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4c2883a9 | 1 | /* |
33388b44 | 2 | * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved. |
4c2883a9 RL |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | #include <openssl/core.h> | |
23c48d94 | 11 | #include <openssl/core_dispatch.h> |
25e60144 | 12 | #include <openssl/core_names.h> |
6bd4e3f2 | 13 | #include <openssl/provider.h> |
ac1055ef | 14 | #include <openssl/params.h> |
4c2883a9 | 15 | #include <openssl/opensslv.h> |
25f2138b | 16 | #include "crypto/cryptlib.h" |
04cb5ec0 | 17 | #include "crypto/evp.h" /* evp_method_store_flush */ |
c41f3ae0 | 18 | #include "internal/nelem.h" |
4c2883a9 RL |
19 | #include "internal/thread_once.h" |
20 | #include "internal/provider.h" | |
21 | #include "internal/refcount.h" | |
c41f3ae0 | 22 | #include "provider_local.h" |
f844f9eb | 23 | #ifndef FIPS_MODULE |
36fc5fc6 SL |
24 | # include <openssl/self_test.h> |
25 | #endif | |
c41f3ae0 RL |
26 | |
27 | static OSSL_PROVIDER *provider_new(const char *name, | |
28 | OSSL_provider_init_fn *init_function); | |
4c2883a9 RL |
29 | |
30 | /*- | |
31 | * Provider Object structure | |
32 | * ========================= | |
33 | */ | |
34 | ||
ac1055ef RL |
35 | typedef struct { |
36 | char *name; | |
37 | char *value; | |
38 | } INFOPAIR; | |
39 | DEFINE_STACK_OF(INFOPAIR) | |
40 | ||
4c2883a9 RL |
41 | struct provider_store_st; /* Forward declaration */ |
42 | ||
43 | struct ossl_provider_st { | |
44 | /* Flag bits */ | |
45 | unsigned int flag_initialized:1; | |
c8567c39 RL |
46 | unsigned int flag_fallback:1; /* Can be used as fallback */ |
47 | unsigned int flag_activated_as_fallback:1; | |
4c2883a9 RL |
48 | |
49 | /* OpenSSL library side data */ | |
50 | CRYPTO_REF_COUNT refcnt; | |
085bef9f | 51 | CRYPTO_RWLOCK *refcnt_lock; /* For the ref counter */ |
4c2883a9 | 52 | char *name; |
ac1055ef | 53 | char *path; |
4c2883a9 RL |
54 | DSO *module; |
55 | OSSL_provider_init_fn *init_function; | |
ac1055ef | 56 | STACK_OF(INFOPAIR) *parameters; |
b4250010 | 57 | OSSL_LIB_CTX *libctx; /* The library context this instance is in */ |
e55008a9 | 58 | struct provider_store_st *store; /* The store this instance belongs to */ |
f844f9eb | 59 | #ifndef FIPS_MODULE |
6592ab81 RL |
60 | /* |
61 | * In the FIPS module inner provider, this isn't needed, since the | |
62 | * error upcalls are always direct calls to the outer provider. | |
63 | */ | |
6ebc2f56 | 64 | int error_lib; /* ERR library number, one for each provider */ |
6592ab81 | 65 | # ifndef OPENSSL_NO_ERR |
6ebc2f56 | 66 | ERR_STRING_DATA *error_strings; /* Copy of what the provider gives us */ |
6592ab81 | 67 | # endif |
6ebc2f56 | 68 | #endif |
4c2883a9 RL |
69 | |
70 | /* Provider side functions */ | |
363b1e5d DMSP |
71 | OSSL_FUNC_provider_teardown_fn *teardown; |
72 | OSSL_FUNC_provider_gettable_params_fn *gettable_params; | |
73 | OSSL_FUNC_provider_get_params_fn *get_params; | |
74 | OSSL_FUNC_provider_get_capabilities_fn *get_capabilities; | |
04cb5ec0 | 75 | OSSL_FUNC_provider_self_test_fn *self_test; |
363b1e5d | 76 | OSSL_FUNC_provider_query_operation_fn *query_operation; |
a39eb840 | 77 | |
5a29b628 RL |
78 | /* |
79 | * Cache of bit to indicate of query_operation() has been called on | |
80 | * a specific operation or not. | |
81 | */ | |
82 | unsigned char *operation_bits; | |
83 | size_t operation_bits_sz; | |
84 | ||
a39eb840 RL |
85 | /* Provider side data */ |
86 | void *provctx; | |
4c2883a9 RL |
87 | }; |
88 | DEFINE_STACK_OF(OSSL_PROVIDER) | |
89 | ||
90 | static int ossl_provider_cmp(const OSSL_PROVIDER * const *a, | |
91 | const OSSL_PROVIDER * const *b) | |
92 | { | |
93 | return strcmp((*a)->name, (*b)->name); | |
94 | } | |
95 | ||
96 | /*- | |
97 | * Provider Object store | |
98 | * ===================== | |
99 | * | |
100 | * The Provider Object store is a library context object, and therefore needs | |
101 | * an index. | |
102 | */ | |
103 | ||
104 | struct provider_store_st { | |
105 | STACK_OF(OSSL_PROVIDER) *providers; | |
106 | CRYPTO_RWLOCK *lock; | |
6bd4e3f2 | 107 | char *default_path; |
e55008a9 | 108 | unsigned int use_fallbacks:1; |
4c2883a9 | 109 | }; |
4c2883a9 | 110 | |
c8567c39 RL |
111 | /* |
112 | * provider_deactivate_free() is a wrapper around ossl_provider_free() | |
113 | * that also makes sure that activated fallback providers are deactivated. | |
114 | * This is simply done by freeing them an extra time, to compensate for the | |
115 | * refcount that provider_activate_fallbacks() gives them. | |
116 | * Since this is only called when the provider store is being emptied, we | |
117 | * don't need to care about any lock. | |
118 | */ | |
119 | static void provider_deactivate_free(OSSL_PROVIDER *prov) | |
120 | { | |
121 | int extra_free = (prov->flag_initialized | |
122 | && prov->flag_activated_as_fallback); | |
123 | ||
124 | if (extra_free) | |
125 | ossl_provider_free(prov); | |
126 | ossl_provider_free(prov); | |
127 | } | |
128 | ||
4c2883a9 RL |
129 | static void provider_store_free(void *vstore) |
130 | { | |
131 | struct provider_store_st *store = vstore; | |
132 | ||
133 | if (store == NULL) | |
134 | return; | |
6bd4e3f2 | 135 | OPENSSL_free(store->default_path); |
c8567c39 | 136 | sk_OSSL_PROVIDER_pop_free(store->providers, provider_deactivate_free); |
4c2883a9 RL |
137 | CRYPTO_THREAD_lock_free(store->lock); |
138 | OPENSSL_free(store); | |
139 | } | |
140 | ||
b4250010 | 141 | static void *provider_store_new(OSSL_LIB_CTX *ctx) |
4c2883a9 RL |
142 | { |
143 | struct provider_store_st *store = OPENSSL_zalloc(sizeof(*store)); | |
