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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 LJ |
149 | #include "ssl_locl.h" |
150 | #include "kssl_lcl.h" | |
ec577822 BM |
151 | #include <openssl/objects.h> |
152 | #include <openssl/lhash.h> | |
bb7cd4e3 | 153 | #include <openssl/x509v3.h> |
6434abbf | 154 | #include <openssl/rand.h> |
67c8e7f4 | 155 | #include <openssl/ocsp.h> |
3eeaab4b | 156 | #ifndef OPENSSL_NO_DH |
0f113f3e | 157 | # include <openssl/dh.h> |
3eeaab4b | 158 | #endif |
bdfe932d | 159 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
160 | # include <openssl/engine.h> |
161 | #endif | |
162 | ||
163 | const char *SSL_version_str = OPENSSL_VERSION_TEXT; | |
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 | |
4f43d0e7 | 190 | int SSL_clear(SSL *s) |
0f113f3e | 191 | { |
0f113f3e MC |
192 | if (s->method == NULL) { |
193 | SSLerr(SSL_F_SSL_CLEAR, SSL_R_NO_METHOD_SPECIFIED); | |
194 | return (0); | |
195 | } | |
d02b48c6 | 196 | |
0f113f3e MC |
197 | if (ssl_clear_bad_session(s)) { |
198 | SSL_SESSION_free(s->session); | |
199 | s->session = NULL; | |
200 | } | |
d62bfb39 | 201 | |
0f113f3e MC |
202 | s->error = 0; |
203 | s->hit = 0; | |
204 | s->shutdown = 0; | |
d02b48c6 | 205 | |
0f113f3e MC |
206 | if (s->renegotiate) { |
207 | SSLerr(SSL_F_SSL_CLEAR, ERR_R_INTERNAL_ERROR); | |
208 | return 0; | |
209 | } | |
d02b48c6 | 210 | |
0f113f3e | 211 | s->type = 0; |
d02b48c6 | 212 | |
0f113f3e | 213 | s->state = SSL_ST_BEFORE | ((s->server) ? SSL_ST_ACCEPT : SSL_ST_CONNECT); |
413c4f45 | 214 | |
0f113f3e MC |
215 | s->version = s->method->version; |
216 | s->client_version = s->version; | |
217 | s->rwstate = SSL_NOTHING; | |
d02b48c6 | 218 | |
0f113f3e MC |
219 | if (s->init_buf != NULL) { |
220 | BUF_MEM_free(s->init_buf); | |
221 | s->init_buf = NULL; | |
222 | } | |
d02b48c6 | 223 | |
0f113f3e MC |
224 | ssl_clear_cipher_ctx(s); |
225 | ssl_clear_hash_ctx(&s->read_hash); | |
226 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 | 227 | |
0f113f3e | 228 | s->first_packet = 0; |
d02b48c6 | 229 | |
0f113f3e MC |
230 | /* |
231 | * Check to see if we were changed into a different method, if so, revert | |
232 | * back if we are not doing session-id reuse. | |
233 | */ | |
234 | if (!s->in_handshake && (s->session == NULL) | |
235 | && (s->method != s->ctx->method)) { | |
236 | s->method->ssl_free(s); | |
237 | s->method = s->ctx->method; | |
238 | if (!s->method->ssl_new(s)) | |
239 | return (0); | |
240 | } else | |
0f113f3e | 241 | s->method->ssl_clear(s); |
33d23b87 | 242 | |
af9752e5 | 243 | RECORD_LAYER_clear(&s->rlayer); |
33d23b87 | 244 | |
0f113f3e MC |
245 | return (1); |
246 | } | |
d02b48c6 | 247 | |
4f43d0e7 | 248 | /** Used to change an SSL_CTXs default SSL method type */ |
0f113f3e MC |
249 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth) |
250 | { | |
251 | STACK_OF(SSL_CIPHER) *sk; | |
252 | ||
253 | ctx->method = meth; | |
254 | ||
255 | sk = ssl_create_cipher_list(ctx->method, &(ctx->cipher_list), | |
256 | &(ctx->cipher_list_by_id), | |
257 | SSL_DEFAULT_CIPHER_LIST, ctx->cert); | |
258 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) { | |
259 | SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION, | |
260 | SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); | |
261 | return (0); | |
262 | } | |
263 | return (1); | |
264 | } | |
d02b48c6 | 265 | |
4f43d0e7 | 266 | SSL *SSL_new(SSL_CTX *ctx) |
0f113f3e MC |
267 | { |
268 | SSL *s; | |
269 | ||
270 | if (ctx == NULL) { | |
271 | SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX); | |
272 | return (NULL); | |
273 | } | |
274 | if (ctx->method == NULL) { | |
275 | SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); | |
276 | return (NULL); | |
277 | } | |
278 | ||
279 | s = (SSL *)OPENSSL_malloc(sizeof(SSL)); | |
280 | if (s == NULL) | |
281 | goto err; | |
282 | memset(s, 0, sizeof(SSL)); | |
283 | ||
c036e210 | 284 | RECORD_LAYER_init(&s->rlayer, s); |
28d59af8 | 285 | |
0f113f3e MC |
286 | #ifndef OPENSSL_NO_KRB5 |
287 | s->kssl_ctx = kssl_ctx_new(); | |
288 | #endif /* OPENSSL_NO_KRB5 */ | |
289 | ||
290 | s->options = ctx->options; | |
291 | s->mode = ctx->mode; | |
292 | s->max_cert_list = ctx->max_cert_list; | |
293 | ||
2c382349 KR |
294 | /* |
295 | * Earlier library versions used to copy the pointer to the CERT, not | |
296 | * its contents; only when setting new parameters for the per-SSL | |
297 | * copy, ssl_cert_new would be called (and the direct reference to | |
298 | * the per-SSL_CTX settings would be lost, but those still were | |
299 | * indirectly accessed for various purposes, and for that reason they | |
300 | * used to be known as s->ctx->default_cert). Now we don't look at the | |
301 | * SSL_CTX's CERT after having duplicated it once. | |
302 | */ | |
303 | s->cert = ssl_cert_dup(ctx->cert); | |
304 | if (s->cert == NULL) | |
305 | goto err; | |
0f113f3e | 306 | |
52e1d7b1 | 307 | RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead); |
0f113f3e MC |
308 | s->msg_callback = ctx->msg_callback; |
309 | s->msg_callback_arg = ctx->msg_callback_arg; | |
310 | s->verify_mode = ctx->verify_mode; | |
311 | s->not_resumable_session_cb = ctx->not_resumable_session_cb; | |
0f113f3e MC |
312 | s->sid_ctx_length = ctx->sid_ctx_length; |
313 | OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx); | |
314 | memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx)); | |
315 | s->verify_callback = ctx->default_verify_callback; | |
316 | s->generate_session_id = ctx->generate_session_id; | |
317 | ||
318 | s->param = X509_VERIFY_PARAM_new(); | |
319 | if (!s->param) | |
320 | goto err; | |
321 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); | |
0f113f3e MC |
322 | s->quiet_shutdown = ctx->quiet_shutdown; |
323 | s->max_send_fragment = ctx->max_send_fragment; | |
bf21446a | 324 | |
0f113f3e MC |
325 | CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX); |
326 | s->ctx = ctx; | |
1aeb3da8 | 327 | #ifndef OPENSSL_NO_TLSEXT |
0f113f3e MC |
328 | s->tlsext_debug_cb = 0; |
329 | s->tlsext_debug_arg = NULL; | |
330 | s->tlsext_ticket_expected = 0; | |
331 | s->tlsext_status_type = -1; | |
332 | s->tlsext_status_expected = 0; | |
333 | s->tlsext_ocsp_ids = NULL; | |
334 | s->tlsext_ocsp_exts = NULL; | |
335 | s->tlsext_ocsp_resp = NULL; | |
336 | s->tlsext_ocsp_resplen = -1; | |
337 | CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX); | |
338 | s->initial_ctx = ctx; | |
339 | # ifndef OPENSSL_NO_EC | |
340 | if (ctx->tlsext_ecpointformatlist) { | |
341 | s->tlsext_ecpointformatlist = | |
342 | BUF_memdup(ctx->tlsext_ecpointformatlist, | |
343 | ctx->tlsext_ecpointformatlist_length); | |
344 | if (!s->tlsext_ecpointformatlist) | |
345 | goto err; | |
346 | s->tlsext_ecpointformatlist_length = | |
347 | ctx->tlsext_ecpointformatlist_length; | |
348 | } | |
349 | if (ctx->tlsext_ellipticcurvelist) { | |
350 | s->tlsext_ellipticcurvelist = | |
351 | BUF_memdup(ctx->tlsext_ellipticcurvelist, | |
352 | ctx->tlsext_ellipticcurvelist_length); | |
353 | if (!s->tlsext_ellipticcurvelist) | |
354 | goto err; | |
355 | s->tlsext_ellipticcurvelist_length = | |
356 | ctx->tlsext_ellipticcurvelist_length; | |
357 | } | |
358 | # endif | |
bf48836c | 359 | # ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e | 360 | s->next_proto_negotiated = NULL; |
ee2ffc27 | 361 | # endif |
6f017a8f | 362 | |
0f113f3e MC |
363 | if (s->ctx->alpn_client_proto_list) { |
364 | s->alpn_client_proto_list = | |
365 | OPENSSL_malloc(s->ctx->alpn_client_proto_list_len); | |
366 | if (s->alpn_client_proto_list == NULL) | |
367 | goto err; | |
368 | memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list, | |
369 | s->ctx->alpn_client_proto_list_len); | |
370 | s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len; | |
371 | } | |
1aeb3da8 | 372 | #endif |
d02b48c6 | 373 | |
0f113f3e | 374 | s->verify_result = X509_V_OK; |
d02b48c6 | 375 | |
0f113f3e | 376 | s->method = ctx->method; |
d02b48c6 | 377 | |
0f113f3e MC |
378 | if (!s->method->ssl_new(s)) |
379 | goto err; | |
d02b48c6 | 380 | |
0f113f3e MC |
381 | s->references = 1; |
382 | s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1; | |
bf21446a | 383 | |
69f68237 MC |
384 | if(!SSL_clear(s)) |
385 | goto err; | |
58964a49 | 386 | |
0f113f3e | 387 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 388 | |
ddac1974 | 389 | #ifndef OPENSSL_NO_PSK |
0f113f3e MC |
390 | s->psk_client_callback = ctx->psk_client_callback; |
391 | s->psk_server_callback = ctx->psk_server_callback; | |
ddac1974 NL |
392 | #endif |
393 | ||
0f113f3e MC |
394 | return (s); |
395 | err: | |
62adbcee | 396 | SSL_free(s); |
0f113f3e MC |
397 | SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE); |
398 | return (NULL); | |
399 | } | |
d02b48c6 | 400 | |
0f113f3e MC |
401 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, |
402 | unsigned int sid_ctx_len) | |
403 | { | |
404 | if (sid_ctx_len > sizeof ctx->sid_ctx) { | |
405 | SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT, | |
406 | SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
407 | return 0; | |
408 | } | |
409 | ctx->sid_ctx_length = sid_ctx_len; | |
410 | memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len); | |
4eb77b26 BM |
411 | |
412 | return 1; | |
0f113f3e | 413 | } |
4eb77b26 | 414 | |
0f113f3e MC |
415 | int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, |
416 | unsigned int sid_ctx_len) | |
417 | { | |
418 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { | |
419 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT, | |
420 | SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
421 | return 0; | |
422 | } | |
423 | ssl->sid_ctx_length = sid_ctx_len; | |
424 | memcpy(ssl->sid_ctx, sid_ctx, sid_ctx_len); | |
b4cadc6e BL |
425 | |
426 | return 1; | |
0f113f3e | 427 | } |
b4cadc6e | 428 | |
dc644fe2 | 429 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
0f113f3e MC |
430 | { |
431 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
432 | ctx->generate_session_id = cb; | |
433 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
434 | return 1; | |
435 | } | |
dc644fe2 GT |
436 | |
437 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
0f113f3e MC |
438 | { |
439 | CRYPTO_w_lock(CRYPTO_LOCK_SSL); | |
440 | ssl->generate_session_id = cb; | |
441 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL); | |
442 | return 1; | |
443 | } | |
dc644fe2 | 444 | |
f85c9904 | 445 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
0f113f3e MC |
446 | unsigned int id_len) |
447 | { | |
448 | /* | |
449 | * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
450 | * we can "construct" a session to give us the desired check - ie. to | |
451 | * find if there's a session in the hash table that would conflict with | |
452 | * any new session built out of this id/id_len and the ssl_version in use | |
453 | * by this SSL. | |
454 | */ | |
455 | SSL_SESSION r, *p; | |
456 | ||
457 | if (id_len > sizeof r.session_id) | |
458 | return 0; | |
459 | ||
460 | r.ssl_version = ssl->version; | |
461 | r.session_id_length = id_len; | |
462 | memcpy(r.session_id, id, id_len); | |
463 | ||
464 | CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); | |
465 | p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r); | |
466 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); | |
467 | return (p != NULL); | |
468 | } | |
dc644fe2 | 469 | |
bb7cd4e3 | 470 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
0f113f3e MC |
471 | { |
472 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
473 | } | |
bb7cd4e3 DSH |
474 | |
475 | int SSL_set_purpose(SSL *s, int purpose) | |
0f113f3e MC |
476 | { |
477 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); | |
478 | } | |
926a56bf | 479 | |
bb7cd4e3 | 480 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
0f113f3e MC |
481 | { |
482 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
483 | } | |
bb7cd4e3 DSH |
484 | |
485 | int SSL_set_trust(SSL *s, int trust) | |
0f113f3e MC |
486 | { |
487 | return X509_VERIFY_PARAM_set_trust(s->param, trust); | |
488 | } | |
bb7cd4e3 | 489 | |
ccf11751 | 490 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
0f113f3e MC |
491 | { |
492 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
493 | } | |
ccf11751 DSH |
494 | |
495 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
0f113f3e MC |
496 | { |
497 | return X509_VERIFY_PARAM_set1(ssl->param, vpm); | |
498 | } | |
ccf11751 | 499 | |
7af31968 | 500 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) |
0f113f3e MC |
501 | { |
502 | return ctx->param; | |
503 | } | |
7af31968 DSH |
504 | |
505 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) | |
0f113f3e MC |
506 | { |
507 | return ssl->param; | |
508 | } | |
7af31968 | 509 | |
a5ee80b9 | 510 | void SSL_certs_clear(SSL *s) |
0f113f3e MC |
511 | { |
512 | ssl_cert_clear_certs(s->cert); | |
513 | } | |
a5ee80b9 | 514 | |
4f43d0e7 | 515 | void SSL_free(SSL *s) |
0f113f3e MC |
516 | { |
517 | int i; | |
58964a49 | 518 | |
0f113f3e MC |
519 | if (s == NULL) |
520 | return; | |
e03ddfae | 521 | |
0f113f3e | 522 | i = CRYPTO_add(&s->references, -1, CRYPTO_LOCK_SSL); |
58964a49 | 523 | #ifdef REF_PRINT |
0f113f3e | 524 | REF_PRINT("SSL", s); |
58964a49 | 525 | #endif |
0f113f3e MC |
526 | if (i > 0) |
527 | return; | |
58964a49 | 528 | #ifdef REF_CHECK |
0f113f3e MC |
529 | if (i < 0) { |
530 | fprintf(stderr, "SSL_free, bad reference count\n"); | |
531 | abort(); /* ok */ | |
532 | } | |
1aeb3da8 | 533 | #endif |
d02b48c6 | 534 | |
0f113f3e MC |
535 | if (s->param) |
536 | X509_VERIFY_PARAM_free(s->param); | |
537 | ||
538 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); | |
539 | ||
540 | if (s->bbio != NULL) { | |
541 | /* If the buffering BIO is in place, pop it off */ | |
542 | if (s->bbio == s->wbio) { | |
543 | s->wbio = BIO_pop(s->wbio); | |
544 | } | |
545 | BIO_free(s->bbio); | |
546 | s->bbio = NULL; | |
547 | } | |
ca3a82c3 RS |
548 | BIO_free_all(s->rbio); |
549 | if (s->wbio != s->rbio) | |
0f113f3e MC |
550 | BIO_free_all(s->wbio); |
551 | ||
552 | if (s->init_buf != NULL) | |
553 | BUF_MEM_free(s->init_buf); | |
554 | ||
555 | /* add extra stuff */ | |
556 | if (s->cipher_list != NULL) | |
557 | sk_SSL_CIPHER_free(s->cipher_list); | |
558 | if (s->cipher_list_by_id != NULL) | |
559 | sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
560 | ||
561 | /* Make the next call work :-) */ | |
562 | if (s->session != NULL) { | |
563 | ssl_clear_bad_session(s); | |
564 | SSL_SESSION_free(s->session); | |
565 | } | |
566 | ||
567 | ssl_clear_cipher_ctx(s); | |
568 | ssl_clear_hash_ctx(&s->read_hash); | |
569 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 | 570 | |
0f113f3e MC |
571 | if (s->cert != NULL) |
572 | ssl_cert_free(s->cert); | |
573 | /* Free up if allocated */ | |
d02b48c6 | 574 | |
0f113f3e MC |
575 | #ifndef OPENSSL_NO_TLSEXT |
576 | if (s->tlsext_hostname) | |
577 | OPENSSL_free(s->tlsext_hostname); | |
578 | if (s->initial_ctx) | |
579 | SSL_CTX_free(s->initial_ctx); | |
580 | # ifndef OPENSSL_NO_EC | |
581 | if (s->tlsext_ecpointformatlist) | |
582 | OPENSSL_free(s->tlsext_ecpointformatlist); | |
583 | if (s->tlsext_ellipticcurvelist) | |
