1 |
/* |
2 |
rdesktop: A Remote Desktop Protocol client. |
3 |
Protocol services - RDP layer |
4 |
Copyright (C) Matthew Chapman 1999-2001 |
5 |
|
6 |
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 |
8 |
the Free Software Foundation; either version 2 of the License, or |
9 |
(at your option) any later version. |
10 |
|
11 |
This program is distributed in the hope that it will be useful, |
12 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
GNU General Public License for more details. |
15 |
|
16 |
You should have received a copy of the GNU General Public License |
17 |
along with this program; if not, write to the Free Software |
18 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 |
*/ |
20 |
|
21 |
#include "rdesktop.h" |
22 |
|
23 |
extern uint16 mcs_userid; |
24 |
extern char username[16]; |
25 |
extern BOOL bitmap_compression; |
26 |
extern BOOL orders; |
27 |
extern BOOL encryption; |
28 |
extern BOOL desktop_save; |
29 |
|
30 |
uint8 *next_packet; |
31 |
uint32 rdp_shareid; |
32 |
|
33 |
/* Initialise an RDP packet */ |
34 |
static STREAM |
35 |
rdp_init(int maxlen) |
36 |
{ |
37 |
STREAM s; |
38 |
|
39 |
s = sec_init(encryption ? SEC_ENCRYPT : 0, maxlen + 6); |
40 |
s_push_layer(s, rdp_hdr, 6); |
41 |
|
42 |
return s; |
43 |
} |
44 |
|
45 |
/* Send an RDP packet */ |
46 |
static void |
47 |
rdp_send(STREAM s, uint8 pdu_type) |
48 |
{ |
49 |
uint16 length; |
50 |
|
51 |
s_pop_layer(s, rdp_hdr); |
52 |
length = s->end - s->p; |
53 |
|
54 |
out_uint16_le(s, length); |
55 |
out_uint16_le(s, (pdu_type | 0x10)); /* Version 1 */ |
56 |
out_uint16_le(s, (mcs_userid + 1001)); |
57 |
|
58 |
sec_send(s, encryption ? SEC_ENCRYPT : 0); |
59 |
} |
60 |
|
61 |
/* Receive an RDP packet */ |
62 |
static STREAM |
63 |
rdp_recv(uint8 * type) |
64 |
{ |
65 |
static STREAM rdp_s; |
66 |
uint16 length, pdu_type; |
67 |
|
68 |
if ((rdp_s == NULL) || (next_packet >= rdp_s->end)) |
69 |
{ |
70 |
rdp_s = sec_recv(); |
71 |
if (rdp_s == NULL) |
72 |
return NULL; |
73 |
|
74 |
next_packet = rdp_s->p; |
75 |
} |
76 |
else |
77 |
{ |
78 |
rdp_s->p = next_packet; |
79 |
} |
80 |
|
81 |
in_uint16_le(rdp_s, length); |
82 |
in_uint16_le(rdp_s, pdu_type); |
83 |
in_uint8s(rdp_s, 2); /* userid */ |
84 |
*type = pdu_type & 0xf; |
85 |
|
86 |
#if WITH_DEBUG |
87 |
DEBUG(("RDP packet (type %x):\n", *type)); |
88 |
hexdump(next_packet, length); |
89 |
#endif /* */ |
90 |
|
91 |
next_packet += length; |
92 |
return rdp_s; |
93 |
} |
94 |
|
95 |
/* Initialise an RDP data packet */ |
96 |
static STREAM |
97 |
rdp_init_data(int maxlen) |
98 |
{ |
99 |
STREAM s; |
100 |
|
101 |
s = sec_init(encryption ? SEC_ENCRYPT : 0, maxlen + 18); |
102 |
s_push_layer(s, rdp_hdr, 18); |
103 |
|
104 |
return s; |
105 |
} |
106 |
|
107 |
/* Send an RDP data packet */ |
108 |
static void |
109 |
rdp_send_data(STREAM s, uint8 data_pdu_type) |
110 |
{ |
111 |
uint16 length; |
112 |
|
113 |
s_pop_layer(s, rdp_hdr); |
114 |
length = s->end - s->p; |
115 |
|
116 |
out_uint16_le(s, length); |
117 |
out_uint16_le(s, (RDP_PDU_DATA | 0x10)); |
118 |
out_uint16_le(s, (mcs_userid + 1001)); |