c41f3ae0 | 144 | const struct predefined_providers_st *p = NULL; |
4c2883a9 RL |
145 | |
146 | if (store == NULL | |
147 | || (store->providers = sk_OSSL_PROVIDER_new(ossl_provider_cmp)) == NULL | |
148 | || (store->lock = CRYPTO_THREAD_lock_new()) == NULL) { | |
149 | provider_store_free(store); | |
e55008a9 | 150 | return NULL; |
4c2883a9 | 151 | } |
e55008a9 | 152 | store->use_fallbacks = 1; |
c41f3ae0 RL |
153 | |
154 | for (p = predefined_providers; p->name != NULL; p++) { | |
155 | OSSL_PROVIDER *prov = NULL; | |
156 | ||
157 | /* | |
158 | * We use the internal constructor directly here, | |
159 | * otherwise we get a call loop | |
160 | */ | |
161 | prov = provider_new(p->name, p->init); | |
162 | ||
163 | if (prov == NULL | |
164 | || sk_OSSL_PROVIDER_push(store->providers, prov) == 0) { | |
165 | ossl_provider_free(prov); | |
166 | provider_store_free(store); | |
167 | CRYPTOerr(CRYPTO_F_PROVIDER_STORE_NEW, ERR_R_INTERNAL_ERROR); | |
168 | return NULL; | |
169 | } | |
e7706e63 | 170 | prov->libctx = ctx; |
c41f3ae0 | 171 | prov->store = store; |
f844f9eb | 172 | #ifndef FIPS_MODULE |
6ebc2f56 | 173 | prov->error_lib = ERR_get_next_error_library(); |
6592ab81 | 174 | #endif |
c41f3ae0 RL |
175 | if(p->is_fallback) |
176 | ossl_provider_set_fallback(prov); | |
177 | } | |
178 | ||
4c2883a9 RL |
179 | return store; |
180 | } | |
181 | ||
b4250010 | 182 | static const OSSL_LIB_CTX_METHOD provider_store_method = { |
4c2883a9 RL |
183 | provider_store_new, |
184 | provider_store_free, | |
185 | }; | |
186 | ||
b4250010 | 187 | static struct provider_store_st *get_provider_store(OSSL_LIB_CTX *libctx) |
4c2883a9 RL |
188 | { |
189 | struct provider_store_st *store = NULL; | |
190 | ||
b4250010 DMSP |
191 | store = ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_PROVIDER_STORE_INDEX, |
192 | &provider_store_method); | |
4c2883a9 RL |
193 | if (store == NULL) |
194 | CRYPTOerr(CRYPTO_F_GET_PROVIDER_STORE, ERR_R_INTERNAL_ERROR); | |
195 | return store; | |
196 | } | |
197 | ||
b4250010 | 198 | int ossl_provider_disable_fallback_loading(OSSL_LIB_CTX *libctx) |
ebe3f24b P |
199 | { |
200 | struct provider_store_st *store; | |
201 | ||
202 | if ((store = get_provider_store(libctx)) != NULL) { | |
203 | store->use_fallbacks = 0; | |
204 | return 1; | |
205 | } | |
206 | return 0; | |
207 | } | |
208 | ||
b4250010 | 209 | OSSL_PROVIDER *ossl_provider_find(OSSL_LIB_CTX *libctx, const char *name, |
29dc6e00 | 210 | int noconfig) |
4c2883a9 RL |
211 | { |
212 | struct provider_store_st *store = NULL; | |
213 | OSSL_PROVIDER *prov = NULL; | |
214 | ||
215 | if ((store = get_provider_store(libctx)) != NULL) { | |
216 | OSSL_PROVIDER tmpl = { 0, }; | |
217 | int i; | |
218 | ||
f844f9eb | 219 | #ifndef FIPS_MODULE |
29dc6e00 MC |
220 | /* |
221 | * Make sure any providers are loaded from config before we try to find | |
222 | * them. | |
223 | */ | |
224 | if (!noconfig) | |
225 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL); | |
226 | #endif | |
227 | ||
4c2883a9 RL |
228 | tmpl.name = (char *)name; |
229 | CRYPTO_THREAD_write_lock(store->lock); | |
230 | if ((i = sk_OSSL_PROVIDER_find(store->providers, &tmpl)) == -1 | |
231 | || (prov = sk_OSSL_PROVIDER_value(store->providers, i)) == NULL | |
7c95390e | 232 | || !ossl_provider_up_ref(prov)) |
4c2883a9 RL |
233 | prov = NULL; |
234 | CRYPTO_THREAD_unlock(store->lock); | |
235 | } | |
236 | ||
237 | return prov; | |
238 | } | |
239 | ||
c41f3ae0 RL |
240 | /*- |
241 | * Provider Object methods | |
242 | * ======================= | |
243 | */ | |
244 | ||
245 | static OSSL_PROVIDER *provider_new(const char *name, | |
246 | OSSL_provider_init_fn *init_function) | |
247 | { | |
248 | OSSL_PROVIDER *prov = NULL; | |
249 | ||
250 | if ((prov = OPENSSL_zalloc(sizeof(*prov))) == NULL | |
251 | #ifndef HAVE_ATOMICS | |
252 | || (prov->refcnt_lock = CRYPTO_THREAD_lock_new()) == NULL | |
253 | #endif | |
7c95390e | 254 | || !ossl_provider_up_ref(prov) /* +1 One reference to be returned */ |
c41f3ae0 RL |
255 | || (prov->name = OPENSSL_strdup(name)) == NULL) { |
256 | ossl_provider_free(prov); | |
257 | CRYPTOerr(CRYPTO_F_PROVIDER_NEW, ERR_R_MALLOC_FAILURE); | |
258 | return NULL; | |
259 | } | |
260 | ||
261 | prov->init_function = init_function; | |
262 | return prov; | |
263 | } | |
264 | ||
7c95390e | 265 | int ossl_provider_up_ref(OSSL_PROVIDER *prov) |
c41f3ae0 RL |
266 | { |
267 | int ref = 0; | |
268 | ||
ad14e8e5 SL |
269 | if (CRYPTO_UP_REF(&prov->refcnt, &ref, prov->refcnt_lock) <= 0) |
270 | return 0; | |
c41f3ae0 RL |
271 | return ref; |
272 | } | |
273 | ||
b4250010 | 274 | OSSL_PROVIDER *ossl_provider_new(OSSL_LIB_CTX *libctx, const char *name, |
29dc6e00 MC |
275 | OSSL_provider_init_fn *init_function, |
276 | int noconfig) | |
4c2883a9 RL |
277 | { |
278 | struct provider_store_st *store = NULL; | |
279 | OSSL_PROVIDER *prov = NULL; | |
280 | ||
281 | if ((store = get_provider_store(libctx)) == NULL) | |
282 | return NULL; | |
283 | ||
29dc6e00 MC |
284 | if ((prov = ossl_provider_find(libctx, name, |
285 | noconfig)) != NULL) { /* refcount +1 */ | |
4c2883a9 | 286 | ossl_provider_free(prov); /* refcount -1 */ |
49c64346 RL |
287 | ERR_raise_data(ERR_LIB_CRYPTO, CRYPTO_R_PROVIDER_ALREADY_EXISTS, NULL, |
288 | "name=%s", name); | |
4c2883a9 RL |
289 | return NULL; |
290 | } | |
291 | ||
c41f3ae0 RL |
292 | /* provider_new() generates an error, so no need here */ |
293 | if ((prov = provider_new(name, init_function)) == NULL) | |
4c2883a9 | 294 | return NULL; |
