604 lines
21 KiB
Bash
Executable File
604 lines
21 KiB
Bash
Executable File
#!/bin/sh
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# default updown script
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#
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# Copyright (C) 2003-2004 Nigel Meteringham
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# Copyright (C) 2003-2004 Tuomo Soini
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# Copyright (C) 2002-2004 Michael Richardson
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# Copyright (C) 2005-2007 Andreas Steffen <andreas.steffen@strongswan.org>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for more details.
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# CAUTION: Installing a new version of strongSwan will install a new
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# copy of this script, wiping out any custom changes you make. If
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# you need changes, make a copy of this under another name, and customize
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# that, and use the (left/right)updown parameters in ipsec.conf to make
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# strongSwan use yours instead of this default one.
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# PLUTO_VERSION
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# indicates what version of this interface is being
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# used. This document describes version 1.1. This
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# is upwardly compatible with version 1.0.
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#
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# PLUTO_VERB
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# specifies the name of the operation to be performed
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# (prepare-host, prepare-client, up-host, up-client,
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# down-host, or down-client). If the address family
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# for security gateway to security gateway communica-
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# tions is IPv6, then a suffix of -v6 is added to the
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# verb.
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#
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# PLUTO_CONNECTION
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# is the name of the connection for which we are
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# routing.
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#
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# PLUTO_INTERFACE
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# is the name of the ipsec interface to be used.
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#
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# PLUTO_REQID
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# is the reqid of the AH|ESP policy
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#
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# PLUTO_PROTO
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# is the negotiated IPsec protocol, ah|esp
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#
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# PLUTO_IPCOMP
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# is not empty if IPComp was negotiated
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#
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# PLUTO_UNIQUEID
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# is the unique identifier of the associated IKE_SA
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#
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# PLUTO_ME
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# is the IP address of our host.
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#
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# PLUTO_MY_ID
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# is the ID of our host.
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#
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# PLUTO_MY_CLIENT
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# is the IP address / count of our client subnet. If
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# the client is just the host, this will be the
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# host's own IP address / max (where max is 32 for
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# IPv4 and 128 for IPv6).
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#
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# PLUTO_MY_SOURCEIP
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# PLUTO_MY_SOURCEIP4_$i
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# PLUTO_MY_SOURCEIP6_$i
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# contains IPv4/IPv6 virtual IP received from a responder,
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# $i enumerates from 1 to the number of IP per address family.
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# PLUTO_MY_SOURCEIP is a legacy variable and equal to the first
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# virtual IP, IPv4 or IPv6.
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#
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# PLUTO_MY_PROTOCOL
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# is the IP protocol that will be transported.
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#
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# PLUTO_MY_PORT
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# is the UDP/TCP port to which the IPsec SA is
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# restricted on our side. For ICMP/ICMPv6 this contains the
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# message type, and PLUTO_PEER_PORT the message code.
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#
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# PLUTO_PEER
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# is the IP address of our peer.
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#
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# PLUTO_PEER_ID
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# is the ID of our peer.
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#
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# PLUTO_PEER_CLIENT
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# is the IP address / count of the peer's client sub-
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# net. If the client is just the peer, this will be
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# the peer's own IP address / max (where max is 32
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# for IPv4 and 128 for IPv6).
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#
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# PLUTO_PEER_SOURCEIP
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# PLUTO_PEER_SOURCEIP4_$i
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# PLUTO_PEER_SOURCEIP6_$i
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# contains IPv4/IPv6 virtual IP sent to an initiator,
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# $i enumerates from 1 to the number of IP per address family.
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# PLUTO_PEER_SOURCEIP is a legacy variable and equal to the first
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# virtual IP, IPv4 or IPv6.
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#
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# PLUTO_PEER_PROTOCOL
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# is the IP protocol that will be transported.
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#
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# PLUTO_PEER_PORT
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# is the UDP/TCP port to which the IPsec SA is
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# restricted on the peer side. For ICMP/ICMPv6 this contains the
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# message code, and PLUTO_MY_PORT the message type.
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#
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# PLUTO_XAUTH_ID
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# is an optional user ID employed by the XAUTH protocol
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#
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# PLUTO_MARK_IN
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# is an optional XFRM mark set on the inbound IPsec SA
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#
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# PLUTO_MARK_OUT
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# is an optional XFRM mark set on the outbound IPsec SA
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#
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# PLUTO_IF_ID_IN
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# is an optional XFRM interface ID set on the inbound IPsec SA
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#
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# PLUTO_IF_ID_OUT
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# is an optional XFRM interface ID set on the outbound IPsec SA
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#
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# PLUTO_UDP_ENC
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# contains the remote UDP port in the case of ESP_IN_UDP
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# encapsulation
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#
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# PLUTO_DNS4_$i
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# PLUTO_DNS6_$i
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# contains IPv4/IPv6 DNS server attribute received from a
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# responder, $i enumerates from 1 to the number of servers per
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# address family.
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#
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# define a minimum PATH environment in case it is not set
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PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
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export PATH
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# comment to disable logging VPN connections to syslog
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VPN_LOGGING=1
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#
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# tag put in front of each log entry:
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TAG=vpn
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#
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# syslog facility and priority used:
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FAC_PRIO=local0.notice
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#
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# to create a special vpn logging file, put the following line into
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# the syslog configuration file /etc/syslog.conf:
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#
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# local0.notice -/var/log/vpn
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# check interface version
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case "$PLUTO_VERSION" in
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1.[0|1]) # Older release?!? Play it safe, script may be using new features.
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echo "$0: obsolete interface version \`$PLUTO_VERSION'," >&2
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echo "$0: called by obsolete release?" >&2
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exit 2
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;;
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1.*) ;;
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*) echo "$0: unknown interface version \`$PLUTO_VERSION'" >&2
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exit 2
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;;
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esac
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# check parameter(s)
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case "$1:$*" in
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':') # no parameters
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;;
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iptables:iptables) # due to (left/right)firewall; for default script only
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;;
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custom:*) # custom parameters (see above CAUTION comment)
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;;
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*) echo "$0: unknown parameters \`$*'" >&2
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exit 2
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;;
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esac
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IPSEC_POLICY="-m policy --pol ipsec --proto $PLUTO_PROTO --reqid $PLUTO_REQID"
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IPSEC_POLICY_IN="$IPSEC_POLICY --dir in"
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IPSEC_POLICY_OUT="$IPSEC_POLICY --dir out"
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# use protocol specific options to set ports
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case "$PLUTO_MY_PROTOCOL" in
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1) # ICMP
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ICMP_TYPE_OPTION="--icmp-type"
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;;
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58) # ICMPv6
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ICMP_TYPE_OPTION="--icmpv6-type"
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;;
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*)
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;;
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esac
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# are there port numbers?
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if [ "$PLUTO_MY_PORT" != 0 ]
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then
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if [ -n "$ICMP_TYPE_OPTION" ]
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then
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S_MY_PORT="$ICMP_TYPE_OPTION $PLUTO_MY_PORT"
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D_MY_PORT="$ICMP_TYPE_OPTION $PLUTO_MY_PORT"
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else
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S_MY_PORT="--sport $PLUTO_MY_PORT"
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D_MY_PORT="--dport $PLUTO_MY_PORT"
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fi
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fi
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if [ "$PLUTO_PEER_PORT" != 0 ]
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then
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if [ -n "$ICMP_TYPE_OPTION" ]
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then
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# the syntax is --icmp[v6]-type type[/code], so add it to the existing option
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S_MY_PORT="$S_MY_PORT/$PLUTO_PEER_PORT"
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D_MY_PORT="$D_MY_PORT/$PLUTO_PEER_PORT"
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else
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S_PEER_PORT="--sport $PLUTO_PEER_PORT"
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D_PEER_PORT="--dport $PLUTO_PEER_PORT"
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fi
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fi
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# resolve octal escape sequences
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PLUTO_MY_ID=`printf "$PLUTO_MY_ID"`
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PLUTO_PEER_ID=`printf "$PLUTO_PEER_ID"`
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case "$PLUTO_VERB:$1" in
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up-host:)
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# connection to me coming up
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# If you are doing a custom version, firewall commands go here.
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;;
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down-host:)
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# connection to me going down
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# If you are doing a custom version, firewall commands go here.
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;;
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up-client:)
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# connection to my client subnet coming up
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# If you are doing a custom version, firewall commands go here.
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PLUTO_INTERFACE=ipsec0
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iptables -I FORWARD 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
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-s $PLUTO_MY_CLIENT $S_MY_PORT \
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-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
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iptables -I FORWARD 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
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-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
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-d $PLUTO_MY_CLIENT $D_MY_PORT -j ACCEPT
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;;
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down-client:)
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# connection to my client subnet going down
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# If you are doing a custom version, firewall commands go here.
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PLUTO_INTERFACE=ipsec0
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iptables -D FORWARD -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
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-s $PLUTO_MY_CLIENT $S_MY_PORT \
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-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
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iptables -D FORWARD -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
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-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
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-d $PLUTO_MY_CLIENT $D_MY_PORT -j ACCEPT
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;;
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up-host:iptables)
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# connection to me, with (left/right)firewall=yes, coming up
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# This is used only by the default updown script, not by your custom
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# ones, so do not mess with it; see CAUTION comment up at top.
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iptables -I INPUT 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
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-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
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-d $PLUTO_ME $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
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iptables -I OUTPUT 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
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-s $PLUTO_ME $S_MY_PORT $IPSEC_POLICY_OUT \
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-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
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#
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# allow IPIP traffic because of the implicit SA created by the kernel if
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# IPComp is used (for small inbound packets that are not compressed)
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if [ -n "$PLUTO_IPCOMP" ]
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then
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iptables -I INPUT 1 -i $PLUTO_INTERFACE -p 4 \
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-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
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fi
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#
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# log IPsec host connection setup
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if [ $VPN_LOGGING ]
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then
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if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/32" ]
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then
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logger -t $TAG -p $FAC_PRIO \
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"+ $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME"
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else
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logger -t $TAG -p $FAC_PRIO \
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"+ $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME"
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fi
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fi
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;;
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down-host:iptables)
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# connection to me, with (left/right)firewall=yes, going down
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# This is used only by the default updown script, not by your custom
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# ones, so do not mess with it; see CAUTION comment up at top.
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iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
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-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
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-d $PLUTO_ME $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
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iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
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-s $PLUTO_ME $S_MY_PORT $IPSEC_POLICY_OUT \
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-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
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#
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# IPIP exception teardown
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if [ -n "$PLUTO_IPCOMP" ]
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then
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iptables -D INPUT -i $PLUTO_INTERFACE -p 4 \
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-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
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fi
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#
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# log IPsec host connection teardown
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if [ $VPN_LOGGING ]
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then
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if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/32" ]
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then
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logger -t $TAG -p $FAC_PRIO -- \
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"- $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME"
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else
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logger -t $TAG -p $FAC_PRIO -- \
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"- $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME"
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fi
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fi
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;;
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up-client:iptables)
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# connection to client subnet, with (left/right)firewall=yes, coming up
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# This is used only by the default updown script, not by your custom
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# ones, so do not mess with it; see CAUTION comment up at top.
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if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/32" ]
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then
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iptables -I FORWARD 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
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-s $PLUTO_MY_CLIENT $S_MY_PORT \
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-d $PLUTO_PEER_CLIENT $D_PEER_PORT $IPSEC_POLICY_OUT -j ACCEPT
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iptables -I FORWARD 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
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-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
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-d $PLUTO_MY_CLIENT $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
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fi
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#
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# a virtual IP requires an INPUT and OUTPUT rule on the host
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# or sometimes host access via the internal IP is needed
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if [ -n "$PLUTO_MY_SOURCEIP" -o -n "$PLUTO_HOST_ACCESS" ]
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then
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iptables -I INPUT 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
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-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
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-d $PLUTO_MY_CLIENT $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
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iptables -I OUTPUT 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
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-s $PLUTO_MY_CLIENT $S_MY_PORT \
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-d $PLUTO_PEER_CLIENT $D_PEER_PORT $IPSEC_POLICY_OUT -j ACCEPT
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fi
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#
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# allow IPIP traffic because of the implicit SA created by the kernel if
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# IPComp is used (for small inbound packets that are not compressed).
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# INPUT is correct here even for forwarded traffic.
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if [ -n "$PLUTO_IPCOMP" ]
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then
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iptables -I INPUT 1 -i $PLUTO_INTERFACE -p 4 \
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-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
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fi
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#
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# log IPsec client connection setup
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if [ $VPN_LOGGING ]
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then
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if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/32" ]
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then
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logger -t $TAG -p $FAC_PRIO \
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"+ $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
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else
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logger -t $TAG -p $FAC_PRIO \
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"+ $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
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fi
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fi
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;;
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down-client:iptables)
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# connection to client subnet, with (left/right)firewall=yes, going down
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# This is used only by the default updown script, not by your custom
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# ones, so do not mess with it; see CAUTION comment up at top.
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if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/32" ]
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then
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iptables -D FORWARD -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
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-s $PLUTO_MY_CLIENT $S_MY_PORT \
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-d $PLUTO_PEER_CLIENT $D_PEER_PORT \
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$IPSEC_POLICY_OUT -j ACCEPT
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iptables -D FORWARD -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
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-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
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-d $PLUTO_MY_CLIENT $D_MY_PORT \
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$IPSEC_POLICY_IN -j ACCEPT
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fi
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#
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# a virtual IP requires an INPUT and OUTPUT rule on the host
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# or sometimes host access via the internal IP is needed
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if [ -n "$PLUTO_MY_SOURCEIP" -o -n "$PLUTO_HOST_ACCESS" ]
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then
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iptables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
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-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
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-d $PLUTO_MY_CLIENT $D_MY_PORT \
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$IPSEC_POLICY_IN -j ACCEPT
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iptables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
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-s $PLUTO_MY_CLIENT $S_MY_PORT \
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-d $PLUTO_PEER_CLIENT $D_PEER_PORT \
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$IPSEC_POLICY_OUT -j ACCEPT
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fi
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#
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# IPIP exception teardown
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if [ -n "$PLUTO_IPCOMP" ]
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then
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iptables -D INPUT -i $PLUTO_INTERFACE -p 4 \
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-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
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fi
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#
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# log IPsec client connection teardown
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if [ $VPN_LOGGING ]
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then
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if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/32" ]
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then
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logger -t $TAG -p $FAC_PRIO -- \
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"- $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
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else
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logger -t $TAG -p $FAC_PRIO -- \
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"- $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
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fi
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fi
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;;
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#
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# IPv6
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#
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up-host-v6:)
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# connection to me coming up
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# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
down-host-v6:)
|
|
# connection to me going down
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
up-client-v6:)
|
|
# connection to my client subnet coming up
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
down-client-v6:)
|
|
# connection to my client subnet going down
|
|
# If you are doing a custom version, firewall commands go here.
|
|
;;
|
|
up-host-v6:iptables)
|
|
# connection to me, with (left/right)firewall=yes, coming up
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
ip6tables -I INPUT 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_ME $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
ip6tables -I OUTPUT 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_ME $S_MY_PORT $IPSEC_POLICY_OUT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
|
|
#
|
|
# allow IP6IP6 traffic because of the implicit SA created by the kernel if
|
|
# IPComp is used (for small inbound packets that are not compressed)
|
|
if [ -n "$PLUTO_IPCOMP" ]
|
|
then
|
|
ip6tables -I INPUT 1 -i $PLUTO_INTERFACE -p 41 \
|
|
-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec host connection setup
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/128" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME"
|
|
fi
|
|
fi
|
|
;;
|
|
down-host-v6:iptables)
|
|
# connection to me, with (left/right)firewall=yes, going down
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
ip6tables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_ME $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
ip6tables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_ME $S_MY_PORT $IPSEC_POLICY_OUT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT -j ACCEPT
|
|
#
|
|
# IP6IP6 exception teardown
|
|
if [ -n "$PLUTO_IPCOMP" ]
|
|
then
|
|
ip6tables -D INPUT -i $PLUTO_INTERFACE -p 41 \
|
|
-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec host connection teardown
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/128" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME"
|
|
fi
|
|
fi
|
|
;;
|
|
up-client-v6:iptables)
|
|
# connection to client subnet, with (left/right)firewall=yes, coming up
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/128" ]
|
|
then
|
|
ip6tables -I FORWARD 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT $IPSEC_POLICY_OUT -j ACCEPT
|
|
ip6tables -I FORWARD 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# a virtual IP requires an INPUT and OUTPUT rule on the host
|
|
# or sometimes host access via the internal IP is needed
|
|
if [ -n "$PLUTO_MY_SOURCEIP" -o -n "$PLUTO_HOST_ACCESS" ]
|
|
then
|
|
ip6tables -I INPUT 1 -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT $IPSEC_POLICY_IN -j ACCEPT
|
|
ip6tables -I OUTPUT 1 -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT $IPSEC_POLICY_OUT -j ACCEPT
|
|
fi
|
|
#
|
|
# allow IP6IP6 traffic because of the implicit SA created by the kernel if
|
|
# IPComp is used (for small inbound packets that are not compressed).
|
|
# INPUT is correct here even for forwarded traffic.
|
|
if [ -n "$PLUTO_IPCOMP" ]
|
|
then
|
|
ip6tables -I INPUT 1 -i $PLUTO_INTERFACE -p 41 \
|
|
-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec client connection setup
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/128" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO \
|
|
"+ $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
fi
|
|
fi
|
|
;;
|
|
down-client-v6:iptables)
|
|
# connection to client subnet, with (left/right)firewall=yes, going down
|
|
# This is used only by the default updown script, not by your custom
|
|
# ones, so do not mess with it; see CAUTION comment up at top.
|
|
if [ "$PLUTO_PEER_CLIENT" != "$PLUTO_MY_SOURCEIP/128" ]
|
|
then
|
|
ip6tables -D FORWARD -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT \
|
|
$IPSEC_POLICY_OUT -j ACCEPT
|
|
ip6tables -D FORWARD -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT \
|
|
$IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# a virtual IP requires an INPUT and OUTPUT rule on the host
|
|
# or sometimes host access via the internal IP is needed
|
|
if [ -n "$PLUTO_MY_SOURCEIP" -o -n "$PLUTO_HOST_ACCESS" ]
|
|
then
|
|
ip6tables -D INPUT -i $PLUTO_INTERFACE -p $PLUTO_MY_PROTOCOL \
|
|
-s $PLUTO_PEER_CLIENT $S_PEER_PORT \
|
|
-d $PLUTO_MY_CLIENT $D_MY_PORT \
|
|
$IPSEC_POLICY_IN -j ACCEPT
|
|
ip6tables -D OUTPUT -o $PLUTO_INTERFACE -p $PLUTO_PEER_PROTOCOL \
|
|
-s $PLUTO_MY_CLIENT $S_MY_PORT \
|
|
-d $PLUTO_PEER_CLIENT $D_PEER_PORT \
|
|
$IPSEC_POLICY_OUT -j ACCEPT
|
|
fi
|
|
#
|
|
# IP6IP6 exception teardown
|
|
if [ -n "$PLUTO_IPCOMP" ]
|
|
then
|
|
ip6tables -D INPUT -i $PLUTO_INTERFACE -p 41 \
|
|
-s $PLUTO_PEER -d $PLUTO_ME $IPSEC_POLICY_IN -j ACCEPT
|
|
fi
|
|
#
|
|
# log IPsec client connection teardown
|
|
if [ $VPN_LOGGING ]
|
|
then
|
|
if [ "$PLUTO_PEER_CLIENT" = "$PLUTO_PEER/128" ]
|
|
then
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
else
|
|
logger -t $TAG -p $FAC_PRIO -- \
|
|
"- $PLUTO_PEER_ID $PLUTO_PEER_CLIENT == $PLUTO_PEER -- $PLUTO_ME == $PLUTO_MY_CLIENT"
|
|
fi
|
|
fi
|
|
;;
|
|
*) echo "$0: unknown verb \`$PLUTO_VERB' or parameter \`$1'" >&2
|
|
exit 1
|
|
;;
|
|
esac
|