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authorcvs2svn <admin@example.com>2001-10-01 21:58:55 +0000
committercvs2svn <admin@example.com>2001-10-01 21:58:55 +0000
commit62efc4ddcbdcc8c9f4f29b7b5ae76aa66f0b96e2 (patch)
treeaa05f6be64877f76547f1b54ad84f7bfcb291f5d /src/lib/libssl/ssl_lib.c
parentd7b0aad33e28dafbbef67eb5b84ecb05a844fc88 (diff)
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This commit was manufactured by cvs2git to create branch 'OPENBSD_3_0'.
Diffstat (limited to '')
-rw-r--r--src/lib/libssl/ssl_lib.c2074
1 files changed, 0 insertions, 2074 deletions
diff --git a/src/lib/libssl/ssl_lib.c b/src/lib/libssl/ssl_lib.c
deleted file mode 100644
index 1fe85b6cb7..0000000000
--- a/src/lib/libssl/ssl_lib.c
+++ /dev/null
@@ -1,2074 +0,0 @@
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
62#include <assert.h>
63#include <stdio.h>
64#include <openssl/objects.h>
65#include <openssl/lhash.h>
66#include <openssl/x509v3.h>
67#include "ssl_locl.h"
68
69const char *SSL_version_str=OPENSSL_VERSION_TEXT;
70
71static STACK_OF(CRYPTO_EX_DATA_FUNCS) *ssl_meth=NULL;
72static STACK_OF(CRYPTO_EX_DATA_FUNCS) *ssl_ctx_meth=NULL;
73static int ssl_meth_num=0;
74static int ssl_ctx_meth_num=0;
75
76OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={
77 /* evil casts, but these functions are only called if there's a library bug */
78 (int (*)(SSL *,int))ssl_undefined_function,
79 (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
80 ssl_undefined_function,
81 (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
82 (int (*)(SSL*, int))ssl_undefined_function,
83 (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function
84 };
85
86int SSL_clear(SSL *s)
87 {
88 int state;
89
90 if (s->method == NULL)
91 {
92 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
93 return(0);
94 }
95
96 s->error=0;
97 s->hit=0;
98 s->shutdown=0;
99
100#if 0 /* Disabled since version 1.10 of this file (early return not
101 * needed because SSL_clear is not called when doing renegotiation) */
102 /* This is set if we are doing dynamic renegotiation so keep
103 * the old cipher. It is sort of a SSL_clear_lite :-) */
104 if (s->new_session) return(1);
105#else
106 if (s->new_session)
107 {
108 SSLerr(SSL_F_SSL_CLEAR,SSL_R_INTERNAL_ERROR);
109 return 0;
110 }
111#endif
112
113 state=s->state; /* Keep to check if we throw away the session-id */
114 s->type=0;
115
116 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
117
118 s->version=s->method->version;
119 s->client_version=s->version;
120 s->rwstate=SSL_NOTHING;
121 s->rstate=SSL_ST_READ_HEADER;
122#if 0
123 s->read_ahead=s->ctx->read_ahead;
124#endif
125
126 if (s->init_buf != NULL)
127 {
128 BUF_MEM_free(s->init_buf);
129 s->init_buf=NULL;
130 }
131
132 ssl_clear_cipher_ctx(s);
133
134 if (ssl_clear_bad_session(s))
135 {
136 SSL_SESSION_free(s->session);
137 s->session=NULL;
138 }
139
140 s->first_packet=0;
141
142#if 1
143 /* Check to see if we were changed into a different method, if
144 * so, revert back if we are not doing session-id reuse. */
145 if ((s->session == NULL) && (s->method != s->ctx->method))
146 {
147 s->method->ssl_free(s);
148 s->method=s->ctx->method;
149 if (!s->method->ssl_new(s))
150 return(0);
151 }
152 else
153#endif
154 s->method->ssl_clear(s);
155 return(1);
156 }
157
158/** Used to change an SSL_CTXs default SSL method type */
159int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
160 {
161 STACK_OF(SSL_CIPHER) *sk;
162
163 ctx->method=meth;
164
165 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
166 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
167 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
168 {
169 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
170 return(0);
171 }
172 return(1);
173 }
174
175SSL *SSL_new(SSL_CTX *ctx)
176 {
177 SSL *s;
178
179 if (ctx == NULL)
180 {
181 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
182 return(NULL);
183 }
184 if (ctx->method == NULL)
185 {
186 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
187 return(NULL);
188 }
189
190 s=(SSL *)OPENSSL_malloc(sizeof(SSL));
191 if (s == NULL) goto err;
192 memset(s,0,sizeof(SSL));
193
194 if (ctx->cert != NULL)
195 {
196 /* Earlier library versions used to copy the pointer to
197 * the CERT, not its contents; only when setting new
198 * parameters for the per-SSL copy, ssl_cert_new would be
199 * called (and the direct reference to the per-SSL_CTX
200 * settings would be lost, but those still were indirectly
201 * accessed for various purposes, and for that reason they
202 * used to be known as s->ctx->default_cert).
