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authorYves-Alexis Perez <corsac@debian.org>2013-01-02 14:18:20 +0100
committerYves-Alexis Perez <corsac@debian.org>2013-01-02 14:18:20 +0100
commitc1343b3278cdf99533b7902744d15969f9d6fdc1 (patch)
treed5ed3dc5677a59260ec41cd39bb284d3e94c91b3 /src/libcharon/plugins/socket_raw
parentb34738ed08c2227300d554b139e2495ca5da97d6 (diff)
downloadvyos-strongswan-c1343b3278cdf99533b7902744d15969f9d6fdc1.tar.gz
vyos-strongswan-c1343b3278cdf99533b7902744d15969f9d6fdc1.zip
Imported Upstream version 5.0.1
Diffstat (limited to 'src/libcharon/plugins/socket_raw')
-rw-r--r--src/libcharon/plugins/socket_raw/Makefile.am17
-rw-r--r--src/libcharon/plugins/socket_raw/Makefile.in616
-rw-r--r--src/libcharon/plugins/socket_raw/socket_raw_plugin.c79
-rw-r--r--src/libcharon/plugins/socket_raw/socket_raw_plugin.h42
-rw-r--r--src/libcharon/plugins/socket_raw/socket_raw_socket.c717
-rw-r--r--src/libcharon/plugins/socket_raw/socket_raw_socket.h51
6 files changed, 0 insertions, 1522 deletions
diff --git a/src/libcharon/plugins/socket_raw/Makefile.am b/src/libcharon/plugins/socket_raw/Makefile.am
deleted file mode 100644
index 2109ae5f3..000000000
--- a/src/libcharon/plugins/socket_raw/Makefile.am
+++ /dev/null
@@ -1,17 +0,0 @@
-
-INCLUDES = -I${linux_headers} -I$(top_srcdir)/src/libstrongswan \
- -I$(top_srcdir)/src/libhydra -I$(top_srcdir)/src/libcharon
-
-AM_CFLAGS = -rdynamic
-
-if MONOLITHIC
-noinst_LTLIBRARIES = libstrongswan-socket-raw.la
-else
-plugin_LTLIBRARIES = libstrongswan-socket-raw.la
-endif
-
-libstrongswan_socket_raw_la_SOURCES = \
- socket_raw_plugin.h socket_raw_plugin.c \
- socket_raw_socket.h socket_raw_socket.c
-
-libstrongswan_socket_raw_la_LDFLAGS = -module -avoid-version
diff --git a/src/libcharon/plugins/socket_raw/Makefile.in b/src/libcharon/plugins/socket_raw/Makefile.in
deleted file mode 100644
index 5abceb6c3..000000000
--- a/src/libcharon/plugins/socket_raw/Makefile.in
+++ /dev/null
@@ -1,616 +0,0 @@
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- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
- done | \
- $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
- END { if (nonempty) { for (i in files) print i; }; }'`; \
- test -z "$(CTAGS_ARGS)$$unique" \
- || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
- $$unique
-
-GTAGS:
- here=`$(am__cd) $(top_builddir) && pwd` \
- && $(am__cd) $(top_srcdir) \
- && gtags -i $(GTAGS_ARGS) "$$here"
-
-distclean-tags:
- -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
-
-distdir: $(DISTFILES)
- @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
- topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
- list='$(DISTFILES)'; \
- dist_files=`for file in $$list; do echo $$file; done | \
- sed -e "s|^$$srcdirstrip/||;t" \
- -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
- case $$dist_files in \
- */*) $(MKDIR_P) `echo "$$dist_files" | \
- sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
- sort -u` ;; \
- esac; \
- for file in $$dist_files; do \
- if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
- if test -d $$d/$$file; then \
- dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
- if test -d "$(distdir)/$$file"; then \
- find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
- fi; \
- if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
- cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
- find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
- fi; \
- cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
- else \
- test -f "$(distdir)/$$file" \
- || cp -p $$d/$$file "$(distdir)/$$file" \
- || exit 1; \
- fi; \
- done
-check-am: all-am
-check: check-am
-all-am: Makefile $(LTLIBRARIES)
-installdirs:
- for dir in "$(DESTDIR)$(plugindir)"; do \
- test -z "$$dir" || $(MKDIR_P) "$$dir"; \
- done
-install: install-am
-install-exec: install-exec-am
-install-data: install-data-am
-uninstall: uninstall-am
-
-install-am: all-am
- @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-
-installcheck: installcheck-am
-install-strip:
- $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
- install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
- `test -z '$(STRIP)' || \
- echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
- -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
- -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
-
-maintainer-clean-generic:
- @echo "This command is intended for maintainers to use"
- @echo "it deletes files that may require special tools to rebuild."
