-#!/bin/sh
-##################################################
-##### VPN-Watch.sh Version 1.6.3 #####
-##################################################
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
+#!/bin/sh
+# IPsec startup and shutdown script
+# Copyright (C) 1998, 1999, 2001 Henry Spencer.
+# Copyright (C) 2002 Michael Richardson <mcr@freeswan.org>
#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# Written by: Daniel Berlin <daniel.berlin@itechnology.de>.
-# Download: http://www.itechnology.de/front_content.php?idcat=87
-#
-
-# changed by: Rüdiger Sobeck
-# last changed: 31-01-2006
-
-# Configuration
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2 of the License, or (at your
+# option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
#
-CHECK_INTERVAL='120' # Check this often (in seconds)
-DNS_RESOLVE_TRIES='3' # Try to resolve IPs this often (each try takes max. 2 seconds)
-NICENESS='+5' # Adjust niceness of child processes: '-20' ... '+19'; '0' is default
-ipfire_VPN_CONFIG='/var/ipfire/vpn/config' # Location of ipfire's vpn configuration file
-ipfire_VPN_SETTINGS='/var/ipfire/vpn/settings' # Location of ipfire's vpn settings file
-VERSION='1.6.3'
-
-# Workaround for nonexistent "nl" command on ipfire 1.4.x
-nl --help >/dev/null 2>&1
-if test $? -ne 0; then
- alias nl='cat'
-fi
-
-MyHost=`grep VPN_IP /var/ipfire/vpn/settings | cut --delimiter='=' --output-delimiter=' ' -f2`
-MyIP=`cat /var/ipfire/red/local-ipaddress`
-MyDynDnsIP=`ping -c 1 "$1" 2>/dev/null | head -n1 | awk '{print $3}' | tr -d '()' | tr -d ':'`
-
-case "$1" in
- 'start' | '--start')
- if test ! -r "$ipfire_VPN_CONFIG"; then
- echo 'Error: cannot read ipfire VPN configuration file; exit.' >&2
- exit 1
- fi
-
- mknod -m 0660 "/var/run/$(basename $0)" p >/dev/null 2>&1 # Create pipe for status-information
-
- # Read VPN configuration and fork a child process for each VPN connection
- #
- while read line; do
- VPN=($(echo $line | cut --delimiter=',' --output-delimiter=' ' -f1,2,3,5,6,12)) #
- CONNR=${VPN[0]} # connection number
- CONACTIVE=${VPN[1]} # active (on|off)
- CONNAME=${VPN[2]} # connection name
- CONTYPE=${VPN[3]} # connection type (host|net)
- CONCERTPSK=${VPN[4]} # key type (cert|psk)
- CONDNSNAME=${VPN[5]} # FQDN name of other side
-
- echo -n "${CONACTIVE}" | grep -qi '^off$' && continue # Ignore: deactivated connections
- echo -n "${CONTYPE}" | grep -qi '^host$' && continue # Ignore: Roadwarriors (->DPD)
-# echo -n "${VPN[1]}${MyHost}" | grep -q '^[[:digit:]\.]\+$' && continue # Ignore: "left" and "right" side set to an IP
-
- $0 'conn:' "${CONNAME}" "${MyHost}" "${CONDNSNAME}" "${CONNR}" >/dev/null 2>&1 & # Fork child process (parameters: "conn: NAME LEFT RIGHT NUMBER")
- echo -n 'S'
- done < "$ipfire_VPN_CONFIG"
- echo Â"ÂStarte VPN-Watch"
- exit 0 # Parent dies here... RIP
- ;;
- 'stop' | '--stop')
- # Terminate processes
- for proc in $(pidof -x -o %PPID $(basename $0)); do
- kill -15 $proc
- echo -n 'T'
- done
- sleep 1
- # Kill remaining processes
- for proc in $(pidof -x -o %PPID $(basename $0)); do
- kill -9 $proc
- echo -n 'K'
- done
- rm -f "/var/run/$(basename $0)" # Remove pipe
- echo "Stoppe VPN-Watch"
- exit 0
- ;;
- 'restart' | '--restart')
- $0 stop
- $0 start
- exit 0
- ;;
- 'status' | '--status')
- echo "VPN-Watch ${VERSION} (mail: daniel@itechnology.de, web: www.itechnology.de/vpn-watch)"
- if ps --no-heading axw | grep -v 'grep' | grep -q "$(basename $0) conn: "; then
- trap '' USR1
- killall -q -g -s USR1 -- $(basename $0)
- sleep 1
- cat "/var/run/$(basename $0)" | sort | nl # Read children's info from pipe
- else
- echo ' no instances running.'
- fi
- exit 0
- ;;
- 'conn:')
- # Children proceed here...
- renice ${NICENESS:-0} -p $$ >/dev/null 2>&1 # Adjust niceness
- shift # Remove the first positional parameter ("conn:"), as we don't need it anymore
- ;;
- *)
- echo "Usage: $0 { start | stop | restart | status }" >&2
- exit 1
- ;;
-esac
-
-# Logging, signal handlers
-#
-alias log="logger -t '$(basename $0 | cut -d '.' -f 1) ${VERSION}' \(${1}\)"
-trap 'log "terminated after ${RESTART_COUNT} restarts."' EXIT
-trap 'echo "connection \"${1}\" restarted ${RESTART_COUNT} times" >>/var/run/$(basename $0)' USR1
-
-log "started"
-
-# Get IP of a FQDN... using 'arp', 'traceroute' or 'ping',
-# because ipfire has no 'nslookup', 'host' or 'dig' command.
-#
-function get_ip () {
- local RESULT=''
- for ((i=1; ${i} <= ${DNS_RESOLVE_TRIES}; i++)); do
- if which arp >/dev/null 2>&1; then
- RESULT=$(arp "$1" 2>/dev/null | awk '{ print $2 }' | tr -d '()')
- elif which traceroute >/dev/null 2>&1; then
- RESULT=$(traceroute -m1 -q1 "$1" 2>/dev/null | head -n1 | awk '{ print $4 }' | tr -d '(),')
- else
- RESULT=$(ping -c 1 "$1" 2>/dev/null | head -n1 | awk '{print $3}' | tr -d '()' | tr -d ':')
- fi
- test -n "$RESULT" && break
- done
- test -z "$RESULT" && log "Warning: could not resolve ${1} after ${DNS_RESOLVE_TRIES} tries..."
- echo -n "$RESULT"
-}
-
-function get_tunnelip () {
- file=/var/tmp/$1.remoteip
- local TRESULT=''
- TVPN=`grep "$1" /var/ipfire/vpn/config| awk 'BEGIN{FS=","}{print $2}'`
- DYNHOST=`grep "$1" /var/ipfire/vpn/config| awk 'BEGIN{FS=","}{print $12}'`
- CONNR=`grep "$1" /var/ipfire/vpn/config| awk 'BEGIN{FS=","}{print $1}'`
- REMOTEIP=`/usr/bin/ping -c 1 "$DYNHOST" 2>/dev/null | head -n1 | awk '{print $3}' | tr -d '()' | tr -d ':'`
- if ! test -f $file; then
- cat $REMOTEIP > $file
- fi
- OLDIP=`cat $file`
- TUNIP=`ipsec whack --status | grep "$1"`
- if [ "$TUNIP" != "" ]; then
- TUNIP=`ipsec whack --status | grep "$1" | awk 'BEGIN{FS="["}{print $2}' | awk 'BEGIN{FS="---"}{print $3}'`
- log "currently used tunnel IP = $TUNIP, current remote IP = $REMOTEIP"
- echo $REMOTEIP > $file
- TRESULT=${TUNIP}
- fi
-
- test -n "$TRESULT" && break
- test -z "$TRESULT" && log "Warning: could not retrieve last used VPN tunnel IP..."
- echo -n "$TRESULT"
-}
-
-# Restarts a VPN connection
-#
-function restart_vpn () {
- if test -x /usr/local/bin/ipsecctrl; then
- /usr/local/bin/ipsecctrl D "$1" # This works for ipfire 1.4.x
- /usr/local/bin/ipsecctrl R # re-read secrets
- /usr/local/bin/ipsecctrl S "$1" # start tunnel
- else
- ipsec auto --down "$1" # This works for ipfire 1.3.x
- ipsec auto --unroute "$1"
- ipsec auto --delete "$1"
- ipsec auto --rereadall
- ipsec auto --add "$1"
- ipsec auto --route "$1"
- ipsec auto --up "$1"
- fi
-}
-
-# Get left and right IP
-#
-LEFT_IP_OLD=$MyIP
-RIGHT_IP_OLD=$(get_ip $3)
-
-# Infinite loop; checks, whether the IP of a left or right FQDN has changed.
-# If so, the affected connection gets restarted; this is logged to syslog.
-#
-RESTART_COUNT=0
-while :; do
- sleep $CHECK_INTERVAL
-
- # Skip check until IPSec is running
- ipsec auto --status >/dev/null 2>&1 || continue
-
- # get own IP (may have changed)
- ThisHostIP=`cat /var/ipfire/red/local-ipaddress`
-
- # this our own IP as reported in /var/ipfire/ppp/local-ipadress
- LEFT_IP_NEW=$ThisHostIP
- # check our own DYNDNS IP
- LEFT_IP_DYN=$(get_ip $MyHost)
- # this is DYNDNS IP of other side
- RIGHT_IP_NEW=$(get_ip $3)
- # this the last used (right) IP for VPN-Tunnel
- RIGHT_TUN_IP_OLD=$(get_tunnelip $1)
-
-# for whatever reason, ipsec did not notice our own IP has changed for this connection
- if [ "${LEFT_IP_NEW}" != "${LEFT_IP_DYN}" ]; then
- restart_vpn "$4"
- let RESTART_COUNT++
- log "Red IP = $LEFT_IP_NEW, IP by DynDNS = $LEFT_IP_DYN"
- log 'incorrect dynamic IP in tunnel used: restarting connection...'
- fi
-
-# left or right IP has changed...
- if test "${LEFT_IP_OLD} ${RIGHT_IP_OLD}" != "${LEFT_IP_NEW} ${RIGHT_IP_NEW}"; then
- restart_vpn "$4"
- let RESTART_COUNT++
- log 'left or right IP has changed: restarting connection...'
- fi
-
-# right IP / IP of tunnel endpoint has changed...
- if [ "$RIGHT_TUN_IP_OLD" != "" ]; then
- if test "${RIGHT_TUN_IP_OLD}" != "${RIGHT_IP_NEW}"; then
- restart_vpn "$4"
- let RESTART_COUNT++
- log 'VPN tunnel IP has changed: restarting connection...'
- fi
- fi
-
- LEFT_IP_OLD=$LEFT_IP_NEW
- RIGHT_IP_OLD=$RIGHT_IP_NEW
-done
-
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+# for more details.
+#
+# RCSID $Id: setup.in,v 1.122.6.3 2006/10/26 23:54:32 paul Exp $
+#
+# ipsec init.d script for starting and stopping
+# the IPsec security subsystem (KLIPS and Pluto).
+#
+# This script becomes /etc/rc.d/init.d/ipsec (or possibly /etc/init.d/ipsec)
+# and is also accessible as "ipsec setup" (the preferred route for human
+# invocation).
+#
+# The startup and shutdown times are a difficult compromise (in particular,
+# it is almost impossible to reconcile them with the insanely early/late
+# times of NFS filesystem startup/shutdown). Startup is after startup of
+# syslog and pcmcia support; shutdown is just before shutdown of syslog.
+#
+# chkconfig: 2345 47 76
+# description: IPsec provides encrypted and authenticated communications; \
+# KLIPS is the kernel half of it, Pluto is the user-level management daemon.
+
+me='ipsec setup' # for messages
+
+# where the private directory and the config files are
+IPSEC_EXECDIR="${IPSEC_EXECDIR-/usr/libexec/ipsec}"
+IPSEC_LIBDIR="${IPSEC_LIBDIR-/usr/lib/ipsec}"
+IPSEC_SBINDIR="${IPSEC_SBINDIR-/usr/sbin}"
+IPSEC_CONFS="${IPSEC_CONFS-/etc}"
+
+if test " $IPSEC_DIR" = " " # if we were not called by the ipsec command
+then
+ # we must establish a suitable PATH ourselves
+ PATH="${IPSEC_SBINDIR}":/sbin:/usr/sbin:/usr/local/bin:/bin:/usr/bin
+ export PATH
+
+ IPSEC_DIR="$IPSEC_LIBDIR"
+ export IPSEC_DIR IPSEC_CONFS IPSEC_LIBDIR IPSEC_EXECDIR
+fi
+
+# Check that the ipsec command is available.
+found=
+for dir in `echo $PATH | tr ':' ' '`
+do
+ if test -f $dir/ipsec -a -x $dir/ipsec
+ then
+ found=yes
+ break # NOTE BREAK OUT
+ fi
+done
+if ! test "$found"
+then
+ echo "cannot find ipsec command -- \`$1' aborted" |
+ logger -s -p daemon.error -t ipsec_setup
+ exit 1
+fi
+
+# accept a few flags
+
+export IPSEC_setupflags
+IPSEC_setupflags=""
+
+config=""
+
+for dummy
+do
+ case "$1" in
+ --showonly|--show) IPSEC_setupflags="$1" ;;
+ --config) config="--config $2" ; shift ;;
+ *) break ;;
+ esac
+ shift
+done
+
+
+# Pick up IPsec configuration (until we have done this, successfully, we
+# do not know where errors should go, hence the explicit "daemon.error"s.)
+# Note the "--export", which exports the variables created.
+eval `ipsec _confread $config --optional --varprefix IPSEC --export --type config setup`
+
+if test " $IPSEC_confreadstatus" != " "
+then
+ case $1 in
+ stop|--stop|_autostop)
+ echo "$IPSEC_confreadstatus -- \`$1' may not work" |
+ logger -s -p daemon.error -t ipsec_setup;;
+
+ *) echo "$IPSEC_confreadstatus -- \`$1' aborted" |
+ logger -s -p daemon.error -t ipsec_setup;
+ exit 1;;
+ esac
+fi
+
+IPSEC_confreadsection=${IPSEC_confreadsection:-setup}
+export IPSEC_confreadsection
+
+IPSECsyslog=${IPSECsyslog-daemon.error}
+export IPSECsyslog
+
+# misc setup
+umask 022
+
+mkdir -p /var/run/pluto
+
+
+# do it
+case "$1" in
+ start|--start|stop|--stop|_autostop|_autostart)
+ wanttodo=$1
+ if test " `id -u`" != " 0"
+ then
+ echo "permission denied (must be superuser)" |
+ logger -s -p $IPSECsyslog -t ipsec_setup 2>&1
+ exit 1
+ fi
+ tmp=/var/run/pluto/ipsec_setup.st
+ outtmp=/var/run/pluto/ipsec_setup.out
+ (
+ ipsec _realsetup $1
+ echo "$?" >$tmp
+ ) > ${outtmp} 2>&1
+ st=$?
+ if test -f $tmp
+ then
+ st=`cat $tmp`
+ rm -f $tmp
+ fi
+ if [ -f ${outtmp} ]; then
+ cat ${outtmp} | logger -s -p $IPSECsyslog -t ipsec_setup 2>&1
+ rm -f ${outtmp}
+ fi
+ if [ "$wanttodo" = "start" -o "$wanttodo" = "--start" -o "$wanttodo" = "_autostart" ]; then
+ sleep 20 && chown root:nobody /var/run/pluto -R && chmod 770 /var/run/pluto -R && ln -f /var/run/pluto/pluto.pid /var/run/pluto.pid 2>&1 &
+ fi
+ exit $st
+ ;;
+
+ restart|--restart|force-reload)
+ $0 $IPSEC_setupflags stop
+ $0 $IPSEC_setupflags start
+ ;;
+
+ _autorestart) # for internal use only
+ $0 $IPSEC_setupflags _autostop
+ $0 $IPSEC_setupflags _autostart
+ ;;
+
+ status|--status)
+ ipsec _realsetup $1
+ exit
+ ;;
+
+ --version)
+ echo "$me $IPSEC_VERSION"
+ exit 0
+ ;;
+
+ --help)
+ echo "Usage: $me [ --showonly ] {--start|--stop|--restart}"
+ echo " $me --status"
+ exit 0
+ ;;
+
+ *)
+ echo "Usage: $me [ --showonly ] {--start|--stop|--restart}"
+ echo " $me --status"
+ exit 2
+esac
+
+exit 0
projects / people / pmueller / ipfire-2.x.git / commitdiff
