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b184e3ef MC |
1 | /* |
2 | * Written by Matt Caswell for the OpenSSL project. | |
3 | */ | |
4 | /* ==================================================================== | |
5 | * Copyright (c) 2016 The OpenSSL Project. All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * | |
14 | * 2. Redistributions in binary form must reproduce the above copyright | |
15 | * notice, this list of conditions and the following disclaimer in | |
16 | * the documentation and/or other materials provided with the | |
17 | * distribution. | |
18 | * | |
19 | * 3. All advertising materials mentioning features or use of this | |
20 | * software must display the following acknowledgment: | |
21 | * "This product includes software developed by the OpenSSL Project | |
22 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
23 | * | |
24 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
25 | * endorse or promote products derived from this software without | |
26 | * prior written permission. For written permission, please contact | |
27 | * openssl-core@openssl.org. | |
28 | * | |
29 | * 5. Products derived from this software may not be called "OpenSSL" | |
30 | * nor may "OpenSSL" appear in their names without prior written | |
31 | * permission of the OpenSSL Project. | |
32 | * | |
33 | * 6. Redistributions of any form whatsoever must retain the following | |
34 | * acknowledgment: | |
35 | * "This product includes software developed by the OpenSSL Project | |
36 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
37 | * | |
38 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
39 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
40 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
41 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
42 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
43 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
44 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
45 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
46 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
47 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
48 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
49 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
50 | * ==================================================================== | |
51 | * | |
52 | * This product includes cryptographic software written by Eric Young | |
53 | * (eay@cryptsoft.com). This product includes software written by Tim | |
54 | * Hudson (tjh@cryptsoft.com). | |
55 | * | |
56 | */ | |
57 | ||
b184e3ef MC |
58 | #include <internal/cryptlib_int.h> |
59 | #include <openssl/err.h> | |
31305cdf | 60 | #include <openssl/rand.h> |
b184e3ef | 61 | #include <openssl/evp.h> |
b184e3ef MC |
62 | #include <internal/evp_int.h> |
63 | #include <internal/conf.h> | |
64 | #include <internal/async.h> | |
1288f26f | 65 | #ifndef OPENSSL_NO_ENGINE |
b184e3ef | 66 | #include <internal/engine.h> |
1288f26f | 67 | #endif |
b184e3ef | 68 | #include <openssl/comp.h> |
b184e3ef | 69 | #include <internal/err.h> |
b184e3ef | 70 | #include <stdlib.h> |
dd27f16e RS |
71 | #include <assert.h> |
72 | ||
73 | static int stopped = 0; | |
b184e3ef | 74 | |
71567a6f MC |
75 | static void ossl_init_thread_stop(struct thread_local_inits_st *locals); |
76 | ||
b184e3ef MC |
