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4f43d0e7 BL |
1 | /*! \file ssl/ssl_lib.c |
2 | * \brief Version independent SSL functions. | |
3 | */ | |
58964a49 | 4 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
5 | * All rights reserved. |
6 | * | |
7 | * This package is an SSL implementation written | |
8 | * by Eric Young (eay@cryptsoft.com). | |
9 | * The implementation was written so as to conform with Netscapes SSL. | |
10 | * | |
11 | * This library is free for commercial and non-commercial use as long as | |
12 | * the following conditions are aheared to. The following conditions | |
13 | * apply to all code found in this distribution, be it the RC4, RSA, | |
14 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
15 | * included with this distribution is covered by the same copyright terms | |
16 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
17 | * | |
18 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
19 | * the code are not to be removed. | |
20 | * If this package is used in a product, Eric Young should be given attribution | |
21 | * as the author of the parts of the library used. | |
22 | * This can be in the form of a textual message at program startup or | |
23 | * in documentation (online or textual) provided with the package. | |
24 | * | |
25 | * Redistribution and use in source and binary forms, with or without | |
26 | * modification, are permitted provided that the following conditions | |
27 | * are met: | |
28 | * 1. Redistributions of source code must retain the copyright | |
29 | * notice, this list of conditions and the following disclaimer. | |
30 | * 2. Redistributions in binary form must reproduce the above copyright | |
31 | * notice, this list of conditions and the following disclaimer in the | |
32 | * documentation and/or other materials provided with the distribution. | |
33 | * 3. All advertising materials mentioning features or use of this software | |
34 | * must display the following acknowledgement: | |
35 | * "This product includes cryptographic software written by | |
36 | * Eric Young (eay@cryptsoft.com)" | |
37 | * The word 'cryptographic' can be left out if the rouines from the library | |
38 | * being used are not cryptographic related :-). | |
39 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
40 | * the apps directory (application code) you must include an acknowledgement: | |
41 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
42 | * | |
43 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
44 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
46 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
47 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
48 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
49 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
50 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
51 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
52 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
53 | * SUCH DAMAGE. | |
54 | * | |
55 | * The licence and distribution terms for any publically available version or | |
56 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
57 | * copied and put under another distribution licence | |
58 | * [including the GNU Public Licence.] | |
59 | */ | |
bf21446a | 60 | /* ==================================================================== |
52b8dad8 | 61 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
bf21446a BM |
62 | * |
63 | * Redistribution and use in source and binary forms, with or without | |
64 | * modification, are permitted provided that the following conditions | |
65 | * are met: | |
66 | * | |
67 | * 1. Redistributions of source code must retain the above copyright | |
68 | * notice, this list of conditions and the following disclaimer. | |
69 | * | |
