rename accel-pptp to accel-ppp

152 files changed, 28294 insertions, 0 deletions

diff --git a/accel-pppd/CMakeLists.txt b/accel-pppd/CMakeLists.txt
new file mode 100644
index 0000000..f65e2e6
--- /dev/null
+++ b/accel-pppd/CMakeLists.txt
@@ -0,0 +1,102 @@
+INCLUDE(CheckLibraryExists)
+INCLUDE(CheckIncludeFiles)
+
+CHECK_LIBRARY_EXISTS(crypto MD5_Init "" HAVE_SSL)
+IF (NOT HAVE_SSL)
+	MESSAGE(FATAL_ERROR "openssl library not found")
+ENDIF (NOT HAVE_SSL)
+
+SET(CMAKE_REQUIRED_INCLUDES "openssl")
+CHECK_INCLUDE_FILES("md5.h" HAVE_SSL)
+IF (NOT HAVE_SSL)
+	MESSAGE(FATAL_ERROR "openssl headers not found")
+ENDIF (NOT HAVE_SSL)
+
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -fvisibility=hidden -fno-strict-aliasing -D_GNU_SOURCE -DPTHREAD_SPINLOCK -DMEMDEBUG -fPIC")
+
+IF (EXISTS ${CMAKE_HOME_DIRECTORY}/.git)
+	EXECUTE_PROCESS(
+		COMMAND git log
+		COMMAND head -n1
+		COMMAND awk "{print $2}"
+		WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}
+		OUTPUT_VARIABLE ACCEL_PPP_VERSION
+	)
+	STRING(STRIP ${ACCEL_PPP_VERSION} ACCEL_PPP_VERSION)
+ELSE (EXISTS ${CMAKE_HOME_DIRECTORY}/.git)
+	SET (ACCEL_PPP_VERSION 1.3.2)
+ENDIF (EXISTS ${CMAKE_HOME_DIRECTORY}/.git)
+
+ADD_DEFINITIONS(-DACCEL_PPP_VERSION="${ACCEL_PPP_VERSION}")
+
+INCLUDE_DIRECTORIES(include)
+
+IF (NOT DEFINED RADIUS)
+	SET(RADIUS TRUE)
+ENDIF (NOT DEFINED RADIUS)
+
+IF (RADIUS)
+	ADD_DEFINITIONS(-DRADIUS)
+	ADD_SUBDIRECTORY(radius)
+ENDIF (RADIUS)
+
+IF (VALGRIND)
+	ADD_DEFINITIONS(-DVALGRIND)
+ENDIF (VALGRIND)
+
+ADD_SUBDIRECTORY(triton)
+ADD_SUBDIRECTORY(ctrl)
+ADD_SUBDIRECTORY(auth)
+ADD_SUBDIRECTORY(logs)
+ADD_SUBDIRECTORY(extra)
+
+ADD_EXECUTABLE(accel-pppd
+	ppp/ppp.c
+	ppp/ppp_fsm.c
+	ppp/ppp_lcp.c
+	ppp/lcp_opt_mru.c
+	ppp/lcp_opt_magic.c
+	ppp/lcp_opt_pcomp.c
+	ppp/lcp_opt_accomp.c
+	ppp/ppp_auth.c
+	ppp/ppp_ipcp.c
+	ppp/ipcp_opt_ipaddr.c
+	ppp/ipcp_opt_dns.c
+	ppp/ppp_ccp.c	
+	ppp/ccp_mppe.c
+
+	cli/std_cmd.c
+	cli/show_sessions.c
+	cli/telnet.c
+	cli/tcp.c
+	cli/cli.c
+
+	pwdb.c
+	ipdb.c
+
+	iprange.c
+
+	utils.c
+
+	log.c
+	main.c
+	memdebug.c
+)
+
+TARGET_LINK_LIBRARIES(accel-pppd triton rt pthread crypto pcre)
+set_property(TARGET accel-pppd PROPERTY CMAKE_SKIP_BUILD_RPATH FALSE)
+set_property(TARGET accel-pppd PROPERTY CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
+set_property(TARGET accel-pppd PROPERTY INSTALL_RPATH_USE_LINK_PATH FALSE)
+set_property(TARGET accel-pppd PROPERTY INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib/accel-ppp)
+
+INSTALL(TARGETS accel-pppd
+	RUNTIME DESTINATION sbin
+)
+
+INSTALL(FILES accel-ppp.conf DESTINATION /etc RENAME accel-ppp.conf.dist)
+INSTALL(FILES accel-ppp.conf.5 DESTINATION share/man/man5)
+
+INSTALL(CODE "EXECUTE_PROCESS(COMMAND mkdir -p /var/log/accel-ppp)")
+INSTALL(CODE "EXECUTE_PROCESS(COMMAND mkdir -p /var/run/accel-ppp)")
+INSTALL(CODE "EXECUTE_PROCESS(COMMAND 'echo 0 > /var/run/accel-ppp/seq')")
+
diff --git a/accel-pppd/accel-ppp.conf b/accel-pppd/accel-ppp.conf
new file mode 100644
index 0000000..ab844dd
--- /dev/null
+++ b/accel-pppd/accel-ppp.conf
@@ -0,0 +1,121 @@
+[modules]
+#path=/usr/local/lib/accel-ppp
+log_file
+#log_tcp
+#log_pgsql
+pptp
+#pppoe
+#l2tp
+auth_mschap_v2
+auth_mschap_v1
+auth_chap_md5
+auth_pap
+radius
+ippool
+sigchld
+pppd_compat
+#shaper_tbf
+#chap-secrets
+
+[core]
+log-error=/var/log/accel-ppp/core.log
+thread-count=4
+
+[ppp]
+verbose=1
+min-mtu=1000
+mtu=1400
+mru=1400
+#ccp=0
+#sid-case=upper
+#check-ip=0
+
+[lcp]
+echo-interval=30
+echo-failure=3
+
+[pptp]
+echo-interval=30
+verbose=1
+
+[pppoe]
+interface=eth0
+#ac-name=xxx
+#service-name=yyy
+#pado-delay=0
+#pado-delay=0,100:100,200:200,-1:500
+#ifname-in-sid=called-sid
+verbose=1
+
+[l2tp]
+#dictionary=/usr/local/share/accel-ppp/l2tp/dictionary
+#hello-interval=60
+#timeout=60
+#rtimeout=5
+#retransmit=5
+#host-name=accel-ppp
+verbose=1
+
+[dns]
+#dns1=172.16.0.1
+#dns2=172.16.1.1
+
+[radius]
+#dictionary=/usr/local/share/accel-ppp/radius/dictionary
+nas-identifier=accel-ppp
+nas-ip-address=127.0.0.1
+gw-ip-address=192.168.100.1
+auth-server=127.0.0.1:1812,testing123
+acct-server=127.0.0.1:1813,testing123
+dae-server=127.0.0.1:3799,testing123
+#dm_coa_secret=testing123 (deprecated)
+verbose=1
+#timeout=3
+#max-try=3
+#acct-timeout=120
+
+[client-ip-range]
+10.0.0.0/8
+
+[ip-pool]
+gw-ip-address=192.168.0.1
+192.168.0.2-255
+192.168.1.1-255
+192.168.2.1-255
+192.168.3.1-255
+
+[log]
+log-file=/var/log/accel-ppp/accel-ppp.log
+log-emerg=/var/log/accel-ppp/emerg.log
+#log-debug=/dev/stdout
+#log-tcp=127.0.0.1:3000
+copy=1
+#color=1
+#per-user-dir=per_user
+#per-session-dir=per_session
+#per-session=1
+level=3
+#log-tcp=127.0.0.1:3000
+
+[log-pgsql]
+conninfo=user=log
+log-table=log
+
+[pppd-compat]
+#ip-pre-up=/etc/ppp/ip-pre-up
+ip-up=/etc/ppp/ip-up
+ip-down=/etc/ppp/ip-down
+ip-change=/etc/ppp/ip-change
+radattr-prefix=/var/run/radattr
+verbose=1
+
+[tbf]
+#attr=Filter-Id
+#down-burst-factor=0.1
+#up-burst-factor=1.0
+#latency=50
+
+[cli]
+telnet=127.0.0.1:2000
+tcp=127.0.0.1:2001
+#passwd=123
diff --git a/accel-pppd/accel-ppp.conf.5 b/accel-pppd/accel-ppp.conf.5
new file mode 100644
index 0000000..d9aaadb
--- /dev/null
+++ b/accel-pppd/accel-ppp.conf.5
@@ -0,0 +1,384 @@
+.TH ACCEL-PPP.CONF 5 "6 October 2010"
+.SH NAME
+.B accel-ppp.conf
+- ACCEL-PPP VPN daemon configuration
+.SH DESCRIPTION
+.BR accel-pppd (8)
+reads options from this file, usually
+.IR /etc/accel-ppp.conf
+.TP
+Configuration file consists of sections in form:
+.TP
+[section1]
+.br
+name1=val1
+.br
+name2=val2
+.br
+name3
+.TP
+[section2]
+.br
+ ....
+.br
+.SH SECTIONS
+.TP
+.SH [modules]
+containes list of modules to load
+.TP
+.BI log_file
+This is logging target which logs messages to files. It support per-session/per-user features.
+.TP
+.BI log_tcp
+This is logging target which logs messages over TCP/IP.
+.TP
+.BI log_pgsql
+This is logging target which logs messages to PostgreSQL.
+.TP
+.BI pptp
+.br
+PPTP controlling connection handling module.
+.TP
+.BI pppoe
+.br
+PPPoE discovery stage handling module.
+.TP
+.BI auth_pap
+PAP authentication module.
+.TP
+.BI auth_chap
+CHAP (md5) authentication module.
+.TP
+.BI auth_mschap_v1
+Microsoft CHAP (version 1) authentication module.
+.TP
+.BI auth_mschap_v2
+Microsoft CHAP (version 2) authentication module.
+.TP
+.BI radius
+.br
+RADIUS interaction module.
+.TP
+.BI ippool
+.br
+IP address assigning module.
+.TP
+.BI sigchld
+Helper module to manage child processes, required by pppd_compat
+.TP
+.BI pppd_compat
+This module starts pppd compatible ip-up/ip-down scripts and ip-change to handle RADIUS CoA request.
+.TP
+.SH [core]
+Configuration of core module
+.TP
+.BI "log-error=" path
+Path to file for core module error logging.
+.TP
+.BI "thread-count=" n
+number of working threads, optimal - number of processors/cores
+.TP
+.SH [ppp]
+.br
+PPP module configuration.
+.TP
+.BI "verbose=" n
+If n is not zero ppp module will produce verbose logging.
+.TP
+.BI "min-mtu=" n
+Minimum acceptable MTU. If client will try to negotiate less then specified MTU then it will be NAKed or disconnected if rejects greater MTU.
+.TP
+.BI "mtu=" n
+MTU which will be negotiated if client's MRU will be not acceptable.
+.TP
+.BI "mru=" n
+Prefered MRU.
+.TP
+.BI "ccp=" n
+Disable CCP negotiation if this parameter is zero.
+.TP
+.TP
+.BI "sid-case=" upper|lower
+Specifies in which case generate session identifier (default lower).
+.TP
+.BI "check-ip=" 0|1
+Specifies whether accel-ppp should check if IP already assigned to other ppp interface (default 0).
+.TP
+.SH [lcp]
+.br
+PPP LCP module configuration
+.TP
+.BI "echo-interval=" n
+If this option is given and greater then 0 then lcp module will send echo-request every 
+.B n
+seconds.
+.TP
+.BI "echo-failure=" n
+Specifies maximum number of echo-requests may be sent without valid echo-reply, if exceeds connection will be terminated.
+.TP
+.SH [dns]
+.TP
+.BI "dns1=" x.x.x.x
+Specifies primary DNS to be sent to peer.
+.TP
+.BI "dns2=" x.x.x.x
+Specifies secondary DNS to be sent to peer.
+.TP
+.SH [client-ip-range]
+You have to explicitly specify range of ip address from which clients can connect to server in form:
+.br
+.B x.x.x.x/mask
+(for example 10.0.0.0/8)
+.br
+.B x.x.x.x-y
+(for example 10.0.0.1-254)
+.TP
+.SH [pptp]
+.br
+Configuration of PPTP module.
+.TP
+.BI "bind=" x.x.x.x
+If this option is given then pptp server will bind to specified IP address.
+.TP
+.BI "verbose=" n
+If this option is given and 
+.B n
+is greater of zero then pptp module will produce verbose logging.
+.TP
+.BI "echo-interval=" n
+If this option is given and greater then zero then pptp module will send echo-request every 
+.B n
+seconds.
+.TP
+.BI "echo-failure=" n
+Specifies maximum number of echo-requests may be sent without valid echo-reply, if exceeds connection will be terminated.
+.TP
+.BI "timeout=" n
+Timeout waiting reply from client in seconds (default 5).
+.TP
+.SH [pppoe]
+.br
+Configuration of PPPoE module.
+.TP
+.BI "interface=" ethX
+Specifies interface name to listen/send discovery packets. You may specify multiple
+.B interface
+options.
+.TP
+.BI "ac-name=" ac-name
+Specifies AC-Name tag value. If absent tag will not be sent.
+.TP
+.BI "service-name=" service-name
+Specifies Service-Name to respond. If absent any Service-Name is acceptable and client's Service-Name will be sent back.
+.TP
+.BI "pado-delay=" delay[,delay1:count1[,delay2:count2[,...]]]
+Specifies delays (also in condition of connection count) to send PADO (ms).
+Last delay in list may be -1 which means don't accept new connections.
+List have to be sorted by count key.
+.TP
+.BI "mac-filter=" filename,type
+Specifies mac-filter filename and type, type maybe 
+.B allow
+or
+.B deny
+.TP
+.BI "ifname-in-sid=" called-sid|calling-sid|both
+Specifies that interface name should be present in Called-Station-ID or in Calling-Station-ID or in both attributes.
+.TP
+.BI "verbose=" n
+If this option is given and 
+.B n
+is greater of zero then pppoe module will produce verbose logging.
+.TP
+.SH [l2tp]
+.br
+Configuration of L2TP module.
+.TP
+.BI "bind=" x.x.x.x
+Specifies IP address to bind.
+.TP
+.BI "host-name=" string
+This name will be sent to clients in Host-Name attribute.
+.TP
+.BI "hello-interval=" n
+Specifies interval (in seconds) to send Hello control message. Its used for keep alive connection. If peer will not respond to Hello connection will be terminated.
+.TP
+.BI "timeout=" n
+Specifies timeout (in seconds) to wait peer completes tunnel and session negotiation.
+.TP
+.BI "rtimeout=" n
+Specifies timeout (in seconds) to wait message acknowledge, if elapsed message retransmition will be performed.
+.TP
+.BI "retransmit=" n
+Specifies maximum number of message retransmission, if exceeds connection will be terminated.
+.TP
+.BI "verbose=" n
+If this option is given and 
+.B n
+is greater of zero then l2tp module will produce verbose logging.
+.TP
+.SH [radius]
+.br
+Configuration of RADIUS module.
+.TP
+.BI "nas-identifier=" identifier
+Specifies value to send to RADIUS server in NAS-Identifier attribute and to be matched in DM/CoA requests.
+.TP
+.BI "nas-ip-address=" x.x.x.x
+Specifies value to send to RADIUS server in NAS-IP-Address attribute and to be matched in DM/CoA requests.
+Also DM/CoA server will bind to that address.
+.TP
+.BI "gw-ip-address=" x.x.x.x
+Specifies address to use as local address of ppp interfaces if Framed-IP-Address received from RADIUS server.
+.TP
+.BI "auth-server=" x.x.x.x:port,secret
+Specifies IP address, port and secret of authentication RADIUS server.
+.TP
+.BI "acct-server=" x.x.x.x:port,secret
+Specifies IP address, port and secret of accounting RADIUS server.
+.TP
+.BI "dae-server=" x.x.x.x:port,secret
+Specifies IP address, port to bind and secret for Dynamic Authorization Extension server (DM/CoA).
+.TP
+.BI "dm_coa_secret=" secret (deprecated, use dae-server instead)
+Specifies secret to use in DM/CoA communication.
+.TP
+.BI "acct-interim-interval=" n
+Specifies interval in seconds to send accounting information (may be overriden by radius Acct-Interim-Interval attribute)
+.TP
+.BI "verbose=" n
+If this option is given and 
+.B n
+is greater of zero then radius module will produce verbose logging.
+.TP
+.BI "interim-verbose=" n
+If this option is given and 
+.B n
+is greater of zero then radius module will produce verbose logging of interim radius packets.
+.TP
+.BI "timeout=" n
+Timeout to wait response from server (sec) 
+.TP
+.BI "max-try=" n
+Specifies number of tries to send Access-Request/Accounting-Request queries.
+.TP
+.BI "acct-timeout=" n
+Specifies timeout of accounting interim update.
+.TP
+.SH [log]
+.br
+Configuration of log and log_file modules.
+.TP
+.BI "log-file=" file
+Path to file to write general log.
+.TP
+.BI "log-emerg=" file
+Path to file to write emergency messages.
+.TP
+.BI "log-tcp=" x.x.x.x:port
+Send logs to specified host.
+.TP
+.BI "copy=" n
+If this options is given and greater then zero logging engine will duplicate session log in general log.
+(Useful when per-session/per-user logs are not used)
+.TP
+.BI "per-session-dir=" dir
+Directory for session logs. If specified each session will be logged separately to file which name is unique session identifier.
+.TP
+.BI "per-user-dir=" dir
+Directory for user logs. If specified all sessions of same user will be logged to file which name is user name.
+.TP
+.BI "per-session=" n
+If specified and n is greater then zero each session of same user will be logger separately to directory specified by "per-user-dir" 
+and subdirectory which name is user name and to file which name os unique session identifier.
+.TP
+.BI "level=" n
+Specifies log level which values are:
+.br
+.B 0
+turn off all logging
+.br
+.B 1
+log only error messages
+.br
+.B 2
+log error and warning messages
+.br
+.B 3
+log error, warning and minimum information messages (use this level in conjuction with verbose option of other modules if you need verbose logging)
+.br
+.B 4
+log error, warning and full information messages (use this level in conjuction with verbose option of other modules if you need verbose logging)
+.br
+.B 5
+log all messages including debug messages
+.TP
+.SH [log-pgsql]
+.br
+Configuration of log_pgsql module.
+.TP
+.BI "conninfo=" conninfo
+Conninfo to connect to PostgreSQL server.
+.TP
+.BI "log-table=" table
+Table to send log messages. Table must contain following field:
+.br
+.B timestamp
+timestamp
+.br
+.B username
+text
+.br
+.B sessionid
+text
+.br
+.B msg
+text
+.TP
+.SH [pppd_compat]
+.br
+Configuration of pppd_compat module.
+.TP
+.BI "ip-pre-up=" file
+Path to ip-pre-up script which is executed before ppp interface comes up, useful to setup firewall rules before any traffic can pass through the interface.
+.TP
+.BI "ip-up=" file
+Path to ip-up script which is executed when ppp interfaces is completly configured and started.
+.TP
+.BI "ip-down=" file
+Path to ip-down script which is executed when session is about to terminate.
+.TP
+.BI "ip-change=" file
+Path to ip-change script which is executed for RADIUS CoA handling.
+.TP
+.BI "radattr=" prefix
+Prefix of radattr files (for example /var/run/radattr, resulting files will be /var/run/radattr.pppX)
+.TP
+.BI "verbose=" n
+If specified and greated then zero pppd_module will produce verbose logging.
+.TP
+.SH [ip-pool]
+.br
+Configuration of ippool module.
+.TP
+.BI "gw-ip-address=" x.x.x.x
+Specifies single IP address to be used as local address of ppp interfaces.
+.TP
+.BI "gw=" range
+Specifies range of local address of ppp interfaces if form:
+.br
+.B x.x.x.x/mask
+(for example 10.0.0.0/8)
+.br
+.B x.x.x.x-y
+(for example 10.0.0.1-254)
+.TP
+.BI "tunnel=" range
+Specifies range of remote address of ppp interfaces if form:
+.br
+.B x.x.x.x/mask
+.br
+.B x.x.x.x-y
+.TP
+.BI "x.x.x.x/mask or x.x.x.x-y"
+Also specifies range of remote address of ppp interfaces.
diff --git a/accel-pppd/auth/CMakeLists.txt b/accel-pppd/auth/CMakeLists.txt
new file mode 100644
index 0000000..ef9478a
--- /dev/null
+++ b/accel-pppd/auth/CMakeLists.txt
@@ -0,0 +1,13 @@
+ADD_LIBRARY(auth_pap SHARED auth_pap.c)
+ADD_LIBRARY(auth_chap_md5 SHARED auth_chap_md5.c)
+ADD_LIBRARY(auth_mschap_v1 SHARED auth_mschap_v1.c)
+ADD_LIBRARY(auth_mschap_v2 SHARED auth_mschap_v2.c)
+
+TARGET_LINK_LIBRARIES(auth_chap_md5 crypto)
+TARGET_LINK_LIBRARIES(auth_mschap_v1 crypto)
+TARGET_LINK_LIBRARIES(auth_mschap_v2 crypto)
+
+INSTALL(TARGETS auth_pap auth_chap_md5 auth_mschap_v1 auth_mschap_v2
+	LIBRARY DESTINATION lib/accel-ppp
+)
+
diff --git a/accel-pppd/auth/auth_chap_md5.c b/accel-pppd/auth/auth_chap_md5.c
new file mode 100644
index 0000000..d19634a
--- /dev/null
+++ b/accel-pppd/auth/auth_chap_md5.c
@@ -0,0 +1,427 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <arpa/inet.h>
+
+#include <openssl/md5.h>
+
+#include "log.h"
+#include "ppp.h"
+#include "ppp_auth.h"
+#include "ppp_lcp.h"
+#include "pwdb.h"
+
+#include "memdebug.h"
+
+#define CHAP_CHALLENGE 1
+#define CHAP_RESPONSE  2
+#define CHAP_SUCCESS   3
+#define CHAP_FAILURE   4
+
+#define CHAP_MD5 5
+
+#define VALUE_SIZE 16
+
+#define MSG_FAILURE   "Authentication failed"
+#define MSG_SUCCESS   "Authentication successed"
+
+#define HDR_LEN (sizeof(struct chap_hdr_t)-2)
+
+static int conf_timeout = 5;
+static int conf_interval = 0;
+static int conf_max_failure = 3;
+static int conf_any_login = 0;
+
+static int urandom_fd;
+
+struct chap_hdr_t
+{
+	uint16_t proto;
+	uint8_t code;
+	uint8_t id;
+	uint16_t len;
+} __attribute__((packed));
+
+struct chap_challenge_t
+{
+	struct chap_hdr_t hdr;
+	uint8_t val_size;
+	uint8_t val[VALUE_SIZE];
+	char name[0];
+} __attribute__((packed));
+
+struct chap_failure_t
+{
+	struct chap_hdr_t hdr;
+	char message[sizeof(MSG_FAILURE)];
+} __attribute__((packed));
+
+struct chap_success_t
+{
+	struct chap_hdr_t hdr;
+	char message[sizeof(MSG_SUCCESS)];
+} __attribute__((packed));
+
+
+struct chap_auth_data_t
+{
+	struct auth_data_t auth;
+	struct ppp_handler_t h;
+	struct ppp_t *ppp;
+	int id;
+	uint8_t val[VALUE_SIZE];
+	struct triton_timer_t timeout;
+	struct triton_timer_t interval;
+	int failure;
+	int started:1;
+};
+
+static void chap_send_challenge(struct chap_auth_data_t *ad);
+static void chap_recv(struct ppp_handler_t *h);
+static void chap_timeout_timer(struct triton_timer_t *t);
+static void chap_restart_timer(struct triton_timer_t *t);
+
+static void print_buf(const uint8_t *buf, int size)
+{
+	int i;
+	for (i=0; i < size; i++)
+		log_ppp_info2("%x", buf[i]);
+}
+static void print_str(const char *buf, int size)
+{
+	int i;
+	for (i = 0; i < size; i++)
+		log_ppp_info2("%c", buf[i]);
+}
+
+static struct auth_data_t* auth_data_init(struct ppp_t *ppp)
+{
+	struct chap_auth_data_t *d = _malloc(sizeof(*d));
+
+	memset(d, 0, sizeof(*d));
+	d->auth.proto = PPP_CHAP;
+	d->ppp = ppp;
+
+	return &d->auth;
+}
+
+static void auth_data_free(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	if (d->timeout.tpd)
+		triton_timer_del(&d->timeout);
+
+	if (d->interval.tpd)
+		triton_timer_del(&d->interval);
+
+	_free(d);
+}
+
+static int chap_start(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	d->h.proto = PPP_CHAP;
+	d->h.recv = chap_recv;
+	d->timeout.expire = chap_timeout_timer;
+	d->timeout.period = conf_timeout * 1000;
+	d->interval.expire = chap_restart_timer;
+	d->interval.period = conf_interval * 1000;
+
+	ppp_register_chan_handler(ppp, &d->h);
+
+	chap_send_challenge(d);
+
+	return 0;
+}
+
+static int chap_finish(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	if (d->timeout.tpd)
+		triton_timer_del(&d->timeout);
+
+	if (d->interval.tpd)
+		triton_timer_del(&d->interval);
+
+	ppp_unregister_handler(ppp, &d->h);
+
+	return 0;
+}
+
+static void chap_timeout_timer(struct triton_timer_t *t)
+{
+	struct chap_auth_data_t *d = container_of(t, typeof(*d), timeout);
+
+	if (conf_ppp_verbose)
+		log_ppp_warn("chap-md5: timeout\n");
+
+	if (++d->failure == conf_max_failure) {
+		if (d->started)
+			ppp_terminate(d->ppp, TERM_USER_ERROR, 0);
+		else
+			ppp_auth_failed(d->ppp, NULL);
+	} else {
+		--d->id;
+		chap_send_challenge(d);
+	}
+}
+
+static void chap_restart_timer(struct triton_timer_t *t)
+{
+	struct chap_auth_data_t *d = container_of(t, typeof(*d), interval);
+	
+	chap_send_challenge(d);
+}
+
+static int lcp_send_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
+{
+	*ptr = CHAP_MD5;
+	return 1;
+}
+
+static int lcp_recv_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
+{
+	if (*ptr == CHAP_MD5)
+		return LCP_OPT_ACK;
+	return LCP_OPT_NAK;
+}
+
+static void chap_send_failure(struct chap_auth_data_t *ad)
+{
+	struct chap_failure_t msg = {
+		.hdr.proto = htons(PPP_CHAP),
+		.hdr.code = CHAP_FAILURE,
+		.hdr.id = ad->id,
+		.hdr.len = htons(sizeof(msg) - 1 - 2),
+		.message = MSG_FAILURE,
+	};
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [CHAP Failure id=%x \"%s\"]\n", msg.hdr.id, MSG_FAILURE);
+
+	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
+}
+
+static void chap_send_success(struct chap_auth_data_t *ad)
+{
+	struct chap_success_t msg =	{
+		.hdr.proto = htons(PPP_CHAP),
+		.hdr.code = CHAP_SUCCESS,
+		.hdr.id = ad->id,
+		.hdr.len = htons(sizeof(msg)-1-2),
+		.message = MSG_SUCCESS,
+	};
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [CHAP Success id=%x \"%s\"]\n", msg.hdr.id, MSG_SUCCESS);
+
+	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
+}
+
+static void chap_send_challenge(struct chap_auth_data_t *ad)
+{
+	struct chap_challenge_t msg =	{
+		.hdr.proto = htons(PPP_CHAP),
+		.hdr.code = CHAP_CHALLENGE,
+		.hdr.id = ++ad->id,
+		.hdr.len = htons(sizeof(msg) - 2),
+		.val_size = VALUE_SIZE,
+	};
+
+	read(urandom_fd, ad->val, VALUE_SIZE);
+	memcpy(msg.val, ad->val, VALUE_SIZE);
+
+	if (conf_ppp_verbose) {
+		log_ppp_info2("send [CHAP Challenge id=%x <", msg.hdr.id);
+		print_buf(msg.val, VALUE_SIZE);
+		log_ppp_info2(">]\n");
+	}
+
+	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
+
+	if (conf_timeout && !ad->timeout.tpd)
+		triton_timer_add(ad->ppp->ctrl->ctx, &ad->timeout, 0);
+}
+
+static void chap_recv_response(struct chap_auth_data_t *ad, struct chap_hdr_t *hdr)
+{
+	MD5_CTX md5_ctx;
+	uint8_t md5[MD5_DIGEST_LENGTH];
+	char *passwd;
+	char *name;
+	int r;
+	struct chap_challenge_t *msg = (struct chap_challenge_t*)hdr;
+
+	if (ad->timeout.tpd)
+		triton_timer_del(&ad->timeout);
+
+	if (conf_ppp_verbose) {
+		log_ppp_info2("recv [CHAP Response id=%x <", msg->hdr.id);
+		print_buf(msg->val, msg->val_size);
+		log_ppp_info2(">, name=\"");
+		print_str(msg->name, ntohs(msg->hdr.len) - sizeof(*msg) + 2);
+		log_ppp_info2("\"]\n");
+	}
+
+	if (msg->hdr.id != ad->id) {
+		if (conf_ppp_verbose)
+			log_ppp_error("chap-md5: id mismatch\n");
+		chap_send_failure(ad);
+		ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
+	}
+
+	if (msg->val_size != VALUE_SIZE) {
+		log_ppp_error("chap-md5: incorrect value-size (%i)\n", msg->val_size);
+		chap_send_failure(ad);
+		ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
+	}
+
+	name = _strndup(msg->name,ntohs(msg->hdr.len) - sizeof(*msg) + 2);
+
+	if (conf_any_login) {
+		chap_send_success(ad);
+		ad->started = 1;
+		ppp_auth_successed(ad->ppp, name);
+		return;
+	}
+
+	r = pwdb_check(ad->ppp, name, PPP_CHAP, CHAP_MD5, ad->id, ad->val, VALUE_SIZE, msg->val);
+
+	if (r == PWDB_NO_IMPL) {
+		passwd = pwdb_get_passwd(ad->ppp,name);
+		if (!passwd)
+		{
+			_free(name);
+			if (conf_ppp_verbose)
+				log_ppp_warn("chap-md5: user not found\n");
+			chap_send_failure(ad);
+			return;
+		}
+
+		MD5_Init(&md5_ctx);
+		MD5_Update(&md5_ctx,&msg->hdr.id,1);
+		MD5_Update(&md5_ctx,passwd,strlen(passwd));
+		MD5_Update(&md5_ctx,ad->val,VALUE_SIZE);
+		MD5_Final(md5,&md5_ctx);
+		
+		if (memcmp(md5,msg->val,sizeof(md5)))
+		{
+			if (conf_ppp_verbose)
+				log_ppp_warn("chap-md5: challenge response mismatch\n");
+			chap_send_failure(ad);
+			if (ad->started)
+				ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
+			else
+				ppp_auth_failed(ad->ppp, name);
+			_free(name);
+		} else {
+			chap_send_success(ad);
+			if (!ad->started) {
+				ad->started = 1;
+				if (conf_interval)
+					triton_timer_add(ad->ppp->ctrl->ctx, &ad->interval, 0);
+				ppp_auth_successed(ad->ppp, name);
+			} else
+				_free(name);
+		}
+		_free(passwd);
+	} else if (r == PWDB_DENIED) {
+		chap_send_failure(ad);
+		if (ad->started)
+			ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
+		else
+			ppp_auth_failed(ad->ppp, name);
+		_free(name);
+	} else {
+		chap_send_success(ad);
+		if (!ad->started) {
+			ad->started = 1;
+			if (conf_interval)
+				triton_timer_add(ad->ppp->ctrl->ctx, &ad->interval, 0);
+			ppp_auth_successed(ad->ppp, name);
+		} else
+			_free(name);
+	}
+}
+
+static int chap_check(uint8_t *ptr)
+{
+	return *ptr == CHAP_MD5;
+}
+
+static int chap_restart(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+	
+	chap_send_challenge(d);
+
+	return 0;
+}
+
+static struct ppp_auth_handler_t chap=
+{
+	.name          = "CHAP-md5",
+	.init          = auth_data_init,
+	.free          = auth_data_free,
+	.send_conf_req = lcp_send_conf_req,
+	.recv_conf_req = lcp_recv_conf_req,
+	.start         = chap_start,
+	.finish        = chap_finish,
+	.check         = chap_check,
+	.restart       = chap_restart,
+};
+
+static void chap_recv(struct ppp_handler_t *h)
+{
+	struct chap_auth_data_t *d = container_of(h, typeof(*d), h);
+	struct chap_hdr_t *hdr = (struct chap_hdr_t *)d->ppp->chan_buf;
+
+	if (d->ppp->chan_buf_size < sizeof(*hdr) || ntohs(hdr->len) < HDR_LEN || ntohs(hdr->len) < d->ppp->chan_buf_size - 2)	{
+		log_ppp_warn("chap-md5: short packet received\n");
+		return;
+	}
+
+	if (hdr->code == CHAP_RESPONSE)
+		chap_recv_response(d, hdr);
+	else
+		log_ppp_warn("chap-md5: unknown code received %x\n", hdr->code);
+}
+
+static void __init auth_chap_md5_init()
+{
+	char *opt;
+
+	opt = conf_get_opt("auth", "timeout");
+	if (opt && atoi(opt) > 0)
+		conf_timeout = atoi(opt);
+
+	opt = conf_get_opt("auth", "interval");
+	if (opt && atoi(opt) > 0)
+		conf_interval = atoi(opt);
+
+	opt = conf_get_opt("auth", "max-failure");
+	if (opt && atoi(opt) > 0)
+		conf_max_failure = atoi(opt);
+
+	opt = conf_get_opt("auth", "any-login");
+	if (opt && atoi(opt) > 0)
+		conf_any_login = 1;
+
+	urandom_fd=open("/dev/urandom", O_RDONLY);
+
+	if (urandom_fd < 0) {
+		log_emerg("chap-md5: failed to open /dev/urandom: %s\n", strerror(errno));
+		return;
+	}
+
+	if (ppp_auth_register_handler(&chap))
+		log_emerg("chap-md5: failed to register handler\n");
+}
+
diff --git a/accel-pppd/auth/auth_mschap_v1.c b/accel-pppd/auth/auth_mschap_v1.c
new file mode 100644
index 0000000..5b38db5
--- /dev/null
+++ b/accel-pppd/auth/auth_mschap_v1.c
@@ -0,0 +1,517 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <byteswap.h>
+#include <arpa/inet.h>
+
+#include <openssl/md4.h>
+#include <openssl/des.h>
+#include <openssl/sha.h>
+
+#include "log.h"
+#include "ppp.h"
+#include "events.h"
+#include "ppp_auth.h"
+#include "ppp_lcp.h"
+#include "pwdb.h"
+
+#include "memdebug.h"
+
+#define MSCHAP_V1 0x80
+
+#define CHAP_CHALLENGE 1
+#define CHAP_RESPONSE  2
+#define CHAP_SUCCESS   3
+#define CHAP_FAILURE   4
+
+#define VALUE_SIZE 8
+#define RESPONSE_VALUE_SIZE (24+24+1)
+
+#define MSG_FAILURE   "E=691 R=0"
+#define MSG_SUCCESS   "Authentication successed"
+
+#define HDR_LEN (sizeof(struct chap_hdr_t)-2)
+
+static int conf_timeout = 5;
+static int conf_interval = 0;
+static int conf_max_failure = 3;
+static int conf_any_login = 0;
+
+static int urandom_fd;
+
+struct chap_hdr_t
+{
+	uint16_t proto;
+	uint8_t code;
+	uint8_t id;
+	uint16_t len;
+} __attribute__((packed));
+
+struct chap_challenge_t
+{
+	struct chap_hdr_t hdr;
+	uint8_t val_size;
+	uint8_t val[VALUE_SIZE];
+	char name[0];
+} __attribute__((packed));
+
+struct chap_response_t
+{
+	struct chap_hdr_t hdr;
+	uint8_t val_size;
+	uint8_t lm_hash[24];
+	uint8_t nt_hash[24];
+	uint8_t flags;
+	char name[0];
+} __attribute__((packed));
+
+struct chap_failure_t
+{
+	struct chap_hdr_t hdr;
+	char message[sizeof(MSG_FAILURE)];
+} __attribute__((packed));
+
+struct chap_success_t
+{
+	struct chap_hdr_t hdr;
+	char message[sizeof(MSG_SUCCESS)];
+} __attribute__((packed));
+
+
+struct chap_auth_data_t
+{
+	struct auth_data_t auth;
+	struct ppp_handler_t h;
+	struct ppp_t *ppp;
+	int id;
+	uint8_t val[VALUE_SIZE];
+	struct triton_timer_t timeout;
+	struct triton_timer_t interval;
+	int failure;
+	int started:1;
+};
+
+static void chap_send_challenge(struct chap_auth_data_t *ad);
+static void chap_recv(struct ppp_handler_t *h);
+static int chap_check_response(struct chap_auth_data_t *ad, struct chap_response_t *res, const char *name);
+static void chap_timeout_timer(struct triton_timer_t *t);
+static void chap_restart_timer(struct triton_timer_t *t);
+static void set_mppe_keys(struct chap_auth_data_t *ad, uint8_t *z_hash);
+
+static void print_buf(const uint8_t *buf,int size)
+{
+	int i;
+	for (i = 0; i < size; i++)
+		log_ppp_info2("%x", buf[i]);
+}
+static void print_str(const char *buf, int size)
+{
+	int i;
+	for(i = 0; i < size; i++)
+		log_ppp_info2("%c", buf[i]);
+}
+
+static struct auth_data_t* auth_data_init(struct ppp_t *ppp)
+{
+	struct chap_auth_data_t *d = _malloc(sizeof(*d));
+
+	memset(d, 0, sizeof(*d));
+	d->auth.proto = PPP_CHAP;
+	d->ppp = ppp;
+
+	return &d->auth;
+}
+
+static void auth_data_free(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	if (d->timeout.tpd)
+		triton_timer_del(&d->timeout);
+
+	if (d->interval.tpd)
+		triton_timer_del(&d->interval);
+
+	_free(d);
+}
+
+static int chap_start(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	d->h.proto = PPP_CHAP;
+	d->h.recv = chap_recv;
+	d->timeout.expire = chap_timeout_timer;
+	d->timeout.period = conf_timeout * 1000;
+	d->interval.expire = chap_restart_timer;
+	d->interval.period = conf_interval * 1000;
+
+	ppp_register_chan_handler(ppp, &d->h);
+
+	chap_send_challenge(d);
+
+	return 0;
+}
+
+static int chap_finish(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	if (d->timeout.tpd)
+		triton_timer_del(&d->timeout);
+
+	if (d->interval.tpd)
+		triton_timer_del(&d->interval);
+
+	ppp_unregister_handler(ppp, &d->h);
+
+	return 0;
+}
+
+static void chap_timeout_timer(struct triton_timer_t *t)
+{
+	struct chap_auth_data_t *d = container_of(t, typeof(*d), timeout);
+
+	if (conf_ppp_verbose)
+		log_ppp_warn("mschap-v1: timeout\n");
+
+	if (++d->failure == conf_max_failure) {
+		if (d->started)
+			ppp_terminate(d->ppp, TERM_USER_ERROR, 0);
+		else
+			ppp_auth_failed(d->ppp, NULL);
+	} else {
+		--d->id;
+		chap_send_challenge(d);
+	}
+}
+
+static void chap_restart_timer(struct triton_timer_t *t)
+{
+	struct chap_auth_data_t *d = container_of(t, typeof(*d), interval);
+	
+	chap_send_challenge(d);
+}
+
+static int lcp_send_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
+{
+	*ptr = MSCHAP_V1;
+	return 1;
+}
+
+static int lcp_recv_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
+{
+	if (*ptr == MSCHAP_V1)
+		return LCP_OPT_ACK;
+	return LCP_OPT_NAK;
+}
+
+static void chap_send_failure(struct chap_auth_data_t *ad)
+{
+	struct chap_failure_t msg = {
+		.hdr.proto = htons(PPP_CHAP),
+		.hdr.code = CHAP_FAILURE,
+		.hdr.id = ad->id,
+		.hdr.len = htons(sizeof(msg)-1-2),
+		.message = MSG_FAILURE,
+	};
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [MSCHAP-v1 Failure id=%x \"%s\"]\n", msg.hdr.id, MSG_FAILURE);
+
+	ppp_chan_send(ad->ppp,&msg,ntohs(msg.hdr.len)+2);
+}
+
+static void chap_send_success(struct chap_auth_data_t *ad)
+{
+	struct chap_success_t msg = {
+		.hdr.proto = htons(PPP_CHAP),
+		.hdr.code = CHAP_SUCCESS,
+		.hdr.id = ad->id,
+		.hdr.len = htons(sizeof(msg)-1-2),
+		.message = MSG_SUCCESS,
+	};
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [MSCHAP-v1 Success id=%x \"%s\"]\n", msg.hdr.id, MSG_SUCCESS);
+
+	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
+}
+
+static void chap_send_challenge(struct chap_auth_data_t *ad)
+{
+	struct chap_challenge_t msg = {
+		.hdr.proto = htons(PPP_CHAP),
+		.hdr.code = CHAP_CHALLENGE,
+		.hdr.id = ++ad->id,
+		.hdr.len = htons(sizeof(msg) - 2),
+		.val_size = VALUE_SIZE,
+	};
+
+	read(urandom_fd, ad->val, VALUE_SIZE);
+	memcpy(msg.val, ad->val, VALUE_SIZE);
+
+	if (conf_ppp_verbose) {
+		log_ppp_info2("send [MSCHAP-v1 Challenge id=%x <", msg.hdr.id);
+		print_buf(msg.val, VALUE_SIZE);
+		log_ppp_info2(">]\n");
+	}
+
+	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
+
+	if (conf_timeout && !ad->timeout.tpd)
+		triton_timer_add(ad->ppp->ctrl->ctx, &ad->timeout, 0);
+}
+
+static void chap_recv_response(struct chap_auth_data_t *ad, struct chap_hdr_t *hdr)
+{
+	struct chap_response_t *msg = (struct chap_response_t*)hdr;
+	char *name;
+	int r;
+
+	if (ad->timeout.tpd)
+		triton_timer_del(&ad->timeout);
+
+	if (conf_ppp_verbose) {
+		log_ppp_info2("recv [MSCHAP-v1 Response id=%x <", msg->hdr.id);
+		print_buf(msg->lm_hash, 24);
+		log_ppp_info2(">, <");
+		print_buf(msg->nt_hash, 24);
+		log_ppp_info2(">, F=%i, name=\"", msg->flags);
+		print_str(msg->name, ntohs(msg->hdr.len) - sizeof(*msg) + 2);
+		log_ppp_info2("\"]\n");
+	}
+
+	if (msg->hdr.id != ad->id) {
+		if (conf_ppp_verbose)
+			log_ppp_error("mschap-v1: id mismatch\n");
+		chap_send_failure(ad);
+		if (ad->started)
+			ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
+		else
+			ppp_auth_failed(ad->ppp, NULL);
+	}
+
+	if (msg->val_size != RESPONSE_VALUE_SIZE)	{
+		log_ppp_error("mschap-v1: incorrect value-size (%i)\n", msg->val_size);
+		chap_send_failure(ad);
+		if (ad->started)
+			ppp_terminate(ad->ppp, TERM_AUTH_ERROR, 0);
+		else
+			ppp_auth_failed(ad->ppp, NULL);
+	}
+
+	name = _strndup(msg->name, ntohs(msg->hdr.len) - sizeof(*msg) + 2);
+	if (!name) {
+		log_emerg("mschap-v1: out of memory\n");
+		if (ad->started)
+			ppp_terminate(ad->ppp, TERM_NAS_ERROR, 0);
+		else
+			ppp_auth_failed(ad->ppp, NULL);
+		return;
+	}
+
+	if (conf_any_login) {
+		chap_send_success(ad);
+		ad->started = 1;
+		ppp_auth_successed(ad->ppp, name);
+		return;
+	}
+
+	r = pwdb_check(ad->ppp, name, PPP_CHAP, MSCHAP_V1, ad->id, ad->val, VALUE_SIZE, msg->lm_hash, msg->nt_hash, msg->flags);
+	if (r == PWDB_NO_IMPL)
+		if (chap_check_response(ad, msg, name))
+			r = PWDB_DENIED;
+	
+	if (r == PWDB_DENIED) {
+		chap_send_failure(ad);
+		if (ad->started)
+			ppp_terminate(ad->ppp, TERM_AUTH_ERROR, 0);
+		else
+			ppp_auth_failed(ad->ppp, name);
+		_free(name);
+	} else {
+		chap_send_success(ad);
+		if (!ad->started) {
+			ad->started = 1;
+			if (conf_interval)
+				triton_timer_add(ad->ppp->ctrl->ctx, &ad->interval, 0);
+			ppp_auth_successed(ad->ppp, name);
+		} else
+			_free(name);
+	}
+}
+
+static void des_encrypt(const uint8_t *input, const uint8_t *key, uint8_t *output)
+{
+	int i, j, parity;
+	union
+	{
+		uint64_t u64;
+		uint8_t buf[8];
+	} p_key;
+	DES_cblock cb;
+	DES_cblock res;
+	DES_key_schedule ks;
+
+	memcpy(p_key.buf, key, 7);
+	p_key.u64 = bswap_64(p_key.u64);
+
+	for (i = 0; i < 8; i++) {
+		cb[i] = (((p_key.u64 << (7 * i)) >> 56) & 0xfe);
+		for( j = 0, parity = 0; j < 7; j++)
+			if ((cb[i] >> (j + 1)) & 1)
+				parity++;
+		cb[i] |= (~parity) & 1;
+	}
+
+	DES_set_key_checked(&cb, &ks);
+	memcpy(cb, input, 8);
+	DES_ecb_encrypt(&cb, &res, &ks, DES_ENCRYPT);
+	memcpy(output, res, 8);	
+}
+
+static int chap_check_response(struct chap_auth_data_t *ad, struct chap_response_t *msg, const char *name)
+{
+	MD4_CTX md4_ctx;
+	uint8_t z_hash[21];
+	uint8_t nt_hash[24];
+	char *passwd;
+	char *u_passwd;
+	int i;
+	
+	passwd = pwdb_get_passwd(ad->ppp,name);
+	if (!passwd) {
+		if (conf_ppp_verbose)
+			log_ppp_warn("mschap-v1: user not found\n");
+		chap_send_failure(ad);
+		return PWDB_DENIED;
+	}
+
+	u_passwd = _malloc(strlen(passwd) * 2);
+	for (i = 0; i< strlen(passwd); i++) {
+		u_passwd[i * 2] = passwd[i];
+		u_passwd[i * 2 + 1] = 0;
+	}
+
+	memset(z_hash, 0, sizeof(z_hash));
+	MD4_Init(&md4_ctx);
+	MD4_Update(&md4_ctx, u_passwd, strlen(passwd) * 2);
+	MD4_Final(z_hash, &md4_ctx);
+
+	des_encrypt(ad->val, z_hash, nt_hash);
+	des_encrypt(ad->val, z_hash + 7, nt_hash + 8);
+	des_encrypt(ad->val, z_hash + 14, nt_hash + 16);
+
+	set_mppe_keys(ad, z_hash);
+
+	_free(passwd);
+	_free(u_passwd);
+
+	return memcmp(nt_hash, msg->nt_hash, 24) ? PWDB_DENIED : PWDB_SUCCESS;
+}
+
+static int chap_check(uint8_t *ptr)
+{
+	return *ptr == MSCHAP_V1;
+}
+
+static void set_mppe_keys(struct chap_auth_data_t *ad, uint8_t *z_hash)
+{
+	MD4_CTX md4_ctx;
+	SHA_CTX sha_ctx;
+	uint8_t digest[20];
+
+	struct ev_mppe_keys_t ev_mppe = {
+		.ppp = ad->ppp,
+		.type = 1 << 2,
+		.policy = 1,
+		.recv_key = digest,
+		.send_key = digest,
+	};
+
+	//NtPasswordHashHash
+	MD4_Init(&md4_ctx);
+	MD4_Update(&md4_ctx, z_hash, 16);
+	MD4_Final(digest, &md4_ctx);
+
+	//Get_Start_Key
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx, digest, 16);
+	SHA1_Update(&sha_ctx, digest, 16);
+	SHA1_Update(&sha_ctx, ad->val, VALUE_SIZE);
+	SHA1_Final(digest, &sha_ctx);	
+
+	triton_event_fire(EV_MPPE_KEYS, &ev_mppe);
+}
+
+static int chap_restart(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+	
+	chap_send_challenge(d);
+
+	return 0;
+}
+
+static struct ppp_auth_handler_t chap = {
+	.name          = "MSCHAP-v1",
+	.init          = auth_data_init,
+	.free          = auth_data_free,
+	.send_conf_req = lcp_send_conf_req,
+	.recv_conf_req = lcp_recv_conf_req,
+	.start         = chap_start,
+	.finish        = chap_finish,
+	.check         = chap_check,
+	.restart       = chap_restart,
+};
+
+static void chap_recv(struct ppp_handler_t *h)
+{
+	struct chap_auth_data_t *d = container_of(h, typeof(*d), h);
+	struct chap_hdr_t *hdr = (struct chap_hdr_t *)d->ppp->chan_buf;
+
+	if (d->ppp->chan_buf_size < sizeof(*hdr) || ntohs(hdr->len) < HDR_LEN || ntohs(hdr->len) < d->ppp->chan_buf_size - 2) {
+		log_ppp_warn("mschap-v1: short packet received\n");
+		return;
+	}
+
+	if (hdr->code == CHAP_RESPONSE)
+		chap_recv_response(d, hdr);
+	else
+		log_ppp_warn("mschap-v1: unknown code received %x\n", hdr->code);
+}
+
+static void __init auth_mschap_v1_init()
+{
+	char *opt;
+
+	opt = conf_get_opt("auth", "timeout");
+	if (opt && atoi(opt) > 0)
+		conf_timeout = atoi(opt);
+
+	opt = conf_get_opt("auth", "interval");
+	if (opt && atoi(opt) > 0)
+		conf_interval = atoi(opt);
+
+	opt = conf_get_opt("auth", "max-failure");
+	if (opt && atoi(opt) > 0)
+		conf_max_failure = atoi(opt);
+
+	opt = conf_get_opt("auth", "any-login");
+	if (opt && atoi(opt) > 0)
+		conf_any_login = 1;
+
+	urandom_fd = open("/dev/urandom", O_RDONLY);
+	if (urandom_fd < 0) {
+		log_emerg("mschap-v1: failed to open /dev/urandom: %s\n", strerror(errno));
+		return;
+	}
+	if (ppp_auth_register_handler(&chap))
+		log_emerg("mschap-v1: failed to register handler\n");
+}
+
diff --git a/accel-pppd/auth/auth_mschap_v2.c b/accel-pppd/auth/auth_mschap_v2.c
new file mode 100644
index 0000000..e07c4f7
--- /dev/null
+++ b/accel-pppd/auth/auth_mschap_v2.c
@@ -0,0 +1,639 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <byteswap.h>
+#include <arpa/inet.h>
+
+#include <openssl/md4.h>
+#include <openssl/des.h>
+#include <openssl/sha.h>
+
+#include "log.h"
+#include "ppp.h"
+#include "events.h"
+#include "ppp_auth.h"
+#include "ppp_lcp.h"
+#include "pwdb.h"
+
+#include "memdebug.h"
+
+#define MSCHAP_V2 0x81 
+
+#define CHAP_CHALLENGE 1
+#define CHAP_RESPONSE  2
+#define CHAP_SUCCESS   3
+#define CHAP_FAILURE   4
+
+#define VALUE_SIZE 16
+#define RESPONSE_VALUE_SIZE (16+8+24+1)
+
+#define MSG_FAILURE   "E=691 R=0 C=cccccccccccccccccccccccccccccccc V=3 M=Authentication failure"
+#define MSG_SUCCESS   "S=cccccccccccccccccccccccccccccccccccccccc M=Authentication successed"
+
+#define HDR_LEN (sizeof(struct chap_hdr_t)-2)
+
+static int conf_timeout = 5;
+static int conf_interval = 0;
+static int conf_max_failure = 3;
+
+static int urandom_fd;
+
+struct chap_hdr_t
+{
+	uint16_t proto;
+	uint8_t code;
+	uint8_t id;
+	uint16_t len;
+} __attribute__((packed));
+
+struct chap_challenge_t
+{
+	struct chap_hdr_t hdr;
+	uint8_t val_size;
+	uint8_t val[VALUE_SIZE];
+	char name[0];
+} __attribute__((packed));
+
+struct chap_response_t
+{
+	struct chap_hdr_t hdr;
+	uint8_t val_size;
+	uint8_t peer_challenge[16];
+	uint8_t reserved[8];
+	uint8_t nt_hash[24];
+	uint8_t flags;
+	char name[0];
+} __attribute__((packed));
+
+struct chap_failure_t
+{
+	struct chap_hdr_t hdr;
+	char message[sizeof(MSG_FAILURE)];
+} __attribute__((packed));
+
+struct chap_success_t
+{
+	struct chap_hdr_t hdr;
+	char message[sizeof(MSG_SUCCESS)];
+} __attribute__((packed));
+
+
+struct chap_auth_data_t
+{
+	struct auth_data_t auth;
+	struct ppp_handler_t h;
+	struct ppp_t *ppp;
+	int id;
+	uint8_t val[VALUE_SIZE];
+	struct triton_timer_t timeout;
+	struct triton_timer_t interval;
+	int failure;
+	int started:1;
+};
+
+static void chap_send_challenge(struct chap_auth_data_t *ad);
+static void chap_recv(struct ppp_handler_t *h);
+static int chap_check_response(struct chap_auth_data_t *ad, struct chap_response_t *msg, const char *name);
+static void chap_timeout_timer(struct triton_timer_t *t);
+static void chap_restart_timer(struct triton_timer_t *t);
+static void set_mppe_keys(struct chap_auth_data_t *ad, uint8_t *z_hash, uint8_t *nt_hash);
+
+static void print_buf(const uint8_t *buf, int size)
+{
+	int i;
+	for (i = 0; i < size; i++)
+		log_ppp_info2("%x", buf[i]);
+}
+
+static void print_str(const char *buf, int size)
+{
+	int i;
+	for (i = 0; i < size; i++)
+		log_ppp_info2("%c", buf[i]);
+}
+
+static struct auth_data_t* auth_data_init(struct ppp_t *ppp)
+{
+	struct chap_auth_data_t *d = _malloc(sizeof(*d));
+
+	memset(d, 0, sizeof(*d));
+	d->auth.proto = PPP_CHAP;
+	d->ppp = ppp;
+
+	return &d->auth;
+}
+
+static void auth_data_free(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	if (d->timeout.tpd)
+		triton_timer_del(&d->timeout);
+
+	if (d->interval.tpd)
+		triton_timer_del(&d->interval);
+
+	_free(d);
+}
+
+static int chap_start(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	d->h.proto = PPP_CHAP;
+	d->h.recv = chap_recv;
+	d->timeout.expire = chap_timeout_timer;
+	d->timeout.period = conf_timeout * 1000;
+	d->interval.expire = chap_restart_timer;
+	d->interval.period = conf_interval * 1000;
+
+	ppp_register_chan_handler(ppp, &d->h);
+
+	chap_send_challenge(d);
+
+	return 0;
+}
+
+static int chap_finish(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	if (d->timeout.tpd)
+		triton_timer_del(&d->timeout);
+
+	if (d->interval.tpd)
+		triton_timer_del(&d->interval);
+
+	ppp_unregister_handler(ppp,&d->h);
+
+	return 0;
+}
+
+static void chap_timeout_timer(struct triton_timer_t *t)
+{
+	struct chap_auth_data_t *d = container_of(t, typeof(*d), timeout);
+
+	if (conf_ppp_verbose)
+		log_ppp_warn("mschap-v2: timeout\n");
+
+	if (++d->failure == conf_max_failure) {
+		if (d->started)
+			ppp_terminate(d->ppp, TERM_USER_ERROR, 0);
+		else
+			ppp_auth_failed(d->ppp, NULL);
+	} else {
+		--d->id;
+		chap_send_challenge(d);
+	}
+}
+
+static void chap_restart_timer(struct triton_timer_t *t)
+{
+	struct chap_auth_data_t *d = container_of(t, typeof(*d), interval);
+	
+	chap_send_challenge(d);
+}
+
+static int lcp_send_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
+{
+	*ptr = MSCHAP_V2;
+	return 1;
+}
+
+static int lcp_recv_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
+{
+	if (*ptr == MSCHAP_V2)
+		return LCP_OPT_ACK;
+	return LCP_OPT_NAK;
+}
+
+static void chap_send_failure(struct chap_auth_data_t *ad)
+{
+	struct chap_failure_t msg = {
+		.hdr.proto = htons(PPP_CHAP),
+		.hdr.code = CHAP_FAILURE,
+		.hdr.id = ad->id,
+		.hdr.len = htons(sizeof(msg) - 1 - 2),
+		.message = MSG_FAILURE,
+	};
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [MSCHAP-v2 Failure id=%x \"%s\"]\n", msg.hdr.id, MSG_FAILURE);
+
+	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
+}
+
+static int generate_response(struct chap_auth_data_t *ad, struct chap_response_t *msg, const char *name, char *authenticator)
+{
+	MD4_CTX md4_ctx;
+	SHA_CTX sha_ctx;
+	char *passwd;
+	char *u_passwd;
+	uint8_t pw_hash[MD4_DIGEST_LENGTH];
+	uint8_t c_hash[SHA_DIGEST_LENGTH];
+	uint8_t response[SHA_DIGEST_LENGTH];
+	int i;
+	
+	uint8_t magic1[39] =
+         {0x4D, 0x61, 0x67, 0x69, 0x63, 0x20, 0x73, 0x65, 0x72, 0x76,
+          0x65, 0x72, 0x20, 0x74, 0x6F, 0x20, 0x63, 0x6C, 0x69, 0x65,
+          0x6E, 0x74, 0x20, 0x73, 0x69, 0x67, 0x6E, 0x69, 0x6E, 0x67,
+          0x20, 0x63, 0x6F, 0x6E, 0x73, 0x74, 0x61, 0x6E, 0x74};
+	uint8_t magic2[41] =
+         {0x50, 0x61, 0x64, 0x20, 0x74, 0x6F, 0x20, 0x6D, 0x61, 0x6B,
+          0x65, 0x20, 0x69, 0x74, 0x20, 0x64, 0x6F, 0x20, 0x6D, 0x6F,
+          0x72, 0x65, 0x20, 0x74, 0x68, 0x61, 0x6E, 0x20, 0x6F, 0x6E,
+          0x65, 0x20, 0x69, 0x74, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6F,
+          0x6E};
+
+
+	passwd = pwdb_get_passwd(ad->ppp,name);
+	if (!passwd)
+		return -1;
+
+	u_passwd=_malloc(strlen(passwd)*2);
+	for(i=0; i<strlen(passwd); i++)
+	{
+		u_passwd[i*2]=passwd[i];
+		u_passwd[i*2+1]=0;
+	}
+
+	MD4_Init(&md4_ctx);
+	MD4_Update(&md4_ctx,u_passwd,strlen(passwd)*2);
+	MD4_Final(pw_hash,&md4_ctx);
+
+	MD4_Init(&md4_ctx);
+	MD4_Update(&md4_ctx,pw_hash,16);
+	MD4_Final(pw_hash,&md4_ctx);
+
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx,pw_hash,16);
+	SHA1_Update(&sha_ctx,msg->nt_hash,24);
+	SHA1_Update(&sha_ctx,magic1,39);
+	SHA1_Final(response,&sha_ctx);
+
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx,msg->peer_challenge,16);
+	SHA1_Update(&sha_ctx,ad->val,16);
+	SHA1_Update(&sha_ctx,name,strlen(name));
+	SHA1_Final(c_hash,&sha_ctx);
+
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx,response,20);
+	SHA1_Update(&sha_ctx,c_hash,8);
+	SHA1_Update(&sha_ctx,magic2,41);
+	SHA1_Final(response,&sha_ctx);
+	
+	for(i=0; i<20; i++)
+		sprintf(authenticator+i*2,"%02X",response[i]);
+	
+	_free(passwd);
+	_free(u_passwd);
+
+	return 0;
+}
+
+static void chap_send_success(struct chap_auth_data_t *ad, struct chap_response_t *res_msg, const char *authenticator)
+{
+	struct chap_success_t msg = {
+		.hdr.proto = htons(PPP_CHAP),
+		.hdr.code = CHAP_SUCCESS,
+		.hdr.id = ad->id,
+		.hdr.len = htons(sizeof(msg) - 1 - 2),
+		.message = MSG_SUCCESS,
+	};
+
+	memcpy(msg.message + 2, authenticator, 40);
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [MSCHAP-v2 Success id=%x \"%s\"]\n", msg.hdr.id, msg.message);
+
+	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
+}
+
+static void chap_send_challenge(struct chap_auth_data_t *ad)
+{
+	struct chap_challenge_t msg =	{
+		.hdr.proto = htons(PPP_CHAP),
+		.hdr.code = CHAP_CHALLENGE,
+		.hdr.id = ++ad->id,
+		.hdr.len = htons(sizeof(msg) - 2),
+		.val_size = VALUE_SIZE,
+	};
+
+	read(urandom_fd, ad->val, VALUE_SIZE);
+	memcpy(msg.val, ad->val, VALUE_SIZE);
+
+	if (conf_ppp_verbose) {
+		log_ppp_info2("send [MSCHAP-v2 Challenge id=%x <", msg.hdr.id);
+		print_buf(msg.val, VALUE_SIZE);
+		log_ppp_info2(">]\n");
+	}
+
+	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
+
+	if (conf_timeout && !ad->timeout.tpd)
+		triton_timer_add(ad->ppp->ctrl->ctx, &ad->timeout, 0);
+}
+
+static void chap_recv_response(struct chap_auth_data_t *ad, struct chap_hdr_t *hdr)
+{
+	struct chap_response_t *msg = (struct chap_response_t*)hdr;
+	char *name;
+	char authenticator[41];
+	int r;
+
+	if (ad->timeout.tpd)
+		triton_timer_del(&ad->timeout);
+
+	if (conf_ppp_verbose) {
+		log_ppp_info2("recv [MSCHAP-v2 Response id=%x <", msg->hdr.id);
+		print_buf(msg->peer_challenge,16);
+		log_ppp_info2(">, <");
+		print_buf(msg->nt_hash, 24);
+		log_ppp_info2(">, F=%i, name=\"", msg->flags);
+		print_str(msg->name, ntohs(msg->hdr.len) - sizeof(*msg) + 2);
+		log_ppp_info2("\"]\n");
+	}
+
+	if (msg->hdr.id != ad->id) {
+		if (conf_ppp_verbose)
+			log_ppp_error("mschap-v2: id mismatch\n");
+		chap_send_failure(ad);
+		if (ad->started)
+			ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
+		else
+			ppp_auth_failed(ad->ppp, NULL);
+	}
+
+	if (msg->val_size != RESPONSE_VALUE_SIZE) {
+		log_ppp_error("mschap-v2: incorrect value-size (%i)\n", msg->val_size);
+		chap_send_failure(ad);
+		if (ad->started)
+			ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
+		else
+			ppp_auth_failed(ad->ppp, NULL);
+	}
+
+	name = _strndup(msg->name, ntohs(msg->hdr.len) - sizeof(*msg) + 2);
+	if (!name) {
+		log_emerg("mschap-v2: out of memory\n");
+		if (ad->started)
+			ppp_terminate(ad->ppp, TERM_NAS_ERROR, 0);
+		else
+			ppp_auth_failed(ad->ppp, NULL);
+		return;
+	}
+	
+	r = pwdb_check(ad->ppp, name, PPP_CHAP, MSCHAP_V2, ad->id, ad->val, msg->peer_challenge, msg->reserved, msg->nt_hash, msg->flags, authenticator);
+
+	if (r == PWDB_NO_IMPL) {	
+		r = chap_check_response(ad, msg, name);
+		if (r)
+			r = PWDB_DENIED;
+		else if (generate_response(ad, msg, name, authenticator))
+			r = PWDB_DENIED;
+	}
+
+	if (r == PWDB_DENIED) {
+		chap_send_failure(ad);
+		if (ad->started)
+			ppp_terminate(ad->ppp, TERM_AUTH_ERROR, 0);
+		else
+			ppp_auth_failed(ad->ppp, name);
+		_free(name);
+	} else {
+		chap_send_success(ad, msg, authenticator);
+		if (!ad->started) {
+			ad->started = 1;
+			if (conf_interval)
+				triton_timer_add(ad->ppp->ctrl->ctx, &ad->interval, 0);
+			ppp_auth_successed(ad->ppp, name);
+		} else
+			_free(name);
+	}
+}
+
+static void des_encrypt(const uint8_t *input, const uint8_t *key, uint8_t *output)
+{
+	int i,j,parity;
+	union
+	{
+		uint64_t u64;
+		uint8_t buf[8];
+	} p_key;
+	DES_cblock cb;
+	DES_cblock res;
+	DES_key_schedule ks;
+
+	memcpy(p_key.buf,key,7);
+	p_key.u64=bswap_64(p_key.u64);
+
+	for(i=0;i<8;i++)
+	{
+		cb[i]=(((p_key.u64<<(7*i))>>56)&0xfe);
+		for(j=0, parity=0; j<7; j++)
+			if ((cb[i]>>(j+1))&1) parity++;
+		cb[i]|=(~parity)&1;
+	}
+
+	DES_set_key_checked(&cb, &ks);
+	memcpy(cb,input,8);
+	DES_ecb_encrypt(&cb,&res,&ks,DES_ENCRYPT);
+	memcpy(output,res,8);	
+}
+
+static int chap_check_response(struct chap_auth_data_t *ad, struct chap_response_t *msg, const char *name)
+{
+	MD4_CTX md4_ctx;
+	SHA_CTX sha_ctx;
+	uint8_t z_hash[21];
+	uint8_t c_hash[SHA_DIGEST_LENGTH];
+	uint8_t nt_hash[24];
+	char *passwd;
+	char *u_passwd;
+	int i;
+	
+	passwd = pwdb_get_passwd(ad->ppp, name);
+	if (!passwd) {
+		if (conf_ppp_verbose)
+			log_ppp_warn("mschap-v2: user not found\n");
+		chap_send_failure(ad);
+		return -1;
+	}
+
+	u_passwd=_malloc(strlen(passwd)*2);
+	for(i=0; i<strlen(passwd); i++)
+	{
+		u_passwd[i*2]=passwd[i];
+		u_passwd[i*2+1]=0;
+	}
+
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx,msg->peer_challenge,16);
+	SHA1_Update(&sha_ctx,ad->val,16);
+	SHA1_Update(&sha_ctx,name,strlen(name));
+	SHA1_Final(c_hash,&sha_ctx);
+
+	memset(z_hash,0,sizeof(z_hash));
+	MD4_Init(&md4_ctx);
+	MD4_Update(&md4_ctx,u_passwd,strlen(passwd)*2);
+	MD4_Final(z_hash,&md4_ctx);
+
+	des_encrypt(c_hash,z_hash,nt_hash);
+	des_encrypt(c_hash,z_hash+7,nt_hash+8);
+	des_encrypt(c_hash,z_hash+14,nt_hash+16);
+
+	set_mppe_keys(ad, z_hash, msg->nt_hash);
+
+	_free(passwd);
+	_free(u_passwd);
+
+	return memcmp(nt_hash,msg->nt_hash,24);
+}
+
+static void set_mppe_keys(struct chap_auth_data_t *ad, uint8_t *z_hash, uint8_t *nt_hash)
+{
+	MD4_CTX md4_ctx;
+	SHA_CTX sha_ctx;
+	uint8_t digest[20];
+	uint8_t send_key[20];
+	uint8_t recv_key[20];
+	
+	uint8_t pad1[40] =
+   {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+	uint8_t pad2[40] =
+   {0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
+    0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
+    0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
+    0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2};
+
+	uint8_t magic1[27] =
+   {0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74,
+    0x68, 0x65, 0x20, 0x4d, 0x50, 0x50, 0x45, 0x20, 0x4d,
+    0x61, 0x73, 0x74, 0x65, 0x72, 0x20, 0x4b, 0x65, 0x79};
+
+	uint8_t magic2[84] =
+   {0x4f, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6c, 0x69,
+    0x65, 0x6e, 0x74, 0x20, 0x73, 0x69, 0x64, 0x65, 0x2c, 0x20,
+    0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68,
+    0x65, 0x20, 0x73, 0x65, 0x6e, 0x64, 0x20, 0x6b, 0x65, 0x79,
+    0x3b, 0x20, 0x6f, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x73,
+    0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x73, 0x69, 0x64, 0x65,
+    0x2c, 0x20, 0x69, 0x74, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68,
+    0x65, 0x20, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x20,
+    0x6b, 0x65, 0x79, 0x2e};
+
+	uint8_t magic3[84] =
+   {0x4f, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6c, 0x69,
+    0x65, 0x6e, 0x74, 0x20, 0x73, 0x69, 0x64, 0x65, 0x2c, 0x20,
+    0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68,
+    0x65, 0x20, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x20,
+    0x6b, 0x65, 0x79, 0x3b, 0x20, 0x6f, 0x6e, 0x20, 0x74, 0x68,
+    0x65, 0x20, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x73,
+    0x69, 0x64, 0x65, 0x2c, 0x20, 0x69, 0x74, 0x20, 0x69, 0x73,
+    0x20, 0x74, 0x68, 0x65, 0x20, 0x73, 0x65, 0x6e, 0x64, 0x20,
+    0x6b, 0x65, 0x79, 0x2e};
+
+	struct ev_mppe_keys_t ev_mppe = {
+		.ppp = ad->ppp,
+		.type = 1 << 2,
+		.policy = 1,
+		.recv_key = recv_key,
+		.send_key = send_key,
+	};
+	
+	//NtPasswordHashHash
+	MD4_Init(&md4_ctx);
+	MD4_Update(&md4_ctx, z_hash, 16);
+	MD4_Final(digest, &md4_ctx);
+
+	//GetMasterKey
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx, digest, 16);
+	SHA1_Update(&sha_ctx, nt_hash, 24);
+	SHA1_Update(&sha_ctx, magic1, sizeof(magic1));
+	SHA1_Final(digest, &sha_ctx);
+
+	//send key
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx, digest, 16);
+	SHA1_Update(&sha_ctx, pad1, sizeof(pad1));
+	SHA1_Update(&sha_ctx, magic3, sizeof(magic2));
+	SHA1_Update(&sha_ctx, pad2, sizeof(pad2));
+	SHA1_Final(send_key, &sha_ctx);
+
+	//recv key
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx, digest, 16);
+	SHA1_Update(&sha_ctx, pad1, sizeof(pad1));
+	SHA1_Update(&sha_ctx, magic2, sizeof(magic3));
+	SHA1_Update(&sha_ctx, pad2, sizeof(pad2));
+	SHA1_Final(recv_key, &sha_ctx);
+
+	triton_event_fire(EV_MPPE_KEYS, &ev_mppe);
+}
+
+static int chap_check(uint8_t *ptr)
+{
+	return *ptr == MSCHAP_V2;
+}
+
+static int chap_restart(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+	
+	chap_send_challenge(d);
+
+	return 0;
+}
+
+static struct ppp_auth_handler_t chap=
+{
+	.name          = "MSCHAP-v2",
+	.init          = auth_data_init,
+	.free          = auth_data_free,
+	.send_conf_req = lcp_send_conf_req,
+	.recv_conf_req = lcp_recv_conf_req,
+	.start         = chap_start,
+	.finish        = chap_finish,
+	.check         = chap_check,
+	.restart       = chap_restart,
+};
+
+static void chap_recv(struct ppp_handler_t *h)
+{
+	struct chap_auth_data_t *d = container_of(h, typeof(*d), h);
+	struct chap_hdr_t *hdr = (struct chap_hdr_t *)d->ppp->chan_buf;
+
+	if (d->ppp->chan_buf_size < sizeof(*hdr) || ntohs(hdr->len) < HDR_LEN || ntohs(hdr->len) < d->ppp->chan_buf_size - 2) {
+		log_ppp_warn("mschap-v2: short packet received\n");
+		return;
+	}
+
+	if (hdr->code == CHAP_RESPONSE)
+		chap_recv_response(d, hdr);
+	else
+		log_ppp_warn("mschap-v2: unknown code received %x\n",hdr->code);
+}
+
+static void __init auth_mschap_v2_init()
+{
+	urandom_fd = open("/dev/urandom", O_RDONLY);
+	if (urandom_fd < 0) {
+		log_emerg("mschap-v2: failed to open /dev/urandom: %s\n", strerror(errno));
+		return;
+	}
+
+	if (ppp_auth_register_handler(&chap))
+		log_emerg("mschap-v2: failed to register handler\n");
+}
+
diff --git a/accel-pppd/auth/auth_pap.c b/accel-pppd/auth/auth_pap.c
new file mode 100644
index 0000000..6909046
--- /dev/null
+++ b/accel-pppd/auth/auth_pap.c
@@ -0,0 +1,273 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+
+#include "log.h"
+#include "ppp.h"
+#include "ppp_auth.h"
+#include "ppp_lcp.h"
+#include "pwdb.h"
+
+#include "memdebug.h"
+
+#define MSG_FAILED "Authentication failed"
+#define MSG_SUCCESSED "Authentication successed"
+
+#define HDR_LEN (sizeof(struct pap_hdr_t)-2)
+
+#define PAP_REQ 1
+#define PAP_ACK 2
+#define PAP_NAK 3
+
+static int conf_timeout = 5;
+static int conf_any_login = 0;
+
+static struct auth_data_t* auth_data_init(struct ppp_t *ppp);
+static void auth_data_free(struct ppp_t*, struct auth_data_t*);
+static int lcp_send_conf_req(struct ppp_t*, struct auth_data_t*, uint8_t*);
+static int lcp_recv_conf_req(struct ppp_t*, struct auth_data_t*, uint8_t*);
+static int pap_start(struct ppp_t*, struct auth_data_t*);
+static int pap_finish(struct ppp_t*, struct auth_data_t*);
+static void pap_recv(struct ppp_handler_t*h);
+static void pap_timeout(struct triton_timer_t *t);
+
+struct pap_auth_data_t
+{
+	struct auth_data_t auth;
+	struct ppp_handler_t h;
+	struct ppp_t *ppp;
+	int started:1;
+	struct triton_timer_t timeout;
+};
+
+struct pap_hdr_t
+{
+	uint16_t proto;
+	uint8_t code;
+	uint8_t id;
+	uint16_t len;
+} __attribute__((packed));
+
+struct pap_ack_t
+{
+	struct pap_hdr_t hdr;
+	uint8_t msg_len;
+	char msg[0];
+} __attribute__((packed));
+
+static struct ppp_auth_handler_t pap=
+{
+	.name          = "PAP",
+	.init          = auth_data_init,
+	.free          = auth_data_free,
+	.send_conf_req = lcp_send_conf_req,
+	.recv_conf_req = lcp_recv_conf_req,
+	.start         = pap_start,
+	.finish        = pap_finish,
+};
+
+static struct auth_data_t* auth_data_init(struct ppp_t *ppp)
+{
+	struct pap_auth_data_t *d = _malloc(sizeof(*d));
+
+	memset(d, 0, sizeof(*d));
+	d->auth.proto = PPP_PAP;
+	d->ppp = ppp;
+
+	return &d->auth;
+}
+
+static void auth_data_free(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct pap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	_free(d);
+}
+
+static int pap_start(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct pap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+
+	d->h.proto = PPP_PAP;
+	d->h.recv = pap_recv;
+	d->timeout.expire = pap_timeout;
+	d->timeout.period = conf_timeout * 1000;
+
+	triton_timer_add(ppp->ctrl->ctx, &d->timeout, 0);
+
+	ppp_register_chan_handler(ppp, &d->h);
+
+	return 0;
+}
+static int pap_finish(struct ppp_t *ppp, struct auth_data_t *auth)
+{
+	struct pap_auth_data_t *d = container_of(auth, typeof(*d), auth);
+	
+	if (d->timeout.tpd)
+		triton_timer_del(&d->timeout);
+
+	ppp_unregister_handler(ppp, &d->h);
+
+	return 0;
+}
+
+static void pap_timeout(struct triton_timer_t *t)
+{
+	struct pap_auth_data_t *d = container_of(t, typeof(*d), timeout);
+
+	if (conf_ppp_verbose)
+		log_ppp_warn("pap: timeout\n");
+
+	ppp_auth_failed(d->ppp, NULL);
+}
+
+static int lcp_send_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
+{
+	return 0;
+}
+
+static int lcp_recv_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
+{
+	return LCP_OPT_ACK;
+}
+
+static void pap_send_ack(struct pap_auth_data_t *p, int id)
+{
+	uint8_t buf[128];
+	struct pap_ack_t *msg = (struct pap_ack_t*)buf;
+	msg->hdr.proto = htons(PPP_PAP);
+	msg->hdr.code = PAP_ACK;
+	msg->hdr.id = id;
+	msg->hdr.len = htons(HDR_LEN + 1 + sizeof(MSG_SUCCESSED) - 1);
+	msg->msg_len = sizeof(MSG_SUCCESSED) - 1;
+	memcpy(msg->msg, MSG_SUCCESSED, sizeof(MSG_SUCCESSED));
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [PAP AuthAck id=%x \"%s\"]\n", id, MSG_SUCCESSED);
+	
+	ppp_chan_send(p->ppp, msg, ntohs(msg->hdr.len) + 2);
+}
+
+static void pap_send_nak(struct pap_auth_data_t *p, int id)
+{
+	uint8_t buf[128];
+	struct pap_ack_t *msg = (struct pap_ack_t*)buf;
+	msg->hdr.proto = htons(PPP_PAP);
+	msg->hdr.code = PAP_NAK;
+	msg->hdr.id = id;
+	msg->hdr.len = htons(HDR_LEN + 1 + sizeof(MSG_FAILED) - 1);
+	msg->msg_len = sizeof(MSG_FAILED) - 1;
+	memcpy(msg->msg, MSG_FAILED, sizeof(MSG_FAILED));
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [PAP AuthNak id=%x \"%s\"]\n", id, MSG_FAILED);
+	
+	ppp_chan_send(p->ppp, msg, ntohs(msg->hdr.len) + 2);
+}
+
+static int pap_recv_req(struct pap_auth_data_t *p, struct pap_hdr_t *hdr)
+{
+	int ret, r;
+	char *peer_id;
+	char *passwd;
+	char *passwd2;
+	int peer_id_len;
+	int passwd_len;
+	uint8_t *ptr = (uint8_t*)(hdr + 1);
+
+	if (p->timeout.tpd)
+		triton_timer_del(&p->timeout);
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [PAP AuthReq id=%x]\n", hdr->id);
+
+	peer_id_len = *(uint8_t*)ptr; ptr++;
+	if (peer_id_len > ntohs(hdr->len) - sizeof(*hdr) + 2 - 1) {
+		log_ppp_warn("PAP: short packet received\n");
+		return -1;
+	}
+	peer_id = (char*)ptr; ptr += peer_id_len;
+
+	passwd_len = *(uint8_t*)ptr; ptr++;
+	if (passwd_len > ntohs(hdr->len) - sizeof(*hdr ) + 2 - 2 - peer_id_len) {
+		log_ppp_warn("PAP: short packet received\n");
+		return -1;
+	}
+
+	peer_id = _strndup((const char*)peer_id, peer_id_len);
+	
+	if (conf_any_login) {
+		pap_send_ack(p, hdr->id);
+		p->started = 1;
+		ppp_auth_successed(p->ppp, peer_id);
+		return 0;
+	}
+
+	passwd = _strndup((const char*)ptr, passwd_len);
+
+	r = pwdb_check(p->ppp, peer_id, PPP_PAP, passwd);
+	if (r == PWDB_NO_IMPL) {
+		passwd2 = pwdb_get_passwd(p->ppp, peer_id);
+		if (!passwd2 || strcmp(passwd2, passwd))
+			r = PWDB_DENIED;
+		else
+			r = PWDB_SUCCESS;
+		_free(passwd2);
+	}
+	if (r == PWDB_DENIED) {
+		if (conf_ppp_verbose)
+			log_ppp_warn("PAP: authentication error\n");
+		pap_send_nak(p, hdr->id);
+		if (p->started)
+			ppp_terminate(p->ppp, TERM_AUTH_ERROR, 0);
+		else
+			ppp_auth_failed(p->ppp, peer_id);
+		ret=-1;
+		_free(peer_id);
+	} else {
+		pap_send_ack(p, hdr->id);
+		if (!p->started) {
+			p->started = 1;
+			ppp_auth_successed(p->ppp, peer_id);
+		}
+		ret = 0;
+	}
+
+	_free(passwd);
+
+	return ret;
+}
+
+static void pap_recv(struct ppp_handler_t *h)
+{
+	struct pap_auth_data_t *d = container_of(h, typeof(*d), h);
+	struct pap_hdr_t *hdr = (struct pap_hdr_t *)d->ppp->chan_buf;
+
+	if (d->ppp->chan_buf_size < sizeof(*hdr) || ntohs(hdr->len) < HDR_LEN || ntohs(hdr->len) < d->ppp->chan_buf_size - 2)	{
+		log_ppp_warn("PAP: short packet received\n");
+		return;
+	}
+
+	if (hdr->code == PAP_REQ)
+		pap_recv_req(d, hdr);
+	else {
+		log_ppp_warn("PAP: unknown code received %x\n",hdr->code);
+	}
+}
+
+static void __init auth_pap_init()
+{
+	char *opt;
+
+	opt = conf_get_opt("auth", "timeout");
+	if (opt && atoi(opt) > 0)
+		conf_timeout = atoi(opt);
+
+	opt = conf_get_opt("auth", "any-login");
+	if (opt && atoi(opt) > 0)
+		conf_any_login = 1;
+
+	ppp_auth_register_handler(&pap);
+}
+
diff --git a/accel-pppd/cli/CMakeLists.txt b/accel-pppd/cli/CMakeLists.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/accel-pppd/cli/CMakeLists.txt
@@ -0,0 +1 @@
+
diff --git a/accel-pppd/cli/cli.c b/accel-pppd/cli/cli.c
new file mode 100644
index 0000000..5009a74
--- /dev/null
+++ b/accel-pppd/cli/cli.c
@@ -0,0 +1,227 @@
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "triton.h"
+
+#include "cli.h"
+#include "cli_p.h"
+#include "log.h"
+#include "events.h"
+
+#include "memdebug.h"
+
+#define MAX_CMD_ITEMS 100
+#define MSG_SYNTAX_ERROR "syntax error\r\n"
+#define MSG_INVAL_ERROR "invalid argument\r\n"
+#define MSG_UNKNOWN_CMD "command unknown\r\n"
+
+char *conf_cli_passwd;
+static const char *def_cli_prompt = "accel-ppp";
+char *conf_cli_prompt;
+
+static LIST_HEAD(simple_cmd_list);
+static LIST_HEAD(regexp_cmd_list);
+
+void __export cli_register_simple_cmd(struct cli_simple_cmd_t *cmd)
+{
+	list_add_tail(&cmd->entry, &simple_cmd_list);
+}
+
+void __export cli_register_simple_cmd2(
+	int (*exec)(const char *cmd, char * const *fields, int fields_cnt, void *client),
+	void (*help)(char * const *fields, int fields_cnt, void *client),
+	int hdr_len,
+	...
+	)
+{
+	struct cli_simple_cmd_t *c;
+	int i;
+	va_list ap;
+
+	va_start(ap, hdr_len);
+
+	c = malloc(sizeof(*c));
+	memset(c, 0, sizeof(*c));
+	
+	c->exec = exec;
+	c->help = help;
+	c->hdr_len = hdr_len;
+	c->hdr = malloc(hdr_len * sizeof(void*));
+
+	for (i = 0; i < hdr_len; i++)
+		c->hdr[i] = va_arg(ap, char *);
+	
+	list_add_tail(&c->entry, &simple_cmd_list);
+}
+
+void __export cli_register_regexp_cmd(struct cli_regexp_cmd_t *cmd)
+{
+	int err;
+	cmd->re = pcre_compile2(cmd->pattern, cmd->options, &err, NULL, NULL, NULL);
+	if (!cmd->re) {
+		log_emerg("cli: failed to compile regexp %s: %i\n", cmd->pattern, err);
+		_exit(EXIT_FAILURE);
+	}
+	list_add_tail(&cmd->entry, &simple_cmd_list);
+}
+
+int __export cli_send(void *client, const char *data)
+{
+	struct cli_client_t *cln = (struct cli_client_t *)client;
+
+	return cln->send(cln, data, strlen(data));
+}
+
+int __export cli_sendv(void *client, const char *fmt, ...)
+{
+	struct cli_client_t *cln = (struct cli_client_t *)client;
+	int r;
+
+	va_list ap;
+	va_start(ap, fmt);
+	r = cln->sendv(cln, fmt, ap);
+	va_end(ap);
+
+	return r;
+}
+
+
+static char *skip_word(char *ptr)
+{
+	for(; *ptr; ptr++)
+		if (*ptr == ' ' || *ptr == '\t' || *ptr == '\n') 
+			break;
+	return ptr;
+}
+static char *skip_space(char *ptr)
+{
+	for(; *ptr; ptr++)
+		if (*ptr != ' ' && *ptr != '\t')
+			break;
+	return ptr;
+}
+static int split(char *buf, char **ptr)
+{
+	int i;
+
+	ptr[0] = buf;
+
+	for (i = 1; i <= MAX_CMD_ITEMS; i++) {
+		buf = skip_word(buf);
+		if (!*buf)
+			return i;
+		
+		*buf = 0;
+		
+		buf = skip_space(buf + 1);
+		if (!*buf)
+			return i;
+
+		ptr[i] = buf;
+	}
+
+	buf = skip_word(buf);
+	*buf = 0;
+
+	return i;
+}
+
+int cli_process_cmd(struct cli_client_t *cln)
+{
+	struct cli_simple_cmd_t *cmd1;
+	struct cli_regexp_cmd_t *cmd2;
+	char *f[MAX_CMD_ITEMS];
+	int r, i, n, found = 0;
+
+	n = split((char *)cln->cmdline, f);
+
+	if (n >= 1 && !strcmp(f[0], "help")) {
+		list_for_each_entry(cmd1, &simple_cmd_list, entry)
+			if (cmd1->help)
+				cmd1->help(f, n, cln);
+
+		list_for_each_entry(cmd2, &regexp_cmd_list, entry)
+			if (cmd2->help)
+				cmd1->help(f, n, cln);
+
+		return 0;
+	}
+
+	list_for_each_entry(cmd1, &simple_cmd_list, entry) {
+		if (cmd1->hdr_len && n >= cmd1->hdr_len) {
+			for (i = 0; i < cmd1->hdr_len; i++) {
+				if (strcmp(cmd1->hdr[i], f[i]))
+					break;
+			}
+			if (i < cmd1->hdr_len)
+				continue;
+			r = cmd1->exec((char *)cln->cmdline, f, n, cln);
+			switch (r) {
+				case CLI_CMD_EXIT:
+					cln->disconnect(cln);
+				case CLI_CMD_FAILED:
+					return -1;
+				case CLI_CMD_SYNTAX:
+					cli_send(cln, MSG_SYNTAX_ERROR);
+					return 0;
+				case CLI_CMD_INVAL:
+					cli_send(cln, MSG_INVAL_ERROR);
+					return 0;
+				case CLI_CMD_OK:
+					found = 1;
+			}
+		}
+	}
+
+	list_for_each_entry(cmd2, &regexp_cmd_list, entry) {
+		r = cmd2->exec((char *)cln->cmdline, cln);
+		switch (r) {
+			case CLI_CMD_EXIT:
+				cln->disconnect(cln);
+			case CLI_CMD_FAILED:
+				return 0;
+			case CLI_CMD_SYNTAX:
+				cli_send(cln, MSG_SYNTAX_ERROR);
+				return 0;
+			case CLI_CMD_OK:
+				found = 1;
+		}
+	}
+
+	if (!found) {
+		if (cli_send(cln, MSG_UNKNOWN_CMD))
+			return -1;
+	}
+
+	return 0;
+}
+
+static void load_config(void)
+{
+	const char *opt;
+	
+	if (conf_cli_passwd)
+		_free(conf_cli_passwd);
+	opt = conf_get_opt("cli", "password");
+	if (opt)
+		conf_cli_passwd = _strdup(opt);
+	else
+		conf_cli_passwd = NULL;
+	
+	if (conf_cli_prompt && conf_cli_prompt != def_cli_prompt)
+		_free(conf_cli_prompt);
+	opt = conf_get_opt("cli", "prompt");
+	if (opt)
+		conf_cli_prompt = _strdup(opt);
+	else
+		conf_cli_prompt = (char *)def_cli_prompt;
+}
+
+static void __init init(void)
+{
+	load_config();
+
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+}
diff --git a/accel-pppd/cli/cli.h b/accel-pppd/cli/cli.h
new file mode 100644
index 0000000..cdceb2f
--- /dev/null
+++ b/accel-pppd/cli/cli.h
@@ -0,0 +1,48 @@
+#ifndef __CLI_H
+#define __CLI_H
+
+#include <pcre.h>
+#include <list.h>
+
+#define CLI_CMD_OK 0
+#define CLI_CMD_FAILED -1
+#define CLI_CMD_EXIT -2
+#define CLI_CMD_SYNTAX 1
+#define CLI_CMD_INVAL 2
+
+struct cli_simple_cmd_t
+{
+	struct list_head entry;
+	int hdr_len;
+	const char **hdr;
+	int (*exec)(const char *cmd, char * const *fields, int fields_cnt, void *client);
+	void (*help)(char * const *fields, int field_cnt, void *client);
+};
+
+struct cli_regexp_cmd_t
+{
+	struct list_head entry;
+	pcre *re;
+	const char *pattern;
+	int options;
+	int (*exec)(const char *cmd, void *client);
+	int (*help)(char * const *fields, int field_cnt, void *client);
+};
+
+struct ppp_t;
+
+void cli_register_simple_cmd(struct cli_simple_cmd_t *cmd);
+void cli_register_simple_cmd2(
+	int (*exec)(const char *cmd, char * const *fields, int fields_cnt, void *client),
+	void (*help)(char * const *fields, int fields_cnt, void *client),
+	int hdr_len,
+	...
