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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 | ||
58 | #include <openssl/e_os2.h> | |
59 | ||
60 | #if defined(OPENSSL_SYS_WINDOWS) && !defined(_WIN32_WINNT) | |
61 | /* | |
62 | * We default to requiring Windows Vista, Windows Server 2008 or later. We can | |
63 | * support lower versions if _WIN32_WINNT is explicity defined to something | |
64 | * less | |
65 | */ | |
66 | # define _WIN32_WINNT 0x0600 | |
67 | #endif | |
68 | ||
69 | #include <internal/cryptlib_int.h> | |
70 | #include <openssl/err.h> | |
71 | #include <openssl/evp.h> | |
b184e3ef MC |
72 | #include <internal/evp_int.h> |
73 | #include <internal/conf.h> | |
74 | #include <internal/async.h> | |
75 | #include <internal/engine.h> | |
b184e3ef | 76 | #include <openssl/comp.h> |
b184e3ef | 77 | #include <internal/err.h> |
b184e3ef MC |
78 | #include <stdlib.h> |
79 | ||
71567a6f MC |
80 | static void ossl_init_thread_stop(struct thread_local_inits_st *locals); |
81 | ||
b184e3ef MC |
82 | /* Implement "once" functionality */ |
83 | #if !defined(OPENSSL_THREADS) | |
84 | typedef int OPENSSL_INIT_ONCE; | |
85 | # define OPENSSL_INIT_ONCE_STATIC_INIT 0 | |
86 | # define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = 0) | |
87 | ||
88 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
89 | { | |
90 | if (*once == OPENSSL_INIT_ONCE_STATIC_INIT) { | |
91 | *once = 1; | |
92 | init(); | |
93 | } | |
94 | } | |
95 | ||
96 | static int ossl_init_setup_thread_stop(void) | |
97 | { | |
98 | /* | |
99 | * There are no threads to stop. Do nothing. | |
100 | */ | |
101 | return 1; | |
102 | } | |
103 | ||
104 | static void ossl_init_thread_stop_cleanup(void) | |
105 | { | |
106 | } | |
107 | ||
108 | static struct thread_local_inits_st *local = NULL; | |
109 | void *ossl_init_get_thread_local(int alloc) | |
110 | { | |
111 | if (local == NULL && alloc) | |
112 | local = OPENSSL_zalloc(sizeof(*local)); | |
113 | return local; | |
114 | } | |
115 | ||
116 | #elif defined(OPENSSL_SYS_WINDOWS) | |
117 | ||
118 | # include <windows.h> | |
119 | ||
120 | # if _WIN32_WINNT < 0x0600 | |
121 | ||
122 | /* | |
123 | * Versions before 0x0600 (Windows Vista, Windows Server 2008 or later) do not | |
124 | * have InitOnceExecuteOnce, so we fall back to using a spinlock instead. | |
125 | */ | |
126 | typedef LONG OPENSSL_INIT_ONCE; | |
127 | # define OPENSSL_INIT_ONCE_STATIC_INIT 0 | |
128 | # define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = 0) | |
129 | ||
130 | # define ONCE_UNINITED 0 | |
131 | # define ONCE_ININIT 1 | |
132 | # define ONCE_DONE 2 | |
133 | ||
134 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
135 | { | |
136 | LONG volatile *lock = (LONG *)once; | |
137 | LONG result; | |
138 | ||
139 | if (*lock == ONCE_DONE) | |
140 | return; | |
141 | ||
142 | do { | |
143 | result = InterlockedCompareExchange(lock, ONCE_ININIT, ONCE_UNINITED); | |
144 | if (result == ONCE_UNINITED) { | |
145 | init(); | |
146 | *lock = ONCE_DONE; | |
147 | return; | |
148 | } | |
149 | } while (result == ONCE_ININIT); | |
150 | } | |
151 | ||
152 | # else | |
153 | ||
154 | typedef INIT_ONCE OPENSSL_INIT_ONCE; | |
155 | # define OPENSSL_INIT_ONCE_STATIC_INIT INIT_ONCE_STATIC_INIT | |
156 | # define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) \ | |
157 | InitOnceInitialize((PINIT_ONCE)(once)) | |
158 | ||
159 | static BOOL CALLBACK once_cb(PINIT_ONCE once, PVOID initfp, PVOID *unused) | |
160 | { | |
161 | void (*init)(void) = initfp; | |