70 | * 2. Redistributions in binary form must reproduce the above copyright | |
71 | * notice, this list of conditions and the following disclaimer in | |
72 | * the documentation and/or other materials provided with the | |
73 | * distribution. | |
74 | * | |
75 | * 3. All advertising materials mentioning features or use of this | |
76 | * software must display the following acknowledgment: | |
77 | * "This product includes software developed by the OpenSSL Project | |
78 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
79 | * | |
80 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
81 | * endorse or promote products derived from this software without | |
82 | * prior written permission. For written permission, please contact | |
83 | * openssl-core@openssl.org. | |
84 | * | |
85 | * 5. Products derived from this software may not be called "OpenSSL" | |
86 | * nor may "OpenSSL" appear in their names without prior written | |
87 | * permission of the OpenSSL Project. | |
88 | * | |
89 | * 6. Redistributions of any form whatsoever must retain the following | |
90 | * acknowledgment: | |
91 | * "This product includes software developed by the OpenSSL Project | |
92 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
93 | * | |
94 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
95 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
96 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
97 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
98 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
99 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
100 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
101 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
102 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
103 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
104 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
105 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
106 | * ==================================================================== | |
107 | * | |
108 | * This product includes cryptographic software written by Eric Young | |
109 | * (eay@cryptsoft.com). This product includes software written by Tim | |
110 | * Hudson (tjh@cryptsoft.com). | |
111 | * | |
112 | */ | |
ea262260 BM |
113 | /* ==================================================================== |
114 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
115 | * ECC cipher suite support in OpenSSL originally developed by | |
116 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. | |
117 | */ | |
ddac1974 NL |
118 | /* ==================================================================== |
119 | * Copyright 2005 Nokia. All rights reserved. | |
120 | * | |
121 | * The portions of the attached software ("Contribution") is developed by | |
122 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
123 | * license. | |
124 | * | |
125 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
126 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
127 | * support (see RFC 4279) to OpenSSL. | |
128 | * | |
129 | * No patent licenses or other rights except those expressly stated in | |
130 | * the OpenSSL open source license shall be deemed granted or received | |
131 | * expressly, by implication, estoppel, or otherwise. | |
132 | * | |
133 | * No assurances are provided by Nokia that the Contribution does not | |
134 | * infringe the patent or other intellectual property rights of any third | |
135 | * party or that the license provides you with all the necessary rights | |
136 | * to make use of the Contribution. | |
137 | * | |
138 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
139 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
140 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
141 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
142 | * OTHERWISE. | |
143 | */ | |
