mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-08-10 07:53:57 +08:00
update
This commit is contained in:
Zhi Guan
@@ -1,6 +1,7 @@
|
||||
/* tasn_fre.c */
|
||||
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
||||
* project 2000.
|
||||
/*
|
||||
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
|
||||
* 2000.
|
||||
*/
|
||||
/* ====================================================================
|
||||
* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
|
||||
@@ -10,7 +11,7 @@
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
@@ -56,211 +57,193 @@
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
#include <stddef.h>
|
||||
#include <openssl/asn1.h>
|
||||
#include <openssl/asn1t.h>
|
||||
#include <openssl/objects.h>
|
||||
|
||||
static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine);
|
||||
static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it,
|
||||
int combine);
|
||||
|
||||
/* Free up an ASN1 structure */
|
||||
|
||||
void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it)
|
||||
{
|
||||
asn1_item_combine_free(&val, it, 0);
|
||||
}
|
||||
{
|
||||
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);
|
||||
}
|
||||
{
|
||||
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;
|
||||
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;
|
||||
|
||||
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);
|
||||
break;
|
||||
case ASN1_ITYPE_PRIMITIVE:
|
||||
if (it->templates)
|
||||
ASN1_template_free(pval, it->templates);
|
||||
else
|
||||
ASN1_primitive_free(pval, it);
|
||||
break;
|
||||
|
||||
case ASN1_ITYPE_MSTRING:
|
||||
ASN1_primitive_free(pval, it);
|
||||
break;
|
||||
case ASN1_ITYPE_MSTRING:
|
||||
ASN1_primitive_free(pval, it);
|
||||
break;
|
||||
|
||||
case ASN1_ITYPE_CHOICE:
|
||||
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 ((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, NULL);
|
||||
if (!combine)
|
||||
{
|
||||
OPENSSL_free(*pval);
|
||||
*pval = NULL;
|
||||
}
|
||||
break;
|
||||
case ASN1_ITYPE_CHOICE:
|
||||
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 ((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, 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);
|
||||
break;
|
||||
case ASN1_ITYPE_COMPAT:
|
||||
cf = it->funcs;
|
||||
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);
|
||||
break;
|
||||
case ASN1_ITYPE_EXTERN:
|
||||
ef = it->funcs;
|
||||
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, 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
|
||||
* determine the type of the field it defines. So
|
||||
* free up in reverse order.
|
||||
*/
|
||||
tt = it->templates + it->tcount - 1;
|
||||
for (i = 0; i < it->tcount; tt--, i++)
|
||||
{
|
||||
ASN1_VALUE **pseqval;
|
||||
seqtt = asn1_do_adb(pval, tt, 0);
|
||||
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, NULL);
|
||||
if (!combine)
|
||||
{
|
||||
OPENSSL_free(*pval);
|
||||
*pval = NULL;
|
||||
}
|
||||
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, 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 determine the type of the field it
|
||||
* defines. So free up in reverse order.