203 * Now we don't look at the SSL_CTX's CERT after having
204 * duplicated it once. */
205
206 s->cert = ssl_cert_dup(ctx->cert);
207 if (s->cert == NULL)
208 goto err;
209 }
210 else
211 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
212 s->sid_ctx_length=ctx->sid_ctx_length;
213 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
214 s->verify_mode=ctx->verify_mode;
215 s->verify_depth=ctx->verify_depth;
216 s->verify_callback=ctx->default_verify_callback;
217 s->purpose = ctx->purpose;
218 s->trust = ctx->trust;
219 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
220 s->ctx=ctx;
221
222 s->verify_result=X509_V_OK;
223
224 s->method=ctx->method;
225
226 if (!s->method->ssl_new(s))
227 goto err;
228
229 s->quiet_shutdown=ctx->quiet_shutdown;
230 s->references=1;
231 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
232 s->options=ctx->options;
233 s->mode=ctx->mode;
234 s->read_ahead=ctx->read_ahead; /* used to happen in SSL_clear */
235 SSL_clear(s);
236
237 CRYPTO_new_ex_data(ssl_meth,s,&s->ex_data);
238
239 return(s);
240err:
241 if (s != NULL)
242 {
243 if (s->cert != NULL)
244 ssl_cert_free(s->cert);
245 if (s->ctx != NULL)
246 SSL_CTX_free(s->ctx); /* decrement reference count */
247 OPENSSL_free(s);
248 }
249 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
250 return(NULL);
251 }
252
253int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
254 unsigned int sid_ctx_len)
255 {
256 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
257 {
258 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
259 return 0;
260 }
261 ctx->sid_ctx_length=sid_ctx_len;
262 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
263
264 return 1;
265 }
266
267int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
268 unsigned int sid_ctx_len)
269 {
270 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
271 {
272 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
273 return 0;
274 }
275 ssl->sid_ctx_length=sid_ctx_len;
276 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
277
278 return 1;
279 }
280
281int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
282{
283 if(X509_PURPOSE_get_by_id(purpose) == -1) {
284 SSLerr(SSL_F_SSL_CTX_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
285 return 0;
286 }
287 s->purpose = purpose;
288 return 1;
289}
290
291int SSL_set_purpose(SSL *s, int purpose)
292{
293 if(X509_PURPOSE_get_by_id(purpose) == -1) {
294 SSLerr(SSL_F_SSL_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
295 return 0;
296 }
297 s->purpose = purpose;
298 return 1;
299}
300
301int SSL_CTX_set_trust(SSL_CTX *s, int trust)
302{
303 if(X509_TRUST_get_by_id(trust) == -1) {
304 SSLerr(SSL_F_SSL_CTX_SET_TRUST, SSL_R_INVALID_TRUST);
305 return 0;
306 }
307 s->trust = trust;
308 return 1;
309}
310
311int SSL_set_trust(SSL *s, int trust)
312{
313 if(X509_TRUST_get_by_id(trust) == -1) {
314 SSLerr(SSL_F_SSL_SET_TRUST, SSL_R_INVALID_TRUST);
315 return 0;
316 }
317 s->trust = trust;
318 return 1;
319}
320
321void SSL_free(SSL *s)
322 {
323 int i;
324
325 if(s == NULL)
326 return;
327
328 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
329#ifdef REF_PRINT
330 REF_PRINT("SSL",s);
331#endif
332 if (i > 0) return;
333#ifdef REF_CHECK
334 if (i < 0)
335 {
336 fprintf(stderr,"SSL_free, bad reference count\n");
337 abort(); /* ok */
338 }
339#endif
340
341 CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data);
342
343 if (s->bbio != NULL)
344 {
345 /* If the buffering BIO is in place, pop it off */
346 if (s->bbio == s->wbio)
347 {
348 s->wbio=BIO_pop(s->wbio);
349 }
350 BIO_free(s->bbio);
351 s->bbio=NULL;
352 }
353 if (s->rbio != NULL)
354 BIO_free_all(s->rbio);
355 if ((s->wbio != NULL) && (s->wbio != s->rbio))
356 BIO_free_all(s->wbio);
357
358 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
359
360 /* add extra stuff */
361 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
362 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
363
364 /* Make the next call work :-) */
365 if (s->session != NULL)
366 {
367 ssl_clear_bad_session(s);
368 SSL_SESSION_free(s->session);
369 }
370
371 ssl_clear_cipher_ctx(s);
372
373 if (s->cert != NULL) ssl_cert_free(s->cert);
374 /* Free up if allocated */
375
376 if (s->ctx) SSL_CTX_free(s->ctx);
377
378 if (s->client_CA != NULL)
379 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
380
381 if (s->method != NULL) s->method->ssl_free(s);
382
383 OPENSSL_free(s);
384 }
385
386void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
387 {
388 /* If the output buffering BIO is still in place, remove it
389 */
390 if (s->bbio != NULL)
391 {
392 if (s->wbio == s->bbio)
393 {
394 s->wbio=s->wbio->next_bio;
395 s->bbio->next_bio=NULL;
396 }
397 }
398 if ((s->rbio != NULL) && (s->rbio != rbio))
399 BIO_free_all(s->rbio);
400 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
401 BIO_free_all(s->wbio);
402 s->rbio=rbio;
403 s->wbio=wbio;
404 }
405
406BIO *SSL_get_rbio(SSL *s)
407 { return(s->rbio); }
408
409BIO *SSL_get_wbio(SSL *s)
410 { return(s->wbio); }
411
412int SSL_get_fd(SSL *s)
413 {
414 int ret= -1;
415 BIO *b,*r;
416
417 b=SSL_get_rbio(s);
418 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
419 if (r != NULL)
420 BIO_get_fd(r,&ret);
421 return(ret);
422 }
423
424#ifndef NO_SOCK
425int SSL_set_fd(SSL *s,int fd)
426 {
427 int ret=0;
428 BIO *bio=NULL;
429
430 bio=BIO_new(BIO_s_socket());
431
432 if (bio == NULL)
433 {
434 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
435 goto err;
436 }
437 BIO_set_fd(bio,fd,BIO_NOCLOSE);
438 SSL_set_bio(s,bio,bio);
439 ret=1;
440err:
441 return(ret);
442 }
443
444int SSL_set_wfd(SSL *s,int fd)
445 {
446 int ret=0;
447 BIO *bio=NULL;
448
449 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
450 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
451 {
452 bio=BIO_new(BIO_s_socket());
453
454 if (bio == NULL)
455 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
456 BIO_set_fd(bio,fd,BIO_NOCLOSE);
457 SSL_set_bio(s,SSL_get_rbio(s),bio);
458 }
459 else
460 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
461 ret=1;
462err:
463 return(ret);
464 }
465
466int SSL_set_rfd(SSL *s,int fd)
467 {
468 int ret=0;
469 BIO *bio=NULL;
470
471 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
472 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
473 {
474 bio=BIO_new(BIO_s_socket());
475
476 if (bio == NULL)
477 {
478 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
479 goto err;
480 }
