/**
* FreeRDP: A Remote Desktop Protocol Implementation
* RAIL Virtual Channel Plugin
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2011 Roman Barabanov <romanbarabanov@gmail.com>
* Copyright 2011 Vic Lee
* Copyright 2015 Thincast Technologies GmbH
* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
* Copyright 2017 Armin Novak <armin.novak@thincast.com>
* Copyright 2017 Thincast Technologies GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/crt.h>
#include <freerdp/types.h>
#include <freerdp/constants.h>
#include "rail_orders.h"
#include "rail_main.h"
RailClientContext* rail_get_client_interface(railPlugin* rail)
{
RailClientContext* pInterface;
if (!rail)
return NULL;
pInterface = (RailClientContext*)rail->channelEntryPoints.pInterface;
return pInterface;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_send(railPlugin* rail, wStream* s)
{
UINT status;
if (!rail)
{
Stream_Free(s, TRUE);
return CHANNEL_RC_BAD_INIT_HANDLE;
}
status = rail->channelEntryPoints.pVirtualChannelWriteEx(
rail->InitHandle, rail->OpenHandle, Stream_Buffer(s), (UINT32)Stream_GetPosition(s), s);
if (status != CHANNEL_RC_OK)
{
Stream_Free(s, TRUE);
WLog_ERR(TAG, "pVirtualChannelWriteEx failed with %s [%08" PRIX32 "]",
WTSErrorToString(status), status);
}
return status;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT rail_send_channel_data(railPlugin* rail, wStream* src)
{
wStream* s;
size_t length;
if (!rail || !src)
return ERROR_INVALID_PARAMETER;
length = Stream_GetPosition(src);
s = Stream_New(NULL, length);
if (!s)
{
WLog_ERR(TAG, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
Stream_Write(s, Stream_Buffer(src), length);
return rail_send(rail, s);
}
/**
* Callback Interface
*/
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_execute(RailClientContext* context, const RAIL_EXEC_ORDER* exec)
{
char* exeOrFile;
UINT error;
railPlugin* rail;
UINT16 flags;
RAIL_UNICODE_STRING ruExeOrFile = { 0 };
RAIL_UNICODE_STRING ruWorkingDir = { 0 };
RAIL_UNICODE_STRING ruArguments = { 0 };
if (!context || !exec)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
exeOrFile = exec->RemoteApplicationProgram;
flags = exec->flags;
if (!exeOrFile)
return ERROR_INVALID_PARAMETER;
if (!utf8_string_to_rail_string(exec->RemoteApplicationProgram,
&ruExeOrFile) || /* RemoteApplicationProgram */
!utf8_string_to_rail_string(exec->RemoteApplicationWorkingDir,
&ruWorkingDir) || /* ShellWorkingDirectory */
!utf8_string_to_rail_string(exec->RemoteApplicationArguments,
&ruArguments)) /* RemoteApplicationCmdLine */
error = ERROR_INTERNAL_ERROR;
else
error = rail_send_client_exec_order(rail, flags, &ruExeOrFile, &ruWorkingDir, &ruArguments);
free(ruExeOrFile.string);
free(ruWorkingDir.string);
free(ruArguments.string);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_activate(RailClientContext* context, const RAIL_ACTIVATE_ORDER* activate)
{
railPlugin* rail;
if (!context || !activate)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_activate_order(rail, activate);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_send_client_sysparam(RailClientContext* context, RAIL_SYSPARAM_ORDER* sysparam)
{
wStream* s;
size_t length = RAIL_SYSPARAM_ORDER_LENGTH;
railPlugin* rail;
UINT error;
BOOL extendedSpiSupported;
if (!context || !sysparam)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
switch (sysparam->param)
{
case SPI_SET_DRAG_FULL_WINDOWS:
case SPI_SET_KEYBOARD_CUES:
case SPI_SET_KEYBOARD_PREF:
case SPI_SET_MOUSE_BUTTON_SWAP:
length += 1;
break;
case SPI_SET_WORK_AREA:
case SPI_DISPLAY_CHANGE:
case SPI_TASKBAR_POS:
length += 8;
break;
case SPI_SET_HIGH_CONTRAST:
length += sysparam->highContrast.colorSchemeLength + 10;
break;
case SPI_SETFILTERKEYS:
length += 20;
break;
case SPI_SETSTICKYKEYS:
case SPI_SETCARETWIDTH:
case SPI_SETTOGGLEKEYS:
length += 4;
break;
default:
return ERROR_BAD_ARGUMENTS;
}
s = rail_pdu_init(length);
if (!s)
{
WLog_ERR(TAG, "rail_pdu_init failed!");
return CHANNEL_RC_NO_MEMORY;
}
extendedSpiSupported = rail_is_extended_spi_supported(rail->channelFlags);
if ((error = rail_write_sysparam_order(s, sysparam, extendedSpiSupported)))
{
WLog_ERR(TAG, "rail_write_client_sysparam_order failed with error %" PRIu32 "!", error);
Stream_Free(s, TRUE);
return error;
}
if ((error = rail_send_pdu(rail, s, TS_RAIL_ORDER_SYSPARAM)))
{
WLog_ERR(TAG, "rail_send_pdu failed with error %" PRIu32 "!", error);
}
Stream_Free(s, TRUE);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_system_param(RailClientContext* context,
const RAIL_SYSPARAM_ORDER* sysInParam)
{
UINT error = CHANNEL_RC_OK;
RAIL_SYSPARAM_ORDER sysparam;
if (!context || !sysInParam)
return ERROR_INVALID_PARAMETER;
sysparam = *sysInParam;
if (sysparam.params & SPI_MASK_SET_HIGH_CONTRAST)
{
sysparam.param = SPI_SET_HIGH_CONTRAST;
if ((error = rail_send_client_sysparam(context, &sysparam)))
{
WLog_ERR(TAG, "rail_send_client_sysparam failed with error %" PRIu32 "!", error);
return error;
}
}
if (sysparam.params & SPI_MASK_TASKBAR_POS)
{
sysparam.param = SPI_TASKBAR_POS;
if ((error = rail_send_client_sysparam(context, &sysparam)))
{
WLog_ERR(TAG, "rail_send_client_sysparam failed with error %" PRIu32 "!", error);
return error;
}
}
if (sysparam.params & SPI_MASK_SET_MOUSE_BUTTON_SWAP)
{
sysparam.param = SPI_SET_MOUSE_BUTTON_SWAP;
if ((error = rail_send_client_sysparam(context, &sysparam)))
{
WLog_ERR(TAG, "rail_send_client_sysparam failed with error %" PRIu32 "!", error);
return error;
}
}
if (sysparam.params & SPI_MASK_SET_KEYBOARD_PREF)
{
sysparam.param = SPI_SET_KEYBOARD_PREF;
if ((error = rail_send_client_sysparam(context, &sysparam)))
{
WLog_ERR(TAG, "rail_send_client_sysparam failed with error %" PRIu32 "!", error);
return error;
}
}
if (sysparam.params & SPI_MASK_SET_DRAG_FULL_WINDOWS)
{
sysparam.param = SPI_SET_DRAG_FULL_WINDOWS;
if ((error = rail_send_client_sysparam(context, &sysparam)))
{
WLog_ERR(TAG, "rail_send_client_sysparam failed with error %" PRIu32 "!", error);
return error;
}
}
if (sysparam.params & SPI_MASK_SET_KEYBOARD_CUES)
{
sysparam.param = SPI_SET_KEYBOARD_CUES;
if ((error = rail_send_client_sysparam(context, &sysparam)))
{
WLog_ERR(TAG, "rail_send_client_sysparam failed with error %" PRIu32 "!", error);
return error;
}
}
if (sysparam.params & SPI_MASK_SET_WORK_AREA)
{
sysparam.param = SPI_SET_WORK_AREA;
if ((error = rail_send_client_sysparam(context, &sysparam)))
{
WLog_ERR(TAG, "rail_send_client_sysparam failed with error %" PRIu32 "!", error);
return error;
}
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_system_command(RailClientContext* context,
const RAIL_SYSCOMMAND_ORDER* syscommand)
{
railPlugin* rail;
if (!context || !syscommand)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_syscommand_order(rail, syscommand);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_handshake(RailClientContext* context, const RAIL_HANDSHAKE_ORDER* handshake)
{
railPlugin* rail;
if (!context || !handshake)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_handshake_order(rail, handshake);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_notify_event(RailClientContext* context,
const RAIL_NOTIFY_EVENT_ORDER* notifyEvent)
{
railPlugin* rail;
if (!context || !notifyEvent)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_notify_event_order(rail, notifyEvent);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_window_move(RailClientContext* context,
const RAIL_WINDOW_MOVE_ORDER* windowMove)
