#!/usr/bin/perl

use warnings;
use strict;
use Net::FTP;
use Getopt::Long qw/ :config no_ignore_case /;
use Pod::Usage;

my %options;

pod2usage( -exitval => 3, -verbose => 0 )
    if ! GetOptions(\%options, 'Host=s', 'send:s@', 'help', 'h') 
        or $options{h};

pod2usage( -exitval => 3, -verbose => 2 )
    if $options{help};

pod2usage( 
    -exitval => 3, 
    -verbose => 0, 
    -msg => 'Please specify hostname'
    ) unless $options{Host};

my $ftp = Net::FTP->new($options{Host})
    or exit_plugin(2, $@);

foreach my $cmd (grep $_, @{$options{send}}) {
    unless (eval "\$ftp->$cmd") {
        exit_plugin(3, $@) if $@;
        exit_plugin(2, $ftp->message);
    }
}

exit_plugin(0, 'chat done');

sub exit_plugin {
    my $num = shift;
    my $str = shift;
    my @stat = qw/ OK WARNING CRITICAL UNKNOWN/;

    print "FTP $stat[$num] - $str\n";
    exit $num;
}

__END__

=head1 NAME

B<ftp_chat> - Nagios FTP chat plugin


=head1 SYNOPSIS

C<ftp_chat -h|--help -Host hostname -send command -send command ...>


=head1 DESCRIPTION

This script performs FTP operations specified by commands using Net::FTP 
module, so you should write your commands in respect to it's methods. (And 
don't forget to escape from the shell characters like (), '' and so on).


=head1 SEE ALSO

L<Net::FTP>, Nagios: L<http://www.nagios.org>.


=head1 AUTHOR

Al Nikolov E<lt>alnikolov@narod.ruE<gt>


=head1 LICENCE AND COPYRIGHT

Copyright (c) 2005, Al Nikolov E<lt>alnikolov@narod.ruE<gt>. All rights
reserved.

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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
USA


=head1 DISCLAIMER OF WARRANTY

BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH
YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
NECESSARY SERVICING, REPAIR, OR CORRECTION.

IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE
LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL,
OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.


=cut
~