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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> | |
11 | #include <openssl/core_numbers.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" |
c41f3ae0 | 17 | #include "internal/nelem.h" |
4c2883a9 RL |
18 | #include "internal/thread_once.h" |
19 | #include "internal/provider.h" | |
20 | #include "internal/refcount.h" | |
c41f3ae0 | 21 | #include "provider_local.h" |
f844f9eb | 22 | #ifndef FIPS_MODULE |
36fc5fc6 SL |
23 | # include <openssl/self_test.h> |
24 | #endif | |
c41f3ae0 RL |
25 | |
26 | static OSSL_PROVIDER *provider_new(const char *name, | |
27 | OSSL_provider_init_fn *init_function); | |
4c2883a9 RL |
28 | |
29 | /*- | |
30 | * Provider Object structure | |
31 | * ========================= | |
32 | */ | |
33 | ||
ac1055ef RL |
34 | typedef struct { |
35 | char *name; | |
36 | char *value; | |
37 | } INFOPAIR; | |
38 | DEFINE_STACK_OF(INFOPAIR) | |
39 | ||
4c2883a9 RL |
40 | struct provider_store_st; /* Forward declaration */ |
41 | ||
42 | struct ossl_provider_st { | |
43 | /* Flag bits */ | |
44 | unsigned int flag_initialized:1; | |
c8567c39 RL |
45 | unsigned int flag_fallback:1; /* Can be used as fallback */ |
46 | unsigned int flag_activated_as_fallback:1; | |
4c2883a9 RL |
47 | |
48 | /* OpenSSL library side data */ | |
49 | CRYPTO_REF_COUNT refcnt; | |
085bef9f | 50 | CRYPTO_RWLOCK *refcnt_lock; /* For the ref counter */ |
4c2883a9 | 51 | char *name; |
ac1055ef | 52 | char *path; |
4c2883a9 RL |
53 | DSO *module; |
54 | OSSL_provider_init_fn *init_function; | |
ac1055ef | 55 | STACK_OF(INFOPAIR) *parameters; |
e7706e63 | 56 | OPENSSL_CTX *libctx; /* The library context this instance is in */ |
e55008a9 | 57 | struct provider_store_st *store; /* The store this instance belongs to */ |
f844f9eb | 58 | #ifndef FIPS_MODULE |
6592ab81 RL |
59 | /* |
60 | * In the FIPS module inner provider, this isn't needed, since the | |
61 | * error upcalls are always direct calls to the outer provider. | |
62 | */ | |
6ebc2f56 | 63 | int error_lib; /* ERR library number, one for each provider */ |
6592ab81 | 64 | # ifndef OPENSSL_NO_ERR |
6ebc2f56 | 65 | ERR_STRING_DATA *error_strings; /* Copy of what the provider gives us */ |
6592ab81 | 66 | # endif |
6ebc2f56 | 67 | #endif |
4c2883a9 RL |
68 | |
69 | /* Provider side functions */ | |
70 | OSSL_provider_teardown_fn *teardown; | |
dca97d00 | 71 | OSSL_provider_gettable_params_fn *gettable_params; |
4c2883a9 | 72 | OSSL_provider_get_params_fn *get_params; |
099bd339 | 73 | OSSL_provider_query_operation_fn *query_operation; |
a39eb840 | 74 | |
5a29b628 RL |
75 | /* |
76 | * Cache of bit to indicate of query_operation() has been called on | |
77 | * a specific operation or not. | |
78 | */ | |
79 | unsigned char *operation_bits; | |
80 | size_t operation_bits_sz; | |
81 | ||
a39eb840 RL |
82 | /* Provider side data */ |
83 | void *provctx; | |
4c2883a9 RL |
84 | }; |
85 | DEFINE_STACK_OF(OSSL_PROVIDER) | |
86 | ||
87 | static int ossl_provider_cmp(const OSSL_PROVIDER * const *a, | |
88 | const OSSL_PROVIDER * const *b) | |
89 | { | |
90 | return strcmp((*a)->name, (*b)->name); | |
91 | } | |
92 | ||
93 | /*- | |
94 | * Provider Object store | |
95 | * ===================== | |
96 | * | |
97 | * The Provider Object store is a library context object, and therefore needs | |
98 | * an index. | |
99 | */ | |
100 | ||
101 | struct provider_store_st { | |
102 | STACK_OF(OSSL_PROVIDER) *providers; | |
103 | CRYPTO_RWLOCK *lock; | |
6bd4e3f2 | 104 | char *default_path; |
e55008a9 | 105 | unsigned int use_fallbacks:1; |
4c2883a9 | 106 | }; |
4c2883a9 | 107 | |
c8567c39 RL |
108 | /* |
109 | * provider_deactivate_free() is a wrapper around ossl_provider_free() | |
110 | * that also makes sure that activated fallback providers are deactivated. | |
111 | * This is simply done by freeing them an extra time, to compensate for the | |
112 | * refcount that provider_activate_fallbacks() gives them. | |
113 | * Since this is only called when the provider store is being emptied, we | |
114 | * don't need to care about any lock. | |
115 | */ | |
116 | static void provider_deactivate_free(OSSL_PROVIDER *prov) | |
117 | { | |
118 | int extra_free = (prov->flag_initialized | |
119 | && prov->flag_activated_as_fallback); | |
120 | ||
121 | if (extra_free) | |
122 | ossl_provider_free(prov); | |
123 | ossl_provider_free(prov); | |
124 | } | |
125 | ||
4c2883a9 RL |
126 | static void provider_store_free(void *vstore) |
127 | { | |
128 | struct provider_store_st *store = vstore; | |
129 | ||
130 | if (store == NULL) | |
131 | return; | |
6bd4e3f2 | 132 | OPENSSL_free(store->default_path); |
c8567c39 | 133 | sk_OSSL_PROVIDER_pop_free(store->providers, provider_deactivate_free); |
4c2883a9 RL |
134 | CRYPTO_THREAD_lock_free(store->lock); |
135 | OPENSSL_free(store); | |
136 | } | |
137 | ||
1aedc35f | 138 | static void *provider_store_new(OPENSSL_CTX *ctx) |
4c2883a9 RL |
139 | { |
140 | struct provider_store_st *store = OPENSSL_zalloc(sizeof(*store)); | |
c41f3ae0 | 141 | const struct predefined_providers_st *p = NULL; |
4c2883a9 RL |
142 | |
143 | if (store == NULL | |
144 | || (store->providers = sk_OSSL_PROVIDER_new(ossl_provider_cmp)) == NULL | |
