Beispiel #1
0
/* Process a pointer PDU */
static void
process_pointer_pdu(STREAM s)
{
	uint16 message_type;
	uint16 x, y;

	in_uint16_le(s, message_type);
	in_uint8s(s, 2);	/* pad */

	switch (message_type)
	{
		case RDP_POINTER_MOVE:
			in_uint16_le(s, x);
			in_uint16_le(s, y);
			if (s_check(s))
				ui_move_pointer(x, y);
			break;

		case RDP_POINTER_COLOR:
			process_colour_pointer_pdu(s);
			break;

		case RDP_POINTER_CACHED:
			process_cached_pointer_pdu(s);
			break;

		case RDP_POINTER_SYSTEM:
			process_system_pointer_pdu(s);
			break;

		default:
			unimpl("Pointer message 0x%x\n", message_type);
	}
}
Beispiel #2
0
void
rdp5_process(STREAM s)
{
	uint16 length, count, x, y;
	uint8 type, ctype;
	uint8 *next;

	uint32 roff, rlen;
	struct stream *ns = &(g_mppc_dict.ns);
	struct stream *ts;

#if 0
	printf("RDP5 data:\n");
	hexdump(s->p, s->end - s->p);
#endif

	ui_begin_update();
	while (s->p < s->end)
	{
		in_uint8(s, type);
		if (type & RDP5_COMPRESSED)
		{
			in_uint8(s, ctype);
			in_uint16_le(s, length);
			type ^= RDP5_COMPRESSED;
		}
		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 = (uint8 *) 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)
		{
			case 0:	/* update orders */
				in_uint16_le(ts, count);
				process_orders(ts, count);
				break;
			case 1:	/* update bitmap */
				in_uint8s(ts, 2);	/* part length */
				process_bitmap_updates(ts);
				break;
			case 2:	/* update palette */
				in_uint8s(ts, 2);	/* uint16 = 2 */
				process_palette(ts);
				break;
			case 3:	/* update synchronize */
				break;
			case 5:	/* null pointer */
				ui_set_null_cursor();
				break;
			case 6:	/* default pointer */
				break;
			case 8:	/* pointer position */
				in_uint16_le(ts, x);
				in_uint16_le(ts, y);
				if (s_check(ts))
					ui_move_pointer(x, y);
				break;
			case 9:	/* color pointer */
				process_colour_pointer_pdu(ts);
				break;
			case 10:	/* cached pointer */
				process_cached_pointer_pdu(ts);
				break;
			case 11:
				process_new_pointer_pdu(ts);
				break;
			default:
				unimpl("RDP5 opcode %d\n", type);
		}

		s->p = next;
	}
	ui_end_update();
}