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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> | |
60 | #include <openssl/evp.h> | |
b184e3ef MC |
61 | #include <internal/evp_int.h> |
62 | #include <internal/conf.h> | |
63 | #include <internal/async.h> | |
64 | #include <internal/engine.h> | |
b184e3ef | 65 | #include <openssl/comp.h> |
b184e3ef | 66 | #include <internal/err.h> |
b184e3ef MC |
67 | #include <stdlib.h> |
68 | ||
71567a6f MC |
69 | static void ossl_init_thread_stop(struct thread_local_inits_st *locals); |
70 | ||
b184e3ef MC |
71 | /* Implement "once" functionality */ |
72 | #if !defined(OPENSSL_THREADS) | |
73 | typedef int OPENSSL_INIT_ONCE; | |
74 | # define OPENSSL_INIT_ONCE_STATIC_INIT 0 | |
75 | # define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = 0) | |
76 | ||
77 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
78 | { | |
79 | if (*once == OPENSSL_INIT_ONCE_STATIC_INIT) { | |
80 | *once = 1; | |
81 | init(); | |
82 | } | |
83 | } | |
84 | ||
85 | static int ossl_init_setup_thread_stop(void) | |
86 | { | |
87 | /* | |
88 | * There are no threads to stop. Do nothing. | |
89 | */ | |
90 | return 1; | |
91 | } | |
92 | ||
93 | static void ossl_init_thread_stop_cleanup(void) | |
94 | { | |
95 | } | |
96 | ||
97 | static struct thread_local_inits_st *local = NULL; | |
98 | void *ossl_init_get_thread_local(int alloc) | |
99 | { | |
100 | if (local == NULL && alloc) | |
101 | local = OPENSSL_zalloc(sizeof(*local)); | |
102 | return local; | |
103 | } | |
104 | ||
105 | #elif defined(OPENSSL_SYS_WINDOWS) | |
106 | ||
107 | # include <windows.h> | |
108 | ||
109 | # if _WIN32_WINNT < 0x0600 | |
110 | ||
111 | /* | |
112 | * Versions before 0x0600 (Windows Vista, Windows Server 2008 or later) do not | |
113 | * have InitOnceExecuteOnce, so we fall back to using a spinlock instead. | |
114 | */ | |
115 | typedef LONG OPENSSL_INIT_ONCE; | |
116 | # define OPENSSL_INIT_ONCE_STATIC_INIT 0 | |
117 | # define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = 0) | |
118 | ||
119 | # define ONCE_UNINITED 0 | |
120 | # define ONCE_ININIT 1 | |
121 | # define ONCE_DONE 2 | |
122 | ||
123 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
124 | { | |
125 | LONG volatile *lock = (LONG *)once; | |
126 | LONG result; | |
127 | ||
128 | if (*lock == ONCE_DONE) | |
129 | return; | |
130 | ||
131 | do { | |
132 | result = InterlockedCompareExchange(lock, ONCE_ININIT, ONCE_UNINITED); | |
133 | if (result == ONCE_UNINITED) { | |
134 | init(); | |
135 | *lock = ONCE_DONE; | |
136 | return; | |
137 | } | |
138 | } while (result == ONCE_ININIT); | |
139 | } | |
140 | ||
141 | # else | |
142 | ||
143 | typedef INIT_ONCE OPENSSL_INIT_ONCE; | |
144 | # define OPENSSL_INIT_ONCE_STATIC_INIT INIT_ONCE_STATIC_INIT | |
145 | # define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) \ | |
146 | InitOnceInitialize((PINIT_ONCE)(once)) | |
147 | ||
148 | static BOOL CALLBACK once_cb(PINIT_ONCE once, PVOID initfp, PVOID *unused) | |
149 | { | |
150 | void (*init)(void) = initfp; | |
151 | ||
152 | init(); | |
153 | ||
154 | return TRUE; | |
155 | } | |
156 | ||
157 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
158 | { | |
159 | InitOnceExecuteOnce((INIT_ONCE *)once, once_cb, init, NULL); | |
160 | } | |
161 | # endif | |
162 | ||
163 | DWORD threadstopkey = TLS_OUT_OF_INDEXES; | |
164 | ||
165 | static int ossl_init_setup_thread_stop(void) | |
166 | { | |
167 | /* | |
