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4f43d0e7 BL |
1 | /*! \file ssl/ssl_lib.c |
2 | * \brief Version independent SSL functions. | |
3 | */ | |
58964a49 | 4 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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 | */ | |
bf21446a | 60 | /* ==================================================================== |
52b8dad8 | 61 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
bf21446a BM |
62 | * |
63 | * Redistribution and use in source and binary forms, with or without | |
64 | * modification, are permitted provided that the following conditions | |
65 | * are met: | |
66 | * | |
67 | * 1. Redistributions of source code must retain the above copyright | |
68 | * notice, this list of conditions and the following disclaimer. | |
69 | * | |
70 | * 2. Redistributions in binary form must reproduce the above copyright | |
71 | * notice, this list of conditions and the following disclaimer in | |
72 | * the documentation and/or other materials provided with the | |
73 | * distribution. | |
74 | * | |
75 | * 3. All advertising materials mentioning features or use of this | |
76 | * software must display the following acknowledgment: | |
77 | * "This product includes software developed by the OpenSSL Project | |
78 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
79 | * | |
80 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
81 | * endorse or promote products derived from this software without | |
82 | * prior written permission. For written permission, please contact | |
83 | * openssl-core@openssl.org. | |
84 | * | |
85 | * 5. Products derived from this software may not be called "OpenSSL" | |
86 | * nor may "OpenSSL" appear in their names without prior written | |
87 | * permission of the OpenSSL Project. | |
88 | * | |
89 | * 6. Redistributions of any form whatsoever must retain the following | |
90 | * acknowledgment: | |
91 | * "This product includes software developed by the OpenSSL Project | |
92 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
93 | * | |
94 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
95 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
96 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
97 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
98 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
99 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
100 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
101 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
102 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
103 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
104 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
105 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
106 | * ==================================================================== | |
107 | * | |
108 | * This product includes cryptographic software written by Eric Young | |
109 | * (eay@cryptsoft.com). This product includes software written by Tim | |
110 | * Hudson (tjh@cryptsoft.com). | |
111 | * | |
112 | */ | |
ea262260 BM |
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 | */ | |
ddac1974 NL |
118 | /* ==================================================================== |
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 | */ | |
bbb8de09 | 144 | |
027e257b BM |
145 | #ifdef REF_CHECK |
146 | # include <assert.h> | |
147 | #endif | |
d02b48c6 | 148 | #include <stdio.h> |
a3654f05 | 149 | #include <openssl/crypto.h> |
7b63c0fa LJ |
150 | #include "ssl_locl.h" |
151 | #include "kssl_lcl.h" | |
ec577822 BM |
152 | #include <openssl/objects.h> |
153 | #include <openssl/lhash.h> | |
bb7cd4e3 | 154 | #include <openssl/x509v3.h> |
6434abbf | 155 | #include <openssl/rand.h> |
67c8e7f4 | 156 | #include <openssl/ocsp.h> |
3eeaab4b | 157 | #ifndef OPENSSL_NO_DH |
60a938c6 | 158 | #include <openssl/dh.h> |
3eeaab4b | 159 | #endif |
bdfe932d DSH |
160 | #ifndef OPENSSL_NO_ENGINE |
161 | #include <openssl/engine.h> | |
162 | #endif | |
d02b48c6 | 163 | |
9d1a01be | 164 | const char *SSL_version_str=OPENSSL_VERSION_TEXT; |
58964a49 | 165 | |
3ed449e9 | 166 | SSL3_ENC_METHOD ssl3_undef_enc_method={ |
dd9d233e | 167 | /* evil casts, but these functions are only called if there's a library bug */ |
245206ea BM |
168 | (int (*)(SSL *,int))ssl_undefined_function, |
169 | (int (*)(SSL *, unsigned char *, int))ssl_undefined_function, | |
58964a49 | 170 | ssl_undefined_function, |
245206ea BM |
171 | (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function, |
172 | (int (*)(SSL*, int))ssl_undefined_function, | |
81025661 | 173 | (int (*)(SSL *, const char*, int, unsigned char *))ssl_undefined_function, |
8215e7a9 | 174 | 0, /* finish_mac_length */ |
8164032a | 175 | (int (*)(SSL *, int, unsigned char *))ssl_undefined_function, |
8215e7a9 NL |
176 | NULL, /* client_finished_label */ |
177 | 0, /* client_finished_label_len */ | |
178 | NULL, /* server_finished_label */ | |
179 | 0, /* server_finished_label_len */ | |
180 | (int (*)(int))ssl_undefined_function | |
58964a49 | 181 | }; |
d02b48c6 | 182 | |
4f43d0e7 | 183 | int SSL_clear(SSL *s) |
d02b48c6 | 184 | { |
d02b48c6 | 185 | |
413c4f45 MC |
186 | if (s->method == NULL) |
187 | { | |
188 | SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED); | |
189 | return(0); | |
190 | } | |
d02b48c6 | 191 | |
d62bfb39 LJ |
192 | if (ssl_clear_bad_session(s)) |
193 | { | |
194 | SSL_SESSION_free(s->session); | |
195 | s->session=NULL; | |
196 | } | |
197 | ||
d02b48c6 RE |
198 | s->error=0; |
199 | s->hit=0; | |
413c4f45 | 200 | s->shutdown=0; |
d02b48c6 | 201 | |
a2a01589 BM |
202 | #if 0 /* Disabled since version 1.10 of this file (early return not |
203 | * needed because SSL_clear is not called when doing renegotiation) */ | |
d02b48c6 RE |
204 | /* This is set if we are doing dynamic renegotiation so keep |
205 | * the old cipher. It is sort of a SSL_clear_lite :-) */ | |
44959ee4 | 206 | if (s->renegotiate) return(1); |
a2a01589 | 207 | #else |
44959ee4 | 208 | if (s->renegotiate) |
a2a01589 | 209 | { |
5277d7cb | 210 | SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR); |
a2a01589 BM |
211 | return 0; |
212 | } | |
413c4f45 | 213 | #endif |
d02b48c6 | 214 | |
d02b48c6 RE |
215 | s->type=0; |
216 | ||
413c4f45 MC |
217 | s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT); |
218 | ||
d02b48c6 | 219 | s->version=s->method->version; |
413c4f45 | 220 | s->client_version=s->version; |
d02b48c6 | 221 | s->rwstate=SSL_NOTHING; |
d02b48c6 | 222 | s->rstate=SSL_ST_READ_HEADER; |
544ebbce | 223 | #if 0 |
413c4f45 | 224 | s->read_ahead=s->ctx->read_ahead; |
544ebbce | 225 | #endif |
d02b48c6 RE |
226 | |
227 | if (s->init_buf != NULL) | |
228 | { | |
229 | BUF_MEM_free(s->init_buf); | |
230 | s->init_buf=NULL; | |
231 | } | |
232 | ||
233 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
234 | ssl_clear_hash_ctx(&s->read_hash); |
235 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 | 236 | |
d02b48c6 RE |
237 | s->first_packet=0; |
238 | ||
413c4f45 MC |
239 | #if 1 |
240 | /* Check to see if we were changed into a different method, if | |
241 | * so, revert back if we are not doing session-id reuse. */ | |
979689aa | 242 | if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method)) |
413c4f45 MC |
243 | { |
244 | s->method->ssl_free(s); | |
245 | s->method=s->ctx->method; | |
246 | if (!s->method->ssl_new(s)) | |
247 | return(0); | |
248 | } | |
249 | else | |
250 | #endif | |
251 | s->method->ssl_clear(s); | |
252 | return(1); | |
d02b48c6 RE |
253 | } |
254 | ||
4f43d0e7 | 255 | /** Used to change an SSL_CTXs default SSL method type */ |
4ebb342f | 256 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx,const SSL_METHOD *meth) |
d02b48c6 | 257 | { |
f73e07cf | 258 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
259 | |
260 | ctx->method=meth; | |
261 | ||
262 | sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list), | |
b3f6fe91 DSH |
263 | &(ctx->cipher_list_by_id), |
264 | meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST); | |
f73e07cf | 265 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) |
d02b48c6 RE |
266 | { |
267 | SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); | |
268 | return(0); | |
269 | } | |
270 | return(1); | |
271 | } | |
272 | ||
4f43d0e7 | 273 | SSL *SSL_new(SSL_CTX *ctx) |
d02b48c6 RE |
274 | { |
275 | SSL *s; | |
276 | ||
277 | if (ctx == NULL) | |
278 | { | |
279 | SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX); | |
280 | return(NULL); | |
281 | } | |
282 | if (ctx->method == NULL) | |
283 | { | |
284 | SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); | |
285 | return(NULL); | |
286 | } | |
287 | ||
26a3a48d | 288 | s=(SSL *)OPENSSL_malloc(sizeof(SSL)); |
d02b48c6 RE |
289 | if (s == NULL) goto err; |
290 | memset(s,0,sizeof(SSL)); | |
291 | ||
bc36ee62 | 292 | #ifndef OPENSSL_NO_KRB5 |
f9b3bff6 | 293 | s->kssl_ctx = kssl_ctx_new(); |
bc36ee62 | 294 | #endif /* OPENSSL_NO_KRB5 */ |
f9b3bff6 | 295 | |
bf21446a BM |
296 | s->options=ctx->options; |
297 | s->mode=ctx->mode; | |
298 | s->max_cert_list=ctx->max_cert_list; | |
299 | ||
ca8e5b9b | 300 | if (ctx->cert != NULL) |
d02b48c6 | 301 | { |
ca8e5b9b BM |
302 | /* Earlier library versions used to copy the pointer to |
303 | * the CERT, not its contents; only when setting new | |
304 | * parameters for the per-SSL copy, ssl_cert_new would be | |
305 | * called (and the direct reference to the per-SSL_CTX | |
306 | * settings would be lost, but those still were indirectly | |
307 | * accessed for various purposes, and for that reason they | |
308 | * used to be known as s->ctx->default_cert). | |
309 | * Now we don't look at the SSL_CTX's CERT after having | |
310 | * duplicated it once. */ | |
311 | ||
312 | s->cert = ssl_cert_dup(ctx->cert); | |
313 | if (s->cert == NULL) | |
314 | goto err; | |
d02b48c6 RE |
315 | } |
316 | else | |
ca8e5b9b | 317 | s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */ |
bf21446a BM |
318 | |
319 | s->read_ahead=ctx->read_ahead; | |
320 | s->msg_callback=ctx->msg_callback; | |
321 | s->msg_callback_arg=ctx->msg_callback_arg; | |
413c4f45 | 322 | s->verify_mode=ctx->verify_mode; |
7c2d4fee | 323 | s->not_resumable_session_cb=ctx->not_resumable_session_cb; |
5d7c222d | 324 | #if 0 |
7f89714e | 325 | s->verify_depth=ctx->verify_depth; |
5d7c222d | 326 | #endif |
bf21446a | 327 | s->sid_ctx_length=ctx->sid_ctx_length; |
54a656ef | 328 | OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx); |
bf21446a | 329 | memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx)); |
d02b48c6 | 330 | s->verify_callback=ctx->default_verify_callback; |
dc644fe2 | 331 | s->generate_session_id=ctx->generate_session_id; |
5d7c222d DSH |
332 | |
333 | s->param = X509_VERIFY_PARAM_new(); | |
334 | if (!s->param) | |
335 | goto err; | |
336 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); | |
337 | #if 0 | |
13938ace DSH |
338 | s->purpose = ctx->purpose; |
339 | s->trust = ctx->trust; | |
5d7c222d | 340 | #endif |
bf21446a | 341 | s->quiet_shutdown=ctx->quiet_shutdown; |
566dda07 | 342 | s->max_send_fragment = ctx->max_send_fragment; |
bf21446a | 343 | |
d02b48c6 RE |
344 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); |
345 | s->ctx=ctx; | |
1aeb3da8 | 346 | #ifndef OPENSSL_NO_TLSEXT |
6434abbf DSH |
347 | s->tlsext_debug_cb = 0; |
348 | s->tlsext_debug_arg = NULL; | |
349 | s->tlsext_ticket_expected = 0; | |
67c8e7f4 DSH |
350 | s->tlsext_status_type = -1; |
351 | s->tlsext_status_expected = 0; | |
352 | s->tlsext_ocsp_ids = NULL; | |
353 | s->tlsext_ocsp_exts = NULL; | |
354 | s->tlsext_ocsp_resp = NULL; | |
355 | s->tlsext_ocsp_resplen = -1; | |
1aeb3da8 BM |
356 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); |
357 | s->initial_ctx=ctx; | |
bf48836c | 358 | # ifndef OPENSSL_NO_NEXTPROTONEG |
ee2ffc27 BL |
359 | s->next_proto_negotiated = NULL; |
360 | # endif | |
1aeb3da8 | 361 | #endif |
d02b48c6 RE |
362 | |
363 | s->verify_result=X509_V_OK; | |
364 | ||
365 | s->method=ctx->method; | |
366 | ||
367 | if (!s->method->ssl_new(s)) | |
d02b48c6 | 368 | goto err; |
d02b48c6 | 369 | |
58964a49 | 370 | s->references=1; |
413c4f45 | 371 | s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1; |
bf21446a | 372 | |
d02b48c6 | 373 | SSL_clear(s); |
58964a49 | 374 | |
79aa04ef | 375 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 376 | |
ddac1974 NL |
377 | #ifndef OPENSSL_NO_PSK |
378 | s->psk_client_callback=ctx->psk_client_callback; | |
379 | s->psk_server_callback=ctx->psk_server_callback; | |
380 | #endif | |
381 | ||
d02b48c6 RE |
382 | return(s); |
383 | err: | |
ca8e5b9b BM |
384 | if (s != NULL) |
385 | { | |
386 | if (s->cert != NULL) | |
387 | ssl_cert_free(s->cert); | |
388 | if (s->ctx != NULL) | |
389 | SSL_CTX_free(s->ctx); /* decrement reference count */ | |
26a3a48d | 390 | OPENSSL_free(s); |
ca8e5b9b | 391 | } |
d02b48c6 RE |
392 | SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE); |
393 | return(NULL); | |
394 | } | |
395 | ||
4eb77b26 BM |
396 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx, |
397 | unsigned int sid_ctx_len) | |
398 | { | |
54a656ef | 399 | if(sid_ctx_len > sizeof ctx->sid_ctx) |
4eb77b26 BM |
400 | { |
401 | SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
402 | return 0; | |
403 | } | |
404 | ctx->sid_ctx_length=sid_ctx_len; | |
405 | memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len); | |
406 | ||
407 | return 1; | |
408 | } | |
409 | ||
b4cadc6e BL |
410 | int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx, |
411 | unsigned int sid_ctx_len) | |
412 | { | |
413 | if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) | |
414 | { | |
415 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
416 | return 0; | |
417 | } | |
418 | ssl->sid_ctx_length=sid_ctx_len; | |
419 | memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len); | |
420 | ||
421 | return 1; | |
422 | } | |
423 | ||
dc644fe2 GT |
424 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
425 | { | |
426 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
427 | ctx->generate_session_id = cb; | |
428 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
429 | return 1; | |
430 | } | |
431 | ||
432 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
433 | { | |
434 | CRYPTO_w_lock(CRYPTO_LOCK_SSL); | |
435 | ssl->generate_session_id = cb; | |
436 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL); | |
437 | return 1; | |
438 | } | |
439 | ||
