1 |
/* -*- c-basic-offset: 8 -*- |
/* -*- c-basic-offset: 8 -*- |
2 |
rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
3 |
Protocol services - RDP layer |
Protocol services - RDP layer |
4 |
Copyright (C) Matthew Chapman 1999-2002 |
Copyright (C) Matthew Chapman 1999-2005 |
5 |
|
|
6 |
This program is free software; you can redistribute it and/or modify |
This program is free software; you can redistribute it and/or modify |
7 |
it under the terms of the GNU General Public License as published by |
it under the terms of the GNU General Public License as published by |
18 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 |
*/ |
*/ |
20 |
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21 |
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#include <time.h> |
22 |
#include "rdesktop.h" |
#include "rdesktop.h" |
23 |
|
|
24 |
extern uint16 g_mcs_userid; |
extern uint16 g_mcs_userid; |
27 |
extern BOOL g_orders; |
extern BOOL g_orders; |
28 |
extern BOOL g_encryption; |
extern BOOL g_encryption; |
29 |
extern BOOL g_desktop_save; |
extern BOOL g_desktop_save; |
30 |
|
extern BOOL g_polygon_ellipse_orders; |
31 |
extern BOOL g_use_rdp5; |
extern BOOL g_use_rdp5; |
32 |
extern uint16 g_server_rdp_version; |
extern uint16 g_server_rdp_version; |
33 |
|
extern uint32 g_rdp5_performanceflags; |
34 |
extern int g_server_bpp; |
extern int g_server_bpp; |
35 |
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extern int g_width; |
36 |
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extern int g_height; |
37 |
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extern BOOL g_bitmap_cache; |
38 |
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extern BOOL g_bitmap_cache_persist_enable; |
39 |
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|
40 |
uint8 *g_next_packet; |
uint8 *g_next_packet; |
41 |
uint32 g_rdp_shareid; |
uint32 g_rdp_shareid; |
42 |
|
|
43 |
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extern RDPCOMP g_mppc_dict; |
44 |
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|
45 |
#if WITH_DEBUG |
#if WITH_DEBUG |
46 |
static uint32 g_packetno; |
static uint32 g_packetno; |
47 |
#endif |
#endif |
52 |
{ |
{ |
53 |
static STREAM rdp_s; |
static STREAM rdp_s; |
54 |
uint16 length, pdu_type; |
uint16 length, pdu_type; |
55 |
|
uint8 rdpver; |
56 |
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|
57 |
if ((rdp_s == NULL) || (g_next_packet >= rdp_s->end)) |
if ((rdp_s == NULL) || (g_next_packet >= rdp_s->end)) |
58 |
{ |
{ |
59 |
rdp_s = sec_recv(); |
rdp_s = sec_recv(&rdpver); |
60 |
if (rdp_s == NULL) |
if (rdp_s == NULL) |
61 |
return NULL; |
return NULL; |
62 |
|
if (rdpver == 0xff) |
63 |
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{ |
64 |
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g_next_packet = rdp_s->end; |
65 |
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*type = 0; |
66 |
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return rdp_s; |
67 |
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} |
68 |
|
else if (rdpver != 3) |
69 |
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{ |
70 |
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/* rdp5_process should move g_next_packet ok */ |
71 |
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rdp5_process(rdp_s); |
72 |
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*type = 0; |
73 |
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return rdp_s; |
74 |
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} |
75 |
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|
76 |
g_next_packet = rdp_s->p; |
g_next_packet = rdp_s->p; |
77 |
} |
} |
154 |
s->p += len; |
s->p += len; |
155 |
} |
} |
156 |
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|
157 |
|
/* Input a string in Unicode |
158 |
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* |
159 |
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* Returns str_len of string |
160 |
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*/ |
161 |
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int |
162 |
