]>
Commit | Line | Data |
---|---|---|
0f113f3e MC |
1 | /* |
2 | * ! \file ssl/ssl_lib.c \brief Version independent SSL functions. | |
4f43d0e7 | 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. | |
0f113f3e | 10 | * |
d02b48c6 RE |
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). | |
0f113f3e | 17 | * |
d02b48c6 RE |
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. | |
0f113f3e | 24 | * |
d02b48c6 RE |
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 :-). | |
0f113f3e | 39 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
40 | * the apps directory (application code) you must include an acknowledgement: |
41 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 42 | * |
d02b48c6 RE |
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. | |
0f113f3e | 54 | * |
d02b48c6 RE |
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 | |
0f113f3e | 68 | * notice, this list of conditions and the following disclaimer. |
bf21446a BM |
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. | |
0f113f3e | 115 | * ECC cipher suite support in OpenSSL originally developed by |
ea262260 BM |
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 | 145 | #ifdef REF_CHECK |
0f113f3e | 146 | # include <assert.h> |
027e257b | 147 | #endif |
d02b48c6 | 148 | #include <stdio.h> |
7b63c0fa | 149 | #include "ssl_locl.h" |
ec577822 BM |
150 | #include <openssl/objects.h> |
151 | #include <openssl/lhash.h> | |
bb7cd4e3 | 152 | #include <openssl/x509v3.h> |
6434abbf | 153 | #include <openssl/rand.h> |
67c8e7f4 | 154 | #include <openssl/ocsp.h> |
3eeaab4b | 155 | #ifndef OPENSSL_NO_DH |
0f113f3e | 156 | # include <openssl/dh.h> |
3eeaab4b | 157 | #endif |
bdfe932d | 158 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
159 | # include <openssl/engine.h> |
160 | #endif | |
07bbc92c | 161 | #include <openssl/async.h> |
0f113f3e | 162 | |
df2ee0e2 | 163 | const char SSL_version_str[] = OPENSSL_VERSION_TEXT; |
0f113f3e MC |
164 | |
165 | SSL3_ENC_METHOD ssl3_undef_enc_method = { | |
166 | /* | |
167 | * evil casts, but these functions are only called if there's a library | |
168 | * bug | |
169 | */ | |
170 | (int (*)(SSL *, int))ssl_undefined_function, | |
171 | (int (*)(SSL *, unsigned char *, int))ssl_undefined_function, | |
172 | ssl_undefined_function, | |
173 | (int (*)(SSL *, unsigned char *, unsigned char *, int)) | |
174 | ssl_undefined_function, | |
175 | (int (*)(SSL *, int))ssl_undefined_function, | |
176 | (int (*)(SSL *, const char *, int, unsigned char *)) | |
177 | ssl_undefined_function, | |
178 | 0, /* finish_mac_length */ | |
179 | (int (*)(SSL *, int, unsigned char *))ssl_undefined_function, | |
180 | NULL, /* client_finished_label */ | |
181 | 0, /* client_finished_label_len */ | |
182 | NULL, /* server_finished_label */ | |
183 | 0, /* server_finished_label_len */ | |
184 | (int (*)(int))ssl_undefined_function, | |
185 | (int (*)(SSL *, unsigned char *, size_t, const char *, | |
186 | size_t, const unsigned char *, size_t, | |
187 | int use_context))ssl_undefined_function, | |
188 | }; | |
d02b48c6 | 189 | |
07bbc92c MC |
190 | struct ssl_async_args { |
191 | SSL *s; | |
192 | void *buf; | |
193 | int num; | |
add2f5ca MC |
194 | int type; |
195 | union { | |
196 | int (*func1)(SSL *, void *, int); | |
197 | int (*func2)(SSL *, const void *, int); | |
198 | } f; | |
07bbc92c MC |
199 | }; |
200 | ||
d31fb0b5 RS |
201 | static void clear_ciphers(SSL *s) |
202 | { | |
203 | /* clear the current cipher */ | |
204 | ssl_clear_cipher_ctx(s); | |
205 | ssl_clear_hash_ctx(&s->read_hash); | |
206 | ssl_clear_hash_ctx(&s->write_hash); | |
207 | } | |
208 | ||
4f43d0e7 | 209 | int SSL_clear(SSL *s) |
0f113f3e | 210 | { |
0f113f3e MC |
211 | if (s->method == NULL) { |
212 | SSLerr(SSL_F_SSL_CLEAR, SSL_R_NO_METHOD_SPECIFIED); | |
213 | return (0); | |
214 | } | |
d02b48c6 | 215 | |
0f113f3e MC |
216 | if (ssl_clear_bad_session(s)) { |
217 | SSL_SESSION_free(s->session); | |
218 | s->session = NULL; | |
219 | } | |
d62bfb39 | 220 | |
0f113f3e MC |
221 | s->error = 0; |
222 | s->hit = 0; | |
223 | s->shutdown = 0; | |
d02b48c6 | 224 | |
0f113f3e MC |
225 | if (s->renegotiate) { |
226 | SSLerr(SSL_F_SSL_CLEAR, ERR_R_INTERNAL_ERROR); | |
227 | return 0; | |
228 | } | |
d02b48c6 | 229 | |
fe3a3291 | 230 | ossl_statem_clear(s); |
413c4f45 | 231 | |
0f113f3e MC |
232 | s->version = s->method->version; |
233 | s->client_version = s->version; | |
234 | s->rwstate = SSL_NOTHING; | |
d02b48c6 | 235 | |
25aaa98a RS |
236 | BUF_MEM_free(s->init_buf); |
237 | s->init_buf = NULL; | |
d31fb0b5 | 238 | clear_ciphers(s); |
0f113f3e | 239 | s->first_packet = 0; |
d02b48c6 | 240 | |
0f113f3e MC |
241 | /* |
242 | * Check to see if we were changed into a different method, if so, revert | |
243 | * back if we are not doing session-id reuse. | |
244 | */ | |
024f543c | 245 | if (!ossl_statem_get_in_handshake(s) && (s->session == NULL) |
0f113f3e MC |
246 | && (s->method != s->ctx->method)) { |
247 | s->method->ssl_free(s); | |
248 | s->method = s->ctx->method; | |
249 | if (!s->method->ssl_new(s)) | |
250 | return (0); | |
251 | } else | |
0f113f3e | 252 | s->method->ssl_clear(s); |
33d23b87 | 253 | |
af9752e5 | 254 | RECORD_LAYER_clear(&s->rlayer); |
33d23b87 | 255 | |
0f113f3e MC |
256 | return (1); |
257 | } | |
d02b48c6 | 258 | |
4f43d0e7 | 259 | /** Used to change an SSL_CTXs default SSL method type */ |
0f113f3e MC |
260 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth) |
261 | { | |
262 | STACK_OF(SSL_CIPHER) *sk; | |
263 | ||
264 | ctx->method = meth; | |
265 | ||
266 | sk = ssl_create_cipher_list(ctx->method, &(ctx->cipher_list), | |
267 | &(ctx->cipher_list_by_id), | |
268 | SSL_DEFAULT_CIPHER_LIST, ctx->cert); | |
269 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) { | |
270 | SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION, | |
271 | SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); | |
272 | return (0); | |
273 | } | |
274 | return (1); | |
275 | } | |
d02b48c6 | 276 | |
4f43d0e7 | 277 | SSL *SSL_new(SSL_CTX *ctx) |
0f113f3e MC |
278 | { |
279 | SSL *s; | |
280 | ||
281 | if (ctx == NULL) { | |
282 | SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX); | |
283 | return (NULL); | |
284 | } | |
285 | if (ctx->method == NULL) { | |
286 | SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); | |
287 | return (NULL); | |
288 | } | |
289 | ||
b51bce94 | 290 | s = OPENSSL_zalloc(sizeof(*s)); |
0f113f3e MC |
291 | if (s == NULL) |
292 | goto err; | |
0f113f3e | 293 | |
c036e210 | 294 | RECORD_LAYER_init(&s->rlayer, s); |
28d59af8 | 295 | |
0f113f3e MC |
296 | s->options = ctx->options; |
297 | s->mode = ctx->mode; | |
298 | s->max_cert_list = ctx->max_cert_list; | |
0e04674e | 299 | s->references = 1; |
0f113f3e | 300 | |
2c382349 KR |
301 | /* |
302 | * Earlier library versions used to copy the pointer to the CERT, not | |
303 | * its contents; only when setting new parameters for the per-SSL | |
304 | * copy, ssl_cert_new would be called (and the direct reference to | |
305 | * the per-SSL_CTX settings would be lost, but those still were | |
306 | * indirectly accessed for various purposes, and for that reason they | |
307 | * used to be known as s->ctx->default_cert). Now we don't look at the | |
308 | * SSL_CTX's CERT after having duplicated it once. | |
309 | */ | |
310 | s->cert = ssl_cert_dup(ctx->cert); | |
311 | if (s->cert == NULL) | |
312 | goto err; | |
0f113f3e | 313 | |
52e1d7b1 | 314 | RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead); |
0f113f3e MC |
315 | s->msg_callback = ctx->msg_callback; |
316 | s->msg_callback_arg = ctx->msg_callback_arg; | |
317 | s->verify_mode = ctx->verify_mode; | |
318 | s->not_resumable_session_cb = ctx->not_resumable_session_cb; | |
0f113f3e MC |
319 | s->sid_ctx_length = ctx->sid_ctx_length; |
320 | OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx); | |
321 | memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx)); | |
322 | s->verify_callback = ctx->default_verify_callback; | |
323 | s->generate_session_id = ctx->generate_session_id; | |
324 | ||
325 | s->param = X509_VERIFY_PARAM_new(); | |
a71edf3b | 326 | if (s->param == NULL) |
0f113f3e MC |
327 | goto err; |
328 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); | |
0f113f3e MC |
329 | s->quiet_shutdown = ctx->quiet_shutdown; |
330 | s->max_send_fragment = ctx->max_send_fragment; | |
bf21446a | 331 | |
0f113f3e MC |
332 | CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX); |
333 | s->ctx = ctx; | |
0f113f3e MC |
334 | s->tlsext_debug_cb = 0; |
335 | s->tlsext_debug_arg = NULL; | |
336 | s->tlsext_ticket_expected = 0; | |
337 | s->tlsext_status_type = -1; | |
338 | s->tlsext_status_expected = 0; | |
339 | s->tlsext_ocsp_ids = NULL; | |
340 | s->tlsext_ocsp_exts = NULL; | |
341 | s->tlsext_ocsp_resp = NULL; | |
342 | s->tlsext_ocsp_resplen = -1; | |
343 | CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX); | |
344 | s->initial_ctx = ctx; | |
345 | # ifndef OPENSSL_NO_EC | |
346 | if (ctx->tlsext_ecpointformatlist) { | |
347 | s->tlsext_ecpointformatlist = | |
348 | BUF_memdup(ctx->tlsext_ecpointformatlist, | |
349 | ctx->tlsext_ecpointformatlist_length); | |
350 | if (!s->tlsext_ecpointformatlist) | |
351 | goto err; | |
352 | s->tlsext_ecpointformatlist_length = | |
353 | ctx->tlsext_ecpointformatlist_length; | |
354 | } | |
355 | if (ctx->tlsext_ellipticcurvelist) { | |
356 | s->tlsext_ellipticcurvelist = | |
357 | BUF_memdup(ctx->tlsext_ellipticcurvelist, | |
358 | ctx->tlsext_ellipticcurvelist_length); | |
359 | if (!s->tlsext_ellipticcurvelist) | |
360 | goto err; | |
361 | s->tlsext_ellipticcurvelist_length = | |
362 | ctx->tlsext_ellipticcurvelist_length; | |
363 | } | |
364 | # endif | |
bf48836c | 365 | # ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e | 366 | s->next_proto_negotiated = NULL; |
ee2ffc27 | 367 | # endif |
6f017a8f | 368 | |
0f113f3e MC |
369 | if (s->ctx->alpn_client_proto_list) { |
370 | s->alpn_client_proto_list = | |
371 | OPENSSL_malloc(s->ctx->alpn_client_proto_list_len); | |
372 | if (s->alpn_client_proto_list == NULL) | |
373 | goto err; | |
374 | memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list, | |
375 | s->ctx->alpn_client_proto_list_len); | |
376 | s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len; | |
377 | } | |
d02b48c6 | 378 | |
0f113f3e | 379 | s->verify_result = X509_V_OK; |
d02b48c6 | 380 | |
a974e64a MC |
381 | s->default_passwd_callback = ctx->default_passwd_callback; |
382 | s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata; | |
383 | ||
0f113f3e | 384 | s->method = ctx->method; |
d02b48c6 | 385 | |
0f113f3e MC |
386 | if (!s->method->ssl_new(s)) |
387 | goto err; | |
d02b48c6 | 388 | |
0f113f3e | 389 | s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1; |
bf21446a | 390 | |
61986d32 | 391 | if (!SSL_clear(s)) |
69f68237 | 392 | goto err; |
58964a49 | 393 | |
0f113f3e | 394 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 395 | |
ddac1974 | 396 | #ifndef OPENSSL_NO_PSK |
0f113f3e MC |
397 | s->psk_client_callback = ctx->psk_client_callback; |
398 | s->psk_server_callback = ctx->psk_server_callback; | |
ddac1974 NL |
399 | #endif |
400 | ||
07bbc92c MC |
401 | s->job = NULL; |
402 | ||
0f113f3e MC |
403 | return (s); |
404 | err: | |
62adbcee | 405 | SSL_free(s); |
0f113f3e MC |
406 | SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE); |
407 | return (NULL); | |
408 | } | |
d02b48c6 | 409 | |
0f113f3e MC |
410 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, |
411 | unsigned int sid_ctx_len) | |
412 | { | |
413 | if (sid_ctx_len > sizeof ctx->sid_ctx) { | |
414 | SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT, | |
415 | SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
416 | return 0; | |
417 | } | |
418 | ctx->sid_ctx_length = sid_ctx_len; | |
419 | memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len); | |
4eb77b26 BM |
420 | |
421 | return 1; | |
0f113f3e | 422 | } |
4eb77b26 | 423 | |
0f113f3e MC |
424 | int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, |
425 | unsigned int sid_ctx_len) | |
426 | { | |
427 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { | |
428 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT, | |
429 | SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
430 | return 0; | |
431 | } | |
432 | ssl->sid_ctx_length = sid_ctx_len; | |
433 | memcpy(ssl->sid_ctx, sid_ctx, sid_ctx_len); | |
b4cadc6e BL |
434 | |
435 | return 1; | |
0f113f3e | 436 | } |
b4cadc6e | 437 | |
dc644fe2 | 438 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
0f113f3e MC |
439 | { |
440 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
441 | ctx->generate_session_id = cb; | |
442 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
443 | return 1; | |
444 | } | |
dc644fe2 GT |
445 | |
446 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
0f113f3e MC |
447 | { |
448 | CRYPTO_w_lock(CRYPTO_LOCK_SSL); | |
449 | ssl->generate_session_id = cb; | |
450 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL); | |
451 | return 1; | |
452 | } | |
dc644fe2 | 453 | |
f85c9904 | 454 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
0f113f3e MC |
455 | unsigned int id_len) |
456 | { | |
457 | /* | |
458 | * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
459 | * we can "construct" a session to give us the desired check - ie. to | |
460 | * find if there's a session in the hash table that would conflict with | |
461 | * any new session built out of this id/id_len and the ssl_version in use | |
462 | * by this SSL. | |
463 | */ | |
464 | SSL_SESSION r, *p; | |
465 | ||
466 | if (id_len > sizeof r.session_id) | |
467 | return 0; | |
468 | ||
469 | r.ssl_version = ssl->version; | |
470 | r.session_id_length = id_len; | |
471 | memcpy(r.session_id, id, id_len); | |
472 | ||
473 | CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); | |
474 | p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r); | |
475 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); | |
476 | return (p != NULL); | |
477 | } | |
dc644fe2 | 478 | |
bb7cd4e3 | 479 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
0f113f3e MC |
480 | { |
481 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
482 | } | |
bb7cd4e3 DSH |
483 | |
484 | int SSL_set_purpose(SSL *s, int purpose) | |
0f113f3e MC |
485 | { |
486 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
487 | } | |
926a56bf | 488 | |
bb7cd4e3 | 489 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
0f113f3e MC |
490 | { |
491 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
492 | } | |
bb7cd4e3 DSH |
493 | |
494 | int SSL_set_trust(SSL *s, int trust) | |
0f113f3e MC |
495 | { |
496 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
497 | } | |
bb7cd4e3 | 498 | |
ccf11751 | 499 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
0f113f3e MC |
500 | { |
501 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
502 | } | |
ccf11751 DSH |
503 | |
504 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
0f113f3e MC |
505 | { |
506 | return X509_VERIFY_PARAM_set1(ssl->param, vpm); | |
