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/* |
/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
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RDP order processing |
RDP order processing |
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Copyright (C) Matthew Chapman 1999-2001 |
Copyright (C) Matthew Chapman 1999-2002 |
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This program is free software; you can redistribute it and/or modify |
This program is free software; you can redistribute it and/or modify |
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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 |
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extern uint8 *next_packet; |
extern uint8 *next_packet; |
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static RDP_ORDER_STATE order_state; |
static RDP_ORDER_STATE order_state; |
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extern BOOL use_rdp5; |
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/* Read field indicating which parameters are present */ |
/* Read field indicating which parameters are present */ |
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static void |
static void |
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/* Read a co-ordinate (16-bit, or 8-bit delta) */ |
/* Read a co-ordinate (16-bit, or 8-bit delta) */ |
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static void |
static void |
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rdp_in_coord(STREAM s, uint16 * coord, BOOL delta) |
rdp_in_coord(STREAM s, sint16 * coord, BOOL delta) |
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{ |
{ |
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uint8 change; |
sint8 change; |
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if (delta) |
if (delta) |
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{ |
{ |
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in_uint8(s, change); |
in_uint8(s, change); |
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*coord += (signed char) change; |
*coord += change; |
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} |
} |
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else |
else |
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{ |
{ |
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/* Read a colour entry */ |
/* Read a colour entry */ |
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static void |
static void |
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rdp_in_colour(STREAM s, uint8 * colour) |
rdp_in_colour(STREAM s, uint32 * colour) |
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{ |
{ |
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in_uint8(s, *colour); |
uint32 i; |
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s->p += 2; |
in_uint8(s, i); |
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*colour = i; |
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in_uint8(s, i); |
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*colour |= i << 8; |
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in_uint8(s, i); |
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*colour |= i << 16; |
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} |
} |
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/* Parse bounds information */ |
/* Parse bounds information */ |
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static void |
static void |
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process_rect(STREAM s, RECT_ORDER * os, uint32 present, BOOL delta) |
process_rect(STREAM s, RECT_ORDER * os, uint32 present, BOOL delta) |
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{ |
{ |
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uint32 i; |
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if (present & 0x01) |
if (present & 0x01) |
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rdp_in_coord(s, &os->x, delta); |
rdp_in_coord(s, &os->x, delta); |
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rdp_in_coord(s, &os->cy, delta); |
rdp_in_coord(s, &os->cy, delta); |
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if (present & 0x10) |
if (present & 0x10) |
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in_uint8(s, os->colour); |
{ |
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in_uint8(s, i); |
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os->colour = (os->colour & 0xffffff00) | i; |
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} |
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if (present & 0x20) |
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{ |
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in_uint8(s, i); |
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os->colour = (os->colour & 0xffff00ff) | (i << 8); |
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} |
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if (present & 0x40) |
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{ |
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in_uint8(s, i); |
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os->colour = (os->colour & 0xff00ffff) | (i << 16); |
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} |
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DEBUG(("RECT(x=%d,y=%d,cx=%d,cy=%d,fg=0x%x)\n", os->x, os->y, os->cx, os->cy, os->colour)); |
DEBUG(("RECT(x=%d,y=%d,cx=%d,cy=%d,fg=0x%x)\n", os->x, os->y, os->cx, os->cy, os->colour)); |
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if (present & 0x002000) |
if (present & 0x002000) |
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in_uint16_le(s, os->boxbottom); |
in_uint16_le(s, os->boxbottom); |
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if (present & 0x004000) /* fix for connecting to a server that */ |
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in_uint8s(s, 10); /* was disconnected with mstsc.exe */ |
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/* 0x008000, 0x020000, and 0x040000 are present too ??? */ |
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if (present & 0x080000) |
if (present & 0x080000) |
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in_uint16_le(s, os->x); |
in_uint16_le(s, os->x); |
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{ |
{ |
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HBITMAP bitmap; |
HBITMAP bitmap; |
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uint16 cache_idx, bufsize; |
uint16 cache_idx, bufsize; |
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uint8 cache_id, width, height, bpp; |
uint8 cache_id, width, height, bpp, Bpp; |
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uint8 *data, *inverted; |
uint8 *data, *inverted; |
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int y; |
int y; |
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in_uint8(s, width); |
in_uint8(s, width); |
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in_uint8(s, height); |
in_uint8(s, height); |
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in_uint8(s, bpp); |
in_uint8(s, bpp); |
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Bpp = (bpp + 7) / 8; |
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in_uint16_le(s, bufsize); |
in_uint16_le(s, bufsize); |
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in_uint16_le(s, cache_idx); |