584 | OPENSSL_free(s->tlsext_ellipticcurvelist); | |
585 | # endif /* OPENSSL_NO_EC */ | |
0f113f3e MC |
586 | if (s->tlsext_ocsp_exts) |
587 | sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, X509_EXTENSION_free); | |
588 | if (s->tlsext_ocsp_ids) | |
589 | sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free); | |
590 | if (s->tlsext_ocsp_resp) | |
591 | OPENSSL_free(s->tlsext_ocsp_resp); | |
592 | if (s->alpn_client_proto_list) | |
593 | OPENSSL_free(s->alpn_client_proto_list); | |
594 | #endif | |
595 | ||
596 | if (s->client_CA != NULL) | |
597 | sk_X509_NAME_pop_free(s->client_CA, X509_NAME_free); | |
598 | ||
599 | if (s->method != NULL) | |
600 | s->method->ssl_free(s); | |
601 | ||
f161995e | 602 | RECORD_LAYER_release(&s->rlayer); |
33d23b87 | 603 | |
0f113f3e MC |
604 | if (s->ctx) |
605 | SSL_CTX_free(s->ctx); | |
7c3908dd | 606 | |
0f113f3e MC |
607 | #ifndef OPENSSL_NO_KRB5 |
608 | if (s->kssl_ctx != NULL) | |
609 | kssl_ctx_free(s->kssl_ctx); | |
610 | #endif /* OPENSSL_NO_KRB5 */ | |
0e6c20da | 611 | |
bf48836c | 612 | #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) |
0f113f3e MC |
613 | if (s->next_proto_negotiated) |
614 | OPENSSL_free(s->next_proto_negotiated); | |
ee2ffc27 BL |
615 | #endif |
616 | ||
e783bae2 | 617 | #ifndef OPENSSL_NO_SRTP |
0f113f3e MC |
618 | if (s->srtp_profiles) |
619 | sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles); | |
620 | #endif | |
621 | ||
622 | OPENSSL_free(s); | |
623 | } | |
624 | ||
3ffbe008 MC |
625 | void SSL_set_rbio(SSL *s, BIO *rbio) |
626 | { | |
ca3a82c3 | 627 | if (s->rbio != rbio) |
3ffbe008 MC |
628 | BIO_free_all(s->rbio); |
629 | s->rbio = rbio; | |
630 | } | |
631 | ||
632 | void SSL_set_wbio(SSL *s, BIO *wbio) | |
0f113f3e MC |
633 | { |
634 | /* | |
635 | * If the output buffering BIO is still in place, remove it | |
636 | */ | |
637 | if (s->bbio != NULL) { | |
638 | if (s->wbio == s->bbio) { | |
639 | s->wbio = s->wbio->next_bio; | |
640 | s->bbio->next_bio = NULL; | |
641 | } | |
642 | } | |
ca3a82c3 | 643 | if (s->wbio != wbio && s->rbio != s->wbio) |
0f113f3e | 644 | BIO_free_all(s->wbio); |
0f113f3e MC |
645 | s->wbio = wbio; |
646 | } | |
d02b48c6 | 647 | |
3ffbe008 MC |
648 | void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio) |
649 | { | |
650 | SSL_set_wbio(s, wbio); | |
651 | SSL_set_rbio(s, rbio); | |
652 | } | |
653 | ||
0821bcd4 | 654 | BIO *SSL_get_rbio(const SSL *s) |
0f113f3e MC |
655 | { |
656 | return (s->rbio); | |
657 | } | |
d02b48c6 | 658 | |
0821bcd4 | 659 | BIO *SSL_get_wbio(const SSL *s) |
0f113f3e MC |
660 | { |
661 | return (s->wbio); | |
662 | } | |
d02b48c6 | 663 | |
0821bcd4 | 664 | int SSL_get_fd(const SSL *s) |
0f113f3e MC |
665 | { |
666 | return (SSL_get_rfd(s)); | |
667 | } | |
24cbf3ef | 668 | |
0821bcd4 | 669 | int SSL_get_rfd(const SSL *s) |
0f113f3e MC |
670 | { |
671 | int ret = -1; | |
672 | BIO *b, *r; | |
673 | ||
674 | b = SSL_get_rbio(s); | |
675 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
676 | if (r != NULL) | |
677 | BIO_get_fd(r, &ret); | |
678 | return (ret); | |
679 | } | |
d02b48c6 | 680 | |
0821bcd4 | 681 | int SSL_get_wfd(const SSL *s) |
0f113f3e MC |
682 | { |
683 | int ret = -1; | |
684 | BIO *b, *r; | |
685 | ||
686 | b = SSL_get_wbio(s); | |
687 | r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR); | |
688 | if (r != NULL) | |
689 | BIO_get_fd(r, &ret); | |
690 | return (ret); | |
691 | } | |
24cbf3ef | 692 | |
bc36ee62 | 693 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
694 | int SSL_set_fd(SSL *s, int fd) |
695 | { | |
696 | int ret = 0; | |
697 | BIO *bio = NULL; | |
698 | ||
699 | bio = BIO_new(BIO_s_socket()); | |
700 | ||
701 | if (bio == NULL) { | |
702 | SSLerr(SSL_F_SSL_SET_FD, ERR_R_BUF_LIB); | |
703 | goto err; | |
704 | } | |
705 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
706 | SSL_set_bio(s, bio, bio); | |
707 | ret = 1; | |
708 | err: | |
709 | return (ret); | |
710 | } | |
d02b48c6 | 711 | |
0f113f3e MC |
712 | int SSL_set_wfd(SSL *s, int fd) |
713 | { | |
714 | int ret = 0; | |
715 | BIO *bio = NULL; | |
716 | ||
717 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) | |
718 | || ((int)BIO_get_fd(s->rbio, NULL) != fd)) { | |
719 | bio = BIO_new(BIO_s_socket()); | |
720 | ||
721 | if (bio == NULL) { | |
722 | SSLerr(SSL_F_SSL_SET_WFD, ERR_R_BUF_LIB); | |
723 | goto err; | |
724 | } | |
725 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
726 | SSL_set_bio(s, SSL_get_rbio(s), bio); | |
727 | } else | |
728 | SSL_set_bio(s, SSL_get_rbio(s), SSL_get_rbio(s)); | |
729 | ret = 1; | |
730 | err: | |
731 | return (ret); | |
732 | } | |
733 | ||
734 | int SSL_set_rfd(SSL *s, int fd) | |
735 | { | |
736 | int ret = 0; | |
737 | BIO *bio = NULL; | |
738 | ||
739 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) | |
740 | || ((int)BIO_get_fd(s->wbio, NULL) != fd)) { | |
741 | bio = BIO_new(BIO_s_socket()); | |
742 | ||
743 | if (bio == NULL) { | |
744 | SSLerr(SSL_F_SSL_SET_RFD, ERR_R_BUF_LIB); | |
745 | goto err; | |
746 | } | |
747 | BIO_set_fd(bio, fd, BIO_NOCLOSE); | |
748 | SSL_set_bio(s, bio, SSL_get_wbio(s)); | |
749 | } else | |
750 | SSL_set_bio(s, SSL_get_wbio(s), SSL_get_wbio(s)); | |
751 | ret = 1; | |
752 | err: | |
753 | return (ret); | |
754 | } | |
755 | #endif | |
ca03109c BM |
756 | |
757 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 758 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
759 | { |
760 | size_t ret = 0; | |
761 | ||
762 | if (s->s3 != NULL) { | |
763 | ret = s->s3->tmp.finish_md_len; | |
764 | if (count > ret) | |
765 | count = ret; | |
766 | memcpy(buf, s->s3->tmp.finish_md, count); | |
767 | } | |
768 | return ret; | |
769 | } | |
ca03109c BM |
770 | |
771 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 772 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
0f113f3e MC |
773 | { |
774 | size_t ret = 0; | |
ca03109c | 775 | |
0f113f3e MC |
776 | if (s->s3 != NULL) { |
777 | ret = s->s3->tmp.peer_finish_md_len; | |
778 | if (count > ret) | |
779 | count = ret; | |
780 | memcpy(buf, s->s3->tmp.peer_finish_md, count); | |
781 | } | |
782 | return ret; | |
783 | } | |
ca03109c | 784 | |
0821bcd4 | 785 | int SSL_get_verify_mode(const SSL *s) |
0f113f3e MC |
786 | { |
787 | return (s->verify_mode); | |
788 | } | |
d02b48c6 | 789 | |
0821bcd4 | 790 | int SSL_get_verify_depth(const SSL *s) |
0f113f3e MC |
791 | { |
792 | return X509_VERIFY_PARAM_get_depth(s->param); | |
793 | } | |
7f89714e | 794 | |
0f113f3e MC |
795 | int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) { |
796 | return (s->verify_callback); | |
797 | } | |
d02b48c6 | 798 | |
0821bcd4 | 799 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
0f113f3e MC |
800 | { |
801 | return (ctx->verify_mode); | |
802 | } | |
d02b48c6 | 803 | |
0821bcd4 | 804 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
0f113f3e MC |
805 | { |
806 | return X509_VERIFY_PARAM_get_depth(ctx->param); | |
807 | } | |
808 | ||
809 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) { | |
810 | return (ctx->default_verify_callback); | |
811 | } | |
812 | ||
813 | void SSL_set_verify(SSL *s, int mode, | |
814 | int (*callback) (int ok, X509_STORE_CTX *ctx)) | |
815 | { | |
816 | s->verify_mode = mode; | |
817 | if (callback != NULL) | |
818 | s->verify_callback = callback; | |
819 | } | |
820 | ||
821 | void SSL_set_verify_depth(SSL *s, int depth) | |
822 | { | |
823 | X509_VERIFY_PARAM_set_depth(s->param, depth); | |
824 | } | |
825 | ||
826 | void SSL_set_read_ahead(SSL *s, int yes) | |
827 | { | |
52e1d7b1 | 828 | RECORD_LAYER_set_read_ahead(&s->rlayer, yes); |
0f113f3e | 829 | } |
d02b48c6 | 830 | |
0821bcd4 | 831 | int SSL_get_read_ahead(const SSL *s) |
0f113f3e | 832 | { |
52e1d7b1 | 833 | return RECORD_LAYER_get_read_ahead(&s->rlayer); |
0f113f3e | 834 | } |
d02b48c6 | 835 | |
0821bcd4 | 836 | int SSL_pending(const SSL *s) |
0f113f3e MC |
837 | { |
838 | /* | |
839 | * SSL_pending cannot work properly if read-ahead is enabled | |
840 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is | |
841 | * impossible to fix since SSL_pending cannot report errors that may be | |
842 | * observed while scanning the new data. (Note that SSL_pending() is | |
843 | * often used as a boolean value, so we'd better not return -1.) | |
844 | */ | |
845 | return (s->method->ssl_pending(s)); | |
846 | } | |
d02b48c6 | 847 | |
0821bcd4 | 848 | X509 *SSL_get_peer_certificate(const SSL *s) |
0f113f3e MC |
849 | { |
850 | X509 *r; | |
d02b48c6 | 851 | |
0f113f3e MC |
852 | if ((s == NULL) || (s->session == NULL)) |
853 | r = NULL; | |
854 | else | |
855 | r = s->session->peer; | |
d02b48c6 | 856 | |
0f113f3e MC |
857 | if (r == NULL) |
858 | return (r); | |
d02b48c6 | 859 | |
0f113f3e MC |
860 | CRYPTO_add(&r->references, 1, CRYPTO_LOCK_X509); |
861 | ||
862 | return (r); | |
863 | } | |
d02b48c6 | 864 | |
0821bcd4 | 865 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
0f113f3e MC |
866 | { |
867 | STACK_OF(X509) *r; | |
868 | ||
869 | if ((s == NULL) || (s->session == NULL) | |
870 | || (s->session->sess_cert == NULL)) | |
871 | r = NULL; | |
872 | else | |
873 | r = s->session->sess_cert->cert_chain; | |
874 | ||
875 | /* | |
876 | * If we are a client, cert_chain includes the peer's own certificate; if | |
877 | * we are a server, it does not. | |
878 | */ | |
879 | ||
880 | return (r); | |
881 | } | |
882 | ||
883 | /* | |
884 | * Now in theory, since the calling process own 't' it should be safe to | |
885 | * modify. We need to be able to read f without being hassled | |
886 | */ | |
17dd65e6 | 887 | int SSL_copy_session_id(SSL *t, const SSL *f) |
0f113f3e | 888 | { |
0f113f3e | 889 | /* Do we need to to SSL locking? */ |
69f68237 | 890 | if(!SSL_set_session(t, SSL_get_session(f))) { |
17dd65e6 | 891 | return 0; |
69f68237 | 892 | } |
0f113f3e MC |
893 | |
894 | /* | |
895 | * what if we are setup as SSLv2 but want to talk SSLv3 or vice-versa | |
896 | */ | |
897 | if (t->method != f->method) { | |
898 | t->method->ssl_free(t); /* cleanup current */ | |
899 | t->method = f->method; /* change method */ | |
900 | t->method->ssl_new(t); /* setup new */ | |
901 | } | |
902 | ||
24a0d393 KR |
903 | CRYPTO_add(&f->cert->references, 1, CRYPTO_LOCK_SSL_CERT); |
904 | ssl_cert_free(t->cert); | |
905 | t->cert = f->cert; | |
69f68237 | 906 | if(!SSL_set_session_id_context(t, f->sid_ctx, f->sid_ctx_length)) { |
17dd65e6 | 907 | return 0; |
69f68237 | 908 | } |
17dd65e6 MC |
909 | |
910 | return 1; | |
0f113f3e | 911 | } |
d02b48c6 | 912 | |
58964a49 | 913 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 914 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
0f113f3e MC |
915 | { |
916 | if ((ctx == NULL) || | |
24a0d393 | 917 | (ctx->cert->key->x509 == NULL)) { |
0f113f3e MC |
918 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY, |
919 | SSL_R_NO_CERTIFICATE_ASSIGNED); | |
920 | return (0); | |
921 | } | |
922 | if (ctx->cert->key->privatekey == NULL) { | |
923 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY, | |
924 | SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
925 | return (0); | |
926 | } | |
927 | return (X509_check_private_key | |
928 | (ctx->cert->key->x509, ctx->cert->key->privatekey)); | |
929 | } | |
d02b48c6 | 930 | |
58964a49 | 931 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 932 | int SSL_check_private_key(const SSL *ssl) |
0f113f3e MC |
933 | { |
934 | if (ssl == NULL) { | |
935 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, ERR_R_PASSED_NULL_PARAMETER); | |
936 | return (0); | |
937 | } | |
0f113f3e MC |
938 | if (ssl->cert->key->x509 == NULL) { |
939 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, SSL_R_NO_CERTIFICATE_ASSIGNED); | |
940 | return (0); | |
941 | } | |
942 | if (ssl->cert->key->privatekey == NULL) { | |
943 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY, SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
944 | return (0); | |
945 | } | |
946 | return (X509_check_private_key(ssl->cert->key->x509, | |
947 | ssl->cert->key->privatekey)); | |
948 | } | |
d02b48c6 | 949 | |
4f43d0e7 | 950 | int SSL_accept(SSL *s) |
0f113f3e MC |
951 | { |
952 | if (s->handshake_func == 0) | |
953 | /* Not properly initialized yet */ | |
954 | SSL_set_accept_state(s); | |
b31b04d9 | 955 | |
0f113f3e MC |
956 | return (s->method->ssl_accept(s)); |
957 | } | |
d02b48c6 | 958 | |
4f43d0e7 | 959 | int SSL_connect(SSL *s) |
0f113f3e MC |
960 | { |
961 | if (s->handshake_func == 0) | |
962 | /* Not properly initialized yet */ | |
963 | SSL_set_connect_state(s); | |
b31b04d9 | 964 | |
0f113f3e MC |
965 | return (s->method->ssl_connect(s)); |
966 | } | |
d02b48c6 | 967 | |
0821bcd4 | 968 | long SSL_get_default_timeout(const SSL *s) |
0f113f3e MC |
969 | { |
970 | return (s->method->get_timeout()); | |
971 | } | |
972 | ||
973 | int SSL_read(SSL *s, void *buf, int num) | |
974 | { | |
975 | if (s->handshake_func == 0) { | |
976 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); | |
977 | return -1; | |
978 | } | |
979 | ||
980 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) { | |
981 | s->rwstate = SSL_NOTHING; | |
982 | return (0); | |
983 | } | |
984 | return (s->method->ssl_read(s, buf, num)); | |
985 | } | |
986 | ||
987 | int SSL_peek(SSL *s, void *buf, int num) | |
988 | { | |
989 | if (s->handshake_func == 0) { | |
990 | SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED); | |
991 | return -1; | |
992 | } | |
993 | ||
994 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) { | |
995 | return (0); | |
996 | } | |
997 | return (s->method->ssl_peek(s, buf, num)); | |
998 | } | |
999 | ||
1000 | int SSL_write(SSL *s, const void *buf, int num) | |
1001 | { | |
1002 | if (s->handshake_func == 0) { | |
1003 | SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); | |
1004 | return -1; | |
1005 | } | |
1006 | ||
1007 | if (s->shutdown & SSL_SENT_SHUTDOWN) { | |
1008 | s->rwstate = SSL_NOTHING; | |
1009 | SSLerr(SSL_F_SSL_WRITE, SSL_R_PROTOCOL_IS_SHUTDOWN); | |
1010 | return (-1); | |
1011 | } | |
1012 | return (s->method->ssl_write(s, buf, num)); | |
1013 | } | |
d02b48c6 | 1014 | |
4f43d0e7 | 1015 | int SSL_shutdown(SSL *s) |
0f113f3e MC |
1016 | { |
1017 | /* | |
1018 | * Note that this function behaves differently from what one might | |
1019 | * expect. Return values are 0 for no success (yet), 1 for success; but | |
1020 | * calling it once is usually not enough, even if blocking I/O is used | |
1021 | * (see ssl3_shutdown). | |
1022 | */ | |
1023 | ||
1024 | if (s->handshake_func == 0) { | |
1025 | SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); | |
1026 | return -1; | |
1027 | } | |
1028 | ||
1029 | if ((s != NULL) && !SSL_in_init(s)) | |
1030 | return (s->method->ssl_shutdown(s)); | |
1031 | else | |
1032 | return (1); | |
1033 | } | |
d02b48c6 | 1034 | |
4f43d0e7 | 1035 | int SSL_renegotiate(SSL *s) |
0f113f3e MC |
1036 | { |
1037 | if (s->renegotiate == 0) | |
1038 | s->renegotiate = 1; | |
44959ee4 | 1039 | |
0f113f3e | 1040 | s->new_session = 1; |
44959ee4 | 1041 | |
0f113f3e MC |
1042 | return (s->method->ssl_renegotiate(s)); |
1043 | } | |
d02b48c6 | 1044 | |
44959ee4 | 1045 | int SSL_renegotiate_abbreviated(SSL *s) |
0f113f3e MC |
1046 | { |
1047 | if (s->renegotiate == 0) | |
