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FreeRDP/libfreerdp/core/update.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Update Data PDUs
*
* 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 <winpr/crt.h>
#include <winpr/print.h>
#include <winpr/synch.h>
#include <winpr/thread.h>
#include <winpr/collections.h>
#include "update.h"
#include "surface.h"
#include "message.h"
#include "info.h"
#include "window.h"
#include <freerdp/log.h>
#include <freerdp/peer.h>
#include <freerdp/codec/bitmap.h>
#include "../cache/pointer.h"
#include "../cache/palette.h"
#include "../cache/bitmap.h"
#define TAG FREERDP_TAG("core.update")
static const char* const UPDATE_TYPE_STRINGS[] = { "Orders", "Bitmap", "Palette", "Synchronize" };
static const char* update_type_to_string(UINT16 updateType)
{
if (updateType >= ARRAYSIZE(UPDATE_TYPE_STRINGS))
return "UNKNOWN";
return UPDATE_TYPE_STRINGS[updateType];
}
static BOOL update_recv_orders(rdpUpdate* update, wStream* s)
{
UINT16 numberOrders;
if (Stream_GetRemainingLength(s) < 6)
{
WLog_ERR(TAG, "Stream_GetRemainingLength(s) < 6");
return FALSE;
}
Stream_Seek_UINT16(s); /* pad2OctetsA (2 bytes) */
Stream_Read_UINT16(s, numberOrders); /* numberOrders (2 bytes) */
Stream_Seek_UINT16(s); /* pad2OctetsB (2 bytes) */
while (numberOrders > 0)
{
if (!update_recv_order(update, s))
{
WLog_ERR(TAG, "update_recv_order() failed");
return FALSE;
}
numberOrders--;
}
return TRUE;
}
static BOOL update_read_bitmap_data(rdpUpdate* update, wStream* s, BITMAP_DATA* bitmapData)
{
WINPR_UNUSED(update);
if (Stream_GetRemainingLength(s) < 18)
return FALSE;
Stream_Read_UINT16(s, bitmapData->destLeft);
Stream_Read_UINT16(s, bitmapData->destTop);
Stream_Read_UINT16(s, bitmapData->destRight);
Stream_Read_UINT16(s, bitmapData->destBottom);
Stream_Read_UINT16(s, bitmapData->width);
Stream_Read_UINT16(s, bitmapData->height);
Stream_Read_UINT16(s, bitmapData->bitsPerPixel);
Stream_Read_UINT16(s, bitmapData->flags);
Stream_Read_UINT16(s, bitmapData->bitmapLength);
if (bitmapData->flags & BITMAP_COMPRESSION)
{
if (!(bitmapData->flags & NO_BITMAP_COMPRESSION_HDR))
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT16(s,
bitmapData->cbCompFirstRowSize); /* cbCompFirstRowSize (2 bytes) */
Stream_Read_UINT16(s,
bitmapData->cbCompMainBodySize); /* cbCompMainBodySize (2 bytes) */
Stream_Read_UINT16(s, bitmapData->cbScanWidth); /* cbScanWidth (2 bytes) */
Stream_Read_UINT16(s,
bitmapData->cbUncompressedSize); /* cbUncompressedSize (2 bytes) */
bitmapData->bitmapLength = bitmapData->cbCompMainBodySize;
}
bitmapData->compressed = TRUE;
}
else
bitmapData->compressed = FALSE;
if (Stream_GetRemainingLength(s) < bitmapData->bitmapLength)
return FALSE;
if (bitmapData->bitmapLength > 0)
{
bitmapData->bitmapDataStream = malloc(bitmapData->bitmapLength);
if (!bitmapData->bitmapDataStream)
return FALSE;
memcpy(bitmapData->bitmapDataStream, Stream_Pointer(s), bitmapData->bitmapLength);
Stream_Seek(s, bitmapData->bitmapLength);
}
return TRUE;
}
static BOOL update_write_bitmap_data(rdpUpdate* update, wStream* s, BITMAP_DATA* bitmapData)
{
if (!Stream_EnsureRemainingCapacity(s, 64 + bitmapData->bitmapLength))
return FALSE;
if (update->autoCalculateBitmapData)
{
bitmapData->flags = 0;
bitmapData->cbCompFirstRowSize = 0;
if (bitmapData->compressed)
bitmapData->flags |= BITMAP_COMPRESSION;
if (update->context->settings->NoBitmapCompressionHeader)
{
bitmapData->flags |= NO_BITMAP_COMPRESSION_HDR;
bitmapData->cbCompMainBodySize = bitmapData->bitmapLength;
}
}
Stream_Write_UINT16(s, bitmapData->destLeft);
Stream_Write_UINT16(s, bitmapData->destTop);
Stream_Write_UINT16(s, bitmapData->destRight);
Stream_Write_UINT16(s, bitmapData->destBottom);
Stream_Write_UINT16(s, bitmapData->width);
Stream_Write_UINT16(s, bitmapData->height);
Stream_Write_UINT16(s, bitmapData->bitsPerPixel);
Stream_Write_UINT16(s, bitmapData->flags);
Stream_Write_UINT16(s, bitmapData->bitmapLength);
if (bitmapData->flags & BITMAP_COMPRESSION)
{
if (!(bitmapData->flags & NO_BITMAP_COMPRESSION_HDR))
{
Stream_Write_UINT16(s,
bitmapData->cbCompFirstRowSize); /* cbCompFirstRowSize (2 bytes) */
Stream_Write_UINT16(s,
bitmapData->cbCompMainBodySize); /* cbCompMainBodySize (2 bytes) */
Stream_Write_UINT16(s, bitmapData->cbScanWidth); /* cbScanWidth (2 bytes) */
Stream_Write_UINT16(s,
bitmapData->cbUncompressedSize); /* cbUncompressedSize (2 bytes) */
}
Stream_Write(s, bitmapData->bitmapDataStream, bitmapData->bitmapLength);
}
else
{
Stream_Write(s, bitmapData->bitmapDataStream, bitmapData->bitmapLength);
}
return TRUE;
}
BITMAP_UPDATE* update_read_bitmap_update(rdpUpdate* update, wStream* s)
{
UINT32 i;
BITMAP_UPDATE* bitmapUpdate = calloc(1, sizeof(BITMAP_UPDATE));
if (!bitmapUpdate)
goto fail;
if (Stream_GetRemainingLength(s) < 2)
goto fail;
Stream_Read_UINT16(s, bitmapUpdate->number); /* numberRectangles (2 bytes) */
WLog_Print(update->log, WLOG_TRACE, "BitmapUpdate: %" PRIu32 "", bitmapUpdate->number);
if (bitmapUpdate->number > bitmapUpdate->count)
{
UINT32 count = bitmapUpdate->number * 2;
BITMAP_DATA* newdata =
(BITMAP_DATA*)realloc(bitmapUpdate->rectangles, sizeof(BITMAP_DATA) * count);
if (!newdata)
goto fail;
bitmapUpdate->rectangles = newdata;
ZeroMemory(&bitmapUpdate->rectangles[bitmapUpdate->count],
sizeof(BITMAP_DATA) * (count - bitmapUpdate->count));
bitmapUpdate->count = count;
}
/* rectangles */
for (i = 0; i < bitmapUpdate->number; i++)
{
if (!update_read_bitmap_data(update, s, &bitmapUpdate->rectangles[i]))
goto fail;
}
return bitmapUpdate;
fail:
free_bitmap_update(update->context, bitmapUpdate);
return NULL;
}
static BOOL update_write_bitmap_update(rdpUpdate* update, wStream* s,
const BITMAP_UPDATE* bitmapUpdate)
{
int i;
if (!Stream_EnsureRemainingCapacity(s, 32))
return FALSE;
Stream_Write_UINT16(s, UPDATE_TYPE_BITMAP); /* updateType */
Stream_Write_UINT16(s, bitmapUpdate->number); /* numberRectangles (2 bytes) */
/* rectangles */
for (i = 0; i < (int)bitmapUpdate->number; i++)
{
if (!update_write_bitmap_data(update, s, &bitmapUpdate->rectangles[i]))
return FALSE;
}
return TRUE;
}
PALETTE_UPDATE* update_read_palette(rdpUpdate* update, wStream* s)
{
int i;
PALETTE_ENTRY* entry;
PALETTE_UPDATE* palette_update = calloc(1, sizeof(PALETTE_UPDATE));
if (!palette_update)
goto fail;
if (Stream_GetRemainingLength(s) < 6)
goto fail;
Stream_Seek_UINT16(s); /* pad2Octets (2 bytes) */
Stream_Read_UINT32(s, palette_update->number); /* numberColors (4 bytes), must be set to 256 */
if (palette_update->number > 256)
palette_update->number = 256;
if (Stream_GetRemainingLength(s) < palette_update->number * 3)
goto fail;
/* paletteEntries */
for (i = 0; i < (int)palette_update->number; i++)
{
entry = &palette_update->entries[i];
Stream_Read_UINT8(s, entry->red);
Stream_Read_UINT8(s, entry->green);
Stream_Read_UINT8(s, entry->blue);
}
return palette_update;
fail:
free_palette_update(update->context, palette_update);
return NULL;
}
static BOOL update_read_synchronize(rdpUpdate* update, wStream* s)
{
WINPR_UNUSED(update);
return Stream_SafeSeek(s, 2); /* pad2Octets (2 bytes) */
/**
* The Synchronize Update is an artifact from the
* T.128 protocol and should be ignored.
*/
}
static BOOL update_read_play_sound(wStream* s, PLAY_SOUND_UPDATE* play_sound)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, play_sound->duration); /* duration (4 bytes) */
Stream_Read_UINT32(s, play_sound->frequency); /* frequency (4 bytes) */
return TRUE;
}
BOOL update_recv_play_sound(rdpUpdate* update, wStream* s)
{
PLAY_SOUND_UPDATE play_sound;
if (!update_read_play_sound(s, &play_sound))
return FALSE;
return IFCALLRESULT(FALSE, update->PlaySound, update->context, &play_sound);
}
POINTER_POSITION_UPDATE* update_read_pointer_position(rdpUpdate* update, wStream* s)
{
POINTER_POSITION_UPDATE* pointer_position = calloc(1, sizeof(POINTER_POSITION_UPDATE));
if (!pointer_position)
goto fail;
if (Stream_GetRemainingLength(s) < 4)
goto fail;
Stream_Read_UINT16(s, pointer_position->xPos); /* xPos (2 bytes) */
Stream_Read_UINT16(s, pointer_position->yPos); /* yPos (2 bytes) */
return pointer_position;
fail:
free_pointer_position_update(update->context, pointer_position);
return NULL;
}
POINTER_SYSTEM_UPDATE* update_read_pointer_system(rdpUpdate* update, wStream* s)
{
POINTER_SYSTEM_UPDATE* pointer_system = calloc(1, sizeof(POINTER_SYSTEM_UPDATE));
if (!pointer_system)
goto fail;
if (Stream_GetRemainingLength(s) < 4)
goto fail;
Stream_Read_UINT32(s, pointer_system->type); /* systemPointerType (4 bytes) */
return pointer_system;
fail:
free_pointer_system_update(update->context, pointer_system);
return NULL;
}
static BOOL _update_read_pointer_color(wStream* s, POINTER_COLOR_UPDATE* pointer_color, BYTE xorBpp,
UINT32 flags)
{
BYTE* newMask;
UINT32 scanlineSize;
UINT32 max = 32;
if (flags & LARGE_POINTER_FLAG_96x96)
max = 96;
if (!pointer_color)
goto fail;
if (Stream_GetRemainingLength(s) < 14)
goto fail;
Stream_Read_UINT16(s, pointer_color->cacheIndex); /* cacheIndex (2 bytes) */
Stream_Read_UINT16(s, pointer_color->xPos); /* xPos (2 bytes) */
Stream_Read_UINT16(s, pointer_color->yPos); /* yPos (2 bytes) */
/**
* As stated in 2.2.9.1.1.4.4 Color Pointer Update:
* The maximum allowed pointer width/height is 96 pixels if the client indicated support
* for large pointers by setting the LARGE_POINTER_FLAG (0x00000001) in the Large
* Pointer Capability Set (section 2.2.7.2.7). If the LARGE_POINTER_FLAG was not
* set, the maximum allowed pointer width/height is 32 pixels.
