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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 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
62 *
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
65 * are met:
66 *
67 * 1. Redistributions of source code must retain the above copyright
68 * notice, this list of conditions and the following disclaimer.
69 *
70 * 2. Redistributions in binary form must reproduce the above copyright
71 * notice, this list of conditions and the following disclaimer in
72 * the documentation and/or other materials provided with the
73 * distribution.
74 *
75 * 3. All advertising materials mentioning features or use of this
76 * software must display the following acknowledgment:
77 * "This product includes software developed by the OpenSSL Project
78 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
79 *
80 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
81 * endorse or promote products derived from this software without
82 * prior written permission. For written permission, please contact
83 * openssl-core@openssl.org.
84 *
85 * 5. Products derived from this software may not be called "OpenSSL"
86 * nor may "OpenSSL" appear in their names without prior written
87 * permission of the OpenSSL Project.
88 *
89 * 6. Redistributions of any form whatsoever must retain the following
90 * acknowledgment:
91 * "This product includes software developed by the OpenSSL Project
92 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
93 *
94 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
95 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
97 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
98 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
99 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
100 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
101 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
102 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
103 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
104 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
105 * OF THE POSSIBILITY OF SUCH DAMAGE.
106 * ====================================================================
107 *
108 * This product includes cryptographic software written by Eric Young
109 * (eay@cryptsoft.com). This product includes software written by Tim
110 * Hudson (tjh@cryptsoft.com).
111 *
112 */
113/* ====================================================================
114 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
115 * ECC cipher suite support in OpenSSL originally developed by
116 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
117 */
118
119#ifdef REF_CHECK
120# include <assert.h>
121#endif
122#include <stdio.h>
123#include "ssl_locl.h"
124#include "kssl_lcl.h"
125#include <openssl/objects.h>
126#include <openssl/lhash.h>
127#include <openssl/x509v3.h>
128#include <openssl/rand.h>
129#include <openssl/ocsp.h>
130#ifndef OPENSSL_NO_DH
131#include <openssl/dh.h>
132#endif
133#ifndef OPENSSL_NO_ENGINE
134#include <openssl/engine.h>
135#endif
136
137const char *SSL_version_str=OPENSSL_VERSION_TEXT;
138
139SSL3_ENC_METHOD ssl3_undef_enc_method={
140 /* evil casts, but these functions are only called if there's a library bug */
141 (int (*)(SSL *,int))ssl_undefined_function,
142 (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
143 ssl_undefined_function,
144 (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
145 (int (*)(SSL*, int))ssl_undefined_function,
146 (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function,
147 0, /* finish_mac_length */
148 (int (*)(SSL *, EVP_MD_CTX *, unsigned char *))ssl_undefined_function,
149 NULL, /* client_finished_label */
150 0, /* client_finished_label_len */
151 NULL, /* server_finished_label */
152 0, /* server_finished_label_len */
153 (int (*)(int))ssl_undefined_function
154 };
155
156int SSL_clear(SSL *s)
157 {
158
159 if (s->method == NULL)
160 {
161 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
162 return(0);
163 }
164
165 if (ssl_clear_bad_session(s))
166 {
167 SSL_SESSION_free(s->session);
168 s->session=NULL;
169 }
170
171 s->error=0;
172 s->hit=0;
173 s->shutdown=0;
174
175#if 0 /* Disabled since version 1.10 of this file (early return not
176 * needed because SSL_clear is not called when doing renegotiation) */
177 /* This is set if we are doing dynamic renegotiation so keep
178 * the old cipher. It is sort of a SSL_clear_lite :-) */
179 if (s->new_session) return(1);
180#else
181 if (s->new_session)
182 {
183 SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
184 return 0;
185 }
186#endif
187
188 s->type=0;
189
190 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
191
192 s->version=s->method->version;
193 s->client_version=s->version;
194 s->rwstate=SSL_NOTHING;
195 s->rstate=SSL_ST_READ_HEADER;
196#if 0
197 s->read_ahead=s->ctx->read_ahead;
198#endif
199
200 if (s->init_buf != NULL)
201 {
202 BUF_MEM_free(s->init_buf);
203 s->init_buf=NULL;
204 }
205
206 ssl_clear_cipher_ctx(s);
207
208 s->first_packet=0;
209
210#if 1
211 /* Check to see if we were changed into a different method, if
212 * so, revert back if we are not doing session-id reuse. */
213 if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
214 {
215 s->method->ssl_free(s);
216 s->method=s->ctx->method;
217 if (!s->method->ssl_new(s))
218 return(0);
219 }
220 else
221#endif
222 s->method->ssl_clear(s);
223 return(1);
224 }
225
226/** Used to change an SSL_CTXs default SSL method type */
227int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
228 {
229 STACK_OF(SSL_CIPHER) *sk;
230
231 ctx->method=meth;
232
233 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
234 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
235 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
236 {
237 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
238 return(0);
239 }
240 return(1);
241 }
242
243SSL *SSL_new(SSL_CTX *ctx)
244 {
245 SSL *s;
246
247 if (ctx == NULL)
248 {
249 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
250 return(NULL);
251 }
252 if (ctx->method == NULL)
253 {
254 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
255 return(NULL);
256 }
257
258 s=(SSL *)OPENSSL_malloc(sizeof(SSL));
259 if (s == NULL) goto err;
260 memset(s,0,sizeof(SSL));
261
262#ifndef OPENSSL_NO_KRB5
263 s->kssl_ctx = kssl_ctx_new();
264#endif /* OPENSSL_NO_KRB5 */
265
266 s->options=ctx->options;
267 s->mode=ctx->mode;
268 s->max_cert_list=ctx->max_cert_list;
269
270 if (ctx->cert != NULL)
271 {
272 /* Earlier library versions used to copy the pointer to
273 * the CERT, not its contents; only when setting new
274 * parameters for the per-SSL copy, ssl_cert_new would be
275 * called (and the direct reference to the per-SSL_CTX
276 * settings would be lost, but those still were indirectly
277 * accessed for various purposes, and for that reason they
278 * used to be known as s->ctx->default_cert).
279 * Now we don't look at the SSL_CTX's CERT after having
280 * duplicated it once. */
281
282 s->cert = ssl_cert_dup(ctx->cert);
283 if (s->cert == NULL)
284 goto err;
285 }
286 else
287 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
288
289 s->read_ahead=ctx->read_ahead;
290 s->msg_callback=ctx->msg_callback;
291 s->msg_callback_arg=ctx->msg_callback_arg;
292 s->verify_mode=ctx->verify_mode;
293#if 0
294 s->verify_depth=ctx->verify_depth;
295#endif
296 s->sid_ctx_length=ctx->sid_ctx_length;
297 OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
298 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
299 s->verify_callback=ctx->default_verify_callback;
300 s->generate_session_id=ctx->generate_session_id;
301
302 s->param = X509_VERIFY_PARAM_new();
303 if (!s->param)
304 goto err;
305 X509_VERIFY_PARAM_inherit(s->param, ctx->param);
306#if 0
307 s->purpose = ctx->purpose;
308 s->trust = ctx->trust;
309#endif
310 s->quiet_shutdown=ctx->quiet_shutdown;
311
312 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
313 s->ctx=ctx;
314#ifndef OPENSSL_NO_TLSEXT
315 s->tlsext_debug_cb = 0;
316 s->tlsext_debug_arg = NULL;
317 s->tlsext_ticket_expected = 0;
318 s->tlsext_status_type = -1;
319 s->tlsext_status_expected = 0;
320 s->tlsext_ocsp_ids = NULL;
321 s->tlsext_ocsp_exts = NULL;
322 s->tlsext_ocsp_resp = NULL;
323 s->tlsext_ocsp_resplen = -1;
324 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
325 s->initial_ctx=ctx;
326#endif
327 s->verify_result=X509_V_OK;
328
329 s->method=ctx->method;
330
331 if (!s->method->ssl_new(s))
332 goto err;
333
334 s->references=1;
335 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
336
337 SSL_clear(s);
338
339 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
340
341 return(s);
342err:
343 if (s != NULL)
344 {
345 if (s->cert != NULL)
346 ssl_cert_free(s->cert);
347 if (s->ctx != NULL)
348 SSL_CTX_free(s->ctx); /* decrement reference count */
349 OPENSSL_free(s);
350 }
351 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
352 return(NULL);
353 }
354
355int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
356 unsigned int sid_ctx_len)
357 {
358 if(sid_ctx_len > sizeof ctx->sid_ctx)
359 {
360 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
361 return 0;
362 }
363 ctx->sid_ctx_length=sid_ctx_len;
364 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
365
366 return 1;
367 }
368
369int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
370 unsigned int sid_ctx_len)
371 {
372 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
373 {
374 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
375 return 0;
376 }
377 ssl->sid_ctx_length=sid_ctx_len;
378 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
379
380 return 1;
381 }
382
383int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
384 {
385 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
386 ctx->generate_session_id = cb;
387 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
388 return 1;
389 }
390
391int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
392 {
393 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
394 ssl->generate_session_id = cb;
395 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
396 return 1;
397 }
398
399int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
400 unsigned int id_len)
401 {
402 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
403 * we can "construct" a session to give us the desired check - ie. to
404 * find if there's a session in the hash table that would conflict with
405 * any new session built out of this id/id_len and the ssl_version in
406 * use by this SSL. */
407 SSL_SESSION r, *p;
408
409 if(id_len > sizeof r.session_id)
410 return 0;
411
412 r.ssl_version = ssl->version;
413 r.session_id_length = id_len;
414 memcpy(r.session_id, id, id_len);
415 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
416 * callback is calling us to check the uniqueness of a shorter ID, it
417 * must be compared as a padded-out ID because that is what it will be
418 * converted to when the callback has finished choosing it. */
419 if((r.ssl_version == SSL2_VERSION) &&
420 (id_len < SSL2_SSL_SESSION_ID_LENGTH))
421 {
422 memset(r.session_id + id_len, 0,
423 SSL2_SSL_SESSION_ID_LENGTH - id_len);
424 r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
425 }
426
427 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
428 p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r);
429 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
430 return (p != NULL);
431 }
432
433int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
434 {
435 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
436 }
437
438int SSL_set_purpose(SSL *s, int purpose)
439 {
440 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
441 }
442
443int SSL_CTX_set_trust(SSL_CTX *s, int trust)
444 {
445 return X509_VERIFY_PARAM_set_trust(s->param, trust);
446 }
447
448int SSL_set_trust(SSL *s, int trust)
449 {
450 return X509_VERIFY_PARAM_set_trust(s->param, trust);
451 }
452
453void SSL_free(SSL *s)
454 {
455 int i;
456
457 if(s == NULL)
458 return;
459
460 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
461#ifdef REF_PRINT
462 REF_PRINT("SSL",s);
463#endif
464 if (i > 0) return;
465#ifdef REF_CHECK
466 if (i < 0)
467 {
468 fprintf(stderr,"SSL_free, bad reference count\n");
469 abort(); /* ok */
470 }
471#endif
472
473 if (s->param)
474 X509_VERIFY_PARAM_free(s->param);
475
476 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
477
478 if (s->bbio != NULL)
479 {
480 /* If the buffering BIO is in place, pop it off */
481 if (s->bbio == s->wbio)
482 {
483 s->wbio=BIO_pop(s->wbio);
484 }
485 BIO_free(s->bbio);
486 s->bbio=NULL;
487 }
488 if (s->rbio != NULL)
489 BIO_free_all(s->rbio);
490 if ((s->wbio != NULL) && (s->wbio != s->rbio))
491 BIO_free_all(s->wbio);
492
493 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
494
495 /* add extra stuff */
496 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
497 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
498
499 /* Make the next call work :-) */
500 if (s->session != NULL)
501 {
502 ssl_clear_bad_session(s);
503 SSL_SESSION_free(s->session);
504 }
505
506 ssl_clear_cipher_ctx(s);
507
508 if (s->cert != NULL) ssl_cert_free(s->cert);
509 /* Free up if allocated */
510
511 if (s->ctx) SSL_CTX_free(s->ctx);
512#ifndef OPENSSL_NO_TLSEXT
513 if (s->initial_ctx) SSL_CTX_free(s->initial_ctx);
514 if (s->tlsext_ocsp_exts)
515 sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts,
516 X509_EXTENSION_free);
517 if (s->tlsext_ocsp_ids)
518 sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);
519 if (s->tlsext_ocsp_resp)
520 OPENSSL_free(s->tlsext_ocsp_resp);
521#endif
522 if (s->client_CA != NULL)
523 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
524
525 if (s->method != NULL) s->method->ssl_free(s);
526
527#ifndef OPENSSL_NO_KRB5
528 if (s->kssl_ctx != NULL)
529 kssl_ctx_free(s->kssl_ctx);
530#endif /* OPENSSL_NO_KRB5 */
531
532 OPENSSL_free(s);
533 }
534
535void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
536 {
537 /* If the output buffering BIO is still in place, remove it
538 */
539 if (s->bbio != NULL)
540 {
541 if (s->wbio == s->bbio)
542 {
543 s->wbio=s->wbio->next_bio;
544 s->bbio->next_bio=NULL;
545 }
546 }
547 if ((s->rbio != NULL) && (s->rbio != rbio))
548 BIO_free_all(s->rbio);
549 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
550 BIO_free_all(s->wbio);
551 s->rbio=rbio;
552 s->wbio=wbio;
553 }
554
555BIO *SSL_get_rbio(const SSL *s)
556 { return(s->rbio); }
557
558BIO *SSL_get_wbio(const SSL *s)
559 { return(s->wbio); }
560
561int SSL_get_fd(const SSL *s)
562 {
563 return(SSL_get_rfd(s));
564 }
565
566int SSL_get_rfd(const SSL *s)
567 {
568 int ret= -1;
569 BIO *b,*r;
570
571 b=SSL_get_rbio(s);
572 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
573 if (r != NULL)
574 BIO_get_fd(r,&ret);
575 return(ret);
576 }
577
578int SSL_get_wfd(const SSL *s)
579 {
580 int ret= -1;
581 BIO *b,*r;
582
583 b=SSL_get_wbio(s);
584 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
585 if (r != NULL)
586 BIO_get_fd(r,&ret);
587 return(ret);
588 }
589
590#ifndef OPENSSL_NO_SOCK
591int SSL_set_fd(SSL *s,int fd)
592 {
593 int ret=0;
594 BIO *bio=NULL;
595
596 bio=BIO_new(BIO_s_socket());
597
598 if (bio == NULL)
599 {
600 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
601 goto err;
602 }
603 BIO_set_fd(bio,fd,BIO_NOCLOSE);
604 SSL_set_bio(s,bio,bio);
605 ret=1;
606err:
607 return(ret);
608 }
609
610int SSL_set_wfd(SSL *s,int fd)
611 {
612 int ret=0;
613 BIO *bio=NULL;
614
615 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
616 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
617 {
618 bio=BIO_new(BIO_s_socket());
619
620 if (bio == NULL)
621 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
622 BIO_set_fd(bio,fd,BIO_NOCLOSE);
623 SSL_set_bio(s,SSL_get_rbio(s),bio);
624 }
625 else
626 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
627 ret=1;
628err:
629 return(ret);
630 }
631
632int SSL_set_rfd(SSL *s,int fd)
633 {
634 int ret=0;
635 BIO *bio=NULL;
636
637 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
638 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
639 {
640 bio=BIO_new(BIO_s_socket());
641
642 if (bio == NULL)
643 {
644 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
645 goto err;
646 }
647 BIO_set_fd(bio,fd,BIO_NOCLOSE);
648 SSL_set_bio(s,bio,SSL_get_wbio(s));
649 }
650 else
651 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
652 ret=1;
653err:
654 return(ret);
655 }
656#endif
657
658
659/* return length of latest Finished message we sent, copy to 'buf' */
660size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
661 {
662 size_t ret = 0;
663
664 if (s->s3 != NULL)
665 {
666 ret = s->s3->tmp.finish_md_len;
667 if (count > ret)
668 count = ret;
669 memcpy(buf, s->s3->tmp.finish_md, count);
670 }
671 return ret;
672 }
673
674/* return length of latest Finished message we expected, copy to 'buf' */
675size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
676 {
677 size_t ret = 0;
678
679 if (s->s3 != NULL)
680 {
681 ret = s->s3->tmp.peer_finish_md_len;
682 if (count > ret)
683 count = ret;
684 memcpy(buf, s->s3->tmp.peer_finish_md, count);
685 }
686 return ret;
687 }
688
689
690int SSL_get_verify_mode(const SSL *s)
691 {
692 return(s->verify_mode);
693 }
694
695int SSL_get_verify_depth(const SSL *s)
696 {
697 return X509_VERIFY_PARAM_get_depth(s->param);
698 }
699
700int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *)
701 {
702 return(s->verify_callback);
703 }
704
705int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
706 {
707 return(ctx->verify_mode);
708 }
709
710int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
711 {
712 return X509_VERIFY_PARAM_get_depth(ctx->param);
713 }
714
715int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *)
716 {
717 return(ctx->default_verify_callback);
718 }
719
720void SSL_set_verify(SSL *s,int mode,
721 int (*callback)(int ok,X509_STORE_CTX *ctx))
722 {
723 s->verify_mode=mode;
724 if (callback != NULL)
725 s->verify_callback=callback;
726 }
727
728void SSL_set_verify_depth(SSL *s,int depth)
729 {
730 X509_VERIFY_PARAM_set_depth(s->param, depth);
731 }
732
733void SSL_set_read_ahead(SSL *s,int yes)
734 {
735 s->read_ahead=yes;
736 }
737
738int SSL_get_read_ahead(const SSL *s)
739 {
740 return(s->read_ahead);
741 }
742
743int SSL_pending(const SSL *s)
744 {
745 /* SSL_pending cannot work properly if read-ahead is enabled
746 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
747 * and it is impossible to fix since SSL_pending cannot report
748 * errors that may be observed while scanning the new data.
749 * (Note that SSL_pending() is often used as a boolean value,
750 * so we'd better not return -1.)
