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The Android Open Source Project656d9c72009-03-03 19:30:25 -08001/*! \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/* ====================================================================
Brian Carlstrom221304e2010-04-15 14:22:36 -070061 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
The Android Open Source Project656d9c72009-03-03 19:30:25 -080062 *
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 */
Brian Carlstrom221304e2010-04-15 14:22:36 -0700118/* ====================================================================
119 * Copyright 2005 Nokia. All rights reserved.
120 *
121 * The portions of the attached software ("Contribution") is developed by
122 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
123 * license.
124 *
125 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
126 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
127 * support (see RFC 4279) to OpenSSL.
128 *
129 * No patent licenses or other rights except those expressly stated in
130 * the OpenSSL open source license shall be deemed granted or received
131 * expressly, by implication, estoppel, or otherwise.
132 *
133 * No assurances are provided by Nokia that the Contribution does not
134 * infringe the patent or other intellectual property rights of any third
135 * party or that the license provides you with all the necessary rights
136 * to make use of the Contribution.
137 *
138 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
139 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
140 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
141 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
142 * OTHERWISE.
143 */
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800144
145#ifdef REF_CHECK
146# include <assert.h>
147#endif
148#include <stdio.h>
149#include "ssl_locl.h"
150#include "kssl_lcl.h"
151#include <openssl/objects.h>
152#include <openssl/lhash.h>
153#include <openssl/x509v3.h>
154#include <openssl/rand.h>
155#include <openssl/ocsp.h>
156#ifndef OPENSSL_NO_DH
157#include <openssl/dh.h>
158#endif
Nagendra Modadugue45f1062009-09-30 11:36:48 -0700159#ifndef OPENSSL_NO_ENGINE
160#include <openssl/engine.h>
161#endif
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800162
163const char *SSL_version_str=OPENSSL_VERSION_TEXT;
164
165SSL3_ENC_METHOD ssl3_undef_enc_method={
166 /* evil casts, but these functions are only called if there's a library bug */
167 (int (*)(SSL *,int))ssl_undefined_function,
168 (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
169 ssl_undefined_function,
170 (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
171 (int (*)(SSL*, int))ssl_undefined_function,
Brian Carlstrom221304e2010-04-15 14:22:36 -0700172 (int (*)(SSL *, const char*, int, unsigned char *))ssl_undefined_function,
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800173 0, /* finish_mac_length */
Brian Carlstrom221304e2010-04-15 14:22:36 -0700174 (int (*)(SSL *, int, unsigned char *))ssl_undefined_function,
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800175 NULL, /* client_finished_label */
176 0, /* client_finished_label_len */
177 NULL, /* server_finished_label */
178 0, /* server_finished_label_len */
Brian Carlstrom392aa7c2012-03-15 16:03:43 -0700179 (int (*)(int))ssl_undefined_function,
180 (int (*)(SSL *, unsigned char *, size_t, const char *,
181 size_t, const unsigned char *, size_t,
182 int use_context)) ssl_undefined_function,
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800183 };
184
185int SSL_clear(SSL *s)
186 {
187
188 if (s->method == NULL)
189 {
190 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
191 return(0);
192 }
193
194 if (ssl_clear_bad_session(s))
195 {
196 SSL_SESSION_free(s->session);
197 s->session=NULL;
198 }
199
200 s->error=0;
201 s->hit=0;
202 s->shutdown=0;
203
204#if 0 /* Disabled since version 1.10 of this file (early return not
205 * needed because SSL_clear is not called when doing renegotiation) */
206 /* This is set if we are doing dynamic renegotiation so keep
207 * the old cipher. It is sort of a SSL_clear_lite :-) */
Brian Carlstrom392aa7c2012-03-15 16:03:43 -0700208 if (s->renegotiate) return(1);
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800209#else
Brian Carlstrom392aa7c2012-03-15 16:03:43 -0700210 if (s->renegotiate)
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800211 {
212 SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
213 return 0;
214 }
215#endif
216
217 s->type=0;
218
219 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
220
221 s->version=s->method->version;
222 s->client_version=s->version;
223 s->rwstate=SSL_NOTHING;
224 s->rstate=SSL_ST_READ_HEADER;
225#if 0
226 s->read_ahead=s->ctx->read_ahead;
227#endif
228
229 if (s->init_buf != NULL)
230 {
231 BUF_MEM_free(s->init_buf);
232 s->init_buf=NULL;
233 }
234
235 ssl_clear_cipher_ctx(s);
Brian Carlstrom221304e2010-04-15 14:22:36 -0700236 ssl_clear_hash_ctx(&s->read_hash);
237 ssl_clear_hash_ctx(&s->write_hash);
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800238
239 s->first_packet=0;
240
241#if 1
242 /* Check to see if we were changed into a different method, if
243 * so, revert back if we are not doing session-id reuse. */
244 if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
245 {
246 s->method->ssl_free(s);
247 s->method=s->ctx->method;
248 if (!s->method->ssl_new(s))
249 return(0);
250 }
251 else
252#endif
253 s->method->ssl_clear(s);
254 return(1);
255 }
256
257/** Used to change an SSL_CTXs default SSL method type */
Brian Carlstrom221304e2010-04-15 14:22:36 -0700258int SSL_CTX_set_ssl_version(SSL_CTX *ctx,const SSL_METHOD *meth)
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800259 {
260 STACK_OF(SSL_CIPHER) *sk;
261
262 ctx->method=meth;
263
264 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
Brian Carlstrom221304e2010-04-15 14:22:36 -0700265 &(ctx->cipher_list_by_id),
266 meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST);
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800267 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
268 {
269 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
270 return(0);
271 }
272 return(1);
273 }
274
275SSL *SSL_new(SSL_CTX *ctx)
276 {
277 SSL *s;
278
279 if (ctx == NULL)
280 {
281 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
282 return(NULL);
283 }
284 if (ctx->method == NULL)
285 {
286 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
287 return(NULL);
288 }
289
290 s=(SSL *)OPENSSL_malloc(sizeof(SSL));
291 if (s == NULL) goto err;
292 memset(s,0,sizeof(SSL));
293
294#ifndef OPENSSL_NO_KRB5
295 s->kssl_ctx = kssl_ctx_new();
296#endif /* OPENSSL_NO_KRB5 */
297
298 s->options=ctx->options;
299 s->mode=ctx->mode;
300 s->max_cert_list=ctx->max_cert_list;
301
302 if (ctx->cert != NULL)
303 {
304 /* Earlier library versions used to copy the pointer to
305 * the CERT, not its contents; only when setting new
306 * parameters for the per-SSL copy, ssl_cert_new would be
307 * called (and the direct reference to the per-SSL_CTX
308 * settings would be lost, but those still were indirectly
309 * accessed for various purposes, and for that reason they
310 * used to be known as s->ctx->default_cert).
311 * Now we don't look at the SSL_CTX's CERT after having
312 * duplicated it once. */
313
314 s->cert = ssl_cert_dup(ctx->cert);
315 if (s->cert == NULL)
316 goto err;
317 }
318 else
319 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
320
321 s->read_ahead=ctx->read_ahead;
322 s->msg_callback=ctx->msg_callback;
323 s->msg_callback_arg=ctx->msg_callback_arg;
324 s->verify_mode=ctx->verify_mode;
325#if 0
326 s->verify_depth=ctx->verify_depth;
327#endif
328 s->sid_ctx_length=ctx->sid_ctx_length;
329 OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
330 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
331 s->verify_callback=ctx->default_verify_callback;
Brian Carlstromfd113c02010-04-23 15:24:16 -0700332 s->session_creation_enabled=1;
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800333 s->generate_session_id=ctx->generate_session_id;
334
335 s->param = X509_VERIFY_PARAM_new();
336 if (!s->param)
337 goto err;
338 X509_VERIFY_PARAM_inherit(s->param, ctx->param);
339#if 0
340 s->purpose = ctx->purpose;
341 s->trust = ctx->trust;
342#endif
343 s->quiet_shutdown=ctx->quiet_shutdown;
Brian Carlstrom221304e2010-04-15 14:22:36 -0700344 s->max_send_fragment = ctx->max_send_fragment;
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800345
346 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
347 s->ctx=ctx;
348#ifndef OPENSSL_NO_TLSEXT
349 s->tlsext_debug_cb = 0;
350 s->tlsext_debug_arg = NULL;
351 s->tlsext_ticket_expected = 0;
352 s->tlsext_status_type = -1;
353 s->tlsext_status_expected = 0;
354 s->tlsext_ocsp_ids = NULL;
355 s->tlsext_ocsp_exts = NULL;
356 s->tlsext_ocsp_resp = NULL;
357 s->tlsext_ocsp_resplen = -1;
358 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
359 s->initial_ctx=ctx;
Kristian Monsenbf9ac262010-11-29 16:05:31 +0000360# ifndef OPENSSL_NO_NEXTPROTONEG
361 s->next_proto_negotiated = NULL;
362# endif
Kenny Rootee53ab12013-06-24 12:07:13 -0700363
364 if (s->ctx->alpn_client_proto_list)
365 {
366 s->alpn_client_proto_list =
367 OPENSSL_malloc(s->ctx->alpn_client_proto_list_len);
368 if (s->alpn_client_proto_list == NULL)
369 goto err;
370 memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list,
371 s->ctx->alpn_client_proto_list_len);
372 s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len;
373 }
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800374#endif
Brian Carlstrom221304e2010-04-15 14:22:36 -0700375
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800376 s->verify_result=X509_V_OK;
377
378 s->method=ctx->method;
379
380 if (!s->method->ssl_new(s))
381 goto err;
382
383 s->references=1;
384 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
385
386 SSL_clear(s);
387
388 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
389
Brian Carlstrom221304e2010-04-15 14:22:36 -0700390#ifndef OPENSSL_NO_PSK
391 s->psk_client_callback=ctx->psk_client_callback;
392 s->psk_server_callback=ctx->psk_server_callback;
393#endif
394
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800395 return(s);
396err:
397 if (s != NULL)
398 {
399 if (s->cert != NULL)
400 ssl_cert_free(s->cert);
401 if (s->ctx != NULL)
402 SSL_CTX_free(s->ctx); /* decrement reference count */
403 OPENSSL_free(s);
404 }
405 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
406 return(NULL);
407 }
408
409int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
410 unsigned int sid_ctx_len)
411 {
412 if(sid_ctx_len > sizeof ctx->sid_ctx)
413 {
414 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
415 return 0;
416 }
417 ctx->sid_ctx_length=sid_ctx_len;
418 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
419
420 return 1;
421 }
422
423int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
424 unsigned int sid_ctx_len)
425 {
426 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
427 {
428 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
429 return 0;
430 }
431 ssl->sid_ctx_length=sid_ctx_len;
432 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
433
434 return 1;
435 }
436
437int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
438 {
439 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
440 ctx->generate_session_id = cb;
441 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
442 return 1;
443 }
444
445int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
446 {
447 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
448 ssl->generate_session_id = cb;
449 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
450 return 1;
451 }
452
453int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
454 unsigned int id_len)
455 {
456 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
457 * we can "construct" a session to give us the desired check - ie. to
458 * find if there's a session in the hash table that would conflict with
459 * any new session built out of this id/id_len and the ssl_version in
460 * use by this SSL. */
461 SSL_SESSION r, *p;
462
463 if(id_len > sizeof r.session_id)
464 return 0;
465
466 r.ssl_version = ssl->version;
467 r.session_id_length = id_len;
468 memcpy(r.session_id, id, id_len);
469 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
470 * callback is calling us to check the uniqueness of a shorter ID, it
471 * must be compared as a padded-out ID because that is what it will be
472 * converted to when the callback has finished choosing it. */
473 if((r.ssl_version == SSL2_VERSION) &&
474 (id_len < SSL2_SSL_SESSION_ID_LENGTH))
475 {
476 memset(r.session_id + id_len, 0,
477 SSL2_SSL_SESSION_ID_LENGTH - id_len);
478 r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
479 }
480
481 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
Brian Carlstrom221304e2010-04-15 14:22:36 -0700482 p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r);
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800483 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
484 return (p != NULL);
485 }
486
487int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
488 {
489 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
490 }
491
492int SSL_set_purpose(SSL *s, int purpose)
493 {
494 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
495 }
496
497int SSL_CTX_set_trust(SSL_CTX *s, int trust)
498 {
499 return X509_VERIFY_PARAM_set_trust(s->param, trust);
500 }
501
502int SSL_set_trust(SSL *s, int trust)
503 {
504 return X509_VERIFY_PARAM_set_trust(s->param, trust);
505 }
506
