6c26980585
* FreeRDP_WTSVirtualChannelWrite might be called from different threads, so lock the function execution to keep split packets in order * unify DVC and SVC channel creation/deletion to avoid duplicate code
1959 lines
46 KiB
C
1959 lines
46 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Server Channels
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*
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* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Copyright 2015 Thincast Technologies GmbH
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* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <freerdp/config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <winpr/crt.h>
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#include <winpr/synch.h>
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#include <winpr/stream.h>
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#include <freerdp/log.h>
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#include <freerdp/constants.h>
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#include <freerdp/server/channels.h>
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#include <freerdp/channels/drdynvc.h>
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#include <freerdp/utils/drdynvc.h>
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#include "rdp.h"
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#include "server.h"
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#define TAG FREERDP_TAG("core.server")
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#ifdef WITH_DEBUG_DVC
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#define DEBUG_DVC(...) WLog_DBG(TAG, __VA_ARGS__)
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#else
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#define DEBUG_DVC(...) \
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do \
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{ \
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} while (0)
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#endif
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#define DVC_MAX_DATA_PDU_SIZE 1600
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typedef struct
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{
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UINT16 channelId;
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UINT16 reserved;
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UINT32 length;
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UINT32 offset;
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} wtsChannelMessage;
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static DWORD g_SessionId = 1;
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static wHashTable* g_ServerHandles = NULL;
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static rdpPeerChannel* wts_get_dvc_channel_by_id(WTSVirtualChannelManager* vcm, UINT32 ChannelId)
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{
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WINPR_ASSERT(vcm);
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return HashTable_GetItemValue(vcm->dynamicVirtualChannels, &ChannelId);
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}
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static BOOL wts_queue_receive_data(rdpPeerChannel* channel, const BYTE* Buffer, UINT32 Length)
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{
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BYTE* buffer;
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wtsChannelMessage* messageCtx;
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WINPR_ASSERT(channel);
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messageCtx = (wtsChannelMessage*)malloc(sizeof(wtsChannelMessage) + Length);
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if (!messageCtx)
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return FALSE;
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messageCtx->channelId = channel->channelId;
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messageCtx->length = Length;
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messageCtx->offset = 0;
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buffer = (BYTE*)(messageCtx + 1);
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CopyMemory(buffer, Buffer, Length);
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return MessageQueue_Post(channel->queue, messageCtx, 0, NULL, NULL);
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}
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static BOOL wts_queue_send_item(rdpPeerChannel* channel, BYTE* Buffer, UINT32 Length)
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{
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BYTE* buffer;
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UINT32 length;
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UINT16 channelId;
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WINPR_ASSERT(channel);
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WINPR_ASSERT(channel->vcm);
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buffer = Buffer;
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length = Length;
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channelId = channel->channelId;
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return MessageQueue_Post(channel->vcm->queue, (void*)(UINT_PTR)channelId, 0, (void*)buffer,
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(void*)(UINT_PTR)length);
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}
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static int wts_read_variable_uint(wStream* s, int cbLen, UINT32* val)
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{
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WINPR_ASSERT(s);
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WINPR_ASSERT(val);
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switch (cbLen)
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{
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case 0:
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 1))
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return 0;
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Stream_Read_UINT8(s, *val);
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return 1;
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case 1:
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 2))
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return 0;
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Stream_Read_UINT16(s, *val);
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return 2;
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case 2:
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
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return 0;
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Stream_Read_UINT32(s, *val);
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return 4;
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default:
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WLog_ERR(TAG, "invalid wts variable uint len %d", cbLen);
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return 0;
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}
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}
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static BOOL wts_read_drdynvc_capabilities_response(rdpPeerChannel* channel, UINT32 length)
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{
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UINT16 Version;
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WINPR_ASSERT(channel);
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WINPR_ASSERT(channel->vcm);
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if (length < 3)
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return FALSE;
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Stream_Seek_UINT8(channel->receiveData); /* Pad (1 byte) */
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Stream_Read_UINT16(channel->receiveData, Version);
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DEBUG_DVC("Version: %" PRIu16 "", Version);
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if (Version < 1)
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{
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WLog_ERR(TAG, "invalid version %" PRIu16 " for DRDYNVC", Version);
