/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Time Zone Redirection
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/crt.h>
#include <winpr/timezone.h>
#include "timezone.h"
static void rdp_read_system_time(wStream* s, SYSTEMTIME* system_time);
static void rdp_write_system_time(wStream* s, SYSTEMTIME* system_time);
/**
* Read SYSTEM_TIME structure (TS_SYSTEMTIME).\n
* @msdn{cc240478}
* @param s stream
* @param system_time system time structure
*/
void rdp_read_system_time(wStream* s, SYSTEMTIME* system_time)
{
Stream_Read_UINT16(s, system_time->wYear); /* wYear, must be set to 0 */
Stream_Read_UINT16(s, system_time->wMonth); /* wMonth */
Stream_Read_UINT16(s, system_time->wDayOfWeek); /* wDayOfWeek */
Stream_Read_UINT16(s, system_time->wDay); /* wDay */
Stream_Read_UINT16(s, system_time->wHour); /* wHour */
Stream_Read_UINT16(s, system_time->wMinute); /* wMinute */
Stream_Read_UINT16(s, system_time->wSecond); /* wSecond */
Stream_Read_UINT16(s, system_time->wMilliseconds); /* wMilliseconds */
}
/**
* Write SYSTEM_TIME structure (TS_SYSTEMTIME).\n
* @msdn{cc240478}
* @param s stream
* @param system_time system time structure
*/
void rdp_write_system_time(wStream* s, SYSTEMTIME* system_time)
{
Stream_Write_UINT16(s, system_time->wYear); /* wYear, must be set to 0 */
Stream_Write_UINT16(s, system_time->wMonth); /* wMonth */
Stream_Write_UINT16(s, system_time->wDayOfWeek); /* wDayOfWeek */
Stream_Write_UINT16(s, system_time->wDay); /* wDay */
Stream_Write_UINT16(s, system_time->wHour); /* wHour */
Stream_Write_UINT16(s, system_time->wMinute); /* wMinute */
Stream_Write_UINT16(s, system_time->wSecond); /* wSecond */
Stream_Write_UINT16(s, system_time->wMilliseconds); /* wMilliseconds */
DEBUG_TIMEZONE("Time: y=%" PRIu16 ",m=%" PRIu16 ",dow=%" PRIu16 ",d=%" PRIu16 ", %02" PRIu16
":%02" PRIu16 ":%02" PRIu16 ".%03" PRIu16 "",
system_time->wYear, system_time->wMonth, system_time->wDayOfWeek,
system_time->wDay, system_time->wHour, system_time->wMinute,
system_time->wSecond, system_time->wMilliseconds);
}
/**
* Read client time zone information (TS_TIME_ZONE_INFORMATION).\n
* @msdn{cc240477}
* @param s stream
* @param settings settings
*/
BOOL rdp_read_client_time_zone(wStream* s, rdpSettings* settings)
{
LPTIME_ZONE_INFORMATION tz;
if (!s || !settings)
return FALSE;
if (Stream_GetRemainingLength(s) < 172)
return FALSE;
tz = settings->ClientTimeZone;
if (!tz)
return FALSE;
Stream_Read_UINT32(s, tz->Bias); /* Bias */
/* standardName (64 bytes) */
Stream_Read(s, tz->StandardName, sizeof(tz->StandardName));
rdp_read_system_time(s, &tz->StandardDate); /* StandardDate */
Stream_Read_UINT32(s, tz->StandardBias); /* StandardBias */
/* daylightName (64 bytes) */
Stream_Read(s, tz->DaylightName, sizeof(tz->DaylightName));
rdp_read_system_time(s, &tz->DaylightDate); /* DaylightDate */
Stream_Read_UINT32(s, tz->DaylightBias); /* DaylightBias */
return TRUE;
}
/**
* Write client time zone information (TS_TIME_ZONE_INFORMATION).\n
* @msdn{cc240477}
* @param s stream
* @param settings settings
*/
BOOL rdp_write_client_time_zone(wStream* s, rdpSettings* settings)
{
LPTIME_ZONE_INFORMATION tz;
tz = settings->ClientTimeZone;
if (!tz)
return FALSE;
GetTimeZoneInformation(tz);
/* Bias */
Stream_Write_UINT32(s, tz->Bias);
/* standardName (64 bytes) */
Stream_Write(s, tz->StandardName, sizeof(tz->StandardName));
/* StandardDate */
rdp_write_system_time(s, &tz->StandardDate);
#ifdef WITH_DEBUG_TIMEZONE
WLog_DBG(TIMEZONE_TAG, "bias=%" PRId32 "", tz->Bias);
WLog_DBG(TIMEZONE_TAG, "StandardName:");
winpr_HexDump(TIMEZONE_TAG, WLOG_DEBUG, (const BYTE*)tz->StandardName,
sizeof(tz->StandardName));
WLog_DBG(TIMEZONE_TAG, "DaylightName:");
winpr_HexDump(TIMEZONE_TAG, WLOG_DEBUG, (const BYTE*)tz->DaylightName,
sizeof(tz->DaylightName));
#endif
/* Note that StandardBias is ignored if no valid standardDate is provided. */
/* StandardBias */
Stream_Write_UINT32(s, tz->StandardBias);
DEBUG_TIMEZONE("StandardBias=%" PRId32 "", tz->StandardBias);
/* daylightName (64 bytes) */
Stream_Write(s, tz->DaylightName, sizeof(tz->DaylightName));
/* DaylightDate */
rdp_write_system_time(s, &tz->DaylightDate);
/* Note that DaylightBias is ignored if no valid daylightDate is provided. */
/* DaylightBias */
Stream_Write_UINT32(s, tz->DaylightBias);
DEBUG_TIMEZONE("DaylightBias=%" PRId32 "", tz->DaylightBias);
return TRUE;
}