| 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 += (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) |
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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 |
|
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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", |
| 202 |
os->opcode, os->x, os->y, os->cx, os->cy, |
| 203 |
os->brush.style, os->bgcolour, os->fgcolour)); |
| 204 |
|
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ui_patblt(ROP2_P(os->opcode), os->x, os->y, os->cx, os->cy, |
| 206 |
&os->brush, os->bgcolour, os->fgcolour); |
| 207 |
} |
| 208 |
|
| 209 |
/* Process a screen blt order */ |
| 210 |
static void |
| 211 |
process_screenblt(STREAM s, SCREENBLT_ORDER *os, uint32 present, BOOL delta) |
| 212 |
{ |
| 213 |
if (present & 0x0001) |
| 214 |
rdp_in_coord(s, &os->x, delta); |
| 215 |
|
| 216 |
if (present & 0x0002) |
| 217 |
rdp_in_coord(s, &os->y, delta); |
| 218 |
|
| 219 |
if (present & 0x0004) |
| 220 |
rdp_in_coord(s, &os->cx, delta); |
| 221 |
|
| 222 |
if (present & 0x0008) |
| 223 |
rdp_in_coord(s, &os->cy, delta); |
| 224 |
|
| 225 |
if (present & 0x0010) |
| 226 |
in_uint8(s, os->opcode); |
| 227 |
|
| 228 |
if (present & 0x0020) |
| 229 |
rdp_in_coord(s, &os->srcx, delta); |
| 230 |
|
| 231 |
if (present & 0x0040) |
| 232 |
rdp_in_coord(s, &os->srcy, delta); |
| 233 |
|
| 234 |
DEBUG(("SCREENBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,srcx=%d,srcy=%d)\n", |
| 235 |
os->opcode, os->x, os->y, os->cx, os->cy, os->srcx, os->srcy)); |
| 236 |
|
| 237 |
ui_screenblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, |
| 238 |
os->srcx, os->srcy); |
| 239 |
} |
| 240 |
|
| 241 |
/* Process a line order */ |
| 242 |
static void |
| 243 |
process_line(STREAM s, LINE_ORDER *os, uint32 present, BOOL delta) |
| 244 |
{ |
| 245 |
if (present & 0x0001) |
| 246 |
in_uint16_le(s, os->mixmode); |
| 247 |
|
| 248 |
if (present & 0x0002) |
| 249 |
rdp_in_coord(s, &os->startx, delta); |
| 250 |
|
| 251 |
if (present & 0x0004) |
| 252 |
rdp_in_coord(s, &os->starty, delta); |
| 253 |
|
| 254 |
if (present & 0x0008) |
| 255 |
rdp_in_coord(s, &os->endx, delta); |
| 256 |
|
| 257 |
if (present & 0x0010) |
| 258 |
rdp_in_coord(s, &os->endy, delta); |
| 259 |
|
| 260 |
if (present & 0x0020) |
| 261 |
rdp_in_colour(s, &os->bgcolour); |
| 262 |
|
| 263 |
if (present & 0x0040) |
| 264 |
in_uint8(s, os->opcode); |
| 265 |
|
| 266 |
rdp_parse_pen(s, &os->pen, present >> 7); |
| 267 |
|
| 268 |
DEBUG(("LINE(op=0x%x,sx=%d,sy=%d,dx=%d,dx=%d,fg=0x%x)\n", |
| 269 |
os->opcode, os->startx, os->starty, os->endx, os->endy, |
| 270 |
os->pen.colour)); |
| 271 |
|
| 272 |
if (os->opcode < 0x01 || os->opcode > 0x10) |
| 273 |
{ |
| 274 |
error("bad ROP2 0x%x\n", os->opcode); |
| 275 |
return; |
