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f2182a4e | 1 | /* |
8020d79b | 2 | * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. |
f2182a4e 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 | ||
a9550b74 | 10 | #include "e_os.h" /* strcasecmp */ |
f2182a4e RL |
11 | #include "internal/namemap.h" |
12 | #include <openssl/lhash.h> | |
285aa80e | 13 | #include "crypto/lhash.h" /* ossl_lh_strcasehash */ |
c720fc35 | 14 | #include "internal/tsan_assist.h" |
05aed12f | 15 | #include "internal/sizes.h" |
f2182a4e | 16 | |
651d4418 RL |
17 | /*- |
18 | * The namenum entry | |
19 | * ================= | |
20 | */ | |
f2182a4e | 21 | typedef struct { |
651d4418 | 22 | char *name; |
f2182a4e | 23 | int number; |
651d4418 | 24 | } NAMENUM_ENTRY; |
f2182a4e | 25 | |
651d4418 | 26 | DEFINE_LHASH_OF(NAMENUM_ENTRY); |
f2182a4e | 27 | |
651d4418 RL |
28 | /*- |
29 | * The namemap itself | |
30 | * ================== | |
31 | */ | |
f2182a4e RL |
32 | |
33 | struct ossl_namemap_st { | |
34 | /* Flags */ | |
35 | unsigned int stored:1; /* If 1, it's stored in a library context */ | |
36 | ||
37 | CRYPTO_RWLOCK *lock; | |
651d4418 | 38 | LHASH_OF(NAMENUM_ENTRY) *namenum; /* Name->number mapping */ |
c720fc35 P |
39 | |
40 | #ifdef tsan_ld_acq | |
41 | TSAN_QUALIFIER int max_number; /* Current max number TSAN version */ | |
42 | #else | |
43 | int max_number; /* Current max number plain version */ | |
44 | #endif | |
f2182a4e RL |
45 | }; |
46 | ||
47 | /* LHASH callbacks */ | |
48 | ||
651d4418 | 49 | static unsigned long namenum_hash(const NAMENUM_ENTRY *n) |
f2182a4e | 50 | { |
285aa80e | 51 | return ossl_lh_strcasehash(n->name); |
f2182a4e RL |
52 | } |
53 | ||
651d4418 | 54 | static int namenum_cmp(const NAMENUM_ENTRY *a, const NAMENUM_ENTRY *b) |
f2182a4e | 55 | { |
a9550b74 | 56 | return strcasecmp(a->name, b->name); |
f2182a4e RL |
57 | } |
58 | ||
651d4418 | 59 | static void namenum_free(NAMENUM_ENTRY *n) |
f2182a4e | 60 | { |
651d4418 RL |
61 | if (n != NULL) |
62 | OPENSSL_free(n->name); | |
f2182a4e RL |
63 | OPENSSL_free(n); |
64 | } | |
65 | ||
b4250010 | 66 | /* OSSL_LIB_CTX_METHOD functions for a namemap stored in a library context */ |
f2182a4e | 67 | |
b4250010 | 68 | static void *stored_namemap_new(OSSL_LIB_CTX *libctx) |
f2182a4e RL |
69 | { |
70 | OSSL_NAMEMAP *namemap = ossl_namemap_new(); | |
71 | ||
72 | if (namemap != NULL) | |
73 | namemap->stored = 1; | |
74 | ||
75 | return namemap; | |
76 | } | |
77 | ||
78 | static void stored_namemap_free(void *vnamemap) | |
79 | { | |
80 | OSSL_NAMEMAP *namemap = vnamemap; | |
81 | ||
bd65afdb P |
82 | if (namemap != NULL) { |
83 | /* Pretend it isn't stored, or ossl_namemap_free() will do nothing */ | |
84 | namemap->stored = 0; | |
85 | ossl_namemap_free(namemap); | |
86 | } | |
f2182a4e RL |
87 | } |
88 | ||
b4250010 | 89 | static const OSSL_LIB_CTX_METHOD stored_namemap_method = { |
a16d2174 | 90 | OSSL_LIB_CTX_METHOD_DEFAULT_PRIORITY, |
f2182a4e RL |
91 | stored_namemap_new, |
92 | stored_namemap_free, | |
93 | }; | |
94 | ||
651d4418 RL |
95 | /*- |
96 | * API functions | |
97 | * ============= | |
98 | */ | |
f2182a4e | 99 | |
6a835fcf RL |
