730 lines
23 KiB
Bash
730 lines
23 KiB
Bash
#! /bin/sh
|
|
# iproute2 version, default updown script
|
|
#
|
|
# Copyright (C) 2003-2004 Nigel Meteringham
|
|
# Copyright (C) 2003-2004 Tuomo Soini
|
|
# Copyright (C) 2002-2004 Michael Richardson
|
|
# Copyright (C) 2005-2007 Andreas Steffen <andreas.steffen@strongswan.org>
|
|
#
|
|
# 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.
|
|
|
|
# CAUTION: Installing a new version of strongSwan will install a new
|
|
# copy of this script, wiping out any custom changes you make. If
|
|
# you need changes, make a copy of this under another name, and customize
|
|
# that, and use the (left/right)updown parameters in ipsec.conf to make
|
|
# strongSwan use yours instead of this default one.
|
|
|
|
# things that this script gets (from ipsec_pluto(8) man page)
|
|
#
|
|
# PLUTO_VERSION
|
|
# indicates what version of this interface is being
|
|
# used. This document describes version 1.1. This
|
|
# is upwardly compatible with version 1.0.
|
|
#
|
|
# PLUTO_VERB
|
|
# specifies the name of the operation to be performed
|
|
# (prepare-host, prepare-client, up-host, up-client,
|
|
# down-host, or down-client). If the address family
|
|
# for security gateway to security gateway communica-
|
|
# tions is IPv6, then a suffix of -v6 is added to the
|
|
# verb.
|
|
#
|
|
# PLUTO_CONNECTION
|
|
# is the name of the connection for which we are
|
|
# routing.
|
|
#
|
|
# PLUTO_INTERFACE
|
|
# is the name of the ipsec interface to be used.
|
|
#
|
|
# PLUTO_REQID
|
|
# is the requid of the AH|ESP policy
|
|
#
|
|
# PLUTO_PROTO
|
|
# is the negotiated IPsec protocol, ah|esp
|
|
#
|
|
# PLUTO_IPCOMP
|
|
# is not empty if IPComp was negotiated
|
|
#
|
|
# PLUTO_UNIQUEID
|
|
# is the unique identifier of the associated IKE_SA
|
|
#
|
|
# PLUTO_ME
|
|
# is the IP address of our host.
|
|
#
|
|
# PLUTO_MY_ID
|
|
# is the ID of our host.
|
|
#
|
|
# PLUTO_MY_CLIENT
|
|
# is the IP address / count of our client subnet. If
|
|
# the client is just the host, this will be the
|
|
# host's own IP address / max (where max is 32 for
|
|
# IPv4 and 128 for IPv6).
|
|
#
|
|
# PLUTO_MY_SOURCEIP
|
|
# PLUTO_MY_SOURCEIP4_$i
|
|
# PLUTO_MY_SOURCEIP6_$i
|
|
# contains IPv4/IPv6 virtual IP received from a responder,
|
|
# $i enumerates from 1 to the number of IP per address family.
|
|
# PLUTO_MY_SOURCEIP is a legacy variable and equals to the first
|
|
# virtual IP, IPv4 or IPv6.
|
|
#
|
|
# PLUTO_MY_PROTOCOL
|
|
# is the IP protocol that will be transported.
|
|
#
|
|
# PLUTO_MY_PORT
|
|
# is the UDP/TCP port to which the IPsec SA is
|
|
# restricted on our side. For ICMP/ICMPv6 this contains the
|
|
# message type, and PLUTO_PEER_PORT the message code.
|
|
#
|
|
# PLUTO_PEER
|
|
# is the IP address of our peer.
|
|
#
|
|
# PLUTO_PEER_ID
|
|
# is the ID of our peer.
|
|
#
|
|
# PLUTO_PEER_CLIENT
|
|
# is the IP address / count of the peer's client sub-
|
|
# net. If the client is just the peer, this will be
|
|
# the peer's own IP address / max (where max is 32
|
|
# for IPv4 and 128 for IPv6).
|
|
#
|
|
# PLUTO_PEER_PROTOCOL
|
|
# is the IP protocol that will be transported.
|
|
#
|
|
# PLUTO_PEER_PORT
|
|
# is the UDP/TCP port to which the IPsec SA is
|
|
# restricted on the peer side. For ICMP/ICMPv6 this contains the
|
|
# message code, and PLUTO_MY_PORT the message type.
|
|
#
|
|
# PLUTO_XAUTH_ID
|
|
# is an optional user ID employed by the XAUTH protocol
|
|
#
|
|
# PLUTO_MARK_IN
|
|
# is an optional XFRM mark set on the inbound IPsec SA
|
|
#
|
|
# PLUTO_MARK_OUT
|
|
# is an optional XFRM mark set on the outbound IPsec SA
|
|