| 276 |
} |
| 277 |
|
| 278 |
ui_line(os->opcode - 1, os->startx, os->starty, |
| 279 |
os->endx, os->endy, &os->pen); |
| 280 |
} |
| 281 |
|
| 282 |
/* Process an opaque rectangle order */ |
| 283 |
static void |
| 284 |
process_rect(STREAM s, RECT_ORDER *os, uint32 present, BOOL delta) |
| 285 |
{ |
| 286 |
if (present & 0x01) |
| 287 |
rdp_in_coord(s, &os->x, delta); |
| 288 |
|
| 289 |
if (present & 0x02) |
| 290 |
rdp_in_coord(s, &os->y, delta); |
| 291 |
|
| 292 |
if (present & 0x04) |
| 293 |
rdp_in_coord(s, &os->cx, delta); |
| 294 |
|
| 295 |
if (present & 0x08) |
| 296 |
rdp_in_coord(s, &os->cy, delta); |
| 297 |
|
| 298 |
if (present & 0x10) |
| 299 |
in_uint8(s, os->colour); |
| 300 |
|
| 301 |
DEBUG(("RECT(x=%d,y=%d,cx=%d,cy=%d,fg=0x%x)\n", |
| 302 |
os->x, os->y, os->cx, os->cy, os->colour)); |
| 303 |
|
| 304 |
ui_rect(os->x, os->y, os->cx, os->cy, os->colour); |
| 305 |
} |
| 306 |
|
| 307 |
/* Process a desktop save order */ |
| 308 |
static void |
| 309 |
process_desksave(STREAM s, DESKSAVE_ORDER *os, uint32 present, BOOL delta) |
| 310 |
{ |
| 311 |
int width, height; |
| 312 |
|
| 313 |
if (present & 0x01) |
| 314 |
in_uint32_le(s, os->offset); |
| 315 |
|
| 316 |
if (present & 0x02) |
| 317 |
rdp_in_coord(s, &os->left, delta); |
| 318 |
|
| 319 |
if (present & 0x04) |
| 320 |
rdp_in_coord(s, &os->top, delta); |
| 321 |
|
| 322 |
if (present & 0x08) |
| 323 |
rdp_in_coord(s, &os->right, delta); |
| 324 |
|
| 325 |
if (present & 0x10) |
| 326 |
rdp_in_coord(s, &os->bottom, delta); |
| 327 |
|
| 328 |
if (present & 0x20) |
| 329 |
in_uint8(s, os->action); |
| 330 |
|
| 331 |
DEBUG(("DESKSAVE(l=%d,t=%d,r=%d,b=%d,off=%d,op=%d)\n", |
| 332 |
os->left, os->top, os->right, os->bottom, os->offset, |
| 333 |
os->action)); |
| 334 |
|
| 335 |
width = os->right - os->left + 1; |
| 336 |
height = os->bottom - os->top + 1; |
| 337 |
|
| 338 |
if (os->action == 0) |
| 339 |
ui_desktop_save(os->offset, os->left, os->top, width, height); |
| 340 |
else |
| 341 |
ui_desktop_restore(os->offset, os->left, os->top, width, |
| 342 |
height); |
| 343 |
} |
| 344 |
|
| 345 |
/* Process a memory blt order */ |
| 346 |
static void |
| 347 |
process_memblt(STREAM s, MEMBLT_ORDER *os, uint32 present, BOOL delta) |
| 348 |
{ |
| 349 |
HBITMAP bitmap; |
| 350 |
|
| 351 |
if (present & 0x0001) |
| 352 |
{ |
| 353 |
in_uint8(s, os->cache_id); |
| 354 |
in_uint8(s, os->colour_table); |
| 355 |
} |
| 356 |
|
| 357 |
if (present & 0x0002) |
| 358 |
rdp_in_coord(s, &os->x, delta); |
| 359 |
|
| 360 |
if (present & 0x0004) |
| 361 |
rdp_in_coord(s, &os->y, delta); |
| 362 |
|
| 363 |
if (present & 0x0008) |
| 364 |
rdp_in_coord(s, &os->cx, delta); |
| 365 |
|
| 366 |
if (present & 0x0010) |
| 367 |
rdp_in_coord(s, &os->cy, delta); |
| 368 |
|
| 369 |
if (present & 0x0020) |
| 370 |