*
* So we check for a maximum for CVE-2014-0250.
*/
Stream_Read_UINT16(s, pointer_color->width); /* width (2 bytes) */
Stream_Read_UINT16(s, pointer_color->height); /* height (2 bytes) */
if ((pointer_color->width > max) || (pointer_color->height > max))
goto fail;
Stream_Read_UINT16(s, pointer_color->lengthAndMask); /* lengthAndMask (2 bytes) */
Stream_Read_UINT16(s, pointer_color->lengthXorMask); /* lengthXorMask (2 bytes) */
/**
* There does not seem to be any documentation on why
* xPos / yPos can be larger than width / height
* so it is missing in documentation or a bug in implementation
* 2.2.9.1.1.4.4 Color Pointer Update (TS_COLORPOINTERATTRIBUTE)
*/
if (pointer_color->xPos >= pointer_color->width)
pointer_color->xPos = 0;
if (pointer_color->yPos >= pointer_color->height)
pointer_color->yPos = 0;
if (pointer_color->lengthXorMask > 0)
{
/**
* Spec states that:
*
* xorMaskData (variable): A variable-length array of bytes. Contains the 24-bpp, bottom-up
* XOR mask scan-line data. The XOR mask is padded to a 2-byte boundary for each encoded
* scan-line. For example, if a 3x3 pixel cursor is being sent, then each scan-line will
* consume 10 bytes (3 pixels per scan-line multiplied by 3 bytes per pixel, rounded up to
* the next even number of bytes).
*
* In fact instead of 24-bpp, the bpp parameter is given by the containing packet.
*/
if (Stream_GetRemainingLength(s) < pointer_color->lengthXorMask)
goto fail;
scanlineSize = (7 + xorBpp * pointer_color->width) / 8;
scanlineSize = ((scanlineSize + 1) / 2) * 2;
if (scanlineSize * pointer_color->height != pointer_color->lengthXorMask)
{
WLog_ERR(TAG,
"invalid lengthXorMask: width=%" PRIu32 " height=%" PRIu32 ", %" PRIu32
" instead of %" PRIu32 "",
pointer_color->width, pointer_color->height, pointer_color->lengthXorMask,
scanlineSize * pointer_color->height);
goto fail;
}
newMask = realloc(pointer_color->xorMaskData, pointer_color->lengthXorMask);
if (!newMask)
goto fail;
pointer_color->xorMaskData = newMask;
Stream_Read(s, pointer_color->xorMaskData, pointer_color->lengthXorMask);
}
if (pointer_color->lengthAndMask > 0)
{
/**
* andMaskData (variable): A variable-length array of bytes. Contains the 1-bpp, bottom-up
* AND mask scan-line data. The AND mask is padded to a 2-byte boundary for each encoded
* scan-line. For example, if a 7x7 pixel cursor is being sent, then each scan-line will
* consume 2 bytes (7 pixels per scan-line multiplied by 1 bpp, rounded up to the next even
* number of bytes).
*/
if (Stream_GetRemainingLength(s) < pointer_color->lengthAndMask)
goto fail;
scanlineSize = ((7 + pointer_color->width) / 8);
scanlineSize = ((1 + scanlineSize) / 2) * 2;
if (scanlineSize * pointer_color->height != pointer_color->lengthAndMask)
{
WLog_ERR(TAG, "invalid lengthAndMask: %" PRIu32 " instead of %" PRIu32 "",
pointer_color->lengthAndMask, scanlineSize * pointer_color->height);
goto fail;
}
newMask = realloc(pointer_color->andMaskData, pointer_color->lengthAndMask);
if (!newMask)
goto fail;
pointer_color->andMaskData = newMask;
Stream_Read(s, pointer_color->andMaskData, pointer_color->lengthAndMask);
}
if (Stream_GetRemainingLength(s) > 0)
Stream_Seek_UINT8(s); /* pad (1 byte) */
return TRUE;
fail:
return FALSE;
}
POINTER_COLOR_UPDATE* update_read_pointer_color(rdpUpdate* update, wStream* s, BYTE xorBpp)
{
POINTER_COLOR_UPDATE* pointer_color = calloc(1, sizeof(POINTER_COLOR_UPDATE));
if (!pointer_color)
goto fail;
if (!_update_read_pointer_color(s, pointer_color, xorBpp,
update->context->settings->LargePointerFlag))
goto fail;
return pointer_color;
fail:
free_pointer_color_update(update->context, pointer_color);
return NULL;
}
static BOOL _update_read_pointer_large(wStream* s, POINTER_LARGE_UPDATE* pointer)
{
BYTE* newMask;
UINT32 scanlineSize;
if (!pointer)
goto fail;
if (Stream_GetRemainingLength(s) < 20)
goto fail;
Stream_Read_UINT16(s, pointer->xorBpp);
Stream_Read_UINT16(s, pointer->cacheIndex); /* cacheIndex (2 bytes) */
Stream_Read_UINT16(s, pointer->hotSpotX); /* xPos (2 bytes) */
Stream_Read_UINT16(s, pointer->hotSpotY); /* yPos (2 bytes) */
Stream_Read_UINT16(s, pointer->width); /* width (2 bytes) */
Stream_Read_UINT16(s, pointer->height); /* height (2 bytes) */
if ((pointer->width > 384) || (pointer->height > 384))
goto fail;
Stream_Read_UINT32(s, pointer->lengthAndMask); /* lengthAndMask (4 bytes) */
Stream_Read_UINT32(s, pointer->lengthXorMask); /* lengthXorMask (4 bytes) */
if (pointer->hotSpotX >= pointer->width)
pointer->hotSpotX = 0;
if (pointer->hotSpotY >= pointer->height)
pointer->hotSpotY = 0;
if (pointer->lengthXorMask > 0)
{
/**
* Spec states that:
*
* xorMaskData (variable): A variable-length array of bytes. Contains the 24-bpp, bottom-up
* XOR mask scan-line data. The XOR mask is padded to a 2-byte boundary for each encoded
* scan-line. For example, if a 3x3 pixel cursor is being sent, then each scan-line will
* consume 10 bytes (3 pixels per scan-line multiplied by 3 bytes per pixel, rounded up to
* the next even number of bytes).
*
* In fact instead of 24-bpp, the bpp parameter is given by the containing packet.
*/
if (Stream_GetRemainingLength(s) < pointer->lengthXorMask)
goto fail;
scanlineSize = (7 + pointer->xorBpp * pointer->width) / 8;
scanlineSize = ((scanlineSize + 1) / 2) * 2;
if (scanlineSize * pointer->height != pointer->lengthXorMask)
{
WLog_ERR(TAG,
"invalid lengthXorMask: width=%" PRIu32 " height=%" PRIu32 ", %" PRIu32
" instead of %" PRIu32 "",
pointer->width, pointer->height, pointer->lengthXorMask,
scanlineSize * pointer->height);
goto fail;
}
newMask = realloc(pointer->xorMaskData, pointer->lengthXorMask);
if (!newMask)
goto fail;
pointer->xorMaskData = newMask;
Stream_Read(s, pointer->xorMaskData, pointer->lengthXorMask);
}
if (pointer->lengthAndMask > 0)
{
/**
* andMaskData (variable): A variable-length array of bytes. Contains the 1-bpp, bottom-up
* AND mask scan-line data. The AND mask is padded to a 2-byte boundary for each encoded
* scan-line. For example, if a 7x7 pixel cursor is being sent, then each scan-line will
* consume 2 bytes (7 pixels per scan-line multiplied by 1 bpp, rounded up to the next even
* number of bytes).