162 | ||
163 | init(); | |
164 | ||
165 | return TRUE; | |
166 | } | |
167 | ||
168 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
169 | { | |
170 | InitOnceExecuteOnce((INIT_ONCE *)once, once_cb, init, NULL); | |
171 | } | |
172 | # endif | |
173 | ||
174 | DWORD threadstopkey = TLS_OUT_OF_INDEXES; | |
175 | ||
176 | static int ossl_init_setup_thread_stop(void) | |
177 | { | |
178 | /* | |
179 | * We use a dummy thread local key here. We use the destructor to detect | |
180 | * when the thread is going to stop | |
181 | */ | |
182 | threadstopkey = TlsAlloc(); | |
183 | if (threadstopkey == TLS_OUT_OF_INDEXES) | |
184 | return 0; | |
185 | ||
186 | return 1; | |
187 | } | |
188 | ||
189 | static void ossl_init_thread_stop_cleanup(void) | |
190 | { | |
191 | if (threadstopkey != TLS_OUT_OF_INDEXES) { | |
192 | TlsFree(threadstopkey); | |
193 | } | |
194 | } | |
195 | ||
196 | void *ossl_init_get_thread_local(int alloc) | |
197 | { | |
198 | struct thread_local_inits_st *local = TlsGetValue(threadstopkey); | |
199 | ||
200 | if (local == NULL && alloc) { | |
201 | local = OPENSSL_zalloc(sizeof *local); | |
202 | TlsSetValue(threadstopkey, local); | |
203 | } | |
204 | ||
205 | return local; | |
206 | } | |
207 | ||
208 | #else /* pthreads */ | |
209 | # include <pthread.h> | |
210 | ||
211 | pthread_key_t threadstopkey; | |
212 | ||
213 | typedef pthread_once_t OPENSSL_INIT_ONCE; | |
214 | # define OPENSSL_INIT_ONCE_STATIC_INIT PTHREAD_ONCE_INIT | |
215 | # define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = PTHREAD_ONCE_INIT) | |
216 | ||
217 | static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) | |
218 | { | |
219 | pthread_once(once, init); | |
220 | } | |
221 | ||
222 | static void ossl_init_thread_stop_wrap(void *local) | |
223 | { | |
224 | ossl_init_thread_stop((struct thread_local_inits_st *)local); | |
225 | } | |
226 | ||
227 | static int ossl_init_setup_thread_stop(void) | |
228 | { | |
229 | /* | |
230 | * We use a dummy thread local key here. We use the destructor to detect | |
231 | * when the thread is going to stop | |
232 | */ | |
233 | return (pthread_key_create(&threadstopkey, | |
234 | ossl_init_thread_stop_wrap) == 0); | |
235 | } | |
236 | ||
237 | static void ossl_init_thread_stop_cleanup(void) | |
238 | { | |
239 | } | |
240 | ||
241 | void *ossl_init_get_thread_local(int alloc) | |
242 | { | |
243 | struct thread_local_inits_st *local = pthread_getspecific(threadstopkey); | |
244 | ||
245 | if (local == NULL && alloc) { | |
246 | local = OPENSSL_zalloc(sizeof *local); | |
247 | pthread_setspecific(threadstopkey, local); | |
248 | } | |
249 | ||
250 | return local; | |
251 | } | |
252 | ||
253 | #endif | |
254 | ||
255 | struct ossl_init_stop_st { | |
256 | void (*handler)(void); | |
257 | OPENSSL_INIT_STOP *next; | |
258 | }; | |
259 | ||
260 | static OPENSSL_INIT_STOP *stop_handlers = NULL; | |
261 | ||
262 | static OPENSSL_INIT_ONCE base = OPENSSL_INIT_ONCE_STATIC_INIT; | |
263 | static int base_inited = 0; | |
264 | static void ossl_init_base(void) | |
265 | { | |
266 | #ifdef OPENSSL_INIT_DEBUG | |
267 | fprintf(stderr, "OPENSSL_INIT: ossl_init_base: Setting up stop handlers\n"); | |
268 | #endif | |
269 | ossl_init_setup_thread_stop(); | |
270 | atexit(OPENSSL_INIT_library_stop); | |
271 | OPENSSL_cpuid_setup(); | |
272 | base_inited = 1; | |
273 | } | |
274 | ||
275 | static OPENSSL_INIT_ONCE load_crypto_strings = OPENSSL_INIT_ONCE_STATIC_INIT; | |
276 | static int load_crypto_strings_inited = 0; | |
