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Commit | Line | Data |
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aa6bb135 | 1 | /* |
6738bf14 | 2 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
435037d4 | 3 | * |
0e9725bc | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
aa6bb135 RS |
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 | |
435037d4 | 8 | */ |
58964a49 | 9 | |
25f2138b | 10 | #include "crypto/cryptlib.h" |
c2e4e5d2 | 11 | #include "internal/thread_once.h" |
58964a49 | 12 | |
1aedc35f | 13 | int do_ex_data_init(OPENSSL_CTX *ctx) |
f7520011 | 14 | { |
1aedc35f MC |
15 | OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ctx); |
16 | ||
17 | if (global == NULL) | |
eb2b9892 | 18 | return 0; |
1aedc35f MC |
19 | |
20 | global->ex_data_lock = CRYPTO_THREAD_lock_new(); | |
21 | return global->ex_data_lock != NULL; | |
ff234405 MC |
22 | } |
23 | ||
0f113f3e | 24 | /* |
e6390aca | 25 | * Return the EX_CALLBACKS from the |ex_data| array that corresponds to |
7e5363ab | 26 | * a given class. On success, *holds the lock.* |
86cd42fb | 27 | * The |global| parameter is assumed to be non null (checked by the caller). |
0f113f3e | 28 | */ |
86cd42fb | 29 | static EX_CALLBACKS *get_and_lock(OSSL_EX_DATA_GLOBAL *global, int class_index) |
0f113f3e | 30 | { |
e6390aca | 31 | EX_CALLBACKS *ip; |
7e5363ab RS |
32 | |
33 | if (class_index < 0 || class_index >= CRYPTO_EX_INDEX__COUNT) { | |
de705824 | 34 | CRYPTOerr(CRYPTO_F_GET_AND_LOCK, ERR_R_PASSED_INVALID_ARGUMENT); |
7e5363ab RS |
35 | return NULL; |
36 | } | |
37 | ||
86cd42fb | 38 | if (global->ex_data_lock == NULL) { |
1ee7b8b9 | 39 | /* |
742ccab3 RS |
40 | * If we get here, someone (who?) cleaned up the lock, so just |
41 | * treat it as an error. | |
1ee7b8b9 MC |
42 | */ |
43 | return NULL; | |
44 | } | |
45 | ||
1aedc35f | 46 | CRYPTO_THREAD_write_lock(global->ex_data_lock); |
aee6e29f | 47 | ip = &global->ex_data[class_index]; |
7e5363ab | 48 | return ip; |
0f113f3e MC |
49 | } |
50 | ||
e6390aca | 51 | static void cleanup_cb(EX_CALLBACK *funcs) |
0f113f3e MC |
52 | { |
53 | OPENSSL_free(funcs); | |
54 | } | |
3a079997 | 55 | |
0f113f3e | 56 | /* |
7e5363ab RS |
57 | * Release all "ex_data" state to prevent memory leaks. This can't be made |
58 | * thread-safe without overhauling a lot of stuff, and shouldn't really be | |
59 | * called under potential race-conditions anyway (it's for program shutdown | |
60 | * after all). | |
0f113f3e | 61 | */ |
1aedc35f | 62 | void crypto_cleanup_all_ex_data_int(OPENSSL_CTX *ctx) |
0f113f3e | 63 | { |
7e5363ab | 64 | int i; |
1aedc35f MC |
65 | OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ctx); |
66 | ||
67 | if (global == NULL) | |
68 | return; | |
0f113f3e | 69 | |
7e5363ab | 70 | for (i = 0; i < CRYPTO_EX_INDEX__COUNT; ++i) { |
1aedc35f | 71 | EX_CALLBACKS *ip = &global->ex_data[i]; |
7e5363ab | 72 | |
e6390aca | 73 | sk_EX_CALLBACK_pop_free(ip->meth, cleanup_cb); |
7e5363ab | 74 | ip->meth = NULL; |