in_uint8(s, os->opcode); |
| 371 |
|
| 372 |
if (present & 0x0040) |
| 373 |
rdp_in_coord(s, &os->srcx, delta); |
| 374 |
|
| 375 |
if (present & 0x0080) |
| 376 |
rdp_in_coord(s, &os->srcy, delta); |
| 377 |
|
| 378 |
if (present & 0x0100) |
| 379 |
in_uint16_le(s, os->cache_idx); |
| 380 |
|
| 381 |
DEBUG(("MEMBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,id=%d,idx=%d)\n", |
| 382 |
os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, |
| 383 |
os->cache_idx)); |
| 384 |
|
| 385 |
bitmap = cache_get_bitmap(os->cache_id, os->cache_idx); |
| 386 |
if (bitmap == NULL) |
| 387 |
return; |
| 388 |
|
| 389 |
ui_memblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, |
| 390 |
bitmap, os->srcx, os->srcy); |
| 391 |
} |
| 392 |
|
| 393 |
/* Process a 3-way blt order */ |
| 394 |
static void |
| 395 |
process_triblt(STREAM s, TRIBLT_ORDER *os, uint32 present, BOOL delta) |
| 396 |
{ |
| 397 |
HBITMAP bitmap; |
| 398 |
|
| 399 |
if (present & 0x000001) |
| 400 |
{ |
| 401 |
in_uint8(s, os->cache_id); |
| 402 |
in_uint8(s, os->colour_table); |
| 403 |
} |
| 404 |
|
| 405 |
if (present & 0x000002) |
| 406 |
rdp_in_coord(s, &os->x, delta); |
| 407 |
|
| 408 |
if (present & 0x000004) |
| 409 |
rdp_in_coord(s, &os->y, delta); |
| 410 |
|
| 411 |
if (present & 0x000008) |
| 412 |
rdp_in_coord(s, &os->cx, delta); |
| 413 |
|
| 414 |
if (present & 0x000010) |
| 415 |
rdp_in_coord(s, &os->cy, delta); |
| 416 |
|
| 417 |
if (present & 0x000020) |
| 418 |
in_uint8(s, os->opcode); |
| 419 |
|
| 420 |
if (present & 0x000040) |
| 421 |
rdp_in_coord(s, &os->srcx, delta); |
| 422 |
|
| 423 |
if (present & 0x000080) |
| 424 |
rdp_in_coord(s, &os->srcy, delta); |
| 425 |
|
| 426 |
if (present & 0x000100) |
| 427 |
rdp_in_colour(s, &os->bgcolour); |
| 428 |
|
| 429 |
if (present & 0x000200) |
| 430 |
rdp_in_colour(s, &os->fgcolour); |
| 431 |
|
| 432 |
rdp_parse_brush(s, &os->brush, present >> 10); |
| 433 |
|
| 434 |
if (present & 0x008000) |
| 435 |
in_uint16_le(s, os->cache_idx); |
| 436 |
|
| 437 |
if (present & 0x010000) |
| 438 |
in_uint16_le(s, os->unknown); |
| 439 |
|
| 440 |
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", |
| 441 |
os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, |
| 442 |
os->cache_idx, os->brush.style, os->bgcolour, os->fgcolour)); |
| 443 |
|
| 444 |
bitmap = cache_get_bitmap(os->cache_id, os->cache_idx); |
| 445 |
if (bitmap == NULL) |
| 446 |
return; |
| 447 |
|
| 448 |
ui_triblt(os->opcode, os->x, os->y, os->cx, os->cy, |
| 449 |
bitmap, os->srcx, os->srcy, |
| 450 |
&os->brush, os->bgcolour, os->fgcolour); |
| 451 |
} |
| 452 |
|
| 453 |
/* Parse a delta co-ordinate in polyline order form */ |
| 454 |
static int |
| 455 |
parse_delta(uint8 *buffer, int *offset) |
| 456 |
{ |
| 457 |
int value = buffer[(*offset)++]; |
| 458 |
