#!/bin/sh


DIRECTORY=/var/spool/sms/incoming
MAX_HOURS=24
PURGE_OLD_FILES=no
FROM_NUMBER=""
VERSION=1.0

OK=0
WARNING=1
CRITICAL=2
UNKNOWN=3


print_help() { 
      echo "check_smsend version $VERSION"
      echo "This plugin checks sms incoming for new SMS"
      echo ""
      echo "Usage: $0 [--directory] [--max-age] [--purge-old-files] [--verbose]"
      echo ""
}



# Parse arguments
while [ $# -gt 0 ]
do
  case $1
  in
    -h)
      print_help
      shift 1
	exit $OK
    ;;

    --help)
	print_help
	shift 1
	exit $OK
    ;;
    --max-age)
      MAX_AGE=$2
      shift 2
    ;;
    --directory)
      DIRECTORY=$2
      shift 2
    ;;
    --purge-old-files)
      PURGE_OLD_FILES=yes
      shift 1
    ;;
    --verbose)
      VERBOSE=yes
      shift 1
    ;;
    *)
	echo "Invalid parameter: $1"
	print_help
	exit $UNKNOWN
    ;;
  esac
done



if [ ! -d "$DIRECTORY" ]; then
	echo "Unknown - $DIRECTORY not found or not readable"
	exit $UNKNOWN
fi


RESULT=`find $DIRECTORY -type f -mtime -${MAX_HOURS}`
TMP=`echo $RESULT|wc -w`


# Clean up old files if we are asked to
if [ "$PURGE_OLD_FILES" = "YES" ]; then
	find $DIRECTORY -type f -mtime +${MAX_HOURS} -exec rm -f {} \;
fi

# Fail if we find no files
if [ $TMP -lt 1 ]; then
	echo "Warning - No recent SMS found in $DIRECTORY"
	exit $WARNING
fi


echo "OK - $TMP files found in $DIRECTORY"
if [ ! -z "$VERBOSE" ]; then
	for i in $RESULT; do echo $i; done
fi
exit $OK