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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; |
82ec09ec | 73 | OSSL_provider_get_capabilities_fn *get_capabilities; |
099bd339 | 74 | OSSL_provider_query_operation_fn *query_operation; |
a39eb840 | 75 | |
5a29b628 RL |
76 | /* |
77 | * Cache of bit to indicate of query_operation() has been called on | |
78 | * a specific operation or not. | |
79 | */ | |
80 | unsigned char *operation_bits; | |
81 | size_t operation_bits_sz; | |
82 | ||
a39eb840 RL |
83 | /* Provider side data */ |
84 | void *provctx; | |
4c2883a9 RL |
85 | }; |
86 | DEFINE_STACK_OF(OSSL_PROVIDER) | |
87 | ||
88 | static int ossl_provider_cmp(const OSSL_PROVIDER * const *a, | |
89 | const OSSL_PROVIDER * const *b) | |
90 | { | |
91 | return strcmp((*a)->name, (*b)->name); | |
92 | } | |
93 | ||
94 | /*- | |
95 | * Provider Object store | |
96 | * ===================== | |
97 | * | |
98 | * The Provider Object store is a library context object, and therefore needs | |
99 | * an index. | |
100 | */ | |
101 | ||
102 | struct provider_store_st { | |
103 | STACK_OF(OSSL_PROVIDER) *providers; | |
104 | CRYPTO_RWLOCK *lock; | |
6bd4e3f2 | 105 | char *default_path; |
e55008a9 | 106 | unsigned int use_fallbacks:1; |
4c2883a9 | 107 | }; |
4c2883a9 | 108 | |
c8567c39 RL |
109 | /* |
110 | * provider_deactivate_free() is a wrapper around ossl_provider_free() | |
111 | * that also makes sure that activated fallback providers are deactivated. | |
112 | * This is simply done by freeing them an extra time, to compensate for the | |
113 | * refcount that provider_activate_fallbacks() gives them. | |
114 | * Since this is only called when the provider store is being emptied, we | |
115 | * don't need to care about any lock. | |
116 | */ | |
117 | static void provider_deactivate_free(OSSL_PROVIDER *prov) | |
118 | { | |
119 | int extra_free = (prov->flag_initialized | |
120 | && prov->flag_activated_as_fallback); | |
121 | ||
122 | if (extra_free) | |
123 | ossl_provider_free(prov); | |
124 | ossl_provider_free(prov); | |
125 | } | |
126 | ||
4c2883a9 RL |
127 | static void provider_store_free(void *vstore) |
128 | { | |
129 | struct provider_store_st *store = vstore; | |
130 | ||
131 | if (store == NULL) | |
132 | return; | |
6bd4e3f2 | 133 | OPENSSL_free(store->default_path); |
c8567c39 | 134 | sk_OSSL_PROVIDER_pop_free(store->providers, provider_deactivate_free); |
4c2883a9 RL |
135 | CRYPTO_THREAD_lock_free(store->lock); |
136 | OPENSSL_free(store); | |
137 | } | |
138 | ||
1aedc35f | 139 | static void *provider_store_new(OPENSSL_CTX *ctx) |
4c2883a9 RL |
140 | { |
141 | struct provider_store_st *store = OPENSSL_zalloc(sizeof(*store)); | |
c41f3ae0 | 142 | const struct predefined_providers_st *p = NULL; |
4c2883a9 RL |
143 | |
144 | if (store == NULL | |
145 | || (store->providers = sk_OSSL_PROVIDER_new(ossl_provider_cmp)) == NULL | |
146 | || (store->lock = CRYPTO_THREAD_lock_new()) == NULL) { | |
147 | provider_store_free(store); | |
e55008a9 | 148 | return NULL; |
4c2883a9 | 149 | } |
e55008a9 | 150 | store->use_fallbacks = 1; |
c41f3ae0 RL |
151 | |
152 | for (p = predefined_providers; p->name != NULL; p++) { | |
153 | OSSL_PROVIDER *prov = NULL; | |
154 | ||
155 | /* | |
156 | * We use the internal constructor directly here, | |
157 | * otherwise we get a call loop | |
158 | */ | |
159 | prov = provider_new(p->name, p->init); | |
160 | ||
161 | if (prov == NULL | |
162 | || sk_OSSL_PROVIDER_push(store->providers, prov) == 0) { | |
163 | ossl_provider_free(prov); | |
164 | provider_store_free(store); | |
165 | CRYPTOerr(CRYPTO_F_PROVIDER_STORE_NEW, ERR_R_INTERNAL_ERROR); | |
166 | return NULL; | |
167 | } | |
e7706e63 | 168 | prov->libctx = ctx; |
c41f3ae0 | 169 | prov->store = store; |
f844f9eb | 170 | #ifndef FIPS_MODULE |
6ebc2f56 | 171 | prov->error_lib = ERR_get_next_error_library(); |
6592ab81 | 172 | #endif |
c41f3ae0 RL |
173 | if(p->is_fallback) |
174 | ossl_provider_set_fallback(prov); | |
175 | } | |
176 | ||
4c2883a9 RL |
177 | return store; |
178 | } | |
179 | ||
180 | static const OPENSSL_CTX_METHOD provider_store_method = { | |
181 | provider_store_new, | |
182 | provider_store_free, | |
183 | }; | |
184 | ||
4c2883a9 RL |
185 | static struct provider_store_st *get_provider_store(OPENSSL_CTX *libctx) |
186 | { | |
187 | struct provider_store_st *store = NULL; | |
188 | ||
1aedc35f MC |
189 | store = openssl_ctx_get_data(libctx, OPENSSL_CTX_PROVIDER_STORE_INDEX, |
190 | &provider_store_method); | |
4c2883a9 RL |
191 | if (store == NULL) |
192 | CRYPTOerr(CRYPTO_F_GET_PROVIDER_STORE, ERR_R_INTERNAL_ERROR); | |
193 | return store; | |
194 | } | |
195 | ||
29dc6e00 MC |
196 | OSSL_PROVIDER *ossl_provider_find(OPENSSL_CTX *libctx, const char *name, |
197 | int noconfig) | |
4c2883a9 RL |
198 | { |
199 | struct provider_store_st *store = NULL; | |
200 | OSSL_PROVIDER *prov = NULL; | |
201 | ||
202 | if ((store = get_provider_store(libctx)) != NULL) { | |
203 | OSSL_PROVIDER tmpl = { 0, }; | |