Brian Carlstrom221304e2010-04-15 14:22:36 -0700507int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
508 {
509 return X509_VERIFY_PARAM_set1(ctx->param, vpm);
510 }
511
512int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
513 {
514 return X509_VERIFY_PARAM_set1(ssl->param, vpm);
515 }
516
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800517void SSL_free(SSL *s)
518 {
519 int i;
520
521 if(s == NULL)
522 return;
523
524 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
525#ifdef REF_PRINT
526 REF_PRINT("SSL",s);
527#endif
528 if (i > 0) return;
529#ifdef REF_CHECK
530 if (i < 0)
531 {
532 fprintf(stderr,"SSL_free, bad reference count\n");
533 abort(); /* ok */
534 }
535#endif
536
537 if (s->param)
538 X509_VERIFY_PARAM_free(s->param);
539
540 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
541
542 if (s->bbio != NULL)
543 {
544 /* If the buffering BIO is in place, pop it off */
545 if (s->bbio == s->wbio)
546 {
547 s->wbio=BIO_pop(s->wbio);
548 }
549 BIO_free(s->bbio);
550 s->bbio=NULL;
551 }
552 if (s->rbio != NULL)
553 BIO_free_all(s->rbio);
554 if ((s->wbio != NULL) && (s->wbio != s->rbio))
555 BIO_free_all(s->wbio);
556
557 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
558
559 /* add extra stuff */
560 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
561 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
562
563 /* Make the next call work :-) */
564 if (s->session != NULL)
565 {
566 ssl_clear_bad_session(s);
567 SSL_SESSION_free(s->session);
568 }
569
570 ssl_clear_cipher_ctx(s);
Brian Carlstrom221304e2010-04-15 14:22:36 -0700571 ssl_clear_hash_ctx(&s->read_hash);
572 ssl_clear_hash_ctx(&s->write_hash);
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800573
574 if (s->cert != NULL) ssl_cert_free(s->cert);
575 /* Free up if allocated */
576
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800577#ifndef OPENSSL_NO_TLSEXT
Nagendra Modadugue45f1062009-09-30 11:36:48 -0700578 if (s->tlsext_hostname)
579 OPENSSL_free(s->tlsext_hostname);
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800580 if (s->initial_ctx) SSL_CTX_free(s->initial_ctx);
Brian Carlstrom221304e2010-04-15 14:22:36 -0700581#ifndef OPENSSL_NO_EC
582 if (s->tlsext_ecpointformatlist) OPENSSL_free(s->tlsext_ecpointformatlist);
583 if (s->tlsext_ellipticcurvelist) OPENSSL_free(s->tlsext_ellipticcurvelist);
584#endif /* OPENSSL_NO_EC */
585 if (s->tlsext_opaque_prf_input) OPENSSL_free(s->tlsext_opaque_prf_input);
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800586 if (s->tlsext_ocsp_exts)
587 sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts,
588 X509_EXTENSION_free);
589 if (s->tlsext_ocsp_ids)
590 sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);
591 if (s->tlsext_ocsp_resp)
592 OPENSSL_free(s->tlsext_ocsp_resp);
Adam Langley45bcfbc2013-01-16 13:43:53 -0800593 if (s->tlsext_channel_id_private)
594 EVP_PKEY_free(s->tlsext_channel_id_private);
Kenny Rootee53ab12013-06-24 12:07:13 -0700595 if (s->alpn_client_proto_list)
596 OPENSSL_free(s->alpn_client_proto_list);
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800597#endif
Brian Carlstrom221304e2010-04-15 14:22:36 -0700598
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800599 if (s->client_CA != NULL)
600 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
601
602 if (s->method != NULL) s->method->ssl_free(s);
603
Brian Carlstrom98d58bb2010-03-09 09:56:55 -0800604 if (s->ctx) SSL_CTX_free(s->ctx);
605
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800606#ifndef OPENSSL_NO_KRB5
607 if (s->kssl_ctx != NULL)
608 kssl_ctx_free(s->kssl_ctx);
609#endif /* OPENSSL_NO_KRB5 */
610
Kristian Monsenbf9ac262010-11-29 16:05:31 +0000611#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
612 if (s->next_proto_negotiated)
613 OPENSSL_free(s->next_proto_negotiated);
614#endif
615
Brian Carlstromeefface2013-02-11 09:54:43 -0800616#ifndef OPENSSL_NO_SRTP
Brian Carlstrom392aa7c2012-03-15 16:03:43 -0700617 if (s->srtp_profiles)
618 sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
Brian Carlstromeefface2013-02-11 09:54:43 -0800619#endif
Brian Carlstrom392aa7c2012-03-15 16:03:43 -0700620
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800621 OPENSSL_free(s);
622 }
623
624void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
625 {
626 /* If the output buffering BIO is still in place, remove it
627 */
628 if (s->bbio != NULL)
629 {
630 if (s->wbio == s->bbio)
631 {
632 s->wbio=s->wbio->next_bio;
633 s->bbio->next_bio=NULL;
634 }
635 }
636 if ((s->rbio != NULL) && (s->rbio != rbio))
637 BIO_free_all(s->rbio);
638 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
639 BIO_free_all(s->wbio);
640 s->rbio=rbio;
641 s->wbio=wbio;
642 }
643
644BIO *SSL_get_rbio(const SSL *s)
645 { return(s->rbio); }
646
647BIO *SSL_get_wbio(const SSL *s)
648 { return(s->wbio); }
649
650int SSL_get_fd(const SSL *s)
651 {
652 return(SSL_get_rfd(s));
653 }
654
655int SSL_get_rfd(const SSL *s)
656 {
657 int ret= -1;
658 BIO *b,*r;
659
660 b=SSL_get_rbio(s);
661 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
662 if (r != NULL)
663 BIO_get_fd(r,&ret);
664 return(ret);
665 }
666
667int SSL_get_wfd(const SSL *s)
668 {
669 int ret= -1;
670 BIO *b,*r;
671
672 b=SSL_get_wbio(s);
673 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
674 if (r != NULL)
675 BIO_get_fd(r,&ret);
676 return(ret);
677 }
678
679#ifndef OPENSSL_NO_SOCK
680int SSL_set_fd(SSL *s,int fd)
681 {
682 int ret=0;
683 BIO *bio=NULL;
684
685 bio=BIO_new(BIO_s_socket());
686
687 if (bio == NULL)
688 {
689 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
690 goto err;
691 }
692 BIO_set_fd(bio,fd,BIO_NOCLOSE);
693 SSL_set_bio(s,bio,bio);
694 ret=1;
695err:
696 return(ret);
697 }
698
699int SSL_set_wfd(SSL *s,int fd)
700 {
701 int ret=0;
702 BIO *bio=NULL;
703
704 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
705 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
706 {
707 bio=BIO_new(BIO_s_socket());
708
709 if (bio == NULL)
710 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
711 BIO_set_fd(bio,fd,BIO_NOCLOSE);
712 SSL_set_bio(s,SSL_get_rbio(s),bio);
713 }
714 else
715 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
716 ret=1;
717err:
718 return(ret);
719 }
720
721int SSL_set_rfd(SSL *s,int fd)
722 {
723 int ret=0;
724 BIO *bio=NULL;
725
726 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
727 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
728 {
729 bio=BIO_new(BIO_s_socket());
730
731 if (bio == NULL)
732 {
733 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
734 goto err;
735 }
736 BIO_set_fd(bio,fd,BIO_NOCLOSE);
737 SSL_set_bio(s,bio,SSL_get_wbio(s));
738 }
739 else
740 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
741 ret=1;
742err:
743 return(ret);
744 }
745#endif
746
747
748/* return length of latest Finished message we sent, copy to 'buf' */
749size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
750 {
751 size_t ret = 0;
752
753 if (s->s3 != NULL)
754 {
755 ret = s->s3->tmp.finish_md_len;
756 if (count > ret)
757 count = ret;
758 memcpy(buf, s->s3->tmp.finish_md, count);
759 }
760 return ret;
761 }
762
763/* return length of latest Finished message we expected, copy to 'buf' */
764size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
765 {
766 size_t ret = 0;
767
768 if (s->s3 != NULL)
769 {
770 ret = s->s3->tmp.peer_finish_md_len;
771 if (count > ret)
772 count = ret;
773 memcpy(buf, s->s3->tmp.peer_finish_md, count);
774 }
775 return ret;
776 }
777
778
779int SSL_get_verify_mode(const SSL *s)
780 {
781 return(s->verify_mode);
782 }
783
784int SSL_get_verify_depth(const SSL *s)
785 {
786 return X509_VERIFY_PARAM_get_depth(s->param);
787 }
788
789int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *)
790 {
791 return(s->verify_callback);
792 }
793
794int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
795 {
796 return(ctx->verify_mode);
797 }
798
799int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
800 {
801 return X509_VERIFY_PARAM_get_depth(ctx->param);
802 }
803
804int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *)
805 {
806 return(ctx->default_verify_callback);
807 }
808
809void SSL_set_verify(SSL *s,int mode,
810 int (*callback)(int ok,X509_STORE_CTX *ctx))
811 {
812 s->verify_mode=mode;
813 if (callback != NULL)
814 s->verify_callback=callback;
815 }
816
817void SSL_set_verify_depth(SSL *s,int depth)
818 {
819 X509_VERIFY_PARAM_set_depth(s->param, depth);
820 }
821
822void SSL_set_read_ahead(SSL *s,int yes)
823 {
824 s->read_ahead=yes;
825 }
826
827int SSL_get_read_ahead(const SSL *s)
828 {
829 return(s->read_ahead);
830 }
831
832int SSL_pending(const SSL *s)
833 {
834 /* SSL_pending cannot work properly if read-ahead is enabled
835 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
836 * and it is impossible to fix since SSL_pending cannot report
837 * errors that may be observed while scanning the new data.
838 * (Note that SSL_pending() is often used as a boolean value,
839 * so we'd better not return -1.)
840 */
841 return(s->method->ssl_pending(s));
842 }
843
844X509 *SSL_get_peer_certificate(const SSL *s)
845 {
846 X509 *r;
847
848 if ((s == NULL) || (s->session == NULL))
849 r=NULL;
850 else
851 r=s->session->peer;
852
853 if (r == NULL) return(r);
854
855 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
856
857 return(r);
858 }
859
860STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
861 {
862 STACK_OF(X509) *r;
863
864 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
865 r=NULL;
866 else
867 r=s->session->sess_cert->cert_chain;
868
869 /* If we are a client, cert_chain includes the peer's own
870 * certificate; if we are a server, it does not. */
871
872 return(r);
873 }
874
875/* Now in theory, since the calling process own 't' it should be safe to
876 * modify. We need to be able to read f without being hassled */
877void SSL_copy_session_id(SSL *t,const SSL *f)
878 {
879 CERT *tmp;
880
881 /* Do we need to to SSL locking? */
882 SSL_set_session(t,SSL_get_session(f));
883
884 /* what if we are setup as SSLv2 but want to talk SSLv3 or
885 * vice-versa */
886 if (t->method != f->method)
887 {
888 t->method->ssl_free(t); /* cleanup current */
889 t->method=f->method; /* change method */
890 t->method->ssl_new(t); /* setup new */
891 }
892
893 tmp=t->cert;
894 if (f->cert != NULL)
895 {
896 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
897 t->cert=f->cert;
898 }
899 else
900 t->cert=NULL;
901 if (tmp != NULL) ssl_cert_free(tmp);
902 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
903 }
904
905/* Fix this so it checks all the valid key/cert options */
906int SSL_CTX_check_private_key(const SSL_CTX *ctx)
907 {
908 if ( (ctx == NULL) ||
909 (ctx->cert == NULL) ||
910 (ctx->cert->key->x509 == NULL))
911 {
912 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
913 return(0);
914 }
915 if (ctx->cert->key->privatekey == NULL)
916 {
917 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
918 return(0);
919 }
920 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
921 }
922
923/* Fix this function so that it takes an optional type parameter */
924int SSL_check_private_key(const SSL *ssl)
925 {
926 if (ssl == NULL)
927 {
928 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
929 return(0);
930 }
931 if (ssl->cert == NULL)
932 {
Brian Carlstrom221304e2010-04-15 14:22:36 -0700933 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
The Android Open Source Project656d9c72009-03-03 19:30:25 -0800934 return 0;
935 }
936 if (ssl->cert->key->x509 == NULL)
937 {
938 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
939 return(0);
940 }
941 if (ssl->cert->key->privatekey == NULL)
942 {
943 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
944 return(0);
945 }
946 return(X509_check_private_key(ssl->cert->key->x509,
947 ssl->cert->key->privatekey));
948 }
949
950int SSL_accept(SSL *s)
951 {
952 if (s->handshake_func == 0)
953 /* Not properly initialized yet */
954 SSL_set_accept_state(s);
955
956 return(s->method->ssl_accept(s));
957 }
958
959int SSL_connect(SSL *s)
960 {
961 if (s->handshake_func == 0)
962 /* Not properly initialized yet */
963 SSL_set_connect_state(s);
964
965 return(s->method->ssl_connect(s));
966 }
967
968long SSL_get_default_timeout(const SSL *s)
969 {
970 return(s->method->get_timeout());
971 }
972
973int SSL_read(SSL *s,void *buf,int num)
974 {
975 if (s->handshake_func == 0)
976 {
977 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
978 return -1;
979 }
980
981 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
982 {
983 s->rwstate=SSL_NOTHING;
984 return(0);
985 }
986 return(s->method->ssl_read(s,buf,num));
987 }
988
989int SSL_peek(SSL *s,void *buf,int num)
990 {
991 if (s->handshake_func == 0)
992 {
993 SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
994 return -1;
995 }
996
997 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
998 {
999 return(0);
1000 }
1001 return(s->method->ssl_peek(s,buf,num));
1002 }
1003
1004int SSL_write(SSL *s,const void *buf,int num)
1005 {
1006 if (s->handshake_func == 0)
1007 {
1008 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
1009 return -1;
1010 }
1011
1012 if (s->shutdown & SSL_SENT_SHUTDOWN)
1013 {
1014 s->rwstate=SSL_NOTHING;
1015 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
1016 return(-1);
1017 }
1018 return(s->method->ssl_write(s,buf,num));
1019 }
1020
1021int SSL_shutdown(SSL *s)
1022 {
1023 /* Note that this function behaves differently from what one might
1024 * expect. Return values are 0 for no success (yet),
1025 * 1 for success; but calling it once is usually not enough,
1026 * even if blocking I/O is used (see ssl3_shutdown).
