1/* 2 * Copyright 2019-2024 The OpenSSL Project Authors. All Rights Reserved. 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 <stddef.h> 11#include <openssl/types.h> 12#include <openssl/evp.h> 13#include <openssl/core.h> 14#include "internal/cryptlib.h" 15#include "internal/thread_once.h" 16#include "internal/property.h" 17#include "internal/core.h" 18#include "internal/provider.h" 19#include "internal/namemap.h" 20#include "internal/property.h" 21#include "crypto/evp.h" /* evp_local.h needs it */ 22#include "evp_local.h" 23 24#define NAME_SEPARATOR ':' 25 26static void evp_method_store_free(void *vstore) 27{ 28 ossl_method_store_free(vstore); 29} 30 31static void *evp_method_store_new(OSSL_LIB_CTX *ctx) 32{ 33 return ossl_method_store_new(ctx); 34} 35 36 37static const OSSL_LIB_CTX_METHOD evp_method_store_method = { 38 /* We want evp_method_store to be cleaned up before the provider store */ 39 OSSL_LIB_CTX_METHOD_PRIORITY_2, 40 evp_method_store_new, 41 evp_method_store_free, 42}; 43 44/* Data to be passed through ossl_method_construct() */ 45struct evp_method_data_st { 46 OSSL_LIB_CTX *libctx; 47 int operation_id; /* For get_evp_method_from_store() */ 48 int name_id; /* For get_evp_method_from_store() */ 49 const char *names; /* For get_evp_method_from_store() */ 50 const char *propquery; /* For get_evp_method_from_store() */ 51 52 OSSL_METHOD_STORE *tmp_store; /* For get_tmp_evp_method_store() */ 53 54 unsigned int flag_construct_error_occurred : 1; 55 56 void *(*method_from_algorithm)(int name_id, const OSSL_ALGORITHM *, 57 OSSL_PROVIDER *); 58 int (*refcnt_up_method)(void *method); 59 void (*destruct_method)(void *method); 60}; 61 62/* 63 * Generic routines to fetch / create EVP methods with ossl_method_construct() 64 */ 65static void *get_tmp_evp_method_store(void *data) 66{ 67 struct evp_method_data_st *methdata = data; 68 69 if (methdata->tmp_store == NULL) 70 methdata->tmp_store = ossl_method_store_new(methdata->libctx); 71 return methdata->tmp_store; 72} 73 74 static void dealloc_tmp_evp_method_store(void *store) 75{ 76 if (store != NULL) 77 ossl_method_store_free(store); 78} 79 80static OSSL_METHOD_STORE *get_evp_method_store(OSSL_LIB_CTX *libctx) 81{ 82 return ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_EVP_METHOD_STORE_INDEX, 83 &evp_method_store_method); 84} 85 86static int reserve_evp_method_store(void *store, void *data) 87{ 88 struct evp_method_data_st *methdata = data; 89 90 if (store == NULL 91 && (store = get_evp_method_store(methdata->libctx)) == NULL) 92 return 0; 93 94 return ossl_method_lock_store(store); 95} 96 97static int unreserve_evp_method_store(void *store, void *data) 98{ 99 struct evp_method_data_st *methdata = data; 100 101 if (store == NULL 102 && (store = get_evp_method_store(methdata->libctx)) == NULL) 103 return 0; 104 105 return ossl_method_unlock_store(store); 106} 107 108/* 109 * To identify the method in the EVP method store, we mix the name identity 110 * with the operation identity, under the assumption that we don't have more 111 * than 2^23 names or more than 2^8 operation types. 112 * 113 * The resulting identity is a 31-bit integer, composed like this: 114 * 115 * +---------23 bits--------+-8 bits-+ 116 * | name identity | op id | 117 * +------------------------+--------+ 118 * 119 * We limit this composite number to 31 bits, thus leaving the top uint32_t 120 * bit always zero, to avoid negative sign extension when downshifting after 121 * this number happens to be passed to an int (which happens as soon as it's 122 * passed to ossl_method_store_cache_set(), and it's in that form that it 123 * gets passed along to filter_on_operation_id(), defined further down. 124 */ 125#define METHOD_ID_OPERATION_MASK 