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-rw-r--r--src/lib/libssl/ssl_lib.c2061
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diff --git a/src/lib/libssl/ssl_lib.c b/src/lib/libssl/ssl_lib.c
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1/*! \file ssl/ssl_lib.c
2 * \brief Version independent SSL functions.
3 */
4/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * All rights reserved.
6 *
7 * This package is an SSL implementation written
8 * by Eric Young (eay@cryptsoft.com).
9 * The implementation was written so as to conform with Netscapes SSL.
10 *
11 * This library is free for commercial and non-commercial use as long as
12 * the following conditions are aheared to. The following conditions
13 * apply to all code found in this distribution, be it the RC4, RSA,
14 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
15 * included with this distribution is covered by the same copyright terms
16 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
17 *
18 * Copyright remains Eric Young's, and as such any Copyright notices in
19 * the code are not to be removed.
20 * If this package is used in a product, Eric Young should be given attribution
21 * as the author of the parts of the library used.
22 * This can be in the form of a textual message at program startup or
23 * in documentation (online or textual) provided with the package.
24 *
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
27 * are met:
28 * 1. Redistributions of source code must retain the copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. All advertising materials mentioning features or use of this software
34 * must display the following acknowledgement:
35 * "This product includes cryptographic software written by
36 * Eric Young (eay@cryptsoft.com)"
37 * The word 'cryptographic' can be left out if the rouines from the library
38 * being used are not cryptographic related :-).
39 * 4. If you include any Windows specific code (or a derivative thereof) from
40 * the apps directory (application code) you must include an acknowledgement:
41 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
42 *
43 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * SUCH DAMAGE.
54 *
55 * The licence and distribution terms for any publically available version or
56 * derivative of this code cannot be changed. i.e. this code cannot simply be
57 * copied and put under another distribution licence
58 * [including the GNU Public Licence.]
59 */
60
61#include <stdio.h>
62#include <openssl/objects.h>
63#include <openssl/lhash.h>
64#include <openssl/x509v3.h>
65#include "ssl_locl.h"
66
67const char *SSL_version_str=OPENSSL_VERSION_TEXT;
68
69static STACK_OF(CRYPTO_EX_DATA_FUNCS) *ssl_meth=NULL;
70static STACK_OF(CRYPTO_EX_DATA_FUNCS) *ssl_ctx_meth=NULL;
71static int ssl_meth_num=0;
72static int ssl_ctx_meth_num=0;
73
74OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={
75 /* evil casts, but these functions are only called if there's a library bug */
76 (int (*)(SSL *,int))ssl_undefined_function,
77 (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
78 ssl_undefined_function,
79 (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
80 (int (*)(SSL*, int))ssl_undefined_function,
81 (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function
82 };
83
84int SSL_clear(SSL *s)
85 {
86 int state;
87
88 if (s->method == NULL)
89 {
90 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
91 return(0);
92 }
93
94 s->error=0;
95 s->hit=0;
96 s->shutdown=0;
97
98#if 0 /* Disabled since version 1.10 of this file (early return not
99 * needed because SSL_clear is not called when doing renegotiation) */
100 /* This is set if we are doing dynamic renegotiation so keep
101 * the old cipher. It is sort of a SSL_clear_lite :-) */
102 if (s->new_session) return(1);
103#else
104 if (s->new_session)
105 {
106 SSLerr(SSL_F_SSL_CLEAR,SSL_R_INTERNAL_ERROR);
107 return 0;
108 }
109#endif
110
111 state=s->state; /* Keep to check if we throw away the session-id */
112 s->type=0;
113
114 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
115
116 s->version=s->method->version;
117 s->client_version=s->version;
118 s->rwstate=SSL_NOTHING;
119 s->rstate=SSL_ST_READ_HEADER;
120 s->read_ahead=s->ctx->read_ahead;
121
122 if (s->init_buf != NULL)
123 {
124 BUF_MEM_free(s->init_buf);
125 s->init_buf=NULL;
126 }
127
128 ssl_clear_cipher_ctx(s);
129
130 if (ssl_clear_bad_session(s))
131 {
132 SSL_SESSION_free(s->session);
133 s->session=NULL;
134 }
135
136 s->first_packet=0;
137
138#if 1
139 /* Check to see if we were changed into a different method, if
140 * so, revert back if we are not doing session-id reuse. */
141 if ((s->session == NULL) && (s->method != s->ctx->method))
142 {
143 s->method->ssl_free(s);
144 s->method=s->ctx->method;
145 if (!s->method->ssl_new(s))
146 return(0);
147 }
148 else
149#endif
150 s->method->ssl_clear(s);
151 return(1);
152 }
153
154/** Used to change an SSL_CTXs default SSL method type */
155int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
156 {
157 STACK_OF(SSL_CIPHER) *sk;
158
159 ctx->method=meth;
160
161 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
162 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
163 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
164 {
165 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
166 return(0);
167 }
168 return(1);
169 }
170
171SSL *SSL_new(SSL_CTX *ctx)
172 {
173 SSL *s;
174
175 if (ctx == NULL)
176 {
177 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
178 return(NULL);
179 }
180 if (ctx->method == NULL)
181 {
182 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
183 return(NULL);
184 }
185
186 s=(SSL *)Malloc(sizeof(SSL));
187 if (s == NULL) goto err;
188 memset(s,0,sizeof(SSL));
189
190 if (ctx->cert != NULL)
191 {
192 /* Earlier library versions used to copy the pointer to
193 * the CERT, not its contents; only when setting new
194 * parameters for the per-SSL copy, ssl_cert_new would be
195 * called (and the direct reference to the per-SSL_CTX
196 * settings would be lost, but those still were indirectly
197 * accessed for various purposes, and for that reason they
198 * used to be known as s->ctx->default_cert).