bbb8de09 | 144 | |
027e257b BM |
145 | #ifdef REF_CHECK |
146 | # include <assert.h> | |
147 | #endif | |
d02b48c6 | 148 | #include <stdio.h> |
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 |
60a938c6 | 157 | #include <openssl/dh.h> |
3eeaab4b | 158 | #endif |
bdfe932d DSH |
159 | #ifndef OPENSSL_NO_ENGINE |
160 | #include <openssl/engine.h> | |
161 | #endif | |
d02b48c6 | 162 | |
9d1a01be | 163 | const char *SSL_version_str=OPENSSL_VERSION_TEXT; |
58964a49 | 164 | |
3ed449e9 | 165 | SSL3_ENC_METHOD ssl3_undef_enc_method={ |
dd9d233e | 166 | /* evil casts, but these functions are only called if there's a library bug */ |
245206ea BM |
167 | (int (*)(SSL *,int))ssl_undefined_function, |
168 | (int (*)(SSL *, unsigned char *, int))ssl_undefined_function, | |
58964a49 | 169 | ssl_undefined_function, |
245206ea BM |
170 | (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function, |
171 | (int (*)(SSL*, int))ssl_undefined_function, | |
81025661 | 172 | (int (*)(SSL *, const char*, int, unsigned char *))ssl_undefined_function, |
8215e7a9 | 173 | 0, /* finish_mac_length */ |
8164032a | 174 | (int (*)(SSL *, int, unsigned char *))ssl_undefined_function, |
8215e7a9 NL |
175 | NULL, /* client_finished_label */ |
176 | 0, /* client_finished_label_len */ | |
177 | NULL, /* server_finished_label */ | |
178 | 0, /* server_finished_label_len */ | |
179 | (int (*)(int))ssl_undefined_function | |
58964a49 | 180 | }; |
d02b48c6 | 181 | |
4f43d0e7 | 182 | int SSL_clear(SSL *s) |
d02b48c6 | 183 | { |
d02b48c6 | 184 | |
413c4f45 MC |
185 | if (s->method == NULL) |
186 | { | |
187 | SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED); | |
188 | return(0); | |
189 | } | |
d02b48c6 | 190 | |
d62bfb39 LJ |
191 | if (ssl_clear_bad_session(s)) |
192 | { | |
193 | SSL_SESSION_free(s->session); | |
194 | s->session=NULL; | |
195 | } | |
196 | ||
d02b48c6 RE |
197 | s->error=0; |
198 | s->hit=0; | |
413c4f45 | 199 | s->shutdown=0; |
d02b48c6 | 200 | |
a2a01589 BM |
201 | #if 0 /* Disabled since version 1.10 of this file (early return not |
202 | * needed because SSL_clear is not called when doing renegotiation) */ | |
d02b48c6 RE |
203 | /* This is set if we are doing dynamic renegotiation so keep |
204 | * the old cipher. It is sort of a SSL_clear_lite :-) */ | |
413c4f45 | 205 | if (s->new_session) return(1); |
a2a01589 BM |
206 | #else |
207 | if (s->new_session) | |
208 | { | |
5277d7cb | 209 | SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR); |
a2a01589 BM |
210 | return 0; |
211 | } | |
413c4f45 | 212 | #endif |
d02b48c6 | 213 | |
d02b48c6 RE |
214 | s->type=0; |
215 | ||
413c4f45 MC |
216 | s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT); |
217 | ||
d02b48c6 | 218 | s->version=s->method->version; |
413c4f45 | 219 | s->client_version=s->version; |
d02b48c6 | 220 | s->rwstate=SSL_NOTHING; |
d02b48c6 | 221 | s->rstate=SSL_ST_READ_HEADER; |
544ebbce | 222 | #if 0 |
413c4f45 | 223 | s->read_ahead=s->ctx->read_ahead; |
544ebbce | 224 | #endif |
d02b48c6 RE |
225 | |
226 | if (s->init_buf != NULL) | |
227 | { | |
228 | BUF_MEM_free(s->init_buf); | |
229 | s->init_buf=NULL; | |
230 | } | |
231 | ||
232 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
233 | ssl_clear_hash_ctx(&s->read_hash); |
234 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 | 235 | |
d02b48c6 RE |
236 | s->first_packet=0; |
237 | ||
413c4f45 MC |
238 | #if 1 |
239 | /* Check to see if we were changed into a different method, if | |
240 | * so, revert back if we are not doing session-id reuse. */ | |
979689aa | 241 | if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method)) |
413c4f45 MC |
242 | { |
243 | s->method->ssl_free(s); | |
244 | s->method=s->ctx->method; | |
245 | if (!s->method->ssl_new(s)) | |
246 | return(0); | |
247 | } | |
248 | else | |
249 | #endif | |
250 | s->method->ssl_clear(s); | |