4c2883a9 RL |
295 | |
296 | CRYPTO_THREAD_write_lock(store->lock); | |
7c95390e | 297 | if (!ossl_provider_up_ref(prov)) { /* +1 One reference for the store */ |
4c2883a9 RL |
298 | ossl_provider_free(prov); /* -1 Reference that was to be returned */ |
299 | prov = NULL; | |
300 | } else if (sk_OSSL_PROVIDER_push(store->providers, prov) == 0) { | |
301 | ossl_provider_free(prov); /* -1 Store reference */ | |
302 | ossl_provider_free(prov); /* -1 Reference that was to be returned */ | |
303 | prov = NULL; | |
e55008a9 | 304 | } else { |
e7706e63 | 305 | prov->libctx = libctx; |
e55008a9 | 306 | prov->store = store; |
f844f9eb | 307 | #ifndef FIPS_MODULE |
6ebc2f56 | 308 | prov->error_lib = ERR_get_next_error_library(); |
6592ab81 | 309 | #endif |
4c2883a9 RL |
310 | } |
311 | CRYPTO_THREAD_unlock(store->lock); | |
312 | ||
313 | if (prov == NULL) | |
314 | CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_NEW, ERR_R_MALLOC_FAILURE); | |
315 | ||
316 | /* | |
317 | * At this point, the provider is only partially "loaded". To be | |
318 | * fully "loaded", ossl_provider_activate() must also be called. | |
319 | */ | |
320 | ||
321 | return prov; | |
322 | } | |
323 | ||
ac1055ef RL |
324 | static void free_infopair(INFOPAIR *pair) |
325 | { | |
326 | OPENSSL_free(pair->name); | |
327 | OPENSSL_free(pair->value); | |
328 | OPENSSL_free(pair); | |
329 | } | |
330 | ||
4c2883a9 RL |
331 | void ossl_provider_free(OSSL_PROVIDER *prov) |
332 | { | |
333 | if (prov != NULL) { | |
334 | int ref = 0; | |
335 | ||
085bef9f | 336 | CRYPTO_DOWN_REF(&prov->refcnt, &ref, prov->refcnt_lock); |
4c2883a9 RL |
337 | |
338 | /* | |
e55008a9 RL |
339 | * When the refcount drops below two, the store is the only |
340 | * possible reference, or it has already been taken away from | |
341 | * the store (this may happen if a provider was activated | |
342 | * because it's a fallback, but isn't currently used) | |
4c2883a9 RL |
343 | * When that happens, the provider is inactivated. |
344 | */ | |
e55008a9 | 345 | if (ref < 2 && prov->flag_initialized) { |
f844f9eb | 346 | #ifndef FIPS_MODULE |
6913f5fe MC |
347 | ossl_init_thread_deregister(prov); |
348 | #endif | |
4c2883a9 | 349 | if (prov->teardown != NULL) |
a39eb840 | 350 | prov->teardown(prov->provctx); |
6ebc2f56 | 351 | #ifndef OPENSSL_NO_ERR |
f844f9eb | 352 | # ifndef FIPS_MODULE |
6ebc2f56 RL |
353 | if (prov->error_strings != NULL) { |
354 | ERR_unload_strings(prov->error_lib, prov->error_strings); | |
355 | OPENSSL_free(prov->error_strings); | |
356 | prov->error_strings = NULL; | |
357 | } | |
358 | # endif | |
359 | #endif | |
5a29b628 RL |
360 | OPENSSL_free(prov->operation_bits); |
361 | prov->operation_bits = NULL; | |
362 | prov->operation_bits_sz = 0; | |
4c2883a9 RL |
363 | prov->flag_initialized = 0; |
364 | } | |
365 | ||
366 | /* | |
367 | * When the refcount drops to zero, it has been taken out of | |
368 | * the store. All we have to do here is clean it out. | |
369 | */ | |
370 | if (ref == 0) { | |
f844f9eb | 371 | #ifndef FIPS_MODULE |
4c2883a9 | 372 | DSO_free(prov->module); |
3593266d | 373 | #endif |
4c2883a9 | 374 | OPENSSL_free(prov->name); |
ac1055ef RL |
375 | OPENSSL_free(prov->path); |
376 | sk_INFOPAIR_pop_free(prov->parameters, free_infopair); | |
085bef9f RL |
377 | #ifndef HAVE_ATOMICS |
378 | CRYPTO_THREAD_lock_free(prov->refcnt_lock); | |
379 | #endif | |
4c2883a9 RL |
380 | OPENSSL_free(prov); |
381 | } | |
382 | } | |
383 | } | |
384 | ||
ac1055ef RL |
385 | /* Setters */ |
386 | int ossl_provider_set_module_path(OSSL_PROVIDER *prov, const char *module_path) | |
387 | { | |
388 | OPENSSL_free(prov->path); | |
389 | if (module_path == NULL) | |
390 | return 1; | |
391 | if ((prov->path = OPENSSL_strdup(module_path)) != NULL) | |
392 | return 1; | |
393 | CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_SET_MODULE_PATH, ERR_R_MALLOC_FAILURE); | |
394 | return 0; | |
395 | } | |
396 | ||
397 | int ossl_provider_add_parameter(OSSL_PROVIDER *prov, | |
398 | const char *name, const char *value) | |
399 | { | |
400 | INFOPAIR *pair = NULL; | |
401 | ||
402 | if ((pair = OPENSSL_zalloc(sizeof(*pair))) != NULL | |
403 | && (prov->parameters != NULL | |
404 | || (prov->parameters = sk_INFOPAIR_new_null()) != NULL) | |
405 | && (pair->name = OPENSSL_strdup(name)) != NULL | |
406 | && (pair->value = OPENSSL_strdup(value)) != NULL | |
407 | && sk_INFOPAIR_push(prov->parameters, pair) > 0) | |
408 | return 1; | |
409 | ||
410 | if (pair != NULL) { | |
411 | OPENSSL_free(pair->name); | |
412 | OPENSSL_free(pair->value); | |
413 | OPENSSL_free(pair); | |
414 | } | |
415 | CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_ADD_PARAMETER, ERR_R_MALLOC_FAILURE); | |
416 | return 0; | |
417 | } | |
418 | ||
4c2883a9 RL |
419 | /* |
420 | * Provider activation. | |
421 | * | |
422 | * What "activation" means depends on the provider form; for built in | |
423 | * providers (in the library or the application alike), the provider | |
424 | * can already be considered to be loaded, all that's needed is to | |
425 | * initialize it. However, for dynamically loadable provider modules, | |
426 | * we must first load that module. | |
427 | * | |
428 | * Built in modules are distinguished from dynamically loaded modules | |
429 | * with an already assigned init function. | |
430 | */ | |
431 | static const OSSL_DISPATCH *core_dispatch; /* Define further down */ | |
432 | ||
b4250010 DMSP |
433 | int OSSL_PROVIDER_set_default_search_path(OSSL_LIB_CTX *libctx, |
434 | const char *path) | |
6bd4e3f2 P |
435 | { |
436 | struct provider_store_st *store; | |
437 | char *p = NULL; | |
438 | ||
439 | if (path != NULL) { | |
440 | p = OPENSSL_strdup(path); | |
441 | if (p == NULL) { | |
442 | CRYPTOerr(0, ERR_R_MALLOC_FAILURE); | |
443 | return 0; | |
444 | } | |
445 | } | |
446 | if ((store = get_provider_store(libctx)) != NULL | |
447 | && CRYPTO_THREAD_write_lock(store->lock)) { | |
448 | OPENSSL_free(store->default_path); | |
449 | store->default_path = p; | |
450 | CRYPTO_THREAD_unlock(store->lock); | |
451 | return 1; | |
452 | } | |
453 | OPENSSL_free(p); | |
454 | return 0; | |
455 | } | |
456 | ||
e55008a9 RL |
457 | /* |
458 | * Internal version that doesn't affect the store flags, and thereby avoid | |
459 | * locking. Direct callers must remember to set the store flags when | |
e7706e63 | 460 | * appropriate. |
e55008a9 | 461 | */ |
e7706e63 | 462 | static int provider_activate(OSSL_PROVIDER *prov) |
4c2883a9 RL |
463 | { |
464 | const OSSL_DISPATCH *provider_dispatch = NULL; | |
914db66d | 465 | void *tmp_provctx = NULL; /* safety measure */ |
6ebc2f56 | 466 | #ifndef OPENSSL_NO_ERR |
f844f9eb | 467 | # ifndef FIPS_MODULE |
363b1e5d | 468 | OSSL_FUNC_provider_get_reason_strings_fn *p_get_reason_strings = NULL; |
6592ab81 | 469 | # endif |
6ebc2f56 | 470 | #endif |
4c2883a9 RL |
471 | |
472 | if (prov->flag_initialized) | |
473 | return 1; | |
474 | ||
475 | /* | |
476 | * If the init function isn't set, it indicates that this provider is | |
477 | * a loadable module. | |
478 | */ | |
479 | if (prov->init_function == NULL) { | |
f844f9eb | 480 | #ifdef FIPS_MODULE |
3593266d MC |
481 | return 0; |
482 | #else | |
4c2883a9 | 483 | if (prov->module == NULL) { |
ac1055ef RL |
484 | char *allocated_path = NULL; |
485 | const char *module_path = NULL; | |
486 | char *merged_path = NULL; | |
6bd4e3f2 P |
487 | const char *load_dir = NULL; |
488 | struct provider_store_st *store; | |
4c2883a9 RL |
489 | |
490 | if ((prov->module = DSO_new()) == NULL) { | |
491 | /* DSO_new() generates an error already */ | |
492 | return 0; | |
493 | } | |
494 | ||
6bd4e3f2 P |
495 | if ((store = get_provider_store(prov->libctx)) == NULL |
496 | || !CRYPTO_THREAD_read_lock(store->lock)) | |
497 | return 0; | |
498 | load_dir = store->default_path; | |
499 | ||
500 | if (load_dir == NULL) { | |
501 | load_dir = ossl_safe_getenv("OPENSSL_MODULES"); | |
502 | if (load_dir == NULL) | |
503 | load_dir = MODULESDIR; | |
504 | } | |
4c2883a9 RL |
505 | |
506 | DSO_ctrl(prov->module, DSO_CTRL_SET_FLAGS, | |
507 | DSO_FLAG_NAME_TRANSLATION_EXT_ONLY, NULL); | |
ac1055ef RL |
508 | |
509 | module_path = prov->path; | |
510 | if (module_path == NULL) | |
511 | module_path = allocated_path = | |
512 | DSO_convert_filename(prov->module, prov->name); | |
513 | if (module_path != NULL) | |
514 | merged_path = DSO_merge(prov->module, module_path, load_dir); | |
6bd4e3f2 | 515 | CRYPTO_THREAD_unlock(store->lock); |
ac1055ef RL |
516 | |
517 | if (merged_path == NULL | |
518 | || (DSO_load(prov->module, merged_path, NULL, 0)) == NULL) { | |
4c2883a9 RL |
519 | DSO_free(prov->module); |
520 | prov->module = NULL; | |
521 | } | |
522 | ||
ac1055ef RL |
523 | OPENSSL_free(merged_path); |
524 | OPENSSL_free(allocated_path); | |
4c2883a9 RL |
525 | } |
526 | ||
527 | if (prov->module != NULL) | |
528 | prov->init_function = (OSSL_provider_init_fn *) | |
529 | DSO_bind_func(prov->module, "OSSL_provider_init"); | |
3593266d | 530 | #endif |
4c2883a9 RL |
531 | } |
532 | ||
e7706e63 | 533 | /* Call the initialise function for the provider. */ |
4c2883a9 | 534 | if (prov->init_function == NULL |
d40b42ab MC |
535 | || !prov->init_function((OSSL_CORE_HANDLE *)prov, core_dispatch, |
536 | &provider_dispatch, &tmp_provctx)) { | |
49c64346 RL |
537 | ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_INIT_FAIL, NULL, |
538 | "name=%s", prov->name); | |
f844f9eb | 539 | #ifndef FIPS_MODULE |
4c2883a9 RL |
540 | DSO_free(prov->module); |
541 | prov->module = NULL; | |
3593266d | 542 | #endif |
4c2883a9 RL |
543 | return 0; |
544 | } | |
914db66d | 545 | prov->provctx = tmp_provctx; |
4c2883a9 RL |
546 | |
547 | for (; provider_dispatch->function_id != 0; provider_dispatch++) { | |
548 | switch (provider_dispatch->function_id) { | |
549 | case OSSL_FUNC_PROVIDER_TEARDOWN: | |
550 | prov->teardown = | |
363b1e5d | 551 | OSSL_FUNC_provider_teardown(provider_dispatch); |
4c2883a9 | 552 | break; |
dca97d00 RL |
553 | case OSSL_FUNC_PROVIDER_GETTABLE_PARAMS: |
554 | prov->gettable_params = | |
363b1e5d | 555 | OSSL_FUNC_provider_gettable_params(provider_dispatch); |
4c2883a9 RL |
556 | break; |
557 | case OSSL_FUNC_PROVIDER_GET_PARAMS: | |
558 | prov->get_params = | |
363b1e5d | 559 | OSSL_FUNC_provider_get_params(provider_dispatch); |
4c2883a9 | 560 | break; |
04cb5ec0 SL |
561 | case OSSL_FUNC_PROVIDER_SELF_TEST: |
562 | prov->self_test = | |
563 | OSSL_FUNC_provider_self_test(provider_dispatch); | |
564 | break; | |
82ec09ec MC |
565 | case OSSL_FUNC_PROVIDER_GET_CAPABILITIES: |
566 | prov->get_capabilities = | |
363b1e5d | 567 | OSSL_FUNC_provider_get_capabilities(provider_dispatch); |
82ec09ec | 568 | break; |
099bd339 RL |
569 | case OSSL_FUNC_PROVIDER_QUERY_OPERATION: |
570 | prov->query_operation = | |
363b1e5d | 571 | OSSL_FUNC_provider_query_operation(provider_dispatch); |
099bd339 | 572 | break; |
6ebc2f56 | 573 | #ifndef OPENSSL_NO_ERR |
f844f9eb | 574 | # ifndef FIPS_MODULE |
6ebc2f56 RL |
575 | case OSSL_FUNC_PROVIDER_GET_REASON_STRINGS: |
576 | p_get_reason_strings = | |
363b1e5d | 577 | OSSL_FUNC_provider_get_reason_strings(provider_dispatch); |
6ebc2f56 | 578 | break; |
6592ab81 | 579 | # endif |
6ebc2f56 RL |
580 | #endif |
581 | } | |
582 | } | |
583 | ||
584 | #ifndef OPENSSL_NO_ERR | |
f844f9eb | 585 | # ifndef FIPS_MODULE |
6ebc2f56 RL |
586 | if (p_get_reason_strings != NULL) { |
587 | const OSSL_ITEM *reasonstrings = p_get_reason_strings(prov->provctx); | |
588 | size_t cnt, cnt2; | |
589 | ||
590 | /* | |
591 | * ERR_load_strings() handles ERR_STRING_DATA rather than OSSL_ITEM, | |
592 | * although they are essentially the same type. | |
593 | * Furthermore, ERR_load_strings() patches the array's error number | |
594 | * with the error library number, so we need to make a copy of that | |
595 | * array either way. | |
596 | */ | |
fd03868b | 597 | cnt = 0; |
6ebc2f56 RL |
598 | while (reasonstrings[cnt].id != 0) { |
599 | if (ERR_GET_LIB(reasonstrings[cnt].id) != 0) | |
600 | return 0; | |
601 | cnt++; | |
602 | } | |
fd03868b | 603 | cnt++; /* One for the terminating item */ |
6ebc2f56 RL |
604 | |
605 | /* Allocate one extra item for the "library" name */ | |
606 | prov->error_strings = | |
607 | OPENSSL_zalloc(sizeof(ERR_STRING_DATA) * (cnt + 1)); | |
608 | if (prov->error_strings == NULL) | |
609 | return 0; | |
610 | ||
611 | /* | |
612 | * Set the "library" name. | |
613 | */ | |
614 | prov->error_strings[0].error = ERR_PACK(prov->error_lib, 0, 0); | |
615 | prov->error_strings[0].string = prov->name; | |
616 | /* | |
617 | * Copy reasonstrings item 0..cnt-1 to prov->error_trings positions | |
618 | * 1..cnt. | |
619 | */ | |
620 | for (cnt2 = 1; cnt2 <= cnt; cnt2++) { | |
621 | prov->error_strings[cnt2].error = (int)reasonstrings[cnt2-1].id; | |
622 | prov->error_strings[cnt2].string = reasonstrings[cnt2-1].ptr; | |
4c2883a9 | 623 | } |
6ebc2f56 RL |
624 | |
625 | ERR_load_strings(prov->error_lib, prov->error_strings); | |
4c2883a9 | 626 | } |
6592ab81 | 627 | # endif |
6ebc2f56 | 628 | #endif |
4c2883a9 RL |
629 | |
630 | /* With this flag set, this provider has become fully "loaded". */ | |
631 | prov->flag_initialized = 1; | |
4c2883a9 RL |
632 | return 1; |
633 | } | |
634 | ||
e55008a9 RL |
635 | int ossl_provider_activate(OSSL_PROVIDER *prov) |
636 | { | |
e7706e63 | 637 | if (provider_activate(prov)) { |
e55008a9 RL |
638 | CRYPTO_THREAD_write_lock(prov->store->lock); |
639 | prov->store->use_fallbacks = 0; | |
640 | CRYPTO_THREAD_unlock(prov->store->lock); | |
641 | return 1; | |
642 | } | |
643 | ||
644 | return 0; | |
645 | } | |
646 | ||
a39eb840 RL |
647 | void *ossl_provider_ctx(const OSSL_PROVIDER *prov) |
648 | { | |
649 | return prov->provctx; | |
650 | } | |
651 | ||
e55008a9 RL |
652 | |
653 | static int provider_forall_loaded(struct provider_store_st *store, | |
654 | int *found_activated, | |
655 | int (*cb)(OSSL_PROVIDER *provider, | |
656 | void *cbdata), | |
657 | void *cbdata) | |
658 | { | |
659 | int i; | |
660 | int ret = 1; | |
29dc6e00 MC |
661 | int num_provs; |
662 | ||
29dc6e00 | 663 | num_provs = sk_OSSL_PROVIDER_num(store->providers); |
e55008a9 RL |
664 | |
665 | if (found_activated != NULL) | |
666 | *found_activated = 0; | |
667 | for (i = 0; i < num_provs; i++) { | |
668 | OSSL_PROVIDER *prov = | |
669 | sk_OSSL_PROVIDER_value(store->providers, i); | |
670 | ||
671 | if (prov->flag_initialized) { | |
672 | if (found_activated != NULL) | |
673 | *found_activated = 1; | |
674 | if (!(ret = cb(prov, cbdata))) | |
675 | break; | |
676 | } | |
677 | } | |
678 | ||
679 | return ret; | |
680 | } | |
681 | ||
36f5ec55 RL |
682 | /* |
683 | * This function only does something once when store->use_fallbacks == 1, | |
684 | * and then sets store->use_fallbacks = 0, so the second call and so on is | |
685 | * effectively a no-op. | |
686 | */ | |
687 | static void provider_activate_fallbacks(struct provider_store_st *store) | |
688 | { | |
689 | if (store->use_fallbacks) { | |
690 | int num_provs = sk_OSSL_PROVIDER_num(store->providers); | |
691 | int activated_fallback_count = 0; | |
692 | int i; | |
693 | ||
694 | for (i = 0; i < num_provs; i++) { | |
695 | OSSL_PROVIDER *prov = sk_OSSL_PROVIDER_value(store->providers, i); | |
696 | ||
697 | /* | |
c8567c39 RL |
698 | * Activated fallback providers get an extra refcount, to |
699 | * simulate a regular load. | |
700 | * Note that we don't care if the activation succeeds or not, | |
701 | * other than to maintain a correct refcount. If the activation | |
702 | * doesn't succeed, then any future attempt to use the fallback | |
703 | * provider will fail anyway. | |
36f5ec55 RL |
704 | */ |
705 | if (prov->flag_fallback) { | |
c8567c39 RL |
706 | if (ossl_provider_up_ref(prov)) { |
707 | if (!provider_activate(prov)) { | |
708 | ossl_provider_free(prov); | |
709 | } else { | |
710 | prov->flag_activated_as_fallback = 1; | |
711 | activated_fallback_count++; | |
712 | } | |
713 | } | |
36f5ec55 RL |
714 | } |
715 | } | |
716 | ||
717 | /* | |
718 | * We assume that all fallbacks have been added to the store before | |
719 | * any fallback is activated. | |
720 | * TODO: We may have to reconsider this, IF we find ourselves adding | |
721 | * fallbacks after any previous fallback has been activated. | |
722 | */ | |
723 | if (activated_fallback_count > 0) | |
724 | store->use_fallbacks = 0; | |
725 | } | |
726 | } | |
727 | ||
b4250010 | 728 | int ossl_provider_forall_loaded(OSSL_LIB_CTX *ctx, |
85e2417c RL |
729 | int (*cb)(OSSL_PROVIDER *provider, |
730 | void *cbdata), | |
731 | void *cbdata) | |
732 | { | |
733 | int ret = 1; | |
85e2417c RL |
734 | struct provider_store_st *store = get_provider_store(ctx); |
735 | ||
f844f9eb | 736 | #ifndef FIPS_MODULE |
5c5cdcd8 MC |
737 | /* |
738 | * Make sure any providers are loaded from config before we try to use | |
739 | * them. | |
740 | */ | |
741 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL); | |
742 | #endif | |
743 | ||
85e2417c RL |
744 | if (store != NULL) { |
745 | CRYPTO_THREAD_read_lock(store->lock); | |
36f5ec55 RL |
746 | |
747 | provider_activate_fallbacks(store); | |
85e2417c | 748 | |
e55008a9 | 749 | /* |
36f5ec55 | 750 | * Now, we sweep through all providers |
e55008a9 | 751 | */ |
36f5ec55 | 752 | ret = provider_forall_loaded(store, NULL, cb, cbdata); |
e55008a9 | 753 | |
85e2417c RL |
754 | CRYPTO_THREAD_unlock(store->lock); |
755 | } | |
756 | ||
757 | return ret; | |
758 | } | |
759 | ||
36f5ec55 RL |
760 | int ossl_provider_available(OSSL_PROVIDER *prov) |
761 | { | |
762 | if (prov != NULL) { | |
763 | CRYPTO_THREAD_read_lock(prov->store->lock); | |
764 | provider_activate_fallbacks(prov->store); | |
765 | CRYPTO_THREAD_unlock(prov->store->lock); | |
766 | ||
767 | return prov->flag_initialized; | |
768 | } | |
769 | return 0; | |
770 | } | |
771 | ||
e55008a9 RL |
772 | /* Setters of Provider Object data */ |
773 | int ossl_provider_set_fallback(OSSL_PROVIDER *prov) | |
774 | { | |
775 | if (prov == NULL) | |
776 | return 0; | |
777 | ||
778 | prov->flag_fallback = 1; | |
779 | return 1; | |
780 | } | |
781 | ||
4c2883a9 | 782 | /* Getters of Provider Object data */ |
24626a47 | 783 | const char *ossl_provider_name(const OSSL_PROVIDER *prov) |
4c2883a9 RL |
784 | { |
785 | return prov->name; | |
786 | } | |
787 | ||
24626a47 | 788 | const DSO *ossl_provider_dso(const OSSL_PROVIDER *prov) |
4c2883a9 RL |
789 | { |
790 | return prov->module; | |
791 | } | |
792 | ||
24626a47 | 793 | const char *ossl_provider_module_name(const OSSL_PROVIDER *prov) |
4c2883a9 | 794 | { |
f844f9eb | 795 | #ifdef FIPS_MODULE |
3593266d MC |
796 | return NULL; |
797 | #else | |
4c2883a9 | 798 | return DSO_get_filename(prov->module); |
3593266d | 799 | #endif |
4c2883a9 RL |
800 | } |
801 | ||
24626a47 | 802 | const char *ossl_provider_module_path(const OSSL_PROVIDER *prov) |
4c2883a9 | 803 | { |
f844f9eb | 804 | #ifdef FIPS_MODULE |
3593266d MC |
805 | return NULL; |
806 | #else | |
4c2883a9 RL |
807 | /* FIXME: Ensure it's a full path */ |
808 | return DSO_get_filename(prov->module); | |
3593266d | 809 | #endif |
4c2883a9 RL |
810 | } |
811 | ||
d01d3752 MC |
812 | void *ossl_provider_prov_ctx(const OSSL_PROVIDER *prov) |
813 | { | |
814 | if (prov != NULL) | |
815 | return prov->provctx; | |
816 | ||
817 | return NULL; | |
818 | } | |
819 | ||
b4250010 | 820 | OSSL_LIB_CTX *ossl_provider_library_context(const OSSL_PROVIDER *prov) |
e74bd290 | 821 | { |
185ce3d9 P |
822 | /* TODO(3.0) just: return prov->libctx; */ |
823 | return prov != NULL ? prov->libctx : NULL; | |
e74bd290 RL |
824 | } |
825 | ||
4c2883a9 RL |
826 | /* Wrappers around calls to the provider */ |
827 | void ossl_provider_teardown(const OSSL_PROVIDER *prov) | |
828 | { | |
829 | if (prov->teardown != NULL) | |
a39eb840 | 830 | prov->teardown(prov->provctx); |
4c2883a9 RL |
831 | } |
832 | ||
dca97d00 | 833 | const OSSL_PARAM *ossl_provider_gettable_params(const OSSL_PROVIDER *prov) |
4c2883a9 | 834 | { |
dca97d00 RL |
835 | return prov->gettable_params == NULL |
836 | ? NULL : prov->gettable_params(prov->provctx); | |
4c2883a9 RL |
837 | } |
838 | ||
4e7991b4 | 839 | int ossl_provider_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]) |
4c2883a9 | 840 | { |
a39eb840 RL |
841 | return prov->get_params == NULL |
842 | ? 0 : prov->get_params(prov->provctx, params); | |
4c2883a9 RL |
843 | } |
844 | ||
04cb5ec0 SL |
845 | int ossl_provider_self_test(const OSSL_PROVIDER *prov) |
846 | { | |
847 | int ret; | |
848 | ||
849 | if (prov->self_test == NULL) | |
850 | return 1; | |
851 | ret = prov->self_test(prov->provctx); | |
852 | if (ret == 0) | |
853 | evp_method_store_flush(ossl_provider_library_context(prov)); | |
854 | return ret; | |
855 | } | |
856 | ||
82ec09ec MC |
857 | int ossl_provider_get_capabilities(const OSSL_PROVIDER *prov, |
858 | const char *capability, | |
859 | OSSL_CALLBACK *cb, | |
860 | void *arg) | |
861 | { | |
862 | return prov->get_capabilities == NULL | |
08a1c9f2 | 863 | ? 1 : prov->get_capabilities(prov->provctx, capability, cb, arg); |
82ec09ec MC |
864 | } |
865 | ||
099bd339 RL |
866 | const OSSL_ALGORITHM *ossl_provider_query_operation(const OSSL_PROVIDER *prov, |
867 | int operation_id, | |
868 | int *no_cache) | |
869 | { | |
993c437d NT |
870 | return prov->query_operation == NULL |
871 | ? NULL : prov->query_operation(prov->provctx, operation_id, no_cache); | |
099bd339 RL |
872 | } |
873 | ||
5a29b628 RL |
874 | int ossl_provider_set_operation_bit(OSSL_PROVIDER *provider, size_t bitnum) |
875 | { | |
876 | size_t byte = bitnum / 8; | |
877 | unsigned char bit = (1 << (bitnum % 8)) & 0xFF; | |
878 | ||
879 | if (provider->operation_bits_sz <= byte) { | |
2b748d72 TS |
880 | unsigned char *tmp = OPENSSL_realloc(provider->operation_bits, |
881 | byte + 1); | |
882 | ||
883 | if (tmp == NULL) { | |
5a29b628 RL |
884 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE); |
885 | return 0; | |
886 | } | |
2b748d72 | 887 | provider->operation_bits = tmp; |
5a29b628 RL |
888 | memset(provider->operation_bits + provider->operation_bits_sz, |
889 | '\0', byte + 1 - provider->operation_bits_sz); | |
2b748d72 | 890 | provider->operation_bits_sz = byte + 1; |
5a29b628 RL |
891 | } |
892 | provider->operation_bits[byte] |= bit; | |
893 | return 1; | |
894 | } | |
895 | ||
896 | int ossl_provider_test_operation_bit(OSSL_PROVIDER *provider, size_t bitnum, | |
897 | int *result) | |
898 | { | |
899 | size_t byte = bitnum / 8; | |
900 | unsigned char bit = (1 << (bitnum % 8)) & 0xFF; | |
901 | ||
902 | if (!ossl_assert(result != NULL)) { | |
903 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER); | |
904 | return 0; | |
905 | } | |
906 | ||
907 | *result = 0; | |
908 | if (provider->operation_bits_sz > byte) | |
909 | *result = ((provider->operation_bits[byte] & bit) != 0); | |
910 | return 1; | |
911 | } | |
912 | ||
4c2883a9 RL |
913 | /*- |
914 | * Core functions for the provider | |
915 | * =============================== | |
916 | * | |
917 | * This is the set of functions that the core makes available to the provider | |
918 | */ | |
919 | ||
920 | /* | |
921 | * This returns a list of Provider Object parameters with their types, for | |
922 | * discovery. We do not expect that many providers will use this, but one | |
923 | * never knows. | |
924 | */ | |
26175013 | 925 | static const OSSL_PARAM param_types[] = { |
b8086652 SL |
926 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_CORE_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0), |
927 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_CORE_PROV_NAME, OSSL_PARAM_UTF8_PTR, | |
928 | NULL, 0), | |
929 | #ifndef FIPS_MODULE | |
930 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_CORE_MODULE_FILENAME, OSSL_PARAM_UTF8_PTR, | |
931 | NULL, 0), | |
932 | #endif | |
26175013 | 933 | OSSL_PARAM_END |
4c2883a9 RL |
934 | }; |
935 | ||
49c64346 RL |
936 | /* |
937 | * Forward declare all the functions that are provided aa dispatch. | |
938 | * This ensures that the compiler will complain if they aren't defined | |
939 | * with the correct signature. | |
940 | */ | |
363b1e5d DMSP |
941 | static OSSL_FUNC_core_gettable_params_fn core_gettable_params; |
942 | static OSSL_FUNC_core_get_params_fn core_get_params; | |
943 | static OSSL_FUNC_core_thread_start_fn core_thread_start; | |
944 | static OSSL_FUNC_core_get_library_context_fn core_get_libctx; | |
f844f9eb | 945 | #ifndef FIPS_MODULE |
363b1e5d DMSP |
946 | static OSSL_FUNC_core_new_error_fn core_new_error; |
947 | static OSSL_FUNC_core_set_error_debug_fn core_set_error_debug; | |
948 | static OSSL_FUNC_core_vset_error_fn core_vset_error; | |
949 | static OSSL_FUNC_core_set_error_mark_fn core_set_error_mark; | |
950 | static OSSL_FUNC_core_clear_last_error_mark_fn core_clear_last_error_mark; | |
951 | static OSSL_FUNC_core_pop_error_to_mark_fn core_pop_error_to_mark; | |
49c64346 RL |
952 | #endif |
953 | ||
d40b42ab | 954 | static const OSSL_PARAM *core_gettable_params(const OSSL_CORE_HANDLE *handle) |
4c2883a9 RL |
955 | { |
956 | return param_types; | |
957 | } | |
958 | ||
d40b42ab | 959 | static int core_get_params(const OSSL_CORE_HANDLE *handle, OSSL_PARAM params[]) |
4c2883a9 RL |
960 | { |
961 | int i; | |
4e7991b4 | 962 | OSSL_PARAM *p; |
d40b42ab MC |
963 | /* |
964 | * We created this object originally and we know it is actually an | |
965 | * OSSL_PROVIDER *, so the cast is safe | |
966 | */ | |
967 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
4c2883a9 | 968 | |
b8086652 | 969 | if ((p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_CORE_VERSION)) != NULL) |
ac1055ef | 970 | OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR); |
b8086652 | 971 | if ((p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_CORE_PROV_NAME)) != NULL) |
ac1055ef RL |
972 | OSSL_PARAM_set_utf8_ptr(p, prov->name); |
973 | ||
f844f9eb | 974 | #ifndef FIPS_MODULE |
b8086652 SL |
975 | if ((p = OSSL_PARAM_locate(params, |
976 | OSSL_PROV_PARAM_CORE_MODULE_FILENAME)) != NULL) | |
25e60144 SL |
977 | OSSL_PARAM_set_utf8_ptr(p, ossl_provider_module_path(prov)); |
978 | #endif | |
979 | ||
ac1055ef RL |
980 | if (prov->parameters == NULL) |
981 | return 1; | |
982 | ||
983 | for (i = 0; i < sk_INFOPAIR_num(prov->parameters); i++) { | |
984 | INFOPAIR *pair = sk_INFOPAIR_value(prov->parameters, i); | |
985 | ||
986 | if ((p = OSSL_PARAM_locate(params, pair->name)) != NULL) | |
987 | OSSL_PARAM_set_utf8_ptr(p, pair->value); | |
4c2883a9 | 988 | } |
4c2883a9 RL |
989 | return 1; |
990 | } | |
991 | ||
d40b42ab | 992 | static OPENSSL_CORE_CTX *core_get_libctx(const OSSL_CORE_HANDLE *handle) |
e7706e63 | 993 | { |
d40b42ab MC |
994 | /* |
995 | * We created this object originally and we know it is actually an | |
996 | * OSSL_PROVIDER *, so the cast is safe | |
997 | */ | |
998 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
999 | ||
1000 | return (OPENSSL_CORE_CTX *)ossl_provider_library_context(prov); | |
e7706e63 RL |
1001 | } |
1002 | ||
d40b42ab | 1003 | static int core_thread_start(const OSSL_CORE_HANDLE *handle, |
da747958 MC |
1004 | OSSL_thread_stop_handler_fn handfn) |
1005 | { | |
d40b42ab MC |
1006 | /* |
1007 | * We created this object originally and we know it is actually an | |
1008 | * OSSL_PROVIDER *, so the cast is safe | |
1009 | */ | |
1010 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
1011 | ||
6913f5fe | 1012 | return ossl_init_thread_start(prov, prov->provctx, handfn); |
da747958 MC |
1013 | } |
1014 | ||
6592ab81 RL |
1015 | /* |
1016 | * The FIPS module inner provider doesn't implement these. They aren't | |
1017 | * needed there, since the FIPS module upcalls are always the outer provider | |
1018 | * ones. | |
1019 | */ | |
f844f9eb | 1020 | #ifndef FIPS_MODULE |
49c64346 | 1021 | /* |
d40b42ab | 1022 | * TODO(3.0) These error functions should use |handle| to select the proper |
49c64346 RL |
1023 | * library context to report in the correct error stack, at least if error |
1024 | * stacks become tied to the library context. | |
1025 | * We cannot currently do that since there's no support for it in the | |
1026 | * ERR subsystem. | |
1027 | */ | |
d40b42ab | 1028 | static void core_new_error(const OSSL_CORE_HANDLE *handle) |
49c64346 RL |
1029 | { |
1030 | ERR_new(); | |
1031 | } | |
1032 | ||
d40b42ab | 1033 | static void core_set_error_debug(const OSSL_CORE_HANDLE *handle, |
49c64346 RL |
1034 | const char *file, int line, const char *func) |
1035 | { | |
1036 | ERR_set_debug(file, line, func); | |
1037 | } | |
1038 | ||
d40b42ab | 1039 | static void core_vset_error(const OSSL_CORE_HANDLE *handle, |
49c64346 | 1040 | uint32_t reason, const char *fmt, va_list args) |
6ebc2f56 | 1041 | { |
d40b42ab MC |
1042 | /* |
1043 | * We created this object originally and we know it is actually an | |
1044 | * OSSL_PROVIDER *, so the cast is safe | |
1045 | */ | |
1046 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
1047 | ||
6ebc2f56 RL |
1048 | /* |
1049 | * If the uppermost 8 bits are non-zero, it's an OpenSSL library | |
1050 | * error and will be treated as such. Otherwise, it's a new style | |
1051 | * provider error and will be treated as such. | |
1052 | */ | |
1053 | if (ERR_GET_LIB(reason) != 0) { | |
49c64346 | 1054 | ERR_vset_error(ERR_GET_LIB(reason), ERR_GET_REASON(reason), fmt, args); |
6ebc2f56 | 1055 | } else { |
49c64346 | 1056 | ERR_vset_error(prov->error_lib, (int)reason, fmt, args); |
6ebc2f56 RL |
1057 | } |
1058 | } | |
7b131de2 | 1059 | |
d40b42ab | 1060 | static int core_set_error_mark(const OSSL_CORE_HANDLE *handle) |
7b131de2 RL |
1061 | { |
1062 | return ERR_set_mark(); | |
1063 | } | |
1064 | ||
d40b42ab | 1065 | static int core_clear_last_error_mark(const OSSL_CORE_HANDLE *handle) |
7b131de2 RL |
1066 | { |
1067 | return ERR_clear_last_mark(); | |
1068 | } | |
1069 | ||
d40b42ab | 1070 | static int core_pop_error_to_mark(const OSSL_CORE_HANDLE *handle) |
7b131de2 RL |
1071 | { |
1072 | return ERR_pop_to_mark(); | |
1073 | } | |
f844f9eb | 1074 | #endif /* FIPS_MODULE */ |
6ebc2f56 | 1075 | |
b60cba3c RS |
1076 | /* |
1077 | * Functions provided by the core. Blank line separates "families" of related | |
1078 | * functions. | |
1079 | */ | |
4c2883a9 | 1080 | static const OSSL_DISPATCH core_dispatch_[] = { |
dca97d00 | 1081 | { OSSL_FUNC_CORE_GETTABLE_PARAMS, (void (*)(void))core_gettable_params }, |
4c2883a9 | 1082 | { OSSL_FUNC_CORE_GET_PARAMS, (void (*)(void))core_get_params }, |
e7706e63 | 1083 | { OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT, (void (*)(void))core_get_libctx }, |
da747958 | 1084 | { OSSL_FUNC_CORE_THREAD_START, (void (*)(void))core_thread_start }, |
f844f9eb | 1085 | #ifndef FIPS_MODULE |
49c64346 RL |
1086 | { OSSL_FUNC_CORE_NEW_ERROR, (void (*)(void))core_new_error }, |
1087 | { OSSL_FUNC_CORE_SET_ERROR_DEBUG, (void (*)(void))core_set_error_debug }, | |
1088 | { OSSL_FUNC_CORE_VSET_ERROR, (void (*)(void))core_vset_error }, | |
7b131de2 RL |
1089 | { OSSL_FUNC_CORE_SET_ERROR_MARK, (void (*)(void))core_set_error_mark }, |
1090 | { OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK, | |
1091 | (void (*)(void))core_clear_last_error_mark }, | |
d16d0b71 | 1092 | { OSSL_FUNC_CORE_POP_ERROR_TO_MARK, (void (*)(void))core_pop_error_to_mark }, |
25e60144 SL |
1093 | { OSSL_FUNC_BIO_NEW_FILE, (void (*)(void))BIO_new_file }, |
1094 | { OSSL_FUNC_BIO_NEW_MEMBUF, (void (*)(void))BIO_new_mem_buf }, | |
7bb82f92 | 1095 | { OSSL_FUNC_BIO_READ_EX, (void (*)(void))BIO_read_ex }, |
d40b42ab | 1096 | { OSSL_FUNC_BIO_WRITE_EX, (void (*)(void))BIO_write_ex }, |
853ca128 RL |
1097 | { OSSL_FUNC_BIO_GETS, (void (*)(void))BIO_gets }, |
1098 | { OSSL_FUNC_BIO_PUTS, (void (*)(void))BIO_puts }, | |
63f187cf | 1099 | { OSSL_FUNC_BIO_CTRL, (void (*)(void))BIO_ctrl }, |
25e60144 | 1100 | { OSSL_FUNC_BIO_FREE, (void (*)(void))BIO_free }, |
63665fff | 1101 | { OSSL_FUNC_BIO_VPRINTF, (void (*)(void))BIO_vprintf }, |
d16d0b71 | 1102 | { OSSL_FUNC_BIO_VSNPRINTF, (void (*)(void))BIO_vsnprintf }, |
36fc5fc6 | 1103 | { OSSL_FUNC_SELF_TEST_CB, (void (*)(void))OSSL_SELF_TEST_get_callback }, |
6592ab81 | 1104 | #endif |
b60cba3c RS |
1105 | { OSSL_FUNC_CRYPTO_MALLOC, (void (*)(void))CRYPTO_malloc }, |
1106 | { OSSL_FUNC_CRYPTO_ZALLOC, (void (*)(void))CRYPTO_zalloc }, | |
b60cba3c RS |
1107 | { OSSL_FUNC_CRYPTO_FREE, (void (*)(void))CRYPTO_free }, |
1108 | { OSSL_FUNC_CRYPTO_CLEAR_FREE, (void (*)(void))CRYPTO_clear_free }, | |
1109 | { OSSL_FUNC_CRYPTO_REALLOC, (void (*)(void))CRYPTO_realloc }, | |
1110 | { OSSL_FUNC_CRYPTO_CLEAR_REALLOC, (void (*)(void))CRYPTO_clear_realloc }, | |
1111 | { OSSL_FUNC_CRYPTO_SECURE_MALLOC, (void (*)(void))CRYPTO_secure_malloc }, | |
1112 | { OSSL_FUNC_CRYPTO_SECURE_ZALLOC, (void (*)(void))CRYPTO_secure_zalloc }, | |
1113 | { OSSL_FUNC_CRYPTO_SECURE_FREE, (void (*)(void))CRYPTO_secure_free }, | |
1114 | { OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE, | |
1115 | (void (*)(void))CRYPTO_secure_clear_free }, | |
1116 | { OSSL_FUNC_CRYPTO_SECURE_ALLOCATED, | |
1117 | (void (*)(void))CRYPTO_secure_allocated }, | |
1118 | { OSSL_FUNC_OPENSSL_CLEANSE, (void (*)(void))OPENSSL_cleanse }, | |
b60cba3c | 1119 | |
4c2883a9 RL |
1120 | { 0, NULL } |
1121 | }; | |
1122 | static const OSSL_DISPATCH *core_dispatch = core_dispatch_; |