507 | } | |
ccf11751 | 508 | |
7af31968 | 509 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) |
0f113f3e MC |
510 | { |
511 | return ctx->param; | |
512 | } | |
7af31968 DSH |
513 | |
514 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) | |
0f113f3e MC |
515 | { |
516 | return ssl->param; | |
517 | } | |
7af31968 | 518 | |
a5ee80b9 | 519 | void SSL_certs_clear(SSL *s) |
0f113f3e MC |
520 | { |
521 | ssl_cert_clear_certs(s->cert); | |
522 | } | |
a5ee80b9 | 523 | |
4f43d0e7 | 524 | void SSL_free(SSL *s) |
0f113f3e MC |
525 | { |
526 | int i; | |
58964a49 | 527 | |
0f113f3e MC |
528 | if (s == NULL) |
529 | return; | |
e03ddfae | 530 | |
0f113f3e | 531 | i = CRYPTO_add(&s->references, -1, CRYPTO_LOCK_SSL); |
58964a49 | 532 | #ifdef REF_PRINT |
0f113f3e | 533 | REF_PRINT("SSL", s); |
58964a49 | 534 | #endif |
0f113f3e MC |
535 | if (i > 0) |
536 | return; | |
58964a49 | 537 | #ifdef REF_CHECK |
0f113f3e MC |
538 | if (i < 0) { |
539 | fprintf(stderr, "SSL_free, bad reference count\n"); | |
540 | abort(); /* ok */ | |
541 | } | |
1aeb3da8 | 542 | #endif |
d02b48c6 | 543 | |
222561fe | 544 | X509_VERIFY_PARAM_free(s->param); |
0f113f3e MC |
545 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
546 | ||
547 | if (s->bbio != NULL) { | |
548 | /* If the buffering BIO is in place, pop it off */ | |
549 | if (s->bbio == s->wbio) { | |
550 | s->wbio = BIO_pop(s->wbio); | |
551 | } | |
552 | BIO_free(s->bbio); | |
553 | s->bbio = NULL; | |
554 | } | |
ca3a82c3 RS |
555 | BIO_free_all(s->rbio); |
556 | if (s->wbio != s->rbio) | |
0f113f3e MC |
557 | BIO_free_all(s->wbio); |
558 | ||
25aaa98a | 559 | BUF_MEM_free(s->init_buf); |
0f113f3e MC |
560 | |
561 | /* add extra stuff */ | |
25aaa98a RS |
562 | sk_SSL_CIPHER_free(s->cipher_list); |
563 | sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
0f113f3e MC |
564 | |
565 | /* Make the next call work :-) */ | |
566 | if (s->session != NULL) { | |
567 | ssl_clear_bad_session(s); | |
568 | SSL_SESSION_free(s->session); | |
569 | } | |
570 | ||
d31fb0b5 | 571 | clear_ciphers(s); |
d02b48c6 | 572 | |
e0e920b1 | 573 | ssl_cert_free(s->cert); |
0f113f3e | 574 | /* Free up if allocated */ |
d02b48c6 | 575 | |
b548a1f1 | 576 | OPENSSL_free(s->tlsext_hostname); |
e0e920b1 | 577 | SSL_CTX_free(s->initial_ctx); |
e481f9b9 | 578 | #ifndef OPENSSL_NO_EC |
b548a1f1 RS |
579 | OPENSSL_free(s->tlsext_ecpointformatlist); |
580 | OPENSSL_free(s->tlsext_ellipticcurvelist); | |
e481f9b9 | 581 | #endif /* OPENSSL_NO_EC */ |
222561fe | 582 | sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, X509_EXTENSION_free); |
25aaa98a | 583 | sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free); |
b548a1f1 RS |
584 | OPENSSL_free(s->tlsext_ocsp_resp); |
585 | OPENSSL_free(s->alpn_client_proto_list); | |
0f113f3e | 586 | |
222561fe | 587 | sk_X509_NAME_pop_free(s->client_CA, X509_NAME_free); |
0f113f3e MC |
588 | |
589 | if (s->method != NULL) | |
590 | s->method->ssl_free(s); | |
591 | ||
f161995e | 592 | RECORD_LAYER_release(&s->rlayer); |
33d23b87 | 593 | |
e0e920b1 | 594 | SSL_CTX_free(s->ctx); |
7c3908dd | 595 | |
e481f9b9 | 596 | #if !defined(OPENSSL_NO_NEXTPROTONEG) |
b548a1f1 | 597 | OPENSSL_free(s->next_proto_negotiated); |
ee2ffc27 BL |
598 | #endif |
599 | ||
e783bae2 | 600 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 601 | sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles); |
0f113f3e MC |
602 | #endif |
603 | ||
604 | OPENSSL_free(s); | |
605 | } | |
606 | ||
3ffbe008 MC |
607 | void SSL_set_rbio(SSL *s, BIO *rbio) |
608 | { | |
ca3a82c3 | 609 | if (s->rbio != rbio) |
3ffbe008 MC |
610 | BIO_free_all(s->rbio); |
611 | s->rbio = rbio; | |
612 | } | |
613 | ||
614 | void SSL_set_wbio(SSL *s, BIO *wbio) | |
0f113f3e MC |
615 | { |
616 | /* | |
617 | * If the output buffering BIO is still in place, remove it | |
618 | */ | |
619 | if (s->bbio != NULL) { | |
620 | if (s->wbio == s->bbio) { | |
621 | s->wbio = s->wbio->next_bio; | |
622 | s->bbio->next_bio = NULL; | |
623 | } | |
624 | } | |
ca3a82c3 | 625 | if (s->wbio != wbio && s->rbio != s->wbio) |
0f113f3e | 626 | BIO_free_all(s->wbio); |
0f113f3e MC |
627 | s->wbio = wbio; |
628 | } | |
d02b48c6 | 629 | |
3ffbe008 MC |
630 | void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio) |
631 | { | |
632 | SSL_set_wbio(s, wbio); | |
633 | SSL_set_rbio(s, rbio); | |
634 | } | |
635 | ||
0821bcd4 | 636 | BIO *SSL_get_rbio(const SSL *s) |
0f113f3e MC |
637 | { |
638 | return (s->rbio); | |
639 | } | |
d02b48c6 | 640 | |
0821bcd4 | 641 | BIO *SSL_get_wbio(const SSL *s) |
0f113f3e MC |
642 | { |
643 | return (s->wbio); | |
644 | } | |
d02b48c6 | 645 | |
0821bcd4 | 646 | int SSL_get_fd(const SSL *s) |
0f113f3e MC |
647 | { |
648 | return (SSL_get_rfd(s)); | |
649 | } | |
24cbf3ef | 650 | |
0821bcd4 | 651 | int SSL_get_rfd(const SSL *s) |
0f113f3e MC |
652 | { |
653 | int ret = -1; | |
654 | BIO *b, *r; | |
655 | ||
656 | b = SSL_get_rbio(s); | |
657 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
658 | if (r != NULL) | |
659 | BIO_get_fd(r, &ret); | |
660 | return (ret); | |
661 | } | |
d02b48c6 | 662 | |
0821bcd4 | 663 | int SSL_get_wfd(const SSL *s) |
0f113f3e MC |
664 | { |
665 | int ret = -1; | |
666 | BIO *b, *r; | |
667 | ||
668 | b = SSL_get_wbio(s); | |
669 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
670 | if (r != NULL) | |
671 | BIO_get_fd(r, &ret); | |
672 | return (ret); | |
673 | } | |
24cbf3ef | 674 | |
bc36ee62 | 675 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
676 | int SSL_set_fd(SSL *s, int fd) |
677 | { | |
678 | int ret = 0; | |
679 | BIO *bio = NULL; | |
680 | ||
681 | bio = BIO_new(BIO_s_socket()); | |
682 | ||
683 | if (bio == NULL) { | |
684 | SSLerr(SSL_F_SSL_SET_FD, ERR_R_BUF_LIB); | |
685 | goto err; | |
686 | } | |
687 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
688 | SSL_set_bio(s, bio, bio); | |
689 | ret = 1; | |
690 | err: | |
691 | return (ret); | |
692 | } | |
d02b48c6 | 693 | |
0f113f3e MC |
694 | int SSL_set_wfd(SSL *s, int fd) |
695 | { | |
696 | int ret = 0; | |
697 | BIO *bio = NULL; | |
698 | ||
699 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) | |
700 | || ((int)BIO_get_fd(s->rbio, NULL) != fd)) { | |
701 | bio = BIO_new(BIO_s_socket()); | |
702 | ||
703 | if (bio == NULL) { | |
704 | SSLerr(SSL_F_SSL_SET_WFD, ERR_R_BUF_LIB); | |
705 | goto err; | |
706 | } | |
707 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
708 | SSL_set_bio(s, SSL_get_rbio(s), bio); | |
709 | } else | |
710 | SSL_set_bio(s, SSL_get_rbio(s), SSL_get_rbio(s)); | |
711 | ret = 1; | |
712 | err: | |
713 | return (ret); | |
714 | } | |
715 | ||
716 | int SSL_set_rfd(SSL *s, int fd) | |
717 | { | |
718 | int ret = 0; | |
719 | BIO *bio = NULL; | |
720 | ||
721 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) | |
722 | || ((int)BIO_get_fd(s->wbio, NULL) != fd)) { | |
723 | bio = BIO_new(BIO_s_socket()); | |
724 | ||
725 | if (bio == NULL) { | |
726 | SSLerr(SSL_F_SSL_SET_RFD, ERR_R_BUF_LIB); | |
727 | goto err; | |
728 | } | |
729 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
730 | SSL_set_bio(s, bio, SSL_get_wbio(s)); | |
731 | } else | |
732 | SSL_set_bio(s, SSL_get_wbio(s), SSL_get_wbio(s)); | |
733 | ret = 1; | |
734 | err: | |
735 | return (ret); | |
736 | } | |
737 | #endif | |
ca03109c BM |
738 | |
739 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 740 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
741 | { |
742 | size_t ret = 0; | |
743 | ||
744 | if (s->s3 != NULL) { | |
745 | ret = s->s3->tmp.finish_md_len; | |
746 | if (count > ret) | |
747 | count = ret; | |
748 | memcpy(buf, s->s3->tmp.finish_md, count); | |
749 | } | |
750 | return ret; | |
751 | } | |
ca03109c BM |
752 | |
753 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 754 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
755 | { |
756 | size_t ret = 0; | |
ca03109c | 757 | |
0f113f3e MC |
758 | if (s->s3 != NULL) { |
759 | ret = s->s3->tmp.peer_finish_md_len; | |
760 | if (count > ret) | |
761 | count = ret; | |
762 | memcpy(buf, s->s3->tmp.peer_finish_md, count); | |
763 | } | |
764 | return ret; | |
765 | } | |
ca03109c | 766 | |
0821bcd4 | 767 | int SSL_get_verify_mode(const SSL *s) |
0f113f3e MC |
768 | { |
769 | return (s->verify_mode); | |
770 | } | |
d02b48c6 | 771 | |
0821bcd4 | 772 | int SSL_get_verify_depth(const SSL *s) |
0f113f3e MC |
773 | { |
774 | return X509_VERIFY_PARAM_get_depth(s->param); | |
775 | } | |
7f89714e | 776 | |
0f113f3e MC |
777 | int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) { |
778 | return (s->verify_callback); | |
779 | } | |
d02b48c6 | 780 | |
0821bcd4 | 781 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
0f113f3e MC |
782 | { |
783 | return (ctx->verify_mode); | |
784 | } | |
d02b48c6 | 785 | |
0821bcd4 | 786 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
0f113f3e MC |
787 | { |
788 | return X509_VERIFY_PARAM_get_depth(ctx->param); | |
789 | } | |
790 | ||
791 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) { | |
792 | return (ctx->default_verify_callback); | |
793 | } | |
794 | ||
795 | void SSL_set_verify(SSL *s, int mode, | |
796 | int (*callback) (int ok, X509_STORE_CTX *ctx)) | |
797 | { | |
798 | s->verify_mode = mode; | |
799 | if (callback != NULL) | |
800 | s->verify_callback = callback; | |
801 | } | |
802 | ||
803 | void SSL_set_verify_depth(SSL *s, int depth) | |
804 | { | |
805 | X509_VERIFY_PARAM_set_depth(s->param, depth); | |
806 | } | |
807 | ||
808 | void SSL_set_read_ahead(SSL *s, int yes) | |
809 | { | |
52e1d7b1 | 810 | RECORD_LAYER_set_read_ahead(&s->rlayer, yes); |
0f113f3e | 811 | } |
d02b48c6 | 812 | |
0821bcd4 | 813 | int SSL_get_read_ahead(const SSL *s) |
0f113f3e | 814 | { |
52e1d7b1 | 815 | return RECORD_LAYER_get_read_ahead(&s->rlayer); |
0f113f3e | 816 | } |
d02b48c6 | 817 | |
0821bcd4 | 818 | int SSL_pending(const SSL *s) |
0f113f3e MC |
819 | { |
820 | /* | |
821 | * SSL_pending cannot work properly if read-ahead is enabled | |
822 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is | |
823 | * impossible to fix since SSL_pending cannot report errors that may be | |
824 | * observed while scanning the new data. (Note that SSL_pending() is | |
825 | * often used as a boolean value, so we'd better not return -1.) | |
826 | */ | |
827 | return (s->method->ssl_pending(s)); | |
828 | } | |
d02b48c6 | 829 | |
0821bcd4 | 830 | X509 *SSL_get_peer_certificate(const SSL *s) |
0f113f3e MC |
831 | { |
832 | X509 *r; | |
d02b48c6 | 833 | |
0f113f3e MC |
834 | if ((s == NULL) || (s->session == NULL)) |
835 | r = NULL; | |
836 | else | |
837 | r = s->session->peer; | |
d02b48c6 | 838 | |
0f113f3e MC |
839 | if (r == NULL) |
840 | return (r); | |
d02b48c6 | 841 | |
05f0fb9f | 842 | X509_up_ref(r); |
0f113f3e MC |
843 | |
844 | return (r); | |
845 | } | |
d02b48c6 | 846 | |
0821bcd4 | 847 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
0f113f3e MC |
848 | { |
849 | STACK_OF(X509) *r; | |
850 | ||
c34b0f99 | 851 | if ((s == NULL) || (s->session == NULL)) |
0f113f3e MC |
852 | r = NULL; |
853 | else | |
c34b0f99 | 854 | r = s->session->peer_chain; |
0f113f3e MC |
855 | |
856 | /* | |
857 | * If we are a client, cert_chain includes the peer's own certificate; if | |
858 | * we are a server, it does not. | |
859 | */ | |
860 | ||
861 | return (r); | |
862 | } | |
863 | ||
864 | /* | |
865 | * Now in theory, since the calling process own 't' it should be safe to | |
866 | * modify. We need to be able to read f without being hassled | |
867 | */ | |
17dd65e6 | 868 | int SSL_copy_session_id(SSL *t, const SSL *f) |
0f113f3e | 869 | { |
0f113f3e | 870 | /* Do we need to to SSL locking? */ |
61986d32 | 871 | if (!SSL_set_session(t, SSL_get_session(f))) { |
17dd65e6 | 872 | return 0; |
69f68237 | 873 | } |
0f113f3e MC |
874 | |
875 | /* | |
87d9cafa | 876 | * what if we are setup for one protocol version but want to talk another |
0f113f3e MC |
877 | */ |
878 | if (t->method != f->method) { | |
879 | t->method->ssl_free(t); /* cleanup current */ | |
880 | t->method = f->method; /* change method */ | |
881 | t->method->ssl_new(t); /* setup new */ | |
882 | } | |
883 | ||
24a0d393 KR |
884 | CRYPTO_add(&f->cert->references, 1, CRYPTO_LOCK_SSL_CERT); |
885 | ssl_cert_free(t->cert); | |
886 | t->cert = f->cert; | |
61986d32 | 887 | if (!SSL_set_session_id_context(t, f->sid_ctx, f->sid_ctx_length)) { |
17dd65e6 | 888 | return 0; |
69f68237 | 889 | } |
17dd65e6 MC |
890 | |
891 | return 1; | |
0f113f3e | 892 | } |
d02b48c6 | 893 | |
58964a49 | 894 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 895 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
0f113f3e MC |
896 | { |
897 | if ((ctx == NULL) || | |
24a0d393 | 898 | (ctx->cert->key->x509 == NULL)) { |
0f113f3e MC |
899 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY, |
900 | SSL_R_NO_CERTIFICATE_ASSIGNED); | |
901 | return (0); | |
902 | } | |
903 | if (ctx->cert->key->privatekey == NULL) { | |
904 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY, | |
905 | SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
906 | return (0); | |
907 | } | |
908 | return (X509_check_private_key | |
909 | (ctx->cert->key->x509, ctx->cert->key->privatekey)); | |
910 | } | |
d02b48c6 | 911 | |
58964a49 | 912 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 913 | int SSL_check_private_key(const SSL *ssl) |
0f113f3e MC |
914 | { |
915 | if (ssl == NULL) { | |
916 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, ERR_R_PASSED_NULL_PARAMETER); | |
917 | return (0); | |
918 | } | |
0f113f3e MC |
919 | if (ssl->cert->key->x509 == NULL) { |
920 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, SSL_R_NO_CERTIFICATE_ASSIGNED); | |
921 | return (0); | |
922 | } | |
923 | if (ssl->cert->key->privatekey == NULL) { | |
924 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
925 | return (0); | |
926 | } | |
927 | return (X509_check_private_key(ssl->cert->key->x509, | |
928 | ssl->cert->key->privatekey)); | |
929 | } | |
d02b48c6 | 930 | |
07bbc92c MC |
931 | int SSL_waiting_for_async(SSL *s) |
932 | { | |
82676094 MC |
933 | if(s->job) |
934 | return 1; | |
935 | ||
07bbc92c MC |
936 | return 0; |
937 | } | |
938 | ||
f4da39d2 MC |
939 | int SSL_get_async_wait_fd(SSL *s) |
940 | { | |
941 | if (!s->job) | |
9920a58e | 942 | return -1; |
f4da39d2 MC |
943 | |
944 | return ASYNC_get_wait_fd(s->job); | |
945 | } | |
946 | ||
4f43d0e7 | 947 | int SSL_accept(SSL *s) |
0f113f3e | 948 | { |
add2f5ca | 949 | if (s->handshake_func == 0) { |
0f113f3e MC |
950 | /* Not properly initialized yet */ |
951 | SSL_set_accept_state(s); | |
07bbc92c | 952 | } |
add2f5ca MC |
953 | |
954 | return SSL_do_handshake(s); | |
0f113f3e | 955 | } |
d02b48c6 | 956 | |
4f43d0e7 | 957 | int SSL_connect(SSL *s) |
0f113f3e | 958 | { |
add2f5ca | 959 | if (s->handshake_func == 0) { |
0f113f3e MC |
960 | /* Not properly initialized yet */ |
961 | SSL_set_connect_state(s); | |
add2f5ca | 962 | } |
b31b04d9 | 963 | |
add2f5ca | 964 | return SSL_do_handshake(s); |
0f113f3e | 965 | } |
d02b48c6 | 966 | |
0821bcd4 | 967 | long SSL_get_default_timeout(const SSL *s) |