251 | return(1); | |
d02b48c6 RE |
252 | } |
253 | ||
4f43d0e7 | 254 | /** Used to change an SSL_CTXs default SSL method type */ |
4ebb342f | 255 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx,const SSL_METHOD *meth) |
d02b48c6 | 256 | { |
f73e07cf | 257 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
258 | |
259 | ctx->method=meth; | |
260 | ||
261 | sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list), | |
b3f6fe91 DSH |
262 | &(ctx->cipher_list_by_id), |
263 | meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST); | |
f73e07cf | 264 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) |
d02b48c6 RE |
265 | { |
266 | SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); | |
267 | return(0); | |
268 | } | |
269 | return(1); | |
270 | } | |
271 | ||
4f43d0e7 | 272 | SSL *SSL_new(SSL_CTX *ctx) |
d02b48c6 RE |
273 | { |
274 | SSL *s; | |
275 | ||
276 | if (ctx == NULL) | |
277 | { | |
278 | SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX); | |
279 | return(NULL); | |
280 | } | |
281 | if (ctx->method == NULL) | |
282 | { | |
283 | SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); | |
284 | return(NULL); | |
285 | } | |
286 | ||
26a3a48d | 287 | s=(SSL *)OPENSSL_malloc(sizeof(SSL)); |
d02b48c6 RE |
288 | if (s == NULL) goto err; |
289 | memset(s,0,sizeof(SSL)); | |
290 | ||
bc36ee62 | 291 | #ifndef OPENSSL_NO_KRB5 |
f9b3bff6 | 292 | s->kssl_ctx = kssl_ctx_new(); |
bc36ee62 | 293 | #endif /* OPENSSL_NO_KRB5 */ |
f9b3bff6 | 294 | |
bf21446a BM |
295 | s->options=ctx->options; |
296 | s->mode=ctx->mode; | |
297 | s->max_cert_list=ctx->max_cert_list; | |
298 | ||
ca8e5b9b | 299 | if (ctx->cert != NULL) |
d02b48c6 | 300 | { |
ca8e5b9b BM |
301 | /* Earlier library versions used to copy the pointer to |
302 | * the CERT, not its contents; only when setting new | |
303 | * parameters for the per-SSL copy, ssl_cert_new would be | |
304 | * called (and the direct reference to the per-SSL_CTX | |
305 | * settings would be lost, but those still were indirectly | |
306 | * accessed for various purposes, and for that reason they | |
307 | * used to be known as s->ctx->default_cert). | |
308 | * Now we don't look at the SSL_CTX's CERT after having | |
309 | * duplicated it once. */ | |
310 | ||
311 | s->cert = ssl_cert_dup(ctx->cert); | |
312 | if (s->cert == NULL) | |
313 | goto err; | |
d02b48c6 RE |
314 | } |
315 | else | |
ca8e5b9b | 316 | s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */ |
bf21446a BM |
317 | |
318 | s->read_ahead=ctx->read_ahead; | |
319 | s->msg_callback=ctx->msg_callback; | |
320 | s->msg_callback_arg=ctx->msg_callback_arg; | |
413c4f45 | 321 | s->verify_mode=ctx->verify_mode; |
5d7c222d | 322 | #if 0 |
7f89714e | 323 | s->verify_depth=ctx->verify_depth; |
5d7c222d | 324 | #endif |
bf21446a | 325 | s->sid_ctx_length=ctx->sid_ctx_length; |
54a656ef | 326 | OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx); |
bf21446a | 327 | memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx)); |
d02b48c6 | 328 | s->verify_callback=ctx->default_verify_callback; |
dc644fe2 | 329 | s->generate_session_id=ctx->generate_session_id; |
5d7c222d DSH |
330 | |
331 | s->param = X509_VERIFY_PARAM_new(); | |
332 | if (!s->param) | |
333 | goto err; | |
334 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); | |
335 | #if 0 | |
13938ace DSH |
336 | s->purpose = ctx->purpose; |
337 | s->trust = ctx->trust; | |
5d7c222d | 338 | #endif |
bf21446a | 339 | s->quiet_shutdown=ctx->quiet_shutdown; |
566dda07 | 340 | s->max_send_fragment = ctx->max_send_fragment; |
bf21446a | 341 | |
d02b48c6 RE |
342 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); |
343 | s->ctx=ctx; | |
1aeb3da8 | 344 | #ifndef OPENSSL_NO_TLSEXT |
6434abbf DSH |
345 | s->tlsext_debug_cb = 0; |
346 | s->tlsext_debug_arg = NULL; | |
