/[rdesktop]/sourceforge.net/trunk/rdesktop/orders.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /sourceforge.net/trunk/rdesktop/orders.c

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Revision 82 - (show annotations)
Tue Jul 30 07:18:48 2002 UTC (21 years, 9 months ago) by astrand
File MIME type: text/plain
File size: 19569 byte(s)
Changed max line length to 100

1 /*
2 rdesktop: A Remote Desktop Protocol client.
3 RDP order processing
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 #include "orders.h"
23
24 extern uint8 *next_packet;
25 static RDP_ORDER_STATE order_state;
26
27 /* Read field indicating which parameters are present */
28 static void
29 rdp_in_present(STREAM s, uint32 * present, uint8 flags, int size)
30 {
31 uint8 bits;
32 int i;
33
34 if (flags & RDP_ORDER_SMALL)
35 {
36 size--;
37 }
38
39 if (flags & RDP_ORDER_TINY)
40 {
41 if (size < 2)
42 size = 0;
43 else
44 size -= 2;
45 }
46
47 *present = 0;
48 for (i = 0; i < size; i++)
49 {
50 in_uint8(s, bits);
51 *present |= bits << (i * 8);
52 }
53 }
54
55 /* Read a co-ordinate (16-bit, or 8-bit delta) */
56 static void
57 rdp_in_coord(STREAM s, uint16 * coord, BOOL delta)
58 {
59 uint8 change;
60
61 if (delta)
62 {
63 in_uint8(s, change);
64 *coord += (signed char) change;
65 }
66 else
67 {
68 in_uint16_le(s, *coord);
69 }
70 }
71
72 /* Read a colour entry */
73 static void
74 rdp_in_colour(STREAM s, uint8 * colour)
75 {
76 in_uint8(s, *colour);
77 s->p += 2;
78 }
79
80 /* Parse bounds information */
81 static BOOL
82 rdp_parse_bounds(STREAM s, BOUNDS * bounds)
83 {
84 uint8 present;
85
86 in_uint8(s, present);
87
88 if (present & 1)
89 rdp_in_coord(s, &bounds->left, False);
90 else if (present & 16)
91 rdp_in_coord(s, &bounds->left, True);
92
93 if (present & 2)
94 rdp_in_coord(s, &bounds->top, False);
95 else if (present & 32)
96 rdp_in_coord(s, &bounds->top, True);
97
98 if (present & 4)
99 rdp_in_coord(s, &bounds->right, False);
100 else if (present & 64)
101 rdp_in_coord(s, &bounds->right, True);
102
103 if (present & 8)
104 rdp_in_coord(s, &bounds->bottom, False);
105 else if (present & 128)
106 rdp_in_coord(s, &bounds->bottom, True);
107
108 return s_check(s);
109 }
110
111 /* Parse a pen */
112 static BOOL
113 rdp_parse_pen(STREAM s, PEN * pen, uint32 present)
114 {
115 if (present & 1)
116 in_uint8(s, pen->style);
117
118 if (present & 2)
119 in_uint8(s, pen->width);
120
121 if (present & 4)
122 rdp_in_colour(s, &pen->colour);
123
124 return s_check(s);
125 }
126
127 /* Parse a brush */
128 static BOOL
129 rdp_parse_brush(STREAM s, BRUSH * brush, uint32 present)
130 {
131 if (present & 1)
132 in_uint8(s, brush->xorigin);
133
134 if (present & 2)
135 in_uint8(s, brush->yorigin);
136
137 if (present & 4)
138 in_uint8(s, brush->style);
139
140 if (present & 8)
141 in_uint8(s, brush->pattern[0]);
142
143 if (present & 16)
144 in_uint8a(s, &brush->pattern[1], 7);
145
146 return s_check(s);
147 }
148
149 /* Process a destination blt order */
150 static void
151 process_destblt(STREAM s, DESTBLT_ORDER * os, uint32 present, BOOL delta)
152 {