*/
if (Stream_GetRemainingLength(s) < pointer->lengthAndMask)
goto fail;
scanlineSize = ((7 + pointer->width) / 8);
scanlineSize = ((1 + scanlineSize) / 2) * 2;
if (scanlineSize * pointer->height != pointer->lengthAndMask)
{
WLog_ERR(TAG, "invalid lengthAndMask: %" PRIu32 " instead of %" PRIu32 "",
pointer->lengthAndMask, scanlineSize * pointer->height);
goto fail;
}
newMask = realloc(pointer->andMaskData, pointer->lengthAndMask);
if (!newMask)
goto fail;
pointer->andMaskData = newMask;
Stream_Read(s, pointer->andMaskData, pointer->lengthAndMask);
}
if (Stream_GetRemainingLength(s) > 0)
Stream_Seek_UINT8(s); /* pad (1 byte) */
return TRUE;
fail:
return FALSE;
}
POINTER_LARGE_UPDATE* update_read_pointer_large(rdpUpdate* update, wStream* s)
{
POINTER_LARGE_UPDATE* pointer = calloc(1, sizeof(POINTER_LARGE_UPDATE));
if (!pointer)
goto fail;
if (!_update_read_pointer_large(s, pointer))
goto fail;
return pointer;
fail:
free_pointer_large_update(update->context, pointer);
return NULL;
}
POINTER_NEW_UPDATE* update_read_pointer_new(rdpUpdate* update, wStream* s)
{
POINTER_NEW_UPDATE* pointer_new = calloc(1, sizeof(POINTER_NEW_UPDATE));
if (!pointer_new)
goto fail;
if (Stream_GetRemainingLength(s) < 2)
goto fail;
Stream_Read_UINT16(s, pointer_new->xorBpp); /* xorBpp (2 bytes) */
if ((pointer_new->xorBpp < 1) || (pointer_new->xorBpp > 32))
{
WLog_ERR(TAG, "invalid xorBpp %" PRIu32 "", pointer_new->xorBpp);
goto fail;
}
if (!_update_read_pointer_color(s, &pointer_new->colorPtrAttr, pointer_new->xorBpp,
update->context->settings->LargePointerFlag)) /* colorPtrAttr */
goto fail;
return pointer_new;
fail:
free_pointer_new_update(update->context, pointer_new);
return NULL;
}
POINTER_CACHED_UPDATE* update_read_pointer_cached(rdpUpdate* update, wStream* s)
{
POINTER_CACHED_UPDATE* pointer = calloc(1, sizeof(POINTER_CACHED_UPDATE));
if (!pointer)
goto fail;
if (Stream_GetRemainingLength(s) < 2)
goto fail;
Stream_Read_UINT16(s, pointer->cacheIndex); /* cacheIndex (2 bytes) */
return pointer;
fail:
free_pointer_cached_update(update->context, pointer);
return NULL;
}
BOOL update_recv_pointer(rdpUpdate* update, wStream* s)
{
BOOL rc = FALSE;
UINT16 messageType;
rdpContext* context = update->context;
rdpPointerUpdate* pointer = update->pointer;
if (Stream_GetRemainingLength(s) < 2 + 2)
return FALSE;
Stream_Read_UINT16(s, messageType); /* messageType (2 bytes) */
Stream_Seek_UINT16(s); /* pad2Octets (2 bytes) */
switch (messageType)
{
case PTR_MSG_TYPE_POSITION:
{
POINTER_POSITION_UPDATE* pointer_position = update_read_pointer_position(update, s);
if (pointer_position)
{
rc = IFCALLRESULT(FALSE, pointer->PointerPosition, context, pointer_position);
free_pointer_position_update(context, pointer_position);
}
}
break;
case PTR_MSG_TYPE_SYSTEM:
{
POINTER_SYSTEM_UPDATE* pointer_system = update_read_pointer_system(update, s);
if (pointer_system)
{
rc = IFCALLRESULT(FALSE, pointer->PointerSystem, context, pointer_system);
free_pointer_system_update(context, pointer_system);
}
}
break;
case PTR_MSG_TYPE_COLOR:
{
POINTER_COLOR_UPDATE* pointer_color = update_read_pointer_color(update, s, 24);
if (pointer_color)
{
rc = IFCALLRESULT(FALSE, pointer->PointerColor, context, pointer_color);
free_pointer_color_update(context, pointer_color);
}
}
break;
case PTR_MSG_TYPE_POINTER_LARGE:
{
POINTER_LARGE_UPDATE* pointer_large = update_read_pointer_large(update, s);
if (pointer_large)
{
rc = IFCALLRESULT(FALSE, pointer->PointerLarge, context, pointer_large);
free_pointer_large_update(context, pointer_large);
}
}
break;
case PTR_MSG_TYPE_POINTER:
{
POINTER_NEW_UPDATE* pointer_new = update_read_pointer_new(update, s);
if (pointer_new)
{
rc = IFCALLRESULT(FALSE, pointer->PointerNew, context, pointer_new);
free_pointer_new_update(context, pointer_new);
}
}
break;
case PTR_MSG_TYPE_CACHED:
{
POINTER_CACHED_UPDATE* pointer_cached = update_read_pointer_cached(update, s);
if (pointer_cached)
{
rc = IFCALLRESULT(FALSE, pointer->PointerCached, context, pointer_cached);
free_pointer_cached_update(context, pointer_cached);
}
}
break;
default:
break;
}
return rc;
}
BOOL update_recv(rdpUpdate* update, wStream* s)
{
BOOL rc = FALSE;
UINT16 updateType;
rdpContext* context = update->context;
if (Stream_GetRemainingLength(s) < 2)
{
WLog_ERR(TAG, "Stream_GetRemainingLength(s) < 2");
return FALSE;
}
Stream_Read_UINT16(s, updateType); /* updateType (2 bytes) */
WLog_Print(update->log, WLOG_TRACE, "%s Update Data PDU", update_type_to_string(updateType));
if (!update_begin_paint(update))
goto fail;
switch (updateType)
{
case UPDATE_TYPE_ORDERS:
rc = update_recv_orders(update, s);
break;
case UPDATE_TYPE_BITMAP:
{
BITMAP_UPDATE* bitmap_update = update_read_bitmap_update(update, s);
if (!bitmap_update)
{
WLog_ERR(TAG, "UPDATE_TYPE_BITMAP - update_read_bitmap_update() failed");
goto fail;
}
rc = IFCALLRESULT(FALSE, update->BitmapUpdate, context, bitmap_update);
free_bitmap_update(update->context, bitmap_update);
}
break;
case UPDATE_TYPE_PALETTE:
{
PALETTE_UPDATE* palette_update = update_read_palette(update, s);
if (!palette_update)
{
WLog_ERR(TAG, "UPDATE_TYPE_PALETTE - update_read_palette() failed");
goto fail;
}
rc = IFCALLRESULT(FALSE, update->Palette, context, palette_update);
free_palette_update(context, palette_update);
}
break;
case UPDATE_TYPE_SYNCHRONIZE:
if (!update_read_synchronize(update, s))
goto fail;
rc = IFCALLRESULT(TRUE, update->Synchronize, context);
break;
default:
break;
}
fail:
if (!update_end_paint(update))
rc = FALSE;
if (!rc)
{
WLog_ERR(TAG, "UPDATE_TYPE %s [%" PRIu16 "] failed", update_type_to_string(updateType),
updateType);
return FALSE;
}
return TRUE;
}
void update_reset_state(rdpUpdate* update)
{
rdpPrimaryUpdate* primary = update->primary;
rdpAltSecUpdate* altsec = update->altsec;
if (primary->fast_glyph.glyphData.aj)
{
free(primary->fast_glyph.glyphData.aj);
primary->fast_glyph.glyphData.aj = NULL;
}
ZeroMemory(&primary->order_info, sizeof(ORDER_INFO));
ZeroMemory(&primary->dstblt, sizeof(DSTBLT_ORDER));
ZeroMemory(&primary->patblt, sizeof(PATBLT_ORDER));
ZeroMemory(&primary->scrblt, sizeof(SCRBLT_ORDER));
ZeroMemory(&primary->opaque_rect, sizeof(OPAQUE_RECT_ORDER));
ZeroMemory(&primary->draw_nine_grid, sizeof(DRAW_NINE_GRID_ORDER));
ZeroMemory(&primary->multi_dstblt, sizeof(MULTI_DSTBLT_ORDER));
ZeroMemory(&primary->multi_patblt, sizeof(MULTI_PATBLT_ORDER));
ZeroMemory(&primary->multi_scrblt, sizeof(MULTI_SCRBLT_ORDER));
ZeroMemory(&primary->multi_opaque_rect, sizeof(MULTI_OPAQUE_RECT_ORDER));
ZeroMemory(&primary->multi_draw_nine_grid, sizeof(MULTI_DRAW_NINE_GRID_ORDER));
ZeroMemory(&primary->line_to, sizeof(LINE_TO_ORDER));
ZeroMemory(&primary->polyline, sizeof(POLYLINE_ORDER));
ZeroMemory(&primary->memblt, sizeof(MEMBLT_ORDER));
ZeroMemory(&primary->mem3blt, sizeof(MEM3BLT_ORDER));
ZeroMemory(&primary->save_bitmap, sizeof(SAVE_BITMAP_ORDER));
ZeroMemory(&primary->glyph_index, sizeof(GLYPH_INDEX_ORDER));
ZeroMemory(&primary->fast_index, sizeof(FAST_INDEX_ORDER));
ZeroMemory(&primary->fast_glyph, sizeof(FAST_GLYPH_ORDER));
ZeroMemory(&primary->polygon_sc, sizeof(POLYGON_SC_ORDER));
ZeroMemory(&primary->polygon_cb, sizeof(POLYGON_CB_ORDER));
ZeroMemory(&primary->ellipse_sc, sizeof(ELLIPSE_SC_ORDER));
ZeroMemory(&primary->ellipse_cb, sizeof(ELLIPSE_CB_ORDER));
primary->order_info.orderType = ORDER_TYPE_PATBLT;
if (!update->initialState)
{
altsec->switch_surface.bitmapId = SCREEN_BITMAP_SURFACE;
IFCALL(altsec->SwitchSurface, update->context, &(altsec->switch_surface));
}
}
BOOL update_post_connect(rdpUpdate* update)
{
update->asynchronous = update->context->settings->AsyncUpdate;
if (update->asynchronous)
if (!(update->proxy = update_message_proxy_new(update)))
return FALSE;
update->altsec->switch_surface.bitmapId = SCREEN_BITMAP_SURFACE;
IFCALL(update->altsec->SwitchSurface, update->context, &(update->altsec->switch_surface));
update->initialState = FALSE;
return TRUE;
}
void update_post_disconnect(rdpUpdate* update)
{
update->asynchronous = update->context->settings->AsyncUpdate;
if (update->asynchronous)
update_message_proxy_free(update->proxy);
update->initialState = TRUE;
}
static BOOL _update_begin_paint(rdpContext* context)
{
wStream* s;
rdpUpdate* update = context->update;
if (update->us)
{
if (!update_end_paint(update))
return FALSE;
}
s = fastpath_update_pdu_init_new(context->rdp->fastpath);
if (!s)
return FALSE;
Stream_SealLength(s);
Stream_Seek(s, 2); /* numberOrders (2 bytes) */
update->combineUpdates = TRUE;
update->numberOrders = 0;
update->us = s;
return TRUE;
}
static BOOL _update_end_paint(rdpContext* context)
{
wStream* s;
int headerLength;
rdpUpdate* update = context->update;
if (!update->us)
return FALSE;
s = update->us;
headerLength = Stream_Length(s);
Stream_SealLength(s);
Stream_SetPosition(s, headerLength);
Stream_Write_UINT16(s, update->numberOrders); /* numberOrders (2 bytes) */
Stream_SetPosition(s, Stream_Length(s));
if (update->numberOrders > 0)
{
WLog_DBG(TAG, "sending %" PRIu16 " orders", update->numberOrders);
fastpath_send_update_pdu(context->rdp->fastpath, FASTPATH_UPDATETYPE_ORDERS, s, FALSE);
}
update->combineUpdates = FALSE;
update->numberOrders = 0;
update->us = NULL;
Stream_Free(s, TRUE);
return TRUE;
}
static void update_flush(rdpContext* context)
{
rdpUpdate* update = context->update;
if (update->numberOrders > 0)
{
update_end_paint(update);
update_begin_paint(update);
}
}
static void update_force_flush(rdpContext* context)
{
update_flush(context);
}
static BOOL update_check_flush(rdpContext* context, int size)
{
wStream* s;
rdpUpdate* update = context->update;
s = update->us;
if (!update->us)
{
update_begin_paint(update);
return FALSE;
}
if (Stream_GetPosition(s) + size + 64 >= 0x3FFF)
{
update_flush(context);
return TRUE;
}
return FALSE;
}
static BOOL update_set_bounds(rdpContext* context, const rdpBounds* bounds)
{
rdpUpdate* update = context->update;
CopyMemory(&update->previousBounds, &update->currentBounds, sizeof(rdpBounds));
if (!bounds)
ZeroMemory(&update->currentBounds, sizeof(rdpBounds));
else
CopyMemory(&update->currentBounds, bounds, sizeof(rdpBounds));
return TRUE;
}
static BOOL update_bounds_is_null(rdpBounds* bounds)
{
if ((bounds->left == 0) && (bounds->top == 0) && (bounds->right == 0) && (bounds->bottom == 0))
return TRUE;
return FALSE;