347 | s->tlsext_ticket_expected = 0; | |
67c8e7f4 DSH |
348 | s->tlsext_status_type = -1; |
349 | s->tlsext_status_expected = 0; | |
350 | s->tlsext_ocsp_ids = NULL; | |
351 | s->tlsext_ocsp_exts = NULL; | |
352 | s->tlsext_ocsp_resp = NULL; | |
353 | s->tlsext_ocsp_resplen = -1; | |
1aeb3da8 BM |
354 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); |
355 | s->initial_ctx=ctx; | |
356 | #endif | |
d02b48c6 RE |
357 | |
358 | s->verify_result=X509_V_OK; | |
359 | ||
360 | s->method=ctx->method; | |
361 | ||
362 | if (!s->method->ssl_new(s)) | |
d02b48c6 | 363 | goto err; |
d02b48c6 | 364 | |
58964a49 | 365 | s->references=1; |
413c4f45 | 366 | s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1; |
bf21446a | 367 | |
d02b48c6 | 368 | SSL_clear(s); |
58964a49 | 369 | |
79aa04ef | 370 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 371 | |
ddac1974 NL |
372 | #ifndef OPENSSL_NO_PSK |
373 | s->psk_client_callback=ctx->psk_client_callback; | |
374 | s->psk_server_callback=ctx->psk_server_callback; | |
375 | #endif | |
376 | ||
d02b48c6 RE |
377 | return(s); |
378 | err: | |
ca8e5b9b BM |
379 | if (s != NULL) |
380 | { | |
381 | if (s->cert != NULL) | |
382 | ssl_cert_free(s->cert); | |
383 | if (s->ctx != NULL) | |
384 | SSL_CTX_free(s->ctx); /* decrement reference count */ | |
26a3a48d | 385 | OPENSSL_free(s); |
ca8e5b9b | 386 | } |
d02b48c6 RE |
387 | SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE); |
388 | return(NULL); | |
389 | } | |
390 | ||
4eb77b26 BM |
391 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx, |
392 | unsigned int sid_ctx_len) | |
393 | { | |
54a656ef | 394 | if(sid_ctx_len > sizeof ctx->sid_ctx) |
4eb77b26 BM |
395 | { |
396 | SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
397 | return 0; | |
398 | } | |
399 | ctx->sid_ctx_length=sid_ctx_len; | |
400 | memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len); | |
401 | ||
402 | return 1; | |
403 | } | |
404 | ||
b4cadc6e BL |
405 | int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx, |
406 | unsigned int sid_ctx_len) | |
407 | { | |
408 | if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) | |
409 | { | |
410 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
411 | return 0; | |
412 | } | |
413 | ssl->sid_ctx_length=sid_ctx_len; | |
414 | memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len); | |
415 | ||
416 | return 1; | |
417 | } | |
418 | ||
dc644fe2 GT |
419 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
420 | { | |
421 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
422 | ctx->generate_session_id = cb; | |
423 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
424 | return 1; | |
425 | } | |
426 | ||
427 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
428 | { | |
429 | CRYPTO_w_lock(CRYPTO_LOCK_SSL); | |
430 | ssl->generate_session_id = cb; | |
431 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL); | |
432 | return 1; | |
433 | } | |
434 | ||
f85c9904 | 435 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
6343829a | 436 | unsigned int id_len) |
dc644fe2 GT |
437 | { |
438 | /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
439 | * we can "construct" a session to give us the desired check - ie. to | |
440 | * find if there's a session in the hash table that would conflict with | |
441 | * any new session built out of this id/id_len and the ssl_version in | |
f85c9904 | 442 | * use by this SSL. */ |
dc644fe2 | 443 | SSL_SESSION r, *p; |
54a656ef BL |
444 | |
445 | if(id_len > sizeof r.session_id) | |
446 | return 0; | |
447 | ||
f85c9904 | 448 | r.ssl_version = ssl->version; |
dc644fe2 GT |
449 | r.session_id_length = id_len; |
450 | memcpy(r.session_id, id, id_len); | |
ec0f1959 GT |
451 | /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a |
452 | * callback is calling us to check the uniqueness of a shorter ID, it | |