+	);
+void cli_register_regexp_cmd(struct cli_regexp_cmd_t *cmd);
+void cli_show_ses_register(const char *name, const char *desc, void (*print)(const struct ppp_t *ppp, char *buf));
+
+int cli_send(void *client, const char *data);
+int cli_sendv(void *client, const char *fmt, ...);
+
+#endif
+
diff --git a/accel-pppd/cli/cli_p.h b/accel-pppd/cli/cli_p.h
new file mode 100644
index 0000000..0fcba30
--- /dev/null
+++ b/accel-pppd/cli/cli_p.h
@@ -0,0 +1,22 @@
+#ifndef __CLI_P_H
+#define __CLI_P_H
+
+#include <stdarg.h>
+
+#include "triton.h"
+
+struct cli_client_t
+{
+	uint8_t *cmdline;
+	int (*send)(struct cli_client_t *, const void *buf, int size);
+	int (*sendv)(struct cli_client_t *, const char *fmt, va_list ap);
+	void (*disconnect)(struct cli_client_t *);
+};
+
+int cli_process_cmd(struct cli_client_t *cln);
+
+extern char *conf_cli_passwd;
+extern char *conf_cli_prompt;
+
+#endif
+
diff --git a/accel-pppd/cli/show_sessions.c b/accel-pppd/cli/show_sessions.c
new file mode 100644
index 0000000..90aeb3f
--- /dev/null
+++ b/accel-pppd/cli/show_sessions.c
@@ -0,0 +1,434 @@
+#include <stdio.h>
+#include <time.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include <arpa/inet.h>
+
+#include "triton.h"
+#include "events.h"
+#include "ppp.h"
+#include "cli.h"
+#include "utils.h"
+#include "log.h"
+#include "memdebug.h"
+
+#define CELL_SIZE 128
+#define DEF_COLUMNS "ifname,username,calling-sid,ip,rate-limit,type,state,uptime"
+
+struct column_t
+{
+	struct list_head entry;
+	const char *name;
+	const char *desc;
+	void (*print)(const struct ppp_t *ppp, char *buf);
+};
+
+struct col_t
+{
+	struct list_head entry;
+	struct column_t *column;
+	int width;
+};
+
+struct row_t
+{
+	struct list_head entry;
+	char *match_key;
+	char *order_key;
+	struct list_head cell_list;
+};
+
+struct cell_t
+{
+	struct list_head entry;
+	struct col_t *col;
+	char buf[CELL_SIZE + 1];
+};
+
+static LIST_HEAD(col_list);
+
+void __export cli_show_ses_register(const char *name, const char *desc, void (*print)(const struct ppp_t *ppp, char *buf))
+{
+	struct column_t *c = malloc(sizeof(*c));
+	c->name = name;
+	c->desc = desc;
+	c->print = print;
+	list_add_tail(&c->entry, &col_list);
+}
+
+static void show_ses_help(char * const *f, int f_cnt, void *cli)
+{
+	struct column_t *col;
+	char buf[129];
+
+	cli_send(cli, "show sessions [columns] [order <column>] [match <column> <regexp>] - shows sessions\r\n");
+	cli_send(cli, "\tcolumns:\r\n");
+
+	list_for_each_entry(col, &col_list, entry) {
+		snprintf(buf, 128, "\t\t%s - %s\r\n", col->name, col->desc);
+		cli_send(cli, buf);
+	}
+}
+
+static struct column_t *find_column(const char *name)
+{
+	struct column_t *col;
+
+	list_for_each_entry(col, &col_list, entry) {
+		if (strcmp(col->name, name))
+			continue;
+		return col;
+	}
+
+	return NULL;
+}
+
+static void free_row(struct row_t *row)
+{
+	struct cell_t *cell;
+
+	while (!list_empty(&row->cell_list)) {
+		cell = list_entry(row->cell_list.next, typeof(*cell), entry);
+		list_del(&cell->entry);
+		_free(cell);
+	}
+
+	_free(row);
+}
+
+static void insert_row(struct list_head *list, struct row_t *row)
+{
+	struct row_t *row2, *row3;
+				
+	row3 = NULL;
+	list_for_each_entry(row2, list, entry) {
+		if (strcmp(row->order_key, row2->order_key) <= 0) {
+			row3 = row2;
+			break;
+		}
+	}
+	if (row3)
+		list_add_tail(&row->entry, &row3->entry);
+	else
+		list_add_tail(&row->entry, list);
+}
+
+static int show_ses_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	char *columns = NULL;
+	struct column_t *match_key = NULL;
+	char *match_pattern = NULL;
+	struct column_t *order_key = NULL;
+	pcre *re = NULL;
+	const char *pcre_err;
+	int pcre_offset;
+	struct column_t *column;
+	struct col_t *col;
+	struct row_t *row;
+	struct cell_t *cell;
+	char *ptr1, *ptr2;
+	int i, n, total_width, def_columns = 0;
+	struct ppp_t *ppp;
+	char *buf = NULL;
+	LIST_HEAD(c_list);
+	LIST_HEAD(r_list);
+	LIST_HEAD(t_list);
+
+	for (i = 2; i < f_cnt; i++) {
+		if (!strcmp(f[i], "order")) {
+			if (i == f_cnt - 1)
+				return CLI_CMD_SYNTAX;
+			order_key = find_column(f[++i]);
+			if (!order_key) {
+				cli_sendv(cli, "unknown column %s\r\n", f[i]);
+				return CLI_CMD_OK;
+			}
+		} else if (!strcmp(f[i], "match")) {
+			if (i == f_cnt - 2)
+				return CLI_CMD_SYNTAX;
+			match_key = find_column(f[++i]);
+			if (!match_key) {
+				cli_sendv(cli, "unknown column %s\r\n", f[i]);
+				return CLI_CMD_OK;
+			}
+			match_pattern = f[++i];
+		} else if (!columns)
+			columns = f[i];
+		else
+			return CLI_CMD_SYNTAX;
+	}
+
+	if (match_key) {
+		re = pcre_compile2(match_pattern, 0, NULL, &pcre_err, &pcre_offset, NULL);
+		if (!re) {
+			cli_sendv(cli, "match: %s at %i\r\n", pcre_err, pcre_offset);
+			return CLI_CMD_OK;
+		}
+	}
+
+	if (!columns) {
+		columns = DEF_COLUMNS;
+		def_columns = 1;
+	}
+	
+	columns = _strdup(columns);
+	ptr1 = columns;
+	while (1) {
+		ptr2 = strchr(ptr1, ',');
+		if (ptr2)
+			*ptr2 = 0;
+		column = find_column(ptr1);
+		if (column) {
+			col = _malloc(sizeof(*col));
+			col->column = column;
+			col->width = strlen(column->name);
+			list_add_tail(&col->entry, &c_list);
+		} else {
+			if (!def_columns) {
+				cli_sendv(cli, "unknown column %s\r\n", ptr1);
+				_free(columns);
+				goto out;
+			}
+		}
+		if (!ptr2)
+			break;
+		ptr1 = ptr2 + 1;
+	}
+	_free(columns);
+
+	pthread_rwlock_rdlock(&ppp_lock);
+	list_for_each_entry(ppp, &ppp_list, entry) {
+		row = _malloc(sizeof(*row));
+		if (!row)
+			goto oom;
+		memset(row, 0, sizeof(*row));
+		INIT_LIST_HEAD(&row->cell_list);
+		if (match_key || order_key)
+			list_add_tail(&row->entry, &t_list);
+		else
+			list_add_tail(&row->entry, &r_list);
+		list_for_each_entry(col, &c_list, entry) {
+			cell = _malloc(sizeof(*cell));
+			if (!cell)
+				goto oom;
+			cell->col = col;
+			list_add_tail(&cell->entry, &row->cell_list);
+			col->column->print(ppp, cell->buf);
+			n = strlen(cell->buf);
+			if (n > col->width)
+				col->width = n;
+			if (col->column == order_key)
+				row->order_key = cell->buf;
+			if (col->column == match_key)
+				row->match_key = cell->buf;
+		}
+	}
+	pthread_rwlock_unlock(&ppp_lock);
+
+	if (order_key || match_key) {
+		while(!list_empty(&t_list)) {
+			row = list_entry(t_list.next, typeof(*row), entry);
+			list_del(&row->entry);
+			if (match_key) {
+				if (pcre_exec(re, NULL, row->match_key, strlen(row->match_key), 0, 0, NULL, 0) < 0) {
+					free_row(row);
+					continue;
+				}
+			}
+			if (order_key)
+				insert_row(&r_list, row);
+			else
+				list_add_tail(&row->entry, &r_list);
+		}
+	}
+
+	total_width = -1;
+	list_for_each_entry(col, &c_list, entry)
+		total_width += col->width + 3;
+	
+	buf = _malloc(total_width + 3);
+	if (!buf)
+		goto oom;
+	
+	ptr1 = buf;
+	list_for_each_entry(col, &c_list, entry) {
+		n = strlen(col->column->name);
+		if (col->width > n + 1) {
+			ptr2 = ptr1;
+			memset(ptr1, ' ', col->width/2 - n/2 + 1);
+			ptr1 += col->width/2 - n/2 + 1;
+			sprintf(ptr1, "%s", col->column->name);
+			ptr1 = strchr(ptr1, 0);
+			memset(ptr1, ' ', col->width + 2 - (ptr1 - ptr2));
+			ptr1 += col->width + 2 - (ptr1 - ptr2);
+			*ptr1 = '|';
+			ptr1++;
+		} else if (col->width > n) {
+			sprintf(ptr1, " %s  |", col->column->name);
+			ptr1 = strchr(ptr1, 0);
+		} else {
+			sprintf(ptr1, " %s |", col->column->name);
+			ptr1 = strchr(ptr1, 0);
+		}
+	}
+
+	strcpy(ptr1 - 1, "\r\n");
+	cli_send(cli, buf);
+
+	ptr1 = buf;
+	list_for_each_entry(col, &c_list, entry) {
+		memset(ptr1, '-', col->width + 2);
+		ptr1 += col->width + 2;
+		*ptr1 = '+';
+		ptr1++;
+	}
+
+	strcpy(ptr1 - 1, "\r\n");
+	cli_send(cli, buf);
+
+	while (!list_empty(&r_list)) {
+		row = list_entry(r_list.next, typeof(*row), entry);
+		ptr1 = buf;
+		list_for_each_entry(cell, &row->cell_list, entry) {
+			ptr2 = ptr1;
+			sprintf(ptr1, " %s ", cell->buf);
+			ptr1 = strchr(ptr1, 0);
+			n = ptr1 - ptr2;
+			if (n - 2 < cell->col->width) {
+				memset(ptr1, ' ', cell->col->width + 2 - (ptr1 - ptr2));
+				ptr1 += cell->col->width + 2 - (ptr1 - ptr2);
+			}
+			*ptr1 = '|';
+			ptr1++;
+		}
+		strcpy(ptr1 - 1, "\r\n");
+		cli_send(cli, buf);
+		list_del(&row->entry);
+		free_row(row);
+	}
+
+	_free(buf);
+
+out:
+	while (!list_empty(&c_list)) {
+		col = list_entry(c_list.next, typeof(*col), entry);
+		list_del(&col->entry);
+		_free(col);
+	}
+
+	if (re)
+		pcre_free(re);
+
+	return CLI_CMD_OK;
+
+oom:
+	if (buf)
+		_free(buf);
+
+	while (!list_empty(&t_list)) {
+		row = list_entry(t_list.next, typeof(*row), entry);
+		list_del(&row->entry);
+		free_row(row);
+	}
+	cli_send(cli, "out of memory");
+	goto out;
+}
+
+static void print_ifname(const struct ppp_t *ppp, char *buf)
+{
+	snprintf(buf, CELL_SIZE, "%s", ppp->ifname);
+}
+
+static void print_username(const struct ppp_t *ppp, char *buf)
+{
+	if (ppp->username)
+		snprintf(buf, CELL_SIZE, "%s", ppp->username);
+}
+
+static void print_ip(const struct ppp_t *ppp, char *buf)
+{
+	char str[17];
+	u_inet_ntoa(ppp->peer_ipaddr, str);
+	sprintf(buf, "%s", str);
+}
+
+static void print_type(const struct ppp_t *ppp, char *buf)
+{
+	snprintf(buf, CELL_SIZE, "%s", ppp->ctrl->name);
+}
+
+static void print_state(const struct ppp_t *ppp, char *buf)
+{
+	char *state;
+	switch (ppp->state) {
+		case PPP_STATE_STARTING:
+			state = "start";
+			break;
+		case PPP_STATE_ACTIVE:
+			state = "active";
+			break;
+		case PPP_STATE_FINISHING:
+			state = "finish";
+			break;
+		default:
+			state = "unk";
+	}
+	sprintf(buf, "%s", state);
+}
+
+static void print_uptime(const struct ppp_t *ppp, char *buf)
+{
+	time_t uptime;
+	int day,hour,min,sec;
+	char time_str[14];
+
+	if (ppp->stop_time)
+		uptime = ppp->stop_time - ppp->start_time;
+	else {
+		time(&uptime);
+		uptime -= ppp->start_time;
+	}
+
+	day = uptime/ (24*60*60); uptime %= (24*60*60);
+	hour = uptime / (60*60); uptime %= (60*60);
+	min = uptime / 60;
+	sec = uptime % 60;
+	if (day)
+		snprintf(time_str, 13, "%i.%02i:%02i:%02i", day, hour, min, sec);
+	else
+		snprintf(time_str, 13, "%02i:%02i:%02i", hour, min, sec);
+
+	sprintf(buf, "%s", time_str);
+}
+
+static void print_calling_sid(const struct ppp_t *ppp, char *buf)
+{
+	snprintf(buf, CELL_SIZE, "%s", ppp->ctrl->calling_station_id);
+}
+
+static void print_called_sid(const struct ppp_t *ppp, char *buf)
+{
+	snprintf(buf, CELL_SIZE, "%s", ppp->ctrl->called_station_id);
+}
+
+static void print_sid(const struct ppp_t *ppp, char *buf)
+{
+	snprintf(buf, CELL_SIZE, "%s", ppp->sessionid);
+}
+
+void __init init(void)
+{
+	cli_register_simple_cmd2(show_ses_exec, show_ses_help, 2, "show", "sessions");
+	
+	cli_show_ses_register("ifname", "interface name", print_ifname);
+	cli_show_ses_register("username", "user name", print_username);
+	cli_show_ses_register("ip", "IP address", print_ip);
+	cli_show_ses_register("type", "VPN type", print_type);
+	cli_show_ses_register("state", "state of session", print_state);
+	cli_show_ses_register("uptime", "uptime", print_uptime);
+	cli_show_ses_register("calling-sid", "calling station id", print_calling_sid);
+	cli_show_ses_register("called-sid", "called station id", print_called_sid);
+	cli_show_ses_register("sid", "session id", print_sid);
+}
+
diff --git a/accel-pppd/cli/std_cmd.c b/accel-pppd/cli/std_cmd.c
new file mode 100644
index 0000000..a49bbce
--- /dev/null
+++ b/accel-pppd/cli/std_cmd.c
@@ -0,0 +1,324 @@
+#include <stdio.h>
+#include <time.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include <arpa/inet.h>
+
+#include "triton.h"
+#include "events.h"
+#include "ppp.h"
+#include "cli.h"
+#include "utils.h"
+#include "log.h"
+#include "memdebug.h"
+
+static int show_stat_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
+{
+	time_t dt;
+	int day,hour;
+	char statm_fname[128];
+	FILE *f;
+	unsigned long vmsize = 0, vmrss = 0;
+	unsigned long page_size_kb = sysconf(_SC_PAGE_SIZE) / 1024;
+
+	sprintf(statm_fname, "/proc/%i/statm", getpid());
+	f = fopen(statm_fname, "r");
+	if (f) {
+		fscanf(f, "%lu %lu", &vmsize, &vmrss);
+		fclose(f);
+	}
+
+	time(&dt);
+	dt -= triton_stat.start_time;
+	day = dt / (60 * 60 * 24);
+	dt %= 60 * 60 * 24;
+	hour = dt / (60 * 60);
+	dt %= 60 * 60;
+
+	cli_sendv(client, "uptime: %i.%02i:%02i:%02i\r\n", day, hour, dt / 60, dt % 60);
+	cli_sendv(client, "cpu: %i%%\r\n", triton_stat.cpu);
+	cli_sendv(client, "mem(rss/virt): %lu/%lu kB\r\n", vmrss * page_size_kb, vmsize * page_size_kb);
+	cli_send(client, "core:\r\n");
+	cli_sendv(client, "  mempool_allocated: %u\r\n", triton_stat.mempool_allocated);
+	cli_sendv(client, "  mempool_available: %u\r\n", triton_stat.mempool_available);
+	cli_sendv(client, "  thread_count: %u\r\n", triton_stat.thread_count);
+	cli_sendv(client, "  thread_active: %u\r\n", triton_stat.thread_active);
+	cli_sendv(client, "  context_count: %u\r\n", triton_stat.context_count);
+	cli_sendv(client, "  context_sleeping: %u\r\n", triton_stat.context_sleeping);
+	cli_sendv(client, "  context_pending: %u\r\n", triton_stat.context_pending);
+	cli_sendv(client, "  md_handler_count: %u\r\n", triton_stat.md_handler_count);
+	cli_sendv(client, "  md_handler_pending: %u\r\n", triton_stat.md_handler_pending);
+	cli_sendv(client, "  timer_count: %u\r\n", triton_stat.timer_count);
+	cli_sendv(client, "  timer_pending: %u\r\n", triton_stat.timer_pending);
+
+//===========
+	cli_send(client, "ppp:\r\n");
+	cli_sendv(client, "  staring: %u\r\n", ppp_stat.starting);
+	cli_sendv(client, "  active: %u\r\n", ppp_stat.active);
+	cli_sendv(client, "  finishing: %u\r\n", ppp_stat.finishing);
+
+	return CLI_CMD_OK;
+}
+
+static void show_stat_help(char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "show stat - shows various statistics information\r\n");
+}
+//=============================
+
+static int exit_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
+{
+	return CLI_CMD_EXIT;
+}
+
+static void exit_help(char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "exit - exit cli\r\n");
+}
+
+//=============================
+
+static void ppp_terminate_soft(struct ppp_t *ppp)
+{
+	ppp_terminate(ppp, TERM_NAS_REQUEST, 0);
+}
+
+static void ppp_terminate_hard(struct ppp_t *ppp)
+{
+	ppp_terminate(ppp, TERM_NAS_REQUEST, 1);
+}
+
+static int terminate_exec1(char * const *f, int f_cnt, void *cli)
+{
+	struct ppp_t *ppp;
+	int hard = 0;
+	pcre *re;
+	const char *pcre_err;
+	int pcre_offset;
+	
+	if (f_cnt == 5) {
+		if (!strcmp(f[4], "hard"))
+			hard = 1;
+		else if (strcmp(f[4], "soft"))
+			return CLI_CMD_SYNTAX;
+	} else if (f_cnt != 4)
+		return CLI_CMD_SYNTAX;
+			
+	re = pcre_compile2(f[3], 0, NULL, &pcre_err, &pcre_offset, NULL);
+	if (!re) {
+		cli_sendv(cli, "match: %s at %i\r\n", pcre_err, pcre_offset);
+		return CLI_CMD_OK;
+	}
+
+	pthread_rwlock_rdlock(&ppp_lock);
+	list_for_each_entry(ppp, &ppp_list, entry) {
+		if (pcre_exec(re, NULL, ppp->username, strlen(ppp->username), 0, 0, NULL, 0) < 0)
+			continue;
+		if (hard)
+			triton_context_call(ppp->ctrl->ctx, (triton_event_func)ppp_terminate_hard, ppp);
+		else
+			triton_context_call(ppp->ctrl->ctx, (triton_event_func)ppp_terminate_soft, ppp);
+	}
+	pthread_rwlock_unlock(&ppp_lock);
+	
+	pcre_free(re);
+	
+	return CLI_CMD_OK;
+}
+
+static int terminate_exec2(int key, char * const *f, int f_cnt, void *cli)
+{
+	struct ppp_t *ppp;
+	int hard = 0;
+	in_addr_t ipaddr = 0;
+	
+	if (f_cnt == 4) {
+		if (!strcmp(f[3], "hard"))
+			hard = 1;
+		else if (strcmp(f[3], "soft"))
+			return CLI_CMD_SYNTAX;
+	} else if (f_cnt != 3)
+		return CLI_CMD_SYNTAX;
+	
+	if (key == 1)
+		ipaddr = inet_addr(f[2]);
+			
+	pthread_rwlock_rdlock(&ppp_lock);
+	list_for_each_entry(ppp, &ppp_list, entry) {
+		switch (key) {
+			case 0:
+				if (strcmp(ppp->username, f[2]))
+					continue;
+				break;
+			case 1:
+				if (ppp->peer_ipaddr != ipaddr)
+					continue;
+				break;
+			case 2:
+				if (strcmp(ppp->ctrl->calling_station_id, f[2]))
+					continue;
+				break;
+			case 3:
+				if (strcmp(ppp->sessionid, f[2]))
+					continue;
+				break;
+			case 4:
+				if (strcmp(ppp->ifname, f[2]))
+					continue;
+				break;
+		}
+		if (hard)
+			triton_context_call(ppp->ctrl->ctx, (triton_event_func)ppp_terminate_hard, ppp);
+		else
+			triton_context_call(ppp->ctrl->ctx, (triton_event_func)ppp_terminate_soft, ppp);
+		break;
+	}
+	pthread_rwlock_unlock(&ppp_lock);
+
+	return CLI_CMD_OK;
+}
+
+static int terminate_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
+{
+	struct ppp_t *ppp;
+	int hard = 0;
+
+	if (fields_cnt == 1)
+		return CLI_CMD_SYNTAX;
+	
+	if (!strcmp(fields[1], "match") && fields_cnt > 3 && !strcmp(fields[2], "username"))
+		return terminate_exec1(fields, fields_cnt, client);
+	else if (!strcmp(fields[1], "username"))
+		return terminate_exec2(0, fields, fields_cnt, client);
+	else if (!strcmp(fields[1], "ip"))
+		return terminate_exec2(1, fields, fields_cnt, client);
+	else if (!strcmp(fields[1], "csid"))
+		return terminate_exec2(2, fields, fields_cnt, client);
+	else if (!strcmp(fields[1], "sid"))
+		return terminate_exec2(3, fields, fields_cnt, client);
+	else if (!strcmp(fields[1], "if"))
+		return terminate_exec2(4, fields, fields_cnt, client);
+	else if (strcmp(fields[1], "all"))
+		return CLI_CMD_SYNTAX;
+	
+	if (fields_cnt == 3) {
+		if (!strcmp(fields[2], "hard"))
+			hard = 1;
+		else if (strcmp(fields[2], "soft"))
+			return CLI_CMD_SYNTAX;
+	} else if (fields_cnt != 2)
+		return CLI_CMD_SYNTAX;
+	
+	pthread_rwlock_rdlock(&ppp_lock);
+	list_for_each_entry(ppp, &ppp_list, entry) {
+		if (hard)
+			triton_context_call(ppp->ctrl->ctx, (triton_event_func)ppp_terminate_hard, ppp);
+		else
+			triton_context_call(ppp->ctrl->ctx, (triton_event_func)ppp_terminate_soft, ppp);
+	}
+	pthread_rwlock_unlock(&ppp_lock);
+
+	return CLI_CMD_OK;
+}
+
+static void terminate_help(char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "terminate if <interface> [soft|hard]- terminate session by interface name\r\n");
+	cli_send(client, "\t[match] username <username> [soft|hard]- terminate session by username\r\n");
+	cli_send(client, "\tip <addresss> [soft|hard]- terminate session by ip address\r\n");
+	cli_send(client, "\tcsid <id> [soft|hard]- terminate session by calling station id\r\n");
+	cli_send(client, "\tsid <id> [soft|hard]- terminate session by session id\r\n");
+	cli_send(client, "\tall [soft|hard]- terminate all sessions\r\n");
+}
+
+//=============================
+
+static void shutdown_help(char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "shutdown [soft|hard|cancel]- shutdown daemon\r\n");
+	cli_send(client, "\t\tdefault action - send termination signals to all clients and wait everybody disconnects\r\n");
+	cli_send(client, "\t\tsoft - wait until all clients disconnects, don't accept new connections\r\n");
+	cli_send(client, "\t\thard - shutdown now, don't wait anything\r\n");
+	cli_send(client, "\t\tcancel - cancel 'shutdown soft' and return to normal operation\r\n");
+}
+
+static void ppp_terminate_soft2(struct ppp_t *ppp)
+{
+	ppp_terminate(ppp, TERM_NAS_REBOOT, 0);
+}
+
+static void ppp_terminate_hard2(struct ppp_t *ppp)
+{
+	ppp_terminate(ppp, TERM_NAS_REBOOT, 1);
+}
+
+static int shutdown_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	int hard = 0;
+	struct ppp_t *ppp;
+
+	if (f_cnt == 2) {
+		if (!strcmp(f[1], "soft")) {
+			ppp_shutdown_soft();
+			return CLI_CMD_OK;
+		} else if (!strcmp(f[1], "hard"))
+			hard = 1;
+		else if (!strcmp(f[1], "cancel")) {
+			ppp_shutdown = 0;
+			return CLI_CMD_OK;
+		} else
+			return CLI_CMD_SYNTAX;
+	}
+
+	ppp_shutdown_soft();
+
+	pthread_rwlock_rdlock(&ppp_lock);
+	list_for_each_entry(ppp, &ppp_list, entry) {
+		if (hard)
+			triton_context_call(ppp->ctrl->ctx, (triton_event_func)ppp_terminate_hard2, ppp);
+		else
+			triton_context_call(ppp->ctrl->ctx, (triton_event_func)ppp_terminate_soft2, ppp);
+	}
+	pthread_rwlock_unlock(&ppp_lock);
+
+	return CLI_CMD_OK;
+}
+
+//==========================
+static int conf_reload_res;
+static struct triton_context_t *conf_reload_ctx;
+static void conf_reload_notify(int r)
+{
+	if (!r)
+		triton_event_fire(EV_CONFIG_RELOAD, NULL);
+	conf_reload_res = r;
+	triton_context_wakeup(conf_reload_ctx);
+}
+static int reload_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	if (f_cnt == 1) {
+		conf_reload_ctx = triton_context_self();
+		triton_conf_reload(conf_reload_notify);
+		triton_context_schedule();
+		if (conf_reload_res)
+			cli_send(cli, "failed\r\n");
+		return CLI_CMD_OK;
+	} else
+		return CLI_CMD_SYNTAX;
+}
+
+static void reload_help(char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "reload - reload config file\r\n");
+}
+
+static void __init init(void)
+{
+	cli_register_simple_cmd2(show_stat_exec, show_stat_help, 2, "show", "stat");
+	cli_register_simple_cmd2(terminate_exec, terminate_help, 1, "terminate");
+	cli_register_simple_cmd2(reload_exec, reload_help, 1, "reload");
+	cli_register_simple_cmd2(shutdown_exec, shutdown_help, 1, "shutdown");
+	cli_register_simple_cmd2(exit_exec, exit_help, 1, "exit");
+}
+
diff --git a/accel-pppd/cli/tcp.c b/accel-pppd/cli/tcp.c
new file mode 100644
index 0000000..260225f
--- /dev/null
+++ b/accel-pppd/cli/tcp.c
@@ -0,0 +1,371 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <time.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+#include "triton.h"
+#include "log.h"
+#include "list.h"
+#include "memdebug.h"
+
+#include "cli_p.h"
+
+#define RECV_BUF_SIZE 1024
+
+struct tcp_client_t
+{
+	struct cli_client_t cli_client;
+	struct list_head entry;
+	struct triton_md_handler_t hnd;
+	struct list_head xmit_queue;
+	struct buffer_t *xmit_buf;
+	uint8_t *cmdline;
+	int xmit_pos;
+	int recv_pos;
+	int auth:1;
+	int disconnect:1;
+};
+
+struct buffer_t
+{
+	struct list_head entry;
+	int size;
+	uint8_t buf[0];
+};
+
+static struct triton_context_t serv_ctx;
+static struct triton_md_handler_t serv_hnd;
+static LIST_HEAD(clients);
+
+static uint8_t *temp_buf;
+
+static void disconnect(struct tcp_client_t *cln)
+{
+	struct buffer_t *b;
+
+	log_debug("cli: disconnect\n");
+
+	list_del(&cln->entry);
+
+	triton_md_unregister_handler(&cln->hnd);
+	close(cln->hnd.fd);
+
+	if (cln->xmit_buf)
+		_free(cln->xmit_buf);
+
+	while (!list_empty(&cln->xmit_queue)) {
+		b = list_entry(cln->xmit_queue.next, typeof(*b), entry);
+		list_del(&b->entry);
+		_free(b);
+	}
+
+	_free(cln->cmdline);
+	_free(cln);
+}
+
+static void cli_client_disconnect(struct cli_client_t *tcln)
+{
+	struct tcp_client_t *cln = container_of(tcln, typeof(*cln), cli_client);
+	cln->disconnect = 1;
+}
+
+static void queue_buffer(struct tcp_client_t *cln, struct buffer_t *b)
+{
+	if (cln->xmit_buf)
+		list_add_tail(&b->entry, &cln->xmit_queue);
+	else
+		cln->xmit_buf = b;
+}
+
+static int cli_client_send(struct cli_client_t *tcln, const void *_buf, int size)
+{
+	struct tcp_client_t *cln = container_of(tcln, typeof(*cln), cli_client);
+	int n, k;
+	struct buffer_t *b;
+	const uint8_t *buf = (const uint8_t *)_buf;
+
+	if (cln->disconnect)
+		return -1;
+	
+	if (!list_empty(&cln->xmit_queue)) {
+		b = _malloc(sizeof(*b) + size);
+		b->size = size;
+		memcpy(b->buf, buf, size);
+		queue_buffer(cln, b);
+		return 0;
+	}
+
+	for (n = 0; n < size; n += k) {
+		k = write(cln->hnd.fd, buf + n, size - n);
+		if (k < 0) {
+			if (errno == EAGAIN) {
+				b = _malloc(sizeof(*b) + size - n);
+				b->size = size - n;
+				memcpy(b->buf, buf, size - n);
+				queue_buffer(cln, b);
+
+				triton_md_enable_handler(&cln->hnd, MD_MODE_WRITE);
+				break;
+			}
+			if (errno != EPIPE)
+				log_error("cli: write: %s\n", strerror(errno));
+			//disconnect(cln);
+			cln->disconnect = 1;
+			return -1;
+		}
+	}
+	return 0;
+}
+
+static int cli_client_sendv(struct cli_client_t *tcln, const char *fmt, va_list ap)
+{
+	struct tcp_client_t *cln = container_of(tcln, typeof(*cln), cli_client);
+	int r = vsnprintf((char *)temp_buf, RECV_BUF_SIZE, fmt, ap);
+
+	if (r >= RECV_BUF_SIZE) {
+		strcpy((char *)temp_buf + RECV_BUF_SIZE - 5, "...\n");
+		r = RECV_BUF_SIZE;
+	}
+
+	return cli_client_send(tcln, temp_buf, r);
+}
+
+static int cln_read(struct triton_md_handler_t *h)
+{
+	struct tcp_client_t *cln = container_of(h, typeof(*cln), hnd);
+	int n;
+	char *d;
+
+	while (1) {
+		n = read(h->fd, cln->cmdline + cln->recv_pos, RECV_BUF_SIZE - cln->recv_pos);
+		if (n == 0)
+			break;
+		if (n < 0) {
+			if (errno != EAGAIN)
+				log_error("cli: read: %s\n", strerror(errno));
+			return 0;
+		}
+
+		cln->recv_pos += n;
+		
+		while (cln->recv_pos) {
+			d = strchr((char *)cln->cmdline, '\n');
+			if (!d) {
+				if (cln->recv_pos == RECV_BUF_SIZE) {
+					log_warn("cli: tcp: recv buffer overflow\n");
+					goto drop;
+				}
+				break;
+			}
+
+			*d = 0;
+
+			if (!cln->auth) {
+				if (strcmp((char *)cln->cmdline, conf_cli_passwd))
+					goto drop;
+				cln->auth = 1;
+			} else
+				cli_process_cmd(&cln->cli_client);
+
+			if (cln->disconnect)
+				goto drop;
+
+			cln->recv_pos -= (uint8_t *)d + 1 - cln->cmdline;
+			memmove(cln->cmdline, d + 1, cln->recv_pos);
+		}
+	}
+
+drop:
+	disconnect(cln);
+	return -1;
+}
+
+static int cln_write(struct triton_md_handler_t *h)
+{
+	struct tcp_client_t *cln = container_of(h, typeof(*cln), hnd);
+	int k;
+	
+	while (1) {
+		for (; cln->xmit_pos < cln->xmit_buf->size; cln->xmit_pos += k) {
+			k = write(cln->hnd.fd, cln->xmit_buf->buf + cln->xmit_pos, cln->xmit_buf->size - cln->xmit_pos);
+			if (k < 0) {
+				if (errno == EAGAIN)
+					return 0;
+				if (errno != EPIPE)
+					log_error("cli: tcp: write: %s\n", strerror(errno));
+				disconnect(cln);
+				return -1;
+			}
+		}
+
+		_free(cln->xmit_buf);
+		cln->xmit_pos = 0;
+
+		if (list_empty(&cln->xmit_queue))
+			break;
+
+		cln->xmit_buf = list_entry(cln->xmit_queue.next, typeof(*cln->xmit_buf), entry);
+		list_del(&cln->xmit_buf->entry);
+	}
+
+	triton_md_disable_handler(&cln->hnd, MD_MODE_WRITE);
+
+	return 0;
+}
+
+static int serv_read(struct triton_md_handler_t *h)
+{
+  struct sockaddr_in addr;
+	socklen_t size = sizeof(addr);
+	int sock;
+	struct tcp_client_t *conn;
+
+	while(1) {
+		sock = accept(h->fd, (struct sockaddr *)&addr, &size);
+		if (sock < 0) {
+			if (errno == EAGAIN)
+				return 0;
+			log_error("cli: tcp: accept failed: %s\n", strerror(errno));
+			continue;
+		}
+
+		log_info2("cli: tcp: new connection from %s\n", inet_ntoa(addr.sin_addr));
+
+		if (fcntl(sock, F_SETFL, O_NONBLOCK)) {
+			log_error("cli: tcp: failed to set nonblocking mode: %s, closing connection...\n", strerror(errno));
+			close(sock);
+			continue;
+		}
+
+		conn = _malloc(sizeof(*conn));
+		memset(conn, 0, sizeof(*conn));
+		conn->hnd.fd = sock;
+		conn->hnd.read = cln_read;
+		conn->hnd.write = cln_write;
+		conn->cmdline = _malloc(RECV_BUF_SIZE);
+		INIT_LIST_HEAD(&conn->xmit_queue);
+
+		conn->cli_client.cmdline = conn->cmdline;
+		conn->cli_client.send = cli_client_send;
+		conn->cli_client.sendv = cli_client_sendv;
+		conn->cli_client.disconnect = cli_client_disconnect;
+
+		triton_md_register_handler(&serv_ctx, &conn->hnd);
+		triton_md_enable_handler(&conn->hnd,MD_MODE_READ);
+
+		list_add_tail(&conn->entry, &clients);
+
+		if (!conf_cli_passwd)
+			conn->auth = 1;
+	}
+	return 0;
+}
+
+static void serv_close(struct triton_context_t *ctx)
+{
+	struct tcp_client_t *cln;
+
+	while (!list_empty(&clients)) {
+		cln = list_entry(clients.next, typeof(*cln), entry);
+		disconnect(cln);
+	}
+
+	triton_md_unregister_handler(&serv_hnd);
+	close(serv_hnd.fd);
+	triton_context_unregister(ctx);
+}
+
+static struct triton_context_t serv_ctx = {
+	.close = serv_close,
+	.before_switch = log_switch,
+};
+
+static struct triton_md_handler_t serv_hnd = {
+	.read = serv_read,
+};
+
+static void start_server(const char *host, int port)
+{
+  struct sockaddr_in addr;
+
+	serv_hnd.fd = socket(PF_INET, SOCK_STREAM, 0);
+  if (serv_hnd.fd < 0) {
+    log_emerg("cli: tcp: failed to create server socket: %s\n", strerror(errno));
+    return;
+  }
+
+	memset(&addr, 0, sizeof(addr));
+  addr.sin_family = AF_INET;
+  addr.sin_port = htons(port);
+	if (host)
+		addr.sin_addr.s_addr = inet_addr(host);
+	else
+		addr.sin_addr.s_addr = htonl(INADDR_ANY);
+
+  setsockopt(serv_hnd.fd, SOL_SOCKET, SO_REUSEADDR, &serv_hnd.fd, 4);  
+  if (bind (serv_hnd.fd, (struct sockaddr *) &addr, sizeof (addr)) < 0) {
+    log_emerg("cli: tcp: failed to bind socket: %s\n", strerror(errno));
+		close(serv_hnd.fd);
+    return;
+	}
+
+  if (listen (serv_hnd.fd, 1) < 0) {
+    log_emerg("cli: tcp: failed to listen socket: %s\n", strerror(errno));
+		close(serv_hnd.fd);
+    return;
+  }
+
+	if (fcntl(serv_hnd.fd, F_SETFL, O_NONBLOCK)) {
+    log_emerg("cli: tcp: failed to set nonblocking mode: %s\n", strerror(errno));
+		close(serv_hnd.fd);
+    return;
+	}
+	
+  addr.sin_family = AF_INET;
+  addr.sin_port = htons(port);
+	addr.sin_addr.s_addr = inet_addr(host);
+
+	triton_context_register(&serv_ctx, NULL);
+	triton_context_set_priority(&serv_ctx, 1);
+	triton_md_register_handler(&serv_ctx, &serv_hnd);
+	triton_md_enable_handler(&serv_hnd, MD_MODE_READ);
+	triton_context_wakeup(&serv_ctx);
+}
+
+static void __init init(void)
+{
+	const char *opt;
+	char *host, *d;
+	int port;
+
+	opt = conf_get_opt("cli", "tcp");
+	if (!opt)
+		return;
+
+	host = strdup(opt);
+	d = strstr(host, ":");
+	if (!d)
+		goto err_fmt;
+
+	*d = 0;
+	port = atoi(d + 1);
+	if (port <= 0)
+		goto err_fmt;
+
+	temp_buf = malloc(RECV_BUF_SIZE);
+
+	start_server(host, port);
+	
+	return;
+err_fmt:
+	log_emerg("cli: tcp: invalid format\n");
+	free(host);
+}
+
diff --git a/accel-pppd/cli/telnet.c b/accel-pppd/cli/telnet.c
new file mode 100644
index 0000000..5176df2
--- /dev/null
+++ b/accel-pppd/cli/telnet.c
@@ -0,0 +1,757 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <time.h>
+#include <ctype.h>
+#include <arpa/inet.h>
+#include <arpa/telnet.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "triton.h"
+#include "log.h"
+#include "ppp.h"
+#include "list.h"
+#include "memdebug.h"
+
+#include "cli_p.h"
+
+#define RECV_BUF_SIZE 1024
+
+#define MSG_AUTH_FAILED "\r\nAuthentication failed\r\n"
+#define MSG_SHUTDOWN_IN_PROGRESS "note: 'shutdown soft' is in progress...\r\n"
+
+#define ESC_LEFT "[D"
+#define ESC_RIGHT "[C"
+#define ESC_UP "[A"
+#define ESC_DOWN "[B"
+
+struct telnet_client_t
+{
+	struct cli_client_t cli_client;
+	struct list_head entry;
+	struct triton_md_handler_t hnd;
+	struct list_head xmit_queue;
+	struct buffer_t *xmit_buf;
+	int xmit_pos;
+	struct list_head history;
+	struct list_head *history_pos;
+	uint8_t *cmdline;
+	int cmdline_pos;
+	int cmdline_pos2;
+	int cmdline_len;
+	int auth:1;
+	int echo:1;
+	int telcmd:1;
+	int esc:1;
+	int disconnect:1;
+};
+
+struct buffer_t
+{
+	struct list_head entry;
+	int size;
+	struct buffer_t *p_buf;
+	uint8_t buf[0];
+};
+
+static struct triton_context_t serv_ctx;
+static struct triton_md_handler_t serv_hnd;
+static LIST_HEAD(clients);
+
+static uint8_t *recv_buf;
+static uint8_t *temp_buf;
+
+static int conf_history_len = 100;
+static const char *conf_history_file = "/var/run/accel-ppp/history";
+static LIST_HEAD(history);
+static int history_len;
+static pthread_mutex_t history_lock = PTHREAD_MUTEX_INITIALIZER;
+
+static void disconnect(struct telnet_client_t *cln)
+{
+	struct buffer_t *b, *b2;
+
+	log_debug("cli: disconnect\n");
+
+	triton_stop_collect_cpu_usage();
+
+	list_del(&cln->entry);
+
+	triton_md_unregister_handler(&cln->hnd);
+	close(cln->hnd.fd);
+
+	if (cln->xmit_buf)
+		_free(cln->xmit_buf);
+
+	while (!list_empty(&cln->xmit_queue)) {
+		b = list_entry(cln->xmit_queue.next, typeof(*b), entry);
+		list_del(&b->entry);
+		_free(b);
+	}
+
+	pthread_mutex_lock(&history_lock);
+	while (!list_empty(&cln->history)) {
+		b = list_entry(cln->history.prev, typeof(*b), entry);
+		list_del(&b->entry);
+		if (!b->p_buf) {
+			if (history_len == conf_history_len) {
+				b2 = list_entry(history.next, typeof(*b2), entry);
+				list_del(&b2->entry);
+				_free(b2);
+			} else
+				history_len++;
+			list_add_tail(&b->entry, &history);
+		} else
+			_free(b);
+	}
+	pthread_mutex_unlock(&history_lock);
+
+	_free(cln->cmdline);
+	_free(cln);
+}
+
+static void cli_client_disconnect(struct cli_client_t *tcln)
+{
+	struct telnet_client_t *cln = container_of(tcln, typeof(*cln), cli_client);
+	cln->disconnect = 1;
+}
+
+static void queue_buffer(struct telnet_client_t *cln, struct buffer_t *b)
+{
+	if (cln->xmit_buf)
+		list_add_tail(&b->entry, &cln->xmit_queue);
+	else
+		cln->xmit_buf = b;
+}
+
+static int telnet_send(struct telnet_client_t *cln, const void *_buf, int size)
+{
+	int n, k;
+	struct buffer_t *b;
+	const uint8_t *buf = (const uint8_t *)_buf;
+
+	if (cln->disconnect)
+		return -1;
+	
+	if (!list_empty(&cln->xmit_queue)) {
+		b = _malloc(sizeof(*b) + size);
+		b->size = size;
+		memcpy(b->buf, buf, size);
+		queue_buffer(cln, b);
+		return 0;
+	}
+
+	for (n = 0; n < size; n += k) {
+		k = write(cln->hnd.fd, buf + n, size - n);
+		if (k < 0) {
+			if (errno == EAGAIN) {
+				b = _malloc(sizeof(*b) + size - n);
+				b->size = size - n;
+				memcpy(b->buf, buf, size - n);
+				queue_buffer(cln, b);
+
+				triton_md_enable_handler(&cln->hnd, MD_MODE_WRITE);
+				break;
+			}
+			if (errno != EPIPE)
+				log_error("cli: write: %s\n", strerror(errno));
+			//disconnect(cln);
+			cln->disconnect = 1;
+			return -1;
+		}
+	}
+	return 0;
+}
+
+static int cli_client_send(struct cli_client_t *tcln, const void *buf, int size)
+{
+	struct telnet_client_t *cln = container_of(tcln, typeof(*cln), cli_client);
+	return telnet_send(cln, buf, size);
+}
+
+static int cli_client_sendv(struct cli_client_t *tcln, const char *fmt, va_list ap)
+{
+	struct telnet_client_t *cln = container_of(tcln, typeof(*cln), cli_client);
+	int r = vsnprintf((char *)temp_buf, RECV_BUF_SIZE, fmt, ap);
+
+	if (r >= RECV_BUF_SIZE) {
+		strcpy((char *)temp_buf + RECV_BUF_SIZE - 6, "...\r\n");
+		r = RECV_BUF_SIZE;
+	}
+
+	return telnet_send(cln, temp_buf, r);
+}
+
+static int send_banner(struct telnet_client_t *cln)
+{
+	if (telnet_send(cln, "accel-ppp version " ACCEL_PPP_VERSION "\r\n", sizeof("accel-ppp version " ACCEL_PPP_VERSION "\r\n")))
+		return -1;
+	return 0;
+}
+
+static int send_config(struct telnet_client_t *cln)
+{
+	uint8_t buf[] = {IAC, WILL, TELOPT_ECHO, IAC, WILL,	TELOPT_SGA, IAC, DONT, TELOPT_LINEMODE};
+	return telnet_send(cln, buf, sizeof(buf));
+}
+
+static int send_password_request(struct telnet_client_t *cln)
+{
+	uint8_t buf0[] = {IAC, WILL, TELOPT_ECHO};
+	uint8_t buf1[] = "Password: ";
+
+	if (telnet_send(cln, buf0, sizeof(buf0)))
+		return -1;
+	
+	if (telnet_send(cln, buf1, sizeof(buf1)))
+		return -1;
+	
+	return 0;
+}
+
+static int send_prompt(struct telnet_client_t *cln)
+{
+	sprintf((char *)temp_buf, "%s%s# ", conf_cli_prompt, ppp_shutdown ? "(shutdown)" : "");
+	return telnet_send(cln, temp_buf, strlen((char *)temp_buf));
+}
+
+/*static void print_buf(const uint8_t *buf, int size)
+{
+	int i;
+
+	for (i = 0; i < size; i++)
+		log_debug("%x ", buf[i]);
+	log_debug("\n");
+}*/
+
+static int send_cmdline_tail(struct telnet_client_t *cln, int corr)
+{
+	if (telnet_send(cln, cln->cmdline + cln->cmdline_pos, cln->cmdline_len - cln->cmdline_pos))
+		return -1;
+
+	memset(temp_buf, '\b', cln->cmdline_len - cln->cmdline_pos - corr);
+	
+	if (telnet_send(cln, temp_buf, cln->cmdline_len - cln->cmdline_pos - corr))
+		return -1;
+	
+	return 0;
+}
+
+static int load_history(struct telnet_client_t *cln)
+{
+	struct buffer_t *b = list_entry(cln->history_pos, typeof(*b), entry);
+	if (b->size < cln->cmdline_len) {
+		memset(temp_buf, '\b', cln->cmdline_len - b->size);
+		memset(temp_buf + cln->cmdline_len - b->size, ' ', cln->cmdline_len - b->size);
+		if (telnet_send(cln, temp_buf, (cln->cmdline_len - b->size) * 2))
+			return -1;
+	}
+	if (telnet_send(cln, "\r", 1))
+		return -1;
+	if (send_prompt(cln))
+		return -1;
+	memcpy(cln->cmdline, b->p_buf ? b->p_buf->buf : b->buf, b->size);
+	cln->cmdline_pos = b->size;
+	cln->cmdline_len = b->size;
+	if (telnet_send(cln, b->p_buf ? b->p_buf->buf : b->buf, b->size))
+		return -1;
+
+	return 0;
+}
+
+static int telnet_input_char(struct telnet_client_t *cln, uint8_t c)
+{
+	uint8_t buf[] = {IAC, DONT, 0};
+	struct buffer_t *b;
+
+	if (c == '\n')
+		return 0;
+	
+	if (c == '\r') {
+		cln->cmdline[cln->cmdline_len] = 0;
+
+		if (cln->echo) {
+			if (telnet_send(cln, "\r\n", 2))
+				return -1;
+		}
+
+		if (!cln->auth) {
+			if (strcmp((char *)cln->cmdline, conf_cli_passwd)) {
+				if (telnet_send(cln, MSG_AUTH_FAILED, sizeof(MSG_AUTH_FAILED)))
+					return -1;
+				cln->disconnect = 1;
+				return -1;
+			}
+			cln->auth = 1;
+			if (ppp_shutdown) {
+				if (telnet_send(cln, MSG_SHUTDOWN_IN_PROGRESS, sizeof(MSG_SHUTDOWN_IN_PROGRESS)))
+					return -1;
+			}
+		} else if (cln->cmdline_len) {
+			b = _malloc(sizeof(*b) + cln->cmdline_len);
+			b->p_buf = NULL;
+			memcpy(b->buf, cln->cmdline, cln->cmdline_len);
+			b->size = cln->cmdline_len;
+			list_add(&b->entry, cln->history.next);
+			cln->history_pos = cln->history.next;
+			
+			if (cli_process_cmd(&cln->cli_client))
+				return -1;
+		}
+	
+		cln->cmdline_pos = 0;
+		cln->cmdline_len = 0;
+
+		return send_prompt(cln);
+	}
+
+	if (cln->telcmd) {
+		if (cln->cmdline_pos2 == RECV_BUF_SIZE - 1) {
+			log_error("cli: buffer overflow, dropping connection ...\n");
+			disconnect(cln);
+			return -1;
+		}
+
+		cln->cmdline[cln->cmdline_pos2] = c;
+		cln->cmdline_pos2++;
+
+		if (cln->cmdline[cln->cmdline_len] >= WILL && cln->cmdline[cln->cmdline_len] <= DONT && cln->cmdline_pos2 - cln->cmdline_len != 2)
+			return 0;
+
+		switch (cln->cmdline[cln->cmdline_len]) {
+			case WILL:
+			case WONT:
+				buf[2] = c;
+				if (telnet_send(cln, buf, 3))
+					return -1;
+				break;
+			case DO:
+				if (c == TELOPT_ECHO)
+					cln->echo = 1;
+				break;
+			case SB:
+				if (c != SE)
+					return 0;
+		}
+		
+		cln->telcmd = 0;
+	} else if (cln->esc) {
+		if (cln->cmdline_pos2 == RECV_BUF_SIZE - 1) {
+			log_error("cli: buffer overflow, dropping connection ...\n");
+			disconnect(cln);
+			return -1;
+		}
+
+		cln->cmdline[cln->cmdline_pos2] = c;
+		cln->cmdline_pos2++;
+
+		if (cln->cmdline_pos2 - cln->cmdline_len != 2)
+			return 0;
+		
+		cln->esc = 0;
+
+		if (cln->auth) {
+			if (!memcmp(cln->cmdline + cln->cmdline_len, ESC_LEFT, 2)) {
+				if (cln->cmdline_pos) {
+					if (telnet_send(cln, "\b", 1))
+						return -1;
+					cln->cmdline_pos--;
+				}
+			} else if (!memcmp(cln->cmdline + cln->cmdline_len, ESC_RIGHT, 2)) {
+				if (cln->cmdline_pos < cln->cmdline_len) {
+					if (send_cmdline_tail(cln, 1))
+						return -1;
+					cln->cmdline_pos++;
+				}
+			} else if (!memcmp(cln->cmdline + cln->cmdline_len, ESC_UP, 2)) {
+				if (cln->history_pos == cln->history.next) {
+					b = list_entry(cln->history_pos, typeof(*b), entry);
+					memcpy(b->buf, cln->cmdline, cln->cmdline_len);
+					b->size = cln->cmdline_len;
+				}
+				cln->history_pos = cln->history_pos->next;
+				if (cln->history_pos == &cln->history) {
+					cln->history_pos = cln->history_pos->prev;
+					return 0;
+				}
+				if (load_history(cln))
+					return -1;
+			} else if (!memcmp(cln->cmdline + cln->cmdline_len, ESC_DOWN, 2)) {
+				cln->history_pos = cln->history_pos->prev;
+				if (cln->history_pos == &cln->history) {
+					cln->history_pos = cln->history_pos->next;
+					return 0;
+				}
+				if (load_history(cln))
+					return -1;
+			}
+		}
+	} else {
+		switch (c) {
+			case 0xff:
+				cln->cmdline_pos2 = cln->cmdline_len;
+				cln->telcmd = 1;
+				return 0;
+			case 0x1b:
+				cln->cmdline_pos2 = cln->cmdline_len;
+				cln->esc = 1;
+				return 0;
+			case 0x7f:
+				if (cln->cmdline_pos) {
+					if (cln->cmdline_pos < cln->cmdline_len) {
+						memmove(cln->cmdline + cln->cmdline_pos - 1, cln->cmdline + cln->cmdline_pos, cln->cmdline_len - cln->cmdline_pos);
+						
+						cln->cmdline[cln->cmdline_len - 1] = ' ';
+						
+						if (telnet_send(cln, "\b", 1))
+							return -1;
+					
+						cln->cmdline_pos--;
+					
+						if (send_cmdline_tail(cln, 0))
+							return -1;
+					} else {
+						buf[0] = '\b';
+						buf[1] = ' ';
+						buf[2] = '\b';
+						if (telnet_send(cln, buf, 3))
+							return -1;
+						cln->cmdline_pos--;
+					}
+
+					cln->cmdline_len--;
+				}
+				return 0;
+			case 3:
+				cln->disconnect = 1;
+				return -1;
+		}
+
+		if (isprint(c)) {
+			if (cln->cmdline_len == RECV_BUF_SIZE - 1)
+				return 0;
+
+			if (cln->cmdline_pos < cln->cmdline_len)
+				memmove(cln->cmdline + cln->cmdline_pos + 1, cln->cmdline + cln->cmdline_pos, cln->cmdline_len - cln->cmdline_pos);
+			cln->cmdline[cln->cmdline_pos] = c;
+			cln->cmdline_pos++;
+			cln->cmdline_len++;
+
+			if (cln->echo) {
+				if (!cln->auth) {
+					if (telnet_send(cln, "*", 1))
+						return -1;
+				} else {
+					if (telnet_send(cln, &c, 1))
+						return -1;
+				}
+			}
+			
+			if (cln->cmdline_pos < cln->cmdline_len) {
+				if (send_cmdline_tail(cln, 0))
+					return -1;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static int cln_read(struct triton_md_handler_t *h)
+{
+	struct telnet_client_t *cln = container_of(h, typeof(*cln), hnd);
+	int i, n;
+
+	while (1) {
+		n = read(h->fd, recv_buf, RECV_BUF_SIZE);
+		if (n == 0) {
+			disconnect(cln);
+			return -1;
+		}
+		if (n < 0) {
+			if (errno != EAGAIN)
+				log_error("cli: telnet: read: %s\n", strerror(errno));
+			return 0;
+		}
+		/*log_debug("cli: read(%i): ", n);
+		print_buf(cln->recv_buf + cln->recv_pos, n);*/
+		for (i = 0; i < n; i++) {
+			if (telnet_input_char(cln, recv_buf[i]))
+				break;
+		}
+		if (cln->disconnect) {
+			disconnect(cln);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+static int cln_write(struct triton_md_handler_t *h)
+{
+	struct telnet_client_t *cln = container_of(h, typeof(*cln), hnd);
+	int k;
+	
+	while (1) {
+		for (; cln->xmit_pos < cln->xmit_buf->size; cln->xmit_pos += k) {
+			k = write(cln->hnd.fd, cln->xmit_buf->buf + cln->xmit_pos, cln->xmit_buf->size - cln->xmit_pos);
+			if (k < 0) {
+				if (errno == EAGAIN)
+					return 0;
+				if (errno != EPIPE)
+					log_error("cli: telnet: write: %s\n", strerror(errno));
+				disconnect(cln);
+				return -1;
+			}
+		}
+
+		_free(cln->xmit_buf);
+		cln->xmit_pos = 0;
+
+		if (list_empty(&cln->xmit_queue))
+			break;
+
+		cln->xmit_buf = list_entry(cln->xmit_queue.next, typeof(*cln->xmit_buf), entry);
+		list_del(&cln->xmit_buf->entry);
+	}
+
+	triton_md_disable_handler(&cln->hnd, MD_MODE_WRITE);
+
+	return 0;
+}
+
+static int serv_read(struct triton_md_handler_t *h)
+{
+  struct sockaddr_in addr;
+	socklen_t size = sizeof(addr);
+	int sock;
+	struct telnet_client_t *conn;
+	struct buffer_t *b, *b2;
+
+	while(1) {
+		sock = accept(h->fd, (struct sockaddr *)&addr, &size);
+		if (sock < 0) {
+			if (errno == EAGAIN)
+				return 0;
+			log_error("cli: telnet: accept failed: %s\n", strerror(errno));
+			continue;
+		}
+
+		log_info2("cli: telnet: new connection from %s\n", inet_ntoa(addr.sin_addr));
+
+		if (fcntl(sock, F_SETFL, O_NONBLOCK)) {
+			log_error("cli: telnet: failed to set nonblocking mode: %s, closing connection...\n", strerror(errno));
+			close(sock);
+			continue;
+		}
+
+		conn = _malloc(sizeof(*conn));
+		memset(conn, 0, sizeof(*conn));
+		conn->hnd.fd = sock;
+		conn->hnd.read = cln_read;
+		conn->hnd.write = cln_write;
+		conn->cmdline = _malloc(RECV_BUF_SIZE);
+		INIT_LIST_HEAD(&conn->xmit_queue);
+		INIT_LIST_HEAD(&conn->history);
+
+		b = _malloc(sizeof(*b) + RECV_BUF_SIZE);
+		b->p_buf = b;
+		b->size = 0;
+		list_add_tail(&b->entry, &conn->history);
+
+		pthread_mutex_lock(&history_lock);
+		list_for_each_entry(b, &history, entry) {
+			b2 = _malloc(sizeof(*b));
+			b2->p_buf = b;
+			b2->size = b->size;
+			list_add(&b2->entry, conn->history.next);
+		}
+		pthread_mutex_unlock(&history_lock);
+		
+		conn->history_pos = conn->history.next;
+		
+		conn->cli_client.cmdline = conn->cmdline;
+		conn->cli_client.send = cli_client_send;
+		conn->cli_client.sendv = cli_client_sendv;
+		conn->cli_client.disconnect = cli_client_disconnect;
+
+		triton_md_register_handler(&serv_ctx, &conn->hnd);
+		triton_md_enable_handler(&conn->hnd,MD_MODE_READ);
+
+		list_add_tail(&conn->entry, &clients);
+
+		if (send_banner(conn))
+			continue;
+
+		if (send_config(conn))
+			continue;
+
+		if (conf_cli_passwd)
+			send_password_request(conn);
+		else {
+			conn->auth = 1;
+			if (ppp_shutdown) {
+				if (telnet_send(conn, MSG_SHUTDOWN_IN_PROGRESS, sizeof(MSG_SHUTDOWN_IN_PROGRESS)))
+					continue;
+			}
+			send_prompt(conn);
+		}
+		triton_collect_cpu_usage();
+	}
+	return 0;
+}
+static void serv_close(struct triton_context_t *ctx)
+{
+	struct telnet_client_t *cln;
+
+	while (!list_empty(&clients)) {
+		cln = list_entry(clients.next, typeof(*cln), entry);
+		disconnect(cln);
+	}
+
+	triton_md_unregister_handler(&serv_hnd);
+	close(serv_hnd.fd);
+	triton_context_unregister(ctx);
+}
+
+static struct triton_context_t serv_ctx = {
+	.close = serv_close,
+	.before_switch = log_switch,
+};
+
+static struct triton_md_handler_t serv_hnd = {
+	.read = serv_read,
+};
+
+static void start_server(const char *host, int port)
+{
+  struct sockaddr_in addr;
+
+	serv_hnd.fd = socket(PF_INET, SOCK_STREAM, 0);
+  if (serv_hnd.fd < 0) {
+    log_emerg("cli: telnet: failed to create server socket: %s\n", strerror(errno));
+    return;
+  }
+
+	memset(&addr, 0, sizeof(addr));
+  addr.sin_family = AF_INET;
+  addr.sin_port = htons(port);
+	if (host)
+		addr.sin_addr.s_addr = inet_addr(host);
+	else
+		addr.sin_addr.s_addr = htonl(INADDR_ANY);
+
+  setsockopt(serv_hnd.fd, SOL_SOCKET, SO_REUSEADDR, &serv_hnd.fd, 4);  
+  if (bind (serv_hnd.fd, (struct sockaddr *) &addr, sizeof (addr)) < 0) {
+    log_emerg("cli: telnet: failed to bind socket: %s\n", strerror(errno));
+		close(serv_hnd.fd);
+    return;
+	}
+
+  if (listen (serv_hnd.fd, 1) < 0) {
+    log_emerg("cli: telnet: failed to listen socket: %s\n", strerror(errno));
+		close(serv_hnd.fd);
+    return;
+  }
+
+	if (fcntl(serv_hnd.fd, F_SETFL, O_NONBLOCK)) {
+    log_emerg("cli: telnet: failed to set nonblocking mode: %s\n", strerror(errno));
+		close(serv_hnd.fd);
+    return;
+	}
+	
+  addr.sin_family = AF_INET;
+  addr.sin_port = htons(port);
+	addr.sin_addr.s_addr = inet_addr(host);
+
+	triton_context_register(&serv_ctx, NULL);
+	triton_context_set_priority(&serv_ctx, 1);
+	triton_md_register_handler(&serv_ctx, &serv_hnd);
+	triton_md_enable_handler(&serv_hnd, MD_MODE_READ);
+	triton_context_wakeup(&serv_ctx);
+}
+
+static void save_history_file(void)
+{
+	int fd;
+	struct buffer_t *b;
+
+	fd = open(conf_history_file, O_WRONLY | O_TRUNC | O_CREAT, S_IREAD | S_IWRITE);
+	if (!fd)
+		return;
+
+	list_for_each_entry(b, &history, entry) {
+		b->buf[b->size] = '\n';
+		write(fd, b->buf, b->size + 1);
+	}
+
+	close(fd);
+}
+
+static void load_history_file(void)
+{
+	struct buffer_t *b;
+	FILE *f;
+
+	f = fopen(conf_history_file, "r");
+	if (!f)
+		return;
+	
+	while (fgets((char *)temp_buf, RECV_BUF_SIZE, f)) {
+		b = _malloc(sizeof(*b) + strlen((char *)temp_buf));
+		b->p_buf = NULL;
+		b->size = strlen((char *)temp_buf) - 1;
+		memcpy(b->buf, temp_buf, b->size);
+		list_add_tail(&b->entry, &history);
+	}
+
+	fclose(f);
+}
+
+static void __init init(void)
+{
+	const char *opt;
+	char *host, *d;
+	int port;
+
+	opt = conf_get_opt("cli", "telnet");
+	if (!opt)
+		return;
+		
+	host = strdup(opt);
+	d = strstr(host, ":");
+	if (!d)
+		goto err_fmt;
+	
+	*d = 0;
+	port = atoi(d + 1);
+	if (port <= 0)
+		goto err_fmt;
+
+	opt = conf_get_opt("cli", "history-file");
+	if (opt)
+		conf_history_file = _strdup(opt);
+
+	recv_buf = malloc(RECV_BUF_SIZE);
+	temp_buf = malloc(RECV_BUF_SIZE);
+
+	load_history_file();
+
+	start_server(host, port);
+	
+	atexit(save_history_file);
+	
+	return;
+err_fmt:
+	log_emerg("cli: telnet: invalid format\n");
+	free(host);
+}
+
diff --git a/accel-pppd/ctrl/CMakeLists.txt b/accel-pppd/ctrl/CMakeLists.txt
new file mode 100644
index 0000000..6b37bc4
--- /dev/null
+++ b/accel-pppd/ctrl/CMakeLists.txt
@@ -0,0 +1,3 @@
+ADD_SUBDIRECTORY(pptp)
+ADD_SUBDIRECTORY(pppoe)
+ADD_SUBDIRECTORY(l2tp)
diff --git a/accel-pppd/ctrl/l2tp/CMakeLists.txt b/accel-pppd/ctrl/l2tp/CMakeLists.txt
new file mode 100644
index 0000000..b295289
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/CMakeLists.txt
@@ -0,0 +1,17 @@
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+
+ADD_DEFINITIONS(-DDICTIONARY="${CMAKE_INSTALL_PREFIX}/share/accel-ppp/l2tp/dictionary")
+
+ADD_LIBRARY(l2tp SHARED
+	l2tp.c
+	dict.c
+	packet.c
+	#	netlink.c
+)
+#TARGET_LINK_LIBRARIES(l2tp nl nl-genl)
+
+INSTALL(TARGETS l2tp LIBRARY DESTINATION lib/accel-ppp)
+
+FILE(GLOB dict "${CMAKE_CURRENT_SOURCE_DIR}/dict/*")
+INSTALL(FILES ${dict} DESTINATION share/accel-ppp/l2tp)
+
diff --git a/accel-pppd/ctrl/l2tp/attr_defs.h b/accel-pppd/ctrl/l2tp/attr_defs.h
new file mode 100644
index 0000000..e799157
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/attr_defs.h
@@ -0,0 +1,73 @@
+#ifndef __ATTR_DEFS_H
+#define __ATTR_DEFS_H
+
+#define Message_Type 0
+#define Random_Vector 36
+#define Result_Code 1
+#define Protocol_Version 2
+#define Framing_Capabilities 3
+#define Bearer_Capabilities 4
+#define Tie_Breaker 5
+#define Firmware_Revision 6
+#define Host_Name 7
+#define Vendor_Name 8
+#define Assigned_Tunnel_ID 9
+#define Recv_Window_Size 10
+#define Challenge 11
+#define Challenge_Response 13
+#define Cause_Code 12
+#define Assigned_Session_ID 14
+#define Call_Serial_Number 15
+#define Minimum_BPS 16
+#define Maximum_BPS 17
+#define Bearer_Type 18
+#define Framing_Type 19
+#define Called_Number 21
+#define Calling_Number 22
+#define Sub_Address 23
+#define TX_Speed 24
+#define RX_Speed 38
+#define Physical_Channel_ID 25
+#define Private_Group_ID 37
+#define Sequencing_Required 39
+#define Init_Recv_LCP 26
+#define Last_Sent_LCP 27
+#define Last_Recv_LCP 28
+#define Proxy_Authen_Type 29
+#define Proxy_Authen_Name 30
+#define Proxy_Authen_Challenge 31
+#define Proxy_Authen_ID 32
+#define Proxy_Authen_Response 33
+#define Call_Errors 34
+#define ACCM 35
+#define Message_Type_Start_Ctrl_Conn_Request 1
+#define Message_Type_Start_Ctrl_Conn_Reply 2
+#define Message_Type_Start_Ctrl_Conn_Connected 3
+#define Message_Type_Stop_Ctrl_Conn_Notify 4
+#define Message_Type_Hello 6
+#define Message_Type_Outgoing_Call_Request 7
+#define Message_Type_Outgoing_Call_Reply 8
+#define Message_Type_Outgoing_Call_Connected 9
+#define Message_Type_Incoming_Call_Request 10
+#define Message_Type_Incoming_Call_Reply 11
+#define Message_Type_Incoming_Call_Connected 12
+#define Message_Type_Call_Disconnect_Notify 14
+#define Message_Type_WAN_Error_Notify 15
+#define Message_Type_Set_Link_Info 16
+#define Message_Digest 59
+#define Router_ID 60
+#define Assigned_Connection_ID 61
+#define Pseudowire_Capabilities 62
+#define Prefered_Language 72
+#define Local_Session_ID 63
+#define Remote_Session_ID 64
+#define Assigned_Cookie 65
+#define Remote_End_ID 66
+#define Pseudowire_Type 68
+#define L2_Specific_Sublayer 69
+#define Data_Sequencing 70
+#define TX_Connect_Speeed 74
+#define RX_Connect_Speeed 75
+#define Circuit_Status 71
+
+#endif
diff --git a/accel-pppd/ctrl/l2tp/dict.c b/accel-pppd/ctrl/l2tp/dict.c
new file mode 100644
index 0000000..c93ccd4
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/dict.c
@@ -0,0 +1,271 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <limits.h>
+#include <unistd.h>
+
+#include "list.h"
+#include "l2tp.h"
+#include "log.h"
+#include "triton.h"
+
+#include "memdebug.h"
+
+struct l2tp_dict_t
+{
+	struct list_head items;
+};
+
+static struct l2tp_dict_t *dict;
+
+#define BUF_SIZE 1024
+static char *path, *fname1, *buf;
+
+struct l2tp_dict_attr_t *l2tp_dict_find_attr_by_name(const char *name)
+{
+	struct l2tp_dict_attr_t *attr;
+
+	list_for_each_entry(attr, &dict->items, entry) {
+		if (!strcmp(attr->name, name))
+			return attr;
+	}
+
+	return NULL;
+}
+
+struct l2tp_dict_attr_t *l2tp_dict_find_attr_by_id(int id)
+{
+	struct l2tp_dict_attr_t *attr;
+
+	list_for_each_entry(attr, &dict->items, entry) {
+		if (attr->id == id)
+			return attr;
+	}
+
+	return NULL;
+}
+
+struct l2tp_dict_value_t *l2tp_dict_find_value(struct l2tp_dict_attr_t *attr, l2tp_value_t val)
+{
+	struct l2tp_dict_value_t *v;
+
+	list_for_each_entry(v, &attr->values, entry) {
+		switch (attr->type) {
+			case ATTR_TYPE_INT16:
+				if (v->val.int16 == val.int16)
+					return v;
+				break;
+			case ATTR_TYPE_INT32:
+				if (v->val.int32 == val.int32)
+					return v;
+				break;
+		}
+	}
+
+	return NULL;
+}
+
+static char *skip_word(char *ptr)
+{
+	for(; *ptr; ptr++)
+		if (*ptr == ' ' || *ptr == '\t' || *ptr == '\n') 
+			break;
+	return ptr;
+}
+
+static char *skip_space(char *ptr)
+{
+	for(; *ptr; ptr++)
+		if (*ptr != ' ' && *ptr != '\t')
+			break;
+	return ptr;
+}
+
+static int split(char *buf, char **ptr)
+{
+	int i;
+
+	for (i = 0; i < 6; i++) {
+		buf = skip_word(buf);
+		if (!*buf)
+			return i;
+		
+		*buf = 0;
+		
+		buf = skip_space(buf + 1);
+		if (!*buf)
+			return i;
+
+		ptr[i] = buf;
+	}
+
+	buf = skip_word(buf);
+	//if (*buf == '\n')
+		*buf = 0;
+	//else if (*buf)
+	//	return -1;
+
+	return i;
+}
+
+
+static int dict_load(const char *fname)
+{
+	FILE *f;
+	char *ptr[6], *endptr;
+	struct l2tp_dict_attr_t *attr;
+	struct l2tp_dict_value_t *value;
+	struct list_head *items;
+	int i, r, n = 0;
+
+	f = fopen(fname, "r");
+	if (!f) {
+		log_emerg("l2tp: open '%s': %s\n", fname, strerror(errno));
+		return -1;
+	}
+
+	items = &dict->items;
+	while (fgets(buf, BUF_SIZE, f)) {
+		n++;
+		if (buf[0] == '#' || buf[0] == '\n' || buf[0] == 0)
+			continue;
+
+		r = split(buf, ptr);
+
+		if (!strcmp(buf, "$INCLUDE")) {
+			if (r != 1)
+				goto out_syntax;
+
+			for (i = strlen(path) - 1; i; i--) {
+				if (path[i] == '/') {
+					path[i + 1] = 0;
+					break;
+				}
+			}
+
+			strcpy(fname1, path);
+			strcat(fname1, ptr[0]);
+
+			if (dict_load(fname1))
+				goto out_err;
+		} else if (!strcmp(buf, "ATTRIBUTE")) {
+			if (r < 3)
+				goto out_syntax;
+			
+			attr = malloc(sizeof(*attr));
+			memset(attr, 0, sizeof(*attr));
+			list_add_tail(&attr->entry, items);
+			INIT_LIST_HEAD(&attr->values);
+			
+			attr->name = strdup(ptr[0]);
+			attr->id = strtol(ptr[1], &endptr, 10);
+			if (*endptr != 0)
+				goto out_syntax;
+
+			if (!strcmp(ptr[2], "none"))
+				attr->type = ATTR_TYPE_NONE;
+			else if (!strcmp(ptr[2], "int16"))
+				attr->type = ATTR_TYPE_INT16;
+			else if (!strcmp(ptr[2], "int32"))
+				attr->type = ATTR_TYPE_INT32;
+			else if (!strcmp(ptr[2], "int64"))
+				attr->type = ATTR_TYPE_INT64;
+			else if (!strcmp(ptr[2], "octets"))
+				attr->type = ATTR_TYPE_OCTETS;
+			else if (!strcmp(ptr[2], "string"))
+				attr->type = ATTR_TYPE_STRING;
+			else
+				goto out_syntax;
+
+			attr->M = -1;
+			attr->H = -1;
+
+			for (i = 3; i < r; i++) {
+				if (!strcmp(ptr[i], "M=0"))
+					attr->M = 0;
+				else if (!strcmp(ptr[i], "M=1"))
+					attr->M = 1;
+				else if (!strcmp(ptr[i], "H=0"))
+					attr->H = 0;
+				else if (!strcmp(ptr[i], "H=1"))
+					attr->H = 1;
+				else
+					goto out_syntax;
+			}
+		} else if (!strcmp(buf, "VALUE")) {
+			if (r != 3)
+				goto out_syntax;
+			
+			attr = l2tp_dict_find_attr_by_name(ptr[0]);
+			if (!attr) {
+				log_emerg("l2tp:%s:%i: attribute not found\n", fname, n);
+				goto out_err;
+			}
+
+			value = malloc(sizeof(*value));
+			memset(value, 0, sizeof(*value));
+			list_add_tail(&value->entry, &attr->values);
+
+			value->name = strdup(ptr[1]);
+			switch (attr->type) {
+				case ATTR_TYPE_INT16:
+				case ATTR_TYPE_INT32:
+					value->val.int16 = strtol(ptr[2], &endptr, 10);
+					if (*endptr != 0)
+						goto out_syntax;
+					break;
+				case ATTR_TYPE_STRING:
+					value->val.string = strdup(ptr[2]);
+					break;
+			}
+		} else
+			goto out_syntax;
+	}
+
+	fclose(f);
+
+	return 0;
+
+out_syntax:
+	log_emerg("l2tp:%s:%i: syntaxis error\n", fname, n);
+out_err:
+	fclose(f);
+	return -1;
+}
+
+static int l2tp_dict_load(const char *fname)
+{
+	int r;
+
+	dict = _malloc(sizeof(*dict));
+	memset(dict, 0, sizeof(*dict));
+	INIT_LIST_HEAD(&dict->items);
+
+	path = _malloc(PATH_MAX);
+	fname1 = _malloc(PATH_MAX);
+	buf = _malloc(BUF_SIZE);
+
+	strcpy(path, fname);
+
+	r = dict_load(fname);
+
+	_free(buf);
+	_free(fname1);
+	_free(path);
+
+	return r;
+}
+
+static void __init dict_init(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("l2tp", "dictionary");
+	if (!opt)
+		opt = DICTIONARY;
+
+	if (l2tp_dict_load(opt))
+		_exit(EXIT_FAILURE);
+}
+
diff --git a/accel-pppd/ctrl/l2tp/dict/dictionary b/accel-pppd/ctrl/l2tp/dict/dictionary
new file mode 100644
index 0000000..f5d7c42
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/dict/dictionary
@@ -0,0 +1,2 @@
+$INCLUDE dictionary.rfc2661
+$INCLUDE dictionary.rfc3931
diff --git a/accel-pppd/ctrl/l2tp/dict/dictionary.rfc2661 b/accel-pppd/ctrl/l2tp/dict/dictionary.rfc2661
new file mode 100644
index 0000000..3fd9614
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/dict/dictionary.rfc2661
@@ -0,0 +1,55 @@
+ATTRIBUTE     Message-Type                0     int16     H=0
+ATTRIBUTE     Random-Vector              36     octets    M=1 H=0
+ATTRIBUTE     Result-Code                 1     octets    M=1 H=0
+ATTRIBUTE     Protocol-Version            2     int16     M=1 H=0
+ATTRIBUTE     Framing-Capabilities        3     int32     M=1
+ATTRIBUTE     Bearer-Capabilities         4     int32     M=1
+ATTRIBUTE     Tie-Breaker                 5     int64     M=0
+ATTRIBUTE     Firmware-Revision           6     int16     M=0
+ATTRIBUTE     Host-Name                   7     string    M=1
+ATTRIBUTE     Vendor-Name                 8     string    M=0
+ATTRIBUTE     Assigned-Tunnel-ID          9     int16     M=1
+ATTRIBUTE     Recv-Window-Size           10     int16     M=1
+ATTRIBUTE     Challenge                  11		  octets    M=1
+ATTRIBUTE     Challenge-Response         13     octets    M=1
+ATTRIBUTE     Cause-Code                 12     int32     M=1 H=0
+ATTRIBUTE     Assigned-Session-ID        14     int16     M=1
+ATTRIBUTE     Call-Serial-Number         15     int32     M=1
+ATTRIBUTE     Minimum-BPS                16     int32     M=1
+ATTRIBUTE     Maximum-BPS                17     int32     M=1
+ATTRIBUTE     Bearer-Type                18     int32     M=1
+ATTRIBUTE     Framing-Type               19     int32     M=1
+ATTRIBUTE     Called-Number              21     string    M=1
+ATTRIBUTE     Calling-Number             22     string    M=1
+ATTRIBUTE     Sub-Address                23     string    M=1
+ATTRIBUTE     TX-Speed                   24     int32     M=1
+ATTRIBUTE     RX-Speed                   38     int32     M=1
+ATTRIBUTE     Physical-Channel-ID        25     int32     M=0
+ATTRIBUTE     Private-Group-ID           37     int32     M=0
+ATTRIBUTE     Sequencing-Required        39     none      M=1 H=0
+ATTRIBUTE     Init-Recv-LCP              26     octets    M=0
+ATTRIBUTE     Last-Sent-LCP              27     octets    M=0
+ATTRIBUTE     Last-Recv-LCP              28     octets    M=0
+ATTRIBUTE     Proxy-Authen-Type          29     int16     M=0
+ATTRIBUTE     Proxy-Authen-Name          30     string    M=0
+ATTRIBUTE     Proxy-Authen-Challenge     31     octets    M=0
+ATTRIBUTE     Proxy-Authen-ID            32     int16     M=0
+ATTRIBUTE     Proxy-Authen-Response      33     octets    M=0
+ATTRIBUTE     Call-Errors                34     octets    M=1
+ATTRIBUTE     ACCM                       35     octets    M=1
+
+VALUE     Message-Type     Start-Ctrl-Conn-Request     1
+VALUE     Message-Type     Start-Ctrl-Conn-Reply       2
+VALUE     Message-Type     Start-Ctrl-Conn-Connected   3
+VALUE     Message-Type     Stop-Ctrl-Conn-Notify       4
+VALUE     Message-Type     Hello                       6
+VALUE     Message-Type     Outgoing-Call-Request       7
+VALUE     Message-Type     Outgoing-Call-Reply         8
+VALUE     Message-Type     Outgoing-Call-Connected     9
+VALUE     Message-Type     Incoming-Call-Request      10
+VALUE     Message-Type     Incoming-Call-Reply        11
+VALUE     Message-Type     Incoming-Call-Connected    12
+VALUE     Message-Type     Call-Disconnect-Notify     14
+VALUE     Message-Type     WAN-Error-Notify           15
+VALUE     Message-Type     Set-Link-Info              16
+
diff --git a/accel-pppd/ctrl/l2tp/dict/dictionary.rfc3931 b/accel-pppd/ctrl/l2tp/dict/dictionary.rfc3931
new file mode 100644
index 0000000..d6ad410
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/dict/dictionary.rfc3931
@@ -0,0 +1,15 @@
+ATTRIBUTE     Message-Digest               59      octets     M=1 H=0
+ATTRIBUTE     Router-ID                    60      int32      H=0
+ATTRIBUTE     Assigned-Connection-ID       61      int32
+ATTRIBUTE     Pseudowire-Capabilities      62      octets
+ATTRIBUTE     Prefered-Language            72      octets
+ATTRIBUTE     Local-Session-ID             63      int32
+ATTRIBUTE     Remote-Session-ID            64      int32
+ATTRIBUTE     Assigned-Cookie              65      octets
+ATTRIBUTE     Remote-End-ID                66      octets
+ATTRIBUTE     Pseudowire-Type              68      int16
+ATTRIBUTE     L2-Specific-Sublayer         69      int16
+ATTRIBUTE     Data-Sequencing              70      int16
+ATTRIBUTE     TX-Connect-Speeed            74      int64
+ATTRIBUTE     RX-Connect-Speeed            75      int64
+ATTRIBUTE     Circuit-Status               71      int16
diff --git a/accel-pppd/ctrl/l2tp/dict2c.py b/accel-pppd/ctrl/l2tp/dict2c.py
new file mode 100644
index 0000000..ff0961e
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/dict2c.py
@@ -0,0 +1,20 @@
+import sys,re
+
+hdr = file(sys.argv[2],'w')
+
+def process(fname, hdr):
+	for line in file(fname):
+		if line[:-1].strip() == '':
+			continue
+		if line[0] == '#':
+			continue
+		f = re.compile('[$.a-zA-Z0-9\-]+').findall(line)
+		if f[0] == 'ATTRIBUTE' or f[0] == 'VENDOR':
+			hdr.write('#define {0} {1}\n'.format(f[1].replace('-','_').replace('.','_'), f[2]))
+		elif f[0] == 'VALUE':
+			hdr.write('#define {0}_{1} {2}\n'.format(f[1].replace('-','_').replace('.','_'), f[2].replace('-','_'),f[3]))
+		elif f[0] == '$INCLUDE':
+			process(f[1], hdr)
+
+if __name__ == '__main__':
+	process(sys.argv[1], hdr)
diff --git a/accel-pppd/ctrl/l2tp/l2tp.c b/accel-pppd/ctrl/l2tp/l2tp.c
new file mode 100644
index 0000000..ca56051
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/l2tp.c
@@ -0,0 +1,1141 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <time.h>
+#include <pthread.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <linux/socket.h>
+#include <linux/if.h>
+#include <linux/if_ether.h>
+#include <linux/if_pppox.h>
+
+#include "triton.h"
+#include "mempool.h"
+#include "log.h"
+#include "ppp.h"
+#include "events.h"
+#include "utils.h"
+#include "iprange.h"
+#include "cli.h"
+
+#include "memdebug.h"
+
+#include "l2tp.h"
+#include "attr_defs.h"
+
+#ifndef SOL_PPPOL2TP
+#define SOL_PPPOL2TP 273
+#endif
+
+#define STATE_WAIT_SCCCN 1
+#define STATE_WAIT_ICRQ  2
+#define STATE_WAIT_ICCN  3
+#define STATE_WAIT_OCRP  4
+#define STATE_WAIT_OCCN  5
+#define STATE_ESTB       6
+#define STATE_PPP        7
+#define STATE_FIN        8
+#define STATE_CLOSE      0
+
+int conf_verbose = 0;
+int conf_timeout = 60;
+int conf_rtimeout = 5;
+int conf_retransmit = 5;
+int conf_hello_interval = 60;
+char *conf_host_name = NULL;
+
+static unsigned int stat_active;
+static unsigned int stat_starting;
+
+struct l2tp_serv_t
+{
+	struct triton_context_t ctx;
+	struct triton_md_handler_t hnd;
+	struct sockaddr_in addr;
+};
+
+struct l2tp_conn_t
+{
+	struct triton_context_t ctx;
+	struct triton_md_handler_t hnd;
+	struct triton_timer_t timeout_timer;
+	struct triton_timer_t rtimeout_timer;
+	struct triton_timer_t hello_timer;
+
+	int tunnel_fd;
+
+	struct sockaddr_in addr;
+	uint16_t tid;
+	uint16_t sid;
+	uint16_t peer_tid;
+	uint16_t peer_sid;
+	uint32_t framing_cap;
+
+	int retransmit;
+	uint16_t Ns, Nr;
+	struct list_head send_queue;
+
+	int state;
+	int state1;
+	int state2;
+
+	struct ppp_ctrl_t ctrl;
+	struct ppp_t ppp;
+};
+
+static pthread_mutex_t l2tp_lock = PTHREAD_MUTEX_INITIALIZER;
+static struct l2tp_conn_t **l2tp_conn;
+static uint16_t l2tp_tid;
+
+static mempool_t l2tp_conn_pool;
+
+static void l2tp_timeout(struct triton_timer_t *t);
+static void l2tp_rtimeout(struct triton_timer_t *t);
+static void l2tp_send_HELLO(struct triton_timer_t *t);
+static void l2tp_send_SCCRP(struct l2tp_conn_t *conn);
+static int l2tp_send(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack, int log_debug);
+static int l2tp_conn_read(struct triton_md_handler_t *);
+
+static void l2tp_disconnect(struct l2tp_conn_t *conn)
+{
+	struct l2tp_packet_t *pack;
+
+	triton_md_unregister_handler(&conn->hnd);
+	close(conn->hnd.fd);
+
+	if (conn->timeout_timer.tpd)
+		triton_timer_del(&conn->timeout_timer);
+
+	if (conn->rtimeout_timer.tpd)
+		triton_timer_del(&conn->rtimeout_timer);
+
+	if (conn->hello_timer.tpd)
+		triton_timer_del(&conn->hello_timer);
+
+	if (conn->state == STATE_PPP) {
+		__sync_sub_and_fetch(&stat_active, 1);
+		conn->state = STATE_FIN;
+		ppp_terminate(&conn->ppp, TERM_USER_REQUEST, 1);
+	} else if (conn->state != STATE_FIN)
+		__sync_sub_and_fetch(&stat_starting, 1);
+
+	pthread_mutex_lock(&l2tp_lock);
+	l2tp_conn[conn->tid] = NULL;
+	pthread_mutex_unlock(&l2tp_lock);
+
+	if (conn->ppp.fd != -1)
+		close(conn->ppp.fd);
+	
+	if (conn->tunnel_fd != -1)
+		close(conn->tunnel_fd);
+
+	triton_event_fire(EV_CTRL_FINISHED, &conn->ppp);
+	
+	log_ppp_info1("disconnected\n");
+
+	triton_context_unregister(&conn->ctx);
+
+	while (!list_empty(&conn->send_queue)) {
+		pack = list_entry(conn->send_queue.next, typeof(*pack), entry);
+		list_del(&pack->entry);
+		l2tp_packet_free(pack);
+	}
+
+	if (conn->ppp.chan_name)
+		_free(conn->ppp.chan_name);
+	
+	_free(conn->ctrl.calling_station_id);
+	_free(conn->ctrl.called_station_id);
+
+	mempool_free(conn);
+}
+
+static int l2tp_terminate(struct l2tp_conn_t *conn, int res, int err)
+{
+	struct l2tp_packet_t *pack;
+	struct l2tp_avp_result_code rc = {res, err};
+
+	log_ppp_debug("l2tp: terminate (%i, %i)\n", res, err);
+
+	pack = l2tp_packet_alloc(2, Message_Type_Stop_Ctrl_Conn_Notify, &conn->addr);
+	if (!pack)
+		return -1;
+	
+	if (l2tp_packet_add_int16(pack, Assigned_Tunnel_ID, conn->tid, 1))
+		goto out_err;
+	if (l2tp_packet_add_octets(pack, Result_Code, (uint8_t *)&rc, sizeof(rc), 0))
+		goto out_err;
+
+	l2tp_send(conn, pack, 0);
+
+	conn->state = STATE_FIN;
+
+	return 0;
+
+out_err:
+	l2tp_packet_free(pack);
+	return -1;
+}
+
+static void l2tp_ppp_started(struct ppp_t *ppp)
+{
+	struct l2tp_conn_t *conn = container_of(ppp, typeof(*conn), ppp);
+	
+	log_ppp_debug("l2tp: ppp started\n");
+	
+	if (conf_hello_interval)
+		triton_timer_add(&conn->ctx, &conn->hello_timer, 0);
+}
+
+static void l2tp_ppp_finished(struct ppp_t *ppp)
+{
+	struct l2tp_conn_t *conn = container_of(ppp, typeof(*conn), ppp);
+
+	log_ppp_debug("l2tp: ppp finished\n");
+
+	if (conn->state != STATE_FIN) {
+		__sync_sub_and_fetch(&stat_active, 1);
+		if (l2tp_terminate(conn, 0, 0))
+			triton_context_call(&conn->ctx, (triton_event_func)l2tp_disconnect, conn);
+	}
+}
+
+static void l2tp_conn_close(struct triton_context_t *ctx)
+{
+	struct l2tp_conn_t *conn = container_of(ctx, typeof(*conn), ctx);
+	
+	if (conn->state == STATE_PPP) {
+		__sync_sub_and_fetch(&stat_active, 1);
+		conn->state = STATE_FIN;
+		ppp_terminate(&conn->ppp, TERM_ADMIN_RESET, 1);
+	}
+	
+	if (l2tp_terminate(conn, 0, 0))
+		l2tp_disconnect(conn);
+}
+
+static int l2tp_tunnel_alloc(struct l2tp_serv_t *serv, struct l2tp_packet_t *pack, struct in_pktinfo *pkt_info, struct l2tp_attr_t *assigned_tid, struct l2tp_attr_t *framing_cap)
+{
+	struct l2tp_conn_t *conn;
+	struct sockaddr_in addr;
+	uint16_t tid;
+	//char *opt;
+	int flag = 1;
+
+	conn = mempool_alloc(l2tp_conn_pool);
+	if (!conn) {
+		log_emerg("l2tp: out of memory\n");
+		return -1;
+	}
+
+	memset(conn, 0, sizeof(*conn));
+	INIT_LIST_HEAD(&conn->send_queue);
+
+	conn->hnd.fd = socket(PF_INET, SOCK_DGRAM, 0);
+	if (conn->hnd.fd < 0) {
+		log_error("l2tp: socket: %s\n", strerror(errno));
+		mempool_free(conn);
+		return -1;
+	}
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sin_family = AF_INET;
+	addr.sin_addr = pkt_info->ipi_addr;
+	addr.sin_port = htons(L2TP_PORT);
+
+  setsockopt(conn->hnd.fd, SOL_SOCKET, SO_REUSEADDR, &flag, sizeof(flag));
+	if (bind(conn->hnd.fd, &addr, sizeof(addr))) {
+		log_error("l2tp: bind: %s\n", strerror(errno));
+		goto out_err;
+	}
+	
+	if (connect(conn->hnd.fd, (struct sockaddr *)&pack->addr, sizeof(addr))) {
+		log_error("l2tp: connect: %s\n", strerror(errno));
+		goto out_err;
+	}
+ 
+	if (fcntl(conn->hnd.fd, F_SETFL, O_NONBLOCK)) {
+    log_emerg("l2tp: failed to set nonblocking mode: %s\n", strerror(errno));
+		goto out_err;
+	}
+
+	pthread_mutex_lock(&l2tp_lock);
+	for (tid = l2tp_tid + 1; tid != l2tp_tid; tid++) {
+		if (tid == L2TP_MAX_TID)
+			tid = 1;
+		if (!l2tp_conn[tid]) {
+			l2tp_conn[tid] = conn;
+			conn->tid = tid;
+			break;
+		}
+	}
+	pthread_mutex_unlock(&l2tp_lock);
+
+	if (!conn->tid) {
+		if (conf_verbose)
+			log_warn("l2tp: no free tid available\n");
+		mempool_free(conn);
+		return -1;
+	}
+
+	conn->sid = 1;
+
+	memcpy(&conn->addr, &pack->addr, sizeof(pack->addr));
+	conn->peer_tid = assigned_tid->val.uint16;
+	conn->framing_cap = framing_cap->val.uint32;
+
+	conn->ctx.before_switch = log_switch;
+	conn->ctx.close = l2tp_conn_close;
+	conn->hnd.read = l2tp_conn_read;
+	conn->timeout_timer.expire = l2tp_timeout;
+	conn->timeout_timer.period = conf_timeout * 1000;
+	conn->rtimeout_timer.expire = l2tp_rtimeout;
+	conn->rtimeout_timer.period = conf_rtimeout * 1000;
+	conn->hello_timer.expire = l2tp_send_HELLO;
+	conn->hello_timer.period = conf_hello_interval * 1000;
+	conn->ctrl.ctx = &conn->ctx;
+	conn->ctrl.name = "l2tp";
+	conn->ctrl.started = l2tp_ppp_started;
+	conn->ctrl.finished = l2tp_ppp_finished;
+	conn->ctrl.max_mtu = 1420;
+
+	conn->ctrl.calling_station_id = _malloc(17);
+	conn->ctrl.called_station_id = _malloc(17);
+	u_inet_ntoa(conn->addr.sin_addr.s_addr, conn->ctrl.calling_station_id);
+	u_inet_ntoa(addr.sin_addr.s_addr, conn->ctrl.called_station_id);
+
+	ppp_init(&conn->ppp);
+	conn->ppp.ctrl = &conn->ctrl;
+	conn->ppp.fd = -1;
+	conn->tunnel_fd = -1;
+
+	triton_context_register(&conn->ctx, &conn->ppp);
+	triton_md_register_handler(&conn->ctx, &conn->hnd);
+	triton_md_enable_handler(&conn->hnd, MD_MODE_READ);
+	triton_context_wakeup(&conn->ctx);
+
+	if (conf_verbose) {
+		log_switch(&conn->ctx, &conn->ppp);
+		log_ppp_info2("recv ");
+		l2tp_packet_print(pack, log_ppp_info2);
+	}
+
+	triton_context_call(&conn->ctx, (triton_event_func)l2tp_send_SCCRP, conn);
+
+	__sync_add_and_fetch(&stat_starting, 1);
+
+	return 0;
+
+out_err:
+	close(conn->hnd.fd);
+	mempool_free(conn);
+	return -1;
+}
+
+static int l2tp_connect(struct l2tp_conn_t *conn)
+{
+	struct sockaddr_pppol2tp pppox_addr;
+	int arg = 1;
+
+	memset(&pppox_addr, 0, sizeof(pppox_addr));
+	pppox_addr.sa_family = AF_PPPOX;
+	pppox_addr.sa_protocol = PX_PROTO_OL2TP;
+	pppox_addr.pppol2tp.fd = conn->hnd.fd;
+	memcpy(&pppox_addr.pppol2tp.addr, &conn->addr, sizeof(conn->addr));
+	pppox_addr.pppol2tp.s_tunnel = conn->tid;
+	pppox_addr.pppol2tp.d_tunnel = conn->peer_tid;
+
+	conn->tunnel_fd = socket(AF_PPPOX, SOCK_DGRAM, PX_PROTO_OL2TP);
+	if (!conn->ppp.fd) {
+		log_ppp_error("l2tp: socket(AF_PPPOX): %s\n", strerror(errno));
+		return -1;
+	}
+
+	conn->ppp.fd = socket(AF_PPPOX, SOCK_DGRAM, PX_PROTO_OL2TP);
+	if (!conn->ppp.fd) {
+		close(conn->tunnel_fd);
+		conn->tunnel_fd = -1;
+		log_ppp_error("l2tp: socket(AF_PPPOX): %s\n", strerror(errno));
+		return -1;
+	}
+
+	if (connect(conn->tunnel_fd, (struct sockaddr *)&pppox_addr, sizeof(pppox_addr)) < 0) {
+		log_ppp_error("l2tp: connect(tunnel): %s\n", strerror(errno));
+		return -1;
+	}
+
+	pppox_addr.pppol2tp.s_session = conn->sid;
+	pppox_addr.pppol2tp.d_session = conn->peer_sid;
+
+	if (connect(conn->ppp.fd, (struct sockaddr *)&pppox_addr, sizeof(pppox_addr)) < 0) {
+		log_ppp_error("l2tp: connect(session): %s\n", strerror(errno));
+		return -1;
+	}
+
+	if (setsockopt(conn->ppp.fd, SOL_PPPOL2TP, PPPOL2TP_SO_LNSMODE, &arg, sizeof(arg))) {
+		log_ppp_error("l2tp: setsockopt: %s\n", strerror(errno));
+		return -1;
+	}
+
+	conn->ppp.chan_name = _strdup(inet_ntoa(conn->addr.sin_addr));
+	
+	triton_event_fire(EV_CTRL_STARTED, &conn->ppp);
+
+	if (establish_ppp(&conn->ppp))
+		return -1;
+
+	__sync_sub_and_fetch(&stat_starting, 1);
+	__sync_add_and_fetch(&stat_active, 1);
+
+	conn->state = STATE_PPP;
+	
+	return 0;
+}
+
+static void l2tp_rtimeout(struct triton_timer_t *t)
+{
+	struct l2tp_conn_t *conn = container_of(t, typeof(*conn), rtimeout_timer);
+	struct l2tp_packet_t *pack;
+
+	if (!list_empty(&conn->send_queue)) {
+		log_ppp_debug("l2tp: retransmit (%i)\n", conn->retransmit);
+		if (++conn->retransmit <= conf_retransmit) {
+			pack = list_entry(conn->send_queue.next, typeof(*pack), entry);
+			pack->hdr.Nr = htons(conn->Nr + 1);
+			if (conf_verbose) {
+				log_ppp_debug("send ");
+				l2tp_packet_print(pack, log_ppp_debug);
+			}
+			if (l2tp_packet_send(conn->hnd.fd, pack) == 0)
+				return;
+		} else
+			l2tp_disconnect(conn);
+	}
+}
+
+static void l2tp_timeout(struct triton_timer_t *t)
+{
+	struct l2tp_conn_t *conn = container_of(t, typeof(*conn), timeout_timer);
+	log_ppp_debug("l2tp: timeout\n");
+	l2tp_disconnect(conn);
+}
+
+static int l2tp_send(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack, int log_debug)
+{
+	conn->retransmit = 0;
+
+	pack->hdr.tid = htons(conn->peer_tid);
+	//pack->hdr.sid = htons(conn->peer_sid);
+	pack->hdr.Nr = htons(conn->Nr + 1);
+	pack->hdr.Ns = htons(conn->Ns);
+
+	if (!list_empty(&pack->attrs))
+		conn->Ns++;
+
+	if (conf_verbose) {
+		if (log_debug) {
+			log_ppp_debug("send ");
+			l2tp_packet_print(pack, log_ppp_debug);
+		} else {
+			log_ppp_info2("send ");
+			l2tp_packet_print(pack, log_ppp_info2);
+		}
+	}
+
+	if (l2tp_packet_send(conn->hnd.fd, pack))
+		goto out_err;
+
+	if (!list_empty(&pack->attrs)) {
+		list_add_tail(&pack->entry, &conn->send_queue);
+		if (!conn->rtimeout_timer.tpd)
+			triton_timer_add(&conn->ctx, &conn->rtimeout_timer, 0);
+	} else
+		l2tp_packet_free(pack);
+	
+	return 0;
+
+out_err:
+	l2tp_packet_free(pack);
+	return -1;
+}
+
+static int l2tp_send_ZLB(struct l2tp_conn_t *conn)
+{
+	struct l2tp_packet_t *pack;
+
+	pack = l2tp_packet_alloc(2, 0, &conn->addr);
+	if (!pack)
+		return -1;
+
+	if (l2tp_send(conn, pack, 1))
+		return -1;
+
+	return 0;
+}
+
+static void l2tp_send_HELLO(struct triton_timer_t *t)
+{
+	struct l2tp_conn_t *conn = container_of(t, typeof(*conn), hello_timer);
+	struct l2tp_packet_t *pack;
+
+	pack = l2tp_packet_alloc(2, Message_Type_Hello, &conn->addr);
+	if (!pack) {
+		l2tp_disconnect(conn);
+		return;
+	}
+
+	if (l2tp_send(conn, pack, 1))
+		l2tp_disconnect(conn);
+}
+
+static void l2tp_send_SCCRP(struct l2tp_conn_t *conn)
+{
+	struct l2tp_packet_t *pack;
+
+	pack = l2tp_packet_alloc(2, Message_Type_Start_Ctrl_Conn_Reply, &conn->addr);
+	if (!pack)
+		goto out;
+	
+	if (l2tp_packet_add_int16(pack, Protocol_Version, L2TP_V2_PROTOCOL_VERSION, 1))
+		goto out_err;
+	if (conf_host_name && l2tp_packet_add_string(pack, Host_Name, conf_host_name, 1))
+		goto out_err;
+	if (l2tp_packet_add_int32(pack, Framing_Capabilities, conn->framing_cap, 1))
+		goto out_err;
+	if (l2tp_packet_add_int16(pack, Assigned_Tunnel_ID, conn->tid, 1))
+		goto out_err;
+
+	if (l2tp_send(conn, pack, 0))
+		goto out;
+
+	if (!conn->timeout_timer.tpd)
+		triton_timer_add(&conn->ctx, &conn->timeout_timer, 0);
+	else
+		triton_timer_mod(&conn->timeout_timer, 0);
+
+	conn->state = STATE_WAIT_SCCCN;
+
+	return;
+
+out_err:
+	l2tp_packet_free(pack);
+out:
+	l2tp_disconnect(conn);
+}
+
+static int l2tp_send_ICRP(struct l2tp_conn_t *conn)
+{
+	struct l2tp_packet_t *pack;
+
+	pack = l2tp_packet_alloc(2, Message_Type_Incoming_Call_Reply, &conn->addr);
+	if (!pack)
+		return -1;
+
+	pack->hdr.sid = htons(conn->peer_sid);
+	
+	if (l2tp_packet_add_int16(pack, Assigned_Session_ID, conn->sid, 1))
+		goto out_err;
+
+	l2tp_send(conn, pack, 0);
+
+	if (!conn->timeout_timer.tpd)
+		triton_timer_add(&conn->ctx, &conn->timeout_timer, 0);
+	else
+		triton_timer_mod(&conn->timeout_timer, 0);
+	
+	conn->state1 = STATE_WAIT_ICCN;
+	
+	return 0;
+
+out_err:
+	l2tp_packet_free(pack);
+	return -1;
+}
+
+static int l2tp_send_OCRQ(struct l2tp_conn_t *conn)
+{
+	struct l2tp_packet_t *pack;
+
+	pack = l2tp_packet_alloc(2, Message_Type_Outgoing_Call_Request, &conn->addr);
+	if (!pack)
+		return -1;
+	
+	pack->hdr.sid = htons(conn->peer_sid);
+
+	if (l2tp_packet_add_int16(pack, Assigned_Session_ID, conn->sid, 1))
+		goto out_err;
+	if (l2tp_packet_add_int32(pack, Call_Serial_Number, 0, 1))
+		goto out_err;
+	if (l2tp_packet_add_int32(pack, Minimum_BPS, 100, 1))
+		goto out_err;
+	if (l2tp_packet_add_int32(pack, Maximum_BPS, 100000, 1))
+		goto out_err;
+	if (l2tp_packet_add_int32(pack, Bearer_Type, 3, 1))
+		goto out_err;
+	if (l2tp_packet_add_int32(pack, Framing_Type, 3, 1))
+		goto out_err;
+	if (l2tp_packet_add_string(pack, Called_Number, "", 1))
+		goto out_err;
+
+	if (l2tp_send(conn, pack, 0))
+		return -1;
+
+	if (!conn->timeout_timer.tpd)
+		triton_timer_add(&conn->ctx, &conn->timeout_timer, 0);
+	else
+		triton_timer_mod(&conn->timeout_timer, 0);
+	
+	conn->state2 = STATE_WAIT_OCRP;
+	
+	return 0;
+
+out_err:
+	l2tp_packet_free(pack);
+	return -1;
+}
+
+
+static int l2tp_recv_SCCRQ(struct l2tp_serv_t *serv, struct l2tp_packet_t *pack, struct in_pktinfo *pkt_info)
+{
+	struct l2tp_attr_t *attr;
+	struct l2tp_attr_t *protocol_version = NULL;
+	struct l2tp_attr_t *assigned_tid = NULL;
+	struct l2tp_attr_t *assigned_cid = NULL;
+	struct l2tp_attr_t *framing_cap = NULL;
+	struct l2tp_attr_t *router_id = NULL;
+	
+	if (ppp_shutdown)
+		return 0;
+
+	list_for_each_entry(attr, &pack->attrs, entry) {
+		switch (attr->attr->id) {
+			case Protocol_Version:
+				protocol_version = attr;
+				break;
+			case Framing_Capabilities:
+				framing_cap = attr;
+				break;
+			case Assigned_Tunnel_ID:
+				assigned_tid = attr;
+				break;
+			case Challenge:
+				if (conf_verbose)
+					log_warn("l2tp: Challenge in SCCRQ is not supported\n");
+				return -1;
+			case Assigned_Connection_ID:
+				assigned_cid = attr;
+				break;
+			case Router_ID:
+				router_id = attr;
+				break;
+			case Message_Digest:
+				if (conf_verbose)
+					log_warn("l2tp: Message-Digest is not supported\n");
+				return -1;
+		}
+	}
+
+	if (assigned_tid) {
+		if (!protocol_version) {
+			if (conf_verbose)
+				log_warn("l2tp: SCCRQ: no Protocol-Version present in message\n");
+			return -1;
+		}
+		if (protocol_version->val.uint16 != L2TP_V2_PROTOCOL_VERSION) {
+			if (conf_verbose)
+				log_warn("l2tp: protocol version %02x is not supported\n", protocol_version->val.uint16);
+			return -1;
+		}
+		if (!framing_cap) {
+			if (conf_verbose)
+				log_warn("l2tp: SCCRQ: no Framing-Capabilities present in message\n");
+			return -1;
+		}
+		
+		if (l2tp_tunnel_alloc(serv, pack, pkt_info, assigned_tid, framing_cap))
+			return -1;
+
+	} else if (assigned_cid) {
+		// not yet implemented
+		return 0;
+	} else {
+		if (conf_verbose)
+			log_warn("l2tp: SCCRQ: no Assigned-Tunnel-ID or Assigned-Connection-ID present in message\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int l2tp_recv_SCCCN(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+{
+	if (conn->state == STATE_WAIT_SCCCN) {
+		triton_timer_mod(&conn->timeout_timer, 0);
+		conn->state = STATE_ESTB;
+		conn->state1 = STATE_WAIT_ICRQ;
+	}
+	else
+		log_ppp_warn("l2tp: unexpected SCCCN\n");
+	
+	return 0;
+}
+
+static int l2tp_recv_StopCCN(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+{
+	l2tp_send_ZLB(conn);
+	return -1;
+}
+
+static int l2tp_recv_HELLO(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+{
+	if (l2tp_send_ZLB(conn))
+		return -1;
+	
+	return 0;
+}
+
+static int l2tp_recv_ICRQ(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+{
+	struct l2tp_attr_t *attr;
+	struct l2tp_attr_t *assigned_sid = NULL;
+
+	if (conn->state1 != STATE_WAIT_ICRQ) {
+		log_ppp_warn("l2tp: unexpected ICRQ\n");
+		return 0;
+	}
+
+	list_for_each_entry(attr, &pack->attrs, entry) {
+		switch(attr->attr->id) {
+			case Assigned_Session_ID:
+				assigned_sid = attr;
+				break;
+			case Message_Type:
+			case Call_Serial_Number:
+			case Bearer_Type:
+			case Calling_Number:
+			case Called_Number:
+			case Sub_Address:
+			case Physical_Channel_ID:
+				break;
+			default:
+				if (attr->M) {
+					if (conf_verbose) {
+						log_ppp_warn("l2tp: ICRQ: unknown attribute %i\n", attr->attr->id);
+						if (l2tp_terminate(conn, 2, 8))
+							return -1;
+						return 0;
+					}
+				}
+		}
+	}
+
+	if (!assigned_sid) {
+		if (conf_verbose)
+			log_ppp_warn("l2tp: ICRQ: no Assigned-Session-ID attribute present in message\n");
+		if (l2tp_terminate(conn, 2, 0))
+			return -1;
+	}
+
+	conn->peer_sid = assigned_sid->val.uint16;
+
+	if (l2tp_send_ICRP(conn))
+		return -1;
+		
+	if (l2tp_send_OCRQ(conn))
+		return -1;
+	
+	return 0;
+}
+
+static int l2tp_recv_ICCN(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+{
+	if (conn->state1 != STATE_WAIT_ICCN) {
+		log_ppp_warn("l2tp: unexpected ICCN\n");
+		return 0;
+	}
+
+	conn->state1 = STATE_ESTB;
+
+	if (l2tp_connect(conn)) {
+		if (l2tp_terminate(conn, 2, 0))
+			return -1;
+		return 0;
+	}
+
+	if (l2tp_send_ZLB(conn))
+		return -1;
+	
+	triton_timer_del(&conn->timeout_timer);
+
+	return 0;
+}
+
+static int  l2tp_recv_OCRP(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+{
+	if (conn->state2 != STATE_WAIT_OCRP) {
+		log_ppp_warn("l2tp: unexpected OCRP\n");
+		return 0;
+	}
+
+	conn->state2 = STATE_WAIT_OCCN;
+
+	return 0;
+}
+
+static int l2tp_recv_OCCN(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+{
+	if (conn->state2 != STATE_WAIT_OCCN) {
+		log_ppp_warn("l2tp: unexpected OCCN\n");
+		return 0;
+	}
+
+	conn->state2 = STATE_ESTB;
+
+	return 0;
+}
+
+static int l2tp_recv_CDN(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+{
+	if (ntohs(pack->hdr.sid) != conn->sid) {
+		if (conf_verbose)
+			log_warn("l2tp: sid %i is incorrect\n", ntohs(pack->hdr.sid));
+		return 0;
+	}
+
+	if (conn->state == STATE_PPP) {
+		__sync_sub_and_fetch(&stat_active, 1);
+		conn->state = STATE_FIN;
+		ppp_terminate(&conn->ppp, TERM_USER_REQUEST, 1);
+	}
+	
+	if (l2tp_terminate(conn, 0, 0))
+		return -1;
+	
+	return 0;
+}
+
+static int l2tp_recv_SLI(struct l2tp_conn_t *conn, struct l2tp_packet_t *pack)
+{
+	return 0;
+}
+
+static int l2tp_conn_read(struct triton_md_handler_t *h)
+{
+	struct l2tp_conn_t *conn = container_of(h, typeof(*conn), hnd);
+	struct l2tp_packet_t *pack, *p;
+	struct l2tp_attr_t *msg_type;
+
+	while (1) {
+		if (l2tp_recv(h->fd, &pack, NULL))
+			return 0;
+
+		if (!pack)
+			continue;
+
+		if (ntohs(pack->hdr.tid) != conn->tid) {
+			if (conf_verbose)
+				log_warn("l2tp: incorrect tid %i in tunnel %i\n", ntohs(pack->hdr.tid), conn->tid);
+			l2tp_packet_free(pack);
+			continue;
+		}
+
+		if (ntohs(pack->hdr.Ns) == conn->Nr + 1) {
+			if (!list_empty(&pack->attrs))
+				conn->Nr++;
+			if (!list_empty(&conn->send_queue)) {
+				p = list_entry(conn->send_queue.next, typeof(*pack), entry);
+				list_del(&p->entry);
+				l2tp_packet_free(p);
+				conn->retransmit = 0;
+			}
+			if (!list_empty(&conn->send_queue))
+				triton_timer_mod(&conn->rtimeout_timer, 0);
+			else {
+				if (conn->rtimeout_timer.tpd)
+					triton_timer_del(&conn->rtimeout_timer);
+				if (conn->state == STATE_FIN)
+					goto drop;
+			}
+		} else {
+			if (ntohs(pack->hdr.Ns) < conn->Nr + 1 || (ntohs(pack->hdr.Ns > 32767 && conn->Nr + 1 < 32767))) {
+				log_ppp_debug("duplicate packet\n");
+				if (l2tp_send_ZLB(conn))
+					goto drop;
+			} else
+				log_ppp_debug("reordered packet\n");
+			l2tp_packet_free(pack);
+			continue;
+		}
+
+		if (list_empty(&pack->attrs)) {
+			l2tp_packet_free(pack);
+			continue;
+		}
+
+		msg_type = list_entry(pack->attrs.next, typeof(*msg_type), entry);
+
+		if (msg_type->attr->id != Message_Type) {
+			if (conf_verbose)
+				log_ppp_error("l2tp: first attribute is not Message-Type, dropping connection...\n");
+			goto drop;
+		}
+
+		if (conf_verbose) {
+			if (msg_type->val.uint16 == Message_Type_Hello) {
+				log_ppp_debug("recv ");
+				l2tp_packet_print(pack, log_ppp_debug);
+			} else {
+				log_ppp_info2("recv ");
+				l2tp_packet_print(pack, log_ppp_info2);
+			}
+		}
+
+		switch (msg_type->val.uint16) {
+			case Message_Type_Start_Ctrl_Conn_Connected:
+				if (l2tp_recv_SCCCN(conn, pack))
+					goto drop;
+				break;
+			case Message_Type_Stop_Ctrl_Conn_Notify:
+				if (l2tp_recv_StopCCN(conn, pack))
+					goto drop;
+				break;
+			case Message_Type_Hello:
+				if (l2tp_recv_HELLO(conn, pack))
+					goto drop;
+				break;
+			case Message_Type_Incoming_Call_Request:
+				if (l2tp_recv_ICRQ(conn, pack))
+					goto drop;
+				break;
+			case Message_Type_Incoming_Call_Connected:
+				if (l2tp_recv_ICCN(conn, pack))
+					goto drop;
+				break;
+			case Message_Type_Outgoing_Call_Reply:
+				if (l2tp_recv_OCRP(conn, pack))
+					goto drop;
+				break;
+			case Message_Type_Outgoing_Call_Connected:
+				if (l2tp_recv_OCCN(conn, pack))
+					goto drop;
+				break;
+			case Message_Type_Call_Disconnect_Notify:
+				if (l2tp_recv_CDN(conn, pack))
+					goto drop;
+				break;
+			case Message_Type_Set_Link_Info:
+				if (l2tp_recv_SLI(conn, pack))
+					goto drop;
+				break;
+			case Message_Type_Start_Ctrl_Conn_Request:
+			case Message_Type_Start_Ctrl_Conn_Reply:
+			case Message_Type_Outgoing_Call_Request:
+			case Message_Type_Incoming_Call_Reply:
+			case Message_Type_WAN_Error_Notify:
+				if (conf_verbose)
+					log_warn("l2tp: unexpected Message-Type %i\n", msg_type->val.uint16);
+				break;
+			default:
+				if (conf_verbose)
+					log_warn("l2tp: unknown Message-Type %i\n", msg_type->val.uint16);
+				if (msg_type->M) {
+					if (l2tp_terminate(conn, 2, 8))
+						goto drop;
+				}
+		}
+
+		l2tp_packet_free(pack);
+	}
+
+drop:
+	l2tp_packet_free(pack);
+	l2tp_disconnect(conn);
+	return -1;
+}
+
+static int l2tp_udp_read(struct triton_md_handler_t *h)
+{
+	struct l2tp_serv_t *serv = container_of(h, typeof(*serv), hnd);
+	struct l2tp_packet_t *pack;
+	struct l2tp_attr_t *msg_type;
+	struct in_pktinfo pkt_info;
+
+	while (1) {
+		if (l2tp_recv(h->fd, &pack, &pkt_info))
+			break;
+
+		if (!pack)
+			continue;
+
+		if (iprange_client_check(pack->addr.sin_addr.s_addr)) {
+			log_warn("l2tp: IP is out of client-ip-range, droping connection...\n");
+			goto skip;
+		}
+
+		if (pack->hdr.tid)
+			goto skip;
+
+		if (list_empty(&pack->attrs)) {
+			if (conf_verbose)
+				log_warn("l2tp: to Message-Type attribute present\n");
+			goto skip;
+		}
+
+		msg_type = list_entry(pack->attrs.next, typeof(*msg_type), entry);
+		if (msg_type->attr->id != Message_Type) {
+			if (conf_verbose)
+				log_warn("l2tp: first attribute is not Message-Type\n");
+			goto skip;
+		}
+
+		if (msg_type->val.uint16 == Message_Type_Start_Ctrl_Conn_Request)
+			l2tp_recv_SCCRQ(serv, pack, &pkt_info);
+		else {
+			if (conf_verbose) {
+				log_warn("recv (unexpected) ");
+				l2tp_packet_print(pack, log_ppp_warn);
+			}
+		}
+skip:
+		l2tp_packet_free(pack);
+	}
+
+	return 0;
+}
+
+static void l2tp_udp_close(struct triton_context_t *ctx)
+{
+	struct l2tp_serv_t *serv = container_of(ctx, typeof(*serv), ctx);
+	triton_md_unregister_handler(&serv->hnd);
+	close(serv->hnd.fd);
+	triton_context_unregister(&serv->ctx);
+}
+
+static struct l2tp_serv_t udp_serv =
+{
+	.hnd.read = l2tp_udp_read,
+	.ctx.close = l2tp_udp_close,
+	.ctx.before_switch = log_switch,
+};
+
+/*static struct l2tp_serv_t ip_serv =
+{
+	.hnd.read=l2t_ip_read,
+	.ctx.close=l2tp_ip_close,
+};*/
+
+static void start_udp_server(void)
+{
+	struct sockaddr_in addr;
+	char *opt;
+	int flag = 1;
+
+	udp_serv.hnd.fd = socket(PF_INET, SOCK_DGRAM, 0);
+	if (udp_serv.hnd.fd < 0) {
+		log_emerg("l2tp: socket: %s\n", strerror(errno));
+		return;
+	}
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sin_family = AF_INET;
+	addr.sin_port = htons(L2TP_PORT);
+
+	opt = conf_get_opt("l2tp", "bind");
+	if (opt)
+		addr.sin_addr.s_addr = inet_addr(opt);
+	else
+		addr.sin_addr.s_addr = htonl(INADDR_ANY);
+
+	setsockopt(udp_serv.hnd.fd, SOL_SOCKET, SO_REUSEADDR, &udp_serv.hnd.fd, sizeof(udp_serv.hnd.fd));
+	setsockopt(udp_serv.hnd.fd, SOL_SOCKET, SO_NO_CHECK, &udp_serv.hnd.fd, sizeof(udp_serv.hnd.fd));
+
+	if (bind (udp_serv.hnd.fd, (struct sockaddr *) &addr, sizeof (addr)) < 0) {
+		log_emerg("l2tp: bind: %s\n", strerror(errno));
+		close(udp_serv.hnd.fd);
+		return;
+	}
+
+	if (fcntl(udp_serv.hnd.fd, F_SETFL, O_NONBLOCK)) {
+		log_emerg("l2tp: failed to set nonblocking mode: %s\n", strerror(errno));
+		close(udp_serv.hnd.fd);
+		return;
+	}
+
+	if (setsockopt(udp_serv.hnd.fd, IPPROTO_IP, IP_PKTINFO, &flag, sizeof(flag))) {
+		log_emerg("l2tp: setsockopt(IP_PKTINFO): %s\n", strerror(errno));
+		close(udp_serv.hnd.fd);
+		return;
+	}
+
+	memcpy(&udp_serv.addr, &addr, sizeof(addr));
+
+	triton_context_register(&udp_serv.ctx, NULL);
+	triton_md_register_handler(&udp_serv.ctx, &udp_serv.hnd);
+	triton_md_enable_handler(&udp_serv.hnd, MD_MODE_READ);
+	triton_context_wakeup(&udp_serv.ctx);
+}
+
+static int show_stat_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "l2tp:\r\n");
+	cli_sendv(client, "  starting: %u\r\n", stat_starting);
+	cli_sendv(client, "  active: %u\r\n", stat_active);
+
+	return CLI_CMD_OK;
+}
+
+static void load_config(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("l2tp", "verbose");
+	if (opt && atoi(opt) > 0)
+		conf_verbose = 1;
+
+	opt = conf_get_opt("l2tp", "hello-interval");
+	if (opt && atoi(opt) > 0)
+		conf_hello_interval = atoi(opt);
+
+	opt = conf_get_opt("l2tp", "timeout");
+	if (opt && atoi(opt) > 0)
+		conf_timeout = atoi(opt);
+
+	opt = conf_get_opt("l2tp", "rtimeout");
+	if (opt && atoi(opt) > 0)
+		conf_rtimeout = atoi(opt);
+
+	opt = conf_get_opt("l2tp", "retransmit");
+	if (opt && atoi(opt) > 0)
+		conf_retransmit = atoi(opt);
+
+	if (conf_host_name)
+		_free(conf_host_name);
+	opt = conf_get_opt("l2tp", "host-name");
+	if (opt)
+		conf_host_name = _strdup(opt);
+	else
+		conf_host_name = NULL;
+}
+
+static void __init l2tp_init(void)
+{
+	l2tp_conn = malloc(L2TP_MAX_TID * sizeof(void *));
+	memset(l2tp_conn, 0, L2TP_MAX_TID * sizeof(void *));
+
+	l2tp_conn_pool = mempool_create(sizeof(struct l2tp_conn_t));
+
+	load_config();
+
+	start_udp_server();
+
+	cli_register_simple_cmd2(&show_stat_exec, NULL, 2, "show", "stat");
+	
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+}
+
diff --git a/accel-pppd/ctrl/l2tp/l2tp.h b/accel-pppd/ctrl/l2tp/l2tp.h
new file mode 100644
index 0000000..ac9b8e0
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/l2tp.h
@@ -0,0 +1,88 @@
+#ifndef __L2TP_H
+#define __L2TP_H
+
+#include <netinet/in.h>
+
+#include "list.h"
+#include "l2tp_prot.h"
+
+#define ATTR_TYPE_NONE    0
+#define ATTR_TYPE_INT16   1
+#define ATTR_TYPE_INT32   2
+#define ATTR_TYPE_INT64   3
+#define ATTR_TYPE_OCTETS  4
+#define ATTR_TYPE_STRING  5
+
+#define L2TP_MAX_PACKET_SIZE 65536
+#define L2TP_MAX_TID 65534
+
+#define L2TP_V2_PROTOCOL_VERSION ( 1 << 8 | 0 )
+
+typedef union
+{
+	uint32_t uint32;
+	int32_t  int32;
+	uint16_t uint16;
+	int16_t  int16;
+	uint64_t uint64;
+	uint8_t *octets;
+	char    *string;
+} l2tp_value_t;
+
+struct l2tp_dict_attr_t
+{
+	struct list_head entry;
+	const char *name;
+	int id;
+	int type;
+	int M;
+	int H;
+	struct list_head values;
+};
+
+struct l2tp_dict_value_t
+{
+	struct list_head entry;
+	const char *name;
+	l2tp_value_t val;
+};
+
+struct l2tp_attr_t
+{
+	struct list_head entry;
+	struct l2tp_dict_attr_t *attr;
+	int M:1;
+	int H:1;
+	int length;
+	l2tp_value_t val;
+};
+
+struct l2tp_packet_t
+{
+	struct list_head entry;
+	struct sockaddr_in addr;
+	struct l2tp_hdr_t hdr;
+	struct list_head attrs;
+};
+
+extern int conf_verbose;
+
+struct l2tp_dict_attr_t *l2tp_dict_find_attr_by_name(const char *name);
+struct l2tp_dict_attr_t *l2tp_dict_find_attr_by_id(int id);
+struct l2tp_dict_value_t *l2tp_dict_find_value(struct l2tp_dict_attr_t *attr, l2tp_value_t val);
+
+int l2tp_recv(int fd, struct l2tp_packet_t **, struct in_pktinfo *);
+void l2tp_packet_free(struct l2tp_packet_t *);
+void l2tp_packet_print(struct l2tp_packet_t *, void (*print)(const char *fmt, ...));
+struct l2tp_packet_t *l2tp_packet_alloc(int ver, int msg_type, struct sockaddr_in *addr);
+int l2tp_packet_send(int sock, struct l2tp_packet_t *);
+int l2tp_packet_add_int16(struct l2tp_packet_t *pack, int id, int16_t val, int M);
+int l2tp_packet_add_int32(struct l2tp_packet_t *pack, int id, int32_t val, int M);
+int l2tp_packet_add_string(struct l2tp_packet_t *pack, int id, const char *val, int M);
+int l2tp_packet_add_octets(struct l2tp_packet_t *pack, int id, const uint8_t *val, int size, int M);
+
+void l2tp_nl_create_tunnel(int fd, int tid, int peer_tid);
+void l2tp_nl_create_session(int tid, int sid, int peer_sid);
+void l2tp_nl_delete_tunnel(int tid);
+
+#endif
diff --git a/accel-pppd/ctrl/l2tp/l2tp_kernel.h b/accel-pppd/ctrl/l2tp/l2tp_kernel.h
new file mode 100644
index 0000000..4bdb31d
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/l2tp_kernel.h
@@ -0,0 +1,163 @@
+/*
+ * L2TP-over-IP socket for L2TPv3.
+ *
+ * Author: James Chapman <jchapman@katalix.com>
+ */
+
+#ifndef _LINUX_L2TP_H_
+#define _LINUX_L2TP_H_
+
+#include <linux/types.h>
+#ifdef __KERNEL__
+#include <linux/socket.h>
+#include <linux/in.h>
+#else
+#include <netinet/in.h>
+#endif
+
+#define IPPROTO_L2TP		115
+
+/**
+ * struct sockaddr_l2tpip - the sockaddr structure for L2TP-over-IP sockets
+ * @l2tp_family:  address family number AF_L2TPIP.
+ * @l2tp_addr:    protocol specific address information
+ * @l2tp_conn_id: connection id of tunnel
+ */
+#define __SOCK_SIZE__	16		/* sizeof(struct sockaddr)	*/
+struct sockaddr_l2tpip {
+	/* The first fields must match struct sockaddr_in */
+	sa_family_t	l2tp_family;	/* AF_INET */
+	__be16		l2tp_unused;	/* INET port number (unused) */
+	struct in_addr	l2tp_addr;	/* Internet address */
+
+	__u32		l2tp_conn_id;	/* Connection ID of tunnel */
+
+	/* Pad to size of `struct sockaddr'. */
+	unsigned char	__pad[sizeof(struct sockaddr) - sizeof(sa_family_t) -
+			      sizeof(__be16) - sizeof(struct in_addr) -
+			      sizeof(__u32)];
+};
+
+/*****************************************************************************
+ *  NETLINK_GENERIC netlink family.
+ *****************************************************************************/
+
+/*
+ * Commands.
+ * Valid TLVs of each command are:-
+ * TUNNEL_CREATE	- CONN_ID, pw_type, netns, ifname, ipinfo, udpinfo, udpcsum, vlanid
+ * TUNNEL_DELETE	- CONN_ID
+ * TUNNEL_MODIFY	- CONN_ID, udpcsum
+ * TUNNEL_GETSTATS	- CONN_ID, (stats)
+ * TUNNEL_GET		- CONN_ID, (...)
+ * SESSION_CREATE	- SESSION_ID, PW_TYPE, offset, data_seq, cookie, peer_cookie, offset, l2spec
+ * SESSION_DELETE	- SESSION_ID
+ * SESSION_MODIFY	- SESSION_ID, data_seq
+ * SESSION_GET		- SESSION_ID, (...)
+ * SESSION_GETSTATS	- SESSION_ID, (stats)
+ *
+ */
+enum {
+	L2TP_CMD_NOOP,
+	L2TP_CMD_TUNNEL_CREATE,
+	L2TP_CMD_TUNNEL_DELETE,
+	L2TP_CMD_TUNNEL_MODIFY,
+	L2TP_CMD_TUNNEL_GET,
+	L2TP_CMD_SESSION_CREATE,
+	L2TP_CMD_SESSION_DELETE,
+	L2TP_CMD_SESSION_MODIFY,
+	L2TP_CMD_SESSION_GET,
+	__L2TP_CMD_MAX,
+};
+
+#define L2TP_CMD_MAX			(__L2TP_CMD_MAX - 1)
+
+/*
+ * ATTR types defined for L2TP
+ */
+enum {
+	L2TP_ATTR_NONE,			/* no data */
+	L2TP_ATTR_PW_TYPE,		/* u16, enum l2tp_pwtype */
+	L2TP_ATTR_ENCAP_TYPE,		/* u16, enum l2tp_encap_type */
+	L2TP_ATTR_OFFSET,		/* u16 */
+	L2TP_ATTR_DATA_SEQ,		/* u16 */
+	L2TP_ATTR_L2SPEC_TYPE,		/* u8, enum l2tp_l2spec_type */
+	L2TP_ATTR_L2SPEC_LEN,		/* u8, enum l2tp_l2spec_type */
+	L2TP_ATTR_PROTO_VERSION,	/* u8 */
+	L2TP_ATTR_IFNAME,		/* string */
+	L2TP_ATTR_CONN_ID,		/* u32 */
+	L2TP_ATTR_PEER_CONN_ID,		/* u32 */
+	L2TP_ATTR_SESSION_ID,		/* u32 */
+	L2TP_ATTR_PEER_SESSION_ID,	/* u32 */
+	L2TP_ATTR_UDP_CSUM,		/* u8 */
+	L2TP_ATTR_VLAN_ID,		/* u16 */
+	L2TP_ATTR_COOKIE,		/* 0, 4 or 8 bytes */
+	L2TP_ATTR_PEER_COOKIE,		/* 0, 4 or 8 bytes */
+	L2TP_ATTR_DEBUG,		/* u32 */
+	L2TP_ATTR_RECV_SEQ,		/* u8 */
+	L2TP_ATTR_SEND_SEQ,		/* u8 */
+	L2TP_ATTR_LNS_MODE,		/* u8 */
+	L2TP_ATTR_USING_IPSEC,		/* u8 */
+	L2TP_ATTR_RECV_TIMEOUT,		/* msec */
+	L2TP_ATTR_FD,			/* int */
+	L2TP_ATTR_IP_SADDR,		/* u32 */
+	L2TP_ATTR_IP_DADDR,		/* u32 */
+	L2TP_ATTR_UDP_SPORT,		/* u16 */
+	L2TP_ATTR_UDP_DPORT,		/* u16 */
+	L2TP_ATTR_MTU,			/* u16 */
+	L2TP_ATTR_MRU,			/* u16 */
+	L2TP_ATTR_STATS,		/* nested */
+	__L2TP_ATTR_MAX,
+};
+
+#define L2TP_ATTR_MAX			(__L2TP_ATTR_MAX - 1)
+
+/* Nested in L2TP_ATTR_STATS */
+enum {
+	L2TP_ATTR_STATS_NONE,		/* no data */
+	L2TP_ATTR_TX_PACKETS,		/* u64 */
+	L2TP_ATTR_TX_BYTES,		/* u64 */
+	L2TP_ATTR_TX_ERRORS,		/* u64 */
+	L2TP_ATTR_RX_PACKETS,		/* u64 */
+	L2TP_ATTR_RX_BYTES,		/* u64 */
+	L2TP_ATTR_RX_SEQ_DISCARDS,	/* u64 */
+	L2TP_ATTR_RX_OOS_PACKETS,	/* u64 */
+	L2TP_ATTR_RX_ERRORS,		/* u64 */
+	__L2TP_ATTR_STATS_MAX,
+};
+
+#define L2TP_ATTR_STATS_MAX		(__L2TP_ATTR_STATS_MAX - 1)
+
+enum l2tp_pwtype {
+	L2TP_PWTYPE_NONE = 0x0000,
+	L2TP_PWTYPE_ETH_VLAN = 0x0004,
+	L2TP_PWTYPE_ETH = 0x0005,
+	L2TP_PWTYPE_PPP = 0x0007,
+	L2TP_PWTYPE_PPP_AC = 0x0008,
+	L2TP_PWTYPE_IP = 0x000b,
+	__L2TP_PWTYPE_MAX
+};
+
+enum l2tp_l2spec_type {
+	L2TP_L2SPECTYPE_NONE,
+	L2TP_L2SPECTYPE_DEFAULT,
+};
+
+enum l2tp_encap_type {
+	L2TP_ENCAPTYPE_UDP,
+	L2TP_ENCAPTYPE_IP,
+};
+
+enum l2tp_seqmode {
+	L2TP_SEQ_NONE = 0,
+	L2TP_SEQ_IP = 1,
+	L2TP_SEQ_ALL = 2,
+};
+
+/*
+ * NETLINK_GENERIC related info
+ */
+#define L2TP_GENL_NAME		"l2tp"
+#define L2TP_GENL_VERSION	0x1
+
+#endif
diff --git a/accel-pppd/ctrl/l2tp/l2tp_prot.h b/accel-pppd/ctrl/l2tp/l2tp_prot.h
new file mode 100644
index 0000000..1c1d9da
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/l2tp_prot.h
@@ -0,0 +1,55 @@
+#ifndef __L2TP_PROT_H
+#define __L2TP_PROT_H
+
+#include <stdint.h>
+
+#define L2TP_PORT 1701
+
+struct l2tp_hdr_t
+{
+	uint8_t P:1;
+	uint8_t O:1;
+	uint8_t reserved2:1;
+	uint8_t S:1;
+	uint8_t reserved1:2;
+	uint8_t L:1;
+	uint8_t T:1;
+	uint8_t ver:4;
+	uint8_t reserved3:4;
+	uint16_t length;
+	union {
+		struct {
+			uint16_t tid;
+			uint16_t sid;
+		};
+		uint32_t cid;
+	};
+	uint16_t Ns;
+	uint16_t Nr;
+} __attribute__((packed));
+
+/*#define L2TP_T(hdr) (hdr->flags >> 15)
+#define L2TP_L(hdr) ((hdr->flags >> 14) & 1)
+#define L2TP_S(hdr) ((hdr->flags >> 10) & 1)
+#define L2TP_O(hdr) ((hdr->flags >> 8) & 1)
+#define L2TP_VER(hdr) (hdr->flags & 0xf)*/
+
+struct l2tp_avp_t
+{
+	uint16_t length:10;
+	uint16_t reserved:4;
+	uint16_t H:1;
+	uint16_t M:1;
+	uint16_t vendor;
+	uint16_t type;
+	uint8_t val[0];
+} __attribute__((packed));
+
+struct l2tp_avp_result_code
+{
+	uint16_t result_code;
+	uint16_t error_code;
+} __attribute__((packed));
+
+#endif
+
diff --git a/accel-pppd/ctrl/l2tp/netlink.c b/accel-pppd/ctrl/l2tp/netlink.c
new file mode 100644
index 0000000..7c8c79a
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/netlink.c
@@ -0,0 +1,94 @@
+#include <netlink/netlink.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/ctrl.h>
+
+#include "l2tp_kernel.h"
+#include "triton.h"
+
+static int family;
+
+void l2tp_nl_delete_tunnel(int tid)
+{
+	struct nl_sock *nl_sock;
+	struct nl_msg *msg;
+	
+	nl_sock = nl_socket_alloc();
+	msg = nlmsg_alloc();
+
+	genl_connect(nl_sock);
+
+	genlmsg_put(msg, NL_AUTO_PID, NL_AUTO_SEQ, family, 0, NLM_F_REQUEST, L2TP_CMD_TUNNEL_DELETE, L2TP_GENL_VERSION);
+	nla_put_u32(msg, L2TP_ATTR_CONN_ID, tid);
+
+	nl_send_auto_complete(nl_sock, msg);
+	nl_recvmsgs_default(nl_sock);
+
+	nlmsg_free(msg);
+	nl_close(nl_sock);
+	nl_socket_free(nl_sock);
+}
+
+void l2tp_nl_create_tunnel(int fd, int tid, int peer_tid)
+{
+	struct nl_sock *nl_sock;
+	struct nl_msg *msg;
+	
+	nl_sock = nl_socket_alloc();
+	msg = nlmsg_alloc();
+	
+	genl_connect(nl_sock);
+
+	genlmsg_put(msg, NL_AUTO_PID, NL_AUTO_SEQ, family, 0, NLM_F_REQUEST, L2TP_CMD_TUNNEL_CREATE, L2TP_GENL_VERSION);
+	nla_put_u16(msg, L2TP_ATTR_ENCAP_TYPE, L2TP_ENCAPTYPE_UDP);
+	nla_put_u8(msg, L2TP_ATTR_PROTO_VERSION, 2);
+	nla_put_u32(msg, L2TP_ATTR_CONN_ID, tid);
+	nla_put_u32(msg, L2TP_ATTR_PEER_CONN_ID, peer_tid);
+	nla_put_u32(msg, L2TP_ATTR_FD, fd);
+	//nla_put_u32(msg, L2TP_ATTR_DEBUG, 0xffffffff);
+
+	nl_send_auto_complete(nl_sock, msg);
+	nl_recvmsgs_default(nl_sock);
+
+	nlmsg_free(msg);
+	nl_close(nl_sock);
+	nl_socket_free(nl_sock);
+}
+
+void l2tp_nl_create_session(int tid, int sid, int peer_sid)
+{
+	struct nl_sock *nl_sock;
+	struct nl_msg *msg;
+	
+	nl_sock = nl_socket_alloc();
+	msg = nlmsg_alloc();
+	
+	genl_connect(nl_sock);
+
+	genlmsg_put(msg, NL_AUTO_PID, NL_AUTO_SEQ, family, 0, NLM_F_REQUEST, L2TP_CMD_SESSION_CREATE, L2TP_GENL_VERSION);
+	nla_put_u32(msg, L2TP_ATTR_CONN_ID, tid);
+	nla_put_u32(msg, L2TP_ATTR_SESSION_ID, sid);
+	nla_put_u32(msg, L2TP_ATTR_PEER_SESSION_ID, peer_sid);
+	nla_put_u16(msg, L2TP_ATTR_PW_TYPE, L2TP_PWTYPE_PPP);
+	nla_put_u8(msg, L2TP_ATTR_LNS_MODE, 1);
+	//nla_put_u32(msg, L2TP_ATTR_DEBUG, 0xffffffff);
+
+	nl_send_auto_complete(nl_sock, msg);
+	nl_recvmsgs_default(nl_sock);
+
+	nlmsg_free(msg);
+	nl_close(nl_sock);
+	nl_socket_free(nl_sock);
+}
+
+static void __init init(void)
+{
+	struct nl_sock *nl_sock = nl_socket_alloc();
+	
+	genl_connect(nl_sock);
+
+	family = genl_ctrl_resolve(nl_sock, L2TP_GENL_NAME);
+	
+	nl_close(nl_sock);
+	nl_socket_free(nl_sock);
+}
+
diff --git a/accel-pppd/ctrl/l2tp/packet.c b/accel-pppd/ctrl/l2tp/packet.c
new file mode 100644
index 0000000..e3f6896
--- /dev/null
+++ b/accel-pppd/ctrl/l2tp/packet.c
@@ -0,0 +1,494 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <arpa/inet.h>
+
+#include "triton.h"
+#include "log.h"
+#include "mempool.h"
+#include "memdebug.h"
+
+#include "l2tp.h"
+#include "attr_defs.h"
+
+static mempool_t attr_pool;
+static mempool_t pack_pool;
+static mempool_t buf_pool;
+
+void l2tp_packet_print(struct l2tp_packet_t *pack, void (*print)(const char *fmt, ...))