168 | * We use a dummy thread local key here. We use the destructor to detect | |
169 | * when the thread is going to stop | |
170 | */ | |
171 | threadstopkey = TlsAlloc(); | |
172 | if (threadstopkey == TLS_OUT_OF_INDEXES) | |
173 | return 0; | |
174 | ||
175 | return 1; | |
176 | } | |
177 | ||
178 | static void ossl_init_thread_stop_cleanup(void) | |
179 | { | |
180 | if (threadstopkey != TLS_OUT_OF_INDEXES) { | |
181 | TlsFree(threadstopkey); | |
182 | } | |
183 | } | |
184 | ||
185 | void *ossl_init_get_thread_local(int alloc) | |
186 | { | |
187 | struct thread_local_inits_st *local = TlsGetValue(threadstopkey); | |
188 | ||
189 | if (local == NULL && alloc) { | |
190 | local = OPENSSL_zalloc(sizeof *local); | |
191 | TlsSetValue(threadstopkey, local); | |
192 | } | |
193 | ||
194 | return local; | |
195 | } | |
196 | ||
197 | #else /* pthreads */ | |
198 | # include <pthread.h> | |
199 | ||
200 | pthread_key_t threadstopkey; | |
201 | ||
202 | typedef pthread_once_t OPENSSL_INIT_ONCE; | |
203 | # define OPENSSL_INIT_ONCE_STATIC_INIT PTHREAD_ONCE_INIT | |
204 | # define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = PTHREAD_ONCE_INIT) | |
205 | ||
206 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
207 | { | |
208 | pthread_once(once, init); | |
209 | } | |
210 | ||
211 | static void ossl_init_thread_stop_wrap(void *local) | |
212 | { | |
213 | ossl_init_thread_stop((struct thread_local_inits_st *)local); | |
214 | } | |
215 | ||
216 | static int ossl_init_setup_thread_stop(void) | |
217 | { | |
218 | /* | |
219 | * We use a dummy thread local key here. We use the destructor to detect | |
220 | * when the thread is going to stop | |
221 | */ | |
222 | return (pthread_key_create(&threadstopkey, | |
223 | ossl_init_thread_stop_wrap) == 0); | |
224 | } | |
225 | ||
226 | static void ossl_init_thread_stop_cleanup(void) | |
227 | { | |
228 | } | |
229 | ||
230 | void *ossl_init_get_thread_local(int alloc) | |
231 | { | |
232 | struct thread_local_inits_st *local = pthread_getspecific(threadstopkey); | |
233 | ||
234 | if (local == NULL && alloc) { | |
235 | local = OPENSSL_zalloc(sizeof *local); | |
236 | pthread_setspecific(threadstopkey, local); | |
237 | } | |
238 | ||
239 | return local; | |
240 | } | |
241 | ||
242 | #endif | |
243 | ||
244 | struct ossl_init_stop_st { | |
245 | void (*handler)(void); | |
246 | OPENSSL_INIT_STOP *next; | |
247 | }; | |
248 | ||
249 | static OPENSSL_INIT_STOP *stop_handlers = NULL; | |
250 | ||
251 | static OPENSSL_INIT_ONCE base = OPENSSL_INIT_ONCE_STATIC_INIT; | |
252 | static int base_inited = 0; | |
253 | static void ossl_init_base(void) | |
254 | { | |
255 | #ifdef OPENSSL_INIT_DEBUG | |
256 | fprintf(stderr, "OPENSSL_INIT: ossl_init_base: Setting up stop handlers\n"); | |
257 | #endif | |
258 | ossl_init_setup_thread_stop(); | |
259 | atexit(OPENSSL_INIT_library_stop); | |
260 | OPENSSL_cpuid_setup(); | |
261 | base_inited = 1; | |
262 | } | |
263 | ||
264 | static OPENSSL_INIT_ONCE load_crypto_strings = OPENSSL_INIT_ONCE_STATIC_INIT; | |
265 | static int load_crypto_strings_inited = 0; | |
266 | static void ossl_init_no_load_crypto_strings(void) | |
267 | { | |
268 | /* Do nothing in this case */ | |
269 | return; | |
270 | } | |
271 | ||
272 | static void ossl_init_load_crypto_strings(void) | |
273 | { | |
498abff0 MC |
274 | /* |
275 | * OPENSSL_NO_AUTOERRINIT is provided here to prevent at compile time | |
276 | * pulling in all the error strings during static linking | |
