Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/engine/eng_lib.c |
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1 | /* $OpenBSD: eng_lib.c,v 1.14 2018/04/14 07:18:37 tb Exp $ */ | - | ||||||
2 | /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL | - | ||||||
3 | * project 2000. | - | ||||||
4 | */ | - | ||||||
5 | /* ==================================================================== | - | ||||||
6 | * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved. | - | ||||||
7 | * | - | ||||||
8 | * Redistribution and use in source and binary forms, with or without | - | ||||||
9 | * modification, are permitted provided that the following conditions | - | ||||||
10 | * are met: | - | ||||||
11 | * | - | ||||||
12 | * 1. Redistributions of source code must retain the above copyright | - | ||||||
13 | * notice, this list of conditions and the following disclaimer. | - | ||||||
14 | * | - | ||||||
15 | * 2. Redistributions in binary form must reproduce the above copyright | - | ||||||
16 | * notice, this list of conditions and the following disclaimer in | - | ||||||
17 | * the documentation and/or other materials provided with the | - | ||||||
18 | * distribution. | - | ||||||
19 | * | - | ||||||
20 | * 3. All advertising materials mentioning features or use of this | - | ||||||
21 | * software must display the following acknowledgment: | - | ||||||
22 | * "This product includes software developed by the OpenSSL Project | - | ||||||
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | - | ||||||
24 | * | - | ||||||
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | - | ||||||
26 | * endorse or promote products derived from this software without | - | ||||||
27 | * prior written permission. For written permission, please contact | - | ||||||
28 | * licensing@OpenSSL.org. | - | ||||||
29 | * | - | ||||||
30 | * 5. Products derived from this software may not be called "OpenSSL" | - | ||||||
31 | * nor may "OpenSSL" appear in their names without prior written | - | ||||||
32 | * permission of the OpenSSL Project. | - | ||||||
33 | * | - | ||||||
34 | * 6. Redistributions of any form whatsoever must retain the following | - | ||||||
35 | * acknowledgment: | - | ||||||
36 | * "This product includes software developed by the OpenSSL Project | - | ||||||
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | - | ||||||
38 | * | - | ||||||
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | - | ||||||
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | - | ||||||
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | - | ||||||
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | - | ||||||
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | - | ||||||
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | - | ||||||
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | - | ||||||
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | - | ||||||
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | - | ||||||
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | - | ||||||
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | - | ||||||
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | - | ||||||
51 | * ==================================================================== | - | ||||||
52 | * | - | ||||||
53 | * This product includes cryptographic software written by Eric Young | - | ||||||
54 | * (eay@cryptsoft.com). This product includes software written by Tim | - | ||||||
55 | * Hudson (tjh@cryptsoft.com). | - | ||||||
