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d02b48c6 | 1 | /* crypto/bio/bio_lib.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
8 | * | |
9 | * This library is free for commercial and non-commercial use as long as | |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
15 | * | |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
52 | * | |
53 | * The licence and distribution terms for any publically available version or | |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include <errno.h> | |
ec577822 | 61 | #include <openssl/crypto.h> |
d02b48c6 | 62 | #include "cryptlib.h" |
ec577822 BM |
63 | #include <openssl/bio.h> |
64 | #include <openssl/stack.h> | |
58964a49 | 65 | |
6b691a5c | 66 | BIO *BIO_new(BIO_METHOD *method) |
d02b48c6 RE |
67 | { |
68 | BIO *ret=NULL; | |
69 | ||
26a3a48d | 70 | ret=(BIO *)OPENSSL_malloc(sizeof(BIO)); |
d02b48c6 RE |
71 | if (ret == NULL) |
72 | { | |
73 | BIOerr(BIO_F_BIO_NEW,ERR_R_MALLOC_FAILURE); | |
74 | return(NULL); | |
75 | } | |
76 | if (!BIO_set(ret,method)) | |
77 | { | |
26a3a48d | 78 | OPENSSL_free(ret); |
d02b48c6 RE |
79 | ret=NULL; |
80 | } | |
81 | return(ret); | |
82 | } | |
83 | ||
6b691a5c | 84 | int BIO_set(BIO *bio, BIO_METHOD *method) |
d02b48c6 RE |
85 | { |
86 | bio->method=method; | |
87 | bio->callback=NULL; | |
88 | bio->cb_arg=NULL; | |
89 | bio->init=0; | |
90 | bio->shutdown=1; | |
d02b48c6 RE |
91 | bio->flags=0; |
92 | bio->retry_reason=0; | |
58964a49 | 93 | bio->num=0; |
d02b48c6 RE |
94 | bio->ptr=NULL; |
95 | bio->prev_bio=NULL; | |
96 | bio->next_bio=NULL; | |
97 | bio->references=1; | |
98 | bio->num_read=0L; | |
99 | bio->num_write=0L; | |
79aa04ef | 100 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); |
d02b48c6 RE |
101 | if (method->create != NULL) |
102 | if (!method->create(bio)) | |
79aa04ef GT |
103 | { |
104 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, | |
105 | &bio->ex_data); | |
d02b48c6 | 106 | return(0); |
79aa04ef | 107 | } |
d02b48c6 RE |
108 | return(1); |
109 | } | |
110 | ||
6b691a5c | 111 | int BIO_free(BIO *a) |
d02b48c6 | 112 | { |
c8bbd98a | 113 | int i; |
d02b48c6 RE |
114 | |
115 | if (a == NULL) return(0); | |
116 | ||
117 | i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_BIO); | |
58964a49 RE |
118 | #ifdef REF_PRINT |
119 | REF_PRINT("BIO",a); | |
120 | #endif | |
b1c4fe36 | 121 | if (i > 0) return(1); |
d02b48c6 RE |
122 | #ifdef REF_CHECK |
123 | if (i < 0) | |
124 | { | |
125 | fprintf(stderr,"BIO_free, bad reference count\n"); | |
126 | abort(); | |
127 | } | |
128 | #endif | |
129 | if ((a->callback != NULL) && | |
130 | ((i=(int)a->callback(a,BIO_CB_FREE,NULL,0,0L,1L)) <= 0)) | |
131 | return(i); | |
132 | ||
79aa04ef | 133 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data); |
58964a49 | 134 | |
