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Commit | Line | Data |
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b1322259 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
d02b48c6 | 3 | * |
b1322259 RS |
4 | * Licensed under the OpenSSL license (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 | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
11 | #include <errno.h> | |
ec577822 | 12 | #include <openssl/crypto.h> |
a146ae55 | 13 | #include "bio_lcl.h" |
b39fc560 | 14 | #include "internal/cryptlib.h" |
58964a49 | 15 | |
04f6b0fd | 16 | BIO *BIO_new(const BIO_METHOD *method) |
0f113f3e | 17 | { |
9d7bfb14 | 18 | BIO *bio = OPENSSL_zalloc(sizeof(*bio)); |
0f113f3e | 19 | |
9d7bfb14 | 20 | if (bio == NULL) { |
0f113f3e MC |
21 | BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE); |
22 | return (NULL); | |
23 | } | |
d02b48c6 | 24 | |
0f113f3e | 25 | bio->method = method; |
0f113f3e | 26 | bio->shutdown = 1; |
0f113f3e | 27 | bio->references = 1; |
9d7bfb14 | 28 | |
25a807bc | 29 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data)) |
9d7bfb14 | 30 | goto err; |
fb46be03 AG |
31 | |
32 | bio->lock = CRYPTO_THREAD_lock_new(); | |
33 | if (bio->lock == NULL) { | |
9d7bfb14 | 34 | BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE); |
fb46be03 | 35 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); |
9d7bfb14 | 36 | goto err; |
fb46be03 AG |
37 | } |
38 | ||
9d7bfb14 F |
39 | if (method->create != NULL && !method->create(bio)) { |
40 | BIOerr(BIO_F_BIO_NEW, ERR_R_INIT_FAIL); | |
41 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); | |
42 | CRYPTO_THREAD_lock_free(bio->lock); | |
43 | goto err; | |
fb46be03 AG |
44 | } |
45 | ||
9d7bfb14 F |
46 | return bio; |
47 | ||
48 | err: | |
49 | OPENSSL_free(bio); | |
50 | return NULL; | |
0f113f3e | 51 | } |
d02b48c6 | 52 | |
6b691a5c | 53 | int BIO_free(BIO *a) |
0f113f3e MC |
54 | { |
55 | int i; | |
d02b48c6 | 56 | |
0f113f3e | 57 | if (a == NULL) |
fb46be03 AG |
58 | return 0; |
59 | ||
60 | if (CRYPTO_atomic_add(&a->references, -1, &i, a->lock) <= 0) | |
61 | return 0; | |
d02b48c6 | 62 | |
f3f1cf84 | 63 | REF_PRINT_COUNT("BIO", a); |
0f113f3e | 64 | if (i > 0) |
fb46be03 | 65 | return 1; |
f3f1cf84 | 66 | REF_ASSERT_ISNT(i < 0); |
0f113f3e MC |
67 | if ((a->callback != NULL) && |
68 | ((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0)) | |
fb46be03 | 69 | return i; |
d02b48c6 | 70 | |
a14a740d F |
71 | if ((a->method != NULL) && (a->method->destroy != NULL)) |
72 | a->method->destroy(a); | |
73 | ||
0f113f3e | 74 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data); |
58964a49 | 75 | |
fb46be03 AG |
76 | CRYPTO_THREAD_lock_free(a->lock); |
77 | ||
0f113f3e | 78 | OPENSSL_free(a); |
fb46be03 AG |
79 | |
80 | return 1; | |
0f113f3e | 81 | } |
d02b48c6 | 82 | |
a146ae55 MC |
83 | void BIO_set_data(BIO *a, void *ptr) |
84 | { | |
85 | a->ptr = ptr; | |
86 | } | |
87 | ||
88 | void *BIO_get_data(BIO *a) | |
89 | { | |
90 | return a->ptr; | |
91 | } | |
92 | ||
93 | void BIO_set_init(BIO *a, int init) | |
94 | { | |
95 | a->init = init; | |
