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libfreerdp-core: fix potential asynchronous queuing memory problems for primary drawing orders

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This commit is contained in:
Marc-André Moreau 2013-11-03 13:29:48 -05:00
parent f34ab12778
commit 3e3c0f1942
4 changed files with 42 additions and 8 deletions
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30
libfreerdp/core/message.c
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@ -217,6 +217,8 @@ static void update_message_PatBlt(rdpContext* context, PATBLT_ORDER* patBlt)
wParam = (PATBLT_ORDER*) malloc(sizeof(PATBLT_ORDER));
CopyMemory(wParam, patBlt, sizeof(PATBLT_ORDER));
wParam->brush.data = (BYTE*) wParam->brush.p8x8;
MessageQueue_Post(context->update->queue, (void*) context,
MakeMessageId(PrimaryUpdate, PatBlt), (void*) wParam, NULL);
}
@ -272,6 +274,8 @@ static void update_message_MultiPatBlt(rdpContext* context, MULTI_PATBLT_ORDER*
wParam = (MULTI_PATBLT_ORDER*) malloc(sizeof(MULTI_PATBLT_ORDER));
CopyMemory(wParam, multiPatBlt, sizeof(MULTI_PATBLT_ORDER));
wParam->brush.data = (BYTE*) wParam->brush.p8x8;
MessageQueue_Post(context->update->queue, (void*) context,
MakeMessageId(PrimaryUpdate, MultiPatBlt), (void*) wParam, NULL);
}
@ -354,6 +358,8 @@ static void update_message_Mem3Blt(rdpContext* context, MEM3BLT_ORDER* mem3Blt)
wParam = (MEM3BLT_ORDER*) malloc(sizeof(MEM3BLT_ORDER));
CopyMemory(wParam, mem3Blt, sizeof(MEM3BLT_ORDER));
wParam->brush.data = (BYTE*) wParam->brush.p8x8;
MessageQueue_Post(context->update->queue, (void*) context,
MakeMessageId(PrimaryUpdate, Mem3Blt), (void*) wParam, NULL);
}
@ -376,6 +382,8 @@ static void update_message_GlyphIndex(rdpContext* context, GLYPH_INDEX_ORDER* gl
wParam = (GLYPH_INDEX_ORDER*) malloc(sizeof(GLYPH_INDEX_ORDER));
CopyMemory(wParam, glyphIndex, sizeof(GLYPH_INDEX_ORDER));
wParam->brush.data = (BYTE*) wParam->brush.p8x8;
MessageQueue_Post(context->update->queue, (void*) context,
MakeMessageId(PrimaryUpdate, GlyphIndex), (void*) wParam, NULL);
}
@ -398,6 +406,16 @@ static void update_message_FastGlyph(rdpContext* context, FAST_GLYPH_ORDER* fast
wParam = (FAST_GLYPH_ORDER*) malloc(sizeof(FAST_GLYPH_ORDER));
CopyMemory(wParam, fastGlyph, sizeof(FAST_GLYPH_ORDER));
if (wParam->cbData > 1)
{
wParam->glyphData.aj = (BYTE*) malloc(fastGlyph->glyphData.cb);
CopyMemory(wParam->glyphData.aj, fastGlyph->glyphData.aj, fastGlyph->glyphData.cb);
}
else
{
wParam->glyphData.aj = NULL;
}
MessageQueue_Post(context->update->queue, (void*) context,
MakeMessageId(PrimaryUpdate, FastGlyph), (void*) wParam, NULL);
}
@ -426,6 +444,8 @@ static void update_message_PolygonCB(rdpContext* context, POLYGON_CB_ORDER* poly
wParam->points = (DELTA_POINT*) malloc(sizeof(DELTA_POINT) * wParam->numPoints);
CopyMemory(wParam->points, polygonCB, sizeof(DELTA_POINT) * wParam->numPoints);
wParam->brush.data = (BYTE*) wParam->brush.p8x8;
MessageQueue_Post(context->update->queue, (void*) context,
MakeMessageId(PrimaryUpdate, PolygonCB), (void*) wParam, NULL);
}
@ -448,6 +468,8 @@ static void update_message_EllipseCB(rdpContext* context, ELLIPSE_CB_ORDER* elli
wParam = (ELLIPSE_CB_ORDER*) malloc(sizeof(ELLIPSE_CB_ORDER));
CopyMemory(wParam, ellipseCB, sizeof(ELLIPSE_CB_ORDER));
wParam->brush.data = (BYTE*) wParam->brush.p8x8;
MessageQueue_Post(context->update->queue, (void*) context,
MakeMessageId(PrimaryUpdate, EllipseCB), (void*) wParam, NULL);
}
@ -994,6 +1016,7 @@ int update_message_process_update_class(rdpUpdateProxy* proxy, wMessage* msg, in
#endif
}
free(wParam->rectangles);
free(wParam);
}
break;
@ -1159,7 +1182,12 @@ int update_message_process_primary_update_class(rdpUpdateProxy* proxy, wMessage*
case PrimaryUpdate_FastGlyph:
IFCALL(proxy->FastGlyph, msg->context, (FAST_GLYPH_ORDER*) msg->wParam);
free(msg->wParam);
{
FAST_GLYPH_ORDER* wParam = (FAST_GLYPH_ORDER*) msg->wParam;
if (wParam->glyphData.aj)
free(wParam->glyphData.aj);
free(wParam);
}
break;
case PrimaryUpdate_PolygonSC:

2
libfreerdp/core/orders.c
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@ -1356,6 +1356,7 @@ BOOL update_read_memblt_order(wStream* s, ORDER_INFO* orderInfo, MEMBLT_ORDER* m
memblt->colorIndex = (memblt->cacheId >> 8);
memblt->cacheId = (memblt->cacheId & 0xFF);
memblt->bitmap = NULL;
return TRUE;
}
@ -1422,6 +1423,7 @@ BOOL update_read_mem3blt_order(wStream* s, ORDER_INFO* orderInfo, MEM3BLT_ORDER*
ORDER_FIELD_UINT16(16, mem3blt->cacheIndex);
mem3blt->colorIndex = (mem3blt->cacheId >> 8);
mem3blt->cacheId = (mem3blt->cacheId & 0xFF);
mem3blt->bitmap = NULL;
return TRUE;
}

16
libfreerdp/core/transport.c
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@ -88,11 +88,17 @@ BOOL transport_disconnect(rdpTransport* transport)
if (transport->async)
{
SetEvent(transport->stopEvent);
WaitForSingleObject(transport->thread, INFINITE);
if (transport->stopEvent)
{
SetEvent(transport->stopEvent);
WaitForSingleObject(transport->thread, INFINITE);
CloseHandle(transport->thread);
CloseHandle(transport->stopEvent);
CloseHandle(transport->thread);
CloseHandle(transport->stopEvent);
transport->thread = NULL;
transport->stopEvent = NULL;
}
}
return status;
@ -1035,8 +1041,6 @@ void transport_free(rdpTransport* transport)
{
if (transport)
{
SetEvent(transport->stopEvent);
if (transport->ReceiveBuffer)
Stream_Release(transport->ReceiveBuffer);

2
libfreerdp/core/update.c
View File

@ -1612,7 +1612,7 @@ void update_free(rdpUpdate* update)
free(update->primary->polyline.points);
free(update->primary->polygon_sc.points);
if (NULL != update->primary->fast_glyph.glyphData.aj)
if (update->primary->fast_glyph.glyphData.aj)
free(update->primary->fast_glyph.glyphData.aj);
free(update->primary);