+{
+	struct l2tp_attr_t *attr;
+	struct l2tp_dict_value_t *val;
+
+	if (pack->hdr.ver == 2) {
+		print("[L2TP tid=%i sid=%i", ntohs(pack->hdr.tid), ntohs(pack->hdr.sid));
+		log_ppp_debug(" Ns=%i Nr=%i", ntohs(pack->hdr.Ns), ntohs(pack->hdr.Nr));
+	} else {
+		print("[L2TP cid=%u", pack->hdr.cid);
+		log_ppp_debug(" Ns=%i Nr=%i", ntohs(pack->hdr.Ns), ntohs(pack->hdr.Nr));
+	}
+
+	list_for_each_entry(attr, &pack->attrs, entry) {
+		print(" <%s", attr->attr->name);
+		val = l2tp_dict_find_value(attr->attr, attr->val);
+		if (val)
+			print(" %s", val->name);
+		else {
+			switch (attr->attr->type) {
+				case ATTR_TYPE_INT16:
+					print(" %i", attr->val.int16);
+					break;
+				case ATTR_TYPE_INT32:
+					print(" %i", attr->val.int32);
+					break;
+				case ATTR_TYPE_STRING:
+					print(" %s", attr->val.string);
+					break;
+			}
+		}
+		print(">");
+	}
+
+	print("]\n");
+}
+
+struct l2tp_packet_t *l2tp_packet_alloc(int ver, int msg_type, struct sockaddr_in *addr)
+{
+	struct l2tp_packet_t *pack = mempool_alloc(pack_pool);
+	if (!pack)
+		return NULL;
+	
+	memset(pack, 0, sizeof(*pack));
+	INIT_LIST_HEAD(&pack->attrs);
+	pack->hdr.ver = ver;
+	pack->hdr.T = 1;
+	pack->hdr.L = 1;
+	pack->hdr.S = 1;
+	memcpy(&pack->addr, addr, sizeof(*addr));
+
+	if (msg_type) {
+		if (l2tp_packet_add_int16(pack, Message_Type, msg_type, 1)) {
+			mempool_free(pack);
+			return NULL;
+		}
+	}
+
+	return pack;
+}
+
+void l2tp_packet_free(struct l2tp_packet_t *pack)
+{
+	struct l2tp_attr_t *attr;
+
+	while (!list_empty(&pack->attrs)) {
+		attr = list_entry(pack->attrs.next, typeof(*attr), entry);
+		if (attr->attr->type == ATTR_TYPE_OCTETS || attr->attr->type == ATTR_TYPE_STRING)
+			_free(attr->val.octets);
+		list_del(&attr->entry);
+		mempool_free(attr);
+	}
+
+	mempool_free(pack);
+}
+
+int l2tp_recv(int fd, struct l2tp_packet_t **p, struct in_pktinfo *pkt_info)
+{
+	int n, length;
+	uint8_t *buf;
+	struct l2tp_hdr_t *hdr;
+	struct l2tp_avp_t *avp;
+	struct l2tp_dict_attr_t *da;
+	struct l2tp_attr_t *attr, *RV = NULL;
+	uint8_t *ptr;
+	struct l2tp_packet_t *pack;
+	struct sockaddr_in addr;
+	socklen_t len = sizeof(addr);
+	struct msghdr msg;
+	char msg_control[128];
+	struct cmsghdr *cmsg;
+
+  *p = NULL;
+
+	if (pkt_info) {
+		memset(&msg, 0, sizeof(msg));
+		msg.msg_control = msg_control;
+		msg.msg_controllen = 128;
+		
+		n = recvmsg(fd, &msg, MSG_PEEK);
+		
+		if (n < 0) {
+			if (errno == EAGAIN)
+				return -1;
+			log_error("l2tp: recvmsg: %s\n", strerror(errno));
+			return 0;
+		}
+		
+		for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
+			if (cmsg->cmsg_level == IPPROTO_IP && cmsg->cmsg_type == IP_PKTINFO) {
+				memcpy(pkt_info, CMSG_DATA(cmsg), sizeof(*pkt_info));
+				break;
+			}
+		}
+	}
+
+	buf = mempool_alloc(buf_pool);
+	if (!buf) {
+		log_emerg("l2tp: out of memory\n");
+		return 0;
+	}
+	hdr = (struct l2tp_hdr_t *)buf;
+	ptr = (uint8_t *)(hdr + 1);
+
+	n = recvfrom(fd, buf, L2TP_MAX_PACKET_SIZE, 0, &addr, &len);
+
+	if (n < 0) {
+		mempool_free(buf);
+		if (errno == EAGAIN)
+			return -1;
+		log_error("l2tp: recv: %s\n", strerror(errno));
+		return 0;
+	}
+
+	if (n < sizeof(*hdr)) {
+		if (conf_verbose)
+			log_warn("l2tp: short packet received (%i/%i)\n", n, sizeof(*hdr));
+		goto out_err_hdr;
+	}
+
+	if (n < ntohs(hdr->length)) {
+		if (conf_verbose)
+			log_warn("l2tp: short packet received (%i/%i)\n", n, ntohs(hdr->length));
+		goto out_err_hdr;
+	}
+
+	if (hdr->T == 0)
+		goto out_err_hdr;
+
+	if (hdr->ver == 2) {
+		if (hdr->L == 0) {
+			if (conf_verbose)
+				log_warn("l2tp: incorrect message received (L=0)\n");
+			goto out_err_hdr;
+		}
+
+		if (hdr->S == 0) {
+			if (conf_verbose)
+				log_warn("l2tp: incorrect message received (S=0)\n");
+			goto out_err_hdr;
+		}
+
+		if (hdr->O == 1) {
+			if (conf_verbose)
+				log_warn("l2tp: incorrect message received (O=1)\n");
+			goto out_err_hdr;
+		}
+	} else if (hdr->ver != 3) {
+		if (conf_verbose)
+			log_warn("l2tp: protocol version %i is not supported\n", hdr->ver);
+		goto out_err_hdr;
+	}
+
+	pack = mempool_alloc(pack_pool);
+	if (!pack) {
+		log_emerg("l2tp: out of memory\n");
+		goto out_err_hdr;
+	}
+
+	memset(pack, 0, sizeof(*pack));
+	INIT_LIST_HEAD(&pack->attrs);
+
+	memcpy(&pack->addr, &addr, sizeof(addr));
+	memcpy(&pack->hdr, hdr, sizeof(*hdr));
+	length = ntohs(hdr->length) - sizeof(*hdr);
+
+	while (length) {
+		*(uint16_t *)ptr = ntohs(*(uint16_t *)ptr);
+		avp = (struct l2tp_avp_t *)ptr;
+
+		if (avp->length > length) {
+			if (conf_verbose)
+				log_warn("l2tp: incorrect avp received (exceeds message length)\n");
+			goto out_err;
+		}
+
+		if (avp->vendor)
+			goto skip;
+
+		da = l2tp_dict_find_attr_by_id(ntohs(avp->type));
+		if (!da) {
+			if (conf_verbose)
+				log_warn("l2tp: unknown avp received (type=%i, M=%u)\n", ntohs(avp->type), avp->M);
+			if (avp->M)
+				goto out_err;
+		} else {
+			if (da->M != -1 && da->M != avp->M) {
+				if (conf_verbose)
+					log_warn("l2tp: incorrect avp received (type=%i, M=%i, must be %i)\n", ntohs(avp->type), avp->M, da->M);
+				goto out_err;
+			}
+
+			if (da->H != -1 && da->H != avp->H) {
+				if (conf_verbose)
+					log_warn("l2tp: incorrect avp received (type=%i, H=%i, must be %i)\n", ntohs(avp->type), avp->H, da->H);
+				goto out_err;
+			}
+
+			if (avp->H) {
+				if (!RV) {
+					if (conf_verbose)
+						log_warn("l2tp: incorrect avp received (type=%i, H=1, but Random-Vector is not received)\n", ntohs(avp->type));
+					goto out_err;
+				} else {
+					if (conf_verbose)
+						log_warn("l2tp: hidden avp received (type=%i)\n", ntohs(avp->type));
+				}
+			}
+
+			attr = mempool_alloc(attr_pool);
+			memset(attr, 0, sizeof(*attr));
+			list_add_tail(&attr->entry, &pack->attrs);
+
+			attr->attr = da;
+			attr->M = avp->M;
+			attr->H = avp->H;
+			attr->length = avp->length - sizeof(*avp);
+			
+			if (attr->attr->id == Random_Vector)
+				RV = attr;
+
+			switch (da->type) {
+				case ATTR_TYPE_INT16:
+					if (avp->length != sizeof(*avp) + 2)
+						goto out_err_len;
+					attr->val.uint16 = ntohs(*(uint16_t *)avp->val);
+					break;
+				case ATTR_TYPE_INT32:
+					if (avp->length != sizeof(*avp) + 4)
+						goto out_err_len;
+					attr->val.uint32 = ntohl(*(uint32_t *)avp->val);
+					break;
+				case ATTR_TYPE_INT64:
+					if (avp->length != sizeof(*avp) + 8)
+						goto out_err_len;
+					attr->val.uint64 = *(uint64_t *)avp->val;
+					break;
+				case ATTR_TYPE_OCTETS:
+					attr->val.octets = _malloc(attr->length);
+					if (!attr->val.octets)
+						goto out_err_mem;
+					memcpy(attr->val.octets, avp->val, attr->length);
+					break;
+				case ATTR_TYPE_STRING:
+					attr->val.string = _malloc(attr->length + 1);
+					if (!attr->val.string)
+						goto out_err_mem;
+					memcpy(attr->val.string, avp->val, attr->length);
+					attr->val.string[attr->length] = 0;
+					break;
+			}
+		}
+skip:
+		ptr += avp->length;
+		length -= avp->length;
+	}
+
+	*p = pack;
+
+	mempool_free(buf);
+
+	return 0;
+
+out_err:
+	l2tp_packet_free(pack);
+out_err_hdr:
+	mempool_free(buf);
+	return 0;
+out_err_len:
+	if (conf_verbose)
+		log_warn("l2tp: incorrect avp received (type=%i, incorrect length %i)\n", ntohs(avp->type), avp->length);
+	goto out_err;
+out_err_mem:
+	log_emerg("l2tp: out of memory\n");
+	goto out_err;
+}
+
+int l2tp_packet_send(int sock, struct l2tp_packet_t *pack)
+{
+	uint8_t *buf = mempool_alloc(buf_pool);
+	struct l2tp_avp_t *avp;
+	struct l2tp_attr_t *attr;
+	uint8_t *ptr;
+	int n;
+	int len = sizeof(pack->hdr);
+
+	if (!buf) {
+		log_emerg("l2tp: out of memory\n");
+		return -1;
+	}
+
+	memset(buf, 0, L2TP_MAX_PACKET_SIZE);
+
+	ptr = buf + sizeof(pack->hdr);
+
+	list_for_each_entry(attr, &pack->attrs, entry) {
+		if (len + sizeof(*avp) + attr->length >= L2TP_MAX_PACKET_SIZE) {
+			log_error("l2tp: cann't send packet (exceeds maximum size)\n");
+			mempool_free(buf);
+			return -1;
+		}
+		avp = (struct l2tp_avp_t *)ptr;
+		avp->type = htons(attr->attr->id);
+		avp->M = attr->M;
+		avp->H = attr->H;
+		avp->length = sizeof(*avp) + attr->length;
+		*(uint16_t *)ptr = htons(*(uint16_t *)ptr);
+		switch (attr->attr->type) {
+			case ATTR_TYPE_INT16:
+				*(int16_t *)avp->val = htons(attr->val.int16);
+				break;
+			case ATTR_TYPE_INT32:
+				*(int32_t *)avp->val = htonl(attr->val.int32);
+				break;
+			case ATTR_TYPE_STRING:
+			case ATTR_TYPE_OCTETS:
+				memcpy(avp->val, attr->val.string, attr->length);
+				break;
+		}
+
+		ptr += sizeof(*avp) + attr->length;
+		len += sizeof(*avp) + attr->length;
+	}
+
+	pack->hdr.length = htons(len);
+	memcpy(buf, &pack->hdr, sizeof(pack->hdr));
+
+	n = write(sock, buf, ntohs(pack->hdr.length));
+	
+	mempool_free(buf);
+
+	if (n < 0) {
+		if (errno == EAGAIN) {
+			if (conf_verbose)
+				log_warn("l2tp: buffer overflow (packet lost)\n");
+		} else {
+			if (conf_verbose)
+				log_warn("l2tp: sendto: %s\n", strerror(errno));
+			return -1;
+		}
+	}
+
+	if (n != ntohs(pack->hdr.length)) {
+		if (conf_verbose)
+			log_warn("l2tp: short write (%i/%i)\n", n, ntohs(pack->hdr.length));
+	}
+
+	return 0;
+}
+
+static struct l2tp_attr_t *attr_alloc(int id, int M)
+{
+	struct l2tp_attr_t *attr;
+	struct l2tp_dict_attr_t *da;
+
+	da = l2tp_dict_find_attr_by_id(id);
+	if (!da)
+		return NULL;
+
+	attr = mempool_alloc(attr_pool);
+	if (!attr) {
+		log_emerg("l2tp: out of memory\n");
+		return NULL;
+	}
+
+	memset(attr, 0, sizeof(*attr));
+
+	attr->attr = da;
+
+	if (da->M != -1)
+		attr->M = da->M;
+	else
+		attr->M = M;
+
+	//if (da->H != -1)
+	//attr->H = da->H;
+
+	return attr;
+}
+
+int l2tp_packet_add_int16(struct l2tp_packet_t *pack, int id, int16_t val, int M)
+{
+	struct l2tp_attr_t *attr = attr_alloc(id, M);
+
+	if (!attr)
+		return -1;
+
+	attr->length = 2;
+	attr->val.int16 = val;
+	list_add_tail(&attr->entry, &pack->attrs);
+
+	return 0;
+}
+int l2tp_packet_add_int32(struct l2tp_packet_t *pack, int id, int32_t val, int M)
+{
+	struct l2tp_attr_t *attr = attr_alloc(id, M);
+
+	if (!attr)
+		return -1;
+
+	attr->length = 4;
+	attr->val.int32 = val;
+	list_add_tail(&attr->entry, &pack->attrs);
+
+	return 0;
+}
+int l2tp_packet_add_string(struct l2tp_packet_t *pack, int id, const char *val, int M)
+{
+	struct l2tp_attr_t *attr = attr_alloc(id, M);
+
+	if (!attr)
+		return -1;
+
+	attr->length = strlen(val);
+	attr->val.string = _strdup(val);
+	if (!attr->val.string) {
+		log_emerg("l2tp: out of memory\n");
+		mempool_free(attr);
+		return -1;
+	}
+	memcpy(attr->val.string, val, attr->length);
+	list_add_tail(&attr->entry, &pack->attrs);
+
+	return 0;
+}
+
+int l2tp_packet_add_octets(struct l2tp_packet_t *pack, int id, const uint8_t *val, int size, int M)
+{
+	struct l2tp_attr_t *attr = attr_alloc(id, M);
+
+	if (!attr)
+		return -1;
+
+	attr->length = size;
+	attr->val.octets = _malloc(size);
+	if (!attr->val.string) {
+		log_emerg("l2tp: out of memory\n");
+		mempool_free(attr);
+		return -1;
+	}
+	memcpy(attr->val.octets, val, attr->length);
+	list_add_tail(&attr->entry, &pack->attrs);
+
+	return 0;
+}
+
+static void __init init(void)
+{
+	attr_pool = mempool_create(sizeof(struct l2tp_attr_t));
+	pack_pool = mempool_create(sizeof(struct l2tp_packet_t));
+	buf_pool = mempool_create(L2TP_MAX_PACKET_SIZE);
+}
+
diff --git a/accel-pppd/ctrl/pppoe/CMakeLists.txt b/accel-pppd/ctrl/pppoe/CMakeLists.txt
new file mode 100644
index 0000000..b2c0584
--- /dev/null
+++ b/accel-pppd/ctrl/pppoe/CMakeLists.txt
@@ -0,0 +1,17 @@
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+
+SET(sources
+	pppoe.c
+	mac_filter.c
+	dpado.c
+	cli.c
+)
+
+IF (RADIUS)
+SET(sources ${sources} tr101.c)
+ENDIF(RADIUS)
+
+ADD_LIBRARY(pppoe SHARED ${sources})
+TARGET_LINK_LIBRARIES(pppoe crypto)
+
+INSTALL(TARGETS pppoe LIBRARY DESTINATION lib/accel-ppp)
diff --git a/accel-pppd/ctrl/pppoe/cli.c b/accel-pppd/ctrl/pppoe/cli.c
new file mode 100644
index 0000000..9929f66
--- /dev/null
+++ b/accel-pppd/ctrl/pppoe/cli.c
@@ -0,0 +1,205 @@
+#include <string.h>
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <net/ethernet.h>
+
+#include "triton.h"
+#include "cli.h"
+#include "ppp.h"
+#include "memdebug.h"
+
+#include "pppoe.h"
+
+static void show_interfaces(void *cli)
+{
+	struct pppoe_serv_t *serv;
+
+	cli_send(cli, "interface:   connections:    state:\r\n");
+	cli_send(cli, "-----------------------------------\r\n");
+
+	pthread_rwlock_rdlock(&serv_lock);
+	list_for_each_entry(serv, &serv_list, entry) {
+		cli_sendv(cli, "%9s    %11u    %6s\r\n", serv->ifname, serv->conn_cnt, serv->stopping ? "stop" : "active");
+	}
+	pthread_rwlock_unlock(&serv_lock);
+}
+
+static void intf_help(char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "pppoe interface add <name> - start pppoe server on specified interface\r\n");
+	cli_send(client, "pppoe interface del <name> - stop pppoe server on specified interface and drop his connections\r\n");
+	cli_send(client, "pppoe interface show - show interfaces on which pppoe server started\r\n");
+}
+
+static int intf_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
+{
+	if (fields_cnt == 2)
+		goto help;
+
+	if (fields_cnt == 3) {
+		if (!strcmp(fields[2], "show"))
+			show_interfaces(client);
+		else
+			goto help;
+
+		return CLI_CMD_OK;
+	}
+
+	if (fields_cnt != 4)
+		goto help;
+
+	if (!strcmp(fields[2], "add"))
+		pppoe_server_start(fields[3], client);
+	else if (!strcmp(fields[2], "del"))
+		pppoe_server_stop(fields[3]);
+	else
+		goto help;
+	
+	return CLI_CMD_OK;
+help:
+	intf_help(fields, fields_cnt, client);
+	return CLI_CMD_OK;
+}
+
+//===================================
+
+static int show_stat_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "pppoe:\r\n");
+	cli_sendv(client, "  active: %u\r\n", stat_active);
+	cli_sendv(client, "  delayed PADO: %u\r\n", stat_delayed_pado);
+	cli_sendv(client, "  recv PADI: %lu\r\n", stat_PADI_recv);
+	cli_sendv(client, "  sent PADO: %lu\r\n", stat_PADO_sent);
+	cli_sendv(client, "  recv PADR(dup): %lu(%lu)\r\n", stat_PADR_recv, stat_PADR_dup_recv);
+	cli_sendv(client, "  sent PADS: %lu\r\n", stat_PADS_sent);
+
+	return CLI_CMD_OK;
+}
+
+//===================================
+
+static void set_verbose_help(char * const *f, int f_cnt, void *cli)
+{
+	cli_send(cli, "pppoe set verbose <n> - set verbosity of pppoe logging\r\n");
+	cli_send(cli, "pppoe set PADO-delay <delay[,delay1:count1[,delay2:count2[,...]]]> - set PADO delays (ms)\r\n");
+	cli_send(cli, "pppoe set Service-Name <name> - set Service-Name to respond\r\n");
+	cli_send(cli, "pppoe set Service-Name * - respond with client's Service-Name\r\n");
+	cli_send(cli, "pppoe set AC-Name <name> - set AC-Name tag value\r\n");
+	cli_send(cli, "pppoe show verbose - show current verbose value\r\n");
+	cli_send(cli, "pppoe show PADO-delay - show current PADO delay value\r\n");
+	cli_send(cli, "pppoe show Service-Name - show current Service-Name value\r\n");
+	cli_send(cli, "pppoe show AC-Name - show current AC-Name tag value\r\n");
+}
+
+static int show_verbose_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	if (f_cnt != 3)
+		return CLI_CMD_SYNTAX;
+	
+	cli_sendv(cli, "%i\r\n", conf_verbose);
+	
+	return CLI_CMD_OK;
+}
+
+static int show_pado_delay_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	if (f_cnt != 3)
+		return CLI_CMD_SYNTAX;
+	
+	cli_sendv(cli, "%s\r\n", conf_pado_delay);
+	
+	return CLI_CMD_OK;
+}
+
+static int show_service_name_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	if (f_cnt != 3)
+		return CLI_CMD_SYNTAX;
+	
+	if (conf_service_name)
+		cli_sendv(cli, "%s\r\n", conf_service_name);
+	else
+		cli_sendv(cli, "*\r\n", conf_service_name);
+	
+	return CLI_CMD_OK;
+}
+
+static int show_ac_name_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	if (f_cnt != 3)
+		return CLI_CMD_SYNTAX;
+	
+	cli_sendv(cli, "%s\r\n", conf_ac_name);
+	
+	return CLI_CMD_OK;
+}
+
+static int set_verbose_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	if (f_cnt != 4)
+		return CLI_CMD_SYNTAX;
+	
+	if (!strcmp(f[3], "0"))
+		conf_verbose = 0;
+	else if (!strcmp(f[3], "1"))
+		conf_verbose = 1;
+	else
+		return CLI_CMD_INVAL;
+	
+	return CLI_CMD_OK;
+}
+
+static int set_pado_delay_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	if (f_cnt != 4)
+		return CLI_CMD_SYNTAX;
+
+	if (dpado_parse(f[3]))
+		return CLI_CMD_INVAL;
+
+	return CLI_CMD_OK;
+}
+
+static int set_service_name_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	if (f_cnt != 4)
+		return CLI_CMD_SYNTAX;
+	
+	if (conf_service_name)
+		_free(conf_service_name);
+
+	if (!strcmp(f[3], "*"))
+		conf_service_name = NULL;
+	else
+		conf_service_name = _strdup(f[3]);
+	
+	return CLI_CMD_OK;
+}
+
+static int set_ac_name_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	if (f_cnt != 4)
+		return CLI_CMD_SYNTAX;
+	
+	_free(conf_ac_name);
+	conf_ac_name = _strdup(f[3]);
+	
+	return CLI_CMD_OK;
+}
+//===================================
+
+
+static void __init init(void)
+{
+	cli_register_simple_cmd2(show_stat_exec, NULL, 2, "show", "stat");
+	cli_register_simple_cmd2(intf_exec, intf_help, 2, "pppoe", "interface");
+	cli_register_simple_cmd2(set_verbose_exec, set_verbose_help, 3, "pppoe", "set", "verbose");
+	cli_register_simple_cmd2(set_pado_delay_exec, NULL, 3, "pppoe", "set", "PADO-delay");
+	cli_register_simple_cmd2(set_service_name_exec, NULL, 3, "pppoe", "set", "Service-Name");
+	cli_register_simple_cmd2(set_ac_name_exec, NULL, 3, "pppoe", "set", "AC-Name");
+	cli_register_simple_cmd2(show_verbose_exec, NULL, 3, "pppoe", "show", "verbose");
+	cli_register_simple_cmd2(show_pado_delay_exec, NULL, 3, "pppoe", "show", "PADO-delay");
+	cli_register_simple_cmd2(show_service_name_exec, NULL, 3, "pppoe", "show", "Service-Name");
+	cli_register_simple_cmd2(show_ac_name_exec, NULL, 3, "pppoe", "show", "AC-Name");
+}
+
diff --git a/accel-pppd/ctrl/pppoe/dpado.c b/accel-pppd/ctrl/pppoe/dpado.c
new file mode 100644
index 0000000..3f56519
--- /dev/null
+++ b/accel-pppd/ctrl/pppoe/dpado.c
@@ -0,0 +1,162 @@
+#include <stdio.h>
+#include <string.h>
+#include <pthread.h>
+#include <errno.h>
+#include <limits.h>
+#include <netinet/in.h>
+#include <net/ethernet.h>
+
+#include "list.h"
+#include "cli.h"
+#include "triton.h"
+#include "log.h"
+#include "memdebug.h"
+
+#include "pppoe.h"
+
+struct dpado_range_t
+{
+	struct list_head entry;
+	unsigned int conn_cnt;
+	int pado_delay;
+};
+
+static pthread_mutex_t dpado_range_lock = PTHREAD_MUTEX_INITIALIZER;
+static LIST_HEAD(dpado_range_list);
+static struct dpado_range_t *dpado_range_next;
+static struct dpado_range_t *dpado_range_prev;
+int pado_delay;
+
+void dpado_check_next(int conn_cnt)
+{
+	pthread_mutex_lock(&dpado_range_lock);
+	if (dpado_range_next && conn_cnt == dpado_range_next->conn_cnt) {
+		pado_delay = dpado_range_next->pado_delay;
+		dpado_range_prev = dpado_range_next;
+		if (dpado_range_next->entry.next != &dpado_range_list)
+			dpado_range_next = list_entry(dpado_range_next->entry.next, typeof(*dpado_range_next), entry);
+		else
+			dpado_range_next = NULL;
+	/*printf("active=%i, prev=%i:%i, next=%i:%i, pado_delay=%i\n", stat_active, 
+	dpado_range_prev?dpado_range_prev->pado_delay:0,dpado_range_prev?dpado_range_prev->conn_cnt:0,
+	dpado_range_next?dpado_range_next->pado_delay:0,dpado_range_next?dpado_range_next->conn_cnt:0,
+	pado_delay);*/
+	}
+	pthread_mutex_unlock(&dpado_range_lock);
+}
+
+void dpado_check_prev(int conn_cnt)
+{
+	pthread_mutex_lock(&dpado_range_lock);
+	if (dpado_range_prev && conn_cnt == dpado_range_prev->conn_cnt) {
+		dpado_range_next = dpado_range_prev;
+		dpado_range_prev = list_entry(dpado_range_prev->entry.prev, typeof(*dpado_range_prev), entry);
+		pado_delay = dpado_range_prev->pado_delay;
+	/*printf("active=%i, prev=%i:%i, next=%i:%i, pado_delay=%i\n", stat_active, 
+	dpado_range_prev?dpado_range_prev->pado_delay:0,dpado_range_prev?dpado_range_prev->conn_cnt:0,
+	dpado_range_next?dpado_range_next->pado_delay:0,dpado_range_next?dpado_range_next->conn_cnt:0,
+	pado_delay);*/
+	}
+	pthread_mutex_unlock(&dpado_range_lock);
+}
+
+static void strip(char *str)
+{
+	char *ptr = str;
+	char *endptr = strchr(str, 0);
+	while (1) {
+		ptr = strchr(ptr, ' ');
+		if (ptr)
+			memmove(ptr, ptr + 1, endptr - ptr - 1);
+		else
+			break;
+	}
+}
+
+int dpado_parse(const char *str)
+{
+	char *str1 = _strdup(str);
+	char *ptr1, *ptr2, *ptr3, *endptr;
+	LIST_HEAD(range_list);
+	struct dpado_range_t *r;
+
+	strip(str1);
+
+	ptr1 = str1;
+
+	while (1) {
+		ptr2 = strchr(ptr1, ',');
+		if (ptr2)
+			*ptr2 = 0;
+		ptr3 = strchr(ptr1, ':');
+		if (ptr3)
+			*ptr3 = 0;
+
+		r = _malloc(sizeof(*r));
+		memset(r, 0, sizeof(*r));
+
+		r->pado_delay = strtol(ptr1, &endptr, 10);
+		if (*endptr)
+			goto out_err;
+
+		if (list_empty(&range_list))
+			r->conn_cnt = INT_MAX;
+		else {
+			if (!ptr3)
+				goto out_err;
+			r->conn_cnt = strtol(ptr3 + 1, &endptr, 10);
+			if (*endptr)
+				goto out_err;
+		}
+
+		list_add_tail(&r->entry, &range_list);
+		//printf("parsed range: %i:%i\n", r->pado_delay, r->conn_cnt);
+
+		if (!ptr2)
+			break;
+
+		ptr1 = ptr2 + 1;
+	}
+
+	pthread_mutex_lock(&dpado_range_lock);
+	while (!list_empty(&dpado_range_list)) {
+		r = list_entry(dpado_range_list.next, typeof(*r), entry);
+		list_del(&r->entry);
+		_free(r);
+	}
+
+	dpado_range_next = NULL;
+	dpado_range_prev = NULL;
+
+	while (!list_empty(&range_list)) {
+		r = list_entry(range_list.next, typeof(*r), entry);
+		list_del(&r->entry);
+		list_add_tail(&r->entry, &dpado_range_list);
+
+		if (!dpado_range_prev || stat_active >= r->conn_cnt)
+			dpado_range_prev = r;
+		else if (!dpado_range_next)
+			dpado_range_next = r;
+	}
+
+	pado_delay = dpado_range_prev->pado_delay;
+
+	if (conf_pado_delay)
+		_free(conf_pado_delay);
+	conf_pado_delay = _strdup(str);
+	/*printf("active=%i, prev=%i:%i, next=%i:%i, pado_delay=%i\n", stat_active, 
+	dpado_range_prev?dpado_range_prev->pado_delay:0,dpado_range_prev?dpado_range_prev->conn_cnt:0,
+	dpado_range_next?dpado_range_next->pado_delay:0,dpado_range_next?dpado_range_next->conn_cnt:0,
+	pado_delay);*/
+
+	pthread_mutex_unlock(&dpado_range_lock);
+
+	_free(str1);
+	return 0;
+
+out_err:
+	_free(str1);
+	log_emerg("pppoe: pado_delay: invalid format\n");
+	return -1;
+}
+
diff --git a/accel-pppd/ctrl/pppoe/mac_filter.c b/accel-pppd/ctrl/pppoe/mac_filter.c
new file mode 100644
index 0000000..9b101c6
--- /dev/null
+++ b/accel-pppd/ctrl/pppoe/mac_filter.c
@@ -0,0 +1,255 @@
+#include <stdio.h>
+#include <string.h>
+#include <pthread.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <net/ethernet.h>
+
+#include "list.h"
+#include "cli.h"
+#include "triton.h"
+#include "log.h"
+#include "ppp.h"
+#include "memdebug.h"
+
+#include "pppoe.h"
+
+struct mac_t
+{
+	struct list_head entry;
+	uint8_t addr[ETH_ALEN];
+};
+
+static LIST_HEAD(mac_list);
+static int type; // -1 - disabled, 1 - allow, 0 - denied
+static pthread_rwlock_t lock = PTHREAD_RWLOCK_INITIALIZER;
+static const char *conf_mac_filter;
+
+int mac_filter_check(const uint8_t *addr)
+{
+	struct mac_t *mac;
+	int res = type;
+
+	if (type == -1)
+		return 0;
+
+	pthread_rwlock_rdlock(&lock);
+	list_for_each_entry(mac, &mac_list, entry) {
+		if (memcmp(mac->addr, addr, ETH_ALEN))
+			continue;
+		res = !type;
+		break;
+	}
+	pthread_rwlock_unlock(&lock);
+
+	return res;
+}
+
+static int mac_filter_load(const char *opt)
+{
+	struct mac_t *mac;
+	FILE *f;
+	char *c;
+	char *name = _strdup(opt);
+	char *buf = _malloc(1024);
+	int n[ETH_ALEN];
+	int i, line = 0;
+
+	c = strstr(name, ",");
+	if (!c)
+		goto err_inval;
+
+	*c = 0;
+
+	if (!strcmp(c + 1, "allow"))
+		type = 1;
+	else if (!strcmp(c + 1, "deny"))
+		type = 0;
+	else
+		goto err_inval;
+
+	f = fopen(name, "r");
+	if (!f) {
+		log_emerg("pppoe: open '%s': %s\n", name, strerror(errno));
+		goto err;
+	}
+	
+	conf_mac_filter = opt;
+
+	pthread_rwlock_wrlock(&lock);
+	while (!list_empty(&mac_list)) {
+		mac = list_entry(mac_list.next, typeof(*mac), entry);
+		list_del(&mac->entry);
+		_free(mac);
+	}
+
+	while (fgets(buf, 1024, f)) {
+		line++;
+		if (buf[0] == '#' || buf[0] == ';' || buf[0] == '\n')
+			continue;
+		if (sscanf(buf, "%x:%x:%x:%x:%x:%x",
+			n + 0, n + 1, n + 2, n + 3, n + 4, n + 5) != 6) {
+			log_warn("pppoe: mac-filter:%s:%i: address is invalid\n", name, line);
+			continue;
+		}
+		mac = _malloc(sizeof(*mac));
+		for (i = 0; i < ETH_ALEN; i++) {
+			if (n[i] > 255) {
+				log_warn("pppoe: mac-filter:%s:%i: address is invalid\n", name, line);
+				_free(mac);
+				continue;
+			}
+			mac->addr[i] = n[i];
+		}
+		list_add_tail(&mac->entry, &mac_list);
+	}
+	pthread_rwlock_unlock(&lock);
+
+	fclose(f);
+
+	_free(name);
+	_free(buf);
+
+	return 0;
+
+err_inval:
+	log_emerg("pppoe: mac-filter format is invalid\n");
+err:
+	_free(name);
+	_free(buf);
+	return -1;
+}
+
+static void mac_filter_add(const char *addr, void *client)
+{
+	int n[ETH_ALEN];
+	struct mac_t *mac;
+	int i;
+
+	if (sscanf(addr, "%x:%x:%x:%x:%x:%x",
+		n + 0, n + 1, n + 2, n + 3, n + 4, n + 5) != 6) {
+		cli_send(client, "invalid format\r\n");
+		return;
+	}
+
+	mac = _malloc(sizeof(*mac));
+	for (i = 0; i < ETH_ALEN; i++) {
+		if (n[i] > 255) {
+			_free(mac);
+			cli_send(client, "invalid format\r\n");
+			return;
+		}
+		mac->addr[i] = n[i];
+	}
+
+	pthread_rwlock_wrlock(&lock);
+	list_add_tail(&mac->entry, &mac_list);
+	pthread_rwlock_unlock(&lock);
+}
+
+static void mac_filter_del(const char *addr, void *client)
+{
+	int n[ETH_ALEN];
+	uint8_t a[ETH_ALEN];
+	struct mac_t *mac;
+	int i;
+	int found = 0;
+
+	if (sscanf(addr, "%x:%x:%x:%x:%x:%x",
+		n + 0, n + 1, n + 2, n + 3, n + 4, n + 5) != 6) {
+		cli_send(client, "invalid format\r\n");
+		return;
+	}
+
+	for (i = 0; i < ETH_ALEN; i++) {
+		if (n[i] > 255) {
+			cli_send(client, "invalid format\r\n");
+			return;
+		}
+		a[i] = n[i];
+	}
+
+	pthread_rwlock_wrlock(&lock);
+	list_for_each_entry(mac, &mac_list, entry) {
+		if (memcmp(a, mac->addr, ETH_ALEN))
+			continue;
+		list_del(&mac->entry);
+		_free(mac);
+		found = 1;
+		break;
+	}
+	pthread_rwlock_unlock(&lock);
+
+	if (!found)
+		cli_send(client, "not found\r\n");
+}
+
+static void mac_filter_show(void *client)
+{
+	struct mac_t *mac;
+	const char *filter_type;
+
+	if (type == 0)
+		filter_type = "deny";
+	else if (type == 1)
+		filter_type = "allow";
+	else
+		filter_type = "disabled";
+
+	cli_sendv(client, "filter type: %s\r\n", filter_type);
+
+	pthread_rwlock_rdlock(&lock);
+	list_for_each_entry(mac, &mac_list, entry) {
+		cli_sendv(client, "%02x:%02x:%02x:%02x:%02x:%02x\r\n",
+			mac->addr[0], mac->addr[1], mac->addr[2],
+			mac->addr[3],	mac->addr[4], mac->addr[5]);
+	}
+	pthread_rwlock_unlock(&lock);
+}
+
+static void cmd_help(char * const *fields, int fields_cnt, void *client);
+static int cmd_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
+{
+	if (fields_cnt == 2)
+		goto help;
+
+	if (!strcmp(fields[2], "reload")) {
+		if (!conf_mac_filter)
+			cli_send(client, "error: mac-filter was not specified in the config\r\n");
+		else if (mac_filter_load(conf_mac_filter))
+			cli_send(client, "error: check logs\r\n");
+	} else if (!strcmp(fields[2], "add")) {
+		if (fields_cnt != 4)
+			goto help;
+		mac_filter_add(fields[3], client);
+	} else if (!strcmp(fields[2], "del")) {
+		if (fields_cnt != 4)
+			goto help;
+		mac_filter_del(fields[3], client);
+	} else if (!strcmp(fields[2], "show")) {
+		mac_filter_show(client);
+	}
+
+	return CLI_CMD_OK;
+help:
+	cmd_help(fields, fields_cnt, client);
+	return CLI_CMD_OK;
+}
+
+static void cmd_help(char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "pppoe mac-filter reload - reload mac-filter file\r\n");
+	cli_send(client, "pppoe mac-filter add <address> - add address to mac-filter list\r\n");
+	cli_send(client, "pppoe mac-filter del <address> - delete address from mac-filter list\r\n");
+	cli_send(client, "pppoe mac-filter show - show current mac-filter list\r\n");
+}
+
+static void __init init(void)
+{
+	const char *opt = conf_get_opt("pppoe", "mac-filter");
+	if (!opt || mac_filter_load(opt))
+		type = -1;
+	
+	cli_register_simple_cmd2(cmd_exec, cmd_help, 2, "pppoe", "mac-filter");
+}
+
diff --git a/accel-pppd/ctrl/pppoe/pppoe.c b/accel-pppd/ctrl/pppoe/pppoe.c
new file mode 100644
index 0000000..7860c4e
--- /dev/null
+++ b/accel-pppd/ctrl/pppoe/pppoe.c
@@ -0,0 +1,1288 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <string.h>
+#include <pthread.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <net/ethernet.h>
+#include <netpacket/packet.h>
+#include <arpa/inet.h>
+#include <printf.h>
+
+#include <openssl/md5.h>
+
+#include "events.h"
+#include "triton.h"
+#include "log.h"
+#include "ppp.h"
+#include "mempool.h"
+#include "cli.h"
+
+#ifdef RADIUS
+#include "radius.h"
+#endif
+
+#include "pppoe.h"
+
+#include "memdebug.h"
+
+struct pppoe_conn_t
+{
+	struct list_head entry;
+	struct triton_context_t ctx;
+	struct pppoe_serv_t *serv;
+	int disc_sock;
+	uint16_t sid;
+	uint8_t addr[ETH_ALEN];
+	int ppp_started:1;
+
+	struct pppoe_tag *relay_sid;
+	struct pppoe_tag *host_uniq;
+	struct pppoe_tag *service_name;
+	struct pppoe_tag *tr101;
+	uint8_t cookie[COOKIE_LENGTH];
+	
+	struct ppp_ctrl_t ctrl;
+	struct ppp_t ppp;
+#ifdef RADIUS
+	struct rad_plugin_t radius;
+#endif
+};
+
+struct delayed_pado_t
+{
+	struct list_head entry;
+	struct triton_timer_t timer;
+	struct pppoe_serv_t *serv;
+	uint8_t addr[ETH_ALEN];
+	struct pppoe_tag *host_uniq;
+	struct pppoe_tag *relay_sid;
+	struct pppoe_tag *service_name;
+};
+
+int conf_verbose;
+char *conf_service_name;
+char *conf_ac_name;
+int conf_ifname_in_sid;
+char *conf_pado_delay;
+
+static mempool_t conn_pool;
+static mempool_t pado_pool;
+
+unsigned int stat_active;
+unsigned int stat_delayed_pado;
+unsigned long stat_PADI_recv;
+unsigned long stat_PADO_sent;
+unsigned long stat_PADR_recv;
+unsigned long stat_PADR_dup_recv;
+unsigned long stat_PADS_sent;
+
+pthread_rwlock_t serv_lock = PTHREAD_RWLOCK_INITIALIZER;
+LIST_HEAD(serv_list);
+
+static uint8_t bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+static void pppoe_send_PADT(struct pppoe_conn_t *conn);
+static void _server_stop(struct pppoe_serv_t *serv);
+void pppoe_server_free(struct pppoe_serv_t *serv);
+static int init_secret(struct pppoe_serv_t *serv);
+
+static void disconnect(struct pppoe_conn_t *conn)
+{
+	if (conn->ppp_started) {
+		dpado_check_prev(__sync_fetch_and_sub(&stat_active, 1));
+		conn->ppp_started = 0;
+		ppp_terminate(&conn->ppp, TERM_USER_REQUEST, 1);
+	}
+
+	pppoe_send_PADT(conn);
+
+	close(conn->disc_sock);
+
+
+	triton_event_fire(EV_CTRL_FINISHED, &conn->ppp);
+
+	log_ppp_info1("disconnected\n");
+
+	pthread_mutex_lock(&conn->serv->lock);
+	conn->serv->conn[conn->sid] = NULL;
+	list_del(&conn->entry);
+	conn->serv->conn_cnt--;
+	if (conn->serv->stopping && conn->serv->conn_cnt == 0) {
+		pthread_mutex_unlock(&conn->serv->lock);
+		pppoe_server_free(conn->serv);
+	} else
+		pthread_mutex_unlock(&conn->serv->lock);
+
+	_free(conn->ctrl.calling_station_id);
+	_free(conn->ctrl.called_station_id);
+	_free(conn->service_name);
+	if (conn->host_uniq)
+		_free(conn->host_uniq);
+	if (conn->relay_sid)
+		_free(conn->relay_sid);
+
+	triton_context_unregister(&conn->ctx);
+
+	mempool_free(conn);
+}
+
+static void ppp_started(struct ppp_t *ppp)
+{
+	log_ppp_debug("pppoe: ppp started\n");
+}
+
+static void ppp_finished(struct ppp_t *ppp)
+{
+	struct pppoe_conn_t *conn = container_of(ppp, typeof(*conn), ppp);
+
+	log_ppp_debug("pppoe: ppp finished\n");
+
+	if (conn->ppp_started) {
+		dpado_check_prev(__sync_fetch_and_sub(&stat_active, 1));
+		conn->ppp_started = 0;
+		triton_context_call(&conn->ctx, (triton_event_func)disconnect, conn);
+	}
+}
+
+static void pppoe_conn_close(struct triton_context_t *ctx)
+{
+	struct pppoe_conn_t *conn = container_of(ctx, typeof(*conn), ctx);
+
+	if (conn->ppp_started)
+		ppp_terminate(&conn->ppp, TERM_ADMIN_RESET, 0);
+	else
+		disconnect(conn);
+}
+
+#ifdef RADIUS
+static int pppoe_rad_send_access_request(struct rad_plugin_t *rad, struct rad_packet_t *pack)
+{
+	struct pppoe_conn_t *conn = container_of(rad, typeof(*conn), radius);
+
+	if (conn->tr101)
+		return tr101_send_access_request(conn->tr101, pack);
+	
+	return 0;
+}
+
+static int pppoe_rad_send_accounting_request(struct rad_plugin_t *rad, struct rad_packet_t *pack)
+{
+	struct pppoe_conn_t *conn = container_of(rad, typeof(*conn), radius);
+
+	if (conn->tr101)
+		return tr101_send_accounting_request(conn->tr101, pack);
+	
+	return 0;
+}
+#endif
+
+static struct pppoe_conn_t *allocate_channel(struct pppoe_serv_t *serv, const uint8_t *addr, const struct pppoe_tag *host_uniq, const struct pppoe_tag *relay_sid, const struct pppoe_tag *service_name, const struct pppoe_tag *tr101, const uint8_t *cookie)
+{
+	struct pppoe_conn_t *conn;
+	int sid;
+
+	conn = mempool_alloc(conn_pool);
+	if (!conn) {
+		log_emerg("pppoe: out of memory\n");
+		return NULL;
+	}
+
+	memset(conn, 0, sizeof(*conn));
+
+	pthread_mutex_lock(&serv->lock);
+	for (sid = serv->sid + 1; sid != serv->sid; sid++) {
+		if (sid == MAX_SID)
+			sid = 1;
+		if (!serv->conn[sid]) {
+			conn->sid = sid;
+			serv->sid = sid;
+			serv->conn[sid] = conn;
+			list_add_tail(&conn->entry, &serv->conn_list);
+			serv->conn_cnt++;
+			break;
+		}
+	}
+	pthread_mutex_unlock(&serv->lock);
+
+	if (!conn->sid) {
+		log_warn("pppoe: no free sid available\n");
+		mempool_free(conn);
+		return NULL;
+	}
+	
+	conn->serv = serv;
+	memcpy(conn->addr, addr, ETH_ALEN);
+
+	if (host_uniq) {
+		conn->host_uniq = _malloc(sizeof(*host_uniq) + ntohs(host_uniq->tag_len));
+		memcpy(conn->host_uniq, host_uniq, sizeof(*host_uniq) + ntohs(host_uniq->tag_len));
+	}
+
+	if (relay_sid) {
+		conn->relay_sid = _malloc(sizeof(*relay_sid) + ntohs(relay_sid->tag_len));
+		memcpy(conn->relay_sid, relay_sid, sizeof(*relay_sid) + ntohs(relay_sid->tag_len));
+	}
+
+	if (tr101) {
+		conn->tr101 = _malloc(sizeof(*tr101) + ntohs(tr101->tag_len));
+		memcpy(conn->tr101, tr101, sizeof(*tr101) + ntohs(tr101->tag_len));
+	}
+
+	conn->service_name = _malloc(sizeof(*service_name) + ntohs(service_name->tag_len));
+	memcpy(conn->service_name, service_name, sizeof(*service_name) + ntohs(service_name->tag_len));
+
+	memcpy(conn->cookie, cookie, COOKIE_LENGTH);
+
+	conn->ctx.before_switch = log_switch;
+	conn->ctx.close = pppoe_conn_close;
+	conn->ctrl.ctx = &conn->ctx;
+	conn->ctrl.started = ppp_started;
+	conn->ctrl.finished = ppp_finished;
+	conn->ctrl.max_mtu = MAX_PPPOE_MTU;
+	conn->ctrl.name = "pppoe";
+
+	conn->ctrl.calling_station_id = _malloc(IFNAMSIZ + 19);
+	conn->ctrl.called_station_id = _malloc(IFNAMSIZ + 19);
+
+	if (conf_ifname_in_sid == 1 || conf_ifname_in_sid == 3)
+		sprintf(conn->ctrl.calling_station_id, "%s:%02x:%02x:%02x:%02x:%02x:%02x", serv->ifname,
+			addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+	else
+		sprintf(conn->ctrl.calling_station_id, "%02x:%02x:%02x:%02x:%02x:%02x",
+			addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+	
+	if (conf_ifname_in_sid == 2 || conf_ifname_in_sid == 3)
+		sprintf(conn->ctrl.called_station_id, "%s:%02x:%02x:%02x:%02x:%02x:%02x", serv->ifname,
+			serv->hwaddr[0], serv->hwaddr[1], serv->hwaddr[2], serv->hwaddr[3], serv->hwaddr[4], serv->hwaddr[5]);
+	else
+		sprintf(conn->ctrl.called_station_id, "%02x:%02x:%02x:%02x:%02x:%02x",
+			serv->hwaddr[0], serv->hwaddr[1], serv->hwaddr[2], serv->hwaddr[3], serv->hwaddr[4], serv->hwaddr[5]);
+	
+	ppp_init(&conn->ppp);
+
+	conn->ppp.ctrl = &conn->ctrl;
+	conn->ppp.chan_name = conn->ctrl.calling_station_id;
+	
+	triton_context_register(&conn->ctx, &conn->ppp);
+	triton_context_wakeup(&conn->ctx);
+	
+	triton_event_fire(EV_CTRL_STARTING, &conn->ppp);
+	triton_event_fire(EV_CTRL_STARTED, &conn->ppp);
+
+	conn->disc_sock = dup(serv->hnd.fd);
+
+	return conn;
+}
+
+static void connect_channel(struct pppoe_conn_t *conn)
+{
+	int sock;
+	struct sockaddr_pppox sp;
+
+	sock = socket(AF_PPPOX, SOCK_STREAM, PX_PROTO_OE);
+	if (!sock) {
+		log_error("pppoe: socket(PPPOX): %s\n", strerror(errno));
+		goto out_err;
+	}
+
+	memset(&sp, 0, sizeof(sp));
+
+	sp.sa_family = AF_PPPOX;
+	sp.sa_protocol = PX_PROTO_OE;
+	sp.sa_addr.pppoe.sid = htons(conn->sid);
+	strcpy(sp.sa_addr.pppoe.dev, conn->serv->ifname);
+	memcpy(sp.sa_addr.pppoe.remote, conn->addr, ETH_ALEN);
+
+	if (connect(sock, (struct sockaddr *)&sp, sizeof(sp))) {
+		log_error("pppoe: connect: %s\n", strerror(errno));
+		goto out_err_close;
+	}
+
+	conn->ppp.fd = sock;
+
+	if (establish_ppp(&conn->ppp))
+		goto out_err_close;
+	
+#ifdef RADIUS
+	if (conn->tr101) {
+		conn->radius.send_access_request = pppoe_rad_send_access_request;
+		conn->radius.send_accounting_request = pppoe_rad_send_accounting_request;
+		rad_register_plugin(&conn->ppp, &conn->radius);
+	}
+#endif
+
+	conn->ppp_started = 1;
+	
+	dpado_check_next(__sync_add_and_fetch(&stat_active, 1));
+	
+	return;
+
+out_err_close:
+	close(sock);
+out_err:
+	disconnect(conn);
+}
+
+static struct pppoe_conn_t *find_channel(struct pppoe_serv_t *serv, const uint8_t *cookie)
+{
+	struct pppoe_conn_t *conn;
+
+	list_for_each_entry(conn, &serv->conn_list, entry)
+		if (!memcmp(conn->cookie, cookie, COOKIE_LENGTH))
+			return conn;
+
+	return NULL;
+}
+
+static void print_tag_string(struct pppoe_tag *tag)
+{
+	int i;
+
+	for (i = 0; i < ntohs(tag->tag_len); i++)
+		log_info2("%c", tag->tag_data[i]);
+}
+
+static void print_tag_octets(struct pppoe_tag *tag)
+{
+	int i;
+
+	for (i = 0; i < ntohs(tag->tag_len); i++)
+		log_info2("%02x", (uint8_t)tag->tag_data[i]);
+}
+
+static void print_packet(uint8_t *pack)
+{
+	struct ethhdr *ethhdr = (struct ethhdr *)pack;
+	struct pppoe_hdr *hdr = (struct pppoe_hdr *)(pack + ETH_HLEN);
+	struct pppoe_tag *tag;
+	int n;
+
+	log_info2("[PPPoE ");
+
+	switch (hdr->code) {
+		case CODE_PADI:
+			log_info2("PADI");
+			break;
+		case CODE_PADO:
+			log_info2("PADO");
+			break;
+		case CODE_PADR:
+			log_info2("PADR");
+			break;
+		case CODE_PADS:
+			log_info2("PADS");
+			break;
+		case CODE_PADT:
+			log_info2("PADT");
+			break;
+	}
+	
+	log_info2(" %02x:%02x:%02x:%02x:%02x:%02x => %02x:%02x:%02x:%02x:%02x:%02x", 
+		ethhdr->h_source[0], ethhdr->h_source[1], ethhdr->h_source[2], ethhdr->h_source[3], ethhdr->h_source[4], ethhdr->h_source[5],
+		ethhdr->h_dest[0], ethhdr->h_dest[1], ethhdr->h_dest[2], ethhdr->h_dest[3], ethhdr->h_dest[4], ethhdr->h_dest[5]);
+
+	log_info2(" sid=%04x", ntohs(hdr->sid));
+
+	for (n = 0; n < ntohs(hdr->length); n += sizeof(*tag) + ntohs(tag->tag_len)) {
+		tag = (struct pppoe_tag *)(pack + ETH_HLEN + sizeof(*hdr) + n);
+		switch (ntohs(tag->tag_type)) {
+			case TAG_END_OF_LIST:
+				log_info2(" <End-Of-List>");
+				break;
+			case TAG_SERVICE_NAME:
+				log_info2(" <Service-Name ");
+				print_tag_string(tag);
+				log_info2(">");
+				break;
+			case TAG_AC_NAME:
+				log_info2(" <AC-Name ");
+				print_tag_string(tag);
+				log_info2(">");
+				break;
+			case TAG_HOST_UNIQ:
+				log_info2(" <Host-Uniq ");
+				print_tag_octets(tag);
+				log_info2(">");
+				break;
+			case TAG_AC_COOKIE:
+				log_info2(" <AC-Cookie ");
+				print_tag_octets(tag);
+				log_info2(">");
+				break;
+			case TAG_VENDOR_SPECIFIC:
+				if (ntohs(tag->tag_len) < 4)
+					log_info2(" <Vendor-Specific invalid>");
+				else
+					log_info2(" <Vendor-Specific %x>", ntohl(*(uint32_t *)tag->tag_data));
+				break;
+			case TAG_RELAY_SESSION_ID:
+				log_info2(" <Relay-Session-Id");
+				print_tag_octets(tag);
+				log_info2(">");
+				break;
+			case TAG_SERVICE_NAME_ERROR:
+				log_info2(" <Service-Name-Error>");
+				break;
+			case TAG_AC_SYSTEM_ERROR:
+				log_info2(" <AC-System-Error>");
+				break;
+			case TAG_GENERIC_ERROR:
+				log_info2(" <Generic-Error>");
+				break;
+			default:
+				log_info2(" <Unknown (%x)>", ntohs(tag->tag_type));
+				break;
+		}
+	}
+
+	log_info2("]\n");
+}
+
+static void generate_cookie(struct pppoe_serv_t *serv, const uint8_t *src, uint8_t *cookie)
+{
+	MD5_CTX ctx;
+	DES_cblock key;
+	DES_key_schedule ks;
+	int i;
+	union {
+		DES_cblock b[3];
+		uint8_t raw[24];
+	} u1, u2;
+
+	memset(&key, 0, sizeof(key));
+	DES_random_key(&key);
+	DES_set_key(&key, &ks);
+
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, serv->secret, SECRET_LENGTH);
+	MD5_Update(&ctx, serv->hwaddr, ETH_ALEN);
+	MD5_Update(&ctx, src, ETH_ALEN);
+	MD5_Update(&ctx, &key, 8);
+	MD5_Final(u1.raw, &ctx);
+
+	for (i = 0; i < 2; i++)
+		DES_ecb_encrypt(&u1.b[i], &u2.b[i], &ks, DES_ENCRYPT);
+	memcpy(u2.b[2], &key, 8);
+
+	for (i = 0; i < 3; i++)
+		DES_ecb_encrypt(&u2.b[i], &u1.b[i], &serv->des_ks, DES_ENCRYPT);
+	
+	memcpy(cookie, u1.raw, 24);
+}
+
+static int check_cookie(struct pppoe_serv_t *serv, const uint8_t *src, const uint8_t *cookie)
+{
+	MD5_CTX ctx;
+	DES_key_schedule ks;	
+	int i;
+	union {
+		DES_cblock b[3];
+		uint8_t raw[24];
+	} u1, u2;
+
+	memcpy(u1.raw, cookie, 24);
+
+	for (i = 0; i < 3; i++)
+		DES_ecb_encrypt(&u1.b[i], &u2.b[i], &serv->des_ks, DES_DECRYPT);
+	
+	if (DES_set_key_checked(&u2.b[2], &ks))
+		return -1;
+	
+	for (i = 0; i < 2; i++)
+		DES_ecb_encrypt(&u2.b[i], &u1.b[i], &ks, DES_DECRYPT);
+	
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, serv->secret, SECRET_LENGTH);
+	MD5_Update(&ctx, serv->hwaddr, ETH_ALEN);
+	MD5_Update(&ctx, src, ETH_ALEN);
+	MD5_Update(&ctx, u2.b[2], 8);
+	MD5_Final(u2.raw, &ctx);
+
+	return memcmp(u1.raw, u2.raw, 16);
+}
+
+static void setup_header(uint8_t *pack, const uint8_t *src, const uint8_t *dst, int code, uint16_t sid)
+{
+	struct ethhdr *ethhdr = (struct ethhdr *)pack;
+	struct pppoe_hdr *hdr = (struct pppoe_hdr *)(pack + ETH_HLEN);
+
+	memcpy(ethhdr->h_source, src, ETH_ALEN);
+	memcpy(ethhdr->h_dest, dst, ETH_ALEN);
+	ethhdr->h_proto = htons(ETH_P_PPP_DISC);
+
+	hdr->ver = 1;
+	hdr->type = 1;
+	hdr->code = code;
+	hdr->sid = htons(sid);
+	hdr->length = 0;
+}
+
+static void add_tag(uint8_t *pack, int type, const uint8_t *data, int len)
+{
+	struct pppoe_hdr *hdr = (struct pppoe_hdr *)(pack + ETH_HLEN);
+	struct pppoe_tag *tag = (struct pppoe_tag *)(pack + ETH_HLEN + sizeof(*hdr) + ntohs(hdr->length));
+
+	tag->tag_type = htons(type);
+	tag->tag_len = htons(len);
+	memcpy(tag->tag_data, data, len);
+
+	hdr->length = htons(ntohs(hdr->length) + sizeof(*tag) + len);
+}
+
+static void add_tag2(uint8_t *pack, const struct pppoe_tag *t)
+{
+	struct pppoe_hdr *hdr = (struct pppoe_hdr *)(pack + ETH_HLEN);
+	struct pppoe_tag *tag = (struct pppoe_tag *)(pack + ETH_HLEN + sizeof(*hdr) + ntohs(hdr->length));
+
+	memcpy(tag, t, sizeof(*t) + ntohs(t->tag_len));
+	
+	hdr->length = htons(ntohs(hdr->length) + sizeof(*tag) + ntohs(t->tag_len));
+}
+
+static void pppoe_send(int fd, const uint8_t *pack)
+{
+	struct pppoe_hdr *hdr = (struct pppoe_hdr *)(pack + ETH_HLEN);
+	int n, s;
+
+	s = ETH_HLEN + sizeof(*hdr) + ntohs(hdr->length);
+	n = write(fd, pack, s);
+	if (n < 0 )
+		log_error("pppoe: write: %s\n", strerror(errno));
+	else if (n != s) {
+		log_warn("pppoe: short write %i/%i\n", n,s);
+	}
+}
+
+static void pppoe_send_PADO(struct pppoe_serv_t *serv, const uint8_t *addr, const struct pppoe_tag *host_uniq, const struct pppoe_tag *relay_sid, const struct pppoe_tag *service_name)
+{
+	uint8_t pack[ETHER_MAX_LEN];
+	uint8_t cookie[COOKIE_LENGTH];
+
+	setup_header(pack, serv->hwaddr, addr, CODE_PADO, 0);
+
+	add_tag(pack, TAG_AC_NAME, (uint8_t *)conf_ac_name, strlen(conf_ac_name));
+	if (conf_service_name)
+		add_tag(pack, TAG_SERVICE_NAME, (uint8_t *)conf_service_name, strlen(conf_service_name));
+
+	if (service_name)
+		add_tag2(pack, service_name);
+	
+	generate_cookie(serv, addr, cookie);
+	add_tag(pack, TAG_AC_COOKIE, cookie, COOKIE_LENGTH);
+
+	if (host_uniq)
+		add_tag2(pack, host_uniq);
+	
+	if (relay_sid)
+		add_tag2(pack, relay_sid);
+
+	if (conf_verbose) {
+		log_info2("send ");
+		print_packet(pack);
+	}
+
+	__sync_add_and_fetch(&stat_PADO_sent, 1);
+	pppoe_send(serv->hnd.fd, pack);
+}
+
+static void pppoe_send_err(struct pppoe_serv_t *serv, const uint8_t *addr, const struct pppoe_tag *host_uniq, const struct pppoe_tag *relay_sid, int code, int tag_type)
+{
+	uint8_t pack[ETHER_MAX_LEN];
+
+	setup_header(pack, serv->hwaddr, addr, code, 0);
+
+	add_tag(pack, TAG_AC_NAME, (uint8_t *)conf_ac_name, strlen(conf_ac_name));
+	add_tag(pack, tag_type, NULL, 0);
+
+	if (host_uniq)
+		add_tag2(pack, host_uniq);
+	
+	if (relay_sid)
+		add_tag2(pack, relay_sid);
+
+	if (conf_verbose) {
+		log_info2("send ");
+		print_packet(pack);
+	}
+
+	pppoe_send(serv->hnd.fd, pack);
+}
+
+static void pppoe_send_PADS(struct pppoe_conn_t *conn)
+{
+	uint8_t pack[ETHER_MAX_LEN];
+
+	setup_header(pack, conn->serv->hwaddr, conn->addr, CODE_PADS, conn->sid);
+
+	add_tag(pack, TAG_AC_NAME, (uint8_t *)conf_ac_name, strlen(conf_ac_name));
+	
+	add_tag2(pack, conn->service_name);
+
+	if (conn->host_uniq)
+		add_tag2(pack, conn->host_uniq);
+	
+	if (conn->relay_sid)
+		add_tag2(pack, conn->relay_sid);
+
+	if (conf_verbose) {
+		log_info2("send ");
+		print_packet(pack);
+	}
+
+	__sync_add_and_fetch(&stat_PADS_sent, 1);
+	pppoe_send(conn->disc_sock, pack);
+}
+
+static void pppoe_send_PADT(struct pppoe_conn_t *conn)
+{
+	uint8_t pack[ETHER_MAX_LEN];
+
+	setup_header(pack, conn->serv->hwaddr, conn->addr, CODE_PADT, conn->sid);
+
+	add_tag(pack, TAG_AC_NAME, (uint8_t *)conf_ac_name, strlen(conf_ac_name));
+
+	add_tag2(pack, conn->service_name);
+
+	if (conn->host_uniq)
+		add_tag2(pack, conn->host_uniq);
+	
+	if (conn->relay_sid)
+		add_tag2(pack, conn->relay_sid);
+
+	if (conf_verbose) {
+		log_info2("send ");
+		print_packet(pack);
+	}
+
+	pppoe_send(conn->disc_sock, pack);
+}
+
+static void free_delayed_pado(struct delayed_pado_t *pado)
+{
+	triton_timer_del(&pado->timer);
+
+	__sync_sub_and_fetch(&stat_delayed_pado, 1);
+	list_del(&pado->entry);
+
+	if (pado->host_uniq)
+		_free(pado->host_uniq);
+	if (pado->relay_sid)
+		_free(pado->relay_sid);
+	if (pado->service_name)
+		_free(pado->service_name);
+
+	mempool_free(pado);
+}
+
+static void pado_timer(struct triton_timer_t *t)
+{
+	struct delayed_pado_t *pado = container_of(t, typeof(*pado), timer);
+
+	if (!ppp_shutdown)
+		pppoe_send_PADO(pado->serv, pado->addr, pado->host_uniq, pado->relay_sid, pado->service_name);
+
+	free_delayed_pado(pado);
+}
+
+static void pppoe_recv_PADI(struct pppoe_serv_t *serv, uint8_t *pack, int size)
+{
+	struct ethhdr *ethhdr = (struct ethhdr *)pack;
+	struct pppoe_hdr *hdr = (struct pppoe_hdr *)(pack + ETH_HLEN);
+	struct pppoe_tag *tag;
+	struct pppoe_tag *host_uniq_tag = NULL;
+	struct pppoe_tag *relay_sid_tag = NULL;
+	struct pppoe_tag *service_name_tag = NULL;
+	int n, service_match = 0;
+	struct delayed_pado_t *pado;
+
+	__sync_add_and_fetch(&stat_PADI_recv, 1);
+
+	if (ppp_shutdown || pado_delay == -1)
+		return;
+
+	if (hdr->sid) {
+		log_warn("pppoe: discarding PADI packet (sid is not zero)\n");
+		return;
+	}
+
+	if (conf_verbose) {
+		log_info2("recv ");
+		print_packet(pack);
+	}
+	
+	for (n = 0; n < ntohs(hdr->length); n += sizeof(*tag) + ntohs(tag->tag_len)) {
+		tag = (struct pppoe_tag *)(pack + ETH_HLEN + sizeof(*hdr) + n);
+		switch (ntohs(tag->tag_type)) {
+			case TAG_END_OF_LIST:
+				break;
+			case TAG_SERVICE_NAME:
+				if (conf_service_name && tag->tag_len) {
+					if (ntohs(tag->tag_len) != strlen(conf_service_name))
+						break;
+					if (memcmp(tag->tag_data, conf_service_name, ntohs(tag->tag_len)))
+						break;
+					service_match = 1;
+				} else {
+					service_name_tag = tag;
+					service_match = 1;
+				}
+				break;
+			case TAG_HOST_UNIQ:
+				host_uniq_tag = tag;
+				break;
+			case TAG_RELAY_SESSION_ID:
+				relay_sid_tag = tag;
+				break;
+		}
+	}
+
+	if (!service_match) {
+		if (conf_verbose)
+			log_warn("pppoe: discarding PADI packet (Service-Name mismatch)\n");
+		return;
+	}
+
+	if (pado_delay) {
+		list_for_each_entry(pado, &serv->pado_list, entry) {
+			if (memcmp(pado->addr, ethhdr->h_source, ETH_ALEN))
+				continue;
+			if (conf_verbose)
+				log_warn("pppoe: discarding PADI packet (already queued)\n");
+			return;
+		}
+		pado = mempool_alloc(pado_pool);
+		memset(pado, 0, sizeof(*pado));
+		pado->serv = serv;
+		memcpy(pado->addr, ethhdr->h_source, ETH_ALEN);
+
+		if (host_uniq_tag) {
+			pado->host_uniq = _malloc(sizeof(*host_uniq_tag) + ntohs(host_uniq_tag->tag_len));
+			memcpy(pado->host_uniq, host_uniq_tag, sizeof(*host_uniq_tag) + ntohs(host_uniq_tag->tag_len));
+		}
+
+		if (relay_sid_tag) {
+			pado->relay_sid = _malloc(sizeof(*relay_sid_tag) + ntohs(relay_sid_tag->tag_len));
+			memcpy(pado->relay_sid, relay_sid_tag, sizeof(*relay_sid_tag) + ntohs(relay_sid_tag->tag_len));
+		}
+
+		if (service_name_tag) {
+			pado->service_name = _malloc(sizeof(*service_name_tag) + ntohs(service_name_tag->tag_len));
+			memcpy(pado->service_name, service_name_tag, sizeof(*service_name_tag) + ntohs(service_name_tag->tag_len));
+		}
+
+		pado->timer.expire = pado_timer;
+		pado->timer.period = pado_delay;
+
+		triton_timer_add(&serv->ctx, &pado->timer, 0);
+
+		list_add_tail(&pado->entry, &serv->pado_list);
+		__sync_add_and_fetch(&stat_delayed_pado, 1);
+	} else
+		pppoe_send_PADO(serv, ethhdr->h_source, host_uniq_tag, relay_sid_tag, service_name_tag);
+}
+
+static void pppoe_recv_PADR(struct pppoe_serv_t *serv, uint8_t *pack, int size)
+{
+	struct ethhdr *ethhdr = (struct ethhdr *)pack;
+	struct pppoe_hdr *hdr = (struct pppoe_hdr *)(pack + ETH_HLEN);
+	struct pppoe_tag *tag;
+	struct pppoe_tag *host_uniq_tag = NULL;
+	struct pppoe_tag *relay_sid_tag = NULL;
+	struct pppoe_tag *ac_cookie_tag = NULL;
+	struct pppoe_tag *service_name_tag = NULL;
+	struct pppoe_tag *tr101_tag = NULL;
+	int n, service_match = 0;
+	struct pppoe_conn_t *conn;
+	int vendor_id;
+
+	__sync_add_and_fetch(&stat_PADR_recv, 1);
+
+	if (ppp_shutdown)
+		return;
+
+	if (!memcmp(ethhdr->h_dest, bc_addr, ETH_ALEN)) {
+		if (conf_verbose)
+			log_warn("pppoe: discard PADR (destination address is broadcast)\n");
+		return;
+	}
+	
+	if (hdr->sid) {
+		if (conf_verbose)
+			log_warn("pppoe: discarding PADR packet (sid is not zero)\n");
+		return;
+	}
+
+	if (conf_verbose) {
+		log_info2("recv ");
+		print_packet(pack);
+	}
+	
+	for (n = 0; n < ntohs(hdr->length); n += sizeof(*tag) + ntohs(tag->tag_len)) {
+		tag = (struct pppoe_tag *)(pack + ETH_HLEN + sizeof(*hdr) + n);
+		switch (ntohs(tag->tag_type)) {
+			case TAG_END_OF_LIST:
+				break;
+			case TAG_SERVICE_NAME:
+				service_name_tag = tag;
+				if (tag->tag_len == 0)
+					service_match = 1;
+				else if (conf_service_name) {
+					if (ntohs(tag->tag_len) != strlen(conf_service_name))
+						break;
+					if (memcmp(tag->tag_data, conf_service_name, ntohs(tag->tag_len)))
+						break;
+					service_match = 1;
+				} else {
+					service_match = 1;
+				}
+				break;
+			case TAG_HOST_UNIQ:
+				host_uniq_tag = tag;
+				break;
+			case TAG_AC_COOKIE:
+				ac_cookie_tag = tag;
+				break;
+			case TAG_RELAY_SESSION_ID:
+				relay_sid_tag = tag;
+				break;
+			case TAG_VENDOR_SPECIFIC:
+				if (ntohs(tag->tag_len) < 4)
+					continue;
+				vendor_id = ntohl(*(uint32_t *)tag->tag_data);
+				if (vendor_id == VENDOR_ADSL_FORUM)
+					tr101_tag = tag;
+				break;
+		}
+	}
+
+	if (!ac_cookie_tag) {
+		if (conf_verbose)
+			log_warn("pppoe: discard PADR packet (no AC-Cookie tag present)\n");
+		return;
+	}
+
+	if (ntohs(ac_cookie_tag->tag_len) != COOKIE_LENGTH) {
+		if (conf_verbose)
+			log_warn("pppoe: discard PADR packet (incorrect AC-Cookie tag length)\n");
+		return;
+	}
+
+	if (check_cookie(serv, ethhdr->h_source, (uint8_t *)ac_cookie_tag->tag_data)) {
+		if (conf_verbose)
+			log_warn("pppoe: discard PADR packet (incorrect AC-Cookie)\n");
+		return;
+	}
+
+	if (!service_match) {
+		if (conf_verbose)
+			log_warn("pppoe: Service-Name mismatch\n");
+		pppoe_send_err(serv, ethhdr->h_source, host_uniq_tag, relay_sid_tag, CODE_PADS, TAG_SERVICE_NAME_ERROR);
+		return;
+	}
+
+	pthread_mutex_lock(&serv->lock);
+	conn = find_channel(serv, (uint8_t *)ac_cookie_tag->tag_data);
+	if (conn && !conn->ppp.username) {
+		__sync_add_and_fetch(&stat_PADR_dup_recv, 1);
+		pppoe_send_PADS(conn);
+	}
+	pthread_mutex_unlock(&serv->lock);
+
+	if (conn)
+		return;
+
+	conn = allocate_channel(serv, ethhdr->h_source, host_uniq_tag, relay_sid_tag, service_name_tag, tr101_tag, (uint8_t *)ac_cookie_tag->tag_data);
+	if (!conn)
+		pppoe_send_err(serv, ethhdr->h_source, host_uniq_tag, relay_sid_tag, CODE_PADS, TAG_AC_SYSTEM_ERROR);
+	else {
+		pppoe_send_PADS(conn);
+		triton_context_call(&conn->ctx, (triton_event_func)connect_channel, conn);
+	}
+}
+
+static void pppoe_recv_PADT(struct pppoe_serv_t *serv, uint8_t *pack)
+{
+	struct ethhdr *ethhdr = (struct ethhdr *)pack;
+	struct pppoe_hdr *hdr = (struct pppoe_hdr *)(pack + ETH_HLEN);
+	struct pppoe_conn_t *conn;
+	
+	if (!memcmp(ethhdr->h_dest, bc_addr, ETH_ALEN)) {
+		if (conf_verbose)
+			log_warn("pppoe: discard PADT (destination address is broadcast)\n");
+		return;
+	}
+	
+	if (conf_verbose) {
+		log_info2("recv ");
+		print_packet(pack);
+	}
+
+	pthread_mutex_lock(&serv->lock);
+	conn = serv->conn[ntohs(hdr->sid)];
+	if (conn && !memcmp(conn->addr, ethhdr->h_source, ETH_ALEN))
+		triton_context_call(&conn->ctx, (void (*)(void *))disconnect, conn);
+	pthread_mutex_unlock(&serv->lock);
+}
+
+static int pppoe_serv_read(struct triton_md_handler_t *h)
+{
+	struct pppoe_serv_t *serv = container_of(h, typeof(*serv), hnd);
+	uint8_t pack[ETHER_MAX_LEN];
+	struct ethhdr *ethhdr = (struct ethhdr *)pack;
+	struct pppoe_hdr *hdr = (struct pppoe_hdr *)(pack + ETH_HLEN);
+	int n;
+
+	while (1) {
+		n = read(h->fd, pack, sizeof(pack));
+		if (n < 0) {
+			if (errno == EAGAIN)
+				break;
+			log_error("pppoe: read: %s\n", strerror(errno));
+			return 0;
+		}
+
+		if (n < ETH_HLEN + sizeof(*hdr)) {
+			if (conf_verbose)
+				log_warn("pppoe: short packet received (%i)\n", n);
+			continue;
+		}
+
+		if (mac_filter_check(ethhdr->h_source))
+			continue;
+
+		if (memcmp(ethhdr->h_dest, bc_addr, ETH_ALEN) && memcmp(ethhdr->h_dest, serv->hwaddr, ETH_ALEN))
+			continue;
+
+		if (!memcmp(ethhdr->h_source, bc_addr, ETH_ALEN)) {
+			if (conf_verbose)
+				log_warn("pppoe: discarding packet (host address is broadcast)\n");
+			continue;
+		}
+
+		if ((ethhdr->h_source[0] & 1) != 0) {
+			if (conf_verbose)
+				log_warn("pppoe: discarding packet (host address is not unicast)\n");
+			continue;
+		}
+
+		if (n < ETH_HLEN + sizeof(*hdr) + ntohs(hdr->length)) {
+			if (conf_verbose)
+				log_warn("pppoe: short packet received\n");
+			continue;
+		}
+
+		if (hdr->ver != 1) {
+			if (conf_verbose)
+				log_warn("pppoe: discarding packet (unsupported version %i)\n", hdr->ver);
+			continue;
+		}
+		
+		if (hdr->type != 1) {
+			if (conf_verbose)
+				log_warn("pppoe: discarding packet (unsupported type %i)\n", hdr->type);
+		}
+
+		switch (hdr->code) {
+			case CODE_PADI:
+				pppoe_recv_PADI(serv, pack, n);
+				break;
+			case CODE_PADR:
+				pppoe_recv_PADR(serv, pack, n);
+				break;
+			case CODE_PADT:
+				pppoe_recv_PADT(serv, pack);
+				break;
+		}
+	}
+	return 0;
+}
+
+static void pppoe_serv_close(struct triton_context_t *ctx)
+{
+	struct pppoe_serv_t *serv = container_of(ctx, typeof(*serv), ctx);
+
+	triton_md_disable_handler(&serv->hnd, MD_MODE_READ | MD_MODE_WRITE);
+
+	serv->stopping = 1;
+
+	pthread_mutex_lock(&serv->lock);
+	if (!serv->conn_cnt) {
+		pthread_mutex_unlock(&serv->lock);
+		pppoe_server_free(serv);
+		return;
+	}
+	pthread_mutex_unlock(&serv->lock);
+}
+
+void pppoe_server_start(const char *ifname, void *cli)
+{
+	struct pppoe_serv_t *serv;
+	int sock;
+	int opt = 1;
+	struct ifreq ifr;
+	struct sockaddr_ll sa;
+
+	pthread_rwlock_rdlock(&serv_lock);
+	list_for_each_entry(serv, &serv_list, entry) {
+		if (!strcmp(serv->ifname, ifname)) {
+			if (cli)
+				cli_send(cli, "error: already exists\r\n");
+			pthread_rwlock_unlock(&serv_lock);
+			return;
+		}
+	}
+	pthread_rwlock_unlock(&serv_lock);
+
+	serv = _malloc(sizeof(*serv));
+	memset(serv, 0, sizeof(*serv));
+
+	if (init_secret(serv)) {
+		if (cli)
+			cli_sendv(cli, "init secret failed\r\n");
+		_free(serv);
+		return;
+	}
+
+	sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_PPP_DISC));
+	if (sock < 0) {
+		if (cli)
+			cli_sendv(cli, "socket: %s\r\n", strerror(errno));
+		log_emerg("pppoe: socket: %s\n", strerror(errno));
+		_free(serv);
+		return;
+	}
+
+	if (setsockopt(sock, SOL_SOCKET, SO_BROADCAST, &opt, sizeof(opt))) {
+		if (cli)
+			cli_sendv(cli, "setsockopt(SO_BROADCAST): %s\r\n", strerror(errno));
+		log_emerg("pppoe: setsockopt(SO_BROADCAST): %s\n", strerror(errno));
+		goto out_err;
+	}
+
+	strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+	if (ioctl(sock, SIOCGIFHWADDR, &ifr)) {
+		if (cli)
+			cli_sendv(cli, "ioctl(SIOCGIFHWADDR): %s\r\n", strerror(errno));
+		log_emerg("pppoe: ioctl(SIOCGIFHWADDR): %s\n", strerror(errno));
+		goto out_err;
+	}
+
+#ifdef ARPHDR_ETHER
+	if (ifr.ifr_hwaddr.sa_family != ARPHDR_ETHER) {
+		log_emerg("pppoe: interface %s is not ethernet\n", ifname);
+		goto out_err;
+	}
+#endif
+
+	if ((ifr.ifr_hwaddr.sa_data[0] & 1) != 0) {
+		if (cli)
+			cli_sendv(cli, "interface %s has not unicast address\r\n", ifname);
+		log_emerg("pppoe: interface %s has not unicast address\n", ifname);
+		goto out_err;
+	}
+
+	memcpy(serv->hwaddr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
+
+	if (ioctl(sock, SIOCGIFMTU, &ifr)) {
+		if (cli)
+			cli_sendv(cli, "ioctl(SIOCGIFMTU): %s\r\n", strerror(errno));
+		log_emerg("pppoe: ioctl(SIOCGIFMTU): %s\n", strerror(errno));
+		goto out_err;
+	}
+
+	if (ifr.ifr_mtu < ETH_DATA_LEN) {
+		if (cli)
+			cli_sendv(cli, "interface %s has MTU of %i, should be %i\r\n", ifname, ifr.ifr_mtu, ETH_DATA_LEN);
+		log_emerg("pppoe: interface %s has MTU of %i, should be %i\n", ifname, ifr.ifr_mtu, ETH_DATA_LEN);
+	}
+	
+	if (ioctl(sock, SIOCGIFINDEX, &ifr)) {
+		if (cli)
+			cli_sendv(cli, "ioctl(SIOCGIFINDEX): %s\r\n", strerror(errno));
+		log_emerg("pppoe: ioctl(SIOCGIFINDEX): %s\n", strerror(errno));
+		goto out_err;
+	}
+
+	memset(&sa, 0, sizeof(sa));
+	sa.sll_family = AF_PACKET;
+	sa.sll_protocol = htons(ETH_P_PPP_DISC);
+	sa.sll_ifindex = ifr.ifr_ifindex;
+
+	if (bind(sock, (struct sockaddr *)&sa, sizeof(sa))) {
+		if (cli)
+			cli_sendv(cli, "bind: %s\n", strerror(errno));
+		log_emerg("pppoe: bind: %s\n", strerror(errno));
+		goto out_err;
+	}
+
+	if (fcntl(sock, F_SETFL, O_NONBLOCK)) {
+		if (cli)
+			cli_sendv(cli, "failed to set nonblocking mode: %s\n", strerror(errno));
+    log_emerg("pppoe: failed to set nonblocking mode: %s\n", strerror(errno));
+		goto out_err;
+	}
+
+	serv->ctx.close = pppoe_serv_close;
+	serv->ctx.before_switch = log_switch;
+	serv->hnd.fd = sock;
+	serv->hnd.read = pppoe_serv_read;
+	serv->ifname = _strdup(ifname);
+	pthread_mutex_init(&serv->lock, NULL);
+
+	INIT_LIST_HEAD(&serv->conn_list);
+	INIT_LIST_HEAD(&serv->pado_list);
+
+	triton_context_register(&serv->ctx, NULL);
+	triton_md_register_handler(&serv->ctx, &serv->hnd);
+	triton_md_enable_handler(&serv->hnd, MD_MODE_READ);
+	triton_context_wakeup(&serv->ctx);
+
+	pthread_rwlock_wrlock(&serv_lock);
+	list_add_tail(&serv->entry, &serv_list);
+	pthread_rwlock_unlock(&serv_lock);
+
+	return;
+
+out_err:
+	close(sock);
+	_free(serv);
+}
+
+static void _conn_stop(struct pppoe_conn_t *conn)
+{
+	ppp_terminate(&conn->ppp, 0, TERM_ADMIN_RESET);
+}
+
+static void _server_stop(struct pppoe_serv_t *serv)
+{
+	struct pppoe_conn_t *conn;
+
+	if (serv->stopping)
+		return;
+	
+	serv->stopping = 1;
+	triton_md_disable_handler(&serv->hnd, MD_MODE_READ | MD_MODE_WRITE);
+
+	pthread_mutex_lock(&serv->lock);
+	if (!serv->conn_cnt) {
+		pthread_mutex_unlock(&serv->lock);
+		pppoe_server_free(serv);
+		return;
+	}
+	list_for_each_entry(conn, &serv->conn_list, entry)
+		triton_context_call(&conn->ctx, (triton_event_func)_conn_stop, conn);
+	pthread_mutex_unlock(&serv->lock);
+}
+
+void pppoe_server_free(struct pppoe_serv_t *serv)
+{
+	struct delayed_pado_t *pado;
+
+	pthread_rwlock_wrlock(&serv_lock);
+	list_del(&serv->entry);
+	pthread_rwlock_unlock(&serv_lock);
+
+	while (!list_empty(&serv->pado_list)) {
+		pado = list_entry(serv->pado_list.next, typeof(*pado), entry);
+		free_delayed_pado(pado);
+	}
+
+	triton_md_unregister_handler(&serv->hnd);
+	close(serv->hnd.fd);
+	triton_context_unregister(&serv->ctx);
+	_free(serv->ifname);
+	_free(serv);
+}
+
+void pppoe_server_stop(const char *ifname)
+{
+	struct pppoe_serv_t *serv;
+
+	pthread_rwlock_rdlock(&serv_lock);
+	list_for_each_entry(serv, &serv_list, entry) {
+		if (strcmp(serv->ifname, ifname))
+			continue;
+		triton_context_call(&serv->ctx, (triton_event_func)_server_stop, serv);
+		break;
+	}
+	pthread_rwlock_unlock(&serv_lock);
+}
+
+static int init_secret(struct pppoe_serv_t *serv)
+{
+	int fd;
+	DES_cblock key;
+
+	fd = open("/dev/urandom", O_RDONLY);
+	if (fd < 0) {
+		log_emerg("pppoe: cann't open /dev/urandom: %s\n", strerror(errno));
+		return -1;
+	}
+
+	if (read(fd, serv->secret, SECRET_LENGTH) < 0) {
+		log_emerg("pppoe: faild to read /dev/urandom\n", strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+
+	memset(key, 0, sizeof(key));
+	DES_random_key(&key);
+	DES_set_key(&key, &serv->des_ks);
+
+	return 0;
+}
+
+static void __init pppoe_init(void)
+{
+	struct conf_sect_t *s = conf_get_section("pppoe");
+	struct conf_option_t *opt;
+
+	conn_pool = mempool_create(sizeof(struct pppoe_conn_t));
+	pado_pool = mempool_create(sizeof(struct delayed_pado_t));
+
+	if (!s) {
+		log_emerg("pppoe: no configuration, disabled...\n");
+		return;
+	}
+	
+	list_for_each_entry(opt, &s->items, entry) {
+		if (!strcmp(opt->name, "interface")) {
+			if (opt->val)
+				pppoe_server_start(opt->val, NULL);
+		} else if (!strcmp(opt->name, "verbose")) {
+			if (atoi(opt->val) > 0)
+				conf_verbose = 1;
+		}	else if (!strcmp(opt->name, "ac-name") || !strcmp(opt->name, "AC-Name")) {
+			if (opt->val && strlen(opt->val))
+				conf_ac_name = _strdup(opt->val);
+		} else if (!strcmp(opt->name, "service-name") || !strcmp(opt->name, "Service-Name")) {
+			if (opt->val && strlen(opt->val))
+				conf_service_name = _strdup(opt->val);
+		} else if (!strcmp(opt->name, "pado-delay") || !strcmp(opt->name, "PADO-delay")) {
+			if (dpado_parse(opt->val))
+				_exit(EXIT_FAILURE);
+		} else if (!strcmp(opt->name, "ifname-in-sid")) {
+			if (!opt->val)
+				continue;
+			if (!strcmp(opt->val, "called-sid"))
+				conf_ifname_in_sid = 1;
+			else if (!strcmp(opt->val, "calling-sid"))
+				conf_ifname_in_sid = 2;
+			else if (!strcmp(opt->val, "both"))
+				conf_ifname_in_sid = 3;
+			else if (atoi(opt->val) >= 0)
+				conf_ifname_in_sid = atoi(opt->val);
+		}
+	}
+
+	if (!conf_ac_name)
+		conf_ac_name = _strdup("accel-ppp");
+}
+
diff --git a/accel-pppd/ctrl/pppoe/pppoe.h b/accel-pppd/ctrl/pppoe/pppoe.h
new file mode 100644
index 0000000..2264dd1
--- /dev/null
+++ b/accel-pppd/ctrl/pppoe/pppoe.h
@@ -0,0 +1,117 @@
+#ifndef __PPPOE_H
+#define __PPPOE_H
+
+#include <pthread.h>
+
+#include <openssl/des.h>
+
+#include <linux/if.h>
+#include <linux/if_pppox.h>
+
+/* PPPoE codes */
+#define CODE_PADI           0x09
+#define CODE_PADO           0x07
+#define CODE_PADR           0x19
+#define CODE_PADS           0x65
+#define CODE_PADT           0xA7
+#define CODE_SESS           0x00
+
+/* PPPoE Tags */
+#define TAG_END_OF_LIST        0x0000
+#define TAG_SERVICE_NAME       0x0101
+#define TAG_AC_NAME            0x0102
+#define TAG_HOST_UNIQ          0x0103
+#define TAG_AC_COOKIE          0x0104
+#define TAG_VENDOR_SPECIFIC    0x0105
+#define TAG_RELAY_SESSION_ID   0x0110
+#define TAG_SERVICE_NAME_ERROR 0x0201
+#define TAG_AC_SYSTEM_ERROR    0x0202
+#define TAG_GENERIC_ERROR      0x0203
+
+/* Discovery phase states */
+#define STATE_SENT_PADI     0
+#define STATE_RECEIVED_PADO 1
+#define STATE_SENT_PADR     2
+#define STATE_SESSION       3
+#define STATE_TERMINATED    4
+
+/* Header size of a PPPoE packet */
+#define PPPOE_OVERHEAD 6  /* type, code, session, length */
+#define HDR_SIZE (sizeof(struct ethhdr) + PPPOE_OVERHEAD)
+#define MAX_PPPOE_PAYLOAD (ETH_DATA_LEN - PPPOE_OVERHEAD)
+#define MAX_PPPOE_MTU (MAX_PPPOE_PAYLOAD - 2)
+
+#define VENDOR_ADSL_FORUM 0xde9
+
+#define MAX_SID 65534
+#define SECRET_LENGTH 16
+#define COOKIE_LENGTH 24
+
+struct pppoe_tag_t
+{
+	struct list_head entry;
+	int type;
+	int len;
+};
+
+struct pppoe_packet_t
+{
+	uint8_t src[ETH_ALEN];
+	uint8_t dst[ETH_ALEN];
+	int code;
+	uint16_t sid;
+	struct list_head tags;
+};
+
+struct pppoe_serv_t
+{
+	struct list_head entry;
+	struct triton_context_t ctx;
+	struct triton_md_handler_t hnd;
+	uint8_t hwaddr[ETH_ALEN];
+	char *ifname;
+
+	uint8_t secret[SECRET_LENGTH];
+	DES_key_schedule des_ks;
+
+	pthread_mutex_t lock;
+	struct pppoe_conn_t *conn[MAX_SID];
+	uint16_t sid;
+	int stopping:1;
+
+	unsigned int conn_cnt;
+	struct list_head conn_list;
+	struct list_head pado_list;
+};
+
+extern int conf_verbose;
+extern char *conf_service_name;
+extern char *conf_ac_name;
+extern char *conf_pado_delay;
+
+extern unsigned int stat_active;
+extern unsigned int stat_delayed_pado;
+extern unsigned long stat_PADI_recv;
+extern unsigned long stat_PADO_sent;
+extern unsigned long stat_PADR_recv;
+extern unsigned long stat_PADR_dup_recv;
+extern unsigned long stat_PADS_sent;
+
+extern pthread_rwlock_t serv_lock;
+extern struct list_head serv_list;
+
+int mac_filter_check(const uint8_t *addr);
+void pppoe_server_start(const char *intf, void *client);
+void pppoe_server_stop(const char *intf);
+
+extern int pado_delay;
+void dpado_check_next(int conn_cnt);
+void dpado_check_prev(int conn_cnt);
+int dpado_parse(const char *str);
+
+struct rad_packet_t;
+int tr101_send_access_request(struct pppoe_tag *tr101, struct rad_packet_t *pack);
+int tr101_send_accounting_request(struct pppoe_tag *tr101, struct rad_packet_t *pack);
+
+#endif
+
diff --git a/accel-pppd/ctrl/pppoe/tr101.c b/accel-pppd/ctrl/pppoe/tr101.c
new file mode 100644
index 0000000..cfb0fbc
--- /dev/null
+++ b/accel-pppd/ctrl/pppoe/tr101.c
@@ -0,0 +1,97 @@
+#include <string.h>
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <net/ethernet.h>
+
+#include "triton.h"
+#include "ppp.h"
+#include "log.h"
+#include "radius.h"
+#include "memdebug.h"
+
+#include "pppoe.h"
+
+#define OPT_CIRCUIT_ID                0x01
+#define OPT_REMOTE_AGENT_ID           0x02
+#define OPT_ACTUAL_DATA_RATE_UP       0x81
+#define OPT_ACTUAL_DATA_RATE_DOWN     0x82
+#define OPT_MIN_DATA_RATE_UP          0x83
+#define OPT_MAX_DATA_RATE_DOWN        0x84
+
+static int tr101_send_request(struct pppoe_tag *tr101, struct rad_packet_t *pack, int type)
+{
+	uint8_t *ptr = (uint8_t *)tr101->tag_data + 4;
+	uint8_t *endptr = (uint8_t *)tr101->tag_data + ntohs(tr101->tag_len);
+	int id, len;
+	char str[64];
+
+	while (ptr < endptr) {
+		if (ptr + 2 > endptr)
+			goto inval;
+		id = *ptr++;
+		len = *ptr++;
+		if (ptr + len - 2 > endptr)
+			goto inval;
+		if (type && id > 0x80)
+			continue;
+		switch (id) {
+			case OPT_CIRCUIT_ID:
+				if (len - 2 > 63)
+					goto inval;
+				memcpy(str, ptr, len);
+				str[len - 2] = 0;
+				if (rad_packet_add_str(pack, "ADSL-Forum", "ADSL-Agent-Circuit-Id", str))
+					return -1;
+				break;
+			case OPT_REMOTE_AGENT_ID:
+				if (len - 2 > 63)
+					goto inval;
+				memcpy(str, ptr, len);
+				str[len - 2] = 0;
+				if (rad_packet_add_str(pack, "ADSL-Forum", "ADSL-Agent-Remote-Id", str))
+					return -1;
+				break;
+			case OPT_ACTUAL_DATA_RATE_UP:
+				if (len != 6)
+					goto inval;
+				if (rad_packet_add_int(pack, "ADSL-Forum", "Actual-Data-Rate-Upstream", ntohl(*(uint32_t *)ptr)))
+					return -1;
+				break;
+			case OPT_ACTUAL_DATA_RATE_DOWN:
+				if (len != 6)
+					goto inval;
+				if (rad_packet_add_int(pack, "ADSL-Forum", "Actual-Data-Rate-Downstream", ntohl(*(uint32_t *)ptr)))
+					return -1;
+				break;
+			case OPT_MIN_DATA_RATE_UP:
+				if (len != 6)
+					goto inval;
+				if (rad_packet_add_int(pack, "ADSL-Forum", "Minimum-Data-Rate-Upstream", ntohl(*(uint32_t *)ptr)))
+					return -1;
+				break;
+			case OPT_MAX_DATA_RATE_DOWN:
+				if (len != 6)
+					goto inval;
+				if (rad_packet_add_int(pack, "ADSL-Forum", "Maximum-Data-Rate-Upstream", ntohl(*(uint32_t *)ptr)))
+					return -1;
+				break;
+		}
+		ptr += len - 2;
+	}
+
+	return 0;
+
+inval:
+	log_ppp_warn("pppoe:tr101: invalid tag received\n");
+	return -1;
+}
+
+int tr101_send_access_request(struct pppoe_tag *tr101, struct rad_packet_t *pack)
+{
+	return tr101_send_request(tr101, pack, 1);
+}
+
+int tr101_send_accounting_request(struct pppoe_tag *tr101, struct rad_packet_t *pack)
+{
+	return tr101_send_request(tr101, pack, 0);
+}
diff --git a/accel-pppd/ctrl/pptp/CMakeLists.txt b/accel-pppd/ctrl/pptp/CMakeLists.txt
new file mode 100644
index 0000000..3199e7f
--- /dev/null
+++ b/accel-pppd/ctrl/pptp/CMakeLists.txt
@@ -0,0 +1,5 @@
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+
+ADD_LIBRARY(pptp SHARED pptp.c)
+
+INSTALL(TARGETS pptp LIBRARY DESTINATION lib/accel-ppp )
diff --git a/accel-pppd/ctrl/pptp/pptp.c b/accel-pppd/ctrl/pptp/pptp.c
new file mode 100644
index 0000000..687aecb
--- /dev/null
+++ b/accel-pppd/ctrl/pptp/pptp.c
@@ -0,0 +1,775 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <time.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+#include "if_pppox.h"
+
+#include "events.h"
+#include "list.h"
+#include "pptp_prot.h"
+#include "triton.h"
+#include "log.h"
+#include "ppp.h"
+#include "mempool.h"
+#include "iprange.h"
+#include "utils.h"
+#include "cli.h"
+
+#include "memdebug.h"
+
+#define STATE_IDLE 0
+#define STATE_ESTB 1
+#define STATE_PPP  2
+#define STATE_FIN  3
+#define STATE_CLOSE 4
+
+struct pptp_conn_t
+{
+	struct triton_context_t ctx;
+	struct triton_md_handler_t hnd;
+	struct triton_timer_t timeout_timer;
+	struct triton_timer_t echo_timer;
+	int call_id;
+	int peer_call_id;
+	int state;
+	int echo_sent;
+
+	uint8_t *in_buf;
+	int in_size;
+	uint8_t *out_buf;
+	int out_size;
+	int out_pos;
+
+	struct ppp_ctrl_t ctrl;
+	struct ppp_t ppp;
+};
+
+static int conf_timeout = 5;
+static int conf_echo_interval = 0;
+static int conf_echo_failure = 3;
+static int conf_verbose = 0;
+static mempool_t conn_pool;
+
+static unsigned int stat_starting;
+static unsigned int stat_active;
+
+static int pptp_read(struct triton_md_handler_t *h);
+static int pptp_write(struct triton_md_handler_t *h);
+static void pptp_timeout(struct triton_timer_t *);
+static void ppp_started(struct ppp_t *);
+static void ppp_finished(struct ppp_t *);
+
+static void disconnect(struct pptp_conn_t *conn)
+{
+	log_ppp_debug("pptp: disconnect\n");
+
+	triton_md_unregister_handler(&conn->hnd);
+	close(conn->hnd.fd);
+	
+	if (conn->timeout_timer.tpd)
+		triton_timer_del(&conn->timeout_timer);
+
+	if (conn->echo_timer.tpd)
+		triton_timer_del(&conn->echo_timer);
+
+	if (conn->state == STATE_PPP) {
+		__sync_sub_and_fetch(&stat_active, 1);
+		conn->state = STATE_CLOSE;
+		ppp_terminate(&conn->ppp, TERM_USER_REQUEST, 1);
+	} else if (conn->state != STATE_CLOSE)
+		__sync_sub_and_fetch(&stat_starting, 1);
+
+	triton_event_fire(EV_CTRL_FINISHED, &conn->ppp);
+	
+	log_ppp_info1("disconnected\n");
+
+	triton_context_unregister(&conn->ctx);
+
+	if (conn->ppp.chan_name)
+		_free(conn->ppp.chan_name);
+	
+	_free(conn->in_buf);
+	_free(conn->out_buf);
+	_free(conn->ctrl.calling_station_id);
+	_free(conn->ctrl.called_station_id);
+	mempool_free(conn);
+}
+
+static int post_msg(struct pptp_conn_t *conn, void *buf, int size)
+{
+	int n;
+	if (conn->out_size) {
+		log_error("pptp: buffer is not empty\n");
+		return -1;
+	}
+
+	n=write(conn->hnd.fd, buf, size);
+	if (n < 0) {
+		if (errno == EINTR || errno == EAGAIN)
+			n = 0;
+		else {
+			if (errno != EPIPE) {
+				if (conf_verbose)
+					log_ppp_info2("pptp: write: %s\n", strerror(errno));
+				return -1;
+			}
+		}
+	}
+
+	if ( n<size ) {
+		memcpy(conn->out_buf, buf + n, size - n);
+		triton_md_enable_handler(&conn->hnd, MD_MODE_WRITE);
+	}
+
+	return 0;
+}
+
+static int send_pptp_stop_ctrl_conn_rqst(struct pptp_conn_t *conn, int reason)
+{
+	struct pptp_stop_ctrl_conn msg = {
+		.header = PPTP_HEADER_CTRL(PPTP_STOP_CTRL_CONN_RQST),
+		.reason_result = hton8(reason),
+	};
+
+	if (conf_verbose)
+		log_ppp_info2("send [PPTP Stop-Ctrl-Conn-Request <Reason %i>]\n", reason);
+
+	return post_msg(conn, &msg, sizeof(msg));
+}
+
+static int send_pptp_stop_ctrl_conn_rply(struct pptp_conn_t *conn, int reason, int err_code)
+{
+	struct pptp_stop_ctrl_conn msg = {
+		.header = PPTP_HEADER_CTRL(PPTP_STOP_CTRL_CONN_RPLY),
+		.reason_result = hton8(reason),
+		.error_code = hton8(err_code),
+	};
+
+	if (conf_verbose)
+		log_ppp_info2("send [PPTP Stop-Ctrl-Conn-Reply <Result %i> <Error %i>]\n", msg.reason_result, msg.error_code);
+
+	return post_msg(conn, &msg, sizeof(msg));
+}
+static int pptp_stop_ctrl_conn_rqst(struct pptp_conn_t *conn)
+{
+	struct pptp_stop_ctrl_conn *msg = (struct pptp_stop_ctrl_conn *)conn->in_buf;
+	if (conf_verbose)
+		log_ppp_info2("recv [PPTP Stop-Ctrl-Conn-Request <Reason %i>]\n", msg->reason_result);
+
+	send_pptp_stop_ctrl_conn_rply(conn, PPTP_CONN_STOP_OK, 0);
+
+	return -1;
+}
+
+static int pptp_stop_ctrl_conn_rply(struct pptp_conn_t *conn)
+{	
+	struct pptp_stop_ctrl_conn *msg = (struct pptp_stop_ctrl_conn*)conn->in_buf;
+	if (conf_verbose)
+		log_ppp_info2("recv [PPTP Stop-Ctrl-Conn-Reply <Result %i> <Error %i>]\n", msg->reason_result, msg->error_code);
+	return -1;
+}
+
+static int send_pptp_start_ctrl_conn_rply(struct pptp_conn_t *conn, int res_code, int err_code)
+{
+	struct pptp_start_ctrl_conn msg = {
+		.header = PPTP_HEADER_CTRL(PPTP_START_CTRL_CONN_RPLY),
+		.version = htons(PPTP_VERSION),
+		.result_code = res_code,
+		.error_code = err_code,
+		.framing_cap = htonl(3),
+		.bearer_cap = htonl(3),
+		.max_channels = htons(1),
+		.firmware_rev = htons(PPTP_FIRMWARE_VERSION),
+	};
+
+	memset(msg.hostname, 0, sizeof(msg.hostname));
+	strcpy((char*)msg.hostname, PPTP_HOSTNAME);
+
+	memset(msg.vendor, 0, sizeof(msg.vendor));
+	strcpy((char*)msg.vendor, PPTP_VENDOR);
+
+	if (conf_verbose)
+		log_ppp_info2("send [PPTP Start-Ctrl-Conn-Reply <Version %i> <Result %i> <Error %i> <Framing %x> <Bearer %x> <Max-Chan %i>]\n", msg.version, msg.result_code, msg.error_code, ntohl(msg.framing_cap), ntohl(msg.bearer_cap), ntohs(msg.max_channels));
+
+	return post_msg(conn, &msg, sizeof(msg));
+}
+
+static int pptp_start_ctrl_conn_rqst(struct pptp_conn_t *conn)
+{
+	struct pptp_start_ctrl_conn *msg = (struct pptp_start_ctrl_conn *)conn->in_buf;
+
+	if (conf_verbose)
+		log_ppp_info2("recv [PPTP Start-Ctrl-Conn-Request <Version %i> <Framing %x> <Bearer %x> <Max-Chan %i>]\n", msg->version, ntohl(msg->framing_cap), ntohl(msg->bearer_cap), ntohs(msg->max_channels));
+
+	if (conn->state != STATE_IDLE) {
+		log_ppp_warn("unexpected PPTP_START_CTRL_CONN_RQST\n");
+		if (send_pptp_start_ctrl_conn_rply(conn, PPTP_CONN_RES_EXISTS, 0))
+			return -1;
+		return 0;
+	}
+
+	if (msg->version != htons(PPTP_VERSION)) {
+		log_ppp_warn("PPTP version mismatch: expecting %x, received %s\n", PPTP_VERSION, msg->version);
+		if (send_pptp_start_ctrl_conn_rply(conn, PPTP_CONN_RES_PROTOCOL, 0))
+			return -1;
+		return 0;
+	}
+	/*if (!(ntohl(msg->framing_cap) & PPTP_FRAME_SYNC)) {
+		log_ppp_warn("connection does not supports sync mode\n");
+		if (send_pptp_start_ctrl_conn_rply(conn, PPTP_CONN_RES_GE, 0))
+			return -1;
+		return 0;
+	}*/
+	if (send_pptp_start_ctrl_conn_rply(conn, PPTP_CONN_RES_SUCCESS, 0))
+		return -1;
+
+	triton_timer_mod(&conn->timeout_timer, 0);
+
+	conn->state = STATE_ESTB;
+
+	return 0;
+}
+
+static int send_pptp_out_call_rply(struct pptp_conn_t *conn, struct pptp_out_call_rqst *rqst, int call_id, int res_code, int err_code)
+{
+	struct pptp_out_call_rply msg = {
+		.header = PPTP_HEADER_CTRL(PPTP_OUT_CALL_RPLY),
+		.call_id = htons(call_id),
+		.call_id_peer = rqst->call_id,
+		.result_code = res_code,
+		.error_code = err_code,
+		.cause_code = 0,
+		.speed = rqst->bps_max,
+		.recv_size = rqst->recv_size,
+		.delay = 0,
+		.channel = 0,
+	};
+
+	if (conf_verbose)
+		log_ppp_info2("send [PPTP Outgoing-Call-Reply <Call-ID %x> <Peer-Call-ID %x> <Result %i> <Error %i> <Cause %i> <Speed %i> <Window-Size %i> <Delay %i> <Channel %x>]\n", ntohs(msg.call_id), ntohs(msg.call_id_peer), msg.result_code, msg.error_code, ntohs(msg.cause_code), ntohl(msg.speed), ntohs(msg.recv_size), ntohs(msg.delay), ntohl(msg.channel));
+
+	return post_msg(conn, &msg, sizeof(msg));
+}
+
+static int pptp_out_call_rqst(struct pptp_conn_t *conn)
+{
+	struct pptp_out_call_rqst *msg = (struct pptp_out_call_rqst *)conn->in_buf;
+	struct sockaddr_pppox src_addr, dst_addr;
+  struct sockaddr_in addr;
+	socklen_t addrlen;
+	int pptp_sock;
+
+	if (conf_verbose)
+		log_ppp_info2("recv [PPTP Outgoing-Call-Request <Call-ID %x> <Call-Serial %x> <Min-BPS %i> <Max-BPS %i> <Bearer %x> <Framing %x> <Window-Size %i> <Delay %i>]\n", ntohs(msg->call_id), ntohs(msg->call_sernum), ntohl(msg->bps_min), ntohl(msg->bps_max), ntohl(msg->bearer), ntohl(msg->framing), ntohs(msg->recv_size), ntohs(msg->delay));
+
+	if (conn->state != STATE_ESTB) {
+		log_ppp_warn("unexpected PPTP_OUT_CALL_RQST\n");
+		if (send_pptp_out_call_rply(conn, msg, 0, PPTP_CALL_RES_GE, PPTP_GE_NOCONN))
+			return -1;
+		return 0;
+	}
+
+	memset(&src_addr, 0, sizeof(src_addr));
+	src_addr.sa_family = AF_PPPOX;
+	src_addr.sa_protocol = PX_PROTO_PPTP;
+	src_addr.sa_addr.pptp.call_id = 0;
+	addrlen = sizeof(addr);
+	getsockname(conn->hnd.fd, (struct sockaddr*)&addr, &addrlen);
+	src_addr.sa_addr.pptp.sin_addr = addr.sin_addr;
+
+	memset(&dst_addr, 0, sizeof(dst_addr));
+	dst_addr.sa_family = AF_PPPOX;
+	dst_addr.sa_protocol = PX_PROTO_PPTP;
+	dst_addr.sa_addr.pptp.call_id = htons(msg->call_id);
+	addrlen = sizeof(addr);
+	getpeername(conn->hnd.fd, (struct sockaddr*)&addr, &addrlen);
+	dst_addr.sa_addr.pptp.sin_addr = addr.sin_addr;
+
+	pptp_sock = socket(AF_PPPOX, SOCK_STREAM, PX_PROTO_PPTP);
+	if (pptp_sock < 0) {
+		log_ppp_error("failed to create PPTP socket (%s)\n", strerror(errno));
+		return -1;
+	}
+	if (bind(pptp_sock, (struct sockaddr*)&src_addr, sizeof(src_addr))) {
+		log_ppp_error("failed to bind PPTP socket (%s)\n", strerror(errno));
+		close(pptp_sock);
+		return -1;
+	}
+	addrlen = sizeof(src_addr);
+	getsockname(pptp_sock, (struct sockaddr*)&src_addr, &addrlen);
+
+	if (connect(pptp_sock, (struct sockaddr*)&dst_addr, sizeof(dst_addr))) {
+		log_ppp_error("failed to connect PPTP socket (%s)\n", strerror(errno));
+		close(pptp_sock);
+		return -1;
+	}
+
+	if (send_pptp_out_call_rply(conn, msg, src_addr.sa_addr.pptp.call_id, PPTP_CALL_RES_OK, 0))
+		return -1;
+
+	conn->call_id = src_addr.sa_addr.pptp.call_id;
+	conn->peer_call_id = msg->call_id;
+	conn->ppp.fd = pptp_sock;
+	conn->ppp.chan_name = _strdup(inet_ntoa(dst_addr.sa_addr.pptp.sin_addr));
+
+	triton_event_fire(EV_CTRL_STARTED, &conn->ppp);
+
+	if (establish_ppp(&conn->ppp)) {
+		close(pptp_sock);
+		//if (send_pptp_stop_ctrl_conn_rqst(conn, 0, 0))
+		conn->state = STATE_FIN;
+		return -1;
+	}
+	conn->state = STATE_PPP;
+	__sync_sub_and_fetch(&stat_starting, 1);
+	__sync_add_and_fetch(&stat_active, 1);
+	
+	if (conn->timeout_timer.tpd)
+		triton_timer_del(&conn->timeout_timer);
+
+	if (conf_echo_interval) {
+		conn->echo_timer.period = conf_echo_interval * 1000;
+		triton_timer_add(&conn->ctx, &conn->echo_timer, 0);
+	}
+
+	return 0;
+}
+
+static int send_pptp_call_disconnect_notify(struct pptp_conn_t *conn, int result)
+{
+	struct pptp_call_clear_ntfy msg = {
+		.header = PPTP_HEADER_CTRL(PPTP_CALL_CLEAR_NTFY),
+		.call_id = htons(conn->peer_call_id),
+		.result_code = result,
+		.error_code = 0,
+		.cause_code = 0,
+	};
+
+	if (conf_verbose)
+		log_ppp_info2("send [PPTP Call-Disconnect-Notify <Call-ID %x> <Result %i> <Error %i> <Cause %i>]\n", ntohs(msg.call_id), msg.result_code, msg.error_code, msg.cause_code);
+	
+	return post_msg(conn, &msg, sizeof(msg));
+}
+
+static int pptp_call_clear_rqst(struct pptp_conn_t *conn)
+{
+	struct pptp_call_clear_rqst *rqst = (struct pptp_call_clear_rqst *)conn->in_buf;
+
+	if (conf_verbose)
+		log_ppp_info2("recv [PPTP Call-Clear-Request <Call-ID %x>]\n", ntohs(rqst->call_id));
+
+	if (conn->state == STATE_PPP) {
+		__sync_sub_and_fetch(&stat_active, 1);
+		conn->state = STATE_CLOSE;
+		ppp_terminate(&conn->ppp, TERM_USER_REQUEST, 1);
+	}
+
+	return send_pptp_call_disconnect_notify(conn, 4);
+}
+
+static int pptp_echo_rqst(struct pptp_conn_t *conn)
+{
+	struct pptp_echo_rqst *in_msg = (struct pptp_echo_rqst *)conn->in_buf;
+	struct pptp_echo_rply out_msg = {
+		.header = PPTP_HEADER_CTRL(PPTP_ECHO_RPLY),
+		.identifier = in_msg->identifier,
+		.result_code = 1,
+	};
+
+	if (conf_verbose) {
+		log_ppp_debug("recv [PPTP Echo-Request <Identifier %x>]\n", in_msg->identifier);
+		log_ppp_debug("send [PPTP Echo-Reply <Identifier %x>]\n", out_msg.identifier);
+	}
+
+	return post_msg(conn, &out_msg, sizeof(out_msg));
+}
+
+static int pptp_echo_rply(struct pptp_conn_t *conn)
+{
+	struct pptp_echo_rply *msg = (struct pptp_echo_rply *)conn->in_buf;
+	
+	if (conf_verbose)
+		log_ppp_debug("recv [PPTP Echo-Reply <Identifier %x>]\n", msg->identifier);
+
+	if (msg->identifier != conn->echo_sent) {
+		log_ppp_warn("pptp:echo: identifier mismatch\n");
+		//return -1;
+	}
+	conn->echo_sent = 0;
+	return 0;
+}
+static void pptp_send_echo(struct triton_timer_t *t)
+{
+	struct pptp_conn_t *conn = container_of(t, typeof(*conn), echo_timer);
+	struct pptp_echo_rqst msg = {
+		.header = PPTP_HEADER_CTRL(PPTP_ECHO_RQST),
+	};
+
+	if (++conn->echo_sent == conf_echo_failure) {
+		log_ppp_warn("pptp: no echo reply\n");
+		disconnect(conn);
+		return;
+	}
+
+	conn->echo_sent = random();
+	msg.identifier = conn->echo_sent;
+
+	if (conf_verbose)
+		log_ppp_debug("send [PPTP Echo-Request <Identifier %x>]\n", msg.identifier);
+
+	if (post_msg(conn, &msg, sizeof(msg)))
+		disconnect(conn);
+}
+
+static int process_packet(struct pptp_conn_t *conn)
+{
+	struct pptp_header *hdr = (struct pptp_header *)conn->in_buf;
+	switch(ntohs(hdr->ctrl_type))
+	{
+		case PPTP_START_CTRL_CONN_RQST:
+			return pptp_start_ctrl_conn_rqst(conn);
+		case PPTP_STOP_CTRL_CONN_RQST:
+			return pptp_stop_ctrl_conn_rqst(conn);
+		case PPTP_STOP_CTRL_CONN_RPLY:
+			return pptp_stop_ctrl_conn_rply(conn);
+		case PPTP_OUT_CALL_RQST:
+			return pptp_out_call_rqst(conn);
+		case PPTP_ECHO_RQST:
+			return pptp_echo_rqst(conn);
+		case PPTP_ECHO_RPLY:
+			return pptp_echo_rply(conn);
+		case PPTP_CALL_CLEAR_RQST:
+			return pptp_call_clear_rqst(conn);
+		case PPTP_SET_LINK_INFO:
+			if (conf_verbose)
+				log_ppp_info2("recv [PPTP Set-Link-Info]\n");
+			return 0;
+		default:
+			log_ppp_warn("recv [PPTP Unknown (%x)]\n", ntohs(hdr->ctrl_type));
+	}
+	return 0;
+}
+
+static int pptp_read(struct triton_md_handler_t *h)
+{
+	struct pptp_conn_t *conn=container_of(h,typeof(*conn),hnd);
+	struct pptp_header *hdr=(struct pptp_header *)conn->in_buf;
+	int n;
+
+	while(1) {
+		n = read(h->fd, conn->in_buf + conn->in_size, PPTP_CTRL_SIZE_MAX - conn->in_size);
+		if (n < 0) {
+			if (errno == EINTR)
+				continue;
+			if (errno == EAGAIN)
+				return 0;
+			log_ppp_error("pptp: read: %s\n",strerror(errno));
+			goto drop;
+		}
+		if (n == 0) {
+			if (conf_verbose)
+				log_ppp_info2("pptp: disconnect by peer\n");
+			goto drop;
+		}
+		conn->in_size += n;
+		if (conn->in_size >= sizeof(*hdr)) {
+			if (hdr->magic != htonl(PPTP_MAGIC)) {
+				log_ppp_error("pptp: invalid magic\n");
+				goto drop;
+			}
+			if (ntohs(hdr->length) >= PPTP_CTRL_SIZE_MAX) {
+				log_ppp_error("pptp: message is too long\n");
+				goto drop;
+			}
+			if (ntohs(hdr->length) > conn->in_size)
+				continue;
+			if (ntohs(hdr->length) <= conn->in_size) {
+				if (ntohs(hdr->length) != PPTP_CTRL_SIZE(ntohs(hdr->ctrl_type))) {
+					log_ppp_error("pptp: invalid message length\n");
+					goto drop;
+				}
+				if (process_packet(conn))
+					goto drop;
+				conn->in_size -= ntohs(hdr->length);
+				if (conn->in_size)
+					memmove(conn->in_buf, conn->in_buf + ntohs(hdr->length), conn->in_size);
+			}
+		}
+	}
+drop:
+	disconnect(conn);
+	return 1;
+}
+static int pptp_write(struct triton_md_handler_t *h)
+{
+	struct pptp_conn_t *conn = container_of(h, typeof(*conn), hnd);
+	int n;
+
+	while (1) {
+		n = write(h->fd, conn->out_buf+conn->out_pos, conn->out_size-conn->out_pos);
+
+		if (n < 0) {
+			if (errno == EINTR)
+				continue;
+			if (errno == EAGAIN)
+				n = 0;
+			else {
+				if (errno != EPIPE) {
+					if (conf_verbose)
+						log_ppp_info2("pptp: post_msg: %s\n", strerror(errno));
+				}
+				disconnect(conn);
+				return 1;
+			}
+		}
+
+		conn->out_pos += n;
+		if (conn->out_pos == conn->out_size) {
+			conn->out_pos = 0;
+			conn->out_size = 0;
+			triton_md_disable_handler(h, MD_MODE_WRITE);
+			return 0;
+		}
+	}
+}
+static void pptp_timeout(struct triton_timer_t *t)
+{
+	struct pptp_conn_t *conn = container_of(t, typeof(*conn), timeout_timer);
+	disconnect(conn);
+}
+static void pptp_close(struct triton_context_t *ctx)
+{
+	struct pptp_conn_t *conn = container_of(ctx, typeof(*conn), ctx);
+	if (conn->state == STATE_PPP) {
+		__sync_sub_and_fetch(&stat_active, 1);
+		conn->state = STATE_CLOSE;
+		ppp_terminate(&conn->ppp, TERM_ADMIN_RESET, 1);
+		if (send_pptp_call_disconnect_notify(conn, 3)) {
+			triton_context_call(&conn->ctx, (void (*)(void*))disconnect, conn);
+			return;
+		}
+	} else {
+		if (send_pptp_stop_ctrl_conn_rqst(conn, 0)) {
+			triton_context_call(&conn->ctx, (void (*)(void*))disconnect, conn);
+			return;
+		}
+	}
+
+	if (conn->timeout_timer.tpd)
+		triton_timer_mod(&conn->timeout_timer, 0);
+	else
+		triton_timer_add(ctx, &conn->timeout_timer, 0);
+}
+static void ppp_started(struct ppp_t *ppp)
+{
+	log_ppp_debug("pptp: ppp started\n");
+}
+static void ppp_finished(struct ppp_t *ppp)
+{
+	struct pptp_conn_t *conn = container_of(ppp, typeof(*conn), ppp);
+
+	if (conn->state != STATE_CLOSE) {
+		log_ppp_debug("pptp: ppp finished\n");
+		conn->state = STATE_CLOSE;
+		__sync_sub_and_fetch(&stat_active, 1);
+
+		if (send_pptp_call_disconnect_notify(conn, 3))
+			triton_context_call(&conn->ctx, (void (*)(void*))disconnect, conn);
+		else if (send_pptp_stop_ctrl_conn_rqst(conn, 0))
+			triton_context_call(&conn->ctx, (void (*)(void*))disconnect, conn);
+		else {
+			if (conn->timeout_timer.tpd)
+				triton_timer_mod(&conn->timeout_timer, 0);
+			else
+				triton_timer_add(&conn->ctx, &conn->timeout_timer, 0);
+		}
+	}
+}
+
+//==================================
+
+struct pptp_serv_t
+{
+	struct triton_context_t ctx;
+	struct triton_md_handler_t hnd;
+};
+
+static int pptp_connect(struct triton_md_handler_t *h)
+{
+  struct sockaddr_in addr;
+	socklen_t size = sizeof(addr);
+	int sock;
+	struct pptp_conn_t *conn;
+
+	while(1) {
+		sock = accept(h->fd, (struct sockaddr *)&addr, &size);
+		if (sock < 0) {
+			if (errno == EAGAIN)
+				return 0;
+			log_error("pptp: accept failed: %s\n", strerror(errno));
+			continue;
+		}
+
+		if (ppp_shutdown) {
+			close(sock);
+			continue;
+		}
+
+		log_info2("pptp: new connection from %s\n", inet_ntoa(addr.sin_addr));
+
+		if (iprange_client_check(addr.sin_addr.s_addr)) {
+			log_warn("pptp: IP is out of client-ip-range, droping connection...\n");
+			close(sock);
+			continue;
+		}
+
+		if (fcntl(sock, F_SETFL, O_NONBLOCK)) {
+			log_error("pptp: failed to set nonblocking mode: %s, closing connection...\n", strerror(errno));
+			close(sock);
+			continue;
+		}
+
+		conn = mempool_alloc(conn_pool);
+		memset(conn, 0, sizeof(*conn));
+		conn->hnd.fd = sock;
+		conn->hnd.read = pptp_read;
+		conn->hnd.write = pptp_write;
+		conn->ctx.close = pptp_close;
+		conn->ctx.before_switch = log_switch;
+		conn->in_buf = _malloc(PPTP_CTRL_SIZE_MAX);
+		conn->out_buf = _malloc(PPTP_CTRL_SIZE_MAX);
+		conn->timeout_timer.expire = pptp_timeout;
+		conn->timeout_timer.period = conf_timeout * 1000;
+		conn->echo_timer.expire = pptp_send_echo;
+		conn->ctrl.ctx = &conn->ctx;
+		conn->ctrl.started = ppp_started;
+		conn->ctrl.finished = ppp_finished;
+		conn->ctrl.max_mtu = PPTP_MAX_MTU;
+		conn->ctrl.name = "pptp";
+		
+		conn->ctrl.calling_station_id = _malloc(17);
+		conn->ctrl.called_station_id = _malloc(17);
+		u_inet_ntoa(addr.sin_addr.s_addr, conn->ctrl.calling_station_id);
+		getsockname(sock, &addr, &size);
+		u_inet_ntoa(addr.sin_addr.s_addr, conn->ctrl.called_station_id);
+	
+		ppp_init(&conn->ppp);
+		conn->ppp.ctrl = &conn->ctrl;
+
+		triton_context_register(&conn->ctx, &conn->ppp);
+		triton_md_register_handler(&conn->ctx, &conn->hnd);
+		triton_md_enable_handler(&conn->hnd,MD_MODE_READ);
+		triton_timer_add(&conn->ctx, &conn->timeout_timer, 0);
+		triton_context_wakeup(&conn->ctx);
+
+		triton_event_fire(EV_CTRL_STARTING, &conn->ppp);
+
+		__sync_add_and_fetch(&stat_starting, 1);
+	}
+	return 0;
+}
+static void pptp_serv_close(struct triton_context_t *ctx)
+{
+	struct pptp_serv_t *s=container_of(ctx,typeof(*s),ctx);
+	triton_md_unregister_handler(&s->hnd);
+	close(s->hnd.fd);
+	triton_context_unregister(ctx);
+}
+
+static struct pptp_serv_t serv=
+{
+	.hnd.read = pptp_connect,
+	.ctx.close = pptp_serv_close,
+	.ctx.before_switch = log_switch,
+};
+
+static int show_stat_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "pptp:\r\n");
+	cli_sendv(client,"  starting: %u\r\n", stat_starting);
+	cli_sendv(client,"  active: %u\r\n", stat_active);
+
+	return CLI_CMD_OK;
+}
+
+static void load_config(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("pptp", "timeout");
+	if (opt && atoi(opt) > 0)
+		conf_timeout = atoi(opt);
+	
+	opt = conf_get_opt("pptp", "echo-interval");
+	if (opt && atoi(opt) >= 0)
+		conf_echo_interval = atoi(opt);
+
+	opt = conf_get_opt("pptp", "echo-failure");
+	if (opt && atoi(opt) > 0)
+		conf_echo_failure = atoi(opt);
+
+	opt = conf_get_opt("pptp", "verbose");
+	if (opt && atoi(opt) > 0)
+		conf_verbose = 1;
+}
+
+static void __init pptp_init(void)
+{
+	struct sockaddr_in addr;
+	char *opt;
+	
+	serv.hnd.fd = socket(PF_INET, SOCK_STREAM, 0);
+  if (serv.hnd.fd < 0) {
+    log_emerg("pptp: failed to create server socket: %s\n", strerror(errno));
+    return;
+  }
+  addr.sin_family = AF_INET;
+  addr.sin_port = htons(PPTP_PORT);
+
+	opt = conf_get_opt("pptp", "bind");
+	if (opt)
+		addr.sin_addr.s_addr = inet_addr(opt);
+	else
+		addr.sin_addr.s_addr = htonl(INADDR_ANY);
+  
+  setsockopt(serv.hnd.fd, SOL_SOCKET, SO_REUSEADDR, &serv.hnd.fd, 4);  
+  if (bind (serv.hnd.fd, (struct sockaddr *) &addr, sizeof (addr)) < 0) {
+    log_emerg("pptp: failed to bind socket: %s\n", strerror(errno));
+		close(serv.hnd.fd);
+    return;
+  }
+
+  if (listen (serv.hnd.fd, 100) < 0) {
+    log_emerg("pptp: failed to listen socket: %s\n", strerror(errno));
+		close(serv.hnd.fd);
+    return;
+  }
+
+	if (fcntl(serv.hnd.fd, F_SETFL, O_NONBLOCK)) {
+    log_emerg("pptp: failed to set nonblocking mode: %s\n", strerror(errno));
+		close(serv.hnd.fd);
+    return;
+	}
+	
+	conn_pool = mempool_create(sizeof(struct pptp_conn_t));
+
+	load_config();
+
+	triton_context_register(&serv.ctx, NULL);
+	triton_md_register_handler(&serv.ctx, &serv.hnd);
+	triton_md_enable_handler(&serv.hnd, MD_MODE_READ);
+	triton_context_wakeup(&serv.ctx);
+
+	cli_register_simple_cmd2(show_stat_exec, NULL, 2, "show", "stat");
+	
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+}
+
diff --git a/accel-pppd/ctrl/pptp/pptp_prot.h b/accel-pppd/ctrl/pptp/pptp_prot.h
new file mode 100644
index 0000000..ee8cb34
--- /dev/null
+++ b/accel-pppd/ctrl/pptp/pptp_prot.h
@@ -0,0 +1,299 @@
+#ifndef PPTP_PROT_H
+#define PPTP_PROT_H
+
+#include <sys/types.h>
+
+#define PPTP_MAX_MTU 1436
+
+#define hton8(x)  (x)
+#define ntoh8(x)  (x)
+#define hton16(x) htons(x)
+#define ntoh16(x) ntohs(x)
+#define hton32(x) htonl(x)
+#define ntoh32(x) ntohl(x)
+
+/* PPTP magic numbers: ----------------------------------------- */
+
+#define PPTP_MAGIC 0x1A2B3C4D /* Magic cookie for PPTP datagrams */
