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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
commit | 45d6379135504814ab723b57f0eb8be23393a51d (patch) | |
tree | d4f2ec4acca824a8446387a758b0ce4238a4dffa /bin/tests/system/tsig/ans2/ans.pl | |
parent | Initial commit. (diff) | |
download | bind9-upstream.tar.xz bind9-upstream.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 'bin/tests/system/tsig/ans2/ans.pl')
-rw-r--r-- | bin/tests/system/tsig/ans2/ans.pl | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/bin/tests/system/tsig/ans2/ans.pl b/bin/tests/system/tsig/ans2/ans.pl new file mode 100644 index 0000000..09ab29b --- /dev/null +++ b/bin/tests/system/tsig/ans2/ans.pl @@ -0,0 +1,52 @@ +# 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. + +# +# An adhoc server that returns a TC=1 response with the final byte +# removed to generate UNEXPECTEDEND form dns_message_parse. +# + +use IO::File; +use IO::Socket; + +my $localport = int($ENV{'PORT'}); +if (!$localport) { $localport = 5300; } +printf "localport %u\n", $localport; + +my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.2", + 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; + +sub arraystring { + my $string = join("", @_); + return $string; +} + +for (;;) { + $from = $sock->recv($buf, 512); + ($port, $ip_address) = unpack_sockaddr_in($from); + $l = length($buf); + printf "received %u bytes from %s#%u\n", $l, inet_ntoa($ip_address), $port; + @up = unpack("C[$l]", $buf); + $up[2] |= 0x80; # QR + $up[2] |= 0x02; # TC + $up[3] |= 0x80; # RA + $l -= 1; # truncate the response 1 byte + $replydata = pack("C[$l]", @up); + printf "sent %u bytes\n", $sock->send($replydata); +} |