0f113f3e MC |
968 | { |
969 | return (s->method->get_timeout()); | |
970 | } | |
971 | ||
add2f5ca MC |
972 | static int start_async_job(SSL *s, struct ssl_async_args *args, |
973 | int (*func)(void *)) { | |
974 | int ret; | |
975 | switch(ASYNC_start_job(&s->job, &ret, func, args, | |
976 | sizeof(struct ssl_async_args))) { | |
977 | case ASYNC_ERR: | |
978 | s->rwstate = SSL_NOTHING; | |
979 | SSLerr(SSL_F_START_ASYNC_JOB, SSL_R_FAILED_TO_INIT_ASYNC); | |
980 | return -1; | |
981 | case ASYNC_PAUSE: | |
982 | s->rwstate = SSL_ASYNC_PAUSED; | |
983 | return -1; | |
984 | case ASYNC_FINISH: | |
985 | s->job = NULL; | |
986 | return ret; | |
987 | default: | |
988 | s->rwstate = SSL_NOTHING; | |
989 | SSLerr(SSL_F_START_ASYNC_JOB, ERR_R_INTERNAL_ERROR); | |
990 | /* Shouldn't happen */ | |
991 | return -1; | |
992 | } | |
993 | } | |
07bbc92c | 994 | |
add2f5ca | 995 | static int ssl_io_intern(void *vargs) |
07bbc92c MC |
996 | { |
997 | struct ssl_async_args *args; | |
998 | SSL *s; | |
999 | void *buf; | |
1000 | int num; | |
1001 | ||
1002 | args = (struct ssl_async_args *)vargs; | |
1003 | s = args->s; | |
1004 | buf = args->buf; | |
1005 | num = args->num; | |
add2f5ca MC |
1006 | if (args->type == 1) |
1007 | return args->f.func1(s, buf, num); | |
1008 | else | |
1009 | return args->f.func2(s, buf, num); | |
07bbc92c MC |
1010 | } |
1011 | ||
0f113f3e MC |
1012 | int SSL_read(SSL *s, void *buf, int num) |
1013 | { | |
1014 | if (s->handshake_func == 0) { | |
1015 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); | |
1016 | return -1; | |
1017 | } | |
1018 | ||
1019 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) { | |
1020 | s->rwstate = SSL_NOTHING; | |
1021 | return (0); | |
1022 | } | |
07bbc92c | 1023 | |
44a27ac2 | 1024 | if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca MC |
1025 | struct ssl_async_args args; |
1026 | ||
1027 | args.s = s; | |
1028 | args.buf = buf; | |
1029 | args.num = num; | |
1030 | args.type = 1; | |
1031 | args.f.func1 = s->method->ssl_read; | |
1032 | ||
1033 | return start_async_job(s, &args, ssl_io_intern); | |
07bbc92c MC |
1034 | } else { |
1035 | return s->method->ssl_read(s, buf, num); | |
1036 | } | |
0f113f3e MC |
1037 | } |
1038 | ||
1039 | int SSL_peek(SSL *s, void *buf, int num) | |
1040 | { | |
1041 | if (s->handshake_func == 0) { | |
1042 | SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED); | |
1043 | return -1; | |
1044 | } | |
1045 | ||
1046 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) { | |
1047 | return (0); | |
1048 | } | |
add2f5ca MC |
1049 | if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
1050 | struct ssl_async_args args; | |
0f113f3e | 1051 | |
add2f5ca MC |
1052 | args.s = s; |
1053 | args.buf = buf; | |
1054 | args.num = num; | |
1055 | args.type = 1; | |
1056 | args.f.func1 = s->method->ssl_peek; | |
07bbc92c | 1057 | |
add2f5ca MC |
1058 | return start_async_job(s, &args, ssl_io_intern); |
1059 | } else { | |
1060 | return s->method->ssl_peek(s, buf, num); | |
1061 | } | |
07bbc92c MC |
1062 | } |
1063 | ||
0f113f3e MC |
1064 | int SSL_write(SSL *s, const void *buf, int num) |
1065 | { | |
1066 | if (s->handshake_func == 0) { | |
1067 | SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); | |
1068 | return -1; | |
1069 | } | |
1070 | ||
1071 | if (s->shutdown & SSL_SENT_SHUTDOWN) { | |
1072 | s->rwstate = SSL_NOTHING; | |
1073 | SSLerr(SSL_F_SSL_WRITE, SSL_R_PROTOCOL_IS_SHUTDOWN); | |
1074 | return (-1); | |
1075 | } | |
07bbc92c | 1076 | |
44a27ac2 | 1077 | if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
add2f5ca MC |
1078 | struct ssl_async_args args; |
1079 | ||
1080 | args.s = s; | |
1081 | args.buf = (void *)buf; | |
1082 | args.num = num; | |
1083 | args.type = 2; | |
1084 | args.f.func2 = s->method->ssl_write; | |
1085 | ||
1086 | return start_async_job(s, &args, ssl_io_intern); | |
07bbc92c MC |
1087 | } else { |
1088 | return s->method->ssl_write(s, buf, num); | |
1089 | } | |
0f113f3e | 1090 | } |
d02b48c6 | 1091 | |
4f43d0e7 | 1092 | int SSL_shutdown(SSL *s) |
0f113f3e MC |
1093 | { |
1094 | /* | |
1095 | * Note that this function behaves differently from what one might | |
1096 | * expect. Return values are 0 for no success (yet), 1 for success; but | |
1097 | * calling it once is usually not enough, even if blocking I/O is used | |
1098 | * (see ssl3_shutdown). | |
1099 | */ | |
1100 | ||
1101 | if (s->handshake_func == 0) { | |
1102 | SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); | |
1103 | return -1; | |
1104 | } | |
1105 | ||
3457e7a0 | 1106 | if (!SSL_in_init(s)) |
0f113f3e MC |
1107 | return (s->method->ssl_shutdown(s)); |
1108 | else | |
1109 | return (1); | |
1110 | } | |
d02b48c6 | 1111 | |
4f43d0e7 | 1112 | int SSL_renegotiate(SSL *s) |
0f113f3e MC |
1113 | { |
1114 | if (s->renegotiate == 0) | |
1115 | s->renegotiate = 1; | |
44959ee4 | 1116 | |
0f113f3e | 1117 | s->new_session = 1; |
44959ee4 | 1118 | |
0f113f3e MC |
1119 | return (s->method->ssl_renegotiate(s)); |
1120 | } | |
d02b48c6 | 1121 | |
44959ee4 | 1122 | int SSL_renegotiate_abbreviated(SSL *s) |
0f113f3e MC |
1123 | { |
1124 | if (s->renegotiate == 0) | |
1125 | s->renegotiate = 1; | |
c519e89f | 1126 | |
0f113f3e | 1127 | s->new_session = 0; |
c519e89f | 1128 | |
0f113f3e MC |
1129 | return (s->method->ssl_renegotiate(s)); |
1130 | } | |
44959ee4 | 1131 | |
6b0e9fac | 1132 | int SSL_renegotiate_pending(SSL *s) |
0f113f3e MC |
1133 | { |
1134 | /* | |
1135 | * becomes true when negotiation is requested; false again once a | |
1136 | * handshake has finished | |
1137 | */ | |
1138 | return (s->renegotiate != 0); | |
1139 | } | |
1140 | ||
1141 | long SSL_ctrl(SSL *s, int cmd, long larg, void *parg) | |
1142 | { | |
1143 | long l; | |
1144 | ||
1145 | switch (cmd) { | |
1146 | case SSL_CTRL_GET_READ_AHEAD: | |
52e1d7b1 | 1147 | return (RECORD_LAYER_get_read_ahead(&s->rlayer)); |
0f113f3e | 1148 | case SSL_CTRL_SET_READ_AHEAD: |
52e1d7b1 MC |
1149 | l = RECORD_LAYER_get_read_ahead(&s->rlayer); |
1150 | RECORD_LAYER_set_read_ahead(&s->rlayer, larg); | |
0f113f3e MC |
1151 | return (l); |
1152 | ||
1153 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1154 | s->msg_callback_arg = parg; | |
1155 | return 1; | |
1156 | ||
1157 | case SSL_CTRL_OPTIONS: | |
1158 | return (s->options |= larg); | |
1159 | case SSL_CTRL_CLEAR_OPTIONS: | |
1160 | return (s->options &= ~larg); | |
1161 | case SSL_CTRL_MODE: | |
1162 | return (s->mode |= larg); | |
1163 | case SSL_CTRL_CLEAR_MODE: | |
1164 | return (s->mode &= ~larg); | |
1165 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
1166 | return (s->max_cert_list); | |
1167 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1168 | l = s->max_cert_list; | |
1169 | s->max_cert_list = larg; | |
1170 | return (l); | |
1171 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
1172 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1173 | return 0; | |
1174 | s->max_send_fragment = larg; | |
1175 | return 1; | |
1176 | case SSL_CTRL_GET_RI_SUPPORT: | |
1177 | if (s->s3) | |
1178 | return s->s3->send_connection_binding; | |
1179 | else | |
1180 | return 0; | |
1181 | case SSL_CTRL_CERT_FLAGS: | |
1182 | return (s->cert->cert_flags |= larg); | |
1183 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
1184 | return (s->cert->cert_flags &= ~larg); | |
1185 | ||
1186 | case SSL_CTRL_GET_RAW_CIPHERLIST: | |
1187 | if (parg) { | |
76106e60 | 1188 | if (s->s3->tmp.ciphers_raw == NULL) |
0f113f3e | 1189 | return 0; |
76106e60 DSH |
1190 | *(unsigned char **)parg = s->s3->tmp.ciphers_raw; |
1191 | return (int)s->s3->tmp.ciphers_rawlen; | |
e9fa092e EK |
1192 | } else { |
1193 | return TLS_CIPHER_LEN; | |
1194 | } | |
c5364614 | 1195 | case SSL_CTRL_GET_EXTMS_SUPPORT: |
024f543c | 1196 | if (!s->session || SSL_in_init(s) || ossl_statem_get_in_handshake(s)) |
156a8722 DSH |
1197 | return -1; |
1198 | if (s->session->flags & SSL_SESS_FLAG_EXTMS) | |
c5364614 DSH |
1199 | return 1; |
1200 | else | |
1201 | return 0; | |
0f113f3e MC |
1202 | default: |
1203 | return (s->method->ssl_ctrl(s, cmd, larg, parg)); | |
1204 | } | |
1205 | } | |
1206 | ||
1207 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) | |
1208 | { | |
1209 | switch (cmd) { | |
1210 | case SSL_CTRL_SET_MSG_CALLBACK: | |
1211 | s->msg_callback = (void (*) | |
1212 | (int write_p, int version, int content_type, | |
1213 | const void *buf, size_t len, SSL *ssl, | |
1214 | void *arg))(fp); | |
1215 | return 1; | |
1216 | ||
1217 | default: | |
1218 | return (s->method->ssl_callback_ctrl(s, cmd, fp)); | |
1219 | } | |
1220 | } | |
d3442bc7 | 1221 | |
3c1d6bbc | 1222 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
0f113f3e MC |
1223 | { |
1224 | return ctx->sessions; | |
1225 | } | |
1226 | ||
1227 | long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) | |
1228 | { | |
1229 | long l; | |
1230 | /* For some cases with ctx == NULL perform syntax checks */ | |
1231 | if (ctx == NULL) { | |
1232 | switch (cmd) { | |
14536c8c | 1233 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
1234 | case SSL_CTRL_SET_CURVES_LIST: |
1235 | return tls1_set_curves_list(NULL, NULL, parg); | |
1236 | #endif | |
1237 | case SSL_CTRL_SET_SIGALGS_LIST: | |
1238 | case SSL_CTRL_SET_CLIENT_SIGALGS_LIST: | |
1239 | return tls1_set_sigalgs_list(NULL, parg, 0); | |
1240 | default: | |
1241 | return 0; | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | switch (cmd) { | |
1246 | case SSL_CTRL_GET_READ_AHEAD: | |
1247 | return (ctx->read_ahead); | |
1248 | case SSL_CTRL_SET_READ_AHEAD: | |
1249 | l = ctx->read_ahead; | |
1250 | ctx->read_ahead = larg; | |
1251 | return (l); | |
1252 | ||
1253 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1254 | ctx->msg_callback_arg = parg; | |
1255 | return 1; | |
1256 | ||
1257 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
1258 | return (ctx->max_cert_list); | |
1259 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1260 | l = ctx->max_cert_list; | |
1261 | ctx->max_cert_list = larg; | |
1262 | return (l); | |
1263 | ||
1264 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
1265 | l = ctx->session_cache_size; | |
1266 | ctx->session_cache_size = larg; | |
1267 | return (l); | |
1268 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
1269 | return (ctx->session_cache_size); | |
1270 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
1271 | l = ctx->session_cache_mode; | |
1272 | ctx->session_cache_mode = larg; | |
1273 | return (l); | |
1274 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
1275 | return (ctx->session_cache_mode); | |
1276 | ||
1277 | case SSL_CTRL_SESS_NUMBER: | |
1278 | return (lh_SSL_SESSION_num_items(ctx->sessions)); | |
1279 | case SSL_CTRL_SESS_CONNECT: | |
1280 | return (ctx->stats.sess_connect); | |
1281 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
1282 | return (ctx->stats.sess_connect_good); | |
1283 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
1284 | return (ctx->stats.sess_connect_renegotiate); | |
1285 | case SSL_CTRL_SESS_ACCEPT: | |
1286 | return (ctx->stats.sess_accept); | |
1287 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
1288 | return (ctx->stats.sess_accept_good); | |
1289 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
1290 | return (ctx->stats.sess_accept_renegotiate); | |
1291 | case SSL_CTRL_SESS_HIT: | |
1292 | return (ctx->stats.sess_hit); | |
1293 | case SSL_CTRL_SESS_CB_HIT: | |
1294 | return (ctx->stats.sess_cb_hit); | |
1295 | case SSL_CTRL_SESS_MISSES: | |
1296 | return (ctx->stats.sess_miss); | |
1297 | case SSL_CTRL_SESS_TIMEOUTS: | |
1298 | return (ctx->stats.sess_timeout); | |
1299 | case SSL_CTRL_SESS_CACHE_FULL: | |
1300 | return (ctx->stats.sess_cache_full); | |
1301 | case SSL_CTRL_OPTIONS: | |
1302 | return (ctx->options |= larg); | |
1303 | case SSL_CTRL_CLEAR_OPTIONS: | |
1304 | return (ctx->options &= ~larg); | |
1305 | case SSL_CTRL_MODE: | |
1306 | return (ctx->mode |= larg); | |
1307 | case SSL_CTRL_CLEAR_MODE: | |
1308 | return (ctx->mode &= ~larg); | |
1309 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
1310 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1311 | return 0; | |
1312 | ctx->max_send_fragment = larg; | |
1313 | return 1; | |
1314 | case SSL_CTRL_CERT_FLAGS: | |
1315 | return (ctx->cert->cert_flags |= larg); | |
1316 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
1317 | return (ctx->cert->cert_flags &= ~larg); | |
1318 | default: | |
1319 | return (ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg)); | |
1320 | } | |
1321 | } | |
1322 | ||
1323 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) | |
1324 | { | |
1325 | switch (cmd) { | |
1326 | case SSL_CTRL_SET_MSG_CALLBACK: | |
1327 | ctx->msg_callback = (void (*) | |
1328 | (int write_p, int version, int content_type, | |
1329 | const void *buf, size_t len, SSL *ssl, | |
1330 | void *arg))(fp); | |
1331 | return 1; | |
1332 | ||
1333 | default: | |
1334 | return (ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp)); | |
1335 | } | |
1336 | } | |
d3442bc7 | 1337 | |
ccd86b68 | 1338 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
0f113f3e | 1339 | { |
90d9e49a DSH |
1340 | if (a->id > b->id) |
1341 | return 1; | |
1342 | if (a->id < b->id) | |
1343 | return -1; | |
1344 | return 0; | |
0f113f3e MC |
1345 | } |
1346 | ||
1347 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, | |
1348 | const SSL_CIPHER *const *bp) | |
1349 | { | |
90d9e49a DSH |
1350 | if ((*ap)->id > (*bp)->id) |
1351 | return 1; | |
1352 | if ((*ap)->id < (*bp)->id) | |
1353 | return -1; | |
1354 | return 0; | |
0f113f3e | 1355 | } |
d02b48c6 | 1356 | |
4f43d0e7 | 1357 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1358 | * preference */ |
0821bcd4 | 1359 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
0f113f3e MC |
1360 | { |
1361 | if (s != NULL) { | |
1362 | if (s->cipher_list != NULL) { | |
1363 | return (s->cipher_list); | |
1364 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) { | |
1365 | return (s->ctx->cipher_list); | |
1366 | } | |
1367 | } | |
1368 | return (NULL); | |
1369 | } | |
1370 | ||
831eef2c NM |
1371 | STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s) |
1372 | { | |
1373 | if ((s == NULL) || (s->session == NULL) || !s->server) | |
1374 | return NULL; | |
1375 | return s->session->ciphers; | |
1376 | } | |
1377 | ||
8b8e5bed | 1378 | STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s) |
0f113f3e MC |
1379 | { |
1380 | STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers; | |
1381 | int i; | |
1382 | ciphers = SSL_get_ciphers(s); | |
1383 | if (!ciphers) | |
1384 | return NULL; | |
1385 | ssl_set_client_disabled(s); | |
1386 | for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) { | |
1387 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i); | |
1388 | if (!ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED)) { | |
1389 | if (!sk) | |
1390 | sk = sk_SSL_CIPHER_new_null(); | |
1391 | if (!sk) | |
1392 | return NULL; | |
1393 | if (!sk_SSL_CIPHER_push(sk, c)) { | |
1394 | sk_SSL_CIPHER_free(sk); | |
1395 | return NULL; | |
