diff options
-rw-r--r-- | data/templates/l2tp/chap-secrets.tmpl | 12 | ||||
-rw-r--r-- | data/templates/l2tp/l2tp.config.tmpl | 140 | ||||
-rw-r--r-- | data/templates/sstp/sstp.config.tmpl | 2 | ||||
-rw-r--r-- | interface-definitions/vpn-l2tp.xml.in | 176 | ||||
-rw-r--r-- | python/vyos/ifconfig/__init__.py | 1 | ||||
-rw-r--r-- | python/vyos/ifconfig/control.py | 4 | ||||
-rw-r--r-- | python/vyos/ifconfig/section.py (renamed from python/vyos/ifconfig/register.py) | 55 | ||||
-rwxr-xr-x | src/completion/list_interfaces.py | 44 | ||||
-rwxr-xr-x | src/completion/list_openvpn_clients.py | 4 | ||||
-rwxr-xr-x | src/conf_mode/accel_l2tp.py | 397 | ||||
-rwxr-xr-x | src/conf_mode/flow_accounting_conf.py | 7 | ||||
-rwxr-xr-x | src/conf_mode/vpn_l2tp.py | 398 | ||||
-rwxr-xr-x | src/conf_mode/vpn_sstp.py | 112 | ||||
-rw-r--r-- | src/etc/systemd/system/accel-ppp-l2tp.service | 14 | ||||
-rw-r--r-- | src/etc/systemd/system/accel-ppp-sstp.service | 14 | ||||
-rwxr-xr-x | src/migration-scripts/l2tp/2-to-3 | 111 |
16 files changed, 779 insertions, 712 deletions
diff --git a/data/templates/l2tp/chap-secrets.tmpl b/data/templates/l2tp/chap-secrets.tmpl index 0db295fdc..dd00d7bd0 100644 --- a/data/templates/l2tp/chap-secrets.tmpl +++ b/data/templates/l2tp/chap-secrets.tmpl @@ -1,10 +1,10 @@ -# username server password acceptable local IP addresses shaper -{% for user in authentication['local-users'] %} -{% if authentication['local-users'][user]['state'] == 'enabled' %} -{% if authentication['local-users'][user]['upload'] and authentication['local-users'][user]['download'] %} -{{ "%-12s" | format(user) }} * {{ "%-16s" | format(authentication['local-users'][user]['passwd']) }} {{ "%-16s" | format(authentication['local-users'][user]['ip']) }} {{ authentication['local-users'][user]['download'] }} / {{ authentication['local-users'][user]['upload'] }} +# username server password acceptable local IP addresses shaper +{% for user in local_users %} +{% if user.state == 'enabled' %} +{% if user.upload and user.download %} +{{ "%-12s" | format(user.name) }} * {{ "%-16s" | format(user.password) }} {{ "%-16s" | format(user.ip) }} {{ user.download }} / {{ user.upload }} {% else %} -{{ "%-12s" | format(user) }} * {{ "%-16s" | format(authentication['local-users'][user]['passwd']) }} {{ "%-16s" | format(authentication['local-users'][user]['ip']) }} +{{ "%-12s" | format(user.name) }} * {{ "%-16s" | format(user.password) }} {{ "%-16s" | format(user.ip) }} {% endif %} {% endif %} {% endfor %} diff --git a/data/templates/l2tp/l2tp.config.tmpl b/data/templates/l2tp/l2tp.config.tmpl index b8637e256..ba78cadcd 100644 --- a/data/templates/l2tp/l2tp.config.tmpl +++ b/data/templates/l2tp/l2tp.config.tmpl @@ -3,12 +3,14 @@ log_syslog l2tp chap-secrets -{% for proto in authentication['auth_proto']: %} +{% for proto in auth_proto: %} {{proto}} {% endfor%} -{% if authentication['mode'] == 'radius' %} + +{% if auth_mode == 'radius' %} radius {% endif -%} + ippool shaper ipv6pool @@ -23,52 +25,46 @@ syslog=accel-l2tp,daemon copy=1 level=5 -{% if dns %} +{% if dnsv4 %} [dns] -{% if dns[0] %} -dns1={{dns[0]}} -{% endif %} -{% if dns[1] %} -dns2={{dns[1]}} +{% for dns in dnsv4 -%} +dns{{ loop.index }}={{ dns }} +{% endfor -%} {% endif %} -{% endif -%} {% if dnsv6 %} [ipv6-dns] -{% for srv in dnsv6: %} -{{srv}} -{% endfor %} +{% for dns in dnsv6 -%} +{{ dns }} +{% endfor -%} {% endif %} {% if wins %} [wins] -{% if wins[0] %} -wins1={{wins[0]}} -{% endif %} -{% if wins[1] %} -wins2={{wins[1]}} +{% for server in wins -%} +wins{{ loop.index }}={{ server }} +{% endfor -%} {% endif %} -{% endif -%} [l2tp] verbose=1 ifname=l2tp%d -ppp-max-mtu={{mtu}} -mppe={{authentication['mppe']}} +ppp-max-mtu={{ mtu }} +mppe={{ ppp_mppe }} {% if outside_addr %} -bind={{outside_addr}} +bind={{ outside_addr }} {% endif %} {% if lns_shared_secret %} -secret={{lns_shared_secret}} +secret={{ lns_shared_secret }} {% endif %} [client-ip-range] 0.0.0.0/0 -{% if (client_ip_pool) or (client_ip_subnets) %} +{% if client_ip_pool or client_ip_subnets %} [ip-pool] {% if client_ip_pool %} -{{client_ip_pool}} +{{ client_ip_pool }} {% endif -%} {% if client_ip_subnets %} {% for sn in client_ip_subnets %} @@ -77,34 +73,41 @@ secret={{lns_shared_secret}} {% endif %} {% endif %} {% if gateway_address %} -gw-ip-address={{gateway_address}} +gw-ip-address={{ gateway_address }} {% endif %} -{% if authentication['mode'] == 'local' %} +{% if auth_mode == 'local' %} [chap-secrets] -chap-secrets=/etc/accel-ppp/l2tp/chap-secrets -{% if gateway_address %} -gw-ip-address={{gateway_address}} -{% endif %} +chap-secrets={{ chap_secrets_file }} +{% elif auth_mode == 'radius' %} +[radius] +verbose=1 +{% for r in radius_server %} +server={{ r.server }},{{ r.key }},auth-port={{ r.port }},req-limit=0,fail-time={{ r.fail_time }} +{% endfor -%} {% endif %} +acct-timeout={{ radius_acct_tmo }} +timeout={{ radius_timeout }} +max-try={{ radius_max_try }} + +{% if radius_nas_id %} +nas-identifier={{ radius_nas_id }} +{% endif -%} +{% if radius_nas_ip %} +nas-ip-address={{ radius_nas_ip }} +{% endif -%} +{% if radius_source_address %} +bind={{ radius_source_address }} +{% endif -%} + [ppp] verbose=1 check-ip=1 single-session=replace -{% if idle_timeout %} -lcp-echo-timeout={{idle_timeout}} -{% endif %} -{% if ppp_options['lcp-echo-interval'] %} -lcp-echo-interval={{ppp_options['lcp-echo-interval']}} -{% else %} -lcp-echo-interval=30 -{% endif %} -{% if ppp_options['lcp-echo-failure'] %} -lcp-echo-failure={{ppp_options['lcp-echo-failure']}} -{% else %} -lcp-echo-failure=3 -{% endif %} +lcp-echo-timeout={{ ppp_echo_timeout }} +lcp-echo-interval={{ ppp_echo_interval }} +lcp-echo-failure={{ ppp_echo_failure }} {% if ccp_disable %} ccp=0 {% endif %} @@ -112,62 +115,33 @@ ccp=0 ipv6=allow {% endif %} -{% if authentication['mode'] == 'radius' %} -[radius] -{% for rsrv in authentication['radiussrv']: %} -server={{rsrv}},{{authentication['radiussrv'][rsrv]['secret']}},\ -req-limit={{authentication['radiussrv'][rsrv]['req-limit']}},\ -fail-time={{authentication['radiussrv'][rsrv]['fail-time']}} -{% endfor %} -{% if authentication['radiusopt']['timeout'] %} -timeout={{authentication['radiusopt']['timeout']}} -{% endif %} -{% if authentication['radiusopt']['acct-timeout'] %} -acct-timeout={{authentication['radiusopt']['acct-timeout']}} -{% endif %} -{% if authentication['radiusopt']['max-try'] %} -max-try={{authentication['radiusopt']['max-try']}} -{% endif %} -{% if authentication['radiusopt']['nas-id'] %} -nas-identifier={{authentication['radiusopt']['nas-id']}} -{% endif %} -{% if authentication['radius_source_address'] %} -nas-ip-address={{authentication['radius_source_address']}} -{% endif -%} -{% if authentication['radiusopt']['dae-srv'] %} -dae-server={{authentication['radiusopt']['dae-srv']['ip-addr']}}:\ -{{authentication['radiusopt']['dae-srv']['port']}},\ -{{authentication['radiusopt']['dae-srv']['secret']}} -{% endif -%} -gw-ip-address={{gateway_address}} -verbose=1 -{% endif -%} {% if client_ipv6_pool %} [ipv6-pool] -{% for prfx in client_ipv6_pool.prefix: %} -{{prfx}} +{% for p in client_ipv6_pool %} +{{ p.prefix }},{{ p.mask }} {% endfor %} -{% for prfx in client_ipv6_pool.delegate_prefix: %} -delegate={{prfx}} +{% for p in client_ipv6_delegate_prefix %} +delegate={{ p.prefix }},{{ p.mask }} {% endfor %} + {% endif %} -{% if client_ipv6_pool['delegate_prefix'] %} +{% if client_ipv6_delegate_prefix %} [ipv6-dhcp] verbose=1 {% endif %} -{% if authentication['radiusopt']['shaper'] %} +{% if radius_shaper_attr %} [shaper] verbose=1 -attr={{authentication['radiusopt']['shaper']['attr']}} -{% if authentication['radiusopt']['shaper']['vendor'] %} -vendor={{authentication['radiusopt']['shaper']['vendor']}} +attr={{ radius_shaper_attr }} +{% if radius_shaper_vendor %} +vendor={{ radius_shaper_vendor }} {% endif -%} {% endif %} [cli] tcp=127.0.0.1:2004 -sessions-columns=ifname,username,calling-sid,ip,{{ip6_column}}{{ip6_dp_column}}rate-limit,type,comp,state,rx-bytes,tx-bytes,uptime +sessions-columns=ifname,username,calling-sid,ip,{{ ip6_column | join(',') }}{{ ',' if ip6_column }}rate-limit,type,comp,state,rx-bytes,tx-bytes,uptime diff --git a/data/templates/sstp/sstp.config.tmpl b/data/templates/sstp/sstp.config.tmpl index 6c09c52ad..d38bb5062 100644 --- a/data/templates/sstp/sstp.config.tmpl +++ b/data/templates/sstp/sstp.config.tmpl @@ -53,7 +53,7 @@ dns{{ loop.index }}={{ dns }} {% if auth_mode == 'local' %} [chap-secrets] -chap-secrets=/etc/accel-ppp/sstp/chap-secrets +chap-secrets={{ sstp_chap_secrets }} {% elif auth_mode == 'radius' %} [radius] verbose=1 diff --git a/interface-definitions/vpn-l2tp.xml.in b/interface-definitions/vpn-l2tp.xml.in index 7fc844054..d4286a810 100644 --- a/interface-definitions/vpn-l2tp.xml.in +++ b/interface-definitions/vpn-l2tp.xml.in @@ -2,7 +2,7 @@ <interfaceDefinition> <node name="vpn"> <children> - <node name="l2tp" owner="${vyos_conf_scripts_dir}/accel_l2tp.py"> + <node name="l2tp" owner="${vyos_conf_scripts_dir}/vpn_l2tp.py"> <properties> <help>L2TP Virtual Private Network (VPN)</help> </properties> @@ -36,48 +36,22 @@ </constraint> </properties> </leafNode> - <node name="dns-servers"> + <leafNode name="name-server"> <properties> - <help>IPv4 Domain Name Service (DNS) server</help> - </properties> - <children> - <leafNode name="server-1"> - <properties> - <help>Primary DNS server</help> - <valueHelp> - <format>ipv4</format> - <description>IPv4 address</description> - </valueHelp> - <constraint> - <validator name="ipv4-address"/> - </constraint> - </properties> - </leafNode> - <leafNode name="server-2"> - <properties> - <help>Secondary DNS server</help> - <valueHelp> - <format>ipv4</format> - <description>IPv4 address</description> - </valueHelp> - <constraint> - <validator name="ipv4-address"/> - </constraint> - </properties> - </leafNode> - </children> - </node> - <leafNode name="dnsv6-servers"> - <properties> - <help>IPv6 Domain Name Service (DNS) server</help> + <help>Domain Name Server (DNS) propagated to client</help> <valueHelp> - <format>ipv6</format> - <description>IPv6 DNS address</description> + <format>ipv4</format> + <description>Domain Name Server (DNS) IPv4 address</description> + </valueHelp> + <valueHelp> + <format>ipv6</format> + <description>Domain Name Server (DNS) IPv6 address</description> </valueHelp> <constraint> + <validator name="ipv4-address"/> <validator name="ipv6-address"/> </constraint> - <multi /> + <multi/> </properties> </leafNode> <node name="lns"> @@ -208,29 +182,19 @@ </leafNode> </children> </node> - <node name="wins-servers"> + <leafNode name="wins-server"> <properties> - <help>Windows Internet Name Service (WINS) server settings</help> + <help>Windows Internet Name Service (WINS) servers propagated to client</help> + <valueHelp> + <format>ipv4</format> + <description>Domain Name Server (DNS) IPv4 address</description> + </valueHelp> + <constraint> + <validator name="ipv4-address"/> + </constraint> + <multi/> </properties> - <children> - <leafNode name="server-1"> - <properties> - <help>Primary WINS server</help> - <constraint> - <validator name="ipv4-address"/> - </constraint> - </properties> - </leafNode> - <leafNode name="server-2"> - <properties> - <help>Secondary WINS server</help> - <constraint> - <validator name="ipv4-address"/> - </constraint> - </properties> - </leafNode> - </children> - </node> + </leafNode> <node name="client-ip-pool"> <properties> <help>Pool of client IP addresses (must be within a /24)</help> @@ -273,26 +237,58 @@ <help>Pool of client IPv6 addresses</help> </properties> <children> - <leafNode name="prefix"> + <tagNode name="prefix"> <properties> - <help>IPV6 prefix delegation</help> + <help>Pool of addresses used to assign to clients</help> <valueHelp> - <format>ipv6prefix/mask,prefix_len</format> - <description>e.g.: fc00:0:1::/48,64 - divides prefix into /64 subnets for clients</description> + <format>ipv6net</format> + <description>IPv6 address and prefix length</description> </valueHelp> - <multi /> + <constraint> + <validator name="ipv6-prefix"/> + </constraint> </properties> - </leafNode> - <leafNode name="delegate-prefix"> + <children> + <leafNode name="mask"> + <properties> + <help>Prefix length used for individual client</help> + <valueHelp> + <format><48-128></format> + <description>Client prefix length (default: 64)</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 48-128"/> + </constraint> + </properties> + </leafNode> + </children> + </tagNode> + <tagNode name="delegate"> <properties> - <help>DHCPv6 prefix delegation - rfc3633</help> + <help>Subnet used to delegate prefix through DHCPv6-PD (RFC3633)</help> <valueHelp> - <format>ipv6prefix/mask,prefix_len</format> - <description>Delegate to clients through DHCPv6 prefix delegation - rfc3633</description> + <format>ipv6net</format> + <description>IPv6 address and prefix length</description> </valueHelp> - <multi /> + <constraint> + <validator name="ipv6-prefix"/> + </constraint> </properties> - </leafNode> + <children> + <leafNode name="delegation-prefix"> + <properties> + <help>Prefix length delegated to client</help> + <valueHelp> + <format><32-64></format> + <description>Delegated prefix length</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 32-64"/> + </constraint> + </properties> + </leafNode> + </children> + </tagNode> </children> </node> <leafNode name="description"> @@ -445,46 +441,26 @@ </tagNode> </children> </node> + #include <include/radius-server.xml.i> <node name="radius"> - <properties> - <help>RADIUS specific configuration</help> - </properties> <children> <tagNode name="server"> - <properties> - <help>IP address of RADIUS server</help> - <valueHelp> - <format>ipv4</format> - <description>IPv4 address of RADIUS server</description> - </valueHelp> - </properties> <children> - <leafNode name="key"> - <properties> - <help>Key for accessing the specified server</help> - </properties> - </leafNode> - <leafNode name="req-limit"> - <properties> - <help>Maximum number of simultaneous requests to server (default: unlimited)</help> - </properties> - </leafNode> <leafNode name="fail-time"> <properties> - <help>If server doesn not responds mark it unavailable for this time (seconds)</help> + <help>Mark server unavailable for <n> seconds on failure</help> + <valueHelp> + <format>0-600</format> + <description>Fail time penalty</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 0-600"/> + </constraint> + <constraintErrorMessage>Fail time must be between 0 and 600 seconds</constraintErrorMessage> </properties> </leafNode> </children> </tagNode> - <leafNode name="source-address"> - <properties> - <help>Local RADIUS client address from which packets are sent.