+#define PPTP_PORT  1723       /* PPTP TCP port number            */
+#define PPTP_PROTO 47         /* PPTP IP protocol number         */
+
+/* PPTP result codes:---------------------------------------- */
+#define PPTP_CONN_RES_SUCCESS 1
+#define PPTP_CONN_RES_GE      2
+#define PPTP_CONN_RES_EXISTS  3
+#define PPTP_CONN_RES_AUTH 	  4
+#define PPTP_CONN_RES_PROTOCOL 5
+
+#define PPTP_CONN_STOP_OK     1
+#define PPTP_CONN_STOP_GE     2
+
+#define PPTP_CALL_RES_OK	    1
+#define PPTP_CALL_RES_GE	    2
+
+#define PPTP_GE_NOCONN				1
+
+/* Control Connection Message Types: --------------------------- */
+
+#define PPTP_MESSAGE_CONTROL	1
+#define PPTP_MESSAGE_MANAGE		2
+
+/* Control Message Types: -------------------------------------- */
+
+/* (Control Connection Management) */
+#define PPTP_START_CTRL_CONN_RQST	1
+#define PPTP_START_CTRL_CONN_RPLY	2
+#define PPTP_STOP_CTRL_CONN_RQST	3
+#define PPTP_STOP_CTRL_CONN_RPLY	4
+#define PPTP_ECHO_RQST					5
+#define PPTP_ECHO_RPLY					6
+
+/* (Call Management) */
+#define PPTP_OUT_CALL_RQST			7
+#define PPTP_OUT_CALL_RPLY			8
+#define PPTP_IN_CALL_RQST				9
+#define PPTP_IN_CALL_RPLY				10
+#define PPTP_IN_CALL_CONNECT		11
+#define PPTP_CALL_CLEAR_RQST		12
+#define PPTP_CALL_CLEAR_NTFY		13
+
+/* (Error Reporting) */
+#define PPTP_WAN_ERR_NTFY				14
+
+/* (PPP Session Control) */
+#define PPTP_SET_LINK_INFO			15
+
+/* PPTP version information: --------------------------------------*/
+#define PPTP_VERSION_STRING			"1.00"
+#define PPTP_VERSION						0x100
+#define PPTP_FIRMWARE_STRING		"0.01"
+#define PPTP_FIRMWARE_VERSION		0x001
+
+#define PPTP_HOSTNAME "local"
+#define PPTP_VENDOR   "cananian"
+
+/* PPTP capabilities: ---------------------------------------------*/
+
+/* (Framing capabilities for msg sender) */
+#define PPTP_FRAME_ASYNC				1
+#define PPTP_FRAME_SYNC					2
+#define PPTP_FRAME_ANY          3
+
+/* (Bearer capabilities for msg sender) */
+#define PPTP_BEARER_ANALOG			1
+#define PPTP_BEARER_DIGITAL 		2
+#define PPTP_BEARER_ANY					3
+
+#define PPTP_RESULT_GENERAL_ERROR 2
+
+/* (Reasons to close a connection) */
+#define PPTP_STOP_NONE		  		1 /* no good reason                        */
+#define PPTP_STOP_PROTOCOL	  	2 /* can't support peer's protocol version */
+#define PPTP_STOP_LOCAL_SHUTDOWN  3 /* requester is being shut down          */
+
+/* PPTP datagram structures (all data in network byte order): ----------*/
+
+struct pptp_header
+{
+  uint16_t length;	  		/* message length in octets, including header */
+  uint16_t pptp_type;	  /* PPTP message type. 1 for control message.  */
+  uint32_t magic;	  		/* this should be PPTP_MAGIC.                 */
+  uint16_t ctrl_type;	  /* Control message type (0-15)                */
+  uint16_t reserved0;	  /* reserved.  MUST BE ZERO.                   */
+}__attribute__((packed));
+
+struct pptp_start_ctrl_conn /* for control message types 1 and 2 */
+{
+  struct pptp_header header;
+
+  uint16_t version;      /* PPTP protocol version.  = PPTP_VERSION     */
+  uint8_t  result_code;    /* these two fields should be zero on rqst msg*/
+  uint8_t  error_code;   /* 0 unless result_code==2 (General Error)    */
+  uint32_t framing_cap;  /* Framing capabilities                       */
+  uint32_t bearer_cap;   /* Bearer Capabilities                        */
+  uint16_t max_channels; /* Maximum Channels (=0 for PNS, PAC ignores) */
+  uint16_t firmware_rev; /* Firmware or Software Revision              */
+  uint8_t  hostname[64]; /* Host Name (64 octets, zero terminated)     */
+  uint8_t  vendor[64];   /* Vendor string (64 octets, zero term.)      */
+}__attribute__((packed));
+
+struct pptp_stop_ctrl_conn /* for control message types 3 and 4 */
+{
+  struct pptp_header header;
+
+  uint8_t reason_result; /* reason for rqst, result for rply          */
+  uint8_t error_code;	  /* MUST be 0, unless rply result==2 (general err)*/
+  uint16_t reserved1;    /* MUST be 0                                */
+}__attribute__((packed));
+
+struct pptp_echo_rqst /* for control message type 5 */
+{
+  struct pptp_header header;
+  uint32_t identifier;   /* arbitrary value set by sender which is used */
+                          /* to match up reply and request               */
+}__attribute__((packed));
+
+struct pptp_echo_rply /* for control message type 6 */
+{
+  struct pptp_header header;
+  uint32_t identifier;	  /* should correspond to id of rqst             */
+  uint8_t result_code;
+  uint8_t error_code;    /* =0, unless result_code==2 (general error)   */
+  uint16_t reserved1;    /* MUST BE ZERO                                */
+}__attribute__((packed));
+
+struct pptp_out_call_rqst /* for control message type 7 */
+{
+  struct pptp_header header;
+  uint16_t call_id;	  /* Call ID (unique id used to multiplex data)  */
+  uint16_t call_sernum;  /* Call Serial Number (used for logging)       */
+  uint32_t bps_min;      /* Minimum BPS (lowest acceptable line speed)  */
+  uint32_t bps_max;	  /* Maximum BPS (highest acceptable line speed) */
+  uint32_t bearer;	  /* Bearer type                                 */
+  uint32_t framing;      /* Framing type                                */
+  uint16_t recv_size;	  /* Recv. Window Size (no. of buffered packets) */
+  uint16_t delay;	  /* Packet Processing Delay (in 1/10 sec)       */
+  uint16_t phone_len;	  /* Phone Number Length (num. of valid digits)  */
+  uint16_t reserved1;    /* MUST BE ZERO				 */
+  uint8_t  phone_num[64]; /* Phone Number (64 octets, null term.)       */
+  uint8_t subaddress[64]; /* Subaddress (64 octets, null term.)         */
+}__attribute__((packed));
+
+struct pptp_out_call_rply /* for control message type 8 */
+{
+  struct pptp_header header;
+  uint16_t call_id;      /* Call ID (used to multiplex data over tunnel)*/
+  uint16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst)*/
+  uint8_t  result_code;  /* Result Code (1 is no errors)                */
+  uint8_t  error_code;   /* Error Code (=0 unless result_code==2)       */
+  uint16_t cause_code;   /* Cause Code (addt'l failure information)     */
+  uint32_t speed;        /* Connect Speed (in BPS)                      */
+  uint16_t recv_size;    /* Recv. Window Size (no. of buffered packets) */
+  uint16_t delay;	  /* Packet Processing Delay (in 1/10 sec)       */
+  uint32_t channel;      /* Physical Channel ID (for logging)           */
+}__attribute__((packed));
+
+struct pptp_in_call_rqst /* for control message type 9 */
+{
+  struct pptp_header header;
+  uint16_t call_id;	  /* Call ID (unique id used to multiplex data)  */
+  uint16_t call_sernum;  /* Call Serial Number (used for logging)       */
+  uint32_t bearer;	  /* Bearer type                                 */
+  uint32_t channel;      /* Physical Channel ID (for logging)           */
+  uint16_t dialed_len;   /* Dialed Number Length (# of valid digits)    */
+  uint16_t dialing_len;  /* Dialing Number Length (# of valid digits)   */
+  uint8_t dialed_num[64]; /* Dialed Number (64 octets, zero term.)      */
+  uint8_t dialing_num[64]; /* Dialing Number (64 octets, zero term.)    */
+  uint8_t subaddress[64];  /* Subaddress (64 octets, zero term.)        */
+}__attribute__((packed));
+
+struct pptp_in_call_rply /* for control message type 10 */
+{
+  struct pptp_header header;
+  uint16_t call_id;      /* Call ID (used to multiplex data over tunnel)*/
+  uint16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst)*/
+  uint8_t  result_code;  /* Result Code (1 is no errors)                */
+  uint8_t  error_code;   /* Error Code (=0 unless result_code==2)       */
+  uint16_t recv_size;    /* Recv. Window Size (no. of buffered packets) */
+  uint16_t delay;	  /* Packet Processing Delay (in 1/10 sec)       */
+  uint16_t reserved1;    /* MUST BE ZERO                                */
+}__attribute__((packed));
+
+struct pptp_in_call_connect /* for control message type 11 */
+{
+  struct pptp_header header;
+  uint16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst)*/
+  uint16_t reserved1;    /* MUST BE ZERO                                */
+  uint32_t speed;        /* Connect Speed (in BPS)                      */
+  uint16_t recv_size;    /* Recv. Window Size (no. of buffered packets) */
+  uint16_t delay;	  /* Packet Processing Delay (in 1/10 sec)       */
+  uint32_t framing;      /* Framing type                                */
+}__attribute__((packed));
+
+struct pptp_call_clear_rqst /* for control message type 12 */
+{
+  struct pptp_header header;
+  uint16_t call_id;      /* Call ID (used to multiplex data over tunnel)*/
+  uint16_t reserved1;    /* MUST BE ZERO                                */
+}__attribute__((packed));
+
+struct pptp_call_clear_ntfy /* for control message type 13 */
+{
+  struct pptp_header header;
+  uint16_t call_id;      /* Call ID (used to multiplex data over tunnel)*/
+  uint8_t  result_code;  /* Result Code                                 */
+  uint8_t  error_code;   /* Error Code (=0 unless result_code==2)       */
+  uint16_t cause_code;   /* Cause Code (for ISDN, is Q.931 cause code)  */
+  uint16_t reserved1;    /* MUST BE ZERO                                */
+  uint8_t call_stats[128]; /* Call Statistics: 128 octets, ascii, 0-term */
+}__attribute__((packed));
+
+struct pptp_wan_err_ntfy  /* for control message type 14 */
+{
+  struct pptp_header header;
+  uint16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst)*/
+  uint16_t reserved1;    /* MUST BE ZERO                                */
+  uint32_t crc_errors;   /* CRC errors 				 */
+  uint32_t frame_errors; /* Framing errors 				 */
+  uint32_t hard_errors;  /* Hardware overruns 				 */
+  uint32_t buff_errors;  /* Buffer overruns				 */
+  uint32_t time_errors;  /* Time-out errors				 */
+  uint32_t align_errors; /* Alignment errors				 */
+}__attribute__((packed));
+
+struct pptp_set_link_info /* for control message type 15 */
+{
+  struct pptp_header header;
+  uint16_t call_id_peer; /* Peer's Call ID (call_id of pptp_out_call_rqst) */
+  uint16_t reserved1;    /* MUST BE ZERO                                   */
+  uint32_t send_accm;    /* Send ACCM (for PPP packets; default 0xFFFFFFFF)*/
+  uint32_t recv_accm;    /* Receive ACCM (for PPP pack.;default 0xFFFFFFFF)*/
+}__attribute__((packed));
+
+/* helpful #defines: -------------------------------------------- */
+#define pptp_isvalid_ctrl(header, type, length) \
+ (!( ( ntoh16(((struct pptp_header *)header)->length)    < (length)  ) ||   \
+     ( ntoh16(((struct pptp_header *)header)->pptp_type) !=(type)    ) ||   \
+     ( ntoh32(((struct pptp_header *)header)->magic)     !=PPTP_MAGIC) ||   \
+     ( ntoh16(((struct pptp_header *)header)->ctrl_type) > PPTP_SET_LINK_INFO) || \
+     ( ntoh16(((struct pptp_header *)header)->reserved0) !=0         ) ))
+
+#define PPTP_HEADER_CTRL(type)  \
+{ hton16(PPTP_CTRL_SIZE(type)), \
+  hton16(PPTP_MESSAGE_CONTROL), \
+  hton32(PPTP_MAGIC),           \
+  hton16(type), 0 }
+
+#define PPTP_CTRL_SIZE(type) ( \
+(type==PPTP_START_CTRL_CONN_RQST)?sizeof(struct pptp_start_ctrl_conn):	\
+(type==PPTP_START_CTRL_CONN_RPLY)?sizeof(struct pptp_start_ctrl_conn):	\
+(type==PPTP_STOP_CTRL_CONN_RQST )?sizeof(struct pptp_stop_ctrl_conn):	\
+(type==PPTP_STOP_CTRL_CONN_RPLY )?sizeof(struct pptp_stop_ctrl_conn):	\
+(type==PPTP_ECHO_RQST           )?sizeof(struct pptp_echo_rqst):	\
+(type==PPTP_ECHO_RPLY           )?sizeof(struct pptp_echo_rply):	\
+(type==PPTP_OUT_CALL_RQST       )?sizeof(struct pptp_out_call_rqst):	\
+(type==PPTP_OUT_CALL_RPLY       )?sizeof(struct pptp_out_call_rply):	\
+(type==PPTP_IN_CALL_RQST        )?sizeof(struct pptp_in_call_rqst):	\
+(type==PPTP_IN_CALL_RPLY        )?sizeof(struct pptp_in_call_rply):	\
+(type==PPTP_IN_CALL_CONNECT     )?sizeof(struct pptp_in_call_connect):	\
+(type==PPTP_CALL_CLEAR_RQST     )?sizeof(struct pptp_call_clear_rqst):	\
+(type==PPTP_CALL_CLEAR_NTFY     )?sizeof(struct pptp_call_clear_ntfy):	\
+(type==PPTP_WAN_ERR_NTFY        )?sizeof(struct pptp_wan_err_ntfy):	\
+(type==PPTP_SET_LINK_INFO       )?sizeof(struct pptp_set_link_info):	\
+0)
+#define max(a,b) (((a)>(b))?(a):(b))
+#define PPTP_CTRL_SIZE_MAX (			\
+max(sizeof(struct pptp_start_ctrl_conn),	\
+max(sizeof(struct pptp_echo_rqst),		\
+max(sizeof(struct pptp_echo_rply),		\
+max(sizeof(struct pptp_out_call_rqst),		\
+max(sizeof(struct pptp_out_call_rply),		\
+max(sizeof(struct pptp_in_call_rqst),		\
+max(sizeof(struct pptp_in_call_rply),		\
+max(sizeof(struct pptp_in_call_connect),	\
+max(sizeof(struct pptp_call_clear_rqst),	\
+max(sizeof(struct pptp_call_clear_ntfy),	\
+max(sizeof(struct pptp_wan_err_ntfy),		\
+max(sizeof(struct pptp_set_link_info), 0)))))))))))))
+
+#endif
diff --git a/accel-pppd/extra/CMakeLists.txt b/accel-pppd/extra/CMakeLists.txt
new file mode 100644
index 0000000..03d857a
--- /dev/null
+++ b/accel-pppd/extra/CMakeLists.txt
@@ -0,0 +1,19 @@
+ADD_LIBRARY(pppd_compat SHARED pppd_compat.c)
+ADD_LIBRARY(ippool SHARED ippool.c)
+ADD_LIBRARY(sigchld SHARED sigchld.c)
+ADD_LIBRARY(chap-secrets SHARED chap-secrets.c)
+
+INSTALL(TARGETS pppd_compat ippool sigchld chap-secrets
+	LIBRARY DESTINATION lib/accel-ppp
+)
+
+IF (SHAPER)
+	ADD_LIBRARY(shaper_tbf SHARED shaper_tbf.c)
+	IF (LIBNL_PREFIX)
+		SET_PROPERTY(TARGET shaper_tbf PROPERTY COMPILE_FLAGS "-I${LIBNL_PREFIX}/include")
+		SET_PROPERTY(TARGET shaper_tbf PROPERTY LINK_FLAGS "-L${LIBNL_PREFIX}/lib")
+	ENDIF (LIBNL_PREFIX)
+	TARGET_LINK_LIBRARIES(shaper_tbf nl m)
+	INSTALL(TARGETS shaper_tbf LIBRARY DESTINATION lib/accel-ppp)
+ENDIF (SHAPER)
+
diff --git a/accel-pppd/extra/chap-secrets.c b/accel-pppd/extra/chap-secrets.c
new file mode 100644
index 0000000..3550347
--- /dev/null
+++ b/accel-pppd/extra/chap-secrets.c
@@ -0,0 +1,281 @@
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "pwdb.h"
+#include "ipdb.h"
+#include "ppp.h"
+#include "events.h"
+#include "triton.h"
+#include "log.h"
+
+#include "memdebug.h"
+
+static char *def_chap_secrets = "/etc/ppp/chap-secrets";
+static char *conf_chap_secrets;
+static in_addr_t conf_gw_ip_address = 0;
+
+static void *pd_key;
+static struct ipdb_t ipdb;
+
+struct cs_pd_t
+{
+	struct ppp_pd_t pd;
+	struct ipdb_item_t ip;
+	char *passwd;
+	char *rate;
+};
+
+static char *skip_word(char *ptr)
+{
+	char quote = 0;
+
+	if (*ptr == '\'' || *ptr == '"') {
+		quote = *ptr;
+		ptr++;
+	}
+
+	for(; *ptr; ptr++) {
+		if (quote) {
+			if (*ptr == '\n')
+				break;
+			if (*ptr == '\\' && ptr[1] && ptr[1] != '\n') {
+				memmove(ptr, ptr + 1, strlen(ptr));
+				continue;
+			}
+			if (*ptr == quote) {
+				*ptr = ' ';
+				break;
+			}
+		} else if (*ptr == ' ' || *ptr == '\t' || *ptr == '\n') 
+			break;
+	}
+	return ptr;
+}
+static char *skip_space(char *ptr)
+{
+	for(; *ptr; ptr++)
+		if (*ptr != ' ' && *ptr != '\t')
+			break;
+	return ptr;
+}
+static int split(char *buf, char **ptr)
+{
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		buf = skip_word(buf);
+		if (!*buf)
+			return i;
+	
+		*buf = 0;
+		
+		buf = skip_space(buf + 1);
+		if (!*buf)
+			return i;
+
+		if (*buf == '"' || *buf == '\'')
+			ptr[i] = buf + 1;
+		else
+			ptr[i] = buf;
+	}
+
+	buf = skip_word(buf);
+	//if (*buf == '\n')
+		*buf = 0;
+	//else if (*buf)
+	//	return -1;
+
+	return i;
+}
+
+
+static struct cs_pd_t *create_pd(struct ppp_t *ppp, const char *username)
+{
+	FILE *f;
+	char *buf;
+	char *ptr[5];
+	int n;
+	struct cs_pd_t *pd;
+
+	if (!conf_chap_secrets)
+		return NULL;
+	
+	f = fopen(conf_chap_secrets, "r");
+	if (!f) {
+		log_error("chap-secrets: open '%s': %s\n", conf_chap_secrets, strerror(errno));
+		return NULL;
+	}
+
+	buf = _malloc(4096);
+	if (!buf) {
+		log_emerg("chap-secrets: out of memory\n");
+		fclose(f);
+		return NULL;
+	}
+	
+	while (fgets(buf, 4096, f)) {
+		if (buf[0] == '#')
+			continue;
+		n = split(buf, ptr);
+		if (n < 3)
+			continue;
+		if (*buf == '\'' || *buf == '"') {
+			if (!strcmp(buf + 1, username))
+				goto found;
+		} else {
+			if (!strcmp(buf, username))
+				goto found;
+		}
+	}
+
+out:
+	fclose(f);
+	_free(buf);
+	return NULL;
+
+found:
+	pd = _malloc(sizeof(*pd));
+	if (!pd) {
+		log_emerg("chap-secrets: out of memory\n");
+		goto out;
+	}
+
+	memset(pd, 0, sizeof(*pd));
+	pd->pd.key = &pd_key;
+	pd->passwd = _strdup(ptr[1]);
+	if (!pd->passwd) {
+		log_emerg("chap-secrets: out of memory\n");
+		_free(pd);
+		goto out;
+	}
+
+	pd->ip.addr = conf_gw_ip_address;
+	if (n >= 3)
+		pd->ip.peer_addr = inet_addr(ptr[2]);
+	pd->ip.owner = &ipdb;
+
+	if (n == 4)
+		pd->rate = _strdup(ptr[3]);
+
+	list_add_tail(&pd->pd.entry, &ppp->pd_list);
+
+	fclose(f);
+	_free(buf);
+
+	return pd;
+}
+
+static struct cs_pd_t *find_pd(struct ppp_t *ppp)
+{
+	struct ppp_pd_t *pd;
+
+	list_for_each_entry(pd, &ppp->pd_list, entry) {
+		if (pd->key == &pd_key) {
+			return container_of(pd, typeof(struct cs_pd_t), pd);
+		}
+	}
+
+	return NULL;
+}
+
+static void ev_ppp_finished(struct ppp_t *ppp)
+{
+	struct cs_pd_t *pd = find_pd(ppp);
+
+	if (!pd)
+		return;
+
+	list_del(&pd->pd.entry);
+	_free(pd->passwd);
+	if (pd->rate)
+		_free(pd->rate);
+	_free(pd);
+}
+
+static void ev_ppp_pre_up(struct ppp_t *ppp)
+{
+	struct cs_pd_t *pd = find_pd(ppp);
+	struct ev_shaper_t ev = {
+		.ppp = ppp,
+	};
+
+	if (!pd)
+		return;
+
+	if (pd->rate) {
+		ev.val = pd->rate;
+		triton_event_fire(EV_SHAPER, &ev);
+	}
+}
+
+static struct ipdb_item_t *get_ip(struct ppp_t *ppp)
+{
+	struct cs_pd_t *pd;
+	
+	if (!conf_gw_ip_address)
+		return NULL;
+
+	pd = find_pd(ppp);
+
+	if (!pd)
+		return NULL;
+
+	if (!pd->ip.addr)
+		return NULL;
+
+	return &pd->ip;
+}
+
+static char* get_passwd(struct pwdb_t *pwdb, struct ppp_t *ppp, const char *username)
+{
+	struct cs_pd_t *pd = find_pd(ppp);
+
+	if (!pd)
+		pd = create_pd(ppp, username);
+	
+	if (!pd)
+		return NULL;
+	
+	return _strdup(pd->passwd);
+}
+
+static struct ipdb_t ipdb = {
+	.get = get_ip,
+};
+
+static struct pwdb_t pwdb = {
+	.get_passwd = get_passwd,
+};
+
+static void load_config(void)
+{
+	const char *opt;
+
+	if (conf_chap_secrets && conf_chap_secrets != def_chap_secrets)
+		_free(conf_chap_secrets);
+	opt = conf_get_opt("chap-secrets", "chap-secrets");
+	if (opt)
+		conf_chap_secrets = _strdup(opt);
+	else
+		conf_chap_secrets = def_chap_secrets;
+
+	opt = conf_get_opt("chap-secrets", "gw-ip-address");
+	if (opt)
+		conf_gw_ip_address = inet_addr(opt);
+}
+
+static void __init init(void)
+{
+	load_config();
+
+	pwdb_register(&pwdb);
+	ipdb_register(&ipdb);
+	
+	triton_event_register_handler(EV_PPP_FINISHED, (triton_event_func)ev_ppp_finished);
+	triton_event_register_handler(EV_PPP_PRE_UP, (triton_event_func)ev_ppp_pre_up);
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+}
+
diff --git a/accel-pppd/extra/ippool.c b/accel-pppd/extra/ippool.c
new file mode 100644
index 0000000..6136a14
--- /dev/null
+++ b/accel-pppd/extra/ippool.c
@@ -0,0 +1,208 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+#include <arpa/inet.h>
+
+#include "ipdb.h"
+#include "list.h"
+#include "spinlock.h"
+
+#include "memdebug.h"
+
+struct ippool_item_t
+{
+	struct list_head entry;
+	struct ipdb_item_t it;
+};
+
+struct ipaddr_t
+{
+	struct list_head entry;
+	in_addr_t addr;
+};
+
+static LIST_HEAD(gw_list);
+static LIST_HEAD(tunnel_list);
+static LIST_HEAD(ippool);
+static spinlock_t pool_lock = SPINLOCK_INITIALIZER;
+static struct ipdb_t ipdb;
+
+static in_addr_t conf_gw_ip_address;
+static int cnt;
+
+static void parse_gw_ip_address(const char *val)
+{
+	if (!val)
+		return;
+	
+	conf_gw_ip_address = inet_addr(val);
+}
+
+//parses ranges like x.x.x.x/mask
+static int parse1(const char *str, uint32_t *begin, uint32_t *end)
+{
+	int n, f1, f2, f3, f4, m, mask = 0;
+	
+	n = sscanf(str, "%u.%u.%u.%u/%u",&f1, &f2, &f3, &f4, &m);
+	if (n != 5)
+		return -1;
+	if (f1 > 255)
+		return -1;
+	if (f2 > 255)
+		return -1;
+	if (f3 > 255)
+		return -1;
+	if (f4 > 255)
+		return -1;
+	if (m == 0 || m > 32)
+		return -1;
+	
+	for (n = 0; n < m ; n++)
+		mask |= 1 <<  n;
+
+	*begin = (f4 << 24) | (f3 << 16) | (f2 << 8) | f1;
+	*end = *begin | ~mask;
+	
+	return 0;
+}
+
+//parses ranges like x.x.x.x-y
+static int parse2(const char *str, uint32_t *begin, uint32_t *end)
+{
+	int n, f1, f2, f3, f4, m;
+
+	n = sscanf(str, "%u.%u.%u.%u-%u",&f1, &f2, &f3, &f4, &m);
+	if (n != 5)
+		return -1;
+	if (f1 > 255)
+		return -1;
+	if (f2 > 255)
+		return -1;
+	if (f3 > 255)
+		return -1;
+	if (f4 > 255)
+		return -1;
+	if (m < f4 || m > 255)
+		return -1;
+	
+	*begin = (f4 << 24) | (f3 << 16) | (f2 << 8) | f1;
+	*end = (m << 24) | (f3 << 16) | (f2 << 8) | f1;
+
+	return 0;
+}
+
+static void add_range(struct list_head *list, const char *name)
+{
+	uint32_t i,startip, endip;
+	struct ipaddr_t *ip;
+
+	if (parse1(name, &startip, &endip))
+		if (parse2(name, &startip, &endip)) {
+			fprintf(stderr, "ippool: cann't parse '%s'\n", name);
+			_exit(EXIT_FAILURE);
+		}
+
+	for (i = ntohl(startip); i <= ntohl(endip); i++) {
+		ip = malloc(sizeof(*ip));
+		ip->addr = htonl(i);
+		list_add_tail(&ip->entry, list);
+		cnt++;
+	}
+}
+
+static void generate_pool(void)
+{
+	struct ippool_item_t *it;
+	struct ipaddr_t *addr = NULL;
+	struct ipaddr_t *peer_addr;
+
+	while (1) {
+		if (list_empty(&tunnel_list))
+			break;
+		else {
+			peer_addr = list_entry(tunnel_list.next, typeof(*peer_addr), entry);
+			list_del(&peer_addr->entry);
+		}
+
+		if (!conf_gw_ip_address) {
+			if (list_empty(&gw_list))
+				break;
+			else {
+				addr = list_entry(gw_list.next, typeof(*addr), entry);
+				list_del(&addr->entry);
+			}
+		}
+
+		it = malloc(sizeof(*it));
+		if (!it) {
+			fprintf(stderr, "ippool: out of memory\n");
+			break;
+		}
+
+		it->it.owner = &ipdb;
+		if (conf_gw_ip_address)
+			it->it.addr = conf_gw_ip_address;
+		else
+			it->it.addr = addr->addr;
+
+		it->it.peer_addr = peer_addr->addr;
+
+		list_add_tail(&it->entry, &ippool);
+	}
+}
+
+static struct ipdb_item_t *get_ip(struct ppp_t *ppp)
+{
+	struct ippool_item_t *it;
+
+	spin_lock(&pool_lock);
+	if (!list_empty(&ippool)) {
+		it = list_entry(ippool.next, typeof(*it), entry);
+		list_del(&it->entry);
+	} else
+		it = NULL;
+	spin_unlock(&pool_lock);
+
+	return it ? &it->it : NULL;
+}
+
+static void put_ip(struct ppp_t *ppp, struct ipdb_item_t *it)
+{
+	struct ippool_item_t *pit = container_of(it, typeof(*pit), it);
+
+	spin_lock(&pool_lock);
+	list_add_tail(&pit->entry, &ippool);
+	spin_unlock(&pool_lock);
+}
+
+static struct ipdb_t ipdb = {
+	.get = get_ip,
+	.put = put_ip,
+};
+
+static void __init ipool_init(void)
+{
+	struct conf_sect_t *s = conf_get_section("ip-pool");
+	struct conf_option_t *opt;
+	
+	if (!s)
+		return;
+	
+	list_for_each_entry(opt, &s->items, entry) {
+		if (!strcmp(opt->name, "gw-ip-address"))
+			parse_gw_ip_address(opt->val);
+		else if (!strcmp(opt->name, "gw"))
+			add_range(&gw_list, opt->val);
+		else if (!strcmp(opt->name, "tunnel"))
+			add_range(&tunnel_list, opt->val);
+		else if (!opt->val)
+			add_range(&tunnel_list, opt->name);
+	}
+
+	generate_pool();
+
+	ipdb_register(&ipdb);
+}
+
diff --git a/accel-pppd/extra/pppd_compat.c b/accel-pppd/extra/pppd_compat.c
new file mode 100644
index 0000000..f897dd6
--- /dev/null
+++ b/accel-pppd/extra/pppd_compat.c
@@ -0,0 +1,523 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sched.h>
+#include <limits.h>
+#include <sys/ioctl.h>
+#include <netinet/in.h>
+#include "linux_ppp.h"
+
+#include "triton.h"
+
+#include "events.h"
+#include "ppp.h"
+#include "log.h"
+#include "utils.h"
+#include "sigchld.h"
+
+#ifdef RADIUS
+#include "radius.h"
+#endif
+
+#include "memdebug.h"
+
+static char *conf_ip_up = "/etc/ppp/ip-up";
+static char *conf_ip_pre_up;
+static char *conf_ip_down = "/etc/ppp/ip-down";
+static char *conf_ip_change;
+static char *conf_radattr_prefix = "/var/run/radattr.";
+static int conf_verbose = 0;
+
+static void *pd_key;
+
+struct pppd_compat_pd_t
+{
+	struct ppp_pd_t pd;
+	struct ppp_t *ppp;
+	struct sigchld_handler_t ip_pre_up_hnd;
+	struct sigchld_handler_t ip_up_hnd;
+	struct sigchld_handler_t ip_change_hnd;
+	struct sigchld_handler_t ip_down_hnd;
+#ifdef RADIUS
+	int radattr_saved:1;
+#endif
+	int started:1;
+	int res;
+	int bytes_sent;
+	int bytes_rcvd;
+};
+
+static struct pppd_compat_pd_t *find_pd(struct ppp_t *ppp);
+static void fill_argv(char **argv, struct ppp_t *ppp, char *path);
+static void fill_env(char **env, struct pppd_compat_pd_t *pd);
+#ifdef RADIUS
+static void remove_radattr(struct ppp_t *ppp);
+static void write_radattr(struct ppp_t *ppp, struct rad_packet_t *pack, int save_old);
+#endif
+
+static void ip_pre_up_handler(struct sigchld_handler_t *h, int status)
+{
+	struct pppd_compat_pd_t *pd = container_of(h, typeof(*pd), ip_pre_up_hnd);
+	if (conf_verbose) {
+		log_switch(NULL, pd->ppp);
+		log_ppp_info2("pppd_compat: ip-pre-up finished (%i)\n", status);
+		pd->res = status;
+	}
+	sched_yield();
+	triton_context_wakeup(pd->ppp->ctrl->ctx);
+}
+
+static void ip_up_handler(struct sigchld_handler_t *h, int status)
+{
+	struct pppd_compat_pd_t *pd = container_of(h, typeof(*pd), ip_up_hnd);
+	if (conf_verbose) {
+		log_switch(NULL, pd->ppp);
+		log_ppp_info2("pppd_compat: ip-up finished (%i)\n", status);
+	}
+}
+
+static void ip_down_handler(struct sigchld_handler_t *h, int status)
+{
+	struct pppd_compat_pd_t *pd = container_of(h, typeof(*pd), ip_down_hnd);
+	if (conf_verbose) {
+		log_switch(NULL, pd->ppp);
+		log_ppp_info2("pppd_compat: ip-down finished (%i)\n", status);
+	}
+	sched_yield();
+	triton_context_wakeup(pd->ppp->ctrl->ctx);
+}
+
+static void ip_change_handler(struct sigchld_handler_t *h, int status)
+{
+	struct pppd_compat_pd_t *pd = container_of(h, typeof(*pd), ip_change_hnd);
+	if (conf_verbose) {
+		log_switch(NULL, pd->ppp);
+		log_ppp_info2("pppd_compat: ip-change finished (%i)\n", status);
+	}
+	sched_yield();
+	pd->res = status;
+	triton_context_wakeup(pd->ppp->ctrl->ctx);
+}
+
+static void ev_ppp_starting(struct ppp_t *ppp)
+{
+	struct pppd_compat_pd_t *pd = _malloc(sizeof(*pd));
+
+	if (!pd) {
+		log_emerg("pppd_compat: out of memory\n");
+		return;
+	}
+
+	memset(pd, 0, sizeof(*pd));
+	pd->pd.key = &pd_key;
+	pd->ppp = ppp;
+	pd->ip_pre_up_hnd.handler = ip_pre_up_handler;
+	pd->ip_up_hnd.handler = ip_up_handler;
+	pd->ip_down_hnd.handler = ip_down_handler;
+	pd->ip_change_hnd.handler = ip_change_handler;
+	list_add_tail(&pd->pd.entry, &ppp->pd_list);
+}
+
+static void ev_ppp_pre_up(struct ppp_t *ppp)
+{
+	pid_t pid;
+	char *argv[8];
+	char *env[2];
+	char ipaddr[17];
+	char peer_ipaddr[17];
+	char peername[64];
+	struct pppd_compat_pd_t *pd = find_pd(ppp);
+	
+	if (!pd)
+		return;
+
+	argv[4] = ipaddr;
+	argv[5] = peer_ipaddr;
+	fill_argv(argv, ppp, conf_ip_up);
+	
+	env[0] = peername;
+	env[1] = NULL;
+	fill_env(env, pd);
+
+	if (conf_ip_pre_up) {
+		sigchld_lock();
+		pid = fork();
+		if (pid > 0) {
+			pd->ip_pre_up_hnd.pid = pid;
+			sigchld_register_handler(&pd->ip_pre_up_hnd);
+			if (conf_verbose)
+				log_ppp_info2("pppd_compat: ip-pre-up started (pid %i)\n", pid);
+			sigchld_unlock();
+			triton_context_schedule();
+			pthread_mutex_lock(&pd->ip_pre_up_hnd.lock);
+			pthread_mutex_unlock(&pd->ip_pre_up_hnd.lock);
+			if (pd->res != 0) {
+				ppp_terminate(ppp, 0, pd->res < 0 ? TERM_NAS_ERROR : TERM_ADMIN_RESET);
+				return;
+			}
+		} else if (pid == 0) {
+			execve(conf_ip_pre_up, argv, env);
+			log_emerg("pppd_compat: exec '%s': %s\n", conf_ip_pre_up, strerror(errno));
+			_exit(EXIT_FAILURE);
+		} else
+			log_error("pppd_compat: fork: %s\n", strerror(errno));
+	}
+}
+
+static void ev_ppp_started(struct ppp_t *ppp)
+{
+	pid_t pid;
+	char *argv[8];
+	char *env[2];
+	char ipaddr[17];
+	char peer_ipaddr[17];
+	char peername[64];
+	struct pppd_compat_pd_t *pd = find_pd(ppp);
+	
+	if (!pd)
+		return;
+
+	argv[4] = ipaddr;
+	argv[5] = peer_ipaddr;
+	fill_argv(argv, ppp, conf_ip_up);
+	
+	env[0] = peername;
+	env[1] = NULL;
+	fill_env(env, pd);
+
+	if (conf_ip_up) {
+		sigchld_lock();
+		pid = fork();
+		if (pid > 0) {
+			pd->ip_up_hnd.pid = pid;
+			sigchld_register_handler(&pd->ip_up_hnd);
+			if (conf_verbose)
+				log_ppp_info2("pppd_compat: ip-up started (pid %i)\n", pid);
+			sigchld_unlock();
+		} else if (pid == 0) {
+			execve(conf_ip_up, argv, env);
+			log_emerg("pppd_compat: exec '%s': %s\n", conf_ip_up, strerror(errno));
+			_exit(EXIT_FAILURE);
+		} else
+			log_error("pppd_compat: fork: %s\n", strerror(errno));
+	}
+	
+	pd->started = 1;
+}
+
+static void ev_ppp_finishing(struct ppp_t *ppp)
+{
+	struct ifpppstatsreq ifreq;
+	struct pppd_compat_pd_t *pd = find_pd(ppp);
+	
+	if (!pd)
+		return;
+	
+	memset(&ifreq, 0, sizeof(ifreq));
+	ifreq.stats_ptr = (void *)&ifreq.stats;
+	strcpy(ifreq.ifr__name, ppp->ifname);
+
+	if (ioctl(sock_fd, SIOCGPPPSTATS, &ifreq)) {
+		log_ppp_error("pppd_compat: failed to get ppp statistics: %s\n", strerror(errno));
+		return;
+	}
+
+	pd->bytes_sent = ifreq.stats.p.ppp_obytes;
+	pd->bytes_rcvd = ifreq.stats.p.ppp_ibytes;
+}
+
+static void ev_ppp_finished(struct ppp_t *ppp)
+{
+	pid_t pid;
+	char *argv[8];
+	char *env[5];
+	char ipaddr[17];
+	char peer_ipaddr[17];
+	char peername[64];
+	char connect_time[24];
+	char bytes_sent[24];
+	char bytes_rcvd[24];
+	struct pppd_compat_pd_t *pd = find_pd(ppp);
+	
+	if (!pd)
+		return;
+	
+	if (!pd->started)
+		goto skip;
+
+	pthread_mutex_lock(&pd->ip_up_hnd.lock);
+	if (pd->ip_up_hnd.pid) {
+		log_ppp_warn("pppd_compat: ip-up is not yet finished, terminating it ...\n");
+		kill(pd->ip_up_hnd.pid, SIGTERM);
+	}
+	pthread_mutex_unlock(&pd->ip_up_hnd.lock);
+
+	argv[4] = ipaddr;
+	argv[5] = peer_ipaddr;
+	fill_argv(argv, pd->ppp, conf_ip_down);
+
+	env[0] = peername;
+	env[1] = connect_time;
+	env[2] = bytes_sent;
+	env[3] = bytes_rcvd;
+	env[4] = NULL;
+	fill_env(env, pd);
+
+	sigchld_lock();
+	pid = fork();
+	if (pid > 0) {
+		pd->ip_down_hnd.pid = pid;
+		sigchld_register_handler(&pd->ip_down_hnd);
+		if (conf_verbose)
+			log_ppp_info2("pppd_compat: ip-down started (pid %i)\n", pid);
+		sigchld_unlock();
+		triton_context_schedule();
+		pthread_mutex_lock(&pd->ip_down_hnd.lock);
+		pthread_mutex_unlock(&pd->ip_down_hnd.lock);
+	} else if (pid == 0) {
+		execve(conf_ip_down, argv, env);
+		log_emerg("pppd_compat: exec '%s': %s\n", conf_ip_down, strerror(errno));
+		_exit(EXIT_FAILURE);
+	} else
+		log_error("pppd_compat: fork: %s\n", strerror(errno));
+
+	pthread_mutex_lock(&pd->ip_up_hnd.lock);
+	if (pd->ip_up_hnd.pid) {
+		log_ppp_warn("pppd_compat: ip-up is not yet finished, killing it ...\n");
+		kill(pd->ip_up_hnd.pid, SIGKILL);
+		pthread_mutex_unlock(&pd->ip_up_hnd.lock);
+		sigchld_unregister_handler(&pd->ip_up_hnd);
+	} else
+		pthread_mutex_unlock(&pd->ip_up_hnd.lock);
+
+skip:
+#ifdef RADIUS
+	if (pd->radattr_saved)
+		remove_radattr(ppp);
+#endif
+	
+	list_del(&pd->pd.entry);
+	_free(pd);
+}
+
+#ifdef RADIUS
+static void ev_radius_access_accept(struct ev_radius_t *ev)
+{
+	struct pppd_compat_pd_t *pd = find_pd(ev->ppp);
+
+	write_radattr(ev->ppp, ev->reply, 0);
+
+	pd->radattr_saved = 1;
+}
+
+static void ev_radius_coa(struct ev_radius_t *ev)
+{
+	pid_t pid;
+	char *argv[8];
+	char *env[2];
+	char ipaddr[17];
+	char peer_ipaddr[17];
+	char peername[64];
+	struct pppd_compat_pd_t *pd = find_pd(ev->ppp);
+	
+	if (!pd)
+		return;
+
+	write_radattr(ev->ppp, ev->request, 1);
+
+	argv[4] = ipaddr;
+	argv[5] = peer_ipaddr;
+	fill_argv(argv, pd->ppp, conf_ip_change);
+
+	env[0] = peername;
+	env[1] = NULL;
+	fill_env(env, pd);
+
+	sigchld_lock();
+	pid = fork();
+	if (pid > 0) {
+		pd->ip_change_hnd.pid = pid;
+		sigchld_register_handler(&pd->ip_change_hnd);
+		sigchld_unlock();
+		if (conf_verbose)
+			log_ppp_info2("pppd_compat: ip-change started (pid %i)\n", pid);
+		triton_context_schedule();
+		if (!ev->res)
+			ev->res = pd->res;
+	} else if (pid == 0) {
+		execve(conf_ip_change, argv, env);
+		log_emerg("pppd_compat: exec '%s': %s\n", conf_ip_change, strerror(errno));
+		_exit(EXIT_FAILURE);
+	} else
+		log_error("pppd_compat: fork: %s\n", strerror(errno));
+}
+
+static void remove_radattr(struct ppp_t *ppp)
+{
+	char *fname;
+
+	fname = _malloc(PATH_MAX);
+	if (!fname) {
+		log_emerg("pppd_compat: out of memory\n");
+		return;
+	}
+
+	sprintf(fname, "%s.%s", conf_radattr_prefix, ppp->ifname);
+	if (unlink(fname)) {
+		log_ppp_warn("pppd_compat: failed to remove '%s': %s\n", fname, strerror(errno));
+	}
+	sprintf(fname, "%s_old.%s", conf_radattr_prefix, ppp->ifname);
+	unlink(fname);
+
+	_free(fname);
+}
+
+static void write_radattr(struct ppp_t *ppp, struct rad_packet_t *pack, int save_old)
+{
+	struct rad_attr_t *attr;
+	struct rad_dict_value_t *val;
+	FILE *f;
+	char *fname1, *fname2 = NULL;
+	int i;
+
+	fname1 = _malloc(PATH_MAX);
+	if (!fname1) {
+		log_emerg("pppd_compat: out of memory\n");
+		return;
+	}
+
+	if (save_old) {
+		fname2 = _malloc(PATH_MAX);
+		if (!fname2) {
+			log_emerg("pppd_compat: out of memory\n");
+			_free(fname1);
+			return;
+		}
+	}
+
+	sprintf(fname1, "%s.%s", conf_radattr_prefix, ppp->ifname);
+	if (save_old) {
+		sprintf(fname2, "%s_old.%s", conf_radattr_prefix, ppp->ifname);
+		if (rename(fname1, fname2)) {
+			log_ppp_warn("pppd_compat: rename: %s\n", strerror(errno));
+		}
+	}
+
+	f = fopen(fname1, "w");
+	if (f) {
+		list_for_each_entry(attr, &pack->attrs, entry) {
+			fprintf(f, "%s ", attr->attr->name);
+			switch (attr->attr->type) {
+				case ATTR_TYPE_INTEGER:
+					val = rad_dict_find_val(attr->attr, attr->val);
+					if (val)
+						fprintf(f, "%s\n", val->name);
+					else
+						fprintf(f, "%i\n", attr->val.integer);
+					break;
+				case ATTR_TYPE_STRING:
+					fprintf(f, "%s\n", attr->val.string);
+					break;
+				case ATTR_TYPE_OCTETS:
+					for (i = 0; i < attr->len; i++)
+						fprintf(f, "%02X", attr->val.octets[i]);
+					fprintf(f, "\n");
+					break;
+				case ATTR_TYPE_IPADDR:
+					fprintf(f, "%i.%i.%i.%i\n", attr->val.ipaddr & 0xff, (attr->val.ipaddr >> 8) & 0xff, (attr->val.ipaddr >> 16) & 0xff, (attr->val.ipaddr >> 24) & 0xff);
+					break;
+				case ATTR_TYPE_DATE:
+					fprintf(f, "%lu\n", attr->val.date);
+					break;
+			}
+		}
+		fclose(f);
+	} else
+		log_ppp_warn("pppd_compat: failed to create '%s': %s\n", fname1, strerror(errno));
+	
+	_free(fname1);
+	if (save_old)
+		_free(fname2);
+}
+#endif
+
+static struct pppd_compat_pd_t *find_pd(struct ppp_t *ppp)
+{
+	struct ppp_pd_t *pd;
+	struct pppd_compat_pd_t *cpd;
+
+	list_for_each_entry(pd, &ppp->pd_list, entry) {
+		if (pd->key == &pd_key) {
+			cpd = container_of(pd, typeof(*cpd), pd);
+			return cpd;
+		}
+	}
+	
+	log_ppp_warn("pppd_compat: pd not found\n");
+	return NULL;
+}
+
+static void fill_argv(char **argv, struct ppp_t *ppp, char *path)
+{
+	argv[0] = path;
+	argv[1] = ppp->ifname;
+	argv[2] = "none";
+	argv[3] = "0";
+	u_inet_ntoa(ppp->ipaddr, argv[4]);
+	u_inet_ntoa(ppp->peer_ipaddr, argv[5]);
+	argv[6] = ppp->ctrl->calling_station_id;
+	argv[7] = NULL;
+}
+
+static void fill_env(char **env, struct pppd_compat_pd_t *pd)
+{
+	snprintf(env[0], 64, "PEERNAME=%s", pd->ppp->username);
+	
+	if (pd->ppp->stop_time && env[1]) {
+		snprintf(env[1], 24, "CONNECT_TIME=%lu", pd->ppp->stop_time - pd->ppp->start_time);
+		snprintf(env[2], 24, "BYTES_SENT=%u", pd->bytes_sent);
+		snprintf(env[3], 24, "BYTES_RCVD=%u", pd->bytes_rcvd);
+	}
+}
+
+static void __init init(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("pppd-compat", "ip-pre-up");
+	if (opt)
+		conf_ip_pre_up = _strdup(opt);
+
+	opt = conf_get_opt("pppd-compat", "ip-up");
+	if (opt)
+		conf_ip_up = _strdup(opt);
+
+	opt = conf_get_opt("pppd-compat", "ip-down");
+	if (opt)
+		conf_ip_down = _strdup(opt);
+
+	opt = conf_get_opt("pppd-compat", "ip-change");
+	if (opt)
+		conf_ip_change = _strdup(opt);
+
+	opt = conf_get_opt("pppd-compat", "radattr-prefix");
+	if (opt)
+		conf_radattr_prefix = _strdup(opt);
+
+	opt = conf_get_opt("pppd-compat", "verbose");
+	if (opt && atoi(opt) > 0)
+		conf_verbose = 1;
+
+	triton_event_register_handler(EV_PPP_STARTING, (triton_event_func)ev_ppp_starting);
+	triton_event_register_handler(EV_PPP_PRE_UP, (triton_event_func)ev_ppp_pre_up);
+	triton_event_register_handler(EV_PPP_STARTED, (triton_event_func)ev_ppp_started);
+	triton_event_register_handler(EV_PPP_FINISHING, (triton_event_func)ev_ppp_finishing);
+	triton_event_register_handler(EV_PPP_FINISHED, (triton_event_func)ev_ppp_finished);
+#ifdef RADIUS
+	triton_event_register_handler(EV_RADIUS_ACCESS_ACCEPT, (triton_event_func)ev_radius_access_accept);
+	triton_event_register_handler(EV_RADIUS_COA, (triton_event_func)ev_radius_coa);
+#endif
+}
diff --git a/accel-pppd/extra/shaper_tbf.c b/accel-pppd/extra/shaper_tbf.c
new file mode 100644
index 0000000..d7e4f0b
--- /dev/null
+++ b/accel-pppd/extra/shaper_tbf.c
@@ -0,0 +1,1274 @@
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <netinet/in.h>
+#include <linux/if.h>
+#include <linux/if_ether.h>
+#include <linux/pkt_cls.h>
+#include <linux/pkt_sched.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <pthread.h>
+
+#include "netlink/netlink.h"
+#include "netlink/socket.h"
+#include "netlink/msg.h"
+
+#include "triton.h"
+#include "events.h"
+#include "log.h"
+#include "ppp.h"
+#include "cli.h"
+
+#ifdef RADIUS
+#include "radius.h"
+#endif
+
+#include "memdebug.h"
+
+#define RTNL_TC_RTABLE_SIZE 256
+#define TIME_UNITS_PER_SEC 1000000
+
+#define ATTR_UP 1
+#define ATTR_DOWN 2
+
+static int conf_verbose = 0;
+#ifdef RADIUS
+static int conf_attr_down = 11; //Filter-Id
+static int conf_attr_up = 11; //Filter-Id
+static int conf_vendor = 0;
+#endif
+static double conf_down_burst_factor = 0.1;
+static double conf_up_burst_factor = 1;
+static int conf_latency = 50;
+static int conf_mpu = 0;
+
+static int temp_down_speed;
+static int temp_up_speed;
+
+static pthread_rwlock_t shaper_lock = PTHREAD_RWLOCK_INITIALIZER;
+static LIST_HEAD(shaper_list);
+
+static double tick_in_usec = 1;
+static double clock_factor = 1;
+
+struct time_range_pd_t;
+struct shaper_pd_t
+{
+	struct list_head entry;
+	struct ppp_t *ppp;
+	struct ppp_pd_t pd;
+	int temp_down_speed;
+	int temp_up_speed;
+	int down_speed;
+	int up_speed;
+	struct list_head tr_list;
+	struct time_range_pd_t *cur_tr;
+};
+
+struct time_range_pd_t
+{
+	struct list_head entry;
+	int id;
+	int down_speed;
+	int down_burst;
+	int up_speed;
+	int up_burst;
+};
+
+struct time_range_t
+{
+	struct list_head entry;
+	int id;
+	struct triton_timer_t begin;
+	struct triton_timer_t end;
+};
+
+static void *pd_key;
+
+static LIST_HEAD(time_range_list);
+static int time_range_id;
+
+static void shaper_ctx_close(struct triton_context_t *);
+static struct triton_context_t shaper_ctx = {
+	.close = shaper_ctx_close,
+	.before_switch = log_switch,
+};
+
+static unsigned tc_time2tick(unsigned time)
+{
+	return time*tick_in_usec;
+}
+
+/*static unsigned tc_tick2time(unsigned tick)
+{
+	return tick/tick_in_usec;
+}*/
+
+static unsigned tc_calc_xmittime(unsigned rate, unsigned size)
+{
+	return tc_time2tick(TIME_UNITS_PER_SEC*((double)size/rate));
+}
+
+/*static unsigned tc_calc_xmitsize(unsigned rate, unsigned ticks)
+{
+	return ((double)rate*tc_tick2time(ticks))/TIME_UNITS_PER_SEC;
+}*/
+
+static void tc_calc_rtable(struct tc_ratespec *r, uint32_t *rtab, int cell_log, unsigned mtu)
+{
+	int i;
+	unsigned sz;
+	unsigned bps = r->rate;
+	unsigned mpu = r->mpu;
+
+	if (mtu == 0)
+		mtu = 2047;
+
+	if (cell_log <= 0) {
+		cell_log = 0;
+		while ((mtu >> cell_log) > 255)
+			cell_log++;
+	}
+
+	for (i=0; i<256; i++) {
+		//sz = tc_adjust_size((i + 1) << cell_log, mpu, linklayer);
+		sz = (i + 1) << cell_log;
+		if (sz < mpu)
+			sz = mpu;
+		rtab[i] = tc_calc_xmittime(bps, sz);
+	}
+
+	r->cell_align=-1; // Due to the sz calc
+	r->cell_log=cell_log;
+}
+
+static int install_tbf(struct nl_sock *h, int ifindex, int speed, int burst)
+{
+	struct tc_tbf_qopt opt;
+	struct nl_msg *msg;
+	struct nl_msg *pmsg = NULL;
+	uint32_t rtab[RTNL_TC_RTABLE_SIZE];
+	double rate = speed * 1000 / 8;
+	double bucket = burst ? burst : rate * conf_down_burst_factor;
+
+	struct tcmsg tchdr = {
+		.tcm_family = AF_UNSPEC,
+		.tcm_ifindex = ifindex,
+		.tcm_handle = 0x00010000,
+		.tcm_parent = TC_H_ROOT,
+	};
+
+	memset(&opt, 0, sizeof(opt));
+
+	opt.rate.rate = rate;
+	opt.rate.mpu = conf_mpu;
+	opt.limit = rate*conf_latency/1000 + bucket;
+	opt.buffer = tc_calc_xmittime(rate, bucket);
+
+	tc_calc_rtable(&opt.rate, rtab, 0, 0);
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		goto out_err;
+
+	NLA_PUT(msg, TCA_TBF_PARMS, sizeof(opt), &opt);
+	NLA_PUT(msg, TCA_TBF_RTAB, sizeof(rtab), rtab);
+
+	pmsg = nlmsg_alloc_simple(RTM_NEWQDISC, NLM_F_CREATE | NLM_F_REPLACE);
+	if (!pmsg)
+		goto out_err;
+
+	if (nlmsg_append(pmsg, &tchdr, sizeof(tchdr), NLMSG_ALIGNTO) < 0)
+		goto out_err;
+
+	NLA_PUT_STRING(pmsg, TCA_KIND, "tbf");
+	nla_put_nested(pmsg, TCA_OPTIONS, msg);
+
+	if (nl_send_auto_complete(h, pmsg) < 0)
+		goto out_err;
+	
+	if (nl_wait_for_ack(h) < 0)
+		goto out_err;
+
+	nlmsg_free(msg);
+	nlmsg_free(pmsg);
+
+	return 0;
+
+out_err:
+nla_put_failure:
+
+	if (msg)
+		nlmsg_free(msg);
+
+	if (pmsg)
+		nlmsg_free(pmsg);
+
+	log_ppp_error("tbf: error occured, tbf is not installed\n");
+
+	return -1;
+}
+
+static int install_ingress(struct nl_sock *h, int ifindex)
+{
+	struct nl_msg *pmsg;
+
+	struct tcmsg tchdr = {
+		.tcm_family = AF_UNSPEC,
+		.tcm_ifindex = ifindex,
+		.tcm_handle = 0xffff0000,
+		.tcm_parent = TC_H_INGRESS,
+	};
+
+	pmsg = nlmsg_alloc_simple(RTM_NEWQDISC, NLM_F_CREATE | NLM_F_REPLACE);
+	if (!pmsg)
+		goto out_err;
+
+	if (nlmsg_append(pmsg, &tchdr, sizeof(tchdr), NLMSG_ALIGNTO) < 0)
+		goto out_err;
+
+	NLA_PUT_STRING(pmsg, TCA_KIND, "ingress");
+
+	if (nl_send_auto_complete(h, pmsg) < 0)
+		goto out_err;
+	
+	if (nl_wait_for_ack(h) < 0)
+		goto out_err;
+
+	nlmsg_free(pmsg);
+
+	return 0;
+
+out_err:
+nla_put_failure:
+
+	if (pmsg)
+		nlmsg_free(pmsg);
+
+	log_ppp_error("tbf: error occured, ingress is not installed\n");
+
+	return -1;
+}
+
+static int install_filter(struct nl_sock *h, int ifindex, int speed, int burst)
+{
+	//double rate = speed*1000/8;
+	//double bucket = rate*conf_burst_factor;
+	double rate = speed * 1000 / 8;
+	double bucket = burst ? burst : rate * conf_up_burst_factor;
+	struct nl_msg *pmsg = NULL;
+	struct nl_msg *msg = NULL;
+	struct nl_msg *msg1 = NULL;
+	struct nl_msg *msg2 = NULL;
+	struct nl_msg *msg3 = NULL;
+	uint32_t rtab[RTNL_TC_RTABLE_SIZE];
+	
+	struct tcmsg tchdr = {
+		.tcm_family = AF_UNSPEC,
+		.tcm_ifindex = ifindex,
+		.tcm_handle = 1,
+		.tcm_parent = 0xffff0000,
+		.tcm_info = TC_H_MAKE(10 << 16, ntohs(ETH_P_IP)),
+	};
+
+	struct sel_t {
+		struct tc_u32_sel sel;
+		struct tc_u32_key key;
+	} sel = {
+		.sel.nkeys = 1,
+		.sel.flags = TC_U32_TERMINAL,
+		.key.off = 12,
+	};
+	
+	struct tc_police police = {
+		.action = TC_POLICE_SHOT,
+		.rate.rate = rate,
+		.rate.mpu = conf_mpu,
+		.limit = rate*conf_latency/1000 + bucket,
+		.burst = tc_calc_xmittime(rate, bucket),
+	};
+
+	tc_calc_rtable(&police.rate, rtab, 0, 0);
+
+	pmsg = nlmsg_alloc_simple(RTM_NEWTFILTER, NLM_F_CREATE | NLM_F_REPLACE);
+	if (!pmsg)
+		goto out_err;
+	
+	msg = nlmsg_alloc();
+	if (!msg)
+		goto out_err;
+
+	msg1 = nlmsg_alloc();
+	if (!msg1)
+		goto out_err;
+
+	msg2 = nlmsg_alloc();
+	if (!msg2)
+		goto out_err;
+
+	msg3 = nlmsg_alloc();
+	if (!msg3)
+		goto out_err;
+
+	if (nlmsg_append(pmsg, &tchdr, sizeof(tchdr), NLMSG_ALIGNTO) < 0)
+		goto out_err;
+
+	NLA_PUT_STRING(pmsg, TCA_KIND, "u32");
+
+	NLA_PUT_U32(msg, TCA_U32_CLASSID, 1);
+	NLA_PUT(msg, TCA_U32_SEL, sizeof(sel), &sel);
+
+	NLA_PUT_STRING(msg3, TCA_ACT_KIND, "police");
+
+	NLA_PUT(msg2, TCA_POLICE_TBF, sizeof(police), &police);
+	NLA_PUT(msg2, TCA_POLICE_RATE, sizeof(rtab), rtab);
+
+	if (nla_put_nested(msg3, TCA_ACT_OPTIONS, msg2) < 0)
+		goto out_err;
+
+	if (nla_put_nested(msg1, 1, msg3) < 0)
+		goto out_err;
+
+	if (nla_put_nested(msg, TCA_U32_ACT, msg1))
+		goto out_err;
+
+	if (nla_put_nested(pmsg, TCA_OPTIONS, msg))
+		goto out_err;
+	
+	if (nl_send_auto_complete(h, pmsg) < 0)
+		goto out_err;
+	
+	if (nl_wait_for_ack(h) < 0)
+		goto out_err;
+
+	nlmsg_free(pmsg);
+	nlmsg_free(msg);
+	nlmsg_free(msg1);
+	nlmsg_free(msg2);
+	nlmsg_free(msg3);
+
+	return 0;
+
+out_err:
+nla_put_failure:
+
+	if (pmsg)
+		nlmsg_free(pmsg);
+
+	if (msg)
+		nlmsg_free(msg);
+
+	if (msg1)
+		nlmsg_free(msg1);
+
+	if (msg2)
+		nlmsg_free(msg1);
+
+	if (msg3)
+		nlmsg_free(msg1);
+
+	log_ppp_error("tbf: error occured, filter is not installed\n");
+
+	return -1;
+}
+
+
+static int install_shaper(const char *ifname, int down_speed, int down_burst, int up_speed, int up_burst)
+{
+	struct nl_sock *h;
+	struct ifreq ifr;
+	int err;
+
+	memset(&ifr, 0, sizeof(ifr));
+	strcpy(ifr.ifr_name, ifname);
+
+	if (ioctl(sock_fd, SIOCGIFINDEX, &ifr)) {
+		log_ppp_error("tbf: ioctl(SIOCGIFINDEX)", strerror(errno));
+		return -1;
+	}
+
+	h = nl_socket_alloc();
+	if (!h) {
+		log_ppp_error("tbf: nl_socket_alloc failed\n");
+		return -1;
+	}
+
+	err = nl_connect(h, NETLINK_ROUTE);
+	if (err < 0) {
+		log_ppp_error("tbf: nl_connect: %s", strerror(errno));
+		goto out;
+	}
+
+	if (down_speed)
+		if (install_tbf(h, ifr.ifr_ifindex, down_speed, down_burst))
+			return -1;
+	
+	if (up_speed) {
+		if (install_ingress(h, ifr.ifr_ifindex))
+			return -1;
+		if (install_filter(h, ifr.ifr_ifindex, up_speed, up_burst))
+			return -1;
+	}
+
+	nl_close(h);
+out:
+	nl_socket_free(h);
+
+	return 0;
+}
+
+static struct shaper_pd_t *find_pd(struct ppp_t *ppp, int create)
+{
+	struct ppp_pd_t *pd;
+	struct shaper_pd_t *spd;
+
+	list_for_each_entry(pd, &ppp->pd_list, entry) {
+		if (pd->key == &pd_key) {
+			spd = container_of(pd, typeof(*spd), pd);
+			return spd;
+		}
+	}
+
+	if (create) {
+		spd = _malloc(sizeof(*spd));
+		if (!spd) {
+			log_emerg("tbf: out of memory\n");
+			return NULL;
+		}
+
+		memset(spd, 0, sizeof(*spd));
+		spd->ppp = ppp;
+		list_add_tail(&spd->pd.entry, &ppp->pd_list);
+		spd->pd.key = &pd_key;
+		INIT_LIST_HEAD(&spd->tr_list);
+
+		pthread_rwlock_wrlock(&shaper_lock);
+		list_add_tail(&spd->entry, &shaper_list);
+		pthread_rwlock_unlock(&shaper_lock);
+		return spd;
+	}
+
+	return NULL;
+}
+
+static int remove_shaper(const char *ifname)
+{
+	struct nl_sock *h;
+	struct ifreq ifr;
+	struct nl_msg *pmsg;
+	int err;
+
+	memset(&ifr, 0, sizeof(ifr));
+	strcpy(ifr.ifr_name, ifname);
+
+	if (ioctl(sock_fd, SIOCGIFINDEX, &ifr)) {
+		log_ppp_error("tbf: ioctl(SIOCGIFINDEX)", strerror(errno));
+		return -1;
+	}
+
+	struct tcmsg tchdr1 = {
+		.tcm_family = AF_UNSPEC,
+		.tcm_ifindex = ifr.ifr_ifindex,
+		.tcm_handle = 0x00010000,
+		.tcm_parent = TC_H_ROOT,
+	};
+
+	struct tcmsg tchdr2 = {
+		.tcm_family = AF_UNSPEC,
+		.tcm_ifindex = ifr.ifr_ifindex,
+		.tcm_handle = 0xffff0000,
+		.tcm_parent = TC_H_INGRESS,
+	};
+
+	h = nl_socket_alloc();
+	if (!h) {
+		log_ppp_error("tbf: nl_socket_alloc failed\n");
+		return -1;
+	}
+
+	err = nl_connect(h, NETLINK_ROUTE);
+	if (err < 0) {
+		log_ppp_error("tbf: nl_connect: %s", strerror(errno));
+		nl_socket_free(h);
+		return -1;
+	}
+
+	pmsg = nlmsg_alloc_simple(RTM_DELQDISC, NLM_F_CREATE | NLM_F_REPLACE);
+	if (!pmsg)
+		goto out_err;
+
+	if (nlmsg_append(pmsg, &tchdr1, sizeof(tchdr1), NLMSG_ALIGNTO) < 0)
+		goto out_err;
+
+	if (nl_send_auto_complete(h, pmsg) < 0)
+		goto out_err;
+	
+	if (nl_wait_for_ack(h) < 0)
+		goto out_err;
+
+	nlmsg_free(pmsg);
+
+	pmsg = nlmsg_alloc_simple(RTM_DELQDISC, NLM_F_CREATE | NLM_F_REPLACE);
+	if (!pmsg)
+		goto out_err;
+
+	if (nlmsg_append(pmsg, &tchdr2, sizeof(tchdr2), NLMSG_ALIGNTO) < 0)
+		goto out_err;
+
+	if (nl_send_auto_complete(h, pmsg) < 0)
+		goto out_err;
+	
+	if (nl_wait_for_ack(h) < 0)
+		goto out_err;
+
+	nlmsg_free(pmsg);
+
+	nl_close(h);
+	nl_socket_free(h);
+	return 0;
+
+out_err:
+	log_ppp_error("tbf: failed to remove shaper\n");
+
+	if (pmsg)
+		nlmsg_free(pmsg);
+
+	nl_close(h);
+	nl_socket_free(h);
+
+	return -1;
+}
+
+static void parse_string(const char *str, int dir, int *speed, int *burst, int *tr_id)
+{
+	char *endptr;
+	long int val;
+	unsigned int n1, n2, n3;
+
+	if (strstr(str, "lcp:interface-config#1=rate-limit output access-group") == str) {
+		if (dir == ATTR_DOWN) {
+			val = sscanf(str, "lcp:interface-config#1=rate-limit output access-group %i %u %u %u conform-action transmit exceed-action drop", tr_id, &n1, &n2, &n3);
+			if (val == 4) {
+				*speed = n1/1000;
+				*burst = n2;
+			}
+		}
+		return;
+	} else if (strstr(str, "lcp:interface-config#1=rate-limit input access-group") == str) {
+		if (dir == ATTR_UP) {
+			val = sscanf(str, "lcp:interface-config#1=rate-limit input access-group %i %u %u %u conform-action transmit exceed-action drop", tr_id, &n1, &n2, &n3);
+			if (val == 4) {
+				*speed = n1/1000;
+				*burst = n2;
+			}
+		}
+		return;
+	}	else if (strstr(str, "lcp:interface-config#1=rate-limit output") == str) {
+		if (dir == ATTR_DOWN) {
+			val = sscanf(str, "lcp:interface-config#1=rate-limit output %u %u %u conform-action transmit exceed-action drop", &n1, &n2, &n3);
+			if (val == 3) {
+				*speed = n1/1000;
+				*burst = n2;
+			}
+		}
+		return;
+	}	else if (strstr(str, "lcp:interface-config#1=rate-limit input") == str) {
+		if (dir == ATTR_UP) {
+			val = sscanf(str, "lcp:interface-config#1=rate-limit input %u %u %u conform-action transmit exceed-action drop", &n1, &n2, &n3);
+			if (val == 3) {
+				*speed = n1/1000;
+				*burst = n2;
+			}
+		}
+		return;
+	}
+
+	val = strtol(str, &endptr, 10);
+	if (*endptr == 0) {
+		*speed = val;
+		return;
+	}
+	if (*endptr == ',') {
+		*tr_id = val;
+		val = strtol(endptr + 1, &endptr, 10);
+	}
+	if (*endptr == 0) {
+		*speed = val;
+		return;
+	} else {
+		if (*endptr == '/' || *endptr == '\\' || *endptr == ':') {
+			if (dir == ATTR_DOWN)
+				*speed = val;
+			else
+				*speed = strtol(endptr + 1, &endptr, 10);
+		}
+	}
+}
+
+#ifdef RADIUS
+static void parse_attr(struct rad_attr_t *attr, int dir, int *speed, int *burst, int *tr_id)
+{
+	if (attr->attr->type == ATTR_TYPE_STRING)
+		parse_string(attr->val.string, dir, speed, burst, tr_id);
+	else if (attr->attr->type == ATTR_TYPE_INTEGER)
+		*speed = attr->val.integer;
+}
+
+static struct time_range_pd_t *get_tr_pd(struct shaper_pd_t *pd, int id)
+{
+	struct time_range_pd_t *tr_pd;
+	
+	list_for_each_entry(tr_pd, &pd->tr_list, entry) {
+		if (tr_pd->id == id)
+			return tr_pd;
+	}
+
+	tr_pd = _malloc(sizeof(*tr_pd));
+	memset(tr_pd, 0, sizeof(*tr_pd));
+	tr_pd->id = id;
+
+	if (id == time_range_id)
+		pd->cur_tr = tr_pd;
+	
+	list_add_tail(&tr_pd->entry, &pd->tr_list);
+
+	return tr_pd;
+}
+
+static void clear_tr_pd(struct shaper_pd_t *pd)
+{
+	struct time_range_pd_t *tr_pd;
+
+	while (!list_empty(&pd->tr_list)) {
+		tr_pd = list_entry(pd->tr_list.next, typeof(*tr_pd), entry);
+		list_del(&tr_pd->entry);
+		_free(tr_pd);
+	}
+}
+
+static void check_radius_attrs(struct shaper_pd_t *pd, struct rad_packet_t *pack)
+{
+	struct rad_attr_t *attr;
+	int down_speed, down_burst;
+	int up_speed, up_burst;
+	int tr_id;
+	struct time_range_pd_t *tr_pd;
+
+	list_for_each_entry(attr, &pack->attrs, entry) {
+		if (attr->vendor && attr->vendor->id != conf_vendor)
+			continue;
+		if (!attr->vendor && conf_vendor)
+			continue;
+		if (attr->attr->id != conf_attr_down && attr->attr->id != conf_attr_up)
+			continue;
+		tr_id = 0;
+		down_speed = 0;
+		down_burst = 0;
+		up_speed = 0;
+		up_burst = 0;
+		if (attr->attr->id == conf_attr_down)
+			parse_attr(attr, ATTR_DOWN, &down_speed, &down_burst, &tr_id);
+		if (attr->attr->id == conf_attr_up)
+			parse_attr(attr, ATTR_UP, &up_speed, &up_burst, &tr_id);
+		tr_pd = get_tr_pd(pd, tr_id);
+		if (down_speed)
+			tr_pd->down_speed = down_speed;
+		if (down_burst)
+			tr_pd->down_burst = down_burst;
+		if (up_speed)
+			tr_pd->up_speed = up_speed;
+		if (up_burst)
+			tr_pd->up_burst = up_burst;
+	}
+}
+
+static void ev_radius_access_accept(struct ev_radius_t *ev)
+{
+	int down_speed, down_burst;
+	int up_speed, up_burst;
+	struct shaper_pd_t *pd = find_pd(ev->ppp, 1);
+
+	if (!pd)
+		return;
+
+	check_radius_attrs(pd, ev->reply);
+
+	if (temp_down_speed || temp_up_speed) {
+		pd->temp_down_speed = temp_down_speed;
+		pd->temp_up_speed = temp_up_speed;
+		pd->down_speed = temp_down_speed;
+		pd->up_speed = temp_up_speed;
+		down_speed = temp_down_speed;
+		up_speed = temp_up_speed;
+		down_burst = 0;
+		up_burst = 0;
+	} else {
+		if (!pd->cur_tr)
+			return;
+		pd->down_speed = pd->cur_tr->down_speed;
+		pd->up_speed = pd->cur_tr->up_speed;
+		down_speed = pd->cur_tr->down_speed;
+		up_speed = pd->cur_tr->up_speed;
+		down_burst = pd->cur_tr->down_burst;
+		up_burst = pd->cur_tr->up_speed;
+	}
+
+	if (down_speed > 0 && up_speed > 0) {
+		if (!install_shaper(ev->ppp->ifname, down_speed, down_burst, up_speed, up_burst)) {
+			if (conf_verbose)
+				log_ppp_info2("tbf: installed shaper %i/%i (Kbit)\n", down_speed, up_speed);
+		}
+	}
+}
+
+static void ev_radius_coa(struct ev_radius_t *ev)
+{
+	struct shaper_pd_t *pd = find_pd(ev->ppp, 0);
+
+	if (!pd) {
+		ev->res = -1;
+		return;
+	}
+	
+	clear_tr_pd(pd);
+	check_radius_attrs(pd, ev->request);
+		
+	if (pd->temp_down_speed || pd->temp_up_speed)
+		return;
+	
+	if (!pd->cur_tr) {
+		if (pd->down_speed || pd->up_speed) {
+			pd->down_speed = 0;
+			pd->up_speed = 0;
+			if (conf_verbose)
+				log_ppp_info2("tbf: removed shaper\n");
+			remove_shaper(ev->ppp->ifname);
+		}
+		return;
+	}
+
+	if (pd->down_speed != pd->cur_tr->down_speed || pd->up_speed != pd->cur_tr->up_speed) {
+		pd->down_speed = pd->cur_tr->down_speed;
+		pd->up_speed = pd->cur_tr->up_speed;
+
+		if (remove_shaper(ev->ppp->ifname)) {
+			ev->res = -1;
+			return;
+		}
+		
+		if (pd->down_speed > 0 || pd->up_speed > 0) {
+			if (install_shaper(ev->ppp->ifname, pd->cur_tr->down_speed, pd->cur_tr->down_burst, pd->cur_tr->up_speed, pd->cur_tr->up_burst)) {
+				ev->res= -1;
+				return;
+			} else {
+				if (conf_verbose)
+					log_ppp_info2("tbf: changed shaper %i/%i (Kbit)\n", pd->down_speed, pd->up_speed);
+			}
+		} else {
+			if (conf_verbose)
+				log_ppp_info2("tbf: removed shaper\n");
+		}
+	}
+}
+#endif
+
+static void ev_shaper(struct ev_shaper_t *ev)
+{
+	struct shaper_pd_t *pd = find_pd(ev->ppp, 1);
+	int down_speed = 0, down_burst = 0;
+	int up_speed = 0, up_burst = 0;
+	int tr_id;
+
+	if (!pd)
+		return;
+
+	parse_string(ev->val, ATTR_DOWN, &down_speed, &down_burst, &tr_id);
+	parse_string(ev->val, ATTR_UP, &up_speed, &up_burst, &tr_id);
+
+	if (down_speed > 0 && up_speed > 0) {
+		pd->down_speed = down_speed;
+		pd->up_speed = up_speed;
+		if (!install_shaper(ev->ppp->ifname, down_speed, down_burst, up_speed, up_burst)) {
+			if (conf_verbose)
+				log_ppp_info2("tbf: installed shaper %i/%i (Kbit)\n", down_speed, up_speed);
+		}
+	}
+}
+
+static void ev_ctrl_finished(struct ppp_t *ppp)
+{
+	struct shaper_pd_t *pd = find_pd(ppp, 0);
+
+	if (pd) {
+		clear_tr_pd(pd);
+		pthread_rwlock_wrlock(&shaper_lock);
+		list_del(&pd->entry);
+		pthread_rwlock_unlock(&shaper_lock);
+		list_del(&pd->pd.entry);
+		_free(pd);
+	}
+}
+
+static void shaper_change_help(char * const *f, int f_cnt, void *cli)
+{
+	cli_send(cli, "shaper change <interface> <value> [temp] - change shaper on specified interface, if temp is set then previous settings may be restored later by 'shaper restore'\r\n");
+	cli_send(cli, "shaper change all <value> [temp] - change shaper on all interfaces, if temp is set also new interfaces will have specified shaper value\r\n");
+}
+
+static void shaper_change(struct shaper_pd_t *pd)
+{
+	if ((pd->temp_down_speed && pd->temp_up_speed) || (pd->down_speed && pd->up_speed))
+		remove_shaper(pd->ppp->ifname);
+
+	if (pd->temp_down_speed && pd->temp_up_speed)
+		install_shaper(pd->ppp->ifname, pd->temp_down_speed, 0, pd->temp_up_speed, 0);
+	else if (pd->down_speed && pd->up_speed)
+		install_shaper(pd->ppp->ifname, pd->cur_tr->down_speed, pd->cur_tr->down_burst, pd->cur_tr->up_speed, pd->cur_tr->up_burst);
+}
+
+static int shaper_change_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	struct shaper_pd_t *pd;
+	int down_speed = 0, up_speed = 0, down_burst = 0, up_burst = 0;
+	int all = 0, temp = 0, found = 0;
+	int tr_id;
+
+	if (f_cnt < 4)
+		return CLI_CMD_SYNTAX;
+
+	parse_string(f[3], ATTR_DOWN, &down_speed, &down_burst, &tr_id);
+	parse_string(f[3], ATTR_UP, &up_speed, &up_burst, &tr_id);
+
+	if (down_speed == 0 || up_speed == 0)
+		return CLI_CMD_INVAL;
+	
+	if (!strcmp(f[2], "all"))
+		all = 1;
+	
+	if (f_cnt == 5) {
+		if (strcmp(f[4], "temp"))
+			return CLI_CMD_SYNTAX;
+		else
+			temp = 1;
+	}
+
+	if (all && temp) {
+		temp_down_speed = down_speed;
+		temp_up_speed = up_speed;
+	}
+
+	pthread_rwlock_rdlock(&shaper_lock);
+	list_for_each_entry(pd, &shaper_list, entry) {
+		if (all || !strcmp(f[2], pd->ppp->ifname)) {
+			if (temp) {
+				pd->temp_down_speed = down_speed;
+				pd->temp_up_speed = up_speed;
+			} else {
+				pd->temp_down_speed = 0;
+				pd->temp_up_speed = 0;
+				if (!pd->cur_tr)
+					pd->cur_tr = get_tr_pd(pd, 0);
+				pd->cur_tr->down_speed = down_speed;
+				pd->cur_tr->down_burst = down_burst;
+				pd->cur_tr->up_speed = up_speed;
+				pd->cur_tr->up_burst = up_burst;
+			}
+			triton_context_call(pd->ppp->ctrl->ctx, (triton_event_func)shaper_change, pd);
+			if (!all) {
+				found = 1;
+				break;
+			}
+		}
+	}
+	pthread_rwlock_unlock(&shaper_lock);
+
+	if (!all && !found)
+		cli_send(cli, "not found\r\n");
+
+	return CLI_CMD_OK;
+}
+
+static void shaper_restore_help(char * const *f, int f_cnt, void *cli)
+{
+	cli_send(cli, "shaper restore <interface> - restores shaper settings on specified interface made by 'shaper change' command with 'temp' flag\r\n");
+	cli_send(cli, "shaper restore all - restores shaper settings on all interfaces made by 'shaper change' command with 'temp' flag\r\n");
+}
+
+static void shaper_restore(struct shaper_pd_t *pd)
+{
+	remove_shaper(pd->ppp->ifname);
+
+	if (pd->cur_tr)
+		install_shaper(pd->ppp->ifname, pd->cur_tr->down_speed, pd->cur_tr->down_burst, pd->cur_tr->up_speed, pd->cur_tr->up_burst);
+}
+
+static int shaper_restore_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
+{
+	struct shaper_pd_t *pd;
+	int all, found = 0;;
+
+	if (f_cnt != 3)
+		return CLI_CMD_SYNTAX;
+	
+	if (strcmp(f[2], "all"))
+		all = 0;
+	else
+		all = 1;
+	
+	pthread_rwlock_rdlock(&shaper_lock);
+	if (all) {
+		temp_down_speed = 0;
+		temp_up_speed = 0;
+	}
+	list_for_each_entry(pd, &shaper_list, entry) {
+		if (!pd->temp_down_speed)
+			continue;
+		if (all || !strcmp(f[2], pd->ppp->ifname)) {
+			pd->temp_down_speed = 0;
+			pd->temp_up_speed = 0;
+			triton_context_call(pd->ppp->ctrl->ctx, (triton_event_func)shaper_restore, pd);
+			if (!all) {
+				found = 1;
+				break;
+			}
+		}
+	}
+	pthread_rwlock_unlock(&shaper_lock);
+
+	if (!all && !found)
+		cli_send(cli, "not found\r\n");
+	
+	return CLI_CMD_OK;
+}
+
+static void print_rate(const struct ppp_t *ppp, char *buf)
+{
+	struct shaper_pd_t *pd = find_pd((struct ppp_t *)ppp, 0);
+
+	if (pd && (pd->down_speed || pd->up_speed))
+		sprintf(buf, "%i/%i", pd->down_speed, pd->up_speed);
+	else
+		*buf = 0;
+}
+
+static void shaper_ctx_close(struct triton_context_t *ctx)
+{
+	struct time_range_t *r;
+
+	while (!list_empty(&time_range_list)) {
+		r = list_entry(time_range_list.next, typeof(*r), entry);
+		list_del(&r->entry);
+		if (r->begin.tpd)
+			triton_timer_del(&r->begin);
+		if (r->end.tpd)
+			triton_timer_del(&r->end);
+		_free(r);
+	}
+
+	triton_context_unregister(ctx);
+}
+
+static void update_shaper_tr(struct shaper_pd_t *pd)
+{
+	struct time_range_pd_t *tr;
+
+	list_for_each_entry(tr, &pd->tr_list, entry) {
+		if (tr->id != time_range_id)
+			continue;
+		pd->cur_tr = tr;
+		break;
+	}
+
+	if (pd->temp_down_speed || pd->temp_up_speed)
+		return;
+
+	if (pd->down_speed || pd->up_speed) {
+		if (pd->cur_tr && pd->down_speed == pd->cur_tr->down_speed && pd->up_speed == pd->cur_tr->up_speed)
+			return;
+		remove_shaper(pd->ppp->ifname);
+	}
+	
+	if (pd->cur_tr && (pd->cur_tr->down_speed || pd->cur_tr->up_speed)) {
+		pd->down_speed = pd->cur_tr->down_speed;
+		pd->up_speed = pd->cur_tr->up_speed;
+		if (!install_shaper(pd->ppp->ifname, pd->cur_tr->down_speed, pd->cur_tr->down_burst, pd->cur_tr->up_speed, pd->cur_tr->up_burst)) {
+			if (conf_verbose)
+				log_ppp_info2("tbf: changed shaper %i/%i (Kbit)\n", pd->cur_tr->down_speed, pd->cur_tr->up_speed);
+		}
+	} else
+		if (conf_verbose)
+			log_ppp_info2("tbf: removed shaper\n");
+		
+}
+
+static void time_range_begin_timer(struct triton_timer_t *t)
+{
+	struct time_range_t *tr = container_of(t, typeof(*tr), begin);
+	struct shaper_pd_t *pd;
+
+	time_range_id = tr->id;
+
+	log_debug("tbf: time_range_begin_timer: id=%i\n", time_range_id);
+
+	pthread_rwlock_rdlock(&shaper_lock);
+	list_for_each_entry(pd, &shaper_list, entry)
+		triton_context_call(pd->ppp->ctrl->ctx, (triton_event_func)update_shaper_tr, pd);
+	pthread_rwlock_unlock(&shaper_lock);
+}
+
+static void time_range_end_timer(struct triton_timer_t *t)
+{
+	struct shaper_pd_t *pd;
+
+	time_range_id = 0;
+	
+	log_debug("tbf: time_range_end_timer\n");
+
+	pthread_rwlock_rdlock(&shaper_lock);
+	list_for_each_entry(pd, &shaper_list, entry)
+		triton_context_call(pd->ppp->ctrl->ctx, (triton_event_func)update_shaper_tr, pd);
+	pthread_rwlock_unlock(&shaper_lock);
+}
+
+static struct time_range_t *parse_range(const char *val)
+{
+	char *endptr;
+	int id;
+	time_t t;
+	struct tm begin_tm, end_tm;
+	struct time_range_t *r;
+
+	id = strtol(val, &endptr, 10);
+	if (*endptr != ',')
+		return NULL;
+	if (id <= 0)
+		return NULL;
+	
+	time(&t);
+	localtime_r(&t, &begin_tm);
+	begin_tm.tm_sec = 1;
+	end_tm = begin_tm;
+	end_tm.tm_sec = 0;
+
+	endptr = strptime(endptr + 1, "%H:%M", &begin_tm);
+	if (*endptr != '-')
+		return NULL;
+	
+	endptr = strptime(endptr + 1, "%H:%M", &end_tm);
+	if (*endptr)
+		return NULL;
+	
+	r = _malloc(sizeof(*r));
+	memset(r, 0, sizeof(*r));
+
+	r->id = id;
+	r->begin.expire_tv.tv_sec = mktime(&begin_tm);
+	r->begin.period = 24 * 60 * 60 * 1000;
+	r->begin.expire = time_range_begin_timer;
+	r->end.expire_tv.tv_sec = mktime(&end_tm);
+	r->end.period = 24 * 60 * 60 * 1000;
+	r->end.expire = time_range_end_timer;
+
+	return r;
+}
+
+static void load_time_ranges(void)
+{
+	struct conf_sect_t *s = conf_get_section("tbf");
+	struct conf_option_t *opt;
+	struct time_range_t *r;
+	time_t ts;
+
+	if (!s)
+		return;
+	
+	time(&ts);
+
+	while (!list_empty(&time_range_list)) {
+		r = list_entry(time_range_list.next, typeof(*r), entry);
+		list_del(&r->entry);
+		if (r->begin.tpd)
+			triton_timer_del(&r->begin);
+		if (r->end.tpd)
+			triton_timer_del(&r->end);
+		_free(r);
+	}
+
+	list_for_each_entry(opt, &s->items, entry) {
+		if (strcmp(opt->name, "time-range"))
+			continue;
+		r = parse_range(opt->val);
+		if (r) {
+			list_add_tail(&r->entry, &time_range_list);
+			if (r->begin.expire_tv.tv_sec > r->end.expire_tv.tv_sec) {
+				if (ts >= r->begin.expire_tv.tv_sec - 24*60*60 && ts <= r->end.expire_tv.tv_sec)
+					time_range_begin_timer(&r->begin);
+			} else {
+				if (ts >= r->begin.expire_tv.tv_sec && ts <= r->end.expire_tv.tv_sec)
+					time_range_begin_timer(&r->begin);
+			}
+			if (r->begin.expire_tv.tv_sec < ts)
+				r->begin.expire_tv.tv_sec += 24 * 60 * 60;
+			if (r->end.expire_tv.tv_sec < ts)
+				r->end.expire_tv.tv_sec += 24 * 60 * 60;
+			triton_timer_add(&shaper_ctx, &r->begin, 1);
+			triton_timer_add(&shaper_ctx, &r->end, 1);
+		} else
+			log_emerg("tbf: failed to parse time-range '%s'\n", opt->val);
+	}
+}
+
+#ifdef RADIUS
+static int parse_attr_opt(const char *opt)
+{
+	struct rad_dict_attr_t *attr;
+	struct rad_dict_vendor_t *vendor;
+
+	if (conf_vendor)
+		vendor = rad_dict_find_vendor_id(conf_vendor);
+	else
+		vendor = NULL;
+
+	if (conf_vendor) {
+		if (vendor)
+			attr = rad_dict_find_vendor_attr(vendor, opt);
+		else
+			attr = NULL;
+	}else
+		attr = rad_dict_find_attr(opt);
+
+	if (attr)
+		return attr->id;
+
+	return atoi(opt);
+}
+
+static int parse_vendor_opt(const char *opt)
+{
+	struct rad_dict_vendor_t *vendor;
+
+	vendor = rad_dict_find_vendor_name(opt);
+	if (vendor)
+		return vendor->id;
+	
+	return atoi(opt);
+}
+#endif
+
+static void load_config(void)
+{
+	const char *opt;
+
+#ifdef RADIUS
+	opt = conf_get_opt("tbf", "vendor");
+	if (opt)
+		conf_vendor = parse_vendor_opt(opt);
+
+	opt = conf_get_opt("tbf", "attr");
+	if (opt) {
+		conf_attr_down = parse_attr_opt(opt);
+		conf_attr_up = parse_attr_opt(opt);
+	}
+
+	opt = conf_get_opt("tbf", "attr-down");
+	if (opt)
+		conf_attr_down = parse_attr_opt(opt);
+	
+	opt = conf_get_opt("tbf", "attr-up");
+	if (opt)
+		conf_attr_up = parse_attr_opt(opt);
+
+	if (conf_attr_up <= 0 || conf_attr_down <= 0) {
+		log_emerg("tbf: incorrect attribute(s), tbf disabled...\n");
+		return;
+	}
+#endif
+	
+	opt = conf_get_opt("tbf", "burst-factor");
+	if (opt) {
+		conf_down_burst_factor = strtod(opt, NULL);
+		conf_up_burst_factor = conf_down_burst_factor * 10;
+	}
+	
+	opt = conf_get_opt("tbf", "down-burst-factor");
+	if (opt)
+		conf_down_burst_factor = strtod(opt, NULL);
+
+	opt = conf_get_opt("tbf", "up-burst-factor");
+	if (opt)
+		conf_up_burst_factor = strtod(opt, NULL);
+
+	opt = conf_get_opt("tbf", "latency");
+	if (opt && atoi(opt) > 0)
+		conf_latency = atoi(opt);
+
+	opt = conf_get_opt("tbf", "mpu");
+	if (opt && atoi(opt) >= 0)
+		conf_mpu = atoi(opt);
+
+	opt = conf_get_opt("tbf", "verbose");
+	if (opt && atoi(opt) > 0)
+		conf_verbose = 1;
+	
+	triton_context_call(&shaper_ctx, (triton_event_func)load_time_ranges, NULL);
+}
+
+static int clock_init(void)
+{
+	FILE *fp;
+	uint32_t clock_res;
+	uint32_t t2us;
+	uint32_t us2t;
+
+	fp = fopen("/proc/net/psched", "r");
+
+	if (!fp) {
+		log_emerg("tbf: failed to open /proc/net/psched: %s\n", strerror(errno));
+		return -1;
+	}
+
+	if (fscanf(fp, "%08x%08x%08x", &t2us, &us2t, &clock_res) != 3) {
+		log_emerg("tbf: failed to parse /proc/net/psched\n");
+		fclose(fp);
+		return -1;
+	}
+
+	fclose(fp);
+
+	/* compatibility hack: for old iproute binaries (ignoring
+	* the kernel clock resolution) the kernel advertises a
+	* tick multiplier of 1000 in case of nano-second resolution,
+	* which really is 1. */
+	if (clock_res == 1000000000)
+		t2us = us2t;
+
+	clock_factor  = (double)clock_res / TIME_UNITS_PER_SEC;
+	tick_in_usec = (double)t2us / us2t * clock_factor;
+
+	return 0;
+}
+
+static void __init init(void)
+{
+	if (clock_init())
+		return;
+
+	triton_context_register(&shaper_ctx, NULL);
+	triton_context_wakeup(&shaper_ctx);
+
+	load_config();
+
+#ifdef RADIUS
+	triton_event_register_handler(EV_RADIUS_ACCESS_ACCEPT, (triton_event_func)ev_radius_access_accept);
+	triton_event_register_handler(EV_RADIUS_COA, (triton_event_func)ev_radius_coa);
+#endif
+	triton_event_register_handler(EV_CTRL_FINISHED, (triton_event_func)ev_ctrl_finished);
+	triton_event_register_handler(EV_SHAPER, (triton_event_func)ev_shaper);
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+
+	cli_register_simple_cmd2(shaper_change_exec, shaper_change_help, 2, "shaper", "change");
+	cli_register_simple_cmd2(shaper_restore_exec, shaper_restore_help, 2, "shaper", "restore");
+	cli_show_ses_register("rate-limit", "rate limit down-stream/up-stream (Kbit)", print_rate);
+}
+
diff --git a/accel-pppd/extra/sigchld.c b/accel-pppd/extra/sigchld.c
new file mode 100644
index 0000000..abfd42f
--- /dev/null
+++ b/accel-pppd/extra/sigchld.c
@@ -0,0 +1,116 @@
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <sys/wait.h>
+
+#include "triton.h"
+#include "spinlock.h"
+#include "log.h"
+
+#include "sigchld.h"
+
+#include "memdebug.h"
+
+static LIST_HEAD(handlers);
+static int lock_refs;
+static pthread_mutex_t handlers_lock = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t refs_cond = PTHREAD_COND_INITIALIZER;
+static pthread_t sigchld_thr;
+
+static void* sigchld_thread(void *arg)
+{
+	sigset_t set;
+	struct sigchld_handler_t *h, *h0;
+	pid_t pid;
+	int status, sig;
+
+	sigfillset(&set);
+	sigdelset(&set, SIGKILL);
+	sigdelset(&set, SIGSTOP);
+	pthread_sigmask(SIG_BLOCK, &set, NULL);
+
+	sigemptyset(&set);
+	sigaddset(&set, SIGCHLD);
+	sigaddset(&set, SIGQUIT);
+
+	while (1) {	
+		pid = waitpid(0, &status, 0);
+		if (pid < 0) {
+			if (errno == EINTR)
+				continue;
+			if (errno == ECHILD) {
+				sigwait(&set, &sig);
+				if (sig == SIGQUIT)
+					break;
+				continue;
+			}
+			log_error("sigchld: waitpid: %s\n", strerror(errno));
+			continue;
+		}
+
+		pthread_mutex_lock(&handlers_lock);
+		while (lock_refs)
+			pthread_cond_wait(&refs_cond, &handlers_lock);
+
+		h0 = NULL;
+		list_for_each_entry(h, &handlers, entry) {
+			if (h->pid == pid) {
+				h0 = h;
+				list_del(&h0->entry);
+				pthread_mutex_lock(&h0->lock);
+				break;
+			}
+		}
+		pthread_mutex_unlock(&handlers_lock);
+		if (h0) {
+			h0->handler(h0, WEXITSTATUS(status));
+			h0->pid = 0;
+			pthread_mutex_unlock(&h0->lock);
+		}
+	}
+
+	return NULL;
+}
+
+void __export sigchld_register_handler(struct sigchld_handler_t *h)
+{
+	pthread_mutex_init(&h->lock, NULL);
+
+	pthread_mutex_lock(&handlers_lock);
+	list_add_tail(&h->entry, &handlers);
+	pthread_mutex_unlock(&handlers_lock);
+}
+
+void __export sigchld_unregister_handler(struct sigchld_handler_t *h)
+{
+	pthread_mutex_lock(&handlers_lock);
+	pthread_mutex_lock(&h->lock);
+	if (h->pid) {
+		list_del(&h->entry);
+		h->pid = 0;
+	}
+	pthread_mutex_unlock(&h->lock);
+	pthread_mutex_unlock(&handlers_lock);
+}
+
+void __export sigchld_lock()
+{
+	pthread_mutex_lock(&handlers_lock);
+	++lock_refs;
+	pthread_mutex_unlock(&handlers_lock);
+}
+
+void __export sigchld_unlock()
+{
+	pthread_mutex_lock(&handlers_lock);
+	if (--lock_refs == 0)
+		pthread_cond_signal(&refs_cond);
+	pthread_mutex_unlock(&handlers_lock);
+}
+
+static void __init init(void)
+{
+	if (pthread_create(&sigchld_thr, NULL, sigchld_thread, NULL))
+		log_emerg("sigchld: pthread_create: %s\n", strerror(errno));
+}
diff --git a/accel-pppd/extra/sigchld.h b/accel-pppd/extra/sigchld.h
new file mode 100644
index 0000000..27d1adf
--- /dev/null
+++ b/accel-pppd/extra/sigchld.h
@@ -0,0 +1,21 @@
+#ifndef __SIGCHLD_H
+#define __SIGCHLD_H
+
+#include <pthread.h>
+#include "list.h"
+
+struct sigchld_handler_t
+{
+	struct list_head entry;
+	pthread_mutex_t lock;
+	pid_t pid;
+	void (*handler)(struct sigchld_handler_t *, int status);
+};
+
+void sigchld_register_handler(struct sigchld_handler_t *);
+void sigchld_unregister_handler(struct sigchld_handler_t *);
+void sigchld_lock();
+void sigchld_unlock();
+
+#endif
+
diff --git a/accel-pppd/include/cli.h b/accel-pppd/include/cli.h
new file mode 120000
index 0000000..b0f4902
--- /dev/null
+++ b/accel-pppd/include/cli.h
@@ -0,0 +1 @@
+../cli/cli.h
\ No newline at end of file
diff --git a/accel-pppd/include/events.h b/accel-pppd/include/events.h
new file mode 100644
index 0000000..6a8caf0
--- /dev/null
+++ b/accel-pppd/include/events.h
@@ -0,0 +1,49 @@
+#ifndef __EVENTS_H
+#define __EVENTS_H
+
+#include <stdint.h>
+
+#define EV_PPP_STARTING     1
+#define EV_PPP_STARTED      2
+#define EV_PPP_FINISHING    3
+#define EV_PPP_FINISHED     4
+#define EV_PPP_AUTHORIZED   5
+#define EV_CTRL_STARTING    6
+#define EV_CTRL_STARTED     7
+#define EV_CTRL_FINISHED    8
+#define EV_PPP_PRE_UP       9
+#define EV_PPP_ACCT_START   10
+#define EV_CONFIG_RELOAD		11
+#define EV_IP_CHANGED       100
+#define EV_SHAPER           101
+#define EV_MPPE_KEYS        102
+#define EV_RADIUS_ACCESS_ACCEPT 200
+#define EV_RADIUS_COA           201
+
+struct ppp_t;
+struct rad_packet_t;
+struct ev_radius_t
+{
+	struct ppp_t *ppp;
+	struct rad_packet_t *request;
+	struct rad_packet_t *reply;
+	int res;
+};
+
+struct ev_mppe_keys_t
+{
+	struct ppp_t *ppp;
+	uint8_t *recv_key;
+	uint8_t *send_key;
+	int policy;
+	int type;
+};
+
+struct ev_shaper_t
+{
+	struct ppp_t *ppp;
+	const char *val;
+};
+
+#endif
+
diff --git a/accel-pppd/include/if_pppox.h b/accel-pppd/include/if_pppox.h
new file mode 100644
index 0000000..0532d18
--- /dev/null
+++ b/accel-pppd/include/if_pppox.h
@@ -0,0 +1,234 @@
+/***************************************************************************
+ * Linux PPP over X - Generic PPP transport layer sockets
+ * Linux PPP over Ethernet (PPPoE) Socket Implementation (RFC 2516)
+ *
+ * This file supplies definitions required by the PPP over Ethernet driver
+ * (pppox.c).  All version information wrt this file is located in pppox.c
+ *
+ * License:
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ */
+
+#ifndef __LINUX_IF_PPPOX_H
+#define __LINUX_IF_PPPOX_H
+
+
+#include <asm/types.h>
+#include <asm/byteorder.h>
+#include <linux/version.h>
+#include <linux/if.h>
+#include <linux/if_ether.h>
+
+#ifdef  __KERNEL__
+#include <linux/in.h>
+#include <linux/netdevice.h>
+#include <linux/ppp_channel.h>
+#endif /* __KERNEL__ */
+
+/* For user-space programs to pick up these definitions
+ * which they wouldn't get otherwise without defining __KERNEL__
+ */
+#ifndef AF_PPPOX
+#define AF_PPPOX	24
+#define PF_PPPOX	AF_PPPOX
+#endif /* !(AF_PPPOX) */
+
+struct pppoe_addr {
+	__be16 sid;
+	unsigned char remote[ETH_ALEN];
+	char dev[IFNAMSIZ];
+};
+
+struct pptp_addr {
+       __u16           call_id;
+       struct in_addr  sin_addr;
+};
+/************************************************************************
+ * Protocols supported by AF_PPPOX
+ */
+#define PX_PROTO_OE    0 /* Currently just PPPoE */
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,22)
+#define PX_PROTO_PPTP  1
+#define PX_MAX_PROTO   2
+#else
+#define PX_PROTO_PPTP  2
+#define PX_MAX_PROTO   3
+#endif
+
+struct sockaddr_pppox {
+       sa_family_t     sa_family;            /* address family, AF_PPPOX */
+       unsigned int    sa_protocol;          /* protocol identifier */
+       union{
+	       			 struct pppoe_addr       pppoe;
+	       			 struct pptp_addr        pptp;
+       }sa_addr;
+}__attribute__ ((packed));
+
+
+/*********************************************************************
+ *
+ * ioctl interface for defining forwarding of connections
+ *
+ ********************************************************************/
+
+#define PPPOEIOCSFWD	_IOW(0xB1 ,0, size_t)
+#define PPPOEIOCDFWD	_IO(0xB1 ,1)
+/*#define PPPOEIOCGFWD	_IOWR(0xB1,2, size_t)*/
+
+/* Codes to identify message types */
+#define PADI_CODE	0x09
+#define PADO_CODE	0x07
+#define PADR_CODE	0x19
+#define PADS_CODE	0x65
+#define PADT_CODE	0xa7
+struct pppoe_tag {
+	__u16 tag_type;
+	__u16 tag_len;
+	char tag_data[0];
+} __attribute ((packed));
+
+/* Tag identifiers */
+#define PTT_EOL		__constant_htons(0x0000)
+#define PTT_SRV_NAME	__constant_htons(0x0101)
+#define PTT_AC_NAME	__constant_htons(0x0102)
+#define PTT_HOST_UNIQ	__constant_htons(0x0103)
+#define PTT_AC_COOKIE	__constant_htons(0x0104)
+#define PTT_VENDOR 	__constant_htons(0x0105)
+#define PTT_RELAY_SID	__constant_htons(0x0110)
+#define PTT_SRV_ERR     __constant_htons(0x0201)
+#define PTT_SYS_ERR  	__constant_htons(0x0202)
+#define PTT_GEN_ERR  	__constant_htons(0x0203)
+
+struct pppoe_hdr {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	__u8 ver : 4;
+	__u8 type : 4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+	__u8 type : 4;
+	__u8 ver : 4;
+#else
+#error	"Please fix <asm/byteorder.h>"
+#endif
+	__u8 code;
+	__u16 sid;
+	__u16 length;
+	struct pppoe_tag tag[0];
+} __attribute__ ((packed));
+
+
+/* Socket options */
+#define PPTP_SO_TIMEOUT 1
+
+
+#ifdef __KERNEL__
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
+struct pppoe_opt {
+	struct net_device      *dev;	  /* device associated with socket*/
+	struct pppoe_addr	pa;	  /* what this socket is bound to*/
+	struct sockaddr_pppox	relay;	  /* what socket data will be
+					     relayed to (PPPoE relaying) */
+};
+#endif
+struct pptp_opt {
+	struct pptp_addr	src_addr;
+	struct pptp_addr	dst_addr;
+	int timeout;
+	__u32 ack_sent, ack_recv;
+	__u32 seq_sent, seq_recv;
+	int ppp_flags;
+	int flags;
+	struct sk_buff_head skb_buf;
+  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+	struct tq_struct buf_work; //check bufferd packets work
+	struct timer_list buf_timer;
+	#else
+  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
+	struct delayed_work buf_work; //check bufferd packets work
+  #else
+	struct work_struct buf_work; //check bufferd packets work
+  #endif
+  #endif
+	struct gre_statistics *stat;
+	spinlock_t xmit_lock;
+	spinlock_t rcv_lock;
+};
+#define PPTP_FLAG_PAUSE 0
+#define PPTP_FLAG_PROC 1
+
+#include <net/sock.h>
+
+struct pppox_sock {
+	/* struct sock must be the first member of pppox_sock */
+	#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+	struct ppp_channel	chan;
+	struct sock		*sk;
+	#else
+	struct sock		sk;
+	struct ppp_channel	chan;
+	#endif
+	struct pppox_sock	*next;	  /* for hash table */
+	union {
+		struct pppoe_opt pppoe;
+		struct pptp_opt pptp;
+	} proto;
+	unsigned short		num;
+};
+#define pppoe_dev	proto.pppoe.dev
+#define pppoe_pa	proto.pppoe.pa
+#define pppoe_relay	proto.pppoe.relay
+
+static inline struct pppox_sock *pppox_sk(struct sock *sk)
+{
+	#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+	return (struct pppox_sock *)sk->protinfo.pppox;
+	#else
+	return (struct pppox_sock *)sk;
+	#endif
+}
+
+static inline struct sock *sk_pppox(struct pppox_sock *po)
+{
+	#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+	return po->sk;
+	#else
+	return (struct sock *)po;
+	#endif
+}
+
+struct module;
+
+struct pppox_proto {
+	#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+	int		(*create)(struct socket *sock);
+	#else
+	int		(*create)(struct net *net, struct socket *sock);
+	#endif
+	int		(*ioctl)(struct socket *sock, unsigned int cmd,
+				 unsigned long arg);
+  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
+	struct module	*owner;
+	#endif
+};
+
+extern int register_pppox_proto(int proto_num, struct pppox_proto *pp);
+extern void unregister_pppox_proto(int proto_num);
+extern void pppox_unbind_sock(struct sock *sk);/* delete ppp-channel binding */
+extern int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
+
+/* PPPoX socket states */
+enum {
+    PPPOX_NONE		= 0,  /* initial state */
+    PPPOX_CONNECTED	= 1,  /* connection established ==TCP_ESTABLISHED */
+    PPPOX_BOUND		= 2,  /* bound to ppp device */
+    PPPOX_RELAY		= 4,  /* forwarding is enabled */
+    PPPOX_ZOMBIE	= 8,  /* dead, but still bound to ppp device */
+    PPPOX_DEAD		= 16  /* dead, useless, please clean me up!*/
+};
+
+#endif /* __KERNEL__ */
+
+#endif /* !(__LINUX_IF_PPPOX_H) */
diff --git a/accel-pppd/include/ipdb.h b/accel-pppd/include/ipdb.h
new file mode 120000
index 0000000..77ab85b
--- /dev/null
+++ b/accel-pppd/include/ipdb.h
@@ -0,0 +1 @@
+../ipdb.h
\ No newline at end of file
diff --git a/accel-pppd/include/iprange.h b/accel-pppd/include/iprange.h
new file mode 120000
index 0000000..b8c2c43
--- /dev/null
+++ b/accel-pppd/include/iprange.h
@@ -0,0 +1 @@
+../iprange.h
\ No newline at end of file
diff --git a/accel-pppd/include/linux_ppp.h b/accel-pppd/include/linux_ppp.h
new file mode 100644
index 0000000..ebb4c23
--- /dev/null
+++ b/accel-pppd/include/linux_ppp.h
@@ -0,0 +1,19 @@
+#ifndef __KERNEL_PPP_H
+#define __KERNEL_PPP_H
+
+#include <linux/types.h>
+
+#ifndef aligned_u64
+#define aligned_u64 __u64 __attribute__((aligned(8)))
+#endif
+
+#ifndef __aligned_u64
+#define __aligned_u64 __u64 __attribute__((aligned(8)))
+#endif
+
+#include <linux/ppp_defs.h>
+#include <linux/if.h>
+#include <linux/if_ppp.h>
+
+#endif
+
diff --git a/accel-pppd/include/list.h b/accel-pppd/include/list.h
new file mode 120000
index 0000000..4b6d9a9
--- /dev/null
+++ b/accel-pppd/include/list.h
@@ -0,0 +1 @@
+../triton/list.h
\ No newline at end of file
diff --git a/accel-pppd/include/log.h b/accel-pppd/include/log.h
new file mode 120000
index 0000000..49a04dd
--- /dev/null
+++ b/accel-pppd/include/log.h
@@ -0,0 +1 @@
+../log.h
\ No newline at end of file
diff --git a/accel-pppd/include/memdebug.h b/accel-pppd/include/memdebug.h
new file mode 120000
index 0000000..3ee61bc
--- /dev/null
+++ b/accel-pppd/include/memdebug.h
@@ -0,0 +1 @@
+../memdebug.h
\ No newline at end of file
diff --git a/accel-pppd/include/mempool.h b/accel-pppd/include/mempool.h
new file mode 120000
index 0000000..2637ab6
--- /dev/null
+++ b/accel-pppd/include/mempool.h
@@ -0,0 +1 @@
+../triton/mempool.h
\ No newline at end of file
diff --git a/accel-pppd/include/ppp.h b/accel-pppd/include/ppp.h
new file mode 120000
index 0000000..ae3fa2e
--- /dev/null
+++ b/accel-pppd/include/ppp.h
@@ -0,0 +1 @@
+../ppp/ppp.h
\ No newline at end of file
diff --git a/accel-pppd/include/ppp_auth.h b/accel-pppd/include/ppp_auth.h
new file mode 120000
index 0000000..527c853
--- /dev/null
+++ b/accel-pppd/include/ppp_auth.h
@@ -0,0 +1 @@
+../ppp/ppp_auth.h
\ No newline at end of file
diff --git a/accel-pppd/include/ppp_fsm.h b/accel-pppd/include/ppp_fsm.h
new file mode 120000
index 0000000..5c6b7f4
--- /dev/null
+++ b/accel-pppd/include/ppp_fsm.h
@@ -0,0 +1 @@
+../ppp/ppp_fsm.h
\ No newline at end of file
diff --git a/accel-pppd/include/ppp_lcp.h b/accel-pppd/include/ppp_lcp.h
new file mode 120000
index 0000000..4902752
--- /dev/null
+++ b/accel-pppd/include/ppp_lcp.h
@@ -0,0 +1 @@
+../ppp/ppp_lcp.h
\ No newline at end of file
diff --git a/accel-pppd/include/pwdb.h b/accel-pppd/include/pwdb.h
new file mode 120000
index 0000000..360efe4
--- /dev/null
+++ b/accel-pppd/include/pwdb.h
@@ -0,0 +1 @@
+../pwdb.h
\ No newline at end of file
diff --git a/accel-pppd/include/radius.h b/accel-pppd/include/radius.h
new file mode 120000
index 0000000..e1465f1
--- /dev/null
+++ b/accel-pppd/include/radius.h
@@ -0,0 +1 @@
+../radius/radius.h
\ No newline at end of file
diff --git a/accel-pppd/include/sigchld.h b/accel-pppd/include/sigchld.h
new file mode 120000
index 0000000..9b74ebd
--- /dev/null
+++ b/accel-pppd/include/sigchld.h
@@ -0,0 +1 @@
+../extra/sigchld.h
\ No newline at end of file
diff --git a/accel-pppd/include/spinlock.h b/accel-pppd/include/spinlock.h
new file mode 120000
index 0000000..09edcf6
--- /dev/null
+++ b/accel-pppd/include/spinlock.h
@@ -0,0 +1 @@
+../triton/spinlock.h
\ No newline at end of file
diff --git a/accel-pppd/include/triton.h b/accel-pppd/include/triton.h
new file mode 120000
index 0000000..6f35a2f
--- /dev/null
+++ b/accel-pppd/include/triton.h
@@ -0,0 +1 @@
+../triton/triton.h
\ No newline at end of file
diff --git a/accel-pppd/include/utils.h b/accel-pppd/include/utils.h
new file mode 120000
index 0000000..6cd5d4f
--- /dev/null
+++ b/accel-pppd/include/utils.h
@@ -0,0 +1 @@
+../utils.h
\ No newline at end of file
diff --git a/accel-pppd/ipdb.c b/accel-pppd/ipdb.c
new file mode 100644
index 0000000..a08d3be
--- /dev/null
+++ b/accel-pppd/ipdb.c
@@ -0,0 +1,31 @@
+#include "triton.h"
+#include "ipdb.h"
+
+#include "memdebug.h"
+
+static LIST_HEAD(ipdb_handlers);
+
+__export struct ipdb_item_t *ipdb_get(struct ppp_t *ppp)
+{
+	struct ipdb_t *ipdb;
+	struct ipdb_item_t *it;
+
+	list_for_each_entry(ipdb, &ipdb_handlers, entry) {
+		it = ipdb->get(ppp);
+		if (it)
+			return it;
+	}
+
+	return NULL;
+}
+
+void __export ipdb_put(struct ppp_t *ppp, struct ipdb_item_t *it)
+{
+	if (it->owner->put)
+		it->owner->put(ppp, it);
+}
+
+void __export ipdb_register(struct ipdb_t *ipdb)
+{
+	list_add_tail(&ipdb->entry, &ipdb_handlers);
+}
diff --git a/accel-pppd/ipdb.h b/accel-pppd/ipdb.h
new file mode 100644
index 0000000..ebf3885
--- /dev/null
+++ b/accel-pppd/ipdb.h
@@ -0,0 +1,29 @@
+#ifndef IPDB_H
+#define IPDB_H
+
+#include <netinet/in.h>
+
+#include "ppp.h"
+#include "list.h"
+
+struct ipdb_item_t
+{
+	struct ipdb_t *owner;
+	in_addr_t addr;
+	in_addr_t peer_addr;
+};
+
+struct ipdb_t
+{
+	struct list_head entry;
+	struct ipdb_item_t *(*get)(struct ppp_t *ppp);
+	void (*put)(struct ppp_t *ppp, struct ipdb_item_t *);
+};
+
+struct ipdb_item_t *ipdb_get(struct ppp_t *ppp);
+void ipdb_put(struct ppp_t *ppp, struct ipdb_item_t *);
+
+void ipdb_register(struct ipdb_t *);
+
+#endif
+
diff --git a/accel-pppd/iprange.c b/accel-pppd/iprange.c
new file mode 100644
index 0000000..411dcb7
--- /dev/null
+++ b/accel-pppd/iprange.c
@@ -0,0 +1,146 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "triton.h"
+#include "list.h"
+#include "log.h"
+
+#include "iprange.h"
+
+#include "memdebug.h"
+
+struct iprange_t
+{
+	struct list_head entry;
+	uint32_t begin;
+	uint32_t end;
+};
+
+static int conf_disable = 0;
+
+static LIST_HEAD(client_ranges);
+//static LIST_HEAD(tunnel_ranges);
+
+//parses ranges like x.x.x.x/mask
+static struct iprange_t *parse1(const char *str)
+{
+	int n,f1,f2,f3,f4,m;
+	struct iprange_t *r;
+	int mask;
+	
+	n = sscanf(str, "%u.%u.%u.%u/%u",&f1, &f2, &f3, &f4, &m);
+	if (n != 5)
+		return NULL;
+	if (f1 > 255)
+		return NULL;
+	if (f2 > 255)
+		return NULL;
+	if (f3 > 255)
+		return NULL;
+	if (f4 > 255)
+		return NULL;
+	if (m == 0 || m > 32)
+		return NULL;
+	
+	r = _malloc(sizeof(*r));
+	r->begin = (f4 << 24) | (f3 << 16) | (f2 << 8) | f1;
+	
+	mask = htonl(~((1 << (32 - m)) - 1));
+	r->end = ntohl(r->begin | ~mask);
+	r->begin = ntohl(r->begin);
+	
+	return r;
+}
+
+//parses ranges like x.x.x.x-y
+static struct iprange_t *parse2(const char *str)
+{
+	int n,f1,f2,f3,f4,m;
+	struct iprange_t *r;
+
+	n = sscanf(str, "%u.%u.%u.%u-%u",&f1, &f2, &f3, &f4, &m);
+	if (n != 5)
+		return NULL;
+	if (f1 > 255)
+		return NULL;
+	if (f2 > 255)
+		return NULL;
+	if (f3 > 255)
+		return NULL;
+	if (f4 > 255)
+		return NULL;
+	if (m < f4 || m > 255)
+		return NULL;
+	
+	r = _malloc(sizeof(*r));
+	r->begin = ntohl((f4 << 24) | (f3 << 16) | (f2 << 8) | f1);
+	r->end = ntohl((m << 24) | (f3 << 16) | (f2 << 8) | f1);
+
+	return r;
+}
+
+static void load_ranges(struct list_head *list, const char *conf_sect)
+{
+	struct conf_sect_t *s =	conf_get_section(conf_sect);
+	struct conf_option_t *opt;
+	struct iprange_t *r;
+
+	if (!s) {
+		log_emerg("iprange: section '%s' not found in config file, pptp and l2tp probably will not work...\n", conf_sect);
+		return;
+	}
+
+	list_for_each_entry(opt, &s->items, entry) {
+		if (!strcmp(opt->name, "disable")) {
+			conf_disable = 1;
+			log_emerg("iprange: iprange module disabled so improper ip address assigning may cause kernel soft lockup!\n");
+			continue;
+		}
+		r = parse1(opt->name);
+		if (!r)
+			r = parse2(opt->name);
+		if (!r) {
+			log_emerg("iprange: cann't parse '%s' in '%s'\n", opt->name, conf_sect);
+			_exit(EXIT_FAILURE);
+		}
+		list_add_tail(&r->entry, list);
+	}
+}
+
+static int check_range(struct list_head *list, in_addr_t ipaddr)
+{
+	struct iprange_t *r;
+	uint32_t a = ntohl(ipaddr);
+	
+	list_for_each_entry(r, list, entry) {
+		if (a >= r->begin && a <= r->end)
+			return 0;
+	}
+
+	return -1;
+}
+
+int __export iprange_client_check(in_addr_t ipaddr)
+{
+	if (conf_disable)
+		return 0;
+
+	return check_range(&client_ranges, ipaddr);
+}
+int __export iprange_tunnel_check(in_addr_t ipaddr)
+{
+	if (conf_disable)
+		return 0;
+
+	return !check_range(&client_ranges, ipaddr);
+}
+
+static void __init iprange_init(void)
+{
+	load_ranges(&client_ranges, "client-ip-range");
+	//load_ranges(&tunnel_ranges, "tunnel-ip-range");
+}
+
diff --git a/accel-pppd/iprange.h b/accel-pppd/iprange.h
new file mode 100644
index 0000000..88a2486
--- /dev/null
+++ b/accel-pppd/iprange.h
@@ -0,0 +1,10 @@
+#ifndef __IPRANGE_H
+#define __IPRANGE_H
+
+#include <netinet/in.h>
+
+int iprange_client_check(in_addr_t ipaddr);
+int iprange_tunnel_check(in_addr_t ipaddr);
+
+#endif
+
diff --git a/accel-pppd/log.c b/accel-pppd/log.c
new file mode 100644
index 0000000..428fedd
--- /dev/null
+++ b/accel-pppd/log.c
@@ -0,0 +1,501 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <string.h>
+#include <stdint.h>
+#include <signal.h>
+#include <sys/time.h>
+
+#include "triton/mempool.h"
+#include "events.h"
+#include "ppp.h"
+
+#include "log.h"
+
+#include "memdebug.h"
+
+struct log_pd_t
+{
+	struct ppp_pd_t pd;
+	struct ppp_t *ppp;
+	struct list_head msgs;
+	struct log_msg_t *msg;
+	int authorized:1;
+};
+
+struct _log_msg_t
+{
+	struct list_head entry;
+	int level;
+	struct timeval timestamp;
+	struct list_head chunks;
+	unsigned int refs;
+};
+
+static int log_level;
+
+static LIST_HEAD(targets);
+static mempool_t msg_pool;
+static mempool_t _msg_pool;
+static mempool_t chunk_pool;
+
+static __thread struct ppp_t *cur_ppp;
+static __thread struct _log_msg_t *cur_msg;
+static __thread char *stat_buf;
+
+static FILE *emerg_file;
+static FILE *debug_file;
+
+static void _log_free_msg(struct _log_msg_t *msg);
+static struct log_msg_t *clone_msg(struct _log_msg_t *msg);
+static int add_msg(struct _log_msg_t *msg, const char *buf);
+//static struct log_pd_t *find_pd(struct ppp_t *ppp);
+static void write_msg(FILE *f, struct _log_msg_t *msg, struct ppp_t *ppp);
+
+static void do_log(int level, const char *fmt, va_list ap, struct ppp_t *ppp)
+{
+	struct log_target_t *t;
+	struct log_msg_t *m;
+
+	if (!stat_buf)
+		stat_buf = _malloc(LOG_MAX_SIZE + 1);
+
+	vsnprintf(stat_buf, LOG_MAX_SIZE, fmt, ap);
+
+	if (!cur_msg) {
+		cur_msg = mempool_alloc(_msg_pool);
+		if (!cur_msg)
+			return;
+		INIT_LIST_HEAD(&cur_msg->chunks);
+		cur_msg->refs = 1;
+		cur_msg->level = level;
+		gettimeofday(&cur_msg->timestamp, NULL);
+	}
+
+	if (add_msg(cur_msg, stat_buf))
+		goto out;
+
+	if (stat_buf[strlen(stat_buf) - 1] != '\n')
+		return;
+
+	if (debug_file)
+		write_msg(debug_file, cur_msg, ppp);
+
+	list_for_each_entry(t, &targets, entry) {
+		m = clone_msg(cur_msg);
+		if (!m)
+			break;
+		t->log(t, m, ppp);
+	}
+
+out:
+	_log_free_msg(cur_msg);
+	cur_msg = NULL;
+}
+
+void __export log_error(const char *fmt,...)
+{
+	if (log_level >= LOG_ERROR) {
+		va_list ap;
+		va_start(ap,fmt);
+		do_log(LOG_ERROR, fmt, ap, NULL);
+		va_end(ap);
+	}
+}
+
+void __export log_warn(const char *fmt,...)
+{
+	if (log_level >= LOG_WARN) {
+		va_list ap;
+		va_start(ap,fmt);
+		do_log(LOG_WARN, fmt, ap, NULL);
+		va_end(ap);
+	}
+}
+
+void __export log_info1(const char *fmt,...)
+{
+	if (log_level >= LOG_INFO1) {
+		va_list ap;
+		va_start(ap, fmt);
+		do_log(LOG_INFO1, fmt, ap, NULL);
+		va_end(ap);
+	}
+}
+
+void __export log_info2(const char *fmt,...)
+{
+	if (log_level >= LOG_INFO2) {
+		va_list ap;
+		va_start(ap, fmt);
+		do_log(LOG_INFO2, fmt, ap, NULL);
+		va_end(ap);
+	}
+}
+
+void __export log_debug(const char *fmt,...)
+{
+	if (log_level >= LOG_DEBUG) {
+		va_list ap;
+		va_start(ap, fmt);
+		do_log(LOG_DEBUG, fmt, ap, NULL);
+		va_end(ap);
+	}
+}
+
+void __export log_debug2(const char *fmt,...)
+{
+	va_list ap;
+	va_start(ap, fmt);
+	vfprintf(debug_file, fmt, ap);
+	va_end(ap);
+	fflush(debug_file);
+}
+void __export log_msg(const char *fmt,...)
+{
+	va_list ap;
+	va_start(ap, fmt);
+	do_log(LOG_MSG, fmt, ap, NULL);
+	va_end(ap);
+}
+
+void __export log_ppp_error(const char *fmt,...)
+{
+	if (log_level >= LOG_ERROR) {
+		va_list ap;
+		va_start(ap, fmt);
+		do_log(LOG_ERROR, fmt, ap, cur_ppp);
+		va_end(ap);
+	}
+}
+
+void __export log_ppp_warn(const char *fmt,...)
+{
+	if (log_level >= LOG_WARN) {
+		va_list ap;
+		va_start(ap, fmt);
+		do_log(LOG_WARN, fmt, ap, cur_ppp);
+		va_end(ap);
+	}
+}
+
+void __export log_ppp_info1(const char *fmt,...)
+{
+	if (log_level >= LOG_INFO1) {
+		va_list ap;
+		va_start(ap, fmt);
+		do_log(LOG_INFO1, fmt, ap, cur_ppp);
+		va_end(ap);
+	}
+}
+
+void __export log_ppp_info2(const char *fmt,...)
+{
+	if (log_level >= LOG_INFO2) {
+		va_list ap;
+		va_start(ap, fmt);
+		do_log(LOG_INFO2, fmt, ap, cur_ppp);
+		va_end(ap);
+	}
+}
+
+void __export log_ppp_debug(const char *fmt,...)
+{
+	if (log_level >= LOG_DEBUG) {
+		va_list ap;
+		va_start(ap, fmt);
+		do_log(LOG_DEBUG, fmt, ap, cur_ppp);
+		va_end(ap);
+	}
+}
+
+void __export log_ppp_msg(const char *fmt,...)
+{
+	va_list ap;
+	va_start(ap, fmt);
+	do_log(LOG_MSG, fmt, ap, cur_ppp);
+	va_end(ap);
+}
+
+void __export log_emerg(const char *fmt, ...)