0f113f3e | 75 | } |
1ee7b8b9 | 76 | |
1aedc35f MC |
77 | CRYPTO_THREAD_lock_free(global->ex_data_lock); |
78 | global->ex_data_lock = NULL; | |
0f113f3e MC |
79 | } |
80 | ||
e6390aca RS |
81 | |
82 | /* | |
83 | * Unregister a new index by replacing the callbacks with no-ops. | |
84 | * Any in-use instances are leaked. | |
85 | */ | |
86 | static void dummy_new(void *parent, void *ptr, CRYPTO_EX_DATA *ad, int idx, | |
87 | long argl, void *argp) | |
88 | { | |
89 | } | |
90 | ||
91 | static void dummy_free(void *parent, void *ptr, CRYPTO_EX_DATA *ad, int idx, | |
92 | long argl, void *argp) | |
93 | { | |
94 | } | |
95 | ||
3c853776 | 96 | static int dummy_dup(CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from, |
e6390aca RS |
97 | void *from_d, int idx, |
98 | long argl, void *argp) | |
99 | { | |
b3c31a65 | 100 | return 1; |
e6390aca RS |
101 | } |
102 | ||
1aedc35f | 103 | int crypto_free_ex_index_ex(OPENSSL_CTX *ctx, int class_index, int idx) |
e6390aca | 104 | { |
0c080f73 | 105 | EX_CALLBACKS *ip; |
e6390aca RS |
106 | EX_CALLBACK *a; |
107 | int toret = 0; | |
1aedc35f MC |
108 | OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ctx); |
109 | ||
110 | if (global == NULL) | |
97ee8af4 | 111 | return 0; |
e6390aca | 112 | |
86cd42fb | 113 | ip = get_and_lock(global, class_index); |
e6390aca RS |
114 | if (ip == NULL) |
115 | return 0; | |
86cd42fb | 116 | |
e6390aca RS |
117 | if (idx < 0 || idx >= sk_EX_CALLBACK_num(ip->meth)) |
118 | goto err; | |
119 | a = sk_EX_CALLBACK_value(ip->meth, idx); | |
120 | if (a == NULL) | |
121 | goto err; | |
122 | a->new_func = dummy_new; | |
123 | a->dup_func = dummy_dup; | |
124 | a->free_func = dummy_free; | |
125 | toret = 1; | |
126 | err: | |
1aedc35f | 127 | CRYPTO_THREAD_unlock(global->ex_data_lock); |
e6390aca RS |
128 | return toret; |
129 | } | |
130 | ||
1aedc35f MC |
131 | int CRYPTO_free_ex_index(int class_index, int idx) |
132 | { | |
133 | return crypto_free_ex_index_ex(NULL, class_index, idx); | |
134 | } | |
135 | ||
0f113f3e | 136 | /* |
e6390aca | 137 | * Register a new index. |
0f113f3e | 138 | */ |
1aedc35f MC |
139 | int crypto_get_ex_new_index_ex(OPENSSL_CTX *ctx, int class_index, long argl, |
140 | void *argp, CRYPTO_EX_new *new_func, | |
141 | CRYPTO_EX_dup *dup_func, | |
142 | CRYPTO_EX_free *free_func) | |
0f113f3e MC |
143 | { |
144 | int toret = -1; | |
e6390aca | 145 | EX_CALLBACK *a; |
1aedc35f MC |
146 | EX_CALLBACKS *ip; |
147 | OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ctx); | |
7e5363ab | 148 | |
1aedc35f | 149 | if (global == NULL) |
1f760760 | 150 | return -1; |
1aedc35f | 151 | |
86cd42fb | 152 | ip = get_and_lock(global, class_index); |
e6390aca | 153 | if (ip == NULL) |
0f113f3e | 154 | return -1; |
8cab4e9b EK |
155 | |
156 | if (ip->meth == NULL) { | |
157 | ip->meth = sk_EX_CALLBACK_new_null(); | |
158 | /* We push an initial value on the stack because the SSL | |
159 | * "app_data" routines use ex_data index zero. See RT 3710. */ | |
