From 3a707f506dce28a6f91f9126163f1d03448b94e0 Mon Sep 17 00:00:00 2001
From: kevin_fourie <kevin_fourie@c91229c3-7414-0410-bfa2-8a42b809f60b>
Date: Wed, 24 Oct 2007 03:57:32 +0000
Subject: [PATCH] Merged in from DEV trunk...

---
 ktwebservice/proxy/proxy.php | 165 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+), 0 deletions(-)
 create mode 100644 ktwebservice/proxy/proxy.php

diff --git a/ktwebservice/proxy/proxy.php b/ktwebservice/proxy/proxy.php
new file mode 100644
index 0000000..fc6e4f8
--- /dev/null
+++ b/ktwebservice/proxy/proxy.php
@@ -0,0 +1,165 @@
+<?php
+
+/**
+ * $Id:$
+ *
+ * KnowledgeTree Open Source Edition
+ * Document Management Made Simple
+ * Copyright (C) 2004 - 2007 The Jam Warehouse Software (Pty) Limited
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 3 as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You can contact The Jam Warehouse Software (Pty) Limited, Unit 1, Tramber Place,
+ * Blake Street, Observatory, 7925 South Africa. or email info@knowledgetree.com.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "Powered by
+ * KnowledgeTree" logo and retain the original copyright notice. If the display of the
+ * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
+ * must display the words "Powered by KnowledgeTree" and retain the original
+ * copyright notice.
+ * Contributor( s): ______________________________________
+ *
+ */
+
+set_time_limit(0);
+
+if ($argc < 3)
+{
+	die('Usage: proxy.php listenport connectaddr connectport');
+}
+
+$cport = $argv[1];
+$saddress = $argv[2];
+$sport = $argv[2];
+
+
+print "Listening on port: $cport\n";
+print "Connecting to: $saddress:$sport\n";
+
+if (($lsock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === false)
+{
+	die('Cannot create socket: '. socket_strerror($res));
+}
+
+if (($res = @socket_bind($lsock, '127.0.0.2', $cport)) === false)
+{
+	die('Cannot bind socket: ' . socket_strerror($res));
+}
+
+if (($res = socket_listen($lsock, 5)) === false)
+{
+	die('Cannot listen on socket: ' . socket_strerror($res));
+}
+
+while(true)
+{
+	if (($csock = socket_accept($lsock)) < 0)
+	{
+		print 'Cannot accept socket: ' . socket_strerror($csock) . "\n";
+		continue;
+	}
+	print "accepting client\n";
+
+	if (($ssock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) < 0)
+	{
+		print('Cannot create socket: '. socket_strerror($res));
+		continue;
+	}
+
+	print "connecting\n";
+	if (($res = socket_connect($ssock, $saddress, $sport)) < 0)
+	{
+		print('Cannot bind socket: ' . socket_strerror($res));
+		continue;
+	}
+
+
+	ob_implicit_flush();
+
+	$clientClose = false;
+	$serverClose = false;
+	while(!$clientClose && !$serverClose)
+	{
+		$arr = array();
+		$carr = array();
+		$sarr = array();
+
+		if (!$clientClose)
+		{
+			$arr[]= $csock;
+			$carr[]= $csock;
+		}
+		if (!$serverClose)
+		{
+			$arr[]= $ssock;
+			$sarr[]= $ssock;
+		}
+ob_implicit_flush();		$res = socket_select($arr, $e2=null, $e = null, 5);
+		if ($res === false)
+		{
+			print "problem\n";
+			break;
+		}
+		else
+		{
+			$res = @socket_select($carr, $w = NULL, $e = NULL, 0);
+			if (!$clientClose && ($res === 1))
+			{
+				$buf = @socket_read($csock, 2048, PHP_NORMAL_READ);
+				if (strlen($buf) != 0)
+				{
+					socket_write($ssock, $buf, strlen($buf));
+					print "C>>S: $buf\n";
+				}
+				if ($buf === false)
+				{
+					$clientClose = true;
+					socket_write($ssock, "\n", 1);
+					print "close connection to client\n";
+				}
+
+			}
+			$res = @socket_select($sarr, $w = NULL, $e = NULL, 0);
+			if (!$serverClose && ($res === 1))
+			{
+				$buf = @socket_read($ssock, 2048, PHP_NORMAL_READ);
+				if (strlen($buf) != 0)
+				{
+					socket_write($csock, $buf, strlen($buf));
+					print "C<<S: $buf\n";
+
+				}
+				if($buf ===0 )
+				{
+					print "\n";
+				}
+				if ($buf === false)
+				{
+					//socket_close($csock);
+					$serverClose = true;
+					print "close connection to server\n";
+				}
+			}
+		}
+	}
+	socket_close($ssock);
+	socket_close($csock);
+}
+
+socket_close($lsock);
+?>
\ No newline at end of file
--
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