Net::DNS::RR::CNAME - DNS CNAME resource record

Net-DNS documentation Contained in the Net-DNS distribution.

Index

Code Index:

NAME

Top

Net::DNS::RR::CNAME - DNS CNAME resource record

SYNOPSIS

Top

use Net::DNS::RR;

DESCRIPTION

Top

Class for DNS Canonical Name (CNAME) resource records.

METHODS

Top

cname

    print "cname = ", $rr->cname, "\n";

Returns the RR's canonical name.

COPYRIGHT

Top

Copyright (c) 1997-2002 Michael Fuhr.

Portions Copyright (c) 2002-2004 Chris Reinhardt.

All rights reserved. This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

Top

perl(1), Net::DNS, Net::DNS::Resolver, Net::DNS::Packet, Net::DNS::Header, Net::DNS::Question, Net::DNS::RR, RFC 1035 Section 3.3.1

Net-DNS documentation Contained in the Net-DNS distribution. 
package Net::DNS::RR::CNAME;
#
# $Id: CNAME.pm 718 2008-02-26 21:49:20Z olaf $
#
use strict;
BEGIN { 
    eval { require bytes; }
} 

use vars qw(@ISA $VERSION);

@ISA     = qw(Net::DNS::RR);
$VERSION = (qw$LastChangedRevision: 718 $)[1];

sub new {
	my ($class, $self, $data, $offset) = @_;

	if ($self->{"rdlength"} > 0) {
		($self->{"cname"}) = Net::DNS::Packet::dn_expand($data, $offset);
	}

	return bless $self, $class;
}

sub new_from_string {
	my ($class, $self, $string) = @_;

	if ($string) {
		$self->{"cname"} = Net::DNS::stripdot($string);
	}

	return bless $self, $class;
}

sub rdatastr {
	my $self = shift;

	return $self->{"cname"} ? "$self->{cname}." : '';
}

sub rr_rdata {
	my ($self, $packet, $offset) = @_;
	my $rdata = "";

	if (exists $self->{"cname"}) {
		$rdata = $packet->dn_comp($self->{"cname"}, $offset);
	}

	return $rdata;
}


sub _normalize_dnames {
	my $self=shift;
	$self->_normalize_ownername();
	$self->{'cname'}=Net::DNS::stripdot($self->{'cname'}) if defined $self->{'cname'};


}


sub _canonicalRdata {	
	my ($self) = @_;
	return $self->_name2wire(lc($self->{"cname"}));
}

1;
__END__