199 * Now we don't look at the SSL_CTX's CERT after having
200 * duplicated it once. */
201
202 s->cert = ssl_cert_dup(ctx->cert);
203 if (s->cert == NULL)
204 goto err;
205 }
206 else
207 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
208 s->sid_ctx_length=ctx->sid_ctx_length;
209 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
210 s->verify_mode=ctx->verify_mode;
211 s->verify_depth=ctx->verify_depth;
212 s->verify_callback=ctx->default_verify_callback;
213 s->purpose = ctx->purpose;
214 s->trust = ctx->trust;
215 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
216 s->ctx=ctx;
217
218 s->verify_result=X509_V_OK;
219
220 s->method=ctx->method;
221
222 if (!s->method->ssl_new(s))
223 goto err;
224
225 s->quiet_shutdown=ctx->quiet_shutdown;
226 s->references=1;
227 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
228 s->options=ctx->options;
229 s->mode=ctx->mode;
230 SSL_clear(s);
231
232 CRYPTO_new_ex_data(ssl_meth,s,&s->ex_data);
233
234 return(s);
235err:
236 if (s != NULL)
237 {
238 if (s->cert != NULL)
239 ssl_cert_free(s->cert);
240 if (s->ctx != NULL)
241 SSL_CTX_free(s->ctx); /* decrement reference count */
242 Free(s);
243 }
244 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
245 return(NULL);
246 }
247
248int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
249 unsigned int sid_ctx_len)
250 {
251 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
252 {
253 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
254 return 0;
255 }
256 ctx->sid_ctx_length=sid_ctx_len;
257 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
258
259 return 1;
260 }
261
262int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
263 unsigned int sid_ctx_len)
264 {
265 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
266 {
267 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
268 return 0;
269 }
270 ssl->sid_ctx_length=sid_ctx_len;
271 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
272
273 return 1;
274 }
275
276int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
277{
278 if(X509_PURPOSE_get_by_id(purpose) == -1) {
279 SSLerr(SSL_F_SSL_CTX_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
280 return 0;
281 }
282 s->purpose = purpose;
283 return 1;
284}
285
286int SSL_set_purpose(SSL *s, int purpose)
287{
288 if(X509_PURPOSE_get_by_id(purpose) == -1) {
289 SSLerr(SSL_F_SSL_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
290 return 0;
291 }
292 s->purpose = purpose;
293 return 1;
294}
295
296int SSL_CTX_set_trust(SSL_CTX *s, int trust)
297{
298 if(X509_TRUST_get_by_id(trust) == -1) {
299 SSLerr(SSL_F_SSL_CTX_SET_TRUST, SSL_R_INVALID_TRUST);
300 return 0;
301 }
302 s->trust = trust;
303 return 1;
304}
305
306int SSL_set_trust(SSL *s, int trust)
307{
308 if(X509_TRUST_get_by_id(trust) == -1) {
309 SSLerr(SSL_F_SSL_SET_TRUST, SSL_R_INVALID_TRUST);
310 return 0;
311 }
312 s->trust = trust;
313 return 1;
314}
315
316void SSL_free(SSL *s)
317 {
318 int i;
319
320 if(s == NULL)
321 return;
322
323 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
324#ifdef REF_PRINT
325 REF_PRINT("SSL",s);
326#endif
327 if (i > 0) return;
328#ifdef REF_CHECK
329 if (i < 0)
330 {
331 fprintf(stderr,"SSL_free, bad reference count\n");
332 abort(); /* ok */
333 }
334#endif
335
336 CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data);
337
338 if (s->bbio != NULL)
339 {
340 /* If the buffering BIO is in place, pop it off */
341 if (s->bbio == s->wbio)
342 {
343 s->wbio=BIO_pop(s->wbio);
344 }
345 BIO_free(s->bbio);
346 s->bbio=NULL;
347 }
348 if (s->rbio != NULL)
349 BIO_free_all(s->rbio);
350 if ((s->wbio != NULL) && (s->wbio != s->rbio))
351 BIO_free_all(s->wbio);
352
353 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
354
355 /* add extra stuff */
356 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
357 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
358
359 /* Make the next call work :-) */
360 if (s->session != NULL)
361 {
362 ssl_clear_bad_session(s);
363 SSL_SESSION_free(s->session);
364 }
365
366 ssl_clear_cipher_ctx(s);
367
368 if (s->cert != NULL) ssl_cert_free(s->cert);
369 /* Free up if allocated */
370
371 if (s->ctx) SSL_CTX_free(s->ctx);
372
373 if (s->client_CA != NULL)
374 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
375
376 if (s->method != NULL) s->method->ssl_free(s);
377
378 Free(s);
379 }
380
381void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
382 {
383 /* If the output buffering BIO is still in place, remove it
384 */
385 if (s->bbio != NULL)
386 {
387 if (s->wbio == s->bbio)
388 {
389 s->wbio=s->wbio->next_bio;
390 s->bbio->next_bio=NULL;
391 }
392 }
393 if ((s->rbio != NULL) && (s->rbio != rbio))
394 BIO_free_all(s->rbio);
395 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
396 BIO_free_all(s->wbio);
397 s->rbio=rbio;
398 s->wbio=wbio;
399 }
400
401BIO *SSL_get_rbio(SSL *s)
402 { return(s->rbio); }
403
404BIO *SSL_get_wbio(SSL *s)
405 { return(s->wbio); }
406
407int SSL_get_fd(SSL *s)
408 {
409 int ret= -1;
410 BIO *b,*r;
411
412 b=SSL_get_rbio(s);
413 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
414 if (r != NULL)
415 BIO_get_fd(r,&ret);
416 return(ret);
417 }
418
419#ifndef NO_SOCK
420int SSL_set_fd(SSL *s,int fd)
421 {
422 int ret=0;
423 BIO *bio=NULL;
424
425 bio=BIO_new(BIO_s_socket());
426
427 if (bio == NULL)
428 {
429 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
430 goto err;
431 }
432 BIO_set_fd(bio,fd,BIO_NOCLOSE);
433 SSL_set_bio(s,bio,bio);
434 ret=1;
435err:
436 return(ret);
437 }
438
439int SSL_set_wfd(SSL *s,int fd)
440 {
441 int ret=0;
442 BIO *bio=NULL;
443
444 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
445 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
446 {
447 bio=BIO_new(BIO_s_socket());
448
449 if (bio == NULL)
450 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
451 BIO_set_fd(bio,fd,BIO_NOCLOSE);
452 SSL_set_bio(s,SSL_get_rbio(s),bio);
453 }
454 else
455 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
456 ret=1;
457err:
458 return(ret);
459 }
460
461int SSL_set_rfd(SSL *s,int fd)
462 {
463 int ret=0;
464 BIO *bio=NULL;
465
466 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
467 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
468 {
469 bio=BIO_new(BIO_s_socket());
470
471 if (bio == NULL)
472 {
473 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