{
railPlugin* rail;
if (!context || !windowMove)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_window_move_order(rail, windowMove);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_information(RailClientContext* context,
const RAIL_CLIENT_STATUS_ORDER* clientStatus)
{
railPlugin* rail;
if (!context || !clientStatus)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_status_order(rail, clientStatus);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_system_menu(RailClientContext* context, const RAIL_SYSMENU_ORDER* sysmenu)
{
railPlugin* rail;
if (!context || !sysmenu)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_sysmenu_order(rail, sysmenu);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_language_bar_info(RailClientContext* context,
const RAIL_LANGBAR_INFO_ORDER* langBarInfo)
{
railPlugin* rail;
if (!context || !langBarInfo)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_langbar_info_order(rail, langBarInfo);
}
static UINT rail_client_language_ime_info(RailClientContext* context,
const RAIL_LANGUAGEIME_INFO_ORDER* langImeInfo)
{
railPlugin* rail;
if (!context || !langImeInfo)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_languageime_info_order(rail, langImeInfo);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_client_get_appid_request(RailClientContext* context,
const RAIL_GET_APPID_REQ_ORDER* getAppIdReq)
{
railPlugin* rail;
if (!context || !getAppIdReq || !context->handle)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_get_appid_req_order(rail, getAppIdReq);
}
static UINT rail_client_compartment_info(RailClientContext* context,
const RAIL_COMPARTMENT_INFO_ORDER* compartmentInfo)
{
railPlugin* rail;
if (!context || !compartmentInfo || !context->handle)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_compartment_info_order(rail, compartmentInfo);
}
static UINT rail_client_cloak(RailClientContext* context, const RAIL_CLOAK* cloak)
{
railPlugin* rail;
if (!context || !cloak || !context->handle)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_cloak_order(rail, cloak);
}
static UINT rail_client_snap_arrange(RailClientContext* context, const RAIL_SNAP_ARRANGE* snap)
{
railPlugin* rail;
if (!context || !snap || !context->handle)
return ERROR_INVALID_PARAMETER;
rail = (railPlugin*)context->handle;
return rail_send_client_snap_arrange_order(rail, snap);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_virtual_channel_event_data_received(railPlugin* rail, void* pData,
UINT32 dataLength, UINT32 totalLength,
UINT32 dataFlags)
{
wStream* data_in;
if ((dataFlags & CHANNEL_FLAG_SUSPEND) || (dataFlags & CHANNEL_FLAG_RESUME))
{
return CHANNEL_RC_OK;
}
if (dataFlags & CHANNEL_FLAG_FIRST)
{
if (rail->data_in)
Stream_Free(rail->data_in, TRUE);
rail->data_in = Stream_New(NULL, totalLength);
if (!rail->data_in)
{
WLog_ERR(TAG, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
}
data_in = rail->data_in;
if (!Stream_EnsureRemainingCapacity(data_in, dataLength))
{
WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
return CHANNEL_RC_NO_MEMORY;
}
Stream_Write(data_in, pData, dataLength);
if (dataFlags & CHANNEL_FLAG_LAST)
{
if (Stream_Capacity(data_in) != Stream_GetPosition(data_in))
{
WLog_ERR(TAG, "rail_plugin_process_received: read error");
return ERROR_INTERNAL_ERROR;
}
rail->data_in = NULL;
Stream_SealLength(data_in);
Stream_SetPosition(data_in, 0);
if (!MessageQueue_Post(rail->queue, NULL, 0, (void*)data_in, NULL))
{
WLog_ERR(TAG, "MessageQueue_Post failed!");
return ERROR_INTERNAL_ERROR;
}
}
return CHANNEL_RC_OK;
}
static VOID VCAPITYPE rail_virtual_channel_open_event_ex(LPVOID lpUserParam, DWORD openHandle,
UINT event, LPVOID pData,
UINT32 dataLength, UINT32 totalLength,
UINT32 dataFlags)