751 */
752 return(s->method->ssl_pending(s));
753 }
754
755X509 *SSL_get_peer_certificate(const SSL *s)
756 {
757 X509 *r;
758
759 if ((s == NULL) || (s->session == NULL))
760 r=NULL;
761 else
762 r=s->session->peer;
763
764 if (r == NULL) return(r);
765
766 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
767
768 return(r);
769 }
770
771STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
772 {
773 STACK_OF(X509) *r;
774
775 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
776 r=NULL;
777 else
778 r=s->session->sess_cert->cert_chain;
779
780 /* If we are a client, cert_chain includes the peer's own
781 * certificate; if we are a server, it does not. */
782
783 return(r);
784 }
785
786/* Now in theory, since the calling process own 't' it should be safe to
787 * modify. We need to be able to read f without being hassled */
788void SSL_copy_session_id(SSL *t,const SSL *f)
789 {
790 CERT *tmp;
791
792 /* Do we need to to SSL locking? */
793 SSL_set_session(t,SSL_get_session(f));
794
795 /* what if we are setup as SSLv2 but want to talk SSLv3 or
796 * vice-versa */
797 if (t->method != f->method)
798 {
799 t->method->ssl_free(t); /* cleanup current */
800 t->method=f->method; /* change method */
801 t->method->ssl_new(t); /* setup new */
802 }
803
804 tmp=t->cert;
805 if (f->cert != NULL)
806 {
807 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
808 t->cert=f->cert;
809 }
810 else
811 t->cert=NULL;
812 if (tmp != NULL) ssl_cert_free(tmp);
813 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
814 }
815
816/* Fix this so it checks all the valid key/cert options */
817int SSL_CTX_check_private_key(const SSL_CTX *ctx)
818 {
819 if ( (ctx == NULL) ||
820 (ctx->cert == NULL) ||
821 (ctx->cert->key->x509 == NULL))
822 {
823 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
824 return(0);
825 }
826 if (ctx->cert->key->privatekey == NULL)
827 {
828 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
829 return(0);
830 }
831 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
832 }
833
834/* Fix this function so that it takes an optional type parameter */
835int SSL_check_private_key(const SSL *ssl)
836 {
837 if (ssl == NULL)
838 {
839 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
840 return(0);
841 }
842 if (ssl->cert == NULL)
843 {
844 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
845 return 0;
846 }
847 if (ssl->cert->key->x509 == NULL)
848 {
849 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
850 return(0);
851 }
852 if (ssl->cert->key->privatekey == NULL)
853 {
854 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
855 return(0);
856 }
857 return(X509_check_private_key(ssl->cert->key->x509,
858 ssl->cert->key->privatekey));
859 }
860
861int SSL_accept(SSL *s)
862 {
863 if (s->handshake_func == 0)
864 /* Not properly initialized yet */
865 SSL_set_accept_state(s);
866
867 return(s->method->ssl_accept(s));
868 }
869
870int SSL_connect(SSL *s)
871 {
872 if (s->handshake_func == 0)
873 /* Not properly initialized yet */
874 SSL_set_connect_state(s);
875
876 return(s->method->ssl_connect(s));
877 }
878
879long SSL_get_default_timeout(const SSL *s)
880 {
881 return(s->method->get_timeout());
882 }
883
884int SSL_read(SSL *s,void *buf,int num)
885 {
886 if (s->handshake_func == 0)
887 {
888 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
889 return -1;
890 }
891
892 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
893 {
894 s->rwstate=SSL_NOTHING;
895 return(0);
896 }
897 return(s->method->ssl_read(s,buf,num));
898 }
899
900int SSL_peek(SSL *s,void *buf,int num)
901 {
902 if (s->handshake_func == 0)
903 {
904 SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
905 return -1;
906 }
907
908 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
909 {
910 return(0);
911 }
912 return(s->method->ssl_peek(s,buf,num));
913 }
914
915int SSL_write(SSL *s,const void *buf,int num)
916 {
917 if (s->handshake_func == 0)
918 {
919 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
920 return -1;
921 }
922
923 if (s->shutdown & SSL_SENT_SHUTDOWN)
924 {
925 s->rwstate=SSL_NOTHING;
926 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
927 return(-1);
928 }
929 return(s->method->ssl_write(s,buf,num));
930 }
931
932int SSL_shutdown(SSL *s)
933 {
934 /* Note that this function behaves differently from what one might
935 * expect. Return values are 0 for no success (yet),
936 * 1 for success; but calling it once is usually not enough,
937 * even if blocking I/O is used (see ssl3_shutdown).
938 */
939
940 if (s->handshake_func == 0)
941 {
942 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
943 return -1;
944 }
945
946 if ((s != NULL) && !SSL_in_init(s))
947 return(s->method->ssl_shutdown(s));
948 else
949 return(1);
950 }
951
952int SSL_renegotiate(SSL *s)
953 {
954 if (s->new_session == 0)
955 {
956 s->new_session=1;
957 }
958 return(s->method->ssl_renegotiate(s));
959 }
960
961int SSL_renegotiate_pending(SSL *s)
962 {
963 /* becomes true when negotiation is requested;
964 * false again once a handshake has finished */
965 return (s->new_session != 0);
966 }
967
968long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
969 {
970 long l;
971
972 switch (cmd)
973 {
974 case SSL_CTRL_GET_READ_AHEAD:
975 return(s->read_ahead);
976 case SSL_CTRL_SET_READ_AHEAD:
977 l=s->read_ahead;
978 s->read_ahead=larg;
979 return(l);
980
981 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
982 s->msg_callback_arg = parg;
983 return 1;
984
985 case SSL_CTRL_OPTIONS:
986 return(s->options|=larg);
987 case SSL_CTRL_MODE:
988 return(s->mode|=larg);
989 case SSL_CTRL_GET_MAX_CERT_LIST:
990 return(s->max_cert_list);
991 case SSL_CTRL_SET_MAX_CERT_LIST:
992 l=s->max_cert_list;
993 s->max_cert_list=larg;
994 return(l);
995 case SSL_CTRL_SET_MTU:
996 if (SSL_version(s) == DTLS1_VERSION)
997 {
998 s->d1->mtu = larg;
999 return larg;
1000 }
1001 return 0;
1002 default:
1003 return(s->method->ssl_ctrl(s,cmd,larg,parg));
1004 }
1005 }
1006
1007long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
1008 {
1009 switch(cmd)
1010 {
1011 case SSL_CTRL_SET_MSG_CALLBACK:
1012 s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1013 return 1;
1014
1015 default:
1016 return(s->method->ssl_callback_ctrl(s,cmd,fp));
1017 }
1018 }
1019
1020struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
1021 {
1022 return ctx->sessions;
1023 }
1024
1025long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
1026 {
1027 long l;
1028
1029 switch (cmd)
1030 {
1031 case SSL_CTRL_GET_READ_AHEAD:
1032 return(ctx->read_ahead);
1033 case SSL_CTRL_SET_READ_AHEAD:
1034 l=ctx->read_ahead;
1035 ctx->read_ahead=larg;
1036 return(l);
1037
1038 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1039 ctx->msg_callback_arg = parg;
1040 return 1;
1041
1042 case SSL_CTRL_GET_MAX_CERT_LIST:
1043 return(ctx->max_cert_list);
1044 case SSL_CTRL_SET_MAX_CERT_LIST:
1045 l=ctx->max_cert_list;
1046 ctx->max_cert_list=larg;
1047 return(l);
1048
1049 case SSL_CTRL_SET_SESS_CACHE_SIZE:
1050 l=ctx->session_cache_size;
1051 ctx->session_cache_size=larg;
1052 return(l);
1053 case SSL_CTRL_GET_SESS_CACHE_SIZE:
1054 return(ctx->session_cache_size);
1055 case SSL_CTRL_SET_SESS_CACHE_MODE:
1056 l=ctx->session_cache_mode;
1057 ctx->session_cache_mode=larg;
1058 return(l);
1059 case SSL_CTRL_GET_SESS_CACHE_MODE:
1060 return(ctx->session_cache_mode);
1061
1062 case SSL_CTRL_SESS_NUMBER:
1063 return(ctx->sessions->num_items);
1064 case SSL_CTRL_SESS_CONNECT:
1065 return(ctx->stats.sess_connect);
1066 case SSL_CTRL_SESS_CONNECT_GOOD:
1067 return(ctx->stats.sess_connect_good);
1068 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1069 return(ctx->stats.sess_connect_renegotiate);
1070 case SSL_CTRL_SESS_ACCEPT:
1071 return(ctx->stats.sess_accept);
1072 case SSL_CTRL_SESS_ACCEPT_GOOD:
1073 return(ctx->stats.sess_accept_good);
1074 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1075 return(ctx->stats.sess_accept_renegotiate);
1076 case SSL_CTRL_SESS_HIT:
1077 return(ctx->stats.sess_hit);
1078 case SSL_CTRL_SESS_CB_HIT:
1079 return(ctx->stats.sess_cb_hit);
1080 case SSL_CTRL_SESS_MISSES:
1081 return(ctx->stats.sess_miss);
1082 case SSL_CTRL_SESS_TIMEOUTS:
1083 return(ctx->stats.sess_timeout);
1084 case SSL_CTRL_SESS_CACHE_FULL:
1085 return(ctx->stats.sess_cache_full);
1086 case SSL_CTRL_OPTIONS:
1087 return(ctx->options|=larg);
1088 case SSL_CTRL_MODE:
1089 return(ctx->mode|=larg);
1090 default:
1091 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
1092 }
1093 }
1094
1095long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
1096 {
1097 switch(cmd)
1098 {
1099 case SSL_CTRL_SET_MSG_CALLBACK:
1100 ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1101 return 1;
1102
1103 default:
1104 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
1105 }
1106 }
1107
1108int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1109 {
1110 long l;
1111
1112 l=a->id-b->id;
1113 if (l == 0L)
1114 return(0);
1115 else
1116 return((l > 0)?1:-1);
1117 }
1118
1119int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
1120 const SSL_CIPHER * const *bp)
1121 {
1122 long l;
1123
1124 l=(*ap)->id-(*bp)->id;
1125 if (l == 0L)
1126 return(0);
1127 else
1128 return((l > 0)?1:-1);
1129 }
1130
1131/** return a STACK of the ciphers available for the SSL and in order of
1132 * preference */
1133STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
1134 {
1135 if (s != NULL)
1136 {
1137 if (s->cipher_list != NULL)
1138 {
1139 return(s->cipher_list);
1140 }
1141 else if ((s->ctx != NULL) &&
1142 (s->ctx->cipher_list != NULL))
1143 {
1144 return(s->ctx->cipher_list);
1145 }
1146 }
1147 return(NULL);
1148 }
1149
1150/** return a STACK of the ciphers available for the SSL and in order of
1151 * algorithm id */
1152STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
1153 {
1154 if (s != NULL)
1155 {
1156 if (s->cipher_list_by_id != NULL)
1157 {
1158 return(s->cipher_list_by_id);
1159 }
1160 else if ((s->ctx != NULL) &&
1161 (s->ctx->cipher_list_by_id != NULL))
1162 {
1163 return(s->ctx->cipher_list_by_id);
1164 }
1165 }
1166 return(NULL);
1167 }
1168
1169/** The old interface to get the same thing as SSL_get_ciphers() */
1170const char *SSL_get_cipher_list(const SSL *s,int n)
1171 {
1172 SSL_CIPHER *c;
1173 STACK_OF(SSL_CIPHER) *sk;
1174
1175 if (s == NULL) return(NULL);
1176 sk=SSL_get_ciphers(s);
1177 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
1178 return(NULL);
1179 c=sk_SSL_CIPHER_value(sk,n);
1180 if (c == NULL) return(NULL);
1181 return(c->name);
1182 }
1183
1184/** specify the ciphers to be used by default by the SSL_CTX */
1185int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1186 {
1187 STACK_OF(SSL_CIPHER) *sk;
1188
1189 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
1190 &ctx->cipher_list_by_id,str);
1191 /* ssl_create_cipher_list may return an empty stack if it
1192 * was unable to find a cipher matching the given rule string
1193 * (for example if the rule string specifies a cipher which
1194 * has been disabled). This is not an error as far as
1195 * ssl_create_cipher_list is concerned, and hence
1196 * ctx->cipher_list and ctx->cipher_list_by_id has been
1197 * updated. */
1198 if (sk == NULL)
1199 return 0;
1200 else if (sk_SSL_CIPHER_num(sk) == 0)
1201 {
1202 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1203 return 0;
1204 }
1205 return 1;
1206 }
1207
1208/** specify the ciphers to be used by the SSL */
1209int SSL_set_cipher_list(SSL *s,const char *str)
1210 {
1211 STACK_OF(SSL_CIPHER) *sk;
1212
1213 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
1214 &s->cipher_list_by_id,str);
1215 /* see comment in SSL_CTX_set_cipher_list */
1216 if (sk == NULL)
1217 return 0;
1218 else if (sk_SSL_CIPHER_num(sk) == 0)
1219 {
1220 SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1221 return 0;
1222 }
1223 return 1;
1224 }
1225
1226/* works well for SSLv2, not so good for SSLv3 */
1227char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
1228 {
1229 char *end;
1230 STACK_OF(SSL_CIPHER) *sk;
1231 SSL_CIPHER *c;
1232 size_t curlen = 0;
1233 int i;
1234
1235 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
1236 (len < 2))
1237 return(NULL);
1238
1239 sk=s->session->ciphers;
1240 buf[0] = '\0';
1241 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1242 {
1243 c=sk_SSL_CIPHER_value(sk,i);
1244 end = buf + curlen;
1245 if (strlcat(buf, c->name, len) >= len ||
1246 (curlen = strlcat(buf, ":", len)) >= len)
1247 {
1248 /* remove truncated cipher from list */
1249 *end = '\0';
1250 break;
1251 }
1252 }
1253 /* remove trailing colon */
1254 if ((end = strrchr(buf, ':')) != NULL)
1255 *end = '\0';
1256 return(buf);
1257 }
1258
1259int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
1260 int (*put_cb)(const SSL_CIPHER *, unsigned char *))
1261 {
1262 int i,j=0;
1263 SSL_CIPHER *c;
1264 unsigned char *q;
1265#ifndef OPENSSL_NO_KRB5
1266 int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
1267#endif /* OPENSSL_NO_KRB5 */
1268
1269 if (sk == NULL) return(0);
1270 q=p;
1271
1272 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1273 {
1274 c=sk_SSL_CIPHER_value(sk,i);
1275#ifndef OPENSSL_NO_KRB5
1276 if ((c->algorithms & SSL_KRB5) && nokrb5)
1277 continue;
1278#endif /* OPENSSL_NO_KRB5 */
1279
1280 j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
1281 p+=j;
1282 }
1283 return(p-q);
1284 }
1285
1286STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1287 STACK_OF(SSL_CIPHER) **skp)
1288 {
1289 SSL_CIPHER *c;
1290 STACK_OF(SSL_CIPHER) *sk;
1291 int i,n;
1292
1293 n=ssl_put_cipher_by_char(s,NULL,NULL);
1294 if ((num%n) != 0)
1295 {
1296 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1297 return(NULL);
1298 }
1299 if ((skp == NULL) || (*skp == NULL))
1300 sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1301 else
1302 {
1303 sk= *skp;
1304 sk_SSL_CIPHER_zero(sk);
1305 }
1306
1307 for (i=0; i<num; i+=n)
1308 {
1309 c=ssl_get_cipher_by_char(s,p);
1310 p+=n;
1311 if (c != NULL)
1312 {
1313 if (!sk_SSL_CIPHER_push(sk,c))
1314 {
1315 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1316 goto err;
1317 }
1318 }
1319 }
1320
1321 if (skp != NULL)
1322 *skp=sk;
1323 return(sk);
1324err:
1325 if ((skp == NULL) || (*skp == NULL))
1326 sk_SSL_CIPHER_free(sk);
1327 return(NULL);
1328 }
1329
1330#ifndef OPENSSL_NO_TLSEXT
1331/** return a servername extension value if provided in Client Hello, or NULL.
1332 * So far, only host_name types are defined (RFC 3546).
1333 */
1334
1335const char *SSL_get_servername(const SSL *s, const int type)
1336 {
1337 if (type != TLSEXT_NAMETYPE_host_name)
1338 return NULL;
1339
1340 return s->session && !s->tlsext_hostname ?