119 |
|
120 |
out_uint32_le(s, rdp_shareid); |
121 |
out_uint8(s, 0); /* pad */ |
122 |
out_uint8(s, 1); /* streamid */ |
123 |
out_uint16(s, (length - 14)); |
124 |
out_uint8(s, data_pdu_type); |
125 |
out_uint8(s, 0); /* compress_type */ |
126 |
out_uint16(s, 0); /* compress_len */ |
127 |
|
128 |
sec_send(s, encryption ? SEC_ENCRYPT : 0); |
129 |
} |
130 |
|
131 |
/* Output a string in Unicode */ |
132 |
void |
133 |
rdp_out_unistr(STREAM s, char *string, int len) |
134 |
{ |
135 |
int i = 0, j = 0; |
136 |
|
137 |
len += 2; |
138 |
|
139 |
while (i < len) |
140 |
{ |
141 |
s->p[i++] = string[j++]; |
142 |
s->p[i++] = 0; |
143 |
} |
144 |
|
145 |
s->p += len; |
146 |
} |
147 |
|
148 |
/* Parse a logon info packet */ |
149 |
static void |
150 |
rdp_send_logon_info(uint32 flags, char *domain, char *user, |
151 |
char *password, char *program, char *directory) |
152 |
{ |
153 |
int len_domain = 2 * strlen(domain); |
154 |
int len_user = 2 * strlen(user); |
155 |
int len_password = 2 * strlen(password); |
156 |
int len_program = 2 * strlen(program); |
157 |
int len_directory = 2 * strlen(directory); |
158 |
uint32 sec_flags = encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) |
159 |
: SEC_LOGON_INFO; |
160 |
STREAM s; |
161 |
|
162 |
s = sec_init(sec_flags, 18 + len_domain + len_user + len_password |
163 |
+ len_program + len_directory + 10); |
164 |
|
165 |
out_uint32(s, 0); |
166 |
out_uint32_le(s, flags); |
167 |
out_uint16_le(s, len_domain); |
168 |
out_uint16_le(s, len_user); |
169 |
out_uint16_le(s, len_password); |
170 |
out_uint16_le(s, len_program); |
171 |
out_uint16_le(s, len_directory); |
172 |
rdp_out_unistr(s, domain, len_domain); |
173 |
rdp_out_unistr(s, user, len_user); |
174 |
rdp_out_unistr(s, password, len_password); |
175 |
rdp_out_unistr(s, program, len_program); |
176 |
rdp_out_unistr(s, directory, len_directory); |
177 |
|
178 |
s_mark_end(s); |
179 |
sec_send(s, sec_flags); |
180 |
} |
181 |
|
182 |
/* Send a control PDU */ |
183 |
static void |
184 |
rdp_send_control(uint16 action) |
185 |
{ |
186 |
STREAM s; |
187 |
|
188 |
s = rdp_init_data(8); |
189 |
|
190 |
out_uint16_le(s, action); |
191 |
out_uint16(s, 0); /* userid */ |
192 |
out_uint32(s, 0); /* control id */ |
193 |
|
194 |
s_mark_end(s); |
195 |
rdp_send_data(s, RDP_DATA_PDU_CONTROL); |
196 |
} |
197 |
|
198 |
/* Send a synchronisation PDU */ |
199 |
static void |
200 |
rdp_send_synchronise() |
201 |
{ |
202 |
STREAM s; |
203 |
|
204 |
s = rdp_init_data(4); |
205 |
|
206 |
out_uint16_le(s, 1); /* type */ |
207 |
out_uint16_le(s, 1002); |
208 |
|
209 |
s_mark_end(s); |
210 |
rdp_send_data(s, RDP_DATA_PDU_SYNCHRONISE); |
211 |
} |
212 |
|
213 |
/* Send a single input event */ |
214 |
void |
215 |
rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, |
216 |
uint16 param1, uint16 param2) |
217 |
{ |
218 |
STREAM s; |
219 |
|
220 |
s = rdp_init_data(16); |
221 |
|
222 |
out_uint16_le(s, 1); /* number of events */ |
223 |
out_uint16(s, 0); /* pad */ |
224 |
|
225 |
out_uint32_le(s, time); |
226 |
out_uint16_le(s, message_type); |
227 |