{
UINT error = CHANNEL_RC_OK;
railPlugin* rail = (railPlugin*)lpUserParam;
switch (event)
{
case CHANNEL_EVENT_DATA_RECEIVED:
if (!rail || (rail->OpenHandle != openHandle))
{
WLog_ERR(TAG, "error no match");
return;
}
if ((error = rail_virtual_channel_event_data_received(rail, pData, dataLength,
totalLength, dataFlags)))
WLog_ERR(TAG,
"rail_virtual_channel_event_data_received failed with error %" PRIu32 "!",
error);
break;
case CHANNEL_EVENT_WRITE_CANCELLED:
case CHANNEL_EVENT_WRITE_COMPLETE:
{
wStream* s = (wStream*)pData;
Stream_Free(s, TRUE);
}
break;
case CHANNEL_EVENT_USER:
break;
}
if (error && rail && rail->rdpcontext)
setChannelError(rail->rdpcontext, error,
"rail_virtual_channel_open_event reported an error");
return;
}
static DWORD WINAPI rail_virtual_channel_client_thread(LPVOID arg)
{
wStream* data;
wMessage message;
railPlugin* rail = (railPlugin*)arg;
UINT error = CHANNEL_RC_OK;
while (1)
{
if (!MessageQueue_Wait(rail->queue))
{
WLog_ERR(TAG, "MessageQueue_Wait failed!");
error = ERROR_INTERNAL_ERROR;
break;
}
if (!MessageQueue_Peek(rail->queue, &message, TRUE))
{
WLog_ERR(TAG, "MessageQueue_Peek failed!");
error = ERROR_INTERNAL_ERROR;
break;
}
if (message.id == WMQ_QUIT)
break;
if (message.id == 0)
{
data = (wStream*)message.wParam;
error = rail_order_recv(rail, data);
Stream_Free(data, TRUE);
if (error)
{
WLog_ERR(TAG, "rail_order_recv failed with error %" PRIu32 "!", error);
break;
}
}
}
if (error && rail->rdpcontext)
setChannelError(rail->rdpcontext, error,
"rail_virtual_channel_client_thread reported an error");
ExitThread(error);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_virtual_channel_event_connected(railPlugin* rail, LPVOID pData, UINT32 dataLength)
{
RailClientContext* context = rail_get_client_interface(rail);
UINT status;
status = rail->channelEntryPoints.pVirtualChannelOpenEx(rail->InitHandle, &rail->OpenHandle,
rail->channelDef.name,
rail_virtual_channel_open_event_ex);
if (status != CHANNEL_RC_OK)
{
WLog_ERR(TAG, "pVirtualChannelOpen failed with %s [%08" PRIX32 "]",
WTSErrorToString(status), status);
return status;
}
if (context)
{
IFCALLRET(context->OnOpen, status, context, &rail->sendHandshake);
if (status != CHANNEL_RC_OK)
WLog_ERR(TAG, "context->OnOpen failed with %s [%08" PRIX32 "]",
WTSErrorToString(status), status);
}
rail->queue = MessageQueue_New(NULL);
if (!rail->queue)
{
WLog_ERR(TAG, "MessageQueue_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
if (!(rail->thread =
CreateThread(NULL, 0, rail_virtual_channel_client_thread, (void*)rail, 0, NULL)))
{
WLog_ERR(TAG, "CreateThread failed!");
MessageQueue_Free(rail->queue);
rail->queue = NULL;
return ERROR_INTERNAL_ERROR;
}
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rail_virtual_channel_event_disconnected(railPlugin* rail)
{
UINT rc;
if (rail->OpenHandle == 0)
return CHANNEL_RC_OK;
if (MessageQueue_PostQuit(rail->queue, 0) &&
(WaitForSingleObject(rail->thread, INFINITE) == WAIT_FAILED))
{
rc = GetLastError();
WLog_ERR(TAG, "WaitForSingleObject failed with error %" PRIu32 "", rc);
return rc;
}
MessageQueue_Free(rail->queue);
CloseHandle(rail->thread);
rail->queue = NULL;
rail->thread = NULL;
rc = rail->channelEntryPoints.pVirtualChannelCloseEx(rail->InitHandle, rail->OpenHandle);
if (CHANNEL_RC_OK != rc)
{
WLog_ERR(TAG, "pVirtualChannelCloseEx failed with %s [%08" PRIX32 "]", WTSErrorToString(rc),
rc);
return rc;
}
rail->OpenHandle = 0;
if (rail->data_in)
{
Stream_Free(rail->data_in, TRUE);
rail->data_in = NULL;
}
return CHANNEL_RC_OK;
}
static void rail_virtual_channel_event_terminated(railPlugin* rail)
{
rail->InitHandle = 0;
free(rail->context);
free(rail);
}
static VOID VCAPITYPE rail_virtual_channel_init_event_ex(LPVOID lpUserParam, LPVOID pInitHandle,
