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#!/bin/sh # # osqueryd Start/Stop the osquery daemon. # # chkconfig: 345 90 60 # Description: # With osquery, you can use SQL to query low-level # operating system information. Under the hood, instead # of querying static tables, these queries dynamically execute # high-performance native code. The results of the # SQL query are transparently returned to you quickly and easily # ### BEGIN INIT INFO # Provides: osquery osqueryd # Required-Start: $local_fs $syslog # Required-Stop: $local_fs $syslog # Default-Start: 3 4 5 # Default-Stop: 0 1 6 # Short-Description: run osqueryd daemon # Description: # With osquery, you can use SQL to query low-level # operating system information. Under the hood, instead # of querying static tables, these queries dynamically execute # high-performance native code. The results of the # SQL query are transparently returned to you quickly and easily # # ### END INIT INFO if [ -z $RETVAL ]; then RETVAL=0; fi if [ -z $PROG ]; then PROG="osqueryd"; fi if [ -z $EXEC ]; then EXEC=/opt/osquery/bin/osqueryd; fi if [ -z $FLAGS_PATH ]; then FLAGS_PATH=/etc/osquery/osquery.flags; fi if [ -z $REAL_CONFIG_PATH ]; then REAL_CONFIG_PATH=/etc/osquery/osquery.conf; fi if [ -z $LOCKFILE ]; then LOCKFILE=/var/lock/osqueryd; fi if [ -z $PIDFILE ]; then PIDFILE=/var/run/osqueryd.pidfile; fi if [ -z $OLD_PIDFILE ]; then OLD_PIDFILE=/var/run/osqueryd.pid; fi if [ -z $UID ]; then UID=$(id -u); fi if [ $UID -eq 0 ] && [ -e /etc/sysconfig/$PROG ]; then . /etc/sysconfig/$PROG fi if [ -e /etc/init.d/functions ]; then . /etc/init.d/functions fi if [ ! -e $FLAGS_PATH ] && [ ! -e $REAL_CONFIG_PATH ]; then echo "No config file found at $REAL_CONFIG_PATH" echo "Additionally, no flags file or config override found at $FLAGS_PATH" echo "See '/opt/osquery/share/osquery/osquery.example.conf' for an example config." RETVAL=1 fi move_pidfile() { if [ -f $OLD_PIDFILE ]; then # Support for deprecated pidfile location. mv $OLD_PIDFILE $PIDFILE fi } ensure_root() { if [ $UID -ne 0 ] ; then echo "User has insufficient privilege." RETVAL=1 fi } start() { ensure_root move_pidfile ARGS="" if [ -f $PIDFILE ]; then PID=$(cat $PIDFILE) PROCNAME=$(ps -p $PID -o comm\=) if [ "$PROCNAME" = "$PROG" ]; then return 0 else # osqueryd pidfile exists but it's not running rm $PIDFILE fi fi if [ -e $FLAGS_PATH ]; then ARGS="$ARGS --flagfile=$FLAGS_PATH"; fi if [ -e $REAL_CONFIG_PATH ]; then ARGS="$ARGS --config_path=$REAL_CONFIG_PATH"; fi $EXEC $ARGS \ --pidfile=$PIDFILE \ --daemonize=true RETVAL=$? } stop() { ensure_root move_pidfile if [ ! -f $PIDFILE ] ; then RETVAL=0 else PID=$(cat $PIDFILE) # Terminate the daemon and watchers pkill -g $PID # Allow the event threads to tear down ( while kill -0 $PID >/dev/null 2>&1; do sleep 0.2; done ) & DPID=$! # If the event threads are still running after 5 seconds, kill them ( sleep 5 && pkill -9 -g $PID && kill -9 $DPID ) 2>/dev/null & WPID=$! if wait $DPID 2>/dev/null; then pkill -9 -P $WPID wait $WPID fi rm -f $PIDFILE fi } restart() { stop start } status() { if [ -f $PIDFILE ]; then PID=$(cat $PIDFILE) PROCNAME=$(ps -p $PID -o comm\=) if [ "$PROCNAME" = "$PROG" ]; then echo "$PROG is already running: $PID" RETVAL=0 else # osqueryd pidfile exists but it's not running echo "$PROG is not running but a stale pidfile was found." RETVAL=7 fi elif [ -f $OLD_PIDFILE ]; then PID=$(cat $OLD_PIDFILE) PROCNAME=$(ps -p $PID -o comm\=) if [ "$PROCNAME" = "$PROG" ]; then echo "$PROG is already running (old pidfile): $PID" RETVAL=0 else # osqueryd pidfile exists but it's not running echo "$PROG is not running but a stale old pidfile was found." RETVAL=7 fi else echo "$PROG is not running. no pidfile found." RETVAL=7 fi } usage() { echo "Usage: $0 {start|stop|status|restart}" RETVAL=2 } case "$1" in start) start ;; stop) stop ;; restart) restart ;; status) status ;; *) usage ;; esac exit ${RETVAL}