1 #! /bin/bash

     2 PATH=$PATH:/usr/sbin:/sbin:/usr/local/sbin

     3 EXIM=$(command -v exim4 || command -v exim)

     4 

     5 smtp_accept_max=$(set -- $($EXIM -bP smtp_accept_max); echo $3)

     6 warn=$((smtp_accept_max * 7 / 10))

     7 crit=$smtp_accept_max

     8 

     9 tmp=$(getopt -n $0 -o w:c: -- "$@")

    10 eval set -- $tmp

    11 

    12 while :

    13 do

    14 	opt="$1"; shift

    15 	case "$opt" in

    16 		-w)	warn="$1"; shift;;

    17 		-c)	crit="$1"; shift;;

    18 		--)	break;;

    19 	esac

    20 done

    21 

    22 r=$(($(exiwhat | wc -l) -1 ))

    23 p="connections=$r;$warn;$crit"

    24 

    25 

    26 test $r -gt $crit && { echo "CRIT ($r connections)|$p"; exit 2; }

    27 test $r -gt $warn && { echo "WARN ($r connections)|$p"; exit 1; }

    28 echo "OK ($r connections)|$p"

    29 exit 0