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FreeRDP/libfreerdp/core/orders.c
akallabeth 3ccb96d52f Fixed #7350: Warnings with Stream_StaticInit 
* Properly initialize the stream buffer
* Add Stream_StaticConstInit accepting a const buffer
* Modify API to return a pointer to the stream initialized
2021-10-14 12:11:16 +02:00

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Drawing Orders
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2016 Armin Novak <armin.novak@thincast.com>
* Copyright 2016 Thincast Technologies GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "window.h"
#include <winpr/wtypes.h>
#include <winpr/crt.h>
#include <freerdp/api.h>
#include <freerdp/log.h>
#include <freerdp/graphics.h>
#include <freerdp/codec/bitmap.h>
#include <freerdp/gdi/gdi.h>
#include "orders.h"
#include "../cache/glyph.h"
#include "../cache/bitmap.h"
#include "../cache/brush.h"
#include "../cache/cache.h"
#define TAG FREERDP_TAG("core.orders")
BYTE get_primary_drawing_order_field_bytes(UINT32 orderType, BOOL* pValid)
{
if (pValid)
*pValid = TRUE;
switch (orderType)
{
case 0:
return DSTBLT_ORDER_FIELD_BYTES;
case 1:
return PATBLT_ORDER_FIELD_BYTES;
case 2:
return SCRBLT_ORDER_FIELD_BYTES;
case 3:
return 0;
case 4:
return 0;
case 5:
return 0;
case 6:
return 0;
case 7:
return DRAW_NINE_GRID_ORDER_FIELD_BYTES;
case 8:
return MULTI_DRAW_NINE_GRID_ORDER_FIELD_BYTES;
case 9:
return LINE_TO_ORDER_FIELD_BYTES;
case 10:
return OPAQUE_RECT_ORDER_FIELD_BYTES;
case 11:
return SAVE_BITMAP_ORDER_FIELD_BYTES;
case 12:
return 0;
case 13:
return MEMBLT_ORDER_FIELD_BYTES;
case 14:
return MEM3BLT_ORDER_FIELD_BYTES;
case 15:
return MULTI_DSTBLT_ORDER_FIELD_BYTES;
case 16:
return MULTI_PATBLT_ORDER_FIELD_BYTES;
case 17:
return MULTI_SCRBLT_ORDER_FIELD_BYTES;
case 18:
return MULTI_OPAQUE_RECT_ORDER_FIELD_BYTES;
case 19:
return FAST_INDEX_ORDER_FIELD_BYTES;
case 20:
return POLYGON_SC_ORDER_FIELD_BYTES;
case 21:
return POLYGON_CB_ORDER_FIELD_BYTES;
case 22:
return POLYLINE_ORDER_FIELD_BYTES;
case 23:
return 0;
case 24:
return FAST_GLYPH_ORDER_FIELD_BYTES;
case 25:
return ELLIPSE_SC_ORDER_FIELD_BYTES;
case 26:
return ELLIPSE_CB_ORDER_FIELD_BYTES;
case 27:
return GLYPH_INDEX_ORDER_FIELD_BYTES;
default:
if (pValid)
*pValid = FALSE;
WLog_WARN(TAG, "Invalid orderType 0x%08X received", orderType);
return 0;
}
}
static BYTE get_cbr2_bpp(UINT32 bpp, BOOL* pValid)
{
if (pValid)
*pValid = TRUE;
switch (bpp)
{
case 3:
return 8;
case 4:
return 16;
case 5:
return 24;
case 6:
return 32;
default:
WLog_WARN(TAG, "Invalid bpp %" PRIu32, bpp);
if (pValid)
*pValid = FALSE;
return 0;
}
}
static BYTE get_bmf_bpp(UINT32 bmf, BOOL* pValid)
{
if (pValid)
*pValid = TRUE;
/* Mask out highest bit */
switch (bmf & (~CACHED_BRUSH))
{
case 1:
return 1;
case 3:
return 8;
case 4:
return 16;
case 5:
return 24;
case 6:
return 32;
default:
WLog_WARN(TAG, "Invalid bmf %" PRIu32, bmf);
if (pValid)
*pValid = FALSE;
return 0;
}
}
static BYTE get_bpp_bmf(UINT32 bpp, BOOL* pValid)
{
if (pValid)
*pValid = TRUE;
switch (bpp)
{
case 1:
return 1;
case 8:
return 3;
case 16:
return 4;
case 24:
return 5;
case 32:
return 6;
default:
WLog_WARN(TAG, "Invalid color depth %" PRIu32, bpp);
if (pValid)
*pValid = FALSE;
return 0;
}
}
static BOOL check_order_activated(wLog* log, rdpSettings* settings, const char* orderName,
BOOL condition, const char* extendedMessage)
{
if (!condition)
{
if (settings->AllowUnanouncedOrdersFromServer)
{
WLog_Print(log, WLOG_WARN,
"%s - SERVER BUG: The support for this feature was not announced!",
orderName);
if (extendedMessage)
WLog_Print(log, WLOG_WARN, "%s", extendedMessage);
return TRUE;
}
else
{
WLog_Print(log, WLOG_ERROR,
"%s - SERVER BUG: The support for this feature was not announced! Use "
"/relax-order-checks to ignore",
orderName);
if (extendedMessage)
WLog_Print(log, WLOG_WARN, "%s", extendedMessage);
return FALSE;
}
}
return TRUE;
}
static BOOL check_alt_order_supported(wLog* log, rdpSettings* settings, BYTE orderType,
const char* orderName)
{
const char* extendedMessage = NULL;
BOOL condition = FALSE;
switch (orderType)
{
case ORDER_TYPE_CREATE_OFFSCREEN_BITMAP:
case ORDER_TYPE_SWITCH_SURFACE:
condition = settings->OffscreenSupportLevel != 0;
extendedMessage = "Adding +offscreen-cache might mitigate";
break;
case ORDER_TYPE_CREATE_NINE_GRID_BITMAP:
condition = settings->DrawNineGridEnabled;
break;
case ORDER_TYPE_FRAME_MARKER:
condition = settings->FrameMarkerCommandEnabled;
break;
case ORDER_TYPE_GDIPLUS_FIRST:
case ORDER_TYPE_GDIPLUS_NEXT:
case ORDER_TYPE_GDIPLUS_END:
case ORDER_TYPE_GDIPLUS_CACHE_FIRST:
case ORDER_TYPE_GDIPLUS_CACHE_NEXT:
case ORDER_TYPE_GDIPLUS_CACHE_END:
condition = settings->DrawGdiPlusCacheEnabled;
break;
case ORDER_TYPE_WINDOW:
condition = settings->RemoteWndSupportLevel != WINDOW_LEVEL_NOT_SUPPORTED;
break;
case ORDER_TYPE_STREAM_BITMAP_FIRST:
case ORDER_TYPE_STREAM_BITMAP_NEXT:
case ORDER_TYPE_COMPDESK_FIRST:
condition = TRUE;
break;
default:
WLog_Print(log, WLOG_WARN, "%s - Alternate Secondary Drawing Order UNKNOWN", orderName);
condition = FALSE;
break;
}
return check_order_activated(log, settings, orderName, condition, extendedMessage);
}
static BOOL check_secondary_order_supported(wLog* log, rdpSettings* settings, BYTE orderType,
const char* orderName)
{
const char* extendedMessage = NULL;
BOOL condition = FALSE;
switch (orderType)
{
case ORDER_TYPE_BITMAP_UNCOMPRESSED:
case ORDER_TYPE_CACHE_BITMAP_COMPRESSED:
condition = settings->BitmapCacheEnabled;
extendedMessage = "Adding +bitmap-cache might mitigate";
break;
case ORDER_TYPE_BITMAP_UNCOMPRESSED_V2:
case ORDER_TYPE_BITMAP_COMPRESSED_V2:
condition = settings->BitmapCacheEnabled;
extendedMessage = "Adding +bitmap-cache might mitigate";
break;
case ORDER_TYPE_BITMAP_COMPRESSED_V3:
condition = settings->BitmapCacheV3Enabled;
extendedMessage = "Adding +bitmap-cache might mitigate";
break;
case ORDER_TYPE_CACHE_COLOR_TABLE:
condition = (settings->OrderSupport[NEG_MEMBLT_INDEX] ||
settings->OrderSupport[NEG_MEM3BLT_INDEX]);
break;
case ORDER_TYPE_CACHE_GLYPH:
{
switch (settings->GlyphSupportLevel)
{
case GLYPH_SUPPORT_PARTIAL:
case GLYPH_SUPPORT_FULL:
case GLYPH_SUPPORT_ENCODE:
condition = TRUE;
break;
case GLYPH_SUPPORT_NONE:
default:
condition = FALSE;
break;
}
}
break;
case ORDER_TYPE_CACHE_BRUSH:
condition = TRUE;
break;
default:
WLog_Print(log, WLOG_WARN, "SECONDARY ORDER %s not supported", orderName);
break;
}
return check_order_activated(log, settings, orderName, condition, extendedMessage);
}
static BOOL check_primary_order_supported(wLog* log, rdpSettings* settings, UINT32 orderType,
const char* orderName)
{
const char* extendedMessage = NULL;
BOOL condition = FALSE;
switch (orderType)
{
case ORDER_TYPE_DSTBLT:
condition = settings->OrderSupport[NEG_DSTBLT_INDEX];
break;
case ORDER_TYPE_SCRBLT:
condition = settings->OrderSupport[NEG_SCRBLT_INDEX];
break;
case ORDER_TYPE_DRAW_NINE_GRID:
condition = settings->OrderSupport[NEG_DRAWNINEGRID_INDEX];
break;
case ORDER_TYPE_MULTI_DRAW_NINE_GRID:
condition = settings->OrderSupport[NEG_MULTI_DRAWNINEGRID_INDEX];
break;
case ORDER_TYPE_LINE_TO:
condition = settings->OrderSupport[NEG_LINETO_INDEX];
break;
/* [MS-RDPEGDI] 2.2.2.2.1.1.2.5 OpaqueRect (OPAQUERECT_ORDER)
* suggests that PatBlt and OpaqueRect imply each other. */
case ORDER_TYPE_PATBLT:
case ORDER_TYPE_OPAQUE_RECT:
condition = settings->OrderSupport[NEG_OPAQUE_RECT_INDEX] ||
settings->OrderSupport[NEG_PATBLT_INDEX];
break;
case ORDER_TYPE_SAVE_BITMAP:
condition = settings->OrderSupport[NEG_SAVEBITMAP_INDEX];
break;
case ORDER_TYPE_MEMBLT:
condition = settings->OrderSupport[NEG_MEMBLT_INDEX];
break;
case ORDER_TYPE_MEM3BLT:
condition = settings->OrderSupport[NEG_MEM3BLT_INDEX];
break;
case ORDER_TYPE_MULTI_DSTBLT:
condition = settings->OrderSupport[NEG_MULTIDSTBLT_INDEX];
break;
case ORDER_TYPE_MULTI_PATBLT:
condition = settings->OrderSupport[NEG_MULTIPATBLT_INDEX];
break;
case ORDER_TYPE_MULTI_SCRBLT:
condition = settings->OrderSupport[NEG_MULTIDSTBLT_INDEX];
break;
case ORDER_TYPE_MULTI_OPAQUE_RECT:
condition = settings->OrderSupport[NEG_MULTIOPAQUERECT_INDEX];
break;
case ORDER_TYPE_FAST_INDEX:
condition = settings->OrderSupport[NEG_FAST_INDEX_INDEX];
break;
case ORDER_TYPE_POLYGON_SC:
condition = settings->OrderSupport[NEG_POLYGON_SC_INDEX];
break;
case ORDER_TYPE_POLYGON_CB:
condition = settings->OrderSupport[NEG_POLYGON_CB_INDEX];
break;
case ORDER_TYPE_POLYLINE:
condition = settings->OrderSupport[NEG_POLYLINE_INDEX];
break;
case ORDER_TYPE_FAST_GLYPH:
condition = settings->OrderSupport[NEG_FAST_GLYPH_INDEX];
break;
case ORDER_TYPE_ELLIPSE_SC:
condition = settings->OrderSupport[NEG_ELLIPSE_SC_INDEX];
break;
case ORDER_TYPE_ELLIPSE_CB:
condition = settings->OrderSupport[NEG_ELLIPSE_CB_INDEX];
break;
case ORDER_TYPE_GLYPH_INDEX:
condition = settings->OrderSupport[NEG_GLYPH_INDEX_INDEX];
break;
default:
WLog_Print(log, WLOG_WARN, "%s Primary Drawing Order not supported", orderName);
break;
}
return check_order_activated(log, settings, orderName, condition, extendedMessage);
}
static const char* primary_order_string(UINT32 orderType)
{
const char* orders[] = { "[0x%02" PRIx8 "] DstBlt",
"[0x%02" PRIx8 "] PatBlt",
"[0x%02" PRIx8 "] ScrBlt",
"[0x%02" PRIx8 "] UNUSED",
"[0x%02" PRIx8 "] UNUSED",
"[0x%02" PRIx8 "] UNUSED",
"[0x%02" PRIx8 "] UNUSED",
"[0x%02" PRIx8 "] DrawNineGrid",
"[0x%02" PRIx8 "] MultiDrawNineGrid",
"[0x%02" PRIx8 "] LineTo",
"[0x%02" PRIx8 "] OpaqueRect",
"[0x%02" PRIx8 "] SaveBitmap",
"[0x%02" PRIx8 "] UNUSED",
"[0x%02" PRIx8 "] MemBlt",
"[0x%02" PRIx8 "] Mem3Blt",
"[0x%02" PRIx8 "] MultiDstBlt",
"[0x%02" PRIx8 "] MultiPatBlt",
"[0x%02" PRIx8 "] MultiScrBlt",
"[0x%02" PRIx8 "] MultiOpaqueRect",
"[0x%02" PRIx8 "] FastIndex",
"[0x%02" PRIx8 "] PolygonSC",
"[0x%02" PRIx8 "] PolygonCB",
"[0x%02" PRIx8 "] Polyline",
"[0x%02" PRIx8 "] UNUSED",
"[0x%02" PRIx8 "] FastGlyph",
"[0x%02" PRIx8 "] EllipseSC",
"[0x%02" PRIx8 "] EllipseCB",
"[0x%02" PRIx8 "] GlyphIndex" };
const char* fmt = "[0x%02" PRIx8 "] UNKNOWN";
static char buffer[64] = { 0 };
if (orderType < ARRAYSIZE(orders))
fmt = orders[orderType];
sprintf_s(buffer, ARRAYSIZE(buffer), fmt, orderType);
return buffer;
}
static const char* secondary_order_string(UINT32 orderType)
{
const char* orders[] = { "[0x%02" PRIx8 "] Cache Bitmap",
"[0x%02" PRIx8 "] Cache Color Table",
"[0x%02" PRIx8 "] Cache Bitmap (Compressed)",
"[0x%02" PRIx8 "] Cache Glyph",
"[0x%02" PRIx8 "] Cache Bitmap V2",
"[0x%02" PRIx8 "] Cache Bitmap V2 (Compressed)",
"[0x%02" PRIx8 "] UNUSED",
"[0x%02" PRIx8 "] Cache Brush",
"[0x%02" PRIx8 "] Cache Bitmap V3" };
const char* fmt = "[0x%02" PRIx8 "] UNKNOWN";
static char buffer[64] = { 0 };
if (orderType < ARRAYSIZE(orders))
fmt = orders[orderType];
sprintf_s(buffer, ARRAYSIZE(buffer), fmt, orderType);
return buffer;
}
static const char* altsec_order_string(BYTE orderType)
{
const char* orders[] = {
"[0x%02" PRIx8 "] Switch Surface", "[0x%02" PRIx8 "] Create Offscreen Bitmap",
"[0x%02" PRIx8 "] Stream Bitmap First", "[0x%02" PRIx8 "] Stream Bitmap Next",
"[0x%02" PRIx8 "] Create NineGrid Bitmap", "[0x%02" PRIx8 "] Draw GDI+ First",
"[0x%02" PRIx8 "] Draw GDI+ Next", "[0x%02" PRIx8 "] Draw GDI+ End",
"[0x%02" PRIx8 "] Draw GDI+ Cache First", "[0x%02" PRIx8 "] Draw GDI+ Cache Next",
"[0x%02" PRIx8 "] Draw GDI+ Cache End", "[0x%02" PRIx8 "] Windowing",
"[0x%02" PRIx8 "] Desktop Composition", "[0x%02" PRIx8 "] Frame Marker"
};
const char* fmt = "[0x%02" PRIx8 "] UNKNOWN";
static char buffer[64] = { 0 };
if (orderType < ARRAYSIZE(orders))
fmt = orders[orderType];
sprintf_s(buffer, ARRAYSIZE(buffer), fmt, orderType);
return buffer;
}
static INLINE BOOL update_read_coord(wStream* s, INT32* coord, BOOL delta)
{
INT8 lsi8;
INT16 lsi16;
if (delta)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_INT8(s, lsi8);
*coord += lsi8;
}
else
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_INT16(s, lsi16);
*coord = lsi16;
}
return TRUE;
}
static INLINE BOOL update_write_coord(wStream* s, INT32 coord)
{
Stream_Write_UINT16(s, coord);
return TRUE;
}
static INLINE BOOL update_read_color(wStream* s, UINT32* color)
{
BYTE byte;
if (Stream_GetRemainingLength(s) < 3)
return FALSE;
*color = 0;
Stream_Read_UINT8(s, byte);
*color = (UINT32)byte;
Stream_Read_UINT8(s, byte);
*color |= ((UINT32)byte << 8) & 0xFF00;
Stream_Read_UINT8(s, byte);
*color |= ((UINT32)byte << 16) & 0xFF0000;
return TRUE;
}
static INLINE BOOL update_write_color(wStream* s, UINT32 color)
{
BYTE byte;
byte = (color & 0xFF);
Stream_Write_UINT8(s, byte);
byte = ((color >> 8) & 0xFF);
Stream_Write_UINT8(s, byte);
byte = ((color >> 16) & 0xFF);
Stream_Write_UINT8(s, byte);
return TRUE;
}
static INLINE BOOL update_read_colorref(wStream* s, UINT32* color)
{
BYTE byte;
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
*color = 0;
Stream_Read_UINT8(s, byte);
*color = byte;
Stream_Read_UINT8(s, byte);
*color |= ((UINT32)byte << 8);
Stream_Read_UINT8(s, byte);
*color |= ((UINT32)byte << 16);
Stream_Seek_UINT8(s);
return TRUE;
}
static INLINE BOOL update_read_color_quad(wStream* s, UINT32* color)
{
return update_read_colorref(s, color);
}
static INLINE void update_write_color_quad(wStream* s, UINT32 color)
{
BYTE byte;
byte = (color >> 16) & 0xFF;
Stream_Write_UINT8(s, byte);
byte = (color >> 8) & 0xFF;
Stream_Write_UINT8(s, byte);
byte = color & 0xFF;
Stream_Write_UINT8(s, byte);
}
static INLINE BOOL update_read_2byte_unsigned(wStream* s, UINT32* value)
{
BYTE byte;
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
if (byte & 0x80)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
*value = (byte & 0x7F) << 8;
Stream_Read_UINT8(s, byte);
*value |= byte;
}
else
{
*value = (byte & 0x7F);
}
return TRUE;
}
