/* gmttime must contains UTC time in micro-seconds unit */
SECStatus
DER_TimeToUTCTimeArena(PLArenaPool* arenaOpt, SECItem *dst, PRTime gmttime)
{
PRExplodedTime printableTime;
unsigned char *d;
if ( (gmttime < January1st1950) || (gmttime >= January1st2050) ) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
dst->len = 13;
if (arenaOpt) {
dst->data = d = (unsigned char*) PORT_ArenaAlloc(arenaOpt, dst->len);
} else {
dst->data = d = (unsigned char*) PORT_Alloc(dst->len);
}
dst->type = siUTCTime;
if (!d) {
return SECFailure;
}
/* Convert a PRTime to a printable format. */
PR_ExplodeTime(gmttime, PR_GMTParameters, &printableTime);
/* The month in UTC time is base one */
printableTime.tm_month++;
/* remove the century since it's added to the tm_year by the
PR_ExplodeTime routine, but is not needed for UTC time */
printableTime.tm_year %= 100;
d[0] = HIDIGIT(printableTime.tm_year);
d[1] = LODIGIT(printableTime.tm_year);
d[2] = HIDIGIT(printableTime.tm_month);
d[3] = LODIGIT(printableTime.tm_month);
d[4] = HIDIGIT(printableTime.tm_mday);
d[5] = LODIGIT(printableTime.tm_mday);
d[6] = HIDIGIT(printableTime.tm_hour);
d[7] = LODIGIT(printableTime.tm_hour);
d[8] = HIDIGIT(printableTime.tm_min);
d[9] = LODIGIT(printableTime.tm_min);
d[10] = HIDIGIT(printableTime.tm_sec);
d[11] = LODIGIT(printableTime.tm_sec);
d[12] = 'Z';
return SECSuccess;
}
static OSStatus
DER_CFDateToUTCTime(CFAbsoluteTime date, CSSM_DATA_PTR utcTime)
{
CFGregorianDate gdate = CFAbsoluteTimeGetGregorianDate(date, NULL /* GMT */);
unsigned char *d;
SInt8 second;
utcTime->Length = 13;
utcTime->Data = d = PORT_Alloc(13);
if (!utcTime->Data)
return SECFailure;
/* UTC time does not handle the years before 1950 */
if (gdate.year < 1950)
return SECFailure;
/* remove the century since it's added to the year by the
CFAbsoluteTimeGetGregorianDate routine, but is not needed for UTC time */
gdate.year %= 100;
second = gdate.second + 0.5;
d[0] = HIDIGIT(gdate.year);
d[1] = LODIGIT(gdate.year);
d[2] = HIDIGIT(gdate.month);
d[3] = LODIGIT(gdate.month);
d[4] = HIDIGIT(gdate.day);
d[5] = LODIGIT(gdate.day);
d[6] = HIDIGIT(gdate.hour);
d[7] = LODIGIT(gdate.hour);
d[8] = HIDIGIT(gdate.minute);
d[9] = LODIGIT(gdate.minute);
d[10] = HIDIGIT(second);
d[11] = LODIGIT(second);
d[12] = 'Z';
return SECSuccess;
}