f85c9904 | 440 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
6343829a | 441 | unsigned int id_len) |
dc644fe2 GT |
442 | { |
443 | /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
444 | * we can "construct" a session to give us the desired check - ie. to | |
445 | * find if there's a session in the hash table that would conflict with | |
446 | * any new session built out of this id/id_len and the ssl_version in | |
f85c9904 | 447 | * use by this SSL. */ |
dc644fe2 | 448 | SSL_SESSION r, *p; |
54a656ef BL |
449 | |
450 | if(id_len > sizeof r.session_id) | |
451 | return 0; | |
452 | ||
f85c9904 | 453 | r.ssl_version = ssl->version; |
dc644fe2 GT |
454 | r.session_id_length = id_len; |
455 | memcpy(r.session_id, id, id_len); | |
ec0f1959 GT |
456 | /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a |
457 | * callback is calling us to check the uniqueness of a shorter ID, it | |
458 | * must be compared as a padded-out ID because that is what it will be | |
459 | * converted to when the callback has finished choosing it. */ | |
460 | if((r.ssl_version == SSL2_VERSION) && | |
461 | (id_len < SSL2_SSL_SESSION_ID_LENGTH)) | |
462 | { | |
463 | memset(r.session_id + id_len, 0, | |
464 | SSL2_SSL_SESSION_ID_LENGTH - id_len); | |
465 | r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH; | |
466 | } | |
dc644fe2 GT |
467 | |
468 | CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); | |
3c1d6bbc | 469 | p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r); |
dc644fe2 GT |
470 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); |
471 | return (p != NULL); | |
472 | } | |
473 | ||
bb7cd4e3 | 474 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
bf21446a | 475 | { |
5d7c222d | 476 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); |
bf21446a | 477 | } |
bb7cd4e3 DSH |
478 | |
479 | int SSL_set_purpose(SSL *s, int purpose) | |
bf21446a | 480 | { |
5d7c222d | 481 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); |
bf21446a | 482 | } |
926a56bf | 483 | |
bb7cd4e3 | 484 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
bf21446a | 485 | { |
5d7c222d | 486 | return X509_VERIFY_PARAM_set_trust(s->param, trust); |
bf21446a | 487 | } |
bb7cd4e3 DSH |
488 | |
489 | int SSL_set_trust(SSL *s, int trust) | |
bf21446a | 490 | { |
5d7c222d | 491 | return X509_VERIFY_PARAM_set_trust(s->param, trust); |
bf21446a | 492 | } |
bb7cd4e3 | 493 | |
ccf11751 DSH |
494 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
495 | { | |
496 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
497 | } | |
498 | ||
499 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
500 | { | |
501 | return X509_VERIFY_PARAM_set1(ssl->param, vpm); | |
502 | } | |
503 | ||
4f43d0e7 | 504 | void SSL_free(SSL *s) |
d02b48c6 | 505 | { |
58964a49 RE |
506 | int i; |
507 | ||
e03ddfae BL |
508 | if(s == NULL) |
509 | return; | |
510 | ||
58964a49 RE |
511 | i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL); |
512 | #ifdef REF_PRINT | |
513 | REF_PRINT("SSL",s); | |
514 | #endif | |
515 | if (i > 0) return; | |
516 | #ifdef REF_CHECK | |
517 | if (i < 0) | |
518 | { | |
519 | fprintf(stderr,"SSL_free, bad reference count\n"); | |
520 | abort(); /* ok */ | |
521 | } | |
522 | #endif | |
523 | ||
5d7c222d DSH |
524 | if (s->param) |
525 | X509_VERIFY_PARAM_free(s->param); | |
526 | ||
79aa04ef | 527 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 528 | |
d02b48c6 RE |
529 | if (s->bbio != NULL) |
530 | { | |
531 | /* If the buffering BIO is in place, pop it off */ | |
532 | if (s->bbio == s->wbio) | |
533 | { | |
534 | s->wbio=BIO_pop(s->wbio); | |
535 | } | |
536 | BIO_free(s->bbio); | |
58964a49 | 537 | s->bbio=NULL; |
d02b48c6 RE |
538 | } |
539 | if (s->rbio != NULL) | |
540 | BIO_free_all(s->rbio); | |
541 | if ((s->wbio != NULL) && (s->wbio != s->rbio)) | |
542 | BIO_free_all(s->wbio); | |
543 | ||
544 | if (s->init_buf != NULL) BUF_MEM_free(s->init_buf); | |
545 | ||
546 | /* add extra stuff */ | |
f73e07cf BL |
547 | if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list); |
548 | if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
d02b48c6 RE |
549 | |
550 | /* Make the next call work :-) */ | |
551 | if (s->session != NULL) | |
552 | { | |
553 | ssl_clear_bad_session(s); | |
554 | SSL_SESSION_free(s->session); | |
555 | } | |
556 | ||
557 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
558 | ssl_clear_hash_ctx(&s->read_hash); |
559 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 RE |
560 | |
561 | if (s->cert != NULL) ssl_cert_free(s->cert); | |
562 | /* Free up if allocated */ | |
563 | ||
1aeb3da8 | 564 | #ifndef OPENSSL_NO_TLSEXT |
7587347b BL |
565 | if (s->tlsext_hostname) |
566 | OPENSSL_free(s->tlsext_hostname); | |
1aeb3da8 | 567 | if (s->initial_ctx) SSL_CTX_free(s->initial_ctx); |
dc1d1b69 BM |
568 | #ifndef OPENSSL_NO_EC |
569 | if (s->tlsext_ecpointformatlist) OPENSSL_free(s->tlsext_ecpointformatlist); | |
570 | if (s->tlsext_ellipticcurvelist) OPENSSL_free(s->tlsext_ellipticcurvelist); | |
571 | #endif /* OPENSSL_NO_EC */ | |
761772d7 | 572 | if (s->tlsext_opaque_prf_input) OPENSSL_free(s->tlsext_opaque_prf_input); |
67c8e7f4 DSH |
573 | if (s->tlsext_ocsp_exts) |
574 | sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, | |
575 | X509_EXTENSION_free); | |
576 | if (s->tlsext_ocsp_ids) | |
577 | sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free); | |
578 | if (s->tlsext_ocsp_resp) | |
579 | OPENSSL_free(s->tlsext_ocsp_resp); | |
1aeb3da8 | 580 | #endif |
d02b48c6 RE |
581 | |
582 | if (s->client_CA != NULL) | |
f73e07cf | 583 | sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free); |
d02b48c6 RE |
584 | |
585 | if (s->method != NULL) s->method->ssl_free(s); | |
586 | ||
7c3908dd DSH |
587 | if (s->ctx) SSL_CTX_free(s->ctx); |
588 | ||
0e6c20da RL |
589 | #ifndef OPENSSL_NO_KRB5 |
590 | if (s->kssl_ctx != NULL) | |
591 | kssl_ctx_free(s->kssl_ctx); | |
592 | #endif /* OPENSSL_NO_KRB5 */ | |
593 | ||
bf48836c | 594 | #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) |
ee2ffc27 BL |
595 | if (s->next_proto_negotiated) |
596 | OPENSSL_free(s->next_proto_negotiated); | |
597 | #endif | |
598 | ||
26a3a48d | 599 | OPENSSL_free(s); |
d02b48c6 RE |
600 | } |
601 | ||
4f43d0e7 | 602 | void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio) |
d02b48c6 RE |
603 | { |
604 | /* If the output buffering BIO is still in place, remove it | |
605 | */ | |
606 | if (s->bbio != NULL) | |
607 | { | |
608 | if (s->wbio == s->bbio) | |
609 | { | |
610 | s->wbio=s->wbio->next_bio; | |
611 | s->bbio->next_bio=NULL; | |
612 | } | |
613 | } | |
614 | if ((s->rbio != NULL) && (s->rbio != rbio)) | |
615 | BIO_free_all(s->rbio); | |
616 | if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio)) | |
617 | BIO_free_all(s->wbio); | |
618 | s->rbio=rbio; | |
619 | s->wbio=wbio; | |
620 | } | |
621 | ||
0821bcd4 | 622 | BIO *SSL_get_rbio(const SSL *s) |
d02b48c6 RE |
623 | { return(s->rbio); } |
624 | ||
0821bcd4 | 625 | BIO *SSL_get_wbio(const SSL *s) |
d02b48c6 RE |
626 | { return(s->wbio); } |
627 | ||
0821bcd4 | 628 | int SSL_get_fd(const SSL *s) |
24cbf3ef | 629 | { |
fa293e4e | 630 | return(SSL_get_rfd(s)); |
24cbf3ef RL |
631 | } |
632 | ||
0821bcd4 | 633 | int SSL_get_rfd(const SSL *s) |
d02b48c6 RE |
634 | { |
635 | int ret= -1; | |
636 | BIO *b,*r; | |
637 | ||
638 | b=SSL_get_rbio(s); | |
639 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
640 | if (r != NULL) | |
641 | BIO_get_fd(r,&ret); | |
642 | return(ret); | |
643 | } | |
644 | ||
0821bcd4 | 645 | int SSL_get_wfd(const SSL *s) |
24cbf3ef RL |
646 | { |
647 | int ret= -1; | |
648 | BIO *b,*r; | |
649 | ||
650 | b=SSL_get_wbio(s); | |
651 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
652 | if (r != NULL) | |
653 | BIO_get_fd(r,&ret); | |
654 | return(ret); | |
655 | } | |
656 | ||
bc36ee62 | 657 | #ifndef OPENSSL_NO_SOCK |
4f43d0e7 | 658 | int SSL_set_fd(SSL *s,int fd) |
d02b48c6 RE |
659 | { |
660 | int ret=0; | |
661 | BIO *bio=NULL; | |
662 | ||
663 | bio=BIO_new(BIO_s_socket()); | |
664 | ||
665 | if (bio == NULL) | |
666 | { | |
667 | SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB); | |
668 | goto err; | |
669 | } | |
670 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
671 | SSL_set_bio(s,bio,bio); | |
672 | ret=1; | |
673 | err: | |
674 | return(ret); | |
675 | } | |
676 | ||
4f43d0e7 | 677 | int SSL_set_wfd(SSL *s,int fd) |
d02b48c6 RE |
678 | { |
679 | int ret=0; | |
680 | BIO *bio=NULL; | |
681 | ||
58964a49 RE |
682 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) |
683 | || ((int)BIO_get_fd(s->rbio,NULL) != fd)) | |
684 | { | |
685 | bio=BIO_new(BIO_s_socket()); | |
d02b48c6 | 686 | |
58964a49 RE |
687 | if (bio == NULL) |
688 | { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; } | |
689 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
690 | SSL_set_bio(s,SSL_get_rbio(s),bio); | |
691 | } | |
692 | else | |
693 | SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s)); | |
d02b48c6 RE |
694 | ret=1; |
695 | err: | |
696 | return(ret); | |
697 | } | |
698 | ||
4f43d0e7 | 699 | int SSL_set_rfd(SSL *s,int fd) |
d02b48c6 RE |
700 | { |
701 | int ret=0; | |
702 | BIO *bio=NULL; | |
703 | ||
58964a49 RE |
704 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) |
705 | || ((int)BIO_get_fd(s->wbio,NULL) != fd)) | |
d02b48c6 | 706 | { |
58964a49 RE |
707 | bio=BIO_new(BIO_s_socket()); |
708 | ||
709 | if (bio == NULL) | |
710 | { | |
711 | SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB); | |
712 | goto err; | |
713 | } | |
714 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
715 | SSL_set_bio(s,bio,SSL_get_wbio(s)); | |
d02b48c6 | 716 | } |
58964a49 RE |
717 | else |
718 | SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s)); | |
d02b48c6 RE |
719 | ret=1; |
720 | err: | |
721 | return(ret); | |
722 | } | |
723 | #endif | |
724 | ||
ca03109c BM |
725 | |
726 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 727 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
ca03109c BM |
728 | { |
729 | size_t ret = 0; | |
730 | ||
731 | if (s->s3 != NULL) | |
732 | { | |
733 | ret = s->s3->tmp.finish_md_len; | |
734 | if (count > ret) | |
735 | count = ret; | |
736 | memcpy(buf, s->s3->tmp.finish_md, count); | |
737 | } | |
738 | return ret; | |
739 | } | |
740 | ||
741 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 742 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
ca03109c BM |
743 | { |
744 | size_t ret = 0; | |
745 | ||
746 | if (s->s3 != NULL) | |
747 | { | |
748 | ret = s->s3->tmp.peer_finish_md_len; | |
749 | if (count > ret) | |
750 | count = ret; | |
751 | memcpy(buf, s->s3->tmp.peer_finish_md, count); | |
752 | } | |
753 | return ret; | |
754 | } | |
755 | ||
756 | ||
0821bcd4 | 757 | int SSL_get_verify_mode(const SSL *s) |
d02b48c6 RE |
758 | { |
759 | return(s->verify_mode); | |
760 | } | |
761 | ||
0821bcd4 | 762 | int SSL_get_verify_depth(const SSL *s) |
7f89714e | 763 | { |
5d7c222d | 764 | return X509_VERIFY_PARAM_get_depth(s->param); |
7f89714e BM |
765 | } |
766 | ||
0821bcd4 | 767 | int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *) |
d02b48c6 RE |
768 | { |
769 | return(s->verify_callback); | |
770 | } | |
771 | ||
0821bcd4 | 772 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
d02b48c6 | 773 | { |
413c4f45 | 774 | return(ctx->verify_mode); |
d02b48c6 RE |
775 | } |
776 | ||
0821bcd4 | 777 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
7f89714e | 778 | { |
5d7c222d | 779 | return X509_VERIFY_PARAM_get_depth(ctx->param); |
7f89714e BM |
780 | } |
781 | ||
0821bcd4 | 782 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *) |
d02b48c6 RE |
783 | { |
784 | return(ctx->default_verify_callback); | |
785 | } | |
786 | ||
49bc2624 BL |
787 | void SSL_set_verify(SSL *s,int mode, |
788 | int (*callback)(int ok,X509_STORE_CTX *ctx)) | |
d02b48c6 RE |
789 | { |
790 | s->verify_mode=mode; | |
791 | if (callback != NULL) | |
792 | s->verify_callback=callback; | |
793 | } | |
794 | ||
7f89714e BM |
795 | void SSL_set_verify_depth(SSL *s,int depth) |
796 | { | |
5d7c222d | 797 | X509_VERIFY_PARAM_set_depth(s->param, depth); |
7f89714e BM |
798 | } |
799 | ||
4f43d0e7 | 800 | void SSL_set_read_ahead(SSL *s,int yes) |
d02b48c6 RE |
801 | { |
802 | s->read_ahead=yes; | |
803 | } | |
804 | ||
0821bcd4 | 805 | int SSL_get_read_ahead(const SSL *s) |
d02b48c6 RE |
806 | { |
807 | return(s->read_ahead); | |
808 | } | |
809 | ||
0821bcd4 | 810 | int SSL_pending(const SSL *s) |
d02b48c6 | 811 | { |
24b44446 BM |
812 | /* SSL_pending cannot work properly if read-ahead is enabled |
813 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), | |
814 | * and it is impossible to fix since SSL_pending cannot report | |
815 | * errors that may be observed while scanning the new data. | |
816 | * (Note that SSL_pending() is often used as a boolean value, | |
817 | * so we'd better not return -1.) | |
818 | */ | |
d02b48c6 RE |
819 | return(s->method->ssl_pending(s)); |
820 | } | |
821 | ||
0821bcd4 | 822 | X509 *SSL_get_peer_certificate(const SSL *s) |
d02b48c6 RE |
823 | { |
824 | X509 *r; | |
825 | ||
826 | if ((s == NULL) || (s->session == NULL)) | |
827 | r=NULL; | |
828 | else | |
829 | r=s->session->peer; | |
830 | ||
831 | if (r == NULL) return(r); | |
832 | ||
833 | CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509); | |
834 | ||
835 | return(r); | |
836 | } | |
837 | ||
0821bcd4 | 838 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
d02b48c6 | 839 | { |
f73e07cf | 840 | STACK_OF(X509) *r; |
d02b48c6 | 841 | |
9d5cceac | 842 | if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL)) |
d02b48c6 RE |
843 | r=NULL; |
844 | else | |
9d5cceac | 845 | r=s->session->sess_cert->cert_chain; |
d02b48c6 | 846 | |
98e04f9e BM |
847 | /* If we are a client, cert_chain includes the peer's own |
848 | * certificate; if we are a server, it does not. */ | |
849 | ||
d02b48c6 RE |
850 | return(r); |
851 | } | |
852 | ||
853 | /* Now in theory, since the calling process own 't' it should be safe to | |
854 | * modify. We need to be able to read f without being hassled */ | |
0821bcd4 | 855 | void SSL_copy_session_id(SSL *t,const SSL *f) |
d02b48c6 RE |
856 | { |
857 | CERT *tmp; | |
858 | ||
859 | /* Do we need to to SSL locking? */ | |
860 | SSL_set_session(t,SSL_get_session(f)); | |
861 | ||
862 | /* what if we are setup as SSLv2 but want to talk SSLv3 or | |
863 | * vice-versa */ | |
864 | if (t->method != f->method) | |
865 | { | |
866 | t->method->ssl_free(t); /* cleanup current */ | |