int two_byte = value & 0x80; |
| 459 |
|
| 460 |
if (value & 0x40) /* sign bit */ |
| 461 |
value |= ~0x3f; |
| 462 |
else |
| 463 |
value &= 0x3f; |
| 464 |
|
| 465 |
if (two_byte) |
| 466 |
value = (value << 8) | buffer[(*offset)++]; |
| 467 |
|
| 468 |
return value; |
| 469 |
} |
| 470 |
|
| 471 |
/* Process a polyline order */ |
| 472 |
static void |
| 473 |
process_polyline(STREAM s, POLYLINE_ORDER *os, uint32 present, BOOL delta) |
| 474 |
{ |
| 475 |
int index, line, data; |
| 476 |
int x, y, xfrom, yfrom; |
| 477 |
uint8 flags = 0; |
| 478 |
PEN pen; |
| 479 |
|
| 480 |
if (present & 0x01) |
| 481 |
rdp_in_coord(s, &os->x, delta); |
| 482 |
|
| 483 |
if (present & 0x02) |
| 484 |
rdp_in_coord(s, &os->y, delta); |
| 485 |
|
| 486 |
if (present & 0x04) |
| 487 |
in_uint8(s, os->flags); |
| 488 |
|
| 489 |
if (present & 0x10) |
| 490 |
rdp_in_colour(s, &os->fgcolour); |
| 491 |
|
| 492 |
if (present & 0x20) |
| 493 |
in_uint8(s, os->lines); |
| 494 |
|
| 495 |
if (present & 0x40) |
| 496 |
{ |
| 497 |
in_uint8(s, os->datasize); |
| 498 |
in_uint8a(s, os->data, os->datasize); |
| 499 |
} |
| 500 |
|
| 501 |
DEBUG(("POLYLINE(x=%d,y=%d,fl=0x%x,fg=0x%x,n=%d,sz=%d)\n", |
| 502 |
os->x, os->y, os->flags, os->fgcolour, os->lines, os->datasize)); |
| 503 |
|
| 504 |
DEBUG(("Data: ")); |
| 505 |
|
| 506 |
for (index = 0; index < os->datasize; index++) |
| 507 |
DEBUG(("%02x ", os->data[index])); |
| 508 |
|
| 509 |
DEBUG(("\n")); |
| 510 |
|
| 511 |
x = os->x; |
| 512 |
y = os->y; |
| 513 |
pen.style = pen.width = 0; |
| 514 |
pen.colour = os->fgcolour; |
| 515 |
|
| 516 |
index = 0; |
| 517 |
data = ((os->lines - 1) / 4) + 1; |
| 518 |
for (line = 0; (line < os->lines) && (data < os->datasize); line++) |
| 519 |
{ |
| 520 |
xfrom = x; |
| 521 |
yfrom = y; |
| 522 |
|
| 523 |
if (line % 4 == 0) |
| 524 |
flags = os->data[index++]; |
| 525 |
|
| 526 |
if ((flags & 0xc0) == 0) |
| 527 |
flags |= 0xc0; /* none = both */ |
| 528 |
|
| 529 |
if (flags & 0x40) |
| 530 |
x += parse_delta(os->data, &data); |
| 531 |
|
| 532 |
if (flags & 0x80) |
| 533 |
y += parse_delta(os->data, &data); |
| 534 |
|
| 535 |
ui_line(ROP2_NXOR, xfrom, yfrom, x, y, &pen); |
| 536 |
|
| 537 |
flags <<= 2; |
| 538 |
} |
| 539 |
} |
| 540 |
|
| 541 |
/* Process a text order */ |
| 542 |
static void |
| 543 |
process_text2(STREAM s, TEXT2_ORDER *os, uint32 present, BOOL delta) |
| 544 |
{ |
| 545 |
DATABLOB *entry; |
| 546 |
int i; |
| 547 |
|
| 548 |
if (present & 0x000001) |
| 549 |
in_uint8(s, os->font); |
| 550 |
|
| 551 |
if (present & 0x000002) |
| 552 |
in_uint8(s, os->flags); |
| 553 |
|
| 554 |
if (present & 0x000004) |
| 555 |
in_uint8(s, os->unknown); |
| 556 |
|
| 557 |
if (present & 0x000008) |
| 558 |
in_uint8(s, os->mixmode); |
| 559 |
|
| 560 |
if (present & 0x000010) |
| 561 |
rdp_in_colour(s, &os->fgcolour); |