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return FALSE;
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}
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WTSVirtualChannelManager* vcm = channel->vcm;
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vcm->drdynvc_state = DRDYNVC_STATE_READY;
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/* we only support version 1 for now (no compression yet) */
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vcm->dvc_spoken_version = MAX(Version, 1);
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return SetEvent(MessageQueue_Event(vcm->queue));
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}
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static BOOL wts_read_drdynvc_create_response(rdpPeerChannel* channel, wStream* s, UINT32 length)
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{
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UINT32 CreationStatus;
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BOOL status = TRUE;
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WINPR_ASSERT(channel);
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WINPR_ASSERT(s);
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if (length < 4)
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return FALSE;
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Stream_Read_UINT32(s, CreationStatus);
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if ((INT32)CreationStatus < 0)
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{
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DEBUG_DVC("ChannelId %" PRIu32 " creation failed (%" PRId32 ")", channel->channelId,
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(INT32)CreationStatus);
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channel->dvc_open_state = DVC_OPEN_STATE_FAILED;
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}
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else
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{
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DEBUG_DVC("ChannelId %" PRIu32 " creation succeeded", channel->channelId);
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channel->dvc_open_state = DVC_OPEN_STATE_SUCCEEDED;
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}
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channel->creationStatus = (INT32)CreationStatus;
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IFCALLRET(channel->vcm->dvc_creation_status, status, channel->vcm->dvc_creation_status_userdata,
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channel->channelId, (INT32)CreationStatus);
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if (!status)
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WLog_ERR(TAG, "vcm->dvc_creation_status failed!");
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return status;
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}
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static BOOL wts_read_drdynvc_data_first(rdpPeerChannel* channel, wStream* s, int cbLen,
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UINT32 length)
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{
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int value;
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WINPR_ASSERT(channel);
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WINPR_ASSERT(s);
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value = wts_read_variable_uint(s, cbLen, &channel->dvc_total_length);
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if (value == 0)
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return FALSE;
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length -= value;
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if (length > channel->dvc_total_length)
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return FALSE;
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Stream_SetPosition(channel->receiveData, 0);
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if (!Stream_EnsureRemainingCapacity(channel->receiveData, channel->dvc_total_length))
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return FALSE;
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Stream_Write(channel->receiveData, Stream_ConstPointer(s), length);
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return TRUE;
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}
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static BOOL wts_read_drdynvc_data(rdpPeerChannel* channel, wStream* s, UINT32 length)
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{
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BOOL ret = FALSE;
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WINPR_ASSERT(channel);
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WINPR_ASSERT(s);
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if (channel->dvc_total_length > 0)
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{
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if (Stream_GetPosition(channel->receiveData) + length > channel->dvc_total_length)
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{
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channel->dvc_total_length = 0;
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WLog_ERR(TAG, "incorrect fragment data, discarded.");
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return FALSE;
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}
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Stream_Write(channel->receiveData, Stream_ConstPointer(s), length);
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if (Stream_GetPosition(channel->receiveData) >= channel->dvc_total_length)
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{
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ret = wts_queue_receive_data(channel, Stream_Buffer(channel->receiveData),
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channel->dvc_total_length);
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channel->dvc_total_length = 0;
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}
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else
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ret = TRUE;
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}
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else
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{
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ret = wts_queue_receive_data(channel, Stream_ConstPointer(s), length);
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}
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return ret;
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}
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static void wts_read_drdynvc_close_response(rdpPeerChannel* channel)
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{
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WINPR_ASSERT(channel);
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DEBUG_DVC("ChannelId %" PRIu32 " close response", channel->channelId);
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channel->dvc_open_state = DVC_OPEN_STATE_CLOSED;
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MessageQueue_PostQuit(channel->queue, 0);
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}
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static BOOL wts_read_drdynvc_pdu(rdpPeerChannel* channel)
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{
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UINT32 length;
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UINT8 value;
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UINT8 Cmd;
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UINT8 Sp;
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UINT8 cbChId;
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UINT32 ChannelId = 0;
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rdpPeerChannel* dvc = NULL;
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WINPR_ASSERT(channel);
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WINPR_ASSERT(channel->vcm);
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length = Stream_GetPosition(channel->receiveData);
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if (length < 1)
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return FALSE;