481 BIO_set_fd(bio,fd,BIO_NOCLOSE);
482 SSL_set_bio(s,bio,SSL_get_wbio(s));
483 }
484 else
485 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
486 ret=1;
487err:
488 return(ret);
489 }
490#endif
491
492
493/* return length of latest Finished message we sent, copy to 'buf' */
494size_t SSL_get_finished(SSL *s, void *buf, size_t count)
495 {
496 size_t ret = 0;
497
498 if (s->s3 != NULL)
499 {
500 ret = s->s3->tmp.finish_md_len;
501 if (count > ret)
502 count = ret;
503 memcpy(buf, s->s3->tmp.finish_md, count);
504 }
505 return ret;
506 }
507
508/* return length of latest Finished message we expected, copy to 'buf' */
509size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
510 {
511 size_t ret = 0;
512
513 if (s->s3 != NULL)
514 {
515 ret = s->s3->tmp.peer_finish_md_len;
516 if (count > ret)
517 count = ret;
518 memcpy(buf, s->s3->tmp.peer_finish_md, count);
519 }
520 return ret;
521 }
522
523
524int SSL_get_verify_mode(SSL *s)
525 {
526 return(s->verify_mode);
527 }
528
529int SSL_get_verify_depth(SSL *s)
530 {
531 return(s->verify_depth);
532 }
533
534int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
535 {
536 return(s->verify_callback);
537 }
538
539int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
540 {
541 return(ctx->verify_mode);
542 }
543
544int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
545 {
546 return(ctx->verify_depth);
547 }
548
549int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
550 {
551 return(ctx->default_verify_callback);
552 }
553
554void SSL_set_verify(SSL *s,int mode,
555 int (*callback)(int ok,X509_STORE_CTX *ctx))
556 {
557 s->verify_mode=mode;
558 if (callback != NULL)
559 s->verify_callback=callback;
560 }
561
562void SSL_set_verify_depth(SSL *s,int depth)
563 {
564 s->verify_depth=depth;
565 }
566
567void SSL_set_read_ahead(SSL *s,int yes)
568 {
569 s->read_ahead=yes;
570 }
571
572int SSL_get_read_ahead(SSL *s)
573 {
574 return(s->read_ahead);
575 }
576
577int SSL_pending(SSL *s)
578 {
579 return(s->method->ssl_pending(s));
580 }
581
582X509 *SSL_get_peer_certificate(SSL *s)
583 {
584 X509 *r;
585
586 if ((s == NULL) || (s->session == NULL))
587 r=NULL;
588 else
589 r=s->session->peer;
590
591 if (r == NULL) return(r);
592
593 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
594
595 return(r);
596 }
597
598STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
599 {
600 STACK_OF(X509) *r;
601
602 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
603 r=NULL;
604 else
605 r=s->session->sess_cert->cert_chain;
606
607 /* If we are a client, cert_chain includes the peer's own
608 * certificate; if we are a server, it does not. */
609
610 return(r);
611 }
612
613/* Now in theory, since the calling process own 't' it should be safe to
614 * modify. We need to be able to read f without being hassled */
615void SSL_copy_session_id(SSL *t,SSL *f)
616 {
617 CERT *tmp;
618
619 /* Do we need to to SSL locking? */
620 SSL_set_session(t,SSL_get_session(f));
621
622 /* what if we are setup as SSLv2 but want to talk SSLv3 or
623 * vice-versa */
624 if (t->method != f->method)
625 {
626 t->method->ssl_free(t); /* cleanup current */
627 t->method=f->method; /* change method */
628 t->method->ssl_new(t); /* setup new */
629 }
630
631 tmp=t->cert;
632 if (f->cert != NULL)
633 {
634 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
635 t->cert=f->cert;
636 }
637 else
638 t->cert=NULL;
639 if (tmp != NULL) ssl_cert_free(tmp);
640 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
641 }
642
643/* Fix this so it checks all the valid key/cert options */
644int SSL_CTX_check_private_key(SSL_CTX *ctx)
645 {
646 if ( (ctx == NULL) ||
647 (ctx->cert == NULL) ||
648 (ctx->cert->key->x509 == NULL))
649 {
650 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
651 return(0);
652 }
653 if (ctx->cert->key->privatekey == NULL)
654 {
655 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
656 return(0);
657 }
658 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
659 }
660
661/* Fix this function so that it takes an optional type parameter */
662int SSL_check_private_key(SSL *ssl)
663 {
664 if (ssl == NULL)
665 {
666 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
667 return(0);
668 }
669 if (ssl->cert == NULL)
670 {
671 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
672 return 0;
673 }
674 if (ssl->cert->key->x509 == NULL)
675 {
676 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
677 return(0);
678 }
679 if (ssl->cert->key->privatekey == NULL)
680 {
681 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
682 return(0);
683 }
684 return(X509_check_private_key(ssl->cert->key->x509,
685 ssl->cert->key->privatekey));
686 }
687
688int SSL_accept(SSL *s)
689 {
690 if (s->handshake_func == 0)
691 /* Not properly initialized yet */
692 SSL_set_accept_state(s);
693
694 return(s->method->ssl_accept(s));
695 }
696
697int SSL_connect(SSL *s)
698 {
699 if (s->handshake_func == 0)
700 /* Not properly initialized yet */
701 SSL_set_connect_state(s);
702
703 return(s->method->ssl_connect(s));
704 }
705
706long SSL_get_default_timeout(SSL *s)
707 {
708 return(s->method->get_timeout());
709 }
710
711int SSL_read(SSL *s,void *buf,int num)
712 {
713 if (s->handshake_func == 0)
714 {
715 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
716 return -1;
717 }
718
719 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
720 {
721 s->rwstate=SSL_NOTHING;
722 return(0);
723 }
724 return(s->method->ssl_read(s,buf,num));
725 }
726
727int SSL_peek(SSL *s,void *buf,int num)
728 {
729 if (s->handshake_func == 0)
730 {
731 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
732 return -1;
733 }
734
735 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
736 {
737 return(0);
738 }
739 return(s->method->ssl_peek(s,buf,num));
740 }
741
742int SSL_write(SSL *s,const void *buf,int num)
743 {
744 if (s->handshake_func == 0)
745 {
746 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
747 return -1;
748 }
749
750 if (s->shutdown & SSL_SENT_SHUTDOWN)
751 {
752 s->rwstate=SSL_NOTHING;
753 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
754 return(-1);
755 }
756 return(s->method->ssl_write(s,buf,num));
757 }
758
759int SSL_shutdown(SSL *s)
760 {
761 /* Note that this function behaves differently from what one might
762 * expect. Return values are 0 for no success (yet),
763 * 1 for success; but calling it once is usually not enough,
764 * even if blocking I/O is used (see ssl3_shutdown).