+{
+	if (emerg_file) {
+		va_list ap;
+		va_start(ap, fmt);
+		vfprintf(emerg_file, fmt, ap);
+		va_end(ap);
+		fflush(emerg_file);
+	}
+}
+
+void __export log_free_msg(struct log_msg_t *m)
+{
+	struct _log_msg_t *msg = (struct _log_msg_t *)m->lpd;
+
+	//printf("free msg %p\n", m);
+	
+	mempool_free(m->hdr);
+	_log_free_msg(msg);
+
+	mempool_free(m);
+}
+
+
+static void _log_free_msg(struct _log_msg_t *msg)
+{
+	struct log_chunk_t *chunk;
+
+	if (__sync_sub_and_fetch(&msg->refs, 1))
+		return;
+	
+	while(!list_empty(&msg->chunks)) {
+		chunk = list_entry(msg->chunks.next, typeof(*chunk), entry);
+		list_del(&chunk->entry);
+		mempool_free(chunk);
+	}
+
+	mempool_free(msg);
+}
+
+static struct log_msg_t *clone_msg(struct _log_msg_t *msg)
+{
+	struct log_msg_t *m = mempool_alloc(msg_pool);
+	if (!m) {
+		log_emerg("log: out of memory\n");
+		return NULL;
+	}
+	
+	m->hdr = mempool_alloc(chunk_pool);
+	if (!m->hdr) {
+		log_emerg("log: out of memory\n");
+		mempool_free(m);
+		return NULL;
+	}	
+
+	m->hdr->len = 0;
+	m->lpd = msg;
+	m->chunks = &msg->chunks;
+	m->timestamp = msg->timestamp;
+	m->level = msg->level;
+
+	__sync_add_and_fetch(&msg->refs, 1);
+
+	//printf("clone msg %p\n", m);
+	return m;
+}
+
+static int add_msg(struct _log_msg_t *msg, const char *buf)
+{
+	struct log_chunk_t *chunk;
+	int i, len, chunk_cnt;
+	
+	len = strlen(buf);
+	chunk_cnt = (len - 1)/LOG_CHUNK_SIZE + 1;
+
+	for (i = 0; i < chunk_cnt; i++) {
+		chunk = mempool_alloc(chunk_pool);
+		if (!chunk)
+			return -1;
+
+		chunk->len = i == chunk_cnt -1 ? len - i * LOG_CHUNK_SIZE : LOG_CHUNK_SIZE;
+		memcpy(chunk->msg, buf + i * LOG_CHUNK_SIZE, chunk->len);
+		chunk->msg[chunk->len] = 0;
+
+		list_add_tail(&chunk->entry, &msg->chunks);
+	}
+
+	return 0;
+}
+
+static void write_msg(FILE *f, struct _log_msg_t *msg, struct ppp_t *ppp)
+{
+	struct log_chunk_t *chunk;
+
+	if (ppp)
+		sprintf(stat_buf,"%s: %s: ", ppp->ifname, ppp->sessionid);
+	else
+		stat_buf[0] = 0;
+	
+	list_for_each_entry(chunk, &msg->chunks, entry)
+		strcat(stat_buf, chunk->msg);
+	
+	fwrite(stat_buf, strlen(stat_buf), 1, f);
+	fflush(f);
+}
+
+/*static struct log_pd_t *find_pd(struct ppp_t *ppp)
+{
+	struct ppp_pd_t *pd;
+	struct log_pd_t *lpd;
+
+	list_for_each_entry(pd, &ppp->pd_list, entry) {
+		if (pd->key == &pd_key) {
+			lpd = container_of(pd, typeof(*lpd), pd);
+			return lpd;
+		}
+	}
+	log_emerg("log:BUG: pd not found\n");
+	abort();
+}
+
+static void ev_ctrl_starting(struct ppp_t *ppp)
+{
+	struct log_pd_t *lpd = _malloc(sizeof(*lpd));
+	if (!lpd) {
+		log_emerg("log: out of memory\n");
+		return;
+	}
+
+	memset(lpd, 0, sizeof(*lpd));
+	lpd->pd.key = &pd_key;
+	lpd->ppp = ppp;
+	INIT_LIST_HEAD(&lpd->msgs);
+	list_add_tail(&lpd->pd.entry, &ppp->pd_list);
+}
+
+static void ev_ctrl_finished(struct ppp_t *ppp)
+{
+	struct log_pd_t *lpd = find_pd(ppp);
+	struct _log_msg_t *msg;
+	struct log_msg_t *m;
+	struct log_target_t *t;
+
+	if (lpd->msg) {
+		log_emerg("log:BUG: lpd->msg is not NULL\n");
+		abort();
+	}
+
+	if (lpd->authorized) {
+		if (!list_empty(&lpd->msgs)) {
+			log_emerg("log:BUG: lpd->msgs is not empty\n");
+			abort();
+		}
+		list_for_each_entry(t, &targets, entry)
+			if (t->session_stop)
+				t->session_stop(ppp);
+	}
+
+	while (!list_empty(&lpd->msgs)) {
+		msg = list_entry(lpd->msgs.next, typeof(*msg), entry);
+		list_del(&msg->entry);
+
+		list_for_each_entry(t, &targets, entry) {
+			if (!t->log)
+				continue;
+			m = clone_msg(msg);
+			if (!m)
+				break;
+			t->log(m);
+		}
+
+		_log_free_msg(msg);
+	}
+
+	list_del(&lpd->pd.entry);
+	_free(lpd);
+}
+
+static void ev_ppp_authorized(struct ppp_t *ppp)
+{
+	struct log_pd_t *lpd = find_pd(ppp);
+	struct _log_msg_t *msg;
+	struct log_msg_t *m;
+	struct log_target_t *t;
+	
+	list_for_each_entry(t, &targets, entry)
+		if (t->session_start)
+			t->session_start(ppp);
+
+	while(!list_empty(&lpd->msgs)) {
+		msg = list_entry(lpd->msgs.next, typeof(*msg), entry);
+		list_del(&msg->entry);
+
+		list_for_each_entry(t, &targets, entry) {
+			if (!t->session_log)
+				continue;
+			m = clone_msg(msg);
+			if (!m)
+				break;
+			t->session_log(lpd->ppp, m);
+		}
+
+		_log_free_msg(msg);
+	}
+
+	lpd->authorized = 1;
+}*/
+
+void __export log_switch(struct triton_context_t *ctx, void *arg)
+{
+	cur_ppp = (struct ppp_t *)arg;
+}
+
+
+void __export log_register_target(struct log_target_t *t)
+{
+	list_add_tail(&t->entry, &targets);
+}
+
+static void sighup(int n)
+{
+	struct log_target_t *t;
+
+	list_for_each_entry(t, &targets, entry)
+		if (t->reopen)
+			t->reopen();
+}
+
+static void load_config(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("log", "level");
+	if (opt && atoi(opt) >= 0)
+		log_level = atoi(opt);
+
+	opt = conf_get_opt("log", "log-emerg");
+	if (opt) {
+		if (emerg_file)
+			emerg_file = freopen(opt, "a", emerg_file);
+		else
+			emerg_file = fopen(opt, "a");
+		if (!emerg_file)
+			fprintf(stderr, "log:open: %s\n", strerror(errno));
+	} else if (emerg_file) {
+		fclose(emerg_file);
+		emerg_file = NULL;
+	}
+
+	opt = conf_get_opt("log", "log-debug");
+	if (opt) {
+		if (debug_file)
+			debug_file = freopen(opt, "a", debug_file);
+		else
+			debug_file = fopen(opt, "a");
+		if (!debug_file)
+			fprintf(stderr, "log:open: %s\n", strerror(errno));
+	} else if (debug_file) {
+		fclose(debug_file);
+		debug_file = NULL;
+	}
+}
+
+static void __init log_init(void)
+{
+	struct sigaction sa = {
+		.sa_handler = sighup,
+	};
+
+	msg_pool = mempool_create(sizeof(struct log_msg_t));
+	_msg_pool = mempool_create(sizeof(struct _log_msg_t));
+	chunk_pool = mempool_create(sizeof(struct log_chunk_t) + LOG_CHUNK_SIZE + 1);
+
+	load_config();
+
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+
+	sigaction(SIGHUP, &sa, NULL);
+}
+
diff --git a/accel-pppd/log.h b/accel-pppd/log.h
new file mode 100644
index 0000000..d87c42c
--- /dev/null
+++ b/accel-pppd/log.h
@@ -0,0 +1,69 @@
+#ifndef __LOG_H
+#define __LOG_H
+
+#include <stdarg.h>
+#include <sys/time.h>
+#include "list.h"
+
+#define LOG_MSG   0
+#define LOG_ERROR 1
+#define LOG_WARN  2
+#define LOG_INFO1 3
+#define LOG_INFO2 4
+#define LOG_DEBUG 5
+
+#define LOG_CHUNK_SIZE 128
+#define LOG_MAX_SIZE 4096
+
+struct ppp_t;
+struct triton_context_t;
+
+struct log_msg_t
+{
+	struct list_head entry;
+	void *lpd;
+	void *tpd;
+	struct timeval timestamp;
+	int level;
+	struct log_chunk_t *hdr;
+	struct list_head *chunks;		
+};
+
+struct log_chunk_t
+{
+	struct list_head entry;
+	int len;
+	char msg[0];
+};
+
+struct log_target_t
+{
+	struct list_head entry;
+
+	void (*log)(struct log_target_t *, struct log_msg_t *, struct ppp_t *ppp);
+	void (*reopen)(void);
+};
+
+void log_free_msg(struct log_msg_t *msg);
+
+void log_emerg(const char *fmt, ...);
+
+void log_error(const char *fmt,...);
+void log_warn(const char *fmt,...);
+void log_info1(const char *fmt,...);
+void log_info2(const char *fmt,...);
+void log_debug(const char *fmt,...);
+void log_msg(const char *fmt,...);
+
+void log_ppp_error(const char *fmt,...);
+void log_ppp_warn(const char *fmt,...);
+void log_ppp_info1(const char *fmt,...);
+void log_ppp_info2(const char *fmt,...);
+void log_ppp_debug(const char *fmt,...);
+void log_ppp_msg(const char *fmt,...);
+
+void log_switch(struct triton_context_t *ctx, void *arg);
+
+void log_register_target(struct log_target_t *t);
+
+#endif
diff --git a/accel-pppd/logs/CMakeLists.txt b/accel-pppd/logs/CMakeLists.txt
new file mode 100644
index 0000000..ce909b6
--- /dev/null
+++ b/accel-pppd/logs/CMakeLists.txt
@@ -0,0 +1,17 @@
+ADD_LIBRARY(log_file SHARED log_file.c)
+TARGET_LINK_LIBRARIES(log_file rt)
+
+ADD_LIBRARY(log_tcp SHARED log_tcp.c)
+
+INSTALL(TARGETS log_file log_tcp
+	LIBRARY DESTINATION lib/accel-ppp
+)
+
+IF(LOG_PGSQL)
+	ADD_LIBRARY(log_pgsql SHARED log_pgsql.c)
+	TARGET_LINK_LIBRARIES(log_pgsql pq)
+	INSTALL(TARGETS log_pgsql
+		LIBRARY DESTINATION lib/accel-ppp
+	)
+ENDIF(LOG_PGSQL)
+
diff --git a/accel-pppd/logs/log_file.c b/accel-pppd/logs/log_file.c
new file mode 100644
index 0000000..e435757
--- /dev/null
+++ b/accel-pppd/logs/log_file.c
@@ -0,0 +1,614 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include <aio.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "log.h"
+#include "events.h"
+#include "ppp.h"
+#include "spinlock.h"
+#include "mempool.h"
+
+#include "memdebug.h"
+
+#define LOG_BUF_SIZE 16*1024
+
+#define RED_COLOR     "\033[1;31m"
+#define GREEN_COLOR   "\033[1;32m"
+#define YELLOW_COLOR  "\033[1;33m"
+#define BLUE_COLOR  	"\033[1;34m"
+#define NORMAL_COLOR  "\033[0;39m"
+
+struct log_file_t
+{
+	struct list_head entry;
+	struct list_head msgs;
+	spinlock_t lock;
+	int need_free:1;
+	int queued:1;
+	struct log_file_pd_t *lpd;
+
+	int fd;
+	int new_fd;
+	off_t offset;
+	unsigned long magic;
+};
+
+struct log_file_pd_t
+{
+	struct ppp_pd_t pd;
+	struct log_file_t lf;
+	unsigned long tmp;
+};
+
+static int conf_color;
+static int conf_per_session;
+static char *conf_per_user_dir;
+static char *conf_per_session_dir;
+static int conf_copy;
+
+static const char* level_name[]={"  msg", "error", " warn", " info", " info", "debug"};
+static const char* level_color[]={NORMAL_COLOR, RED_COLOR, YELLOW_COLOR, GREEN_COLOR, GREEN_COLOR, BLUE_COLOR};
+
+static void *pd_key1;
+static void *pd_key2;
+static struct log_file_t *log_file;
+
+static mempool_t lpd_pool;
+static char *log_buf;
+
+static struct aiocb aiocb = {
+	.aio_lio_opcode = LIO_WRITE,
+	.aio_sigevent.sigev_notify = SIGEV_SIGNAL,
+	.aio_sigevent.sigev_signo = SIGIO,
+};
+
+static LIST_HEAD(lf_queue);
+static spinlock_t lf_queue_lock = SPINLOCK_INITIALIZER;
+static int lf_queue_sleeping = 1;
+
+static unsigned long temp_seq;
+
+static void send_next_chunk();
+
+
+static void log_file_init(struct log_file_t *lf)
+{
+	spinlock_init(&lf->lock);
+	INIT_LIST_HEAD(&lf->msgs);
+	lf->fd = -1;
+	lf->new_fd = -1;
+}
+
+static int log_file_open(struct log_file_t *lf, const char *fname)
+{
+	lf->fd = open(fname, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
+	if (lf->fd < 0) {
+		log_emerg("log_file: open '%s': %s\n", fname, strerror(errno));
+		return -1;
+	} 
+	
+	lf->offset = lseek(lf->fd, 0, SEEK_END);
+	
+	return 0;
+}
+
+static void sigio(int num, siginfo_t *si, void *uc)
+{
+	struct log_file_t *lf;
+	int n;
+
+	if (si->si_signo != SIGIO)
+		return;
+
+	if (si->si_code != SI_ASYNCIO) {
+		if (aio_write(&aiocb))
+			log_emerg("log_file: aio_write: %s\n", strerror(errno));
+		return;
+	}
+
+	lf = (struct log_file_t *)si->si_ptr;
+
+	n = aio_return(&aiocb);
+	if (n < 0)
+		log_emerg("log_file: %s\n", strerror(aio_error(&aiocb)));
+	else if (n != aiocb.aio_nbytes)
+		log_emerg("log_file: short write %p %i %lu\n", lf, n, aiocb.aio_nbytes);
+
+	spin_lock(&lf->lock);
+	lf->offset += n;
+	if (list_empty(&lf->msgs)) {
+		if (lf->need_free) {
+			spin_unlock(&lf->lock);
+			close(lf->fd);
+			mempool_free(lf->lpd);
+		} else {
+			lf->queued = 0;
+			spin_unlock(&lf->lock);
+		}
+	} else {
+		spin_unlock(&lf->lock);
+
+		spin_lock(&lf_queue_lock);
+		list_add_tail(&lf->entry, &lf_queue);
+		spin_unlock(&lf_queue_lock);
+	}
+	
+	send_next_chunk();
+}
+
+static int dequeue_log(struct log_file_t *lf)
+{
+	int n, pos = 0;
+	struct log_msg_t *msg;
+	struct log_chunk_t *chunk;
+
+	while (1) {
+		spin_lock(&lf->lock);
+		if (list_empty(&lf->msgs)) {
+			spin_unlock(&lf->lock);
+			return pos;
+		}
+		msg = list_entry(lf->msgs.next, typeof(*msg), entry);
+		list_del(&msg->entry);
+		spin_unlock(&lf->lock);
+
+		if (pos + msg->hdr->len > LOG_BUF_SIZE)
+			goto overrun;
+		memcpy(log_buf + pos, msg->hdr->msg, msg->hdr->len);
+		n = msg->hdr->len;
+
+		list_for_each_entry(chunk, msg->chunks, entry) {
+			if (pos + n + chunk->len > LOG_BUF_SIZE)
+				goto overrun;
+			memcpy(log_buf + pos + n, chunk->msg, chunk->len);
+			n += chunk->len;
+		}
+
+		log_free_msg(msg);
+		pos += n;
+	}
+
+overrun:
+	spin_lock(&lf->lock);
+	list_add(&msg->entry, &lf->msgs);
+	spin_unlock(&lf->lock);
+
+	return pos;
+}
+
+static void send_next_chunk(void)
+{
+	struct log_file_t *lf;
+	int n;
+
+	spin_lock(&lf_queue_lock);
+	if (list_empty(&lf_queue)) {
+		lf_queue_sleeping = 1;
+		spin_unlock(&lf_queue_lock);
+		return;
+	}
+	lf = list_entry(lf_queue.next, typeof(*lf), entry);
+	
+	n = log_file->entry.next == NULL;
+	list_del(&lf->entry);
+
+	spin_unlock(&lf_queue_lock);
+
+	if (lf->new_fd != -1) {
+		close(lf->fd);
+		lf->fd = lf->new_fd;
+		lf->new_fd = -1;
+		lf->offset = 0;
+	}
+
+	aiocb.aio_fildes = lf->fd;
+	aiocb.aio_offset = lf->offset;
+	aiocb.aio_sigevent.sigev_value.sival_ptr = lf;
+	aiocb.aio_nbytes = dequeue_log(lf);
+
+	if (aio_write(&aiocb))
+		log_emerg("log_file: aio_write: %s\n", strerror(errno));
+}
+
+static void queue_lf(struct log_file_t *lf)
+{
+	int r;
+
+	spin_lock(&lf_queue_lock);
+	list_add_tail(&lf->entry, &lf_queue);
+	r = lf_queue_sleeping;
+	lf_queue_sleeping = 0;
+	spin_unlock(&lf_queue_lock);
+
+	if (r)
+		send_next_chunk();
+}
+
+static void queue_log(struct log_file_t *lf, struct log_msg_t *msg)
+{
+	int r;
+
+	spin_lock(&lf->lock);
+	list_add_tail(&msg->entry, &lf->msgs);
+	if (lf->fd != -1) {
+		r = lf->queued;
+		lf->queued = 1;
+	} else
+		r = 1;
+	spin_unlock(&lf->lock);
+
+	if (!r)
+		queue_lf(lf);
+}
+
+static void set_hdr(struct log_msg_t *msg, struct ppp_t *ppp)
+{
+	struct tm tm;
+	char timestamp[32];
+
+	localtime_r(&msg->timestamp.tv_sec, &tm);
+
+	strftime(timestamp, sizeof(timestamp), "%Y-%m-%d %H:%M:%S", &tm);
+	sprintf(msg->hdr->msg, "%s[%s]: %s: %s%s%s", conf_color ? level_color[msg->level] : "", 
+		timestamp, level_name[msg->level],
+		ppp ? ppp->ifname : "",
+		ppp ? ": " : "",
+		conf_color ? NORMAL_COLOR : "");
+	msg->hdr->len = strlen(msg->hdr->msg);
+}
+
+static void general_log(struct log_target_t *t, struct log_msg_t *msg, struct ppp_t *ppp)
+{
+	if (ppp && !conf_copy) {
+		log_free_msg(msg);
+		return;
+	}
+
+	set_hdr(msg, ppp);
+	queue_log(log_file, msg);
+}
+
+static struct log_file_pd_t *find_pd(struct ppp_t *ppp, void *pd_key)
+{
+	struct ppp_pd_t *pd;
+	struct log_file_pd_t *lpd;
+
+	list_for_each_entry(pd, &ppp->pd_list, entry) {
+		if (pd->key == pd_key) {
+			lpd = container_of(pd, typeof(*lpd), pd);
+			return lpd;
+		}
+	}
+	return NULL;
+}
+
+static void per_user_log(struct log_target_t *t, struct log_msg_t *msg, struct ppp_t *ppp)
+{
+	struct log_file_pd_t *lpd;
+
+	if (!ppp) {
+		log_free_msg(msg);
+		return;
+	}
+
+	lpd = find_pd(ppp, &pd_key1);
+
+	if (!lpd) {
+		log_free_msg(msg);
+		return;
+	}
+
+	set_hdr(msg, ppp);
+	queue_log(&lpd->lf, msg);
+}
+
+static void per_session_log(struct log_target_t *t, struct log_msg_t *msg, struct ppp_t *ppp)
+{
+	struct log_file_pd_t *lpd;
+	
+	if (!ppp) {
+		log_free_msg(msg);
+		return;
+	}
+
+	lpd = find_pd(ppp, &pd_key2);
+
+	if (!lpd) {
+		log_free_msg(msg);
+		return;
+	}
+
+	set_hdr(msg, ppp);
+	queue_log(&lpd->lf, msg);
+}
+
+static void general_reopen(void)
+{
+	char *fname = conf_get_opt("log", "log-file");
+ 	int fd = open(fname, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
+	if (fd < 0) {
+		log_emerg("log_file: open '%s': %s\n", fname, strerror(errno));
+		return;
+	}
+	log_file->new_fd = fd;
+}
+
+static void free_lpd(struct log_file_pd_t *lpd)
+{
+	struct log_msg_t *msg;
+
+	spin_lock(&lpd->lf.lock);
+	list_del(&lpd->pd.entry);
+	lpd->lf.need_free = 1;
+	if (lpd->lf.queued)
+		spin_unlock(&lpd->lf.lock);
+	else {
+		while (!list_empty(&lpd->lf.msgs)) {
+			msg = list_entry(lpd->lf.msgs.next, typeof(*msg), entry);
+			list_del(&msg->entry);
+			log_free_msg(msg);
+		}
+		if (lpd->lf.fd != -1)
+			close(lpd->lf.fd);
+		spin_unlock(&lpd->lf.lock);
+		mempool_free(lpd);
+	}
+}
+
+static void ev_ctrl_started(struct ppp_t *ppp)
+{
+	struct log_file_pd_t *lpd;
+	char *fname;
+
+	if (conf_per_user_dir) {
+		lpd = mempool_alloc(lpd_pool);
+		if (!lpd) {
+			log_emerg("log_file: out of memory\n");
+			return;
+		}
+		memset(lpd, 0, sizeof(*lpd));
+		lpd->pd.key = &pd_key1;
+		log_file_init(&lpd->lf);
+		lpd->lf.lpd = lpd;
+		list_add_tail(&lpd->pd.entry, &ppp->pd_list);
+	}
+
+	if (conf_per_session_dir) {
+		lpd = mempool_alloc(lpd_pool);
+		if (!lpd) {
+			log_emerg("log_file: out of memory\n");
+			return;
+		}
+		memset(lpd, 0, sizeof(*lpd));
+		lpd->pd.key = &pd_key2;
+		log_file_init(&lpd->lf);
+		lpd->lf.lpd = lpd;
+
+		fname = _malloc(PATH_MAX);
+		if (!fname) {
+			mempool_free(lpd);
+			log_emerg("log_file: out of memory\n");
+			return;
+		}
+
+		lpd->tmp = temp_seq++;
+		strcpy(fname, conf_per_session_dir);
+		strcat(fname, "/tmp");
+		sprintf(fname + strlen(fname), "%lu", lpd->tmp);
+
+		if (log_file_open(&lpd->lf, fname)) {
+			mempool_free(lpd);
+			_free(fname);
+			return;
+		}
+
+		_free(fname);
+
+		list_add_tail(&lpd->pd.entry, &ppp->pd_list);
+	}
+}
+
+static void ev_ctrl_finished(struct ppp_t *ppp)
+{
+	struct log_file_pd_t *lpd;
+	char *fname;
+
+	lpd = find_pd(ppp, &pd_key1);
+	if (lpd)
+		free_lpd(lpd);
+
+
+	lpd = find_pd(ppp, &pd_key2);
+	if (lpd) {
+		if (lpd->tmp) {
+			fname = _malloc(PATH_MAX);
+			if (fname) {
+				strcpy(fname, conf_per_session_dir);
+				strcat(fname, "/tmp");
+				sprintf(fname + strlen(fname), "%lu", lpd->tmp);
+				if (unlink(fname))
+					log_emerg("log_file: unlink '%s': %s\n", fname, strerror(errno));
+				_free(fname);
+			} else
+				log_emerg("log_file: out of memory\n");
+		}
+		free_lpd(lpd);
+	}
+}
+
+static void ev_ppp_starting(struct ppp_t *ppp)
+{
+	struct log_file_pd_t *lpd;
+	char *fname1, *fname2;
+
+	lpd = find_pd(ppp, &pd_key2);
+	if (!lpd)
+		return;
+	
+	fname1 = _malloc(PATH_MAX);
+	if (!fname1) {
+		log_emerg("log_file: out of memory\n");
+		return;
+	}
+
+	fname2 = _malloc(PATH_MAX);
+	if (!fname2) {
+		log_emerg("log_file: out of memory\n");
+		_free(fname1);
+		return;
+	}
+
+	strcpy(fname1, conf_per_session_dir);
+	strcat(fname1, "/tmp");
+	sprintf(fname1 + strlen(fname1), "%lu", lpd->tmp);
+
+	strcpy(fname2, conf_per_session_dir);
+	strcat(fname2, "/");
+	strcat(fname2, ppp->sessionid);
+	strcat(fname2, ".log");
+
+	if (rename(fname1, fname2))
+		log_emerg("log_file: rename '%s' to '%s': %s\n", fname1, fname2, strerror(errno));
+
+	lpd->tmp = 0;
+
+	_free(fname1);
+	_free(fname2);
+}
+
+static void ev_ppp_authorized(struct ppp_t *ppp)
+{
+	struct log_file_pd_t *lpd;
+	char *fname;
+
+	lpd = find_pd(ppp, &pd_key1);
+	if (!lpd)
+		return;
+
+	fname = _malloc(PATH_MAX);
+	if (!fname) {
+		log_emerg("log_file: out of memory\n");
+		return;
+	}
+
+	strcpy(fname, conf_per_user_dir);
+	strcat(fname, "/");
+	strcat(fname, ppp->username);
+	if (conf_per_session) {
+		if (mkdir(fname, S_IRWXU) && errno != EEXIST) {
+			log_emerg("log_file: mkdir '%s': %s'\n", fname, strerror(errno));
+			goto out_err;
+		}
+		strcat(fname, "/");
+		strcat(fname, ppp->sessionid);
+	}
+	strcat(fname, ".log");
+
+	if (log_file_open(&lpd->lf, fname))
+		goto out_err;
+
+	_free(fname);
+
+	if (!list_empty(&lpd->lf.msgs)) {
+		lpd->lf.queued = 1;
+		queue_lf(&lpd->lf);
+	}
+
+	return;
+
+out_err:
+	_free(fname);
+	list_del(&lpd->pd.entry);
+	free_lpd(lpd);
+}
+
+static struct log_target_t general_target = 
+{
+	.log = general_log,
+	.reopen = general_reopen,
+};
+
+static struct log_target_t per_user_target = 
+{
+	.log = per_user_log,
+};
+
+static struct log_target_t per_session_target = 
+{
+	.log = per_session_log,
+};
+
+static void __init init(void)
+{
+	char *opt;
+	
+	sigset_t set;
+	sigemptyset(&set);
+	sigaddset(&set, SIGIO);
+
+	struct sigaction sa = {
+		.sa_sigaction = sigio,
+		.sa_flags = SA_SIGINFO,
+		.sa_mask = set,
+	};
+
+	lpd_pool = mempool_create(sizeof(struct log_file_pd_t));
+	log_buf = malloc(LOG_BUF_SIZE);
+	aiocb.aio_buf = log_buf;
+
+	if (sigaction(SIGIO, &sa, NULL)) {
+		log_emerg("log_file: sigaction: %s\n", strerror(errno));
+		return;
+	}
+
+	opt = conf_get_opt("log", "log-file");
+	if (opt) {
+		log_file = malloc(sizeof(*log_file));
+		memset(log_file, 0, sizeof(*log_file));
+		log_file_init(log_file);
+		if (log_file_open(log_file, opt)) {
+			free(log_file);
+			_exit(EXIT_FAILURE);
+		}
+	}
+	
+	opt = conf_get_opt("log","color");
+	if (opt && atoi(opt) > 0)
+		conf_color = 1;
+	
+	opt = conf_get_opt("log", "per-user-dir");
+	if (opt)
+		conf_per_user_dir = _strdup(opt);
+
+	opt = conf_get_opt("log", "per-session-dir");
+	if (opt)
+		conf_per_session_dir = _strdup(opt);
+
+	opt = conf_get_opt("log", "per-session");
+	if (opt && atoi(opt) > 0)
+		conf_per_session = 1;
+	
+	opt = conf_get_opt("log", "copy");
+	if (opt && atoi(opt) > 0)
+		conf_copy = 1;
+
+	log_register_target(&general_target);
+	
+	if (conf_per_user_dir)
+		log_register_target(&per_user_target);
+	
+	if (conf_per_session_dir)
+		log_register_target(&per_session_target);
+
+	triton_event_register_handler(EV_CTRL_STARTED, (triton_event_func)ev_ctrl_started);
+	triton_event_register_handler(EV_CTRL_FINISHED, (triton_event_func)ev_ctrl_finished);
+	triton_event_register_handler(EV_PPP_STARTING, (triton_event_func)ev_ppp_starting);
+	triton_event_register_handler(EV_PPP_AUTHORIZED, (triton_event_func)ev_ppp_authorized);
+}
diff --git a/accel-pppd/logs/log_pgsql.c b/accel-pppd/logs/log_pgsql.c
new file mode 100644
index 0000000..af67e0b
--- /dev/null
+++ b/accel-pppd/logs/log_pgsql.c
@@ -0,0 +1,321 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <postgresql/libpq-fe.h>
+
+#include "triton.h"
+#include "spinlock.h"
+#include "log.h"
+#include "list.h"
+#include "ppp.h"
+
+#include "memdebug.h"
+
+static char *conf_conninfo;
+static int conf_queue_max = 1000;
+static char *conf_query;
+#define QUERY_TEMPLATE "insert into %s (timestamp, username, sessionid, msg) values ($1, $2, $3, $4)"
+
+static void start_connect(void);
+static void start_connect_timer(struct triton_timer_t *);
+static void pgsql_close(struct triton_context_t *ctx);
+
+static struct triton_context_t pgsql_ctx = {
+	.close = pgsql_close,
+	.before_switch = log_switch,
+};
+static struct triton_md_handler_t pgsql_hnd;
+static struct triton_timer_t connect_timer = {
+	.period = 5000,
+	.expire = start_connect_timer,
+};
+
+static PGconn *conn;
+
+static LIST_HEAD(msg_queue);
+static int queue_size;
+static int sleeping = 0;
+static spinlock_t queue_lock = SPINLOCK_INITIALIZER;
+static char *log_buf;
+static int need_close;
+
+static void unpack_msg(struct log_msg_t *msg)
+{
+	struct log_chunk_t *chunk;
+	int pos = 0;
+
+	list_for_each_entry(chunk, msg->chunks, entry) {
+		memcpy(log_buf + pos, chunk->msg, chunk->len);
+		pos += chunk->len;
+	}
+	if (pos > 1)
+		log_buf[pos - 1] = 0;
+	else
+		log_buf[0] = 0;
+}
+
+static void set_hdr(struct log_msg_t *msg, struct ppp_t *ppp)
+{
+	struct tm tm;
+
+	localtime_r(&msg->timestamp.tv_sec, &tm);
+
+	strftime(msg->hdr->msg, LOG_CHUNK_SIZE, "%Y-%m-%d %H:%M:%S", &tm);
+	msg->hdr->len = strlen(msg->hdr->msg) + 1;
+	if (ppp && ppp->username) {
+		strcpy(msg->hdr->msg + msg->hdr->len, ppp->username);
+		msg->hdr->len += strlen(ppp->username) + 1;
+		strcpy(msg->hdr->msg + msg->hdr->len, ppp->sessionid);
+		msg->hdr->len += strlen(ppp->sessionid) + 1;
+	} else 
+		memset(msg->hdr->msg + msg->hdr->len, 0, 2);
+		
+}
+
+static void write_next_msg(void)
+{
+	struct log_msg_t *msg;
+	const char *paramValues[4];
+	int paramFormats[4] = {0, 0, 0, 0};
+	char *ptr1, *ptr2;
+	int r;
+
+	spin_lock(&queue_lock);
+	if (list_empty(&msg_queue)) {
+		sleeping = 1;
+		spin_unlock(&queue_lock);
+		if (need_close) {
+			triton_md_unregister_handler(&pgsql_hnd);
+			PQfinish(conn);
+			conn = NULL;
+			triton_context_unregister(&pgsql_ctx);
+		}
+		return;
+	}
+
+	msg = list_entry(msg_queue.next, typeof(*msg), entry);
+	list_del(&msg->entry);
+	--queue_size;
+	spin_unlock(&queue_lock);
+
+	unpack_msg(msg);
+
+	ptr1 = strchr(msg->hdr->msg, 0);
+	ptr2 = strchr(ptr1 + 1, 0);
+
+	paramValues[1] = ptr1[1] ? ptr1 + 1 : NULL;
+	paramValues[2] = ptr2[1] ? ptr2 + 1 : NULL;
+	paramValues[0] = msg->hdr->msg;
+	paramValues[3] = log_buf;
+
+	if (!PQsendQueryParams(conn, conf_query, 4, NULL, paramValues, NULL, paramFormats, 0))
+		log_emerg("log_pgsql: %s\n", PQerrorMessage(conn));
+
+	log_free_msg(msg);
+
+	r = PQflush(conn);
+	if (r == -1)
+		log_emerg("log_pgsql: %s\n", PQerrorMessage(conn));
+	if (r == 0)
+		triton_md_enable_handler(&pgsql_hnd, MD_MODE_WRITE);
+}
+
+static int pgsql_check_ready(struct triton_md_handler_t *h)
+{
+	PGresult *res;
+
+	if (!PQconsumeInput(conn)) {
+		log_emerg("log_pgsql: %s\n", PQerrorMessage(conn));
+		if (PQstatus(conn) == CONNECTION_BAD) {
+			PQfinish(conn);
+			start_connect();
+		}
+	}
+
+	if (PQisBusy(conn))
+		return 0;
+
+	while (1) {
+		res = PQgetResult(conn);
+		if (!res)
+			break;
+		if (PQresultStatus(res) != PGRES_COMMAND_OK)
+			log_emerg("log_pgsql: %s\n", PQerrorMessage(conn));
+		PQclear(res);
+	}
+
+	write_next_msg();
+
+	return 0;
+}
+
+static int pgsql_flush(struct triton_md_handler_t *h)
+{
+	int r;
+
+	r = PQflush(conn);
+	if (r == -1)
+		log_emerg("log_pgsql: %s\n", PQerrorMessage(conn));
+	if (r == 1)
+		return 0;
+	
+	triton_md_disable_handler(&pgsql_hnd, MD_MODE_WRITE);
+	return 0;
+}
+
+static void wakeup_log(void)
+{
+	write_next_msg();
+}
+
+static void queue_log(struct log_msg_t *msg)
+{
+	int r = 0, f = 0;
+	spin_lock(&queue_lock);
+	if (!conn) {
+		log_free_msg(msg);
+		spin_unlock(&queue_lock);
+		return;
+	}
+	if (queue_size < conf_queue_max) {
+		list_add_tail(&msg->entry, &msg_queue);
+		++queue_size;
+		r = sleeping;
+		sleeping = 0;
+	} else
+		f = 1;
+	spin_unlock(&queue_lock);
+
+	if (r)
+		triton_context_call(&pgsql_ctx, (void (*)(void*))wakeup_log, NULL);
+	else if (f)
+		log_free_msg(msg);
+}
+
+
+static void general_log(struct log_target_t *t, struct log_msg_t *msg, struct ppp_t *ppp)
+{
+	set_hdr(msg, ppp);
+	queue_log(msg);
+}
+
+static int wait_connect(struct triton_md_handler_t *h)
+{
+	PostgresPollingStatusType status = PQconnectPoll(conn);
+	char *err_msg;
+
+	switch(status) {
+		case PGRES_POLLING_READING:
+			triton_md_enable_handler(h, MD_MODE_READ);
+			triton_md_disable_handler(h, MD_MODE_WRITE);
+			break;
+		case PGRES_POLLING_WRITING:
+			triton_md_enable_handler(h, MD_MODE_WRITE);
+			triton_md_disable_handler(h, MD_MODE_READ);
+			break;
+		case PGRES_POLLING_FAILED:
+			err_msg = PQerrorMessage(conn);
+			log_emerg("log_pgsql: %s\n", err_msg);
+			triton_md_disable_handler(h, MD_MODE_READ | MD_MODE_WRITE);
+			PQfinish(conn);
+			h->read = NULL;
+			h->write = NULL;
+			if (!connect_timer.tpd)
+				triton_timer_add(&pgsql_ctx, &connect_timer, 0);
+			break;
+		case PGRES_POLLING_OK:
+			//triton_md_disable_handler(h, MD_MODE_READ | MD_MODE_WRITE);
+			PQsetnonblocking(conn, 1);
+			h->write = pgsql_flush;
+			h->read = pgsql_check_ready;
+			triton_md_enable_handler(&pgsql_hnd, MD_MODE_READ);
+			wakeup_log();
+			break;
+		default:
+			break;
+	}
+	return 0;
+}
+
+static void start_connect(void)
+{
+	conn = PQconnectStart(conf_conninfo);
+	if (!conn) {
+		log_emerg("log_pgsql: out of memory\n");
+		return;
+	}
+
+	if (PQstatus(conn) == CONNECTION_BAD) {
+		log_emerg("log_pgsql: PQconnectStart failed\n");
+	}
+
+	pgsql_hnd.fd = PQsocket(conn);
+	pgsql_hnd.read = wait_connect;
+	pgsql_hnd.write = wait_connect;
+
+	wait_connect(&pgsql_hnd);
+}
+
+static void start_connect_timer(struct triton_timer_t *t)
+{
+	triton_timer_del(t);
+	start_connect();
+}
+
+static void pgsql_close(struct triton_context_t *ctx)
+{
+	spin_lock(&queue_lock);
+	if (sleeping) {
+		triton_md_unregister_handler(&pgsql_hnd);
+		PQfinish(conn);
+		conn = NULL;
+		triton_context_unregister(&pgsql_ctx);
+	} else
+		need_close = 1;	
+	spin_unlock(&queue_lock);
+}
+
+static struct log_target_t target = {
+	.log = general_log,
+};
+
+static void __init init(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("log-pgsql", "conninfo");
+	if (!opt)
+		return;
+	conf_conninfo = _strdup(opt);
+
+	opt = conf_get_opt("log-pgsql", "connect-inteval");
+	if (opt && atoi(opt) > 0)
+		connect_timer.period = atoi(opt) * 1000;
+	
+	opt = conf_get_opt("log-pgsql", "log-query");
+	if (opt)
+		conf_query = _strdup(opt);
+	else {
+		opt = conf_get_opt("log-pgsql", "log-table");
+		if (!opt || strlen(opt) > 32)
+			opt = "log";
+		conf_query = _malloc(sizeof(QUERY_TEMPLATE) + strlen(opt));
+		sprintf(conf_query, QUERY_TEMPLATE, opt);
+	}
+
+	log_buf = _malloc(LOG_MAX_SIZE + 1);
+	if (!log_buf) {
+		log_emerg("log_pgsql: out of memory\n");
+		return;
+	}
+
+	triton_context_register(&pgsql_ctx, NULL);
+	triton_md_register_handler(&pgsql_ctx, &pgsql_hnd);
+	triton_md_set_trig(&pgsql_hnd, MD_TRIG_LEVEL);
+	triton_context_wakeup(&pgsql_ctx);
+
+	start_connect();
+
+	log_register_target(&target);
+}
diff --git a/accel-pppd/logs/log_tcp.c b/accel-pppd/logs/log_tcp.c
new file mode 100644
index 0000000..306c450
--- /dev/null
+++ b/accel-pppd/logs/log_tcp.c
@@ -0,0 +1,323 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
+#include "log.h"
+#include "triton.h"
+#include "events.h"
+#include "ppp.h"
+#include "spinlock.h"
+#include "mempool.h"
+
+#include "memdebug.h"
+
+struct tcp_target_t
+{
+	struct log_target_t target;
+	struct list_head entry;
+	struct triton_md_handler_t hnd;
+	struct triton_timer_t conn_timer;
+  struct sockaddr_in addr;
+	char *buf;
+	int buf_size;
+	int buf_pos;
+	spinlock_t lock;
+	struct list_head queue;
+	int queue_len;
+	int connected:1;
+	int wait:1;
+};
+
+static int conf_connect_interval = 5;
+static int conf_queue_len = 1000;
+
+static struct triton_context_t tcp_ctx;
+
+static const char* level_name[]={"  msg", "error", " warn", " info", " info", "debug"};
+
+static void start_connect(struct tcp_target_t *t);
+
+static LIST_HEAD(targets);
+
+static void disconnect(struct tcp_target_t *t)
+{
+	triton_md_unregister_handler(&t->hnd);
+	close(t->hnd.fd);
+
+	start_connect(t);
+}
+
+static void unpack_msg(struct tcp_target_t *t, struct log_msg_t *msg)
+{
+	struct log_chunk_t *chunk;
+	int pos = strlen(msg->hdr->msg);
+
+	strcpy(t->buf, msg->hdr->msg);
+
+	list_for_each_entry(chunk, msg->chunks, entry) {
+		memcpy(t->buf + pos, chunk->msg, chunk->len);
+		pos += chunk->len;
+	}
+
+	t->buf_size = pos;
+	t->buf_pos = 0;
+}
+
+static int send_log(struct tcp_target_t *t)
+{
+	struct log_msg_t *msg;
+	int n;
+
+	while (1) {
+		spin_lock(&t->lock);
+		if (!t->queue_len) {
+			t->wait = 0;
+			spin_unlock(&t->lock);
+			return 0;
+		}
+		msg = list_entry(t->queue.next, typeof(*msg), entry);
+		list_del(&msg->entry);
+		t->queue_len--;
+		spin_unlock(&t->lock);
+
+		unpack_msg(t, msg);
+
+		log_free_msg(msg);
+
+		while (t->buf_pos != t->buf_size) {
+			n = write(t->hnd.fd, t->buf + t->buf_pos, t->buf_size - t->buf_pos);
+			if (n < 0) {
+				if (errno == EAGAIN)
+					return 1;
+				if (errno != EPIPE)
+					log_emerg("log-tcp: write: %s\n", strerror(errno));
+				disconnect(t);
+				return 0;
+			}
+			t->buf_pos += n;
+		}
+	}
+}
+
+static void queue_log(struct tcp_target_t *t, struct log_msg_t *msg)
+{
+	int r;
+
+	spin_lock(&t->lock);
+	if (t->queue_len == conf_queue_len) {
+		spin_unlock(&t->lock);
+		log_free_msg(msg);
+		return;
+	}
+	list_add_tail(&msg->entry, &t->queue);
+	t->queue_len++;
+	if (t->connected) {
+		r = t->wait;
+		t->wait = 1;
+	} else
+		r = 1;
+	spin_unlock(&t->lock);
+
+	if (!r) {
+		if (send_log(t))
+			triton_md_enable_handler(&t->hnd, MD_MODE_WRITE);
+	}
+}
+
+static void set_hdr(struct log_msg_t *msg, struct ppp_t *ppp)
+{
+	struct tm tm;
+	char timestamp[32];
+
+	localtime_r(&msg->timestamp.tv_sec, &tm);
+
+	strftime(timestamp, sizeof(timestamp), "%Y-%m-%d %H:%M:%S", &tm);
+	sprintf(msg->hdr->msg, "[%s]: %s: %s: ", timestamp, level_name[msg->level],	ppp ? ppp->ifname : "");
+	msg->hdr->len = strlen(msg->hdr->msg);
+}
+
+static void general_log(struct log_target_t *lt, struct log_msg_t *msg, struct ppp_t *ppp)
+{
+	struct tcp_target_t *t = container_of(lt, typeof(*t), target);
+
+	set_hdr(msg, ppp);
+	queue_log(t, msg);
+}
+
+static int log_tcp_write(struct triton_md_handler_t *h)
+{
+	struct tcp_target_t *t = container_of(h, typeof(*t), hnd);
+
+	if (!send_log(t))
+		triton_md_disable_handler(h, MD_MODE_WRITE);
+
+	return 0;
+}
+
+static int log_tcp_connect(struct triton_md_handler_t *h)
+{
+	struct tcp_target_t *t = container_of(h, typeof(*t), hnd);
+
+	if (connect(t->hnd.fd, &t->addr, sizeof(t->addr))) {
+		if (errno == EAGAIN)
+			return 0;
+		if (errno == EINPROGRESS)
+			return 0;
+		log_emerg("log-tcp: connect: %s\n", strerror(errno));
+		triton_md_unregister_handler(&t->hnd);
+		close(t->hnd.fd);
+		triton_timer_add(&tcp_ctx, &t->conn_timer, 0);
+		return 0;
+	}
+
+	t->hnd.write = log_tcp_write;
+
+	triton_md_disable_handler(&t->hnd, MD_MODE_WRITE);
+
+	spin_lock(&t->lock);
+	t->connected = 1;
+	t->wait = 1;
+	spin_unlock(&t->lock);
+
+	if (send_log(t))
+		triton_md_enable_handler(&t->hnd, MD_MODE_WRITE);
+
+	return 0;
+}
+
+static void connect_timer(struct triton_timer_t *timer)
+{
+	struct tcp_target_t *t = container_of(timer, typeof(*t), conn_timer);
+
+	triton_timer_del(timer);
+
+	start_connect(t);
+}
+
+static void start_connect(struct tcp_target_t *t)
+{
+	t->hnd.write = log_tcp_connect;
+	t->hnd.fd = socket(PF_INET, SOCK_STREAM, 0);
+
+	if (!t->hnd.fd) {
+		log_emerg("log-tcp: socket: %s\n", strerror(errno));
+		return;
+	}
+	
+	if (fcntl(t->hnd.fd, F_SETFL, O_NONBLOCK)) {
+    log_emerg("log-tcp: failed to set nonblocking mode: %s\n", strerror(errno));
+		close(t->hnd.fd);
+    return;
+	}
+
+	if (connect(t->hnd.fd, &t->addr, sizeof(t->addr))) {
+		if (errno != EINPROGRESS) {
+			log_emerg("log-tcp: connect: %s\n", strerror(errno));
+			close(t->hnd.fd);
+			return;
+		}
+	}
+
+	triton_md_register_handler(&tcp_ctx, &t->hnd);
+	triton_md_enable_handler(&t->hnd, MD_MODE_WRITE);
+}
+
+static void log_tcp_close(struct triton_context_t *ctx)
+{
+	struct tcp_target_t *t;
+
+	while (!list_empty(&targets)) {
+		t = list_entry(targets.next, typeof(*t), entry);
+		list_del(&t->entry);
+		if (t->conn_timer.tpd)
+			triton_timer_del(&t->conn_timer);
+		else {
+			t->connected = 0;
+			triton_md_unregister_handler(&t->hnd);
+			close(t->hnd.fd);
+		}
+	}
+
+	triton_context_unregister(&tcp_ctx);
+}
+
+static int start_log(const char *_opt)
+{
+	struct tcp_target_t *t;
+	char *opt = strdup(_opt);
+	int port;
+	char *d;
+
+	d = strchr(opt, ':');
+	if (!d)
+		goto err;
+
+	*d = 0;
+
+	port = atoi(d + 1);
+	if (port <= 0)
+		goto err;
+
+	t = _malloc(sizeof(*t));
+	memset(t, 0, sizeof(*t));
+
+	t->buf = _malloc(LOG_MAX_SIZE + 64);
+
+	t->conn_timer.expire_tv.tv_sec = conf_connect_interval;
+	t->conn_timer.expire = connect_timer;
+
+	t->target.log = general_log;
+
+	memset(&t->addr, 0, sizeof(t->addr));
+  t->addr.sin_family = AF_INET;
+  t->addr.sin_port = htons(port);
+	t->addr.sin_addr.s_addr = inet_addr(opt);
+
+	INIT_LIST_HEAD(&t->queue);
+
+	spinlock_init(&t->lock);
+
+	start_connect(t);
+
+	log_register_target(&t->target);
+
+	list_add_tail(&t->entry, &targets);
+
+	return 0;
+
+err:
+	free(opt);
+	return -1;
+}
+
+static struct triton_context_t tcp_ctx ={
+	.close = log_tcp_close,
+	.before_switch = log_switch,
+};
+
+static void __init init(void)
+{
+	struct conf_sect_t *s =	conf_get_section("log");
+	struct conf_option_t *opt;
+	
+	if (!s)
+		return;
+
+	triton_context_register(&tcp_ctx, NULL);
+
+	list_for_each_entry(opt, &s->items, entry) {
+		if (strcmp(opt->name, "log-tcp"))
+			continue;
+		if (!opt->val || start_log(opt->val))
+			log_emerg("log: log-tcp: invalid format: '%s'\n", opt->val);
+	}
+
+	triton_context_wakeup(&tcp_ctx);
+}
+
diff --git a/accel-pppd/main.c b/accel-pppd/main.c
new file mode 100644
index 0000000..2e48c45
--- /dev/null
+++ b/accel-pppd/main.c
@@ -0,0 +1,201 @@
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/resource.h>
+
+#include "triton/triton.h"
+
+#include "memdebug.h"
+#include "log.h"
+#include "events.h"
+
+static int goto_daemon;
+static char *pid_file;
+static char *conf_file;
+
+#define ARG_MAX 128
+static int parse_cmdline(char ***argv)
+{	
+	FILE *f;
+	int i;
+	size_t len;
+
+	f = fopen("/proc/self/cmdline", "r");
+	if (!f) {
+		perror("open cmdline");
+		_exit(EXIT_FAILURE);
+	}
+
+	*argv = _malloc(ARG_MAX * sizeof(void *));
+	memset(*argv, 0, ARG_MAX * sizeof(void *));
+
+	for(i = 0; i < ARG_MAX; i++) {
+		len = 0;
+		if (getdelim(&(*argv)[i], &len, 0, f) < 0)
+			break;
+	}
+
+	fclose(f);
+
+	return i;
+}
+static void __init __main(void)
+{
+	int i,argc;
+	char **argv;
+
+	argc=parse_cmdline(&argv);
+	
+	if (argc < 2)
+		goto usage;
+
+	for(i = 1; i < argc; i++) {
+		if (!strcmp(argv[i], "-d"))
+			goto_daemon = 1;
+		else if (!strcmp(argv[i], "-p")) {
+			if (i == argc - 1)
+				goto usage;
+			pid_file = argv[++i];
+		} else if (!strcmp(argv[i], "-c")) {
+			if (i == argc - 1)
+				goto usage;
+			conf_file = argv[++i];
+		}
+	}
+
+	if (!conf_file)
+		goto usage;
+
+	if (triton_init(conf_file))
+		_exit(EXIT_FAILURE);
+
+	return;
+
+usage:
+	printf("usage: accel-pppd [-d] [-p <file>] -c <file>\n\
+	where:\n\
+		-d - daemon mode\n\
+		-p - write pid to <file>\n\
+		-c - config file\n");
+	_exit(EXIT_FAILURE);
+}
+
+static void change_limits(void)
+{
+	FILE *f;
+	struct rlimit lim;
+	unsigned int file_max;
+
+	f = fopen("/proc/sys/fs/file-max", "r");
+	if (f) {
+		fscanf(f, "%d", &file_max);
+		fclose(f);
+
+		lim.rlim_cur = file_max;
+		lim.rlim_max = file_max;
+		if (setrlimit(RLIMIT_NOFILE, &lim))
+			log_emerg("main: setrlimit: %s\n", strerror(errno));
+	} else
+		log_emerg("main: failed to open '/proc/sys/fs/file-max': %s\n", strerror(errno));
+}
+
+static void config_reload_notify(int r)
+{
+	if (!r)
+		triton_event_fire(EV_CONFIG_RELOAD, NULL);
+}
+static void config_reload(int num)
+{
+	triton_conf_reload(config_reload_notify);
+}
+
+int main(int argc, char **argv)
+{
+	sigset_t set;
+	int sig;
+
+	if (goto_daemon) {
+		/*pid_t pid = fork();
+		if (pid > 0)
+			_exit(EXIT_SUCCESS);
+		if (pid < 0) {
+			perror("fork");
+			return EXIT_FAILURE;
+		}
+		if (setsid() < 0)
+			_exit(EXIT_FAILURE);
+		pid = fork();
+		if (pid)
+			_exit(0);
+		umask(0);
+		chdir("/");
+		close(STDIN_FILENO);
+		close(STDOUT_FILENO);
+		close(STDERR_FILENO);*/
+		daemon(0, 0);
+	}
+
+	if (pid_file) {
+		FILE *f = fopen(pid_file, "w");
+		if (f) {
+			fprintf(f, "%i", getpid());
+			fclose(f);
+		}
+	}
+
+	//signal(SIGTERM, sigterm);
+	//signal(SIGPIPE, sigterm);
+
+	change_limits();
+
+	if (triton_load_modules("modules"))
+		return EXIT_FAILURE;
+
+	log_msg("accel-ppp version %s\n", ACCEL_PPP_VERSION);
+
+	triton_run();
+
+	sigfillset(&set);
+
+	struct sigaction sa = {
+		.sa_handler = config_reload,
+		.sa_mask = set,
+	};
+
+	sigaction(SIGUSR1, &sa, NULL);
+
+	sigdelset(&set, SIGKILL);
+	sigdelset(&set, SIGSTOP);
+	sigdelset(&set, SIGSEGV);
+	sigdelset(&set, SIGFPE);
+	sigdelset(&set, SIGILL);
+	sigdelset(&set, SIGBUS);
+	sigdelset(&set, SIGHUP);
+	sigdelset(&set, SIGIO);
+	sigdelset(&set, SIGINT);
+	sigdelset(&set, SIGUSR1);
+	sigdelset(&set, 35);
+	sigdelset(&set, 36);
+	pthread_sigmask(SIG_SETMASK, &set, NULL);
+
+	sigemptyset(&set);
+	//sigaddset(&set, SIGINT);
+	sigaddset(&set, SIGTERM);
+	sigaddset(&set, SIGSEGV);
+	sigaddset(&set, SIGILL);
+	sigaddset(&set, SIGFPE);
+	sigaddset(&set, SIGBUS);
+	
+	sigwait(&set, &sig);
+	log_info1("terminate, sig = %i\n", sig);
+	
+	triton_terminate();
+
+	return EXIT_SUCCESS;
+}
+
diff --git a/accel-pppd/memdebug.c b/accel-pppd/memdebug.c
new file mode 100644
index 0000000..c33e34b
--- /dev/null
+++ b/accel-pppd/memdebug.c
@@ -0,0 +1,184 @@
+#undef MEMDEBUG
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+#include <limits.h>
+#include <signal.h>
+
+#include "spinlock.h"
+#include "list.h"
+
+#define __init __attribute__((constructor))
+#define __export __attribute__((visibility("default")))
+
+#undef offsetof
+#ifdef __compiler_offsetof
+#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
+#else
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
+
+#define container_of(ptr, type, member) ({			\
+	const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
+	(type *)( (char *)__mptr - offsetof(type,member) );})
+
+
+#define MAGIC1 0x1122334455667788llu
+
+struct mem_t
+{
+	struct list_head entry;
+	char fname[PATH_MAX];
+	int line;
+	size_t size;
+	uint64_t magic2;
+	uint64_t magic1;
+	char data[0];
+};
+
+static LIST_HEAD(mem_list);
+static spinlock_t mem_list_lock = SPINLOCK_INITIALIZER;
+
+struct mem_t *_md_malloc(size_t size, const char *fname, int line)
+{
+	struct mem_t *mem = malloc(sizeof(*mem) + size + 8);
+
+	if (size > 4096)
+		line = 0;
+
+	strcpy(mem->fname, fname);
+	mem->line = line;
+	mem->size = size;
+	mem->magic1 = MAGIC1;
+	mem->magic2 = (uint64_t)random() * (uint64_t)random();
+	*(uint64_t*)(mem->data + size) = mem->magic2;
+
+	spin_lock(&mem_list_lock);
+	list_add_tail(&mem->entry, &mem_list);
+	spin_unlock(&mem_list_lock);
+
+	return mem;
+}
+
+void __export *md_malloc(size_t size, const char *fname, int line)
+{
+	struct mem_t *mem = _md_malloc(size, fname, line);
+
+	return mem->data;
+}
+
+void __export md_free(void *ptr, const char *fname, int line)
+{
+	struct mem_t *mem = container_of(ptr, typeof(*mem), data);
+
+	if (!ptr) {
+		printf("free null pointer at %s:%i\n", fname, line);
+		abort();
+	}
+	
+	if (mem->magic1 != MAGIC1) {
+		printf("memory corruption:\nfree at %s:%i\n", fname, line);
+		abort();
+	}
+
+	if (mem->magic2 != *(uint64_t*)(mem->data + mem->size)) {
+		printf("memory corruption:\nmalloc(%lu) at %s:%i\nfree at %s:%i\n", (long unsigned)mem->size, mem->fname, mem->line, fname, line);
+		abort();
+	}
+	
+	mem->magic1 = 0;
+	mem->magic2 = 0;
+
+	spin_lock(&mem_list_lock);
+	list_del(&mem->entry);
+	spin_unlock(&mem_list_lock);
+
+	free(mem);
+	return;
+}
+
+void __export *md_realloc(void *ptr, size_t size, const char *fname, int line)
+{
+	struct mem_t *mem = container_of(ptr, typeof(*mem), data);
+	struct mem_t *mem2;
+	
+	if (mem->magic1 != MAGIC1) {
+		printf("memory corruption:\nfree at %s:%i\n", fname, line);
+		abort();
+	}
+
+	if (mem->magic2 != *(uint64_t*)(mem->data + mem->size)) {
+		printf("memory corruption:\nmalloc(%lu) at %s:%i\nfree at %s:%i\n", (long unsigned)mem->size, mem->fname, mem->line, fname, line);
+		abort();
+	}
+
+	mem2 = _md_malloc(size, fname, line);
+	memcpy(mem2->data, mem->data, mem->size);
+	
+	md_free(mem->data, fname, line);
+
+	return mem2->data;
+}
+
+char __export *md_strdup(const char *ptr, const char *fname, int line)
+{
+	struct mem_t *mem = _md_malloc(strlen(ptr) + 1, fname, line);
+	memcpy(mem->data, ptr, strlen(ptr) + 1);
+	return mem->data;
+}
+
+char __export *md_strndup(const char *ptr, size_t n, const char *fname, int line)
+{
+	struct mem_t *mem = _md_malloc(n + 1, fname, line);
+	memcpy(mem->data, ptr, n);
+	mem->data[n] = 0;
+	return mem->data;
+}
+
+static void siginfo(int num)
+{
+	struct mem_t *mem;
+	size_t total = 0;
+
+	spin_lock(&mem_list_lock);
+	list_for_each_entry(mem, &mem_list, entry) {
+		printf("%s:%i %lu\n", mem->fname, mem->line, (long unsigned)mem->size);
+		total += mem->size;
+	}
+	spin_unlock(&mem_list_lock);
+	printf("total = %lu\n", (long unsigned)total);
+}
+
+static void siginfo2(int num)
+{
+	struct mem_t *mem;
+
+	spin_lock(&mem_list_lock);
+	list_for_each_entry(mem, &mem_list, entry) {
+		if (mem->magic1 != MAGIC1 || mem->magic2 != *(uint64_t*)(mem->data + mem->size))
+			printf("%s:%i %lu\n", mem->fname, mem->line, (long unsigned)mem->size);
+	}
+	spin_unlock(&mem_list_lock);
+}
+
+void __export md_check(void *ptr)
+{
+	struct mem_t *mem = container_of(ptr, typeof(*mem), data);
+
+	if (!ptr)
+		abort();
+	
+	if (mem->magic1 != MAGIC1)
+		abort();
+
+	if (mem->magic2 != *(uint64_t*)(mem->data + mem->size))
+		abort();
+}
+
+static void __init init(void)
+{
+	signal(36, siginfo);
+	signal(37, siginfo2);
+}
diff --git a/accel-pppd/memdebug.h b/accel-pppd/memdebug.h
new file mode 100644
index 0000000..dc6b9ad
--- /dev/null
+++ b/accel-pppd/memdebug.h
@@ -0,0 +1,28 @@
+#ifndef __MEMDEBUG_H
+#define __MEMDEBUG_H
+
+#ifdef MEMDEBUG
+
+#include <sys/types.h>
+
+#define _malloc(size) md_malloc(size, __FILE__, __LINE__)
+#define _realloc(ptr, size) md_realloc(ptr, size, __FILE__, __LINE__)
+#define _free(ptr) md_free(ptr, __FILE__, __LINE__)
+#define _strdup(str) md_strdup(str, __FILE__, __LINE__)
+#define _strndup(str, size) md_strndup(str, size, __FILE__, __LINE__)
+
+void *md_malloc(size_t size, const char *fname, int line);
+void *md_realloc(void *ptr, size_t size, const char *fname, int line);
+void md_free(void *ptr, const char *fname, int line);
+char* md_strdup(const char *ptr, const char *fname, int line);
+char* md_strndup(const char *ptr, size_t size, const char *fname, int line);
+void md_check(void *ptr);
+
+#else
+#define _malloc(size) malloc(size)
+#define _realloc(ptr, size) realloc(ptr, size)
+#define _free(ptr) free(ptr)
+#endif
+
+#endif
+
diff --git a/accel-pppd/ppp/CMakeLists.txt b/accel-pppd/ppp/CMakeLists.txt
new file mode 100644
index 0000000..f4c0f04
--- /dev/null
+++ b/accel-pppd/ppp/CMakeLists.txt
@@ -0,0 +1,19 @@
+SET(target ppp)
+SET(sources_c 
+	ppp.c
+	ppp_fsm.c
+	ppp_lcp.c
+	lcp_opt_mru.c
+	lcp_opt_magic.c
+	lcp_opt_pcomp.c
+	lcp_opt_accomp.c
+	ppp_auth.c
+	ppp_ipcp.c
+	ipcp_opt_ipaddr.c
+	ipcp_opt_dns.c
+	ppp_ccp.c	
+)
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+
+ADD_LIBRARY(${target} SHARED ${sources_c})
+
diff --git a/accel-pppd/ppp/ccp_mppe.c b/accel-pppd/ppp/ccp_mppe.c
new file mode 100644
index 0000000..0952aa0
--- /dev/null
+++ b/accel-pppd/ppp/ccp_mppe.c
@@ -0,0 +1,259 @@
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include "linux_ppp.h"
+
+#include "ppp.h"
+#include "ppp_ccp.h"
+#include "log.h"
+#include "events.h"
+
+#include "memdebug.h"
+
+#define MPPE_H (1 << 24)
+#define MPPE_M (1 << 7)
+#define MPPE_S (1 << 6)
+#define MPPE_L (1 << 5)
+#define MPPE_D (1 << 4)
+#define MPPE_C (1 << 0)
+
+#define MPPE_PAD 4
+
+static struct ccp_option_t *mppe_init(struct ppp_ccp_t *ccp);
+static void mppe_free(struct ppp_ccp_t *ccp, struct ccp_option_t *opt);
+static int mppe_send_conf_req(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr);
+static int mppe_recv_conf_req(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr);
+static int mppe_recv_conf_nak(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr);
+static int mppe_recv_conf_rej(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr);
+static void mppe_print(void (*print)(const char *fmt,...),struct ccp_option_t*, uint8_t *ptr);
+
+struct mppe_option_t
+{
+	struct ccp_option_t opt;
+	int mppe;
+	uint8_t recv_key[16];
+	uint8_t send_key[16];
+	int policy; // 1 - allowed, 2 - required
+};
+
+static struct ccp_option_handler_t mppe_opt_hnd = {
+	.init = mppe_init,
+	.send_conf_req = mppe_send_conf_req,
+	.send_conf_nak = mppe_send_conf_req,
+	.recv_conf_req = mppe_recv_conf_req,
+	.recv_conf_nak = mppe_recv_conf_nak,
+	.recv_conf_rej = mppe_recv_conf_rej,
+	.free = mppe_free,
+	.print = mppe_print,
+};
+
+static struct ccp_option_t *mppe_init(struct ppp_ccp_t *ccp)
+{
+	struct mppe_option_t *mppe_opt = _malloc(sizeof(*mppe_opt));
+	memset(mppe_opt, 0, sizeof(*mppe_opt));
+	mppe_opt->mppe = -1;
+	mppe_opt->opt.id = CI_MPPE;
+	mppe_opt->opt.len = 6;
+
+	return &mppe_opt->opt;
+}
+
+static void mppe_free(struct ppp_ccp_t *ccp, struct ccp_option_t *opt)
+{
+	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
+
+	_free(mppe_opt);
+}
+
+static int setup_mppe_key(int fd, int transmit, uint8_t *key)
+{
+	struct ppp_option_data data;
+	uint8_t buf[6 + 16];
+
+	memset(buf, 0, sizeof(buf));
+	buf[0] = CI_MPPE;
+	buf[1] = 6;
+	*(uint32_t*)(buf + 2) = htonl(MPPE_S | MPPE_H);
+	if (key)
+		memcpy(buf + 6, key, 16);
+
+	memset(&data, 0, sizeof(data));
+	data.ptr = buf;
+	data.length = sizeof(buf);
+	data.transmit = transmit;
+
+	if (ioctl(fd, PPPIOCSCOMPRESS, &data)) {
+		log_ppp_warn("mppe: MPPE requested but not supported by kernel\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int decrease_mtu(struct ppp_t *ppp)
+{
+	struct ifreq ifr;
+
+	strcpy(ifr.ifr_name, ppp->ifname);
+
+	if (ioctl(sock_fd, SIOCGIFMTU, &ifr)) {
+		log_ppp_error("mppe: failed to get MTU: %s\n", strerror(errno));
+		return -1;
+	}
+
+	ifr.ifr_mtu -= MPPE_PAD;
+
+	if (ioctl(sock_fd, SIOCSIFMTU, &ifr)) {
+		log_ppp_error("mppe: failed to set MTU: %s\n", strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+static int mppe_send_conf_req(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr)
+{
+	struct mppe_option_t *mppe_opt = container_of(opt,typeof(*mppe_opt),opt);
+	struct ccp_opt32_t *opt32 = (struct ccp_opt32_t*)ptr;
+
+	if (mppe_opt->mppe != -1)	{
+		opt32->hdr.id = CI_MPPE;
+		opt32->hdr.len = 6;
+		opt32->val = mppe_opt->mppe ? htonl(MPPE_S | MPPE_H) : 0;
+		
+		if (mppe_opt->mppe && setup_mppe_key(ccp->ppp->unit_fd, 0, mppe_opt->recv_key))
+			return 0;
+
+		return 6;
+	}
+	return 0;
+}
+
+static int mppe_recv_conf_req(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr)
+{
+	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
+	struct ccp_opt32_t *opt32 = (struct ccp_opt32_t *)ptr;
+
+	/*if (!ptr) {
+		if (mppe_opt->policy == 2)
+			return CCP_OPT_NAK;
+		return CCP_OPT_ACK;
+	}*/
+	
+	if (opt32->hdr.len != 6)
+		return CCP_OPT_REJ;
+
+	if (mppe_opt->policy == 2) {
+		if (ntohl(opt32->val) != (MPPE_S | MPPE_H))
+			return CCP_OPT_NAK;
+	} else if (mppe_opt->policy == 1) {
+		if (ntohl(opt32->val)  == (MPPE_S | MPPE_H))
+			mppe_opt->mppe = 1;
+		else if ((ntohl(opt32->val) & (MPPE_S | MPPE_H)) == (MPPE_S | MPPE_H)) {
+			mppe_opt->mppe = 1;
+			return CCP_OPT_NAK;
+		} else if (opt32->val) {
+			mppe_opt->mppe = 0;
+			return CCP_OPT_NAK;
+		} else
+			mppe_opt->mppe = 0;
+	} else
+		return CCP_OPT_REJ;
+	
+	if (mppe_opt->mppe) {
+		if (setup_mppe_key(ccp->ppp->unit_fd, 1, mppe_opt->send_key))
+			return CCP_OPT_REJ;
+
+		decrease_mtu(ccp->ppp);
+
+		log_ppp_debug(" (mppe enabled)");
+	}
+
+	return CCP_OPT_ACK;
+}
+
+static int mppe_recv_conf_rej(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr)
+{
+	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
+
+	if (mppe_opt->mppe != 2) {
+		mppe_opt->mppe = -1;
+		return 0;
+	}
+
+	return -1;
+}
+
+static int mppe_recv_conf_nak(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr)
+{
+	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
+	struct ccp_opt32_t *opt32 = (struct ccp_opt32_t *)ptr;
+
+	if (opt32->hdr.len != 6)
+		return -1;
+
+	if (mppe_opt->policy == 2) {
+		if (ntohl(opt32->val) == (MPPE_S | MPPE_H))
+			return -1;
+	} else if (mppe_opt->policy == 1) {
+		if ((ntohl(opt32->val) & (MPPE_S | MPPE_H)) == (MPPE_S | MPPE_H))
+			mppe_opt->mppe = 0;
+		else
+			mppe_opt->mppe = 1;
+	} else {
+		if (opt32->val == 0)
+			return -1;
+	}
+
+	return 0;
+}
+
+static void mppe_print(void (*print)(const char *fmt,...),struct ccp_option_t *opt, uint8_t *ptr)
+{
+	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
+	struct ccp_opt32_t *opt32 = (struct ccp_opt32_t *)ptr;
+	uint32_t bits;
+
+	if (ptr)
+		bits = ntohl(opt32->val);
+	else
+		if (mppe_opt->mppe)
+			bits = MPPE_S | MPPE_H;
+		else
+			bits = 0;
+
+	print("<mppe %sH %sM %sS %sL %sD %sC>",
+		bits & MPPE_H ? "+" : "-",
+		bits & MPPE_M ? "+" : "-",
+		bits & MPPE_S ? "+" : "-",
+		bits & MPPE_L ? "+" : "-",
+		bits & MPPE_D ? "+" : "-",
+		bits & MPPE_C ? "+" : "-" 
+	);
+}
+
+static void ev_mppe_keys(struct ev_mppe_keys_t *ev)
+{
+	struct mppe_option_t *mppe_opt = container_of(ccp_find_option(ev->ppp, &mppe_opt_hnd), typeof(*mppe_opt), opt);
+
+	if ((ev->type & 0x04) == 0) {
+		log_ppp_warn("mppe: 128-bit session keys not allowed, disabling mppe ...\n");
+		return;
+	}
+	
+	memcpy(mppe_opt->recv_key, ev->recv_key, 16);
+	memcpy(mppe_opt->send_key, ev->send_key, 16);
+	mppe_opt->policy = ev->policy;
+
+	if (ev->policy == 2)
+		mppe_opt->mppe = 1;
+}
+
+static void __init mppe_opt_init()
+{
+	ccp_option_register(&mppe_opt_hnd);
+	triton_event_register_handler(EV_MPPE_KEYS, (triton_event_func)ev_mppe_keys);
+}
+
diff --git a/accel-pppd/ppp/ipcp_opt_dns.c b/accel-pppd/ppp/ipcp_opt_dns.c
new file mode 100644
index 0000000..c177092
--- /dev/null
+++ b/accel-pppd/ppp/ipcp_opt_dns.c
@@ -0,0 +1,155 @@
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+
+#include "ppp.h"
+#include "ppp_ipcp.h"
+#include "log.h"
+#include "ipdb.h"
+
+#include "memdebug.h"
+
+static in_addr_t conf_dns1;
+static in_addr_t conf_dns2;
+
+static struct ipcp_option_t *dns1_init(struct ppp_ipcp_t *ipcp);
+static struct ipcp_option_t *dns2_init(struct ppp_ipcp_t *ipcp);
+static void dns_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt);
+static int dns_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+static int dns_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+static int dns_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+static void dns1_print(void (*print)(const char *fmt,...),struct ipcp_option_t*, uint8_t *ptr);
+static void dns2_print(void (*print)(const char *fmt,...),struct ipcp_option_t*, uint8_t *ptr);
+
+struct dns_option_t
+{
+	struct ipcp_option_t opt;
+	in_addr_t addr;
+};
+
+static struct ipcp_option_handler_t dns1_opt_hnd=
+{
+	.init=dns1_init,
+	.send_conf_req=dns_send_conf_req,
+	.send_conf_nak=dns_send_conf_nak,
+	.recv_conf_req=dns_recv_conf_req,
+	.free=dns_free,
+	.print=dns1_print,
+};
+static struct ipcp_option_handler_t dns2_opt_hnd=
+{
+	.init=dns2_init,
+	.send_conf_req=dns_send_conf_req,
+	.send_conf_nak=dns_send_conf_nak,
+	.recv_conf_req=dns_recv_conf_req,
+	.free=dns_free,
+	.print=dns2_print,
+};
+
+static struct ipcp_option_t *dns1_init(struct ppp_ipcp_t *ipcp)
+{
+	struct dns_option_t *dns_opt=_malloc(sizeof(*dns_opt));
+	memset(dns_opt,0,sizeof(*dns_opt));
+	dns_opt->opt.id=CI_DNS1;
+	dns_opt->opt.len=6;
+
+	return &dns_opt->opt;
+}
+
+static struct ipcp_option_t *dns2_init(struct ppp_ipcp_t *ipcp)
+{
+	struct dns_option_t *dns_opt=_malloc(sizeof(*dns_opt));
+	memset(dns_opt,0,sizeof(*dns_opt));
+	dns_opt->opt.id=CI_DNS2;
+	dns_opt->opt.len=6;
+
+	return &dns_opt->opt;
+}
+
+static void dns_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+
+	_free(dns_opt);
+}
+
+static int dns_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	return 0;
+}
+
+static int dns_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+	opt32->hdr.id=dns_opt->opt.id;
+	opt32->hdr.len=6;
+	opt32->val=dns_opt->addr;
+	return 6;
+}
+
+static int dns_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+
+	if (opt32->hdr.len != 6)
+		return IPCP_OPT_REJ;
+
+	if (!dns_opt->addr)
+	{
+		if (dns_opt->opt.id == CI_DNS1 && conf_dns1) dns_opt->addr=conf_dns1;
+		else if (dns_opt->opt.id == CI_DNS2 && conf_dns2) dns_opt->addr=conf_dns2;
+		
+		if (!dns_opt->addr)
+		{
+			dns_opt->addr=opt32->val;
+			return IPCP_OPT_ACK;
+		}
+	}
+
+	if (dns_opt->addr==opt32->val)
+		return IPCP_OPT_ACK;
+		
+	return IPCP_OPT_NAK;
+}
+
+static void dns1_print(void (*print)(const char *fmt,...),struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+	struct in_addr in;
+
+	if (ptr) in.s_addr=opt32->val;
+	else in.s_addr=dns_opt->addr;
+	
+	print("<dns1 %s>",inet_ntoa(in));
+}
+
+static void dns2_print(void (*print)(const char *fmt,...),struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+	struct in_addr in;
+
+	if (ptr) in.s_addr=opt32->val;
+	else in.s_addr=dns_opt->addr;
+	
+	print("<dns2 %s>",inet_ntoa(in));
+}
+
+static void __init dns_opt_init()
+{
+	char *opt;
+	
+	opt = conf_get_opt("dns", "dns1");
+	if (opt)
+		conf_dns1 = inet_addr(opt);
+	
+	opt = conf_get_opt("dns", "dns2");
+	if (opt)
+		conf_dns2 = inet_addr(opt);
+	
+	ipcp_option_register(&dns1_opt_hnd);
+	ipcp_option_register(&dns2_opt_hnd);
+}
diff --git a/accel-pppd/ppp/ipcp_opt_ipaddr.c b/accel-pppd/ppp/ipcp_opt_ipaddr.c
new file mode 100644
index 0000000..334f425
--- /dev/null
+++ b/accel-pppd/ppp/ipcp_opt_ipaddr.c
@@ -0,0 +1,227 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include "linux_ppp.h"
+
+#include "ppp.h"
+#include "ppp_ipcp.h"
+#include "log.h"
+#include "ipdb.h"
+#include "iprange.h"
+#include "events.h"
+
+#include "memdebug.h"
+
+static int conf_check_exists;
+
+static struct ipcp_option_t *ipaddr_init(struct ppp_ipcp_t *ipcp);
+static void ipaddr_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt);
+static int ipaddr_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+static int ipaddr_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+static int ipaddr_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+//static int ipaddr_recv_conf_ack(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+static void ipaddr_print(void (*print)(const char *fmt,...),struct ipcp_option_t*, uint8_t *ptr);
+
+struct ipaddr_option_t
+{
+	struct ipcp_option_t opt;
+	struct ipdb_item_t *ip;
+	int started:1;
+};
+
+static struct ipcp_option_handler_t ipaddr_opt_hnd=
+{
+	.init=ipaddr_init,
+	.send_conf_req=ipaddr_send_conf_req,
+	.send_conf_nak=ipaddr_send_conf_nak,
+	.recv_conf_req=ipaddr_recv_conf_req,
+	.free=ipaddr_free,
+	.print=ipaddr_print,
+};
+
+static struct ipcp_option_t *ipaddr_init(struct ppp_ipcp_t *ipcp)
+{
+	struct ipaddr_option_t *ipaddr_opt=_malloc(sizeof(*ipaddr_opt));
+	memset(ipaddr_opt,0,sizeof(*ipaddr_opt));
+	ipaddr_opt->opt.id=CI_ADDR;
+	ipaddr_opt->opt.len=6;
+
+	return &ipaddr_opt->opt;
+}
+
+static void ipaddr_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt)
+{
+	struct ipaddr_option_t *ipaddr_opt=container_of(opt,typeof(*ipaddr_opt),opt);
+
+	if (ipaddr_opt->ip)
+		ipdb_put(ipcp->ppp, ipaddr_opt->ip);
+
+	_free(ipaddr_opt);
+}
+
+static int check_exists(struct ppp_t *self_ppp, in_addr_t addr)
+{
+	struct ppp_t *ppp;
+	int r = 0;
+
+	pthread_rwlock_rdlock(&ppp_lock);
+	list_for_each_entry(ppp, &ppp_list, entry) {
+		if (!ppp->terminating && ppp->peer_ipaddr == addr && ppp != self_ppp) {
+			log_ppp_warn("ppp:ipcp: requested IP already assigned to %s\n", ppp->ifname);
+			r = 1;
+			break;
+		}
+	}
+	pthread_rwlock_unlock(&ppp_lock);
+
+	return r;
+}
+
+static int ipaddr_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct ipaddr_option_t *ipaddr_opt=container_of(opt,typeof(*ipaddr_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+	
+	if (!ipaddr_opt->ip) {
+		ipaddr_opt->ip = ipdb_get(ipcp->ppp);
+		if (!ipaddr_opt->ip) {
+			log_ppp_warn("ppp:ipcp: no free IP address\n");
+			return -1;
+		}
+	}
+	
+	if (iprange_tunnel_check(ipaddr_opt->ip->peer_addr)) {
+		log_ppp_warn("ppp:ipcp: to avoid kernel soft lockup requested IP cannot be assigned (%i.%i.%i.%i)\n",
+			ipaddr_opt->ip->peer_addr&0xff, 
+			(ipaddr_opt->ip->peer_addr >> 8)&0xff, 
+			(ipaddr_opt->ip->peer_addr >> 16)&0xff, 
+			(ipaddr_opt->ip->peer_addr >> 24)&0xff);
+		return -1;
+	}
+	
+	if (conf_check_exists && check_exists(ipcp->ppp, ipaddr_opt->ip->peer_addr))
+		return -1;
+	
+	opt32->hdr.id=CI_ADDR;
+	opt32->hdr.len=6;
+	opt32->val=ipaddr_opt->ip->addr;
+	return 6;
+}
+
+static int ipaddr_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct ipaddr_option_t *ipaddr_opt=container_of(opt,typeof(*ipaddr_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+	opt32->hdr.id=CI_ADDR;
+	opt32->hdr.len=6;
+	opt32->val=ipaddr_opt->ip->peer_addr;
+	return 6;
+}
+
+static int ipaddr_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct ipaddr_option_t *ipaddr_opt = container_of(opt,typeof(*ipaddr_opt), opt);
+	struct ipcp_opt32_t *opt32 = (struct ipcp_opt32_t*)ptr;
+	struct ifreq ifr;
+	struct sockaddr_in addr;
+	struct npioctl np;
+
+	if (opt32->hdr.len != 6)
+		return IPCP_OPT_REJ;
+
+	if (ipaddr_opt->ip->peer_addr == opt32->val)
+		goto ack;
+		
+	/*if (!ipaddr_opt->peer_addr) {
+		ipaddr_opt->peer_addr = opt32->val;
+		goto ack;
+	}*/
+	
+	return IPCP_OPT_NAK;
+
+ack:
+	if (ipaddr_opt->started)
+		return IPCP_OPT_ACK;
+	
+	ipaddr_opt->started = 1;
+
+	ipcp->ppp->ipaddr = ipaddr_opt->ip->addr;
+	ipcp->ppp->peer_ipaddr = ipaddr_opt->ip->peer_addr;
+
+	triton_event_fire(EV_PPP_ACCT_START, ipcp->ppp);
+	if (ipcp->ppp->stop_time)
+		return IPCP_OPT_ACK;
+
+	triton_event_fire(EV_PPP_PRE_UP, ipcp->ppp);
+	if (ipcp->ppp->stop_time)
+		return IPCP_OPT_ACK;
+
+	memset(&ifr, 0, sizeof(ifr));
+	memset(&addr, 0, sizeof(addr));
+
+	strcpy(ifr.ifr_name, ipcp->ppp->ifname);
+
+	addr.sin_family = AF_INET;
+  addr.sin_addr.s_addr = ipaddr_opt->ip->addr;
+	memcpy(&ifr.ifr_addr,&addr,sizeof(addr));
+
+	if (ioctl(sock_fd, SIOCSIFADDR, &ifr))
+		log_ppp_error("ipcp: failed to set PA address: %s\n", strerror(errno));
+	
+  addr.sin_addr.s_addr = ipaddr_opt->ip->peer_addr;
+	memcpy(&ifr.ifr_dstaddr,&addr,sizeof(addr));
+	
+	if (ioctl(sock_fd, SIOCSIFDSTADDR, &ifr))
+		log_ppp_error("ipcp: failed to set remote PA address: %s\n", strerror(errno));
+
+	if (ioctl(sock_fd, SIOCGIFFLAGS, &ifr))
+		log_ppp_error("ipcp: failed to get interface flags: %s\n", strerror(errno));
+
+	ifr.ifr_flags |= IFF_UP | IFF_POINTOPOINT;
+
+	if (ioctl(sock_fd, SIOCSIFFLAGS, &ifr))
+		log_ppp_error("ipcp: failed to set interface flags: %s\n", strerror(errno));
+
+	np.protocol = PPP_IP;
+	np.mode = NPMODE_PASS;
+
+	if (ioctl(ipcp->ppp->unit_fd, PPPIOCSNPMODE, &np))
+		log_ppp_error("ipcp: failed to set NP mode: %s\n", strerror(errno));
+
+	return IPCP_OPT_ACK;
+}
+
+static void ipaddr_print(void (*print)(const char *fmt,...),struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct ipaddr_option_t *ipaddr_opt=container_of(opt,typeof(*ipaddr_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+	struct in_addr in = { .s_addr = 0, };
+
+	if (ptr)
+		in.s_addr = opt32->val;
+	else if (ipaddr_opt->ip)
+		in.s_addr = ipaddr_opt->ip->addr;
+	
+	print("<addr %s>",inet_ntoa(in));
+}
+
+static void load_config(void)
+{
+	const char *opt;
+
+	opt = conf_get_opt("ppp", "check-ip");
+	if (opt && atoi(opt) > 0)
+		conf_check_exists = 1;
+}
+
+static void __init ipaddr_opt_init()
+{
+	ipcp_option_register(&ipaddr_opt_hnd);
+	load_config();
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+}
+
diff --git a/accel-pppd/ppp/lcp_opt_accomp.c b/accel-pppd/ppp/lcp_opt_accomp.c
new file mode 100644
index 0000000..241b0e0
--- /dev/null
+++ b/accel-pppd/ppp/lcp_opt_accomp.c
@@ -0,0 +1,106 @@
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+
+#include "ppp.h"
+#include "ppp_lcp.h"
+#include "log.h"
+
+#include "memdebug.h"
+
+static struct lcp_option_t *accomp_init(struct ppp_lcp_t *lcp);
+static void accomp_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt);
+static int accomp_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int accomp_send_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int accomp_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static void accomp_print(void (*print)(const char *fmt,...),struct lcp_option_t*, uint8_t *ptr);
+
+struct accomp_option_t
+{
+	struct lcp_option_t opt;
+	int accomp; // 0 - disabled, 1 - enabled, 2 - allow,disabled, 3 - allow,enabled
+	int require;
+};
+
+static struct lcp_option_handler_t accomp_opt_hnd=
+{
+	.init=accomp_init,
+	.send_conf_req=accomp_send_conf_req,
+	.send_conf_nak=accomp_send_conf_nak,
+	.recv_conf_req=accomp_recv_conf_req,
+	.free=accomp_free,
+	.print=accomp_print,
+};
+
+static struct lcp_option_t *accomp_init(struct ppp_lcp_t *lcp)
+{
+	struct accomp_option_t *accomp_opt=_malloc(sizeof(*accomp_opt));
+	memset(accomp_opt,0,sizeof(*accomp_opt));
+	accomp_opt->accomp=0;
+	accomp_opt->opt.id=CI_ACCOMP;
+	accomp_opt->opt.len=2;
+
+	return &accomp_opt->opt;
+}
+
+static void accomp_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt)
+{
+	struct accomp_option_t *accomp_opt=container_of(opt,typeof(*accomp_opt),opt);
+
+	_free(accomp_opt);
+}
+
+static int accomp_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct accomp_option_t *accomp_opt=container_of(opt,typeof(*accomp_opt),opt);
+	struct lcp_opt_hdr_t *opt0=(struct lcp_opt_hdr_t*)ptr;
+	if (accomp_opt->accomp==1 || accomp_opt->accomp==3)
+	{
+		opt0->id=CI_ACCOMP;
+		opt0->len=2;
+		return 2;
+	}
+	return 0;
+}
+
+static int accomp_send_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct accomp_option_t *accomp_opt=container_of(opt,typeof(*accomp_opt),opt);
+	struct lcp_opt_hdr_t *opt0=(struct lcp_opt_hdr_t*)ptr;
+	opt0->id=CI_ACCOMP;
+	opt0->len=2;
+	return 2;
+}
+
+static int accomp_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct accomp_option_t *accomp_opt=container_of(opt,typeof(*accomp_opt),opt);
+	struct lcp_opt_hdr_t *opt0=(struct lcp_opt_hdr_t*)ptr;
+
+	/*if (!ptr) {
+		if (accomp_opt->require)
+			return LCP_OPT_NAK;
+		accomp_opt->accomp=0;
+		return LCP_OPT_ACK;
+	}*/
+
+	if (opt0->len != 2)
+		return LCP_OPT_REJ;
+
+	if (accomp_opt->accomp>0)
+	{
+		accomp_opt->accomp=1;
+		return LCP_OPT_ACK;
+	}else return LCP_OPT_REJ;
+}
+
+static void accomp_print(void (*print)(const char *fmt,...),struct lcp_option_t *opt, uint8_t *ptr)
+{
+	print("<accomp>");
+}
+
+static void __init accomp_opt_init()
+{
+	lcp_option_register(&accomp_opt_hnd);
+}
+
diff --git a/accel-pppd/ppp/lcp_opt_magic.c b/accel-pppd/ppp/lcp_opt_magic.c
new file mode 100644
index 0000000..4a61ef9
--- /dev/null
+++ b/accel-pppd/ppp/lcp_opt_magic.c
@@ -0,0 +1,91 @@
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+
+#include "ppp.h"
+#include "ppp_lcp.h"
+#include "log.h"
+
+#include "memdebug.h"
+
+static struct lcp_option_t *magic_init(struct ppp_lcp_t *lcp);
+static void magic_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt);
+static int magic_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int magic_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static void magic_print(void (*print)(const char *fmt,...),struct lcp_option_t*, uint8_t *ptr);
+
+struct magic_option_t
+{
+	struct lcp_option_t opt;
+	int magic;
+};
+
+static struct lcp_option_handler_t magic_opt_hnd=
+{
+	.init=magic_init,
+	.send_conf_req=magic_send_conf_req,
+	.recv_conf_req=magic_recv_conf_req,
+	.free=magic_free,
+	.print=magic_print,
+};
+
+static struct lcp_option_t *magic_init(struct ppp_lcp_t *lcp)
+{
+	struct magic_option_t *magic_opt=_malloc(sizeof(*magic_opt));
+	memset(magic_opt,0,sizeof(*magic_opt));
+	magic_opt->magic=random();
+	magic_opt->opt.id=CI_MAGIC;
+	magic_opt->opt.len=6;
+
+	lcp->magic = magic_opt->magic;
+
+	return &magic_opt->opt;
+}
+
+static void magic_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt)
+{
+	struct magic_option_t *magic_opt=container_of(opt,typeof(*magic_opt),opt);
+
+	_free(magic_opt);
+}
+
+static int magic_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct magic_option_t *magic_opt=container_of(opt,typeof(*magic_opt),opt);
+	struct lcp_opt32_t *opt32=(struct lcp_opt32_t*)ptr;
+	opt32->hdr.id=CI_MAGIC;
+	opt32->hdr.len=6;
+	opt32->val=htonl(magic_opt->magic);
+	return 6;
+}
+
+static int magic_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct magic_option_t *magic_opt=container_of(opt,typeof(*magic_opt),opt);
+	struct lcp_opt32_t *opt32=(struct lcp_opt32_t*)ptr;
+
+	/*if (!ptr)
+		return LCP_OPT_NAK;*/
+	
+	if (opt32->hdr.len != 6)
+		return LCP_OPT_REJ;
+
+	if (magic_opt->magic==ntohl(opt32->val))
+	{
+		log_ppp_error("loop detected");
+		return -1;
+	}
+	return LCP_OPT_ACK;
+}
+
+static void magic_print(void (*print)(const char *fmt,...),struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct magic_option_t *magic_opt=container_of(opt,typeof(*magic_opt),opt);
+
+	print("<magic %04x>",magic_opt->magic);
+}
+
+static void __init magic_opt_init()
+{
+	lcp_option_register(&magic_opt_hnd);
+}
diff --git a/accel-pppd/ppp/lcp_opt_mru.c b/accel-pppd/ppp/lcp_opt_mru.c
new file mode 100644
index 0000000..78e06b5
--- /dev/null
+++ b/accel-pppd/ppp/lcp_opt_mru.c
@@ -0,0 +1,195 @@
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <sys/ioctl.h>
+#include "linux_ppp.h"
+
+#include "ppp.h"
+#include "ppp_lcp.h"
+#include "log.h"
+#include "events.h"
+
+#include "memdebug.h"
+
+static int conf_mtu;
+static int conf_mru;
+static int conf_min_mtu = 100;
+static int conf_max_mtu = 1500;
+
+static struct lcp_option_t *mru_init(struct ppp_lcp_t *lcp);
+static void mru_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt);
+static int mru_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int mru_send_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int mru_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int mru_recv_conf_ack(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int mru_recv_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static void mru_print(void (*print)(const char *fmt,...),struct lcp_option_t*, uint8_t *ptr);
+
+struct mru_option_t
+{
+	struct lcp_option_t opt;
+	int mru;
+	int mtu;
+	int naked:1;
+};
+
+static struct lcp_option_handler_t mru_opt_hnd=
+{
+	.init=mru_init,
+	.send_conf_req=mru_send_conf_req,
+	.send_conf_nak=mru_send_conf_nak,
+	.recv_conf_req=mru_recv_conf_req,
+	.recv_conf_ack=mru_recv_conf_ack,
+	.recv_conf_nak=mru_recv_conf_nak,
+	.free=mru_free,
+	.print=mru_print,
+};
+
+static struct lcp_option_t *mru_init(struct ppp_lcp_t *lcp)
+{
+	struct mru_option_t *mru_opt=_malloc(sizeof(*mru_opt));
+	memset(mru_opt, 0, sizeof(*mru_opt));
+	mru_opt->mru = (conf_mru && conf_mru <= lcp->ppp->ctrl->max_mtu) ? conf_mru : lcp->ppp->ctrl->max_mtu;
+	if (mru_opt->mru > conf_max_mtu)
+		mru_opt->mru = conf_max_mtu;
+	mru_opt->mtu = (conf_mtu && conf_mtu <= lcp->ppp->ctrl->max_mtu) ? conf_mtu : lcp->ppp->ctrl->max_mtu;
+	if (mru_opt->mtu > conf_max_mtu)
+		mru_opt->mtu = conf_max_mtu;
+	mru_opt->opt.id = CI_MRU;
+	mru_opt->opt.len = 4;
+
+	return &mru_opt->opt;
+}
+
+static void mru_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt)
+{
+	struct mru_option_t *mru_opt = container_of(opt, typeof(*mru_opt), opt);
+
+	_free(mru_opt);
+}
+
+static int mru_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct mru_option_t *mru_opt = container_of(opt,typeof(*mru_opt),opt);
+	struct lcp_opt16_t *opt16 = (struct lcp_opt16_t*)ptr;
+
+	if (mru_opt->naked)
+		return 0;
+
+	opt16->hdr.id = CI_MRU;
+	opt16->hdr.len = 4;
+	opt16->val = htons(mru_opt->mru);
+	return 4;
+}
+
+static int mru_send_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct mru_option_t *mru_opt = container_of(opt,typeof(*mru_opt),opt);
+	struct lcp_opt16_t *opt16 = (struct lcp_opt16_t*)ptr;
+	opt16->hdr.id = CI_MRU;
+	opt16->hdr.len = 4;
+	opt16->val = htons(mru_opt->mtu);
+	return 4;
+}
+
+static int mru_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct mru_option_t *mru_opt = container_of(opt,typeof(*mru_opt),opt);
+	struct lcp_opt16_t *opt16 = (struct lcp_opt16_t*)ptr;
+
+	/*if (!ptr)
+		return LCP_OPT_NAK;*/
+	
+	if (opt16->hdr.len != 4)
+		return LCP_OPT_REJ;
+
+	if (ntohs(opt16->val) < conf_min_mtu || ntohs(opt16->val) > lcp->ppp->ctrl->max_mtu || ntohs(opt16->val) > conf_max_mtu)
+		return LCP_OPT_NAK;
+
+	mru_opt->mtu = ntohs(opt16->val);
+	return LCP_OPT_ACK;
+}
+
+static int mru_recv_conf_ack(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct mru_option_t *mru_opt = container_of(opt,typeof(*mru_opt), opt);
+	struct ifreq ifr = {
+		.ifr_mtu = mru_opt->mtu,
+	};
+
+	strcpy(ifr.ifr_name, lcp->ppp->ifname);
+
+	if (ioctl(lcp->ppp->unit_fd, PPPIOCSMRU, &mru_opt->mru))
+		log_ppp_error("lcp:mru: failed to set MRU: %s\n", strerror(errno));
+
+	if (ioctl(sock_fd, SIOCSIFMTU, &ifr))
+		log_ppp_error("lcp:mru: failed to set MTU: %s\n", strerror(errno));
+	
+	return 0;
+}
+
+static int mru_recv_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct mru_option_t *mru_opt = container_of(opt,typeof(*mru_opt), opt);
+	mru_opt->naked = 1;
+	return 0;
+}
+
+static void mru_print(void (*print)(const char *fmt,...), struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct mru_option_t *mru_opt = container_of(opt, typeof(*mru_opt), opt);
+	struct lcp_opt16_t *opt16 = (struct lcp_opt16_t*)ptr;
+
+	if (ptr)
+		print("<mru %i>",ntohs(opt16->val));
+	else
+		print("<mru %i>",mru_opt->mru);
+}
+
+static void load_config(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("ppp", "mtu");
+	if (opt && atoi(opt) > 0)
+		conf_mtu = atoi(opt);
+
+	opt = conf_get_opt("ppp", "mru");
+	if (opt && atoi(opt) > 0)
+		conf_mru = atoi(opt);
+
+	opt = conf_get_opt("ppp", "min-mtu");
+	if (opt && atoi(opt) > 0)
+		conf_min_mtu = atoi(opt);
+	
+	opt = conf_get_opt("ppp", "max-mtu");
+	if (opt && atoi(opt) > 0)
+		conf_max_mtu = atoi(opt);
+	
+	if (conf_min_mtu > conf_mru) {
+		log_emerg("min-mtu cann't be greater then mtu/mru\n");
+		conf_min_mtu = conf_mru;
+	}
+
+	if (conf_min_mtu > 1500) {
+		log_emerg("min-mtu cann't be greater then 1500\n");
+		conf_min_mtu = 1500;
+	}
+
+	if (conf_mru > 1500 || conf_mtu > 1500) {
+		log_emerg("mtu/mru cann't be greater then 1500\n");
+		conf_mru = 1500;
+	}
+}
+
+static void __init mru_opt_init()
+{
+	load_config();
+	lcp_option_register(&mru_opt_hnd);
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+}
+
diff --git a/accel-pppd/ppp/lcp_opt_pcomp.c b/accel-pppd/ppp/lcp_opt_pcomp.c
new file mode 100644
index 0000000..1f8532b
--- /dev/null
+++ b/accel-pppd/ppp/lcp_opt_pcomp.c
@@ -0,0 +1,106 @@
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+
+#include "ppp.h"
+#include "ppp_lcp.h"
+#include "log.h"
+
+#include "memdebug.h"
+
+static struct lcp_option_t *pcomp_init(struct ppp_lcp_t *lcp);
+static void pcomp_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt);
+static int pcomp_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int pcomp_send_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int pcomp_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static void pcomp_print(void (*print)(const char *fmt,...),struct lcp_option_t*, uint8_t *ptr);
+
+struct pcomp_option_t
+{
+	struct lcp_option_t opt;
+	int pcomp; // 0 - disabled, 1 - enabled, 2 - allow,disabled, 3 - allow,enabled
+	int require;
+};
+
+static struct lcp_option_handler_t pcomp_opt_hnd=
+{
+	.init=pcomp_init,
+	.send_conf_req=pcomp_send_conf_req,
+	.send_conf_nak=pcomp_send_conf_nak,
+	.recv_conf_req=pcomp_recv_conf_req,
+	.free=pcomp_free,
+	.print=pcomp_print,
+};
+
+static struct lcp_option_t *pcomp_init(struct ppp_lcp_t *lcp)
+{
+	struct pcomp_option_t *pcomp_opt=_malloc(sizeof(*pcomp_opt));
+	memset(pcomp_opt,0,sizeof(*pcomp_opt));
+	pcomp_opt->pcomp=0;
+	pcomp_opt->opt.id=CI_PCOMP;
+	pcomp_opt->opt.len=2;
+
+	return &pcomp_opt->opt;
+}
+
+static void pcomp_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt)
+{
+	struct pcomp_option_t *pcomp_opt=container_of(opt,typeof(*pcomp_opt),opt);
+
+	_free(pcomp_opt);
+}
+
+static int pcomp_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct pcomp_option_t *pcomp_opt=container_of(opt,typeof(*pcomp_opt),opt);
+	struct lcp_opt_hdr_t *opt0=(struct lcp_opt_hdr_t*)ptr;
+	if (pcomp_opt->pcomp==1 || pcomp_opt->pcomp==3)
+	{
+		opt0->id=CI_PCOMP;
+		opt0->len=2;
+		return 2;
+	}
+	return 0;
+}
+
+static int pcomp_send_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct pcomp_option_t *pcomp_opt=container_of(opt,typeof(*pcomp_opt),opt);
+	struct lcp_opt_hdr_t *opt0=(struct lcp_opt_hdr_t*)ptr;
+	opt0->id=CI_PCOMP;
+	opt0->len=2;
+	return 2;
+}
+
+static int pcomp_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct pcomp_option_t *pcomp_opt=container_of(opt,typeof(*pcomp_opt),opt);
+	struct lcp_opt_hdr_t *opt0=(struct lcp_opt_hdr_t*)ptr;
+
+	/*if (!ptr) {
+		if (pcomp_opt->require)
+			return LCP_OPT_NAK;
+		pcomp_opt->pcomp=0;
+		return LCP_OPT_ACK;
+	}*/
+	
+	if (opt0->len != 2)
+		return LCP_OPT_REJ;
+
+	if (pcomp_opt->pcomp>0)
+	{
+		pcomp_opt->pcomp=1;
+		return LCP_OPT_ACK;
+	}else return LCP_OPT_REJ;
+}
+
+static void pcomp_print(void (*print)(const char *fmt,...),struct lcp_option_t *opt, uint8_t *ptr)
+{
+	print("<pcomp>");
+}
+
+static void __init pcomp_opt_init()
+{
+	lcp_option_register(&pcomp_opt_hnd);
+}
+
diff --git a/accel-pppd/ppp/ppp.c b/accel-pppd/ppp/ppp.c
new file mode 100644
index 0000000..f578e8e
--- /dev/null
+++ b/accel-pppd/ppp/ppp.c
@@ -0,0 +1,681 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <arpa/inet.h>
+#include <features.h>
+#include <signal.h>
+#include "linux_ppp.h"
+
+#include <openssl/md5.h>
+
+#include "triton.h"
+
+#include "events.h"
+#include "ppp.h"
+#include "ppp_fsm.h"
+#include "log.h"
+#include "spinlock.h"
+
+#include "memdebug.h"
+
+int __export conf_ppp_verbose;
+static int conf_sid_ucase;
+
+pthread_rwlock_t __export ppp_lock = PTHREAD_RWLOCK_INITIALIZER;
+__export LIST_HEAD(ppp_list);
+
+static LIST_HEAD(layers);
+int __export sock_fd;
+
+int __export ppp_shutdown;
+
+static unsigned long long seq;
+#if __WORDSIZE == 32
+static spinlock_t seq_lock;
+#endif
+
+
+struct ppp_stat_t ppp_stat;
+
+struct layer_node_t
+{
+	struct list_head entry;
+	int order;
+	struct list_head items;
+};
+
+static int ppp_chan_read(struct triton_md_handler_t*);
+static int ppp_unit_read(struct triton_md_handler_t*);
+static void init_layers(struct ppp_t *);
+static void _free_layers(struct ppp_t *);
+static void start_first_layer(struct ppp_t *);
+
+void __export ppp_init(struct ppp_t *ppp)
+{
+	memset(ppp,0,sizeof(*ppp));
+	INIT_LIST_HEAD(&ppp->layers);
+	INIT_LIST_HEAD(&ppp->chan_handlers);
+	INIT_LIST_HEAD(&ppp->unit_handlers);
+	INIT_LIST_HEAD(&ppp->pd_list);
+}
+
+static void _free_ppp(struct ppp_t *ppp)
+{
+	if (ppp->chan_buf)
+		free(ppp->chan_buf);
+	if (ppp->unit_buf)
+		_free(ppp->unit_buf);
+	if (ppp->username)
+		_free(ppp->username);
+}
+
+static void generate_sessionid(struct ppp_t *ppp)
+{
+	unsigned long long sid;
+
+#if __WORDSIZE == 32
+	spin_lock(&seq_lock);
+	sid = ++seq;
+	spin_unlock(&seq_lock);
+#else
+	sid = __sync_add_and_fetch(&seq, 1);
+#endif
+
+	if (conf_sid_ucase)
+		sprintf(ppp->sessionid, "%016llX", sid);
+	else
+		sprintf(ppp->sessionid, "%016llx", sid);
+}
+
+int __export establish_ppp(struct ppp_t *ppp)
+{
+	/* Open an instance of /dev/ppp and connect the channel to it */
+	if (ioctl(ppp->fd, PPPIOCGCHAN, &ppp->chan_idx) == -1) {
+		log_ppp_error("ioctl(PPPIOCGCHAN): %s\n", strerror(errno));
+		return -1;
+	}
+
+	ppp->chan_fd = open("/dev/ppp", O_RDWR);
+	if (ppp->chan_fd < 0) {
+		log_ppp_error("open(chan) /dev/ppp: %s\n", strerror(errno));
+		return -1;
+	}
+
+	if (ioctl(ppp->chan_fd, PPPIOCATTCHAN, &ppp->chan_idx) < 0) {
+		log_ppp_error("ioctl(PPPIOCATTCHAN): %s\n", strerror(errno));
+		goto exit_close_chan;
+	}
+
+	ppp->unit_fd = open("/dev/ppp", O_RDWR);
+	if (ppp->unit_fd < 0) {
+		log_ppp_error("open(unit) /dev/ppp: %s\n", strerror(errno));
+		goto exit_close_chan;
+	}
+
+	ppp->unit_idx = -1;
+	if (ioctl(ppp->unit_fd, PPPIOCNEWUNIT, &ppp->unit_idx) < 0) {
+		log_ppp_error("ioctl(PPPIOCNEWUNIT): %s\n", strerror(errno));
+		goto exit_close_unit;
+	}
+
+  if (ioctl(ppp->chan_fd, PPPIOCCONNECT, &ppp->unit_idx) < 0) {
+		log_ppp_error("ioctl(PPPIOCCONNECT): %s\n", strerror(errno));
+		goto exit_close_unit;
+	}
+
+	if (fcntl(ppp->chan_fd, F_SETFL, O_NONBLOCK)) {
+		log_ppp_error("ppp: cann't to set nonblocking mode: %s\n", strerror(errno));
+		goto exit_close_unit;
+	}
+	
+	if (fcntl(ppp->unit_fd, F_SETFL, O_NONBLOCK)) {
+		log_ppp_error("ppp: cann't to set nonblocking mode: %s\n", strerror(errno));
+		goto exit_close_unit;
+	}
+
+	ppp->start_time = time(NULL);
+	generate_sessionid(ppp);
+	sprintf(ppp->ifname, "ppp%i", ppp->unit_idx);
+
+	log_ppp_info1("connect: %s <--> %s(%s)\n", ppp->ifname, ppp->ctrl->name, ppp->chan_name);
+	
+	init_layers(ppp);
+
+	if (list_empty(&ppp->layers)) {
+		log_ppp_error("no layers to start\n");
+		goto exit_close_unit;
+	}
+
+	ppp->chan_buf = _malloc(PPP_MRU);
+	ppp->unit_buf = _malloc(PPP_MRU);
+
+	ppp->chan_hnd.fd = ppp->chan_fd;
+	ppp->chan_hnd.read = ppp_chan_read;
+	ppp->unit_hnd.fd = ppp->unit_fd;
+	ppp->unit_hnd.read = ppp_unit_read;
+	triton_md_register_handler(ppp->ctrl->ctx, &ppp->chan_hnd);
+	triton_md_register_handler(ppp->ctrl->ctx, &ppp->unit_hnd);
+	
+	triton_md_enable_handler(&ppp->chan_hnd, MD_MODE_READ);
+	triton_md_enable_handler(&ppp->unit_hnd, MD_MODE_READ);
+
+	ppp->state = PPP_STATE_STARTING;
+	__sync_add_and_fetch(&ppp_stat.starting, 1);
+
+	pthread_rwlock_wrlock(&ppp_lock);
+	list_add_tail(&ppp->entry, &ppp_list);
+	pthread_rwlock_unlock(&ppp_lock);
+
+	log_ppp_debug("ppp established\n");
+
+	triton_event_fire(EV_PPP_STARTING, ppp);
+	
+	start_first_layer(ppp);
+
+	return 0;
+
+exit_close_unit:
+	close(ppp->unit_fd);
+exit_close_chan:
+	close(ppp->chan_fd);
+
+	_free_ppp(ppp);
+
+	return -1;
+}
+
+static void destablish_ppp(struct ppp_t *ppp)
+{
+	pthread_rwlock_wrlock(&ppp_lock);
+	list_del(&ppp->entry);
+	pthread_rwlock_unlock(&ppp_lock);
+
+	switch (ppp->state) {
+		case PPP_STATE_ACTIVE:
+			__sync_sub_and_fetch(&ppp_stat.active, 1);
+			break;
+		case PPP_STATE_STARTING:
+			__sync_sub_and_fetch(&ppp_stat.starting, 1);
+			break;
+		case PPP_STATE_FINISHING:
+			__sync_sub_and_fetch(&ppp_stat.finishing, 1);
+			break;
+	}
+
+	triton_md_unregister_handler(&ppp->chan_hnd);
+	triton_md_unregister_handler(&ppp->unit_hnd);
+	
+	close(ppp->unit_fd);
+	close(ppp->chan_fd);
+	close(ppp->fd);
+
+	ppp->unit_fd = -1;
+	ppp->chan_fd = -1;
+	ppp->fd = -1;
+
+	_free(ppp->unit_buf);
+	_free(ppp->chan_buf);
+
+	_free_layers(ppp);
+	
+	ppp->terminated = 1;
+	
+	log_ppp_debug("ppp destablished\n");
+
+	triton_event_fire(EV_PPP_FINISHED, ppp);
+	ppp->ctrl->finished(ppp);
+
+	if (ppp->username) {
+		_free(ppp->username);
+		ppp->username = NULL;
+	}
+	
+	if (ppp_shutdown && !ppp_stat.starting && !ppp_stat.active && !ppp_stat.finishing)
+		kill(getpid(), SIGTERM);
+}
+
+/*void print_buf(uint8_t *buf, int size)
+{
+	int i;
+	for(i=0;i<size;i++)
+		printf("%x ",buf[i]);
+	printf("\n");
+}*/
+
+int __export ppp_chan_send(struct ppp_t *ppp, void *data, int size)
+{
+	int n;
+
+	//printf("ppp_chan_send: ");
+	//print_buf((uint8_t*)data,size);
+	
+	n = write(ppp->chan_fd,data,size);
+	if (n < size)
+		log_ppp_error("ppp_chan_send: short write %i, excpected %i\n", n, size);
+	return n;
+}
+
+int __export ppp_unit_send(struct ppp_t *ppp, void *data, int size)
+{
+	int n;
+
+	//printf("ppp_unit_send: ");
+	//print_buf((uint8_t*)data,size);
+	
+	n=write(ppp->unit_fd, data, size);
+	if (n < size)
+		log_ppp_error("ppp_unit_send: short write %i, excpected %i\n",n,size);
+	return n;
+}
+
+static int ppp_chan_read(struct triton_md_handler_t *h)
+{
+	struct ppp_t *ppp = container_of(h, typeof(*ppp), chan_hnd);
+	struct ppp_handler_t *ppp_h;
+	uint16_t proto;
+
+	while(1) {
+cont:
+		ppp->chan_buf_size = read(h->fd, ppp->chan_buf, PPP_MRU);
+		if (ppp->chan_buf_size < 0) {
+			if (errno == EAGAIN)
+				return 0;
+			log_ppp_error("ppp_chan_read: %s\n", strerror(errno));
+			return 0;
+		}
+
+		//printf("ppp_chan_read: ");
+		//print_buf(ppp->chan_buf,ppp->chan_buf_size);
+		if (ppp->chan_buf_size == 0) {
+			ppp_terminate(ppp, 1, TERM_NAS_ERROR);
+			return 1;
+		}
+
+		if (ppp->chan_buf_size < 2) {
+			log_ppp_error("ppp_chan_read: short read %i\n", ppp->chan_buf_size);
+			continue;
+		}
+
+		proto = ntohs(*(uint16_t*)ppp->chan_buf);
+		list_for_each_entry(ppp_h, &ppp->chan_handlers, entry) {
+			if (ppp_h->proto == proto) {
+				ppp_h->recv(ppp_h);
+				if (ppp->chan_fd == -1) {
+					ppp->ctrl->finished(ppp);
+					return 1;
+				}
+				goto cont;
+			}
+		}
+
+		lcp_send_proto_rej(ppp, proto);
+		//log_ppp_warn("ppp_chan_read: discarding unknown packet %x\n", proto);
+	}
+}
+
+static int ppp_unit_read(struct triton_md_handler_t *h)
+{
+	struct ppp_t *ppp = container_of(h, typeof(*ppp), unit_hnd);
+	struct ppp_handler_t *ppp_h;
+	uint16_t proto;
+
+	while (1) {
+cont:
+		ppp->unit_buf_size = read(h->fd, ppp->unit_buf, PPP_MRU);
+		if (ppp->unit_buf_size < 0) {
+			if (errno == EAGAIN)
+				return 0;
+			log_ppp_error("ppp_unit_read: %s\n",strerror(errno));
+			return 0;
+		}
+
+		md_check(ppp->unit_buf);
+		//printf("ppp_unit_read: ");
+		//print_buf(ppp->unit_buf,ppp->unit_buf_size);
+
+		if (ppp->unit_buf_size == 0) {
+			ppp_terminate(ppp, 1, TERM_NAS_ERROR);
+			return 1;
+		}
+
+		if (ppp->unit_buf_size < 2) {
+			log_ppp_error("ppp_unit_read: short read %i\n", ppp->unit_buf_size);
+			continue;
+		}
+
+		proto=ntohs(*(uint16_t*)ppp->unit_buf);
+		list_for_each_entry(ppp_h, &ppp->unit_handlers, entry) {
+			if (ppp_h->proto == proto) {
+				ppp_h->recv(ppp_h);
+				if (ppp->unit_fd == -1) {
+					ppp->ctrl->finished(ppp);
+					return 1;
+				}
+				goto cont;
+			}
+		}
+		lcp_send_proto_rej(ppp, proto);
+		//log_ppp_warn("ppp_unit_read: discarding unknown packet %x\n", proto);
+	}
+}
+
+void ppp_recv_proto_rej(struct ppp_t *ppp, uint16_t proto)
+{
+	struct ppp_handler_t *ppp_h;
+
+	list_for_each_entry(ppp_h, &ppp->chan_handlers, entry) {
+		if (ppp_h->proto == proto) {
+			if (ppp_h->recv_proto_rej)
+				ppp_h->recv_proto_rej(ppp_h);
+			return;
+		}
+	}
+	
+	list_for_each_entry(ppp_h, &ppp->unit_handlers, entry) {
+		if (ppp_h->proto == proto) {
+			if (ppp_h->recv_proto_rej)
+				ppp_h->recv_proto_rej(ppp_h);
+			return;
+		}
+	}
+}
+
+void __export ppp_layer_started(struct ppp_t *ppp, struct ppp_layer_data_t *d)
+{
+	struct layer_node_t *n = d->node;
+
+	if (d->started)
+		return;
+
+	d->started = 1;
+
+	list_for_each_entry(d, &n->items, entry)
+		if (!d->started) return;
+
+	if (n->entry.next == &ppp->layers) {
+		ppp->state = PPP_STATE_ACTIVE;
+		__sync_sub_and_fetch(&ppp_stat.starting, 1);
+		__sync_add_and_fetch(&ppp_stat.active, 1);
+		ppp->ctrl->started(ppp);
+		triton_event_fire(EV_PPP_STARTED, ppp);
+	} else {
+		n = list_entry(n->entry.next, typeof(*n), entry);
+		list_for_each_entry(d, &n->items, entry) {
+			d->starting = 1;
+			if (d->layer->start(d)) {
+				ppp_terminate(ppp, TERM_NAS_ERROR, 0);
+				return;
+			}
+		}
+	}
+}
+
+void __export ppp_layer_finished(struct ppp_t *ppp, struct ppp_layer_data_t *d)
+{
+	struct layer_node_t *n = d->node;
+
+	d->finished = 1;
+	d->starting = 0;
+
+	list_for_each_entry(n, &ppp->layers, entry) {
+		list_for_each_entry(d, &n->items, entry) {
+			if (d->starting && !d->finished)
+				return;
+		}
+	}
+
+	destablish_ppp(ppp);
+}
+
+void __export ppp_terminate(struct ppp_t *ppp, int cause, int hard)
+{
+	struct layer_node_t *n;
+	struct ppp_layer_data_t *d;
+	int s = 0;
+
+	if (ppp->terminated)
+		return;
+
+	if (!ppp->stop_time)
+		time(&ppp->stop_time);
+
+	if (!ppp->terminate_cause)
+		ppp->terminate_cause = cause;
+
+	if (ppp->terminating) {
+		if (hard)
+			destablish_ppp(ppp);
+		return;
+	}
+	
+	ppp->terminating = 1;
+	if (ppp->state == PPP_STATE_ACTIVE)
+		__sync_sub_and_fetch(&ppp_stat.active, 1);
+	else
+		__sync_sub_and_fetch(&ppp_stat.starting, 1);
+	__sync_add_and_fetch(&ppp_stat.finishing, 1);
+	ppp->state = PPP_STATE_FINISHING;
+
+	log_ppp_debug("ppp_terminate\n");
+
+	triton_event_fire(EV_PPP_FINISHING, ppp);
+
+	if (hard) {
+		destablish_ppp(ppp);
+		return;
+	}
+	
+	list_for_each_entry(n,&ppp->layers,entry) {
+		list_for_each_entry(d,&n->items,entry) {
+			if (d->starting) {
+				s = 1;
+				d->layer->finish(d);
+			}
+		}
+	}
+	if (s)
+		return;
+	destablish_ppp(ppp);
+}
+
+void __export ppp_register_chan_handler(struct ppp_t *ppp,struct ppp_handler_t *h)
+{
+	list_add_tail(&h->entry,&ppp->chan_handlers);
+}
+void __export ppp_register_unit_handler(struct ppp_t *ppp,struct ppp_handler_t *h)
+{
+	list_add_tail(&h->entry,&ppp->unit_handlers);
+}
+void __export ppp_unregister_handler(struct ppp_t *ppp,struct ppp_handler_t *h)
+{
+	list_del(&h->entry);
+}
+
+static int get_layer_order(const char *name)
+{
+	if (!strcmp(name,"lcp")) return 0;
+	if (!strcmp(name,"auth")) return 1;
+	if (!strcmp(name,"ccp")) return 2;
+	if (!strcmp(name,"ipcp")) return 2;
+	return -1;
+}
+
+int __export ppp_register_layer(const char *name, struct ppp_layer_t *layer)
+{
+	int order;
+	struct layer_node_t *n,*n1;
+
+	order = get_layer_order(name);
+
+	if (order < 0)
+		return order;
+
+	list_for_each_entry(n, &layers, entry) {
+		if (order > n->order)
+			continue;
+		if (order < n->order) {
+			n1 = _malloc(sizeof(*n1));
+			memset(n1, 0, sizeof(*n1));
+			n1->order = order;
+			INIT_LIST_HEAD(&n1->items);
+			list_add_tail(&n1->entry, &n->entry);
+			n = n1;
+		}
+		goto insert;
+	}
+	n1 = _malloc(sizeof(*n1));
+	memset(n1, 0, sizeof(*n1));
+	n1->order = order;
+	INIT_LIST_HEAD(&n1->items);
+	list_add_tail(&n1->entry, &layers);
+	n = n1;
+insert:
+	list_add_tail(&layer->entry, &n->items);
+
+	return 0;
+}
+void __export ppp_unregister_layer(struct ppp_layer_t *layer)
+{
+	list_del(&layer->entry);
+}
+
+static void init_layers(struct ppp_t *ppp)
+{
+	struct layer_node_t *n, *n1;
+	struct ppp_layer_t *l;
+	struct ppp_layer_data_t *d;
+
+	list_for_each_entry(n,&layers,entry) {
+		n1 = _malloc(sizeof(*n1));
+		memset(n1, 0, sizeof(*n1));
+		INIT_LIST_HEAD(&n1->items);
+		list_add_tail(&n1->entry, &ppp->layers);
+		list_for_each_entry(l, &n->items, entry) {
+			d = l->init(ppp);
+			d->layer = l;
+			d->started = 0;
+			d->node = n1;
+			list_add_tail(&d->entry, &n1->items);
+		}
+	}
+}
+
+static void _free_layers(struct ppp_t *ppp)
+{
+	struct layer_node_t *n;
+	struct ppp_layer_data_t *d;
+	
+	while (!list_empty(&ppp->layers)) {
+		n = list_entry(ppp->layers.next, typeof(*n), entry);
+		while (!list_empty(&n->items)) {
+			d = list_entry(n->items.next, typeof(*d), entry);
+			list_del(&d->entry);
+			d->layer->free(d);
+		}
+		list_del(&n->entry);
+		_free(n);
+	}
+}
+
+static void start_first_layer(struct ppp_t *ppp)
+{
+	struct layer_node_t *n;
+	struct ppp_layer_data_t *d;
+
+	n = list_entry(ppp->layers.next, typeof(*n), entry);
+	list_for_each_entry(d, &n->items, entry) {
+		d->starting = 1;
+		if (d->layer->start(d)) {
+			ppp_terminate(ppp, TERM_NAS_ERROR, 0);
+			return;
+		}
+	}
+}
+
+struct ppp_layer_data_t *ppp_find_layer_data(struct ppp_t *ppp, struct ppp_layer_t *layer)
+{
+	struct layer_node_t *n;
+	struct ppp_layer_data_t *d;
+
+	list_for_each_entry(n,&ppp->layers,entry) {
+		list_for_each_entry(d,&n->items,entry) {
+			if (d->layer == layer)
+				return d;
+		}
+	}
+	
+	return NULL;
+}
+
+void ppp_shutdown_soft(void)
+{
+	ppp_shutdown = 1;
+
+	if (!ppp_stat.starting && !ppp_stat.active && !ppp_stat.finishing)
+		kill(getpid(), SIGTERM);
+}
+
+static void save_seq(void)
+{
+	FILE *f;
+	char *opt = conf_get_opt("ppp", "seq-file");
+	if (!opt)
+		opt = "/var/run/accel-ppp/seq";
+
+	f = fopen(opt, "w");
+	if (f) {
+		fprintf(f, "%llu", seq);
+		fclose(f);
+	}
+}
+
+static void load_config(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("ppp", "verbose");
+	if (opt && atoi(opt) > 0)
+		conf_ppp_verbose = 1;
+
+	opt = conf_get_opt("ppp", "sid-case");
+	if (opt) {
+		if (!strcmp(opt, "upper"))
+			conf_sid_ucase = 1;
+		else if (strcmp(opt, "lower"))
+			log_emerg("ppp: sid-case: invalid format\n");
+	}
+}
+
+static void __init init(void)
+{
+	char *opt;
+	FILE *f;
+
+	sock_fd = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sock_fd < 0) {
+		perror("socket");
+		_exit(EXIT_FAILURE);
+	}
+
+	opt = conf_get_opt("ppp", "seq-file");
+	if (!opt)
+		opt = "/var/run/accel-ppp/seq";
+	
+	f = fopen(opt, "r");
+	if (f) {
+		fscanf(f, "%llu", &seq);
+		fclose(f);
+	} else
+		seq = (unsigned long long)random() * (unsigned long long)random();
+
+	load_config();
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+
+	atexit(save_seq);
+}
+
diff --git a/accel-pppd/ppp/ppp.h b/accel-pppd/ppp/ppp.h
new file mode 100644
index 0000000..c633135
--- /dev/null
+++ b/accel-pppd/ppp/ppp.h
@@ -0,0 +1,189 @@
+#ifndef PPP_H
+#define PPP_H
+
+#include <sys/types.h>
+#include <time.h>
+#include <netinet/in.h>
+#include <pthread.h>
+
+#include "triton.h"
+#include "list.h"
+
+/*
+ * Packet header = Code, id, length.
+ */
+#define PPP_HEADERLEN	4
+#define PPP_MTU 1500
+
+
+/*
+ * Protocol field values.