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Stream_SetPosition(channel->receiveData, 0);
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Stream_Read_UINT8(channel->receiveData, value);
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length--;
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Cmd = (value & 0xf0) >> 4;
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Sp = (value & 0x0c) >> 2;
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cbChId = (value & 0x03) >> 0;
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if (Cmd == CAPABILITY_REQUEST_PDU)
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return wts_read_drdynvc_capabilities_response(channel, length);
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if (channel->vcm->drdynvc_state == DRDYNVC_STATE_READY)
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{
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BOOL haveChannelId;
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switch (Cmd)
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{
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case SOFT_SYNC_REQUEST_PDU:
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case SOFT_SYNC_RESPONSE_PDU:
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haveChannelId = FALSE;
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break;
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default:
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haveChannelId = TRUE;
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break;
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}
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if (haveChannelId)
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{
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value = wts_read_variable_uint(channel->receiveData, cbChId, &ChannelId);
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if (value == 0)
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return FALSE;
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length -= value;
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DEBUG_DVC("Cmd %s ChannelId %" PRIu32 " length %" PRIu32 "",
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drdynvc_get_packet_type(Cmd), ChannelId, length);
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dvc = wts_get_dvc_channel_by_id(channel->vcm, ChannelId);
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if (!dvc)
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{
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DEBUG_DVC("ChannelId %" PRIu32 " does not exist.", ChannelId);
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return TRUE;
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}
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}
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switch (Cmd)
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{
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case CREATE_REQUEST_PDU:
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return wts_read_drdynvc_create_response(dvc, channel->receiveData, length);
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case DATA_FIRST_PDU:
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if (dvc->dvc_open_state != DVC_OPEN_STATE_SUCCEEDED)
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{
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WLog_ERR(TAG,
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"ChannelId %" PRIu32 " did not open successfully. "
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"Ignoring DYNVC_DATA_FIRST PDU",
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ChannelId);
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return TRUE;
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}
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return wts_read_drdynvc_data_first(dvc, channel->receiveData, Sp, length);
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case DATA_PDU:
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if (dvc->dvc_open_state != DVC_OPEN_STATE_SUCCEEDED)
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{
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WLog_ERR(TAG,
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"ChannelId %" PRIu32 " did not open successfully. "
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"Ignoring DYNVC_DATA PDU",
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ChannelId);
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return TRUE;
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}
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return wts_read_drdynvc_data(dvc, channel->receiveData, length);
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case CLOSE_REQUEST_PDU:
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wts_read_drdynvc_close_response(dvc);
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break;
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case DATA_FIRST_COMPRESSED_PDU:
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case DATA_COMPRESSED_PDU:
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WLog_ERR(TAG, "Compressed data not handled");
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break;
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case SOFT_SYNC_RESPONSE_PDU:
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WLog_ERR(TAG, "SoftSync response not handled yet(and rather strange to receive "
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"that packet as our code doesn't send SoftSync requests");
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break;
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case SOFT_SYNC_REQUEST_PDU:
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WLog_ERR(TAG, "Not expecting a SoftSyncRequest on the server");
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return FALSE;
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default:
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WLog_ERR(TAG, "Cmd %d not recognized.", Cmd);
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break;
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}
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}
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else
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{
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WLog_ERR(TAG, "received Cmd %d but channel is not ready.", Cmd);
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}
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return TRUE;
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}
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static int wts_write_variable_uint(wStream* s, UINT32 val)
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{
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int cb;
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WINPR_ASSERT(s);
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if (val <= 0xFF)
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{
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cb = 0;
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Stream_Write_UINT8(s, val);
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}
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else if (val <= 0xFFFF)
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{
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cb = 1;
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Stream_Write_UINT16(s, val);
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}
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else
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{
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cb = 2;
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Stream_Write_UINT32(s, val);
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}
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return cb;
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}
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static void wts_write_drdynvc_header(wStream* s, BYTE Cmd, UINT32 ChannelId)
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{
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BYTE* bm;
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int cbChId;
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WINPR_ASSERT(s);
