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1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
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. | |
7 | * | |
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). | |
14 | * | |
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. | |
21 | * | |
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 :-). | |
36 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
37 | * the apps directory (application code) you must include an acknowledgement: | |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
39 | * | |
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. | |
51 | * | |
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 <stdlib.h> | |
60 | #include <string.h> | |
61 | #include <errno.h> | |
62 | #include <openssl/crypto.h> | |
63 | #include <openssl/bio.h> | |
64 | #include <openssl/err.h> | |
65 | #include "ssl_locl.h" | |
66 | ||
67 | static int ssl_write(BIO *h, const char *buf, int num); | |
68 | static int ssl_read(BIO *h, char *buf, int size); | |
69 | static int ssl_puts(BIO *h, const char *str); | |
70 | static long ssl_ctrl(BIO *h, int cmd, long arg1, void *arg2); | |
71 | static int ssl_new(BIO *h); | |
72 | static int ssl_free(BIO *data); | |
73 | static long ssl_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp); | |
74 | typedef struct bio_ssl_st { | |
75 | SSL *ssl; /* The ssl handle :-) */ | |
76 | /* re-negotiate every time the total number of bytes is this size */ | |
77 | int num_renegotiates; | |
78 | unsigned long renegotiate_count; | |
79 | unsigned long byte_count; | |
80 | unsigned long renegotiate_timeout; | |
81 | unsigned long last_time; | |
82 | } BIO_SSL; | |
83 | ||
84 | static BIO_METHOD methods_sslp = { | |
85 | BIO_TYPE_SSL, "ssl", | |
86 | ssl_write, | |
87 | ssl_read, | |
88 | ssl_puts, | |
89 | NULL, /* ssl_gets, */ | |
90 | ssl_ctrl, | |
91 | ssl_new, | |
92 | ssl_free, | |
93 | ssl_callback_ctrl, | |
94 | }; | |
95 | ||
96 | BIO_METHOD *BIO_f_ssl(void) | |
97 | { | |
98 | return (&methods_sslp); | |
99 | } | |
100 | ||
101 | static int ssl_new(BIO *bi) | |
102 | { | |
103 | BIO_SSL *bs = OPENSSL_zalloc(sizeof(*bs)); | |
104 | ||
105 | if (bs == NULL) { | |
106 | BIOerr(BIO_F_SSL_NEW, ERR_R_MALLOC_FAILURE); | |
107 | return (0); | |
108 | } | |
109 | bi->init = 0; | |
110 | bi->ptr = (char *)bs; | |
111 | bi->flags = 0; | |
112 | return (1); | |
113 | } | |
114 | ||
115 | static int ssl_free(BIO *a) | |
116 | { | |
117 | BIO_SSL *bs; | |
118 | ||
119 | if (a == NULL) | |
120 | return (0); | |
121 | bs = (BIO_SSL *)a->ptr; | |
122 | if (bs->ssl != NULL) | |
123 | SSL_shutdown(bs->ssl); | |
124 | if (a->shutdown) { | |
125 | if (a->init) | |
126 | SSL_free(bs->ssl); | |
127 | a->init = 0; | |
128 | a->flags = 0; | |
129 | } | |
130 | OPENSSL_free(a->ptr); | |
131 | return (1); | |
132 | } | |
133 | ||
134 | static int ssl_read(BIO *b, char *out, int outl) | |
135 | { | |
136 | int ret = 1; | |
137 | BIO_SSL *sb; | |
138 | SSL *ssl; | |
139 | int retry_reason = 0; | |
140 | int r = 0; | |
141 | ||
142 | if (out == NULL) | |
143 | return (0); | |
144 | sb = (BIO_SSL *)b->ptr; | |
145 | ssl = sb->ssl; | |
146 | ||