#
|
|
# PLUTO_UDP_ENC
|
|
# contains the remote UDP port in the case of ESP_IN_UDP
|
|
# encapsulation
|
|
#
|
|
# PLUTO_DNS4_$i
|
|
# PLUTO_DNS6_$i
|
|
# contains IPv4/IPv6 DNS server attribute received from a
|
|
# responder, $i enumerates from 1 to the number of servers per
|
|
# address family.
|
|
#
|
|
|
|
# define a minimum PATH environment in case it is not set
|
|
PATH="/sbin:/bin:/usr/sbin:/usr/bin:@sbindir@"
|
|
export PATH
|
|
|
|
# uncomment to log VPN connections
|
|
VPN_LOGGING=1
|
|
#
|
|
# tag put in front of each log entry:
|
|
TAG=vpn
|
|
#
|
|
# syslog facility and priority used:
|
|
FAC_PRIO=local0.notice
|
|
#
|
|
# to create a special vpn logging file, put the following line into
|
|
# the syslog configuration file /etc/syslog.conf:
|
|
#
|
|
# local0.notice -/var/log/vpn
|
|
|
|
# in order to use source IP routing the Linux kernel options
|
|
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
|
|
# must be enabled
|
|
#
|
|
# special routing table for sourceip routes
|
|
SOURCEIP_ROUTING_TABLE=@routing_table@
|
|
#
|
|
# priority of the sourceip routing table
|
|
SOURCEIP_ROUTING_TABLE_PRIO=@routing_table_prio@
|
|
|
|
# check interface version
|
|
case "$PLUTO_VERSION" in
|
|
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
|
|
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
|
|
echo "$0: called by obsolete Pluto?" >&2
|
|
exit 2
|
|
;;
|
|
1.*) ;;
|
|
*) echo "$0: unknown interface version \`$PLUTO_VERSION'" >&2
|
|
exit 2
|
|
;;
|
|
esac
|
|
|
|
# check parameter(s)
|
|
case "$1:$*" in
|
|
':') # no parameters
|
|
;;
|
|
iptables:iptables) # due to (left/right)firewall; for default script only
|
|
;;
|
|
custom:*) # custom parameters (see above CAUTION comment)
|
|
;;
|
|
*) echo "$0: unknown parameters \`$*'" >&2
|
|
exit 2
|
|
;;
|
|
esac
|
|
|
|
# utility functions for route manipulation
|
|
# Meddling with this stuff should not be necessary and requires great care.
|
|
uproute() {
|
|
doroute add
|
|
ip route flush cache
|
|
}
|
|
downroute() {
|
|
doroute delete
|
|
ip route flush cache
|
|
}
|
|
|
|
addsource() {
|
|
st=0
|
|
if ! ip -o route get ${PLUTO_MY_SOURCEIP%/*} | grep -q ^local
|
|
then
|
|
it="ip addr add ${PLUTO_MY_SOURCEIP%/*}/32 dev $PLUTO_INTERFACE"
|
|
oops="`eval $it 2>&1`"
|
|
st=$?
|
|
if test " $oops" = " " -a " $st" != " 0"
|
|
then
|
|
oops="silent error, exit status $st"
|
|
fi
|
|
if test " $oops" != " " -o " $st" != " 0"
|
|
then
|
|
echo "$0: addsource \`$it' failed ($oops)" >&2
|
|
fi
|
|
fi
|
|
return $st
|
|
}
|
|
|
|
doroute() {
|
|
st=0
|
|
|
|
if [ -z "$PLUTO_MY_SOURCEIP" ]
|
|
then
|
|
for dir in /etc/sysconfig /etc/conf.d; do
|
|
if [ -f "$dir/defaultsource" ]
|
|
then
|
|
. "$dir/defaultsource"
|
|
fi
|
|
done
|
|
|
|
if [ -n "$DEFAULTSOURCE" ]
|
|
then
|
|
PLUTO_MY_SOURCEIP=$DEFAULTSOURCE
|
|
fi
|
|
fi
|
|
|
|
if [ -z "$KLIPS" -a -z "$PLUTO_MY_SOURCEIP" ]
|
|
then
|
|
# leave because no route entry is required
|
|
return $st
|
|
fi
|
|
|
|
parms1="$PLUTO_PEER_CLIENT"
|
|
|
|
if [ -n "$PLUTO_NEXT_HOP" ]
|
|
then
|
|
parms2="via $PLUTO_NEXT_HOP"
|
|
else
|
|
parms2="via $PLUTO_PEER"
|
|
fi
|
|
parms2="$parms2 dev $PLUTO_INTERFACE"
|
|
|
|
parms3=
|
|
if [ -n "$PLUTO_MY_SOURCEIP" ]
|
|
then
|
|
if test "$1" = "add"
|
|
then
|
|
addsource
|
|
if ! ip rule list | grep -q "lookup $SOURCEIP_ROUTING_TABLE"
|
|
then
|
|
ip rule add pref $SOURCEIP_ROUTING_TABLE_PRIO table $SOURCEIP_ROUTING_TABLE
|
|
fi
|
|
fi
|
|
parms3="$parms3 src ${PLUTO_MY_SOURCEIP%/*} table $SOURCEIP_ROUTING_TABLE"
|
|
fi
|
|
|
|
case "$PLUTO_PEER_CLIENT_NET/$PLUTO_PEER_CLIENT_MASK" in
|
|
"0.0.0.0/0.0.0.0")
|
|
# opportunistic encryption work around
|
|
# need to provide route that eclipses default, without
|
|
# replacing it.
|
|
it="ip route $1 0.0.0.0/1 $parms2 $parms3 &&
|
|
ip route $1 128.0.0.0/1 $parms2 $parms3"
|
|
;;
|
|
*) it="ip route $1 $parms1 $parms2 $parms3"
|
|
;;
|
|
esac
|
|
oops="`eval $it 2>&1`"
|
|
st=$?
|
|
if test " $oops" = " " -a " $st" != " 0"
|
|
then
|
|
oops="silent error, exit status $st"
|
|
fi
|
|
if test " $oops" != " " -o " $st" != " 0"
|
|
then
|
|
echo "$0: doroute \`$it' failed ($oops)" >&2
|
|
fi
|
|
return $st
|
|
}
|
|
|
|
# in the presence of KLIPS and ipsecN interfaces do not use IPSEC_POLICY
|
|
if [ `echo "$PLUTO_INTERFACE" | grep "ipsec"` ]
|
|
then
|
|
KLIPS=1
|
|
IPSEC_POLICY_IN=""
|
|
IPSEC_POLICY_OUT=""
|
|
else
|
|
KLIPS=
|
|
IPSEC_POLICY="-m policy --pol ipsec --proto $PLUTO_PROTO --reqid $PLUTO_REQID"
|
|
IPSEC_POLICY_IN="$IPSEC_POLICY --dir in"
|
|
IPSEC_POLICY_OUT="$IPSEC_POLICY --dir out"
|
|
fi
|
|
|
|
# use protocol specific options to set ports
|
|
case "$PLUTO_MY_PROTOCOL" in
|
|
1) # ICMP
|
|
ICMP_TYPE_OPTION="--icmp-type"
|
|
;;
|
|
58) # ICMPv6
|
|
ICMP_TYPE_OPTION="--icmpv6-type"
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
|
|
# are there port numbers?
|
|
if [ "$PLUTO_MY_PORT" != 0 ]
|
|
then
|
|
if [ -n "$ICMP_TYPE_OPTION" ]
|
|
then
|
|
S_MY_PORT="$ICMP_TYPE_OPTION $PLUTO_MY_PORT"
|
|
D_MY_PORT="$ICMP_TYPE_OPTION $PLUTO_MY_PORT"
|
|
else
|
|
S_MY_PORT="--sport $PLUTO_MY_PORT"
|
|
D_MY_PORT="--dport $PLUTO_MY_PORT"
|
|
fi
|
|
fi
|
|
if [ "$PLUTO_PEER_PORT" != 0 ]
|
|
then
|
|
if [ -n "$ICMP_TYPE_OPTION" ]
|
|
then
|
|
# the syntax is --icmp[v6]-type type[/code], so add it to the existing option
|
|
S_MY_PORT="$S_MY_PORT/$PLUTO_PEER_PORT"
|
|
D_MY_PORT="$D_MY_PORT/$PLUTO_PEER_PORT"
|
|
else
|
|
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
|
|
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
|
|
fi
|
|
fi
|
|
|
|
# resolve octal escape sequences
|
|
PLUTO_MY_ID=`printf "$PLUTO_MY_ID"`
|
|
PLUTO_PEER_ID=`printf "$PLUTO_PEER_ID"`
|
|
|
|
# the big choice
|
|
case "$PLUTO_VERB:$1" in
|
|
prepare-host:*|prepare-client:*)
|
|
if [ -z "$KLIPS" -a -z "$PLUTO_MY_SOURCEIP" ]
|
|
then
|
|
# exit because no route will be added,
|
|
# so that existing routes can stay
|
|
exit 0
|
|
fi
|
|
|
|
# delete possibly-existing route (preliminary to adding a route)
|
|
case "$PLUTO_PEER_CLIENT_NET/$PLUTO_PEER_CLIENT_MASK" in
|
|
"0.0.0.0/0.0.0.0")
|
|
# need to provide route that eclipses default, without
|
|
# replacing it.
|
|
parms1="0.0.0.0/1"
|
|
parms2="128.0.0.0/1"
|
|
it="ip route delete $parms1 2>&1 ; ip route delete $parms2 2>&1"
|
|
oops="`ip route delete $parms1 2>&1 ; ip route delete $parms2 2>&1`"
|
|
;;
|
|
*)
|
|
parms="$PLUTO_PEER_CLIENT"
|
|
it="ip route delete $parms 2>&1"
|
|
oops="`ip route delete $parms 2>&1`"
|
|
;;
|
|
esac
|
|
status="$?"
|
|
if test " $oops" = " " -a " $status" != " 0"
|
|
then
|
|
oops="silent error, exit status $status"
|
|
fi
|
|
case "$oops" in
|
|
*'RTNETLINK answers: No such process'*)
|
|
# This is what route (currently -- not documented!) gives
|
|
# for "could not find such a route".
|
|
oops=
|
|
status=0
|
|
;;
|
|
esac
|
|
if test " $oops" != " " -o " $status" != " 0"
|
|
then
|
|
echo "$0: \`$it' failed ($oops)" >&2
|
|
fi
|
|
exit $status
|
|
;;
|
|
route-host:*|route-client:*)
|
|
# connection to me or my client subnet being routed
|
|
uproute
|
|
;;
|
|
unroute-host:*|unroute-client:*)
|
|
# connection to me or my client subnet being unrouted
|
|
downroute
|
|
;;
|
|
up-host:)
|
|
# connection to me coming up
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
down-host:)
|
|
# connection to me going down
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
up-client:)
|
|
# connection to my client subnet coming up
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
down-client:)
|
|
# connection to my client subnet going down
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
up-host:iptables)
|
|
# connection to me, with (left/right)firewall=yes, coming up
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
iptables -I INPUT 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_ME $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
iptables -I OUTPUT 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_ME $S_MY_PORT $IPSEC_POLICY_OUT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
|
|
#
|
|
# allow IPIP traffic because of the implicit SA created by the kernel if
|
|
# IPComp is used (for small inbound packets that are not compressed)
|
|
if [ -n "$PLUTO_IPCOMP" ]
|
|
then
|
|
iptables -I INPUT 1 -i $PLUTO_INTERFACE -p 4 \
|
|
-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec host connection setup
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/32" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME"
|
|
fi
|
|
fi
|
|
;;
|
|
down-host:iptables)
|
|
# connection to me, with (left/right)firewall=yes, going down
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_ME $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_ME $S_MY_PORT $IPSEC_POLICY_OUT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
|
|
#
|
|
# IPIP exception teardown
|
|
if [ -n "$PLUTO_IPCOMP" ]
|
|
then
|
|
iptables -D INPUT -i $PLUTO_INTERFACE -p 4 \
|
|
-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec host connection teardown
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/32" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME"
|
|
fi
|
|
fi
|
|
;;
|
|
up-client:iptables)
|
|
# connection to client subnet, with (left/right)firewall=yes, coming up
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/32" ]
|
|
then
|
|
iptables -I FORWARD 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT $IPSEC_POLICY_OUT -j ACCEPT
|
|
iptables -I FORWARD 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# a virtual IP requires an INPUT and OUTPUT rule on the host
|
|
# or sometimes host access via the internal IP is needed
|
|
if [ -n "$PLUTO_MY_SOURCEIP" -o -n "$PLUTO_HOST_ACCESS" ]
|
|
then
|
|
iptables -I INPUT 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
iptables -I OUTPUT 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT $IPSEC_POLICY_OUT -j ACCEPT