66816c53 MC |
135 | if ((a->method != NULL) && (a->method->destroy != NULL)) |
136 | a->method->destroy(a); | |
26a3a48d | 137 | OPENSSL_free(a); |
d02b48c6 RE |
138 | return(1); |
139 | } | |
140 | ||
371acb22 BL |
141 | void BIO_vfree(BIO *a) |
142 | { BIO_free(a); } | |
143 | ||
7806f3dd NL |
144 | void BIO_clear_flags(BIO *b, int flags) |
145 | { | |
146 | b->flags &= ~flags; | |
147 | } | |
148 | ||
149 | int BIO_test_flags(const BIO *b, int flags) | |
150 | { | |
151 | return (b->flags & flags); | |
152 | } | |
153 | ||
154 | void BIO_set_flags(BIO *b, int flags) | |
155 | { | |
156 | b->flags |= flags; | |
157 | } | |
158 | ||
6343829a | 159 | long (*BIO_get_callback(const BIO *b))(struct bio_st *,int,const char *,int, long,long) |
7806f3dd NL |
160 | { |
161 | return b->callback; | |
162 | } | |
163 | ||
6343829a | 164 | void BIO_set_callback(BIO *b, long (*cb)(struct bio_st *,int,const char *,int, long,long)) |
7806f3dd NL |
165 | { |
166 | b->callback = cb; | |
167 | } | |
168 | ||
169 | void BIO_set_callback_arg(BIO *b, char *arg) | |
170 | { | |
171 | b->cb_arg = arg; | |
172 | } | |
173 | ||
174 | char * BIO_get_callback_arg(const BIO *b) | |
175 | { | |
176 | return b->cb_arg; | |
177 | } | |
178 | ||
179 | const char * BIO_method_name(const BIO *b) | |
180 | { | |
181 | return b->method->name; | |
182 | } | |
183 | ||
184 | int BIO_method_type(const BIO *b) | |
185 | { | |
186 | return b->method->type; | |
187 | } | |
188 | ||
189 | ||
61f5b6f3 | 190 | int BIO_read(BIO *b, void *out, int outl) |
d02b48c6 RE |
191 | { |
192 | int i; | |
6343829a | 193 | long (*cb)(BIO *,int,const char *,int,long,long); |
d02b48c6 RE |
194 | |
195 | if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL)) | |
196 | { | |
197 | BIOerr(BIO_F_BIO_READ,BIO_R_UNSUPPORTED_METHOD); | |
198 | return(-2); | |
199 | } | |
200 | ||
58964a49 RE |
201 | cb=b->callback; |
202 | if ((cb != NULL) && | |
203 | ((i=(int)cb(b,BIO_CB_READ,out,outl,0L,1L)) <= 0)) | |
d02b48c6 RE |
204 | return(i); |
205 | ||
206 | if (!b->init) | |
207 | { | |
df82f5c8 | 208 | BIOerr(BIO_F_BIO_READ,BIO_R_UNINITIALIZED); |
d02b48c6 RE |
209 | return(-2); |
210 | } | |
211 | ||
212 | i=b->method->bread(b,out,outl); | |
dfeab068 | 213 | |
d02b48c6 RE |
214 | if (i > 0) b->num_read+=(unsigned long)i; |
215 | ||
58964a49 RE |
216 | if (cb != NULL) |
217 | i=(int)cb(b,BIO_CB_READ|BIO_CB_RETURN,out,outl, | |
d02b48c6 RE |
218 | 0L,(long)i); |
219 | return(i); | |
220 | } | |
221 | ||
6343829a | 222 | int BIO_write(BIO *b, const void *in, int inl) |
d02b48c6 RE |
223 | { |
224 | int i; | |
6343829a | 225 | long (*cb)(BIO *,int,const char *,int,long,long); |
58964a49 RE |
226 | |
227 | if (b == NULL) | |
228 | return(0); | |
d02b48c6 | 229 | |
58964a49 RE |
230 | cb=b->callback; |