867 | t->method=f->method; /* change method */ | |
868 | t->method->ssl_new(t); /* setup new */ | |
869 | } | |
870 | ||
871 | tmp=t->cert; | |
872 | if (f->cert != NULL) | |
873 | { | |
874 | CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT); | |
875 | t->cert=f->cert; | |
876 | } | |
877 | else | |
878 | t->cert=NULL; | |
879 | if (tmp != NULL) ssl_cert_free(tmp); | |
b4cadc6e | 880 | SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length); |
d02b48c6 RE |
881 | } |
882 | ||
58964a49 | 883 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 884 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
d02b48c6 RE |
885 | { |
886 | if ( (ctx == NULL) || | |
ca8e5b9b BM |
887 | (ctx->cert == NULL) || |
888 | (ctx->cert->key->x509 == NULL)) | |
d02b48c6 RE |
889 | { |
890 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
891 | return(0); | |
892 | } | |
ca8e5b9b | 893 | if (ctx->cert->key->privatekey == NULL) |
d02b48c6 RE |
894 | { |
895 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
896 | return(0); | |
897 | } | |
ca8e5b9b | 898 | return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey)); |
d02b48c6 RE |
899 | } |
900 | ||
58964a49 | 901 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 902 | int SSL_check_private_key(const SSL *ssl) |
d02b48c6 RE |
903 | { |
904 | if (ssl == NULL) | |
905 | { | |
906 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER); | |
907 | return(0); | |
908 | } | |
f3e67ac1 | 909 | if (ssl->cert == NULL) |
2b8e4959 | 910 | { |
52b8dad8 | 911 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); |
f3e67ac1 | 912 | return 0; |
2b8e4959 | 913 | } |
d02b48c6 RE |
914 | if (ssl->cert->key->x509 == NULL) |
915 | { | |
916 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
917 | return(0); | |
918 | } | |
919 | if (ssl->cert->key->privatekey == NULL) | |
920 | { | |
921 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
922 | return(0); | |
923 | } | |
924 | return(X509_check_private_key(ssl->cert->key->x509, | |
925 | ssl->cert->key->privatekey)); | |
926 | } | |
927 | ||
4f43d0e7 | 928 | int SSL_accept(SSL *s) |
d02b48c6 | 929 | { |
b31b04d9 BM |
930 | if (s->handshake_func == 0) |
931 | /* Not properly initialized yet */ | |
932 | SSL_set_accept_state(s); | |
933 | ||
d02b48c6 RE |
934 | return(s->method->ssl_accept(s)); |
935 | } | |
936 | ||
4f43d0e7 | 937 | int SSL_connect(SSL *s) |
d02b48c6 | 938 | { |
b31b04d9 BM |
939 | if (s->handshake_func == 0) |
940 | /* Not properly initialized yet */ | |
941 | SSL_set_connect_state(s); | |
942 | ||
d02b48c6 RE |
943 | return(s->method->ssl_connect(s)); |
944 | } | |
945 | ||
0821bcd4 | 946 | long SSL_get_default_timeout(const SSL *s) |
d02b48c6 RE |
947 | { |
948 | return(s->method->get_timeout()); | |
949 | } | |
950 | ||
e34cfcf7 | 951 | int SSL_read(SSL *s,void *buf,int num) |
d02b48c6 | 952 | { |
b31b04d9 BM |
953 | if (s->handshake_func == 0) |
954 | { | |
ff712220 | 955 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
956 | return -1; |
957 | } | |
958 | ||
d02b48c6 RE |
959 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
960 | { | |
961 | s->rwstate=SSL_NOTHING; | |
962 | return(0); | |
963 | } | |
964 | return(s->method->ssl_read(s,buf,num)); | |
965 | } | |
966 | ||
e34cfcf7 | 967 | int SSL_peek(SSL *s,void *buf,int num) |
d02b48c6 | 968 | { |
5451e0d9 BM |
969 | if (s->handshake_func == 0) |
970 | { | |
aa4ce731 | 971 | SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED); |
5451e0d9 BM |
972 | return -1; |
973 | } | |
974 | ||
d02b48c6 RE |
975 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
976 | { | |
977 | return(0); | |
978 | } | |
979 | return(s->method->ssl_peek(s,buf,num)); | |
980 | } | |
981 | ||
e34cfcf7 | 982 | int SSL_write(SSL *s,const void *buf,int num) |
d02b48c6 | 983 | { |
b31b04d9 BM |
984 | if (s->handshake_func == 0) |
985 | { | |
ff712220 | 986 | SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
987 | return -1; |
988 | } | |
989 | ||
d02b48c6 RE |
990 | if (s->shutdown & SSL_SENT_SHUTDOWN) |
991 | { | |
992 | s->rwstate=SSL_NOTHING; | |
993 | SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN); | |
994 | return(-1); | |
995 | } | |
996 | return(s->method->ssl_write(s,buf,num)); | |
997 | } | |
998 | ||
4f43d0e7 | 999 | int SSL_shutdown(SSL *s) |
d02b48c6 | 1000 | { |
d3407350 | 1001 | /* Note that this function behaves differently from what one might |
e2e3d5ce BM |
1002 | * expect. Return values are 0 for no success (yet), |
1003 | * 1 for success; but calling it once is usually not enough, | |
1004 | * even if blocking I/O is used (see ssl3_shutdown). | |
1005 | */ | |
1006 | ||
b31b04d9 BM |
1007 | if (s->handshake_func == 0) |
1008 | { | |
ff712220 | 1009 | SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
1010 | return -1; |
1011 | } | |
1012 | ||
d02b48c6 RE |
1013 | if ((s != NULL) && !SSL_in_init(s)) |
1014 | return(s->method->ssl_shutdown(s)); | |
1015 | else | |
1016 | return(1); | |
1017 | } | |
1018 | ||
4f43d0e7 | 1019 | int SSL_renegotiate(SSL *s) |
d02b48c6 | 1020 | { |
44959ee4 DSH |
1021 | if (s->renegotiate == 0) |
1022 | s->renegotiate=1; | |
1023 | ||
1024 | s->new_session=1; | |
1025 | ||
d02b48c6 RE |
1026 | return(s->method->ssl_renegotiate(s)); |
1027 | } | |
1028 | ||
44959ee4 DSH |
1029 | int SSL_renegotiate_abbreviated(SSL *s) |
1030 | { | |
1031 | if (s->renegotiate == 0) | |
1032 | s->renegotiate=1; | |
1033 | ||
1034 | s->new_session=0; | |
1035 | ||
1036 | return(s->method->ssl_renegotiate(s)); | |
1037 | } | |
1038 | ||
6b0e9fac BM |
1039 | int SSL_renegotiate_pending(SSL *s) |
1040 | { | |
1041 | /* becomes true when negotiation is requested; | |
1042 | * false again once a handshake has finished */ | |
44959ee4 | 1043 | return (s->renegotiate != 0); |
6b0e9fac BM |
1044 | } |
1045 | ||
a661b653 | 1046 | long SSL_ctrl(SSL *s,int cmd,long larg,void *parg) |
d02b48c6 | 1047 | { |
413c4f45 MC |
1048 | long l; |
1049 | ||
1050 | switch (cmd) | |
1051 | { | |
1052 | case SSL_CTRL_GET_READ_AHEAD: | |
1053 | return(s->read_ahead); | |
1054 | case SSL_CTRL_SET_READ_AHEAD: | |
1055 | l=s->read_ahead; | |
1056 | s->read_ahead=larg; | |
1057 | return(l); | |
bf21446a BM |
1058 | |
1059 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1060 | s->msg_callback_arg = parg; | |
1061 | return 1; | |
1062 | ||
413c4f45 MC |
1063 | case SSL_CTRL_OPTIONS: |
1064 | return(s->options|=larg); | |
7661ccad DSH |
1065 | case SSL_CTRL_CLEAR_OPTIONS: |
1066 | return(s->options&=~larg); | |
e1056435 BM |
1067 | case SSL_CTRL_MODE: |
1068 | return(s->mode|=larg); | |
7661ccad DSH |
1069 | case SSL_CTRL_CLEAR_MODE: |
1070 | return(s->mode &=~larg); | |
c0f5dd07 LJ |
1071 | case SSL_CTRL_GET_MAX_CERT_LIST: |
1072 | return(s->max_cert_list); | |
1073 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1074 | l=s->max_cert_list; | |
1075 | s->max_cert_list=larg; | |
1076 | return(l); | |
36d16f8e | 1077 | case SSL_CTRL_SET_MTU: |
8711efb4 DSH |
1078 | if (SSL_version(s) == DTLS1_VERSION || |
1079 | SSL_version(s) == DTLS1_BAD_VER) | |
36d16f8e BL |
1080 | { |
1081 | s->d1->mtu = larg; | |
1082 | return larg; | |
1083 | } | |
1084 | return 0; | |
566dda07 DSH |
1085 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
1086 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1087 | return 0; | |
1088 | s->max_send_fragment = larg; | |
1089 | return 1; | |
5430200b DSH |
1090 | case SSL_CTRL_GET_RI_SUPPORT: |
1091 | if (s->s3) | |
1092 | return s->s3->send_connection_binding; | |
1093 | else return 0; | |
413c4f45 MC |
1094 | default: |
1095 | return(s->method->ssl_ctrl(s,cmd,larg,parg)); | |
1096 | } | |
d02b48c6 RE |
1097 | } |
1098 | ||
41a15c4f | 1099 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) |
d3442bc7 RL |
1100 | { |
1101 | switch(cmd) | |
1102 | { | |
bf21446a | 1103 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 1104 | s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp); |
bf21446a BM |
1105 | return 1; |
1106 | ||
d3442bc7 RL |
1107 | default: |
1108 | return(s->method->ssl_callback_ctrl(s,cmd,fp)); | |
1109 | } | |
1110 | } | |
1111 | ||
3c1d6bbc | 1112 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
1e7396be RL |
1113 | { |
1114 | return ctx->sessions; | |
1115 | } | |
1116 | ||
a661b653 | 1117 | long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg) |
d02b48c6 | 1118 | { |
413c4f45 MC |
1119 | long l; |
1120 | ||
1121 | switch (cmd) | |
1122 | { | |
1123 | case SSL_CTRL_GET_READ_AHEAD: | |
1124 | return(ctx->read_ahead); | |
1125 | case SSL_CTRL_SET_READ_AHEAD: | |
1126 | l=ctx->read_ahead; | |
1127 | ctx->read_ahead=larg; | |
1128 | return(l); | |
bf21446a BM |
1129 | |
1130 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1131 | ctx->msg_callback_arg = parg; | |
1132 | return 1; | |
1133 | ||
c0f5dd07 LJ |
1134 | case SSL_CTRL_GET_MAX_CERT_LIST: |
1135 | return(ctx->max_cert_list); | |
1136 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1137 | l=ctx->max_cert_list; | |
1138 | ctx->max_cert_list=larg; | |
1139 | return(l); | |
413c4f45 MC |
1140 | |
1141 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
1142 | l=ctx->session_cache_size; | |
1143 | ctx->session_cache_size=larg; | |
1144 | return(l); | |
1145 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
1146 | return(ctx->session_cache_size); | |
1147 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
1148 | l=ctx->session_cache_mode; | |
1149 | ctx->session_cache_mode=larg; | |
1150 | return(l); | |
1151 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
1152 | return(ctx->session_cache_mode); | |
1153 | ||
1154 | case SSL_CTRL_SESS_NUMBER: | |
3c1d6bbc | 1155 | return(lh_SSL_SESSION_num_items(ctx->sessions)); |
413c4f45 MC |
1156 | case SSL_CTRL_SESS_CONNECT: |
1157 | return(ctx->stats.sess_connect); | |
1158 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
1159 | return(ctx->stats.sess_connect_good); | |
1160 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
1161 | return(ctx->stats.sess_connect_renegotiate); | |
1162 | case SSL_CTRL_SESS_ACCEPT: | |
1163 | return(ctx->stats.sess_accept); | |
1164 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
1165 | return(ctx->stats.sess_accept_good); | |
1166 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
1167 | return(ctx->stats.sess_accept_renegotiate); | |
1168 | case SSL_CTRL_SESS_HIT: | |
1169 | return(ctx->stats.sess_hit); | |
1170 | case SSL_CTRL_SESS_CB_HIT: | |
1171 | return(ctx->stats.sess_cb_hit); | |
1172 | case SSL_CTRL_SESS_MISSES: | |
1173 | return(ctx->stats.sess_miss); | |
1174 | case SSL_CTRL_SESS_TIMEOUTS: | |
1175 | return(ctx->stats.sess_timeout); | |
1176 | case SSL_CTRL_SESS_CACHE_FULL: | |
1177 | return(ctx->stats.sess_cache_full); | |
1178 | case SSL_CTRL_OPTIONS: | |
1179 | return(ctx->options|=larg); | |
7661ccad DSH |
1180 | case SSL_CTRL_CLEAR_OPTIONS: |
1181 | return(ctx->options&=~larg); | |
e1056435 BM |
1182 | case SSL_CTRL_MODE: |
1183 | return(ctx->mode|=larg); | |
7661ccad DSH |
1184 | case SSL_CTRL_CLEAR_MODE: |
1185 | return(ctx->mode&=~larg); | |
566dda07 DSH |
1186 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
1187 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1188 | return 0; | |
1189 | ctx->max_send_fragment = larg; | |
1190 | return 1; | |
413c4f45 MC |
1191 | default: |
1192 | return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg)); | |
1193 | } | |
d02b48c6 RE |
1194 | } |
1195 | ||
41a15c4f | 1196 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) |
d3442bc7 RL |
1197 | { |
1198 | switch(cmd) | |
1199 | { | |
bf21446a | 1200 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 1201 | ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp); |
bf21446a BM |
1202 | return 1; |
1203 | ||
d3442bc7 RL |
1204 | default: |
1205 | return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp)); | |
1206 | } | |
1207 | } | |
1208 | ||
ccd86b68 | 1209 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
d02b48c6 RE |
1210 | { |
1211 | long l; | |
1212 | ||
1213 | l=a->id-b->id; | |
1214 | if (l == 0L) | |
1215 | return(0); | |
1216 | else | |
1217 | return((l > 0)?1:-1); | |
1218 | } | |
1219 | ||
ccd86b68 GT |
1220 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, |
1221 | const SSL_CIPHER * const *bp) | |
d02b48c6 RE |
1222 | { |
1223 | long l; | |
1224 | ||
1225 | l=(*ap)->id-(*bp)->id; | |
1226 | if (l == 0L) | |
1227 | return(0); | |
1228 | else | |
1229 | return((l > 0)?1:-1); | |
1230 | } | |
1231 | ||
4f43d0e7 | 1232 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1233 | * preference */ |
0821bcd4 | 1234 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
d02b48c6 | 1235 | { |
28b958f7 | 1236 | if (s != NULL) |
d02b48c6 | 1237 | { |
28b958f7 RL |
1238 | if (s->cipher_list != NULL) |
1239 | { | |
1240 | return(s->cipher_list); | |
1241 | } | |
1242 | else if ((s->ctx != NULL) && | |
1243 | (s->ctx->cipher_list != NULL)) | |
1244 | { | |
1245 | return(s->ctx->cipher_list); | |
1246 | } | |
d02b48c6 RE |
1247 | } |
1248 | return(NULL); | |
1249 | } | |
1250 | ||
4f43d0e7 | 1251 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1252 | * algorithm id */ |
f73e07cf | 1253 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
d02b48c6 | 1254 | { |
28b958f7 | 1255 | if (s != NULL) |
d02b48c6 | 1256 | { |
28b958f7 RL |
1257 | if (s->cipher_list_by_id != NULL) |
1258 | { | |
1259 | return(s->cipher_list_by_id); | |
1260 | } | |
1261 | else if ((s->ctx != NULL) && | |
1262 | (s->ctx->cipher_list_by_id != NULL)) | |
1263 | { | |
1264 | return(s->ctx->cipher_list_by_id); | |
1265 | } | |
d02b48c6 RE |
1266 | } |
1267 | return(NULL); | |
1268 | } | |
1269 | ||
4f43d0e7 | 1270 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0821bcd4 | 1271 | const char *SSL_get_cipher_list(const SSL *s,int n) |
d02b48c6 RE |
1272 | { |
1273 | SSL_CIPHER *c; | |
f73e07cf | 1274 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1275 | |
1276 | if (s == NULL) return(NULL); | |
1277 | sk=SSL_get_ciphers(s); | |
f73e07cf | 1278 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) |
d02b48c6 | 1279 | return(NULL); |
f73e07cf | 1280 | c=sk_SSL_CIPHER_value(sk,n); |
d02b48c6 RE |
1281 | if (c == NULL) return(NULL); |
1282 | return(c->name); | |
1283 | } | |
1284 | ||
25f923dd | 1285 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 1286 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
d02b48c6 | 1287 | { |
f73e07cf | 1288 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1289 | |
