ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
time_t t, int offset_day, long offset_sec)
{
ASN1_GENERALIZEDTIME *alloced = NULL;
char *p;
struct tm *ts;
struct tm data;
size_t len = 20;
if (s == NULL)
alloced = s=M_ASN1_GENERALIZEDTIME_new();
if (s == NULL)
return(NULL);
ts=OPENSSL_gmtime(&t, &data);
if (ts == NULL)
{
if(alloced)
M_ASN1_GENERALIZEDTIME_free(alloced);
return(NULL);
}
if (offset_day || offset_sec)
{
if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
{
if(alloced)
M_ASN1_GENERALIZEDTIME_free(alloced);
return NULL;
}
}
p=(char *)s->data;
if ((p == NULL) || ((size_t)s->length < len))
{
p= (char *) OPENSSL_malloc(len);
if (p == NULL)
{
if(alloced)
M_ASN1_GENERALIZEDTIME_free(alloced);
ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ,
ERR_R_MALLOC_FAILURE);
return(NULL);
}
if (s->data != NULL)
OPENSSL_free(s->data);
s->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);
s->length=op_strlen(p);
s->type=V_ASN1_GENERALIZEDTIME;
#ifdef CHARSET_EBCDIC_not
ebcdic2ascii(s->data, s->data, s->length);
#endif
return(s);
}
ASN1_GENERALIZEDTIME *d2i_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME **a,
unsigned char **pp, long length)
{
ASN1_GENERALIZEDTIME *ret=NULL;
ret=(ASN1_GENERALIZEDTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length,
V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL);
if (ret == NULL)
{
ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ERR_R_NESTED_ASN1_ERROR);
return(NULL);
}
#ifdef CHARSET_EBCDIC
ascii2ebcdic(ret->data, ret->data, ret->length);
#endif
if (!ASN1_GENERALIZEDTIME_check(ret))
{
ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ASN1_R_INVALID_TIME_FORMAT);
goto err;
}
return(ret);
err:
if ((ret != NULL) && ((a == NULL) || (*a != ret)))
M_ASN1_GENERALIZEDTIME_free(ret);
return(NULL);
}
ASN1_GENERALIZEDTIME *
ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s, time_t t, int offset_day,
long offset_sec)
{
ASN1_GENERALIZEDTIME *tmp = NULL, *ret;
if (s == NULL) {
tmp = M_ASN1_GENERALIZEDTIME_new();
if (tmp == NULL)
return NULL;
s = tmp;
}
ret = ASN1_GENERALIZEDTIME_adj_internal(s, t, offset_day, offset_sec);
if (ret == NULL && tmp != NULL)
M_ASN1_GENERALIZEDTIME_free(tmp);
return ret;
}
/* Convert an ASN1_TIME structure to GeneralizedTime */
static ASN1_GENERALIZEDTIME *
ASN1_TIME_to_generalizedtime_internal(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out)
{
ASN1_GENERALIZEDTIME *ret;
char *str;
int newlen;
int i;
if (!ASN1_TIME_check(t))
return NULL;
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;
/* XXX ASN1_TIME is not Y2050 compatible */
i = snprintf(str, newlen, "%s%s", (t->data[0] >= '5') ? "19" : "20",
(char *) t->data);
if (i == -1 || i >= newlen) {
M_ASN1_GENERALIZEDTIME_free(ret);
*out = NULL;
return NULL;
}
return ret;
}