0x000000FF 126#define METHOD_ID_OPERATION_MAX ((1 << 8) - 1) 127#define METHOD_ID_NAME_MASK 0x7FFFFF00 128#define METHOD_ID_NAME_OFFSET 8 129#define METHOD_ID_NAME_MAX ((1 << 23) - 1) 130static uint32_t evp_method_id(int name_id, unsigned int operation_id) 131{ 132 if (!ossl_assert(name_id > 0 && name_id <= METHOD_ID_NAME_MAX) 133 || !ossl_assert(operation_id > 0 134 && operation_id <= METHOD_ID_OPERATION_MAX)) 135 return 0; 136 return (((name_id << METHOD_ID_NAME_OFFSET) & METHOD_ID_NAME_MASK) 137 | (operation_id & METHOD_ID_OPERATION_MASK)); 138} 139 140static void *get_evp_method_from_store(void *store, const OSSL_PROVIDER **prov, 141 void *data) 142{ 143 struct evp_method_data_st *methdata = data; 144 void *method = NULL; 145 int name_id = 0; 146 uint32_t meth_id; 147 148 /* 149 * get_evp_method_from_store() is only called to try and get the method 150 * that evp_generic_fetch() is asking for, and the operation id as well 151 * as the name or name id are passed via methdata. 152 */ 153 if ((name_id = methdata->name_id) == 0 && methdata->names != NULL) { 154 OSSL_NAMEMAP *namemap = ossl_namemap_stored(methdata->libctx); 155 const char *names = methdata->names; 156 const char *q = strchr(names, NAME_SEPARATOR); 157 size_t l = (q == NULL ? strlen(names) : (size_t)(q - names)); 158 159 if (namemap == 0) 160 return NULL; 161 name_id = ossl_namemap_name2num_n(namemap, names, l); 162 } 163 164 if (name_id == 0 165 || (meth_id = evp_method_id(name_id, methdata->operation_id)) == 0) 166 return NULL; 167 168 if (store == NULL 169 && (store = get_evp_method_store(methdata->libctx)) == NULL) 170 return NULL; 171 172 if (!ossl_method_store_fetch(store, meth_id, methdata->propquery, prov, 173 &method)) 174 return NULL; 175 return method; 176} 177 178static int put_evp_method_in_store(void *store, void *method, 179 const OSSL_PROVIDER *prov, 180 const char *names, const char *propdef, 181 void *data) 182{ 183 struct evp_method_data_st *methdata = data; 184 OSSL_NAMEMAP *namemap; 185 int name_id; 186 uint32_t meth_id; 187 size_t l = 0; 188 189 /* 190 * put_evp_method_in_store() is only called with an EVP method that was 191 * successfully created by construct_method() below, which means that 192 * all the names should already be stored in the namemap with the same 193 * numeric identity, so just use the first to get that identity. 194 */ 195 if (names != NULL) { 196 const char *q = strchr(names, NAME_SEPARATOR); 197 198 l = (q == NULL ? strlen(names) : (size_t)(q - names)); 199 } 200 201 if ((namemap = ossl_namemap_stored(methdata->libctx)) == NULL 202 || (name_id = ossl_namemap_name2num_n(namemap, names, l)) == 0 203 || (meth_id = evp_method_id(name_id, methdata->operation_id)) == 0) 204 return 0; 205 206 if (store == NULL 207 && (store = get_evp_method_store(methdata->libctx)) == NULL) 208 return 0; 209 210 return ossl_method_store_add(store, prov, meth_id, propdef, method, 211 methdata->refcnt_up_method, 212 methdata->destruct_method); 213} 214 215/* 216 * The core fetching functionality passes the name of the implementation. 217 * This function is responsible to getting an identity number for it. 218 */ 219static void *construct_evp_method(const OSSL_ALGORITHM *algodef, 220 OSSL_PROVIDER *prov, void *data) 221{ 222 /* 223 * This function is only called if get_evp_method_from_store() returned 224 * NULL, so it's safe to say that of all the spots to create a new 225 * namemap entry, this is it. Should the name already exist there, we 226 * know that ossl_namemap_add_name() will return its corresponding 227 * number. 228 */ 229 struct evp_method_data_st *methdata = data; 230 OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov); 231 OSSL_NAMEMAP *namemap = ossl_namemap_stored(libctx); 232 const char *names = algodef->algorithm_names; 233 int name_id = ossl_namemap_add_names(namemap, 0, names, NAME_SEPARATOR); 234 void *method; 235 236 if (name_id == 0) 237 return NULL; 238 239 method = methdata->method_from_algorithm(name_id, algodef, prov); 240 241 /* 242 * Flag to indicate that there was actual construction errors. This 243 * helps inner_evp_generic_fetch() determine what error it should 244 * record on inaccessible algorithms. 245 */ 246 if (method == NULL) 247 methdata->flag_construct_error_occurred = 1; 248 249 return method; 250} 251 252static void destruct_evp_method(void *method, void *data) 253{ 254 struct evp_method_data_st *methdata = data; 255 256 methdata->destruct_method(method); 257} 258 259static void * 260inner_evp_generic_fetch(struct evp_method_data_st *methdata, 261 OSSL_PROVIDER *prov, int operation_id, 262 int name_id, const char *name, 263 const char *properties, 264 void *(*new_method)(int name_id, 265 const OSSL_ALGORITHM *algodef, 266 OSSL_PROVIDER *prov), 267 int (*up_ref_method)(void *), 268 void (*free_method)(void *)) 269{ 270 OSSL_METHOD_STORE *store = get_evp_method_store(methdata->libctx); 271 OSSL_NAMEMAP *namemap = ossl_namemap_stored(methdata->libctx); 272 const char *const propq = properties != NULL ? properties : ""; 273 uint32_t meth_id = 0; 274 void *method = NULL; 275 int unsupported = 0; 276 277 if (store == NULL || namemap == NULL) { 278 ERR_raise(ERR_LIB_EVP, ERR_R_PASSED_INVALID_ARGUMENT); 279 return NULL; 280 } 281 282 /* 283 * If there's ever an operation_id == 0 passed, we have an internal 284 * programming error. 285 */ 286 if (!ossl_assert(operation_id > 0)) { 287 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); 288 return NULL; 289 } 290 291 /* 292 * If we have been passed both a name_id and a name, we have an 293 * internal programming error. 294 */ 295 if (!ossl_assert(name_id == 0 || name == NULL)) { 296 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); 297 return NULL; 298 } 299 300 /* If we haven't received a name id yet, try to get one for the name */ 301 if (name_id == 0 && name != NULL) 302 name_id = ossl_namemap_name2num(namemap, name); 303 304 /* 305 * If we have a name id, calculate a method id with evp_method_id(). 306 * 307 * evp_method_id returns 0 if we have too many operations (more than 308 * about 2^8) or too many names (more than about 2^24). In that case, 309 * we can't create any new method. 310 * For all intents and purposes, this is an internal error. 311 */ 312 if (name_id != 0 && (meth_id = evp_method_id(name_id, operation_id)) == 0) { 313 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); 314 return NULL; 315 } 316 317 /* 318 * If we haven't found the name yet, chances are that the algorithm to 319 * be fetched is unsupported. 320 */ 321 if (name_id == 0) 322 unsupported = 1; 323 324 if (meth_id == 0 325 || !ossl_method_store_cache_get(store, prov, meth_id, propq, &method)) { 326 OSSL_METHOD_CONSTRUCT_METHOD mcm = { 327 get_tmp_evp_method_store, 328 reserve_evp_method_store, 329 unreserve_evp_method_store, 330 get_evp_method_from_store, 331 put_evp_method_in_store, 332 construct_evp_method, 333 destruct_evp_method 334 }; 335 336 methdata->operation_id = operation_id; 337 methdata->name_id = name_id; 338 methdata->names = name; 339 methdata->propquery = propq; 340 methdata->method_from_algorithm = new_method; 341 methdata->refcnt_up_method = up_ref_method; 342 methdata->destruct_method = free_method; 343 methdata->flag_construct_error_occurred = 0; 344 if ((method = ossl_method_construct(methdata->libctx, operation_id, 345 &prov, 0 /* !force_cache */, 346 &mcm, methdata)) != NULL) { 347 /* 348 * If construction did create a method for us, we know that 349 * there is a correct name_id and meth_id, since those have 350 * already been calculated in get_evp_method_from_store() and 351 * put_evp_method_in_store() above. 