1396 | } | |
1397 | } | |
1398 | } | |
1399 | return sk; | |
1400 | } | |
8b8e5bed | 1401 | |
4f43d0e7 | 1402 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1403 | * algorithm id */ |
f73e07cf | 1404 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
0f113f3e MC |
1405 | { |
1406 | if (s != NULL) { | |
1407 | if (s->cipher_list_by_id != NULL) { | |
1408 | return (s->cipher_list_by_id); | |
1409 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list_by_id != NULL)) { | |
1410 | return (s->ctx->cipher_list_by_id); | |
1411 | } | |
1412 | } | |
1413 | return (NULL); | |
1414 | } | |
d02b48c6 | 1415 | |
4f43d0e7 | 1416 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0f113f3e MC |
1417 | const char *SSL_get_cipher_list(const SSL *s, int n) |
1418 | { | |
1419 | SSL_CIPHER *c; | |
1420 | STACK_OF(SSL_CIPHER) *sk; | |
1421 | ||
1422 | if (s == NULL) | |
1423 | return (NULL); | |
1424 | sk = SSL_get_ciphers(s); | |
1425 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) | |
1426 | return (NULL); | |
1427 | c = sk_SSL_CIPHER_value(sk, n); | |
1428 | if (c == NULL) | |
1429 | return (NULL); | |
1430 | return (c->name); | |
1431 | } | |
d02b48c6 | 1432 | |
25f923dd | 1433 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 1434 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
0f113f3e MC |
1435 | { |
1436 | STACK_OF(SSL_CIPHER) *sk; | |
1437 | ||
1438 | sk = ssl_create_cipher_list(ctx->method, &ctx->cipher_list, | |
1439 | &ctx->cipher_list_by_id, str, ctx->cert); | |
1440 | /* | |
1441 | * ssl_create_cipher_list may return an empty stack if it was unable to | |
1442 | * find a cipher matching the given rule string (for example if the rule | |
1443 | * string specifies a cipher which has been disabled). This is not an | |
1444 | * error as far as ssl_create_cipher_list is concerned, and hence | |
1445 | * ctx->cipher_list and ctx->cipher_list_by_id has been updated. | |
1446 | */ | |
1447 | if (sk == NULL) | |
1448 | return 0; | |
1449 | else if (sk_SSL_CIPHER_num(sk) == 0) { | |
1450 | SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1451 | return 0; | |
1452 | } | |
1453 | return 1; | |
1454 | } | |
d02b48c6 | 1455 | |
4f43d0e7 | 1456 | /** specify the ciphers to be used by the SSL */ |
0f113f3e MC |
1457 | int SSL_set_cipher_list(SSL *s, const char *str) |
1458 | { | |
1459 | STACK_OF(SSL_CIPHER) *sk; | |
1460 | ||
1461 | sk = ssl_create_cipher_list(s->ctx->method, &s->cipher_list, | |
1462 | &s->cipher_list_by_id, str, s->cert); | |
1463 | /* see comment in SSL_CTX_set_cipher_list */ | |
1464 | if (sk == NULL) | |
1465 | return 0; | |
1466 | else if (sk_SSL_CIPHER_num(sk) == 0) { | |
1467 | SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1468 | return 0; | |
1469 | } | |
1470 | return 1; | |
1471 | } | |
d02b48c6 | 1472 | |
0f113f3e MC |
1473 | char *SSL_get_shared_ciphers(const SSL *s, char *buf, int len) |
1474 | { | |
1475 | char *p; | |
1476 | STACK_OF(SSL_CIPHER) *sk; | |
1477 | SSL_CIPHER *c; | |
1478 | int i; | |
1479 | ||
1480 | if ((s->session == NULL) || (s->session->ciphers == NULL) || (len < 2)) | |
1481 | return (NULL); | |
1482 | ||
1483 | p = buf; | |
1484 | sk = s->session->ciphers; | |
1485 | ||
1486 | if (sk_SSL_CIPHER_num(sk) == 0) | |
1487 | return NULL; | |
1488 | ||
1489 | for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { | |
1490 | int n; | |
1491 | ||
1492 | c = sk_SSL_CIPHER_value(sk, i); | |
1493 | n = strlen(c->name); | |
1494 | if (n + 1 > len) { | |
1495 | if (p != buf) | |
1496 | --p; | |
1497 | *p = '\0'; | |
1498 | return buf; | |
1499 | } | |
1500 | strcpy(p, c->name); | |
1501 | p += n; | |
1502 | *(p++) = ':'; | |
1503 | len -= n + 1; | |
1504 | } | |
1505 | p[-1] = '\0'; | |
1506 | return (buf); | |
1507 | } | |
1508 | ||
52b8dad8 | 1509 | /** return a servername extension value if provided in Client Hello, or NULL. |
f1fd4544 | 1510 | * So far, only host_name types are defined (RFC 3546). |
ed3883d2 BM |
1511 | */ |
1512 | ||
f1fd4544 | 1513 | const char *SSL_get_servername(const SSL *s, const int type) |
0f113f3e MC |
1514 | { |
1515 | if (type != TLSEXT_NAMETYPE_host_name) | |
1516 | return NULL; | |
a13c20f6 | 1517 | |
0f113f3e MC |
1518 | return s->session && !s->tlsext_hostname ? |
1519 | s->session->tlsext_hostname : s->tlsext_hostname; | |
1520 | } | |
ed3883d2 | 1521 | |
f1fd4544 | 1522 | int SSL_get_servername_type(const SSL *s) |
0f113f3e MC |
1523 | { |
1524 | if (s->session | |
1525 | && (!s->tlsext_hostname ? s->session-> | |
1526 | tlsext_hostname : s->tlsext_hostname)) | |
1527 | return TLSEXT_NAMETYPE_host_name; | |
1528 | return -1; | |
1529 | } | |
ee2ffc27 | 1530 | |
0f113f3e MC |
1531 | /* |
1532 | * SSL_select_next_proto implements the standard protocol selection. It is | |
ee2ffc27 | 1533 | * expected that this function is called from the callback set by |
0f113f3e MC |
1534 | * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a |
1535 | * vector of 8-bit, length prefixed byte strings. The length byte itself is | |
1536 | * not included in the length. A byte string of length 0 is invalid. No byte | |
1537 | * string may be truncated. The current, but experimental algorithm for | |
1538 | * selecting the protocol is: 1) If the server doesn't support NPN then this | |
1539 | * is indicated to the callback. In this case, the client application has to | |
1540 | * abort the connection or have a default application level protocol. 2) If | |
1541 | * the server supports NPN, but advertises an empty list then the client | |
1542 | * selects the first protcol in its list, but indicates via the API that this | |
1543 | * fallback case was enacted. 3) Otherwise, the client finds the first | |
1544 | * protocol in the server's list that it supports and selects this protocol. | |
1545 | * This is because it's assumed that the server has better information about | |
1546 | * which protocol a client should use. 4) If the client doesn't support any | |
1547 | * of the server's advertised protocols, then this is treated the same as | |
1548 | * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was | |
1549 | * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. | |
ee2ffc27 | 1550 | */ |
0f113f3e MC |
1551 | int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, |
1552 | const unsigned char *server, | |
1553 | unsigned int server_len, | |
1554 | const unsigned char *client, | |
1555 | unsigned int client_len) | |
1556 | { | |
1557 | unsigned int i, j; | |
1558 | const unsigned char *result; | |
1559 | int status = OPENSSL_NPN_UNSUPPORTED; | |
1560 | ||
1561 | /* | |
1562 | * For each protocol in server preference order, see if we support it. | |
1563 | */ | |
1564 | for (i = 0; i < server_len;) { | |
1565 | for (j = 0; j < client_len;) { | |
1566 | if (server[i] == client[j] && | |
1567 | memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { | |
1568 | /* We found a match */ | |
1569 | result = &server[i]; | |
1570 | status = OPENSSL_NPN_NEGOTIATED; | |
1571 | goto found; | |
1572 | } | |
1573 | j += client[j]; | |
1574 | j++; | |
1575 | } | |
1576 | i += server[i]; | |
1577 | i++; | |
1578 | } | |
1579 | ||
1580 | /* There's no overlap between our protocols and the server's list. */ | |
1581 | result = client; | |
1582 | status = OPENSSL_NPN_NO_OVERLAP; | |
1583 | ||
1584 | found: | |
1585 | *out = (unsigned char *)result + 1; | |
1586 | *outlen = result[0]; | |
1587 | return status; | |
1588 | } | |
ee2ffc27 | 1589 | |
e481f9b9 | 1590 | #ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e MC |
1591 | /* |
1592 | * SSL_get0_next_proto_negotiated sets *data and *len to point to the | |
1593 | * client's requested protocol for this connection and returns 0. If the | |
1594 | * client didn't request any protocol, then *data is set to NULL. Note that | |
1595 | * the client can request any protocol it chooses. The value returned from | |
1596 | * this function need not be a member of the list of supported protocols | |
ee2ffc27 BL |
1597 | * provided by the callback. |
1598 | */ | |
0f113f3e MC |
1599 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, |
1600 | unsigned *len) | |
1601 | { | |
1602 | *data = s->next_proto_negotiated; | |
1603 | if (!*data) { | |
1604 | *len = 0; | |
1605 | } else { | |
1606 | *len = s->next_proto_negotiated_len; | |
1607 | } | |
1608 | } | |
1609 | ||
1610 | /* | |
1611 | * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when | |
1612 | * a TLS server needs a list of supported protocols for Next Protocol | |
1613 | * Negotiation. The returned list must be in wire format. The list is | |
1614 | * returned by setting |out| to point to it and |outlen| to its length. This | |
1615 | * memory will not be modified, but one should assume that the SSL* keeps a | |
1616 | * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it | |
1617 | * wishes to advertise. Otherwise, no such extension will be included in the | |
1618 | * ServerHello. | |
1619 | */ | |
1620 | void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, | |
1621 | int (*cb) (SSL *ssl, | |
1622 | const unsigned char | |
1623 | **out, | |
1624 | unsigned int *outlen, | |
1625 | void *arg), void *arg) | |
1626 | { | |
1627 | ctx->next_protos_advertised_cb = cb; | |
1628 | ctx->next_protos_advertised_cb_arg = arg; | |
1629 | } | |
1630 | ||
1631 | /* | |
1632 | * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a | |
ee2ffc27 BL |
1633 | * client needs to select a protocol from the server's provided list. |out| |
1634 | * must be set to point to the selected protocol (which may be within |in|). | |
0f113f3e MC |
1635 | * The length of the protocol name must be written into |outlen|. The |
1636 | * server's advertised protocols are provided in |in| and |inlen|. The | |
1637 | * callback can assume that |in| is syntactically valid. The client must | |
1638 | * select a protocol. It is fatal to the connection if this callback returns | |
1639 | * a value other than SSL_TLSEXT_ERR_OK. | |
ee2ffc27 | 1640 | */ |
0f113f3e MC |
1641 | void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, |
1642 | int (*cb) (SSL *s, unsigned char **out, | |
1643 | unsigned char *outlen, | |
1644 | const unsigned char *in, | |
1645 | unsigned int inlen, | |
1646 | void *arg), void *arg) | |
1647 | { | |
1648 | ctx->next_proto_select_cb = cb; | |
1649 | ctx->next_proto_select_cb_arg = arg; | |
1650 | } | |
e481f9b9 | 1651 | #endif |
a398f821 | 1652 | |
0f113f3e MC |
1653 | /* |
1654 | * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|. | |
6f017a8f | 1655 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
1656 | * length-prefixed strings). Returns 0 on success. |
1657 | */ | |
1658 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, | |
1659 | unsigned protos_len) | |
1660 | { | |
25aaa98a | 1661 | OPENSSL_free(ctx->alpn_client_proto_list); |
0f113f3e | 1662 | ctx->alpn_client_proto_list = OPENSSL_malloc(protos_len); |
a71edf3b | 1663 | if (ctx->alpn_client_proto_list == NULL) |
0f113f3e MC |
1664 | return 1; |
1665 | memcpy(ctx->alpn_client_proto_list, protos, protos_len); | |
1666 | ctx->alpn_client_proto_list_len = protos_len; | |
1667 | ||
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | /* | |
1672 | * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|. | |
6f017a8f | 1673 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
1674 | * length-prefixed strings). Returns 0 on success. |
1675 | */ | |
1676 | int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, | |
1677 | unsigned protos_len) | |
1678 | { | |
25aaa98a | 1679 | OPENSSL_free(ssl->alpn_client_proto_list); |
0f113f3e | 1680 | ssl->alpn_client_proto_list = OPENSSL_malloc(protos_len); |
a71edf3b | 1681 | if (ssl->alpn_client_proto_list == NULL) |
0f113f3e MC |
1682 | return 1; |
1683 | memcpy(ssl->alpn_client_proto_list, protos, protos_len); | |
1684 | ssl->alpn_client_proto_list_len = protos_len; | |
1685 | ||
1686 | return 0; | |
1687 | } | |
1688 | ||
1689 | /* | |
1690 | * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is | |
1691 | * called during ClientHello processing in order to select an ALPN protocol | |
1692 | * from the client's list of offered protocols. | |
1693 | */ | |
1694 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, | |
1695 | int (*cb) (SSL *ssl, | |
1696 | const unsigned char **out, | |
1697 | unsigned char *outlen, | |
1698 | const unsigned char *in, | |
1699 | unsigned int inlen, | |
1700 | void *arg), void *arg) | |
1701 | { | |
1702 | ctx->alpn_select_cb = cb; | |
1703 | ctx->alpn_select_cb_arg = arg; | |
1704 | } | |
1705 | ||
1706 | /* | |
1707 | * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from | |
1708 | * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name | |
1709 | * (not including the leading length-prefix byte). If the server didn't | |
1710 | * respond with a negotiated protocol then |*len| will be zero. | |
1711 | */ | |
6f017a8f | 1712 | void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, |
0f113f3e MC |
1713 | unsigned *len) |
1714 | { | |
1715 | *data = NULL; | |
1716 | if (ssl->s3) | |
1717 | *data = ssl->s3->alpn_selected; | |
1718 | if (*data == NULL) | |
1719 | *len = 0; | |
1720 | else | |
1721 | *len = ssl->s3->alpn_selected_len; | |
1722 | } | |
1723 | ||
f1fd4544 | 1724 | |
74b4b494 | 1725 | int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e MC |
1726 | const char *label, size_t llen, |
1727 | const unsigned char *p, size_t plen, | |
1728 | int use_context) | |
1729 | { | |
1730 | if (s->version < TLS1_VERSION) | |
1731 | return -1; | |
e0af0405 | 1732 | |
0f113f3e MC |
1733 | return s->method->ssl3_enc->export_keying_material(s, out, olen, label, |
1734 | llen, p, plen, | |
1735 | use_context); | |
1736 | } | |
e0af0405 | 1737 | |
3c1d6bbc | 1738 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
0f113f3e MC |
1739 | { |
1740 | unsigned long l; | |
1741 | ||
1742 | l = (unsigned long) | |
1743 | ((unsigned int)a->session_id[0]) | | |
1744 | ((unsigned int)a->session_id[1] << 8L) | | |
1745 | ((unsigned long)a->session_id[2] << 16L) | | |
1746 | ((unsigned long)a->session_id[3] << 24L); | |
1747 | return (l); | |
1748 | } | |
1749 | ||
1750 | /* | |
1751 | * NB: If this function (or indeed the hash function which uses a sort of | |
dc644fe2 | 1752 | * coarser function than this one) is changed, ensure |
0f113f3e MC |
1753 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on |
1754 | * being able to construct an SSL_SESSION that will collide with any existing | |
1755 | * session with a matching session ID. | |
1756 | */ | |
1757 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) | |
1758 | { | |
1759 | if (a->ssl_version != b->ssl_version) | |
1760 | return (1); | |
1761 | if (a->session_id_length != b->session_id_length) | |
1762 | return (1); | |
1763 | return (memcmp(a->session_id, b->session_id, a->session_id_length)); | |
1764 | } | |
1765 | ||
1766 | /* | |
1767 | * These wrapper functions should remain rather than redeclaring | |
d0fa136c | 1768 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each |
0f113f3e MC |
