testing: Update modified updown scripts to the latest template

This avoids confusion and makes identifying the changes needed for each
scenario easier.
This commit is contained in:
Tobias Brunner
2015-03-06 16:51:50 +01:00
parent 4e92441d0c
commit 8b2af616ac
14 changed files with 1001 additions and 2597 deletions
@@ -1,4 +1,4 @@
#! /bin/sh
#!/bin/sh
# NAT updown script
#
# Copyright (C) 2010 Andreas Steffen <[email protected]>
@@ -13,7 +13,6 @@
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
@@ -32,15 +31,20 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# 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.
@@ -54,25 +58,21 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# if non-empty, then the source address for the route will be
# set to this IP address.
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
# contains IPv4/IPv6 virtual IP received from a responder,
# $i enumerates from 1 to the number of IP per address family.
# PLUTO_MY_SOURCEIP is a legacy variable and equals to the first
# virtual IP, IPv4 or IPv6.
#
# PLUTO_MY_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -80,31 +80,38 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
#
# PLUTO_MARK_IN
# is an optional XFRM mark set on the inbound IPsec SA
#
# PLUTO_MARK_OUT
# is an optional XFRM mark set on the outbound IPsec SA
#
# PLUTO_UDP_ENC
# contains the remote UDP port in the case of ESP_IN_UDP
# encapsulation
#
# PLUTO_DNS4_$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
@@ -129,22 +136,22 @@ up-client:)
# If you are doing a custom version, firewall commands go here.
iptables -A FORWARD -i eth1 -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j ACCEPT
iptables -A FORWARD -o eth1 -i $PLUTO_INTERFACE -d PH_IP_ALICE \
-s $PLUTO_PEER_CLIENT -j ACCEPT
iptables -A FORWARD -o eth1 -i $PLUTO_INTERFACE -d PH_IP_ALICE \
-s $PLUTO_PEER_CLIENT -j ACCEPT
iptables -t nat -A POSTROUTING -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j SNAT --to-source $PLUTO_MY_SOURCEIP
echo "inserted NAT rule mapping PH_IP_ALICE to virtual IP $PLUTO_MY_SOURCEIP" >&2
echo "inserted NAT rule mapping PH_IP_ALICE to virtual IP $PLUTO_MY_SOURCEIP" >&2
;;
down-client:)
# connection to my client subnet going down
# If you are doing a custom version, firewall commands go here.
iptables -D FORWARD -i eth1 -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j ACCEPT
iptables -D FORWARD -o eth1 -i $PLUTO_INTERFACE -d PH_IP_ALICE \
-s $PLUTO_PEER_CLIENT -j ACCEPT
iptables -t nat -D POSTROUTING -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j SNAT --to-source $PLUTO_MY_SOURCEIP
echo "deleted NAT rule mapping PH_IP_ALICE to virtual IP $PLUTO_MY_SOURCEIP" >&2
iptables -D FORWARD -i eth1 -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j ACCEPT
iptables -D FORWARD -o eth1 -i $PLUTO_INTERFACE -d PH_IP_ALICE \
-s $PLUTO_PEER_CLIENT -j ACCEPT
iptables -t nat -D POSTROUTING -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j SNAT --to-source $PLUTO_MY_SOURCEIP
echo "deleted NAT rule mapping PH_IP_ALICE to virtual IP $PLUTO_MY_SOURCEIP" >&2
;;
*) echo "$0: unknown verb \`$PLUTO_VERB' or parameter \`$1'" >&2
exit 1
@@ -1,4 +1,4 @@
#! /bin/sh
#!/bin/sh
# updown script setting inbound marks on ESP traffic in the mangle chain
#
# Copyright (C) 2003-2004 Nigel Meteringham
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,20 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