352 * Note that there is a corner case here, in which, if a user 353 * passes a name of the form name1:name2:..., then the construction 354 * will create a method against all names, but the lookup will fail 355 * as ossl_namemap_name2num treats the name string as a single name 356 * rather than introducing new features where in the EVP_<obj>_fetch 357 * parses the string and querys for each, return an error. 358 */ 359 if (name_id == 0) 360 name_id = ossl_namemap_name2num(namemap, name); 361 if (name_id == 0) { 362 ERR_raise_data(ERR_LIB_EVP, ERR_R_FETCH_FAILED, 363 "Algorithm %s cannot be found", name); 364 free_method(method); 365 method = NULL; 366 } else { 367 meth_id = evp_method_id(name_id, operation_id); 368 if (meth_id != 0) 369 ossl_method_store_cache_set(store, prov, meth_id, propq, 370 method, up_ref_method, free_method); 371 } 372 } 373 374 /* 375 * If we never were in the constructor, the algorithm to be fetched 376 * is unsupported. 377 */ 378 unsupported = !methdata->flag_construct_error_occurred; 379 } 380 381 if ((name_id != 0 || name != NULL) && method == NULL) { 382 int code = unsupported ? ERR_R_UNSUPPORTED : ERR_R_FETCH_FAILED; 383 384 if (name == NULL) 385 name = ossl_namemap_num2name(namemap, name_id, 0); 386 ERR_raise_data(ERR_LIB_EVP, code, 387 "%s, Algorithm (%s : %d), Properties (%s)", 388 ossl_lib_ctx_get_descriptor(methdata->libctx), 389 name == NULL ? "<null>" : name, name_id, 390 properties == NULL ? "<null>" : properties); 391 } 392 393 return method; 394} 395 396void *evp_generic_fetch(OSSL_LIB_CTX *libctx, int operation_id, 397 const char *name, const char *properties, 398 void *(*new_method)(int name_id, 399 const OSSL_ALGORITHM *algodef, 400 OSSL_PROVIDER *prov), 401 int (*up_ref_method)(void *), 402 void (*free_method)(void *)) 403{ 404 struct evp_method_data_st methdata; 405 void *method; 406 407 methdata.libctx = libctx; 408 methdata.tmp_store = NULL; 409 method = inner_evp_generic_fetch(&methdata, NULL, operation_id, 410 0, name, properties, 411 new_method, up_ref_method, free_method); 412 dealloc_tmp_evp_method_store(methdata.tmp_store); 413 return method; 414} 415 416/* 417 * evp_generic_fetch_by_number() is special, and only returns methods for 418 * already known names, i.e. it refuses to work if no name_id can be found 419 * (it's considered an internal programming error). 420 * This is meant to be used when one method needs to fetch an associated 421 * method. 422 */ 423void *evp_generic_fetch_by_number(OSSL_LIB_CTX *libctx, int operation_id, 424 int name_id, const char *properties, 425 void *(*new_method)(int name_id, 426 const OSSL_ALGORITHM *algodef, 427 OSSL_PROVIDER *prov), 428 int (*up_ref_method)(void *), 429 void (*free_method)(void *)) 430{ 431 struct evp_method_data_st methdata; 432 void *method; 433 434 methdata.libctx = libctx; 435 methdata.tmp_store = NULL; 436 method = inner_evp_generic_fetch(&methdata, NULL, operation_id, 437 name_id, NULL, properties, 438 new_method, up_ref_method, free_method); 439 dealloc_tmp_evp_method_store(methdata.tmp_store); 440 return method; 441} 442 443/* 444 * evp_generic_fetch_from_prov() is special, and only returns methods from 445 * the given provider. 446 * This is meant to be used when one method needs to fetch an associated 447 * method. 