UINT event, LPVOID pData, UINT dataLength)
{
UINT error = CHANNEL_RC_OK;
railPlugin* rail = (railPlugin*)lpUserParam;
if (!rail || (rail->InitHandle != pInitHandle))
{
WLog_ERR(TAG, "error no match");
return;
}
switch (event)
{
case CHANNEL_EVENT_CONNECTED:
if ((error = rail_virtual_channel_event_connected(rail, pData, dataLength)))
WLog_ERR(TAG, "rail_virtual_channel_event_connected failed with error %" PRIu32 "!",
error);
break;
case CHANNEL_EVENT_DISCONNECTED:
if ((error = rail_virtual_channel_event_disconnected(rail)))
WLog_ERR(TAG,
"rail_virtual_channel_event_disconnected failed with error %" PRIu32 "!",
error);
break;
case CHANNEL_EVENT_TERMINATED:
rail_virtual_channel_event_terminated(rail);
break;
case CHANNEL_EVENT_ATTACHED:
case CHANNEL_EVENT_DETACHED:
default:
break;
}
if (error && rail->rdpcontext)
setChannelError(rail->rdpcontext, error,
"rail_virtual_channel_init_event_ex reported an error");
}
/* rail is always built-in */
#define VirtualChannelEntryEx rail_VirtualChannelEntryEx
BOOL VCAPITYPE VirtualChannelEntryEx(PCHANNEL_ENTRY_POINTS pEntryPoints, PVOID pInitHandle)
{
UINT rc;
railPlugin* rail;
RailClientContext* context = NULL;
CHANNEL_ENTRY_POINTS_FREERDP_EX* pEntryPointsEx;
BOOL isFreerdp = FALSE;
rail = (railPlugin*)calloc(1, sizeof(railPlugin));
if (!rail)
{
WLog_ERR(TAG, "calloc failed!");
return FALSE;
}
/* Default to automatically replying to server handshakes */
rail->sendHandshake = TRUE;
rail->channelDef.options = CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP |
CHANNEL_OPTION_COMPRESS_RDP | CHANNEL_OPTION_SHOW_PROTOCOL;
sprintf_s(rail->channelDef.name, ARRAYSIZE(rail->channelDef.name), RAIL_SVC_CHANNEL_NAME);
pEntryPointsEx = (CHANNEL_ENTRY_POINTS_FREERDP_EX*)pEntryPoints;
if ((pEntryPointsEx->cbSize >= sizeof(CHANNEL_ENTRY_POINTS_FREERDP_EX)) &&
(pEntryPointsEx->MagicNumber == FREERDP_CHANNEL_MAGIC_NUMBER))
{
context = (RailClientContext*)calloc(1, sizeof(RailClientContext));
if (!context)
{
WLog_ERR(TAG, "calloc failed!");
free(rail);
return FALSE;
}
context->handle = (void*)rail;
context->custom = NULL;
context->ClientExecute = rail_client_execute;
context->ClientActivate = rail_client_activate;
context->ClientSystemParam = rail_client_system_param;
context->ClientSystemCommand = rail_client_system_command;
context->ClientHandshake = rail_client_handshake;
context->ClientNotifyEvent = rail_client_notify_event;
context->ClientWindowMove = rail_client_window_move;
context->ClientInformation = rail_client_information;
context->ClientSystemMenu = rail_client_system_menu;
context->ClientLanguageBarInfo = rail_client_language_bar_info;
context->ClientLanguageIMEInfo = rail_client_language_ime_info;
context->ClientGetAppIdRequest = rail_client_get_appid_request;
context->ClientSnapArrange = rail_client_snap_arrange;
context->ClientCloak = rail_client_cloak;
context->ClientCompartmentInfo = rail_client_compartment_info;
rail->rdpcontext = pEntryPointsEx->context;
rail->context = context;
isFreerdp = TRUE;
}
rail->log = WLog_Get("com.freerdp.channels.rail.client");
WLog_Print(rail->log, WLOG_DEBUG, "VirtualChannelEntryEx");
CopyMemory(&(rail->channelEntryPoints), pEntryPoints, sizeof(CHANNEL_ENTRY_POINTS_FREERDP_EX));
rail->InitHandle = pInitHandle;
rc = rail->channelEntryPoints.pVirtualChannelInitEx(
rail, context, pInitHandle, &rail->channelDef, 1, VIRTUAL_CHANNEL_VERSION_WIN2000,
rail_virtual_channel_init_event_ex);
if (CHANNEL_RC_OK != rc)
{
WLog_ERR(TAG, "failed with %s [%08" PRIX32 "]", WTSErrorToString(rc), rc);
goto error_out;
}
rail->channelEntryPoints.pInterface = context;
return TRUE;
error_out:
if (isFreerdp)
free(rail->context);
free(rail);
return FALSE;
}