</help> - <valueHelp> - <format><x.x.x.x></format> - <description>Local RADIUS client address from which packets are sent</description> - </valueHelp> - </properties> - </leafNode> <leafNode name="timeout"> <properties> <help>Timeout to wait response from server (seconds)</help> diff --git a/python/vyos/ifconfig/__init__.py b/python/vyos/ifconfig/__init__.py index 1f9956af0..cd1696ca1 100644 --- a/python/vyos/ifconfig/__init__.py +++ b/python/vyos/ifconfig/__init__.py @@ -14,6 +14,7 @@ # License along with this library. If not, see <http://www.gnu.org/licenses/>. +from vyos.ifconfig.section import Section from vyos.ifconfig.interface import Interface from vyos.ifconfig.bond import BondIf diff --git a/python/vyos/ifconfig/control.py b/python/vyos/ifconfig/control.py index c7a2fa2d6..464cd585e 100644 --- a/python/vyos/ifconfig/control.py +++ b/python/vyos/ifconfig/control.py @@ -18,10 +18,10 @@ import os from vyos.util import debug, debug_msg from vyos.util import popen, cmd -from vyos.ifconfig.register import Register +from vyos.ifconfig.section import Section -class Control(Register): +class Control(Section): _command_get = {} _command_set = {} diff --git a/python/vyos/ifconfig/register.py b/python/vyos/ifconfig/section.py index c90782b70..234c9a6cc 100644 --- a/python/vyos/ifconfig/register.py +++ b/python/vyos/ifconfig/section.py @@ -16,9 +16,10 @@ import netifaces -class Register: +class Section: # the known interface prefixes _prefixes = {} + _classes = [] # class need to define: definition['prefixes'] # the interface prefixes declared by a class used to name interface with @@ -26,9 +27,16 @@ class Register: @classmethod def register(cls, klass): + """ + A function to use as decorator the interfaces classes + It register the prefix for the interface (eth, dum, vxlan, ...) + with the class which can handle it (EthernetIf, DummyIf,VXLANIf, ...) + """ if not klass.definition.get('prefixes',[]): raise RuntimeError(f'valid interface prefixes not defined for {klass.__name__}') + cls._classes.append(klass) + for ifprefix in klass.definition['prefixes']: if ifprefix in cls._prefixes: raise RuntimeError(f'only one class can be registered for prefix "{ifprefix}" type') @@ -38,7 +46,11 @@ class Register: @classmethod def _basename (cls, name, vlan): - # remove number from interface name + """ + remove the number at the end of interface name + name: name of the interface + vlan: if vlan is True, do not stop at the vlan number + """ name = name.rstrip('0123456789') name = name.rstrip('.') if vlan: @@ -47,7 +59,11 @@ class Register: @classmethod def section(cls, name, vlan=True): - # return the name of a section an interface should be under + """ + return the name of a section an interface should be under + name: name of the interface (eth0, dum1, ...) + vlan: should we try try to remove the VLAN from the number + """ name = cls._basename(name, vlan) # XXX: To leave as long as vti and input are not moved to vyos @@ -68,7 +84,10 @@ class Register: raise ValueError(f'No type found for interface name: {name}') @classmethod - def _listing (cls,section=''): + def _intf_under_section (cls,section=''): + """ + return a generator with the name of the interface which are under a section + """ interfaces = netifaces.interfaces() for ifname in interfaces: @@ -87,9 +106,29 @@ class Register: yield ifname @classmethod - def listing(cls, section=''): - return list(cls._listing(section)) - + def interfaces(cls, section=''): + """ + return a list of the name of the interface which are under a section + if no section is provided, then it returns all configured interfaces + """ + return list(cls._intf_under_section(section)) -# XXX: TODO - limit name for VRF interfaces + @classmethod + def _intf_with_feature(cls, feature=''): + """ + return a generator with the name of the interface which have + a particular feature set in their definition such as: + bondable, broadcast, bridgeable, ... + """ + for klass in cls._classes: + if klass.definition[feature]: + yield klass.definition['section'] + @classmethod + def feature(cls, feature=''): + """ + return list with the name of the interface which have + a particular feature set in their definition such as: + bondable, broadcast, bridgeable, ... + """ + return list(cls._intf_with_feature(feature)) diff --git a/src/completion/list_interfaces.py b/src/completion/list_interfaces.py index 98b32797a..e27281433 100755 --- a/src/completion/list_interfaces.py +++ b/src/completion/list_interfaces.py @@ -2,7 +2,14 @@ import sys import argparse -from vyos.ifconfig import Interface +from vyos.ifconfig import Section + + +def matching(feature): + for section in Section.feature(feature): + for intf in Section.interfaces(section): + yield intf + parser = argparse.ArgumentParser() group = parser.add_mutually_exclusive_group() @@ -13,46 +20,23 @@ group.add_argument("-bo", "--bondable", action="store_true", help="List all bond args = parser.parse_args() -# XXX: Need to be rewritten using the data in the class definition -# XXX: It can be done once vti and input are moved into vyos -# XXX: We store for each class what type they are (broadcast, bridgeabe, ...) - if args.type: try: - interfaces = Interface.listing(args.type) - + interfaces = Section.interfaces(args.type) + print(" ".join(interfaces)) except ValueError as e: print(e, file=sys.stderr) print("") elif args.broadcast: - eth = Interface.listing("ethernet") - bridge = Interface.listing("bridge") - bond = Interface.listing("bonding") - interfaces = eth + bridge + bond + print(" ".join(matching("broadcast"))) elif args.bridgeable: - eth = Interface.listing("ethernet") - bond = Interface.listing("bonding") - l2tpv3 = Interface.listing("l2tpv3") - openvpn = Interface.listing("openvpn") - wireless = Interface.listing("wireless") - tunnel = Interface.listing("tunnel") - vxlan = Interface.listing("vxlan") - geneve = Interface.listing("geneve") - - interfaces = eth + bond + l2tpv3 + openvpn + vxlan + tunnel + wireless + geneve + print(" ".join(matching("bridgeable"))) elif args.bondable: - interfaces = [] - eth = Interface.listing("ethernet") - # we need to filter out VLAN interfaces identified by a dot (.) in their name - for intf in eth: - if not '.' in intf: - interfaces.append(intf) + print(" ".join([intf for intf in matching("bondable") if '.' not in intf])) else: - interfaces = Interface.listing() - -print(" ".join(interfaces)) + print(" ".join(Section.interfaces())) diff --git a/src/completion/list_openvpn_clients.py b/src/completion/list_openvpn_clients.py index 17b0c7008..177ac90c9 100755 --- a/src/completion/list_openvpn_clients.py +++ b/src/completion/list_openvpn_clients.py @@ -18,7 +18,7 @@ import os import sys import argparse -from vyos.ifconfig import Interface +from vyos.ifconfig import Section def get_client_from_interface(interface): clients = [] @@ -50,7 +50,7 @@ if __name__ == "__main__": if args.interface: clients = get_client_from_interface(args.interface) elif args.all: - for interface in Interface.listing("openvpn"): + for interface in Section.interfaces("openvpn"): clients += get_client_from_interface(interface) print(" ".join(clients)) diff --git a/src/conf_mode/accel_l2tp.py b/src/conf_mode/accel_l2tp.py deleted file mode 100755 index 4ca5a858a..000000000 --- a/src/conf_mode/accel_l2tp.py +++ /dev/null @@ -1,397 +0,0 @@ -#!