#! /usr/bin/perl

#
# Copyright (C) 1997 and 1998 WIDE Project.  All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. Neither the name of the project nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $Id: mgpnet.in,v 1.5 2009/02/18 10:44:31 nishida Exp $
#

# configurations
$tmpdir = '/tmp';
$httpdatestr = "env LC_ALL=C date '+\%a, \%d \%b \%Y \%H:\%M:\%S \%Z'";
$seltimeout = 1;
$refreshtimeout = 10;
$debug = 0;
$port = 9999;
# it looks that "charset" parameter for Content-type makes many browsers
# unhappy.  it is a shame.
$usecharset = 0;

# do not edit beyond here
$hostname = `hostname`;
$hostname =~ s/\n$//;

# portable?
if (scalar(@ARGV) == 0) {
	open(IN, "ifconfig -a | grep 'inet '|") && do {
		do {
			$hostname = (split(/\s+/, <IN>))[2];
		} while ($hostname =~ /^127\./);
		close(IN);
	};
	$hostname =~ s/^addr://; # for GNU/Linux, by ukai
	print "http://$hostname:$port/\n";
	exit 0;
}

# greeting
print STDERR "welcome to MagicPoint Netserver...\n";

# parameter parsing
$tmpseed = 0;
$checkfile = &tmpname;
if (grep($ARGV[$_] eq '-T', 0 .. scalar(@ARGV) - 1)) {
	$checkfile = $ARGV[$_ + 1];
} else {
	@ARGV = ('-T', $checkfile, @ARGV);
}

$imagefile = &tmpname;
$checkcontent = '';

# OS parameter
&guessparam;
if (!defined $AF_INET || !defined $PF_INET || !defined $SOCK_STREAM
 || !defined $sockaddr || !defined $WNOHANG) {
	print STDERR "could not guess system parameter. edit by hand.\n";
	exit 1;
}

# HTTP/1.0 related
$tmp = <<EOF;
200	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No Content
301	Moved Permanentll	OK
201	Created
202	Accepted
204	No 