File check_smb of Package monitoring-plugins-smb

#!/bin/sh

# Check anon access to SMB for nagios.
# Dave Love <fx@gnu.org>, 2005-07-15

REVISION=1.0
PROGNAME=`/bin/basename $0`
PROGPATH=`echo $0 | /bin/sed -e 's,[\\/][^\\/][^\\/]*$,,'`

. $PROGPATH/utils.sh

usage () {
    echo "\
Nagios plugin to check if (anonymous) access to SMB on host works.

Usage:
  $PROGNAME -H <host>
  $PROGNAME --help
  $PROGNAME --version
"
}

help () {
    print_revision $PROGNAME $REVISION
    echo; usage; echo; support
}

if [ $# -lt 1 ] || [ $# -gt 2 ]; then
    usage
    exit $STATE_UNKNOWN
fi

while test -n "$1"; do
    case "$1" in
	--help | -h)
	    help
	    exit $STATE_OK;;
	--version | -V)
	    print_revision $PROGNAME $REVISION
	    exit $STATE_OK;;
	-H)
	    shift
	    host=$1;;
	*)
	    usage; exit $STATE_UNKNOWN;;
    esac
    shift
done

stdout=`/usr/bin/smbclient -U guest -N -L "$host" 2>&1`

if [ $? -eq 0 ]; then
    header=`echo "$stdout" | grep Server= | head -n 1`
    echo "OK $header"
    exit $STATE_OK
else
    err=`echo "$stdout" | head -n 1`
    echo "CRITICAL SMB anon access: $err"
    exit $STATE_CRITICAL
fi