add ssh plugin
This commit is contained in:
qgarnier
parent
4869ff09c3
commit
b930bd6369
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#
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# Copyright 2017 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 apps::protocols::ssh::mode::login;
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use base qw(centreon::plugins::templates::counter);
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use strict;
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use warnings;
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my $instance_mode;
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sub custom_status_threshold_output {
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my ($self, %options) = @_;
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my $status = 'ok';
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my $message;
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eval {
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local $SIG{__WARN__} = sub { $message = $_[0]; };
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local $SIG{__DIE__} = sub { $message = $_[0]; };
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if (defined($instance_mode->{option_results}->{critical_status}) && $instance_mode->{option_results}->{critical_status} ne '' &&
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eval "$instance_mode->{option_results}->{critical_status}") {
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$status = 'critical';
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} elsif (defined($instance_mode->{option_results}->{warning_status}) && $instance_mode->{option_results}->{warning_status} ne '' &&
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eval "$instance_mode->{option_results}->{warning_status}") {
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$status = 'warning';
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}
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};
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if (defined($message)) {
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$self->{output}->output_add(long_msg => 'filter status issue: ' . $message);
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}
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return $status;
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}
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sub custom_status_output {
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my ($self, %options) = @_;
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my $msg = sprintf("%s", $self->{result_values}->{message});
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return $msg;
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}
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sub custom_status_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{message} = $options{new_datas}->{$self->{instance} . '_message'};
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$self->{result_values}->{status} = $options{new_datas}->{$self->{instance} . '_status'};
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return 0;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'global', type => 0 },
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];
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$self->{maps_counters}->{global} = [
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{ label => 'status', threshold => 0, set => {
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key_values => [ { name => 'status' }, { name => 'message' } ],
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closure_custom_calc => $self->can('custom_status_calc'),
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closure_custom_output => $self->can('custom_status_output'),
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closure_custom_perfdata => sub { return 0; },
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closure_custom_threshold_check => $self->can('custom_status_threshold_output'),
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}
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},
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];
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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{
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"warning-status:s" => { name => 'warning_status', default => '' },
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"critical-status:s" => { name => 'critical_status', default => '%{message} !~ /authentification succeeded/i' },
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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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$self->SUPER::check_options(%options);
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$instance_mode = $self;
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$self->change_macros();
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}
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sub change_macros {
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my ($self, %options) = @_;
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foreach (('warning_status', 'critical_status')) {
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if (defined($self->{option_results}->{$_})) {
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$self->{option_results}->{$_} =~ s/%\{(.*?)\}/\$self->{result_values}->{$1}/g;
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}
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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my $result = $options{custom}->login();
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$self->{global} = { %$result };
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}
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1;
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__END__
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=head1 MODE
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Check SSH connection.
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=over 8
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=item B<--warning-status>
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Set warning threshold for status.
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Can used special variables like: %{status}, %{message}
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=item B<--critical-status>
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Set critical threshold for status (Default: '%{message} !~ /authentification succeeded/i'
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Can used special variables like: %{status}, %{message}
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=back
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=cut
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@ -0,0 +1,52 @@
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#
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# Copyright 2017 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 apps::protocols::ssh::plugin;
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use strict;
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use warnings;
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use base qw(centreon::plugins::script_custom);
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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, $class;
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$self->{version} = '0.1';
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%{$self->{modes}} = (
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'login' => 'apps::protocols::ssh::mode::login',
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);
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$self->{custom_modes}{api} = 'centreon::common::protocols::ssh::custom::api';
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return $self;
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}
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1;
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__END__
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=head1 PLUGIN DESCRIPTION
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Check a SSH server.
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Need Libssh perl:
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https://github.com/garnier-quentin/perl-libssh
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=cut
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@ -0,0 +1,201 @@
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#
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# Copyright 2017 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 centreon::common::protocols::ssh::custom::api;
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use strict;
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use warnings;
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use Libssh::Session qw(:all);
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sub new {
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my ($class, %options) = @_;
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my $self = {};
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bless $self, $class;
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if (!defined($options{output})) {
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print "Class Custom: Need to specify 'output' argument.\n";
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exit 3;
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}
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if (!defined($options{options})) {
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$options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
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$options{output}->option_exit();
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}
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if (!defined($options{noptions})) {
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$options{options}->add_options(arguments =>
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{
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"hostname:s@" => { name => 'hostname' },
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"port:s@" => { name => 'port' },
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"timeout:s@" => { name => 'timeout' },
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"ssh-username:s@" => { name => 'ssh_username' },
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"ssh-password:s@" => { name => 'ssh_password' },
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"ssh-dir:s@" => { name => 'ssh_dir' },
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"ssh-identity:s@" => { name => 'ssh_identity' },
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"ssh-skip-serverkey-issue" => { name => 'ssh_skip_serverkey_issue' },
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});
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}
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$options{options}->add_help(package => __PACKAGE__, sections => 'SSH OPTIONS', once => 1);
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$self->{output} = $options{output};
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$self->{mode} = $options{mode};
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$self->{ssh} = undef;
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return $self;
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}
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sub set_options {
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my ($self, %options) = @_;
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$self->{option_results} = $options{option_results};
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}
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sub set_defaults {
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my ($self, %options) = @_;
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foreach (keys %{$options{default}}) {
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if ($_ eq $self->{mode}) {
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for (my $i = 0; $i < scalar(@{$options{default}->{$_}}); $i++) {
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foreach my $opt (keys %{$options{default}->{$_}[$i]}) {
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if (!defined($self->{option_results}->{$opt}[$i])) {
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$self->{option_results}->{$opt}[$i] = $options{default}->{$_}[$i]->{$opt};
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}
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}
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}
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}
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}
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->{hostname} = (defined($self->{option_results}->{hostname})) ? shift(@{$self->{option_results}->{hostname}}) : undef;
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$self->{port} = (defined($self->{option_results}->{port})) ? shift(@{$self->{option_results}->{port}}) : 22;
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$self->{timeout} = (defined($self->{option_results}->{timeout})) ? shift(@{$self->{option_results}->{timeout}}) : 10;
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$self->{ssh_username} = (defined($self->{option_results}->{ssh_username})) ? shift(@{$self->{option_results}->{ssh_username}}) : undef;
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$self->{ssh_password} = (defined($self->{option_results}->{ssh_password})) ? shift(@{$self->{option_results}->{ssh_password}}) : undef;
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$self->{ssh_dir} = (defined($self->{option_results}->{ssh_dir})) ? shift(@{$self->{option_results}->{ssh_dir}}) : undef;
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$self->{ssh_identity} = (defined($self->{option_results}->{ssh_identity})) ? shift(@{$self->{option_results}->{ssh_identity}}) : undef;
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$self->{ssh_skip_serverkey_issue} = defined($self->{option_results}->{ssh_skip_serverkey_issue}) ? 1 : 0;
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if (!defined($self->{hostname}) || $self->{hostname} eq '') {
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$self->{output}->add_option_msg(short_msg => "Please set option --hostname.");
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$self->{output}->option_exit();
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}
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if (!defined($self->{hostname}) ||
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scalar(@{$self->{option_results}->{hostname}}) == 0) {
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return 0;
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}
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return 1;
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}
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sub login {
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my ($self, %options) = @_;
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my $result = { status => 0, message => 'authentification succeeded' };
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$self->{ssh} = Libssh::Session->new();
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foreach (['hostname', 'host'], ['port', 'port'], ['timeout', 'timeout'], ['ssh_username', 'user'],
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['ssh_dir', 'sshdir'], ['ssh_identity', 'identity']) {
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next if (!defined($self->{$_->[0]}) || $self->{$_->[0]} eq '');
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if ($self->{ssh}->options($_->[1] => $self->{$_->[0]}) != SSH_OK) {
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$result->{message} = $self->{ssh}->error();
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$result->{status} = 1;
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return $result;
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}
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}
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if ($self->{ssh}->connect(SkipKeyProblem => $self->{ssh_skip_serverkey_issue}) != SSH_OK) {
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$result->{message} = $self->{ssh}->error();
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$result->{status} = 1;
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return $result;
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}
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if ($self->{ssh}->auth_publickey_auto() != SSH_AUTH_SUCCESS) {
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if (defined($self->{ssh_username}) && $self->{ssh_username} ne '' &&
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defined($self->{ssh_password}) && $self->{ssh_password} ne '' &&
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$self->{ssh}->auth_password(password => $self->{ssh_password}) == SSH_AUTH_SUCCESS) {
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return $result;
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}
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my $msg_error = $self->{ssh}->error(GetErrorSession => 1);
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$result->{message} = sprintf("auth issue: %s", defined($msg_error) && $msg_error ne '' ? $msg_error : 'pubkey issue');
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$result->{status} = 1;
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}
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return $result;
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}
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1;
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__END__
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=head1 NAME
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SSH connector library
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=head1 SYNOPSIS
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my ssh connector
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=head1 SSH OPTIONS
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=over 8
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=item B<--hostname>
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SSH server hostname (required).
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=item B<--port>
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SSH port.
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=item B<--timeout>
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Timeout in seconds for connection (Defaults: 10 seconds)
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=item B<--ssh-username>
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SSH username.
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=item B<--ssh-password>
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SSH password.
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=item B<--ssh-dir>
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Set the ssh directory.
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=item B<--ssh-identity>
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Set the identity file name (default: id_dsa and id_rsa are checked).
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=item B<--ssh-skip-serverkey-issue>
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Connection will be OK even if there is a problem (server known changed or server found other) with the ssh server.
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=back
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=head1 DESCRIPTION
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B<custom>.
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=cut
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