77 | /* Implement "once" functionality */ |
78 | #if !defined(OPENSSL_THREADS) | |
79 | typedef int OPENSSL_INIT_ONCE; | |
80 | # define OPENSSL_INIT_ONCE_STATIC_INIT 0 | |
b184e3ef MC |
81 | |
82 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
83 | { | |
84 | if (*once == OPENSSL_INIT_ONCE_STATIC_INIT) { | |
85 | *once = 1; | |
86 | init(); | |
87 | } | |
88 | } | |
89 | ||
90 | static int ossl_init_setup_thread_stop(void) | |
91 | { | |
92 | /* | |
93 | * There are no threads to stop. Do nothing. | |
94 | */ | |
95 | return 1; | |
96 | } | |
97 | ||
98 | static void ossl_init_thread_stop_cleanup(void) | |
99 | { | |
100 | } | |
101 | ||
102 | static struct thread_local_inits_st *local = NULL; | |
b7326ea7 | 103 | static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc) |
b184e3ef | 104 | { |
8bd8221b | 105 | struct thread_local_inits_st *tmp; |
b7326ea7 MC |
106 | |
107 | tmp = local; | |
108 | ||
b184e3ef | 109 | if (local == NULL && alloc) |
b7326ea7 MC |
110 | tmp = local = OPENSSL_zalloc(sizeof(*local)); |
111 | ||
112 | if (!alloc) | |
113 | local = NULL; | |
114 | ||
115 | return tmp; | |
b184e3ef MC |
116 | } |
117 | ||
118 | #elif defined(OPENSSL_SYS_WINDOWS) | |
119 | ||
120 | # include <windows.h> | |
121 | ||
122 | # if _WIN32_WINNT < 0x0600 | |
123 | ||
124 | /* | |
125 | * Versions before 0x0600 (Windows Vista, Windows Server 2008 or later) do not | |
126 | * have InitOnceExecuteOnce, so we fall back to using a spinlock instead. | |
127 | */ | |
128 | typedef LONG OPENSSL_INIT_ONCE; | |
129 | # define OPENSSL_INIT_ONCE_STATIC_INIT 0 | |
b184e3ef MC |
130 | |
131 | # define ONCE_UNINITED 0 | |
132 | # define ONCE_ININIT 1 | |
133 | # define ONCE_DONE 2 | |
134 | ||
135 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
136 | { | |
137 | LONG volatile *lock = (LONG *)once; | |
138 | LONG result; | |
139 | ||
140 | if (*lock == ONCE_DONE) | |
141 | return; | |
142 | ||
143 | do { | |
144 | result = InterlockedCompareExchange(lock, ONCE_ININIT, ONCE_UNINITED); | |
145 | if (result == ONCE_UNINITED) { | |
146 | init(); | |
147 | *lock = ONCE_DONE; | |
148 | return; | |
149 | } | |
150 | } while (result == ONCE_ININIT); | |
151 | } | |
152 | ||
153 | # else | |
154 | ||
155 | typedef INIT_ONCE OPENSSL_INIT_ONCE; | |
156 | # define OPENSSL_INIT_ONCE_STATIC_INIT INIT_ONCE_STATIC_INIT | |
b184e3ef MC |
157 | |
158 | static BOOL CALLBACK once_cb(PINIT_ONCE once, PVOID initfp, PVOID *unused) | |
159 | { | |
160 | void (*init)(void) = initfp; | |
161 | ||
162 | init(); | |
163 | ||
164 | return TRUE; | |
165 | } | |
166 | ||
167 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
168 | { | |
169 | InitOnceExecuteOnce((INIT_ONCE *)once, once_cb, init, NULL); | |
170 | } | |
171 | # endif | |
172 | ||
1ffa8a96 | 173 | static DWORD threadstopkey = TLS_OUT_OF_INDEXES; |
b184e3ef MC |
174 | |
175 | static int ossl_init_setup_thread_stop(void) | |
176 | { | |
177 | /* | |
178 | * We use a dummy thread local key here. We use the destructor to detect | |
179 | * when the thread is going to stop | |
180 | */ | |
181 | threadstopkey = TlsAlloc(); | |
182 | if (threadstopkey == TLS_OUT_OF_INDEXES) | |
183 | return 0; | |
184 | ||
185 | return 1; | |
186 | } | |
187 | ||
188 | static void ossl_init_thread_stop_cleanup(void) | |
189 | { | |
190 | if (threadstopkey != TLS_OUT_OF_INDEXES) { | |