#
# PLUTO_ME
# is the IP address of our host.
@@ -63,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -85,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -93,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -143,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin:/usr/local/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -157,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -193,119 +166,45 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 $st
}
# use protocol specific options to set ports
case "$PLUTO_MY_PROTOCOL" in
1) # ICMP
ICMP_TYPE_OPTION="--icmp-type"
;;
58) # ICMPv6
ICMP_TYPE_OPTION="--icmpv6-type"
;;
*)
;;
esac
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"` ]
# are there port numbers?
if [ "$PLUTO_MY_PORT" != 0 ]
then
KLIPS=1
IPSEC_POLICY_IN=""
IPSEC_POLICY_OUT=""
else
KLIPS=
IPSEC_POLICY="-m policy --pol ipsec --proto esp --reqid $PLUTO_REQID"
IPSEC_POLICY_IN="$IPSEC_POLICY --dir in"
IPSEC_POLICY_OUT="$IPSEC_POLICY --dir out"
if [ -n "$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 $PLUTO_PEER_PORT"
fi
fi
# is there an inbound mark to be set?
@@ -313,82 +212,18 @@ if [ -n "$PLUTO_MARK_IN" ]
then
if [ -n "$PLUTO_UDP_ENC" ]
then
SET_MARK="-p udp --sport $PLUTO_UDP_ENC"
SET_MARK="-p udp --sport $PLUTO_UDP_ENC"
else
SET_MARK="-p esp"
SET_MARK="-p $PLUTO_PROTO"
fi
SET_MARK="$SET_MARK -s $PLUTO_PEER -j MARK --set-mark $PLUTO_MARK_IN"
fi
# are there port numbers?
if [ "$PLUTO_MY_PORT" != 0 ]
then
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
fi
if [ "$PLUTO_PEER_PORT" != 0 ]
then
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
fi
# resolve octal escape sequences
PLUTO_MY_ID=`printf "$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.
@@ -403,6 +238,14 @@ up-host:)
-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
@@ -430,6 +273,13 @@ down-host:)
-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
@@ -472,6 +322,15 @@ up-client:)
-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
@@ -518,6 +377,13 @@ down-client:)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -1,4 +1,4 @@
#! /bin/sh
#!/bin/sh
# NAT updown script
#
# Copyright (C) 2010 Andreas Steffen <[email protected]>
@@ -13,8 +13,6 @@
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -32,15 +30,20 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
#
# PLUTO_ME
# is the IP address of our host.
@@ -54,25 +57,21 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# if non-empty, then the source address for the route will be
# set to this IP address.
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
# contains IPv4/IPv6 virtual IP received from a responder,
# $i enumerates from 1 to the number of IP per address family.
# PLUTO_MY_SOURCEIP is a legacy variable and equals to the first
# virtual IP, IPv4 or IPv6.
#
# PLUTO_MY_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -80,31 +79,38 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
#
# PLUTO_MARK_IN
# is an optional XFRM mark set on the inbound IPsec SA
#
# PLUTO_MARK_OUT
# is an optional XFRM mark set on the outbound IPsec SA
#
# PLUTO_UDP_ENC
# contains the remote UDP port in the case of ESP_IN_UDP
# encapsulation
#
# PLUTO_DNS4_$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
@@ -129,22 +135,22 @@ up-client:)
# If you are doing a custom version, firewall commands go here.
iptables -A FORWARD -i eth1 -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j ACCEPT
iptables -A FORWARD -o eth1 -i $PLUTO_INTERFACE -d PH_IP_ALICE \
-s $PLUTO_PEER_CLIENT -j ACCEPT
iptables -A FORWARD -o eth1 -i $PLUTO_INTERFACE -d PH_IP_ALICE \
-s $PLUTO_PEER_CLIENT -j ACCEPT
iptables -t nat -A POSTROUTING -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j SNAT --to-source $PLUTO_MY_SOURCEIP
echo "inserted NAT rule mapping PH_IP_ALICE to virtual IP $PLUTO_MY_SOURCEIP" >&2
echo "inserted NAT rule mapping PH_IP_ALICE to virtual IP $PLUTO_MY_SOURCEIP" >&2
;;
down-client:)