+ */
+#define PPP_IP		0x21	/* Internet Protocol */
+#define PPP_AT		0x29	/* AppleTalk Protocol */
+#define PPP_IPX		0x2b	/* IPX protocol */
+#define	PPP_VJC_COMP	0x2d	/* VJ compressed TCP */
+#define	PPP_VJC_UNCOMP	0x2f	/* VJ uncompressed TCP */
+#define PPP_IPV6	0x57	/* Internet Protocol Version 6 */
+#define PPP_COMP	0xfd	/* compressed packet */
+#define PPP_IPCP	0x8021	/* IP Control Protocol */
+#define PPP_ATCP	0x8029	/* AppleTalk Control Protocol */
+#define PPP_IPXCP	0x802b	/* IPX Control Protocol */
+#define PPP_IPV6CP	0x8057	/* IPv6 Control Protocol */
+#define PPP_CCP		0x80fd	/* Compression Control Protocol */
+#define PPP_ECP		0x8053	/* Encryption Control Protocol */
+#define PPP_LCP		0xc021	/* Link Control Protocol */
+#define PPP_PAP		0xc023	/* Password Authentication Protocol */
+#define PPP_LQR		0xc025	/* Link Quality Report protocol */
+#define PPP_CHAP	0xc223	/* Cryptographic Handshake Auth. Protocol */
+#define PPP_CBCP	0xc029	/* Callback Control Protocol */
+#define PPP_EAP		0xc227	/* Extensible Authentication Protocol */
+
+#define PPP_SESSIONID_LEN 16
+#define PPP_IFNAME_LEN 10
+
+#define PPP_STATE_STARTING  1
+#define PPP_STATE_ACTIVE    2
+#define PPP_STATE_FINISHING 3
+
+#define TERM_USER_REQUEST 1
+#define TERM_SESSION_TIMEOUT 2
+#define TERM_ADMIN_RESET 3
+#define TERM_USER_ERROR 4
+#define TERM_NAS_ERROR 5
+#define TERM_NAS_REQUEST 6
+#define TERM_NAS_REBOOT 7
+#define TERM_AUTH_ERROR 8
+
+
+struct ppp_t;
+
+struct ppp_ctrl_t
+{
+	struct triton_context_t *ctx;
+	const char *name;
+	int max_mtu;
+	char *calling_station_id;
+	char *called_station_id;
+	void (*started)(struct ppp_t*);
+	void (*finished)(struct ppp_t*);
+};
+
+struct ppp_pd_t
+{
+	struct list_head entry;
+	void *key;
+};
+
+struct ppp_t
+{
+	struct list_head entry;
+	struct triton_md_handler_t chan_hnd;
+	struct triton_md_handler_t unit_hnd;
+	int fd;
+	int chan_fd;
+	int unit_fd;
+
+	int chan_idx;
+	int unit_idx;
+
+	int state;
+	char *chan_name;
+	char ifname[PPP_IFNAME_LEN];
+	char sessionid[PPP_SESSIONID_LEN+1];
+	time_t start_time;
+	time_t stop_time;
+	char *username;
+	in_addr_t ipaddr;
+	in_addr_t peer_ipaddr;
+
+	struct ppp_ctrl_t *ctrl;
+
+	int terminating:1;
+	int terminated:1;
+	int terminate_cause;
+
+	void *chan_buf;
+	int chan_buf_size;
+	void *unit_buf;
+	int unit_buf_size;
+
+	struct list_head chan_handlers;
+	struct list_head unit_handlers;
+
+	struct list_head layers;
+	
+	struct ppp_lcp_t *lcp;
+
+	struct list_head pd_list;
+};
+
+struct ppp_layer_t;
+struct layer_node_t;
+struct ppp_layer_data_t
+{
+	struct list_head entry;
+	struct ppp_layer_t *layer;
+	struct layer_node_t *node;
+	int starting:1;
+	int started:1;
+	int finished:1;
+};
+
+struct ppp_layer_t
+{
+	struct list_head entry;
+	struct ppp_layer_data_t *(*init)(struct ppp_t *);
+	int (*start)(struct ppp_layer_data_t*);
+	void (*finish)(struct ppp_layer_data_t*);
+	void (*free)(struct ppp_layer_data_t *);
+};
+
+struct ppp_handler_t
+{
+	struct list_head entry;
+	int proto;
+	void (*recv)(struct ppp_handler_t*);
+	void (*recv_proto_rej)(struct ppp_handler_t *h);
+};
+
+struct ppp_stat_t
+{
+	unsigned int active;
+	unsigned int starting;
+	unsigned int finishing;
+};
+
+struct ppp_t *alloc_ppp(void);
+void ppp_init(struct ppp_t *ppp);
+int establish_ppp(struct ppp_t *ppp);
+int ppp_chan_send(struct ppp_t *ppp, void *data, int size);
+int ppp_unit_send(struct ppp_t *ppp, void *data, int size);
+void lcp_send_proto_rej(struct ppp_t *ppp, uint16_t proto);
+void ppp_recv_proto_rej(struct ppp_t *ppp, uint16_t proto);
+
+struct ppp_fsm_t* ppp_lcp_init(struct ppp_t *ppp);
+void ppp_layer_started(struct ppp_t *ppp,struct ppp_layer_data_t*);
+void ppp_layer_finished(struct ppp_t *ppp,struct ppp_layer_data_t*);
+void ppp_terminate(struct ppp_t *ppp, int hard, int cause);
+
+void ppp_register_chan_handler(struct ppp_t *, struct ppp_handler_t *);
+void ppp_register_unit_handler(struct ppp_t * ,struct ppp_handler_t *);
+void ppp_unregister_handler(struct ppp_t *, struct ppp_handler_t *);
+
+int ppp_register_layer(const char *name, struct ppp_layer_t *);
+void ppp_unregister_layer(struct ppp_layer_t *);
+struct ppp_layer_data_t *ppp_find_layer_data(struct ppp_t *, struct ppp_layer_t *);
+
+extern int ppp_shutdown;
+void ppp_shutdown_soft(void);
+
+extern int conf_ppp_verbose;
+
+extern pthread_rwlock_t ppp_lock;
+extern struct list_head ppp_list;
+
+extern struct ppp_stat_t ppp_stat;
+
+extern int sock_fd; // internet socket for ioctls
+#endif
diff --git a/accel-pppd/ppp/ppp_auth.c b/accel-pppd/ppp/ppp_auth.c
new file mode 100644
index 0000000..32413c6
--- /dev/null
+++ b/accel-pppd/ppp/ppp_auth.c
@@ -0,0 +1,346 @@
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+
+#include "ppp.h"
+#include "events.h"
+#include "ppp_lcp.h"
+#include "log.h"
+
+#include "ppp_auth.h"
+
+#include "memdebug.h"
+
+static LIST_HEAD(auth_handlers);
+static int extra_opt_len = 0;
+
+static struct lcp_option_t *auth_init(struct ppp_lcp_t *lcp);
+static void auth_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt);
+static int auth_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int auth_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int auth_recv_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int auth_recv_conf_rej(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int auth_recv_conf_ack(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static void auth_print(void (*print)(const char *fmt,...), struct lcp_option_t*, uint8_t *ptr);
+
+static struct ppp_layer_data_t *auth_layer_init(struct ppp_t*);
+static int auth_layer_start(struct ppp_layer_data_t *);
+static void auth_layer_finish(struct ppp_layer_data_t *);
+static void auth_layer_free(struct ppp_layer_data_t *);
+
+struct auth_option_t
+{
+	struct lcp_option_t opt;
+	struct list_head auth_list;
+	struct auth_data_t *auth;
+	struct auth_data_t *peer_auth;
+	int started:1;
+};
+
+struct auth_layer_data_t
+{
+	struct ppp_layer_data_t ld;
+	struct auth_option_t auth_opt;
+	struct ppp_t *ppp;
+};
+
+static struct lcp_option_handler_t auth_opt_hnd = 
+{
+	.init = auth_init,
+	.send_conf_req = auth_send_conf_req,
+	.send_conf_nak = auth_send_conf_req,
+	.recv_conf_req = auth_recv_conf_req,
+	.recv_conf_nak = auth_recv_conf_nak,
+	.recv_conf_rej = auth_recv_conf_rej,
+	.recv_conf_ack = auth_recv_conf_ack,
+	.free = auth_free,
+	.print = auth_print,
+};
+
+static struct ppp_layer_t auth_layer = 
+{
+	.init = auth_layer_init,
+	.start = auth_layer_start,
+	.finish = auth_layer_finish,
+	.free = auth_layer_free,
+};
+
+static struct lcp_option_t *auth_init(struct ppp_lcp_t *lcp)
+{
+	struct ppp_auth_handler_t *h;
+	struct auth_data_t *d;
+	struct auth_layer_data_t *ad;
+
+	ad = container_of(ppp_find_layer_data(lcp->ppp, &auth_layer), typeof(*ad), ld);
+
+	ad->auth_opt.opt.id = CI_AUTH;
+	ad->auth_opt.opt.len = 4 + extra_opt_len;
+
+	INIT_LIST_HEAD(&ad->auth_opt.auth_list);
+
+	list_for_each_entry(h, &auth_handlers, entry) {
+		d = h->init(lcp->ppp);
+		d->h = h;
+		list_add_tail(&d->entry, &ad->auth_opt.auth_list);
+	}
+
+	return &ad->auth_opt.opt;
+}
+
+static void auth_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt)
+{
+	struct auth_option_t *auth_opt = container_of(opt, typeof(*auth_opt), opt);
+	struct auth_data_t *d;
+
+	if (auth_opt->started && auth_opt->auth) {
+		auth_opt->auth->h->finish(lcp->ppp, auth_opt->auth);
+		auth_opt->started = 0;
+	}
+
+	while(!list_empty(&auth_opt->auth_list)) {
+		d = list_entry(auth_opt->auth_list.next, typeof(*d), entry);
+		list_del(&d->entry);
+		d->h->free(lcp->ppp, d);
+	}
+}
+
+static int auth_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct auth_option_t *auth_opt = container_of(opt, typeof(*auth_opt), opt);
+	struct lcp_opt16_t *opt16 = (struct lcp_opt16_t*)ptr;
+	struct auth_data_t *d;
+	int n;
+
+	if (list_empty(&auth_opt->auth_list))
+		return 0;
+
+	if (!auth_opt->auth || auth_opt->auth->state == LCP_OPT_NAK) {
+		list_for_each_entry(d, &auth_opt->auth_list, entry) {
+			if (d->state == LCP_OPT_NAK || d->state == LCP_OPT_REJ)
+				continue;
+			auth_opt->auth = d;
+			break;
+		}
+	}
+
+	opt16->hdr.id = CI_AUTH;
+	opt16->val = htons(auth_opt->auth->proto);
+	n = auth_opt->auth->h->send_conf_req(lcp->ppp, auth_opt->auth, (uint8_t*)(opt16 + 1));
+	opt16->hdr.len = 4 + n;
+
+	return 4 + n;
+}
+
+static int auth_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct auth_option_t *auth_opt = container_of(opt,typeof(*auth_opt),opt);
+	struct lcp_opt16_t *opt16 = (struct lcp_opt16_t*)ptr;
+	struct auth_data_t *d;
+	int r;
+
+	if (list_empty(&auth_opt->auth_list))
+		return LCP_OPT_REJ;
+		
+	if (!ptr)
+		return LCP_OPT_ACK;
+
+
+	list_for_each_entry(d, &auth_opt->auth_list, entry) {
+		if (d->proto == ntohs(opt16->val)) {
+			r = d->h->recv_conf_req(lcp->ppp, d, (uint8_t*)(opt16 + 1));
+			if (r == LCP_OPT_FAIL)
+				return LCP_OPT_FAIL;
+			if (r == LCP_OPT_REJ)
+				break;
+			auth_opt->peer_auth = d;
+			return r;
+		}
+	}
+		
+	list_for_each_entry(d, &auth_opt->auth_list, entry) {
+		if (d->state != LCP_OPT_NAK) {
+			auth_opt->peer_auth = d;
+			return LCP_OPT_NAK;
+		}
+	}
+
+	log_ppp_error("cann't negotiate authentication type\n");
+	return LCP_OPT_FAIL;
+}
+
+static int auth_recv_conf_ack(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct auth_option_t *auth_opt = container_of(opt, typeof(*auth_opt), opt);
+
+	auth_opt->peer_auth = NULL;
+
+	return 0;
+}
+
+static int auth_recv_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct auth_option_t *auth_opt = container_of(opt, typeof(*auth_opt), opt);
+	struct auth_data_t *d;
+
+	if (!auth_opt->auth) {
+		log_ppp_error("auth: unexcepcted configure-nak\n");
+		return -1;
+	}
+	auth_opt->auth->state = LCP_OPT_NAK;
+	if (auth_opt->peer_auth)
+		auth_opt->auth = auth_opt->peer_auth;
+	
+	list_for_each_entry(d, &auth_opt->auth_list, entry) {
+		if (d->state != LCP_OPT_NAK)
+			return 0;
+	}
+
+	log_ppp_error("cann't negotiate authentication type\n");
+	return -1;
+}
+
+static int auth_recv_conf_rej(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct auth_option_t *auth_opt = container_of(opt, typeof(*auth_opt), opt);
+	struct auth_data_t *d;
+
+	if (!auth_opt->auth) {
+		log_ppp_error("auth: unexcepcted configure-reject\n");
+		return -1;
+	}
+	
+	auth_opt->auth->state = LCP_OPT_NAK;
+	if (auth_opt->peer_auth)
+		auth_opt->auth = auth_opt->peer_auth;
+	
+	list_for_each_entry(d, &auth_opt->auth_list, entry) {
+		if (d->state != LCP_OPT_NAK)
+			return 0;
+	}
+
+	log_ppp_error("cann't negotiate authentication type\n");
+	return -1;
+}
+
+static void auth_print(void (*print)(const char *fmt,...), struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct auth_option_t *auth_opt = container_of(opt, typeof(*auth_opt), opt);
+	struct lcp_opt16_t *opt16 = (struct lcp_opt16_t*)ptr;
+	struct auth_data_t *d;
+
+	if (ptr) {
+		list_for_each_entry(d, &auth_opt->auth_list, entry) {
+			if (d->proto == ntohs(opt16->val) && (!d->h->check || d->h->check((uint8_t *)(opt16 + 1))))
+				goto print_d;
+		}
+
+		print("<auth %02x>", ntohs(opt16->val));
+		return;
+	} else if (auth_opt->auth)
+		d = auth_opt->auth;
+	else
+		return;
+
+print_d:
+	print("<auth %s>", d->h->name);
+}
+
+static struct ppp_layer_data_t *auth_layer_init(struct ppp_t *ppp)
+{
+	struct auth_layer_data_t *ad = _malloc(sizeof(*ad));
+
+	log_ppp_debug("auth_layer_init\n");
+	
+	memset(ad, 0, sizeof(*ad));
+
+	ad->ppp = ppp;
+
+	return &ad->ld;
+}
+
+static int auth_layer_start(struct ppp_layer_data_t *ld)
+{
+	struct auth_layer_data_t *ad = container_of(ld,typeof(*ad),ld);
+	
+	log_ppp_debug("auth_layer_start\n");
+		
+	if (ad->auth_opt.auth) {
+		ad->auth_opt.started = 1;
+		ad->auth_opt.auth->h->start(ad->ppp, ad->auth_opt.auth);
+	} else {
+		log_ppp_debug("auth_layer_started\n");
+		ppp_layer_started(ad->ppp, ld);
+	}
+	
+	return 0;
+}
+
+static void auth_layer_finish(struct ppp_layer_data_t *ld)
+{
+	struct auth_layer_data_t *ad = container_of(ld, typeof(*ad), ld);
+	
+	log_ppp_debug("auth_layer_finish\n");
+	
+	if (ad->auth_opt.auth)
+		ad->auth_opt.auth->h->finish(ad->ppp, ad->auth_opt.auth);
+	
+	ad->auth_opt.started = 0;
+
+	log_ppp_debug("auth_layer_finished\n");
+	ppp_layer_finished(ad->ppp, ld);
+}
+
+static void auth_layer_free(struct ppp_layer_data_t *ld)
+{
+	struct auth_layer_data_t *ad = container_of(ld, typeof(*ad), ld);
+
+	log_ppp_debug("auth_layer_free\n");
+
+	_free(ad);
+}
+
+void __export ppp_auth_successed(struct ppp_t *ppp, char *username)
+{
+	struct auth_layer_data_t *ad = container_of(ppp_find_layer_data(ppp, &auth_layer), typeof(*ad), ld);
+	log_ppp_debug("auth_layer_started\n");
+	ppp->username = username;
+	ppp_layer_started(ppp, &ad->ld);
+	log_ppp_info1("%s: authentication successed\n", username);
+	triton_event_fire(EV_PPP_AUTHORIZED, ppp);
+}
+
+void __export ppp_auth_failed(struct ppp_t *ppp, const char *username)
+{
+	if (username)
+		log_ppp_info1("%s: authentication failed\n", username);
+	else
+		log_ppp_info1("authentication failed\n");
+	ppp_terminate(ppp, TERM_AUTH_ERROR, 0);
+}
+
+int __export ppp_auth_register_handler(struct ppp_auth_handler_t *h)
+{
+	list_add_tail(&h->entry, &auth_handlers);
+	return 0;
+}
+
+int __export ppp_auth_restart(struct ppp_t *ppp)
+{
+	struct auth_layer_data_t *ad = container_of(ppp_find_layer_data(ppp, &auth_layer), typeof(*ad), ld);
+	log_ppp_debug("ppp_auth_restart\n");
+
+	if (!ad->auth_opt.auth->h->restart)
+		return -1;
+	
+	if (ad->auth_opt.auth->h->restart(ppp, ad->auth_opt.auth))
+		return -1;
+	
+	return 0;
+}
+
+static void __init ppp_auth_init()
+{
+	ppp_register_layer("auth", &auth_layer);
+	lcp_option_register(&auth_opt_hnd);
+}
+
diff --git a/accel-pppd/ppp/ppp_auth.h b/accel-pppd/ppp/ppp_auth.h
new file mode 100644
index 0000000..87cc742
--- /dev/null
+++ b/accel-pppd/ppp/ppp_auth.h
@@ -0,0 +1,37 @@
+#ifndef PPP_AUTH_H
+#define PPP_AUTH_H
+
+#include "list.h"
+
+struct ppp_auth_handler_t;
+
+struct auth_data_t
+{
+	struct list_head entry;
+	int proto;
+	int state; 
+	struct ppp_auth_handler_t *h;
+};
+
+struct ppp_auth_handler_t
+{
+	struct list_head entry;
+	const char *name;
+	struct auth_data_t* (*init)(struct ppp_t*);
+	int (*send_conf_req)(struct ppp_t*, struct auth_data_t*, uint8_t*);
+	int (*recv_conf_req)(struct ppp_t*, struct auth_data_t*, uint8_t*);
+	int (*start)(struct ppp_t*, struct auth_data_t*);
+	int (*finish)(struct ppp_t*, struct auth_data_t*);
+	void (*free)(struct ppp_t*,struct auth_data_t*);
+	int (*check)(uint8_t *);
+	int (*restart)(struct ppp_t*,struct auth_data_t*);
+};
+
+int ppp_auth_register_handler(struct ppp_auth_handler_t*);
+
+void ppp_auth_successed(struct ppp_t *ppp, char *username);
+void ppp_auth_failed(struct ppp_t *ppp, const char *username);
+int  ppp_auth_restart(struct ppp_t *ppp);
+
+#endif
+
diff --git a/accel-pppd/ppp/ppp_ccp.c b/accel-pppd/ppp/ppp_ccp.c
new file mode 100644
index 0000000..721dd9b
--- /dev/null
+++ b/accel-pppd/ppp/ppp_ccp.c
@@ -0,0 +1,759 @@
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include "linux_ppp.h"
+
+#include "triton.h"
+
+#include "log.h"
+#include "events.h"
+
+#include "ppp.h"
+#include "ppp_ccp.h"
+
+#include "memdebug.h"
+
+struct recv_opt_t
+{
+	struct list_head entry;
+	struct ccp_opt_hdr_t *hdr;
+	int len;
+	int state;
+	struct ccp_option_t *lopt;
+};
+
+static int conf_ccp = 1;
+
+static struct ppp_layer_t ccp_layer;
+static LIST_HEAD(option_handlers);
+
+static void ccp_layer_up(struct ppp_fsm_t*);
+static void ccp_layer_down(struct ppp_fsm_t*);
+static int send_conf_req(struct ppp_fsm_t*);
+static void send_conf_ack(struct ppp_fsm_t*);
+static void send_conf_nak(struct ppp_fsm_t*);
+static void send_conf_rej(struct ppp_fsm_t*);
+static void send_term_req(struct ppp_fsm_t *fsm);
+static void send_term_ack(struct ppp_fsm_t *fsm);
+static void ccp_recv(struct ppp_handler_t*);
+static void ccp_recv_proto_rej(struct ppp_handler_t*);
+
+static void ccp_options_init(struct ppp_ccp_t *ccp)
+{
+	struct ccp_option_t *lopt;
+	struct ccp_option_handler_t *h;
+
+	ccp->conf_req_len = sizeof(struct ccp_hdr_t);
+
+	list_for_each_entry(h, &option_handlers, entry) {
+		lopt = h->init(ccp);
+		if (lopt) {
+			lopt->h = h;
+			list_add_tail(&lopt->entry, &ccp->options);
+			ccp->conf_req_len += lopt->len;
+		}
+	}
+}
+
+static void ccp_options_free(struct ppp_ccp_t *ccp)
+{
+	struct ccp_option_t *lopt;
+
+	while (!list_empty(&ccp->options)) {
+		lopt = list_entry(ccp->options.next, typeof(*lopt), entry);
+		list_del(&lopt->entry);
+		lopt->h->free(ccp, lopt);
+	}
+}
+
+static int ccp_set_flags(int fd, int isopen, int isup)
+{
+	int flags;
+
+	if (ioctl(fd, PPPIOCGFLAGS, &flags)) {
+		log_ppp_error("ccp: failed to get flags: %s\n", strerror(errno));
+		return -1;
+	}
+	
+	flags &= ~(SC_CCP_OPEN | SC_CCP_UP);
+	flags |= (isopen ? SC_CCP_OPEN : 0) | (isup ? SC_CCP_UP : 0);
+
+	if (ioctl(fd, PPPIOCSFLAGS, &flags)) {
+		log_ppp_error("ccp: failed to set flags: %s\n", strerror(errno));
+		return -1;
+	}
+	
+	return 0;
+}
+
+static struct ppp_layer_data_t *ccp_layer_init(struct ppp_t *ppp)
+{
+	struct ppp_ccp_t *ccp = _malloc(sizeof(*ccp));
+	memset(ccp, 0, sizeof(*ccp));
+	
+	log_ppp_debug("ccp_layer_init\n");
+
+	ccp->ppp = ppp;
+	ccp->fsm.ppp = ppp;
+	
+	ccp->hnd.proto = PPP_CCP;
+	ccp->hnd.recv = ccp_recv;
+	ccp->hnd.recv_proto_rej = ccp_recv_proto_rej;
+	
+	ppp_register_unit_handler(ppp, &ccp->hnd);
+	
+	INIT_LIST_HEAD(&ccp->options);
+	ccp_options_init(ccp);
+
+	ccp->passive = 0;
+	
+	ccp->fsm.proto = PPP_CCP;
+	ppp_fsm_init(&ccp->fsm);
+
+	ccp->fsm.layer_up = ccp_layer_up;
+	ccp->fsm.layer_finished = ccp_layer_down;
+	ccp->fsm.send_conf_req = send_conf_req;
+	ccp->fsm.send_conf_ack = send_conf_ack;
+	ccp->fsm.send_conf_nak = send_conf_nak;
+	ccp->fsm.send_conf_rej = send_conf_rej;
+	ccp->fsm.send_term_req = send_term_req;
+	ccp->fsm.send_term_ack = send_term_ack;
+
+	INIT_LIST_HEAD(&ccp->ropt_list);
+
+	return &ccp->ld;
+}
+
+int ccp_layer_start(struct ppp_layer_data_t *ld)
+{
+	struct ppp_ccp_t *ccp = container_of(ld, typeof(*ccp), ld);
+	
+	log_ppp_debug("ccp_layer_start\n");
+
+	if (list_empty(&ccp->options) || !conf_ccp) {
+		ppp_layer_started(ccp->ppp, &ccp->ld);
+		return 0;
+	}
+	
+	ppp_fsm_lower_up(&ccp->fsm);
+	if (ppp_fsm_open(&ccp->fsm))
+		return -1;
+	
+	if (ccp_set_flags(ccp->ppp->unit_fd, 1, 0)) {
+		ppp_fsm_close(&ccp->fsm);
+		return -1;
+	}
+	
+	return 0;
+}
+
+void ccp_layer_finish(struct ppp_layer_data_t *ld)
+{
+	struct ppp_ccp_t *ccp = container_of(ld, typeof(*ccp), ld);
+	
+	log_ppp_debug("ccp_layer_finish\n");
+	
+	ccp_set_flags(ccp->ppp->unit_fd, 0, 0);
+
+	ccp->fsm.fsm_state = FSM_Closed;
+	
+	log_ppp_debug("ccp_layer_finished\n");
+	ppp_layer_finished(ccp->ppp, &ccp->ld);
+}
+
+void ccp_layer_free(struct ppp_layer_data_t *ld)
+{
+	struct ppp_ccp_t *ccp = container_of(ld, typeof(*ccp), ld);
+	
+	log_ppp_debug("ccp_layer_free\n");
+		
+	ppp_unregister_handler(ccp->ppp, &ccp->hnd);
+	ccp_options_free(ccp);
+	ppp_fsm_free(&ccp->fsm);
+
+	_free(ccp);
+}
+
+static void ccp_layer_up(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
+
+	log_ppp_debug("ccp_layer_started\n");
+
+	if (!ccp->started) {
+		ccp->started = 1;
+		if (ccp_set_flags(ccp->ppp->unit_fd, 1, 1)) {
+			ppp_terminate(ccp->ppp, TERM_NAS_ERROR, 0);
+			return;
+		}
+		ppp_layer_started(ccp->ppp, &ccp->ld);
+	}
+}
+
+static void ccp_layer_down(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
+
+	log_ppp_debug("ccp_layer_finished\n");
+
+	if (!ccp->started)
+		ppp_layer_started(ccp->ppp, &ccp->ld);
+	ccp->started = 0;
+	ppp_layer_finished(ccp->ppp, &ccp->ld);
+}
+
+static void print_ropt(struct recv_opt_t *ropt)
+{
+	int i;
+	uint8_t *ptr = (uint8_t*)ropt->hdr;
+
+	log_ppp_info2("<");
+	for (i = 0; i < ropt->len; i++) {
+		log_ppp_info2(" %x", ptr[i]);
+	}
+	log_ppp_info2(" >");
+}
+
+static int send_conf_req(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
+	uint8_t *buf, *ptr;
+	struct ccp_hdr_t *ccp_hdr;
+	struct ccp_option_t *lopt;
+	int n;
+
+	ccp->need_req = 0;
+
+	if (ccp->passive) {
+		ccp->passive--;
+		return 0;
+	}
+
+	buf = _malloc(ccp->conf_req_len);
+	ccp_hdr = (struct ccp_hdr_t*)buf;
+
+	ccp_hdr->proto = htons(PPP_CCP);
+	ccp_hdr->code = CONFREQ;
+	ccp_hdr->id = ++ccp->fsm.id;
+	ccp_hdr->len = 0;
+	
+	ptr = (uint8_t*)(ccp_hdr + 1);
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [CCP ConfReq id=%x", ccp_hdr->id);
+	
+	list_for_each_entry(lopt, &ccp->options, entry) {
+		n = lopt->h->send_conf_req(ccp, lopt, ptr);
+		if (n < 0)
+			return -1;
+		if (n) {
+			if (conf_ppp_verbose) {
+				log_ppp_info2(" ");
+				lopt->h->print(log_ppp_info2, lopt, NULL);
+			}
+		}
+		ptr += n;
+	}
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+	
+	ccp_hdr->len = htons(ptr - buf - 2);
+	ppp_unit_send(ccp->ppp, ccp_hdr, ptr - buf);
+
+	_free(buf);
+
+	return 0;
+}
+
+static void send_conf_ack(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
+	struct ccp_hdr_t *hdr = (struct ccp_hdr_t*)ccp->ppp->unit_buf;
+
+	hdr->code = CONFACK;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [CCP ConfAck id=%x]\n", ccp->fsm.recv_id);
+
+	ppp_unit_send(ccp->ppp,hdr,ntohs(hdr->len)+2);
+}
+
+static void send_conf_nak(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
+	uint8_t *buf = _malloc(ccp->conf_req_len), *ptr = buf;
+	struct ccp_hdr_t *ccp_hdr = (struct ccp_hdr_t*)ptr;
+	struct recv_opt_t *ropt;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [CCP ConfNak id=%x", ccp->fsm.recv_id);
+
+	ccp_hdr->proto = htons(PPP_CCP);
+	ccp_hdr->code = CONFNAK;
+	ccp_hdr->id = ccp->fsm.recv_id;
+	ccp_hdr->len = 0;
+	
+	ptr += sizeof(*ccp_hdr);
+
+	list_for_each_entry(ropt, &ccp->ropt_list, entry) {
+		if (ropt->state == CCP_OPT_NAK) {
+			if (conf_ppp_verbose) {
+				log_ppp_info2(" ");
+				ropt->lopt->h->print(log_ppp_info2, ropt->lopt, NULL);
+			}
+			ptr += ropt->lopt->h->send_conf_nak(ccp, ropt->lopt, ptr);
+		}
+	}
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	ccp_hdr->len = htons(ptr - buf - 2);
+	ppp_unit_send(ccp->ppp, ccp_hdr, ptr - buf);
+
+	_free(buf);
+}
+
+static void send_conf_rej(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
+	uint8_t *buf = _malloc(ccp->ropt_len + sizeof(struct ccp_hdr_t)), *ptr = buf;
+	struct ccp_hdr_t *ccp_hdr = (struct ccp_hdr_t*)ptr;
+	struct recv_opt_t *ropt;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [CCP ConfRej id=%x", ccp->fsm.recv_id);
+
+	ccp_hdr->proto = htons(PPP_CCP);
+	ccp_hdr->code = CONFREJ;
+	ccp_hdr->id = ccp->fsm.recv_id;
+	ccp_hdr->len = 0;
+
+	ptr += sizeof(*ccp_hdr);
+
+	list_for_each_entry(ropt, &ccp->ropt_list, entry) {
+		if (ropt->state == CCP_OPT_REJ) {
+			if (conf_ppp_verbose) {
+				log_ppp_info2(" ");
+				if (ropt->lopt)
+					ropt->lopt->h->print(log_ppp_info2, ropt->lopt, (uint8_t*)ropt->hdr);
+				else
+					print_ropt(ropt);
+			}
+			memcpy(ptr, ropt->hdr, ropt->len);
+			ptr += ropt->len;
+		}
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	ccp_hdr->len = htons(ptr - buf - 2);
+	ppp_unit_send(ccp->ppp, ccp_hdr, ptr-buf);
+
+	_free(buf);
+}
+
+static int ccp_recv_conf_req(struct ppp_ccp_t *ccp, uint8_t *data, int size)
+{
+	struct ccp_opt_hdr_t *hdr;
+	struct recv_opt_t *ropt;
+	struct ccp_option_t *lopt;
+	int r, ret = 1, ack = 0;
+
+	ccp->need_req = 0;
+	ccp->ropt_len = size;
+
+	while (size > 0) {
+		hdr = (struct ccp_opt_hdr_t *)data;
+
+		ropt = _malloc(sizeof(*ropt));
+		memset(ropt, 0, sizeof(*ropt));
+
+		if (hdr->len > size)
+			ropt->len = size;
+		else
+			ropt->len = hdr->len;
+			
+		ropt->hdr = hdr;
+		ropt->state = CCP_OPT_NONE;
+		list_add_tail(&ropt->entry, &ccp->ropt_list);
+
+		data += ropt->len;
+		size -= ropt->len;
+	}
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [CCP ConfReq id=%x", ccp->fsm.recv_id);
+
+	list_for_each_entry(ropt, &ccp->ropt_list, entry) {
+		list_for_each_entry(lopt, &ccp->options, entry) {
+			if (lopt->id == ropt->hdr->id) {
+				if (conf_ppp_verbose) {
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2, lopt, (uint8_t*)ropt->hdr);
+				}
+				r = lopt->h->recv_conf_req(ccp, lopt, (uint8_t*)ropt->hdr);
+				if (ack) {
+					lopt->state = CCP_OPT_REJ;
+					ropt->state = CCP_OPT_REJ;
+				} else	{
+					/*if (lopt->state == CCP_OPT_NAK && r == CCP_OPT_ACK)
+						ccp->need_req = 1;*/
+					lopt->state = r;
+					ropt->state = r;
+				}
+				ropt->lopt = lopt;
+				if (r < ret)
+					ret = r;
+				break;
+			}
+		}
+		if (ropt->state == CCP_OPT_ACK || ropt->state == CCP_OPT_NAK)
+			ack = 1;
+		else if (!ropt->lopt) {
+			if (conf_ppp_verbose) {
+				log_ppp_info2(" ");
+				print_ropt(ropt);
+			}
+			ropt->state = CCP_OPT_REJ;
+			ret = CCP_OPT_REJ;
+		}
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	/*list_for_each_entry(lopt,&ccp->options,entry)
+	{
+		if (lopt->state==CCP_OPT_NONE)
+		{
+			r=lopt->h->recv_conf_req(ccp,lopt,NULL);
+			lopt->state=r;
+			if (r<ret) ret=r;
+		}
+	}*/
+
+	return ret;
+}
+
+static void ccp_free_conf_req(struct ppp_ccp_t *ccp)
+{
+	struct recv_opt_t *ropt;
+
+	while (!list_empty(&ccp->ropt_list)) {
+		ropt = list_entry(ccp->ropt_list.next, typeof(*ropt), entry);
+		list_del(&ropt->entry);
+		_free(ropt);
+	}
+}
+
+static int ccp_recv_conf_rej(struct ppp_ccp_t *ccp, uint8_t *data, int size)
+{
+	struct ccp_opt_hdr_t *hdr;
+	struct ccp_option_t *lopt;
+	int res = 0;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [CCP ConfRej id=%x", ccp->fsm.recv_id);
+
+	if (ccp->fsm.recv_id != ccp->fsm.id) {
+		if (conf_ppp_verbose)
+			log_ppp_info2(": id mismatch ]\n");
+		return 0;
+	}
+
+	while (size > 0) {
+		hdr = (struct ccp_opt_hdr_t *)data;
+		
+		list_for_each_entry(lopt, &ccp->options, entry) {
+			if (lopt->id == hdr->id) {
+				if (!lopt->h->recv_conf_rej)
+					res = -1;
+				else if (lopt->h->recv_conf_rej(ccp, lopt, data))
+					res = -1;
+				break;
+			}
+		}
+
+		data += hdr->len;
+		size -= hdr->len;
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	return res;
+}
+
+static int ccp_recv_conf_nak(struct ppp_ccp_t *ccp, uint8_t *data, int size)
+{
+	struct ccp_opt_hdr_t *hdr;
+	struct ccp_option_t *lopt;
+	int res = 0;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [CCP ConfNak id=%x", ccp->fsm.recv_id);
+
+	if (ccp->fsm.recv_id != ccp->fsm.id) {
+		if (conf_ppp_verbose)
+			log_ppp_info2(": id mismatch ]\n");
+		return 0;
+	}
+
+	while (size > 0) {
+		hdr = (struct ccp_opt_hdr_t *)data;
+		
+		list_for_each_entry(lopt, &ccp->options, entry) {
+			if (lopt->id == hdr->id) {
+				if (conf_ppp_verbose) {
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2, lopt, data);
+				}
+				if (lopt->h->recv_conf_nak && lopt->h->recv_conf_nak(ccp, lopt, data))
+					res = -1;
+				//lopt->state = CCP_OPT_NAK;
+				//ccp->need_req = 1;
+				break;
+			}
+		}
+
+		data += hdr->len;
+		size -= hdr->len;
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	return res;
+}
+
+static int ccp_recv_conf_ack(struct ppp_ccp_t *ccp, uint8_t *data, int size)
+{
+	struct ccp_opt_hdr_t *hdr;
+	struct ccp_option_t *lopt;
+	int res = 0;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [CCP ConfAck id=%x", ccp->fsm.recv_id);
+
+	if (ccp->fsm.recv_id != ccp->fsm.id) {
+		if (conf_ppp_verbose)
+			log_ppp_info2(": id mismatch ]\n");
+		return 0;
+	}
+
+	while (size > 0) {
+		hdr = (struct ccp_opt_hdr_t *)data;
+		
+		list_for_each_entry(lopt, &ccp->options, entry) {
+			if (lopt->id == hdr->id) {
+				if (conf_ppp_verbose) {
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2,lopt,data);
+				}
+				if (!lopt->h->recv_conf_ack)
+					break;
+				if (lopt->h->recv_conf_ack(ccp, lopt, data))
+					res = -1;
+				break;
+			}
+		}
+
+		data += hdr->len;
+		size -= hdr->len;
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	return res;
+}
+
+static void send_term_req(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
+	struct ccp_hdr_t hdr = {
+		.proto = htons(PPP_CCP),
+		.code = TERMREQ,
+		.id = ++ccp->fsm.id,
+		.len = htons(4),
+	};
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [CCP TermReq id=%i]\n", hdr.id);
+
+	ppp_chan_send(ccp->ppp, &hdr, 6);
+}
+
+static void send_term_ack(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
+	struct ccp_hdr_t hdr = {
+		.proto = htons(PPP_CCP),
+		.code = TERMACK,
+		.id = ccp->fsm.recv_id,
+		.len = htons(4),
+	};
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [CCP TermAck id=%i]\n", hdr.id);
+	
+	ppp_chan_send(ccp->ppp, &hdr, 6);
+}
+
+static void ccp_recv(struct ppp_handler_t*h)
+{
+	struct ccp_hdr_t *hdr;
+	struct ppp_ccp_t *ccp = container_of(h, typeof(*ccp), hnd);
+	int r;
+
+	if (ccp->fsm.fsm_state == FSM_Initial || ccp->fsm.fsm_state == FSM_Closed || ccp->ppp->terminating) {
+		if (conf_ppp_verbose)
+			log_ppp_warn("CCP: discarding packet\n");
+		if (ccp->fsm.fsm_state == FSM_Closed || !conf_ccp)
+			lcp_send_proto_rej(ccp->ppp, PPP_CCP);
+		return;
+	}
+
+	if (ccp->ppp->unit_buf_size < PPP_HEADERLEN + 2) {
+		log_ppp_warn("CCP: short packet received\n");
+		return;
+	}
+
+	hdr = (struct ccp_hdr_t *)ccp->ppp->unit_buf;
+	if (ntohs(hdr->len) < PPP_HEADERLEN) {
+		log_ppp_warn("CCP: short packet received\n");
+		return;
+	}
+
+	ccp->fsm.recv_id = hdr->id;
+	switch(hdr->code) {
+		case CONFREQ:
+			r = ccp_recv_conf_req(ccp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
+			switch(r) {
+				case CCP_OPT_ACK:
+					ppp_fsm_recv_conf_req_ack(&ccp->fsm);
+					break;
+				case CCP_OPT_NAK:
+					ppp_fsm_recv_conf_req_nak(&ccp->fsm);
+					break;
+				case CCP_OPT_REJ:
+					ppp_fsm_recv_conf_req_rej(&ccp->fsm);
+					break;
+			}
+			ccp_free_conf_req(ccp);
+			
+			if (r == CCP_OPT_ACK && ccp->passive) {
+				ccp->passive = 0;
+				send_conf_req(&ccp->fsm);
+			}
+			if (r == CCP_OPT_FAIL)
+				ppp_terminate(ccp->ppp, TERM_USER_ERROR, 0);
+			break;
+		case CONFACK:
+			if (ccp_recv_conf_ack(ccp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN))
+				ppp_terminate(ccp->ppp, TERM_USER_ERROR, 0);
+			else {
+				ppp_fsm_recv_conf_ack(&ccp->fsm);
+				if (ccp->need_req)
+					send_conf_req(&ccp->fsm);
+			}
+			break;
+		case CONFNAK:
+			ccp_recv_conf_nak(ccp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
+			ppp_fsm_recv_conf_rej(&ccp->fsm);
+			break;
+		case CONFREJ:
+			if (ccp_recv_conf_rej(ccp, (uint8_t*)(hdr + 1),ntohs(hdr->len) - PPP_HDRLEN))
+				ppp_terminate(ccp->ppp, TERM_USER_ERROR, 0);
+			else
+				ppp_fsm_recv_conf_rej(&ccp->fsm);
+			break;
+		case TERMREQ:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [CCP TermReq id=%x]\n", hdr->id);
+			ppp_fsm_recv_term_req(&ccp->fsm);
+			ppp_fsm_close(&ccp->fsm);
+			break;
+		case TERMACK:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [CCP TermAck id=%x]\n", hdr->id);
+			ppp_fsm_recv_term_ack(&ccp->fsm);
+			break;
+		case CODEREJ:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [CCP CodeRej id=%x]\n", hdr->id);
+			ppp_fsm_recv_code_rej_bad(&ccp->fsm);
+			break;
+		default:
+			ppp_fsm_recv_unk(&ccp->fsm);
+			break;
+	}
+}
+
+static void ccp_recv_proto_rej(struct ppp_handler_t *h)
+{
+	struct ppp_ccp_t *ccp = container_of(h, typeof(*ccp), hnd);
+
+	if (ccp->fsm.fsm_state == FSM_Initial || ccp->fsm.fsm_state == FSM_Closed)
+		return;
+	
+	ppp_fsm_lower_down(&ccp->fsm);
+	ppp_fsm_close(&ccp->fsm);
+}
+
+int ccp_option_register(struct ccp_option_handler_t *h)
+{
+	/*struct ccp_option_drv_t *p;
+
+	list_for_each_entry(p,option_drv_list,entry)
+		if (p->id==h->id) 
+			return -1;*/
+	
+	list_add_tail(&h->entry,&option_handlers);
+
+	return 0;
+}
+
+struct ccp_option_t *ccp_find_option(struct ppp_t *ppp, struct ccp_option_handler_t *h)
+{
+	struct ppp_ccp_t *ccp = container_of(ppp_find_layer_data(ppp, &ccp_layer), typeof(*ccp), ld);
+	struct ccp_option_t *opt;
+	
+	list_for_each_entry(opt, &ccp->options, entry)
+		if (opt->h == h)
+			return opt;
+	
+	log_emerg("ccp: BUG: option not found\n");
+	abort();
+}
+
+static struct ppp_layer_t ccp_layer=
+{
+	.init   = ccp_layer_init,
+	.start  = ccp_layer_start,
+	.finish = ccp_layer_finish,
+	.free   = ccp_layer_free,
+};
+
+static void load_config(void)
+{
+	const char *opt;
+
+	opt = conf_get_opt("ppp", "ccp");
+	if (opt && atoi(opt) >= 0)
+		conf_ccp = atoi(opt);
+}
+
+static void __init ccp_init(void)
+{
+	ppp_register_layer("ccp", &ccp_layer);
+
+	load_config();
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+}
+
diff --git a/accel-pppd/ppp/ppp_ccp.h b/accel-pppd/ppp/ppp_ccp.h
new file mode 100644
index 0000000..2c2dc6d
--- /dev/null
+++ b/accel-pppd/ppp/ppp_ccp.h
@@ -0,0 +1,96 @@
+#ifndef PPP_CCP_H
+#define PPP_CCP_H
+
+#include <stdint.h>
+
+#include "triton.h"
+#include "ppp_fsm.h"
+/*
+ * Options.
+ */
+
+#define CI_MPPE	18	  /* MPPE */
+
+struct ccp_hdr_t
+{
+	uint16_t proto;
+	uint8_t code;
+	uint8_t id;
+	uint16_t len;
+} __attribute__((packed));
+struct ccp_opt_hdr_t
+{
+	uint8_t id;
+	uint8_t len;
+} __attribute__((packed));
+struct ccp_opt8_t
+{
+	struct ccp_opt_hdr_t hdr;
+	uint8_t val;
+} __attribute__((packed));
+struct ccp_opt16_t
+{
+	struct ccp_opt_hdr_t hdr;
+	uint16_t val;
+} __attribute__((packed));
+struct ccp_opt32_t
+{
+	struct ccp_opt_hdr_t hdr;
+	uint32_t val;
+} __attribute__((packed));
+
+#define CCP_OPT_NONE  0
+#define CCP_OPT_ACK   1
+#define CCP_OPT_NAK  -1
+#define CCP_OPT_REJ  -2
+#define CCP_OPT_FAIL -3
+
+struct ppp_ccp_t;
+struct ccp_option_handler_t;
+
+struct ccp_option_t
+{
+	struct list_head entry;
+	int id;
+	int len;
+	int state;
+	struct ccp_option_handler_t *h;
+};
+
+struct ccp_option_handler_t
+{
+	struct list_head entry;
+	struct ccp_option_t* (*init)(struct ppp_ccp_t*);
+	int (*send_conf_req)(struct ppp_ccp_t*,struct ccp_option_t*,uint8_t*);
+	int (*send_conf_rej)(struct ppp_ccp_t*,struct ccp_option_t*,uint8_t*);
+	int (*send_conf_nak)(struct ppp_ccp_t*,struct ccp_option_t*,uint8_t*);
+	int (*recv_conf_req)(struct ppp_ccp_t*,struct ccp_option_t*,uint8_t*);
+	int (*recv_conf_rej)(struct ppp_ccp_t*,struct ccp_option_t*,uint8_t*);
+	int (*recv_conf_nak)(struct ppp_ccp_t*,struct ccp_option_t*,uint8_t*);
+	int (*recv_conf_ack)(struct ppp_ccp_t*,struct ccp_option_t*,uint8_t*);
+	void (*free)(struct ppp_ccp_t*,struct ccp_option_t*);
+	void (*print)(void (*print)(const char *fmt,...), struct ccp_option_t*,uint8_t*);
+};
+
+struct ppp_ccp_t
+{
+	struct ppp_layer_data_t ld;
+	struct ppp_handler_t hnd;
+	struct ppp_fsm_t fsm;
+	struct ppp_t *ppp;
+	struct list_head options;
+
+	struct list_head ropt_list; // last received ConfReq
+	int ropt_len;
+	
+	int conf_req_len;
+	int passive;
+	int started:1;
+	int need_req:1;
+};
+
+int ccp_option_register(struct ccp_option_handler_t *h);
+struct ccp_option_t *ccp_find_option(struct ppp_t *ppp, struct ccp_option_handler_t *h);
+
+#endif
+
diff --git a/accel-pppd/ppp/ppp_fsm.c b/accel-pppd/ppp/ppp_fsm.c
new file mode 100644
index 0000000..c6bc430
--- /dev/null
+++ b/accel-pppd/ppp/ppp_fsm.c
@@ -0,0 +1,544 @@
+#include <arpa/inet.h>
+#include <stdlib.h>
+
+#include "triton.h"
+
+#include "ppp.h"
+#include "ppp_fsm.h"
+#include "ppp_lcp.h"
+#include "log.h"
+#include "events.h"
+
+#include "memdebug.h"
+
+static int conf_max_terminate = 2;
+static int conf_max_configure = 10;
+static int conf_max_failure = 10;
+static int conf_timeout = 5;
+
+void send_term_req(struct ppp_fsm_t *layer);
+void send_term_ack(struct ppp_fsm_t *layer);
+void send_echo_reply(struct ppp_fsm_t *layer);
+
+static void init_req_counter(struct ppp_fsm_t *layer,int timeout);
+static void zero_req_counter(struct ppp_fsm_t *layer);
+static void restart_timer_func(struct triton_timer_t *t);
+static void stop_timer(struct ppp_fsm_t *fsm);
+
+void ppp_fsm_init(struct ppp_fsm_t *layer)
+{
+	layer->fsm_state = FSM_Initial;
+	layer->restart_timer.expire = restart_timer_func;
+	layer->restart_timer.period = conf_timeout * 1000;
+	layer->restart_counter = 0;
+
+	layer->max_terminate = conf_max_terminate;
+	layer->max_configure = conf_max_configure;
+	layer->max_failure = conf_max_failure;
+	layer->timeout = conf_timeout;
+}
+void ppp_fsm_free(struct ppp_fsm_t *layer)
+{
+	stop_timer(layer);
+}
+
+int ppp_fsm_lower_up(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Initial:
+			layer->fsm_state=FSM_Closed;
+			break;
+		case FSM_Starting:
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			init_req_counter(layer,layer->max_configure);
+			--layer->restart_counter;
+			if (layer->send_conf_req) 
+				if (layer->send_conf_req(layer))
+					return -1;
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		default:
+			break;
+	}
+	return 0;
+}
+
+void ppp_fsm_lower_down(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Closed:
+		case FSM_Closing:
+			layer->fsm_state=FSM_Initial;
+			break;
+		case FSM_Stopped:
+			if (layer->layer_started) layer->layer_started(layer);
+			layer->fsm_state=FSM_Starting;
+			break;
+		case FSM_Stopping:
+		case FSM_Req_Sent:
+		case FSM_Ack_Rcvd:
+		case FSM_Ack_Sent:
+			layer->fsm_state=FSM_Starting;
+			break;
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+			layer->fsm_state=FSM_Starting;
+			break;
+		default:
+			break;
+	}
+}
+
+int ppp_fsm_open(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Initial:
+			if (layer->layer_started) layer->layer_started(layer);
+			layer->fsm_state=FSM_Starting;
+			break;
+		case FSM_Starting:
+			break;
+		case FSM_Closed:
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			init_req_counter(layer,layer->max_configure);
+			--layer->restart_counter;
+			if (layer->send_conf_req)
+				if (layer->send_conf_req(layer))
+					return -1;
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		case FSM_Closing:
+		case FSM_Stopping:
+		case FSM_Stopped:
+		case FSM_Opened:
+			ppp_fsm_lower_down(layer);
+			ppp_fsm_lower_up(layer);
+			break;
+		default:
+			break;
+	}
+	return 0;
+}
+
+void ppp_fsm_close(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Starting:
+			stop_timer(layer);
+			layer->fsm_state=FSM_Initial;
+			if (layer->layer_finished) layer->layer_finished(layer);
+			break;
+		case FSM_Stopped:
+			layer->fsm_state=FSM_Closed;
+			stop_timer(layer);
+			break;
+		case FSM_Stopping:
+			layer->fsm_state=FSM_Closing;
+			break;
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+		case FSM_Req_Sent:
+		case FSM_Ack_Rcvd:
+		case FSM_Ack_Sent:
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			init_req_counter(layer,layer->max_terminate);
+			layer->send_term_req(layer);
+			layer->fsm_state=FSM_Closing;
+			break;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_timeout0(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Closing:
+		case FSM_Stopping:
+			--layer->restart_counter;
+			layer->send_term_req(layer);
+			break;
+		case FSM_Ack_Rcvd:
+			layer->fsm_state=FSM_Req_Sent;
+		case FSM_Req_Sent:
+		case FSM_Ack_Sent:
+			--layer->restart_counter;
+			--layer->id;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			break;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_timeout1(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Closing:
+			stop_timer(layer);
+			layer->fsm_state=FSM_Closed;
+			if (layer->layer_finished) layer->layer_finished(layer);
+			break;
+		case FSM_Stopping:
+			stop_timer(layer);
+			layer->fsm_state=FSM_Stopped;
+			if (layer->layer_finished) layer->layer_finished(layer);
+			break;
+		case FSM_Ack_Rcvd:
+		case FSM_Req_Sent:
+		case FSM_Ack_Sent:
+			stop_timer(layer);
+			layer->fsm_state=FSM_Stopped;
+			if (layer->layer_finished) layer->layer_finished(layer);
+			break;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_recv_conf_req_ack(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Closed:
+			layer->send_term_ack(layer);
+			break;
+		case FSM_Stopped:
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			init_req_counter(layer,layer->max_configure);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+		case FSM_Req_Sent:
+		case FSM_Ack_Sent:
+			if (layer->send_conf_ack) layer->send_conf_ack(layer);
+			layer->fsm_state=FSM_Ack_Sent;
+			break;
+		case FSM_Ack_Rcvd:
+			if (layer->send_conf_ack) layer->send_conf_ack(layer);
+			stop_timer(layer);
+			if (layer->layer_up) layer->layer_up(layer);
+			layer->fsm_state=FSM_Opened;
+			break;
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			if (layer->send_conf_ack) layer->send_conf_ack(layer);
+			layer->fsm_state=FSM_Ack_Sent;
+			break;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_recv_conf_req_nak(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Closed:
+			layer->send_term_ack(layer);
+			break;
+		case FSM_Stopped:
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			init_req_counter(layer,layer->max_configure);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+		case FSM_Ack_Sent:
+			if (layer->send_conf_nak) layer->send_conf_nak(layer);
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		case FSM_Req_Sent:
+		case FSM_Ack_Rcvd:
+			if (++layer->conf_failure == layer->max_failure) {
+				if (layer->layer_finished) layer->layer_finished(layer);
+				return;
+			}
+			if (layer->send_conf_nak) layer->send_conf_nak(layer);
+			break;
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			if (layer->send_conf_nak) layer->send_conf_nak(layer);
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_recv_conf_req_rej(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Closed:
+			layer->send_term_ack(layer);
+			break;
+		case FSM_Stopped:
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			init_req_counter(layer,layer->max_configure);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+		case FSM_Ack_Sent:
+			if (++layer->conf_failure == layer->max_failure) {
+				if (layer->layer_down) layer->layer_down(layer);
+				return;
+			}
+			if (layer->send_conf_rej) layer->send_conf_rej(layer);
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		case FSM_Req_Sent:
+		case FSM_Ack_Rcvd:
+			if (++layer->conf_failure == layer->max_failure) {
+				if (layer->layer_finished) layer->layer_finished(layer);
+				return;
+			}
+			if (layer->send_conf_rej) layer->send_conf_rej(layer);
+			break;
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			if (layer->send_conf_rej) layer->send_conf_rej(layer);
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_recv_conf_ack(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Closed:
+		case FSM_Stopped:
+			layer->send_term_ack(layer);
+			break;
+		case FSM_Req_Sent:
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			init_req_counter(layer,layer->max_configure);
+			layer->fsm_state=FSM_Ack_Rcvd;
+			break;
+		case FSM_Ack_Rcvd:
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		case FSM_Ack_Sent:
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			//init_req_counter(layer,layer->max_configure);
+			//tlu
+			stop_timer(layer);
+			if (layer->layer_up) layer->layer_up(layer);
+			layer->fsm_state=FSM_Opened;
+			break;
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			layer->fsm_state=FSM_Req_Sent;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_recv_conf_rej(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Closed:
+		case FSM_Stopped:
+			layer->send_term_ack(layer);
+			break;
+		case FSM_Req_Sent:
+			if (++layer->conf_failure == layer->max_failure) {
+				if (layer->layer_down) layer->layer_down(layer);
+				return;
+			}
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			init_req_counter(layer,layer->max_failure);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			break;
+		case FSM_Ack_Rcvd:
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		case FSM_Ack_Sent:
+			//if (layer->init_req_cnt) layer->init_req_cnt(layer);
+			init_req_counter(layer,layer->max_configure);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			break;
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_recv_term_req(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+			//send_term_req(layer);
+			layer->send_term_ack(layer);
+			//if (layer->zero_req_cnt) layer->zero_req_cnt(layer);
+			zero_req_counter(layer);
+			layer->fsm_state=FSM_Stopping;
+			break;
+		case FSM_Req_Sent:
+		case FSM_Ack_Rcvd:
+		case FSM_Ack_Sent:
+			layer->send_term_ack(layer);
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		default:
+			layer->send_term_ack(layer);
+			break;
+	}
+}
+
+void ppp_fsm_recv_term_ack(struct ppp_fsm_t *layer)
+{
+	stop_timer(layer);
+	switch(layer->fsm_state)
+	{
+		case FSM_Closing:
+			layer->fsm_state=FSM_Closed;
+			if (layer->layer_finished) layer->layer_finished(layer);
+			break;
+		case FSM_Stopping:
+			layer->fsm_state=FSM_Stopped;
+			if (layer->layer_finished) layer->layer_finished(layer);
+			break;
+		case FSM_Ack_Rcvd:
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+			--layer->restart_counter;
+			if (layer->send_conf_req) layer->send_conf_req(layer);
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_recv_unk(struct ppp_fsm_t *layer)
+{
+	if (layer->send_code_rej) layer->send_code_rej(layer);
+}
+
+void ppp_fsm_recv_code_rej_perm(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Ack_Rcvd:
+			layer->fsm_state=FSM_Req_Sent;
+			break;
+		default:
+			break;
+	}
+}
+
+void ppp_fsm_recv_code_rej_bad(struct ppp_fsm_t *layer)
+{
+	switch(layer->fsm_state)
+	{
+		case FSM_Opened:
+			if (layer->layer_down) layer->layer_down(layer);
+			--layer->restart_counter;
+			layer->send_term_req(layer);
+			layer->fsm_state=FSM_Stopping;
+			break;
+		case FSM_Closing:
+			layer->fsm_state=FSM_Closed;
+			if (layer->layer_finished) layer->layer_finished(layer);
+			break;
+		case FSM_Stopping:
+		case FSM_Req_Sent:
+		case FSM_Ack_Rcvd:
+		case FSM_Ack_Sent:
+			layer->fsm_state=FSM_Stopped;
+			if (layer->layer_finished) layer->layer_finished(layer);
+			break;
+		default:
+			break;
+	}
+}
+
+static void stop_timer(struct ppp_fsm_t *fsm)
+{
+	if (fsm->restart_timer.tpd)
+		triton_timer_del(&fsm->restart_timer);
+}
+static void init_req_counter(struct ppp_fsm_t *layer,int timeout)
+{
+	layer->restart_counter = timeout;
+
+	if (!layer->restart_timer.tpd)
+		triton_timer_add(layer->ppp->ctrl->ctx, &layer->restart_timer, 0);
+}
+static void zero_req_counter(struct ppp_fsm_t *layer)
+{
+	layer->restart_counter=0;
+	
+	if (!layer->restart_timer.tpd)
+		triton_timer_add(layer->ppp->ctrl->ctx, &layer->restart_timer, 0);
+}
+
+static void restart_timer_func(struct triton_timer_t *t)
+{
+	struct ppp_fsm_t *layer = container_of(t, typeof(*layer), restart_timer);
+
+	log_ppp_debug("fsm timeout\n");
+
+	if (layer->restart_counter>0)
+		ppp_fsm_timeout0(layer);
+	else
+		ppp_fsm_timeout1(layer);
+}
+
+static void load_config(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("ppp", "max-terminate");
+	if (opt && atoi(opt) > 0)
+		conf_max_terminate = atoi(opt);
+
+	opt = conf_get_opt("ppp", "max-configure");
+	if (opt && atoi(opt) > 0)
+		conf_max_configure = atoi(opt);
+
+	opt = conf_get_opt("ppp", "max-failure");
+	if (opt && atoi(opt) > 0)
+		conf_max_failure = atoi(opt);
+
+	opt = conf_get_opt("ppp", "timeout");
+	if (opt && atoi(opt) > 0)
+		conf_timeout = atoi(opt);
+}
+
+void __init fsm_init(void)
+{
+	load_config();
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+}
+
diff --git a/accel-pppd/ppp/ppp_fsm.h b/accel-pppd/ppp/ppp_fsm.h
new file mode 100644
index 0000000..6010240
--- /dev/null
+++ b/accel-pppd/ppp/ppp_fsm.h
@@ -0,0 +1,72 @@
+#ifndef PPP_FSM_H
+#define PPP_FSM_H
+
+typedef enum {FSM_Initial=0,FSM_Starting,FSM_Closed,FSM_Stopped,FSM_Closing,FSM_Stopping,FSM_Req_Sent,FSM_Ack_Rcvd,FSM_Ack_Sent,FSM_Opened} FSM_STATE;
+/*
+ *  CP (LCP, IPCP, etc.) codes.
+ */
+#define CONFREQ		1	/* Configuration Request */
+#define CONFACK		2	/* Configuration Ack */
+#define CONFNAK		3	/* Configuration Nak */
+#define CONFREJ		4	/* Configuration Reject */
+#define TERMREQ		5	/* Termination Request */
+#define TERMACK		6	/* Termination Ack */
+#define CODEREJ		7	/* Code Reject */
+#define PROTOREJ	8	/* Code Reject */
+#define ECHOREQ		9	/* Echo Request */
+#define ECHOREP		10	/* Echo Reply */
+#define	IDENT		  12	/* Identification */
+
+struct ppp_t;
+
+struct ppp_fsm_t
+{
+	struct ppp_t *ppp;
+	FSM_STATE fsm_state;
+	uint16_t proto;
+	
+	struct triton_timer_t restart_timer;
+	int restart_counter;
+	int max_terminate;
+	int max_configure;
+	int max_failure;
+	int timeout;
+	int conf_failure;
+
+	int id;
+	int recv_id;
+
+	//fsm handling
+	void (*layer_up)(struct ppp_fsm_t*);
+	void (*layer_down)(struct ppp_fsm_t*);
+	void (*layer_started)(struct ppp_fsm_t*);
+	void (*layer_finished)(struct ppp_fsm_t*);
+	int (*send_conf_req)(struct ppp_fsm_t*);
+	void (*send_conf_ack)(struct ppp_fsm_t*);
+	void (*send_conf_nak)(struct ppp_fsm_t*);
+	void (*send_conf_rej)(struct ppp_fsm_t*);
+	void (*send_code_rej)(struct ppp_fsm_t*);
+	void (*send_term_req)(struct ppp_fsm_t*);
+	void (*send_term_ack)(struct ppp_fsm_t*);
+};
+
+void ppp_fsm_init(struct ppp_fsm_t*);
+void ppp_fsm_free(struct ppp_fsm_t*);
+
+int ppp_fsm_lower_up(struct ppp_fsm_t*);
+void ppp_fsm_lower_down(struct ppp_fsm_t*);
+int ppp_fsm_open(struct ppp_fsm_t*);
+void ppp_fsm_close(struct ppp_fsm_t*);
+void ppp_fsm_timeout0(struct ppp_fsm_t *layer);
+void ppp_fsm_timeout1(struct ppp_fsm_t *layer);
+void ppp_fsm_recv_conf_req_ack(struct ppp_fsm_t *layer);
+void ppp_fsm_recv_conf_req_nak(struct ppp_fsm_t *layer);
+void ppp_fsm_recv_conf_req_rej(struct ppp_fsm_t *layer);
+void ppp_fsm_recv_conf_ack(struct ppp_fsm_t *layer);
+void ppp_fsm_recv_conf_rej(struct ppp_fsm_t *layer);
+void ppp_fsm_recv_term_req(struct ppp_fsm_t *layer);
+void ppp_fsm_recv_term_ack(struct ppp_fsm_t *layer);
+void ppp_fsm_recv_unk(struct ppp_fsm_t *layer);
+void ppp_fsm_recv_code_rej_bad(struct ppp_fsm_t *layer);
+
+#endif
diff --git a/accel-pppd/ppp/ppp_ipcp.c b/accel-pppd/ppp/ppp_ipcp.c
new file mode 100644
index 0000000..7cdcdbc
--- /dev/null
+++ b/accel-pppd/ppp/ppp_ipcp.c
@@ -0,0 +1,665 @@
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include "linux_ppp.h"
+
+#include "triton.h"
+
+#include "log.h"
+
+#include "ppp.h"
+#include "ppp_ipcp.h"
+
+#include "memdebug.h"
+
+struct recv_opt_t
+{
+	struct list_head entry;
+	struct ipcp_opt_hdr_t *hdr;
+	int len;
+	int state;
+	struct ipcp_option_t *lopt;
+};
+
+static LIST_HEAD(option_handlers);
+
+static void ipcp_layer_up(struct ppp_fsm_t*);
+static void ipcp_layer_down(struct ppp_fsm_t*);
+static int send_conf_req(struct ppp_fsm_t*);
+static void send_conf_ack(struct ppp_fsm_t*);
+static void send_conf_nak(struct ppp_fsm_t*);
+static void send_conf_rej(struct ppp_fsm_t*);
+static void ipcp_recv(struct ppp_handler_t*);
+static void send_term_req(struct ppp_fsm_t *fsm);
+static void send_term_ack(struct ppp_fsm_t *fsm);
+
+static void ipcp_options_init(struct ppp_ipcp_t *ipcp)
+{
+	struct ipcp_option_t *lopt;
+	struct ipcp_option_handler_t *h;
+
+	ipcp->conf_req_len = sizeof(struct ipcp_hdr_t);
+	
+	list_for_each_entry(h,&option_handlers,entry) {
+		lopt = h->init(ipcp);
+		if (lopt) {
+			lopt->h = h;
+			list_add_tail(&lopt->entry, &ipcp->options);
+			ipcp->conf_req_len += lopt->len;
+		}
+	}
+}
+
+static void ipcp_options_free(struct ppp_ipcp_t *ipcp)
+{
+	struct ipcp_option_t *lopt;
+
+	while (!list_empty(&ipcp->options)) {
+		lopt = list_entry(ipcp->options.next, typeof(*lopt), entry);
+		list_del(&lopt->entry);
+		lopt->h->free(ipcp, lopt);
+	}
+}
+
+static struct ppp_layer_data_t *ipcp_layer_init(struct ppp_t *ppp)
+{
+	struct ppp_ipcp_t *ipcp = _malloc(sizeof(*ipcp));
+	memset(ipcp, 0, sizeof(*ipcp));
+	
+	log_ppp_debug("ipcp_layer_init\n");
+
+	ipcp->ppp = ppp;
+	ipcp->fsm.ppp = ppp;
+	
+	ipcp->hnd.proto = PPP_IPCP;
+	ipcp->hnd.recv = ipcp_recv;
+	
+	ppp_register_unit_handler(ppp, &ipcp->hnd);
+
+	ipcp->fsm.proto = PPP_IPCP;
+	ppp_fsm_init(&ipcp->fsm);
+
+	ipcp->fsm.layer_up = ipcp_layer_up;
+	ipcp->fsm.layer_finished = ipcp_layer_down;
+	ipcp->fsm.send_conf_req = send_conf_req;
+	ipcp->fsm.send_conf_ack = send_conf_ack;
+	ipcp->fsm.send_conf_nak = send_conf_nak;
+	ipcp->fsm.send_conf_rej = send_conf_rej;
+	ipcp->fsm.send_term_req = send_term_req;
+	ipcp->fsm.send_term_ack = send_term_ack;
+
+	INIT_LIST_HEAD(&ipcp->options);
+	INIT_LIST_HEAD(&ipcp->ropt_list);
+
+	return &ipcp->ld;
+}
+
+int ipcp_layer_start(struct ppp_layer_data_t *ld)
+{
+	struct ppp_ipcp_t *ipcp = container_of(ld, typeof(*ipcp), ld);
+	
+	log_ppp_debug("ipcp_layer_start\n");
+
+	ipcp_options_init(ipcp);
+	ppp_fsm_lower_up(&ipcp->fsm);
+	if (ppp_fsm_open(&ipcp->fsm))
+		return -1;
+	
+	return 0;
+}
+
+void ipcp_layer_finish(struct ppp_layer_data_t *ld)
+{
+	struct ppp_ipcp_t *ipcp = container_of(ld, typeof(*ipcp), ld);
+	
+	log_ppp_debug("ipcp_layer_finish\n");
+
+	ipcp->fsm.fsm_state = FSM_Closed;
+	
+	log_ppp_debug("ipcp_layer_finished\n");
+	ppp_layer_finished(ipcp->ppp, &ipcp->ld);
+}
+
+void ipcp_layer_free(struct ppp_layer_data_t *ld)
+{
+	struct ppp_ipcp_t *ipcp = container_of(ld, typeof(*ipcp), ld);
+	
+	log_ppp_debug("ipcp_layer_free\n");
+		
+	ppp_unregister_handler(ipcp->ppp, &ipcp->hnd);
+	ipcp_options_free(ipcp);
+	ppp_fsm_free(&ipcp->fsm);
+
+	_free(ipcp);
+}
+
+static void ipcp_layer_up(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ipcp_t *ipcp = container_of(fsm, typeof(*ipcp), fsm);
+
+	log_ppp_debug("ipcp_layer_started\n");
+
+	if (!ipcp->started) {
+		ipcp->started = 1;
+		ppp_layer_started(ipcp->ppp, &ipcp->ld);
+	}
+}
+
+static void ipcp_layer_down(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ipcp_t *ipcp = container_of(fsm, typeof(*ipcp), fsm);
+
+	log_ppp_debug("ipcp_layer_finished\n");
+
+	if (ipcp->started) {
+		ipcp->started = 0;
+	  ppp_layer_finished(ipcp->ppp, &ipcp->ld);
+	} else
+		ppp_terminate(ipcp->ppp, TERM_NAS_ERROR, 0);
+}
+
+static void print_ropt(struct recv_opt_t *ropt)
+{
+	int i;
+	uint8_t *ptr = (uint8_t*)ropt->hdr;
+
+	log_ppp_info2("<");
+	for (i = 0; i < ropt->len; i++) {
+		log_ppp_info2(" %x", ptr[i]);
+	}
+	log_ppp_info2(" >");
+}
+
+static int send_conf_req(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ipcp_t *ipcp = container_of(fsm, typeof(*ipcp), fsm);
+	uint8_t *buf = _malloc(ipcp->conf_req_len), *ptr = buf;
+	struct ipcp_hdr_t *ipcp_hdr = (struct ipcp_hdr_t*)ptr;
+	struct ipcp_option_t *lopt;
+	int n;
+
+	ipcp_hdr->proto = htons(PPP_IPCP);
+	ipcp_hdr->code = CONFREQ;
+	ipcp_hdr->id = ++ipcp->fsm.id;
+	ipcp_hdr->len = 0;
+	
+	ptr += sizeof(*ipcp_hdr);
+
+	list_for_each_entry(lopt, &ipcp->options, entry) {
+		n = lopt->h->send_conf_req(ipcp, lopt, ptr);
+		if (n < 0)
+			return -1;
+		if (n) {
+			ptr += n;
+			lopt->print = 1;
+		} else
+			lopt->print = 0;
+	}
+
+	if (conf_ppp_verbose) {
+		log_ppp_info2("send [IPCP ConfReq id=%x", ipcp_hdr->id);
+		list_for_each_entry(lopt,&ipcp->options,entry) {
+			if (lopt->print) {
+				log_ppp_info2(" ");
+				lopt->h->print(log_ppp_info2, lopt, NULL);
+			}
+		}
+		log_ppp_info2("]\n");
+	}
+
+	ipcp_hdr->len = htons(ptr - buf - 2);
+	ppp_unit_send(ipcp->ppp, ipcp_hdr, ptr - buf);
+
+	_free(buf);
+
+	return 0;
+}
+
+static void send_conf_ack(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ipcp_t *ipcp = container_of(fsm, typeof(*ipcp), fsm);
+	struct ipcp_hdr_t *hdr = (struct ipcp_hdr_t*)ipcp->ppp->unit_buf;
+
+	hdr->code = CONFACK;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [IPCP ConfAck id=%x]\n", ipcp->fsm.recv_id);
+
+	ppp_unit_send(ipcp->ppp, hdr, ntohs(hdr->len) + 2);
+}
+
+static void send_conf_nak(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ipcp_t *ipcp = container_of(fsm, typeof(*ipcp), fsm);
+	uint8_t *buf = _malloc(ipcp->conf_req_len), *ptr = buf;
+	struct ipcp_hdr_t *ipcp_hdr = (struct ipcp_hdr_t*)ptr;
+	struct recv_opt_t *ropt;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [IPCP ConfNak id=%x", ipcp->fsm.recv_id);
+
+	ipcp_hdr->proto = htons(PPP_IPCP);
+	ipcp_hdr->code = CONFNAK;
+	ipcp_hdr->id = ipcp->fsm.recv_id;
+	ipcp_hdr->len = 0;
+	
+	ptr += sizeof(*ipcp_hdr);
+
+	list_for_each_entry(ropt, &ipcp->ropt_list, entry) {
+		if (ropt->state == IPCP_OPT_NAK) {
+			if (conf_ppp_verbose) {
+				log_ppp_info2(" ");
+				ropt->lopt->h->print(log_ppp_info2, ropt->lopt, NULL);
+			}
+			ptr += ropt->lopt->h->send_conf_nak(ipcp, ropt->lopt, ptr);
+		}
+	}
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	ipcp_hdr->len = htons(ptr-buf-2);
+	ppp_unit_send(ipcp->ppp, ipcp_hdr, ptr - buf);
+
+	_free(buf);
+}
+
+static void send_conf_rej(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ipcp_t *ipcp = container_of(fsm, typeof(*ipcp), fsm);
+	uint8_t *buf = _malloc(ipcp->ropt_len + sizeof(struct ipcp_hdr_t)), *ptr = buf;
+	struct ipcp_hdr_t *ipcp_hdr = (struct ipcp_hdr_t*)ptr;
+	struct recv_opt_t *ropt;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [IPCP ConfRej id=%x", ipcp->fsm.recv_id);
+
+	ipcp_hdr->proto = htons(PPP_IPCP);
+	ipcp_hdr->code = CONFREJ;
+	ipcp_hdr->id = ipcp->fsm.recv_id;
+	ipcp_hdr->len = 0;
+
+	ptr += sizeof(*ipcp_hdr);
+
+	list_for_each_entry(ropt, &ipcp->ropt_list, entry) {
+		if (ropt->state == IPCP_OPT_REJ) {
+			if (conf_ppp_verbose) {
+				log_ppp_info2(" ");
+				if (ropt->lopt)
+					ropt->lopt->h->print(log_ppp_info2, ropt->lopt, (uint8_t*)ropt->hdr);
+				else
+					print_ropt(ropt);
+			}
+			memcpy(ptr, ropt->hdr, ropt->len);
+			ptr += ropt->len;
+		}
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	ipcp_hdr->len = htons(ptr - buf - 2);
+	ppp_unit_send(ipcp->ppp, ipcp_hdr, ptr-buf);
+
+	_free(buf);
+}
+
+static int ipcp_recv_conf_req(struct ppp_ipcp_t *ipcp, uint8_t *data, int size)
+{
+	struct ipcp_opt_hdr_t *hdr;
+	struct recv_opt_t *ropt;
+	struct ipcp_option_t *lopt;
+	int r,ret = 1;
+
+	ipcp->ropt_len = size;
+
+	while (size > 0) {
+		hdr = (struct ipcp_opt_hdr_t *)data;
+
+		ropt = _malloc(sizeof(*ropt));
+		memset(ropt, 0, sizeof(*ropt));
+
+		if (hdr->len > size)
+			ropt->len = size;
+		else
+			ropt->len = hdr->len;
+		ropt->hdr = hdr;
+		ropt->state = IPCP_OPT_NONE;
+		list_add_tail(&ropt->entry, &ipcp->ropt_list);
+
+		data += ropt->len;
+		size -= ropt->len;
+	}
+	
+	list_for_each_entry(lopt, &ipcp->options, entry)
+		lopt->state=IPCP_OPT_NONE;
+
+	if (conf_ppp_verbose) {
+		log_ppp_info2("recv [IPCP ConfReq id=%x", ipcp->fsm.recv_id);
+
+		list_for_each_entry(ropt, &ipcp->ropt_list, entry) {
+			list_for_each_entry(lopt, &ipcp->options, entry) {
+				if (lopt->id == ropt->hdr->id) {
+					ropt->lopt = lopt;
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2, lopt, (uint8_t*)ropt->hdr);
+					break;
+				}
+			}
+			if (!ropt->lopt) {
+				log_ppp_info2(" ");
+				print_ropt(ropt);
+			}
+		}
+		log_ppp_info2("]\n");
+	}
+
+	list_for_each_entry(ropt, &ipcp->ropt_list, entry) {
+		list_for_each_entry(lopt, &ipcp->options, entry) {
+			if (lopt->id == ropt->hdr->id) {
+				r = lopt->h->recv_conf_req(ipcp, lopt, (uint8_t*)ropt->hdr);
+				if (ipcp->ppp->stop_time)
+					return -1;
+				lopt->state = r;
+				ropt->state = r;
+				ropt->lopt = lopt;
+				if (r < ret)
+					ret = r;
+				break;
+			}	
+		}
+		if (!ropt->lopt) {
+			ropt->state = IPCP_OPT_REJ;
+			ret = IPCP_OPT_REJ;
+		}
+	}
+
+
+	/*list_for_each_entry(lopt,&ipcp->options,entry)
+	{
+		if (lopt->state==IPCP_OPT_NONE)
+		{
+			r=lopt->h->recv_conf_req(ipcp,lopt,NULL);
+			lopt->state=r;
+			if (r<ret) ret=r;
+		}
+	}*/
+
+	return ret;
+}
+
+static void ipcp_free_conf_req(struct ppp_ipcp_t *ipcp)
+{
+	struct recv_opt_t *ropt;
+
+	while (!list_empty(&ipcp->ropt_list)) {
+		ropt = list_entry(ipcp->ropt_list.next, typeof(*ropt), entry);
+		list_del(&ropt->entry);
+		_free(ropt);
+	}
+}
+
+static int ipcp_recv_conf_rej(struct ppp_ipcp_t *ipcp, uint8_t *data, int size)
+{
+	struct ipcp_opt_hdr_t *hdr;
+	struct ipcp_option_t *lopt;
+	int res = 0;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [IPCP ConfRej id=%x", ipcp->fsm.recv_id);
+
+	if (ipcp->fsm.recv_id != ipcp->fsm.id) {
+		if (conf_ppp_verbose)
+			log_ppp_info2(": id mismatch ]\n");
+		return 0;
+	}
+
+	while (size > 0) {
+		hdr = (struct ipcp_opt_hdr_t *)data;
+		
+		list_for_each_entry(lopt, &ipcp->options, entry) {
+			if (lopt->id == hdr->id) {
+				if (!lopt->h->recv_conf_rej)
+					res = -1;
+				else if (lopt->h->recv_conf_rej(ipcp, lopt, data))
+					res = -1;
+				break;
+			}
+		}
+
+		data += hdr->len;
+		size -= hdr->len;
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	return res;
+}
+
+static int ipcp_recv_conf_nak(struct ppp_ipcp_t *ipcp, uint8_t *data, int size)
+{
+	struct ipcp_opt_hdr_t *hdr;
+	struct ipcp_option_t *lopt;
+	int res = 0;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [IPCP ConfNak id=%x", ipcp->fsm.recv_id);
+
+	if (ipcp->fsm.recv_id != ipcp->fsm.id) {
+		if (conf_ppp_verbose)
+			log_ppp_info2(": id mismatch ]\n");
+		return 0;
+	}
+
+	while (size > 0) {
+		hdr = (struct ipcp_opt_hdr_t *)data;
+		
+		list_for_each_entry(lopt, &ipcp->options, entry) {
+			if (lopt->id == hdr->id) {
+				if (conf_ppp_verbose) {
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2,lopt,data);
+				}
+				if (lopt->h->recv_conf_nak && lopt->h->recv_conf_nak(ipcp, lopt, data))
+					res =- 1;
+				break;
+			}
+		}
+
+		data += hdr->len;
+		size -= hdr->len;
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	return res;
+}
+
+static int ipcp_recv_conf_ack(struct ppp_ipcp_t *ipcp, uint8_t *data, int size)
+{
+	struct ipcp_opt_hdr_t *hdr;
+	struct ipcp_option_t *lopt;
+	int res = 0;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [IPCP ConfAck id=%x", ipcp->fsm.recv_id);
+
+	if (ipcp->fsm.recv_id != ipcp->fsm.id) {
+		if (conf_ppp_verbose)
+			log_ppp_info2(": id mismatch ]\n");
+		return 0;
+	}
+
+	while (size > 0) {
+		hdr = (struct ipcp_opt_hdr_t *)data;
+		
+		list_for_each_entry(lopt, &ipcp->options, entry) {
+			if (lopt->id == hdr->id) {
+				if (conf_ppp_verbose) {
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2, lopt, data);
+				}
+				if (!lopt->h->recv_conf_ack)
+					break;
+				if (lopt->h->recv_conf_ack(ipcp, lopt, data))
+					res = -1;
+				break;
+			}
+		}
+
+		data += hdr->len;
+		size -= hdr->len;
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	return res;
+}
+
+static void send_term_req(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ipcp_t *ipcp = container_of(fsm, typeof(*ipcp), fsm);
+	struct ipcp_hdr_t hdr = {
+		.proto = htons(PPP_IPCP),
+		.code = TERMREQ,
+		.id = ++ipcp->fsm.id,
+		.len = htons(4),
+	};
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [IPCP TermReq id=%i]\n", hdr.id);
+
+	ppp_unit_send(ipcp->ppp, &hdr, 6);
+}
+
+static void send_term_ack(struct ppp_fsm_t *fsm)
+{
+	struct ppp_ipcp_t *ipcp = container_of(fsm, typeof(*ipcp), fsm);
+	struct ipcp_hdr_t hdr = {
+		.proto = htons(PPP_IPCP),
+		.code = TERMACK,
+		.id = ipcp->fsm.recv_id,
+		.len = htons(4),
+	};
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [IPCP TermAck id=%i]\n", hdr.id);
+	
+	ppp_unit_send(ipcp->ppp, &hdr, 6);
+}
+
+static void ipcp_recv(struct ppp_handler_t*h)
+{
+	struct ipcp_hdr_t *hdr;
+	struct ppp_ipcp_t *ipcp = container_of(h, typeof(*ipcp), hnd);
+	int r;
+
+	if (ipcp->fsm.fsm_state == FSM_Initial || ipcp->fsm.fsm_state == FSM_Closed || ipcp->ppp->terminating) {
+		if (conf_ppp_verbose)
+			log_ppp_warn("IPCP: discarding packet\n");
+		return;
+	}
+
+	if (ipcp->ppp->unit_buf_size < PPP_HEADERLEN + 2) {
+		log_ppp_warn("IPCP: short packet received\n");
+		return;
+	}
+
+	hdr = (struct ipcp_hdr_t *)ipcp->ppp->unit_buf;
+	if (ntohs(hdr->len) < PPP_HEADERLEN) {
+		log_ppp_warn("IPCP: short packet received\n");
+		return;
+	}
+
+	ipcp->fsm.recv_id = hdr->id;
+	switch(hdr->code) {
+		case CONFREQ:
+			r = ipcp_recv_conf_req(ipcp,(uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
+			if (ipcp->ppp->stop_time) {
+				ipcp_free_conf_req(ipcp);
+				return;
+			}
+			switch(r) {
+				case IPCP_OPT_ACK:
+					ppp_fsm_recv_conf_req_ack(&ipcp->fsm);
+					break;
+				case IPCP_OPT_NAK:
+					ppp_fsm_recv_conf_req_nak(&ipcp->fsm);
+					break;
+				case IPCP_OPT_REJ:
+					ppp_fsm_recv_conf_req_rej(&ipcp->fsm);
+					break;
+			}
+			ipcp_free_conf_req(ipcp);
+			if (r == IPCP_OPT_FAIL)
+				ppp_terminate(ipcp->ppp, TERM_USER_ERROR, 0);
+			break;
+		case CONFACK:
+			if (ipcp_recv_conf_ack(ipcp,(uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN))
+				ppp_terminate(ipcp->ppp, TERM_USER_ERROR, 0);
+			else
+				ppp_fsm_recv_conf_ack(&ipcp->fsm);
+			break;
+		case CONFNAK:
+			ipcp_recv_conf_nak(ipcp,(uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
+			ppp_fsm_recv_conf_rej(&ipcp->fsm);
+			break;
+		case CONFREJ:
+			if (ipcp_recv_conf_rej(ipcp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN))
+				ppp_terminate(ipcp->ppp, TERM_USER_ERROR, 0);
+			else
+				ppp_fsm_recv_conf_rej(&ipcp->fsm);
+			break;
+		case TERMREQ:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [IPCP TermReq id=%x]\n", hdr->id);
+			ppp_fsm_recv_term_req(&ipcp->fsm);
+			ppp_terminate(ipcp->ppp, TERM_USER_REQUEST, 0);
+			break;
+		case TERMACK:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [IPCP TermAck id=%x]\n", hdr->id);
+			//ppp_fsm_recv_term_ack(&ipcp->fsm);
+			//ppp_terminate(ipcp->ppp, 0);
+			break;
+		case CODEREJ:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [IPCP CodeRej id=%x]\n", hdr->id);
+			ppp_fsm_recv_code_rej_bad(&ipcp->fsm);
+			break;
+		default:
+			ppp_fsm_recv_unk(&ipcp->fsm);
+			break;
+	}
+}
+
+int ipcp_option_register(struct ipcp_option_handler_t *h)
+{
+	/*struct ipcp_option_drv_t *p;
+
+	list_for_each_entry(p,option_drv_list,entry)
+		if (p->id==h->id) 
+			return -1;*/
+	
+	list_add_tail(&h->entry, &option_handlers);
+
+	return 0;
+}
+
+static struct ppp_layer_t ipcp_layer =
+{
+	.init   = ipcp_layer_init,
+	.start  = ipcp_layer_start,
+	.finish = ipcp_layer_finish,
+	.free   = ipcp_layer_free,
+};
+
+static void __init ipcp_init(void)
+{
+	ppp_register_layer("ipcp", &ipcp_layer);
+}
+
diff --git a/accel-pppd/ppp/ppp_ipcp.h b/accel-pppd/ppp/ppp_ipcp.h
new file mode 100644
index 0000000..c955987
--- /dev/null
+++ b/accel-pppd/ppp/ppp_ipcp.h
@@ -0,0 +1,96 @@
+#ifndef PPP_IPCP_H
+#define PPP_IPCP_H
+
+#include <stdint.h>
+
+#include "triton.h"
+#include "ppp_fsm.h"
+/*
+ * Options.
+ */
+#define CI_COMP	2	  /* IP-Compress-Protocol */
+#define CI_ADDR 3   /* IP-Address */
+#define CI_DNS1 129 /* Primary-DNS-Address */
+#define CI_DNS2 131 /* Secondary-DNS-Address */
+
+struct ipcp_hdr_t
+{
+	uint16_t proto;
+	uint8_t code;
+	uint8_t id;
+	uint16_t len;
+} __attribute__((packed));
+struct ipcp_opt_hdr_t
+{
+	uint8_t id;
+	uint8_t len;
+} __attribute__((packed));
+struct ipcp_opt8_t
+{
+	struct ipcp_opt_hdr_t hdr;
+	uint8_t val;
+} __attribute__((packed));
+struct ipcp_opt16_t
+{
+	struct ipcp_opt_hdr_t hdr;
+	uint16_t val;
+} __attribute__((packed));
+struct ipcp_opt32_t
+{
+	struct ipcp_opt_hdr_t hdr;
+	uint32_t val;
+} __attribute__((packed));
+
+#define IPCP_OPT_NONE  0
+#define IPCP_OPT_ACK   1
+#define IPCP_OPT_NAK  -1
+#define IPCP_OPT_REJ  -2
+#define IPCP_OPT_FAIL -3
+
+struct ppp_ipcp_t;
+struct ipcp_option_handler_t;
+
+struct ipcp_option_t
+{
+	struct list_head entry;
+	int id;
+	int len;
+	int state;
+	int print:1;
+	struct ipcp_option_handler_t *h;
+};
+
+struct ipcp_option_handler_t
+{
+	struct list_head entry;
+	struct ipcp_option_t* (*init)(struct ppp_ipcp_t*);
+	int (*send_conf_req)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
+	int (*send_conf_rej)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
+	int (*send_conf_nak)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
+	int (*recv_conf_req)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
+	int (*recv_conf_rej)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
+	int (*recv_conf_nak)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
+	int (*recv_conf_ack)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
+	void (*free)(struct ppp_ipcp_t*,struct ipcp_option_t*);
+	void (*print)(void (*print)(const char *fmt,...), struct ipcp_option_t*,uint8_t*);
+};
+
+struct ppp_ipcp_t
+{
+	struct ppp_layer_data_t ld;
+	struct ppp_handler_t hnd;
+	struct ppp_fsm_t fsm;
+	struct ppp_t *ppp;
+	struct list_head options;
+
+	struct list_head ropt_list; // last received ConfReq
+	int ropt_len;
+	
+	int conf_req_len;
+	int started:1;
+};
+
+int ipcp_option_register(struct ipcp_option_handler_t *h);
+
+#endif
+
diff --git a/accel-pppd/ppp/ppp_lcp.c b/accel-pppd/ppp/ppp_lcp.c
new file mode 100644
index 0000000..e40e321
--- /dev/null
+++ b/accel-pppd/ppp/ppp_lcp.c
@@ -0,0 +1,847 @@
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include "linux_ppp.h"
+
+#include "triton.h"
+
+#include "log.h"
+
+#include "ppp.h"
+#include "ppp_lcp.h"
+#include "events.h"
+
+#include "memdebug.h"
+
+struct recv_opt_t
+{
+	struct list_head entry;
+	struct lcp_opt_hdr_t *hdr;
+	int len;
+	int state;
+	struct lcp_option_t *lopt;
+};
+
+static int conf_echo_interval = 0;
+static int conf_echo_failure = 3;
+
+static LIST_HEAD(option_handlers);
+static struct ppp_layer_t lcp_layer;
+
+static void lcp_layer_up(struct ppp_fsm_t*);
+static void lcp_layer_down(struct ppp_fsm_t*);
+static void lcp_layer_finished(struct ppp_fsm_t*);
+static int send_conf_req(struct ppp_fsm_t*);
+static void send_conf_ack(struct ppp_fsm_t*);
+static void send_conf_nak(struct ppp_fsm_t*);
+static void send_conf_rej(struct ppp_fsm_t*);
+static void send_code_rej(struct ppp_fsm_t*);
+static void start_echo(struct ppp_lcp_t *lcp);
+static void stop_echo(struct ppp_lcp_t *lcp);
+static void send_term_req(struct ppp_fsm_t *fsm);
+static void send_term_ack(struct ppp_fsm_t *fsm);
+static void lcp_recv(struct ppp_handler_t*);
+
+static void lcp_options_init(struct ppp_lcp_t *lcp)
+{
+	struct lcp_option_t *lopt;
+	struct lcp_option_handler_t *h;
+
+	INIT_LIST_HEAD(&lcp->options);
+
+	lcp->conf_req_len = sizeof(struct lcp_hdr_t);
+
+	list_for_each_entry(h, &option_handlers, entry) {
+		lopt = h->init(lcp);
+		if (lopt) {
+			lopt->h = h;
+			list_add_tail(&lopt->entry, &lcp->options);
+			lcp->conf_req_len += lopt->len;
+		}
+	}
+}
+
+static void lcp_options_free(struct ppp_lcp_t *lcp)
+{
+	struct lcp_option_t *lopt;
+
+	while (!list_empty(&lcp->options)) {
+		lopt = list_entry(lcp->options.next, typeof(*lopt), entry);
+		list_del(&lopt->entry);
+		lopt->h->free(lcp, lopt);
+	}
+}
+
+static struct ppp_layer_data_t *lcp_layer_init(struct ppp_t *ppp)
+{
+	struct ppp_lcp_t *lcp = _malloc(sizeof(*lcp));
+	memset(lcp, 0, sizeof(*lcp));
+	
+	log_ppp_debug("lcp_layer_init\n");
+
+	lcp->ppp = ppp;
+	lcp->fsm.ppp = ppp;
+	
+	lcp->hnd.proto = PPP_LCP;
+	lcp->hnd.recv = lcp_recv;
+	
+	ppp_register_chan_handler(ppp, &lcp->hnd);
+
+	lcp->fsm.proto = PPP_LCP;
+	ppp_fsm_init(&lcp->fsm);
+
+	lcp->fsm.layer_up = lcp_layer_up;
+	lcp->fsm.layer_down = lcp_layer_down;
+	lcp->fsm.layer_finished = lcp_layer_finished;
+	lcp->fsm.send_conf_req = send_conf_req;
+	lcp->fsm.send_conf_ack = send_conf_ack;
+	lcp->fsm.send_conf_nak = send_conf_nak;
+	lcp->fsm.send_conf_rej = send_conf_rej;
+	lcp->fsm.send_code_rej = send_code_rej;
+	lcp->fsm.send_term_req = send_term_req;
+	lcp->fsm.send_term_ack = send_term_ack;
+
+	INIT_LIST_HEAD(&lcp->ropt_list);
+
+	return &lcp->ld;
+}
+
+int lcp_layer_start(struct ppp_layer_data_t *ld)
+{
+	struct ppp_lcp_t *lcp = container_of(ld, typeof(*lcp), ld);
+	
+	log_ppp_debug("lcp_layer_start\n");
+
+	lcp_options_init(lcp);
+	ppp_fsm_lower_up(&lcp->fsm);
+	if (ppp_fsm_open(&lcp->fsm))
+		return -1;
+	
+	return 0;
+}
+
+static void _lcp_layer_finished(struct ppp_lcp_t *lcp)
+{
+	ppp_layer_finished(lcp->ppp, &lcp->ld);
+}
+
+void lcp_layer_finish(struct ppp_layer_data_t *ld)
+{
+	struct ppp_lcp_t *lcp = container_of(ld,typeof(*lcp),ld);
+	
+	log_ppp_debug("lcp_layer_finish\n");
+
+	if (lcp->started) {
+		stop_echo(lcp);
+		ppp_fsm_close(&lcp->fsm);
+	} else
+		triton_context_call(lcp->ppp->ctrl->ctx, (triton_event_func)_lcp_layer_finished, lcp);
+}
+
+void lcp_layer_free(struct ppp_layer_data_t *ld)
+{
+	struct ppp_lcp_t *lcp = container_of(ld, typeof(*lcp), ld);
+	
+	log_ppp_debug("lcp_layer_free\n");
+
+	stop_echo(lcp);
+	ppp_unregister_handler(lcp->ppp, &lcp->hnd);
+	lcp_options_free(lcp);
+	ppp_fsm_free(&lcp->fsm);
+	triton_cancel_call(lcp->ppp->ctrl->ctx, (triton_event_func)_lcp_layer_finished);
+	
+	_free(lcp);
+}
+
+static void lcp_layer_up(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp = container_of(fsm, typeof(*lcp), fsm);
+
+	log_ppp_debug("lcp_layer_started\n");
+
+	if (!lcp->started) {
+		lcp->started = 1;
+		ppp_layer_started(lcp->ppp, &lcp->ld);
+	}
+	start_echo(lcp);
+}
+
+static void lcp_layer_down(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp = container_of(fsm, typeof(*lcp), fsm);
+	//ppp_fsm_close(&lcp->fsm);
+	stop_echo(lcp);
+	//ppp_layer_finished(lcp->ppp,&lcp->ld);
+}
+
+static void lcp_layer_finished(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp = container_of(fsm, typeof(*lcp), fsm);
+
+	log_ppp_debug("lcp_layer_finished\n");
+
+	stop_echo(lcp);
+	if (lcp->started) {
+		lcp->started = 0;
+		if (lcp->ppp->terminating)
+			ppp_layer_finished(lcp->ppp, &lcp->ld);
+		else
+			ppp_terminate(lcp->ppp, TERM_NAS_ERROR, 0);
+	} else
+		ppp_terminate(lcp->ppp, TERM_NAS_ERROR, 0);
+}
+
+static void print_ropt(struct recv_opt_t *ropt)
+{
+	int i;
+	uint8_t *ptr = (uint8_t*)ropt->hdr;
+
+	log_ppp_info2("<");
+	for (i = 0; i < ropt->len; i++) {
+		log_ppp_info2(" %x", ptr[i]);
+	}
+	log_ppp_info2(" >");
+}
+
+static int send_conf_req(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp = container_of(fsm, typeof(*lcp), fsm);
+	uint8_t *buf = _malloc(lcp->conf_req_len), *ptr = buf;
+	struct lcp_hdr_t *lcp_hdr = (struct lcp_hdr_t*)ptr;
+	struct lcp_option_t *lopt;
+	int n;
+
+	lcp_hdr->proto = htons(PPP_LCP);
+	lcp_hdr->code = CONFREQ;
+	lcp_hdr->id = ++lcp->fsm.id;
+	lcp_hdr->len = 0;
+	
+	ptr += sizeof(*lcp_hdr);
+
+	list_for_each_entry(lopt, &lcp->options, entry) {
+		n = lopt->h->send_conf_req(lcp, lopt, ptr);
+		if (n < 0)
+			return -1;
+		if (n) {
+			ptr += n;
+			lopt->print = 1;
+		} else
+			lopt->print = 0;
+	}
+	
+	if (conf_ppp_verbose) {
+		log_ppp_info2("send [LCP ConfReq id=%x", lcp_hdr->id);
+		list_for_each_entry(lopt,&lcp->options,entry) {
+			if (lopt->print) {
+				log_ppp_info2(" ");
+				lopt->h->print(log_ppp_info2, lopt, NULL);
+			}
+		}
+		log_ppp_info2("]\n");
+	}
+
+	lcp_hdr->len = htons(ptr - buf - 2);
+	ppp_chan_send(lcp->ppp, lcp_hdr, ptr-buf);
+
+	_free(buf);
+
+	return 0;
+}
+
+static void send_conf_ack(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp = container_of(fsm, typeof(*lcp), fsm);
+	struct lcp_hdr_t *hdr = (struct lcp_hdr_t*)lcp->ppp->chan_buf;
+
+	hdr->code = CONFACK;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [LCP ConfAck id=%x ]\n", lcp->fsm.recv_id);
+
+	ppp_chan_send(lcp->ppp, hdr, ntohs(hdr->len) + 2);
+}
+
+static void send_code_rej(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp = container_of(fsm, typeof(*lcp), fsm);
+	struct lcp_hdr_t *hdr = (struct lcp_hdr_t*)lcp->ppp->chan_buf;
+
+	hdr->code = CONFACK;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [LCP CodeRej %x id=%x ]\n",hdr->code, lcp->fsm.recv_id);
+
+	ppp_chan_send(lcp->ppp, hdr, ntohs(hdr->len) + 2);
+}
+
+static void send_conf_nak(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp = container_of(fsm, typeof(*lcp), fsm);
+	uint8_t *buf = _malloc(lcp->conf_req_len), *ptr = buf;
+	struct lcp_hdr_t *lcp_hdr = (struct lcp_hdr_t*)ptr;
+	struct lcp_option_t *lopt;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [LCP ConfNak id=%x", lcp->fsm.recv_id);
+
+	lcp_hdr->proto = htons(PPP_LCP);
+	lcp_hdr->code = CONFNAK;
+	lcp_hdr->id = lcp->fsm.recv_id;
+	lcp_hdr->len = 0;
+	
+	ptr += sizeof(*lcp_hdr);
+
+	list_for_each_entry(lopt, &lcp->options, entry) {
+		if (lopt->state == LCP_OPT_NAK) {
+			ptr+=lopt->h->send_conf_nak(lcp,lopt,ptr);
+			
+			if (conf_ppp_verbose) {
+				log_ppp_info2(" ");
+				lopt->h->print(log_ppp_info2, lopt, NULL);
+			}
+		}
+	}
+	
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	lcp_hdr->len = htons(ptr - buf - 2);
+	ppp_chan_send(lcp->ppp, lcp_hdr,ptr - buf);
+
+	_free(buf);
+}
+
+static void send_conf_rej(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp = container_of(fsm, typeof(*lcp), fsm);
+	uint8_t *buf = _malloc(lcp->ropt_len + sizeof(struct lcp_hdr_t)), *ptr = buf;
+	struct lcp_hdr_t *lcp_hdr = (struct lcp_hdr_t*)ptr;
+	struct recv_opt_t *ropt;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [LCP ConfRej id=%x ", lcp->fsm.recv_id);
+
+	lcp_hdr->proto = htons(PPP_LCP);
+	lcp_hdr->code = CONFREJ;
+	lcp_hdr->id = lcp->fsm.recv_id;
+	lcp_hdr->len = 0;
+
+	ptr += sizeof(*lcp_hdr);
+
+	list_for_each_entry(ropt, &lcp->ropt_list, entry) {
+		if (ropt->state == LCP_OPT_REJ) {
+			memcpy(ptr, ropt->hdr, ropt->len);
+			ptr += ropt->len;
+
+			if (conf_ppp_verbose) {
+				log_ppp_info2(" ");
+				if (ropt->lopt)
+					ropt->lopt->h->print(log_ppp_info2, ropt->lopt, (uint8_t*)ropt->hdr);
+				else
+					print_ropt(ropt);
+			}
+		}
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	lcp_hdr->len = htons(ptr - buf - 2);
+	ppp_chan_send(lcp->ppp, lcp_hdr, ptr - buf);
+
+	_free(buf);
+}
+
+static int lcp_recv_conf_req(struct ppp_lcp_t *lcp, uint8_t *data, int size)
+{
+	struct lcp_opt_hdr_t *hdr;
+	struct recv_opt_t *ropt;
+	struct lcp_option_t *lopt;
+	int r, ret = 1;
+
+	lcp->ropt_len = size;
+
+	while (size > 0) {
+		hdr = (struct lcp_opt_hdr_t *)data;
+
+		ropt = _malloc(sizeof(*ropt));
+		memset(ropt, 0, sizeof(*ropt));
+
+		if (hdr->len > size)
+			ropt->len = size;
+		else
+			ropt->len = hdr->len;
+
+		ropt->hdr = hdr;
+		ropt->state = LCP_OPT_NONE;
+		list_add_tail(&ropt->entry, &lcp->ropt_list);
+
+		data += ropt->len;
+		size -= ropt->len;
+	}
+	
+	list_for_each_entry(lopt, &lcp->options, entry)
+		lopt->state = LCP_OPT_NONE;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [LCP ConfReq id=%x", lcp->fsm.recv_id);
+
+	list_for_each_entry(ropt, &lcp->ropt_list, entry) {
+		list_for_each_entry(lopt, &lcp->options, entry) {
+			if (lopt->id == ropt->hdr->id) {
+				if (conf_ppp_verbose) {
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2, lopt, (uint8_t*)ropt->hdr);
+				}
+				r = lopt->h->recv_conf_req(lcp, lopt, (uint8_t*)ropt->hdr);
+				lopt->state = r;
+				ropt->state = r;
+				ropt->lopt = lopt;
+				if (r<ret)
+					ret = r;
+				break;
+			}
+		}
+		if (!ropt->lopt) {
+			if (conf_ppp_verbose) {
+				log_ppp_info2(" ");
+				print_ropt(ropt);
+			}
+			ropt->state=LCP_OPT_REJ;
+			ret=LCP_OPT_REJ;
+		}
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	/*list_for_each_entry(lopt,&lcp->options,entry)
+	{
+		if (lopt->state==LCP_OPT_NONE)
+		{
+			r=lopt->h->recv_conf_req(lcp,lopt,NULL);
+			lopt->state=r;
+			if (r<ret) ret=r;
+		}
+	}*/
+
+	return ret;
+}
+
+static void lcp_free_conf_req(struct ppp_lcp_t *lcp)
+{
+	struct recv_opt_t *ropt;
+
+	while (!list_empty(&lcp->ropt_list)) {
+		ropt = list_entry(lcp->ropt_list.next, typeof(*ropt), entry);
+		list_del(&ropt->entry);
+		_free(ropt);
+	}
+}
+
+static int lcp_recv_conf_rej(struct ppp_lcp_t *lcp, uint8_t *data, int size)
+{
+	struct lcp_opt_hdr_t *hdr;
+	struct lcp_option_t *lopt;
+	int res = 0;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [LCP ConfRej id=%x", lcp->fsm.recv_id);
+
+	if (lcp->fsm.recv_id != lcp->fsm.id) {
+		if (conf_ppp_verbose)
+			log_ppp_info2(": id mismatch ]\n");
+		return 0;
+	}
+
+	while (size > 0) {
+		hdr = (struct lcp_opt_hdr_t *)data;
+		
+		list_for_each_entry(lopt, &lcp->options, entry) {
+			if (lopt->id == hdr->id) {
+				if (conf_ppp_verbose) {
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2, lopt, (uint8_t*)hdr);
+				}
+				if (!lopt->h->recv_conf_rej)
+					res = -1;
+				else if (lopt->h->recv_conf_rej(lcp, lopt, data))
+					res = -1;
+				break;
+			}
+		}
+
+		data += hdr->len;
+		size -= hdr->len;
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	return res;
+}
+
+static int lcp_recv_conf_nak(struct ppp_lcp_t *lcp, uint8_t *data, int size)
+{
+	struct lcp_opt_hdr_t *hdr;
+	struct lcp_option_t *lopt;
+	int res = 0;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [LCP ConfNak id=%x", lcp->fsm.recv_id);
+
+	if (lcp->fsm.recv_id != lcp->fsm.id) {
+		if (conf_ppp_verbose)
+			log_ppp_info2(": id mismatch ]\n");
+		return 0;
+	}
+
+	while (size > 0) {
+		hdr = (struct lcp_opt_hdr_t *)data;
+		
+		list_for_each_entry(lopt,&lcp->options,entry) {
+			if (lopt->id == hdr->id) {
+				if (conf_ppp_verbose) {
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2, lopt, data);
+				}
+				if (lopt->h->recv_conf_nak && lopt->h->recv_conf_nak(lcp, lopt, data))
+					res = -1;
+				break;
+			}
+		}
+
+		data += hdr->len;
+		size -= hdr->len;
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	return res;
+}
+
+static int lcp_recv_conf_ack(struct ppp_lcp_t *lcp, uint8_t *data, int size)
+{
+	struct lcp_opt_hdr_t *hdr;
+	struct lcp_option_t *lopt;
+	int res=0;
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("recv [LCP ConfAck id=%x", lcp->fsm.recv_id);
+
+	if (lcp->fsm.recv_id != lcp->fsm.id) {
+		if (conf_ppp_verbose)
+			log_ppp_info2(": id mismatch ]\n");
+		return 0;
+	}
+
+	while (size > 0) {
+		hdr = (struct lcp_opt_hdr_t *)data;
+		
+		list_for_each_entry(lopt, &lcp->options, entry) {
+			if (lopt->id == hdr->id) {
+				if (conf_ppp_verbose) {
+					log_ppp_info2(" ");
+					lopt->h->print(log_ppp_info2, lopt, data);
+				}
+				if (!lopt->h->recv_conf_ack)
+					break;
+				if (lopt->h->recv_conf_ack(lcp, lopt, data))
+					res = -1;
+				break;
+			}
+		}
+
+		data += hdr->len;
+		size -= hdr->len;
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("]\n");
+
+	return res;
+}
+
+static void lcp_recv_echo_repl(struct ppp_lcp_t *lcp, uint8_t *data, int size)
+{
+	uint32_t magic = *(uint32_t *)data;
+
+	if (size != 4) {
+		log_ppp_error("lcp:echo: magic number size mismatch\n");
+		ppp_terminate(lcp->ppp, TERM_USER_ERROR, 0);
+	}
+
+	if (conf_ppp_verbose)
+		log_ppp_debug("recv [LCP EchoRep id=%x <magic %x>]\n", lcp->fsm.recv_id, magic);
+
+	if (magic == lcp->magic) {
+		log_ppp_error("lcp: echo: loop-back detected\n");
+		ppp_terminate(lcp->ppp, TERM_NAS_ERROR, 0);
+	}
+
+	lcp->echo_sent = 0;
+}
+
+static void send_echo_reply(struct ppp_lcp_t *lcp)
+{
+	struct lcp_hdr_t *hdr = (struct lcp_hdr_t*)lcp->ppp->chan_buf;
+	uint32_t magic = *(uint32_t *)(hdr + 1);
+
+	hdr->code = ECHOREP;
+	*(uint32_t *)(hdr + 1) = lcp->magic;
+
+	if (conf_ppp_verbose)
+		log_ppp_debug("send [LCP EchoRep id=%x <magic %x>]\n", hdr->id, magic);
+
+	ppp_chan_send(lcp->ppp, hdr, ntohs(hdr->len) + 2);
+}
+
+static void send_echo_request(struct triton_timer_t *t)
+{
+	struct ppp_lcp_t *lcp = container_of(t, typeof(*lcp), echo_timer);
+	struct lcp_echo_req_t
+	{
+		struct lcp_hdr_t hdr;
+		uint32_t magic;
+	} __attribute__((packed)) msg = {
+		.hdr.proto = htons(PPP_LCP),
+		.hdr.code = ECHOREQ,
+		.hdr.id = ++lcp->fsm.id,
+		.hdr.len = htons(8),
+		.magic = lcp->magic,
+	};
+
+	if (++lcp->echo_sent > lcp->echo_failure) {
+		log_ppp_warn("lcp: no echo reply\n");
+		ppp_terminate(lcp->ppp, TERM_USER_ERROR, 1);
+	} else {
+		if (conf_ppp_verbose)
+			log_ppp_debug("send [LCP EchoReq id=%x <magic %x>]\n", msg.hdr.id, msg.magic);
+		ppp_chan_send(lcp->ppp,&msg,ntohs(msg.hdr.len)+2);
+	}
+}
+
+static void start_echo(struct ppp_lcp_t *lcp)
+{
+	lcp->echo_interval = conf_echo_interval;
+	lcp->echo_failure = conf_echo_failure;
+
+	lcp->echo_timer.period = lcp->echo_interval * 1000;
+	lcp->echo_timer.expire = send_echo_request;
+	if (lcp->echo_timer.period && !lcp->echo_timer.tpd)
+		triton_timer_add(lcp->ppp->ctrl->ctx, &lcp->echo_timer, 0);
+}
+static void stop_echo(struct ppp_lcp_t *lcp)
+{
+	if (lcp->echo_timer.tpd)
+		triton_timer_del(&lcp->echo_timer);
+}
+
+static void send_term_req(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp=container_of(fsm,typeof(*lcp),fsm);
+	struct lcp_hdr_t hdr = {
+		.proto = htons(PPP_LCP),
+		.code = TERMREQ,
+		.id = ++lcp->fsm.id,
+		.len = htons(4),
+	};
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [LCP TermReq id=%i]\n", hdr.id);
+
+	ppp_chan_send(lcp->ppp, &hdr, 6);
+}
+
+static void send_term_ack(struct ppp_fsm_t *fsm)
+{
+	struct ppp_lcp_t *lcp = container_of(fsm, typeof(*lcp), fsm);
+	struct lcp_hdr_t hdr = {
+		.proto = htons(PPP_LCP),
+		.code = TERMACK,
+		.id = lcp->fsm.recv_id,
+		.len = htons(4),
+	};
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [LCP TermAck id=%i]\n", hdr.id);
+	
+	ppp_chan_send(lcp->ppp, &hdr, 6);
+}
+
+void lcp_send_proto_rej(struct ppp_t *ppp, uint16_t proto)
+{
+	struct ppp_lcp_t *lcp = container_of(ppp_find_layer_data(ppp, &lcp_layer), typeof(*lcp), ld);
+	struct rej_msg_t
+	{
+		struct lcp_hdr_t hdr;
+		uint16_t proto;
+	} __attribute__((packed)) msg = {
+		.hdr.proto = htons(PPP_LCP),
+		.hdr.code = PROTOREJ,
+		.hdr.id = ++lcp->fsm.id,
+		.hdr.len = htons(6),
+		.proto = ntohs(proto),
+	};
+
+	if (conf_ppp_verbose)
+		log_ppp_info2("send [LCP ProtoRej id=%i <%04x>]\n", msg.hdr.id, proto);
+
+	ppp_chan_send(lcp->ppp, &msg, sizeof(msg));
+}
+
+static void lcp_recv(struct ppp_handler_t*h)
+{
+	struct lcp_hdr_t *hdr;
+	struct ppp_lcp_t *lcp = container_of(h, typeof(*lcp), hnd);
+	int r;
+	char *term_msg;
+	
+	if (lcp->fsm.fsm_state == FSM_Initial || lcp->fsm.fsm_state == FSM_Closed || lcp->ppp->terminating) {
+		/*if (conf_ppp_verbose)
+			log_ppp_warn("LCP: discaring packet\n");
+		lcp_send_proto_rej(ccp->ppp, htons(PPP_CCP));*/
+		return;
+	}
+
+	if (lcp->ppp->chan_buf_size < PPP_HEADERLEN + 2) {
+		log_ppp_warn("LCP: short packet received\n");
+		return;
+	}
+
+	hdr = (struct lcp_hdr_t *)lcp->ppp->chan_buf;
+	if (ntohs(hdr->len) < PPP_HEADERLEN) {
+		log_ppp_warn("LCP: short packet received\n");
+		return;
+	}
+
+	lcp->fsm.recv_id = hdr->id;
+	switch(hdr->code) {
+		case CONFREQ:
+			r = lcp_recv_conf_req(lcp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
+			switch(r) {
+				case LCP_OPT_ACK:
+					ppp_fsm_recv_conf_req_ack(&lcp->fsm);
+					break;
+				case LCP_OPT_NAK:
+					ppp_fsm_recv_conf_req_nak(&lcp->fsm);
+					break;
+				case LCP_OPT_REJ:
+					ppp_fsm_recv_conf_req_rej(&lcp->fsm);
+					break;
+			}
+			lcp_free_conf_req(lcp);
+			if (r == LCP_OPT_FAIL)
+				ppp_terminate(lcp->ppp, TERM_USER_ERROR, 0);
+			break;
+		case CONFACK:
+			if (lcp_recv_conf_ack(lcp,(uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN))
+				ppp_terminate(lcp->ppp, TERM_USER_ERROR, 0);
+			else
+				if (lcp->fsm.recv_id != lcp->fsm.id)
+					break;
+				ppp_fsm_recv_conf_ack(&lcp->fsm);
+			break;
+		case CONFNAK:
+			lcp_recv_conf_nak(lcp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
+			if (lcp->fsm.recv_id != lcp->fsm.id)
+				break;
+			ppp_fsm_recv_conf_rej(&lcp->fsm);
+			break;
+		case CONFREJ:
+			if (lcp_recv_conf_rej(lcp,(uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN))
+				ppp_terminate(lcp->ppp, TERM_USER_ERROR, 0);
+			else
+				if (lcp->fsm.recv_id != lcp->fsm.id)
+					break;
+				ppp_fsm_recv_conf_rej(&lcp->fsm);
+			break;
+		case TERMREQ:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [LCP TermReq id=%x]\n", hdr->id);
+			ppp_fsm_recv_term_req(&lcp->fsm);
+			ppp_terminate(lcp->ppp, TERM_USER_REQUEST, 0);
+			break;
+		case TERMACK:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [LCP TermAck id=%x]\n", hdr->id);
+			ppp_fsm_recv_term_ack(&lcp->fsm);
+			break;
+		case CODEREJ:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [LCP CodeRej id=%x]\n", hdr->id);
+			ppp_fsm_recv_code_rej_bad(&lcp->fsm);
+			break;
+		case ECHOREQ:
+			if (conf_ppp_verbose)
+				log_ppp_debug("recv [LCP EchoReq id=%x <magic %x>]\n", hdr->id, *(uint32_t*)(hdr + 1));
+			send_echo_reply(lcp);
+			break;
+		case ECHOREP:
+			lcp_recv_echo_repl(lcp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
+			break;
+		case PROTOREJ:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [LCP ProtoRej id=%x <%04x>]\n", hdr->code, hdr->id, ntohs(*(uint16_t*)(hdr + 1)));
+			ppp_recv_proto_rej(lcp->ppp, ntohs(*(uint16_t *)(hdr + 1)));
+			break;
+		case IDENT:
+			if (conf_ppp_verbose) {
+				term_msg = _strndup((char*)(hdr + 1) + 4, ntohs(hdr->len) - 4 - 4);
+				log_ppp_info2("recv [LCP Ident id=%x <%s>]\n", hdr->id, term_msg);
+				_free(term_msg);
+			}
+			break;
+		default:
+			if (conf_ppp_verbose)
+				log_ppp_info2("recv [LCP Unknown %x]\n", hdr->code);
+			ppp_fsm_recv_unk(&lcp->fsm);
+			break;
+	}
+}
+
+int lcp_option_register(struct lcp_option_handler_t *h)
+{
+	/*struct lcp_option_drv_t *p;
+
+	list_for_each_entry(p,option_drv_list,entry)
+		if (p->id==h->id) 
+			return -1;*/
+	
+	list_add_tail(&h->entry, &option_handlers);
+
+	return 0;
+}
+
+static struct ppp_layer_t lcp_layer=
+{
+	.init   = lcp_layer_init,
+	.start  = lcp_layer_start,
+	.finish = lcp_layer_finish,
+	.free   = lcp_layer_free,
+};
+
+static void load_config(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("lcp", "echo-interval");
+	if (opt && atoi(opt) > 0)
+		conf_echo_interval = atoi(opt);
+
+	opt = conf_get_opt("lcp", "echo-failure");
+	if (opt && atoi(opt) > 0)
+		conf_echo_failure = atoi(opt);
+}
+
+static void __init lcp_init(void)
+{
+	load_config();
+
+	ppp_register_layer("lcp", &lcp_layer);
+
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+}
+
diff --git a/accel-pppd/ppp/ppp_lcp.h b/accel-pppd/ppp/ppp_lcp.h
new file mode 100644
index 0000000..6d67b69
--- /dev/null
+++ b/accel-pppd/ppp/ppp_lcp.h
@@ -0,0 +1,136 @@
+#ifndef PPP_LCP_H
+#define PPP_LCP_H
+
+#include <stdint.h>
+
+#include "triton.h"
+#include "ppp_fsm.h"
+/*
+ * Options.
+ */
+#define CI_VENDOR	0	/* Vendor Specific */
+#define CI_MRU		1	/* Maximum Receive Unit */
+#define CI_ASYNCMAP	2	/* Async Control Character Map */
+#define CI_AUTH    3	/* Authentication Type */
+#define CI_QUALITY	4	/* Quality Protocol */
+#define CI_MAGIC	5	/* Magic Number */
+#define CI_PCOMP	7	/* Protocol Field Compression */
+#define CI_ACCOMP 8	/* Address/Control Field Compression */
+#define CI_FCSALTERN	9	/* FCS-Alternatives */
+#define CI_SDP		10	/* Self-Describing-Pad */
+#define CI_NUMBERED	11	/* Numbered-Mode */
+#define CI_CALLBACK	13	/* callback */
+#define CI_MRRU		17	/* max reconstructed receive unit; multilink */
+#define CI_SSNHF	18	/* short sequence numbers for multilink */
+#define CI_EPDISC	19	/* endpoint discriminator */
+#define CI_MPPLUS	22	/* Multi-Link-Plus-Procedure */
+#define CI_LDISC	23	/* Link-Discriminator */
+#define CI_LCPAUTH	24	/* LCP Authentication */
+#define CI_COBS		25	/* Consistent Overhead Byte Stuffing */
+#define CI_PREFELIS	26	/* Prefix Elision */
+#define CI_MPHDRFMT	27	/* MP Header Format */
+#define CI_I18N		28	/* Internationalization */
+#define CI_SDL		29	/* Simple Data Link */
+
+struct lcp_hdr_t
+{
+	uint16_t proto;
+	uint8_t code;
+	uint8_t id;
+	uint16_t len;
+} __attribute__((packed));
+struct lcp_opt_hdr_t
+{
+	uint8_t id;
+	uint8_t len;
+} __attribute__((packed));
+struct lcp_opt8_t
+{
+	struct lcp_opt_hdr_t hdr;
+	uint8_t val;
+} __attribute__((packed));
+struct lcp_opt16_t
+{
+	struct lcp_opt_hdr_t hdr;
+	uint16_t val;
+} __attribute__((packed));
+struct lcp_opt32_t
+{
+	struct lcp_opt_hdr_t hdr;
+	uint32_t val;
+} __attribute__((packed));
+
+/*struct lcp_options_t
+{
+	int magic;
+	int mtu;
+	int mru;
+	int accomp; // 0 - disabled, 1 - enable, 2 - allow, disabled, 3 - allow,enabled
+	int pcomp;  // 0 - disabled, 1 - enable, 2 - allow, disabled, 3 - allow,enabled
+	// negotiated options;
+	int neg_mru;
+	int neg_mtu;
+	int neg_accomp; // -1 - rejected
+	int neg_pcomp;
+	int neg_auth[AUTH_MAX];
+};*/
+
+#define LCP_OPT_NONE  0
+#define LCP_OPT_ACK   1
+#define LCP_OPT_NAK  -1
+#define LCP_OPT_REJ  -2
+#define LCP_OPT_FAIL -3
+
+struct ppp_lcp_t;
+struct lcp_option_handler_t;
+
+struct lcp_option_t
+{
+	struct list_head entry;
+	int id;
+	int len;
+	int state;
+	int print:1;
+	struct lcp_option_handler_t *h;
+};
+
+struct lcp_option_handler_t
+{
+	struct list_head entry;
+	struct lcp_option_t* (*init)(struct ppp_lcp_t*);
+	int (*send_conf_req)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*);
+	int (*send_conf_rej)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*);
+	int (*send_conf_nak)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*);
+	int (*recv_conf_req)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*);
+	int (*recv_conf_rej)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*);
+	int (*recv_conf_nak)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*);
+	int (*recv_conf_ack)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*);
+	void (*free)(struct ppp_lcp_t*,struct lcp_option_t*);
+	void (*print)(void (*print)(const char *fmt,...), struct lcp_option_t*,uint8_t*);
+};
+
+struct ppp_lcp_t
+{
+	struct ppp_layer_data_t ld;
+	struct ppp_handler_t hnd;
+	struct ppp_fsm_t fsm;
+	struct ppp_t *ppp;
+	struct list_head options;
+
+	struct triton_timer_t echo_timer;
+	int echo_interval;
+	int echo_failure;
+	int echo_sent;
+	int magic;
+
+	struct list_head ropt_list; // last received ConfReq
+	int ropt_len;
+	
+	int conf_req_len;
+	int started:1;
+};
+
+int lcp_option_register(struct lcp_option_handler_t *h);
+
+#endif
+
diff --git a/accel-pppd/ppp/ppp_notify.c b/accel-pppd/ppp/ppp_notify.c
new file mode 100644
index 0000000..ad9fd1f
--- /dev/null
+++ b/accel-pppd/ppp/ppp_notify.c
@@ -0,0 +1,54 @@
+#include "ppp.h"
+
+static LIST_HEAD(notified_list);
+
+void __export ppp_register_notified(struct ppp_notified_t *n)
+{
+	list_add_tail(&n->entry, &notified_list);
+}
+
+void __export ppp_unregister_notified(struct ppp_notified_t *n)
+{
+	list_del(&n->entry);
+}
+
+void ppp_notify_starting(struct ppp_t *ppp)
+{
+	struct ppp_notified_t *n;
+
+	list_for_each_entry(n, &notified_list, entry) {
+		if (n->starting)
+			n->starting(n, ppp);
+	}
+}
+
+void ppp_notify_started(struct ppp_t *ppp)
+{
+	struct ppp_notified_t *n;
+
+	list_for_each_entry(n, &notified_list, entry) {
+		if (n->started)
+			n->started(n, ppp);
+	}
+}
+
+void ppp_notify_finished(struct ppp_t *ppp)
+{
+	struct ppp_notified_t *n;
+
+	list_for_each_entry(n, &notified_list, entry) {
+		if (n->finished)
+			n->finished(n, ppp);
+	}
+}
+
+void ppp_notify_finishing(struct ppp_t *ppp)
+{
+	struct ppp_notified_t *n;
+
+	list_for_each_entry(n, &notified_list, entry) {
+		if (n->finishing)
+			n->finishing(n, ppp);
+	}
+}
+
diff --git a/accel-pppd/ppp/ppp_pd.c b/accel-pppd/ppp/ppp_pd.c
new file mode 100644
index 0000000..f770208
--- /dev/null
+++ b/accel-pppd/ppp/ppp_pd.c
@@ -0,0 +1,14 @@
+#include "ppp.h"
+
+#include "memdebug.h"
+
+int ppp_store_pd(struct ppp_t *ppp, pd_key_t key, void *data)
+{
+	struct ppp_pd_t *pd;
+
+	list_for_each_entry(pd, &ppp->pd_list, entry)
+		if (pd->key == key)
+			return -1;
+	
+
+}
diff --git a/accel-pppd/pwdb.c b/accel-pppd/pwdb.c
new file mode 100644
index 0000000..4c0ab02
--- /dev/null
+++ b/accel-pppd/pwdb.c
@@ -0,0 +1,56 @@
+#include <stdlib.h>
+
+#include "triton.h"
+
+#include "pwdb.h"
+
+#include "memdebug.h"
+
+static LIST_HEAD(pwdb_handlers);
+
+int __export pwdb_check(struct ppp_t *ppp, const char *username, int type, ...)