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rdp_in_unistr(STREAM s, char *string, int uni_len) |
163 |
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{ |
164 |
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int i = 0; |
165 |
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|
166 |
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while (i < uni_len / 2) |
167 |
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{ |
168 |
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in_uint8a(s, &string[i++], 1); |
169 |
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in_uint8s(s, 1); |
170 |
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} |
171 |
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|
172 |
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return i - 1; |
173 |
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} |
174 |
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|
175 |
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|
176 |
/* Parse a logon info packet */ |
/* Parse a logon info packet */ |
177 |
static void |
static void |
178 |
rdp_send_logon_info(uint32 flags, char *domain, char *user, |
rdp_send_logon_info(uint32 flags, char *domain, char *user, |
179 |
char *password, char *program, char *directory) |
char *password, char *program, char *directory) |
180 |
{ |
{ |
181 |
|
char *ipaddr = tcp_get_address(); |
182 |
int len_domain = 2 * strlen(domain); |
int len_domain = 2 * strlen(domain); |
183 |
int len_user = 2 * strlen(user); |
int len_user = 2 * strlen(user); |
184 |
int len_password = 2 * strlen(password); |
int len_password = 2 * strlen(password); |
185 |
int len_program = 2 * strlen(program); |
int len_program = 2 * strlen(program); |
186 |
int len_directory = 2 * strlen(directory); |
int len_directory = 2 * strlen(directory); |
187 |
int len_ip = 2 * strlen("127.0.0.1"); |
int len_ip = 2 * strlen(ipaddr); |
188 |
int len_dll = 2 * strlen("C:\\WINNT\\System32\\mstscax.dll"); |
int len_dll = 2 * strlen("C:\\WINNT\\System32\\mstscax.dll"); |
189 |
int packetlen = 0; |
int packetlen = 0; |
190 |
uint32 sec_flags = g_encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO; |
uint32 sec_flags = g_encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO; |
191 |
STREAM s; |
STREAM s; |
192 |
|
time_t t = time(NULL); |
193 |
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time_t tzone; |
194 |
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|
195 |
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#if 0 |
196 |
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/* enable rdp compression */ |
197 |
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/* some problems still exist with rdp5 */ |
198 |
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flags |= RDP_COMPRESSION; |
199 |
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#endif |
200 |
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|
201 |
if (!g_use_rdp5 || 1 == g_server_rdp_version) |
if (!g_use_rdp5 || 1 == g_server_rdp_version) |
202 |
{ |
{ |
220 |
} |
} |
221 |
else |
else |
222 |
{ |
{ |
223 |
|
|
224 |
flags |= RDP_LOGON_BLOB; |
flags |= RDP_LOGON_BLOB; |
225 |
DEBUG_RDP5(("Sending RDP5-style Logon packet\n")); |
DEBUG_RDP5(("Sending RDP5-style Logon packet\n")); |
226 |
packetlen = 4 + // Unknown uint32 |
packetlen = 4 + /* Unknown uint32 */ |
227 |
4 + // flags |
4 + /* flags */ |
228 |
2 + // len_domain |
2 + /* len_domain */ |
229 |
2 + // len_user |
2 + /* len_user */ |
230 |
(flags & RDP_LOGON_AUTO ? 2 : 0) + // len_password |
(flags & RDP_LOGON_AUTO ? 2 : 0) + /* len_password */ |
231 |
(flags & RDP_LOGON_BLOB ? 2 : 0) + // Length of BLOB |
(flags & RDP_LOGON_BLOB ? 2 : 0) + /* Length of BLOB */ |
232 |
2 + // len_program |
2 + /* len_program */ |
233 |
2 + // len_directory |
2 + /* len_directory */ |
234 |
(0 < len_domain ? len_domain : 2) + // domain |
(0 < len_domain ? len_domain : 2) + /* domain */ |
235 |
len_user + (flags & RDP_LOGON_AUTO ? len_password : 0) + 0 + // We have no 512 byte BLOB. Perhaps we must? |
len_user + (flags & RDP_LOGON_AUTO ? len_password : 0) + 0 + /* We have no 512 byte BLOB. Perhaps we must? */ |