96 | } | |
97 | ||
98 | int BIO_get_init(BIO *a) | |
99 | { | |
100 | return a->init; | |
101 | } | |
102 | ||
103 | void BIO_set_shutdown(BIO *a, int shut) | |
104 | { | |
105 | a->shutdown = shut; | |
106 | } | |
107 | ||
108 | int BIO_get_shutdown(BIO *a) | |
109 | { | |
110 | return a->shutdown; | |
111 | } | |
112 | ||
371acb22 | 113 | void BIO_vfree(BIO *a) |
0f113f3e MC |
114 | { |
115 | BIO_free(a); | |
116 | } | |
371acb22 | 117 | |
fb46be03 AG |
118 | int BIO_up_ref(BIO *a) |
119 | { | |
120 | int i; | |
121 | ||
122 | if (CRYPTO_atomic_add(&a->references, 1, &i, a->lock) <= 0) | |
123 | return 0; | |
124 | ||
125 | REF_PRINT_COUNT("BIO", a); | |
126 | REF_ASSERT_ISNT(i < 2); | |
127 | return ((i > 1) ? 1 : 0); | |
128 | } | |
129 | ||
7806f3dd | 130 | void BIO_clear_flags(BIO *b, int flags) |
0f113f3e MC |
131 | { |
132 | b->flags &= ~flags; | |
133 | } | |
134 | ||
135 | int BIO_test_flags(const BIO *b, int flags) | |
136 | { | |
137 | return (b->flags & flags); | |
138 | } | |
139 | ||
140 | void BIO_set_flags(BIO *b, int flags) | |
141 | { | |
142 | b->flags |= flags; | |
143 | } | |
144 | ||
145 | long (*BIO_get_callback(const BIO *b)) (struct bio_st *, int, const char *, | |
146 | int, long, long) { | |
147 | return b->callback; | |
148 | } | |
149 | ||
150 | void BIO_set_callback(BIO *b, | |
151 | long (*cb) (struct bio_st *, int, const char *, int, | |
152 | long, long)) | |
153 | { | |
154 | b->callback = cb; | |
155 | } | |
7806f3dd NL |
156 | |
157 | void BIO_set_callback_arg(BIO *b, char *arg) | |
0f113f3e MC |
158 | { |
159 | b->cb_arg = arg; | |
160 | } | |
7806f3dd | 161 | |
0f113f3e MC |
162 | char *BIO_get_callback_arg(const BIO *b) |
163 | { | |
164 | return b->cb_arg; | |
165 | } | |
7806f3dd | 166 | |
0f113f3e MC |
167 | const char *BIO_method_name(const BIO *b) |
168 | { | |
169 | return b->method->name; | |
170 | } | |
7806f3dd NL |
171 | |
172 | int BIO_method_type(const BIO *b) | |
0f113f3e MC |
173 | { |
174 | return b->method->type; | |
175 | } | |
7806f3dd | 176 | |
61f5b6f3 | 177 | int BIO_read(BIO *b, void *out, int outl) |
0f113f3e MC |
178 | { |
179 | int i; | |
180 | long (*cb) (BIO *, int, const char *, int, long, long); | |
d02b48c6 | 181 | |
0f113f3e MC |
182 | if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL)) { |
183 | BIOerr(BIO_F_BIO_READ, BIO_R_UNSUPPORTED_METHOD); | |
184 | return (-2); | |
185 | } | |
d02b48c6 | 186 | |
0f113f3e MC |
187 | cb = b->callback; |
188 | if ((cb != NULL) && | |
189 | ((i = (int)cb(b, BIO_CB_READ, out, outl, 0L, 1L)) <= 0)) | |
190 | return (i); | |
d02b48c6 | 191 | |
0f113f3e MC |
192 | if (!b->init) { |
193 | BIOerr(BIO_F_BIO_READ, BIO_R_UNINITIALIZED); | |
194 | return (-2); | |
195 | } | |
d02b48c6 | 196 | |
0f113f3e | 197 | i = b->method->bread(b, out, outl); |
dfeab068 | 198 | |
0f113f3e | 199 | if (i > 0) |
b8b12aad | 200 | b->num_read += (uint64_t)i; |
d02b48c6 | 201 | |
0f113f3e MC |
202 | if (cb != NULL) |
203 | i = (int)cb(b, BIO_CB_READ | BIO_CB_RETURN, out, outl, 0L, (long)i); | |
204 | return (i); | |
205 | } | |
d02b48c6 | 206 | |