1027 */
1028
1029 if (s->handshake_func == 0)
1030 {
1031 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
1032 return -1;
1033 }
1034
1035 if ((s != NULL) && !SSL_in_init(s))
1036 return(s->method->ssl_shutdown(s));
1037 else
1038 return(1);
1039 }
1040
1041int SSL_renegotiate(SSL *s)
1042 {
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07001043 if (s->renegotiate == 0)
1044 s->renegotiate=1;
1045
1046 s->new_session=1;
1047
1048 return(s->method->ssl_renegotiate(s));
1049 }
1050
1051int SSL_renegotiate_abbreviated(SSL *s)
1052 {
1053 if (s->renegotiate == 0)
1054 s->renegotiate=1;
1055
1056 s->new_session=0;
1057
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001058 return(s->method->ssl_renegotiate(s));
1059 }
1060
1061int SSL_renegotiate_pending(SSL *s)
1062 {
1063 /* becomes true when negotiation is requested;
1064 * false again once a handshake has finished */
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07001065 return (s->renegotiate != 0);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001066 }
1067
1068long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
1069 {
1070 long l;
1071
1072 switch (cmd)
1073 {
1074 case SSL_CTRL_GET_READ_AHEAD:
1075 return(s->read_ahead);
1076 case SSL_CTRL_SET_READ_AHEAD:
1077 l=s->read_ahead;
1078 s->read_ahead=larg;
1079 return(l);
1080
1081 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1082 s->msg_callback_arg = parg;
1083 return 1;
1084
1085 case SSL_CTRL_OPTIONS:
1086 return(s->options|=larg);
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001087 case SSL_CTRL_CLEAR_OPTIONS:
1088 return(s->options&=~larg);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001089 case SSL_CTRL_MODE:
1090 return(s->mode|=larg);
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001091 case SSL_CTRL_CLEAR_MODE:
1092 return(s->mode &=~larg);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001093 case SSL_CTRL_GET_MAX_CERT_LIST:
1094 return(s->max_cert_list);
1095 case SSL_CTRL_SET_MAX_CERT_LIST:
1096 l=s->max_cert_list;
1097 s->max_cert_list=larg;
1098 return(l);
1099 case SSL_CTRL_SET_MTU:
Brian Carlstrom7b476c42012-01-04 13:22:32 -08001100#ifndef OPENSSL_NO_DTLS1
1101 if (larg < (long)dtls1_min_mtu())
1102 return 0;
1103#endif
1104
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001105 if (SSL_version(s) == DTLS1_VERSION ||
1106 SSL_version(s) == DTLS1_BAD_VER)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001107 {
1108 s->d1->mtu = larg;
1109 return larg;
1110 }
1111 return 0;
Brian Carlstrom221304e2010-04-15 14:22:36 -07001112 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
1113 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
1114 return 0;
1115 s->max_send_fragment = larg;
1116 return 1;
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001117 case SSL_CTRL_GET_RI_SUPPORT:
1118 if (s->s3)
1119 return s->s3->send_connection_binding;
1120 else return 0;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001121 default:
1122 return(s->method->ssl_ctrl(s,cmd,larg,parg));
1123 }
1124 }
1125
1126long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
1127 {
1128 switch(cmd)
1129 {
1130 case SSL_CTRL_SET_MSG_CALLBACK:
1131 s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1132 return 1;
1133
1134 default:
1135 return(s->method->ssl_callback_ctrl(s,cmd,fp));
1136 }
1137 }
1138
Brian Carlstrom221304e2010-04-15 14:22:36 -07001139LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001140 {
1141 return ctx->sessions;
1142 }
1143
1144long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
1145 {
1146 long l;
1147
1148 switch (cmd)
1149 {
1150 case SSL_CTRL_GET_READ_AHEAD:
1151 return(ctx->read_ahead);
1152 case SSL_CTRL_SET_READ_AHEAD:
1153 l=ctx->read_ahead;
1154 ctx->read_ahead=larg;
1155 return(l);
1156
1157 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1158 ctx->msg_callback_arg = parg;
1159 return 1;
1160
1161 case SSL_CTRL_GET_MAX_CERT_LIST:
1162 return(ctx->max_cert_list);
1163 case SSL_CTRL_SET_MAX_CERT_LIST:
1164 l=ctx->max_cert_list;
1165 ctx->max_cert_list=larg;
1166 return(l);
1167
1168 case SSL_CTRL_SET_SESS_CACHE_SIZE:
1169 l=ctx->session_cache_size;
1170 ctx->session_cache_size=larg;
1171 return(l);
1172 case SSL_CTRL_GET_SESS_CACHE_SIZE:
1173 return(ctx->session_cache_size);
1174 case SSL_CTRL_SET_SESS_CACHE_MODE:
1175 l=ctx->session_cache_mode;
1176 ctx->session_cache_mode=larg;
1177 return(l);
1178 case SSL_CTRL_GET_SESS_CACHE_MODE:
1179 return(ctx->session_cache_mode);
1180
1181 case SSL_CTRL_SESS_NUMBER:
Brian Carlstrom221304e2010-04-15 14:22:36 -07001182 return(lh_SSL_SESSION_num_items(ctx->sessions));
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001183 case SSL_CTRL_SESS_CONNECT:
1184 return(ctx->stats.sess_connect);
1185 case SSL_CTRL_SESS_CONNECT_GOOD:
1186 return(ctx->stats.sess_connect_good);
1187 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1188 return(ctx->stats.sess_connect_renegotiate);
1189 case SSL_CTRL_SESS_ACCEPT:
1190 return(ctx->stats.sess_accept);
1191 case SSL_CTRL_SESS_ACCEPT_GOOD:
1192 return(ctx->stats.sess_accept_good);
1193 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1194 return(ctx->stats.sess_accept_renegotiate);
1195 case SSL_CTRL_SESS_HIT:
1196 return(ctx->stats.sess_hit);
1197 case SSL_CTRL_SESS_CB_HIT:
1198 return(ctx->stats.sess_cb_hit);
1199 case SSL_CTRL_SESS_MISSES:
1200 return(ctx->stats.sess_miss);
1201 case SSL_CTRL_SESS_TIMEOUTS:
1202 return(ctx->stats.sess_timeout);
1203 case SSL_CTRL_SESS_CACHE_FULL:
1204 return(ctx->stats.sess_cache_full);
1205 case SSL_CTRL_OPTIONS:
1206 return(ctx->options|=larg);
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001207 case SSL_CTRL_CLEAR_OPTIONS:
1208 return(ctx->options&=~larg);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001209 case SSL_CTRL_MODE:
1210 return(ctx->mode|=larg);
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001211 case SSL_CTRL_CLEAR_MODE:
1212 return(ctx->mode&=~larg);
Brian Carlstrom221304e2010-04-15 14:22:36 -07001213 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
1214 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
1215 return 0;
1216 ctx->max_send_fragment = larg;
1217 return 1;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001218 default:
1219 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
1220 }
1221 }
1222
1223long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
1224 {
1225 switch(cmd)
1226 {
1227 case SSL_CTRL_SET_MSG_CALLBACK:
1228 ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1229 return 1;
1230
1231 default:
1232 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
1233 }
1234 }
1235
1236int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1237 {
1238 long l;
1239
1240 l=a->id-b->id;
1241 if (l == 0L)
1242 return(0);
1243 else
1244 return((l > 0)?1:-1);
1245 }
1246
1247int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
1248 const SSL_CIPHER * const *bp)
1249 {
1250 long l;
1251
1252 l=(*ap)->id-(*bp)->id;
1253 if (l == 0L)
1254 return(0);
1255 else
1256 return((l > 0)?1:-1);
1257 }
1258
1259/** return a STACK of the ciphers available for the SSL and in order of
1260 * preference */
1261STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
1262 {
1263 if (s != NULL)
1264 {
1265 if (s->cipher_list != NULL)
1266 {
1267 return(s->cipher_list);
1268 }
1269 else if ((s->ctx != NULL) &&
1270 (s->ctx->cipher_list != NULL))
1271 {
1272 return(s->ctx->cipher_list);
1273 }
1274 }
1275 return(NULL);
1276 }
1277
1278/** return a STACK of the ciphers available for the SSL and in order of
1279 * algorithm id */
1280STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
1281 {
1282 if (s != NULL)
1283 {
1284 if (s->cipher_list_by_id != NULL)
1285 {
1286 return(s->cipher_list_by_id);
1287 }
1288 else if ((s->ctx != NULL) &&
1289 (s->ctx->cipher_list_by_id != NULL))
1290 {
1291 return(s->ctx->cipher_list_by_id);
1292 }
1293 }
1294 return(NULL);
1295 }
1296
1297/** The old interface to get the same thing as SSL_get_ciphers() */
1298const char *SSL_get_cipher_list(const SSL *s,int n)
1299 {
1300 SSL_CIPHER *c;
1301 STACK_OF(SSL_CIPHER) *sk;
1302
1303 if (s == NULL) return(NULL);
1304 sk=SSL_get_ciphers(s);
1305 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
1306 return(NULL);
1307 c=sk_SSL_CIPHER_value(sk,n);
1308 if (c == NULL) return(NULL);
1309 return(c->name);
1310 }
1311
1312/** specify the ciphers to be used by default by the SSL_CTX */
1313int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1314 {
1315 STACK_OF(SSL_CIPHER) *sk;
1316
1317 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
1318 &ctx->cipher_list_by_id,str);
1319 /* ssl_create_cipher_list may return an empty stack if it
1320 * was unable to find a cipher matching the given rule string
1321 * (for example if the rule string specifies a cipher which
Brian Carlstrom221304e2010-04-15 14:22:36 -07001322 * has been disabled). This is not an error as far as
1323 * ssl_create_cipher_list is concerned, and hence
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001324 * ctx->cipher_list and ctx->cipher_list_by_id has been
1325 * updated. */
1326 if (sk == NULL)
1327 return 0;
1328 else if (sk_SSL_CIPHER_num(sk) == 0)
1329 {
1330 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1331 return 0;
1332 }
1333 return 1;
1334 }
1335
1336/** specify the ciphers to be used by the SSL */
1337int SSL_set_cipher_list(SSL *s,const char *str)
1338 {
1339 STACK_OF(SSL_CIPHER) *sk;
1340
1341 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
1342 &s->cipher_list_by_id,str);
1343 /* see comment in SSL_CTX_set_cipher_list */
1344 if (sk == NULL)
1345 return 0;
1346 else if (sk_SSL_CIPHER_num(sk) == 0)
1347 {
1348 SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1349 return 0;
1350 }
1351 return 1;
1352 }
1353
Brian Carlstrom904c5bb2010-05-14 11:42:48 -07001354/** specify the ciphers to be used by the SSL */
1355int SSL_set_cipher_lists(SSL *s,STACK_OF(SSL_CIPHER) *sk)
1356 {
1357 STACK_OF(SSL_CIPHER) *tmp_cipher_list;
1358
1359 if (sk == NULL)
1360 return 0;
1361
1362 /* Based on end of ssl_create_cipher_list */
1363 tmp_cipher_list = sk_SSL_CIPHER_dup(sk);
1364 if (tmp_cipher_list == NULL)
1365 {
1366 return 0;
1367 }
1368 if (s->cipher_list != NULL)
1369 sk_SSL_CIPHER_free(s->cipher_list);
1370 s->cipher_list = sk;
1371 if (s->cipher_list_by_id != NULL)
1372 sk_SSL_CIPHER_free(s->cipher_list_by_id);
1373 s->cipher_list_by_id = tmp_cipher_list;
1374 (void)sk_SSL_CIPHER_set_cmp_func(s->cipher_list_by_id,ssl_cipher_ptr_id_cmp);
1375
1376 sk_SSL_CIPHER_sort(s->cipher_list_by_id);
1377 return 1;
1378 }
1379
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001380/* works well for SSLv2, not so good for SSLv3 */
1381char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
1382 {
1383 char *p;
1384 STACK_OF(SSL_CIPHER) *sk;
1385 SSL_CIPHER *c;
1386 int i;
1387
1388 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
1389 (len < 2))
1390 return(NULL);
1391
1392 p=buf;
1393 sk=s->session->ciphers;
1394 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1395 {
1396 int n;
1397
1398 c=sk_SSL_CIPHER_value(sk,i);
1399 n=strlen(c->name);
1400 if (n+1 > len)
1401 {
1402 if (p != buf)
1403 --p;
1404 *p='\0';
1405 return buf;
1406 }
1407 strcpy(p,c->name);
1408 p+=n;
1409 *(p++)=':';
1410 len-=n+1;
1411 }
1412 p[-1]='\0';
1413 return(buf);
1414 }
1415
1416int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
Brian Carlstrom221304e2010-04-15 14:22:36 -07001417 int (*put_cb)(const SSL_CIPHER *, unsigned char *))
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001418 {
1419 int i,j=0;
1420 SSL_CIPHER *c;
1421 unsigned char *q;
1422#ifndef OPENSSL_NO_KRB5
Brian Carlstrom221304e2010-04-15 14:22:36 -07001423 int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001424#endif /* OPENSSL_NO_KRB5 */
1425
1426 if (sk == NULL) return(0);
1427 q=p;
1428
1429 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1430 {
1431 c=sk_SSL_CIPHER_value(sk,i);
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07001432 /* Skip TLS v1.2 only ciphersuites if lower than v1.2 */
1433 if ((c->algorithm_ssl & SSL_TLSV1_2) &&
1434 (TLS1_get_client_version(s) < TLS1_2_VERSION))
1435 continue;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001436#ifndef OPENSSL_NO_KRB5
Brian Carlstrom221304e2010-04-15 14:22:36 -07001437 if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) &&
1438 nokrb5)
1439 continue;
1440#endif /* OPENSSL_NO_KRB5 */
1441#ifndef OPENSSL_NO_PSK
1442 /* with PSK there must be client callback set */
Alex Klyubinde9675d2014-04-28 15:57:15 -07001443 if ((c->algorithm_auth & SSL_aPSK) &&
Brian Carlstrom221304e2010-04-15 14:22:36 -07001444 s->psk_client_callback == NULL)
1445 continue;
1446#endif /* OPENSSL_NO_PSK */
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001447 j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
1448 p+=j;
1449 }
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001450 /* If p == q, no ciphers and caller indicates an error. Otherwise
1451 * add SCSV if not renegotiating.