204 | int i; | |
205 | ||
f844f9eb | 206 | #ifndef FIPS_MODULE |
29dc6e00 MC |
207 | /* |
208 | * Make sure any providers are loaded from config before we try to find | |
209 | * them. | |
210 | */ | |
211 | if (!noconfig) | |
212 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL); | |
213 | #endif | |
214 | ||
4c2883a9 RL |
215 | tmpl.name = (char *)name; |
216 | CRYPTO_THREAD_write_lock(store->lock); | |
217 | if ((i = sk_OSSL_PROVIDER_find(store->providers, &tmpl)) == -1 | |
218 | || (prov = sk_OSSL_PROVIDER_value(store->providers, i)) == NULL | |
7c95390e | 219 | || !ossl_provider_up_ref(prov)) |
4c2883a9 RL |
220 | prov = NULL; |
221 | CRYPTO_THREAD_unlock(store->lock); | |
222 | } | |
223 | ||
224 | return prov; | |
225 | } | |
226 | ||
c41f3ae0 RL |
227 | /*- |
228 | * Provider Object methods | |
229 | * ======================= | |
230 | */ | |
231 | ||
232 | static OSSL_PROVIDER *provider_new(const char *name, | |
233 | OSSL_provider_init_fn *init_function) | |
234 | { | |
235 | OSSL_PROVIDER *prov = NULL; | |
236 | ||
237 | if ((prov = OPENSSL_zalloc(sizeof(*prov))) == NULL | |
238 | #ifndef HAVE_ATOMICS | |
239 | || (prov->refcnt_lock = CRYPTO_THREAD_lock_new()) == NULL | |
240 | #endif | |
7c95390e | 241 | || !ossl_provider_up_ref(prov) /* +1 One reference to be returned */ |
c41f3ae0 RL |
242 | || (prov->name = OPENSSL_strdup(name)) == NULL) { |
243 | ossl_provider_free(prov); | |
244 | CRYPTOerr(CRYPTO_F_PROVIDER_NEW, ERR_R_MALLOC_FAILURE); | |
245 | return NULL; | |
246 | } | |
247 | ||
248 | prov->init_function = init_function; | |
249 | return prov; | |
250 | } | |
251 | ||
7c95390e | 252 | int ossl_provider_up_ref(OSSL_PROVIDER *prov) |
c41f3ae0 RL |
253 | { |
254 | int ref = 0; | |
255 | ||
ad14e8e5 SL |
256 | if (CRYPTO_UP_REF(&prov->refcnt, &ref, prov->refcnt_lock) <= 0) |
257 | return 0; | |
c41f3ae0 RL |
258 | return ref; |
259 | } | |
260 | ||
4c2883a9 | 261 | OSSL_PROVIDER *ossl_provider_new(OPENSSL_CTX *libctx, const char *name, |
29dc6e00 MC |
262 | OSSL_provider_init_fn *init_function, |
263 | int noconfig) | |
4c2883a9 RL |
264 | { |
265 | struct provider_store_st *store = NULL; | |
266 | OSSL_PROVIDER *prov = NULL; | |
267 | ||
268 | if ((store = get_provider_store(libctx)) == NULL) | |
269 | return NULL; | |
270 | ||
29dc6e00 MC |
271 | if ((prov = ossl_provider_find(libctx, name, |
272 | noconfig)) != NULL) { /* refcount +1 */ | |
4c2883a9 | 273 | ossl_provider_free(prov); /* refcount -1 */ |
49c64346 RL |
274 | ERR_raise_data(ERR_LIB_CRYPTO, CRYPTO_R_PROVIDER_ALREADY_EXISTS, NULL, |
275 | "name=%s", name); | |
4c2883a9 RL |
276 | return NULL; |
277 | } | |
278 | ||
c41f3ae0 RL |
279 | /* provider_new() generates an error, so no need here */ |
280 | if ((prov = provider_new(name, init_function)) == NULL) | |
4c2883a9 | 281 | return NULL; |
4c2883a9 RL |
282 | |
283 | CRYPTO_THREAD_write_lock(store->lock); | |
7c95390e | 284 | if (!ossl_provider_up_ref(prov)) { /* +1 One reference for the store */ |
4c2883a9 RL |
285 | ossl_provider_free(prov); /* -1 Reference that was to be returned */ |
286 | prov = NULL; | |
287 | } else if (sk_OSSL_PROVIDER_push(store->providers, prov) == 0) { | |
288 | ossl_provider_free(prov); /* -1 Store reference */ | |
289 | ossl_provider_free(prov); /* -1 Reference that was to be returned */ | |
290 | prov = NULL; | |
e55008a9 | 291 | } else { |
e7706e63 | 292 | prov->libctx = libctx; |
e55008a9 | 293 | prov->store = store; |
f844f9eb | 294 | #ifndef FIPS_MODULE |
6ebc2f56 | 295 | prov->error_lib = ERR_get_next_error_library(); |
6592ab81 | 296 | #endif |
4c2883a9 RL |
297 | } |
298 | CRYPTO_THREAD_unlock(store->lock); | |
299 | ||
300 | if (prov == NULL) | |
301 | CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_NEW, ERR_R_MALLOC_FAILURE); | |
302 | ||
303 | /* | |
304 | * At this point, the provider is only partially "loaded". To be | |
305 | * fully "loaded", ossl_provider_activate() must also be called. | |
306 | */ | |
307 | ||
308 | return prov; | |
309 | } | |
310 | ||
ac1055ef RL |
311 | static void free_infopair(INFOPAIR *pair) |
312 | { | |
313 | OPENSSL_free(pair->name); | |
314 | OPENSSL_free(pair->value); | |
315 | OPENSSL_free(pair); | |
316 | } | |
317 | ||
4c2883a9 RL |
318 | void ossl_provider_free(OSSL_PROVIDER *prov) |
319 | { | |
320 | if (prov != NULL) { | |
321 | int ref = 0; | |
322 | ||
085bef9f | 323 | CRYPTO_DOWN_REF(&prov->refcnt, &ref, prov->refcnt_lock); |
4c2883a9 RL |
324 | |
325 | /* | |
e55008a9 RL |
326 | * When the refcount drops below two, the store is the only |
327 | * possible reference, or it has already been taken away from | |
328 | * the store (this may happen if a provider was activated | |
329 | * because it's a fallback, but isn't currently used) | |
4c2883a9 RL |
330 | * When that happens, the provider is inactivated. |
331 | */ | |
e55008a9 | 332 | if (ref < 2 && prov->flag_initialized) { |
f844f9eb | 333 | #ifndef FIPS_MODULE |
6913f5fe MC |
334 | ossl_init_thread_deregister(prov); |