| 562 |
|
| 563 |
if (present & 0x000020) |
| 564 |
rdp_in_colour(s, &os->bgcolour); |
| 565 |
|
| 566 |
if (present & 0x000040) |
| 567 |
in_uint16_le(s, os->clipleft); |
| 568 |
|
| 569 |
if (present & 0x000080) |
| 570 |
in_uint16_le(s, os->cliptop); |
| 571 |
|
| 572 |
if (present & 0x000100) |
| 573 |
in_uint16_le(s, os->clipright); |
| 574 |
|
| 575 |
if (present & 0x000200) |
| 576 |
in_uint16_le(s, os->clipbottom); |
| 577 |
|
| 578 |
if (present & 0x000400) |
| 579 |
in_uint16_le(s, os->boxleft); |
| 580 |
|
| 581 |
if (present & 0x000800) |
| 582 |
in_uint16_le(s, os->boxtop); |
| 583 |
|
| 584 |
if (present & 0x001000) |
| 585 |
in_uint16_le(s, os->boxright); |
| 586 |
|
| 587 |
if (present & 0x002000) |
| 588 |
in_uint16_le(s, os->boxbottom); |
| 589 |
|
| 590 |
if (present & 0x080000) |
| 591 |
in_uint16_le(s, os->x); |
| 592 |
|
| 593 |
if (present & 0x100000) |
| 594 |
in_uint16_le(s, os->y); |
| 595 |
|
| 596 |
if (present & 0x200000) |
| 597 |
{ |
| 598 |
in_uint8(s, os->length); |
| 599 |
in_uint8a(s, os->text, os->length); |
| 600 |
} |
| 601 |
|
| 602 |
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", |
| 603 |
os->x, os->y, os->clipleft, os->cliptop, os->clipright, |
| 604 |
os->clipbottom, os->boxleft, os->boxtop, os->boxright, |
| 605 |
os->boxbottom, os->fgcolour, os->bgcolour, os->font, |
| 606 |
os->flags, os->mixmode, os->unknown, os->length)); |
| 607 |
|
| 608 |
DEBUG(("Text: ")); |
| 609 |
|
| 610 |
for (i = 0; i < os->length; i++) |
| 611 |
DEBUG(("%02x ", os->text[i])); |
| 612 |
|
| 613 |
DEBUG(("\n")); |
| 614 |
|
| 615 |
/* Process special cache strings */ |
| 616 |
if ((os->length >= 2) && (os->text[0] == 0xfe)) |
| 617 |
{ |
| 618 |
entry = cache_get_text(os->text[1]); |
| 619 |
|
| 620 |
if (entry == NULL) |
| 621 |
return; |
| 622 |
|
| 623 |
memcpy(os->text, entry->data, entry->size); |
| 624 |
os->length = entry->size; |
| 625 |
} |
| 626 |
else if ((os->length >= 3) && (os->text[os->length - 3] == 0xff)) |
| 627 |
{ |
| 628 |
os->length -= 3; |
| 629 |
cache_put_text(os->text[os->length + 1], os->text, |
| 630 |
os->length); |
| 631 |
} |
| 632 |
|
| 633 |
ui_draw_text(os->font, os->flags, os->mixmode, os->x, os->y, |
| 634 |
os->clipleft, os->cliptop, |
| 635 |
os->clipright - os->clipleft, |
| 636 |
os->clipbottom - os->cliptop, |
| 637 |
os->boxleft, os->boxtop, |
| 638 |
os->boxright - os->boxleft, |
| 639 |
os->boxbottom - os->boxtop, |
| 640 |
os->bgcolour, os->fgcolour, os->text, os->length); |
| 641 |
} |
| 642 |
|
| 643 |
/* Process a raw bitmap cache order */ |
| 644 |
static void |
| 645 |
process_raw_bmpcache(STREAM s) |
| 646 |
{ |
| 647 |
HBITMAP bitmap; |
| 648 |
uint16 cache_idx, bufsize; |
| 649 |
uint8 cache_id, width, height, bpp; |
| 650 |
uint8 *data, *inverted; |
| 651 |
int y; |
| 652 |