236 |
(flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO) ? 2 : 0) + // After the BLOB is a unknown int16. If there is a BLOB, that is. |
(flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO) ? 2 : 0) + /* After the BLOB is a unknown int16. If there is a BLOB, that is. */ |
237 |
(0 < len_program ? len_program : 2) + (0 < len_directory ? len_directory : 2) + 2 + // Unknown (2) |
(0 < len_program ? len_program : 2) + (0 < len_directory ? len_directory : 2) + 2 + /* Unknown (2) */ |
238 |
2 + // Client ip length |
2 + /* Client ip length */ |
239 |
len_ip + // Client ip |
len_ip + /* Client ip */ |
240 |
2 + // DLL string length |
2 + /* DLL string length */ |
241 |
len_dll + // DLL string |
len_dll + /* DLL string */ |
242 |
2 + // Unknown |
2 + /* Unknown */ |
243 |
2 + // Unknown |
2 + /* Unknown */ |
244 |
64 + // Time zone #0 |
64 + /* Time zone #0 */ |
245 |
2 + // Unknown |
2 + /* Unknown */ |
246 |
64 + // Time zone #1 |
64 + /* Time zone #1 */ |
247 |
32; // Unknown |
32; /* Unknown */ |
248 |
|
|
249 |
s = sec_init(sec_flags, packetlen); |
s = sec_init(sec_flags, packetlen); |
250 |
DEBUG_RDP5(("Called sec_init with packetlen %d\n", packetlen)); |
DEBUG_RDP5(("Called sec_init with packetlen %d\n", packetlen)); |
251 |
|
|
252 |
out_uint32(s, 0); // Unknown |
out_uint32(s, 0); /* Unknown */ |
253 |
out_uint32_le(s, flags); |
out_uint32_le(s, flags); |
254 |
out_uint16_le(s, len_domain); |
out_uint16_le(s, len_domain); |
255 |
out_uint16_le(s, len_user); |
out_uint16_le(s, len_user); |
295 |
out_uint16_le(s, 0); |
out_uint16_le(s, 0); |
296 |
} |
} |
297 |
out_uint16_le(s, 2); |
out_uint16_le(s, 2); |
298 |
out_uint16_le(s, len_ip + 2); // Length of client ip |
out_uint16_le(s, len_ip + 2); /* Length of client ip */ |
299 |
rdp_out_unistr(s, "127.0.0.1", len_ip); |
rdp_out_unistr(s, ipaddr, len_ip); |
300 |
out_uint16_le(s, len_dll + 2); |
out_uint16_le(s, len_dll + 2); |
301 |
rdp_out_unistr(s, "C:\\WINNT\\System32\\mstscax.dll", len_dll); |
rdp_out_unistr(s, "C:\\WINNT\\System32\\mstscax.dll", len_dll); |
302 |
out_uint16_le(s, 0xffc4); |
|
303 |
out_uint16_le(s, 0xffff); |
tzone = (mktime(gmtime(&t)) - mktime(localtime(&t))) / 60; |
304 |
|
out_uint32_le(s, tzone); |
305 |
|
|
306 |
rdp_out_unistr(s, "GTB, normaltid", 2 * strlen("GTB, normaltid")); |
rdp_out_unistr(s, "GTB, normaltid", 2 * strlen("GTB, normaltid")); |
307 |
out_uint8s(s, 62 - 2 * strlen("GTB, normaltid")); |
out_uint8s(s, 62 - 2 * strlen("GTB, normaltid")); |
308 |
|
|
|
|
|
309 |
out_uint32_le(s, 0x0a0000); |
out_uint32_le(s, 0x0a0000); |
310 |
out_uint32_le(s, 0x050000); |
out_uint32_le(s, 0x050000); |
311 |
out_uint32_le(s, 3); |
out_uint32_le(s, 3); |
321 |
out_uint32(s, 0); |
out_uint32(s, 0); |
322 |
out_uint32_le(s, 0xffffffc4); |
out_uint32_le(s, 0xffffffc4); |
323 |
out_uint32_le(s, 0xfffffffe); |
out_uint32_le(s, 0xfffffffe); |
324 |
out_uint32_le(s, 0x0f); |
out_uint32_le(s, g_rdp5_performanceflags); |
325 |
out_uint32(s, 0); |
out_uint32(s, 0); |
326 |
|
|
327 |
|
|
382 |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
383 |
} |
} |
384 |
|
|
385 |
|
/* Inform the server on the contents of the persistent bitmap cache */ |
386 |
|
static void |
387 |
|
rdp_enum_bmpcache2(void) |
388 |
|
{ |
389 |
|
STREAM s; |
390 |
|
HASH_KEY keylist[BMPCACHE2_NUM_PSTCELLS]; |
391 |
|
uint32 num_keys, offset, count, flags; |
392 |
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|
393 |
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offset = 0; |
394 |
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num_keys = pstcache_enumerate(2, keylist); |
395 |
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|
396 |
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while (offset < num_keys) |
397 |
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{ |
398 |
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count = MIN(num_keys - offset, 169); |
399 |
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|
400 |
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s = rdp_init_data(24 + count * sizeof(HASH_KEY)); |