191 | TlsFree(threadstopkey); | |
192 | } | |
193 | } | |
194 | ||
b7326ea7 | 195 | static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc) |
b184e3ef MC |
196 | { |
197 | struct thread_local_inits_st *local = TlsGetValue(threadstopkey); | |
198 | ||
199 | if (local == NULL && alloc) { | |
200 | local = OPENSSL_zalloc(sizeof *local); | |
201 | TlsSetValue(threadstopkey, local); | |
202 | } | |
b7326ea7 MC |
203 | if (!alloc) { |
204 | TlsSetValue(threadstopkey, NULL); | |
205 | } | |
b184e3ef MC |
206 | |
207 | return local; | |
208 | } | |
209 | ||
210 | #else /* pthreads */ | |
211 | # include <pthread.h> | |
212 | ||
1ffa8a96 | 213 | static pthread_key_t threadstopkey; |
b184e3ef MC |
214 | |
215 | typedef pthread_once_t OPENSSL_INIT_ONCE; | |
216 | # define OPENSSL_INIT_ONCE_STATIC_INIT PTHREAD_ONCE_INIT | |
b184e3ef MC |
217 | |
218 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
219 | { | |
220 | pthread_once(once, init); | |
221 | } | |
222 | ||
223 | static void ossl_init_thread_stop_wrap(void *local) | |
224 | { | |
225 | ossl_init_thread_stop((struct thread_local_inits_st *)local); | |
226 | } | |
227 | ||
228 | static int ossl_init_setup_thread_stop(void) | |
229 | { | |
230 | /* | |
231 | * We use a dummy thread local key here. We use the destructor to detect | |
232 | * when the thread is going to stop | |
233 | */ | |
234 | return (pthread_key_create(&threadstopkey, | |
235 | ossl_init_thread_stop_wrap) == 0); | |
236 | } | |
237 | ||
238 | static void ossl_init_thread_stop_cleanup(void) | |
239 | { | |
240 | } | |
241 | ||
b7326ea7 | 242 | static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc) |
b184e3ef MC |
243 | { |
244 | struct thread_local_inits_st *local = pthread_getspecific(threadstopkey); | |
245 | ||
246 | if (local == NULL && alloc) { | |
247 | local = OPENSSL_zalloc(sizeof *local); | |
248 | pthread_setspecific(threadstopkey, local); | |
249 | } | |
b7326ea7 MC |
250 | if (!alloc) { |
251 | pthread_setspecific(threadstopkey, NULL); | |
252 | } | |
b184e3ef MC |
253 | |
254 | return local; | |
255 | } | |
256 | ||
257 | #endif | |
258 | ||
7253fd55 | 259 | typedef struct ossl_init_stop_st OPENSSL_INIT_STOP; |
b184e3ef MC |
260 | struct ossl_init_stop_st { |
261 | void (*handler)(void); | |
262 | OPENSSL_INIT_STOP *next; | |
263 | }; | |
264 | ||
265 | static OPENSSL_INIT_STOP *stop_handlers = NULL; | |
266 | ||
267 | static OPENSSL_INIT_ONCE base = OPENSSL_INIT_ONCE_STATIC_INIT; | |
268 | static int base_inited = 0; | |
269 | static void ossl_init_base(void) | |
270 | { | |
271 | #ifdef OPENSSL_INIT_DEBUG | |
272 | fprintf(stderr, "OPENSSL_INIT: ossl_init_base: Setting up stop handlers\n"); | |
273 | #endif | |
274 | ossl_init_setup_thread_stop(); | |
c7b7938e | 275 | #ifndef OPENSSL_SYS_UEFI |
f672aee4 | 276 | atexit(OPENSSL_cleanup); |
c7b7938e | 277 | #endif |
b184e3ef MC |
278 | OPENSSL_cpuid_setup(); |
279 | base_inited = 1; | |
280 | } | |
281 | ||
282 | static OPENSSL_INIT_ONCE load_crypto_strings = OPENSSL_INIT_ONCE_STATIC_INIT; | |
283 | static int load_crypto_strings_inited = 0; | |
284 | static void ossl_init_no_load_crypto_strings(void) | |
285 | { | |
286 | /* Do nothing in this case */ | |
287 | return; | |
288 | } | |
289 | ||
290 | static void ossl_init_load_crypto_strings(void) | |
291 | { | |
498abff0 MC |
292 | /* |