474 goto err;
475 }
476 BIO_set_fd(bio,fd,BIO_NOCLOSE);
477 SSL_set_bio(s,bio,SSL_get_wbio(s));
478 }
479 else
480 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
481 ret=1;
482err:
483 return(ret);
484 }
485#endif
486
487
488/* return length of latest Finished message we sent, copy to 'buf' */
489size_t SSL_get_finished(SSL *s, void *buf, size_t count)
490 {
491 size_t ret = 0;
492
493 if (s->s3 != NULL)
494 {
495 ret = s->s3->tmp.finish_md_len;
496 if (count > ret)
497 count = ret;
498 memcpy(buf, s->s3->tmp.finish_md, count);
499 }
500 return ret;
501 }
502
503/* return length of latest Finished message we expected, copy to 'buf' */
504size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
505 {
506 size_t ret = 0;
507
508 if (s->s3 != NULL)
509 {
510 ret = s->s3->tmp.peer_finish_md_len;
511 if (count > ret)
512 count = ret;
513 memcpy(buf, s->s3->tmp.peer_finish_md, count);
514 }
515 return ret;
516 }
517
518
519int SSL_get_verify_mode(SSL *s)
520 {
521 return(s->verify_mode);
522 }
523
524int SSL_get_verify_depth(SSL *s)
525 {
526 return(s->verify_depth);
527 }
528
529int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
530 {
531 return(s->verify_callback);
532 }
533
534int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
535 {
536 return(ctx->verify_mode);
537 }
538
539int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
540 {
541 return(ctx->verify_depth);
542 }
543
544int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
545 {
546 return(ctx->default_verify_callback);
547 }
548
549void SSL_set_verify(SSL *s,int mode,
550 int (*callback)(int ok,X509_STORE_CTX *ctx))
551 {
552 s->verify_mode=mode;
553 if (callback != NULL)
554 s->verify_callback=callback;
555 }
556
557void SSL_set_verify_depth(SSL *s,int depth)
558 {
559 s->verify_depth=depth;
560 }
561
562void SSL_set_read_ahead(SSL *s,int yes)
563 {
564 s->read_ahead=yes;
565 }
566
567int SSL_get_read_ahead(SSL *s)
568 {
569 return(s->read_ahead);
570 }
571
572int SSL_pending(SSL *s)
573 {
574 return(s->method->ssl_pending(s));
575 }
576
577X509 *SSL_get_peer_certificate(SSL *s)
578 {
579 X509 *r;
580
581 if ((s == NULL) || (s->session == NULL))
582 r=NULL;
583 else
584 r=s->session->peer;
585
586 if (r == NULL) return(r);
587
588 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
589
590 return(r);
591 }
592
593STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
594 {
595 STACK_OF(X509) *r;
596
597 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
598 r=NULL;
599 else
600 r=s->session->sess_cert->cert_chain;
601
602 /* If we are a client, cert_chain includes the peer's own
603 * certificate; if we are a server, it does not. */
604
605 return(r);
606 }
607
608/* Now in theory, since the calling process own 't' it should be safe to
609 * modify. We need to be able to read f without being hassled */
610void SSL_copy_session_id(SSL *t,SSL *f)
611 {
612 CERT *tmp;
613
614 /* Do we need to to SSL locking? */
615 SSL_set_session(t,SSL_get_session(f));
616
617 /* what if we are setup as SSLv2 but want to talk SSLv3 or
618 * vice-versa */
619 if (t->method != f->method)
620 {
621 t->method->ssl_free(t); /* cleanup current */
622 t->method=f->method; /* change method */
623 t->method->ssl_new(t); /* setup new */
624 }
625
626 tmp=t->cert;
627 if (f->cert != NULL)
628 {
629 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
630 t->cert=f->cert;
631 }
632 else
633 t->cert=NULL;
634 if (tmp != NULL) ssl_cert_free(tmp);
635 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
636 }
637
638/* Fix this so it checks all the valid key/cert options */
639int SSL_CTX_check_private_key(SSL_CTX *ctx)
640 {
641 if ( (ctx == NULL) ||
642 (ctx->cert == NULL) ||
643 (ctx->cert->key->x509 == NULL))
644 {
645 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
646 return(0);
647 }
648 if (ctx->cert->key->privatekey == NULL)
649 {
650 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
651 return(0);
652 }
653 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
654 }
655
656/* Fix this function so that it takes an optional type parameter */
657int SSL_check_private_key(SSL *ssl)
658 {
659 if (ssl == NULL)
660 {
661 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
662 return(0);
663 }
664 if (ssl->cert == NULL)
665 {
666 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
667 return 0;
668 }
669 if (ssl->cert->key->x509 == NULL)
670 {
671 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
672 return(0);
673 }
674 if (ssl->cert->key->privatekey == NULL)
675 {
676 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
677 return(0);
678 }
679 return(X509_check_private_key(ssl->cert->key->x509,
680 ssl->cert->key->privatekey));
681 }
682
683int SSL_accept(SSL *s)
684 {
685 if (s->handshake_func == 0)
686 /* Not properly initialized yet */
687 SSL_set_accept_state(s);
688
689 return(s->method->ssl_accept(s));
690 }
691
692int SSL_connect(SSL *s)
693 {
694 if (s->handshake_func == 0)
695 /* Not properly initialized yet */
696 SSL_set_connect_state(s);
697
698 return(s->method->ssl_connect(s));
699 }
700
701long SSL_get_default_timeout(SSL *s)
702 {
703 return(s->method->get_timeout());
704 }
705
706int SSL_read(SSL *s,char *buf,int num)
707 {
708 if (s->handshake_func == 0)
709 {
710 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
711 return -1;
712 }
713
714 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
715 {
716 s->rwstate=SSL_NOTHING;
717 return(0);
718 }
719 return(s->method->ssl_read(s,buf,num));
720 }
721
722int SSL_peek(SSL *s,char *buf,int num)
723 {
724 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
725 {
726 return(0);
727 }
728 return(s->method->ssl_peek(s,buf,num));
729 }
730
731int SSL_write(SSL *s,const char *buf,int num)
732 {
733 if (s->handshake_func == 0)
734 {
735 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
736 return -1;
737 }
738
739 if (s->shutdown & SSL_SENT_SHUTDOWN)
740 {
741 s->rwstate=SSL_NOTHING;
742 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
743 return(-1);
744 }
745 return(s->method->ssl_write(s,buf,num));
746 }
747
748int SSL_shutdown(SSL *s)
749 {
750 /* Note that this function behaves differently from what one might
751 * expect. Return values are 0 for no success (yet),
752 * 1 for success; but calling it once is usually not enough,
753 * even if blocking I/O is used (see ssl3_shutdown).