160 | if (ip->meth == NULL | |
161 | || !sk_EX_CALLBACK_push(ip->meth, NULL)) { | |
1aedc35f | 162 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX_EX, ERR_R_MALLOC_FAILURE); |
8cab4e9b EK |
163 | goto err; |
164 | } | |
165 | } | |
166 | ||
e6390aca | 167 | a = (EX_CALLBACK *)OPENSSL_malloc(sizeof(*a)); |
90945fa3 | 168 | if (a == NULL) { |
1aedc35f | 169 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX_EX, ERR_R_MALLOC_FAILURE); |
7e5363ab | 170 | goto err; |
0f113f3e MC |
171 | } |
172 | a->argl = argl; | |
173 | a->argp = argp; | |
174 | a->new_func = new_func; | |
175 | a->dup_func = dup_func; | |
176 | a->free_func = free_func; | |
3a079997 | 177 | |
e6390aca | 178 | if (!sk_EX_CALLBACK_push(ip->meth, NULL)) { |
1aedc35f | 179 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX_EX, ERR_R_MALLOC_FAILURE); |
7e5363ab RS |
180 | OPENSSL_free(a); |
181 | goto err; | |
182 | } | |
e6390aca RS |
183 | toret = sk_EX_CALLBACK_num(ip->meth) - 1; |
184 | (void)sk_EX_CALLBACK_set(ip->meth, toret, a); | |
3a079997 | 185 | |
7e5363ab | 186 | err: |
1aedc35f | 187 | CRYPTO_THREAD_unlock(global->ex_data_lock); |
0f113f3e MC |
188 | return toret; |
189 | } | |
3a079997 | 190 | |
1aedc35f MC |
191 | int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp, |
192 | CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func, | |
193 | CRYPTO_EX_free *free_func) | |
194 | { | |
195 | return crypto_get_ex_new_index_ex(NULL, class_index, argl, argp, new_func, | |
196 | dup_func, free_func); | |
197 | } | |
198 | ||
0f113f3e | 199 | /* |
7e5363ab RS |
200 | * Initialise a new CRYPTO_EX_DATA for use in a particular class - including |
201 | * calling new() callbacks for each index in the class used by this variable | |
e6390aca | 202 | * Thread-safe by copying a class's array of "EX_CALLBACK" entries |
7e5363ab RS |
203 | * in the lock, then using them outside the lock. Note this only applies |
204 | * to the global "ex_data" state (ie. class definitions), not 'ad' itself. | |
0f113f3e | 205 | */ |
1aedc35f MC |
206 | int crypto_new_ex_data_ex(OPENSSL_CTX *ctx, int class_index, void *obj, |
207 | CRYPTO_EX_DATA *ad) | |
0f113f3e MC |
208 | { |
209 | int mx, i; | |
210 | void *ptr; | |
e6390aca RS |
211 | EX_CALLBACK **storage = NULL; |
212 | EX_CALLBACK *stack[10]; | |
1aedc35f MC |
213 | EX_CALLBACKS *ip; |
214 | OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ctx); | |
215 | ||
216 | if (global == NULL) | |
217 | return 0; | |
7e5363ab | 218 | |
86cd42fb | 219 | ip = get_and_lock(global, class_index); |
e6390aca | 220 | if (ip == NULL) |
0f113f3e | 221 | return 0; |
7e5363ab | 222 | |
1aedc35f | 223 | ad->ctx = ctx; |
0f113f3e | 224 | ad->sk = NULL; |
e6390aca | 225 | mx = sk_EX_CALLBACK_num(ip->meth); |
0f113f3e | 226 | if (mx > 0) { |
7e5363ab RS |
227 | if (mx < (int)OSSL_NELEM(stack)) |
228 | storage = stack; | |
229 | else | |
230 | storage = OPENSSL_malloc(sizeof(*storage) * mx); | |
