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FreeRDP/libfreerdp/core/window.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Windowing Alternate Secondary Orders
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2011 Roman Barabanov <romanbarabanov@gmail.com>
*
* 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 <freerdp/log.h>
#include "window.h"
#define TAG FREERDP_TAG("core.window")
static void update_free_window_icon_info(ICON_INFO* iconInfo);
BOOL rail_read_unicode_string(wStream* s, RAIL_UNICODE_STRING* unicode_string)
{
UINT16 new_len;
BYTE* new_str;
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, new_len); /* cbString (2 bytes) */
if (Stream_GetRemainingLength(s) < new_len)
return FALSE;
if (!new_len)
{
free(unicode_string->string);
unicode_string->string = NULL;
unicode_string->length = 0;
return TRUE;
}
new_str = (BYTE*)realloc(unicode_string->string, new_len);
if (!new_str)
{
free(unicode_string->string);
unicode_string->string = NULL;
return FALSE;
}
unicode_string->string = new_str;
unicode_string->length = new_len;
Stream_Read(s, unicode_string->string, unicode_string->length);
return TRUE;
}
BOOL utf8_string_to_rail_string(const char* string, RAIL_UNICODE_STRING* unicode_string)
{
WCHAR* buffer = NULL;
int length = 0;
free(unicode_string->string);
unicode_string->string = NULL;
unicode_string->length = 0;
if (!string || strlen(string) < 1)
return TRUE;
length = ConvertToUnicode(CP_UTF8, 0, string, -1, &buffer, 0);
if ((length < 0) || ((size_t)length * sizeof(WCHAR) > UINT16_MAX))
{
free(buffer);
return FALSE;
}
unicode_string->string = (BYTE*)buffer;
unicode_string->length = (UINT16)length * sizeof(WCHAR);
return TRUE;
}
/* See [MS-RDPERP] 2.2.1.2.3 Icon Info (TS_ICON_INFO) */
static BOOL update_read_icon_info(wStream* s, ICON_INFO* iconInfo)
{
BYTE* newBitMask = NULL;
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT16(s, iconInfo->cacheEntry); /* cacheEntry (2 bytes) */
Stream_Read_UINT8(s, iconInfo->cacheId); /* cacheId (1 byte) */
Stream_Read_UINT8(s, iconInfo->bpp); /* bpp (1 byte) */
if ((iconInfo->bpp < 1) || (iconInfo->bpp > 32))
{
WLog_ERR(TAG, "invalid bpp value %" PRIu32 "", iconInfo->bpp);
return FALSE;
}
Stream_Read_UINT16(s, iconInfo->width); /* width (2 bytes) */
Stream_Read_UINT16(s, iconInfo->height); /* height (2 bytes) */
/* cbColorTable is only present when bpp is 1, 4 or 8 */
switch (iconInfo->bpp)
{
case 1:
case 4:
case 8:
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, iconInfo->cbColorTable); /* cbColorTable (2 bytes) */
break;
default:
iconInfo->cbColorTable = 0;
break;
}
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT16(s, iconInfo->cbBitsMask); /* cbBitsMask (2 bytes) */
Stream_Read_UINT16(s, iconInfo->cbBitsColor); /* cbBitsColor (2 bytes) */
/* bitsMask */
if (iconInfo->cbBitsMask > 0)
{
newBitMask = (BYTE*)realloc(iconInfo->bitsMask, iconInfo->cbBitsMask);
if (!newBitMask)
{
free(iconInfo->bitsMask);
iconInfo->bitsMask = NULL;
return FALSE;
}
iconInfo->bitsMask = newBitMask;
if (Stream_GetRemainingLength(s) < iconInfo->cbBitsMask)
return FALSE;
Stream_Read(s, iconInfo->bitsMask, iconInfo->cbBitsMask);
}
else
{
free(iconInfo->bitsMask);
iconInfo->bitsMask = NULL;
iconInfo->cbBitsMask = 0;
}
/* colorTable */
if (iconInfo->cbColorTable > 0)
{
BYTE* new_tab;
new_tab = (BYTE*)realloc(iconInfo->colorTable, iconInfo->cbColorTable);
