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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->tlsext_hostname)
514 OPENSSL_free(s->tlsext_hostname);
515 if (s->initial_ctx) SSL_CTX_free(s->initial_ctx);
516 if (s->tlsext_ocsp_exts)
517 sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts,
518 X509_EXTENSION_free);
519 if (s->tlsext_ocsp_ids)
520 sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);
521 if (s->tlsext_ocsp_resp)
522 OPENSSL_free(s->tlsext_ocsp_resp);
523#endif
524 if (s->client_CA != NULL)
525 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
526
527 if (s->method != NULL) s->method->ssl_free(s);
528
529#ifndef OPENSSL_NO_KRB5
530 if (s->kssl_ctx != NULL)
531 kssl_ctx_free(s->kssl_ctx);
532#endif /* OPENSSL_NO_KRB5 */
533
534 OPENSSL_free(s);
535 }
536
537void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
538 {
539 /* If the output buffering BIO is still in place, remove it
540 */
541 if (s->bbio != NULL)
542 {
543 if (s->wbio == s->bbio)
544 {
545 s->wbio=s->wbio->next_bio;
546 s->bbio->next_bio=NULL;
547 }
548 }
549 if ((s->rbio != NULL) && (s->rbio != rbio))
550 BIO_free_all(s->rbio);
551 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
552 BIO_free_all(s->wbio);
553 s->rbio=rbio;
554 s->wbio=wbio;
555 }
556
557BIO *SSL_get_rbio(const SSL *s)
558 { return(s->rbio); }
559
560BIO *SSL_get_wbio(const SSL *s)
561 { return(s->wbio); }
562
563int SSL_get_fd(const SSL *s)
564 {
565 return(SSL_get_rfd(s));
566 }
567
568int SSL_get_rfd(const SSL *s)
569 {
570 int ret= -1;
571 BIO *b,*r;
572
573 b=SSL_get_rbio(s);
574 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
575 if (r != NULL)
576 BIO_get_fd(r,&ret);
577 return(ret);
578 }
579
580int SSL_get_wfd(const SSL *s)
581 {
582 int ret= -1;
583 BIO *b,*r;
584
585 b=SSL_get_wbio(s);
586 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
587 if (r != NULL)
588 BIO_get_fd(r,&ret);
589 return(ret);
590 }
591
592#ifndef OPENSSL_NO_SOCK
593int SSL_set_fd(SSL *s,int fd)
594 {
595 int ret=0;
596 BIO *bio=NULL;
597
598 bio=BIO_new(BIO_s_socket());
599
600 if (bio == NULL)
601 {
602 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
603 goto err;
604 }
605 BIO_set_fd(bio,fd,BIO_NOCLOSE);
606 SSL_set_bio(s,bio,bio);
607 ret=1;
608err:
609 return(ret);
610 }
611
612int SSL_set_wfd(SSL *s,int fd)
613 {
614 int ret=0;
615 BIO *bio=NULL;
616
617 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
618 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
619 {
620 bio=BIO_new(BIO_s_socket());
621
622 if (bio == NULL)
623 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
624 BIO_set_fd(bio,fd,BIO_NOCLOSE);
625 SSL_set_bio(s,SSL_get_rbio(s),bio);
626 }
627 else
628 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
629 ret=1;
630err:
631 return(ret);
632 }
633
634int SSL_set_rfd(SSL *s,int fd)
635 {
636 int ret=0;
637 BIO *bio=NULL;
638
639 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
640 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
641 {
642 bio=BIO_new(BIO_s_socket());
643
644 if (bio == NULL)
645 {
646 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
647 goto err;
648 }
649 BIO_set_fd(bio,fd,BIO_NOCLOSE);
650 SSL_set_bio(s,bio,SSL_get_wbio(s));
651 }
652 else
653 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
654 ret=1;
655err:
656 return(ret);
657 }
658#endif
659
660
661/* return length of latest Finished message we sent, copy to 'buf' */
662size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
663 {
664 size_t ret = 0;
665
666 if (s->s3 != NULL)
667 {
668 ret = s->s3->tmp.finish_md_len;
669 if (count > ret)
670 count = ret;
671 memcpy(buf, s->s3->tmp.finish_md, count);
672 }
673 return ret;
674 }
675
676/* return length of latest Finished message we expected, copy to 'buf' */
677size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
678 {
679 size_t ret = 0;
680
681 if (s->s3 != NULL)
682 {
683 ret = s->s3->tmp.peer_finish_md_len;
684 if (count > ret)
685 count = ret;
686 memcpy(buf, s->s3->tmp.peer_finish_md, count);
687 }
688 return ret;
689 }
690
691
692int SSL_get_verify_mode(const SSL *s)
693 {
694 return(s->verify_mode);
695 }
696
697int SSL_get_verify_depth(const SSL *s)
698 {
699 return X509_VERIFY_PARAM_get_depth(s->param);
700 }
701
702int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *)
703 {
704 return(s->verify_callback);
705 }
706
707int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
708 {
709 return(ctx->verify_mode);
710 }
711
712int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
713 {
714 return X509_VERIFY_PARAM_get_depth(ctx->param);
715 }
716
717int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *)
718 {
719 return(ctx->default_verify_callback);
720 }
721
722void SSL_set_verify(SSL *s,int mode,
723 int (*callback)(int ok,X509_STORE_CTX *ctx))
724 {
725 s->verify_mode=mode;
726 if (callback != NULL)
727 s->verify_callback=callback;
728 }
729
730void SSL_set_verify_depth(SSL *s,int depth)
731 {
732 X509_VERIFY_PARAM_set_depth(s->param, depth);
733 }
734
735void SSL_set_read_ahead(SSL *s,int yes)
736 {
737 s->read_ahead=yes;
738 }
739
740int SSL_get_read_ahead(const SSL *s)
741 {
742 return(s->read_ahead);
743 }
744
745int SSL_pending(const SSL *s)
746 {
747 /* SSL_pending cannot work properly if read-ahead is enabled
748 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
749 * and it is impossible to fix since SSL_pending cannot report
750 * errors that may be observed while scanning the new data.
751 * (Note that SSL_pending() is often used as a boolean value,
752 * so we'd better not return -1.)
