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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
commita9bcc81f821d7c66f623779fa5147e728eb3c388 (patch)
tree98676963bcdd537ae5908a067a8eb110b93486a6 /channels/rail/server
parentInitial commit. (diff)
downloadfreerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.tar.xz
freerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.zip
Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'channels/rail/server')
-rw-r--r--channels/rail/server/CMakeLists.txt33
-rw-r--r--channels/rail/server/rail_main.c1728
-rw-r--r--channels/rail/server/rail_main.h44
3 files changed, 1805 insertions, 0 deletions
diff --git a/channels/rail/server/CMakeLists.txt b/channels/rail/server/CMakeLists.txt
new file mode 100644
index 0000000..f8f64be
--- /dev/null
+++ b/channels/rail/server/CMakeLists.txt
@@ -0,0 +1,33 @@
+# FreeRDP: A Remote Desktop Protocol Implementation
+# FreeRDP cmake build script
+#
+# Copyright 2019 Mati Shabtay <matishabtay@gmail.com>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+define_channel_server("rail")
+
+set(${MODULE_PREFIX}_SRCS
+ ../rail_common.c
+ ../rail_common.h
+ rail_main.c
+ rail_main.h
+)
+
+set(${MODULE_PREFIX}_LIBS
+ freerdp
+)
+
+include_directories(..)
+
+add_channel_server_library(${MODULE_PREFIX} ${MODULE_NAME} ${CHANNEL_NAME} FALSE "VirtualChannelEntryEx")
diff --git a/channels/rail/server/rail_main.c b/channels/rail/server/rail_main.c
new file mode 100644
index 0000000..8e38c2b
--- /dev/null
+++ b/channels/rail/server/rail_main.c
@@ -0,0 +1,1728 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * RAIL Virtual Channel Plugin
+ *
+ * Copyright 2019 Mati Shabtay <matishabtay@gmail.com>
+ *
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <freerdp/types.h>
+#include <freerdp/constants.h>
+
+#include <freerdp/freerdp.h>
+#include <freerdp/channels/log.h>
+
+#include <winpr/crt.h>
+#include <winpr/synch.h>
+#include <winpr/thread.h>
+#include <winpr/stream.h>
+
+#include "rail_main.h"
+
+#define TAG CHANNELS_TAG("rail.server")
+
+/**
+ * Sends a single rail PDU on the channel
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send(RailServerContext* context, wStream* s, ULONG length)
+{
+ UINT status = CHANNEL_RC_OK;
+ ULONG written = 0;
+
+ if (!context)
+ return CHANNEL_RC_BAD_INIT_HANDLE;
+
+ if (!WTSVirtualChannelWrite(context->priv->rail_channel, (PCHAR)Stream_Buffer(s), length,
+ &written))
+ {
+ WLog_ERR(TAG, "WTSVirtualChannelWrite failed!");
+ status = ERROR_INTERNAL_ERROR;
+ }
+
+ return status;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_server_send_pdu(RailServerContext* context, wStream* s, UINT16 orderType)
+{
+ char buffer[128] = { 0 };
+ UINT16 orderLength = 0;
+
+ if (!context || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ orderLength = (UINT16)Stream_GetPosition(s);
+ Stream_SetPosition(s, 0);
+ rail_write_pdu_header(s, orderType, orderLength);
+ Stream_SetPosition(s, orderLength);
+ WLog_DBG(TAG, "Sending %s PDU, length: %" PRIu16 "",
+ rail_get_order_type_string_full(orderType, buffer, sizeof(buffer)), orderLength);
+ return rail_send(context, s, orderLength);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_write_local_move_size_order(wStream* s,
+ const RAIL_LOCALMOVESIZE_ORDER* localMoveSize)
+{
+ if (!s || !localMoveSize)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(s, localMoveSize->windowId); /* WindowId (4 bytes) */
+ Stream_Write_UINT16(s, localMoveSize->isMoveSizeStart ? 1 : 0); /* IsMoveSizeStart (2 bytes) */
+ Stream_Write_UINT16(s, localMoveSize->moveSizeType); /* MoveSizeType (2 bytes) */
+ Stream_Write_UINT16(s, localMoveSize->posX); /* PosX (2 bytes) */
+ Stream_Write_UINT16(s, localMoveSize->posY); /* PosY (2 bytes) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_write_min_max_info_order(wStream* s, const RAIL_MINMAXINFO_ORDER* minMaxInfo)
+{
+ if (!s || !minMaxInfo)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(s, minMaxInfo->windowId); /* WindowId (4 bytes) */
+ Stream_Write_INT16(s, minMaxInfo->maxWidth); /* MaxWidth (2 bytes) */
+ Stream_Write_INT16(s, minMaxInfo->maxHeight); /* MaxHeight (2 bytes) */
+ Stream_Write_INT16(s, minMaxInfo->maxPosX); /* MaxPosX (2 bytes) */
+ Stream_Write_INT16(s, minMaxInfo->maxPosY); /* MaxPosY (2 bytes) */
+ Stream_Write_INT16(s, minMaxInfo->minTrackWidth); /* MinTrackWidth (2 bytes) */
+ Stream_Write_INT16(s, minMaxInfo->minTrackHeight); /* MinTrackHeight (2 bytes) */
+ Stream_Write_INT16(s, minMaxInfo->maxTrackWidth); /* MaxTrackWidth (2 bytes) */
+ Stream_Write_INT16(s, minMaxInfo->maxTrackHeight); /* MaxTrackHeight (2 bytes) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_write_taskbar_info_order(wStream* s, const RAIL_TASKBAR_INFO_ORDER* taskbarInfo)
+{
+ if (!s || !taskbarInfo)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(s, taskbarInfo->TaskbarMessage); /* TaskbarMessage (4 bytes) */
+ Stream_Write_UINT32(s, taskbarInfo->WindowIdTab); /* WindowIdTab (4 bytes) */