if (!new_tab)
{
free(iconInfo->colorTable);
iconInfo->colorTable = NULL;
return FALSE;
}
iconInfo->colorTable = new_tab;
}
else
{
free(iconInfo->colorTable);
iconInfo->colorTable = NULL;
}
if (iconInfo->colorTable)
{
if (Stream_GetRemainingLength(s) < iconInfo->cbColorTable)
return FALSE;
Stream_Read(s, iconInfo->colorTable, iconInfo->cbColorTable);
}
/* bitsColor */
if (iconInfo->cbBitsColor > 0)
{
newBitMask = (BYTE*)realloc(iconInfo->bitsColor, iconInfo->cbBitsColor);
if (!newBitMask)
{
free(iconInfo->bitsColor);
iconInfo->bitsColor = NULL;
return FALSE;
}
iconInfo->bitsColor = newBitMask;
if (Stream_GetRemainingLength(s) < iconInfo->cbBitsColor)
return FALSE;
Stream_Read(s, iconInfo->bitsColor, iconInfo->cbBitsColor);
}
else
{
free(iconInfo->bitsColor);
iconInfo->bitsColor = NULL;
iconInfo->cbBitsColor = 0;
}
return TRUE;
}
static BOOL update_read_cached_icon_info(wStream* s, CACHED_ICON_INFO* cachedIconInfo)
{
if (Stream_GetRemainingLength(s) < 3)
return FALSE;
Stream_Read_UINT16(s, cachedIconInfo->cacheEntry); /* cacheEntry (2 bytes) */
Stream_Read_UINT8(s, cachedIconInfo->cacheId); /* cacheId (1 byte) */
return TRUE;
}
static BOOL update_read_notify_icon_infotip(wStream* s, NOTIFY_ICON_INFOTIP* notifyIconInfoTip)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, notifyIconInfoTip->timeout); /* timeout (4 bytes) */
Stream_Read_UINT32(s, notifyIconInfoTip->flags); /* infoFlags (4 bytes) */
return rail_read_unicode_string(s, &notifyIconInfoTip->text) && /* infoTipText */
rail_read_unicode_string(s, &notifyIconInfoTip->title); /* title */
}
static BOOL update_read_window_state_order(wStream* s, WINDOW_ORDER_INFO* orderInfo,
WINDOW_STATE_ORDER* windowState)
{
UINT32 i;
size_t size;
RECTANGLE_16* newRect;
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_OWNER)
{
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, windowState->ownerWindowId); /* ownerWindowId (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_STYLE)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, windowState->style); /* style (4 bytes) */
Stream_Read_UINT32(s, windowState->extendedStyle); /* extendedStyle (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_SHOW)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, windowState->showState); /* showState (1 byte) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_TITLE)
{
if (!rail_read_unicode_string(s, &windowState->titleInfo)) /* titleInfo */
return FALSE;
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_INT32(s, windowState->clientOffsetX); /* clientOffsetX (4 bytes) */
Stream_Read_INT32(s, windowState->clientOffsetY); /* clientOffsetY (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, windowState->clientAreaWidth); /* clientAreaWidth (4 bytes) */
Stream_Read_UINT32(s, windowState->clientAreaHeight); /* clientAreaHeight (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RESIZE_MARGIN_X)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, windowState->resizeMarginLeft);
Stream_Read_UINT32(s, windowState->resizeMarginRight);
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RESIZE_MARGIN_Y)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, windowState->resizeMarginTop);
Stream_Read_UINT32(s, windowState->resizeMarginBottom);
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_RP_CONTENT)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, windowState->RPContent); /* RPContent (1 byte) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_ROOT_PARENT)
