1#!/usr/bin/perl
2#
3# Copyright (C) 2004, 2007, 2010-2013  Internet Systems Consortium, Inc. ("ISC")
4# Copyright (C) 2000, 2001  Internet Software Consortium.
5#
6# Permission to use, copy, modify, and/or distribute this software for any
7# purpose with or without fee is hereby granted, provided that the above
8# copyright notice and this permission notice appear in all copies.
9#
10# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
11# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
12# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
13# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
14# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16# PERFORMANCE OF THIS SOFTWARE.
17
18# Id: testsock.pl,v 1.20 2011/03/01 23:48:05 tbox Exp
19
20# Test whether the interfaces on 10.53.0.* are up.
21
22require 5.001;
23
24use Socket;
25use Getopt::Long;
26
27my $port = 0;
28my $id = 0;
29GetOptions("p=i" => \$port,
30           "i=i" => \$id);
31
32my @ids;
33if ($id != 0) {
34	@ids = ($id);
35} else {
36	@ids = (1..8);
37}
38
39foreach $id (@ids) {
40        my $addr = pack("C4", 10, 53, 0, $id);
41	my $sa = pack_sockaddr_in($port, $addr);
42	socket(SOCK, PF_INET, SOCK_STREAM, getprotobyname("tcp"))
43      		or die "$0: socket: $!\n";
44	setsockopt(SOCK, SOL_SOCKET, SO_REUSEADDR, pack("l", 1));
45
46	bind(SOCK, $sa)
47	    	or die sprintf("$0: bind(%s, %d): $!\n",
48			       inet_ntoa($addr), $port);
49	close(SOCK);
50}
51