|
| 653 |
in_uint8(s, cache_id); |
| 654 |
in_uint8s(s, 1); /* pad */ |
| 655 |
in_uint8(s, width); |
| 656 |
in_uint8(s, height); |
| 657 |
in_uint8(s, bpp); |
| 658 |
in_uint16_le(s, bufsize); |
| 659 |
in_uint16_le(s, cache_idx); |
| 660 |
in_uint8p(s, data, bufsize); |
| 661 |
|
| 662 |
DEBUG(("RAW_BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", |
| 663 |
width, height, cache_id, cache_idx)); |
| 664 |
inverted = xmalloc(width * height); |
| 665 |
for (y = 0; y < height; y++) |
| 666 |
{ |
| 667 |
memcpy(&inverted[(height - y - 1) * width], &data[y * width], |
| 668 |
width); |
| 669 |
} |
| 670 |
|
| 671 |
bitmap = ui_create_bitmap(width, height, inverted); |
| 672 |
xfree(inverted); |
| 673 |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
| 674 |
} |
| 675 |
|
| 676 |
/* Process a bitmap cache order */ |
| 677 |
static void |
| 678 |
process_bmpcache(STREAM s) |
| 679 |
{ |
| 680 |
HBITMAP bitmap; |
| 681 |
uint16 cache_idx, size; |
| 682 |
uint8 cache_id, width, height, bpp; |
| 683 |
uint8 *data, *bmpdata; |
| 684 |
|
| 685 |
in_uint8(s, cache_id); |
| 686 |
in_uint8s(s, 1); /* pad */ |
| 687 |
in_uint8(s, width); |
| 688 |
in_uint8(s, height); |
| 689 |
in_uint8(s, bpp); |
| 690 |
in_uint8s(s, 2); /* bufsize */ |
| 691 |
in_uint16_le(s, cache_idx); |
| 692 |
in_uint8s(s, 2); /* pad */ |
| 693 |
in_uint16_le(s, size); |
| 694 |
in_uint8s(s, 4); /* row_size, final_size */ |
| 695 |
in_uint8p(s, data, size); |
| 696 |
|
| 697 |
DEBUG(("BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", |
| 698 |
width, height, cache_id, cache_idx)); |
| 699 |
|
| 700 |
bmpdata = xmalloc(width * height); |
| 701 |
|
| 702 |
if (bitmap_decompress(bmpdata, width, height, data, size)) |
| 703 |
{ |
| 704 |
bitmap = ui_create_bitmap(width, height, bmpdata); |
| 705 |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
| 706 |
} |
| 707 |
|
| 708 |
xfree(bmpdata); |
| 709 |
} |
| 710 |
|
| 711 |
/* Process a colourmap cache order */ |
| 712 |
static void |
| 713 |
process_colcache(STREAM s) |
| 714 |
{ |
| 715 |
COLOURENTRY *entry; |
| 716 |
COLOURMAP map; |
| 717 |
HCOLOURMAP hmap; |
| 718 |
uint8 cache_id; |
| 719 |
int i; |
| 720 |
|
| 721 |
in_uint8(s, cache_id); |
| 722 |
in_uint16_le(s, map.ncolours); |
| 723 |
|
| 724 |
map.colours = xmalloc(3 * map.ncolours); |
| 725 |
|
| 726 |
for (i = 0; i < map.ncolours; i++) |
| 727 |
{ |
| 728 |
entry = &map.colours[i]; |
| 729 |
in_uint8(s, entry->blue); |
| 730 |
in_uint8(s, entry->green); |
| 731 |
in_uint8(s, entry->red); |
| 732 |
in_uint8s(s, 1); /* pad */ |
| 733 |
} |
| 734 |
|
| 735 |
DEBUG(("COLCACHE(id=%d,n=%d)\n", cache_id, map.ncolours)); |
| 736 |
|
| 737 |
hmap = ui_create_colourmap(&map); |
| 738 |
ui_set_colourmap(hmap); |
| 739 |
|
| 740 |
xfree(map.colours); |
| 741 |
} |
| 742 |
|
| 743 |