-clean: clean-am
-
-clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
- clean-pluginLTLIBRARIES mostlyclean-am
-
-distclean: distclean-am
- -rm -rf ./$(DEPDIR)
- -rm -f Makefile
-distclean-am: clean-am distclean-compile distclean-generic \
- distclean-tags
-
-dvi: dvi-am
-
-dvi-am:
-
-html: html-am
-
-html-am:
-
-info: info-am
-
-info-am:
-
-install-data-am: install-pluginLTLIBRARIES
-
-install-dvi: install-dvi-am
-
-install-dvi-am:
-
-install-exec-am:
-
-install-html: install-html-am
-
-install-html-am:
-
-install-info: install-info-am
-
-install-info-am:
-
-install-man:
-
-install-pdf: install-pdf-am
-
-install-pdf-am:
-
-install-ps: install-ps-am
-
-install-ps-am:
-
-installcheck-am:
-
-maintainer-clean: maintainer-clean-am
- -rm -rf ./$(DEPDIR)
- -rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-am
-
-mostlyclean-am: mostlyclean-compile mostlyclean-generic \
- mostlyclean-libtool
-
-pdf: pdf-am
-
-pdf-am:
-
-ps: ps-am
-
-ps-am:
-
-uninstall-am: uninstall-pluginLTLIBRARIES
-
-.MAKE: install-am install-strip
-
-.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
- clean-libtool clean-noinstLTLIBRARIES clean-pluginLTLIBRARIES \
- ctags distclean distclean-compile distclean-generic \
- distclean-libtool distclean-tags distdir dvi dvi-am html \
- html-am info info-am install install-am install-data \
- install-data-am install-dvi install-dvi-am install-exec \
- install-exec-am install-html install-html-am install-info \
- install-info-am install-man install-pdf install-pdf-am \
- install-pluginLTLIBRARIES install-ps install-ps-am \
- install-strip installcheck installcheck-am installdirs \
- maintainer-clean maintainer-clean-generic mostlyclean \
- mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
- pdf pdf-am ps ps-am tags uninstall uninstall-am \
- uninstall-pluginLTLIBRARIES
-
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/src/libcharon/plugins/socket_raw/socket_raw_plugin.c b/src/libcharon/plugins/socket_raw/socket_raw_plugin.c
deleted file mode 100644
index 1299c30ca..000000000
--- a/src/libcharon/plugins/socket_raw/socket_raw_plugin.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (C) 2010 Tobias Brunner
- * Hochschule fuer Technik Rapperswil
- * Copyright (C) 2010 Martin Willi
- * Copyright (C) 2010 revosec AG
- *
- * 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. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program 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 General Public License
- * for more details.
- */
-
-#include "socket_raw_plugin.h"
-
-#include "socket_raw_socket.h"
-
-#include <daemon.h>
-
-typedef struct private_socket_raw_plugin_t private_socket_raw_plugin_t;
-
-/**
- * Private data of socket plugin
- */
-struct private_socket_raw_plugin_t {
-
- /**
- * Implements plugin interface
- */
- socket_raw_plugin_t public;
-};
-
-METHOD(plugin_t, get_name, char*,
- private_socket_raw_plugin_t *this)
-{
- return "socket-raw";
-}
-
-METHOD(plugin_t, get_features, int,
- private_socket_raw_plugin_t *this, plugin_feature_t *features[])
-{
- static plugin_feature_t f[] = {
- PLUGIN_CALLBACK(socket_register, socket_raw_socket_create),
- PLUGIN_PROVIDE(CUSTOM, "socket"),
- };
- *features = f;
- return countof(f);
-}
-
-METHOD(plugin_t, destroy, void,
- private_socket_raw_plugin_t *this)
-{
- free(this);
-}
-
-/*
- * see header file
- */
-plugin_t *socket_raw_plugin_create()
-{
- private_socket_raw_plugin_t *this;
-
- INIT(this,
- .public = {
- .plugin = {
- .get_name = _get_name,
- .get_features = _get_features,
- .destroy = _destroy,
- },
- },
- );
-
- return &this->public.plugin;
-}
-
diff --git a/src/libcharon/plugins/socket_raw/socket_raw_plugin.h b/src/libcharon/plugins/socket_raw/socket_raw_plugin.h
deleted file mode 100644
index a692b7594..000000000
--- a/src/libcharon/plugins/socket_raw/socket_raw_plugin.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2010 Martin Willi
- * Copyright (C) 2010 revosec AG
- *
- * 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. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program 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 General Public License
- * for more details.