56 | * | - | ||||||
57 | */ | - | ||||||
58 | - | |||||||
59 | #include <string.h> | - | ||||||
60 | - | |||||||
61 | #include <openssl/err.h> | - | ||||||
62 | #include <openssl/rand.h> | - | ||||||
63 | - | |||||||
64 | #include "eng_int.h" | - | ||||||
65 | - | |||||||
66 | /* The "new"/"free" stuff first */ | - | ||||||
67 | - | |||||||
68 | ENGINE * | - | ||||||
69 | ENGINE_new(void) | - | ||||||
70 | { | - | ||||||
71 | ENGINE *ret; | - | ||||||
72 | - | |||||||
73 | if (!OPENSSL_init_crypto(0, NULL))
| 0-516 | ||||||
74 | return NULL; never executed: return ((void *)0) ; | 0 | ||||||
75 | - | |||||||
76 | ret = malloc(sizeof(ENGINE)); | - | ||||||
77 | if (ret == NULL) {
| 0-516 | ||||||
78 | ENGINEerror(ERR_R_MALLOC_FAILURE); | - | ||||||
79 | return NULL; never executed: return ((void *)0) ; | 0 | ||||||
80 | } | - | ||||||
81 | memset(ret, 0, sizeof(ENGINE)); | - | ||||||
82 | ret->struct_ref = 1; | - | ||||||
83 | engine_ref_debug(ret, 0, 1) | - | ||||||
84 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ENGINE, ret, &ret->ex_data); | - | ||||||
85 | return ret; executed 516 times by 1 test: return ret; Executed by:
| 516 | ||||||
86 | } | - | ||||||
87 | - | |||||||
88 | /* Placed here (close proximity to ENGINE_new) so that modifications to the | - | ||||||
89 | * elements of the ENGINE structure are more likely to be caught and changed | - | ||||||
90 | * here. */ | - | ||||||
91 | void | - | ||||||
92 | engine_set_all_null(ENGINE *e) | - | ||||||
93 | { | - | ||||||
94 | e->id = NULL; | - | ||||||
95 | e->name = NULL; | - | ||||||
96 | e->rsa_meth = NULL; | - | ||||||
97 | e->dsa_meth = NULL; | - | ||||||
98 | e->dh_meth = NULL; | - | ||||||
99 | e->rand_meth = NULL; | - | ||||||
100 | e->store_meth = NULL; | - | ||||||
101 | e->ciphers = NULL; | - | ||||||
102 | e->digests = NULL; | - | ||||||
103 | e->destroy = NULL; | - | ||||||
104 | e->init = NULL; | - | ||||||
105 | e->finish = NULL; | - | ||||||
106 | e->ctrl = NULL; | - | ||||||
107 | e->load_privkey = NULL; | - | ||||||
108 | e->load_pubkey = NULL; | - | ||||||
109 | e->cmd_defns = NULL; | - | ||||||
110 | e->flags = 0; | - | ||||||
111 | } never executed: end of block | 0 | ||||||
112 | - | |||||||
113 | int | - | ||||||
114 | engine_free_util(ENGINE *e, int locked) | - | ||||||
115 | { | - | ||||||
116 | int i; | - | ||||||
117 | - | |||||||
118 | if (e == NULL)
| 11-1553 | ||||||
119 | return 1; executed 11 times by 2 tests: return 1; Executed by:
| 11 | ||||||
120 | if (locked)
| 517-1036 | ||||||
121 | i = CRYPTO_add(&e->struct_ref, -1, CRYPTO_LOCK_ENGINE); executed 1036 times by 1 test: i = CRYPTO_add_lock(&e->struct_ref,-1,30,__FILE__,121); Executed by:
| 1036 | ||||||
122 | else | - | ||||||
123 | i = --e->struct_ref; executed 517 times by 1 test: i = --e->struct_ref; Executed by:
| 517 | ||||||
124 | engine_ref_debug(e, 0, -1) | - | ||||||
125 | if (i > 0)
| 516-1037 | ||||||
126 | return 1; executed 1037 times by 1 test: return 1; Executed by:
| 1037 | ||||||
127 | - | |||||||
128 | /* Free up any dynamically allocated public key methods */ | - | ||||||
129 | engine_pkey_meths_free(e); | - | ||||||
130 | engine_pkey_asn1_meths_free(e); | - | ||||||
131 | /* Give the ENGINE a chance to do any structural cleanup corresponding | - | ||||||
132 | * to allocation it did in its constructor (eg. unload error strings) */ | - | ||||||
133 | if (e->destroy)
| 0-516 | ||||||
134 | e->destroy(e); never executed: e->destroy(e); | 0 | ||||||
