]>
Commit | Line | Data |
---|---|---|
58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
59 | #include <errno.h> | |
ec577822 | 60 | #include <openssl/crypto.h> |
a146ae55 | 61 | #include "bio_lcl.h" |
b39fc560 | 62 | #include "internal/cryptlib.h" |
ec577822 | 63 | #include <openssl/stack.h> |
58964a49 | 64 | |
04f6b0fd | 65 | BIO *BIO_new(const BIO_METHOD *method) |
0f113f3e | 66 | { |
b4faea50 | 67 | BIO *ret = OPENSSL_malloc(sizeof(*ret)); |
0f113f3e | 68 | |
0f113f3e MC |
69 | if (ret == NULL) { |
70 | BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE); | |
71 | return (NULL); | |
72 | } | |
73 | if (!BIO_set(ret, method)) { | |
74 | OPENSSL_free(ret); | |
75 | ret = NULL; | |
76 | } | |
77 | return (ret); | |
78 | } | |
d02b48c6 | 79 | |
04f6b0fd | 80 | int BIO_set(BIO *bio, const BIO_METHOD *method) |
0f113f3e MC |
81 | { |
82 | bio->method = method; | |
83 | bio->callback = NULL; | |
84 | bio->cb_arg = NULL; | |
85 | bio->init = 0; | |
86 | bio->shutdown = 1; | |
87 | bio->flags = 0; | |
88 | bio->retry_reason = 0; | |
89 | bio->num = 0; | |
90 | bio->ptr = NULL; | |
91 | bio->prev_bio = NULL; | |
92 | bio->next_bio = NULL; | |
93 | bio->references = 1; | |
94 | bio->num_read = 0L; | |
95 | bio->num_write = 0L; | |
25a807bc F |
96 | if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data)) |
97 | return 0; | |
fb46be03 AG |
98 | |
99 | bio->lock = CRYPTO_THREAD_lock_new(); | |
100 | if (bio->lock == NULL) { | |
101 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); | |
102 | return 0; | |
103 | } | |
104 | ||
105 | if (method->create != NULL) { | |
0f113f3e MC |
106 | if (!method->create(bio)) { |
107 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); | |
fb46be03 AG |
108 | CRYPTO_THREAD_lock_free(bio->lock); |
109 | return 0; | |
0f113f3e | 110 | } |
fb46be03 AG |
111 | } |
112 | ||
113 | return 1; | |
0f113f3e | 114 | } |
d02b48c6 | 115 | |
6b691a5c | 116 | int BIO_free(BIO *a) |
0f113f3e MC |
117 | { |
118 | int i; | |
d02b48c6 | 119 | |
0f113f3e | 120 | if (a == NULL) |
fb46be03 AG |
121 | return 0; |
122 | ||
123 | if (CRYPTO_atomic_add(&a->references, -1, &i, a->lock) <= 0) | |
124 | return 0; | |
d02b48c6 | 125 | |
f3f1cf84 | 126 | REF_PRINT_COUNT("BIO", a); |
0f113f3e | 127 | if (i > 0) |
fb46be03 | 128 | return 1; |
f3f1cf84 | 129 | REF_ASSERT_ISNT(i < 0); |
0f113f3e MC |
130 | if ((a->callback != NULL) && |
131 | ((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0)) | |
fb46be03 | 132 | return i; |
d02b48c6 | 133 | |
0f113f3e | 134 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data); |
58964a49 | 135 | |
fb46be03 AG |
136 | CRYPTO_THREAD_lock_free(a->lock); |
137 | ||
0f113f3e MC |
138 | if ((a->method != NULL) && (a->method->destroy != NULL)) |
139 | a->method->destroy(a); | |
fb46be03 | 140 | |
0f113f3e | 141 | OPENSSL_free(a); |
fb46be03 AG |
142 | |
143 | return 1; | |
0f113f3e | 144 | } |
d02b48c6 | 145 | |
a146ae55 MC |
146 | void BIO_set_data(BIO *a, void *ptr) |
147 | { | |
148 | a->ptr = ptr; | |
149 | } | |
150 | ||
151 | void *BIO_get_data(BIO *a) | |
152 | { | |
153 | return a->ptr; | |
