diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
commit | 45d6379135504814ab723b57f0eb8be23393a51d (patch) | |
tree | d4f2ec4acca824a8446387a758b0ce4238a4dffa /bin/tests/system/fetchlimit/ans4/ans.pl | |
parent | Initial commit. (diff) | |
download | bind9-upstream/1%9.16.44.tar.xz bind9-upstream/1%9.16.44.zip |
Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | bin/tests/system/fetchlimit/ans4/ans.pl | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/bin/tests/system/fetchlimit/ans4/ans.pl b/bin/tests/system/fetchlimit/ans4/ans.pl new file mode 100644 index 0000000..5a265c4 --- /dev/null +++ b/bin/tests/system/fetchlimit/ans4/ans.pl @@ -0,0 +1,86 @@ +#!/usr/bin/perl -w + +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# SPDX-License-Identifier: MPL-2.0 +# +# 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 https://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +# +# Don't respond if the "norespond" file exists; otherwise respond to +# any A or AAAA query. +# + +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 => "10.53.0.4", + 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); + + my @questions = $packet->question; + my $qname = $questions[0]->qname; + my $qtype = $questions[0]->qtype; + + my $donotrespond = 0; + + if (-e 'norespond') { + $donotrespond = 1; + } else { + $packet->header->aa(1); + if ($qtype eq "A") { + $packet->push("answer", + new Net::DNS::RR($qname . + " 300 A 192.0.2.1")); + } elsif ($qtype eq "AAAA") { + $packet->push("answer", + new Net::DNS::RR($qname . + " 300 AAAA 2001:db8:beef::1")); + } + } + + if ($donotrespond == 0) { + $sock->send($packet->data); + print "RESPONSE:\n"; + $packet->print; + print "\n"; + } +} |