- */
-
-/**
- * @defgroup socket_raw socket_raw
- * @ingroup cplugins
- *
- * @defgroup socket_raw_plugin socket_raw_plugin
- * @{ @ingroup socket_raw
- */
-
-#ifndef SOCKET_RAW_PLUGIN_H_
-#define SOCKET_RAW_PLUGIN_H_
-
-#include <plugins/plugin.h>
-
-typedef struct socket_raw_plugin_t socket_raw_plugin_t;
-
-/**
- * RAW socket implementation plugin.
- */
-struct socket_raw_plugin_t {
-
- /**
- * implements plugin interface
- */
- plugin_t plugin;
-};
-
-#endif /** SOCKET_RAW_PLUGIN_H_ @}*/
diff --git a/src/libcharon/plugins/socket_raw/socket_raw_socket.c b/src/libcharon/plugins/socket_raw/socket_raw_socket.c
deleted file mode 100644
index ae37d8f2b..000000000
--- a/src/libcharon/plugins/socket_raw/socket_raw_socket.c
+++ /dev/null
@@ -1,717 +0,0 @@
-/*
- * Copyright (C) 2006-2010 Tobias Brunner
- * Copyright (C) 2005-2010 Martin Willi
- * Copyright (C) 2006 Daniel Roethlisberger
- * Copyright (C) 2005 Jan Hutter
- * Hochschule fuer Technik Rapperswil
- *
- * 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. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program 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 General Public License
- * for more details.
- */
-
-/* for struct in6_pktinfo */
-#define _GNU_SOURCE
-
-#include "socket_raw_socket.h"
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <netinet/in.h>
-#include <netinet/ip.h>
-#include <netinet/udp.h>
-#include <linux/types.h>
-#include <linux/filter.h>
-#include <net/if.h>
-
-#include <hydra.h>
-#include <daemon.h>
-#include <threading/thread.h>
-
-/* Maximum size of a packet */
-#define MAX_PACKET 10000
-
-/* constants for packet handling */
-#define IP_LEN sizeof(struct iphdr)
-#define IP6_LEN sizeof(struct ip6_hdr)
-#define UDP_LEN sizeof(struct udphdr)
-#define MARKER_LEN sizeof(u_int32_t)
-
-/* offsets for packet handling */
-#define IP_PROTO_OFFSET 9
-#define IP6_PROTO_OFFSET 6
-#define IKE_VERSION_OFFSET 17
-#define IKE_LENGTH_OFFSET 24
-
-/* from linux/udp.h */
-#ifndef UDP_ENCAP
-#define UDP_ENCAP 100
-#endif /*UDP_ENCAP*/
-
-#ifndef UDP_ENCAP_ESPINUDP
-#define UDP_ENCAP_ESPINUDP 2
-#endif /*UDP_ENCAP_ESPINUDP*/
-
-/* needed for older kernel headers */
-#ifndef IPV6_2292PKTINFO
-#define IPV6_2292PKTINFO 2
-#endif /*IPV6_2292PKTINFO*/
-
-typedef struct private_socket_raw_socket_t private_socket_raw_socket_t;
-
-/**
- * Private data of an socket_t object
- */
-struct private_socket_raw_socket_t {
-
- /**
- * public functions
- */
- socket_raw_socket_t public;
-
- /**
- * regular port
- */
- int port;
-
- /**
- * port used for nat-t
- */
- int natt_port;
-
- /**
- * raw receiver socket for IPv4
- */
- int recv4;
-
- /**
- * raw receiver socket for IPv6
- */
- int recv6;
-
- /**
- * send socket on regular port for IPv4
- */
- int send4;
-
- /**
- * send socket on regular port for IPv6
- */
- int send6;
-
- /**
- * send socket on nat-t port for IPv4
- */
- int send4_natt;
-
- /**
- * send socket on nat-t port for IPv6
- */
- int send6_natt;
-
- /**
- * Maximum packet size to receive
- */
- int max_packet;
-};
-
-METHOD(socket_t, receiver, status_t,
- private_socket_raw_socket_t *this, packet_t **packet)
-{
- char buffer[this->max_packet];
- chunk_t data;
- packet_t *pkt;
- struct udphdr *udp;
- host_t *source = NULL, *dest = NULL;
- int bytes_read = 0, data_offset;
- bool oldstate;