145 | || (store->lock = CRYPTO_THREAD_lock_new()) == NULL) { | |
146 | provider_store_free(store); | |
e55008a9 | 147 | return NULL; |
4c2883a9 | 148 | } |
e55008a9 | 149 | store->use_fallbacks = 1; |
c41f3ae0 RL |
150 | |
151 | for (p = predefined_providers; p->name != NULL; p++) { | |
152 | OSSL_PROVIDER *prov = NULL; | |
153 | ||
154 | /* | |
155 | * We use the internal constructor directly here, | |
156 | * otherwise we get a call loop | |
157 | */ | |
158 | prov = provider_new(p->name, p->init); | |
159 | ||
160 | if (prov == NULL | |
161 | || sk_OSSL_PROVIDER_push(store->providers, prov) == 0) { | |
162 | ossl_provider_free(prov); | |
163 | provider_store_free(store); | |
164 | CRYPTOerr(CRYPTO_F_PROVIDER_STORE_NEW, ERR_R_INTERNAL_ERROR); | |
165 | return NULL; | |
166 | } | |
e7706e63 | 167 | prov->libctx = ctx; |
c41f3ae0 | 168 | prov->store = store; |
f844f9eb | 169 | #ifndef FIPS_MODULE |
6ebc2f56 | 170 | prov->error_lib = ERR_get_next_error_library(); |
6592ab81 | 171 | #endif |
c41f3ae0 RL |
172 | if(p->is_fallback) |
173 | ossl_provider_set_fallback(prov); | |
174 | } | |
175 | ||
4c2883a9 RL |
176 | return store; |
177 | } | |
178 | ||
179 | static const OPENSSL_CTX_METHOD provider_store_method = { | |
180 | provider_store_new, | |
181 | provider_store_free, | |
182 | }; | |
183 | ||
4c2883a9 RL |
184 | static struct provider_store_st *get_provider_store(OPENSSL_CTX *libctx) |
185 | { | |
186 | struct provider_store_st *store = NULL; | |
187 | ||
1aedc35f MC |
188 | store = openssl_ctx_get_data(libctx, OPENSSL_CTX_PROVIDER_STORE_INDEX, |
189 | &provider_store_method); | |
4c2883a9 RL |
190 | if (store == NULL) |
191 | CRYPTOerr(CRYPTO_F_GET_PROVIDER_STORE, ERR_R_INTERNAL_ERROR); | |
192 | return store; | |
193 | } | |
194 | ||
29dc6e00 MC |
195 | OSSL_PROVIDER *ossl_provider_find(OPENSSL_CTX *libctx, const char *name, |
196 | int noconfig) | |
4c2883a9 RL |
197 | { |
198 | struct provider_store_st *store = NULL; | |
199 | OSSL_PROVIDER *prov = NULL; | |
200 | ||
201 | if ((store = get_provider_store(libctx)) != NULL) { | |
202 | OSSL_PROVIDER tmpl = { 0, }; | |
203 | int i; | |
204 | ||
f844f9eb | 205 | #ifndef FIPS_MODULE |
29dc6e00 MC |
206 | /* |
207 | * Make sure any providers are loaded from config before we try to find | |
208 | * them. | |
209 | */ | |
210 | if (!noconfig) | |
211 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL); | |
212 | #endif | |
213 | ||
4c2883a9 RL |
214 | tmpl.name = (char *)name; |
215 | CRYPTO_THREAD_write_lock(store->lock); | |
216 | if ((i = sk_OSSL_PROVIDER_find(store->providers, &tmpl)) == -1 | |
217 | || (prov = sk_OSSL_PROVIDER_value(store->providers, i)) == NULL | |
7c95390e | 218 | || !ossl_provider_up_ref(prov)) |
4c2883a9 RL |
219 | prov = NULL; |
220 | CRYPTO_THREAD_unlock(store->lock); | |
221 | } | |
222 | ||
223 | return prov; | |
224 | } | |
225 | ||
c41f3ae0 RL |
226 | /*- |
227 | * Provider Object methods | |
228 | * ======================= | |
229 | */ | |
230 | ||
231 | static OSSL_PROVIDER *provider_new(const char *name, | |
232 | OSSL_provider_init_fn *init_function) | |
233 | { | |
234 | OSSL_PROVIDER *prov = NULL; | |
235 | ||
236 | if ((prov = OPENSSL_zalloc(sizeof(*prov))) == NULL | |
237 | #ifndef HAVE_ATOMICS | |
238 | || (prov->refcnt_lock = CRYPTO_THREAD_lock_new()) == NULL | |
239 | #endif | |
7c95390e | 240 | || !ossl_provider_up_ref(prov) /* +1 One reference to be returned */ |
c41f3ae0 RL |
241 | || (prov->name = OPENSSL_strdup(name)) == NULL) { |
242 | ossl_provider_free(prov); | |
243 | CRYPTOerr(CRYPTO_F_PROVIDER_NEW, ERR_R_MALLOC_FAILURE); | |
244 | return NULL; | |
245 | } | |
246 | ||
247 | prov->init_function = init_function; | |
248 | return prov; | |
249 | } | |
250 | ||
7c95390e | 251 | int ossl_provider_up_ref(OSSL_PROVIDER *prov) |
c41f3ae0 RL |
252 | { |
253 | int ref = 0; | |
254 | ||
ad14e8e5 SL |
255 | if (CRYPTO_UP_REF(&prov->refcnt, &ref, prov->refcnt_lock) <= 0) |
256 | return 0; | |
c41f3ae0 RL |
257 | return ref; |
258 | } | |
259 | ||
4c2883a9 | 260 | OSSL_PROVIDER *ossl_provider_new(OPENSSL_CTX *libctx, const char *name, |
29dc6e00 MC |
261 | OSSL_provider_init_fn *init_function, |
262 | int noconfig) | |
4c2883a9 RL |
263 | { |
264 | struct provider_store_st *store = NULL; | |
265 | OSSL_PROVIDER *prov = NULL; | |
266 | ||
267 | if ((store = get_provider_store(libctx)) == NULL) | |
268 | return NULL; | |
269 | ||
29dc6e00 MC |
270 | if ((prov = ossl_provider_find(libctx, name, |
271 | noconfig)) != NULL) { /* refcount +1 */ | |
4c2883a9 | 272 | ossl_provider_free(prov); /* refcount -1 */ |
49c64346 RL |
273 | ERR_raise_data(ERR_LIB_CRYPTO, CRYPTO_R_PROVIDER_ALREADY_EXISTS, NULL, |
274 | "name=%s", name); | |
4c2883a9 RL |
275 | return NULL; |
276 | } | |
277 | ||
c41f3ae0 RL |
278 | /* provider_new() generates an error, so no need here */ |
279 | if ((prov = provider_new(name, init_function)) == NULL) | |
4c2883a9 | 280 | return NULL; |
4c2883a9 RL |
281 | |
282 | CRYPTO_THREAD_write_lock(store->lock); | |
7c95390e | 283 | if (!ossl_provider_up_ref(prov)) { /* +1 One reference for the store */ |
4c2883a9 RL |
284 | ossl_provider_free(prov); /* -1 Reference that was to be returned */ |
285 | prov = NULL; | |
286 | } else if (sk_OSSL_PROVIDER_push(store->providers, prov) == 0) { | |
287 | ossl_provider_free(prov); /* -1 Store reference */ | |
288 | ossl_provider_free(prov); /* -1 Reference that was to be returned */ | |
289 | prov = NULL; | |
e55008a9 | 290 | } else { |
e7706e63 | 291 | prov->libctx = libctx; |
e55008a9 | 292 | prov->store = store; |
f844f9eb | 293 | #ifndef FIPS_MODULE |
6ebc2f56 | 294 | prov->error_lib = ERR_get_next_error_library(); |
6592ab81 | 295 | #endif |
4c2883a9 RL |
296 | } |
297 | CRYPTO_THREAD_unlock(store->lock); | |
298 | ||
299 | if (prov == NULL) | |
300 | CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_NEW, ERR_R_MALLOC_FAILURE); | |
301 | ||
302 | /* | |
303 | * At this point, the provider is only partially "loaded". To be | |
304 | * fully "loaded", ossl_provider_activate() must also be called. | |
305 | */ | |
306 | ||
307 | return prov; | |
308 | } | |
309 | ||
ac1055ef RL |
310 | static void free_infopair(INFOPAIR *pair) |
311 | { | |
312 | OPENSSL_free(pair->name); | |
313 | OPENSSL_free(pair->value); | |
314 | OPENSSL_free(pair); | |
315 | } | |
316 | ||
4c2883a9 RL |
317 | void ossl_provider_free(OSSL_PROVIDER *prov) |
318 | { | |
319 | if (prov != NULL) { | |
320 | int ref = 0; | |
321 | ||
085bef9f | 322 | CRYPTO_DOWN_REF(&prov->refcnt, &ref, prov->refcnt_lock); |
4c2883a9 RL |
323 | |
324 | /* | |
e55008a9 RL |
325 | * When the refcount drops below two, the store is the only |
326 | * possible reference, or it has already been taken away from | |
327 | * the store (this may happen if a provider was activated | |
328 | * because it's a fallback, but isn't currently used) | |
4c2883a9 RL |
329 | * When that happens, the provider is inactivated. |
330 | */ | |
e55008a9 | 331 | if (ref < 2 && prov->flag_initialized) { |
f844f9eb | 332 | #ifndef FIPS_MODULE |
6913f5fe MC |
333 | ossl_init_thread_deregister(prov); |
334 | #endif | |
4c2883a9 | 335 | if (prov->teardown != NULL) |
a39eb840 | 336 | prov->teardown(prov->provctx); |
6ebc2f56 | 337 | #ifndef OPENSSL_NO_ERR |
f844f9eb | 338 | # ifndef FIPS_MODULE |
6ebc2f56 RL |
339 | if (prov->error_strings != NULL) { |
340 | ERR_unload_strings(prov->error_lib, prov->error_strings); | |
341 | OPENSSL_free(prov->error_strings); | |
342 | prov->error_strings = NULL; | |
343 | } | |
344 | # endif | |
345 | #endif | |
5a29b628 RL |
346 | OPENSSL_free(prov->operation_bits); |
347 | prov->operation_bits = NULL; | |
348 | prov->operation_bits_sz = 0; | |
4c2883a9 RL |
349 | prov->flag_initialized = 0; |
350 | } | |
351 | ||
352 | /* | |
353 | * When the refcount drops to zero, it has been taken out of | |
354 | * the store. All we have to do here is clean it out. | |
355 | */ | |
356 | if (ref == 0) { | |
f844f9eb | 357 | #ifndef FIPS_MODULE |
4c2883a9 | 358 | DSO_free(prov->module); |
3593266d | 359 | #endif |
4c2883a9 | 360 | OPENSSL_free(prov->name); |
ac1055ef RL |
361 | OPENSSL_free(prov->path); |
362 | sk_INFOPAIR_pop_free(prov->parameters, free_infopair); | |
085bef9f RL |
363 | #ifndef HAVE_ATOMICS |
364 | CRYPTO_THREAD_lock_free(prov->refcnt_lock); | |
365 | #endif | |
4c2883a9 RL |
366 | OPENSSL_free(prov); |
367 | } | |
368 | } | |
369 | } | |
370 | ||
ac1055ef RL |
371 | /* Setters */ |
372 | int ossl_provider_set_module_path(OSSL_PROVIDER *prov, const char *module_path) | |
373 | { | |
374 | OPENSSL_free(prov->path); | |
375 | if (module_path == NULL) | |
376 | return 1; | |
377 | if ((prov->path = OPENSSL_strdup(module_path)) != NULL) | |
378 | return 1; | |
379 | CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_SET_MODULE_PATH, ERR_R_MALLOC_FAILURE); | |
380 | return 0; | |
381 | } | |
382 | ||
383 | int ossl_provider_add_parameter(OSSL_PROVIDER *prov, | |
384 | const char *name, const char *value) | |
385 | { | |
386 | INFOPAIR *pair = NULL; | |
387 | ||
388 | if ((pair = OPENSSL_zalloc(sizeof(*pair))) != NULL | |
389 | && (prov->parameters != NULL | |
390 | || (prov->parameters = sk_INFOPAIR_new_null()) != NULL) | |
391 | && (pair->name = OPENSSL_strdup(name)) != NULL | |
392 | && (pair->value = OPENSSL_strdup(value)) != NULL | |
393 | && sk_INFOPAIR_push(prov->parameters, pair) > 0) | |
394 | return 1; | |
395 | ||
396 | if (pair != NULL) { | |
397 | OPENSSL_free(pair->name); | |
398 | OPENSSL_free(pair->value); | |
399 | OPENSSL_free(pair); | |
400 | } | |
401 | CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_ADD_PARAMETER, ERR_R_MALLOC_FAILURE); | |
402 | return 0; | |
403 | } | |
404 | ||
4c2883a9 RL |
405 | /* |
406 | * Provider activation. | |
407 | * | |
408 | * What "activation" means depends on the provider form; for built in | |
409 | * providers (in the library or the application alike), the provider | |
410 | * can already be considered to be loaded, all that's needed is to | |
411 | * initialize it. However, for dynamically loadable provider modules, | |
412 | * we must first load that module. | |
413 | * | |
414 | * Built in modules are distinguished from dynamically loaded modules | |
415 | * with an already assigned init function. | |
416 | */ | |
417 | static const OSSL_DISPATCH *core_dispatch; /* Define further down */ | |
418 | ||
6bd4e3f2 P |
419 | int OSSL_PROVIDER_set_default_search_path(OPENSSL_CTX *libctx, const char *path) |
420 | { | |
421 | struct provider_store_st *store; | |
422 | char *p = NULL; | |
423 | ||
424 | if (path != NULL) { | |
425 | p = OPENSSL_strdup(path); | |
426 | if (p == NULL) { | |
427 | CRYPTOerr(0, ERR_R_MALLOC_FAILURE); | |
428 | return 0; | |
429 | } | |
430 | } | |
431 | if ((store = get_provider_store(libctx)) != NULL | |
432 | && CRYPTO_THREAD_write_lock(store->lock)) { | |
433 | OPENSSL_free(store->default_path); | |
434 | store->default_path = p; | |
435 | CRYPTO_THREAD_unlock(store->lock); | |
436 | return 1; | |
437 | } | |
438 | OPENSSL_free(p); | |
439 | return 0; | |
440 | } | |
441 | ||
e55008a9 RL |
442 | /* |
443 | * Internal version that doesn't affect the store flags, and thereby avoid | |
444 | * locking. Direct callers must remember to set the store flags when | |
e7706e63 | 445 | * appropriate. |
e55008a9 | 446 | */ |
e7706e63 | 447 | static int provider_activate(OSSL_PROVIDER *prov) |
4c2883a9 RL |
448 | { |
449 | const OSSL_DISPATCH *provider_dispatch = NULL; | |
914db66d | 450 | void *tmp_provctx = NULL; /* safety measure */ |
6ebc2f56 | 451 | #ifndef OPENSSL_NO_ERR |
f844f9eb | 452 | # ifndef FIPS_MODULE |
6ebc2f56 | 453 | OSSL_provider_get_reason_strings_fn *p_get_reason_strings = NULL; |
6592ab81 | 454 | # endif |
6ebc2f56 | 455 | #endif |
4c2883a9 RL |
456 | |
457 | if (prov->flag_initialized) | |
458 | return 1; | |
459 | ||
460 | /* | |
461 | * If the init function isn't set, it indicates that this provider is | |
462 | * a loadable module. | |
463 | */ | |
464 | if (prov->init_function == NULL) { | |
f844f9eb | 465 | #ifdef FIPS_MODULE |
3593266d MC |
466 | return 0; |
467 | #else | |
4c2883a9 | 468 | if (prov->module == NULL) { |
ac1055ef RL |
469 | char *allocated_path = NULL; |
470 | const char *module_path = NULL; | |
471 | char *merged_path = NULL; | |
6bd4e3f2 P |
472 | const char *load_dir = NULL; |
473 | struct provider_store_st *store; | |
4c2883a9 RL |
474 | |
475 | if ((prov->module = DSO_new()) == NULL) { | |
476 | /* DSO_new() generates an error already */ | |
477 | return 0; | |
478 | } | |
479 | ||
6bd4e3f2 P |
480 | if ((store = get_provider_store(prov->libctx)) == NULL |
481 | || !CRYPTO_THREAD_read_lock(store->lock)) | |
482 | return 0; | |
483 | load_dir = store->default_path; | |
484 | ||
485 | if (load_dir == NULL) { | |
486 | load_dir = ossl_safe_getenv("OPENSSL_MODULES"); | |
487 | if (load_dir == NULL) | |
488 | load_dir = MODULESDIR; | |
489 | } | |
4c2883a9 RL |
490 | |
491 | DSO_ctrl(prov->module, DSO_CTRL_SET_FLAGS, | |
492 | DSO_FLAG_NAME_TRANSLATION_EXT_ONLY, NULL); | |
ac1055ef RL |
493 | |
494 | module_path = prov->path; | |
495 | if (module_path == NULL) | |
496 | module_path = allocated_path = | |
497 | DSO_convert_filename(prov->module, prov->name); | |
498 | if (module_path != NULL) | |
499 | merged_path = DSO_merge(prov->module, module_path, load_dir); | |
6bd4e3f2 | 500 | CRYPTO_THREAD_unlock(store->lock); |
ac1055ef RL |
501 | |
502 | if (merged_path == NULL | |
503 | || (DSO_load(prov->module, merged_path, NULL, 0)) == NULL) { | |
4c2883a9 RL |
504 | DSO_free(prov->module); |
505 | prov->module = NULL; | |
506 | } | |
507 | ||
ac1055ef RL |
508 | OPENSSL_free(merged_path); |
509 | OPENSSL_free(allocated_path); | |
4c2883a9 RL |
510 | } |
511 | ||
512 | if (prov->module != NULL) | |
513 | prov->init_function = (OSSL_provider_init_fn *) | |
514 | DSO_bind_func(prov->module, "OSSL_provider_init"); | |
3593266d | 515 | #endif |
4c2883a9 RL |
516 | } |
517 | ||
e7706e63 | 518 | /* Call the initialise function for the provider. */ |
4c2883a9 | 519 | if (prov->init_function == NULL |
d40b42ab MC |
520 | || !prov->init_function((OSSL_CORE_HANDLE *)prov, core_dispatch, |
521 | &provider_dispatch, &tmp_provctx)) { | |
49c64346 RL |
522 | ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_INIT_FAIL, NULL, |
523 | "name=%s", prov->name); | |
f844f9eb | 524 | #ifndef FIPS_MODULE |
4c2883a9 RL |
525 | DSO_free(prov->module); |
526 | prov->module = NULL; | |
3593266d | 527 | #endif |
4c2883a9 RL |
528 | return 0; |
529 | } | |
914db66d | 530 | prov->provctx = tmp_provctx; |
4c2883a9 RL |
531 | |
532 | for (; provider_dispatch->function_id != 0; provider_dispatch++) { | |
533 | switch (provider_dispatch->function_id) { | |
534 | case OSSL_FUNC_PROVIDER_TEARDOWN: | |
535 | prov->teardown = | |
536 | OSSL_get_provider_teardown(provider_dispatch); | |
537 | break; | |
dca97d00 RL |
538 | case OSSL_FUNC_PROVIDER_GETTABLE_PARAMS: |
539 | prov->gettable_params = | |
540 | OSSL_get_provider_gettable_params(provider_dispatch); | |
4c2883a9 RL |
541 | break; |
542 | case OSSL_FUNC_PROVIDER_GET_PARAMS: | |
543 | prov->get_params = | |
544 | OSSL_get_provider_get_params(provider_dispatch); | |
545 | break; | |
099bd339 RL |
546 | case OSSL_FUNC_PROVIDER_QUERY_OPERATION: |
547 | prov->query_operation = | |
548 | OSSL_get_provider_query_operation(provider_dispatch); | |
549 | break; | |
6ebc2f56 | 550 | #ifndef OPENSSL_NO_ERR |
f844f9eb | 551 | # ifndef FIPS_MODULE |
6ebc2f56 RL |
552 | case OSSL_FUNC_PROVIDER_GET_REASON_STRINGS: |
553 | p_get_reason_strings = | |
554 | OSSL_get_provider_get_reason_strings(provider_dispatch); | |
555 | break; | |
6592ab81 | 556 | # endif |
6ebc2f56 RL |
557 | #endif |
558 | } | |
559 | } | |
560 | ||
561 | #ifndef OPENSSL_NO_ERR | |
f844f9eb | 562 | # ifndef FIPS_MODULE |
6ebc2f56 RL |
563 | if (p_get_reason_strings != NULL) { |
564 | const OSSL_ITEM *reasonstrings = p_get_reason_strings(prov->provctx); | |
565 | size_t cnt, cnt2; | |
566 | ||
567 | /* | |
568 | * ERR_load_strings() handles ERR_STRING_DATA rather than OSSL_ITEM, | |
569 | * although they are essentially the same type. | |
570 | * Furthermore, ERR_load_strings() patches the array's error number | |
571 | * with the error library number, so we need to make a copy of that | |
572 | * array either way. | |
573 | */ | |
fd03868b | 574 | cnt = 0; |
6ebc2f56 RL |
575 | while (reasonstrings[cnt].id != 0) { |
576 | if (ERR_GET_LIB(reasonstrings[cnt].id) != 0) | |
577 | return 0; | |
578 | cnt++; | |
579 | } | |
fd03868b | 580 | cnt++; /* One for the terminating item */ |
6ebc2f56 RL |
581 | |
582 | /* Allocate one extra item for the "library" name */ | |
583 | prov->error_strings = | |
584 | OPENSSL_zalloc(sizeof(ERR_STRING_DATA) * (cnt + 1)); | |
585 | if (prov->error_strings == NULL) | |
586 | return 0; | |
587 | ||
588 | /* | |
589 | * Set the "library" name. | |
590 | */ | |
591 | prov->error_strings[0].error = ERR_PACK(prov->error_lib, 0, 0); | |
592 | prov->error_strings[0].string = prov->name; | |
593 | /* | |
594 | * Copy reasonstrings item 0..cnt-1 to prov->error_trings positions | |
595 | * 1..cnt. | |
596 | */ | |
597 | for (cnt2 = 1; cnt2 <= cnt; cnt2++) { | |
598 | prov->error_strings[cnt2].error = (int)reasonstrings[cnt2-1].id; | |
599 | prov->error_strings[cnt2].string = reasonstrings[cnt2-1].ptr; | |
4c2883a9 | 600 | } |
6ebc2f56 RL |
601 | |
602 | ERR_load_strings(prov->error_lib, prov->error_strings); | |
4c2883a9 | 603 | } |
6592ab81 | 604 | # endif |
6ebc2f56 | 605 | #endif |
4c2883a9 RL |
606 | |
607 | /* With this flag set, this provider has become fully "loaded". */ | |
608 | prov->flag_initialized = 1; | |
609 | ||
610 | return 1; | |
611 | } | |
612 | ||
e55008a9 RL |
613 | int ossl_provider_activate(OSSL_PROVIDER *prov) |
614 | { | |
e7706e63 | 615 | if (provider_activate(prov)) { |
e55008a9 RL |
616 | CRYPTO_THREAD_write_lock(prov->store->lock); |
617 | prov->store->use_fallbacks = 0; | |
618 | CRYPTO_THREAD_unlock(prov->store->lock); | |
619 | return 1; | |
620 | } | |
621 | ||
622 | return 0; | |
623 | } | |
624 | ||
a39eb840 RL |
625 | void *ossl_provider_ctx(const OSSL_PROVIDER *prov) |
626 | { | |
627 | return prov->provctx; | |
628 | } | |
629 | ||
e55008a9 RL |
630 | |
631 | static int provider_forall_loaded(struct provider_store_st *store, | |
632 | int *found_activated, | |
633 | int (*cb)(OSSL_PROVIDER *provider, | |
634 | void *cbdata), | |
635 | void *cbdata) | |
636 | { | |
637 | int i; | |
638 | int ret = 1; | |
29dc6e00 MC |
639 | int num_provs; |
640 | ||
29dc6e00 | 641 | num_provs = sk_OSSL_PROVIDER_num(store->providers); |
e55008a9 RL |
642 | |
643 | if (found_activated != NULL) | |
644 | *found_activated = 0; | |
645 | for (i = 0; i < num_provs; i++) { | |
646 | OSSL_PROVIDER *prov = | |
647 | sk_OSSL_PROVIDER_value(store->providers, i); | |
648 | ||
649 | if (prov->flag_initialized) { | |
650 | if (found_activated != NULL) | |
651 | *found_activated = 1; | |
652 | if (!(ret = cb(prov, cbdata))) | |
653 | break; | |
654 | } | |
655 | } | |
656 | ||
657 | return ret; | |
658 | } | |
659 | ||
36f5ec55 RL |
660 | /* |
661 | * This function only does something once when store->use_fallbacks == 1, | |
662 | * and then sets store->use_fallbacks = 0, so the second call and so on is | |
663 | * effectively a no-op. | |
664 | */ | |
665 | static void provider_activate_fallbacks(struct provider_store_st *store) | |
666 | { | |
667 | if (store->use_fallbacks) { | |
668 | int num_provs = sk_OSSL_PROVIDER_num(store->providers); | |
669 | int activated_fallback_count = 0; | |
670 | int i; | |
671 | ||
672 | for (i = 0; i < num_provs; i++) { | |
673 | OSSL_PROVIDER *prov = sk_OSSL_PROVIDER_value(store->providers, i); | |
674 | ||
675 | /* | |
c8567c39 RL |
676 | * Activated fallback providers get an extra refcount, to |
677 | * simulate a regular load. | |
678 | * Note that we don't care if the activation succeeds or not, | |
679 | * other than to maintain a correct refcount. If the activation | |
680 | * doesn't succeed, then any future attempt to use the fallback | |
681 | * provider will fail anyway. | |
36f5ec55 RL |
682 | */ |
683 | if (prov->flag_fallback) { | |
c8567c39 RL |
684 | if (ossl_provider_up_ref(prov)) { |
685 | if (!provider_activate(prov)) { | |
686 | ossl_provider_free(prov); | |
687 | } else { | |
688 | prov->flag_activated_as_fallback = 1; | |
689 | activated_fallback_count++; | |
690 | } | |
691 | } | |
36f5ec55 RL |
692 | } |
693 | } | |
694 | ||
695 | /* | |
696 | * We assume that all fallbacks have been added to the store before | |
697 | * any fallback is activated. | |
698 | * TODO: We may have to reconsider this, IF we find ourselves adding | |
699 | * fallbacks after any previous fallback has been activated. | |
700 | */ | |
701 | if (activated_fallback_count > 0) | |
702 | store->use_fallbacks = 0; | |
703 | } | |
704 | } | |
705 | ||
85e2417c RL |
706 | int ossl_provider_forall_loaded(OPENSSL_CTX *ctx, |
707 | int (*cb)(OSSL_PROVIDER *provider, | |
708 | void *cbdata), | |
709 | void *cbdata) | |
710 | { | |
711 | int ret = 1; | |
85e2417c RL |
712 | struct provider_store_st *store = get_provider_store(ctx); |
713 | ||
f844f9eb | 714 | #ifndef FIPS_MODULE |
5c5cdcd8 MC |
715 | /* |
716 | * Make sure any providers are loaded from config before we try to use | |
717 | * them. | |
718 | */ | |
719 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL); | |
720 | #endif | |
721 | ||
85e2417c RL |
722 | if (store != NULL) { |
723 | CRYPTO_THREAD_read_lock(store->lock); | |
36f5ec55 RL |
724 | |
725 | provider_activate_fallbacks(store); | |
85e2417c | 726 | |
e55008a9 | 727 | /* |
36f5ec55 | 728 | * Now, we sweep through all providers |
e55008a9 | 729 | */ |
36f5ec55 | 730 | ret = provider_forall_loaded(store, NULL, cb, cbdata); |
e55008a9 | 731 | |
85e2417c RL |
732 | CRYPTO_THREAD_unlock(store->lock); |
733 | } | |
734 | ||
735 | return ret; | |
736 | } | |
737 | ||
36f5ec55 RL |
738 | int ossl_provider_available(OSSL_PROVIDER *prov) |
739 | { | |
740 | if (prov != NULL) { | |
741 | CRYPTO_THREAD_read_lock(prov->store->lock); | |
742 | provider_activate_fallbacks(prov->store); | |
743 | CRYPTO_THREAD_unlock(prov->store->lock); | |
744 | ||
745 | return prov->flag_initialized; | |
746 | } | |
747 | return 0; | |
748 | } | |
749 | ||
e55008a9 RL |
750 | /* Setters of Provider Object data */ |
751 | int ossl_provider_set_fallback(OSSL_PROVIDER *prov) | |
752 | { | |
753 | if (prov == NULL) | |
754 | return 0; | |
755 | ||
756 | prov->flag_fallback = 1; | |
757 | return 1; | |
758 | } | |
759 | ||
4c2883a9 | 760 | /* Getters of Provider Object data */ |
24626a47 | 761 | const char *ossl_provider_name(const OSSL_PROVIDER *prov) |
4c2883a9 RL |
762 | { |
763 | return prov->name; | |
764 | } | |
765 | ||
24626a47 | 766 | const DSO *ossl_provider_dso(const OSSL_PROVIDER *prov) |
4c2883a9 RL |
767 | { |
768 | return prov->module; | |
769 | } | |
770 | ||
24626a47 | 771 | const char *ossl_provider_module_name(const OSSL_PROVIDER *prov) |
4c2883a9 | 772 | { |
f844f9eb | 773 | #ifdef FIPS_MODULE |
3593266d MC |
774 | return NULL; |
775 | #else | |
4c2883a9 | 776 | return DSO_get_filename(prov->module); |
3593266d | 777 | #endif |
4c2883a9 RL |
778 | } |
779 | ||
24626a47 | 780 | const char *ossl_provider_module_path(const OSSL_PROVIDER *prov) |
4c2883a9 | 781 | { |
f844f9eb | 782 | #ifdef FIPS_MODULE |
3593266d MC |
783 | return NULL; |
784 | #else | |
4c2883a9 RL |
785 | /* FIXME: Ensure it's a full path */ |
786 | return DSO_get_filename(prov->module); | |
3593266d | 787 | #endif |
4c2883a9 RL |
788 | } |
789 | ||
d01d3752 MC |
790 | void *ossl_provider_prov_ctx(const OSSL_PROVIDER *prov) |
791 | { | |
792 | if (prov != NULL) | |
793 | return prov->provctx; | |
794 | ||
795 | return NULL; | |
796 | } | |
797 | ||
e74bd290 RL |
798 | OPENSSL_CTX *ossl_provider_library_context(const OSSL_PROVIDER *prov) |
799 | { | |
185ce3d9 P |
800 | /* TODO(3.0) just: return prov->libctx; */ |
801 | return prov != NULL ? prov->libctx : NULL; | |
e74bd290 RL |
802 | } |
803 | ||
4c2883a9 RL |
804 | /* Wrappers around calls to the provider */ |
805 | void ossl_provider_teardown(const OSSL_PROVIDER *prov) | |
806 | { | |
807 | if (prov->teardown != NULL) | |
a39eb840 | 808 | prov->teardown(prov->provctx); |
4c2883a9 RL |
809 | } |
810 | ||
dca97d00 | 811 | const OSSL_PARAM *ossl_provider_gettable_params(const OSSL_PROVIDER *prov) |
4c2883a9 | 812 | { |
dca97d00 RL |
813 | return prov->gettable_params == NULL |
814 | ? NULL : prov->gettable_params(prov->provctx); | |
4c2883a9 RL |
815 | } |
816 | ||
4e7991b4 | 817 | int ossl_provider_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]) |
4c2883a9 | 818 | { |
a39eb840 RL |
819 | return prov->get_params == NULL |
820 | ? 0 : prov->get_params(prov->provctx, params); | |
4c2883a9 RL |
821 | } |
822 | ||
099bd339 RL |
823 | |
824 | const OSSL_ALGORITHM *ossl_provider_query_operation(const OSSL_PROVIDER *prov, | |
825 | int operation_id, | |
826 | int *no_cache) | |
827 | { | |
a39eb840 | 828 | return prov->query_operation(prov->provctx, operation_id, no_cache); |
099bd339 RL |
829 | } |
830 | ||
5a29b628 RL |
831 | int ossl_provider_set_operation_bit(OSSL_PROVIDER *provider, size_t bitnum) |
832 | { | |
833 | size_t byte = bitnum / 8; | |
834 | unsigned char bit = (1 << (bitnum % 8)) & 0xFF; | |
835 | ||
836 | if (provider->operation_bits_sz <= byte) { | |
837 | provider->operation_bits = OPENSSL_realloc(provider->operation_bits, | |
838 | byte + 1); | |
839 | if (provider->operation_bits == NULL) { | |
840 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE); | |
841 | return 0; | |
842 | } | |
843 | memset(provider->operation_bits + provider->operation_bits_sz, | |
844 | '\0', byte + 1 - provider->operation_bits_sz); | |
845 | } | |
846 | provider->operation_bits[byte] |= bit; | |
847 | return 1; | |
848 | } | |
849 | ||
850 | int ossl_provider_test_operation_bit(OSSL_PROVIDER *provider, size_t bitnum, | |
851 | int *result) | |
852 | { | |
853 | size_t byte = bitnum / 8; | |
854 | unsigned char bit = (1 << (bitnum % 8)) & 0xFF; | |
855 | ||
856 | if (!ossl_assert(result != NULL)) { | |
857 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER); | |
858 | return 0; | |
859 | } | |
860 | ||
861 | *result = 0; | |
862 | if (provider->operation_bits_sz > byte) | |
863 | *result = ((provider->operation_bits[byte] & bit) != 0); | |
864 | return 1; | |
865 | } | |
866 | ||
4c2883a9 RL |
867 | /*- |
868 | * Core functions for the provider | |
869 | * =============================== | |
870 | * | |
871 | * This is the set of functions that the core makes available to the provider | |
872 | */ | |
873 | ||
874 | /* | |
875 | * This returns a list of Provider Object parameters with their types, for | |
876 | * discovery. We do not expect that many providers will use this, but one | |
877 | * never knows. | |
878 | */ | |
26175013 | 879 | static const OSSL_PARAM param_types[] = { |
b8086652 SL |
880 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_CORE_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0), |
881 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_CORE_PROV_NAME, OSSL_PARAM_UTF8_PTR, | |
882 | NULL, 0), | |
883 | #ifndef FIPS_MODULE | |
884 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_CORE_MODULE_FILENAME, OSSL_PARAM_UTF8_PTR, | |
885 | NULL, 0), | |
886 | #endif | |
26175013 | 887 | OSSL_PARAM_END |
4c2883a9 RL |
888 | }; |
889 | ||
49c64346 RL |
890 | /* |
891 | * Forward declare all the functions that are provided aa dispatch. | |
892 | * This ensures that the compiler will complain if they aren't defined | |
893 | * with the correct signature. | |
894 | */ | |
dca97d00 | 895 | static OSSL_core_gettable_params_fn core_gettable_params; |
49c64346 RL |
896 | static OSSL_core_get_params_fn core_get_params; |
897 | static OSSL_core_thread_start_fn core_thread_start; | |
898 | static OSSL_core_get_library_context_fn core_get_libctx; | |
f844f9eb | 899 | #ifndef FIPS_MODULE |
49c64346 RL |
900 | static OSSL_core_new_error_fn core_new_error; |
901 | static OSSL_core_set_error_debug_fn core_set_error_debug; | |
902 | static OSSL_core_vset_error_fn core_vset_error; | |
7b131de2 RL |
903 | static OSSL_core_set_error_mark_fn core_set_error_mark; |
904 | static OSSL_core_clear_last_error_mark_fn core_clear_last_error_mark; | |
905 | static OSSL_core_pop_error_to_mark_fn core_pop_error_to_mark; | |
49c64346 RL |
906 | #endif |
907 | ||
d40b42ab | 908 | static const OSSL_PARAM *core_gettable_params(const OSSL_CORE_HANDLE *handle) |
4c2883a9 RL |
909 | { |
910 | return param_types; | |
911 | } | |
912 | ||
d40b42ab | 913 | static int core_get_params(const OSSL_CORE_HANDLE *handle, OSSL_PARAM params[]) |
4c2883a9 RL |
914 | { |
915 | int i; | |
4e7991b4 | 916 | OSSL_PARAM *p; |
d40b42ab MC |
917 | /* |
918 | * We created this object originally and we know it is actually an | |
919 | * OSSL_PROVIDER *, so the cast is safe | |
920 | */ | |
921 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
4c2883a9 | 922 | |
b8086652 | 923 | if ((p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_CORE_VERSION)) != NULL) |
ac1055ef | 924 | OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR); |
b8086652 | 925 | if ((p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_CORE_PROV_NAME)) != NULL) |
ac1055ef RL |
926 | OSSL_PARAM_set_utf8_ptr(p, prov->name); |
927 | ||
f844f9eb | 928 | #ifndef FIPS_MODULE |
b8086652 SL |
929 | if ((p = OSSL_PARAM_locate(params, |
930 | OSSL_PROV_PARAM_CORE_MODULE_FILENAME)) != NULL) | |
25e60144 SL |
931 | OSSL_PARAM_set_utf8_ptr(p, ossl_provider_module_path(prov)); |
932 | #endif | |
933 | ||
ac1055ef RL |
934 | if (prov->parameters == NULL) |
935 | return 1; | |
936 | ||
937 | for (i = 0; i < sk_INFOPAIR_num(prov->parameters); i++) { | |
938 | INFOPAIR *pair = sk_INFOPAIR_value(prov->parameters, i); | |
939 | ||
940 | if ((p = OSSL_PARAM_locate(params, pair->name)) != NULL) | |
941 | OSSL_PARAM_set_utf8_ptr(p, pair->value); | |
4c2883a9 | 942 | } |
4c2883a9 RL |
943 | return 1; |
944 | } | |
945 | ||
d40b42ab | 946 | static OPENSSL_CORE_CTX *core_get_libctx(const OSSL_CORE_HANDLE *handle) |
e7706e63 | 947 | { |
d40b42ab MC |
948 | /* |
949 | * We created this object originally and we know it is actually an | |
950 | * OSSL_PROVIDER *, so the cast is safe | |
951 | */ | |
952 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
953 | ||
954 | return (OPENSSL_CORE_CTX *)ossl_provider_library_context(prov); | |
e7706e63 RL |
955 | } |
956 | ||
d40b42ab | 957 | static int core_thread_start(const OSSL_CORE_HANDLE *handle, |
da747958 MC |
958 | OSSL_thread_stop_handler_fn handfn) |
959 | { | |
d40b42ab MC |
960 | /* |
961 | * We created this object originally and we know it is actually an | |
962 | * OSSL_PROVIDER *, so the cast is safe | |
963 | */ | |
964 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
965 | ||
6913f5fe | 966 | return ossl_init_thread_start(prov, prov->provctx, handfn); |
da747958 MC |
967 | } |
968 | ||
6592ab81 RL |
969 | /* |
970 | * The FIPS module inner provider doesn't implement these. They aren't | |
971 | * needed there, since the FIPS module upcalls are always the outer provider | |
972 | * ones. | |
973 | */ | |
f844f9eb | 974 | #ifndef FIPS_MODULE |
49c64346 | 975 | /* |
d40b42ab | 976 | * TODO(3.0) These error functions should use |handle| to select the proper |
49c64346 RL |
977 | * library context to report in the correct error stack, at least if error |
978 | * stacks become tied to the library context. | |
979 | * We cannot currently do that since there's no support for it in the | |
980 | * ERR subsystem. | |
981 | */ | |
d40b42ab | 982 | static void core_new_error(const OSSL_CORE_HANDLE *handle) |
49c64346 RL |
983 | { |
984 | ERR_new(); | |
985 | } | |
986 | ||
d40b42ab | 987 | static void core_set_error_debug(const OSSL_CORE_HANDLE *handle, |
49c64346 RL |
988 | const char *file, int line, const char *func) |
989 | { | |
990 | ERR_set_debug(file, line, func); | |
991 | } | |
992 | ||
d40b42ab | 993 | static void core_vset_error(const OSSL_CORE_HANDLE *handle, |
49c64346 | 994 | uint32_t reason, const char *fmt, va_list args) |
6ebc2f56 | 995 | { |
d40b42ab MC |
996 | /* |
997 | * We created this object originally and we know it is actually an | |
998 | * OSSL_PROVIDER *, so the cast is safe | |
999 | */ | |
1000 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
1001 | ||
6ebc2f56 RL |
1002 | /* |
1003 | * If the uppermost 8 bits are non-zero, it's an OpenSSL library | |
1004 | * error and will be treated as such. Otherwise, it's a new style | |
1005 | * provider error and will be treated as such. | |
1006 | */ | |
1007 | if (ERR_GET_LIB(reason) != 0) { | |
49c64346 | 1008 | ERR_vset_error(ERR_GET_LIB(reason), ERR_GET_REASON(reason), fmt, args); |
6ebc2f56 | 1009 | } else { |
49c64346 | 1010 | ERR_vset_error(prov->error_lib, (int)reason, fmt, args); |
6ebc2f56 RL |
1011 | } |
1012 | } | |
7b131de2 | 1013 | |
d40b42ab | 1014 | static int core_set_error_mark(const OSSL_CORE_HANDLE *handle) |
7b131de2 RL |
1015 | { |
1016 | return ERR_set_mark(); | |
1017 | } | |
1018 | ||
d40b42ab | 1019 | static int core_clear_last_error_mark(const OSSL_CORE_HANDLE *handle) |
7b131de2 RL |
1020 | { |
1021 | return ERR_clear_last_mark(); | |
1022 | } | |
1023 | ||
d40b42ab | 1024 | static int core_pop_error_to_mark(const OSSL_CORE_HANDLE *handle) |
7b131de2 RL |
1025 | { |
1026 | return ERR_pop_to_mark(); | |
1027 | } | |
f844f9eb | 1028 | #endif /* FIPS_MODULE */ |
6ebc2f56 | 1029 | |
b60cba3c RS |
1030 | /* |
1031 | * Functions provided by the core. Blank line separates "families" of related | |
1032 | * functions. | |
1033 | */ | |
4c2883a9 | 1034 | static const OSSL_DISPATCH core_dispatch_[] = { |
dca97d00 | 1035 | { OSSL_FUNC_CORE_GETTABLE_PARAMS, (void (*)(void))core_gettable_params }, |
4c2883a9 | 1036 | { OSSL_FUNC_CORE_GET_PARAMS, (void (*)(void))core_get_params }, |
e7706e63 | 1037 | { OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT, (void (*)(void))core_get_libctx }, |
da747958 | 1038 | { OSSL_FUNC_CORE_THREAD_START, (void (*)(void))core_thread_start }, |
f844f9eb | 1039 | #ifndef FIPS_MODULE |
49c64346 RL |
1040 | { OSSL_FUNC_CORE_NEW_ERROR, (void (*)(void))core_new_error }, |
1041 | { OSSL_FUNC_CORE_SET_ERROR_DEBUG, (void (*)(void))core_set_error_debug }, | |
1042 | { OSSL_FUNC_CORE_VSET_ERROR, (void (*)(void))core_vset_error }, | |
7b131de2 RL |
1043 | { OSSL_FUNC_CORE_SET_ERROR_MARK, (void (*)(void))core_set_error_mark }, |
1044 | { OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK, | |
1045 | (void (*)(void))core_clear_last_error_mark }, | |
d16d0b71 | 1046 | { OSSL_FUNC_CORE_POP_ERROR_TO_MARK, (void (*)(void))core_pop_error_to_mark }, |
25e60144 SL |
1047 | { OSSL_FUNC_BIO_NEW_FILE, (void (*)(void))BIO_new_file }, |
1048 | { OSSL_FUNC_BIO_NEW_MEMBUF, (void (*)(void))BIO_new_mem_buf }, | |
7bb82f92 | 1049 | { OSSL_FUNC_BIO_READ_EX, (void (*)(void))BIO_read_ex }, |
d40b42ab | 1050 | { OSSL_FUNC_BIO_WRITE_EX, (void (*)(void))BIO_write_ex }, |
25e60144 | 1051 | { OSSL_FUNC_BIO_FREE, (void (*)(void))BIO_free }, |
63665fff | 1052 | { OSSL_FUNC_BIO_VPRINTF, (void (*)(void))BIO_vprintf }, |
d16d0b71 | 1053 | { OSSL_FUNC_BIO_VSNPRINTF, (void (*)(void))BIO_vsnprintf }, |
36fc5fc6 | 1054 | { OSSL_FUNC_SELF_TEST_CB, (void (*)(void))OSSL_SELF_TEST_get_callback }, |
6592ab81 | 1055 | #endif |
b60cba3c RS |
1056 | { OSSL_FUNC_CRYPTO_MALLOC, (void (*)(void))CRYPTO_malloc }, |
1057 | { OSSL_FUNC_CRYPTO_ZALLOC, (void (*)(void))CRYPTO_zalloc }, | |
b60cba3c RS |
1058 | { OSSL_FUNC_CRYPTO_FREE, (void (*)(void))CRYPTO_free }, |
1059 | { OSSL_FUNC_CRYPTO_CLEAR_FREE, (void (*)(void))CRYPTO_clear_free }, | |
1060 | { OSSL_FUNC_CRYPTO_REALLOC, (void (*)(void))CRYPTO_realloc }, | |
1061 | { OSSL_FUNC_CRYPTO_CLEAR_REALLOC, (void (*)(void))CRYPTO_clear_realloc }, | |
1062 | { OSSL_FUNC_CRYPTO_SECURE_MALLOC, (void (*)(void))CRYPTO_secure_malloc }, | |
1063 | { OSSL_FUNC_CRYPTO_SECURE_ZALLOC, (void (*)(void))CRYPTO_secure_zalloc }, | |
1064 | { OSSL_FUNC_CRYPTO_SECURE_FREE, (void (*)(void))CRYPTO_secure_free }, | |
1065 | { OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE, | |
1066 | (void (*)(void))CRYPTO_secure_clear_free }, | |
1067 | { OSSL_FUNC_CRYPTO_SECURE_ALLOCATED, | |
1068 | (void (*)(void))CRYPTO_secure_allocated }, | |
1069 | { OSSL_FUNC_OPENSSL_CLEANSE, (void (*)(void))OPENSSL_cleanse }, | |
b60cba3c | 1070 | |
4c2883a9 RL |
1071 | { 0, NULL } |
1072 | }; | |
1073 | static const OSSL_DISPATCH *core_dispatch = core_dispatch_; |