static int get_days_remaining(ASN1_UTCTIME *tm)
{
apr_time_t then, now = apr_time_now();
apr_time_exp_t exp = {0};
int diff;
/* Fail if the time isn't a valid ASN.1 UTCTIME; RFC3280 mandates
* that the seconds digits are present even though ASN.1
* doesn't. */
if (tm->length < 11 || !ASN1_UTCTIME_check(tm))
return 0;
exp.tm_year = DIGIT2NUM(tm->data);
exp.tm_mon = DIGIT2NUM(tm->data + 2) - 1;
exp.tm_mday = DIGIT2NUM(tm->data + 4) + 1;
exp.tm_hour = DIGIT2NUM(tm->data + 6);
exp.tm_min = DIGIT2NUM(tm->data + 8);
exp.tm_sec = DIGIT2NUM(tm->data + 10);
if (exp.tm_year <= 50)
exp.tm_year += 100;
if (apr_time_exp_gmt_get(&then, &exp) != APR_SUCCESS)
return 0;
diff = (int)((apr_time_sec(then) - apr_time_sec(now)) / (60*60*24));
return diff > 0 ? diff : 0;
}
int64_t sln_asn1_time_to_timestamp(ASN1_UTCTIME *tm) {
int64_t rv = 0;
/* Converts a ASN1_UTCTIME to an int64_t of seconds since 1970. Returns 0 on
* failure. */
time_exp_t exp = {0};
/* Fail if the time isn't a valid ASN.1 UTCTIME; RFC3280 mandates
* that the seconds digits are present even though ASN.1
* doesn't. */
if (tm->length < 11 || !ASN1_UTCTIME_check(tm)) {
return 0;
}
exp.tm_year = DIGIT2NUM(tm->data);
exp.tm_mon = DIGIT2NUM(tm->data + 2) - 1;
exp.tm_mday = DIGIT2NUM(tm->data + 4) + 1;
exp.tm_hour = DIGIT2NUM(tm->data + 6);
exp.tm_min = DIGIT2NUM(tm->data + 8);
exp.tm_sec = DIGIT2NUM(tm->data + 10);
if (exp.tm_year <= 50) {
exp.tm_year += 100;
}
time_exp_gmt_get(&rv, &exp);
return rv;
}
