Milestone 5: deliver embedded RDP sessions and lifecycle hardening
This commit is contained in:
Keith Smith
618
third_party/FreeRDP/channels/rail/rail_common.c
vendored
Normal file
618
third_party/FreeRDP/channels/rail/rail_common.c
vendored
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@@ -0,0 +1,618 @@
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/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* RAIL common functions
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*
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Copyright 2011 Roman Barabanov <romanbarabanov@gmail.com>
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* Copyright 2011 Vic Lee
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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 "rail_common.h"
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#include <winpr/crt.h>
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#include <freerdp/channels/log.h>
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#define TAG CHANNELS_TAG("rail.common")
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const char* rail_get_order_type_string(UINT16 orderType)
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{
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switch (orderType)
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{
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case TS_RAIL_ORDER_EXEC:
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return "TS_RAIL_ORDER_EXEC";
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case TS_RAIL_ORDER_ACTIVATE:
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return "TS_RAIL_ORDER_ACTIVATE";
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case TS_RAIL_ORDER_SYSPARAM:
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return "TS_RAIL_ORDER_SYSPARAM";
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case TS_RAIL_ORDER_SYSCOMMAND:
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return "TS_RAIL_ORDER_SYSCOMMAND";
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case TS_RAIL_ORDER_HANDSHAKE:
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return "TS_RAIL_ORDER_HANDSHAKE";
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case TS_RAIL_ORDER_NOTIFY_EVENT:
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return "TS_RAIL_ORDER_NOTIFY_EVENT";
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case TS_RAIL_ORDER_WINDOWMOVE:
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return "TS_RAIL_ORDER_WINDOWMOVE";
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case TS_RAIL_ORDER_LOCALMOVESIZE:
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return "TS_RAIL_ORDER_LOCALMOVESIZE";
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case TS_RAIL_ORDER_MINMAXINFO:
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return "TS_RAIL_ORDER_MINMAXINFO";
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case TS_RAIL_ORDER_CLIENTSTATUS:
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return "TS_RAIL_ORDER_CLIENTSTATUS";
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case TS_RAIL_ORDER_SYSMENU:
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return "TS_RAIL_ORDER_SYSMENU";
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case TS_RAIL_ORDER_LANGBARINFO:
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return "TS_RAIL_ORDER_LANGBARINFO";
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case TS_RAIL_ORDER_GET_APPID_REQ:
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return "TS_RAIL_ORDER_GET_APPID_REQ";
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case TS_RAIL_ORDER_GET_APPID_RESP:
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return "TS_RAIL_ORDER_GET_APPID_RESP";
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case TS_RAIL_ORDER_TASKBARINFO:
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return "TS_RAIL_ORDER_TASKBARINFO";
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case TS_RAIL_ORDER_LANGUAGEIMEINFO:
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return "TS_RAIL_ORDER_LANGUAGEIMEINFO";
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case TS_RAIL_ORDER_COMPARTMENTINFO:
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return "TS_RAIL_ORDER_COMPARTMENTINFO";
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case TS_RAIL_ORDER_HANDSHAKE_EX:
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return "TS_RAIL_ORDER_HANDSHAKE_EX";
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case TS_RAIL_ORDER_ZORDER_SYNC:
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return "TS_RAIL_ORDER_ZORDER_SYNC";
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case TS_RAIL_ORDER_CLOAK:
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return "TS_RAIL_ORDER_CLOAK";
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case TS_RAIL_ORDER_POWER_DISPLAY_REQUEST:
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return "TS_RAIL_ORDER_POWER_DISPLAY_REQUEST";
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case TS_RAIL_ORDER_SNAP_ARRANGE:
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return "TS_RAIL_ORDER_SNAP_ARRANGE";
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case TS_RAIL_ORDER_GET_APPID_RESP_EX:
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return "TS_RAIL_ORDER_GET_APPID_RESP_EX";
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case TS_RAIL_ORDER_EXEC_RESULT:
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return "TS_RAIL_ORDER_EXEC_RESULT";
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case TS_RAIL_ORDER_TEXTSCALEINFO:
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return "TS_RAIL_ORDER_TEXTSCALEINFO";
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case TS_RAIL_ORDER_CARETBLINKINFO:
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return "TS_RAIL_ORDER_CARETBLINKINFO";
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default:
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return "TS_RAIL_ORDER_UNKNOWN";
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}
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}
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const char* rail_get_order_type_string_full(UINT16 orderType, char* buffer, size_t length)
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{
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(void)_snprintf(buffer, length, "%s[0x%04" PRIx16 "]", rail_get_order_type_string(orderType),
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orderType);
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return buffer;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rail_read_pdu_header(wStream* s, UINT16* orderType, UINT16* orderLength)
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{
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if (!s || !orderType || !orderLength)
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return ERROR_INVALID_PARAMETER;
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
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return ERROR_INVALID_DATA;
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Stream_Read_UINT16(s, *orderType); /* orderType (2 bytes) */
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Stream_Read_UINT16(s, *orderLength); /* orderLength (2 bytes) */
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return CHANNEL_RC_OK;
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}
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void rail_write_pdu_header(wStream* s, UINT16 orderType, UINT16 orderLength)
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{
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Stream_Write_UINT16(s, orderType); /* orderType (2 bytes) */
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Stream_Write_UINT16(s, orderLength); /* orderLength (2 bytes) */
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}
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wStream* rail_pdu_init(size_t length)
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{
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wStream* s = Stream_New(nullptr, length + RAIL_PDU_HEADER_LENGTH);
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if (!s)
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return nullptr;
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Stream_Seek(s, RAIL_PDU_HEADER_LENGTH);
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return s;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rail_read_handshake_order(wStream* s, RAIL_HANDSHAKE_ORDER* handshake)
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{
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
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return ERROR_INVALID_DATA;
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Stream_Read_UINT32(s, handshake->buildNumber); /* buildNumber (4 bytes) */
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return CHANNEL_RC_OK;
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}
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void rail_write_handshake_order(wStream* s, const RAIL_HANDSHAKE_ORDER* handshake)
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{
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Stream_Write_UINT32(s, handshake->buildNumber); /* buildNumber (4 bytes) */
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rail_read_handshake_ex_order(wStream* s, RAIL_HANDSHAKE_EX_ORDER* handshakeEx)
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{
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
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return ERROR_INVALID_DATA;
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Stream_Read_UINT32(s, handshakeEx->buildNumber); /* buildNumber (4 bytes) */
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Stream_Read_UINT32(s, handshakeEx->railHandshakeFlags); /* railHandshakeFlags (4 bytes) */
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return CHANNEL_RC_OK;
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}
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void rail_write_handshake_ex_order(wStream* s, const RAIL_HANDSHAKE_EX_ORDER* handshakeEx)
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{
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Stream_Write_UINT32(s, handshakeEx->buildNumber); /* buildNumber (4 bytes) */
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Stream_Write_UINT32(s, handshakeEx->railHandshakeFlags); /* railHandshakeFlags (4 bytes) */
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rail_write_unicode_string(wStream* s, const RAIL_UNICODE_STRING* unicode_string)
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{
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if (!s || !unicode_string)
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return ERROR_INVALID_PARAMETER;
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if (!Stream_EnsureRemainingCapacity(s, 2 + unicode_string->length))
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{
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WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
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return CHANNEL_RC_NO_MEMORY;
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}
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Stream_Write_UINT16(s, unicode_string->length); /* cbString (2 bytes) */
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Stream_Write(s, unicode_string->string, unicode_string->length); /* string */
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return CHANNEL_RC_OK;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rail_write_unicode_string_value(wStream* s, const RAIL_UNICODE_STRING* unicode_string)
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{
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size_t length = 0;
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if (!s || !unicode_string)
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return ERROR_INVALID_PARAMETER;
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length = unicode_string->length;
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if (length > 0)
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{
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if (!Stream_EnsureRemainingCapacity(s, length))
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{
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WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
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return CHANNEL_RC_NO_MEMORY;
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}
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Stream_Write(s, unicode_string->string, length); /* string */
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}
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return CHANNEL_RC_OK;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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static UINT rail_read_high_contrast(wStream* s, RAIL_HIGH_CONTRAST* highContrast)
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{
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if (!s || !highContrast)
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return ERROR_INVALID_PARAMETER;
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
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return ERROR_INVALID_DATA;
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Stream_Read_UINT32(s, highContrast->flags); /* flags (4 bytes) */
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Stream_Read_UINT32(s, highContrast->colorSchemeLength); /* colorSchemeLength (4 bytes) */
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if (!rail_read_unicode_string(s, &highContrast->colorScheme)) /* colorScheme */
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return ERROR_INTERNAL_ERROR;
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return CHANNEL_RC_OK;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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static UINT rail_write_high_contrast(wStream* s, const RAIL_HIGH_CONTRAST* highContrast)
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{
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UINT32 colorSchemeLength = 0;
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if (!s || !highContrast)
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return ERROR_INVALID_PARAMETER;
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if (!Stream_EnsureRemainingCapacity(s, 8))
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return CHANNEL_RC_NO_MEMORY;
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colorSchemeLength = highContrast->colorScheme.length + 2;
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Stream_Write_UINT32(s, highContrast->flags); /* flags (4 bytes) */
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Stream_Write_UINT32(s, colorSchemeLength); /* colorSchemeLength (4 bytes) */
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return rail_write_unicode_string(s, &highContrast->colorScheme); /* colorScheme */
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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static UINT rail_read_filterkeys(wStream* s, TS_FILTERKEYS* filterKeys)
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{
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if (!s || !filterKeys)
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return ERROR_INVALID_PARAMETER;
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 20))
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return ERROR_INVALID_DATA;
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Stream_Read_UINT32(s, filterKeys->Flags);
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Stream_Read_UINT32(s, filterKeys->WaitTime);
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Stream_Read_UINT32(s, filterKeys->DelayTime);
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Stream_Read_UINT32(s, filterKeys->RepeatTime);
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Stream_Read_UINT32(s, filterKeys->BounceTime);
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return CHANNEL_RC_OK;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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static UINT rail_write_filterkeys(wStream* s, const TS_FILTERKEYS* filterKeys)
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{
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if (!s || !filterKeys)
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return ERROR_INVALID_PARAMETER;
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if (!Stream_EnsureRemainingCapacity(s, 20))
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return CHANNEL_RC_NO_MEMORY;
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Stream_Write_UINT32(s, filterKeys->Flags);
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Stream_Write_UINT32(s, filterKeys->WaitTime);
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Stream_Write_UINT32(s, filterKeys->DelayTime);
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Stream_Write_UINT32(s, filterKeys->RepeatTime);
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Stream_Write_UINT32(s, filterKeys->BounceTime);
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return CHANNEL_RC_OK;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rail_read_sysparam_order(wStream* s, RAIL_SYSPARAM_ORDER* sysparam, BOOL extendedSpiSupported)
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{
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BYTE body = 0;
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UINT error = CHANNEL_RC_OK;
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if (!s || !sysparam)
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return ERROR_INVALID_PARAMETER;
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 5))
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return ERROR_INVALID_DATA;
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Stream_Read_UINT32(s, sysparam->param); /* systemParam (4 bytes) */
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sysparam->params = 0; /* bitflags of received params */
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switch (sysparam->param)
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{
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/* Client sysparams */
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case SPI_SET_DRAG_FULL_WINDOWS:
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sysparam->params |= SPI_MASK_SET_DRAG_FULL_WINDOWS;
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Stream_Read_UINT8(s, body); /* body (1 byte) */
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sysparam->dragFullWindows = body != 0;
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break;
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case SPI_SET_KEYBOARD_CUES:
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sysparam->params |= SPI_MASK_SET_KEYBOARD_CUES;
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Stream_Read_UINT8(s, body); /* body (1 byte) */
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sysparam->keyboardCues = body != 0;
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break;
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case SPI_SET_KEYBOARD_PREF:
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sysparam->params |= SPI_MASK_SET_KEYBOARD_PREF;
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Stream_Read_UINT8(s, body); /* body (1 byte) */
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sysparam->keyboardPref = body != 0;
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break;
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case SPI_SET_MOUSE_BUTTON_SWAP:
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sysparam->params |= SPI_MASK_SET_MOUSE_BUTTON_SWAP;
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Stream_Read_UINT8(s, body); /* body (1 byte) */
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sysparam->mouseButtonSwap = body != 0;
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break;
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case SPI_SET_WORK_AREA:
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sysparam->params |= SPI_MASK_SET_WORK_AREA;
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if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
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return ERROR_INVALID_DATA;
|
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|
||||
Stream_Read_UINT16(s, sysparam->workArea.left); /* left (2 bytes) */
|
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Stream_Read_UINT16(s, sysparam->workArea.top); /* top (2 bytes) */
|
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Stream_Read_UINT16(s, sysparam->workArea.right); /* right (2 bytes) */
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||||
Stream_Read_UINT16(s, sysparam->workArea.bottom); /* bottom (2 bytes) */
|
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break;
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||||
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case SPI_DISPLAY_CHANGE:
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sysparam->params |= SPI_MASK_DISPLAY_CHANGE;
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||||
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||||
if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
Stream_Read_UINT16(s, sysparam->displayChange.left); /* left (2 bytes) */
|
||||
Stream_Read_UINT16(s, sysparam->displayChange.top); /* top (2 bytes) */
|
||||
Stream_Read_UINT16(s, sysparam->displayChange.right); /* right (2 bytes) */
|
||||
Stream_Read_UINT16(s, sysparam->displayChange.bottom); /* bottom (2 bytes) */
|
||||
break;
|
||||
|
||||
case SPI_TASKBAR_POS:
|
||||
sysparam->params |= SPI_MASK_TASKBAR_POS;
|
||||
|
||||
if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
Stream_Read_UINT16(s, sysparam->taskbarPos.left); /* left (2 bytes) */
|
||||
Stream_Read_UINT16(s, sysparam->taskbarPos.top); /* top (2 bytes) */
|
||||
Stream_Read_UINT16(s, sysparam->taskbarPos.right); /* right (2 bytes) */
|
||||
Stream_Read_UINT16(s, sysparam->taskbarPos.bottom); /* bottom (2 bytes) */
|
||||
break;
|
||||
|
||||
case SPI_SET_HIGH_CONTRAST:
|
||||
sysparam->params |= SPI_MASK_SET_HIGH_CONTRAST;
|
||||
if (!Stream_CheckAndLogRequiredLength(TAG, s, 8))
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
error = rail_read_high_contrast(s, &sysparam->highContrast);
|
||||
break;
|
||||
|
||||
case SPI_SETCARETWIDTH:
|
||||
sysparam->params |= SPI_MASK_SET_CARET_WIDTH;
|
||||
|
||||
if (!extendedSpiSupported)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
Stream_Read_UINT32(s, sysparam->caretWidth);
|
||||
|
||||
if (sysparam->caretWidth < 0x0001)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
break;
|
||||
|
||||
case SPI_SETSTICKYKEYS:
|
||||
sysparam->params |= SPI_MASK_SET_STICKY_KEYS;
|
||||
|
||||
if (!extendedSpiSupported)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
Stream_Read_UINT32(s, sysparam->stickyKeys);
|
||||
break;
|
||||
|
||||
case SPI_SETTOGGLEKEYS:
|
||||
sysparam->params |= SPI_MASK_SET_TOGGLE_KEYS;
|
||||
|
||||
if (!extendedSpiSupported)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
if (!Stream_CheckAndLogRequiredLength(TAG, s, 4))
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
Stream_Read_UINT32(s, sysparam->toggleKeys);
|
||||
break;
|
||||
|
||||
case SPI_SETFILTERKEYS:
|
||||
sysparam->params |= SPI_MASK_SET_FILTER_KEYS;
|
||||
|
||||
if (!extendedSpiSupported)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
if (!Stream_CheckAndLogRequiredLength(TAG, s, 20))
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
error = rail_read_filterkeys(s, &sysparam->filterKeys);
|
||||
break;
|
||||
|
||||
/* Server sysparams */
|
||||
case SPI_SETSCREENSAVEACTIVE:
|
||||
sysparam->params |= SPI_MASK_SET_SCREEN_SAVE_ACTIVE;
|
||||
|
||||
Stream_Read_UINT8(s, body); /* body (1 byte) */
|
||||
sysparam->setScreenSaveActive = body != 0;
|
||||
break;
|
||||
|
||||
case SPI_SETSCREENSAVESECURE:
|
||||
sysparam->params |= SPI_MASK_SET_SET_SCREEN_SAVE_SECURE;
|
||||
|
||||
Stream_Read_UINT8(s, body); /* body (1 byte) */
|
||||
sysparam->setScreenSaveSecure = body != 0;
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
/**
|
||||
* Function description
|
||||
*
|
||||
* @return 0 on success, otherwise a Win32 err2or code
|
||||
*/
|
||||
UINT rail_write_sysparam_order(wStream* s, const RAIL_SYSPARAM_ORDER* sysparam,
|
||||
BOOL extendedSpiSupported)
|
||||
{
|
||||
BYTE body = 0;
|
||||
UINT error = CHANNEL_RC_OK;
|
||||
|
||||
if (!s || !sysparam)
|
||||
return ERROR_INVALID_PARAMETER;
|
||||
|
||||
if (!Stream_EnsureRemainingCapacity(s, 12))
|
||||
return CHANNEL_RC_NO_MEMORY;
|
||||
|
||||
Stream_Write_UINT32(s, sysparam->param); /* systemParam (4 bytes) */
|
||||
|
||||
switch (sysparam->param)
|
||||
{
|
||||
/* Client sysparams */
|
||||
case SPI_SET_DRAG_FULL_WINDOWS:
|
||||
body = sysparam->dragFullWindows ? 1 : 0;
|
||||
Stream_Write_UINT8(s, body);
|
||||
break;
|
||||
|
||||
case SPI_SET_KEYBOARD_CUES:
|
||||
body = sysparam->keyboardCues ? 1 : 0;
|
||||
Stream_Write_UINT8(s, body);
|
||||
break;
|
||||
|
||||
case SPI_SET_KEYBOARD_PREF:
|
||||
body = sysparam->keyboardPref ? 1 : 0;
|
||||
Stream_Write_UINT8(s, body);
|
||||
break;
|
||||
|
||||
case SPI_SET_MOUSE_BUTTON_SWAP:
|
||||
body = sysparam->mouseButtonSwap ? 1 : 0;
|
||||
Stream_Write_UINT8(s, body);
|
||||
break;
|
||||
|
||||
case SPI_SET_WORK_AREA:
|
||||
Stream_Write_UINT16(s, sysparam->workArea.left); /* left (2 bytes) */
|
||||
Stream_Write_UINT16(s, sysparam->workArea.top); /* top (2 bytes) */
|
||||
Stream_Write_UINT16(s, sysparam->workArea.right); /* right (2 bytes) */
|
||||
Stream_Write_UINT16(s, sysparam->workArea.bottom); /* bottom (2 bytes) */
|
||||
break;
|
||||
|
||||
case SPI_DISPLAY_CHANGE:
|
||||
Stream_Write_UINT16(s, sysparam->displayChange.left); /* left (2 bytes) */
|
||||
Stream_Write_UINT16(s, sysparam->displayChange.top); /* top (2 bytes) */
|
||||
Stream_Write_UINT16(s, sysparam->displayChange.right); /* right (2 bytes) */
|
||||
Stream_Write_UINT16(s, sysparam->displayChange.bottom); /* bottom (2 bytes) */
|
||||
break;
|
||||
|
||||
case SPI_TASKBAR_POS:
|
||||
Stream_Write_UINT16(s, sysparam->taskbarPos.left); /* left (2 bytes) */
|
||||
Stream_Write_UINT16(s, sysparam->taskbarPos.top); /* top (2 bytes) */
|
||||
Stream_Write_UINT16(s, sysparam->taskbarPos.right); /* right (2 bytes) */
|
||||
Stream_Write_UINT16(s, sysparam->taskbarPos.bottom); /* bottom (2 bytes) */
|
||||
break;
|
||||
|
||||
case SPI_SET_HIGH_CONTRAST:
|
||||
error = rail_write_high_contrast(s, &sysparam->highContrast);
|
||||
break;
|
||||
|
||||
case SPI_SETCARETWIDTH:
|
||||
if (!extendedSpiSupported)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
if (sysparam->caretWidth < 0x0001)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
Stream_Write_UINT32(s, sysparam->caretWidth);
|
||||
break;
|
||||
|
||||
case SPI_SETSTICKYKEYS:
|
||||
if (!extendedSpiSupported)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
Stream_Write_UINT32(s, sysparam->stickyKeys);
|
||||
break;
|
||||
|
||||
case SPI_SETTOGGLEKEYS:
|
||||
if (!extendedSpiSupported)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
Stream_Write_UINT32(s, sysparam->toggleKeys);
|
||||
break;
|
||||
|
||||
case SPI_SETFILTERKEYS:
|
||||
if (!extendedSpiSupported)
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
error = rail_write_filterkeys(s, &sysparam->filterKeys);
|
||||
break;
|
||||
|
||||
/* Server sysparams */
|
||||
case SPI_SETSCREENSAVEACTIVE:
|
||||
body = sysparam->setScreenSaveActive ? 1 : 0;
|
||||
Stream_Write_UINT8(s, body);
|
||||
break;
|
||||
|
||||
case SPI_SETSCREENSAVESECURE:
|
||||
body = sysparam->setScreenSaveSecure ? 1 : 0;
|
||||
Stream_Write_UINT8(s, body);
|
||||
break;
|
||||
|
||||
default:
|
||||
return ERROR_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
BOOL rail_is_extended_spi_supported(UINT32 channelFlags)
|
||||
{
|
||||
return (channelFlags & TS_RAIL_ORDER_HANDSHAKE_EX_FLAGS_EXTENDED_SPI_SUPPORTED) != 0;
|
||||
}
|
||||
|
||||
const char* rail_handshake_ex_flags_to_string(UINT32 flags, char* buffer, size_t len)
|
||||
{
|
||||
if (len < 1)
|
||||
return nullptr;
|
||||
|
||||
(void)_snprintf(buffer, len, "{");
|
||||
char* fbuffer = &buffer[1];
|
||||
len--;
|
||||
|
||||
if (flags & TS_RAIL_ORDER_HANDSHAKEEX_FLAGS_HIDEF)
|
||||
winpr_str_append("HIDEF", fbuffer, len, "|");
|
||||
if (flags & TS_RAIL_ORDER_HANDSHAKE_EX_FLAGS_EXTENDED_SPI_SUPPORTED)
|
||||
winpr_str_append("EXTENDED_SPI_SUPPORTED", fbuffer, len, "|");
|
||||
if (flags & TS_RAIL_ORDER_HANDSHAKE_EX_FLAGS_SNAP_ARRANGE_SUPPORTED)
|
||||
winpr_str_append("SNAP_ARRANGE_SUPPORTED", fbuffer, len, "|");
|
||||
if (flags & TS_RAIL_ORDER_HANDSHAKE_EX_FLAGS_TEXT_SCALE_SUPPORTED)
|
||||
winpr_str_append("TEXT_SCALE_SUPPORTED", fbuffer, len, "|");
|
||||
if (flags & TS_RAIL_ORDER_HANDSHAKE_EX_FLAGS_CARET_BLINK_SUPPORTED)
|
||||
winpr_str_append("CARET_BLINK_SUPPORTED", fbuffer, len, "|");
|
||||
if (flags & TS_RAIL_ORDER_HANDSHAKE_EX_FLAGS_EXTENDED_SPI_2_SUPPORTED)
|
||||
winpr_str_append("EXTENDED_SPI_2_SUPPORTED", fbuffer, len, "|");
|
||||
|
||||
char number[16] = WINPR_C_ARRAY_INIT;
|
||||
(void)_snprintf(number, sizeof(number), "[0x%08" PRIx32 "]", flags);
|
||||
winpr_str_append(number, buffer, len, "}");
|
||||
return buffer;
|
||||
}
|
||||
Reference in New Issue
Block a user