1341 s->session->tlsext_hostname :
1342 s->tlsext_hostname;
1343 }
1344
1345int SSL_get_servername_type(const SSL *s)
1346 {
1347 if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname))
1348 return TLSEXT_NAMETYPE_host_name;
1349 return -1;
1350 }
1351#endif
1352
1353unsigned long SSL_SESSION_hash(const SSL_SESSION *a)
1354 {
1355 unsigned long l;
1356
1357 l=(unsigned long)
1358 ((unsigned int) a->session_id[0] )|
1359 ((unsigned int) a->session_id[1]<< 8L)|
1360 ((unsigned long)a->session_id[2]<<16L)|
1361 ((unsigned long)a->session_id[3]<<24L);
1362 return(l);
1363 }
1364
1365/* NB: If this function (or indeed the hash function which uses a sort of
1366 * coarser function than this one) is changed, ensure
1367 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1368 * able to construct an SSL_SESSION that will collide with any existing session
1369 * with a matching session ID. */
1370int SSL_SESSION_cmp(const SSL_SESSION *a,const SSL_SESSION *b)
1371 {
1372 if (a->ssl_version != b->ssl_version)
1373 return(1);
1374 if (a->session_id_length != b->session_id_length)
1375 return(1);
1376 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1377 }
1378
1379/* These wrapper functions should remain rather than redeclaring
1380 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1381 * variable. The reason is that the functions aren't static, they're exposed via
1382 * ssl.h. */
1383static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
1384static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
1385
1386SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
1387 {
1388 SSL_CTX *ret=NULL;
1389
1390 if (meth == NULL)
1391 {
1392 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1393 return(NULL);
1394 }
1395
1396#ifdef OPENSSL_FIPS
1397 if (FIPS_mode() && (meth->version < TLS1_VERSION))
1398 {
1399 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
1400 return NULL;
1401 }
1402#endif
1403
1404 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1405 {
1406 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1407 goto err;
1408 }
1409 ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
1410 if (ret == NULL)
1411 goto err;
1412
1413 memset(ret,0,sizeof(SSL_CTX));
1414
1415 ret->method=meth;
1416
1417 ret->cert_store=NULL;
1418 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1419 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1420 ret->session_cache_head=NULL;
1421 ret->session_cache_tail=NULL;
1422
1423 /* We take the system default */
1424 ret->session_timeout=meth->get_timeout();
1425
1426 ret->new_session_cb=0;
1427 ret->remove_session_cb=0;
1428 ret->get_session_cb=0;
1429 ret->generate_session_id=0;
1430
1431 memset((char *)&ret->stats,0,sizeof(ret->stats));
1432
1433 ret->references=1;
1434 ret->quiet_shutdown=0;
1435
1436/* ret->cipher=NULL;*/
1437/* ret->s2->challenge=NULL;
1438 ret->master_key=NULL;
1439 ret->key_arg=NULL;
1440 ret->s2->conn_id=NULL; */
1441
1442 ret->info_callback=NULL;
1443
1444 ret->app_verify_callback=0;
1445 ret->app_verify_arg=NULL;
1446
1447 ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
1448 ret->read_ahead=0;
1449 ret->msg_callback=0;
1450 ret->msg_callback_arg=NULL;
1451 ret->verify_mode=SSL_VERIFY_NONE;
1452#if 0
1453 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1454#endif
1455 ret->sid_ctx_length=0;
1456 ret->default_verify_callback=NULL;
1457 if ((ret->cert=ssl_cert_new()) == NULL)
1458 goto err;
1459
1460 ret->default_passwd_callback=0;
1461 ret->default_passwd_callback_userdata=NULL;
1462 ret->client_cert_cb=0;
1463 ret->app_gen_cookie_cb=0;
1464 ret->app_verify_cookie_cb=0;
1465
1466 ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
1467 LHASH_COMP_FN(SSL_SESSION_cmp));
1468 if (ret->sessions == NULL) goto err;
1469 ret->cert_store=X509_STORE_new();
1470 if (ret->cert_store == NULL) goto err;
1471
1472 ssl_create_cipher_list(ret->method,
1473 &ret->cipher_list,&ret->cipher_list_by_id,
1474 SSL_DEFAULT_CIPHER_LIST);
1475 if (ret->cipher_list == NULL
1476 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1477 {
1478 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1479 goto err2;
1480 }
1481
1482 ret->param = X509_VERIFY_PARAM_new();
1483 if (!ret->param)
1484 goto err;
1485
1486 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1487 {
1488 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1489 goto err2;
1490 }
1491 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1492 {
1493 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1494 goto err2;
1495 }
1496 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1497 {
1498 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1499 goto err2;
1500 }
1501
1502 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1503 goto err;
1504
1505 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
1506
1507 ret->extra_certs=NULL;
1508 ret->comp_methods=SSL_COMP_get_compression_methods();
1509
1510#ifndef OPENSSL_NO_TLSEXT
1511 ret->tlsext_servername_callback = 0;
1512 ret->tlsext_servername_arg = NULL;
1513 /* Setup RFC4507 ticket keys */
1514 if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0)
1515 || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0)
1516 || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0))
1517 ret->options |= SSL_OP_NO_TICKET;
1518
1519 ret->tlsext_status_cb = 0;
1520 ret->tlsext_status_arg = NULL;
1521
1522#endif
1523
1524#ifndef OPENSSL_NO_ENGINE
1525 ret->client_cert_engine = NULL;
1526#ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1527#define eng_strx(x) #x
1528#define eng_str(x) eng_strx(x)
1529 /* Use specific client engine automatically... ignore errors */
1530 {
1531 ENGINE *eng;
1532 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1533 if (!eng)
1534 {
1535 ERR_clear_error();
1536 ENGINE_load_builtin_engines();
1537 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1538 }
1539 if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))
1540 ERR_clear_error();
1541 }
1542#endif
1543#endif
1544
1545 return(ret);
1546err:
1547 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1548err2:
1549 if (ret != NULL) SSL_CTX_free(ret);
1550 return(NULL);
1551 }
1552
1553#if 0
1554static void SSL_COMP_free(SSL_COMP *comp)
1555 { OPENSSL_free(comp); }
1556#endif
1557
1558void SSL_CTX_free(SSL_CTX *a)
1559 {
1560 int i;
1561
1562 if (a == NULL) return;
1563
1564 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1565#ifdef REF_PRINT
1566 REF_PRINT("SSL_CTX",a);
1567#endif
1568 if (i > 0) return;
1569#ifdef REF_CHECK
1570 if (i < 0)
1571 {
1572 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1573 abort(); /* ok */
1574 }
1575#endif
1576
1577 if (a->param)
1578 X509_VERIFY_PARAM_free(a->param);
1579
1580 /*
1581 * Free internal session cache. However: the remove_cb() may reference
1582 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1583 * after the sessions were flushed.
1584 * As the ex_data handling routines might also touch the session cache,
1585 * the most secure solution seems to be: empty (flush) the cache, then
1586 * free ex_data, then finally free the cache.
1587 * (See ticket [openssl.org #212].)
1588 */
1589 if (a->sessions != NULL)
1590 SSL_CTX_flush_sessions(a,0);
1591
1592 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
1593
1594 if (a->sessions != NULL)
1595 lh_free(a->sessions);
1596
1597 if (a->cert_store != NULL)
1598 X509_STORE_free(a->cert_store);
1599 if (a->cipher_list != NULL)
1600 sk_SSL_CIPHER_free(a->cipher_list);
1601 if (a->cipher_list_by_id != NULL)
1602 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1603 if (a->cert != NULL)
1604 ssl_cert_free(a->cert);
1605 if (a->client_CA != NULL)
1606 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1607 if (a->extra_certs != NULL)
1608 sk_X509_pop_free(a->extra_certs,X509_free);
1609#if 0 /* This should never be done, since it removes a global database */
1610 if (a->comp_methods != NULL)
1611 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1612#else
1613 a->comp_methods = NULL;
1614#endif
1615#ifndef OPENSSL_NO_ENGINE
1616 if (a->client_cert_engine)
1617 ENGINE_finish(a->client_cert_engine);
1618#endif
1619 OPENSSL_free(a);
1620 }
1621
1622void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1623 {
1624 ctx->default_passwd_callback=cb;
1625 }
1626
1627void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1628 {
1629 ctx->default_passwd_callback_userdata=u;
1630 }
1631
1632void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
1633 {
1634 ctx->app_verify_callback=cb;
1635 ctx->app_verify_arg=arg;
1636 }
1637
1638void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1639 {
1640 ctx->verify_mode=mode;
1641 ctx->default_verify_callback=cb;
1642 }
1643
1644void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1645 {
1646 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
1647 }
1648
1649void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1650 {
1651 CERT_PKEY *cpk;
1652 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1653 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1654 int rsa_tmp_export,dh_tmp_export,kl;
1655 unsigned long mask,emask;
1656 int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
1657#ifndef OPENSSL_NO_ECDH
1658 int have_ecdh_tmp;
1659#endif
1660 X509 *x = NULL;
1661 EVP_PKEY *ecc_pkey = NULL;
1662 int signature_nid = 0;
1663
1664 if (c == NULL) return;
1665
1666 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1667
1668#ifndef OPENSSL_NO_RSA
1669 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1670 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1671 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1672#else
1673 rsa_tmp=rsa_tmp_export=0;
1674#endif
1675#ifndef OPENSSL_NO_DH
1676 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1677 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1678 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1679#else
1680 dh_tmp=dh_tmp_export=0;
1681#endif
1682
1683#ifndef OPENSSL_NO_ECDH
1684 have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
1685#endif
1686 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1687 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1688 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1689 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1690 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1691 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1692 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1693 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1694 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1695 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1696 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1697/* FIX THIS EAY EAY EAY */
1698 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1699 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1700 cpk= &(c->pkeys[SSL_PKEY_ECC]);
1701 have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
1702 mask=0;
1703 emask=0;
1704
1705#ifdef CIPHER_DEBUG
1706 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1707 rsa_tmp,rsa_tmp_export,dh_tmp,
1708 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1709#endif
1710
1711 if (rsa_enc || (rsa_tmp && rsa_sign))
1712 mask|=SSL_kRSA;
1713 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1714 emask|=SSL_kRSA;
1715
1716#if 0
1717 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1718 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1719 (rsa_enc || rsa_sign || dsa_sign))
1720 mask|=SSL_kEDH;
1721 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1722 (rsa_enc || rsa_sign || dsa_sign))
1723 emask|=SSL_kEDH;
1724#endif
1725
1726 if (dh_tmp_export)
1727 emask|=SSL_kEDH;
1728
1729 if (dh_tmp)
1730 mask|=SSL_kEDH;
1731
1732 if (dh_rsa) mask|=SSL_kDHr;
1733 if (dh_rsa_export) emask|=SSL_kDHr;
1734
1735 if (dh_dsa) mask|=SSL_kDHd;
1736 if (dh_dsa_export) emask|=SSL_kDHd;
1737
1738 if (rsa_enc || rsa_sign)
1739 {
1740 mask|=SSL_aRSA;
1741 emask|=SSL_aRSA;
1742 }
1743
1744 if (dsa_sign)
1745 {
1746 mask|=SSL_aDSS;
1747 emask|=SSL_aDSS;
1748 }
1749
1750 mask|=SSL_aNULL;
1751 emask|=SSL_aNULL;
1752
1753#ifndef OPENSSL_NO_KRB5
1754 mask|=SSL_kKRB5|SSL_aKRB5;
1755 emask|=SSL_kKRB5|SSL_aKRB5;
1756#endif
1757
1758 /* An ECC certificate may be usable for ECDH and/or
1759 * ECDSA cipher suites depending on the key usage extension.