+ Stream_Write_UINT32(s, taskbarInfo->Body); /* Body (4 bytes) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_write_langbar_info_order(wStream* s, const RAIL_LANGBAR_INFO_ORDER* langbarInfo)
+{
+ if (!s || !langbarInfo)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(s, langbarInfo->languageBarStatus); /* LanguageBarStatus (4 bytes) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_write_exec_result_order(wStream* s, const RAIL_EXEC_RESULT_ORDER* execResult)
+{
+ if (!s || !execResult)
+ return ERROR_INVALID_PARAMETER;
+
+ if (execResult->exeOrFile.length > 520 || execResult->exeOrFile.length < 1)
+ return ERROR_INVALID_DATA;
+
+ Stream_Write_UINT16(s, execResult->flags); /* Flags (2 bytes) */
+ Stream_Write_UINT16(s, execResult->execResult); /* ExecResult (2 bytes) */
+ Stream_Write_UINT32(s, execResult->rawResult); /* RawResult (4 bytes) */
+ Stream_Write_UINT16(s, 0); /* Padding (2 bytes) */
+ Stream_Write_UINT16(s, execResult->exeOrFile.length); /* ExeOrFileLength (2 bytes) */
+ Stream_Write(s, execResult->exeOrFile.string,
+ execResult->exeOrFile.length); /* ExeOrFile (variable) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_write_z_order_sync_order(wStream* s, const RAIL_ZORDER_SYNC* zOrderSync)
+{
+ if (!s || !zOrderSync)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(s, zOrderSync->windowIdMarker); /* WindowIdMarker (4 bytes) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_write_cloak_order(wStream* s, const RAIL_CLOAK* cloak)
+{
+ if (!s || !cloak)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(s, cloak->windowId); /* WindowId (4 bytes) */
+ Stream_Write_UINT8(s, cloak->cloak ? 1 : 0); /* Cloaked (1 byte) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT
+rail_write_power_display_request_order(wStream* s,
+ const RAIL_POWER_DISPLAY_REQUEST* powerDisplayRequest)
+{
+ if (!s || !powerDisplayRequest)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(s, powerDisplayRequest->active ? 1 : 0); /* Active (4 bytes) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_write_get_app_id_resp_order(wStream* s,
+ const RAIL_GET_APPID_RESP_ORDER* getAppidResp)
+{
+ if (!s || !getAppidResp)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(s, getAppidResp->windowId); /* WindowId (4 bytes) */
+ Stream_Write_UTF16_String(
+ s, getAppidResp->applicationId,
+ ARRAYSIZE(getAppidResp->applicationId)); /* ApplicationId (512 bytes) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_write_get_appid_resp_ex_order(wStream* s,
+ const RAIL_GET_APPID_RESP_EX* getAppidRespEx)
+{
+ if (!s || !getAppidRespEx)
+ return ERROR_INVALID_PARAMETER;
+
+ Stream_Write_UINT32(s, getAppidRespEx->windowID); /* WindowId (4 bytes) */
+ Stream_Write_UTF16_String(
+ s, getAppidRespEx->applicationID,
+ ARRAYSIZE(getAppidRespEx->applicationID)); /* ApplicationId (520 bytes) */
+ Stream_Write_UINT32(s, getAppidRespEx->processId); /* ProcessId (4 bytes) */
+ Stream_Write_UTF16_String(
+ s, getAppidRespEx->processImageName,
+ ARRAYSIZE(getAppidRespEx->processImageName)); /* ProcessImageName (520 bytes) */
+ return ERROR_SUCCESS;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_handshake(RailServerContext* context,
+ const RAIL_HANDSHAKE_ORDER* handshake)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !handshake)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_HANDSHAKE_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_handshake_order(s, handshake);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_HANDSHAKE);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_handshake_ex(RailServerContext* context,
+ const RAIL_HANDSHAKE_EX_ORDER* handshakeEx)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !handshakeEx || !context->priv)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_HANDSHAKE_EX_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_server_set_handshake_ex_flags(context, handshakeEx->railHandshakeFlags);
+
+ rail_write_handshake_ex_order(s, handshakeEx);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_HANDSHAKE_EX);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_sysparam(RailServerContext* context,
+ const RAIL_SYSPARAM_ORDER* sysparam)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+ RailServerPrivate* priv = NULL;
+ BOOL extendedSpiSupported = 0;
+
+ if (!context || !sysparam)
+ return ERROR_INVALID_PARAMETER;
+
+ priv = context->priv;
+
+ if (!priv)
+ return ERROR_INVALID_PARAMETER;
+
+ extendedSpiSupported = rail_is_extended_spi_supported(context->priv->channelFlags);
+ s = rail_pdu_init(RAIL_SYSPARAM_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_sysparam_order(s, sysparam, extendedSpiSupported);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_SYSPARAM);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_local_move_size(RailServerContext* context,
+ const RAIL_LOCALMOVESIZE_ORDER* localMoveSize)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !localMoveSize)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_LOCALMOVESIZE_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_local_move_size_order(s, localMoveSize);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_LOCALMOVESIZE);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_min_max_info(RailServerContext* context,
