1 |
/* -*- c-basic-offset: 8 -*- |
/* -*- c-basic-offset: 8 -*- |
2 |
rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
3 |
RDP order processing |
RDP order processing |
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 |
70 |
} |
} |
71 |
} |
} |
72 |
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|
73 |
|
/* Parse a delta co-ordinate in polyline/polygon order form */ |
74 |
|
static int |
75 |
|
parse_delta(uint8 * buffer, int *offset) |
76 |
|
{ |
77 |
|
int value = buffer[(*offset)++]; |
78 |
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int two_byte = value & 0x80; |
79 |
|
|
80 |
|
if (value & 0x40) /* sign bit */ |
81 |
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value |= ~0x3f; |
82 |
|
else |
83 |
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value &= 0x3f; |
84 |
|
|
85 |
|
if (two_byte) |
86 |
|
value = (value << 8) | buffer[(*offset)++]; |
87 |
|
|
88 |
|
return value; |
89 |
|
} |
90 |
|
|
91 |
/* Read a colour entry */ |
/* Read a colour entry */ |
92 |
static void |
static void |
93 |
rdp_in_colour(STREAM s, uint32 * colour) |
rdp_in_colour(STREAM s, uint32 * colour) |
287 |
|
|
288 |
rdp_parse_pen(s, &os->pen, present >> 7); |
rdp_parse_pen(s, &os->pen, present >> 7); |
289 |
|
|
290 |
DEBUG(("LINE(op=0x%x,sx=%d,sy=%d,dx=%d,dx=%d,fg=0x%x)\n", |
DEBUG(("LINE(op=0x%x,sx=%d,sy=%d,dx=%d,dy=%d,fg=0x%x)\n", |
291 |
os->opcode, os->startx, os->starty, os->endx, os->endy, os->pen.colour)); |
os->opcode, os->startx, os->starty, os->endx, os->endy, os->pen.colour)); |
292 |
|
|
293 |
if (os->opcode < 0x01 || os->opcode > 0x10) |
if (os->opcode < 0x01 || os->opcode > 0x10) |
480 |
bitmap, os->srcx, os->srcy, &os->brush, os->bgcolour, os->fgcolour); |
bitmap, os->srcx, os->srcy, &os->brush, os->bgcolour, os->fgcolour); |
481 |
} |
} |
482 |
|
|
483 |
/* Parse a delta co-ordinate in polyline order form */ |
/* Process a polygon order */ |
484 |
static int |
static void |
485 |
parse_delta(uint8 * buffer, int *offset) |
process_polygon(STREAM s, POLYGON_ORDER * os, uint32 present, BOOL delta) |
486 |
{ |
{ |
487 |
int value = buffer[(*offset)++]; |
int index, data, next; |
488 |
int two_byte = value & 0x80; |
uint8 flags = 0; |
489 |
|
POINT *points; |
490 |
|
|
491 |
if (value & 0x40) /* sign bit */ |
if (present & 0x01) |
492 |
value |= ~0x3f; |
rdp_in_coord(s, &os->x, delta); |
493 |
|
|
494 |
|
if (present & 0x02) |
495 |
|
rdp_in_coord(s, &os->y, delta); |
496 |
|
|
497 |
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if (present & 0x04) |
498 |
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in_uint8(s, os->opcode); |
499 |
|
|
500 |
|
if (present & 0x08) |
501 |
|
in_uint8(s, os->fillmode); |