/usr/bin/env python3 -# -# Copyright (C) 2019-2020 VyOS maintainers and contributors -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 or later as -# published by the Free Software Foundation. -# -# 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. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import sys -import os -import re -import jinja2 -import socket -import time - -from jinja2 import FileSystemLoader, Environment - -from vyos.config import Config -from vyos.defaults import directories as vyos_data_dir -from vyos import ConfigError -from vyos.util import run - - -pidfile = r'/var/run/accel_l2tp.pid' -l2tp_cnf_dir = r'/etc/accel-ppp/l2tp' -chap_secrets = l2tp_cnf_dir + '/chap-secrets' -l2tp_conf = l2tp_cnf_dir + '/l2tp.config' -# accel-pppd -d -c /etc/accel-ppp/l2tp/l2tp.config -p /var/run/accel_l2tp.pid - -# config path creation -if not os.path.exists(l2tp_cnf_dir): - os.makedirs(l2tp_cnf_dir) - -### -# inline helper functions -### -# depending on hw and threads, daemon needs a little to start -# if it takes longer than 100 * 0.5 secs, exception is being raised -# not sure if that's the best way to check it, but it worked so far quite well -### - - -def chk_con(): - cnt = 0 - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - while True: - try: - s.connect(("127.0.0.1", 2004)) - break - except ConnectionRefusedError: - time.sleep(0.5) - cnt += 1 - if cnt == 100: - raise("failed to start l2tp server") - break - - -def _accel_cmd(command): - return run(f'/usr/bin/accel-cmd -p 2004 {command}') - -### -# inline helper functions end -### - - -def get_config(): - c = Config() - if not c.exists('vpn l2tp remote-access '): - return None - - c.set_level('vpn l2tp remote-access') - config_data = { - 'authentication': { - 'mode': 'local', - 'local-users': { - }, - 'radiussrv': {}, - 'radiusopt': {}, - 'auth_proto': [], - 'mppe': 'prefer' - }, - 'outside_addr': '', - 'gateway_address': '10.255.255.0', - 'dns': [], - 'dnsv6': [], - 'wins': [], - 'client_ip_pool': None, - 'client_ip_subnets': [], - 'client_ipv6_pool': {}, - 'mtu': '1436', - 'ip6_column': '', - 'ip6_dp_column': '', - 'ppp_options': {}, - } - - ### general options ### - - if c.exists('dns-servers server-1'): - config_data['dns'].append(c.return_value('dns-servers server-1')) - if c.exists('dns-servers server-2'): - config_data['dns'].append(c.return_value('dns-servers server-2')) - if c.exists('dnsv6-servers'): - for dns6_server in c.return_values('dnsv6-servers'): - config_data['dnsv6'].append(dns6_server) - if c.exists('wins-servers server-1'): - config_data['wins'].append(c.return_value('wins-servers server-1')) - if c.exists('wins-servers server-2'): - config_data['wins'].append(c.return_value('wins-servers server-2')) - if c.exists('outside-address'): - config_data['outside_addr'] = c.return_value('outside-address') - - # auth local - if c.exists('authentication mode local'): - if c.exists('authentication local-users username'): - for usr in c.list_nodes('authentication local-users username'): - config_data['authentication']['local-users'].update( - { - usr: { - 'passwd': '', - 'state': 'enabled', - 'ip': '*', - 'upload': None, - 'download': None - } - } - ) - - if c.exists('authentication local-users username ' + usr + ' password'): - config_data['authentication']['local-users'][usr]['passwd'] = c.return_value( - 'authentication local-users username ' + usr + ' password') - if c.exists('authentication local-users username ' + usr + ' disable'): - config_data['authentication']['local-users'][usr]['state'] = 'disable' - if c.exists('authentication local-users username ' + usr + ' static-ip'): - config_data['authentication']['local-users'][usr]['ip'] = c.return_value( - 'authentication local-users username ' + usr + ' static-ip') - if c.exists('authentication local-users username ' + usr + ' rate-limit download'): - config_data['authentication']['local-users'][usr]['download'] = c.return_value( - 'authentication local-users username ' + usr + ' rate-limit download') - if c.exists('authentication local-users username ' + usr + ' rate-limit upload'): - config_data['authentication']['local-users'][usr]['upload'] = c.return_value( - 'authentication local-users username ' + usr + ' rate-limit upload') - - # authentication mode radius servers and settings - - if c.exists('authentication mode radius'): - config_data['authentication']['mode'] = 'radius' - rsrvs = c.list_nodes('authentication radius server') - for rsrv in rsrvs: - if c.return_value('authentication radius server ' + rsrv + ' fail-time') == None: - ftime = '0' - else: - ftime = str(c.return_value( - 'authentication radius server ' + rsrv + ' fail-time')) - if c.return_value('authentication radius-server ' + rsrv + ' req-limit') == None: - reql = '0' - else: - reql = str(c.return_value( - 'authentication radius server ' + rsrv + ' req-limit')) - - config_data['authentication']['radiussrv'].update( - { - rsrv: { - 'secret': c.return_value('authentication radius server ' + rsrv + ' key'), - 'fail-time': ftime, - 'req-limit': reql - } - } - ) - # Source ip address feature - if c.exists('authentication radius source-address'): - config_data['authentication']['radius_source_address'] = c.return_value( - 'authentication radius source-address') - - # advanced radius-setting - if c.exists('authentication radius acct-timeout'): - config_data['authentication']['radiusopt']['acct-timeout'] = c.return_value( - 'authentication radius acct-timeout') - if c.exists('authentication radius max-try'): - config_data['authentication']['radiusopt']['max-try'] = c.return_value( - 'authentication radius max-try') - if c.exists('authentication radius timeout'): - config_data['authentication']['radiusopt']['timeout'] = c.return_value( - 'authentication radius timeout') - if c.exists('authentication radius nas-identifier'): - config_data['authentication']['radiusopt']['nas-id'] = c.return_value( - 'authentication radius nas-identifier') - if c.exists('authentication radius dae-server'): - # Set default dae-server port if not defined - if c.exists('authentication radius dae-server port'): - dae_server_port = c.return_value( - 'authentication radius dae-server port') - else: - dae_server_port = "3799" - config_data['authentication']['radiusopt'].update( - { - 'dae-srv': { - 'ip-addr': c.return_value('authentication radius dae-server ip-address'), - 'port': dae_server_port, - 'secret': str(c.return_value('authentication radius dae-server secret')) - } - } - ) - # filter-id is the internal accel default if attribute is empty - # set here as default for visibility which may change in the future - if c.exists('authentication radius rate-limit enable'): - if not c.exists('authentication radius rate-limit attribute'): - config_data['authentication']['radiusopt']['shaper'] = { - 'attr': 'Filter-Id' - } - else: - config_data['authentication']['radiusopt']['shaper'] = { - 'attr': c.return_value('authentication radius rate-limit attribute') - } - if c.exists('authentication radius rate-limit vendor'): - config_data['authentication']['radiusopt']['shaper']['vendor'] = c.return_value( - 'authentication radius rate-limit vendor') - - if c.exists('client-ip-pool'): - if c.exists('client-ip-pool start') and c.exists('client-ip-pool stop'): - config_data['client_ip_pool'] = c.return_value( - 'client-ip-pool start') + '-' + re.search('[0-9]+$', c.return_value('client-ip-pool stop')).group(0) - - if c.exists('client-ip-pool subnet'): - config_data['client_ip_subnets'] = c.return_values( - 'client-ip-pool subnet') - - if c.exists('client-ipv6-pool prefix'): - config_data['client_ipv6_pool']['prefix'] = c.return_values( - 'client-ipv6-pool prefix') - config_data['ip6_column'] = 'ip6,' - if c.exists('client-ipv6-pool delegate-prefix'): - config_data['client_ipv6_pool']['delegate_prefix'] = c.return_values( - 'client-ipv6-pool delegate-prefix') - config_data['ip6_dp_column'] = 'ip6-dp,' - - if c.exists('mtu'): - config_data['mtu'] = c.return_value('mtu') - - # gateway address - if c.exists('gateway-address'): - config_data['gateway_address'] = c.return_value('gateway-address') - else: - # calculate gw-ip-address - if c.exists('client-ip-pool start'): - # use start ip as gw-ip-address - config_data['gateway_address'] = c.return_value( - 'client-ip-pool start') - elif c.exists('client-ip-pool subnet'): - # use first ip address from first defined pool - lst_ip = re.findall("\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}", c.return_values( - 'client-ip-pool subnet')[0]) - config_data['gateway_address'] = lst_ip[0] - - if c.exists('authentication require'): - auth_mods = {'pap': 'pap', 'chap': 'auth_chap_md5', - 'mschap': 'auth_mschap_v1', 'mschap-v2': 'auth_mschap_v2'} - for proto in c.return_values('authentication require'): - config_data['authentication']['auth_proto'].append( - auth_mods[proto]) - else: - config_data['authentication']['auth_proto'] = ['auth_mschap_v2'] - - if c.exists('authentication mppe'): - config_data['authentication']['mppe'] = c.return_value( - 'authentication mppe') - - if c.exists('idle'): - config_data['idle_timeout'] = c.return_value('idle') - - # LNS secret - if c.exists('lns shared-secret'): - config_data['lns_shared_secret'] = c.return_value('lns shared-secret') - - if c.exists('ccp-disable'): - config_data['ccp_disable'] = True - - # ppp_options - ppp_options = {} - if c.exists('ppp-options'): - if c.exists('ppp-options lcp-echo-failure'): - ppp_options['lcp-echo-failure'] = c.return_value( - 'ppp-options lcp-echo-failure') - if c.exists('ppp-options lcp-echo-interval'): - ppp_options['lcp-echo-interval'] = c.return_value( - 'ppp-options lcp-echo-interval') - - if len(ppp_options) != 0: - config_data['ppp_options'] = ppp_options - - return config_data - - -def verify(c): - if c == None: - return None - - if c['authentication']['mode'] == 'local': - if not c['authentication']['local-users']: - raise ConfigError( - 'l2tp-server authentication local-users required') - for usr in c['authentication']['local-users']: - if not c['authentication']['local-users'][usr]['passwd']: - raise ConfigError('user ' + usr + ' requires a password') - - if c['authentication']['mode'] == 'radius': - if len(c['authentication']['radiussrv']) == 0: - raise ConfigError('radius server required') - for rsrv in c['authentication']['radiussrv']: - if c['authentication']['radiussrv'][rsrv]['secret'] == None: - raise ConfigError('radius server ' + rsrv + - ' needs a secret configured') - - # check for the existence of a client ip pool - if not c['client_ip_pool'] and not c['client_ip_subnets']: - raise ConfigError( - "set vpn l2tp remote-access client-ip-pool requires subnet or start/stop IP pool") - - # check ipv6 - if 'delegate_prefix' in c['client_ipv6_pool'] and not 'prefix' in c['client_ipv6_pool']: - raise ConfigError( - "\"set vpn l2tp remote-access client-ipv6-pool prefix\" required for delegate-prefix ") - - if len(c['dnsv6']) > 3: - raise ConfigError("Maximum allowed dnsv6-servers addresses is 3") - - -def generate(c): - if c == None: - return None - - # Prepare Jinja2 template loader from files - tmpl_path = os.path.join(vyos_data_dir['data'], 'templates', 'l2tp') - fs_loader = FileSystemLoader(tmpl_path) - env = Environment(loader=fs_loader, trim_blocks=True) - - # accel-cmd reload doesn't work so any change results in a restart of the daemon - try: - if os.cpu_count() == 1: - c['thread_cnt'] = 1 - else: - c['thread_cnt'] = int(os.cpu_count()/2) - except KeyError: - if os.cpu_count() == 1: - c['thread_cnt'] = 1 - else: - c['thread_cnt'] = int(os.cpu_count()/2) - - tmpl = env.get_template('l2tp.config.tmpl') - config_text = tmpl.render(c) - open(l2tp_conf, 'w').write(config_text) - - if c['authentication']['local-users']: - tmpl = env.get_template('chap-secrets.tmpl') - chap_secrets_txt = tmpl.render(c) - old_umask = os.umask(0o077) - open(chap_secrets, 'w').write(chap_secrets_txt) - os.umask(old_umask) - - return c - - -def apply(c): - if c == None: - if os.path.exists(pidfile): - _accel_cmd('shutdown hard') - if os.path.exists(pidfile): - os.remove(pidfile) - return None - - if not os.path.exists(pidfile): - ret = run(f'/usr/sbin/accel-pppd -c {l2tp_conf} -p {pidfile} -d') - chk_con() - if ret != 0 and os.path.exists(pidfile): - os.remove(pidfile) - raise ConfigError('accel-pppd failed to start') - else: - # if gw ip changes, only restart doesn't work - _accel_cmd('restart') - - -if __name__ == '__main__': - try: - c = get_config() - verify(c) - generate(c) - apply(c) - except ConfigError as e: - print(e) - sys.exit(1) diff --git a/src/conf_mode/flow_accounting_conf.py b/src/conf_mode/flow_accounting_conf.py index 1008f3fae..eef32687e 100755 --- a/src/conf_mode/flow_accounting_conf.py +++ b/src/conf_mode/flow_accounting_conf.py @@ -22,6 +22,7 @@ from ipaddress import ip_address from jinja2 import FileSystemLoader, Environment from sys import exit +from vyos.ifconfig import Section from vyos.ifconfig import Interface from vyos.config import Config from vyos.defaults import directories as vyos_data_dir @@ -60,7 +61,7 @@ def _sflow_default_agentip(config): return config.return_value('protocols ospfv3 parameters router-id') # if router-id was not found, use first available ip of any interface - for iface in Interface.listing(): + for iface in Section.interfaces(): for address in Interface(iface).get_addr(): # return an IP, if this is not loopback regex_filter = re.compile('^(?!(127)|(::1)|(fe80))(?P<ipaddr>[a-f\d\.:]+)/\d+$') @@ -234,7 +235,7 @@ def verify(config): # check that all configured interfaces exists in the system for iface in config['interfaces']: - if not iface in Interface.listing(): + if not iface in Section.interfaces(): # chnged from error to warning to allow adding dynamic interfaces and interface templates # raise ConfigError("The {} interface is not presented in the system".format(iface)) print("Warning: the {} interface is not presented in the system".format(iface)) @@ -262,7 +263,7 @@ def verify(config): # check if configured sFlow agent-id exist in the system agent_id_presented = None - for iface in Interface.listing(): + for iface in Section.interfaces(): for address in Interface(iface).get_addr(): # check an IP, if this is not loopback regex_filter = re.compile('^(?!