153 if (present & 0x01)
154 rdp_in_coord(s, &os->x, delta);
155
156 if (present & 0x02)
157 rdp_in_coord(s, &os->y, delta);
158
159 if (present & 0x04)
160 rdp_in_coord(s, &os->cx, delta);
161
162 if (present & 0x08)
163 rdp_in_coord(s, &os->cy, delta);
164
165 if (present & 0x10)
166 in_uint8(s, os->opcode);
167
168 DEBUG(("DESTBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d)\n",
169 os->opcode, os->x, os->y, os->cx, os->cy));
170
171 ui_destblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy);
172 }
173
174 /* Process a pattern blt order */
175 static void
176 process_patblt(STREAM s, PATBLT_ORDER * os, uint32 present, BOOL delta)
177 {
178 if (present & 0x0001)
179 rdp_in_coord(s, &os->x, delta);
180
181 if (present & 0x0002)
182 rdp_in_coord(s, &os->y, delta);
183
184 if (present & 0x0004)
185 rdp_in_coord(s, &os->cx, delta);
186
187 if (present & 0x0008)
188 rdp_in_coord(s, &os->cy, delta);
189
190 if (present & 0x0010)
191 in_uint8(s, os->opcode);
192
193 if (present & 0x0020)
194 rdp_in_colour(s, &os->bgcolour);
195
196 if (present & 0x0040)
197 rdp_in_colour(s, &os->fgcolour);
198
199 rdp_parse_brush(s, &os->brush, present >> 7);
200
201 DEBUG(("PATBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,bs=%d,bg=0x%x,fg=0x%x)\n", os->opcode, os->x,
202 os->y, os->cx, os->cy, os->brush.style, os->bgcolour, os->fgcolour));
203
204 ui_patblt(ROP2_P(os->opcode), os->x, os->y, os->cx, os->cy,
205 &os->brush, os->bgcolour, os->fgcolour);
206 }
207
208 /* Process a screen blt order */
209 static void
210 process_screenblt(STREAM s, SCREENBLT_ORDER * os, uint32 present, BOOL delta)
211 {
212 if (present & 0x0001)
213 rdp_in_coord(s, &os->x, delta);
214
215 if (present & 0x0002)
216 rdp_in_coord(s, &os->y, delta);
217
218 if (present & 0x0004)
219 rdp_in_coord(s, &os->cx, delta);
220
221 if (present & 0x0008)
222 rdp_in_coord(s, &os->cy, delta);
223
224 if (present & 0x0010)
225 in_uint8(s, os->opcode);
226
227 if (present & 0x0020)
228 rdp_in_coord(s, &os->srcx, delta);
229
230 if (present & 0x0040)
231 rdp_in_coord(s, &os->srcy, delta);
232
233 DEBUG(("SCREENBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,srcx=%d,srcy=%d)\n",
234 os->opcode, os->x, os->y, os->cx, os->cy, os->srcx, os->srcy));
235
236 ui_screenblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, os->srcx, os->srcy);
237 }
238
239 /* Process a line order */
240 static void
241 process_line(STREAM s, LINE_ORDER * os, uint32 present, BOOL delta)
242 {
243 if (present & 0x0001)
244 in_uint16_le(s, os->mixmode);
245
246 if (present & 0x0002)
247 rdp_in_coord(s, &os->startx, delta);
248
249 if (present & 0x0004)
250 rdp_in_coord(s, &os->starty, delta);
251
252 if (present & 0x0008)
253 rdp_in_coord(s, &os->endx, delta);
254
255 if (present & 0x0010)
256 rdp_in_coord(s, &os->endy, delta);
257
258 if (present & 0x0020)
259 rdp_in_colour(s, &os->bgcolour);
260
261 if (present & 0x0040)
262 in_uint8(s, os->opcode);
263
264 rdp_parse_pen(s, &os->pen, present >> 7);
265
266 DEBUG(("LINE(op=0x%x,sx=%d,sy=%d,dx=%d,dx=%d,fg=0x%x)\n",