{
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, windowState->rootParentHandle); /* rootParentHandle (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_OFFSET)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_INT32(s, windowState->windowOffsetX); /* windowOffsetX (4 bytes) */
Stream_Read_INT32(s, windowState->windowOffsetY); /* windowOffsetY (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_INT32(s, windowState->windowClientDeltaX); /* windowClientDeltaX (4 bytes) */
Stream_Read_INT32(s, windowState->windowClientDeltaY); /* windowClientDeltaY (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_SIZE)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, windowState->windowWidth); /* windowWidth (4 bytes) */
Stream_Read_UINT32(s, windowState->windowHeight); /* windowHeight (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_WND_RECTS)
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, windowState->numWindowRects); /* numWindowRects (2 bytes) */
if (windowState->numWindowRects > 0)
{
size = sizeof(RECTANGLE_16) * windowState->numWindowRects;
newRect = (RECTANGLE_16*)realloc(windowState->windowRects, size);
if (!newRect)
{
free(windowState->windowRects);
windowState->windowRects = NULL;
return FALSE;
}
windowState->windowRects = newRect;
if (Stream_GetRemainingLength(s) < 8 * windowState->numWindowRects)
return FALSE;
/* windowRects */
for (i = 0; i < windowState->numWindowRects; i++)
{
Stream_Read_UINT16(s, windowState->windowRects[i].left); /* left (2 bytes) */
Stream_Read_UINT16(s, windowState->windowRects[i].top); /* top (2 bytes) */
Stream_Read_UINT16(s, windowState->windowRects[i].right); /* right (2 bytes) */
Stream_Read_UINT16(s, windowState->windowRects[i].bottom); /* bottom (2 bytes) */
}
}
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_VIS_OFFSET)
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, windowState->visibleOffsetX); /* visibleOffsetX (4 bytes) */
Stream_Read_UINT32(s, windowState->visibleOffsetY); /* visibleOffsetY (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_VISIBILITY)
{
if (Stream_GetRemainingLength(s) < 2)
return FALSE;
Stream_Read_UINT16(s, windowState->numVisibilityRects); /* numVisibilityRects (2 bytes) */
if (windowState->numVisibilityRects != 0)
{
size = sizeof(RECTANGLE_16) * windowState->numVisibilityRects;
newRect = (RECTANGLE_16*)realloc(windowState->visibilityRects, size);
if (!newRect)
{
free(windowState->visibilityRects);
windowState->visibilityRects = NULL;
return FALSE;
}
windowState->visibilityRects = newRect;
if (Stream_GetRemainingLength(s) < windowState->numVisibilityRects * 8)
return FALSE;
/* visibilityRects */
for (i = 0; i < windowState->numVisibilityRects; i++)
{
Stream_Read_UINT16(s, windowState->visibilityRects[i].left); /* left (2 bytes) */
Stream_Read_UINT16(s, windowState->visibilityRects[i].top); /* top (2 bytes) */
Stream_Read_UINT16(s, windowState->visibilityRects[i].right); /* right (2 bytes) */
Stream_Read_UINT16(s,
windowState->visibilityRects[i].bottom); /* bottom (2 bytes) */
}
}
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_OVERLAY_DESCRIPTION)
{
if (!rail_read_unicode_string(s, &windowState->OverlayDescription))
return FALSE;
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_ICON_OVERLAY_NULL)
{
