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# $Id: 04-packet.t 264 2005-04-06 09:16:15Z olaf $ -*-perl-*-
use Test::More tests => 39;
use strict;
BEGIN { use_ok('Net::DNS'); } #1
my $domain = "example.com";
my $type = "MX";
my $class = "IN";
#------------------------------------------------------------------------------
# Make sure we can create a DNS packet.
#------------------------------------------------------------------------------
my $packet = Net::DNS::Packet->new($domain, $type, $class);
ok($packet, 'new() returned something'); #2
ok($packet->header, 'header() method works'); #3
ok($packet->header->isa('Net::DNS::Header'),'header() returns right thing'); #4
my @question = $packet->question;
ok(@question && @question == 1, 'question() returned right number of items'); #5
ok($question[0]->isa('Net::DNS::Question'), 'question() returned the right thing'); #6
my @answer = $packet->answer;
ok(@answer == 0, 'answer() works when empty'); #7
my @authority = $packet->authority;
ok(@authority == 0, 'authority() works when empty'); #8
my @additional = $packet->additional;
ok(@additional == 0, 'additional() works when empty'); #9
$packet->push("answer",
Net::DNS::RR->new(
Name => "a1.example.com",
Type => "A",
Address => "10.0.0.1"
)
);
is($packet->header->ancount, 1, 'First push into answer section worked'); #10
$packet->push("answer",
Net::DNS::RR->new(
Name => "a2.example.com",
Type => "A",
Address => "10.0.0.2"
)
);
is($packet->header->ancount, 2, 'Second push into answer section worked'); #11
$packet->push("authority",
Net::DNS::RR->new(
Name => "a3.example.com",
Type => "A",
Address => "10.0.0.3"
)
);
is($packet->header->nscount, 1, 'First push into authority section worked'); #12
$packet->push("authority",
Net::DNS::RR->new(
Name => "a4.example.com",
Type => "A",
Address => "10.0.0.4"
)
);
is($packet->header->nscount, 2, 'Second push into authority section worked'); #13
$packet->push("additional",
Net::DNS::RR->new(
Name => "a5.example.com",
Type => "A",
Address => "10.0.0.5"
)
);
is($packet->header->adcount, 1, 'First push into additional section worked'); #14
$packet->push("additional",
Net::DNS::RR->new(
Name => "a6.example.com",
Type => "A",
Address => "10.0.0.6"
)
);
is($packet->header->adcount, 2, 'Second push into additional section worked'); #15
my $data = $packet->data;
my $packet2 = Net::DNS::Packet->new(\$data);
ok($packet2, 'new() from data buffer works'); #16
is($packet->string, $packet2->string, 'string () works correctly'); #17
my $string = $packet2->string;
for (1 .. 6) {
my $ip = "10.0.0.$_";
ok($string =~ m/\Q$ip/, "Found $ip in packet"); # 18 though 23
}
is($packet2->header->qdcount, 1, 'header question count correct'); #24
is($packet2->header->ancount, 2, 'header answer count correct'); #25
is($packet2->header->nscount, 2, 'header authority count correct'); #26
is($packet2->header->adcount, 2, 'header additional count correct'); #27
# Test using a predefined answer. This is an answer that was generated by a bind server.
#
$data=pack("H*","22cc85000001000000010001056461636874036e657400001e0001c00c0006000100000e100025026e730472697065c012046f6c6166c02a7754e1ae0000a8c0000038400005460000001c2000002910000000800000050000000030");
my $packet3 = Net::DNS::Packet->new(\$data);
ok($packet3, 'new(\$data) returned something'); #28
is($packet3->header->qdcount, 1, 'header question count in syntetic packet correct'); #29
is($packet3->header->ancount, 0, 'header answer count in syntetic packet correct'); #30
is($packet3->header->nscount, 1, 'header authority count in syntetic packet correct'); #31
is($packet3->header->adcount, 1, 'header additional in sytnetic packet correct'); #32
my @rr=$packet3->additional;
is($rr[0]->type, "OPT", "Additional section packet is EDNS0 type"); #33
is($rr[0]->class, "4096", "EDNS0 packet size correct"); #34
my $question2=Net::DNS::Question->new("bla.foo","TXT","CHAOS");
ok($question2->isa('Net::DNS::Question'),"Proper type of object created"); #35
# In theory its valid to have multiple questions in the question section.
# Not many servers digest it though.
$packet->push("question", $question2);
@question = $packet->question;
ok(@question && @question == 2, 'question() returned right number of items poptest:2'); #36
$packet->pop("question");
@question = $packet->question;
ok(@question && @question == 1, 'question() returned right number of items poptest:1'); #37
$packet->pop("question");
@question = $packet->question;
ok(@question ==0, 'question() returned right number of items poptest0'); #38
$packet=Net::DNS::Packet->new("254.9.11.10.in-addr.arpa","PTR","IN");
$packet->push("answer", Net::DNS::RR->new(
"254.9.11.10.in-addr.arpa 86400 IN PTR
host-84-11-9-254.customer.example.com"));
$packet->push("authority", Net::DNS::RR->new(
"9.11.10.in-addr.arpa 86400 IN NS autons1.example.com"));
$packet->push("authority", Net::DNS::RR->new(
"9.11.10.in-addr.arpa 86400 IN NS autons2.example.com"));
$packet->push("authority", Net::DNS::RR->new(
"9.11.10.in-addr.arpa 86400 IN NS autons3.example.com"));
$data=$packet->data;
$packet2=Net::DNS::Packet->new(\$data);
is($packet->string,$packet2->string,"Packet to data and back (failure indicates broken dn_comp)"); #39
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