753 */
754 return(s->method->ssl_pending(s));
755 }
756
757X509 *SSL_get_peer_certificate(const SSL *s)
758 {
759 X509 *r;
760
761 if ((s == NULL) || (s->session == NULL))
762 r=NULL;
763 else
764 r=s->session->peer;
765
766 if (r == NULL) return(r);
767
768 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
769
770 return(r);
771 }
772
773STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
774 {
775 STACK_OF(X509) *r;
776
777 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
778 r=NULL;
779 else
780 r=s->session->sess_cert->cert_chain;
781
782 /* If we are a client, cert_chain includes the peer's own
783 * certificate; if we are a server, it does not. */
784
785 return(r);
786 }
787
788/* Now in theory, since the calling process own 't' it should be safe to
789 * modify. We need to be able to read f without being hassled */
790void SSL_copy_session_id(SSL *t,const SSL *f)
791 {
792 CERT *tmp;
793
794 /* Do we need to to SSL locking? */
795 SSL_set_session(t,SSL_get_session(f));
796
797 /* what if we are setup as SSLv2 but want to talk SSLv3 or
798 * vice-versa */
799 if (t->method != f->method)
800 {
801 t->method->ssl_free(t); /* cleanup current */
802 t->method=f->method; /* change method */
803 t->method->ssl_new(t); /* setup new */
804 }
805
806 tmp=t->cert;
807 if (f->cert != NULL)
808 {
809 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
810 t->cert=f->cert;
811 }
812 else
813 t->cert=NULL;
814 if (tmp != NULL) ssl_cert_free(tmp);
815 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
816 }
817
818/* Fix this so it checks all the valid key/cert options */
819int SSL_CTX_check_private_key(const SSL_CTX *ctx)
820 {
821 if ( (ctx == NULL) ||
822 (ctx->cert == NULL) ||
823 (ctx->cert->key->x509 == NULL))
824 {
825 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
826 return(0);
827 }
828 if (ctx->cert->key->privatekey == NULL)
829 {
830 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
831 return(0);
832 }
833 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
834 }
835
836/* Fix this function so that it takes an optional type parameter */
837int SSL_check_private_key(const SSL *ssl)
838 {
839 if (ssl == NULL)
840 {
841 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
842 return(0);
843 }
844 if (ssl->cert == NULL)
845 {
846 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
847 return 0;
848 }
849 if (ssl->cert->key->x509 == NULL)
850 {
851 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
852 return(0);
853 }
854 if (ssl->cert->key->privatekey == NULL)
855 {
856 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
857 return(0);
858 }
859 return(X509_check_private_key(ssl->cert->key->x509,
860 ssl->cert->key->privatekey));
861 }
862
863int SSL_accept(SSL *s)
864 {
865 if (s->handshake_func == 0)
866 /* Not properly initialized yet */
867 SSL_set_accept_state(s);
868
869 return(s->method->ssl_accept(s));
870 }
871
872int SSL_connect(SSL *s)
873 {
874 if (s->handshake_func == 0)
875 /* Not properly initialized yet */
876 SSL_set_connect_state(s);
877
878 return(s->method->ssl_connect(s));
879 }
880
881long SSL_get_default_timeout(const SSL *s)
882 {
883 return(s->method->get_timeout());
884 }
885
886int SSL_read(SSL *s,void *buf,int num)
887 {
888 if (s->handshake_func == 0)
889 {
890 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
891 return -1;
892 }
893
894 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
895 {
896 s->rwstate=SSL_NOTHING;
897 return(0);
898 }
899 return(s->method->ssl_read(s,buf,num));
900 }
901
902int SSL_peek(SSL *s,void *buf,int num)
903 {
904 if (s->handshake_func == 0)
905 {
906 SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
907 return -1;
908 }
909
910 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
911 {
912 return(0);
913 }
914 return(s->method->ssl_peek(s,buf,num));
915 }
916
917int SSL_write(SSL *s,const void *buf,int num)
918 {
919 if (s->handshake_func == 0)
920 {
921 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
922 return -1;
923 }
924
925 if (s->shutdown & SSL_SENT_SHUTDOWN)
926 {
927 s->rwstate=SSL_NOTHING;
928 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
929 return(-1);
930 }
931 return(s->method->ssl_write(s,buf,num));
932 }
933
934int SSL_shutdown(SSL *s)
935 {
936 /* Note that this function behaves differently from what one might
937 * expect. Return values are 0 for no success (yet),
938 * 1 for success; but calling it once is usually not enough,
939 * even if blocking I/O is used (see ssl3_shutdown).
940 */
941
942 if (s->handshake_func == 0)
943 {
944 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
945 return -1;
946 }
947
948 if ((s != NULL) && !SSL_in_init(s))
949 return(s->method->ssl_shutdown(s));
950 else
951 return(1);
952 }
953
954int SSL_renegotiate(SSL *s)
955 {
956 if (s->new_session == 0)
957 {
958 s->new_session=1;
959 }
960 return(s->method->ssl_renegotiate(s));
961 }
962
963int SSL_renegotiate_pending(SSL *s)
964 {
965 /* becomes true when negotiation is requested;
966 * false again once a handshake has finished */
967 return (s->new_session != 0);
968 }
969
970long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
971 {
972 long l;
973
974 switch (cmd)
975 {
976 case SSL_CTRL_GET_READ_AHEAD:
977 return(s->read_ahead);
978 case SSL_CTRL_SET_READ_AHEAD:
979 l=s->read_ahead;
980 s->read_ahead=larg;
981 return(l);
982
983 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
984 s->msg_callback_arg = parg;
985 return 1;
986
987 case SSL_CTRL_OPTIONS:
988 return(s->options|=larg);
989 case SSL_CTRL_MODE:
990 return(s->mode|=larg);
991 case SSL_CTRL_GET_MAX_CERT_LIST:
992 return(s->max_cert_list);
993 case SSL_CTRL_SET_MAX_CERT_LIST:
994 l=s->max_cert_list;
995 s->max_cert_list=larg;
996 return(l);
997 case SSL_CTRL_SET_MTU:
998 if (SSL_version(s) == DTLS1_VERSION)
999 {
1000 s->d1->mtu = larg;
1001 return larg;
1002 }
1003 return 0;
1004 default:
1005 return(s->method->ssl_ctrl(s,cmd,larg,parg));
1006 }
1007 }
1008
1009long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
1010 {
1011 switch(cmd)
1012 {
1013 case SSL_CTRL_SET_MSG_CALLBACK:
1014 s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1015 return 1;
1016
1017 default:
1018 return(s->method->ssl_callback_ctrl(s,cmd,fp));
1019 }
1020 }
1021
1022struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
1023 {
1024 return ctx->sessions;
1025 }
1026
1027long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
1028 {
1029 long l;
1030
1031 switch (cmd)
1032 {
1033 case SSL_CTRL_GET_READ_AHEAD:
1034 return(ctx->read_ahead);
1035 case SSL_CTRL_SET_READ_AHEAD:
1036 l=ctx->read_ahead;
1037 ctx->read_ahead=larg;
1038 return(l);
1039
1040 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1041 ctx->msg_callback_arg = parg;
1042 return 1;
1043
1044 case SSL_CTRL_GET_MAX_CERT_LIST:
1045 return(ctx->max_cert_list);
1046 case SSL_CTRL_SET_MAX_CERT_LIST:
1047 l=ctx->max_cert_list;
1048 ctx->max_cert_list=larg;
1049 return(l);
1050
1051 case SSL_CTRL_SET_SESS_CACHE_SIZE:
1052 l=ctx->session_cache_size;
1053 ctx->session_cache_size=larg;
1054 return(l);
1055 case SSL_CTRL_GET_SESS_CACHE_SIZE:
1056 return(ctx->session_cache_size);
1057 case SSL_CTRL_SET_SESS_CACHE_MODE:
1058 l=ctx->session_cache_mode;
1059 ctx->session_cache_mode=larg;
1060 return(l);
1061 case SSL_CTRL_GET_SESS_CACHE_MODE:
1062 return(ctx->session_cache_mode);
1063
1064 case SSL_CTRL_SESS_NUMBER:
1065 return(ctx->sessions->num_items);
1066 case SSL_CTRL_SESS_CONNECT:
1067 return(ctx->stats.sess_connect);
1068 case SSL_CTRL_SESS_CONNECT_GOOD:
1069 return(ctx->stats.sess_connect_good);
1070 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1071 return(ctx->stats.sess_connect_renegotiate);
1072 case SSL_CTRL_SESS_ACCEPT:
1073 return(ctx->stats.sess_accept);
1074 case SSL_CTRL_SESS_ACCEPT_GOOD:
1075 return(ctx->stats.sess_accept_good);
1076 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1077 return(ctx->stats.sess_accept_renegotiate);
1078 case SSL_CTRL_SESS_HIT:
1079 return(ctx->stats.sess_hit);
1080 case SSL_CTRL_SESS_CB_HIT:
1081 return(ctx->stats.sess_cb_hit);
1082 case SSL_CTRL_SESS_MISSES:
1083 return(ctx->stats.sess_miss);
1084 case SSL_CTRL_SESS_TIMEOUTS:
1085 return(ctx->stats.sess_timeout);
1086 case SSL_CTRL_SESS_CACHE_FULL:
1087 return(ctx->stats.sess_cache_full);
1088 case SSL_CTRL_OPTIONS:
1089 return(ctx->options|=larg);
1090 case SSL_CTRL_MODE:
1091 return(ctx->mode|=larg);
1092 default:
1093 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
1094 }
1095 }
1096
1097long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
1098 {
1099 switch(cmd)
1100 {
1101 case SSL_CTRL_SET_MSG_CALLBACK:
1102 ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1103 return 1;
1104
1105 default:
1106 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
1107 }
1108 }
1109
1110int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1111 {
1112 long l;
1113
1114 l=a->id-b->id;
1115 if (l == 0L)
1116 return(0);
1117 else
1118 return((l > 0)?1:-1);
1119 }
1120
1121int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
1122 const SSL_CIPHER * const *bp)
1123 {
1124 long l;
1125
1126 l=(*ap)->id-(*bp)->id;
1127 if (l == 0L)
1128 return(0);
1129 else
1130 return((l > 0)?1:-1);
1131 }
1132
1133/** return a STACK of the ciphers available for the SSL and in order of
1134 * preference */
1135STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
1136 {
1137 if (s != NULL)
1138 {
1139 if (s->cipher_list != NULL)
1140 {
1141 return(s->cipher_list);
1142 }
1143 else if ((s->ctx != NULL) &&
1144 (s->ctx->cipher_list != NULL))
1145 {
1146 return(s->ctx->cipher_list);
1147 }
1148 }
1149 return(NULL);
1150 }
1151
1152/** return a STACK of the ciphers available for the SSL and in order of
1153 * algorithm id */
1154STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
1155 {
1156 if (s != NULL)
1157 {
1158 if (s->cipher_list_by_id != NULL)
1159 {
1160 return(s->cipher_list_by_id);
1161 }
1162 else if ((s->ctx != NULL) &&
1163 (s->ctx->cipher_list_by_id != NULL))
1164 {
1165 return(s->ctx->cipher_list_by_id);
1166 }
1167 }
1168 return(NULL);
1169 }
1170
1171/** The old interface to get the same thing as SSL_get_ciphers() */
1172const char *SSL_get_cipher_list(const SSL *s,int n)
1173 {
1174 SSL_CIPHER *c;
1175 STACK_OF(SSL_CIPHER) *sk;
1176
1177 if (s == NULL) return(NULL);
1178 sk=SSL_get_ciphers(s);
1179 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
1180 return(NULL);
1181 c=sk_SSL_CIPHER_value(sk,n);
1182 if (c == NULL) return(NULL);
1183 return(c->name);
1184 }
1185
1186/** specify the ciphers to be used by default by the SSL_CTX */
1187int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1188 {
1189 STACK_OF(SSL_CIPHER) *sk;
1190
1191 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
1192 &ctx->cipher_list_by_id,str);
1193 /* ssl_create_cipher_list may return an empty stack if it
1194 * was unable to find a cipher matching the given rule string
1195 * (for example if the rule string specifies a cipher which
1196 * has been disabled). This is not an error as far as
1197 * ssl_create_cipher_list is concerned, and hence
1198 * ctx->cipher_list and ctx->cipher_list_by_id has been
1199 * updated. */
1200 if (sk == NULL)
1201 return 0;
1202 else if (sk_SSL_CIPHER_num(sk) == 0)
1203 {
1204 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1205 return 0;
1206 }
1207 return 1;
1208 }
1209
1210/** specify the ciphers to be used by the SSL */
1211int SSL_set_cipher_list(SSL *s,const char *str)
1212 {
1213 STACK_OF(SSL_CIPHER) *sk;
1214
1215 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
1216 &s->cipher_list_by_id,str);
1217 /* see comment in SSL_CTX_set_cipher_list */
1218 if (sk == NULL)
1219 return 0;
1220 else if (sk_SSL_CIPHER_num(sk) == 0)
1221 {
1222 SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1223 return 0;
1224 }
1225 return 1;
1226 }
1227
1228/* works well for SSLv2, not so good for SSLv3 */
1229char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
1230 {
1231 char *end;
1232 STACK_OF(SSL_CIPHER) *sk;
1233 SSL_CIPHER *c;
1234 size_t curlen = 0;
1235 int i;
1236
1237 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
1238 (len < 2))
1239 return(NULL);
1240
1241 sk=s->session->ciphers;
1242 buf[0] = '\0';
1243 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1244 {
1245 c=sk_SSL_CIPHER_value(sk,i);
1246 end = buf + curlen;
1247 if (strlcat(buf, c->name, len) >= len ||
1248 (curlen = strlcat(buf, ":", len)) >= len)
1249 {
1250 /* remove truncated cipher from list */
1251 *end = '\0';
1252 break;
1253 }
1254 }
1255 /* remove trailing colon */
1256 if ((end = strrchr(buf, ':')) != NULL)
1257 *end = '\0';
1258 return(buf);
1259 }
1260
1261int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
1262 int (*put_cb)(const SSL_CIPHER *, unsigned char *))
1263 {
1264 int i,j=0;
1265 SSL_CIPHER *c;
1266 unsigned char *q;
1267#ifndef OPENSSL_NO_KRB5
1268 int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
1269#endif /* OPENSSL_NO_KRB5 */
1270
1271 if (sk == NULL) return(0);
1272 q=p;
1273
1274 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1275 {
1276 c=sk_SSL_CIPHER_value(sk,i);
1277#ifndef OPENSSL_NO_KRB5
1278 if ((c->algorithms & SSL_KRB5) && nokrb5)
1279 continue;
1280#endif /* OPENSSL_NO_KRB5 */
1281
1282 j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
1283 p+=j;
1284 }
1285 return(p-q);
1286 }
1287
1288STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1289 STACK_OF(SSL_CIPHER) **skp)
1290 {
1291 SSL_CIPHER *c;
1292 STACK_OF(SSL_CIPHER) *sk;
1293 int i,n;
1294
1295 n=ssl_put_cipher_by_char(s,NULL,NULL);
1296 if ((num%n) != 0)
1297 {
1298 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1299 return(NULL);
1300 }
1301 if ((skp == NULL) || (*skp == NULL))
1302 sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1303 else
1304 {
1305 sk= *skp;
1306 sk_SSL_CIPHER_zero(sk);
1307 }
1308
1309 for (i=0; i<num; i+=n)
1310 {
1311 c=ssl_get_cipher_by_char(s,p);
1312 p+=n;
1313 if (c != NULL)
1314 {
1315 if (!sk_SSL_CIPHER_push(sk,c))
1316 {
1317 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1318 goto err;
1319 }
1320 }
1321 }
1322
1323 if (skp != NULL)
1324 *skp=sk;
1325 return(sk);
1326err:
1327 if ((skp == NULL) || (*skp == NULL))
1328 sk_SSL_CIPHER_free(sk);
1329 return(NULL);
1330 }
1331
1332#ifndef OPENSSL_NO_TLSEXT
1333/** return a servername extension value if provided in Client Hello, or NULL.
1334 * So far, only host_name types are defined (RFC 3546).
1335 */
1336
1337const char *SSL_get_servername(const SSL *s, const int type)
1338 {
1339 if (type != TLSEXT_NAMETYPE_host_name)
1340 return NULL;
1341
1342 return s->session && !s->tlsext_hostname ?