231 | if ((b->method == NULL) || (b->method->bwrite == NULL)) | |
d02b48c6 RE |
232 | { |
233 | BIOerr(BIO_F_BIO_WRITE,BIO_R_UNSUPPORTED_METHOD); | |
234 | return(-2); | |
235 | } | |
236 | ||
58964a49 | 237 | if ((cb != NULL) && |
6343829a | 238 | ((i=(int)cb(b,BIO_CB_WRITE,in,inl,0L,1L)) <= 0)) |
d02b48c6 RE |
239 | return(i); |
240 | ||
241 | if (!b->init) | |
242 | { | |
df82f5c8 | 243 | BIOerr(BIO_F_BIO_WRITE,BIO_R_UNINITIALIZED); |
d02b48c6 RE |
244 | return(-2); |
245 | } | |
246 | ||
247 | i=b->method->bwrite(b,in,inl); | |
dfeab068 | 248 | |
d02b48c6 RE |
249 | if (i > 0) b->num_write+=(unsigned long)i; |
250 | ||
7d95ff76 | 251 | if (cb != NULL) |
58964a49 | 252 | i=(int)cb(b,BIO_CB_WRITE|BIO_CB_RETURN,in,inl, |
d02b48c6 RE |
253 | 0L,(long)i); |
254 | return(i); | |
255 | } | |
256 | ||
6b691a5c | 257 | int BIO_puts(BIO *b, const char *in) |
d02b48c6 RE |
258 | { |
259 | int i; | |
6343829a | 260 | long (*cb)(BIO *,int,const char *,int,long,long); |
d02b48c6 RE |
261 | |
262 | if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) | |
263 | { | |
264 | BIOerr(BIO_F_BIO_PUTS,BIO_R_UNSUPPORTED_METHOD); | |
265 | return(-2); | |
266 | } | |
267 | ||
58964a49 RE |
268 | cb=b->callback; |
269 | ||
270 | if ((cb != NULL) && | |
271 | ((i=(int)cb(b,BIO_CB_PUTS,in,0,0L,1L)) <= 0)) | |
d02b48c6 RE |
272 | return(i); |
273 | ||
274 | if (!b->init) | |
275 | { | |
df82f5c8 | 276 | BIOerr(BIO_F_BIO_PUTS,BIO_R_UNINITIALIZED); |
d02b48c6 RE |
277 | return(-2); |
278 | } | |
279 | ||
280 | i=b->method->bputs(b,in); | |
281 | ||
7d95ff76 BM |
282 | if (i > 0) b->num_write+=(unsigned long)i; |
283 | ||
58964a49 RE |
284 | if (cb != NULL) |
285 | i=(int)cb(b,BIO_CB_PUTS|BIO_CB_RETURN,in,0, | |
d02b48c6 RE |
286 | 0L,(long)i); |
287 | return(i); | |
288 | } | |
289 | ||
6b691a5c | 290 | int BIO_gets(BIO *b, char *in, int inl) |
d02b48c6 RE |
291 | { |
292 | int i; | |
6343829a | 293 | long (*cb)(BIO *,int,const char *,int,long,long); |
d02b48c6 RE |
294 | |
295 | if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL)) | |
296 | { | |
297 | BIOerr(BIO_F_BIO_GETS,BIO_R_UNSUPPORTED_METHOD); | |
298 | return(-2); | |
299 | } | |
300 | ||
58964a49 RE |
301 | cb=b->callback; |
302 | ||
303 | if ((cb != NULL) && | |
304 | ((i=(int)cb(b,BIO_CB_GETS,in,inl,0L,1L)) <= 0)) | |
d02b48c6 RE |
305 | return(i); |
306 | ||
307 | if (!b->init) | |
308 | { | |
df82f5c8 | 309 | BIOerr(BIO_F_BIO_GETS,BIO_R_UNINITIALIZED); |
d02b48c6 RE |
310 | return(-2); |
311 | } | |
312 | ||
313 | i=b->method->bgets(b,in,inl); | |
314 | ||
58964a49 RE |
315 | if (cb != NULL) |
316 | i=(int)cb(b,BIO_CB_GETS|BIO_CB_RETURN,in,inl, | |
d02b48c6 RE |
317 | 0L,(long)i); |
318 | return(i); | |
319 | } | |
320 | ||
54a656ef BL |
321 | int BIO_indent(BIO *b,int indent,int max) |
322 | { | |
323 | if(indent < 0) | |