277 | static void ossl_init_no_load_crypto_strings(void) | |
278 | { | |
279 | /* Do nothing in this case */ | |
280 | return; | |
281 | } | |
282 | ||
283 | static void ossl_init_load_crypto_strings(void) | |
284 | { | |
285 | #ifndef OPENSSL_NO_ERR | |
286 | # ifdef OPENSSL_INIT_DEBUG | |
287 | fprintf(stderr, "OPENSSL_INIT: ossl_init_load_crypto_strings: " | |
288 | "err_load_crypto_strings_intern()\n"); | |
289 | # endif | |
b184e3ef | 290 | err_load_crypto_strings_intern(); |
b184e3ef MC |
291 | #endif |
292 | load_crypto_strings_inited = 1; | |
293 | } | |
294 | ||
295 | static OPENSSL_INIT_ONCE add_all_ciphers = OPENSSL_INIT_ONCE_STATIC_INIT; | |
296 | static void ossl_init_add_all_ciphers(void) | |
297 | { | |
298 | /* | |
299 | * OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time | |
300 | * pulling in all the ciphers during static linking | |
301 | */ | |
302 | #ifndef OPENSSL_NO_AUTOALGINIT | |
303 | # ifdef OPENSSL_INIT_DEBUG | |
304 | fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_ciphers: " | |
305 | "openssl_add_all_ciphers_internal()\n"); | |
306 | # endif | |
b184e3ef | 307 | openssl_add_all_ciphers_internal(); |
b184e3ef MC |
308 | # ifndef OPENSSL_NO_ENGINE |
309 | # if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV) | |
310 | ENGINE_setup_bsd_cryptodev(); | |
311 | # endif | |
312 | # endif | |
313 | #endif | |
314 | } | |
315 | ||
316 | static OPENSSL_INIT_ONCE add_all_digests = OPENSSL_INIT_ONCE_STATIC_INIT; | |
317 | static void ossl_init_add_all_digests(void) | |
318 | { | |
319 | /* | |
320 | * OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time | |
321 | * pulling in all the ciphers during static linking | |
322 | */ | |
323 | #ifndef OPENSSL_NO_AUTOALGINIT | |
324 | # ifdef OPENSSL_INIT_DEBUG | |
325 | fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_digests: " | |
326 | "openssl_add_all_digests_internal()\n"); | |
327 | # endif | |
b184e3ef | 328 | openssl_add_all_digests_internal(); |
b184e3ef MC |
329 | # ifndef OPENSSL_NO_ENGINE |
330 | # if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV) | |
331 | ENGINE_setup_bsd_cryptodev(); | |
332 | # endif | |
333 | # endif | |
334 | #endif | |
335 | } | |
336 | ||
337 | static void ossl_init_no_add_algs(void) | |
338 | { | |
339 | /* Do nothing */ | |
340 | return; | |
341 | } | |
342 | ||
343 | static OPENSSL_INIT_ONCE config = OPENSSL_INIT_ONCE_STATIC_INIT; | |
344 | static int config_inited = 0; | |
345 | static const char *config_filename; | |
346 | static void ossl_init_config(void) | |
347 | { | |
348 | #ifdef OPENSSL_INIT_DEBUG | |
349 | fprintf(stderr, | |
350 | "OPENSSL_INIT: ossl_init_config: openssl_config_internal(%s)\n", | |
351 | config_filename==NULL?"NULL":config_filename); | |
352 | #endif | |
b184e3ef | 353 | openssl_config_internal(config_filename); |
b184e3ef MC |
354 | config_inited = 1; |
355 | } | |
356 | static void ossl_init_no_config(void) | |
357 | { | |
358 | #ifdef OPENSSL_INIT_DEBUG | |
359 | fprintf(stderr, | |
360 | "OPENSSL_INIT: ossl_init_config: openssl_no_config_internal()\n"); | |
361 | #endif | |
b184e3ef | 362 | openssl_no_config_internal(); |
b184e3ef MC |
363 | config_inited = 1; |
364 | } | |
365 | ||
366 | static OPENSSL_INIT_ONCE async = OPENSSL_INIT_ONCE_STATIC_INIT; | |
367 | static int async_inited = 0; | |
368 | static void ossl_init_async(void) | |
369 | { | |
370 | #ifdef OPENSSL_INIT_DEBUG | |
371 | fprintf(stderr, "OPENSSL_INIT: ossl_init_async: async_init()\n"); | |
