#!/usr/bin/perl
#
# popup.alert - SMB popup (winpopup) alerts for mon
# version .03
#    Copyright (C) 2001, Matthew Rechs - rechsm@hotmail.com
# 
#    popup.alert is based on the alert.template distributed by mon, which is
#    Copyright (C) 1998, Jim Trocki
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#    example alert line in mon.cf:
#    
#    alert popup.alert netbios-name
# 
#    where netbios-name is the name of the workstation (not the user) 
#    that you want to send the popup to
# 

use Getopt::Std;
use Text::Wrap;
use Cwd;
getopts ("S:s:g:h:t:l:u");

@checkdirs = ('/usr/local/samba/bin/', '/usr/local/bin/', '/usr/bin/');

# Set this if you don't want popup.alert to find your smbclient for you
#$smbclient = '/path/to/smbclient';

while ($checkpath = shift @checkdirs && ! $smbclient) {
	$check = $checkpath . 'smbclient';
	if (-x $check) { 
	    $smbclient = $check; 
	    last ;
	}
}

#
# Last ditch attempt to find smbclient
#
if (! $smbclient ) {
	$smbclient = `which smbclient`; chomp $smbclient;
}

die("Couldn't find $smbclient - tried " . join(@checkdirs, ',') . ' and which') unless $smbclient;

$summary=<STDIN>;
chomp $summary;
while (<STDIN>) {
	$details .= $_;
}

$summary = $opt_S if (defined $opt_S);

$ALERT = $opt_u ? "UPALERT" : "ALERT";

$t = localtime($opt_t);

($wday,$mon,$day,$tm) = split (/\s+/, $t);
$alerttext = "
ALERT $opt_g/$opt_s: $summary ($wday $mon $day $tm)
Group                 : $opt_g
Service               : $opt_s
Time noticed          : $t
Secs until next alert : $opt_l
Members               : $opt_h
-------------------------------
$details ";

local $SIG{PIPE} = sub { die "pipe to smbclient was broken - $! $?"}; 

foreach $dest (@ARGV) {
	open(POPUP, "| $smbclient -M $dest > /dev/null") || die("Couldn't open pipe to $smbclient - $!");
	print POPUP $alerttext;
	close POPUP || die "broken pipe to $smbclient - $! $?";
}