# connection to my client subnet going down
# If you are doing a custom version, firewall commands go here.
iptables -D FORWARD -i eth1 -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j ACCEPT
iptables -D FORWARD -o eth1 -i $PLUTO_INTERFACE -d PH_IP_ALICE \
-s $PLUTO_PEER_CLIENT -j ACCEPT
iptables -t nat -D POSTROUTING -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j SNAT --to-source $PLUTO_MY_SOURCEIP
echo "deleted NAT rule mapping PH_IP_ALICE to virtual IP $PLUTO_MY_SOURCEIP" >&2
iptables -D FORWARD -i eth1 -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j ACCEPT
iptables -D FORWARD -o eth1 -i $PLUTO_INTERFACE -d PH_IP_ALICE \
-s $PLUTO_PEER_CLIENT -j ACCEPT
iptables -t nat -D POSTROUTING -o $PLUTO_INTERFACE -s PH_IP_ALICE \
-d $PLUTO_PEER_CLIENT -j SNAT --to-source $PLUTO_MY_SOURCEIP
echo "deleted NAT rule mapping PH_IP_ALICE to virtual IP $PLUTO_MY_SOURCEIP" >&2
;;
*) echo "$0: unknown verb \`$PLUTO_VERB' or parameter \`$1'" >&2
exit 1
@@ -1,4 +1,4 @@
#! /bin/sh
#!/bin/sh
# updown script setting inbound marks on ESP traffic in the mangle chain
#
# Copyright (C) 2003-2004 Nigel Meteringham
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,20 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
#
# PLUTO_ME
# is the IP address of our host.
@@ -63,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -85,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -93,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -186,7 +169,6 @@ fi
PLUTO_MY_ID=`printf "$PLUTO_MY_ID"`
PLUTO_PEER_ID=`printf "$PLUTO_PEER_ID"`
# the big choice
case "$PLUTO_VERB:$1" in
up-client:)
# connection to my client subnet coming up
@@ -1,4 +1,4 @@
#! /bin/sh
#!/bin/sh
# updown script setting inbound marks on ESP traffic in the mangle chain
#
# Copyright (C) 2003-2004 Nigel Meteringham
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,20 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
#
# PLUTO_ME
# is the IP address of our host.
@@ -63,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -85,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -93,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -143,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin:/usr/local/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -157,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -193,119 +166,45 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 $st
}
# use protocol specific options to set ports
case "$PLUTO_MY_PROTOCOL" in
1) # ICMP
ICMP_TYPE_OPTION="--icmp-type"
;;
58) # ICMPv6
ICMP_TYPE_OPTION="--icmpv6-type"
;;
*)
;;
esac
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"` ]
# are there port numbers?
if [ "$PLUTO_MY_PORT" != 0 ]
then
KLIPS=1
IPSEC_POLICY_IN=""
IPSEC_POLICY_OUT=""
else
KLIPS=
IPSEC_POLICY="-m policy --pol ipsec --proto esp --reqid $PLUTO_REQID"
IPSEC_POLICY_IN="$IPSEC_POLICY --dir in"
IPSEC_POLICY_OUT="$IPSEC_POLICY --dir out"
if [ -n "$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 $PLUTO_PEER_PORT"
fi
fi
# is there an inbound mark to be set?
@@ -320,75 +219,11 @@ then
SET_MARK="$SET_MARK -s $PLUTO_PEER -j MARK --set-mark $PLUTO_MARK_IN"
fi
# are there port numbers?
if [ "$PLUTO_MY_PORT" != 0 ]
then
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
fi
if [ "$PLUTO_PEER_PORT" != 0 ]
then
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
fi
# resolve octal escape sequences
PLUTO_MY_ID=`printf "$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.
@@ -403,6 +238,14 @@ up-host:)
-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
@@ -430,6 +273,13 @@ down-host:)
-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
@@ -472,6 +322,15 @@ up-client:)
-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
@@ -518,6 +377,13 @@ down-client:)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -1,5 +1,5 @@
#! /bin/sh
# iproute2 version, default updown script
#!/bin/sh
# default updown script
#
# Copyright (C) 2003-2004 Nigel Meteringham
# Copyright (C) 2003-2004 Tuomo Soini
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,17 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
@@ -66,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -88,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -96,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -146,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -160,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -196,190 +166,52 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 esp --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
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
if [ -n "$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
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
if [ -n "$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.
