--- sourceforge.net/trunk/rdesktop/rdp5.c	2003/03/27 13:07:28	343
+++ sourceforge.net/trunk/rdesktop/rdp5.c	2004/04/30 06:18:08	687
@@ -21,18 +21,24 @@
 
 #include "rdesktop.h"
 
-extern uint8 *next_packet;
+extern uint8 *g_next_packet;
+
+extern RDPCOMP g_mppc_dict;
 
 void
-rdp5_process(STREAM s, BOOL encryption, BOOL shortform)
+rdp5_process(STREAM s, BOOL encryption)
 {
-	uint16 length, count;
-	uint8 type;
+	uint16 length, count, x, y;
+	uint8 type, ctype;
 	uint8 *next;
 
+	uint32 roff, rlen;
+	struct stream *ns = &(g_mppc_dict.ns);
+	struct stream *ts;
+
 	if (encryption)
 	{
-		in_uint8s(s, shortform ? 6 : 7 /* XXX HACK */ );	/* signature */
+		in_uint8s(s, 8);	/* signature */
 		sec_decrypt(s->p, s->end - s->p);
 	}
 
@@ -44,33 +50,74 @@
 	while (s->p < s->end)
 	{
 		in_uint8(s, type);
-		in_uint16_le(s, length);
-		next_packet = next = s->p + length;
+		if (type & RDP_COMPRESSION)
+		{
+			in_uint8(s, ctype);
+			in_uint16_le(s, length);
+			type ^= RDP_COMPRESSION;
+		}
+		else
+		{
+			ctype = 0;
+			in_uint16_le(s, length);
+		}
+		g_next_packet = next = s->p + length;
+
+		if (ctype & RDP_MPPC_COMPRESSED)
+		{
+
+			if (mppc_expand(s->p, length, ctype, &roff, &rlen) == -1)
+				error("error while decompressing packet\n");
+
+			/* allocate memory and copy the uncompressed data into the temporary stream */
+			ns->data = xrealloc(ns->data, rlen);
+
+			memcpy((ns->data), (unsigned char *) (g_mppc_dict.hist + roff), rlen);
+
+			ns->size = rlen;
+			ns->end = (ns->data + ns->size);
+			ns->p = ns->data;
+			ns->rdp_hdr = ns->p;
+
+			ts = ns;
+		}
+		else
+			ts = s;
 
 		switch (type)
 		{
+				/* Thanks to Jeroen Meijer <jdmeijer at yahoo
+				   dot com> for finding out the meaning of
+				   most of the opcodes here. Especially opcode
+				   8! :) */
 			case 0:	/* orders */
-				in_uint16_le(s, count);
-				process_orders(s, count);
+				in_uint16_le(ts, count);
+				process_orders(ts, count);
 				break;
 			case 1:	/* bitmap update (???) */
-				in_uint8s(s, 2);	/* part length */
-				process_bitmap_updates(s);
+				in_uint8s(ts, 2);	/* part length */
+				process_bitmap_updates(ts);
 				break;
 			case 2:	/* palette */
-				in_uint8s(s, 2);	/* uint16 = 2 */
-				process_palette(s);
+				in_uint8s(ts, 2);	/* uint16 = 2 */
+				process_palette(ts);
 				break;
-         		case 3:	/* probably an palette with offset 3. Weird */
+			case 3:	/* probably an palette with offset 3. Weird */
 				break;
 			case 5:
-				process_null_system_pointer_pdu(s);
+				ui_set_null_cursor();
+				break;
+			case 8:
+				in_uint16_le(ts, x);
+				in_uint16_le(ts, y);
+				if (s_check(ts))
+					ui_move_pointer(x, y);
 				break;
 			case 9:
-				process_colour_pointer_pdu(s);
+				process_colour_pointer_pdu(ts);
 				break;
 			case 10:
-				process_cached_pointer_pdu(s);
+				process_cached_pointer_pdu(ts);
 				break;
 			default:
 				unimpl("RDP5 opcode %d\n", type);
@@ -79,10 +126,3 @@
 		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);
-}