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|
#!/bin/sh
#
# pingcntl: echolot control + wrapper
# Written by admin@arancio.net, peter@palfrader.org
#
### BEGIN INIT INFO
# Provides: echolot
# Required-Start: $local_fs $remote_fs $time
# Required-Stop: $local_fs $remote_fs
# Should-Start: mail-transport-agent $syslog
# Should-Stop: mail-transport-agent $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Pinger for anonymous remailers
# Description: Echolot is a pinger for anonymous remailers
# such as Mixmaster. As the name implies it
# regularly sends pings to remailers to
# collect performance statistics on each node.
### END INIT INFO
set -e
VERBOSE=0
# You probably don't want to mess with stuff below this line
################################################################
PIDFILE=/var/run/echolot/pingd.pid
CHECKULIMIT=1
CHECKUID=1
USER=echolot
GROUP=echolot
DAEMON=/usr/bin/pingd
DESC="Echolot Ping Daemon"
NAME="pingd"
test -f $DAEMON || exit 0
PATH=/bin:/usr/bin:/sbin:/usr/sbin
export PATH
# Reads config file (will override defaults above)
[ -r /etc/default/echolot ] && . /etc/default/echolot
wait_for_deaddaemon () {
PID=$1
sleep 3
if test -n "$PID"
then
if kill -0 $PID 2>/dev/null
then
echo -n "Waiting for pid $PID ."
cnt=0
while kill -0 $PID 2>/dev/null
do
cnt=`expr $cnt + 1`
if [ $cnt -gt 30 ]
then
echo " Failed.. "
exit 1
fi
sleep 2
echo -n "."
done
rm -f $PIDFILE
else
rm -f $PIDFILE
fi
fi
}
# Check for evil ulimits
if [ "$CHECKULIMIT" -gt "0" ]; then
FDs=`ulimit -n`
HFDs=`ulimit -H -n`
if [ "$FDs" -lt "512" ]; then
if [ "$HFDs" -lt "512" ]; then
echo "Hardlimit for open File Descriptors is less than 512." >&2
echo "Please consider raising it." >&2
if [ "$FDs" -lt "$HFDs" ]; then
echo "Raising it to $HFDs" >&2
ulimit -n $HFDs
fi
else
if [ "$HFDs" -lt "1024" ]; then
FDs=$HFDs
else
FDs=1024
fi
echo "Softlimit for open File Descriptors is less than 512." >&2
echo "Raising it to $FDs" >&2
ulimit -n $FDs
fi
fi
fi
# set VERBOSE
if [ $VERBOSE -gt 0 ]; then
VERBOSE="--verbose"
else
VERBOSE=""
fi
case $1 in
start)
if [ -f $PIDFILE ] ; then
PID=`cat $PIDFILE 2>/dev/null` || true
if kill -0 $PID 2>/dev/null
then
echo "$DESC already running."
exit 0
else
echo -n "Removing stale pid file: "
rm -f $PIDFILE
echo "$PIDFILE."
fi
fi
if [ $RUN_ECHOLOT -gt 0 ]; then
echo -n "Starting $DESC: "
start-stop-daemon \
--start \
--quiet \
--pidfile $PIDFILE \
--chuid $USER:$GROUP \
--exec $DAEMON -- --detach $VERBOSE --process --quiet start
echo "$NAME."
else
echo "Not starting $DESC: disabled in configuration"
fi
;;
stop)
echo -n "Stopping $DESC: "
PID=`cat $PIDFILE 2>/dev/null` || true
start-stop-daemon \
--stop \
--quiet \
--oknodo \
--pidfile $PIDFILE \
--user $USER
wait_for_deaddaemon $PID
echo "$NAME."
;;
reload|force-reload|restart)
PID=`cat $PIDFILE 2>/dev/null` || true
$0 stop
wait_for_deaddaemon $PID
$0 start
;;
process|add|delete|set|setremailercaps|deleteremailercaps|getkeyconf|sendpings|sendchainpings|buildstats|buildkeys|buildthesaurus|buildfromlines|dumpconf|summary|enable|disable)
# Check for right User
if [ "$CHECKUID" -gt "0" ]; then
CUID=`id -u`
CUIDNAME=`id -nu`
if [ "$CUIDNAME" = "$USER" ]; then
"$DAEMON" "$@"
elif [ "$CUID" = "0" ]; then
command="$DAEMON"
while [ "$#" -gt 0 ]; do
command="$command \"$1\""
shift
done
su "$USER" -c "$command"
else
echo "You are neither $USER nor root. Aborting." >&2
exit 1;
fi
fi
echo "Running $DESC: $NAME $1..."
echo "done."
;;
*)
echo "Usage: $0 (start|stop|reload|force-reload|restart)" >&2
echo " $0 <COMMAND> [parameters]" >&2
echo "See the pingd(1) manual page for valid commands" >&2
exit 1
;;
esac
exit 0
# vim:set ts=2:
# vim:set shiftwidth=2:
|
