#!/usr/bin/perl -wT

# Copyright (c) 2005, 2006, 2007, 2008 Peter Palfrader <peter@palfrader.org>
# Copyright (c) 2013 Tollef Fog Heen
#
# 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.


use strict;
use English;
use File::Basename;

my $ENVELOPE_FROM = 'nagios@debian.org';
my $HEADER_FROM = 'nagios@debian.org';
my $SENDMAIL = '/usr/sbin/sendmail';


$ENV{'PATH'} = '/bin:/usr/bin';
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};

die ("Usage: $PROGRAM_NAME <project> <contact_email> <type> <host> <service> <state> <output>\n") unless (scalar @ARGV == 7);
umask 077;

my ($project, $bot_address, $type, $host, $service, $state, $info) = @ARGV;
my $hosttype;

$type =~ tr/A-Z/a-z/;
$service = $host unless (defined $service and $service =~ /\S/);

if ($state =~ m/CRITICAL|DOWN|UNREACHABLE/ ) {
    $hosttype = "5$host";
} elsif ($state =~ m/WARNING/) {
    $hosttype = "7$host";
} elsif ($state =~ m/OK|UP/ ) {
    $hosttype = "3$host";
} elsif ($state =~ m/UNKNOWN/) {
    $hosttype = "10$host";
} else {
    $hosttype = "$type\@$host";
}

open(MAIL, "|$SENDMAIL -t -oi -f $ENVELOPE_FROM") or
	die ("Cannot exec sendmail: $!\n");
print MAIL "From: $HEADER_FROM\n";
print MAIL "To: $bot_address\n";
print MAIL "Subject: Announce $project\n";
print MAIL "Precedence: junk\n";
print MAIL "\n";
print MAIL "[$hosttype] $service is $state: $info\n";
close(MAIL);