293 | * OPENSSL_NO_AUTOERRINIT is provided here to prevent at compile time | |
294 | * pulling in all the error strings during static linking | |
295 | */ | |
296 | #if !defined(OPENSSL_NO_ERR) && !defined(OPENSSL_NO_AUTOERRINIT) | |
b184e3ef MC |
297 | # ifdef OPENSSL_INIT_DEBUG |
298 | fprintf(stderr, "OPENSSL_INIT: ossl_init_load_crypto_strings: " | |
299 | "err_load_crypto_strings_intern()\n"); | |
300 | # endif | |
b184e3ef | 301 | err_load_crypto_strings_intern(); |
b184e3ef MC |
302 | #endif |
303 | load_crypto_strings_inited = 1; | |
304 | } | |
305 | ||
306 | static OPENSSL_INIT_ONCE add_all_ciphers = OPENSSL_INIT_ONCE_STATIC_INIT; | |
307 | static void ossl_init_add_all_ciphers(void) | |
308 | { | |
309 | /* | |
310 | * OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time | |
311 | * pulling in all the ciphers during static linking | |
312 | */ | |
313 | #ifndef OPENSSL_NO_AUTOALGINIT | |
314 | # ifdef OPENSSL_INIT_DEBUG | |
315 | fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_ciphers: " | |
316 | "openssl_add_all_ciphers_internal()\n"); | |
317 | # endif | |
b184e3ef | 318 | openssl_add_all_ciphers_internal(); |
b184e3ef MC |
319 | # ifndef OPENSSL_NO_ENGINE |
320 | # if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV) | |
321 | ENGINE_setup_bsd_cryptodev(); | |
322 | # endif | |
323 | # endif | |
324 | #endif | |
325 | } | |
326 | ||
327 | static OPENSSL_INIT_ONCE add_all_digests = OPENSSL_INIT_ONCE_STATIC_INIT; | |
328 | static void ossl_init_add_all_digests(void) | |
329 | { | |
330 | /* | |
331 | * OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time | |
332 | * pulling in all the ciphers during static linking | |
333 | */ | |
334 | #ifndef OPENSSL_NO_AUTOALGINIT | |
335 | # ifdef OPENSSL_INIT_DEBUG | |
336 | fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_digests: " | |
337 | "openssl_add_all_digests_internal()\n"); | |
338 | # endif | |
b184e3ef | 339 | openssl_add_all_digests_internal(); |
b184e3ef MC |
340 | # ifndef OPENSSL_NO_ENGINE |
341 | # if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV) | |
342 | ENGINE_setup_bsd_cryptodev(); | |
343 | # endif | |
344 | # endif | |
345 | #endif | |
346 | } | |
347 | ||
348 | static void ossl_init_no_add_algs(void) | |
349 | { | |
350 | /* Do nothing */ | |
351 | return; | |
352 | } | |
353 | ||
354 | static OPENSSL_INIT_ONCE config = OPENSSL_INIT_ONCE_STATIC_INIT; | |
355 | static int config_inited = 0; | |
356 | static const char *config_filename; | |
357 | static void ossl_init_config(void) | |
358 | { | |
359 | #ifdef OPENSSL_INIT_DEBUG | |
360 | fprintf(stderr, | |
361 | "OPENSSL_INIT: ossl_init_config: openssl_config_internal(%s)\n", | |
362 | config_filename==NULL?"NULL":config_filename); | |
363 | #endif | |
b184e3ef | 364 | openssl_config_internal(config_filename); |
b184e3ef MC |
365 | config_inited = 1; |
366 | } | |
367 | static void ossl_init_no_config(void) | |
368 | { | |
369 | #ifdef OPENSSL_INIT_DEBUG | |
370 | fprintf(stderr, | |
371 | "OPENSSL_INIT: ossl_init_config: openssl_no_config_internal()\n"); | |
372 | #endif | |
b184e3ef | 373 | openssl_no_config_internal(); |
b184e3ef MC |
374 | config_inited = 1; |
375 | } | |
376 | ||
1288f26f | 377 | #ifndef OPENSSL_NO_ASYNC |
b184e3ef MC |
378 | static OPENSSL_INIT_ONCE async = OPENSSL_INIT_ONCE_STATIC_INIT; |
379 | static int async_inited = 0; | |
