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#!/bin/sh ### BEGIN INIT INFO # Provides: fcgiwrap # Required-Start: $remote_fs # Required-Stop: $remote_fs # Should-Start: # Should-Stop: # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: FastCGI wrapper # Description: Simple server for running CGI applications over FastCGI ### END INIT INFO PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin SPAWN_FCGI="/usr/bin/spawn-fcgi" DAEMON="/usr/sbin/fcgiwrap" NAME="fcgiwrap" DESC="FastCGI wrapper" PIDFILE="/var/run/$NAME.pid" test -x $SPAWN_FCGI || exit 0 test -x $DAEMON || exit 0 # FCGI_APP Variables FCGI_CHILDREN="1" FCGI_SOCKET="/var/run/$NAME.socket" FCGI_USER="www-data" FCGI_GROUP="www-data" # Socket owner/group (will default to FCGI_USER/FCGI_GROUP if not defined) FCGI_SOCKET_OWNER="www-data" FCGI_SOCKET_GROUP="www-data" . /lib/lsb/init-functions # Default options, these can be overriden by the information # at /etc/default/$NAME DAEMON_OPTS="-f" # By default we redirect STDERR output from executed # CGI through FastCGI, to disable this behaviour set # DAEMON_OPTS to an empty value in the default's file ENV_VARS="PATH='$PATH'" # We reset the environ for spawn-fcgi, but we use the # contents of this variable as a prefix when calling it # to export some variables (currently just the PATH) DIETIME=10 # Time to wait for the server to die, in seconds # If this value is set too low you might not # let some servers to die gracefully and # 'restart' will not work QDIETIME=0.5 # The same as DIETIME, but a lot shorter for the # stop case. #STARTTIME=2 # Time to wait for the server to start, in seconds # If this value is set each time the server is # started (on start or restart) the script will # stall to try to determine if it is running # If it is not set and the server takes time # to setup a pid file the log message might # be a false positive (says it did not start # when it actually did) # Include defaults if available if [ -f /etc/default/$NAME ] ; then . /etc/default/$NAME fi set -e running_pid() { # Check if a given process pid's cmdline matches a given name pid=$1 name=$2 [ -z "$pid" ] && return 1 [ ! -d /proc/$pid ] && return 1 cmd="$(cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1)" # Is this the expected server [ "$cmd" != "$name" ] && return 1 return 0 } running() { # Check if the process is running looking at /proc # (works for all users) # No pidfile, probably no daemon present [ ! -f "$PIDFILE" ] && return 1 PIDS="$(cat "$PIDFILE")" for pid in $PIDS; do if [ -n "$pid" ]; then running_pid $pid $DAEMON && return 0 || true fi done return 1 } start_server() { ARGS="-P $PIDFILE" # Adjust NUMBER of processes if [ -n "$FCGI_CHILDREN" ]; then ARGS="$ARGS -F '$FCGI_CHILDREN'" fi # Adjust SOCKET or PORT and ADDR if [ -n "$FCGI_SOCKET" ]; then ARGS="$ARGS -s '$FCGI_SOCKET'" elif [ -n "$FCGI_PORT" ]; then if [ -n "$FCGI_ADDR" ]; then ARGS="$ARGS -a '$FCGI_ADDR'" fi ARGS="$ARGS -p '$FCGI_PORT'" fi # Adjust user if [ -n "$FCGI_USER" ]; then ARGS="$ARGS -u '$FCGI_USER'" if [ -n "$FCGI_SOCKET" ]; then if [ -n "$FCGI_SOCKET_OWNER" ]; then ARGS="$ARGS -U '$FCGI_SOCKET_OWNER'" else ARGS="$ARGS -U '$FCGI_USER'" fi fi fi # Adjust group if [ -n "$FCGI_GROUP" ]; then ARGS="$ARGS -g '$FCGI_GROUP'" if [ -n "$FCGI_SOCKET" ]; then if [ -n "$FCGI_SOCKET_GROUP" ]; then ARGS="$ARGS -G '$FCGI_SOCKET_GROUP'" else ARGS="$ARGS -G '$FCGI_GROUP'" fi fi fi eval $(echo env -i $ENV_VARS $SPAWN_FCGI $ARGS -- $DAEMON $DAEMON_OPTS) \ > /dev/null errcode="$?" return $errcode } stop_server() { # Force the process to die killing it manually [ ! -e "$PIDFILE" ] && return PIDS="$(cat "$PIDFILE")" for pid in $PIDS; do if running_pid $pid $DAEMON; then kill -15 $pid # Is it really dead? sleep "$QDIETIME"s if running_pid $pid $DAEMON; then kill -9 $pid sleep "$QDIETIME"s if running_pid $pid $DAEMON; then echo "Cannot kill $NAME (pid=$pid)!" exit 1 fi fi fi done rm -f "$PIDFILE" if [ -n "$FCGI_SOCKET" ]; then rm -f "$FCGI_SOCKET" fi } case "$1" in start) log_daemon_msg "Starting $DESC" "$NAME" # Check if it's running first if running ; then log_progress_msg "apparently already running" log_end_msg 0 exit 0 fi if start_server ; then # NOTE: Some servers might die some time after they start, # this code will detect this issue if STARTTIME is set # to a reasonable value [ -n "$STARTTIME" ] && sleep $STARTTIME # Wait some time if running ; then # It's ok, the server started and is running log_end_msg 0 else # It is not running after we did start log_end_msg 1 fi else # Either we could not start it log_end_msg 1 fi ;; stop|force-stop) log_daemon_msg "Stopping $DESC" "$NAME" if running ; then # Only stop the server if we see it running errcode=0 stop_server || errcode=$? log_end_msg $errcode else # If it's not running don't do anything log_progress_msg "apparently not running" log_end_msg 0 exit 0 fi ;; restart|force-reload) log_daemon_msg "Restarting $DESC" "$NAME" errcode=0 stop_server || errcode=$? # Wait some sensible amount, some server need this [ -n "$DIETIME" ] && sleep $DIETIME start_server || errcode=$? [ -n "$STARTTIME" ] && sleep $STARTTIME running || errcode=$? log_end_msg $errcode ;; status) log_daemon_msg "Checking status of $DESC" "$NAME" if running ; then log_progress_msg "running" log_end_msg 0 else log_progress_msg "apparently not running" log_end_msg 1 exit 1 fi ;; # Use this if the daemon cannot reload reload) log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon" log_warning_msg "cannot re-read the config file (use restart)." ;; *) N=/etc/init.d/$NAME echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2 exit 1 ;; esac exit 0Private