267 os->opcode, os->startx, os->starty, os->endx, os->endy, os->pen.colour));
268
269 if (os->opcode < 0x01 || os->opcode > 0x10)
270 {
271 error("bad ROP2 0x%x\n", os->opcode);
272 return;
273 }
274
275 ui_line(os->opcode - 1, os->startx, os->starty, os->endx, os->endy, &os->pen);
276 }
277
278 /* Process an opaque rectangle order */
279 static void
280 process_rect(STREAM s, RECT_ORDER * os, uint32 present, BOOL delta)
281 {
282 if (present & 0x01)
283 rdp_in_coord(s, &os->x, delta);
284
285 if (present & 0x02)
286 rdp_in_coord(s, &os->y, delta);
287
288 if (present & 0x04)
289 rdp_in_coord(s, &os->cx, delta);
290
291 if (present & 0x08)
292 rdp_in_coord(s, &os->cy, delta);
293
294 if (present & 0x10)
295 in_uint8(s, os->colour);
296
297 DEBUG(("RECT(x=%d,y=%d,cx=%d,cy=%d,fg=0x%x)\n", os->x, os->y, os->cx, os->cy, os->colour));
298
299 ui_rect(os->x, os->y, os->cx, os->cy, os->colour);
300 }
301
302 /* Process a desktop save order */
303 static void
304 process_desksave(STREAM s, DESKSAVE_ORDER * os, uint32 present, BOOL delta)
305 {
306 int width, height;
307
308 if (present & 0x01)
309 in_uint32_le(s, os->offset);
310
311 if (present & 0x02)
312 rdp_in_coord(s, &os->left, delta);
313
314 if (present & 0x04)
315 rdp_in_coord(s, &os->top, delta);
316
317 if (present & 0x08)
318 rdp_in_coord(s, &os->right, delta);
319
320 if (present & 0x10)
321 rdp_in_coord(s, &os->bottom, delta);
322
323 if (present & 0x20)
324 in_uint8(s, os->action);
325
326 DEBUG(("DESKSAVE(l=%d,t=%d,r=%d,b=%d,off=%d,op=%d)\n",
327 os->left, os->top, os->right, os->bottom, os->offset, os->action));
328
329 width = os->right - os->left + 1;
330 height = os->bottom - os->top + 1;
331
332 if (os->action == 0)
333 ui_desktop_save(os->offset, os->left, os->top, width, height);
334 else
335 ui_desktop_restore(os->offset, os->left, os->top, width, height);
336 }
337
338 /* Process a memory blt order */
339 static void
340 process_memblt(STREAM s, MEMBLT_ORDER * os, uint32 present, BOOL delta)
341 {
342 HBITMAP bitmap;
343
344 if (present & 0x0001)
345 {
346 in_uint8(s, os->cache_id);
347 in_uint8(s, os->colour_table);
348 }
349
350 if (present & 0x0002)
351 rdp_in_coord(s, &os->x, delta);
352
353 if (present & 0x0004)
354 rdp_in_coord(s, &os->y, delta);
355
356 if (present & 0x0008)
357 rdp_in_coord(s, &os->cx, delta);
358
359 if (present & 0x0010)
360 rdp_in_coord(s, &os->cy, delta);
361
362 if (present & 0x0020)
363 in_uint8(s, os->opcode);
364
365 if (present & 0x0040)
366 rdp_in_coord(s, &os->srcx, delta);
367
368 if (present & 0x0080)
369 rdp_in_coord(s, &os->srcy, delta);
370
371 if (present & 0x0100)
372 in_uint16_le(s, os->cache_idx);
373
374 DEBUG(("MEMBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,id=%d,idx=%d)\n",
375 os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, os->cache_idx));
376
377 bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
378 if (bitmap == NULL)
379 return;
380
381 ui_memblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, bitmap, os->srcx, os->srcy);
382 }
383
384 /* Process a 3-way blt order */
385 static void
