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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
#ifdef AXIS2_SSL_ENABLED
#include <string.h>
#include <stdlib.h>
#include "ssl_stream.h"
#include "ssl_utils.h"
/**
* @brief Stream struct impl
* Streaming mechanisms for SSL
*/
typedef struct ssl_stream_impl ssl_stream_impl_t;
struct ssl_stream_impl
{
axutil_stream_t stream;
axutil_stream_type_t stream_type;
SSL *ssl;
SSL_CTX *ctx;
axis2_socket_t socket;
};
#define AXIS2_INTF_TO_IMPL(stream) ((ssl_stream_impl_t *)(stream))
void AXIS2_CALL axis2_ssl_stream_free(
axutil_stream_t * stream,
const axutil_env_t * env);
axutil_stream_type_t AXIS2_CALL axis2_ssl_stream_get_type(
axutil_stream_t * stream,
const axutil_env_t * env);
int AXIS2_CALL axis2_ssl_stream_write(
axutil_stream_t * stream,
const axutil_env_t * env,
const void *buffer,
size_t count);
int AXIS2_CALL axis2_ssl_stream_read(
axutil_stream_t * stream,
const axutil_env_t * env,
void *buffer,
size_t count);
int AXIS2_CALL axis2_ssl_stream_skip(
axutil_stream_t * stream,
const axutil_env_t * env,
int count);
int AXIS2_CALL axis2_ssl_stream_get_char(
axutil_stream_t * stream,
const axutil_env_t * env);
AXIS2_EXTERN axutil_stream_t *AXIS2_CALL
axutil_stream_create_ssl(
const axutil_env_t * env,
axis2_socket_t socket,
axis2_char_t * server_cert,
axis2_char_t * key_file,
axis2_char_t * ssl_pp)
{
ssl_stream_impl_t *stream_impl = NULL;
stream_impl =
(ssl_stream_impl_t *) AXIS2_MALLOC(env->allocator,
sizeof(ssl_stream_impl_t));
if (!stream_impl)
{
AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
return NULL;
}
memset ((void *)stream_impl, 0, sizeof (ssl_stream_impl_t));
stream_impl->socket = socket;
stream_impl->ctx = NULL;
stream_impl->ssl = NULL;
stream_impl->ctx = axis2_ssl_utils_initialize_ctx(env, server_cert,
key_file, ssl_pp);
if (!stream_impl->ctx)
{
axis2_ssl_stream_free((axutil_stream_t *) stream_impl, env);
AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_SSL_ENGINE, AXIS2_FAILURE);
return NULL;
}
stream_impl->ssl = axis2_ssl_utils_initialize_ssl(env, stream_impl->ctx,
stream_impl->socket);
if (!stream_impl->ssl)
{
AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_SSL_ENGINE, AXIS2_FAILURE);
return NULL;
}
stream_impl->stream_type = AXIS2_STREAM_MANAGED;
axutil_stream_set_read(&(stream_impl->stream), env, axis2_ssl_stream_read);
axutil_stream_set_write(&(stream_impl->stream), env,
axis2_ssl_stream_write);
axutil_stream_set_skip(&(stream_impl->stream), env, axis2_ssl_stream_skip);
return &(stream_impl->stream);
}
void AXIS2_CALL
axis2_ssl_stream_free(
axutil_stream_t * stream,
const axutil_env_t * env)
{
ssl_stream_impl_t *stream_impl = NULL;
stream_impl = AXIS2_INTF_TO_IMPL(stream);
axis2_ssl_utils_cleanup_ssl(env, stream_impl->ctx, stream_impl->ssl);
AXIS2_FREE(env->allocator, stream_impl);
return;
}
int AXIS2_CALL
axis2_ssl_stream_read(
axutil_stream_t * stream,
const axutil_env_t * env,
void *buffer,
size_t count)
{
ssl_stream_impl_t *stream_impl = NULL;
int read = -1;
int len = -1;
stream_impl = AXIS2_INTF_TO_IMPL(stream);
SSL_set_mode(stream_impl->ssl, SSL_MODE_AUTO_RETRY);
read = SSL_read(stream_impl->ssl, buffer, (int)count);
/* We are sure that the difference lies within the int range */
switch (SSL_get_error(stream_impl->ssl, read))
{
case SSL_ERROR_NONE:
len = read;
break;
case SSL_ERROR_ZERO_RETURN:
len = -1;
break;
case SSL_ERROR_SYSCALL:
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "SSL Error: Premature close");
len = -1;
break;
default:
len = -1;
break;
}
return len;
}
int AXIS2_CALL
axis2_ssl_stream_write(
axutil_stream_t * stream,
const axutil_env_t * env,
const void *buf,
size_t count)
{
ssl_stream_impl_t *stream_impl = NULL;
int write = -1;
AXIS2_PARAM_CHECK(env->error, buf, AXIS2_FAILURE);
stream_impl = AXIS2_INTF_TO_IMPL(stream);
write = SSL_write(stream_impl->ssl, buf, (int)count);
/* We are sure that the difference lies within the int range */
switch (SSL_get_error(stream_impl->ssl, write))
{
case SSL_ERROR_NONE:
if ((int)count != write)
/* We are sure that the difference lies within the int range */
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Incomplete SSL write!");
break;
default:
return -1;
}
return write;
}
int AXIS2_CALL
axis2_ssl_stream_skip(
axutil_stream_t * stream,
const axutil_env_t * env,
int count)
{
ssl_stream_impl_t *stream_impl = NULL;
axis2_char_t *tmp_buffer = NULL;
int len = -1;
stream_impl = AXIS2_INTF_TO_IMPL(stream);
tmp_buffer = AXIS2_MALLOC(env->allocator, count * sizeof(axis2_char_t));
if (tmp_buffer == NULL)
{
AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
return -1;
}
len = SSL_read(stream_impl->ssl, tmp_buffer, count);
AXIS2_FREE(env->allocator, tmp_buffer);
return len;
}
int AXIS2_CALL
axis2_ssl_stream_get_char(
axutil_stream_t * stream,
const axutil_env_t * env)
{
int ret = -1;
return ret;
}
axutil_stream_type_t AXIS2_CALL
axis2_ssl_stream_get_type(
axutil_stream_t * stream,
const axutil_env_t * env)
{
return AXIS2_INTF_TO_IMPL(stream)->stream_type;
}
#endif
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