154 | } | |
155 | ||
156 | void BIO_set_init(BIO *a, int init) | |
157 | { | |
158 | a->init = init; | |
159 | } | |
160 | ||
161 | int BIO_get_init(BIO *a) | |
162 | { | |
163 | return a->init; | |
164 | } | |
165 | ||
166 | void BIO_set_shutdown(BIO *a, int shut) | |
167 | { | |
168 | a->shutdown = shut; | |
169 | } | |
170 | ||
171 | int BIO_get_shutdown(BIO *a) | |
172 | { | |
173 | return a->shutdown; | |
174 | } | |
175 | ||
371acb22 | 176 | void BIO_vfree(BIO *a) |
0f113f3e MC |
177 | { |
178 | BIO_free(a); | |
179 | } | |
371acb22 | 180 | |
fb46be03 AG |
181 | int BIO_up_ref(BIO *a) |
182 | { | |
183 | int i; | |
184 | ||
185 | if (CRYPTO_atomic_add(&a->references, 1, &i, a->lock) <= 0) | |
186 | return 0; | |
187 | ||
188 | REF_PRINT_COUNT("BIO", a); | |
189 | REF_ASSERT_ISNT(i < 2); | |
190 | return ((i > 1) ? 1 : 0); | |
191 | } | |
192 | ||
7806f3dd | 193 | void BIO_clear_flags(BIO *b, int flags) |
0f113f3e MC |
194 | { |
195 | b->flags &= ~flags; | |
196 | } | |
197 | ||
198 | int BIO_test_flags(const BIO *b, int flags) | |
199 | { | |
200 | return (b->flags & flags); | |
201 | } | |
202 | ||
203 | void BIO_set_flags(BIO *b, int flags) | |
204 | { | |
205 | b->flags |= flags; | |
206 | } | |
207 | ||
208 | long (*BIO_get_callback(const BIO *b)) (struct bio_st *, int, const char *, | |
209 | int, long, long) { | |
210 | return b->callback; | |
211 | } | |
212 | ||
213 | void BIO_set_callback(BIO *b, | |
214 | long (*cb) (struct bio_st *, int, const char *, int, | |
215 | long, long)) | |
216 | { | |
217 | b->callback = cb; | |
218 | } | |
7806f3dd NL |
219 | |
220 | void BIO_set_callback_arg(BIO *b, char *arg) | |
0f113f3e MC |
221 | { |
222 | b->cb_arg = arg; | |
223 | } | |
7806f3dd | 224 | |
0f113f3e MC |
225 | char *BIO_get_callback_arg(const BIO *b) |
226 | { | |
227 | return b->cb_arg; | |
228 | } | |
7806f3dd | 229 | |
0f113f3e MC |
230 | const char *BIO_method_name(const BIO *b) |
231 | { | |
232 | return b->method->name; | |
233 | } | |
7806f3dd NL |
234 | |
235 | int BIO_method_type(const BIO *b) | |
0f113f3e MC |
236 | { |
237 | return b->method->type; | |
238 | } | |
7806f3dd | 239 | |
61f5b6f3 | 240 | int BIO_read(BIO *b, void *out, int outl) |
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->bread == NULL)) { |
246 | BIOerr(BIO_F_BIO_READ, BIO_R_UNSUPPORTED_METHOD); | |
247 | return (-2); | |
248 | } | |
d02b48c6 | 249 | |
0f113f3e MC |
250 | cb = b->callback; |
251 | if ((cb != NULL) && | |
252 | ((i = (int)cb(b, BIO_CB_READ, out, outl, 0L, 1L)) <= 0)) | |
253 | return (i); | |
d02b48c6 | 254 | |
0f113f3e MC |
255 | if (!b->init) { |
256 | BIOerr(BIO_F_BIO_READ, BIO_R_UNINITIALIZED); | |
257 | return (-2); | |
258 | } | |
d02b48c6 | 259 | |
0f113f3e | 260 | i = b->method->bread(b, out, outl); |
dfeab068 | 261 | |
0f113f3e | 262 | if (i > 0) |
b8b12aad | 263 | b->num_read += (uint64_t)i; |
d02b48c6 | 264 | |
0f113f3e MC |
265 | if (cb != NULL) |
266 | i = (int)cb(b, BIO_CB_READ | BIO_CB_RETURN, out, outl, 0L, (long)i); | |
267 | return (i); | |
268 | } | |
d02b48c6 | 269 | |