1760 */
1761 if (have_ecc_cert)
1762 {
1763 /* This call populates extension flags (ex_flags) */
1764 x = (c->pkeys[SSL_PKEY_ECC]).x509;
1765 X509_check_purpose(x, -1, 0);
1766 ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1767 (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
1768 ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1769 (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
1770 ecc_pkey = X509_get_pubkey(x);
1771 ecc_pkey_size = (ecc_pkey != NULL) ?
1772 EVP_PKEY_bits(ecc_pkey) : 0;
1773 EVP_PKEY_free(ecc_pkey);
1774 if ((x->sig_alg) && (x->sig_alg->algorithm))
1775 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1776#ifndef OPENSSL_NO_ECDH
1777 if (ecdh_ok)
1778 {
1779 if ((signature_nid == NID_md5WithRSAEncryption) ||
1780 (signature_nid == NID_md4WithRSAEncryption) ||
1781 (signature_nid == NID_md2WithRSAEncryption))
1782 {
1783 mask|=SSL_kECDH|SSL_aRSA;
1784 if (ecc_pkey_size <= 163)
1785 emask|=SSL_kECDH|SSL_aRSA;
1786 }
1787 if (signature_nid == NID_ecdsa_with_SHA1)
1788 {
1789 mask|=SSL_kECDH|SSL_aECDSA;
1790 if (ecc_pkey_size <= 163)
1791 emask|=SSL_kECDH|SSL_aECDSA;
1792 }
1793 }
1794#endif
1795#ifndef OPENSSL_NO_ECDSA
1796 if (ecdsa_ok)
1797 {
1798 mask|=SSL_aECDSA;
1799 emask|=SSL_aECDSA;
1800 }
1801#endif
1802 }
1803
1804#ifndef OPENSSL_NO_ECDH
1805 if (have_ecdh_tmp)
1806 {
1807 mask|=SSL_kECDHE;
1808 emask|=SSL_kECDHE;
1809 }
1810#endif
1811 c->mask=mask;
1812 c->export_mask=emask;
1813 c->valid=1;
1814 }
1815
1816/* This handy macro borrowed from crypto/x509v3/v3_purp.c */
1817#define ku_reject(x, usage) \
1818 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
1819
1820int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
1821 {
1822 unsigned long alg = cs->algorithms;
1823 EVP_PKEY *pkey = NULL;
1824 int keysize = 0;
1825 int signature_nid = 0;
1826
1827 if (SSL_C_IS_EXPORT(cs))
1828 {
1829 /* ECDH key length in export ciphers must be <= 163 bits */
1830 pkey = X509_get_pubkey(x);
1831 if (pkey == NULL) return 0;
1832 keysize = EVP_PKEY_bits(pkey);
1833 EVP_PKEY_free(pkey);
1834 if (keysize > 163) return 0;
1835 }
1836
1837 /* This call populates the ex_flags field correctly */
1838 X509_check_purpose(x, -1, 0);
1839 if ((x->sig_alg) && (x->sig_alg->algorithm))
1840 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1841 if (alg & SSL_kECDH)
1842 {
1843 /* key usage, if present, must allow key agreement */
1844 if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
1845 {
1846 return 0;
1847 }
1848 if (alg & SSL_aECDSA)
1849 {
1850 /* signature alg must be ECDSA */
1851 if (signature_nid != NID_ecdsa_with_SHA1)
1852 {
1853 return 0;
1854 }
1855 }
1856 if (alg & SSL_aRSA)
1857 {
1858 /* signature alg must be RSA */
1859 if ((signature_nid != NID_md5WithRSAEncryption) &&
1860 (signature_nid != NID_md4WithRSAEncryption) &&
1861 (signature_nid != NID_md2WithRSAEncryption))
1862 {
1863 return 0;
1864 }
1865 }
1866 }
1867 else if (alg & SSL_aECDSA)
1868 {
1869 /* key usage, if present, must allow signing */
1870 if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
1871 {
1872 return 0;
1873 }
1874 }
1875
1876 return 1; /* all checks are ok */
1877 }
1878
1879/* THIS NEEDS CLEANING UP */
1880X509 *ssl_get_server_send_cert(SSL *s)
1881 {
1882 unsigned long alg,mask,kalg;
1883 CERT *c;
1884 int i,is_export;
1885
1886 c=s->cert;
1887 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1888 alg=s->s3->tmp.new_cipher->algorithms;
1889 is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1890 mask=is_export?c->export_mask:c->mask;
1891 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1892
1893 if (kalg & SSL_kECDH)
1894 {
1895 /* we don't need to look at SSL_kECDHE
1896 * since no certificate is needed for
1897 * anon ECDH and for authenticated
1898 * ECDHE, the check for the auth
1899 * algorithm will set i correctly
1900 * NOTE: For ECDH-RSA, we need an ECC
1901 * not an RSA cert but for ECDHE-RSA
1902 * we need an RSA cert. Placing the
1903 * checks for SSL_kECDH before RSA
1904 * checks ensures the correct cert is chosen.
1905 */
1906 i=SSL_PKEY_ECC;
1907 }
1908 else if (kalg & SSL_aECDSA)
1909 {
1910 i=SSL_PKEY_ECC;
1911 }
1912 else if (kalg & SSL_kDHr)
1913 i=SSL_PKEY_DH_RSA;
1914 else if (kalg & SSL_kDHd)
1915 i=SSL_PKEY_DH_DSA;
1916 else if (kalg & SSL_aDSS)
1917 i=SSL_PKEY_DSA_SIGN;
1918 else if (kalg & SSL_aRSA)
1919 {
1920 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1921 i=SSL_PKEY_RSA_SIGN;
1922 else
1923 i=SSL_PKEY_RSA_ENC;
1924 }
1925 else if (kalg & SSL_aKRB5)
1926 {
1927 /* VRS something else here? */
1928 return(NULL);
1929 }
1930 else /* if (kalg & SSL_aNULL) */
1931 {
1932 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
1933 return(NULL);
1934 }
1935 if (c->pkeys[i].x509 == NULL) return(NULL);
1936
1937 return(c->pkeys[i].x509);
1938 }
1939
1940EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1941 {
1942 unsigned long alg;
1943 CERT *c;
1944
1945 alg=cipher->algorithms;
1946 c=s->cert;
1947
1948 if ((alg & SSL_aDSS) &&
1949 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1950 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1951 else if (alg & SSL_aRSA)
1952 {
1953 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1954 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1955 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1956 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1957 else
1958 return(NULL);
1959 }
1960 else if ((alg & SSL_aECDSA) &&
1961 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
1962 return(c->pkeys[SSL_PKEY_ECC].privatekey);
1963 else /* if (alg & SSL_aNULL) */
1964 {
1965 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
1966 return(NULL);
1967 }
1968 }
1969
1970void ssl_update_cache(SSL *s,int mode)
1971 {
1972 int i;
1973
1974 /* If the session_id_length is 0, we are not supposed to cache it,
1975 * and it would be rather hard to do anyway :-) */
1976 if (s->session->session_id_length == 0) return;
1977
1978 i=s->ctx->session_cache_mode;
1979 if ((i & mode) && (!s->hit)
1980 && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
1981 || SSL_CTX_add_session(s->ctx,s->session))
1982 && (s->ctx->new_session_cb != NULL))
1983 {
1984 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1985 if (!s->ctx->new_session_cb(s,s->session))
1986 SSL_SESSION_free(s->session);
1987 }
1988
1989 /* auto flush every 255 connections */
1990 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1991 ((i & mode) == mode))
1992 {
1993 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1994 ?s->ctx->stats.sess_connect_good
1995 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1996 {
1997 SSL_CTX_flush_sessions(s->ctx,(unsigned long)time(NULL));
1998 }
1999 }
2000 }
2001
2002SSL_METHOD *SSL_get_ssl_method(SSL *s)
2003 {
2004 return(s->method);
2005 }
2006
2007int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
2008 {
2009 int conn= -1;
2010 int ret=1;
2011
2012 if (s->method != meth)
2013 {
2014 if (s->handshake_func != NULL)
2015 conn=(s->handshake_func == s->method->ssl_connect);
2016
2017 if (s->method->version == meth->version)
2018 s->method=meth;
2019 else
2020 {
2021 s->method->ssl_free(s);
2022 s->method=meth;
2023 ret=s->method->ssl_new(s);
2024 }
2025
2026 if (conn == 1)
2027 s->handshake_func=meth->ssl_connect;
2028 else if (conn == 0)
2029 s->handshake_func=meth->ssl_accept;
2030 }
2031 return(ret);
2032 }
2033
2034int SSL_get_error(const SSL *s,int i)
2035 {
2036 int reason;
2037 unsigned long l;
2038 BIO *bio;
2039
2040 if (i > 0) return(SSL_ERROR_NONE);
2041
2042 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
2043 * etc, where we do encode the error */
2044 if ((l=ERR_peek_error()) != 0)
2045 {
2046 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
2047 return(SSL_ERROR_SYSCALL);
2048 else
2049 return(SSL_ERROR_SSL);
2050 }
2051
2052 if ((i < 0) && SSL_want_read(s))
2053 {
2054 bio=SSL_get_rbio(s);
2055 if (BIO_should_read(bio))
2056 return(SSL_ERROR_WANT_READ);
2057 else if (BIO_should_write(bio))
2058 /* This one doesn't make too much sense ... We never try
2059 * to write to the rbio, and an application program where
2060 * rbio and wbio are separate couldn't even know what it
2061 * should wait for.
2062 * However if we ever set s->rwstate incorrectly
2063 * (so that we have SSL_want_read(s) instead of
2064 * SSL_want_write(s)) and rbio and wbio *are* the same,
2065 * this test works around that bug; so it might be safer
2066 * to keep it. */
2067 return(SSL_ERROR_WANT_WRITE);
2068 else if (BIO_should_io_special(bio))
2069 {
2070 reason=BIO_get_retry_reason(bio);
2071 if (reason == BIO_RR_CONNECT)
2072 return(SSL_ERROR_WANT_CONNECT);
2073 else if (reason == BIO_RR_ACCEPT)
2074 return(SSL_ERROR_WANT_ACCEPT);
2075 else
2076 return(SSL_ERROR_SYSCALL); /* unknown */
2077 }
2078 }
2079
2080 if ((i < 0) && SSL_want_write(s))
2081 {
2082 bio=SSL_get_wbio(s);
2083 if (BIO_should_write(bio))
2084 return(SSL_ERROR_WANT_WRITE);
2085 else if (BIO_should_read(bio))
2086 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
2087 return(SSL_ERROR_WANT_READ);
2088 else if (BIO_should_io_special(bio))
2089 {
2090 reason=BIO_get_retry_reason(bio);
2091 if (reason == BIO_RR_CONNECT)
2092 return(SSL_ERROR_WANT_CONNECT);
2093 else if (reason == BIO_RR_ACCEPT)
2094 return(SSL_ERROR_WANT_ACCEPT);
2095 else
2096 return(SSL_ERROR_SYSCALL);
2097 }
2098 }
2099 if ((i < 0) && SSL_want_x509_lookup(s))
2100 {
2101 return(SSL_ERROR_WANT_X509_LOOKUP);
2102 }
2103
2104 if (i == 0)
2105 {
2106 if (s->version == SSL2_VERSION)
2107 {
2108 /* assume it is the socket being closed */
2109 return(SSL_ERROR_ZERO_RETURN);
2110 }
2111 else
2112 {
2113 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
2114 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
2115 return(SSL_ERROR_ZERO_RETURN);
2116 }
2117 }
2118 return(SSL_ERROR_SYSCALL);
2119 }
2120
2121int SSL_do_handshake(SSL *s)
2122 {
2123 int ret=1;
2124
2125 if (s->handshake_func == NULL)
2126 {
2127 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
2128 return(-1);
2129 }
2130
2131 s->method->ssl_renegotiate_check(s);
2132
2133 if (SSL_in_init(s) || SSL_in_before(s))
2134 {
2135 ret=s->handshake_func(s);
2136 }
2137 return(ret);
2138 }
2139
2140/* For the next 2 functions, SSL_clear() sets shutdown and so
2141 * one of these calls will reset it */
2142void SSL_set_accept_state(SSL *s)
2143 {
2144 s->server=1;
2145 s->shutdown=0;
2146 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
2147 s->handshake_func=s->method->ssl_accept;
2148 /* clear the current cipher */
2149 ssl_clear_cipher_ctx(s);
2150 }
2151
2152void SSL_set_connect_state(SSL *s)
2153 {
2154 s->server=0;
2155 s->shutdown=0;
2156 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
2157 s->handshake_func=s->method->ssl_connect;
2158 /* clear the current cipher */
2159 ssl_clear_cipher_ctx(s);
2160 }
2161
2162int ssl_undefined_function(SSL *s)
2163 {
2164 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2165 return(0);
2166 }
2167
2168int ssl_undefined_void_function(void)
2169 {
2170 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2171 return(0);
2172 }
2173
2174int ssl_undefined_const_function(const SSL *s)
2175 {
2176 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2177 return(0);
2178 }
2179
2180SSL_METHOD *ssl_bad_method(int ver)
2181 {
2182 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2183 return(NULL);
2184 }
2185
2186const char *SSL_get_version(const SSL *s)
2187 {
2188 if (s->version == TLS1_VERSION)
2189 return("TLSv1");
2190 else if (s->version == SSL3_VERSION)
2191 return("SSLv3");
2192 else if (s->version == SSL2_VERSION)
2193 return("SSLv2");
2194 else
2195 return("unknown");
2196 }
2197
2198SSL *SSL_dup(SSL *s)
2199 {
2200 STACK_OF(X509_NAME) *sk;
2201 X509_NAME *xn;
2202 SSL *ret;
2203 int i;
2204
2205 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2206 return(NULL);
2207
2208 ret->version = s->version;
2209 ret->type = s->type;
2210 ret->method = s->method;
2211
2212 if (s->session != NULL)
2213 {
2214 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2215 SSL_copy_session_id(ret,s);
2216 }
2217 else
2218 {
2219 /* No session has been established yet, so we have to expect
2220 * that s->cert or ret->cert will be changed later --
2221 * they should not both point to the same object,
2222 * and thus we can't use SSL_copy_session_id. */
2223
2224 ret->method->ssl_free(ret);
2225 ret->method = s->method;
2226 ret->method->ssl_new(ret);
2227
2228 if (s->cert != NULL)
2229 {
2230 if (ret->cert != NULL)
2231 {
2232 ssl_cert_free(ret->cert);
2233 }
2234 ret->cert = ssl_cert_dup(s->cert);
2235 if (ret->cert == NULL)
2236 goto err;
2237 }
2238
2239 SSL_set_session_id_context(ret,
2240 s->sid_ctx, s->sid_ctx_length);
2241 }
2242
2243 ret->options=s->options;
2244 ret->mode=s->mode;
2245 SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
2246 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
2247 ret->msg_callback = s->msg_callback;
2248 ret->msg_callback_arg = s->msg_callback_arg;
2249 SSL_set_verify(ret,SSL_get_verify_mode(s),
2250 SSL_get_verify_callback(s));
2251 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
2252 ret->generate_session_id = s->generate_session_id;
2253
2254 SSL_set_info_callback(ret,SSL_get_info_callback(s));
2255
2256 ret->debug=s->debug;
2257
2258 /* copy app data, a little dangerous perhaps */
2259 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
2260 goto err;
2261
2262 /* setup rbio, and wbio */
2263 if (s->rbio != NULL)
2264 {
2265 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
2266 goto err;
2267 }
2268 if (s->wbio != NULL)
2269 {
2270 if (s->wbio != s->rbio)
2271 {
2272 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
2273 goto err;
2274 }
2275 else
2276 ret->wbio=ret->rbio;
2277 }
2278 ret->rwstate = s->rwstate;
2279 ret->in_handshake = s->in_handshake;
2280 ret->handshake_func = s->handshake_func;
2281 ret->server = s->server;
2282 ret->new_session = s->new_session;
2283 ret->quiet_shutdown = s->quiet_shutdown;
2284 ret->shutdown=s->shutdown;
2285 ret->state=s->state; /* SSL_dup does not really work at any state, though */
2286 ret->rstate=s->rstate;
2287 ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2288 ret->hit=s->hit;
2289
2290 X509_VERIFY_PARAM_inherit(ret->param, s->param);
2291
2292 /* dup the cipher_list and cipher_list_by_id stacks */
2293 if (s->cipher_list != NULL)
2294 {
2295 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2296 goto err;
2297 }
2298 if (s->cipher_list_by_id != NULL)
2299 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
2300 == NULL)
2301 goto err;
2302
2303 /* Dup the client_CA list */
2304 if (s->client_CA != NULL)
2305 {
2306 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
2307 ret->client_CA=sk;
2308 for (i=0; i<sk_X509_NAME_num(sk); i++)
2309 {
2310 xn=sk_X509_NAME_value(sk,i);
2311 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
2312 {
2313 X509_NAME_free(xn);
2314 goto err;
2315 }
2316 }
2317 }
2318
2319 if (0)
2320 {
2321err:
2322 if (ret != NULL) SSL_free(ret);
2323 ret=NULL;
2324 }
2325 return(ret);
2326 }
2327
2328void ssl_clear_cipher_ctx(SSL *s)
2329 {
2330 if (s->enc_read_ctx != NULL)
2331 {
2332 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
2333 OPENSSL_free(s->enc_read_ctx);
2334 s->enc_read_ctx=NULL;
2335 }
2336 if (s->enc_write_ctx != NULL)
2337 {
2338 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
2339 OPENSSL_free(s->enc_write_ctx);
2340 s->enc_write_ctx=NULL;
2341 }
2342#ifndef OPENSSL_NO_COMP
2343 if (s->expand != NULL)
2344 {
2345 COMP_CTX_free(s->expand);
2346 s->expand=NULL;
2347 }
2348 if (s->compress != NULL)
2349 {
2350 COMP_CTX_free(s->compress);
2351 s->compress=NULL;
2352 }
2353#endif
2354 }
2355
2356/* Fix this function so that it takes an optional type parameter */
2357X509 *SSL_get_certificate(const SSL *s)
2358 {
2359 if (s->cert != NULL)
2360 return(s->cert->key->x509);
2361 else
2362 return(NULL);
2363 }
2364
2365/* Fix this function so that it takes an optional type parameter */
2366EVP_PKEY *SSL_get_privatekey(SSL *s)
2367 {
2368 if (s->cert != NULL)
2369 return(s->cert->key->privatekey);
