103 lines
3.0 KiB
Perl
103 lines
3.0 KiB
Perl
#
|
|
# Copyright 2015 Centreon (http://www.centreon.com/)
|
|
#
|
|
# Centreon is a full-fledged industry-strength solution that meets
|
|
# the needs in IT infrastructure and application monitoring for
|
|
# service performance.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#
|
|
|
|
package apps::protocols::dns::lib::dns;
|
|
|
|
use strict;
|
|
use warnings;
|
|
use Net::DNS;
|
|
|
|
my $handle;
|
|
|
|
my %map_search_field = (
|
|
MX => 'exchange',
|
|
SOA => 'mname',
|
|
NS => 'nsdname',
|
|
A => 'address',
|
|
PTR => 'name',
|
|
);
|
|
|
|
sub search {
|
|
my ($self, %options) = @_;
|
|
|
|
my @results = ();
|
|
my $search_type = $self->{option_results}->{search_type};
|
|
if (defined($search_type) && !defined($map_search_field{$search_type})) {
|
|
$self->{output}->add_option_msg(short_msg => "search-type '$search_type' is unknown or unsupported");
|
|
$self->{output}->option_exit();
|
|
}
|
|
|
|
my $error_quit = defined($options{error_quit}) ? $options{error_quit} : undef;
|
|
|
|
my $reply = $handle->search($self->{option_results}->{search}, $search_type);
|
|
if ($reply) {
|
|
foreach my $rr ($reply->answer) {
|
|
if (!defined($search_type)) {
|
|
if ($rr->type eq 'A') {
|
|
push @results, $rr->address;
|
|
}
|
|
if ($rr->type eq 'PTR') {
|
|
push @results, $rr->name;
|
|
}
|
|
next;
|
|
}
|
|
|
|
next if ($rr->type ne $search_type);
|
|
my $search_field = $map_search_field{$search_type};
|
|
push @results, $rr->$search_field;
|
|
}
|
|
} else {
|
|
if (defined($error_quit)) {
|
|
$self->{output}->output_add(severity => $error_quit,
|
|
short_msg => sprintf("DNS Query Failed: %s", $handle->errorstring));
|
|
$self->{output}->display();
|
|
$self->{output}->exit();
|
|
}
|
|
}
|
|
|
|
return @results;
|
|
}
|
|
|
|
sub connect {
|
|
my ($self, %options) = @_;
|
|
my %dns_options = ();
|
|
|
|
my $nameservers = [];
|
|
if (defined($self->{option_results}->{nameservers})) {
|
|
$nameservers = [@{$self->{option_results}->{nameservers}}];
|
|
}
|
|
my $searchlist = [];
|
|
if (defined($self->{option_results}->{searchlist})) {
|
|
$searchlist = [@{$self->{option_results}->{searchlist}}];
|
|
}
|
|
foreach my $option (@{$self->{option_results}->{dns_options}}) {
|
|
next if ($option !~ /^(.+?)=(.+)$/);
|
|
$dns_options{$1} = $2;
|
|
}
|
|
|
|
$handle = Net::DNS::Resolver->new(
|
|
nameservers => $nameservers,
|
|
searchlist => $searchlist,
|
|
%dns_options
|
|
);
|
|
}
|
|
|
|
1;
|