+ const RAIL_MINMAXINFO_ORDER* minMaxInfo)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !minMaxInfo)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_MINMAXINFO_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_min_max_info_order(s, minMaxInfo);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_MINMAXINFO);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_taskbar_info(RailServerContext* context,
+ const RAIL_TASKBAR_INFO_ORDER* taskbarInfo)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !taskbarInfo)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_TASKBAR_INFO_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_taskbar_info_order(s, taskbarInfo);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_TASKBARINFO);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_langbar_info(RailServerContext* context,
+ const RAIL_LANGBAR_INFO_ORDER* langbarInfo)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !langbarInfo)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_LANGBAR_INFO_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_langbar_info_order(s, langbarInfo);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_LANGBARINFO);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_exec_result(RailServerContext* context,
+ const RAIL_EXEC_RESULT_ORDER* execResult)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !execResult)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_EXEC_RESULT_ORDER_LENGTH + execResult->exeOrFile.length);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_exec_result_order(s, execResult);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_EXEC_RESULT);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_z_order_sync(RailServerContext* context,
+ const RAIL_ZORDER_SYNC* zOrderSync)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !zOrderSync)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_Z_ORDER_SYNC_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_z_order_sync_order(s, zOrderSync);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_ZORDER_SYNC);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_cloak(RailServerContext* context, const RAIL_CLOAK* cloak)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !cloak)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_CLOAK_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_cloak_order(s, cloak);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_CLOAK);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT
+rail_send_server_power_display_request(RailServerContext* context,
+ const RAIL_POWER_DISPLAY_REQUEST* powerDisplayRequest)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !powerDisplayRequest)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_POWER_DISPLAY_REQUEST_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_power_display_request_order(s, powerDisplayRequest);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_POWER_DISPLAY_REQUEST);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error coie
+ */
+static UINT rail_send_server_get_app_id_resp(RailServerContext* context,
+ const RAIL_GET_APPID_RESP_ORDER* getAppidResp)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !getAppidResp)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_GET_APPID_RESP_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_get_app_id_resp_order(s, getAppidResp);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_GET_APPID_RESP);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_send_server_get_appid_resp_ex(RailServerContext* context,
+ const RAIL_GET_APPID_RESP_EX* getAppidRespEx)
+{
+ wStream* s = NULL;
+ UINT error = 0;
+
+ if (!context || !getAppidRespEx)
+ return ERROR_INVALID_PARAMETER;
+
+ s = rail_pdu_init(RAIL_GET_APPID_RESP_EX_ORDER_LENGTH);
+
+ if (!s)
+ {
+ WLog_ERR(TAG, "rail_pdu_init failed!");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ rail_write_get_appid_resp_ex_order(s, getAppidRespEx);
+ error = rail_server_send_pdu(context, s, TS_RAIL_ORDER_GET_APPID_RESP_EX);
+ Stream_Free(s, TRUE);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_client_status_order(wStream* s, RAIL_CLIENT_STATUS_ORDER* clientStatus)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_CLIENT_STATUS_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, clientStatus->flags); /* Flags (4 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_exec_order(wStream* s, RAIL_EXEC_ORDER* exec)
+{
+ RAIL_EXEC_ORDER order = { 0 };
+ UINT16 exeLen = 0;
+ UINT16 workLen = 0;
+ UINT16 argLen = 0;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_EXEC_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT16(s, exec->flags); /* Flags (2 bytes) */
+ Stream_Read_UINT16(s, exeLen); /* ExeOrFileLength (2 bytes) */
+ Stream_Read_UINT16(s, workLen); /* WorkingDirLength (2 bytes) */
+ Stream_Read_UINT16(s, argLen); /* ArgumentsLength (2 bytes) */
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, (size_t)exeLen + workLen + argLen))