765 */
766
767 if (s->handshake_func == 0)
768 {
769 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
770 return -1;
771 }
772
773 if ((s != NULL) && !SSL_in_init(s))
774 return(s->method->ssl_shutdown(s));
775 else
776 return(1);
777 }
778
779int SSL_renegotiate(SSL *s)
780 {
781 s->new_session=1;
782 return(s->method->ssl_renegotiate(s));
783 }
784
785long SSL_ctrl(SSL *s,int cmd,long larg,char *parg)
786 {
787 long l;
788
789 switch (cmd)
790 {
791 case SSL_CTRL_GET_READ_AHEAD:
792 return(s->read_ahead);
793 case SSL_CTRL_SET_READ_AHEAD:
794 l=s->read_ahead;
795 s->read_ahead=larg;
796 return(l);
797 case SSL_CTRL_OPTIONS:
798 return(s->options|=larg);
799 case SSL_CTRL_MODE:
800 return(s->mode|=larg);
801 default:
802 return(s->method->ssl_ctrl(s,cmd,larg,parg));
803 }
804 }
805
806long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
807 {
808 switch(cmd)
809 {
810 default:
811 return(s->method->ssl_callback_ctrl(s,cmd,fp));
812 }
813 }
814
815struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
816 {
817 return ctx->sessions;
818 }
819
820long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg)
821 {
822 long l;
823
824 switch (cmd)
825 {
826 case SSL_CTRL_GET_READ_AHEAD:
827 return(ctx->read_ahead);
828 case SSL_CTRL_SET_READ_AHEAD:
829 l=ctx->read_ahead;
830 ctx->read_ahead=larg;
831 return(l);
832
833 case SSL_CTRL_SET_SESS_CACHE_SIZE:
834 l=ctx->session_cache_size;
835 ctx->session_cache_size=larg;
836 return(l);
837 case SSL_CTRL_GET_SESS_CACHE_SIZE:
838 return(ctx->session_cache_size);
839 case SSL_CTRL_SET_SESS_CACHE_MODE:
840 l=ctx->session_cache_mode;
841 ctx->session_cache_mode=larg;
842 return(l);
843 case SSL_CTRL_GET_SESS_CACHE_MODE:
844 return(ctx->session_cache_mode);
845
846 case SSL_CTRL_SESS_NUMBER:
847 return(ctx->sessions->num_items);
848 case SSL_CTRL_SESS_CONNECT:
849 return(ctx->stats.sess_connect);
850 case SSL_CTRL_SESS_CONNECT_GOOD:
851 return(ctx->stats.sess_connect_good);
852 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
853 return(ctx->stats.sess_connect_renegotiate);
854 case SSL_CTRL_SESS_ACCEPT:
855 return(ctx->stats.sess_accept);
856 case SSL_CTRL_SESS_ACCEPT_GOOD:
857 return(ctx->stats.sess_accept_good);
858 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
859 return(ctx->stats.sess_accept_renegotiate);
860 case SSL_CTRL_SESS_HIT:
861 return(ctx->stats.sess_hit);
862 case SSL_CTRL_SESS_CB_HIT:
863 return(ctx->stats.sess_cb_hit);
864 case SSL_CTRL_SESS_MISSES:
865 return(ctx->stats.sess_miss);
866 case SSL_CTRL_SESS_TIMEOUTS:
867 return(ctx->stats.sess_timeout);
868 case SSL_CTRL_SESS_CACHE_FULL:
869 return(ctx->stats.sess_cache_full);
870 case SSL_CTRL_OPTIONS:
871 return(ctx->options|=larg);
872 case SSL_CTRL_MODE:
873 return(ctx->mode|=larg);
874 default:
875 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
876 }
877 }
878
879long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
880 {
881 switch(cmd)
882 {
883 default:
884 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
885 }
886 }
887
888int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
889 {
890 long l;
891
892 l=a->id-b->id;
893 if (l == 0L)
894 return(0);
895 else
896 return((l > 0)?1:-1);
897 }
898
899int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
900 const SSL_CIPHER * const *bp)
901 {
902 long l;
903
904 l=(*ap)->id-(*bp)->id;
905 if (l == 0L)
906 return(0);
907 else
908 return((l > 0)?1:-1);
909 }
910
911/** return a STACK of the ciphers available for the SSL and in order of
912 * preference */
913STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
914 {
915 if ((s != NULL) && (s->cipher_list != NULL))
916 {
917 return(s->cipher_list);
918 }
919 else if ((s->ctx != NULL) &&
920 (s->ctx->cipher_list != NULL))
921 {
922 return(s->ctx->cipher_list);
923 }
924 return(NULL);
925 }
926
927/** return a STACK of the ciphers available for the SSL and in order of
928 * algorithm id */
929STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
930 {
931 if ((s != NULL) && (s->cipher_list_by_id != NULL))
932 {
933 return(s->cipher_list_by_id);
934 }
935 else if ((s != NULL) && (s->ctx != NULL) &&
936 (s->ctx->cipher_list_by_id != NULL))
937 {
938 return(s->ctx->cipher_list_by_id);
939 }
940 return(NULL);
941 }
942
943/** The old interface to get the same thing as SSL_get_ciphers() */
944const char *SSL_get_cipher_list(SSL *s,int n)
945 {
946 SSL_CIPHER *c;
947 STACK_OF(SSL_CIPHER) *sk;
948
949 if (s == NULL) return(NULL);
950 sk=SSL_get_ciphers(s);
951 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
952 return(NULL);
953 c=sk_SSL_CIPHER_value(sk,n);
954 if (c == NULL) return(NULL);
955 return(c->name);
956 }
957
958/** specify the ciphers to be used by default by the SSL_CTX */
959int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
960 {
961 STACK_OF(SSL_CIPHER) *sk;
962
963 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
964 &ctx->cipher_list_by_id,str);
965/* XXXX */
966 return((sk == NULL)?0:1);
967 }
968
969/** specify the ciphers to be used by the SSL */
970int SSL_set_cipher_list(SSL *s,const char *str)
971 {
972 STACK_OF(SSL_CIPHER) *sk;
973
974 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
975 &s->cipher_list_by_id,str);
976/* XXXX */
977 return((sk == NULL)?0:1);
978 }
979
980/* works well for SSLv2, not so good for SSLv3 */
981char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
982 {
983 char *p;
984 const char *cp;
985 STACK_OF(SSL_CIPHER) *sk;
986 SSL_CIPHER *c;
987 int i;
988
989 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
990 (len < 2))
991 return(NULL);
992
993 p=buf;
994 sk=s->session->ciphers;
995 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
996 {
997 /* Decrement for either the ':' or a '\0' */
998 len--;
999 c=sk_SSL_CIPHER_value(sk,i);
1000 for (cp=c->name; *cp; )
1001 {
1002 if (len-- == 0)
1003 {
1004 *p='\0';
1005 return(buf);
1006 }
1007 else
1008 *(p++)= *(cp++);
1009 }
1010 *(p++)=':';
1011 }
1012 p[-1]='\0';
1013 return(buf);
1014 }
1015
1016int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
1017 {
1018 int i,j=0;
1019 SSL_CIPHER *c;
1020 unsigned char *q;
1021
1022 if (sk == NULL) return(0);
1023 q=p;
1024
1025 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1026 {
1027 c=sk_SSL_CIPHER_value(sk,i);
1028 j=ssl_put_cipher_by_char(s,c,p);
1029 p+=j;
1030 }
1031 return(p-q);
1032 }
1033
1034STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1035 STACK_OF(SSL_CIPHER) **skp)
1036 {
1037 SSL_CIPHER *c;
1038 STACK_OF(SSL_CIPHER) *sk;
1039 int i,n;
1040
1041 n=ssl_put_cipher_by_char(s,NULL,NULL);
1042 if ((num%n) != 0)
1043 {
1044 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1045 return(NULL);
1046 }