static INLINE BOOL update_write_2byte_unsigned(wStream* s, UINT32 value)
{
BYTE byte;
if (value > 0x7FFF)
return FALSE;
if (value >= 0x7F)
{
byte = ((value & 0x7F00) >> 8);
Stream_Write_UINT8(s, byte | 0x80);
byte = (value & 0xFF);
Stream_Write_UINT8(s, byte);
}
else
{
byte = (value & 0x7F);
Stream_Write_UINT8(s, byte);
}
return TRUE;
}
static INLINE BOOL update_read_2byte_signed(wStream* s, INT32* value)
{
BYTE byte;
BOOL negative;
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
negative = (byte & 0x40) ? TRUE : FALSE;
*value = (byte & 0x3F);
if (byte & 0x80)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
*value = (*value << 8) | byte;
}
if (negative)
*value *= -1;
return TRUE;
}
static INLINE BOOL update_write_2byte_signed(wStream* s, INT32 value)
{
BYTE byte;
BOOL negative = FALSE;
if (value < 0)
{
negative = TRUE;
value *= -1;
}
if (value > 0x3FFF)
return FALSE;
if (value >= 0x3F)
{
byte = ((value & 0x3F00) >> 8);
if (negative)
byte |= 0x40;
Stream_Write_UINT8(s, byte | 0x80);
byte = (value & 0xFF);
Stream_Write_UINT8(s, byte);
}
else
{
byte = (value & 0x3F);
if (negative)
byte |= 0x40;
Stream_Write_UINT8(s, byte);
}
return TRUE;
}
static INLINE BOOL update_read_4byte_unsigned(wStream* s, UINT32* value)
{
BYTE byte;
BYTE count;
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
count = (byte & 0xC0) >> 6;
if (Stream_GetRemainingLength(s) < count)
return FALSE;
switch (count)
{
case 0:
*value = (byte & 0x3F);
break;
case 1:
*value = (byte & 0x3F) << 8;
Stream_Read_UINT8(s, byte);
*value |= byte;
break;
case 2:
*value = (byte & 0x3F) << 16;
Stream_Read_UINT8(s, byte);
*value |= (byte << 8);
Stream_Read_UINT8(s, byte);
*value |= byte;
break;
case 3:
*value = (byte & 0x3F) << 24;
Stream_Read_UINT8(s, byte);
*value |= (byte << 16);
Stream_Read_UINT8(s, byte);
*value |= (byte << 8);
Stream_Read_UINT8(s, byte);
*value |= byte;
break;
default:
break;
}
return TRUE;
}
static INLINE BOOL update_write_4byte_unsigned(wStream* s, UINT32 value)
{
BYTE byte;
if (value <= 0x3F)
{
Stream_Write_UINT8(s, value);
}
else if (value <= 0x3FFF)
{
byte = (value >> 8) & 0x3F;
Stream_Write_UINT8(s, byte | 0x40);
byte = (value & 0xFF);
Stream_Write_UINT8(s, byte);
}
else if (value <= 0x3FFFFF)
{
byte = (value >> 16) & 0x3F;
Stream_Write_UINT8(s, byte | 0x80);
byte = (value >> 8) & 0xFF;
Stream_Write_UINT8(s, byte);
byte = (value & 0xFF);
Stream_Write_UINT8(s, byte);
}
else if (value <= 0x3FFFFFFF)
{
byte = (value >> 24) & 0x3F;
Stream_Write_UINT8(s, byte | 0xC0);
byte = (value >> 16) & 0xFF;
Stream_Write_UINT8(s, byte);
byte = (value >> 8) & 0xFF;
Stream_Write_UINT8(s, byte);
byte = (value & 0xFF);
Stream_Write_UINT8(s, byte);
}
else
return FALSE;
return TRUE;
}
static INLINE BOOL update_read_delta(wStream* s, INT32* value)
{
BYTE byte;
if (Stream_GetRemainingLength(s) < 1)
{
WLog_ERR(TAG, "Stream_GetRemainingLength(s) < 1");
return FALSE;
}
Stream_Read_UINT8(s, byte);
if (byte & 0x40)
*value = (byte | ~0x3F);
else
*value = (byte & 0x3F);
if (byte & 0x80)
{
if (Stream_GetRemainingLength(s) < 1)
{
WLog_ERR(TAG, "Stream_GetRemainingLength(s) < 1");
return FALSE;
}
Stream_Read_UINT8(s, byte);
*value = (*value << 8) | byte;
}
return TRUE;
}
#if 0
static INLINE void update_read_glyph_delta(wStream* s, UINT16* value)
{
BYTE byte;
Stream_Read_UINT8(s, byte);
if (byte == 0x80)
Stream_Read_UINT16(s, *value);
else
*value = (byte & 0x3F);
}
static INLINE void update_seek_glyph_delta(wStream* s)
{
BYTE byte;
Stream_Read_UINT8(s, byte);
if (byte & 0x80)
Stream_Seek_UINT8(s);
}
#endif
static INLINE BOOL update_read_brush(wStream* s, rdpBrush* brush, BYTE fieldFlags)
{
if (fieldFlags & ORDER_FIELD_01)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, brush->x);
}
if (fieldFlags & ORDER_FIELD_02)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, brush->y);
}
if (fieldFlags & ORDER_FIELD_03)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, brush->style);
}
if (fieldFlags & ORDER_FIELD_04)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, brush->hatch);
}
if (brush->style & CACHED_BRUSH)
{
BOOL rc;
brush->index = brush->hatch;
brush->bpp = get_bmf_bpp(brush->style, &rc);
if (!rc)
return FALSE;
if (brush->bpp == 0)
brush->bpp = 1;
}
if (fieldFlags & ORDER_FIELD_05)
{
if (Stream_GetRemainingLength(s) < 7)
return FALSE;
brush->data = (BYTE*)brush->p8x8;
Stream_Read_UINT8(s, brush->data[7]);
Stream_Read_UINT8(s, brush->data[6]);
Stream_Read_UINT8(s, brush->data[5]);
Stream_Read_UINT8(s, brush->data[4]);
Stream_Read_UINT8(s, brush->data[3]);
Stream_Read_UINT8(s, brush->data[2]);
Stream_Read_UINT8(s, brush->data[1]);
brush->data[0] = brush->hatch;
}
return TRUE;
}
static INLINE BOOL update_write_brush(wStream* s, rdpBrush* brush, BYTE fieldFlags)
{
if (fieldFlags & ORDER_FIELD_01)
{
Stream_Write_UINT8(s, brush->x);
}
if (fieldFlags & ORDER_FIELD_02)
{
Stream_Write_UINT8(s, brush->y);
}
if (fieldFlags & ORDER_FIELD_03)
{
Stream_Write_UINT8(s, brush->style);
}
if (brush->style & CACHED_BRUSH)
{
BOOL rc;
brush->hatch = brush->index;
brush->bpp = get_bmf_bpp(brush->style, &rc);
if (!rc)
return FALSE;
if (brush->bpp == 0)
brush->bpp = 1;
}
if (fieldFlags & ORDER_FIELD_04)
{
Stream_Write_UINT8(s, brush->hatch);
}
if (fieldFlags & ORDER_FIELD_05)
{
brush->data = (BYTE*)brush->p8x8;
Stream_Write_UINT8(s, brush->data[7]);
Stream_Write_UINT8(s, brush->data[6]);
Stream_Write_UINT8(s, brush->data[5]);
Stream_Write_UINT8(s, brush->data[4]);
Stream_Write_UINT8(s, brush->data[3]);
Stream_Write_UINT8(s, brush->data[2]);
Stream_Write_UINT8(s, brush->data[1]);
brush->data[0] = brush->hatch;
}
return TRUE;
}
static INLINE BOOL update_read_delta_rects(wStream* s, DELTA_RECT* rectangles, UINT32* nr)
{
UINT32 number = *nr;
UINT32 i;
BYTE flags = 0;
BYTE* zeroBits;
UINT32 zeroBitsSize;
if (number > 45)
{
WLog_WARN(TAG, "Invalid number of delta rectangles %" PRIu32, number);
return FALSE;
}
zeroBitsSize = ((number + 1) / 2);
if (Stream_GetRemainingLength(s) < zeroBitsSize)
return FALSE;
Stream_GetPointer(s, zeroBits);
Stream_Seek(s, zeroBitsSize);
ZeroMemory(rectangles, sizeof(DELTA_RECT) * number);
for (i = 0; i < number; i++)
{
if (i % 2 == 0)
flags = zeroBits[i / 2];
if ((~flags & 0x80) && !update_read_delta(s, &rectangles[i].left))
return FALSE;
if ((~flags & 0x40) && !update_read_delta(s, &rectangles[i].top))
return FALSE;
if (~flags & 0x20)
{
if (!update_read_delta(s, &rectangles[i].width))
return FALSE;
}
else if (i > 0)
rectangles[i].width = rectangles[i - 1].width;
else
rectangles[i].width = 0;
if (~flags & 0x10)
{
if (!update_read_delta(s, &rectangles[i].height))
return FALSE;
}
else if (i > 0)
rectangles[i].height = rectangles[i - 1].height;
else
rectangles[i].height = 0;
if (i > 0)
{
rectangles[i].left += rectangles[i - 1].left;
rectangles[i].top += rectangles[i - 1].top;
}
flags <<= 4;
}
return TRUE;
}
static INLINE BOOL update_read_delta_points(wStream* s, DELTA_POINT* points, int number, INT16 x,
INT16 y)
{
int i;
BYTE flags = 0;
BYTE* zeroBits;
UINT32 zeroBitsSize;
zeroBitsSize = ((number + 3) / 4);
if (Stream_GetRemainingLength(s) < zeroBitsSize)
{
WLog_ERR(TAG, "Stream_GetRemainingLength(s) < %" PRIu32 "", zeroBitsSize);
return FALSE;
}
Stream_GetPointer(s, zeroBits);
Stream_Seek(s, zeroBitsSize);
ZeroMemory(points, sizeof(DELTA_POINT) * number);
for (i = 0; i < number; i++)
{
if (i % 4 == 0)
flags = zeroBits[i / 4];
if ((~flags & 0x80) && !update_read_delta(s, &points[i].x))
{
WLog_ERR(TAG, "update_read_delta(x) failed");
return FALSE;
}
if ((~flags & 0x40) && !update_read_delta(s, &points[i].y))
{
WLog_ERR(TAG, "update_read_delta(y) failed");
return FALSE;
}
flags <<= 2;
}
return TRUE;
}
static BOOL order_field_flag_is_set(const ORDER_INFO* orderInfo, BYTE number)
{
const UINT32 mask = (1UL << ((UINT32)number - 1UL));
const BOOL set = (orderInfo->fieldFlags & mask) != 0;
return set;
}
static INLINE BOOL read_order_field_byte(const ORDER_INFO* orderInfo, wStream* s, BYTE number,
UINT32* target, BOOL optional)
{
if (!order_field_flag_is_set(orderInfo, number))
return TRUE;
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, *target);
return TRUE;
}
static INLINE BOOL read_order_field_2bytes(const ORDER_INFO* orderInfo, wStream* s, BYTE number,
UINT32* target1, UINT32* target2, BOOL optional)
{
if (!order_field_flag_is_set(orderInfo, number))
return TRUE;
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT8(s, *target1);
Stream_Read_UINT8(s, *target2);
return TRUE;
}
static INLINE BOOL read_order_field_uint16(const ORDER_INFO* orderInfo, wStream* s, BYTE number,
UINT32* target, BOOL optional)
{
if (!order_field_flag_is_set(orderInfo, number))
return TRUE;
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, *target);
return TRUE;
}
static INLINE BOOL read_order_field_int16(const ORDER_INFO* orderInfo, wStream* s, BYTE number,
INT32* target, BOOL optional)
{
if (!order_field_flag_is_set(orderInfo, number))
return TRUE;
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_INT16(s, *target);
return TRUE;
}
static INLINE BOOL read_order_field_uint32(const ORDER_INFO* orderInfo, wStream* s, BYTE number,
UINT32* target, BOOL optional)
{
if (!order_field_flag_is_set(orderInfo, number))
return TRUE;
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, *target);
return TRUE;
}
static INLINE BOOL read_order_field_coord(const ORDER_INFO* orderInfo, wStream* s, UINT32 NO,
INT32* TARGET, BOOL optional)
{
if (!TARGET || !orderInfo)
return FALSE;
if (!order_field_flag_is_set(orderInfo, NO))
return TRUE;
return update_read_coord(s, TARGET, orderInfo->deltaCoordinates);
}
static INLINE BOOL read_order_field_color(const ORDER_INFO* orderInfo, wStream* s, UINT32 NO,
UINT32* TARGET, BOOL optional)
{
if (!TARGET || !orderInfo)
return FALSE;
if (!order_field_flag_is_set(orderInfo, NO))
return TRUE;
if (!update_read_color(s, TARGET))
return FALSE;
return TRUE;
}
static INLINE BOOL FIELD_SKIP_BUFFER16(wStream* s, UINT32 TARGET_LEN)
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, TARGET_LEN);
if (!Stream_SafeSeek(s, TARGET_LEN))
{
WLog_ERR(TAG, "error skipping %" PRIu32 " bytes", TARGET_LEN);
return FALSE;
}
return TRUE;
}
/* Primary Drawing Orders */
static BOOL update_read_dstblt_order(wStream* s, const ORDER_INFO* orderInfo, DSTBLT_ORDER* dstblt)
{
if (read_order_field_coord(orderInfo, s, 1, &dstblt->nLeftRect, FALSE) &&
read_order_field_coord(orderInfo, s, 2, &dstblt->nTopRect, FALSE) &&
read_order_field_coord(orderInfo, s, 3, &dstblt->nWidth, FALSE) &&
read_order_field_coord(orderInfo, s, 4, &dstblt->nHeight, FALSE) &&
read_order_field_byte(orderInfo, s, 5, &dstblt->bRop, TRUE))
return TRUE;
return FALSE;
}
int update_approximate_dstblt_order(ORDER_INFO* orderInfo, const DSTBLT_ORDER* dstblt)
{
return 32;
}
BOOL update_write_dstblt_order(wStream* s, ORDER_INFO* orderInfo, const DSTBLT_ORDER* dstblt)
{
if (!Stream_EnsureRemainingCapacity(s, update_approximate_dstblt_order(orderInfo, dstblt)))
return FALSE;
orderInfo->fieldFlags = 0;
orderInfo->fieldFlags |= ORDER_FIELD_01;
update_write_coord(s, dstblt->nLeftRect);
orderInfo->fieldFlags |= ORDER_FIELD_02;
update_write_coord(s, dstblt->nTopRect);
orderInfo->fieldFlags |= ORDER_FIELD_03;
update_write_coord(s, dstblt->nWidth);
orderInfo->fieldFlags |= ORDER_FIELD_04;
update_write_coord(s, dstblt->nHeight);
orderInfo->fieldFlags |= ORDER_FIELD_05;
Stream_Write_UINT8(s, dstblt->bRop);
return TRUE;
}
static BOOL update_read_patblt_order(wStream* s, const ORDER_INFO* orderInfo, PATBLT_ORDER* patblt)
{
if (read_order_field_coord(orderInfo, s, 1, &patblt->nLeftRect, FALSE) &&
read_order_field_coord(orderInfo, s, 2, &patblt->nTopRect, FALSE) &&
read_order_field_coord(orderInfo, s, 3, &patblt->nWidth, FALSE) &&
read_order_field_coord(orderInfo, s, 4, &patblt->nHeight, FALSE) &&
read_order_field_byte(orderInfo, s, 5, &patblt->bRop, TRUE) &&
read_order_field_color(orderInfo, s, 6, &patblt->backColor, TRUE) &&
read_order_field_color(orderInfo, s, 7, &patblt->foreColor, TRUE) &&
update_read_brush(s, &patblt->brush, orderInfo->fieldFlags >> 7))
return TRUE;
return FALSE;
}
int update_approximate_patblt_order(ORDER_INFO* orderInfo, PATBLT_ORDER* patblt)
{
return 32;
}
BOOL update_write_patblt_order(wStream* s, ORDER_INFO* orderInfo, PATBLT_ORDER* patblt)
{
if (!Stream_EnsureRemainingCapacity(s, update_approximate_patblt_order(orderInfo, patblt)))
return FALSE;
orderInfo->fieldFlags = 0;
orderInfo->fieldFlags |= ORDER_FIELD_01;
update_write_coord(s, patblt->nLeftRect);
orderInfo->fieldFlags |= ORDER_FIELD_02;
update_write_coord(s, patblt->nTopRect);
orderInfo->fieldFlags |= ORDER_FIELD_03;
update_write_coord(s, patblt->nWidth);
orderInfo->fieldFlags |= ORDER_FIELD_04;
update_write_coord(s, patblt->nHeight);
orderInfo->fieldFlags |= ORDER_FIELD_05;
Stream_Write_UINT8(s, patblt->bRop);
orderInfo->fieldFlags |= ORDER_FIELD_06;
update_write_color(s, patblt->backColor);
orderInfo->fieldFlags |= ORDER_FIELD_07;
update_write_color(s, patblt->foreColor);
orderInfo->fieldFlags |= ORDER_FIELD_08;
orderInfo->fieldFlags |= ORDER_FIELD_09;
orderInfo->fieldFlags |= ORDER_FIELD_10;
orderInfo->fieldFlags |= ORDER_FIELD_11;
orderInfo->fieldFlags |= ORDER_FIELD_12;
update_write_brush(s, &patblt->brush, orderInfo->fieldFlags >> 7);
return TRUE;
}
static BOOL update_read_scrblt_order(wStream* s, const ORDER_INFO* orderInfo, SCRBLT_ORDER* scrblt)
{
if (read_order_field_coord(orderInfo, s, 1, &scrblt->nLeftRect, FALSE) &&
read_order_field_coord(orderInfo, s, 2, &scrblt->nTopRect, FALSE) &&
read_order_field_coord(orderInfo, s, 3, &scrblt->nWidth, FALSE) &&
read_order_field_coord(orderInfo, s, 4, &scrblt->nHeight, FALSE) &&
read_order_field_byte(orderInfo, s, 5, &scrblt->bRop, TRUE) &&
read_order_field_coord(orderInfo, s, 6, &scrblt->nXSrc, FALSE) &&