754 */
755
756 if (s->handshake_func == 0)
757 {
758 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
759 return -1;
760 }
761
762 if ((s != NULL) && !SSL_in_init(s))
763 return(s->method->ssl_shutdown(s));
764 else
765 return(1);
766 }
767
768int SSL_renegotiate(SSL *s)
769 {
770 s->new_session=1;
771 return(s->method->ssl_renegotiate(s));
772 }
773
774long SSL_ctrl(SSL *s,int cmd,long larg,char *parg)
775 {
776 long l;
777
778 switch (cmd)
779 {
780 case SSL_CTRL_GET_READ_AHEAD:
781 return(s->read_ahead);
782 case SSL_CTRL_SET_READ_AHEAD:
783 l=s->read_ahead;
784 s->read_ahead=larg;
785 return(l);
786 case SSL_CTRL_OPTIONS:
787 return(s->options|=larg);
788 case SSL_CTRL_MODE:
789 return(s->mode|=larg);
790 default:
791 return(s->method->ssl_ctrl(s,cmd,larg,parg));
792 }
793 }
794
795long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
796 {
797 switch(cmd)
798 {
799 default:
800 return(s->method->ssl_callback_ctrl(s,cmd,fp));
801 }
802 }
803
804struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
805 {
806 return ctx->sessions;
807 }
808
809long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg)
810 {
811 long l;
812
813 switch (cmd)
814 {
815 case SSL_CTRL_GET_READ_AHEAD:
816 return(ctx->read_ahead);
817 case SSL_CTRL_SET_READ_AHEAD:
818 l=ctx->read_ahead;
819 ctx->read_ahead=larg;
820 return(l);
821
822 case SSL_CTRL_SET_SESS_CACHE_SIZE:
823 l=ctx->session_cache_size;
824 ctx->session_cache_size=larg;
825 return(l);
826 case SSL_CTRL_GET_SESS_CACHE_SIZE:
827 return(ctx->session_cache_size);
828 case SSL_CTRL_SET_SESS_CACHE_MODE:
829 l=ctx->session_cache_mode;
830 ctx->session_cache_mode=larg;
831 return(l);
832 case SSL_CTRL_GET_SESS_CACHE_MODE:
833 return(ctx->session_cache_mode);
834
835 case SSL_CTRL_SESS_NUMBER:
836 return(ctx->sessions->num_items);
837 case SSL_CTRL_SESS_CONNECT:
838 return(ctx->stats.sess_connect);
839 case SSL_CTRL_SESS_CONNECT_GOOD:
840 return(ctx->stats.sess_connect_good);
841 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
842 return(ctx->stats.sess_connect_renegotiate);
843 case SSL_CTRL_SESS_ACCEPT:
844 return(ctx->stats.sess_accept);
845 case SSL_CTRL_SESS_ACCEPT_GOOD:
846 return(ctx->stats.sess_accept_good);
847 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
848 return(ctx->stats.sess_accept_renegotiate);
849 case SSL_CTRL_SESS_HIT:
850 return(ctx->stats.sess_hit);
851 case SSL_CTRL_SESS_CB_HIT:
852 return(ctx->stats.sess_cb_hit);
853 case SSL_CTRL_SESS_MISSES:
854 return(ctx->stats.sess_miss);
855 case SSL_CTRL_SESS_TIMEOUTS:
856 return(ctx->stats.sess_timeout);
857 case SSL_CTRL_SESS_CACHE_FULL:
858 return(ctx->stats.sess_cache_full);
859 case SSL_CTRL_OPTIONS:
860 return(ctx->options|=larg);
861 case SSL_CTRL_MODE:
862 return(ctx->mode|=larg);
863 default:
864 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
865 }
866 }
867
868long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
869 {
870 switch(cmd)
871 {
872 default:
873 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
874 }
875 }
876
877int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b)
878 {
879 long l;
880
881 l=a->id-b->id;
882 if (l == 0L)
883 return(0);
884 else
885 return((l > 0)?1:-1);
886 }
887
888int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp)
889 {
890 long l;
891
892 l=(*ap)->id-(*bp)->id;
893 if (l == 0L)
894 return(0);
895 else
896 return((l > 0)?1:-1);
897 }
898
899/** return a STACK of the ciphers available for the SSL and in order of
900 * preference */
901STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
902 {
903 if ((s != NULL) && (s->cipher_list != NULL))
904 {
905 return(s->cipher_list);
906 }
907 else if ((s->ctx != NULL) &&
908 (s->ctx->cipher_list != NULL))
909 {
910 return(s->ctx->cipher_list);
911 }
912 return(NULL);
913 }
914
915/** return a STACK of the ciphers available for the SSL and in order of
916 * algorithm id */
917STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
918 {
919 if ((s != NULL) && (s->cipher_list_by_id != NULL))
920 {
921 return(s->cipher_list_by_id);
922 }
923 else if ((s != NULL) && (s->ctx != NULL) &&
924 (s->ctx->cipher_list_by_id != NULL))
925 {
926 return(s->ctx->cipher_list_by_id);
927 }
928 return(NULL);
929 }
930
931/** The old interface to get the same thing as SSL_get_ciphers() */
932const char *SSL_get_cipher_list(SSL *s,int n)
933 {
934 SSL_CIPHER *c;
935 STACK_OF(SSL_CIPHER) *sk;
936
937 if (s == NULL) return(NULL);
938 sk=SSL_get_ciphers(s);
939 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
940 return(NULL);
941 c=sk_SSL_CIPHER_value(sk,n);
942 if (c == NULL) return(NULL);
943 return(c->name);
944 }
945
946/** specify the ciphers to be used by default by the SSL_CTX */
947int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
948 {
949 STACK_OF(SSL_CIPHER) *sk;
950
951 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
952 &ctx->cipher_list_by_id,str);
953/* XXXX */
954 return((sk == NULL)?0:1);
955 }
956
957/** specify the ciphers to be used by the SSL */
958int SSL_set_cipher_list(SSL *s,const char *str)
959 {
960 STACK_OF(SSL_CIPHER) *sk;
961
962 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
963 &s->cipher_list_by_id,str);
964/* XXXX */
965 return((sk == NULL)?0:1);
966 }
967
968/* works well for SSLv2, not so good for SSLv3 */
969char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
970 {
971 char *p;
972 const char *cp;
973 STACK_OF(SSL_CIPHER) *sk;
974 SSL_CIPHER *c;
975 int i;
976
977 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
978 (len < 2))
979 return(NULL);
980
981 p=buf;
982 sk=s->session->ciphers;
983 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
984 {
985 /* Decrement for either the ':' or a '\0' */
986 len--;
987 c=sk_SSL_CIPHER_value(sk,i);
988 for (cp=c->name; *cp; )
989 {
990 if (len-- == 0)
991 {
992 *p='\0';
993 return(buf);
994 }
995 else
996 *(p++)= *(cp++);
997 }
998 *(p++)=':';
999 }
1000 p[-1]='\0';
1001 return(buf);
1002 }
1003
1004int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
1005 {
1006 int i,j=0;
1007 SSL_CIPHER *c;
1008 unsigned char *q;
1009
1010 if (sk == NULL) return(0);
1011 q=p;
1012
1013 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1014 {
1015 c=sk_SSL_CIPHER_value(sk,i);
1016 j=ssl_put_cipher_by_char(s,c,p);
1017 p+=j;
1018 }
1019 return(p-q);
1020 }
1021
1022STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1023 STACK_OF(SSL_CIPHER) **skp)
1024 {
1025 SSL_CIPHER *c;
1026 STACK_OF(SSL_CIPHER) *sk;
1027 int i,n;
1028
1029 n=ssl_put_cipher_by_char(s,NULL,NULL);
1030 if ((num%n) != 0)
1031 {
1032 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1033 return(NULL);
1034 }
1035 if ((skp == NULL) || (*skp == NULL))