+ return ERROR_INVALID_DATA;
+
+ if (exeLen > 0)
+ {
+ const SSIZE_T len = exeLen / sizeof(WCHAR);
+ exec->RemoteApplicationProgram = Stream_Read_UTF16_String_As_UTF8(s, len, NULL);
+ if (!exec->RemoteApplicationProgram)
+ goto fail;
+ }
+ if (workLen > 0)
+ {
+ const SSIZE_T len = workLen / sizeof(WCHAR);
+ exec->RemoteApplicationWorkingDir = Stream_Read_UTF16_String_As_UTF8(s, len, NULL);
+ if (!exec->RemoteApplicationWorkingDir)
+ goto fail;
+ }
+ if (argLen > 0)
+ {
+ const SSIZE_T len = argLen / sizeof(WCHAR);
+ exec->RemoteApplicationArguments = Stream_Read_UTF16_String_As_UTF8(s, len, NULL);
+ if (!exec->RemoteApplicationArguments)
+ goto fail;
+ }
+
+ return CHANNEL_RC_OK;
+fail:
+ free(exec->RemoteApplicationProgram);
+ free(exec->RemoteApplicationArguments);
+ free(exec->RemoteApplicationWorkingDir);
+ *exec = order;
+ return ERROR_INTERNAL_ERROR;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_activate_order(wStream* s, RAIL_ACTIVATE_ORDER* activate)
+{
+ BYTE enabled = 0;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_ACTIVATE_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, activate->windowId); /* WindowId (4 bytes) */
+ Stream_Read_UINT8(s, enabled); /* Enabled (1 byte) */
+ activate->enabled = (enabled != 0) ? TRUE : FALSE;
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_sysmenu_order(wStream* s, RAIL_SYSMENU_ORDER* sysmenu)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_SYSMENU_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, sysmenu->windowId); /* WindowId (4 bytes) */
+ Stream_Read_INT16(s, sysmenu->left); /* Left (2 bytes) */
+ Stream_Read_INT16(s, sysmenu->top); /* Top (2 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_syscommand_order(wStream* s, RAIL_SYSCOMMAND_ORDER* syscommand)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_SYSCOMMAND_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, syscommand->windowId); /* WindowId (4 bytes) */
+ Stream_Read_UINT16(s, syscommand->command); /* Command (2 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_notify_event_order(wStream* s, RAIL_NOTIFY_EVENT_ORDER* notifyEvent)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_NOTIFY_EVENT_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, notifyEvent->windowId); /* WindowId (4 bytes) */
+ Stream_Read_UINT32(s, notifyEvent->notifyIconId); /* NotifyIconId (4 bytes) */
+ Stream_Read_UINT32(s, notifyEvent->message); /* Message (4 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_get_appid_req_order(wStream* s, RAIL_GET_APPID_REQ_ORDER* getAppidReq)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_GET_APPID_REQ_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, getAppidReq->windowId); /* WindowId (4 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_window_move_order(wStream* s, RAIL_WINDOW_MOVE_ORDER* windowMove)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_WINDOW_MOVE_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, windowMove->windowId); /* WindowId (4 bytes) */
+ Stream_Read_INT16(s, windowMove->left); /* Left (2 bytes) */
+ Stream_Read_INT16(s, windowMove->top); /* Top (2 bytes) */
+ Stream_Read_INT16(s, windowMove->right); /* Right (2 bytes) */
+ Stream_Read_INT16(s, windowMove->bottom); /* Bottom (2 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_snap_arange_order(wStream* s, RAIL_SNAP_ARRANGE* snapArrange)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_SNAP_ARRANGE_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, snapArrange->windowId); /* WindowId (4 bytes) */
+ Stream_Read_INT16(s, snapArrange->left); /* Left (2 bytes) */
+ Stream_Read_INT16(s, snapArrange->top); /* Top (2 bytes) */
+ Stream_Read_INT16(s, snapArrange->right); /* Right (2 bytes) */
+ Stream_Read_INT16(s, snapArrange->bottom); /* Bottom (2 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_langbar_info_order(wStream* s, RAIL_LANGBAR_INFO_ORDER* langbarInfo)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_LANGBAR_INFO_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, langbarInfo->languageBarStatus); /* LanguageBarStatus (4 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_language_ime_info_order(wStream* s,
+ RAIL_LANGUAGEIME_INFO_ORDER* languageImeInfo)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_LANGUAGEIME_INFO_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, languageImeInfo->ProfileType); /* ProfileType (4 bytes) */
+ Stream_Read_UINT16(s, languageImeInfo->LanguageID); /* LanguageID (2 bytes) */
+ Stream_Read(
+ s, &languageImeInfo->LanguageProfileCLSID,
+ sizeof(languageImeInfo->LanguageProfileCLSID)); /* LanguageProfileCLSID (16 bytes) */
+ Stream_Read(s, &languageImeInfo->ProfileGUID,
+ sizeof(languageImeInfo->ProfileGUID)); /* ProfileGUID (16 bytes) */
+ Stream_Read_UINT32(s, languageImeInfo->KeyboardLayout); /* KeyboardLayout (4 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_compartment_info_order(wStream* s,
+ RAIL_COMPARTMENT_INFO_ORDER* compartmentInfo)
+{
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_COMPARTMENT_INFO_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, compartmentInfo->ImeState); /* ImeState (4 bytes) */
