mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-05 13:33:33 +01:00
238 lines
5.7 KiB
C
238 lines
5.7 KiB
C
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/*
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* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/safestack.h>
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#include <openssl/asn1.h>
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#include <openssl/objects.h>
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#include <openssl/evp.h>
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#include "x509_local.h"
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int X509v3_get_ext_count(const STACK_OF(X509_EXTENSION) *x)
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{
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int ret;
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if (x == NULL)
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return 0;
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ret = sk_X509_EXTENSION_num(x);
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return ret > 0 ? ret : 0;
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}
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int X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION) *x, int nid,
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int lastpos)
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{
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ASN1_OBJECT *obj;
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obj = OBJ_nid2obj(nid);
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if (obj == NULL)
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return -2;
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return X509v3_get_ext_by_OBJ(x, obj, lastpos);
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}
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int X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION) *sk,
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const ASN1_OBJECT *obj, int lastpos)
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{
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int n;
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X509_EXTENSION *ex;
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if (sk == NULL)
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return -1;
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lastpos++;
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if (lastpos < 0)
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lastpos = 0;
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n = sk_X509_EXTENSION_num(sk);
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for (; lastpos < n; lastpos++) {
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ex = sk_X509_EXTENSION_value(sk, lastpos);
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if (OBJ_cmp(ex->object, obj) == 0)
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return lastpos;
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}
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return -1;
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}
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int X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION) *sk, int crit,
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int lastpos)
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{
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int n;
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X509_EXTENSION *ex;
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if (sk == NULL)
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return -1;
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lastpos++;
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if (lastpos < 0)
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lastpos = 0;
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n = sk_X509_EXTENSION_num(sk);
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for (; lastpos < n; lastpos++) {
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ex = sk_X509_EXTENSION_value(sk, lastpos);
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if (((ex->critical > 0) && crit) || ((ex->critical <= 0) && !crit))
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return lastpos;
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}
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return -1;
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}
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X509_EXTENSION *X509v3_get_ext(const STACK_OF(X509_EXTENSION) *x, int loc)
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{
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if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
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return NULL;
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else
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return sk_X509_EXTENSION_value(x, loc);
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}
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X509_EXTENSION *X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc)
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{
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X509_EXTENSION *ret;
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if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
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return NULL;
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ret = sk_X509_EXTENSION_delete(x, loc);
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return ret;
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}
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STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x,
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X509_EXTENSION *ex, int loc)
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{
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X509_EXTENSION *new_ex = NULL;
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int n;
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STACK_OF(X509_EXTENSION) *sk = NULL;
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if (x == NULL) {
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ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
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goto err2;
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}
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if (*x == NULL) {
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if ((sk = sk_X509_EXTENSION_new_null()) == NULL)
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goto err;
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} else
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sk = *x;
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n = sk_X509_EXTENSION_num(sk);
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if (loc > n)
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loc = n;
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else if (loc < 0)
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loc = n;
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if ((new_ex = X509_EXTENSION_dup(ex)) == NULL)
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goto err2;
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if (!sk_X509_EXTENSION_insert(sk, new_ex, loc))
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goto err;
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if (*x == NULL)
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*x = sk;
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return sk;
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err:
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ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
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err2:
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X509_EXTENSION_free(new_ex);
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if (x != NULL && *x == NULL)
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sk_X509_EXTENSION_free(sk);
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return NULL;
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}
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X509_EXTENSION *X509_EXTENSION_create_by_NID(X509_EXTENSION **ex, int nid,
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int crit,
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ASN1_OCTET_STRING *data)
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{
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ASN1_OBJECT *obj;
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X509_EXTENSION *ret;
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obj = OBJ_nid2obj(nid);
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if (obj == NULL) {
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ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_NID);
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return NULL;
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}
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ret = X509_EXTENSION_create_by_OBJ(ex, obj, crit, data);
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if (ret == NULL)
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ASN1_OBJECT_free(obj);
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return ret;
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}
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X509_EXTENSION *X509_EXTENSION_create_by_OBJ(X509_EXTENSION **ex,
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const ASN1_OBJECT *obj, int crit,
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ASN1_OCTET_STRING *data)
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{
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X509_EXTENSION *ret;
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if ((ex == NULL) || (*ex == NULL)) {
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if ((ret = X509_EXTENSION_new()) == NULL) {
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ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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} else
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ret = *ex;
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if (!X509_EXTENSION_set_object(ret, obj))
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goto err;
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if (!X509_EXTENSION_set_critical(ret, crit))
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goto err;
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if (!X509_EXTENSION_set_data(ret, data))
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goto err;
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if ((ex != NULL) && (*ex == NULL))
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*ex = ret;
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return ret;
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err:
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if ((ex == NULL) || (ret != *ex))
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X509_EXTENSION_free(ret);
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return NULL;
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}
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int X509_EXTENSION_set_object(X509_EXTENSION *ex, const ASN1_OBJECT *obj)
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{
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if ((ex == NULL) || (obj == NULL))
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return 0;
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ASN1_OBJECT_free(ex->object);
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ex->object = OBJ_dup(obj);
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return ex->object != NULL;
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}
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int X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit)
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{
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if (ex == NULL)
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return 0;
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ex->critical = (crit) ? 0xFF : -1;
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return 1;
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}
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int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data)
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{
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int i;
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if (ex == NULL)
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return 0;
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i = ASN1_OCTET_STRING_set(&ex->value, data->data, data->length);
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if (!i)
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return 0;
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return 1;
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}
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ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *ex)
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{
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if (ex == NULL)
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return NULL;
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return ex->object;
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}
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ASN1_OCTET_STRING *X509_EXTENSION_get_data(X509_EXTENSION *ex)
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{
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if (ex == NULL)
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return NULL;
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return &ex->value;
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}
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int X509_EXTENSION_get_critical(const X509_EXTENSION *ex)
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{
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if (ex == NULL)
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return 0;
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if (ex->critical > 0)
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return 1;
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return 0;
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}
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