135 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ENGINE, e, &e->ex_data); | - | ||||||
136 | free(e); | - | ||||||
137 | return 1; executed 516 times by 1 test: return 1; Executed by:
| 516 | ||||||
138 | } | - | ||||||
139 | - | |||||||
140 | int | - | ||||||
141 | ENGINE_free(ENGINE *e) | - | ||||||
142 | { | - | ||||||
143 | return engine_free_util(e, 1); executed 1047 times by 2 tests: return engine_free_util(e, 1); Executed by:
| 1047 | ||||||
144 | } | - | ||||||
145 | - | |||||||
146 | /* Cleanup stuff */ | - | ||||||
147 | - | |||||||
148 | /* ENGINE_cleanup() is coded such that anything that does work that will need | - | ||||||
149 | * cleanup can register a "cleanup" callback here. That way we don't get linker | - | ||||||
150 | * bloat by referring to all *possible* cleanups, but any linker bloat into code | - | ||||||
151 | * "X" will cause X's cleanup function to end up here. */ | - | ||||||
152 | static STACK_OF(ENGINE_CLEANUP_ITEM) *cleanup_stack = NULL; | - | ||||||
153 | static int | - | ||||||
154 | int_cleanup_check(int create) | - | ||||||
155 | { | - | ||||||
156 | if (cleanup_stack)
| 4-54 | ||||||
157 | return 1; executed 4 times by 1 test: return 1; Executed by:
| 4 | ||||||
158 | if (!create)
| 1-53 | ||||||
159 | return 0; executed 53 times by 4 tests: return 0; Executed by:
| 53 | ||||||
160 | cleanup_stack = sk_ENGINE_CLEANUP_ITEM_new_null(); | - | ||||||
161 | return (cleanup_stack ? 1 : 0); executed 1 time by 1 test: return (cleanup_stack ? 1 : 0); Executed by:
| 0-1 | ||||||
162 | } | - | ||||||
163 | - | |||||||
164 | static ENGINE_CLEANUP_ITEM * | - | ||||||
165 | int_cleanup_item(ENGINE_CLEANUP_CB *cb) | - | ||||||
166 | { | - | ||||||
167 | ENGINE_CLEANUP_ITEM *item = malloc(sizeof(ENGINE_CLEANUP_ITEM)); | - | ||||||
168 | - | |||||||
169 | if (!item)
| 0-4 | ||||||
170 | return NULL; never executed: return ((void *)0) ; | 0 | ||||||
171 | item->cb = cb; | - | ||||||
172 | return item; executed 4 times by 1 test: return item; Executed by:
| 4 | ||||||
173 | } | - | ||||||
174 | - | |||||||
175 | void | - | ||||||
176 | engine_cleanup_add_first(ENGINE_CLEANUP_CB *cb) | - | ||||||
177 | { | - | ||||||
178 | ENGINE_CLEANUP_ITEM *item; | - | ||||||
179 | - | |||||||
180 | if (!int_cleanup_check(1))
| 0 | ||||||
181 | return; never executed: return; | 0 | ||||||
182 | item = int_cleanup_item(cb); | - | ||||||
183 | if (item)
| 0 | ||||||
184 | sk_ENGINE_CLEANUP_ITEM_insert(cleanup_stack, item, 0); never executed: sk_insert(((_STACK*) (1 ? (cleanup_stack) : (struct stack_st_ENGINE_CLEANUP_ITEM*)0)), ((void*) (1 ? (item) : (ENGINE_CLEANUP_ITEM*)0)), (0)); | 0 | ||||||
185 | } never executed: end of block | 0 | ||||||
186 | - | |||||||
187 | void | - | ||||||
188 | engine_cleanup_add_last(ENGINE_CLEANUP_CB *cb) | - | ||||||
189 | { | - | ||||||
190 | ENGINE_CLEANUP_ITEM *item; | - | ||||||
191 | - | |||||||
192 | if (!int_cleanup_check(1))
| 0-4 | ||||||
193 | return; never executed: return; | 0 | ||||||
194 | item = int_cleanup_item(cb); | - | ||||||
195 | if (item)
| 0-4 | ||||||
196 | sk_ENGINE_CLEANUP_ITEM_push(cleanup_stack, item); executed 4 times by 1 test: sk_push(((_STACK*) (1 ? (cleanup_stack) : (struct stack_st_ENGINE_CLEANUP_ITEM*)0)), ((void*) (1 ? (item) : (ENGINE_CLEANUP_ITEM*)0))); Executed by:
| 4 | ||||||
197 | } executed 4 times by 1 test: end of block Executed by:
| 4 | ||||||
198 | /* The API function that performs all cleanup */ | - | ||||||
199 | static void | - | ||||||
200 | engine_cleanup_cb_free(ENGINE_CLEANUP_ITEM *item) | - | ||||||