}
static BOOL update_bounds_equals(rdpBounds* bounds1, rdpBounds* bounds2)
{
if ((bounds1->left == bounds2->left) && (bounds1->top == bounds2->top) &&
(bounds1->right == bounds2->right) && (bounds1->bottom == bounds2->bottom))
return TRUE;
return FALSE;
}
static int update_prepare_bounds(rdpContext* context, ORDER_INFO* orderInfo)
{
int length = 0;
rdpUpdate* update = context->update;
orderInfo->boundsFlags = 0;
if (update_bounds_is_null(&update->currentBounds))
return 0;
orderInfo->controlFlags |= ORDER_BOUNDS;
if (update_bounds_equals(&update->previousBounds, &update->currentBounds))
{
orderInfo->controlFlags |= ORDER_ZERO_BOUNDS_DELTAS;
return 0;
}
else
{
length += 1;
if (update->previousBounds.left != update->currentBounds.left)
{
orderInfo->bounds.left = update->currentBounds.left;
orderInfo->boundsFlags |= BOUND_LEFT;
length += 2;
}
if (update->previousBounds.top != update->currentBounds.top)
{
orderInfo->bounds.top = update->currentBounds.top;
orderInfo->boundsFlags |= BOUND_TOP;
length += 2;
}
if (update->previousBounds.right != update->currentBounds.right)
{
orderInfo->bounds.right = update->currentBounds.right;
orderInfo->boundsFlags |= BOUND_RIGHT;
length += 2;
}
if (update->previousBounds.bottom != update->currentBounds.bottom)
{
orderInfo->bounds.bottom = update->currentBounds.bottom;
orderInfo->boundsFlags |= BOUND_BOTTOM;
length += 2;
}
}
return length;
}
static int update_prepare_order_info(rdpContext* context, ORDER_INFO* orderInfo, UINT32 orderType)
{
int length = 1;
orderInfo->fieldFlags = 0;
orderInfo->orderType = orderType;
orderInfo->controlFlags = ORDER_STANDARD;
orderInfo->controlFlags |= ORDER_TYPE_CHANGE;
length += 1;
length += get_primary_drawing_order_field_bytes(orderInfo->orderType, NULL);
length += update_prepare_bounds(context, orderInfo);
return length;
}
static int update_write_order_info(rdpContext* context, wStream* s, ORDER_INFO* orderInfo,
size_t offset)
{
size_t position;
WINPR_UNUSED(context);
position = Stream_GetPosition(s);
Stream_SetPosition(s, offset);
Stream_Write_UINT8(s, orderInfo->controlFlags); /* controlFlags (1 byte) */
if (orderInfo->controlFlags & ORDER_TYPE_CHANGE)
Stream_Write_UINT8(s, orderInfo->orderType); /* orderType (1 byte) */
update_write_field_flags(s, orderInfo->fieldFlags, orderInfo->controlFlags,
get_primary_drawing_order_field_bytes(orderInfo->orderType, NULL));
update_write_bounds(s, orderInfo);
Stream_SetPosition(s, position);
return 0;
}
static void update_write_refresh_rect(wStream* s, BYTE count, const RECTANGLE_16* areas)
{
int i;
Stream_Write_UINT8(s, count); /* numberOfAreas (1 byte) */
Stream_Seek(s, 3); /* pad3Octets (3 bytes) */
for (i = 0; i < count; i++)
{
Stream_Write_UINT16(s, areas[i].left); /* left (2 bytes) */
Stream_Write_UINT16(s, areas[i].top); /* top (2 bytes) */
Stream_Write_UINT16(s, areas[i].right); /* right (2 bytes) */
Stream_Write_UINT16(s, areas[i].bottom); /* bottom (2 bytes) */
}
}
static BOOL update_send_refresh_rect(rdpContext* context, BYTE count, const RECTANGLE_16* areas)
{
rdpRdp* rdp = context->rdp;
if (rdp->settings->RefreshRect)
{
wStream* s = rdp_data_pdu_init(rdp);
if (!s)
return FALSE;
update_write_refresh_rect(s, count, areas);
return rdp_send_data_pdu(rdp, s, DATA_PDU_TYPE_REFRESH_RECT, rdp->mcs->userId);
}
return TRUE;
}
static void update_write_suppress_output(wStream* s, BYTE allow, const RECTANGLE_16* area)
{
Stream_Write_UINT8(s, allow); /* allowDisplayUpdates (1 byte) */
/* Use zeros for padding (like mstsc) for compatibility with legacy servers */
Stream_Zero(s, 3); /* pad3Octets (3 bytes) */
if (allow > 0)
{
Stream_Write_UINT16(s, area->left); /* left (2 bytes) */
Stream_Write_UINT16(s, area->top); /* top (2 bytes) */
Stream_Write_UINT16(s, area->right); /* right (2 bytes) */
Stream_Write_UINT16(s, area->bottom); /* bottom (2 bytes) */
}
}
static BOOL update_send_suppress_output(rdpContext* context, BYTE allow, const RECTANGLE_16* area)
{
rdpRdp* rdp = context->rdp;
if (rdp->settings->SuppressOutput)
{
wStream* s = rdp_data_pdu_init(rdp);
if (!s)
return FALSE;
update_write_suppress_output(s, allow, area);
return rdp_send_data_pdu(rdp, s, DATA_PDU_TYPE_SUPPRESS_OUTPUT, rdp->mcs->userId);
}
return TRUE;
}
static BOOL update_send_surface_command(rdpContext* context, wStream* s)
{
wStream* update;
rdpRdp* rdp = context->rdp;
BOOL ret;
update = fastpath_update_pdu_init(rdp->fastpath);
if (!update)
return FALSE;
if (!Stream_EnsureRemainingCapacity(update, Stream_GetPosition(s)))
{
ret = FALSE;
goto out;
}
Stream_Write(update, Stream_Buffer(s), Stream_GetPosition(s));
ret = fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_SURFCMDS, update, FALSE);
out:
Stream_Release(update);
return ret;
}
static BOOL update_send_surface_bits(rdpContext* context,
const SURFACE_BITS_COMMAND* surfaceBitsCommand)
{
wStream* s;
rdpRdp* rdp = context->rdp;
BOOL ret = FALSE;
update_force_flush(context);
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
if (!update_write_surfcmd_surface_bits(s, surfaceBitsCommand))
goto out_fail;
if (!fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_SURFCMDS, s,
surfaceBitsCommand->skipCompression))
goto out_fail;
update_force_flush(context);
ret = TRUE;
out_fail:
Stream_Release(s);
return ret;
}
static BOOL update_send_surface_frame_marker(rdpContext* context,
const SURFACE_FRAME_MARKER* surfaceFrameMarker)
{
wStream* s;
rdpRdp* rdp = context->rdp;
BOOL ret = FALSE;
update_force_flush(context);
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
if (!update_write_surfcmd_frame_marker(s, surfaceFrameMarker->frameAction,
surfaceFrameMarker->frameId) ||
!fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_SURFCMDS, s, FALSE))
goto out_fail;
update_force_flush(context);
ret = TRUE;
out_fail:
Stream_Release(s);
return ret;
}
static BOOL update_send_surface_frame_bits(rdpContext* context, const SURFACE_BITS_COMMAND* cmd,
BOOL first, BOOL last, UINT32 frameId)
{
wStream* s;
rdpRdp* rdp = context->rdp;
BOOL ret = FALSE;
update_force_flush(context);
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
if (first)
{
if (!update_write_surfcmd_frame_marker(s, SURFACECMD_FRAMEACTION_BEGIN, frameId))
goto out_fail;
}
if (!update_write_surfcmd_surface_bits(s, cmd))
goto out_fail;
if (last)
{
if (!update_write_surfcmd_frame_marker(s, SURFACECMD_FRAMEACTION_END, frameId))
goto out_fail;
}
ret = fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_SURFCMDS, s,
cmd->skipCompression);
update_force_flush(context);
out_fail:
Stream_Release(s);
return ret;
}
static BOOL update_send_frame_acknowledge(rdpContext* context, UINT32 frameId)
{
rdpRdp* rdp = context->rdp;
if (rdp->settings->ReceivedCapabilities[CAPSET_TYPE_FRAME_ACKNOWLEDGE])
{
wStream* s = rdp_data_pdu_init(rdp);
if (!s)
return FALSE;
Stream_Write_UINT32(s, frameId);
return rdp_send_data_pdu(rdp, s, DATA_PDU_TYPE_FRAME_ACKNOWLEDGE, rdp->mcs->userId);
}
return TRUE;
}
static BOOL update_send_synchronize(rdpContext* context)
{
wStream* s;
rdpRdp* rdp = context->rdp;
BOOL ret;
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
Stream_Zero(s, 2); /* pad2Octets (2 bytes) */
ret = fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_SYNCHRONIZE, s, FALSE);
Stream_Release(s);
return ret;
}
static BOOL update_send_desktop_resize(rdpContext* context)
{
return rdp_server_reactivate(context->rdp);
}
static BOOL update_send_bitmap_update(rdpContext* context, const BITMAP_UPDATE* bitmapUpdate)
{
wStream* s;
rdpRdp* rdp = context->rdp;
rdpUpdate* update = context->update;
BOOL ret = TRUE;
update_force_flush(context);
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
if (!update_write_bitmap_update(update, s, bitmapUpdate) ||
!fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_BITMAP, s,
bitmapUpdate->skipCompression))
{
ret = FALSE;
goto out_fail;
}
update_force_flush(context);
out_fail:
Stream_Release(s);
return ret;
}
static BOOL update_send_play_sound(rdpContext* context, const PLAY_SOUND_UPDATE* play_sound)
{
wStream* s;
rdpRdp* rdp = context->rdp;
if (!rdp->settings->ReceivedCapabilities[CAPSET_TYPE_SOUND])
{
return TRUE;
}
s = rdp_data_pdu_init(rdp);
if (!s)
return FALSE;
Stream_Write_UINT32(s, play_sound->duration);
Stream_Write_UINT32(s, play_sound->frequency);
return rdp_send_data_pdu(rdp, s, DATA_PDU_TYPE_PLAY_SOUND, rdp->mcs->userId);
}
/**
* Primary Drawing Orders
*/
static BOOL update_send_dstblt(rdpContext* context, const DSTBLT_ORDER* dstblt)
{
wStream* s;
UINT32 offset;
UINT32 headerLength;
ORDER_INFO orderInfo;
int inf;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_DSTBLT);
inf = update_approximate_dstblt_order(&orderInfo, dstblt);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
offset = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_dstblt_order(s, &orderInfo, dstblt))
return FALSE;
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_patblt(rdpContext* context, PATBLT_ORDER* patblt)
{
wStream* s;
size_t offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_PATBLT);
update_check_flush(context, headerLength + update_approximate_patblt_order(&orderInfo, patblt));
s = update->us;
if (!s)
return FALSE;
offset = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
update_write_patblt_order(s, &orderInfo, patblt);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_scrblt(rdpContext* context, const SCRBLT_ORDER* scrblt)
{
wStream* s;
UINT32 offset;
UINT32 headerLength;
ORDER_INFO orderInfo;
int inf;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_SCRBLT);
inf = update_approximate_scrblt_order(&orderInfo, scrblt);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return TRUE;
offset = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
update_write_scrblt_order(s, &orderInfo, scrblt);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_opaque_rect(rdpContext* context, const OPAQUE_RECT_ORDER* opaque_rect)
{
wStream* s;
size_t offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_OPAQUE_RECT);
update_check_flush(context, headerLength +
update_approximate_opaque_rect_order(&orderInfo, opaque_rect));
s = update->us;
if (!s)
return FALSE;
offset = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
update_write_opaque_rect_order(s, &orderInfo, opaque_rect);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_line_to(rdpContext* context, const LINE_TO_ORDER* line_to)