1769 | * variable. The reason is that the functions aren't static, they're exposed |
1770 | * via ssl.h. | |
1771 | */ | |
3c1d6bbc BL |
1772 | static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION) |
1773 | static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION) | |
97b17195 | 1774 | |
4ebb342f | 1775 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
0f113f3e MC |
1776 | { |
1777 | SSL_CTX *ret = NULL; | |
1778 | ||
1779 | if (meth == NULL) { | |
1780 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_NULL_SSL_METHOD_PASSED); | |
1781 | return (NULL); | |
1782 | } | |
1783 | ||
1784 | if (FIPS_mode() && (meth->version < TLS1_VERSION)) { | |
1785 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE); | |
1786 | return NULL; | |
1787 | } | |
1788 | ||
1789 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) { | |
1790 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
1791 | goto err; | |
1792 | } | |
b51bce94 | 1793 | ret = OPENSSL_zalloc(sizeof(*ret)); |
0f113f3e MC |
1794 | if (ret == NULL) |
1795 | goto err; | |
1796 | ||
0f113f3e | 1797 | ret->method = meth; |
0f113f3e MC |
1798 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
1799 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; | |
64b25758 | 1800 | /* We take the system default. */ |
0f113f3e | 1801 | ret->session_timeout = meth->get_timeout(); |
0f113f3e | 1802 | ret->references = 1; |
0f113f3e | 1803 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
0f113f3e | 1804 | ret->verify_mode = SSL_VERIFY_NONE; |
0f113f3e MC |
1805 | if ((ret->cert = ssl_cert_new()) == NULL) |
1806 | goto err; | |
1807 | ||
0f113f3e MC |
1808 | ret->sessions = lh_SSL_SESSION_new(); |
1809 | if (ret->sessions == NULL) | |
1810 | goto err; | |
1811 | ret->cert_store = X509_STORE_new(); | |
1812 | if (ret->cert_store == NULL) | |
1813 | goto err; | |
1814 | ||
61986d32 | 1815 | if (!ssl_create_cipher_list(ret->method, |
0f113f3e | 1816 | &ret->cipher_list, &ret->cipher_list_by_id, |
69f68237 MC |
1817 | SSL_DEFAULT_CIPHER_LIST, ret->cert) |
1818 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) { | |
0f113f3e MC |
1819 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
1820 | goto err2; | |
1821 | } | |
1822 | ||
1823 | ret->param = X509_VERIFY_PARAM_new(); | |
a71edf3b | 1824 | if (ret->param == NULL) |
0f113f3e MC |
1825 | goto err; |
1826 | ||
1827 | if ((ret->md5 = EVP_get_digestbyname("ssl3-md5")) == NULL) { | |
1828 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
1829 | goto err2; | |
1830 | } | |
1831 | if ((ret->sha1 = EVP_get_digestbyname("ssl3-sha1")) == NULL) { | |
1832 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
1833 | goto err2; | |
1834 | } | |
1835 | ||
1836 | if ((ret->client_CA = sk_X509_NAME_new_null()) == NULL) | |
1837 | goto err; | |
1838 | ||
1839 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data); | |
1840 | ||
0f113f3e MC |
1841 | /* No compression for DTLS */ |
1842 | if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)) | |
1843 | ret->comp_methods = SSL_COMP_get_compression_methods(); | |
1844 | ||
1845 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; | |
566dda07 | 1846 | |
0f113f3e | 1847 | /* Setup RFC4507 ticket keys */ |
266483d2 | 1848 | if ((RAND_bytes(ret->tlsext_tick_key_name, 16) <= 0) |
0f113f3e MC |
1849 | || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0) |
1850 | || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0)) | |
1851 | ret->options |= SSL_OP_NO_TICKET; | |
6434abbf | 1852 | |
edc032b5 | 1853 | #ifndef OPENSSL_NO_SRP |
61986d32 | 1854 | if (!SSL_CTX_SRP_CTX_init(ret)) |
69f68237 | 1855 | goto err; |
edc032b5 | 1856 | #endif |
4db9677b | 1857 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
1858 | # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO |
1859 | # define eng_strx(x) #x | |
1860 | # define eng_str(x) eng_strx(x) | |
1861 | /* Use specific client engine automatically... ignore errors */ | |
1862 | { | |
1863 | ENGINE *eng; | |
1864 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
1865 | if (!eng) { | |
1866 | ERR_clear_error(); | |
1867 | ENGINE_load_builtin_engines(); | |
1868 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
1869 | } | |
1870 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) | |
1871 | ERR_clear_error(); | |
1872 | } | |
1873 | # endif | |
1874 | #endif | |
1875 | /* | |
1876 | * Default is to connect to non-RI servers. When RI is more widely | |
1877 | * deployed might change this. | |
1878 | */ | |
1879 | ret->options |= SSL_OP_LEGACY_SERVER_CONNECT; | |
1880 | ||
1881 | return (ret); | |
1882 | err: | |
1883 | SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
1884 | err2: | |
e0e920b1 | 1885 | SSL_CTX_free(ret); |
0f113f3e MC |
1886 | return (NULL); |
1887 | } | |
d02b48c6 | 1888 | |
4f43d0e7 | 1889 | void SSL_CTX_free(SSL_CTX *a) |
0f113f3e MC |
1890 | { |
1891 | int i; | |
d02b48c6 | 1892 | |
0f113f3e MC |
1893 | if (a == NULL) |
1894 | return; | |
d02b48c6 | 1895 | |
0f113f3e | 1896 | i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_SSL_CTX); |
58964a49 | 1897 | #ifdef REF_PRINT |
0f113f3e | 1898 | REF_PRINT("SSL_CTX", a); |
58964a49 | 1899 | #endif |
0f113f3e MC |
1900 | if (i > 0) |
1901 | return; | |
d02b48c6 | 1902 | #ifdef REF_CHECK |
0f113f3e MC |
1903 | if (i < 0) { |
1904 | fprintf(stderr, "SSL_CTX_free, bad reference count\n"); | |
1905 | abort(); /* ok */ | |
1906 | } | |
1907 | #endif | |
1908 | ||
222561fe | 1909 | X509_VERIFY_PARAM_free(a->param); |
0f113f3e MC |
1910 | |
1911 | /* | |
1912 | * Free internal session cache. However: the remove_cb() may reference | |
1913 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
1914 | * after the sessions were flushed. | |
1915 | * As the ex_data handling routines might also touch the session cache, | |
1916 | * the most secure solution seems to be: empty (flush) the cache, then | |
1917 | * free ex_data, then finally free the cache. | |
1918 | * (See ticket [openssl.org #212].) | |
1919 | */ | |
1920 | if (a->sessions != NULL) | |
1921 | SSL_CTX_flush_sessions(a, 0); | |
1922 | ||
1923 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
25aaa98a | 1924 | lh_SSL_SESSION_free(a->sessions); |
222561fe | 1925 | X509_STORE_free(a->cert_store); |
25aaa98a RS |
1926 | sk_SSL_CIPHER_free(a->cipher_list); |
1927 | sk_SSL_CIPHER_free(a->cipher_list_by_id); | |
e0e920b1 | 1928 | ssl_cert_free(a->cert); |
222561fe RS |
1929 | sk_X509_NAME_pop_free(a->client_CA, X509_NAME_free); |
1930 | sk_X509_pop_free(a->extra_certs, X509_free); | |
0f113f3e | 1931 | a->comp_methods = NULL; |
e783bae2 | 1932 | #ifndef OPENSSL_NO_SRTP |
25aaa98a | 1933 | sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles); |
e783bae2 | 1934 | #endif |
edc032b5 | 1935 | #ifndef OPENSSL_NO_SRP |
0f113f3e | 1936 | SSL_CTX_SRP_CTX_free(a); |
edc032b5 | 1937 | #endif |
bdfe932d | 1938 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
1939 | if (a->client_cert_engine) |
1940 | ENGINE_finish(a->client_cert_engine); | |
ddac1974 | 1941 | #endif |
8671b898 | 1942 | |
e481f9b9 | 1943 | #ifndef OPENSSL_NO_EC |
25aaa98a RS |
1944 | OPENSSL_free(a->tlsext_ecpointformatlist); |
1945 | OPENSSL_free(a->tlsext_ellipticcurvelist); | |
8671b898 | 1946 | #endif |
e481f9b9 | 1947 | OPENSSL_free(a->alpn_client_proto_list); |
8671b898 | 1948 | |
0f113f3e MC |
1949 | OPENSSL_free(a); |
1950 | } | |
d02b48c6 | 1951 | |
3ae76679 | 1952 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
0f113f3e MC |
1953 | { |
1954 | ctx->default_passwd_callback = cb; | |
1955 | } | |
1956 | ||
1957 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u) | |
1958 | { | |
1959 | ctx->default_passwd_callback_userdata = u; | |
1960 | } | |
1961 | ||
a974e64a MC |
1962 | void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb) |
1963 | { | |
1964 | s->default_passwd_callback = cb; | |
1965 | } | |
1966 | ||
1967 | void SSL_set_default_passwd_cb_userdata(SSL *s, void *u) | |
1968 | { | |
1969 | s->default_passwd_callback_userdata = u; | |
1970 | } | |
1971 | ||
0f113f3e MC |
1972 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, |
1973 | int (*cb) (X509_STORE_CTX *, void *), | |
1974 | void *arg) | |
1975 | { | |
1976 | ctx->app_verify_callback = cb; | |
1977 | ctx->app_verify_arg = arg; | |
1978 | } | |
1979 | ||
1980 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, | |
1981 | int (*cb) (int, X509_STORE_CTX *)) | |
1982 | { | |
1983 | ctx->verify_mode = mode; | |
1984 | ctx->default_verify_callback = cb; | |
1985 | } | |
1986 | ||
1987 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) | |
1988 | { | |
1989 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); | |
1990 | } | |
1991 | ||
1992 | void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), | |
1993 | void *arg) | |
1994 | { | |
1995 | ssl_cert_set_cert_cb(c->cert, cb, arg); | |
1996 | } | |
1997 | ||
1998 | void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg) | |
1999 | { | |
2000 | ssl_cert_set_cert_cb(s->cert, cb, arg); | |
2001 | } | |
18d71588 | 2002 | |
6383d316 | 2003 | void ssl_set_masks(SSL *s, const SSL_CIPHER *cipher) |
0f113f3e MC |
2004 | { |
2005 | CERT_PKEY *cpk; | |
6383d316 | 2006 | CERT *c = s->cert; |
f7d53487 | 2007 | uint32_t *pvalid = s->s3->tmp.valid_flags; |
0f113f3e MC |
2008 | int rsa_enc, rsa_tmp, rsa_sign, dh_tmp, dh_rsa, dh_dsa, dsa_sign; |
2009 | int rsa_enc_export, dh_rsa_export, dh_dsa_export; | |
2010 | int rsa_tmp_export, dh_tmp_export, kl; | |
2011 | unsigned long mask_k, mask_a, emask_k, emask_a; | |
10bf4fc2 | 2012 | #ifndef OPENSSL_NO_EC |
0f113f3e | 2013 | int have_ecc_cert, ecdsa_ok, ecc_pkey_size; |
0f113f3e | 2014 | int have_ecdh_tmp, ecdh_ok; |
0f113f3e MC |
2015 | X509 *x = NULL; |
2016 | EVP_PKEY *ecc_pkey = NULL; | |
a8d8e06b | 2017 | int pk_nid = 0, md_nid = 0; |
14536c8c | 2018 | #endif |
0f113f3e MC |
2019 | if (c == NULL) |
2020 | return; | |
d02b48c6 | 2021 | |
0f113f3e | 2022 | kl = SSL_C_EXPORT_PKEYLENGTH(cipher); |
60e31c3a | 2023 | |
bc36ee62 | 2024 | #ifndef OPENSSL_NO_RSA |
0f113f3e MC |
2025 | rsa_tmp = (c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); |
2026 | rsa_tmp_export = (c->rsa_tmp_cb != NULL || | |
2027 | (rsa_tmp && RSA_size(c->rsa_tmp) * 8 <= kl)); | |
d02b48c6 | 2028 | #else |
0f113f3e | 2029 | rsa_tmp = rsa_tmp_export = 0; |
d02b48c6 | 2030 | #endif |
bc36ee62 | 2031 | #ifndef OPENSSL_NO_DH |
0f113f3e MC |
2032 | dh_tmp = (c->dh_tmp != NULL || c->dh_tmp_cb != NULL || c->dh_tmp_auto); |
2033 | dh_tmp_export = !c->dh_tmp_auto && (c->dh_tmp_cb != NULL || | |
2034 | (dh_tmp | |
2035 | && DH_size(c->dh_tmp) * 8 <= kl)); | |
d02b48c6 | 2036 | #else |
0f113f3e | 2037 | dh_tmp = dh_tmp_export = 0; |
d02b48c6 RE |
2038 | #endif |
2039 | ||
10bf4fc2 | 2040 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
2041 | have_ecdh_tmp = (c->ecdh_tmp || c->ecdh_tmp_cb || c->ecdh_tmp_auto); |
2042 | #endif | |
2043 | cpk = &(c->pkeys[SSL_PKEY_RSA_ENC]); | |
6383d316 | 2044 | rsa_enc = pvalid[SSL_PKEY_RSA_ENC] & CERT_PKEY_VALID; |
0f113f3e MC |
2045 | rsa_enc_export = (rsa_enc && EVP_PKEY_size(cpk->privatekey) * 8 <= kl); |
2046 | cpk = &(c->pkeys[SSL_PKEY_RSA_SIGN]); | |
6383d316 | 2047 | rsa_sign = pvalid[SSL_PKEY_RSA_SIGN] & CERT_PKEY_SIGN; |
0f113f3e | 2048 | cpk = &(c->pkeys[SSL_PKEY_DSA_SIGN]); |
6383d316 | 2049 | dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_SIGN; |
0f113f3e | 2050 | cpk = &(c->pkeys[SSL_PKEY_DH_RSA]); |
6383d316 | 2051 | dh_rsa = pvalid[SSL_PKEY_DH_RSA] & CERT_PKEY_VALID; |
0f113f3e MC |
2052 | dh_rsa_export = (dh_rsa && EVP_PKEY_size(cpk->privatekey) * 8 <= kl); |
2053 | cpk = &(c->pkeys[SSL_PKEY_DH_DSA]); | |
6383d316 | 2054 | dh_dsa = pvalid[SSL_PKEY_DH_DSA] & CERT_PKEY_VALID; |
0f113f3e MC |
2055 | dh_dsa_export = (dh_dsa && EVP_PKEY_size(cpk->privatekey) * 8 <= kl); |
2056 | cpk = &(c->pkeys[SSL_PKEY_ECC]); | |
14536c8c | 2057 | #ifndef OPENSSL_NO_EC |
6383d316 | 2058 | have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID; |
14536c8c | 2059 | #endif |
0f113f3e MC |
2060 | mask_k = 0; |
2061 | mask_a = 0; | |
2062 | emask_k = 0; | |
2063 | emask_a = 0; | |
0e1dba93 | 2064 | |
d02b48c6 | 2065 | #ifdef CIPHER_DEBUG |
0f113f3e MC |
2066 | fprintf(stderr, |
2067 | "rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", | |
2068 | rsa_tmp, rsa_tmp_export, dh_tmp, have_ecdh_tmp, rsa_enc, | |
2069 | rsa_enc_export, rsa_sign, dsa_sign, dh_rsa, dh_dsa); | |
2070 | #endif | |
2071 | ||
2072 | cpk = &(c->pkeys[SSL_PKEY_GOST01]); | |
2073 | if (cpk->x509 != NULL && cpk->privatekey != NULL) { | |
2074 | mask_k |= SSL_kGOST; | |
2075 | mask_a |= SSL_aGOST01; | |
2076 | } | |
0f113f3e MC |
2077 | |
2078 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
2079 | mask_k |= SSL_kRSA; | |
2080 | if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) | |
2081 | emask_k |= SSL_kRSA; | |
d02b48c6 | 2082 | |
0f113f3e MC |
2083 | if (dh_tmp_export) |
2084 | emask_k |= SSL_kDHE; | |
d02b48c6 | 2085 | |
0f113f3e MC |
2086 | if (dh_tmp) |
2087 | mask_k |= SSL_kDHE; | |
d02b48c6 | 2088 | |
0f113f3e MC |
2089 | if (dh_rsa) |
2090 | mask_k |= SSL_kDHr; | |
2091 | if (dh_rsa_export) | |
2092 | emask_k |= SSL_kDHr; | |
d02b48c6 | 2093 | |
0f113f3e MC |
2094 | if (dh_dsa) |
2095 | mask_k |= SSL_kDHd; | |
2096 | if (dh_dsa_export) | |
2097 | emask_k |= SSL_kDHd; | |
d02b48c6 | 2098 | |
fdfe8b06 | 2099 | if (mask_k & (SSL_kDHr | SSL_kDHd)) |
0f113f3e | 2100 | mask_a |= SSL_aDH; |
8e1dc4d7 | 2101 | |
0f113f3e MC |
2102 | if (rsa_enc || rsa_sign) { |
2103 | mask_a |= SSL_aRSA; | |
2104 | emask_a |= SSL_aRSA; | |
2105 | } | |
d02b48c6 | 2106 | |
0f113f3e MC |
2107 | if (dsa_sign) { |
2108 | mask_a |= SSL_aDSS; | |
2109 | emask_a |= SSL_aDSS; | |
2110 | } | |
d02b48c6 | 2111 | |
0f113f3e MC |
2112 | mask_a |= SSL_aNULL; |
2113 | emask_a |= SSL_aNULL; | |
d02b48c6 | 2114 | |
0f113f3e MC |
2115 | /* |
2116 | * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites | |
2117 | * depending on the key usage extension. | |
2118 | */ | |
14536c8c | 2119 | #ifndef OPENSSL_NO_EC |
0f113f3e | 2120 | if (have_ecc_cert) { |
a8d8e06b | 2121 | uint32_t ex_kusage; |
0f113f3e MC |
2122 | cpk = &c->pkeys[SSL_PKEY_ECC]; |
2123 | x = cpk->x509; | |
a8d8e06b DSH |
2124 | ex_kusage = X509_get_key_usage(x); |
2125 | ecdh_ok = ex_kusage & X509v3_KU_KEY_AGREEMENT; | |
2126 | ecdsa_ok = ex_kusage & X509v3_KU_DIGITAL_SIGNATURE; | |
6383d316 | 2127 | if (!(pvalid[SSL_PKEY_ECC] & CERT_PKEY_SIGN)) |
0f113f3e MC |
2128 | ecdsa_ok = 0; |
2129 | ecc_pkey = X509_get_pubkey(x); | |
2130 | ecc_pkey_size = (ecc_pkey != NULL) ? EVP_PKEY_bits(ecc_pkey) : 0; | |
2131 | EVP_PKEY_free(ecc_pkey); | |
a8d8e06b | 2132 | OBJ_find_sigid_algs(X509_get_signature_nid(x), &md_nid, &pk_nid); |
0f113f3e MC |
2133 | if (ecdh_ok) { |
2134 | ||
2135 | if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa) { | |
2136 | mask_k |= SSL_kECDHr; | |
2137 | mask_a |= SSL_aECDH; | |
2138 | if (ecc_pkey_size <= 163) { | |
2139 | emask_k |= SSL_kECDHr; | |
2140 | emask_a |= SSL_aECDH; | |
2141 | } | |
2142 | } | |
2143 | ||
2144 | if (pk_nid == NID_X9_62_id_ecPublicKey) { | |
2145 | mask_k |= SSL_kECDHe; | |
2146 | mask_a |= SSL_aECDH; | |