1452 */
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07001453 if (p != q && !s->renegotiate)
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001454 {
1455 static SSL_CIPHER scsv =
1456 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07001457 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001458 };
1459 j = put_cb ? put_cb(&scsv,p) : ssl_put_cipher_by_char(s,&scsv,p);
1460 p+=j;
1461#ifdef OPENSSL_RI_DEBUG
1462 fprintf(stderr, "SCSV sent by client\n");
1463#endif
1464 }
1465
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001466 return(p-q);
1467 }
1468
1469STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1470 STACK_OF(SSL_CIPHER) **skp)
1471 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07001472 const SSL_CIPHER *c;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001473 STACK_OF(SSL_CIPHER) *sk;
1474 int i,n;
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001475 if (s->s3)
1476 s->s3->send_connection_binding = 0;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001477
1478 n=ssl_put_cipher_by_char(s,NULL,NULL);
1479 if ((num%n) != 0)
1480 {
1481 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1482 return(NULL);
1483 }
1484 if ((skp == NULL) || (*skp == NULL))
1485 sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1486 else
1487 {
1488 sk= *skp;
1489 sk_SSL_CIPHER_zero(sk);
1490 }
1491
1492 for (i=0; i<num; i+=n)
1493 {
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001494 /* Check for SCSV */
1495 if (s->s3 && (n != 3 || !p[0]) &&
1496 (p[n-2] == ((SSL3_CK_SCSV >> 8) & 0xff)) &&
1497 (p[n-1] == (SSL3_CK_SCSV & 0xff)))
1498 {
1499 /* SCSV fatal if renegotiating */
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07001500 if (s->renegotiate)
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001501 {
1502 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING);
1503 ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE);
1504 goto err;
1505 }
1506 s->s3->send_connection_binding = 1;
1507 p += n;
1508#ifdef OPENSSL_RI_DEBUG
1509 fprintf(stderr, "SCSV received by server\n");
1510#endif
1511 continue;
1512 }
1513
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001514 c=ssl_get_cipher_by_char(s,p);
1515 p+=n;
1516 if (c != NULL)
1517 {
1518 if (!sk_SSL_CIPHER_push(sk,c))
1519 {
1520 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1521 goto err;
1522 }
1523 }
1524 }
1525
1526 if (skp != NULL)
1527 *skp=sk;
1528 return(sk);
1529err:
1530 if ((skp == NULL) || (*skp == NULL))
1531 sk_SSL_CIPHER_free(sk);
1532 return(NULL);
1533 }
1534
Brian Carlstrom221304e2010-04-15 14:22:36 -07001535
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001536#ifndef OPENSSL_NO_TLSEXT
1537/** return a servername extension value if provided in Client Hello, or NULL.
1538 * So far, only host_name types are defined (RFC 3546).
1539 */
1540
1541const char *SSL_get_servername(const SSL *s, const int type)
1542 {
1543 if (type != TLSEXT_NAMETYPE_host_name)
1544 return NULL;
1545
1546 return s->session && !s->tlsext_hostname ?
1547 s->session->tlsext_hostname :
1548 s->tlsext_hostname;
1549 }
1550
1551int SSL_get_servername_type(const SSL *s)
1552 {
1553 if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname))
1554 return TLSEXT_NAMETYPE_host_name;
1555 return -1;
1556 }
Kristian Monsenbf9ac262010-11-29 16:05:31 +00001557
1558# ifndef OPENSSL_NO_NEXTPROTONEG
1559/* SSL_select_next_proto implements the standard protocol selection. It is
1560 * expected that this function is called from the callback set by
1561 * SSL_CTX_set_next_proto_select_cb.
1562 *
1563 * The protocol data is assumed to be a vector of 8-bit, length prefixed byte
1564 * strings. The length byte itself is not included in the length. A byte
1565 * string of length 0 is invalid. No byte string may be truncated.
1566 *
1567 * The current, but experimental algorithm for selecting the protocol is:
1568 *
1569 * 1) If the server doesn't support NPN then this is indicated to the
1570 * callback. In this case, the client application has to abort the connection
1571 * or have a default application level protocol.
1572 *
1573 * 2) If the server supports NPN, but advertises an empty list then the
1574 * client selects the first protcol in its list, but indicates via the
1575 * API that this fallback case was enacted.
1576 *
1577 * 3) Otherwise, the client finds the first protocol in the server's list
1578 * that it supports and selects this protocol. This is because it's
1579 * assumed that the server has better information about which protocol
1580 * a client should use.
1581 *
1582 * 4) If the client doesn't support any of the server's advertised
1583 * protocols, then this is treated the same as case 2.
1584 *
1585 * It returns either
1586 * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
1587 * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1588 */
1589int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, const unsigned char *server, unsigned int server_len, const unsigned char *client, unsigned int client_len)
1590 {
1591 unsigned int i, j;
1592 const unsigned char *result;
1593 int status = OPENSSL_NPN_UNSUPPORTED;
1594
1595 /* For each protocol in server preference order, see if we support it. */
1596 for (i = 0; i < server_len; )
1597 {
1598 for (j = 0; j < client_len; )
1599 {
1600 if (server[i] == client[j] &&
1601 memcmp(&server[i+1], &client[j+1], server[i]) == 0)
1602 {
1603 /* We found a match */
1604 result = &server[i];
1605 status = OPENSSL_NPN_NEGOTIATED;
1606 goto found;
1607 }
1608 j += client[j];
1609 j++;
1610 }
1611 i += server[i];
1612 i++;
1613 }
1614
1615 /* There's no overlap between our protocols and the server's list. */
1616 result = client;
1617 status = OPENSSL_NPN_NO_OVERLAP;
1618
1619 found:
1620 *out = (unsigned char *) result + 1;
1621 *outlen = result[0];
1622 return status;
1623 }
1624
1625/* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's
1626 * requested protocol for this connection and returns 0. If the client didn't
1627 * request any protocol, then *data is set to NULL.
1628 *
1629 * Note that the client can request any protocol it chooses. The value returned
1630 * from this function need not be a member of the list of supported protocols
1631 * provided by the callback.
1632 */
1633void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, unsigned *len)
1634 {
1635 *data = s->next_proto_negotiated;
1636 if (!*data) {
1637 *len = 0;
1638 } else {
1639 *len = s->next_proto_negotiated_len;
1640 }
1641}
1642
1643/* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a
1644 * TLS server needs a list of supported protocols for Next Protocol
1645 * Negotiation. The returned list must be in wire format. The list is returned
1646 * by setting |out| to point to it and |outlen| to its length. This memory will
1647 * not be modified, but one should assume that the SSL* keeps a reference to
1648 * it.
1649 *
1650 * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no
1651 * such extension will be included in the ServerHello. */
1652void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, int (*cb) (SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg), void *arg)
1653 {
1654 ctx->next_protos_advertised_cb = cb;
1655 ctx->next_protos_advertised_cb_arg = arg;
1656 }
1657
1658/* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1659 * client needs to select a protocol from the server's provided list. |out|
1660 * must be set to point to the selected protocol (which may be within |in|).
1661 * The length of the protocol name must be written into |outlen|. The server's
1662 * advertised protocols are provided in |in| and |inlen|. The callback can
1663 * assume that |in| is syntactically valid.
1664 *
1665 * The client must select a protocol. It is fatal to the connection if this
1666 * callback returns a value other than SSL_TLSEXT_ERR_OK.
1667 */
1668void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg), void *arg)
1669 {
1670 ctx->next_proto_select_cb = cb;
1671 ctx->next_proto_select_cb_arg = arg;
1672 }
Kristian Monsenbf9ac262010-11-29 16:05:31 +00001673# endif
Kenny Rootee53ab12013-06-24 12:07:13 -07001674
1675/* SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
1676 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1677 * length-prefixed strings).
1678 *
1679 * Returns 0 on success. */
1680int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char* protos,
1681 unsigned protos_len)
1682 {
1683 if (ctx->alpn_client_proto_list)
1684 OPENSSL_free(ctx->alpn_client_proto_list);
1685
1686 ctx->alpn_client_proto_list = OPENSSL_malloc(protos_len);
1687 if (!ctx->alpn_client_proto_list)
1688 return 1;
1689 memcpy(ctx->alpn_client_proto_list, protos, protos_len);
1690 ctx->alpn_client_proto_list_len = protos_len;
1691
1692 return 0;
1693 }
1694
1695/* SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
1696 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1697 * length-prefixed strings).
1698 *
1699 * Returns 0 on success. */
1700int SSL_set_alpn_protos(SSL *ssl, const unsigned char* protos,
1701 unsigned protos_len)
1702 {
1703 if (ssl->alpn_client_proto_list)
1704 OPENSSL_free(ssl->alpn_client_proto_list);
1705
1706 ssl->alpn_client_proto_list = OPENSSL_malloc(protos_len);
1707 if (!ssl->alpn_client_proto_list)
1708 return 1;
1709 memcpy(ssl->alpn_client_proto_list, protos, protos_len);
1710 ssl->alpn_client_proto_list_len = protos_len;
1711
1712 return 0;
1713 }
1714
1715/* SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is called
1716 * during ClientHello processing in order to select an ALPN protocol from the
1717 * client's list of offered protocols. */
1718void SSL_CTX_set_alpn_select_cb(SSL_CTX* ctx,
1719 int (*cb) (SSL *ssl,
1720 const unsigned char **out,
1721 unsigned char *outlen,
1722 const unsigned char *in,
1723 unsigned int inlen,
1724 void *arg),
1725 void *arg)
1726 {
1727 ctx->alpn_select_cb = cb;
1728 ctx->alpn_select_cb_arg = arg;
1729 }
1730
1731/* SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|.