100 | int ossl_namemap_empty(OSSL_NAMEMAP *namemap) |
101 | { | |
c720fc35 P |
102 | #ifdef tsan_ld_acq |
103 | /* Have TSAN support */ | |
104 | return namemap == NULL || tsan_load(&namemap->max_number) == 0; | |
105 | #else | |
106 | /* No TSAN support */ | |
107 | int rv; | |
108 | ||
109 | if (namemap == NULL) | |
110 | return 1; | |
6a835fcf | 111 | |
cd3f8c1b RS |
112 | if (!CRYPTO_THREAD_read_lock(namemap->lock)) |
113 | return -1; | |
c720fc35 | 114 | rv = namemap->max_number == 0; |
6a835fcf | 115 | CRYPTO_THREAD_unlock(namemap->lock); |
6a835fcf | 116 | return rv; |
c720fc35 | 117 | #endif |
6a835fcf RL |
118 | } |
119 | ||
651d4418 RL |
120 | typedef struct doall_names_data_st { |
121 | int number; | |
d84f5515 MC |
122 | const char **names; |
123 | int found; | |
651d4418 | 124 | } DOALL_NAMES_DATA; |
f2182a4e | 125 | |
651d4418 | 126 | static void do_name(const NAMENUM_ENTRY *namenum, DOALL_NAMES_DATA *data) |
f2182a4e | 127 | { |
651d4418 | 128 | if (namenum->number == data->number) |
d84f5515 | 129 | data->names[data->found++] = namenum->name; |
651d4418 | 130 | } |
f2182a4e | 131 | |
651d4418 | 132 | IMPLEMENT_LHASH_DOALL_ARG_CONST(NAMENUM_ENTRY, DOALL_NAMES_DATA); |
f2182a4e | 133 | |
d84f5515 MC |
134 | /* |
135 | * Call the callback for all names in the namemap with the given number. | |
136 | * A return value 1 means that the callback was called for all names. A | |
137 | * return value of 0 means that the callback was not called for any names. | |
138 | */ | |
139 | int ossl_namemap_doall_names(const OSSL_NAMEMAP *namemap, int number, | |
140 | void (*fn)(const char *name, void *data), | |
141 | void *data) | |
651d4418 RL |
142 | { |
143 | DOALL_NAMES_DATA cbdata; | |
d84f5515 MC |
144 | size_t num_names; |
145 | int i; | |
f2182a4e | 146 | |
651d4418 | 147 | cbdata.number = number; |
d84f5515 MC |
148 | cbdata.found = 0; |
149 | ||
150 | /* | |
151 | * We collect all the names first under a read lock. Subsequently we call | |
152 | * the user function, so that we're not holding the read lock when in user | |
153 | * code. This could lead to deadlocks. | |
154 | */ | |
cd3f8c1b RS |
155 | if (!CRYPTO_THREAD_read_lock(namemap->lock)) |
156 | return 0; | |
d84f5515 | 157 | |
cd3f8c1b | 158 | num_names = lh_NAMENUM_ENTRY_num_items(namemap->namenum); |
d84f5515 MC |
159 | if (num_names == 0) { |
160 | CRYPTO_THREAD_unlock(namemap->lock); | |
161 | return 0; | |
162 | } | |
163 | cbdata.names = OPENSSL_malloc(sizeof(*cbdata.names) * num_names); | |
164 | if (cbdata.names == NULL) { | |
165 | CRYPTO_THREAD_unlock(namemap->lock); | |
166 | return 0; | |
167 | } | |
651d4418 RL |
168 | lh_NAMENUM_ENTRY_doall_DOALL_NAMES_DATA(namemap->namenum, do_name, |
169 | &cbdata); | |
f2182a4e | 170 | CRYPTO_THREAD_unlock(namemap->lock); |
d84f5515 MC |
171 | |
172 | for (i = 0; i < cbdata.found; i++) | |
173 | fn(cbdata.names[i], data); | |
174 | ||
175 | OPENSSL_free(cbdata.names); | |
176 | return 1; | |
f2182a4e RL |
177 | } |
178 | ||
79410c5f P |
179 | static int namemap_name2num_n(const OSSL_NAMEMAP *namemap, |
180 | const char *name, size_t name_len) | |
181 | { | |
182 | NAMENUM_ENTRY *namenum_entry, namenum_tmpl; | |
