ASN1_GENERALIZEDTIME *
ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out)
{
ASN1_GENERALIZEDTIME *tmp = NULL;
struct tm tm;
char *str;
if (t->type != V_ASN1_GENERALIZEDTIME && t->type != V_ASN1_UTCTIME)
return (NULL);
memset(&tm, 0, sizeof(tm));
if (t->type != asn1_time_parse(t->data, t->length, &tm, t->type))
return (NULL);
if ((str = gentime_string_from_tm(&tm)) == NULL)
return (NULL);
if (out != NULL)
tmp = *out;
if (tmp == NULL && (tmp = ASN1_GENERALIZEDTIME_new()) == NULL) {
free(str);
return (NULL);
}
if (out != NULL)
*out = tmp;
free(tmp->data);
tmp->data = str;
tmp->length = strlen(str);
return (tmp);
}
ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
time_t t, int offset_day,
long offset_sec)
{
char *p;
struct tm *ts;
struct tm data;
size_t len = 20;
ASN1_GENERALIZEDTIME *tmps = NULL;
if (s == NULL)
tmps = ASN1_GENERALIZEDTIME_new();
else
tmps = s;
if (tmps == NULL)
return NULL;
ts = OPENSSL_gmtime(&t, &data);
if (ts == NULL)
goto err;
if (offset_day || offset_sec) {
if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
goto err;
}
p = (char *)tmps->data;
if ((p == NULL) || ((size_t)tmps->length < len)) {
p = OPENSSL_malloc(len);
if (p == NULL) {
ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ, ERR_R_MALLOC_FAILURE);
goto err;
}
OPENSSL_free(tmps->data);
tmps->data = (unsigned char *)p;
}
BIO_snprintf(p, len, "%04d%02d%02d%02d%02d%02dZ", ts->tm_year + 1900,
ts->tm_mon + 1, ts->tm_mday, ts->tm_hour, ts->tm_min,
ts->tm_sec);
tmps->length = strlen(p);
tmps->type = V_ASN1_GENERALIZEDTIME;
#ifdef CHARSET_EBCDIC_not
ebcdic2ascii(tmps->data, tmps->data, tmps->length);
#endif
return tmps;
err:
if (s == NULL)
ASN1_GENERALIZEDTIME_free(tmps);
return NULL;
}
/* Convert an ASN1_TIME structure to GeneralizedTime */
ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(const ASN1_TIME *t,
ASN1_GENERALIZEDTIME **out)
{
ASN1_GENERALIZEDTIME *ret = NULL;
char *str;
int newlen;
if (!ASN1_TIME_check(t))
return NULL;
if (out == NULL || *out == NULL) {
if ((ret = ASN1_GENERALIZEDTIME_new()) == NULL)
goto err;
} else
ret = *out;
/* If already GeneralizedTime just copy across */
if (t->type == V_ASN1_GENERALIZEDTIME) {
if (!ASN1_STRING_set(ret, t->data, t->length))
goto err;
goto done;
}
/* grow the string */
if (!ASN1_STRING_set(ret, NULL, t->length + 2))
goto err;
/* ASN1_STRING_set() allocated 'len + 1' bytes. */
newlen = t->length + 2 + 1;
str = (char *)ret->data;
/* Work out the century and prepend */
if (t->data[0] >= '5')
OPENSSL_strlcpy(str, "19", newlen);
else
OPENSSL_strlcpy(str, "20", newlen);
OPENSSL_strlcat(str, (const char *)t->data, newlen);
done:
if (out != NULL && *out == NULL)
*out = ret;
return ret;
err:
if (out == NULL || *out != ret)
ASN1_GENERALIZEDTIME_free(ret);
return NULL;
}
static void timestamp_print(BIO *out, uint64_t timestamp)
{
ASN1_GENERALIZEDTIME *gen;
char genstr[20];
gen = ASN1_GENERALIZEDTIME_new();
ASN1_GENERALIZEDTIME_adj(gen, (time_t)0,
(int)(timestamp / 86400000),
(timestamp % 86400000) / 1000);
/*
* Note GeneralizedTime from ASN1_GENERALIZETIME_adj is always 15
* characters long with a final Z. Update it with fractional seconds.
*/
BIO_snprintf(genstr, sizeof(genstr), "%.14s.%03dZ",
ASN1_STRING_data(gen), (unsigned int)(timestamp % 1000));
ASN1_GENERALIZEDTIME_set_string(gen, genstr);
ASN1_GENERALIZEDTIME_print(out, gen);
ASN1_GENERALIZEDTIME_free(gen);
}
ASN1_GENERALIZEDTIME *
ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out)
{
ASN1_GENERALIZEDTIME *tmp = NULL, *ret;
if (!out || !*out) {
if (!(tmp = ASN1_GENERALIZEDTIME_new()))
return NULL;
if (out != NULL)
*out = tmp;
else
out = &tmp;
}
ret = ASN1_TIME_to_generalizedtime_internal(t, out);
if (ret == NULL && tmp != NULL)
ASN1_GENERALIZEDTIME_free(tmp);
return ret;
}
/* Convert an ASN1_TIME structure to GeneralizedTime */
ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t,
ASN1_GENERALIZEDTIME **out)
{
ASN1_GENERALIZEDTIME *ret;
char *str;
int newlen;
if (!ASN1_TIME_check(t))
return NULL;
if (!out || !*out) {
if (!(ret = ASN1_GENERALIZEDTIME_new()))
return NULL;
if (out)
*out = ret;
} else
ret = *out;
/* If already GeneralizedTime just copy across */
if (t->type == V_ASN1_GENERALIZEDTIME) {
if (!ASN1_STRING_set(ret, t->data, t->length))
return NULL;
return ret;
}
/* grow the string */
if (!ASN1_STRING_set(ret, NULL, t->length + 2))
return NULL;
/* ASN1_STRING_set() allocated 'len + 1' bytes. */
newlen = t->length + 2 + 1;
str = (char *)ret->data;
/* Work out the century and prepend */
if (t->data[0] >= '5')
BUF_strlcpy(str, "19", newlen);
else
BUF_strlcpy(str, "20", newlen);
BUF_strlcat(str, (char *)t->data, newlen);
return ret;
}
ASN1_TIME* DateTime::getGeneralizedTime() const throw(BigIntegerException)
{
ASN1_TIME *ret;
DateVal date;
stringstream stream;
string gt;
date = DateTime::getDate(this->seconds);
stream.setf(ios_base::right);
stream.fill('0');
stream.width(4); //no maximo 4 digitos para ano
stream << date.year;
stream.width(2);
stream << (date.mon + 1);
stream.width(2);
stream << date.dayOfMonth;
stream.width(2);
stream << date.hour;
stream.width(2);
stream << date.min;
stream.width(2);
stream << date.sec;
stream.width(1);
stream << "Z";
gt = stream.str();
ret = ASN1_GENERALIZEDTIME_new();
//pode retornar 1 no caso de falha de alocacao de memoria
ASN1_STRING_set(ret, gt.c_str(), gt.size());
return ret;
}