BOOL rdp_write_client_time_zone(wStream* s, rdpSettings* settings) { LPTIME_ZONE_INFORMATION tz; DWORD rc; tz = settings->ClientTimeZone; if (!tz) return FALSE; rc = 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); DEBUG_TIMEZONE("bias=%d stdName='%s' dlName='%s'", tz->Bias, tz->StandardName, tz->DaylightName); /* Note that StandardBias is ignored if no valid standardDate is provided. */ /* StandardBias */ Stream_Write_UINT32(s, tz->StandardBias); DEBUG_TIMEZONE("StandardBias=%d", 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=%d", tz->DaylightBias); return TRUE; }
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 */ DEBUG_TIMEZONE("Time: y=%d,m=%d,dow=%d,d=%d, %02d:%02d:%02d.%03d", system_time->wYear, system_time->wMonth, system_time->wDayOfWeek, system_time->wDay, system_time->wHour, system_time->wMinute, system_time->wSecond, system_time->wMilliseconds); }
void rdp_write_client_time_zone(STREAM* s, rdpSettings* settings) { UINT32 bias; INT32 sbias; UINT32 bias2c; WCHAR* standardName; WCHAR* daylightName; int standardNameLength; int daylightNameLength; TIME_ZONE_INFO* clientTimeZone; clientTimeZone = settings->ClientTimeZone; freerdp_time_zone_detect(clientTimeZone); standardNameLength = ConvertToUnicode(CP_UTF8, 0, clientTimeZone->standardName, -1, &standardName, 0) * 2; daylightNameLength = ConvertToUnicode(CP_UTF8, 0, clientTimeZone->daylightName, -1, &daylightName, 0) * 2; if (standardNameLength > 62) standardNameLength = 62; if (daylightNameLength > 62) daylightNameLength = 62; /* UTC = LocalTime + Bias <-> Bias = UTC - LocalTime */ /* Translate from biases used throughout libfreerdp-locale/timezone.c * to what RDP expects, which is minutes *west* of UTC. * Though MS-RDPBCGR specifies bias as unsigned, two's complement * (a negative integer) works fine for zones east of UTC. */ if (clientTimeZone->bias <= 720) bias = -1 * clientTimeZone->bias; else bias = 1440 - clientTimeZone->bias; stream_write_UINT32(s, bias); /* Bias */ /* standardName (64 bytes) */ stream_write(s, standardName, standardNameLength); stream_write_zero(s, 64 - standardNameLength); rdp_write_system_time(s, &clientTimeZone->standardDate); /* StandardDate */ DEBUG_TIMEZONE("bias=%d stdName='%s' dlName='%s'", bias, clientTimeZone->standardName, clientTimeZone->daylightName); sbias = clientTimeZone->standardBias - clientTimeZone->bias; if (sbias < 0) bias2c = (UINT32) sbias; else bias2c = ~((UINT32) sbias) + 1; /* Note that StandardBias is ignored if no valid standardDate is provided. */ stream_write_UINT32(s, bias2c); /* StandardBias */ DEBUG_TIMEZONE("StandardBias=%d", bias2c); /* daylightName (64 bytes) */ stream_write(s, daylightName, daylightNameLength); stream_write_zero(s, 64 - daylightNameLength); rdp_write_system_time(s, &clientTimeZone->daylightDate); /* DaylightDate */ sbias = clientTimeZone->daylightBias - clientTimeZone->bias; if (sbias < 0) bias2c = (UINT32) sbias; else bias2c = ~((UINT32) sbias) + 1; /* Note that DaylightBias is ignored if no valid daylightDate is provided. */ stream_write_UINT32(s, bias2c); /* DaylightBias */ DEBUG_TIMEZONE("DaylightBias=%d", bias2c); free(standardName); free(daylightName); }