/* no data to be read here */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_TASKBAR_BUTTON)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, windowState->TaskbarButton);
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_ENFORCE_SERVER_ZORDER)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, windowState->EnforceServerZOrder);
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_APPBAR_STATE)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, windowState->AppBarState);
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_APPBAR_EDGE)
{
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, windowState->AppBarEdge);
}
return TRUE;
}
static BOOL update_read_window_icon_order(wStream* s, WINDOW_ORDER_INFO* orderInfo,
WINDOW_ICON_ORDER* window_icon)
{
WINPR_UNUSED(orderInfo);
window_icon->iconInfo = (ICON_INFO*)calloc(1, sizeof(ICON_INFO));
if (!window_icon->iconInfo)
return FALSE;
return update_read_icon_info(s, window_icon->iconInfo); /* iconInfo (ICON_INFO) */
}
static BOOL update_read_window_cached_icon_order(wStream* s, WINDOW_ORDER_INFO* orderInfo,
WINDOW_CACHED_ICON_ORDER* window_cached_icon)
{
WINPR_UNUSED(orderInfo);
return update_read_cached_icon_info(
s, &window_cached_icon->cachedIcon); /* cachedIcon (CACHED_ICON_INFO) */
}
static void update_read_window_delete_order(wStream* s, WINDOW_ORDER_INFO* orderInfo)
{
/* window deletion event */
}
static BOOL window_order_supported(const rdpSettings* settings, UINT32 fieldFlags)
{
const UINT32 mask = (WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE | WINDOW_ORDER_FIELD_RP_CONTENT |
WINDOW_ORDER_FIELD_ROOT_PARENT);
BOOL dresult;
if (!settings)
return FALSE;
/* See [MS-RDPERP] 2.2.1.1.2 Window List Capability Set */
dresult = settings->AllowUnanouncedOrdersFromServer;
switch (settings->RemoteWndSupportLevel)
{
case WINDOW_LEVEL_SUPPORTED_EX:
return TRUE;
case WINDOW_LEVEL_SUPPORTED:
return ((fieldFlags & mask) == 0) || dresult;
case WINDOW_LEVEL_NOT_SUPPORTED:
return dresult;
default:
return dresult;
}
}
#define DUMP_APPEND(buffer, size, ...) \
do \
{ \
char* b = (buffer); \
size_t s = (size); \
size_t pos = strnlen(b, s); \
_snprintf(&b[pos], s - pos, __VA_ARGS__); \
} while (0)
static void dump_window_state_order(wLog* log, const char* msg, const WINDOW_ORDER_INFO* order,
const WINDOW_STATE_ORDER* state)
{
char buffer[3000] = { 0 };
const size_t bufferSize = sizeof(buffer) - 1;
_snprintf(buffer, bufferSize, "%s windowId=0x%" PRIu32 "", msg, order->windowId);
if (order->fieldFlags & WINDOW_ORDER_FIELD_OWNER)
DUMP_APPEND(buffer, bufferSize, " owner=0x%" PRIx32 "", state->ownerWindowId);
if (order->fieldFlags & WINDOW_ORDER_FIELD_STYLE)
{
DUMP_APPEND(buffer, bufferSize, " [ex]style=<0x%" PRIx32 ", 0x%" PRIx32 "", state->style,
state->extendedStyle);
if (state->style & WS_POPUP)
DUMP_APPEND(buffer, bufferSize, " popup");
if (state->style & WS_VISIBLE)
DUMP_APPEND(buffer, bufferSize, " visible");
if (state->style & WS_THICKFRAME)
DUMP_APPEND(buffer, bufferSize, " thickframe");
if (state->style & WS_BORDER)
DUMP_APPEND(buffer, bufferSize, " border");
if (state->style & WS_CAPTION)
DUMP_APPEND(buffer, bufferSize, " caption");
if (state->extendedStyle & WS_EX_NOACTIVATE)
DUMP_APPEND(buffer, bufferSize, " noactivate");
if (state->extendedStyle & WS_EX_TOOLWINDOW)
DUMP_APPEND(buffer, bufferSize, " toolWindow");
if (state->extendedStyle & WS_EX_TOPMOST)