in_uint16_le(s, cache_idx); |
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in_uint8p(s, data, bufsize); |
in_uint8p(s, data, bufsize); |
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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)); |
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inverted = xmalloc(width * height); |
inverted = xmalloc(width * height * Bpp); |
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for (y = 0; y < height; y++) |
for (y = 0; y < height; y++) |
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{ |
{ |
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memcpy(&inverted[(height - y - 1) * width], &data[y * width], width); |
memcpy(&inverted[(height - y - 1) * (width * Bpp)], &data[y * (width * Bpp)], |
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width * Bpp); |
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} |
} |
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bitmap = ui_create_bitmap(width, height, inverted); |
bitmap = ui_create_bitmap(width, height, inverted); |
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{ |
{ |
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HBITMAP bitmap; |
HBITMAP bitmap; |
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uint16 cache_idx, size; |
uint16 cache_idx, size; |
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uint8 cache_id, width, height, bpp; |
uint8 cache_id, width, height, bpp, Bpp; |
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uint8 *data, *bmpdata; |
uint8 *data, *bmpdata; |
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uint16 bufsize, pad2, row_size, final_size; |
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uint8 pad1; |
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pad2 = row_size = final_size = -1; /* Shut the compiler up */ |
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in_uint8(s, cache_id); |
in_uint8(s, cache_id); |
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in_uint8s(s, 1); /* pad */ |
in_uint8(s, pad1); /* pad */ |
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in_uint8(s, width); |
in_uint8(s, width); |
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in_uint8(s, height); |
in_uint8(s, height); |
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in_uint8(s, bpp); |
in_uint8(s, bpp); |
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in_uint8s(s, 2); /* bufsize */ |
Bpp = (bpp + 7) / 8; |
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in_uint16_le(s, bufsize); /* bufsize */ |
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in_uint16_le(s, cache_idx); |
in_uint16_le(s, cache_idx); |
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in_uint8s(s, 2); /* pad */ |
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in_uint16_le(s, size); |
if (!use_rdp5) { |
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in_uint8s(s, 4); /* row_size, final_size */ |
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/* Begin compressedBitmapData */ |
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in_uint16_le(s, pad2); /* pad */ |
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in_uint16_le(s, size); |
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// in_uint8s(s, 4); /* row_size, final_size */ |
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in_uint16_le(s, row_size); |
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in_uint16_le(s, final_size); |
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} else { |
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size = bufsize; |
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} |
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in_uint8p(s, data, size); |
in_uint8p(s, data, size); |
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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", |
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width, height, |
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cache_id, cache_idx, |
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bpp, size, pad1, bufsize, pad2, row_size, final_size)); |
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bmpdata = xmalloc(width * height); |
bmpdata = xmalloc(width * height * Bpp); |
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if (bitmap_decompress(bmpdata, width, height, data, size)) |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
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{ |
{ |
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bitmap = ui_create_bitmap(width, height, bmpdata); |
bitmap = ui_create_bitmap(width, height, bmpdata); |
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cache_put_bitmap(cache_id, cache_idx, bitmap); |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
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} |
} |
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else |
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{ |
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DEBUG(("Failed to decompress bitmap data\n")); |
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} |
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xfree(bmpdata); |
xfree(bmpdata); |
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} |
} |
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/* Process an order PDU */ |
/* Process an order PDU */ |
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void |
void |
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process_orders(STREAM s) |
process_orders(STREAM s, uint16 num_orders) |
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{ |
{ |
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RDP_ORDER_STATE *os = &order_state; |
RDP_ORDER_STATE *os = &order_state; |
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uint32 present; |
uint32 present; |
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uint16 num_orders; |
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uint8 order_flags; |
uint8 order_flags; |
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int size, processed = 0; |
int size, processed = 0; |
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BOOL delta; |
BOOL delta; |
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in_uint8s(s, 2); /* pad */ |
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in_uint16_le(s, num_orders); |
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in_uint8s(s, 2); /* pad */ |
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while (processed < num_orders) |
while (processed < num_orders) |
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{ |
{ |
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in_uint8(s, order_flags); |
in_uint8(s, order_flags); |
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/* Reset order state */ |
/* Reset order state */ |
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void |
void |
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reset_order_state() |
reset_order_state(void) |
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{ |
{ |
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memset(&order_state, 0, sizeof(order_state)); |
memset(&order_state, 0, sizeof(order_state)); |
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order_state.order_type = RDP_ORDER_PATBLT; |
order_state.order_type = RDP_ORDER_PATBLT; |