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Stream_GetPointer(s, bm);
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Stream_Seek_UINT8(s);
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cbChId = wts_write_variable_uint(s, ChannelId);
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*bm = ((Cmd & 0x0F) << 4) | cbChId;
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}
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static BOOL wts_write_drdynvc_create_request(wStream* s, UINT32 ChannelId, const char* ChannelName)
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{
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size_t len;
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WINPR_ASSERT(s);
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WINPR_ASSERT(ChannelName);
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wts_write_drdynvc_header(s, CREATE_REQUEST_PDU, ChannelId);
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len = strlen(ChannelName) + 1;
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if (!Stream_EnsureRemainingCapacity(s, len))
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return FALSE;
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Stream_Write(s, ChannelName, len);
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return TRUE;
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}
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static BOOL WTSProcessChannelData(rdpPeerChannel* channel, UINT16 channelId, const BYTE* data,
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size_t s, UINT32 flags, size_t t)
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{
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BOOL ret = TRUE;
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const size_t size = (size_t)s;
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const size_t totalSize = (size_t)t;
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WINPR_ASSERT(channel);
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WINPR_ASSERT(channel->vcm);
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WINPR_UNUSED(channelId);
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if (flags & CHANNEL_FLAG_FIRST)
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{
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Stream_SetPosition(channel->receiveData, 0);
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}
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if (!Stream_EnsureRemainingCapacity(channel->receiveData, size))
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return FALSE;
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Stream_Write(channel->receiveData, data, size);
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if (flags & CHANNEL_FLAG_LAST)
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{
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if (Stream_GetPosition(channel->receiveData) != totalSize)
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{
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WLog_ERR(TAG, "read error");
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}
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if (channel == channel->vcm->drdynvc_channel)
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{
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ret = wts_read_drdynvc_pdu(channel);
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}
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else
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{
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ret = wts_queue_receive_data(channel, Stream_Buffer(channel->receiveData),
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Stream_GetPosition(channel->receiveData));
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}
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Stream_SetPosition(channel->receiveData, 0);
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}
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return ret;
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}
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static BOOL WTSReceiveChannelData(freerdp_peer* client, UINT16 channelId, const BYTE* data,
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size_t size, UINT32 flags, size_t totalSize)
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{
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UINT32 i;
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rdpMcs* mcs;
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WINPR_ASSERT(client);
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WINPR_ASSERT(client->context);
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WINPR_ASSERT(client->context->rdp);
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mcs = client->context->rdp->mcs;
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WINPR_ASSERT(mcs);
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for (i = 0; i < mcs->channelCount; i++)
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{
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rdpMcsChannel* cur = &mcs->channels[i];
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if (cur->ChannelId == channelId)
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{
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rdpPeerChannel* channel = (rdpPeerChannel*)cur->handle;
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if (channel)
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return WTSProcessChannelData(channel, channelId, data, size, flags, totalSize);
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}
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}
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WLog_WARN(TAG, "unknown channelId %" PRIu16 " ignored", channelId);
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return TRUE;
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}
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#if defined(WITH_FREERDP_DEPRECATED)
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void WTSVirtualChannelManagerGetFileDescriptor(HANDLE hServer, void** fds, int* fds_count)
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{
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void* fd;
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WTSVirtualChannelManager* vcm = (WTSVirtualChannelManager*)hServer;
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WINPR_ASSERT(vcm);
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WINPR_ASSERT(fds);
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WINPR_ASSERT(fds_count);
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fd = GetEventWaitObject(MessageQueue_Event(vcm->queue));
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if (fd)
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{
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fds[*fds_count] = fd;
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(*fds_count)++;
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}
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#if 0
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if (vcm->drdynvc_channel)
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{
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fd = GetEventWaitObject(vcm->drdynvc_channel->receiveEvent);
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if (fd)
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{
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fds[*fds_count] = fd;
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(*fds_count)++;
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}
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}
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#endif
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}
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#endif
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BOOL WTSVirtualChannelManagerOpen(HANDLE hServer)
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{
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WTSVirtualChannelManager* vcm = (WTSVirtualChannelManager*)hServer;
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if (!vcm)
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return FALSE;
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|
|
if (vcm->drdynvc_state == DRDYNVC_STATE_NONE)