|
||||
*/
|
||||
tt = it->templates + it->tcount - 1;
|
||||
for (i = 0; i < it->tcount; tt--, i++) {
|
||||
ASN1_VALUE **pseqval;
|
||||
seqtt = asn1_do_adb(pval, tt, 0);
|
||||
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, 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)
|
||||
{
|
||||
STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval;
|
||||
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, ASN1_ITEM_ptr(tt->item),
|
||||
0);
|
||||
}
|
||||
sk_ASN1_VALUE_free(sk);
|
||||
*pval = NULL;
|
||||
}
|
||||
else
|
||||
asn1_item_combine_free(pval, ASN1_ITEM_ptr(tt->item),
|
||||
tt->flags & ASN1_TFLG_COMBINE);
|
||||
}
|
||||
{
|
||||
int i;
|
||||
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++) {
|
||||
ASN1_VALUE *vtmp;
|
||||
vtmp = sk_ASN1_VALUE_value(sk, i);
|
||||
asn1_item_combine_free(&vtmp, ASN1_ITEM_ptr(tt->item), 0);
|
||||
}
|
||||
sk_ASN1_VALUE_free(sk);
|
||||
*pval = NULL;
|
||||
} 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)
|
||||
{
|
||||
const ASN1_PRIMITIVE_FUNCS *pf;
|
||||
pf = it->funcs;
|
||||
if (pf && pf->prim_free)
|
||||
{
|
||||
pf->prim_free(pval, it);
|
||||
return;
|
||||
}
|
||||
}
|
||||
/* Special case: if 'it' is NULL free contents of ASN1_TYPE */
|
||||
if (!it)
|
||||
{
|
||||
ASN1_TYPE *typ = (ASN1_TYPE *)*pval;
|
||||
utype = typ->type;
|
||||
pval = &typ->value.asn1_value;
|
||||
if (!*pval)
|
||||
return;
|
||||
}
|
||||
else if (it->itype == ASN1_ITYPE_MSTRING)
|
||||
{
|
||||
utype = -1;
|
||||
if (!*pval)
|
||||
return;
|
||||
}
|
||||
else
|
||||
{
|
||||
utype = it->utype;
|
||||
if ((utype != V_ASN1_BOOLEAN) && !*pval)
|
||||
return;
|
||||
}
|
||||
{
|
||||
int utype;
|
||||
if (it) {
|
||||
const ASN1_PRIMITIVE_FUNCS *pf;
|
||||
pf = it->funcs;
|
||||
if (pf && pf->prim_free) {
|
||||
pf->prim_free(pval, it);
|
||||
return;
|
||||
}
|
||||
}
|
||||
/* Special case: if 'it' is NULL free contents of ASN1_TYPE */
|
||||
if (!it) {
|
||||
ASN1_TYPE *typ = (ASN1_TYPE *)*pval;
|
||||
utype = typ->type;
|
||||
pval = &typ->value.asn1_value;
|
||||
if (!*pval)
|
||||
return;
|
||||
} else if (it->itype == ASN1_ITYPE_MSTRING) {
|
||||
utype = -1;
|
||||
if (!*pval)
|
||||
return;
|
||||
} else {
|
||||
utype = it->utype;
|
||||
if ((utype != V_ASN1_BOOLEAN) && !*pval)
|
||||
return;
|
||||
}
|
||||
|
||||
switch(utype)
|
||||
{
|
||||
case V_ASN1_OBJECT:
|
||||
ASN1_OBJECT_free((ASN1_OBJECT *)*pval);
|
||||
break;
|
||||
switch (utype) {
|
||||
case V_ASN1_OBJECT:
|
||||
ASN1_OBJECT_free((ASN1_OBJECT *)*pval);
|
||||
break;
|
||||
|
||||
case V_ASN1_BOOLEAN:
|
||||
if (it)
|
||||
*(ASN1_BOOLEAN *)pval = it->size;
|
||||
else
|
||||
*(ASN1_BOOLEAN *)pval = -1;
|
||||
return;
|
||||
case V_ASN1_BOOLEAN:
|
||||
if (it)
|
||||
*(ASN1_BOOLEAN *)pval = it->size;
|
||||
else
|
||||
*(ASN1_BOOLEAN *)pval = -1;
|
||||
return;
|
||||
|
||||
case V_ASN1_NULL:
|
||||
break;
|
||||
case V_ASN1_NULL:
|
||||
break;
|
||||
|
||||
case V_ASN1_ANY:
|
||||
ASN1_primitive_free(pval, NULL);
|
||||
OPENSSL_free(*pval);
|
||||
break;
|
||||
case V_ASN1_ANY:
|
||||
ASN1_primitive_free(pval, NULL);
|
||||
OPENSSL_free(*pval);
|
||||
break;
|
||||
|
||||
default:
|
||||
ASN1_STRING_free((ASN1_STRING *)*pval);
|
||||
*pval = NULL;
|
||||
break;
|
||||
}
|
||||
*pval = NULL;
|
||||
}
|
||||
default:
|
||||
ASN1_STRING_free((ASN1_STRING *)*pval);
|
||||
*pval = NULL;
|
||||
break;
|
||||
}
|
||||
*pval = NULL;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user