324 | indent=0; | |
325 | if(indent > max) | |
326 | indent=max; | |
327 | while(indent--) | |
328 | if(BIO_puts(b," ") != 1) | |
329 | return 0; | |
330 | return 1; | |
331 | } | |
332 | ||
6b691a5c | 333 | long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg) |
d02b48c6 RE |
334 | { |
335 | int i; | |
336 | ||
337 | i=iarg; | |
338 | return(BIO_ctrl(b,cmd,larg,(char *)&i)); | |
339 | } | |
340 | ||
6b691a5c | 341 | char *BIO_ptr_ctrl(BIO *b, int cmd, long larg) |
58964a49 RE |
342 | { |
343 | char *p=NULL; | |
344 | ||
345 | if (BIO_ctrl(b,cmd,larg,(char *)&p) <= 0) | |
346 | return(NULL); | |
347 | else | |
348 | return(p); | |
349 | } | |
350 | ||
95d29597 | 351 | long BIO_ctrl(BIO *b, int cmd, long larg, void *parg) |
d02b48c6 RE |
352 | { |
353 | long ret; | |
6343829a | 354 | long (*cb)(BIO *,int,const char *,int,long,long); |
d02b48c6 RE |
355 | |
356 | if (b == NULL) return(0); | |
357 | ||
358 | if ((b->method == NULL) || (b->method->ctrl == NULL)) | |
359 | { | |
360 | BIOerr(BIO_F_BIO_CTRL,BIO_R_UNSUPPORTED_METHOD); | |
361 | return(-2); | |
362 | } | |
363 | ||
58964a49 RE |
364 | cb=b->callback; |
365 | ||
366 | if ((cb != NULL) && | |
367 | ((ret=cb(b,BIO_CB_CTRL,parg,cmd,larg,1L)) <= 0)) | |
d02b48c6 RE |
368 | return(ret); |
369 | ||
370 | ret=b->method->ctrl(b,cmd,larg,parg); | |
371 | ||
58964a49 RE |
372 | if (cb != NULL) |
373 | ret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,parg,cmd, | |
d02b48c6 RE |
374 | larg,ret); |
375 | return(ret); | |
376 | } | |
377 | ||
0e1c0612 | 378 | long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long)) |
d3442bc7 RL |
379 | { |
380 | long ret; | |
6343829a | 381 | long (*cb)(BIO *,int,const char *,int,long,long); |
d3442bc7 RL |
382 | |
383 | if (b == NULL) return(0); | |
384 | ||
385 | if ((b->method == NULL) || (b->method->callback_ctrl == NULL)) | |
386 | { | |
aa4ce731 | 387 | BIOerr(BIO_F_BIO_CALLBACK_CTRL,BIO_R_UNSUPPORTED_METHOD); |
d3442bc7 RL |
388 | return(-2); |
389 | } | |
390 | ||
391 | cb=b->callback; | |
392 | ||
393 | if ((cb != NULL) && | |
394 | ((ret=cb(b,BIO_CB_CTRL,(void *)&fp,cmd,0,1L)) <= 0)) | |
395 | return(ret); | |
396 | ||
397 | ret=b->method->callback_ctrl(b,cmd,fp); | |
398 | ||
399 | if (cb != NULL) | |
400 | ret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,(void *)&fp,cmd, | |
401 | 0,ret); | |
402 | return(ret); | |
403 | } | |
404 | ||
95d29597 BM |
405 | /* It is unfortunate to duplicate in functions what the BIO_(w)pending macros |
406 | * do; but those macros have inappropriate return type, and for interfacing | |
407 | * from other programming languages, C macros aren't much of a help anyway. */ | |
408 | size_t BIO_ctrl_pending(BIO *bio) | |
d3442bc7 | 409 | { |
95d29597 BM |
410 | return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL); |