|
|
fi
|
|
#
|
|
# allow IPIP traffic because of the implicit SA created by the kernel if
|
|
# IPComp is used (for small inbound packets that are not compressed).
|
|
# INPUT is correct here even for forwarded traffic.
|
|
if [ -n "$PLUTO_IPCOMP" ]
|
|
then
|
|
iptables -I INPUT 1 -i $PLUTO_INTERFACE -p 4 \
|
|
-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec client connection setup
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/32" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
fi
|
|
fi
|
|
;;
|
|
down-client:iptables)
|
|
# connection to client subnet, with (left/right)firewall=yes, going down
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/32" ]
|
|
then
|
|
iptables -D FORWARD -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT \
|
|
$IPSEC_POLICY_OUT -j ACCEPT
|
|
iptables -D FORWARD -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT \
|
|
$IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# a virtual IP requires an INPUT and OUTPUT rule on the host
|
|
# or sometimes host access via the internal IP is needed
|
|
if [ -n "$PLUTO_MY_SOURCEIP" -o -n "$PLUTO_HOST_ACCESS" ]
|
|
then
|
|
iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT \
|
|
$IPSEC_POLICY_IN -j ACCEPT
|
|
iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT \
|
|
$IPSEC_POLICY_OUT -j ACCEPT
|
|
fi
|
|
#
|
|
# IPIP exception teardown
|
|
if [ -n "$PLUTO_IPCOMP" ]
|
|
then
|
|
iptables -D INPUT -i $PLUTO_INTERFACE -p 4 \
|
|
-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec client connection teardown
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/32" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
fi
|
|
fi
|
|
;;
|
|
#
|
|
# IPv6
|
|
#
|
|
prepare-host-v6:*|prepare-client-v6:*)
|
|
;;
|
|
route-host-v6:*|route-client-v6:*)
|
|
# connection to me or my client subnet being routed
|
|
#uproute_v6
|
|
;;
|
|
unroute-host-v6:*|unroute-client-v6:*)
|
|
# connection to me or my client subnet being unrouted
|
|
#downroute_v6
|
|
;;
|
|
up-host-v6:)
|
|
# connection to me coming up
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
down-host-v6:)
|
|
# connection to me going down
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
up-client-v6:)
|
|
# connection to my client subnet coming up
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
down-client-v6:)
|
|
# connection to my client subnet going down
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
up-host-v6:iptables)
|
|
# connection to me, with (left/right)firewall=yes, coming up
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
ip6tables -I INPUT 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_ME $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
ip6tables -I OUTPUT 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_ME $S_MY_PORT $IPSEC_POLICY_OUT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
|
|
#
|
|
# log IPsec host connection setup
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/128" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME"
|
|
fi
|
|
fi
|
|
;;
|
|
down-host-v6:iptables)
|
|
# connection to me, with (left/right)firewall=yes, going down
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
ip6tables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_ME $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
ip6tables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_ME $S_MY_PORT $IPSEC_POLICY_OUT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
|
|
#
|
|
# log IPsec host connection teardown
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/128" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME"
|
|
fi
|
|
fi
|
|
;;
|
|
up-client-v6:iptables)
|
|
# connection to client subnet, with (left/right)firewall=yes, coming up
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/128" ]
|
|
then
|
|
ip6tables -I FORWARD 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT $IPSEC_POLICY_OUT -j ACCEPT
|
|
ip6tables -I FORWARD 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# a virtual IP requires an INPUT and OUTPUT rule on the host
|
|
# or sometimes host access via the internal IP is needed
|
|
if [ -n "$PLUTO_MY_SOURCEIP" -o -n "$PLUTO_HOST_ACCESS" ]
|
|
then
|
|
ip6tables -I INPUT 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
ip6tables -I OUTPUT 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT $IPSEC_POLICY_OUT -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec client connection setup
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/128" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
fi
|
|
fi
|
|
;;
|
|
down-client-v6:iptables)
|
|
# connection to client subnet, with (left/right)firewall=yes, going down
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/128" ]
|
|
then
|
|
ip6tables -D FORWARD -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT \
|
|
$IPSEC_POLICY_OUT -j ACCEPT
|
|
ip6tables -D FORWARD -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT \
|
|
$IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# a virtual IP requires an INPUT and OUTPUT rule on the host
|
|
# or sometimes host access via the internal IP is needed
|
|
if [ -n "$PLUTO_MY_SOURCEIP" -o -n "$PLUTO_HOST_ACCESS" ]
|
|
then
|
|
ip6tables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT \
|
|
$IPSEC_POLICY_IN -j ACCEPT
|
|
ip6tables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT \
|
|
$IPSEC_POLICY_OUT -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec client connection teardown
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/128" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
fi
|
|
fi
|
|
;;
|
|
*) echo "$0: unknown verb \`$PLUTO_VERB' or parameter \`$1'" >&2
|
|
exit 1
|
|
;;
|
|
esac
|