335 | #endif | |
4c2883a9 | 336 | if (prov->teardown != NULL) |
a39eb840 | 337 | prov->teardown(prov->provctx); |
6ebc2f56 | 338 | #ifndef OPENSSL_NO_ERR |
f844f9eb | 339 | # ifndef FIPS_MODULE |
6ebc2f56 RL |
340 | if (prov->error_strings != NULL) { |
341 | ERR_unload_strings(prov->error_lib, prov->error_strings); | |
342 | OPENSSL_free(prov->error_strings); | |
343 | prov->error_strings = NULL; | |
344 | } | |
345 | # endif | |
346 | #endif | |
5a29b628 RL |
347 | OPENSSL_free(prov->operation_bits); |
348 | prov->operation_bits = NULL; | |
349 | prov->operation_bits_sz = 0; | |
4c2883a9 RL |
350 | prov->flag_initialized = 0; |
351 | } | |
352 | ||
353 | /* | |
354 | * When the refcount drops to zero, it has been taken out of | |
355 | * the store. All we have to do here is clean it out. | |
356 | */ | |
357 | if (ref == 0) { | |
f844f9eb | 358 | #ifndef FIPS_MODULE |
4c2883a9 | 359 | DSO_free(prov->module); |
3593266d | 360 | #endif |
4c2883a9 | 361 | OPENSSL_free(prov->name); |
ac1055ef RL |
362 | OPENSSL_free(prov->path); |
363 | sk_INFOPAIR_pop_free(prov->parameters, free_infopair); | |
085bef9f RL |
364 | #ifndef HAVE_ATOMICS |
365 | CRYPTO_THREAD_lock_free(prov->refcnt_lock); | |
366 | #endif | |
4c2883a9 RL |
367 | OPENSSL_free(prov); |
368 | } | |
369 | } | |
370 | } | |
371 | ||
ac1055ef RL |
372 | /* Setters */ |
373 | int ossl_provider_set_module_path(OSSL_PROVIDER *prov, const char *module_path) | |
374 | { | |
375 | OPENSSL_free(prov->path); | |
376 | if (module_path == NULL) | |
377 | return 1; | |
378 | if ((prov->path = OPENSSL_strdup(module_path)) != NULL) | |
379 | return 1; | |
380 | CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_SET_MODULE_PATH, ERR_R_MALLOC_FAILURE); | |
381 | return 0; | |
382 | } | |
383 | ||
384 | int ossl_provider_add_parameter(OSSL_PROVIDER *prov, | |
385 | const char *name, const char *value) | |
386 | { | |
387 | INFOPAIR *pair = NULL; | |
388 | ||
389 | if ((pair = OPENSSL_zalloc(sizeof(*pair))) != NULL | |
390 | && (prov->parameters != NULL | |
391 | || (prov->parameters = sk_INFOPAIR_new_null()) != NULL) | |
392 | && (pair->name = OPENSSL_strdup(name)) != NULL | |
393 | && (pair->value = OPENSSL_strdup(value)) != NULL | |
394 | && sk_INFOPAIR_push(prov->parameters, pair) > 0) | |
395 | return 1; | |
396 | ||
397 | if (pair != NULL) { | |
398 | OPENSSL_free(pair->name); | |
399 | OPENSSL_free(pair->value); | |
400 | OPENSSL_free(pair); | |
401 | } | |
402 | CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_ADD_PARAMETER, ERR_R_MALLOC_FAILURE); | |
403 | return 0; | |
404 | } | |
405 | ||
4c2883a9 RL |
406 | /* |
407 | * Provider activation. | |
408 | * | |
409 | * What "activation" means depends on the provider form; for built in | |
410 | * providers (in the library or the application alike), the provider | |
411 | * can already be considered to be loaded, all that's needed is to | |
412 | * initialize it. However, for dynamically loadable provider modules, | |
413 | * we must first load that module. | |
414 | * | |
415 | * Built in modules are distinguished from dynamically loaded modules | |
416 | * with an already assigned init function. | |
417 | */ | |
418 | static const OSSL_DISPATCH *core_dispatch; /* Define further down */ | |
419 | ||
6bd4e3f2 P |
420 | int OSSL_PROVIDER_set_default_search_path(OPENSSL_CTX *libctx, const char *path) |
421 | { | |
422 | struct provider_store_st *store; | |
423 | char *p = NULL; | |
424 | ||
425 | if (path != NULL) { | |
426 | p = OPENSSL_strdup(path); | |
427 | if (p == NULL) { | |
428 | CRYPTOerr(0, ERR_R_MALLOC_FAILURE); | |
429 | return 0; | |
430 | } | |
431 | } | |
432 | if ((store = get_provider_store(libctx)) != NULL | |
433 | && CRYPTO_THREAD_write_lock(store->lock)) { | |
434 | OPENSSL_free(store->default_path); | |
435 | store->default_path = p; | |
436 | CRYPTO_THREAD_unlock(store->lock); | |
437 | return 1; | |
438 | } | |
439 | OPENSSL_free(p); | |
440 | return 0; | |
441 | } | |
442 | ||
e55008a9 RL |
443 | /* |
444 | * Internal version that doesn't affect the store flags, and thereby avoid | |
445 | * locking. Direct callers must remember to set the store flags when | |
e7706e63 | 446 | * appropriate. |
e55008a9 | 447 | */ |
e7706e63 | 448 | static int provider_activate(OSSL_PROVIDER *prov) |
4c2883a9 RL |
449 | { |
450 | const OSSL_DISPATCH *provider_dispatch = NULL; | |
914db66d | 451 | void *tmp_provctx = NULL; /* safety measure */ |
6ebc2f56 | 452 | #ifndef OPENSSL_NO_ERR |
f844f9eb | 453 | # ifndef FIPS_MODULE |
6ebc2f56 | 454 | OSSL_provider_get_reason_strings_fn *p_get_reason_strings = NULL; |
6592ab81 | 455 | # endif |
6ebc2f56 | 456 | #endif |
4c2883a9 RL |
457 | |
458 | if (prov->flag_initialized) | |
459 | return 1; | |
460 | ||
461 | /* | |
462 | * If the init function isn't set, it indicates that this provider is | |
463 | * a loadable module. | |
464 | */ | |
465 | if (prov->init_function == NULL) { | |
f844f9eb | 466 | #ifdef FIPS_MODULE |
3593266d MC |
467 | return 0; |
468 | #else | |