386 process_triblt(STREAM s, TRIBLT_ORDER * os, uint32 present, BOOL delta)
387 {
388 HBITMAP bitmap;
389
390 if (present & 0x000001)
391 {
392 in_uint8(s, os->cache_id);
393 in_uint8(s, os->colour_table);
394 }
395
396 if (present & 0x000002)
397 rdp_in_coord(s, &os->x, delta);
398
399 if (present & 0x000004)
400 rdp_in_coord(s, &os->y, delta);
401
402 if (present & 0x000008)
403 rdp_in_coord(s, &os->cx, delta);
404
405 if (present & 0x000010)
406 rdp_in_coord(s, &os->cy, delta);
407
408 if (present & 0x000020)
409 in_uint8(s, os->opcode);
410
411 if (present & 0x000040)
412 rdp_in_coord(s, &os->srcx, delta);
413
414 if (present & 0x000080)
415 rdp_in_coord(s, &os->srcy, delta);
416
417 if (present & 0x000100)
418 rdp_in_colour(s, &os->bgcolour);
419
420 if (present & 0x000200)
421 rdp_in_colour(s, &os->fgcolour);
422
423 rdp_parse_brush(s, &os->brush, present >> 10);
424
425 if (present & 0x008000)
426 in_uint16_le(s, os->cache_idx);
427
428 if (present & 0x010000)
429 in_uint16_le(s, os->unknown);
430
431 DEBUG(("TRIBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,id=%d,idx=%d,bs=%d,bg=0x%x,fg=0x%x)\n",
432 os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, os->cache_idx,
433 os->brush.style, os->bgcolour, os->fgcolour));
434
435 bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
436 if (bitmap == NULL)
437 return;
438
439 ui_triblt(os->opcode, os->x, os->y, os->cx, os->cy,
440 bitmap, os->srcx, os->srcy, &os->brush, os->bgcolour, os->fgcolour);
441 }
442
443 /* Parse a delta co-ordinate in polyline order form */
444 static int
445 parse_delta(uint8 * buffer, int *offset)
446 {
447 int value = buffer[(*offset)++];
448 int two_byte = value & 0x80;
449
450 if (value & 0x40) /* sign bit */
451 value |= ~0x3f;
452 else
453 value &= 0x3f;
454
455 if (two_byte)
456 value = (value << 8) | buffer[(*offset)++];
457
458 return value;
459 }
460
461 /* Process a polyline order */
462 static void
463 process_polyline(STREAM s, POLYLINE_ORDER * os, uint32 present, BOOL delta)
464 {
465 int index, line, data;
466 int x, y, xfrom, yfrom;
467 uint8 flags = 0;
468 PEN pen;
469 uint8 opcode;
470
471 if (present & 0x01)
472 rdp_in_coord(s, &os->x, delta);
473
474 if (present & 0x02)
475 rdp_in_coord(s, &os->y, delta);
476
477 if (present & 0x04)
478 in_uint8(s, os->flags);
479
480 if (present & 0x10)
481 rdp_in_colour(s, &os->fgcolour);
482
483 if (present & 0x20)
484 in_uint8(s, os->lines);
485
486 if (present & 0x40)
487 {
488 in_uint8(s, os->datasize);
489 in_uint8a(s, os->data, os->datasize);
490 }
491 if (os->flags & 1)
492 opcode = ROP2_COPY;
493 else
494 opcode = ROP2_NXOR;
495
496 DEBUG(("POLYLINE(x=%d,y=%d,fl=0x%x,fg=0x%x,n=%d,sz=%d)\n",
497 os->x, os->y, os->flags, os->fgcolour, os->lines, os->datasize));
498
499 DEBUG(("Data: "));
500
501 for (index = 0; index < os->datasize; index++)
502 DEBUG(("%02x ", os->data[index]));
503
504 DEBUG(("\n"));
505
506 x = os->x;
507 y = os->y;
508 pen.style = pen.width = 0;
509 pen.colour = os->fgcolour;
510
511 index = 0;
512 data = ((os->lines - 1) / 4) + 1;
513 for (line = 0; (line < os->lines) && (data < os->datasize); line++)
514 {
515 xfrom = x;
516 yfrom = y;
517
518 if (line % 4 == 0)
519 flags = os->data[index++];
520
521 if ((flags & 0xc0) == 0)
522 flags |= 0xc0; /* none = both */
523
524 if (flags & 0x40)
525 x += parse_delta(os->data, &data);
526
527 if (flags & 0x80)
528 y += parse_delta(os->data, &data);
529
530 ui_line(opcode, xfrom, yfrom, x, y, &pen);
531
532 flags <<= 2;
533 }
534 }
535
536 /* Process a text order */
537 static void
538 process_text2(STREAM s, TEXT2_ORDER * os, uint32 present, BOOL delta)
539 {
540 int i;
541
542 if (present & 0x000001)
543 in_uint8(s, os->font);
544
545 if (present & 0x000002)
546 in_uint8(s, os->flags);
547
548 if (present & 0x000004)
549 in_uint8(s, os->unknown);
550
551 if (present & 0x000008)
552 in_uint8(s, os->mixmode);
553
554 if (present & 0x000010)
555 rdp_in_colour(s, &os->fgcolour);
556
557 if (present & 0x000020)
558 rdp_in_colour(s, &os->bgcolour);
559
560 if (present & 0x000040)
561 in_uint16_le(s, os->clipleft);
562
563 if (present & 0x000080)
564 in_uint16_le(s, os->cliptop);
565
566 if (present & 0x000100)
567 in_uint16_le(s, os->clipright);
568
569 if (present & 0x000200)
570 in_uint16_le(s, os->clipbottom);
571
572 if (present & 0x000400)
573 in_uint16_le(s, os->boxleft);
574
575 if (present & 0x000800)
576 in_uint16_le(s, os->boxtop);
577
578 if (present & 0x001000)
579 in_uint16_le(s, os->boxright);
580
581 if (present & 0x002000)
582 in_uint16_le(s, os->boxbottom);
583
584 if (present & 0x080000)
585 in_uint16_le(s, os->x);
586
587 if (present & 0x100000)
588 in_uint16_le(s, os->y);
589
590 if (present & 0x200000)
591 {
592 in_uint8(s, os->length);
593 in_uint8a(s, os->text, os->length);
594 }
595
596 DEBUG(("TEXT2(x=%d,y=%d,cl=%d,ct=%d,cr=%d,cb=%d,bl=%d,bt=%d,bb=%d,br=%d,fg=0x%x,bg=0x%x,font=%d,fl=0x%x,mix=%d,unk=0x%x,n=%d)\n", os->x, os->y, os->clipleft, os->cliptop, os->clipright, os->clipbottom, os->boxleft, os->boxtop, os->boxright, os->boxbottom, os->fgcolour, os->bgcolour, os->font, os->flags, os->mixmode, os->unknown, os->length));
597
598 DEBUG(("Text: "));
599
600 for (i = 0; i < os->length; i++)
601 DEBUG(("%02x ", os->text[i]));
602
603 DEBUG(("\n"));
604
605 ui_draw_text(os->font, os->flags, os->mixmode, os->x, os->y,
606 os->clipleft, os->cliptop,
607 os->clipright - os->clipleft,
608 os->clipbottom - os->cliptop,
609 os->boxleft, os->boxtop,
610 os->boxright - os->boxleft,
611 os->boxbottom - os->boxtop, os->bgcolour, os->fgcolour, os->text, os->length);
612 }
613
614 /* Process a raw bitmap cache order */
615 static void
616 process_raw_bmpcache(STREAM s)
617 {
618 HBITMAP bitmap;
619 uint16 cache_idx, bufsize;
620 uint8 cache_id, width, height, bpp;
621 uint8 *data, *inverted;
622 int y;
623
624 in_uint8(s, cache_id);
625 in_uint8s(s, 1); /* pad */
626 in_uint8(s, width);
627 in_uint8(s, height);
628 in_uint8(s, bpp);
629 in_uint16_le(s, bufsize);
630 in_uint16_le(s, cache_idx);
631 in_uint8p(s, data, bufsize);
632
633 DEBUG(("RAW_BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx));
634 inverted = xmalloc(width * height);