6343829a | 207 | int BIO_write(BIO *b, const void *in, int inl) |
0f113f3e MC |
208 | { |
209 | int i; | |
210 | long (*cb) (BIO *, int, const char *, int, long, long); | |
58964a49 | 211 | |
0f113f3e MC |
212 | if (b == NULL) |
213 | return (0); | |
d02b48c6 | 214 | |
0f113f3e MC |
215 | cb = b->callback; |
216 | if ((b->method == NULL) || (b->method->bwrite == NULL)) { | |
217 | BIOerr(BIO_F_BIO_WRITE, BIO_R_UNSUPPORTED_METHOD); | |
218 | return (-2); | |
219 | } | |
d02b48c6 | 220 | |
0f113f3e MC |
221 | if ((cb != NULL) && |
222 | ((i = (int)cb(b, BIO_CB_WRITE, in, inl, 0L, 1L)) <= 0)) | |
223 | return (i); | |
d02b48c6 | 224 | |
0f113f3e MC |
225 | if (!b->init) { |
226 | BIOerr(BIO_F_BIO_WRITE, BIO_R_UNINITIALIZED); | |
227 | return (-2); | |
228 | } | |
d02b48c6 | 229 | |
0f113f3e | 230 | i = b->method->bwrite(b, in, inl); |
dfeab068 | 231 | |
0f113f3e | 232 | if (i > 0) |
b8b12aad | 233 | b->num_write += (uint64_t)i; |
d02b48c6 | 234 | |
0f113f3e MC |
235 | if (cb != NULL) |
236 | i = (int)cb(b, BIO_CB_WRITE | BIO_CB_RETURN, in, inl, 0L, (long)i); | |
237 | return (i); | |
238 | } | |
d02b48c6 | 239 | |
6b691a5c | 240 | int BIO_puts(BIO *b, const char *in) |
0f113f3e MC |
241 | { |
242 | int i; | |
243 | long (*cb) (BIO *, int, const char *, int, long, long); | |
d02b48c6 | 244 | |
0f113f3e MC |
245 | if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) { |
246 | BIOerr(BIO_F_BIO_PUTS, BIO_R_UNSUPPORTED_METHOD); | |
247 | return (-2); | |
248 | } | |
d02b48c6 | 249 | |
0f113f3e | 250 | cb = b->callback; |
58964a49 | 251 | |
0f113f3e MC |
252 | if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_PUTS, in, 0, 0L, 1L)) <= 0)) |
253 | return (i); | |
d02b48c6 | 254 | |
0f113f3e MC |
255 | if (!b->init) { |
256 | BIOerr(BIO_F_BIO_PUTS, BIO_R_UNINITIALIZED); | |
257 | return (-2); | |
258 | } | |
d02b48c6 | 259 | |
0f113f3e | 260 | i = b->method->bputs(b, in); |
d02b48c6 | 261 | |
0f113f3e | 262 | if (i > 0) |
b8b12aad | 263 | b->num_write += (uint64_t)i; |
7d95ff76 | 264 | |
0f113f3e MC |
265 | if (cb != NULL) |
266 | i = (int)cb(b, BIO_CB_PUTS | BIO_CB_RETURN, in, 0, 0L, (long)i); | |
267 | return (i); | |
268 | } | |
d02b48c6 | 269 | |
6b691a5c | 270 | int BIO_gets(BIO *b, char *in, int inl) |
0f113f3e MC |
271 | { |
272 | int i; | |
273 | long (*cb) (BIO *, int, const char *, int, long, long); | |
274 | ||
275 | if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL)) { | |
276 | BIOerr(BIO_F_BIO_GETS, BIO_R_UNSUPPORTED_METHOD); | |
277 | return (-2); | |
278 | } | |
279 | ||
280 | cb = b->callback; | |
281 | ||
282 | if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_GETS, in, inl, 0L, 1L)) <= 0)) | |
283 | return (i); | |
284 | ||
285 | if (!b->init) { | |
286 | BIOerr(BIO_F_BIO_GETS, BIO_R_UNINITIALIZED); | |
287 | return (-2); | |
288 | } | |
289 | ||
290 | i = b->method->bgets(b, in, inl); | |
291 | ||
292 | if (cb != NULL) | |
293 | i = (int)cb(b, BIO_CB_GETS | BIO_CB_RETURN, in, inl, 0L, (long)i); | |
294 | return (i); | |
295 | } | |
296 | ||
297 | int BIO_indent(BIO *b, int indent, int max) | |
298 | { | |
299 | if (indent < 0) | |