1732 * On return it sets |*data| to point to |*len| bytes of protocol name (not
1733 * including the leading length-prefix byte). If the server didn't respond with
1734 * a negotiated protocol then |*len| will be zero. */
1735void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
1736 unsigned *len)
1737 {
1738 *data = NULL;
1739 if (ssl->s3)
1740 *data = ssl->s3->alpn_selected;
1741 if (*data == NULL)
1742 *len = 0;
1743 else
1744 *len = ssl->s3->alpn_selected_len;
1745 }
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001746#endif
1747
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07001748int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
1749 const char *label, size_t llen, const unsigned char *p, size_t plen,
1750 int use_context)
1751 {
1752 if (s->version < TLS1_VERSION)
1753 return -1;
1754
1755 return s->method->ssl3_enc->export_keying_material(s, out, olen, label,
1756 llen, p, plen,
1757 use_context);
1758 }
1759
Brian Carlstrom221304e2010-04-15 14:22:36 -07001760static unsigned long ssl_session_hash(const SSL_SESSION *a)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001761 {
1762 unsigned long l;
1763
1764 l=(unsigned long)
1765 ((unsigned int) a->session_id[0] )|
1766 ((unsigned int) a->session_id[1]<< 8L)|
1767 ((unsigned long)a->session_id[2]<<16L)|
1768 ((unsigned long)a->session_id[3]<<24L);
1769 return(l);
1770 }
1771
1772/* NB: If this function (or indeed the hash function which uses a sort of
1773 * coarser function than this one) is changed, ensure
1774 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1775 * able to construct an SSL_SESSION that will collide with any existing session
1776 * with a matching session ID. */
Brian Carlstrom221304e2010-04-15 14:22:36 -07001777static int ssl_session_cmp(const SSL_SESSION *a,const SSL_SESSION *b)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001778 {
1779 if (a->ssl_version != b->ssl_version)
1780 return(1);
1781 if (a->session_id_length != b->session_id_length)
1782 return(1);
1783 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1784 }
1785
1786/* These wrapper functions should remain rather than redeclaring
1787 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1788 * variable. The reason is that the functions aren't static, they're exposed via
1789 * ssl.h. */
Brian Carlstrom221304e2010-04-15 14:22:36 -07001790static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION)
1791static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001792
Brian Carlstrom221304e2010-04-15 14:22:36 -07001793SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001794 {
1795 SSL_CTX *ret=NULL;
Brian Carlstrom221304e2010-04-15 14:22:36 -07001796
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001797 if (meth == NULL)
1798 {
1799 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1800 return(NULL);
1801 }
1802
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07001803#ifdef OPENSSL_FIPS
1804 if (FIPS_mode() && (meth->version < TLS1_VERSION))
1805 {
1806 SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
1807 return NULL;
1808 }
1809#endif
1810
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001811 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1812 {
1813 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1814 goto err;
1815 }
1816 ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
1817 if (ret == NULL)
1818 goto err;
1819
1820 memset(ret,0,sizeof(SSL_CTX));
1821
1822 ret->method=meth;
1823
1824 ret->cert_store=NULL;
1825 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1826 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1827 ret->session_cache_head=NULL;
1828 ret->session_cache_tail=NULL;
1829
1830 /* We take the system default */
1831 ret->session_timeout=meth->get_timeout();
1832
1833 ret->new_session_cb=0;
1834 ret->remove_session_cb=0;
1835 ret->get_session_cb=0;
1836 ret->generate_session_id=0;
1837
1838 memset((char *)&ret->stats,0,sizeof(ret->stats));
1839
1840 ret->references=1;
1841 ret->quiet_shutdown=0;
1842
1843/* ret->cipher=NULL;*/
1844/* ret->s2->challenge=NULL;
1845 ret->master_key=NULL;
1846 ret->key_arg=NULL;
1847 ret->s2->conn_id=NULL; */
1848
1849 ret->info_callback=NULL;
1850
1851 ret->app_verify_callback=0;
1852 ret->app_verify_arg=NULL;
1853
1854 ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
1855 ret->read_ahead=0;
1856 ret->msg_callback=0;
1857 ret->msg_callback_arg=NULL;
1858 ret->verify_mode=SSL_VERIFY_NONE;
1859#if 0
1860 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1861#endif
1862 ret->sid_ctx_length=0;
1863 ret->default_verify_callback=NULL;
1864 if ((ret->cert=ssl_cert_new()) == NULL)
1865 goto err;
1866
1867 ret->default_passwd_callback=0;
1868 ret->default_passwd_callback_userdata=NULL;
1869 ret->client_cert_cb=0;
1870 ret->app_gen_cookie_cb=0;
1871 ret->app_verify_cookie_cb=0;
1872
Brian Carlstrom221304e2010-04-15 14:22:36 -07001873 ret->sessions=lh_SSL_SESSION_new();
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001874 if (ret->sessions == NULL) goto err;
1875 ret->cert_store=X509_STORE_new();
1876 if (ret->cert_store == NULL) goto err;
1877
1878 ssl_create_cipher_list(ret->method,
1879 &ret->cipher_list,&ret->cipher_list_by_id,
Brian Carlstrom221304e2010-04-15 14:22:36 -07001880 meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001881 if (ret->cipher_list == NULL
1882 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1883 {
1884 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1885 goto err2;
1886 }
1887
1888 ret->param = X509_VERIFY_PARAM_new();
1889 if (!ret->param)
1890 goto err;
1891
1892 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1893 {
1894 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1895 goto err2;
1896 }
1897 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1898 {
1899 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1900 goto err2;
1901 }
1902 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1903 {
1904 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1905 goto err2;
1906 }
1907
1908 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1909 goto err;
1910
1911 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
1912
1913 ret->extra_certs=NULL;
Kenny Rootff41a4b2014-01-07 10:19:10 -08001914 /* No compression for DTLS */
1915 if (meth->version != DTLS1_VERSION)
1916 ret->comp_methods=SSL_COMP_get_compression_methods();
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001917
Brian Carlstrom221304e2010-04-15 14:22:36 -07001918 ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
1919
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001920#ifndef OPENSSL_NO_TLSEXT
1921 ret->tlsext_servername_callback = 0;
1922 ret->tlsext_servername_arg = NULL;
1923 /* Setup RFC4507 ticket keys */
1924 if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0)
1925 || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0)
1926 || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0))
1927 ret->options |= SSL_OP_NO_TICKET;
1928
1929 ret->tlsext_status_cb = 0;
1930 ret->tlsext_status_arg = NULL;
1931
Kristian Monsenbf9ac262010-11-29 16:05:31 +00001932# ifndef OPENSSL_NO_NEXTPROTONEG
1933 ret->next_protos_advertised_cb = 0;
1934 ret->next_proto_select_cb = 0;
1935# endif
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001936#endif
Brian Carlstrom221304e2010-04-15 14:22:36 -07001937#ifndef OPENSSL_NO_PSK
1938 ret->psk_identity_hint=NULL;
1939 ret->psk_client_callback=NULL;
1940 ret->psk_server_callback=NULL;
1941#endif
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07001942#ifndef OPENSSL_NO_SRP
1943 SSL_CTX_SRP_CTX_init(ret);
1944#endif
Brian Carlstrom221304e2010-04-15 14:22:36 -07001945#ifndef OPENSSL_NO_BUF_FREELISTS
1946 ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT;
1947 ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
1948 if (!ret->rbuf_freelist)
1949 goto err;
1950 ret->rbuf_freelist->chunklen = 0;
1951 ret->rbuf_freelist->len = 0;
1952 ret->rbuf_freelist->head = NULL;
1953 ret->wbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
1954 if (!ret->wbuf_freelist)
1955 {
1956 OPENSSL_free(ret->rbuf_freelist);
1957 goto err;
1958 }
1959 ret->wbuf_freelist->chunklen = 0;
1960 ret->wbuf_freelist->len = 0;
1961 ret->wbuf_freelist->head = NULL;
1962#endif
Nagendra Modadugue45f1062009-09-30 11:36:48 -07001963#ifndef OPENSSL_NO_ENGINE
1964 ret->client_cert_engine = NULL;
1965#ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1966#define eng_strx(x) #x
1967#define eng_str(x) eng_strx(x)
1968 /* Use specific client engine automatically... ignore errors */
1969 {
1970 ENGINE *eng;
1971 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1972 if (!eng)
1973 {
1974 ERR_clear_error();
1975 ENGINE_load_builtin_engines();
1976 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
1977 }
1978 if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))
1979 ERR_clear_error();
1980 }
1981#endif
1982#endif
Brian Carlstrom98d58bb2010-03-09 09:56:55 -08001983 /* Default is to connect to non-RI servers. When RI is more widely
1984 * deployed might change this.
1985 */
1986 ret->options |= SSL_OP_LEGACY_SERVER_CONNECT;
Nagendra Modadugue45f1062009-09-30 11:36:48 -07001987
The Android Open Source Project656d9c72009-03-03 19:30:25 -08001988 return(ret);
1989err:
1990 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1991err2:
1992 if (ret != NULL) SSL_CTX_free(ret);
1993 return(NULL);
1994 }
1995
1996#if 0
1997static void SSL_COMP_free(SSL_COMP *comp)
1998 { OPENSSL_free(comp); }
1999#endif
2000
Brian Carlstrom221304e2010-04-15 14:22:36 -07002001#ifndef OPENSSL_NO_BUF_FREELISTS
2002static void
2003ssl_buf_freelist_free(SSL3_BUF_FREELIST *list)
2004 {
2005 SSL3_BUF_FREELIST_ENTRY *ent, *next;
2006 for (ent = list->head; ent; ent = next)
2007 {
2008 next = ent->next;
2009 OPENSSL_free(ent);
2010 }
2011 OPENSSL_free(list);
2012 }
2013#endif
2014
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002015void SSL_CTX_free(SSL_CTX *a)
2016 {
2017 int i;
2018
2019 if (a == NULL) return;
2020
2021 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
2022#ifdef REF_PRINT
2023 REF_PRINT("SSL_CTX",a);
2024#endif
2025 if (i > 0) return;
2026#ifdef REF_CHECK
2027 if (i < 0)
2028 {
2029 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
2030 abort(); /* ok */
2031 }
2032#endif
2033
2034 if (a->param)
2035 X509_VERIFY_PARAM_free(a->param);
2036
2037 /*
2038 * Free internal session cache. However: the remove_cb() may reference
2039 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
2040 * after the sessions were flushed.
2041 * As the ex_data handling routines might also touch the session cache,
2042 * the most secure solution seems to be: empty (flush) the cache, then
2043 * free ex_data, then finally free the cache.
2044 * (See ticket [openssl.org #212].)
2045 */
2046 if (a->sessions != NULL)
2047 SSL_CTX_flush_sessions(a,0);
2048
2049 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
2050
2051 if (a->sessions != NULL)
Brian Carlstrom221304e2010-04-15 14:22:36 -07002052 lh_SSL_SESSION_free(a->sessions);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002053
2054 if (a->cert_store != NULL)
2055 X509_STORE_free(a->cert_store);
2056 if (a->cipher_list != NULL)
2057 sk_SSL_CIPHER_free(a->cipher_list);
2058 if (a->cipher_list_by_id != NULL)
2059 sk_SSL_CIPHER_free(a->cipher_list_by_id);
2060 if (a->cert != NULL)
2061 ssl_cert_free(a->cert);
2062 if (a->client_CA != NULL)
2063 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
2064 if (a->extra_certs != NULL)
2065 sk_X509_pop_free(a->extra_certs,X509_free);
2066#if 0 /* This should never be done, since it removes a global database */
2067 if (a->comp_methods != NULL)
2068 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
2069#else
2070 a->comp_methods = NULL;
2071#endif
Brian Carlstrom221304e2010-04-15 14:22:36 -07002072
Brian Carlstromeefface2013-02-11 09:54:43 -08002073#ifndef OPENSSL_NO_SRTP
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002074 if (a->srtp_profiles)
2075 sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);
Brian Carlstromeefface2013-02-11 09:54:43 -08002076#endif
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002077
Brian Carlstrom221304e2010-04-15 14:22:36 -07002078#ifndef OPENSSL_NO_PSK
2079 if (a->psk_identity_hint)
2080 OPENSSL_free(a->psk_identity_hint);
2081#endif
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002082#ifndef OPENSSL_NO_SRP
2083 SSL_CTX_SRP_CTX_free(a);
2084#endif
Nagendra Modadugue45f1062009-09-30 11:36:48 -07002085#ifndef OPENSSL_NO_ENGINE
2086 if (a->client_cert_engine)
2087 ENGINE_finish(a->client_cert_engine);
2088#endif
Brian Carlstrom221304e2010-04-15 14:22:36 -07002089
2090#ifndef OPENSSL_NO_BUF_FREELISTS
2091 if (a->wbuf_freelist)
2092 ssl_buf_freelist_free(a->wbuf_freelist);
2093 if (a->rbuf_freelist)
2094 ssl_buf_freelist_free(a->rbuf_freelist);
2095#endif
2096
Adam Langley45bcfbc2013-01-16 13:43:53 -08002097#ifndef OPENSSL_NO_TLSEXT
2098 if (a->tlsext_channel_id_private)
2099 EVP_PKEY_free(a->tlsext_channel_id_private);
Kenny Rootee53ab12013-06-24 12:07:13 -07002100 if (a->alpn_client_proto_list != NULL)
2101 OPENSSL_free(a->alpn_client_proto_list);
Adam Langley45bcfbc2013-01-16 13:43:53 -08002102#endif
2103
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002104 OPENSSL_free(a);
2105 }
2106
2107void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
2108 {
2109 ctx->default_passwd_callback=cb;
2110 }
2111
2112void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
2113 {
2114 ctx->default_passwd_callback_userdata=u;
2115 }
2116
2117void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
2118 {
2119 ctx->app_verify_callback=cb;
2120 ctx->app_verify_arg=arg;
2121 }
2122
2123void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
2124 {
2125 ctx->verify_mode=mode;
2126 ctx->default_verify_callback=cb;
2127 }
2128
2129void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
2130 {
2131 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
2132 }
2133
Brian Carlstrom221304e2010-04-15 14:22:36 -07002134void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002135 {
2136 CERT_PKEY *cpk;
2137 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
2138 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
2139 int rsa_tmp_export,dh_tmp_export,kl;
Brian Carlstrom221304e2010-04-15 14:22:36 -07002140 unsigned long mask_k,mask_a,emask_k,emask_a;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002141 int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
2142#ifndef OPENSSL_NO_ECDH
2143 int have_ecdh_tmp;
2144#endif
2145 X509 *x = NULL;
2146 EVP_PKEY *ecc_pkey = NULL;
Brian Carlstromee7afb32011-09-06 09:58:20 -07002147 int signature_nid = 0, pk_nid = 0, md_nid = 0;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002148
2149 if (c == NULL) return;
2150
2151 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
2152
2153#ifndef OPENSSL_NO_RSA
2154 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
2155 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
2156 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
2157#else
2158 rsa_tmp=rsa_tmp_export=0;
2159#endif
2160#ifndef OPENSSL_NO_DH
2161 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
2162 dh_tmp_export=(c->dh_tmp_cb != NULL ||
2163 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
2164#else
2165 dh_tmp=dh_tmp_export=0;
2166#endif
2167
2168#ifndef OPENSSL_NO_ECDH
2169 have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
2170#endif
2171 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
2172 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
2173 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
2174 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
2175 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
2176 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
2177 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
2178 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
2179 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
2180 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
2181 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
2182/* FIX THIS EAY EAY EAY */
2183 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
2184 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
2185 cpk= &(c->pkeys[SSL_PKEY_ECC]);
2186 have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
Brian Carlstrom221304e2010-04-15 14:22:36 -07002187 mask_k=0;
2188 mask_a=0;
2189 emask_k=0;
2190 emask_a=0;
2191
2192
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002193
2194#ifdef CIPHER_DEBUG
Brian Carlstrom221304e2010-04-15 14:22:36 -07002195 printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2196 rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp,
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002197 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
2198#endif
Brian Carlstrom221304e2010-04-15 14:22:36 -07002199
2200 cpk = &(c->pkeys[SSL_PKEY_GOST01]);
2201 if (cpk->x509 != NULL && cpk->privatekey !=NULL) {
2202 mask_k |= SSL_kGOST;
2203 mask_a |= SSL_aGOST01;
2204 }
2205 cpk = &(c->pkeys[SSL_PKEY_GOST94]);
2206 if (cpk->x509 != NULL && cpk->privatekey !=NULL) {
2207 mask_k |= SSL_kGOST;
2208 mask_a |= SSL_aGOST94;
2209 }
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002210
2211 if (rsa_enc || (rsa_tmp && rsa_sign))
Brian Carlstrom221304e2010-04-15 14:22:36 -07002212 mask_k|=SSL_kRSA;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002213 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
Brian Carlstrom221304e2010-04-15 14:22:36 -07002214 emask_k|=SSL_kRSA;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002215
2216#if 0
2217 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
Brian Carlstrom221304e2010-04-15 14:22:36 -07002218 if ( (dh_tmp || dh_rsa || dh_dsa) &&
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002219 (rsa_enc || rsa_sign || dsa_sign))
Brian Carlstrom221304e2010-04-15 14:22:36 -07002220 mask_k|=SSL_kEDH;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002221 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
2222 (rsa_enc || rsa_sign || dsa_sign))
Brian Carlstrom221304e2010-04-15 14:22:36 -07002223 emask_k|=SSL_kEDH;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002224#endif
2225
Brian Carlstrom221304e2010-04-15 14:22:36 -07002226 if (dh_tmp_export)
2227 emask_k|=SSL_kEDH;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002228
2229 if (dh_tmp)
Brian Carlstrom221304e2010-04-15 14:22:36 -07002230 mask_k|=SSL_kEDH;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002231
Brian Carlstrom221304e2010-04-15 14:22:36 -07002232 if (dh_rsa) mask_k|=SSL_kDHr;
2233 if (dh_rsa_export) emask_k|=SSL_kDHr;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002234
Brian Carlstrom221304e2010-04-15 14:22:36 -07002235 if (dh_dsa) mask_k|=SSL_kDHd;
2236 if (dh_dsa_export) emask_k|=SSL_kDHd;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002237
2238 if (rsa_enc || rsa_sign)
2239 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002240 mask_a|=SSL_aRSA;
2241 emask_a|=SSL_aRSA;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002242 }
2243
2244 if (dsa_sign)
2245 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002246 mask_a|=SSL_aDSS;
2247 emask_a|=SSL_aDSS;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002248 }
2249
Brian Carlstrom221304e2010-04-15 14:22:36 -07002250 mask_a|=SSL_aNULL;
2251 emask_a|=SSL_aNULL;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002252
2253#ifndef OPENSSL_NO_KRB5
Brian Carlstrom221304e2010-04-15 14:22:36 -07002254 mask_k|=SSL_kKRB5;
2255 mask_a|=SSL_aKRB5;
2256 emask_k|=SSL_kKRB5;
2257 emask_a|=SSL_aKRB5;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002258#endif
2259
2260 /* An ECC certificate may be usable for ECDH and/or
2261 * ECDSA cipher suites depending on the key usage extension.