- fd_set rfds;
-
- FD_ZERO(&rfds);
-
- if (this->recv4)
- {
- FD_SET(this->recv4, &rfds);
- }
- if (this->recv6)
- {
- FD_SET(this->recv6, &rfds);
- }
-
- DBG2(DBG_NET, "waiting for data on raw sockets");
-
- oldstate = thread_cancelability(TRUE);
- if (select(max(this->recv4, this->recv6) + 1, &rfds, NULL, NULL, NULL) <= 0)
- {
- thread_cancelability(oldstate);
- return FAILED;
- }
- thread_cancelability(oldstate);
-
- if (this->recv4 && FD_ISSET(this->recv4, &rfds))
- {
- /* IPv4 raw sockets return the IP header. We read src/dest
- * information directly from the raw header */
- struct iphdr *ip;
- struct sockaddr_in src, dst;
-
- bytes_read = recv(this->recv4, buffer, this->max_packet, 0);
- if (bytes_read < 0)
- {
- DBG1(DBG_NET, "error reading from IPv4 socket: %s", strerror(errno));
- return FAILED;
- }
- if (bytes_read == this->max_packet)
- {
- DBG1(DBG_NET, "receive buffer too small, packet discarded");
- return FAILED;
- }
- DBG3(DBG_NET, "received IPv4 packet %b", buffer, bytes_read);
-
- /* read source/dest from raw IP/UDP header */
- if (bytes_read < IP_LEN + UDP_LEN + MARKER_LEN)
- {
- DBG1(DBG_NET, "received IPv4 packet too short (%d bytes)",
- bytes_read);
- return FAILED;
- }
- ip = (struct iphdr*) buffer;
- udp = (struct udphdr*) (buffer + IP_LEN);
- src.sin_family = AF_INET;
- src.sin_addr.s_addr = ip->saddr;
- src.sin_port = udp->source;
- dst.sin_family = AF_INET;
- dst.sin_addr.s_addr = ip->daddr;
- dst.sin_port = udp->dest;
- source = host_create_from_sockaddr((sockaddr_t*)&src);
- dest = host_create_from_sockaddr((sockaddr_t*)&dst);
-
- pkt = packet_create();
- pkt->set_source(pkt, source);
- pkt->set_destination(pkt, dest);
- DBG2(DBG_NET, "received packet: from %#H to %#H", source, dest);
- data_offset = IP_LEN + UDP_LEN;
- /* remove non esp marker */
- if (dest->get_port(dest) == IKEV2_NATT_PORT)
- {
- data_offset += MARKER_LEN;
- }
- /* fill in packet */
- data.len = bytes_read - data_offset;
- data.ptr = malloc(data.len);
- memcpy(data.ptr, buffer + data_offset, data.len);
- pkt->set_data(pkt, data);
- }
- else if (this->recv6 && FD_ISSET(this->recv6, &rfds))
- {
- /* IPv6 raw sockets return no IP header. We must query
- * src/dest via socket options/ancillary data */
- struct msghdr msg;
- struct cmsghdr *cmsgptr;
- struct sockaddr_in6 src, dst;
- struct iovec iov;
- char ancillary[64];
-
- msg.msg_name = &src;
- msg.msg_namelen = sizeof(src);
- iov.iov_base = buffer;
- iov.iov_len = this->max_packet;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = ancillary;
- msg.msg_controllen = sizeof(ancillary);
- msg.msg_flags = 0;
-
- bytes_read = recvmsg(this->recv6, &msg, 0);
- if (bytes_read < 0)
- {
- DBG1(DBG_NET, "error reading from IPv6 socket: %s", strerror(errno));
- return FAILED;
- }
- DBG3(DBG_NET, "received IPv6 packet %b", buffer, bytes_read);
-
- if (bytes_read < IP_LEN + UDP_LEN + MARKER_LEN)
- {
- DBG3(DBG_NET, "received IPv6 packet too short (%d bytes)",
- bytes_read);
- return FAILED;
- }
-
- /* read ancillary data to get destination address */
- for (cmsgptr = CMSG_FIRSTHDR(&msg); cmsgptr != NULL;
- cmsgptr = CMSG_NXTHDR(&msg, cmsgptr))
- {
- if (cmsgptr->cmsg_len == 0)
- {
- DBG1(DBG_NET, "error reading IPv6 ancillary data");
- return FAILED;
- }
-
-#ifdef HAVE_IN6_PKTINFO
- if (cmsgptr->cmsg_level == SOL_IPV6 &&