1048 | s->renegotiate = 1; | |
c519e89f | 1049 | |
0f113f3e | 1050 | s->new_session = 0; |
c519e89f | 1051 | |
0f113f3e MC |
1052 | return (s->method->ssl_renegotiate(s)); |
1053 | } | |
44959ee4 | 1054 | |
6b0e9fac | 1055 | int SSL_renegotiate_pending(SSL *s) |
0f113f3e MC |
1056 | { |
1057 | /* | |
1058 | * becomes true when negotiation is requested; false again once a | |
1059 | * handshake has finished | |
1060 | */ | |
1061 | return (s->renegotiate != 0); | |
1062 | } | |
1063 | ||
1064 | long SSL_ctrl(SSL *s, int cmd, long larg, void *parg) | |
1065 | { | |
1066 | long l; | |
1067 | ||
1068 | switch (cmd) { | |
1069 | case SSL_CTRL_GET_READ_AHEAD: | |
52e1d7b1 | 1070 | return (RECORD_LAYER_get_read_ahead(&s->rlayer)); |
0f113f3e | 1071 | case SSL_CTRL_SET_READ_AHEAD: |
52e1d7b1 MC |
1072 | l = RECORD_LAYER_get_read_ahead(&s->rlayer); |
1073 | RECORD_LAYER_set_read_ahead(&s->rlayer, larg); | |
0f113f3e MC |
1074 | return (l); |
1075 | ||
1076 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1077 | s->msg_callback_arg = parg; | |
1078 | return 1; | |
1079 | ||
1080 | case SSL_CTRL_OPTIONS: | |
1081 | return (s->options |= larg); | |
1082 | case SSL_CTRL_CLEAR_OPTIONS: | |
1083 | return (s->options &= ~larg); | |
1084 | case SSL_CTRL_MODE: | |
1085 | return (s->mode |= larg); | |
1086 | case SSL_CTRL_CLEAR_MODE: | |
1087 | return (s->mode &= ~larg); | |
1088 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
1089 | return (s->max_cert_list); | |
1090 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1091 | l = s->max_cert_list; | |
1092 | s->max_cert_list = larg; | |
1093 | return (l); | |
1094 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
1095 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1096 | return 0; | |
1097 | s->max_send_fragment = larg; | |
1098 | return 1; | |
1099 | case SSL_CTRL_GET_RI_SUPPORT: | |
1100 | if (s->s3) | |
1101 | return s->s3->send_connection_binding; | |
1102 | else | |
1103 | return 0; | |
1104 | case SSL_CTRL_CERT_FLAGS: | |
1105 | return (s->cert->cert_flags |= larg); | |
1106 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
1107 | return (s->cert->cert_flags &= ~larg); | |
1108 | ||
1109 | case SSL_CTRL_GET_RAW_CIPHERLIST: | |
1110 | if (parg) { | |
1111 | if (s->cert->ciphers_raw == NULL) | |
1112 | return 0; | |
1113 | *(unsigned char **)parg = s->cert->ciphers_raw; | |
1114 | return (int)s->cert->ciphers_rawlen; | |
1115 | } else | |
1116 | return ssl_put_cipher_by_char(s, NULL, NULL); | |
c5364614 | 1117 | case SSL_CTRL_GET_EXTMS_SUPPORT: |
156a8722 DSH |
1118 | if (!s->session || SSL_in_init(s) || s->in_handshake) |
1119 | return -1; | |
1120 | if (s->session->flags & SSL_SESS_FLAG_EXTMS) | |
c5364614 DSH |
1121 | return 1; |
1122 | else | |
1123 | return 0; | |
0f113f3e MC |
1124 | default: |
1125 | return (s->method->ssl_ctrl(s, cmd, larg, parg)); | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) | |
1130 | { | |
1131 | switch (cmd) { | |
1132 | case SSL_CTRL_SET_MSG_CALLBACK: | |
1133 | s->msg_callback = (void (*) | |
1134 | (int write_p, int version, int content_type, | |
1135 | const void *buf, size_t len, SSL *ssl, | |
1136 | void *arg))(fp); | |
1137 | return 1; | |
1138 | ||
1139 | default: | |
1140 | return (s->method->ssl_callback_ctrl(s, cmd, fp)); | |
1141 | } | |
1142 | } | |
d3442bc7 | 1143 | |
3c1d6bbc | 1144 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
0f113f3e MC |
1145 | { |
1146 | return ctx->sessions; | |
1147 | } | |
1148 | ||
1149 | long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) | |
1150 | { | |
1151 | long l; | |
1152 | /* For some cases with ctx == NULL perform syntax checks */ | |
1153 | if (ctx == NULL) { | |
1154 | switch (cmd) { | |
14536c8c | 1155 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
1156 | case SSL_CTRL_SET_CURVES_LIST: |
1157 | return tls1_set_curves_list(NULL, NULL, parg); | |
1158 | #endif | |
1159 | case SSL_CTRL_SET_SIGALGS_LIST: | |
1160 | case SSL_CTRL_SET_CLIENT_SIGALGS_LIST: | |
1161 | return tls1_set_sigalgs_list(NULL, parg, 0); | |
1162 | default: | |
1163 | return 0; | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | switch (cmd) { | |
1168 | case SSL_CTRL_GET_READ_AHEAD: | |
1169 | return (ctx->read_ahead); | |
1170 | case SSL_CTRL_SET_READ_AHEAD: | |
1171 | l = ctx->read_ahead; | |
1172 | ctx->read_ahead = larg; | |
1173 | return (l); | |
1174 | ||
1175 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1176 | ctx->msg_callback_arg = parg; | |
1177 | return 1; | |
1178 | ||
1179 | case SSL_CTRL_GET_MAX_CERT_LIST: | |
1180 | return (ctx->max_cert_list); | |
1181 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1182 | l = ctx->max_cert_list; | |
1183 | ctx->max_cert_list = larg; | |
1184 | return (l); | |
1185 | ||
1186 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
1187 | l = ctx->session_cache_size; | |
1188 | ctx->session_cache_size = larg; | |
1189 | return (l); | |
1190 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
1191 | return (ctx->session_cache_size); | |
1192 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
1193 | l = ctx->session_cache_mode; | |
1194 | ctx->session_cache_mode = larg; | |
1195 | return (l); | |
1196 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
1197 | return (ctx->session_cache_mode); | |
1198 | ||
1199 | case SSL_CTRL_SESS_NUMBER: | |
1200 | return (lh_SSL_SESSION_num_items(ctx->sessions)); | |
1201 | case SSL_CTRL_SESS_CONNECT: | |
1202 | return (ctx->stats.sess_connect); | |
1203 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
1204 | return (ctx->stats.sess_connect_good); | |
1205 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
1206 | return (ctx->stats.sess_connect_renegotiate); | |
1207 | case SSL_CTRL_SESS_ACCEPT: | |
1208 | return (ctx->stats.sess_accept); | |
1209 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
1210 | return (ctx->stats.sess_accept_good); | |
1211 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
1212 | return (ctx->stats.sess_accept_renegotiate); | |
1213 | case SSL_CTRL_SESS_HIT: | |
1214 | return (ctx->stats.sess_hit); | |
1215 | case SSL_CTRL_SESS_CB_HIT: | |
1216 | return (ctx->stats.sess_cb_hit); | |
1217 | case SSL_CTRL_SESS_MISSES: | |
1218 | return (ctx->stats.sess_miss); | |
1219 | case SSL_CTRL_SESS_TIMEOUTS: | |
1220 | return (ctx->stats.sess_timeout); | |
1221 | case SSL_CTRL_SESS_CACHE_FULL: | |
1222 | return (ctx->stats.sess_cache_full); | |
1223 | case SSL_CTRL_OPTIONS: | |
1224 | return (ctx->options |= larg); | |
1225 | case SSL_CTRL_CLEAR_OPTIONS: | |
1226 | return (ctx->options &= ~larg); | |
1227 | case SSL_CTRL_MODE: | |
1228 | return (ctx->mode |= larg); | |
1229 | case SSL_CTRL_CLEAR_MODE: | |
1230 | return (ctx->mode &= ~larg); | |
1231 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: | |
1232 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1233 | return 0; | |
1234 | ctx->max_send_fragment = larg; | |
1235 | return 1; | |
1236 | case SSL_CTRL_CERT_FLAGS: | |
1237 | return (ctx->cert->cert_flags |= larg); | |
1238 | case SSL_CTRL_CLEAR_CERT_FLAGS: | |
1239 | return (ctx->cert->cert_flags &= ~larg); | |
1240 | default: | |
1241 | return (ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg)); | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) | |
1246 | { | |
1247 | switch (cmd) { | |
1248 | case SSL_CTRL_SET_MSG_CALLBACK: | |
1249 | ctx->msg_callback = (void (*) | |
1250 | (int write_p, int version, int content_type, | |
1251 | const void *buf, size_t len, SSL *ssl, | |
1252 | void *arg))(fp); | |
1253 | return 1; | |
1254 | ||
1255 | default: | |
1256 | return (ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp)); | |
1257 | } | |
1258 | } | |
d3442bc7 | 1259 | |
ccd86b68 | 1260 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
0f113f3e MC |
1261 | { |
1262 | long l; | |
1263 | ||
1264 | l = a->id - b->id; | |
1265 | if (l == 0L) | |
1266 | return (0); | |
1267 | else | |
1268 | return ((l > 0) ? 1 : -1); | |
1269 | } | |
1270 | ||
1271 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, | |
1272 | const SSL_CIPHER *const *bp) | |
1273 | { | |
1274 | long l; | |
1275 | ||
1276 | l = (*ap)->id - (*bp)->id; | |
1277 | if (l == 0L) | |
1278 | return (0); | |
1279 | else | |
1280 | return ((l > 0) ? 1 : -1); | |
1281 | } | |
d02b48c6 | 1282 | |
4f43d0e7 | 1283 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1284 | * preference */ |
0821bcd4 | 1285 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
0f113f3e MC |
1286 | { |
1287 | if (s != NULL) { | |
1288 | if (s->cipher_list != NULL) { | |
1289 | return (s->cipher_list); | |
1290 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) { | |
1291 | return (s->ctx->cipher_list); | |
1292 | } | |
1293 | } | |
1294 | return (NULL); | |
1295 | } | |
1296 | ||
8b8e5bed | 1297 | STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s) |
0f113f3e MC |
1298 | { |
1299 | STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers; | |
1300 | int i; | |
1301 | ciphers = SSL_get_ciphers(s); | |
1302 | if (!ciphers) | |
1303 | return NULL; | |
1304 | ssl_set_client_disabled(s); | |
1305 | for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) { | |
1306 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i); | |
1307 | if (!ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED)) { | |
1308 | if (!sk) | |
1309 | sk = sk_SSL_CIPHER_new_null(); | |
1310 | if (!sk) | |
1311 | return NULL; | |
1312 | if (!sk_SSL_CIPHER_push(sk, c)) { | |
1313 | sk_SSL_CIPHER_free(sk); | |
1314 | return NULL; | |
1315 | } | |
1316 | } | |
1317 | } | |
1318 | return sk; | |
1319 | } | |
8b8e5bed | 1320 | |
4f43d0e7 | 1321 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1322 | * algorithm id */ |
f73e07cf | 1323 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
0f113f3e MC |
1324 | { |
1325 | if (s != NULL) { | |
1326 | if (s->cipher_list_by_id != NULL) { | |
1327 | return (s->cipher_list_by_id); | |
1328 | } else if ((s->ctx != NULL) && (s->ctx->cipher_list_by_id != NULL)) { | |
1329 | return (s->ctx->cipher_list_by_id); | |
1330 | } | |
1331 | } | |
1332 | return (NULL); | |
1333 | } | |
d02b48c6 | 1334 | |
4f43d0e7 | 1335 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0f113f3e MC |
1336 | const char *SSL_get_cipher_list(const SSL *s, int n) |
1337 | { | |
1338 | SSL_CIPHER *c; | |
1339 | STACK_OF(SSL_CIPHER) *sk; | |
1340 | ||
1341 | if (s == NULL) | |
1342 | return (NULL); | |
1343 | sk = SSL_get_ciphers(s); | |
1344 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) | |
1345 | return (NULL); | |
1346 | c = sk_SSL_CIPHER_value(sk, n); | |
1347 | if (c == NULL) | |
1348 | return (NULL); | |
1349 | return (c->name); | |
1350 | } | |
d02b48c6 | 1351 | |
25f923dd | 1352 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 1353 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
0f113f3e MC |
1354 | { |
1355 | STACK_OF(SSL_CIPHER) *sk; | |
1356 | ||
1357 | sk = ssl_create_cipher_list(ctx->method, &ctx->cipher_list, | |
1358 | &ctx->cipher_list_by_id, str, ctx->cert); | |
1359 | /* | |
1360 | * ssl_create_cipher_list may return an empty stack if it was unable to | |
1361 | * find a cipher matching the given rule string (for example if the rule | |
1362 | * string specifies a cipher which has been disabled). This is not an | |
1363 | * error as far as ssl_create_cipher_list is concerned, and hence | |
1364 | * ctx->cipher_list and ctx->cipher_list_by_id has been updated. | |
1365 | */ | |
1366 | if (sk == NULL) | |
1367 | return 0; | |
1368 | else if (sk_SSL_CIPHER_num(sk) == 0) { | |
1369 | SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1370 | return 0; | |
1371 | } | |
1372 | return 1; | |
1373 | } | |
d02b48c6 | 1374 | |
4f43d0e7 | 1375 | /** specify the ciphers to be used by the SSL */ |
0f113f3e MC |
1376 | int SSL_set_cipher_list(SSL *s, const char *str) |
1377 | { | |
1378 | STACK_OF(SSL_CIPHER) *sk; | |
1379 | ||
1380 | sk = ssl_create_cipher_list(s->ctx->method, &s->cipher_list, | |
1381 | &s->cipher_list_by_id, str, s->cert); | |
1382 | /* see comment in SSL_CTX_set_cipher_list */ | |
1383 | if (sk == NULL) | |
1384 | return 0; | |
1385 | else if (sk_SSL_CIPHER_num(sk) == 0) { | |
1386 | SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1387 | return 0; | |
1388 | } | |
1389 | return 1; | |
1390 | } | |
d02b48c6 RE |
1391 | |
1392 | /* works well for SSLv2, not so good for SSLv3 */ | |
0f113f3e MC |
1393 | char *SSL_get_shared_ciphers(const SSL *s, char *buf, int len) |
1394 | { | |
1395 | char *p; | |
1396 | STACK_OF(SSL_CIPHER) *sk; | |
1397 | SSL_CIPHER *c; | |
1398 | int i; | |
1399 | ||
1400 | if ((s->session == NULL) || (s->session->ciphers == NULL) || (len < 2)) | |
1401 | return (NULL); | |
1402 | ||
1403 | p = buf; | |
1404 | sk = s->session->ciphers; | |
1405 | ||
1406 | if (sk_SSL_CIPHER_num(sk) == 0) | |
1407 | return NULL; | |
1408 | ||
1409 | for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { | |
1410 | int n; | |
1411 | ||
1412 | c = sk_SSL_CIPHER_value(sk, i); | |
1413 | n = strlen(c->name); | |
1414 | if (n + 1 > len) { | |
1415 | if (p != buf) | |
1416 | --p; | |
1417 | *p = '\0'; | |
1418 | return buf; | |
1419 | } | |
1420 | strcpy(p, c->name); | |
1421 | p += n; | |
1422 | *(p++) = ':'; | |
1423 | len -= n + 1; | |
1424 | } | |
1425 | p[-1] = '\0'; | |
1426 | return (buf); | |
1427 | } | |
1428 | ||
1429 | int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, | |
1430 | unsigned char *p, | |
1431 | int (*put_cb) (const SSL_CIPHER *, | |
1432 | unsigned char *)) | |
1433 | { | |
1434 | int i, j = 0; | |
1435 | SSL_CIPHER *c; | |
1436 | unsigned char *q; | |
1437 | int empty_reneg_info_scsv = !s->renegotiate; | |
1438 | /* Set disabled masks for this session */ | |
1439 | ssl_set_client_disabled(s); | |
1440 | ||
1441 | if (sk == NULL) | |
1442 | return (0); | |
1443 | q = p; | |
1444 | if (put_cb == NULL) | |
1445 | put_cb = s->method->put_cipher_by_char; | |
1446 | ||
1447 | for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { | |
1448 | c = sk_SSL_CIPHER_value(sk, i); | |
1449 | /* Skip disabled ciphers */ | |
1450 | if (ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED)) | |
1451 | continue; | |
323fa645 | 1452 | #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL |
0f113f3e MC |
1453 | if (c->id == SSL3_CK_SCSV) { |
1454 | if (!empty_reneg_info_scsv) | |
1455 | continue; | |
1456 | else | |
1457 | empty_reneg_info_scsv = 0; | |
1458 | } | |
1459 | #endif | |
1460 | j = put_cb(c, p); | |
1461 | p += j; | |
1462 | } | |
1463 | /* | |
1464 | * If p == q, no ciphers; caller indicates an error. Otherwise, add | |
1465 | * applicable SCSVs. | |
1466 | */ | |
1467 | if (p != q) { | |
1468 | if (empty_reneg_info_scsv) { | |
1469 | static SSL_CIPHER scsv = { | |
1470 | 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0 | |
1471 | }; | |
1472 | j = put_cb(&scsv, p); | |
1473 | p += j; | |
13f6d57b | 1474 | #ifdef OPENSSL_RI_DEBUG |
0f113f3e MC |
1475 | fprintf(stderr, |
1476 | "TLS_EMPTY_RENEGOTIATION_INFO_SCSV sent by client\n"); | |
1477 | #endif | |
1478 | } | |
1479 | if (s->mode & SSL_MODE_SEND_FALLBACK_SCSV) { | |
1480 | static SSL_CIPHER scsv = { | |
1481 | 0, NULL, SSL3_CK_FALLBACK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0 | |