2262 */
2263 if (have_ecc_cert)
2264 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002265 /* This call populates extension flags (ex_flags) */
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002266 x = (c->pkeys[SSL_PKEY_ECC]).x509;
2267 X509_check_purpose(x, -1, 0);
2268 ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
2269 (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
2270 ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
2271 (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
2272 ecc_pkey = X509_get_pubkey(x);
Brian Carlstrom221304e2010-04-15 14:22:36 -07002273 ecc_pkey_size = (ecc_pkey != NULL) ?
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002274 EVP_PKEY_bits(ecc_pkey) : 0;
2275 EVP_PKEY_free(ecc_pkey);
2276 if ((x->sig_alg) && (x->sig_alg->algorithm))
Brian Carlstromee7afb32011-09-06 09:58:20 -07002277 {
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002278 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
Brian Carlstromee7afb32011-09-06 09:58:20 -07002279 OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
2280 }
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002281#ifndef OPENSSL_NO_ECDH
2282 if (ecdh_ok)
2283 {
Brian Carlstromee7afb32011-09-06 09:58:20 -07002284
2285 if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa)
Brian Carlstrom221304e2010-04-15 14:22:36 -07002286 {
2287 mask_k|=SSL_kECDHr;
2288 mask_a|=SSL_aECDH;
2289 if (ecc_pkey_size <= 163)
2290 {
2291 emask_k|=SSL_kECDHr;
2292 emask_a|=SSL_aECDH;
2293 }
2294 }
2295
Brian Carlstromee7afb32011-09-06 09:58:20 -07002296 if (pk_nid == NID_X9_62_id_ecPublicKey)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002297 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002298 mask_k|=SSL_kECDHe;
2299 mask_a|=SSL_aECDH;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002300 if (ecc_pkey_size <= 163)
Brian Carlstrom221304e2010-04-15 14:22:36 -07002301 {
2302 emask_k|=SSL_kECDHe;
2303 emask_a|=SSL_aECDH;
2304 }
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002305 }
2306 }
2307#endif
2308#ifndef OPENSSL_NO_ECDSA
2309 if (ecdsa_ok)
2310 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002311 mask_a|=SSL_aECDSA;
2312 emask_a|=SSL_aECDSA;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002313 }
2314#endif
2315 }
2316
2317#ifndef OPENSSL_NO_ECDH
2318 if (have_ecdh_tmp)
2319 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002320 mask_k|=SSL_kEECDH;
2321 emask_k|=SSL_kEECDH;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002322 }
2323#endif
Brian Carlstrom221304e2010-04-15 14:22:36 -07002324
2325#ifndef OPENSSL_NO_PSK
2326 mask_k |= SSL_kPSK;
2327 mask_a |= SSL_aPSK;
2328 emask_k |= SSL_kPSK;
2329 emask_a |= SSL_aPSK;
2330#endif
2331
2332 c->mask_k=mask_k;
2333 c->mask_a=mask_a;
2334 c->export_mask_k=emask_k;
2335 c->export_mask_a=emask_a;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002336 c->valid=1;
2337 }
2338
2339/* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2340#define ku_reject(x, usage) \
2341 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2342
Brian Carlstrom221304e2010-04-15 14:22:36 -07002343#ifndef OPENSSL_NO_EC
2344
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002345int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002346 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002347 unsigned long alg_k, alg_a;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002348 EVP_PKEY *pkey = NULL;
2349 int keysize = 0;
Brian Carlstromee7afb32011-09-06 09:58:20 -07002350 int signature_nid = 0, md_nid = 0, pk_nid = 0;
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002351 const SSL_CIPHER *cs = s->s3->tmp.new_cipher;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002352
Brian Carlstrom221304e2010-04-15 14:22:36 -07002353 alg_k = cs->algorithm_mkey;
2354 alg_a = cs->algorithm_auth;
2355
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002356 if (SSL_C_IS_EXPORT(cs))
2357 {
2358 /* ECDH key length in export ciphers must be <= 163 bits */
2359 pkey = X509_get_pubkey(x);
2360 if (pkey == NULL) return 0;
2361 keysize = EVP_PKEY_bits(pkey);
2362 EVP_PKEY_free(pkey);
2363 if (keysize > 163) return 0;
2364 }
2365
2366 /* This call populates the ex_flags field correctly */
2367 X509_check_purpose(x, -1, 0);
2368 if ((x->sig_alg) && (x->sig_alg->algorithm))
Brian Carlstromee7afb32011-09-06 09:58:20 -07002369 {
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002370 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
Brian Carlstromee7afb32011-09-06 09:58:20 -07002371 OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
2372 }
Brian Carlstrom221304e2010-04-15 14:22:36 -07002373 if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002374 {
2375 /* key usage, if present, must allow key agreement */
2376 if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
2377 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002378 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002379 return 0;
2380 }
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002381 if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002382 {
2383 /* signature alg must be ECDSA */
Brian Carlstromee7afb32011-09-06 09:58:20 -07002384 if (pk_nid != NID_X9_62_id_ecPublicKey)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002385 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002386 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002387 return 0;
2388 }
2389 }
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002390 if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002391 {
2392 /* signature alg must be RSA */
Brian Carlstrom221304e2010-04-15 14:22:36 -07002393
Brian Carlstromee7afb32011-09-06 09:58:20 -07002394 if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa)
Brian Carlstrom221304e2010-04-15 14:22:36 -07002395 {
2396 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002397 return 0;
2398 }
2399 }
Brian Carlstrom221304e2010-04-15 14:22:36 -07002400 }
2401 if (alg_a & SSL_aECDSA)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002402 {
2403 /* key usage, if present, must allow signing */
2404 if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
2405 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002406 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002407 return 0;
2408 }
2409 }
2410
2411 return 1; /* all checks are ok */
2412 }
2413
Brian Carlstrom221304e2010-04-15 14:22:36 -07002414#endif
2415
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002416/* THIS NEEDS CLEANING UP */
Brian Carlstrom04ef91b2013-02-05 09:20:38 -08002417CERT_PKEY *ssl_get_server_send_pkey(const SSL *s)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002418 {
Brian Carlstrom43c12e32010-11-16 11:19:35 -08002419 unsigned long alg_k,alg_a;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002420 CERT *c;
Brian Carlstrom43c12e32010-11-16 11:19:35 -08002421 int i;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002422
2423 c=s->cert;
2424 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
Brian Carlstrom221304e2010-04-15 14:22:36 -07002425
2426 alg_k = s->s3->tmp.new_cipher->algorithm_mkey;
2427 alg_a = s->s3->tmp.new_cipher->algorithm_auth;
2428
2429 if (alg_k & (SSL_kECDHr|SSL_kECDHe))
2430 {
2431 /* we don't need to look at SSL_kEECDH
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002432 * since no certificate is needed for
2433 * anon ECDH and for authenticated
Brian Carlstrom221304e2010-04-15 14:22:36 -07002434 * EECDH, the check for the auth
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002435 * algorithm will set i correctly
2436 * NOTE: For ECDH-RSA, we need an ECC
Brian Carlstrom221304e2010-04-15 14:22:36 -07002437 * not an RSA cert but for EECDH-RSA
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002438 * we need an RSA cert. Placing the
2439 * checks for SSL_kECDH before RSA
2440 * checks ensures the correct cert is chosen.
2441 */
2442 i=SSL_PKEY_ECC;
2443 }
Brian Carlstrom221304e2010-04-15 14:22:36 -07002444 else if (alg_a & SSL_aECDSA)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002445 {
2446 i=SSL_PKEY_ECC;
2447 }
Brian Carlstrom221304e2010-04-15 14:22:36 -07002448 else if (alg_k & SSL_kDHr)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002449 i=SSL_PKEY_DH_RSA;
Brian Carlstrom221304e2010-04-15 14:22:36 -07002450 else if (alg_k & SSL_kDHd)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002451 i=SSL_PKEY_DH_DSA;
Brian Carlstrom221304e2010-04-15 14:22:36 -07002452 else if (alg_a & SSL_aDSS)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002453 i=SSL_PKEY_DSA_SIGN;
Brian Carlstrom221304e2010-04-15 14:22:36 -07002454 else if (alg_a & SSL_aRSA)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002455 {
2456 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
2457 i=SSL_PKEY_RSA_SIGN;
2458 else
2459 i=SSL_PKEY_RSA_ENC;
2460 }
Brian Carlstrom221304e2010-04-15 14:22:36 -07002461 else if (alg_a & SSL_aKRB5)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002462 {
2463 /* VRS something else here? */
2464 return(NULL);
2465 }
Brian Carlstrom221304e2010-04-15 14:22:36 -07002466 else if (alg_a & SSL_aGOST94)
2467 i=SSL_PKEY_GOST94;
2468 else if (alg_a & SSL_aGOST01)
2469 i=SSL_PKEY_GOST01;
2470 else /* if (alg_a & SSL_aNULL) */
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002471 {
Brian Carlstrom04ef91b2013-02-05 09:20:38 -08002472 SSLerr(SSL_F_SSL_GET_SERVER_SEND_PKEY,ERR_R_INTERNAL_ERROR);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002473 return(NULL);
2474 }
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002475
Brian Carlstrom04ef91b2013-02-05 09:20:38 -08002476 return c->pkeys + i;
2477 }
2478
2479X509 *ssl_get_server_send_cert(const SSL *s)
2480 {
2481 CERT_PKEY *cpk;
2482 cpk = ssl_get_server_send_pkey(s);
2483 if (!cpk)
2484 return NULL;
2485 return cpk->x509;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002486 }
2487
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002488EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher, const EVP_MD **pmd)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002489 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002490 unsigned long alg_a;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002491 CERT *c;
2492
Brian Carlstrom221304e2010-04-15 14:22:36 -07002493 alg_a = cipher->algorithm_auth;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002494 c=s->cert;
2495
Kenny Root9296b4b2013-06-24 12:03:19 -07002496 /* SHA1 is the default for all signature algorithms up to TLS 1.2,
2497 * except RSA which is handled specially in s3_srvr.c */
2498 if (pmd)
2499 *pmd = EVP_sha1();
2500
Brian Carlstrom221304e2010-04-15 14:22:36 -07002501 if ((alg_a & SSL_aDSS) &&
Kenny Root9296b4b2013-06-24 12:03:19 -07002502 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
2503 {
2504 if (pmd && s->s3 && s->s3->digest_dsa)
2505 *pmd = s->s3->digest_dsa;
2506 return c->pkeys[SSL_PKEY_DSA_SIGN].privatekey;
2507 }
Brian Carlstrom221304e2010-04-15 14:22:36 -07002508 else if (alg_a & SSL_aRSA)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002509 {
Kenny Root9296b4b2013-06-24 12:03:19 -07002510 if (pmd && s->s3 && s->s3->digest_rsa)
2511 *pmd = s->s3->digest_rsa;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002512 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
Kenny Root9296b4b2013-06-24 12:03:19 -07002513 return c->pkeys[SSL_PKEY_RSA_SIGN].privatekey;
2514 if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
2515 return c->pkeys[SSL_PKEY_RSA_ENC].privatekey;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002516 }
Brian Carlstrom221304e2010-04-15 14:22:36 -07002517 else if ((alg_a & SSL_aECDSA) &&
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002518 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002519 {
Kenny Root9296b4b2013-06-24 12:03:19 -07002520 if (pmd && s->s3 && s->s3->digest_ecdsa)
2521 *pmd = s->s3->digest_ecdsa;
2522 return c->pkeys[SSL_PKEY_ECC].privatekey;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002523 }
Kenny Root9296b4b2013-06-24 12:03:19 -07002524
2525 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
2526 return(NULL);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002527 }
2528
2529void ssl_update_cache(SSL *s,int mode)
2530 {
2531 int i;
2532
2533 /* If the session_id_length is 0, we are not supposed to cache it,
2534 * and it would be rather hard to do anyway :-) */
2535 if (s->session->session_id_length == 0) return;
2536
Brian Carlstrom221304e2010-04-15 14:22:36 -07002537 i=s->session_ctx->session_cache_mode;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002538 if ((i & mode) && (!s->hit)
2539 && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
Brian Carlstrom221304e2010-04-15 14:22:36 -07002540 || SSL_CTX_add_session(s->session_ctx,s->session))
2541 && (s->session_ctx->new_session_cb != NULL))
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002542 {
2543 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
Brian Carlstrom221304e2010-04-15 14:22:36 -07002544 if (!s->session_ctx->new_session_cb(s,s->session))
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002545 SSL_SESSION_free(s->session);
2546 }
2547
2548 /* auto flush every 255 connections */
2549 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
2550 ((i & mode) == mode))
2551 {
2552 if ( (((mode & SSL_SESS_CACHE_CLIENT)
Brian Carlstrom221304e2010-04-15 14:22:36 -07002553 ?s->session_ctx->stats.sess_connect_good
2554 :s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002555 {
Brian Carlstrom221304e2010-04-15 14:22:36 -07002556 SSL_CTX_flush_sessions(s->session_ctx,(unsigned long)time(NULL));
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002557 }
2558 }
2559 }
2560
Brian Carlstrom221304e2010-04-15 14:22:36 -07002561const SSL_METHOD *SSL_get_ssl_method(SSL *s)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002562 {
2563 return(s->method);
2564 }
2565
Brian Carlstrom221304e2010-04-15 14:22:36 -07002566int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002567 {
2568 int conn= -1;
2569 int ret=1;
2570
2571 if (s->method != meth)
2572 {
2573 if (s->handshake_func != NULL)
2574 conn=(s->handshake_func == s->method->ssl_connect);
2575
2576 if (s->method->version == meth->version)
2577 s->method=meth;
2578 else
2579 {
2580 s->method->ssl_free(s);
2581 s->method=meth;
2582 ret=s->method->ssl_new(s);
2583 }
2584
2585 if (conn == 1)
2586 s->handshake_func=meth->ssl_connect;
2587 else if (conn == 0)
2588 s->handshake_func=meth->ssl_accept;
2589 }
2590 return(ret);
2591 }
2592
2593int SSL_get_error(const SSL *s,int i)
2594 {
2595 int reason;
2596 unsigned long l;
2597 BIO *bio;
2598
2599 if (i > 0) return(SSL_ERROR_NONE);
2600
2601 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
2602 * etc, where we do encode the error */
2603 if ((l=ERR_peek_error()) != 0)
2604 {
2605 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
2606 return(SSL_ERROR_SYSCALL);
2607 else
2608 return(SSL_ERROR_SSL);
2609 }
2610
2611 if ((i < 0) && SSL_want_read(s))
2612 {
2613 bio=SSL_get_rbio(s);
2614 if (BIO_should_read(bio))
2615 return(SSL_ERROR_WANT_READ);
2616 else if (BIO_should_write(bio))
2617 /* This one doesn't make too much sense ... We never try
2618 * to write to the rbio, and an application program where
2619 * rbio and wbio are separate couldn't even know what it
2620 * should wait for.