183 | ||
184 | if ((namenum_tmpl.name = OPENSSL_strndup(name, name_len)) == NULL) | |
185 | return 0; | |
186 | namenum_tmpl.number = 0; | |
187 | namenum_entry = | |
188 | lh_NAMENUM_ENTRY_retrieve(namemap->namenum, &namenum_tmpl); | |
189 | OPENSSL_free(namenum_tmpl.name); | |
190 | return namenum_entry != NULL ? namenum_entry->number : 0; | |
191 | } | |
192 | ||
695d195b RL |
193 | int ossl_namemap_name2num_n(const OSSL_NAMEMAP *namemap, |
194 | const char *name, size_t name_len) | |
f2182a4e | 195 | { |
79410c5f | 196 | int number; |
f2182a4e | 197 | |
f844f9eb | 198 | #ifndef FIPS_MODULE |
f2182a4e RL |
199 | if (namemap == NULL) |
200 | namemap = ossl_namemap_stored(NULL); | |
201 | #endif | |
202 | ||
203 | if (namemap == NULL) | |
204 | return 0; | |
205 | ||
cd3f8c1b RS |
206 | if (!CRYPTO_THREAD_read_lock(namemap->lock)) |
207 | return 0; | |
79410c5f | 208 | number = namemap_name2num_n(namemap, name, name_len); |
f2182a4e RL |
209 | CRYPTO_THREAD_unlock(namemap->lock); |
210 | ||
651d4418 | 211 | return number; |
f2182a4e RL |
212 | } |
213 | ||
695d195b RL |
214 | int ossl_namemap_name2num(const OSSL_NAMEMAP *namemap, const char *name) |
215 | { | |
216 | if (name == NULL) | |
217 | return 0; | |
218 | ||
219 | return ossl_namemap_name2num_n(namemap, name, strlen(name)); | |
220 | } | |
221 | ||
f7c16d48 RL |
222 | struct num2name_data_st { |
223 | size_t idx; /* Countdown */ | |
224 | const char *name; /* Result */ | |
225 | }; | |
226 | ||
227 | static void do_num2name(const char *name, void *vdata) | |
228 | { | |
229 | struct num2name_data_st *data = vdata; | |
230 | ||
231 | if (data->idx > 0) | |
232 | data->idx--; | |
233 | else if (data->name == NULL) | |
234 | data->name = name; | |
235 | } | |
236 | ||
237 | const char *ossl_namemap_num2name(const OSSL_NAMEMAP *namemap, int number, | |
238 | size_t idx) | |
239 | { | |
240 | struct num2name_data_st data; | |
241 | ||
242 | data.idx = idx; | |
243 | data.name = NULL; | |
d84f5515 MC |
244 | if (!ossl_namemap_doall_names(namemap, number, do_num2name, &data)) |
245 | return NULL; | |
f7c16d48 RL |
246 | return data.name; |
247 | } | |
248 | ||
79410c5f P |
249 | static int namemap_add_name_n(OSSL_NAMEMAP *namemap, int number, |
250 | const char *name, size_t name_len) | |
f2182a4e | 251 | { |
651d4418 RL |
252 | NAMENUM_ENTRY *namenum = NULL; |
253 | int tmp_number; | |
f2182a4e | 254 | |
79410c5f P |
255 | /* If it already exists, we don't add it */ |
256 | if ((tmp_number = namemap_name2num_n(namemap, name, name_len)) != 0) | |
257 | return tmp_number; | |
f2182a4e | 258 | |
651d4418 | 259 | if ((namenum = OPENSSL_zalloc(sizeof(*namenum))) == NULL |
695d195b | 260 | || (namenum->name = OPENSSL_strndup(name, name_len)) == NULL) |
f2182a4e RL |
261 | goto err; |
262 | ||
79410c5f | 263 | namenum->number = |
c720fc35 | 264 | number != 0 ? number : 1 + tsan_counter(&namemap->max_number); |
651d4418 RL |
265 | (void)lh_NAMENUM_ENTRY_insert(namemap->namenum, namenum); |
266 | ||
267 | if (lh_NAMENUM_ENTRY_error(namemap->namenum)) | |
f2182a4e | 268 | goto err; |
79410c5f | 269 | return namenum->number; |
f2182a4e RL |
270 | |
271 | err: | |