1482 | }; | |
1483 | j = put_cb(&scsv, p); | |
1484 | p += j; | |
1485 | } | |
1486 | } | |
1487 | ||
1488 | return (p - q); | |
1489 | } | |
1490 | ||
1491 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, | |
1492 | int num, | |
1493 | STACK_OF(SSL_CIPHER) **skp) | |
1494 | { | |
1495 | const SSL_CIPHER *c; | |
1496 | STACK_OF(SSL_CIPHER) *sk; | |
1497 | int i, n; | |
1498 | ||
1499 | if (s->s3) | |
1500 | s->s3->send_connection_binding = 0; | |
1501 | ||
1502 | n = ssl_put_cipher_by_char(s, NULL, NULL); | |
1503 | if (n == 0 || (num % n) != 0) { | |
1504 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST, | |
1505 | SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); | |
1506 | return (NULL); | |
1507 | } | |
1508 | if ((skp == NULL) || (*skp == NULL)) | |
1509 | sk = sk_SSL_CIPHER_new_null(); /* change perhaps later */ | |
1510 | else { | |
1511 | sk = *skp; | |
1512 | sk_SSL_CIPHER_zero(sk); | |
1513 | } | |
1514 | ||
1515 | if (s->cert->ciphers_raw) | |
1516 | OPENSSL_free(s->cert->ciphers_raw); | |
1517 | s->cert->ciphers_raw = BUF_memdup(p, num); | |
1518 | if (s->cert->ciphers_raw == NULL) { | |
1519 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST, ERR_R_MALLOC_FAILURE); | |
1520 | goto err; | |
1521 | } | |
1522 | s->cert->ciphers_rawlen = (size_t)num; | |
1523 | ||
1524 | for (i = 0; i < num; i += n) { | |
1525 | /* Check for TLS_EMPTY_RENEGOTIATION_INFO_SCSV */ | |
1526 | if (s->s3 && (n != 3 || !p[0]) && | |
1527 | (p[n - 2] == ((SSL3_CK_SCSV >> 8) & 0xff)) && | |
1528 | (p[n - 1] == (SSL3_CK_SCSV & 0xff))) { | |
1529 | /* SCSV fatal if renegotiating */ | |
1530 | if (s->renegotiate) { | |
1531 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST, | |
1532 | SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING); | |
1533 | ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE); | |
1534 | goto err; | |
1535 | } | |
1536 | s->s3->send_connection_binding = 1; | |
1537 | p += n; | |
13f6d57b | 1538 | #ifdef OPENSSL_RI_DEBUG |
0f113f3e MC |
1539 | fprintf(stderr, "SCSV received by server\n"); |
1540 | #endif | |
1541 | continue; | |
1542 | } | |
1543 | ||
1544 | /* Check for TLS_FALLBACK_SCSV */ | |
1545 | if ((n != 3 || !p[0]) && | |
1546 | (p[n - 2] == ((SSL3_CK_FALLBACK_SCSV >> 8) & 0xff)) && | |
1547 | (p[n - 1] == (SSL3_CK_FALLBACK_SCSV & 0xff))) { | |
1548 | /* | |
1549 | * The SCSV indicates that the client previously tried a higher | |
1550 | * version. Fail if the current version is an unexpected | |
1551 | * downgrade. | |
1552 | */ | |
1553 | if (!SSL_ctrl(s, SSL_CTRL_CHECK_PROTO_VERSION, 0, NULL)) { | |
1554 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST, | |
1555 | SSL_R_INAPPROPRIATE_FALLBACK); | |
1556 | if (s->s3) | |
1557 | ssl3_send_alert(s, SSL3_AL_FATAL, | |
1558 | SSL_AD_INAPPROPRIATE_FALLBACK); | |
1559 | goto err; | |
1560 | } | |
1561 | p += n; | |
1562 | continue; | |
1563 | } | |
1564 | ||
1565 | c = ssl_get_cipher_by_char(s, p); | |
1566 | p += n; | |
1567 | if (c != NULL) { | |
1568 | if (!sk_SSL_CIPHER_push(sk, c)) { | |
1569 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST, ERR_R_MALLOC_FAILURE); | |
1570 | goto err; | |
1571 | } | |
1572 | } | |
1573 | } | |
d02b48c6 | 1574 | |
0f113f3e MC |
1575 | if (skp != NULL) |
1576 | *skp = sk; | |
1577 | return (sk); | |
1578 | err: | |
1579 | if ((skp == NULL) || (*skp == NULL)) | |
1580 | sk_SSL_CIPHER_free(sk); | |
1581 | return (NULL); | |
1582 | } | |
f1fd4544 | 1583 | |
34449617 | 1584 | #ifndef OPENSSL_NO_TLSEXT |
52b8dad8 | 1585 | /** return a servername extension value if provided in Client Hello, or NULL. |
f1fd4544 | 1586 | * So far, only host_name types are defined (RFC 3546). |
ed3883d2 BM |
1587 | */ |
1588 | ||
f1fd4544 | 1589 | const char *SSL_get_servername(const SSL *s, const int type) |
0f113f3e MC |
1590 | { |
1591 | if (type != TLSEXT_NAMETYPE_host_name) | |
1592 | return NULL; | |
a13c20f6 | 1593 | |
0f113f3e MC |
1594 | return s->session && !s->tlsext_hostname ? |
1595 | s->session->tlsext_hostname : s->tlsext_hostname; | |
1596 | } | |
ed3883d2 | 1597 | |
f1fd4544 | 1598 | int SSL_get_servername_type(const SSL *s) |
0f113f3e MC |
1599 | { |
1600 | if (s->session | |
1601 | && (!s->tlsext_hostname ? s->session-> | |
1602 | tlsext_hostname : s->tlsext_hostname)) | |
1603 | return TLSEXT_NAMETYPE_host_name; | |
1604 | return -1; | |
1605 | } | |
ee2ffc27 | 1606 | |
0f113f3e MC |
1607 | /* |
1608 | * SSL_select_next_proto implements the standard protocol selection. It is | |
ee2ffc27 | 1609 | * expected that this function is called from the callback set by |
0f113f3e MC |
1610 | * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a |
1611 | * vector of 8-bit, length prefixed byte strings. The length byte itself is | |
1612 | * not included in the length. A byte string of length 0 is invalid. No byte | |
1613 | * string may be truncated. The current, but experimental algorithm for | |
1614 | * selecting the protocol is: 1) If the server doesn't support NPN then this | |
1615 | * is indicated to the callback. In this case, the client application has to | |
1616 | * abort the connection or have a default application level protocol. 2) If | |
1617 | * the server supports NPN, but advertises an empty list then the client | |
1618 | * selects the first protcol in its list, but indicates via the API that this | |
1619 | * fallback case was enacted. 3) Otherwise, the client finds the first | |
1620 | * protocol in the server's list that it supports and selects this protocol. | |
1621 | * This is because it's assumed that the server has better information about | |
1622 | * which protocol a client should use. 4) If the client doesn't support any | |
1623 | * of the server's advertised protocols, then this is treated the same as | |
1624 | * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was | |
1625 | * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. | |
ee2ffc27 | 1626 | */ |
0f113f3e MC |
1627 | int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, |
1628 | const unsigned char *server, | |
1629 | unsigned int server_len, | |
1630 | const unsigned char *client, | |
1631 | unsigned int client_len) | |
1632 | { | |
1633 | unsigned int i, j; | |
1634 | const unsigned char *result; | |
1635 | int status = OPENSSL_NPN_UNSUPPORTED; | |
1636 | ||
1637 | /* | |
1638 | * For each protocol in server preference order, see if we support it. | |
1639 | */ | |
1640 | for (i = 0; i < server_len;) { | |
1641 | for (j = 0; j < client_len;) { | |
1642 | if (server[i] == client[j] && | |
1643 | memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { | |
1644 | /* We found a match */ | |
1645 | result = &server[i]; | |
1646 | status = OPENSSL_NPN_NEGOTIATED; | |
1647 | goto found; | |
1648 | } | |
1649 | j += client[j]; | |
1650 | j++; | |
1651 | } | |
1652 | i += server[i]; | |
1653 | i++; | |
1654 | } | |
1655 | ||
1656 | /* There's no overlap between our protocols and the server's list. */ | |
1657 | result = client; | |
1658 | status = OPENSSL_NPN_NO_OVERLAP; | |
1659 | ||
1660 | found: | |
1661 | *out = (unsigned char *)result + 1; | |
1662 | *outlen = result[0]; | |
1663 | return status; | |
1664 | } | |
ee2ffc27 | 1665 | |
2911575c | 1666 | # ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e MC |
1667 | /* |
1668 | * SSL_get0_next_proto_negotiated sets *data and *len to point to the | |
1669 | * client's requested protocol for this connection and returns 0. If the | |
1670 | * client didn't request any protocol, then *data is set to NULL. Note that | |
1671 | * the client can request any protocol it chooses. The value returned from | |
1672 | * this function need not be a member of the list of supported protocols | |
ee2ffc27 BL |
1673 | * provided by the callback. |
1674 | */ | |
0f113f3e MC |
1675 | void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, |
1676 | unsigned *len) | |
1677 | { | |
1678 | *data = s->next_proto_negotiated; | |
1679 | if (!*data) { | |
1680 | *len = 0; | |
1681 | } else { | |
1682 | *len = s->next_proto_negotiated_len; | |
1683 | } | |
1684 | } | |
1685 | ||
1686 | /* | |
1687 | * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when | |
1688 | * a TLS server needs a list of supported protocols for Next Protocol | |
1689 | * Negotiation. The returned list must be in wire format. The list is | |
1690 | * returned by setting |out| to point to it and |outlen| to its length. This | |
1691 | * memory will not be modified, but one should assume that the SSL* keeps a | |
1692 | * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it | |
1693 | * wishes to advertise. Otherwise, no such extension will be included in the | |
1694 | * ServerHello. | |
1695 | */ | |
1696 | void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, | |
1697 | int (*cb) (SSL *ssl, | |
1698 | const unsigned char | |
1699 | **out, | |
1700 | unsigned int *outlen, | |
1701 | void *arg), void *arg) | |
1702 | { | |
1703 | ctx->next_protos_advertised_cb = cb; | |
1704 | ctx->next_protos_advertised_cb_arg = arg; | |
1705 | } | |
1706 | ||
1707 | /* | |
1708 | * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a | |
ee2ffc27 BL |
1709 | * client needs to select a protocol from the server's provided list. |out| |
1710 | * must be set to point to the selected protocol (which may be within |in|). | |
0f113f3e MC |
1711 | * The length of the protocol name must be written into |outlen|. The |
1712 | * server's advertised protocols are provided in |in| and |inlen|. The | |
1713 | * callback can assume that |in| is syntactically valid. The client must | |
1714 | * select a protocol. It is fatal to the connection if this callback returns | |
1715 | * a value other than SSL_TLSEXT_ERR_OK. | |
ee2ffc27 | 1716 | */ |
0f113f3e MC |
1717 | void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, |
1718 | int (*cb) (SSL *s, unsigned char **out, | |
1719 | unsigned char *outlen, | |
1720 | const unsigned char *in, | |
1721 | unsigned int inlen, | |
1722 | void *arg), void *arg) | |
1723 | { | |
1724 | ctx->next_proto_select_cb = cb; | |
1725 | ctx->next_proto_select_cb_arg = arg; | |
1726 | } | |
ee2ffc27 | 1727 | # endif |
a398f821 | 1728 | |
0f113f3e MC |
1729 | /* |
1730 | * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|. | |
6f017a8f | 1731 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
1732 | * length-prefixed strings). Returns 0 on success. |
1733 | */ | |
1734 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos, | |
1735 | unsigned protos_len) | |
1736 | { | |
1737 | if (ctx->alpn_client_proto_list) | |
1738 | OPENSSL_free(ctx->alpn_client_proto_list); | |
1739 | ||
1740 | ctx->alpn_client_proto_list = OPENSSL_malloc(protos_len); | |
1741 | if (!ctx->alpn_client_proto_list) | |
1742 | return 1; | |
1743 | memcpy(ctx->alpn_client_proto_list, protos, protos_len); | |
1744 | ctx->alpn_client_proto_list_len = protos_len; | |
1745 | ||
1746 | return 0; | |
1747 | } | |
1748 | ||
1749 | /* | |
1750 | * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|. | |
6f017a8f | 1751 | * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit |
0f113f3e MC |
1752 | * length-prefixed strings). Returns 0 on success. |
1753 | */ | |
1754 | int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos, | |
1755 | unsigned protos_len) | |
1756 | { | |
1757 | if (ssl->alpn_client_proto_list) | |
1758 | OPENSSL_free(ssl->alpn_client_proto_list); | |
1759 | ||
1760 | ssl->alpn_client_proto_list = OPENSSL_malloc(protos_len); | |
1761 | if (!ssl->alpn_client_proto_list) | |
1762 | return 1; | |
1763 | memcpy(ssl->alpn_client_proto_list, protos, protos_len); | |
1764 | ssl->alpn_client_proto_list_len = protos_len; | |
1765 | ||
1766 | return 0; | |
1767 | } | |
1768 | ||
1769 | /* | |
1770 | * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is | |
1771 | * called during ClientHello processing in order to select an ALPN protocol | |
1772 | * from the client's list of offered protocols. | |
1773 | */ | |
1774 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, | |
1775 | int (*cb) (SSL *ssl, | |
1776 | const unsigned char **out, | |
1777 | unsigned char *outlen, | |
1778 | const unsigned char *in, | |
1779 | unsigned int inlen, | |
1780 | void *arg), void *arg) | |
1781 | { | |
1782 | ctx->alpn_select_cb = cb; | |
1783 | ctx->alpn_select_cb_arg = arg; | |
1784 | } | |
1785 | ||
1786 | /* | |
1787 | * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from | |
1788 | * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name | |
1789 | * (not including the leading length-prefix byte). If the server didn't | |
1790 | * respond with a negotiated protocol then |*len| will be zero. | |
1791 | */ | |
6f017a8f | 1792 | void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data, |
0f113f3e MC |
1793 | unsigned *len) |
1794 | { | |
1795 | *data = NULL; | |
1796 | if (ssl->s3) | |
1797 | *data = ssl->s3->alpn_selected; | |
1798 | if (*data == NULL) | |
1799 | *len = 0; | |
1800 | else | |
1801 | *len = ssl->s3->alpn_selected_len; | |
1802 | } | |
1803 | ||
1804 | #endif /* !OPENSSL_NO_TLSEXT */ | |
f1fd4544 | 1805 | |
74b4b494 | 1806 | int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e MC |
1807 | const char *label, size_t llen, |
1808 | const unsigned char *p, size_t plen, | |
1809 | int use_context) | |
1810 | { | |
1811 | if (s->version < TLS1_VERSION) | |
1812 | return -1; | |
e0af0405 | 1813 | |
0f113f3e MC |
1814 | return s->method->ssl3_enc->export_keying_material(s, out, olen, label, |
1815 | llen, p, plen, | |
1816 | use_context); | |
1817 | } | |
e0af0405 | 1818 | |
3c1d6bbc | 1819 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
0f113f3e MC |
1820 | { |
1821 | unsigned long l; | |
1822 | ||
1823 | l = (unsigned long) | |
1824 | ((unsigned int)a->session_id[0]) | | |
1825 | ((unsigned int)a->session_id[1] << 8L) | | |
1826 | ((unsigned long)a->session_id[2] << 16L) | | |
1827 | ((unsigned long)a->session_id[3] << 24L); | |
1828 | return (l); | |
1829 | } | |
1830 | ||
1831 | /* | |
1832 | * NB: If this function (or indeed the hash function which uses a sort of | |
dc644fe2 | 1833 | * coarser function than this one) is changed, ensure |
0f113f3e MC |
1834 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on |
1835 | * being able to construct an SSL_SESSION that will collide with any existing | |
1836 | * session with a matching session ID. | |
1837 | */ | |
1838 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) | |
1839 | { | |
1840 | if (a->ssl_version != b->ssl_version) | |
1841 | return (1); | |
1842 | if (a->session_id_length != b->session_id_length) | |
1843 | return (1); | |
1844 | return (memcmp(a->session_id, b->session_id, a->session_id_length)); | |
1845 | } | |
1846 | ||
1847 | /* | |
1848 | * These wrapper functions should remain rather than redeclaring | |
d0fa136c | 1849 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each |
0f113f3e MC |
1850 | * variable. The reason is that the functions aren't static, they're exposed |
1851 | * via ssl.h. | |
1852 | */ | |
3c1d6bbc BL |
1853 | static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION) |
1854 | static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION) | |
97b17195 | 1855 | |
4ebb342f | 1856 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