448 */ 449void *evp_generic_fetch_from_prov(OSSL_PROVIDER *prov, int operation_id, 450 const char *name, const char *properties, 451 void *(*new_method)(int name_id, 452 const OSSL_ALGORITHM *algodef, 453 OSSL_PROVIDER *prov), 454 int (*up_ref_method)(void *), 455 void (*free_method)(void *)) 456{ 457 struct evp_method_data_st methdata; 458 void *method; 459 460 methdata.libctx = ossl_provider_libctx(prov); 461 methdata.tmp_store = NULL; 462 method = inner_evp_generic_fetch(&methdata, prov, operation_id, 463 0, name, properties, 464 new_method, up_ref_method, free_method); 465 dealloc_tmp_evp_method_store(methdata.tmp_store); 466 return method; 467} 468 469int evp_method_store_cache_flush(OSSL_LIB_CTX *libctx) 470{ 471 OSSL_METHOD_STORE *store = get_evp_method_store(libctx); 472 473 if (store != NULL) 474 return ossl_method_store_cache_flush_all(store); 475 return 1; 476} 477 478int evp_method_store_remove_all_provided(const OSSL_PROVIDER *prov) 479{ 480 OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov); 481 OSSL_METHOD_STORE *store = get_evp_method_store(libctx); 482 483 if (store != NULL) 484 return ossl_method_store_remove_all_provided(store, prov); 485 return 1; 486} 487 488static int evp_set_parsed_default_properties(OSSL_LIB_CTX *libctx, 489 OSSL_PROPERTY_LIST *def_prop, 490 int loadconfig, 491 int mirrored) 492{ 493 OSSL_METHOD_STORE *store = get_evp_method_store(libctx); 494 OSSL_PROPERTY_LIST **plp = ossl_ctx_global_properties(libctx, loadconfig); 495 496 if (plp != NULL && store != NULL) { 497#ifndef FIPS_MODULE 498 char *propstr = NULL; 499 size_t strsz; 500 501 if (mirrored) { 502 if (ossl_global_properties_no_mirrored(libctx)) 503 return 0; 504 } else { 505 /* 506 * These properties have been explicitly set on this libctx, so 507 * don't allow any mirroring from a parent libctx. 508 */ 509 ossl_global_properties_stop_mirroring(libctx); 510 } 511 512 strsz = ossl_property_list_to_string(libctx, def_prop, NULL, 0); 513 if (strsz > 0) 514 propstr = OPENSSL_malloc(strsz); 515 if (propstr == NULL) { 516 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); 517 return 0; 518 } 519 if (ossl_property_list_to_string(libctx, def_prop, propstr, 520 strsz) == 0) { 521 OPENSSL_free(propstr); 522 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); 523 return 0; 524 } 525 ossl_provider_default_props_update(libctx, propstr); 526 OPENSSL_free(propstr); 527#endif 528 ossl_property_free(*plp); 529 *plp = def_prop; 530 if (store != NULL) 531 return ossl_method_store_cache_flush_all(store); 532 } 533 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); 534 return 0; 535} 536 537int evp_set_default_properties_int(OSSL_LIB_CTX *libctx, const char *propq, 538 int loadconfig, int mirrored) 539{ 540 OSSL_PROPERTY_LIST *pl = NULL; 541 542 if (propq != NULL && (pl = ossl_parse_query(libctx, propq, 1)) == NULL) { 543 ERR_raise(ERR_LIB_EVP, EVP_R_DEFAULT_QUERY_PARSE_ERROR); 544 return 0; 545 } 546 if (!evp_set_parsed_default_properties(libctx, pl, loadconfig, mirrored)) { 547 ossl_property_free(pl); 548 return 0; 549 } 550 return 1; 551} 552 553int EVP_set_default_properties(OSSL_LIB_CTX *libctx, const char *propq) 554{ 555 return evp_set_default_properties_int(libctx, propq, 1, 0); 556} 557 558static int evp_default_properties_merge(OSSL_LIB_CTX *libctx, const char *propq, 559 int loadconfig) 560{ 561 OSSL_PROPERTY_LIST **plp = ossl_ctx_global_properties(libctx, loadconfig); 562 OSSL_PROPERTY_LIST *pl1, *pl2; 563 564 if (propq == NULL) 565 return 1; 566 if (plp == NULL || *plp == NULL) 567 return evp_set_default_properties_int(libctx, propq, 0, 0); 568 if ((pl1 = ossl_parse_query(libctx, propq, 1)) == NULL) { 569 ERR_raise(ERR_LIB_EVP, EVP_R_DEFAULT_QUERY_PARSE_ERROR); 570 return 0; 571 } 572 pl2 = ossl_property_merge(pl1, *plp); 573 ossl_property_free(pl1); 574 if (pl2 == NULL) { 575 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); 576 return 0; 577 } 578 if (!evp_set_parsed_default_properties(libctx, pl2, 0, 0)) { 579 