4c2883a9 | 469 | if (prov->module == NULL) { |
ac1055ef RL |
470 | char *allocated_path = NULL; |
471 | const char *module_path = NULL; | |
472 | char *merged_path = NULL; | |
6bd4e3f2 P |
473 | const char *load_dir = NULL; |
474 | struct provider_store_st *store; | |
4c2883a9 RL |
475 | |
476 | if ((prov->module = DSO_new()) == NULL) { | |
477 | /* DSO_new() generates an error already */ | |
478 | return 0; | |
479 | } | |
480 | ||
6bd4e3f2 P |
481 | if ((store = get_provider_store(prov->libctx)) == NULL |
482 | || !CRYPTO_THREAD_read_lock(store->lock)) | |
483 | return 0; | |
484 | load_dir = store->default_path; | |
485 | ||
486 | if (load_dir == NULL) { | |
487 | load_dir = ossl_safe_getenv("OPENSSL_MODULES"); | |
488 | if (load_dir == NULL) | |
489 | load_dir = MODULESDIR; | |
490 | } | |
4c2883a9 RL |
491 | |
492 | DSO_ctrl(prov->module, DSO_CTRL_SET_FLAGS, | |
493 | DSO_FLAG_NAME_TRANSLATION_EXT_ONLY, NULL); | |
ac1055ef RL |
494 | |
495 | module_path = prov->path; | |
496 | if (module_path == NULL) | |
497 | module_path = allocated_path = | |
498 | DSO_convert_filename(prov->module, prov->name); | |
499 | if (module_path != NULL) | |
500 | merged_path = DSO_merge(prov->module, module_path, load_dir); | |
6bd4e3f2 | 501 | CRYPTO_THREAD_unlock(store->lock); |
ac1055ef RL |
502 | |
503 | if (merged_path == NULL | |
504 | || (DSO_load(prov->module, merged_path, NULL, 0)) == NULL) { | |
4c2883a9 RL |
505 | DSO_free(prov->module); |
506 | prov->module = NULL; | |
507 | } | |
508 | ||
ac1055ef RL |
509 | OPENSSL_free(merged_path); |
510 | OPENSSL_free(allocated_path); | |
4c2883a9 RL |
511 | } |
512 | ||
513 | if (prov->module != NULL) | |
514 | prov->init_function = (OSSL_provider_init_fn *) | |
515 | DSO_bind_func(prov->module, "OSSL_provider_init"); | |
3593266d | 516 | #endif |
4c2883a9 RL |
517 | } |
518 | ||
e7706e63 | 519 | /* Call the initialise function for the provider. */ |
4c2883a9 | 520 | if (prov->init_function == NULL |
d40b42ab MC |
521 | || !prov->init_function((OSSL_CORE_HANDLE *)prov, core_dispatch, |
522 | &provider_dispatch, &tmp_provctx)) { | |
49c64346 RL |
523 | ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_INIT_FAIL, NULL, |
524 | "name=%s", prov->name); | |
f844f9eb | 525 | #ifndef FIPS_MODULE |
4c2883a9 RL |
526 | DSO_free(prov->module); |
527 | prov->module = NULL; | |
3593266d | 528 | #endif |
4c2883a9 RL |
529 | return 0; |
530 | } | |
914db66d | 531 | prov->provctx = tmp_provctx; |
4c2883a9 RL |
532 | |
533 | for (; provider_dispatch->function_id != 0; provider_dispatch++) { | |
534 | switch (provider_dispatch->function_id) { | |
535 | case OSSL_FUNC_PROVIDER_TEARDOWN: | |
536 | prov->teardown = | |
537 | OSSL_get_provider_teardown(provider_dispatch); | |
538 | break; | |
dca97d00 RL |
539 | case OSSL_FUNC_PROVIDER_GETTABLE_PARAMS: |
540 | prov->gettable_params = | |
541 | OSSL_get_provider_gettable_params(provider_dispatch); | |
4c2883a9 RL |
542 | break; |
543 | case OSSL_FUNC_PROVIDER_GET_PARAMS: | |
544 | prov->get_params = | |
545 | OSSL_get_provider_get_params(provider_dispatch); | |
546 | break; | |
82ec09ec MC |
547 | case OSSL_FUNC_PROVIDER_GET_CAPABILITIES: |
548 | prov->get_capabilities = | |
549 | OSSL_get_provider_get_capabilities(provider_dispatch); | |
550 | break; | |
099bd339 RL |
551 | case OSSL_FUNC_PROVIDER_QUERY_OPERATION: |
552 | prov->query_operation = | |
553 | OSSL_get_provider_query_operation(provider_dispatch); | |
554 | break; | |
6ebc2f56 | 555 | #ifndef OPENSSL_NO_ERR |
f844f9eb | 556 | # ifndef FIPS_MODULE |
6ebc2f56 RL |
557 | case OSSL_FUNC_PROVIDER_GET_REASON_STRINGS: |
558 | p_get_reason_strings = | |
559 | OSSL_get_provider_get_reason_strings(provider_dispatch); | |
560 | break; | |
6592ab81 | 561 | # endif |
6ebc2f56 RL |
562 | #endif |
563 | } | |
564 | } | |
565 | ||
566 | #ifndef OPENSSL_NO_ERR | |
f844f9eb | 567 | # ifndef FIPS_MODULE |
6ebc2f56 RL |
568 | if (p_get_reason_strings != NULL) { |
569 | const OSSL_ITEM *reasonstrings = p_get_reason_strings(prov->provctx); | |
570 | size_t cnt, cnt2; | |
571 | ||
572 | /* | |
573 | * ERR_load_strings() handles ERR_STRING_DATA rather than OSSL_ITEM, | |
574 | * although they are essentially the same type. | |
575 | * Furthermore, ERR_load_strings() patches the array's error number | |
576 | * with the error library number, so we need to make a copy of that | |
577 | * array either way. | |
578 | */ | |
fd03868b | 579 | cnt = 0; |
6ebc2f56 RL |
580 | while (reasonstrings[cnt].id != 0) { |
581 | if (ERR_GET_LIB(reasonstrings[cnt].id) != 0) | |
582 | return 0; | |
583 | cnt++; | |
584 | } | |
fd03868b | 585 | cnt++; /* One for the terminating item */ |
6ebc2f56 RL |
586 | |
587 | /* Allocate one extra item for the "library" name */ | |
588 | prov->error_strings = | |
589 | OPENSSL_zalloc(sizeof(ERR_STRING_DATA) * (cnt + 1)); | |
590 | if (prov->error_strings == NULL) | |
591 | return 0; | |
592 | ||
593 | /* | |
594 | * Set the "library" name. | |
595 | */ | |