401 |
|
|
402 |
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flags = 0; |
403 |
|
if (offset == 0) |
404 |
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flags |= PDU_FLAG_FIRST; |
405 |
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if (num_keys - offset <= 169) |
406 |
|
flags |= PDU_FLAG_LAST; |
407 |
|
|
408 |
|
/* header */ |
409 |
|
out_uint32_le(s, 0); |
410 |
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out_uint16_le(s, count); |
411 |
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out_uint16_le(s, 0); |
412 |
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out_uint16_le(s, 0); |
413 |
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out_uint16_le(s, 0); |
414 |
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out_uint16_le(s, 0); |
415 |
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out_uint16_le(s, num_keys); |
416 |
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out_uint32_le(s, 0); |
417 |
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out_uint32_le(s, flags); |
418 |
|
|
419 |
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/* list */ |
420 |
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out_uint8a(s, keylist[offset], count * sizeof(HASH_KEY)); |
421 |
|
|
422 |
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s_mark_end(s); |
423 |
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rdp_send_data(s, 0x2b); |
424 |
|
|
425 |
|
offset += 169; |
426 |
|
} |
427 |
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} |
428 |
|
|
429 |
/* Send an (empty) font information PDU */ |
/* Send an (empty) font information PDU */ |
430 |
static void |
static void |
431 |
rdp_send_fonts(uint16 seq) |
rdp_send_fonts(uint16 seq) |
435 |
s = rdp_init_data(8); |
s = rdp_init_data(8); |
436 |
|
|
437 |
out_uint16(s, 0); /* number of fonts */ |
out_uint16(s, 0); /* number of fonts */ |
438 |
out_uint16_le(s, 0x3e); /* unknown */ |
out_uint16_le(s, 0); /* pad? */ |
439 |
out_uint16_le(s, seq); /* unknown */ |
out_uint16_le(s, seq); /* unknown */ |
440 |
out_uint16_le(s, 0x32); /* entry size */ |
out_uint16_le(s, 0x32); /* entry size */ |
441 |
|
|
476 |
out_uint16_le(s, RDP_CAPSET_BITMAP); |
out_uint16_le(s, RDP_CAPSET_BITMAP); |
477 |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
478 |
|
|
479 |
out_uint16_le(s, 8); /* Preferred BPP */ |
out_uint16_le(s, g_server_bpp); /* Preferred BPP */ |
480 |
out_uint16_le(s, 1); /* Receive 1 BPP */ |
out_uint16_le(s, 1); /* Receive 1 BPP */ |
481 |
out_uint16_le(s, 1); /* Receive 4 BPP */ |
out_uint16_le(s, 1); /* Receive 4 BPP */ |
482 |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
483 |
out_uint16_le(s, 800); /* Desktop width */ |
out_uint16_le(s, 800); /* Desktop width */ |
484 |
out_uint16_le(s, 600); /* Desktop height */ |
out_uint16_le(s, 600); /* Desktop height */ |
485 |
out_uint16(s, 0); /* Pad */ |
out_uint16(s, 0); /* Pad */ |
486 |
out_uint16(s, 0); /* Allow resize */ |
out_uint16(s, 1); /* Allow resize */ |
487 |
out_uint16_le(s, g_bitmap_compression ? 1 : 0); /* Support compression */ |
out_uint16_le(s, g_bitmap_compression ? 1 : 0); /* Support compression */ |
488 |
out_uint16(s, 0); /* Unknown */ |
out_uint16(s, 0); /* Unknown */ |
489 |
out_uint16_le(s, 1); /* Unknown */ |
out_uint16_le(s, 1); /* Unknown */ |
496 |
{ |
{ |
497 |
uint8 order_caps[32]; |
uint8 order_caps[32]; |
498 |
|
|
|
|
|
499 |
memset(order_caps, 0, 32); |
memset(order_caps, 0, 32); |
500 |
order_caps[0] = 1; /* dest blt */ |
order_caps[0] = 1; /* dest blt */ |
501 |
order_caps[1] = 1; /* pat blt */ |
order_caps[1] = 1; /* pat blt */ |
502 |
order_caps[2] = 1; /* screen blt */ |
order_caps[2] = 1; /* screen blt */ |
503 |
order_caps[3] = 1; /* required for memblt? */ |
order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
504 |
|
order_caps[4] = 0; /* triblt */ |
505 |
order_caps[8] = 1; /* line */ |
order_caps[8] = 1; /* line */ |
506 |
order_caps[9] = 1; /* line */ |
order_caps[9] = 1; /* line */ |
507 |
order_caps[10] = 1; /* rect */ |
order_caps[10] = 1; /* rect */ |
508 |