0f113f3e MC |
1857 | { |
1858 | SSL_CTX *ret = NULL; | |
1859 | ||
1860 | if (meth == NULL) { | |
1861 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_NULL_SSL_METHOD_PASSED); | |
1862 | return (NULL); | |
1863 | } | |
1864 | ||
1865 | if (FIPS_mode() && (meth->version < TLS1_VERSION)) { | |
1866 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE); | |
1867 | return NULL; | |
1868 | } | |
1869 | ||
1870 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) { | |
1871 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
1872 | goto err; | |
1873 | } | |
1874 | ret = (SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX)); | |
1875 | if (ret == NULL) | |
1876 | goto err; | |
1877 | ||
1878 | memset(ret, 0, sizeof(SSL_CTX)); | |
1879 | ||
1880 | ret->method = meth; | |
1881 | ||
1882 | ret->cert_store = NULL; | |
1883 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; | |
1884 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; | |
1885 | ret->session_cache_head = NULL; | |
1886 | ret->session_cache_tail = NULL; | |
1887 | ||
1888 | /* We take the system default */ | |
1889 | ret->session_timeout = meth->get_timeout(); | |
1890 | ||
1891 | ret->new_session_cb = 0; | |
1892 | ret->remove_session_cb = 0; | |
1893 | ret->get_session_cb = 0; | |
1894 | ret->generate_session_id = 0; | |
1895 | ||
1896 | memset((char *)&ret->stats, 0, sizeof(ret->stats)); | |
1897 | ||
1898 | ret->references = 1; | |
1899 | ret->quiet_shutdown = 0; | |
0f113f3e | 1900 | ret->info_callback = NULL; |
0f113f3e MC |
1901 | ret->app_verify_callback = 0; |
1902 | ret->app_verify_arg = NULL; | |
0f113f3e MC |
1903 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
1904 | ret->read_ahead = 0; | |
1905 | ret->msg_callback = 0; | |
1906 | ret->msg_callback_arg = NULL; | |
1907 | ret->verify_mode = SSL_VERIFY_NONE; | |
0f113f3e MC |
1908 | ret->sid_ctx_length = 0; |
1909 | ret->default_verify_callback = NULL; | |
1910 | if ((ret->cert = ssl_cert_new()) == NULL) | |
1911 | goto err; | |
1912 | ||
1913 | ret->default_passwd_callback = 0; | |
1914 | ret->default_passwd_callback_userdata = NULL; | |
1915 | ret->client_cert_cb = 0; | |
1916 | ret->app_gen_cookie_cb = 0; | |
1917 | ret->app_verify_cookie_cb = 0; | |
1918 | ||
1919 | ret->sessions = lh_SSL_SESSION_new(); | |
1920 | if (ret->sessions == NULL) | |
1921 | goto err; | |
1922 | ret->cert_store = X509_STORE_new(); | |
1923 | if (ret->cert_store == NULL) | |
1924 | goto err; | |
1925 | ||
69f68237 | 1926 | if(!ssl_create_cipher_list(ret->method, |
0f113f3e | 1927 | &ret->cipher_list, &ret->cipher_list_by_id, |
69f68237 MC |
1928 | SSL_DEFAULT_CIPHER_LIST, ret->cert) |
1929 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) { | |
0f113f3e MC |
1930 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
1931 | goto err2; | |
1932 | } | |
1933 | ||
1934 | ret->param = X509_VERIFY_PARAM_new(); | |
1935 | if (!ret->param) | |
1936 | goto err; | |
1937 | ||
1938 | if ((ret->md5 = EVP_get_digestbyname("ssl3-md5")) == NULL) { | |
1939 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
1940 | goto err2; | |
1941 | } | |
1942 | if ((ret->sha1 = EVP_get_digestbyname("ssl3-sha1")) == NULL) { | |
1943 | SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
1944 | goto err2; | |
1945 | } | |
1946 | ||
1947 | if ((ret->client_CA = sk_X509_NAME_new_null()) == NULL) | |
1948 | goto err; | |
1949 | ||
1950 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data); | |
1951 | ||
1952 | ret->extra_certs = NULL; | |
1953 | /* No compression for DTLS */ | |
1954 | if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)) | |
1955 | ret->comp_methods = SSL_COMP_get_compression_methods(); | |
1956 | ||
1957 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; | |
566dda07 | 1958 | |
ed3883d2 | 1959 | #ifndef OPENSSL_NO_TLSEXT |
0f113f3e MC |
1960 | ret->tlsext_servername_callback = 0; |
1961 | ret->tlsext_servername_arg = NULL; | |
1962 | /* Setup RFC4507 ticket keys */ | |
266483d2 | 1963 | if ((RAND_bytes(ret->tlsext_tick_key_name, 16) <= 0) |
0f113f3e MC |
1964 | || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0) |
1965 | || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0)) | |
1966 | ret->options |= SSL_OP_NO_TICKET; | |
6434abbf | 1967 | |
0f113f3e MC |
1968 | ret->tlsext_status_cb = 0; |
1969 | ret->tlsext_status_arg = NULL; | |
67c8e7f4 | 1970 | |
bf48836c | 1971 | # ifndef OPENSSL_NO_NEXTPROTONEG |
0f113f3e MC |
1972 | ret->next_protos_advertised_cb = 0; |
1973 | ret->next_proto_select_cb = 0; | |
ee2ffc27 | 1974 | # endif |
ddac1974 NL |
1975 | #endif |
1976 | #ifndef OPENSSL_NO_PSK | |
0f113f3e MC |
1977 | ret->psk_identity_hint = NULL; |
1978 | ret->psk_client_callback = NULL; | |
1979 | ret->psk_server_callback = NULL; | |
8671b898 | 1980 | #endif |
edc032b5 | 1981 | #ifndef OPENSSL_NO_SRP |
69f68237 MC |
1982 | if(!SSL_CTX_SRP_CTX_init(ret)) |
1983 | goto err; | |
edc032b5 | 1984 | #endif |
4db9677b | 1985 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
1986 | ret->client_cert_engine = NULL; |
1987 | # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO | |
1988 | # define eng_strx(x) #x | |
1989 | # define eng_str(x) eng_strx(x) | |
1990 | /* Use specific client engine automatically... ignore errors */ | |
1991 | { | |
1992 | ENGINE *eng; | |
1993 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
1994 | if (!eng) { | |
1995 | ERR_clear_error(); | |
1996 | ENGINE_load_builtin_engines(); | |
1997 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
1998 | } | |
1999 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) | |
2000 | ERR_clear_error(); | |
2001 | } | |
2002 | # endif | |
2003 | #endif | |
2004 | /* | |
2005 | * Default is to connect to non-RI servers. When RI is more widely | |
2006 | * deployed might change this. | |
2007 | */ | |
2008 | ret->options |= SSL_OP_LEGACY_SERVER_CONNECT; | |
2009 | ||
2010 | return (ret); | |
2011 | err: | |
2012 | SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
2013 | err2: | |
2014 | if (ret != NULL) | |
2015 | SSL_CTX_free(ret); | |
2016 | return (NULL); | |
2017 | } | |
d02b48c6 | 2018 | |
4f43d0e7 | 2019 | void SSL_CTX_free(SSL_CTX *a) |
0f113f3e MC |
2020 | { |
2021 | int i; | |
d02b48c6 | 2022 | |
0f113f3e MC |
2023 | if (a == NULL) |
2024 | return; | |
d02b48c6 | 2025 | |
0f113f3e | 2026 | i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_SSL_CTX); |
58964a49 | 2027 | #ifdef REF_PRINT |
0f113f3e | 2028 | REF_PRINT("SSL_CTX", a); |
58964a49 | 2029 | #endif |
0f113f3e MC |
2030 | if (i > 0) |
2031 | return; | |
d02b48c6 | 2032 | #ifdef REF_CHECK |
0f113f3e MC |
2033 | if (i < 0) { |
2034 | fprintf(stderr, "SSL_CTX_free, bad reference count\n"); | |
2035 | abort(); /* ok */ | |
2036 | } | |
2037 | #endif | |
2038 | ||
2039 | if (a->param) | |
2040 | X509_VERIFY_PARAM_free(a->param); | |
2041 | ||
2042 | /* | |
2043 | * Free internal session cache. However: the remove_cb() may reference | |
2044 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
2045 | * after the sessions were flushed. | |
2046 | * As the ex_data handling routines might also touch the session cache, | |
2047 | * the most secure solution seems to be: empty (flush) the cache, then | |
2048 | * free ex_data, then finally free the cache. | |
2049 | * (See ticket [openssl.org #212].) | |
2050 | */ | |
2051 | if (a->sessions != NULL) | |
2052 | SSL_CTX_flush_sessions(a, 0); | |
2053 | ||
2054 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
2055 | ||
2056 | if (a->sessions != NULL) | |
2057 | lh_SSL_SESSION_free(a->sessions); | |
2058 | ||
2059 | if (a->cert_store != NULL) | |
2060 | X509_STORE_free(a->cert_store); | |
2061 | if (a->cipher_list != NULL) | |
2062 | sk_SSL_CIPHER_free(a->cipher_list); | |
2063 | if (a->cipher_list_by_id != NULL) | |
2064 | sk_SSL_CIPHER_free(a->cipher_list_by_id); | |
2065 | if (a->cert != NULL) | |
2066 | ssl_cert_free(a->cert); | |
2067 | if (a->client_CA != NULL) | |
2068 | sk_X509_NAME_pop_free(a->client_CA, X509_NAME_free); | |
2069 | if (a->extra_certs != NULL) | |
2070 | sk_X509_pop_free(a->extra_certs, X509_free); | |
0f113f3e | 2071 | a->comp_methods = NULL; |
ddac1974 | 2072 | |
e783bae2 | 2073 | #ifndef OPENSSL_NO_SRTP |
0f113f3e MC |
2074 | if (a->srtp_profiles) |
2075 | sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles); | |
e783bae2 | 2076 | #endif |
333f926d | 2077 | |
ddac1974 | 2078 | #ifndef OPENSSL_NO_PSK |
0f113f3e MC |
2079 | if (a->psk_identity_hint) |
2080 | OPENSSL_free(a->psk_identity_hint); | |
bdfe932d | 2081 | #endif |
edc032b5 | 2082 | #ifndef OPENSSL_NO_SRP |
0f113f3e | 2083 | SSL_CTX_SRP_CTX_free(a); |
edc032b5 | 2084 | #endif |
bdfe932d | 2085 | #ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
2086 | if (a->client_cert_engine) |
2087 | ENGINE_finish(a->client_cert_engine); | |
ddac1974 | 2088 | #endif |
8671b898 | 2089 | |
d0595f17 DSH |
2090 | #ifndef OPENSSL_NO_TLSEXT |
2091 | # ifndef OPENSSL_NO_EC | |
0f113f3e MC |
2092 | if (a->tlsext_ecpointformatlist) |
2093 | OPENSSL_free(a->tlsext_ecpointformatlist); | |
2094 | if (a->tlsext_ellipticcurvelist) | |
2095 | OPENSSL_free(a->tlsext_ellipticcurvelist); | |
2096 | # endif /* OPENSSL_NO_EC */ | |
2097 | if (a->alpn_client_proto_list != NULL) | |
2098 | OPENSSL_free(a->alpn_client_proto_list); | |
8671b898 BL |
2099 | #endif |
2100 | ||
0f113f3e MC |
2101 | OPENSSL_free(a); |
2102 | } | |
d02b48c6 | 2103 | |
3ae76679 | 2104 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
0f113f3e MC |
2105 | { |
2106 | ctx->default_passwd_callback = cb; | |
2107 | } | |
2108 | ||
2109 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u) | |
2110 | { | |
2111 | ctx->default_passwd_callback_userdata = u; | |
2112 | } | |
2113 | ||
2114 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, | |
2115 | int (*cb) (X509_STORE_CTX *, void *), | |
2116 | void *arg) | |
2117 | { | |
2118 | ctx->app_verify_callback = cb; | |
2119 | ctx->app_verify_arg = arg; | |
2120 | } | |
2121 | ||
2122 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, | |
2123 | int (*cb) (int, X509_STORE_CTX *)) | |
2124 | { | |
2125 | ctx->verify_mode = mode; | |
2126 | ctx->default_verify_callback = cb; | |
2127 | } | |
2128 | ||
2129 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) | |
2130 | { | |
2131 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); | |
2132 | } | |
2133 | ||
2134 | void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), | |
2135 | void *arg) | |
2136 | { | |
2137 | ssl_cert_set_cert_cb(c->cert, cb, arg); | |
2138 | } | |
2139 | ||
2140 | void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg) | |
2141 | { | |
2142 | ssl_cert_set_cert_cb(s->cert, cb, arg); | |
2143 | } | |
18d71588 | 2144 | |
babb3798 | 2145 | void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher) |
0f113f3e MC |
2146 | { |
2147 | CERT_PKEY *cpk; | |
2148 | int rsa_enc, rsa_tmp, rsa_sign, dh_tmp, dh_rsa, dh_dsa, dsa_sign; | |
2149 | int rsa_enc_export, dh_rsa_export, dh_dsa_export; | |
2150 | int rsa_tmp_export, dh_tmp_export, kl; | |
2151 | unsigned long mask_k, mask_a, emask_k, emask_a; | |
10bf4fc2 | 2152 | #ifndef OPENSSL_NO_EC |
0f113f3e | 2153 | int have_ecc_cert, ecdsa_ok, ecc_pkey_size; |
0f113f3e | 2154 | int have_ecdh_tmp, ecdh_ok; |
0f113f3e MC |
2155 | X509 *x = NULL; |
2156 | EVP_PKEY *ecc_pkey = NULL; | |
2157 | int signature_nid = 0, pk_nid = 0, md_nid = 0; | |
14536c8c | 2158 | #endif |
0f113f3e MC |
2159 | if (c == NULL) |
2160 | return; | |
d02b48c6 | 2161 | |
0f113f3e | 2162 | kl = SSL_C_EXPORT_PKEYLENGTH(cipher); |
60e31c3a | 2163 | |
bc36ee62 | 2164 | #ifndef OPENSSL_NO_RSA |
0f113f3e MC |
2165 | rsa_tmp = (c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); |
2166 | rsa_tmp_export = (c->rsa_tmp_cb != NULL || | |
2167 | (rsa_tmp && RSA_size(c->rsa_tmp) * 8 <= kl)); | |
d02b48c6 | 2168 | #else |
0f113f3e | 2169 | rsa_tmp = rsa_tmp_export = 0; |
d02b48c6 | 2170 | #endif |
bc36ee62 | 2171 | #ifndef OPENSSL_NO_DH |
0f113f3e MC |
2172 | dh_tmp = (c->dh_tmp != NULL || c->dh_tmp_cb != NULL || c->dh_tmp_auto); |
2173 | dh_tmp_export = !c->dh_tmp_auto && (c->dh_tmp_cb != NULL || | |
2174 | (dh_tmp | |
2175 | && DH_size(c->dh_tmp) * 8 <= kl)); | |
d02b48c6 | 2176 | #else |
0f113f3e | 2177 | dh_tmp = dh_tmp_export = 0; |
d02b48c6 RE |
2178 | #endif |
2179 | ||
10bf4fc2 | 2180 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
2181 | have_ecdh_tmp = (c->ecdh_tmp || c->ecdh_tmp_cb || c->ecdh_tmp_auto); |
2182 | #endif | |
2183 | cpk = &(c->pkeys[SSL_PKEY_RSA_ENC]); | |
2184 | rsa_enc = cpk->valid_flags & CERT_PKEY_VALID; | |
2185 | rsa_enc_export = (rsa_enc && EVP_PKEY_size(cpk->privatekey) * 8 <= kl); | |
2186 | cpk = &(c->pkeys[SSL_PKEY_RSA_SIGN]); | |
2187 | rsa_sign = cpk->valid_flags & CERT_PKEY_SIGN; | |
2188 | cpk = &(c->pkeys[SSL_PKEY_DSA_SIGN]); | |
2189 | dsa_sign = cpk->valid_flags & CERT_PKEY_SIGN; | |
2190 | cpk = &(c->pkeys[SSL_PKEY_DH_RSA]); | |
2191 | dh_rsa = cpk->valid_flags & CERT_PKEY_VALID; | |
2192 | dh_rsa_export = (dh_rsa && EVP_PKEY_size(cpk->privatekey) * 8 <= kl); | |
2193 | cpk = &(c->pkeys[SSL_PKEY_DH_DSA]); | |
d02b48c6 | 2194 | /* FIX THIS EAY EAY EAY */ |
0f113f3e MC |
2195 | dh_dsa = cpk->valid_flags & CERT_PKEY_VALID; |
2196 | dh_dsa_export = (dh_dsa && EVP_PKEY_size(cpk->privatekey) * 8 <= kl); | |
2197 | cpk = &(c->pkeys[SSL_PKEY_ECC]); | |
14536c8c | 2198 | #ifndef OPENSSL_NO_EC |
0f113f3e | 2199 | have_ecc_cert = cpk->valid_flags & CERT_PKEY_VALID; |
14536c8c | 2200 | #endif |
0f113f3e MC |
2201 | mask_k = 0; |
2202 | mask_a = 0; | |
2203 | emask_k = 0; | |
2204 | emask_a = 0; | |
0e1dba93 | 2205 | |
d02b48c6 | 2206 | #ifdef CIPHER_DEBUG |
0f113f3e MC |
2207 | fprintf(stderr, |
2208 | "rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", | |
2209 | rsa_tmp, rsa_tmp_export, dh_tmp, have_ecdh_tmp, rsa_enc, | |
2210 | rsa_enc_export, rsa_sign, dsa_sign, dh_rsa, dh_dsa); | |
2211 | #endif | |
2212 | ||
2213 | cpk = &(c->pkeys[SSL_PKEY_GOST01]); | |
2214 | if (cpk->x509 != NULL && cpk->privatekey != NULL) { | |
2215 | mask_k |= SSL_kGOST; | |
2216 | mask_a |= SSL_aGOST01; | |
2217 | } | |
2218 | cpk = &(c->pkeys[SSL_PKEY_GOST94]); | |
2219 | if (cpk->x509 != NULL && cpk->privatekey != NULL) { | |
2220 | mask_k |= SSL_kGOST; | |
2221 | mask_a |= SSL_aGOST94; | |
2222 | } | |
2223 | ||
2224 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
2225 | mask_k |= SSL_kRSA; | |
2226 | if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) | |
2227 | emask_k |= SSL_kRSA; | |
d02b48c6 | 2228 | |
0f113f3e MC |
2229 | if (dh_tmp_export) |
2230 | emask_k |= SSL_kDHE; | |
d02b48c6 | 2231 | |
0f113f3e MC |
2232 | if (dh_tmp) |
2233 | mask_k |= SSL_kDHE; | |
d02b48c6 | 2234 | |
0f113f3e MC |
2235 | if (dh_rsa) |
2236 | mask_k |= SSL_kDHr; | |
2237 | if (dh_rsa_export) | |
2238 | emask_k |= SSL_kDHr; | |
d02b48c6 | 2239 | |
0f113f3e MC |
2240 | if (dh_dsa) |
2241 | mask_k |= SSL_kDHd; | |
2242 | if (dh_dsa_export) | |
2243 | emask_k |= SSL_kDHd; | |
d02b48c6 | 2244 | |
0f113f3e MC |
2245 | if (emask_k & (SSL_kDHr | SSL_kDHd)) |
2246 | mask_a |= SSL_aDH; | |
8e1dc4d7 | 2247 | |
0f113f3e MC |
2248 | if (rsa_enc || rsa_sign) { |
2249 | mask_a |= SSL_aRSA; | |
2250 | emask_a |= SSL_aRSA; | |
2251 | } | |
d02b48c6 | 2252 | |