372 | #endif | |
b184e3ef | 373 | async_init(); |
b184e3ef MC |
374 | async_inited = 1; |
375 | } | |
376 | ||
377 | #ifndef OPENSSL_NO_ENGINE | |
378 | static int engine_inited = 0; | |
379 | static OPENSSL_INIT_ONCE engine_openssl = OPENSSL_INIT_ONCE_STATIC_INIT; | |
380 | static void ossl_init_engine_openssl(void) | |
381 | { | |
382 | # ifdef OPENSSL_INIT_DEBUG | |
383 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_openssl: " | |
384 | "engine_load_openssl_internal()\n"); | |
385 | # endif | |
b184e3ef | 386 | engine_load_openssl_internal(); |
b184e3ef MC |
387 | engine_inited = 1; |
388 | } | |
389 | # if !defined(OPENSSL_NO_HW) && \ | |
390 | (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) | |
391 | static OPENSSL_INIT_ONCE engine_cryptodev = OPENSSL_INIT_ONCE_STATIC_INIT; | |
392 | static void ossl_init_engine_cryptodev(void) | |
393 | { | |
394 | # ifdef OPENSSL_INIT_DEBUG | |
395 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_cryptodev: " | |
396 | "engine_load_cryptodev_internal()\n"); | |
397 | # endif | |
b184e3ef | 398 | engine_load_cryptodev_internal(); |
b184e3ef MC |
399 | engine_inited = 1; |
400 | } | |
401 | # endif | |
402 | ||
403 | # ifndef OPENSSL_NO_RDRAND | |
404 | static OPENSSL_INIT_ONCE engine_rdrand = OPENSSL_INIT_ONCE_STATIC_INIT; | |
405 | static void ossl_init_engine_rdrand(void) | |
406 | { | |
407 | # ifdef OPENSSL_INIT_DEBUG | |
408 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_rdrand: " | |
409 | "engine_load_rdrand_internal()\n"); | |
410 | # endif | |
b184e3ef | 411 | engine_load_rdrand_internal(); |
b184e3ef MC |
412 | engine_inited = 1; |
413 | } | |
414 | # endif | |
415 | static OPENSSL_INIT_ONCE engine_dynamic = OPENSSL_INIT_ONCE_STATIC_INIT; | |
416 | static void ossl_init_engine_dynamic(void) | |
417 | { | |
418 | # ifdef OPENSSL_INIT_DEBUG | |
419 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dynamic: " | |
420 | "engine_load_dynamic_internal()\n"); | |
421 | # endif | |
b184e3ef | 422 | engine_load_dynamic_internal(); |
b184e3ef MC |
423 | engine_inited = 1; |
424 | } | |
425 | # ifndef OPENSSL_NO_STATIC_ENGINE | |
426 | # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) | |
427 | static OPENSSL_INIT_ONCE engine_padlock = OPENSSL_INIT_ONCE_STATIC_INIT; | |
428 | static void ossl_init_engine_padlock(void) | |
429 | { | |
430 | # ifdef OPENSSL_INIT_DEBUG | |
431 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_padlock: " | |
432 | "engine_load_padlock_internal()\n"); | |
433 | # endif | |
b184e3ef | 434 | engine_load_padlock_internal(); |
b184e3ef MC |
435 | engine_inited = 1; |
436 | } | |
437 | # endif | |
438 | # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) | |
439 | static OPENSSL_INIT_ONCE engine_capi = OPENSSL_INIT_ONCE_STATIC_INIT; | |
440 | static void ossl_init_engine_capi(void) | |
441 | { | |
442 | # ifdef OPENSSL_INIT_DEBUG | |
443 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_capi: " | |
444 | "engine_load_capi_internal()\n"); | |
445 | # endif | |
b184e3ef | 446 | engine_load_capi_internal(); |
b184e3ef MC |
447 | engine_inited = 1; |
448 | } | |
449 | # endif | |
450 | static OPENSSL_INIT_ONCE engine_dasync = OPENSSL_INIT_ONCE_STATIC_INIT; | |
451 | static void ossl_init_engine_dasync(void) | |
452 | { | |
453 | # ifdef OPENSSL_INIT_DEBUG | |
454 | fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dasync: " | |
455 | "engine_load_dasync_internal()\n"); | |
456 | # endif | |
b184e3ef | 457 | engine_load_dasync_internal(); |
b184e3ef MC |
458 | engine_inited = 1; |
459 | } | |
460 | # endif | |
461 | #endif | |
462 | ||
463 | static OPENSSL_INIT_ONCE zlib = OPENSSL_INIT_ONCE_STATIC_INIT; | |
464 | static int zlib_inited = 0; | |
465 | static void ossl_init_zlib(void) | |
466 | { | |
467 | /* Do nothing - we need to know about this for the later cleanup */ | |
468 | zlib_inited = 1; | |
469 | } | |
470 | ||
71567a6f | 471 | static void ossl_init_thread_stop(struct thread_local_inits_st *locals) |
b184e3ef MC |
472 | { |
473 | /* Can't do much about this */ | |
474 | if (locals == NULL) | |
475 | return; | |
476 | ||
477 | if (locals->async) { | |
478 | #ifdef OPENSSL_INIT_DEBUG | |
479 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: " | |
480 | "ASYNC_cleanup_thread()\n"); | |
481 | #endif | |
482 | ASYNC_cleanup_thread(); | |
483 | } | |
484 | ||
485 | if (locals->err_state) { | |
486 | #ifdef OPENSSL_INIT_DEBUG | |
487 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: " | |
488 | "ERR_remove_thread_state(NULL)\n"); | |
489 | #endif | |
490 | ERR_remove_thread_state(NULL); | |
491 | } | |
492 | ||
493 | OPENSSL_free(locals); | |
494 | ossl_init_thread_stop_cleanup(); | |
495 | } | |
496 | ||
71567a6f MC |
497 | void OPENSSL_INIT_thread_stop(void) |
498 | { | |
499 | ossl_init_thread_stop( | |
500 | (struct thread_local_inits_st *)ossl_init_get_thread_local(0)); | |
501 | } | |
502 | ||
b184e3ef MC |
503 | int ossl_init_thread_start(uint64_t opts) |
504 | { | |
505 | struct thread_local_inits_st *locals = ossl_init_get_thread_local(1); | |
506 | ||
507 | if (locals == NULL) | |
508 | return 0; | |
509 | ||
510 | if (opts & OPENSSL_INIT_THREAD_ASYNC) { | |
511 | #ifdef OPENSSL_INIT_DEBUG | |
512 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: " | |
513 | "marking thread for async\n"); | |
514 | #endif | |
515 | locals->async = 1; | |
516 | } | |
517 | ||
518 | if (opts & OPENSSL_INIT_THREAD_ERR_STATE) { | |
519 | #ifdef OPENSSL_INIT_DEBUG | |
520 | fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: " | |
521 | "marking thread for err_state\n"); | |
522 | #endif | |
523 | locals->err_state = 1; | |
524 | } | |
525 | ||
526 | return 1; | |
527 | } | |
528 | ||
529 | void OPENSSL_INIT_library_stop(void) | |
530 | { | |
531 | OPENSSL_INIT_STOP *currhandler, *lasthandler; | |
532 | ||
533 | /* | |
534 | * Thread stop may not get automatically called by the thread library for | |
535 | * the very last thread in some situations, so call it directly. | |
536 | */ | |
537 | ossl_init_thread_stop(ossl_init_get_thread_local(0)); | |
538 | ||
539 | currhandler = stop_handlers; | |
540 | while (currhandler != NULL) { | |
541 | currhandler->handler(); | |
542 | lasthandler = currhandler; | |
543 | currhandler = currhandler->next; | |
544 | OPENSSL_free(lasthandler); | |
545 | } | |
546 | stop_handlers = NULL; | |
547 | /* | |
548 | * We assume we are single-threaded for this function, i.e. no race | |
549 | * conditions for the various "*_inited" vars below. | |
550 | */ | |
551 | ||
552 | if (zlib_inited) { | |
553 | #ifdef OPENSSL_INIT_DEBUG | |
554 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
555 | "COMP_zlib_cleanup()\n"); | |
556 | #endif | |
557 | COMP_zlib_cleanup(); | |
558 | zlib_inited = 0; | |
559 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&zlib); | |
560 | } | |
561 | ||
562 | #ifndef OPENSSL_NO_ENGINE | |
563 | if (engine_inited) { | |
564 | # ifdef OPENSSL_INIT_DEBUG | |
565 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
566 | "ENGINE_cleanup()\n"); | |
567 | # endif | |
568 | ENGINE_cleanup(); | |
569 | engine_inited = 0; | |
570 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_openssl); | |
571 | # if !defined(OPENSSL_NO_HW) && \ | |
572 | (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) | |
573 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_cryptodev); | |
574 | # endif | |
575 | # ifndef OPENSSL_NO_RDRAND | |
576 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_rdrand); | |
577 | # endif | |
578 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_dynamic); | |
579 | # ifndef OPENSSL_NO_STATIC_ENGINE | |
580 | # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) | |
581 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_padlock); | |
582 | # endif | |
583 | # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) | |
584 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_capi); | |
585 | # endif | |
586 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_dasync); | |
587 | # endif | |
588 | } | |
589 | #endif | |
590 | ||
591 | async_inited = 0; | |
592 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&async); | |
593 | ||
594 | config_inited = 0; | |
595 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&config); | |
596 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&add_all_ciphers); | |
597 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&add_all_digests); | |
598 | ||
599 | if (load_crypto_strings_inited) { | |
600 | #ifdef OPENSSL_INIT_DEBUG | |
601 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
602 | "ERR_free_strings()\n"); | |
603 | #endif | |
604 | ERR_free_strings(); | |
605 | load_crypto_strings_inited = 0; | |
606 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&load_crypto_strings); | |
607 | } | |
608 | ||
609 | if (base_inited) { | |
610 | #ifdef OPENSSL_INIT_DEBUG | |
611 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
612 | "CRYPTO_cleanup_all_ex_data()\n"); | |
613 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
614 | "EVP_cleanup()\n"); | |
615 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
616 | "CONF_modules_free()\n"); | |
617 | fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " | |
618 | "RAND_cleanup()\n"); | |
619 | #endif | |
620 | CRYPTO_cleanup_all_ex_data(); | |
621 | EVP_cleanup(); | |
622 | CONF_modules_free(); | |
623 | RAND_cleanup(); | |
624 | base_inited = 0; | |
625 | OPENSSL_INIT_ONCE_DYNAMIC_INIT(&base); | |
626 | } | |
627 | } | |
628 | ||
629 | static const OPENSSL_INIT_SETTINGS *ossl_init_get_setting( | |
630 | const OPENSSL_INIT_SETTINGS *settings, int name) | |
631 | { | |
632 | if (settings == NULL) | |
633 | return NULL; | |
634 | ||
635 | while (settings->name != OPENSSL_INIT_SET_END) { | |
636 | if (settings->name == name) | |
637 | return settings; | |
638 | settings++; | |
639 | } | |
640 | ||
641 | return NULL; | |
642 | } | |
643 | ||
644 | /* | |
645 | * If this function is called with a non NULL settings value then it must be | |
646 | * called prior to any threads making calls to any OpenSSL functions, | |
647 | * i.e. passing a non-null settings value is assumed to be single-threaded. | |
648 | */ | |
649 | void OPENSSL_INIT_crypto_library_start(uint64_t opts, | |
650 | const OPENSSL_INIT_SETTINGS *settings) | |
651 | { | |
652 | ossl_init_once_run(&base, ossl_init_base); | |
653 | ||
654 | if (opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS) | |
655 | ossl_init_once_run(&load_crypto_strings, | |
