esp-idf/components/openssl/library/ssl_x509.c

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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "ssl_x509.h"
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#include "ssl_methods.h"
#include "ssl_dbg.h"
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#include "ssl_port.h"
/**
* @brief show X509 certification information
*/
int __X509_show_info(X509 *x)
{
return X509_METHOD_CALL(show_info, x);
}
/**
* @brief create a X509 certification object according to input X509 certification
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*/
X509* __X509_new(X509 *ix)
{
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int ret;
X509 *x;
x = ssl_mem_zalloc(sizeof(X509));
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if (!x)
SSL_RET(failed1, "ssl_mem_zalloc\n");
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if (ix)
x->method = ix->method;
else
x->method = X509_method();
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ret = X509_METHOD_CALL(new, x, ix);
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if (ret)
SSL_RET(failed2, "x509_new\n");
return x;
failed2:
ssl_mem_free(x);
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failed1:
return NULL;
}
/**
* @brief create a X509 certification object
*/
X509* X509_new(void)
{
return __X509_new(NULL);
}
/**
* @brief free a X509 certification object
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*/
void X509_free(X509 *x)
{
X509_METHOD_CALL(free, x);
ssl_mem_free(x);
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};
/**
* @brief load a character certification context into system context. If '*cert' is pointed to the
* certification, then load certification into it. Or create a new X509 certification object
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*/
X509* d2i_X509(X509 **cert, const unsigned char *buffer, long len)
{
int m = 0;
int ret;
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X509 *x;
SSL_ASSERT(buffer);
SSL_ASSERT(len);
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if (cert && *cert) {
x = *cert;
} else {
x = X509_new();
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if (!x)
SSL_RET(failed1, "X509_new\n");
m = 1;
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}
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ret = X509_METHOD_CALL(load, x, buffer, len);
if (ret)
SSL_RET(failed2, "x509_load\n");
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return x;
failed2:
if (m)
X509_free(x);
failed1:
return NULL;
}
/**
* @brief set SSL context client CA certification
*/
int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x)
{
SSL_ASSERT(ctx);
SSL_ASSERT(x);
if (ctx->client_CA == x)
return 1;
X509_free(ctx->client_CA);
ctx->client_CA = x;
return 1;
}
/**
* @brief add CA client certification into the SSL
*/
int SSL_add_client_CA(SSL *ssl, X509 *x)
{
SSL_ASSERT(ssl);
SSL_ASSERT(x);
if (ssl->client_CA == x)
return 1;
X509_free(ssl->client_CA);
ssl->client_CA = x;
return 1;
}
/**
* @brief set the SSL context certification
*/
int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
{
SSL_ASSERT(ctx);
SSL_ASSERT(x);
if (ctx->cert->x509 == x)
return 1;
X509_free(ctx->cert->x509);
ctx->cert->x509 = x;
return 1;
}
/**
* @brief set the SSL certification
*/
int SSL_use_certificate(SSL *ssl, X509 *x)
{
SSL_ASSERT(ssl);
SSL_ASSERT(x);
if (ssl->cert->x509 == x)
return 1;
X509_free(ssl->cert->x509);
ssl->cert->x509 = x;
return 1;
}
/**
* @brief get the SSL certification point
*/
X509 *SSL_get_certificate(const SSL *ssl)
{
SSL_ASSERT(ssl);
return ssl->cert->x509;
}
/**
* @brief load certification into the SSL context
*/
int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
const unsigned char *d)
{
int ret;
X509 *x;
x = d2i_X509(NULL, d, len);
if (!x)
SSL_RET(failed1, "d2i_X509\n");
ret = SSL_CTX_use_certificate(ctx, x);
if (!ret)
SSL_RET(failed2, "SSL_CTX_use_certificate\n");
return 1;
failed2:
X509_free(x);
failed1:
return 0;
}
/**
* @brief load certification into the SSL
*/
int SSL_use_certificate_ASN1(SSL *ssl, int len,
const unsigned char *d)
{
int ret;
X509 *x;
x = d2i_X509(NULL, d, len);
if (!x)
SSL_RET(failed1, "d2i_X509\n");
ret = SSL_use_certificate(ssl, x);
if (!ret)
SSL_RET(failed2, "SSL_use_certificate\n");
return 1;
failed2:
X509_free(x);
failed1:
return 0;
}
/**
* @brief load the certification file into SSL context
*/
int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
{
return 0;
}
/**
* @brief load the certification file into SSL
*/
int SSL_use_certificate_file(SSL *ssl, const char *file, int type)
{
return 0;
}
/**
* @brief get peer certification
*/
X509 *SSL_get_peer_certificate(const SSL *ssl)
{
SSL_ASSERT(ssl);
return ssl->session->peer;
}