out_uint16_le(s, device_flags); |
228 |
out_uint16_le(s, param1); |
229 |
out_uint16_le(s, param2); |
230 |
|
231 |
s_mark_end(s); |
232 |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
233 |
} |
234 |
|
235 |
/* Send an (empty) font information PDU */ |
236 |
static void |
237 |
rdp_send_fonts(uint16 seq) |
238 |
{ |
239 |
STREAM s; |
240 |
|
241 |
s = rdp_init_data(8); |
242 |
|
243 |
out_uint16(s, 0); /* number of fonts */ |
244 |
out_uint16_le(s, 0x3e); /* unknown */ |
245 |
out_uint16_le(s, seq); /* unknown */ |
246 |
out_uint16_le(s, 0x32); /* entry size */ |
247 |
|
248 |
s_mark_end(s); |
249 |
rdp_send_data(s, RDP_DATA_PDU_FONT2); |
250 |
} |
251 |
|
252 |
/* Output general capability set */ |
253 |
static void |
254 |
rdp_out_general_caps(STREAM s) |
255 |
{ |
256 |
out_uint16_le(s, RDP_CAPSET_GENERAL); |
257 |
out_uint16_le(s, RDP_CAPLEN_GENERAL); |
258 |
|
259 |
out_uint16_le(s, 1); /* OS major type */ |
260 |
out_uint16_le(s, 3); /* OS minor type */ |
261 |
out_uint16_le(s, 0x200); /* Protocol version */ |
262 |
out_uint16(s, 0); /* Pad */ |
263 |
out_uint16(s, 0); /* Compression types */ |
264 |
out_uint16(s, 0); /* Pad */ |
265 |
out_uint16(s, 0); /* Update capability */ |
266 |
out_uint16(s, 0); /* Remote unshare capability */ |
267 |
out_uint16(s, 0); /* Compression level */ |
268 |
out_uint16(s, 0); /* Pad */ |
269 |
} |
270 |
|
271 |
/* Output bitmap capability set */ |
272 |
static void |
273 |
rdp_out_bitmap_caps(STREAM s) |
274 |
{ |
275 |
out_uint16_le(s, RDP_CAPSET_BITMAP); |
276 |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
277 |
|
278 |
out_uint16_le(s, 8); /* Preferred BPP */ |
279 |
out_uint16(s, 1); /* Receive 1 BPP */ |
280 |
out_uint16(s, 1); /* Receive 4 BPP */ |
281 |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
282 |
out_uint16_le(s, 800); /* Desktop width */ |
283 |
out_uint16_le(s, 600); /* Desktop height */ |
284 |
out_uint16(s, 0); /* Pad */ |
285 |
out_uint16(s, 0); /* Allow resize */ |
286 |
out_uint16_le(s, bitmap_compression ? 1 : 0); /* Support compression */ |
287 |
out_uint16(s, 0); /* Unknown */ |
288 |
out_uint16_le(s, 1); /* Unknown */ |
289 |
out_uint16(s, 0); /* Pad */ |
290 |
} |
291 |
|
292 |
/* Output order capability set */ |
293 |
static void |
294 |
rdp_out_order_caps(STREAM s) |
295 |
{ |
296 |
uint8 order_caps[32]; |
297 |
|
298 |
|
299 |
memset(order_caps, 0, 32); |
300 |
order_caps[0] = 1; /* dest blt */ |
301 |
order_caps[1] = 1; /* pat blt */ |
302 |
order_caps[2] = 1; /* screen blt */ |
303 |
order_caps[8] = 1; /* line */ |
304 |
order_caps[9] = 1; /* line */ |
305 |
order_caps[10] = 1; /* rect */ |
306 |
order_caps[11] = (desktop_save == False ? 0 : 1); /* desksave */ |
307 |
order_caps[13] = 1; /* memblt */ |
308 |
order_caps[14] = 1; /* triblt */ |
309 |
order_caps[22] = 1; /* polyline */ |
310 |
order_caps[27] = 1; /* text2 */ |
311 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
312 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
313 |
|
314 |
out_uint8s(s, 20); /* Terminal desc, pad */ |
315 |
out_uint16_le(s, 1); /* Cache X granularity */ |
316 |
