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#!/usr/bin/perl

# really quick and dirty

# Copyright (c) 2006 Peter Palfrader <peter@palfrader.org>
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

# my %ERRORS = ( OK => 0, WARNING => 1, CRITICAL => 2, UNKNOWN => -1 );

use English;
use strict;

my %CODE = (
	'UNDEF'		=> -1,
	'OK'		=> 0,
	'WARNING'	=> 1,
	'CRITICAL'	=> 2,
	'UNKNOWN'	=> 3
);

sub usage($$) {
	my ($fh, $exit) = @_;
	print $fh "Usage: $PROGRAM_NAME -H <host> -p <printer>\n";
	exit $exit;
}

my $host;
my $printer;

while (@ARGV) {
	my $a = shift @ARGV;

	if ($a eq '-h') {
		usage(*STDOUT,0);
	};
	if ($a eq '-H') {
		usage(*STDERR,1) unless @ARGV;
		$host = shift;
		next;
	};
	if ($a eq '-p') {
		usage(*STDERR,1) unless @ARGV;
		$printer = shift;
		next;
	};

	usage(*STDERR,1);
}
usage(*STDERR,1) unless $host;
usage(*STDERR,1) unless $printer;
if ($host =~ /[^A-Za-z0-9-.]/) {
	die "Evil chars in hostname '$host'\n";
}
if ($printer =~ /[^A-Za-z0-9-.]/) {
	die "Evil chars in printername '$printer'\n";
}

my $exit = 'OK';
my @msg;

open(LP, "/usr/bin/lpstat -h $host -p $printer |") or die ("Cannot exec/open lpstat: $!\n");
while (<LP>) {
	chomp;
	if (/disabled/) {
		$exit = 'CRITICAL';
	}
	push @msg, $_;
};
close (LP);

print "$exit: ".(join "; ", @msg)."\n";
exit $CODE{$exit};