502 |
|
|
503 |
|
if (present & 0x10) |
504 |
|
rdp_in_colour(s, &os->fgcolour); |
505 |
|
|
506 |
|
if (present & 0x20) |
507 |
|
in_uint8(s, os->npoints); |
508 |
|
|
509 |
|
if (present & 0x40) |
510 |
|
{ |
511 |
|
in_uint8(s, os->datasize); |
512 |
|
in_uint8a(s, os->data, os->datasize); |
513 |
|
} |
514 |
|
|
515 |
|
DEBUG(("POLYGON(x=%d,y=%d,op=0x%x,fm=%d,fg=0x%x,n=%d,sz=%d)\n", |
516 |
|
os->x, os->y, os->opcode, os->fillmode, os->fgcolour, os->npoints, os->datasize)); |
517 |
|
|
518 |
|
DEBUG(("Data: ")); |
519 |
|
|
520 |
|
for (index = 0; index < os->datasize; index++) |
521 |
|
DEBUG(("%02x ", os->data[index])); |
522 |
|
|
523 |
|
DEBUG(("\n")); |
524 |
|
|
525 |
|
if (os->opcode < 0x01 || os->opcode > 0x10) |
526 |
|
{ |
527 |
|
error("bad ROP2 0x%x\n", os->opcode); |
528 |
|
return; |
529 |
|
} |
530 |
|
|
531 |
|
points = (POINT *) xmalloc((os->npoints + 1) * sizeof(POINT)); |
532 |
|
memset(points, 0, (os->npoints + 1) * sizeof(POINT)); |
533 |
|
|
534 |
|
points[0].x = os->x; |
535 |
|
points[0].y = os->y; |
536 |
|
|
537 |
|
index = 0; |
538 |
|
data = ((os->npoints - 1) / 4) + 1; |
539 |
|
for (next = 1; (next <= os->npoints) && (next < 256) && (data < os->datasize); next++) |
540 |
|
{ |
541 |
|
if ((next - 1) % 4 == 0) |
542 |
|
flags = os->data[index++]; |
543 |
|
|
544 |
|
if (~flags & 0x80) |
545 |
|
points[next].x = parse_delta(os->data, &data); |
546 |
|
|
547 |
|
if (~flags & 0x40) |
548 |
|
points[next].y = parse_delta(os->data, &data); |
549 |
|
|
550 |
|
flags <<= 2; |
551 |
|
} |
552 |
|
|
553 |
|
if (next - 1 == os->npoints) |
554 |
|
ui_polygon(os->opcode - 1, os->fillmode, points, os->npoints + 1, NULL, 0, |
555 |
|
os->fgcolour); |
556 |
else |
else |
557 |
value &= 0x3f; |
error("polygon parse error\n"); |
558 |
|
|
559 |
if (two_byte) |
xfree(points); |
560 |
value = (value << 8) | buffer[(*offset)++]; |
} |
561 |
|
|
562 |
return value; |
/* Process a polygon2 order */ |
563 |
|
static void |
564 |
|
process_polygon2(STREAM s, POLYGON2_ORDER * os, uint32 present, BOOL delta) |
565 |
|
{ |
566 |
|
int index, data, next; |
567 |
|
uint8 flags = 0; |
568 |
|
POINT *points; |
569 |
|
|
570 |
|
if (present & 0x0001) |
571 |
|
rdp_in_coord(s, &os->x, delta); |
572 |
|
|
573 |
|
if (present & 0x0002) |
574 |
|
rdp_in_coord(s, &os->y, delta); |
575 |
|
|
576 |
|
if (present & 0x0004) |
577 |
|
in_uint8(s, os->opcode); |
578 |
|
|
579 |
|
if (present & 0x0008) |
580 |
|
in_uint8(s, os->fillmode); |
581 |
|
|
582 |
|
if (present & 0x0010) |
583 |
|
rdp_in_colour(s, &os->bgcolour); |
584 |
|
|
585 |
|
if (present & 0x0020) |
586 |
|
rdp_in_colour(s, &os->fgcolour); |
587 |
|
|
588 |
|
rdp_parse_brush(s, &os->brush, present >> 6); |