635 for (y = 0; y < height; y++)
636 {
637 memcpy(&inverted[(height - y - 1) * width], &data[y * width], width);
638 }
639
640 bitmap = ui_create_bitmap(width, height, inverted);
641 xfree(inverted);
642 cache_put_bitmap(cache_id, cache_idx, bitmap);
643 }
644
645 /* Process a bitmap cache order */
646 static void
647 process_bmpcache(STREAM s)
648 {
649 HBITMAP bitmap;
650 uint16 cache_idx, size;
651 uint8 cache_id, width, height, bpp;
652 uint8 *data, *bmpdata;
653
654 in_uint8(s, cache_id);
655 in_uint8s(s, 1); /* pad */
656 in_uint8(s, width);
657 in_uint8(s, height);
658 in_uint8(s, bpp);
659 in_uint8s(s, 2); /* bufsize */
660 in_uint16_le(s, cache_idx);
661 in_uint8s(s, 2); /* pad */
662 in_uint16_le(s, size);
663 in_uint8s(s, 4); /* row_size, final_size */
664 in_uint8p(s, data, size);
665
666 DEBUG(("BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx));
667
668 bmpdata = xmalloc(width * height);
669
670 if (bitmap_decompress(bmpdata, width, height, data, size))
671 {
672 bitmap = ui_create_bitmap(width, height, bmpdata);
673 cache_put_bitmap(cache_id, cache_idx, bitmap);
674 }
675
676 xfree(bmpdata);
677 }
678
679 /* Process a colourmap cache order */
680 static void
681 process_colcache(STREAM s)
682 {
683 COLOURENTRY *entry;
684 COLOURMAP map;
685 HCOLOURMAP hmap;
686 uint8 cache_id;
687 int i;
688
689 in_uint8(s, cache_id);
690 in_uint16_le(s, map.ncolours);
691
692 map.colours = xmalloc(3 * map.ncolours);
693
694 for (i = 0; i < map.ncolours; i++)
695 {
696 entry = &map.colours[i];
697 in_uint8(s, entry->blue);
698 in_uint8(s, entry->green);
699 in_uint8(s, entry->red);
700 in_uint8s(s, 1); /* pad */
701 }
702
703 DEBUG(("COLCACHE(id=%d,n=%d)\n", cache_id, map.ncolours));
704
705 hmap = ui_create_colourmap(&map);
706 ui_set_colourmap(hmap);
707
708 xfree(map.colours);
709 }
710
711 /* Process a font cache order */
712 static void
713 process_fontcache(STREAM s)
714 {
715 HGLYPH bitmap;
716 uint8 font, nglyphs;
717 uint16 character, offset, baseline, width, height;
718 int i, datasize;
719 uint8 *data;
720
721 in_uint8(s, font);
722 in_uint8(s, nglyphs);
723
724 DEBUG(("FONTCACHE(font=%d,n=%d)\n", font, nglyphs));
725
726 for (i = 0; i < nglyphs; i++)
727 {
728 in_uint16_le(s, character);
729 in_uint16_le(s, offset);
730 in_uint16_le(s, baseline);
731 in_uint16_le(s, width);
732 in_uint16_le(s, height);
733
734 datasize = (height * ((width + 7) / 8) + 3) & ~3;
735 in_uint8p(s, data, datasize);
736
737 bitmap = ui_create_glyph(width, height, data);
738 cache_put_font(font, character, offset, baseline, width, height, bitmap);
739 }
740 }
741
742 /* Process a secondary order */
743 static void
744 process_secondary_order(STREAM s)
745 {
746 uint16 length;
747 uint8 type;
748 uint8 *next_order;
749
750 in_uint16_le(s, length);
751 in_uint8s(s, 2); /* flags */
752 in_uint8(s, type);
753
754 next_order = s->p + length + 7;
755
756 switch (type)
757 {
758 case RDP_ORDER_RAW_BMPCACHE:
759 process_raw_bmpcache(s);
760 break;
761
762 case RDP_ORDER_COLCACHE:
763 process_colcache(s);
764 break;
765