90945fa3 | 231 | if (storage != NULL) |
7e5363ab | 232 | for (i = 0; i < mx; i++) |
e6390aca | 233 | storage[i] = sk_EX_CALLBACK_value(ip->meth, i); |
0f113f3e | 234 | } |
1aedc35f | 235 | CRYPTO_THREAD_unlock(global->ex_data_lock); |
7e5363ab RS |
236 | |
237 | if (mx > 0 && storage == NULL) { | |
1aedc35f | 238 | CRYPTOerr(CRYPTO_F_CRYPTO_NEW_EX_DATA_EX, ERR_R_MALLOC_FAILURE); |
0f113f3e MC |
239 | return 0; |
240 | } | |
241 | for (i = 0; i < mx; i++) { | |
23dc8feb | 242 | if (storage[i] != NULL && storage[i]->new_func != NULL) { |
0f113f3e MC |
243 | ptr = CRYPTO_get_ex_data(ad, i); |
244 | storage[i]->new_func(obj, ptr, ad, i, | |
245 | storage[i]->argl, storage[i]->argp); | |
246 | } | |
247 | } | |
7e5363ab RS |
248 | if (storage != stack) |
249 | OPENSSL_free(storage); | |
0f113f3e MC |
250 | return 1; |
251 | } | |
3a079997 | 252 | |
1aedc35f MC |
253 | int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad) |
254 | { | |
255 | return crypto_new_ex_data_ex(NULL, class_index, obj, ad); | |
256 | } | |
257 | ||
7e5363ab RS |
258 | /* |
259 | * Duplicate a CRYPTO_EX_DATA variable - including calling dup() callbacks | |
260 | * for each index in the class used by this variable | |
261 | */ | |
262 | int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to, | |
3c853776 | 263 | const CRYPTO_EX_DATA *from) |
0f113f3e MC |
264 | { |
265 | int mx, j, i; | |
b3c31a65 | 266 | void *ptr; |
e6390aca RS |
267 | EX_CALLBACK *stack[10]; |
268 | EX_CALLBACK **storage = NULL; | |
269 | EX_CALLBACKS *ip; | |
b3c31a65 | 270 | int toret = 0; |
86cd42fb | 271 | OSSL_EX_DATA_GLOBAL *global; |
7e5363ab | 272 | |
1aedc35f | 273 | to->ctx = from->ctx; |
7e5363ab RS |
274 | if (from->sk == NULL) |
275 | /* Nothing to copy over */ | |
0f113f3e | 276 | return 1; |
86cd42fb DG |
277 | |
278 | global = openssl_ctx_get_ex_data_global(from->ctx); | |
279 | if (global == NULL) | |
280 | return 0; | |
281 | ||
282 | ip = get_and_lock(global, class_index); | |
283 | if (ip == NULL) | |
0f113f3e | 284 | return 0; |
7e5363ab | 285 | |
e6390aca | 286 | mx = sk_EX_CALLBACK_num(ip->meth); |
0f113f3e MC |
287 | j = sk_void_num(from->sk); |
288 | if (j < mx) | |
289 | mx = j; | |
290 | if (mx > 0) { | |
7e5363ab RS |
291 | if (mx < (int)OSSL_NELEM(stack)) |
292 | storage = stack; | |
293 | else | |
294 | storage = OPENSSL_malloc(sizeof(*storage) * mx); | |
90945fa3 | 295 | if (storage != NULL) |
7e5363ab | 296 | for (i = 0; i < mx; i++) |
e6390aca | 297 | storage[i] = sk_EX_CALLBACK_value(ip->meth, i); |
0f113f3e | 298 | } |
1aedc35f | 299 | CRYPTO_THREAD_unlock(global->ex_data_lock); |
7e5363ab | 300 | |
b3c31a65 BE |
301 | if (mx == 0) |
302 | return 1; | |
303 | if (storage == NULL) { | |
7e5363ab | 304 | CRYPTOerr(CRYPTO_F_CRYPTO_DUP_EX_DATA, ERR_R_MALLOC_FAILURE); |
0f113f3e MC |
305 | return 0; |
306 | } | |
1ee21259 TS |
307 | /* |
308 | * Make sure the ex_data stack is at least |mx| elements long to avoid | |
309 | * issues in the for loop that follows; so go get the |mx|'th element | |
310 | * (if it does not exist CRYPTO_get_ex_data() returns NULL), and assign | |
311 | * to itself. This is normally a no-op; but ensures the stack is the | |
312 | * proper size | |
313 | */ | |
314 | if (!CRYPTO_set_ex_data(to, mx - 1, CRYPTO_get_ex_data(to, mx - 1))) | |
b3c31a65 | 315 | goto err; |
7e5363ab | 316 | |
0f113f3e MC |
317 | for (i = 0; i < mx; i++) { |
318 | ptr = CRYPTO_get_ex_data(from, i); | |
23dc8feb | 319 | if (storage[i] != NULL && storage[i]->dup_func != NULL) |
b3c31a65 BE |
320 | if (!storage[i]->dup_func(to, from, &ptr, i, |
321 | storage[i]->argl, storage[i]->argp)) | |
322 | goto err; | |
0f113f3e MC |
323 | CRYPTO_set_ex_data(to, i, ptr); |
324 | } | |
b3c31a65 BE |
325 | toret = 1; |
326 | err: | |
7e5363ab RS |
327 | if (storage != stack) |
328 | OPENSSL_free(storage); | |
b3c31a65 | 329 | return toret; |
0f113f3e | 330 | } |
3a079997 | 331 | |
7e5363ab RS |
332 | |
333 | /* | |
334 | * Cleanup a CRYPTO_EX_DATA variable - including calling free() callbacks for | |
335 | * each index in the class used by this variable | |
336 | */ | |
337 | void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad) | |
0f113f3e MC |
338 | { |
339 | int mx, i; | |
e6390aca | 340 | EX_CALLBACKS *ip; |
0f113f3e | 341 | void *ptr; |
83b4049a | 342 | EX_CALLBACK *f; |
e6390aca RS |
343 | EX_CALLBACK *stack[10]; |
344 | EX_CALLBACK **storage = NULL; | |
86cd42fb | 345 | OSSL_EX_DATA_GLOBAL *global = openssl_ctx_get_ex_data_global(ad->ctx); |
7e5363ab | 346 | |
1aedc35f | 347 | if (global == NULL) |
83b4049a | 348 | goto err; |
7e5363ab | 349 | |
86cd42fb DG |
350 | ip = get_and_lock(global, class_index); |
351 | if (ip == NULL) | |
352 | goto err; | |
353 | ||
e6390aca | 354 | mx = sk_EX_CALLBACK_num(ip->meth); |
0f113f3e | 355 | if (mx > 0) { |
7e5363ab RS |
356 | if (mx < (int)OSSL_NELEM(stack)) |
357 | storage = stack; | |
358 | else | |
359 | storage = OPENSSL_malloc(sizeof(*storage) * mx); | |
90945fa3 | 360 | if (storage != NULL) |
7e5363ab | 361 | for (i = 0; i < mx; i++) |
e6390aca | 362 | storage[i] = sk_EX_CALLBACK_value(ip->meth, i); |
0f113f3e | 363 | } |
1aedc35f | 364 | CRYPTO_THREAD_unlock(global->ex_data_lock); |
7e5363ab | 365 | |
0f113f3e | 366 | for (i = 0; i < mx; i++) { |
83b4049a BE |
367 | if (storage != NULL) |
368 | f = storage[i]; | |
369 | else { | |
1aedc35f | 370 | CRYPTO_THREAD_write_lock(global->ex_data_lock); |
83b4049a | 371 | f = sk_EX_CALLBACK_value(ip->meth, i); |
1aedc35f | 372 | CRYPTO_THREAD_unlock(global->ex_data_lock); |
83b4049a BE |
373 | } |
374 | if (f != NULL && f->free_func != NULL) { | |
0f113f3e | 375 | ptr = CRYPTO_get_ex_data(ad, i); |
83b4049a | 376 | f->free_func(obj, ptr, ad, i, f->argl, f->argp); |
0f113f3e MC |
377 | } |
378 | } | |
7e5363ab RS |
379 | |
380 | if (storage != stack) | |
381 | OPENSSL_free(storage); | |
83b4049a | 382 | err: |
25aaa98a RS |
383 | sk_void_free(ad->sk); |
384 | ad->sk = NULL; | |