(127)|(::1)|(fe80))(?P<ipaddr>[a-f\d\.:]+)/\d+$') diff --git a/src/conf_mode/vpn_l2tp.py b/src/conf_mode/vpn_l2tp.py new file mode 100755 index 000000000..7ecd8b2a4 --- /dev/null +++ b/src/conf_mode/vpn_l2tp.py @@ -0,0 +1,398 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2019-2020 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# 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. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import os +import re + +from copy import deepcopy +from stat import S_IRUSR, S_IWUSR, S_IRGRP +from sys import exit +from time import sleep + +from ipaddress import ip_network +from jinja2 import FileSystemLoader, Environment + +from vyos.config import Config +from vyos.defaults import directories as vyos_data_dir +from vyos.util import call +from vyos.validate import is_ipv4 +from vyos import ConfigError + +l2tp_conf = '/etc/accel-ppp/l2tp.conf' +l2tp_chap_secrets = '/etc/accel-ppp/l2tp.chap-secrets' + +default_config_data = { + 'auth_mode': 'local', + 'auth_ppp_mppe': 'prefer', + 'auth_proto': ['auth_mschap_v2'], + 'chap_secrets_file': l2tp_chap_secrets, # used in Jinja2 template + 'client_ip_pool': None, + 'client_ip_subnets': [], + 'client_ipv6_pool': [], + 'client_ipv6_delegate_prefix': [], + 'dnsv4': [], + 'dnsv6': [], + 'gateway_address': '10.255.255.0', + 'local_users' : [], + 'mtu': '1436', + 'outside_addr': '', + 'ppp_mppe': 'prefer', + 'ppp_echo_failure' : '3', + 'ppp_echo_interval' : '30', + 'ppp_echo_timeout': '0', + 'radius_server': [], + 'radius_acct_tmo': '3', + 'radius_max_try': '3', + 'radius_timeout': '3', + 'radius_nas_id': '', + 'radius_nas_ip': '', + 'radius_source_address': '', + 'radius_shaper_attr': '', + 'radius_shaper_vendor': '', + 'radius_dynamic_author': '', + 'wins': [], + 'ip6_column': [], + 'thread_cnt': 1 +} + +def get_config(): + conf = Config() + base_path = ['vpn', 'l2tp', 'remote-access'] + if not conf.exists(base_path): + return None + + conf.set_level(base_path) + l2tp = deepcopy(default_config_data) + + cpu = os.cpu_count() + if cpu > 1: + l2tp['thread_cnt'] = int(cpu/2) + + ### general options ### + if conf.exists(['name-server']): + for name_server in conf.return_values(['name-server']): + if is_ipv4(name_server): + l2tp['dnsv4'].append(name_server) + else: + l2tp['dnsv6'].append(name_server) + + if conf.exists(['wins-server']): + l2tp['wins'] = conf.return_values(['wins-server']) + + if conf.exists('outside-address'): + l2tp['outside_addr'] = conf.return_value('outside-address') + + if conf.exists(['authentication', 'mode']): + l2tp['auth_mode'] = conf.return_value(['authentication', 'mode']) + + if conf.exists(['authentication', 'protocols']): + auth_mods = { + 'pap': 'auth_pap', + 'chap': 'auth_chap_md5', + 'mschap': 'auth_mschap_v1', + 'mschap-v2': 'auth_mschap_v2' + } + + for proto in conf.return_values(['authentication', 'protocols']): + l2tp['auth_proto'].append(auth_mods[proto]) + + if conf.exists(['authentication', 'mppe']): + l2tp['auth_ppp_mppe'] = conf.return_value(['authentication', 'mppe']) + + # + # local auth + if conf.exists(['authentication', 'local-users']): + for username in conf.list_nodes(['authentication', 'local-users', 'username']): + user = { + 'name' : username, + 'password' : '', + 'state' : 'enabled', + 'ip' : '*', + 'upload' : None, + 'download' : None + } + + conf.set_level(base_path + ['authentication', 'local-users', 'username', username]) + + if conf.exists(['password']): + user['password'] = conf.return_value(['password']) + + if conf.exists(['disable']): + user['state'] = 'disable' + + if conf.exists(['static-ip']): + user['ip'] = conf.return_value(['static-ip']) + + if conf.exists(['rate-limit', 'download']): + user['download'] = conf.return_value(['rate-limit', 'download']) + + if conf.exists(['rate-limit', 'upload']): + user['upload'] = conf.return_value(['rate-limit', 'upload']) + + l2tp['local_users'].append(user) + + # + # RADIUS auth and settings + conf.set_level(base_path + ['authentication', 'radius']) + if conf.exists(['server']): + for server in conf.list_nodes(['server']): + radius = { + 'server' : server, + 'key' : '', + 'fail_time' : 0, + 'port' : '1812' + } + + conf.set_level(base_path + ['authentication', 'radius', 'server', server]) + + if conf.exists(['fail-time']): + radius['fail-time'] = conf.return_value(['fail-time']) + + if conf.exists(['port']): + radius['port'] = conf.return_value(['port']) + + if conf.exists(['key']): + radius['key'] = conf.return_value(['key']) + + if not conf.exists(['disable']): + l2tp['radius_server'].append(radius) + + # + # advanced radius-setting + conf.set_level(base_path + ['authentication', 'radius']) + + if conf.exists(['acct-timeout']): + l2tp['radius_acct_tmo'] = conf.return_value(['acct-timeout']) + + if conf.exists(['max-try']): + l2tp['radius_max_try'] = conf.return_value(['max-try']) + + if conf.exists(['timeout']): + l2tp['radius_timeout'] = conf.return_value(['timeout']) + + if conf.exists(['nas-identifier']): + l2tp['radius_nas_id'] = conf.return_value(['nas-identifier']) + + if conf.exists(['nas-ip-address']): + l2tp['radius_nas_ip'] = conf.return_value(['nas-ip-address']) + + if conf.exists(['source-address']): + l2tp['radius_source_address'] = conf.return_value(['source-address']) + + # Dynamic Authorization Extensions (DOA)/Change Of Authentication (COA) + if conf.exists(['dynamic-author']): + dae = { + 'port' : '', + 'server' : '', + 'key' : '' + } + + if conf.exists(['dynamic-author', 'server']): + dae['server'] = conf.return_value(['dynamic-author', 'server']) + + if conf.exists(['dynamic-author', 'port']): + dae['port'] = conf.return_value(['dynamic-author', 'port']) + + if conf.exists(['dynamic-author', 'key']): + dae['key'] = conf.return_value(['dynamic-author', 'key']) + + l2tp['radius_dynamic_author'] = dae + + if conf.exists(['rate-limit', 'enable']): + l2tp['radius_shaper_attr'] = 'Filter-Id' + c_attr = ['rate-limit', 'enable', 'attribute'] + if conf.exists(c_attr): + l2tp['radius_shaper_attr'] = conf.return_value(c_attr) + + c_vendor = ['rate-limit', 'enable', 'vendor'] + if conf.exists(c_vendor): + l2tp['radius_shaper_vendor'] = conf.return_value(c_vendor) + + conf.set_level(base_path) + if conf.exists(['client-ip-pool']): + if conf.exists(['client-ip-pool', 'start']) and conf.exists(['client-ip-pool', 'stop']): + start = conf.return_value(['client-ip-pool', 'start']) + stop = conf.return_value(['client-ip-pool', 'stop']) + l2tp['client_ip_pool'] = start + '-' + re.search('[0-9]+$', stop).group(0) + + if conf.exists(['client-ip-pool', 'subnet']): + l2tp['client_ip_subnets'] = conf.return_values(['client-ip-pool', 'subnet']) + + if conf.exists(['client-ipv6-pool', 'prefix']): + l2tp['ip6_column'].append('ip6') + for prefix in conf.list_nodes(['client-ipv6-pool', 'prefix']): + tmp = { + 'prefix': prefix, + 'mask': '64' + } + + if conf.exists(['client-ipv6-pool', 'prefix', prefix, 'mask']): + tmp['mask'] = conf.return_value(['client-ipv6-pool', 'prefix', prefix, 