/* Process a font cache order */ |
| 744 |
static void |
| 745 |
process_fontcache(STREAM s) |
| 746 |
{ |
| 747 |
HGLYPH bitmap; |
| 748 |
uint8 font, nglyphs; |
| 749 |
uint16 character, offset, baseline, width, height; |
| 750 |
int i, datasize; |
| 751 |
uint8 *data; |
| 752 |
|
| 753 |
in_uint8(s, font); |
| 754 |
in_uint8(s, nglyphs); |
| 755 |
|
| 756 |
DEBUG(("FONTCACHE(font=%d,n=%d)\n", font, nglyphs)); |
| 757 |
|
| 758 |
for (i = 0; i < nglyphs; i++) |
| 759 |
{ |
| 760 |
in_uint16_le(s, character); |
| 761 |
in_uint16_le(s, offset); |
| 762 |
in_uint16_le(s, baseline); |
| 763 |
in_uint16_le(s, width); |
| 764 |
in_uint16_le(s, height); |
| 765 |
|
| 766 |
datasize = (height * ((width + 7) / 8) + 3) & ~3; |
| 767 |
in_uint8p(s, data, datasize); |
| 768 |
|
| 769 |
bitmap = ui_create_glyph(width, height, data); |
| 770 |
cache_put_font(font, character, offset, baseline, |
| 771 |
width, height, bitmap); |
| 772 |
} |
| 773 |
} |
| 774 |
|
| 775 |
/* Process a secondary order */ |
| 776 |
static void |
| 777 |
process_secondary_order(STREAM s) |
| 778 |
{ |
| 779 |
uint16 length; |
| 780 |
uint8 type; |
| 781 |
uint8 *next_order; |
| 782 |
|
| 783 |
in_uint16_le(s, length); |
| 784 |
in_uint8s(s, 2); /* flags */ |
| 785 |
in_uint8(s, type); |
| 786 |
|
| 787 |
next_order = s->p + length + 7; |
| 788 |
|
| 789 |
switch (type) |
| 790 |
{ |
| 791 |
case RDP_ORDER_RAW_BMPCACHE: |
| 792 |
process_raw_bmpcache(s); |
| 793 |
break; |
| 794 |
|
| 795 |
case RDP_ORDER_COLCACHE: |
| 796 |
process_colcache(s); |
| 797 |
break; |
| 798 |
|
| 799 |
case RDP_ORDER_BMPCACHE: |
| 800 |
process_bmpcache(s); |
| 801 |
break; |
| 802 |
|
| 803 |
case RDP_ORDER_FONTCACHE: |
| 804 |
process_fontcache(s); |
| 805 |
break; |
| 806 |
|
| 807 |
default: |
| 808 |
unimpl("secondary order %d\n", type); |
| 809 |
} |
| 810 |
|
| 811 |
s->p = next_order; |
| 812 |
} |
| 813 |
|
| 814 |
/* Process an order PDU */ |
| 815 |
void |
| 816 |
process_orders(STREAM s) |
| 817 |
{ |
| 818 |
RDP_ORDER_STATE *os = &order_state; |
| 819 |
uint32 present; |
| 820 |
uint16 num_orders; |
| 821 |
uint8 order_flags; |
| 822 |
int size, processed = 0; |
| 823 |
BOOL delta; |
| 824 |
|
| 825 |
in_uint8s(s, 2); /* pad */ |
| 826 |
in_uint16_le(s, num_orders); |
| 827 |
in_uint8s(s, 2); /* pad */ |
| 828 |
|
| 829 |
while (processed < num_orders) |
| 830 |
{ |
| 831 |
in_uint8(s, order_flags); |
| 832 |
|
| 833 |
if (!(order_flags & RDP_ORDER_STANDARD)) |
| 834 |
{ |
| 835 |
error("order parsing failed\n"); |
| 836 |
break; |
| 837 |
} |
| 838 |
|
| 839 |
if (order_flags & RDP_ORDER_SECONDARY) |
| 840 |
{ |
| 841 |
process_secondary_order(s); |
| 842 |
} |
| 843 |
else |
| 844 |
{ |
| 845 |
if (order_flags & RDP_ORDER_CHANGE) |
| 846 |
{ |
| 847 |
in_uint8(s, os->order_type); |
| 848 |
} |
| 849 |
|
| 850 |