{
wStream* s;
int offset;
int headerLength;
ORDER_INFO orderInfo;
int inf;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_LINE_TO);
inf = update_approximate_line_to_order(&orderInfo, line_to);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
offset = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
update_write_line_to_order(s, &orderInfo, line_to);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
{
wStream* s;
size_t offset;
int headerLength;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_MEMBLT);
update_check_flush(context, headerLength + update_approximate_memblt_order(&orderInfo, memblt));
s = update->us;
if (!s)
return FALSE;
offset = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
update_write_memblt_order(s, &orderInfo, memblt);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_glyph_index(rdpContext* context, GLYPH_INDEX_ORDER* glyph_index)
{
wStream* s;
size_t offset;
int headerLength;
int inf;
ORDER_INFO orderInfo;
rdpUpdate* update = context->update;
headerLength = update_prepare_order_info(context, &orderInfo, ORDER_TYPE_GLYPH_INDEX);
inf = update_approximate_glyph_index_order(&orderInfo, glyph_index);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
offset = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
update_write_glyph_index_order(s, &orderInfo, glyph_index);
update_write_order_info(context, s, &orderInfo, offset);
update->numberOrders++;
return TRUE;
}
/*
* Secondary Drawing Orders
*/
static BOOL update_send_cache_bitmap(rdpContext* context, const CACHE_BITMAP_ORDER* cache_bitmap)
{
wStream* s;
size_t bm, em;
BYTE orderType;
int headerLength;
int inf;
UINT16 extraFlags;
INT16 orderLength;
rdpUpdate* update = context->update;
extraFlags = 0;
headerLength = 6;
orderType = cache_bitmap->compressed ? ORDER_TYPE_CACHE_BITMAP_COMPRESSED
: ORDER_TYPE_BITMAP_UNCOMPRESSED;
inf =
update_approximate_cache_bitmap_order(cache_bitmap, cache_bitmap->compressed, &extraFlags);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
bm = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_cache_bitmap_order(s, cache_bitmap, cache_bitmap->compressed, &extraFlags))
return FALSE;
em = Stream_GetPosition(s);
orderLength = (em - bm) - 13;
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, ORDER_STANDARD | ORDER_SECONDARY); /* controlFlags (1 byte) */
Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
Stream_Write_UINT16(s, extraFlags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, orderType); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_cache_bitmap_v2(rdpContext* context, CACHE_BITMAP_V2_ORDER* cache_bitmap_v2)
{
wStream* s;
size_t bm, em;
BYTE orderType;
int headerLength;
UINT16 extraFlags;
INT16 orderLength;
rdpUpdate* update = context->update;
extraFlags = 0;
headerLength = 6;
orderType = cache_bitmap_v2->compressed ? ORDER_TYPE_BITMAP_COMPRESSED_V2
: ORDER_TYPE_BITMAP_UNCOMPRESSED_V2;
if (context->settings->NoBitmapCompressionHeader)
cache_bitmap_v2->flags |= CBR2_NO_BITMAP_COMPRESSION_HDR;
update_check_flush(context, headerLength +
update_approximate_cache_bitmap_v2_order(
cache_bitmap_v2, cache_bitmap_v2->compressed, &extraFlags));
s = update->us;
if (!s)
return FALSE;
bm = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_cache_bitmap_v2_order(s, cache_bitmap_v2, cache_bitmap_v2->compressed,
&extraFlags))
return FALSE;
em = Stream_GetPosition(s);
orderLength = (em - bm) - 13;
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, ORDER_STANDARD | ORDER_SECONDARY); /* controlFlags (1 byte) */
Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
Stream_Write_UINT16(s, extraFlags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, orderType); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_cache_bitmap_v3(rdpContext* context, CACHE_BITMAP_V3_ORDER* cache_bitmap_v3)
{
wStream* s;
size_t bm, em;
BYTE orderType;
int headerLength;
UINT16 extraFlags;
INT16 orderLength;
rdpUpdate* update = context->update;
extraFlags = 0;
headerLength = 6;
orderType = ORDER_TYPE_BITMAP_COMPRESSED_V3;
update_check_flush(context, headerLength + update_approximate_cache_bitmap_v3_order(
cache_bitmap_v3, &extraFlags));
s = update->us;
if (!s)
return FALSE;
bm = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_cache_bitmap_v3_order(s, cache_bitmap_v3, &extraFlags))
return FALSE;
em = Stream_GetPosition(s);
orderLength = (em - bm) - 13;
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, ORDER_STANDARD | ORDER_SECONDARY); /* controlFlags (1 byte) */
Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
Stream_Write_UINT16(s, extraFlags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, orderType); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_cache_color_table(rdpContext* context,
const CACHE_COLOR_TABLE_ORDER* cache_color_table)
{
wStream* s;
UINT16 flags;
size_t bm, em, inf;
int headerLength;
INT16 orderLength;
rdpUpdate* update = context->update;
flags = 0;
headerLength = 6;
inf = update_approximate_cache_color_table_order(cache_color_table, &flags);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
bm = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_cache_color_table_order(s, cache_color_table, &flags))
return FALSE;
em = Stream_GetPosition(s);
orderLength = (em - bm) - 13;
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, ORDER_STANDARD | ORDER_SECONDARY); /* controlFlags (1 byte) */
Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
Stream_Write_UINT16(s, flags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, ORDER_TYPE_CACHE_COLOR_TABLE); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_cache_glyph(rdpContext* context, const CACHE_GLYPH_ORDER* cache_glyph)
{
wStream* s;
UINT16 flags;
size_t bm, em, inf;
int headerLength;
INT16 orderLength;
rdpUpdate* update = context->update;
flags = 0;
headerLength = 6;
inf = update_approximate_cache_glyph_order(cache_glyph, &flags);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
bm = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_cache_glyph_order(s, cache_glyph, &flags))
return FALSE;
em = Stream_GetPosition(s);
orderLength = (em - bm) - 13;
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, ORDER_STANDARD | ORDER_SECONDARY); /* controlFlags (1 byte) */
Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
Stream_Write_UINT16(s, flags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, ORDER_TYPE_CACHE_GLYPH); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_cache_glyph_v2(rdpContext* context,
const CACHE_GLYPH_V2_ORDER* cache_glyph_v2)
{
wStream* s;
UINT16 flags;
size_t bm, em, inf;
int headerLength;
INT16 orderLength;
rdpUpdate* update = context->update;
flags = 0;
headerLength = 6;
inf = update_approximate_cache_glyph_v2_order(cache_glyph_v2, &flags);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
bm = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_cache_glyph_v2_order(s, cache_glyph_v2, &flags))
return FALSE;
em = Stream_GetPosition(s);
orderLength = (em - bm) - 13;
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, ORDER_STANDARD | ORDER_SECONDARY); /* controlFlags (1 byte) */
Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
Stream_Write_UINT16(s, flags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, ORDER_TYPE_CACHE_GLYPH); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_cache_brush(rdpContext* context, const CACHE_BRUSH_ORDER* cache_brush)
{
wStream* s;
UINT16 flags;
size_t bm, em, inf;
int headerLength;
INT16 orderLength;
rdpUpdate* update = context->update;
flags = 0;
headerLength = 6;
inf = update_approximate_cache_brush_order(cache_brush, &flags);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
bm = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_cache_brush_order(s, cache_brush, &flags))
return FALSE;
em = Stream_GetPosition(s);
orderLength = (em - bm) - 13;
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, ORDER_STANDARD | ORDER_SECONDARY); /* controlFlags (1 byte) */
Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
Stream_Write_UINT16(s, flags); /* extraFlags (2 bytes) */
Stream_Write_UINT8(s, ORDER_TYPE_CACHE_BRUSH); /* orderType (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
return TRUE;
}
/**
* Alternate Secondary Drawing Orders
*/
static BOOL update_send_create_offscreen_bitmap_order(
rdpContext* context, const CREATE_OFFSCREEN_BITMAP_ORDER* create_offscreen_bitmap)
{
wStream* s;
size_t bm, em, inf;
BYTE orderType;
BYTE controlFlags;
int headerLength;
rdpUpdate* update = context->update;
headerLength = 1;
orderType = ORDER_TYPE_CREATE_OFFSCREEN_BITMAP;
controlFlags = ORDER_SECONDARY | (orderType << 2);
inf = update_approximate_create_offscreen_bitmap_order(create_offscreen_bitmap);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
bm = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_create_offscreen_bitmap_order(s, create_offscreen_bitmap))
return FALSE;
em = Stream_GetPosition(s);
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, controlFlags); /* controlFlags (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_switch_surface_order(rdpContext* context,
const SWITCH_SURFACE_ORDER* switch_surface)
{
wStream* s;
size_t bm, em, inf;
BYTE orderType;
BYTE controlFlags;
int headerLength;
rdpUpdate* update;
if (!context || !switch_surface || !context->update)
return FALSE;
update = context->update;
headerLength = 1;
orderType = ORDER_TYPE_SWITCH_SURFACE;
controlFlags = ORDER_SECONDARY | (orderType << 2);
inf = update_approximate_switch_surface_order(switch_surface);
update_check_flush(context, headerLength + inf);
s = update->us;
if (!s)
return FALSE;
bm = Stream_GetPosition(s);
if (!Stream_EnsureRemainingCapacity(s, headerLength))
return FALSE;
Stream_Seek(s, headerLength);
if (!update_write_switch_surface_order(s, switch_surface))
return FALSE;
em = Stream_GetPosition(s);
Stream_SetPosition(s, bm);
Stream_Write_UINT8(s, controlFlags); /* controlFlags (1 byte) */
Stream_SetPosition(s, em);
update->numberOrders++;
return TRUE;
}
static BOOL update_send_pointer_system(rdpContext* context,
const POINTER_SYSTEM_UPDATE* pointer_system)
{
wStream* s;
BYTE updateCode;
rdpRdp* rdp = context->rdp;
BOOL ret;
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