'mask']) + + l2tp['client_ipv6_pool'].append(tmp) + + if conf.exists(['client-ipv6-pool', 'delegate']): + l2tp['ip6_column'].append('ip6-db') + for prefix in conf.list_nodes(['client-ipv6-pool', 'delegate']): + tmp = { + 'prefix': prefix, + 'mask': '' + } + + if conf.exists(['client-ipv6-pool', 'delegate', prefix, 'mask']): + tmp['mask'] = conf.return_value(['client-ipv6-pool', 'delegate', prefix, 'delegation-prefix']) + + l2tp['client_ipv6_delegate_prefix'].append(tmp) + + if conf.exists(['mtu']): + l2tp['mtu'] = conf.return_value(['mtu']) + + # gateway address + if conf.exists(['gateway-address']): + l2tp['gateway_address'] = conf.return_value(['gateway-address']) + else: + # calculate gw-ip-address + if conf.exists(['client-ip-pool', 'start']): + # use start ip as gw-ip-address + l2tp['gateway_address'] = conf.return_value(['client-ip-pool', 'start']) + + elif conf.exists(['client-ip-pool', 'subnet']): + # use first ip address from first defined pool + subnet = conf.return_values(['client-ip-pool', 'subnet'])[0] + subnet = ip_network(subnet) + l2tp['gateway_address'] = str(list(subnet.hosts())[0]) + + # LNS secret + if conf.exists(['lns', 'shared-secret']): + l2tp['lns_shared_secret'] = conf.return_value(['lns', 'shared-secret']) + + if conf.exists(['ccp-disable']): + l2tp[['ccp_disable']] = True + + # PPP options + if conf.exists(['idle']): + l2tp['ppp_echo_timeout'] = conf.return_value(['idle']) + + if conf.exists(['ppp-options', 'lcp-echo-failure']): + l2tp['ppp_echo_failure'] = conf.return_value(['ppp-options', 'lcp-echo-failure']) + + if conf.exists(['ppp-options', 'lcp-echo-interval']): + l2tp['ppp_echo_interval'] = conf.return_value(['ppp-options', 'lcp-echo-interval']) + + return l2tp + + +def verify(l2tp): + if not l2tp: + return None + + if l2tp['auth_mode'] == 'local': + if not l2tp['local_users']: + raise ConfigError('L2TP local auth mode requires local users to be configured!') + + for user in l2tp['local_users']: + if not user['password']: + raise ConfigError(f"Password required for user {user['name']}") + + elif l2tp['auth_mode'] == 'radius': + if len(l2tp['radius_server']) == 0: + raise ConfigError("RADIUS authentication requires at least one server") + + for radius in l2tp['radius_server']: + if not radius['key']: + raise ConfigError(f"Missing RADIUS secret for server {{ radius['key'] }}") + + # check for the existence of a client ip pool + if not (l2tp['client_ip_pool'] or l2tp['client_ip_subnets']): + raise ConfigError( + "set vpn l2tp remote-access client-ip-pool requires subnet or start/stop IP pool") + + # check ipv6 + if l2tp['client_ipv6_delegate_prefix'] and not l2tp['client_ipv6_pool']: + raise ConfigError('IPv6 prefix delegation requires client-ipv6-pool prefix') + + for prefix in l2tp['client_ipv6_delegate_prefix']: + if not prefix['mask']: + raise ConfigError('Delegation-prefix required for individual delegated networks') + + if len(l2tp['wins']) > 2: + raise ConfigError('Not more then two IPv4 WINS name-servers can be configured') + + if len(l2tp['dnsv4']) > 2: + raise ConfigError('Not more then two IPv4 DNS name-servers can be configured') + + if len(l2tp['dnsv6']) > 3: + raise ConfigError('Not more then three IPv6 DNS name-servers can be configured') + + return None + + +def generate(l2tp): + if not l2tp: + return None + + # Prepare Jinja2 template loader from files + tmpl_path = os.path.join(vyos_data_dir['data'], 'templates', 'l2tp') + fs_loader = FileSystemLoader(tmpl_path) + env = Environment(loader=fs_loader, trim_blocks=True) + + dirname = os.path.dirname(l2tp_conf) + if not os.path.exists(dirname): + os.mkdir(dirname) + + tmpl = env.get_template('l2tp.config.tmpl') + config_text = tmpl.render(c) + with open(l2tp_conf, 'w') as f: + f.write(config_text) + + if l2tp['auth_mode'] == 'local': + tmpl = env.get_template('chap-secrets.tmpl') + config_text = tmpl.render(l2tp) + with open(l2tp_chap_secrets, 'w') as f: + f.write(config_text) + + os.chmod(l2tp_chap_secrets, S_IRUSR | S_IWUSR | S_IRGRP) + + else: + if os.path.exists(l2tp_chap_secrets): + os.unlink(l2tp_chap_secrets) + + return None + + +def apply(l2tp): + if not l2tp: + call('systemctl stop accel-ppp-l2tp.service') + + if os.path.exists(l2tp_conf): + os.unlink(l2tp_conf) + + if os.path.exists(l2tp_chap_secrets): + os.unlink(l2tp_chap_secrets) + + return None + + call('systemctl restart accel-ppp-l2tp.service') + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + exit(1) diff --git a/src/conf_mode/vpn_sstp.py b/src/conf_mode/vpn_sstp.py index ca0844c50..b2eb5bdcb 100755 --- a/src/conf_mode/vpn_sstp.py +++ b/src/conf_mode/vpn_sstp.py @@ -18,7 +18,6 @@ import os from time import sleep from sys import exit -from socket import socket, AF_INET, SOCK_STREAM from copy import deepcopy from stat import S_IRUSR, S_IWUSR, S_IRGRP from jinja2 import FileSystemLoader, Environment @@ -26,41 +25,17 @@ from jinja2 import FileSystemLoader, Environment from vyos.config import Config from vyos import ConfigError from vyos.defaults import directories as vyos_data_dir -from vyos.util import process_running -from vyos.util import process_running, cmd, run - -pidfile = r'/var/run/accel_sstp.pid' -sstp_cnf_dir = r'/etc/accel-ppp/sstp' -chap_secrets = sstp_cnf_dir + '/chap-secrets' -sstp_conf = sstp_cnf_dir + '/sstp.config' - -# config path creation -if not os.path.exists(sstp_cnf_dir): - os.makedirs(sstp_cnf_dir) - -def chk_con(): - cnt = 0 - s = socket(AF_INET, SOCK_STREAM) - while True: - try: - s.connect(("127.0.0.1", 2005)) - s.close() - break - except ConnectionRefusedError: - sleep(0.5) - cnt += 1 - if cnt == 100: - raise("failed to start sstp server") - break - - -def _accel_cmd(command): - return run(f'/usr/bin/accel-cmd -p 2005 {command}') +from vyos.util import call, run + +sstp_conf = '/etc/accel-ppp/sstp.conf' +sstp_chap_secrets = '/etc/accel-ppp/sstp.chap-secrets' default_config_data = { 'local_users' : [], 'auth_mode' : 'local', - 'auth_proto' : [], + 'auth_proto' : ['auth_mschap_v2'], + 'chap_secrets_file': sstp_chap_secrets, # used in Jinja2 template + 'client_gateway': '', 'radius_server' : [], 'radius_acct_tmo' : '3', 'radius_max_try' : '3', @@ -77,11 +52,11 @@ default_config_data = { 'client_ip_pool' : [], 'dnsv4' : [], 'mtu' : '', - 'ppp_mppe' : '', + 'ppp_mppe' : 'prefer', 'ppp_echo_failure' : '', 'ppp_echo_interval' : '', 'ppp_echo_timeout' : '', - 'thread_cnt' : '' + 'thread_cnt' : 1 } def get_config(): @@ -93,10 +68,9 @@ def get_config(): conf.set_level(base_path) - cpu = int(os.cpu_count()/2) - if cpu < 1: - cpu = 1 - sstp['thread_cnt'] = cpu + cpu = os.cpu_count() + if cpu > 1: + sstp['thread_cnt'] = int(cpu/2) if conf.exists(['authentication', 'mode']): sstp['auth_mode'] = conf.return_value(['authentication', 'mode']) @@ -224,9 +198,6 @@ def get_config(): for proto in conf.return_values(['protocols']): sstp['auth_proto'].append(auth_mods[proto]) - else: - sstp['auth_proto'] = ['auth_mschap_v2'] - # # read in SSL certs conf.set_level(base_path + ['ssl']) @@ -262,7 +233,7 @@ def get_config(): # read in PPP stuff conf.set_level(base_path + ['ppp-settings']) if conf.exists('mppe'): - sstp['ppp_mppe'] = conf.return_value('ppp-settings mppe') + sstp['ppp_mppe'] = conf.return_value(['ppp-settings', 'mppe']) if