1 files changed, 87 insertions, 0 deletions
diff --git a/bin/tests/system/ditch.pl b/bin/tests/system/ditch.pl
new file mode 100644
index 0000000..e208250
--- /dev/null
+++ b/bin/tests/system/ditch.pl
@@ -0,0 +1,87 @@
+#!/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.
+
+# This is a tool for sending queries via UDP to specified address and
+# port, then exiting without waiting for a response.
+#
+# Usage: ditch.pl [-s <address>] [-p <port>] [filename]
+#
+# Input (in filename, if specified, otherwise stdin) is a series of one
+# or more DNS names and types to send as queries, e.g.:
+#
+# www.example.com A
+# www.example.org MX
+#
+# If not specified, address defaults to 127.0.0.1, port to 53.
+
+require 5.006.001;
+
+use strict;
+use Getopt::Std;
+use Net::DNS;
+use Net::DNS::Packet;
+use IO::File;
+use IO::Socket;
+
+sub usage {
+    print ("Usage: ditch.pl [-s address] [-p port] [file]\n");
+    exit 1;
+}
+
+my %options={};
+getopts("s:p:t:", \%options);
+
+my $addr = "127.0.0.1";
+$addr = $options{s} if defined $options{s};
+
+my $port = 53;
+$port = $options{p} if defined $options{p};
+
+my $file = "STDIN";
+if (@ARGV >= 1) {
+    my $filename = shift @ARGV;
+    open FH, "<$filename" or die "$filename: $!";
+    $file = "FH";
+}
+
+my $input = "";
+while (defined(my $line = <$file>) ) {
+    chomp $line;
+    next if ($line =~ m/^ *#/);
+    my @tokens = split (' ', $line);
+
+    my $packet;
+    if ($Net::DNS::VERSION > 0.68) {
+            $packet = new Net::DNS::Packet();
+            $@ and die $@;
+    } else {
+            my $err;
+            ($packet, $err) = new Net::DNS::Packet();
+            $err and die $err;
+    }
+
+    my $q = new Net::DNS::Question($tokens[0], $tokens[1], "IN");
+    $packet->header->rd(1);
+    $packet->push(question => $q);
+
+    my $sock = IO::Socket::INET->new(PeerAddr => $addr, PeerPort => $port,
+                                     Proto => "udp",) or die "$!";
+
+    my $bytes = $sock->send($packet->data);
+    #print ("sent $bytes bytes to $addr:$port:\n");
+    #print ("  ", unpack("H* ", $packet->data), "\n");
+
+    $sock->close;
+}
+
+close $file;