out_uint16_le(s, 20); /* Cache Y granularity */ |
317 |
out_uint16(s, 0); /* Pad */ |
318 |
out_uint16_le(s, 1); /* Max order level */ |
319 |
out_uint16_le(s, 0x147); /* Number of fonts */ |
320 |
out_uint16_le(s, 0x2a); /* Capability flags */ |
321 |
out_uint8p(s, order_caps, 32); /* Orders supported */ |
322 |
out_uint16_le(s, 0x6a1); /* Text capability flags */ |
323 |
out_uint8s(s, 6); /* Pad */ |
324 |
out_uint32(s, desktop_save == False ? 0 : 0x38400); /* Desktop cache size */ |
325 |
out_uint32(s, 0); /* Unknown */ |
326 |
out_uint32(s, 0x4e4); /* Unknown */ |
327 |
} |
328 |
|
329 |
/* Output bitmap cache capability set */ |
330 |
static void |
331 |
rdp_out_bmpcache_caps(STREAM s) |
332 |
{ |
333 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE); |
334 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE); |
335 |
|
336 |
out_uint8s(s, 24); /* unused */ |
337 |
out_uint16_le(s, 0x258); /* entries */ |
338 |
out_uint16_le(s, 0x100); /* max cell size */ |
339 |
out_uint16_le(s, 0x12c); /* entries */ |
340 |
out_uint16_le(s, 0x400); /* max cell size */ |
341 |
out_uint16_le(s, 0x106); /* entries */ |
342 |
out_uint16_le(s, 0x1000); /* max cell size */ |
343 |
} |
344 |
|
345 |
/* Output control capability set */ |
346 |
static void |
347 |
rdp_out_control_caps(STREAM s) |
348 |
{ |
349 |
out_uint16_le(s, RDP_CAPSET_CONTROL); |
350 |
out_uint16_le(s, RDP_CAPLEN_CONTROL); |
351 |
|
352 |
out_uint16(s, 0); /* Control capabilities */ |
353 |
out_uint16(s, 0); /* Remote detach */ |
354 |
out_uint16_le(s, 2); /* Control interest */ |
355 |
out_uint16_le(s, 2); /* Detach interest */ |
356 |
} |
357 |
|
358 |
/* Output activation capability set */ |
359 |
static void |
360 |
rdp_out_activate_caps(STREAM s) |
361 |
{ |
362 |
out_uint16_le(s, RDP_CAPSET_ACTIVATE); |
363 |
out_uint16_le(s, RDP_CAPLEN_ACTIVATE); |
364 |
|
365 |
out_uint16(s, 0); /* Help key */ |
366 |
out_uint16(s, 0); /* Help index key */ |
367 |
out_uint16(s, 0); /* Extended help key */ |
368 |
out_uint16(s, 0); /* Window activate */ |
369 |
} |
370 |
|
371 |
/* Output pointer capability set */ |
372 |
static void |
373 |
rdp_out_pointer_caps(STREAM s) |
374 |
{ |
375 |
out_uint16_le(s, RDP_CAPSET_POINTER); |
376 |
out_uint16_le(s, RDP_CAPLEN_POINTER); |
377 |
|
378 |
out_uint16(s, 0); /* Colour pointer */ |
379 |
out_uint16_le(s, 20); /* Cache size */ |
380 |
} |
381 |
|
382 |
/* Output share capability set */ |
383 |
static void |
384 |
rdp_out_share_caps(STREAM s) |
385 |
{ |
386 |
out_uint16_le(s, RDP_CAPSET_SHARE); |
387 |
out_uint16_le(s, RDP_CAPLEN_SHARE); |
388 |
|
389 |
out_uint16(s, 0); /* userid */ |
390 |
out_uint16(s, 0); /* pad */ |
391 |
} |
392 |
|
393 |
/* Output colour cache capability set */ |
394 |
static void |
395 |
rdp_out_colcache_caps(STREAM s) |
396 |
{ |
397 |
out_uint16_le(s, RDP_CAPSET_COLCACHE); |
398 |
out_uint16_le(s, RDP_CAPLEN_COLCACHE); |
399 |
|
400 |
out_uint16_le(s, 6); /* cache size */ |
401 |
out_uint16(s, 0); /* pad */ |
402 |
} |
403 |
|
404 |
static uint8 canned_caps[] = { |
405 |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x04, |
