1. add openssl option at menuconfig 2. remove SSL_ERR to reduce complexity 3. add more functions about debugging and assert According these, our coders and customers may use and debug the OpenSSL code easily.
239 lines
4.9 KiB
C
239 lines
4.9 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ssl_pkey.h"
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#include "ssl_methods.h"
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#include "ssl_dbg.h"
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#include "ssl_port.h"
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/**
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* @brief create a private key object according to input private key
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*/
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EVP_PKEY* __EVP_PKEY_new(EVP_PKEY *ipk)
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{
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int ret;
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EVP_PKEY *pkey;
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pkey = ssl_mem_zalloc(sizeof(EVP_PKEY));
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if (!pkey) {
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SSL_DEBUG(SSL_PKEY_ERROR_LEVEL, "no enough memory > (pkey)");
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goto no_mem;
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}
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if (ipk) {
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pkey->method = ipk->method;
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} else {
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pkey->method = EVP_PKEY_method();
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}
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ret = EVP_PKEY_METHOD_CALL(new, pkey, ipk);
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if (ret) {
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SSL_DEBUG(SSL_PKEY_ERROR_LEVEL, "EVP_PKEY_METHOD_CALL(new) return %d", ret);
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goto failed;
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}
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return pkey;
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failed:
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ssl_mem_free(pkey);
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no_mem:
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return NULL;
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}
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/**
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* @brief create a private key object
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*/
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EVP_PKEY* EVP_PKEY_new(void)
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{
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return __EVP_PKEY_new(NULL);
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}
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/**
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* @brief free a private key object
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*/
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void EVP_PKEY_free(EVP_PKEY *pkey)
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{
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SSL_ASSERT3(pkey);
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EVP_PKEY_METHOD_CALL(free, pkey);
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ssl_mem_free(pkey);
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}
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/**
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* @brief load a character key context into system context. If '*a' is pointed to the
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* private key, then load key into it. Or create a new private key object
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*/
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EVP_PKEY *d2i_PrivateKey(int type,
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EVP_PKEY **a,
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const unsigned char **pp,
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long length)
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{
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int m = 0;
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int ret;
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EVP_PKEY *pkey;
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SSL_ASSERT2(pp);
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SSL_ASSERT2(*pp);
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SSL_ASSERT2(length);
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if (a && *a) {
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pkey = *a;
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} else {
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pkey = EVP_PKEY_new();;
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if (!pkey) {
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SSL_DEBUG(SSL_PKEY_ERROR_LEVEL, "EVP_PKEY_new() return NULL");
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goto failed1;
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}
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m = 1;
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}
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ret = EVP_PKEY_METHOD_CALL(load, pkey, *pp, length);
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if (ret) {
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SSL_DEBUG(SSL_PKEY_ERROR_LEVEL, "EVP_PKEY_METHOD_CALL(load) return %d", ret);
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goto failed2;
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}
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if (a)
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*a = pkey;
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return pkey;
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failed2:
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if (m)
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EVP_PKEY_free(pkey);
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failed1:
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return NULL;
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}
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/**
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* @brief set the SSL context private key
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*/
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int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
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{
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SSL_ASSERT1(ctx);
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SSL_ASSERT1(pkey);
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if (ctx->cert->pkey == pkey)
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return 1;
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if (ctx->cert->pkey)
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EVP_PKEY_free(ctx->cert->pkey);
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ctx->cert->pkey = pkey;
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return 1;
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}
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/**
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* @brief set the SSL private key
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*/
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int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
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{
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SSL_ASSERT1(ssl);
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SSL_ASSERT1(pkey);
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if (ssl->cert->pkey == pkey)
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return 1;
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if (ssl->cert->pkey)
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EVP_PKEY_free(ssl->cert->pkey);
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ssl->cert->pkey = pkey;
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return 1;
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}
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/**
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* @brief load private key into the SSL context
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*/
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int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
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const unsigned char *d, long len)
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{
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int ret;
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EVP_PKEY *pk;
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pk = d2i_PrivateKey(0, NULL, &d, len);
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if (!pk) {
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SSL_DEBUG(SSL_PKEY_ERROR_LEVEL, "d2i_PrivateKey() return NULL");
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goto failed1;
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}
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ret = SSL_CTX_use_PrivateKey(ctx, pk);
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if (!ret) {
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SSL_DEBUG(SSL_PKEY_ERROR_LEVEL, "SSL_CTX_use_PrivateKey() return %d", ret);
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goto failed2;
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}
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return 1;
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failed2:
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EVP_PKEY_free(pk);
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failed1:
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return 0;
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}
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/**
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* @brief load private key into the SSL
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*/
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int SSL_use_PrivateKey_ASN1(int type, SSL *ssl,
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const unsigned char *d, long len)
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{
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int ret;
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EVP_PKEY *pk;
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pk = d2i_PrivateKey(0, NULL, &d, len);
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if (!pk) {
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SSL_DEBUG(SSL_PKEY_ERROR_LEVEL, "d2i_PrivateKey() return NULL");
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goto failed1;
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}
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ret = SSL_use_PrivateKey(ssl, pk);
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if (!ret) {
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SSL_DEBUG(SSL_PKEY_ERROR_LEVEL, "SSL_use_PrivateKey() return %d", ret);
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goto failed2;
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}
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return 1;
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failed2:
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EVP_PKEY_free(pk);
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failed1:
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return 0;
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}
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/**
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* @brief load the private key file into SSL context
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*/
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int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
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{
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return 0;
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}
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/**
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* @brief load the private key file into SSL
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*/
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int SSL_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
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{
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return 0;
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}
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/**
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* @brief load the RSA ASN1 private key into SSL context
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*/
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int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len)
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{
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return SSL_CTX_use_PrivateKey_ASN1(0, ctx, d, len);
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}
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