Jonny007-MKD/check_nmap.sh
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Added port as performance output

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Jonny007-MKD 2020-02-28 20:56:10 +01:00 committed by root
parent d3d14a431e
commit f35340ff25
1 changed files with 36 additions and 16 deletions
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52
check_nmap.sh
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@ -29,12 +29,17 @@ while [[ $# -gt 0 ]]; do
echo "--input FILE: Read from this file. Default: /proc/mdstat" echo "--input FILE: Read from this file. Default: /proc/mdstat"
exit 0 exit 0
;; ;;
*)
echoerr "Unknown argument: $1"
exit 3
;;
esac esac
shift shift
done done
if [ -z "$HOST" -a -z "$INPUT" ]; then if [ -z "$HOST" -a -z "$INPUT" ]; then
echoerr "Missing host argument (-h)" echoerr "Missing host argument (-h)"
exit 3
fi fi
function log { function log {
@ -83,7 +88,8 @@ function runNmap {
} }
NOW_PORTS=false NOW_PORTS=false
OPEN_PORTS=() PORT_STATES=()
PORT_NAMES=()
function parseLine { function parseLine {
local line="$1" local line="$1"
if ! $NOW_PORTS; then if ! $NOW_PORTS; then
@ -94,53 +100,67 @@ function parseLine {
if [ -z "$line" ]; then if [ -z "$line" ]; then
NOW_PORTS=false NOW_PORTS=false
else else
local x=${line/\/*} local split
OPEN_PORTS+=($x) read -ra split <<< "$line"
local number=${split[0]/\/*}
local state=${split[1]}
local name=${split[2]}
PORT_STATES[$number]=$state
PORT_NAMES[$number]=$name
fi fi
fi fi
} }
ERROR=false ERROR=false
NEW_PORTS=() UNEXP_OPEN_PORTS=()
function comparePorts { function comparePorts {
log ${KNOWN_PORTS[@]} log ${KNOWN_PORTS[@]}
KNOWN_PORTS=($(for each in ${KNOWN_PORTS[@]}; do echo $each; done | sort)) KNOWN_PORTS=($(for each in ${KNOWN_PORTS[@]}; do echo $each; done | sort))
log ${KNOWN_PORTS[@]} log ${KNOWN_PORTS[@]}
for i in "${OPEN_PORTS[@]}"; do for port in "${!PORT_STATES[@]}"; do
if [[ "${PORT_STATES[$port]}" != open* ]]; then
continue;
fi
skip=false skip=false
for j in "${KNOWN_PORTS[@]}"; do for j in "${KNOWN_PORTS[@]}"; do
if [ $j -eq $i ]; then if [ $j -eq $port ]; then
skip=true skip=true
break break
fi fi
done done
if ! $skip; then if ! $skip; then
log Unexpected open port: $i log Unexpected open port: $port
NEW_PORTS+=($i) UNEXP_OPEN_PORTS+=($port)
fi fi
done done
if [ ${#NEW_PORTS[@]} -gt 0 ]; then if [ ${#UNEXP_OPEN_PORTS[@]} -gt 0 ]; then
ERROR=true ERROR=true
fi fi
} }
function print { function print {
if $ERROR; then if $ERROR; then
echo "CRITICAL - These ports should not be open: ${NEW_PORTS[@]}" echo -n "CRITICAL - These ports should not be open: ${UNEXP_OPEN_PORTS[@]}"
else else
echo "OK" echo -n "OK"
fi fi
echo -n " | "
if $ERROR; then for port in "${!PORT_STATES[@]}"; do
exit 2 echo -n "'${PORT_NAMES[$port]} ($port): ${PORT_STATES[$port]}'=0 "
else done
exit 0
fi
} }
runNmap runNmap
comparePorts comparePorts
print print
if $ERROR; then
exit 2
else
exit 0
fi