406 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, |
407 |
0x00, 0x00, 0x00, 0x00, 0x00, |
408 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
409 |
0x00, 0x00, 0x00, 0x00, 0x00, |
410 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
411 |
0x00, 0x00, 0x00, 0x00, 0x00, |
412 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
413 |
0x00, 0x00, 0x00, 0x00, 0x00, |
414 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
415 |
0x0C, 0x00, 0x08, 0x00, 0x01, |
416 |
0x00, 0x00, 0x00, 0x0E, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, |
417 |
0x10, 0x00, 0x34, 0x00, 0xFE, |
418 |
0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x08, 0x00, |
419 |
0xFE, 0x00, 0x08, 0x00, 0xFE, |
420 |
0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, 0xFE, 0x00, 0x40, 0x00, |
421 |
0xFE, 0x00, 0x80, 0x00, 0xFE, |
422 |
0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x01, |
423 |
0x02, 0x00, 0x00, 0x00 |
424 |
}; |
425 |
|
426 |
/* Output unknown capability set */ |
427 |
static void |
428 |
rdp_out_unknown_caps(STREAM s) |
429 |
{ |
430 |
out_uint16_le(s, RDP_CAPSET_UNKNOWN); |
431 |
out_uint16_le(s, 0x58); |
432 |
|
433 |
out_uint8p(s, canned_caps, RDP_CAPLEN_UNKNOWN - 4); |
434 |
} |
435 |
|
436 |
/* Send a confirm active PDU */ |
437 |
static void |
438 |
rdp_send_confirm_active() |
439 |
{ |
440 |
STREAM s; |
441 |
uint16 caplen = |
442 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
443 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
444 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
445 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + RDP_CAPLEN_UNKNOWN |
446 |
+ 4 /* w2k fix, why? */ ; |
447 |
|
448 |
s = rdp_init(14 + caplen + sizeof(RDP_SOURCE)); |
449 |
|
450 |
out_uint32_le(s, rdp_shareid); |
451 |
out_uint16_le(s, 0x3ea); /* userid */ |
452 |
out_uint16_le(s, sizeof(RDP_SOURCE)); |
453 |
out_uint16_le(s, caplen); |
454 |
|
455 |
out_uint8p(s, RDP_SOURCE, sizeof(RDP_SOURCE)); |
456 |
out_uint16_le(s, 0xd); /* num_caps */ |
457 |
out_uint8s(s, 2); /* pad */ |
458 |
|
459 |
rdp_out_general_caps(s); |
460 |
rdp_out_bitmap_caps(s); |
461 |
rdp_out_order_caps(s); |
462 |
rdp_out_bmpcache_caps(s); |
463 |
rdp_out_colcache_caps(s); |
464 |
rdp_out_activate_caps(s); |
465 |
rdp_out_control_caps(s); |
466 |
rdp_out_pointer_caps(s); |
467 |
rdp_out_share_caps(s); |
468 |
rdp_out_unknown_caps(s); |
469 |
|
470 |
s_mark_end(s); |
471 |
rdp_send(s, RDP_PDU_CONFIRM_ACTIVE); |
472 |
} |
473 |
|
474 |
/* Respond to a demand active PDU */ |
475 |
static void |
476 |
process_demand_active(STREAM s) |
477 |
{ |
478 |
uint8 type; |
479 |
|
480 |
in_uint32_le(s, rdp_shareid); |
481 |
|
482 |
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", rdp_shareid)); |
483 |
|
484 |
rdp_send_confirm_active(); |
485 |
rdp_send_synchronise(); |
486 |
rdp_send_control(RDP_CTL_COOPERATE); |
487 |
rdp_send_control(RDP_CTL_REQUEST_CONTROL); |
488 |
rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ |
489 |
rdp_recv(&type); /* RDP_CTL_COOPERATE */ |
490 |
rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ |
491 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, 0, 0); |
492 |
rdp_send_fonts(1); |
493 |
rdp_send_fonts(2); |
494 |
rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 */ |
495 |
reset_order_state(); |
496 |
} |
497 |
|
498 |
/* Process a pointer PDU */ |
499 |
static void |
500 |
process_pointer_pdu(STREAM s) |
501 |
{ |
502 |
uint16 message_type; |
503 |
uint16 x, y, width, height, cache_idx, masklen, datalen; |
504 |
uint8 *mask, *data; |
505 |
HCURSOR cursor; |
506 |
|
507 |
in_uint16_le(s, message_type); |
508 |
in_uint8s(s, 2); /* pad */ |
509 |
|
510 |
switch (message_type) |
511 |
{ |
512 |
case RDP_POINTER_MOVE: |
513 |
in_uint16_le(s, x); |
514 |
in_uint16_le(s, y); |
515 |
if (s_check(s)) |
516 |
ui_move_pointer(x, y); |
517 |
break; |
518 |
|
519 |
case RDP_POINTER_COLOR: |
520 |
in_uint16_le(s, cache_idx); |
521 |
in_uint16_le(s, x); |
522 |
in_uint16_le(s, y); |
523 |
in_uint16_le(s, width); |
524 |
in_uint16_le(s, height); |
525 |
in_uint16_le(s, masklen); |
526 |
in_uint16_le(s, datalen); |
527 |
in_uint8p(s, data, datalen); |
528 |
in_uint8p(s, mask, masklen); |
529 |
cursor = ui_create_cursor(x, y, width, height, mask, |
530 |
data); |
531 |
ui_set_cursor(cursor); |
532 |
cache_put_cursor(cache_idx, cursor); |
533 |
break; |
534 |
|
535 |
case RDP_POINTER_CACHED: |
536 |
in_uint16_le(s, cache_idx); |
537 |
ui_set_cursor(cache_get_cursor(cache_idx)); |
538 |
break; |
539 |
|
540 |
default: |
541 |
DEBUG(("Pointer message 0x%x\n", message_type)); |
542 |
} |
543 |
} |
544 |
|
545 |
/* Process bitmap updates */ |
546 |
static void |
547 |
process_bitmap_updates(STREAM s) |
548 |
{ |
549 |
uint16 num_updates; |
550 |
uint16 left, top, right, bottom, width, height; |
551 |
uint16 cx, cy, bpp, compress, bufsize, size; |
552 |
uint8 *data, *bmpdata; |
553 |
int i; |
554 |
|
555 |
in_uint16_le(s, num_updates); |
556 |
|
557 |
for (i = 0; i < num_updates; i++) |
558 |
{ |
559 |
in_uint16_le(s, left); |
560 |
in_uint16_le(s, top); |
561 |
in_uint16_le(s, right); |
562 |
in_uint16_le(s, bottom); |
563 |
in_uint16_le(s, width); |
564 |
in_uint16_le(s, height); |
565 |
in_uint16_le(s, bpp); |
566 |
in_uint16_le(s, compress); |
567 |
in_uint16_le(s, bufsize); |
568 |
|
569 |
cx = right - left + 1; |
570 |
cy = bottom - top + 1; |
571 |
|
572 |
DEBUG(("UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,cmp=%d)\n", |
573 |
left, top, right, bottom, width, height, compress)); |
574 |
|
575 |
if (!compress) |
576 |
{ |
577 |
int y; |
578 |
bmpdata = xmalloc(width * height); |
579 |
for (y = 0; y < height; y++) |
580 |
{ |
581 |
in_uint8a(s, |
582 |
&bmpdata[(height - y - 1) * width], |
583 |
width); |
584 |
} |
585 |
ui_paint_bitmap(left, top, cx, cy, width, height, |
586 |
bmpdata); |
587 |
xfree(bmpdata); |
588 |
continue; |
589 |
} |
590 |
|
591 |
in_uint8s(s, 2); /* pad */ |
592 |
in_uint16_le(s, size); |
593 |
in_uint8s(s, 4); /* line_size, final_size */ |
594 |
in_uint8p(s, data, size); |
595 |
|
596 |
bmpdata = xmalloc(width * height); |
597 |
if (bitmap_decompress(bmpdata, width, height, data, size)) |
598 |
{ |
