rdesktop/trunk/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;
        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)
                {
                        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 channelno)
{
        rdp5_channel *channel;
        channel = find_channel_by_channelno(channelno);
        if (NULL != channel)
        {
                channel->channelcallback(s, channelno);
        }
}
1	forsberg	343	/* -- 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	matthewc	423	rdp5_process(STREAM s, BOOL encryption)
28	forsberg	343	{
29			uint16 length, count;
30			uint8 type;
31			uint8 *next;
32
33			if (encryption)
34			{
35	matthewc	423	in_uint8s(s, 8); /* signature */
36	forsberg	343	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			case 0: /* orders */
53			in_uint16_le(s, count);
54			process_orders(s, count);
55			break;
56			case 1: /* bitmap update (???) */
57			in_uint8s(s, 2); /* part length */
58			process_bitmap_updates(s);
59			break;
60			case 2: /* palette */
61			in_uint8s(s, 2); /* uint16 = 2 */
62			process_palette(s);
63			break;
64	forsberg	411	case 3: /* probably an palette with offset 3. Weird */
65	forsberg	343	break;
66			case 5:
67			process_null_system_pointer_pdu(s);
68			break;
69			case 9:
70			process_colour_pointer_pdu(s);
71			break;
72			case 10:
73			process_cached_pointer_pdu(s);
74			break;
75			default:
76			unimpl("RDP5 opcode %d\n", type);
77			}
78
79			s->p = next;
80			}
81			}
82
83			void
84	forsberg	411	rdp5_process_channel(STREAM s, uint16 channelno)
85	forsberg	343	{
86	forsberg	411	rdp5_channel *channel;
87			channel = find_channel_by_channelno(channelno);
88			if (NULL != channel)
89			{
90			channel->channelcallback(s, channelno);
91			}
92	forsberg	343	}