+{
+	struct pwdb_t *pwdb;
+	int r, res = PWDB_NO_IMPL;
+	va_list args;
+
+	va_start(args, type);
+
+	list_for_each_entry(pwdb, &pwdb_handlers, entry) {
+		if (!pwdb->check)
+			continue;
+		r = pwdb->check(pwdb, ppp, username, type, args);
+		if (r == PWDB_NO_IMPL)
+			continue;
+		if (r == PWDB_SUCCESS)
+			return PWDB_SUCCESS;
+		res = r;
+	}
+
+	return res;
+}
+__export char *pwdb_get_passwd(struct ppp_t *ppp, const char *username)
+{
+	struct pwdb_t *pwdb;
+	char *r = NULL;
+
+	list_for_each_entry(pwdb, &pwdb_handlers, entry) {
+		if (!pwdb->get_passwd)
+			continue;
+		r = pwdb->get_passwd(pwdb, ppp, username);
+		if (r)
+			break;
+	}
+
+	return r;
+}
+
+void __export pwdb_register(struct pwdb_t *pwdb)
+{
+	list_add_tail(&pwdb->entry, &pwdb_handlers);
+}
+void __export pwdb_unregister(struct pwdb_t *pwdb)
+{
+	list_del(&pwdb->entry);
+}
+
diff --git a/accel-pppd/pwdb.h b/accel-pppd/pwdb.h
new file mode 100644
index 0000000..a1c2ced
--- /dev/null
+++ b/accel-pppd/pwdb.h
@@ -0,0 +1,27 @@
+#ifndef PWDB_H
+#define PWDB_H
+
+#include <stdarg.h>
+#include "list.h"
+
+struct ppp_t;
+
+#define PWDB_SUCCESS 0
+#define PWDB_DENIED  1
+#define PWDB_NO_IMPL 2
+
+struct pwdb_t
+{
+	struct list_head entry;
+	int (*check)(struct pwdb_t *, struct ppp_t *, const char *username, int type, va_list args);
+	char* (*get_passwd)(struct pwdb_t *, struct ppp_t *, const char *username);
+};
+
+int pwdb_check(struct ppp_t *, const char *username, int type, ...);
+char *pwdb_get_passwd(struct ppp_t *, const char *username);
+
+void pwdb_register(struct pwdb_t *);
+void pwdb_unregister(struct pwdb_t *);
+
+#endif
+
diff --git a/accel-pppd/radius/CMakeLists.txt b/accel-pppd/radius/CMakeLists.txt
new file mode 100644
index 0000000..322bee5
--- /dev/null
+++ b/accel-pppd/radius/CMakeLists.txt
@@ -0,0 +1,19 @@
+SET(sources
+	dict.c
+	req.c
+	packet.c
+	auth.c
+	acct.c
+	dm_coa.c
+	radius.c
+)
+
+ADD_DEFINITIONS(-DDICTIONARY="${CMAKE_INSTALL_PREFIX}/share/accel-ppp/radius/dictionary")
+
+ADD_LIBRARY(radius SHARED ${sources})
+
+INSTALL(TARGETS radius
+	LIBRARY DESTINATION lib/accel-ppp
+)
+FILE(GLOB dict "${CMAKE_CURRENT_SOURCE_DIR}/dict/*")
+INSTALL(FILES ${dict} DESTINATION share/accel-ppp/radius)
diff --git a/accel-pppd/radius/acct.c b/accel-pppd/radius/acct.c
new file mode 100644
index 0000000..ddb3e08
--- /dev/null
+++ b/accel-pppd/radius/acct.c
@@ -0,0 +1,328 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <netinet/in.h>
+#include "linux_ppp.h"
+
+#include <openssl/md5.h>
+
+#include "log.h"
+#include "radius_p.h"
+
+#include "memdebug.h"
+
+#define STAT_UPDATE_INTERVAL (10 * 60 * 1000)
+
+static int req_set_RA(struct rad_req_t *req, const char *secret)
+{
+	MD5_CTX ctx;
+	
+	if (rad_packet_build(req->pack, req->RA))
+		return -1;
+
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, req->pack->buf, req->pack->len);
+	MD5_Update(&ctx, secret, strlen(secret));
+	MD5_Final(req->pack->buf + 4, &ctx);
+
+	return 0;
+}
+
+static void req_set_stat(struct rad_req_t *req, struct ppp_t *ppp)
+{
+	struct ifpppstatsreq ifreq;
+	time_t stop_time;
+	
+	if (ppp->stop_time)
+		stop_time = ppp->stop_time;
+	else
+		time(&stop_time);
+
+	memset(&ifreq, 0, sizeof(ifreq));
+	ifreq.stats_ptr = (void *)&ifreq.stats;
+	strcpy(ifreq.ifr__name, ppp->ifname);
+
+	if (ioctl(sock_fd, SIOCGPPPSTATS, &ifreq)) {
+		log_ppp_error("radius: failed to get ppp statistics: %s\n", strerror(errno));
+		return;
+	}
+
+	if (ifreq.stats.p.ppp_ibytes < req->rpd->acct_input_octets)
+		req->rpd->acct_input_gigawords++;
+	req->rpd->acct_input_octets = ifreq.stats.p.ppp_ibytes;
+
+	if (ifreq.stats.p.ppp_obytes < req->rpd->acct_output_octets)
+		req->rpd->acct_output_gigawords++;
+	req->rpd->acct_output_octets = ifreq.stats.p.ppp_obytes;
+
+	rad_packet_change_int(req->pack, NULL, "Acct-Input-Octets", ifreq.stats.p.ppp_ibytes);
+	rad_packet_change_int(req->pack, NULL, "Acct-Output-Octets", ifreq.stats.p.ppp_obytes);
+	rad_packet_change_int(req->pack, NULL, "Acct-Input-Packets", ifreq.stats.p.ppp_ipackets);
+	rad_packet_change_int(req->pack, NULL, "Acct-Output-Packets", ifreq.stats.p.ppp_opackets);
+	rad_packet_change_int(req->pack, NULL, "Acct-Input-Gigawords", req->rpd->acct_input_gigawords);
+	rad_packet_change_int(req->pack, NULL, "Acct-Output-Gigawords", req->rpd->acct_output_gigawords);
+	rad_packet_change_int(req->pack, NULL, "Acct-Session-Time", stop_time - ppp->start_time);
+}
+
+static int rad_acct_read(struct triton_md_handler_t *h)
+{
+	struct rad_req_t *req = container_of(h, typeof(*req), hnd);
+	struct rad_packet_t *pack;
+	int r;
+
+	if (req->reply) {
+		rad_packet_free(req->reply);
+		req->reply = NULL;
+	}
+
+	while (1) {
+		r = rad_packet_recv(h->fd, &pack, NULL);
+
+		if (pack) {
+			if (req->reply)
+				rad_packet_free(req->reply);
+			req->reply = pack;
+			if (conf_interim_verbose) {
+				log_ppp_info2("recv ");
+				rad_packet_print(req->reply, log_ppp_info2);
+			}
+		}
+
+		if (r)
+			break;
+	}
+
+	if (!req->reply)
+		return 0;
+
+	if (req->reply->code != CODE_ACCOUNTING_RESPONSE || req->reply->id != req->pack->id) {
+		rad_packet_free(req->reply);
+		req->reply = NULL;
+	} else {
+		if (req->timeout.tpd)
+			triton_timer_del(&req->timeout);
+	}
+
+	return 0;
+}
+
+static void rad_acct_timeout(struct triton_timer_t *t)
+{
+	struct rad_req_t *req = container_of(t, typeof(*req), timeout);
+	time_t ts, dt;
+
+	__sync_add_and_fetch(&stat_interim_lost, 1);
+	
+	time(&ts);
+
+	dt = ts - req->rpd->acct_timestamp;
+
+	if (dt > conf_acct_timeout) {
+		log_ppp_warn("radius:acct: no response, terminating session...\n");
+		ppp_terminate(req->rpd->ppp, TERM_NAS_ERROR, 0);
+		return;
+	}
+	if (dt > conf_acct_timeout / 2) {
+		req->timeout.period += 1000;
+		triton_timer_mod(&req->timeout, 0);
+	} else if (dt > conf_acct_timeout / 3) {
+		if (req->timeout.period != conf_timeout * 2000) {
+			req->timeout.period = conf_timeout * 2000;
+			triton_timer_mod(&req->timeout, 0);
+		}
+	}
+
+	req->pack->id++;
+	
+	rad_packet_change_int(req->pack, NULL, "Acct-Delay-Time", dt);
+	req_set_RA(req, conf_acct_secret);
+	rad_req_send(req, conf_interim_verbose);
+	__sync_add_and_fetch(&stat_interim_sent, 1);
+}
+
+static void rad_acct_interim_update(struct triton_timer_t *t)
+{
+	struct radius_pd_t *rpd = container_of(t, typeof(*rpd), acct_interim_timer);
+
+	if (rpd->acct_req->timeout.tpd)
+		return;
+
+	req_set_stat(rpd->acct_req, rpd->ppp);
+	if (!rpd->acct_interim_interval)
+		return;
+
+	time(&rpd->acct_timestamp);
+	rpd->acct_req->pack->id++;
+
+	rad_packet_change_val(rpd->acct_req->pack, NULL, "Acct-Status-Type", "Interim-Update");
+	rad_packet_change_int(rpd->acct_req->pack, NULL, "Acct-Delay-Time", 0);
+	req_set_RA(rpd->acct_req, conf_acct_secret);
+	rad_req_send(rpd->acct_req, conf_interim_verbose);
+	__sync_add_and_fetch(&stat_interim_sent, 1);
+	if (conf_acct_timeout) {
+		rpd->acct_req->timeout.period = conf_timeout * 1000;
+		triton_timer_add(rpd->ppp->ctrl->ctx, &rpd->acct_req->timeout, 0);
+	}
+}
+
+int rad_acct_start(struct radius_pd_t *rpd)
+{
+	int i;
+	time_t ts;
+
+	rpd->acct_req = rad_req_alloc(rpd, CODE_ACCOUNTING_REQUEST, rpd->ppp->username);
+	if (!rpd->acct_req) {
+		log_emerg("radius: out of memory\n");
+		return -1;
+	}
+
+	if (rad_req_acct_fill(rpd->acct_req)) {
+		log_ppp_error("radius:acct: failed to fill accounting attributes\n");
+		goto out_err;
+	}
+
+	//if (rad_req_add_val(rpd->acct_req, "Acct-Status-Type", "Start", 4))
+	//	goto out_err;
+	//if (rad_req_add_str(rpd->acct_req, "Acct-Session-Id", rpd->ppp->sessionid, PPP_SESSIONID_LEN, 1))
+	//	goto out_err;
+
+	if (rpd->acct_req->reply) {
+		rad_packet_free(rpd->acct_req->reply);
+		rpd->acct_req->reply = NULL;
+	}
+
+	time(&rpd->acct_timestamp);
+	
+	for (i = 0; i < conf_max_try; i++) {
+		time(&ts);
+		rad_packet_change_int(rpd->acct_req->pack, NULL, "Acct-Delay-Time", ts - rpd->acct_timestamp);
+		if (req_set_RA(rpd->acct_req, conf_acct_secret))
+			goto out_err;
+		if (rad_req_send(rpd->acct_req, conf_verbose))
+			goto out_err;
+		__sync_add_and_fetch(&stat_acct_sent, 1);
+		rad_req_wait(rpd->acct_req, conf_timeout);
+		if (!rpd->acct_req->reply) {
+			rpd->acct_req->pack->id++;
+			__sync_add_and_fetch(&stat_acct_lost, 1);
+			continue;
+		}
+		if (rpd->acct_req->reply->id != rpd->acct_req->pack->id || rpd->acct_req->reply->code != CODE_ACCOUNTING_RESPONSE) {
+			rad_packet_free(rpd->acct_req->reply);
+			rpd->acct_req->reply = NULL;
+			rpd->acct_req->pack->id++;
+			__sync_add_and_fetch(&stat_acct_lost, 1);
+		} else
+			break;
+	}
+
+	if (!rpd->acct_req->reply) {
+		log_ppp_warn("radius:acct_start: no response\n");
+		goto out_err;
+	}
+	
+	rpd->acct_req->hnd.read = rad_acct_read;
+
+	triton_md_register_handler(rpd->ppp->ctrl->ctx, &rpd->acct_req->hnd);
+	if (triton_md_enable_handler(&rpd->acct_req->hnd, MD_MODE_READ))
+		goto out_err;
+	
+	rpd->acct_req->timeout.expire = rad_acct_timeout;
+	rpd->acct_req->timeout.period = conf_timeout * 1000;
+	
+	rpd->acct_interim_timer.expire = rad_acct_interim_update;
+	rpd->acct_interim_timer.period = rpd->acct_interim_interval ? rpd->acct_interim_interval * 1000 : STAT_UPDATE_INTERVAL;
+	if (rpd->acct_interim_interval && triton_timer_add(rpd->ppp->ctrl->ctx, &rpd->acct_interim_timer, 0)) {
+		triton_md_unregister_handler(&rpd->acct_req->hnd);
+		triton_timer_del(&rpd->acct_req->timeout);
+		goto out_err;
+	}
+	return 0;
+
+out_err:
+	rad_req_free(rpd->acct_req);
+	rpd->acct_req = NULL;
+	return -1;
+}
+
+void rad_acct_stop(struct radius_pd_t *rpd)
+{
+	int i;
+	time_t ts;
+
+	if (rpd->acct_interim_timer.tpd)
+		triton_timer_del(&rpd->acct_interim_timer);
+
+	if (rpd->acct_req) {
+		triton_md_unregister_handler(&rpd->acct_req->hnd);
+		if (rpd->acct_req->timeout.tpd)
+			triton_timer_del(&rpd->acct_req->timeout);
+
+		switch (rpd->ppp->terminate_cause) {
+			case TERM_USER_REQUEST:
+				rad_packet_add_val(rpd->acct_req->pack, NULL, "Acct-Terminate-Cause", "User-Request");
+				break;
+			case TERM_SESSION_TIMEOUT:
+				rad_packet_add_val(rpd->acct_req->pack, NULL, "Acct-Terminate-Cause", "Session-Timeout");
+				break;
+			case TERM_ADMIN_RESET:
+				rad_packet_add_val(rpd->acct_req->pack, NULL, "Acct-Terminate-Cause", "Admin-Reset");
+				break;
+			case TERM_USER_ERROR:
+			case TERM_AUTH_ERROR:
+				rad_packet_add_val(rpd->acct_req->pack, NULL, "Acct-Terminate-Cause", "User-Error");
+				break;
+			case TERM_NAS_ERROR:
+				rad_packet_add_val(rpd->acct_req->pack, NULL, "Acct-Terminate-Cause", "NAS-Error");
+				break;
+			case TERM_NAS_REQUEST:
+				rad_packet_add_val(rpd->acct_req->pack, NULL, "Acct-Terminate-Cause", "NAS-Request");
+				break;
+			case TERM_NAS_REBOOT:
+				rad_packet_add_val(rpd->acct_req->pack, NULL, "Acct-Terminate-Cause", "NAS-Reboot");
+				break;
+		}
+		rad_packet_change_val(rpd->acct_req->pack, NULL, "Acct-Status-Type", "Stop");
+		req_set_stat(rpd->acct_req, rpd->ppp);
+		req_set_RA(rpd->acct_req, conf_acct_secret);
+		/// !!! rad_req_add_val(rpd->acct_req, "Acct-Terminate-Cause", "");
+		
+		if (rpd->acct_req->reply) {
+			rad_packet_free(rpd->acct_req->reply);
+			rpd->acct_req->reply = NULL;
+		}
+	
+		time(&rpd->acct_timestamp);
+
+		for(i = 0; i < conf_max_try; i++) {
+			time(&ts);
+			rad_packet_change_int(rpd->acct_req->pack, NULL, "Acct-Delay-Time", ts - rpd->acct_timestamp);
+			rpd->acct_req->pack->id++;
+			if (req_set_RA(rpd->acct_req, conf_acct_secret))
+				break;
+			if (rad_req_send(rpd->acct_req, conf_verbose))
+				break;
+			__sync_add_and_fetch(&stat_acct_sent, 1);
+			rad_req_wait(rpd->acct_req, conf_timeout);
+			if (!rpd->acct_req->reply) {
+				__sync_add_and_fetch(&stat_acct_lost, 1);
+				continue;
+			}
+			if (rpd->acct_req->reply->id != rpd->acct_req->pack->id || rpd->acct_req->reply->code != CODE_ACCOUNTING_RESPONSE) {
+				rad_packet_free(rpd->acct_req->reply);
+				rpd->acct_req->reply = NULL;
+				__sync_add_and_fetch(&stat_acct_lost, 1);
+			} else
+				break;
+		}
+		if (!rpd->acct_req->reply)
+			log_ppp_warn("radius:acct_stop: no response\n");
+
+		rad_req_free(rpd->acct_req);
+		rpd->acct_req = NULL;
+	}
+}
+
diff --git a/accel-pppd/radius/attr_defs.h b/accel-pppd/radius/attr_defs.h
new file mode 100644
index 0000000..e9b617e
--- /dev/null
+++ b/accel-pppd/radius/attr_defs.h
@@ -0,0 +1,287 @@
+#define User_Name 1
+#define User_Password 2
+#define CHAP_Password 3
+#define NAS_IP_Address 4
+#define NAS_Port 5
+#define Service_Type 6
+#define Framed_Protocol 7
+#define Framed_IP_Address 8
+#define Framed_IP_Netmask 9
+#define Framed_Routing 10
+#define Filter_Id 11
+#define Framed_MTU 12
+#define Framed_Compression 13
+#define Login_IP_Host 14
+#define Login_Service 15
+#define Login_TCP_Port 16
+#define Reply_Message 18
+#define Callback_Number 19
+#define Callback_Id 20
+#define Framed_Route 22
+#define Framed_IPX_Network 23
+#define State 24
+#define Class 25
+#define Vendor_Specific 26
+#define Session_Timeout 27
+#define Idle_Timeout 28
+#define Termination_Action 29
+#define Called_Station_Id 30
+#define Calling_Station_Id 31
+#define NAS_Identifier 32
+#define Proxy_State 33
+#define Login_LAT_Service 34
+#define Login_LAT_Node 35
+#define Login_LAT_Group 36
+#define Framed_AppleTalk_Link 37
+#define Framed_AppleTalk_Network 38
+#define Framed_AppleTalk_Zone 39
+#define CHAP_Challenge 60
+#define NAS_Port_Type 61
+#define Port_Limit 62
+#define Login_LAT_Port 63
+#define Service_Type_Login_User 1
+#define Service_Type_Framed_User 2
+#define Service_Type_Callback_Login_User 3
+#define Service_Type_Callback_Framed_User 4
+#define Service_Type_Outbound_User 5
+#define Service_Type_Administrative_User 6
+#define Service_Type_NAS_Prompt_User 7
+#define Service_Type_Authenticate_Only 8
+#define Service_Type_Callback_NAS_Prompt 9
+#define Service_Type_Call_Check 10
+#define Service_Type_Callback_Administrative 11
+#define Framed_Protocol_PPP 1
+#define Framed_Protocol_SLIP 2
+#define Framed_Protocol_ARAP 3
+#define Framed_Protocol_Gandalf_SLML 4
+#define Framed_Protocol_Xylogics_IPX_SLIP 5
+#define Framed_Protocol_X_75_Synchronous 6
+#define Framed_Routing_None 0
+#define Framed_Routing_Broadcast 1
+#define Framed_Routing_Listen 2
+#define Framed_Routing_Broadcast_Listen 3
+#define Framed_Compression_None 0
+#define Framed_Compression_Van_Jacobson_TCP_IP 1
+#define Framed_Compression_IPX_Header_Compression 2
+#define Framed_Compression_Stac_LZS 3
+#define Login_Service_Telnet 0
+#define Login_Service_Rlogin 1
+#define Login_Service_TCP_Clear 2
+#define Login_Service_PortMaster 3
+#define Login_Service_LAT 4
+#define Login_Service_X25_PAD 5
+#define Login_Service_X25_T3POS 6
+#define Login_Service_TCP_Clear_Quiet 8
+#define Login_TCP_Port_Telnet 23
+#define Login_TCP_Port_Rlogin 513
+#define Login_TCP_Port_Rsh 514
+#define Termination_Action_Default 0
+#define Termination_Action_RADIUS_Request 1
+#define NAS_Port_Type_Async 0
+#define NAS_Port_Type_Sync 1
+#define NAS_Port_Type_ISDN 2
+#define NAS_Port_Type_ISDN_V120 3
+#define NAS_Port_Type_ISDN_V110 4
+#define NAS_Port_Type_Virtual 5
+#define NAS_Port_Type_PIAFS 6
+#define NAS_Port_Type_HDLC_Clear_Channel 7
+#define NAS_Port_Type_X_25 8
+#define NAS_Port_Type_X_75 9
+#define NAS_Port_Type_G_3_Fax 10
+#define NAS_Port_Type_SDSL 11
+#define NAS_Port_Type_ADSL_CAP 12
+#define NAS_Port_Type_ADSL_DMT 13
+#define NAS_Port_Type_IDSL 14
+#define NAS_Port_Type_Ethernet 15
+#define NAS_Port_Type_xDSL 16
+#define NAS_Port_Type_Cable 17
+#define NAS_Port_Type_Wireless_Other 18
+#define NAS_Port_Type_Wireless_802_11 19
+#define Acct_Status_Type 40
+#define Acct_Delay_Time 41
+#define Acct_Input_Octets 42
+#define Acct_Output_Octets 43
+#define Acct_Session_Id 44
+#define Acct_Authentic 45
+#define Acct_Session_Time 46
+#define Acct_Input_Packets 47
+#define Acct_Output_Packets 48
+#define Acct_Terminate_Cause 49
+#define Acct_Multi_Session_Id 50
+#define Acct_Link_Count 51
+#define Acct_Status_Type_Start 1
+#define Acct_Status_Type_Stop 2
+#define Acct_Status_Type_Alive 3
+#define Acct_Status_Type_Interim_Update 3
+#define Acct_Status_Type_Accounting_On 7
+#define Acct_Status_Type_Accounting_Off 8
+#define Acct_Status_Type_Failed 15
+#define Acct_Authentic_RADIUS 1
+#define Acct_Authentic_Local 2
+#define Acct_Authentic_Remote 3
+#define Acct_Authentic_Diameter 4
+#define Acct_Terminate_Cause_User_Request 1
+#define Acct_Terminate_Cause_Lost_Carrier 2
+#define Acct_Terminate_Cause_Lost_Service 3
+#define Acct_Terminate_Cause_Idle_Timeout 4
+#define Acct_Terminate_Cause_Session_Timeout 5
+#define Acct_Terminate_Cause_Admin_Reset 6
+#define Acct_Terminate_Cause_Admin_Reboot 7
+#define Acct_Terminate_Cause_Port_Error 8
+#define Acct_Terminate_Cause_NAS_Error 9
+#define Acct_Terminate_Cause_NAS_Request 10
+#define Acct_Terminate_Cause_NAS_Reboot 11
+#define Acct_Terminate_Cause_Port_Unneeded 12
+#define Acct_Terminate_Cause_Port_Preempted 13
+#define Acct_Terminate_Cause_Port_Suspended 14
+#define Acct_Terminate_Cause_Service_Unavailable 15
+#define Acct_Terminate_Cause_Callback 16
+#define Acct_Terminate_Cause_User_Error 17
+#define Acct_Terminate_Cause_Host_Request 18
+#define Acct_Tunnel_Connection 68
+#define Acct_Tunnel_Packets_Lost 86
+#define Acct_Status_Type_Tunnel_Start 9
+#define Acct_Status_Type_Tunnel_Stop 10
+#define Acct_Status_Type_Tunnel_Reject 11
+#define Acct_Status_Type_Tunnel_Link_Start 12
+#define Acct_Status_Type_Tunnel_Link_Stop 13
+#define Acct_Status_Type_Tunnel_Link_Reject 14
+#define Tunnel_Type 64
+#define Tunnel_Medium_Type 65
+#define Tunnel_Client_Endpoint 66
+#define Tunnel_Server_Endpoint 67
+#define Tunnel_Password 69
+#define Tunnel_Private_Group_Id 81
+#define Tunnel_Assignment_Id 82
+#define Tunnel_Preference 83
+#define Tunnel_Client_Auth_Id 90
+#define Tunnel_Server_Auth_Id 91
+#define Tunnel_Type_PPTP 1
+#define Tunnel_Type_L2F 2
+#define Tunnel_Type_L2TP 3
+#define Tunnel_Type_ATMP 4
+#define Tunnel_Type_VTP 5
+#define Tunnel_Type_AH 6
+#define Tunnel_Type_IP 7
+#define Tunnel_Type_MIN_IP 8
+#define Tunnel_Type_ESP 9
+#define Tunnel_Type_GRE 10
+#define Tunnel_Type_DVS 11
+#define Tunnel_Type_IP_in_IP 12
+#define Tunnel_Medium_Type_IP 1
+#define Tunnel_Medium_Type_IPv4 1
+#define Tunnel_Medium_Type_IPv6 2
+#define Tunnel_Medium_Type_NSAP 3
+#define Tunnel_Medium_Type_HDLC 4
+#define Tunnel_Medium_Type_BBN_1822 5
+#define Tunnel_Medium_Type_IEEE_802 6
+#define Tunnel_Medium_Type_E_163 7
+#define Tunnel_Medium_Type_E_164 8
+#define Tunnel_Medium_Type_F_69 9
+#define Tunnel_Medium_Type_X_121 10
+#define Tunnel_Medium_Type_IPX 11
+#define Tunnel_Medium_Type_Appletalk 12
+#define Tunnel_Medium_Type_DecNet_IV 13
+#define Tunnel_Medium_Type_Banyan_Vines 14
+#define Tunnel_Medium_Type_E_164_NSAP 15
+#define Acct_Input_Gigawords 52
+#define Acct_Output_Gigawords 53
+#define Event_Timestamp 55
+#define ARAP_Password 70
+#define ARAP_Features 71
+#define ARAP_Zone_Access 72
+#define ARAP_Security 73
+#define ARAP_Security_Data 74
+#define Password_Retry 75
+#define Prompt 76
+#define Connect_Info 77
+#define Configuration_Token 78
+#define EAP_Message 79
+#define Message_Authenticator 80
+#define ARAP_Challenge_Response 84
+#define Acct_Interim_Interval 85
+#define NAS_Port_Id 87
+#define Framed_Pool 88
+#define ARAP_Zone_Access_Default_Zone 1
+#define ARAP_Zone_Access_Zone_Filter_Inclusive 2
+#define ARAP_Zone_Access_Zone_Filter_Exclusive 4
+#define Prompt_No_Echo 0
+#define Prompt_Echo 1
+#define Error_Cause 101
+#define Service_Type_Authorize_Only 17
+#define Error_Cause_Residual_Context_Removed 201
+#define Error_Cause_Invalid_EAP_Packet 202
+#define Error_Cause_Unsupported_Attribute 401
+#define Error_Cause_Missing_Attribute 402
+#define Error_Cause_NAS_Identification_Mismatch 403
+#define Error_Cause_Invalid_Request 404
+#define Error_Cause_Unsupported_Service 405
+#define Error_Cause_Unsupported_Extension 406
+#define Error_Cause_Administratively_Prohibited 501
+#define Error_Cause_Proxy_Request_Not_Routable 502
+#define Error_Cause_Session_Context_Not_Found 503
+#define Error_Cause_Session_Context_Not_Removable 504
+#define Error_Cause_Proxy_Processing_Error 505
+#define Error_Cause_Resources_Unavailable 506
+#define Error_Cause_Request_Initiated 507
+#define Acct_Terminate_Cause_Supplicant_Restart 19
+#define Acct_Terminate_Cause_Reauthentication_Failure 20
+#define Acct_Terminate_Cause_Port_Reinit 21
+#define Acct_Terminate_Cause_Port_Disabled 22
+#define NAS_Port_Type_Token_Ring 20
+#define NAS_Port_Type_FDDI 21
+#define Tunnel_Type_VLAN 13
+#define EAP_Key_Name 102
+#define Chargeable_User_Identity 89
+#define Error_Cause_Invalid_Attribute_Value 407
+#define Error_Cause_Multiple_Session_Selection_Unsupported 508
+#define Vendor_Microsoft 311
+#define MS_CHAP_Response 1
+#define MS_CHAP_Error 2
+#define MS_CHAP_CPW_1 3
+#define MS_CHAP_CPW_2 4
+#define MS_CHAP_LM_Enc_PW 5
+#define MS_CHAP_NT_Enc_PW 6
+#define MS_MPPE_Encryption_Policy 7
+#define MS_MPPE_Encryption_Type 8
+#define MS_MPPE_Encryption_Types 8
+#define MS_RAS_Vendor 9
+#define MS_CHAP_Domain 10
+#define MS_CHAP_Challenge 11
+#define MS_CHAP_MPPE_Keys 12
+#define MS_BAP_Usage 13
+#define MS_Link_Utilization_Threshold 14
+#define MS_Link_Drop_Time_Limit 15
+#define MS_MPPE_Send_Key 16
+#define MS_MPPE_Recv_Key 17
+#define MS_RAS_Version 18
+#define MS_Old_ARAP_Password 19
+#define MS_New_ARAP_Password 20
+#define MS_ARAP_PW_Change_Reason 21
+#define MS_Filter 22
+#define MS_Acct_Auth_Type 23
+#define MS_Acct_EAP_Type 24
+#define MS_CHAP2_Response 25
+#define MS_CHAP2_Success 26
+#define MS_CHAP2_CPW 27
+#define MS_Primary_DNS_Server 28
+#define MS_Secondary_DNS_Server 29
+#define MS_Primary_NBNS_Server 30
+#define MS_Secondary_NBNS_Server 31
+#define MS_BAP_Usage_Not_Allowed 0
+#define MS_BAP_Usage_Allowed 1
+#define MS_BAP_Usage_Required 2
+#define MS_ARAP_PW_Change_Reason_Just_Change_Password 1
+#define MS_ARAP_PW_Change_Reason_Expired_Password 2
+#define MS_ARAP_PW_Change_Reason_Admin_Requires_Password_Change 3
+#define MS_ARAP_PW_Change_Reason_Password_Too_Short 4
+#define MS_Acct_Auth_Type_PAP 1
+#define MS_Acct_Auth_Type_CHAP 2
+#define MS_Acct_Auth_Type_MS_CHAP_1 3
+#define MS_Acct_Auth_Type_MS_CHAP_2 4
+#define MS_Acct_Auth_Type_EAP 5
+#define MS_Acct_EAP_Type_MD5 4
+#define MS_Acct_EAP_Type_OTP 5
+#define MS_Acct_EAP_Type_Generic_Token_Card 6
+#define MS_Acct_EAP_Type_TLS 13
+#define Traffic_Shape_in 231
diff --git a/accel-pppd/radius/auth.c b/accel-pppd/radius/auth.c
new file mode 100644
index 0000000..692830e
--- /dev/null
+++ b/accel-pppd/radius/auth.c
@@ -0,0 +1,497 @@
+#include <stdlib.h>
+#include <string.h>
+#include <openssl/md5.h>
+#include <openssl/sha.h>
+
+#include "triton.h"
+#include "events.h"
+#include "log.h"
+#include "pwdb.h"
+
+#include "radius_p.h"
+#include "attr_defs.h"
+
+#include "memdebug.h"
+
+static int decrypt_chap_mppe_keys(struct rad_req_t *req, struct rad_attr_t *attr, const uint8_t *challenge, uint8_t *key)
+{
+	MD5_CTX md5_ctx;
+	SHA_CTX sha1_ctx;
+	uint8_t md5[MD5_DIGEST_LENGTH];
+	uint8_t sha1[SHA_DIGEST_LENGTH];
+	uint8_t plain[32];
+	int i;
+	
+	if (attr->len != 32) {
+		log_ppp_warn("radius: %s: incorrect attribute length (%i)\n", attr->attr->name, attr->len);
+		return -1;
+	}
+
+	memcpy(plain, attr->val.octets, 32);
+
+	MD5_Init(&md5_ctx);
+	MD5_Update(&md5_ctx, conf_auth_secret, strlen(conf_auth_secret));
+	MD5_Update(&md5_ctx, req->pack->buf + 4, 16);
+	MD5_Final(md5, &md5_ctx);
+
+	for (i = 0; i < 16; i++)
+		plain[i] ^= md5[i];
+	
+	MD5_Init(&md5_ctx);
+	MD5_Update(&md5_ctx, conf_auth_secret, strlen(conf_auth_secret));
+	MD5_Update(&md5_ctx, attr->val.octets, 16);
+	MD5_Final(md5, &md5_ctx);
+
+	for (i = 0; i < 16; i++)
+		plain[i + 16] ^= md5[i];
+	
+	SHA1_Init(&sha1_ctx);
+	SHA1_Update(&sha1_ctx, plain + 8, 16);
+	SHA1_Update(&sha1_ctx, plain + 8, 16);
+	SHA1_Update(&sha1_ctx, challenge, 8);
+	SHA1_Final(sha1, &sha1_ctx);
+
+	memcpy(key, sha1, 16);
+
+	return 0;
+}
+
+static int decrypt_mppe_key(struct rad_req_t *req, struct rad_attr_t *attr, uint8_t *key)
+{
+	MD5_CTX md5_ctx;
+	uint8_t md5[16];
+	uint8_t plain[32];
+	int i;
+	
+	if (attr->len != 34) {
+		log_ppp_warn("radius: %s: incorrect attribute length (%i)\n", attr->attr->name, attr->len);
+		return -1;
+	}
+
+	if ((attr->val.octets[0] & 0x80) == 0) {
+		log_ppp_warn("radius: %s: incorrect salt value (%x)\n", attr->attr->name, attr->len);
+		return -1;
+	}
+
+	MD5_Init(&md5_ctx);
+	MD5_Update(&md5_ctx, conf_auth_secret, strlen(conf_auth_secret));
+	MD5_Update(&md5_ctx, req->pack->buf + 4, 16);
+	MD5_Update(&md5_ctx, attr->val.octets, 2);
+	MD5_Final(md5, &md5_ctx);
+
+	memcpy(plain, attr->val.octets + 2, 32);
+
+	for (i = 0; i < 16; i++)
+		plain[i] ^= md5[i];
+	
+	if (plain[0] != 16) {
+		log_ppp_warn("radius: %s: incorrect key length (%i)\n", attr->attr->name, plain[0]);
+		return -1;
+	}
+
+	MD5_Init(&md5_ctx);
+	MD5_Update(&md5_ctx, conf_auth_secret, strlen(conf_auth_secret));
+	MD5_Update(&md5_ctx, attr->val.octets + 2, 16);
+	MD5_Final(md5, &md5_ctx);
+
+	plain[16] ^= md5[0];
+
+	memcpy(key, plain + 1, 16);
+
+	return 0;
+}
+
+
+static uint8_t* encrypt_password(const char *passwd, const char *secret, const uint8_t *RA, int *epasswd_len)
+{
+	uint8_t *epasswd;
+	int i, j, chunk_cnt;
+	uint8_t b[16], c[16];
+	MD5_CTX ctx;
+
+	if (strlen(passwd))
+		chunk_cnt = (strlen(passwd) - 1) / 16 + 1;
+	else {
+		*epasswd_len = 0;
+		return (uint8_t *)1;
+	}
+	
+	epasswd = _malloc(chunk_cnt * 16);
+	if (!epasswd) {
+		log_emerg("radius: out of memory\n");
+		return NULL;
+	}
+
+	memset(epasswd, 0, chunk_cnt * 16);
+	memcpy(epasswd, passwd, strlen(passwd));
+	memcpy(c, RA, 16);
+
+	for (i = 0; i < chunk_cnt; i++) {
+		MD5_Init(&ctx);
+		MD5_Update(&ctx, secret, strlen(secret));
+		MD5_Update(&ctx, c, 16);
+		MD5_Final(b, &ctx);
+	
+		for(j = 0; j < 16; j++)
+			epasswd[i * 16 + j] ^= b[j];
+
+		memcpy(c, epasswd + i * 16, 16);
+	}
+
+	*epasswd_len = chunk_cnt * 16;
+	return epasswd;
+}
+
+static int rad_auth_send(struct rad_req_t *req)
+{
+	int i;
+
+	for(i = 0; i < conf_max_try; i++) {
+		__sync_add_and_fetch(&stat_auth_sent, 1);
+		if (rad_req_send(req, conf_verbose))
+			goto out;
+
+		rad_req_wait(req, conf_timeout);
+
+		if (req->reply) {
+			if (req->reply->id != req->pack->id) {
+				__sync_add_and_fetch(&stat_auth_lost, 1);
+				rad_packet_free(req->reply);
+				req->reply = NULL;
+			} else
+				break;
+		} else
+			__sync_add_and_fetch(&stat_auth_lost, 1);
+	}
+
+	if (!req->reply)
+		log_ppp_warn("radius:auth: no response\n");
+	else if (req->reply->code == CODE_ACCESS_ACCEPT) {
+		if (rad_proc_attrs(req))
+			return PWDB_DENIED;
+		return PWDB_SUCCESS;
+	}
+
+out:
+	return PWDB_DENIED;
+}
+
+int rad_auth_pap(struct radius_pd_t *rpd, const char *username, va_list args)
+{
+	struct rad_req_t *req;
+	int r = PWDB_DENIED;
+	//int id = va_arg(args, int);
+	const char *passwd = va_arg(args, const char *);
+	uint8_t *epasswd;
+	int epasswd_len;
+
+	req = rad_req_alloc(rpd, CODE_ACCESS_REQUEST, username);
+	if (!req)
+		return PWDB_DENIED;
+	
+	epasswd = encrypt_password(passwd, conf_auth_secret, req->RA, &epasswd_len);
+	if (!epasswd)
+		goto out;
+
+	if (rad_packet_add_octets(req->pack, NULL, "User-Password", epasswd, epasswd_len)) {
+		if (epasswd_len)
+			_free(epasswd);
+		goto out;
+	}
+
+	if (epasswd_len)
+		_free(epasswd);
+
+	if (conf_sid_in_auth)
+		if (rad_packet_add_str(req->pack, NULL, "Acct-Session-Id", rpd->ppp->sessionid))
+			return -1;
+
+	r = rad_auth_send(req);
+	if (r == PWDB_SUCCESS) {
+		struct ev_radius_t ev = {
+			.ppp = rpd->ppp,
+			.request = req->pack,
+			.reply = req->reply,
+		};
+		triton_event_fire(EV_RADIUS_ACCESS_ACCEPT, &ev);
+	}
+
+out:
+	rad_req_free(req);
+
+	return r;
+}
+
+int rad_auth_chap_md5(struct radius_pd_t *rpd, const char *username, va_list args)
+{
+	int r = PWDB_DENIED;
+	uint8_t chap_password[17];
+	
+	int id = va_arg(args, int);
+	uint8_t *challenge = va_arg(args, uint8_t *);
+	int challenge_len = va_arg(args, int);
+	uint8_t *response = va_arg(args, uint8_t *);
+
+	chap_password[0] = id;
+	memcpy(chap_password + 1, response, 16);
+
+	if (!rpd->auth_req) {
+		rpd->auth_req = rad_req_alloc(rpd, CODE_ACCESS_REQUEST, username);
+		if (!rpd->auth_req)
+			return PWDB_DENIED;
+	
+		if (challenge_len == 16)
+			memcpy(rpd->auth_req->RA, challenge, 16);
+		else {
+			if (rad_packet_add_octets(rpd->auth_req->pack, NULL, "CHAP-Challenge", challenge, challenge_len))
+			goto out;
+		}
+
+		if (rad_packet_add_octets(rpd->auth_req->pack, NULL, "CHAP-Password", chap_password, 17))
+			goto out;
+	} else {
+		if (challenge_len == 16)
+			memcpy(rpd->auth_req->RA, challenge, 16);
+		else {
+			if (rad_packet_change_octets(rpd->auth_req->pack, NULL, "CHAP-Challenge", challenge, challenge_len))
+			goto out;
+		}
+
+		if (rad_packet_change_octets(rpd->auth_req->pack, NULL, "CHAP-Password", chap_password, 17))
+			goto out;
+		
+		if (rpd->attr_state) {
+			if (rad_packet_find_attr(rpd->auth_req->pack, NULL, "State")) {
+				if (rad_packet_change_octets(rpd->auth_req->pack, NULL, "State", rpd->attr_state, rpd->attr_state_len))
+					goto out;
+			} else {
+				if (rad_packet_add_octets(rpd->auth_req->pack, NULL, "State", rpd->attr_state, rpd->attr_state_len))
+					goto out;
+			}
+		}
+		
+		if (rad_packet_build(rpd->auth_req->pack, rpd->auth_req->RA))
+			return -1;
+	}
+	
+	if (conf_sid_in_auth)
+		if (rad_packet_add_str(rpd->auth_req->pack, NULL, "Acct-Session-Id", rpd->ppp->sessionid))
+			goto out;
+
+	r = rad_auth_send(rpd->auth_req);
+	if (r == PWDB_SUCCESS) {
+		struct ev_radius_t ev = {
+			.ppp = rpd->ppp,
+			.request = rpd->auth_req->pack,
+			.reply = rpd->auth_req->reply,
+		};
+		triton_event_fire(EV_RADIUS_ACCESS_ACCEPT, &ev);
+		rpd->auth_req->pack->id++;
+	}
+
+	return r;
+out:
+	rad_req_free(rpd->auth_req);
+	rpd->auth_req = NULL;
+
+	return r;
+}
+
+static void setup_mppe(struct rad_req_t *req, const uint8_t *challenge)
+{
+	struct rad_attr_t *attr;
+	uint8_t mppe_recv_key[16];
+	uint8_t mppe_send_key[16];
+	struct ev_mppe_keys_t ev_mppe = {
+		.ppp = req->rpd->ppp,
+	};
+
+	list_for_each_entry(attr, &req->reply->attrs, entry) {
+		if (attr->vendor && attr->vendor->id == Vendor_Microsoft) {
+			switch (attr->attr->id) {
+				case MS_CHAP_MPPE_Keys:
+					if (decrypt_chap_mppe_keys(req, attr, challenge, mppe_recv_key))
+						continue;
+					ev_mppe.recv_key = mppe_recv_key;
+					ev_mppe.send_key = mppe_recv_key;
+					break;
+				case MS_MPPE_Recv_Key:
+					if (decrypt_mppe_key(req, attr, mppe_recv_key))
+						continue;
+					ev_mppe.recv_key = mppe_recv_key;
+					break;
+				case MS_MPPE_Send_Key:
+					if (decrypt_mppe_key(req, attr, mppe_send_key))
+						continue;
+					ev_mppe.send_key = mppe_send_key;
+					break;
+				case MS_MPPE_Encryption_Policy:
+					ev_mppe.policy = attr->val.integer;
+					break;
+				case MS_MPPE_Encryption_Type:
+					ev_mppe.type = attr->val.integer;
+					break;
+			}
+		}
+	}
+
+	if (ev_mppe.recv_key && ev_mppe.send_key)
+		triton_event_fire(EV_MPPE_KEYS, &ev_mppe);
+}
+
+int rad_auth_mschap_v1(struct radius_pd_t *rpd, const char *username, va_list args)
+{
+	int r = PWDB_DENIED;
+	uint8_t response[50];
+
+	int id = va_arg(args, int);
+	const uint8_t *challenge = va_arg(args, const uint8_t *);
+	int challenge_len = va_arg(args, int);
+	const uint8_t *lm_response = va_arg(args, const uint8_t *);
+	const uint8_t *nt_response = va_arg(args, const uint8_t *);
+	int flags = va_arg(args, int);
+
+	response[0] = id;
+	response[1] = flags;
+	memcpy(response + 2, lm_response, 24);
+	memcpy(response + 2 + 24, nt_response, 24);
+
+	if (!rpd->auth_req) {
+		rpd->auth_req = rad_req_alloc(rpd, CODE_ACCESS_REQUEST, username);
+		if (!rpd->auth_req)
+			return PWDB_DENIED;
+		
+		if (rad_packet_add_octets(rpd->auth_req->pack, "Microsoft", "MS-CHAP-Challenge", challenge, challenge_len))
+			goto out;
+		
+		if (rad_packet_add_octets(rpd->auth_req->pack, "Microsoft", "MS-CHAP-Response", response, sizeof(response)))
+			goto out;
+	} else {
+		if (rad_packet_change_octets(rpd->auth_req->pack, "Microsoft", "MS-CHAP-Challenge", challenge, challenge_len))
+			goto out;
+		
+		if (rad_packet_change_octets(rpd->auth_req->pack, "Microsoft", "MS-CHAP-Response", response, sizeof(response)))
+			goto out;
+
+		if (rpd->attr_state) {
+			if (rad_packet_find_attr(rpd->auth_req->pack, NULL, "State")) {
+				if (rad_packet_change_octets(rpd->auth_req->pack, NULL, "State", rpd->attr_state, rpd->attr_state_len))
+					goto out;
+			} else {
+				if (rad_packet_add_octets(rpd->auth_req->pack, NULL, "State", rpd->attr_state, rpd->attr_state_len))
+					goto out;
+			}
+		}
+		
+		if (rad_packet_build(rpd->auth_req->pack, rpd->auth_req->RA))
+			return -1;
+	}
+
+	if (conf_sid_in_auth)
+		if (rad_packet_add_str(rpd->auth_req->pack, NULL, "Acct-Session-Id", rpd->ppp->sessionid))
+			goto out;
+
+	r = rad_auth_send(rpd->auth_req);
+	if (r == PWDB_SUCCESS) {
+		struct ev_radius_t ev = {
+			.ppp = rpd->ppp,
+			.request = rpd->auth_req->pack,
+			.reply = rpd->auth_req->reply,
+		};
+		triton_event_fire(EV_RADIUS_ACCESS_ACCEPT, &ev);
+		setup_mppe(rpd->auth_req, challenge);
+		rpd->auth_req->pack->id++;
+	}
+
+	return r;
+out:
+	rad_req_free(rpd->auth_req);
+	rpd->auth_req = NULL;
+
+	return r;
+}
+
+int rad_auth_mschap_v2(struct radius_pd_t *rpd, const char *username, va_list args)
+{
+	int r = PWDB_DENIED;
+	struct rad_attr_t *ra;
+	uint8_t mschap_response[50];
+
+	int id = va_arg(args, int);
+	const uint8_t *challenge = va_arg(args, const uint8_t *);
+	const uint8_t *peer_challenge = va_arg(args, const uint8_t *);
+	const uint8_t *reserved = va_arg(args, const uint8_t *);
+	const uint8_t *response = va_arg(args, const uint8_t *);
+	int flags = va_arg(args, int);
+	uint8_t *authenticator = va_arg(args, uint8_t *);
+
+	mschap_response[0] = id;
+	mschap_response[1] = flags;
+	memcpy(mschap_response + 2, peer_challenge, 16);
+	memcpy(mschap_response + 2 + 16, reserved, 8);
+	memcpy(mschap_response + 2 + 16 + 8, response, 24);
+
+	if (!rpd->auth_req) {		
+		rpd->auth_req = rad_req_alloc(rpd, CODE_ACCESS_REQUEST, username);
+		if (!rpd->auth_req)
+			return PWDB_DENIED;
+
+		if (rad_packet_add_octets(rpd->auth_req->pack, "Microsoft", "MS-CHAP-Challenge", challenge, 16))
+			goto out;
+		
+		if (rad_packet_add_octets(rpd->auth_req->pack, "Microsoft", "MS-CHAP2-Response", mschap_response, sizeof(mschap_response)))
+			goto out;
+	} else {
+		if (rad_packet_change_octets(rpd->auth_req->pack, "Microsoft", "MS-CHAP-Challenge", challenge, 16))
+			goto out;
+		
+		if (rad_packet_change_octets(rpd->auth_req->pack, "Microsoft", "MS-CHAP2-Response", mschap_response, sizeof(mschap_response)))
+			goto out;
+
+		if (rpd->attr_state) {
+			if (rad_packet_find_attr(rpd->auth_req->pack, NULL, "State")) {
+				if (rad_packet_change_octets(rpd->auth_req->pack, NULL, "State", rpd->attr_state, rpd->attr_state_len))
+					goto out;
+			} else {
+				if (rad_packet_add_octets(rpd->auth_req->pack, NULL, "State", rpd->attr_state, rpd->attr_state_len))
+					goto out;
+			}
+		}
+		
+		if (rad_packet_build(rpd->auth_req->pack, rpd->auth_req->RA))
+			return -1;
+	}
+	
+	if (conf_sid_in_auth)
+		if (rad_packet_add_str(rpd->auth_req->pack, NULL, "Acct-Session-Id", rpd->ppp->sessionid))
+			goto out;
+
+	r = rad_auth_send(rpd->auth_req);
+	if (r == PWDB_SUCCESS) {
+		ra = rad_packet_find_attr(rpd->auth_req->reply, "Microsoft", "MS-CHAP2-Success");
+		if (!ra) {
+			log_error("radius:auth:mschap-v2: 'MS-CHAP-Success' not found in radius response\n");
+			r = PWDB_DENIED;
+		} else
+			memcpy(authenticator, ra->val.octets + 3, 40);
+	}
+	if (r == PWDB_SUCCESS) {
+		struct ev_radius_t ev = {
+			.ppp = rpd->ppp,
+			.request = rpd->auth_req->pack,
+			.reply = rpd->auth_req->reply,
+		};
+		triton_event_fire(EV_RADIUS_ACCESS_ACCEPT, &ev);
+		setup_mppe(rpd->auth_req, NULL);
+		rpd->auth_req->pack->id++;
+	}
+
+	return r;
+out:
+	rad_req_free(rpd->auth_req);
+	rpd->auth_req = NULL;
+
+	return r;
+}
+
+
diff --git a/accel-pppd/radius/dict.c b/accel-pppd/radius/dict.c
new file mode 100644
index 0000000..9704569
--- /dev/null
+++ b/accel-pppd/radius/dict.c
@@ -0,0 +1,356 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <limits.h>
+
+#include "list.h"
+#include "radius_p.h"
+#include "log.h"
+
+#include "memdebug.h"
+
+static struct rad_dict_t *dict;
+
+static char *skip_word(char *ptr)
+{
+	for(; *ptr; ptr++)
+		if (*ptr == ' ' || *ptr == '\t' || *ptr == '\n') 
+			break;
+	return ptr;
+}
+static char *skip_space(char *ptr)
+{
+	for(; *ptr; ptr++)
+		if (*ptr != ' ' && *ptr != '\t')
+			break;
+	return ptr;
+}
+static int split(char *buf, char **ptr)
+{
+	int i;
+
+	for (i = 0; i < 3; i++) {
+		buf = skip_word(buf);
+		if (!*buf)
+			return i;
+		
+		*buf = 0;
+		
+		buf = skip_space(buf + 1);
+		if (!*buf)
+			return i;
+
+		ptr[i] = buf;
+	}
+
+	buf = skip_word(buf);
+	//if (*buf == '\n')
+		*buf = 0;
+	//else if (*buf)
+	//	return -1;
+
+	return i;
+}
+
+struct rad_dict_attr_t *find_attr(struct list_head *items, const char *name)
+{
+	struct rad_dict_attr_t *attr;
+
+	list_for_each_entry(attr, items, entry)
+		if (!strcmp(attr->name, name))
+			return attr;
+
+	return NULL;
+}
+
+#define BUF_SIZE 1024
+
+static char *path, *fname1, *buf;
+static int dict_load(const char *fname)
+{
+	FILE *f;
+	char *ptr[3], *endptr;
+	int r, n = 0;
+	struct rad_dict_attr_t *attr;
+	struct rad_dict_value_t *val;
+	struct rad_dict_vendor_t *vendor;
+	struct list_head *items;
+
+	f = fopen(fname, "r");
+	if (!f) {
+		log_emerg("radius: open dictioanary '%s': %s\n", fname, strerror(errno));
+		return -1;
+	}
+	
+	items = &dict->items;
+
+	while (fgets(buf, BUF_SIZE, f)) {
+		n++;
+		if (buf[0] == '#' || buf[0] == '\n' || buf[0] == 0)
+			continue;
+		r = split(buf, ptr);
+		if (r == 1) {
+			if (!strcmp(buf, "BEGIN-VENDOR")) {
+				vendor = rad_dict_find_vendor_name(ptr[0]);
+				if (!vendor) {
+					log_emerg("radius:%s:%i: vendor not found\n", fname, n);
+					goto out_err;
+				}
+				items = &vendor->items;
+			} else if (!strcmp(buf, "END-VENDOR"))
+				items = &dict->items;
+			else if (!strcmp(buf, "$INCLUDE")) {
+				for (r = strlen(path) - 1; r; r--)
+					if (path[r] == '/') {
+						path[r + 1] = 0;
+						break;
+					}
+				strcpy(fname1, path);
+				strcat(fname1, ptr[0]);
+				if (dict_load(fname1))
+					goto out_err;
+			} else
+				goto out_err_syntax;
+		} else if (r == 2) {
+			if (!strcmp(buf, "VENDOR")) {
+				vendor = malloc(sizeof(*vendor));
+				if (!vendor) {
+					log_emerg("radius: out of memory\n");
+					goto out_err;
+				}
+				vendor->id = strtol(ptr[1], &endptr, 10);
+				if (*endptr != 0)
+					goto out_err_syntax;
+				vendor->name = strdup(ptr[0]);
+				if (!vendor->name) {
+					log_emerg("radius: out of memory\n");
+					goto out_err;
+				}
+				INIT_LIST_HEAD(&vendor->items);
+				list_add_tail(&vendor->entry, &dict->vendors);
+			} else
+				goto out_err_syntax;
+		} else if (r == 3) {
+			if (!strcmp(buf, "ATTRIBUTE")) {
+				attr = malloc(sizeof(*attr));
+				if (!attr) {
+					log_emerg("radius: out of memory\n");
+					goto out_err;
+				}
+				memset(attr, 0, sizeof(*attr));
+				INIT_LIST_HEAD(&attr->values);
+				list_add_tail(&attr->entry, items);
+				attr->name = strdup(ptr[0]);
+				attr->id = strtol(ptr[1], &endptr, 10);
+				if (*endptr != 0)
+					goto out_err_syntax;
+				if (!strcmp(ptr[2], "integer"))
+					attr->type = ATTR_TYPE_INTEGER;
+				else if (!strcmp(ptr[2], "string"))
+					attr->type = ATTR_TYPE_STRING;
+				else if (!strcmp(ptr[2], "date"))
+					attr->type = ATTR_TYPE_DATE;
+				else if (!strcmp(ptr[2], "ipaddr"))
+					attr->type = ATTR_TYPE_IPADDR;
+				else if (!strcmp(ptr[2], "octets"))
+					attr->type = ATTR_TYPE_OCTETS;
+				else {
+					log_emerg("radius:%s:%i: unknown attribute type\n", fname, n);
+					goto out_err;
+				}
+			} else if (!strcmp(buf, "VALUE")) {
+				attr = find_attr(items, ptr[0]);
+				if (!attr) {
+					log_emerg("radius:%s:%i: unknown attribute\n", fname, n);
+					goto out_err;
+				}
+				val = malloc(sizeof(*val));
+				if (!val) {
+					log_emerg("radius: out of memory\n");
+					goto out_err;
+				}
+				memset(val, 0, sizeof(*val));
+				list_add_tail(&val->entry, &attr->values);
+				val->name = strdup(ptr[1]);
+				switch (attr->type) {
+					case ATTR_TYPE_INTEGER:
+						val->val.integer = strtol(ptr[2], &endptr, 10);
+						if (*endptr != 0)
+							goto out_err_syntax;
+						break;
+					case ATTR_TYPE_STRING:
+						val->val.string = strdup(ptr[2]);
+						break;
+					case ATTR_TYPE_DATE:
+						log_warn("radius:%s:%i: VALUE of type 'date' is not implemented yet\n", fname, n);
+						break;
+					case ATTR_TYPE_IPADDR:
+						log_warn("radius:%s:%i: VALUE of type 'ipaddr' is not implemented yet\n", fname, n);
+						break;
+				}
+			} else
+				goto out_err_syntax;
+		} else
+			goto out_err_syntax;
+	}
+
+	fclose(f);
+
+	return 0;
+
+out_err_syntax:
+	log_emerg("radius:%s:%i: syntaxis error\n", fname, n);
+out_err:
+	fclose(f);
+	return -1;
+}
+
+int rad_dict_load(const char *fname)
+{
+	int r = -1;
+
+	dict = malloc(sizeof(*dict));
+	if (!dict) {
+		log_emerg("radius: out of memory\n");
+		return -1;
+	}
+	INIT_LIST_HEAD(&dict->items);
+	INIT_LIST_HEAD(&dict->vendors);
+
+	path = _malloc(PATH_MAX);
+	if (!path) {
+		log_emerg("radius: out of memory\n");
+		goto out_free_dict;
+	}
+
+	fname1 = _malloc(PATH_MAX);
+	if (!fname1) {
+		log_emerg("radius: out of memory\n");
+		goto out_free_path;
+	}
+
+	buf = _malloc(BUF_SIZE);
+	if (!buf) {
+		log_emerg("radius: out of memory\n");
+		goto out_free_fname1;
+	}
+
+	strcpy(path, fname);
+
+	r = dict_load(fname);
+
+out_free_fname1:
+	_free(fname1);
+out_free_path:
+	_free(path);
+out_free_dict:
+	if (r)
+		rad_dict_free(dict);
+	return r;
+}
+
+void rad_dict_free(struct rad_dict_t *dict)
+{
+	struct rad_dict_attr_t *attr;
+	struct rad_dict_value_t *val;
+
+	while (!list_empty(&dict->items)) {
+		attr = list_entry(dict->items.next, typeof(*attr), entry);
+		while (!list_empty(&attr->values)) {
+			val = list_entry(attr->values.next, typeof(*val), entry);
+			list_del(&val->entry);
+			_free((char*)val->name);
+			if (attr->type == ATTR_TYPE_STRING)
+				_free((char*)val->val.string);
+			_free(val);
+		}
+		list_del(&attr->entry);
+		_free((char*)attr->name);
+		_free(attr);
+	}
+	free(dict);
+}
+
+static struct rad_dict_attr_t *dict_find_attr(struct list_head *items, const char *name)
+{
+	struct rad_dict_attr_t *attr;
+
+	list_for_each_entry(attr, items, entry)
+		if (!strcmp(attr->name, name))
+			return attr;
+
+	return NULL;
+}
+
+__export struct rad_dict_attr_t *rad_dict_find_attr(const char *name)
+{
+	return dict_find_attr(&dict->items, name);
+}
+
+__export struct rad_dict_attr_t *rad_dict_find_attr_id(struct rad_dict_vendor_t *vendor, int id)
+{
+	struct rad_dict_attr_t *attr;
+	struct list_head *items = vendor ? &vendor->items : &dict->items;
+	
+	list_for_each_entry(attr, items, entry)
+		if (attr->id == id)
+			return attr;
+
+	return NULL;
+}
+
+__export struct rad_dict_value_t *rad_dict_find_val_name(struct rad_dict_attr_t *attr, const char *name)
+{
+	struct rad_dict_value_t *val;
+
+	list_for_each_entry(val, &attr->values, entry)
+		if (!strcmp(val->name, name))
+			return val;
+
+	return NULL;
+}
+
+__export struct rad_dict_value_t *rad_dict_find_val(struct rad_dict_attr_t *attr, rad_value_t v)
+{
+	struct rad_dict_value_t *val;
+
+	if (attr->type != ATTR_TYPE_INTEGER)
+		return NULL;
+
+	list_for_each_entry(val, &attr->values, entry)
+		if (val->val.integer == v.integer)
+			return val;
+
+	return NULL;
+}
+
+__export struct rad_dict_vendor_t *rad_dict_find_vendor_name(const char *name)
+{
+	struct rad_dict_vendor_t *vendor;
+
+	list_for_each_entry(vendor, &dict->vendors, entry) {
+		if (!strcmp(vendor->name, name))
+			return vendor;
+	}
+
+	return NULL;
+}
+
+__export struct rad_dict_vendor_t *rad_dict_find_vendor_id(int id)
+{
+	struct rad_dict_vendor_t *vendor;
+
+	list_for_each_entry(vendor, &dict->vendors, entry) {
+		if (vendor->id == id)
+			return vendor;
+	}
+
+	return NULL;
+}
+
+__export struct rad_dict_attr_t *rad_dict_find_vendor_attr(struct rad_dict_vendor_t *vendor, const char *name)
+{
+	return dict_find_attr(&vendor->items, name);
+}
+
diff --git a/accel-pppd/radius/dict/dictionary b/accel-pppd/radius/dict/dictionary
new file mode 100644
index 0000000..2797310
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary
@@ -0,0 +1,79 @@
+# -*- text -*-
+#
+# Version $Id: dictionary,v 1.155 2008/04/20 14:47:55 aland Exp $
+#
+#	DO NOT EDIT THE FILES IN THIS DIRECTORY
+#
+#	The files in this directory are maintained and updated by
+#	the FreeRADIUS project.  Newer releases of software may update
+#	or change these files.
+#
+#	Use the main dictionary file (usually /etc/raddb/dictionary)
+#	for local system attributes and $INCLUDEs.
+#
+#
+#
+#	This file contains dictionary translations for parsing
+#	requests and generating responses.  All transactions are
+#	composed of Attribute/Value Pairs.  The value of each attribute
+#	is specified as one of 4 data types.  Valid data types are:
+#
+#	text       - printable, generally UTF-8 encoded (subset of 'string')
+#	string     - 0-253 octets
+#	ipaddr     - 4 octets in network byte order
+#	integer    - 32 bit value in big endian order (high byte first)
+#	date       - 32 bit value in big endian order - seconds since
+#		     00:00:00 GMT,  Jan.  1,  1970
+#	ifid       - 8 octets in network byte order
+#	ipv6addr   - 16 octets in network byte order
+#	ipv6prefix - 18 octets in network byte order
+#	ether      - 6 octets of hh:hh:hh:hh:hh:hh
+#		     where 'h' is hex digits, upper or lowercase.
+#
+#	FreeRADIUS includes extended data types which are not defined
+#	in the RFC's.  These data types are:
+#
+#	abinary - Ascend's binary filter format.
+#	octets  - raw octets, printed and input as hex strings.
+#		  e.g.: 0x123456789abcdef
+#
+#
+#	Enumerated values are stored in the user file with dictionary
+#	VALUE translations for easy administration.
+#
+#	Example:
+#
+#	ATTRIBUTE	  VALUE
+#	---------------   -----
+#	Framed-Protocol = PPP
+#	7		= 1	(integer encoding)
+#
+
+#
+#	Include compatibility dictionary for older users file. Move
+#	this directive to the end of this file if you want to see the
+#	old names in the logfiles, INSTEAD OF the new names.
+#
+#
+#	Include the RFC dictionaries next.
+#
+#	For a complete list of the standard attributes and values,
+#	see:
+#		http://www.iana.org/assignments/radius-types
+#
+$INCLUDE dictionary.rfc2865
+$INCLUDE dictionary.rfc2866
+$INCLUDE dictionary.rfc2867
+$INCLUDE dictionary.rfc2868
+$INCLUDE dictionary.rfc2869
+$INCLUDE dictionary.rfc3576
+$INCLUDE dictionary.rfc3580
+$INCLUDE dictionary.rfc4072
+$INCLUDE dictionary.rfc4372
+$INCLUDE dictionary.rfc4679
+$INCLUDE dictionary.rfc5176
+
+$INCLUDE dictionary.microsoft
+$INCLUDE dictionary.cisco
+
+ATTRIBUTE Traffic-Shape-in 231 integer
diff --git a/accel-pppd/radius/dict/dictionary.cisco b/accel-pppd/radius/dict/dictionary.cisco
new file mode 100644
index 0000000..6d1efbe
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.cisco
@@ -0,0 +1,156 @@
+# -*- text -*-
+#
+# dictionary.cisco
+#
+#		Accounting VSAs originally by
+#		"Marcelo M. Sosa Lugones" <marcelo@sosa.com.ar>
+#
+# Version:	$Id: dictionary.cisco,v 1.16 2006/06/05 16:55:21 pnixon Exp $
+#
+#  For documentation on Cisco RADIUS attributes, see:
+#
+# http://www.cisco.com/univercd/cc/td/doc/product/access/acs_serv/vapp_dev/vsaig3.htm
+#
+#  For general documentation on Cisco RADIUS configuration, see:
+#
+# http://www.cisco.com/en/US/partner/tech/tk583/tk547/tsd_technology_support_sub-protocol_home.html
+#
+
+VENDOR		Cisco				9
+
+#
+#	Standard attribute
+#
+BEGIN-VENDOR	Cisco
+
+ATTRIBUTE	Cisco-AVPair				1	string
+ATTRIBUTE	Cisco-NAS-Port				2	string
+
+#
+#  T.37 Store-and-Forward attributes.
+#
+ATTRIBUTE	Cisco-Fax-Account-Id-Origin		3	string
+ATTRIBUTE	Cisco-Fax-Msg-Id			4	string
+ATTRIBUTE	Cisco-Fax-Pages				5	string
+ATTRIBUTE	Cisco-Fax-Coverpage-Flag		6	string
+ATTRIBUTE	Cisco-Fax-Modem-Time			7	string
+ATTRIBUTE	Cisco-Fax-Connect-Speed			8	string
+ATTRIBUTE	Cisco-Fax-Recipient-Count		9	string
+ATTRIBUTE	Cisco-Fax-Process-Abort-Flag		10	string
+ATTRIBUTE	Cisco-Fax-Dsn-Address			11	string
+ATTRIBUTE	Cisco-Fax-Dsn-Flag			12	string
+ATTRIBUTE	Cisco-Fax-Mdn-Address			13	string
+ATTRIBUTE	Cisco-Fax-Mdn-Flag			14	string
+ATTRIBUTE	Cisco-Fax-Auth-Status			15	string
+ATTRIBUTE	Cisco-Email-Server-Address		16	string
+ATTRIBUTE	Cisco-Email-Server-Ack-Flag		17	string
+ATTRIBUTE	Cisco-Gateway-Id			18	string
+ATTRIBUTE	Cisco-Call-Type				19	string
+ATTRIBUTE	Cisco-Port-Used				20	string
+ATTRIBUTE	Cisco-Abort-Cause			21	string
+
+#
+#  Voice over IP attributes.
+#
+ATTRIBUTE	h323-remote-address			23	string
+ATTRIBUTE	h323-conf-id				24	string
+ATTRIBUTE	h323-setup-time				25	string
+ATTRIBUTE	h323-call-origin			26	string
+ATTRIBUTE	h323-call-type				27	string
+ATTRIBUTE	h323-connect-time			28	string
+ATTRIBUTE	h323-disconnect-time			29	string
+ATTRIBUTE	h323-disconnect-cause			30	string
+ATTRIBUTE	h323-voice-quality			31	string
+ATTRIBUTE	h323-gw-id				33	string
+ATTRIBUTE	h323-incoming-conf-id			35	string
+
+ATTRIBUTE	h323-credit-amount			101	string
+ATTRIBUTE	h323-credit-time			102	string
+ATTRIBUTE	h323-return-code			103	string
+ATTRIBUTE	h323-prompt-id				104	string
+ATTRIBUTE	h323-time-and-day			105	string
+ATTRIBUTE	h323-redirect-number			106	string
+ATTRIBUTE	h323-preferred-lang			107	string
+ATTRIBUTE	h323-redirect-ip-address		108	string
+ATTRIBUTE	h323-billing-model			109	string
+ATTRIBUTE	h323-currency				110	string
+ATTRIBUTE	subscriber				111	string
+ATTRIBUTE	gw-rxd-cdn				112	string
+ATTRIBUTE	gw-final-xlated-cdn			113	string
+ATTRIBUTE	remote-media-address			114	string
+ATTRIBUTE	release-source				115	string
+ATTRIBUTE	gw-rxd-cgn				116	string
+ATTRIBUTE	gw-final-xlated-cgn			117	string
+
+# SIP Attributes
+ATTRIBUTE	call-id					141	string
+ATTRIBUTE	session-protocol			142	string
+ATTRIBUTE	method					143	string
+ATTRIBUTE	prev-hop-via				144	string
+ATTRIBUTE	prev-hop-ip				145	string
+ATTRIBUTE	incoming-req-uri			146	string
+ATTRIBUTE	outgoing-req-uri			147	string
+ATTRIBUTE	next-hop-ip				148	string
+ATTRIBUTE	next-hop-dn				149	string
+ATTRIBUTE	sip-hdr					150	string
+
+#
+#	Extra attributes sent by the Cisco, if you configure
+#	"radius-server vsa accounting" (requires IOS11.2+).
+#
+ATTRIBUTE	Cisco-Multilink-ID			187	integer
+ATTRIBUTE	Cisco-Num-In-Multilink			188	integer
+ATTRIBUTE	Cisco-Pre-Input-Octets			190	integer
+ATTRIBUTE	Cisco-Pre-Output-Octets			191	integer
+ATTRIBUTE	Cisco-Pre-Input-Packets			192	integer
+ATTRIBUTE	Cisco-Pre-Output-Packets		193	integer
+ATTRIBUTE	Cisco-Maximum-Time			194	integer
+ATTRIBUTE	Cisco-Disconnect-Cause			195	integer
+ATTRIBUTE	Cisco-Data-Rate				197	integer
+ATTRIBUTE	Cisco-PreSession-Time			198	integer
+ATTRIBUTE	Cisco-PW-Lifetime			208	integer
+ATTRIBUTE	Cisco-IP-Direct				209	integer
+ATTRIBUTE	Cisco-PPP-VJ-Slot-Comp			210	integer
+ATTRIBUTE	Cisco-PPP-Async-Map			212	integer
+ATTRIBUTE	Cisco-IP-Pool-Definition		217	string
+ATTRIBUTE	Cisco-Assign-IP-Pool			218	integer
+ATTRIBUTE	Cisco-Route-IP				228	integer
+ATTRIBUTE	Cisco-Link-Compression			233	integer
+ATTRIBUTE	Cisco-Target-Util			234	integer
+ATTRIBUTE	Cisco-Maximum-Channels			235	integer
+ATTRIBUTE	Cisco-Data-Filter			242	integer
+ATTRIBUTE	Cisco-Call-Filter			243	integer
+ATTRIBUTE	Cisco-Idle-Limit			244	integer
+ATTRIBUTE	Cisco-Account-Info			250	string
+ATTRIBUTE	Cisco-Service-Info			251	string
+ATTRIBUTE	Cisco-Command-Code			252	string
+ATTRIBUTE	Cisco-Control-Info			253	string
+ATTRIBUTE	Cisco-Xmit-Rate				255	integer
+
+VALUE	Cisco-Disconnect-Cause		Unknown			2
+VALUE	Cisco-Disconnect-Cause		CLID-Authentication-Failure 4
+VALUE	Cisco-Disconnect-Cause		No-Carrier		10
+VALUE	Cisco-Disconnect-Cause		Lost-Carrier		11
+VALUE	Cisco-Disconnect-Cause		No-Detected-Result-Codes 12
+VALUE	Cisco-Disconnect-Cause		User-Ends-Session	20
+VALUE	Cisco-Disconnect-Cause		Idle-Timeout		21
+VALUE	Cisco-Disconnect-Cause		Exit-Telnet-Session	22
+VALUE	Cisco-Disconnect-Cause		No-Remote-IP-Addr	23
+VALUE	Cisco-Disconnect-Cause		Exit-Raw-TCP		24
+VALUE	Cisco-Disconnect-Cause		Password-Fail		25
+VALUE	Cisco-Disconnect-Cause		Raw-TCP-Disabled	26
+VALUE	Cisco-Disconnect-Cause		Control-C-Detected	27
+VALUE	Cisco-Disconnect-Cause		EXEC-Program-Destroyed	28
+VALUE	Cisco-Disconnect-Cause		Timeout-PPP-LCP		40
+VALUE	Cisco-Disconnect-Cause		Failed-PPP-LCP-Negotiation 41
+VALUE	Cisco-Disconnect-Cause		Failed-PPP-PAP-Auth-Fail 42
+VALUE	Cisco-Disconnect-Cause		Failed-PPP-CHAP-Auth	43
+VALUE	Cisco-Disconnect-Cause		Failed-PPP-Remote-Auth	44
+VALUE	Cisco-Disconnect-Cause		PPP-Remote-Terminate	45
+VALUE	Cisco-Disconnect-Cause		PPP-Closed-Event	46
+VALUE	Cisco-Disconnect-Cause		Session-Timeout		100
+VALUE	Cisco-Disconnect-Cause		Session-Failed-Security	101
+VALUE	Cisco-Disconnect-Cause		Session-End-Callback	102
+VALUE	Cisco-Disconnect-Cause		Invalid-Protocol	120
+
+END-VENDOR	Cisco
diff --git a/accel-pppd/radius/dict/dictionary.microsoft b/accel-pppd/radius/dict/dictionary.microsoft
new file mode 100644
index 0000000..9ca6b8e
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.microsoft
@@ -0,0 +1,83 @@
+# -*- text -*-
+#
+#	Microsoft's VSA's, from RFC 2548
+#
+#	$Id: dictionary.microsoft,v 1.8 2005/08/08 22:23:37 aland Exp $
+#
+
+VENDOR		Microsoft			311
+
+BEGIN-VENDOR	Microsoft
+ATTRIBUTE	MS-CHAP-Response			1	octets
+ATTRIBUTE	MS-CHAP-Error				2	string
+ATTRIBUTE	MS-CHAP-CPW-1				3	octets
+ATTRIBUTE	MS-CHAP-CPW-2				4	octets
+ATTRIBUTE	MS-CHAP-LM-Enc-PW			5	octets
+ATTRIBUTE	MS-CHAP-NT-Enc-PW			6	octets
+ATTRIBUTE	MS-MPPE-Encryption-Policy		7	integer
+# This is referred to as both singular and plural in the RFC.
+# Plural seems to make more sense.
+ATTRIBUTE	MS-MPPE-Encryption-Type			8	integer
+ATTRIBUTE	MS-MPPE-Encryption-Types		8	integer
+ATTRIBUTE	MS-RAS-Vendor				9	integer	# content is Vendor-ID
+ATTRIBUTE	MS-CHAP-Domain				10	string
+ATTRIBUTE	MS-CHAP-Challenge			11	octets
+ATTRIBUTE	MS-CHAP-MPPE-Keys			12	octets  encrypt=1
+ATTRIBUTE	MS-BAP-Usage				13	integer
+ATTRIBUTE	MS-Link-Utilization-Threshold		14	integer # values are 1-100
+ATTRIBUTE	MS-Link-Drop-Time-Limit			15	integer
+ATTRIBUTE	MS-MPPE-Send-Key			16	octets	encrypt=2
+ATTRIBUTE	MS-MPPE-Recv-Key			17	octets	encrypt=2
+ATTRIBUTE	MS-RAS-Version				18	string
+ATTRIBUTE	MS-Old-ARAP-Password			19	octets
+ATTRIBUTE	MS-New-ARAP-Password			20	octets
+ATTRIBUTE	MS-ARAP-PW-Change-Reason		21	integer
+
+ATTRIBUTE	MS-Filter				22	octets
+ATTRIBUTE	MS-Acct-Auth-Type			23	integer
+ATTRIBUTE	MS-Acct-EAP-Type			24	integer
+
+ATTRIBUTE	MS-CHAP2-Response			25	octets
+ATTRIBUTE	MS-CHAP2-Success			26	octets
+ATTRIBUTE	MS-CHAP2-CPW				27	octets
+
+ATTRIBUTE	MS-Primary-DNS-Server			28	ipaddr
+ATTRIBUTE	MS-Secondary-DNS-Server			29	ipaddr
+ATTRIBUTE	MS-Primary-NBNS-Server			30	ipaddr
+ATTRIBUTE	MS-Secondary-NBNS-Server		31	ipaddr
+
+#ATTRIBUTE	MS-ARAP-Challenge	33	octets
+
+#
+#	Integer Translations
+#
+
+#	MS-BAP-Usage Values
+
+VALUE	MS-BAP-Usage			Not-Allowed		0
+VALUE	MS-BAP-Usage			Allowed			1
+VALUE	MS-BAP-Usage			Required		2
+
+#	MS-ARAP-Password-Change-Reason Values
+
+VALUE	MS-ARAP-PW-Change-Reason	Just-Change-Password	1
+VALUE	MS-ARAP-PW-Change-Reason	Expired-Password	2
+VALUE	MS-ARAP-PW-Change-Reason	Admin-Requires-Password-Change 3
+VALUE	MS-ARAP-PW-Change-Reason	Password-Too-Short	4
+
+#	MS-Acct-Auth-Type Values
+
+VALUE	MS-Acct-Auth-Type		PAP			1
+VALUE	MS-Acct-Auth-Type		CHAP			2
+VALUE	MS-Acct-Auth-Type		MS-CHAP-1		3
+VALUE	MS-Acct-Auth-Type		MS-CHAP-2		4
+VALUE	MS-Acct-Auth-Type		EAP			5
+
+#	MS-Acct-EAP-Type Values
+
+VALUE	MS-Acct-EAP-Type		MD5			4
+VALUE	MS-Acct-EAP-Type		OTP			5
+VALUE	MS-Acct-EAP-Type		Generic-Token-Card	6
+VALUE	MS-Acct-EAP-Type		TLS			13
+
+END-VENDOR Microsoft
diff --git a/accel-pppd/radius/dict/dictionary.rfc2865 b/accel-pppd/radius/dict/dictionary.rfc2865
new file mode 100644
index 0000000..7e5bf58
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc2865
@@ -0,0 +1,137 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 2865.
+#	http://www.ietf.org/rfc/rfc2865.txt
+#
+#	$Id: dictionary.rfc2865,v 1.3 2005/08/10 20:59:40 aland Exp $
+#
+ATTRIBUTE	User-Name				1	string
+ATTRIBUTE	User-Password				2	octets
+ATTRIBUTE	CHAP-Password				3	octets
+ATTRIBUTE	NAS-IP-Address				4	ipaddr
+ATTRIBUTE	NAS-Port				5	integer
+ATTRIBUTE	Service-Type				6	integer
+ATTRIBUTE	Framed-Protocol				7	integer
+ATTRIBUTE	Framed-IP-Address			8	ipaddr
+ATTRIBUTE	Framed-IP-Netmask			9	ipaddr
+ATTRIBUTE	Framed-Routing				10	integer
+ATTRIBUTE	Filter-Id				11	string
+ATTRIBUTE	Framed-MTU				12	integer
+ATTRIBUTE	Framed-Compression			13	integer
+ATTRIBUTE	Login-IP-Host				14	ipaddr
+ATTRIBUTE	Login-Service				15	integer
+ATTRIBUTE	Login-TCP-Port				16	integer
+# Attribute 17 is undefined
+ATTRIBUTE	Reply-Message				18	string
+ATTRIBUTE	Callback-Number				19	string
+ATTRIBUTE	Callback-Id				20	string
+# Attribute 21 is undefined
+ATTRIBUTE	Framed-Route				22	string
+ATTRIBUTE	Framed-IPX-Network			23	ipaddr
+ATTRIBUTE	State					24	octets
+ATTRIBUTE	Class					25	octets
+ATTRIBUTE	Vendor-Specific				26	octets
+ATTRIBUTE	Session-Timeout				27	integer
+ATTRIBUTE	Idle-Timeout				28	integer
+ATTRIBUTE	Termination-Action			29	integer
+ATTRIBUTE	Called-Station-Id			30	string
+ATTRIBUTE	Calling-Station-Id			31	string
+ATTRIBUTE	NAS-Identifier				32	string
+ATTRIBUTE	Proxy-State				33	octets
+ATTRIBUTE	Login-LAT-Service			34	string
+ATTRIBUTE	Login-LAT-Node				35	string
+ATTRIBUTE	Login-LAT-Group				36	octets
+ATTRIBUTE	Framed-AppleTalk-Link			37	integer
+ATTRIBUTE	Framed-AppleTalk-Network		38	integer
+ATTRIBUTE	Framed-AppleTalk-Zone			39	string
+
+ATTRIBUTE	CHAP-Challenge				60	octets
+ATTRIBUTE	NAS-Port-Type				61	integer
+ATTRIBUTE	Port-Limit				62	integer
+ATTRIBUTE	Login-LAT-Port				63	integer
+
+#
+#	Integer Translations
+#
+
+#	Service types
+
+VALUE	Service-Type			Login-User		1
+VALUE	Service-Type			Framed-User		2
+VALUE	Service-Type			Callback-Login-User	3
+VALUE	Service-Type			Callback-Framed-User	4
+VALUE	Service-Type			Outbound-User		5
+VALUE	Service-Type			Administrative-User	6
+VALUE	Service-Type			NAS-Prompt-User		7
+VALUE	Service-Type			Authenticate-Only	8
+VALUE	Service-Type			Callback-NAS-Prompt	9
+VALUE	Service-Type			Call-Check		10
+VALUE	Service-Type			Callback-Administrative	11
+
+#	Framed Protocols
+
+VALUE	Framed-Protocol			PPP			1
+VALUE	Framed-Protocol			SLIP			2
+VALUE	Framed-Protocol			ARAP			3
+VALUE	Framed-Protocol			Gandalf-SLML		4
+VALUE	Framed-Protocol			Xylogics-IPX-SLIP	5
+VALUE	Framed-Protocol			X.75-Synchronous	6
+
+#	Framed Routing Values
+
+VALUE	Framed-Routing			None			0
+VALUE	Framed-Routing			Broadcast		1
+VALUE	Framed-Routing			Listen			2
+VALUE	Framed-Routing			Broadcast-Listen	3
+
+#	Framed Compression Types
+
+VALUE	Framed-Compression		None			0
+VALUE	Framed-Compression		Van-Jacobson-TCP-IP	1
+VALUE	Framed-Compression		IPX-Header-Compression	2
+VALUE	Framed-Compression		Stac-LZS		3
+
+#	Login Services
+
+VALUE	Login-Service			Telnet			0
+VALUE	Login-Service			Rlogin			1
+VALUE	Login-Service			TCP-Clear		2
+VALUE	Login-Service			PortMaster		3
+VALUE	Login-Service			LAT			4
+VALUE	Login-Service			X25-PAD			5
+VALUE	Login-Service			X25-T3POS		6
+VALUE	Login-Service			TCP-Clear-Quiet		8
+
+#	Login-TCP-Port		(see /etc/services for more examples)
+
+VALUE	Login-TCP-Port			Telnet			23
+VALUE	Login-TCP-Port			Rlogin			513
+VALUE	Login-TCP-Port			Rsh			514
+
+#	Termination Options
+
+VALUE	Termination-Action		Default			0
+VALUE	Termination-Action		RADIUS-Request		1
+
+#	NAS Port Types
+
+VALUE	NAS-Port-Type			Async			0
+VALUE	NAS-Port-Type			Sync			1
+VALUE	NAS-Port-Type			ISDN			2
+VALUE	NAS-Port-Type			ISDN-V120		3
+VALUE	NAS-Port-Type			ISDN-V110		4
+VALUE	NAS-Port-Type			Virtual			5
+VALUE	NAS-Port-Type			PIAFS			6
+VALUE	NAS-Port-Type			HDLC-Clear-Channel	7
+VALUE	NAS-Port-Type			X.25			8
+VALUE	NAS-Port-Type			X.75			9
+VALUE	NAS-Port-Type			G.3-Fax			10
+VALUE	NAS-Port-Type			SDSL			11
+VALUE	NAS-Port-Type			ADSL-CAP		12
+VALUE	NAS-Port-Type			ADSL-DMT		13
+VALUE	NAS-Port-Type			IDSL			14
+VALUE	NAS-Port-Type			Ethernet		15
+VALUE	NAS-Port-Type			xDSL			16
+VALUE	NAS-Port-Type			Cable			17
+VALUE	NAS-Port-Type			Wireless-Other		18
+VALUE	NAS-Port-Type			Wireless-802.11		19
diff --git a/accel-pppd/radius/dict/dictionary.rfc2866 b/accel-pppd/radius/dict/dictionary.rfc2866
new file mode 100644
index 0000000..15472bd
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc2866
@@ -0,0 +1,57 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 2866.
+#	http://www.ietf.org/rfc/rfc2866.txt
+#
+#	$Id: dictionary.rfc2866,v 1.2 2005/08/08 22:23:38 aland Exp $
+#
+ATTRIBUTE	Acct-Status-Type			40	integer
+ATTRIBUTE	Acct-Delay-Time				41	integer
+ATTRIBUTE	Acct-Input-Octets			42	integer
+ATTRIBUTE	Acct-Output-Octets			43	integer
+ATTRIBUTE	Acct-Session-Id				44	string
+ATTRIBUTE	Acct-Authentic				45	integer
+ATTRIBUTE	Acct-Session-Time			46	integer
+ATTRIBUTE	Acct-Input-Packets			47	integer
+ATTRIBUTE	Acct-Output-Packets			48	integer
+ATTRIBUTE	Acct-Terminate-Cause			49	integer
+ATTRIBUTE	Acct-Multi-Session-Id			50	string
+ATTRIBUTE	Acct-Link-Count				51	integer
+
+#	Accounting Status Types
+
+VALUE	Acct-Status-Type		Start			1
+VALUE	Acct-Status-Type		Stop			2
+VALUE	Acct-Status-Type		Alive			3   # dup
+VALUE	Acct-Status-Type		Interim-Update		3
+VALUE	Acct-Status-Type		Accounting-On		7
+VALUE	Acct-Status-Type		Accounting-Off		8
+VALUE	Acct-Status-Type		Failed			15
+
+#	Authentication Types
+
+VALUE	Acct-Authentic			RADIUS			1
+VALUE	Acct-Authentic			Local			2
+VALUE	Acct-Authentic			Remote			3
+VALUE	Acct-Authentic			Diameter		4
+
+#	Acct Terminate Causes
+
+VALUE	Acct-Terminate-Cause		User-Request		1
+VALUE	Acct-Terminate-Cause		Lost-Carrier		2
+VALUE	Acct-Terminate-Cause		Lost-Service		3
+VALUE	Acct-Terminate-Cause		Idle-Timeout		4
+VALUE	Acct-Terminate-Cause		Session-Timeout		5
+VALUE	Acct-Terminate-Cause		Admin-Reset		6
+VALUE	Acct-Terminate-Cause		Admin-Reboot		7
+VALUE	Acct-Terminate-Cause		Port-Error		8
+VALUE	Acct-Terminate-Cause		NAS-Error		9
+VALUE	Acct-Terminate-Cause		NAS-Request		10
+VALUE	Acct-Terminate-Cause		NAS-Reboot		11
+VALUE	Acct-Terminate-Cause		Port-Unneeded		12
+VALUE	Acct-Terminate-Cause		Port-Preempted		13
+VALUE	Acct-Terminate-Cause		Port-Suspended		14
+VALUE	Acct-Terminate-Cause		Service-Unavailable	15
+VALUE	Acct-Terminate-Cause		Callback		16
+VALUE	Acct-Terminate-Cause		User-Error		17
+VALUE	Acct-Terminate-Cause		Host-Request		18
diff --git a/accel-pppd/radius/dict/dictionary.rfc2867 b/accel-pppd/radius/dict/dictionary.rfc2867
new file mode 100644
index 0000000..b018aba
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc2867
@@ -0,0 +1,16 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 2867.
+#	http://www.ietf.org/rfc/rfc2867.txt
+#
+#	$Id: dictionary.rfc2867,v 1.2 2005/08/08 22:23:38 aland Exp $
+#
+ATTRIBUTE	Acct-Tunnel-Connection			68	string
+ATTRIBUTE	Acct-Tunnel-Packets-Lost		86	integer
+
+VALUE	Acct-Status-Type		Tunnel-Start		9
+VALUE	Acct-Status-Type		Tunnel-Stop		10
+VALUE	Acct-Status-Type		Tunnel-Reject		11
+VALUE	Acct-Status-Type		Tunnel-Link-Start	12
+VALUE	Acct-Status-Type		Tunnel-Link-Stop	13
+VALUE	Acct-Status-Type		Tunnel-Link-Reject	14
diff --git a/accel-pppd/radius/dict/dictionary.rfc2868 b/accel-pppd/radius/dict/dictionary.rfc2868
new file mode 100644
index 0000000..f6a4047
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc2868
@@ -0,0 +1,54 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 2868.
+#	http://www.ietf.org/rfc/rfc2868.txt
+#
+#	$Id: dictionary.rfc2868,v 1.4 2007/02/13 13:28:17 aland Exp $
+#
+ATTRIBUTE	Tunnel-Type				64	integer	has_tag
+ATTRIBUTE	Tunnel-Medium-Type			65	integer	has_tag
+ATTRIBUTE	Tunnel-Client-Endpoint			66	string	has_tag
+ATTRIBUTE	Tunnel-Server-Endpoint			67	string	has_tag
+
+ATTRIBUTE	Tunnel-Password				69	string	has_tag,encrypt=2
+
+ATTRIBUTE	Tunnel-Private-Group-Id			81	string	has_tag
+ATTRIBUTE	Tunnel-Assignment-Id			82	string	has_tag
+ATTRIBUTE	Tunnel-Preference			83	integer	has_tag
+
+ATTRIBUTE	Tunnel-Client-Auth-Id			90	string	has_tag
+ATTRIBUTE	Tunnel-Server-Auth-Id			91	string	has_tag
+
+#	Tunnel Type
+
+VALUE	Tunnel-Type			PPTP			1
+VALUE	Tunnel-Type			L2F			2
+VALUE	Tunnel-Type			L2TP			3
+VALUE	Tunnel-Type			ATMP			4
+VALUE	Tunnel-Type			VTP			5
+VALUE	Tunnel-Type			AH			6
+VALUE	Tunnel-Type			IP			7
+VALUE	Tunnel-Type			MIN-IP			8
+VALUE	Tunnel-Type			ESP			9
+VALUE	Tunnel-Type			GRE			10
+VALUE	Tunnel-Type			DVS			11
+VALUE	Tunnel-Type			IP-in-IP		12
+
+#	Tunnel Medium Type
+
+VALUE	Tunnel-Medium-Type		IP			1
+VALUE	Tunnel-Medium-Type		IPv4			1
+VALUE	Tunnel-Medium-Type		IPv6			2
+VALUE	Tunnel-Medium-Type		NSAP			3
+VALUE	Tunnel-Medium-Type		HDLC			4
+VALUE	Tunnel-Medium-Type		BBN-1822		5
+VALUE	Tunnel-Medium-Type		IEEE-802		6
+VALUE	Tunnel-Medium-Type		E.163			7
+VALUE	Tunnel-Medium-Type		E.164			8
+VALUE	Tunnel-Medium-Type		F.69			9
+VALUE	Tunnel-Medium-Type		X.121			10
+VALUE	Tunnel-Medium-Type		IPX			11
+VALUE	Tunnel-Medium-Type		Appletalk		12
+VALUE	Tunnel-Medium-Type		DecNet-IV		13
+VALUE	Tunnel-Medium-Type		Banyan-Vines		14
+VALUE	Tunnel-Medium-Type		E.164-NSAP		15
diff --git a/accel-pppd/radius/dict/dictionary.rfc2869 b/accel-pppd/radius/dict/dictionary.rfc2869
new file mode 100644
index 0000000..1a2631e
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc2869
@@ -0,0 +1,39 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 2869.
+#	http://www.ietf.org/rfc/rfc2869.txt
+#
+#	$Id: dictionary.rfc2869,v 1.2 2005/08/08 22:23:39 aland Exp $
+#
+ATTRIBUTE	Acct-Input-Gigawords			52	integer
+ATTRIBUTE	Acct-Output-Gigawords			53	integer
+
+ATTRIBUTE	Event-Timestamp				55	date
+
+ATTRIBUTE	ARAP-Password				70	octets	# 16 octets of data
+ATTRIBUTE	ARAP-Features				71	octets  # 14 octets of data
+ATTRIBUTE	ARAP-Zone-Access			72	integer
+ATTRIBUTE	ARAP-Security				73	integer
+ATTRIBUTE	ARAP-Security-Data			74	string
+ATTRIBUTE	Password-Retry				75	integer
+ATTRIBUTE	Prompt					76	integer
+ATTRIBUTE	Connect-Info				77	string
+ATTRIBUTE	Configuration-Token			78	string
+ATTRIBUTE	EAP-Message				79	octets
+ATTRIBUTE	Message-Authenticator			80	octets
+
+ATTRIBUTE	ARAP-Challenge-Response			84	octets	# 8 octets of data
+ATTRIBUTE	Acct-Interim-Interval			85	integer
+# 86: RFC 2867
+ATTRIBUTE	NAS-Port-Id				87	string
+ATTRIBUTE	Framed-Pool				88	string
+
+#	ARAP Zone Access
+
+VALUE	ARAP-Zone-Access		Default-Zone		1
+VALUE	ARAP-Zone-Access		Zone-Filter-Inclusive	2
+VALUE	ARAP-Zone-Access		Zone-Filter-Exclusive	4
+
+#	Prompt
+VALUE	Prompt				No-Echo			0
+VALUE	Prompt				Echo			1
diff --git a/accel-pppd/radius/dict/dictionary.rfc3576 b/accel-pppd/radius/dict/dictionary.rfc3576
new file mode 100644
index 0000000..35aeb32
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc3576
@@ -0,0 +1,30 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 3576.
+#	http://www.ietf.org/rfc/rfc3576.txt
+#
+#	$Id: dictionary.rfc3576,v 1.2 2005/08/08 22:23:39 aland Exp $
+#
+ATTRIBUTE	Error-Cause				101	integer
+
+#	Service Types
+
+VALUE	Service-Type			Authorize-Only		17
+
+#	Error causes
+
+VALUE	Error-Cause			Residual-Context-Removed 201
+VALUE	Error-Cause			Invalid-EAP-Packet	202
+VALUE	Error-Cause			Unsupported-Attribute	401
+VALUE	Error-Cause			Missing-Attribute	402
+VALUE	Error-Cause			NAS-Identification-Mismatch 403
+VALUE	Error-Cause			Invalid-Request		404
+VALUE	Error-Cause			Unsupported-Service	405
+VALUE	Error-Cause			Unsupported-Extension	406
+VALUE	Error-Cause			Administratively-Prohibited 501
+VALUE	Error-Cause			Proxy-Request-Not-Routable 502
+VALUE	Error-Cause			Session-Context-Not-Found 503
+VALUE	Error-Cause			Session-Context-Not-Removable 504
+VALUE	Error-Cause			Proxy-Processing-Error	505
+VALUE	Error-Cause			Resources-Unavailable	506
+VALUE	Error-Cause			Request-Initiated	507
diff --git a/accel-pppd/radius/dict/dictionary.rfc3580 b/accel-pppd/radius/dict/dictionary.rfc3580
new file mode 100644
index 0000000..1bd4ca3
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc3580
@@ -0,0 +1,16 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 3580.
+#	http://www.ietf.org/rfc/rfc3580.txt
+#
+#	$Id: dictionary.rfc3580,v 1.2 2005/08/08 22:23:39 aland Exp $
+#
+VALUE	Acct-Terminate-Cause		Supplicant-Restart	19
+VALUE	Acct-Terminate-Cause		Reauthentication-Failure 20
+VALUE	Acct-Terminate-Cause		Port-Reinit		21
+VALUE	Acct-Terminate-Cause		Port-Disabled		22
+
+VALUE	NAS-Port-Type			Token-Ring		20
+VALUE	NAS-Port-Type			FDDI			21
+
+VALUE	Tunnel-Type			VLAN			13
diff --git a/accel-pppd/radius/dict/dictionary.rfc4072 b/accel-pppd/radius/dict/dictionary.rfc4072
new file mode 100644
index 0000000..2280d07
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc4072
@@ -0,0 +1,9 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 4072
+#	http://www.ietf.org/rfc/4072.txt
+#
+#	$Id: dictionary.rfc4072,v 1.1 2007/11/14 09:00:25 aland Exp $
+#
+
+ATTRIBUTE	EAP-Key-Name				102	string
diff --git a/accel-pppd/radius/dict/dictionary.rfc4372 b/accel-pppd/radius/dict/dictionary.rfc4372
new file mode 100644
index 0000000..b8af44a
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc4372
@@ -0,0 +1,8 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 4372.
+#	http://www.ietf.org/rfc/4372.txt
+#
+#	$Id: dictionary.rfc4372,v 1.1 2007/04/07 14:47:34 aland Exp $
+#
+ATTRIBUTE	Chargeable-User-Identity		89	string
diff --git a/accel-pppd/radius/dict/dictionary.rfc4675 b/accel-pppd/radius/dict/dictionary.rfc4675
new file mode 100644
index 0000000..8d1187f
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc4675
@@ -0,0 +1,28 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 4675.
+#	http://www.ietf.org/rfc/4675.txt
+#
+#	$Id: dictionary.rfc4675,v 1.1 2007/04/07 14:54:14 aland Exp $
+#
+
+#
+#  High byte = '1' (0x31) means the frames are tagged.
+#  High byte = '2' (0x32) means the frames are untagged.
+#
+#  Next 12 bits MUST be zero.
+#
+#  Lower 12 bits is the IEEE-802.1Q VLAN VID.
+#
+ATTRIBUTE	Egress-VLANID				56	integer
+ATTRIBUTE	Ingress-Filters				57	integer
+
+#
+#  First byte == '1' (0x31) means that the frames are tagged.
+#  First byte == '2' (0x32) means that the frames are untagged.
+#
+ATTRIBUTE	Egress-VLAN-Name			58	string
+ATTRIBUTE	User-Priority-Table			59	octets # 8
+
+VALUE	Ingress-Filters			Enabled			1
+VALUE	Ingress-Filters			Disabled		2
diff --git a/accel-pppd/radius/dict/dictionary.rfc4679 b/accel-pppd/radius/dict/dictionary.rfc4679
new file mode 100644
index 0000000..39892a5
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc4679
@@ -0,0 +1,62 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 4679.
+#	http://www.ietf.org/rfc/4679.txt
+#
+#	$Id: dictionary.rfc4679,v 1.1 2007/04/08 14:18:01 aland Exp $
+#
+
+VENDOR		ADSL-Forum			3561
+
+BEGIN-VENDOR	ADSL-Forum
+
+#
+#  The first two attributes are prefixed with "ADSL-" because of
+#  conflicting names in dictionary.redback.
+#
+ATTRIBUTE	ADSL-Agent-Circuit-Id			1	string
+ATTRIBUTE	ADSL-Agent-Remote-Id			2	string
+ATTRIBUTE	Actual-Data-Rate-Upstream		129	integer
+ATTRIBUTE	Actual-Data-Rate-Downstream		130	integer
+ATTRIBUTE	Minimum-Data-Rate-Upstream		131	integer
+ATTRIBUTE	Minimum-Data-Rate-Downstream		132	integer
+ATTRIBUTE	Attainable-Data-Rate-Upstream		133	integer
+ATTRIBUTE	Attainable-Data-Rate-Downstream		134	integer
+ATTRIBUTE	Maximum-Data-Rate-Upstream		135	integer
+ATTRIBUTE	Maximum-Data-Rate-Downstream		136	integer
+ATTRIBUTE	Minimum-Data-Rate-Upstream-Low-Power	137	integer
+ATTRIBUTE	Minimum-Data-Rate-Downstream-Low-Power	138	integer
+ATTRIBUTE	Maximum-Interleaving-Delay-Upstream	139	integer
+ATTRIBUTE	Actual-Interleaving-Delay-Upstream	140	integer
+ATTRIBUTE	Maximum-Interleaving-Delay-Downstream	141	integer
+ATTRIBUTE	Actual-Interleaving-Delay-Downstream	142	integer
+
+#
+#  This next attribute has a weird encoding.
+#
+#  Octet[0] - 0x01	AAL5
+#  Octet[0] - 0x02	Ethernet
+
+#  Octet[1] - 0x00	Not Available
+#  Octet[1] - 0x01	Untagged Ethernet
+#  Octet[1] - 0x02	Single-Tagged Ethernet
+
+#  Octet[2] - 0x00	Not available
+#  Octet[2] - 0x01	PPPoA LLC
+#  Octet[2] - 0x02	PPPoA Null
+#  Octet[2] - 0x03	IPoA LLC
+#  Octet[2] - 0x04	IPoA NULL
+#  Octet[2] - 0x05	Ethernet over AAL5 LLC with FCS
+#  Octet[2] - 0x06	Ethernet over AAL5 LLC without FCS
+#  Octet[2] - 0x07	Ethernet over AAL5 Null with FCS
+#  Octet[2] - 0x08	Ethernet over AAL5 Null without FCS
+#
+ATTRIBUTE	Access-Loop-Encapsulation		144	octets # 3
+
+#
+#  If this attribute exists, it means that IFW has been performed
+#  for the subscribers session.
+#
+ATTRIBUTE	IWF-Session				252	octets # 0
+
+END-VENDOR ADSL-Forum
diff --git a/accel-pppd/radius/dict/dictionary.rfc4818 b/accel-pppd/radius/dict/dictionary.rfc4818
new file mode 100644
index 0000000..4ea5945
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc4818
@@ -0,0 +1,11 @@
+# -*- text -*-
+##############################################################################
+#
+#	Attributes and values defined in RFC 4818.
+#	http://www.ietf.org/rfc/rfc4818.txt
+#
+#	$Id: dictionary.rfc4818,v 1.1 2007/05/16 10:06:36 aland Exp $
+#
+##############################################################################
+
+ATTRIBUTE	Delegated-IPv6-Prefix			123	ipv6prefix
diff --git a/accel-pppd/radius/dict/dictionary.rfc4849 b/accel-pppd/radius/dict/dictionary.rfc4849
new file mode 100644
index 0000000..1738eea
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc4849
@@ -0,0 +1,8 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 4849.
+#	http://www.ietf.org/rfc/rfc4849.txt
+#
+#	$Id: dictionary.rfc4849,v 1.2 2007/06/15 13:08:03 aland Exp $
+#
+ATTRIBUTE	NAS-Filter-Rule				92	string
diff --git a/accel-pppd/radius/dict/dictionary.rfc5176 b/accel-pppd/radius/dict/dictionary.rfc5176
new file mode 100644
index 0000000..9308961
--- /dev/null
+++ b/accel-pppd/radius/dict/dictionary.rfc5176
@@ -0,0 +1,9 @@
+# -*- text -*-
+#
+#	Attributes and values defined in RFC 5176.
+#	http://www.ietf.org/rfc/rfc5176.txt
+#
+#	$Id: dictionary.rfc5176,v 1.1 2008/03/08 16:17:44 aland Exp $
+#
+VALUE	Error-Cause		Invalid-Attribute-Value	407
+VALUE	Error-Cause		Multiple-Session-Selection-Unsupported 508
diff --git a/accel-pppd/radius/dict2c.py b/accel-pppd/radius/dict2c.py
new file mode 100644
index 0000000..ff0961e
--- /dev/null
+++ b/accel-pppd/radius/dict2c.py
@@ -0,0 +1,20 @@
+import sys,re
+
+hdr = file(sys.argv[2],'w')
+
+def process(fname, hdr):
+	for line in file(fname):
+		if line[:-1].strip() == '':
+			continue
+		if line[0] == '#':
+			continue
+		f = re.compile('[$.a-zA-Z0-9\-]+').findall(line)
+		if f[0] == 'ATTRIBUTE' or f[0] == 'VENDOR':
+			hdr.write('#define {0} {1}\n'.format(f[1].replace('-','_').replace('.','_'), f[2]))
+		elif f[0] == 'VALUE':
+			hdr.write('#define {0}_{1} {2}\n'.format(f[1].replace('-','_').replace('.','_'), f[2].replace('-','_'),f[3]))
+		elif f[0] == '$INCLUDE':
+			process(f[1], hdr)
+
+if __name__ == '__main__':
+	process(sys.argv[1], hdr)
diff --git a/accel-pppd/radius/dm_coa.c b/accel-pppd/radius/dm_coa.c
new file mode 100644
index 0000000..366bb41
--- /dev/null
+++ b/accel-pppd/radius/dm_coa.c
@@ -0,0 +1,295 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <time.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <openssl/md5.h>
+
+#include "triton.h"
+#include "events.h"
+#include "log.h"
+
+#include "radius_p.h"
+
+#include "memdebug.h"
+
+#define PD_COA_PORT 3799
+
+struct dm_coa_serv_t
+{
+	struct triton_context_t ctx;
+	struct triton_md_handler_t hnd;
+};
+
+static struct dm_coa_serv_t serv;
+
+static int dm_coa_check_RA(struct rad_packet_t *pack, const char *secret)
+{
+	uint8_t RA[16];
+	MD5_CTX ctx;
+
+	memset(RA, 0, 16);
+	
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, pack->buf, 4);
+	MD5_Update(&ctx, RA, 16);
+	MD5_Update(&ctx, pack->buf + 20, pack->len - 20);
+	MD5_Update(&ctx, secret, strlen(secret));
+	MD5_Final(RA, &ctx);
+
+	return memcmp(RA, pack->buf + 4, 16);
+}
+
+static void dm_coa_set_RA(struct rad_packet_t *pack, const char *secret)
+{
+	MD5_CTX ctx;
+
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, pack->buf, pack->len);
+	MD5_Update(&ctx, secret, strlen(secret));
+	MD5_Final(pack->buf + 4, &ctx);
+}
+
+static int dm_coa_send_ack(int fd, struct rad_packet_t *req, struct sockaddr_in *addr)
+{
+	struct rad_packet_t *reply;
+	uint8_t RA[16];
+
+	memcpy(RA, req->buf + 4, sizeof(RA));
+
+	reply = rad_packet_alloc(req->code == CODE_COA_REQUEST ? CODE_COA_ACK : CODE_DISCONNECT_ACK);
+	if (!reply)
+		return -1;
+
+	reply->id = req->id;
+	
+	if (rad_packet_build(reply, RA)) {
+		rad_packet_free(reply);
+		return -1;
+	}
+
+	dm_coa_set_RA(reply, conf_dm_coa_secret);
+
+	if (conf_verbose) {
+		log_ppp_info2("send ");
+		rad_packet_print(reply, log_ppp_info2);
+	}
+
+	rad_packet_send(reply, fd, addr);
+	
+	rad_packet_free(reply);
+
+	return 0;
+}
+
+static int dm_coa_send_nak(int fd, struct rad_packet_t *req, struct sockaddr_in *addr, int err_code)
+{
+	struct rad_packet_t *reply;
+	uint8_t RA[16];
+
+	memcpy(RA, req->buf + 4, sizeof(RA));
+
+	reply = rad_packet_alloc(req->code == CODE_COA_REQUEST ? CODE_COA_NAK : CODE_DISCONNECT_NAK);
+	if (!reply)
+		return -1;
+
+	reply->id = req->id;
+
+	if (err_code)
+		rad_packet_add_int(reply, NULL, "Error-Cause", err_code);
+
+	if (rad_packet_build(reply, RA)) {
+		rad_packet_free(reply);
+		return -1;
+	}
+
+	dm_coa_set_RA(reply, conf_dm_coa_secret);
+
+	if (conf_verbose) {
+		log_ppp_info2("send ");
+		rad_packet_print(reply, log_ppp_info2);
+	}
+
+	rad_packet_send(reply, fd, addr);
+	
+	rad_packet_free(reply);
+
+	return 0;
+}
+
+
+static void disconnect_request(struct radius_pd_t *rpd)
+{
+	if (conf_verbose) {
+		log_ppp_info2("recv ");
+		rad_packet_print(rpd->dm_coa_req, log_ppp_info2);
+	}
+
+	dm_coa_send_ack(serv.hnd.fd, rpd->dm_coa_req, &rpd->dm_coa_addr);
+
+	rad_packet_free(rpd->dm_coa_req);
+	
+	pthread_mutex_lock(&rpd->lock);
+	rpd->dm_coa_req = NULL;
+	pthread_mutex_unlock(&rpd->lock);
+
+	ppp_terminate(rpd->ppp, TERM_ADMIN_RESET, 0);
+}
+
+static void coa_request(struct radius_pd_t *rpd)
+{
+	struct ev_radius_t ev = {
+		.ppp = rpd->ppp,
+		.request = rpd->dm_coa_req,
+	};
+
+	if (conf_verbose) {
+		log_ppp_info2("recv ");
+		rad_packet_print(rpd->dm_coa_req, log_ppp_info2);
+	}
+
+	triton_event_fire(EV_RADIUS_COA, &ev);
+
+	if (ev.res)
+		dm_coa_send_nak(serv.hnd.fd, rpd->dm_coa_req, &rpd->dm_coa_addr, 0);
+	else
+		dm_coa_send_ack(serv.hnd.fd, rpd->dm_coa_req, &rpd->dm_coa_addr);
+	
+	rad_packet_free(rpd->dm_coa_req);
+
+	pthread_mutex_lock(&rpd->lock);
+	rpd->dm_coa_req = NULL;
+	pthread_mutex_unlock(&rpd->lock);
+}
+
+void dm_coa_cancel(struct radius_pd_t *rpd)
+{
+	triton_cancel_call(rpd->ppp->ctrl->ctx, (triton_event_func)disconnect_request);
+	triton_cancel_call(rpd->ppp->ctrl->ctx, (triton_event_func)coa_request);
+	rad_packet_free(rpd->dm_coa_req);
+}
+
+static int dm_coa_read(struct triton_md_handler_t *h)
+{
+	struct rad_packet_t *pack;
+	struct radius_pd_t *rpd;
+	int err_code;
+	struct sockaddr_in addr;
+
+	while (1) {
+		if (rad_packet_recv(h->fd, &pack, &addr))
+			return 0;
+
+		if (!pack)
+			continue;
+
+		if (pack->code != CODE_DISCONNECT_REQUEST	&& pack->code != CODE_COA_REQUEST) {
+			log_warn("radius:dm_coa: unexpected code (%i) received\n", pack->code);
+			goto out_err_no_reply;
+		}
+
+		if (dm_coa_check_RA(pack, conf_dm_coa_secret)) {
+			log_warn("radius:dm_coa: RA validation failed\n");
+			goto out_err_no_reply;
+		}
+
+		if (conf_verbose) {
+			log_debug("recv ");
+			rad_packet_print(pack, log_debug);
+		}
+
+		if (rad_check_nas_pack(pack)) {
+			log_warn("radius:dm_coa: NAS identification failed\n");
+			err_code = 403;
+			goto out_err;
+		}
+		
+		rpd = rad_find_session_pack(pack);
+		if (!rpd) {
+			log_warn("radius:dm_coa: session not found\n");
+			err_code = 503;
+			goto out_err;
+		}
+		
+		if (rpd->dm_coa_req) {
+			pthread_mutex_unlock(&rpd->lock);
+			goto out_err_no_reply;
+		}
+
+		rpd->dm_coa_req = pack;
+		memcpy(&rpd->dm_coa_addr, &addr, sizeof(addr));
+
+		if (pack->code == CODE_DISCONNECT_REQUEST)
+			triton_context_call(rpd->ppp->ctrl->ctx, (triton_event_func)disconnect_request, rpd);
+		else
+			triton_context_call(rpd->ppp->ctrl->ctx, (triton_event_func)coa_request, rpd);
+
+		pthread_mutex_unlock(&rpd->lock);
+
+		continue;
+
+	out_err:
+		dm_coa_send_nak(h->fd, pack, &addr, err_code);
+
+	out_err_no_reply:
+		rad_packet_free(pack);
+	}
+}
+
+static void dm_coa_close(struct triton_context_t *ctx)
+{
+	struct dm_coa_serv_t *serv = container_of(ctx, typeof(*serv), ctx);
+	triton_md_unregister_handler(&serv->hnd);
+	close(serv->hnd.fd);
+	triton_context_unregister(ctx);
+}
+
+static struct dm_coa_serv_t serv = {
+	.ctx.close = dm_coa_close,
+	.ctx.before_switch = log_switch,
+	.hnd.read = dm_coa_read,
+};
+
+static void __init init(void)
+{
+	struct sockaddr_in addr;
+
+	if (!conf_dm_coa_secret) {
+		log_emerg("radius: no dm_coa_secret specified, DM/CoA disabled...\n");
+		return;
+	}
+
+	serv.hnd.fd = socket (PF_INET, SOCK_DGRAM, 0);
+  if (serv.hnd.fd < 0) {
+    log_emerg("radius:dm_coa: socket: %s\n", strerror(errno));
+    return;
+  }
+  addr.sin_family = AF_INET;
+  addr.sin_port = htons (conf_dm_coa_port);
+	if (conf_dm_coa_server)
+	  addr.sin_addr.s_addr = conf_dm_coa_server;
+	else
+		addr.sin_addr.s_addr = htonl (INADDR_ANY);
+  if (bind (serv.hnd.fd, (struct sockaddr *) &addr, sizeof (addr)) < 0) {
+    log_emerg("radius:dm_coa: bind: %s\n", strerror(errno));
+		close(serv.hnd.fd);
+    return;
+  }
+
+	if (fcntl(serv.hnd.fd, F_SETFL, O_NONBLOCK)) {
+    log_emerg("radius:dm_coa: failed to set nonblocking mode: %s\n", strerror(errno));
+		close(serv.hnd.fd);
+    return;
+	}
+	
+	triton_context_register(&serv.ctx, NULL);
+	triton_md_register_handler(&serv.ctx, &serv.hnd);
+	triton_md_enable_handler(&serv.hnd, MD_MODE_READ);
+	triton_context_wakeup(&serv.ctx);
+}
diff --git a/accel-pppd/radius/packet.c b/accel-pppd/radius/packet.c
new file mode 100644
index 0000000..4e24ded
--- /dev/null
+++ b/accel-pppd/radius/packet.c
@@ -0,0 +1,644 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "log.h"
+#include "mempool.h"
+
+#include "radius_p.h"
+
+#include "memdebug.h"
+
+static mempool_t packet_pool;
+static mempool_t attr_pool;
+
+struct rad_packet_t *rad_packet_alloc(int code)
+{
+	struct rad_packet_t *pack;
+
+	pack = mempool_alloc(packet_pool);
+	if (!pack) {
+		log_emerg("radius:packet: out of memory\n");
+		return NULL;
+	}
+
+	memset(pack, 0, sizeof(*pack));
+	pack->code = code;
+	pack->len = 20;
+	pack->id = 1;
+	INIT_LIST_HEAD(&pack->attrs);
+
+	return pack;
+}
+
+void print_buf(uint8_t *buf,int size)
+{
+	int i;
+	for(i=0;i<size;i++)
+		printf("%x ",buf[i]);
+	printf("\n");
+}
+
+int rad_packet_build(struct rad_packet_t *pack, uint8_t *RA)
+{
+	struct rad_attr_t *attr;
+	uint8_t *ptr;
+
+	if (pack->buf)
+		ptr = _realloc(pack->buf, pack->len);
+	else
+		ptr = _malloc(pack->len);
+
+	if (!ptr) {
+		log_emerg("radius:packet: out of memory\n");
+		return -1;
+	}
+	
+	pack->buf = ptr;
+	*ptr = pack->code; ptr++;
+	*ptr = pack->id; ptr++;
+	*(uint16_t*)ptr = htons(pack->len); ptr+= 2;
+	memcpy(ptr, RA, 16);	ptr+=16;
+
+	list_for_each_entry(attr, &pack->attrs, entry) {
+		if (attr->vendor) {
+			*ptr = 26; ptr++;
+			*ptr = attr->len + 2 + 6; ptr++;
+			*(uint32_t *)ptr = htonl(attr->vendor->id); ptr+=4;
+		} 
+		*ptr = attr->attr->id; ptr++;
+		*ptr = attr->len + 2; ptr++;
+		switch(attr->attr->type) {
+			case ATTR_TYPE_INTEGER:
+				*(uint32_t*)ptr = htonl(attr->val.integer);
+				break;
+			case ATTR_TYPE_OCTETS:
+			case ATTR_TYPE_STRING:
+				memcpy(ptr, attr->val.string, attr->len);
+				break;
+			case ATTR_TYPE_IPADDR:
+				*(in_addr_t*)ptr = attr->val.ipaddr;
+				break;
+			case ATTR_TYPE_DATE:
+				*(uint32_t*)ptr = htonl(attr->val.date);
+				break;
+			default:
+				log_emerg("radius:packet:BUG: unknown attribute type\n");
+				abort();
+		}
+		ptr += attr->len;
+	}
+
+	//print_buf(pack->buf, pack->len);
+	return 0;
+}
+
+int rad_packet_recv(int fd, struct rad_packet_t **p, struct sockaddr_in *addr)
+{
+	struct rad_packet_t *pack;
+	struct rad_attr_t *attr;
+	struct rad_dict_attr_t *da;
+	struct rad_dict_vendor_t *vendor;
+	uint8_t *ptr;
+	int n, id, len, vendor_id;
+	socklen_t addr_len = sizeof(*addr);
+
+	*p = NULL;
+
+	pack = rad_packet_alloc(0);
+	if (!pack)
+		return 0;
+
+	pack->buf = _malloc(REQ_LENGTH_MAX);
+	if (!pack->buf) {
+		log_emerg("radius:packet: out of memory\n");
+		goto out_err;
+	}
+
+	while (1) {
+		if (addr)
+			n = recvfrom(fd, pack->buf, REQ_LENGTH_MAX, 0, addr, &addr_len);
+		else
+			n = read(fd, pack->buf, REQ_LENGTH_MAX);
+		if (n < 0) {
+			if (errno == EAGAIN) {
+				rad_packet_free(pack);
+				return -1;
+			}
+			if (errno != ECONNREFUSED)
+				log_ppp_error("radius:packet:read: %s\n", strerror(errno));
+			goto out_err;
+		}
+		break;
+	}
+
+	if (n < 20) {
+		log_ppp_warn("radius:packet: short packed received (%i)\n", n);
+		goto out_err;
+	}
+
+	ptr = (uint8_t *)pack->buf;
+
+	pack->code = *ptr; ptr++;
+	pack->id = *ptr; ptr++;
+	pack->len = ntohs(*(uint16_t*)ptr); ptr += 2;
+
+	if (pack->len > n) {
+		log_ppp_warn("radius:packet: short packet received %i, expected %i\n", pack->len, n);
+		goto out_err;
+	}
+
+	ptr += 16;
+	n -= 20;
+
+	while (n>0) {
+		id = *ptr; ptr++;
+		len = *ptr - 2; ptr++;
+		if (len < 0) {
+			log_ppp_warn("radius:packet short attribute len received\n");
+			goto out_err;
+		}
+		if (2 + len > n) {
+			log_ppp_warn("radius:packet: too long attribute received (%i, %i)\n", id, len);
+			goto out_err;
+		}
+		if (id == 26) {
+			vendor_id = ntohl(*(uint32_t *)ptr);
+			vendor = rad_dict_find_vendor_id(vendor_id);
+			if (vendor) {
+				ptr += 4;
+				id = *ptr; ptr++;
+				len = *ptr - 2; ptr++;
+				n -= 2 + 4;
+			} else
+				log_ppp_warn("radius:packet: vendor %i not found\n", id);
+		} else
+			vendor = NULL;
+		da = rad_dict_find_attr_id(vendor, id);
+		if (da) {
+			attr = mempool_alloc(attr_pool);
+			if (!attr) {
+				log_emerg("radius:packet: out of memory\n");
+				goto out_err;
+			}
+			memset(attr, 0, sizeof(*attr));
+			attr->vendor = vendor;
+			attr->attr = da;
+			attr->len = len;
+			switch (da->type) {
+				case ATTR_TYPE_STRING:
+					attr->val.string = _malloc(len+1);
+					if (!attr->val.string) {
+						log_emerg("radius:packet: out of memory\n");
+						_free(attr);
+						goto out_err;
+					}
+					memcpy(attr->val.string, ptr, len);
+					attr->val.string[len] = 0;
+					break;
+				case ATTR_TYPE_OCTETS:
+					attr->val.octets = _malloc(len);
+					if (!attr->val.octets) {
+						log_emerg("radius:packet: out of memory\n");
+						_free(attr);
+						goto out_err;
+					}
+					memcpy(attr->val.octets, ptr, len);
+					break;				
+				case ATTR_TYPE_DATE:
+				case ATTR_TYPE_INTEGER:
+					attr->val.integer = ntohl(*(uint32_t*)ptr);
+					break;
+				case ATTR_TYPE_IPADDR:
+					attr->val.integer = *(uint32_t*)ptr;
+					break;
+			}
+			list_add_tail(&attr->entry, &pack->attrs);
+		} else
+			log_ppp_warn("radius:packet: unknown attribute received (%i,%i)\n", vendor ? vendor->id : 0, id);
+		ptr += len;
+		n -= 2 + len;
+	}
+
+	*p = pack;
+
+	return 0;
+
+out_err:
+	rad_packet_free(pack);
+	return 0;
+}
+
+void rad_packet_free(struct rad_packet_t *pack)
+{
+	struct rad_attr_t *attr;
+	
+	if (pack->buf)
+		_free(pack->buf);
+
+	while(!list_empty(&pack->attrs)) {
+		attr = list_entry(pack->attrs.next, typeof(*attr), entry);
+		list_del(&attr->entry);
+		if (attr->attr->type == ATTR_TYPE_STRING || attr->attr->type == ATTR_TYPE_OCTETS)
+			_free(attr->val.string);
+		mempool_free(attr);
+	}
+
+	mempool_free(pack);
+}
+
+void rad_packet_print(struct rad_packet_t *pack, void (*print)(const char *fmt, ...))