766 case RDP_ORDER_BMPCACHE:
767 process_bmpcache(s);
768 break;
769
770 case RDP_ORDER_FONTCACHE:
771 process_fontcache(s);
772 break;
773
774 default:
775 unimpl("secondary order %d\n", type);
776 }
777
778 s->p = next_order;
779 }
780
781 /* Process an order PDU */
782 void
783 process_orders(STREAM s)
784 {
785 RDP_ORDER_STATE *os = &order_state;
786 uint32 present;
787 uint16 num_orders;
788 uint8 order_flags;
789 int size, processed = 0;
790 BOOL delta;
791
792 in_uint8s(s, 2); /* pad */
793 in_uint16_le(s, num_orders);
794 in_uint8s(s, 2); /* pad */
795
796 while (processed < num_orders)
797 {
798 in_uint8(s, order_flags);
799
800 if (!(order_flags & RDP_ORDER_STANDARD))
801 {
802 error("order parsing failed\n");
803 break;
804 }
805
806 if (order_flags & RDP_ORDER_SECONDARY)
807 {
808 process_secondary_order(s);
809 }
810 else
811 {
812 if (order_flags & RDP_ORDER_CHANGE)
813 {
814 in_uint8(s, os->order_type);
815 }
816
817 switch (os->order_type)
818 {
819 case RDP_ORDER_TRIBLT:
820 case RDP_ORDER_TEXT2:
821 size = 3;
822 break;
823
824 case RDP_ORDER_PATBLT:
825 case RDP_ORDER_MEMBLT:
826 case RDP_ORDER_LINE:
827 size = 2;
828 break;
829
830 default:
831 size = 1;
832 }
833
834 rdp_in_present(s, &present, order_flags, size);
835
836 if (order_flags & RDP_ORDER_BOUNDS)
837 {
838 if (!(order_flags & RDP_ORDER_LASTBOUNDS))
839 rdp_parse_bounds(s, &os->bounds);
840
841 ui_set_clip(os->bounds.left,
842 os->bounds.top,
843 os->bounds.right -
844 os->bounds.left + 1,
845 os->bounds.bottom - os->bounds.top + 1);
846 }
847
848 delta = order_flags & RDP_ORDER_DELTA;
849
850 switch (os->order_type)
851 {
852 case RDP_ORDER_DESTBLT:
853 process_destblt(s, &os->destblt, present, delta);
854 break;
855
856 case RDP_ORDER_PATBLT:
857 process_patblt(s, &os->patblt, present, delta);
858 break;
859
860 case RDP_ORDER_SCREENBLT:
861 process_screenblt(s, &os->screenblt, present, delta);
862 break;
863
864 case RDP_ORDER_LINE:
865 process_line(s, &os->line, present, delta);
866 break;
867
868 case RDP_ORDER_RECT:
869 process_rect(s, &os->rect, present, delta);
870 break;
871
872 case RDP_ORDER_DESKSAVE:
873 process_desksave(s, &os->desksave, present, delta);
874 break;
875
876 case RDP_ORDER_MEMBLT:
877 process_memblt(s, &os->memblt, present, delta);
878 break;
879
880 case RDP_ORDER_TRIBLT:
881 process_triblt(s, &os->triblt, present, delta);
882 break;
883
884 case RDP_ORDER_POLYLINE:
885 process_polyline(s, &os->polyline, present, delta);
886 break;
887
888 case RDP_ORDER_TEXT2:
889 process_text2(s, &os->text2, present, delta);
890 break;
891
892 default:
893 unimpl("order %d\n", os->order_type);
894 return;
895 }
896
897 if (order_flags & RDP_ORDER_BOUNDS)
898 ui_reset_clip();
899 }
900
901 processed++;
902 }
903
904 if (s->p != next_packet)
905 error("%d bytes remaining\n", (int) (next_packet - s->p));
906 }
907
908 /* Reset order state */
909 void
910 reset_order_state()
911 {
912 memset(&order_state, 0, sizeof(order_state));
913 order_state.order_type = RDP_ORDER_PATBLT;
914 }

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