DUMP_APPEND(buffer, bufferSize, " topMost");
DUMP_APPEND(buffer, bufferSize, ">");
}
if (order->fieldFlags & WINDOW_ORDER_FIELD_SHOW)
{
const char* showStr;
switch (state->showState)
{
case 0:
showStr = "hidden";
break;
case 2:
showStr = "minimized";
break;
case 3:
showStr = "maximized";
break;
case 5:
showStr = "current";
break;
default:
showStr = "<unknown>";
break;
}
DUMP_APPEND(buffer, bufferSize, " show=%s", showStr);
}
if (order->fieldFlags & WINDOW_ORDER_FIELD_TITLE)
DUMP_APPEND(buffer, bufferSize, " title");
if (order->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET)
DUMP_APPEND(buffer, bufferSize, " clientOffset=(%" PRId32 ",%" PRId32 ")",
state->clientOffsetX, state->clientOffsetY);
if (order->fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE)
DUMP_APPEND(buffer, bufferSize, " clientAreaWidth=%" PRIu32 " clientAreaHeight=%" PRIu32 "",
state->clientAreaWidth, state->clientAreaHeight);
if (order->fieldFlags & WINDOW_ORDER_FIELD_RESIZE_MARGIN_X)
DUMP_APPEND(buffer, bufferSize,
" resizeMarginLeft=%" PRIu32 " resizeMarginRight=%" PRIu32 "",
state->resizeMarginLeft, state->resizeMarginRight);
if (order->fieldFlags & WINDOW_ORDER_FIELD_RESIZE_MARGIN_Y)
DUMP_APPEND(buffer, bufferSize,
" resizeMarginTop=%" PRIu32 " resizeMarginBottom=%" PRIu32 "",
state->resizeMarginTop, state->resizeMarginBottom);
if (order->fieldFlags & WINDOW_ORDER_FIELD_RP_CONTENT)
DUMP_APPEND(buffer, bufferSize, " rpContent=0x%" PRIx32 "", state->RPContent);
if (order->fieldFlags & WINDOW_ORDER_FIELD_ROOT_PARENT)
DUMP_APPEND(buffer, bufferSize, " rootParent=0x%" PRIx32 "", state->rootParentHandle);
if (order->fieldFlags & WINDOW_ORDER_FIELD_WND_OFFSET)
DUMP_APPEND(buffer, bufferSize, " windowOffset=(%" PRId32 ",%" PRId32 ")",
state->windowOffsetX, state->windowOffsetY);
if (order->fieldFlags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA)
DUMP_APPEND(buffer, bufferSize, " windowClientDelta=(%" PRId32 ",%" PRId32 ")",
state->windowClientDeltaX, state->windowClientDeltaY);
if (order->fieldFlags & WINDOW_ORDER_FIELD_WND_SIZE)
DUMP_APPEND(buffer, bufferSize, " windowWidth=%" PRIu32 " windowHeight=%" PRIu32 "",
state->windowWidth, state->windowHeight);
if (order->fieldFlags & WINDOW_ORDER_FIELD_WND_RECTS)
{
UINT32 i;
DUMP_APPEND(buffer, bufferSize, " windowRects=(");
for (i = 0; i < state->numWindowRects; i++)
{
DUMP_APPEND(buffer, bufferSize, "(%" PRIu16 ",%" PRIu16 ",%" PRIu16 ",%" PRIu16 ")",
state->windowRects[i].left, state->windowRects[i].top,
state->windowRects[i].right, state->windowRects[i].bottom);
}
DUMP_APPEND(buffer, bufferSize, ")");
}
if (order->fieldFlags & WINDOW_ORDER_FIELD_VIS_OFFSET)
DUMP_APPEND(buffer, bufferSize, " visibleOffset=(%" PRId32 ",%" PRId32 ")",
state->visibleOffsetX, state->visibleOffsetY);
if (order->fieldFlags & WINDOW_ORDER_FIELD_VISIBILITY)
{
UINT32 i;
DUMP_APPEND(buffer, bufferSize, " visibilityRects=(");
for (i = 0; i < state->numVisibilityRects; i++)
{
DUMP_APPEND(buffer, bufferSize, "(%" PRIu16 ",%" PRIu16 ",%" PRIu16 ",%" PRIu16 ")",
state->visibilityRects[i].left, state->visibilityRects[i].top,
state->visibilityRects[i].right, state->visibilityRects[i].bottom);
}
DUMP_APPEND(buffer, bufferSize, ")");
}
if (order->fieldFlags & WINDOW_ORDER_FIELD_OVERLAY_DESCRIPTION)
DUMP_APPEND(buffer, bufferSize, " overlayDescr");
if (order->fieldFlags & WINDOW_ORDER_FIELD_ICON_OVERLAY_NULL)