read_order_field_coord(orderInfo, s, 7, &scrblt->nYSrc, FALSE))
return TRUE;
return FALSE;
}
int update_approximate_scrblt_order(ORDER_INFO* orderInfo, const SCRBLT_ORDER* scrblt)
{
return 32;
}
BOOL update_write_scrblt_order(wStream* s, ORDER_INFO* orderInfo, const SCRBLT_ORDER* scrblt)
{
if (!Stream_EnsureRemainingCapacity(s, update_approximate_scrblt_order(orderInfo, scrblt)))
return FALSE;
orderInfo->fieldFlags = 0;
orderInfo->fieldFlags |= ORDER_FIELD_01;
update_write_coord(s, scrblt->nLeftRect);
orderInfo->fieldFlags |= ORDER_FIELD_02;
update_write_coord(s, scrblt->nTopRect);
orderInfo->fieldFlags |= ORDER_FIELD_03;
update_write_coord(s, scrblt->nWidth);
orderInfo->fieldFlags |= ORDER_FIELD_04;
update_write_coord(s, scrblt->nHeight);
orderInfo->fieldFlags |= ORDER_FIELD_05;
Stream_Write_UINT8(s, scrblt->bRop);
orderInfo->fieldFlags |= ORDER_FIELD_06;
update_write_coord(s, scrblt->nXSrc);
orderInfo->fieldFlags |= ORDER_FIELD_07;
update_write_coord(s, scrblt->nYSrc);
return TRUE;
}
static BOOL update_read_opaque_rect_order(wStream* s, const ORDER_INFO* orderInfo,
OPAQUE_RECT_ORDER* opaque_rect)
{
BYTE byte;
if (!read_order_field_coord(orderInfo, s, 1, &opaque_rect->nLeftRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 2, &opaque_rect->nTopRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 3, &opaque_rect->nWidth, FALSE) ||
!read_order_field_coord(orderInfo, s, 4, &opaque_rect->nHeight, FALSE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_05) != 0)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
opaque_rect->color = (opaque_rect->color & 0x00FFFF00) | ((UINT32)byte);
}
if ((orderInfo->fieldFlags & ORDER_FIELD_06) != 0)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
opaque_rect->color = (opaque_rect->color & 0x00FF00FF) | ((UINT32)byte << 8);
}
if ((orderInfo->fieldFlags & ORDER_FIELD_07) != 0)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
opaque_rect->color = (opaque_rect->color & 0x0000FFFF) | ((UINT32)byte << 16);
}
return TRUE;
}
int update_approximate_opaque_rect_order(ORDER_INFO* orderInfo,
const OPAQUE_RECT_ORDER* opaque_rect)
{
return 32;
}
BOOL update_write_opaque_rect_order(wStream* s, ORDER_INFO* orderInfo,
const OPAQUE_RECT_ORDER* opaque_rect)
{
BYTE byte;
int inf = update_approximate_opaque_rect_order(orderInfo, opaque_rect);
if (!Stream_EnsureRemainingCapacity(s, inf))
return FALSE;
// TODO: Color format conversion
orderInfo->fieldFlags = 0;
orderInfo->fieldFlags |= ORDER_FIELD_01;
update_write_coord(s, opaque_rect->nLeftRect);
orderInfo->fieldFlags |= ORDER_FIELD_02;
update_write_coord(s, opaque_rect->nTopRect);
orderInfo->fieldFlags |= ORDER_FIELD_03;
update_write_coord(s, opaque_rect->nWidth);
orderInfo->fieldFlags |= ORDER_FIELD_04;
update_write_coord(s, opaque_rect->nHeight);
orderInfo->fieldFlags |= ORDER_FIELD_05;
byte = opaque_rect->color & 0x000000FF;
Stream_Write_UINT8(s, byte);
orderInfo->fieldFlags |= ORDER_FIELD_06;
byte = (opaque_rect->color & 0x0000FF00) >> 8;
Stream_Write_UINT8(s, byte);
orderInfo->fieldFlags |= ORDER_FIELD_07;
byte = (opaque_rect->color & 0x00FF0000) >> 16;
Stream_Write_UINT8(s, byte);
return TRUE;
}
static BOOL update_read_draw_nine_grid_order(wStream* s, const ORDER_INFO* orderInfo,
DRAW_NINE_GRID_ORDER* draw_nine_grid)
{
if (read_order_field_coord(orderInfo, s, 1, &draw_nine_grid->srcLeft, FALSE) &&
read_order_field_coord(orderInfo, s, 2, &draw_nine_grid->srcTop, FALSE) &&
read_order_field_coord(orderInfo, s, 3, &draw_nine_grid->srcRight, FALSE) &&
read_order_field_coord(orderInfo, s, 4, &draw_nine_grid->srcBottom, FALSE) &&
read_order_field_uint16(orderInfo, s, 5, &draw_nine_grid->bitmapId, FALSE))
return TRUE;
return FALSE;
}
static BOOL update_read_multi_dstblt_order(wStream* s, const ORDER_INFO* orderInfo,
MULTI_DSTBLT_ORDER* multi_dstblt)
{
if (!read_order_field_coord(orderInfo, s, 1, &multi_dstblt->nLeftRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 2, &multi_dstblt->nTopRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 3, &multi_dstblt->nWidth, FALSE) ||
!read_order_field_coord(orderInfo, s, 4, &multi_dstblt->nHeight, FALSE) ||
!read_order_field_byte(orderInfo, s, 5, &multi_dstblt->bRop, TRUE) ||
!read_order_field_byte(orderInfo, s, 6, &multi_dstblt->numRectangles, TRUE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_07) != 0)
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, multi_dstblt->cbData);
return update_read_delta_rects(s, multi_dstblt->rectangles, &multi_dstblt->numRectangles);
}
return TRUE;
}
static BOOL update_read_multi_patblt_order(wStream* s, const ORDER_INFO* orderInfo,
MULTI_PATBLT_ORDER* multi_patblt)
{
if (!read_order_field_coord(orderInfo, s, 1, &multi_patblt->nLeftRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 2, &multi_patblt->nTopRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 3, &multi_patblt->nWidth, FALSE) ||
!read_order_field_coord(orderInfo, s, 4, &multi_patblt->nHeight, FALSE) ||
!read_order_field_byte(orderInfo, s, 5, &multi_patblt->bRop, TRUE) ||
!read_order_field_color(orderInfo, s, 6, &multi_patblt->backColor, TRUE) ||
!read_order_field_color(orderInfo, s, 7, &multi_patblt->foreColor, TRUE))
return FALSE;
if (!update_read_brush(s, &multi_patblt->brush, orderInfo->fieldFlags >> 7))
return FALSE;
if (!read_order_field_byte(orderInfo, s, 13, &multi_patblt->numRectangles, TRUE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_14) != 0)
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, multi_patblt->cbData);
if (!update_read_delta_rects(s, multi_patblt->rectangles, &multi_patblt->numRectangles))
return FALSE;
}
return TRUE;
}
static BOOL update_read_multi_scrblt_order(wStream* s, const ORDER_INFO* orderInfo,
MULTI_SCRBLT_ORDER* multi_scrblt)
{
if (!read_order_field_coord(orderInfo, s, 1, &multi_scrblt->nLeftRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 2, &multi_scrblt->nTopRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 3, &multi_scrblt->nWidth, FALSE) ||
!read_order_field_coord(orderInfo, s, 4, &multi_scrblt->nHeight, FALSE) ||
!read_order_field_byte(orderInfo, s, 5, &multi_scrblt->bRop, TRUE) ||
!read_order_field_coord(orderInfo, s, 6, &multi_scrblt->nXSrc, FALSE) ||
!read_order_field_coord(orderInfo, s, 7, &multi_scrblt->nYSrc, FALSE) ||
!read_order_field_byte(orderInfo, s, 8, &multi_scrblt->numRectangles, TRUE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_09) != 0)
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, multi_scrblt->cbData);
return update_read_delta_rects(s, multi_scrblt->rectangles, &multi_scrblt->numRectangles);
}
return TRUE;
}
static BOOL update_read_multi_opaque_rect_order(wStream* s, const ORDER_INFO* orderInfo,
MULTI_OPAQUE_RECT_ORDER* multi_opaque_rect)
{
BYTE byte;
if (!read_order_field_coord(orderInfo, s, 1, &multi_opaque_rect->nLeftRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 2, &multi_opaque_rect->nTopRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 3, &multi_opaque_rect->nWidth, FALSE) ||
!read_order_field_coord(orderInfo, s, 4, &multi_opaque_rect->nHeight, FALSE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_05) != 0)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
multi_opaque_rect->color = (multi_opaque_rect->color & 0x00FFFF00) | ((UINT32)byte);
}
if ((orderInfo->fieldFlags & ORDER_FIELD_06) != 0)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
multi_opaque_rect->color = (multi_opaque_rect->color & 0x00FF00FF) | ((UINT32)byte << 8);
}
if ((orderInfo->fieldFlags & ORDER_FIELD_07) != 0)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, byte);
multi_opaque_rect->color = (multi_opaque_rect->color & 0x0000FFFF) | ((UINT32)byte << 16);
}
if (!read_order_field_byte(orderInfo, s, 8, &multi_opaque_rect->numRectangles, TRUE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_09) != 0)
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, multi_opaque_rect->cbData);
return update_read_delta_rects(s, multi_opaque_rect->rectangles,
&multi_opaque_rect->numRectangles);
}
return TRUE;
}
static BOOL update_read_multi_draw_nine_grid_order(wStream* s, const ORDER_INFO* orderInfo,
MULTI_DRAW_NINE_GRID_ORDER* multi_draw_nine_grid)
{
if (!read_order_field_coord(orderInfo, s, 1, &multi_draw_nine_grid->srcLeft, FALSE) ||
!read_order_field_coord(orderInfo, s, 2, &multi_draw_nine_grid->srcTop, FALSE) ||
!read_order_field_coord(orderInfo, s, 3, &multi_draw_nine_grid->srcRight, FALSE) ||
!read_order_field_coord(orderInfo, s, 4, &multi_draw_nine_grid->srcBottom, FALSE) ||
!read_order_field_uint16(orderInfo, s, 5, &multi_draw_nine_grid->bitmapId, TRUE) ||
!read_order_field_byte(orderInfo, s, 6, &multi_draw_nine_grid->nDeltaEntries, TRUE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_07) != 0)
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, multi_draw_nine_grid->cbData);
return update_read_delta_rects(s, multi_draw_nine_grid->rectangles,
&multi_draw_nine_grid->nDeltaEntries);
}
return TRUE;
}
static BOOL update_read_line_to_order(wStream* s, const ORDER_INFO* orderInfo,
LINE_TO_ORDER* line_to)
{
if (read_order_field_uint16(orderInfo, s, 1, &line_to->backMode, TRUE) &&
read_order_field_coord(orderInfo, s, 2, &line_to->nXStart, FALSE) &&
read_order_field_coord(orderInfo, s, 3, &line_to->nYStart, FALSE) &&
read_order_field_coord(orderInfo, s, 4, &line_to->nXEnd, FALSE) &&
read_order_field_coord(orderInfo, s, 5, &line_to->nYEnd, FALSE) &&
read_order_field_color(orderInfo, s, 6, &line_to->backColor, TRUE) &&
read_order_field_byte(orderInfo, s, 7, &line_to->bRop2, TRUE) &&
read_order_field_byte(orderInfo, s, 8, &line_to->penStyle, TRUE) &&
read_order_field_byte(orderInfo, s, 9, &line_to->penWidth, TRUE) &&
read_order_field_color(orderInfo, s, 10, &line_to->penColor, TRUE))
return TRUE;
return FALSE;
}
int update_approximate_line_to_order(ORDER_INFO* orderInfo, const LINE_TO_ORDER* line_to)
{
return 32;
}
BOOL update_write_line_to_order(wStream* s, ORDER_INFO* orderInfo, const LINE_TO_ORDER* line_to)
{
if (!Stream_EnsureRemainingCapacity(s, update_approximate_line_to_order(orderInfo, line_to)))
return FALSE;
orderInfo->fieldFlags = 0;
orderInfo->fieldFlags |= ORDER_FIELD_01;
Stream_Write_UINT16(s, line_to->backMode);
orderInfo->fieldFlags |= ORDER_FIELD_02;
update_write_coord(s, line_to->nXStart);
orderInfo->fieldFlags |= ORDER_FIELD_03;
update_write_coord(s, line_to->nYStart);
orderInfo->fieldFlags |= ORDER_FIELD_04;
update_write_coord(s, line_to->nXEnd);
orderInfo->fieldFlags |= ORDER_FIELD_05;
update_write_coord(s, line_to->nYEnd);
orderInfo->fieldFlags |= ORDER_FIELD_06;
update_write_color(s, line_to->backColor);
orderInfo->fieldFlags |= ORDER_FIELD_07;
Stream_Write_UINT8(s, line_to->bRop2);
orderInfo->fieldFlags |= ORDER_FIELD_08;
Stream_Write_UINT8(s, line_to->penStyle);
orderInfo->fieldFlags |= ORDER_FIELD_09;
Stream_Write_UINT8(s, line_to->penWidth);
orderInfo->fieldFlags |= ORDER_FIELD_10;
update_write_color(s, line_to->penColor);
return TRUE;
}
static BOOL update_read_polyline_order(wStream* s, const ORDER_INFO* orderInfo,
POLYLINE_ORDER* polyline)
{
UINT32 word;
UINT32 new_num = polyline->numDeltaEntries;
if (!read_order_field_coord(orderInfo, s, 1, &polyline->xStart, FALSE) ||
!read_order_field_coord(orderInfo, s, 2, &polyline->yStart, FALSE) ||
!read_order_field_byte(orderInfo, s, 3, &polyline->bRop2, TRUE) ||
!read_order_field_uint16(orderInfo, s, 4, &word, TRUE) ||
!read_order_field_color(orderInfo, s, 5, &polyline->penColor, TRUE) ||
!read_order_field_byte(orderInfo, s, 6, &new_num, TRUE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_07) != 0)
{
DELTA_POINT* new_points;
if (new_num == 0)
return FALSE;
if (Stream_GetRemainingLength(s) < 1)
{
WLog_ERR(TAG, "Stream_GetRemainingLength(s) < 1");
return FALSE;
}
Stream_Read_UINT8(s, polyline->cbData);
new_points = (DELTA_POINT*)realloc(polyline->points, sizeof(DELTA_POINT) * new_num);
if (!new_points)
{
WLog_ERR(TAG, "realloc(%" PRIu32 ") failed", new_num);
return FALSE;
}
polyline->points = new_points;
polyline->numDeltaEntries = new_num;
return update_read_delta_points(s, polyline->points, polyline->numDeltaEntries,
polyline->xStart, polyline->yStart);
}
return TRUE;
}
static BOOL update_read_memblt_order(wStream* s, const ORDER_INFO* orderInfo, MEMBLT_ORDER* memblt)
{
if (!s || !orderInfo || !memblt)
return FALSE;
if (!read_order_field_uint16(orderInfo, s, 1, &memblt->cacheId, TRUE) ||
!read_order_field_coord(orderInfo, s, 2, &memblt->nLeftRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 3, &memblt->nTopRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 4, &memblt->nWidth, FALSE) ||
!read_order_field_coord(orderInfo, s, 5, &memblt->nHeight, FALSE) ||
!read_order_field_byte(orderInfo, s, 6, &memblt->bRop, TRUE) ||
!read_order_field_coord(orderInfo, s, 7, &memblt->nXSrc, FALSE) ||
!read_order_field_coord(orderInfo, s, 8, &memblt->nYSrc, FALSE) ||
!read_order_field_uint16(orderInfo, s, 9, &memblt->cacheIndex, TRUE))
return FALSE;
memblt->colorIndex = (memblt->cacheId >> 8);
memblt->cacheId = (memblt->cacheId & 0xFF);
memblt->bitmap = NULL;
return TRUE;
}
int update_approximate_memblt_order(ORDER_INFO* orderInfo, const MEMBLT_ORDER* memblt)
{
return 64;
}
BOOL update_write_memblt_order(wStream* s, ORDER_INFO* orderInfo, const MEMBLT_ORDER* memblt)
{
UINT16 cacheId;
if (!Stream_EnsureRemainingCapacity(s, update_approximate_memblt_order(orderInfo, memblt)))
return FALSE;
cacheId = (memblt->cacheId & 0xFF) | ((memblt->colorIndex & 0xFF) << 8);
orderInfo->fieldFlags |= ORDER_FIELD_01;
Stream_Write_UINT16(s, cacheId);
orderInfo->fieldFlags |= ORDER_FIELD_02;
update_write_coord(s, memblt->nLeftRect);
orderInfo->fieldFlags |= ORDER_FIELD_03;
update_write_coord(s, memblt->nTopRect);