1047 if ((skp == NULL) || (*skp == NULL))
1048 sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1049 else
1050 {
1051 sk= *skp;
1052 sk_SSL_CIPHER_zero(sk);
1053 }
1054
1055 for (i=0; i<num; i+=n)
1056 {
1057 c=ssl_get_cipher_by_char(s,p);
1058 p+=n;
1059 if (c != NULL)
1060 {
1061 if (!sk_SSL_CIPHER_push(sk,c))
1062 {
1063 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1064 goto err;
1065 }
1066 }
1067 }
1068
1069 if (skp != NULL)
1070 *skp=sk;
1071 return(sk);
1072err:
1073 if ((skp == NULL) || (*skp == NULL))
1074 sk_SSL_CIPHER_free(sk);
1075 return(NULL);
1076 }
1077
1078unsigned long SSL_SESSION_hash(SSL_SESSION *a)
1079 {
1080 unsigned long l;
1081
1082 l=(unsigned long)
1083 ((unsigned int) a->session_id[0] )|
1084 ((unsigned int) a->session_id[1]<< 8L)|
1085 ((unsigned long)a->session_id[2]<<16L)|
1086 ((unsigned long)a->session_id[3]<<24L);
1087 return(l);
1088 }
1089
1090int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
1091 {
1092 if (a->ssl_version != b->ssl_version)
1093 return(1);
1094 if (a->session_id_length != b->session_id_length)
1095 return(1);
1096 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1097 }
1098
1099SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
1100 {
1101 SSL_CTX *ret=NULL;
1102
1103 if (meth == NULL)
1104 {
1105 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1106 return(NULL);
1107 }
1108
1109 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1110 {
1111 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1112 goto err;
1113 }
1114 ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
1115 if (ret == NULL)
1116 goto err;
1117
1118 memset(ret,0,sizeof(SSL_CTX));
1119
1120 ret->method=meth;
1121
1122 ret->cert_store=NULL;
1123 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1124 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1125 ret->session_cache_head=NULL;
1126 ret->session_cache_tail=NULL;
1127
1128 /* We take the system default */
1129 ret->session_timeout=meth->get_timeout();
1130
1131 ret->new_session_cb=NULL;
1132 ret->remove_session_cb=NULL;
1133 ret->get_session_cb=NULL;
1134
1135 memset((char *)&ret->stats,0,sizeof(ret->stats));
1136
1137 ret->references=1;
1138 ret->quiet_shutdown=0;
1139
1140/* ret->cipher=NULL;*/
1141/* ret->s2->challenge=NULL;
1142 ret->master_key=NULL;
1143 ret->key_arg=NULL;
1144 ret->s2->conn_id=NULL; */
1145
1146 ret->info_callback=NULL;
1147
1148 ret->app_verify_callback=NULL;
1149 ret->app_verify_arg=NULL;
1150
1151 ret->read_ahead=0;
1152 ret->verify_mode=SSL_VERIFY_NONE;
1153 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1154 ret->default_verify_callback=NULL;
1155 if ((ret->cert=ssl_cert_new()) == NULL)
1156 goto err;
1157
1158 ret->default_passwd_callback=NULL;
1159 ret->default_passwd_callback_userdata=NULL;
1160 ret->client_cert_cb=NULL;
1161
1162 ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp);
1163 if (ret->sessions == NULL) goto err;
1164 ret->cert_store=X509_STORE_new();
1165 if (ret->cert_store == NULL) goto err;
1166
1167 ssl_create_cipher_list(ret->method,
1168 &ret->cipher_list,&ret->cipher_list_by_id,
1169 SSL_DEFAULT_CIPHER_LIST);
1170 if (ret->cipher_list == NULL
1171 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1172 {
1173 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1174 goto err2;
1175 }
1176
1177 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1178 {
1179 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1180 goto err2;
1181 }
1182 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1183 {
1184 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1185 goto err2;
1186 }
1187 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1188 {
1189 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1190 goto err2;
1191 }
1192
1193 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1194 goto err;
1195
1196 CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data);
1197
1198 ret->extra_certs=NULL;
1199 ret->comp_methods=SSL_COMP_get_compression_methods();
1200
1201 return(ret);
1202err:
1203 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1204err2:
1205 if (ret != NULL) SSL_CTX_free(ret);
1206 return(NULL);
1207 }
1208
1209static void SSL_COMP_free(SSL_COMP *comp)
1210 { OPENSSL_free(comp); }
1211
1212void SSL_CTX_free(SSL_CTX *a)
1213 {
1214 int i;
1215
1216 if (a == NULL) return;
1217
1218 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1219#ifdef REF_PRINT
1220 REF_PRINT("SSL_CTX",a);
1221#endif
1222 if (i > 0) return;
1223#ifdef REF_CHECK
1224 if (i < 0)
1225 {
1226 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1227 abort(); /* ok */
1228 }
1229#endif
1230 CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data);
1231
1232 if (a->sessions != NULL)
1233 {
1234 SSL_CTX_flush_sessions(a,0);
1235 lh_free(a->sessions);
1236 }
1237 if (a->cert_store != NULL)
1238 X509_STORE_free(a->cert_store);
1239 if (a->cipher_list != NULL)
1240 sk_SSL_CIPHER_free(a->cipher_list);
1241 if (a->cipher_list_by_id != NULL)
1242 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1243 if (a->cert != NULL)
1244 ssl_cert_free(a->cert);
1245 if (a->client_CA != NULL)
1246 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1247 if (a->extra_certs != NULL)
1248 sk_X509_pop_free(a->extra_certs,X509_free);
1249 if (a->comp_methods != NULL)
1250 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1251 OPENSSL_free(a);
1252 }
1253
1254void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1255 {
1256 ctx->default_passwd_callback=cb;
1257 }
1258
1259void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1260 {
1261 ctx->default_passwd_callback_userdata=u;
1262 }
1263
1264void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg)
1265 {
1266 /* now
1267 * int (*cb)(X509_STORE_CTX *),
1268 * but should be
1269 * int (*cb)(X509_STORE_CTX *, void *arg)
1270 */
1271 ctx->app_verify_callback=cb;
1272 ctx->app_verify_arg=arg; /* never used */
1273 }
1274
1275void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1276 {
1277 ctx->verify_mode=mode;
1278 ctx->default_verify_callback=cb;
1279 /* This needs cleaning up EAY EAY EAY */
1280 X509_STORE_set_verify_cb_func(ctx->cert_store,cb);
1281 }
1282
1283void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1284 {
1285 ctx->verify_depth=depth;
1286 }
1287
1288void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1289 {
1290 CERT_PKEY *cpk;
1291 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1292 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1293 int rsa_tmp_export,dh_tmp_export,kl;
1294 unsigned long mask,emask;
1295
1296 if (c == NULL) return;
1297
1298 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1299
1300#ifndef NO_RSA
