1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
/*
* 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))
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(
void * streamv,
const axutil_env_t * env)
{
ssl_stream_impl_t *stream_impl = NULL;
axutil_stream_t* stream = (axutil_stream_t*)streamv;
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;
}
SSL_set_mode(stream_impl->ssl, SSL_MODE_AUTO_RETRY);
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
|