453 | * must be compared as a padded-out ID because that is what it will be | |
454 | * converted to when the callback has finished choosing it. */ | |
455 | if((r.ssl_version == SSL2_VERSION) && | |
456 | (id_len < SSL2_SSL_SESSION_ID_LENGTH)) | |
457 | { | |
458 | memset(r.session_id + id_len, 0, | |
459 | SSL2_SSL_SESSION_ID_LENGTH - id_len); | |
460 | r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH; | |
461 | } | |
dc644fe2 GT |
462 | |
463 | CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); | |
3c1d6bbc | 464 | p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r); |
dc644fe2 GT |
465 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); |
466 | return (p != NULL); | |
467 | } | |
468 | ||
bb7cd4e3 | 469 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
bf21446a | 470 | { |
5d7c222d | 471 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); |
bf21446a | 472 | } |
bb7cd4e3 DSH |
473 | |
474 | int SSL_set_purpose(SSL *s, int purpose) | |
bf21446a | 475 | { |
5d7c222d | 476 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); |
bf21446a | 477 | } |
926a56bf | 478 | |
bb7cd4e3 | 479 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
bf21446a | 480 | { |
5d7c222d | 481 | return X509_VERIFY_PARAM_set_trust(s->param, trust); |
bf21446a | 482 | } |
bb7cd4e3 DSH |
483 | |
484 | int SSL_set_trust(SSL *s, int trust) | |
bf21446a | 485 | { |
5d7c222d | 486 | return X509_VERIFY_PARAM_set_trust(s->param, trust); |
bf21446a | 487 | } |
bb7cd4e3 | 488 | |
ccf11751 DSH |
489 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) |
490 | { | |
491 | return X509_VERIFY_PARAM_set1(ctx->param, vpm); | |
492 | } | |
493 | ||
494 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) | |
495 | { | |
496 | return X509_VERIFY_PARAM_set1(ssl->param, vpm); | |
497 | } | |
498 | ||
4f43d0e7 | 499 | void SSL_free(SSL *s) |
d02b48c6 | 500 | { |
58964a49 RE |
501 | int i; |
502 | ||
e03ddfae BL |
503 | if(s == NULL) |
504 | return; | |
505 | ||
58964a49 RE |
506 | i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL); |
507 | #ifdef REF_PRINT | |
508 | REF_PRINT("SSL",s); | |
509 | #endif | |
510 | if (i > 0) return; | |
511 | #ifdef REF_CHECK | |
512 | if (i < 0) | |
513 | { | |
514 | fprintf(stderr,"SSL_free, bad reference count\n"); | |
515 | abort(); /* ok */ | |
516 | } | |
517 | #endif | |
518 | ||
5d7c222d DSH |
519 | if (s->param) |
520 | X509_VERIFY_PARAM_free(s->param); | |
521 | ||
79aa04ef | 522 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 523 | |
d02b48c6 RE |
524 | if (s->bbio != NULL) |
525 | { | |
526 | /* If the buffering BIO is in place, pop it off */ | |
527 | if (s->bbio == s->wbio) | |
528 | { | |
529 | s->wbio=BIO_pop(s->wbio); | |
530 | } | |
531 | BIO_free(s->bbio); | |
58964a49 | 532 | s->bbio=NULL; |
d02b48c6 RE |
533 | } |
534 | if (s->rbio != NULL) | |
535 | BIO_free_all(s->rbio); | |
536 | if ((s->wbio != NULL) && (s->wbio != s->rbio)) | |
537 | BIO_free_all(s->wbio); | |
538 | ||
539 | if (s->init_buf != NULL) BUF_MEM_free(s->init_buf); | |
540 | ||
541 | /* add extra stuff */ | |
f73e07cf BL |
542 | if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list); |
543 | if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
d02b48c6 RE |
544 | |
545 | /* Make the next call work :-) */ | |
546 | if (s->session != NULL) | |
547 | { | |
548 | ssl_clear_bad_session(s); | |
549 | SSL_SESSION_free(s->session); | |
550 | } | |
551 | ||
552 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
553 | ssl_clear_hash_ctx(&s->read_hash); |
554 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 RE |
555 | |
556 | if (s->cert != NULL) ssl_cert_free(s->cert); | |
557 | /* Free up if allocated */ | |
558 | ||
1aeb3da8 | 559 | #ifndef OPENSSL_NO_TLSEXT |
7587347b BL |
560 | if (s->tlsext_hostname) |
561 | OPENSSL_free(s->tlsext_hostname); | |