order_caps[11] = (g_desktop_save == False ? 0 : 1); /* desksave */ |
order_caps[11] = (g_desktop_save ? 1 : 0); /* desksave */ |
509 |
order_caps[13] = 1; /* memblt */ |
order_caps[13] = 1; /* memblt */ |
510 |
order_caps[14] = 1; /* triblt */ |
order_caps[14] = 1; /* triblt */ |
511 |
|
order_caps[20] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon */ |
512 |
|
order_caps[21] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon2 */ |
513 |
order_caps[22] = 1; /* polyline */ |
order_caps[22] = 1; /* polyline */ |
514 |
|
order_caps[25] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse */ |
515 |
|
order_caps[26] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse2 */ |
516 |
order_caps[27] = 1; /* text2 */ |
order_caps[27] = 1; /* text2 */ |
517 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
out_uint16_le(s, RDP_CAPSET_ORDER); |
518 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
550 |
out_uint16_le(s, 0x1000 * Bpp); /* max cell size */ |
out_uint16_le(s, 0x1000 * Bpp); /* max cell size */ |
551 |
} |
} |
552 |
|
|
553 |
|
/* Output bitmap cache v2 capability set */ |
554 |
|
static void |
555 |
|
rdp_out_bmpcache2_caps(STREAM s) |
556 |
|
{ |
557 |
|
out_uint16_le(s, RDP_CAPSET_BMPCACHE2); |
558 |
|
out_uint16_le(s, RDP_CAPLEN_BMPCACHE2); |
559 |
|
|
560 |
|
out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ |
561 |
|
|
562 |
|
out_uint16_le(s, 0x0300); /* flags? number of caches? */ |
563 |
|
|
564 |
|
out_uint32_le(s, BMPCACHE2_C0_CELLS); |
565 |
|
out_uint32_le(s, BMPCACHE2_C1_CELLS); |
566 |
|
if (pstcache_init(2)) |
567 |
|
{ |
568 |
|
out_uint32_le(s, BMPCACHE2_NUM_PSTCELLS | BMPCACHE2_FLAG_PERSIST); |
569 |
|
} |
570 |
|
else |
571 |
|
{ |
572 |
|
out_uint32_le(s, BMPCACHE2_C2_CELLS); |
573 |
|
} |
574 |
|
out_uint8s(s, 20); /* other bitmap caches not used */ |
575 |
|
} |
576 |
|
|
577 |
/* Output control capability set */ |
/* Output control capability set */ |
578 |
static void |
static void |
579 |
rdp_out_control_caps(STREAM s) |
rdp_out_control_caps(STREAM s) |
633 |
out_uint16(s, 0); /* pad */ |
out_uint16(s, 0); /* pad */ |
634 |
} |
} |
635 |
|
|
636 |
static uint8 canned_caps[] = { |
static uint8 caps_0x0d[] = { |
637 |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x04, |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, |
638 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, |
0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
639 |
0x00, 0x00, 0x00, 0x00, 0x00, |
0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
640 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
641 |
0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
642 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
643 |
0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
644 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
645 |
0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
646 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
647 |
0x0C, 0x00, 0x08, 0x00, 0x01, |
0x00, 0x00, 0x00, 0x00 |
|
0x00, 0x00, 0x00, 0x0E, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, |
|
|
0x10, 0x00, 0x34, 0x00, 0xFE, |
|
|
0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x08, 0x00, |
|
|
0xFE, 0x00, 0x08, 0x00, 0xFE, |
|
|
0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, 0xFE, 0x00, 0x40, 0x00, |
|
|
0xFE, 0x00, 0x80, 0x00, 0xFE, |
|
|
0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x01, |
|
|
0x02, 0x00, 0x00, 0x00 |
|
648 |
}; |
}; |
649 |
|
|
650 |
/* Output unknown capability sets (number 13, 12, 14 and 16) */ |
static uint8 caps_0x0c[] = { 0x01, 0x00, 0x00, 0x00 }; |
651 |
|
|
652 |
|
static uint8 caps_0x0e[] = { 0x01, 0x00, 0x00, 0x00 }; |
653 |
|
|
654 |
|
static uint8 caps_0x10[] = { |
655 |
|
0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, |
656 |
|
0xFE, 0x00, 0x08, 0x00, 0xFE, 0x00, 0x08, 0x00, |
657 |
|
0xFE, 0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, |
658 |
|
0xFE, 0x00, 0x40, 0x00, 0xFE, 0x00, 0x80, 0x00, |
659 |
|
0xFE, 0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, |
660 |
|
0x00, 0x01, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00 |