+{
+	struct rad_attr_t *attr;
+	struct rad_dict_value_t *val;
+	
+	print("[RADIUS ");
+	switch(pack->code) {
+		case CODE_ACCESS_REQUEST:
+			print("Access-Request");
+			break;
+		case CODE_ACCESS_CHALLENGE:
+			print("Access-Challenge");
+			break;
+		case CODE_ACCESS_ACCEPT:
+			print("Access-Accept");
+			break;
+		case CODE_ACCESS_REJECT:
+			print("Access-Reject");
+			break;
+		case CODE_ACCOUNTING_REQUEST:
+			print("Accounting-Request");
+			break;
+		case CODE_ACCOUNTING_RESPONSE:
+			print("Accounting-Response");
+			break;
+		case CODE_DISCONNECT_REQUEST:
+			print("Disconnect-Request");
+			break;
+		case CODE_DISCONNECT_ACK:
+			print("Disconnect-ACK");
+			break;
+		case CODE_DISCONNECT_NAK:
+			print("Disconnect-NAK");
+			break;
+		case CODE_COA_REQUEST:
+			print("CoA-Request");
+			break;
+		case CODE_COA_ACK:
+			print("CoA-ACK");
+			break;
+		case CODE_COA_NAK:
+			print("CoA-NAK");
+			break;
+		default:
+			print("Unknown (%i)", pack->code);
+	}
+	print(" id=%x", pack->id);
+
+	list_for_each_entry(attr, &pack->attrs, entry) {
+		if (attr->vendor)
+			print("<%s %s ", attr->vendor->name, attr->attr->name);
+		else
+			print(" <%s ", attr->attr->name);
+		switch (attr->attr->type) {
+			case ATTR_TYPE_INTEGER:
+				val = rad_dict_find_val(attr->attr, attr->val);
+				if (val)
+					print("%s", val->name);
+				else
+					print("%u", attr->val.integer);
+				break;
+			case ATTR_TYPE_STRING:
+				print("\"%s\"", attr->val.string);
+				break;
+			case ATTR_TYPE_IPADDR:
+				print("%i.%i.%i.%i", attr->val.ipaddr & 0xff, (attr->val.ipaddr >> 8) & 0xff, (attr->val.ipaddr >> 16) & 0xff, (attr->val.ipaddr >> 24) & 0xff);
+				break;
+		}
+		print(">");
+	}
+	print("]\n");
+}
+
+int __export rad_packet_add_int(struct rad_packet_t *pack, const char *vendor_name, const char *name, int val)
+{
+	struct rad_attr_t *ra;
+	struct rad_dict_attr_t *attr;
+	struct rad_dict_vendor_t *vendor;
+
+	if (pack->len + (vendor_name ? 8 : 2) + 4 >= REQ_LENGTH_MAX)
+		return -1;
+
+	if (vendor_name) {
+		vendor = rad_dict_find_vendor_name(vendor_name);
+		if (!vendor)
+			return -1;
+		attr = rad_dict_find_vendor_attr(vendor, name);
+	} else {
+		vendor = NULL;
+		attr = rad_dict_find_attr(name);
+	}
+
+	if (!attr)
+		return -1;
+	
+	ra = mempool_alloc(attr_pool);
+	if (!ra)
+		return -1;
+
+	memset(ra, 0, sizeof(*ra));
+	ra->vendor = vendor;
+	ra->attr = attr;
+	ra->len = 4;
+	ra->val.integer = val;
+	list_add_tail(&ra->entry, &pack->attrs);
+	pack->len += (vendor_name ? 8 : 2) + 4;
+
+	return 0;
+}
+
+int __export rad_packet_change_int(struct rad_packet_t *pack, const char *vendor_name, const char *name, int val)
+{
+	struct rad_attr_t *ra;
+	
+	ra = rad_packet_find_attr(pack, vendor_name, name);
+	if (!ra)
+		return -1;
+
+	ra->val.integer = val;
+
+	return 0;
+}
+
+int __export rad_packet_add_octets(struct rad_packet_t *pack, const char *vendor_name, const char *name, const uint8_t *val, int len)
+{
+	struct rad_attr_t *ra;
+	struct rad_dict_attr_t *attr;
+	struct rad_dict_vendor_t *vendor;
+
+	if (pack->len + (vendor_name ? 8 : 2) + len >= REQ_LENGTH_MAX)
+		return -1;
+
+	if (vendor_name) {
+		vendor = rad_dict_find_vendor_name(vendor_name);
+		if (!vendor)
+			return -1;
+		attr = rad_dict_find_vendor_attr(vendor, name);
+	} else {
+		vendor = NULL;
+		attr = rad_dict_find_attr(name);
+	}
+	
+	if (!attr)
+		return -1;
+	
+	ra = mempool_alloc(attr_pool);
+	if (!ra) {
+		log_emerg("radius: out of memory\n");
+		return -1;
+	}
+
+	memset(ra, 0, sizeof(*ra));
+	ra->vendor = vendor;
+	ra->attr = attr;
+	ra->len = len;
+	ra->val.octets = _malloc(len);
+	if (!ra->val.octets) {
+		log_emerg("radius: out of memory\n");
+		_free(ra);
+		return -1;
+	}
+	memcpy(ra->val.octets, val, len);
+	list_add_tail(&ra->entry, &pack->attrs);
+	pack->len += (vendor_name ? 8 : 2) + len;
+
+	return 0;
+}
+
+int __export rad_packet_change_octets(struct rad_packet_t *pack, const char *vendor_name, const char *name, const uint8_t *val, int len)
+{
+	struct rad_attr_t *ra;
+	
+	ra = rad_packet_find_attr(pack, vendor_name, name);
+	if (!ra)
+		return -1;
+
+	if (ra->len != len) {
+		if (pack->len - ra->len + len >= REQ_LENGTH_MAX)
+			return -1;
+
+		ra->val.octets = _realloc(ra->val.octets, len);
+		if (!ra->val.octets) {
+			log_emerg("radius: out of memory\n");
+			return -1;
+		}
+	
+		pack->len += len - ra->len;
+		ra->len = len;
+	}
+
+	memcpy(ra->val.octets, val, len);
+
+	return 0;
+}
+
+
+int __export rad_packet_add_str(struct rad_packet_t *pack, const char *vendor_name, const char *name, const char *val)
+{
+	struct rad_attr_t *ra;
+	struct rad_dict_attr_t *attr;
+	struct rad_dict_vendor_t *vendor;
+	int len = strlen(val);
+
+	if (pack->len + (vendor_name ? 8 : 2) + len >= REQ_LENGTH_MAX)
+		return -1;
+
+	if (vendor_name) {
+		vendor = rad_dict_find_vendor_name(vendor_name);
+		if (!vendor)
+			return -1;
+		attr = rad_dict_find_vendor_attr(vendor, name);
+	} else {
+		vendor = NULL;
+		attr = rad_dict_find_attr(name);
+	}
+
+	if (!attr)
+		return -1;
+	
+	ra = mempool_alloc(attr_pool);
+	if (!ra) {
+		log_emerg("radius: out of memory\n");
+		return -1;
+	}
+
+	memset(ra, 0, sizeof(*ra));
+	ra->vendor = vendor;
+	ra->attr = attr;
+	ra->len = len;
+	ra->val.string = _malloc(len + 1);
+	if (!ra->val.string) {
+		log_emerg("radius: out of memory\n");
+		_free(ra);
+		return -1;
+	}
+	memcpy(ra->val.string, val, len);
+	ra->val.string[len] = 0;
+	list_add_tail(&ra->entry, &pack->attrs);
+	pack->len += (vendor_name ? 8 : 2) + len;
+
+	return 0;
+}
+
+int __export rad_packet_change_str(struct rad_packet_t *pack, const char *vendor_name, const char *name, const char *val, int len)
+{
+	struct rad_attr_t *ra;
+	
+	ra = rad_packet_find_attr(pack, vendor_name, name);
+	if (!ra)
+		return -1;
+
+	if (ra->len != len) {
+		if (pack->len - ra->len + len >= REQ_LENGTH_MAX)
+			return -1;
+
+		ra->val.string = _realloc(ra->val.string, len + 1);
+		if (!ra->val.string) {
+			log_emerg("radius: out of memory\n");
+			return -1;
+		}
+	
+		pack->len += len - ra->len;
+		ra->len = len;
+	}
+
+	memcpy(ra->val.string, val, len);
+	ra->val.string[len] = 0;
+
+	return 0;
+}
+
+int __export rad_packet_add_val(struct rad_packet_t *pack, const char *vendor_name, const char *name, const char *val)
+{
+	struct rad_attr_t *ra;
+	struct rad_dict_attr_t *attr;
+	struct rad_dict_value_t *v;
+	struct rad_dict_vendor_t *vendor;
+
+	if (pack->len + (vendor_name ? 8 : 2) + 4 >= REQ_LENGTH_MAX)
+		return -1;
+
+	if (vendor_name) {
+		vendor = rad_dict_find_vendor_name(vendor_name);
+		if (!vendor)
+			return -1;
+		attr = rad_dict_find_vendor_attr(vendor, name);
+	} else {
+		vendor = NULL;
+		attr = rad_dict_find_attr(name);
+	}
+	
+	if (!attr)
+		return -1;
+
+	v = rad_dict_find_val_name(attr, val);
+	if (!v)
+		return -1;
+	
+	ra = mempool_alloc(attr_pool);
+	if (!ra)
+		return -1;
+
+	memset(ra, 0, sizeof(*ra));
+	ra->vendor = vendor;
+	ra->attr = attr;
+	ra->len = 4;
+	ra->val = v->val;
+	list_add_tail(&ra->entry, &pack->attrs);
+	pack->len += (vendor_name ? 8 : 2) + 4;
+
+	return 0;
+}
+
+int __export rad_packet_change_val(struct rad_packet_t *pack, const char *vendor_name, const char *name, const char *val)
+{
+	struct rad_attr_t *ra;
+	struct rad_dict_value_t *v;
+	
+	ra = rad_packet_find_attr(pack, vendor_name, name);
+	if (!ra)
+		return -1;
+
+	v = rad_dict_find_val_name(ra->attr, val);
+	if (!v)
+		return -1;
+
+	ra->val = v->val;
+	
+	return 0;
+}
+
+int __export rad_packet_add_ipaddr(struct rad_packet_t *pack, const char *vendor_name, const char *name, in_addr_t ipaddr)
+{
+	return rad_packet_add_int(pack, vendor_name, name, ipaddr);
+}
+
+
+struct rad_attr_t __export *rad_packet_find_attr(struct rad_packet_t *pack, const char *vendor_name, const char *name)
+{
+	struct rad_attr_t *ra;
+	struct rad_dict_vendor_t *vendor;
+
+	if (vendor_name) {
+		vendor = rad_dict_find_vendor_name(vendor_name);
+		if (!vendor)
+			return NULL;
+	} else
+		vendor = NULL;
+	
+	list_for_each_entry(ra, &pack->attrs, entry) {
+		if (vendor && vendor != ra->vendor)
+			continue;
+
+		if (strcmp(ra->attr->name, name))
+			continue;
+		
+		return ra;
+	}
+
+	return NULL;
+}
+
+int rad_packet_send(struct rad_packet_t *pack, int fd, struct sockaddr_in *addr)
+{
+	int n;
+
+	while (1) {
+		if (addr)
+			n = sendto(fd, pack->buf, pack->len, 0, addr, sizeof(*addr));
+		else
+			n = write(fd, pack->buf, pack->len);
+		if (n < 0) {
+			if (errno == EINTR)
+				continue;
+			log_ppp_error("radius:write: %s\n", strerror(errno));
+			return -1;
+		} else if (n != pack->len) {
+			log_ppp_error("radius:write: short write %i, excpected %i\n", n, pack->len);
+			return -1;
+		}
+		break;
+	}
+
+	return 0;
+}
+
+static void __init init(void)
+{
+	attr_pool = mempool_create(sizeof(struct rad_attr_t));
+	packet_pool = mempool_create(sizeof(struct rad_packet_t));
+}
diff --git a/accel-pppd/radius/radius.c b/accel-pppd/radius/radius.c
new file mode 100644
index 0000000..8976a33
--- /dev/null
+++ b/accel-pppd/radius/radius.c
@@ -0,0 +1,529 @@
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+
+#include "mempool.h"
+#include "events.h"
+#include "log.h"
+#include "ppp.h"
+#include "pwdb.h"
+#include "ipdb.h"
+#include "ppp_auth.h"
+#include "cli.h"
+
+#include "radius_p.h"
+#include "attr_defs.h"
+
+#include "memdebug.h"
+
+#define CHAP_MD5 5
+#define MSCHAP_V1 0x80
+#define MSCHAP_V2 0x81
+
+int conf_max_try = 3;
+int conf_timeout = 3;
+int conf_acct_timeout = 600;
+char *conf_nas_identifier;
+in_addr_t conf_nas_ip_address;
+in_addr_t conf_gw_ip_address;
+in_addr_t conf_bind;
+int conf_verbose;
+int conf_interim_verbose;
+
+in_addr_t conf_auth_server;
+int conf_auth_server_port = 1812;
+char *conf_auth_secret;
+
+in_addr_t conf_acct_server;
+int conf_acct_server_port = 1813;
+char *conf_acct_secret;
+
+in_addr_t conf_dm_coa_server;
+int conf_dm_coa_port = 3799;
+char *conf_dm_coa_secret;
+
+int conf_sid_in_auth;
+int conf_require_nas_ident;
+int conf_acct_interim_interval;
+
+unsigned long stat_auth_sent;
+unsigned long stat_auth_lost;
+unsigned long stat_acct_sent;
+unsigned long stat_acct_lost;
+unsigned long stat_interim_sent;
+unsigned long stat_interim_lost;
+
+static LIST_HEAD(sessions);
+static pthread_rwlock_t sessions_lock = PTHREAD_RWLOCK_INITIALIZER;
+
+static void *pd_key;
+static struct ipdb_t ipdb;
+
+static mempool_t rpd_pool;
+
+int rad_proc_attrs(struct rad_req_t *req)
+{
+	struct rad_attr_t *attr;
+	int res = 0;
+
+	req->rpd->acct_interim_interval = conf_acct_interim_interval;
+
+	list_for_each_entry(attr, &req->reply->attrs, entry) {
+		if (attr->vendor)
+			continue;
+		switch(attr->attr->id) {
+			case Framed_IP_Address:
+				if (!conf_gw_ip_address)
+					log_ppp_warn("radius: gw-ip-address not specified, cann't assign IP address...\n");
+				else {
+					req->rpd->ipaddr.owner = &ipdb;
+					req->rpd->ipaddr.peer_addr = attr->val.ipaddr;
+					req->rpd->ipaddr.addr = conf_gw_ip_address;
+				}
+				break;
+			case Acct_Interim_Interval:
+				req->rpd->acct_interim_interval = attr->val.integer;
+				break;
+			case Session_Timeout:
+				req->rpd->session_timeout.period = attr->val.integer * 1000;
+				break;
+			case Class:
+				if (!req->rpd->attr_class)
+					req->rpd->attr_class = _malloc(attr->len);
+				else if (req->rpd->attr_class_len != attr->len)
+					req->rpd->attr_class = _realloc(req->rpd->attr_class, attr->len);
+				memcpy(req->rpd->attr_class, attr->val.octets, attr->len);
+				req->rpd->attr_class_len = attr->len;
+				break;
+			case State:
+				if (!req->rpd->attr_state)
+					req->rpd->attr_state = _malloc(attr->len);
+				else if (req->rpd->attr_state_len != attr->len)
+					req->rpd->attr_state = _realloc(req->rpd->attr_state, attr->len);
+				memcpy(req->rpd->attr_state, attr->val.octets, attr->len);
+				req->rpd->attr_state_len = attr->len;	
+				break;
+			case Termination_Action:
+				req->rpd->termination_action = attr->val.integer; 
+				break;
+		}
+	}
+
+	return res;
+}
+
+static int check(struct pwdb_t *pwdb, struct ppp_t *ppp, const char *username, int type, va_list _args)
+{
+	int r = PWDB_NO_IMPL;
+	va_list args;
+	int chap_type;
+	struct radius_pd_t *rpd = find_pd(ppp);
+
+	va_copy(args, _args);
+
+	switch(type) {
+		case PPP_PAP:
+			r = rad_auth_pap(rpd, username, args);
+			break;
+		case PPP_CHAP:
+			chap_type = va_arg(args, int);
+			switch(chap_type) {
+				case CHAP_MD5:
+					r = rad_auth_chap_md5(rpd, username, args);
+					break;
+				case MSCHAP_V1:
+					r = rad_auth_mschap_v1(rpd, username, args);
+					break;
+				case MSCHAP_V2:
+					r = rad_auth_mschap_v2(rpd, username, args);
+					break;
+			}
+			break;
+	}
+
+	va_end(args);
+
+	return r;
+}
+
+static struct ipdb_item_t *get_ip(struct ppp_t *ppp)
+{
+	struct radius_pd_t *rpd = find_pd(ppp);
+	
+	if (rpd->ipaddr.peer_addr)
+		return &rpd->ipaddr;
+	return NULL;
+}
+
+static void session_timeout(struct triton_timer_t *t)
+{
+	struct radius_pd_t *rpd = container_of(t, typeof(*rpd), session_timeout);
+	log_ppp_msg("radius: session timed out\n");
+
+	if (rpd->ppp->stop_time)
+		return;
+
+	if (rpd->termination_action == Termination_Action_RADIUS_Request) {
+		if (ppp_auth_restart(rpd->ppp))
+			ppp_terminate(rpd->ppp, TERM_SESSION_TIMEOUT, 0);
+	} else
+		ppp_terminate(rpd->ppp, TERM_SESSION_TIMEOUT, 0);
+}
+
+static void ppp_starting(struct ppp_t *ppp)
+{
+	struct radius_pd_t *rpd = mempool_alloc(rpd_pool);
+
+	memset(rpd, 0, sizeof(*rpd));
+	rpd->pd.key = &pd_key;
+	rpd->ppp = ppp;
+	pthread_mutex_init(&rpd->lock, NULL);
+	INIT_LIST_HEAD(&rpd->plugin_list);
+	list_add_tail(&rpd->pd.entry, &ppp->pd_list);
+
+	pthread_rwlock_wrlock(&sessions_lock);
+	list_add_tail(&rpd->entry, &sessions);
+	pthread_rwlock_unlock(&sessions_lock);
+}
+
+static void ppp_acct_start(struct ppp_t *ppp)
+{
+	struct radius_pd_t *rpd = find_pd(ppp);
+
+	if (rad_acct_start(rpd)) {
+		ppp_terminate(rpd->ppp, TERM_NAS_ERROR, 0);
+		return;
+	}
+	
+	if (rpd->session_timeout.period) {
+		rpd->session_timeout.expire = session_timeout;
+		triton_timer_add(ppp->ctrl->ctx, &rpd->session_timeout, 0);
+	}
+}
+static void ppp_finishing(struct ppp_t *ppp)
+{
+	struct radius_pd_t *rpd = find_pd(ppp);
+
+	rad_acct_stop(rpd);
+}
+static void ppp_finished(struct ppp_t *ppp)
+{
+	struct radius_pd_t *rpd = find_pd(ppp);
+
+	pthread_rwlock_wrlock(&sessions_lock);
+	pthread_mutex_lock(&rpd->lock);
+	list_del(&rpd->entry);
+	pthread_mutex_unlock(&rpd->lock);
+	pthread_rwlock_unlock(&sessions_lock);
+
+	if (rpd->auth_req)
+		rad_req_free(rpd->auth_req);
+
+	if (rpd->acct_req)
+		rad_req_free(rpd->acct_req);
+
+	if (rpd->dm_coa_req)
+		dm_coa_cancel(rpd);
+
+	if (rpd->session_timeout.tpd)
+		triton_timer_del(&rpd->session_timeout);
+
+	if (rpd->attr_class)
+		_free(rpd->attr_class);
+	
+	if (rpd->attr_state)
+		_free(rpd->attr_state);
+	
+	list_del(&rpd->pd.entry);
+	
+	mempool_free(rpd);
+}
+
+struct radius_pd_t *find_pd(struct ppp_t *ppp)
+{
+	struct ppp_pd_t *pd;
+	struct radius_pd_t *rpd;
+
+	list_for_each_entry(pd, &ppp->pd_list, entry) {
+		if (pd->key == &pd_key) {
+			rpd = container_of(pd, typeof(*rpd), pd);
+			return rpd;
+		}
+	}
+	log_emerg("radius:BUG: rpd not found\n");
+	abort();
+}
+
+
+struct radius_pd_t *rad_find_session(const char *sessionid, const char *username, int port_id, in_addr_t ipaddr, const char *csid)
+{
+	struct radius_pd_t *rpd;
+	
+	pthread_rwlock_rdlock(&sessions_lock);
+	list_for_each_entry(rpd, &sessions, entry) {
+		if (!rpd->ppp->username)
+			continue;
+		if (sessionid && strcmp(sessionid, rpd->ppp->sessionid))
+			continue;
+		if (username && strcmp(username, rpd->ppp->username))
+			continue;
+		if (port_id >= 0 && port_id != rpd->ppp->unit_idx)
+			continue;
+		if (ipaddr && ipaddr != rpd->ppp->peer_ipaddr)
+			continue;
+		if (csid && rpd->ppp->ctrl->calling_station_id && strcmp(csid, rpd->ppp->ctrl->calling_station_id))
+			continue;
+		pthread_mutex_lock(&rpd->lock);
+		pthread_rwlock_unlock(&sessions_lock);
+		return rpd;
+	}
+	pthread_rwlock_unlock(&sessions_lock);
+	return NULL;
+}
+
+struct radius_pd_t *rad_find_session_pack(struct rad_packet_t *pack)
+{
+	struct rad_attr_t *attr;
+	const char *sessionid = NULL;
+	const char *username = NULL;
+	const char *csid = NULL;
+	int port_id = -1;
+	in_addr_t ipaddr = 0;
+	
+	list_for_each_entry(attr, &pack->attrs, entry) {
+		switch(attr->attr->id) {
+			case Acct_Session_Id:
+				sessionid = attr->val.string;
+				break;
+			case User_Name:
+				username = attr->val.string;
+				break;
+			case NAS_Port:
+				port_id = attr->val.integer;
+				break;
+			case Framed_IP_Address:
+				ipaddr = attr->val.ipaddr;
+				break;
+			case Calling_Station_Id:
+				csid = attr->val.string;
+				break;
+		}
+	}
+
+	if (!sessionid && !username && port_id == -1 && ipaddr == 0 && !csid)
+		return NULL;
+
+	if (username && !sessionid && port_id == -1 && ipaddr == 0)
+		return NULL;
+	
+	return rad_find_session(sessionid, username, port_id, ipaddr, csid);
+}
+
+int rad_check_nas_pack(struct rad_packet_t *pack)
+{
+	struct rad_attr_t *attr;
+	const char *ident = NULL;
+	in_addr_t ipaddr = 0;
+	
+	list_for_each_entry(attr, &pack->attrs, entry) {
+		if (!strcmp(attr->attr->name, "NAS-Identifier"))
+			ident = attr->val.string;
+		else if (!strcmp(attr->attr->name, "NAS-IP-Address"))
+			ipaddr = attr->val.ipaddr;
+	}
+
+	if (conf_require_nas_ident && !ident && !ipaddr)
+		return -1;
+
+	if (conf_nas_identifier && ident && strcmp(conf_nas_identifier, ident))
+		return -1;
+
+	if (conf_nas_ip_address && ipaddr && conf_nas_ip_address != ipaddr)
+		return -1;
+	
+	return 0;
+}
+
+static int show_stat_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
+{
+	cli_send(client, "radius:\r\n");
+	cli_sendv(client, "  auth sent: %lu\r\n", stat_auth_sent);
+	cli_sendv(client, "  auth lost: %lu\r\n", stat_auth_lost);
+	cli_sendv(client, "  acct sent: %lu\r\n", stat_acct_sent);
+	cli_sendv(client, "  acct lost: %lu\r\n", stat_acct_lost);
+	cli_sendv(client, "  interim sent: %lu\r\n", stat_interim_sent);
+	cli_sendv(client, "  interim lost: %lu\r\n", stat_interim_lost);
+	return CLI_CMD_OK;
+}
+
+void __export rad_register_plugin(struct ppp_t *ppp, struct rad_plugin_t *plugin)
+{
+	struct radius_pd_t *rpd = find_pd(ppp);
+
+	if (!rpd)
+		return;
+
+	list_add_tail(&plugin->entry, &rpd->plugin_list);
+}
+
+static struct ipdb_t ipdb = {
+	.get = get_ip,
+};
+
+static struct pwdb_t pwdb = {
+	.check = check,
+};
+
+static int parse_server(const char *opt, in_addr_t *addr, int *port, char **secret)
+{
+	char *str = _strdup(opt);
+	char *p1, *p2;
+
+	p1 = strstr(str, ":");
+	p2 = strstr(str, ",");
+
+	if (p1)
+		*p1 = 0;
+	if (p2)
+		*p2 = 0;
+	else
+		return -1;
+	
+	*addr = inet_addr(str);
+	
+	if (p1) {
+		*port = atoi(p1 + 1);
+		if (*port <=0 )
+			return -1;
+	}
+
+	p1 = _strdup(p2 + 1);
+	p2 = *secret;
+	*secret = p1;
+	if (p2)
+		_free(p2);
+	
+	_free(str);
+
+	return 0;
+}
+
+static int load_config(void)
+{
+	char *opt;
+
+	opt = conf_get_opt("radius", "max-try");
+	if (opt && atoi(opt) > 0)
+		conf_max_try = atoi(opt);
+	
+	opt = conf_get_opt("radius", "timeout");
+	if (opt && atoi(opt) > 0)
+		conf_timeout = atoi(opt);
+
+	opt = conf_get_opt("radius", "acct-timeout");
+	if (opt && atoi(opt) > 0)
+		conf_acct_timeout = atoi(opt);
+
+	opt = conf_get_opt("radius", "verbose");
+	if (opt && atoi(opt) > 0)
+		conf_verbose = 1;
+	
+	opt = conf_get_opt("radius", "interim-verbose");
+	if (opt && atoi(opt) > 0)
+		conf_interim_verbose = 1;
+	
+	opt = conf_get_opt("radius", "nas-ip-address");
+	if (opt)
+		conf_nas_ip_address = inet_addr(opt);
+	
+	if (conf_nas_identifier)
+		_free(conf_nas_identifier);
+	opt = conf_get_opt("radius", "nas-identifier");
+	if (opt)
+		conf_nas_identifier = _strdup(opt);
+	else
+		conf_nas_identifier = NULL;
+	
+	opt = conf_get_opt("radius", "gw-ip-address");
+	if (opt)
+		conf_gw_ip_address = inet_addr(opt);
+
+	opt = conf_get_opt("radius", "bind");
+	if (opt)
+		conf_bind = inet_addr(opt);
+	else if (conf_nas_ip_address)
+		conf_bind = conf_nas_ip_address;
+
+	opt = conf_get_opt("radius", "auth-server");
+	if (!opt)
+		opt = conf_get_opt("radius", "auth_server");
+	if (!opt) {
+		log_emerg("radius: auth-server not specified\n");
+		return -1;
+	} else if (parse_server(opt, &conf_auth_server, &conf_auth_server_port, &conf_auth_secret)) {
+		log_emerg("radius: failed to parse auth_server\n");
+		return -1;
+	}
+
+	opt = conf_get_opt("radius", "acct-server");
+	if (!opt)
+		opt = conf_get_opt("radius", "acct_server");
+	if (!opt)
+		log_emerg("radius: acct-server not specified\n");
+	if (opt && parse_server(opt, &conf_acct_server, &conf_acct_server_port, &conf_acct_secret)) {
+		log_emerg("radius: failed to parse acct_server\n");
+		return -1;
+	}
+
+	opt = conf_get_opt("radius", "dae-server");
+	if (opt && parse_server(opt, &conf_dm_coa_server, &conf_dm_coa_port, &conf_dm_coa_secret)) {
+		log_emerg("radius: failed to parse dae-server\n");
+		return -1;
+	}
+
+	opt = conf_get_opt("radius", "sid_in_auth");
+	if (opt && atoi(opt) > 0)
+		conf_sid_in_auth = 1;
+	
+	opt = conf_get_opt("radius", "require-nas-identification");
+	if (opt && atoi(opt) > 0)
+		conf_require_nas_ident = 1;
+	
+	opt = conf_get_opt("radius", "acct-interim-interval");
+	if (opt && atoi(opt) > 0)
+		conf_acct_interim_interval = atoi(opt);
+
+	return 0;
+}
+
+static void __init radius_init(void)
+{
+	char *opt;
+	char *dict = DICTIONARY;
+
+	rpd_pool = mempool_create(sizeof(struct radius_pd_t));
+
+	if (load_config())
+		_exit(EXIT_FAILURE);
+
+	opt = conf_get_opt("radius", "dictionary");
+	if (opt)
+		dict = opt;
+
+	if (rad_dict_load(dict))
+		_exit(EXIT_FAILURE);
+
+	pwdb_register(&pwdb);
+	ipdb_register(&ipdb);
+
+	triton_event_register_handler(EV_PPP_STARTING, (triton_event_func)ppp_starting);
+	triton_event_register_handler(EV_PPP_ACCT_START, (triton_event_func)ppp_acct_start);
+	triton_event_register_handler(EV_PPP_FINISHING, (triton_event_func)ppp_finishing);
+	triton_event_register_handler(EV_PPP_FINISHED, (triton_event_func)ppp_finished);
+	triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
+
+	cli_register_simple_cmd2(show_stat_exec, NULL, 2, "show", "stat");
+}
diff --git a/accel-pppd/radius/radius.h b/accel-pppd/radius/radius.h
new file mode 100644
index 0000000..ad229d2
--- /dev/null
+++ b/accel-pppd/radius/radius.h
@@ -0,0 +1,117 @@
+#ifndef __RADIUS_H
+#define __RADIUS_H
+
+#include <stdint.h>
+
+#define REQ_LENGTH_MAX 4096
+
+#define ATTR_TYPE_INTEGER 0
+#define ATTR_TYPE_STRING  1
+#define ATTR_TYPE_OCTETS  2
+#define ATTR_TYPE_DATE    3
+#define ATTR_TYPE_IPADDR  4
+
+#define CODE_ACCESS_REQUEST 1
+#define CODE_ACCESS_ACCEPT  2
+#define CODE_ACCESS_REJECT  3
+#define CODE_ACCESS_CHALLENGE 11
+
+#define CODE_ACCOUNTING_REQUEST  4
+#define CODE_ACCOUNTING_RESPONSE 5
+
+#define CODE_DISCONNECT_REQUEST 40
+#define CODE_DISCONNECT_ACK     41
+#define CODE_DISCONNECT_NAK     42
+#define CODE_COA_REQUEST 43
+#define CODE_COA_ACK     44
+#define CODE_COA_NAK     45
+
+typedef union
+{
+		int integer;
+		char *string;
+		uint8_t *octets;
+		time_t date;
+		in_addr_t ipaddr;
+} rad_value_t;
+
+struct rad_dict_t
+{
+	struct list_head items;
+	struct list_head vendors;
+};
+
+struct rad_dict_vendor_t
+{
+	struct list_head entry;
+	int id;
+	const char *name;
+	struct list_head items;
+};
+
+struct rad_dict_value_t
+{
+	struct list_head entry;
+	rad_value_t val;
+	const char *name;
+};
+
+struct rad_dict_attr_t
+{
+	struct list_head entry;
+	const char *name;
+	int id;
+	int type;
+	struct list_head values;
+};
+
+struct rad_attr_t
+{
+	struct list_head entry;
+	struct rad_dict_attr_t *attr;
+	struct rad_dict_vendor_t *vendor;
+	//struct rad_dict_value_t *val;
+	rad_value_t val;
+	int len;
+};
+
+struct rad_packet_t
+{
+	int code;
+	uint8_t id;
+	int len;
+	struct list_head attrs;
+	void *buf;
+};
+
+struct rad_plugin_t
+{
+	struct list_head entry;
+	int (*send_access_request)(struct rad_plugin_t *, struct rad_packet_t *pack);
+	int (*send_accounting_request)(struct rad_plugin_t *, struct rad_packet_t *pack);
+};
+
+struct ppp_t;
+
+void rad_register_plugin(struct ppp_t *, struct rad_plugin_t *);
+
+struct rad_dict_attr_t *rad_dict_find_attr(const char *name);
+struct rad_dict_attr_t *rad_dict_find_attr_id(struct rad_dict_vendor_t *vendor, int type);
+struct rad_dict_value_t *rad_dict_find_val_name(struct rad_dict_attr_t *, const char *name);
+struct rad_dict_value_t *rad_dict_find_val(struct rad_dict_attr_t *, rad_value_t val);
+struct rad_dict_vendor_t *rad_dict_find_vendor_name(const char *name);
+struct rad_dict_vendor_t *rad_dict_find_vendor_id(int id);
+struct rad_dict_attr_t *rad_dict_find_vendor_attr(struct rad_dict_vendor_t *vendor, const char *name);
+
+struct rad_attr_t *rad_packet_find_attr(struct rad_packet_t *pack, const char *vendor, const char *name);
+int rad_packet_add_int(struct rad_packet_t *pack, const char *vendor, const char *name, int val);
+int rad_packet_add_val(struct rad_packet_t *pack, const char *vendor, const char *name, const char *val);
+int rad_packet_add_str(struct rad_packet_t *pack, const char *vendor, const char *name, const char *val);
+int rad_packet_add_octets(struct rad_packet_t *pack, const char *vendor, const char *name, const uint8_t *val, int len);
+int rad_packet_change_int(struct rad_packet_t *pack, const char *vendor, const char *name, int val);
+int rad_packet_change_val(struct rad_packet_t *pack, const char *vendor, const char *name, const char *val);
+int rad_packet_change_octets(struct rad_packet_t *pack, const char *vendor, const char *name, const uint8_t *val, int len);
+int rad_packet_add_ipaddr(struct rad_packet_t *pack, const char *vendor, const char *name, in_addr_t ipaddr);
+
+#endif
+
diff --git a/accel-pppd/radius/radius_p.h b/accel-pppd/radius/radius_p.h
new file mode 100644
index 0000000..71c1a63
--- /dev/null
+++ b/accel-pppd/radius/radius_p.h
@@ -0,0 +1,122 @@
+#ifndef __RADIUS_P_H
+#define __RADIUS_P_H
+
+#include <netinet/in.h>
+#include <pthread.h>
+
+#include "triton.h"
+#include "radius.h"
+#include "ppp.h"
+#include "ipdb.h"
+
+struct radius_pd_t
+{
+	struct list_head entry;
+	struct ppp_pd_t pd;
+	struct ppp_t *ppp;
+	pthread_mutex_t lock;
+
+	struct rad_req_t *auth_req;
+	struct rad_req_t *acct_req;
+	struct triton_timer_t acct_interim_timer;
+	uint32_t acct_input_octets;
+	uint32_t acct_output_octets;
+	uint32_t acct_input_gigawords;
+	uint32_t acct_output_gigawords;
+
+	struct triton_timer_t session_timeout;
+
+	struct rad_packet_t *dm_coa_req;
+	struct sockaddr_in dm_coa_addr;
+
+	struct ipdb_item_t ipaddr;
+	int acct_interim_interval;
+	time_t acct_timestamp;
+
+	uint8_t *attr_class;
+	int attr_class_len;
+	uint8_t *attr_state;
+	int attr_state_len;
+	int termination_action;	
+
+	struct list_head plugin_list;
+};
+
+struct rad_req_t
+{
+	struct triton_context_t ctx;
+	struct triton_md_handler_t hnd;
+	struct triton_timer_t timeout;
+	uint8_t RA[16];
+	struct rad_packet_t *pack;
+	struct rad_packet_t *reply;
+	in_addr_t server_addr;
+	int server_port;
+
+	struct radius_pd_t *rpd;
+};
+
+extern int conf_max_try;
+extern int conf_timeout;
+extern int conf_acct_timeout;
+extern int conf_verbose;
+extern int conf_interim_verbose;
+extern char *conf_nas_identifier;
+extern in_addr_t conf_nas_ip_address;
+extern in_addr_t conf_bind;
+extern in_addr_t conf_gw_ip_address;
+extern in_addr_t conf_auth_server;
+extern char *conf_auth_secret;
+extern int conf_auth_server_port;
+extern in_addr_t conf_acct_server;
+extern char *conf_acct_secret;
+extern int conf_acct_server_port;
+extern char *conf_dm_coa_secret;
+extern int conf_sid_in_auth;
+extern int conf_require_nas_ident;
+extern in_addr_t conf_dm_coa_server;
+extern int conf_dm_coa_port;
+extern int conf_acct_interim_interval;
+
+extern unsigned long stat_auth_sent;
+extern unsigned long stat_auth_lost;
+extern unsigned long stat_acct_sent;
+extern unsigned long stat_acct_lost;
+extern unsigned long stat_interim_sent;
+extern unsigned long stat_interim_lost;
+
+int rad_check_nas_pack(struct rad_packet_t *pack);
+struct radius_pd_t *rad_find_session(const char *sessionid, const char *username, int port_id, in_addr_t ipaddr, const char *csid);
+struct radius_pd_t *rad_find_session_pack(struct rad_packet_t *pack);
+
+int rad_dict_load(const char *fname);
+void rad_dict_free(struct rad_dict_t *dict);
+
+struct rad_req_t *rad_req_alloc(struct radius_pd_t *rpd, int code, const char *username);
+int rad_req_acct_fill(struct rad_req_t *);
+void rad_req_free(struct rad_req_t *);
+int rad_req_send(struct rad_req_t *, int verbose);
+int rad_req_wait(struct rad_req_t *, int);
+
+struct radius_pd_t *find_pd(struct ppp_t *ppp);
+int rad_proc_attrs(struct rad_req_t *req);
+
+int rad_auth_pap(struct radius_pd_t *rpd, const char *username, va_list args);
+int rad_auth_chap_md5(struct radius_pd_t *rpd, const char *username, va_list args);
+int rad_auth_mschap_v1(struct radius_pd_t *rpd, const char *username, va_list args);
+int rad_auth_mschap_v2(struct radius_pd_t *rpd, const char *username, va_list args);
+
+int rad_acct_start(struct radius_pd_t *rpd);
+void rad_acct_stop(struct radius_pd_t *rpd);
+
+struct rad_packet_t *rad_packet_alloc(int code);
+int rad_packet_build(struct rad_packet_t *pack, uint8_t *RA);
+int rad_packet_recv(int fd, struct rad_packet_t **, struct sockaddr_in *addr);
+void rad_packet_free(struct rad_packet_t *);
+void rad_packet_print(struct rad_packet_t *pack, void (*print)(const char *fmt, ...));
+int rad_packet_send(struct rad_packet_t *pck, int fd, struct sockaddr_in *addr);
+
+void dm_coa_cancel(struct radius_pd_t *pd);
+
+#endif
+
diff --git a/accel-pppd/radius/req.c b/accel-pppd/radius/req.c
new file mode 100644
index 0000000..a384f23
--- /dev/null
+++ b/accel-pppd/radius/req.c
@@ -0,0 +1,277 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sched.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "log.h"
+#include "radius_p.h"
+
+#include "memdebug.h"
+
+static int urandom_fd;
+
+static int rad_req_read(struct triton_md_handler_t *h);
+static void rad_req_timeout(struct triton_timer_t *t);
+
+struct rad_req_t *rad_req_alloc(struct radius_pd_t *rpd, int code, const char *username)
+{
+	struct rad_plugin_t *plugin;
+	struct rad_req_t *req = _malloc(sizeof(*req));
+
+	if (!req)
+		return NULL;
+
+	memset(req, 0, sizeof(*req));
+	req->rpd = rpd;
+	req->hnd.fd = -1;
+	req->ctx.before_switch = log_switch;
+
+	req->server_addr = conf_auth_server;
+	req->server_port = conf_auth_server_port;
+
+	while (1) {
+		if (read(urandom_fd, req->RA, 16) != 16) {
+			if (errno == EINTR)
+				continue;
+			log_ppp_error("radius:req:read urandom: %s\n", strerror(errno));
+			goto out_err;
+		}
+		break;
+	}
+
+	req->pack = rad_packet_alloc(code);
+	if (!req->pack)
+		goto out_err;
+
+	if (rad_packet_add_str(req->pack, NULL, "User-Name", username))
+		goto out_err;
+	if (conf_nas_identifier)
+		if (rad_packet_add_str(req->pack, NULL, "NAS-Identifier", conf_nas_identifier))
+			goto out_err;
+	if (conf_nas_ip_address)
+		if (rad_packet_add_ipaddr(req->pack, NULL, "NAS-IP-Address", conf_nas_ip_address))
+			goto out_err;
+	if (rad_packet_add_int(req->pack, NULL, "NAS-Port", rpd->ppp->unit_idx))
+		goto out_err;
+	if (rad_packet_add_val(req->pack, NULL, "NAS-Port-Type", "Virtual"))
+		goto out_err;
+	if (rad_packet_add_val(req->pack, NULL, "Service-Type", "Framed-User"))
+		goto out_err;
+	if (rad_packet_add_val(req->pack, NULL, "Framed-Protocol", "PPP"))
+		goto out_err;
+	if (rpd->ppp->ctrl->calling_station_id)
+		if (rad_packet_add_str(req->pack, NULL, "Calling-Station-Id", rpd->ppp->ctrl->calling_station_id))
+			goto out_err;
+	if (rpd->ppp->ctrl->called_station_id)
+		if (rad_packet_add_str(req->pack, NULL, "Called-Station-Id", rpd->ppp->ctrl->called_station_id))
+			goto out_err;
+	if (rpd->attr_class)
+		if (rad_packet_add_octets(req->pack, NULL, "Class", rpd->attr_class, rpd->attr_class_len))
+			goto out_err;
+
+	list_for_each_entry(plugin, &req->rpd->plugin_list, entry) {
+		switch (code) {
+			case CODE_ACCESS_REQUEST:
+				if (plugin->send_access_request && plugin->send_access_request(plugin, req->pack))
+					goto out_err;
+				break;
+			case CODE_ACCOUNTING_REQUEST:
+				if (plugin->send_accounting_request && plugin->send_accounting_request(plugin, req->pack))
+					goto out_err;
+				break;
+		}
+	}
+
+	return req;
+
+out_err:
+	rad_req_free(req);
+	return NULL;
+}
+
+int rad_req_acct_fill(struct rad_req_t *req)
+{
+	req->server_addr = conf_acct_server;
+	req->server_port = conf_acct_server_port;
+
+	memset(req->RA, 0, sizeof(req->RA));
+
+	if (rad_packet_add_val(req->pack, NULL, "Acct-Status-Type", "Start"))
+		return -1;
+	if (rad_packet_add_val(req->pack, NULL, "Acct-Authentic", "RADIUS"))
+		return -1;
+	if (rad_packet_add_str(req->pack, NULL, "Acct-Session-Id", req->rpd->ppp->sessionid))
+		return -1;
+	if (rad_packet_add_int(req->pack, NULL, "Acct-Session-Time", 0))
+		return -1;
+	if (rad_packet_add_int(req->pack, NULL, "Acct-Input-Octets", 0))
+		return -1;
+	if (rad_packet_add_int(req->pack, NULL, "Acct-Output-Octets", 0))
+		return -1;
+	if (rad_packet_add_int(req->pack, NULL, "Acct-Input-Packets", 0))
+		return -1;
+	if (rad_packet_add_int(req->pack, NULL, "Acct-Output-Packets", 0))
+		return -1;
+	if (rad_packet_add_int(req->pack, NULL, "Acct-Input-Gigawords", 0))
+		return -1;
+	if (rad_packet_add_int(req->pack, NULL, "Acct-Output-Gigawords", 0))
+		return -1;
+	if (rad_packet_add_int(req->pack, NULL, "Acct-Delay-Time", 0))
+		return -1;
+	if (rad_packet_add_ipaddr(req->pack, NULL, "Framed-IP-Address", req->rpd->ppp->peer_ipaddr))
+		return -1;
+
+	return 0;
+}
+
+void rad_req_free(struct rad_req_t *req)
+{
+	if (req->hnd.fd >= 0 )
+		close(req->hnd.fd);
+	if (req->pack)
+		rad_packet_free(req->pack);
+	if (req->reply)
+		rad_packet_free(req->reply);
+	_free(req);
+}
+
+static int make_socket(struct rad_req_t *req)
+{
+  struct sockaddr_in addr;
+
+	req->hnd.fd = socket(PF_INET, SOCK_DGRAM, 0);
+	if (req->hnd.fd < 0) {
+		log_ppp_error("radius:socket: %s\n", strerror(errno));
+		return -1;
+	}
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sin_family = AF_INET;
+
+	if (conf_bind) {
+		addr.sin_addr.s_addr = conf_bind;
+		if (bind(req->hnd.fd, (struct sockaddr *) &addr, sizeof(addr))) {
+			log_ppp_error("radius:bind: %s\n", strerror(errno));
+			goto out_err;
+		}
+	}
+
+	addr.sin_addr.s_addr = req->server_addr;
+	addr.sin_port = htons(req->server_port);
+
+	if (connect(req->hnd.fd, (struct sockaddr *) &addr, sizeof(addr))) {
+		log_ppp_error("radius:connect: %s\n", strerror(errno));
+		goto out_err;
+	}
+
+	if (fcntl(req->hnd.fd, F_SETFL, O_NONBLOCK)) {
+		log_ppp_error("radius: failed to set nonblocking mode: %s\n", strerror(errno));
+		goto out_err;
+	}
+	
+	return 0;
+
+out_err:
+	close(req->hnd.fd);
+	req->hnd.fd = -1;
+	return -1;
+}
+
+int rad_req_send(struct rad_req_t *req, int verbose)
+{
+	if (req->hnd.fd == -1 && make_socket(req))
+		return -1;
+
+	if (!req->pack->buf && rad_packet_build(req->pack, req->RA))
+		goto out_err;
+	
+	if (verbose) {
+		log_ppp_info1("send ");
+		rad_packet_print(req->pack, log_ppp_info1);
+	}
+
+	rad_packet_send(req->pack, req->hnd.fd, NULL);
+
+	return 0;
+
+out_err:
+	close(req->hnd.fd);
+	req->hnd.fd = -1;
+	return -1;
+}
+
+static void req_wakeup(struct rad_req_t *req)
+{
+	struct triton_context_t *ctx = req->rpd->ppp->ctrl->ctx;
+	triton_timer_del(&req->timeout);
+	triton_md_unregister_handler(&req->hnd);
+	triton_context_unregister(&req->ctx);
+	triton_context_wakeup(ctx);
+}
+static int rad_req_read(struct triton_md_handler_t *h)
+{
+	struct rad_req_t *req = container_of(h, typeof(*req), hnd);
+	struct rad_packet_t *pack;
+	int r;
+
+	while (1) {
+		r = rad_packet_recv(h->fd, &pack, NULL);
+		
+		if (pack) {
+			if (req->reply)
+				rad_packet_free(req->reply);
+			req->reply = pack;
+		}
+
+		if (r)
+			break;
+	}
+
+	req_wakeup(req);
+	
+	return 1;
+}
+static void rad_req_timeout(struct triton_timer_t *t)
+{
+	struct rad_req_t *req = container_of(t, typeof(*req), timeout);
+	
+	req_wakeup(req);
+}
+
+int rad_req_wait(struct rad_req_t *req, int timeout)
+{
+	req->hnd.read = rad_req_read;
+	req->timeout.expire = rad_req_timeout;
+
+	triton_context_register(&req->ctx, req->rpd->ppp);
+	triton_md_register_handler(&req->ctx, &req->hnd);
+	triton_md_enable_handler(&req->hnd, MD_MODE_READ);
+
+	req->timeout.period = timeout * 1000;
+	triton_timer_add(&req->ctx, &req->timeout, 0);
+	
+	triton_context_wakeup(&req->ctx);
+
+	triton_context_schedule();
+
+	if (conf_verbose && req->reply) {
+		log_ppp_info1("recv ");
+		rad_packet_print(req->reply, log_ppp_info1);
+	}
+	return 0;
+}
+
+void __init req_init(void)
+{
+	urandom_fd = open("/dev/urandom", O_RDONLY);
+	if (!urandom_fd) {
+		log_emerg("radius:req: open /dev/urandom: %s\n", strerror(errno));
+		_exit(EXIT_FAILURE);
+	}
+}
diff --git a/accel-pppd/triton/CMakeLists.txt b/accel-pppd/triton/CMakeLists.txt
new file mode 100644
index 0000000..105b62a
--- /dev/null
+++ b/accel-pppd/triton/CMakeLists.txt
@@ -0,0 +1,40 @@
+SET(sources_c 
+	md.c
+	timer.c
+	triton.c
+	conf_file.c
+	loader.c
+	log.c
+	mempool.c
+	event.c
+)
+
+INCLUDE(CheckFunctionExists)
+CHECK_FUNCTION_EXISTS(timerfd_create HAVE_TIMERFD)
+
+IF (HAVE_TIMERFD)
+	ADD_DEFINITIONS(-DHAVE_TIMERFD)
+ELSE (HAVE_TIMERFD)
+	INCLUDE (CheckCSourceCompiles)
+	CHECK_C_SOURCE_COMPILES("
+	#include <sys/syscall.h>
+	int main()
+	{
+		syscall(SYS_timerfd_create);
+	}" HAVE_SYSCALL)
+	IF (NOT HAVE_SYSCALL)
+		MESSAGE(FATAL_ERROR "Your system is too old and is not supported by accel-ppp, sorry...")
+	ENDIF (NOT HAVE_SYSCALL)
+	SET(sources_c ${sources_c} timerfd.c)
+ENDIF (HAVE_TIMERFD)
+
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+
+ADD_DEFINITIONS(-DMODULE_PATH="${CMAKE_INSTALL_PREFIX}/lib/accel-ppp")
+
+ADD_LIBRARY(triton SHARED ${sources_c})
+TARGET_LINK_LIBRARIES(triton dl)
+
+INSTALL(TARGETS triton
+	LIBRARY DESTINATION lib/accel-ppp
+)
diff --git a/accel-pppd/triton/conf_file.c b/accel-pppd/triton/conf_file.c
new file mode 100644
index 0000000..ce8549c
--- /dev/null
+++ b/accel-pppd/triton/conf_file.c
@@ -0,0 +1,248 @@
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <pthread.h>
+
+#include "triton_p.h"
+
+#include "memdebug.h"
+
+struct sect_t
+{
+	struct list_head entry;
+	
+	struct conf_sect_t *sect;
+};
+
+static pthread_mutex_t conf_lock = PTHREAD_MUTEX_INITIALIZER;
+static LIST_HEAD(sections);
+static char *conf_fname;
+
+static char* skip_space(char *str);
+static char* skip_word(char *str);
+
+static struct conf_sect_t *find_sect(const char *name);
+static struct conf_sect_t *create_sect(const char *name);
+static void sect_add_item(struct conf_sect_t *sect, const char *name, const char *val);
+static struct conf_option_t *find_item(struct conf_sect_t *, const char *name);
+
+static char *buf;
+
+int __conf_load(const char *fname, struct conf_sect_t *cur_sect)
+{
+	char *str,*str2;
+	int cur_line = 0;
+
+	FILE *f = fopen(fname, "r");
+	if (!f) {
+		perror("conf_file:open");
+		return -1;
+	}
+	
+	while(!feof(f)) {
+		if (!fgets(buf, 1024, f))
+			break;
+		++cur_line;
+		if (buf[strlen(buf) - 1] == '\n')
+			buf[strlen(buf) - 1] = 0;
+		
+		str = skip_space(buf);
+		if (*str == '#' || *str == 0)
+			continue;
+		if (strncmp(str, "$include", 8) == 0)	{
+			str = skip_word(str);
+			str = skip_space(str);
+			if (__conf_load(str, cur_sect));
+				break;
+			continue;
+		}
+		if (*str == '[') {
+			for (str2 = ++str; *str2 && *str2 != ']'; str2++);
+			if (*str2 != ']') {
+				fprintf(stderr, "conf_file:%s:%i: sintax error\n", fname, cur_line);
+				return -1;
+			}
+			*str2 = 0;
+			cur_sect = find_sect(str);
+			if (!cur_sect)
+				cur_sect = create_sect(str);	
+			continue;
+		}
+		if (!cur_sect) {
+			fprintf(stderr, "conf_file:%s:%i: no section opened\n", fname, cur_line);
+			return -1;
+		}
+		str2 = skip_word(str);
+		if (*str2 == ' ') {
+			*str2 = 0;
+			++str2;
+		}
+		str2 = skip_space(str2);
+		if (*str2 == '=' || *str2 == ',') {
+			*str2 = 0;
+			str2 = skip_space(str2 + 1);
+			if (*str2 && *(str2 + 1) && *str2 == '$' && *(str2 + 1) == '{') {
+				char *s;
+				struct conf_option_t *opt;
+				for (s = str2+2; *s && *s != '}'; s++);
+				if (*s == '}') {
+					*s = 0;
+					str2 += 2;
+				}
+				opt = find_item(cur_sect, str2);
+				if (!opt) {
+					fprintf(stderr, "conf_file:%s:%i: parent option not found\n", fname, cur_line);
+					return -1;
+				}
+				str2 = opt->val;
+			}
+		} else
+			str2 = NULL;
+		sect_add_item(cur_sect, str, str2);
+	}
+	
+	fclose(f);
+
+	return 0;
+}
+
+int conf_load(const char *fname)
+{
+	int r;
+
+	if (fname) {
+		if (conf_fname)
+			_free(conf_fname);
+		conf_fname = _strdup(fname);
+	} else
+		fname = conf_fname;
+
+	buf = _malloc(1024);
+
+	r = __conf_load(fname, NULL);
+	
+	_free(buf);
+
+	return r;
+}
+
+int conf_reload(const char *fname)
+{
+	struct sect_t *sect;
+	struct conf_option_t *opt;
+	int r;
+	LIST_HEAD(sections_bak);
+
+	pthread_mutex_lock(&conf_lock);
+
+	while (!list_empty(&sections)) {
+		sect = list_entry(sections.next, typeof(*sect), entry);
+		list_del(&sect->entry);
+		list_add_tail(&sect->entry, &sections_bak);
+	}
+
+	r = conf_load(fname);
+
+	if (r) {
+		while (!list_empty(&sections_bak)) {
+			sect = list_entry(sections_bak.next, typeof(*sect), entry);
+			list_del(&sect->entry);
+			list_add_tail(&sect->entry, &sections);
+		}
+		pthread_mutex_unlock(&conf_lock);
+	} else {
+		pthread_mutex_unlock(&conf_lock);
+		while (!list_empty(&sections_bak)) {
+			sect = list_entry(sections_bak.next, typeof(*sect), entry);
+			list_del(&sect->entry);
+			while (!list_empty(&sect->sect->items)) {
+				opt = list_entry(sect->sect->items.next, typeof(*opt), entry);
+				list_del(&opt->entry);
+				if (opt->val)
+					_free(opt->val);
+				_free(opt->name);
+				_free(opt);
+			}
+			_free((char *)sect->sect->name);
+			_free(sect->sect);
+			_free(sect);
+		}
+	}
+
+	return r;
+}
+
+static char* skip_space(char *str)
+{
+	for (; *str && *str == ' '; str++);
+	return str;
+}
+static char* skip_word(char *str)
+{
+	for (; *str && (*str != ' ' && *str != '='); str++);
+	return str;
+}
+
+static struct conf_sect_t *find_sect(const char *name)
+{
+	struct sect_t *s;
+	list_for_each_entry(s, &sections, entry)
+		if (strcmp(s->sect->name, name) == 0) return s->sect;
+	return NULL;
+}
+
+static struct conf_sect_t *create_sect(const char *name)
+{
+	struct sect_t *s = _malloc(sizeof(struct sect_t));
+	
+	s->sect = _malloc(sizeof(struct conf_sect_t));
+	s->sect->name = (char*)_strdup(name);
+	INIT_LIST_HEAD(&s->sect->items);
+	
+	list_add_tail(&s->entry, &sections);
+	
+	return s->sect;
+}
+
+static void sect_add_item(struct conf_sect_t *sect, const char *name, const char *val)
+{
+	struct conf_option_t *opt = _malloc(sizeof(struct conf_option_t));
+	
+	opt->name = _strdup(name);
+	opt->val = val ? _strdup(val) : NULL;
+	
+	list_add_tail(&opt->entry, &sect->items);
+}
+
+static struct conf_option_t *find_item(struct conf_sect_t *sect, const char *name)
+{
+	struct conf_option_t *opt;
+	list_for_each_entry(opt, &sect->items, entry) {
+		if (strcmp(opt->name, name) == 0)
+			return opt;
+	}
+	
+	return NULL;
+}
+
+__export struct conf_sect_t * conf_get_section(const char *name)
+{
+	return find_sect(name);
+}
+
+__export char * conf_get_opt(const char *sect, const char *name)
+{
+	struct conf_option_t *opt;
+	struct conf_sect_t *s = conf_get_section(sect);
+
+	if (!s)
+		return NULL;
+	
+	opt = find_item(s, name);
+	if (!opt)
+		return NULL;
+
+	return opt->val;
+}
+
diff --git a/accel-pppd/triton/event.c b/accel-pppd/triton/event.c
new file mode 100644
index 0000000..d45eca0
--- /dev/null
+++ b/accel-pppd/triton/event.c
@@ -0,0 +1,105 @@
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "triton_p.h"
+
+#include "memdebug.h"
+
+static int max_events = 1024;
+static struct _triton_event_t **events;
+
+struct event_handler_t
+{
+	struct list_head entry;
+	triton_event_func func;
+};
+
+int event_init(void)
+{
+	events = malloc(max_events * sizeof(void *));
+	if (!events) {
+		fprintf(stderr,"event:cann't allocate memory\n");
+		return -1;
+	}
+
+	memset(events, 0, max_events * sizeof(void *));
+
+	return 0;
+}
+
+int __export triton_event_register_handler(int ev_id, triton_event_func func)
+{
+	struct _triton_event_t *ev;
+	struct event_handler_t *h;
+
+	if (ev_id >= max_events)
+		return -1;
+
+	ev = events[ev_id];
+	if (!ev) {
+		ev = malloc(sizeof(*ev));
+		if (!ev) {
+			triton_log_error("event: out of memory\n");
+			return -1;
+		}
+		INIT_LIST_HEAD(&ev->handlers);
+		events[ev_id] = ev;
+	}
+
+	h = malloc(sizeof(*h));
+	if (!h) {
+		triton_log_error("event: out of memory\n");
+		return -1;
+	}
+
+	h->func = func;
+	list_add_tail(&h->entry, &ev->handlers);
+
+	return 0;
+}
+
+/*int triton_event_unregister_handler(int ev_id, triton_event_func func)
+{
+	struct _triton_event_t *ev;
+	struct event_handler_t *h;
+
+	if (ev_id >= max_events)
+		return -1;
+	
+	ev = events[ev_id];
+	if (!ev) {
+		return -1;
+	}
+
+	list_for_each_entry(h, &ev->handlers, entry) {
+		if (h->func == func) {
+			if (ev->in_progress)
+				h->func = NULL;
+			else {
+				list_del(&h->entry);
+				_free(h);
+			}
+			return 0;
+		}
+	}
+
+	return -1;
+}*/
+
+void __export triton_event_fire(int ev_id, void *arg)
+{
+	struct _triton_event_t *ev;
+	struct event_handler_t *h;
+
+	if (ev_id >= max_events)
+		return;
+	
+	ev = events[ev_id];
+	if (!ev)
+		return;
+
+	list_for_each_entry(h, &ev->handlers, entry)
+		h->func(arg);
+}
+
diff --git a/accel-pppd/triton/list.h b/accel-pppd/triton/list.h
new file mode 100644
index 0000000..d95dd71
--- /dev/null
+++ b/accel-pppd/triton/list.h
@@ -0,0 +1,249 @@
+#ifndef _LINUX_LIST_H
+#define _LINUX_LIST_H
+
+//#if defined(__KERNEL__) || defined(_LVM_H_INCLUDE)
+
+//#include <linux/prefetch.h>
+
+/*
+ * Simple doubly linked list implementation.
+ *
+ * Some of the internal functions ("__xxx") are useful when
+ * manipulating whole lists rather than single entries, as
+ * sometimes we already know the next/prev entries and we can
+ * generate better code by using them directly rather than
+ * using the generic single-entry routines.
+ */
+
+typedef struct list_head {
+	struct list_head *next, *prev;
+} list_t;
+
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define LIST_HEAD(name) \
+	struct list_head name = LIST_HEAD_INIT(name)
+
+#define INIT_LIST_HEAD(ptr) do { \
+	(ptr)->next = (ptr); (ptr)->prev = (ptr); \
+} while (0)
+
+/*
+ * Insert a new entry between two known consecutive entries. 
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+
+static void inline prefetch(void *p){}
+ 
+static inline void __list_add(struct list_head *new,
+			      struct list_head *prev,
+			      struct list_head *next)
+{
+	next->prev = new;
+	new->next = next;
+	new->prev = prev;
+	prev->next = new;
+}
+
+/**
+ * list_add - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static inline void list_add(struct list_head *new, struct list_head *head)
+{
+	__list_add(new, head, head->next);
+}
+
+/**
+ * list_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static inline void list_add_tail(struct list_head *new, struct list_head *head)
+{
+	__list_add(new, head->prev, head);
+}
+
+/*
+ * Delete a list entry by making the prev/next entries
+ * point to each other.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_del(struct list_head *prev, struct list_head *next)
+{
+	next->prev = prev;
+	prev->next = next;
+}
+
+/**
+ * list_del - deletes entry from list.
+ * @entry: the element to delete from the list.
+ * Note: list_empty on entry does not return true after this, the entry is in an undefined state.
+ */
+static inline void list_del(struct list_head *entry)
+{
+	__list_del(entry->prev, entry->next);
+	entry->next = (void *) 0;
+	entry->prev = (void *) 0;
+}
+
+/**
+ * list_del_init - deletes entry from list and reinitialize it.
+ * @entry: the element to delete from the list.
+ */
+static inline void list_del_init(struct list_head *entry)
+{
+	__list_del(entry->prev, entry->next);
+	INIT_LIST_HEAD(entry); 
+}
+
+/**
+ * list_move - delete from one list and add as another's head
+ * @list: the entry to move
+ * @head: the head that will precede our entry
+ */
+static inline void list_move(struct list_head *list, struct list_head *head)
+{
+        __list_del(list->prev, list->next);
+        list_add(list, head);
+}
+
+/**
+ * list_move_tail - delete from one list and add as another's tail
+ * @list: the entry to move
+ * @head: the head that will follow our entry
+ */
+static inline void list_move_tail(struct list_head *list,
+				  struct list_head *head)
+{
+        __list_del(list->prev, list->next);
+        list_add_tail(list, head);
+}
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(struct list_head *head)
+{
+	return head->next == head;
+}
+
+static inline void __list_splice(struct list_head *list,
+				 struct list_head *head)
+{
+	struct list_head *first = list->next;
+	struct list_head *last = list->prev;
+	struct list_head *at = head->next;
+
+	first->prev = head;
+	head->next = first;
+
+	last->next = at;
+	at->prev = last;
+}
+
+/**
+ * list_splice - join two lists
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ */
+static inline void list_splice(struct list_head *list, struct list_head *head)
+{
+	if (!list_empty(list))
+		__list_splice(list, head);
+}
+
+/**
+ * list_splice_init - join two lists and reinitialise the emptied list.
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ *
+ * The list at @list is reinitialised
+ */
+static inline void list_splice_init(struct list_head *list,
+				    struct list_head *head)
+{
+	if (!list_empty(list)) {
+		__list_splice(list, head);
+		INIT_LIST_HEAD(list);
+	}
+}
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr:	the &struct list_head pointer.
+ * @type:	the type of the struct this is embedded in.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_entry(ptr, type, member) \
+	((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
+
+/**
+ * list_for_each	-	iterate over a list
+ * @pos:	the &struct list_head to use as a loop counter.
+ * @head:	the head for your list.
+ */
+#define list_for_each(pos, head) \
+	for (pos = (head)->next, prefetch(pos->next); pos != (head); \
+        	pos = pos->next, prefetch(pos->next))
+
+/**
+ * __list_for_each	-	iterate over a list
+ * @pos:	the &struct list_head to use as a loop counter.
+ * @head:	the head for your list.
+ *
+ * This variant differs from list_for_each() in that it's the
+ * simplest possible list iteration code, no prefetching is done.
+ * Use this for code that knows the list to be very short (empty
+ * or 1 entry) most of the time.
+ */
+#define __list_for_each(pos, head) \
+	for (pos = (head)->next; pos != (head); pos = pos->next)
+
+/**
+ * list_for_each_prev	-	iterate over a list backwards
+ * @pos:	the &struct list_head to use as a loop counter.
+ * @head:	the head for your list.
+ */
+#define list_for_each_prev(pos, head) \
+	for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \
+        	pos = pos->prev, prefetch(pos->prev))
+        	
+/**
+ * list_for_each_safe	-	iterate over a list safe against removal of list entry
+ * @pos:	the &struct list_head to use as a loop counter.
+ * @n:		another &struct list_head to use as temporary storage
+ * @head:	the head for your list.
+ */
+#define list_for_each_safe(pos, n, head) \
+	for (pos = (head)->next, n = pos->next; pos != (head); \
+		pos = n, n = pos->next)
+
+/**
+ * list_for_each_entry	-	iterate over list of given type
+ * @pos:	the type * to use as a loop counter.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_for_each_entry(pos, head, member)				\
+	for (pos = list_entry((head)->next, typeof(*pos), member),	\
+		     prefetch(pos->member.next);			\
+	     &pos->member != (head); 					\
+	     pos = list_entry(pos->member.next, typeof(*pos), member),	\
+		     prefetch(pos->member.next))
+
+//#endif /* __KERNEL__ || _LVM_H_INCLUDE */
+
+#endif
diff --git a/accel-pppd/triton/loader.c b/accel-pppd/triton/loader.c
new file mode 100644
index 0000000..2a2a2e2
--- /dev/null
+++ b/accel-pppd/triton/loader.c
@@ -0,0 +1,62 @@
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include <dlfcn.h>
+#include <limits.h>
+
+#include "triton_p.h"
+
+#include "memdebug.h"
+
+int load_modules(const char *name)
+{
+	struct conf_sect_t *sect;
+	struct conf_option_t *opt;
+	char *fname;
+	char *path = MODULE_PATH;
+
+	sect = conf_get_section(name);
+	if (!sect) {
+		fprintf(stderr, "loader: section '%s' not found\n", name);
+		return -1;
+	}
+
+	fname = _malloc(PATH_MAX);
+
+	list_for_each_entry(opt, &sect->items, entry) {
+		if (!strcmp(opt->name,"path") && opt->val) {
+			path = opt->val;
+			continue;
+		}
+
+		strcpy(fname, path);
+		strcat(fname, "/");
+		strcat(fname, opt->name);
+		if (access(fname, F_OK)) {
+			strcpy(fname, path);
+			strcat(fname, "/lib");
+			strcat(fname, opt->name);
+			strcat(fname, ".so");
+			if (access(fname, F_OK)) {
+				strcpy(fname, opt->name);
+				if (access(opt->name, F_OK)) {
+					triton_log_error("loader: '%s' not found\n", opt->name);
+					continue;
+				}
+			}
+		}
+
+		if (!dlopen(fname, RTLD_LAZY | RTLD_GLOBAL)) {
+			triton_log_error("loader: failed to load '%s': %s\n", opt->name, dlerror());
+			_free(fname);
+			return -1;
+		}
+	}
+
+	_free(fname);
+
+	return 0;
+}
+
diff --git a/accel-pppd/triton/log.c b/accel-pppd/triton/log.c
new file mode 100644
index 0000000..c7e6b7f
--- /dev/null
+++ b/accel-pppd/triton/log.c
@@ -0,0 +1,73 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "triton_p.h"
+
+#include "memdebug.h"
+
+static FILE *f_error;
+static FILE *f_debug;
+static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+
+int log_init(void)
+{
+	char *log_error = conf_get_opt("core","log-error");
+	char *log_debug = conf_get_opt("core","log-debug");
+
+	if (log_error) {
+		f_error = fopen(log_error, "a");
+		if (!f_error) {
+			perror("log:log_error:open");
+			return -1;
+		}
+	}
+	if (log_debug) {
+		f_debug = fopen(log_debug, "a");
+		if (!f_debug)	{
+			perror("log:log_debug:open");
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+static void do_log(FILE *f, const char *fmt, va_list ap)
+{
+	struct timeval tv;
+	struct tm tm;
+	char date[64];
+
+	gettimeofday(&tv, NULL);
+	localtime_r(&tv.tv_sec, &tm);
+	strftime(date, sizeof(date), "%F %H:%M:%S", &tm);
+
+	pthread_mutex_lock(&lock);
+	fprintf(f, "[%s.%i]", date, (int)tv.tv_usec / 1000);
+	vfprintf(f, fmt,ap);
+	pthread_mutex_unlock(&lock);
+
+	fflush(f);
+}
+void triton_log_error(const char *fmt,...)
+{
+	va_list ap;
+
+	if (!f_error)
+		return;
+
+	va_start(ap, fmt);
+	do_log(f_error, fmt, ap);
+}
+
+void triton_log_debug(const char *fmt,...)
+{
+	va_list ap;
+	
+	if (!f_debug)
+		return;
+	
+	va_start(ap, fmt);
+	do_log(f_debug, fmt, ap);
+}
+
diff --git a/accel-pppd/triton/md.c b/accel-pppd/triton/md.c
new file mode 100644
index 0000000..84073d0
--- /dev/null
+++ b/accel-pppd/triton/md.c
@@ -0,0 +1,216 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <signal.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include "triton_p.h"
+
+#include "memdebug.h"
+
+extern int max_events;
+
+static int epoll_fd;
+static struct epoll_event *epoll_events;
+
+static pthread_t md_thr;
+static void *md_thread(void *arg);
+
+static mempool_t *md_pool;
+
+static pthread_mutex_t freed_list_lock = PTHREAD_MUTEX_INITIALIZER;
+static LIST_HEAD(freed_list);
+static LIST_HEAD(freed_list2);
+
+int md_init(void)
+{
+	epoll_fd = epoll_create(1);
+	if (epoll_fd < 0) {
+		perror("md:epoll_create");
+		return -1;
+	}
+
+	epoll_events = _malloc(max_events * sizeof(struct epoll_event));
+	if (!epoll_events) {
+		fprintf(stderr,"md:cann't allocate memory\n");
+		return -1;
+	}
+
+	md_pool = mempool_create(sizeof(struct _triton_md_handler_t));
+
+	return 0;
+}
+void md_run(void)
+{
+	if (pthread_create(&md_thr, NULL, md_thread, NULL)) {
+		triton_log_error("md:pthread_create: %s", strerror(errno));
+		_exit(-1);
+	}
+}
+
+void md_terminate(void)
+{
+	pthread_cancel(md_thr);	
+	pthread_join(md_thr, NULL);	
+}
+
+static void *md_thread(void *arg)
+{
+	int i,n,r;
+	struct _triton_md_handler_t *h;
+	sigset_t set;
+
+	sigfillset(&set);
+	sigdelset(&set, SIGKILL);
+	sigdelset(&set, SIGSTOP);
+	pthread_sigmask(SIG_BLOCK, &set, NULL);
+
+	while(1) {
+		n = epoll_wait(epoll_fd, epoll_events, max_events, -1);
+		if (n < 0) {
+			if (errno == EINTR)
+				continue;
+			triton_log_error("md:epoll_wait: %s\n", strerror(errno));
+			_exit(-1);
+		}
+		
+		for(i = 0; i < n; i++) {
+			h = (struct _triton_md_handler_t *)epoll_events[i].data.ptr;
+			if (!h->ud)
+				continue;
+			spin_lock(&h->ctx->lock);
+			if (h->ud) {
+				h->trig_epoll_events |= epoll_events[i].events;
+				if (!h->pending) {
+					list_add_tail(&h->entry2, &h->ctx->pending_handlers);
+					h->pending = 1;
+					__sync_add_and_fetch(&triton_stat.md_handler_pending, 1);
+					r = triton_queue_ctx(h->ctx);
+				} else
+					r = 0;
+			} else
+				r = 0;
+			spin_unlock(&h->ctx->lock);
+			if (r)
+				triton_thread_wakeup(h->ctx->thread);
+		}
+
+		while (!list_empty(&freed_list2)) {
+			h = list_entry(freed_list2.next, typeof(*h), entry);
+			list_del(&h->entry);
+			mempool_free(h);
+		}
+		
+		pthread_mutex_lock(&freed_list_lock);
+		while (!list_empty(&freed_list)) {
+			h = list_entry(freed_list.next, typeof(*h), entry);
+			list_del(&h->entry);
+			list_add(&h->entry, &freed_list2);
+		}
+		pthread_mutex_unlock(&freed_list_lock);
+	}
+
+	return NULL;
+}
+
+void __export triton_md_register_handler(struct triton_context_t *ctx, struct triton_md_handler_t *ud)
+{
+	struct _triton_md_handler_t *h = mempool_alloc(md_pool);
+	memset(h, 0, sizeof(*h));
+	h->ud = ud;
+	h->epoll_event.data.ptr = h;
+	if (ctx)
+		h->ctx = (struct _triton_context_t *)ctx->tpd;
+	else
+		h->ctx = (struct _triton_context_t *)default_ctx.tpd;
+	ud->tpd = h;
+	spin_lock(&h->ctx->lock);
+	list_add_tail(&h->entry, &h->ctx->handlers);
+	spin_unlock(&h->ctx->lock);
+
+	triton_stat.md_handler_count++;
+}
+void __export triton_md_unregister_handler(struct triton_md_handler_t *ud)
+{
+	struct _triton_md_handler_t *h = (struct _triton_md_handler_t *)ud->tpd;
+	triton_md_disable_handler(ud, MD_MODE_READ | MD_MODE_WRITE);
+	
+	spin_lock(&h->ctx->lock);
+	h->ud = NULL;
+	list_del(&h->entry);
+	if (h->pending) {
+		list_del(&h->entry2);
+		__sync_sub_and_fetch(&triton_stat.md_handler_pending, 1);
+	}
+	spin_unlock(&h->ctx->lock);
+
+	sched_yield();
+
+	pthread_mutex_lock(&freed_list_lock);
+	list_add_tail(&h->entry, &freed_list);
+	pthread_mutex_unlock(&freed_list_lock);
+
+	triton_stat.md_handler_count--;
+}
+int __export triton_md_enable_handler(struct triton_md_handler_t *ud, int mode)
+{
+	struct _triton_md_handler_t *h = (struct _triton_md_handler_t *)ud->tpd;
+	int r;
+	int events = h->epoll_event.events;
+
+	if (mode & MD_MODE_READ)
+		h->epoll_event.events |= EPOLLIN;
+	if (mode & MD_MODE_WRITE)
+		h->epoll_event.events |= EPOLLOUT;
+	
+	if (!h->trig_level)
+		h->epoll_event.events |= EPOLLET;
+	
+	if (events)
+		r = epoll_ctl(epoll_fd, EPOLL_CTL_MOD, h->ud->fd, &h->epoll_event);
+	else
+		r = epoll_ctl(epoll_fd, EPOLL_CTL_ADD, h->ud->fd, &h->epoll_event);
+
+	if (r) {
+		triton_log_error("md:epoll_ctl: %s\n",strerror(errno));
+		abort();
+	}
+
+	return r;
+}
+int __export triton_md_disable_handler(struct triton_md_handler_t *ud,int mode)
+{
+	struct _triton_md_handler_t *h = (struct _triton_md_handler_t *)ud->tpd;
+	int r=0;
+
+	if (!h->epoll_event.events)
+		return -1;
+	
+	if (mode & MD_MODE_READ)
+		h->epoll_event.events &= ~EPOLLIN;
+	if (mode & MD_MODE_WRITE)
+		h->epoll_event.events &= ~EPOLLOUT;
+
+	if (h->epoll_event.events & (EPOLLIN | EPOLLOUT))
+		r = epoll_ctl(epoll_fd, EPOLL_CTL_MOD, h->ud->fd, &h->epoll_event);
+	else {
+		h->epoll_event.events = 0;
+		r = epoll_ctl(epoll_fd, EPOLL_CTL_DEL, h->ud->fd, NULL);
+	}
+
+	if (r) {
+		triton_log_error("md:epoll_ctl: %s\n",strerror(errno));
+		abort();
+	}
+
+	return r;
+}
+
+void __export triton_md_set_trig(struct triton_md_handler_t *ud, int mode)
+{
+	struct _triton_md_handler_t *h = (struct _triton_md_handler_t *)ud->tpd;
+	h->trig_level = mode;
+}
+
diff --git a/accel-pppd/triton/mempool.c b/accel-pppd/triton/mempool.c
new file mode 100644
index 0000000..855e22e
--- /dev/null
+++ b/accel-pppd/triton/mempool.c
@@ -0,0 +1,338 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <linux/mman.h>
+
+#include "triton_p.h"
+
+#include "memdebug.h"
+
+#ifdef VALGRIND
+#include <valgrind/memcheck.h>
+#define DELAY 5
+#endif
+
+//#define MEMPOOL_DISABLE
+
+#define MAGIC1 0x2233445566778899llu
+
+struct _mempool_t
+{
+	struct list_head entry;
+	int size;
+	struct list_head items;
+#ifdef MEMDEBUG
+	struct list_head ditems;
+#endif
+	spinlock_t lock;
+	uint64_t magic;
+	int mmap:1;
+};
+
+struct _item_t
+{
+	struct list_head entry;
+#ifdef VALGRIND
+	time_t timestamp;
+#endif
+	struct _mempool_t *owner;
+#ifdef MEMDEBUG
+	const char *fname;
+	int line;
+#endif
+	uint64_t magic2;
+	uint64_t magic1;
+	char ptr[0];
+};
+
+static LIST_HEAD(pools);
+static spinlock_t pools_lock = SPINLOCK_INITIALIZER;
+
+mempool_t __export *mempool_create(int size)
+{
+	struct _mempool_t *p = _malloc(sizeof(*p));
+
+	memset(p, 0, sizeof(*p));
+	INIT_LIST_HEAD(&p->items);
+#ifdef MEMDEBUG
+	INIT_LIST_HEAD(&p->ditems);
+#endif
+	spinlock_init(&p->lock);
+	p->size = size;
+	p->magic = (uint64_t)random() * (uint64_t)random();
+
+	spin_lock(&pools_lock);
+	list_add_tail(&p->entry, &pools);
+	spin_unlock(&pools_lock);
+
+	return (mempool_t *)p;
+}
+
+mempool_t __export *mempool_create2(int size)
+{
+	struct _mempool_t *p = (struct _mempool_t *)mempool_create(size);
+	
+	p->mmap = 1;
+
+	return (mempool_t *)p;
+}
+
+#ifndef MEMDEBUG
+void __export *mempool_alloc(mempool_t *pool)
+{
+	struct _mempool_t *p = (struct _mempool_t *)pool;
+	struct _item_t *it;
+	uint32_t size = sizeof(*it) + p->size + 8;
+
+	spin_lock(&p->lock);
+	if (!list_empty(&p->items)) {
+		it = list_entry(p->items.next, typeof(*it), entry);
+		list_del(&it->entry);
+		spin_unlock(&p->lock);
+		
+		__sync_sub_and_fetch(&triton_stat.mempool_available, size);
+		
+		it->magic1 = MAGIC1;
+
+		return it->ptr;
+	}
+	spin_unlock(&p->lock);
+
+	if (p->mmap)
+		it = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_32BIT, -1, 0);
+	else
+		it = _malloc(size);
+
+	if (!it) {
+		triton_log_error("mempool: out of memory\n");
+		return NULL;
+	}
+	it->owner = p;
+	it->magic1 = MAGIC1;
+	it->magic2 = p->magic;
+	*(uint64_t*)(it->data + p->size) = it->magic2;
+
+	__sync_add_and_fetch(&triton_stat.mempool_allocated, size);
+
+	return it->ptr;
+}
+#endif
+
+void __export *mempool_alloc_md(mempool_t *pool, const char *fname, int line)
+{
+	struct _mempool_t *p = (struct _mempool_t *)pool;
+	struct _item_t *it;
+	uint32_t size = sizeof(*it) + p->size + 8;
+	int i, n;
+
+	spin_lock(&p->lock);
+	if (!list_empty(&p->items)) {
+		it = list_entry(p->items.next, typeof(*it), entry);
+#ifdef VALGRIND
+		if (it->timestamp + DELAY < time(NULL)) {
+		VALGRIND_MAKE_MEM_DEFINED(&it->owner, size - sizeof(it->entry) - sizeof(it->timestamp));
+		VALGRIND_MAKE_MEM_UNDEFINED(it->ptr, p->size);
+#endif
+		list_del(&it->entry);
+		list_add(&it->entry, &p->ditems);
+		spin_unlock(&p->lock);
+
+		it->fname = fname;
+		it->line = line;
+		
+		__sync_sub_and_fetch(&triton_stat.mempool_available, size);
+		
+		it->magic1 = MAGIC1;
+
+		return it->ptr;
+#ifdef VALGRIND
+		}
+#endif
+	}
+	spin_unlock(&p->lock);
+
+	if (p->mmap) {
+		n = (sysconf(_SC_PAGE_SIZE) - 1) / size + 1;
+		it = mmap(NULL, n * size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_32BIT, -1, 0);
+		__sync_add_and_fetch(&triton_stat.mempool_allocated, size * (n - 1));
+		__sync_add_and_fetch(&triton_stat.mempool_available, size * (n - 1));
+		spin_lock(&p->lock);
+		for (i = 0; i < n - 1; i++, it) {
+			it->owner = p;
+			it->magic2 = p->magic;
+			it->magic1 = MAGIC1;
+			*(uint64_t*)(it->ptr + p->size) = it->magic2;
+			list_add_tail(&it->entry,&p->items);
+#ifdef VALGRIND
+			it->timestamp = 0;
+			VALGRIND_MAKE_MEM_NOACCESS(&it->owner, size - sizeof(it->entry) - sizeof(it->timestamp));
+#endif
+			it = (struct _item_t *)((char *)it + size);
+		}
+		spin_unlock(&p->lock);
+#ifdef VALGRIND
+		VALGRIND_MAKE_MEM_UNDEFINED(it, size);
+#endif
+	} else
+		it = md_malloc(size, fname, line);
+
+	if (!it) {
+		triton_log_error("mempool: out of memory\n");
+		return NULL;
+	}
+	it->owner = p;
+	it->magic2 = p->magic;
+	it->magic1 = MAGIC1;
+	it->fname = fname;
+	it->line = line;
+	*(uint64_t*)(it->ptr + p->size) = it->magic2;
+
+	spin_lock(&p->lock);
+	list_add(&it->entry, &p->ditems);
+	spin_unlock(&p->lock);
+
+	__sync_add_and_fetch(&triton_stat.mempool_allocated, size);
+
+	return it->ptr;
+}
+
+
+void __export mempool_free(void *ptr)
+{
+	struct _item_t *it = container_of(ptr, typeof(*it), ptr);
+	struct _mempool_t *p = it->owner;
+	uint32_t size = sizeof(*it) + it->owner->size + 8;
+
+#ifdef MEMDEBUG
+	if (it->magic1 != MAGIC1) {
+		triton_log_error("mempool: memory corruption detected");
+		abort();
+	}
+
+	if (it->magic2 != it->owner->magic) {
+		triton_log_error("mempool: memory corruption detected");
+		abort();
+	}
+
+	if (it->magic2 != *(uint64_t*)(it->ptr + it->owner->size)) {
+		triton_log_error("mempool: memory corruption detected");
+		abort();
+	}
+
+	it->magic1 = 0;
+#endif
+
+	spin_lock(&p->lock);
+#ifdef MEMDEBUG
+	list_del(&it->entry);
+#endif
+#ifndef MEMPOOL_DISABLE
+	list_add_tail(&it->entry,&it->owner->items);
+#endif
+#ifdef VALGRIND
+	time(&it->timestamp);
+	VALGRIND_MAKE_MEM_NOACCESS(&it->owner, size - sizeof(it->entry) - sizeof(it->timestamp));
+#endif
+	spin_unlock(&p->lock);
+
+#ifdef MEMPOOL_DISABLE
+	if (it->owner->mmap)
+		munmap(it, size);
+	else
+		_free(it);
+#endif
+
+	__sync_add_and_fetch(&triton_stat.mempool_available, size);
+}
+
+void __export mempool_clean(mempool_t *pool)
+{
+	struct _mempool_t *p = (struct _mempool_t *)pool;
+	struct _item_t *it;
+	uint32_t size = sizeof(*it) + p->size + 8;
+
+	spin_lock(&p->lock);
+	while (!list_empty(&p->items)) {
+		it = list_entry(p->items.next, typeof(*it), entry);
+#ifdef VALGRIND
+		if (it->timestamp + DELAY < time(NULL)) {
+		VALGRIND_MAKE_MEM_DEFINED(&it->owner, size - sizeof(it->entry) - sizeof(it->timestamp));
+#endif
+		list_del(&it->entry);
+		if (p->mmap)
+			munmap(it, size);
+		else
+			_free(it);
+		__sync_sub_and_fetch(&triton_stat.mempool_allocated, size);
+		__sync_sub_and_fetch(&triton_stat.mempool_available, size);
+#ifdef VALGRIND
+		} else
+			break;
+#endif
+	}
+	spin_unlock(&p->lock);
+}
+
+#ifdef MEMDEBUG
+void __export mempool_show(mempool_t *pool)
+{
+	struct _mempool_t *p = (struct _mempool_t *)pool;
+	struct _item_t *it;
+
+	spin_lock(&p->lock);
+	list_for_each_entry(it, &p->ditems, entry)
+		triton_log_error("%s:%i %p\n", it->fname, it->line, it->ptr);
+	spin_unlock(&p->lock);
+}
+#endif
+
+void sigclean(int num)
+{
+	struct _mempool_t *p;
+	struct _item_t *it;
+	uint32_t size;
+
+	triton_log_error("mempool: clean\n");
+
+	spin_lock(&pools_lock);
+	list_for_each_entry(p, &pools, entry) {
+		if (p->mmap)
+			continue;
+		size = sizeof(*it) + p->size + 8;
+		spin_lock(&p->lock);
+		while (!list_empty(&p->items)) {
+			it = list_entry(p->items.next, typeof(*it), entry);
+#ifdef VALGRIND
+			if (it->timestamp + DELAY < time(NULL)) {
+			VALGRIND_MAKE_MEM_DEFINED(&it->owner, size - sizeof(it->entry) - sizeof(it->timestamp));
+#endif
+			list_del(&it->entry);
+			_free(it);
+			__sync_sub_and_fetch(&triton_stat.mempool_allocated, size);
+			__sync_sub_and_fetch(&triton_stat.mempool_available, size);
+#ifdef VALGRIND
+			} else
+				break;
+#endif
+		}
+		spin_unlock(&p->lock);
+	}
+	spin_unlock(&pools_lock);
+}
+
+static void __init init(void)
+{
+	sigset_t set;
+	sigfillset(&set);
+	
+	struct sigaction sa = {
+		.sa_handler = sigclean,
+		.sa_mask = set,
+	};
+
+	sigaction(35, &sa, NULL);
+}
+
diff --git a/accel-pppd/triton/mempool.h b/accel-pppd/triton/mempool.h
new file mode 100644
index 0000000..bdb3e71
--- /dev/null
+++ b/accel-pppd/triton/mempool.h
@@ -0,0 +1,26 @@
+#ifndef __TRITON_MEMPOOL_H
+#define __TRITON_MEMPOOL_H
+
+#include <stdint.h>
+
+struct mempool_stat_t
+{
+	uint32_t allocated;	
+	uint32_t available;
+};
+
+typedef void * mempool_t;
+mempool_t *mempool_create(int size);
+mempool_t *mempool_create2(int size);
+void mempool_free(void*);
+struct mempool_stat_t mempool_get_stat(void);
+
+#ifdef MEMDEBUG
+void *mempool_alloc_md(mempool_t*, const char *fname, int line);
+#define mempool_alloc(pool) mempool_alloc_md(pool, __FILE__, __LINE__)
+#else
+void *mempool_alloc(mempool_t*);
+#endif
+
+#endif
+
diff --git a/accel-pppd/triton/options.c b/accel-pppd/triton/options.c
new file mode 100644
index 0000000..a5214e2
--- /dev/null
+++ b/accel-pppd/triton/options.c
@@ -0,0 +1,48 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "triton_p.h"
+#include "conf_file.h"
+
+#include "memdebug.h"
+
+static struct conf_file_sect_t *sect=NULL;
+
+static const char* find_option(const char *name)
+{
+	struct option_t *opt;
+	
+	if (!sect)
+	{
+		sect=conf_file_get_section("options");
+		if (!sect) return 0;
+	}
+	
+	list_for_each_entry(opt,&sect->items,entry)
+	{
+		if (strcmp(opt->name,name)==0)
+			return opt->val;
+	}
+	
+	return NULL;
+}
+int triton_get_int_option(const char *str)
+{
+	const char *val=find_option(str);
+	if (!val) return 0;
+	
+	return atoi(val);
+}
+const char* triton_get_str_option(const char *str)
+{
+	const char *val=find_option(str);
+	
+	return val;
+}
+double triton_get_double_option(const char *str)
+{
+	const char *val=find_option(str);
+	if (!val) return 0;
+	
+	return atof(val);
+}
diff --git a/accel-pppd/triton/spinlock.h b/accel-pppd/triton/spinlock.h
new file mode 100644
index 0000000..bb8dcf4
--- /dev/null
+++ b/accel-pppd/triton/spinlock.h
@@ -0,0 +1,42 @@
+#ifndef __TRITON_SPINLOCK_H
+#define __TRITON_SPINLOCK_H
+
+#if defined(FUTEX_SPINLOCK)
+
+/*#include <unistd.h>
+#include <sys/syscall.h>
+#include <linux/futex.h>
+typedef volatile int __attribute__((aligned)) spinlock_t;
+static inline void _spin_lock(spinlock_t *l)
+{
+			syscall(SYS_futex, l, FUTEX_WAIT, r, NULL, NULL, 0);
+}
+static inline void _spin_unlock(spinlock_t *l)
+{
+		syscall(SYS_futex, l, FUTEX_WAKE, 2, NULL, NULL, 0);
+}
+#define spin_lock(l) _spin_lock(l)
+#define spin_unlock(l) _spin_unlock(l)
+#define SPINLOCK_INITIALIZER 1
+#define spinlock_init(l) {*(l)=1;}*/
+
+#elif defined(GCC_SPINLOCK)
+
+typedef volatile int __attribute__((aligned)) spinlock_t;
+#define spin_lock(l) {while(__sync_lock_test_and_set(l,1));}
+#define spin_unlock(l) __sync_lock_release(l)
+#define SPINLOCK_INITIALIZER 0
+#define spinlock_init(l) {*(l)=0;}
+
+#else
+
+#include <pthread.h>
+typedef pthread_mutex_t spinlock_t;
+#define spin_lock(l) pthread_mutex_lock(l)
+#define spin_unlock(l) pthread_mutex_unlock(l)
+#define SPINLOCK_INITIALIZER PTHREAD_MUTEX_INITIALIZER
+#define spinlock_init(l) pthread_mutex_init(l,NULL)
+#endif
+
+#endif
+
diff --git a/accel-pppd/triton/timer.c b/accel-pppd/triton/timer.c
new file mode 100644
index 0000000..e419e93
--- /dev/null
+++ b/accel-pppd/triton/timer.c
@@ -0,0 +1,222 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <sys/epoll.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+
+#ifdef HAVE_TIMERFD
+#include <sys/timerfd.h>
+#else
+#include "timerfd.h"
+#endif
+
+#include "triton_p.h"
+
+#include "memdebug.h"
+
+extern int max_events;
+static int epoll_fd;
+static struct epoll_event *epoll_events;
+
+static pthread_t timer_thr;
+static void *timer_thread(void *arg);
+
+static mempool_t *timer_pool;
+
+static pthread_mutex_t freed_list_lock = PTHREAD_MUTEX_INITIALIZER;
+static LIST_HEAD(freed_list);
+static LIST_HEAD(freed_list2);
+
+int timer_init(void)
+{
+	epoll_fd = epoll_create(1);
+	if (epoll_fd < 0) {
+		perror("timer:epoll_create");
+		return -1;
+	}
+
+	epoll_events = _malloc(max_events * sizeof(struct epoll_event));
+	if (!epoll_events) {
+		fprintf(stderr,"timer:cann't allocate memory\n");
+		return -1;
+	}
+
+	timer_pool = mempool_create(sizeof(struct _triton_timer_t));
+
+	return 0;
+}
+
+void timer_run(void)
+{
+	if (pthread_create(&timer_thr, NULL, timer_thread, NULL)) {
+		triton_log_error("timer:pthread_create: %s",strerror(errno));
+		_exit(-1);
+	}
+}
+
+void timer_terminate(void)
+{
+	pthread_cancel(timer_thr);
+	pthread_join(timer_thr, NULL);
+}
+
+void *timer_thread(void *arg)
+{
+	int i,n,r;
+	struct _triton_timer_t *t;
+	sigset_t set;
+
+	sigfillset(&set);
+	sigdelset(&set, SIGKILL);
+	sigdelset(&set, SIGSTOP);
+	pthread_sigmask(SIG_BLOCK, &set, NULL);
+
+	while(1) {
+		n = epoll_wait(epoll_fd, epoll_events, max_events, -1);
+		if (n < 0) {
+			if (errno == EINTR)
+				continue;
+			triton_log_error("timer:epoll_wait: %s", strerror(errno));
+			_exit(-1);
+		}
+		
+		for(i = 0; i < n; i++) {
+			t = (struct _triton_timer_t *)epoll_events[i].data.ptr;
+			if (!t->ud)
+				continue;
+			spin_lock(&t->ctx->lock);
+			if (t->ud) {
+				if (!t->pending) {
+					list_add_tail(&t->entry2, &t->ctx->pending_timers);
+					t->pending = 1;
+					__sync_add_and_fetch(&triton_stat.timer_pending, 1);
+					r = triton_queue_ctx(t->ctx);
+				} else
+					r = 0;
+			} else
+				r = 0;
+			spin_unlock(&t->ctx->lock);
+			if (r)
+				triton_thread_wakeup(t->ctx->thread);
+		}
+
+		while (!list_empty(&freed_list2)) {
+			t = list_entry(freed_list2.next, typeof(*t), entry);
+			list_del(&t->entry);
+			mempool_free(t);
+		}
+
+		pthread_mutex_lock(&freed_list_lock);
+		while (!list_empty(&freed_list)) {
+			t = list_entry(freed_list.next, typeof(*t), entry);
+			list_del(&t->entry);
+			list_add(&t->entry, &freed_list2);
+		}
+		pthread_mutex_unlock(&freed_list_lock);
+	}
+
+	return NULL;
+}
+
+
+int __export triton_timer_add(struct triton_context_t *ctx, struct triton_timer_t *ud, int abs_time)
+{
+	struct _triton_timer_t *t = mempool_alloc(timer_pool);
+
+	memset(t, 0, sizeof(*t));
+	t->ud = ud;
+	t->epoll_event.data.ptr = t;
+	t->epoll_event.events = EPOLLIN | EPOLLET;
+	if (ctx)
+		t->ctx = (struct _triton_context_t *)ctx->tpd;
+	else
+		t->ctx = (struct _triton_context_t *)default_ctx.tpd;
+	t->fd = timerfd_create(abs_time ? CLOCK_REALTIME : CLOCK_MONOTONIC, 0);
+	if (t->fd < 0) {
+		triton_log_error("timer:timerfd_create: %s", strerror(errno));
+		mempool_free(t);
+		return -1;
+	}
+
+	if (fcntl(t->fd, F_SETFL, O_NONBLOCK)) { 
+    triton_log_error("timer: failed to set nonblocking mode: %s\n", strerror(errno));
+    goto out_err;
+	}
+	
+	ud->tpd = t;
+
+	if (triton_timer_mod(ud, abs_time))
+		goto out_err;
+	
+	spin_lock(&t->ctx->lock);
+	list_add_tail(&t->entry, &t->ctx->timers);
+	spin_unlock(&t->ctx->lock);
+	
+	if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, t->fd, &t->epoll_event)) {
+		triton_log_error("timer:epoll_ctl: %s", strerror(errno));
+		spin_lock(&t->ctx->lock);
+		t->ud = NULL;
+		list_del(&t->entry);
+		spin_unlock(&t->ctx->lock);
+		goto out_err;
+	}
+
+	triton_stat.timer_count++;
+	
+	return 0;
+
+out_err:
+	ud->tpd = NULL;
+	close(t->fd);
+	mempool_free(t);
+	return -1;
+}
+int __export triton_timer_mod(struct triton_timer_t *ud,int abs_time)
+{
+	struct _triton_timer_t *t = (struct _triton_timer_t *)ud->tpd;
+	struct itimerspec ts =	{
+		.it_value.tv_sec = ud->expire_tv.tv_sec,
+		.it_value.tv_nsec = ud->expire_tv.tv_usec * 1000,
+		.it_interval.tv_sec = ud->period / 1000,
+		.it_interval.tv_nsec = (ud->period % 1000) * 1000,
+	};
+
+	if (ud->expire_tv.tv_sec == 0 && ud->expire_tv.tv_usec == 0)
+		ts.it_value = ts.it_interval;
+
+	if (timerfd_settime(t->fd, abs_time ? TFD_TIMER_ABSTIME : 0, &ts, NULL)) {
+		triton_log_error("timer:timerfd_settime: %s", strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+void __export triton_timer_del(struct triton_timer_t *ud)
+{
+	struct _triton_timer_t *t = (struct _triton_timer_t *)ud->tpd;
+	epoll_ctl(epoll_fd, EPOLL_CTL_DEL, t->fd, &t->epoll_event);
+	close(t->fd);
+	spin_lock(&t->ctx->lock);
+	t->ud = NULL;
+	list_del(&t->entry);
+	if (t->pending) {
+		list_del(&t->entry2);
+		__sync_sub_and_fetch(&triton_stat.timer_pending, 1);
+	}
+	spin_unlock(&t->ctx->lock);
+
+	sched_yield();
+
+	pthread_mutex_lock(&freed_list_lock);
+	list_add_tail(&t->entry, &freed_list);
+	pthread_mutex_unlock(&freed_list_lock);
+	
+	ud->tpd = NULL;
+	
+	triton_stat.timer_count--;
+}
+
diff --git a/accel-pppd/triton/timerfd.c b/accel-pppd/triton/timerfd.c
new file mode 100644
index 0000000..b026258
--- /dev/null
+++ b/accel-pppd/triton/timerfd.c
@@ -0,0 +1,19 @@
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+
+#include "timerfd.h"
+
+int timerfd_create (clockid_t __clock_id, int __flags)
+{
+	return syscall(SYS_timerfd_create, __clock_id, __flags);
+}
+
+
+int timerfd_settime (int __ufd, int __flags,
+			    __const struct itimerspec *__utmr,
+			    struct itimerspec *__otmr)
+{
+	return syscall(SYS_timerfd_settime, __ufd, __flags, __utmr, __otmr);
+}
+
diff --git a/accel-pppd/triton/timerfd.h b/accel-pppd/triton/timerfd.h
new file mode 100644
index 0000000..c1bb06f
--- /dev/null
+++ b/accel-pppd/triton/timerfd.h
@@ -0,0 +1,60 @@
+/* Copyright (C) 2008 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_SYS_TIMERFD_H
+#define	_SYS_TIMERFD_H	1
+
+#include <time.h>
+
+
+/* Bits to be set in the FLAGS parameter of `timerfd_create'.  */
+enum
+  {
+    TFD_CLOEXEC = 02000000,
+#define TFD_CLOEXEC TFD_CLOEXEC
+    TFD_NONBLOCK = 04000
+#define TFD_NONBLOCK TFD_NONBLOCK
+  };
+
+
+/* Bits to be set in the FLAGS parameter of `timerfd_settime'.  */
+enum
+  {
+    TFD_TIMER_ABSTIME = 1 << 0
+#define TFD_TIMER_ABSTIME TFD_TIMER_ABSTIME
+  };
+
+
+__BEGIN_DECLS
+
+/* Return file descriptor for new interval timer source.  */
+extern int timerfd_create (clockid_t __clock_id, int __flags) __THROW;
+
+/* Set next expiration time of interval timer source UFD to UTMR.  If
+   FLAGS has the TFD_TIMER_ABSTIME flag set the timeout value is
+   absolute.  Optionally return the old expiration time in OTMR.  */
+extern int timerfd_settime (int __ufd, int __flags,
+			    __const struct itimerspec *__utmr,
+			    struct itimerspec *__otmr) __THROW;
+
+/* Return the next expiration time of UFD.  */
+extern int timerfd_gettime (int __ufd, struct itimerspec *__otmr) __THROW;
+
+__END_DECLS
+
+#endif /* sys/timerfd.h */
diff --git a/accel-pppd/triton/triton.c b/accel-pppd/triton/triton.c
new file mode 100644
index 0000000..00dfcf6
--- /dev/null
+++ b/accel-pppd/triton/triton.c
@@ -0,0 +1,610 @@
+#include <signal.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/resource.h>
+
+#include "triton_p.h"
+#include "memdebug.h"
+
+int thread_count = 2;
+int max_events = 64;
+
+static spinlock_t threads_lock = SPINLOCK_INITIALIZER;
+static LIST_HEAD(threads);
+static LIST_HEAD(sleep_threads);
+
+static LIST_HEAD(ctx_queue);
+
+static spinlock_t ctx_list_lock = SPINLOCK_INITIALIZER;
+static LIST_HEAD(ctx_list);
+
+static int terminate;
+static int need_terminate;
+
+static int need_config_reload;
+static void (*config_reload_notify)(int);
+
+static mempool_t *ctx_pool;
+static mempool_t *call_pool;
+
+struct triton_stat_t __export triton_stat;
+
+static struct timeval ru_utime;
+static struct timeval ru_stime;
+static struct timespec ru_timestamp;
+static int ru_refs;
+static void ru_update(struct triton_timer_t *);
+static struct triton_timer_t ru_timer = {
+	.period = 1000,
+	.expire = ru_update,
+};
+struct triton_context_t default_ctx;
+
+static struct triton_context_t __thread *this_ctx;
+
+#define log_debug2(fmt, ...)
+
+void triton_thread_wakeup(struct _triton_thread_t *thread)
+{
+	log_debug2("wake up thread %p\n", thread);
+	pthread_kill(thread->thread, SIGUSR1);
+}
+
+static void __config_reload(void (*notify)(int))
+{
+	struct _triton_thread_t *t;
+	int r;
+
+	log_debug2("config_reload: enter\n");
+	r = conf_reload(NULL);
+	notify(r);
+
+	spin_lock(&threads_lock);
+	need_config_reload = 0;
+	list_for_each_entry(t, &threads, entry)
+		triton_thread_wakeup(t);
+	spin_unlock(&threads_lock);
+	log_debug2("config_reload: exit\n");
+}
+
+static void ctx_thread(struct _triton_context_t *ctx);
+static void* triton_thread(struct _triton_thread_t *thread)
+{
+	sigset_t set;
+	int sig;
+
+	sigfillset(&set);
+	sigdelset(&set, SIGKILL);
+	sigdelset(&set, SIGSTOP);
+	pthread_sigmask(SIG_BLOCK, &set, NULL);
+
+	sigemptyset(&set);
+	sigaddset(&set, SIGUSR1);
+	sigaddset(&set, SIGQUIT);
+
+	pthread_mutex_lock(&thread->sleep_lock);
+	pthread_mutex_unlock(&thread->sleep_lock);
+
+	while (1) {
+		spin_lock(&threads_lock);
+		if (!list_empty(&ctx_queue) && !need_config_reload) {
+			thread->ctx = list_entry(ctx_queue.next, typeof(*thread->ctx), entry2);
+			log_debug2("thread: %p: dequeued ctx %p\n", thread, thread->ctx);
+			list_del(&thread->ctx->entry2);
+			spin_unlock(&threads_lock);
+			spin_lock(&thread->ctx->lock);
+			thread->ctx->thread = thread;
+			thread->ctx->queued = 0;
+			spin_unlock(&thread->ctx->lock);
+			__sync_sub_and_fetch(&triton_stat.context_pending, 1);
+		} else {
+			if (triton_stat.thread_count > thread_count + triton_stat.context_sleeping) {
+				__sync_sub_and_fetch(&triton_stat.thread_active, 1);
+				__sync_sub_and_fetch(&triton_stat.thread_count, 1);
+				list_del(&thread->entry);
+				spin_unlock(&threads_lock);
+				pthread_detach(pthread_self());
+				log_debug2("thread: %p: exit\n", thread);
+				_free(thread);
+				return NULL;
+			}
+			log_debug2("thread: %p: sleeping\n", thread);
+			if (!terminate)
+				list_add(&thread->entry2, &sleep_threads);
+			
+			if (__sync_sub_and_fetch(&triton_stat.thread_active, 1) == 0 && need_config_reload) {
+				spin_unlock(&threads_lock);
+				__config_reload(config_reload_notify);
+			} else
+				spin_unlock(&threads_lock);
+			
+			if (terminate)
+				return NULL;
+
+			//printf("thread %p: enter sigwait\n", thread);
+			sigwait(&set, &sig);
+			//printf("thread %p: exit sigwait\n", thread);
+
+			spin_lock(&threads_lock);
+			__sync_add_and_fetch(&triton_stat.thread_active, 1);
+			if (!thread->ctx) {
+				list_del(&thread->entry2);
+				spin_unlock(&threads_lock);
+				continue;
+			}
+			spin_unlock(&threads_lock);
+		}
+
+cont:
+		log_debug2("thread %p: ctx=%p %p\n", thread, thread->ctx, thread->ctx ? thread->ctx->thread : NULL);
+		this_ctx = thread->ctx->ud;
+		if (thread->ctx->ud->before_switch)
+			thread->ctx->ud->before_switch(thread->ctx->ud, thread->ctx->bf_arg);
+
+		log_debug2("thread %p: switch to %p\n", thread, thread->ctx);
+		ctx_thread(thread->ctx);
+		log_debug2("thread %p: switch from %p %p\n", thread, thread->ctx, thread->ctx->thread);
+
+		spin_lock(&thread->ctx->lock);
+		if (thread->ctx->pending) {
+			spin_unlock(&thread->ctx->lock);
+			goto cont;
+		}
+		thread->ctx->thread = NULL;
+		spin_unlock(&thread->ctx->lock);
+
+		if (thread->ctx->need_free) {
+			log_debug2("- context %p removed\n", thread->ctx);
+			mempool_free(thread->ctx);
+		}
+
+		thread->ctx = NULL;
+	}
+}
+
+static void ctx_thread(struct _triton_context_t *ctx)
+{
+	struct _triton_md_handler_t *h;
+	struct _triton_timer_t *t;
+	struct _triton_ctx_call_t *call;
+	uint64_t tt;
+
+	log_debug2("ctx %p %p: enter\n", ctx, ctx->thread);
+	if (ctx->need_close) {
+		if (ctx->ud->close)
+			ctx->ud->close(ctx->ud);
+		ctx->need_close = 0;
+	}
+
+	while (1) {
+		spin_lock(&ctx->lock);
+		if (!list_empty(&ctx->pending_timers)) {
+			t = list_entry(ctx->pending_timers.next, typeof(*t), entry2);
+			list_del(&t->entry2);
+			t->pending = 0;
+			spin_unlock(&ctx->lock);
+			__sync_sub_and_fetch(&triton_stat.timer_pending, 1);
+			read(t->fd, &tt, sizeof(tt));
+			t->ud->expire(t->ud);
+			continue;
+		}
+		if (!list_empty(&ctx->pending_handlers)) {
+			h = list_entry(ctx->pending_handlers.next, typeof(*h), entry2);
+			list_del(&h->entry2);
+			h->pending = 0;
+			spin_unlock(&ctx->lock);
+			__sync_sub_and_fetch(&triton_stat.md_handler_pending, 1);
+			if (h->trig_epoll_events & (EPOLLIN | EPOLLERR | EPOLLHUP))
+				if (h->ud && h->ud->read)
+					if (h->ud->read(h->ud))
+						continue;
+			if (h->trig_epoll_events & (EPOLLOUT | EPOLLERR | EPOLLHUP))
+				if (h->ud && h->ud->write)
+					if (h->ud->write(h->ud))
+						continue;
+			h->trig_epoll_events = 0;
+			continue;
+		}
+		if (!list_empty(&ctx->pending_calls)) {
+			call = list_entry(ctx->pending_calls.next, typeof(*call), entry);
+			list_del(&call->entry);
+			spin_unlock(&ctx->lock);
+			call->func(call->arg);
+			mempool_free(call);
+			continue;
+		}
+		ctx->pending = 0;
+		spin_unlock(&ctx->lock);
+		break;	
+	}
+
+	log_debug2("ctx %p %p: exit\n", ctx, ctx->thread);
+}
+
+struct _triton_thread_t *create_thread()
+{
+	struct _triton_thread_t *thread = _malloc(sizeof(*thread));
+	if (!thread)
+		return NULL;
+
+	memset(thread, 0, sizeof(*thread));
+	pthread_mutex_init(&thread->sleep_lock, NULL);
+	pthread_cond_init(&thread->sleep_cond, NULL);
+	pthread_mutex_lock(&thread->sleep_lock);
+	if (pthread_create(&thread->thread, NULL, (void*(*)(void*))triton_thread, thread)) {
+		triton_log_error("pthread_create: %s", strerror(errno));
+		return NULL;
+	}
+
+	__sync_add_and_fetch(&triton_stat.thread_count, 1);
+	__sync_add_and_fetch(&triton_stat.thread_active, 1);
+
+	return thread;
+}
+
+int triton_queue_ctx(struct _triton_context_t *ctx)
+{
+	ctx->pending = 1;
+	if (ctx->thread || ctx->queued || ctx->init)
+		return 0;
+
+	spin_lock(&threads_lock);
+	if (list_empty(&sleep_threads) || need_config_reload) {
+		if (ctx->priority)
+			list_add(&ctx->entry2, &ctx_queue);
+		else
+			list_add_tail(&ctx->entry2, &ctx_queue);
+		spin_unlock(&threads_lock);
+		ctx->queued = 1;
+		log_debug2("ctx %p: queued\n", ctx);
+		__sync_add_and_fetch(&triton_stat.context_pending, 1);
+		return 0;
+	}
+
+	ctx->thread = list_entry(sleep_threads.next, typeof(*ctx->thread), entry2);
+	ctx->thread->ctx = ctx;
+	log_debug2("ctx %p: assigned to thread %p\n", ctx, ctx->thread);
+	list_del(&ctx->thread->entry2);
+	spin_unlock(&threads_lock);
+
+	return 1;
+}
+
+int __export triton_context_register(struct triton_context_t *ud, void *bf_arg)
+{
+	struct _triton_context_t *ctx = mempool_alloc(ctx_pool);
+
+	log_debug2("ctx %p: register\n", ctx);
+	if (!ctx)
+		return -1;
+
+	memset(ctx, 0, sizeof(*ctx));
+	ctx->ud = ud;
+	ctx->bf_arg = bf_arg;
+	ctx->init = 1;
+	spinlock_init(&ctx->lock);
+	INIT_LIST_HEAD(&ctx->handlers);
+	INIT_LIST_HEAD(&ctx->timers);
+	INIT_LIST_HEAD(&ctx->pending_handlers);
+	INIT_LIST_HEAD(&ctx->pending_timers);
+	INIT_LIST_HEAD(&ctx->pending_calls);
+
+	ud->tpd = ctx;
+
+	spin_lock(&ctx_list_lock);
+	list_add_tail(&ctx->entry, &ctx_list);
+	spin_unlock(&ctx_list_lock);
+
+	__sync_add_and_fetch(&triton_stat.context_sleeping, 1);
+	__sync_add_and_fetch(&triton_stat.context_count, 1);
+
+	return 0;
+}
+
+void __export triton_context_unregister(struct triton_context_t *ud)
+{
+	struct _triton_context_t *ctx = (struct _triton_context_t *)ud->tpd;
+	struct _triton_ctx_call_t *call;
+	struct _triton_thread_t *t;
+
+	log_debug2("ctx %p: unregister\n", ctx);
+
+	while (!list_empty(&ctx->pending_calls)) {
+		call = list_entry(ctx->pending_calls.next, typeof(*call), entry);
+		list_del(&call->entry);
+		mempool_free(call);
+	}
+
+	if (!list_empty(&ctx->handlers)) {
+		triton_log_error("BUG:ctx:triton_unregister_ctx: handlers is not empty");
+		{
+			struct _triton_md_handler_t *h;
+			list_for_each_entry(h, &ctx->handlers, entry)
+				if (h->ud)
+					printf("%p\n", h->ud);
+		}
+		abort();
+	}
+	if (!list_empty(&ctx->pending_handlers)) {
+		triton_log_error("BUG:ctx:triton_unregister_ctx: pending_handlers is not empty");
+		abort();
+	}
+	if (!list_empty(&ctx->timers)) {
+		triton_log_error("BUG:ctx:triton_unregister_ctx: timers is not empty");
+		abort();
+	}
+	if (!list_empty(&ctx->pending_timers)) {
+		triton_log_error("BUG:ctx:triton_unregister_ctx: pending_timers is not empty");
+		abort();
+	}
+
+	ctx->need_free = 1;
+	spin_lock(&ctx_list_lock);
+	list_del(&ctx->entry);
+	if (__sync_sub_and_fetch(&triton_stat.context_count, 1) == 1) {
+		if (need_terminate)
+			terminate = 1;
+	}
+	spin_unlock(&ctx_list_lock);
+	
+	if (terminate) {
+		list_for_each_entry(t, &threads, entry)
+			triton_thread_wakeup(t);
+	}
+}
+
+void __export triton_context_set_priority(struct triton_context_t *ud, int prio)
+{
+	struct _triton_context_t *ctx = (struct _triton_context_t *)ud->tpd;
+	
+	ctx->priority = prio > 0;
+}
+
+void __export triton_context_schedule()
+{
+	struct _triton_context_t *ctx = (struct _triton_context_t *)this_ctx->tpd;
+	struct _triton_thread_t *t = NULL;
+	
+	log_debug2("ctx %p: enter schedule\n", ctx);
+	__sync_add_and_fetch(&triton_stat.context_sleeping, 1);
+	__sync_sub_and_fetch(&triton_stat.thread_active, 1);
+	pthread_mutex_lock(&ctx->thread->sleep_lock);
+	while (1) {
+		if (ctx->wakeup) {
+			ctx->wakeup = 0;
+			break;
+		} else {
+			if (!t && triton_stat.thread_count <= thread_count + triton_stat.context_sleeping) {
+				t = create_thread();
+				spin_lock(&threads_lock);
+				list_add_tail(&t->entry, &threads);
+				spin_unlock(&threads_lock);
+				pthread_mutex_unlock(&t->sleep_lock);
+			}
+			pthread_cond_wait(&ctx->thread->sleep_cond, &ctx->thread->sleep_lock);
+		}
+	}
+	pthread_mutex_unlock(&ctx->thread->sleep_lock);
+	__sync_sub_and_fetch(&triton_stat.context_sleeping, 1);
+	__sync_add_and_fetch(&triton_stat.thread_active, 1);
+	log_debug2("ctx %p: exit schedule\n", ctx);
+}
+
+struct triton_context_t __export *triton_context_self(void)
+{
+	return this_ctx;
+}
+
+void triton_context_print(void)
+{
+	struct _triton_context_t *ctx;
+
+	list_for_each_entry(ctx, &ctx_list, entry)
+		printf("%p\n", ctx);
+}
+
+void __export triton_context_wakeup(struct triton_context_t *ud)
+{
+	struct _triton_context_t *ctx = (struct _triton_context_t *)ud->tpd;
+	int r = 0;
+
+	log_debug2("ctx %p: wakeup\n", ctx);
+
+	if (ctx->init) {
+		__sync_sub_and_fetch(&triton_stat.context_sleeping, 1);
+		spin_lock(&ctx->lock);
+		ctx->init = 0;
+		if (ctx->pending)
+			r = triton_queue_ctx(ctx);
+		spin_unlock(&ctx->lock);
+		if (r)
+			triton_thread_wakeup(ctx->thread);
+		return;
+	}
+
+	pthread_mutex_lock(&ctx->thread->sleep_lock);
+	ctx->wakeup = 1;
+	pthread_cond_signal(&ctx->thread->sleep_cond);
+	pthread_mutex_unlock(&ctx->thread->sleep_lock);
+}
+
+int __export triton_context_call(struct triton_context_t *ud, void (*func)(void *), void *arg)
+{
+	struct _triton_context_t *ctx = (struct _triton_context_t *)ud->tpd;
+	struct _triton_ctx_call_t *call = mempool_alloc(call_pool);
+	int r;
+
+	if (!call)
+		return -1;
+	
+	call->func = func;
+	call->arg = arg;
+
+	spin_lock(&ctx->lock);
+	list_add_tail(&call->entry, &ctx->pending_calls);
+	r = triton_queue_ctx(ctx);
+	spin_unlock(&ctx->lock);
+
+	if (r)
+		triton_thread_wakeup(ctx->thread);
+
+	return 0;
+}
+
+void __export triton_cancel_call(struct triton_context_t *ud, void (*func)(void *))
+{
+	struct _triton_context_t *ctx = (struct _triton_context_t *)ud->tpd;
+	struct list_head *pos, *n;
+	struct _triton_ctx_call_t *call;
+
+	list_for_each_safe(pos, n, &ctx->pending_calls) {
+		call = list_entry(pos, typeof(*call), entry);
+		if (call->func != func)
+			continue;
+		list_del(&call->entry);
+		mempool_free(call);
+	}
+}
+
+void __export triton_collect_cpu_usage(void)
+{
+	struct rusage rusage;
+
+	if (__sync_fetch_and_add(&ru_refs, 1) == 0) {
+		triton_timer_add(NULL, &ru_timer, 0);
+		getrusage(RUSAGE_SELF, &rusage);
+		clock_gettime(CLOCK_MONOTONIC, &ru_timestamp);
+		ru_utime = rusage.ru_utime;
+		ru_stime = rusage.ru_stime;
+		triton_stat.cpu = 0;
+	}
+}
+
+void __export triton_stop_collect_cpu_usage(void)
+{
+	if (__sync_sub_and_fetch(&ru_refs, 1) == 0)
+		triton_timer_del(&ru_timer);
+}
+
+static void ru_update(struct triton_timer_t *t)
+{
+	struct timespec ts;
+	struct rusage rusage;
+	unsigned int dt;
+	unsigned int val;
+
+	getrusage(RUSAGE_SELF, &rusage);
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+
+	dt = (ts.tv_sec - ru_timestamp.tv_sec) * 1000000 + (ts.tv_nsec - ru_timestamp.tv_nsec) / 1000000;
+	val = (double)((rusage.ru_utime.tv_sec - ru_utime.tv_sec) * 1000000 + (rusage.ru_utime.tv_usec - ru_utime.tv_usec) + 
+	      (rusage.ru_stime.tv_sec - ru_stime.tv_sec) * 1000000 + (rusage.ru_stime.tv_usec - ru_stime.tv_usec)) / dt * 100;
+
+	if (val <= 100)
+		triton_stat.cpu = val;
+
+	ru_timestamp = ts;
+	ru_utime = rusage.ru_utime;
+	ru_stime = rusage.ru_stime;
+}
+
+int __export triton_init(const char *conf_file)
+{
+	ctx_pool = mempool_create2(sizeof(struct _triton_context_t));
+	call_pool = mempool_create(sizeof(struct _triton_ctx_call_t));
+
+	if (conf_load(conf_file))
+		return -1;
+
+	if (log_init())
+		return -1;
+
+	if (md_init())
+		return -1;
+
+	if (timer_init())
+		return -1;
+
+	if (event_init())
+		return -1;
+
+	return 0;
+}
+
+int __export triton_load_modules(const char *mod_sect)
+{
+	if (load_modules(mod_sect))
+		return -1;
+	
+	return 0;
+}
+
+void __export triton_conf_reload(void (*notify)(int))
+{
+	spin_lock(&threads_lock);
+	need_config_reload = 1;
+	config_reload_notify = notify;
+	if (triton_stat.thread_active == 0) {
+		spin_unlock(&threads_lock);
+		__config_reload(notify);
+	} else
+		spin_unlock(&threads_lock);
+}
+
+void __export triton_run()
+{
+	struct _triton_thread_t *t;
+	int i;
+	char *opt;
+
+	opt = conf_get_opt("core", "thread-count");
+	if (opt && atoi(opt) > 0)
+		thread_count = atoi(opt);
+
+	for(i = 0; i < thread_count; i++) {
+		t = create_thread();
+		if (!t)
+			_exit(-1);
+
+		list_add_tail(&t->entry, &threads);
+		pthread_mutex_unlock(&t->sleep_lock);
+	}
+
+	time(&triton_stat.start_time);
+
+	md_run();
+	timer_run();
+
+	triton_context_register(&default_ctx, NULL);
+	triton_context_wakeup(&default_ctx);
+}
+
+void __export triton_terminate()
+{
+	struct _triton_context_t *ctx;
+	struct _triton_thread_t *t;
+	int r;
+
+	need_terminate = 1;
+
+	spin_lock(&ctx_list_lock);
+	list_for_each_entry(ctx, &ctx_list, entry) {
+		spin_lock(&ctx->lock);
+		ctx->need_close = 1;
+		r = triton_queue_ctx(ctx);
+		if (r)
+			triton_thread_wakeup(ctx->thread);
+		spin_unlock(&ctx->lock);
+	}
+	spin_unlock(&ctx_list_lock);
+
+	list_for_each_entry(t, &threads, entry)
+		pthread_join(t->thread, NULL);
+	
+	md_terminate();
+	timer_terminate();
+}
+
diff --git a/accel-pppd/triton/triton.h b/accel-pppd/triton/triton.h
new file mode 100644
index 0000000..6866d52
--- /dev/null
+++ b/accel-pppd/triton/triton.h
@@ -0,0 +1,138 @@
+#ifndef TRITON_H
+#define TRITON_H
+
+#include <sys/time.h>
+#include <stdint.h>
+
+#include "list.h"
+
+struct triton_context_t
+{
+	const void *tpd; // triton private data, don't touch
+	void (*close)(struct triton_context_t*);
+	void (*free)(struct triton_context_t*);
+	void (*before_switch)(struct triton_context_t *ctx, void *arg);
+};
+
+struct triton_md_handler_t
+{
+	const void *tpd; // triton private data, don't touch!
+	int fd;
+	int (*read)(struct triton_md_handler_t *);
+	int (*write)(struct triton_md_handler_t *);
+};
+
+struct triton_timer_t
+{
+	const void *tpd; // triton private data, don't touch!
+	struct timeval expire_tv;
+	int period;
+	void (*expire)(struct triton_timer_t *);
+};
+
+struct triton_sigchld_handler_t
+{
+	void *tpd;
+	int pid;
+	void (*handler)(struct triton_sigchld_handler_t *h, int status);
+};
+
+struct conf_option_t
+{
+	struct list_head entry;
+	char *name;
+	char *val;
+};
+
+struct conf_sect_t
+{
+	const char *name;	
+	struct list_head items;
+};
+
+struct triton_stat_t
+{
+	unsigned int mempool_allocated;
+	unsigned int mempool_available;
+	unsigned int thread_count;
+	unsigned int thread_active;
+	unsigned int context_count;
+	unsigned int context_sleeping;
+	unsigned int context_pending;
+	unsigned int md_handler_count;
+	unsigned int md_handler_pending;
+	unsigned int timer_count;
+	unsigned int timer_pending;
+	time_t start_time;
+	unsigned int cpu;
+};
+
+extern struct triton_stat_t triton_stat;
+int triton_context_register(struct triton_context_t *, void *arg);
+void triton_context_unregister(struct triton_context_t *);
+void triton_context_set_priority(struct triton_context_t *, int);
+void triton_context_schedule(void);
+void triton_context_wakeup(struct triton_context_t *);
+int triton_context_call(struct triton_context_t *, void (*func)(void *), void *arg);
+void triton_cancel_call(struct triton_context_t *, void (*func)(void *));
+struct triton_context_t *triton_context_self(void);
+
+#define MD_MODE_READ 1
+#define MD_MODE_WRITE 2
+
+#define MD_TRIG_EDGE 0
+#define MD_TRIG_LEVEL 1
+
+void triton_md_register_handler(struct triton_context_t *, struct triton_md_handler_t *);
+void triton_md_unregister_handler(struct triton_md_handler_t *h);
+int triton_md_enable_handler(struct triton_md_handler_t *h, int mode);
+int triton_md_disable_handler(struct triton_md_handler_t *h,int mode);
+void triton_md_set_trig(struct triton_md_handler_t *h, int mode);
+
+int triton_timer_add(struct triton_context_t *ctx, struct triton_timer_t*,int abs_time);
+int triton_timer_mod(struct triton_timer_t *,int abs_time);
+void triton_timer_del(struct triton_timer_t *);
+
+typedef void (*triton_event_func)(void *);
+int triton_event_register_handler(int ev_id, triton_event_func func);
+void triton_event_fire(int ev_id, void *arg);
+
+struct conf_sect_t *conf_get_section(const char *name);
+char *conf_get_opt(const char *sect, const char *name);
+void triton_conf_reload(void (*notify)(int));
+
+void triton_collect_cpu_usage(void);
+void triton_stop_collect_cpu_usage(void);
+
+
+#define TRITON_OK          0
+#define TRITON_ERR_NOCOMP -1
+#define TRITON_ERR_NOSUPP -2
+#define TRITON_ERR_NOINTF -3
+#define TRITON_ERR_EXISTS -4
+#define TRITON_ERR_NOCHAN -5
+#define TRITON_ERR_NOMSG  -6
+#define TRITON_ERR_BUSY   -5
+
+int triton_init(const char *conf_file);
+int triton_load_modules(const char *md_sect);
+void triton_run(void);
+void triton_terminate(void);
+
+
+#define __init __attribute__((constructor))
+#define __exit __attribute__((destructor))
+#define __export __attribute__((visibility("default")))
+
+#undef offsetof
+#ifdef __compiler_offsetof
+#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
+#else
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
+
+#define container_of(ptr, type, member) ({			\
+	const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
+	(type *)( (char *)__mptr - offsetof(type,member) );})
+
+#endif
diff --git a/accel-pppd/triton/triton_p.h b/accel-pppd/triton/triton_p.h
new file mode 100644
index 0000000..235eb70
--- /dev/null
+++ b/accel-pppd/triton/triton_p.h
@@ -0,0 +1,103 @@
+#ifndef TRITON_P_H
+#define TRITON_P_H
+
+#include <pthread.h>
+#include <sys/epoll.h>
+
+#include "triton.h"
+#include "list.h"
+#include "spinlock.h"
+#include "mempool.h"
+
+struct _triton_thread_t
+{
+	struct list_head entry;
+	struct list_head entry2;
+	pthread_t thread;
+	int terminate;
+	struct _triton_context_t *ctx;
+	pthread_mutex_t sleep_lock;
+	pthread_cond_t sleep_cond;
+};
+
+struct _triton_context_t
+{
+	struct list_head entry;
+	struct list_head entry2;
+	
+	spinlock_t lock;
+	struct _triton_thread_t *thread;
+	
+	struct list_head handlers;
+	struct list_head timers;
+	struct list_head pending_handlers;
+	struct list_head pending_timers;
+	struct list_head pending_calls;
+
+	int init;
+	int queued;
+	int wakeup;
+	int need_close;
+	int need_free;
+	int pending;
+	int priority;
+
+	struct triton_context_t *ud;
+	void *bf_arg;
+};
+
+struct _triton_md_handler_t
+{
+	struct list_head entry;
+	struct list_head entry2;
+	struct _triton_context_t *ctx;
+	struct epoll_event epoll_event;
+	uint32_t trig_epoll_events;
+	int pending:1;
+	int trig_level:1;
+	struct triton_md_handler_t *ud;
+};
+
+struct _triton_timer_t
+{
+	struct list_head entry;
+	struct list_head entry2;
+	struct epoll_event epoll_event;
+	struct _triton_context_t *ctx;
+	int fd;
+	int pending:1;
+	struct triton_timer_t *ud;
+};
+
+struct _triton_event_t
+{
+	struct list_head handlers;
+};
+
+struct _triton_ctx_call_t
+{
+	struct list_head entry;
+
+	void *arg;
+	void (*func)(void *);
+};
+
+int log_init(void);
+int md_init();
+int timer_init();
+int event_init();
+
+void md_run();
+void md_terminate();
+void timer_run();
+void timer_terminate();
+extern struct triton_context_t default_ctx;
+int triton_queue_ctx(struct _triton_context_t*);
+void triton_thread_wakeup(struct _triton_thread_t*);
+int conf_load(const char *fname);
+int conf_reload(const char *fname);
+void triton_log_error(const char *fmt,...);
+void triton_log_debug(const char *fmt,...);
+int load_modules(const char *name);
+
+#endif
diff --git a/accel-pppd/utils.c b/accel-pppd/utils.c
new file mode 100644
index 0000000..491e650
--- /dev/null
+++ b/accel-pppd/utils.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+#include "triton.h"
+#include "utils.h"
+
+#include "memdebug.h"
+
+void __export u_inet_ntoa(in_addr_t addr, char *str)
+{
+	sprintf(str, "%i.%i.%i.%i", addr & 0xff, (addr >> 8) & 0xff, (addr >> 16) & 0xff, (addr >> 24) & 0xff);
+}
diff --git a/accel-pppd/utils.h b/accel-pppd/utils.h
new file mode 100644
index 0000000..27d4d05
--- /dev/null
+++ b/accel-pppd/utils.h
@@ -0,0 +1,8 @@
+#ifndef __UTILS_H
+#define __UTILS_H
+
+#include <netinet/in.h>
+
+void u_inet_ntoa(in_addr_t, char *str);
+
+#endif