if (pointer_system->type == SYSPTR_NULL)
updateCode = FASTPATH_UPDATETYPE_PTR_NULL;
else
updateCode = FASTPATH_UPDATETYPE_PTR_DEFAULT;
ret = fastpath_send_update_pdu(rdp->fastpath, updateCode, s, FALSE);
Stream_Release(s);
return ret;
}
static BOOL update_send_pointer_position(rdpContext* context,
const POINTER_POSITION_UPDATE* pointerPosition)
{
wStream* s;
rdpRdp* rdp = context->rdp;
BOOL ret = FALSE;
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
if (!Stream_EnsureRemainingCapacity(s, 16))
goto out_fail;
Stream_Write_UINT16(s, pointerPosition->xPos); /* xPos (2 bytes) */
Stream_Write_UINT16(s, pointerPosition->yPos); /* yPos (2 bytes) */
ret = fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_PTR_POSITION, s, FALSE);
out_fail:
Stream_Release(s);
return ret;
}
static BOOL update_write_pointer_color(wStream* s, const POINTER_COLOR_UPDATE* pointer_color)
{
if (!Stream_EnsureRemainingCapacity(s, 32 + pointer_color->lengthAndMask +
pointer_color->lengthXorMask))
return FALSE;
Stream_Write_UINT16(s, pointer_color->cacheIndex);
Stream_Write_UINT16(s, pointer_color->xPos);
Stream_Write_UINT16(s, pointer_color->yPos);
Stream_Write_UINT16(s, pointer_color->width);
Stream_Write_UINT16(s, pointer_color->height);
Stream_Write_UINT16(s, pointer_color->lengthAndMask);
Stream_Write_UINT16(s, pointer_color->lengthXorMask);
if (pointer_color->lengthXorMask > 0)
Stream_Write(s, pointer_color->xorMaskData, pointer_color->lengthXorMask);
if (pointer_color->lengthAndMask > 0)
Stream_Write(s, pointer_color->andMaskData, pointer_color->lengthAndMask);
Stream_Write_UINT8(s, 0); /* pad (1 byte) */
return TRUE;
}
static BOOL update_send_pointer_color(rdpContext* context,
const POINTER_COLOR_UPDATE* pointer_color)
{
wStream* s;
rdpRdp* rdp = context->rdp;
BOOL ret = FALSE;
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
if (!update_write_pointer_color(s, pointer_color))
goto out_fail;
ret = fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_COLOR, s, FALSE);
out_fail:
Stream_Release(s);
return ret;
}
static BOOL update_write_pointer_large(wStream* s, const POINTER_LARGE_UPDATE* pointer)
{
if (!Stream_EnsureRemainingCapacity(s, 32 + pointer->lengthAndMask + pointer->lengthXorMask))
return FALSE;
Stream_Write_UINT16(s, pointer->xorBpp);
Stream_Write_UINT16(s, pointer->cacheIndex);
Stream_Write_UINT16(s, pointer->hotSpotX);
Stream_Write_UINT16(s, pointer->hotSpotY);
Stream_Write_UINT16(s, pointer->width);
Stream_Write_UINT16(s, pointer->height);
Stream_Write_UINT32(s, pointer->lengthAndMask);
Stream_Write_UINT32(s, pointer->lengthXorMask);
Stream_Write(s, pointer->xorMaskData, pointer->lengthXorMask);
Stream_Write(s, pointer->andMaskData, pointer->lengthAndMask);
Stream_Write_UINT8(s, 0); /* pad (1 byte) */
return TRUE;
}
static BOOL update_send_pointer_large(rdpContext* context, const POINTER_LARGE_UPDATE* pointer)
{
wStream* s;
rdpRdp* rdp = context->rdp;
BOOL ret = FALSE;
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
if (!update_write_pointer_large(s, pointer))
goto out_fail;
ret = fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_LARGE_POINTER, s, FALSE);
out_fail:
Stream_Release(s);
return ret;
}
static BOOL update_send_pointer_new(rdpContext* context, const POINTER_NEW_UPDATE* pointer_new)
{
wStream* s;
rdpRdp* rdp = context->rdp;
BOOL ret = FALSE;
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
if (!Stream_EnsureRemainingCapacity(s, 16))
goto out_fail;
Stream_Write_UINT16(s, pointer_new->xorBpp); /* xorBpp (2 bytes) */
update_write_pointer_color(s, &pointer_new->colorPtrAttr);
ret = fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_POINTER, s, FALSE);
out_fail:
Stream_Release(s);
return ret;
}
static BOOL update_send_pointer_cached(rdpContext* context,
const POINTER_CACHED_UPDATE* pointer_cached)
{
wStream* s;
rdpRdp* rdp = context->rdp;
BOOL ret;
s = fastpath_update_pdu_init(rdp->fastpath);
if (!s)
return FALSE;
Stream_Write_UINT16(s, pointer_cached->cacheIndex); /* cacheIndex (2 bytes) */
ret = fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_CACHED, s, FALSE);
Stream_Release(s);
return ret;
}
BOOL update_read_refresh_rect(rdpUpdate* update, wStream* s)
{
int index;
BYTE numberOfAreas;
RECTANGLE_16* areas;
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT8(s, numberOfAreas);
Stream_Seek(s, 3); /* pad3Octects */
if (Stream_GetRemainingLength(s) < ((size_t)numberOfAreas * 4 * 2))
return FALSE;
areas = (RECTANGLE_16*)calloc(numberOfAreas, sizeof(RECTANGLE_16));
if (!areas)
return FALSE;
for (index = 0; index < numberOfAreas; index++)
{
Stream_Read_UINT16(s, areas[index].left);
Stream_Read_UINT16(s, areas[index].top);
Stream_Read_UINT16(s, areas[index].right);
Stream_Read_UINT16(s, areas[index].bottom);
}
if (update->context->settings->RefreshRect)
IFCALL(update->RefreshRect, update->context, numberOfAreas, areas);
else
WLog_Print(update->log, WLOG_WARN, "ignoring refresh rect request from client");
free(areas);
return TRUE;
}
BOOL update_read_suppress_output(rdpUpdate* update, wStream* s)
{
RECTANGLE_16* prect = NULL;
RECTANGLE_16 rect = { 0 };
BYTE allowDisplayUpdates;
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT8(s, allowDisplayUpdates);
Stream_Seek(s, 3); /* pad3Octects */
if (allowDisplayUpdates > 0)
{
if (Stream_GetRemainingLength(s) < sizeof(RECTANGLE_16))
return FALSE;
Stream_Read_UINT16(s, rect.left);
Stream_Read_UINT16(s, rect.top);
Stream_Read_UINT16(s, rect.right);
Stream_Read_UINT16(s, rect.bottom);
prect = &rect;
}
if (update->context->settings->SuppressOutput)
IFCALL(update->SuppressOutput, update->context, allowDisplayUpdates, prect);
else
WLog_Print(update->log, WLOG_WARN, "ignoring suppress output request from client");
return TRUE;
}
static BOOL update_send_set_keyboard_indicators(rdpContext* context, UINT16 led_flags)
{
wStream* s;
rdpRdp* rdp = context->rdp;
s = rdp_data_pdu_init(rdp);
if (!s)
return FALSE;
Stream_Write_UINT16(s, 0); /* unitId should be 0 according to MS-RDPBCGR 2.2.8.2.1.1 */
Stream_Write_UINT16(s, led_flags); /* ledFlags (2 bytes) */
return rdp_send_data_pdu(rdp, s, DATA_PDU_TYPE_SET_KEYBOARD_INDICATORS, rdp->mcs->userId);
}
static BOOL update_send_set_keyboard_ime_status(rdpContext* context, UINT16 imeId, UINT32 imeState,
UINT32 imeConvMode)
{
wStream* s;
rdpRdp* rdp = context->rdp;
s = rdp_data_pdu_init(rdp);
if (!s)
return FALSE;
/* unitId should be 0 according to MS-RDPBCGR 2.2.8.2.2.1 */
Stream_Write_UINT16(s, imeId);
Stream_Write_UINT32(s, imeState);
Stream_Write_UINT32(s, imeConvMode);
return rdp_send_data_pdu(rdp, s, DATA_PDU_TYPE_SET_KEYBOARD_IME_STATUS, rdp->mcs->userId);
}
static UINT16 update_calculate_new_or_existing_window(const WINDOW_ORDER_INFO* orderInfo,
const WINDOW_STATE_ORDER* stateOrder)
{
UINT16 orderSize = 11;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_OWNER) != 0)
orderSize += 4;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_STYLE) != 0)
orderSize += 8;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_SHOW) != 0)
orderSize += 1;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_TITLE) != 0)
orderSize += 2 + stateOrder->titleInfo.length;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET) != 0)
orderSize += 8;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE) != 0)
orderSize += 8;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RESIZE_MARGIN_X) != 0)
orderSize += 8;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RESIZE_MARGIN_Y) != 0)
orderSize += 8;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RP_CONTENT) != 0)
orderSize += 1;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_ROOT_PARENT) != 0)
orderSize += 4;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_OFFSET) != 0)
orderSize += 8;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA) != 0)
orderSize += 8;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_SIZE) != 0)
orderSize += 8;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_RECTS) != 0)
orderSize += 2 + stateOrder->numWindowRects * sizeof(RECTANGLE_16);
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_VIS_OFFSET) != 0)
orderSize += 8;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_VISIBILITY) != 0)
orderSize += 2 + stateOrder->numVisibilityRects * sizeof(RECTANGLE_16);
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_OVERLAY_DESCRIPTION) != 0)
orderSize += 2 + stateOrder->OverlayDescription.length;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_TASKBAR_BUTTON) != 0)
orderSize += 1;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_ENFORCE_SERVER_ZORDER) != 0)
orderSize += 1;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_APPBAR_STATE) != 0)
orderSize += 1;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_APPBAR_EDGE) != 0)
orderSize += 1;
return orderSize;
}
static BOOL update_send_new_or_existing_window(rdpContext* context,
const WINDOW_ORDER_INFO* orderInfo,
const WINDOW_STATE_ORDER* stateOrder)
{
wStream* s;
rdpUpdate* update = context->update;
BYTE controlFlags = ORDER_SECONDARY | (ORDER_TYPE_WINDOW << 2);
UINT16 orderSize = update_calculate_new_or_existing_window(orderInfo, stateOrder);
update_check_flush(context, orderSize);
s = update->us;
if (!s)
return FALSE;
if (!Stream_EnsureRemainingCapacity(s, orderSize))
return FALSE;
Stream_Write_UINT8(s, controlFlags); /* Header (1 byte) */
Stream_Write_UINT16(s, orderSize); /* OrderSize (2 bytes) */
Stream_Write_UINT32(s, orderInfo->fieldFlags); /* FieldsPresentFlags (4 bytes) */
Stream_Write_UINT32(s, orderInfo->windowId); /* WindowID (4 bytes) */
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_OWNER) != 0)
Stream_Write_UINT32(s, stateOrder->ownerWindowId);
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_STYLE) != 0)
{
Stream_Write_UINT32(s, stateOrder->style);
Stream_Write_UINT32(s, stateOrder->extendedStyle);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_SHOW) != 0)
{
Stream_Write_UINT8(s, stateOrder->showState);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_TITLE) != 0)
{
Stream_Write_UINT16(s, stateOrder->titleInfo.length);
Stream_Write(s, stateOrder->titleInfo.string, stateOrder->titleInfo.length);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET) != 0)
{
Stream_Write_INT32(s, stateOrder->clientOffsetX);
Stream_Write_INT32(s, stateOrder->clientOffsetY);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE) != 0)