1036 sk=sk_SSL_CIPHER_new(NULL); /* change perhaps later */
1037 else
1038 {
1039 sk= *skp;
1040 sk_SSL_CIPHER_zero(sk);
1041 }
1042
1043 for (i=0; i<num; i+=n)
1044 {
1045 c=ssl_get_cipher_by_char(s,p);
1046 p+=n;
1047 if (c != NULL)
1048 {
1049 if (!sk_SSL_CIPHER_push(sk,c))
1050 {
1051 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1052 goto err;
1053 }
1054 }
1055 }
1056
1057 if (skp != NULL)
1058 *skp=sk;
1059 return(sk);
1060err:
1061 if ((skp == NULL) || (*skp == NULL))
1062 sk_SSL_CIPHER_free(sk);
1063 return(NULL);
1064 }
1065
1066unsigned long SSL_SESSION_hash(SSL_SESSION *a)
1067 {
1068 unsigned long l;
1069
1070 l=(unsigned long)
1071 ((unsigned int) a->session_id[0] )|
1072 ((unsigned int) a->session_id[1]<< 8L)|
1073 ((unsigned long)a->session_id[2]<<16L)|
1074 ((unsigned long)a->session_id[3]<<24L);
1075 return(l);
1076 }
1077
1078int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
1079 {
1080 if (a->ssl_version != b->ssl_version)
1081 return(1);
1082 if (a->session_id_length != b->session_id_length)
1083 return(1);
1084 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1085 }
1086
1087SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
1088 {
1089 SSL_CTX *ret=NULL;
1090
1091 if (meth == NULL)
1092 {
1093 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1094 return(NULL);
1095 }
1096
1097 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1098 {
1099 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1100 goto err;
1101 }
1102 ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX));
1103 if (ret == NULL)
1104 goto err;
1105
1106 memset(ret,0,sizeof(SSL_CTX));
1107
1108 ret->method=meth;
1109
1110 ret->cert_store=NULL;
1111 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1112 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1113 ret->session_cache_head=NULL;
1114 ret->session_cache_tail=NULL;
1115
1116 /* We take the system default */
1117 ret->session_timeout=meth->get_timeout();
1118
1119 ret->new_session_cb=NULL;
1120 ret->remove_session_cb=NULL;
1121 ret->get_session_cb=NULL;
1122
1123 memset((char *)&ret->stats,0,sizeof(ret->stats));
1124
1125 ret->references=1;
1126 ret->quiet_shutdown=0;
1127
1128/* ret->cipher=NULL;*/
1129/* ret->s2->challenge=NULL;
1130 ret->master_key=NULL;
1131 ret->key_arg=NULL;
1132 ret->s2->conn_id=NULL; */
1133
1134 ret->info_callback=NULL;
1135
1136 ret->app_verify_callback=NULL;
1137 ret->app_verify_arg=NULL;
1138
1139 ret->read_ahead=0;
1140 ret->verify_mode=SSL_VERIFY_NONE;
1141 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1142 ret->default_verify_callback=NULL;
1143 if ((ret->cert=ssl_cert_new()) == NULL)
1144 goto err;
1145
1146 ret->default_passwd_callback=NULL;
1147 ret->default_passwd_callback_userdata=NULL;
1148 ret->client_cert_cb=NULL;
1149
1150 ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp);
1151 if (ret->sessions == NULL) goto err;
1152 ret->cert_store=X509_STORE_new();
1153 if (ret->cert_store == NULL) goto err;
1154
1155 ssl_create_cipher_list(ret->method,
1156 &ret->cipher_list,&ret->cipher_list_by_id,
1157 SSL_DEFAULT_CIPHER_LIST);
1158 if (ret->cipher_list == NULL
1159 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1160 {
1161 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1162 goto err2;
1163 }
1164
1165 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1166 {
1167 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1168 goto err2;
1169 }
1170 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1171 {
1172 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1173 goto err2;
1174 }
1175 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1176 {
1177 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1178 goto err2;
1179 }
1180
1181 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1182 goto err;
1183
1184 CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data);
1185
1186 ret->extra_certs=NULL;
1187 ret->comp_methods=SSL_COMP_get_compression_methods();
1188
1189 return(ret);
1190err:
1191 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1192err2:
1193 if (ret != NULL) SSL_CTX_free(ret);
1194 return(NULL);
1195 }
1196
1197static void SSL_COMP_free(SSL_COMP *comp)
1198 { Free(comp); }
1199
1200void SSL_CTX_free(SSL_CTX *a)
1201 {
1202 int i;
1203
1204 if (a == NULL) return;
1205
1206 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1207#ifdef REF_PRINT
1208 REF_PRINT("SSL_CTX",a);
1209#endif
1210 if (i > 0) return;
1211#ifdef REF_CHECK
1212 if (i < 0)
1213 {
1214 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1215 abort(); /* ok */
1216 }
1217#endif
1218 CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data);
1219
1220 if (a->sessions != NULL)
1221 {
1222 SSL_CTX_flush_sessions(a,0);
1223 lh_free(a->sessions);
1224 }
1225 if (a->cert_store != NULL)
1226 X509_STORE_free(a->cert_store);
1227 if (a->cipher_list != NULL)
1228 sk_SSL_CIPHER_free(a->cipher_list);
1229 if (a->cipher_list_by_id != NULL)
1230 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1231 if (a->cert != NULL)
1232 ssl_cert_free(a->cert);
1233 if (a->client_CA != NULL)
1234 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1235 if (a->extra_certs != NULL)
1236 sk_X509_pop_free(a->extra_certs,X509_free);
1237 if (a->comp_methods != NULL)
1238 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1239 Free(a);
1240 }
1241
1242void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1243 {
1244 ctx->default_passwd_callback=cb;
1245 }
1246
1247void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1248 {
1249 ctx->default_passwd_callback_userdata=u;
1250 }
1251
1252void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg)
1253 {
1254 /* now
1255 * int (*cb)(X509_STORE_CTX *),
1256 * but should be
1257 * int (*cb)(X509_STORE_CTX *, void *arg)
1258 */
1259 ctx->app_verify_callback=cb;
1260 ctx->app_verify_arg=arg; /* never used */
1261 }
1262
1263void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1264 {
1265 ctx->verify_mode=mode;
1266 ctx->default_verify_callback=cb;
1267 /* This needs cleaning up EAY EAY EAY */
1268 X509_STORE_set_verify_cb_func(ctx->cert_store,cb);
1269 }
1270
1271void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1272 {
1273 ctx->verify_depth=depth;
1274 }
1275
1276void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1277 {
1278 CERT_PKEY *cpk;
1279 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1280 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1281 int rsa_tmp_export,dh_tmp_export,kl;
1282 unsigned long mask,emask;
1283
1284 if (c == NULL) return;
1285
1286 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1287
1288#ifndef NO_RSA