1343 s->session->tlsext_hostname :
1344 s->tlsext_hostname;
1345 }
1346
1347int SSL_get_servername_type(const SSL *s)
1348 {
1349 if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname))
1350 return TLSEXT_NAMETYPE_host_name;
1351 return -1;
1352 }
1353#endif
1354
1355unsigned long SSL_SESSION_hash(const SSL_SESSION *a)
1356 {
1357 unsigned long l;
1358
1359 l=(unsigned long)
1360 ((unsigned int) a->session_id[0] )|
1361 ((unsigned int) a->session_id[1]<< 8L)|
1362 ((unsigned long)a->session_id[2]<<16L)|
1363 ((unsigned long)a->session_id[3]<<24L);
1364 return(l);
1365 }
1366
1367/* NB: If this function (or indeed the hash function which uses a sort of
1368 * coarser function than this one) is changed, ensure
1369 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1370 * able to construct an SSL_SESSION that will collide with any existing session
1371 * with a matching session ID. */
1372int SSL_SESSION_cmp(const SSL_SESSION *a,const SSL_SESSION *b)
1373 {
1374 if (a->ssl_version != b->ssl_version)
1375 return(1);
1376 if (a->session_id_length != b->session_id_length)
1377 return(1);
1378 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1379 }
1380
1381/* These wrapper functions should remain rather than redeclaring
1382 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1383 * variable. The reason is that the functions aren't static, they're exposed via
1384 * ssl.h. */
1385static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
1386static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
1387
1388SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
1389 {
1390 SSL_CTX *ret=NULL;
1391
1392 if (meth == NULL)
1393 {
1394 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1395 return(NULL);
1396 }
1397
1398#ifdef OPENSSL_FIPS
1399 if (FIPS_mode() && (meth->version < TLS1_VERSION))
1400 {
1401 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
1402 return NULL;
1403 }
1404#endif
1405
1406 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1407 {
1408 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1409 goto err;
1410 }
1411 ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
1412 if (ret == NULL)
1413 goto err;
1414
1415 memset(ret,0,sizeof(SSL_CTX));
1416
1417 ret->method=meth;
1418
1419 ret->cert_store=NULL;
1420 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1421 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1422 ret->session_cache_head=NULL;
1423 ret->session_cache_tail=NULL;
1424
1425 /* We take the system default */
1426 ret->session_timeout=meth->get_timeout();
1427
1428 ret->new_session_cb=0;
1429 ret->remove_session_cb=0;
1430 ret->get_session_cb=0;
1431 ret->generate_session_id=0;
1432
1433 memset((char *)&ret->stats,0,sizeof(ret->stats));
1434
1435 ret->references=1;
1436 ret->quiet_shutdown=0;
1437
1438/* ret->cipher=NULL;*/
1439/* ret->s2->challenge=NULL;
1440 ret->master_key=NULL;
1441 ret->key_arg=NULL;
1442 ret->s2->conn_id=NULL; */
1443
1444 ret->info_callback=NULL;
1445
1446 ret->app_verify_callback=0;
1447 ret->app_verify_arg=NULL;
1448
1449 ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
1450 ret->read_ahead=0;
1451 ret->msg_callback=0;
1452 ret->msg_callback_arg=NULL;
1453 ret->verify_mode=SSL_VERIFY_NONE;
1454#if 0
1455 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1456#endif
1457 ret->sid_ctx_length=0;
1458 ret->default_verify_callback=NULL;
1459 if ((ret->cert=ssl_cert_new()) == NULL)
1460 goto err;
1461
1462 ret->default_passwd_callback=0;
1463 ret->default_passwd_callback_userdata=NULL;
1464 ret->client_cert_cb=0;
1465 ret->app_gen_cookie_cb=0;
1466 ret->app_verify_cookie_cb=0;
1467
1468 ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
1469 LHASH_COMP_FN(SSL_SESSION_cmp));
1470 if (ret->sessions == NULL) goto err;
1471 ret->cert_store=X509_STORE_new();
1472 if (ret->cert_store == NULL) goto err;
1473
1474 ssl_create_cipher_list(ret->method,
1475 &ret->cipher_list,&ret->cipher_list_by_id,
1476 SSL_DEFAULT_CIPHER_LIST);
1477 if (ret->cipher_list == NULL
1478 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1479 {
1480 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1481 goto err2;
1482 }
1483
1484 ret->param = X509_VERIFY_PARAM_new();
1485 if (!ret->param)
1486 goto err;
1487
1488 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1489 {
1490 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1491 goto err2;
1492 }
1493 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1494 {
1495 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1496 goto err2;
1497 }
1498 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1499 {
1500 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1501 goto err2;
1502 }
1503
1504 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1505 goto err;
1506
1507 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
1508
1509 ret->extra_certs=NULL;
1510 ret->comp_methods=SSL_COMP_get_compression_methods();
1511
1512#ifndef OPENSSL_NO_TLSEXT
1513 ret->tlsext_servername_callback = 0;
1514 ret->tlsext_servername_arg = NULL;
1515 /* Setup RFC4507 ticket keys */
1516 if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0)
1517 || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0)
1518 || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0))
1519 ret->options |= SSL_OP_NO_TICKET;
1520
1521 ret->tlsext_status_cb = 0;
1522 ret->tlsext_status_arg = NULL;
1523
1524#endif
1525
1526#ifndef OPENSSL_NO_ENGINE
1527 ret->client_cert_engine = NULL;
1528#ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1529#define eng_strx(x) #x
1530#define eng_str(x) eng_strx(x)
1531 /* Use specific client engine automatically... ignore errors */
1532 {
1533 ENGINE *eng;
1534 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1535 if (!eng)
1536 {
1537 ERR_clear_error();
1538 ENGINE_load_builtin_engines();
1539 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1540 }
1541 if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))
1542 ERR_clear_error();
1543 }
1544#endif
1545#endif
1546
1547 return(ret);
1548err:
1549 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1550err2:
1551 if (ret != NULL) SSL_CTX_free(ret);
1552 return(NULL);
1553 }
1554
1555#if 0
1556static void SSL_COMP_free(SSL_COMP *comp)
1557 { OPENSSL_free(comp); }
1558#endif
1559
1560void SSL_CTX_free(SSL_CTX *a)
1561 {
1562 int i;
1563
1564 if (a == NULL) return;
1565
1566 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1567#ifdef REF_PRINT
1568 REF_PRINT("SSL_CTX",a);
1569#endif
1570 if (i > 0) return;
1571#ifdef REF_CHECK
1572 if (i < 0)
1573 {
1574 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1575 abort(); /* ok */
1576 }
1577#endif
1578
1579 if (a->param)
1580 X509_VERIFY_PARAM_free(a->param);
1581
1582 /*
1583 * Free internal session cache. However: the remove_cb() may reference
1584 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1585 * after the sessions were flushed.
1586 * As the ex_data handling routines might also touch the session cache,
1587 * the most secure solution seems to be: empty (flush) the cache, then
1588 * free ex_data, then finally free the cache.
1589 * (See ticket [openssl.org #212].)
1590 */
1591 if (a->sessions != NULL)
1592 SSL_CTX_flush_sessions(a,0);
1593
1594 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
1595
1596 if (a->sessions != NULL)
1597 lh_free(a->sessions);
1598
1599 if (a->cert_store != NULL)
1600 X509_STORE_free(a->cert_store);
1601 if (a->cipher_list != NULL)
1602 sk_SSL_CIPHER_free(a->cipher_list);
1603 if (a->cipher_list_by_id != NULL)
1604 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1605 if (a->cert != NULL)
1606 ssl_cert_free(a->cert);
1607 if (a->client_CA != NULL)
1608 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1609 if (a->extra_certs != NULL)
1610 sk_X509_pop_free(a->extra_certs,X509_free);
1611#if 0 /* This should never be done, since it removes a global database */
1612 if (a->comp_methods != NULL)
1613 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1614#else
1615 a->comp_methods = NULL;
1616#endif
1617#ifndef OPENSSL_NO_ENGINE
1618 if (a->client_cert_engine)
1619 ENGINE_finish(a->client_cert_engine);
1620#endif
1621 OPENSSL_free(a);
1622 }
1623
1624void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1625 {
1626 ctx->default_passwd_callback=cb;
1627 }
1628
1629void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1630 {
1631 ctx->default_passwd_callback_userdata=u;
1632 }
1633
1634void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
1635 {
1636 ctx->app_verify_callback=cb;
1637 ctx->app_verify_arg=arg;
1638 }
1639
1640void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1641 {
1642 ctx->verify_mode=mode;
1643 ctx->default_verify_callback=cb;
1644 }
1645
1646void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1647 {
1648 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
1649 }
1650
1651void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1652 {
1653 CERT_PKEY *cpk;
1654 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1655 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1656 int rsa_tmp_export,dh_tmp_export,kl;
1657 unsigned long mask,emask;
1658 int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
1659#ifndef OPENSSL_NO_ECDH
1660 int have_ecdh_tmp;
1661#endif
1662 X509 *x = NULL;
1663 EVP_PKEY *ecc_pkey = NULL;
1664 int signature_nid = 0;
1665
1666 if (c == NULL) return;
1667
1668 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1669
1670#ifndef OPENSSL_NO_RSA
1671 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1672 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1673 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1674#else
1675 rsa_tmp=rsa_tmp_export=0;
1676#endif
1677#ifndef OPENSSL_NO_DH
1678 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1679 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1680 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1681#else
1682 dh_tmp=dh_tmp_export=0;
1683#endif
1684
1685#ifndef OPENSSL_NO_ECDH
1686 have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
1687#endif
1688 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1689 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1690 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1691 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1692 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1693 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1694 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1695 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1696 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1697 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1698 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1699/* FIX THIS EAY EAY EAY */
1700 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1701 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1702 cpk= &(c->pkeys[SSL_PKEY_ECC]);
1703 have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
1704 mask=0;
1705 emask=0;
1706
1707#ifdef CIPHER_DEBUG
1708 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1709 rsa_tmp,rsa_tmp_export,dh_tmp,
1710 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1711#endif
1712
1713 if (rsa_enc || (rsa_tmp && rsa_sign))
1714 mask|=SSL_kRSA;
1715 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1716 emask|=SSL_kRSA;
1717
1718#if 0
1719 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1720 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1721 (rsa_enc || rsa_sign || dsa_sign))
1722 mask|=SSL_kEDH;
1723 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1724 (rsa_enc || rsa_sign || dsa_sign))
1725 emask|=SSL_kEDH;
1726#endif
1727
1728 if (dh_tmp_export)
1729 emask|=SSL_kEDH;
1730
1731 if (dh_tmp)
1732 mask|=SSL_kEDH;
1733
1734 if (dh_rsa) mask|=SSL_kDHr;
1735 if (dh_rsa_export) emask|=SSL_kDHr;
1736
1737 if (dh_dsa) mask|=SSL_kDHd;
1738 if (dh_dsa_export) emask|=SSL_kDHd;
1739
1740 if (rsa_enc || rsa_sign)
1741 {
1742 mask|=SSL_aRSA;
1743 emask|=SSL_aRSA;
1744 }
1745
1746 if (dsa_sign)
1747 {
1748 mask|=SSL_aDSS;
1749 emask|=SSL_aDSS;
1750 }
1751
1752 mask|=SSL_aNULL;
1753 emask|=SSL_aNULL;
1754
1755#ifndef OPENSSL_NO_KRB5
1756 mask|=SSL_kKRB5|SSL_aKRB5;
1757 emask|=SSL_kKRB5|SSL_aKRB5;
1758#endif
1759
1760 /* An ECC certificate may be usable for ECDH and/or
1761 * ECDSA cipher suites depending on the key usage extension.
1762 */
1763 if (have_ecc_cert)
1764 {
1765 /* This call populates extension flags (ex_flags) */
1766 x = (c->pkeys[SSL_PKEY_ECC]).x509;
1767 X509_check_purpose(x, -1, 0);
1768 ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1769 (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
1770 ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1771 (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
1772 ecc_pkey = X509_get_pubkey(x);
1773 ecc_pkey_size = (ecc_pkey != NULL) ?
1774 EVP_PKEY_bits(ecc_pkey) : 0;
1775 EVP_PKEY_free(ecc_pkey);
1776 if ((x->sig_alg) && (x->sig_alg->algorithm))
1777 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1778#ifndef OPENSSL_NO_ECDH
1779 if (ecdh_ok)
1780 {
1781 if ((signature_nid == NID_md5WithRSAEncryption) ||
1782 (signature_nid == NID_md4WithRSAEncryption) ||
1783 (signature_nid == NID_md2WithRSAEncryption))
1784 {
1785 mask|=SSL_kECDH|SSL_aRSA;
1786 if (ecc_pkey_size <= 163)
1787 emask|=SSL_kECDH|SSL_aRSA;
1788 }
1789 if (signature_nid == NID_ecdsa_with_SHA1)
1790 {
1791 mask|=SSL_kECDH|SSL_aECDSA;
1792 if (ecc_pkey_size <= 163)
1793 emask|=SSL_kECDH|SSL_aECDSA;
1794 }
1795 }
1796#endif
1797#ifndef OPENSSL_NO_ECDSA
1798 if (ecdsa_ok)
1799 {
1800 mask|=SSL_aECDSA;
1801 emask|=SSL_aECDSA;
1802 }
1803#endif
1804 }
1805
1806#ifndef OPENSSL_NO_ECDH
1807 if (have_ecdh_tmp)
1808 {
1809 mask|=SSL_kECDHE;
1810 emask|=SSL_kECDHE;
1811 }
1812#endif
1813 c->mask=mask;
1814 c->export_mask=emask;
1815 c->valid=1;
1816 }
1817
1818/* This handy macro borrowed from crypto/x509v3/v3_purp.c */
1819#define ku_reject(x, usage) \
1820 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
1821
1822int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
1823 {
1824 unsigned long alg = cs->algorithms;
1825 EVP_PKEY *pkey = NULL;
1826 int keysize = 0;
1827 int signature_nid = 0;
1828
1829 if (SSL_C_IS_EXPORT(cs))
1830 {
1831 /* ECDH key length in export ciphers must be <= 163 bits */
1832 pkey = X509_get_pubkey(x);
1833 if (pkey == NULL) return 0;
1834 keysize = EVP_PKEY_bits(pkey);
1835 EVP_PKEY_free(pkey);
1836 if (keysize > 163) return 0;
1837 }
1838
1839 /* This call populates the ex_flags field correctly */
1840 X509_check_purpose(x, -1, 0);
1841 if ((x->sig_alg) && (x->sig_alg->algorithm))
1842 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1843 if (alg & SSL_kECDH)
1844 {
1845 /* key usage, if present, must allow key agreement */
1846 if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
1847 {
1848 return 0;
1849 }
1850 if (alg & SSL_aECDSA)
1851 {
1852 /* signature alg must be ECDSA */
1853 if (signature_nid != NID_ecdsa_with_SHA1)
1854 {
1855 return 0;
1856 }
1857 }
1858 if (alg & SSL_aRSA)
1859 {
1860 /* signature alg must be RSA */
1861 if ((signature_nid != NID_md5WithRSAEncryption) &&
1862 (signature_nid != NID_md4WithRSAEncryption) &&
1863 (signature_nid != NID_md2WithRSAEncryption))
1864 {
1865 return 0;
1866 }
1867 }
1868 }
1869 else if (alg & SSL_aECDSA)
1870 {
1871 /* key usage, if present, must allow signing */
1872 if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
1873 {
1874 return 0;
1875 }
1876 }
1877
1878 return 1; /* all checks are ok */
1879 }
1880
1881/* THIS NEEDS CLEANING UP */
1882X509 *ssl_get_server_send_cert(SSL *s)
1883 {
1884 unsigned long alg,mask,kalg;
1885 CERT *c;
1886 int i,is_export;
1887
1888 c=s->cert;
1889 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1890 alg=s->s3->tmp.new_cipher->algorithms;
1891 is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1892 mask=is_export?c->export_mask:c->mask;
1893 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1894
1895 if (kalg & SSL_kECDH)
1896 {
1897 /* we don't need to look at SSL_kECDHE
1898 * since no certificate is needed for
1899 * anon ECDH and for authenticated
1900 * ECDHE, the check for the auth
1901 * algorithm will set i correctly
1902 * NOTE: For ECDH-RSA, we need an ECC
1903 * not an RSA cert but for ECDHE-RSA
1904 * we need an RSA cert. Placing the
1905 * checks for SSL_kECDH before RSA
1906 * checks ensures the correct cert is chosen.