DUMP_APPEND(buffer, bufferSize, " iconOverlayNull");
if (order->fieldFlags & WINDOW_ORDER_FIELD_TASKBAR_BUTTON)
DUMP_APPEND(buffer, bufferSize, " taskBarButton=0x%" PRIx8 "", state->TaskbarButton);
if (order->fieldFlags & WINDOW_ORDER_FIELD_ENFORCE_SERVER_ZORDER)
DUMP_APPEND(buffer, bufferSize, " enforceServerZOrder=0x%" PRIx8 "",
state->EnforceServerZOrder);
if (order->fieldFlags & WINDOW_ORDER_FIELD_APPBAR_STATE)
DUMP_APPEND(buffer, bufferSize, " appBarState=0x%" PRIx8 "", state->AppBarState);
if (order->fieldFlags & WINDOW_ORDER_FIELD_APPBAR_EDGE)
{
const char* appBarEdgeStr;
switch (state->AppBarEdge)
{
case 0:
appBarEdgeStr = "left";
break;
case 1:
appBarEdgeStr = "top";
break;
case 2:
appBarEdgeStr = "right";
break;
case 3:
appBarEdgeStr = "bottom";
break;
default:
appBarEdgeStr = "<unknown>";
break;
}
DUMP_APPEND(buffer, bufferSize, " appBarEdge=%s", appBarEdgeStr);
}
WLog_Print(log, WLOG_DEBUG, buffer);
}
static BOOL update_recv_window_info_order(rdpUpdate* update, wStream* s,
WINDOW_ORDER_INFO* orderInfo)
{
rdpContext* context = update->context;
rdpWindowUpdate* window = update->window;
BOOL result = TRUE;
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, orderInfo->windowId); /* windowId (4 bytes) */
if (orderInfo->fieldFlags & WINDOW_ORDER_ICON)
{
WINDOW_ICON_ORDER window_icon = { 0 };
result = update_read_window_icon_order(s, orderInfo, &window_icon);
if (result)
{
WLog_Print(update->log, WLOG_DEBUG, "WindowIcon windowId=0x%" PRIx32 "",
orderInfo->windowId);
IFCALLRET(window->WindowIcon, result, context, orderInfo, &window_icon);
}
update_free_window_icon_info(window_icon.iconInfo);
free(window_icon.iconInfo);
}
else if (orderInfo->fieldFlags & WINDOW_ORDER_CACHED_ICON)
{
WINDOW_CACHED_ICON_ORDER window_cached_icon = { 0 };
result = update_read_window_cached_icon_order(s, orderInfo, &window_cached_icon);
if (result)
{
WLog_Print(update->log, WLOG_DEBUG, "WindowCachedIcon windowId=0x%" PRIx32 "",
orderInfo->windowId);
IFCALLRET(window->WindowCachedIcon, result, context, orderInfo, &window_cached_icon);
}
}
else if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_DELETED)
{
update_read_window_delete_order(s, orderInfo);
WLog_Print(update->log, WLOG_DEBUG, "WindowDelete windowId=0x%" PRIx32 "",
orderInfo->windowId);
IFCALLRET(window->WindowDelete, result, context, orderInfo);
}
else
{
WINDOW_STATE_ORDER windowState = { 0 };
result = update_read_window_state_order(s, orderInfo, &windowState);
if (result)
{
if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_NEW)
{
dump_window_state_order(update->log, "WindowCreate", orderInfo, &windowState);
IFCALLRET(window->WindowCreate, result, context, orderInfo, &windowState);
}
else
{
dump_window_state_order(update->log, "WindowUpdate", orderInfo, &windowState);
IFCALLRET(window->WindowUpdate, result, context, orderInfo, &windowState);
}
update_free_window_state(&windowState);
}
}
return result;
}
static void update_notify_icon_state_order_free(NOTIFY_ICON_STATE_ORDER* notify)
{
free(notify->toolTip.string);
free(notify->infoTip.text.string);
free(notify->infoTip.title.string);
update_free_window_icon_info(&notify->icon);
memset(notify, 0, sizeof(NOTIFY_ICON_STATE_ORDER));
}
static BOOL update_read_notification_icon_state_order(wStream* s, WINDOW_ORDER_INFO* orderInfo,
NOTIFY_ICON_STATE_ORDER* notify_icon_state)
{
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_VERSION)
{
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, notify_icon_state->version); /* version (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_TIP)
{
if (!rail_read_unicode_string(s,
&notify_icon_state->toolTip)) /* toolTip (UNICODE_STRING) */
return FALSE;
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_INFO_TIP)
{
if (!update_read_notify_icon_infotip(
s, &notify_icon_state->infoTip)) /* infoTip (NOTIFY_ICON_INFOTIP) */
return FALSE;
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_STATE)
{
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, notify_icon_state->state); /* state (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_ICON)
{
if (!update_read_icon_info(s, &notify_icon_state->icon)) /* icon (ICON_INFO) */
return FALSE;
}
if (orderInfo->fieldFlags & WINDOW_ORDER_CACHED_ICON)
{
if (!update_read_cached_icon_info(
s, &notify_icon_state->cachedIcon)) /* cachedIcon (CACHED_ICON_INFO) */
return FALSE;
}
return TRUE;
}
static void update_read_notification_icon_delete_order(wStream* s, WINDOW_ORDER_INFO* orderInfo)
{
/* notification icon deletion event */
}
static BOOL update_recv_notification_icon_info_order(rdpUpdate* update, wStream* s,
WINDOW_ORDER_INFO* orderInfo)
{
rdpContext* context = update->context;
rdpWindowUpdate* window = update->window;
BOOL result = TRUE;
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, orderInfo->windowId); /* windowId (4 bytes) */
Stream_Read_UINT32(s, orderInfo->notifyIconId); /* notifyIconId (4 bytes) */
if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_DELETED)
{
update_read_notification_icon_delete_order(s, orderInfo);
WLog_Print(update->log, WLOG_DEBUG, "NotifyIconDelete");
IFCALLRET(window->NotifyIconDelete, result, context, orderInfo);
}
else
{
NOTIFY_ICON_STATE_ORDER notify_icon_state = { 0 };
result = update_read_notification_icon_state_order(s, orderInfo, &notify_icon_state);
if (!result)
goto fail;
if (orderInfo->fieldFlags & WINDOW_ORDER_STATE_NEW)
{
WLog_Print(update->log, WLOG_DEBUG, "NotifyIconCreate");
IFCALLRET(window->NotifyIconCreate, result, context, orderInfo, &notify_icon_state);
}
else
{
WLog_Print(update->log, WLOG_DEBUG, "NotifyIconUpdate");
IFCALLRET(window->NotifyIconUpdate, result, context, orderInfo, &notify_icon_state);
}
fail:
update_notify_icon_state_order_free(&notify_icon_state);
}
return result;
}
static BOOL update_read_desktop_actively_monitored_order(wStream* s, WINDOW_ORDER_INFO* orderInfo,
MONITORED_DESKTOP_ORDER* monitored_desktop)
{
int i;
int size;
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ACTIVE_WND)
{
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, monitored_desktop->activeWindowId); /* activeWindowId (4 bytes) */
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ZORDER)
{
UINT32* newid;
if (Stream_GetRemainingLength(s) < 1)
return FALSE;
Stream_Read_UINT8(s, monitored_desktop->numWindowIds); /* numWindowIds (1 byte) */
if (Stream_GetRemainingLength(s) < 4 * monitored_desktop->numWindowIds)
return FALSE;
if (monitored_desktop->numWindowIds > 0)
{
size = sizeof(UINT32) * monitored_desktop->numWindowIds;
newid = (UINT32*)realloc(monitored_desktop->windowIds, size);
if (!newid)
{
free(monitored_desktop->windowIds);
monitored_desktop->windowIds = NULL;
return FALSE;
}
monitored_desktop->windowIds = newid;
/* windowIds */
for (i = 0; i < (int)monitored_desktop->numWindowIds; i++)
{
Stream_Read_UINT32(s, monitored_desktop->windowIds[i]);
}
}
}
return TRUE;
}
static void update_read_desktop_non_monitored_order(wStream* s, WINDOW_ORDER_INFO* orderInfo)
{
/* non-monitored desktop notification event */
}
static void dump_monitored_desktop(wLog* log, const char* msg, const WINDOW_ORDER_INFO* orderInfo,
const MONITORED_DESKTOP_ORDER* monitored)
{
char buffer[1000] = { 0 };
const size_t bufferSize = sizeof(buffer) - 1;
DUMP_APPEND(buffer, bufferSize, "%s", msg);
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ACTIVE_WND)
DUMP_APPEND(buffer, bufferSize, " activeWindowId=0x%" PRIx32 "", monitored->activeWindowId);
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_ZORDER)
{
UINT32 i;
DUMP_APPEND(buffer, bufferSize, " windows=(");
for (i = 0; i < monitored->numWindowIds; i++)
{
DUMP_APPEND(buffer, bufferSize, "0x%" PRIx32 ",", monitored->windowIds[i]);
}
DUMP_APPEND(buffer, bufferSize, ")");
}
WLog_Print(log, WLOG_DEBUG, buffer);
}
static BOOL update_recv_desktop_info_order(rdpUpdate* update, wStream* s,
WINDOW_ORDER_INFO* orderInfo)
{
rdpContext* context = update->context;
rdpWindowUpdate* window = update->window;
BOOL result = TRUE;
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_DESKTOP_NONE)
{
update_read_desktop_non_monitored_order(s, orderInfo);
WLog_Print(update->log, WLOG_DEBUG, "NonMonitoredDesktop, windowId=0x%" PRIx32 "",
orderInfo->windowId);
IFCALLRET(window->NonMonitoredDesktop, result, context, orderInfo);
}
else
{
MONITORED_DESKTOP_ORDER monitored_desktop = { 0 };
result = update_read_desktop_actively_monitored_order(s, orderInfo, &monitored_desktop);
if (result)
{
dump_monitored_desktop(update->log, "ActivelyMonitoredDesktop", orderInfo,
&monitored_desktop);
IFCALLRET(window->MonitoredDesktop, result, context, orderInfo, &monitored_desktop);
}
free(monitored_desktop.windowIds);
}
return result;
}
void update_free_window_icon_info(ICON_INFO* iconInfo)
{
if (!iconInfo)
return;
free(iconInfo->bitsColor);
iconInfo->bitsColor = NULL;
free(iconInfo->bitsMask);
iconInfo->bitsMask = NULL;
free(iconInfo->colorTable);
iconInfo->colorTable = NULL;
}
BOOL update_recv_altsec_window_order(rdpUpdate* update, wStream* s)
{
BOOL rc = TRUE;
size_t remaining;
UINT16 orderSize;
WINDOW_ORDER_INFO orderInfo = { 0 };
remaining = Stream_GetRemainingLength(s);
if (remaining < 6)
{
WLog_Print(update->log, WLOG_ERROR, "Stream short");
return FALSE;
}
Stream_Read_UINT16(s, orderSize); /* orderSize (2 bytes) */
Stream_Read_UINT32(s, orderInfo.fieldFlags); /* FieldsPresentFlags (4 bytes) */
if (remaining + 1 < orderSize)
{
WLog_Print(update->log, WLOG_ERROR, "Stream short orderSize");
return FALSE;
}
if (!window_order_supported(update->context->settings, orderInfo.fieldFlags))
{
WLog_INFO(TAG, "Window order %08" PRIx32 " not supported!", orderInfo.fieldFlags);
return FALSE;
}
if (orderInfo.fieldFlags & WINDOW_ORDER_TYPE_WINDOW)
rc = update_recv_window_info_order(update, s, &orderInfo);
else if (orderInfo.fieldFlags & WINDOW_ORDER_TYPE_NOTIFY)
rc = update_recv_notification_icon_info_order(update, s, &orderInfo);
else if (orderInfo.fieldFlags & WINDOW_ORDER_TYPE_DESKTOP)
rc = update_recv_desktop_info_order(update, s, &orderInfo);
if (!rc)
WLog_Print(update->log, WLOG_ERROR, "windoworder flags %08" PRIx32 " failed",
orderInfo.fieldFlags);
return rc;
}
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