+ Stream_Read_UINT32(s, compartmentInfo->ImeConvMode); /* ImeConvMode (4 bytes) */
+ Stream_Read_UINT32(s, compartmentInfo->ImeSentenceMode); /* ImeSentenceMode (4 bytes) */
+ Stream_Read_UINT32(s, compartmentInfo->KanaMode); /* KANAMode (4 bytes) */
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_read_cloak_order(wStream* s, RAIL_CLOAK* cloak)
+{
+ BYTE cloaked = 0;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, RAIL_CLOAK_ORDER_LENGTH))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, cloak->windowId); /* WindowId (4 bytes) */
+ Stream_Read_UINT8(s, cloaked); /* Cloaked (1 byte) */
+ cloak->cloak = (cloaked != 0) ? TRUE : FALSE;
+ return CHANNEL_RC_OK;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_handshake_order(RailServerContext* context,
+ RAIL_HANDSHAKE_ORDER* handshake, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !handshake || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_handshake_order(s, handshake)))
+ {
+ WLog_ERR(TAG, "rail_read_handshake_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientHandshake, error, context, handshake);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientHandshake failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_client_status_order(RailServerContext* context,
+ RAIL_CLIENT_STATUS_ORDER* clientStatus, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !clientStatus || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_client_status_order(s, clientStatus)))
+ {
+ WLog_ERR(TAG, "rail_read_client_status_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientClientStatus, error, context, clientStatus);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientClientStatus failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_exec_order(RailServerContext* context, wStream* s)
+{
+ UINT error = 0;
+ RAIL_EXEC_ORDER exec = { 0 };
+
+ if (!context || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_exec_order(s, &exec)))
+ {
+ WLog_ERR(TAG, "rail_read_client_status_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientExec, error, context, &exec);
+
+ if (error)
+ WLog_ERR(TAG, "context.Exec failed with error %" PRIu32 "", error);
+
+ free(exec.RemoteApplicationProgram);
+ free(exec.RemoteApplicationArguments);
+ free(exec.RemoteApplicationWorkingDir);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_sysparam_order(RailServerContext* context,
+ RAIL_SYSPARAM_ORDER* sysparam, wStream* s)
+{
+ UINT error = 0;
+ BOOL extendedSpiSupported = 0;
+
+ if (!context || !sysparam || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ extendedSpiSupported = rail_is_extended_spi_supported(context->priv->channelFlags);
+ if ((error = rail_read_sysparam_order(s, sysparam, extendedSpiSupported)))
+ {
+ WLog_ERR(TAG, "rail_read_sysparam_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientSysparam, error, context, sysparam);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientSysparam failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_activate_order(RailServerContext* context,
+ RAIL_ACTIVATE_ORDER* activate, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !activate || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_activate_order(s, activate)))
+ {
+ WLog_ERR(TAG, "rail_read_activate_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientActivate, error, context, activate);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientActivate failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_sysmenu_order(RailServerContext* context, RAIL_SYSMENU_ORDER* sysmenu,
+ wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !sysmenu || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_sysmenu_order(s, sysmenu)))
+ {
+ WLog_ERR(TAG, "rail_read_sysmenu_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientSysmenu, error, context, sysmenu);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientSysmenu failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_syscommand_order(RailServerContext* context,
+ RAIL_SYSCOMMAND_ORDER* syscommand, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !syscommand || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_syscommand_order(s, syscommand)))
+ {
+ WLog_ERR(TAG, "rail_read_syscommand_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientSyscommand, error, context, syscommand);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientSyscommand failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_notify_event_order(RailServerContext* context,
+ RAIL_NOTIFY_EVENT_ORDER* notifyEvent, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !notifyEvent || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_notify_event_order(s, notifyEvent)))
+ {
+ WLog_ERR(TAG, "rail_read_notify_event_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientNotifyEvent, error, context, notifyEvent);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientNotifyEvent failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_window_move_order(RailServerContext* context,