6343829a | 270 | int BIO_write(BIO *b, const void *in, int inl) |
0f113f3e MC |
271 | { |
272 | int i; | |
273 | long (*cb) (BIO *, int, const char *, int, long, long); | |
58964a49 | 274 | |
0f113f3e MC |
275 | if (b == NULL) |
276 | return (0); | |
d02b48c6 | 277 | |
0f113f3e MC |
278 | cb = b->callback; |
279 | if ((b->method == NULL) || (b->method->bwrite == NULL)) { | |
280 | BIOerr(BIO_F_BIO_WRITE, BIO_R_UNSUPPORTED_METHOD); | |
281 | return (-2); | |
282 | } | |
d02b48c6 | 283 | |
0f113f3e MC |
284 | if ((cb != NULL) && |
285 | ((i = (int)cb(b, BIO_CB_WRITE, in, inl, 0L, 1L)) <= 0)) | |
286 | return (i); | |
d02b48c6 | 287 | |
0f113f3e MC |
288 | if (!b->init) { |
289 | BIOerr(BIO_F_BIO_WRITE, BIO_R_UNINITIALIZED); | |
290 | return (-2); | |
291 | } | |
d02b48c6 | 292 | |
0f113f3e | 293 | i = b->method->bwrite(b, in, inl); |
dfeab068 | 294 | |
0f113f3e | 295 | if (i > 0) |
b8b12aad | 296 | b->num_write += (uint64_t)i; |
d02b48c6 | 297 | |
0f113f3e MC |
298 | if (cb != NULL) |
299 | i = (int)cb(b, BIO_CB_WRITE | BIO_CB_RETURN, in, inl, 0L, (long)i); | |
300 | return (i); | |
301 | } | |
d02b48c6 | 302 | |
6b691a5c | 303 | int BIO_puts(BIO *b, const char *in) |
0f113f3e MC |
304 | { |
305 | int i; | |
306 | long (*cb) (BIO *, int, const char *, int, long, long); | |
d02b48c6 | 307 | |
0f113f3e MC |
308 | if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) { |
309 | BIOerr(BIO_F_BIO_PUTS, BIO_R_UNSUPPORTED_METHOD); | |
310 | return (-2); | |
311 | } | |
d02b48c6 | 312 | |
0f113f3e | 313 | cb = b->callback; |
58964a49 | 314 | |
0f113f3e MC |
315 | if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_PUTS, in, 0, 0L, 1L)) <= 0)) |
316 | return (i); | |
d02b48c6 | 317 | |
0f113f3e MC |
318 | if (!b->init) { |
319 | BIOerr(BIO_F_BIO_PUTS, BIO_R_UNINITIALIZED); | |
320 | return (-2); | |
321 | } | |
d02b48c6 | 322 | |
0f113f3e | 323 | i = b->method->bputs(b, in); |
d02b48c6 | 324 | |
0f113f3e | 325 | if (i > 0) |
b8b12aad | 326 | b->num_write += (uint64_t)i; |
7d95ff76 | 327 | |
0f113f3e MC |
328 | if (cb != NULL) |
329 | i = (int)cb(b, BIO_CB_PUTS | BIO_CB_RETURN, in, 0, 0L, (long)i); | |
330 | return (i); | |
331 | } | |
d02b48c6 | 332 | |
6b691a5c | 333 | int BIO_gets(BIO *b, char *in, int inl) |
0f113f3e MC |
334 | { |
335 | int i; | |
336 | long (*cb) (BIO *, int, const char *, int, long, long); | |
337 | ||
338 | if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL)) { | |
339 | BIOerr(BIO_F_BIO_GETS, BIO_R_UNSUPPORTED_METHOD); | |
340 | return (-2); | |
341 | } | |
342 | ||
343 | cb = b->callback; | |
344 | ||
345 | if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_GETS, in, inl, 0L, 1L)) <= 0)) | |
346 | return (i); | |
347 | ||
348 | if (!b->init) { | |
349 | BIOerr(BIO_F_BIO_GETS, BIO_R_UNINITIALIZED); | |
350 | return (-2); | |
351 | } | |
352 | ||
353 | i = b->method->bgets(b, in, inl); | |
354 | ||
355 | if (cb != NULL) | |
356 | i = (int)cb(b, BIO_CB_GETS | BIO_CB_RETURN, in, inl, 0L, (long)i); | |
357 | return (i); | |
358 | } | |
359 | ||
360 | int BIO_indent(BIO *b, int indent, int max) | |
361 | { | |
362 | if (indent < 0) | |