661 |
|
}; |
662 |
|
|
663 |
|
/* Output unknown capability sets */ |
664 |
static void |
static void |
665 |
rdp_out_unknown_caps(STREAM s) |
rdp_out_unknown_caps(STREAM s, uint16 id, uint16 length, uint8 * caps) |
666 |
{ |
{ |
667 |
out_uint16_le(s, RDP_CAPSET_UNKNOWN); |
out_uint16_le(s, id); |
668 |
out_uint16_le(s, 0x58); |
out_uint16_le(s, length); |
669 |
|
|
670 |
out_uint8p(s, canned_caps, RDP_CAPLEN_UNKNOWN - 4); |
out_uint8p(s, caps, length - 4); |
671 |
} |
} |
672 |
|
|
673 |
#define RDP5_FLAG 0x0030 |
#define RDP5_FLAG 0x0030 |
681 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
682 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
683 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
684 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + RDP_CAPLEN_UNKNOWN + 4 /* w2k fix, why? */ ; |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + |
685 |
|
0x58 + 0x08 + 0x08 + 0x34 /* unknown caps */ + |
686 |
|
4 /* w2k fix, why? */ ; |
687 |
|
|
688 |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
689 |
|
|
703 |
rdp_out_general_caps(s); |
rdp_out_general_caps(s); |
704 |
rdp_out_bitmap_caps(s); |
rdp_out_bitmap_caps(s); |
705 |
rdp_out_order_caps(s); |
rdp_out_order_caps(s); |
706 |
rdp_out_bmpcache_caps(s); |
g_use_rdp5 ? rdp_out_bmpcache2_caps(s) : rdp_out_bmpcache_caps(s); |
707 |
rdp_out_colcache_caps(s); |
rdp_out_colcache_caps(s); |
708 |
rdp_out_activate_caps(s); |
rdp_out_activate_caps(s); |
709 |
rdp_out_control_caps(s); |
rdp_out_control_caps(s); |
710 |
rdp_out_pointer_caps(s); |
rdp_out_pointer_caps(s); |
711 |
rdp_out_share_caps(s); |
rdp_out_share_caps(s); |
712 |
rdp_out_unknown_caps(s); |
|
713 |
|
rdp_out_unknown_caps(s, 0x0d, 0x58, caps_0x0d); /* international? */ |
714 |
|
rdp_out_unknown_caps(s, 0x0c, 0x08, caps_0x0c); |
715 |
|
rdp_out_unknown_caps(s, 0x0e, 0x08, caps_0x0e); |
716 |
|
rdp_out_unknown_caps(s, 0x10, 0x34, caps_0x10); /* glyph cache? */ |
717 |
|
|
718 |
s_mark_end(s); |
s_mark_end(s); |
719 |
sec_send(s, sec_flags); |
sec_send(s, sec_flags); |
720 |
} |
} |
721 |
|
|
722 |
|
/* Process a general capability set */ |
723 |
|
static void |
724 |
|
rdp_process_general_caps(STREAM s) |
725 |
|
{ |
726 |
|
uint16 pad2octetsB; /* rdp5 flags? */ |
727 |
|
|
728 |
|
in_uint8s(s, 10); |
729 |
|
in_uint16_le(s, pad2octetsB); |
730 |
|
|
731 |
|
if (!pad2octetsB) |
732 |
|
g_use_rdp5 = False; |
733 |
|
} |
734 |
|
|
735 |
|
/* Process a bitmap capability set */ |
736 |
|
static void |
737 |
|
rdp_process_bitmap_caps(STREAM s) |
738 |
|
{ |
739 |
|
uint16 width, height, bpp; |
740 |
|
|
741 |
|
in_uint16_le(s, bpp); |
742 |
|
in_uint8s(s, 6); |
743 |
|
|
744 |
|
in_uint16_le(s, width); |
745 |
|
in_uint16_le(s, height); |
746 |
|
|
747 |
|
DEBUG(("setting desktop size and bpp to: %dx%dx%d\n", width, height, bpp)); |
748 |
|
|
749 |
|
/* |
750 |
|
* The server may limit bpp and change the size of the desktop (for |
751 |
|
* example when shadowing another session). |
752 |
|
*/ |
753 |
|
if (g_server_bpp != bpp) |
754 |
|
{ |
755 |
|
warning("colour depth changed from %d to %d\n", g_server_bpp, bpp); |
756 |
|
g_server_bpp = bpp; |
757 |
|
} |
758 |
|
if (g_width != width || g_height != height) |
759 |
|
{ |
760 |
|
warning("screen size changed from %dx%d to %dx%d\n", g_width, g_height, |
761 |
|
width, height); |
762 |
|
g_width = width; |
763 |
|
g_height = height; |
764 |
|
ui_resize_window(); |
765 |
|
} |
766 |
|
} |
767 |
|
|
768 |
|
/* Process server capabilities */ |
769 |
|
void |
770 |
|
rdp_process_server_caps(STREAM s, uint16 length) |
771 |
|
{ |
772 |
|
int n; |
773 |
|
uint8 *next, *start; |
774 |
|
uint16 ncapsets, capset_type, capset_length; |
775 |
|
|
776 |
|
start = s->p; |
777 |
|
|
778 |
|
in_uint16_le(s, ncapsets); |
779 |
|
in_uint8s(s, 2); /* pad */ |
780 |
|
|
781 |
|
for (n = 0; n < ncapsets; n++) |
782 |
|
{ |
783 |
|
if (s->p > start + length) |
784 |
|
return; |
785 |
|
|
786 |
|
in_uint16_le(s, capset_type); |
787 |
|
in_uint16_le(s, capset_length); |
788 |
|
|
789 |
|
next = s->p + capset_length - 4; |
790 |
|
|
791 |
|
switch (capset_type) |
792 |
|
{ |
793 |
|
case RDP_CAPSET_GENERAL: |
794 |
|
rdp_process_general_caps(s); |
795 |
|
break; |
796 |
|
|
797 |
|
case RDP_CAPSET_BITMAP: |
798 |
|
rdp_process_bitmap_caps(s); |
799 |
|
break; |
800 |
|
} |
801 |
|
|
802 |
|
s->p = next; |
803 |
|
} |
804 |
|
} |
805 |
|
|
806 |
/* Respond to a demand active PDU */ |
/* Respond to a demand active PDU */ |
807 |
static void |
static void |
808 |
process_demand_active(STREAM s) |
process_demand_active(STREAM s) |
809 |
{ |
{ |
810 |
uint8 type; |
uint8 type; |
811 |
|
uint16 len_src_descriptor, len_combined_caps; |
812 |
|
|
813 |
in_uint32_le(s, g_rdp_shareid); |
in_uint32_le(s, g_rdp_shareid); |
814 |
|
in_uint16_le(s, len_src_descriptor); |
815 |
|
in_uint16_le(s, len_combined_caps); |
816 |
|
in_uint8s(s, len_src_descriptor); |
817 |
|
|
818 |
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", g_rdp_shareid)); |
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", g_rdp_shareid)); |
819 |
|
rdp_process_server_caps(s, len_combined_caps); |
820 |
|
|
821 |
rdp_send_confirm_active(); |
rdp_send_confirm_active(); |
822 |
rdp_send_synchronise(); |
rdp_send_synchronise(); |
825 |
rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ |
rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ |
826 |
rdp_recv(&type); /* RDP_CTL_COOPERATE */ |
rdp_recv(&type); /* RDP_CTL_COOPERATE */ |
827 |
rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ |
rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ |
828 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, 0, 0); |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(read_keyboard_state()), 0); |
829 |
rdp_send_fonts(1); |
|
830 |
rdp_send_fonts(2); |
if (g_use_rdp5) |
831 |
rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 */ |
{ |
832 |
|
rdp_enum_bmpcache2(); |
833 |
|
rdp_send_fonts(3); |
834 |
|
} |
835 |
|
else |
836 |
|
{ |
837 |
|
rdp_send_fonts(1); |
838 |
|
rdp_send_fonts(2); |
839 |
|
} |
840 |
|
|
841 |
|
rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 (Fonts?) */ |
842 |
reset_order_state(); |
reset_order_state(); |
843 |
} |
} |
844 |
|
|
959 |
DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n", |
DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n", |
960 |
left, top, right, bottom, width, height, Bpp, compress)); |
left, top, right, bottom, width, height, Bpp, compress)); |
961 |
|
|
|
/* Server may limit bpp - this is how we find out */ |
|
|
if (g_server_bpp != bpp) { |
|
|
warning("Server limited colour depth to %d bits\n", bpp); |
|
|
g_server_bpp = bpp; |
|
|
} |
|
|
|
|
962 |
if (!compress) |
if (!compress) |
963 |
{ |
{ |
964 |
int y; |
int y; |
1038 |
|
|
1039 |
in_uint16_le(s, update_type); |
in_uint16_le(s, update_type); |
1040 |
|
|
1041 |
|
ui_begin_update(); |
1042 |
switch (update_type) |
switch (update_type) |
1043 |
{ |
{ |
1044 |
case RDP_UPDATE_ORDERS: |
case RDP_UPDATE_ORDERS: |
1062 |
default: |
default: |
1063 |
unimpl("update %d\n", update_type); |
unimpl("update %d\n", update_type); |
1064 |
} |
} |
1065 |
|
ui_end_update(); |
1066 |
|
} |
1067 |
|
|
1068 |
|
/* Process a disconnect PDU */ |
1069 |
|
void |
1070 |
|
process_disconnect_pdu(STREAM s, uint32 * ext_disc_reason) |
1071 |
|
{ |
1072 |
|
in_uint32_le(s, *ext_disc_reason); |
1073 |
|
|
1074 |
|
DEBUG(("Received disconnect PDU\n")); |
1075 |
} |
} |
1076 |
|
|
1077 |
/* Process data PDU */ |
/* Process data PDU */ |
1078 |
static void |
static BOOL |
1079 |
process_data_pdu(STREAM s) |
process_data_pdu(STREAM s, uint32 * ext_disc_reason) |
1080 |
{ |
{ |
1081 |
uint8 data_pdu_type; |
uint8 data_pdu_type; |
1082 |
|
uint8 ctype; |
1083 |
|
uint16 clen; |
1084 |
|
uint32 len; |
1085 |
|
|
1086 |
|
uint32 roff, rlen; |
1087 |
|
|
1088 |
in_uint8s(s, 8); /* shareid, pad, streamid, length */ |
struct stream *ns = &(g_mppc_dict.ns); |
1089 |
|
|
1090 |
|
in_uint8s(s, 6); /* shareid, pad, streamid */ |
1091 |
|
in_uint16(s, len); |
1092 |
in_uint8(s, data_pdu_type); |
in_uint8(s, data_pdu_type); |
1093 |
in_uint8s(s, 3); /* compress_type, compress_len */ |
in_uint8(s, ctype); |
1094 |
|
in_uint16(s, clen); |
1095 |
|
clen -= 18; |
