/usr/share/perl5/Nagios/Config.pm is in libnagios-object-perl 0.21.20-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# #
# Nagios::Config #
# Maintained by Duncan Ferguson <duncs@cpan.org> #
# Written by Albert Tobey <tobeya@cpan.org> #
# Copyright 2003-2009, Albert P Tobey #
# Copyright 2009, Albert P Tobey and Duncan Ferguson #
# #
# 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, 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. #
# #
###########################################################################
package Nagios::Config;
use warnings;
use strict qw( subs vars );
use Carp;
use Nagios::Object::Config;
use Nagios::Config::File;
use Nagios::Object qw(%nagios_setup);
use Symbol qw(gensym);
use File::Basename;
@Nagios::Config::ISA = qw( Nagios::Object::Config Nagios::Config::File );
# NOTE: due to CPAN version checks this cannot currently be changed to a
# standard version string, i.e. '0.21'
our $VERSION = '36';
our $fast_mode = undef;
=head1 NAME
Nagios::Config - Parser for the Nagios::Object set of perl modules
=head1 DESCRIPTION
Ties all of the Nagios::Object modules together, doing all the parsing and
background stuff so you don't have to.
All of the methods of Nagios::Object::Config and Nagios::Config::File are
inherited by this module.
=head1 SYNOPSIS
my $nagios_cfg = Nagios::Config->new( "nagios.cfg" );
my @host_objects = $nagios_cfg->list_hosts();
=head1 METHODS
=over 4
=item new()
Create a new Nagios::Config object, which will parse a Nagios main
configuration file and all of it's object configuration files.
The resource configuration file is not parsed - for that, use Nagios::Config::File.
my $cf = Nagios::Config->new( Filename => $configfile );
my $cf = Nagios::Config->new( Filename => $configfile, Version => 1 );
my $cf = Nagios::Config->new( Filename => $configfile, Version => 2 );
=cut
sub new {
my $class = ref( $_[0] ) ? ref(shift) : shift;
my $filename = undef;
my $version = undef;
my $allow_missing_files = undef;
my $force_relative_files = undef;
if ( @_ % 2 == 0 ) {
my %args = ();
for ( my $i = 0; $i <= @_ && defined $_[$i]; $i += 2 ) {
$args{ lc $_[$i] } = $_[ $i + 1 ];
}
if ( $args{filename} ) {
$filename = $args{filename};
}
if ( $args{version} ) {
$version = $args{version};
}
if ( $args{allow_missing_files} ) {
$allow_missing_files = 1;
}
if ( $args{force_relative_files} ) {
$force_relative_files = 1;
}
}
else {
croak "single argument form of new() no longer supported\n",
"try Nagios::Config->new( Filename => \$file );";
}
my $main_cfg = Nagios::Config::File->new($filename);
my $obj_cfgs = Nagios::Object::Config->new( Version => $version );
# parse all object configuration files
if ( my $files = $main_cfg->get('cfg_file') ) {
foreach my $file (@$files) {
if ($force_relative_files) {
$file = _modpath( $filename, $file );
}
next if ( $allow_missing_files && !-e $file );
$obj_cfgs->parse($file);
}
}
# parse all files in cfg_dir(s)
if ( my $dir = $main_cfg->get('cfg_dir') ) {
my @dir_files = ();
foreach my $cfgdir (@$dir) {
recurse_dir( \@dir_files, $cfgdir );
}
foreach my $file (@dir_files) {
if ($force_relative_files) {
$file = _modpath( $filename, $file );
}
next if ( $allow_missing_files && !-e $file );
$obj_cfgs->parse($file);
}
}
# set up the important parts of the Nagios::Config::File instance
$obj_cfgs->{filename} = $filename;
$obj_cfgs->{file_attributes} = $main_cfg->{file_attributes};
# resolve and register Nagios::Object tree
if ( !$fast_mode ) {
$obj_cfgs->resolve_objects();
$obj_cfgs->register_objects();
}
else {
warn "EXPERIMENTAL: possible breakage with fast_mode enabled";
}
return bless $obj_cfgs, $class;
}
sub recurse_dir {
my ( $file_list, $dir ) = @_;
my $fh = gensym;
opendir( $fh, $dir );
while ( my $file = readdir $fh ) {
if ( !-d "$dir/$file" && $file =~ /\.cfg$/ ) {
push( @$file_list, "$dir/$file" );
}
elsif ( -d "$dir/$file" && $file !~ /^\./ && $file ne 'CVS' ) {
recurse_dir( $file_list, "$dir/$file" );
}
}
}
sub _modpath {
my ( $main_cfg, $sub_cfg ) = @_;
my $cfgfile = File::Basename::basename($sub_cfg);
my $subdir = File::Basename::dirname($main_cfg);
return $subdir . '/' . $cfgfile;
}
sub fast_mode {
if ( $_[1] ) { $fast_mode = $_[1] }
$Nagios::Object::fast_mode = $fast_mode;
$Nagios::Object::Config::fast_mode = $fast_mode;
return $fast_mode;
}
1;
__END__
=back
=head1 AUTHOR
Al Tobey <tobeya@cpan.org>
=head1 SEE ALSO
Nagios::Config::File, Nagios::Object::Config, Nagios::Object
=cut
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