orderInfo->fieldFlags |= ORDER_FIELD_04;
update_write_coord(s, memblt->nWidth);
orderInfo->fieldFlags |= ORDER_FIELD_05;
update_write_coord(s, memblt->nHeight);
orderInfo->fieldFlags |= ORDER_FIELD_06;
Stream_Write_UINT8(s, memblt->bRop);
orderInfo->fieldFlags |= ORDER_FIELD_07;
update_write_coord(s, memblt->nXSrc);
orderInfo->fieldFlags |= ORDER_FIELD_08;
update_write_coord(s, memblt->nYSrc);
orderInfo->fieldFlags |= ORDER_FIELD_09;
Stream_Write_UINT16(s, memblt->cacheIndex);
return TRUE;
}
static BOOL update_read_mem3blt_order(wStream* s, const ORDER_INFO* orderInfo,
MEM3BLT_ORDER* mem3blt)
{
if (!read_order_field_uint16(orderInfo, s, 1, &mem3blt->cacheId, TRUE) ||
!read_order_field_coord(orderInfo, s, 2, &mem3blt->nLeftRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 3, &mem3blt->nTopRect, FALSE) ||
!read_order_field_coord(orderInfo, s, 4, &mem3blt->nWidth, FALSE) ||
!read_order_field_coord(orderInfo, s, 5, &mem3blt->nHeight, FALSE) ||
!read_order_field_byte(orderInfo, s, 6, &mem3blt->bRop, TRUE) ||
!read_order_field_coord(orderInfo, s, 7, &mem3blt->nXSrc, FALSE) ||
!read_order_field_coord(orderInfo, s, 8, &mem3blt->nYSrc, FALSE) ||
!read_order_field_color(orderInfo, s, 9, &mem3blt->backColor, TRUE) ||
!read_order_field_color(orderInfo, s, 10, &mem3blt->foreColor, TRUE))
return FALSE;
if (!update_read_brush(s, &mem3blt->brush, orderInfo->fieldFlags >> 10) ||
!read_order_field_uint16(orderInfo, s, 16, &mem3blt->cacheIndex, TRUE))
return FALSE;
mem3blt->colorIndex = (mem3blt->cacheId >> 8);
mem3blt->cacheId = (mem3blt->cacheId & 0xFF);
mem3blt->bitmap = NULL;
return TRUE;
}
static BOOL update_read_save_bitmap_order(wStream* s, const ORDER_INFO* orderInfo,
SAVE_BITMAP_ORDER* save_bitmap)
{
if (read_order_field_uint32(orderInfo, s, 1, &save_bitmap->savedBitmapPosition, TRUE) &&
read_order_field_coord(orderInfo, s, 2, &save_bitmap->nLeftRect, FALSE) &&
read_order_field_coord(orderInfo, s, 3, &save_bitmap->nTopRect, FALSE) &&
read_order_field_coord(orderInfo, s, 4, &save_bitmap->nRightRect, FALSE) &&
read_order_field_coord(orderInfo, s, 5, &save_bitmap->nBottomRect, FALSE) &&
read_order_field_byte(orderInfo, s, 6, &save_bitmap->operation, TRUE))
return TRUE;
return FALSE;
}
static BOOL update_read_glyph_index_order(wStream* s, const ORDER_INFO* orderInfo,
GLYPH_INDEX_ORDER* glyph_index)
{
if (!read_order_field_byte(orderInfo, s, 1, &glyph_index->cacheId, TRUE) ||
!read_order_field_byte(orderInfo, s, 2, &glyph_index->flAccel, TRUE) ||
!read_order_field_byte(orderInfo, s, 3, &glyph_index->ulCharInc, TRUE) ||
!read_order_field_byte(orderInfo, s, 4, &glyph_index->fOpRedundant, TRUE) ||
!read_order_field_color(orderInfo, s, 5, &glyph_index->backColor, TRUE) ||
!read_order_field_color(orderInfo, s, 6, &glyph_index->foreColor, TRUE) ||
!read_order_field_int16(orderInfo, s, 7, &glyph_index->bkLeft, TRUE) ||
!read_order_field_int16(orderInfo, s, 8, &glyph_index->bkTop, TRUE) ||
!read_order_field_int16(orderInfo, s, 9, &glyph_index->bkRight, TRUE) ||
!read_order_field_int16(orderInfo, s, 10, &glyph_index->bkBottom, TRUE) ||
!read_order_field_int16(orderInfo, s, 11, &glyph_index->opLeft, TRUE) ||
!read_order_field_int16(orderInfo, s, 12, &glyph_index->opTop, TRUE) ||
!read_order_field_int16(orderInfo, s, 13, &glyph_index->opRight, TRUE) ||
!read_order_field_int16(orderInfo, s, 14, &glyph_index->opBottom, TRUE) ||
!update_read_brush(s, &glyph_index->brush, orderInfo->fieldFlags >> 14) ||
!read_order_field_int16(orderInfo, s, 20, &glyph_index->x, TRUE) ||
!read_order_field_int16(orderInfo, s, 21, &glyph_index->y, TRUE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_22) != 0)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, glyph_index->cbData);
if (Stream_GetRemainingLength(s) < glyph_index->cbData)
return FALSE;
CopyMemory(glyph_index->data, Stream_Pointer(s), glyph_index->cbData);
Stream_Seek(s, glyph_index->cbData);
}
return TRUE;
}
int update_approximate_glyph_index_order(ORDER_INFO* orderInfo,
const GLYPH_INDEX_ORDER* glyph_index)
{
return 64;
}
BOOL update_write_glyph_index_order(wStream* s, ORDER_INFO* orderInfo,
GLYPH_INDEX_ORDER* glyph_index)
{
int inf = update_approximate_glyph_index_order(orderInfo, glyph_index);
if (!Stream_EnsureRemainingCapacity(s, inf))
return FALSE;
orderInfo->fieldFlags = 0;
orderInfo->fieldFlags |= ORDER_FIELD_01;
Stream_Write_UINT8(s, glyph_index->cacheId);
orderInfo->fieldFlags |= ORDER_FIELD_02;
Stream_Write_UINT8(s, glyph_index->flAccel);
orderInfo->fieldFlags |= ORDER_FIELD_03;
Stream_Write_UINT8(s, glyph_index->ulCharInc);
orderInfo->fieldFlags |= ORDER_FIELD_04;
Stream_Write_UINT8(s, glyph_index->fOpRedundant);
orderInfo->fieldFlags |= ORDER_FIELD_05;
update_write_color(s, glyph_index->backColor);
orderInfo->fieldFlags |= ORDER_FIELD_06;
update_write_color(s, glyph_index->foreColor);
orderInfo->fieldFlags |= ORDER_FIELD_07;
Stream_Write_UINT16(s, glyph_index->bkLeft);
orderInfo->fieldFlags |= ORDER_FIELD_08;
Stream_Write_UINT16(s, glyph_index->bkTop);
orderInfo->fieldFlags |= ORDER_FIELD_09;
Stream_Write_UINT16(s, glyph_index->bkRight);
orderInfo->fieldFlags |= ORDER_FIELD_10;
Stream_Write_UINT16(s, glyph_index->bkBottom);
orderInfo->fieldFlags |= ORDER_FIELD_11;
Stream_Write_UINT16(s, glyph_index->opLeft);
orderInfo->fieldFlags |= ORDER_FIELD_12;
Stream_Write_UINT16(s, glyph_index->opTop);
orderInfo->fieldFlags |= ORDER_FIELD_13;
Stream_Write_UINT16(s, glyph_index->opRight);
orderInfo->fieldFlags |= ORDER_FIELD_14;
Stream_Write_UINT16(s, glyph_index->opBottom);
orderInfo->fieldFlags |= ORDER_FIELD_15;
orderInfo->fieldFlags |= ORDER_FIELD_16;
orderInfo->fieldFlags |= ORDER_FIELD_17;
orderInfo->fieldFlags |= ORDER_FIELD_18;
orderInfo->fieldFlags |= ORDER_FIELD_19;
update_write_brush(s, &glyph_index->brush, orderInfo->fieldFlags >> 14);
orderInfo->fieldFlags |= ORDER_FIELD_20;
Stream_Write_UINT16(s, glyph_index->x);
orderInfo->fieldFlags |= ORDER_FIELD_21;
Stream_Write_UINT16(s, glyph_index->y);
orderInfo->fieldFlags |= ORDER_FIELD_22;
Stream_Write_UINT8(s, glyph_index->cbData);
Stream_Write(s, glyph_index->data, glyph_index->cbData);
return TRUE;
}
static BOOL update_read_fast_index_order(wStream* s, const ORDER_INFO* orderInfo,
FAST_INDEX_ORDER* fast_index)
{
if (!read_order_field_byte(orderInfo, s, 1, &fast_index->cacheId, TRUE) ||
!read_order_field_2bytes(orderInfo, s, 2, &fast_index->ulCharInc, &fast_index->flAccel,
TRUE) ||
!read_order_field_color(orderInfo, s, 3, &fast_index->backColor, TRUE) ||
!read_order_field_color(orderInfo, s, 4, &fast_index->foreColor, TRUE) ||
!read_order_field_coord(orderInfo, s, 5, &fast_index->bkLeft, FALSE) ||
!read_order_field_coord(orderInfo, s, 6, &fast_index->bkTop, FALSE) ||
!read_order_field_coord(orderInfo, s, 7, &fast_index->bkRight, FALSE) ||
!read_order_field_coord(orderInfo, s, 8, &fast_index->bkBottom, FALSE) ||
!read_order_field_coord(orderInfo, s, 9, &fast_index->opLeft, FALSE) ||
!read_order_field_coord(orderInfo, s, 10, &fast_index->opTop, FALSE) ||
!read_order_field_coord(orderInfo, s, 11, &fast_index->opRight, FALSE) ||
!read_order_field_coord(orderInfo, s, 12, &fast_index->opBottom, FALSE) ||
!read_order_field_coord(orderInfo, s, 13, &fast_index->x, FALSE) ||
!read_order_field_coord(orderInfo, s, 14, &fast_index->y, FALSE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_15) != 0)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, fast_index->cbData);
if (Stream_GetRemainingLength(s) < fast_index->cbData)
return FALSE;
CopyMemory(fast_index->data, Stream_Pointer(s), fast_index->cbData);
Stream_Seek(s, fast_index->cbData);
}
return TRUE;
}
static BOOL update_read_fast_glyph_order(wStream* s, const ORDER_INFO* orderInfo,
FAST_GLYPH_ORDER* fastGlyph)
{
GLYPH_DATA_V2* glyph = &fastGlyph->glyphData;
if (!read_order_field_byte(orderInfo, s, 1, &fastGlyph->cacheId, TRUE))
return FALSE;
if (fastGlyph->cacheId > 9)
return FALSE;
if (!read_order_field_2bytes(orderInfo, s, 2, &fastGlyph->ulCharInc, &fastGlyph->flAccel,
TRUE) ||
!read_order_field_color(orderInfo, s, 3, &fastGlyph->backColor, TRUE) ||
!read_order_field_color(orderInfo, s, 4, &fastGlyph->foreColor, TRUE) ||
!read_order_field_coord(orderInfo, s, 5, &fastGlyph->bkLeft, FALSE) ||
!read_order_field_coord(orderInfo, s, 6, &fastGlyph->bkTop, FALSE) ||
!read_order_field_coord(orderInfo, s, 7, &fastGlyph->bkRight, FALSE) ||
!read_order_field_coord(orderInfo, s, 8, &fastGlyph->bkBottom, FALSE) ||
!read_order_field_coord(orderInfo, s, 9, &fastGlyph->opLeft, FALSE) ||
!read_order_field_coord(orderInfo, s, 10, &fastGlyph->opTop, FALSE) ||
!read_order_field_coord(orderInfo, s, 11, &fastGlyph->opRight, FALSE) ||
!read_order_field_coord(orderInfo, s, 12, &fastGlyph->opBottom, FALSE) ||
!read_order_field_coord(orderInfo, s, 13, &fastGlyph->x, FALSE) ||
!read_order_field_coord(orderInfo, s, 14, &fastGlyph->y, FALSE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_15) != 0)
{
const BYTE* src;
wStream subbuffer;
wStream* sub;
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, fastGlyph->cbData);
src = Stream_Pointer(s);
if (!Stream_SafeSeek(s, fastGlyph->cbData) || (fastGlyph->cbData == 0))
return FALSE;
CopyMemory(fastGlyph->data, src, fastGlyph->cbData);
sub = Stream_StaticInit(&subbuffer, fastGlyph->data, fastGlyph->cbData);
Stream_Read_UINT8(sub, glyph->cacheIndex);
if (fastGlyph->cbData > 1)
{
if (!update_read_2byte_signed(sub, &glyph->x) ||
!update_read_2byte_signed(sub, &glyph->y) ||
!update_read_2byte_unsigned(sub, &glyph->cx) ||
!update_read_2byte_unsigned(sub, &glyph->cy))
return FALSE;
if ((glyph->cx == 0) || (glyph->cy == 0))
{
WLog_ERR(TAG, "GLYPH_DATA_V2::cx=%" PRIu32 ", GLYPH_DATA_V2::cy=%" PRIu32,
glyph->cx, glyph->cy);
return FALSE;
}
glyph->cb = Stream_GetRemainingLength(sub);
if (glyph->cb > 0)
{
BYTE* new_aj = (BYTE*)realloc(glyph->aj, glyph->cb);
if (!new_aj)
return FALSE;
glyph->aj = new_aj;
Stream_Read(sub, glyph->aj, glyph->cb);
}
else
{
free(glyph->aj);
glyph->aj = NULL;
}
}
}
return TRUE;
}
static BOOL update_read_polygon_sc_order(wStream* s, const ORDER_INFO* orderInfo,
POLYGON_SC_ORDER* polygon_sc)
{
UINT32 num = polygon_sc->numPoints;
if (!read_order_field_coord(orderInfo, s, 1, &polygon_sc->xStart, FALSE) ||
!read_order_field_coord(orderInfo, s, 2, &polygon_sc->yStart, FALSE) ||
!read_order_field_byte(orderInfo, s, 3, &polygon_sc->bRop2, TRUE) ||
!read_order_field_byte(orderInfo, s, 4, &polygon_sc->fillMode, TRUE) ||
!read_order_field_color(orderInfo, s, 5, &polygon_sc->brushColor, TRUE) ||
!read_order_field_byte(orderInfo, s, 6, &num, TRUE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_07) != 0)
{
DELTA_POINT* newpoints;
if (num == 0)
return FALSE;
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, polygon_sc->cbData);
newpoints = (DELTA_POINT*)realloc(polygon_sc->points, sizeof(DELTA_POINT) * num);
if (!newpoints)
return FALSE;
polygon_sc->points = newpoints;
polygon_sc->numPoints = num;
return update_read_delta_points(s, polygon_sc->points, polygon_sc->numPoints,
polygon_sc->xStart, polygon_sc->yStart);
}
return TRUE;
}
static BOOL update_read_polygon_cb_order(wStream* s, const ORDER_INFO* orderInfo,
POLYGON_CB_ORDER* polygon_cb)
{
UINT32 num = polygon_cb->numPoints;
if (!read_order_field_coord(orderInfo, s, 1, &polygon_cb->xStart, FALSE) ||
!read_order_field_coord(orderInfo, s, 2, &polygon_cb->yStart, FALSE) ||
!read_order_field_byte(orderInfo, s, 3, &polygon_cb->bRop2, TRUE) ||
!read_order_field_byte(orderInfo, s, 4, &polygon_cb->fillMode, TRUE) ||
!read_order_field_color(orderInfo, s, 5, &polygon_cb->backColor, TRUE) ||
!read_order_field_color(orderInfo, s, 6, &polygon_cb->foreColor, TRUE))
return FALSE;
if (!update_read_brush(s, &polygon_cb->brush, orderInfo->fieldFlags >> 6))
return FALSE;
if (!read_order_field_byte(orderInfo, s, 12, &num, TRUE))
return FALSE;
if ((orderInfo->fieldFlags & ORDER_FIELD_13) != 0)
{
DELTA_POINT* newpoints;
if (num == 0)
return FALSE;
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, polygon_cb->cbData);
newpoints = (DELTA_POINT*)realloc(polygon_cb->points, sizeof(DELTA_POINT) * num);
if (!newpoints)
return FALSE;
polygon_cb->points = newpoints;
polygon_cb->numPoints = num;
if (!update_read_delta_points(s, polygon_cb->points, polygon_cb->numPoints,
polygon_cb->xStart, polygon_cb->yStart))
return FALSE;
}
polygon_cb->backMode = (polygon_cb->bRop2 & 0x80) ? BACKMODE_TRANSPARENT : BACKMODE_OPAQUE;
polygon_cb->bRop2 = (polygon_cb->bRop2 & 0x1F);
return TRUE;
}
static BOOL update_read_ellipse_sc_order(wStream* s, const ORDER_INFO* orderInfo,
ELLIPSE_SC_ORDER* ellipse_sc)
{
if (read_order_field_coord(orderInfo, s, 1, &ellipse_sc->leftRect, FALSE) &&
read_order_field_coord(orderInfo, s, 2, &ellipse_sc->topRect, FALSE) &&
read_order_field_coord(orderInfo, s, 3, &ellipse_sc->rightRect, FALSE) &&
read_order_field_coord(orderInfo, s, 4, &ellipse_sc->bottomRect, FALSE) &&
read_order_field_byte(orderInfo, s, 5, &ellipse_sc->bRop2, TRUE) &&
read_order_field_byte(orderInfo, s, 6, &ellipse_sc->fillMode, TRUE) &&
read_order_field_color(orderInfo, s, 7, &ellipse_sc->color, TRUE))
return TRUE;
return FALSE;
}
static BOOL update_read_ellipse_cb_order(wStream* s, const ORDER_INFO* orderInfo,
ELLIPSE_CB_ORDER* ellipse_cb)
{
if (read_order_field_coord(orderInfo, s, 1, &ellipse_cb->leftRect, FALSE) &&
read_order_field_coord(orderInfo, s, 2, &ellipse_cb->topRect, FALSE) &&
read_order_field_coord(orderInfo, s, 3, &ellipse_cb->rightRect, FALSE) &&
read_order_field_coord(orderInfo, s, 4, &ellipse_cb->bottomRect, FALSE) &&
read_order_field_byte(orderInfo, s, 5, &ellipse_cb->bRop2, TRUE) &&
read_order_field_byte(orderInfo, s, 6, &ellipse_cb->fillMode, TRUE) &&
read_order_field_color(orderInfo, s, 7, &ellipse_cb->backColor, TRUE) &&
