trunk/rdesktop/rdp5.c

/* -*- 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)
{
        uint16 length, count, x, y;
        uint8 type;
        uint8 *next;

        if (encryption)
        {
                in_uint8s(s, 8);        /* 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)
                {
                        /* 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);
                                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 8: 
                                in_uint16_le(s, x);
                                in_uint16_le(s, y);
                                if (s_check(s))
                                        ui_move_pointer(x, y);
                                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 channelno)
{
        rdp5_channel *channel;
        channel = find_channel_by_channelno(channelno);
        if (NULL != channel)
        {
                channel->channelcallback(s, channelno);
        }
}
1	/* -- c-basic-offset: 8 --
2	rdesktop: A Remote Desktop Protocol client.
3	Protocol services - Multipoint Communications Service
4	Copyright (C) Matthew Chapman 1999-2002
5	Copyright (C) Erik Forsberg 2003
6
7	This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or
10	(at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20	*/
21
22	#include "rdesktop.h"
23
24	extern uint8 *next_packet;
25
26	void
27	rdp5_process(STREAM s, BOOL encryption)
28	{
29	uint16 length, count, x, y;
30	uint8 type;
31	uint8 *next;
32
33	if (encryption)
34	{
35	in_uint8s(s, 8); /* signature */
36	sec_decrypt(s->p, s->end - s->p);
37	}
38
39	#if 0
40	printf("RDP5 data:\n");
41	hexdump(s->p, s->end - s->p);
42	#endif
43
44	while (s->p < s->end)
45	{
46	in_uint8(s, type);
47	in_uint16_le(s, length);
48	next_packet = next = s->p + length;
49
50	switch (type)
51	{
52	/* Thanks to Jeroen Meijer <jdmeijer at yahoo
53	dot com> for finding out the meaning of
54	most of the opcodes here. Especially opcode
55	8! :) */
56	case 0: /* orders */
57	in_uint16_le(s, count);
58	process_orders(s, count);
59	break;
60	case 1: /* bitmap update (???) */
61	in_uint8s(s, 2); /* part length */
62	process_bitmap_updates(s);
63	break;
64	case 2: /* palette */
65	in_uint8s(s, 2); /* uint16 = 2 */
66	process_palette(s);
67	break;
68	case 3: /* probably an palette with offset 3. Weird */
69	break;
70	case 5:
71	process_null_system_pointer_pdu(s);
72	break;
73	case 8:
74	in_uint16_le(s, x);
75	in_uint16_le(s, y);
76	if (s_check(s))
77	ui_move_pointer(x, y);
78	break;
79	case 9:
80	process_colour_pointer_pdu(s);
81	break;
82	case 10:
83	process_cached_pointer_pdu(s);
84	break;
85	default:
86	unimpl("RDP5 opcode %d\n", type);
87	}
88
89	s->p = next;
90	}
91	}
92
93	void
94	rdp5_process_channel(STREAM s, uint16 channelno)
95	{
96	rdp5_channel *channel;
97	channel = find_channel_by_channelno(channelno);
98	if (NULL != channel)
99	{
100	channel->channelcallback(s, channelno);
101	}
102	}