2147 | if (ecc_pkey_size <= 163) { | |
2148 | emask_k |= SSL_kECDHe; | |
2149 | emask_a |= SSL_aECDH; | |
2150 | } | |
2151 | } | |
2152 | } | |
0f113f3e MC |
2153 | if (ecdsa_ok) { |
2154 | mask_a |= SSL_aECDSA; | |
2155 | emask_a |= SSL_aECDSA; | |
2156 | } | |
0f113f3e | 2157 | } |
14536c8c | 2158 | #endif |
ea262260 | 2159 | |
10bf4fc2 | 2160 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
2161 | if (have_ecdh_tmp) { |
2162 | mask_k |= SSL_kECDHE; | |
2163 | emask_k |= SSL_kECDHE; | |
2164 | } | |
ea262260 | 2165 | #endif |
ddac1974 NL |
2166 | |
2167 | #ifndef OPENSSL_NO_PSK | |
0f113f3e MC |
2168 | mask_k |= SSL_kPSK; |
2169 | mask_a |= SSL_aPSK; | |
2170 | emask_k |= SSL_kPSK; | |
2171 | emask_a |= SSL_aPSK; | |
526f94ad DSH |
2172 | if (mask_k & SSL_kRSA) |
2173 | mask_k |= SSL_kRSAPSK; | |
2174 | if (mask_k & SSL_kDHE) | |
2175 | mask_k |= SSL_kDHEPSK; | |
2176 | if (mask_k & SSL_kECDHE) | |
2177 | mask_k |= SSL_kECDHEPSK; | |
ddac1974 NL |
2178 | #endif |
2179 | ||
4d69f9e6 DSH |
2180 | s->s3->tmp.mask_k = mask_k; |
2181 | s->s3->tmp.mask_a = mask_a; | |
2182 | s->s3->tmp.export_mask_k = emask_k; | |
2183 | s->s3->tmp.export_mask_a = emask_a; | |
0f113f3e | 2184 | } |
d02b48c6 | 2185 | |
ef236ec3 DSH |
2186 | #ifndef OPENSSL_NO_EC |
2187 | ||
a2f9200f | 2188 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s) |
0f113f3e MC |
2189 | { |
2190 | unsigned long alg_k, alg_a; | |
2191 | EVP_PKEY *pkey = NULL; | |
2192 | int keysize = 0; | |
a8d8e06b | 2193 | int md_nid = 0, pk_nid = 0; |
0f113f3e | 2194 | const SSL_CIPHER *cs = s->s3->tmp.new_cipher; |
a8d8e06b | 2195 | uint32_t ex_kusage = X509_get_key_usage(x); |
0f113f3e MC |
2196 | |
2197 | alg_k = cs->algorithm_mkey; | |
2198 | alg_a = cs->algorithm_auth; | |
2199 | ||
2200 | if (SSL_C_IS_EXPORT(cs)) { | |
2201 | /* ECDH key length in export ciphers must be <= 163 bits */ | |
2202 | pkey = X509_get_pubkey(x); | |
2203 | if (pkey == NULL) | |
2204 | return 0; | |
2205 | keysize = EVP_PKEY_bits(pkey); | |
2206 | EVP_PKEY_free(pkey); | |
2207 | if (keysize > 163) | |
2208 | return 0; | |
2209 | } | |
2210 | ||
a8d8e06b DSH |
2211 | OBJ_find_sigid_algs(X509_get_signature_nid(x), &md_nid, &pk_nid); |
2212 | ||
0f113f3e MC |
2213 | if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr) { |
2214 | /* key usage, if present, must allow key agreement */ | |
a8d8e06b | 2215 | if (!(ex_kusage & X509v3_KU_KEY_AGREEMENT)) { |
0f113f3e MC |
2216 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, |
2217 | SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT); | |
2218 | return 0; | |
2219 | } | |
2220 | if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION) { | |
2221 | /* signature alg must be ECDSA */ | |
2222 | if (pk_nid != NID_X9_62_id_ecPublicKey) { | |
2223 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, | |
2224 | SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE); | |
2225 | return 0; | |
2226 | } | |
2227 | } | |
2228 | if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION) { | |
2229 | /* signature alg must be RSA */ | |
2230 | ||
2231 | if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa) { | |
2232 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, | |
2233 | SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE); | |
2234 | return 0; | |
2235 | } | |
2236 | } | |
2237 | } | |
2238 | if (alg_a & SSL_aECDSA) { | |
2239 | /* key usage, if present, must allow signing */ | |
a8d8e06b | 2240 | if (!(ex_kusage & X509v3_KU_DIGITAL_SIGNATURE)) { |
0f113f3e MC |
2241 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, |
2242 | SSL_R_ECC_CERT_NOT_FOR_SIGNING); | |
2243 | return 0; | |
2244 | } | |
2245 | } | |
2246 | ||
2247 | return 1; /* all checks are ok */ | |
2248 | } | |
ea262260 | 2249 | |
ef236ec3 DSH |
2250 | #endif |
2251 | ||
2daceb03 | 2252 | static int ssl_get_server_cert_index(const SSL *s) |
0f113f3e MC |
2253 | { |
2254 | int idx; | |
2255 | idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher); | |
2256 | if (idx == SSL_PKEY_RSA_ENC && !s->cert->pkeys[SSL_PKEY_RSA_ENC].x509) | |
2257 | idx = SSL_PKEY_RSA_SIGN; | |
2258 | if (idx == -1) | |
2259 | SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR); | |
2260 | return idx; | |
2261 | } | |
a9e1c50b | 2262 | |
6383d316 | 2263 | CERT_PKEY *ssl_get_server_send_pkey(SSL *s) |
0f113f3e MC |
2264 | { |
2265 | CERT *c; | |
2266 | int i; | |
ea262260 | 2267 | |
0f113f3e MC |
2268 | c = s->cert; |
2269 | if (!s->s3 || !s->s3->tmp.new_cipher) | |
2270 | return NULL; | |
6383d316 | 2271 | ssl_set_masks(s, s->s3->tmp.new_cipher); |
a9e1c50b | 2272 | |
ed83ba53 | 2273 | #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL |
0f113f3e MC |
2274 | /* |
2275 | * Broken protocol test: return last used certificate: which may mismatch | |
2276 | * the one expected. | |
2277 | */ | |
2278 | if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL) | |
2279 | return c->key; | |
ed83ba53 DSH |
2280 | #endif |
2281 | ||
0f113f3e | 2282 | i = ssl_get_server_cert_index(s); |
a9e1c50b | 2283 | |
0f113f3e MC |
2284 | /* This may or may not be an error. */ |
2285 | if (i < 0) | |
2286 | return NULL; | |
a9e1c50b | 2287 | |
0f113f3e MC |
2288 | /* May be NULL. */ |
2289 | return &c->pkeys[i]; | |
2290 | } | |
d02b48c6 | 2291 | |
0f113f3e MC |
2292 | EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *cipher, |
2293 | const EVP_MD **pmd) | |
2294 | { | |
2295 | unsigned long alg_a; | |
2296 | CERT *c; | |
2297 | int idx = -1; | |
d02b48c6 | 2298 | |
0f113f3e MC |
2299 | alg_a = cipher->algorithm_auth; |
2300 | c = s->cert; | |
d02b48c6 | 2301 | |
ed83ba53 | 2302 | #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL |
0f113f3e MC |
2303 | /* |
2304 | * Broken protocol test: use last key: which may mismatch the one | |
2305 | * expected. | |
2306 | */ | |
2307 | if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL) | |
2308 | idx = c->key - c->pkeys; | |
2309 | else | |
2310 | #endif | |
2311 | ||
2312 | if ((alg_a & SSL_aDSS) && | |
2313 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) | |
2314 | idx = SSL_PKEY_DSA_SIGN; | |
2315 | else if (alg_a & SSL_aRSA) { | |
2316 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
2317 | idx = SSL_PKEY_RSA_SIGN; | |
2318 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
2319 | idx = SSL_PKEY_RSA_ENC; | |
2320 | } else if ((alg_a & SSL_aECDSA) && | |
2321 | (c->pkeys[SSL_PKEY_ECC].privatekey != NULL)) | |
2322 | idx = SSL_PKEY_ECC; | |
2323 | if (idx == -1) { | |
2324 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY, ERR_R_INTERNAL_ERROR); | |
2325 | return (NULL); | |
2326 | } | |
2327 | if (pmd) | |
d376e57d | 2328 | *pmd = s->s3->tmp.md[idx]; |
0f113f3e MC |
2329 | return c->pkeys[idx].privatekey; |
2330 | } | |
d02b48c6 | 2331 | |
a398f821 | 2332 | int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, |
0f113f3e MC |
2333 | size_t *serverinfo_length) |
2334 | { | |
2335 | CERT *c = NULL; | |
2336 | int i = 0; | |
2337 | *serverinfo_length = 0; | |
2338 | ||
2339 | c = s->cert; | |
2340 | i = ssl_get_server_cert_index(s); | |
2341 | ||
2342 | if (i == -1) | |
2343 | return 0; | |
2344 | if (c->pkeys[i].serverinfo == NULL) | |
2345 | return 0; | |
2346 | ||
2347 | *serverinfo = c->pkeys[i].serverinfo; | |
2348 | *serverinfo_length = c->pkeys[i].serverinfo_length; | |
2349 | return 1; | |
2350 | } | |
0f113f3e MC |
2351 | |
2352 | void ssl_update_cache(SSL *s, int mode) | |
2353 | { | |
2354 | int i; | |
2355 | ||
2356 | /* | |
2357 | * If the session_id_length is 0, we are not supposed to cache it, and it | |
2358 | * would be rather hard to do anyway :-) | |
2359 | */ | |
2360 | if (s->session->session_id_length == 0) | |
2361 | return; | |
2362 | ||
2363 | i = s->session_ctx->session_cache_mode; | |
2364 | if ((i & mode) && (!s->hit) | |
2365 | && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) | |
2366 | || SSL_CTX_add_session(s->session_ctx, s->session)) | |
2367 | && (s->session_ctx->new_session_cb != NULL)) { | |
2368 | CRYPTO_add(&s->session->references, 1, CRYPTO_LOCK_SSL_SESSION); | |
2369 | if (!s->session_ctx->new_session_cb(s, s->session)) | |
2370 | SSL_SESSION_free(s->session); | |
2371 | } | |
2372 | ||
2373 | /* auto flush every 255 connections */ | |
2374 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) { | |
2375 | if ((((mode & SSL_SESS_CACHE_CLIENT) | |
2376 | ? s->session_ctx->stats.sess_connect_good | |
2377 | : s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff) { | |
2378 | SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL)); | |
2379 | } | |
2380 | } | |
2381 | } | |
d02b48c6 | 2382 | |
ba168244 | 2383 | const SSL_METHOD *SSL_CTX_get_ssl_method(SSL_CTX *ctx) |
0f113f3e MC |
2384 | { |
2385 | return ctx->method; | |
2386 | } | |
ba168244 | 2387 | |
4ebb342f | 2388 | const SSL_METHOD *SSL_get_ssl_method(SSL *s) |
0f113f3e MC |
2389 | { |
2390 | return (s->method); | |
2391 | } | |
d02b48c6 | 2392 | |
4ebb342f | 2393 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
0f113f3e MC |
2394 | { |
2395 | int conn = -1; | |
2396 | int ret = 1; | |
2397 | ||
2398 | if (s->method != meth) { | |
2399 | if (s->handshake_func != NULL) | |
2400 | conn = (s->handshake_func == s->method->ssl_connect); | |
2401 | ||
2402 | if (s->method->version == meth->version) | |
2403 | s->method = meth; | |
2404 | else { | |
2405 | s->method->ssl_free(s); | |
2406 | s->method = meth; | |
2407 | ret = s->method->ssl_new(s); | |
2408 | } | |
2409 | ||
2410 | if (conn == 1) | |
2411 | s->handshake_func = meth->ssl_connect; | |
2412 | else if (conn == 0) | |
2413 | s->handshake_func = meth->ssl_accept; | |
2414 | } | |
2415 | return (ret); | |
2416 | } | |
2417 | ||
2418 | int SSL_get_error(const SSL *s, int i) | |
2419 | { | |
2420 | int reason; | |
2421 | unsigned long l; | |
2422 | BIO *bio; | |
2423 | ||
2424 | if (i > 0) | |
2425 | return (SSL_ERROR_NONE); | |
2426 | ||
2427 | /* | |
2428 | * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, | |
2429 | * where we do encode the error | |
2430 | */ | |
2431 | if ((l = ERR_peek_error()) != 0) { | |
2432 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
2433 | return (SSL_ERROR_SYSCALL); | |
2434 | else | |
2435 | return (SSL_ERROR_SSL); | |
2436 | } | |
2437 | ||
2438 | if ((i < 0) && SSL_want_read(s)) { | |
2439 | bio = SSL_get_rbio(s); | |
2440 | if (BIO_should_read(bio)) | |
2441 | return (SSL_ERROR_WANT_READ); | |
2442 | else if (BIO_should_write(bio)) | |
2443 | /* | |
2444 | * This one doesn't make too much sense ... We never try to write | |
2445 | * to the rbio, and an application program where rbio and wbio | |
2446 | * are separate couldn't even know what it should wait for. | |
2447 | * However if we ever set s->rwstate incorrectly (so that we have | |
2448 | * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and | |
2449 | * wbio *are* the same, this test works around that bug; so it | |
2450 | * might be safer to keep it. | |
2451 | */ | |
2452 | return (SSL_ERROR_WANT_WRITE); | |
2453 | else if (BIO_should_io_special(bio)) { | |
2454 | reason = BIO_get_retry_reason(bio); | |
2455 | if (reason == BIO_RR_CONNECT) | |
2456 | return (SSL_ERROR_WANT_CONNECT); | |
2457 | else if (reason == BIO_RR_ACCEPT) | |
2458 | return (SSL_ERROR_WANT_ACCEPT); | |
2459 | else | |
2460 | return (SSL_ERROR_SYSCALL); /* unknown */ | |
2461 | } | |
2462 | } | |
2463 | ||
2464 | if ((i < 0) && SSL_want_write(s)) { | |
2465 | bio = SSL_get_wbio(s); | |
2466 | if (BIO_should_write(bio)) | |
2467 | return (SSL_ERROR_WANT_WRITE); | |
2468 | else if (BIO_should_read(bio)) | |
2469 | /* | |
2470 | * See above (SSL_want_read(s) with BIO_should_write(bio)) | |
2471 | */ | |
2472 | return (SSL_ERROR_WANT_READ); | |
2473 | else if (BIO_should_io_special(bio)) { | |
2474 | reason = BIO_get_retry_reason(bio); | |
2475 | if (reason == BIO_RR_CONNECT) | |
2476 | return (SSL_ERROR_WANT_CONNECT); | |
2477 | else if (reason == BIO_RR_ACCEPT) | |
2478 | return (SSL_ERROR_WANT_ACCEPT); | |
2479 | else | |
2480 | return (SSL_ERROR_SYSCALL); | |
2481 | } | |
2482 | } | |
2483 | if ((i < 0) && SSL_want_x509_lookup(s)) { | |
2484 | return (SSL_ERROR_WANT_X509_LOOKUP); | |
2485 | } | |
07bbc92c MC |
2486 | if ((i < 0) && SSL_want_async(s)) { |
2487 | return SSL_ERROR_WANT_ASYNC; | |
2488 | } | |
0f113f3e MC |
2489 | |
2490 | if (i == 0) { | |
2491 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
2492 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) | |
2493 | return (SSL_ERROR_ZERO_RETURN); | |
2494 | } | |
2495 | return (SSL_ERROR_SYSCALL); | |
2496 | } | |
d02b48c6 | 2497 | |
add2f5ca MC |
2498 | static int ssl_do_handshake_intern(void *vargs) |
2499 | { | |
2500 | struct ssl_async_args *args; | |
2501 | SSL *s; | |
2502 | ||
2503 | args = (struct ssl_async_args *)vargs; | |
2504 | s = args->s; | |
2505 | ||
2506 | return s->handshake_func(s); | |
2507 | } | |
2508 | ||
4f43d0e7 | 2509 | int SSL_do_handshake(SSL *s) |
0f113f3e MC |
2510 | { |
2511 | int ret = 1; | |
2512 | ||
2513 | if (s->handshake_func == NULL) { | |
2514 | SSLerr(SSL_F_SSL_DO_HANDSHAKE, SSL_R_CONNECTION_TYPE_NOT_SET); | |
add2f5ca | 2515 | return -1; |
0f113f3e MC |
2516 | } |
2517 | ||
2518 | s->method->ssl_renegotiate_check(s); | |
2519 | ||
2520 | if (SSL_in_init(s) || SSL_in_before(s)) { | |
add2f5ca MC |
2521 | if((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) { |
2522 | struct ssl_async_args args; | |
2523 | ||
2524 | args.s = s; | |
2525 | ||
2526 | ret = start_async_job(s, &args, ssl_do_handshake_intern); | |
2527 | } else { | |
2528 | ret = s->handshake_func(s); | |
2529 | } | |
0f113f3e | 2530 | } |
add2f5ca | 2531 | return ret; |
0f113f3e MC |
2532 | } |
2533 | ||
4f43d0e7 | 2534 | void SSL_set_accept_state(SSL *s) |
0f113f3e MC |
2535 | { |
2536 | s->server = 1; | |
2537 | s->shutdown = 0; | |
fe3a3291 | 2538 | ossl_statem_clear(s); |
0f113f3e | 2539 | s->handshake_func = s->method->ssl_accept; |
d31fb0b5 | 2540 | clear_ciphers(s); |
0f113f3e | 2541 | } |
d02b48c6 | 2542 | |
4f43d0e7 | 2543 | void SSL_set_connect_state(SSL *s) |
0f113f3e MC |
2544 | { |
2545 | s->server = 0; | |
2546 | s->shutdown = 0; | |
fe3a3291 | 2547 | ossl_statem_clear(s); |
0f113f3e | 2548 | s->handshake_func = s->method->ssl_connect; |
d31fb0b5 | 2549 | clear_ciphers(s); |
0f113f3e | 2550 | } |
d02b48c6 | 2551 | |
4f43d0e7 | 2552 | int ssl_undefined_function(SSL *s) |
0f113f3e MC |
2553 | { |
2554 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2555 | return (0); | |
2556 | } | |
d02b48c6 | 2557 | |
41a15c4f | 2558 | int ssl_undefined_void_function(void) |
0f113f3e MC |
2559 | { |
2560 | SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION, | |
2561 | ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2562 | return (0); | |
2563 | } | |
41a15c4f | 2564 | |
0821bcd4 | 2565 | int ssl_undefined_const_function(const SSL *s) |
0f113f3e | 2566 | { |
0f113f3e MC |
2567 | return (0); |
2568 | } | |
0821bcd4 | 2569 | |
4f43d0e7 | 2570 | SSL_METHOD *ssl_bad_method(int ver) |
0f113f3e MC |
2571 | { |
2572 | SSLerr(SSL_F_SSL_BAD_METHOD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2573 | return (NULL); | |