+ RAIL_WINDOW_MOVE_ORDER* windowMove, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !windowMove || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_window_move_order(s, windowMove)))
+ {
+ WLog_ERR(TAG, "rail_read_window_move_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientWindowMove, error, context, windowMove);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientWindowMove failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_snap_arrange_order(RailServerContext* context,
+ RAIL_SNAP_ARRANGE* snapArrange, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !snapArrange || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_snap_arange_order(s, snapArrange)))
+ {
+ WLog_ERR(TAG, "rail_read_snap_arange_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientSnapArrange, error, context, snapArrange);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientSnapArrange failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_get_appid_req_order(RailServerContext* context,
+ RAIL_GET_APPID_REQ_ORDER* getAppidReq, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !getAppidReq || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_get_appid_req_order(s, getAppidReq)))
+ {
+ WLog_ERR(TAG, "rail_read_get_appid_req_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientGetAppidReq, error, context, getAppidReq);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientGetAppidReq failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_langbar_info_order(RailServerContext* context,
+ RAIL_LANGBAR_INFO_ORDER* langbarInfo, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !langbarInfo || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_langbar_info_order(s, langbarInfo)))
+ {
+ WLog_ERR(TAG, "rail_read_langbar_info_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientLangbarInfo, error, context, langbarInfo);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientLangbarInfo failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_language_ime_info_order(RailServerContext* context,
+ RAIL_LANGUAGEIME_INFO_ORDER* languageImeInfo,
+ wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !languageImeInfo || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_language_ime_info_order(s, languageImeInfo)))
+ {
+ WLog_ERR(TAG, "rail_read_language_ime_info_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientLanguageImeInfo, error, context, languageImeInfo);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientLanguageImeInfo failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_compartment_info(RailServerContext* context,
+ RAIL_COMPARTMENT_INFO_ORDER* compartmentInfo,
+ wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !compartmentInfo || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_compartment_info_order(s, compartmentInfo)))
+ {
+ WLog_ERR(TAG, "rail_read_compartment_info_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientCompartmentInfo, error, context, compartmentInfo);
+
+ if (error)
+ WLog_ERR(TAG, "context.ClientCompartmentInfo failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_recv_client_cloak_order(RailServerContext* context, RAIL_CLOAK* cloak, wStream* s)
+{
+ UINT error = 0;
+
+ if (!context || !cloak || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if ((error = rail_read_cloak_order(s, cloak)))
+ {
+ WLog_ERR(TAG, "rail_read_cloak_order failed with error %" PRIu32 "!", error);
+ return error;
+ }
+
+ IFCALLRET(context->ClientCloak, error, context, cloak);
+
+ if (error)
+ WLog_ERR(TAG, "context.Cloak failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+static UINT rail_recv_client_text_scale_order(RailServerContext* context, wStream* s)
+{
+ UINT error = CHANNEL_RC_OK;
+ UINT32 TextScaleFactor = 0;
+
+ if (!context || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, TextScaleFactor);
+ IFCALLRET(context->ClientTextScale, error, context, TextScaleFactor);
+
+ if (error)
+ WLog_ERR(TAG, "context.TextScale failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+static UINT rail_recv_client_caret_blink(RailServerContext* context, wStream* s)
+{
+ UINT error = CHANNEL_RC_OK;
+ UINT32 CaretBlinkRate = 0;
+
+ if (!context || !s)
+ return ERROR_INVALID_PARAMETER;
+
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
+ return ERROR_INVALID_DATA;
+
+ Stream_Read_UINT32(s, CaretBlinkRate);
+ IFCALLRET(context->ClientCaretBlinkRate, error, context, CaretBlinkRate);
+
+ if (error)
+ WLog_ERR(TAG, "context.CaretBlinkRate failed with error %" PRIu32 "", error);
+
+ return error;
+}
+
+static DWORD WINAPI rail_server_thread(LPVOID arg)
+{
+ RailServerContext* context = (RailServerContext*)arg;
+ RailServerPrivate* priv = context->priv;
+ DWORD status = 0;
+ DWORD nCount = 0;
+ HANDLE events[8];
+ UINT error = CHANNEL_RC_OK;
+ events[nCount++] = priv->channelEvent;
+ events[nCount++] = priv->stopEvent;
+
+ while (TRUE)
+ {
+ status = WaitForMultipleObjects(nCount, events, FALSE, INFINITE);
+
+ if (status == WAIT_FAILED)
+ {
+ error = GetLastError();