0f113f3e MC |
2253 | if (dsa_sign) { |
2254 | mask_a |= SSL_aDSS; | |
2255 | emask_a |= SSL_aDSS; | |
2256 | } | |
d02b48c6 | 2257 | |
0f113f3e MC |
2258 | mask_a |= SSL_aNULL; |
2259 | emask_a |= SSL_aNULL; | |
d02b48c6 | 2260 | |
bc36ee62 | 2261 | #ifndef OPENSSL_NO_KRB5 |
0f113f3e MC |
2262 | mask_k |= SSL_kKRB5; |
2263 | mask_a |= SSL_aKRB5; | |
2264 | emask_k |= SSL_kKRB5; | |
2265 | emask_a |= SSL_aKRB5; | |
f9b3bff6 RL |
2266 | #endif |
2267 | ||
0f113f3e MC |
2268 | /* |
2269 | * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites | |
2270 | * depending on the key usage extension. | |
2271 | */ | |
14536c8c | 2272 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
2273 | if (have_ecc_cert) { |
2274 | cpk = &c->pkeys[SSL_PKEY_ECC]; | |
2275 | x = cpk->x509; | |
2276 | /* This call populates extension flags (ex_flags) */ | |
2277 | X509_check_purpose(x, -1, 0); | |
0f113f3e MC |
2278 | ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ? |
2279 | (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1; | |
0f113f3e MC |
2280 | ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ? |
2281 | (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1; | |
2282 | if (!(cpk->valid_flags & CERT_PKEY_SIGN)) | |
2283 | ecdsa_ok = 0; | |
2284 | ecc_pkey = X509_get_pubkey(x); | |
2285 | ecc_pkey_size = (ecc_pkey != NULL) ? EVP_PKEY_bits(ecc_pkey) : 0; | |
2286 | EVP_PKEY_free(ecc_pkey); | |
2287 | if ((x->sig_alg) && (x->sig_alg->algorithm)) { | |
2288 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
2289 | OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid); | |
2290 | } | |
0f113f3e MC |
2291 | if (ecdh_ok) { |
2292 | ||
2293 | if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa) { | |
2294 | mask_k |= SSL_kECDHr; | |
2295 | mask_a |= SSL_aECDH; | |
2296 | if (ecc_pkey_size <= 163) { | |
2297 | emask_k |= SSL_kECDHr; | |
2298 | emask_a |= SSL_aECDH; | |
2299 | } | |
2300 | } | |
2301 | ||
2302 | if (pk_nid == NID_X9_62_id_ecPublicKey) { | |
2303 | mask_k |= SSL_kECDHe; | |
2304 | mask_a |= SSL_aECDH; | |
2305 | if (ecc_pkey_size <= 163) { | |
2306 | emask_k |= SSL_kECDHe; | |
2307 | emask_a |= SSL_aECDH; | |
2308 | } | |
2309 | } | |
2310 | } | |
0f113f3e MC |
2311 | if (ecdsa_ok) { |
2312 | mask_a |= SSL_aECDSA; | |
2313 | emask_a |= SSL_aECDSA; | |
2314 | } | |
0f113f3e | 2315 | } |
14536c8c | 2316 | #endif |
ea262260 | 2317 | |
10bf4fc2 | 2318 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
2319 | if (have_ecdh_tmp) { |
2320 | mask_k |= SSL_kECDHE; | |
2321 | emask_k |= SSL_kECDHE; | |
2322 | } | |
ea262260 | 2323 | #endif |
ddac1974 NL |
2324 | |
2325 | #ifndef OPENSSL_NO_PSK | |
0f113f3e MC |
2326 | mask_k |= SSL_kPSK; |
2327 | mask_a |= SSL_aPSK; | |
2328 | emask_k |= SSL_kPSK; | |
2329 | emask_a |= SSL_aPSK; | |
ddac1974 NL |
2330 | #endif |
2331 | ||
0f113f3e MC |
2332 | c->mask_k = mask_k; |
2333 | c->mask_a = mask_a; | |
2334 | c->export_mask_k = emask_k; | |
2335 | c->export_mask_a = emask_a; | |
2336 | c->valid = 1; | |
2337 | } | |
d02b48c6 | 2338 | |
ea262260 BM |
2339 | /* This handy macro borrowed from crypto/x509v3/v3_purp.c */ |
2340 | #define ku_reject(x, usage) \ | |
0f113f3e | 2341 | (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage))) |
ea262260 | 2342 | |
ef236ec3 DSH |
2343 | #ifndef OPENSSL_NO_EC |
2344 | ||
a2f9200f | 2345 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s) |
0f113f3e MC |
2346 | { |
2347 | unsigned long alg_k, alg_a; | |
2348 | EVP_PKEY *pkey = NULL; | |
2349 | int keysize = 0; | |
2350 | int signature_nid = 0, md_nid = 0, pk_nid = 0; | |
2351 | const SSL_CIPHER *cs = s->s3->tmp.new_cipher; | |
2352 | ||
2353 | alg_k = cs->algorithm_mkey; | |
2354 | alg_a = cs->algorithm_auth; | |
2355 | ||
2356 | if (SSL_C_IS_EXPORT(cs)) { | |
2357 | /* ECDH key length in export ciphers must be <= 163 bits */ | |
2358 | pkey = X509_get_pubkey(x); | |
2359 | if (pkey == NULL) | |
2360 | return 0; | |
2361 | keysize = EVP_PKEY_bits(pkey); | |
2362 | EVP_PKEY_free(pkey); | |
2363 | if (keysize > 163) | |
2364 | return 0; | |
2365 | } | |
2366 | ||
2367 | /* This call populates the ex_flags field correctly */ | |
2368 | X509_check_purpose(x, -1, 0); | |
2369 | if ((x->sig_alg) && (x->sig_alg->algorithm)) { | |
2370 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
2371 | OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid); | |
2372 | } | |
2373 | if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr) { | |
2374 | /* key usage, if present, must allow key agreement */ | |
2375 | if (ku_reject(x, X509v3_KU_KEY_AGREEMENT)) { | |
2376 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, | |
2377 | SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT); | |
2378 | return 0; | |
2379 | } | |
2380 | if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION) { | |
2381 | /* signature alg must be ECDSA */ | |
2382 | if (pk_nid != NID_X9_62_id_ecPublicKey) { | |
2383 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, | |
2384 | SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE); | |
2385 | return 0; | |
2386 | } | |
2387 | } | |
2388 | if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION) { | |
2389 | /* signature alg must be RSA */ | |
2390 | ||
2391 | if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa) { | |
2392 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, | |
2393 | SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE); | |
2394 | return 0; | |
2395 | } | |
2396 | } | |
2397 | } | |
2398 | if (alg_a & SSL_aECDSA) { | |
2399 | /* key usage, if present, must allow signing */ | |
2400 | if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE)) { | |
2401 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, | |
2402 | SSL_R_ECC_CERT_NOT_FOR_SIGNING); | |
2403 | return 0; | |
2404 | } | |
2405 | } | |
2406 | ||
2407 | return 1; /* all checks are ok */ | |
2408 | } | |
ea262260 | 2409 | |
ef236ec3 DSH |
2410 | #endif |
2411 | ||
2daceb03 | 2412 | static int ssl_get_server_cert_index(const SSL *s) |
0f113f3e MC |
2413 | { |
2414 | int idx; | |
2415 | idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher); | |
2416 | if (idx == SSL_PKEY_RSA_ENC && !s->cert->pkeys[SSL_PKEY_RSA_ENC].x509) | |
2417 | idx = SSL_PKEY_RSA_SIGN; | |
2418 | if (idx == -1) | |
2419 | SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR); | |
2420 | return idx; | |
2421 | } | |
a9e1c50b | 2422 | |
2daceb03 | 2423 | CERT_PKEY *ssl_get_server_send_pkey(const SSL *s) |
0f113f3e MC |
2424 | { |
2425 | CERT *c; | |
2426 | int i; | |
ea262260 | 2427 | |
0f113f3e MC |
2428 | c = s->cert; |
2429 | if (!s->s3 || !s->s3->tmp.new_cipher) | |
2430 | return NULL; | |
2431 | ssl_set_cert_masks(c, s->s3->tmp.new_cipher); | |
a9e1c50b | 2432 | |
ed83ba53 | 2433 | #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL |
0f113f3e MC |
2434 | /* |
2435 | * Broken protocol test: return last used certificate: which may mismatch | |
2436 | * the one expected. | |
2437 | */ | |
2438 | if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL) | |
2439 | return c->key; | |
ed83ba53 DSH |
2440 | #endif |
2441 | ||
0f113f3e | 2442 | i = ssl_get_server_cert_index(s); |
a9e1c50b | 2443 | |
0f113f3e MC |
2444 | /* This may or may not be an error. */ |
2445 | if (i < 0) | |
2446 | return NULL; | |
a9e1c50b | 2447 | |
0f113f3e MC |
2448 | /* May be NULL. */ |
2449 | return &c->pkeys[i]; | |
2450 | } | |
d02b48c6 | 2451 | |
0f113f3e MC |
2452 | EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *cipher, |
2453 | const EVP_MD **pmd) | |
2454 | { | |
2455 | unsigned long alg_a; | |
2456 | CERT *c; | |
2457 | int idx = -1; | |
d02b48c6 | 2458 | |
0f113f3e MC |
2459 | alg_a = cipher->algorithm_auth; |
2460 | c = s->cert; | |
d02b48c6 | 2461 | |
ed83ba53 | 2462 | #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL |
0f113f3e MC |
2463 | /* |
2464 | * Broken protocol test: use last key: which may mismatch the one | |
2465 | * expected. | |
2466 | */ | |
2467 | if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL) | |
2468 | idx = c->key - c->pkeys; | |
2469 | else | |
2470 | #endif | |
2471 | ||
2472 | if ((alg_a & SSL_aDSS) && | |
2473 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) | |
2474 | idx = SSL_PKEY_DSA_SIGN; | |
2475 | else if (alg_a & SSL_aRSA) { | |
2476 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
2477 | idx = SSL_PKEY_RSA_SIGN; | |
2478 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
2479 | idx = SSL_PKEY_RSA_ENC; | |
2480 | } else if ((alg_a & SSL_aECDSA) && | |
2481 | (c->pkeys[SSL_PKEY_ECC].privatekey != NULL)) | |
2482 | idx = SSL_PKEY_ECC; | |
2483 | if (idx == -1) { | |
2484 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY, ERR_R_INTERNAL_ERROR); | |
2485 | return (NULL); | |
2486 | } | |
2487 | if (pmd) | |
2488 | *pmd = c->pkeys[idx].digest; | |
2489 | return c->pkeys[idx].privatekey; | |
2490 | } | |
d02b48c6 | 2491 | |
a9e1c50b | 2492 | #ifndef OPENSSL_NO_TLSEXT |
a398f821 | 2493 | int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, |
0f113f3e MC |
2494 | size_t *serverinfo_length) |
2495 | { | |
2496 | CERT *c = NULL; | |
2497 | int i = 0; | |
2498 | *serverinfo_length = 0; | |
2499 | ||
2500 | c = s->cert; | |
2501 | i = ssl_get_server_cert_index(s); | |
2502 | ||
2503 | if (i == -1) | |
2504 | return 0; | |
2505 | if (c->pkeys[i].serverinfo == NULL) | |
2506 | return 0; | |
2507 | ||
2508 | *serverinfo = c->pkeys[i].serverinfo; | |
2509 | *serverinfo_length = c->pkeys[i].serverinfo_length; | |
2510 | return 1; | |
2511 | } | |
2512 | #endif | |
2513 | ||
2514 | void ssl_update_cache(SSL *s, int mode) | |
2515 | { | |
2516 | int i; | |
2517 | ||
2518 | /* | |
2519 | * If the session_id_length is 0, we are not supposed to cache it, and it | |
2520 | * would be rather hard to do anyway :-) | |
2521 | */ | |
2522 | if (s->session->session_id_length == 0) | |
2523 | return; | |
2524 | ||
2525 | i = s->session_ctx->session_cache_mode; | |
2526 | if ((i & mode) && (!s->hit) | |
2527 | && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) | |
2528 | || SSL_CTX_add_session(s->session_ctx, s->session)) | |
2529 | && (s->session_ctx->new_session_cb != NULL)) { | |
2530 | CRYPTO_add(&s->session->references, 1, CRYPTO_LOCK_SSL_SESSION); | |
2531 | if (!s->session_ctx->new_session_cb(s, s->session)) | |
2532 | SSL_SESSION_free(s->session); | |
2533 | } | |
2534 | ||
2535 | /* auto flush every 255 connections */ | |
2536 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) { | |
2537 | if ((((mode & SSL_SESS_CACHE_CLIENT) | |
2538 | ? s->session_ctx->stats.sess_connect_good | |
2539 | : s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff) { | |
2540 | SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL)); | |
2541 | } | |
2542 | } | |
2543 | } | |
d02b48c6 | 2544 | |
ba168244 | 2545 | const SSL_METHOD *SSL_CTX_get_ssl_method(SSL_CTX *ctx) |
0f113f3e MC |
2546 | { |
2547 | return ctx->method; | |
2548 | } | |
ba168244 | 2549 | |
4ebb342f | 2550 | const SSL_METHOD *SSL_get_ssl_method(SSL *s) |
0f113f3e MC |
2551 | { |
2552 | return (s->method); | |
2553 | } | |
d02b48c6 | 2554 | |
4ebb342f | 2555 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
0f113f3e MC |
2556 | { |
2557 | int conn = -1; | |
2558 | int ret = 1; | |
2559 | ||
2560 | if (s->method != meth) { | |
2561 | if (s->handshake_func != NULL) | |
2562 | conn = (s->handshake_func == s->method->ssl_connect); | |
2563 | ||
2564 | if (s->method->version == meth->version) | |
2565 | s->method = meth; | |
2566 | else { | |
2567 | s->method->ssl_free(s); | |
2568 | s->method = meth; | |
2569 | ret = s->method->ssl_new(s); | |
2570 | } | |
2571 | ||
2572 | if (conn == 1) | |
2573 | s->handshake_func = meth->ssl_connect; | |
2574 | else if (conn == 0) | |
2575 | s->handshake_func = meth->ssl_accept; | |
2576 | } | |
2577 | return (ret); | |
2578 | } | |
2579 | ||
2580 | int SSL_get_error(const SSL *s, int i) | |
2581 | { | |
2582 | int reason; | |
2583 | unsigned long l; | |
2584 | BIO *bio; | |
2585 | ||
2586 | if (i > 0) | |
2587 | return (SSL_ERROR_NONE); | |
2588 | ||
2589 | /* | |
2590 | * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, | |
2591 | * where we do encode the error | |
2592 | */ | |
2593 | if ((l = ERR_peek_error()) != 0) { | |
2594 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
2595 | return (SSL_ERROR_SYSCALL); | |
2596 | else | |
2597 | return (SSL_ERROR_SSL); | |
2598 | } | |
2599 | ||
2600 | if ((i < 0) && SSL_want_read(s)) { | |
2601 | bio = SSL_get_rbio(s); | |
2602 | if (BIO_should_read(bio)) | |
2603 | return (SSL_ERROR_WANT_READ); | |
2604 | else if (BIO_should_write(bio)) | |
2605 | /* | |
2606 | * This one doesn't make too much sense ... We never try to write | |
2607 | * to the rbio, and an application program where rbio and wbio | |
2608 | * are separate couldn't even know what it should wait for. | |
2609 | * However if we ever set s->rwstate incorrectly (so that we have | |
2610 | * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and | |
2611 | * wbio *are* the same, this test works around that bug; so it | |
2612 | * might be safer to keep it. | |
2613 | */ | |
2614 | return (SSL_ERROR_WANT_WRITE); | |
2615 | else if (BIO_should_io_special(bio)) { | |
2616 | reason = BIO_get_retry_reason(bio); | |
2617 | if (reason == BIO_RR_CONNECT) | |
2618 | return (SSL_ERROR_WANT_CONNECT); | |
2619 | else if (reason == BIO_RR_ACCEPT) | |
2620 | return (SSL_ERROR_WANT_ACCEPT); | |
2621 | else | |
2622 | return (SSL_ERROR_SYSCALL); /* unknown */ | |
2623 | } | |
2624 | } | |
2625 | ||
2626 | if ((i < 0) && SSL_want_write(s)) { | |
2627 | bio = SSL_get_wbio(s); | |
2628 | if (BIO_should_write(bio)) | |
2629 | return (SSL_ERROR_WANT_WRITE); | |
2630 | else if (BIO_should_read(bio)) | |
2631 | /* | |
2632 | * See above (SSL_want_read(s) with BIO_should_write(bio)) | |
2633 | */ | |
2634 | return (SSL_ERROR_WANT_READ); | |
2635 | else if (BIO_should_io_special(bio)) { | |
2636 | reason = BIO_get_retry_reason(bio); | |
2637 | if (reason == BIO_RR_CONNECT) | |
2638 | return (SSL_ERROR_WANT_CONNECT); | |
2639 | else if (reason == BIO_RR_ACCEPT) | |
2640 | return (SSL_ERROR_WANT_ACCEPT); | |
2641 | else | |
2642 | return (SSL_ERROR_SYSCALL); | |
2643 | } | |
2644 | } | |
2645 | if ((i < 0) && SSL_want_x509_lookup(s)) { | |
2646 | return (SSL_ERROR_WANT_X509_LOOKUP); | |
2647 | } | |
2648 | ||
2649 | if (i == 0) { | |
2650 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
2651 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) | |
2652 | return (SSL_ERROR_ZERO_RETURN); | |
2653 | } | |
2654 | return (SSL_ERROR_SYSCALL); | |
2655 | } | |
d02b48c6 | 2656 | |
4f43d0e7 | 2657 | int SSL_do_handshake(SSL *s) |
0f113f3e MC |
2658 | { |
2659 | int ret = 1; | |
2660 | ||
2661 | if (s->handshake_func == NULL) { | |
2662 | SSLerr(SSL_F_SSL_DO_HANDSHAKE, SSL_R_CONNECTION_TYPE_NOT_SET); | |
2663 | return (-1); | |
2664 | } | |
2665 | ||
2666 | s->method->ssl_renegotiate_check(s); | |
2667 | ||
2668 | if (SSL_in_init(s) || SSL_in_before(s)) { | |
2669 | ret = s->handshake_func(s); | |
2670 | } | |
2671 | return (ret); | |
2672 | } | |
2673 | ||
2674 | /* | |
2675 | * For the next 2 functions, SSL_clear() sets shutdown and so one of these | |
2676 | * calls will reset it | |
2677 | */ | |