1301 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1302 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1303 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1304#else
1305 rsa_tmp=rsa_tmp_export=0;
1306#endif
1307#ifndef NO_DH
1308 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1309 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1310 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1311#else
1312 dh_tmp=dh_tmp_export=0;
1313#endif
1314
1315 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1316 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1317 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1318 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1319 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1320 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1321 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1322 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1323 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1324 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1325 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1326/* FIX THIS EAY EAY EAY */
1327 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1328 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1329
1330 mask=0;
1331 emask=0;
1332
1333#ifdef CIPHER_DEBUG
1334 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1335 rsa_tmp,rsa_tmp_export,dh_tmp,
1336 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1337#endif
1338
1339 if (rsa_enc || (rsa_tmp && rsa_sign))
1340 mask|=SSL_kRSA;
1341 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1342 emask|=SSL_kRSA;
1343
1344#if 0
1345 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1346 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1347 (rsa_enc || rsa_sign || dsa_sign))
1348 mask|=SSL_kEDH;
1349 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1350 (rsa_enc || rsa_sign || dsa_sign))
1351 emask|=SSL_kEDH;
1352#endif
1353
1354 if (dh_tmp_export)
1355 emask|=SSL_kEDH;
1356
1357 if (dh_tmp)
1358 mask|=SSL_kEDH;
1359
1360 if (dh_rsa) mask|=SSL_kDHr;
1361 if (dh_rsa_export) emask|=SSL_kDHr;
1362
1363 if (dh_dsa) mask|=SSL_kDHd;
1364 if (dh_dsa_export) emask|=SSL_kDHd;
1365
1366 if (rsa_enc || rsa_sign)
1367 {
1368 mask|=SSL_aRSA;
1369 emask|=SSL_aRSA;
1370 }
1371
1372 if (dsa_sign)
1373 {
1374 mask|=SSL_aDSS;
1375 emask|=SSL_aDSS;
1376 }
1377
1378 mask|=SSL_aNULL;
1379 emask|=SSL_aNULL;
1380
1381 c->mask=mask;
1382 c->export_mask=emask;
1383 c->valid=1;
1384 }
1385
1386/* THIS NEEDS CLEANING UP */
1387X509 *ssl_get_server_send_cert(SSL *s)
1388 {
1389 unsigned long alg,mask,kalg;
1390 CERT *c;
1391 int i,is_export;
1392
1393 c=s->cert;
1394 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1395 alg=s->s3->tmp.new_cipher->algorithms;
1396 is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1397 mask=is_export?c->export_mask:c->mask;
1398 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1399
1400 if (kalg & SSL_kDHr)
1401 i=SSL_PKEY_DH_RSA;
1402 else if (kalg & SSL_kDHd)
1403 i=SSL_PKEY_DH_DSA;
1404 else if (kalg & SSL_aDSS)
1405 i=SSL_PKEY_DSA_SIGN;
1406 else if (kalg & SSL_aRSA)
1407 {
1408 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1409 i=SSL_PKEY_RSA_SIGN;
1410 else
1411 i=SSL_PKEY_RSA_ENC;
1412 }
1413 else /* if (kalg & SSL_aNULL) */
1414 {
1415 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR);
1416 return(NULL);
1417 }
1418 if (c->pkeys[i].x509 == NULL) return(NULL);
1419 return(c->pkeys[i].x509);
1420 }
1421
1422EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1423 {
1424 unsigned long alg;
1425 CERT *c;
1426
1427 alg=cipher->algorithms;
1428 c=s->cert;
1429
1430 if ((alg & SSL_aDSS) &&
1431 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1432 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1433 else if (alg & SSL_aRSA)
1434 {
1435 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1436 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1437 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1438 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1439 else
1440 return(NULL);
1441 }
1442 else /* if (alg & SSL_aNULL) */
1443 {
1444 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR);
1445 return(NULL);
1446 }
1447 }
1448
1449void ssl_update_cache(SSL *s,int mode)
1450 {
1451 int i;
1452
1453 /* If the session_id_length is 0, we are not supposed to cache it,
1454 * and it would be rather hard to do anyway :-) */
1455 if (s->session->session_id_length == 0) return;
1456
1457 if ((s->ctx->session_cache_mode & mode)
1458 && (!s->hit)
1459 && SSL_CTX_add_session(s->ctx,s->session)
1460 && (s->ctx->new_session_cb != NULL))
1461 {
1462 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1463 if (!s->ctx->new_session_cb(s,s->session))
1464 SSL_SESSION_free(s->session);
1465 }
1466
1467 /* auto flush every 255 connections */
1468 i=s->ctx->session_cache_mode;
1469 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1470 ((i & mode) == mode))
1471 {
1472 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1473 ?s->ctx->stats.sess_connect_good
1474 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1475 {
1476 SSL_CTX_flush_sessions(s->ctx,time(NULL));
1477 }
1478 }
1479 }
1480
1481SSL_METHOD *SSL_get_ssl_method(SSL *s)
1482 {
1483 return(s->method);
1484 }
1485
1486int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1487 {
1488 int conn= -1;
1489 int ret=1;
1490
1491 if (s->method != meth)
1492 {
1493 if (s->handshake_func != NULL)
1494 conn=(s->handshake_func == s->method->ssl_connect);
1495
1496 if (s->method->version == meth->version)
1497 s->method=meth;
1498 else
1499 {
1500 s->method->ssl_free(s);
1501 s->method=meth;
1502 ret=s->method->ssl_new(s);
1503 }
1504
1505 if (conn == 1)
1506 s->handshake_func=meth->ssl_connect;
1507 else if (conn == 0)
1508 s->handshake_func=meth->ssl_accept;
1509 }
1510 return(ret);
1511 }
1512
1513int SSL_get_error(SSL *s,int i)
1514 {
1515 int reason;
1516 unsigned long l;
1517 BIO *bio;
1518
1519 if (i > 0) return(SSL_ERROR_NONE);
1520
1521 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1522 * etc, where we do encode the error */
1523 if ((l=ERR_peek_error()) != 0)
1524 {
1525 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1526 return(SSL_ERROR_SYSCALL);
1527 else
1528 return(SSL_ERROR_SSL);
1529 }
1530
1531 if ((i < 0) && SSL_want_read(s))
1532 {
1533 bio=SSL_get_rbio(s);
1534 if (BIO_should_read(bio))
1535 return(SSL_ERROR_WANT_READ);
1536 else if (BIO_should_write(bio))
1537 /* This one doesn't make too much sense ... We never try
1538 * to write to the rbio, and an application program where
1539 * rbio and wbio are separate couldn't even know what it
1540 * should wait for.