300 | indent = 0; | |
301 | if (indent > max) | |
302 | indent = max; | |
303 | while (indent--) | |
304 | if (BIO_puts(b, " ") != 1) | |
305 | return 0; | |
306 | return 1; | |
307 | } | |
54a656ef | 308 | |
6b691a5c | 309 | long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg) |
0f113f3e MC |
310 | { |
311 | int i; | |
d02b48c6 | 312 | |
0f113f3e MC |
313 | i = iarg; |
314 | return (BIO_ctrl(b, cmd, larg, (char *)&i)); | |
315 | } | |
d02b48c6 | 316 | |
417be660 | 317 | void *BIO_ptr_ctrl(BIO *b, int cmd, long larg) |
0f113f3e | 318 | { |
417be660 | 319 | void *p = NULL; |
58964a49 | 320 | |
0f113f3e MC |
321 | if (BIO_ctrl(b, cmd, larg, (char *)&p) <= 0) |
322 | return (NULL); | |
323 | else | |
324 | return (p); | |
325 | } | |
58964a49 | 326 | |
95d29597 | 327 | long BIO_ctrl(BIO *b, int cmd, long larg, void *parg) |
0f113f3e MC |
328 | { |
329 | long ret; | |
330 | long (*cb) (BIO *, int, const char *, int, long, long); | |
d02b48c6 | 331 | |
0f113f3e MC |
332 | if (b == NULL) |
333 | return (0); | |
d02b48c6 | 334 | |
0f113f3e MC |
335 | if ((b->method == NULL) || (b->method->ctrl == NULL)) { |
336 | BIOerr(BIO_F_BIO_CTRL, BIO_R_UNSUPPORTED_METHOD); | |
337 | return (-2); | |
338 | } | |
d02b48c6 | 339 | |
0f113f3e | 340 | cb = b->callback; |
58964a49 | 341 | |
0f113f3e MC |
342 | if ((cb != NULL) && |
343 | ((ret = cb(b, BIO_CB_CTRL, parg, cmd, larg, 1L)) <= 0)) | |
344 | return (ret); | |
d02b48c6 | 345 | |
0f113f3e | 346 | ret = b->method->ctrl(b, cmd, larg, parg); |
d02b48c6 | 347 | |
0f113f3e MC |
348 | if (cb != NULL) |
349 | ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, parg, cmd, larg, ret); | |
350 | return (ret); | |
351 | } | |
d02b48c6 | 352 | |
0f113f3e MC |
353 | long BIO_callback_ctrl(BIO *b, int cmd, |
354 | void (*fp) (struct bio_st *, int, const char *, int, | |
355 | long, long)) | |
356 | { | |
357 | long ret; | |
358 | long (*cb) (BIO *, int, const char *, int, long, long); | |
d3442bc7 | 359 | |
0f113f3e MC |
360 | if (b == NULL) |
361 | return (0); | |
d3442bc7 | 362 | |
0f113f3e MC |
363 | if ((b->method == NULL) || (b->method->callback_ctrl == NULL)) { |
364 | BIOerr(BIO_F_BIO_CALLBACK_CTRL, BIO_R_UNSUPPORTED_METHOD); | |
365 | return (-2); | |
366 | } | |
d3442bc7 | 367 | |
0f113f3e | 368 | cb = b->callback; |
d3442bc7 | 369 | |
0f113f3e MC |
370 | if ((cb != NULL) && |
371 | ((ret = cb(b, BIO_CB_CTRL, (void *)&fp, cmd, 0, 1L)) <= 0)) | |
372 | return (ret); | |
d3442bc7 | 373 | |
0f113f3e | 374 | ret = b->method->callback_ctrl(b, cmd, fp); |
d3442bc7 | 375 | |
0f113f3e MC |
376 | if (cb != NULL) |
377 | ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, (void *)&fp, cmd, 0, ret); | |
378 | return (ret); | |
379 | } | |
d3442bc7 | 380 | |
0f113f3e MC |
381 | /* |
382 | * It is unfortunate to duplicate in functions what the BIO_(w)pending macros | |
95d29597 | 383 | * do; but those macros have inappropriate return type, and for interfacing |
0f113f3e MC |
384 | * from other programming languages, C macros aren't much of a help anyway. |
385 | */ | |
95d29597 | 386 | size_t BIO_ctrl_pending(BIO *bio) |