656 | ossl_init_no_load_crypto_strings); | |
657 | ||
658 | if (opts & OPENSSL_INIT_LOAD_CRYPTO_STRINGS) | |
659 | ossl_init_once_run(&load_crypto_strings, ossl_init_load_crypto_strings); | |
660 | ||
661 | if (opts & OPENSSL_INIT_NO_ADD_ALL_CIPHERS) | |
662 | ossl_init_once_run(&add_all_ciphers, ossl_init_no_add_algs); | |
663 | ||
664 | if (opts & OPENSSL_INIT_ADD_ALL_CIPHERS) | |
665 | ossl_init_once_run(&add_all_ciphers, ossl_init_add_all_ciphers); | |
666 | ||
667 | if (opts & OPENSSL_INIT_NO_ADD_ALL_DIGESTS) | |
668 | ossl_init_once_run(&add_all_digests, ossl_init_no_add_algs); | |
669 | ||
670 | if (opts & OPENSSL_INIT_ADD_ALL_DIGESTS) | |
671 | ossl_init_once_run(&add_all_digests, ossl_init_add_all_digests); | |
672 | ||
673 | if (opts & OPENSSL_INIT_NO_LOAD_CONFIG) { | |
674 | ossl_init_once_run(&config, ossl_init_no_config); | |
675 | } | |
676 | ||
677 | if (opts & OPENSSL_INIT_LOAD_CONFIG) { | |
678 | if (settings != NULL) { | |
679 | const OPENSSL_INIT_SETTINGS *curr; | |
680 | curr = ossl_init_get_setting(settings, | |
681 | OPENSSL_INIT_SET_CONF_FILENAME); | |
682 | config_filename = curr == NULL ? NULL : curr->value.type_string; | |
683 | } | |
684 | ossl_init_once_run(&config, ossl_init_config); | |
685 | } | |
686 | ||
687 | if (opts & OPENSSL_INIT_ASYNC) { | |
688 | ossl_init_once_run(&async, ossl_init_async); | |
689 | } | |
690 | ||
691 | #ifndef OPENSSL_NO_ENGINE | |
692 | if (opts & OPENSSL_INIT_ENGINE_OPENSSL) { | |
693 | ossl_init_once_run(&engine_openssl, ossl_init_engine_openssl); | |
694 | } | |
695 | # if !defined(OPENSSL_NO_HW) && \ | |
696 | (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) | |
697 | if (opts & OPENSSL_INIT_ENGINE_CRYPTODEV) { | |
698 | ossl_init_once_run(&engine_cryptodev, ossl_init_engine_cryptodev); | |
699 | } | |
700 | # endif | |
701 | # ifndef OPENSSL_NO_RDRAND | |
702 | if (opts & OPENSSL_INIT_ENGINE_RDRAND) { | |
703 | ossl_init_once_run(&engine_rdrand, ossl_init_engine_rdrand); | |
704 | } | |
705 | # endif | |
706 | if (opts & OPENSSL_INIT_ENGINE_DYNAMIC) { | |
707 | ossl_init_once_run(&engine_dynamic, ossl_init_engine_dynamic); | |
708 | } | |
709 | # ifndef OPENSSL_NO_STATIC_ENGINE | |
710 | # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) | |
711 | if (opts & OPENSSL_INIT_ENGINE_PADLOCK) { | |
712 | ossl_init_once_run(&engine_padlock, ossl_init_engine_padlock); | |
713 | } | |
714 | # endif | |
715 | # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) | |
716 | if (opts & OPENSSL_INIT_ENGINE_CAPI) { | |
717 | ossl_init_once_run(&engine_capi, ossl_init_engine_capi); | |
718 | } | |
719 | # endif | |
720 | if (opts & OPENSSL_INIT_ENGINE_DASYNC) { | |
721 | ossl_init_once_run(&engine_dasync, ossl_init_engine_dasync); | |
722 | } | |
723 | # endif | |
724 | if (opts & (OPENSSL_INIT_ENGINE_ALL_BUILTIN | |
725 | | OPENSSL_INIT_ENGINE_DASYNC | OPENSSL_INIT_ENGINE_OPENSSL)) { | |
726 | ENGINE_register_all_complete(); | |
727 | } | |
728 | #endif | |
729 | ||
730 | if (opts & OPENSSL_INIT_ZLIB) { | |
731 | ossl_init_once_run(&zlib, ossl_init_zlib); | |
732 | } | |
733 | } | |
734 | ||
735 | int OPENSSL_INIT_register_stop_handler(void (*handler)(void)) | |
736 | { | |
737 | OPENSSL_INIT_STOP *newhand; | |
738 | ||
739 | newhand = OPENSSL_malloc(sizeof(*newhand)); | |
740 | if (newhand == NULL) | |
741 | return 0; | |
742 | ||
743 | newhand->handler = handler; | |
744 | newhand->next = stop_handlers; | |
745 | stop_handlers = newhand; | |
746 | ||
747 | return 1; | |
748 | } | |
749 | ||
750 |