- cmsgptr->cmsg_type == IPV6_2292PKTINFO)
- {
- struct in6_pktinfo *pktinfo;
- pktinfo = (struct in6_pktinfo*)CMSG_DATA(cmsgptr);
-
- memset(&dst, 0, sizeof(dst));
- memcpy(&dst.sin6_addr, &pktinfo->ipi6_addr, sizeof(dst.sin6_addr));
- dst.sin6_family = AF_INET6;
- udp = (struct udphdr*) (buffer);
- dst.sin6_port = udp->dest;
- src.sin6_port = udp->source;
- dest = host_create_from_sockaddr((sockaddr_t*)&dst);
- }
-#endif /* HAVE_IN6_PKTINFO */
- }
- /* ancillary data missing? */
- if (dest == NULL)
- {
- DBG1(DBG_NET, "error reading IPv6 packet header");
- return FAILED;
- }
-
- source = host_create_from_sockaddr((sockaddr_t*)&src);
-
- pkt = packet_create();
- pkt->set_source(pkt, source);
- pkt->set_destination(pkt, dest);
- DBG2(DBG_NET, "received packet: from %#H to %#H", source, dest);
- data_offset = UDP_LEN;
- /* remove non esp marker */
- if (dest->get_port(dest) == IKEV2_NATT_PORT)
- {
- data_offset += MARKER_LEN;
- }
- /* fill in packet */
- data.len = bytes_read - data_offset;
- data.ptr = malloc(data.len);
- memcpy(data.ptr, buffer + data_offset, data.len);
- pkt->set_data(pkt, data);
- }
- else
- {
- /* oops, shouldn't happen */
- return FAILED;
- }
-
- /* return packet */
- *packet = pkt;
- return SUCCESS;
-}
-
-METHOD(socket_t, sender, status_t,
- private_socket_raw_socket_t *this, packet_t *packet)
-{
- int sport, skt, family;
- ssize_t bytes_sent;
- chunk_t data, marked;
- host_t *src, *dst;
- struct msghdr msg;
- struct cmsghdr *cmsg;
- struct iovec iov;
-
- src = packet->get_source(packet);
- dst = packet->get_destination(packet);
- data = packet->get_data(packet);
-
- DBG2(DBG_NET, "sending packet: from %#H to %#H", src, dst);
-
- /* send data */
- sport = src->get_port(src);
- family = dst->get_family(dst);
- if (sport == IKEV2_UDP_PORT)
- {
- if (family == AF_INET)
- {
- skt = this->send4;
- }
- else
- {
- skt = this->send6;
- }
- }
- else if (sport == IKEV2_NATT_PORT)
- {
- if (family == AF_INET)
- {
- skt = this->send4_natt;
- }
- else
- {
- skt = this->send6_natt;
- }
- /* NAT keepalives without marker */
- if (data.len != 1 || data.ptr[0] != 0xFF)
- {
- /* add non esp marker to packet */
- marked = chunk_alloc(data.len + MARKER_LEN);
- memset(marked.ptr, 0, MARKER_LEN);
- memcpy(marked.ptr + MARKER_LEN, data.ptr, data.len);
- /* let the packet do the clean up for us */
- packet->set_data(packet, marked);
- data = marked;
- }
- }
- else
- {
- DBG1(DBG_NET, "unable to locate a send socket for port %d", sport);
- return FAILED;
- }
-
- memset(&msg, 0, sizeof(struct msghdr));
- msg.msg_name = dst->get_sockaddr(dst);;
- msg.msg_namelen = *dst->get_sockaddr_len(dst);
- iov.iov_base = data.ptr;
- iov.iov_len = data.len;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_flags = 0;
-
- if (!src->is_anyaddr(src))
- {
- if (family == AF_INET)
- {
- char buf[CMSG_SPACE(sizeof(struct in_pktinfo))];
- struct in_pktinfo *pktinfo;
- struct sockaddr_in *sin;
-
- msg.msg_control = buf;
- msg.msg_controllen = sizeof(buf);
- cmsg = CMSG_FIRSTHDR(&msg);
- cmsg->cmsg_level = SOL_IP;
- cmsg->cmsg_type = IP_PKTINFO;
- cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_pktinfo));
- pktinfo = (struct in_pktinfo*)CMSG_DATA(cmsg);
- memset(pktinfo, 0, sizeof(struct in_pktinfo));
- sin = (struct sockaddr_in*)src->get_sockaddr(src);
