257 lines
6.8 KiB
Bash
257 lines
6.8 KiB
Bash
#!/bin/bash
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#
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# slpd Start/Stop the OpenSLP SA daemon (slpd).
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#
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# Author: Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
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# -Modified for RHS Linux by Damien Neil
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# -Modified for COL by Raymund Will, <ray@lst.de>
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# -Modified for OpenSLP by Matt Peterson <mpeterson@calderasystems.com>
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# -Modified to be distribution agnostic by Bart Whiteley <bart@caldera.com>
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# -Modified to be MORE agnostic by Erik Ratcliffe <eratcliffe@volutiontech.com>
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# Red Hat "chkconfig" init header:
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#
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# chkconfig: 345 13 87
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# description: slpd - OpenSLP daemon for the Service Location Protocol
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# processname: slpd
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# LSB init header:
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#
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### BEGIN INIT INFO
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# Provides: openslp slpd
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# Required-Start: $named
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# Required-Stop:
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# Default-Start: 3 4 5
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# Default-Stop: 0 1 2 6
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# Description: slpd - OpenSLP daemon for the Service Location Protocol
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### END INIT INFO
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#///////////// multicast_route_set() //////////////#
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# #
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# Does nothing if a route exists that supports #
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# multicast traffic. If no routes supporting #
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# multicast traffic exists, the function tries to #
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# add one. A 0 is returned on success and a 1 #
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# on failure. One parameter must be passed in. #
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# This variable determins verbosity. If parameter #
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# is non-zero debugging will appear #
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# #
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#//////////////////////////////////////////////////#
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multicast_route_set()
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{
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PING_OPTIONS_1='-c1 -w1'
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PING_OPTIONS_2='-c1 -i1'
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MULTICAST_ADDRESS='239.255.255.253'
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TMP_FILE=/tmp/route.check
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PING_ERROR_NO_ROUTE='unreachable'
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MSG_FAILED_TO_FIND='Failed to Detect Multicast Route'
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MSG_SUCCESS_ON_FIND='Multicast Route Enabled'
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MSG_ADDING_ROUTE='Attempting to Add Multicast Route ...'
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MSG_FAILED_TO_ADD=' FAILED - Route NOT Added.'
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MSG_SUCCES_ON_ADD=' SUCCESS - Route Added.'
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CMD_GET_INTERFACE="netstat -i | awk 'BEGIN{}(NR>2)&&(!/^lo*/){print \$1}'"
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CMD_ADD_ROUTE="route add -net 224.0.0.0 netmask 240.0.0.0"
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ping $PING_OPTIONS_1 $MULTICAST_ADDRESS 2> $TMP_FILE 1> /dev/null
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if [ $? = 2 ]; then
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ping $PING_OPTIONS_2 $MULTICAST_ADDRESS 2> $TMP_FILE 1> /dev/null
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fi
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grep $PING_ERROR_NO_ROUTE $TMP_FILE > /dev/null 2>&1
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err_unreachable_found=$?
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#If errors, add route. Otherwise, do nothing
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if [ -s $TMP_FILE ] && [ $err_unreachable_found = 0 ]; then
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if [ $1 != 0 ]; then
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echo $MSG_FAILED_TO_FIND
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echo $MSG_ADDING_ROUTE
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fi
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$CMD_ADD_ROUTE `eval $CMD_GET_INTERFACE` > /dev/null 2>&1
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retval=$?
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if [ $1 != 0 ]; then
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if [ $retval = 0 ]; then
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echo $MSG_SUCCES_ON_ADD
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else
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echo $MSG_FAILED_TO_ADD
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fi
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fi
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else
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if [ $1 != 0 ]; then
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echo -n $MSG_SUCCESS_ON_FIND
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fi
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retval=0
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fi
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rm -f $TMP_FILE # Clean up
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return $retval
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}
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NAME=slpd
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DAEMON=/usr/sbin/$NAME
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# Change to root
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OLDDIR=`pwd`
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cd /
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# Source function library or libraries. Start with the
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# uncommon ones like /etc[/rc.d]/init.d/functions, and then
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# source in the LSB functions if they exist (which will
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# override functions that may be defined in the former
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# functions library). Finally, if /etc/sysconfig/slpd
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# exists (like on SCO Linux systems), source it in Just
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# In Case(tm).