{
Stream_Write_UINT32(s, stateOrder->clientAreaWidth);
Stream_Write_UINT32(s, stateOrder->clientAreaHeight);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RESIZE_MARGIN_X) != 0)
{
Stream_Write_UINT32(s, stateOrder->resizeMarginLeft);
Stream_Write_UINT32(s, stateOrder->resizeMarginRight);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RESIZE_MARGIN_Y) != 0)
{
Stream_Write_UINT32(s, stateOrder->resizeMarginTop);
Stream_Write_UINT32(s, stateOrder->resizeMarginBottom);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RP_CONTENT) != 0)
{
Stream_Write_UINT8(s, stateOrder->RPContent);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_ROOT_PARENT) != 0)
{
Stream_Write_UINT32(s, stateOrder->rootParentHandle);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_OFFSET) != 0)
{
Stream_Write_INT32(s, stateOrder->windowOffsetX);
Stream_Write_INT32(s, stateOrder->windowOffsetY);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA) != 0)
{
Stream_Write_INT32(s, stateOrder->windowClientDeltaX);
Stream_Write_INT32(s, stateOrder->windowClientDeltaY);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_SIZE) != 0)
{
Stream_Write_UINT32(s, stateOrder->windowWidth);
Stream_Write_UINT32(s, stateOrder->windowHeight);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_RECTS) != 0)
{
Stream_Write_UINT16(s, stateOrder->numWindowRects);
Stream_Write(s, stateOrder->windowRects, stateOrder->numWindowRects * sizeof(RECTANGLE_16));
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_VIS_OFFSET) != 0)
{
Stream_Write_UINT32(s, stateOrder->visibleOffsetX);
Stream_Write_UINT32(s, stateOrder->visibleOffsetY);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_VISIBILITY) != 0)
{
Stream_Write_UINT16(s, stateOrder->numVisibilityRects);
Stream_Write(s, stateOrder->visibilityRects,
stateOrder->numVisibilityRects * sizeof(RECTANGLE_16));
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_OVERLAY_DESCRIPTION) != 0)
{
Stream_Write_UINT16(s, stateOrder->OverlayDescription.length);
Stream_Write(s, stateOrder->OverlayDescription.string,
stateOrder->OverlayDescription.length);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_TASKBAR_BUTTON) != 0)
{
Stream_Write_UINT8(s, stateOrder->TaskbarButton);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_ENFORCE_SERVER_ZORDER) != 0)
{
Stream_Write_UINT8(s, stateOrder->EnforceServerZOrder);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_APPBAR_STATE) != 0)
{
Stream_Write_UINT8(s, stateOrder->AppBarState);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_APPBAR_EDGE) != 0)
{
Stream_Write_UINT8(s, stateOrder->AppBarEdge);
}
update->numberOrders++;
return TRUE;
}
static BOOL update_send_window_create(rdpContext* context, const WINDOW_ORDER_INFO* orderInfo,
const WINDOW_STATE_ORDER* stateOrder)
{
return update_send_new_or_existing_window(context, orderInfo, stateOrder);
}
static BOOL update_send_window_update(rdpContext* context, const WINDOW_ORDER_INFO* orderInfo,
const WINDOW_STATE_ORDER* stateOrder)
{
return update_send_new_or_existing_window(context, orderInfo, stateOrder);
}
static UINT16 update_calculate_window_icon_order(const WINDOW_ORDER_INFO* orderInfo,
const WINDOW_ICON_ORDER* iconOrder)
{
UINT16 orderSize = 23;
ICON_INFO* iconInfo = iconOrder->iconInfo;
orderSize += iconInfo->cbBitsColor + iconInfo->cbBitsMask;
if (iconInfo->bpp <= 8)
orderSize += 2 + iconInfo->cbColorTable;
return orderSize;
}
static BOOL update_send_window_icon(rdpContext* context, const WINDOW_ORDER_INFO* orderInfo,
const WINDOW_ICON_ORDER* iconOrder)
{
wStream* s;
rdpUpdate* update = context->update;
BYTE controlFlags = ORDER_SECONDARY | (ORDER_TYPE_WINDOW << 2);
ICON_INFO* iconInfo = iconOrder->iconInfo;
UINT16 orderSize = update_calculate_window_icon_order(orderInfo, iconOrder);
update_check_flush(context, orderSize);
s = update->us;
if (!s || !iconInfo)
return FALSE;
if (!Stream_EnsureRemainingCapacity(s, orderSize))
return FALSE;
/* Write Hdr */
Stream_Write_UINT8(s, controlFlags); /* Header (1 byte) */
Stream_Write_UINT16(s, orderSize); /* OrderSize (2 bytes) */
Stream_Write_UINT32(s, orderInfo->fieldFlags); /* FieldsPresentFlags (4 bytes) */
Stream_Write_UINT32(s, orderInfo->windowId); /* WindowID (4 bytes) */
/* Write body */
Stream_Write_UINT16(s, iconInfo->cacheEntry); /* CacheEntry (2 bytes) */
Stream_Write_UINT8(s, iconInfo->cacheId); /* CacheId (1 byte) */
Stream_Write_UINT8(s, iconInfo->bpp); /* Bpp (1 byte) */
Stream_Write_UINT16(s, iconInfo->width); /* Width (2 bytes) */
Stream_Write_UINT16(s, iconInfo->height); /* Height (2 bytes) */
if (iconInfo->bpp <= 8)
{
Stream_Write_UINT16(s, iconInfo->cbColorTable); /* CbColorTable (2 bytes) */
}
Stream_Write_UINT16(s, iconInfo->cbBitsMask); /* CbBitsMask (2 bytes) */
Stream_Write_UINT16(s, iconInfo->cbBitsColor); /* CbBitsColor (2 bytes) */
Stream_Write(s, iconInfo->bitsMask, iconInfo->cbBitsMask); /* BitsMask (variable) */
if (iconInfo->bpp <= 8)
{
Stream_Write(s, iconInfo->colorTable, iconInfo->cbColorTable); /* ColorTable (variable) */
}
Stream_Write(s, iconInfo->bitsColor, iconInfo->cbBitsColor); /* BitsColor (variable) */
update->numberOrders++;
return TRUE;
}
static BOOL update_send_window_cached_icon(rdpContext* context, const WINDOW_ORDER_INFO* orderInfo,
const WINDOW_CACHED_ICON_ORDER* cachedIconOrder)
{
wStream* s;
rdpUpdate* update = context->update;
BYTE controlFlags = ORDER_SECONDARY | (ORDER_TYPE_WINDOW << 2);
UINT16 orderSize = 14;
CACHED_ICON_INFO cachedIcon = cachedIconOrder->cachedIcon;
update_check_flush(context, orderSize);
s = update->us;
if (!s)
return FALSE;
if (!Stream_EnsureRemainingCapacity(s, orderSize))
return FALSE;
/* Write Hdr */
Stream_Write_UINT8(s, controlFlags); /* Header (1 byte) */
Stream_Write_UINT16(s, orderSize); /* OrderSize (2 bytes) */
Stream_Write_UINT32(s, orderInfo->fieldFlags); /* FieldsPresentFlags (4 bytes) */
Stream_Write_UINT32(s, orderInfo->windowId); /* WindowID (4 bytes) */
/* Write body */
Stream_Write_UINT16(s, cachedIcon.cacheEntry); /* CacheEntry (2 bytes) */
Stream_Write_UINT8(s, cachedIcon.cacheId); /* CacheId (1 byte) */
update->numberOrders++;
return TRUE;
}
static BOOL update_send_window_delete(rdpContext* context, const WINDOW_ORDER_INFO* orderInfo)
{
wStream* s;
rdpUpdate* update = context->update;
BYTE controlFlags = ORDER_SECONDARY | (ORDER_TYPE_WINDOW << 2);
UINT16 orderSize = 11;
update_check_flush(context, orderSize);
s = update->us;
if (!s)
return FALSE;
if (!Stream_EnsureRemainingCapacity(s, orderSize))
return FALSE;
/* Write Hdr */
Stream_Write_UINT8(s, controlFlags); /* Header (1 byte) */
Stream_Write_UINT16(s, orderSize); /* OrderSize (2 bytes) */
Stream_Write_UINT32(s, orderInfo->fieldFlags); /* FieldsPresentFlags (4 bytes) */
Stream_Write_UINT32(s, orderInfo->windowId); /* WindowID (4 bytes) */
update->numberOrders++;
return TRUE;
}
static UINT16 update_calculate_new_or_existing_notification_icons_order(
const WINDOW_ORDER_INFO* orderInfo, const NOTIFY_ICON_STATE_ORDER* iconStateOrder)
{
UINT16 orderSize = 15;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_VERSION) != 0)
orderSize += 4;
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_TIP) != 0)
{
orderSize += 2 + iconStateOrder->toolTip.length;
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_INFO_TIP) != 0)
{
NOTIFY_ICON_INFOTIP infoTip = iconStateOrder->infoTip;
orderSize += 12 + infoTip.text.length + infoTip.title.length;
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_STATE) != 0)
{
orderSize += 4;
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_ICON) != 0)
{
ICON_INFO iconInfo = iconStateOrder->icon;
orderSize += 12;
if (iconInfo.bpp <= 8)
orderSize += 2 + iconInfo.cbColorTable;
orderSize += iconInfo.cbBitsMask + iconInfo.cbBitsColor;
}
else if ((orderInfo->fieldFlags & WINDOW_ORDER_CACHED_ICON) != 0)
{
orderSize += 3;
}
return orderSize;
}
static BOOL
update_send_new_or_existing_notification_icons(rdpContext* context,
const WINDOW_ORDER_INFO* orderInfo,
const NOTIFY_ICON_STATE_ORDER* iconStateOrder)
{
wStream* s;
rdpUpdate* update = context->update;
BYTE controlFlags = ORDER_SECONDARY | (ORDER_TYPE_WINDOW << 2);
BOOL versionFieldPresent = FALSE;
UINT16 orderSize =
update_calculate_new_or_existing_notification_icons_order(orderInfo, iconStateOrder);
update_check_flush(context, orderSize);
s = update->us;
if (!s)
return FALSE;
if (!Stream_EnsureRemainingCapacity(s, orderSize))
return FALSE;
/* Write Hdr */
Stream_Write_UINT8(s, controlFlags); /* Header (1 byte) */
Stream_Write_INT16(s, orderSize); /* OrderSize (2 bytes) */
Stream_Write_UINT32(s, orderInfo->fieldFlags); /* FieldsPresentFlags (4 bytes) */
Stream_Write_UINT32(s, orderInfo->windowId); /* WindowID (4 bytes) */
Stream_Write_UINT32(s, orderInfo->notifyIconId); /* NotifyIconId (4 bytes) */
/* Write body */
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_VERSION) != 0)
{
versionFieldPresent = TRUE;
Stream_Write_UINT32(s, iconStateOrder->version);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_TIP) != 0)
{
Stream_Write_UINT16(s, iconStateOrder->toolTip.length);
Stream_Write(s, iconStateOrder->toolTip.string, iconStateOrder->toolTip.length);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_INFO_TIP) != 0)
{
NOTIFY_ICON_INFOTIP infoTip = iconStateOrder->infoTip;
/* info tip should not be sent when version is 0 */
if (versionFieldPresent && iconStateOrder->version == 0)
return FALSE;
Stream_Write_UINT32(s, infoTip.timeout); /* Timeout (4 bytes) */
Stream_Write_UINT32(s, infoTip.flags); /* InfoFlags (4 bytes) */
Stream_Write_UINT16(s, infoTip.text.length); /* InfoTipText (variable) */
Stream_Write(s, infoTip.text.string, infoTip.text.length);
Stream_Write_UINT16(s, infoTip.title.length); /* Title (variable) */
Stream_Write(s, infoTip.title.string, infoTip.title.length);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_STATE) != 0)
{
/* notify state should not be sent when version is 0 */
if (versionFieldPresent && iconStateOrder->version == 0)
return FALSE;
Stream_Write_UINT32(s, iconStateOrder->state);
}
if ((orderInfo->fieldFlags & WINDOW_ORDER_ICON) != 0)
{
ICON_INFO iconInfo = iconStateOrder->icon;
Stream_Write_UINT16(s, iconInfo.cacheEntry); /* CacheEntry (2 bytes) */