- memcpy(&pktinfo->ipi_spec_dst, &sin->sin_addr, sizeof(struct in_addr));
- }
-#ifdef HAVE_IN6_PKTINFO
- else
- {
- char buf[CMSG_SPACE(sizeof(struct in6_pktinfo))];
- struct in6_pktinfo *pktinfo;
- struct sockaddr_in6 *sin;
-
- msg.msg_control = buf;
- msg.msg_controllen = sizeof(buf);
- cmsg = CMSG_FIRSTHDR(&msg);
- cmsg->cmsg_level = SOL_IPV6;
- cmsg->cmsg_type = IPV6_2292PKTINFO;
- cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo));
- pktinfo = (struct in6_pktinfo*)CMSG_DATA(cmsg);
- memset(pktinfo, 0, sizeof(struct in6_pktinfo));
- sin = (struct sockaddr_in6*)src->get_sockaddr(src);
- memcpy(&pktinfo->ipi6_addr, &sin->sin6_addr, sizeof(struct in6_addr));
- }
-#endif /* HAVE_IN6_PKTINFO */
- }
-
- bytes_sent = sendmsg(skt, &msg, 0);
-
- if (bytes_sent != data.len)
- {
- DBG1(DBG_NET, "error writing to socket: %s", strerror(errno));
- return FAILED;
- }
- return SUCCESS;
-}
-
-/**
- * open a socket to send packets
- */
-static int open_send_socket(private_socket_raw_socket_t *this,
- int family, u_int16_t port)
-{
- int on = TRUE;
- int type = UDP_ENCAP_ESPINUDP;
- struct sockaddr_storage addr;
- int skt;
-
- memset(&addr, 0, sizeof(addr));
- addr.ss_family = family;
- /* precalculate constants depending on address family */
- switch (family)
- {
- case AF_INET:
- {
- struct sockaddr_in *sin = (struct sockaddr_in *)&addr;
- htoun32(&sin->sin_addr.s_addr, INADDR_ANY);
- htoun16(&sin->sin_port, port);
- break;
- }
- case AF_INET6:
- {
- struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&addr;
- memcpy(&sin6->sin6_addr, &in6addr_any, sizeof(in6addr_any));
- htoun16(&sin6->sin6_port, port);
- break;
- }
- default:
- return 0;
- }
-
- skt = socket(family, SOCK_DGRAM, IPPROTO_UDP);
- if (skt < 0)
- {
- DBG1(DBG_NET, "could not open send socket: %s", strerror(errno));
- return 0;
- }
-
- if (setsockopt(skt, SOL_SOCKET, SO_REUSEADDR, (void*)&on, sizeof(on)) < 0)
- {
- DBG1(DBG_NET, "unable to set SO_REUSEADDR on send socket: %s",
- strerror(errno));
- close(skt);
- return 0;
- }
-
- /* bind the send socket */
- if (bind(skt, (struct sockaddr *)&addr, sizeof(addr)) < 0)
- {
- DBG1(DBG_NET, "unable to bind send socket: %s",
- strerror(errno));
- close(skt);
- return 0;
- }
-
- if (family == AF_INET)
- {
- /* enable UDP decapsulation globally, only for one socket needed */
- if (setsockopt(skt, SOL_UDP, UDP_ENCAP, &type, sizeof(type)) < 0)
- {
- DBG1(DBG_NET, "unable to set UDP_ENCAP: %s; NAT-T may fail",
- strerror(errno));
- }
- }
-
- if (!hydra->kernel_interface->bypass_socket(hydra->kernel_interface,
- skt, family))
- {
- DBG1(DBG_NET, "installing bypass policy on send socket failed");
- }
-
- return skt;
-}
-
-/**
- * open a socket to receive packets
- */
-static int open_recv_socket(private_socket_raw_socket_t *this, int family)
-{
- int skt;
- int on = TRUE;
- u_int ip_len, sol, udp_header, ike_header;
-
- /* precalculate constants depending on address family */
- switch (family)
- {
- case AF_INET:
- ip_len = IP_LEN;
- sol = SOL_IP;
- break;
- case AF_INET6:
- ip_len = 0; /* IPv6 raw sockets contain no IP header */
- sol = SOL_IPV6;
- break;
- default:
- return 0;
- }
- udp_header = ip_len;
- ike_header = ip_len + UDP_LEN;
-
- /* This filter code filters out all non-IKEv2 traffic on
- * a SOCK_RAW IP_PROTP_UDP socket. Handling of other
- * IKE versions is done in pluto.