switch (os->order_type) |
| 851 |
{ |
| 852 |
case RDP_ORDER_TRIBLT: |
| 853 |
case RDP_ORDER_TEXT2: |
| 854 |
size = 3; |
| 855 |
break; |
| 856 |
|
| 857 |
case RDP_ORDER_PATBLT: |
| 858 |
case RDP_ORDER_MEMBLT: |
| 859 |
case RDP_ORDER_LINE: |
| 860 |
size = 2; |
| 861 |
break; |
| 862 |
|
| 863 |
default: |
| 864 |
size = 1; |
| 865 |
} |
| 866 |
|
| 867 |
rdp_in_present(s, &present, order_flags, size); |
| 868 |
|
| 869 |
if (order_flags & RDP_ORDER_BOUNDS) |
| 870 |
{ |
| 871 |
if (!(order_flags & RDP_ORDER_LASTBOUNDS)) |
| 872 |
rdp_parse_bounds(s, &os->bounds); |
| 873 |
|
| 874 |
ui_set_clip(os->bounds.left, |
| 875 |
os->bounds.top, |
| 876 |
os->bounds.right - |
| 877 |
os->bounds.left + 1, |
| 878 |
os->bounds.bottom - |
| 879 |
os->bounds.top + 1); |
| 880 |
} |
| 881 |
|
| 882 |
delta = order_flags & RDP_ORDER_DELTA; |
| 883 |
|
| 884 |
switch (os->order_type) |
| 885 |
{ |
| 886 |
case RDP_ORDER_DESTBLT: |
| 887 |
process_destblt(s, &os->destblt, |
| 888 |
present, delta); |
| 889 |
break; |
| 890 |
|
| 891 |
case RDP_ORDER_PATBLT: |
| 892 |
process_patblt(s, &os->patblt, |
| 893 |
present, delta); |
| 894 |
break; |
| 895 |
|
| 896 |
case RDP_ORDER_SCREENBLT: |
| 897 |
process_screenblt(s, &os->screenblt, |
| 898 |
present, delta); |
| 899 |
break; |
| 900 |
|
| 901 |
case RDP_ORDER_LINE: |
| 902 |
process_line(s, &os->line, |
| 903 |
present, delta); |
| 904 |
break; |
| 905 |
|
| 906 |
case RDP_ORDER_RECT: |
| 907 |
process_rect(s, &os->rect, |
| 908 |
present, delta); |
| 909 |
break; |
| 910 |
|
| 911 |
case RDP_ORDER_DESKSAVE: |
| 912 |
process_desksave(s, &os->desksave, |
| 913 |
present, delta); |
| 914 |
break; |
| 915 |
|
| 916 |
case RDP_ORDER_MEMBLT: |
| 917 |
process_memblt(s, &os->memblt, |
| 918 |
present, delta); |
| 919 |
break; |
| 920 |
|
| 921 |
case RDP_ORDER_TRIBLT: |
| 922 |
process_triblt(s, &os->triblt, |
| 923 |
present, delta); |
| 924 |
break; |
| 925 |
|
| 926 |
case RDP_ORDER_POLYLINE: |
| 927 |
process_polyline(s, &os->polyline, |
| 928 |
present, delta); |
| 929 |
break; |
| 930 |
|
| 931 |
case RDP_ORDER_TEXT2: |
| 932 |
process_text2(s, &os->text2, |
| 933 |
present, delta); |
| 934 |
break; |
| 935 |
|
| 936 |
default: |
| 937 |
unimpl("order %d\n", os->order_type); |
| 938 |
return; |
| 939 |
} |
| 940 |
|
| 941 |
if (order_flags & RDP_ORDER_BOUNDS) |
| 942 |
ui_reset_clip(); |
| 943 |
} |
| 944 |
|
| 945 |
processed++; |
| 946 |
} |
| 947 |
|
| 948 |
if (s->p != next_packet) |
| 949 |
error("%d bytes remaining\n", (int) (next_packet - s->p)); |
| 950 |
} |
| 951 |
|
| 952 |
/* Reset order state */ |
| 953 |
void |
| 954 |
reset_order_state() |
| 955 |
{ |
| 956 |
memset(&order_state, 0, sizeof(order_state)); |
| 957 |
order_state.order_type = RDP_ORDER_PATBLT; |
| 958 |
} |
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