|
|
{
|
|
rdpPeerChannel* channel;
|
|
|
|
/* Initialize drdynvc channel once and only once. */
|
|
vcm->drdynvc_state = DRDYNVC_STATE_INITIALIZED;
|
|
channel = (rdpPeerChannel*)WTSVirtualChannelOpen((HANDLE)vcm, WTS_CURRENT_SESSION,
|
|
DRDYNVC_SVC_CHANNEL_NAME);
|
|
|
|
if (channel)
|
|
{
|
|
BYTE capaBuffer[12];
|
|
wStream staticS;
|
|
wStream* s = Stream_StaticInit(&staticS, capaBuffer, sizeof(capaBuffer));
|
|
|
|
vcm->drdynvc_channel = channel;
|
|
vcm->dvc_spoken_version = 1;
|
|
Stream_Write_UINT8(s, 0x50); /* Cmd=5 sp=0 cbId=0 */
|
|
Stream_Write_UINT8(s, 0x00); /* Pad */
|
|
Stream_Write_UINT16(s, 0x0001); /* Version */
|
|
|
|
/* TODO: shall implement version 2 and 3 */
|
|
|
|
ULONG written;
|
|
if (!WTSVirtualChannelWrite(channel, (PCHAR)capaBuffer, Stream_GetPosition(s),
|
|
&written))
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL WTSVirtualChannelManagerCheckFileDescriptorEx(HANDLE hServer, BOOL autoOpen)
|
|
{
|
|
wMessage message = { 0 };
|
|
BOOL status = TRUE;
|
|
WTSVirtualChannelManager* vcm = NULL;
|
|
|
|
if (!hServer || hServer == INVALID_HANDLE_VALUE)
|
|
return FALSE;
|
|
|
|
vcm = (WTSVirtualChannelManager*)hServer;
|
|
|
|
if (autoOpen)
|
|
{
|
|
if (!WTSVirtualChannelManagerOpen(hServer))
|
|
return FALSE;
|
|
}
|
|
|
|
while (MessageQueue_Peek(vcm->queue, &message, TRUE))
|
|
{
|
|
BYTE* buffer;
|
|
UINT32 length;
|
|
UINT16 channelId;
|
|
channelId = (UINT16)(UINT_PTR)message.context;
|
|
buffer = (BYTE*)message.wParam;
|
|
length = (UINT32)(UINT_PTR)message.lParam;
|
|
|
|
WINPR_ASSERT(vcm->client);
|
|
WINPR_ASSERT(vcm->client->SendChannelData);
|
|
if (!vcm->client->SendChannelData(vcm->client, channelId, buffer, length))
|
|
{
|
|
status = FALSE;
|
|
}
|
|
|
|
free(buffer);
|
|
|
|
if (!status)
|
|
break;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
BOOL WTSVirtualChannelManagerCheckFileDescriptor(HANDLE hServer)
|
|
{
|
|
return WTSVirtualChannelManagerCheckFileDescriptorEx(hServer, TRUE);
|
|
}
|
|
|
|
HANDLE WTSVirtualChannelManagerGetEventHandle(HANDLE hServer)
|
|
{
|
|
WTSVirtualChannelManager* vcm = (WTSVirtualChannelManager*)hServer;
|
|
WINPR_ASSERT(vcm);
|
|
return MessageQueue_Event(vcm->queue);
|
|
}
|
|
|
|
static rdpMcsChannel* wts_get_joined_channel_by_name(rdpMcs* mcs, const char* channel_name)
|
|
{
|
|
UINT32 index;
|
|
|
|
if (!mcs || !channel_name || !strnlen(channel_name, CHANNEL_NAME_LEN + 1))
|
|
return NULL;
|
|
|
|
for (index = 0; index < mcs->channelCount; index++)
|
|
{
|
|
rdpMcsChannel* mchannel = &mcs->channels[index];
|
|
if (mchannel->joined)
|
|
{
|
|
if (_strnicmp(mchannel->Name, channel_name, CHANNEL_NAME_LEN + 1) == 0)
|
|
return mchannel;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static rdpMcsChannel* wts_get_joined_channel_by_id(rdpMcs* mcs, const UINT16 channel_id)
|
|
{
|
|
UINT32 index;
|
|
|
|
if (!mcs || !channel_id)
|
|
return NULL;
|
|
|
|
WINPR_ASSERT(mcs->channels);
|
|
for (index = 0; index < mcs->channelCount; index++)
|
|
{
|
|
rdpMcsChannel* mchannel = &mcs->channels[index];
|
|
if (mchannel->joined)
|
|
{
|
|
if (mchannel->ChannelId == channel_id)
|
|
return &mcs->channels[index];
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
BOOL WTSIsChannelJoinedByName(freerdp_peer* client, const char* channel_name)
|
|
{
|
|
if (!client || !client->context || !client->context->rdp)
|
|
return FALSE;
|
|
|
|
return wts_get_joined_channel_by_name(client->context->rdp->mcs, channel_name) == NULL ? FALSE
|
|
: TRUE;
|
|
}
|
|
|
|
BOOL WTSIsChannelJoinedById(freerdp_peer* client, const UINT16 channel_id)
|
|
{
|
|
if (!client || !client->context || !client->context->rdp)
|
|
return FALSE;
|
|
|
|
return wts_get_joined_channel_by_id(client->context->rdp->mcs, channel_id) == NULL ? FALSE
|
|
: TRUE;
|
|
}
|
|
|
|
BOOL WTSVirtualChannelManagerIsChannelJoined(HANDLE hServer, const char* name)
|
|
{
|
|
WTSVirtualChannelManager* vcm = (WTSVirtualChannelManager*)hServer;
|
|
|
|
if (!vcm || !vcm->rdp)
|
|
return FALSE;
|
|
|
|
return wts_get_joined_channel_by_name(vcm->rdp->mcs, name) == NULL ? FALSE : TRUE;
|
|
}
|
|
|
|
BYTE WTSVirtualChannelManagerGetDrdynvcState(HANDLE hServer)
|
|
{
|
|
WTSVirtualChannelManager* vcm = (WTSVirtualChannelManager*)hServer;
|
|
WINPR_ASSERT(vcm);
|
|
return vcm->drdynvc_state;
|
|
}
|
|
|
|
void WTSVirtualChannelManagerSetDVCCreationCallback(HANDLE hServer, psDVCCreationStatusCallback cb,
|
|
void* userdata)
|
|
{
|
|
WTSVirtualChannelManager* vcm = hServer;
|
|
|
|
WINPR_ASSERT(vcm);
|
|
|
|
vcm->dvc_creation_status = cb;
|
|
vcm->dvc_creation_status_userdata = userdata;
|
|
}
|
|
|
|
UINT16 WTSChannelGetId(freerdp_peer* client, const char* channel_name)
|
|
{
|
|
rdpMcsChannel* channel;
|
|
|
|
WINPR_ASSERT(channel_name);
|
|
if (!client || !client->context || !client->context->rdp)
|
|
return 0;
|
|
|
|
channel = wts_get_joined_channel_by_name(client->context->rdp->mcs, channel_name);
|
|
|
|
if (!channel)
|
|
return 0;
|
|
|
|
return channel->ChannelId;
|
|
}
|
|
|
|
UINT32 WTSChannelGetIdByHandle(HANDLE hChannelHandle)
|
|
{
|
|
rdpPeerChannel* channel = hChannelHandle;
|
|
|
|
WINPR_ASSERT(channel);
|
|
|
|
return channel->channelId;
|
|
}
|
|
|
|
BOOL WTSChannelSetHandleByName(freerdp_peer* client, const char* channel_name, void* handle)
|
|
{
|
|
rdpMcsChannel* channel;
|
|
|
|
WINPR_ASSERT(channel_name);
|
|
if (!client || !client->context || !client->context->rdp)
|
|
return FALSE;
|
|
|
|
channel = wts_get_joined_channel_by_name(client->context->rdp->mcs, channel_name);
|
|
|
|
if (!channel)
|
|
return FALSE;
|
|
|
|
channel->handle = handle;
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL WTSChannelSetHandleById(freerdp_peer* client, const UINT16 channel_id, void* handle)
|
|
{
|
|
rdpMcsChannel* channel;
|
|
|
|
if (!client || !client->context || !client->context->rdp)
|
|
return FALSE;
|
|
|
|
channel = wts_get_joined_channel_by_id(client->context->rdp->mcs, channel_id);
|
|
|
|
if (!channel)
|
|
return FALSE;
|
|
|
|
channel->handle = handle;
|
|
return TRUE;
|
|
}
|
|
|
|
void* WTSChannelGetHandleByName(freerdp_peer* client, const char* channel_name)
|
|
{
|
|
rdpMcsChannel* channel;
|
|
|
|
WINPR_ASSERT(channel_name);
|
|
if (!client || !client->context || !client->context->rdp)
|
|
return NULL;
|
|
|
|
channel = wts_get_joined_channel_by_name(client->context->rdp->mcs, channel_name);
|
|
|
|
if (!channel)
|
|
return NULL;
|
|
|
|
return channel->handle;
|
|
}
|
|
|
|
void* WTSChannelGetHandleById(freerdp_peer* client, const UINT16 channel_id)
|
|
{
|
|
rdpMcsChannel* channel;
|
|
|
|
if (!client || !client->context || !client->context->rdp)
|
|
return NULL;
|
|
|
|
channel = wts_get_joined_channel_by_id(client->context->rdp->mcs, channel_id);
|
|
|
|
if (!channel)
|
|
return NULL;
|
|
|
|
return channel->handle;
|
|
}
|
|
|
|
const char* WTSChannelGetName(freerdp_peer* client, UINT16 channel_id)
|
|
{
|
|
rdpMcsChannel* channel;
|
|
|
|
if (!client || !client->context || !client->context->rdp)
|
|
return NULL;
|
|
|
|
channel = wts_get_joined_channel_by_id(client->context->rdp->mcs, channel_id);
|
|
|
|
if (!channel)
|
|
return NULL;
|
|
|
|
return (const char*)channel->Name;
|
|
}
|
|
|
|
char** WTSGetAcceptedChannelNames(freerdp_peer* client, size_t* count)
|
|
{
|
|
rdpMcs* mcs;
|
|
char** names;
|
|
UINT32 index;
|
|
|
|
if (!client || !client->context || !count)
|
|
return NULL;
|
|
|
|
WINPR_ASSERT(client->context->rdp);
|
|
mcs = client->context->rdp->mcs;
|
|
WINPR_ASSERT(mcs);
|
|
*count = mcs->channelCount;
|
|
|
|
names = (char**)calloc(mcs->channelCount, sizeof(char*));
|
|
if (!names)
|
|
return NULL;
|
|
|
|
for (index = 0; index < mcs->channelCount; index++)
|
|
{
|
|
rdpMcsChannel* mchannel = &mcs->channels[index];
|
|
names[index] = mchannel->Name;
|
|
}
|
|
|
|
return names;
|
|
}
|
|
|
|
INT64 WTSChannelGetOptions(freerdp_peer* client, UINT16 channel_id)
|
|
{
|
|
rdpMcsChannel* channel;
|
|
|
|
if (!client || !client->context || !client->context->rdp)
|
|
return -1;
|
|
|
|
channel = wts_get_joined_channel_by_id(client->context->rdp->mcs, channel_id);
|
|
|
|
if (!channel)
|
|
return -1;
|
|
|
|
return (INT64)channel->options;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSStartRemoteControlSessionW(LPWSTR pTargetServerName, ULONG TargetLogonId,
|
|
BYTE HotkeyVk, USHORT HotkeyModifiers)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSStartRemoteControlSessionA(LPSTR pTargetServerName, ULONG TargetLogonId,
|
|