- */
- struct sock_filter ikev2_filter_code[] =
- {
- /* Destination Port must be either port or natt_port */
- BPF_STMT(BPF_LD+BPF_H+BPF_ABS, udp_header + 2),
- BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, IKEV2_UDP_PORT, 1, 0),
- BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, IKEV2_NATT_PORT, 6, 14),
- /* port */
- /* IKE version must be 2.x */
- BPF_STMT(BPF_LD+BPF_B+BPF_ABS, ike_header + IKE_VERSION_OFFSET),
- BPF_STMT(BPF_ALU+BPF_RSH+BPF_K, 4),
- BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, 2, 0, 11),
- /* packet length is length in IKEv2 header + ip header + udp header */
- BPF_STMT(BPF_LD+BPF_W+BPF_ABS, ike_header + IKE_LENGTH_OFFSET),
- BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, ip_len + UDP_LEN),
- BPF_STMT(BPF_RET+BPF_A, 0),
- /* natt_port */
- /* nat-t: check for marker */
- BPF_STMT(BPF_LD+BPF_W+BPF_ABS, ike_header),
- BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, 0, 0, 6),
- /* nat-t: IKE version must be 2.x */
- BPF_STMT(BPF_LD+BPF_B+BPF_ABS, ike_header + MARKER_LEN + IKE_VERSION_OFFSET),
- BPF_STMT(BPF_ALU+BPF_RSH+BPF_K, 4),
- BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, 2, 0, 3),
- /* nat-t: packet length is length in IKEv2 header + ip header + udp header + non esp marker */
- BPF_STMT(BPF_LD+BPF_W+BPF_ABS, ike_header + MARKER_LEN + IKE_LENGTH_OFFSET),
- BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, ip_len + UDP_LEN + MARKER_LEN),
- BPF_STMT(BPF_RET+BPF_A, 0),
- /* packet doesn't match, ignore */
- BPF_STMT(BPF_RET+BPF_K, 0),
- };
-
- /* Filter struct to use with setsockopt */
- struct sock_fprog ikev2_filter = {
- sizeof(ikev2_filter_code) / sizeof(struct sock_filter),
- ikev2_filter_code
- };
-
- /* set up a raw socket */
- skt = socket(family, SOCK_RAW, IPPROTO_UDP);
- if (skt < 0)
- {
- DBG1(DBG_NET, "unable to create raw socket: %s", strerror(errno));
- return 0;
- }
-
- if (setsockopt(skt, SOL_SOCKET, SO_ATTACH_FILTER,
- &ikev2_filter, sizeof(ikev2_filter)) < 0)
- {
- DBG1(DBG_NET, "unable to attach IKEv2 filter to raw socket: %s",
- strerror(errno));
- close(skt);
- return 0;
- }
-
- if (family == AF_INET6 &&
- /* we use IPV6_2292PKTINFO, as IPV6_PKTINFO is defined as
- * 2 or 50 depending on kernel header version */
- setsockopt(skt, sol, IPV6_2292PKTINFO, &on, sizeof(on)) < 0)
- {
- DBG1(DBG_NET, "unable to set IPV6_PKTINFO on raw socket: %s",
- strerror(errno));
- close(skt);
- return 0;
- }
-
- if (!hydra->kernel_interface->bypass_socket(hydra->kernel_interface,
- skt, family))
- {
- DBG1(DBG_NET, "installing bypass policy on receive socket failed");
- }
-
- return skt;
-}
-
-METHOD(socket_t, destroy, void,
- private_socket_raw_socket_t *this)
-{
- if (this->recv4)
- {
- close(this->recv4);
- }
- if (this->recv6)
- {
- close(this->recv6);
- }
- if (this->send4)
- {
- close(this->send4);
- }
- if (this->send6)
- {
- close(this->send6);
- }
- if (this->send4_natt)
- {
- close(this->send4_natt);
- }
- if (this->send6_natt)
- {
- close(this->send6_natt);
- }
- free(this);
-}
-
-/*