201 | { | - | ||||||
202 | (*(item->cb))(); | - | ||||||
203 | free(item); | - | ||||||
204 | } executed 4 times by 1 test: end of block Executed by:
| 4 | ||||||
205 | - | |||||||
206 | void | - | ||||||
207 | ENGINE_cleanup(void) | - | ||||||
208 | { | - | ||||||
209 | if (int_cleanup_check(0)) {
| 1-53 | ||||||
210 | sk_ENGINE_CLEANUP_ITEM_pop_free(cleanup_stack, | - | ||||||
211 | engine_cleanup_cb_free); | - | ||||||
212 | cleanup_stack = NULL; | - | ||||||
213 | } executed 1 time by 1 test: end of block Executed by:
| 1 | ||||||
214 | /* FIXME: This should be handled (somehow) through RAND, eg. by it | - | ||||||
215 | * registering a cleanup callback. */ | - | ||||||
216 | RAND_set_rand_method(NULL); | - | ||||||
217 | } executed 54 times by 5 tests: end of block Executed by:
| 54 | ||||||
218 | - | |||||||
219 | /* Now the "ex_data" support */ | - | ||||||
220 | - | |||||||
221 | int | - | ||||||
222 | ENGINE_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | - | ||||||
223 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | - | ||||||
224 | { | - | ||||||
225 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ENGINE, argl, argp, never executed: return CRYPTO_get_ex_new_index(9, argl, argp, new_func, dup_func, free_func); | 0 | ||||||
226 | new_func, dup_func, free_func); never executed: return CRYPTO_get_ex_new_index(9, argl, argp, new_func, dup_func, free_func); | 0 | ||||||
227 | } | - | ||||||
228 | - | |||||||
229 | int | - | ||||||
230 | ENGINE_set_ex_data(ENGINE *e, int idx, void *arg) | - | ||||||
231 | { | - | ||||||
232 | return (CRYPTO_set_ex_data(&e->ex_data, idx, arg)); never executed: return (CRYPTO_set_ex_data(&e->ex_data, idx, arg)); | 0 | ||||||
233 | } | - | ||||||
234 | - | |||||||
235 | void * | - | ||||||
236 | ENGINE_get_ex_data(const ENGINE *e, int idx) | - | ||||||
237 | { | - | ||||||
238 | return (CRYPTO_get_ex_data(&e->ex_data, idx)); never executed: return (CRYPTO_get_ex_data(&e->ex_data, idx)); | 0 | ||||||
239 | } | - | ||||||
240 | - | |||||||
241 | /* Functions to get/set an ENGINE's elements - mainly to avoid exposing the | - | ||||||
242 | * ENGINE structure itself. */ | - | ||||||
243 | - | |||||||
244 | int | - | ||||||
245 | ENGINE_set_id(ENGINE *e, const char *id) | - | ||||||
246 | { | - | ||||||
247 | if (id == NULL) {
| 0-516 | ||||||
248 | ENGINEerror(ERR_R_PASSED_NULL_PARAMETER); | - | ||||||
249 | return 0; never executed: return 0; | 0 | ||||||
250 | } | - | ||||||
251 | e->id = id; | - | ||||||
252 | return 1; executed 516 times by 1 test: return 1; Executed by:
| 516 | ||||||
253 | } | - | ||||||
254 | - | |||||||
255 | int | - | ||||||
256 | ENGINE_set_name(ENGINE *e, const char *name) | - | ||||||
257 | { | - | ||||||
258 | if (name == NULL) {
| 0-516 | ||||||
259 | ENGINEerror(ERR_R_PASSED_NULL_PARAMETER); | - | ||||||
260 | return 0; never executed: return 0; | 0 | ||||||
261 | } | - | ||||||
262 | e->name = name; | - | ||||||
263 | return 1; executed 516 times by 1 test: return 1; Executed by:
| 516 | ||||||
264 | } | - | ||||||
265 | - | |||||||
266 | int | - | ||||||
267 | ENGINE_set_destroy_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR destroy_f) | - | ||||||
268 | { | - | ||||||
269 | e->destroy = destroy_f; | - | ||||||
270 | return 1; never executed: return 1; | 0 | ||||||
271 | } | - | ||||||
272 | - | |||||||
273 | int | - | ||||||
274 | ENGINE_set_init_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR init_f) | - | ||||||
275 | { | - | ||||||