1aeb3da8 | 562 | if (s->initial_ctx) SSL_CTX_free(s->initial_ctx); |
dc1d1b69 BM |
563 | #ifndef OPENSSL_NO_EC |
564 | if (s->tlsext_ecpointformatlist) OPENSSL_free(s->tlsext_ecpointformatlist); | |
565 | if (s->tlsext_ellipticcurvelist) OPENSSL_free(s->tlsext_ellipticcurvelist); | |
566 | #endif /* OPENSSL_NO_EC */ | |
761772d7 | 567 | if (s->tlsext_opaque_prf_input) OPENSSL_free(s->tlsext_opaque_prf_input); |
67c8e7f4 DSH |
568 | if (s->tlsext_ocsp_exts) |
569 | sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, | |
570 | X509_EXTENSION_free); | |
571 | if (s->tlsext_ocsp_ids) | |
572 | sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free); | |
573 | if (s->tlsext_ocsp_resp) | |
574 | OPENSSL_free(s->tlsext_ocsp_resp); | |
1aeb3da8 | 575 | #endif |
d02b48c6 RE |
576 | |
577 | if (s->client_CA != NULL) | |
f73e07cf | 578 | sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free); |
d02b48c6 RE |
579 | |
580 | if (s->method != NULL) s->method->ssl_free(s); | |
581 | ||
7c3908dd DSH |
582 | if (s->ctx) SSL_CTX_free(s->ctx); |
583 | ||
0e6c20da RL |
584 | #ifndef OPENSSL_NO_KRB5 |
585 | if (s->kssl_ctx != NULL) | |
586 | kssl_ctx_free(s->kssl_ctx); | |
587 | #endif /* OPENSSL_NO_KRB5 */ | |
588 | ||
26a3a48d | 589 | OPENSSL_free(s); |
d02b48c6 RE |
590 | } |
591 | ||
4f43d0e7 | 592 | void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio) |
d02b48c6 RE |
593 | { |
594 | /* If the output buffering BIO is still in place, remove it | |
595 | */ | |
596 | if (s->bbio != NULL) | |
597 | { | |
598 | if (s->wbio == s->bbio) | |
599 | { | |
600 | s->wbio=s->wbio->next_bio; | |
601 | s->bbio->next_bio=NULL; | |
602 | } | |
603 | } | |
604 | if ((s->rbio != NULL) && (s->rbio != rbio)) | |
605 | BIO_free_all(s->rbio); | |
606 | if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio)) | |
607 | BIO_free_all(s->wbio); | |
608 | s->rbio=rbio; | |
609 | s->wbio=wbio; | |
610 | } | |
611 | ||
0821bcd4 | 612 | BIO *SSL_get_rbio(const SSL *s) |
d02b48c6 RE |
613 | { return(s->rbio); } |
614 | ||
0821bcd4 | 615 | BIO *SSL_get_wbio(const SSL *s) |
d02b48c6 RE |
616 | { return(s->wbio); } |
617 | ||
0821bcd4 | 618 | int SSL_get_fd(const SSL *s) |
24cbf3ef | 619 | { |
fa293e4e | 620 | return(SSL_get_rfd(s)); |
24cbf3ef RL |
621 | } |
622 | ||
0821bcd4 | 623 | int SSL_get_rfd(const SSL *s) |
d02b48c6 RE |
624 | { |
625 | int ret= -1; | |
626 | BIO *b,*r; | |
627 | ||
628 | b=SSL_get_rbio(s); | |
629 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
630 | if (r != NULL) | |
631 | BIO_get_fd(r,&ret); | |
632 | return(ret); | |
633 | } | |
634 | ||
0821bcd4 | 635 | int SSL_get_wfd(const SSL *s) |
24cbf3ef RL |
636 | { |
637 | int ret= -1; | |
638 | BIO *b,*r; | |
639 | ||
640 | b=SSL_get_wbio(s); | |
641 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
642 | if (r != NULL) | |
643 | BIO_get_fd(r,&ret); | |
644 | return(ret); | |
645 | } | |
646 | ||
bc36ee62 | 647 | #ifndef OPENSSL_NO_SOCK |
4f43d0e7 | 648 | int SSL_set_fd(SSL *s,int fd) |
d02b48c6 RE |
649 | { |
650 | int ret=0; | |
651 | BIO *bio=NULL; | |
652 | ||
653 | bio=BIO_new(BIO_s_socket()); | |
654 | ||
655 | if (bio == NULL) | |
656 | { | |
657 | SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB); | |
658 | goto err; | |
659 | } | |
660 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
661 | SSL_set_bio(s,bio,bio); | |
662 | ret=1; | |
663 | err: | |
664 | return(ret); | |
665 | } | |
666 | ||
4f43d0e7 | 667 | int SSL_set_wfd(SSL *s,int fd) |
d02b48c6 RE |
668 | { |
669 | int ret=0; | |
670 | BIO *bio=NULL; | |
671 | ||
58964a49 RE |
672 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) |
673 | || ((int)BIO_get_fd(s->rbio,NULL) != fd)) | |
674 | { | |
675 | bio=BIO_new(BIO_s_socket()); | |
d02b48c6 | 676 | |
58964a49 RE |
677 | if (bio == NULL) |
678 | { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; } | |