@@ -421,6 +253,14 @@ up-host:iptables)
-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
@@ -445,6 +285,13 @@ down-host:iptables)
-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
@@ -484,6 +331,15 @@ up-client:iptables)
-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
@@ -527,6 +383,13 @@ down-client:iptables)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -543,16 +406,6 @@ down-client:iptables)
#
# IPv6
#
prepare-host-v6:*|prepare-client-v6:*)
;;
route-host-v6:*|route-client-v6:*)
# connection to me or my client subnet being routed
#uproute_v6
;;
unroute-host-v6:*|unroute-client-v6:*)
# connection to me or my client subnet being unrouted
#downroute_v6
;;
up-host-v6:)
# connection to me coming up
# If you are doing a custom version, firewall commands go here.
@@ -1,5 +1,5 @@
#! /bin/sh
# iproute2 version, default updown script
#!/bin/sh
# default updown script
#
# Copyright (C) 2003-2004 Nigel Meteringham
# Copyright (C) 2003-2004 Tuomo Soini
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,17 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
@@ -66,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -88,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -96,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -146,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -160,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -196,190 +166,52 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 esp --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
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
if [ -n "$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
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
if [ -n "$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.
@@ -421,6 +253,14 @@ up-host:iptables)
-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
@@ -445,6 +285,13 @@ down-host:iptables)
-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
@@ -484,6 +331,15 @@ up-client:iptables)
-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
@@ -527,6 +383,13 @@ down-client:iptables)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -543,16 +406,6 @@ down-client:iptables)
#
# IPv6
#
prepare-host-v6:*|prepare-client-v6:*)
;;
route-host-v6:*|route-client-v6:*)
# connection to me or my client subnet being routed
#uproute_v6
;;
unroute-host-v6:*|unroute-client-v6:*)
# connection to me or my client subnet being unrouted
#downroute_v6
;;
up-host-v6:)
# connection to me coming up
# If you are doing a custom version, firewall commands go here.
@@ -1,5 +1,5 @@
#! /bin/sh
# iproute2 version, default updown script
#!/bin/sh
# default updown script
#
# Copyright (C) 2003-2004 Nigel Meteringham
# Copyright (C) 2003-2004 Tuomo Soini
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,17 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
@@ -66,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -88,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -96,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -146,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -160,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -196,190 +166,52 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 esp --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
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
if [ -n "$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
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
if [ -n "$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.
@@ -421,6 +253,14 @@ up-host:iptables)
-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
@@ -445,6 +285,13 @@ down-host:iptables)
-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
@@ -484,6 +331,15 @@ up-client:iptables)
-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
@@ -527,6 +383,13 @@ down-client:iptables)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -543,16 +406,6 @@ down-client:iptables)
#
# IPv6
#
prepare-host-v6:*|prepare-client-v6:*)
;;
route-host-v6:*|route-client-v6:*)
# connection to me or my client subnet being routed
#uproute_v6
;;
unroute-host-v6:*|unroute-client-v6:*)
# connection to me or my client subnet being unrouted
#downroute_v6
;;
up-host-v6:)
# connection to me coming up
# If you are doing a custom version, firewall commands go here.
@@ -1,5 +1,5 @@
#! /bin/sh
# iproute2 version, default updown script
#!/bin/sh
# default updown script
#
# Copyright (C) 2003-2004 Nigel Meteringham
# Copyright (C) 2003-2004 Tuomo Soini
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,17 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
@@ -66,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -88,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -96,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -146,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -160,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -196,190 +166,52 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 esp --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
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
if [ -n "$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
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
if [ -n "$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.
@@ -421,6 +253,14 @@ up-host:iptables)
-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
@@ -445,6 +285,13 @@ down-host:iptables)
-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
@@ -484,6 +331,15 @@ up-client:iptables)
-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
@@ -527,6 +383,13 @@ down-client:iptables)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -543,16 +406,6 @@ down-client:iptables)
#
# IPv6
#
prepare-host-v6:*|prepare-client-v6:*)
;;
route-host-v6:*|route-client-v6:*)
# connection to me or my client subnet being routed
#uproute_v6
;;
unroute-host-v6:*|unroute-client-v6:*)
# connection to me or my client subnet being unrouted
#downroute_v6
;;
up-host-v6:)
# connection to me coming up
# If you are doing a custom version, firewall commands go here.
@@ -1,5 +1,5 @@
#! /bin/sh
# iproute2 version, default updown script
#!/bin/sh
# default updown script
#
# Copyright (C) 2003-2004 Nigel Meteringham
# Copyright (C) 2003-2004 Tuomo Soini
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,17 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
@@ -66,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -88,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -96,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -146,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -160,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -196,190 +166,52 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 esp --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
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
if [ -n "$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
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
if [ -n "$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.
@@ -421,6 +253,14 @@ up-host:iptables)
-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
@@ -445,6 +285,13 @@ down-host:iptables)
-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
@@ -484,6 +331,15 @@ up-client:iptables)
-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
@@ -527,6 +383,13 @@ down-client:iptables)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -543,16 +406,6 @@ down-client:iptables)
#
# IPv6
#
prepare-host-v6:*|prepare-client-v6:*)
;;
route-host-v6:*|route-client-v6:*)
# connection to me or my client subnet being routed
#uproute_v6
;;
unroute-host-v6:*|unroute-client-v6:*)
# connection to me or my client subnet being unrouted
#downroute_v6
;;
up-host-v6:)
# connection to me coming up
# If you are doing a custom version, firewall commands go here.
@@ -1,5 +1,5 @@
#! /bin/sh
# iproute2 version, default updown script
#!/bin/sh
# default updown script
#
# Copyright (C) 2003-2004 Nigel Meteringham
# Copyright (C) 2003-2004 Tuomo Soini
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,17 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
@@ -66,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -88,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -96,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -146,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -160,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -196,190 +166,52 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 esp --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
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
if [ -n "$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
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
if [ -n "$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.
@@ -421,6 +253,14 @@ up-host:iptables)
-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
@@ -445,6 +285,13 @@ down-host:iptables)
-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
@@ -484,6 +331,15 @@ up-client:iptables)
-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
@@ -527,6 +383,13 @@ down-client:iptables)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -543,16 +406,6 @@ down-client:iptables)
#
# IPv6
#
prepare-host-v6:*|prepare-client-v6:*)
;;
route-host-v6:*|route-client-v6:*)
# connection to me or my client subnet being routed
#uproute_v6
;;
unroute-host-v6:*|unroute-client-v6:*)
# connection to me or my client subnet being unrouted
#downroute_v6
;;
up-host-v6:)
# connection to me coming up
# If you are doing a custom version, firewall commands go here.
@@ -1,5 +1,5 @@
#! /bin/sh
# iproute2 version, default updown script
#!/bin/sh
# default updown script
#
# Copyright (C) 2003-2004 Nigel Meteringham
# Copyright (C) 2003-2004 Tuomo Soini
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,17 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
@@ -66,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -88,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -96,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -146,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -160,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -196,190 +166,52 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 esp --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
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
if [ -n "$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
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
if [ -n "$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.
@@ -395,7 +227,7 @@ down-host:)
# connection to me going down
# If you are doing a custom version, firewall commands go here.
PLUTO_INTERFACE=ipsec0
iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
-d $PLUTO_ME $D_MY_PORT -j ACCEPT
iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
@@ -406,8 +238,8 @@ up-client:)
# connection to my client subnet coming up
# If you are doing a custom version, firewall commands go here.
PLUTO_INTERFACE=ipsec0
if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/32" ]
then
if [ "$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 $D_PEER_PORT -j ACCEPT
@@ -444,7 +276,7 @@ down-client:)
if [ -n "$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 \
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
-d $PLUTO_MY_CLIENT $D_MY_PORT -j ACCEPT
iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
-s $PLUTO_MY_CLIENT $S_MY_PORT \
@@ -462,6 +294,14 @@ up-host:iptables)
-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
@@ -486,6 +326,13 @@ down-host:iptables)
-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
@@ -525,6 +372,15 @@ up-client:iptables)
-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
@@ -568,6 +424,13 @@ down-client:iptables)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -584,16 +447,6 @@ down-client:iptables)
#
# IPv6
#
prepare-host-v6:*|prepare-client-v6:*)
;;
route-host-v6:*|route-client-v6:*)
# connection to me or my client subnet being routed
#uproute_v6
;;
unroute-host-v6:*|unroute-client-v6:*)
# connection to me or my client subnet being unrouted
#downroute_v6
;;
up-host-v6:)
# connection to me coming up
# If you are doing a custom version, firewall commands go here.
@@ -1,5 +1,5 @@
#! /bin/sh
# iproute2 version, default updown script
#!/bin/sh
# default updown script
#
# Copyright (C) 2003-2004 Nigel Meteringham
# Copyright (C) 2003-2004 Tuomo Soini
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,17 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
@@ -66,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -88,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -96,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -146,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -160,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -196,190 +166,52 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 esp --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
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
if [ -n "$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
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
if [ -n "$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.
@@ -395,7 +227,7 @@ down-host:)
# connection to me going down
# If you are doing a custom version, firewall commands go here.
PLUTO_INTERFACE=ipsec0
iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
-d $PLUTO_ME $D_MY_PORT -j ACCEPT
iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
@@ -406,8 +238,8 @@ up-client:)
# connection to my client subnet coming up
# If you are doing a custom version, firewall commands go here.
PLUTO_INTERFACE=ipsec0
if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/32" ]
then
if [ "$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 $D_PEER_PORT -j ACCEPT
@@ -444,7 +276,7 @@ down-client:)
if [ -n "$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 \
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
-d $PLUTO_MY_CLIENT $D_MY_PORT -j ACCEPT
iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
-s $PLUTO_MY_CLIENT $S_MY_PORT \
@@ -462,6 +294,14 @@ up-host:iptables)
-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
@@ -486,6 +326,13 @@ down-host:iptables)
-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
@@ -525,6 +372,15 @@ up-client:iptables)
-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
@@ -568,6 +424,13 @@ down-client:iptables)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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 [ $VPN_LOGGING ]
then
@@ -584,16 +447,6 @@ down-client:iptables)
#
# IPv6
#
prepare-host-v6:*|prepare-client-v6:*)
;;
route-host-v6:*|route-client-v6:*)
# connection to me or my client subnet being routed
#uproute_v6
;;
unroute-host-v6:*|unroute-client-v6:*)
# connection to me or my client subnet being unrouted
#downroute_v6
;;
up-host-v6:)
# connection to me coming up
# If you are doing a custom version, firewall commands go here.
@@ -1,5 +1,5 @@
#! /bin/sh
# iproute2 version, default updown script
#!/bin/sh
# default updown script
#
# Copyright (C) 2003-2004 Nigel Meteringham
# Copyright (C) 2003-2004 Tuomo Soini
@@ -22,8 +22,6 @@
# that, and use the (left/right)updown parameters in ipsec.conf to make
# strongSwan use yours instead of this default one.
# things that this script gets (from ipsec_pluto(8) man page)
#
# PLUTO_VERSION
# indicates what version of this interface is being
# used. This document describes version 1.1. This
@@ -41,15 +39,17 @@
# is the name of the connection for which we are
# routing.
#
# PLUTO_NEXT_HOP
# is the next hop to which packets bound for the peer
# must be sent.
#
# PLUTO_INTERFACE
# is the name of the ipsec interface to be used.
#
# PLUTO_REQID
# is the requid of the ESP policy
# is the requid of the AH|ESP policy
#
# PLUTO_PROTO
# is the negotiated IPsec protocol, ah|esp
#
# PLUTO_IPCOMP
# is not empty if IPComp was negotiated
#
# PLUTO_UNIQUEID
# is the unique identifier of the associated IKE_SA
@@ -66,15 +66,6 @@
# host's own IP address / max (where max is 32 for
# IPv4 and 128 for IPv6).
#
# PLUTO_MY_CLIENT_NET
# is the IP address of our client net. If the client
# is just the host, this will be the host's own IP
# address.
#
# PLUTO_MY_CLIENT_MASK
# is the mask for our client net. If the client is
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
# PLUTO_MY_SOURCEIP4_$i
# PLUTO_MY_SOURCEIP6_$i
@@ -88,7 +79,8 @@
#
# PLUTO_MY_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on our side.
# restricted on our side. For ICMP/ICMPv6 this contains the
# message type, and PLUTO_PEER_PORT the message code.
#
# PLUTO_PEER
# is the IP address of our peer.
@@ -96,31 +88,19 @@
# PLUTO_PEER_ID
# is the ID of our peer.
#
# PLUTO_PEER_CA
# is the CA which issued the cert of our peer.
#
# PLUTO_PEER_CLIENT
# is the IP address / count of the peer's client sub-
# net. If the client is just the peer, this will be
# the peer's own IP address / max (where max is 32
# for IPv4 and 128 for IPv6).
#
# PLUTO_PEER_CLIENT_NET
# is the IP address of the peer's client net. If the
# client is just the peer, this will be the peer's
# own IP address.
#
# PLUTO_PEER_CLIENT_MASK
# is the mask for the peer's client net. If the
# client is just the peer, this will be
# 255.255.255.255.
#
# PLUTO_PEER_PROTOCOL
# is the IP protocol that will be transported.
#
# PLUTO_PEER_PORT
# is the UDP/TCP port to which the IPsec SA is
# restricted on the peer side.
# restricted on the peer side. For ICMP/ICMPv6 this contains the
# message code, and PLUTO_MY_PORT the message type.
#
# PLUTO_XAUTH_ID
# is an optional user ID employed by the XAUTH protocol
@@ -146,7 +126,7 @@
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
export PATH
# uncomment to log VPN connections
# comment to disable logging VPN connections to syslog
VPN_LOGGING=1
#
# tag put in front of each log entry:
@@ -160,21 +140,11 @@ FAC_PRIO=local0.notice
#
# local0.notice -/var/log/vpn
# in order to use source IP routing the Linux kernel options
# CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_MULTIPLE_TABLES
# must be enabled
#
# special routing table for sourceip routes
SOURCEIP_ROUTING_TABLE=220
#
# priority of the sourceip routing table
SOURCEIP_ROUTING_TABLE_PRIO=220
# check interface version
case "$PLUTO_VERSION" in
1.[0|1]) # Older Pluto?!? Play it safe, script may be using new features.
1.[0|1]) # Older release?!? Play it safe, script may be using new features.
echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
echo "$0: called by obsolete Pluto?" >&2
echo "$0: called by obsolete release?" >&2
exit 2
;;
1.*) ;;
@@ -196,190 +166,52 @@ custom:*) # custom parameters (see above CAUTION comment)
;;
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
}
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"
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 esp --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
S_MY_PORT="--sport $PLUTO_MY_PORT"
D_MY_PORT="--dport $PLUTO_MY_PORT"
if [ -n "$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
S_PEER_PORT="--sport $PLUTO_PEER_PORT"
D_PEER_PORT="--dport $PLUTO_PEER_PORT"
if [ -n "$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.
@@ -395,7 +227,7 @@ down-host:)
# connection to me going down
# If you are doing a custom version, firewall commands go here.
PLUTO_INTERFACE=ipsec0
iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
-d $PLUTO_ME $D_MY_PORT -j ACCEPT
iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
@@ -406,8 +238,8 @@ up-client:)
# connection to my client subnet coming up
# If you are doing a custom version, firewall commands go here.
PLUTO_INTERFACE=ipsec0
if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/32" ]
then
if [ "$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 $D_PEER_PORT -j ACCEPT
@@ -444,7 +276,7 @@ down-client:)
if [ -n "$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 \
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
-d $PLUTO_MY_CLIENT $D_MY_PORT -j ACCEPT
iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
-s $PLUTO_MY_CLIENT $S_MY_PORT \
@@ -462,6 +294,14 @@ up-host:iptables)
-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
@@ -486,6 +326,13 @@ down-host:iptables)
-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
@@ -525,6 +372,15 @@ up-client:iptables)
-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
@@ -568,6 +424,13 @@ down-client:iptables)
$IPSEC_POLICY_OUT -j ACCEPT
fi
#
# IPIP exception teardown
if [ -n "$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
@@ -584,16 +447,6 @@ down-client:iptables)
#
# 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.