596 | prov->error_strings[0].error = ERR_PACK(prov->error_lib, 0, 0); | |
597 | prov->error_strings[0].string = prov->name; | |
598 | /* | |
599 | * Copy reasonstrings item 0..cnt-1 to prov->error_trings positions | |
600 | * 1..cnt. | |
601 | */ | |
602 | for (cnt2 = 1; cnt2 <= cnt; cnt2++) { | |
603 | prov->error_strings[cnt2].error = (int)reasonstrings[cnt2-1].id; | |
604 | prov->error_strings[cnt2].string = reasonstrings[cnt2-1].ptr; | |
4c2883a9 | 605 | } |
6ebc2f56 RL |
606 | |
607 | ERR_load_strings(prov->error_lib, prov->error_strings); | |
4c2883a9 | 608 | } |
6592ab81 | 609 | # endif |
6ebc2f56 | 610 | #endif |
4c2883a9 RL |
611 | |
612 | /* With this flag set, this provider has become fully "loaded". */ | |
613 | prov->flag_initialized = 1; | |
614 | ||
615 | return 1; | |
616 | } | |
617 | ||
e55008a9 RL |
618 | int ossl_provider_activate(OSSL_PROVIDER *prov) |
619 | { | |
e7706e63 | 620 | if (provider_activate(prov)) { |
e55008a9 RL |
621 | CRYPTO_THREAD_write_lock(prov->store->lock); |
622 | prov->store->use_fallbacks = 0; | |
623 | CRYPTO_THREAD_unlock(prov->store->lock); | |
624 | return 1; | |
625 | } | |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
a39eb840 RL |
630 | void *ossl_provider_ctx(const OSSL_PROVIDER *prov) |
631 | { | |
632 | return prov->provctx; | |
633 | } | |
634 | ||
e55008a9 RL |
635 | |
636 | static int provider_forall_loaded(struct provider_store_st *store, | |
637 | int *found_activated, | |
638 | int (*cb)(OSSL_PROVIDER *provider, | |
639 | void *cbdata), | |
640 | void *cbdata) | |
641 | { | |
642 | int i; | |
643 | int ret = 1; | |
29dc6e00 MC |
644 | int num_provs; |
645 | ||
29dc6e00 | 646 | num_provs = sk_OSSL_PROVIDER_num(store->providers); |
e55008a9 RL |
647 | |
648 | if (found_activated != NULL) | |
649 | *found_activated = 0; | |
650 | for (i = 0; i < num_provs; i++) { | |
651 | OSSL_PROVIDER *prov = | |
652 | sk_OSSL_PROVIDER_value(store->providers, i); | |
653 | ||
654 | if (prov->flag_initialized) { | |
655 | if (found_activated != NULL) | |
656 | *found_activated = 1; | |
657 | if (!(ret = cb(prov, cbdata))) | |
658 | break; | |
659 | } | |
660 | } | |
661 | ||
662 | return ret; | |
663 | } | |
664 | ||
36f5ec55 RL |
665 | /* |
666 | * This function only does something once when store->use_fallbacks == 1, | |
667 | * and then sets store->use_fallbacks = 0, so the second call and so on is | |
668 | * effectively a no-op. | |
669 | */ | |
670 | static void provider_activate_fallbacks(struct provider_store_st *store) | |
671 | { | |
672 | if (store->use_fallbacks) { | |
673 | int num_provs = sk_OSSL_PROVIDER_num(store->providers); | |
674 | int activated_fallback_count = 0; | |
675 | int i; | |
676 | ||
677 | for (i = 0; i < num_provs; i++) { | |
678 | OSSL_PROVIDER *prov = sk_OSSL_PROVIDER_value(store->providers, i); | |
679 | ||
680 | /* | |
c8567c39 RL |
681 | * Activated fallback providers get an extra refcount, to |
682 | * simulate a regular load. | |
683 | * Note that we don't care if the activation succeeds or not, | |
684 | * other than to maintain a correct refcount. If the activation | |
685 | * doesn't succeed, then any future attempt to use the fallback | |
686 | * provider will fail anyway. | |
36f5ec55 RL |
687 | */ |
688 | if (prov->flag_fallback) { | |
c8567c39 RL |
689 | if (ossl_provider_up_ref(prov)) { |
690 | if (!provider_activate(prov)) { | |
691 | ossl_provider_free(prov); | |
692 | } else { | |
693 | prov->flag_activated_as_fallback = 1; | |
694 | activated_fallback_count++; | |
695 | } | |
696 | } | |
36f5ec55 RL |
697 | } |
698 | } | |
699 | ||
700 | /* | |
701 | * We assume that all fallbacks have been added to the store before | |
702 | * any fallback is activated. | |
703 | * TODO: We may have to reconsider this, IF we find ourselves adding | |
704 | * fallbacks after any previous fallback has been activated. | |
705 | */ | |
706 | if (activated_fallback_count > 0) | |
707 | store->use_fallbacks = 0; | |
708 | } | |
709 | } | |
710 | ||
85e2417c RL |
711 | int ossl_provider_forall_loaded(OPENSSL_CTX *ctx, |
712 | int (*cb)(OSSL_PROVIDER *provider, | |
713 | void *cbdata), | |
714 | void *cbdata) | |
715 | { | |
716 | int ret = 1; | |
85e2417c RL |
717 | struct provider_store_st *store = get_provider_store(ctx); |
718 | ||
f844f9eb | 719 | #ifndef FIPS_MODULE |
5c5cdcd8 MC |
720 | /* |
721 | * Make sure any providers are loaded from config before we try to use | |
722 | * them. | |
723 | */ | |
724 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL); | |
725 | #endif | |
726 | ||
85e2417c RL |
727 | if (store != NULL) { |
728 | CRYPTO_THREAD_read_lock(store->lock); | |
36f5ec55 RL |
729 | |
730 | provider_activate_fallbacks(store); | |
85e2417c | 731 | |
e55008a9 | 732 | /* |
36f5ec55 | 733 | * Now, we sweep through all providers |
e55008a9 | 734 | */ |
36f5ec55 | 735 | ret = provider_forall_loaded(store, NULL, cb, cbdata); |
e55008a9 | 736 | |
85e2417c RL |
737 | CRYPTO_THREAD_unlock(store->lock); |
738 | } | |
739 | ||
740 | return ret; | |