651d4418 | 272 | namenum_free(namenum); |
79410c5f P |
273 | return 0; |
274 | } | |
651d4418 | 275 | |
79410c5f P |
276 | int ossl_namemap_add_name_n(OSSL_NAMEMAP *namemap, int number, |
277 | const char *name, size_t name_len) | |
278 | { | |
279 | int tmp_number; | |
280 | ||
281 | #ifndef FIPS_MODULE | |
282 | if (namemap == NULL) | |
283 | namemap = ossl_namemap_stored(NULL); | |
284 | #endif | |
285 | ||
286 | if (name == NULL || name_len == 0 || namemap == NULL) | |
287 | return 0; | |
288 | ||
cd3f8c1b RS |
289 | if (!CRYPTO_THREAD_write_lock(namemap->lock)) |
290 | return 0; | |
79410c5f | 291 | tmp_number = namemap_add_name_n(namemap, number, name, name_len); |
651d4418 | 292 | CRYPTO_THREAD_unlock(namemap->lock); |
79410c5f | 293 | return tmp_number; |
f2182a4e | 294 | } |
695d195b | 295 | |
3d83c735 | 296 | int ossl_namemap_add_name(OSSL_NAMEMAP *namemap, int number, const char *name) |
695d195b RL |
297 | { |
298 | if (name == NULL) | |
299 | return 0; | |
300 | ||
3d83c735 RL |
301 | return ossl_namemap_add_name_n(namemap, number, name, strlen(name)); |
302 | } | |
303 | ||
304 | int ossl_namemap_add_names(OSSL_NAMEMAP *namemap, int number, | |
305 | const char *names, const char separator) | |
306 | { | |
307 | const char *p, *q; | |
308 | size_t l; | |
309 | ||
310 | /* Check that we have a namemap */ | |
311 | if (!ossl_assert(namemap != NULL)) { | |
312 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER); | |
313 | return 0; | |
314 | } | |
315 | ||
cd3f8c1b RS |
316 | if (!CRYPTO_THREAD_write_lock(namemap->lock)) |
317 | return 0; | |
3d83c735 RL |
318 | /* |
319 | * Check that no name is an empty string, and that all names have at | |
320 | * most one numeric identity together. | |
321 | */ | |
322 | for (p = names; *p != '\0'; p = (q == NULL ? p + l : q + 1)) { | |
323 | int this_number; | |
324 | ||
325 | if ((q = strchr(p, separator)) == NULL) | |
326 | l = strlen(p); /* offset to \0 */ | |
327 | else | |
328 | l = q - p; /* offset to the next separator */ | |
329 | ||
79410c5f | 330 | this_number = namemap_name2num_n(namemap, p, l); |
3d83c735 RL |
331 | |
332 | if (*p == '\0' || *p == separator) { | |
333 | ERR_raise(ERR_LIB_CRYPTO, CRYPTO_R_BAD_ALGORITHM_NAME); | |
79410c5f | 334 | goto err; |
3d83c735 RL |
335 | } |
336 | if (number == 0) { | |
337 | number = this_number; | |
338 | } else if (this_number != 0 && this_number != number) { | |
339 | ERR_raise_data(ERR_LIB_CRYPTO, CRYPTO_R_CONFLICTING_NAMES, | |
340 | "\"%.*s\" has an existing different identity %d (from \"%s\")", | |
341 | l, p, this_number, names); | |
79410c5f | 342 | goto err; |
3d83c735 RL |
343 | } |
344 | } | |
345 | ||
346 | /* Now that we have checked, register all names */ | |
347 | for (p = names; *p != '\0'; p = (q == NULL ? p + l : q + 1)) { | |
348 | int this_number; | |
349 | ||
350 | if ((q = strchr(p, separator)) == NULL) | |
351 | l = strlen(p); /* offset to \0 */ | |
352 | else | |
353 | l = q - p; /* offset to the next separator */ | |
354 | ||
79410c5f | 355 | this_number = namemap_add_name_n(namemap, number, p, l); |
3d83c735 RL |
356 | if (number == 0) { |
357 | number = this_number; | |
358 | } else if (this_number != number) { | |