+ WLog_ERR(TAG, "WaitForMultipleObjects failed with error %" PRIu32 "!", error);
+ break;
+ }
+
+ status = WaitForSingleObject(context->priv->stopEvent, 0);
+
+ if (status == WAIT_FAILED)
+ {
+ error = GetLastError();
+ WLog_ERR(TAG, "WaitForSingleObject failed with error %" PRIu32 "!", error);
+ break;
+ }
+
+ if (status == WAIT_OBJECT_0)
+ break;
+
+ status = WaitForSingleObject(context->priv->channelEvent, 0);
+
+ if (status == WAIT_FAILED)
+ {
+ error = GetLastError();
+ WLog_ERR(
+ TAG,
+ "WaitForSingleObject(context->priv->channelEvent, 0) failed with error %" PRIu32
+ "!",
+ error);
+ break;
+ }
+
+ if (status == WAIT_OBJECT_0)
+ {
+ if ((error = rail_server_handle_messages(context)))
+ {
+ WLog_ERR(TAG, "rail_server_handle_messages failed with error %" PRIu32 "", error);
+ break;
+ }
+ }
+ }
+
+ if (error && context->rdpcontext)
+ setChannelError(context->rdpcontext, error, "rail_server_thread reported an error");
+
+ ExitThread(error);
+ return error;
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT rail_server_start(RailServerContext* context)
+{
+ void* buffer = NULL;
+ DWORD bytesReturned = 0;
+ RailServerPrivate* priv = context->priv;
+ UINT error = ERROR_INTERNAL_ERROR;
+ priv->rail_channel =
+ WTSVirtualChannelOpen(context->vcm, WTS_CURRENT_SESSION, RAIL_SVC_CHANNEL_NAME);
+
+ if (!priv->rail_channel)
+ {
+ WLog_ERR(TAG, "WTSVirtualChannelOpen failed!");
+ return error;
+ }
+
+ if (!WTSVirtualChannelQuery(priv->rail_channel, WTSVirtualEventHandle, &buffer,
+ &bytesReturned) ||
+ (bytesReturned != sizeof(HANDLE)))
+ {
+ WLog_ERR(TAG,
+ "error during WTSVirtualChannelQuery(WTSVirtualEventHandle) or invalid returned "
+ "size(%" PRIu32 ")",
+ bytesReturned);
+
+ if (buffer)
+ WTSFreeMemory(buffer);
+
+ goto out_close;
+ }
+
+ CopyMemory(&priv->channelEvent, buffer, sizeof(HANDLE));
+ WTSFreeMemory(buffer);
+ context->priv->stopEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
+
+ if (!context->priv->stopEvent)
+ {
+ WLog_ERR(TAG, "CreateEvent failed!");
+ goto out_close;
+ }
+
+ context->priv->thread = CreateThread(NULL, 0, rail_server_thread, (void*)context, 0, NULL);
+
+ if (!context->priv->thread)
+ {
+ WLog_ERR(TAG, "CreateThread failed!");
+ goto out_stop_event;
+ }
+
+ return CHANNEL_RC_OK;
+out_stop_event:
+ CloseHandle(context->priv->stopEvent);
+ context->priv->stopEvent = NULL;
+out_close:
+ WTSVirtualChannelClose(context->priv->rail_channel);
+ context->priv->rail_channel = NULL;
+ return error;
+}
+
+static BOOL rail_server_stop(RailServerContext* context)
+{
+ RailServerPrivate* priv = (RailServerPrivate*)context->priv;
+
+ if (priv->thread)
+ {
+ SetEvent(priv->stopEvent);
+
+ if (WaitForSingleObject(priv->thread, INFINITE) == WAIT_FAILED)
+ {
+ WLog_ERR(TAG, "WaitForSingleObject failed with error %" PRIu32 "", GetLastError());
+ return FALSE;
+ }
+
+ CloseHandle(priv->thread);
+ CloseHandle(priv->stopEvent);
+ priv->thread = NULL;
+ priv->stopEvent = NULL;
+ }
+
+ if (priv->rail_channel)
+ {
+ WTSVirtualChannelClose(priv->rail_channel);
+ priv->rail_channel = NULL;
+ }
+
+ priv->channelEvent = NULL;
+ return TRUE;
+}
+
+RailServerContext* rail_server_context_new(HANDLE vcm)
+{
+ RailServerContext* context = NULL;
+ RailServerPrivate* priv = NULL;
+ context = (RailServerContext*)calloc(1, sizeof(RailServerContext));
+
+ if (!context)
+ {
+ WLog_ERR(TAG, "calloc failed!");
+ return NULL;
+ }
+
+ context->vcm = vcm;
+ context->Start = rail_server_start;
+ context->Stop = rail_server_stop;
+ context->ServerHandshake = rail_send_server_handshake;
+ context->ServerHandshakeEx = rail_send_server_handshake_ex;
+ context->ServerSysparam = rail_send_server_sysparam;
+ context->ServerLocalMoveSize = rail_send_server_local_move_size;
+ context->ServerMinMaxInfo = rail_send_server_min_max_info;
+ context->ServerTaskbarInfo = rail_send_server_taskbar_info;
+ context->ServerLangbarInfo = rail_send_server_langbar_info;
+ context->ServerExecResult = rail_send_server_exec_result;
+ context->ServerGetAppidResp = rail_send_server_get_app_id_resp;
+ context->ServerZOrderSync = rail_send_server_z_order_sync;
+ context->ServerCloak = rail_send_server_cloak;
+ context->ServerPowerDisplayRequest = rail_send_server_power_display_request;
+ context->ServerGetAppidRespEx = rail_send_server_get_appid_resp_ex;
+ context->priv = priv = (RailServerPrivate*)calloc(1, sizeof(RailServerPrivate));
+
+ if (!priv)
+ {
+ WLog_ERR(TAG, "calloc failed!");
+ goto out_free;
+ }
+
+ /* Create shared input stream */
+ priv->input_stream = Stream_New(NULL, 4096);
+
+ if (!priv->input_stream)
+ {
+ WLog_ERR(TAG, "Stream_New failed!");
+ goto out_free_priv;
+ }
+
+ return context;
+out_free_priv:
+ free(context->priv);
+out_free:
+ free(context);
+ return NULL;
+}
+
+void rail_server_context_free(RailServerContext* context)
+{
+ if (context->priv)
+ Stream_Free(context->priv->input_stream, TRUE);
+
+ free(context->priv);
+ free(context);
+}
+
+void rail_server_set_handshake_ex_flags(RailServerContext* context, DWORD flags)
+{
+ RailServerPrivate* priv = NULL;
+
+ if (!context || !context->priv)