1096 |
|
|
1097 |
|
if (ctype & RDP_MPPC_COMPRESSED) |
1098 |
|
{ |
1099 |
|
if (len > RDP_MPPC_DICT_SIZE) |
1100 |
|
error("error decompressed packet size exceeds max\n"); |
1101 |
|
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
1102 |
|
error("error while decompressing packet\n"); |
1103 |
|
|
1104 |
|
//len -= 18; |
1105 |
|
|
1106 |
|
/* allocate memory and copy the uncompressed data into the temporary stream */ |
1107 |
|
ns->data = (uint8 *) xrealloc(ns->data, rlen); |
1108 |
|
|
1109 |
|
memcpy((ns->data), (unsigned char *) (g_mppc_dict.hist + roff), rlen); |
1110 |
|
|
1111 |
|
ns->size = rlen; |
1112 |
|
ns->end = (ns->data + ns->size); |
1113 |
|
ns->p = ns->data; |
1114 |
|
ns->rdp_hdr = ns->p; |
1115 |
|
|
1116 |
|
s = ns; |
1117 |
|
} |
1118 |
|
|
1119 |
switch (data_pdu_type) |
switch (data_pdu_type) |
1120 |
{ |
{ |
1122 |
process_update_pdu(s); |
process_update_pdu(s); |
1123 |
break; |
break; |
1124 |
|
|
1125 |
|
case RDP_DATA_PDU_CONTROL: |
1126 |
|
DEBUG(("Received Control PDU\n")); |
1127 |
|
break; |
1128 |
|
|
1129 |
|
case RDP_DATA_PDU_SYNCHRONISE: |
1130 |
|
DEBUG(("Received Sync PDU\n")); |
1131 |
|
break; |
1132 |
|
|
1133 |
case RDP_DATA_PDU_POINTER: |
case RDP_DATA_PDU_POINTER: |
1134 |
process_pointer_pdu(s); |
process_pointer_pdu(s); |
1135 |
break; |
break; |
1144 |
break; |
break; |
1145 |
|
|
1146 |
case RDP_DATA_PDU_DISCONNECT: |
case RDP_DATA_PDU_DISCONNECT: |
1147 |
/* Normally received when user logs out or disconnects from a |
process_disconnect_pdu(s, ext_disc_reason); |
1148 |
console session on Windows XP and 2003 Server */ |
return True; |
|
DEBUG(("Received disconnect PDU\n")); |
|
|
break; |
|
1149 |
|
|
1150 |
default: |
default: |
1151 |
unimpl("data PDU %d\n", data_pdu_type); |
unimpl("data PDU %d\n", data_pdu_type); |
1152 |
} |
} |
1153 |
|
return False; |
1154 |
} |
} |
1155 |
|
|
1156 |
/* Process incoming packets */ |
/* Process incoming packets */ |
1157 |
|
/* nevers gets out of here till app is done */ |
1158 |
|
void |
1159 |
|
rdp_main_loop(BOOL * deactivated, uint32 * ext_disc_reason) |
1160 |
|
{ |
1161 |
|
while (rdp_loop(deactivated, ext_disc_reason)) |
1162 |
|
; |
1163 |
|
} |
1164 |
|
|
1165 |
|
/* used in uiports and rdp_main_loop, processes the rdp packets waiting */ |
1166 |
BOOL |
BOOL |
1167 |
rdp_main_loop(void) |
rdp_loop(BOOL * deactivated, uint32 * ext_disc_reason) |
1168 |
{ |
{ |
1169 |
uint8 type; |
uint8 type; |
1170 |
|
BOOL disc = False; /* True when a disconnect PDU was received */ |
1171 |
|
BOOL cont = True; |
1172 |
STREAM s; |
STREAM s; |
1173 |
|
|
1174 |
while ((s = rdp_recv(&type)) != NULL) |
while (cont) |
1175 |
{ |
{ |
1176 |
|
s = rdp_recv(&type); |
1177 |
|
if (s == NULL) |
1178 |
|
return False; |
1179 |
switch (type) |
switch (type) |
1180 |
{ |
{ |
1181 |
case RDP_PDU_DEMAND_ACTIVE: |
case RDP_PDU_DEMAND_ACTIVE: |
1182 |
process_demand_active(s); |
process_demand_active(s); |
1183 |
|
*deactivated = False; |
1184 |
break; |
break; |
|
|
|
1185 |
case RDP_PDU_DEACTIVATE: |
case RDP_PDU_DEACTIVATE: |
1186 |
DEBUG(("RDP_PDU_DEACTIVATE\n")); |
DEBUG(("RDP_PDU_DEACTIVATE\n")); |
1187 |
/* We thought we could detect a clean |
*deactivated = True; |
|
shutdown of the session by this |
|
|
packet, but it seems Windows 2003 |
|
|
is sending us one of these when we |
|
|
reconnect to a disconnected session |
|
|
return True; */ |
|
1188 |
break; |
break; |
|
|
|
1189 |
case RDP_PDU_DATA: |
case RDP_PDU_DATA: |
1190 |
process_data_pdu(s); |
disc = process_data_pdu(s, ext_disc_reason); |
1191 |
break; |
break; |
|
|
|
1192 |
case 0: |
case 0: |
1193 |
break; |
break; |
|
|
|
1194 |
default: |
default: |
1195 |
unimpl("PDU %d\n", type); |
unimpl("PDU %d\n", type); |
1196 |
} |
} |
1197 |
|
if (disc) |
1198 |
|
return False; |
1199 |
|
cont = g_next_packet < s->end; |
1200 |
} |
} |
1201 |
return True; |
return True; |
|
/* We want to detect if we got a clean shutdown, but we |
|
|
can't. Se above. |
|
|
return False; */ |
|
1202 |
} |
} |
1203 |
|
|
1204 |
/* Establish a connection up to the RDP layer */ |
/* Establish a connection up to the RDP layer */ |