276 | e->init = init_f; | - | ||||||
277 | return 1; never executed: return 1; | 0 | ||||||
278 | } | - | ||||||
279 | - | |||||||
280 | int | - | ||||||
281 | ENGINE_set_finish_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR finish_f) | - | ||||||
282 | { | - | ||||||
283 | e->finish = finish_f; | - | ||||||
284 | return 1; never executed: return 1; | 0 | ||||||
285 | } | - | ||||||
286 | - | |||||||
287 | int | - | ||||||
288 | ENGINE_set_ctrl_function(ENGINE *e, ENGINE_CTRL_FUNC_PTR ctrl_f) | - | ||||||
289 | { | - | ||||||
290 | e->ctrl = ctrl_f; | - | ||||||
291 | return 1; never executed: return 1; | 0 | ||||||
292 | } | - | ||||||
293 | - | |||||||
294 | int | - | ||||||
295 | ENGINE_set_flags(ENGINE *e, int flags) | - | ||||||
296 | { | - | ||||||
297 | e->flags = flags; | - | ||||||
298 | return 1; never executed: return 1; | 0 | ||||||
299 | } | - | ||||||
300 | - | |||||||
301 | int | - | ||||||
302 | ENGINE_set_cmd_defns(ENGINE *e, const ENGINE_CMD_DEFN *defns) | - | ||||||
303 | { | - | ||||||
304 | e->cmd_defns = defns; | - | ||||||
305 | return 1; never executed: return 1; | 0 | ||||||
306 | } | - | ||||||
307 | - | |||||||
308 | const char * | - | ||||||
309 | ENGINE_get_id(const ENGINE *e) | - | ||||||
310 | { | - | ||||||
311 | return e->id; executed 519 times by 1 test: return e->id; Executed by:
| 519 | ||||||
312 | } | - | ||||||
313 | - | |||||||
314 | const char * | - | ||||||
315 | ENGINE_get_name(const ENGINE *e) | - | ||||||
316 | { | - | ||||||
317 | return e->name; executed 519 times by 1 test: return e->name; Executed by:
| 519 | ||||||
318 | } | - | ||||||
319 | - | |||||||
320 | ENGINE_GEN_INT_FUNC_PTR | - | ||||||
321 | ENGINE_get_destroy_function(const ENGINE *e) | - | ||||||
322 | { | - | ||||||
323 | return e->destroy; never executed: return e->destroy; | 0 | ||||||
324 | } | - | ||||||
325 | - | |||||||
326 | ENGINE_GEN_INT_FUNC_PTR | - | ||||||
327 | ENGINE_get_init_function(const ENGINE *e) | - | ||||||
328 | { | - | ||||||
329 | return e->init; never executed: return e->init; | 0 | ||||||
330 | } | - | ||||||
331 | - | |||||||
332 | ENGINE_GEN_INT_FUNC_PTR | - | ||||||
333 | ENGINE_get_finish_function(const ENGINE *e) | - | ||||||
334 | { | - | ||||||
335 | return e->finish; never executed: return e->finish; | 0 | ||||||
336 | } | - | ||||||
337 | - | |||||||
338 | ENGINE_CTRL_FUNC_PTR | - | ||||||
339 | ENGINE_get_ctrl_function(const ENGINE *e) | - | ||||||
340 | { | - | ||||||
341 | return e->ctrl; never executed: return e->ctrl; | 0 | ||||||
342 | } | - | ||||||
343 | - | |||||||
344 | int | - | ||||||
345 | ENGINE_get_flags(const ENGINE *e) | - | ||||||
346 | { | - | ||||||
347 | return e->flags; never executed: return e->flags; | 0 | ||||||
348 | } | - | ||||||
349 | - | |||||||
350 | const ENGINE_CMD_DEFN * | - | ||||||
351 | ENGINE_get_cmd_defns(const ENGINE *e) | - | ||||||
352 | { | - | ||||||
353 | return e->cmd_defns; never executed: return e->cmd_defns; | 0 | ||||||
354 | } | - | ||||||
355 | - | |||||||
356 | /* eng_lib.o is pretty much linked into anything that touches ENGINE already, so | - | ||||||
357 | * put the "static_state" hack here. */ | - | ||||||
358 | - | |||||||
359 | static int internal_static_hack = 0; | - | ||||||
360 | - | |||||||
361 | void * | - | ||||||
362 | ENGINE_get_static_state(void) | - | ||||||
363 | { | - | ||||||
364 | return &internal_static_hack; never executed: return &internal_static_hack; | 0 | ||||||
365 | } | - | ||||||
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