BYTE HotkeyVk, USHORT HotkeyModifiers)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSStartRemoteControlSessionExW(LPWSTR pTargetServerName, ULONG TargetLogonId,
|
|
BYTE HotkeyVk, USHORT HotkeyModifiers,
|
|
DWORD flags)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSStartRemoteControlSessionExA(LPSTR pTargetServerName, ULONG TargetLogonId,
|
|
BYTE HotkeyVk, USHORT HotkeyModifiers,
|
|
DWORD flags)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSStopRemoteControlSession(ULONG LogonId)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSConnectSessionW(ULONG LogonId, ULONG TargetLogonId, PWSTR pPassword,
|
|
BOOL bWait)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSConnectSessionA(ULONG LogonId, ULONG TargetLogonId, PSTR pPassword,
|
|
BOOL bWait)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateServersW(LPWSTR pDomainName, DWORD Reserved, DWORD Version,
|
|
PWTS_SERVER_INFOW* ppServerInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateServersA(LPSTR pDomainName, DWORD Reserved, DWORD Version,
|
|
PWTS_SERVER_INFOA* ppServerInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
HANDLE WINAPI FreeRDP_WTSOpenServerW(LPWSTR pServerName)
|
|
{
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
static void wts_virtual_channel_manager_free_message(void* obj)
|
|
{
|
|
wMessage* msg = (wMessage*)obj;
|
|
|
|
if (msg)
|
|
{
|
|
BYTE* buffer = (BYTE*)msg->wParam;
|
|
|
|
if (buffer)
|
|
free(buffer);
|
|
}
|
|
}
|
|
|
|
static void channel_free(rdpPeerChannel* channel)
|
|
{
|
|
server_channel_common_free(channel);
|
|
}
|
|
|
|
static void array_channel_free(void* ptr)
|
|
{
|
|
rdpPeerChannel* channel = ptr;
|
|
channel_free(channel);
|
|
}
|
|
|
|
static BOOL dynChannelMatch(const void* v1, const void* v2)
|
|
{
|
|
const UINT32* p1 = (const UINT32*)v1;
|
|
const UINT32* p2 = (const UINT32*)v2;
|
|
return *p1 == *p2;
|
|
}
|
|
|
|
static UINT32 channelId_Hash(const void* key)
|
|
{
|
|
const UINT32* v = (const UINT32*)key;
|
|
return *v;
|
|
}
|
|
|
|
HANDLE WINAPI FreeRDP_WTSOpenServerA(LPSTR pServerName)
|
|
{
|
|
rdpContext* context;
|
|
freerdp_peer* client;
|
|
WTSVirtualChannelManager* vcm;
|
|
HANDLE hServer = INVALID_HANDLE_VALUE;
|
|
wObject queueCallbacks = { 0 };
|
|
|
|
context = (rdpContext*)pServerName;
|
|
|
|
if (!context)
|
|
return INVALID_HANDLE_VALUE;
|
|
|
|
client = context->peer;
|
|
|
|
if (!client)
|
|
{
|
|
SetLastError(ERROR_INVALID_DATA);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
vcm = (WTSVirtualChannelManager*)calloc(1, sizeof(WTSVirtualChannelManager));
|
|
|
|
if (!vcm)
|
|
goto error_vcm_alloc;
|
|
|
|
vcm->client = client;
|
|
vcm->rdp = context->rdp;
|
|
vcm->SessionId = g_SessionId++;
|
|
|
|
if (!g_ServerHandles)
|
|
{
|
|
g_ServerHandles = HashTable_New(TRUE);
|
|
|
|
if (!g_ServerHandles)
|
|
goto error_free;
|
|
}
|
|
|
|
if (!HashTable_Insert(g_ServerHandles, (void*)(UINT_PTR)vcm->SessionId, (void*)vcm))
|
|
goto error_free;
|
|
|
|
queueCallbacks.fnObjectFree = wts_virtual_channel_manager_free_message;
|
|
vcm->queue = MessageQueue_New(&queueCallbacks);
|
|
|
|
if (!vcm->queue)
|
|
goto error_queue;
|
|
|
|
vcm->dvc_channel_id_seq = 0;
|
|
vcm->dynamicVirtualChannels = HashTable_New(TRUE);
|
|
|
|
if (!vcm->dynamicVirtualChannels)
|
|
goto error_dynamicVirtualChannels;
|
|
|
|
if (!HashTable_SetHashFunction(vcm->dynamicVirtualChannels, channelId_Hash))
|
|
goto error_hashFunction;
|
|
|
|
{
|
|
wObject* obj = HashTable_ValueObject(vcm->dynamicVirtualChannels);
|
|
WINPR_ASSERT(obj);
|
|
obj->fnObjectFree = array_channel_free;
|
|
|
|
obj = HashTable_KeyObject(vcm->dynamicVirtualChannels);
|
|
obj->fnObjectEquals = dynChannelMatch;
|
|
}
|
|
client->ReceiveChannelData = WTSReceiveChannelData;
|
|
hServer = (HANDLE)vcm;
|
|
return hServer;
|
|
|
|
error_hashFunction:
|
|
HashTable_Free(vcm->dynamicVirtualChannels);
|
|
error_dynamicVirtualChannels:
|
|
MessageQueue_Free(vcm->queue);
|
|
error_queue:
|
|
HashTable_Remove(g_ServerHandles, (void*)(UINT_PTR)vcm->SessionId);
|
|
error_free:
|
|
free(vcm);
|
|
error_vcm_alloc:
|
|
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
HANDLE WINAPI FreeRDP_WTSOpenServerExW(LPWSTR pServerName)
|
|
{
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
HANDLE WINAPI FreeRDP_WTSOpenServerExA(LPSTR pServerName)
|
|
{
|
|
return FreeRDP_WTSOpenServerA(pServerName);
|
|
}
|
|
|
|
VOID WINAPI FreeRDP_WTSCloseServer(HANDLE hServer)
|
|
{
|
|
WTSVirtualChannelManager* vcm;
|
|
vcm = (WTSVirtualChannelManager*)hServer;
|
|
|
|
if (vcm && (vcm != INVALID_HANDLE_VALUE))
|
|
{
|
|
HashTable_Remove(g_ServerHandles, (void*)(UINT_PTR)vcm->SessionId);
|
|
|
|
HashTable_Free(vcm->dynamicVirtualChannels);
|
|
|
|
if (vcm->drdynvc_channel)
|
|
{
|
|
WTSVirtualChannelClose(vcm->drdynvc_channel);
|
|
vcm->drdynvc_channel = NULL;
|
|
}
|
|
|
|
MessageQueue_Free(vcm->queue);
|
|
free(vcm);
|
|
}
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateSessionsW(HANDLE hServer, DWORD Reserved, DWORD Version,
|
|
PWTS_SESSION_INFOW* ppSessionInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateSessionsA(HANDLE hServer, DWORD Reserved, DWORD Version,
|
|
PWTS_SESSION_INFOA* ppSessionInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateSessionsExW(HANDLE hServer, DWORD* pLevel, DWORD Filter,
|
|
PWTS_SESSION_INFO_1W* ppSessionInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateSessionsExA(HANDLE hServer, DWORD* pLevel, DWORD Filter,
|
|
PWTS_SESSION_INFO_1A* ppSessionInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateProcessesW(HANDLE hServer, DWORD Reserved, DWORD Version,
|
|
PWTS_PROCESS_INFOW* ppProcessInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateProcessesA(HANDLE hServer, DWORD Reserved, DWORD Version,
|
|
PWTS_PROCESS_INFOA* ppProcessInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSTerminateProcess(HANDLE hServer, DWORD ProcessId, DWORD ExitCode)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSQuerySessionInformationW(HANDLE hServer, DWORD SessionId,
|
|
WTS_INFO_CLASS WTSInfoClass, LPWSTR* ppBuffer,
|
|
DWORD* pBytesReturned)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSQuerySessionInformationA(HANDLE hServer, DWORD SessionId,
|
|
WTS_INFO_CLASS WTSInfoClass, LPSTR* ppBuffer,
|
|
DWORD* pBytesReturned)
|
|
{
|
|
DWORD BytesReturned;
|
|
WTSVirtualChannelManager* vcm;
|
|
vcm = (WTSVirtualChannelManager*)hServer;
|
|
|
|
if (!vcm)
|
|
return FALSE;
|
|
|
|
if (WTSInfoClass == WTSSessionId)
|
|
{
|
|
ULONG* pBuffer;
|
|
BytesReturned = sizeof(ULONG);
|
|
pBuffer = (ULONG*)malloc(sizeof(BytesReturned));
|
|
|
|
if (!pBuffer)
|
|
{
|
|
SetLastError(E_OUTOFMEMORY);
|
|
return FALSE;
|
|
}
|
|
|
|
*pBuffer = vcm->SessionId;
|
|
*ppBuffer = (LPSTR)pBuffer;
|
|
*pBytesReturned = BytesReturned;
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSQueryUserConfigW(LPWSTR pServerName, LPWSTR pUserName,
|
|
WTS_CONFIG_CLASS WTSConfigClass, LPWSTR* ppBuffer,
|
|
DWORD* pBytesReturned)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSQueryUserConfigA(LPSTR pServerName, LPSTR pUserName,
|
|
WTS_CONFIG_CLASS WTSConfigClass, LPSTR* ppBuffer,
|
|
DWORD* pBytesReturned)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSSetUserConfigW(LPWSTR pServerName, LPWSTR pUserName,
|
|
WTS_CONFIG_CLASS WTSConfigClass, LPWSTR pBuffer,
|
|
DWORD DataLength)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSSetUserConfigA(LPSTR pServerName, LPSTR pUserName,
|
|
WTS_CONFIG_CLASS WTSConfigClass, LPSTR pBuffer,
|
|
DWORD DataLength)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSSendMessageW(HANDLE hServer, DWORD SessionId, LPWSTR pTitle,
|
|
DWORD TitleLength, LPWSTR pMessage, DWORD MessageLength,
|
|
DWORD Style, DWORD Timeout, DWORD* pResponse, BOOL bWait)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSSendMessageA(HANDLE hServer, DWORD SessionId, LPSTR pTitle,
|
|
DWORD TitleLength, LPSTR pMessage, DWORD MessageLength,
|
|
DWORD Style, DWORD Timeout, DWORD* pResponse, BOOL bWait)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSDisconnectSession(HANDLE hServer, DWORD SessionId, BOOL bWait)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSLogoffSession(HANDLE hServer, DWORD SessionId, BOOL bWait)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSShutdownSystem(HANDLE hServer, DWORD ShutdownFlag)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSWaitSystemEvent(HANDLE hServer, DWORD EventMask, DWORD* pEventFlags)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void peer_channel_queue_free_message(void* obj)