read_order_field_color(orderInfo, s, 8, &ellipse_cb->foreColor, TRUE) &&
update_read_brush(s, &ellipse_cb->brush, orderInfo->fieldFlags >> 8))
return TRUE;
return FALSE;
}
/* Secondary Drawing Orders */
static CACHE_BITMAP_ORDER* update_read_cache_bitmap_order(rdpUpdate* update, wStream* s,
BOOL compressed, UINT16 flags)
{
CACHE_BITMAP_ORDER* cache_bitmap;
if (!update || !s)
return NULL;
cache_bitmap = calloc(1, sizeof(CACHE_BITMAP_ORDER));
if (!cache_bitmap)
goto fail;
if (Stream_GetRemainingLength(s) < 9)
goto fail;
Stream_Read_UINT8(s, cache_bitmap->cacheId); /* cacheId (1 byte) */
Stream_Seek_UINT8(s); /* pad1Octet (1 byte) */
Stream_Read_UINT8(s, cache_bitmap->bitmapWidth); /* bitmapWidth (1 byte) */
Stream_Read_UINT8(s, cache_bitmap->bitmapHeight); /* bitmapHeight (1 byte) */
Stream_Read_UINT8(s, cache_bitmap->bitmapBpp); /* bitmapBpp (1 byte) */
if ((cache_bitmap->bitmapBpp < 1) || (cache_bitmap->bitmapBpp > 32))
{
WLog_Print(update->log, WLOG_ERROR, "invalid bitmap bpp %" PRIu32 "",
cache_bitmap->bitmapBpp);
goto fail;
}
Stream_Read_UINT16(s, cache_bitmap->bitmapLength); /* bitmapLength (2 bytes) */
Stream_Read_UINT16(s, cache_bitmap->cacheIndex); /* cacheIndex (2 bytes) */
if (compressed)
{
if ((flags & NO_BITMAP_COMPRESSION_HDR) == 0)
{
BYTE* bitmapComprHdr = (BYTE*)&(cache_bitmap->bitmapComprHdr);
if (Stream_GetRemainingLength(s) < 8)
goto fail;
Stream_Read(s, bitmapComprHdr, 8); /* bitmapComprHdr (8 bytes) */
cache_bitmap->bitmapLength -= 8;
}
}
if (cache_bitmap->bitmapLength == 0)
goto fail;
if (Stream_GetRemainingLength(s) < cache_bitmap->bitmapLength)
goto fail;
cache_bitmap->bitmapDataStream = malloc(cache_bitmap->bitmapLength);
if (!cache_bitmap->bitmapDataStream)
goto fail;
Stream_Read(s, cache_bitmap->bitmapDataStream, cache_bitmap->bitmapLength);
cache_bitmap->compressed = compressed;
return cache_bitmap;
fail:
free_cache_bitmap_order(update->context, cache_bitmap);
return NULL;
}
int update_approximate_cache_bitmap_order(const CACHE_BITMAP_ORDER* cache_bitmap, BOOL compressed,
UINT16* flags)
{
return 64 + cache_bitmap->bitmapLength;
}
BOOL update_write_cache_bitmap_order(wStream* s, const CACHE_BITMAP_ORDER* cache_bitmap,
BOOL compressed, UINT16* flags)
{
UINT32 bitmapLength = cache_bitmap->bitmapLength;
int inf = update_approximate_cache_bitmap_order(cache_bitmap, compressed, flags);
if (!Stream_EnsureRemainingCapacity(s, inf))
return FALSE;
*flags = NO_BITMAP_COMPRESSION_HDR;
if ((*flags & NO_BITMAP_COMPRESSION_HDR) == 0)
bitmapLength += 8;
Stream_Write_UINT8(s, cache_bitmap->cacheId); /* cacheId (1 byte) */
Stream_Write_UINT8(s, 0); /* pad1Octet (1 byte) */
Stream_Write_UINT8(s, cache_bitmap->bitmapWidth); /* bitmapWidth (1 byte) */
Stream_Write_UINT8(s, cache_bitmap->bitmapHeight); /* bitmapHeight (1 byte) */
Stream_Write_UINT8(s, cache_bitmap->bitmapBpp); /* bitmapBpp (1 byte) */
Stream_Write_UINT16(s, bitmapLength); /* bitmapLength (2 bytes) */
Stream_Write_UINT16(s, cache_bitmap->cacheIndex); /* cacheIndex (2 bytes) */
if (compressed)
{
if ((*flags & NO_BITMAP_COMPRESSION_HDR) == 0)
{
const BYTE* bitmapComprHdr = (const BYTE*)&(cache_bitmap->bitmapComprHdr);
Stream_Write(s, bitmapComprHdr, 8); /* bitmapComprHdr (8 bytes) */
bitmapLength -= 8;
}
Stream_Write(s, cache_bitmap->bitmapDataStream, bitmapLength);
}
else
{
Stream_Write(s, cache_bitmap->bitmapDataStream, bitmapLength);
}
return TRUE;
}
static CACHE_BITMAP_V2_ORDER* update_read_cache_bitmap_v2_order(rdpUpdate* update, wStream* s,
BOOL compressed, UINT16 flags)
{
BOOL rc;
BYTE bitsPerPixelId;
CACHE_BITMAP_V2_ORDER* cache_bitmap_v2;
if (!update || !s)
return NULL;
cache_bitmap_v2 = calloc(1, sizeof(CACHE_BITMAP_V2_ORDER));
if (!cache_bitmap_v2)
goto fail;
cache_bitmap_v2->cacheId = flags & 0x0003;
cache_bitmap_v2->flags = (flags & 0xFF80) >> 7;
bitsPerPixelId = (flags & 0x0078) >> 3;
cache_bitmap_v2->bitmapBpp = get_cbr2_bpp(bitsPerPixelId, &rc);
if (!rc)
goto fail;
if (cache_bitmap_v2->flags & CBR2_PERSISTENT_KEY_PRESENT)
{
if (Stream_GetRemainingLength(s) < 8)
goto fail;
Stream_Read_UINT32(s, cache_bitmap_v2->key1); /* key1 (4 bytes) */
Stream_Read_UINT32(s, cache_bitmap_v2->key2); /* key2 (4 bytes) */
}
if (cache_bitmap_v2->flags & CBR2_HEIGHT_SAME_AS_WIDTH)
{
if (!update_read_2byte_unsigned(s, &cache_bitmap_v2->bitmapWidth)) /* bitmapWidth */
goto fail;
cache_bitmap_v2->bitmapHeight = cache_bitmap_v2->bitmapWidth;
}
else
{
if (!update_read_2byte_unsigned(s, &cache_bitmap_v2->bitmapWidth) || /* bitmapWidth */
!update_read_2byte_unsigned(s, &cache_bitmap_v2->bitmapHeight)) /* bitmapHeight */
goto fail;
}
if (!update_read_4byte_unsigned(s, &cache_bitmap_v2->bitmapLength) || /* bitmapLength */
!update_read_2byte_unsigned(s, &cache_bitmap_v2->cacheIndex)) /* cacheIndex */
goto fail;
if (cache_bitmap_v2->flags & CBR2_DO_NOT_CACHE)
cache_bitmap_v2->cacheIndex = BITMAP_CACHE_WAITING_LIST_INDEX;
if (compressed)
{
if (!(cache_bitmap_v2->flags & CBR2_NO_BITMAP_COMPRESSION_HDR))
{
if (Stream_GetRemainingLength(s) < 8)
goto fail;
Stream_Read_UINT16(
s, cache_bitmap_v2->cbCompFirstRowSize); /* cbCompFirstRowSize (2 bytes) */
Stream_Read_UINT16(
s, cache_bitmap_v2->cbCompMainBodySize); /* cbCompMainBodySize (2 bytes) */
Stream_Read_UINT16(s, cache_bitmap_v2->cbScanWidth); /* cbScanWidth (2 bytes) */
Stream_Read_UINT16(
s, cache_bitmap_v2->cbUncompressedSize); /* cbUncompressedSize (2 bytes) */
cache_bitmap_v2->bitmapLength = cache_bitmap_v2->cbCompMainBodySize;
}
}
if (cache_bitmap_v2->bitmapLength == 0)
goto fail;
if (Stream_GetRemainingLength(s) < cache_bitmap_v2->bitmapLength)
goto fail;
if (cache_bitmap_v2->bitmapLength == 0)
goto fail;
cache_bitmap_v2->bitmapDataStream = malloc(cache_bitmap_v2->bitmapLength);
if (!cache_bitmap_v2->bitmapDataStream)
goto fail;
Stream_Read(s, cache_bitmap_v2->bitmapDataStream, cache_bitmap_v2->bitmapLength);
cache_bitmap_v2->compressed = compressed;
return cache_bitmap_v2;
fail:
free_cache_bitmap_v2_order(update->context, cache_bitmap_v2);
return NULL;
}
int update_approximate_cache_bitmap_v2_order(CACHE_BITMAP_V2_ORDER* cache_bitmap_v2,
BOOL compressed, UINT16* flags)
{
return 64 + cache_bitmap_v2->bitmapLength;
}
BOOL update_write_cache_bitmap_v2_order(wStream* s, CACHE_BITMAP_V2_ORDER* cache_bitmap_v2,
BOOL compressed, UINT16* flags)
{
BOOL rc;
BYTE bitsPerPixelId;
if (!Stream_EnsureRemainingCapacity(
s, update_approximate_cache_bitmap_v2_order(cache_bitmap_v2, compressed, flags)))
return FALSE;
bitsPerPixelId = get_bpp_bmf(cache_bitmap_v2->bitmapBpp, &rc);
if (!rc)
return FALSE;
*flags = (cache_bitmap_v2->cacheId & 0x0003) | (bitsPerPixelId << 3) |
((cache_bitmap_v2->flags << 7) & 0xFF80);
if (cache_bitmap_v2->flags & CBR2_PERSISTENT_KEY_PRESENT)
{
Stream_Write_UINT32(s, cache_bitmap_v2->key1); /* key1 (4 bytes) */
Stream_Write_UINT32(s, cache_bitmap_v2->key2); /* key2 (4 bytes) */
}
if (cache_bitmap_v2->flags & CBR2_HEIGHT_SAME_AS_WIDTH)
{
if (!update_write_2byte_unsigned(s, cache_bitmap_v2->bitmapWidth)) /* bitmapWidth */
return FALSE;
}
else
{
if (!update_write_2byte_unsigned(s, cache_bitmap_v2->bitmapWidth) || /* bitmapWidth */
!update_write_2byte_unsigned(s, cache_bitmap_v2->bitmapHeight)) /* bitmapHeight */
return FALSE;
}
if (cache_bitmap_v2->flags & CBR2_DO_NOT_CACHE)
cache_bitmap_v2->cacheIndex = BITMAP_CACHE_WAITING_LIST_INDEX;
if (!update_write_4byte_unsigned(s, cache_bitmap_v2->bitmapLength) || /* bitmapLength */
!update_write_2byte_unsigned(s, cache_bitmap_v2->cacheIndex)) /* cacheIndex */
return FALSE;
if (compressed)
{
if (!(cache_bitmap_v2->flags & CBR2_NO_BITMAP_COMPRESSION_HDR))
{
Stream_Write_UINT16(
s, cache_bitmap_v2->cbCompFirstRowSize); /* cbCompFirstRowSize (2 bytes) */
Stream_Write_UINT16(
s, cache_bitmap_v2->cbCompMainBodySize); /* cbCompMainBodySize (2 bytes) */
Stream_Write_UINT16(s, cache_bitmap_v2->cbScanWidth); /* cbScanWidth (2 bytes) */
Stream_Write_UINT16(
s, cache_bitmap_v2->cbUncompressedSize); /* cbUncompressedSize (2 bytes) */
cache_bitmap_v2->bitmapLength = cache_bitmap_v2->cbCompMainBodySize;
}
if (!Stream_EnsureRemainingCapacity(s, cache_bitmap_v2->bitmapLength))
return FALSE;
Stream_Write(s, cache_bitmap_v2->bitmapDataStream, cache_bitmap_v2->bitmapLength);
}
else
{
if (!Stream_EnsureRemainingCapacity(s, cache_bitmap_v2->bitmapLength))
return FALSE;
Stream_Write(s, cache_bitmap_v2->bitmapDataStream, cache_bitmap_v2->bitmapLength);
}
cache_bitmap_v2->compressed = compressed;
return TRUE;
}
static CACHE_BITMAP_V3_ORDER* update_read_cache_bitmap_v3_order(rdpUpdate* update, wStream* s,
UINT16 flags)
{
BOOL rc;
BYTE bitsPerPixelId;
BITMAP_DATA_EX* bitmapData;
UINT32 new_len;
BYTE* new_data;
CACHE_BITMAP_V3_ORDER* cache_bitmap_v3;
if (!update || !s)
return NULL;
cache_bitmap_v3 = calloc(1, sizeof(CACHE_BITMAP_V3_ORDER));
if (!cache_bitmap_v3)
goto fail;
cache_bitmap_v3->cacheId = flags & 0x00000003;
cache_bitmap_v3->flags = (flags & 0x0000FF80) >> 7;
bitsPerPixelId = (flags & 0x00000078) >> 3;
cache_bitmap_v3->bpp = get_cbr2_bpp(bitsPerPixelId, &rc);
if (!rc)
goto fail;
if (Stream_GetRemainingLength(s) < 21)
goto fail;
Stream_Read_UINT16(s, cache_bitmap_v3->cacheIndex); /* cacheIndex (2 bytes) */
Stream_Read_UINT32(s, cache_bitmap_v3->key1); /* key1 (4 bytes) */
Stream_Read_UINT32(s, cache_bitmap_v3->key2); /* key2 (4 bytes) */
bitmapData = &cache_bitmap_v3->bitmapData;
Stream_Read_UINT8(s, bitmapData->bpp);
if ((bitmapData->bpp < 1) || (bitmapData->bpp > 32))
{
WLog_Print(update->log, WLOG_ERROR, "invalid bpp value %" PRIu32 "", bitmapData->bpp);
goto fail;
}
Stream_Seek_UINT8(s); /* reserved1 (1 byte) */
Stream_Seek_UINT8(s); /* reserved2 (1 byte) */
Stream_Read_UINT8(s, bitmapData->codecID); /* codecID (1 byte) */
Stream_Read_UINT16(s, bitmapData->width); /* width (2 bytes) */
Stream_Read_UINT16(s, bitmapData->height); /* height (2 bytes) */
Stream_Read_UINT32(s, new_len); /* length (4 bytes) */
if ((new_len == 0) || (Stream_GetRemainingLength(s) < new_len))
goto fail;
new_data = (BYTE*)realloc(bitmapData->data, new_len);
if (!new_data)
goto fail;
bitmapData->data = new_data;
bitmapData->length = new_len;
Stream_Read(s, bitmapData->data, bitmapData->length);
return cache_bitmap_v3;
fail:
free_cache_bitmap_v3_order(update->context, cache_bitmap_v3);
return NULL;
}
int update_approximate_cache_bitmap_v3_order(CACHE_BITMAP_V3_ORDER* cache_bitmap_v3, UINT16* flags)
{
BITMAP_DATA_EX* bitmapData = &cache_bitmap_v3->bitmapData;
return 64 + bitmapData->length;
}
BOOL update_write_cache_bitmap_v3_order(wStream* s, CACHE_BITMAP_V3_ORDER* cache_bitmap_v3,
UINT16* flags)
{
BOOL rc;
BYTE bitsPerPixelId;
BITMAP_DATA_EX* bitmapData;
if (!Stream_EnsureRemainingCapacity(
s, update_approximate_cache_bitmap_v3_order(cache_bitmap_v3, flags)))
return FALSE;
bitmapData = &cache_bitmap_v3->bitmapData;
bitsPerPixelId = get_bpp_bmf(cache_bitmap_v3->bpp, &rc);
if (!rc)
return FALSE;
*flags = (cache_bitmap_v3->cacheId & 0x00000003) |
((cache_bitmap_v3->flags << 7) & 0x0000FF80) | ((bitsPerPixelId << 3) & 0x00000078);
Stream_Write_UINT16(s, cache_bitmap_v3->cacheIndex); /* cacheIndex (2 bytes) */
Stream_Write_UINT32(s, cache_bitmap_v3->key1); /* key1 (4 bytes) */
Stream_Write_UINT32(s, cache_bitmap_v3->key2); /* key2 (4 bytes) */
Stream_Write_UINT8(s, bitmapData->bpp);
Stream_Write_UINT8(s, 0); /* reserved1 (1 byte) */
Stream_Write_UINT8(s, 0); /* reserved2 (1 byte) */
Stream_Write_UINT8(s, bitmapData->codecID); /* codecID (1 byte) */
Stream_Write_UINT16(s, bitmapData->width); /* width (2 bytes) */
Stream_Write_UINT16(s, bitmapData->height); /* height (2 bytes) */
Stream_Write_UINT32(s, bitmapData->length); /* length (4 bytes) */
Stream_Write(s, bitmapData->data, bitmapData->length);
return TRUE;
}
static CACHE_COLOR_TABLE_ORDER* update_read_cache_color_table_order(rdpUpdate* update, wStream* s,
UINT16 flags)
{
int i;
UINT32* colorTable;
CACHE_COLOR_TABLE_ORDER* cache_color_table = calloc(1, sizeof(CACHE_COLOR_TABLE_ORDER));
if (!cache_color_table)
goto fail;
if (Stream_GetRemainingLength(s) < 3)
goto fail;
Stream_Read_UINT8(s, cache_color_table->cacheIndex); /* cacheIndex (1 byte) */
Stream_Read_UINT16(s, cache_color_table->numberColors); /* numberColors (2 bytes) */
if (cache_color_table->numberColors != 256)
{
/* This field MUST be set to 256 */
goto fail;
}
if (Stream_GetRemainingLength(s) / 4 < cache_color_table->numberColors)
goto fail;
colorTable = (UINT32*)&cache_color_table->colorTable;
for (i = 0; i < (int)cache_color_table->numberColors; i++)
update_read_color_quad(s, &colorTable[i]);
return cache_color_table;
fail:
free_cache_color_table_order(update->context, cache_color_table);
return NULL;
}
int update_approximate_cache_color_table_order(const CACHE_COLOR_TABLE_ORDER* cache_color_table,
UINT16* flags)
{
return 16 + (256 * 4);
}
BOOL update_write_cache_color_table_order(wStream* s,
const CACHE_COLOR_TABLE_ORDER* cache_color_table,
UINT16* flags)
{
size_t i;
int inf;
const UINT32* colorTable;
if (cache_color_table->numberColors != 256)
return FALSE;
inf = update_approximate_cache_color_table_order(cache_color_table, flags);
if (!Stream_EnsureRemainingCapacity(s, inf))
return FALSE;
Stream_Write_UINT8(s, cache_color_table->cacheIndex); /* cacheIndex (1 byte) */
Stream_Write_UINT16(s, cache_color_table->numberColors); /* numberColors (2 bytes) */
colorTable = (const UINT32*)&cache_color_table->colorTable;
for (i = 0; i < cache_color_table->numberColors; i++)
{
update_write_color_quad(s, colorTable[i]);
}
return TRUE;
}
static CACHE_GLYPH_ORDER* update_read_cache_glyph_order(rdpUpdate* update, wStream* s, UINT16 flags)
{
UINT32 i;
CACHE_GLYPH_ORDER* cache_glyph_order = calloc(1, sizeof(CACHE_GLYPH_ORDER));
if (!cache_glyph_order || !update || !s)
goto fail;
