diff --git a/apps/protocols/dhcp/.plugin.pm.swp b/apps/protocols/dhcp/.plugin.pm.swp new file mode 100644 index 000000000..cd0ce79c2 Binary files /dev/null and b/apps/protocols/dhcp/.plugin.pm.swp differ diff --git a/apps/protocols/dhcp/mode/connection.pm b/apps/protocols/dhcp/mode/connection.pm new file mode 100644 index 000000000..4f14de2b4 --- /dev/null +++ b/apps/protocols/dhcp/mode/connection.pm @@ -0,0 +1,148 @@ +############################################################################### +# Copyright 2005-2015 CENTREON +# Centreon is developped by : Julien Mathis and Romain Le Merlus under +# GPL Licence 2.0. +# +# 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. +# +# 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, see . +# +# Linking this program statically or dynamically with other modules is making a +# combined work based on this program. Thus, the terms and conditions of the GNU +# General Public License cover the whole combination. +# +# As a special exception, the copyright holders of this program give CENTREON +# permission to link this program with independent modules to produce an timeelapsedutable, +# regardless of the license terms of these independent modules, and to copy and +# distribute the resulting timeelapsedutable under terms of CENTREON choice, provided that +# CENTREON also meet, for each linked independent module, the terms and conditions +# of the license of that module. An independent module is a module which is not +# derived from this program. If you modify this program, you may extend this +# exception to your version of the program, but you are not obliged to do so. If you +# do not wish to do so, delete this exception statement from your version. +# +# For more information : contact@centreon.com +# Author : Mathieu Cinquin +# +#################################################################################### + +package apps::protocols::dhcp::mode::connection; + +use base qw(centreon::plugins::mode); + +use strict; +use warnings; +use IO::Socket; +use IO::Select; +use Net::DHCP::Packet; +use Net::DHCP::Constants; +use Data::Dumper; + +sub new { + my ($class, %options) = @_; + my $self = $class->SUPER::new(package => __PACKAGE__, %options); + bless $self, $class; + + $self->{version} = '1.0'; + $options{options}->add_options(arguments => + { + "hostname:s" => { name => 'hostname' }, + "timeout:s" => { name => 'timeout', default => '3'}, + }); + return $self; +} + +sub check_options { + my ($self, %options) = @_; + $self->SUPER::init(%options); + + if (!defined($self->{option_results}->{hostname})) { + $self->{output}->add_option_msg(short_msg => "Please set the hostname option"); + $self->{output}->option_exit(); + } + if (!defined($self->{option_results}->{timeout})) { + $self->{output}->add_option_msg(short_msg => "Please set the timeout option"); + $self->{output}->option_exit(); + } +} + +sub run { + my ($self, %options) = @_; + + my ($discover, $socket, $listen, $response, $discresponse, $buf); + + #Create DHCP Discover Packet + $discover = Net::DHCP::Packet->new( + Xid => int(rand(0xFFFFFFFF)), + Flags => 0x8000, + Chaddr => '999999000000', + DHO_HOST_NAME() => 'perl test', + DHO_VENDOR_CLASS_IDENTIFIER() => 'foo', + DHO_DHCP_MESSAGE_TYPE() => DHCPDISCOVER(), + ); + + + #Create UDP Socket + socket($socket, AF_INET, SOCK_DGRAM, getprotobyname('udp')); + setsockopt($socket, SOL_SOCKET, SO_REUSEADDR, 1); + setsockopt($socket, SOL_SOCKET, SO_BROADCAST, 1); + my $distipaddr = sockaddr_in(67, INADDR_BROADCAST); + my $str = $discover->serialize(); + my $binding = bind($socket, sockaddr_in('68', INADDR_ANY)); + + #Send UDP Packet + send($socket, $str, 0, $distipaddr); + + #Wait DHCP OFFER Packet + my $wait = IO::Select->new($socket); + while (my ($found) = $wait->can_read($self->{option_results}->{timeout})) { + my $srcpaddr = recv($socket, my $data, 4096, 0); + $response = new Net::DHCP::Packet($data); + $discresponse = $response->toString(); + } + + close $socket; + + #Output + if ($discresponse !~ /siaddr = $self->{option_results}->{hostname}/) { + $self->{output}->output_add(severity => 'CRITICAL', + short_msg => sprintf("No DHCP Server found")); + } elsif ( $discresponse =~ /yiaddr = 0.0.0.0/ ) { + $self->{output}->output_add(severity => 'WARNING', + short_msg => sprintf("DHCP Server found with no free lease")); + } else { + $self->{output}->output_add(severity => 'OK', + short_msg => sprintf("DHCP Server found with free lease")); + } + + $self->{output}->display(); + $self->{output}->exit(); +} +1; + +__END__ + +=head1 MODE + +Check DHCP server availability + +=over 8 + +=item B<--hostname> + +IP Addr of the DHCP server + +=item B<--timeout> + +Connection timeout in seconds (Default: 3) + +=back + +=cut diff --git a/apps/protocols/dhcp/plugin.pm b/apps/protocols/dhcp/plugin.pm new file mode 100644 index 000000000..9c579f551 --- /dev/null +++ b/apps/protocols/dhcp/plugin.pm @@ -0,0 +1,63 @@ +################################################################################ +# Copyright 2005-2015 Centreon +# Centreon is developped by : Julien Mathis and Romain Le Merlus under +# GPL Licence 2.0. +# +# 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. +# +# 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, see . +# +# Linking this program statically or dynamically with other modules is making a +# combined work based on this program. Thus, the terms and conditions of the GNU +# General Public License cover the whole combination. +# +# As a special exception, the copyright holders of this program give CENTREON +# permission to link this program with independent modules to produce an executable, +# regardless of the license terms of these independent modules, and to copy and +# distribute the resulting executable under terms of CENTREON choice, provided that +# CENTREON also meet, for each linked independent module, the terms and conditions +# of the license of that module. An independent module is a module which is not +# derived from this program. If you modify this program, you may extend this +# exception to your version of the program, but you are not obliged to do so. If you +# do not wish to do so, delete this exception statement from your version. +# +# For more information : contact@centreon.com +# Authors : Mathieu Cinquin +# +#################################################################################### + +package apps::protocols::dhcp::plugin; + +use strict; +use warnings; +use base qw(centreon::plugins::script_simple); + +sub new { + my ($class, %options) = @_; + my $self = $class->SUPER::new(package => __PACKAGE__, %options); + bless $self, $class; + # $options->{options} = options object + + $self->{version} = '1.0'; + %{$self->{modes}} = ( + 'connection' => 'apps::protocols::dhcp::mode::connection', + ); + return $self; +} + +1; + +__END__ + +=head1 PLUGIN DESCRIPTION + +Check a DHCP server. + +=cut