589 |
|
|
590 |
|
if (present & 0x0800) |
591 |
|
in_uint8(s, os->npoints); |
592 |
|
|
593 |
|
if (present & 0x1000) |
594 |
|
{ |
595 |
|
in_uint8(s, os->datasize); |
596 |
|
in_uint8a(s, os->data, os->datasize); |
597 |
|
} |
598 |
|
|
599 |
|
DEBUG(("POLYGON2(x=%d,y=%d,op=0x%x,fm=%d,bs=%d,bg=0x%x,fg=0x%x,n=%d,sz=%d)\n", |
600 |
|
os->x, os->y, os->opcode, os->fillmode, os->brush.style, os->bgcolour, os->fgcolour, |
601 |
|
os->npoints, os->datasize)); |
602 |
|
|
603 |
|
DEBUG(("Data: ")); |
604 |
|
|
605 |
|
for (index = 0; index < os->datasize; index++) |
606 |
|
DEBUG(("%02x ", os->data[index])); |
607 |
|
|
608 |
|
DEBUG(("\n")); |
609 |
|
|
610 |
|
if (os->opcode < 0x01 || os->opcode > 0x10) |
611 |
|
{ |
612 |
|
error("bad ROP2 0x%x\n", os->opcode); |
613 |
|
return; |
614 |
|
} |
615 |
|
|
616 |
|
points = (POINT *) xmalloc((os->npoints + 1) * sizeof(POINT)); |
617 |
|
memset(points, 0, (os->npoints + 1) * sizeof(POINT)); |
618 |
|
|
619 |
|
points[0].x = os->x; |
620 |
|
points[0].y = os->y; |
621 |
|
|
622 |
|
index = 0; |
623 |
|
data = ((os->npoints - 1) / 4) + 1; |
624 |
|
for (next = 1; (next <= os->npoints) && (next < 256) && (data < os->datasize); next++) |
625 |
|
{ |
626 |
|
if ((next - 1) % 4 == 0) |
627 |
|
flags = os->data[index++]; |
628 |
|
|
629 |
|
if (~flags & 0x80) |
630 |
|
points[next].x = parse_delta(os->data, &data); |
631 |
|
|
632 |
|
if (~flags & 0x40) |
633 |
|
points[next].y = parse_delta(os->data, &data); |
634 |
|
|
635 |
|
flags <<= 2; |
636 |
|
} |
637 |
|
|
638 |
|
if (next - 1 == os->npoints) |
639 |
|
ui_polygon(os->opcode - 1, os->fillmode, points, os->npoints + 1, |
640 |
|
&os->brush, os->bgcolour, os->fgcolour); |
641 |
|
else |
642 |
|
error("polygon2 parse error\n"); |
643 |
|
|
644 |
|
xfree(points); |
645 |
} |
} |
646 |
|
|
647 |
/* Process a polyline order */ |
/* Process a polyline order */ |
722 |
} |
} |
723 |
} |
} |
724 |
|
|
725 |
|
/* Process an ellipse order */ |
726 |
|
static void |
727 |
|
process_ellipse(STREAM s, ELLIPSE_ORDER * os, uint32 present, BOOL delta) |
728 |
|
{ |
729 |
|
if (present & 0x01) |
730 |
|
rdp_in_coord(s, &os->left, delta); |
731 |
|
|
732 |
|
if (present & 0x02) |
733 |
|
rdp_in_coord(s, &os->top, delta); |
734 |
|
|
735 |
|
if (present & 0x04) |
736 |
|
rdp_in_coord(s, &os->right, delta); |
737 |
|
|
738 |
|
if (present & 0x08) |
739 |
|
rdp_in_coord(s, &os->bottom, delta); |
740 |
|
|
741 |
|
if (present & 0x10) |
742 |
|
in_uint8(s, os->opcode); |
743 |
|
|
744 |
|
if (present & 0x20) |
745 |
|
in_uint8(s, os->fillmode); |
746 |
|
|
747 |
|
if (present & 0x40) |
748 |
|
rdp_in_colour(s, &os->fgcolour); |
749 |
|
|
750 |
|
