New upstream version 2.3.2
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104 changed files with 34386 additions and 7430 deletions
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@ -1,8 +1,7 @@
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#!/bin/sh
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#
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# Log file pattern detector plugin for monitoring
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# Written by Ethan Galstad (nagios@nagios.org)
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# Last Modified: 07-31-1999
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# Written originally by Ethan Galstad (nagios@nagios.org)
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#
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# Usage: ./check_log <log_file> <old_log_file> <pattern>
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#
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@ -44,6 +43,10 @@
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# check the same <log_file> for pattern matches. This is necessary
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# because of the way the script operates.
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#
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# 4. This plugin does NOT have an understanding of logrotation or similar
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# mechanisms. Therefore bad timing could lead to missing events
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#
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#
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# Examples:
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#
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# Check for login failures in the syslog...
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@ -60,20 +63,25 @@
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PATH="@TRUSTED_PATH@"
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export PATH
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PROGNAME=`basename $0`
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PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
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PROGNAME=$(basename "$0")
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PROGPATH=$(echo "$0" | sed -e 's,[\\/][^\\/][^\\/]*$,,')
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REVISION="@NP_VERSION@"
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. $PROGPATH/utils.sh
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. "$PROGPATH"/utils.sh
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print_usage() {
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echo "Usage: $PROGNAME -F logfile -O oldlog -q query"
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echo "Usage: $PROGNAME --help"
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echo "Usage: $PROGNAME --version"
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echo ""
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echo "Other parameters:"
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echo " -a|--all : Print all matching lines"
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echo " -p|--perl-regex : Use perl style regular expressions in the query"
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echo " -e|--extended-regex : Use extended style regular expressions in the query (not necessary for GNU grep)"
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}
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print_help() {
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print_revision $PROGNAME $REVISION
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print_revision "$PROGNAME" "$REVISION"
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echo ""
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print_usage
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echo ""
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@ -87,7 +95,7 @@ print_help() {
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if [ $# -lt 1 ]; then
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print_usage
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exit $STATE_UNKNOWN
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exit "$STATE_UNKNOWN"
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fi
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# Grab the command line arguments
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@ -100,79 +108,123 @@ while test -n "$1"; do
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case "$1" in
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--help)
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print_help
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exit $STATE_OK
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exit "$STATE_OK"
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;;
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-h)
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print_help
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exit $STATE_OK
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exit "$STATE_OK"
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;;
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--version)
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print_revision $PROGNAME $REVISION
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exit $STATE_OK
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print_revision "$PROGNAME" "$REVISION"
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exit "$STATE_OK"
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;;
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-V)
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print_revision $PROGNAME $REVISION
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exit $STATE_OK
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print_revision "$PROGNAME" "$REVISION"
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exit "$STATE_OK"
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;;
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--filename)
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logfile=$2
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shift
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shift 2
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;;
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-F)
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logfile=$2
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shift
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shift 2
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;;
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--oldlog)
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oldlog=$2
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shift
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shift 2
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;;
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-O)
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oldlog=$2
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shift
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shift 2
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;;
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--query)
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query=$2
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shift
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shift 2
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;;
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-q)
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query=$2
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shift
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shift 2
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;;
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-x)
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exitstatus=$2
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shift
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shift 2
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;;
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--exitstatus)
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exitstatus=$2
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shift 2
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;;
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--extended-regex)
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ERE=1
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shift
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;;
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-e)
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ERE=1
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shift
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;;
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--perl-regex)
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PRE=1
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shift
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;;
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-p)
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PRE=1
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shift
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;;
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--all)
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ALL=1
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shift
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;;
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-a)
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ALL=1
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shift
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;;
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*)
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echo "Unknown argument: $1"
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print_usage
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exit $STATE_UNKNOWN
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exit "$STATE_UNKNOWN"
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;;
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esac
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shift
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done
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# Parameter sanity check
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if [ $ERE ] && [ $PRE ] ; then
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echo "Can not use extended and perl regex at the same time"
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exit "$STATE_UNKNOWN"
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fi
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GREP="grep"
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if [ $ERE ]; then
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GREP="grep -E"
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fi
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if [ $PRE ]; then
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GREP="grep -P"
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fi
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# If the source log file doesn't exist, exit
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if [ ! -e $logfile ]; then
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if [ ! -e "$logfile" ]; then
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echo "Log check error: Log file $logfile does not exist!"
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exit $STATE_UNKNOWN
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elif [ ! -r $logfile ] ; then
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exit "$STATE_UNKNOWN"
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elif [ ! -r "$logfile" ] ; then
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echo "Log check error: Log file $logfile is not readable!"
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exit $STATE_UNKNOWN
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exit "$STATE_UNKNOWN"
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fi
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# If no oldlog was given this can not work properly, abort then
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if [ -z "$oldlog" ]; then
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echo "Oldlog parameter is needed"
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exit $STATE_UNKNOWN
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fi
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# If the old log file doesn't exist, this must be the first time
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# we're running this test, so copy the original log file over to
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# the old diff file and exit
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if [ ! -e $oldlog ]; then
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cat $logfile > $oldlog
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if [ ! -e "$oldlog" ]; then
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cat "$logfile" > "$oldlog"
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echo "Log check data initialized..."
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exit $STATE_OK
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exit "$STATE_OK"
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fi
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# The old log file exists, so compare it to the original log now
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@ -180,31 +232,42 @@ fi
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# The temporary file that the script should use while
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# processing the log file.
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if [ -x /bin/mktemp ]; then
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tempdiff=`/bin/mktemp /tmp/check_log.XXXXXXXXXX`
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tempdiff=$(/bin/mktemp /tmp/check_log.XXXXXXXXXX)
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else
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tempdiff=`/bin/date '+%H%M%S'`
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tempdiff=$(/bin/date '+%H%M%S')
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tempdiff="/tmp/check_log.${tempdiff}"
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touch $tempdiff
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chmod 600 $tempdiff
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touch "$tempdiff"
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chmod 600 "$tempdiff"
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fi
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diff $logfile $oldlog | grep -v "^>" > $tempdiff
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diff "$logfile" "$oldlog" | grep -v "^>" > "$tempdiff"
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# Count the number of matching log entries we have
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count=`grep -c "$query" $tempdiff`
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# Get the last matching entry in the diff file
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lastentry=`grep "$query" $tempdiff | tail -1`
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if [ $ALL ]; then
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# Get the last matching entry in the diff file
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entry=$($GREP "$query" "$tempdiff")
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rm -f $tempdiff
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cat $logfile > $oldlog
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# Count the number of matching log entries we have
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count=$(echo "$entry" | wc -l)
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else
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# Count the number of matching log entries we have
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count=$($GREP -c "$query" "$tempdiff")
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# Get the last matching entry in the diff file
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entry=$($GREP "$query" "$tempdiff" | tail -1)
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fi
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rm -f "$tempdiff"
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cat "$logfile" > "$oldlog"
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if [ "$count" = "0" ]; then # no matches, exit with no error
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echo "Log check ok - 0 pattern matches found"
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exitstatus=$STATE_OK
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else # Print total matche count and the last entry we found
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echo "($count) $lastentry"
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else # Print total match count and the last entry we found
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echo "($count) $entry"
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exitstatus=$STATE_CRITICAL
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fi
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exit $exitstatus
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exit "$exitstatus"
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