1290 | sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list, | |
1291 | &ctx->cipher_list_by_id,str); | |
f0747cd9 NL |
1292 | /* ssl_create_cipher_list may return an empty stack if it |
1293 | * was unable to find a cipher matching the given rule string | |
1294 | * (for example if the rule string specifies a cipher which | |
52b8dad8 BM |
1295 | * has been disabled). This is not an error as far as |
1296 | * ssl_create_cipher_list is concerned, and hence | |
f0747cd9 NL |
1297 | * ctx->cipher_list and ctx->cipher_list_by_id has been |
1298 | * updated. */ | |
1299 | if (sk == NULL) | |
1300 | return 0; | |
1301 | else if (sk_SSL_CIPHER_num(sk) == 0) | |
1302 | { | |
1303 | SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1304 | return 0; | |
1305 | } | |
1306 | return 1; | |
d02b48c6 RE |
1307 | } |
1308 | ||
4f43d0e7 | 1309 | /** specify the ciphers to be used by the SSL */ |
018e57c7 | 1310 | int SSL_set_cipher_list(SSL *s,const char *str) |
d02b48c6 | 1311 | { |
f73e07cf | 1312 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1313 | |
1314 | sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list, | |
1315 | &s->cipher_list_by_id,str); | |
f0747cd9 NL |
1316 | /* see comment in SSL_CTX_set_cipher_list */ |
1317 | if (sk == NULL) | |
1318 | return 0; | |
1319 | else if (sk_SSL_CIPHER_num(sk) == 0) | |
1320 | { | |
1321 | SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1322 | return 0; | |
1323 | } | |
1324 | return 1; | |
d02b48c6 RE |
1325 | } |
1326 | ||
1327 | /* works well for SSLv2, not so good for SSLv3 */ | |
0821bcd4 | 1328 | char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len) |
d02b48c6 | 1329 | { |
e778802f | 1330 | char *p; |
f73e07cf | 1331 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1332 | SSL_CIPHER *c; |
1333 | int i; | |
1334 | ||
1335 | if ((s->session == NULL) || (s->session->ciphers == NULL) || | |
1336 | (len < 2)) | |
1337 | return(NULL); | |
1338 | ||
1339 | p=buf; | |
1340 | sk=s->session->ciphers; | |
f73e07cf | 1341 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1342 | { |
4f19a9cb DSH |
1343 | int n; |
1344 | ||
f73e07cf | 1345 | c=sk_SSL_CIPHER_value(sk,i); |
4f19a9cb DSH |
1346 | n=strlen(c->name); |
1347 | if (n+1 > len) | |
d02b48c6 | 1348 | { |
4f19a9cb DSH |
1349 | if (p != buf) |
1350 | --p; | |
1351 | *p='\0'; | |
1352 | return buf; | |
d02b48c6 | 1353 | } |
4f19a9cb DSH |
1354 | strcpy(p,c->name); |
1355 | p+=n; | |
d02b48c6 | 1356 | *(p++)=':'; |
4f19a9cb | 1357 | len-=n+1; |
d02b48c6 RE |
1358 | } |
1359 | p[-1]='\0'; | |
1360 | return(buf); | |
1361 | } | |
1362 | ||
c6c2e313 | 1363 | int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, |
52b8dad8 | 1364 | int (*put_cb)(const SSL_CIPHER *, unsigned char *)) |
d02b48c6 RE |
1365 | { |
1366 | int i,j=0; | |
1367 | SSL_CIPHER *c; | |
1368 | unsigned char *q; | |
a5224c34 | 1369 | #ifndef OPENSSL_NO_KRB5 |
52b8dad8 | 1370 | int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx); |
a5224c34 | 1371 | #endif /* OPENSSL_NO_KRB5 */ |
d02b48c6 RE |
1372 | |
1373 | if (sk == NULL) return(0); | |
1374 | q=p; | |
1375 | ||
f73e07cf | 1376 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1377 | { |
f73e07cf | 1378 | c=sk_SSL_CIPHER_value(sk,i); |
a5224c34 | 1379 | #ifndef OPENSSL_NO_KRB5 |
52b8dad8 BM |
1380 | if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) && |
1381 | nokrb5) | |
1382 | continue; | |
1383 | #endif /* OPENSSL_NO_KRB5 */ | |
ddac1974 NL |
1384 | #ifndef OPENSSL_NO_PSK |
1385 | /* with PSK there must be client callback set */ | |
52b8dad8 BM |
1386 | if (((c->algorithm_mkey & SSL_kPSK) || (c->algorithm_auth & SSL_aPSK)) && |
1387 | s->psk_client_callback == NULL) | |
ddac1974 NL |
1388 | continue; |
1389 | #endif /* OPENSSL_NO_PSK */ | |
c6c2e313 | 1390 | j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p); |
d02b48c6 RE |
1391 | p+=j; |
1392 | } | |
76998a71 | 1393 | /* If p == q, no ciphers and caller indicates an error. Otherwise |
423c66f1 | 1394 | * add SCSV if not renegotiating. |
13f6d57b | 1395 | */ |
bdd53508 | 1396 | if (p != q && !s->renegotiate) |
13f6d57b | 1397 | { |
73527122 | 1398 | static SSL_CIPHER scsv = |
13f6d57b | 1399 | { |
d6801576 | 1400 | 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0 |
13f6d57b | 1401 | }; |
73527122 | 1402 | j = put_cb ? put_cb(&scsv,p) : ssl_put_cipher_by_char(s,&scsv,p); |
13f6d57b DSH |
1403 | p+=j; |
1404 | #ifdef OPENSSL_RI_DEBUG | |
d6801576 | 1405 | fprintf(stderr, "SCSV sent by client\n"); |
13f6d57b DSH |
1406 | #endif |
1407 | } | |
1408 | ||
d02b48c6 RE |
1409 | return(p-q); |
1410 | } | |
1411 | ||
f73e07cf BL |
1412 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, |
1413 | STACK_OF(SSL_CIPHER) **skp) | |
d02b48c6 | 1414 | { |
babb3798 | 1415 | const SSL_CIPHER *c; |
f73e07cf | 1416 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 | 1417 | int i,n; |
a8640f0a DSH |
1418 | if (s->s3) |
1419 | s->s3->send_connection_binding = 0; | |
13f6d57b | 1420 | |
d02b48c6 RE |
1421 | n=ssl_put_cipher_by_char(s,NULL,NULL); |
1422 | if ((num%n) != 0) | |
1423 | { | |
1424 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); | |
1425 | return(NULL); | |
1426 | } | |
1427 | if ((skp == NULL) || (*skp == NULL)) | |
62324627 | 1428 | sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */ |
d02b48c6 RE |
1429 | else |
1430 | { | |
1431 | sk= *skp; | |
f73e07cf | 1432 | sk_SSL_CIPHER_zero(sk); |
d02b48c6 RE |
1433 | } |
1434 | ||
1435 | for (i=0; i<num; i+=n) | |
1436 | { | |
d6801576 | 1437 | /* Check for SCSV */ |
a8640f0a | 1438 | if (s->s3 && (n != 3 || !p[0]) && |
d6801576 DSH |
1439 | (p[n-2] == ((SSL3_CK_SCSV >> 8) & 0xff)) && |
1440 | (p[n-1] == (SSL3_CK_SCSV & 0xff))) | |
13f6d57b | 1441 | { |
76998a71 | 1442 | /* SCSV fatal if renegotiating */ |
bdd53508 | 1443 | if (s->renegotiate) |
76998a71 DSH |
1444 | { |
1445 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING); | |
1446 | ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE); | |
1447 | goto err; | |
1448 | } | |
13f6d57b DSH |
1449 | s->s3->send_connection_binding = 1; |
1450 | p += n; | |
1451 | #ifdef OPENSSL_RI_DEBUG | |
d6801576 | 1452 | fprintf(stderr, "SCSV received by server\n"); |
13f6d57b DSH |
1453 | #endif |
1454 | continue; | |
1455 | } | |
1456 | ||
d02b48c6 RE |
1457 | c=ssl_get_cipher_by_char(s,p); |
1458 | p+=n; | |
1459 | if (c != NULL) | |
1460 | { | |
f73e07cf | 1461 | if (!sk_SSL_CIPHER_push(sk,c)) |
d02b48c6 RE |
1462 | { |
1463 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE); | |
1464 | goto err; | |
1465 | } | |
1466 | } | |
1467 | } | |
1468 | ||
1469 | if (skp != NULL) | |
1470 | *skp=sk; | |
1471 | return(sk); | |
1472 | err: | |
1473 | if ((skp == NULL) || (*skp == NULL)) | |
f73e07cf | 1474 | sk_SSL_CIPHER_free(sk); |
d02b48c6 RE |
1475 | return(NULL); |
1476 | } | |
1477 | ||
f1fd4544 | 1478 | |
34449617 | 1479 | #ifndef OPENSSL_NO_TLSEXT |
52b8dad8 | 1480 | /** return a servername extension value if provided in Client Hello, or NULL. |
f1fd4544 | 1481 | * So far, only host_name types are defined (RFC 3546). |
ed3883d2 BM |
1482 | */ |
1483 | ||
f1fd4544 BM |
1484 | const char *SSL_get_servername(const SSL *s, const int type) |
1485 | { | |
1486 | if (type != TLSEXT_NAMETYPE_host_name) | |
ed3883d2 | 1487 | return NULL; |
a13c20f6 BM |
1488 | |
1489 | return s->session && !s->tlsext_hostname ? | |
f1fd4544 BM |
1490 | s->session->tlsext_hostname : |
1491 | s->tlsext_hostname; | |
1492 | } | |
ed3883d2 | 1493 | |
f1fd4544 BM |
1494 | int SSL_get_servername_type(const SSL *s) |
1495 | { | |
52b8dad8 | 1496 | if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname)) |
f1fd4544 | 1497 | return TLSEXT_NAMETYPE_host_name; |
ed3883d2 | 1498 | return -1; |
f1fd4544 | 1499 | } |
ee2ffc27 | 1500 | |
bf48836c | 1501 | # ifndef OPENSSL_NO_NEXTPROTONEG |
ee2ffc27 BL |
1502 | /* SSL_select_next_proto implements the standard protocol selection. It is |
1503 | * expected that this function is called from the callback set by | |
1504 | * SSL_CTX_set_next_proto_select_cb. | |
1505 | * | |
1506 | * The protocol data is assumed to be a vector of 8-bit, length prefixed byte | |
1507 | * strings. The length byte itself is not included in the length. A byte | |
1508 | * string of length 0 is invalid. No byte string may be truncated. | |
1509 | * | |
1510 | * The current, but experimental algorithm for selecting the protocol is: | |
1511 | * | |
1512 | * 1) If the server doesn't support NPN then this is indicated to the | |
1513 | * callback. In this case, the client application has to abort the connection | |
1514 | * or have a default application level protocol. | |
1515 | * | |
1516 | * 2) If the server supports NPN, but advertises an empty list then the | |
1517 | * client selects the first protcol in its list, but indicates via the | |
1518 | * API that this fallback case was enacted. | |
1519 | * | |
1520 | * 3) Otherwise, the client finds the first protocol in the server's list | |
1521 | * that it supports and selects this protocol. This is because it's | |
1522 | * assumed that the server has better information about which protocol | |
1523 | * a client should use. | |
1524 | * | |
1525 | * 4) If the client doesn't support any of the server's advertised | |
1526 | * protocols, then this is treated the same as case 2. | |
1527 | * | |
1528 | * It returns either | |
1529 | * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or | |
1530 | * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. | |
1531 | */ | |
1532 | int 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) | |
1533 | { | |
1534 | unsigned int i, j; | |
1535 | const unsigned char *result; | |
1536 | int status = OPENSSL_NPN_UNSUPPORTED; | |
1537 | ||
1538 | /* For each protocol in server preference order, see if we support it. */ | |
1539 | for (i = 0; i < server_len; ) | |
1540 | { | |
1541 | for (j = 0; j < client_len; ) | |
1542 | { | |
1543 | if (server[i] == client[j] && | |
1544 | memcmp(&server[i+1], &client[j+1], server[i]) == 0) | |
1545 | { | |
1546 | /* We found a match */ | |
1547 | result = &server[i]; | |
1548 | status = OPENSSL_NPN_NEGOTIATED; | |
1549 | goto found; | |
1550 | } | |
1551 | j += client[j]; | |
1552 | j++; | |
1553 | } | |
1554 | i += server[i]; | |
1555 | i++; | |
1556 | } | |
1557 | ||
1558 | /* There's no overlap between our protocols and the server's list. */ | |
1559 | result = client; | |
1560 | status = OPENSSL_NPN_NO_OVERLAP; | |
1561 | ||
1562 | found: | |
1563 | *out = (unsigned char *) result + 1; | |
1564 | *outlen = result[0]; | |
1565 | return status; | |
1566 | } | |
1567 | ||
1568 | /* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's | |
1569 | * requested protocol for this connection and returns 0. If the client didn't | |
1570 | * request any protocol, then *data is set to NULL. | |
1571 | * | |
1572 | * Note that the client can request any protocol it chooses. The value returned | |
1573 | * from this function need not be a member of the list of supported protocols | |
1574 | * provided by the callback. | |
1575 | */ | |
1576 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, unsigned *len) | |
1577 | { | |
1578 | *data = s->next_proto_negotiated; | |
1579 | if (!*data) { | |
1580 | *len = 0; | |
1581 | } else { | |
1582 | *len = s->next_proto_negotiated_len; | |
1583 | } | |
1584 | } | |
1585 | ||
1586 | /* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a | |
1587 | * TLS server needs a list of supported protocols for Next Protocol | |
1588 | * Negotiation. The returned list must be in wire format. The list is returned | |
1589 | * by setting |out| to point to it and |outlen| to its length. This memory will | |
1590 | * not be modified, but one should assume that the SSL* keeps a reference to | |
1591 | * it. | |
1592 | * | |
1593 | * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no | |
1594 | * such extension will be included in the ServerHello. */ | |
1595 | void 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) | |
1596 | { | |
1597 | ctx->next_protos_advertised_cb = cb; | |
1598 | ctx->next_protos_advertised_cb_arg = arg; | |
1599 | } | |
1600 | ||
1601 | /* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a | |
1602 | * client needs to select a protocol from the server's provided list. |out| | |
1603 | * must be set to point to the selected protocol (which may be within |in|). | |
1604 | * The length of the protocol name must be written into |outlen|. The server's | |
1605 | * advertised protocols are provided in |in| and |inlen|. The callback can | |
1606 | * assume that |in| is syntactically valid. | |
1607 | * | |
1608 | * The client must select a protocol. It is fatal to the connection if this | |
1609 | * callback returns a value other than SSL_TLSEXT_ERR_OK. | |
1610 | */ | |
1611 | void 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) | |
1612 | { | |
1613 | ctx->next_proto_select_cb = cb; | |
1614 | ctx->next_proto_select_cb_arg = arg; | |
1615 | } | |
1616 | ||
1617 | # endif | |
ed3883d2 | 1618 | #endif |
f1fd4544 | 1619 | |
3c1d6bbc | 1620 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
d02b48c6 RE |
1621 | { |
1622 | unsigned long l; | |
1623 | ||
dfeab068 RE |
1624 | l=(unsigned long) |
1625 | ((unsigned int) a->session_id[0] )| | |
1626 | ((unsigned int) a->session_id[1]<< 8L)| | |
1627 | ((unsigned long)a->session_id[2]<<16L)| | |
1628 | ((unsigned long)a->session_id[3]<<24L); | |
d02b48c6 RE |
1629 | return(l); |
1630 | } | |
1631 | ||
dc644fe2 GT |
1632 | /* NB: If this function (or indeed the hash function which uses a sort of |
1633 | * coarser function than this one) is changed, ensure | |
1634 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being | |
1635 | * able to construct an SSL_SESSION that will collide with any existing session | |
1636 | * with a matching session ID. */ | |
3c1d6bbc | 1637 | static int ssl_session_cmp(const SSL_SESSION *a,const SSL_SESSION *b) |
d02b48c6 | 1638 | { |
58964a49 RE |
1639 | if (a->ssl_version != b->ssl_version) |
1640 | return(1); | |
1641 | if (a->session_id_length != b->session_id_length) | |
1642 | return(1); | |
1643 | return(memcmp(a->session_id,b->session_id,a->session_id_length)); | |
d02b48c6 RE |
1644 | } |
1645 | ||
d0fa136c GT |
1646 | /* These wrapper functions should remain rather than redeclaring |
1647 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each | |
1648 | * variable. The reason is that the functions aren't static, they're exposed via | |
1649 | * ssl.h. */ | |
3c1d6bbc BL |