4f43d0e7 | 2678 | void SSL_set_accept_state(SSL *s) |
0f113f3e MC |
2679 | { |
2680 | s->server = 1; | |
2681 | s->shutdown = 0; | |
2682 | s->state = SSL_ST_ACCEPT | SSL_ST_BEFORE; | |
2683 | s->handshake_func = s->method->ssl_accept; | |
2684 | /* clear the current cipher */ | |
2685 | ssl_clear_cipher_ctx(s); | |
2686 | ssl_clear_hash_ctx(&s->read_hash); | |
2687 | ssl_clear_hash_ctx(&s->write_hash); | |
2688 | } | |
d02b48c6 | 2689 | |
4f43d0e7 | 2690 | void SSL_set_connect_state(SSL *s) |
0f113f3e MC |
2691 | { |
2692 | s->server = 0; | |
2693 | s->shutdown = 0; | |
2694 | s->state = SSL_ST_CONNECT | SSL_ST_BEFORE; | |
2695 | s->handshake_func = s->method->ssl_connect; | |
2696 | /* clear the current cipher */ | |
2697 | ssl_clear_cipher_ctx(s); | |
2698 | ssl_clear_hash_ctx(&s->read_hash); | |
2699 | ssl_clear_hash_ctx(&s->write_hash); | |
2700 | } | |
d02b48c6 | 2701 | |
4f43d0e7 | 2702 | int ssl_undefined_function(SSL *s) |
0f113f3e MC |
2703 | { |
2704 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2705 | return (0); | |
2706 | } | |
d02b48c6 | 2707 | |
41a15c4f | 2708 | int ssl_undefined_void_function(void) |
0f113f3e MC |
2709 | { |
2710 | SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION, | |
2711 | ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2712 | return (0); | |
2713 | } | |
41a15c4f | 2714 | |
0821bcd4 | 2715 | int ssl_undefined_const_function(const SSL *s) |
0f113f3e MC |
2716 | { |
2717 | SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION, | |
2718 | ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2719 | return (0); | |
2720 | } | |
0821bcd4 | 2721 | |
4f43d0e7 | 2722 | SSL_METHOD *ssl_bad_method(int ver) |
0f113f3e MC |
2723 | { |
2724 | SSLerr(SSL_F_SSL_BAD_METHOD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2725 | return (NULL); | |
2726 | } | |
d02b48c6 | 2727 | |
0821bcd4 | 2728 | const char *SSL_get_version(const SSL *s) |
0f113f3e MC |
2729 | { |
2730 | if (s->version == TLS1_2_VERSION) | |
2731 | return ("TLSv1.2"); | |
2732 | else if (s->version == TLS1_1_VERSION) | |
2733 | return ("TLSv1.1"); | |
2734 | else if (s->version == TLS1_VERSION) | |
2735 | return ("TLSv1"); | |
2736 | else if (s->version == SSL3_VERSION) | |
2737 | return ("SSLv3"); | |
504e643e DW |
2738 | else if (s->version == DTLS1_BAD_VER) |
2739 | return ("DTLSv0.9"); | |
2740 | else if (s->version == DTLS1_VERSION) | |
2741 | return ("DTLSv1"); | |
2742 | else if (s->version == DTLS1_2_VERSION) | |
2743 | return ("DTLSv1.2"); | |
0f113f3e MC |
2744 | else |
2745 | return ("unknown"); | |
2746 | } | |
d02b48c6 | 2747 | |
4f43d0e7 | 2748 | SSL *SSL_dup(SSL *s) |
0f113f3e MC |
2749 | { |
2750 | STACK_OF(X509_NAME) *sk; | |
2751 | X509_NAME *xn; | |
2752 | SSL *ret; | |
2753 | int i; | |
2754 | ||
2755 | if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL) | |
2756 | return (NULL); | |
2757 | ||
2758 | ret->version = s->version; | |
2759 | ret->type = s->type; | |
2760 | ret->method = s->method; | |
2761 | ||
2762 | if (s->session != NULL) { | |
2763 | /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */ | |
17dd65e6 MC |
2764 | if(!SSL_copy_session_id(ret, s)) |
2765 | goto err; | |
0f113f3e MC |
2766 | } else { |
2767 | /* | |
2768 | * No session has been established yet, so we have to expect that | |
2769 | * s->cert or ret->cert will be changed later -- they should not both | |
2770 | * point to the same object, and thus we can't use | |
2771 | * SSL_copy_session_id. | |
2772 | */ | |
2773 | ||
2774 | ret->method->ssl_free(ret); | |
2775 | ret->method = s->method; | |
2776 | ret->method->ssl_new(ret); | |
2777 | ||
2778 | if (s->cert != NULL) { | |
2779 | if (ret->cert != NULL) { | |
2780 | ssl_cert_free(ret->cert); | |
2781 | } | |
2782 | ret->cert = ssl_cert_dup(s->cert); | |
2783 | if (ret->cert == NULL) | |
2784 | goto err; | |
2785 | } | |
2786 | ||
69f68237 MC |
2787 | if(!SSL_set_session_id_context(ret, s->sid_ctx, s->sid_ctx_length)) |
2788 | goto err; | |
0f113f3e MC |
2789 | } |
2790 | ||
2791 | ret->options = s->options; | |
2792 | ret->mode = s->mode; | |
2793 | SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s)); | |
2794 | SSL_set_read_ahead(ret, SSL_get_read_ahead(s)); | |
2795 | ret->msg_callback = s->msg_callback; | |
2796 | ret->msg_callback_arg = s->msg_callback_arg; | |
2797 | SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s)); | |
2798 | SSL_set_verify_depth(ret, SSL_get_verify_depth(s)); | |
2799 | ret->generate_session_id = s->generate_session_id; | |
2800 | ||
2801 | SSL_set_info_callback(ret, SSL_get_info_callback(s)); | |
2802 | ||
2803 | ret->debug = s->debug; | |
2804 | ||
2805 | /* copy app data, a little dangerous perhaps */ | |
2806 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) | |
2807 | goto err; | |
2808 | ||
2809 | /* setup rbio, and wbio */ | |
2810 | if (s->rbio != NULL) { | |
2811 | if (!BIO_dup_state(s->rbio, (char *)&ret->rbio)) | |
2812 | goto err; | |
2813 | } | |
2814 | if (s->wbio != NULL) { | |
2815 | if (s->wbio != s->rbio) { | |
2816 | if (!BIO_dup_state(s->wbio, (char *)&ret->wbio)) | |
2817 | goto err; | |
2818 | } else | |
2819 | ret->wbio = ret->rbio; | |
2820 | } | |
2821 | ret->rwstate = s->rwstate; | |
2822 | ret->in_handshake = s->in_handshake; | |
2823 | ret->handshake_func = s->handshake_func; | |
2824 | ret->server = s->server; | |
2825 | ret->renegotiate = s->renegotiate; | |
2826 | ret->new_session = s->new_session; | |
2827 | ret->quiet_shutdown = s->quiet_shutdown; | |
2828 | ret->shutdown = s->shutdown; | |
2829 | ret->state = s->state; /* SSL_dup does not really work at any state, | |
2830 | * though */ | |
295c3f41 | 2831 | RECORD_LAYER_dup(&ret->rlayer, &s->rlayer); |
0f113f3e MC |
2832 | ret->init_num = 0; /* would have to copy ret->init_buf, |
2833 | * ret->init_msg, ret->init_num, | |
2834 | * ret->init_off */ | |
2835 | ret->hit = s->hit; | |
2836 | ||
2837 | X509_VERIFY_PARAM_inherit(ret->param, s->param); | |
2838 | ||
2839 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
2840 | if (s->cipher_list != NULL) { | |
2841 | if ((ret->cipher_list = sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) | |
2842 | goto err; | |
2843 | } | |
2844 | if (s->cipher_list_by_id != NULL) | |
2845 | if ((ret->cipher_list_by_id = sk_SSL_CIPHER_dup(s->cipher_list_by_id)) | |
2846 | == NULL) | |
2847 | goto err; | |
2848 | ||
2849 | /* Dup the client_CA list */ | |
2850 | if (s->client_CA != NULL) { | |
2851 | if ((sk = sk_X509_NAME_dup(s->client_CA)) == NULL) | |
2852 | goto err; | |
2853 | ret->client_CA = sk; | |
2854 | for (i = 0; i < sk_X509_NAME_num(sk); i++) { | |
2855 | xn = sk_X509_NAME_value(sk, i); | |
2856 | if (sk_X509_NAME_set(sk, i, X509_NAME_dup(xn)) == NULL) { | |
2857 | X509_NAME_free(xn); | |
2858 | goto err; | |
2859 | } | |
2860 | } | |
2861 | } | |
2862 | ||
2863 | if (0) { | |
2864 | err: | |
2865 | if (ret != NULL) | |
2866 | SSL_free(ret); | |
2867 | ret = NULL; | |
2868 | } | |
2869 | return (ret); | |
2870 | } | |
d02b48c6 | 2871 | |
4f43d0e7 | 2872 | void ssl_clear_cipher_ctx(SSL *s) |
0f113f3e MC |
2873 | { |
2874 | if (s->enc_read_ctx != NULL) { | |
2875 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
2876 | OPENSSL_free(s->enc_read_ctx); | |
2877 | s->enc_read_ctx = NULL; | |
2878 | } | |
2879 | if (s->enc_write_ctx != NULL) { | |
2880 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
2881 | OPENSSL_free(s->enc_write_ctx); | |
2882 | s->enc_write_ctx = NULL; | |
2883 | } | |
09b6c2ef | 2884 | #ifndef OPENSSL_NO_COMP |
0f113f3e MC |
2885 | if (s->expand != NULL) { |
2886 | COMP_CTX_free(s->expand); | |
2887 | s->expand = NULL; | |
2888 | } | |
2889 | if (s->compress != NULL) { | |
2890 | COMP_CTX_free(s->compress); | |
2891 | s->compress = NULL; | |
2892 | } | |
2893 | #endif | |
2894 | } | |
d02b48c6 | 2895 | |
0821bcd4 | 2896 | X509 *SSL_get_certificate(const SSL *s) |
0f113f3e MC |
2897 | { |
2898 | if (s->cert != NULL) | |
2899 | return (s->cert->key->x509); | |
2900 | else | |
2901 | return (NULL); | |
2902 | } | |
d02b48c6 | 2903 | |
a25f9adc | 2904 | EVP_PKEY *SSL_get_privatekey(const SSL *s) |
0f113f3e MC |
2905 | { |
2906 | if (s->cert != NULL) | |
2907 | return (s->cert->key->privatekey); | |
2908 | else | |
2909 | return (NULL); | |
2910 | } | |
d02b48c6 | 2911 | |
a25f9adc | 2912 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) |
0f113f3e MC |
2913 | { |
2914 | if (ctx->cert != NULL) | |
2915 | return ctx->cert->key->x509; | |
2916 | else | |
2917 | return NULL; | |
2918 | } | |
a25f9adc DSH |
2919 | |
2920 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) | |
0f113f3e MC |
2921 | { |
2922 | if (ctx->cert != NULL) | |
2923 | return ctx->cert->key->privatekey; | |
2924 | else | |
2925 | return NULL; | |
2926 | } | |
a25f9adc | 2927 | |
babb3798 | 2928 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
0f113f3e MC |
2929 | { |
2930 | if ((s->session != NULL) && (s->session->cipher != NULL)) | |
2931 | return (s->session->cipher); | |
2932 | return (NULL); | |
2933 | } | |
2934 | ||
09b6c2ef DSH |
2935 | #ifdef OPENSSL_NO_COMP |
2936 | const void *SSL_get_current_compression(SSL *s) | |
0f113f3e MC |
2937 | { |
2938 | return NULL; | |
2939 | } | |
2940 | ||
09b6c2ef | 2941 | const void *SSL_get_current_expansion(SSL *s) |
0f113f3e MC |
2942 | { |
2943 | return NULL; | |
2944 | } | |
09b6c2ef | 2945 | #else |
d02b48c6 | 2946 | |
377dcdba | 2947 | const COMP_METHOD *SSL_get_current_compression(SSL *s) |
0f113f3e MC |
2948 | { |
2949 | if (s->compress != NULL) | |
2950 | return (s->compress->meth); | |
2951 | return (NULL); | |
2952 | } | |
377dcdba RL |
2953 | |
2954 | const COMP_METHOD *SSL_get_current_expansion(SSL *s) | |
0f113f3e MC |
2955 | { |
2956 | if (s->expand != NULL) | |
2957 | return (s->expand->meth); | |
2958 | return (NULL); | |
2959 | } | |
2960 | #endif | |
2961 | ||
2962 | int ssl_init_wbio_buffer(SSL *s, int push) | |
2963 | { | |
2964 | BIO *bbio; | |
2965 | ||
2966 | if (s->bbio == NULL) { | |
2967 | bbio = BIO_new(BIO_f_buffer()); | |
2968 | if (bbio == NULL) | |
2969 | return (0); | |
2970 | s->bbio = bbio; | |
2971 | } else { | |
2972 | bbio = s->bbio; | |
2973 | if (s->bbio == s->wbio) | |
2974 | s->wbio = BIO_pop(s->wbio); | |
2975 | } | |
2976 | (void)BIO_reset(bbio); | |
2977 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ | |
2978 | if (!BIO_set_read_buffer_size(bbio, 1)) { | |
2979 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER, ERR_R_BUF_LIB); | |
2980 | return (0); | |
2981 | } | |
2982 | if (push) { | |
2983 | if (s->wbio != bbio) | |
2984 | s->wbio = BIO_push(bbio, s->wbio); | |
2985 | } else { | |
2986 | if (s->wbio == bbio) | |
2987 | s->wbio = BIO_pop(bbio); | |
2988 | } | |
2989 | return (1); | |
2990 | } | |
413c4f45 | 2991 | |
4f43d0e7 | 2992 | void ssl_free_wbio_buffer(SSL *s) |
0f113f3e | 2993 | { |
62adbcee | 2994 | /* callers ensure s is never null */ |
0f113f3e MC |
2995 | if (s->bbio == NULL) |
2996 | return; | |
2997 | ||
2998 | if (s->bbio == s->wbio) { | |
2999 | /* remove buffering */ | |
3000 | s->wbio = BIO_pop(s->wbio); | |
3001 | #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids | |
3002 | * adding one more preprocessor symbol */ | |
3003 | assert(s->wbio != NULL); | |
3004 | #endif | |
3005 | } | |
3006 | BIO_free(s->bbio); | |
3007 | s->bbio = NULL; | |
3008 | } | |
3009 | ||
3010 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) | |
3011 | { | |
3012 | ctx->quiet_shutdown = mode; | |
3013 | } | |
58964a49 | 3014 | |
0821bcd4 | 3015 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
0f113f3e MC |
3016 | { |
3017 | return (ctx->quiet_shutdown); | |
3018 | } | |
58964a49 | 3019 | |
0f113f3e MC |
3020 | void SSL_set_quiet_shutdown(SSL *s, int mode) |
3021 | { | |
3022 | s->quiet_shutdown = mode; | |
3023 | } | |
58964a49 | 3024 | |
0821bcd4 | 3025 | int SSL_get_quiet_shutdown(const SSL *s) |
0f113f3e MC |
3026 | { |
3027 | return (s->quiet_shutdown); | |
3028 | } | |
58964a49 | 3029 | |
0f113f3e MC |
3030 | void SSL_set_shutdown(SSL *s, int mode) |
3031 | { | |
3032 | s->shutdown = mode; | |
3033 | } | |
58964a49 | 3034 | |
0821bcd4 | 3035 | int SSL_get_shutdown(const SSL *s) |
0f113f3e MC |
3036 | { |
3037 | return (s->shutdown); | |
3038 | } | |
58964a49 | 3039 | |
0821bcd4 | 3040 | int SSL_version(const SSL *s) |
0f113f3e MC |
3041 | { |
3042 | return (s->version); | |
3043 | } | |
58964a49 | 3044 | |
0821bcd4 | 3045 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
0f113f3e MC |
3046 | { |
3047 | return (ssl->ctx); | |
3048 | } | |
3049 | ||
3050 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) | |
3051 | { | |
24a0d393 | 3052 | CERT *new_cert; |
0f113f3e MC |
3053 | if (ssl->ctx == ctx) |
3054 | return ssl->ctx; | |
367eb1f1 | 3055 | #ifndef OPENSSL_NO_TLSEXT |
0f113f3e MC |
3056 | if (ctx == NULL) |
3057 | ctx = ssl->initial_ctx; | |
3058 | #endif | |
24a0d393 KR |
3059 | new_cert = ssl_cert_dup(ctx->cert); |
3060 | if (new_cert == NULL) { | |
3061 | return NULL; | |
0f113f3e | 3062 | } |
24a0d393 KR |
3063 | /* Preserve any already negotiated parameters */ |
3064 | if (ssl->server) { | |
3065 | new_cert->peer_sigalgs = ssl->cert->peer_sigalgs; | |
3066 | new_cert->peer_sigalgslen = ssl->cert->peer_sigalgslen; | |
3067 | ssl->cert->peer_sigalgs = NULL; | |
3068 | new_cert->ciphers_raw = ssl->cert->ciphers_raw; | |
3069 | new_cert->ciphers_rawlen = ssl->cert->ciphers_rawlen; | |
3070 | ssl->cert->ciphers_raw = NULL; | |
3071 | } | |
3072 | ssl_cert_free(ssl->cert); | |
3073 | ssl->cert = new_cert; | |
0f113f3e MC |
3074 | |
3075 | /* | |
3076 | * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH), | |
3077 | * so setter APIs must prevent invalid lengths from entering the system. | |
3078 | */ | |
3079 | OPENSSL_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx)); | |
3080 | ||
3081 | /* | |
3082 | * If the session ID context matches that of the parent SSL_CTX, | |
3083 | * inherit it from the new SSL_CTX as well. If however the context does | |
3084 | * not match (i.e., it was set per-ssl with SSL_set_session_id_context), | |
3085 | * leave it unchanged. | |
3086 | */ | |
3087 | if ((ssl->ctx != NULL) && | |
3088 | (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) && | |
3089 | (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) { | |
3090 | ssl->sid_ctx_length = ctx->sid_ctx_length; | |
3091 | memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx)); | |
3092 | } | |
3093 | ||
3094 | CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX); | |
3095 | if (ssl->ctx != NULL) | |
3096 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ | |
3097 | ssl->ctx = ctx; | |
3098 | ||
3099 | return (ssl->ctx); | |
3100 | } | |
ed3883d2 | 3101 | |
bc36ee62 | 3102 | #ifndef OPENSSL_NO_STDIO |
4f43d0e7 | 3103 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
0f113f3e MC |
3104 | { |
3105 | return (X509_STORE_set_default_paths(ctx->cert_store)); | |
3106 | } | |
58964a49 | 3107 | |
303c0028 | 3108 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
0f113f3e MC |
3109 | const char *CApath) |
3110 | { | |
3111 | return (X509_STORE_load_locations(ctx->cert_store, CAfile, CApath)); | |
3112 | } | |
dfeab068 | 3113 | #endif |
58964a49 | 3114 | |