599 |
ui_paint_bitmap(left, top, cx, cy, width, height, |
600 |
bmpdata); |
601 |
} |
602 |
|
603 |
xfree(bmpdata); |
604 |
} |
605 |
} |
606 |
|
607 |
/* Process a palette update */ |
608 |
static void |
609 |
process_palette(STREAM s) |
610 |
{ |
611 |
HCOLOURMAP hmap; |
612 |
COLOURMAP map; |
613 |
uint8 *colours; |
614 |
|
615 |
in_uint8s(s, 2); /* pad */ |
616 |
in_uint16_le(s, map.ncolours); |
617 |
in_uint8s(s, 2); /* pad */ |
618 |
in_uint8p(s, colours, (map.ncolours * 3)); |
619 |
map.colours = (COLOURENTRY *) colours; |
620 |
|
621 |
hmap = ui_create_colourmap(&map); |
622 |
ui_set_colourmap(hmap); |
623 |
} |
624 |
|
625 |
/* Process an update PDU */ |
626 |
static void |
627 |
process_update_pdu(STREAM s) |
628 |
{ |
629 |
uint16 update_type; |
630 |
|
631 |
in_uint16_le(s, update_type); |
632 |
|
633 |
switch (update_type) |
634 |
{ |
635 |
case RDP_UPDATE_ORDERS: |
636 |
process_orders(s); |
637 |
break; |
638 |
|
639 |
case RDP_UPDATE_BITMAP: |
640 |
process_bitmap_updates(s); |
641 |
break; |
642 |
|
643 |
case RDP_UPDATE_PALETTE: |
644 |
process_palette(s); |
645 |
break; |
646 |
|
647 |
case RDP_UPDATE_SYNCHRONIZE: |
648 |
break; |
649 |
|
650 |
default: |
651 |
unimpl("update %d\n", update_type); |
652 |
} |
653 |
|
654 |
} |
655 |
|
656 |
/* Process data PDU */ |
657 |
static void |
658 |
process_data_pdu(STREAM s) |
659 |
{ |
660 |
uint8 data_pdu_type; |
661 |
|
662 |
in_uint8s(s, 8); /* shareid, pad, streamid, length */ |
663 |
in_uint8(s, data_pdu_type); |
664 |
in_uint8s(s, 3); /* compress_type, compress_len */ |
665 |
|
666 |
switch (data_pdu_type) |
667 |
{ |
668 |
case RDP_DATA_PDU_UPDATE: |
669 |
process_update_pdu(s); |
670 |
break; |
671 |
|
672 |
case RDP_DATA_PDU_POINTER: |
673 |
process_pointer_pdu(s); |
674 |
break; |
675 |
|
676 |
case RDP_DATA_PDU_BELL: |
677 |
ui_bell(); |
678 |
break; |
679 |
|
680 |
case RDP_DATA_PDU_LOGON: |
681 |
/* User logged on */ |
682 |
break; |
683 |
|
684 |
default: |
685 |
unimpl("data PDU %d\n", data_pdu_type); |
686 |
} |
687 |
} |
688 |
|
689 |
/* Process incoming packets */ |
690 |
void |
691 |
rdp_main_loop() |
692 |
{ |
693 |
uint8 type; |
694 |
STREAM s; |
695 |
|
696 |
while ((s = rdp_recv(&type)) != NULL) |
697 |
{ |
698 |
switch (type) |
699 |
{ |
700 |
case RDP_PDU_DEMAND_ACTIVE: |
701 |
process_demand_active(s); |
702 |
break; |
703 |
|
704 |
case RDP_PDU_DEACTIVATE: |
705 |
break; |
706 |
|
707 |
case RDP_PDU_DATA: |
708 |
process_data_pdu(s); |
709 |
break; |
710 |
|
711 |
default: |
712 |
unimpl("PDU %d\n", type); |
713 |
} |
714 |
} |
715 |
} |
716 |
|
717 |
/* Establish a connection up to the RDP layer */ |
718 |
BOOL |
719 |
rdp_connect(char *server, uint32 flags, char *domain, char *password, |
720 |
char *command, char *directory) |
721 |
{ |
722 |
if (!sec_connect(server)) |
723 |
return False; |
724 |
|
725 |
rdp_send_logon_info(flags, domain, username, password, |
726 |
command, directory); |
727 |
return True; |
728 |
} |
729 |
|
730 |
/* Disconnect from the RDP layer */ |
731 |
void |
732 |
rdp_disconnect() |
733 |
{ |
734 |
sec_disconnect(); |
735 |
} |