1650 | static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION) |
1651 | static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION) | |
97b17195 | 1652 | |
4ebb342f | 1653 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
d02b48c6 | 1654 | { |
dfeab068 | 1655 | SSL_CTX *ret=NULL; |
8671b898 | 1656 | |
d02b48c6 RE |
1657 | if (meth == NULL) |
1658 | { | |
1659 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED); | |
1660 | return(NULL); | |
1661 | } | |
dfeab068 RE |
1662 | |
1663 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) | |
1664 | { | |
1665 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
1666 | goto err; | |
1667 | } | |
26a3a48d | 1668 | ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX)); |
d02b48c6 RE |
1669 | if (ret == NULL) |
1670 | goto err; | |
1671 | ||
1672 | memset(ret,0,sizeof(SSL_CTX)); | |
1673 | ||
1674 | ret->method=meth; | |
1675 | ||
1676 | ret->cert_store=NULL; | |
1677 | ret->session_cache_mode=SSL_SESS_CACHE_SERVER; | |
58964a49 RE |
1678 | ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
1679 | ret->session_cache_head=NULL; | |
1680 | ret->session_cache_tail=NULL; | |
d02b48c6 RE |
1681 | |
1682 | /* We take the system default */ | |
1683 | ret->session_timeout=meth->get_timeout(); | |
1684 | ||
bf21446a BM |
1685 | ret->new_session_cb=0; |
1686 | ret->remove_session_cb=0; | |
1687 | ret->get_session_cb=0; | |
1688 | ret->generate_session_id=0; | |
d02b48c6 | 1689 | |
413c4f45 | 1690 | memset((char *)&ret->stats,0,sizeof(ret->stats)); |
d02b48c6 RE |
1691 | |
1692 | ret->references=1; | |
1693 | ret->quiet_shutdown=0; | |
1694 | ||
1695 | /* ret->cipher=NULL;*/ | |
1696 | /* ret->s2->challenge=NULL; | |
1697 | ret->master_key=NULL; | |
1698 | ret->key_arg=NULL; | |
1699 | ret->s2->conn_id=NULL; */ | |
1700 | ||
45d87a1f | 1701 | ret->info_callback=NULL; |
d02b48c6 | 1702 | |
bf21446a | 1703 | ret->app_verify_callback=0; |
d02b48c6 RE |
1704 | ret->app_verify_arg=NULL; |
1705 | ||
c0f5dd07 | 1706 | ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT; |
413c4f45 | 1707 | ret->read_ahead=0; |
bf21446a BM |
1708 | ret->msg_callback=0; |
1709 | ret->msg_callback_arg=NULL; | |
413c4f45 | 1710 | ret->verify_mode=SSL_VERIFY_NONE; |
5d7c222d | 1711 | #if 0 |
7f89714e | 1712 | ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */ |
5d7c222d | 1713 | #endif |
bf21446a | 1714 | ret->sid_ctx_length=0; |
d02b48c6 | 1715 | ret->default_verify_callback=NULL; |
ca8e5b9b | 1716 | if ((ret->cert=ssl_cert_new()) == NULL) |
d02b48c6 RE |
1717 | goto err; |
1718 | ||
bf21446a | 1719 | ret->default_passwd_callback=0; |
74678cc2 | 1720 | ret->default_passwd_callback_userdata=NULL; |
bf21446a | 1721 | ret->client_cert_cb=0; |
f0747cd9 NL |
1722 | ret->app_gen_cookie_cb=0; |
1723 | ret->app_verify_cookie_cb=0; | |
d02b48c6 | 1724 | |
3c1d6bbc | 1725 | ret->sessions=lh_SSL_SESSION_new(); |
d02b48c6 RE |
1726 | if (ret->sessions == NULL) goto err; |
1727 | ret->cert_store=X509_STORE_new(); | |
1728 | if (ret->cert_store == NULL) goto err; | |
1729 | ||
1730 | ssl_create_cipher_list(ret->method, | |
1731 | &ret->cipher_list,&ret->cipher_list_by_id, | |
b3f6fe91 | 1732 | meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST); |
f73e07cf BL |
1733 | if (ret->cipher_list == NULL |
1734 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) | |
d02b48c6 RE |
1735 | { |
1736 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS); | |
1737 | goto err2; | |
1738 | } | |
1739 | ||
5d7c222d DSH |
1740 | ret->param = X509_VERIFY_PARAM_new(); |
1741 | if (!ret->param) | |
1742 | goto err; | |
1743 | ||
58964a49 RE |
1744 | if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL) |
1745 | { | |
1746 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES); | |
1747 | goto err2; | |
1748 | } | |
1749 | if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL) | |
1750 | { | |
1751 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
1752 | goto err2; | |
1753 | } | |
1754 | if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL) | |
1755 | { | |
1756 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
1757 | goto err2; | |
1758 | } | |
1759 | ||
f73e07cf | 1760 | if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL) |
d02b48c6 RE |
1761 | goto err; |
1762 | ||
79aa04ef | 1763 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data); |
58964a49 | 1764 | |
dfeab068 | 1765 | ret->extra_certs=NULL; |
413c4f45 | 1766 | ret->comp_methods=SSL_COMP_get_compression_methods(); |
dfeab068 | 1767 | |
566dda07 DSH |
1768 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
1769 | ||
ed3883d2 | 1770 | #ifndef OPENSSL_NO_TLSEXT |
f1fd4544 | 1771 | ret->tlsext_servername_callback = 0; |
ed3883d2 | 1772 | ret->tlsext_servername_arg = NULL; |
6434abbf DSH |
1773 | /* Setup RFC4507 ticket keys */ |
1774 | if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0) | |
1775 | || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0) | |
1776 | || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0)) | |
1777 | ret->options |= SSL_OP_NO_TICKET; | |
1778 | ||
67c8e7f4 DSH |
1779 | ret->tlsext_status_cb = 0; |
1780 | ret->tlsext_status_arg = NULL; | |
1781 | ||
bf48836c | 1782 | # ifndef OPENSSL_NO_NEXTPROTONEG |
ee2ffc27 BL |
1783 | ret->next_protos_advertised_cb = 0; |
1784 | ret->next_proto_select_cb = 0; | |
1785 | # endif | |
ddac1974 NL |
1786 | #endif |
1787 | #ifndef OPENSSL_NO_PSK | |
1788 | ret->psk_identity_hint=NULL; | |
1789 | ret->psk_client_callback=NULL; | |
1790 | ret->psk_server_callback=NULL; | |
8671b898 | 1791 | #endif |
edc032b5 BL |
1792 | #ifndef OPENSSL_NO_SRP |
1793 | SSL_CTX_SRP_CTX_init(ret); | |
1794 | #endif | |
474b3b1c | 1795 | #ifndef OPENSSL_NO_BUF_FREELISTS |
8671b898 BL |
1796 | ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT; |
1797 | ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST)); | |
1798 | if (!ret->rbuf_freelist) | |
1799 | goto err; | |
1800 | ret->rbuf_freelist->chunklen = 0; | |
1801 | ret->rbuf_freelist->len = 0; | |
1802 | ret->rbuf_freelist->head = NULL; | |
1803 | ret->wbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST)); | |
1804 | if (!ret->wbuf_freelist) | |
1805 | { | |
1806 | OPENSSL_free(ret->rbuf_freelist); | |
1807 | goto err; | |
1808 | } | |
1809 | ret->wbuf_freelist->chunklen = 0; | |
1810 | ret->wbuf_freelist->len = 0; | |
1811 | ret->wbuf_freelist->head = NULL; | |
ed3883d2 | 1812 | #endif |
4db9677b DSH |
1813 | #ifndef OPENSSL_NO_ENGINE |
1814 | ret->client_cert_engine = NULL; | |
1815 | #ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO | |
1816 | #define eng_strx(x) #x | |
1817 | #define eng_str(x) eng_strx(x) | |
1818 | /* Use specific client engine automatically... ignore errors */ | |
1819 | { | |
1820 | ENGINE *eng; | |
1821 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
7555c933 DSH |
1822 | if (!eng) |
1823 | { | |
1824 | ERR_clear_error(); | |
1825 | ENGINE_load_builtin_engines(); | |
1826 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
1827 | } | |
4db9677b DSH |
1828 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) |
1829 | ERR_clear_error(); | |
1830 | } | |
1831 | #endif | |
1832 | #endif | |
ef51b4b9 DSH |
1833 | /* Default is to connect to non-RI servers. When RI is more widely |
1834 | * deployed might change this. | |
1835 | */ | |
75121411 | 1836 | ret->options |= SSL_OP_LEGACY_SERVER_CONNECT; |
7409d7ad DSH |
1837 | /* Disable TLS v1.2 by default for now */ |
1838 | ret->options |= SSL_OP_NO_TLSv1_2; | |
4db9677b | 1839 | |
d02b48c6 RE |
1840 | return(ret); |
1841 | err: | |
1842 | SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE); | |
1843 | err2: | |
1844 | if (ret != NULL) SSL_CTX_free(ret); | |
1845 | return(NULL); | |
1846 | } | |
1847 | ||
0826c85f | 1848 | #if 0 |
f73e07cf | 1849 | static void SSL_COMP_free(SSL_COMP *comp) |
26a3a48d | 1850 | { OPENSSL_free(comp); } |
0826c85f | 1851 | #endif |
f73e07cf | 1852 | |
474b3b1c | 1853 | #ifndef OPENSSL_NO_BUF_FREELISTS |
8671b898 BL |
1854 | static void |
1855 | ssl_buf_freelist_free(SSL3_BUF_FREELIST *list) | |
1856 | { | |
1857 | SSL3_BUF_FREELIST_ENTRY *ent, *next; | |
1858 | for (ent = list->head; ent; ent = next) | |
1859 | { | |
1860 | next = ent->next; | |
1861 | OPENSSL_free(ent); | |
1862 | } | |
1863 | OPENSSL_free(list); | |
1864 | } | |
1865 | #endif | |
1866 | ||
4f43d0e7 | 1867 | void SSL_CTX_free(SSL_CTX *a) |
d02b48c6 RE |
1868 | { |
1869 | int i; | |
1870 | ||
1871 | if (a == NULL) return; | |
1872 | ||
1873 | i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX); | |
58964a49 RE |
1874 | #ifdef REF_PRINT |
1875 | REF_PRINT("SSL_CTX",a); | |
1876 | #endif | |
d02b48c6 RE |
1877 | if (i > 0) return; |
1878 | #ifdef REF_CHECK | |
1879 | if (i < 0) | |
1880 | { | |
1881 | fprintf(stderr,"SSL_CTX_free, bad reference count\n"); | |
1882 | abort(); /* ok */ | |
1883 | } | |
1884 | #endif | |
1885 | ||
5d7c222d DSH |
1886 | if (a->param) |
1887 | X509_VERIFY_PARAM_free(a->param); | |
1888 | ||
82a20fb0 LJ |
1889 | /* |
1890 | * Free internal session cache. However: the remove_cb() may reference | |
1891 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
1892 | * after the sessions were flushed. | |
1893 | * As the ex_data handling routines might also touch the session cache, | |
1894 | * the most secure solution seems to be: empty (flush) the cache, then | |
1895 | * free ex_data, then finally free the cache. | |
1896 | * (See ticket [openssl.org #212].) | |
1897 | */ | |
d02b48c6 | 1898 | if (a->sessions != NULL) |
d02b48c6 | 1899 | SSL_CTX_flush_sessions(a,0); |
82a20fb0 LJ |
1900 | |
1901 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
1902 | ||
1903 | if (a->sessions != NULL) | |
3c1d6bbc | 1904 | lh_SSL_SESSION_free(a->sessions); |
82a20fb0 | 1905 | |
d02b48c6 RE |
1906 | if (a->cert_store != NULL) |
1907 | X509_STORE_free(a->cert_store); | |
1908 | if (a->cipher_list != NULL) | |
f73e07cf | 1909 | sk_SSL_CIPHER_free(a->cipher_list); |
d02b48c6 | 1910 | if (a->cipher_list_by_id != NULL) |
f73e07cf | 1911 | sk_SSL_CIPHER_free(a->cipher_list_by_id); |
ca8e5b9b BM |
1912 | if (a->cert != NULL) |
1913 | ssl_cert_free(a->cert); | |
d02b48c6 | 1914 | if (a->client_CA != NULL) |
f73e07cf | 1915 | sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free); |
dfeab068 | 1916 | if (a->extra_certs != NULL) |
f73e07cf | 1917 | sk_X509_pop_free(a->extra_certs,X509_free); |
cd9b7d7c | 1918 | #if 0 /* This should never be done, since it removes a global database */ |
413c4f45 | 1919 | if (a->comp_methods != NULL) |
f73e07cf | 1920 | sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free); |
cd9b7d7c RL |
1921 | #else |
1922 | a->comp_methods = NULL; | |
1923 | #endif | |
ddac1974 NL |
1924 | |
1925 | #ifndef OPENSSL_NO_PSK | |
1926 | if (a->psk_identity_hint) | |
1927 | OPENSSL_free(a->psk_identity_hint); | |
bdfe932d | 1928 | #endif |
edc032b5 BL |
1929 | #ifndef OPENSSL_NO_SRP |
1930 | SSL_CTX_SRP_CTX_free(a); | |
1931 | #endif | |
bdfe932d DSH |
1932 | #ifndef OPENSSL_NO_ENGINE |
1933 | if (a->client_cert_engine) | |
1934 | ENGINE_finish(a->client_cert_engine); | |
ddac1974 | 1935 | #endif |
8671b898 | 1936 | |
474b3b1c | 1937 | #ifndef OPENSSL_NO_BUF_FREELISTS |
8671b898 BL |
1938 | if (a->wbuf_freelist) |
1939 | ssl_buf_freelist_free(a->wbuf_freelist); | |
1940 | if (a->rbuf_freelist) | |
1941 | ssl_buf_freelist_free(a->rbuf_freelist); | |
1942 | #endif | |
1943 | ||
26a3a48d | 1944 | OPENSSL_free(a); |
d02b48c6 RE |
1945 | } |
1946 | ||
3ae76679 | 1947 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
d02b48c6 RE |
1948 | { |
1949 | ctx->default_passwd_callback=cb; | |
1950 | } | |
1951 | ||
74678cc2 BM |
1952 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u) |
1953 | { | |
1954 | ctx->default_passwd_callback_userdata=u; | |
1955 | } | |
1956 | ||
023ec151 | 1957 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg) |
d02b48c6 RE |
1958 | { |
1959 | ctx->app_verify_callback=cb; | |
023ec151 | 1960 | ctx->app_verify_arg=arg; |
d02b48c6 RE |
1961 | } |
1962 | ||
4f43d0e7 | 1963 | void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *)) |
d02b48c6 | 1964 | { |
413c4f45 | 1965 | ctx->verify_mode=mode; |
d02b48c6 | 1966 | ctx->default_verify_callback=cb; |
d02b48c6 RE |
1967 | } |
1968 | ||
7f89714e BM |
1969 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth) |
1970 | { | |
5d7c222d | 1971 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); |
7f89714e BM |
1972 | } |
1973 | ||
babb3798 | 1974 | void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher) |
d02b48c6 RE |
1975 | { |
1976 | CERT_PKEY *cpk; | |
1977 | int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign; | |
1978 | int rsa_enc_export,dh_rsa_export,dh_dsa_export; | |
60e31c3a | 1979 | int rsa_tmp_export,dh_tmp_export,kl; |
52b8dad8 | 1980 | unsigned long mask_k,mask_a,emask_k,emask_a; |
3eeaab4b NL |
1981 | int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size; |
1982 | #ifndef OPENSSL_NO_ECDH | |
1983 | int have_ecdh_tmp; | |
1984 | #endif | |
ea262260 BM |
1985 | X509 *x = NULL; |
1986 | EVP_PKEY *ecc_pkey = NULL; | |
1987 | int signature_nid = 0; | |
d02b48c6 | 1988 | |
f415fa32 | 1989 | if (c == NULL) return; |
d02b48c6 | 1990 | |
60e31c3a BL |
1991 | kl=SSL_C_EXPORT_PKEYLENGTH(cipher); |
1992 | ||
bc36ee62 | 1993 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
1994 | rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); |
1995 | rsa_tmp_export=(c->rsa_tmp_cb != NULL || | |
60e31c3a | 1996 | (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl)); |
d02b48c6 RE |
1997 | #else |
1998 | rsa_tmp=rsa_tmp_export=0; | |
1999 | #endif | |
bc36ee62 | 2000 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
2001 | dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL); |
2002 | dh_tmp_export=(c->dh_tmp_cb != NULL || | |
60e31c3a | 2003 | (dh_tmp && DH_size(c->dh_tmp)*8 <= kl)); |
d02b48c6 RE |
2004 | #else |
2005 | dh_tmp=dh_tmp_export=0; | |
2006 | #endif | |
2007 | ||
ea262260 BM |
2008 | #ifndef OPENSSL_NO_ECDH |
2009 | have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL); | |
2010 | #endif | |
d02b48c6 | 2011 | cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]); |
60e31c3a BL |
2012 | rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL); |
2013 | rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 | 2014 | cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]); |
60e31c3a | 2015 | rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 2016 | cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]); |
