#!/sbin/sh# Squid Internet Object Cache startup# AUTHOR: Markus Gyger# This is squid's startup file /sbin/init.d/squid or /etc/init.d/squidPATH=/opt/squid/bin:/usr/sbin:/usr/bin:/sbin:/binexport PATHconfig(){    # SGI IRIX 6.2    if [ -f /sbin/chkconfig ]    then if /sbin/chkconfig squid	 then if [ -f /var/config/squid.options ]	      then . /var/config/squid.options	      fi	      SQUID=1	 else SQUID=0	 fi    # Digital UNIX    elif [ -f /usr/sbin/rcmgr ]    then SQUID=`/usr/sbin/rcmgr get SQUID 0`	 SQUID_OPTIONS=`/usr/sbin/rcmgr get SQUID_OPTIONS "-s"`	 SQUID_RESPAWN=`/usr/sbin/rcmgr get SQUID_RESPAWN 1`    # HP-UX 10 / Linux    elif [ -f /etc/rc.config ]    then . /etc/rc.config    # SUN Solaris 2    else SQUID=1	 SQUID_OPTIONS="-s"	 SQUID_RESPAWN=1    fi    [ 1 = "${SQUID-}" ]}respawn(){    trap "" 1    fails=0    while [ $fails -le 5 ]    do  start=`date +%d%H%M%S`	if "$@"	then logger -t "$1" -p local4.notice \		 "respawn[$$]: Exiting due to shutdown"	     return 0	fi	stop=`date +%d%H%M%S`	time=`expr $stop - $start`	[ "$time" -gt 10 ] && fails=0	fails=`expr $fails + 1`    done    logger -t "$1" -p local4.alert \	"respawn[$$]: Exiting due to repeated, frequent failures"    return 1}case $* instart_msg)    echo "Start Squid Internet Object Cache"    ;;stop_msg)    echo "Stopping Squid Internet Object Cache"    ;;start)    config || exit 2  # Squid not enabled    if whence=`type squid 2>&1`    then trap "" 1	 if [ 0 = "${SQUID_RESPAWN-}" ]	 then         squid ${SQUID_OPTIONS-} &	 else respawn squid ${SQUID_OPTIONS-} &	 fi    else echo "ERROR: $whence" >&2	 exit 1    fi    ;;stop)    config || exit 2  # Squid not enabled    squid ${SQUID_OPTIONS-} -k shutdown || exit 1    ;;reconf*|rotate|int*|debug|check|kill)    config    squid ${SQUID_OPTIONS-} -k "$1"    ;;*)    echo "usage: $0 {start|stop|reconfigure|rotate|interrupt|debug|check|kill}" >&2    echo "    start        start squid" >&2    echo "    stop         clean shutdown" >&2    echo "    reconfigure  reread configuration files" >&2    echo "    rotate       rotate log files" >&2    echo "    interrupt    quick clean shutdown " >&2    echo "    debug        toggle debug logging" >&2    echo "    check        check for running squid" >&2    echo "    kill         terminate squid by brute force" >&2    exit 1    ;;esac[ $? -eq 0 ]  # only 0 and 1 exit values allowedexit