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|
package Net::DNS::RR::NAPTR;
# $Id: NAPTR.pm,v 1.6 2000/11/19 06:04:45 mfuhr Exp mfuhr $
use strict;
use vars qw(@ISA);
use Net::DNS;
use Net::DNS::Packet;
@ISA = qw(Net::DNS::RR);
sub new {
my ($class, $self, $data, $offset) = @_;
if ($self->{"rdlength"} > 0) {
my ($order) = unpack("\@$offset n", $$data);
$offset += &Net::DNS::INT16SZ;
my ($preference) = unpack("\@$offset n", $$data);
$offset += &Net::DNS::INT16SZ;
my ($len) = unpack("\@$offset C", $$data);
++$offset;
my ($flags) = unpack("\@$offset a$len", $$data);
$offset += $len;
$len = unpack("\@$offset C", $$data);
++$offset;
my ($service) = unpack("\@$offset a$len", $$data);
$offset += $len;
$len = unpack("\@$offset C", $$data);
++$offset;
my ($regexp) = unpack("\@$offset a$len", $$data);
$offset += $len;
my($replacement) = Net::DNS::Packet::dn_expand($data, $offset);
$self->{"order"} = $order;
$self->{"preference"} = $preference;
$self->{"flags"} = $flags;
$self->{"service"} = $service;
$self->{"regexp"} = $regexp;
$self->{"replacement"} = $replacement;
}
return bless $self, $class;
}
sub new_from_string {
my ($class, $self, $string) = @_;
if ($string && $string =~ /^ (\d+) \s+
(\d+) \s+
['"] (.*?) ['"] \s+
['"] (.*?) ['"] \s+
['"] (.*?) ['"] \s+
(\S+) $/x) {
$self->{"order"} = $1;
$self->{"preference"} = $2;
$self->{"flags"} = $3;
$self->{"service"} = $4;
$self->{"regexp"} = $5;
$self->{"replacement"} = $6;
$self->{"replacement"} =~ s/\.+$//;
}
return bless $self, $class;
}
sub rdatastr {
my $self = shift;
my $rdatastr;
if (exists $self->{"order"}) {
$rdatastr = $self->{"order"} . ' ' .
$self->{"preference"} . ' "' .
$self->{"flags"} . '" "' .
$self->{"service"} . '" "' .
$self->{"regexp"} . '" ' .
$self->{"replacement"} . '.';
}
else {
$rdatastr = "; no data";
}
return $rdatastr;
}
sub rr_rdata {
my ($self, $packet, $offset) = @_;
my $rdata = "";
if (exists $self->{"order"}) {
$rdata .= pack("n2", $self->{"order"}, $self->{"preference"});
$rdata .= pack("C", length $self->{"flags"});
$rdata .= $self->{"flags"};
$rdata .= pack("C", length $self->{"service"});
$rdata .= $self->{"service"};
$rdata .= pack("C", length $self->{"regexp"});
$rdata .= $self->{"regexp"};
$rdata .= $packet->dn_comp($self->{"replacement"},
$offset + length $rdata);
}
return $rdata;
}
1;
__END__
=head1 NAME
Net::DNS::RR::NAPTR - DNS NAPTR resource record
=head1 SYNOPSIS
C<use Net::DNS::RR>;
=head1 DESCRIPTION
Class for DNS Naming Authority Pointer (NAPTR) resource records.
=head1 METHODS
=head2 order
print "order = ", $rr->order, "\n";
Returns the order field.
=head2 preference
print "preference = ", $rr->preference, "\n";
Returns the preference field.
=head2 flags
print "flags = ", $rr->flags, "\n";
Returns the flags field.
=head2 service
print "service = ", $rr->service, "\n";
Returns the service field.
=head2 regexp
print "regexp = ", $rr->regexp, "\n";
Returns the regexp field.
=head2 replacement
print "replacement = ", $rr->replacement, "\n";
Returns the replacement field.
=head1 COPYRIGHT
Copyright (c) 1997-1998 Michael Fuhr. All rights reserved. This
program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
B<Net::DNS::RR::NAPTR> is based on code contributed by Ryan Moats.
=head1 SEE ALSO
L<perl(1)>, L<Net::DNS>, L<Net::DNS::Resolver>, L<Net::DNS::Packet>,
L<Net::DNS::Header>, L<Net::DNS::Question>, L<Net::DNS::RR>,
RFC 2168
=cut
|