147 | BIO_clear_retry_flags(b); | |
148 | ||
149 | ret = SSL_read(ssl, out, outl); | |
150 | ||
151 | switch (SSL_get_error(ssl, ret)) { | |
152 | case SSL_ERROR_NONE: | |
153 | if (ret <= 0) | |
154 | break; | |
155 | if (sb->renegotiate_count > 0) { | |
156 | sb->byte_count += ret; | |
157 | if (sb->byte_count > sb->renegotiate_count) { | |
158 | sb->byte_count = 0; | |
159 | sb->num_renegotiates++; | |
160 | SSL_renegotiate(ssl); | |
161 | r = 1; | |
162 | } | |
163 | } | |
164 | if ((sb->renegotiate_timeout > 0) && (!r)) { | |
165 | unsigned long tm; | |
166 | ||
167 | tm = (unsigned long)time(NULL); | |
168 | if (tm > sb->last_time + sb->renegotiate_timeout) { | |
169 | sb->last_time = tm; | |
170 | sb->num_renegotiates++; | |
171 | SSL_renegotiate(ssl); | |
172 | } | |
173 | } | |
174 | ||
175 | break; | |
176 | case SSL_ERROR_WANT_READ: | |
177 | BIO_set_retry_read(b); | |
178 | break; | |
179 | case SSL_ERROR_WANT_WRITE: | |
180 | BIO_set_retry_write(b); | |
181 | break; | |
182 | case SSL_ERROR_WANT_X509_LOOKUP: | |
183 | BIO_set_retry_special(b); | |
184 | retry_reason = BIO_RR_SSL_X509_LOOKUP; | |
185 | break; | |
186 | case SSL_ERROR_WANT_ACCEPT: | |
187 | BIO_set_retry_special(b); | |
188 | retry_reason = BIO_RR_ACCEPT; | |
189 | break; | |
190 | case SSL_ERROR_WANT_CONNECT: | |
191 | BIO_set_retry_special(b); | |
192 | retry_reason = BIO_RR_CONNECT; | |
193 | break; | |
194 | case SSL_ERROR_SYSCALL: | |
195 | case SSL_ERROR_SSL: | |
196 | case SSL_ERROR_ZERO_RETURN: | |
197 | default: | |
198 | break; | |
199 | } | |
200 | ||
201 | b->retry_reason = retry_reason; | |
202 | return (ret); | |
203 | } | |
204 | ||
205 | static int ssl_write(BIO *b, const char *out, int outl) | |
206 | { | |
207 | int ret, r = 0; | |
208 | int retry_reason = 0; | |
209 | SSL *ssl; | |
210 | BIO_SSL *bs; | |
211 | ||
212 | if (out == NULL) | |
213 | return (0); | |
214 | bs = (BIO_SSL *)b->ptr; | |
215 | ssl = bs->ssl; | |
216 | ||
217 | BIO_clear_retry_flags(b); | |
218 | ||
219 | /* | |
220 | * ret=SSL_do_handshake(ssl); if (ret > 0) | |
221 | */ | |
222 | ret = SSL_write(ssl, out, outl); | |
223 | ||
224 | switch (SSL_get_error(ssl, ret)) { | |
225 | case SSL_ERROR_NONE: | |
226 | if (ret <= 0) | |
227 | break; | |
228 | if (bs->renegotiate_count > 0) { | |
229 | bs->byte_count += ret; | |
230 | if (bs->byte_count > bs->renegotiate_count) { | |
231 | bs->byte_count = 0; | |
232 | bs->num_renegotiates++; | |
233 | SSL_renegotiate(ssl); | |
234 | r = 1; | |
235 | } | |
236 | } | |
237 | if ((bs->renegotiate_timeout > 0) && (!r)) { | |
238 | unsigned long tm; | |
239 | ||
240 | tm = (unsigned long)time(NULL); | |
241 | if (tm > bs->last_time + bs->renegotiate_timeout) { | |
242 | bs->last_time = tm; | |
243 | bs->num_renegotiates++; | |
244 | SSL_renegotiate(ssl); | |
245 | } | |
246 | } | |
247 | break; | |
248 | case SSL_ERROR_WANT_WRITE: | |
249 | BIO_set_retry_write(b); | |
250 | break; | |
251 | case SSL_ERROR_WANT_READ: | |
252 | BIO_set_retry_read(b); | |
253 | break; | |
254 | case SSL_ERROR_WANT_X509_LOOKUP: | |
255 | BIO_set_retry_special(b); | |
256 | retry_reason = BIO_RR_SSL_X509_LOOKUP; | |
257 | break; | |
258 | case SSL_ERROR_WANT_CONNECT: | |