277 | */ | |
278 | #if !defined(OPENSSL_NO_ERR) && !defined(OPENSSL_NO_AUTOERRINIT) | |
b184e3ef MC |
279 | # ifdef OPENSSL_INIT_DEBUG |
280 | fprintf(stderr, "OPENSSL_INIT: ossl_init_load_crypto_strings: " | |
281 | "err_load_crypto_strings_intern()\n"); | |
282 | # endif | |
b184e3ef | 283 | err_load_crypto_strings_intern(); |
b184e3ef MC |
284 | #endif |
285 | load_crypto_strings_inited = 1; | |
286 | } | |
287 | ||
288 | static OPENSSL_INIT_ONCE add_all_ciphers = OPENSSL_INIT_ONCE_STATIC_INIT; | |
289 | static void ossl_init_add_all_ciphers(void) | |
290 | { | |
291 | /* | |
292 | * OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time | |
293 | * pulling in all the ciphers during static linking | |
294 | */ | |
295 | #ifndef OPENSSL_NO_AUTOALGINIT | |
296 | # ifdef OPENSSL_INIT_DEBUG | |
297 | fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_ciphers: " | |
298 | "openssl_add_all_ciphers_internal()\n"); | |
299 | # endif | |
b184e3ef | 300 | openssl_add_all_ciphers_internal(); |
b184e3ef MC |
301 | # ifndef OPENSSL_NO_ENGINE |
302 | # if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV) | |
303 | ENGINE_setup_bsd_cryptodev(); | |
304 | # endif | |
305 | # endif | |
306 | #endif | |
307 | } | |
308 | ||
309 | static OPENSSL_INIT_ONCE add_all_digests = OPENSSL_INIT_ONCE_STATIC_INIT; | |
310 | static void ossl_init_add_all_digests(void) | |
311 | { | |
312 | /* | |
313 | * OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time | |
314 | * pulling in all the ciphers during static linking | |
315 | */ | |
316 | #ifndef OPENSSL_NO_AUTOALGINIT | |
317 | # ifdef OPENSSL_INIT_DEBUG | |
318 | fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_digests: " | |
319 | "openssl_add_all_digests_internal()\n"); | |
320 | # endif | |
b184e3ef | 321 | openssl_add_all_digests_internal(); |
b184e3ef MC |
322 | # ifndef OPENSSL_NO_ENGINE |
323 | # if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV) | |
324 | ENGINE_setup_bsd_cryptodev(); | |
325 | # endif | |
326 | # endif | |
327 | #endif | |
328 | } | |
329 | ||
330 | static void ossl_init_no_add_algs(void) | |
331 | { | |
332 | /* Do nothing */ | |
333 | return; | |
334 | } | |
335 | ||
336 | static OPENSSL_INIT_ONCE config = OPENSSL_INIT_ONCE_STATIC_INIT; | |
337 | static int config_inited = 0; | |
338 | static const char *config_filename; | |
339 | static void ossl_init_config(void) | |
340 | { | |
341 | #ifdef OPENSSL_INIT_DEBUG | |
342 | fprintf(stderr, | |
343 | "OPENSSL_INIT: ossl_init_config: openssl_config_internal(%s)\n", | |
344 | config_filename==NULL?"NULL":config_filename); | |
345 | #endif | |
b184e3ef | 346 | openssl_config_internal(config_filename); |
b184e3ef MC |
347 | config_inited = 1; |
348 | } | |
349 | static void ossl_init_no_config(void) | |
350 | { | |
351 | #ifdef OPENSSL_INIT_DEBUG | |
352 | fprintf(stderr, | |
353 | "OPENSSL_INIT: ossl_init_config: openssl_no_config_internal()\n"); | |
354 | #endif | |
b184e3ef | 355 | openssl_no_config_internal(); |
b184e3ef MC |
356 | config_inited = 1; |
357 | } | |
358 | ||
359 | static OPENSSL_INIT_ONCE async = OPENSSL_INIT_ONCE_STATIC_INIT; | |
360 | static int async_inited = 0; | |
361 | static void ossl_init_async(void) | |
362 | { | |
363 | #ifdef OPENSSL_INIT_DEBUG | |
364 | fprintf(stderr, "OPENSSL_INIT: ossl_init_async: async_init()\n"); | |
365 | #endif | |
b184e3ef | 366 | async_init(); |
b184e3ef MC |
367 | async_inited = 1; |
368 | } | |