if (Stream_GetRemainingLength(s) < 2)
goto fail;
Stream_Read_UINT8(s, cache_glyph_order->cacheId); /* cacheId (1 byte) */
Stream_Read_UINT8(s, cache_glyph_order->cGlyphs); /* cGlyphs (1 byte) */
for (i = 0; i < cache_glyph_order->cGlyphs; i++)
{
GLYPH_DATA* glyph = &cache_glyph_order->glyphData[i];
if (Stream_GetRemainingLength(s) < 10)
goto fail;
Stream_Read_UINT16(s, glyph->cacheIndex);
Stream_Read_INT16(s, glyph->x);
Stream_Read_INT16(s, glyph->y);
Stream_Read_UINT16(s, glyph->cx);
Stream_Read_UINT16(s, glyph->cy);
glyph->cb = ((glyph->cx + 7) / 8) * glyph->cy;
glyph->cb += ((glyph->cb % 4) > 0) ? 4 - (glyph->cb % 4) : 0;
if (Stream_GetRemainingLength(s) < glyph->cb)
goto fail;
glyph->aj = (BYTE*)malloc(glyph->cb);
if (!glyph->aj)
goto fail;
Stream_Read(s, glyph->aj, glyph->cb);
}
if ((flags & CG_GLYPH_UNICODE_PRESENT) && (cache_glyph_order->cGlyphs > 0))
{
cache_glyph_order->unicodeCharacters = calloc(cache_glyph_order->cGlyphs, sizeof(WCHAR));
if (!cache_glyph_order->unicodeCharacters)
goto fail;
if (Stream_GetRemainingLength(s) < sizeof(WCHAR) * cache_glyph_order->cGlyphs)
goto fail;
Stream_Read_UTF16_String(s, cache_glyph_order->unicodeCharacters,
cache_glyph_order->cGlyphs);
}
return cache_glyph_order;
fail:
free_cache_glyph_order(update->context, cache_glyph_order);
return NULL;
}
int update_approximate_cache_glyph_order(const CACHE_GLYPH_ORDER* cache_glyph, UINT16* flags)
{
return 2 + cache_glyph->cGlyphs * 32;
}
BOOL update_write_cache_glyph_order(wStream* s, const CACHE_GLYPH_ORDER* cache_glyph, UINT16* flags)
{
int i, inf;
INT16 lsi16;
const GLYPH_DATA* glyph;
inf = update_approximate_cache_glyph_order(cache_glyph, flags);
if (!Stream_EnsureRemainingCapacity(s, inf))
return FALSE;
Stream_Write_UINT8(s, cache_glyph->cacheId); /* cacheId (1 byte) */
Stream_Write_UINT8(s, cache_glyph->cGlyphs); /* cGlyphs (1 byte) */
for (i = 0; i < (int)cache_glyph->cGlyphs; i++)
{
UINT32 cb;
glyph = &cache_glyph->glyphData[i];
Stream_Write_UINT16(s, glyph->cacheIndex); /* cacheIndex (2 bytes) */
lsi16 = glyph->x;
Stream_Write_UINT16(s, lsi16); /* x (2 bytes) */
lsi16 = glyph->y;
Stream_Write_UINT16(s, lsi16); /* y (2 bytes) */
Stream_Write_UINT16(s, glyph->cx); /* cx (2 bytes) */
Stream_Write_UINT16(s, glyph->cy); /* cy (2 bytes) */
cb = ((glyph->cx + 7) / 8) * glyph->cy;
cb += ((cb % 4) > 0) ? 4 - (cb % 4) : 0;
Stream_Write(s, glyph->aj, cb);
}
if (*flags & CG_GLYPH_UNICODE_PRESENT)
{
Stream_Zero(s, cache_glyph->cGlyphs * 2);
}
return TRUE;
}
static CACHE_GLYPH_V2_ORDER* update_read_cache_glyph_v2_order(rdpUpdate* update, wStream* s,
UINT16 flags)
{
UINT32 i;
CACHE_GLYPH_V2_ORDER* cache_glyph_v2 = calloc(1, sizeof(CACHE_GLYPH_V2_ORDER));
if (!cache_glyph_v2)
goto fail;
cache_glyph_v2->cacheId = (flags & 0x000F);
cache_glyph_v2->flags = (flags & 0x00F0) >> 4;
cache_glyph_v2->cGlyphs = (flags & 0xFF00) >> 8;
for (i = 0; i < cache_glyph_v2->cGlyphs; i++)
{
GLYPH_DATA_V2* glyph = &cache_glyph_v2->glyphData[i];
if (Stream_GetRemainingLength(s) < 1)
goto fail;
Stream_Read_UINT8(s, glyph->cacheIndex);
if (!update_read_2byte_signed(s, &glyph->x) || !update_read_2byte_signed(s, &glyph->y) ||
!update_read_2byte_unsigned(s, &glyph->cx) ||
!update_read_2byte_unsigned(s, &glyph->cy))
{
goto fail;
}
glyph->cb = ((glyph->cx + 7) / 8) * glyph->cy;
glyph->cb += ((glyph->cb % 4) > 0) ? 4 - (glyph->cb % 4) : 0;
if (Stream_GetRemainingLength(s) < glyph->cb)
goto fail;
glyph->aj = (BYTE*)malloc(glyph->cb);
if (!glyph->aj)
goto fail;
Stream_Read(s, glyph->aj, glyph->cb);
}
if ((flags & CG_GLYPH_UNICODE_PRESENT) && (cache_glyph_v2->cGlyphs > 0))
{
cache_glyph_v2->unicodeCharacters = calloc(cache_glyph_v2->cGlyphs, sizeof(WCHAR));
if (!cache_glyph_v2->unicodeCharacters)
goto fail;
if (Stream_GetRemainingLength(s) < sizeof(WCHAR) * cache_glyph_v2->cGlyphs)
goto fail;
Stream_Read_UTF16_String(s, cache_glyph_v2->unicodeCharacters, cache_glyph_v2->cGlyphs);
}
return cache_glyph_v2;
fail:
free_cache_glyph_v2_order(update->context, cache_glyph_v2);
return NULL;
}
int update_approximate_cache_glyph_v2_order(const CACHE_GLYPH_V2_ORDER* cache_glyph_v2,
UINT16* flags)
{
return 8 + cache_glyph_v2->cGlyphs * 32;
}
BOOL update_write_cache_glyph_v2_order(wStream* s, const CACHE_GLYPH_V2_ORDER* cache_glyph_v2,
UINT16* flags)
{
UINT32 i, inf;
inf = update_approximate_cache_glyph_v2_order(cache_glyph_v2, flags);
if (!Stream_EnsureRemainingCapacity(s, inf))
return FALSE;
*flags = (cache_glyph_v2->cacheId & 0x000F) | ((cache_glyph_v2->flags & 0x000F) << 4) |
((cache_glyph_v2->cGlyphs & 0x00FF) << 8);
for (i = 0; i < cache_glyph_v2->cGlyphs; i++)
{
UINT32 cb;
const GLYPH_DATA_V2* glyph = &cache_glyph_v2->glyphData[i];
Stream_Write_UINT8(s, glyph->cacheIndex);
if (!update_write_2byte_signed(s, glyph->x) || !update_write_2byte_signed(s, glyph->y) ||
!update_write_2byte_unsigned(s, glyph->cx) ||
!update_write_2byte_unsigned(s, glyph->cy))
{
return FALSE;
}
cb = ((glyph->cx + 7) / 8) * glyph->cy;
cb += ((cb % 4) > 0) ? 4 - (cb % 4) : 0;
Stream_Write(s, glyph->aj, cb);
}
if (*flags & CG_GLYPH_UNICODE_PRESENT)
{
Stream_Zero(s, cache_glyph_v2->cGlyphs * 2);
}
return TRUE;
}
static BOOL update_decompress_brush(wStream* s, BYTE* output, size_t outSize, BYTE bpp)
{
size_t x, k;
INT8 y;
BYTE byte = 0;
const BYTE* palette = Stream_Pointer(s) + 16;
const size_t bytesPerPixel = ((bpp + 1) / 8);
if (Stream_GetRemainingLength(s) < 16ULL + bytesPerPixel * 4ULL)
return FALSE;
for (y = 7; y >= 0; y--)
{
for (x = 0; x < 8; x++)
{
UINT32 index;
if ((x % 4) == 0)
Stream_Read_UINT8(s, byte);
index = ((byte >> ((3 - (x % 4)) * 2)) & 0x03);
for (k = 0; k < bytesPerPixel; k++)
{
const size_t dstIndex = ((y * 8 + x) * bytesPerPixel) + k;
const size_t srcIndex = (index * bytesPerPixel) + k;
if (dstIndex >= outSize)
return FALSE;
output[dstIndex] = palette[srcIndex];
}
}
}
return TRUE;
}
static BOOL update_compress_brush(wStream* s, const BYTE* input, BYTE bpp)
{
return FALSE;
}
static CACHE_BRUSH_ORDER* update_read_cache_brush_order(rdpUpdate* update, wStream* s, UINT16 flags)
{
int i;
BOOL rc;
BYTE iBitmapFormat;
BOOL compressed = FALSE;
CACHE_BRUSH_ORDER* cache_brush = calloc(1, sizeof(CACHE_BRUSH_ORDER));
if (!cache_brush)
goto fail;
if (Stream_GetRemainingLength(s) < 6)
goto fail;
Stream_Read_UINT8(s, cache_brush->index); /* cacheEntry (1 byte) */
Stream_Read_UINT8(s, iBitmapFormat); /* iBitmapFormat (1 byte) */
cache_brush->bpp = get_bmf_bpp(iBitmapFormat, &rc);
if (!rc)
goto fail;
Stream_Read_UINT8(s, cache_brush->cx); /* cx (1 byte) */
Stream_Read_UINT8(s, cache_brush->cy); /* cy (1 byte) */
/* according to Section 2.2.2.2.1.2.7 errata the windows implementation sets this filed is set
* to 0x00 */
Stream_Read_UINT8(s, cache_brush->style); /* style (1 byte) */
Stream_Read_UINT8(s, cache_brush->length); /* iBytes (1 byte) */
if ((cache_brush->cx == 8) && (cache_brush->cy == 8))
{
if (cache_brush->bpp == 1)
{
if (cache_brush->length != 8)
{
WLog_Print(update->log, WLOG_ERROR, "incompatible 1bpp brush of length:%" PRIu32 "",
cache_brush->length);
goto fail;
}
if (Stream_GetRemainingLength(s) < 8)
goto fail;
/* rows are encoded in reverse order */
for (i = 7; i >= 0; i--)
Stream_Read_UINT8(s, cache_brush->data[i]);
}
else
{
if ((iBitmapFormat == BMF_8BPP) && (cache_brush->length == 20))
compressed = TRUE;
else if ((iBitmapFormat == BMF_16BPP) && (cache_brush->length == 24))
compressed = TRUE;
else if ((iBitmapFormat == BMF_24BPP) && (cache_brush->length == 28))
compressed = TRUE;
else if ((iBitmapFormat == BMF_32BPP) && (cache_brush->length == 32))
compressed = TRUE;
if (compressed != FALSE)
{
/* compressed brush */
if (!update_decompress_brush(s, cache_brush->data, sizeof(cache_brush->data),
cache_brush->bpp))
goto fail;
}
else
{
/* uncompressed brush */
UINT32 scanline = (cache_brush->bpp / 8) * 8;
if (Stream_GetRemainingLength(s) / 8 < scanline)
goto fail;
for (i = 7; i >= 0; i--)
{
Stream_Read(s, &cache_brush->data[i * scanline], scanline);
}
}
}
}
return cache_brush;
fail:
free_cache_brush_order(update->context, cache_brush);
return NULL;
}
int update_approximate_cache_brush_order(const CACHE_BRUSH_ORDER* cache_brush, UINT16* flags)
{
return 64;
}
BOOL update_write_cache_brush_order(wStream* s, const CACHE_BRUSH_ORDER* cache_brush, UINT16* flags)
{
int i;
BYTE iBitmapFormat;
BOOL rc;
BOOL compressed = FALSE;
if (!Stream_EnsureRemainingCapacity(s,
update_approximate_cache_brush_order(cache_brush, flags)))
return FALSE;
iBitmapFormat = get_bpp_bmf(cache_brush->bpp, &rc);
if (!rc)
return FALSE;
Stream_Write_UINT8(s, cache_brush->index); /* cacheEntry (1 byte) */
Stream_Write_UINT8(s, iBitmapFormat); /* iBitmapFormat (1 byte) */
Stream_Write_UINT8(s, cache_brush->cx); /* cx (1 byte) */
Stream_Write_UINT8(s, cache_brush->cy); /* cy (1 byte) */
Stream_Write_UINT8(s, cache_brush->style); /* style (1 byte) */
Stream_Write_UINT8(s, cache_brush->length); /* iBytes (1 byte) */
if ((cache_brush->cx == 8) && (cache_brush->cy == 8))
{
if (cache_brush->bpp == 1)
{
if (cache_brush->length != 8)
{
WLog_ERR(TAG, "incompatible 1bpp brush of length:%" PRIu32 "", cache_brush->length);
return FALSE;
}
for (i = 7; i >= 0; i--)
{
Stream_Write_UINT8(s, cache_brush->data[i]);
}
}
else
{
if ((iBitmapFormat == BMF_8BPP) && (cache_brush->length == 20))
compressed = TRUE;
else if ((iBitmapFormat == BMF_16BPP) && (cache_brush->length == 24))
compressed = TRUE;
else if ((iBitmapFormat == BMF_32BPP) && (cache_brush->length == 32))
compressed = TRUE;
if (compressed != FALSE)
{
/* compressed brush */
if (!update_compress_brush(s, cache_brush->data, cache_brush->bpp))
return FALSE;
}
else
{
/* uncompressed brush */
int scanline = (cache_brush->bpp / 8) * 8;
for (i = 7; i >= 0; i--)
{
Stream_Write(s, &cache_brush->data[i * scanline], scanline);
}
}
}
}
return TRUE;
}
/* Alternate Secondary Drawing Orders */
static BOOL
update_read_create_offscreen_bitmap_order(wStream* s,
CREATE_OFFSCREEN_BITMAP_ORDER* create_offscreen_bitmap)
{
UINT16 flags;
BOOL deleteListPresent;
OFFSCREEN_DELETE_LIST* deleteList;
if (Stream_GetRemainingLength(s) < 6)
return FALSE;
Stream_Read_UINT16(s, flags); /* flags (2 bytes) */
create_offscreen_bitmap->id = flags & 0x7FFF;
deleteListPresent = (flags & 0x8000) ? TRUE : FALSE;
Stream_Read_UINT16(s, create_offscreen_bitmap->cx); /* cx (2 bytes) */
Stream_Read_UINT16(s, create_offscreen_bitmap->cy); /* cy (2 bytes) */
deleteList = &(create_offscreen_bitmap->deleteList);
if ((create_offscreen_bitmap->cx == 0) || (create_offscreen_bitmap->cy == 0))
{
WLog_ERR(TAG, "Invalid OFFSCREEN_DELETE_LIST: cx=%" PRIu16 ", cy=%" PRIu16,
create_offscreen_bitmap->cx, create_offscreen_bitmap->cy);
return FALSE;
}
if (deleteListPresent)
{
UINT32 i;
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, deleteList->cIndices);
if (deleteList->cIndices > deleteList->sIndices)
{
UINT16* new_indices;
new_indices = (UINT16*)realloc(deleteList->indices, deleteList->cIndices * 2);
if (!new_indices)
return FALSE;
deleteList->sIndices = deleteList->cIndices;
deleteList->indices = new_indices;
}
if (Stream_GetRemainingLength(s) / 2 < deleteList->cIndices)
return FALSE;
for (i = 0; i < deleteList->cIndices; i++)
{
Stream_Read_UINT16(s, deleteList->indices[i]);
}
}
else
{
deleteList->cIndices = 0;
}
return TRUE;
}
int update_approximate_create_offscreen_bitmap_order(
const CREATE_OFFSCREEN_BITMAP_ORDER* create_offscreen_bitmap)
{
const OFFSCREEN_DELETE_LIST* deleteList = &(create_offscreen_bitmap->deleteList);
return 32 + deleteList->cIndices * 2;
}
BOOL update_write_create_offscreen_bitmap_order(
wStream* s, const CREATE_OFFSCREEN_BITMAP_ORDER* create_offscreen_bitmap)
{
UINT16 flags;
BOOL deleteListPresent;
const OFFSCREEN_DELETE_LIST* deleteList;
if (!Stream_EnsureRemainingCapacity(
s, update_approximate_create_offscreen_bitmap_order(create_offscreen_bitmap)))
return FALSE;
deleteList = &(create_offscreen_bitmap->deleteList);
flags = create_offscreen_bitmap->id & 0x7FFF;
deleteListPresent = (deleteList->cIndices > 0) ? TRUE : FALSE;
if (deleteListPresent)
flags |= 0x8000;
Stream_Write_UINT16(s, flags); /* flags (2 bytes) */
Stream_Write_UINT16(s, create_offscreen_bitmap->cx); /* cx (2 bytes) */
Stream_Write_UINT16(s, create_offscreen_bitmap->cy); /* cy (2 bytes) */
if (deleteListPresent)
{
int i;
Stream_Write_UINT16(s, deleteList->cIndices);
for (i = 0; i < (int)deleteList->cIndices; i++)
{
Stream_Write_UINT16(s, deleteList->indices[i]);
}
}
return TRUE;
}
static BOOL update_read_switch_surface_order(wStream* s, SWITCH_SURFACE_ORDER* switch_surface)
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, switch_surface->bitmapId); /* bitmapId (2 bytes) */
return TRUE;
}
int update_approximate_switch_surface_order(const SWITCH_SURFACE_ORDER* switch_surface)
{
return 2;
}
BOOL update_write_switch_surface_order(wStream* s, const SWITCH_SURFACE_ORDER* switch_surface)
{
int inf = update_approximate_switch_surface_order(switch_surface);
if (!Stream_EnsureRemainingCapacity(s, inf))
return FALSE;
Stream_Write_UINT16(s, switch_surface->bitmapId); /* bitmapId (2 bytes) */
return TRUE;
}
static BOOL
update_read_create_nine_grid_bitmap_order(wStream* s,
CREATE_NINE_GRID_BITMAP_ORDER* create_nine_grid_bitmap)
{
NINE_GRID_BITMAP_INFO* nineGridInfo;
if (Stream_GetRemainingLength(s) < 19)
return FALSE;
Stream_Read_UINT8(s, create_nine_grid_bitmap->bitmapBpp); /* bitmapBpp (1 byte) */
if ((create_nine_grid_bitmap->bitmapBpp < 1) || (create_nine_grid_bitmap->bitmapBpp > 32))
{
WLog_ERR(TAG, "invalid bpp value %" PRIu32 "", create_nine_grid_bitmap->bitmapBpp);
return FALSE;
}
Stream_Read_UINT16(s, create_nine_grid_bitmap->bitmapId); /* bitmapId (2 bytes) */
nineGridInfo = &(create_nine_grid_bitmap->nineGridInfo);