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if [ -f /etc/rc.d/init.d/functions ]; then
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. /etc/rc.d/init.d/functions
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else
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if [ -f /etc/init.d/functions ]; then
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. /etc/init.d/functions
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fi
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fi
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if [ -f /lib/lsb/init-functions ]; then
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. /lib/lsb/init-functions
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fi
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if [ -f /etc/sysconfig/$NAME ]; then
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. /etc/sysconfig/$NAME
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fi
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# No executable daemon, no go...
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test -x $DAEMON || exit 1
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# Lock files seem to be very, very consistent across distros...
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LOCK=/var/lock/subsys/$NAME
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# Run/PID files seem to be consistent as well...
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RUNPID=/var/run/$NAME
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# Make RETVAL default to 0...
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RETVAL=0
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#
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# See how we were called.
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#
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case "$1" in
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start)
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# Check if we're already running...
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if [ ! "$LOCK" = "" ] && [ -f $LOCK ]; then
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exit 0
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fi
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echo -n 'Starting slpd: '
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# Attempt to guarantee a multicast route...
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multicast_route_set 1
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multicast_enabled=$?
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if [ "$multicast_enabled" != "0" ] ; then
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echo "Failure: No Route Available for Multicast Traffic"
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exit 1
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fi
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# Try to start it up, beginning with LSB, then Red Hat,
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# then OpenLinux. If there are other methods for starting
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# daemons and they don't accidentally fall into one of those
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# categories (look below before jumping to conclusions), let
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# someone know so this can be fixed...
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if [ -x /sbin/startproc ]; then
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startproc $DAEMON $OPTIONS
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RETVAL=$?
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elif grep ^startproc\(\) /etc/rc.d/init.d/functions > /dev/null 2>&1 || \
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grep ^startproc\(\) /etc/init.d/functions > /dev/null 2>&1; then
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startproc $DAEMON $OPTIONS
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RETVAL=$?
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elif grep ^daemon\(\) /etc/rc.d/init.d/functions > /dev/null 2>&1 || \
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grep ^daemon\(\) /etc/init.d/functions > /dev/null 2>&1; then
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daemon $DAEMON
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RETVAL=$?
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else
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if [ -x /sbin/ssd ]; then
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ssd -S -n $NAME -x $DAEMON -- $OPTIONS
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RETVAL=$?
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fi
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fi
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if [ $RETVAL -eq 0 ]; then touch $LOCK; fi
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echo
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;;
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stop)
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# Are we even running? Check first...
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if [ -f $LOCK ]; then
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echo -n 'Stopping slpd: '
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if [ -x /sbin/killproc ]; then
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killproc $DAEMON
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RETVAL=$?
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elif grep killproc\(\) /etc/rc.d/init.d/functions > /dev/null 2>&1 || \
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grep killproc\(\) /etc/init.d/functions > /dev/null 2>&1; then
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killproc $DAEMON
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RETVAL=$?
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else
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if [ -x /sbin/ssd ]; then
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ssd -K -p /var/run/$NAME.pid -n $NAME
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RETVAL=$?
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fi
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fi
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if [ $RETVAL -eq 0 ]; then rm -f $LOCK; fi
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else
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echo "$NAME is not running"
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RETVAL=0
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fi
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echo
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;;
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reload|restart)
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cd $OLDDIR
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$0 stop
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$0 start
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RETVAL=$?
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cd /
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;;
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condrestart)
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[ -f $LOCK ] && $0 restart || :
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;;
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status)
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if [ -x /sbin/checkproc ]; then
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/sbin/checkproc $NAME > /dev/null 2>&1
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elif grep checkproc\(\) /etc/rc.d/init.d/functions > /dev/null 2>&1 || \
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grep checkproc\(\) /etc/init.d/functions > /dev/null 2>&1; then
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checkproc $NAME > /dev/null 2>&1
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elif grep status\(\) /etc/rc.d/init.d/functions > /dev/null 2>&1 || \
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grep status\(\) /etc/init.d/functions > /dev/null 2>&1; then
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status $NAME > /dev/null 2>&1
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else
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pidof $NAME > /dev/null 2>&1
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fi
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RETVAL=$?
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if [ $RETVAL -eq 0 ]; then
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echo "$NAME is running."
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else
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echo "$NAME is not running."
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fi
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;;
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*)
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echo "Usage: slpd {start|stop|restart|condrestart|reload|status}"
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exit 1
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esac
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exit $RETVAL
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