0f113f3e MC |
387 | { |
388 | return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL); | |
389 | } | |
95d29597 BM |
390 | |
391 | size_t BIO_ctrl_wpending(BIO *bio) | |
0f113f3e MC |
392 | { |
393 | return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL); | |
394 | } | |
95d29597 | 395 | |
d02b48c6 | 396 | /* put the 'bio' on the end of b's list of operators */ |
6b691a5c | 397 | BIO *BIO_push(BIO *b, BIO *bio) |
0f113f3e MC |
398 | { |
399 | BIO *lb; | |
400 | ||
401 | if (b == NULL) | |
402 | return (bio); | |
403 | lb = b; | |
404 | while (lb->next_bio != NULL) | |
405 | lb = lb->next_bio; | |
406 | lb->next_bio = bio; | |
407 | if (bio != NULL) | |
408 | bio->prev_bio = lb; | |
409 | /* called to do internal processing */ | |
410 | BIO_ctrl(b, BIO_CTRL_PUSH, 0, lb); | |
411 | return (b); | |
412 | } | |
d02b48c6 RE |
413 | |
414 | /* Remove the first and return the rest */ | |
6b691a5c | 415 | BIO *BIO_pop(BIO *b) |
0f113f3e MC |
416 | { |
417 | BIO *ret; | |
d02b48c6 | 418 | |
0f113f3e MC |
419 | if (b == NULL) |
420 | return (NULL); | |
421 | ret = b->next_bio; | |
d02b48c6 | 422 | |
0f113f3e | 423 | BIO_ctrl(b, BIO_CTRL_POP, 0, b); |
5d780bab | 424 | |
0f113f3e MC |
425 | if (b->prev_bio != NULL) |
426 | b->prev_bio->next_bio = b->next_bio; | |
427 | if (b->next_bio != NULL) | |
428 | b->next_bio->prev_bio = b->prev_bio; | |
d02b48c6 | 429 | |
0f113f3e MC |
430 | b->next_bio = NULL; |
431 | b->prev_bio = NULL; | |
432 | return (ret); | |
433 | } | |
d02b48c6 | 434 | |
6b691a5c | 435 | BIO *BIO_get_retry_BIO(BIO *bio, int *reason) |
0f113f3e MC |
436 | { |
437 | BIO *b, *last; | |
438 | ||
439 | b = last = bio; | |
440 | for (;;) { | |
441 | if (!BIO_should_retry(b)) | |
442 | break; | |
443 | last = b; | |
444 | b = b->next_bio; | |
445 | if (b == NULL) | |
446 | break; | |
447 | } | |
448 | if (reason != NULL) | |
449 | *reason = last->retry_reason; | |
450 | return (last); | |
451 | } | |
d02b48c6 | 452 | |
6b691a5c | 453 | int BIO_get_retry_reason(BIO *bio) |
0f113f3e MC |
454 | { |
455 | return (bio->retry_reason); | |
456 | } | |
d02b48c6 | 457 | |
a146ae55 MC |
458 | void BIO_set_retry_reason(BIO *bio, int reason) |
459 | { | |
460 | bio->retry_reason = reason; | |
461 | } | |
462 | ||
6b691a5c | 463 | BIO *BIO_find_type(BIO *bio, int type) |
0f113f3e MC |
464 | { |
465 | int mt, mask; | |
466 | ||
cc99bfa7 | 467 | if (bio == NULL) |
0f113f3e MC |
468 | return NULL; |
469 | mask = type & 0xff; | |
470 | do { | |
471 | if (bio->method != NULL) { | |
472 | mt = bio->method->type; | |
473 | ||
474 | if (!mask) { | |
475 | if (mt & type) | |
476 | return (bio); | |
477 | } else if (mt == type) | |
478 | return (bio); | |
479 | } | |
480 | bio = bio->next_bio; | |
481 | } while (bio != NULL); | |
482 | return (NULL); | |
483 | } | |
d02b48c6 | 484 | |
cfd3bb17 | 485 | BIO *BIO_next(BIO *b) |
0f113f3e | 486 | { |
cc99bfa7 | 487 | if (b == NULL) |
0f113f3e MC |
488 | return NULL; |
489 | return b->next_bio; | |
490 | } | |
cfd3bb17 | 491 | |
a146ae55 MC |
492 | void BIO_set_next(BIO *b, BIO *next) |
493 | { | |
