FreeRDP/libfreerdp-core/timezone.c
2012-02-19 21:08:12 -05:00

150 lines
4.7 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* 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.
*/
#include "timezone.h"
/**
* Read SYSTEM_TIME structure (TS_SYSTEMTIME).\n
* @msdn{cc240478}
* @param s stream
* @param system_time system time structure
*/
void rdp_read_system_time(STREAM* s, SYSTEM_TIME* 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(STREAM* s, SYSTEM_TIME* 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 */
}
/**
* Read client time zone information (TS_TIME_ZONE_INFORMATION).\n
* @msdn{cc240477}
* @param s stream
* @param settings settings
*/
boolean rdp_read_client_time_zone(STREAM* s, rdpSettings* settings)
{
char* str;
TIME_ZONE_INFO* clientTimeZone;
if (stream_get_left(s) < 172)
return false;
clientTimeZone = settings->client_time_zone;
stream_read_uint32(s, clientTimeZone->bias); /* Bias */
/* standardName (64 bytes) */
str = freerdp_uniconv_in(settings->uniconv, stream_get_tail(s), 64);
stream_seek(s, 64);
strncpy(clientTimeZone->standardName, str, sizeof(clientTimeZone->standardName));
xfree(str);
rdp_read_system_time(s, &clientTimeZone->standardDate); /* StandardDate */
stream_read_uint32(s, clientTimeZone->standardBias); /* StandardBias */
/* daylightName (64 bytes) */
str = freerdp_uniconv_in(settings->uniconv, stream_get_tail(s), 64);
stream_seek(s, 64);
strncpy(clientTimeZone->daylightName, str, sizeof(clientTimeZone->daylightName));
xfree(str);
rdp_read_system_time(s, &clientTimeZone->daylightDate); /* DaylightDate */
stream_read_uint32(s, clientTimeZone->daylightBias); /* DaylightBias */
return true;
}
/**
* Write client time zone information (TS_TIME_ZONE_INFORMATION).\n
* @msdn{cc240477}
* @param s stream
* @param settings settings
*/
void rdp_write_client_time_zone(STREAM* s, rdpSettings* settings)
{
size_t length;
uint8* standardName;
uint8* daylightName;
size_t standardNameLength;
size_t daylightNameLength;
TIME_ZONE_INFO* clientTimeZone;
clientTimeZone = settings->client_time_zone;
freerdp_time_zone_detect(clientTimeZone);
standardName = (uint8*) freerdp_uniconv_out(settings->uniconv, clientTimeZone->standardName, &length);
standardNameLength = length;
daylightName = (uint8*) freerdp_uniconv_out(settings->uniconv, clientTimeZone->daylightName, &length);
daylightNameLength = length;
if (standardNameLength > 62)
standardNameLength = 62;
if (daylightNameLength > 62)
daylightNameLength = 62;
stream_write_uint32(s, clientTimeZone->bias); /* Bias */
/* standardName (64 bytes) */
stream_write(s, standardName, standardNameLength);
stream_write_zero(s, 64 - standardNameLength);
rdp_write_system_time(s, &clientTimeZone->standardDate); /* StandardDate */
stream_write_uint32(s, clientTimeZone->standardBias); /* StandardBias */
/* daylightName (64 bytes) */
stream_write(s, daylightName, daylightNameLength);
stream_write_zero(s, 64 - daylightNameLength);
rdp_write_system_time(s, &clientTimeZone->daylightDate); /* DaylightDate */
stream_write_uint32(s, clientTimeZone->daylightBias); /* DaylightBias */
xfree(standardName);
xfree(daylightName);
}