|
|
{
|
|
wMessage* msg = (wMessage*)obj;
|
|
if (!msg)
|
|
return;
|
|
|
|
free(msg->context);
|
|
msg->context = NULL;
|
|
}
|
|
|
|
static rdpPeerChannel* channel_new(WTSVirtualChannelManager* vcm, freerdp_peer* client,
|
|
UINT32 ChannelId, UINT16 index, UINT16 type, size_t chunkSize,
|
|
const char* name)
|
|
{
|
|
wObject queueCallbacks = { 0 };
|
|
queueCallbacks.fnObjectFree = peer_channel_queue_free_message;
|
|
|
|
rdpPeerChannel* channel =
|
|
server_channel_common_new(client, index, ChannelId, chunkSize, &queueCallbacks, name);
|
|
|
|
WINPR_ASSERT(vcm);
|
|
WINPR_ASSERT(client);
|
|
|
|
if (!channel)
|
|
goto fail;
|
|
|
|
channel->vcm = vcm;
|
|
channel->channelType = type;
|
|
channel->creationStatus =
|
|
(type == RDP_PEER_CHANNEL_TYPE_SVC) ? ERROR_SUCCESS : ERROR_OPERATION_IN_PROGRESS;
|
|
|
|
return channel;
|
|
fail:
|
|
channel_free(channel);
|
|
return NULL;
|
|
}
|
|
|
|
HANDLE WINAPI FreeRDP_WTSVirtualChannelOpen(HANDLE hServer, DWORD SessionId, LPSTR pVirtualName)
|
|
{
|
|
size_t length;
|
|
UINT32 index;
|
|
rdpMcs* mcs;
|
|
rdpMcsChannel* joined_channel = NULL;
|
|
freerdp_peer* client;
|
|
rdpPeerChannel* channel = NULL;
|
|
WTSVirtualChannelManager* vcm;
|
|
HANDLE hChannelHandle = NULL;
|
|
rdpContext* context;
|
|
vcm = (WTSVirtualChannelManager*)hServer;
|
|
|
|
if (!vcm)
|
|
{
|
|
SetLastError(ERROR_INVALID_DATA);
|
|
return NULL;
|
|
}
|
|
|
|
client = vcm->client;
|
|
WINPR_ASSERT(client);
|
|
|
|
context = client->context;
|
|
WINPR_ASSERT(context);
|
|
WINPR_ASSERT(context->rdp);
|
|
WINPR_ASSERT(context->settings);
|
|
|
|
mcs = context->rdp->mcs;
|
|
WINPR_ASSERT(mcs);
|
|
|
|
length = strnlen(pVirtualName, CHANNEL_NAME_LEN + 1);
|
|
|
|
if (length > CHANNEL_NAME_LEN)
|
|
{
|
|
SetLastError(ERROR_NOT_FOUND);
|
|
return NULL;
|
|
}
|
|
|
|
for (index = 0; index < mcs->channelCount; index++)
|
|
{
|
|
rdpMcsChannel* mchannel = &mcs->channels[index];
|
|
if (mchannel->joined && (strncmp(mchannel->Name, pVirtualName, length) == 0))
|
|
{
|
|
joined_channel = mchannel;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!joined_channel)
|
|
{
|
|
SetLastError(ERROR_NOT_FOUND);
|
|
return NULL;
|
|
}
|
|
|
|
channel = (rdpPeerChannel*)joined_channel->handle;
|
|
|
|
if (!channel)
|
|
{
|
|
const UINT32 VCChunkSize =
|
|
freerdp_settings_get_uint32(context->settings, FreeRDP_VCChunkSize);
|
|
channel = channel_new(vcm, client, joined_channel->ChannelId, index,
|
|
RDP_PEER_CHANNEL_TYPE_SVC, VCChunkSize, pVirtualName);
|
|
|
|
if (!channel)
|
|
goto fail;
|
|
|
|
joined_channel->handle = channel;
|
|
}
|
|
|
|
hChannelHandle = (HANDLE)channel;
|
|
return hChannelHandle;
|
|
fail:
|
|
channel_free(channel);
|
|
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
return NULL;
|
|
}
|
|
|
|
HANDLE WINAPI FreeRDP_WTSVirtualChannelOpenEx(DWORD SessionId, LPSTR pVirtualName, DWORD flags)
|
|
{
|
|
UINT32 index;
|
|
wStream* s = NULL;
|
|
rdpMcs* mcs;
|
|
BOOL joined = FALSE;
|
|
freerdp_peer* client;
|
|
rdpPeerChannel* channel = NULL;
|
|
ULONG written;
|
|
WTSVirtualChannelManager* vcm = NULL;
|
|
|
|
if (SessionId == WTS_CURRENT_SESSION)
|
|
return NULL;
|
|
|
|
vcm = (WTSVirtualChannelManager*)HashTable_GetItemValue(g_ServerHandles,
|
|
(void*)(UINT_PTR)SessionId);
|
|
|
|
if (!vcm)
|
|
return NULL;
|
|
|
|
if (!(flags & WTS_CHANNEL_OPTION_DYNAMIC))
|
|
{
|
|
return FreeRDP_WTSVirtualChannelOpen((HANDLE)vcm, SessionId, pVirtualName);
|
|
}
|
|
|
|
client = vcm->client;
|
|
mcs = client->context->rdp->mcs;
|
|
|
|
for (index = 0; index < mcs->channelCount; index++)
|
|
{
|
|
rdpMcsChannel* mchannel = &mcs->channels[index];
|
|
if (mchannel->joined &&
|
|
(strncmp(mchannel->Name, DRDYNVC_SVC_CHANNEL_NAME, CHANNEL_NAME_LEN + 1) == 0))
|
|
{
|
|
joined = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!joined)
|
|
{
|
|
SetLastError(ERROR_NOT_FOUND);
|
|
return NULL;
|
|
}
|
|
|
|
if (!vcm->drdynvc_channel || (vcm->drdynvc_state != DRDYNVC_STATE_READY))
|
|
{
|
|
SetLastError(ERROR_NOT_READY);
|
|
return NULL;
|
|
}
|
|
|
|
WINPR_ASSERT(client);
|
|
WINPR_ASSERT(client->context);
|
|
WINPR_ASSERT(client->context->settings);
|
|
|
|
const UINT32 VCChunkSize =
|
|
freerdp_settings_get_uint32(client->context->settings, FreeRDP_VCChunkSize);
|
|
channel = channel_new(vcm, client, 0, 0, RDP_PEER_CHANNEL_TYPE_DVC, VCChunkSize, pVirtualName);
|
|
|
|
if (!channel)
|
|
{
|
|
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
return NULL;
|
|
}
|
|
|
|
channel->channelId = InterlockedIncrement(&vcm->dvc_channel_id_seq);
|
|
|
|
if (!HashTable_Insert(vcm->dynamicVirtualChannels, &channel->channelId, channel))
|
|
{
|
|
channel_free(channel);
|
|
channel = NULL;
|
|
goto fail;
|
|
}
|
|
s = Stream_New(NULL, 64);
|
|
|
|
if (!s)
|
|
goto fail;
|
|
|
|
if (!wts_write_drdynvc_create_request(s, channel->channelId, pVirtualName))
|
|
goto fail;
|
|
|
|
if (!WTSVirtualChannelWrite(vcm->drdynvc_channel, (PCHAR)Stream_Buffer(s),
|
|
Stream_GetPosition(s), &written))
|
|
goto fail;
|
|
|
|
Stream_Free(s, TRUE);
|
|
return channel;
|
|
fail:
|
|
Stream_Free(s, TRUE);
|
|
if (channel)
|
|
HashTable_Remove(vcm->dynamicVirtualChannels, &channel->channelId);
|
|
|
|
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
return NULL;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSVirtualChannelClose(HANDLE hChannelHandle)
|
|
{
|
|
wStream* s;
|
|
rdpMcs* mcs;
|
|
|
|
rdpPeerChannel* channel = (rdpPeerChannel*)hChannelHandle;
|
|
BOOL ret = TRUE;
|
|
|
|
if (channel)
|
|
{
|
|
WTSVirtualChannelManager* vcm = channel->vcm;
|
|
|
|
WINPR_ASSERT(vcm);
|
|
WINPR_ASSERT(vcm->client);
|
|
WINPR_ASSERT(vcm->client->context);
|
|
WINPR_ASSERT(vcm->client->context->rdp);
|
|
mcs = vcm->client->context->rdp->mcs;
|
|
|
|
if (channel->channelType == RDP_PEER_CHANNEL_TYPE_SVC)
|
|
{
|
|
if (channel->index < mcs->channelCount)
|
|
{
|
|
rdpMcsChannel* cur = &mcs->channels[channel->index];
|
|
rdpPeerChannel* peerChannel = (rdpPeerChannel*)cur->handle;
|
|
channel_free(peerChannel);
|
|
cur->handle = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (channel->dvc_open_state == DVC_OPEN_STATE_SUCCEEDED)
|
|
{
|
|
ULONG written;
|
|
s = Stream_New(NULL, 8);
|
|
|
|
if (!s)
|
|
{
|
|
WLog_ERR(TAG, "Stream_New failed!");
|
|
ret = FALSE;
|
|
}
|
|
else
|
|
{
|
|
wts_write_drdynvc_header(s, CLOSE_REQUEST_PDU, channel->channelId);
|
|
ret = WTSVirtualChannelWrite(vcm->drdynvc_channel, (PCHAR)Stream_Buffer(s),
|
|
Stream_GetPosition(s), &written);
|
|
Stream_Free(s, TRUE);
|
|
}
|
|
}
|
|
HashTable_Remove(vcm->dynamicVirtualChannels, &channel->channelId);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSVirtualChannelRead(HANDLE hChannelHandle, ULONG TimeOut, PCHAR Buffer,
|
|
ULONG BufferSize, PULONG pBytesRead)
|
|
{
|
|
BYTE* buffer = NULL;
|
|
wMessage message = { 0 };
|
|
wtsChannelMessage* messageCtx = NULL;
|
|
rdpPeerChannel* channel = (rdpPeerChannel*)hChannelHandle;
|
|
|
|
WINPR_ASSERT(channel);
|
|
|
|
if (!MessageQueue_Peek(channel->queue, &message, FALSE))
|
|
{
|
|
SetLastError(ERROR_NO_DATA);
|
|
*pBytesRead = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
messageCtx = message.context;
|
|
|
|
if (messageCtx == NULL)
|
|
return FALSE;
|
|
|
|
buffer = (BYTE*)(messageCtx + 1);
|
|
*pBytesRead = messageCtx->length - messageCtx->offset;
|
|
|
|
if (Buffer == NULL || BufferSize == 0)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
if (*pBytesRead > BufferSize)
|
|
*pBytesRead = BufferSize;
|
|
|
|
CopyMemory(Buffer, buffer + messageCtx->offset, *pBytesRead);
|
|
messageCtx->offset += *pBytesRead;
|
|
|
|
if (messageCtx->offset >= messageCtx->length)
|
|
{
|
|
MessageQueue_Peek(channel->queue, &message, TRUE);
|
|
peer_channel_queue_free_message(&message);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
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;
|
|
UINT32 totalWritten = 0;
|
|
rdpPeerChannel* channel = (rdpPeerChannel*)hChannelHandle;
|
|
BOOL ret = FALSE;
|
|
|
|
if (!channel)
|
|
return FALSE;
|
|
|
|
EnterCriticalSection(&channel->writeLock);
|
|
WINPR_ASSERT(channel->vcm);
|
|
if (channel->channelType == RDP_PEER_CHANNEL_TYPE_SVC)
|
|
{
|
|
length = Length;
|
|
buffer = (BYTE*)malloc(length);
|
|
|
|
if (!buffer)
|
|
{
|
|
SetLastError(E_OUTOFMEMORY);
|
|
goto fail;
|
|
}
|
|
|
|
CopyMemory(buffer, Buffer, length);
|
|
totalWritten = Length;
|
|
ret = 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");
|
|
goto fail;
|
|
}
|
|
else
|