conf.exists(['lcp-echo-failure']): sstp['ppp_echo_failure'] = conf.return_value(['lcp-echo-failure']) @@ -283,7 +254,7 @@ def verify(sstp): # vertify auth settings if sstp['auth_mode'] == 'local': if not sstp['local_users']: - raise ConfigError('sstp-server authentication local-users required') + raise ConfigError('SSTP local auth mode requires local users to be configured!') for user in sstp['local_users']: if not user['password']: @@ -303,7 +274,7 @@ def verify(sstp): raise ConfigError("Client gateway IP address required") if len(sstp['dnsv4']) > 2: - raise ConfigError("Only 2 DNS name-servers can be configured") + raise ConfigError('Not more then two IPv4 DNS name-servers can be configured') if not sstp['ssl_ca'] or not sstp['ssl_cert'] or not sstp['ssl_key']: raise ConfigError('One or more SSL certificates missing') @@ -334,6 +305,10 @@ def generate(sstp): fs_loader = FileSystemLoader(tmpl_path) env = Environment(loader=fs_loader, trim_blocks=True) + dirname = os.path.dirname(sstp_conf) + if not os.path.exists(dirname): + os.mkdir(dirname) + # accel-cmd reload doesn't work so any change results in a restart of the daemon tmpl = env.get_template('sstp.config.tmpl') config_text = tmpl.render(sstp) @@ -343,52 +318,29 @@ def generate(sstp): if sstp['local_users']: tmpl = env.get_template('chap-secrets.tmpl') config_text = tmpl.render(sstp) - with open(chap_secrets, 'w') as f: - f.write(config_text) + with open(sstp_chap_secrets, 'w') as f: + f.write(sstp_chap_secrets) - os.chmod(chap_secrets, S_IRUSR | S_IWUSR | S_IRGRP) + os.chmod(sstp_chap_secrets, S_IRUSR | S_IWUSR | S_IRGRP) else: - if os.path.exists(chap_secrets): - os.unlink(chap_secrets) + if os.path.exists(sstp_chap_secrets): + os.unlink(sstp_chap_secrets) return sstp def apply(sstp): - if sstp is None: - if process_running(pidfile): - command = 'start-stop-daemon' - command += ' --stop ' - command += ' --quiet' - command += ' --oknodo' - command += ' --pidfile ' + pidfile - cmd(command) + if not sstp: + call('systemctl stop accel-ppp-sstp.service') - if os.path.exists(pidfile): - os.remove(pidfile) + if os.path.exists(sstp_conf): + os.unlink(sstp_conf) - return None + if os.path.exists(sstp_chap_secrets): + os.unlink(sstp_chap_secrets) - if not process_running(pidfile): - if os.path.exists(pidfile): - os.remove(pidfile) - - command = 'start-stop-daemon' - command += ' --start ' - command += ' --quiet' - command += ' --oknodo' - command += ' --pidfile ' + pidfile - command += ' --exec /usr/sbin/accel-pppd' - # now pass arguments to accel-pppd binary - command += ' --' - command += ' -c ' + sstp_conf - command += ' -p ' + pidfile - command += ' -d' - cmd(command) - - chk_con() + return None - else: - _accel_cmd('restart') + call('systemctl restart accel-ppp-sstp.service') if __name__ == '__main__': diff --git a/src/etc/systemd/system/accel-ppp-l2tp.service b/src/etc/systemd/system/accel-ppp-l2tp.service new file mode 100644 index 000000000..27f0cc8c0 --- /dev/null +++ b/src/etc/systemd/system/accel-ppp-l2tp.service @@ -0,0 +1,14 @@ +[Unit] +Description=Accel-PPP/L2TP +After=vyos-router.service + +[Service] +ExecStart=/usr/sbin/accel-pppd -d -p /run/accel-pppd-l2tp.pid -c /etc/accel-ppp/l2tp.conf +ExecReload=/bin/kill -SIGUSR1 $MAINPID +PIDFile=/run/accel-pppd-l2tp.pid +Type=forking +Restart=always + +[Install] +WantedBy=multi-user.target +Alias=accel-ppp-l2tp.service diff --git a/src/etc/systemd/system/accel-ppp-sstp.service b/src/etc/systemd/system/accel-ppp-sstp.service new file mode 100644 index 000000000..03bd7f99c --- /dev/null +++ b/src/etc/systemd/system/accel-ppp-sstp.service @@ -0,0 +1,14 @@ +[Unit] +Description=Accel-PPP/SSTP +After=vyos-router.service + +[Service] +ExecStart=/usr/sbin/accel-pppd -d -p /run/accel-pppd-sstp.pid -c /etc/accel-ppp/sstp.conf +ExecReload=/bin/kill -SIGUSR1 $MAINPID +PIDFile=/run/accel-pppd-sstp.pid +Type=forking +Restart=always + +[Install] +WantedBy=multi-user.target +Alias=accel-ppp-sstp.service diff --git a/src/migration-scripts/l2tp/2-to-3 b/src/migration-scripts/l2tp/2-to-3 new file mode 100755 index 000000000..bd0839e03 --- /dev/null +++ b/src/migration-scripts/l2tp/2-to-3 @@ -0,0 +1,111 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2020 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# 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. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# - remove primary/secondary identifier from nameserver +# - TODO: remove radius server req-limit + +import os +import sys + +from sys import argv, exit +from vyos.configtree import ConfigTree + +if (len(argv) < 1): + print("Must specify file name!") + exit(1) + +file_name = argv[1] + +with open(file_name, 'r') as f: + config_file = f.read() + +config = ConfigTree(config_file) +base = ['vpn', 'l2tp', 'remote-access'] +if not config.exists(base): + # Nothing to do + exit(0) +else: + + # Migrate IPv4 DNS servers + dns_base = base + ['dns-servers'] + if config.exists(dns_base): + for server in ['server-1', 'server-2']: + if config.exists(dns_base + [server]): + dns = config.return_value(dns_base + [server]) + config.set(base + ['name-server'], value=dns, replace=False) + + config.delete(dns_base) + + # Migrate IPv6 DNS servers + dns_base = base + ['dnsv6-servers'] + if config.exists(dns_base): + for server in config.return_values(dns_base): + config.set(base + ['name-server'], value=server, replace=False) + + config.delete(dns_base) + + # Migrate IPv4 WINS servers + wins_base = base + ['wins-servers'] + if config.exists(wins_base): + for server in ['server-1', 'server-2']: + if config.exists(wins_base + [server]): + wins = config.return_value(wins_base + [server]) + config.set(base + ['wins-server'], value=wins, replace=False) + + config.delete(wins_base) + + + # Remove RADIUS server req-limit node + radius_base = base + ['authentication', 'radius'] + if config.exists(radius_base): + for server in config.list_nodes(radius_base + ['server']): + if config.exists(radius_base + ['server', server, 'req-limit']): + config.delete(radius_base + ['server', server, 'req-limit']) + + # Migrate IPv6 prefixes + ipv6_base = base + ['client-ipv6-pool'] + if config.exists(ipv6_base + ['prefix']): + prefix_old = config.return_values(ipv6_base + ['prefix']) + # delete old prefix CLI nodes + config.delete(ipv6_base + ['prefix']) + # create ned prefix tag node + config.set(ipv6_base + ['prefix']) + config.set_tag(ipv6_base + ['prefix']) + + for p in prefix_old: + prefix = p.split(',')[0] + mask = p.split(',')[1] + config.set(ipv6_base + ['prefix', prefix, 'mask'], value=mask) + + if config.exists(ipv6_base + ['delegate-prefix']): + prefix_old = config.return_values(ipv6_base + ['delegate-prefix']) + # delete old delegate prefix CLI nodes + config.delete(ipv6_base + ['delegate-prefix']) + # create ned delegation tag node + config.set(ipv6_base + ['delegate ']) + config.set_tag(ipv6_base + ['delegate ']) + + for p in prefix_old: + prefix = p.split(',')[0] + mask = p.split(',')[1] + config.set(ipv6_base + ['delegate', prefix, 'mask'], value=mask) + + try: + with open(file_name, 'w') as f: + f.write(config.to_string()) + except OSError as e: + print("Failed to save the modified config: {}".format(e)) + exit(1) |