494 | b->next_bio = next; | |
495 | } | |
496 | ||
6b691a5c | 497 | void BIO_free_all(BIO *bio) |
0f113f3e MC |
498 | { |
499 | BIO *b; | |
500 | int ref; | |
501 | ||
502 | while (bio != NULL) { | |
503 | b = bio; | |
504 | ref = b->references; | |
505 | bio = bio->next_bio; | |
506 | BIO_free(b); | |
507 | /* Since ref count > 1, don't free anyone else. */ | |
508 | if (ref > 1) | |
509 | break; | |
510 | } | |
511 | } | |
d02b48c6 | 512 | |
6b691a5c | 513 | BIO *BIO_dup_chain(BIO *in) |
0f113f3e MC |
514 | { |
515 | BIO *ret = NULL, *eoc = NULL, *bio, *new_bio; | |
516 | ||
517 | for (bio = in; bio != NULL; bio = bio->next_bio) { | |
518 | if ((new_bio = BIO_new(bio->method)) == NULL) | |
519 | goto err; | |
520 | new_bio->callback = bio->callback; | |
521 | new_bio->cb_arg = bio->cb_arg; | |
522 | new_bio->init = bio->init; | |
523 | new_bio->shutdown = bio->shutdown; | |
524 | new_bio->flags = bio->flags; | |
525 | ||
526 | /* This will let SSL_s_sock() work with stdin/stdout */ | |
527 | new_bio->num = bio->num; | |
528 | ||
529 | if (!BIO_dup_state(bio, (char *)new_bio)) { | |
530 | BIO_free(new_bio); | |
531 | goto err; | |
532 | } | |
533 | ||
534 | /* copy app data */ | |
535 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data, | |
aec54108 MC |
536 | &bio->ex_data)) { |
537 | BIO_free(new_bio); | |
0f113f3e | 538 | goto err; |
aec54108 | 539 | } |
0f113f3e MC |
540 | |
541 | if (ret == NULL) { | |
542 | eoc = new_bio; | |
543 | ret = eoc; | |
544 | } else { | |
545 | BIO_push(eoc, new_bio); | |
546 | eoc = new_bio; | |
547 | } | |
548 | } | |
549 | return (ret); | |
550 | err: | |
aec54108 MC |
551 | BIO_free_all(ret); |
552 | ||
0f113f3e MC |
553 | return (NULL); |
554 | } | |
d02b48c6 | 555 | |
6b691a5c | 556 | void BIO_copy_next_retry(BIO *b) |
0f113f3e MC |
557 | { |
558 | BIO_set_flags(b, BIO_get_retry_flags(b->next_bio)); | |
559 | b->retry_reason = b->next_bio->retry_reason; | |
560 | } | |
d02b48c6 | 561 | |
dd9d233e | 562 | int BIO_set_ex_data(BIO *bio, int idx, void *data) |
0f113f3e MC |
563 | { |
564 | return (CRYPTO_set_ex_data(&(bio->ex_data), idx, data)); | |
565 | } | |
58964a49 | 566 | |
dd9d233e | 567 | void *BIO_get_ex_data(BIO *bio, int idx) |
0f113f3e MC |
568 | { |
569 | return (CRYPTO_get_ex_data(&(bio->ex_data), idx)); | |
570 | } | |
58964a49 | 571 | |
b8b12aad | 572 | uint64_t BIO_number_read(BIO *bio) |
c3ed3b6e | 573 | { |
0f113f3e MC |
574 | if (bio) |
575 | return bio->num_read; | |
576 | return 0; | |
c3ed3b6e DSH |
577 | } |
578 | ||
b8b12aad | 579 | uint64_t BIO_number_written(BIO *bio) |
c3ed3b6e | 580 | { |
0f113f3e MC |
581 | if (bio) |
582 | return bio->num_write; | |
583 | return 0; | |
c3ed3b6e | 584 | } |
ff234405 | 585 | |
1ee7b8b9 MC |
586 | void bio_free_ex_data(BIO *bio) |
587 | { | |
588 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); | |
589 | } | |
ff234405 MC |
590 | |
591 | void bio_cleanup(void) | |
592 | { | |
593 | #ifndef OPENSSL_NO_SOCK | |
594 | bio_sock_cleanup_int(); | |
595 | CRYPTO_THREAD_lock_free(bio_lookup_lock); | |
596 | bio_lookup_lock = NULL; | |
597 | #endif | |
598 | } |