259 | BIO_set_retry_special(b); | |
260 | retry_reason = BIO_RR_CONNECT; | |
261 | case SSL_ERROR_SYSCALL: | |
262 | case SSL_ERROR_SSL: | |
263 | default: | |
264 | break; | |
265 | } | |
266 | ||
267 | b->retry_reason = retry_reason; | |
268 | return (ret); | |
269 | } | |
270 | ||
271 | static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr) | |
272 | { | |
273 | SSL **sslp, *ssl; | |
274 | BIO_SSL *bs; | |
275 | BIO *dbio, *bio; | |
276 | long ret = 1; | |
277 | ||
278 | bs = (BIO_SSL *)b->ptr; | |
279 | ssl = bs->ssl; | |
280 | if ((ssl == NULL) && (cmd != BIO_C_SET_SSL)) | |
281 | return (0); | |
282 | switch (cmd) { | |
283 | case BIO_CTRL_RESET: | |
284 | SSL_shutdown(ssl); | |
285 | ||
286 | if (ssl->handshake_func == ssl->method->ssl_connect) | |
287 | SSL_set_connect_state(ssl); | |
288 | else if (ssl->handshake_func == ssl->method->ssl_accept) | |
289 | SSL_set_accept_state(ssl); | |
290 | ||
291 | if (!SSL_clear(ssl)) { | |
292 | ret = 0; | |
293 | break; | |
294 | } | |
295 | ||
296 | if (b->next_bio != NULL) | |
297 | ret = BIO_ctrl(b->next_bio, cmd, num, ptr); | |
298 | else if (ssl->rbio != NULL) | |
299 | ret = BIO_ctrl(ssl->rbio, cmd, num, ptr); | |
300 | else | |
301 | ret = 1; | |
302 | break; | |
303 | case BIO_CTRL_INFO: | |
304 | ret = 0; | |
305 | break; | |
306 | case BIO_C_SSL_MODE: | |
307 | if (num) /* client mode */ | |
308 | SSL_set_connect_state(ssl); | |
309 | else | |
310 | SSL_set_accept_state(ssl); | |
311 | break; | |
312 | case BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT: | |
313 | ret = bs->renegotiate_timeout; | |
314 | if (num < 60) | |
315 | num = 5; | |
316 | bs->renegotiate_timeout = (unsigned long)num; | |
317 | bs->last_time = (unsigned long)time(NULL); | |
318 | break; | |
319 | case BIO_C_SET_SSL_RENEGOTIATE_BYTES: | |
320 | ret = bs->renegotiate_count; | |
321 | if ((long)num >= 512) | |
322 | bs->renegotiate_count = (unsigned long)num; | |
323 | break; | |
324 | case BIO_C_GET_SSL_NUM_RENEGOTIATES: | |
325 | ret = bs->num_renegotiates; | |
326 | break; | |
327 | case BIO_C_SET_SSL: | |
328 | if (ssl != NULL) { | |
329 | ssl_free(b); | |
330 | if (!ssl_new(b)) | |
331 | return 0; | |
332 | } | |
333 | b->shutdown = (int)num; | |
334 | ssl = (SSL *)ptr; | |
335 | ((BIO_SSL *)b->ptr)->ssl = ssl; | |
336 | bio = SSL_get_rbio(ssl); | |
337 | if (bio != NULL) { | |
338 | if (b->next_bio != NULL) | |
339 | BIO_push(bio, b->next_bio); | |
340 | b->next_bio = bio; | |
341 | BIO_up_ref(bio); | |
342 | } | |
343 | b->init = 1; | |
344 | break; | |
345 | case BIO_C_GET_SSL: | |
346 | if (ptr != NULL) { | |
347 | sslp = (SSL **)ptr; | |
348 | *sslp = ssl; | |
349 | } else | |
350 | ret = 0; | |
351 | break; | |
352 | case BIO_CTRL_GET_CLOSE: | |
353 | ret = b->shutdown; | |
354 | break; | |
355 | case BIO_CTRL_SET_CLOSE: | |
356 | b->shutdown = (int)num; | |
357 | break; | |
358 | case BIO_CTRL_WPENDING: | |
359 | ret = BIO_ctrl(ssl->wbio, cmd, num, ptr); | |
360 | break; | |
361 | case BIO_CTRL_PENDING: | |
362 | ret = SSL_pending(ssl); | |
363 | if (ret == 0) | |
364 | ret = BIO_pending(ssl->rbio); | |
365 | break; | |
366 | case BIO_CTRL_FLUSH: | |