+ return;
+
+ priv = context->priv;
+ priv->channelFlags = flags;
+}
+
+UINT rail_server_handle_messages(RailServerContext* context)
+{
+ char buffer[128] = { 0 };
+ UINT status = CHANNEL_RC_OK;
+ DWORD bytesReturned = 0;
+ UINT16 orderType = 0;
+ UINT16 orderLength = 0;
+ RailServerPrivate* priv = context->priv;
+ wStream* s = priv->input_stream;
+
+ /* Read header */
+ if (!Stream_EnsureRemainingCapacity(s, RAIL_PDU_HEADER_LENGTH))
+ {
+ WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed, RAIL_PDU_HEADER_LENGTH");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ if (!WTSVirtualChannelRead(priv->rail_channel, 0, Stream_Pointer(s), RAIL_PDU_HEADER_LENGTH,
+ &bytesReturned))
+ {
+ if (GetLastError() == ERROR_NO_DATA)
+ return ERROR_NO_DATA;
+
+ WLog_ERR(TAG, "channel connection closed");
+ return ERROR_INTERNAL_ERROR;
+ }
+
+ /* Parse header */
+ if ((status = rail_read_pdu_header(s, &orderType, &orderLength)) != CHANNEL_RC_OK)
+ {
+ WLog_ERR(TAG, "rail_read_pdu_header failed with error %" PRIu32 "!", status);
+ return status;
+ }
+
+ if (!Stream_EnsureRemainingCapacity(s, orderLength - RAIL_PDU_HEADER_LENGTH))
+ {
+ WLog_ERR(TAG,
+ "Stream_EnsureRemainingCapacity failed, orderLength - RAIL_PDU_HEADER_LENGTH");
+ return CHANNEL_RC_NO_MEMORY;
+ }
+
+ /* Read body */
+ if (!WTSVirtualChannelRead(priv->rail_channel, 0, Stream_Pointer(s),
+ orderLength - RAIL_PDU_HEADER_LENGTH, &bytesReturned))
+ {
+ if (GetLastError() == ERROR_NO_DATA)
+ return ERROR_NO_DATA;
+
+ WLog_ERR(TAG, "channel connection closed");
+ return ERROR_INTERNAL_ERROR;
+ }
+
+ WLog_DBG(TAG, "Received %s PDU, length:%" PRIu16 "",
+ rail_get_order_type_string_full(orderType, buffer, sizeof(buffer)), orderLength);
+
+ switch (orderType)
+ {
+ case TS_RAIL_ORDER_HANDSHAKE:
+ {
+ RAIL_HANDSHAKE_ORDER handshake;
+ return rail_recv_client_handshake_order(context, &handshake, s);
+ }
+
+ case TS_RAIL_ORDER_CLIENTSTATUS:
+ {
+ RAIL_CLIENT_STATUS_ORDER clientStatus;
+ return rail_recv_client_client_status_order(context, &clientStatus, s);
+ }
+
+ case TS_RAIL_ORDER_EXEC:
+ return rail_recv_client_exec_order(context, s);
+
+ case TS_RAIL_ORDER_SYSPARAM:
+ {
+ RAIL_SYSPARAM_ORDER sysparam = { 0 };
+ return rail_recv_client_sysparam_order(context, &sysparam, s);
+ }
+
+ case TS_RAIL_ORDER_ACTIVATE:
+ {
+ RAIL_ACTIVATE_ORDER activate;
+ return rail_recv_client_activate_order(context, &activate, s);
+ }
+
+ case TS_RAIL_ORDER_SYSMENU:
+ {
+ RAIL_SYSMENU_ORDER sysmenu;
+ return rail_recv_client_sysmenu_order(context, &sysmenu, s);
+ }
+
+ case TS_RAIL_ORDER_SYSCOMMAND:
+ {
+ RAIL_SYSCOMMAND_ORDER syscommand;
+ return rail_recv_client_syscommand_order(context, &syscommand, s);
+ }
+
+ case TS_RAIL_ORDER_NOTIFY_EVENT:
+ {
+ RAIL_NOTIFY_EVENT_ORDER notifyEvent;
+ return rail_recv_client_notify_event_order(context, &notifyEvent, s);
+ }
+
+ case TS_RAIL_ORDER_WINDOWMOVE:
+ {
+ RAIL_WINDOW_MOVE_ORDER windowMove;
+ return rail_recv_client_window_move_order(context, &windowMove, s);
+ }
+
+ case TS_RAIL_ORDER_SNAP_ARRANGE:
+ {
+ RAIL_SNAP_ARRANGE snapArrange;
+ return rail_recv_client_snap_arrange_order(context, &snapArrange, s);
+ }
+
+ case TS_RAIL_ORDER_GET_APPID_REQ:
+ {
+ RAIL_GET_APPID_REQ_ORDER getAppidReq;
+ return rail_recv_client_get_appid_req_order(context, &getAppidReq, s);
+ }
+
+ case TS_RAIL_ORDER_LANGBARINFO:
+ {
+ RAIL_LANGBAR_INFO_ORDER langbarInfo;
+ return rail_recv_client_langbar_info_order(context, &langbarInfo, s);
+ }
+
+ case TS_RAIL_ORDER_LANGUAGEIMEINFO:
+ {
+ RAIL_LANGUAGEIME_INFO_ORDER languageImeInfo;
+ return rail_recv_client_language_ime_info_order(context, &languageImeInfo, s);
+ }
+
+ case TS_RAIL_ORDER_COMPARTMENTINFO:
+ {
+ RAIL_COMPARTMENT_INFO_ORDER compartmentInfo;
+ return rail_recv_client_compartment_info(context, &compartmentInfo, s);
+ }
+
+ case TS_RAIL_ORDER_CLOAK:
+ {
+ RAIL_CLOAK cloak;
+ return rail_recv_client_cloak_order(context, &cloak, s);
+ }
+
+ case TS_RAIL_ORDER_TEXTSCALEINFO:
+ {
+ return rail_recv_client_text_scale_order(context, s);
+ }
+
+ case TS_RAIL_ORDER_CARETBLINKINFO:
+ {
+ return rail_recv_client_caret_blink(context, s);
+ }
+
+ default:
+ WLog_ERR(TAG, "Unknown RAIL PDU order received.");
+ return ERROR_INVALID_DATA;
+ }
+}
diff --git a/channels/rail/server/rail_main.h b/channels/rail/server/rail_main.h
new file mode 100644
index 0000000..f15cf19
--- /dev/null
+++ b/channels/rail/server/rail_main.h
@@ -0,0 +1,44 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * RAIL Virtual Channel Plugin
+ *
+ * Copyright 2019 Mati Shabtay <matishabtay@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FREERDP_CHANNEL_RAIL_SERVER_MAIN_H
+#define FREERDP_CHANNEL_RAIL_SERVER_MAIN_H
+
+#include <freerdp/rail.h>
+#include <freerdp/server/rail.h>
+
+#include <winpr/crt.h>
+#include <winpr/wlog.h>
+#include <winpr/stream.h>
+
+#include "../rail_common.h"
+
+struct s_rail_server_private
+{
+ HANDLE thread;
+ HANDLE stopEvent;
+ HANDLE channelEvent;
+ void* rail_channel;
+
+ wStream* input_stream;
+
+ DWORD channelFlags;
+};
+
+#endif /* FREERDP_CHANNEL_RAIL_SERVER_MAIN_H */