DEBUG(("ELLIPSE(l=%d,t=%d,r=%d,b=%d,op=0x%x,fm=%d,fg=0x%x)\n", os->left, os->top, |
751 |
|
os->right, os->bottom, os->opcode, os->fillmode, os->fgcolour)); |
752 |
|
|
753 |
|
ui_ellipse(os->opcode - 1, os->fillmode, os->left, os->top, os->right - os->left, |
754 |
|
os->bottom - os->top, NULL, 0, os->fgcolour); |
755 |
|
} |
756 |
|
|
757 |
|
/* Process an ellipse2 order */ |
758 |
|
static void |
759 |
|
process_ellipse2(STREAM s, ELLIPSE2_ORDER * os, uint32 present, BOOL delta) |
760 |
|
{ |
761 |
|
if (present & 0x0001) |
762 |
|
rdp_in_coord(s, &os->left, delta); |
763 |
|
|
764 |
|
if (present & 0x0002) |
765 |
|
rdp_in_coord(s, &os->top, delta); |
766 |
|
|
767 |
|
if (present & 0x0004) |
768 |
|
rdp_in_coord(s, &os->right, delta); |
769 |
|
|
770 |
|
if (present & 0x0008) |
771 |
|
rdp_in_coord(s, &os->bottom, delta); |
772 |
|
|
773 |
|
if (present & 0x0010) |
774 |
|
in_uint8(s, os->opcode); |
775 |
|
|
776 |
|
if (present & 0x0020) |
777 |
|
in_uint8(s, os->fillmode); |
778 |
|
|
779 |
|
if (present & 0x0040) |
780 |
|
rdp_in_colour(s, &os->bgcolour); |
781 |
|
|
782 |
|
if (present & 0x0080) |
783 |
|
rdp_in_colour(s, &os->fgcolour); |
784 |
|
|
785 |
|
rdp_parse_brush(s, &os->brush, present >> 8); |
786 |
|
|
787 |
|
DEBUG(("ELLIPSE2(l=%d,t=%d,r=%d,b=%d,op=0x%x,fm=%d,bs=%d,bg=0x%x,fg=0x%x)\n", |
788 |
|
os->left, os->top, os->right, os->bottom, os->opcode, os->fillmode, os->brush.style, |
789 |
|
os->bgcolour, os->fgcolour)); |
790 |
|
|
791 |
|
ui_ellipse(os->opcode - 1, os->fillmode, os->left, os->top, os->right - os->left, |
792 |
|
os->bottom - os->top, &os->brush, os->bgcolour, os->fgcolour); |
793 |
|
} |
794 |
|
|
795 |
/* Process a text order */ |
/* Process a text order */ |
796 |
static void |
static void |
797 |
process_text2(STREAM s, TEXT2_ORDER * os, uint32 present, BOOL delta) |
process_text2(STREAM s, TEXT2_ORDER * os, uint32 present, BOOL delta) |
805 |
in_uint8(s, os->flags); |
in_uint8(s, os->flags); |
806 |
|
|
807 |
if (present & 0x000004) |
if (present & 0x000004) |
808 |
in_uint8(s, os->unknown); |
in_uint8(s, os->opcode); |
809 |
|
|
810 |
if (present & 0x000008) |
if (present & 0x000008) |
811 |
in_uint8(s, os->mixmode); |
in_uint8(s, os->mixmode); |
840 |
if (present & 0x002000) |
if (present & 0x002000) |
841 |
in_uint16_le(s, os->boxbottom); |
in_uint16_le(s, os->boxbottom); |
842 |
|
|
843 |
if (present & 0x004000) /* fix for connecting to a server that */ |
rdp_parse_brush(s, &os->brush, present >> 14); |
|
in_uint8s(s, 10); /* was disconnected with mstsc.exe */ |
|
|
/* 0x008000, 0x020000, and 0x040000 are present too ??? */ |
|
844 |
|
|
845 |
if (present & 0x080000) |
if (present & 0x080000) |
846 |
in_uint16_le(s, os->x); |
in_uint16_le(s, os->x); |
854 |
in_uint8a(s, os->text, os->length); |
in_uint8a(s, os->text, os->length); |
855 |
} |
} |
856 |
|
|
857 |
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)); |
DEBUG(("TEXT2(x=%d,y=%d,cl=%d,ct=%d,cr=%d,cb=%d,bl=%d,bt=%d,br=%d,bb=%d,bs=%d,bg=0x%x,fg=0x%x,font=%d,fl=0x%x,op=0x%x,mix=%d,n=%d)\n", os->x, os->y, os->clipleft, os->cliptop, os->clipright, os->clipbottom, os->boxleft, os->boxtop, os->boxright, os->boxbottom, os->brush.style, os->bgcolour, os->fgcolour, os->font, os->flags, os->opcode, os->mixmode, os->length)); |
858 |
|
|
859 |
DEBUG(("Text: ")); |
DEBUG(("Text: ")); |
860 |
|
|
863 |
|
|
864 |
DEBUG(("\n")); |
DEBUG(("\n")); |
865 |
|
|
866 |
ui_draw_text(os->font, os->flags, os->mixmode, os->x, os->y, |
ui_draw_text(os->font, os->flags, os->opcode - 1, os->mixmode, os->x, os->y, |
867 |
os->clipleft, os->cliptop, |
os->clipleft, os->cliptop, os->clipright - os->clipleft, |
868 |
os->clipright - os->clipleft, |
os->clipbottom - os->cliptop, os->boxleft, os->boxtop, |
869 |
os->clipbottom - os->cliptop, |
os->boxright - os->boxleft, os->boxbottom - os->boxtop, |
870 |
os->boxleft, os->boxtop, |
&os->brush, os->bgcolour, os->fgcolour, os->text, os->length); |
|
os->boxright - os->boxleft, |
|
|
os->boxbottom - os->boxtop, os->bgcolour, os->fgcolour, os->text, os->length); |
|
871 |
} |
} |
872 |
|
|
873 |
/* Process a raw bitmap cache order */ |
/* Process a raw bitmap cache order */ |
900 |
|
|
901 |
bitmap = ui_create_bitmap(width, height, inverted); |
bitmap = ui_create_bitmap(width, height, inverted); |
902 |
xfree(inverted); |
xfree(inverted); |
903 |
cache_put_bitmap(cache_id, cache_idx, bitmap, 0); |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
904 |
} |
} |
905 |
|
|
906 |
/* Process a bitmap cache order */ |
/* Process a bitmap cache order */ |
949 |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
950 |
{ |
{ |
951 |
bitmap = ui_create_bitmap(width, height, bmpdata); |
bitmap = ui_create_bitmap(width, height, bmpdata); |
952 |
cache_put_bitmap(cache_id, cache_idx, bitmap, 0); |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
953 |
} |
} |
954 |
else |
else |
955 |
{ |
{ |
1002 |
in_uint8p(s, data, bufsize); |
in_uint8p(s, data, bufsize); |
1003 |
|
|
1004 |
DEBUG(("BMPCACHE2(compr=%d,flags=%x,cx=%d,cy=%d,id=%d,idx=%d,Bpp=%d,bs=%d)\n", |
DEBUG(("BMPCACHE2(compr=%d,flags=%x,cx=%d,cy=%d,id=%d,idx=%d,Bpp=%d,bs=%d)\n", |
1005 |
compressed, flags, width, height, cache_id, cache_idx, Bpp, bufsize)); |
compressed, flags, width, height, cache_id, cache_idx, Bpp, bufsize)); |
1006 |
|
|
1007 |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
1008 |
|
|
1019 |
{ |
{ |
1020 |
for (y = 0; y < height; y++) |
for (y = 0; y < height; y++) |
1021 |
memcpy(&bmpdata[(height - y - 1) * (width * Bpp)], |
memcpy(&bmpdata[(height - y - 1) * (width * Bpp)], |
1022 |
&data[y * (width * Bpp)], width * Bpp); |
&data[y * (width * Bpp)], width * Bpp); |
1023 |
} |
} |
1024 |
|
|
1025 |
bitmap = ui_create_bitmap(width, height, bmpdata); |
bitmap = ui_create_bitmap(width, height, bmpdata); |
1026 |
|
|
1027 |
if (bitmap) |
if (bitmap) |
1028 |
{ |
{ |
1029 |
cache_put_bitmap(cache_id, cache_idx, bitmap, 0); |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
1030 |
if (flags & PERSIST) |
if (flags & PERSIST) |
1031 |
pstcache_put_bitmap(cache_id, cache_idx, bitmap_id, width, height, |
pstcache_save_bitmap(cache_id, cache_idx, bitmap_id, width, height, |
1032 |
width * height * Bpp, bmpdata); |
width * height * Bpp, bmpdata); |
1033 |
} |
} |
1034 |
else |
else |
1035 |
{ |
{ |
1115 |
uint8 *next_order; |
uint8 *next_order; |
1116 |
|
|
1117 |
in_uint16_le(s, length); |
in_uint16_le(s, length); |
1118 |
in_uint16_le(s, flags); /* used by bmpcache2 */ |
in_uint16_le(s, flags); /* used by bmpcache2 */ |
1119 |
in_uint8(s, type); |
in_uint8(s, type); |
1120 |
|
|
1121 |
next_order = s->p + (sint16)length + 7; |
next_order = s->p + (sint16) length + 7; |
1122 |
|
|
1123 |
switch (type) |
switch (type) |
1124 |
{ |
{ |
1194 |
case RDP_ORDER_PATBLT: |
case RDP_ORDER_PATBLT: |
1195 |
case RDP_ORDER_MEMBLT: |
case RDP_ORDER_MEMBLT: |
1196 |
case RDP_ORDER_LINE: |
case RDP_ORDER_LINE: |
1197 |
|
case RDP_ORDER_POLYGON2: |
1198 |
|
case RDP_ORDER_ELLIPSE2: |
1199 |
size = 2; |
size = 2; |
1200 |
break; |
break; |
1201 |
|
|
1253 |
process_triblt(s, &os->triblt, present, delta); |
process_triblt(s, &os->triblt, present, delta); |
1254 |
break; |
break; |
1255 |
|
|
1256 |
|
case RDP_ORDER_POLYGON: |
1257 |
|
process_polygon(s, &os->polygon, present, delta); |
1258 |
|
break; |
1259 |
|
|
1260 |
|
case RDP_ORDER_POLYGON2: |
1261 |
|
process_polygon2(s, &os->polygon2, present, delta); |
1262 |
|
break; |
1263 |
|
|
1264 |
case RDP_ORDER_POLYLINE: |
case RDP_ORDER_POLYLINE: |
1265 |
process_polyline(s, &os->polyline, present, delta); |
process_polyline(s, &os->polyline, present, delta); |
1266 |
break; |
break; |
1267 |
|
|
1268 |
|
case RDP_ORDER_ELLIPSE: |
1269 |
|
process_ellipse(s, &os->ellipse, present, delta); |
1270 |
|
break; |
1271 |
|
|
1272 |
|
case RDP_ORDER_ELLIPSE2: |
1273 |
|
process_ellipse2(s, &os->ellipse2, present, delta); |
1274 |
|
break; |
1275 |
|
|
1276 |
case RDP_ORDER_TEXT2: |
case RDP_ORDER_TEXT2: |
1277 |
process_text2(s, &os->text2, present, delta); |
process_text2(s, &os->text2, present, delta); |
1278 |
break; |
break; |