367 | BIO_clear_retry_flags(b); | |
368 | ret = BIO_ctrl(ssl->wbio, cmd, num, ptr); | |
369 | BIO_copy_next_retry(b); | |
370 | break; | |
371 | case BIO_CTRL_PUSH: | |
372 | if ((b->next_bio != NULL) && (b->next_bio != ssl->rbio)) { | |
373 | SSL_set_bio(ssl, b->next_bio, b->next_bio); | |
374 | BIO_up_ref(b); | |
375 | } | |
376 | break; | |
377 | case BIO_CTRL_POP: | |
378 | /* Only detach if we are the BIO explicitly being popped */ | |
379 | if (b == ptr) { | |
380 | /* | |
381 | * Shouldn't happen in practice because the rbio and wbio are the | |
382 | * same when pushed. | |
383 | */ | |
384 | if (ssl->rbio != ssl->wbio) | |
385 | BIO_free_all(ssl->wbio); | |
386 | if (b->next_bio != NULL) | |
387 | BIO_free(b->next_bio); | |
388 | ssl->wbio = NULL; | |
389 | ssl->rbio = NULL; | |
390 | } | |
391 | break; | |
392 | case BIO_C_DO_STATE_MACHINE: | |
393 | BIO_clear_retry_flags(b); | |
394 | ||
395 | b->retry_reason = 0; | |
396 | ret = (int)SSL_do_handshake(ssl); | |
397 | ||
398 | switch (SSL_get_error(ssl, (int)ret)) { | |
399 | case SSL_ERROR_WANT_READ: | |
400 | BIO_set_flags(b, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY); | |
401 | break; | |
402 | case SSL_ERROR_WANT_WRITE: | |
403 | BIO_set_flags(b, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY); | |
404 | break; | |
405 | case SSL_ERROR_WANT_CONNECT: | |
406 | BIO_set_flags(b, BIO_FLAGS_IO_SPECIAL | BIO_FLAGS_SHOULD_RETRY); | |
407 | b->retry_reason = b->next_bio->retry_reason; | |
408 | break; | |
409 | case SSL_ERROR_WANT_X509_LOOKUP: | |
410 | BIO_set_retry_special(b); | |
411 | b->retry_reason = BIO_RR_SSL_X509_LOOKUP; | |
412 | break; | |
413 | default: | |
414 | break; | |
415 | } | |
416 | break; | |
417 | case BIO_CTRL_DUP: | |
418 | dbio = (BIO *)ptr; | |
419 | SSL_free(((BIO_SSL *)dbio->ptr)->ssl); | |
420 | ((BIO_SSL *)dbio->ptr)->ssl = SSL_dup(ssl); | |
421 | ((BIO_SSL *)dbio->ptr)->renegotiate_count = | |
422 | ((BIO_SSL *)b->ptr)->renegotiate_count; | |
423 | ((BIO_SSL *)dbio->ptr)->byte_count = ((BIO_SSL *)b->ptr)->byte_count; | |
424 | ((BIO_SSL *)dbio->ptr)->renegotiate_timeout = | |
425 | ((BIO_SSL *)b->ptr)->renegotiate_timeout; | |
426 | ((BIO_SSL *)dbio->ptr)->last_time = ((BIO_SSL *)b->ptr)->last_time; | |
427 | ret = (((BIO_SSL *)dbio->ptr)->ssl != NULL); | |
428 | break; | |
429 | case BIO_C_GET_FD: | |
430 | ret = BIO_ctrl(ssl->rbio, cmd, num, ptr); | |
431 | break; | |
432 | case BIO_CTRL_SET_CALLBACK: | |
433 | { | |
434 | #if 0 /* FIXME: Should this be used? -- Richard | |
435 | * Levitte */ | |
436 | SSLerr(SSL_F_SSL_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
437 | ret = -1; | |
438 | #else | |
439 | ret = 0; | |
440 | #endif | |
441 | } | |
442 | break; | |
443 | case BIO_CTRL_GET_CALLBACK: | |
444 | { | |
445 | void (**fptr) (const SSL *xssl, int type, int val); | |
446 | ||
447 | fptr = (void (**)(const SSL *xssl, int type, int val))ptr; | |
448 | *fptr = SSL_get_info_callback(ssl); | |
449 | } | |
450 | break; | |
451 | default: | |
452 | ret = BIO_ctrl(ssl->rbio, cmd, num, ptr); | |
453 | break; | |
454 | } | |
455 | return (ret); | |
456 | } | |
457 | ||
458 | static long ssl_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) | |