2370 else
2371 return(NULL);
2372 }
2373
2374SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
2375 {
2376 if ((s->session != NULL) && (s->session->cipher != NULL))
2377 return(s->session->cipher);
2378 return(NULL);
2379 }
2380#ifdef OPENSSL_NO_COMP
2381const void *SSL_get_current_compression(SSL *s)
2382 {
2383 return NULL;
2384 }
2385const void *SSL_get_current_expansion(SSL *s)
2386 {
2387 return NULL;
2388 }
2389#else
2390
2391const COMP_METHOD *SSL_get_current_compression(SSL *s)
2392 {
2393 if (s->compress != NULL)
2394 return(s->compress->meth);
2395 return(NULL);
2396 }
2397
2398const COMP_METHOD *SSL_get_current_expansion(SSL *s)
2399 {
2400 if (s->expand != NULL)
2401 return(s->expand->meth);
2402 return(NULL);
2403 }
2404#endif
2405
2406int ssl_init_wbio_buffer(SSL *s,int push)
2407 {
2408 BIO *bbio;
2409
2410 if (s->bbio == NULL)
2411 {
2412 bbio=BIO_new(BIO_f_buffer());
2413 if (bbio == NULL) return(0);
2414 s->bbio=bbio;
2415 }
2416 else
2417 {
2418 bbio=s->bbio;
2419 if (s->bbio == s->wbio)
2420 s->wbio=BIO_pop(s->wbio);
2421 }
2422 (void)BIO_reset(bbio);
2423/* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2424 if (!BIO_set_read_buffer_size(bbio,1))
2425 {
2426 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
2427 return(0);
2428 }
2429 if (push)
2430 {
2431 if (s->wbio != bbio)
2432 s->wbio=BIO_push(bbio,s->wbio);
2433 }
2434 else
2435 {
2436 if (s->wbio == bbio)
2437 s->wbio=BIO_pop(bbio);
2438 }
2439 return(1);
2440 }
2441
2442void ssl_free_wbio_buffer(SSL *s)
2443 {
2444 if (s->bbio == NULL) return;
2445
2446 if (s->bbio == s->wbio)
2447 {
2448 /* remove buffering */
2449 s->wbio=BIO_pop(s->wbio);
2450#ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2451 assert(s->wbio != NULL);
2452#endif
2453 }
2454 BIO_free(s->bbio);
2455 s->bbio=NULL;
2456 }
2457
2458void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
2459 {
2460 ctx->quiet_shutdown=mode;
2461 }
2462
2463int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
2464 {
2465 return(ctx->quiet_shutdown);
2466 }
2467
2468void SSL_set_quiet_shutdown(SSL *s,int mode)
2469 {
2470 s->quiet_shutdown=mode;
2471 }
2472
2473int SSL_get_quiet_shutdown(const SSL *s)
2474 {
2475 return(s->quiet_shutdown);
2476 }
2477
2478void SSL_set_shutdown(SSL *s,int mode)
2479 {
2480 s->shutdown=mode;
2481 }
2482
2483int SSL_get_shutdown(const SSL *s)
2484 {
2485 return(s->shutdown);
2486 }
2487
2488int SSL_version(const SSL *s)
2489 {
2490 return(s->version);
2491 }
2492
2493SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
2494 {
2495 return(ssl->ctx);
2496 }
2497
2498SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
2499 {
2500 if (ssl->ctx == ctx)
2501 return ssl->ctx;
2502#ifndef OPENSSL_NO_TLSEXT
2503 if (ctx == NULL)
2504 ctx = ssl->initial_ctx;
2505#endif
2506 if (ssl->cert != NULL)
2507 ssl_cert_free(ssl->cert);
2508 ssl->cert = ssl_cert_dup(ctx->cert);
2509 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
2510 if (ssl->ctx != NULL)
2511 SSL_CTX_free(ssl->ctx); /* decrement reference count */
2512 ssl->ctx = ctx;
2513 return(ssl->ctx);
2514 }
2515
2516#ifndef OPENSSL_NO_STDIO
2517int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
2518 {
2519 return(X509_STORE_set_default_paths(ctx->cert_store));
2520 }
2521
2522int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2523 const char *CApath)
2524 {
2525 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
2526 }
2527#endif
2528
2529void SSL_set_info_callback(SSL *ssl,
2530 void (*cb)(const SSL *ssl,int type,int val))
2531 {
2532 ssl->info_callback=cb;
2533 }
2534
2535/* One compiler (Diab DCC) doesn't like argument names in returned
2536 function pointer. */
2537void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
2538 {
2539 return ssl->info_callback;
2540 }
2541
2542int SSL_state(const SSL *ssl)
2543 {
2544 return(ssl->state);
2545 }
2546
2547void SSL_set_verify_result(SSL *ssl,long arg)
2548 {
2549 ssl->verify_result=arg;
2550 }
2551
2552long SSL_get_verify_result(const SSL *ssl)
2553 {
2554 return(ssl->verify_result);
2555 }
2556
2557int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2558 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2559 {
2560 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
2561 new_func, dup_func, free_func);
2562 }
2563
2564int SSL_set_ex_data(SSL *s,int idx,void *arg)
2565 {
2566 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2567 }
2568
2569void *SSL_get_ex_data(const SSL *s,int idx)
2570 {
2571 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2572 }
2573
2574int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2575 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2576 {
2577 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
2578 new_func, dup_func, free_func);
2579 }
2580
2581int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
2582 {
2583 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2584 }
2585
2586void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx)
2587 {
2588 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2589 }
2590
2591int ssl_ok(SSL *s)
2592 {
2593 return(1);
2594 }
2595
2596X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
2597 {
2598 return(ctx->cert_store);
2599 }
2600
2601void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
2602 {
2603 if (ctx->cert_store != NULL)
2604 X509_STORE_free(ctx->cert_store);
2605 ctx->cert_store=store;
2606 }
2607
2608int SSL_want(const SSL *s)
2609 {
2610 return(s->rwstate);
2611 }
2612
2613/*!
2614 * \brief Set the callback for generating temporary RSA keys.
2615 * \param ctx the SSL context.
2616 * \param cb the callback
2617 */
2618
2619#ifndef OPENSSL_NO_RSA
2620void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2621 int is_export,
2622 int keylength))
2623 {
2624 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
2625 }
2626
2627void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2628 int is_export,
2629 int keylength))
2630 {
2631 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
2632 }
2633#endif
2634
2635#ifdef DOXYGEN
2636/*!
2637 * \brief The RSA temporary key callback function.
2638 * \param ssl the SSL session.
2639 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2640 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2641 * of the required key in bits.
2642 * \return the temporary RSA key.
2643 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2644 */
2645
2646RSA *cb(SSL *ssl,int is_export,int keylength)
2647 {}
2648#endif
2649
2650/*!
2651 * \brief Set the callback for generating temporary DH keys.
2652 * \param ctx the SSL context.
2653 * \param dh the callback
2654 */
2655
2656#ifndef OPENSSL_NO_DH
2657void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2658 int keylength))
2659 {
2660 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
2661 }
2662
2663void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2664 int keylength))
2665 {
2666 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
2667 }
2668#endif
2669
2670#ifndef OPENSSL_NO_ECDH
2671void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2672 int keylength))
2673 {
2674 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
2675 }
2676
2677void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2678 int keylength))
2679 {
2680 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
2681 }
2682#endif
2683
2684
2685void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
2686 {
2687 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
2688 }
2689void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
2690 {
2691 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
2692 }
2693
2694
2695
2696#if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
2697#include "../crypto/bio/bss_file.c"
2698#endif
2699
2700IMPLEMENT_STACK_OF(SSL_CIPHER)
2701IMPLEMENT_STACK_OF(SSL_COMP)
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-27 22:34:36 +0000