1907 */
1908 i=SSL_PKEY_ECC;
1909 }
1910 else if (kalg & SSL_aECDSA)
1911 {
1912 i=SSL_PKEY_ECC;
1913 }
1914 else if (kalg & SSL_kDHr)
1915 i=SSL_PKEY_DH_RSA;
1916 else if (kalg & SSL_kDHd)
1917 i=SSL_PKEY_DH_DSA;
1918 else if (kalg & SSL_aDSS)
1919 i=SSL_PKEY_DSA_SIGN;
1920 else if (kalg & SSL_aRSA)
1921 {
1922 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1923 i=SSL_PKEY_RSA_SIGN;
1924 else
1925 i=SSL_PKEY_RSA_ENC;
1926 }
1927 else if (kalg & SSL_aKRB5)
1928 {
1929 /* VRS something else here? */
1930 return(NULL);
1931 }
1932 else /* if (kalg & SSL_aNULL) */
1933 {
1934 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
1935 return(NULL);
1936 }
1937 if (c->pkeys[i].x509 == NULL) return(NULL);
1938
1939 return(c->pkeys[i].x509);
1940 }
1941
1942EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1943 {
1944 unsigned long alg;
1945 CERT *c;
1946
1947 alg=cipher->algorithms;
1948 c=s->cert;
1949
1950 if ((alg & SSL_aDSS) &&
1951 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1952 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1953 else if (alg & SSL_aRSA)
1954 {
1955 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1956 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1957 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1958 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1959 else
1960 return(NULL);
1961 }
1962 else if ((alg & SSL_aECDSA) &&
1963 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
1964 return(c->pkeys[SSL_PKEY_ECC].privatekey);
1965 else /* if (alg & SSL_aNULL) */
1966 {
1967 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
1968 return(NULL);
1969 }
1970 }
1971
1972void ssl_update_cache(SSL *s,int mode)
1973 {
1974 int i;
1975
1976 /* If the session_id_length is 0, we are not supposed to cache it,
1977 * and it would be rather hard to do anyway :-) */
1978 if (s->session->session_id_length == 0) return;
1979
1980 i=s->ctx->session_cache_mode;
1981 if ((i & mode) && (!s->hit)
1982 && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
1983 || SSL_CTX_add_session(s->ctx,s->session))
1984 && (s->ctx->new_session_cb != NULL))
1985 {
1986 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1987 if (!s->ctx->new_session_cb(s,s->session))
1988 SSL_SESSION_free(s->session);
1989 }
1990
1991 /* auto flush every 255 connections */
1992 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1993 ((i & mode) == mode))
1994 {
1995 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1996 ?s->ctx->stats.sess_connect_good
1997 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1998 {
1999 SSL_CTX_flush_sessions(s->ctx,(unsigned long)time(NULL));
2000 }
2001 }
2002 }
2003
2004SSL_METHOD *SSL_get_ssl_method(SSL *s)
2005 {
2006 return(s->method);
2007 }
2008
2009int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
2010 {
2011 int conn= -1;
2012 int ret=1;
2013
2014 if (s->method != meth)
2015 {
2016 if (s->handshake_func != NULL)
2017 conn=(s->handshake_func == s->method->ssl_connect);
2018
2019 if (s->method->version == meth->version)
2020 s->method=meth;
2021 else
2022 {
2023 s->method->ssl_free(s);
2024 s->method=meth;
2025 ret=s->method->ssl_new(s);
2026 }
2027
2028 if (conn == 1)
2029 s->handshake_func=meth->ssl_connect;
2030 else if (conn == 0)
2031 s->handshake_func=meth->ssl_accept;
2032 }
2033 return(ret);
2034 }
2035
2036int SSL_get_error(const SSL *s,int i)
2037 {
2038 int reason;
2039 unsigned long l;
2040 BIO *bio;
2041
2042 if (i > 0) return(SSL_ERROR_NONE);
2043
2044 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
2045 * etc, where we do encode the error */
2046 if ((l=ERR_peek_error()) != 0)
2047 {
2048 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
2049 return(SSL_ERROR_SYSCALL);
2050 else
2051 return(SSL_ERROR_SSL);
2052 }
2053
2054 if ((i < 0) && SSL_want_read(s))
2055 {
2056 bio=SSL_get_rbio(s);
2057 if (BIO_should_read(bio))
2058 return(SSL_ERROR_WANT_READ);
2059 else if (BIO_should_write(bio))
2060 /* This one doesn't make too much sense ... We never try
2061 * to write to the rbio, and an application program where
2062 * rbio and wbio are separate couldn't even know what it
2063 * should wait for.
2064 * However if we ever set s->rwstate incorrectly
2065 * (so that we have SSL_want_read(s) instead of
2066 * SSL_want_write(s)) and rbio and wbio *are* the same,
2067 * this test works around that bug; so it might be safer
2068 * to keep it. */
2069 return(SSL_ERROR_WANT_WRITE);
2070 else if (BIO_should_io_special(bio))
2071 {
2072 reason=BIO_get_retry_reason(bio);
2073 if (reason == BIO_RR_CONNECT)
2074 return(SSL_ERROR_WANT_CONNECT);
2075 else if (reason == BIO_RR_ACCEPT)
2076 return(SSL_ERROR_WANT_ACCEPT);
2077 else
2078 return(SSL_ERROR_SYSCALL); /* unknown */
2079 }
2080 }
2081
2082 if ((i < 0) && SSL_want_write(s))
2083 {
2084 bio=SSL_get_wbio(s);
2085 if (BIO_should_write(bio))
2086 return(SSL_ERROR_WANT_WRITE);
2087 else if (BIO_should_read(bio))
2088 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
2089 return(SSL_ERROR_WANT_READ);
2090 else if (BIO_should_io_special(bio))
2091 {
2092 reason=BIO_get_retry_reason(bio);
2093 if (reason == BIO_RR_CONNECT)
2094 return(SSL_ERROR_WANT_CONNECT);
2095 else if (reason == BIO_RR_ACCEPT)
2096 return(SSL_ERROR_WANT_ACCEPT);
2097 else
2098 return(SSL_ERROR_SYSCALL);
2099 }
2100 }
2101 if ((i < 0) && SSL_want_x509_lookup(s))
2102 {
2103 return(SSL_ERROR_WANT_X509_LOOKUP);
2104 }
2105
2106 if (i == 0)
2107 {
2108 if (s->version == SSL2_VERSION)
2109 {
2110 /* assume it is the socket being closed */
2111 return(SSL_ERROR_ZERO_RETURN);
2112 }
2113 else
2114 {
2115 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
2116 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
2117 return(SSL_ERROR_ZERO_RETURN);
2118 }
2119 }
2120 return(SSL_ERROR_SYSCALL);
2121 }
2122
2123int SSL_do_handshake(SSL *s)
2124 {
2125 int ret=1;
2126
2127 if (s->handshake_func == NULL)
2128 {
2129 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
2130 return(-1);
2131 }
2132
2133 s->method->ssl_renegotiate_check(s);
2134
2135 if (SSL_in_init(s) || SSL_in_before(s))
2136 {
2137 ret=s->handshake_func(s);
2138 }
2139 return(ret);
2140 }
2141
2142/* For the next 2 functions, SSL_clear() sets shutdown and so
2143 * one of these calls will reset it */
2144void SSL_set_accept_state(SSL *s)
2145 {
2146 s->server=1;
2147 s->shutdown=0;
2148 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
2149 s->handshake_func=s->method->ssl_accept;
2150 /* clear the current cipher */
2151 ssl_clear_cipher_ctx(s);
2152 }
2153
2154void SSL_set_connect_state(SSL *s)
2155 {
2156 s->server=0;
2157 s->shutdown=0;
2158 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
2159 s->handshake_func=s->method->ssl_connect;
2160 /* clear the current cipher */
2161 ssl_clear_cipher_ctx(s);
2162 }
2163
2164int ssl_undefined_function(SSL *s)
2165 {
2166 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2167 return(0);
2168 }
2169
2170int ssl_undefined_void_function(void)
2171 {
2172 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2173 return(0);
2174 }
2175
2176int ssl_undefined_const_function(const SSL *s)
2177 {
2178 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2179 return(0);
2180 }
2181
2182SSL_METHOD *ssl_bad_method(int ver)
2183 {
2184 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2185 return(NULL);
2186 }
2187
2188const char *SSL_get_version(const SSL *s)
2189 {
2190 if (s->version == TLS1_VERSION)
2191 return("TLSv1");
2192 else if (s->version == SSL3_VERSION)
2193 return("SSLv3");
2194 else if (s->version == SSL2_VERSION)
2195 return("SSLv2");
2196 else
2197 return("unknown");
2198 }
2199
2200SSL *SSL_dup(SSL *s)
2201 {
2202 STACK_OF(X509_NAME) *sk;
2203 X509_NAME *xn;
2204 SSL *ret;
2205 int i;
2206
2207 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2208 return(NULL);
2209
2210 ret->version = s->version;
2211 ret->type = s->type;
2212 ret->method = s->method;
2213
2214 if (s->session != NULL)
2215 {
2216 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2217 SSL_copy_session_id(ret,s);
2218 }
2219 else
2220 {
2221 /* No session has been established yet, so we have to expect
2222 * that s->cert or ret->cert will be changed later --
2223 * they should not both point to the same object,
2224 * and thus we can't use SSL_copy_session_id. */
2225
2226 ret->method->ssl_free(ret);
2227 ret->method = s->method;
2228 ret->method->ssl_new(ret);
2229
2230 if (s->cert != NULL)
2231 {
2232 if (ret->cert != NULL)
2233 {
2234 ssl_cert_free(ret->cert);
2235 }
2236 ret->cert = ssl_cert_dup(s->cert);
2237 if (ret->cert == NULL)
2238 goto err;
2239 }
2240
2241 SSL_set_session_id_context(ret,
2242 s->sid_ctx, s->sid_ctx_length);
2243 }
2244
2245 ret->options=s->options;
2246 ret->mode=s->mode;
2247 SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
2248 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
2249 ret->msg_callback = s->msg_callback;
2250 ret->msg_callback_arg = s->msg_callback_arg;
2251 SSL_set_verify(ret,SSL_get_verify_mode(s),
2252 SSL_get_verify_callback(s));
2253 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
2254 ret->generate_session_id = s->generate_session_id;
2255
2256 SSL_set_info_callback(ret,SSL_get_info_callback(s));
2257
2258 ret->debug=s->debug;
2259
2260 /* copy app data, a little dangerous perhaps */
2261 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
2262 goto err;
2263
2264 /* setup rbio, and wbio */
2265 if (s->rbio != NULL)
2266 {
2267 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
2268 goto err;
2269 }
2270 if (s->wbio != NULL)
2271 {
2272 if (s->wbio != s->rbio)
2273 {
2274 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
2275 goto err;
2276 }
2277 else
2278 ret->wbio=ret->rbio;
2279 }
2280 ret->rwstate = s->rwstate;
2281 ret->in_handshake = s->in_handshake;
2282 ret->handshake_func = s->handshake_func;
2283 ret->server = s->server;
2284 ret->new_session = s->new_session;
2285 ret->quiet_shutdown = s->quiet_shutdown;
2286 ret->shutdown=s->shutdown;
2287 ret->state=s->state; /* SSL_dup does not really work at any state, though */
2288 ret->rstate=s->rstate;
2289 ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2290 ret->hit=s->hit;
2291
2292 X509_VERIFY_PARAM_inherit(ret->param, s->param);
2293
2294 /* dup the cipher_list and cipher_list_by_id stacks */
2295 if (s->cipher_list != NULL)
2296 {
2297 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2298 goto err;
2299 }
2300 if (s->cipher_list_by_id != NULL)
2301 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
2302 == NULL)
2303 goto err;
2304
2305 /* Dup the client_CA list */
2306 if (s->client_CA != NULL)
2307 {
2308 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
2309 ret->client_CA=sk;
2310 for (i=0; i<sk_X509_NAME_num(sk); i++)
2311 {
2312 xn=sk_X509_NAME_value(sk,i);
2313 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
2314 {
2315 X509_NAME_free(xn);
2316 goto err;
2317 }
2318 }
2319 }
2320
2321 if (0)
2322 {
2323err:
2324 if (ret != NULL) SSL_free(ret);
2325 ret=NULL;
2326 }
2327 return(ret);
2328 }
2329
2330void ssl_clear_cipher_ctx(SSL *s)
2331 {
2332 if (s->enc_read_ctx != NULL)
2333 {
2334 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
2335 OPENSSL_free(s->enc_read_ctx);
2336 s->enc_read_ctx=NULL;
2337 }
2338 if (s->enc_write_ctx != NULL)
2339 {
2340 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
2341 OPENSSL_free(s->enc_write_ctx);
2342 s->enc_write_ctx=NULL;
2343 }
2344#ifndef OPENSSL_NO_COMP
2345 if (s->expand != NULL)
2346 {
2347 COMP_CTX_free(s->expand);
2348 s->expand=NULL;
2349 }
2350 if (s->compress != NULL)
2351 {
2352 COMP_CTX_free(s->compress);
2353 s->compress=NULL;
2354 }
2355#endif
2356 }
2357
2358/* Fix this function so that it takes an optional type parameter */
2359X509 *SSL_get_certificate(const SSL *s)
2360 {
2361 if (s->cert != NULL)
2362 return(s->cert->key->x509);
2363 else
2364 return(NULL);
2365 }
2366
2367/* Fix this function so that it takes an optional type parameter */
2368EVP_PKEY *SSL_get_privatekey(SSL *s)
2369 {
2370 if (s->cert != NULL)
2371 return(s->cert->key->privatekey);
2372 else
2373 return(NULL);
2374 }
2375
2376SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
2377 {
2378 if ((s->session != NULL) && (s->session->cipher != NULL))
2379 return(s->session->cipher);
2380 return(NULL);
2381 }
2382#ifdef OPENSSL_NO_COMP
2383const void *SSL_get_current_compression(SSL *s)
2384 {
2385 return NULL;
2386 }
2387const void *SSL_get_current_expansion(SSL *s)
2388 {
2389 return NULL;
2390 }
2391#else
2392
2393const COMP_METHOD *SSL_get_current_compression(SSL *s)
2394 {
2395 if (s->compress != NULL)
2396 return(s->compress->meth);
2397 return(NULL);
2398 }
2399
2400const COMP_METHOD *SSL_get_current_expansion(SSL *s)
2401 {
2402 if (s->expand != NULL)
2403 return(s->expand->meth);
2404 return(NULL);
2405 }
2406#endif
2407
2408int ssl_init_wbio_buffer(SSL *s,int push)
2409 {
2410 BIO *bbio;
2411
2412 if (s->bbio == NULL)
2413 {
2414 bbio=BIO_new(BIO_f_buffer());
2415 if (bbio == NULL) return(0);
2416 s->bbio=bbio;
2417 }
2418 else
2419 {
2420 bbio=s->bbio;
2421 if (s->bbio == s->wbio)
2422 s->wbio=BIO_pop(s->wbio);
2423 }
2424 (void)BIO_reset(bbio);
2425/* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2426 if (!BIO_set_read_buffer_size(bbio,1))
2427 {
2428 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
2429 return(0);
2430 }
2431 if (push)
2432 {
2433 if (s->wbio != bbio)
2434 s->wbio=BIO_push(bbio,s->wbio);
2435 }
2436 else
2437 {
2438 if (s->wbio == bbio)
2439 s->wbio=BIO_pop(bbio);
2440 }
2441 return(1);
2442 }
2443
2444void ssl_free_wbio_buffer(SSL *s)
2445 {
2446 if (s->bbio == NULL) return;
2447
2448 if (s->bbio == s->wbio)
2449 {
2450 /* remove buffering */
2451 s->wbio=BIO_pop(s->wbio);
2452#ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2453 assert(s->wbio != NULL);
2454#endif
2455 }
2456 BIO_free(s->bbio);
2457 s->bbio=NULL;
2458 }
2459
2460void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
2461 {
2462 ctx->quiet_shutdown=mode;
2463 }
2464
2465int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
2466 {
2467 return(ctx->quiet_shutdown);
2468 }
2469
2470void SSL_set_quiet_shutdown(SSL *s,int mode)
2471 {
2472 s->quiet_shutdown=mode;
2473 }
2474
2475int SSL_get_quiet_shutdown(const SSL *s)
2476 {
2477 return(s->quiet_shutdown);
2478 }
2479
2480void SSL_set_shutdown(SSL *s,int mode)
2481 {
2482 s->shutdown=mode;
2483 }
2484
2485int SSL_get_shutdown(const SSL *s)
2486 {
2487 return(s->shutdown);
2488 }
2489
2490int SSL_version(const SSL *s)
2491 {
2492 return(s->version);
2493 }
2494
2495SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
2496 {
2497 return(ssl->ctx);
2498 }
2499
2500SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
2501 {
2502 if (ssl->ctx == ctx)
2503 return ssl->ctx;
2504#ifndef OPENSSL_NO_TLSEXT
2505 if (ctx == NULL)
2506 ctx = ssl->initial_ctx;
2507#endif
2508 if (ssl->cert != NULL)
2509 ssl_cert_free(ssl->cert);
2510 ssl->cert = ssl_cert_dup(ctx->cert);
2511 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
2512 if (ssl->ctx != NULL)
2513 SSL_CTX_free(ssl->ctx); /* decrement reference count */
2514 ssl->ctx = ctx;
2515 return(ssl->ctx);
2516 }
2517
2518#ifndef OPENSSL_NO_STDIO
2519int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
2520 {
2521 return(X509_STORE_set_default_paths(ctx->cert_store));
2522 }
2523
2524int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2525 const char *CApath)
2526 {
2527 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
2528 }
2529#endif
2530
2531void SSL_set_info_callback(SSL *ssl,
2532 void (*cb)(const SSL *ssl,int type,int val))
2533 {
2534 ssl->info_callback=cb;
2535 }
2536
2537/* One compiler (Diab DCC) doesn't like argument names in returned
2538 function pointer. */
2539void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
2540 {
2541 return ssl->info_callback;
2542 }
2543
2544int SSL_state(const SSL *ssl)
2545 {
2546 return(ssl->state);
2547 }
2548
2549void SSL_set_verify_result(SSL *ssl,long arg)
2550 {
2551 ssl->verify_result=arg;
2552 }
2553
2554long SSL_get_verify_result(const SSL *ssl)
2555 {
2556 return(ssl->verify_result);
2557 }
2558
2559int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2560 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2561 {
2562 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
2563 new_func, dup_func, free_func);
2564 }
2565
2566int SSL_set_ex_data(SSL *s,int idx,void *arg)
2567 {
2568 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2569 }
2570
2571void *SSL_get_ex_data(const SSL *s,int idx)
2572 {
2573 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2574 }
2575
2576int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2577 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2578 {
2579 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
2580 new_func, dup_func, free_func);
2581 }
2582
2583int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
2584 {
2585 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2586 }
2587
2588void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx)
2589 {
2590 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2591 }
2592
2593int ssl_ok(SSL *s)
2594 {
2595 return(1);
2596 }
2597
2598X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
2599 {
2600 return(ctx->cert_store);
2601 }
2602
2603void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
2604 {
2605 if (ctx->cert_store != NULL)
2606 X509_STORE_free(ctx->cert_store);
2607 ctx->cert_store=store;
2608 }
2609
2610int SSL_want(const SSL *s)
2611 {
2612 return(s->rwstate);
2613 }
2614
2615/*!
2616 * \brief Set the callback for generating temporary RSA keys.
2617 * \param ctx the SSL context.
2618 * \param cb the callback
2619 */
2620
2621#ifndef OPENSSL_NO_RSA
2622void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2623 int is_export,
2624 int keylength))
2625 {
2626 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
2627 }
2628
2629void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2630 int is_export,
2631 int keylength))
2632 {
2633 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
2634 }
2635#endif
2636
2637#ifdef DOXYGEN
2638/*!
2639 * \brief The RSA temporary key callback function.
2640 * \param ssl the SSL session.
2641 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2642 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2643 * of the required key in bits.
2644 * \return the temporary RSA key.
2645 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2646 */
2647
2648RSA *cb(SSL *ssl,int is_export,int keylength)
2649 {}
2650#endif
2651
2652/*!
2653 * \brief Set the callback for generating temporary DH keys.
2654 * \param ctx the SSL context.
2655 * \param dh the callback
2656 */
2657
2658#ifndef OPENSSL_NO_DH
2659void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2660 int keylength))
2661 {
2662 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
2663 }
2664
2665void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2666 int keylength))
2667 {
2668 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
2669 }
2670#endif
2671
2672#ifndef OPENSSL_NO_ECDH
2673void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2674 int keylength))
2675 {
2676 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
2677 }
2678
2679void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2680 int keylength))
2681 {
2682 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
2683 }
2684#endif
2685
2686
2687void 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))
2688 {
2689 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
2690 }
2691void 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))
2692 {
2693 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
2694 }
2695
2696
2697
2698#if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
2699#include "../crypto/bio/bss_file.c"
2700#endif
2701
2702IMPLEMENT_STACK_OF(SSL_CIPHER)
2703IMPLEMENT_STACK_OF(SSL_COMP)
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-27 13:50:59 +0000