741 | } | |
742 | ||
36f5ec55 RL |
743 | int ossl_provider_available(OSSL_PROVIDER *prov) |
744 | { | |
745 | if (prov != NULL) { | |
746 | CRYPTO_THREAD_read_lock(prov->store->lock); | |
747 | provider_activate_fallbacks(prov->store); | |
748 | CRYPTO_THREAD_unlock(prov->store->lock); | |
749 | ||
750 | return prov->flag_initialized; | |
751 | } | |
752 | return 0; | |
753 | } | |
754 | ||
e55008a9 RL |
755 | /* Setters of Provider Object data */ |
756 | int ossl_provider_set_fallback(OSSL_PROVIDER *prov) | |
757 | { | |
758 | if (prov == NULL) | |
759 | return 0; | |
760 | ||
761 | prov->flag_fallback = 1; | |
762 | return 1; | |
763 | } | |
764 | ||
4c2883a9 | 765 | /* Getters of Provider Object data */ |
24626a47 | 766 | const char *ossl_provider_name(const OSSL_PROVIDER *prov) |
4c2883a9 RL |
767 | { |
768 | return prov->name; | |
769 | } | |
770 | ||
24626a47 | 771 | const DSO *ossl_provider_dso(const OSSL_PROVIDER *prov) |
4c2883a9 RL |
772 | { |
773 | return prov->module; | |
774 | } | |
775 | ||
24626a47 | 776 | const char *ossl_provider_module_name(const OSSL_PROVIDER *prov) |
4c2883a9 | 777 | { |
f844f9eb | 778 | #ifdef FIPS_MODULE |
3593266d MC |
779 | return NULL; |
780 | #else | |
4c2883a9 | 781 | return DSO_get_filename(prov->module); |
3593266d | 782 | #endif |
4c2883a9 RL |
783 | } |
784 | ||
24626a47 | 785 | const char *ossl_provider_module_path(const OSSL_PROVIDER *prov) |
4c2883a9 | 786 | { |
f844f9eb | 787 | #ifdef FIPS_MODULE |
3593266d MC |
788 | return NULL; |
789 | #else | |
4c2883a9 RL |
790 | /* FIXME: Ensure it's a full path */ |
791 | return DSO_get_filename(prov->module); | |
3593266d | 792 | #endif |
4c2883a9 RL |
793 | } |
794 | ||
d01d3752 MC |
795 | void *ossl_provider_prov_ctx(const OSSL_PROVIDER *prov) |
796 | { | |
797 | if (prov != NULL) | |
798 | return prov->provctx; | |
799 | ||
800 | return NULL; | |
801 | } | |
802 | ||
e74bd290 RL |
803 | OPENSSL_CTX *ossl_provider_library_context(const OSSL_PROVIDER *prov) |
804 | { | |
185ce3d9 P |
805 | /* TODO(3.0) just: return prov->libctx; */ |
806 | return prov != NULL ? prov->libctx : NULL; | |
e74bd290 RL |
807 | } |
808 | ||
4c2883a9 RL |
809 | /* Wrappers around calls to the provider */ |
810 | void ossl_provider_teardown(const OSSL_PROVIDER *prov) | |
811 | { | |
812 | if (prov->teardown != NULL) | |
a39eb840 | 813 | prov->teardown(prov->provctx); |
4c2883a9 RL |
814 | } |
815 | ||
dca97d00 | 816 | const OSSL_PARAM *ossl_provider_gettable_params(const OSSL_PROVIDER *prov) |
4c2883a9 | 817 | { |
dca97d00 RL |
818 | return prov->gettable_params == NULL |
819 | ? NULL : prov->gettable_params(prov->provctx); | |
4c2883a9 RL |
820 | } |
821 | ||
4e7991b4 | 822 | int ossl_provider_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]) |
4c2883a9 | 823 | { |
a39eb840 RL |
824 | return prov->get_params == NULL |
825 | ? 0 : prov->get_params(prov->provctx, params); | |
4c2883a9 RL |
826 | } |
827 | ||
82ec09ec MC |
828 | int ossl_provider_get_capabilities(const OSSL_PROVIDER *prov, |
829 | const char *capability, | |
830 | OSSL_CALLBACK *cb, | |
831 | void *arg) | |
832 | { | |
833 | return prov->get_capabilities == NULL | |
834 | ? 0 : prov->get_capabilities(prov->provctx, capability, cb, arg); | |
835 | } | |
836 | ||
099bd339 RL |
837 | |
838 | const OSSL_ALGORITHM *ossl_provider_query_operation(const OSSL_PROVIDER *prov, | |
839 | int operation_id, | |
840 | int *no_cache) | |
841 | { | |
a39eb840 | 842 | return prov->query_operation(prov->provctx, operation_id, no_cache); |
099bd339 RL |
843 | } |
844 | ||
5a29b628 RL |
845 | int ossl_provider_set_operation_bit(OSSL_PROVIDER *provider, size_t bitnum) |
846 | { | |
847 | size_t byte = bitnum / 8; | |
848 | unsigned char bit = (1 << (bitnum % 8)) & 0xFF; | |
849 | ||
850 | if (provider->operation_bits_sz <= byte) { | |
851 | provider->operation_bits = OPENSSL_realloc(provider->operation_bits, | |
852 | byte + 1); | |
853 | if (provider->operation_bits == NULL) { | |
854 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE); | |
855 | return 0; | |
856 | } | |
857 | memset(provider->operation_bits + provider->operation_bits_sz, | |
858 | '\0', byte + 1 - provider->operation_bits_sz); | |
859 | } | |
860 | provider->operation_bits[byte] |= bit; | |
861 | return 1; | |
862 | } | |
863 | ||
864 | int ossl_provider_test_operation_bit(OSSL_PROVIDER *provider, size_t bitnum, | |
865 | int *result) | |
866 | { | |
867 | size_t byte = bitnum / 8; | |
868 | unsigned char bit = (1 << (bitnum % 8)) & 0xFF; | |
869 | ||
870 | if (!ossl_assert(result != NULL)) { | |
871 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER); | |
872 | return 0; | |
873 | } | |
874 | ||
875 | *result = 0; | |
876 | if (provider->operation_bits_sz > byte) | |
877 | *result = ((provider->operation_bits[byte] & bit) != 0); | |
878 | return 1; | |
879 | } | |
880 | ||
4c2883a9 RL |
881 | /*- |
882 | * Core functions for the provider | |
883 | * =============================== | |
884 | * | |
