--- /dev/null
+#!/bin/sh
+# ossec-control This shell script takes care of starting
+# or stopping ossec-hids
+# Author: Daniel B. Cid <daniel.cid@gmail.com>
+
+LOCAL=`dirname $0`;
+cd ${LOCAL}
+PWD=`pwd`
+DIR=`dirname $PWD`;
+
+
+### Do not modify below here ###
+NAME="OSSEC HIDS"
+VERSION="v3.3.0"
+DAEMONS="ossec-logcollector ossec-syscheckd ossec-agentd ossec-execd"
+
+[ -f /etc/ossec-init.conf ] && . /etc/ossec-init.conf
+
+## Locking for the start/stop
+LOCK="${DIR}/var/start-script-lock"
+LOCK_PID="${LOCK}/pid"
+
+# This number should be more than enough (even if it is
+# started multiple times together). It will try for up
+# to 10 attempts (or 10 seconds) to execute.
+MAX_ITERATION="10"
+
+checkpid()
+{
+ for i in ${DAEMONS}; do
+ for j in `cat ${DIR}/var/run/${i}*.pid 2>/dev/null`; do
+ ps -p $j |grep ossec >/dev/null 2>&1
+ if [ ! $? = 0 ]; then
+ echo "Deleting PID file '${DIR}/var/run/${i}-${j}.pid' not used..."
+ rm ${DIR}/var/run/${i}-${j}.pid
+ fi
+ done
+ done
+}
+
+lock()
+{
+ i=0;
+
+ # Providing a lock.
+ while [ 1 ]; do
+ mkdir ${LOCK} > /dev/null 2>&1
+ MSL=$?
+ if [ "${MSL}" = "0" ]; then
+ # Lock acquired (setting the pid)
+ echo "$$" > ${LOCK_PID}
+ return;
+ fi
+
+ # Waiting 1 second before trying again
+ sleep 1;
+ i=`expr $i + 1`;
+
+ # If PID is not present, speed things a bit.
+ kill -0 `cat ${LOCK_PID}` >/dev/null 2>&1
+ if [ ! $? = 0 ]; then
+ # Pid is not present.
+ i=`expr $i + 1`;
+ fi
+
+ # We tried 10 times to acquire the lock.
+ if [ "$i" = "${MAX_ITERATION}" ]; then
+ # Unlocking and executing
+ unlock;
+ mkdir ${LOCK} > /dev/null 2>&1
+ echo "$$" > ${LOCK_PID}
+ return;
+ fi
+ done
+}
+
+unlock()
+{
+ rm -rf ${LOCK}
+}
+
+help()
+{
+ # Help message
+ echo "Usage: $0 {start|stop|reload|restart|status}";
+ exit 1;
+}
+
+status()
+{
+ RETVAL=0
+ for i in ${DAEMONS}; do
+ pstatus ${i};
+ if [ $? = 0 ]; then
+ RETVAL=1
+ echo "${i} not running..."
+ else
+ echo "${i} is running..."
+ fi
+ done
+ exit $RETVAL
+}
+
+testconfig()
+{
+ # We first loop to check the config.
+ for i in ${SDAEMONS}; do
+ ${DIR}/bin/${i} -t;
+ if [ $? != 0 ]; then
+ echo "${i}: Configuration error. Exiting"
+ unlock;
+ exit 1;
+ fi
+ done
+}
+
+# Start function
+start()
+{
+ SDAEMONS="ossec-execd ossec-agentd ossec-logcollector ossec-syscheckd"
+
+ echo "Starting $NAME $VERSION..."
+ lock;
+ checkpid;
+
+ # We actually start them now.
+ for i in ${SDAEMONS}; do
+ pstatus ${i};
+ if [ $? = 0 ]; then
+ ${DIR}/bin/${i};
+ if [ $? != 0 ]; then
+ echo "${i} did not start";
+ unlock;
+ exit 1;
+ fi
+
+ echo "Started ${i}..."
+ else
+ echo "${i} already running..."
+ fi
+ done
+
+ # After we start we give 2 seconds for the daemons
+ # to internally create their PID files.
+ sleep 2;
+ unlock;
+ echo "Completed."
+}
+
+pstatus()
+{
+ pfile=$1;
+
+ # pfile must be set
+ if [ "X${pfile}" = "X" ]; then
+ return 0;
+ fi
+
+ ls ${DIR}/var/run/${pfile}*.pid > /dev/null 2>&1
+ if [ $? = 0 ]; then
+ for j in `cat ${DIR}/var/run/${pfile}*.pid 2>/dev/null`; do
+ ps -p $j |grep ossec >/dev/null 2>&1
+ if [ ! $? = 0 ]; then
+ echo "${pfile}: Process $j not used by ossec, removing .."
+ rm -f ${DIR}/var/run/${pfile}-$j.pid
+ continue;
+ fi
+
+ kill -0 $j > /dev/null 2>&1
+ if [ $? = 0 ]; then
+ return 1;
+ fi
+ done
+ fi
+
+ return 0;
+}
+
+stopa()
+{
+ lock;
+ checkpid;
+ for i in ${DAEMONS}; do
+ pstatus ${i};
+ if [ $? = 1 ]; then
+ echo "Killing ${i} .. ";
+
+ kill `cat ${DIR}/var/run/${i}*.pid`;
+ else
+ echo "${i} not running ..";
+ fi
+
+ rm -f ${DIR}/var/run/${i}*.pid
+ done
+
+ unlock;
+ echo "$NAME $VERSION Stopped"
+}
+
+### MAIN HERE ###
+
+case "$1" in
+start)
+ testconfig
+ start
+ ;;
+stop)
+ stopa
+ ;;
+restart)
+ testconfig
+ stopa
+ sleep 1;
+ start
+ ;;
+reload)
+ DAEMONS="ossec-logcollector ossec-syscheckd ossec-agentd"
+ stopa
+ start
+ ;;
+status)
+ status
+ ;;
+help)
+ help
+ ;;
+*)
+ help
+esac
+