e4a1d023 | 359 | ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_INTERNAL_ERROR, |
3d83c735 RL |
360 | "Got number %d when expecting %d", |
361 | this_number, number); | |
79410c5f | 362 | goto err; |
3d83c735 RL |
363 | } |
364 | } | |
365 | ||
79410c5f | 366 | CRYPTO_THREAD_unlock(namemap->lock); |
3d83c735 | 367 | return number; |
79410c5f P |
368 | |
369 | err: | |
370 | CRYPTO_THREAD_unlock(namemap->lock); | |
371 | return 0; | |
695d195b | 372 | } |
437ad983 RL |
373 | |
374 | /*- | |
375 | * Pre-population | |
376 | * ============== | |
377 | */ | |
378 | ||
f844f9eb | 379 | #ifndef FIPS_MODULE |
437ad983 RL |
380 | #include <openssl/evp.h> |
381 | ||
382 | /* Creates an initial namemap with names found in the legacy method db */ | |
c230e938 RL |
383 | static void get_legacy_evp_names(int base_nid, int nid, const char *pem_name, |
384 | void *arg) | |
437ad983 | 385 | { |
c230e938 RL |
386 | int num = 0; |
387 | ASN1_OBJECT *obj; | |
437ad983 | 388 | |
c230e938 RL |
389 | if (base_nid != NID_undef) { |
390 | num = ossl_namemap_add_name(arg, num, OBJ_nid2sn(base_nid)); | |
391 | num = ossl_namemap_add_name(arg, num, OBJ_nid2ln(base_nid)); | |
437ad983 | 392 | } |
05aed12f | 393 | |
c230e938 RL |
394 | if (nid != NID_undef) { |
395 | num = ossl_namemap_add_name(arg, num, OBJ_nid2sn(nid)); | |
396 | num = ossl_namemap_add_name(arg, num, OBJ_nid2ln(nid)); | |
397 | if ((obj = OBJ_nid2obj(nid)) != NULL) { | |
398 | char txtoid[OSSL_MAX_NAME_SIZE]; | |
05aed12f | 399 | |
c230e938 RL |
400 | if (OBJ_obj2txt(txtoid, sizeof(txtoid), obj, 1)) |
401 | num = ossl_namemap_add_name(arg, num, txtoid); | |
402 | } | |
05aed12f | 403 | } |
c230e938 RL |
404 | if (pem_name != NULL) |
405 | num = ossl_namemap_add_name(arg, num, pem_name); | |
437ad983 RL |
406 | } |
407 | ||
408 | static void get_legacy_cipher_names(const OBJ_NAME *on, void *arg) | |
409 | { | |
410 | const EVP_CIPHER *cipher = (void *)OBJ_NAME_get(on->name, on->type); | |
411 | ||
ed576acd | 412 | get_legacy_evp_names(NID_undef, EVP_CIPHER_get_type(cipher), NULL, arg); |
437ad983 RL |
413 | } |
414 | ||
415 | static void get_legacy_md_names(const OBJ_NAME *on, void *arg) | |
416 | { | |
417 | const EVP_MD *md = (void *)OBJ_NAME_get(on->name, on->type); | |
01ba6c8e | 418 | |
ed576acd | 419 | get_legacy_evp_names(0, EVP_MD_get_type(md), NULL, arg); |
05aed12f RL |
420 | } |
421 | ||
422 | static void get_legacy_pkey_meth_names(const EVP_PKEY_ASN1_METHOD *ameth, | |
423 | void *arg) | |
424 | { | |
425 | int nid = 0, base_nid = 0, flags = 0; | |
c230e938 | 426 | const char *pem_name = NULL; |
05aed12f | 427 | |
c230e938 | 428 | EVP_PKEY_asn1_get0_info(&nid, &base_nid, &flags, NULL, &pem_name, ameth); |
05aed12f RL |
429 | if (nid != NID_undef) { |
430 | if ((flags & ASN1_PKEY_ALIAS) == 0) { | |
c230e938 RL |
431 | switch (nid) { |
432 | case EVP_PKEY_DHX: | |
433 | /* We know that the name "DHX" is used too */ | |
434 | get_legacy_evp_names(0, nid, "DHX", arg); | |
435 | /* FALLTHRU */ | |
436 | default: | |
437 | get_legacy_evp_names(0, nid, pem_name, arg); | |
438 | } | |
05aed12f RL |
439 | } else { |
440 | /* | |
