#! /bin/sh
#
# squid Startup script for the SQUID HTTP proxy-cache.
#
# Version: @(#)squid.rc 2.20 01-Oct-2001 [email protected]
#
NAME=squid
DAEMON=/usr/sbin/squid
LIB=/usr/lib/squid
PIDFILE=/var/run/$NAME.pid
SQUID_ARGS="-D -sYC"
echo 16384 > /proc/sys/kernel/msgmnb
echo 41 > /proc/sys/kernel/msgmni
echo 2049 > /proc/sys/kernel/msgmax
echo 32 > /proc/sys/kernel/shmmni
echo 2097152 > /proc/sys/kernel/shmmax
echo 3096 > /proc/sys/kernel/shmall
[ ! -f /etc/default/squid ] || . /etc/default/squid
PATH=/bin:/usr/bin:/sbin:/usr/sbin
[ -x $DAEMON ] || exit 0
grepconf () {
w=" " # space tab
sq=/etc/squid/squid.conf
# sed is cool.
res=`sed -ne '
s/^'$1'['"$w"']\+\([^'"$w"']\+\).*$/\1/p;
t end;
d;
:end q' < $sq`
[ -n "$res" ] || res=$2
echo "$res"
}
grepconf2 () {
w=" " # space tab
sq=/etc/squid/$NAME.conf
# sed is cool.
res=`sed -ne '
s/^'$1'['"$w"']\+[^'"$w"']\+['"$w"']\+\([^'"$w"']\+\).*$/\1/p;
t end;
d;
:end q' < $sq`
[ -n "$res" ] || res=$2
echo "$res"
}
#
# Try to increase the # of filedescriptors we can open.
#
maxfds () {
[ -n "$SQUID_MAXFD" ] || return
[ -f /proc/sys/fs/file-max ] || return 0
[ $SQUID_MAXFD -le 4096 ] || SQUID_MAXFD=4096
global_file_max=`cat /proc/sys/fs/file-max`
minimal_file_max=$(($SQUID_MAXFD + 4096))
if [ "$global_file_max" -lt $minimal_file_max ]
then
echo $minimal_file_max > /proc/sys/fs/file-max
fi
ulimit -n $SQUID_MAXFD
}
fixperms () {
dir=$1
usr=$2
grp=$3
currusr=`/usr/bin/stat -c '%U' $dir`
currgrp=`/usr/bin/stat -c '%G' $dir`
if [ $currusr != $usr ]
then
chown $usr $dir -R
fi
if [ $currgrp != $grp ]
then
chgrp $grp $dir -R
fi
}
start () {
cdr=`grepconf2 cache_dir /var/spool/$NAME`
usr=`grepconf cache_effective_user proxy`
grp=`grepconf cache_effective_group proxy`
case "$cdr" in
[0-9]*)
echo "squid: squid.conf contains 2.2.5 syntax - not starting!" >&2
exit 1
;;
esac
#
# Create spool dirs if they don't exist.
#
if [ -d "$cdr" -a ! -d "$cdr/00" ]
then
echo "Creating squid spool directory structure"
/usr/sbin/squid -z
fi
if [ "$CHUID" = "" ]; then
CHUID=root
fi
maxfds
umask 027
cd $cdr
start-stop-daemon --quiet --start \
--pidfile $PIDFILE \
--chuid $CHUID \
--exec $DAEMON -- $SQUID_ARGS < /dev/null
sleep 1
}
stop () {
PID=`cat $PIDFILE 2>/dev/null`
start-stop-daemon --stop --quiet --pidfile $PIDFILE --exec $DAEMON
#
# Now we have to wait until squid has _really_ stopped.
#
sleep 2
if test -n "$PID" && kill -0 $PID 2>/dev/null
then
echo -n "(waiting..."
cnt=0
while kill -0 $PID 2>/dev/null
do
cnt=`expr $cnt + 1`
if [ $cnt -gt 60 ]
then
#
# Waited 120 seconds now. Fail.
#
echo -n "failed)"
if [ "$1" = verbose ] ; then
echo "."
else
echo -n " "
fi
return
fi
sleep 2
echo -n "."
done
echo -n "done)"
if [ "$1" = verbose ] ; then
echo " $NAME."
else
echo -n " "
fi
else
[ "$1" = verbose ] && echo "$NAME."
fi
}
case "$1" in
start)
echo -n "Starting proxy server: "
start
echo "$NAME."
;;
stop)
echo -n "Stopping proxy server: "
stop verbose
;;
reload|force-reload)
echo -n "Reloading $NAME configuration files..."
start-stop-daemon --stop --signal 1 \
--pidfile $PIDFILE --quiet --exec $DAEMON
echo "done."
;;
restart)
echo -n "Restarting proxy server: "
stop
start
echo "$NAME."
;;
*)
echo "Usage: /etc/init.d/$NAME {start|stop|reload|force-reload|restart}"
exit 3
;;
esac
exit 0