45d87a1f | 3115 | void SSL_set_info_callback(SSL *ssl, |
0f113f3e MC |
3116 | void (*cb) (const SSL *ssl, int type, int val)) |
3117 | { | |
3118 | ssl->info_callback = cb; | |
3119 | } | |
3120 | ||
3121 | /* | |
3122 | * One compiler (Diab DCC) doesn't like argument names in returned function | |
3123 | * pointer. | |
3124 | */ | |
3125 | void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * /* ssl */ , | |
3126 | int /* type */ , | |
3127 | int /* val */ ) { | |
3128 | return ssl->info_callback; | |
3129 | } | |
58964a49 | 3130 | |
0821bcd4 | 3131 | int SSL_state(const SSL *ssl) |
0f113f3e MC |
3132 | { |
3133 | return (ssl->state); | |
3134 | } | |
58964a49 | 3135 | |
08557cf2 | 3136 | void SSL_set_state(SSL *ssl, int state) |
0f113f3e MC |
3137 | { |
3138 | ssl->state = state; | |
3139 | } | |
08557cf2 | 3140 | |
0f113f3e MC |
3141 | void SSL_set_verify_result(SSL *ssl, long arg) |
3142 | { | |
3143 | ssl->verify_result = arg; | |
3144 | } | |
58964a49 | 3145 | |
0821bcd4 | 3146 | long SSL_get_verify_result(const SSL *ssl) |
0f113f3e MC |
3147 | { |
3148 | return (ssl->verify_result); | |
3149 | } | |
3150 | ||
3151 | int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | |
3152 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | |
3153 | { | |
3154 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp, | |
3155 | new_func, dup_func, free_func); | |
3156 | } | |
3157 | ||
3158 | int SSL_set_ex_data(SSL *s, int idx, void *arg) | |
3159 | { | |
3160 | return (CRYPTO_set_ex_data(&s->ex_data, idx, arg)); | |
3161 | } | |
3162 | ||
3163 | void *SSL_get_ex_data(const SSL *s, int idx) | |
3164 | { | |
3165 | return (CRYPTO_get_ex_data(&s->ex_data, idx)); | |
3166 | } | |
3167 | ||
3168 | int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | |
3169 | CRYPTO_EX_dup *dup_func, | |
3170 | CRYPTO_EX_free *free_func) | |
3171 | { | |
3172 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp, | |
3173 | new_func, dup_func, free_func); | |
3174 | } | |
3175 | ||
3176 | int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg) | |
3177 | { | |
3178 | return (CRYPTO_set_ex_data(&s->ex_data, idx, arg)); | |
3179 | } | |
3180 | ||
3181 | void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx) | |
3182 | { | |
3183 | return (CRYPTO_get_ex_data(&s->ex_data, idx)); | |
3184 | } | |
58964a49 | 3185 | |
4f43d0e7 | 3186 | int ssl_ok(SSL *s) |
0f113f3e MC |
3187 | { |
3188 | return (1); | |
3189 | } | |
dfeab068 | 3190 | |
0821bcd4 | 3191 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
0f113f3e MC |
3192 | { |
3193 | return (ctx->cert_store); | |
3194 | } | |
413c4f45 | 3195 | |
0f113f3e MC |
3196 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) |
3197 | { | |
3198 | if (ctx->cert_store != NULL) | |
3199 | X509_STORE_free(ctx->cert_store); | |
3200 | ctx->cert_store = store; | |
3201 | } | |
413c4f45 | 3202 | |
0821bcd4 | 3203 | int SSL_want(const SSL *s) |
0f113f3e MC |
3204 | { |
3205 | return (s->rwstate); | |
3206 | } | |
413c4f45 | 3207 | |
0f113f3e | 3208 | /** |
4f43d0e7 BL |
3209 | * \brief Set the callback for generating temporary RSA keys. |
3210 | * \param ctx the SSL context. | |
3211 | * \param cb the callback | |
3212 | */ | |
3213 | ||
bc36ee62 | 3214 | #ifndef OPENSSL_NO_RSA |
0f113f3e MC |
3215 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, RSA *(*cb) (SSL *ssl, |
3216 | int is_export, | |
3217 | int keylength)) | |
3218 | { | |
3219 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_RSA_CB, (void (*)(void))cb); | |
3220 | } | |
79df9d62 | 3221 | |
0f113f3e MC |
3222 | void SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb) (SSL *ssl, |
3223 | int is_export, | |
3224 | int keylength)) | |
3225 | { | |
3226 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_RSA_CB, (void (*)(void))cb); | |
3227 | } | |
79df9d62 | 3228 | #endif |
f8c3c05d | 3229 | |
4f43d0e7 | 3230 | #ifdef DOXYGEN |
0f113f3e | 3231 | /** |
4f43d0e7 BL |
3232 | * \brief The RSA temporary key callback function. |
3233 | * \param ssl the SSL session. | |
df63a389 UM |
3234 | * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite. |
3235 | * \param keylength if \c is_export is \c TRUE, then \c keylength is the size | |
3236 | * of the required key in bits. | |
4f43d0e7 BL |
3237 | * \return the temporary RSA key. |
3238 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
3239 | */ | |
3240 | ||
0f113f3e MC |
3241 | RSA *cb(SSL *ssl, int is_export, int keylength) |
3242 | { | |
3243 | } | |
4f43d0e7 BL |
3244 | #endif |
3245 | ||
0f113f3e | 3246 | /** |
4f43d0e7 BL |
3247 | * \brief Set the callback for generating temporary DH keys. |
3248 | * \param ctx the SSL context. | |
3249 | * \param dh the callback | |
3250 | */ | |
3251 | ||
bc36ee62 | 3252 | #ifndef OPENSSL_NO_DH |
0f113f3e MC |
3253 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, |
3254 | DH *(*dh) (SSL *ssl, int is_export, | |
3255 | int keylength)) | |
3256 | { | |
3257 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh); | |
3258 | } | |
f8c3c05d | 3259 | |
0f113f3e MC |
3260 | void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export, |
3261 | int keylength)) | |
3262 | { | |
3263 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh); | |
3264 | } | |
79df9d62 | 3265 | #endif |
15d21c2d | 3266 | |
10bf4fc2 | 3267 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
3268 | void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx, |
3269 | EC_KEY *(*ecdh) (SSL *ssl, int is_export, | |
3270 | int keylength)) | |
3271 | { | |
3272 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_ECDH_CB, | |
3273 | (void (*)(void))ecdh); | |
3274 | } | |
ea262260 | 3275 | |
0f113f3e MC |
3276 | void SSL_set_tmp_ecdh_callback(SSL *ssl, |
3277 | EC_KEY *(*ecdh) (SSL *ssl, int is_export, | |
3278 | int keylength)) | |
3279 | { | |
3280 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_ECDH_CB, (void (*)(void))ecdh); | |
3281 | } | |
ea262260 BM |
3282 | #endif |
3283 | ||
ddac1974 NL |
3284 | #ifndef OPENSSL_NO_PSK |
3285 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
0f113f3e MC |
3286 | { |
3287 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { | |
3288 | SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, | |
3289 | SSL_R_DATA_LENGTH_TOO_LONG); | |
3290 | return 0; | |
3291 | } | |
3292 | if (ctx->psk_identity_hint != NULL) | |
3293 | OPENSSL_free(ctx->psk_identity_hint); | |
3294 | if (identity_hint != NULL) { | |
3295 | ctx->psk_identity_hint = BUF_strdup(identity_hint); | |
3296 | if (ctx->psk_identity_hint == NULL) | |
3297 | return 0; | |
3298 | } else | |
3299 | ctx->psk_identity_hint = NULL; | |
3300 | return 1; | |
3301 | } | |
ddac1974 NL |
3302 | |
3303 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
0f113f3e MC |
3304 | { |
3305 | if (s == NULL) | |
3306 | return 0; | |
3307 | ||
3308 | if (s->session == NULL) | |
3309 | return 1; /* session not created yet, ignored */ | |
3310 | ||
3311 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { | |
3312 | SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); | |
3313 | return 0; | |
3314 | } | |
3315 | if (s->session->psk_identity_hint != NULL) | |
3316 | OPENSSL_free(s->session->psk_identity_hint); | |
3317 | if (identity_hint != NULL) { | |
3318 | s->session->psk_identity_hint = BUF_strdup(identity_hint); | |
3319 | if (s->session->psk_identity_hint == NULL) | |
3320 | return 0; | |
3321 | } else | |
3322 | s->session->psk_identity_hint = NULL; | |
3323 | return 1; | |
3324 | } | |
ddac1974 NL |
3325 | |
3326 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
0f113f3e MC |
3327 | { |
3328 | if (s == NULL || s->session == NULL) | |
3329 | return NULL; | |
3330 | return (s->session->psk_identity_hint); | |
3331 | } | |
ddac1974 NL |
3332 | |
3333 | const char *SSL_get_psk_identity(const SSL *s) | |
0f113f3e MC |
3334 | { |
3335 | if (s == NULL || s->session == NULL) | |
3336 | return NULL; | |
3337 | return (s->session->psk_identity); | |
3338 | } | |
7806f3dd | 3339 | |
52b8dad8 | 3340 | void SSL_set_psk_client_callback(SSL *s, |
0f113f3e MC |
3341 | unsigned int (*cb) (SSL *ssl, |
3342 | const char *hint, | |
3343 | char *identity, | |
3344 | unsigned int | |
3345 | max_identity_len, | |
3346 | unsigned char *psk, | |
3347 | unsigned int | |
3348 | max_psk_len)) | |
3349 | { | |
3350 | s->psk_client_callback = cb; | |
3351 | } | |
7806f3dd NL |
3352 | |
3353 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, | |
0f113f3e MC |
3354 | unsigned int (*cb) (SSL *ssl, |
3355 | const char *hint, | |
3356 | char *identity, | |
3357 | unsigned int | |
3358 | max_identity_len, | |
3359 | unsigned char *psk, | |
3360 | unsigned int | |
3361 | max_psk_len)) | |
3362 | { | |
3363 | ctx->psk_client_callback = cb; | |
3364 | } | |
7806f3dd | 3365 | |
52b8dad8 | 3366 | void SSL_set_psk_server_callback(SSL *s, |
0f113f3e MC |
3367 | unsigned int (*cb) (SSL *ssl, |
3368 | const char *identity, | |
3369 | unsigned char *psk, | |
3370 | unsigned int | |
3371 | max_psk_len)) | |
3372 | { | |
3373 | s->psk_server_callback = cb; | |
3374 | } | |
7806f3dd NL |
3375 | |
3376 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, | |
0f113f3e MC |
3377 | unsigned int (*cb) (SSL *ssl, |
3378 | const char *identity, | |
3379 | unsigned char *psk, | |
3380 | unsigned int | |
3381 | max_psk_len)) | |
3382 | { | |
3383 | ctx->psk_server_callback = cb; | |
3384 | } | |
3385 | #endif | |
3386 | ||
3387 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, | |
3388 | void (*cb) (int write_p, int version, | |
3389 | int content_type, const void *buf, | |
3390 | size_t len, SSL *ssl, void *arg)) | |
3391 | { | |
3392 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
3393 | } | |
3394 | ||
3395 | void SSL_set_msg_callback(SSL *ssl, | |
3396 | void (*cb) (int write_p, int version, | |
3397 | int content_type, const void *buf, | |
3398 | size_t len, SSL *ssl, void *arg)) | |
3399 | { | |
3400 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); | |
3401 | } | |
a661b653 | 3402 | |
7c2d4fee | 3403 | void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx, |
0f113f3e MC |
3404 | int (*cb) (SSL *ssl, |
3405 | int | |
3406 | is_forward_secure)) | |
3407 | { | |
3408 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
3409 | (void (*)(void))cb); | |
3410 | } | |
3411 | ||
7c2d4fee | 3412 | void SSL_set_not_resumable_session_callback(SSL *ssl, |
0f113f3e MC |
3413 | int (*cb) (SSL *ssl, |
3414 | int is_forward_secure)) | |
3415 | { | |
3416 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB, | |
3417 | (void (*)(void))cb); | |
3418 | } | |
3419 | ||
3420 | /* | |
3421 | * Allocates new EVP_MD_CTX and sets pointer to it into given pointer | |
3422 | * vairable, freeing EVP_MD_CTX previously stored in that variable, if any. | |
3423 | * If EVP_MD pointer is passed, initializes ctx with this md Returns newly | |
3424 | * allocated ctx; | |
8671b898 | 3425 | */ |
b948e2c5 | 3426 | |
0f113f3e | 3427 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md) |
b948e2c5 | 3428 | { |
0f113f3e MC |
3429 | ssl_clear_hash_ctx(hash); |
3430 | *hash = EVP_MD_CTX_create(); | |
3431 | if (md) | |
3432 | EVP_DigestInit_ex(*hash, md, NULL); | |
3433 | return *hash; | |
b948e2c5 | 3434 | } |
0f113f3e MC |
3435 | |
3436 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash) | |
b948e2c5 DSH |
3437 | { |
3438 | ||
0f113f3e MC |
3439 | if (*hash) |
3440 | EVP_MD_CTX_destroy(*hash); | |
3441 | *hash = NULL; | |
b948e2c5 | 3442 | } |
a661b653 | 3443 | |
48fbcbac DSH |
3444 | /* Retrieve handshake hashes */ |
3445 | int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen) | |
3446 | { | |
3447 | unsigned char *p = out; | |
3448 | int idx, ret = 0; | |
3449 | long mask; | |
3450 | EVP_MD_CTX ctx; | |
3451 | const EVP_MD *md; | |
3452 | EVP_MD_CTX_init(&ctx); | |
3453 | for (idx = 0; ssl_get_handshake_digest(idx, &mask, &md); idx++) { | |
3454 | if (mask & ssl_get_algorithm2(s)) { | |
3455 | int hashsize = EVP_MD_size(md); | |
3456 | EVP_MD_CTX *hdgst = s->s3->handshake_dgst[idx]; | |
3457 | if (!hdgst || hashsize < 0 || hashsize > outlen) | |
3458 | goto err; | |
3459 | if (!EVP_MD_CTX_copy_ex(&ctx, hdgst)) | |
3460 | goto err; | |
3461 | if (!EVP_DigestFinal_ex(&ctx, p, NULL)) | |
3462 | goto err; | |
3463 | p += hashsize; | |
3464 | outlen -= hashsize; | |
3465 | } | |
3466 | } | |
3467 | ret = p - out; | |
3468 | err: | |
3469 | EVP_MD_CTX_cleanup(&ctx); | |
3470 | return ret; | |
3471 | } | |
3472 | ||
08557cf2 | 3473 | void SSL_set_debug(SSL *s, int debug) |
0f113f3e MC |
3474 | { |
3475 | s->debug = debug; | |
3476 | } | |
08557cf2 DSH |
3477 | |
3478 | int SSL_cache_hit(SSL *s) | |
0f113f3e MC |
3479 | { |
3480 | return s->hit; | |
3481 | } | |
08557cf2 | 3482 | |
87adf1fa | 3483 | int SSL_is_server(SSL *s) |
0f113f3e MC |
3484 | { |
3485 | return s->server; | |
3486 | } | |
87adf1fa | 3487 | |
b362ccab | 3488 | void SSL_set_security_level(SSL *s, int level) |
0f113f3e MC |
3489 | { |
3490 | s->cert->sec_level = level; | |
3491 | } | |
b362ccab DSH |
3492 | |
3493 | int SSL_get_security_level(const SSL *s) | |
0f113f3e MC |
3494 | { |
3495 | return s->cert->sec_level; | |
3496 | } | |
b362ccab | 3497 | |
0f113f3e MC |
3498 | void SSL_set_security_callback(SSL *s, |
3499 | int (*cb) (SSL *s, SSL_CTX *ctx, int op, | |
3500 | int bits, int nid, void *other, | |
3501 | void *ex)) | |
3502 | { | |
3503 | s->cert->sec_cb = cb; | |
3504 | } | |
b362ccab | 3505 | |
0f113f3e MC |
3506 | int (*SSL_get_security_callback(const SSL *s)) (SSL *s, SSL_CTX *ctx, int op, |
3507 | int bits, int nid, | |
3508 | void *other, void *ex) { | |
3509 | return s->cert->sec_cb; | |
3510 | } | |
b362ccab DSH |
3511 | |
3512 | void SSL_set0_security_ex_data(SSL *s, void *ex) | |
0f113f3e MC |
3513 | { |
3514 | s->cert->sec_ex = ex; | |
3515 | } | |
b362ccab DSH |
3516 | |
3517 | void *SSL_get0_security_ex_data(const SSL *s) | |
0f113f3e MC |
3518 | { |
3519 | return s->cert->sec_ex; | |
3520 | } | |
b362ccab DSH |
3521 | |
3522 | void SSL_CTX_set_security_level(SSL_CTX *ctx, int level) | |
0f113f3e MC |
3523 | { |
3524 | ctx->cert->sec_level = level; | |
3525 | } | |
b362ccab DSH |
3526 | |
3527 | int SSL_CTX_get_security_level(const SSL_CTX *ctx) | |
0f113f3e MC |
3528 | { |
3529 | return ctx->cert->sec_level; | |
3530 | } | |
b362ccab | 3531 | |
0f113f3e MC |
3532 | void SSL_CTX_set_security_callback(SSL_CTX *ctx, |
3533 | int (*cb) (SSL *s, SSL_CTX *ctx, int op, | |
3534 | int bits, int nid, void *other, | |
3535 | void *ex)) | |
3536 | { | |
3537 | ctx->cert->sec_cb = cb; | |
3538 | } | |
b362ccab | 3539 | |
0f113f3e MC |
3540 | int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (SSL *s, |
3541 | SSL_CTX *ctx, | |
3542 | int op, int bits, | |
3543 | int nid, | |
3544 | void *other, | |
3545 | void *ex) { | |
3546 | return ctx->cert->sec_cb; | |
3547 | } | |
b362ccab DSH |
3548 | |
3549 | void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex) | |
0f113f3e MC |
3550 | { |
3551 | ctx->cert->sec_ex = ex; | |
3552 | } | |
b362ccab DSH |
3553 | |
3554 | void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx) | |
0f113f3e MC |
3555 | { |
3556 | return ctx->cert->sec_ex; | |
3557 | } | |
b362ccab | 3558 | |
0f113f3e | 3559 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |