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Move recent changes to trunk
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@9358 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
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teastep
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9
Shorewall-common/isusable
Normal file
9
Shorewall-common/isusable
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@ -0,0 +1,9 @@
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local status=0
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case $1 in
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$EXT_IF|$COM_IF)
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[ -f /etc/shorewall/${1}.status ] && status=$(cat /etc/shorewall/${1}.status)
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;;
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esac
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return $status
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190
Shorewall-common/swping
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190
Shorewall-common/swping
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#!/bin/sh
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#
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# Shorewall WAN Interface monitor - V4.2
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#
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# Inspired by Angsuman Chakraborty's gwping script.
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#
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# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
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#
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# (c) 2009 - Tom Eastep (teastep@shorewall.net)
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of Version 2 of the GNU General Public License
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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###########################################################################################
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#
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# IP Family == 4 or 6
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#
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FAMILY=4
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#
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# The commands to run when the status of a line changes. Both commands will be executed.
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#
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COMMANDA=
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COMMANDB="ip -$FAMILY route ls"
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if [ $FAMILY -eq 4 ]; then
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if [ -f /usr/share/shorewall-lite/lib.base ]; then
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. /usr/share/shorewall-lite/lib.base
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[ -f /etc/shorewall-lite/params ] && . /etc/shorewall-lite/params
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[ -n "${COMMANDA:="/sbin/shorewall-lite restart"}" ]
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elif [ -f /usr/share/shorewall/lib.base ]; then
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. /usr/share/shorewall/lib.base
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[ -f /etc/shorewall/params ] && . /etc/shorewall/params
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[ -n "${COMMANDA:="/sbin/shorewall restart -f"}" ]
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fi
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else
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if [ -f /usr/share/shorewall6-lite/lib.base ]; then
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. /usr/share/shorewall6-lite/lib.base
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[ -f /etc/shorewall6-lite/params ] && . /etc/shorewall6-lite/params
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[ -n "${COMMANDA:="/sbin/shorewall6-lite restart"}" ]
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elif [ -f /usr/share/shorewall6/lib.base ]; then
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. /usr/share/shorewal6l/lib.base
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[ -f /etc/shorewall6/params ] && . /etc/shorewall6/params
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[ -n "${COMMANDA:="/sbin/shorewall6 restart -f"}" ]
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fi
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fi
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#
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# Interfaces to monitor -- you may use shell variables from your params file
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#
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IF1=eth0
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IF2=eth1
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#
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# Sites to Ping. Must depend only on routes in the 'main' routing table.
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#
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TARGET1=xxx.xxx.xxx.xxx
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TARGET2=yyy.yyy.yyy.yyy
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#
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# How often to ping
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#
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PING_INTERVAL=5
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#
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# Value for ping's -W option
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#
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PING_TIMEOUT=2
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#
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# This many successive pings must succeed for the interface to be marked up when it is down
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#
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UP_COUNT=5
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#
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# This many successive pings must fail for the interface to be marked down when it is up
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#
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DOWN_COUNT=2
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#################################################################################################
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# Variables private to the script
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#################################################################################################
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up=0
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down=1
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if1_state=$up
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if2_state=$up
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last_if1_ping=$up
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last_if2_ping=$up
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state_changed=
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current_if1_ping=
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current_if2_ping=
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count1=0
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count2=0
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[ $FAMILY -eq 4 ] && ping=ping || ping=ping6
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#
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# Script starts here
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#
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rm -f $STATEDIR/${IF1}.status
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rm -f $STATEDIR/${IF2}.status
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while : ; do
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$ping -n -W $PING_TIMEOUT -I $IF1 -c 1 $TARGET1 > /dev/null 2>&1 && current_if1_ping=0 || current_if1_ping=1
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if [ $current_if1_ping -ne $last_if1_ping ]; then
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last_if1_ping=$current_if1_ping
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count1=1
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elif [ $current_if1_ping -ne $if1_state ]; then
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count1=$(($count1 + 1 ))
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fi
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case $if1_state in
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0)
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#
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# Interface is currently up
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#
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if [ $count1 -ge $DOWN_COUNT ]; then
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state_changed=Yes
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count1=0
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echo "$IF1 is Down!"
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if1_state=1
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fi
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;;
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1)
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#
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# Interface is currently down
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#
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if [ $count1 -ge $UP_COUNT ]; then
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state_changed=Yes
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count1=0
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echo "$IF1 is Up!"
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if1_state=0
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fi
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;;
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esac
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$ping -n -W $PING_TIMEOUT -I $IF2 -c 1 $TARGET2 > /dev/null 2>&1 && current_if2_ping=0 || current_if2_ping=1
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if [ $current_if2_ping -ne $last_if2_ping ]; then
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last_if2_ping=$current_if2_ping
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count2=1
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elif [ $current_if2_ping -ne $if2_state ]; then
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count2=$(($count2 + 1 ))
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fi
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case $if2_state in
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0)
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#
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# Interface is currently up
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#
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if [ $count2 -ge $DOWN_COUNT ]; then
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state_changed=Yes
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count2=0
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echo "$IF2 is Down!"
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if2_state=1
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fi
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;;
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1)
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#
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# Interface is currently down
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#
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if [ $count2 -ge $UP_COUNT ]; then
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state_changed=Yes
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count2=0
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echo "$IF2 is Up!"
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if2_state=0
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fi
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;;
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esac
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if [ -n "$state_changed" ]; then
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#
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# One of the interfaces changed state -- restart Shorewall
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#
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echo $if1_state > /etc/shorewall/${IF1}.status
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echo $if2_state > /etc/shorewall/${IF2}.status
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$COMMANDA
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$COMMANDB
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state_changed=
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fi
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sleep $PING_INTERVAL
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done
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98
Shorewall-common/swping.init
Executable file
98
Shorewall-common/swping.init
Executable file
@ -0,0 +1,98 @@
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#!/bin/sh
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# Shorewall WAN Interface monitor - V4.2
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#
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# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
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#
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# (c) 1999,2000,2001,2002,2003,2004,2005 - Tom Eastep (teastep@shorewall.net)
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#
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# On most distributions, this file should be called /etc/init.d/shorewall.
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#
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# Complete documentation is available at http://shorewall.net
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of Version 2 of the GNU General Public License
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Commands are:
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#
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# swping start Starts the monitor
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# swping restart Restarts the monitor
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# swping stop Stops the monitor
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# swping status Displays monitor status
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#
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### BEGIN INIT INFO
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# Provides: swping
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# Required-Start: shorewall
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# Should-Start:
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# Required-Stop:
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# Default-Start: 2 3 5
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# Default-Stop: 0 1 6
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# Description: Monitor External links and restart Shorewall when a link goes up or down.
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### END INIT INFO
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PROG=/usr/local/sbin/swping # The 'swping' script.
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STATEDIR=/var/lib/shorewall/ # Where to maintain the '.pid' file.
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start() {
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echo "Starting swping."
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if [ -f $STATEDIR/swping.pid ] && ps -p $(cat $STATEDIR/swping.pid) > /dev/null 2>&1; then
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echo "swping is already running" >&2
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exit 0
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fi
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/usr/local/sbin/swping >> /var/log/swping &
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if [ $? -eq 0 ]; then
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echo $! > $STATEDIR/swping.pid
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echo "Done."
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else
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rm -f $STATEDIR/swping.pid
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fi
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}
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stop() {
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echo "Stoping swping."
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if [ -f $STATEDIR/swping.pid ]; then
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kill -9 $(cat $STATEDIR/swping.pid)
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rm -f $STATEDIR/swping.pid
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fi
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echo "Done."
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}
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command="$1"
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case "$command" in
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start)
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start
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;;
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stop)
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stop
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;;
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restart)
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stop
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start
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;;
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status)
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if [ -f $STATEDIR/swping.pid ]; then
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echo "swping is running"
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exit 0
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else
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echo "swping is stopped"
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exit 3
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fi
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;;
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*)
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echo "Usage /etc/init.d/swping start|stop|restart|status"
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;;
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esac
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