1aedc35f | 385 | ad->ctx = NULL; |
0f113f3e | 386 | } |
3a079997 | 387 | |
e17f5b6a RL |
388 | /* |
389 | * Allocate a given CRYPTO_EX_DATA item using the class specific allocation | |
390 | * function | |
391 | */ | |
392 | int CRYPTO_alloc_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad, | |
393 | int idx) | |
394 | { | |
395 | EX_CALLBACK *f; | |
396 | EX_CALLBACKS *ip; | |
397 | void *curval; | |
86cd42fb | 398 | OSSL_EX_DATA_GLOBAL *global; |
e17f5b6a RL |
399 | |
400 | curval = CRYPTO_get_ex_data(ad, idx); | |
e17f5b6a RL |
401 | /* Already there, no need to allocate */ |
402 | if (curval != NULL) | |
403 | return 1; | |
404 | ||
86cd42fb DG |
405 | global = openssl_ctx_get_ex_data_global(ad->ctx); |
406 | if (global == NULL) | |
407 | return 0; | |
408 | ||
409 | ip = get_and_lock(global, class_index); | |
23dc8feb F |
410 | if (ip == NULL) |
411 | return 0; | |
e17f5b6a | 412 | f = sk_EX_CALLBACK_value(ip->meth, idx); |
1aedc35f | 413 | CRYPTO_THREAD_unlock(global->ex_data_lock); |
e17f5b6a RL |
414 | |
415 | /* | |
416 | * This should end up calling CRYPTO_set_ex_data(), which allocates | |
417 | * everything necessary to support placing the new data in the right spot. | |
418 | */ | |
23dc8feb F |
419 | if (f->new_func == NULL) |
420 | return 0; | |
421 | ||
823ee00a | 422 | f->new_func(obj, NULL, ad, idx, f->argl, f->argp); |
e17f5b6a RL |
423 | |
424 | return 1; | |
425 | } | |
426 | ||
0f113f3e MC |
427 | /* |
428 | * For a given CRYPTO_EX_DATA variable, set the value corresponding to a | |
429 | * particular index in the class used by this variable | |
430 | */ | |
dd9d233e | 431 | int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val) |
0f113f3e MC |
432 | { |
433 | int i; | |
434 | ||
435 | if (ad->sk == NULL) { | |
436 | if ((ad->sk = sk_void_new_null()) == NULL) { | |
437 | CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA, ERR_R_MALLOC_FAILURE); | |
7e5363ab | 438 | return 0; |
0f113f3e MC |
439 | } |
440 | } | |
0f113f3e | 441 | |
7e5363ab | 442 | for (i = sk_void_num(ad->sk); i <= idx; ++i) { |
0f113f3e MC |
443 | if (!sk_void_push(ad->sk, NULL)) { |
444 | CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA, ERR_R_MALLOC_FAILURE); | |
7e5363ab | 445 | return 0; |
0f113f3e | 446 | } |
0f113f3e MC |
447 | } |
448 | sk_void_set(ad->sk, idx, val); | |
7e5363ab | 449 | return 1; |
0f113f3e MC |
450 | } |
451 | ||
452 | /* | |
453 | * For a given CRYPTO_EX_DATA_ variable, get the value corresponding to a | |
454 | * particular index in the class used by this variable | |
455 | */ | |
bbbc96a8 | 456 | void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx) |
0f113f3e | 457 | { |
7e5363ab RS |
458 | if (ad->sk == NULL || idx >= sk_void_num(ad->sk)) |
459 | return NULL; | |
460 | return sk_void_value(ad->sk, idx); | |
0f113f3e | 461 | } |
1aedc35f MC |
462 | |
463 | OPENSSL_CTX *crypto_ex_data_get_openssl_ctx(const CRYPTO_EX_DATA *ad) | |
464 | { | |
465 | return ad->ctx; | |
466 | } |