1289 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1290 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1291 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1292#else
1293 rsa_tmp=rsa_tmp_export=0;
1294#endif
1295#ifndef NO_DH
1296 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1297 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1298 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1299#else
1300 dh_tmp=dh_tmp_export=0;
1301#endif
1302
1303 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1304 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1305 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1306 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1307 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1308 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1309 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1310 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1311 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1312 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1313 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1314/* FIX THIS EAY EAY EAY */
1315 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1316 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1317
1318 mask=0;
1319 emask=0;
1320
1321#ifdef CIPHER_DEBUG
1322 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1323 rsa_tmp,rsa_tmp_export,dh_tmp,
1324 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1325#endif
1326
1327 if (rsa_enc || (rsa_tmp && rsa_sign))
1328 mask|=SSL_kRSA;
1329 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1330 emask|=SSL_kRSA;
1331
1332#if 0
1333 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1334 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1335 (rsa_enc || rsa_sign || dsa_sign))
1336 mask|=SSL_kEDH;
1337 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1338 (rsa_enc || rsa_sign || dsa_sign))
1339 emask|=SSL_kEDH;
1340#endif
1341
1342 if (dh_tmp_export)
1343 emask|=SSL_kEDH;
1344
1345 if (dh_tmp)
1346 mask|=SSL_kEDH;
1347
1348 if (dh_rsa) mask|=SSL_kDHr;
1349 if (dh_rsa_export) emask|=SSL_kDHr;
1350
1351 if (dh_dsa) mask|=SSL_kDHd;
1352 if (dh_dsa_export) emask|=SSL_kDHd;
1353
1354 if (rsa_enc || rsa_sign)
1355 {
1356 mask|=SSL_aRSA;
1357 emask|=SSL_aRSA;
1358 }
1359
1360 if (dsa_sign)
1361 {
1362 mask|=SSL_aDSS;
1363 emask|=SSL_aDSS;
1364 }
1365
1366 mask|=SSL_aNULL;
1367 emask|=SSL_aNULL;
1368
1369 c->mask=mask;
1370 c->export_mask=emask;
1371 c->valid=1;
1372 }
1373
1374/* THIS NEEDS CLEANING UP */
1375X509 *ssl_get_server_send_cert(SSL *s)
1376 {
1377 unsigned long alg,mask,kalg;
1378 CERT *c;
1379 int i,is_export;
1380
1381 c=s->cert;
1382 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1383 alg=s->s3->tmp.new_cipher->algorithms;
1384 is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1385 mask=is_export?c->export_mask:c->mask;
1386 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1387
1388 if (kalg & SSL_kDHr)
1389 i=SSL_PKEY_DH_RSA;
1390 else if (kalg & SSL_kDHd)
1391 i=SSL_PKEY_DH_DSA;
1392 else if (kalg & SSL_aDSS)
1393 i=SSL_PKEY_DSA_SIGN;
1394 else if (kalg & SSL_aRSA)
1395 {
1396 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1397 i=SSL_PKEY_RSA_SIGN;
1398 else
1399 i=SSL_PKEY_RSA_ENC;
1400 }
1401 else /* if (kalg & SSL_aNULL) */
1402 {
1403 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR);
1404 return(NULL);
1405 }
1406 if (c->pkeys[i].x509 == NULL) return(NULL);
1407 return(c->pkeys[i].x509);
1408 }
1409
1410EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1411 {
1412 unsigned long alg;
1413 CERT *c;
1414
1415 alg=cipher->algorithms;
1416 c=s->cert;
1417
1418 if ((alg & SSL_aDSS) &&
1419 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1420 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1421 else if (alg & SSL_aRSA)
1422 {
1423 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1424 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1425 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1426 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1427 else
1428 return(NULL);
1429 }
1430 else /* if (alg & SSL_aNULL) */
1431 {
1432 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR);
1433 return(NULL);
1434 }
1435 }
1436
1437void ssl_update_cache(SSL *s,int mode)
1438 {
1439 int i;
1440
1441 /* If the session_id_length is 0, we are not supposed to cache it,
1442 * and it would be rather hard to do anyway :-) */
1443 if (s->session->session_id_length == 0) return;
1444
1445 if ((s->ctx->session_cache_mode & mode)
1446 && (!s->hit)
1447 && SSL_CTX_add_session(s->ctx,s->session)
1448 && (s->ctx->new_session_cb != NULL))
1449 {
1450 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1451 if (!s->ctx->new_session_cb(s,s->session))
1452 SSL_SESSION_free(s->session);
1453 }
1454
1455 /* auto flush every 255 connections */
1456 i=s->ctx->session_cache_mode;
1457 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1458 ((i & mode) == mode))
1459 {
1460 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1461 ?s->ctx->stats.sess_connect_good
1462 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1463 {
1464 SSL_CTX_flush_sessions(s->ctx,time(NULL));
1465 }
1466 }
1467 }
1468
1469SSL_METHOD *SSL_get_ssl_method(SSL *s)
1470 {
1471 return(s->method);
1472 }
1473
1474int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1475 {
1476 int conn= -1;
1477 int ret=1;
1478
1479 if (s->method != meth)
1480 {
1481 if (s->handshake_func != NULL)
1482 conn=(s->handshake_func == s->method->ssl_connect);
1483
1484 if (s->method->version == meth->version)
1485 s->method=meth;
1486 else
1487 {
1488 s->method->ssl_free(s);
1489 s->method=meth;
1490 ret=s->method->ssl_new(s);
1491 }
1492
1493 if (conn == 1)
1494 s->handshake_func=meth->ssl_connect;
1495 else if (conn == 0)
1496 s->handshake_func=meth->ssl_accept;
1497 }
1498 return(ret);
1499 }
1500
1501int SSL_get_error(SSL *s,int i)
1502 {
1503 int reason;
1504 unsigned long l;
1505 BIO *bio;
1506
1507 if (i > 0) return(SSL_ERROR_NONE);
1508
1509 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1510 * etc, where we do encode the error */
1511 if ((l=ERR_peek_error()) != 0)
1512 {
1513 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1514 return(SSL_ERROR_SYSCALL);
1515 else
1516 return(SSL_ERROR_SSL);
1517 }
1518
1519 if ((i < 0) && SSL_want_read(s))
1520 {
1521 bio=SSL_get_rbio(s);
1522 if (BIO_should_read(bio))
1523 return(SSL_ERROR_WANT_READ);
1524 else if (BIO_should_write(bio))
1525 /* This one doesn't make too much sense ... We never try
1526 * to write to the rbio, and an application program where
1527 * rbio and wbio are separate couldn't even know what it
1528 * should wait for.
