ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
int offset_day, long offset_sec)
{
char *p;
struct tm *ts;
struct tm data;
size_t len = 20;
int free_s = 0;
if (s == NULL)
{
free_s = 1;
s=M_ASN1_UTCTIME_new();
}
if (s == NULL)
goto err;
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;
}
if((ts->tm_year < 50) || (ts->tm_year >= 150))
goto err;
p=(char *)s->data;
if ((p == NULL) || ((size_t)s->length < len))
{
p=OPENSSL_malloc(len);
if (p == NULL)
{
ASN1err(ASN1_F_ASN1_UTCTIME_ADJ,ERR_R_MALLOC_FAILURE);
goto err;
}
if (s->data != NULL)
OPENSSL_free(s->data);
s->data=(unsigned char *)p;
}
BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
s->length=strlen(p);
s->type=V_ASN1_UTCTIME;
#ifdef CHARSET_EBCDIC_not
ebcdic2ascii(s->data, s->data, s->length);
#endif
return(s);
err:
if (free_s && s)
M_ASN1_UTCTIME_free(s);
return NULL;
}
ASN1_TIME* DateTime::getUTCTime() const throw(BigIntegerException)
{
ASN1_TIME *ret;
DateVal date;
stringstream stream;
string tmp;
string utc;
date = DateTime::getDate(this->seconds);
stream.setf(ios_base::right);
stream.fill('0');
stream.width(2); //define um tamanho minimo de 2 chars
stream << date.year;
stream >> tmp;
//pega apenas os dois numeros mais a direita
if(tmp.size() > 2)
{
tmp = tmp.substr(tmp.size() - 2);
}
stream.clear();
stream.str("");
stream << tmp;
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";
utc = stream.str();
ret = M_ASN1_UTCTIME_new();
//pode retornar 1 no caso de falha de alocacao de memoria
ASN1_STRING_set(ret, utc.c_str(), utc.size());
return ret;
}
ASN1_UTCTIME *
ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t, int offset_day, long offset_sec)
{
ASN1_UTCTIME *tmp = NULL, *ret;
if (s == NULL) {
tmp = M_ASN1_UTCTIME_new();
if (tmp == NULL)
return NULL;
s = tmp;
}
ret = ASN1_UTCTIME_adj_internal(s, t, offset_day, offset_sec);
if (ret == NULL && tmp != NULL)
M_ASN1_UTCTIME_free(tmp);
return ret;
}
ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
{
char *p;
struct tm *ts;
struct tm data;
size_t len = 20;
if (s == NULL)
s=M_ASN1_UTCTIME_new();
if (s == NULL)
return(NULL);
ts=OPENSSL_gmtime(&t, &data);
if (ts == NULL)
return(NULL);
p=(char *)s->data;
if ((p == NULL) || ((size_t)s->length < len))
{
p=OPENSSL_malloc(len);
if (p == NULL)
{
ASN1err(ASN1_F_ASN1_UTCTIME_SET,ERR_R_MALLOC_FAILURE);
return(NULL);
}
if (s->data != NULL)
OPENSSL_free(s->data);
s->data=(unsigned char *)p;
}
BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
s->length=strlen(p);
s->type=V_ASN1_UTCTIME;
#ifdef CHARSET_EBCDIC_not
ebcdic2ascii(s->data, s->data, s->length);
#endif
return(s);
}
