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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:37:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:37:14 +0000 |
commit | ea648e70a989cca190cd7403fe892fd2dcc290b4 (patch) | |
tree | e2b6b1c647da68b0d4d66082835e256eb30970e8 /bin/tests/system/resolver/ans3/ans.pl | |
parent | Initial commit. (diff) | |
download | bind9-upstream.tar.xz bind9-upstream.zip |
Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'bin/tests/system/resolver/ans3/ans.pl')
-rw-r--r-- | bin/tests/system/resolver/ans3/ans.pl | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/bin/tests/system/resolver/ans3/ans.pl b/bin/tests/system/resolver/ans3/ans.pl new file mode 100644 index 0000000..46d7673 --- /dev/null +++ b/bin/tests/system/resolver/ans3/ans.pl @@ -0,0 +1,99 @@ +#!/usr/bin/perl +# +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +# +# Ad hoc name server +# + +use IO::File; +use IO::Socket; +use Net::DNS; +use Net::DNS::Packet; + +my $localport = int($ENV{'PORT'}); +if (!$localport) { $localport = 5300; } + +my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.3", + LocalPort => $localport, Proto => "udp") or die "$!"; + +my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!"; +print $pidf "$$\n" or die "cannot write pid file: $!"; +$pidf->close or die "cannot close pid file: $!"; +sub rmpid { unlink "ans.pid"; exit 1; }; + +$SIG{INT} = \&rmpid; +$SIG{TERM} = \&rmpid; + +for (;;) { + $sock->recv($buf, 512); + + print "**** request from " , $sock->peerhost, " port ", $sock->peerport, "\n"; + + my $packet; + + if ($Net::DNS::VERSION > 0.68) { + $packet = new Net::DNS::Packet(\$buf, 0); + $@ and die $@; + } else { + my $err; + ($packet, $err) = new Net::DNS::Packet(\$buf, 0); + $err and die $err; + } + + print "REQUEST:\n"; + $packet->print; + + $packet->header->qr(1); + $packet->header->aa(1); + + my @questions = $packet->question; + my $qname = $questions[0]->qname; + + if ($qname eq "badcname.example.net") { + $packet->push("answer", + new Net::DNS::RR($qname . + " 300 CNAME badcname.example.org")); + } elsif ($qname eq "foo.baddname.example.net") { + $packet->push("answer", + new Net::DNS::RR("baddname.example.net" . + " 300 DNAME baddname.example.org")); + } elsif ($qname eq "foo.gooddname.example.net") { + $packet->push("answer", + new Net::DNS::RR("gooddname.example.net" . + " 300 DNAME gooddname.example.org")); + } elsif ($qname eq "goodcname.example.net") { + $packet->push("answer", + new Net::DNS::RR($qname . + " 300 CNAME goodcname.example.org")); + } elsif ($qname eq "cname.sub.example.org") { + $packet->push("answer", + new Net::DNS::RR($qname . + " 300 CNAME ok.sub.example.org")); + } elsif ($qname eq "ok.sub.example.org") { + $packet->push("answer", + new Net::DNS::RR($qname . " 300 A 192.0.2.1")); + } elsif ($qname eq "www.dname.sub.example.org") { + $packet->push("answer", + new Net::DNS::RR("dname.sub.example.org" . + " 300 DNAME ok.sub.example.org")); + } elsif ($qname eq "www.ok.sub.example.org") { + $packet->push("answer", + new Net::DNS::RR($qname . " 300 A 192.0.2.1")); + } else { + $packet->push("answer", new Net::DNS::RR("www.example.com 300 A 1.2.3.4")); + } + + $sock->send($packet->data); + + print "RESPONSE:\n"; + $packet->print; + print "\n"; +} |