Stream_Read_UINT32(s, nineGridInfo->flFlags); /* flFlags (4 bytes) */
Stream_Read_UINT16(s, nineGridInfo->ulLeftWidth); /* ulLeftWidth (2 bytes) */
Stream_Read_UINT16(s, nineGridInfo->ulRightWidth); /* ulRightWidth (2 bytes) */
Stream_Read_UINT16(s, nineGridInfo->ulTopHeight); /* ulTopHeight (2 bytes) */
Stream_Read_UINT16(s, nineGridInfo->ulBottomHeight); /* ulBottomHeight (2 bytes) */
update_read_colorref(s, &nineGridInfo->crTransparent); /* crTransparent (4 bytes) */
return TRUE;
}
static BOOL update_read_frame_marker_order(wStream* s, FRAME_MARKER_ORDER* frame_marker)
{
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, frame_marker->action); /* action (4 bytes) */
return TRUE;
}
static BOOL update_read_stream_bitmap_first_order(wStream* s,
STREAM_BITMAP_FIRST_ORDER* stream_bitmap_first)
{
if (Stream_GetRemainingLength(s) < 10) // 8 + 2 at least
return FALSE;
Stream_Read_UINT8(s, stream_bitmap_first->bitmapFlags); /* bitmapFlags (1 byte) */
Stream_Read_UINT8(s, stream_bitmap_first->bitmapBpp); /* bitmapBpp (1 byte) */
if ((stream_bitmap_first->bitmapBpp < 1) || (stream_bitmap_first->bitmapBpp > 32))
{
WLog_ERR(TAG, "invalid bpp value %" PRIu32 "", stream_bitmap_first->bitmapBpp);
return FALSE;
}
Stream_Read_UINT16(s, stream_bitmap_first->bitmapType); /* bitmapType (2 bytes) */
Stream_Read_UINT16(s, stream_bitmap_first->bitmapWidth); /* bitmapWidth (2 bytes) */
Stream_Read_UINT16(s, stream_bitmap_first->bitmapHeight); /* bitmapHeigth (2 bytes) */
if (stream_bitmap_first->bitmapFlags & STREAM_BITMAP_V2)
{
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, stream_bitmap_first->bitmapSize); /* bitmapSize (4 bytes) */
}
else
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, stream_bitmap_first->bitmapSize); /* bitmapSize (2 bytes) */
}
FIELD_SKIP_BUFFER16(
s, stream_bitmap_first->bitmapBlockSize); /* bitmapBlockSize(2 bytes) + bitmapBlock */
return TRUE;
}
static BOOL update_read_stream_bitmap_next_order(wStream* s,
STREAM_BITMAP_NEXT_ORDER* stream_bitmap_next)
{
if (Stream_GetRemainingLength(s) < 5)
return FALSE;
Stream_Read_UINT8(s, stream_bitmap_next->bitmapFlags); /* bitmapFlags (1 byte) */
Stream_Read_UINT16(s, stream_bitmap_next->bitmapType); /* bitmapType (2 bytes) */
FIELD_SKIP_BUFFER16(
s, stream_bitmap_next->bitmapBlockSize); /* bitmapBlockSize(2 bytes) + bitmapBlock */
return TRUE;
}
static BOOL update_read_draw_gdiplus_first_order(wStream* s,
DRAW_GDIPLUS_FIRST_ORDER* draw_gdiplus_first)
{
if (Stream_GetRemainingLength(s) < 11)
return FALSE;
Stream_Seek_UINT8(s); /* pad1Octet (1 byte) */
Stream_Read_UINT16(s, draw_gdiplus_first->cbSize); /* cbSize (2 bytes) */
Stream_Read_UINT32(s, draw_gdiplus_first->cbTotalSize); /* cbTotalSize (4 bytes) */
Stream_Read_UINT32(s, draw_gdiplus_first->cbTotalEmfSize); /* cbTotalEmfSize (4 bytes) */
return Stream_SafeSeek(s, draw_gdiplus_first->cbSize); /* emfRecords */
}
static BOOL update_read_draw_gdiplus_next_order(wStream* s,
DRAW_GDIPLUS_NEXT_ORDER* draw_gdiplus_next)
{
if (Stream_GetRemainingLength(s) < 3)
return FALSE;
Stream_Seek_UINT8(s); /* pad1Octet (1 byte) */
FIELD_SKIP_BUFFER16(s, draw_gdiplus_next->cbSize); /* cbSize(2 bytes) + emfRecords */
return TRUE;
}
static BOOL update_read_draw_gdiplus_end_order(wStream* s, DRAW_GDIPLUS_END_ORDER* draw_gdiplus_end)
{
if (Stream_GetRemainingLength(s) < 11)
return FALSE;
Stream_Seek_UINT8(s); /* pad1Octet (1 byte) */
Stream_Read_UINT16(s, draw_gdiplus_end->cbSize); /* cbSize (2 bytes) */
Stream_Read_UINT32(s, draw_gdiplus_end->cbTotalSize); /* cbTotalSize (4 bytes) */
Stream_Read_UINT32(s, draw_gdiplus_end->cbTotalEmfSize); /* cbTotalEmfSize (4 bytes) */
return Stream_SafeSeek(s, draw_gdiplus_end->cbSize); /* emfRecords */
}
static BOOL
update_read_draw_gdiplus_cache_first_order(wStream* s,
DRAW_GDIPLUS_CACHE_FIRST_ORDER* draw_gdiplus_cache_first)
{
if (Stream_GetRemainingLength(s) < 11)
return FALSE;
Stream_Read_UINT8(s, draw_gdiplus_cache_first->flags); /* flags (1 byte) */
Stream_Read_UINT16(s, draw_gdiplus_cache_first->cacheType); /* cacheType (2 bytes) */
Stream_Read_UINT16(s, draw_gdiplus_cache_first->cacheIndex); /* cacheIndex (2 bytes) */
Stream_Read_UINT16(s, draw_gdiplus_cache_first->cbSize); /* cbSize (2 bytes) */
Stream_Read_UINT32(s, draw_gdiplus_cache_first->cbTotalSize); /* cbTotalSize (4 bytes) */
return Stream_SafeSeek(s, draw_gdiplus_cache_first->cbSize); /* emfRecords */
}
static BOOL
update_read_draw_gdiplus_cache_next_order(wStream* s,
DRAW_GDIPLUS_CACHE_NEXT_ORDER* draw_gdiplus_cache_next)
{
if (Stream_GetRemainingLength(s) < 7)
return FALSE;
Stream_Read_UINT8(s, draw_gdiplus_cache_next->flags); /* flags (1 byte) */
Stream_Read_UINT16(s, draw_gdiplus_cache_next->cacheType); /* cacheType (2 bytes) */
Stream_Read_UINT16(s, draw_gdiplus_cache_next->cacheIndex); /* cacheIndex (2 bytes) */
FIELD_SKIP_BUFFER16(s, draw_gdiplus_cache_next->cbSize); /* cbSize(2 bytes) + emfRecords */
return TRUE;
}
static BOOL
update_read_draw_gdiplus_cache_end_order(wStream* s,
DRAW_GDIPLUS_CACHE_END_ORDER* draw_gdiplus_cache_end)
{
if (Stream_GetRemainingLength(s) < 11)
return FALSE;
Stream_Read_UINT8(s, draw_gdiplus_cache_end->flags); /* flags (1 byte) */
Stream_Read_UINT16(s, draw_gdiplus_cache_end->cacheType); /* cacheType (2 bytes) */
Stream_Read_UINT16(s, draw_gdiplus_cache_end->cacheIndex); /* cacheIndex (2 bytes) */
Stream_Read_UINT16(s, draw_gdiplus_cache_end->cbSize); /* cbSize (2 bytes) */
Stream_Read_UINT32(s, draw_gdiplus_cache_end->cbTotalSize); /* cbTotalSize (4 bytes) */
return Stream_SafeSeek(s, draw_gdiplus_cache_end->cbSize); /* emfRecords */
}
static BOOL update_read_field_flags(wStream* s, UINT32* fieldFlags, BYTE flags, BYTE fieldBytes)
{
int i;
BYTE byte;
if (flags & ORDER_ZERO_FIELD_BYTE_BIT0)
fieldBytes--;
if (flags & ORDER_ZERO_FIELD_BYTE_BIT1)
{
if (fieldBytes > 1)
fieldBytes -= 2;
else
fieldBytes = 0;
}
if (Stream_GetRemainingLength(s) < fieldBytes)
return FALSE;
*fieldFlags = 0;
for (i = 0; i < fieldBytes; i++)
{
Stream_Read_UINT8(s, byte);
*fieldFlags |= byte << (i * 8);
}
return TRUE;
}
BOOL update_write_field_flags(wStream* s, UINT32 fieldFlags, BYTE flags, BYTE fieldBytes)
{
BYTE byte;
if (fieldBytes == 1)
{
byte = fieldFlags & 0xFF;
Stream_Write_UINT8(s, byte);
}
else if (fieldBytes == 2)
{
byte = fieldFlags & 0xFF;
Stream_Write_UINT8(s, byte);
byte = (fieldFlags >> 8) & 0xFF;
Stream_Write_UINT8(s, byte);
}
else if (fieldBytes == 3)
{
byte = fieldFlags & 0xFF;
Stream_Write_UINT8(s, byte);
byte = (fieldFlags >> 8) & 0xFF;
Stream_Write_UINT8(s, byte);
byte = (fieldFlags >> 16) & 0xFF;
Stream_Write_UINT8(s, byte);
}
else
{
return FALSE;
}
return TRUE;
}
static BOOL update_read_bounds(wStream* s, rdpBounds* bounds)
{
BYTE flags;
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, flags); /* field flags */
if (flags & BOUND_LEFT)
{
if (!update_read_coord(s, &bounds->left, FALSE))
return FALSE;
}
else if (flags & BOUND_DELTA_LEFT)
{
if (!update_read_coord(s, &bounds->left, TRUE))
return FALSE;
}
if (flags & BOUND_TOP)
{
if (!update_read_coord(s, &bounds->top, FALSE))
return FALSE;
}
else if (flags & BOUND_DELTA_TOP)
{
if (!update_read_coord(s, &bounds->top, TRUE))
return FALSE;
}
if (flags & BOUND_RIGHT)
{
if (!update_read_coord(s, &bounds->right, FALSE))
return FALSE;
}
else if (flags & BOUND_DELTA_RIGHT)
{
if (!update_read_coord(s, &bounds->right, TRUE))
return FALSE;
}
if (flags & BOUND_BOTTOM)
{
if (!update_read_coord(s, &bounds->bottom, FALSE))
return FALSE;
}
else if (flags & BOUND_DELTA_BOTTOM)
{
if (!update_read_coord(s, &bounds->bottom, TRUE))
return FALSE;
}
return TRUE;
}
BOOL update_write_bounds(wStream* s, ORDER_INFO* orderInfo)
{
if (!(orderInfo->controlFlags & ORDER_BOUNDS))
return TRUE;
if (orderInfo->controlFlags & ORDER_ZERO_BOUNDS_DELTAS)
return TRUE;
Stream_Write_UINT8(s, orderInfo->boundsFlags); /* field flags */
if (orderInfo->boundsFlags & BOUND_LEFT)
{
if (!update_write_coord(s, orderInfo->bounds.left))
return FALSE;
}
else if (orderInfo->boundsFlags & BOUND_DELTA_LEFT)
{
}
if (orderInfo->boundsFlags & BOUND_TOP)
{
if (!update_write_coord(s, orderInfo->bounds.top))
return FALSE;
}
else if (orderInfo->boundsFlags & BOUND_DELTA_TOP)
{
}
if (orderInfo->boundsFlags & BOUND_RIGHT)
{
if (!update_write_coord(s, orderInfo->bounds.right))
return FALSE;
}
else if (orderInfo->boundsFlags & BOUND_DELTA_RIGHT)
{
}
if (orderInfo->boundsFlags & BOUND_BOTTOM)
{
if (!update_write_coord(s, orderInfo->bounds.bottom))
return FALSE;
}
else if (orderInfo->boundsFlags & BOUND_DELTA_BOTTOM)
{
}
return TRUE;
}
static BOOL read_primary_order(wLog* log, const char* orderName, wStream* s,
const ORDER_INFO* orderInfo, rdpPrimaryUpdate* primary)
{
BOOL rc = FALSE;
if (!s || !orderInfo || !primary || !orderName)
return FALSE;
switch (orderInfo->orderType)
{
case ORDER_TYPE_DSTBLT:
rc = update_read_dstblt_order(s, orderInfo, &(primary->dstblt));
break;
case ORDER_TYPE_PATBLT:
rc = update_read_patblt_order(s, orderInfo, &(primary->patblt));
break;
case ORDER_TYPE_SCRBLT:
rc = update_read_scrblt_order(s, orderInfo, &(primary->scrblt));
break;
case ORDER_TYPE_OPAQUE_RECT:
rc = update_read_opaque_rect_order(s, orderInfo, &(primary->opaque_rect));
break;
case ORDER_TYPE_DRAW_NINE_GRID:
rc = update_read_draw_nine_grid_order(s, orderInfo, &(primary->draw_nine_grid));
break;
case ORDER_TYPE_MULTI_DSTBLT:
rc = update_read_multi_dstblt_order(s, orderInfo, &(primary->multi_dstblt));
break;
case ORDER_TYPE_MULTI_PATBLT:
rc = update_read_multi_patblt_order(s, orderInfo, &(primary->multi_patblt));
break;
case ORDER_TYPE_MULTI_SCRBLT:
rc = update_read_multi_scrblt_order(s, orderInfo, &(primary->multi_scrblt));
break;
case ORDER_TYPE_MULTI_OPAQUE_RECT:
rc = update_read_multi_opaque_rect_order(s, orderInfo, &(primary->multi_opaque_rect));
break;
case ORDER_TYPE_MULTI_DRAW_NINE_GRID:
rc = update_read_multi_draw_nine_grid_order(s, orderInfo,
&(primary->multi_draw_nine_grid));
break;
case ORDER_TYPE_LINE_TO:
rc = update_read_line_to_order(s, orderInfo, &(primary->line_to));
break;
case ORDER_TYPE_POLYLINE:
rc = update_read_polyline_order(s, orderInfo, &(primary->polyline));
break;
case ORDER_TYPE_MEMBLT:
rc = update_read_memblt_order(s, orderInfo, &(primary->memblt));
break;
case ORDER_TYPE_MEM3BLT:
rc = update_read_mem3blt_order(s, orderInfo, &(primary->mem3blt));
break;
case ORDER_TYPE_SAVE_BITMAP:
rc = update_read_save_bitmap_order(s, orderInfo, &(primary->save_bitmap));
break;
case ORDER_TYPE_GLYPH_INDEX:
rc = update_read_glyph_index_order(s, orderInfo, &(primary->glyph_index));
break;
case ORDER_TYPE_FAST_INDEX:
rc = update_read_fast_index_order(s, orderInfo, &(primary->fast_index));
break;
case ORDER_TYPE_FAST_GLYPH:
rc = update_read_fast_glyph_order(s, orderInfo, &(primary->fast_glyph));
break;
case ORDER_TYPE_POLYGON_SC:
rc = update_read_polygon_sc_order(s, orderInfo, &(primary->polygon_sc));
break;
case ORDER_TYPE_POLYGON_CB:
rc = update_read_polygon_cb_order(s, orderInfo, &(primary->polygon_cb));
break;
case ORDER_TYPE_ELLIPSE_SC:
rc = update_read_ellipse_sc_order(s, orderInfo, &(primary->ellipse_sc));
break;
case ORDER_TYPE_ELLIPSE_CB:
rc = update_read_ellipse_cb_order(s, orderInfo, &(primary->ellipse_cb));
break;
default:
WLog_Print(log, WLOG_WARN, "Primary Drawing Order %s not supported, ignoring",
orderName);
rc = TRUE;
break;
}
if (!rc)
{
WLog_Print(log, WLOG_ERROR, "%s - update_read_dstblt_order() failed", orderName);
return FALSE;
}
return TRUE;
}
static BOOL update_recv_primary_order(rdpUpdate* update, wStream* s, BYTE flags)
{
BYTE field;
BOOL rc = FALSE;
rdpContext* context = update->context;
rdpPrimaryUpdate* primary = update->primary;
ORDER_INFO* orderInfo = &(primary->order_info);
rdpSettings* settings = context->settings;
const char* orderName;
BOOL defaultReturn;
defaultReturn = freerdp_settings_get_bool(settings, FreeRDP_DeactivateClientDecoding);
if (flags & ORDER_TYPE_CHANGE)
{
if (Stream_GetRemainingLength(s) < 1)
{
WLog_Print(update->log, WLOG_ERROR, "Stream_GetRemainingLength(s) < 1");
return FALSE;
}
Stream_Read_UINT8(s, orderInfo->orderType); /* orderType (1 byte) */
}
orderName = primary_order_string(orderInfo->orderType);
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
if (!check_primary_order_supported(update->log, settings, orderInfo->orderType, orderName))
return FALSE;
field = get_primary_drawing_order_field_bytes(orderInfo->orderType, &rc);
if (!rc)
return FALSE;
if (!update_read_field_flags(s, &(orderInfo->fieldFlags), flags, field))
{
WLog_Print(update->log, WLOG_ERROR, "update_read_field_flags() failed");
return FALSE;
}
if (flags & ORDER_BOUNDS)
{
if (!(flags & ORDER_ZERO_BOUNDS_DELTAS))
{
if (!update_read_bounds(s, &orderInfo->bounds))
{
WLog_Print(update->log, WLOG_ERROR, "update_read_bounds() failed");
return FALSE;
}
}
rc = IFCALLRESULT(defaultReturn, update->SetBounds, context, &orderInfo->bounds);
if (!rc)
return FALSE;
}
orderInfo->deltaCoordinates = (flags & ORDER_DELTA_COORDINATES) ? TRUE : FALSE;
if (!read_primary_order(update->log, orderName, s, orderInfo, primary))
return FALSE;
rc = IFCALLRESULT(TRUE, primary->OrderInfo, context, orderInfo, orderName);
if (!rc)
return FALSE;
switch (orderInfo->orderType)
{
case ORDER_TYPE_DSTBLT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s rop=%s [0x%08" PRIx32 "]",
orderName, gdi_rop3_code_string(primary->dstblt.bRop),
gdi_rop3_code(primary->dstblt.bRop));
rc = IFCALLRESULT(defaultReturn, primary->DstBlt, context, &primary->dstblt);
}
break;
case ORDER_TYPE_PATBLT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s rop=%s [0x%08" PRIx32 "]",
orderName, gdi_rop3_code_string(primary->patblt.bRop),
gdi_rop3_code(primary->patblt.bRop));
rc = IFCALLRESULT(defaultReturn, primary->PatBlt, context, &primary->patblt);
}
break;