369 | ||
370 | #ifndef OPENSSL_NO_ENGINE | |
371 | static int engine_inited = 0; | |
372 | static OPENSSL_INIT_ONCE engine_openssl = OPENSSL_INIT_ONCE_STATIC_INIT; | |
373 | static void ossl_init_engine_openssl(void) | |
374 | { | |
375 | # ifdef OPENSSL_INIT_DEBUG | |
376 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_openssl: " | |
377 | "engine_load_openssl_internal()\n"); | |
378 | # endif | |
b184e3ef | 379 | engine_load_openssl_internal(); |
b184e3ef MC |
380 | engine_inited = 1; |
381 | } | |
382 | # if !defined(OPENSSL_NO_HW) && \ | |
383 | (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) | |
384 | static OPENSSL_INIT_ONCE engine_cryptodev = OPENSSL_INIT_ONCE_STATIC_INIT; | |
385 | static void ossl_init_engine_cryptodev(void) | |
386 | { | |
387 | # ifdef OPENSSL_INIT_DEBUG | |
388 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_cryptodev: " | |
389 | "engine_load_cryptodev_internal()\n"); | |
390 | # endif | |
b184e3ef | 391 | engine_load_cryptodev_internal(); |
b184e3ef MC |
392 | engine_inited = 1; |
393 | } | |
394 | # endif | |
395 | ||
396 | # ifndef OPENSSL_NO_RDRAND | |
397 | static OPENSSL_INIT_ONCE engine_rdrand = OPENSSL_INIT_ONCE_STATIC_INIT; | |
398 | static void ossl_init_engine_rdrand(void) | |
399 | { | |
400 | # ifdef OPENSSL_INIT_DEBUG | |
401 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_rdrand: " | |
402 | "engine_load_rdrand_internal()\n"); | |
403 | # endif | |
b184e3ef | 404 | engine_load_rdrand_internal(); |
b184e3ef MC |
405 | engine_inited = 1; |
406 | } | |
407 | # endif | |
408 | static OPENSSL_INIT_ONCE engine_dynamic = OPENSSL_INIT_ONCE_STATIC_INIT; | |
409 | static void ossl_init_engine_dynamic(void) | |
410 | { | |
411 | # ifdef OPENSSL_INIT_DEBUG | |
412 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dynamic: " | |
413 | "engine_load_dynamic_internal()\n"); | |
414 | # endif | |
b184e3ef | 415 | engine_load_dynamic_internal(); |
b184e3ef MC |
416 | engine_inited = 1; |
417 | } | |
418 | # ifndef OPENSSL_NO_STATIC_ENGINE | |
419 | # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) | |
420 | static OPENSSL_INIT_ONCE engine_padlock = OPENSSL_INIT_ONCE_STATIC_INIT; | |
421 | static void ossl_init_engine_padlock(void) | |
422 | { | |
423 | # ifdef OPENSSL_INIT_DEBUG | |
424 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_padlock: " | |
425 | "engine_load_padlock_internal()\n"); | |
426 | # endif | |
b184e3ef | 427 | engine_load_padlock_internal(); |
b184e3ef MC |
428 | engine_inited = 1; |
429 | } | |
430 | # endif | |
431 | # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) | |
432 | static OPENSSL_INIT_ONCE engine_capi = OPENSSL_INIT_ONCE_STATIC_INIT; | |
433 | static void ossl_init_engine_capi(void) | |
434 | { | |
435 | # ifdef OPENSSL_INIT_DEBUG | |
436 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_capi: " | |
437 | "engine_load_capi_internal()\n"); | |
438 | # endif | |
b184e3ef | 439 | engine_load_capi_internal(); |
b184e3ef MC |
440 | engine_inited = 1; |
441 | } | |
442 | # endif | |
443 | static OPENSSL_INIT_ONCE engine_dasync = OPENSSL_INIT_ONCE_STATIC_INIT; | |
444 | static void ossl_init_engine_dasync(void) | |
445 | { | |
446 | # ifdef OPENSSL_INIT_DEBUG | |
447 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dasync: " | |
448 | "engine_load_dasync_internal()\n"); | |
449 | # endif | |
b184e3ef | 450 | engine_load_dasync_internal(); |
b184e3ef MC |
451 | engine_inited = 1; |
452 | } | |
453 | # endif | |
454 | #endif | |
455 | ||
456 | static OPENSSL_INIT_ONCE zlib = OPENSSL_INIT_ONCE_STATIC_INIT; | |
457 | static int zlib_inited = 0; | |
458 | static void ossl_init_zlib(void) | |
459 | { | |
460 | /* Do nothing - we need to know about this for the later cleanup */ | |
461 | zlib_inited = 1; | |
462 | } | |
463 | ||
71567a6f | 464 | static void ossl_init_thread_stop(struct thread_local_inits_st *locals) |
b184e3ef MC |
465 | { |
466 | /* Can't do much about this */ | |
467 | if (locals == NULL) | |
468 | return; | |
469 | ||
470 | if (locals->async) { | |
471 | #ifdef OPENSSL_INIT_DEBUG | |
472 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: " | |
473 | "ASYNC_cleanup_thread()\n"); | |
474 | #endif | |
475 | ASYNC_cleanup_thread(); | |
476 | } | |
477 | ||
478 | if (locals->err_state) { | |
479 | #ifdef OPENSSL_INIT_DEBUG | |
480 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: " | |
481 | "ERR_remove_thread_state(NULL)\n"); | |
482 | #endif | |
483 | ERR_remove_thread_state(NULL); | |
484 | } | |
485 | ||
486 | OPENSSL_free(locals); | |
487 | ossl_init_thread_stop_cleanup(); | |
488 | } | |
489 | ||
71567a6f MC |
490 | void OPENSSL_INIT_thread_stop(void) |
491 | { | |
492 | ossl_init_thread_stop( | |
493 | (struct thread_local_inits_st *)ossl_init_get_thread_local(0)); | |
494 | } | |
495 | ||
b184e3ef MC |
496 | int ossl_init_thread_start(uint64_t opts) |
497 | { | |
498 | struct thread_local_inits_st *locals = ossl_init_get_thread_local(1); | |
499 | ||
500 | if (locals == NULL) | |
501 | return 0; | |
502 | ||
503 | if (opts & OPENSSL_INIT_THREAD_ASYNC) { | |
504 | #ifdef OPENSSL_INIT_DEBUG | |
505 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: " | |
506 | "marking thread for async\n"); | |
507 | #endif | |
508 | locals->async = 1; | |
509 | } | |
510 | ||
511 | if (opts & OPENSSL_INIT_THREAD_ERR_STATE) { | |
512 | #ifdef OPENSSL_INIT_DEBUG | |
513 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: " | |
514 | "marking thread for err_state\n"); | |
515 | #endif | |
516 | locals->err_state = 1; | |
517 | } | |
518 | ||
519 | return 1; | |
520 | } | |
521 | ||
522 | void OPENSSL_INIT_library_stop(void) | |
523 | { | |
524 | OPENSSL_INIT_STOP *currhandler, *lasthandler; | |
525 | ||
526 | /* | |
527 | * Thread stop may not get automatically called by the thread library for | |
528 | * the very last thread in some situations, so call it directly. | |
529 | */ | |
530 | ossl_init_thread_stop(ossl_init_get_thread_local(0)); | |
531 | ||
532 | currhandler = stop_handlers; | |
533 | while (currhandler != NULL) { | |
534 | currhandler->handler(); | |
535 | lasthandler = currhandler; | |
536 | currhandler = currhandler->next; | |
537 | OPENSSL_free(lasthandler); | |
538 | } | |
539 | stop_handlers = NULL; | |
540 | /* | |
541 | * We assume we are single-threaded for this function, i.e. no race | |
542 | * conditions for the various "*_inited" vars below. | |
543 | */ | |
544 | ||
545 | if (zlib_inited) { | |
546 | #ifdef OPENSSL_INIT_DEBUG | |
547 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
548 | "COMP_zlib_cleanup()\n"); | |
549 | #endif | |
550 | COMP_zlib_cleanup(); | |
551 | zlib_inited = 0; | |
552 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&zlib); | |
553 | } | |
554 | ||
555 | #ifndef OPENSSL_NO_ENGINE | |
556 | if (engine_inited) { | |
557 | # ifdef OPENSSL_INIT_DEBUG | |
558 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
559 | "ENGINE_cleanup()\n"); | |
560 | # endif | |
561 | ENGINE_cleanup(); | |
562 | engine_inited = 0; | |
563 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_openssl); | |
564 | # if !defined(OPENSSL_NO_HW) && \ | |
565 | (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) | |
566 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_cryptodev); | |
567 | # endif | |
568 | # ifndef OPENSSL_NO_RDRAND | |
569 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_rdrand); | |
570 | # endif | |
571 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_dynamic); | |
572 | # ifndef OPENSSL_NO_STATIC_ENGINE | |
573 | # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) | |
574 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_padlock); | |
575 | # endif | |
576 | # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) | |
577 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_capi); | |
578 | # endif | |
579 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_dasync); | |
580 | # endif | |
581 | } | |
582 | #endif | |
583 | ||
584 | async_inited = 0; | |
585 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&async); | |
586 | ||
587 | config_inited = 0; | |
588 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&config); | |
589 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&add_all_ciphers); | |
590 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&add_all_digests); | |
591 | ||
592 | if (load_crypto_strings_inited) { | |
593 | #ifdef OPENSSL_INIT_DEBUG | |
594 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
595 | "ERR_free_strings()\n"); | |
596 | #endif | |
597 | ERR_free_strings(); | |
598 | load_crypto_strings_inited = 0; | |
599 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&load_crypto_strings); | |
600 | } | |
601 | ||
602 | if (base_inited) { | |
603 | #ifdef OPENSSL_INIT_DEBUG | |
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"); | |
612 | #endif | |
613 | CRYPTO_cleanup_all_ex_data(); | |
614 | EVP_cleanup(); | |
615 | CONF_modules_free(); | |
616 | RAND_cleanup(); | |
617 | base_inited = 0; | |
618 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&base); | |
619 | } | |
620 | } | |
621 | ||
622 | static const OPENSSL_INIT_SETTINGS *ossl_init_get_setting( | |
623 | const OPENSSL_INIT_SETTINGS *settings, int name) | |
624 | { | |
625 | if (settings == NULL) | |
626 | return NULL; | |
627 | ||
628 | while (settings->name != OPENSSL_INIT_SET_END) { | |
629 | if (settings->name == name) | |
630 | return settings; | |
631 | settings++; | |
632 | } | |
633 | ||
634 | return NULL; | |
635 | } | |
636 | ||
637 | /* | |
638 | * If this function is called with a non NULL settings value then it must be | |
639 | * called prior to any threads making calls to any OpenSSL functions, | |
640 | * i.e. passing a non-null settings value is assumed to be single-threaded. | |
641 | */ | |
642 | void OPENSSL_INIT_crypto_library_start(uint64_t opts, | |
643 | const OPENSSL_INIT_SETTINGS *settings) | |
644 | { | |
645 | ossl_init_once_run(&base, ossl_init_base); | |
646 | ||
647 | if (opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS) | |
648 | ossl_init_once_run(&load_crypto_strings, | |
649 | ossl_init_no_load_crypto_strings); | |
650 | ||
651 | if (opts & OPENSSL_INIT_LOAD_CRYPTO_STRINGS) | |
652 | ossl_init_once_run(&load_crypto_strings, ossl_init_load_crypto_strings); | |
653 | ||
654 | if (opts & OPENSSL_INIT_NO_ADD_ALL_CIPHERS) | |
655 | ossl_init_once_run(&add_all_ciphers, ossl_init_no_add_algs); | |
656 | ||
657 | if (opts & OPENSSL_INIT_ADD_ALL_CIPHERS) | |
658 | ossl_init_once_run(&add_all_ciphers, ossl_init_add_all_ciphers); | |
659 | ||
660 | if (opts & OPENSSL_INIT_NO_ADD_ALL_DIGESTS) | |
661 | ossl_init_once_run(&add_all_digests, ossl_init_no_add_algs); | |
662 | ||
663 | if (opts & OPENSSL_INIT_ADD_ALL_DIGESTS) | |
664 | ossl_init_once_run(&add_all_digests, ossl_init_add_all_digests); | |
665 | ||
666 | if (opts & OPENSSL_INIT_NO_LOAD_CONFIG) { | |
667 | ossl_init_once_run(&config, ossl_init_no_config); | |
668 | } | |
669 | ||
670 | if (opts & OPENSSL_INIT_LOAD_CONFIG) { | |
bf24111b | 671 | CRYPTO_w_lock(CRYPTO_LOCK_INIT); |
b184e3ef MC |
672 | if (settings != NULL) { |
673 | const OPENSSL_INIT_SETTINGS *curr; | |
674 | curr = ossl_init_get_setting(settings, | |
675 | OPENSSL_INIT_SET_CONF_FILENAME); | |
bf24111b MC |
676 | config_filename = (curr == NULL) ? NULL : curr->value.type_string; |
677 | } else { | |
678 | config_filename = NULL; | |
b184e3ef MC |
679 | } |
680 | ossl_init_once_run(&config, ossl_init_config); | |
bf24111b | 681 | CRYPTO_w_unlock(CRYPTO_LOCK_INIT); |
b184e3ef MC |
682 | } |
683 | ||
684 | if (opts & OPENSSL_INIT_ASYNC) { | |
685 | ossl_init_once_run(&async, ossl_init_async); | |
686 | } | |
687 | ||
688 | #ifndef OPENSSL_NO_ENGINE | |
689 | if (opts & OPENSSL_INIT_ENGINE_OPENSSL) { | |
690 | ossl_init_once_run(&engine_openssl, ossl_init_engine_openssl); | |
691 | } | |
692 | # if !defined(OPENSSL_NO_HW) && \ | |
693 | (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) | |
694 | if (opts & OPENSSL_INIT_ENGINE_CRYPTODEV) { | |
695 | ossl_init_once_run(&engine_cryptodev, ossl_init_engine_cryptodev); | |
696 | } | |
697 | # endif | |
698 | # ifndef OPENSSL_NO_RDRAND | |
699 | if (opts & OPENSSL_INIT_ENGINE_RDRAND) { | |
700 | ossl_init_once_run(&engine_rdrand, ossl_init_engine_rdrand); | |
701 | } | |
702 | # endif | |
703 | if (opts & OPENSSL_INIT_ENGINE_DYNAMIC) { | |
704 | ossl_init_once_run(&engine_dynamic, ossl_init_engine_dynamic); | |
705 | } | |
706 | # ifndef OPENSSL_NO_STATIC_ENGINE | |
707 | # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) | |
708 | if (opts & OPENSSL_INIT_ENGINE_PADLOCK) { | |
709 | ossl_init_once_run(&engine_padlock, ossl_init_engine_padlock); | |
710 | } | |
711 | # endif | |
712 | # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) | |
713 | if (opts & OPENSSL_INIT_ENGINE_CAPI) { | |
714 | ossl_init_once_run(&engine_capi, ossl_init_engine_capi); | |
715 | } | |
716 | # endif | |
717 | if (opts & OPENSSL_INIT_ENGINE_DASYNC) { | |
718 | ossl_init_once_run(&engine_dasync, ossl_init_engine_dasync); | |
719 | } | |
720 | # endif | |
721 | if (opts & (OPENSSL_INIT_ENGINE_ALL_BUILTIN | |
722 | | OPENSSL_INIT_ENGINE_DASYNC | OPENSSL_INIT_ENGINE_OPENSSL)) { | |
723 | ENGINE_register_all_complete(); | |
724 | } | |
725 | #endif | |
726 | ||
727 | if (opts & OPENSSL_INIT_ZLIB) { | |
728 | ossl_init_once_run(&zlib, ossl_init_zlib); | |
729 | } | |
730 | } | |
731 | ||
732 | int OPENSSL_INIT_register_stop_handler(void (*handler)(void)) | |
733 | { | |
734 | OPENSSL_INIT_STOP *newhand; | |
735 | ||
736 | newhand = OPENSSL_malloc(sizeof(*newhand)); | |
737 | if (newhand == NULL) | |
738 | return 0; | |
739 | ||
740 | newhand->handler = handler; | |
741 | newhand->next = stop_handlers; | |
742 | stop_handlers = newhand; | |
743 | ||
744 | return 1; | |
745 | } | |
746 | ||
747 |