1529 * However if we ever set s->rwstate incorrectly
1530 * (so that we have SSL_want_read(s) instead of
1531 * SSL_want_write(s)) and rbio and wbio *are* the same,
1532 * this test works around that bug; so it might be safer
1533 * to keep it. */
1534 return(SSL_ERROR_WANT_WRITE);
1535 else if (BIO_should_io_special(bio))
1536 {
1537 reason=BIO_get_retry_reason(bio);
1538 if (reason == BIO_RR_CONNECT)
1539 return(SSL_ERROR_WANT_CONNECT);
1540 else
1541 return(SSL_ERROR_SYSCALL); /* unknown */
1542 }
1543 }
1544
1545 if ((i < 0) && SSL_want_write(s))
1546 {
1547 bio=SSL_get_wbio(s);
1548 if (BIO_should_write(bio))
1549 return(SSL_ERROR_WANT_WRITE);
1550 else if (BIO_should_read(bio))
1551 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
1552 return(SSL_ERROR_WANT_READ);
1553 else if (BIO_should_io_special(bio))
1554 {
1555 reason=BIO_get_retry_reason(bio);
1556 if (reason == BIO_RR_CONNECT)
1557 return(SSL_ERROR_WANT_CONNECT);
1558 else
1559 return(SSL_ERROR_SYSCALL);
1560 }
1561 }
1562 if ((i < 0) && SSL_want_x509_lookup(s))
1563 {
1564 return(SSL_ERROR_WANT_X509_LOOKUP);
1565 }
1566
1567 if (i == 0)
1568 {
1569 if (s->version == SSL2_VERSION)
1570 {
1571 /* assume it is the socket being closed */
1572 return(SSL_ERROR_ZERO_RETURN);
1573 }
1574 else
1575 {
1576 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1577 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1578 return(SSL_ERROR_ZERO_RETURN);
1579 }
1580 }
1581 return(SSL_ERROR_SYSCALL);
1582 }
1583
1584int SSL_do_handshake(SSL *s)
1585 {
1586 int ret=1;
1587
1588 if (s->handshake_func == NULL)
1589 {
1590 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1591 return(-1);
1592 }
1593
1594 s->method->ssl_renegotiate_check(s);
1595
1596 if (SSL_in_init(s) || SSL_in_before(s))
1597 {
1598 ret=s->handshake_func(s);
1599 }
1600 return(ret);
1601 }
1602
1603/* For the next 2 functions, SSL_clear() sets shutdown and so
1604 * one of these calls will reset it */
1605void SSL_set_accept_state(SSL *s)
1606 {
1607 s->server=1;
1608 s->shutdown=0;
1609 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1610 s->handshake_func=s->method->ssl_accept;
1611 /* clear the current cipher */
1612 ssl_clear_cipher_ctx(s);
1613 }
1614
1615void SSL_set_connect_state(SSL *s)
1616 {
1617 s->server=0;
1618 s->shutdown=0;
1619 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1620 s->handshake_func=s->method->ssl_connect;
1621 /* clear the current cipher */
1622 ssl_clear_cipher_ctx(s);
1623 }
1624
1625int ssl_undefined_function(SSL *s)
1626 {
1627 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1628 return(0);
1629 }
1630
1631SSL_METHOD *ssl_bad_method(int ver)
1632 {
1633 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1634 return(NULL);
1635 }
1636
1637const char *SSL_get_version(SSL *s)
1638 {
1639 if (s->version == TLS1_VERSION)
1640 return("TLSv1");
1641 else if (s->version == SSL3_VERSION)
1642 return("SSLv3");
1643 else if (s->version == SSL2_VERSION)
1644 return("SSLv2");
1645 else
1646 return("unknown");
1647 }
1648
1649SSL *SSL_dup(SSL *s)
1650 {
1651 STACK_OF(X509_NAME) *sk;
1652 X509_NAME *xn;
1653 SSL *ret;
1654 int i;
1655
1656 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
1657 return(NULL);
1658
1659 if (s->session != NULL)
1660 {
1661 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
1662 SSL_copy_session_id(ret,s);
1663 }
1664 else
1665 {
1666 /* No session has been established yet, so we have to expect
1667 * that s->cert or ret->cert will be changed later --
1668 * they should not both point to the same object,
1669 * and thus we can't use SSL_copy_session_id. */
1670
1671 ret->method = s->method;
1672 ret->method->ssl_new(ret);
1673
1674 if (s->cert != NULL)
1675 {
1676 ret->cert = ssl_cert_dup(s->cert);
1677 if (ret->cert == NULL)
1678 goto err;
1679 }
1680
1681 SSL_set_session_id_context(ret,
1682 s->sid_ctx, s->sid_ctx_length);
1683 }
1684
1685 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
1686 SSL_set_verify(ret,SSL_get_verify_mode(s),
1687 SSL_get_verify_callback(s));
1688 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
1689
1690 SSL_set_info_callback(ret,SSL_get_info_callback(s));
1691
1692 ret->debug=s->debug;
1693 ret->options=s->options;
1694
1695 /* copy app data, a little dangerous perhaps */
1696 if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data))
1697 goto err;
1698
1699 /* setup rbio, and wbio */
1700 if (s->rbio != NULL)
1701 {
1702 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
1703 goto err;
1704 }
1705 if (s->wbio != NULL)
1706 {
1707 if (s->wbio != s->rbio)
1708 {
1709 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
1710 goto err;
1711 }
1712 else
1713 ret->wbio=ret->rbio;
1714 }
1715
1716 /* dup the cipher_list and cipher_list_by_id stacks */
1717 if (s->cipher_list != NULL)
1718 {
1719 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
1720 goto err;
1721 }
1722 if (s->cipher_list_by_id != NULL)
1723 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
1724 == NULL)
1725 goto err;
1726
1727 /* Dup the client_CA list */
1728 if (s->client_CA != NULL)
1729 {
1730 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
1731 ret->client_CA=sk;
1732 for (i=0; i<sk_X509_NAME_num(sk); i++)
1733 {
1734 xn=sk_X509_NAME_value(sk,i);
1735 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
1736 {
1737 X509_NAME_free(xn);
1738 goto err;
1739 }
1740 }
1741 }
1742
1743 ret->shutdown=s->shutdown;
1744 ret->state=s->state;
1745 ret->handshake_func=s->handshake_func;
1746 ret->server=s->server;
1747
1748 if (0)
1749 {
1750err:
1751 if (ret != NULL) SSL_free(ret);
1752 ret=NULL;
1753 }
1754 return(ret);
1755 }
1756
1757void ssl_clear_cipher_ctx(SSL *s)
1758 {
1759 if (s->enc_read_ctx != NULL)
1760 {
1761 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
1762 Free(s->enc_read_ctx);
1763 s->enc_read_ctx=NULL;
1764 }
1765 if (s->enc_write_ctx != NULL)
1766 {
1767 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
1768 Free(s->enc_write_ctx);
1769 s->enc_write_ctx=NULL;
1770 }
1771 if (s->expand != NULL)
1772 {
1773 COMP_CTX_free(s->expand);
1774 s->expand=NULL;
1775 }
1776 if (s->compress != NULL)
1777 {
1778 COMP_CTX_free(s->compress);
1779 s->compress=NULL;
1780 }
1781 }
1782
1783/* Fix this function so that it takes an optional type parameter */
1784X509 *SSL_get_certificate(SSL *s)
1785 {