363 | indent = 0; | |
364 | if (indent > max) | |
365 | indent = max; | |
366 | while (indent--) | |
367 | if (BIO_puts(b, " ") != 1) | |
368 | return 0; | |
369 | return 1; | |
370 | } | |
54a656ef | 371 | |
6b691a5c | 372 | long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg) |
0f113f3e MC |
373 | { |
374 | int i; | |
d02b48c6 | 375 | |
0f113f3e MC |
376 | i = iarg; |
377 | return (BIO_ctrl(b, cmd, larg, (char *)&i)); | |
378 | } | |
d02b48c6 | 379 | |
417be660 | 380 | void *BIO_ptr_ctrl(BIO *b, int cmd, long larg) |
0f113f3e | 381 | { |
417be660 | 382 | void *p = NULL; |
58964a49 | 383 | |
0f113f3e MC |
384 | if (BIO_ctrl(b, cmd, larg, (char *)&p) <= 0) |
385 | return (NULL); | |
386 | else | |
387 | return (p); | |
388 | } | |
58964a49 | 389 | |
95d29597 | 390 | long BIO_ctrl(BIO *b, int cmd, long larg, void *parg) |
0f113f3e MC |
391 | { |
392 | long ret; | |
393 | long (*cb) (BIO *, int, const char *, int, long, long); | |
d02b48c6 | 394 | |
0f113f3e MC |
395 | if (b == NULL) |
396 | return (0); | |
d02b48c6 | 397 | |
0f113f3e MC |
398 | if ((b->method == NULL) || (b->method->ctrl == NULL)) { |
399 | BIOerr(BIO_F_BIO_CTRL, BIO_R_UNSUPPORTED_METHOD); | |
400 | return (-2); | |
401 | } | |
d02b48c6 | 402 | |
0f113f3e | 403 | cb = b->callback; |
58964a49 | 404 | |
0f113f3e MC |
405 | if ((cb != NULL) && |
406 | ((ret = cb(b, BIO_CB_CTRL, parg, cmd, larg, 1L)) <= 0)) | |
407 | return (ret); | |
d02b48c6 | 408 | |
0f113f3e | 409 | ret = b->method->ctrl(b, cmd, larg, parg); |
d02b48c6 | 410 | |
0f113f3e MC |
411 | if (cb != NULL) |
412 | ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, parg, cmd, larg, ret); | |
413 | return (ret); | |
414 | } | |
d02b48c6 | 415 | |
0f113f3e MC |
416 | long BIO_callback_ctrl(BIO *b, int cmd, |
417 | void (*fp) (struct bio_st *, int, const char *, int, | |
418 | long, long)) | |
419 | { | |
420 | long ret; | |
421 | long (*cb) (BIO *, int, const char *, int, long, long); | |
d3442bc7 | 422 | |
0f113f3e MC |
423 | if (b == NULL) |
424 | return (0); | |
d3442bc7 | 425 | |
0f113f3e MC |
426 | if ((b->method == NULL) || (b->method->callback_ctrl == NULL)) { |
427 | BIOerr(BIO_F_BIO_CALLBACK_CTRL, BIO_R_UNSUPPORTED_METHOD); | |
428 | return (-2); | |
429 | } | |
d3442bc7 | 430 | |
0f113f3e | 431 | cb = b->callback; |
d3442bc7 | 432 | |
0f113f3e MC |
433 | if ((cb != NULL) && |
434 | ((ret = cb(b, BIO_CB_CTRL, (void *)&fp, cmd, 0, 1L)) <= 0)) | |
435 | return (ret); | |
d3442bc7 | 436 | |
0f113f3e | 437 | ret = b->method->callback_ctrl(b, cmd, fp); |
d3442bc7 | 438 | |
0f113f3e MC |
439 | if (cb != NULL) |
440 | ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, (void *)&fp, cmd, 0, ret); | |
441 | return (ret); | |
442 | } | |
d3442bc7 | 443 | |
0f113f3e MC |
444 | /* |
445 | * It is unfortunate to duplicate in functions what the BIO_(w)pending macros | |
95d29597 | 446 | * do; but those macros have inappropriate return type, and for interfacing |
0f113f3e MC |
447 | * from other programming languages, C macros aren't much of a help anyway. |
448 | */ | |
95d29597 | 449 | size_t BIO_ctrl_pending(BIO *bio) |