2574 | } | |
d02b48c6 | 2575 | |
0821bcd4 | 2576 | const char *SSL_get_version(const SSL *s) |
0f113f3e MC |
2577 | { |
2578 | if (s->version == TLS1_2_VERSION) | |
2579 | return ("TLSv1.2"); | |
2580 | else if (s->version == TLS1_1_VERSION) | |
2581 | return ("TLSv1.1"); | |
2582 | else if (s->version == TLS1_VERSION) | |
2583 | return ("TLSv1"); | |
2584 | else if (s->version == SSL3_VERSION) | |
2585 | return ("SSLv3"); | |
504e643e DW |
2586 | else if (s->version == DTLS1_BAD_VER) |
2587 | return ("DTLSv0.9"); | |
2588 | else if (s->version == DTLS1_VERSION) | |
2589 | return ("DTLSv1"); | |
2590 | else if (s->version == DTLS1_2_VERSION) | |
2591 | return ("DTLSv1.2"); | |
0f113f3e MC |
2592 | else |
2593 | return ("unknown"); | |
2594 | } | |
d02b48c6 | 2595 | |
4f43d0e7 | 2596 | SSL *SSL_dup(SSL *s) |
0f113f3e MC |
2597 | { |
2598 | STACK_OF(X509_NAME) *sk; | |
2599 | X509_NAME *xn; | |
2600 | SSL *ret; | |
2601 | int i; | |
2602 | ||
2603 | if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL) | |
2604 | return (NULL); | |
2605 | ||
2606 | ret->version = s->version; | |
0f113f3e MC |
2607 | ret->method = s->method; |
2608 | ||
2609 | if (s->session != NULL) { | |
2610 | /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */ | |
61986d32 | 2611 | if (!SSL_copy_session_id(ret, s)) |
17dd65e6 | 2612 | goto err; |
0f113f3e MC |
2613 | } else { |
2614 | /* | |
2615 | * No session has been established yet, so we have to expect that | |
2616 | * s->cert or ret->cert will be changed later -- they should not both | |
2617 | * point to the same object, and thus we can't use | |
2618 | * SSL_copy_session_id. | |
2619 | */ | |
2620 | ||
2621 | ret->method->ssl_free(ret); | |
2622 | ret->method = s->method; | |
2623 | ret->method->ssl_new(ret); | |
2624 | ||
2625 | if (s->cert != NULL) { | |
e0e920b1 | 2626 | ssl_cert_free(ret->cert); |
0f113f3e MC |
2627 | ret->cert = ssl_cert_dup(s->cert); |
2628 | if (ret->cert == NULL) | |
2629 | goto err; | |
2630 | } | |
2631 | ||
61986d32 | 2632 | if (!SSL_set_session_id_context(ret, s->sid_ctx, s->sid_ctx_length)) |
69f68237 | 2633 | goto err; |
0f113f3e MC |
2634 | } |
2635 | ||
2636 | ret->options = s->options; | |
2637 | ret->mode = s->mode; | |
2638 | SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s)); | |
2639 | SSL_set_read_ahead(ret, SSL_get_read_ahead(s)); | |
2640 | ret->msg_callback = s->msg_callback; | |
2641 | ret->msg_callback_arg = s->msg_callback_arg; | |
2642 | SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s)); | |
2643 | SSL_set_verify_depth(ret, SSL_get_verify_depth(s)); | |
2644 | ret->generate_session_id = s->generate_session_id; | |
2645 | ||
2646 | SSL_set_info_callback(ret, SSL_get_info_callback(s)); | |
2647 | ||
2648 | ret->debug = s->debug; | |
2649 | ||
2650 | /* copy app data, a little dangerous perhaps */ | |
2651 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) | |
2652 | goto err; | |
2653 | ||
2654 | /* setup rbio, and wbio */ | |
2655 | if (s->rbio != NULL) { | |
2656 | if (!BIO_dup_state(s->rbio, (char *)&ret->rbio)) | |
2657 | goto err; | |
2658 | } | |
2659 | if (s->wbio != NULL) { | |
2660 | if (s->wbio != s->rbio) { | |
2661 | if (!BIO_dup_state(s->wbio, (char *)&ret->wbio)) | |
2662 | goto err; | |
2663 | } else | |
2664 | ret->wbio = ret->rbio; | |
2665 | } | |
2666 | ret->rwstate = s->rwstate; | |
0f113f3e MC |
2667 | ret->handshake_func = s->handshake_func; |
2668 | ret->server = s->server; | |
2669 | ret->renegotiate = s->renegotiate; | |
2670 | ret->new_session = s->new_session; | |
2671 | ret->quiet_shutdown = s->quiet_shutdown; | |
2672 | ret->shutdown = s->shutdown; | |
49ae7423 MC |
2673 | ret->statem = s->statem; /* SSL_dup does not really work at any state, |
2674 | * though */ | |
295c3f41 | 2675 | RECORD_LAYER_dup(&ret->rlayer, &s->rlayer); |
0f113f3e MC |
2676 | ret->init_num = 0; /* would have to copy ret->init_buf, |
2677 | * ret->init_msg, ret->init_num, | |
2678 | * ret->init_off */ | |
2679 | ret->hit = s->hit; | |
2680 | ||
a974e64a MC |
2681 | ret->default_passwd_callback = s->default_passwd_callback; |
2682 | ret->default_passwd_callback_userdata = s->default_passwd_callback_userdata; | |
2683 | ||
0f113f3e MC |
2684 | X509_VERIFY_PARAM_inherit(ret->param, s->param); |
2685 | ||
2686 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
2687 | if (s->cipher_list != NULL) { | |
2688 | if ((ret->cipher_list = sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) | |
2689 | goto err; | |
2690 | } | |
2691 | if (s->cipher_list_by_id != NULL) | |
2692 | if ((ret->cipher_list_by_id = sk_SSL_CIPHER_dup(s->cipher_list_by_id)) | |
2693 | == NULL) | |
2694 | goto err; | |
2695 | ||
2696 | /* Dup the client_CA list */ | |
2697 | if (s->client_CA != NULL) { | |
2698 | if ((sk = sk_X509_NAME_dup(s->client_CA)) == NULL) | |
2699 | goto err; | |
2700 | ret->client_CA = sk; | |
2701 | for (i = 0; i < sk_X509_NAME_num(sk); i++) { | |
2702 | xn = sk_X509_NAME_value(sk, i); | |
2703 | if (sk_X509_NAME_set(sk, i, X509_NAME_dup(xn)) == NULL) { | |
2704 | X509_NAME_free(xn); | |
2705 | goto err; | |
2706 | } | |
2707 | } | |
2708 | } | |
66696478 | 2709 | return ret; |
0f113f3e | 2710 | |
0f113f3e | 2711 | err: |
66696478 RS |
2712 | SSL_free(ret); |
2713 | return NULL; | |
0f113f3e | 2714 | } |
d02b48c6 | 2715 | |
4f43d0e7 | 2716 | void ssl_clear_cipher_ctx(SSL *s) |
0f113f3e MC |
2717 | { |
2718 | if (s->enc_read_ctx != NULL) { | |
2719 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
2720 | OPENSSL_free(s->enc_read_ctx); | |
2721 | s->enc_read_ctx = NULL; | |
2722 | } | |
2723 | if (s->enc_write_ctx != NULL) { | |
2724 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
2725 | OPENSSL_free(s->enc_write_ctx); | |
2726 | s->enc_write_ctx = NULL; | |
2727 | } | |
09b6c2ef | 2728 | #ifndef OPENSSL_NO_COMP |
efa7dd64 RS |
2729 | COMP_CTX_free(s->expand); |
2730 | s->expand = NULL; | |
2731 | COMP_CTX_free(s->compress); | |
2732 | s->compress = NULL; | |
0f113f3e MC |
2733 | #endif |
2734 | } | |
d02b48c6 | 2735 | |
0821bcd4 | 2736 | X509 *SSL_get_certificate(const SSL *s) |
0f113f3e MC |
2737 | { |
2738 | if (s->cert != NULL) | |
2739 | return (s->cert->key->x509); | |
2740 | else | |
2741 | return (NULL); | |
2742 | } | |
d02b48c6 | 2743 | |
a25f9adc | 2744 | EVP_PKEY *SSL_get_privatekey(const SSL *s) |
0f113f3e MC |
2745 | { |
2746 | if (s->cert != NULL) | |
2747 | return (s->cert->key->privatekey); | |
2748 | else | |
2749 | return (NULL); | |
2750 | } | |
d02b48c6 | 2751 | |
a25f9adc | 2752 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) |
0f113f3e MC |
2753 | { |
2754 | if (ctx->cert != NULL) | |
2755 | return ctx->cert->key->x509; | |
2756 | else | |
2757 | return NULL; | |
2758 | } | |
a25f9adc DSH |
2759 | |
2760 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) | |
0f113f3e MC |
2761 | { |
2762 | if (ctx->cert != NULL) | |
2763 | return ctx->cert->key->privatekey; | |
2764 | else | |
2765 | return NULL; | |
2766 | } | |
a25f9adc | 2767 | |
babb3798 | 2768 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
0f113f3e MC |
2769 | { |
2770 | if ((s->session != NULL) && (s->session->cipher != NULL)) | |
2771 | return (s->session->cipher); | |
2772 | return (NULL); | |
2773 | } | |
2774 | ||
377dcdba | 2775 | const COMP_METHOD *SSL_get_current_compression(SSL *s) |
0f113f3e | 2776 | { |
9a555706 RS |
2777 | #ifndef OPENSSL_NO_COMP |
2778 | return s->compress ? COMP_CTX_get_method(s->compress) : NULL; | |
2779 | #else | |
2780 | return NULL; | |
2781 | #endif | |
0f113f3e | 2782 | } |
377dcdba RL |
2783 | |
2784 | const COMP_METHOD *SSL_get_current_expansion(SSL *s) | |
0f113f3e | 2785 | { |
9a555706 RS |
2786 | #ifndef OPENSSL_NO_COMP |
2787 | return s->expand ? COMP_CTX_get_method(s->expand) : NULL; | |
2788 | #else | |
2789 | return NULL; | |
0f113f3e | 2790 | #endif |
9a555706 | 2791 | } |
0f113f3e MC |
2792 | |
2793 | int ssl_init_wbio_buffer(SSL *s, int push) | |
2794 | { | |
2795 | BIO *bbio; | |
2796 | ||
2797 | if (s->bbio == NULL) { | |
2798 | bbio = BIO_new(BIO_f_buffer()); | |
2799 | if (bbio == NULL) | |
2800 | return (0); | |
2801 | s->bbio = bbio; | |
2802 | } else { | |
2803 | bbio = s->bbio; | |
2804 | if (s->bbio == s->wbio) | |
2805 | s->wbio = BIO_pop(s->wbio); | |
2806 | } | |
2807 | (void)BIO_reset(bbio); | |
2808 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ | |
2809 | if (!BIO_set_read_buffer_size(bbio, 1)) { | |
2810 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER, ERR_R_BUF_LIB); | |
2811 | return (0); | |
2812 | } | |
2813 | if (push) { | |
2814 | if (s->wbio != bbio) | |
2815 | s->wbio = BIO_push(bbio, s->wbio); | |
2816 | } else { | |
2817 | if (s->wbio == bbio) | |
2818 | s->wbio = BIO_pop(bbio); | |
2819 | } | |
2820 | return (1); | |
2821 | } | |
413c4f45 | 2822 | |
4f43d0e7 | 2823 | void ssl_free_wbio_buffer(SSL *s) |
0f113f3e | 2824 | { |
62adbcee | 2825 | /* callers ensure s is never null */ |
0f113f3e MC |
2826 | if (s->bbio == NULL) |
2827 | return; | |
2828 | ||
2829 | if (s->bbio == s->wbio) { | |
2830 | /* remove buffering */ | |
2831 | s->wbio = BIO_pop(s->wbio); | |
2832 | #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids | |
2833 | * adding one more preprocessor symbol */ | |
2834 | assert(s->wbio != NULL); | |
2835 | #endif | |
2836 | } | |
2837 | BIO_free(s->bbio); | |
2838 | s->bbio = NULL; | |
2839 | } | |
2840 | ||
2841 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) | |
2842 | { | |
2843 | ctx->quiet_shutdown = mode; | |
2844 | } | |
58964a49 | 2845 | |
0821bcd4 | 2846 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
0f113f3e MC |
2847 | { |
2848 | return (ctx->quiet_shutdown); | |
2849 | } | |
58964a49 | 2850 | |
0f113f3e MC |
2851 | void SSL_set_quiet_shutdown(SSL *s, int mode) |
2852 | { | |
2853 | s->quiet_shutdown = mode; | |
2854 | } | |
58964a49 | 2855 | |
0821bcd4 | 2856 | int SSL_get_quiet_shutdown(const SSL *s) |
0f113f3e MC |
2857 | { |
2858 | return (s->quiet_shutdown); | |
2859 | } | |
58964a49 | 2860 | |
0f113f3e MC |
2861 | void SSL_set_shutdown(SSL *s, int mode) |
2862 | { | |
2863 | s->shutdown = mode; | |
2864 | } | |
58964a49 | 2865 | |
0821bcd4 | 2866 | int SSL_get_shutdown(const SSL *s) |
0f113f3e MC |
2867 | { |
2868 | return (s->shutdown); | |
2869 | } | |
58964a49 | 2870 | |
0821bcd4 | 2871 | int SSL_version(const SSL *s) |
0f113f3e MC |
2872 | { |
2873 | return (s->version); | |
2874 | } | |
58964a49 | 2875 | |
0821bcd4 | 2876 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
0f113f3e MC |
2877 | { |
2878 | return (ssl->ctx); | |
2879 | } | |
2880 | ||
2881 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) | |
2882 | { | |
24a0d393 | 2883 | CERT *new_cert; |
0f113f3e MC |
2884 | if (ssl->ctx == ctx) |
2885 | return ssl->ctx; | |
0f113f3e MC |
2886 | if (ctx == NULL) |
2887 | ctx = ssl->initial_ctx; | |
24a0d393 KR |
2888 | new_cert = ssl_cert_dup(ctx->cert); |
2889 | if (new_cert == NULL) { | |
2890 | return NULL; | |
0f113f3e | 2891 | } |
24a0d393 KR |
2892 | ssl_cert_free(ssl->cert); |
2893 | ssl->cert = new_cert; | |
0f113f3e MC |
2894 | |
2895 | /* | |
2896 | * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH), | |
2897 | * so setter APIs must prevent invalid lengths from entering the system. | |
2898 | */ | |
2899 | OPENSSL_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx)); | |
2900 | ||
2901 | /* | |
2902 | * If the session ID context matches that of the parent SSL_CTX, | |
2903 | * inherit it from the new SSL_CTX as well. If however the context does | |
2904 | * not match (i.e., it was set per-ssl with SSL_set_session_id_context), | |
2905 | * leave it unchanged. | |
2906 | */ | |
2907 | if ((ssl->ctx != NULL) && | |
2908 | (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) && | |
2909 | (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) { | |
2910 | ssl->sid_ctx_length = ctx->sid_ctx_length; | |
2911 | memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx)); | |
2912 | } | |
2913 | ||
2914 | CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX); | |
e0e920b1 | 2915 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ |
0f113f3e MC |
2916 | ssl->ctx = ctx; |
2917 | ||
2918 | return (ssl->ctx); | |
2919 | } | |
ed3883d2 | 2920 | |
4f43d0e7 | 2921 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
0f113f3e MC |
2922 | { |
2923 | return (X509_STORE_set_default_paths(ctx->cert_store)); | |
2924 | } | |
58964a49 | 2925 | |
d84a7b20 MC |
2926 | int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx) |
2927 | { | |
2928 | X509_LOOKUP *lookup; | |
2929 | ||
2930 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir()); | |
2931 | if (lookup == NULL) | |
2932 | return 0; | |
2933 | X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); | |
2934 | ||
2935 | /* Clear any errors if the default directory does not exist */ | |
2936 | ERR_clear_error(); | |
2937 | ||
2938 | return 1; | |
2939 | } | |
2940 | ||
2941 | int SSL_CTX_set_default_verify_file(SSL_CTX *ctx) | |
2942 | { | |
2943 | X509_LOOKUP *lookup; | |
2944 | ||
2945 | lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_file()); | |
2946 | if (lookup == NULL) | |
2947 | return 0; | |
2948 | ||
2949 | X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT); | |
2950 | ||
2951 | /* Clear any errors if the default file does not exist */ | |
2952 | ERR_clear_error(); | |
2953 | ||
2954 | return 1; | |
2955 | } | |
2956 | ||
303c0028 | 2957 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
0f113f3e MC |
2958 | const char *CApath) |
2959 | { | |
2960 | return (X509_STORE_load_locations(ctx->cert_store, CAfile, CApath)); | |
2961 | } | |
58964a49 | 2962 | |
45d87a1f | 2963 | void SSL_set_info_callback(SSL *ssl, |
0f113f3e MC |
2964 | void (*cb) (const SSL *ssl, int type, int val)) |
2965 | { | |
2966 | ssl->info_callback = cb; | |
2967 | } | |
2968 | ||
2969 | /* | |
2970 | * One compiler (Diab DCC) doesn't like argument names in returned function | |
2971 | * pointer. | |
2972 | */ | |
2973 | void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * /* ssl */ , | |
2974 | int /* type */ , | |
2975 | int /* val */ ) { | |
2976 | return ssl->info_callback; | |
2977 | } | |
58964a49 | 2978 | |
0f113f3e MC |
2979 | void SSL_set_verify_result(SSL *ssl, long arg) |
2980 | { | |
2981 | ssl->verify_result = arg; | |
2982 | } | |
58964a49 | 2983 | |
0821bcd4 | 2984 | long SSL_get_verify_result(const SSL *ssl) |
0f113f3e MC |
2985 | { |
2986 | return (ssl->verify_result); | |
2987 | } | |
2988 | ||
d9f1c639 | 2989 | size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 2990 | { |
6b8f5d0d | 2991 | if (outlen == 0) |
858618e7 NM |
2992 | return sizeof(ssl->s3->client_random); |
2993 | if (outlen > sizeof(ssl->s3->client_random)) | |
2994 | outlen = sizeof(ssl->s3->client_random); | |
2995 | memcpy(out, ssl->s3->client_random, outlen); | |
d9f1c639 | 2996 | return outlen; |
858618e7 NM |
2997 | } |
2998 | ||
d9f1c639 | 2999 | size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen) |
858618e7 | 3000 | { |
6b8f5d0d | 3001 | if (outlen == 0) |
858618e7 NM |