885 | * This is the set of functions that the core makes available to the provider | |
886 | */ | |
887 | ||
888 | /* | |
889 | * This returns a list of Provider Object parameters with their types, for | |
890 | * discovery. We do not expect that many providers will use this, but one | |
891 | * never knows. | |
892 | */ | |
26175013 | 893 | static const OSSL_PARAM param_types[] = { |
b8086652 SL |
894 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_CORE_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0), |
895 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_CORE_PROV_NAME, OSSL_PARAM_UTF8_PTR, | |
896 | NULL, 0), | |
897 | #ifndef FIPS_MODULE | |
898 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_CORE_MODULE_FILENAME, OSSL_PARAM_UTF8_PTR, | |
899 | NULL, 0), | |
900 | #endif | |
26175013 | 901 | OSSL_PARAM_END |
4c2883a9 RL |
902 | }; |
903 | ||
49c64346 RL |
904 | /* |
905 | * Forward declare all the functions that are provided aa dispatch. | |
906 | * This ensures that the compiler will complain if they aren't defined | |
907 | * with the correct signature. | |
908 | */ | |
dca97d00 | 909 | static OSSL_core_gettable_params_fn core_gettable_params; |
49c64346 RL |
910 | static OSSL_core_get_params_fn core_get_params; |
911 | static OSSL_core_thread_start_fn core_thread_start; | |
912 | static OSSL_core_get_library_context_fn core_get_libctx; | |
f844f9eb | 913 | #ifndef FIPS_MODULE |
49c64346 RL |
914 | static OSSL_core_new_error_fn core_new_error; |
915 | static OSSL_core_set_error_debug_fn core_set_error_debug; | |
916 | static OSSL_core_vset_error_fn core_vset_error; | |
7b131de2 RL |
917 | static OSSL_core_set_error_mark_fn core_set_error_mark; |
918 | static OSSL_core_clear_last_error_mark_fn core_clear_last_error_mark; | |
919 | static OSSL_core_pop_error_to_mark_fn core_pop_error_to_mark; | |
49c64346 RL |
920 | #endif |
921 | ||
d40b42ab | 922 | static const OSSL_PARAM *core_gettable_params(const OSSL_CORE_HANDLE *handle) |
4c2883a9 RL |
923 | { |
924 | return param_types; | |
925 | } | |
926 | ||
d40b42ab | 927 | static int core_get_params(const OSSL_CORE_HANDLE *handle, OSSL_PARAM params[]) |
4c2883a9 RL |
928 | { |
929 | int i; | |
4e7991b4 | 930 | OSSL_PARAM *p; |
d40b42ab MC |
931 | /* |
932 | * We created this object originally and we know it is actually an | |
933 | * OSSL_PROVIDER *, so the cast is safe | |
934 | */ | |
935 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
4c2883a9 | 936 | |
b8086652 | 937 | if ((p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_CORE_VERSION)) != NULL) |
ac1055ef | 938 | OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR); |
b8086652 | 939 | if ((p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_CORE_PROV_NAME)) != NULL) |
ac1055ef RL |
940 | OSSL_PARAM_set_utf8_ptr(p, prov->name); |
941 | ||
f844f9eb | 942 | #ifndef FIPS_MODULE |
b8086652 SL |
943 | if ((p = OSSL_PARAM_locate(params, |
944 | OSSL_PROV_PARAM_CORE_MODULE_FILENAME)) != NULL) | |
25e60144 SL |
945 | OSSL_PARAM_set_utf8_ptr(p, ossl_provider_module_path(prov)); |
946 | #endif | |
947 | ||
ac1055ef RL |
948 | if (prov->parameters == NULL) |
949 | return 1; | |
950 | ||
951 | for (i = 0; i < sk_INFOPAIR_num(prov->parameters); i++) { | |
952 | INFOPAIR *pair = sk_INFOPAIR_value(prov->parameters, i); | |
953 | ||
954 | if ((p = OSSL_PARAM_locate(params, pair->name)) != NULL) | |
955 | OSSL_PARAM_set_utf8_ptr(p, pair->value); | |
4c2883a9 | 956 | } |
4c2883a9 RL |
957 | return 1; |
958 | } | |
959 | ||
d40b42ab | 960 | static OPENSSL_CORE_CTX *core_get_libctx(const OSSL_CORE_HANDLE *handle) |
e7706e63 | 961 | { |
d40b42ab MC |
962 | /* |
963 | * We created this object originally and we know it is actually an | |
964 | * OSSL_PROVIDER *, so the cast is safe | |
965 | */ | |
966 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
967 | ||
968 | return (OPENSSL_CORE_CTX *)ossl_provider_library_context(prov); | |
e7706e63 RL |
969 | } |
970 | ||
d40b42ab | 971 | static int core_thread_start(const OSSL_CORE_HANDLE *handle, |
da747958 MC |
972 | OSSL_thread_stop_handler_fn handfn) |
973 | { | |
d40b42ab MC |
974 | /* |
975 | * We created this object originally and we know it is actually an | |
976 | * OSSL_PROVIDER *, so the cast is safe | |
977 | */ | |
978 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
979 | ||
6913f5fe | 980 | return ossl_init_thread_start(prov, prov->provctx, handfn); |
da747958 MC |
981 | } |
982 | ||
6592ab81 RL |
983 | /* |
984 | * The FIPS module inner provider doesn't implement these. They aren't | |
985 | * needed there, since the FIPS module upcalls are always the outer provider | |
986 | * ones. | |
987 | */ | |
f844f9eb | 988 | #ifndef FIPS_MODULE |
49c64346 | 989 | /* |
d40b42ab | 990 | * TODO(3.0) These error functions should use |handle| to select the proper |
49c64346 RL |
991 | * library context to report in the correct error stack, at least if error |
992 | * stacks become tied to the library context. | |
993 | * We cannot currently do that since there's no support for it in the | |
994 | * ERR subsystem. | |
995 | */ | |
d40b42ab | 996 | static void core_new_error(const OSSL_CORE_HANDLE *handle) |
49c64346 RL |
997 | { |
998 | ERR_new(); | |
999 | } | |
1000 | ||
d40b42ab | 1001 | static void core_set_error_debug(const OSSL_CORE_HANDLE *handle, |
49c64346 RL |
1002 | const char *file, int line, const char *func) |
1003 | { | |
1004 | ERR_set_debug(file, line, func); | |
1005 | } | |
1006 | ||
d40b42ab | 1007 | static void core_vset_error(const OSSL_CORE_HANDLE *handle, |
49c64346 | 1008 | uint32_t reason, const char *fmt, va_list args) |
6ebc2f56 | 1009 | { |
d40b42ab MC |
1010 | /* |
1011 | * We created this object originally and we know it is actually an | |
1012 | * OSSL_PROVIDER *, so the cast is safe | |
1013 | */ | |
1014 | OSSL_PROVIDER *prov = (OSSL_PROVIDER *)handle; | |
1015 | ||
6ebc2f56 RL |
1016 | /* |
1017 | * If the uppermost 8 bits are non-zero, it's an OpenSSL library | |
1018 | * error and will be treated as such. Otherwise, it's a new style | |
1019 | * provider error and will be treated as such. | |
1020 | */ | |
1021 | if (ERR_GET_LIB(reason) != 0) { | |
49c64346 | 1022 | ERR_vset_error(ERR_GET_LIB(reason), ERR_GET_REASON(reason), fmt, args); |
6ebc2f56 | 1023 | } else { |
49c64346 | 1024 | ERR_vset_error(prov->error_lib, (int)reason, fmt, args); |
6ebc2f56 RL |
1025 | } |
1026 | } | |
7b131de2 | 1027 | |
d40b42ab | 1028 | static int core_set_error_mark(const OSSL_CORE_HANDLE *handle) |
7b131de2 RL |
1029 | { |
1030 | return ERR_set_mark(); | |
1031 | } | |
1032 | ||
d40b42ab | 1033 | static int core_clear_last_error_mark(const OSSL_CORE_HANDLE *handle) |
7b131de2 RL |
1034 | { |
1035 | return ERR_clear_last_mark(); | |
1036 | } | |
1037 | ||
d40b42ab | 1038 | static int core_pop_error_to_mark(const OSSL_CORE_HANDLE *handle) |
7b131de2 RL |
1039 | { |
1040 | return ERR_pop_to_mark(); | |
1041 | } | |
f844f9eb | 1042 | #endif /* FIPS_MODULE */ |
6ebc2f56 | 1043 | |
b60cba3c RS |
1044 | /* |
1045 | * Functions provided by the core. Blank line separates "families" of related | |
1046 | * functions. | |
1047 | */ | |
4c2883a9 | 1048 | static const OSSL_DISPATCH core_dispatch_[] = { |
dca97d00 | 1049 | { OSSL_FUNC_CORE_GETTABLE_PARAMS, (void (*)(void))core_gettable_params }, |
4c2883a9 | 1050 | { OSSL_FUNC_CORE_GET_PARAMS, (void (*)(void))core_get_params }, |
e7706e63 | 1051 | { OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT, (void (*)(void))core_get_libctx }, |
da747958 | 1052 | { OSSL_FUNC_CORE_THREAD_START, (void (*)(void))core_thread_start }, |
f844f9eb | 1053 | #ifndef FIPS_MODULE |
49c64346 RL |
1054 | { OSSL_FUNC_CORE_NEW_ERROR, (void (*)(void))core_new_error }, |
1055 | { OSSL_FUNC_CORE_SET_ERROR_DEBUG, (void (*)(void))core_set_error_debug }, | |
1056 | { OSSL_FUNC_CORE_VSET_ERROR, (void (*)(void))core_vset_error }, | |
7b131de2 RL |
1057 | { OSSL_FUNC_CORE_SET_ERROR_MARK, (void (*)(void))core_set_error_mark }, |
1058 | { OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK, | |
1059 | (void (*)(void))core_clear_last_error_mark }, | |
d16d0b71 | 1060 | { OSSL_FUNC_CORE_POP_ERROR_TO_MARK, (void (*)(void))core_pop_error_to_mark }, |
25e60144 SL |
1061 | { OSSL_FUNC_BIO_NEW_FILE, (void (*)(void))BIO_new_file }, |
1062 | { OSSL_FUNC_BIO_NEW_MEMBUF, (void (*)(void))BIO_new_mem_buf }, | |
7bb82f92 | 1063 | { OSSL_FUNC_BIO_READ_EX, (void (*)(void))BIO_read_ex }, |
d40b42ab | 1064 | { OSSL_FUNC_BIO_WRITE_EX, (void (*)(void))BIO_write_ex }, |
25e60144 | 1065 | { OSSL_FUNC_BIO_FREE, (void (*)(void))BIO_free }, |
63665fff | 1066 | { OSSL_FUNC_BIO_VPRINTF, (void (*)(void))BIO_vprintf }, |
d16d0b71 | 1067 | { OSSL_FUNC_BIO_VSNPRINTF, (void (*)(void))BIO_vsnprintf }, |
36fc5fc6 | 1068 | { OSSL_FUNC_SELF_TEST_CB, (void (*)(void))OSSL_SELF_TEST_get_callback }, |
6592ab81 | 1069 | #endif |
b60cba3c RS |
1070 | { OSSL_FUNC_CRYPTO_MALLOC, (void (*)(void))CRYPTO_malloc }, |
1071 | { OSSL_FUNC_CRYPTO_ZALLOC, (void (*)(void))CRYPTO_zalloc }, | |
b60cba3c RS |
1072 | { OSSL_FUNC_CRYPTO_FREE, (void (*)(void))CRYPTO_free }, |
1073 | { OSSL_FUNC_CRYPTO_CLEAR_FREE, (void (*)(void))CRYPTO_clear_free }, | |
1074 | { OSSL_FUNC_CRYPTO_REALLOC, (void (*)(void))CRYPTO_realloc }, | |
1075 | { OSSL_FUNC_CRYPTO_CLEAR_REALLOC, (void (*)(void))CRYPTO_clear_realloc }, | |
1076 | { OSSL_FUNC_CRYPTO_SECURE_MALLOC, (void (*)(void))CRYPTO_secure_malloc }, | |
1077 | { OSSL_FUNC_CRYPTO_SECURE_ZALLOC, (void (*)(void))CRYPTO_secure_zalloc }, | |
1078 | { OSSL_FUNC_CRYPTO_SECURE_FREE, (void (*)(void))CRYPTO_secure_free }, | |
1079 | { OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE, | |
1080 | (void (*)(void))CRYPTO_secure_clear_free }, | |
1081 | { OSSL_FUNC_CRYPTO_SECURE_ALLOCATED, | |
1082 | (void (*)(void))CRYPTO_secure_allocated }, | |
1083 | { OSSL_FUNC_OPENSSL_CLEANSE, (void (*)(void))OPENSSL_cleanse }, | |
b60cba3c | 1084 | |
4c2883a9 RL |
1085 | { 0, NULL } |
1086 | }; | |
1087 | static const OSSL_DISPATCH *core_dispatch = core_dispatch_; |