380 | static void ossl_init_async(void) | |
381 | { | |
382 | #ifdef OPENSSL_INIT_DEBUG | |
383 | fprintf(stderr, "OPENSSL_INIT: ossl_init_async: async_init()\n"); | |
384 | #endif | |
b184e3ef | 385 | async_init(); |
b184e3ef MC |
386 | async_inited = 1; |
387 | } | |
1288f26f | 388 | #endif |
b184e3ef MC |
389 | |
390 | #ifndef OPENSSL_NO_ENGINE | |
391 | static int engine_inited = 0; | |
392 | static OPENSSL_INIT_ONCE engine_openssl = OPENSSL_INIT_ONCE_STATIC_INIT; | |
393 | static void ossl_init_engine_openssl(void) | |
394 | { | |
395 | # ifdef OPENSSL_INIT_DEBUG | |
396 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_openssl: " | |
397 | "engine_load_openssl_internal()\n"); | |
398 | # endif | |
b184e3ef | 399 | engine_load_openssl_internal(); |
b184e3ef MC |
400 | engine_inited = 1; |
401 | } | |
402 | # if !defined(OPENSSL_NO_HW) && \ | |
403 | (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) | |
404 | static OPENSSL_INIT_ONCE engine_cryptodev = OPENSSL_INIT_ONCE_STATIC_INIT; | |
405 | static void ossl_init_engine_cryptodev(void) | |
406 | { | |
407 | # ifdef OPENSSL_INIT_DEBUG | |
408 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_cryptodev: " | |
409 | "engine_load_cryptodev_internal()\n"); | |
410 | # endif | |
b184e3ef | 411 | engine_load_cryptodev_internal(); |
b184e3ef MC |
412 | engine_inited = 1; |
413 | } | |
414 | # endif | |
415 | ||
416 | # ifndef OPENSSL_NO_RDRAND | |
417 | static OPENSSL_INIT_ONCE engine_rdrand = OPENSSL_INIT_ONCE_STATIC_INIT; | |
418 | static void ossl_init_engine_rdrand(void) | |
419 | { | |
420 | # ifdef OPENSSL_INIT_DEBUG | |
421 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_rdrand: " | |
422 | "engine_load_rdrand_internal()\n"); | |
423 | # endif | |
b184e3ef | 424 | engine_load_rdrand_internal(); |
b184e3ef MC |
425 | engine_inited = 1; |
426 | } | |
427 | # endif | |
428 | static OPENSSL_INIT_ONCE engine_dynamic = OPENSSL_INIT_ONCE_STATIC_INIT; | |
429 | static void ossl_init_engine_dynamic(void) | |
430 | { | |
431 | # ifdef OPENSSL_INIT_DEBUG | |
432 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dynamic: " | |
433 | "engine_load_dynamic_internal()\n"); | |
434 | # endif | |
b184e3ef | 435 | engine_load_dynamic_internal(); |
b184e3ef MC |
436 | engine_inited = 1; |
437 | } | |
438 | # ifndef OPENSSL_NO_STATIC_ENGINE | |
439 | # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) | |
440 | static OPENSSL_INIT_ONCE engine_padlock = OPENSSL_INIT_ONCE_STATIC_INIT; | |
441 | static void ossl_init_engine_padlock(void) | |
442 | { | |
443 | # ifdef OPENSSL_INIT_DEBUG | |
444 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_padlock: " | |
445 | "engine_load_padlock_internal()\n"); | |
446 | # endif | |
b184e3ef | 447 | engine_load_padlock_internal(); |
b184e3ef MC |
448 | engine_inited = 1; |
449 | } | |
450 | # endif | |
451 | # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) | |
452 | static OPENSSL_INIT_ONCE engine_capi = OPENSSL_INIT_ONCE_STATIC_INIT; | |
453 | static void ossl_init_engine_capi(void) | |
454 | { | |
455 | # ifdef OPENSSL_INIT_DEBUG | |
456 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_capi: " | |
457 | "engine_load_capi_internal()\n"); | |
458 | # endif | |
b184e3ef | 459 | engine_load_capi_internal(); |
b184e3ef MC |
460 | engine_inited = 1; |
461 | } | |
462 | # endif | |
463 | static OPENSSL_INIT_ONCE engine_dasync = OPENSSL_INIT_ONCE_STATIC_INIT; | |
464 | static void ossl_init_engine_dasync(void) | |
465 | { | |
466 | # ifdef OPENSSL_INIT_DEBUG | |
467 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dasync: " | |
468 | "engine_load_dasync_internal()\n"); | |
469 | # endif | |
b184e3ef | 470 | engine_load_dasync_internal(); |
b184e3ef MC |
471 | engine_inited = 1; |
472 | } | |
473 | # endif | |
474 | #endif | |
475 | ||
476 | static OPENSSL_INIT_ONCE zlib = OPENSSL_INIT_ONCE_STATIC_INIT; | |
477 | static int zlib_inited = 0; | |
478 | static void ossl_init_zlib(void) | |
479 | { | |
480 | /* Do nothing - we need to know about this for the later cleanup */ | |
481 | zlib_inited = 1; | |
482 | } | |
483 | ||
71567a6f | 484 | static void ossl_init_thread_stop(struct thread_local_inits_st *locals) |
b184e3ef MC |
485 | { |
486 | /* Can't do much about this */ | |
487 | if (locals == NULL) | |
488 | return; | |
489 | ||
1288f26f | 490 | #ifndef OPENSSL_NO_ASYNC |
b184e3ef MC |
491 | if (locals->async) { |
492 | #ifdef OPENSSL_INIT_DEBUG | |
493 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: " | |
494 | "ASYNC_cleanup_thread()\n"); | |
495 | #endif | |
496 | ASYNC_cleanup_thread(); | |
497 | } | |
1288f26f | 498 | #endif |
b184e3ef MC |
499 | |
500 | if (locals->err_state) { | |
501 | #ifdef OPENSSL_INIT_DEBUG | |
502 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: " | |
503 | "ERR_remove_thread_state(NULL)\n"); | |
504 | #endif | |
505 | ERR_remove_thread_state(NULL); | |
506 | } | |
507 | ||
508 | OPENSSL_free(locals); | |
b184e3ef MC |
509 | } |
510 | ||
f672aee4 | 511 | void OPENSSL_thread_stop(void) |
71567a6f MC |
512 | { |
513 | ossl_init_thread_stop( | |
514 | (struct thread_local_inits_st *)ossl_init_get_thread_local(0)); | |
515 | } | |
516 | ||
b184e3ef MC |
517 | int ossl_init_thread_start(uint64_t opts) |
518 | { | |
519 | struct thread_local_inits_st *locals = ossl_init_get_thread_local(1); | |
520 | ||
521 | if (locals == NULL) | |
522 | return 0; | |
523 | ||
524 | if (opts & OPENSSL_INIT_THREAD_ASYNC) { | |
525 | #ifdef OPENSSL_INIT_DEBUG | |
526 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: " | |
527 | "marking thread for async\n"); | |
528 | #endif | |
529 | locals->async = 1; | |
530 | } | |
531 | ||
532 | if (opts & OPENSSL_INIT_THREAD_ERR_STATE) { | |
533 | #ifdef OPENSSL_INIT_DEBUG | |
534 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: " | |
535 | "marking thread for err_state\n"); | |
536 | #endif | |
537 | locals->err_state = 1; | |
538 | } | |
539 | ||
540 | return 1; | |
541 | } | |
542 | ||
f672aee4 | 543 | void OPENSSL_cleanup(void) |
b184e3ef MC |
544 | { |
545 | OPENSSL_INIT_STOP *currhandler, *lasthandler; | |
546 | ||
deca5df2 MC |
547 | /* If we've not been inited then no need to deinit */ |
548 | if (!base_inited) | |
549 | return; | |
550 | ||
dd27f16e RS |
551 | /* Might be explicitly called and also by atexit */ |
552 | if (stopped) | |
553 | return; | |
554 | stopped = 1; | |
555 | ||
b184e3ef MC |
556 | /* |
557 | * Thread stop may not get automatically called by the thread library for | |
558 | * the very last thread in some situations, so call it directly. | |
559 | */ | |
560 | ossl_init_thread_stop(ossl_init_get_thread_local(0)); | |
561 | ||
562 | currhandler = stop_handlers; | |
563 | while (currhandler != NULL) { | |
564 | currhandler->handler(); | |
565 | lasthandler = currhandler; | |
566 | currhandler = currhandler->next; | |
567 | OPENSSL_free(lasthandler); | |
568 | } | |
569 | stop_handlers = NULL; | |
570 | /* | |
571 | * We assume we are single-threaded for this function, i.e. no race | |
572 | * conditions for the various "*_inited" vars below. | |
573 | */ | |
574 | ||
575 | if (zlib_inited) { | |
576 | #ifdef OPENSSL_INIT_DEBUG | |
f672aee4 | 577 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " |
b184e3ef MC |
578 | "COMP_zlib_cleanup()\n"); |
579 | #endif | |
580 | COMP_zlib_cleanup(); | |
b184e3ef MC |
581 | } |
582 | ||
583 | #ifndef OPENSSL_NO_ENGINE | |
584 | if (engine_inited) { | |
585 | # ifdef OPENSSL_INIT_DEBUG | |
f672aee4 | 586 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " |
b184e3ef MC |
587 | "ENGINE_cleanup()\n"); |
588 | # endif | |
589 | ENGINE_cleanup(); | |
b184e3ef MC |
590 | } |
591 | #endif | |
592 | ||
b184e3ef MC |
593 | if (load_crypto_strings_inited) { |
594 | #ifdef OPENSSL_INIT_DEBUG | |
f672aee4 | 595 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " |
b184e3ef MC |
596 | "ERR_free_strings()\n"); |
597 | #endif | |
598 | ERR_free_strings(); | |
b184e3ef MC |
599 | } |
600 | ||
6bc7bad0 MC |
601 | ossl_init_thread_stop_cleanup(); |
602 | ||
b184e3ef | 603 | #ifdef OPENSSL_INIT_DEBUG |
deca5df2 MC |
604 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " |
605 | "CRYPTO_cleanup_all_ex_data()\n"); | |
606 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
607 | "EVP_cleanup()\n"); | |
608 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
609 | "CONF_modules_free()\n"); | |
610 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
611 | "RAND_cleanup()\n"); | |
b184e3ef | 612 | #endif |
deca5df2 MC |
613 | CRYPTO_cleanup_all_ex_data(); |
614 | EVP_cleanup(); | |
615 | CONF_modules_free(); | |
616 | RAND_cleanup(); | |
617 | base_inited = 0; | |
b184e3ef MC |
618 | } |
619 | ||
b184e3ef MC |
620 | /* |
621 | * If this function is called with a non NULL settings value then it must be | |
622 | * called prior to any threads making calls to any OpenSSL functions, | |
623 | * i.e. passing a non-null settings value is assumed to be single-threaded. | |
624 | */ | |
0fc32b07 | 625 | int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings) |
b184e3ef | 626 | { |
302f7588 MC |
627 | static int stoperrset = 0; |
628 | ||
629 | if (stopped) { | |
630 | if (!stoperrset) { | |
631 | /* | |
632 | * We only ever set this once to avoid getting into an infinite | |
633 | * loop where the error system keeps trying to init and fails so | |
634 | * sets an error etc | |
635 | */ | |
636 | stoperrset = 1; | |
a4625290 | 637 | CRYPTOerr(CRYPTO_F_OPENSSL_INIT_CRYPTO, ERR_R_INIT_FAIL); |
302f7588 | 638 | } |
0fc32b07 | 639 | return 0; |
302f7588 | 640 | } |
dd27f16e | 641 | |
b184e3ef MC |
642 | ossl_init_once_run(&base, ossl_init_base); |
643 | ||
644 | if (opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS) | |
645 | ossl_init_once_run(&load_crypto_strings, | |
646 | ossl_init_no_load_crypto_strings); | |
647 | ||
648 | if (opts & OPENSSL_INIT_LOAD_CRYPTO_STRINGS) | |
649 | ossl_init_once_run(&load_crypto_strings, ossl_init_load_crypto_strings); | |
650 | ||
651 | if (opts & OPENSSL_INIT_NO_ADD_ALL_CIPHERS) | |
652 | ossl_init_once_run(&add_all_ciphers, ossl_init_no_add_algs); | |
653 | ||
654 | if (opts & OPENSSL_INIT_ADD_ALL_CIPHERS) | |
655 | ossl_init_once_run(&add_all_ciphers, ossl_init_add_all_ciphers); | |
656 | ||
657 | if (opts & OPENSSL_INIT_NO_ADD_ALL_DIGESTS) | |
658 | ossl_init_once_run(&add_all_digests, ossl_init_no_add_algs); | |
659 | ||
660 | if (opts & OPENSSL_INIT_ADD_ALL_DIGESTS) | |
661 | ossl_init_once_run(&add_all_digests, ossl_init_add_all_digests); | |
662 | ||
663 | if (opts & OPENSSL_INIT_NO_LOAD_CONFIG) { | |
664 | ossl_init_once_run(&config, ossl_init_no_config); | |
665 | } | |
666 | ||
667 | if (opts & OPENSSL_INIT_LOAD_CONFIG) { | |
bf24111b | 668 | CRYPTO_w_lock(CRYPTO_LOCK_INIT); |
7253fd55 | 669 | config_filename = (settings == NULL) ? NULL : settings->config_name; |
b184e3ef | 670 | ossl_init_once_run(&config, ossl_init_config); |
bf24111b | 671 | CRYPTO_w_unlock(CRYPTO_LOCK_INIT); |
b184e3ef MC |
672 | } |
673 | ||
1288f26f | 674 | #ifndef OPENSSL_NO_ASYNC |
b184e3ef MC |
675 | if (opts & OPENSSL_INIT_ASYNC) { |
676 | ossl_init_once_run(&async, ossl_init_async); | |
677 | } | |
1288f26f | 678 | #endif |
b184e3ef MC |
679 | #ifndef OPENSSL_NO_ENGINE |
680 | if (opts & OPENSSL_INIT_ENGINE_OPENSSL) { | |
681 | ossl_init_once_run(&engine_openssl, ossl_init_engine_openssl); | |
682 | } | |
683 | # if !defined(OPENSSL_NO_HW) && \ | |
684 | (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) | |
685 | if (opts & OPENSSL_INIT_ENGINE_CRYPTODEV) { | |
686 | ossl_init_once_run(&engine_cryptodev, ossl_init_engine_cryptodev); | |
687 | } | |
688 | # endif | |
689 | # ifndef OPENSSL_NO_RDRAND | |
690 | if (opts & OPENSSL_INIT_ENGINE_RDRAND) { | |
691 | ossl_init_once_run(&engine_rdrand, ossl_init_engine_rdrand); | |
692 | } | |
693 | # endif | |
694 | if (opts & OPENSSL_INIT_ENGINE_DYNAMIC) { | |
695 | ossl_init_once_run(&engine_dynamic, ossl_init_engine_dynamic); | |
696 | } | |
697 | # ifndef OPENSSL_NO_STATIC_ENGINE | |
698 | # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) | |
699 | if (opts & OPENSSL_INIT_ENGINE_PADLOCK) { | |
700 | ossl_init_once_run(&engine_padlock, ossl_init_engine_padlock); | |
701 | } | |
702 | # endif | |
703 | # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) | |
704 | if (opts & OPENSSL_INIT_ENGINE_CAPI) { | |
705 | ossl_init_once_run(&engine_capi, ossl_init_engine_capi); | |
706 | } | |
707 | # endif | |
708 | if (opts & OPENSSL_INIT_ENGINE_DASYNC) { | |
709 | ossl_init_once_run(&engine_dasync, ossl_init_engine_dasync); | |
710 | } | |
711 | # endif | |
712 | if (opts & (OPENSSL_INIT_ENGINE_ALL_BUILTIN | |
713 | | OPENSSL_INIT_ENGINE_DASYNC | OPENSSL_INIT_ENGINE_OPENSSL)) { | |
714 | ENGINE_register_all_complete(); | |
715 | } | |
716 | #endif | |
717 | ||
718 | if (opts & OPENSSL_INIT_ZLIB) { | |
719 | ossl_init_once_run(&zlib, ossl_init_zlib); | |
720 | } | |
0fc32b07 MC |
721 | |
722 | return 1; | |
b184e3ef MC |
723 | } |
724 | ||
f672aee4 | 725 | int OPENSSL_atexit(void (*handler)(void)) |
b184e3ef MC |
726 | { |
727 | OPENSSL_INIT_STOP *newhand; | |
728 | ||
729 | newhand = OPENSSL_malloc(sizeof(*newhand)); | |
730 | if (newhand == NULL) | |
731 | return 0; | |
732 | ||
733 | newhand->handler = handler; | |
734 | newhand->next = stop_handlers; | |
735 | stop_handlers = newhand; | |
736 | ||
737 | return 1; | |
738 | } | |
739 | ||
740 |