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-rw-r--r--bin/tests/system/nsupdate/ans4/ans.pl60
1 files changed, 60 insertions, 0 deletions
diff --git a/bin/tests/system/nsupdate/ans4/ans.pl b/bin/tests/system/nsupdate/ans4/ans.pl
new file mode 100644
index 0000000..d4299c4
--- /dev/null
+++ b/bin/tests/system/nsupdate/ans4/ans.pl
@@ -0,0 +1,60 @@
+#!/usr/bin/perl
+
+# 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.
+
+use IO::Socket;
+use IO::File;
+use strict;
+
+# Ignore SIGPIPE so we won't fail if peer closes a TCP socket early
+local $SIG{PIPE} = 'IGNORE';
+
+# Flush logged output after every line
+local $| = 1;
+
+my $server_addr = "10.53.0.4";
+if (@ARGV > 0) {
+ $server_addr = @ARGV[0];
+}
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+ LocalPort => $localport, Proto => "udp", Reuse => 1) or die "$!";
+
+print "listening on $server_addr:$localport.\n";
+
+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;
+
+# Main
+for (;;) {
+ my $rin;
+ my $rout;
+
+ $rin = '';
+ vec($rin, fileno($udpsock), 1) = 1;
+
+ select($rout = $rin, undef, undef, undef);
+
+ if (vec($rout, fileno($udpsock), 1)) {
+ printf "UDP request\n";
+ my $buf;
+ $udpsock->recv($buf, 512);
+ }
+}