60e31c3a | 2017 | dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 2018 | cpk= &(c->pkeys[SSL_PKEY_DH_RSA]); |
60e31c3a BL |
2019 | dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
2020 | dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
2021 | cpk= &(c->pkeys[SSL_PKEY_DH_DSA]); |
2022 | /* FIX THIS EAY EAY EAY */ | |
60e31c3a BL |
2023 | dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
2024 | dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
ea262260 BM |
2025 | cpk= &(c->pkeys[SSL_PKEY_ECC]); |
2026 | have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL); | |
52b8dad8 BM |
2027 | mask_k=0; |
2028 | mask_a=0; | |
2029 | emask_k=0; | |
2030 | emask_a=0; | |
d02b48c6 | 2031 | |
0e1dba93 DSH |
2032 | |
2033 | ||
d02b48c6 | 2034 | #ifdef CIPHER_DEBUG |
076944d9 | 2035 | printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", |
2afe3167 | 2036 | rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp, |
f415fa32 | 2037 | rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa); |
d02b48c6 | 2038 | #endif |
0e1dba93 DSH |
2039 | |
2040 | cpk = &(c->pkeys[SSL_PKEY_GOST01]); | |
2041 | if (cpk->x509 != NULL && cpk->privatekey !=NULL) { | |
2042 | mask_k |= SSL_kGOST; | |
2043 | mask_a |= SSL_aGOST01; | |
2044 | } | |
2045 | cpk = &(c->pkeys[SSL_PKEY_GOST94]); | |
2046 | if (cpk->x509 != NULL && cpk->privatekey !=NULL) { | |
2047 | mask_k |= SSL_kGOST; | |
2048 | mask_a |= SSL_aGOST94; | |
2049 | } | |
d02b48c6 RE |
2050 | |
2051 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
52b8dad8 | 2052 | mask_k|=SSL_kRSA; |
f415fa32 | 2053 | if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) |
52b8dad8 | 2054 | emask_k|=SSL_kRSA; |
d02b48c6 RE |
2055 | |
2056 | #if 0 | |
2057 | /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */ | |
52b8dad8 | 2058 | if ( (dh_tmp || dh_rsa || dh_dsa) && |
d02b48c6 | 2059 | (rsa_enc || rsa_sign || dsa_sign)) |
52b8dad8 | 2060 | mask_k|=SSL_kEDH; |
d02b48c6 RE |
2061 | if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) && |
2062 | (rsa_enc || rsa_sign || dsa_sign)) | |
52b8dad8 | 2063 | emask_k|=SSL_kEDH; |
d02b48c6 RE |
2064 | #endif |
2065 | ||
52b8dad8 BM |
2066 | if (dh_tmp_export) |
2067 | emask_k|=SSL_kEDH; | |
d02b48c6 RE |
2068 | |
2069 | if (dh_tmp) | |
52b8dad8 | 2070 | mask_k|=SSL_kEDH; |
d02b48c6 | 2071 | |
52b8dad8 BM |
2072 | if (dh_rsa) mask_k|=SSL_kDHr; |
2073 | if (dh_rsa_export) emask_k|=SSL_kDHr; | |
d02b48c6 | 2074 | |
52b8dad8 BM |
2075 | if (dh_dsa) mask_k|=SSL_kDHd; |
2076 | if (dh_dsa_export) emask_k|=SSL_kDHd; | |
d02b48c6 RE |
2077 | |
2078 | if (rsa_enc || rsa_sign) | |
2079 | { | |
52b8dad8 BM |
2080 | mask_a|=SSL_aRSA; |
2081 | emask_a|=SSL_aRSA; | |
d02b48c6 RE |
2082 | } |
2083 | ||
2084 | if (dsa_sign) | |
2085 | { | |
52b8dad8 BM |
2086 | mask_a|=SSL_aDSS; |
2087 | emask_a|=SSL_aDSS; | |
d02b48c6 RE |
2088 | } |
2089 | ||
52b8dad8 BM |
2090 | mask_a|=SSL_aNULL; |
2091 | emask_a|=SSL_aNULL; | |
d02b48c6 | 2092 | |
bc36ee62 | 2093 | #ifndef OPENSSL_NO_KRB5 |
52b8dad8 BM |
2094 | mask_k|=SSL_kKRB5; |
2095 | mask_a|=SSL_aKRB5; | |
2096 | emask_k|=SSL_kKRB5; | |
2097 | emask_a|=SSL_aKRB5; | |
f9b3bff6 RL |
2098 | #endif |
2099 | ||
ea262260 BM |
2100 | /* An ECC certificate may be usable for ECDH and/or |
2101 | * ECDSA cipher suites depending on the key usage extension. | |
2102 | */ | |
2103 | if (have_ecc_cert) | |
2104 | { | |
52b8dad8 | 2105 | /* This call populates extension flags (ex_flags) */ |
ea262260 BM |
2106 | x = (c->pkeys[SSL_PKEY_ECC]).x509; |
2107 | X509_check_purpose(x, -1, 0); | |
2108 | ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ? | |
2109 | (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1; | |
2110 | ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ? | |
2111 | (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1; | |
2112 | ecc_pkey = X509_get_pubkey(x); | |
52b8dad8 | 2113 | ecc_pkey_size = (ecc_pkey != NULL) ? |
ea262260 BM |
2114 | EVP_PKEY_bits(ecc_pkey) : 0; |
2115 | EVP_PKEY_free(ecc_pkey); | |
2116 | if ((x->sig_alg) && (x->sig_alg->algorithm)) | |
2117 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
2118 | #ifndef OPENSSL_NO_ECDH | |
2119 | if (ecdh_ok) | |
2120 | { | |
076944d9 BM |
2121 | const char *sig = OBJ_nid2ln(signature_nid); |
2122 | if (sig == NULL) | |
2123 | { | |
2124 | ERR_clear_error(); | |
2125 | sig = "unknown"; | |
2126 | } | |
2127 | ||
2128 | if (strstr(sig, "WithRSA")) | |
ea262260 | 2129 | { |
52b8dad8 BM |
2130 | mask_k|=SSL_kECDHr; |
2131 | mask_a|=SSL_aECDH; | |
ea262260 | 2132 | if (ecc_pkey_size <= 163) |
52b8dad8 BM |
2133 | { |
2134 | emask_k|=SSL_kECDHr; | |
2135 | emask_a|=SSL_aECDH; | |
2136 | } | |
ea262260 | 2137 | } |
076944d9 | 2138 | |
ea262260 BM |
2139 | if (signature_nid == NID_ecdsa_with_SHA1) |
2140 | { | |
52b8dad8 BM |
2141 | mask_k|=SSL_kECDHe; |
2142 | mask_a|=SSL_aECDH; | |
ea262260 | 2143 | if (ecc_pkey_size <= 163) |
52b8dad8 BM |
2144 | { |
2145 | emask_k|=SSL_kECDHe; | |
2146 | emask_a|=SSL_aECDH; | |
2147 | } | |
ea262260 BM |
2148 | } |
2149 | } | |
2150 | #endif | |
2151 | #ifndef OPENSSL_NO_ECDSA | |
2152 | if (ecdsa_ok) | |
2153 | { | |
52b8dad8 BM |
2154 | mask_a|=SSL_aECDSA; |
2155 | emask_a|=SSL_aECDSA; | |
ea262260 BM |
2156 | } |
2157 | #endif | |
2158 | } | |
2159 | ||
2160 | #ifndef OPENSSL_NO_ECDH | |
2161 | if (have_ecdh_tmp) | |
2162 | { | |
52b8dad8 BM |
2163 | mask_k|=SSL_kEECDH; |
2164 | emask_k|=SSL_kEECDH; | |
ea262260 BM |
2165 | } |
2166 | #endif | |
ddac1974 NL |
2167 | |
2168 | #ifndef OPENSSL_NO_PSK | |
52b8dad8 BM |
2169 | mask_k |= SSL_kPSK; |
2170 | mask_a |= SSL_aPSK; | |
2171 | emask_k |= SSL_kPSK; | |
2172 | emask_a |= SSL_aPSK; | |
ddac1974 NL |
2173 | #endif |
2174 | ||
52b8dad8 BM |
2175 | c->mask_k=mask_k; |
2176 | c->mask_a=mask_a; | |
2177 | c->export_mask_k=emask_k; | |
2178 | c->export_mask_a=emask_a; | |
d02b48c6 RE |
2179 | c->valid=1; |
2180 | } | |
2181 | ||
ea262260 BM |
2182 | /* This handy macro borrowed from crypto/x509v3/v3_purp.c */ |
2183 | #define ku_reject(x, usage) \ | |
2184 | (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage))) | |
2185 | ||
ef236ec3 DSH |
2186 | #ifndef OPENSSL_NO_EC |
2187 | ||
a2f9200f | 2188 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s) |
ea262260 | 2189 | { |
52b8dad8 | 2190 | unsigned long alg_k, alg_a; |
ea262260 BM |
2191 | EVP_PKEY *pkey = NULL; |
2192 | int keysize = 0; | |
2193 | int signature_nid = 0; | |
a2f9200f | 2194 | const SSL_CIPHER *cs = s->s3->tmp.new_cipher; |
ea262260 | 2195 | |
52b8dad8 BM |
2196 | alg_k = cs->algorithm_mkey; |
2197 | alg_a = cs->algorithm_auth; | |
2198 | ||
ea262260 BM |
2199 | if (SSL_C_IS_EXPORT(cs)) |
2200 | { | |
2201 | /* ECDH key length in export ciphers must be <= 163 bits */ | |
2202 | pkey = X509_get_pubkey(x); | |
2203 | if (pkey == NULL) return 0; | |
2204 | keysize = EVP_PKEY_bits(pkey); | |
2205 | EVP_PKEY_free(pkey); | |
2206 | if (keysize > 163) return 0; | |
2207 | } | |
2208 | ||
2209 | /* This call populates the ex_flags field correctly */ | |
2210 | X509_check_purpose(x, -1, 0); | |
2211 | if ((x->sig_alg) && (x->sig_alg->algorithm)) | |
2212 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
52b8dad8 | 2213 | if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr) |
ea262260 BM |
2214 | { |
2215 | /* key usage, if present, must allow key agreement */ | |
2216 | if (ku_reject(x, X509v3_KU_KEY_AGREEMENT)) | |
2217 | { | |
ed3ecd80 | 2218 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT); |
ea262260 BM |
2219 | return 0; |
2220 | } | |
a2f9200f | 2221 | if ((alg_k & SSL_kECDHe) && s->version < TLS1_2_VERSION) |
ea262260 BM |
2222 | { |
2223 | /* signature alg must be ECDSA */ | |
2224 | if (signature_nid != NID_ecdsa_with_SHA1) | |
2225 | { | |
ed3ecd80 | 2226 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE); |
ea262260 BM |
2227 | return 0; |
2228 | } | |
2229 | } | |
a2f9200f | 2230 | if ((alg_k & SSL_kECDHr) && s->version < TLS1_2_VERSION) |
ea262260 BM |
2231 | { |
2232 | /* signature alg must be RSA */ | |
076944d9 BM |
2233 | |
2234 | const char *sig = OBJ_nid2ln(signature_nid); | |
2235 | if (sig == NULL) | |
ea262260 | 2236 | { |
076944d9 BM |
2237 | ERR_clear_error(); |
2238 | sig = "unknown"; | |
ea262260 | 2239 | } |
076944d9 | 2240 | if (strstr(sig, "WithRSA") == NULL) |
ed3ecd80 BM |
2241 | { |
2242 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE); | |
076944d9 | 2243 | return 0; |
ed3ecd80 | 2244 | } |
ea262260 | 2245 | } |
52b8dad8 BM |
2246 | } |
2247 | if (alg_a & SSL_aECDSA) | |
ea262260 BM |
2248 | { |
2249 | /* key usage, if present, must allow signing */ | |
2250 | if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE)) | |
2251 | { | |
ed3ecd80 | 2252 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_SIGNING); |
ea262260 BM |
2253 | return 0; |
2254 | } | |
2255 | } | |
2256 | ||
2257 | return 1; /* all checks are ok */ | |
2258 | } | |
2259 | ||
ef236ec3 DSH |
2260 | #endif |
2261 | ||
d02b48c6 | 2262 | /* THIS NEEDS CLEANING UP */ |
4f43d0e7 | 2263 | X509 *ssl_get_server_send_cert(SSL *s) |
d02b48c6 | 2264 | { |
c8bbd98a | 2265 | unsigned long alg_k,alg_a; |
d02b48c6 | 2266 | CERT *c; |
c8bbd98a | 2267 | int i; |
d02b48c6 RE |
2268 | |
2269 | c=s->cert; | |
ca8e5b9b | 2270 | ssl_set_cert_masks(c, s->s3->tmp.new_cipher); |
52b8dad8 BM |
2271 | |
2272 | alg_k = s->s3->tmp.new_cipher->algorithm_mkey; | |
2273 | alg_a = s->s3->tmp.new_cipher->algorithm_auth; | |
d02b48c6 | 2274 | |
882d29dd | 2275 | if (alg_k & (SSL_kECDHr|SSL_kECDHe)) |
ea262260 | 2276 | { |
89bbe14c | 2277 | /* we don't need to look at SSL_kEECDH |
ea262260 BM |
2278 | * since no certificate is needed for |
2279 | * anon ECDH and for authenticated | |
89bbe14c | 2280 | * EECDH, the check for the auth |
ea262260 BM |
2281 | * algorithm will set i correctly |
2282 | * NOTE: For ECDH-RSA, we need an ECC | |
89bbe14c | 2283 | * not an RSA cert but for EECDH-RSA |
ea262260 BM |
2284 | * we need an RSA cert. Placing the |
2285 | * checks for SSL_kECDH before RSA | |
2286 | * checks ensures the correct cert is chosen. | |
2287 | */ | |
2288 | i=SSL_PKEY_ECC; | |
2289 | } | |
52b8dad8 | 2290 | else if (alg_a & SSL_aECDSA) |
ea262260 BM |
2291 | { |
2292 | i=SSL_PKEY_ECC; | |
2293 | } | |
52b8dad8 | 2294 | else if (alg_k & SSL_kDHr) |
d02b48c6 | 2295 | i=SSL_PKEY_DH_RSA; |
52b8dad8 | 2296 | else if (alg_k & SSL_kDHd) |
d02b48c6 | 2297 | i=SSL_PKEY_DH_DSA; |
52b8dad8 | 2298 | else if (alg_a & SSL_aDSS) |
d02b48c6 | 2299 | i=SSL_PKEY_DSA_SIGN; |
52b8dad8 | 2300 | else if (alg_a & SSL_aRSA) |
d02b48c6 RE |
2301 | { |
2302 | if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL) | |
2303 | i=SSL_PKEY_RSA_SIGN; | |
2304 | else | |
2305 | i=SSL_PKEY_RSA_ENC; | |
2306 | } | |
52b8dad8 | 2307 | else if (alg_a & SSL_aKRB5) |
f9b3bff6 RL |
2308 | { |
2309 | /* VRS something else here? */ | |
2310 | return(NULL); | |
2311 | } | |
0e1dba93 DSH |
2312 | else if (alg_a & SSL_aGOST94) |
2313 | i=SSL_PKEY_GOST94; | |
2314 | else if (alg_a & SSL_aGOST01) | |
2315 | i=SSL_PKEY_GOST01; | |
52b8dad8 | 2316 | else /* if (alg_a & SSL_aNULL) */ |
d02b48c6 | 2317 | { |
5277d7cb | 2318 | SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
2319 | return(NULL); |
2320 | } | |
2321 | if (c->pkeys[i].x509 == NULL) return(NULL); | |
ea262260 | 2322 | |
d02b48c6 RE |
2323 | return(c->pkeys[i].x509); |
2324 | } | |
2325 | ||
6b7be581 | 2326 | EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher, const EVP_MD **pmd) |
d02b48c6 | 2327 | { |
52b8dad8 | 2328 | unsigned long alg_a; |
d02b48c6 | 2329 | CERT *c; |
6b7be581 | 2330 | int idx = -1; |
d02b48c6 | 2331 | |
52b8dad8 | 2332 | alg_a = cipher->algorithm_auth; |
d02b48c6 RE |
2333 | c=s->cert; |
2334 | ||
52b8dad8 | 2335 | if ((alg_a & SSL_aDSS) && |
d02b48c6 | 2336 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) |
6b7be581 | 2337 | idx = SSL_PKEY_DSA_SIGN; |
52b8dad8 | 2338 | else if (alg_a & SSL_aRSA) |
d02b48c6 RE |
2339 | { |
2340 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
6b7be581 | 2341 | idx = SSL_PKEY_RSA_SIGN; |
d02b48c6 | 2342 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) |
6b7be581 | 2343 | idx = SSL_PKEY_RSA_ENC; |
d02b48c6 | 2344 | } |
52b8dad8 | 2345 | else if ((alg_a & SSL_aECDSA) && |
ea262260 | 2346 | (c->pkeys[SSL_PKEY_ECC].privatekey != NULL)) |
6b7be581 DSH |
2347 | idx = SSL_PKEY_ECC; |
2348 | if (idx == -1) | |
d02b48c6 | 2349 | { |
5277d7cb | 2350 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
2351 | return(NULL); |
2352 | } | |
6b7be581 DSH |
2353 | if (pmd) |
2354 | *pmd = c->pkeys[idx].digest; | |
2355 | return c->pkeys[idx].privatekey; | |
d02b48c6 RE |
2356 | } |
2357 | ||
4f43d0e7 | 2358 | void ssl_update_cache(SSL *s,int mode) |
d02b48c6 | 2359 | { |
58964a49 RE |
2360 | int i; |
2361 | ||
2362 | /* If the session_id_length is 0, we are not supposed to cache it, | |
2363 | * and it would be rather hard to do anyway :-) */ | |
2364 | if (s->session->session_id_length == 0) return; | |
2365 | ||
a13c20f6 | 2366 | i=s->session_ctx->session_cache_mode; |
4de920c9 | 2367 | if ((i & mode) && (!s->hit) |
e0db2eed | 2368 | && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) |
a13c20f6 BM |
2369 | || SSL_CTX_add_session(s->session_ctx,s->session)) |
2370 | && (s->session_ctx->new_session_cb != NULL)) | |
d02b48c6 | 2371 | { |
58964a49 | 2372 | CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION); |
a13c20f6 | 2373 | if (!s->session_ctx->new_session_cb(s,s->session)) |
d02b48c6 RE |
2374 | SSL_SESSION_free(s->session); |
2375 | } | |
2376 | ||
2377 | /* auto flush every 255 connections */ | |
58964a49 RE |
2378 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && |
2379 | ((i & mode) == mode)) | |
2380 | { | |
2381 | if ( (((mode & SSL_SESS_CACHE_CLIENT) | |
a13c20f6 BM |
2382 | ?s->session_ctx->stats.sess_connect_good |
2383 | :s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff) | |
58964a49 | 2384 | { |
a13c20f6 | 2385 | SSL_CTX_flush_sessions(s->session_ctx,(unsigned long)time(NULL)); |
58964a49 RE |
2386 | } |
2387 | } | |
d02b48c6 RE |
2388 | } |
2389 | ||
4ebb342f | 2390 | const SSL_METHOD *SSL_get_ssl_method(SSL *s) |
d02b48c6 RE |
2391 | { |
2392 | return(s->method); | |
2393 | } | |
2394 | ||
4ebb342f | 2395 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
d02b48c6 RE |
2396 | { |
2397 | int conn= -1; | |
2398 | int ret=1; | |
2399 | ||
2400 | if (s->method != meth) | |
2401 | { | |
2402 | if (s->handshake_func != NULL) | |
2403 | conn=(s->handshake_func == s->method->ssl_connect); | |