1541 * However if we ever set s->rwstate incorrectly
1542 * (so that we have SSL_want_read(s) instead of
1543 * SSL_want_write(s)) and rbio and wbio *are* the same,
1544 * this test works around that bug; so it might be safer
1545 * to keep it. */
1546 return(SSL_ERROR_WANT_WRITE);
1547 else if (BIO_should_io_special(bio))
1548 {
1549 reason=BIO_get_retry_reason(bio);
1550 if (reason == BIO_RR_CONNECT)
1551 return(SSL_ERROR_WANT_CONNECT);
1552 else
1553 return(SSL_ERROR_SYSCALL); /* unknown */
1554 }
1555 }
1556
1557 if ((i < 0) && SSL_want_write(s))
1558 {
1559 bio=SSL_get_wbio(s);
1560 if (BIO_should_write(bio))
1561 return(SSL_ERROR_WANT_WRITE);
1562 else if (BIO_should_read(bio))
1563 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
1564 return(SSL_ERROR_WANT_READ);
1565 else if (BIO_should_io_special(bio))
1566 {
1567 reason=BIO_get_retry_reason(bio);
1568 if (reason == BIO_RR_CONNECT)
1569 return(SSL_ERROR_WANT_CONNECT);
1570 else
1571 return(SSL_ERROR_SYSCALL);
1572 }
1573 }
1574 if ((i < 0) && SSL_want_x509_lookup(s))
1575 {
1576 return(SSL_ERROR_WANT_X509_LOOKUP);
1577 }
1578
1579 if (i == 0)
1580 {
1581 if (s->version == SSL2_VERSION)
1582 {
1583 /* assume it is the socket being closed */
1584 return(SSL_ERROR_ZERO_RETURN);
1585 }
1586 else
1587 {
1588 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1589 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1590 return(SSL_ERROR_ZERO_RETURN);
1591 }
1592 }
1593 return(SSL_ERROR_SYSCALL);
1594 }
1595
1596int SSL_do_handshake(SSL *s)
1597 {
1598 int ret=1;
1599
1600 if (s->handshake_func == NULL)
1601 {
1602 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1603 return(-1);
1604 }
1605
1606 s->method->ssl_renegotiate_check(s);
1607
1608 if (SSL_in_init(s) || SSL_in_before(s))
1609 {
1610 ret=s->handshake_func(s);
1611 }
1612 return(ret);
1613 }
1614
1615/* For the next 2 functions, SSL_clear() sets shutdown and so
1616 * one of these calls will reset it */
1617void SSL_set_accept_state(SSL *s)
1618 {
1619 s->server=1;
1620 s->shutdown=0;
1621 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1622 s->handshake_func=s->method->ssl_accept;
1623 /* clear the current cipher */
1624 ssl_clear_cipher_ctx(s);
1625 }
1626
1627void SSL_set_connect_state(SSL *s)
1628 {
1629 s->server=0;
1630 s->shutdown=0;
1631 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1632 s->handshake_func=s->method->ssl_connect;
1633 /* clear the current cipher */
1634 ssl_clear_cipher_ctx(s);
1635 }
1636
1637int ssl_undefined_function(SSL *s)
1638 {
1639 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1640 return(0);
1641 }
1642
1643SSL_METHOD *ssl_bad_method(int ver)
1644 {
1645 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1646 return(NULL);
1647 }
1648
1649const char *SSL_get_version(SSL *s)
1650 {
1651 if (s->version == TLS1_VERSION)
1652 return("TLSv1");
1653 else if (s->version == SSL3_VERSION)
1654 return("SSLv3");
1655 else if (s->version == SSL2_VERSION)
1656 return("SSLv2");
1657 else
1658 return("unknown");
1659 }
1660
1661SSL *SSL_dup(SSL *s)
1662 {
1663 STACK_OF(X509_NAME) *sk;
1664 X509_NAME *xn;
1665 SSL *ret;
1666 int i;
1667
1668 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
1669 return(NULL);
1670
1671 if (s->session != NULL)
1672 {
1673 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
1674 SSL_copy_session_id(ret,s);
1675 }
1676 else
1677 {
1678 /* No session has been established yet, so we have to expect
1679 * that s->cert or ret->cert will be changed later --
1680 * they should not both point to the same object,
1681 * and thus we can't use SSL_copy_session_id. */
1682
1683 ret->method = s->method;
1684 ret->method->ssl_new(ret);
1685
1686 if (s->cert != NULL)
1687 {
1688 if (ret->cert != NULL)
1689 {
1690 ssl_cert_free(ret->cert);
1691 }
1692 ret->cert = ssl_cert_dup(s->cert);
1693 if (ret->cert == NULL)
1694 goto err;
1695 }
1696
1697 SSL_set_session_id_context(ret,
1698 s->sid_ctx, s->sid_ctx_length);
1699 }
1700
1701 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
1702 SSL_set_verify(ret,SSL_get_verify_mode(s),
1703 SSL_get_verify_callback(s));
1704 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
1705
1706 SSL_set_info_callback(ret,SSL_get_info_callback(s));
1707
1708 ret->debug=s->debug;
1709 ret->options=s->options;
1710
1711 /* copy app data, a little dangerous perhaps */
1712 if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data))
1713 goto err;
1714
1715 /* setup rbio, and wbio */
1716 if (s->rbio != NULL)
1717 {
1718 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
1719 goto err;
1720 }
1721 if (s->wbio != NULL)
1722 {
1723 if (s->wbio != s->rbio)
1724 {
1725 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
1726 goto err;
1727 }
1728 else
1729 ret->wbio=ret->rbio;
1730 }
1731
1732 /* dup the cipher_list and cipher_list_by_id stacks */
1733 if (s->cipher_list != NULL)
1734 {
1735 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
1736 goto err;
1737 }
1738 if (s->cipher_list_by_id != NULL)
1739 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
1740 == NULL)
1741 goto err;
1742
1743 /* Dup the client_CA list */
1744 if (s->client_CA != NULL)
1745 {
1746 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
1747 ret->client_CA=sk;
1748 for (i=0; i<sk_X509_NAME_num(sk); i++)
1749 {
1750 xn=sk_X509_NAME_value(sk,i);
1751 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
1752 {
1753 X509_NAME_free(xn);
1754 goto err;
1755 }
1756 }
1757 }
1758
1759 ret->shutdown=s->shutdown;
1760 ret->state=s->state;
1761 ret->handshake_func=s->handshake_func;
1762 ret->server=s->server;
1763
1764 if (0)
1765 {
1766err:
1767 if (ret != NULL) SSL_free(ret);
1768 ret=NULL;
1769 }
1770 return(ret);
1771 }
1772
1773void ssl_clear_cipher_ctx(SSL *s)
1774 {
1775 if (s->enc_read_ctx != NULL)
1776 {
1777 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
1778 OPENSSL_free(s->enc_read_ctx);
1779 s->enc_read_ctx=NULL;
1780 }
1781 if (s->enc_write_ctx != NULL)
1782 {
1783 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
1784 OPENSSL_free(s->enc_write_ctx);
1785 s->enc_write_ctx=NULL;
1786 }
1787 if (s->expand != NULL)
1788 {
1789 COMP_CTX_free(s->expand);
1790 s->expand=NULL;
1791 }
1792 if (s->compress != NULL)
1793 {
1794 COMP_CTX_free(s->compress);
1795 s->compress=NULL;
1796 }
1797 }
1798
1799/* Fix this function so that it takes an optional type parameter */
1800X509 *SSL_get_certificate(SSL *s)
1801 {
1802 if (s->cert != NULL)
1803 return(s->cert->key->x509);
1804 else
1805 return(NULL);
1806 }
1807
1808/* Fix this function so that it takes an optional type parameter */
1809EVP_PKEY *SSL_get_privatekey(SSL *s)
1810 {
1811 if (s->cert != NULL)
1812 return(s->cert->key->privatekey);
1813 else
1814 return(NULL);
1815 }
1816
1817SSL_CIPHER *SSL_get_current_cipher(SSL *s)
1818 {
1819 if ((s->session != NULL) && (s->session->cipher != NULL))
1820 return(s->session->cipher);
1821 return(NULL);
1822 }
1823
1824int ssl_init_wbio_buffer(SSL *s,int push)
1825 {
1826 BIO *bbio;
1827
1828 if (s->bbio == NULL)
1829 {
1830 bbio=BIO_new(BIO_f_buffer());
1831 if (bbio == NULL) return(0);
1832 s->bbio=bbio;
1833 }
1834 else
1835 {
1836 bbio=s->bbio;
1837 if (s->bbio == s->wbio)
1838 s->wbio=BIO_pop(s->wbio);
1839 }
1840 (void)BIO_reset(bbio);
1841/* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
1842 if (!BIO_set_read_buffer_size(bbio,1))
1843 {
1844 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
1845 return(0);
1846 }
1847 if (push)
1848 {
1849 if (s->wbio != bbio)
1850 s->wbio=BIO_push(bbio,s->wbio);
1851 }
1852 else
1853 {
1854 if (s->wbio == bbio)
1855 s->wbio=BIO_pop(bbio);
1856 }
1857 return(1);
1858 }
1859
1860void ssl_free_wbio_buffer(SSL *s)
1861 {
1862 if (s->bbio == NULL) return;
1863
1864 if (s->bbio == s->wbio)
1865 {
1866 /* remove buffering */
1867 s->wbio=BIO_pop(s->wbio);
1868#ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
1869 assert(s->wbio != NULL);
1870#endif
1871 }
1872 BIO_free(s->bbio);
1873 s->bbio=NULL;
1874 }
1875
1876void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
1877 {
1878 ctx->quiet_shutdown=mode;
1879 }
1880
1881int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
1882 {
1883 return(ctx->quiet_shutdown);
1884 }
1885
1886void SSL_set_quiet_shutdown(SSL *s,int mode)
1887 {
1888 s->quiet_shutdown=mode;
1889 }
1890
1891int SSL_get_quiet_shutdown(SSL *s)
1892 {
1893 return(s->quiet_shutdown);
1894 }
1895
1896void SSL_set_shutdown(SSL *s,int mode)
1897 {
1898 s->shutdown=mode;
1899 }
1900
1901int SSL_get_shutdown(SSL *s)
1902 {
1903 return(s->shutdown);
1904 }
1905
1906int SSL_version(SSL *s)
1907 {
1908 return(s->version);
1909 }
1910
1911SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
1912 {
1913 return(ssl->ctx);
1914 }
1915
1916#ifndef NO_STDIO
1917int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
1918 {
1919 return(X509_STORE_set_default_paths(ctx->cert_store));
1920 }
1921
1922int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1923 const char *CApath)
1924 {
1925 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
1926 }
1927#endif
1928
1929void SSL_set_info_callback(SSL *ssl,void (*cb)())
1930 {
1931 ssl->info_callback=cb;
1932 }
1933
1934void (*SSL_get_info_callback(SSL *ssl))(void)
1935 {
1936 return((void (*)())ssl->info_callback);
1937 }
1938
1939int SSL_state(SSL *ssl)
1940 {
1941 return(ssl->state);
1942 }
1943
1944void SSL_set_verify_result(SSL *ssl,long arg)
1945 {
1946 ssl->verify_result=arg;
1947 }
1948
1949long SSL_get_verify_result(SSL *ssl)
1950 {
1951 return(ssl->verify_result);
1952 }
1953
1954int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
1955 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
1956 {
1957 ssl_meth_num++;
1958 return(CRYPTO_get_ex_new_index(ssl_meth_num-1,
1959 &ssl_meth,argl,argp,new_func,dup_func,free_func));
1960 }
1961
1962int SSL_set_ex_data(SSL *s,int idx,void *arg)
1963 {
1964 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1965 }
1966
1967void *SSL_get_ex_data(SSL *s,int idx)
1968 {
1969 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1970 }
1971
1972int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
1973 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
1974 {
1975 ssl_ctx_meth_num++;
1976 return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1,
1977 &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func));
1978 }
1979
1980int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
1981 {
1982 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1983 }
1984
1985void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
1986 {
1987 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1988 }
1989
1990int ssl_ok(SSL *s)
1991 {
1992 return(1);
1993 }
1994
1995X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
1996 {
1997 return(ctx->cert_store);
1998 }
1999
2000void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
2001 {
2002 if (ctx->cert_store != NULL)
2003 X509_STORE_free(ctx->cert_store);
2004 ctx->cert_store=store;
2005 }
2006
2007int SSL_want(SSL *s)
2008 {
2009 return(s->rwstate);
2010 }
2011
2012/*!
2013 * \brief Set the callback for generating temporary RSA keys.
2014 * \param ctx the SSL context.
2015 * \param cb the callback
2016 */
2017
2018#ifndef NO_RSA
2019void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2020 int is_export,
2021 int keylength))
2022 {
2023 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2024 }
2025
2026void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2027 int is_export,
2028 int keylength))
2029 {
2030 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2031 }
2032#endif
2033
2034#ifdef DOXYGEN
2035/*!
2036 * \brief The RSA temporary key callback function.
2037 * \param ssl the SSL session.
2038 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2039 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2040 * of the required key in bits.
2041 * \return the temporary RSA key.
2042 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2043 */
2044
2045RSA *cb(SSL *ssl,int is_export,int keylength)
2046 {}
2047#endif
2048
2049/*!
2050 * \brief Set the callback for generating temporary DH keys.
2051 * \param ctx the SSL context.
2052 * \param dh the callback
2053 */
2054
2055#ifndef NO_DH
2056void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2057 int keylength))
2058 {
2059 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2060 }
2061
2062void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2063 int keylength))
2064 {
2065 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2066 }
2067#endif
2068
2069#if defined(_WINDLL) && defined(WIN16)
2070#include "../crypto/bio/bss_file.c"
2071#endif
2072
2073IMPLEMENT_STACK_OF(SSL_CIPHER)
2074IMPLEMENT_STACK_OF(SSL_COMP)
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-12-22 08:32:56 +0000