ossl_property_free(pl2); 580 return 0; 581 } 582 return 1; 583} 584 585static int evp_default_property_is_enabled(OSSL_LIB_CTX *libctx, 586 const char *prop_name) 587{ 588 OSSL_PROPERTY_LIST **plp = ossl_ctx_global_properties(libctx, 1); 589 590 return plp != NULL && ossl_property_is_enabled(libctx, prop_name, *plp); 591} 592 593int EVP_default_properties_is_fips_enabled(OSSL_LIB_CTX *libctx) 594{ 595 return evp_default_property_is_enabled(libctx, "fips"); 596} 597 598int evp_default_properties_enable_fips_int(OSSL_LIB_CTX *libctx, int enable, 599 int loadconfig) 600{ 601 const char *query = (enable != 0) ? "fips=yes" : "-fips"; 602 603 return evp_default_properties_merge(libctx, query, loadconfig); 604} 605 606int EVP_default_properties_enable_fips(OSSL_LIB_CTX *libctx, int enable) 607{ 608 return evp_default_properties_enable_fips_int(libctx, enable, 1); 609} 610 611char *evp_get_global_properties_str(OSSL_LIB_CTX *libctx, int loadconfig) 612{ 613 OSSL_PROPERTY_LIST **plp = ossl_ctx_global_properties(libctx, loadconfig); 614 char *propstr = NULL; 615 size_t sz; 616 617 if (plp == NULL) 618 return OPENSSL_strdup(""); 619 620 sz = ossl_property_list_to_string(libctx, *plp, NULL, 0); 621 if (sz == 0) { 622 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); 623 return NULL; 624 } 625 626 propstr = OPENSSL_malloc(sz); 627 if (propstr == NULL) { 628 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE); 629 return NULL; 630 } 631 if (ossl_property_list_to_string(libctx, *plp, propstr, sz) == 0) { 632 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR); 633 OPENSSL_free(propstr); 634 return NULL; 635 } 636 return propstr; 637} 638 639struct filter_data_st { 640 int operation_id; 641 void (*user_fn)(void *method, void *arg); 642 void *user_arg; 643}; 644 645static void filter_on_operation_id(int id, void *method, void *arg) 646{ 647 struct filter_data_st *data = arg; 648 649 if ((id & METHOD_ID_OPERATION_MASK) == data->operation_id) 650 data->user_fn(method, data->user_arg); 651} 652 653void evp_generic_do_all(OSSL_LIB_CTX *libctx, int operation_id, 654 void (*user_fn)(void *method, void *arg), 655 void *user_arg, 656 void *(*new_method)(int name_id, 657 const OSSL_ALGORITHM *algodef, 658 OSSL_PROVIDER *prov), 659 int (*up_ref_method)(void *), 660 void (*free_method)(void *)) 661{ 662 struct evp_method_data_st methdata; 663 struct filter_data_st data; 664 665 methdata.libctx = libctx; 666 methdata.tmp_store = NULL; 667 (void)inner_evp_generic_fetch(&methdata, NULL, operation_id, 0, NULL, NULL, 668 new_method, up_ref_method, free_method); 669 670 data.operation_id = operation_id; 671 data.user_fn = user_fn; 672 data.user_arg = user_arg; 673 if (methdata.tmp_store != NULL) 674 ossl_method_store_do_all(methdata.tmp_store, &filter_on_operation_id, 675 &data); 676 ossl_method_store_do_all(get_evp_method_store(libctx), 677 &filter_on_operation_id, &data); 678 dealloc_tmp_evp_method_store(methdata.tmp_store); 679} 680 681int evp_is_a(OSSL_PROVIDER *prov, int number, 682 const char *legacy_name, const char *name) 683{ 684 /* 685 * For a |prov| that is NULL, the library context will be NULL 686 */ 687 OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov); 688 OSSL_NAMEMAP *namemap = ossl_namemap_stored(libctx); 689 690 if (prov == NULL) 691 number = ossl_namemap_name2num(namemap, legacy_name); 692 return ossl_namemap_name2num(namemap, name) == number; 693} 694 695int evp_names_do_all(OSSL_PROVIDER *prov, int number, 696 void (*fn)(const char *name, void *data), 697 void *data) 698{ 699 OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov); 700 OSSL_NAMEMAP *namemap = ossl_namemap_stored(libctx); 701 702 return ossl_namemap_doall_names(namemap, number, fn, data); 703} 704