1786 if (s->cert != NULL)
1787 return(s->cert->key->x509);
1788 else
1789 return(NULL);
1790 }
1791
1792/* Fix this function so that it takes an optional type parameter */
1793EVP_PKEY *SSL_get_privatekey(SSL *s)
1794 {
1795 if (s->cert != NULL)
1796 return(s->cert->key->privatekey);
1797 else
1798 return(NULL);
1799 }
1800
1801SSL_CIPHER *SSL_get_current_cipher(SSL *s)
1802 {
1803 if ((s->session != NULL) && (s->session->cipher != NULL))
1804 return(s->session->cipher);
1805 return(NULL);
1806 }
1807
1808int ssl_init_wbio_buffer(SSL *s,int push)
1809 {
1810 BIO *bbio;
1811
1812 if (s->bbio == NULL)
1813 {
1814 bbio=BIO_new(BIO_f_buffer());
1815 if (bbio == NULL) return(0);
1816 s->bbio=bbio;
1817 }
1818 else
1819 {
1820 bbio=s->bbio;
1821 if (s->bbio == s->wbio)
1822 s->wbio=BIO_pop(s->wbio);
1823 }
1824 (void)BIO_reset(bbio);
1825/* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
1826 if (!BIO_set_read_buffer_size(bbio,1))
1827 {
1828 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
1829 return(0);
1830 }
1831 if (push)
1832 {
1833 if (s->wbio != bbio)
1834 s->wbio=BIO_push(bbio,s->wbio);
1835 }
1836 else
1837 {
1838 if (s->wbio == bbio)
1839 s->wbio=BIO_pop(bbio);
1840 }
1841 return(1);
1842 }
1843
1844void ssl_free_wbio_buffer(SSL *s)
1845 {
1846 BIO *under;
1847
1848 if (s->bbio == NULL) return;
1849
1850 if (s->bbio == s->wbio)
1851 {
1852 /* remove buffering */
1853 under=BIO_pop(s->wbio);
1854 if (under != NULL)
1855 s->wbio=under;
1856 else
1857 abort(); /* ok */
1858 }
1859 BIO_free(s->bbio);
1860 s->bbio=NULL;
1861 }
1862
1863void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
1864 {
1865 ctx->quiet_shutdown=mode;
1866 }
1867
1868int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
1869 {
1870 return(ctx->quiet_shutdown);
1871 }
1872
1873void SSL_set_quiet_shutdown(SSL *s,int mode)
1874 {
1875 s->quiet_shutdown=mode;
1876 }
1877
1878int SSL_get_quiet_shutdown(SSL *s)
1879 {
1880 return(s->quiet_shutdown);
1881 }
1882
1883void SSL_set_shutdown(SSL *s,int mode)
1884 {
1885 s->shutdown=mode;
1886 }
1887
1888int SSL_get_shutdown(SSL *s)
1889 {
1890 return(s->shutdown);
1891 }
1892
1893int SSL_version(SSL *s)
1894 {
1895 return(s->version);
1896 }
1897
1898SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
1899 {
1900 return(ssl->ctx);
1901 }
1902
1903#ifndef NO_STDIO
1904int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
1905 {
1906 return(X509_STORE_set_default_paths(ctx->cert_store));
1907 }
1908
1909int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1910 const char *CApath)
1911 {
1912 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
1913 }
1914#endif
1915
1916void SSL_set_info_callback(SSL *ssl,void (*cb)())
1917 {
1918 ssl->info_callback=cb;
1919 }
1920
1921void (*SSL_get_info_callback(SSL *ssl))(void)
1922 {
1923 return((void (*)())ssl->info_callback);
1924 }
1925
1926int SSL_state(SSL *ssl)
1927 {
1928 return(ssl->state);
1929 }
1930
1931void SSL_set_verify_result(SSL *ssl,long arg)
1932 {
1933 ssl->verify_result=arg;
1934 }
1935
1936long SSL_get_verify_result(SSL *ssl)
1937 {
1938 return(ssl->verify_result);
1939 }
1940
1941int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
1942 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
1943 {
1944 ssl_meth_num++;
1945 return(CRYPTO_get_ex_new_index(ssl_meth_num-1,
1946 &ssl_meth,argl,argp,new_func,dup_func,free_func));
1947 }
1948
1949int SSL_set_ex_data(SSL *s,int idx,void *arg)
1950 {
1951 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1952 }
1953
1954void *SSL_get_ex_data(SSL *s,int idx)
1955 {
1956 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1957 }
1958
1959int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
1960 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
1961 {
1962 ssl_ctx_meth_num++;
1963 return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1,
1964 &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func));
1965 }
1966
1967int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
1968 {
1969 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1970 }
1971
1972void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
1973 {
1974 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1975 }
1976
1977int ssl_ok(SSL *s)
1978 {
1979 return(1);
1980 }
1981
1982X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
1983 {
1984 return(ctx->cert_store);
1985 }
1986
1987void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
1988 {
1989 if (ctx->cert_store != NULL)
1990 X509_STORE_free(ctx->cert_store);
1991 ctx->cert_store=store;
1992 }
1993
1994int SSL_want(SSL *s)
1995 {
1996 return(s->rwstate);
1997 }
1998
1999/*!
2000 * \brief Set the callback for generating temporary RSA keys.
2001 * \param ctx the SSL context.
2002 * \param cb the callback
2003 */
2004
2005#ifndef NO_RSA
2006void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2007 int is_export,
2008 int keylength))
2009 {
2010 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2011 }
2012
2013void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2014 int is_export,
2015 int keylength))
2016 {
2017 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2018 }
2019#endif
2020
2021#ifdef DOXYGEN
2022/*!
2023 * \brief The RSA temporary key callback function.
2024 * \param ssl the SSL session.
2025 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2026 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2027 * of the required key in bits.
2028 * \return the temporary RSA key.
2029 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2030 */
2031
2032RSA *cb(SSL *ssl,int is_export,int keylength)
2033 {}
2034#endif
2035
2036/*!
2037 * \brief Set the callback for generating temporary DH keys.
2038 * \param ctx the SSL context.
2039 * \param dh the callback
2040 */
2041
2042#ifndef NO_DH
2043void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2044 int keylength))
2045 {
2046 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2047 }
2048
2049void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2050 int keylength))
2051 {
2052 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2053 }
2054#endif
2055
2056#if defined(_WINDLL) && defined(WIN16)
2057#include "../crypto/bio/bss_file.c"
2058#endif
2059
2060IMPLEMENT_STACK_OF(SSL_CIPHER)
2061IMPLEMENT_STACK_OF(SSL_COMP)
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-05-04 18:05:51 +0000