459 | { | |
460 | SSL *ssl; | |
461 | BIO_SSL *bs; | |
462 | long ret = 1; | |
463 | ||
464 | bs = (BIO_SSL *)b->ptr; | |
465 | ssl = bs->ssl; | |
466 | switch (cmd) { | |
467 | case BIO_CTRL_SET_CALLBACK: | |
468 | { | |
469 | /* | |
470 | * FIXME: setting this via a completely different prototype seems | |
471 | * like a crap idea | |
472 | */ | |
473 | SSL_set_info_callback(ssl, (void (*)(const SSL *, int, int))fp); | |
474 | } | |
475 | break; | |
476 | default: | |
477 | ret = BIO_callback_ctrl(ssl->rbio, cmd, fp); | |
478 | break; | |
479 | } | |
480 | return (ret); | |
481 | } | |
482 | ||
483 | static int ssl_puts(BIO *bp, const char *str) | |
484 | { | |
485 | int n, ret; | |
486 | ||
487 | n = strlen(str); | |
488 | ret = BIO_write(bp, str, n); | |
489 | return (ret); | |
490 | } | |
491 | ||
492 | BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx) | |
493 | { | |
494 | #ifndef OPENSSL_NO_SOCK | |
495 | BIO *ret = NULL, *buf = NULL, *ssl = NULL; | |
496 | ||
497 | if ((buf = BIO_new(BIO_f_buffer())) == NULL) | |
498 | return (NULL); | |
499 | if ((ssl = BIO_new_ssl_connect(ctx)) == NULL) | |
500 | goto err; | |
501 | if ((ret = BIO_push(buf, ssl)) == NULL) | |
502 | goto err; | |
503 | return (ret); | |
504 | err: | |
505 | BIO_free(buf); | |
506 | BIO_free(ssl); | |
507 | #endif | |
508 | return (NULL); | |
509 | } | |
510 | ||
511 | BIO *BIO_new_ssl_connect(SSL_CTX *ctx) | |
512 | { | |
513 | #ifndef OPENSSL_NO_SOCK | |
514 | BIO *ret = NULL, *con = NULL, *ssl = NULL; | |
515 | ||
516 | if ((con = BIO_new(BIO_s_connect())) == NULL) | |
517 | return (NULL); | |
518 | if ((ssl = BIO_new_ssl(ctx, 1)) == NULL) | |
519 | goto err; | |
520 | if ((ret = BIO_push(ssl, con)) == NULL) | |
521 | goto err; | |
522 | return (ret); | |
523 | err: | |
524 | BIO_free(con); | |
525 | #endif | |
526 | return (NULL); | |
527 | } | |
528 | ||
529 | BIO *BIO_new_ssl(SSL_CTX *ctx, int client) | |
530 | { | |
531 | BIO *ret; | |
532 | SSL *ssl; | |
533 | ||
534 | if ((ret = BIO_new(BIO_f_ssl())) == NULL) | |
535 | return (NULL); | |
536 | if ((ssl = SSL_new(ctx)) == NULL) { | |
537 | BIO_free(ret); | |
538 | return (NULL); | |
539 | } | |
540 | if (client) | |
541 | SSL_set_connect_state(ssl); | |
542 | else | |
543 | SSL_set_accept_state(ssl); | |
544 | ||
545 | BIO_set_ssl(ret, ssl, BIO_CLOSE); | |
546 | return (ret); | |
547 | } | |
548 | ||
549 | int BIO_ssl_copy_session_id(BIO *t, BIO *f) | |
550 | { | |
551 | t = BIO_find_type(t, BIO_TYPE_SSL); | |
552 | f = BIO_find_type(f, BIO_TYPE_SSL); | |
553 | if ((t == NULL) || (f == NULL)) | |
554 | return (0); | |
555 | if ((((BIO_SSL *)t->ptr)->ssl == NULL) || | |
556 | (((BIO_SSL *)f->ptr)->ssl == NULL)) | |
557 | return (0); | |
558 | if (!SSL_copy_session_id(((BIO_SSL *)t->ptr)->ssl, ((BIO_SSL *)f->ptr)->ssl)) | |
559 | return 0; | |
560 | return (1); | |
561 | } | |
562 | ||
563 | void BIO_ssl_shutdown(BIO *b) | |
564 | { | |
565 | SSL *s; | |
566 | ||
567 | while (b != NULL) { | |
568 | if (b->method->type == BIO_TYPE_SSL) { | |
569 | s = ((BIO_SSL *)b->ptr)->ssl; | |
570 | SSL_shutdown(s); | |
571 | break; | |
572 | } | |
573 | b = b->next_bio; | |
574 | } | |
575 | } |