add nmap discovery
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Colin Gagnaire
parent
0584201179
commit
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#
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# Copyright 2019 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package os::linux::local::mode::discoverynmap;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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use centreon::plugins::snmp;
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use JSON::XS;
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use XML::Simple;
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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"subnet:s" => { name => 'subnet' },
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"command:s" => { name => 'command', default => 'nmap' },
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"command-path:s" => { name => 'command_path' },
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"command-options:s" => {
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name => 'command_options',
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default => '-sS -sU -R -O --osscan-limit --osscan-guess -p U:161,162,T:21-25,80,139,443,3306,8080,8443 -oX -'
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},
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"timeout:s" => { name => 'timeout', default => 120 },
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"sudo" => { name => 'sudo' },
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"prettify" => { name => 'prettify' },
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});
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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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if (!defined($self->{option_results}->{subnet}) ||
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$self->{option_results}->{subnet} !~ /(\d+)\.(\d+)\.(\d+)\.(\d+)\/(\d+)/) {
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$self->{output}->add_option_msg(short_msg => "Need to specify --subnet option (<ip>/<cidr>).");
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$self->{output}->option_exit();
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}
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}
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my $lookup_type = [
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{ type => 'cisco standard', re => qr/Cisco IOS Software/i },
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{ type => 'emc data domain', re => qr/Data Domain/i },
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{ type => 'sonicwall', re => qr/SonicWALL/i },
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{ type => 'silverpeak', re => qr/Silver Peak/i },
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{ type => 'stonesoft', re => qr/Forcepoint/i },
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{ type => 'redback', re => qr/Redback/i },
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{ type => 'palo alto', re => qr/Palo Alto/i },
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{ type => 'hp procurve', re => qr/HP ProCurve/i },
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{ type => 'hp standard', re => qr/HPE Comware/i },
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{ type => 'hp msl', re => qr/HP MSL/i },
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{ type => 'mrv optiswitch', re => qr/OptiSwitch/i },
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{ type => 'netapp', re => qr/Netapp/i },
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{ type => 'linux', re => qr/linux/i },
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{ type => 'windows', re => qr/windows/i },
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{ type => 'macos', re => qr/Darwin/i },
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{ type => 'hp-ux', re => qr/HP-UX/i },
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{ type => 'freebsd', re => qr/FreeBSD/i },
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];
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sub define_type {
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my ($self, %options) = @_;
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return "unknown" unless (defined($options{desc}) && $options{desc} ne '');
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foreach (@$lookup_type) {
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if ($options{desc} =~ /$_->{re}/) {
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return $_->{type};
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}
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}
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return "unknown";
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}
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sub decode_xml_response {
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my ($self, %options) = @_;
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my $content;
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eval {
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$content = XMLin($options{response}, ForceArray => $options{ForceArray}, KeyAttr => []);
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};
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if ($@) {
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$self->{output}->add_option_msg(short_msg => "Cannot decode xml response: $@");
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$self->{output}->option_exit();
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}
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return $content;
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}
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sub run {
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my ($self, %options) = @_;
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my @disco_data;
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my $disco_stats;
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$disco_stats->{start_time} = time();
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my $command_options = $self->{option_results}->{command_options} . ' ' . $self->{option_results}->{subnet};
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my ($stdout, $exit_code) = centreon::plugins::misc::execute(
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output => $self->{output},
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options => $self->{option_results},
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sudo => $self->{option_results}->{sudo},
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command => $self->{option_results}->{command},
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command_path => $self->{option_results}->{command_path},
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command_options => $command_options
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);
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my $results = $self->decode_xml_response(
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response => $stdout,
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ForceArray => ['host', 'port', 'address', 'hostname']
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);
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foreach my $entry (@{$results->{host}}) {
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my %host;
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$host{status} = $entry->{status}->{state};
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$host{os} = $entry->{os}->{osmatch}->{name};
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$host{type} = $self->define_type(desc => $entry->{os}->{osmatch}->{name});
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$host{ip} = undef;
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$host{addresses} = undef;
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$host{hostname} = undef;
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$host{hostnames} = undef;
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$host{vendor} = undef;
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$host{services} = undef;
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foreach my $hostname (@{$entry->{hostnames}->{hostname}}) {
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push @{$host{hostnames}}, { name => $hostname->{name}, type => $hostname->{type} };
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$host{hostname} = $hostname->{name} if (!defined($host{hostname}));
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}
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foreach my $address (@{$entry->{address}}) {
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push @{$host{addresses}}, { address => $address->{addr}, type => $address->{addrtype} };
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$host{ip} = $address->{addr} if (!defined($host{ip}) && $address->{addrtype} =~ /^ipv/);
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$host{vendor} = $address->{vendor} if (!defined($host{vendor}) && defined($address->{vendor}));
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}
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foreach my $port (@{$entry->{ports}->{port}}) {
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next if ($port->{state}->{state} !~ /open/);
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push @{$host{services}}, {
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port => $port->{portid} . '/' . $port->{protocol},
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name => $port->{service}->{name}
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};
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}
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push @disco_data, \%host;
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}
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$disco_stats->{end_time} = time();
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$disco_stats->{duration} = $disco_stats->{end_time} - $disco_stats->{start_time};
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$disco_stats->{discovered_items} = @disco_data;
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$disco_stats->{results} = \@disco_data;
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my $encoded_data;
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eval {
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if (defined($self->{option_results}->{prettify})) {
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$encoded_data = JSON::XS->new->utf8->pretty->encode($disco_stats);
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} else {
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$encoded_data = JSON::XS->new->utf8->encode($disco_stats);
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}
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};
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if ($@) {
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$encoded_data = '{"code":"encode_error","message":"Cannot encode discovered data into JSON format"}';
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}
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$self->{output}->output_add(short_msg => $encoded_data);
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$self->{output}->display(nolabel => 1, force_ignore_perfdata => 1);
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$self->{output}->exit();
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}
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1;
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__END__
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=head1 MODE
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Resources discovery.
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=over 8
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=item B<--subnet>
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Specify subnet from which discover
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resources (Must be <ip>/<cidr> format) (Mandatory).
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=item B<--prettify>
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Prettify JSON output.
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=back
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=cut
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@ -36,6 +36,7 @@ sub new {
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'cmd-return' => 'os::linux::local::mode::cmdreturn',
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'connections' => 'os::linux::local::mode::connections',
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'directlvm-usage' => 'os::linux::local::mode::directlvmusage',
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'discovery-nmap' => 'os::linux::local::mode::discoverynmap',
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'discovery-snmp' => 'os::linux::local::mode::discoverysnmp',
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'diskio' => 'os::linux::local::mode::diskio',
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'files-size' => 'os::linux::local::mode::filessize',
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