static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it) { const ASN1_EXTERN_FUNCS *ef; switch (it->itype) { case ASN1_ITYPE_EXTERN: ef = it->funcs; if (ef && ef->asn1_ex_clear) ef->asn1_ex_clear(pval, it); else *pval = NULL; break; case ASN1_ITYPE_PRIMITIVE: if (it->templates) asn1_template_clear(pval, it->templates); else asn1_primitive_clear(pval, it); break; case ASN1_ITYPE_MSTRING: asn1_primitive_clear(pval, it); break; case ASN1_ITYPE_COMPAT: case ASN1_ITYPE_CHOICE: case ASN1_ITYPE_SEQUENCE: case ASN1_ITYPE_NDEF_SEQUENCE: *pval = NULL; break; } }
static int asn1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) { const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item); int embed = tt->flags & ASN1_TFLG_EMBED; ASN1_VALUE *tval; int ret; if (embed) { tval = (ASN1_VALUE *)pval; pval = &tval; } if (tt->flags & ASN1_TFLG_OPTIONAL) { asn1_template_clear(pval, tt); return 1; } /* If ANY DEFINED BY nothing to do */ if (tt->flags & ASN1_TFLG_ADB_MASK) { *pval = NULL; return 1; } #ifdef CRYPTO_MDEBUG if (tt->field_name) CRYPTO_push_info(tt->field_name); #endif /* If SET OF or SEQUENCE OF, its a STACK */ if (tt->flags & ASN1_TFLG_SK_MASK) { STACK_OF(ASN1_VALUE) *skval; skval = sk_ASN1_VALUE_new_null(); if (!skval) { ASN1err(ASN1_F_ASN1_TEMPLATE_NEW, ERR_R_MALLOC_FAILURE); ret = 0; goto done; } *pval = (ASN1_VALUE *)skval; ret = 1; goto done; } /* Otherwise pass it back to the item routine */ ret = asn1_item_embed_new(pval, it, embed); done: #ifdef CRYPTO_MDEBUG if (it->sname) CRYPTO_pop_info(); #endif return ret; }
int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) { const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item); int ret; if (tt->flags & ASN1_TFLG_OPTIONAL) { asn1_template_clear(pval, tt); return 1; } /* If ANY DEFINED BY nothing to do */ if (tt->flags & ASN1_TFLG_ADB_MASK) { *pval = NULL; return 1; } #ifdef CRYPTO_MDEBUG if (tt->field_name) CRYPTO_push_info(tt->field_name); #endif /* If SET OF or SEQUENCE OF, its a STACK */ if (tt->flags & ASN1_TFLG_SK_MASK) { STACK_OF(ASN1_VALUE) *skval; skval = sk_ASN1_VALUE_new_null(); if (!skval) { OPENSSL_PUT_ERROR(ASN1, ASN1_template_new, ERR_R_MALLOC_FAILURE); ret = 0; goto done; } *pval = (ASN1_VALUE *)skval; ret = 1; goto done; } /* Otherwise pass it back to the item routine */ ret = asn1_item_ex_combine_new(pval, it, tt->flags & ASN1_TFLG_COMBINE); done: #ifdef CRYPTO_MDEBUG if (it->sname) CRYPTO_pop_info(); #endif return ret; }