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34 lines
911 B
Bash
34 lines
911 B
Bash
#!/bin/sh
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if [ "$1" = "-w" ] && [ "$2" -gt "0" ] && [ "$3" = "-c" ] && [ "$4" -gt "0" ] ; then
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WARN=$2
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CRIT=$4
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STATES=`pfctl -si | grep "current entries" | awk '{ print $3 }'`
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LIMIT=`pfctl -sm | grep states | awk '{ print $4 }'`
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#PERC=`echo "$((($STATES*100)/$LIMIT))"|bc`
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PERC=`expr $STATES \* 100 / $LIMIT`
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#echo $PERC
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#echo $PERC2
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if [ $PERC -lt $WARN ]; then
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MSG="OK"
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STATUS="0"
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elif [ $PERC -ge $CRIT ]; then
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MSG="CRITICAL"
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STATUS="2"
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elif [ $PERC -ge $WARN ]; then
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MSG="WARNING"
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STATUS="1"
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fi
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echo "$MSG - PF state table: $STATES ( $PERC% full - limit: $LIMIT) | current_states=$STATES;state_limit=$LIMIT;percent_used=$PERC"
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exit $STATUS
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else
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echo "check_pf_state_table.sh - Nagios Plugin for checking state table"
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echo ""
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echo "Usage: check_pf_state_table.sh -w <warnlevel> -c <critlevel>"
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exit 3
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fi
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