1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
package DNS::LDNS::Packet;
use 5.008008;
use strict;
use warnings;
use DNS::LDNS;
our $VERSION = '0.52';
sub new {
my ($class, %args) = @_;
if ($args{name}) {
return _query_new(
$args{name}, $args{type}, $args{class}, $args{flags});
}
else {
return _new;
}
}
sub question {
my $self = shift;
return DNS::LDNS::GC::own($self->_question, $self);
}
sub set_question {
my ($self, $l) = @_;
DNS::LDNS::GC::disown(my $old = $self->question);
$self->_set_question($l);
return DNS::LDNS::GC::own($l, $self);
}
sub answer {
my $self = shift;
return DNS::LDNS::GC::own($self->_answer, $self);
}
sub set_answer {
my ($self, $l) = @_;
DNS::LDNS::GC::disown(my $old = $self->answer);
$self->_set_answer($l);
return DNS::LDNS::GC::own($l, $self);
}
sub authority {
my $self = shift;
return DNS::LDNS::GC::own($self->_authority, $self);
}
sub set_authority {
my ($self, $l) = @_;
DNS::LDNS::GC::disown(my $old = $self->authority);
$self->_set_authority($l);
return DNS::LDNS::GC::own($l, $self);
}
sub additional {
my $self = shift;
return DNS::LDNS::GC::own($self->_additional, $self);
}
sub set_additional {
my ($self, $l) = @_;
DNS::LDNS::GC::disown(my $old = $self->additional);
$self->_set_additional($l);
return DNS::LDNS::GC::own($l, $self);
}
sub answerfrom {
my $self = shift;
return DNS::LDNS::GC::own($self->_answerfrom, $self);
}
sub set_answerfrom {
my ($self, $a) = @_;
DNS::LDNS::GC::disown(my $old = $self->answerfrom);
$self->_set_answerfrom($a);
return DNS::LDNS::GC::own($a, $self);
}
sub timestamp {
my $self = shift;
my $t = _timestamp($self);
return wantarray ? @$t : $t;
}
sub edns_data {
my $self = shift;
return DNS::LDNS::GC::own($self->_edns_data, $self);
}
sub set_edns_data {
my ($self, $data) = @_;
DNS::LDNS::GC::disown(my $old = $self->edns_data);
$self->_set_edns_data($data);
return DNS::LDNS::GC::own($data, $self);
}
sub push_rr {
my ($self, $sec, $rr) = @_;
my $ret = $self->_push_rr($sec, my $copy = $_->clone);
DNS::LDNS::GC::own($copy, $self);
return $ret;
}
sub safe_push_rr {
my ($self, $sec, $rr) = @_;
my $ret = $self->_safe_push_rr($sec, my $copy = $_->clone);
if ($ret) {
DNS::LDNS::GC::own($copy, $self);
}
return $ret;
}
sub tsig {
my $self = shift;
return DNS::LDNS::GC::own($self->_tsig, $self);
}
sub set_tsig {
my ($self, $rr) = @_;
DNS::LDNS::GC::disown(my $old = $self->tsig);
$self->_set_tsig($rr);
return DNS::LDNS::GC::own($rr, $self);
}
sub DESTROY {
DNS::LDNS::GC::free($_[0]);
}
1;
__END__
=head1 NAME
DNS::LDNS::Packet - DNS packet
=head1 SYNOPSIS
use DNS::LDNS ':all'
my pkt = new DNS::LDNS::Packet(name => rdata, type => LDNS_RR_TYPE_...,
class => LDNS_RR_CLASS_..., flags => ...)
my pkt = new DNS::LDNS::Packet
pkt2 = pkt->clone
pkt->to_string
rrlist = pkt->question
pkt->set_question(rrlist)
'
rrlist = pkt->answer
pkt->set_answer(rrlist)
rrlist = pkt->authority
pkt->set_authority(rrlist)
rrlist = pkt->additional
pkt->set_additional(rrlist)
rrlist = pkt->all
rrlist = pkt->all_noquestion
for (qw/qr aa tc rd cd ra ad/) {
bool = pkt->$_
pkt->set_$_(bool)
}
id = pkt->id
pkt->set_id(id)
pkt->set_random_id
count = pkt->qdcount
count = pkt->ancount
count = pkt->nscount
count = pkt->arcount
opcode = pkt->opcode
pkt->set_opcode(opcode)
rcode = pkt->rcode # Response code
pkt->set_rcode(rcode)
size = pkt->size
epoch = pkt->querytime
pkt->set_querytime(epoch)
rdata = pkt->answerfrom
pkt->set_answerfrom(rdata)
(sec, usec) = pkt->timestamp
pkt->set_timestamp(sec, usec)
bool = pkt->edns
size = pkt->edns_udp_size
pkt->set_edns_udp_size(size)
rcode = pkt->edns_extended_rcode
pkt->set_edns_extended_rcode(rcode)
v = pkt->edns_version
pkt->set_edns_version(v)
z = pkt->edns_z
pkt->set_edns_z(z)
do = pkt->edns_do
pkt->set_edns_do(do)
rdata = pkt->edns_data
pkt->set_edns_data(rdata)
pkt->set_flags(flags)
rrlist = pkt->rr_list_by_name(rdata, section)
rrlist = pkt->rr_list_by_type(type, section)
rrlist = pkt->rr_list_by_name_and_type(rdata, type, section)
bool = pkt->rr(section, rr) # Check if rr exists
pkt->push_rr(section, rr)
pkt->safe_push_rr(section, rr)
count = pkt->section_count(section)
bool = pkt->empty
rr = pkt->tsig
pkt->set_tsig(rr)
type = pkt->reply_type
rrlist = pkt->get_rrsigs_for_name_and_type(rdata, rrtype)
rrlist = pkt->get_rrsigs_for_type(rrtype)
=head1 SEE ALSO
http://www.nlnetlabs.nl/projects/ldns
=head1 AUTHOR
Erik Pihl Ostlyngen, E<lt>erik.ostlyngen@uninett.noE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2013 by UNINETT Norid AS
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.14.2 or,
at your option, any later version of Perl 5 you may have available.
=cut
|
