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);
+}