From b2df34f3fcf00afd45e2d2da7cd35da94271c33e Mon Sep 17 00:00:00 2001
From: Erik Forsberg <forsberg@cendio.com>
Date: Thu, 27 Mar 2003 13:07:28 +0000
Subject: [PATCH] Initial version. Combined code from Matt's RDP5 adventures
 with some of my own discoveries.

git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@342 423420c4-83ab-492f-b58f-81f9feb106b5
---
 rdp5.c | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 rdp5.c

diff --git a/rdp5.c b/rdp5.c
new file mode 100644
index 0000000..3412113
--- /dev/null
+++ b/rdp5.c
@@ -0,0 +1,88 @@
+/* -*- c-basic-offset: 8 -*-
+   rdesktop: A Remote Desktop Protocol client.
+   Protocol services - Multipoint Communications Service
+   Copyright (C) Matthew Chapman 1999-2002
+   Copyright (C) Erik Forsberg 2003
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "rdesktop.h"
+
+extern uint8 *next_packet;
+
+void
+rdp5_process(STREAM s, BOOL encryption, BOOL shortform)
+{
+	uint16 length, count;
+	uint8 type;
+	uint8 *next;
+
+	if (encryption)
+	{
+		in_uint8s(s, shortform ? 6 : 7 /* XXX HACK */ );	/* signature */
+		sec_decrypt(s->p, s->end - s->p);
+	}
+
+#if 0
+	printf("RDP5 data:\n");
+	hexdump(s->p, s->end - s->p);
+#endif
+
+	while (s->p < s->end)
+	{
+		in_uint8(s, type);
+		in_uint16_le(s, length);
+		next_packet = next = s->p + length;
+
+		switch (type)
+		{
+			case 0:	/* orders */
+				in_uint16_le(s, count);
+				process_orders(s, count);
+				break;
+			case 1:	/* bitmap update (???) */
+				in_uint8s(s, 2);	/* part length */
+				process_bitmap_updates(s);
+				break;
+			case 2:	/* palette */
+				in_uint8s(s, 2);	/* uint16 = 2 */
+				process_palette(s);
+				break;
+         		case 3:	/* probably an palette with offset 3. Weird */
+				break;
+			case 5:
+				process_null_system_pointer_pdu(s);
+				break;
+			case 9:
+				process_colour_pointer_pdu(s);
+				break;
+			case 10:
+				process_cached_pointer_pdu(s);
+				break;
+			default:
+				unimpl("RDP5 opcode %d\n", type);
+		}
+
+		s->p = next;
+	}
+}
+
+void
+rdp5_process_channel(STREAM s, uint16 channel)
+{
+	printf("Data on channel %02x:\n", channel);
+	hexdump(s->p, s->end - s->p);
+}