Initial Commit

database/perl/vendor/lib/Net/DNS/Resolver/UNIX.pm

@@ -0,0 +1,90 @@
+package Net::DNS::Resolver::UNIX;
+
+use strict;
+use warnings;
+our $VERSION = (qw$Id: UNIX.pm 1811 2020-10-05 08:24:23Z willem $)[2];
+
+
+=head1 NAME
+
+Net::DNS::Resolver::UNIX - Unix resolver class
+
+=cut
+
+
+use base qw(Net::DNS::Resolver::Base);
+
+
+my @config_file = grep { -f $_ && -r _ } '/etc/resolv.conf';
+
+my $dotfile = '.resolv.conf';
+my @dotpath = grep {defined} $ENV{HOME}, '.';
+my @dotfile = grep { -f $_ && -o _ } map {"$_/$dotfile"} @dotpath;
+
+
+local $ENV{PATH} = '/bin:/usr/bin';
+my $uname = eval {`uname -n 2>/dev/null`} || '';
+chomp $uname;
+my ( $host, @domain ) = split /\./, $uname, 2;
+__PACKAGE__->domain(@domain);
+
+
+sub _init {
+	my $defaults = shift->_defaults;
+
+	$defaults->_read_config_file($_) foreach @config_file;
+
+	%$defaults = Net::DNS::Resolver::Base::_untaint(%$defaults);
+
+	$defaults->_read_config_file($_) foreach @dotfile;
+
+	$defaults->_read_env;
+	return;
+}
+
+
+1;
+__END__
+
+
+=head1 SYNOPSIS
+
+    use Net::DNS::Resolver;
+
+=head1 DESCRIPTION
+
+This class implements the OS specific portions of C<Net::DNS::Resolver>.
+
+No user serviceable parts inside, see L<Net::DNS::Resolver>
+for all your resolving needs.
+
+=head1 COPYRIGHT
+
+Copyright (c)2003 Chris Reinhardt.
+
+All rights reserved.
+
+=head1 LICENSE
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted, provided
+that the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation, and that the name of the author not be used in advertising
+or publicity pertaining to distribution of the software without specific
+prior written permission.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+=head1 SEE ALSO
+
+L<perl>, L<Net::DNS>, L<Net::DNS::Resolver>
+
+=cut
+