2404 | ||
2405 | if (s->method->version == meth->version) | |
2406 | s->method=meth; | |
2407 | else | |
2408 | { | |
2409 | s->method->ssl_free(s); | |
2410 | s->method=meth; | |
2411 | ret=s->method->ssl_new(s); | |
2412 | } | |
2413 | ||
2414 | if (conn == 1) | |
2415 | s->handshake_func=meth->ssl_connect; | |
2416 | else if (conn == 0) | |
2417 | s->handshake_func=meth->ssl_accept; | |
2418 | } | |
2419 | return(ret); | |
2420 | } | |
2421 | ||
0821bcd4 | 2422 | int SSL_get_error(const SSL *s,int i) |
d02b48c6 RE |
2423 | { |
2424 | int reason; | |
413c4f45 | 2425 | unsigned long l; |
d02b48c6 RE |
2426 | BIO *bio; |
2427 | ||
2428 | if (i > 0) return(SSL_ERROR_NONE); | |
2429 | ||
413c4f45 MC |
2430 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake |
2431 | * etc, where we do encode the error */ | |
2432 | if ((l=ERR_peek_error()) != 0) | |
2433 | { | |
2434 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
2435 | return(SSL_ERROR_SYSCALL); | |
2436 | else | |
2437 | return(SSL_ERROR_SSL); | |
2438 | } | |
d02b48c6 RE |
2439 | |
2440 | if ((i < 0) && SSL_want_read(s)) | |
2441 | { | |
2442 | bio=SSL_get_rbio(s); | |
2443 | if (BIO_should_read(bio)) | |
2444 | return(SSL_ERROR_WANT_READ); | |
2445 | else if (BIO_should_write(bio)) | |
3a66e306 BM |
2446 | /* This one doesn't make too much sense ... We never try |
2447 | * to write to the rbio, and an application program where | |
2448 | * rbio and wbio are separate couldn't even know what it | |
2449 | * should wait for. | |
2450 | * However if we ever set s->rwstate incorrectly | |
2451 | * (so that we have SSL_want_read(s) instead of | |
2452 | * SSL_want_write(s)) and rbio and wbio *are* the same, | |
2453 | * this test works around that bug; so it might be safer | |
2454 | * to keep it. */ | |
d02b48c6 RE |
2455 | return(SSL_ERROR_WANT_WRITE); |
2456 | else if (BIO_should_io_special(bio)) | |
2457 | { | |
2458 | reason=BIO_get_retry_reason(bio); | |
2459 | if (reason == BIO_RR_CONNECT) | |
2460 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
2461 | else if (reason == BIO_RR_ACCEPT) |
2462 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
2463 | else |
2464 | return(SSL_ERROR_SYSCALL); /* unknown */ | |
2465 | } | |
2466 | } | |
2467 | ||
2468 | if ((i < 0) && SSL_want_write(s)) | |
2469 | { | |
2470 | bio=SSL_get_wbio(s); | |
2471 | if (BIO_should_write(bio)) | |
2472 | return(SSL_ERROR_WANT_WRITE); | |
2473 | else if (BIO_should_read(bio)) | |
3a66e306 | 2474 | /* See above (SSL_want_read(s) with BIO_should_write(bio)) */ |
d02b48c6 RE |
2475 | return(SSL_ERROR_WANT_READ); |
2476 | else if (BIO_should_io_special(bio)) | |
2477 | { | |
2478 | reason=BIO_get_retry_reason(bio); | |
2479 | if (reason == BIO_RR_CONNECT) | |
2480 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
2481 | else if (reason == BIO_RR_ACCEPT) |
2482 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
2483 | else |
2484 | return(SSL_ERROR_SYSCALL); | |
2485 | } | |
2486 | } | |
2487 | if ((i < 0) && SSL_want_x509_lookup(s)) | |
2488 | { | |
2489 | return(SSL_ERROR_WANT_X509_LOOKUP); | |
2490 | } | |
2491 | ||
2492 | if (i == 0) | |
2493 | { | |
58964a49 | 2494 | if (s->version == SSL2_VERSION) |
d02b48c6 RE |
2495 | { |
2496 | /* assume it is the socket being closed */ | |
2497 | return(SSL_ERROR_ZERO_RETURN); | |
2498 | } | |
2499 | else | |
2500 | { | |
2501 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
58964a49 | 2502 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) |
d02b48c6 RE |
2503 | return(SSL_ERROR_ZERO_RETURN); |
2504 | } | |
2505 | } | |
2506 | return(SSL_ERROR_SYSCALL); | |
2507 | } | |
2508 | ||
4f43d0e7 | 2509 | int SSL_do_handshake(SSL *s) |
d02b48c6 | 2510 | { |
58964a49 RE |
2511 | int ret=1; |
2512 | ||
d02b48c6 RE |
2513 | if (s->handshake_func == NULL) |
2514 | { | |
58964a49 | 2515 | SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET); |
d02b48c6 RE |
2516 | return(-1); |
2517 | } | |
dfeab068 RE |
2518 | |
2519 | s->method->ssl_renegotiate_check(s); | |
2520 | ||
d02b48c6 | 2521 | if (SSL_in_init(s) || SSL_in_before(s)) |
58964a49 RE |
2522 | { |
2523 | ret=s->handshake_func(s); | |
2524 | } | |
2525 | return(ret); | |
d02b48c6 RE |
2526 | } |
2527 | ||
2528 | /* For the next 2 functions, SSL_clear() sets shutdown and so | |
2529 | * one of these calls will reset it */ | |
4f43d0e7 | 2530 | void SSL_set_accept_state(SSL *s) |
d02b48c6 | 2531 | { |
413c4f45 | 2532 | s->server=1; |
d02b48c6 RE |
2533 | s->shutdown=0; |
2534 | s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE; | |
2535 | s->handshake_func=s->method->ssl_accept; | |
2536 | /* clear the current cipher */ | |
2537 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
2538 | ssl_clear_hash_ctx(&s->read_hash); |
2539 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 RE |
2540 | } |
2541 | ||
4f43d0e7 | 2542 | void SSL_set_connect_state(SSL *s) |
d02b48c6 | 2543 | { |
413c4f45 | 2544 | s->server=0; |
d02b48c6 RE |
2545 | s->shutdown=0; |
2546 | s->state=SSL_ST_CONNECT|SSL_ST_BEFORE; | |
2547 | s->handshake_func=s->method->ssl_connect; | |
2548 | /* clear the current cipher */ | |
2549 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
2550 | ssl_clear_hash_ctx(&s->read_hash); |
2551 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 RE |
2552 | } |
2553 | ||
4f43d0e7 | 2554 | int ssl_undefined_function(SSL *s) |
d02b48c6 RE |
2555 | { |
2556 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2557 | return(0); | |
2558 | } | |
2559 | ||
41a15c4f BL |
2560 | int ssl_undefined_void_function(void) |
2561 | { | |
2562 | SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2563 | return(0); | |
2564 | } | |
2565 | ||
0821bcd4 BL |
2566 | int ssl_undefined_const_function(const SSL *s) |
2567 | { | |
2568 | SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2569 | return(0); | |
2570 | } | |
2571 | ||
4f43d0e7 | 2572 | SSL_METHOD *ssl_bad_method(int ver) |
d02b48c6 RE |
2573 | { |
2574 | SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2575 | return(NULL); | |
2576 | } | |
2577 | ||
0821bcd4 | 2578 | const char *SSL_get_version(const SSL *s) |
d02b48c6 | 2579 | { |
7409d7ad DSH |
2580 | if (s->version == TLS1_2_VERSION) |
2581 | return("TLSv1.2"); | |
2582 | else if (s->version == TLS1_1_VERSION) | |
637f374a | 2583 | return("TLSv1.1"); |
ac7797a7 DSH |
2584 | else if (s->version == TLS1_VERSION) |
2585 | return("TLSv1"); | |
637f374a DSH |
2586 | else if (s->version == SSL3_VERSION) |
2587 | return("SSLv3"); | |
58964a49 | 2588 | else if (s->version == SSL2_VERSION) |
d02b48c6 RE |
2589 | return("SSLv2"); |
2590 | else | |
2591 | return("unknown"); | |
2592 | } | |
2593 | ||
4f43d0e7 | 2594 | SSL *SSL_dup(SSL *s) |
8a41eb70 | 2595 | { |
f73e07cf | 2596 | STACK_OF(X509_NAME) *sk; |
d02b48c6 | 2597 | X509_NAME *xn; |
b1c4fe36 | 2598 | SSL *ret; |
d02b48c6 | 2599 | int i; |
52b8dad8 | 2600 | |
b4cadc6e BL |
2601 | if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
2602 | return(NULL); | |
bf21446a BM |
2603 | |
2604 | ret->version = s->version; | |
2605 | ret->type = s->type; | |
2606 | ret->method = s->method; | |
2607 | ||
8a41eb70 BM |
2608 | if (s->session != NULL) |
2609 | { | |
2610 | /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */ | |
2611 | SSL_copy_session_id(ret,s); | |
2612 | } | |
2613 | else | |
2614 | { | |
2615 | /* No session has been established yet, so we have to expect | |
2616 | * that s->cert or ret->cert will be changed later -- | |
2617 | * they should not both point to the same object, | |
2618 | * and thus we can't use SSL_copy_session_id. */ | |
2619 | ||
2e60ea76 | 2620 | ret->method->ssl_free(ret); |
8a41eb70 BM |
2621 | ret->method = s->method; |
2622 | ret->method->ssl_new(ret); | |
2623 | ||
2624 | if (s->cert != NULL) | |
2625 | { | |
34d69d3b RL |
2626 | if (ret->cert != NULL) |
2627 | { | |
2628 | ssl_cert_free(ret->cert); | |
2629 | } | |
8a41eb70 BM |
2630 | ret->cert = ssl_cert_dup(s->cert); |
2631 | if (ret->cert == NULL) | |
2632 | goto err; | |
2633 | } | |
2634 | ||
2635 | SSL_set_session_id_context(ret, | |
2636 | s->sid_ctx, s->sid_ctx_length); | |
2637 | } | |
d02b48c6 | 2638 | |
bf21446a BM |
2639 | ret->options=s->options; |
2640 | ret->mode=s->mode; | |
c0f5dd07 | 2641 | SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s)); |
d02b48c6 | 2642 | SSL_set_read_ahead(ret,SSL_get_read_ahead(s)); |
bf21446a BM |
2643 | ret->msg_callback = s->msg_callback; |
2644 | ret->msg_callback_arg = s->msg_callback_arg; | |
d02b48c6 RE |
2645 | SSL_set_verify(ret,SSL_get_verify_mode(s), |
2646 | SSL_get_verify_callback(s)); | |
7f89714e | 2647 | SSL_set_verify_depth(ret,SSL_get_verify_depth(s)); |
bf21446a | 2648 | ret->generate_session_id = s->generate_session_id; |
d02b48c6 RE |
2649 | |
2650 | SSL_set_info_callback(ret,SSL_get_info_callback(s)); | |
2651 | ||
2652 | ret->debug=s->debug; | |
2653 | ||
2654 | /* copy app data, a little dangerous perhaps */ | |
79aa04ef | 2655 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) |
58964a49 | 2656 | goto err; |
d02b48c6 RE |
2657 | |
2658 | /* setup rbio, and wbio */ | |
2659 | if (s->rbio != NULL) | |
2660 | { | |
2661 | if (!BIO_dup_state(s->rbio,(char *)&ret->rbio)) | |
2662 | goto err; | |
2663 | } | |
2664 | if (s->wbio != NULL) | |
2665 | { | |
2666 | if (s->wbio != s->rbio) | |
2667 | { | |
58964a49 | 2668 | if (!BIO_dup_state(s->wbio,(char *)&ret->wbio)) |
d02b48c6 RE |
2669 | goto err; |
2670 | } | |
2671 | else | |
2672 | ret->wbio=ret->rbio; | |
2673 | } | |
bf21446a BM |
2674 | ret->rwstate = s->rwstate; |
2675 | ret->in_handshake = s->in_handshake; | |
2676 | ret->handshake_func = s->handshake_func; | |
2677 | ret->server = s->server; | |
44959ee4 | 2678 | ret->renegotiate = s->renegotiate; |
bf21446a BM |
2679 | ret->new_session = s->new_session; |
2680 | ret->quiet_shutdown = s->quiet_shutdown; | |
2681 | ret->shutdown=s->shutdown; | |
2682 | ret->state=s->state; /* SSL_dup does not really work at any state, though */ | |
2683 | ret->rstate=s->rstate; | |
2684 | ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */ | |
2685 | ret->hit=s->hit; | |
5d7c222d DSH |
2686 | |
2687 | X509_VERIFY_PARAM_inherit(ret->param, s->param); | |
d02b48c6 RE |
2688 | |
2689 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
2690 | if (s->cipher_list != NULL) | |
2691 | { | |
f73e07cf | 2692 | if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) |
d02b48c6 RE |
2693 | goto err; |
2694 | } | |
2695 | if (s->cipher_list_by_id != NULL) | |
f73e07cf | 2696 | if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id)) |
d02b48c6 RE |
2697 | == NULL) |
2698 | goto err; | |
2699 | ||
2700 | /* Dup the client_CA list */ | |
2701 | if (s->client_CA != NULL) | |
2702 | { | |
f73e07cf | 2703 | if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err; |
d02b48c6 | 2704 | ret->client_CA=sk; |
f73e07cf | 2705 | for (i=0; i<sk_X509_NAME_num(sk); i++) |
d02b48c6 | 2706 | { |
f73e07cf BL |
2707 | xn=sk_X509_NAME_value(sk,i); |
2708 | if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL) | |
d02b48c6 RE |
2709 | { |
2710 | X509_NAME_free(xn); | |
2711 | goto err; | |
2712 | } | |
2713 | } | |
2714 | } | |
2715 | ||
d02b48c6 RE |
2716 | if (0) |
2717 | { | |
2718 | err: | |
2719 | if (ret != NULL) SSL_free(ret); | |
2720 | ret=NULL; | |
2721 | } | |
2722 | return(ret); | |
2723 | } | |
2724 | ||
4f43d0e7 | 2725 | void ssl_clear_cipher_ctx(SSL *s) |
d02b48c6 | 2726 | { |
8a41eb70 BM |
2727 | if (s->enc_read_ctx != NULL) |
2728 | { | |
2729 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
26a3a48d | 2730 | OPENSSL_free(s->enc_read_ctx); |
8a41eb70 BM |
2731 | s->enc_read_ctx=NULL; |
2732 | } | |
2733 | if (s->enc_write_ctx != NULL) | |
2734 | { | |
2735 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
26a3a48d | 2736 | OPENSSL_free(s->enc_write_ctx); |
8a41eb70 BM |
2737 | s->enc_write_ctx=NULL; |
2738 | } | |
09b6c2ef | 2739 | #ifndef OPENSSL_NO_COMP |
413c4f45 MC |
2740 | if (s->expand != NULL) |
2741 | { | |
2742 | COMP_CTX_free(s->expand); | |
2743 | s->expand=NULL; | |
2744 | } | |
2745 | if (s->compress != NULL) | |
2746 | { | |
2747 | COMP_CTX_free(s->compress); | |
2748 | s->compress=NULL; | |
2749 | } | |
09b6c2ef | 2750 | #endif |
d02b48c6 RE |
2751 | } |
2752 | ||
58964a49 | 2753 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 2754 | X509 *SSL_get_certificate(const SSL *s) |
d02b48c6 RE |
2755 | { |
2756 | if (s->cert != NULL) | |
2757 | return(s->cert->key->x509); | |
2758 | else | |
2759 | return(NULL); | |
2760 | } | |
2761 | ||
58964a49 | 2762 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 2763 | EVP_PKEY *SSL_get_privatekey(SSL *s) |
d02b48c6 RE |
2764 | { |
2765 | if (s->cert != NULL) | |
2766 | return(s->cert->key->privatekey); | |
2767 | else | |
2768 | return(NULL); | |
2769 | } | |
2770 | ||
babb3798 | 2771 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
d02b48c6 | 2772 | { |
b1c4fe36 BM |
2773 | if ((s->session != NULL) && (s->session->cipher != NULL)) |
2774 | return(s->session->cipher); | |
2775 | return(NULL); | |
d02b48c6 | 2776 | } |
09b6c2ef DSH |
2777 | #ifdef OPENSSL_NO_COMP |
2778 | const void *SSL_get_current_compression(SSL *s) | |
2779 | { | |
2780 | return NULL; | |
2781 | } | |
2782 | const void *SSL_get_current_expansion(SSL *s) | |
2783 | { | |
2784 | return NULL; | |
2785 | } | |
2786 | #else | |
d02b48c6 | 2787 | |
377dcdba RL |
2788 | const COMP_METHOD *SSL_get_current_compression(SSL *s) |
2789 | { | |
2790 | if (s->compress != NULL) | |
2791 | return(s->compress->meth); | |
2792 | return(NULL); | |
2793 | } | |
2794 | ||
2795 | const COMP_METHOD *SSL_get_current_expansion(SSL *s) | |
2796 | { | |
2797 | if (s->expand != NULL) | |
2798 | return(s->expand->meth); | |
2799 | return(NULL); | |
2800 | } | |
09b6c2ef | 2801 | #endif |
377dcdba | 2802 | |
4f43d0e7 | 2803 | int ssl_init_wbio_buffer(SSL *s,int push) |
58964a49 RE |
2804 | { |
2805 | BIO *bbio; | |
2806 | ||
2807 | if (s->bbio == NULL) | |
2808 | { | |
2809 | bbio=BIO_new(BIO_f_buffer()); | |
2810 | if (bbio == NULL) return(0); | |
2811 | s->bbio=bbio; | |
2812 | } | |
2813 | else | |
2814 | { | |
2815 | bbio=s->bbio; | |
2816 | if (s->bbio == s->wbio) | |
2817 | s->wbio=BIO_pop(s->wbio); | |
2818 | } | |
d58d092b | 2819 | (void)BIO_reset(bbio); |
58964a49 RE |
2820 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ |
2821 | if (!BIO_set_read_buffer_size(bbio,1)) | |
2822 | { | |
2823 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB); | |
