161 lines
4.7 KiB
C
161 lines
4.7 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Time Zone Redirection
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*
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* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <winpr/crt.h>
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#include <winpr/timezone.h>
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#include "timezone.h"
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static void rdp_read_system_time(wStream* s, SYSTEMTIME* system_time);
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static void rdp_write_system_time(wStream* s, SYSTEMTIME* system_time);
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/**
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* Read SYSTEM_TIME structure (TS_SYSTEMTIME).\n
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* @msdn{cc240478}
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* @param s stream
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* @param system_time system time structure
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*/
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void rdp_read_system_time(wStream* s, SYSTEMTIME* system_time)
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{
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Stream_Read_UINT16(s, system_time->wYear); /* wYear, must be set to 0 */
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Stream_Read_UINT16(s, system_time->wMonth); /* wMonth */
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Stream_Read_UINT16(s, system_time->wDayOfWeek); /* wDayOfWeek */
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Stream_Read_UINT16(s, system_time->wDay); /* wDay */
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Stream_Read_UINT16(s, system_time->wHour); /* wHour */
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Stream_Read_UINT16(s, system_time->wMinute); /* wMinute */
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Stream_Read_UINT16(s, system_time->wSecond); /* wSecond */
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Stream_Read_UINT16(s, system_time->wMilliseconds); /* wMilliseconds */
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}
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/**
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* Write SYSTEM_TIME structure (TS_SYSTEMTIME).\n
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* @msdn{cc240478}
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* @param s stream
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* @param system_time system time structure
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*/
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void rdp_write_system_time(wStream* s, SYSTEMTIME* system_time)
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{
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Stream_Write_UINT16(s, system_time->wYear); /* wYear, must be set to 0 */
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Stream_Write_UINT16(s, system_time->wMonth); /* wMonth */
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Stream_Write_UINT16(s, system_time->wDayOfWeek); /* wDayOfWeek */
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Stream_Write_UINT16(s, system_time->wDay); /* wDay */
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Stream_Write_UINT16(s, system_time->wHour); /* wHour */
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Stream_Write_UINT16(s, system_time->wMinute); /* wMinute */
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Stream_Write_UINT16(s, system_time->wSecond); /* wSecond */
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Stream_Write_UINT16(s, system_time->wMilliseconds); /* wMilliseconds */
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DEBUG_TIMEZONE("Time: y=%d,m=%d,dow=%d,d=%d, %02d:%02d:%02d.%03d",
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system_time->wYear, system_time->wMonth, system_time->wDayOfWeek,
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system_time->wDay, system_time->wHour, system_time->wMinute,
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system_time->wSecond, system_time->wMilliseconds);
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}
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/**
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* Read client time zone information (TS_TIME_ZONE_INFORMATION).\n
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* @msdn{cc240477}
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* @param s stream
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* @param settings settings
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*/
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BOOL rdp_read_client_time_zone(wStream* s, rdpSettings* settings)
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{
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LPTIME_ZONE_INFORMATION tz;
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if (!s || !settings)
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return FALSE;
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if (Stream_GetRemainingLength(s) < 172)
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return FALSE;
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tz = settings->ClientTimeZone;
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if (!tz)
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return FALSE;
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Stream_Read_UINT32(s, tz->Bias); /* Bias */
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/* standardName (64 bytes) */
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Stream_Read(s, tz->StandardName, sizeof(tz->StandardName));
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rdp_read_system_time(s, &tz->StandardDate); /* StandardDate */
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Stream_Read_UINT32(s, tz->StandardBias); /* StandardBias */
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/* daylightName (64 bytes) */
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Stream_Read(s, tz->DaylightName, sizeof(tz->DaylightName));
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rdp_read_system_time(s, &tz->DaylightDate); /* DaylightDate */
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Stream_Read_UINT32(s, tz->DaylightBias); /* DaylightBias */
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return TRUE;
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}
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/**
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* Write client time zone information (TS_TIME_ZONE_INFORMATION).\n
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* @msdn{cc240477}
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* @param s stream
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* @param settings settings
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*/
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BOOL rdp_write_client_time_zone(wStream* s, rdpSettings* settings)
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{
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LPTIME_ZONE_INFORMATION tz;
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DWORD rc;
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tz = settings->ClientTimeZone;
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if (!tz)
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return FALSE;
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rc = GetTimeZoneInformation(tz);
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/* Bias */
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Stream_Write_UINT32(s, tz->Bias);
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/* standardName (64 bytes) */
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Stream_Write(s, tz->StandardName, sizeof(tz->StandardName));
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/* StandardDate */
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rdp_write_system_time(s, &tz->StandardDate);
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DEBUG_TIMEZONE("bias=%d stdName='%s' dlName='%s'", tz->Bias,
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tz->StandardName, tz->DaylightName);
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/* Note that StandardBias is ignored if no valid standardDate is provided. */
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/* StandardBias */
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Stream_Write_UINT32(s, tz->StandardBias);
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DEBUG_TIMEZONE("StandardBias=%d", tz->StandardBias);
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/* daylightName (64 bytes) */
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Stream_Write(s, tz->DaylightName, sizeof(tz->DaylightName));
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/* DaylightDate */
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rdp_write_system_time(s, &tz->DaylightDate);
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/* Note that DaylightBias is ignored if no valid daylightDate is provided. */
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/* DaylightBias */
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Stream_Write_UINT32(s, tz->DaylightBias);
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DEBUG_TIMEZONE("DaylightBias=%d", tz->DaylightBias);
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return TRUE;
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}
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