case ORDER_TYPE_SCRBLT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s rop=%s [0x%08" PRIx32 "]",
orderName, gdi_rop3_code_string(primary->scrblt.bRop),
gdi_rop3_code(primary->scrblt.bRop));
rc = IFCALLRESULT(defaultReturn, primary->ScrBlt, context, &primary->scrblt);
}
break;
case ORDER_TYPE_OPAQUE_RECT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->OpaqueRect, context, &primary->opaque_rect);
}
break;
case ORDER_TYPE_DRAW_NINE_GRID:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->DrawNineGrid, context,
&primary->draw_nine_grid);
}
break;
case ORDER_TYPE_MULTI_DSTBLT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s rop=%s [0x%08" PRIx32 "]",
orderName, gdi_rop3_code_string(primary->multi_dstblt.bRop),
gdi_rop3_code(primary->multi_dstblt.bRop));
rc = IFCALLRESULT(defaultReturn, primary->MultiDstBlt, context, &primary->multi_dstblt);
}
break;
case ORDER_TYPE_MULTI_PATBLT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s rop=%s [0x%08" PRIx32 "]",
orderName, gdi_rop3_code_string(primary->multi_patblt.bRop),
gdi_rop3_code(primary->multi_patblt.bRop));
rc = IFCALLRESULT(defaultReturn, primary->MultiPatBlt, context, &primary->multi_patblt);
}
break;
case ORDER_TYPE_MULTI_SCRBLT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s rop=%s [0x%08" PRIx32 "]",
orderName, gdi_rop3_code_string(primary->multi_scrblt.bRop),
gdi_rop3_code(primary->multi_scrblt.bRop));
rc = IFCALLRESULT(defaultReturn, primary->MultiScrBlt, context, &primary->multi_scrblt);
}
break;
case ORDER_TYPE_MULTI_OPAQUE_RECT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->MultiOpaqueRect, context,
&primary->multi_opaque_rect);
}
break;
case ORDER_TYPE_MULTI_DRAW_NINE_GRID:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->MultiDrawNineGrid, context,
&primary->multi_draw_nine_grid);
}
break;
case ORDER_TYPE_LINE_TO:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->LineTo, context, &primary->line_to);
}
break;
case ORDER_TYPE_POLYLINE:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->Polyline, context, &primary->polyline);
}
break;
case ORDER_TYPE_MEMBLT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s rop=%s [0x%08" PRIx32 "]",
orderName, gdi_rop3_code_string(primary->memblt.bRop),
gdi_rop3_code(primary->memblt.bRop));
rc = IFCALLRESULT(defaultReturn, primary->MemBlt, context, &primary->memblt);
}
break;
case ORDER_TYPE_MEM3BLT:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s rop=%s [0x%08" PRIx32 "]",
orderName, gdi_rop3_code_string(primary->mem3blt.bRop),
gdi_rop3_code(primary->mem3blt.bRop));
rc = IFCALLRESULT(defaultReturn, primary->Mem3Blt, context, &primary->mem3blt);
}
break;
case ORDER_TYPE_SAVE_BITMAP:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->SaveBitmap, context, &primary->save_bitmap);
}
break;
case ORDER_TYPE_GLYPH_INDEX:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->GlyphIndex, context, &primary->glyph_index);
}
break;
case ORDER_TYPE_FAST_INDEX:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->FastIndex, context, &primary->fast_index);
}
break;
case ORDER_TYPE_FAST_GLYPH:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->FastGlyph, context, &primary->fast_glyph);
}
break;
case ORDER_TYPE_POLYGON_SC:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->PolygonSC, context, &primary->polygon_sc);
}
break;
case ORDER_TYPE_POLYGON_CB:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->PolygonCB, context, &primary->polygon_cb);
}
break;
case ORDER_TYPE_ELLIPSE_SC:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->EllipseSC, context, &primary->ellipse_sc);
}
break;
case ORDER_TYPE_ELLIPSE_CB:
{
WLog_Print(update->log, WLOG_DEBUG, "Primary Drawing Order %s", orderName);
rc = IFCALLRESULT(defaultReturn, primary->EllipseCB, context, &primary->ellipse_cb);
}
break;
default:
WLog_Print(update->log, WLOG_WARN, "Primary Drawing Order %s not supported", orderName);
break;
}
if (!rc)
{
WLog_Print(update->log, WLOG_WARN, "Primary Drawing Order %s failed", orderName);
return FALSE;
}
if (flags & ORDER_BOUNDS)
{
rc = IFCALLRESULT(defaultReturn, update->SetBounds, context, NULL);
}
return rc;
}
static BOOL update_recv_secondary_order(rdpUpdate* update, wStream* s, BYTE flags)
{
BOOL rc = FALSE;
size_t start, end, pos, diff, rem;
BYTE orderType;
UINT16 extraFlags;
INT16 orderLength;
INT32 orderLengthFull;
rdpContext* context = update->context;
rdpSettings* settings = context->settings;
rdpSecondaryUpdate* secondary = update->secondary;
const char* name;
BOOL defaultReturn;
defaultReturn = freerdp_settings_get_bool(settings, FreeRDP_DeactivateClientDecoding);
rem = Stream_GetRemainingLength(s);
if (rem < 5)
{
WLog_Print(update->log, WLOG_ERROR, "Stream_GetRemainingLength(s) < 5");
return FALSE;
}
Stream_Read_INT16(s, orderLength); /* orderLength (2 bytes signed) */
Stream_Read_UINT16(s, extraFlags); /* extraFlags (2 bytes) */
Stream_Read_UINT8(s, orderType); /* orderType (1 byte) */
start = Stream_GetPosition(s);
name = secondary_order_string(orderType);
WLog_Print(update->log, WLOG_DEBUG, "Secondary Drawing Order %s", name);
rc = IFCALLRESULT(TRUE, secondary->CacheOrderInfo, context, orderLength, extraFlags, orderType,
name);
if (!rc)
return FALSE;
/*
* According to [MS-RDPEGDI] 2.2.2.2.1.2.1.1 the order length must be increased by 13 bytes
* including the header. As we already read the header 7 left
*/
rem = Stream_GetRemainingLength(s);
/* orderLength might be negative without the adjusted header data.
* Account for that here so all further checks operate on the correct value.
*/
orderLengthFull = orderLength + 7;
if ((orderLengthFull < 0) || (rem < (size_t)orderLengthFull))
{
WLog_Print(update->log, WLOG_ERROR, "Stream_GetRemainingLength(s) %" PRIuz " < %" PRId32,
rem, orderLengthFull);
return FALSE;
}
if (!check_secondary_order_supported(update->log, settings, orderType, name))
return FALSE;
switch (orderType)
{
case ORDER_TYPE_BITMAP_UNCOMPRESSED:
case ORDER_TYPE_CACHE_BITMAP_COMPRESSED:
{
const BOOL compressed = (orderType == ORDER_TYPE_CACHE_BITMAP_COMPRESSED);
CACHE_BITMAP_ORDER* order =
update_read_cache_bitmap_order(update, s, compressed, extraFlags);
if (order)
{
rc = IFCALLRESULT(defaultReturn, secondary->CacheBitmap, context, order);
free_cache_bitmap_order(context, order);
}
}
break;
case ORDER_TYPE_BITMAP_UNCOMPRESSED_V2:
case ORDER_TYPE_BITMAP_COMPRESSED_V2:
{
const BOOL compressed = (orderType == ORDER_TYPE_BITMAP_COMPRESSED_V2);
CACHE_BITMAP_V2_ORDER* order =
update_read_cache_bitmap_v2_order(update, s, compressed, extraFlags);
if (order)
{
rc = IFCALLRESULT(defaultReturn, secondary->CacheBitmapV2, context, order);
free_cache_bitmap_v2_order(context, order);
}
}
break;
case ORDER_TYPE_BITMAP_COMPRESSED_V3:
{
CACHE_BITMAP_V3_ORDER* order = update_read_cache_bitmap_v3_order(update, s, extraFlags);
if (order)
{
rc = IFCALLRESULT(defaultReturn, secondary->CacheBitmapV3, context, order);
free_cache_bitmap_v3_order(context, order);
}
}
break;
case ORDER_TYPE_CACHE_COLOR_TABLE:
{
CACHE_COLOR_TABLE_ORDER* order =
update_read_cache_color_table_order(update, s, extraFlags);
if (order)
{
rc = IFCALLRESULT(defaultReturn, secondary->CacheColorTable, context, order);
free_cache_color_table_order(context, order);
}
}
break;
case ORDER_TYPE_CACHE_GLYPH:
{
switch (settings->GlyphSupportLevel)
{
case GLYPH_SUPPORT_PARTIAL:
case GLYPH_SUPPORT_FULL:
{
CACHE_GLYPH_ORDER* order = update_read_cache_glyph_order(update, s, extraFlags);
if (order)
{
rc = IFCALLRESULT(defaultReturn, secondary->CacheGlyph, context, order);
free_cache_glyph_order(context, order);
}
}
break;
case GLYPH_SUPPORT_ENCODE:
{
CACHE_GLYPH_V2_ORDER* order =
update_read_cache_glyph_v2_order(update, s, extraFlags);
if (order)
{
rc = IFCALLRESULT(defaultReturn, secondary->CacheGlyphV2, context, order);
free_cache_glyph_v2_order(context, order);
}
}
break;
case GLYPH_SUPPORT_NONE:
default:
break;
}
}
break;
case ORDER_TYPE_CACHE_BRUSH:
/* [MS-RDPEGDI] 2.2.2.2.1.2.7 Cache Brush (CACHE_BRUSH_ORDER) */
{
CACHE_BRUSH_ORDER* order = update_read_cache_brush_order(update, s, extraFlags);
if (order)
{
rc = IFCALLRESULT(defaultReturn, secondary->CacheBrush, context, order);
free_cache_brush_order(context, order);
}
}
break;
default:
WLog_Print(update->log, WLOG_WARN, "SECONDARY ORDER %s not supported", name);
break;
}
if (!rc)
{
WLog_Print(update->log, WLOG_ERROR, "SECONDARY ORDER %s failed", name);
}
end = start + orderLengthFull;
pos = Stream_GetPosition(s);
if (pos > end)
{
WLog_Print(update->log, WLOG_WARN, "SECONDARY_ORDER %s: read %" PRIuz "bytes too much",
name, pos - end);
return FALSE;
}
diff = end - pos;
if (diff > 0)
{
WLog_Print(update->log, WLOG_DEBUG,
"SECONDARY_ORDER %s: read %" PRIuz "bytes short, skipping", name, diff);
if (!Stream_SafeSeek(s, diff))
return FALSE;
}
return rc;
}
static BOOL read_altsec_order(wStream* s, BYTE orderType, rdpAltSecUpdate* altsec)
{
BOOL rc = FALSE;
switch (orderType)
{
case ORDER_TYPE_CREATE_OFFSCREEN_BITMAP:
rc = update_read_create_offscreen_bitmap_order(s, &(altsec->create_offscreen_bitmap));
break;
case ORDER_TYPE_SWITCH_SURFACE:
rc = update_read_switch_surface_order(s, &(altsec->switch_surface));
break;
case ORDER_TYPE_CREATE_NINE_GRID_BITMAP:
rc = update_read_create_nine_grid_bitmap_order(s, &(altsec->create_nine_grid_bitmap));
break;
case ORDER_TYPE_FRAME_MARKER:
rc = update_read_frame_marker_order(s, &(altsec->frame_marker));
break;
case ORDER_TYPE_STREAM_BITMAP_FIRST:
rc = update_read_stream_bitmap_first_order(s, &(altsec->stream_bitmap_first));
break;
case ORDER_TYPE_STREAM_BITMAP_NEXT:
rc = update_read_stream_bitmap_next_order(s, &(altsec->stream_bitmap_next));
break;
case ORDER_TYPE_GDIPLUS_FIRST:
rc = update_read_draw_gdiplus_first_order(s, &(altsec->draw_gdiplus_first));
break;
case ORDER_TYPE_GDIPLUS_NEXT:
rc = update_read_draw_gdiplus_next_order(s, &(altsec->draw_gdiplus_next));
break;
case ORDER_TYPE_GDIPLUS_END:
rc = update_read_draw_gdiplus_end_order(s, &(altsec->draw_gdiplus_end));
break;
case ORDER_TYPE_GDIPLUS_CACHE_FIRST:
rc = update_read_draw_gdiplus_cache_first_order(s, &(altsec->draw_gdiplus_cache_first));
break;
case ORDER_TYPE_GDIPLUS_CACHE_NEXT:
rc = update_read_draw_gdiplus_cache_next_order(s, &(altsec->draw_gdiplus_cache_next));
break;
case ORDER_TYPE_GDIPLUS_CACHE_END:
rc = update_read_draw_gdiplus_cache_end_order(s, &(altsec->draw_gdiplus_cache_end));
break;
case ORDER_TYPE_WINDOW:
/* This order is handled elsewhere. */
rc = TRUE;
break;
case ORDER_TYPE_COMPDESK_FIRST:
rc = TRUE;
break;
default:
break;
}
return rc;
}
static BOOL update_recv_altsec_order(rdpUpdate* update, wStream* s, BYTE flags)
{
BYTE orderType = flags >>= 2; /* orderType is in higher 6 bits of flags field */
BOOL rc = FALSE;
rdpContext* context = update->context;
rdpSettings* settings = context->settings;
rdpAltSecUpdate* altsec = update->altsec;
const char* orderName = altsec_order_string(orderType);
WLog_Print(update->log, WLOG_DEBUG, "Alternate Secondary Drawing Order %s", orderName);
rc = IFCALLRESULT(TRUE, altsec->DrawOrderInfo, context, orderType, orderName);
if (!rc)
return FALSE;
if (!check_alt_order_supported(update->log, settings, orderType, orderName))
return FALSE;
if (!read_altsec_order(s, orderType, altsec))
return FALSE;
switch (orderType)
{
case ORDER_TYPE_CREATE_OFFSCREEN_BITMAP:
IFCALLRET(altsec->CreateOffscreenBitmap, rc, context,
&(altsec->create_offscreen_bitmap));
break;
case ORDER_TYPE_SWITCH_SURFACE:
IFCALLRET(altsec->SwitchSurface, rc, context, &(altsec->switch_surface));
break;
case ORDER_TYPE_CREATE_NINE_GRID_BITMAP:
IFCALLRET(altsec->CreateNineGridBitmap, rc, context,
&(altsec->create_nine_grid_bitmap));
break;
case ORDER_TYPE_FRAME_MARKER:
IFCALLRET(altsec->FrameMarker, rc, context, &(altsec->frame_marker));
break;
case ORDER_TYPE_STREAM_BITMAP_FIRST:
IFCALLRET(altsec->StreamBitmapFirst, rc, context, &(altsec->stream_bitmap_first));
break;
case ORDER_TYPE_STREAM_BITMAP_NEXT:
IFCALLRET(altsec->StreamBitmapNext, rc, context, &(altsec->stream_bitmap_next));
break;
case ORDER_TYPE_GDIPLUS_FIRST:
IFCALLRET(altsec->DrawGdiPlusFirst, rc, context, &(altsec->draw_gdiplus_first));
break;
case ORDER_TYPE_GDIPLUS_NEXT:
IFCALLRET(altsec->DrawGdiPlusNext, rc, context, &(altsec->draw_gdiplus_next));
break;
case ORDER_TYPE_GDIPLUS_END:
IFCALLRET(altsec->DrawGdiPlusEnd, rc, context, &(altsec->draw_gdiplus_end));
break;
case ORDER_TYPE_GDIPLUS_CACHE_FIRST:
IFCALLRET(altsec->DrawGdiPlusCacheFirst, rc, context,
&(altsec->draw_gdiplus_cache_first));
break;
case ORDER_TYPE_GDIPLUS_CACHE_NEXT:
IFCALLRET(altsec->DrawGdiPlusCacheNext, rc, context,
&(altsec->draw_gdiplus_cache_next));
break;
case ORDER_TYPE_GDIPLUS_CACHE_END:
IFCALLRET(altsec->DrawGdiPlusCacheEnd, rc, context, &(altsec->draw_gdiplus_cache_end));
break;
case ORDER_TYPE_WINDOW:
rc = update_recv_altsec_window_order(update, s);
break;
case ORDER_TYPE_COMPDESK_FIRST:
rc = TRUE;
break;
default:
break;
}
if (!rc)
{
WLog_Print(update->log, WLOG_WARN, "Alternate Secondary Drawing Order %s failed",
orderName);
}
return rc;
}
BOOL update_recv_order(rdpUpdate* update, wStream* s)
{
BOOL rc;
BYTE controlFlags;
if (Stream_GetRemainingLength(s) < 1)
{
WLog_Print(update->log, WLOG_ERROR, "Stream_GetRemainingLength(s) < 1");
return FALSE;
}
Stream_Read_UINT8(s, controlFlags); /* controlFlags (1 byte) */
if (!(controlFlags & ORDER_STANDARD))
rc = update_recv_altsec_order(update, s, controlFlags);
else if (controlFlags & ORDER_SECONDARY)
rc = update_recv_secondary_order(update, s, controlFlags);
else
rc = update_recv_primary_order(update, s, controlFlags);
if (!rc)
WLog_Print(update->log, WLOG_ERROR, "order flags %02" PRIx8 " failed", controlFlags);
return rc;
}
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