441 | * Treat aliases carefully, some of them are undesirable, or | |
442 | * should not be treated as such for providers. | |
443 | */ | |
444 | ||
445 | switch (nid) { | |
446 | case EVP_PKEY_SM2: | |
05aed12f RL |
447 | /* |
448 | * SM2 is a separate keytype with providers, not an alias for | |
449 | * EC. | |
05aed12f | 450 | */ |
c230e938 | 451 | get_legacy_evp_names(0, nid, pem_name, arg); |
05aed12f RL |
452 | break; |
453 | default: | |
454 | /* Use the short name of the base nid as the common reference */ | |
c230e938 | 455 | get_legacy_evp_names(base_nid, nid, pem_name, arg); |
05aed12f RL |
456 | } |
457 | } | |
458 | } | |
437ad983 RL |
459 | } |
460 | #endif | |
461 | ||
462 | /*- | |
463 | * Constructors / destructors | |
464 | * ========================== | |
465 | */ | |
466 | ||
b4250010 | 467 | OSSL_NAMEMAP *ossl_namemap_stored(OSSL_LIB_CTX *libctx) |
437ad983 | 468 | { |
cd3f8c1b RS |
469 | #ifndef FIPS_MODULE |
470 | int nms; | |
471 | #endif | |
437ad983 | 472 | OSSL_NAMEMAP *namemap = |
b4250010 DMSP |
473 | ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_NAMEMAP_INDEX, |
474 | &stored_namemap_method); | |
437ad983 | 475 | |
cd3f8c1b RS |
476 | if (namemap == NULL) |
477 | return NULL; | |
478 | ||
f844f9eb | 479 | #ifndef FIPS_MODULE |
cd3f8c1b RS |
480 | nms = ossl_namemap_empty(namemap); |
481 | if (nms < 0) { | |
482 | /* | |
483 | * Could not get lock to make the count, so maybe internal objects | |
484 | * weren't added. This seems safest. | |
485 | */ | |
486 | return NULL; | |
487 | } | |
488 | if (nms == 1) { | |
05aed12f RL |
489 | int i, end; |
490 | ||
437ad983 RL |
491 | /* Before pilfering, we make sure the legacy database is populated */ |
492 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS | |
493 | | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL); | |
494 | ||
495 | OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, | |
496 | get_legacy_cipher_names, namemap); | |
497 | OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, | |
498 | get_legacy_md_names, namemap); | |
05aed12f RL |
499 | |
500 | /* We also pilfer data from the legacy EVP_PKEY_ASN1_METHODs */ | |
501 | for (i = 0, end = EVP_PKEY_asn1_get_count(); i < end; i++) | |
502 | get_legacy_pkey_meth_names(EVP_PKEY_asn1_get0(i), namemap); | |
437ad983 RL |
503 | } |
504 | #endif | |
505 | ||
506 | return namemap; | |
507 | } | |
508 | ||
509 | OSSL_NAMEMAP *ossl_namemap_new(void) | |
510 | { | |
511 | OSSL_NAMEMAP *namemap; | |
512 | ||
513 | if ((namemap = OPENSSL_zalloc(sizeof(*namemap))) != NULL | |
514 | && (namemap->lock = CRYPTO_THREAD_lock_new()) != NULL | |
515 | && (namemap->namenum = | |
516 | lh_NAMENUM_ENTRY_new(namenum_hash, namenum_cmp)) != NULL) | |
517 | return namemap; | |
518 | ||
519 | ossl_namemap_free(namemap); | |
520 | return NULL; | |
521 | } | |
522 | ||
523 | void ossl_namemap_free(OSSL_NAMEMAP *namemap) | |
524 | { | |
525 | if (namemap == NULL || namemap->stored) | |
526 | return; | |
527 | ||
528 | lh_NAMENUM_ENTRY_doall(namemap->namenum, namenum_free); | |
529 | lh_NAMENUM_ENTRY_free(namemap->namenum); | |
530 | ||
531 | CRYPTO_THREAD_lock_free(namemap->lock); | |
532 | OPENSSL_free(namemap); | |
533 | } |