411 | } | |
412 | ||
413 | size_t BIO_ctrl_wpending(BIO *bio) | |
d3442bc7 | 414 | { |
95d29597 BM |
415 | return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL); |
416 | } | |
417 | ||
418 | ||
d02b48c6 | 419 | /* put the 'bio' on the end of b's list of operators */ |
6b691a5c | 420 | BIO *BIO_push(BIO *b, BIO *bio) |
d02b48c6 RE |
421 | { |
422 | BIO *lb; | |
423 | ||
424 | if (b == NULL) return(bio); | |
425 | lb=b; | |
426 | while (lb->next_bio != NULL) | |
427 | lb=lb->next_bio; | |
428 | lb->next_bio=bio; | |
429 | if (bio != NULL) | |
430 | bio->prev_bio=lb; | |
58964a49 | 431 | /* called to do internal processing */ |
e30dd20c | 432 | BIO_ctrl(b,BIO_CTRL_PUSH,0,lb); |
d02b48c6 RE |
433 | return(b); |
434 | } | |
435 | ||
436 | /* Remove the first and return the rest */ | |
6b691a5c | 437 | BIO *BIO_pop(BIO *b) |
d02b48c6 RE |
438 | { |
439 | BIO *ret; | |
440 | ||
441 | if (b == NULL) return(NULL); | |
442 | ret=b->next_bio; | |
443 | ||
e30dd20c | 444 | BIO_ctrl(b,BIO_CTRL_POP,0,b); |
5d780bab | 445 | |
d02b48c6 RE |
446 | if (b->prev_bio != NULL) |
447 | b->prev_bio->next_bio=b->next_bio; | |
448 | if (b->next_bio != NULL) | |
449 | b->next_bio->prev_bio=b->prev_bio; | |
450 | ||
451 | b->next_bio=NULL; | |
452 | b->prev_bio=NULL; | |
d02b48c6 RE |
453 | return(ret); |
454 | } | |
455 | ||
6b691a5c | 456 | BIO *BIO_get_retry_BIO(BIO *bio, int *reason) |
d02b48c6 RE |
457 | { |
458 | BIO *b,*last; | |
459 | ||
460 | b=last=bio; | |
461 | for (;;) | |
462 | { | |
463 | if (!BIO_should_retry(b)) break; | |
464 | last=b; | |
465 | b=b->next_bio; | |
466 | if (b == NULL) break; | |
467 | } | |
468 | if (reason != NULL) *reason=last->retry_reason; | |
469 | return(last); | |
470 | } | |
471 | ||
6b691a5c | 472 | int BIO_get_retry_reason(BIO *bio) |
d02b48c6 RE |
473 | { |
474 | return(bio->retry_reason); | |
475 | } | |
476 | ||
6b691a5c | 477 | BIO *BIO_find_type(BIO *bio, int type) |
d02b48c6 RE |
478 | { |
479 | int mt,mask; | |
480 | ||
f50c11ca | 481 | if(!bio) return NULL; |
d02b48c6 RE |
482 | mask=type&0xff; |
483 | do { | |
484 | if (bio->method != NULL) | |
485 | { | |
486 | mt=bio->method->type; | |
487 | ||
488 | if (!mask) | |
489 | { | |
490 | if (mt & type) return(bio); | |
491 | } | |
492 | else if (mt == type) | |
493 | return(bio); | |
494 | } | |
495 | bio=bio->next_bio; | |
496 | } while (bio != NULL); | |
497 | return(NULL); | |
498 | } | |
499 | ||
cfd3bb17 DSH |
500 | BIO *BIO_next(BIO *b) |
501 | { | |
502 | if(!b) return NULL; | |
503 | return b->next_bio; | |
504 | } | |
505 | ||
6b691a5c | 506 | void BIO_free_all(BIO *bio) |
d02b48c6 RE |
507 | { |
508 | BIO *b; | |
509 | int ref; | |
510 | ||
511 | while (bio != NULL) | |
512 | { | |
513 | b=bio; | |
514 | ref=b->references; | |
515 | bio=bio->next_bio; | |