2621 * However if we ever set s->rwstate incorrectly
2622 * (so that we have SSL_want_read(s) instead of
2623 * SSL_want_write(s)) and rbio and wbio *are* the same,
2624 * this test works around that bug; so it might be safer
2625 * to keep it. */
2626 return(SSL_ERROR_WANT_WRITE);
2627 else if (BIO_should_io_special(bio))
2628 {
2629 reason=BIO_get_retry_reason(bio);
2630 if (reason == BIO_RR_CONNECT)
2631 return(SSL_ERROR_WANT_CONNECT);
2632 else if (reason == BIO_RR_ACCEPT)
2633 return(SSL_ERROR_WANT_ACCEPT);
2634 else
2635 return(SSL_ERROR_SYSCALL); /* unknown */
2636 }
2637 }
2638
2639 if ((i < 0) && SSL_want_write(s))
2640 {
2641 bio=SSL_get_wbio(s);
2642 if (BIO_should_write(bio))
2643 return(SSL_ERROR_WANT_WRITE);
2644 else if (BIO_should_read(bio))
2645 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
2646 return(SSL_ERROR_WANT_READ);
2647 else if (BIO_should_io_special(bio))
2648 {
2649 reason=BIO_get_retry_reason(bio);
2650 if (reason == BIO_RR_CONNECT)
2651 return(SSL_ERROR_WANT_CONNECT);
2652 else if (reason == BIO_RR_ACCEPT)
2653 return(SSL_ERROR_WANT_ACCEPT);
2654 else
2655 return(SSL_ERROR_SYSCALL);
2656 }
2657 }
2658 if ((i < 0) && SSL_want_x509_lookup(s))
2659 {
2660 return(SSL_ERROR_WANT_X509_LOOKUP);
2661 }
2662
2663 if (i == 0)
2664 {
2665 if (s->version == SSL2_VERSION)
2666 {
2667 /* assume it is the socket being closed */
2668 return(SSL_ERROR_ZERO_RETURN);
2669 }
2670 else
2671 {
2672 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
2673 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
2674 return(SSL_ERROR_ZERO_RETURN);
2675 }
2676 }
2677 return(SSL_ERROR_SYSCALL);
2678 }
2679
2680int SSL_do_handshake(SSL *s)
2681 {
2682 int ret=1;
2683
2684 if (s->handshake_func == NULL)
2685 {
2686 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
2687 return(-1);
2688 }
2689
2690 s->method->ssl_renegotiate_check(s);
2691
2692 if (SSL_in_init(s) || SSL_in_before(s))
2693 {
2694 ret=s->handshake_func(s);
2695 }
2696 return(ret);
2697 }
2698
2699/* For the next 2 functions, SSL_clear() sets shutdown and so
2700 * one of these calls will reset it */
2701void SSL_set_accept_state(SSL *s)
2702 {
2703 s->server=1;
2704 s->shutdown=0;
2705 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
2706 s->handshake_func=s->method->ssl_accept;
2707 /* clear the current cipher */
2708 ssl_clear_cipher_ctx(s);
Brian Carlstrom221304e2010-04-15 14:22:36 -07002709 ssl_clear_hash_ctx(&s->read_hash);
2710 ssl_clear_hash_ctx(&s->write_hash);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002711 }
2712
2713void SSL_set_connect_state(SSL *s)
2714 {
2715 s->server=0;
2716 s->shutdown=0;
2717 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
2718 s->handshake_func=s->method->ssl_connect;
2719 /* clear the current cipher */
2720 ssl_clear_cipher_ctx(s);
Brian Carlstrom221304e2010-04-15 14:22:36 -07002721 ssl_clear_hash_ctx(&s->read_hash);
2722 ssl_clear_hash_ctx(&s->write_hash);
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002723 }
2724
2725int ssl_undefined_function(SSL *s)
2726 {
2727 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2728 return(0);
2729 }
2730
2731int ssl_undefined_void_function(void)
2732 {
2733 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2734 return(0);
2735 }
2736
2737int ssl_undefined_const_function(const SSL *s)
2738 {
2739 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2740 return(0);
2741 }
2742
2743SSL_METHOD *ssl_bad_method(int ver)
2744 {
2745 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2746 return(NULL);
2747 }
2748
Brian Carlstrom8be882e2010-11-03 21:03:12 -07002749static const char *ssl_get_version(int version)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002750 {
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002751 if (version == TLS1_2_VERSION)
2752 return("TLSv1.2");
2753 else if (version == TLS1_1_VERSION)
2754 return("TLSv1.1");
Brian Carlstrom04ef91b2013-02-05 09:20:38 -08002755 else if (version == TLS1_VERSION)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002756 return("TLSv1");
Brian Carlstromd524efd2010-11-02 22:07:43 -07002757 else if (version == SSL3_VERSION)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002758 return("SSLv3");
Brian Carlstromd524efd2010-11-02 22:07:43 -07002759 else if (version == SSL2_VERSION)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002760 return("SSLv2");
2761 else
2762 return("unknown");
2763 }
2764
Brian Carlstromd524efd2010-11-02 22:07:43 -07002765const char *SSL_get_version(const SSL *s)
2766 {
2767 return ssl_get_version(s->version);
2768 }
2769
2770const char *SSL_SESSION_get_version(const SSL_SESSION *s)
2771 {
2772 return ssl_get_version(s->ssl_version);
2773 }
2774
2775const char* SSL_authentication_method(const SSL* ssl)
2776 {
Brian Carlstromc1fd76c2010-11-28 23:44:21 -08002777 if (ssl->cert != NULL && ssl->cert->rsa_tmp != NULL)
2778 return SSL_TXT_RSA "_" SSL_TXT_EXPORT;
Brian Carlstromd524efd2010-11-02 22:07:43 -07002779 switch (ssl->version)
2780 {
2781 case SSL2_VERSION:
2782 return SSL_TXT_RSA;
Brian Carlstromd524efd2010-11-02 22:07:43 -07002783 default:
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002784 return SSL_CIPHER_authentication_method(ssl->s3->tmp.new_cipher);
Brian Carlstromd524efd2010-11-02 22:07:43 -07002785 }
2786 }
2787
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002788SSL *SSL_dup(SSL *s)
2789 {
2790 STACK_OF(X509_NAME) *sk;
2791 X509_NAME *xn;
2792 SSL *ret;
2793 int i;
Brian Carlstrom221304e2010-04-15 14:22:36 -07002794
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002795 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2796 return(NULL);
2797
2798 ret->version = s->version;
2799 ret->type = s->type;
2800 ret->method = s->method;
2801
2802 if (s->session != NULL)
2803 {
2804 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2805 SSL_copy_session_id(ret,s);
2806 }
2807 else
2808 {
2809 /* No session has been established yet, so we have to expect
2810 * that s->cert or ret->cert will be changed later --
2811 * they should not both point to the same object,
2812 * and thus we can't use SSL_copy_session_id. */
2813
2814 ret->method->ssl_free(ret);
2815 ret->method = s->method;
2816 ret->method->ssl_new(ret);
2817
2818 if (s->cert != NULL)
2819 {
2820 if (ret->cert != NULL)
2821 {
2822 ssl_cert_free(ret->cert);
2823 }
2824 ret->cert = ssl_cert_dup(s->cert);
2825 if (ret->cert == NULL)
2826 goto err;
2827 }
2828
2829 SSL_set_session_id_context(ret,
2830 s->sid_ctx, s->sid_ctx_length);
2831 }
2832
2833 ret->options=s->options;
2834 ret->mode=s->mode;
2835 SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
2836 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
2837 ret->msg_callback = s->msg_callback;
2838 ret->msg_callback_arg = s->msg_callback_arg;
2839 SSL_set_verify(ret,SSL_get_verify_mode(s),
2840 SSL_get_verify_callback(s));
2841 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
2842 ret->generate_session_id = s->generate_session_id;
2843
2844 SSL_set_info_callback(ret,SSL_get_info_callback(s));
2845
2846 ret->debug=s->debug;
2847
2848 /* copy app data, a little dangerous perhaps */
2849 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
2850 goto err;
2851
2852 /* setup rbio, and wbio */
2853 if (s->rbio != NULL)
2854 {
2855 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
2856 goto err;
2857 }
2858 if (s->wbio != NULL)
2859 {
2860 if (s->wbio != s->rbio)
2861 {
2862 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
2863 goto err;
2864 }
2865 else
2866 ret->wbio=ret->rbio;
2867 }
2868 ret->rwstate = s->rwstate;
2869 ret->in_handshake = s->in_handshake;
2870 ret->handshake_func = s->handshake_func;
2871 ret->server = s->server;
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07002872 ret->renegotiate = s->renegotiate;
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002873 ret->new_session = s->new_session;
2874 ret->quiet_shutdown = s->quiet_shutdown;
2875 ret->shutdown=s->shutdown;
2876 ret->state=s->state; /* SSL_dup does not really work at any state, though */
2877 ret->rstate=s->rstate;
2878 ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2879 ret->hit=s->hit;
2880
2881 X509_VERIFY_PARAM_inherit(ret->param, s->param);
2882
2883 /* dup the cipher_list and cipher_list_by_id stacks */
2884 if (s->cipher_list != NULL)
2885 {
2886 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2887 goto err;
2888 }
2889 if (s->cipher_list_by_id != NULL)
2890 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
2891 == NULL)
2892 goto err;
2893
2894 /* Dup the client_CA list */
2895 if (s->client_CA != NULL)
2896 {
2897 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
2898 ret->client_CA=sk;
2899 for (i=0; i<sk_X509_NAME_num(sk); i++)
2900 {
2901 xn=sk_X509_NAME_value(sk,i);
2902 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
2903 {
2904 X509_NAME_free(xn);
2905 goto err;
2906 }
2907 }
2908 }
2909
2910 if (0)
2911 {
2912err:
2913 if (ret != NULL) SSL_free(ret);
2914 ret=NULL;
2915 }
2916 return(ret);
2917 }
2918
2919void ssl_clear_cipher_ctx(SSL *s)
2920 {
2921 if (s->enc_read_ctx != NULL)
2922 {
2923 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
2924 OPENSSL_free(s->enc_read_ctx);
2925 s->enc_read_ctx=NULL;
2926 }
2927 if (s->enc_write_ctx != NULL)
2928 {
2929 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
2930 OPENSSL_free(s->enc_write_ctx);
2931 s->enc_write_ctx=NULL;
2932 }
2933#ifndef OPENSSL_NO_COMP
2934 if (s->expand != NULL)
2935 {
2936 COMP_CTX_free(s->expand);
2937 s->expand=NULL;
2938 }
2939 if (s->compress != NULL)
2940 {
2941 COMP_CTX_free(s->compress);
2942 s->compress=NULL;
2943 }
2944#endif
2945 }
2946
2947/* Fix this function so that it takes an optional type parameter */
2948X509 *SSL_get_certificate(const SSL *s)
2949 {
Kenny Rootff41a4b2014-01-07 10:19:10 -08002950 if (s->cert != NULL)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002951 return(s->cert->key->x509);
2952 else
2953 return(NULL);
2954 }
2955
2956/* Fix this function so that it takes an optional type parameter */
2957EVP_PKEY *SSL_get_privatekey(SSL *s)
2958 {
2959 if (s->cert != NULL)
2960 return(s->cert->key->privatekey);
2961 else
2962 return(NULL);
2963 }
2964
Brian Carlstrom221304e2010-04-15 14:22:36 -07002965const SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08002966 {
2967 if ((s->session != NULL) && (s->session->cipher != NULL))
2968 return(s->session->cipher);
2969 return(NULL);
2970 }
2971#ifdef OPENSSL_NO_COMP
2972const void *SSL_get_current_compression(SSL *s)
2973 {
2974 return NULL;
2975 }
2976const void *SSL_get_current_expansion(SSL *s)
2977 {
2978 return NULL;
2979 }
2980#else
2981
2982const COMP_METHOD *SSL_get_current_compression(SSL *s)
2983 {
2984 if (s->compress != NULL)
2985 return(s->compress->meth);
2986 return(NULL);
2987 }
2988
2989const COMP_METHOD *SSL_get_current_expansion(SSL *s)
2990 {
2991 if (s->expand != NULL)
2992 return(s->expand->meth);
2993 return(NULL);
2994 }
2995#endif
2996
2997int ssl_init_wbio_buffer(SSL *s,int push)
2998 {
2999 BIO *bbio;
3000
3001 if (s->bbio == NULL)
3002 {
3003 bbio=BIO_new(BIO_f_buffer());
3004 if (bbio == NULL) return(0);
3005 s->bbio=bbio;
3006 }
3007 else
3008 {
3009 bbio=s->bbio;
3010 if (s->bbio == s->wbio)
3011 s->wbio=BIO_pop(s->wbio);
3012 }
3013 (void)BIO_reset(bbio);
3014/* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
3015 if (!BIO_set_read_buffer_size(bbio,1))
3016 {
3017 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
3018 return(0);
3019 }
3020 if (push)
3021 {
3022 if (s->wbio != bbio)
3023 s->wbio=BIO_push(bbio,s->wbio);
3024 }
3025 else
3026 {
3027 if (s->wbio == bbio)
3028 s->wbio=BIO_pop(bbio);
3029 }
3030 return(1);
3031 }
3032
3033void ssl_free_wbio_buffer(SSL *s)
3034 {