0f113f3e MC |
450 | { |
451 | return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL); | |
452 | } | |
95d29597 BM |
453 | |
454 | size_t BIO_ctrl_wpending(BIO *bio) | |
0f113f3e MC |
455 | { |
456 | return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL); | |
457 | } | |
95d29597 | 458 | |
d02b48c6 | 459 | /* put the 'bio' on the end of b's list of operators */ |
6b691a5c | 460 | BIO *BIO_push(BIO *b, BIO *bio) |
0f113f3e MC |
461 | { |
462 | BIO *lb; | |
463 | ||
464 | if (b == NULL) | |
465 | return (bio); | |
466 | lb = b; | |
467 | while (lb->next_bio != NULL) | |
468 | lb = lb->next_bio; | |
469 | lb->next_bio = bio; | |
470 | if (bio != NULL) | |
471 | bio->prev_bio = lb; | |
472 | /* called to do internal processing */ | |
473 | BIO_ctrl(b, BIO_CTRL_PUSH, 0, lb); | |
474 | return (b); | |
475 | } | |
d02b48c6 RE |
476 | |
477 | /* Remove the first and return the rest */ | |
6b691a5c | 478 | BIO *BIO_pop(BIO *b) |
0f113f3e MC |
479 | { |
480 | BIO *ret; | |
d02b48c6 | 481 | |
0f113f3e MC |
482 | if (b == NULL) |
483 | return (NULL); | |
484 | ret = b->next_bio; | |
d02b48c6 | 485 | |
0f113f3e | 486 | BIO_ctrl(b, BIO_CTRL_POP, 0, b); |
5d780bab | 487 | |
0f113f3e MC |
488 | if (b->prev_bio != NULL) |
489 | b->prev_bio->next_bio = b->next_bio; | |
490 | if (b->next_bio != NULL) | |
491 | b->next_bio->prev_bio = b->prev_bio; | |
d02b48c6 | 492 | |
0f113f3e MC |
493 | b->next_bio = NULL; |
494 | b->prev_bio = NULL; | |
495 | return (ret); | |
496 | } | |
d02b48c6 | 497 | |
6b691a5c | 498 | BIO *BIO_get_retry_BIO(BIO *bio, int *reason) |
0f113f3e MC |
499 | { |
500 | BIO *b, *last; | |
501 | ||
502 | b = last = bio; | |
503 | for (;;) { | |
504 | if (!BIO_should_retry(b)) | |
505 | break; | |
506 | last = b; | |
507 | b = b->next_bio; | |
508 | if (b == NULL) | |
509 | break; | |
510 | } | |
511 | if (reason != NULL) | |
512 | *reason = last->retry_reason; | |
513 | return (last); | |
514 | } | |
d02b48c6 | 515 | |
6b691a5c | 516 | int BIO_get_retry_reason(BIO *bio) |
0f113f3e MC |
517 | { |
518 | return (bio->retry_reason); | |
519 | } | |
d02b48c6 | 520 | |
a146ae55 MC |
521 | void BIO_set_retry_reason(BIO *bio, int reason) |
522 | { | |
523 | bio->retry_reason = reason; | |
524 | } | |
525 | ||
6b691a5c | 526 | BIO *BIO_find_type(BIO *bio, int type) |
0f113f3e MC |
527 | { |
528 | int mt, mask; | |
529 | ||
cc99bfa7 | 530 | if (bio == NULL) |
0f113f3e MC |
531 | return NULL; |
532 | mask = type & 0xff; | |
533 | do { | |
534 | if (bio->method != NULL) { | |
535 | mt = bio->method->type; | |
536 | ||
537 | if (!mask) { | |
538 | if (mt & type) | |
539 | return (bio); | |
540 | } else if (mt == type) | |
541 | return (bio); | |
542 | } | |
543 | bio = bio->next_bio; | |
544 | } while (bio != NULL); | |
545 | return (NULL); | |
546 | } | |
d02b48c6 | 547 | |
cfd3bb17 | 548 | BIO *BIO_next(BIO *b) |
0f113f3e | 549 | { |
cc99bfa7 | 550 | if (b == NULL) |
0f113f3e MC |
551 | return NULL; |
552 | return b->next_bio; | |
553 | } | |
cfd3bb17 | 554 | |
a146ae55 MC |
555 | void BIO_set_next(BIO *b, BIO *next) |
556 | { | |
557 | b->next_bio = next; | |