- * See header for description
- */
-socket_raw_socket_t *socket_raw_socket_create()
-{
- private_socket_raw_socket_t *this;
-
- INIT(this,
- .public = {
- .socket = {
- .send = _sender,
- .receive = _receiver,
- .destroy = _destroy,
- },
- },
- .max_packet = lib->settings->get_int(lib->settings,
- "charon.max_packet", MAX_PACKET),
- );
-
- this->recv4 = open_recv_socket(this, AF_INET);
- if (this->recv4 == 0)
- {
- DBG1(DBG_NET, "could not open IPv4 receive socket, IPv4 disabled");
- }
- else
- {
- this->send4 = open_send_socket(this, AF_INET, IKEV2_UDP_PORT);
- if (this->send4 == 0)
- {
- DBG1(DBG_NET, "could not open IPv4 send socket, IPv4 disabled");
- close(this->recv4);
- }
- else
- {
- this->send4_natt = open_send_socket(this, AF_INET, IKEV2_NATT_PORT);
- if (this->send4_natt == 0)
- {
- DBG1(DBG_NET, "could not open IPv4 NAT-T send socket");
- }
- }
- }
-
- this->recv6 = open_recv_socket(this, AF_INET6);
- if (this->recv6 == 0)
- {
- DBG1(DBG_NET, "could not open IPv6 receive socket, IPv6 disabled");
- }
- else
- {
- this->send6 = open_send_socket(this, AF_INET6, IKEV2_UDP_PORT);
- if (this->send6 == 0)
- {
- DBG1(DBG_NET, "could not open IPv6 send socket, IPv6 disabled");
- close(this->recv6);
- }
- else
- {
- this->send6_natt = open_send_socket(this, AF_INET6, IKEV2_NATT_PORT);
- if (this->send6_natt == 0)
- {
- DBG1(DBG_NET, "could not open IPv6 NAT-T send socket");
- }
- }
- }
-
- if (!(this->send4 || this->send6) || !(this->recv4 || this->recv6))
- {
- DBG1(DBG_NET, "could not create any sockets");
- destroy(this);
- return NULL;
- }
-
- return &this->public;
-}
diff --git a/src/libcharon/plugins/socket_raw/socket_raw_socket.h b/src/libcharon/plugins/socket_raw/socket_raw_socket.h
deleted file mode 100644
index 23ff304a8..000000000
--- a/src/libcharon/plugins/socket_raw/socket_raw_socket.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2010 Martin Willi
- * Copyright (C) 2010 revosec AG
- *
- * 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. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program 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 General Public License
- * for more details.
- */
-
-/**
- * @defgroup socket_raw_socket socket_raw_socket
- * @{ @ingroup socket_raw
- */
-
-#ifndef SOCKET_RAW_SOCKET_H_
-#define SOCKET_RAW_SOCKET_H_
-
-typedef struct socket_raw_socket_t socket_raw_socket_t;
-
-#include <network/socket.h>
-
-/**
- * Raw socket, binds to port 500/4500 using any IPv4/IPv6 address.
- *
- * This imeplementation uses raw sockets to allow binding of other daemons
- * (pluto) to UDP/500/4500. An installed "Linux socket filter" filters out
- * all non-IKEv2 traffic and handles just IKEv2 messages. An other daemon
- * must handle all traffic separately, e.g. ignore IKEv2 traffic, since charon
- * handles that.
- */
-struct socket_raw_socket_t {
-
- /**
- * Implements the socket_t interface.
- */
- socket_t socket;
-
-};
-
-/**
- * Create a socket_raw_socket instance.
- */
-socket_raw_socket_t *socket_raw_socket_create();
-
-#endif /** SOCKET_RAW_SOCKET_H_ @}*/