Stream_Write_UINT8(s, iconInfo.cacheId); /* CacheId (1 byte) */
Stream_Write_UINT8(s, iconInfo.bpp); /* Bpp (1 byte) */
Stream_Write_UINT16(s, iconInfo.width); /* Width (2 bytes) */
Stream_Write_UINT16(s, iconInfo.height); /* Height (2 bytes) */
if (iconInfo.bpp <= 8)
{
Stream_Write_UINT16(s, iconInfo.cbColorTable); /* CbColorTable (2 bytes) */
}
Stream_Write_UINT16(s, iconInfo.cbBitsMask); /* CbBitsMask (2 bytes) */
Stream_Write_UINT16(s, iconInfo.cbBitsColor); /* CbBitsColor (2 bytes) */
Stream_Write(s, iconInfo.bitsMask, iconInfo.cbBitsMask); /* BitsMask (variable) */
orderSize += iconInfo.cbBitsMask;
if (iconInfo.bpp <= 8)
{
Stream_Write(s, iconInfo.colorTable, iconInfo.cbColorTable); /* ColorTable (variable) */
}
Stream_Write(s, iconInfo.bitsColor, iconInfo.cbBitsColor); /* BitsColor (variable) */
}
else if ((orderInfo->fieldFlags & WINDOW_ORDER_CACHED_ICON) != 0)
{
CACHED_ICON_INFO cachedIcon = iconStateOrder->cachedIcon;
Stream_Write_UINT16(s, cachedIcon.cacheEntry); /* CacheEntry (2 bytes) */
Stream_Write_UINT8(s, cachedIcon.cacheId); /* CacheId (1 byte) */
}
update->numberOrders++;
return TRUE;
}
static BOOL update_send_notify_icon_create(rdpContext* context, const WINDOW_ORDER_INFO* orderInfo,
const NOTIFY_ICON_STATE_ORDER* iconStateOrder)
{
return update_send_new_or_existing_notification_icons(context, orderInfo, iconStateOrder);
}
static BOOL update_send_notify_icon_update(rdpContext* context, const WINDOW_ORDER_INFO* orderInfo,
const NOTIFY_ICON_STATE_ORDER* iconStateOrder)
{
return update_send_new_or_existing_notification_icons(context, orderInfo, iconStateOrder);
}
static BOOL update_send_notify_icon_delete(rdpContext* context, const WINDOW_ORDER_INFO* orderInfo)
{
wStream* s;
rdpUpdate* update = context->update;
BYTE controlFlags = ORDER_SECONDARY | (ORDER_TYPE_WINDOW << 2);
UINT16 orderSize = 15;
update_check_flush(context, orderSize);
s = update->us;
if (!s)
return FALSE;
/* Write Hdr */
Stream_Write_UINT8(s, controlFlags); /* Header (1 byte) */
Stream_Write_UINT16(s, orderSize); /* OrderSize (2 bytes) */
Stream_Write_UINT32(s, orderInfo->fieldFlags); /* FieldsPresentFlags (4 bytes) */
Stream_Write_UINT32(s, orderInfo->windowId); /* WindowID (4 bytes) */
Stream_Write_UINT32(s, orderInfo->notifyIconId); /* NotifyIconId (4 bytes) */
update->numberOrders++;
return TRUE;
}
static UINT16 update_calculate_monitored_desktop(const WINDOW_ORDER_INFO* orderInfo,
const MONITORED_DESKTOP_ORDER* monitoredDesktop)
{
UINT16 orderSize = 7;
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ACTIVE_WND)
{
orderSize += 4;
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ZORDER)
{
orderSize += 1 + (4 * monitoredDesktop->numWindowIds);
}
return orderSize;
}
static BOOL update_send_monitored_desktop(rdpContext* context, const WINDOW_ORDER_INFO* orderInfo,
const MONITORED_DESKTOP_ORDER* monitoredDesktop)
{
UINT32 i;
wStream* s;
rdpUpdate* update = context->update;
BYTE controlFlags = ORDER_SECONDARY | (ORDER_TYPE_WINDOW << 2);
UINT16 orderSize = update_calculate_monitored_desktop(orderInfo, monitoredDesktop);
update_check_flush(context, orderSize);
s = update->us;
if (!s)
return FALSE;
Stream_Write_UINT8(s, controlFlags); /* Header (1 byte) */
Stream_Write_UINT16(s, orderSize); /* OrderSize (2 bytes) */
Stream_Write_UINT32(s, orderInfo->fieldFlags); /* FieldsPresentFlags (4 bytes) */
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ACTIVE_WND)
{
Stream_Write_UINT32(s, monitoredDesktop->activeWindowId); /* activeWindowId (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ZORDER)
{
Stream_Write_UINT8(s, monitoredDesktop->numWindowIds); /* numWindowIds (1 byte) */
/* windowIds */
for (i = 0; i < monitoredDesktop->numWindowIds; i++)
{
Stream_Write_UINT32(s, monitoredDesktop->windowIds[i]);
}
}
update->numberOrders++;
return TRUE;
}
static BOOL update_send_non_monitored_desktop(rdpContext* context,
const WINDOW_ORDER_INFO* orderInfo)
{
wStream* s;
rdpUpdate* update = context->update;
BYTE controlFlags = ORDER_SECONDARY | (ORDER_TYPE_WINDOW << 2);
UINT16 orderSize = 7;
update_check_flush(context, orderSize);
s = update->us;
if (!s)
return FALSE;
Stream_Write_UINT8(s, controlFlags); /* Header (1 byte) */
Stream_Write_UINT16(s, orderSize); /* OrderSize (2 bytes) */
Stream_Write_UINT32(s, orderInfo->fieldFlags); /* FieldsPresentFlags (4 bytes) */
update->numberOrders++;
return TRUE;
}
void update_register_server_callbacks(rdpUpdate* update)
{
update->BeginPaint = _update_begin_paint;
update->EndPaint = _update_end_paint;
update->SetBounds = update_set_bounds;
update->Synchronize = update_send_synchronize;
update->DesktopResize = update_send_desktop_resize;
update->BitmapUpdate = update_send_bitmap_update;
update->SurfaceBits = update_send_surface_bits;
update->SurfaceFrameMarker = update_send_surface_frame_marker;
update->SurfaceCommand = update_send_surface_command;
update->SurfaceFrameBits = update_send_surface_frame_bits;
update->PlaySound = update_send_play_sound;
update->SetKeyboardIndicators = update_send_set_keyboard_indicators;
update->SetKeyboardImeStatus = update_send_set_keyboard_ime_status;
update->SaveSessionInfo = rdp_send_save_session_info;
update->ServerStatusInfo = rdp_send_server_status_info;
update->primary->DstBlt = update_send_dstblt;
update->primary->PatBlt = update_send_patblt;
update->primary->ScrBlt = update_send_scrblt;
update->primary->OpaqueRect = update_send_opaque_rect;
update->primary->LineTo = update_send_line_to;
update->primary->MemBlt = update_send_memblt;
update->primary->GlyphIndex = update_send_glyph_index;
update->secondary->CacheBitmap = update_send_cache_bitmap;
update->secondary->CacheBitmapV2 = update_send_cache_bitmap_v2;
update->secondary->CacheBitmapV3 = update_send_cache_bitmap_v3;
update->secondary->CacheColorTable = update_send_cache_color_table;
update->secondary->CacheGlyph = update_send_cache_glyph;
update->secondary->CacheGlyphV2 = update_send_cache_glyph_v2;
update->secondary->CacheBrush = update_send_cache_brush;
update->altsec->CreateOffscreenBitmap = update_send_create_offscreen_bitmap_order;
update->altsec->SwitchSurface = update_send_switch_surface_order;
update->pointer->PointerSystem = update_send_pointer_system;
update->pointer->PointerPosition = update_send_pointer_position;
update->pointer->PointerColor = update_send_pointer_color;
update->pointer->PointerLarge = update_send_pointer_large;
update->pointer->PointerNew = update_send_pointer_new;
update->pointer->PointerCached = update_send_pointer_cached;
update->window->WindowCreate = update_send_window_create;
update->window->WindowUpdate = update_send_window_update;
update->window->WindowIcon = update_send_window_icon;
update->window->WindowCachedIcon = update_send_window_cached_icon;
update->window->WindowDelete = update_send_window_delete;
update->window->NotifyIconCreate = update_send_notify_icon_create;
update->window->NotifyIconUpdate = update_send_notify_icon_update;
update->window->NotifyIconDelete = update_send_notify_icon_delete;
update->window->MonitoredDesktop = update_send_monitored_desktop;
update->window->NonMonitoredDesktop = update_send_non_monitored_desktop;
}
void update_register_client_callbacks(rdpUpdate* update)
{
update->RefreshRect = update_send_refresh_rect;
update->SuppressOutput = update_send_suppress_output;
update->SurfaceFrameAcknowledge = update_send_frame_acknowledge;
}
int update_process_messages(rdpUpdate* update)
{
return update_message_queue_process_pending_messages(update);
}
static void update_free_queued_message(void* obj)
{
wMessage* msg = (wMessage*)obj;
update_message_queue_free_message(msg);
}
void update_free_window_state(WINDOW_STATE_ORDER* window_state)
{
if (!window_state)
return;
free(window_state->OverlayDescription.string);
free(window_state->titleInfo.string);
free(window_state->windowRects);
free(window_state->visibilityRects);
memset(window_state, 0, sizeof(WINDOW_STATE_ORDER));
}
rdpUpdate* update_new(rdpRdp* rdp)
{
const wObject cb = { NULL, NULL, NULL, update_free_queued_message, NULL };
rdpUpdate* update;
OFFSCREEN_DELETE_LIST* deleteList;
WINPR_UNUSED(rdp);
update = (rdpUpdate*)calloc(1, sizeof(rdpUpdate));
if (!update)
return NULL;
update->log = WLog_Get("com.freerdp.core.update");
InitializeCriticalSection(&(update->mux));
update->pointer = (rdpPointerUpdate*)calloc(1, sizeof(rdpPointerUpdate));
if (!update->pointer)
goto fail;
update->primary = (rdpPrimaryUpdate*)calloc(1, sizeof(rdpPrimaryUpdate));
if (!update->primary)
goto fail;
update->secondary = (rdpSecondaryUpdate*)calloc(1, sizeof(rdpSecondaryUpdate));
if (!update->secondary)
goto fail;
update->altsec = (rdpAltSecUpdate*)calloc(1, sizeof(rdpAltSecUpdate));
if (!update->altsec)
goto fail;
update->window = (rdpWindowUpdate*)calloc(1, sizeof(rdpWindowUpdate));
if (!update->window)
goto fail;
deleteList = &(update->altsec->create_offscreen_bitmap.deleteList);
deleteList->sIndices = 64;
deleteList->indices = calloc(deleteList->sIndices, 2);
if (!deleteList->indices)
goto fail;
deleteList->cIndices = 0;
update->SuppressOutput = update_send_suppress_output;
update->initialState = TRUE;
update->autoCalculateBitmapData = TRUE;
update->queue = MessageQueue_New(&cb);
if (!update->queue)
goto fail;
return update;
fail:
update_free(update);
return NULL;
}
void update_free(rdpUpdate* update)
{
if (update != NULL)
{
OFFSCREEN_DELETE_LIST* deleteList = &(update->altsec->create_offscreen_bitmap.deleteList);
if (deleteList)
free(deleteList->indices);
free(update->pointer);
if (update->primary)
{
free(update->primary->polyline.points);
free(update->primary->polygon_sc.points);
free(update->primary->fast_glyph.glyphData.aj);
free(update->primary);
}
free(update->secondary);
free(update->altsec);
if (update->window)
{
free(update->window);
}
MessageQueue_Free(update->queue);
DeleteCriticalSection(&update->mux);
free(update);
}
}
BOOL update_begin_paint(rdpUpdate* update)
{
if (!update)
return FALSE;
EnterCriticalSection(&update->mux);
if (!update->BeginPaint)
return TRUE;
return update->BeginPaint(update->context);
}
BOOL update_end_paint(rdpUpdate* update)
{
BOOL rc = FALSE;
if (!update)
return FALSE;
if (update->EndPaint)
rc = update->EndPaint(update->context);
LeaveCriticalSection(&update->mux);
return rc;
}
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