516 | BIO_free(b); | |
517 | /* Since ref count > 1, don't free anyone else. */ | |
518 | if (ref > 1) break; | |
519 | } | |
520 | } | |
521 | ||
6b691a5c | 522 | BIO *BIO_dup_chain(BIO *in) |
d02b48c6 | 523 | { |
9eba5614 | 524 | BIO *ret=NULL,*eoc=NULL,*bio,*new_bio; |
d02b48c6 RE |
525 | |
526 | for (bio=in; bio != NULL; bio=bio->next_bio) | |
527 | { | |
9eba5614 AP |
528 | if ((new_bio=BIO_new(bio->method)) == NULL) goto err; |
529 | new_bio->callback=bio->callback; | |
530 | new_bio->cb_arg=bio->cb_arg; | |
531 | new_bio->init=bio->init; | |
532 | new_bio->shutdown=bio->shutdown; | |
533 | new_bio->flags=bio->flags; | |
d02b48c6 RE |
534 | |
535 | /* This will let SSL_s_sock() work with stdin/stdout */ | |
9eba5614 | 536 | new_bio->num=bio->num; |
d02b48c6 | 537 | |
9eba5614 | 538 | if (!BIO_dup_state(bio,(char *)new_bio)) |
d02b48c6 | 539 | { |
9eba5614 | 540 | BIO_free(new_bio); |
d02b48c6 RE |
541 | goto err; |
542 | } | |
58964a49 | 543 | |
b1c4fe36 | 544 | /* copy app data */ |
9eba5614 | 545 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data, |
79aa04ef | 546 | &bio->ex_data)) |
b1c4fe36 | 547 | goto err; |
58964a49 | 548 | |
d02b48c6 RE |
549 | if (ret == NULL) |
550 | { | |
9eba5614 | 551 | eoc=new_bio; |
d02b48c6 RE |
552 | ret=eoc; |
553 | } | |
554 | else | |
555 | { | |
9eba5614 AP |
556 | BIO_push(eoc,new_bio); |
557 | eoc=new_bio; | |
d02b48c6 RE |
558 | } |
559 | } | |
560 | return(ret); | |
561 | err: | |
562 | if (ret != NULL) | |
563 | BIO_free(ret); | |
564 | return(NULL); | |
565 | } | |
566 | ||
6b691a5c | 567 | void BIO_copy_next_retry(BIO *b) |
d02b48c6 RE |
568 | { |
569 | BIO_set_flags(b,BIO_get_retry_flags(b->next_bio)); | |
570 | b->retry_reason=b->next_bio->retry_reason; | |
571 | } | |
572 | ||
dd9d233e DSH |
573 | int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, |
574 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | |
b1c4fe36 | 575 | { |
79aa04ef GT |
576 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, argl, argp, |
577 | new_func, dup_func, free_func); | |
b1c4fe36 | 578 | } |
58964a49 | 579 | |
dd9d233e | 580 | int BIO_set_ex_data(BIO *bio, int idx, void *data) |
58964a49 RE |
581 | { |
582 | return(CRYPTO_set_ex_data(&(bio->ex_data),idx,data)); | |
583 | } | |
584 | ||
dd9d233e | 585 | void *BIO_get_ex_data(BIO *bio, int idx) |
58964a49 RE |
586 | { |
587 | return(CRYPTO_get_ex_data(&(bio->ex_data),idx)); | |
588 | } | |
589 | ||
c3ed3b6e DSH |
590 | unsigned long BIO_number_read(BIO *bio) |
591 | { | |
592 | if(bio) return bio->num_read; | |
593 | return 0; | |
594 | } | |
595 | ||
596 | unsigned long BIO_number_written(BIO *bio) | |
597 | { | |
598 | if(bio) return bio->num_write; | |
599 | return 0; | |
600 | } | |
371acb22 BL |
601 | |
602 | IMPLEMENT_STACK_OF(BIO) |