558 | } | |
559 | ||
6b691a5c | 560 | void BIO_free_all(BIO *bio) |
0f113f3e MC |
561 | { |
562 | BIO *b; | |
563 | int ref; | |
564 | ||
565 | while (bio != NULL) { | |
566 | b = bio; | |
567 | ref = b->references; | |
568 | bio = bio->next_bio; | |
569 | BIO_free(b); | |
570 | /* Since ref count > 1, don't free anyone else. */ | |
571 | if (ref > 1) | |
572 | break; | |
573 | } | |
574 | } | |
d02b48c6 | 575 | |
6b691a5c | 576 | BIO *BIO_dup_chain(BIO *in) |
0f113f3e MC |
577 | { |
578 | BIO *ret = NULL, *eoc = NULL, *bio, *new_bio; | |
579 | ||
580 | for (bio = in; bio != NULL; bio = bio->next_bio) { | |
581 | if ((new_bio = BIO_new(bio->method)) == NULL) | |
582 | goto err; | |
583 | new_bio->callback = bio->callback; | |
584 | new_bio->cb_arg = bio->cb_arg; | |
585 | new_bio->init = bio->init; | |
586 | new_bio->shutdown = bio->shutdown; | |
587 | new_bio->flags = bio->flags; | |
588 | ||
589 | /* This will let SSL_s_sock() work with stdin/stdout */ | |
590 | new_bio->num = bio->num; | |
591 | ||
592 | if (!BIO_dup_state(bio, (char *)new_bio)) { | |
593 | BIO_free(new_bio); | |
594 | goto err; | |
595 | } | |
596 | ||
597 | /* copy app data */ | |
598 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data, | |
aec54108 MC |
599 | &bio->ex_data)) { |
600 | BIO_free(new_bio); | |
0f113f3e | 601 | goto err; |
aec54108 | 602 | } |
0f113f3e MC |
603 | |
604 | if (ret == NULL) { | |
605 | eoc = new_bio; | |
606 | ret = eoc; | |
607 | } else { | |
608 | BIO_push(eoc, new_bio); | |
609 | eoc = new_bio; | |
610 | } | |
611 | } | |
612 | return (ret); | |
613 | err: | |
aec54108 MC |
614 | BIO_free_all(ret); |
615 | ||
0f113f3e MC |
616 | return (NULL); |
617 | } | |
d02b48c6 | 618 | |
6b691a5c | 619 | void BIO_copy_next_retry(BIO *b) |
0f113f3e MC |
620 | { |
621 | BIO_set_flags(b, BIO_get_retry_flags(b->next_bio)); | |
622 | b->retry_reason = b->next_bio->retry_reason; | |
623 | } | |
d02b48c6 | 624 | |
dd9d233e | 625 | int BIO_set_ex_data(BIO *bio, int idx, void *data) |
0f113f3e MC |
626 | { |
627 | return (CRYPTO_set_ex_data(&(bio->ex_data), idx, data)); | |
628 | } | |
58964a49 | 629 | |
dd9d233e | 630 | void *BIO_get_ex_data(BIO *bio, int idx) |
0f113f3e MC |
631 | { |
632 | return (CRYPTO_get_ex_data(&(bio->ex_data), idx)); | |
633 | } | |
58964a49 | 634 | |
b8b12aad | 635 | uint64_t BIO_number_read(BIO *bio) |
c3ed3b6e | 636 | { |
0f113f3e MC |
637 | if (bio) |
638 | return bio->num_read; | |
639 | return 0; | |
c3ed3b6e DSH |
640 | } |
641 | ||
b8b12aad | 642 | uint64_t BIO_number_written(BIO *bio) |
c3ed3b6e | 643 | { |
0f113f3e MC |
644 | if (bio) |
645 | return bio->num_write; | |
646 | return 0; | |
c3ed3b6e | 647 | } |
ff234405 | 648 | |
1ee7b8b9 MC |
649 | void bio_free_ex_data(BIO *bio) |
650 | { | |
651 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); | |
652 | } | |
ff234405 MC |
653 | |
654 | void bio_cleanup(void) | |
655 | { | |
656 | #ifndef OPENSSL_NO_SOCK | |
657 | bio_sock_cleanup_int(); | |
658 | CRYPTO_THREAD_lock_free(bio_lookup_lock); | |
659 | bio_lookup_lock = NULL; | |
660 | #endif | |
661 | } |