3035 if (s->bbio == NULL) return;
3036
3037 if (s->bbio == s->wbio)
3038 {
3039 /* remove buffering */
3040 s->wbio=BIO_pop(s->wbio);
3041#ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
3042 assert(s->wbio != NULL);
Brian Carlstrom221304e2010-04-15 14:22:36 -07003043#endif
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003044 }
3045 BIO_free(s->bbio);
3046 s->bbio=NULL;
3047 }
3048
3049void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
3050 {
3051 ctx->quiet_shutdown=mode;
3052 }
3053
3054int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
3055 {
3056 return(ctx->quiet_shutdown);
3057 }
3058
3059void SSL_set_quiet_shutdown(SSL *s,int mode)
3060 {
3061 s->quiet_shutdown=mode;
3062 }
3063
3064int SSL_get_quiet_shutdown(const SSL *s)
3065 {
3066 return(s->quiet_shutdown);
3067 }
3068
3069void SSL_set_shutdown(SSL *s,int mode)
3070 {
3071 s->shutdown=mode;
3072 }
3073
3074int SSL_get_shutdown(const SSL *s)
3075 {
3076 return(s->shutdown);
3077 }
3078
3079int SSL_version(const SSL *s)
3080 {
3081 return(s->version);
3082 }
3083
3084SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
3085 {
3086 return(ssl->ctx);
3087 }
3088
3089SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
3090 {
3091 if (ssl->ctx == ctx)
3092 return ssl->ctx;
3093#ifndef OPENSSL_NO_TLSEXT
3094 if (ctx == NULL)
3095 ctx = ssl->initial_ctx;
3096#endif
3097 if (ssl->cert != NULL)
3098 ssl_cert_free(ssl->cert);
3099 ssl->cert = ssl_cert_dup(ctx->cert);
3100 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
3101 if (ssl->ctx != NULL)
3102 SSL_CTX_free(ssl->ctx); /* decrement reference count */
3103 ssl->ctx = ctx;
3104 return(ssl->ctx);
3105 }
3106
3107#ifndef OPENSSL_NO_STDIO
3108int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
3109 {
3110 return(X509_STORE_set_default_paths(ctx->cert_store));
3111 }
3112
3113int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
3114 const char *CApath)
3115 {
3116 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
3117 }
3118#endif
3119
3120void SSL_set_info_callback(SSL *ssl,
3121 void (*cb)(const SSL *ssl,int type,int val))
3122 {
3123 ssl->info_callback=cb;
3124 }
3125
3126/* One compiler (Diab DCC) doesn't like argument names in returned
3127 function pointer. */
Brian Carlstrom221304e2010-04-15 14:22:36 -07003128void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003129 {
3130 return ssl->info_callback;
3131 }
3132
3133int SSL_state(const SSL *ssl)
3134 {
3135 return(ssl->state);
3136 }
3137
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07003138void SSL_set_state(SSL *ssl, int state)
3139 {
3140 ssl->state = state;
3141 }
3142
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003143void SSL_set_verify_result(SSL *ssl,long arg)
3144 {
3145 ssl->verify_result=arg;
3146 }
3147
3148long SSL_get_verify_result(const SSL *ssl)
3149 {
3150 return(ssl->verify_result);
3151 }
3152
3153int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
3154 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
3155 {
3156 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
3157 new_func, dup_func, free_func);
3158 }
3159
3160int SSL_set_ex_data(SSL *s,int idx,void *arg)
3161 {
3162 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
3163 }
3164
3165void *SSL_get_ex_data(const SSL *s,int idx)
3166 {
3167 return(CRYPTO_get_ex_data(&s->ex_data,idx));
3168 }
3169
3170int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
3171 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
3172 {
3173 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
3174 new_func, dup_func, free_func);
3175 }
3176
3177int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
3178 {
3179 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
3180 }
3181
3182void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx)
3183 {
3184 return(CRYPTO_get_ex_data(&s->ex_data,idx));
3185 }
3186
3187int ssl_ok(SSL *s)
3188 {
3189 return(1);
3190 }
3191
3192X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
3193 {
3194 return(ctx->cert_store);
3195 }
3196
3197void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
3198 {
3199 if (ctx->cert_store != NULL)
3200 X509_STORE_free(ctx->cert_store);
3201 ctx->cert_store=store;
3202 }
3203
3204int SSL_want(const SSL *s)
3205 {
3206 return(s->rwstate);
3207 }
3208
3209/*!
3210 * \brief Set the callback for generating temporary RSA keys.
3211 * \param ctx the SSL context.
3212 * \param cb the callback
3213 */
3214
3215#ifndef OPENSSL_NO_RSA
3216void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
3217 int is_export,
3218 int keylength))
3219 {
3220 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
3221 }
3222
3223void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
3224 int is_export,
3225 int keylength))
3226 {
3227 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
3228 }
3229#endif
3230
3231#ifdef DOXYGEN
3232/*!
3233 * \brief The RSA temporary key callback function.
3234 * \param ssl the SSL session.
3235 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3236 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3237 * of the required key in bits.
3238 * \return the temporary RSA key.
3239 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3240 */
3241
3242RSA *cb(SSL *ssl,int is_export,int keylength)
3243 {}
3244#endif
3245
3246/*!
3247 * \brief Set the callback for generating temporary DH keys.
3248 * \param ctx the SSL context.
3249 * \param dh the callback
3250 */
3251
3252#ifndef OPENSSL_NO_DH
3253void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
Brian Carlstrom221304e2010-04-15 14:22:36 -07003254 int keylength))
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003255 {
3256 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
3257 }
3258
3259void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
Brian Carlstrom221304e2010-04-15 14:22:36 -07003260 int keylength))
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003261 {
3262 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
3263 }
3264#endif
3265
3266#ifndef OPENSSL_NO_ECDH
3267void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
Brian Carlstrom221304e2010-04-15 14:22:36 -07003268 int keylength))
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003269 {
3270 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
3271 }
3272
3273void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
Brian Carlstrom221304e2010-04-15 14:22:36 -07003274 int keylength))
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003275 {
3276 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
3277 }
3278#endif
3279
Brian Carlstrom221304e2010-04-15 14:22:36 -07003280#ifndef OPENSSL_NO_PSK
3281int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint)
3282 {
3283 if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
3284 {
3285 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
3286 return 0;
3287 }
3288 if (ctx->psk_identity_hint != NULL)
3289 OPENSSL_free(ctx->psk_identity_hint);
3290 if (identity_hint != NULL)
3291 {
3292 ctx->psk_identity_hint = BUF_strdup(identity_hint);
3293 if (ctx->psk_identity_hint == NULL)
3294 return 0;
3295 }
3296 else
3297 ctx->psk_identity_hint = NULL;
3298 return 1;
3299 }
3300
3301int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint)
3302 {
3303 if (s == NULL)
3304 return 0;
3305
3306 if (s->session == NULL)
3307 return 1; /* session not created yet, ignored */
3308
3309 if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
3310 {
3311 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
3312 return 0;
3313 }
3314 if (s->session->psk_identity_hint != NULL)
3315 OPENSSL_free(s->session->psk_identity_hint);
3316 if (identity_hint != NULL)
3317 {
3318 s->session->psk_identity_hint = BUF_strdup(identity_hint);
3319 if (s->session->psk_identity_hint == NULL)
3320 return 0;
3321 }
3322 else
3323 s->session->psk_identity_hint = NULL;
3324 return 1;
3325 }
3326
3327const char *SSL_get_psk_identity_hint(const SSL *s)
3328 {
3329 if (s == NULL || s->session == NULL)
3330 return NULL;
3331 return(s->session->psk_identity_hint);
3332 }
3333
3334const char *SSL_get_psk_identity(const SSL *s)
3335 {
3336 if (s == NULL || s->session == NULL)
3337 return NULL;
3338 return(s->session->psk_identity);
3339 }
3340
3341void SSL_set_psk_client_callback(SSL *s,
3342 unsigned int (*cb)(SSL *ssl, const char *hint,
3343 char *identity, unsigned int max_identity_len, unsigned char *psk,
3344 unsigned int max_psk_len))
3345 {
3346 s->psk_client_callback = cb;
3347 }
3348
3349void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx,
3350 unsigned int (*cb)(SSL *ssl, const char *hint,
3351 char *identity, unsigned int max_identity_len, unsigned char *psk,
3352 unsigned int max_psk_len))
3353 {
3354 ctx->psk_client_callback = cb;
3355 }
3356
3357void SSL_set_psk_server_callback(SSL *s,
3358 unsigned int (*cb)(SSL *ssl, const char *identity,
3359 unsigned char *psk, unsigned int max_psk_len))
3360 {
3361 s->psk_server_callback = cb;
3362 }
3363
3364void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx,
3365 unsigned int (*cb)(SSL *ssl, const char *identity,
3366 unsigned char *psk, unsigned int max_psk_len))
3367 {
3368 ctx->psk_server_callback = cb;
3369 }
3370#endif
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003371
3372void 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))
3373 {
3374 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
3375 }
3376void 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))
3377 {
3378 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
3379 }
3380
Huahui Wuef1d1812010-04-22 13:40:56 -04003381int SSL_cutthrough_complete(const SSL *s)
3382 {
3383 return (!s->server && /* cutthrough only applies to clients */
3384 !s->hit && /* full-handshake */
3385 s->version >= SSL3_VERSION &&
3386 s->s3->in_read_app_data == 0 && /* cutthrough only applies to write() */
3387 (SSL_get_mode((SSL*)s) & SSL_MODE_HANDSHAKE_CUTTHROUGH) && /* cutthrough enabled */
Huahui Wu35ae9492010-04-20 16:55:40 -04003388 SSL_get_cipher_bits(s, NULL) >= 128 && /* strong cipher choosen */
Brian Carlstromd635a5e2010-08-31 09:09:59 -07003389 s->s3->previous_server_finished_len == 0 && /* not a renegotiation handshake */
Huahui Wu35ae9492010-04-20 16:55:40 -04003390 (s->state == SSL3_ST_CR_SESSION_TICKET_A || /* ready to write app-data*/
3391 s->state == SSL3_ST_CR_FINISHED_A));
Huahui Wuef1d1812010-04-22 13:40:56 -04003392 }
3393
Brian Carlstrom221304e2010-04-15 14:22:36 -07003394/* Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3395 * vairable, freeing EVP_MD_CTX previously stored in that variable, if
3396 * any. If EVP_MD pointer is passed, initializes ctx with this md
3397 * Returns newly allocated ctx;
3398 */
Brian Carlstrom7f9d8bc2010-04-13 15:51:25 -07003399
Brian Carlstrom221304e2010-04-15 14:22:36 -07003400EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md)
3401{
3402 ssl_clear_hash_ctx(hash);
3403 *hash = EVP_MD_CTX_create();
3404 if (md) EVP_DigestInit_ex(*hash,md,NULL);
3405 return *hash;
3406}
3407void ssl_clear_hash_ctx(EVP_MD_CTX **hash)
3408{
3409
3410 if (*hash) EVP_MD_CTX_destroy(*hash);
3411 *hash=NULL;
3412}
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003413
Brian Carlstrom392aa7c2012-03-15 16:03:43 -07003414void SSL_set_debug(SSL *s, int debug)
3415 {
3416 s->debug = debug;
3417 }
3418
3419int SSL_cache_hit(SSL *s)
3420 {
3421 return s->hit;
3422 }
3423
The Android Open Source Project656d9c72009-03-03 19:30:25 -08003424#if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
3425#include "../crypto/bio/bss_file.c"
3426#endif
3427
3428IMPLEMENT_STACK_OF(SSL_CIPHER)
3429IMPLEMENT_STACK_OF(SSL_COMP)
Brian Carlstrom221304e2010-04-15 14:22:36 -07003430IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
3431 ssl_cipher_id);