3002 | return sizeof(ssl->s3->server_random); |
3003 | if (outlen > sizeof(ssl->s3->server_random)) | |
3004 | outlen = sizeof(ssl->s3->server_random); | |
3005 | memcpy(out, ssl->s3->server_random, outlen); | |
d9f1c639 | 3006 | return outlen; |
858618e7 NM |
3007 | } |
3008 | ||
d9f1c639 | 3009 | size_t SSL_SESSION_get_master_key(const SSL_SESSION *session, |
6b8f5d0d | 3010 | unsigned char *out, size_t outlen) |
858618e7 | 3011 | { |
6b8f5d0d MC |
3012 | if (session->master_key_length < 0) { |
3013 | /* Should never happen */ | |
3014 | return 0; | |
3015 | } | |
d9f1c639 MC |
3016 | if (outlen == 0) |
3017 | return session->master_key_length; | |
6b8f5d0d | 3018 | if (outlen > (size_t)session->master_key_length) |
858618e7 NM |
3019 | outlen = session->master_key_length; |
3020 | memcpy(out, session->master_key, outlen); | |
d9f1c639 | 3021 | return outlen; |
858618e7 NM |
3022 | } |
3023 | ||
0f113f3e MC |
3024 | int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, |
3025 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | |
3026 | { | |
3027 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp, | |
3028 | new_func, dup_func, free_func); | |
3029 | } | |
3030 | ||
3031 | int SSL_set_ex_data(SSL *s, int idx, void *arg) | |
3032 | { | |
3033 | return (CRYPTO_set_ex_data(&s->ex_data, idx, arg)); | |
3034 | } | |
3035 | ||
3036 | void *SSL_get_ex_data(const SSL *s, int idx) | |
3037 | { | |
3038 | return (CRYPTO_get_ex_data(&s->ex_data, idx)); | |
3039 | } | |
3040 | ||
3041 | int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | |
3042 | CRYPTO_EX_dup *dup_func, | |
3043 | CRYPTO_EX_free *free_func) | |
3044 | { | |
3045 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp, | |
3046 | new_func, dup_func, free_func); | |
3047 | } | |
3048 | ||
3049 | int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg) | |
3050 | { | |
3051 | return (CRYPTO_set_ex_data(&s->ex_data, idx, arg)); | |
3052 | } | |
3053 | ||
3054 | void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx) | |
3055 | { | |
3056 | return (CRYPTO_get_ex_data(&s->ex_data, idx)); | |
3057 | } | |
58964a49 | 3058 | |
4f43d0e7 | 3059 | int ssl_ok(SSL *s) |
0f113f3e MC |
3060 | { |
3061 | return (1); | |
3062 | } | |
dfeab068 | 3063 | |
0821bcd4 | 3064 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
0f113f3e MC |
3065 | { |
3066 | return (ctx->cert_store); | |
3067 | } | |
413c4f45 | 3068 | |
0f113f3e MC |
3069 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) |
3070 | { | |
222561fe | 3071 | X509_STORE_free(ctx->cert_store); |
0f113f3e MC |
3072 | ctx->cert_store = store; |
3073 | } | |
413c4f45 | 3074 | |
0821bcd4 | 3075 | int SSL_want(const SSL *s) |
0f113f3e MC |
3076 | { |
3077 | return (s->rwstate); | |
3078 | } | |
413c4f45 | 3079 | |
0f113f3e | 3080 | /** |
4f43d0e7 BL |
3081 | * \brief Set the callback for generating temporary RSA keys. |
3082 | * \param ctx the SSL context. | |
3083 | * \param cb the callback | |
3084 | */ | |
3085 | ||
bc36ee62 | 3086 | #ifndef OPENSSL_NO_RSA |
0f113f3e MC |
3087 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, RSA *(*cb) (SSL *ssl, |
3088 | int is_export, | |
3089 | int keylength)) | |
3090 | { | |
3091 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_RSA_CB, (void (*)(void))cb); | |
3092 | } | |
79df9d62 | 3093 | |
0f113f3e MC |
3094 | void SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb) (SSL *ssl, |
3095 | int is_export, | |
3096 | int keylength)) | |
3097 | { | |
3098 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_RSA_CB, (void (*)(void))cb); | |
3099 | } | |
79df9d62 | 3100 | #endif |
f8c3c05d | 3101 | |
4f43d0e7 | 3102 | #ifdef DOXYGEN |
0f113f3e | 3103 | /** |
4f43d0e7 BL |
3104 | * \brief The RSA temporary key callback function. |
3105 | * \param ssl the SSL session. | |
df63a389 UM |
3106 | * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite. |
3107 | * \param keylength if \c is_export is \c TRUE, then \c keylength is the size | |
3108 | * of the required key in bits. | |
4f43d0e7 BL |
3109 | * \return the temporary RSA key. |
3110 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
3111 | */ | |
3112 | ||
0f113f3e MC |
3113 | RSA *cb(SSL *ssl, int is_export, int keylength) |
3114 | { | |
3115 | } | |
4f43d0e7 BL |
3116 | #endif |
3117 | ||
0f113f3e | 3118 | /** |
4f43d0e7 BL |
3119 | * \brief Set the callback for generating temporary DH keys. |
3120 | * \param ctx the SSL context. | |
3121 | * \param dh the callback | |
3122 | */ | |
3123 | ||
bc36ee62 | 3124 | #ifndef OPENSSL_NO_DH |
0f113f3e MC |
3125 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, |
3126 | DH *(*dh) (SSL *ssl, int is_export, | |
3127 | int keylength)) | |
3128 | { | |
3129 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh); | |
3130 | } | |
f8c3c05d | 3131 | |
0f113f3e MC |
3132 | void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export, |
3133 | int keylength)) | |
3134 | { | |
3135 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh); | |
3136 | } | |
79df9d62 | 3137 | #endif |
15d21c2d | 3138 | |
10bf4fc2 | 3139 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
3140 | void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx, |
3141 | EC_KEY *(*ecdh) (SSL *ssl, int is_export, | |
3142 | int keylength)) | |
3143 | { | |
3144 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_ECDH_CB, | |
3145 | (void (*)(void))ecdh); | |
3146 | } | |
ea262260 | 3147 | |
0f113f3e MC |
3148 | void SSL_set_tmp_ecdh_callback(SSL *ssl, |
3149 | EC_KEY *(*ecdh) (SSL *ssl, int is_export, | |
3150 | int keylength)) | |
3151 | { | |
3152 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_ECDH_CB, (void (*)(void))ecdh); | |
3153 | } | |
ea262260 BM |
3154 | #endif |
3155 | ||
ddac1974 NL |
3156 | #ifndef OPENSSL_NO_PSK |
3157 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
0f113f3e MC |
3158 | { |
3159 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { | |
3160 | SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, | |
3161 | SSL_R_DATA_LENGTH_TOO_LONG); | |
3162 | return 0; | |
3163 | } | |
df6da24b | 3164 | OPENSSL_free(ctx->cert->psk_identity_hint); |
0f113f3e | 3165 | if (identity_hint != NULL) { |
df6da24b DSH |
3166 | ctx->cert->psk_identity_hint = BUF_strdup(identity_hint); |
3167 | if (ctx->cert->psk_identity_hint == NULL) | |
0f113f3e MC |
3168 | return 0; |
3169 | } else | |
df6da24b | 3170 | ctx->cert->psk_identity_hint = NULL; |
0f113f3e MC |
3171 | return 1; |
3172 | } | |
ddac1974 NL |
3173 | |
3174 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
0f113f3e MC |
3175 | { |
3176 | if (s == NULL) | |
3177 | return 0; | |
3178 | ||
0f113f3e MC |
3179 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
3180 | SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); | |
3181 | return 0; | |
3182 | } | |
df6da24b | 3183 | OPENSSL_free(s->cert->psk_identity_hint); |
0f113f3e | 3184 | if (identity_hint != NULL) { |
df6da24b DSH |
3185 | s->cert->psk_identity_hint = BUF_strdup(identity_hint); |
3186 | if (s->cert->psk_identity_hint == NULL) | |
0f113f3e MC |
3187 | return 0; |
3188 | } else | |
df6da24b | 3189 | s->cert->psk_identity_hint = NULL; |
0f113f3e MC |
3190 | return 1; |
3191 | } | |
ddac1974 NL |
3192 | |
3193 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
0f113f3e MC |
3194 | { |
3195 | if (s == NULL || s->session == NULL) | |
3196 | return NULL; | |
3197 | return (s->session->psk_identity_hint); | |
3198 | } | |
ddac1974 NL |
3199 | |
3200 | const char *SSL_get_psk_identity(const SSL *s) | |
0f113f3e MC |
3201 | { |
3202 | if (s == NULL || s->session == NULL) | |
3203 | return NULL; | |
3204 | return (s->session->psk_identity); | |
3205 | } | |
7806f3dd | 3206 | |
52b8dad8 | 3207 | void SSL_set_psk_client_callback(SSL *s, |
0f113f3e MC |
3208 | unsigned int (*cb) (SSL *ssl, |
3209 | const char *hint, | |
3210 | char *identity, | |
3211 | unsigned int | |
3212 | max_identity_len, | |
3213 | unsigned char *psk, | |
3214 | unsigned int | |
3215 | max_psk_len)) | |
3216 | { | |
3217 | s->psk_client_callback = cb; | |
3218 | } | |
7806f3dd NL |
3219 | |
3220 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, | |
0f113f3e MC |
3221 | unsigned int (*cb) (SSL *ssl, |
3222 | const char *hint, | |
3223 | char *identity, | |
3224 | unsigned int | |
3225 | max_identity_len, | |
3226 | unsigned char *psk, | |
3227 | unsigned int | |
3228 | max_psk_len)) | |
3229 | { | |
3230 | ctx->psk_client_callback = cb; | |
3231 | } | |
7806f3dd | 3232 | |
52b8dad8 | 3233 | void SSL_set_psk_server_callback(SSL *s, |
0f113f3e MC |
3234 | unsigned int (*cb) (SSL *ssl, |
3235 | const char *identity, | |
3236 | unsigned char *psk, | |
3237 | unsigned int | |
3238 | max_psk_len)) | |
3239 | { | |
3240 | s->psk_server_callback = cb; | |
3241 | } | |
7806f3dd NL |
3242 | |
3243 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, | |
0f113f3e MC |
3244 | unsigned int (*cb) (SSL *ssl, |
3245 | const char *identity, | |
3246 | unsigned char *psk, | |
3247 | unsigned int | |
3248 | max_psk_len)) | |
3249 | { | |
3250 | ctx->psk_server_callback = cb; | |
3251 | } | |
3252 | #endif | |
3253 | ||
3254 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, | |
3255 | void (*cb) (int write_p, int version, | |
3256 | int content_type, const void *buf, | |
3257 | size_t len, SSL *ssl, void *arg)) | |
3258 | { | |
3259 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
3260 | } | |
3261 | ||
3262 | void SSL_set_msg_callback(SSL *ssl, | |
3263 | void (*cb) (int write_p, int version, | |
3264 | int content_type, const void *buf, | |
3265 | size_t len, SSL *ssl, void *arg)) | |
3266 | { | |
3267 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
3268 | } | |
a661b653 | 3269 | |
7c2d4fee | 3270 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, |
0f113f3e MC |
3271 | int (*cb) (SSL *ssl, |
3272 | int | |
3273 | is_forward_secure)) | |
3274 | { | |
3275 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
3276 | (void (*)(void))cb); | |
3277 | } | |
3278 | ||
7c2d4fee | 3279 | void SSL_set_not_resumable_session_callback(SSL *ssl, |
0f113f3e MC |
3280 | int (*cb) (SSL *ssl, |
3281 | int is_forward_secure)) | |
3282 | { | |
3283 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
3284 | (void (*)(void))cb); | |
3285 | } | |
3286 | ||
3287 | /* | |
3288 | * Allocates new EVP_MD_CTX and sets pointer to it into given pointer | |
3289 | * vairable, freeing EVP_MD_CTX previously stored in that variable, if any. | |
3290 | * If EVP_MD pointer is passed, initializes ctx with this md Returns newly | |
3291 | * allocated ctx; | |
8671b898 | 3292 | */ |
b948e2c5 | 3293 | |
0f113f3e | 3294 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md) |
b948e2c5 | 3295 | { |
0f113f3e MC |
3296 | ssl_clear_hash_ctx(hash); |
3297 | *hash = EVP_MD_CTX_create(); | |
5f3d93e4 MC |
3298 | if (*hash == NULL || (md && EVP_DigestInit_ex(*hash, md, NULL) <= 0)) { |
3299 | EVP_MD_CTX_destroy(*hash); | |
3300 | *hash = NULL; | |
3301 | return NULL; | |
3302 | } | |
0f113f3e | 3303 | return *hash; |
b948e2c5 | 3304 | } |
0f113f3e MC |
3305 | |
3306 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash) | |
b948e2c5 DSH |
3307 | { |
3308 | ||
0f113f3e MC |
3309 | if (*hash) |
3310 | EVP_MD_CTX_destroy(*hash); | |
3311 | *hash = NULL; | |
b948e2c5 | 3312 | } |
a661b653 | 3313 | |
48fbcbac DSH |
3314 | /* Retrieve handshake hashes */ |
3315 | int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen) | |
3316 | { | |
3317 | unsigned char *p = out; | |
3318 | int idx, ret = 0; | |
3319 | long mask; | |
3320 | EVP_MD_CTX ctx; | |
3321 | const EVP_MD *md; | |
3322 | EVP_MD_CTX_init(&ctx); | |
3323 | for (idx = 0; ssl_get_handshake_digest(idx, &mask, &md); idx++) { | |
3324 | if (mask & ssl_get_algorithm2(s)) { | |
3325 | int hashsize = EVP_MD_size(md); | |
3326 | EVP_MD_CTX *hdgst = s->s3->handshake_dgst[idx]; | |
3327 | if (!hdgst || hashsize < 0 || hashsize > outlen) | |
3328 | goto err; | |
3329 | if (!EVP_MD_CTX_copy_ex(&ctx, hdgst)) | |
3330 | goto err; | |
3331 | if (!EVP_DigestFinal_ex(&ctx, p, NULL)) | |
3332 | goto err; | |
3333 | p += hashsize; | |
3334 | outlen -= hashsize; | |
3335 | } | |
3336 | } | |
3337 | ret = p - out; | |
3338 | err: | |
3339 | EVP_MD_CTX_cleanup(&ctx); | |
3340 | return ret; | |
3341 | } | |
3342 | ||
08557cf2 | 3343 | void SSL_set_debug(SSL *s, int debug) |
0f113f3e MC |
3344 | { |
3345 | s->debug = debug; | |
3346 | } | |
08557cf2 DSH |
3347 | |
3348 | int SSL_cache_hit(SSL *s) | |
0f113f3e MC |
3349 | { |
3350 | return s->hit; | |
3351 | } | |
08557cf2 | 3352 | |
87adf1fa | 3353 | int SSL_is_server(SSL *s) |
0f113f3e MC |
3354 | { |
3355 | return s->server; | |
3356 | } | |
87adf1fa | 3357 | |
b362ccab | 3358 | void SSL_set_security_level(SSL *s, int level) |
0f113f3e MC |
3359 | { |
3360 | s->cert->sec_level = level; | |
3361 | } | |
b362ccab DSH |
3362 | |
3363 | int SSL_get_security_level(const SSL *s) | |
0f113f3e MC |
3364 | { |
3365 | return s->cert->sec_level; | |
3366 | } | |
b362ccab | 3367 | |
0f113f3e MC |
3368 | void SSL_set_security_callback(SSL *s, |
3369 | int (*cb) (SSL *s, SSL_CTX *ctx, int op, | |
3370 | int bits, int nid, void *other, | |
3371 | void *ex)) | |
3372 | { | |
3373 | s->cert->sec_cb = cb; | |
3374 | } | |
b362ccab | 3375 | |
0f113f3e MC |
3376 | int (*SSL_get_security_callback(const SSL *s)) (SSL *s, SSL_CTX *ctx, int op, |
3377 | int bits, int nid, | |
3378 | void *other, void *ex) { | |
3379 | return s->cert->sec_cb; | |
3380 | } | |
b362ccab DSH |
3381 | |
3382 | void SSL_set0_security_ex_data(SSL *s, void *ex) | |
0f113f3e MC |
3383 | { |
3384 | s->cert->sec_ex = ex; | |
3385 | } | |
b362ccab DSH |
3386 | |
3387 | void *SSL_get0_security_ex_data(const SSL *s) | |
0f113f3e MC |
3388 | { |
3389 | return s->cert->sec_ex; | |
3390 | } | |
b362ccab DSH |
3391 | |
3392 | void SSL_CTX_set_security_level(SSL_CTX *ctx, int level) | |
0f113f3e MC |
3393 | { |
3394 | ctx->cert->sec_level = level; | |
3395 | } | |
b362ccab DSH |
3396 | |
3397 | int SSL_CTX_get_security_level(const SSL_CTX *ctx) | |
0f113f3e MC |
3398 | { |
3399 | return ctx->cert->sec_level; | |
3400 | } | |
b362ccab | 3401 | |
0f113f3e MC |
3402 | void SSL_CTX_set_security_callback(SSL_CTX *ctx, |
3403 | int (*cb) (SSL *s, SSL_CTX *ctx, int op, | |
3404 | int bits, int nid, void *other, | |
3405 | void *ex)) | |
3406 | { | |
3407 | ctx->cert->sec_cb = cb; | |
3408 | } | |
b362ccab | 3409 | |
0f113f3e MC |
3410 | int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (SSL *s, |
3411 | SSL_CTX *ctx, | |
3412 | int op, int bits, | |
3413 | int nid, | |
3414 | void *other, | |
3415 | void *ex) { | |
3416 | return ctx->cert->sec_cb; | |
3417 | } | |
b362ccab DSH |
3418 | |
3419 | void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex) | |
0f113f3e MC |
3420 | { |
3421 | ctx->cert->sec_ex = ex; | |
3422 | } | |
b362ccab DSH |
3423 | |
3424 | void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx) | |
0f113f3e MC |
3425 | { |
3426 | return ctx->cert->sec_ex; | |
3427 | } | |
b362ccab | 3428 | |
0f113f3e | 3429 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |