Exemplo n.º 1
0
BOOL WINAPI FreeRDP_WTSVirtualChannelWrite(HANDLE hChannelHandle, PCHAR Buffer, ULONG Length, PULONG pBytesWritten)
{
	wStream* s;
	int cbLen;
	int cbChId;
	int first;
	BYTE* buffer;
	UINT32 length;
	UINT32 written;
	rdpPeerChannel* channel = (rdpPeerChannel*) hChannelHandle;

	if (!channel)
		return FALSE;

	if (channel->channelType == RDP_PEER_CHANNEL_TYPE_SVC)
	{
		length = Length;
		buffer = (BYTE*) malloc(length);
		CopyMemory(buffer, Buffer, length);

		wts_queue_send_item(channel, buffer, length);
	}
	else if (!channel->vcm->drdynvc_channel || (channel->vcm->drdynvc_state != DRDYNVC_STATE_READY))
	{
		DEBUG_DVC("drdynvc not ready");
		return FALSE;
	}
	else
	{
		first = TRUE;

		while (Length > 0)
		{
			s = Stream_New(NULL, channel->client->settings->VirtualChannelChunkSize);
			buffer = Stream_Buffer(s);

			Stream_Seek_UINT8(s);
			cbChId = wts_write_variable_uint(s, channel->channelId);

			if (first && (Length > (UINT32) Stream_GetRemainingLength(s)))
			{
				cbLen = wts_write_variable_uint(s, Length);
				buffer[0] = (DATA_FIRST_PDU << 4) | (cbLen << 2) | cbChId;
			}
			else
			{
				buffer[0] = (DATA_PDU << 4) | cbChId;
			}

			first = FALSE;
			written = Stream_GetRemainingLength(s);

			if (written > Length)
				written = Length;

			Stream_Write(s, Buffer, written);
			length = Stream_GetPosition(s);
			Stream_Free(s, FALSE);

			Length -= written;
			Buffer += written;

			wts_queue_send_item(channel->vcm->drdynvc_channel, buffer, length);
		}
	}

	if (pBytesWritten)
		*pBytesWritten = Length;

	return TRUE;
}
Exemplo n.º 2
0
BOOL WTSVirtualChannelWrite(
	/* __in */  void* hChannelHandle,
	/* __in */  BYTE* Buffer,
	/* __in */  UINT32 Length,
	/* __out */ UINT32* pBytesWritten)
{
	rdpPeerChannel* channel = (rdpPeerChannel*) hChannelHandle;
	wts_data_item* item;
	wStream* s;
	int cbLen;
	int cbChId;
	int first;
	UINT32 written;

	if (channel == NULL)
		return FALSE;

	if (channel->channel_type == RDP_PEER_CHANNEL_TYPE_SVC)
	{
		item = (wts_data_item*) malloc(sizeof(wts_data_item));
		ZeroMemory(item, sizeof(wts_data_item));

		item->buffer = malloc(Length);
		item->length = Length;
		CopyMemory(item->buffer, Buffer, Length);

		wts_queue_send_item(channel, item);
	}
	else if (channel->vcm->drdynvc_channel == NULL || channel->vcm->drdynvc_state != DRDYNVC_STATE_READY)
	{
		DEBUG_DVC("drdynvc not ready");
		return FALSE;
	}
	else
	{
		s = stream_new(0);
		first = TRUE;

		while (Length > 0)
		{
			item = (wts_data_item*) malloc(sizeof(wts_data_item));
			ZeroMemory(item, sizeof(wts_data_item));

			item->buffer = malloc(channel->client->settings->VirtualChannelChunkSize);
			stream_attach(s, item->buffer, channel->client->settings->VirtualChannelChunkSize);

			stream_seek_BYTE(s);
			cbChId = wts_write_variable_uint(s, channel->channel_id);

			if (first && (Length > (UINT32) stream_get_left(s)))
			{
				cbLen = wts_write_variable_uint(s, Length);
				item->buffer[0] = (DATA_FIRST_PDU << 4) | (cbLen << 2) | cbChId;
			}
			else
			{
				item->buffer[0] = (DATA_PDU << 4) | cbChId;
			}

			first = FALSE;
			written = stream_get_left(s);

			if (written > Length)
				written = Length;

			stream_write(s, Buffer, written);
			item->length = stream_get_length(s);
			stream_detach(s);
			Length -= written;
			Buffer += written;

			wts_queue_send_item(channel->vcm->drdynvc_channel, item);
		}

		stream_free(s);
	}

	if (pBytesWritten != NULL)
		*pBytesWritten = Length;
	return TRUE;
}
Exemplo n.º 3
0
boolean WTSVirtualChannelWrite(
	/* __in */  void* hChannelHandle,
	/* __in */  uint8* Buffer,
	/* __in */  uint32 Length,
	/* __out */ uint32* pBytesWritten)
{
	rdpPeerChannel* channel = (rdpPeerChannel*) hChannelHandle;
	wts_data_item* item;
	STREAM* s;
	int cbLen;
	int cbChId;
	int first;
	uint32 written;

	if (channel == NULL)
		return false;

	if (channel->channel_type == RDP_PEER_CHANNEL_TYPE_SVC)
	{
		item = xnew(wts_data_item);
		item->buffer = xmalloc(Length);
		item->length = Length;
		memcpy(item->buffer, Buffer, Length);

		wts_queue_send_item(channel, item);
	}
	else if (channel->vcm->drdynvc_channel == NULL || channel->vcm->drdynvc_state != DRDYNVC_STATE_READY)
	{
		DEBUG_DVC("drdynvc not ready");
		return false;
	}
	else
	{
		s = stream_new(0);
		first = true;

		while (Length > 0)
		{
			item = xnew(wts_data_item);
			item->buffer = xmalloc(channel->client->settings->vc_chunk_size);
			stream_attach(s, item->buffer, channel->client->settings->vc_chunk_size);

			stream_seek_uint8(s);
			cbChId = wts_write_variable_uint(s, channel->channel_id);
			if (first && (Length > (uint32) stream_get_left(s)))
			{
				cbLen = wts_write_variable_uint(s, Length);
				item->buffer[0] = (DATA_FIRST_PDU << 4) | (cbLen << 2) | cbChId;
			}
			else
			{
				item->buffer[0] = (DATA_PDU << 4) | cbChId;
			}
			first = false;
			written = stream_get_left(s);
			if (written > Length)
				written = Length;
			stream_write(s, Buffer, written);
			item->length = stream_get_length(s);
			stream_detach(s);
			Length -= written;
			Buffer += written;

			wts_queue_send_item(channel->vcm->drdynvc_channel, item);
		}

		stream_free(s);
	}

	if (pBytesWritten != NULL)
		*pBytesWritten = Length;
	return true;
}