/* tasn_fre.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2000.
*/
/* ====================================================================
/* Free up an ASN1 structure */
void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it)
-{
+ {
asn1_item_combine_free(&val, it, 0);
-}
+ }
void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
-{
+ {
asn1_item_combine_free(pval, it, 0);
-}
+ }
static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine)
-{
+ {
const ASN1_TEMPLATE *tt = NULL, *seqtt;
const ASN1_EXTERN_FUNCS *ef;
const ASN1_COMPAT_FUNCS *cf;
const ASN1_AUX *aux = it->funcs;
ASN1_aux_cb *asn1_cb;
int i;
- if(!pval) return;
- if((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval) return;
- if(aux && aux->asn1_cb) asn1_cb = aux->asn1_cb;
- else asn1_cb = 0;
+ if (!pval)
+ return;
+ if ((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval)
+ return;
+ if (aux && aux->asn1_cb)
+ asn1_cb = aux->asn1_cb;
+ else
+ asn1_cb = 0;
- switch(it->itype) {
+ switch(it->itype)
+ {
case ASN1_ITYPE_PRIMITIVE:
- if(it->templates) ASN1_template_free(pval, it->templates);
- else ASN1_primitive_free(pval, it);
+ if (it->templates)
+ ASN1_template_free(pval, it->templates);
+ else
+ ASN1_primitive_free(pval, it);
break;
case ASN1_ITYPE_MSTRING:
break;
case ASN1_ITYPE_CHOICE:
- if(asn1_cb) {
- i = asn1_cb(ASN1_OP_FREE_PRE, pval, it);
- if(i == 2) return;
- }
+ if (asn1_cb)
+ {
+ i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL);
+ if (i == 2)
+ return;
+ }
i = asn1_get_choice_selector(pval, it);
- if(asn1_cb) asn1_cb(ASN1_OP_FREE_PRE, pval, it);
- if((i >= 0) && (i < it->tcount)) {
+ if ((i >= 0) && (i < it->tcount))
+ {
ASN1_VALUE **pchval;
tt = it->templates + i;
pchval = asn1_get_field_ptr(pval, tt);
ASN1_template_free(pchval, tt);
- }
- if(asn1_cb) asn1_cb(ASN1_OP_FREE_POST, pval, it);
- if(!combine) {
+ }
+ if (asn1_cb)
+ asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL);
+ if (!combine)
+ {
OPENSSL_free(*pval);
*pval = NULL;
- }
+ }
break;
case ASN1_ITYPE_COMPAT:
cf = it->funcs;
- if(cf && cf->asn1_free) cf->asn1_free(*pval);
+ if (cf && cf->asn1_free)
+ cf->asn1_free(*pval);
break;
case ASN1_ITYPE_EXTERN:
ef = it->funcs;
- if(ef && ef->asn1_ex_free) ef->asn1_ex_free(pval, it);
+ if (ef && ef->asn1_ex_free)
+ ef->asn1_ex_free(pval, it);
break;
+ case ASN1_ITYPE_NDEF_SEQUENCE:
case ASN1_ITYPE_SEQUENCE:
- if(asn1_do_lock(pval, -1, it) > 0) return;
- if(asn1_cb) {
- i = asn1_cb(ASN1_OP_FREE_PRE, pval, it);
- if(i == 2) return;
- }
+ if (asn1_do_lock(pval, -1, it) > 0)
+ return;
+ if (asn1_cb)
+ {
+ i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL);
+ if (i == 2)
+ return;
+ }
asn1_enc_free(pval, it);
/* If we free up as normal we will invalidate any
* ANY DEFINED BY field and we wont be able to
* free up in reverse order.
*/
tt = it->templates + it->tcount - 1;
- for(i = 0; i < it->tcount; tt--, i++) {
+ for (i = 0; i < it->tcount; tt--, i++)
+ {
ASN1_VALUE **pseqval;
seqtt = asn1_do_adb(pval, tt, 0);
- if(!seqtt) continue;
+ if (!seqtt)
+ continue;
pseqval = asn1_get_field_ptr(pval, seqtt);
ASN1_template_free(pseqval, seqtt);
- }
- if(asn1_cb) asn1_cb(ASN1_OP_FREE_POST, pval, it);
- if(!combine) {
+ }
+ if (asn1_cb)
+ asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL);
+ if (!combine)
+ {
OPENSSL_free(*pval);
*pval = NULL;
- }
+ }
break;
+ }
}
-}
void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
-{
+ {
int i;
- if(tt->flags & ASN1_TFLG_SK_MASK) {
+ if (tt->flags & ASN1_TFLG_SK_MASK)
+ {
STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval;
- for(i = 0; i < sk_ASN1_VALUE_num(sk); i++) {
+ for (i = 0; i < sk_ASN1_VALUE_num(sk); i++)
+ {
ASN1_VALUE *vtmp;
vtmp = sk_ASN1_VALUE_value(sk, i);
- asn1_item_combine_free(&vtmp, tt->item, 0);
- }
+ asn1_item_combine_free(&vtmp, ASN1_ITEM_ptr(tt->item),
+ 0);
+ }
sk_ASN1_VALUE_free(sk);
*pval = NULL;
- } else asn1_item_combine_free(pval, tt->item, tt->flags & ASN1_TFLG_COMBINE);
-}
+ }
+ else
+ asn1_item_combine_free(pval, ASN1_ITEM_ptr(tt->item),
+ tt->flags & ASN1_TFLG_COMBINE);
+ }
void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
-{
+ {
int utype;
- if(it) {
+ if (it)
+ {
const ASN1_PRIMITIVE_FUNCS *pf;
pf = it->funcs;
- if(pf && pf->prim_free) {
+ if (pf && pf->prim_free)
+ {
pf->prim_free(pval, it);
return;
+ }
}
- }
/* Special case: if 'it' is NULL free contents of ASN1_TYPE */
- if(!it) {
+ if (!it)
+ {
ASN1_TYPE *typ = (ASN1_TYPE *)*pval;
utype = typ->type;
- pval = (ASN1_VALUE **)&typ->value.ptr;
- if(!*pval) return;
- } else if(it->itype == ASN1_ITYPE_MSTRING) {
+ pval = &typ->value.asn1_value;
+ if (!*pval)
+ return;
+ }
+ else if (it->itype == ASN1_ITYPE_MSTRING)
+ {
utype = -1;
- if(!*pval) return;
- } else {
+ if (!*pval)
+ return;
+ }
+ else
+ {
utype = it->utype;
- if((utype != V_ASN1_BOOLEAN) && !*pval) return;
- }
+ if ((utype != V_ASN1_BOOLEAN) && !*pval)
+ return;
+ }
- switch(utype) {
+ switch(utype)
+ {
case V_ASN1_OBJECT:
ASN1_OBJECT_free((ASN1_OBJECT *)*pval);
break;
case V_ASN1_BOOLEAN:
- *(ASN1_BOOLEAN *)pval = it->size;
+ if (it)
+ *(ASN1_BOOLEAN *)pval = it->size;
+ else
+ *(ASN1_BOOLEAN *)pval = -1;
return;
case V_ASN1_NULL:
ASN1_STRING_free((ASN1_STRING *)*pval);
*pval = NULL;
break;
- }
+ }
*pval = NULL;
-}
+ }
projects / openssl.git / blobdiff