const ASN1_EXTERN_FUNCS *ef;
const ASN1_AUX *aux = it->funcs;
ASN1_aux_cb *asn1_cb;
- const unsigned char *p, *q;
+ const unsigned char *p = NULL, *q;
unsigned char *wp=NULL; /* BIG FAT WARNING! BREAKS CONST WHERE USED */
unsigned char imphack = 0, oclass;
char seq_eoc, seq_nolen, cst, isopt;
{
wp = *(unsigned char **)in;
imphack = *wp;
+ if (p == NULL)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
+ goto err;
+ }
*wp = (unsigned char)((*p & V_ASN1_CONSTRUCTED)
| it->utype);
}
if (!*pval)
{
typ = ASN1_TYPE_new();
+ if (typ == NULL)
+ goto err;
*pval = (ASN1_VALUE *)typ;
}
else
return 0;
#endif
}
- else if (!collect_data(buf, &p, plen))
+ else if (plen && !collect_data(buf, &p, plen))
return 0;
len -= p - q;
}