|
{
|
|
rdpContext* context;
|
|
|
|
first = TRUE;
|
|
WINPR_ASSERT(channel->client);
|
|
context = channel->client->context;
|
|
WINPR_ASSERT(context);
|
|
while (Length > 0)
|
|
{
|
|
s = Stream_New(NULL, DVC_MAX_DATA_PDU_SIZE);
|
|
|
|
if (!s)
|
|
{
|
|
WLog_ERR(TAG, "Stream_New failed!");
|
|
SetLastError(E_OUTOFMEMORY);
|
|
goto fail;
|
|
}
|
|
|
|
buffer = Stream_Buffer(s);
|
|
Stream_Seek_UINT8(s);
|
|
cbChId = wts_write_variable_uint(s, channel->channelId);
|
|
|
|
if (first && (Length > 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;
|
|
totalWritten += written;
|
|
if (!wts_queue_send_item(channel->vcm->drdynvc_channel, buffer, length))
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (pBytesWritten)
|
|
*pBytesWritten = totalWritten;
|
|
|
|
ret = TRUE;
|
|
fail:
|
|
LeaveCriticalSection(&channel->writeLock);
|
|
return ret;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSVirtualChannelPurgeInput(HANDLE hChannelHandle)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSVirtualChannelPurgeOutput(HANDLE hChannelHandle)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSVirtualChannelQuery(HANDLE hChannelHandle, WTS_VIRTUAL_CLASS WtsVirtualClass,
|
|
PVOID* ppBuffer, DWORD* pBytesReturned)
|
|
{
|
|
void* pfd;
|
|
BOOL bval;
|
|
void* fds[10] = { 0 };
|
|
HANDLE hEvent;
|
|
int fds_count = 0;
|
|
BOOL status = FALSE;
|
|
rdpPeerChannel* channel = (rdpPeerChannel*)hChannelHandle;
|
|
|
|
WINPR_ASSERT(channel);
|
|
|
|
switch ((UINT32)WtsVirtualClass)
|
|
{
|
|
case WTSVirtualFileHandle:
|
|
hEvent = MessageQueue_Event(channel->queue);
|
|
pfd = GetEventWaitObject(hEvent);
|
|
|
|
if (pfd)
|
|
{
|
|
fds[fds_count] = pfd;
|
|
(fds_count)++;
|
|
}
|
|
|
|
*ppBuffer = malloc(sizeof(void*));
|
|
|
|
if (!*ppBuffer)
|
|
{
|
|
SetLastError(E_OUTOFMEMORY);
|
|
}
|
|
else
|
|
{
|
|
CopyMemory(*ppBuffer, &fds[0], sizeof(void*));
|
|
*pBytesReturned = sizeof(void*);
|
|
status = TRUE;
|
|
}
|
|
|
|
break;
|
|
|
|
case WTSVirtualEventHandle:
|
|
hEvent = MessageQueue_Event(channel->queue);
|
|
|
|
*ppBuffer = malloc(sizeof(HANDLE));
|
|
|
|
if (!*ppBuffer)
|
|
{
|
|
SetLastError(E_OUTOFMEMORY);
|
|
}
|
|
else
|
|
{
|
|
CopyMemory(*ppBuffer, &(hEvent), sizeof(HANDLE));
|
|
*pBytesReturned = sizeof(void*);
|
|
status = TRUE;
|
|
}
|
|
|
|
break;
|
|
|
|
case WTSVirtualChannelReady:
|
|
if (channel->channelType == RDP_PEER_CHANNEL_TYPE_SVC)
|
|
{
|
|
bval = TRUE;
|
|
status = TRUE;
|
|
}
|
|
else
|
|
{
|
|
switch (channel->dvc_open_state)
|
|
{
|
|
case DVC_OPEN_STATE_NONE:
|
|
bval = FALSE;
|
|
status = TRUE;
|
|
break;
|
|
|
|
case DVC_OPEN_STATE_SUCCEEDED:
|
|
bval = TRUE;
|
|
status = TRUE;
|
|
break;
|
|
|
|
default:
|
|
*ppBuffer = NULL;
|
|
*pBytesReturned = 0;
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
*ppBuffer = malloc(sizeof(BOOL));
|
|
|
|
if (!*ppBuffer)
|
|
{
|
|
SetLastError(E_OUTOFMEMORY);
|
|
status = FALSE;
|
|
}
|
|
else
|
|
{
|
|
CopyMemory(*ppBuffer, &bval, sizeof(BOOL));
|
|
*pBytesReturned = sizeof(BOOL);
|
|
}
|
|
|
|
break;
|
|
case WTSVirtualChannelOpenStatus:
|
|
{
|
|
INT32 value = channel->creationStatus;
|
|
status = TRUE;
|
|
|
|
*ppBuffer = malloc(sizeof(value));
|
|
if (!*ppBuffer)
|
|
{
|
|
SetLastError(E_OUTOFMEMORY);
|
|
status = FALSE;
|
|
}
|
|
else
|
|
{
|
|
CopyMemory(*ppBuffer, &value, sizeof(value));
|
|
*pBytesReturned = sizeof(value);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
VOID WINAPI FreeRDP_WTSFreeMemory(PVOID pMemory)
|
|
{
|
|
free(pMemory);
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSFreeMemoryExW(WTS_TYPE_CLASS WTSTypeClass, PVOID pMemory,
|
|
ULONG NumberOfEntries)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSFreeMemoryExA(WTS_TYPE_CLASS WTSTypeClass, PVOID pMemory,
|
|
ULONG NumberOfEntries)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSRegisterSessionNotification(HWND hWnd, DWORD dwFlags)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSUnRegisterSessionNotification(HWND hWnd)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSRegisterSessionNotificationEx(HANDLE hServer, HWND hWnd, DWORD dwFlags)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSUnRegisterSessionNotificationEx(HANDLE hServer, HWND hWnd)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSQueryUserToken(ULONG SessionId, PHANDLE phToken)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateProcessesExW(HANDLE hServer, DWORD* pLevel, DWORD SessionId,
|
|
LPWSTR* ppProcessInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateProcessesExA(HANDLE hServer, DWORD* pLevel, DWORD SessionId,
|
|
LPSTR* ppProcessInfo, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateListenersW(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
PWTSLISTENERNAMEW pListeners, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSEnumerateListenersA(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
PWTSLISTENERNAMEA pListeners, DWORD* pCount)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSQueryListenerConfigW(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
LPWSTR pListenerName, PWTSLISTENERCONFIGW pBuffer)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSQueryListenerConfigA(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
LPSTR pListenerName, PWTSLISTENERCONFIGA pBuffer)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSCreateListenerW(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
LPWSTR pListenerName, PWTSLISTENERCONFIGW pBuffer,
|
|
DWORD flag)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSCreateListenerA(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
LPSTR pListenerName, PWTSLISTENERCONFIGA pBuffer, DWORD flag)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSSetListenerSecurityW(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
LPWSTR pListenerName,
|
|
SECURITY_INFORMATION SecurityInformation,
|
|
PSECURITY_DESCRIPTOR pSecurityDescriptor)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSSetListenerSecurityA(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
LPSTR pListenerName,
|
|
SECURITY_INFORMATION SecurityInformation,
|
|
PSECURITY_DESCRIPTOR pSecurityDescriptor)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSGetListenerSecurityW(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
LPWSTR pListenerName,
|
|
SECURITY_INFORMATION SecurityInformation,
|
|
PSECURITY_DESCRIPTOR pSecurityDescriptor, DWORD nLength,
|
|
LPDWORD lpnLengthNeeded)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSGetListenerSecurityA(HANDLE hServer, PVOID pReserved, DWORD Reserved,
|
|
LPSTR pListenerName,
|
|
SECURITY_INFORMATION SecurityInformation,
|
|
PSECURITY_DESCRIPTOR pSecurityDescriptor, DWORD nLength,
|
|
LPDWORD lpnLengthNeeded)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL CDECL FreeRDP_WTSEnableChildSessions(BOOL bEnable)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL CDECL FreeRDP_WTSIsChildSessionsEnabled(PBOOL pbEnabled)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL CDECL FreeRDP_WTSGetChildSessionId(PULONG pSessionId)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
DWORD WINAPI FreeRDP_WTSGetActiveConsoleSessionId(void)
|
|
{
|
|
return 0xFFFFFFFF;
|
|
}
|
|
BOOL WINAPI FreeRDP_WTSLogoffUser(HANDLE hServer)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI FreeRDP_WTSLogonUser(HANDLE hServer, LPCSTR username, LPCSTR password, LPCSTR domain)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
void server_channel_common_free(rdpPeerChannel* channel)
|
|
{
|
|
if (!channel)
|
|
return;
|
|
MessageQueue_Free(channel->queue);
|
|
Stream_Free(channel->receiveData, TRUE);
|
|
DeleteCriticalSection(&channel->writeLock);
|
|
free(channel);
|
|
}
|
|
|
|
rdpPeerChannel* server_channel_common_new(freerdp_peer* client, UINT16 index, UINT32 channelId,
|
|
size_t chunkSize, const wObject* callback,
|
|
const char* name)
|
|
{
|
|
rdpPeerChannel* channel = (rdpPeerChannel*)calloc(1, sizeof(rdpPeerChannel));
|
|
if (!channel)
|
|
return NULL;
|
|
|
|
InitializeCriticalSection(&channel->writeLock);
|
|
|
|
channel->receiveData = Stream_New(NULL, chunkSize);
|
|
if (!channel->receiveData)
|
|
goto fail;
|
|
|
|
channel->queue = MessageQueue_New(callback);
|
|
if (!channel->queue)
|
|
goto fail;
|
|
|
|
channel->index = index;
|
|
channel->client = client;
|
|
channel->channelId = channelId;
|
|
strncpy(channel->channelName, name, ARRAYSIZE(channel->channelName) - 1);
|
|
return channel;
|
|
fail:
|
|
server_channel_common_free(channel);
|
|
return NULL;
|
|
}
|