Created
August 31, 2014 08:04
-
-
Save hardware/ae6969680e5ba2c6579a to your computer and use it in GitHub Desktop.
Prelude Correlator - Script init.d
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/sh | |
# | |
# init.d script for prelude-correlator with LSB support. | |
# | |
# Copyright (c) 2008 Pierre Chifflier <pollux@debian.org> | |
# | |
# This is free software; you may redistribute it and/or modify | |
# it under the terms of the GNU General Public License as | |
# published by the Free Software Foundation; either version 2, | |
# or (at your option) any later version. | |
# | |
# This is distributed in the hope that it will be useful, but | |
# WITHOUT ANY WARRANTY; without even the implied warranty of | |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
# GNU General Public License for more details. | |
# | |
# You should have received a copy of the GNU General Public License with | |
# the Debian operating system, in /usr/share/common-licenses/GPL; if | |
# not, write to the Free Software Foundation, Inc., 59 Temple Place, | |
# Suite 330, Boston, MA 02111-1307 USA | |
# | |
### BEGIN INIT INFO | |
# Provides: prelude-correlator | |
# Required-Start: $network $local_fs $remote_fs $syslog | |
# Required-Stop: $remote_fs | |
# Should-Start: $named | |
# Should-Stop: | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: Correlation engine for Prelude IDS | |
### END INIT INFO | |
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin | |
DAEMON=/usr/local/bin/prelude-correlator # Introduce the server's location here | |
NAME=prelude-correlator # Introduce the short server's name here | |
DESC=prelude-correlator # Introduce a short description here | |
LOGDIR=/var/log/prelude-correlator # Log directory to use | |
PIDFILE=/var/run/$NAME.pid | |
test -x $DAEMON || exit 0 | |
. /lib/lsb/init-functions | |
# Default options, these can be overriden by the information | |
# at /etc/default/$NAME | |
DAEMON_OPTS="-d -P $PIDFILE" # Additional options given to the server | |
DIETIME=3 # Time to wait for the server to die, in seconds | |
# If this value is set too low you might not | |
# let some servers to die gracefully and | |
# 'restart' will not work | |
#STARTTIME=2 # Time to wait for the server to start, in seconds | |
# If this value is set each time the server is | |
# started (on start or restart) the script will | |
# stall to try to determine if it is running | |
# If it is not set and the server takes time | |
# to setup a pid file the log message might | |
# be a false positive (says it did not start | |
# when it actually did) | |
LOGFILE=$LOGDIR/$NAME.log # Server logfile | |
#DAEMONUSER=prelude-correlator # Users to run the daemons as. If this value | |
# is set start-stop-daemon will chuid the server | |
# Include defaults if available | |
if [ -f /etc/default/$NAME ] ; then | |
. /etc/default/$NAME | |
fi | |
# Check that the user exists (if we set a user) | |
# Does the user exist? | |
if [ -n "$DAEMONUSER" ] ; then | |
if getent passwd | grep -q "^$DAEMONUSER:"; then | |
# Obtain the uid and gid | |
DAEMONUID=`getent passwd |grep "^$DAEMONUSER:" | awk -F : '{print $3}'` | |
DAEMONGID=`getent passwd |grep "^$DAEMONUSER:" | awk -F : '{print $4}'` | |
else | |
log_failure_msg "The user $DAEMONUSER, required to run $NAME does not exist." | |
exit 1 | |
fi | |
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 | |
cat /proc/$pid/cmdline | grep -q -s $name | |
result=$? | |
if [ "x$result" != "x0" ]; then return 1; fi | |
return 0 | |
} | |
running() { | |
# Check if the process is running looking at /proc | |
# (works for all users) | |
# No pidfile, probably no daemon present | |
[ ! -f "$PIDFILE" ] && return 1 | |
pid=`cat $PIDFILE` | |
running_pid $pid $DAEMON || return 1 | |
return 0 | |
} | |
start_server() { | |
# Start the process using the wrapper | |
if [ -z "$DAEMONUSER" ] ; then | |
start_daemon -p $PIDFILE $DAEMON $DAEMON_OPTS | |
errcode=$? | |
else | |
# if we are using a daemonuser then change the user id | |
touch $PIDFILE | |
chown $DAEMONUSER $PIDFILE | |
start-stop-daemon --start --quiet --pidfile $PIDFILE \ | |
--chuid $DAEMONUSER \ | |
--exec $DAEMON -- $DAEMON_OPTS | |
errcode=$? | |
fi | |
# give it 1 second to start | |
sleep 1 | |
return $errcode | |
} | |
stop_server() { | |
# Stop the process using the wrapper | |
if [ -z "$DAEMONUSER" ] ; then | |
killproc -p $PIDFILE $DAEMON | |
errcode=$? | |
else | |
# if we are using a daemonuser then look for process that match | |
start-stop-daemon --stop --quiet --pidfile $PIDFILE \ | |
--user $DAEMONUSER | |
errcode=$? | |
fi | |
return $errcode | |
} | |
reload_server() { | |
[ ! -f "$PIDFILE" ] && return 1 | |
pid=pidofproc $PIDFILE # This is the daemon's pid | |
# Send a SIGHUP | |
kill -1 $pid | |
return $? | |
} | |
force_stop() { | |
# Force the process to die killing it manually | |
[ ! -e "$PIDFILE" ] && return | |
if running ; then | |
kill -15 $pid | |
# Is it really dead? | |
sleep "$DIETIME"s | |
if running ; then | |
kill -9 $pid | |
sleep "$DIETIME"s | |
if running ; then | |
echo "Cannot kill $NAME (pid=$pid)!" | |
exit 1 | |
fi | |
fi | |
fi | |
rm -f $PIDFILE | |
} | |
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) | |
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 | |
;; | |
force-stop) | |
# First try to stop gracefully the program | |
$0 stop | |
if running; then | |
# If it's still running try to kill it more forcefully | |
log_daemon_msg "Stopping (force) $DESC" "$NAME" | |
errcode=0 | |
force_stop || errcode=$? | |
log_end_msg $errcode | |
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)." | |
;; | |
# And this if it cann | |
#reload) | |
# | |
# If the daemon can reload its config files on the fly | |
# for example by sending it SIGHUP, do it here. | |
# | |
# If the daemon responds to changes in its config file | |
# directly anyway, make this a do-nothing entry. | |
# | |
# log_daemon_msg "Reloading $DESC configuration files" "$NAME" | |
# if running ; then | |
# reload_server | |
# if ! running ; then | |
# Process died after we tried to reload | |
# log_progress_msg "died on reload" | |
# log_end_msg 1 | |
# exit 1 | |
# fi | |
# else | |
# log_progress_msg "server is not running" | |
# log_end_msg 1 | |
# exit 1 | |
# fi | |
#;; | |
*) | |
N=/etc/init.d/$NAME | |
echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2 | |
exit 1 | |
;; | |
esac | |
exit 0 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment