1 |
/* |
/* -*- 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 1999-2002 |
21 |
#include "rdesktop.h" |
#include "rdesktop.h" |
22 |
#include "orders.h" |
#include "orders.h" |
23 |
|
|
24 |
extern uint8 *next_packet; |
extern uint8 *g_next_packet; |
25 |
static RDP_ORDER_STATE order_state; |
static RDP_ORDER_STATE g_order_state; |
26 |
|
extern BOOL g_use_rdp5; |
27 |
|
|
28 |
/* Read field indicating which parameters are present */ |
/* Read field indicating which parameters are present */ |
29 |
static void |
static void |
55 |
|
|
56 |
/* Read a co-ordinate (16-bit, or 8-bit delta) */ |
/* Read a co-ordinate (16-bit, or 8-bit delta) */ |
57 |
static void |
static void |
58 |
rdp_in_coord(STREAM s, uint16 * coord, BOOL delta) |
rdp_in_coord(STREAM s, sint16 * coord, BOOL delta) |
59 |
{ |
{ |
60 |
sint8 change; |
sint8 change; |
61 |
|
|
269 |
|
|
270 |
rdp_parse_pen(s, &os->pen, present >> 7); |
rdp_parse_pen(s, &os->pen, present >> 7); |
271 |
|
|
272 |
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", |
273 |
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)); |
274 |
|
|
275 |
if (os->opcode < 0x01 || os->opcode > 0x10) |
if (os->opcode < 0x01 || os->opcode > 0x10) |
606 |
if (present & 0x002000) |
if (present & 0x002000) |
607 |
in_uint16_le(s, os->boxbottom); |
in_uint16_le(s, os->boxbottom); |
608 |
|
|
609 |
|
/* |
610 |
|
* Unknown members, seen when connecting to a session that was disconnected with |
611 |
|
* mstsc and with wintach's spreadsheet test. |
612 |
|
*/ |
613 |
|
if (present & 0x004000) |
614 |
|
in_uint8s(s, 1); |
615 |
|
|
616 |
|
if (present & 0x008000) |
617 |
|
in_uint8s(s, 1); |
618 |
|
|
619 |
|
if (present & 0x010000) |
620 |
|
{ |
621 |
|
in_uint8s(s, 1); /* guessing the length here */ |
622 |
|
warning("Unknown order state member (0x010000) in text2 order.\n"); |
623 |
|
} |
624 |
|
|
625 |
|
if (present & 0x020000) |
626 |
|
in_uint8s(s, 4); |
627 |
|
|
628 |
|
if (present & 0x040000) |
629 |
|
in_uint8s(s, 4); |
630 |
|
|
631 |
if (present & 0x080000) |
if (present & 0x080000) |
632 |
in_uint16_le(s, os->x); |
in_uint16_le(s, os->x); |
633 |
|
|
679 |
in_uint8p(s, data, bufsize); |
in_uint8p(s, data, bufsize); |
680 |
|
|
681 |
DEBUG(("RAW_BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx)); |
DEBUG(("RAW_BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx)); |
682 |
inverted = xmalloc(width * height * Bpp); |
inverted = (uint8 *) xmalloc(width * height * Bpp); |
683 |
for (y = 0; y < height; y++) |
for (y = 0; y < height; y++) |
684 |
{ |
{ |
685 |
memcpy(&inverted[(height - y - 1) * (width * Bpp)], &data[y * (width * Bpp)], width * Bpp); |
memcpy(&inverted[(height - y - 1) * (width * Bpp)], &data[y * (width * Bpp)], |
686 |
|
width * Bpp); |
687 |
} |
} |
688 |
|
|
689 |
bitmap = ui_create_bitmap(width, height, inverted); |
bitmap = ui_create_bitmap(width, height, inverted); |
690 |
xfree(inverted); |
xfree(inverted); |
691 |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
cache_put_bitmap(cache_id, cache_idx, bitmap, 0); |
692 |
} |
} |
693 |
|
|
694 |
/* Process a bitmap cache order */ |
/* Process a bitmap cache order */ |
699 |
uint16 cache_idx, size; |
uint16 cache_idx, size; |
700 |
uint8 cache_id, width, height, bpp, Bpp; |
uint8 cache_id, width, height, bpp, Bpp; |
701 |
uint8 *data, *bmpdata; |
uint8 *data, *bmpdata; |
702 |
|
uint16 bufsize, pad2, row_size, final_size; |
703 |
|
uint8 pad1; |
704 |
|
|
705 |
|
pad2 = row_size = final_size = 0xffff; /* Shut the compiler up */ |
706 |
|
|
707 |
in_uint8(s, cache_id); |
in_uint8(s, cache_id); |
708 |
in_uint8s(s, 1); /* pad */ |
in_uint8(s, pad1); /* pad */ |
709 |
in_uint8(s, width); |
in_uint8(s, width); |
710 |
in_uint8(s, height); |
in_uint8(s, height); |
711 |
in_uint8(s, bpp); |
in_uint8(s, bpp); |
712 |
Bpp = (bpp + 7) / 8; |
Bpp = (bpp + 7) / 8; |
713 |
in_uint8s(s, 2); /* bufsize */ |
in_uint16_le(s, bufsize); /* bufsize */ |
714 |
in_uint16_le(s, cache_idx); |
in_uint16_le(s, cache_idx); |
715 |
in_uint8s(s, 2); /* pad */ |
|
716 |
in_uint16_le(s, size); |
if (g_use_rdp5) |
717 |
in_uint8s(s, 4); /* row_size, final_size */ |
{ |
718 |
|
size = bufsize; |
719 |
|
} |
720 |
|
else |
721 |
|
{ |
722 |
|
|
723 |
|
/* Begin compressedBitmapData */ |
724 |
|
in_uint16_le(s, pad2); /* pad */ |
725 |
|
in_uint16_le(s, size); |
726 |
|
/* in_uint8s(s, 4); *//* row_size, final_size */ |
727 |
|
in_uint16_le(s, row_size); |
728 |
|
in_uint16_le(s, final_size); |
729 |
|
|
730 |
|
} |
731 |
in_uint8p(s, data, size); |
in_uint8p(s, data, size); |
732 |
|
|
733 |
DEBUG(("BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx)); |
DEBUG(("BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d,bpp=%d,size=%d,pad1=%d,bufsize=%d,pad2=%d,rs=%d,fs=%d)\n", width, height, cache_id, cache_idx, bpp, size, pad1, bufsize, pad2, row_size, final_size)); |
734 |
|
|
735 |
bmpdata = xmalloc(width * height * Bpp); |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
736 |
|
|
737 |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
738 |
{ |
{ |
739 |
bitmap = ui_create_bitmap(width, height, bmpdata); |
bitmap = ui_create_bitmap(width, height, bmpdata); |
740 |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
cache_put_bitmap(cache_id, cache_idx, bitmap, 0); |
741 |
|
} |
742 |
|
else |
743 |
|
{ |
744 |
|
DEBUG(("Failed to decompress bitmap data\n")); |
745 |
|
} |
746 |
|
|
747 |
|
xfree(bmpdata); |
748 |
|
} |
749 |
|
|
750 |
|
/* Process a bitmap cache v2 order */ |
751 |
|
static void |
752 |
|
process_bmpcache2(STREAM s, uint16 flags, BOOL compressed) |
753 |
|
{ |
754 |
|
HBITMAP bitmap; |
755 |
|
int y; |
756 |
|
uint8 cache_id, cache_idx_low, width, height, Bpp; |
757 |
|
uint16 cache_idx, bufsize; |
758 |
|
uint8 *data, *bmpdata, *bitmap_id; |
759 |
|
|
760 |
|
bitmap_id = NULL; /* prevent compiler warning */ |
761 |
|
cache_id = flags & ID_MASK; |
762 |
|
Bpp = ((flags & MODE_MASK) >> MODE_SHIFT) - 2; |
763 |
|
|
764 |
|
if (flags & PERSIST) |
765 |
|
{ |
766 |
|
in_uint8p(s, bitmap_id, 8); |
767 |
|
} |
768 |
|
|
769 |
|
if (flags & SQUARE) |
770 |
|
{ |
771 |
|
in_uint8(s, width); |
772 |
|
height = width; |
773 |
|
} |
774 |
|
else |
775 |
|
{ |
776 |
|
in_uint8(s, width); |
777 |
|
in_uint8(s, height); |
778 |
|
} |
779 |
|
|
780 |
|
in_uint16_be(s, bufsize); |
781 |
|
bufsize &= BUFSIZE_MASK; |
782 |
|
in_uint8(s, cache_idx); |
783 |
|
|
784 |
|
if (cache_idx & LONG_FORMAT) |
785 |
|
{ |
786 |
|
in_uint8(s, cache_idx_low); |
787 |
|
cache_idx = ((cache_idx ^ LONG_FORMAT) << 8) + cache_idx_low; |
788 |
|
} |
789 |
|
|
790 |
|
in_uint8p(s, data, bufsize); |
791 |
|
|
792 |
|
DEBUG(("BMPCACHE2(compr=%d,flags=%x,cx=%d,cy=%d,id=%d,idx=%d,Bpp=%d,bs=%d)\n", |
793 |
|
compressed, flags, width, height, cache_id, cache_idx, Bpp, bufsize)); |
794 |
|
|
795 |
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bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
796 |
|
|
797 |
|
if (compressed) |
798 |
|
{ |
799 |
|
if (!bitmap_decompress(bmpdata, width, height, data, bufsize, Bpp)) |
800 |
|
{ |
801 |
|
DEBUG(("Failed to decompress bitmap data\n")); |
802 |
|
xfree(bmpdata); |
803 |
|
return; |
804 |
|
} |
805 |
|
} |
806 |
|
else |
807 |
|
{ |
808 |
|
for (y = 0; y < height; y++) |
809 |
|
memcpy(&bmpdata[(height - y - 1) * (width * Bpp)], |
810 |
|
&data[y * (width * Bpp)], width * Bpp); |
811 |
|
} |
812 |
|
|
813 |
|
bitmap = ui_create_bitmap(width, height, bmpdata); |
814 |
|
|
815 |
|
if (bitmap) |
816 |
|
{ |
817 |
|
cache_put_bitmap(cache_id, cache_idx, bitmap, 0); |
818 |
|
if (flags & PERSIST) |
819 |
|
pstcache_put_bitmap(cache_id, cache_idx, bitmap_id, width, height, |
820 |
|
width * height * Bpp, bmpdata); |
821 |
|
} |
822 |
|
else |
823 |
|
{ |
824 |
|
DEBUG(("process_bmpcache2: ui_create_bitmap failed\n")); |
825 |
} |
} |
826 |
|
|
827 |
xfree(bmpdata); |
xfree(bmpdata); |
840 |
in_uint8(s, cache_id); |
in_uint8(s, cache_id); |
841 |
in_uint16_le(s, map.ncolours); |
in_uint16_le(s, map.ncolours); |
842 |
|
|
843 |
map.colours = xmalloc(3 * map.ncolours); |
map.colours = (COLOURENTRY *) xmalloc(sizeof(COLOURENTRY) * map.ncolours); |
844 |
|
|
845 |
for (i = 0; i < map.ncolours; i++) |
for (i = 0; i < map.ncolours; i++) |
846 |
{ |
{ |
894 |
static void |
static void |
895 |
process_secondary_order(STREAM s) |
process_secondary_order(STREAM s) |
896 |
{ |
{ |
897 |
|
/* The length isn't calculated correctly by the server. |
898 |
|
* For very compact orders the length becomes negative |
899 |
|
* so a signed integer must be used. */ |
900 |
uint16 length; |
uint16 length; |
901 |
|
uint16 flags; |
902 |
uint8 type; |
uint8 type; |
903 |
uint8 *next_order; |
uint8 *next_order; |
904 |
|
|
905 |
in_uint16_le(s, length); |
in_uint16_le(s, length); |
906 |
in_uint8s(s, 2); /* flags */ |
in_uint16_le(s, flags); /* used by bmpcache2 */ |
907 |
in_uint8(s, type); |
in_uint8(s, type); |
908 |
|
|
909 |
next_order = s->p + length + 7; |
next_order = s->p + (sint16) length + 7; |
910 |
|
|
911 |
switch (type) |
switch (type) |
912 |
{ |
{ |
926 |
process_fontcache(s); |
process_fontcache(s); |
927 |
break; |
break; |
928 |
|
|
929 |
|
case RDP_ORDER_RAW_BMPCACHE2: |
930 |
|
process_bmpcache2(s, flags, False); /* uncompressed */ |
931 |
|
break; |
932 |
|
|
933 |
|
case RDP_ORDER_BMPCACHE2: |
934 |
|
process_bmpcache2(s, flags, True); /* compressed */ |
935 |
|
break; |
936 |
|
|
937 |
default: |
default: |
938 |
unimpl("secondary order %d\n", type); |
unimpl("secondary order %d\n", type); |
939 |
} |
} |
943 |
|
|
944 |
/* Process an order PDU */ |
/* Process an order PDU */ |
945 |
void |
void |
946 |
process_orders(STREAM s) |
process_orders(STREAM s, uint16 num_orders) |
947 |
{ |
{ |
948 |
RDP_ORDER_STATE *os = &order_state; |
RDP_ORDER_STATE *os = &g_order_state; |
949 |
uint32 present; |
uint32 present; |
|
uint16 num_orders; |
|
950 |
uint8 order_flags; |
uint8 order_flags; |
951 |
int size, processed = 0; |
int size, processed = 0; |
952 |
BOOL delta; |
BOOL delta; |
953 |
|
|
|
in_uint8s(s, 2); /* pad */ |
|
|
in_uint16_le(s, num_orders); |
|
|
in_uint8s(s, 2); /* pad */ |
|
|
|
|
954 |
while (processed < num_orders) |
while (processed < num_orders) |
955 |
{ |
{ |
956 |
in_uint8(s, order_flags); |
in_uint8(s, order_flags); |
1058 |
|
|
1059 |
processed++; |
processed++; |
1060 |
} |
} |
1061 |
|
#if 0 |
1062 |
|
/* not true when RDP_COMPRESSION is set */ |
1063 |
|
if (s->p != g_next_packet) |
1064 |
|
error("%d bytes remaining\n", (int) (g_next_packet - s->p)); |
1065 |
|
#endif |
1066 |
|
|
|
if (s->p != next_packet) |
|
|
error("%d bytes remaining\n", (int) (next_packet - s->p)); |
|
1067 |
} |
} |
1068 |
|
|
1069 |
/* Reset order state */ |
/* Reset order state */ |
1070 |
void |
void |
1071 |
reset_order_state(void) |
reset_order_state(void) |
1072 |
{ |
{ |
1073 |
memset(&order_state, 0, sizeof(order_state)); |
memset(&g_order_state, 0, sizeof(g_order_state)); |
1074 |
order_state.order_type = RDP_ORDER_PATBLT; |
g_order_state.order_type = RDP_ORDER_PATBLT; |
1075 |
} |
} |