2824 | return(0); | |
2825 | } | |
2826 | if (push) | |
2827 | { | |
2828 | if (s->wbio != bbio) | |
2829 | s->wbio=BIO_push(bbio,s->wbio); | |
2830 | } | |
2831 | else | |
2832 | { | |
2833 | if (s->wbio == bbio) | |
2834 | s->wbio=BIO_pop(bbio); | |
2835 | } | |
2836 | return(1); | |
2837 | } | |
413c4f45 | 2838 | |
4f43d0e7 | 2839 | void ssl_free_wbio_buffer(SSL *s) |
413c4f45 | 2840 | { |
413c4f45 MC |
2841 | if (s->bbio == NULL) return; |
2842 | ||
2843 | if (s->bbio == s->wbio) | |
2844 | { | |
2845 | /* remove buffering */ | |
bbb8de09 BM |
2846 | s->wbio=BIO_pop(s->wbio); |
2847 | #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */ | |
2848 | assert(s->wbio != NULL); | |
52b8dad8 | 2849 | #endif |
bbb8de09 | 2850 | } |
413c4f45 MC |
2851 | BIO_free(s->bbio); |
2852 | s->bbio=NULL; | |
2853 | } | |
58964a49 | 2854 | |
4f43d0e7 | 2855 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode) |
58964a49 RE |
2856 | { |
2857 | ctx->quiet_shutdown=mode; | |
2858 | } | |
2859 | ||
0821bcd4 | 2860 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
58964a49 RE |
2861 | { |
2862 | return(ctx->quiet_shutdown); | |
2863 | } | |
2864 | ||
4f43d0e7 | 2865 | void SSL_set_quiet_shutdown(SSL *s,int mode) |
58964a49 RE |
2866 | { |
2867 | s->quiet_shutdown=mode; | |
2868 | } | |
2869 | ||
0821bcd4 | 2870 | int SSL_get_quiet_shutdown(const SSL *s) |
58964a49 RE |
2871 | { |
2872 | return(s->quiet_shutdown); | |
2873 | } | |
2874 | ||
4f43d0e7 | 2875 | void SSL_set_shutdown(SSL *s,int mode) |
58964a49 RE |
2876 | { |
2877 | s->shutdown=mode; | |
2878 | } | |
2879 | ||
0821bcd4 | 2880 | int SSL_get_shutdown(const SSL *s) |
58964a49 RE |
2881 | { |
2882 | return(s->shutdown); | |
2883 | } | |
2884 | ||
0821bcd4 | 2885 | int SSL_version(const SSL *s) |
58964a49 RE |
2886 | { |
2887 | return(s->version); | |
2888 | } | |
2889 | ||
0821bcd4 | 2890 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
58964a49 RE |
2891 | { |
2892 | return(ssl->ctx); | |
2893 | } | |
2894 | ||
ed3883d2 BM |
2895 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx) |
2896 | { | |
52b8dad8 | 2897 | if (ssl->ctx == ctx) |
a13c20f6 | 2898 | return ssl->ctx; |
367eb1f1 | 2899 | #ifndef OPENSSL_NO_TLSEXT |
a13c20f6 BM |
2900 | if (ctx == NULL) |
2901 | ctx = ssl->initial_ctx; | |
367eb1f1 | 2902 | #endif |
ed3883d2 BM |
2903 | if (ssl->cert != NULL) |
2904 | ssl_cert_free(ssl->cert); | |
2905 | ssl->cert = ssl_cert_dup(ctx->cert); | |
2906 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); | |
2907 | if (ssl->ctx != NULL) | |
2908 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ | |
2909 | ssl->ctx = ctx; | |
2910 | return(ssl->ctx); | |
2911 | } | |
2912 | ||
bc36ee62 | 2913 | #ifndef OPENSSL_NO_STDIO |
4f43d0e7 | 2914 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
58964a49 RE |
2915 | { |
2916 | return(X509_STORE_set_default_paths(ctx->cert_store)); | |
2917 | } | |
2918 | ||
303c0028 BM |
2919 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
2920 | const char *CApath) | |
58964a49 RE |
2921 | { |
2922 | return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath)); | |
2923 | } | |
dfeab068 | 2924 | #endif |
58964a49 | 2925 | |
45d87a1f | 2926 | void SSL_set_info_callback(SSL *ssl, |
7806f3dd | 2927 | void (*cb)(const SSL *ssl,int type,int val)) |
58964a49 RE |
2928 | { |
2929 | ssl->info_callback=cb; | |
2930 | } | |
2931 | ||
543b4ecc RL |
2932 | /* One compiler (Diab DCC) doesn't like argument names in returned |
2933 | function pointer. */ | |
52b8dad8 | 2934 | void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/) |
58964a49 | 2935 | { |
45d87a1f | 2936 | return ssl->info_callback; |
58964a49 RE |
2937 | } |
2938 | ||
0821bcd4 | 2939 | int SSL_state(const SSL *ssl) |
58964a49 RE |
2940 | { |
2941 | return(ssl->state); | |
2942 | } | |
2943 | ||
08557cf2 DSH |
2944 | void SSL_set_state(SSL *ssl, int state) |
2945 | { | |
2946 | ssl->state = state; | |
2947 | } | |
2948 | ||
4f43d0e7 | 2949 | void SSL_set_verify_result(SSL *ssl,long arg) |
58964a49 RE |
2950 | { |
2951 | ssl->verify_result=arg; | |
2952 | } | |
2953 | ||
0821bcd4 | 2954 | long SSL_get_verify_result(const SSL *ssl) |
58964a49 RE |
2955 | { |
2956 | return(ssl->verify_result); | |
2957 | } | |
2958 | ||
dd9d233e DSH |
2959 | int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2960 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2961 | { |
79aa04ef GT |
2962 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp, |
2963 | new_func, dup_func, free_func); | |
b1c4fe36 | 2964 | } |
58964a49 | 2965 | |
4f43d0e7 | 2966 | int SSL_set_ex_data(SSL *s,int idx,void *arg) |
58964a49 RE |
2967 | { |
2968 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2969 | } | |
2970 | ||
0821bcd4 | 2971 | void *SSL_get_ex_data(const SSL *s,int idx) |
58964a49 RE |
2972 | { |
2973 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2974 | } | |
2975 | ||
dd9d233e DSH |
2976 | int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2977 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2978 | { |
79aa04ef GT |
2979 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp, |
2980 | new_func, dup_func, free_func); | |
b1c4fe36 | 2981 | } |
58964a49 | 2982 | |
4f43d0e7 | 2983 | int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg) |
58964a49 RE |
2984 | { |
2985 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2986 | } | |
2987 | ||
0821bcd4 | 2988 | void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx) |
58964a49 RE |
2989 | { |
2990 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2991 | } | |
2992 | ||
4f43d0e7 | 2993 | int ssl_ok(SSL *s) |
dfeab068 RE |
2994 | { |
2995 | return(1); | |
2996 | } | |
2997 | ||
0821bcd4 | 2998 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
413c4f45 MC |
2999 | { |
3000 | return(ctx->cert_store); | |
3001 | } | |
3002 | ||
4f43d0e7 | 3003 | void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store) |
413c4f45 MC |
3004 | { |
3005 | if (ctx->cert_store != NULL) | |
3006 | X509_STORE_free(ctx->cert_store); | |
3007 | ctx->cert_store=store; | |
3008 | } | |
3009 | ||
0821bcd4 | 3010 | int SSL_want(const SSL *s) |
413c4f45 MC |
3011 | { |
3012 | return(s->rwstate); | |
3013 | } | |
3014 | ||
4f43d0e7 BL |
3015 | /*! |
3016 | * \brief Set the callback for generating temporary RSA keys. | |
3017 | * \param ctx the SSL context. | |
3018 | * \param cb the callback | |
3019 | */ | |
3020 | ||
bc36ee62 | 3021 | #ifndef OPENSSL_NO_RSA |
df63a389 UM |
3022 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl, |
3023 | int is_export, | |
60e31c3a | 3024 | int keylength)) |
a9188d4e | 3025 | { |
41a15c4f | 3026 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); |
a9188d4e | 3027 | } |
79df9d62 | 3028 | |
d3442bc7 RL |
3029 | void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl, |
3030 | int is_export, | |
3031 | int keylength)) | |
a9188d4e | 3032 | { |
41a15c4f | 3033 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); |
a9188d4e | 3034 | } |
79df9d62 | 3035 | #endif |
f8c3c05d | 3036 | |
4f43d0e7 BL |
3037 | #ifdef DOXYGEN |
3038 | /*! | |
3039 | * \brief The RSA temporary key callback function. | |
3040 | * \param ssl the SSL session. | |
df63a389 UM |
3041 | * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite. |
3042 | * \param keylength if \c is_export is \c TRUE, then \c keylength is the size | |
3043 | * of the required key in bits. | |
4f43d0e7 BL |
3044 | * \return the temporary RSA key. |
3045 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
3046 | */ | |
3047 | ||
df63a389 | 3048 | RSA *cb(SSL *ssl,int is_export,int keylength) |
4f43d0e7 BL |
3049 | {} |
3050 | #endif | |
3051 | ||
3052 | /*! | |
3053 | * \brief Set the callback for generating temporary DH keys. | |
3054 | * \param ctx the SSL context. | |
3055 | * \param dh the callback | |
3056 | */ | |
3057 | ||
bc36ee62 | 3058 | #ifndef OPENSSL_NO_DH |
df63a389 | 3059 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export, |
52b8dad8 | 3060 | int keylength)) |
a661b653 | 3061 | { |
41a15c4f | 3062 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); |
a661b653 | 3063 | } |
f8c3c05d | 3064 | |
df63a389 | 3065 | void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export, |
52b8dad8 | 3066 | int keylength)) |
a661b653 | 3067 | { |
41a15c4f | 3068 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); |
a661b653 | 3069 | } |
79df9d62 | 3070 | #endif |
15d21c2d | 3071 | |
ea262260 BM |
3072 | #ifndef OPENSSL_NO_ECDH |
3073 | void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export, | |
52b8dad8 | 3074 | int keylength)) |
ea262260 | 3075 | { |
41a15c4f | 3076 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); |
ea262260 BM |
3077 | } |
3078 | ||
3079 | void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export, | |
52b8dad8 | 3080 | int keylength)) |
ea262260 | 3081 | { |
41a15c4f | 3082 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); |
ea262260 BM |
3083 | } |
3084 | #endif | |
3085 | ||
ddac1974 NL |
3086 | #ifndef OPENSSL_NO_PSK |
3087 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
3088 | { | |
3089 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) | |
3090 | { | |
3091 | SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); | |
3092 | return 0; | |
3093 | } | |
3094 | if (ctx->psk_identity_hint != NULL) | |
3095 | OPENSSL_free(ctx->psk_identity_hint); | |
3096 | if (identity_hint != NULL) | |
3097 | { | |
3098 | ctx->psk_identity_hint = BUF_strdup(identity_hint); | |
3099 | if (ctx->psk_identity_hint == NULL) | |
3100 | return 0; | |
3101 | } | |
3102 | else | |
3103 | ctx->psk_identity_hint = NULL; | |
3104 | return 1; | |
3105 | } | |
3106 | ||
3107 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
3108 | { | |
3109 | if (s == NULL) | |
3110 | return 0; | |
3111 | ||
3112 | if (s->session == NULL) | |
3113 | return 1; /* session not created yet, ignored */ | |
3114 | ||
3115 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) | |
3116 | { | |
3117 | SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); | |
3118 | return 0; | |
3119 | } | |
3120 | if (s->session->psk_identity_hint != NULL) | |
3121 | OPENSSL_free(s->session->psk_identity_hint); | |
3122 | if (identity_hint != NULL) | |
3123 | { | |
3124 | s->session->psk_identity_hint = BUF_strdup(identity_hint); | |
3125 | if (s->session->psk_identity_hint == NULL) | |
3126 | return 0; | |
3127 | } | |
3128 | else | |
3129 | s->session->psk_identity_hint = NULL; | |
3130 | return 1; | |
3131 | } | |
3132 | ||
3133 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
3134 | { | |
3135 | if (s == NULL || s->session == NULL) | |
3136 | return NULL; | |
3137 | return(s->session->psk_identity_hint); | |
3138 | } | |
3139 | ||
3140 | const char *SSL_get_psk_identity(const SSL *s) | |
3141 | { | |
3142 | if (s == NULL || s->session == NULL) | |
3143 | return NULL; | |
3144 | return(s->session->psk_identity); | |
3145 | } | |
7806f3dd | 3146 | |
52b8dad8 BM |
3147 | void SSL_set_psk_client_callback(SSL *s, |
3148 | unsigned int (*cb)(SSL *ssl, const char *hint, | |
3149 | char *identity, unsigned int max_identity_len, unsigned char *psk, | |
3150 | unsigned int max_psk_len)) | |
7806f3dd | 3151 | { |
52b8dad8 | 3152 | s->psk_client_callback = cb; |
7806f3dd NL |
3153 | } |
3154 | ||
3155 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, | |
52b8dad8 BM |
3156 | unsigned int (*cb)(SSL *ssl, const char *hint, |
3157 | char *identity, unsigned int max_identity_len, unsigned char *psk, | |
3158 | unsigned int max_psk_len)) | |
7806f3dd | 3159 | { |
52b8dad8 | 3160 | ctx->psk_client_callback = cb; |
7806f3dd NL |
3161 | } |
3162 | ||
52b8dad8 BM |
3163 | void SSL_set_psk_server_callback(SSL *s, |
3164 | unsigned int (*cb)(SSL *ssl, const char *identity, | |
3165 | unsigned char *psk, unsigned int max_psk_len)) | |
7806f3dd | 3166 | { |
52b8dad8 | 3167 | s->psk_server_callback = cb; |
7806f3dd NL |
3168 | } |
3169 | ||
3170 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, | |
52b8dad8 BM |
3171 | unsigned int (*cb)(SSL *ssl, const char *identity, |
3172 | unsigned char *psk, unsigned int max_psk_len)) | |
7806f3dd | 3173 | { |
52b8dad8 | 3174 | ctx->psk_server_callback = cb; |
7806f3dd | 3175 | } |
ddac1974 | 3176 | #endif |
a661b653 BM |
3177 | |
3178 | void 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)) | |
3179 | { | |
41a15c4f | 3180 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); |
a661b653 BM |
3181 | } |
3182 | void 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)) | |
3183 | { | |
41a15c4f | 3184 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); |
a661b653 BM |
3185 | } |
3186 | ||
7c2d4fee BM |
3187 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, |
3188 | int (*cb)(SSL *ssl, int is_forward_secure)) | |
3189 | { | |
3190 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
3191 | (void (*)(void))cb); | |
3192 | } | |
3193 | void SSL_set_not_resumable_session_callback(SSL *ssl, | |
3194 | int (*cb)(SSL *ssl, int is_forward_secure)) | |
3195 | { | |
3196 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
3197 | (void (*)(void))cb); | |
3198 | } | |
3199 | ||
b948e2c5 DSH |
3200 | /* Allocates new EVP_MD_CTX and sets pointer to it into given pointer |
3201 | * vairable, freeing EVP_MD_CTX previously stored in that variable, if | |
3202 | * any. If EVP_MD pointer is passed, initializes ctx with this md | |
3203 | * Returns newly allocated ctx; | |
8671b898 | 3204 | */ |
b948e2c5 DSH |
3205 | |
3206 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) | |
3207 | { | |
3208 | ssl_clear_hash_ctx(hash); | |
3209 | *hash = EVP_MD_CTX_create(); | |
3210 | if (md) EVP_DigestInit_ex(*hash,md,NULL); | |
3211 | return *hash; | |
3212 | } | |
3213 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash) | |
3214 | { | |
3215 | ||
3216 | if (*hash) EVP_MD_CTX_destroy(*hash); | |
3217 | *hash=NULL; | |
3218 | } | |
a661b653 | 3219 | |
08557cf2 DSH |
3220 | void SSL_set_debug(SSL *s, int debug) |
3221 | { | |
3222 | s->debug = debug; | |
3223 | } | |
3224 | ||
3225 | int SSL_cache_hit(SSL *s) | |
3226 | { | |
3227 | return s->hit; | |
3228 | } | |
3229 | ||
bc36ee62 | 3230 | #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16) |
58964a49 RE |
3231 | #include "../crypto/bio/bss_file.c" |
3232 | #endif | |
f73e07cf BL |
3233 | |
3234 | IMPLEMENT_STACK_OF(SSL_CIPHER) | |
3235 | IMPLEMENT_STACK_OF(SSL_COMP) | |
06ddf8eb DSH |
3236 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, |
3237 | ssl_cipher_id); | |
3238 |