679 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
680 | SSL_set_bio(s,SSL_get_rbio(s),bio); | |
681 | } | |
682 | else | |
683 | SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s)); | |
d02b48c6 RE |
684 | ret=1; |
685 | err: | |
686 | return(ret); | |
687 | } | |
688 | ||
4f43d0e7 | 689 | int SSL_set_rfd(SSL *s,int fd) |
d02b48c6 RE |
690 | { |
691 | int ret=0; | |
692 | BIO *bio=NULL; | |
693 | ||
58964a49 RE |
694 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) |
695 | || ((int)BIO_get_fd(s->wbio,NULL) != fd)) | |
d02b48c6 | 696 | { |
58964a49 RE |
697 | bio=BIO_new(BIO_s_socket()); |
698 | ||
699 | if (bio == NULL) | |
700 | { | |
701 | SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB); | |
702 | goto err; | |
703 | } | |
704 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
705 | SSL_set_bio(s,bio,SSL_get_wbio(s)); | |
d02b48c6 | 706 | } |
58964a49 RE |
707 | else |
708 | SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s)); | |
d02b48c6 RE |
709 | ret=1; |
710 | err: | |
711 | return(ret); | |
712 | } | |
713 | #endif | |
714 | ||
ca03109c BM |
715 | |
716 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 717 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
ca03109c BM |
718 | { |
719 | size_t ret = 0; | |
720 | ||
721 | if (s->s3 != NULL) | |
722 | { | |
723 | ret = s->s3->tmp.finish_md_len; | |
724 | if (count > ret) | |
725 | count = ret; | |
726 | memcpy(buf, s->s3->tmp.finish_md, count); | |
727 | } | |
728 | return ret; | |
729 | } | |
730 | ||
731 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 732 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
ca03109c BM |
733 | { |
734 | size_t ret = 0; | |
735 | ||
736 | if (s->s3 != NULL) | |
737 | { | |
738 | ret = s->s3->tmp.peer_finish_md_len; | |
739 | if (count > ret) | |
740 | count = ret; | |
741 | memcpy(buf, s->s3->tmp.peer_finish_md, count); | |
742 | } | |
743 | return ret; | |
744 | } | |
745 | ||
746 | ||
0821bcd4 | 747 | int SSL_get_verify_mode(const SSL *s) |
d02b48c6 RE |
748 | { |
749 | return(s->verify_mode); | |
750 | } | |
751 | ||
0821bcd4 | 752 | int SSL_get_verify_depth(const SSL *s) |
7f89714e | 753 | { |
5d7c222d | 754 | return X509_VERIFY_PARAM_get_depth(s->param); |
7f89714e BM |
755 | } |
756 | ||
0821bcd4 | 757 | int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *) |
d02b48c6 RE |
758 | { |
759 | return(s->verify_callback); | |
760 | } | |
761 | ||
0821bcd4 | 762 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
d02b48c6 | 763 | { |
413c4f45 | 764 | return(ctx->verify_mode); |
d02b48c6 RE |
765 | } |
766 | ||
0821bcd4 | 767 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
7f89714e | 768 | { |
5d7c222d | 769 | return X509_VERIFY_PARAM_get_depth(ctx->param); |
7f89714e BM |
770 | } |
771 | ||
0821bcd4 | 772 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *) |
d02b48c6 RE |
773 | { |
774 | return(ctx->default_verify_callback); | |
775 | } | |
776 | ||
49bc2624 BL |
777 | void SSL_set_verify(SSL *s,int mode, |
778 | int (*callback)(int ok,X509_STORE_CTX *ctx)) | |
d02b48c6 RE |
779 | { |
780 | s->verify_mode=mode; | |
781 | if (callback != NULL) | |
782 | s->verify_callback=callback; | |
783 | } | |
784 | ||
7f89714e BM |
785 | void SSL_set_verify_depth(SSL *s,int depth) |
786 | { | |
5d7c222d | 787 | X509_VERIFY_PARAM_set_depth(s->param, depth); |
7f89714e BM |
788 | } |
789 | ||
4f43d0e7 | 790 | void SSL_set_read_ahead(SSL *s,int yes) |
d02b48c6 RE |
791 | { |
792 | s->read_ahead=yes; | |
793 | } | |
794 | ||
0821bcd4 | 795 | int SSL_get_read_ahead(const SSL *s) |
d02b48c6 RE |
796 | { |
797 | return(s->read_ahead); | |
798 | } | |
799 | ||
0821bcd4 | 800 | int SSL_pending(const SSL *s) |
d02b48c6 | 801 | { |
24b44446 BM |
802 | /* SSL_pending cannot work properly if read-ahead is enabled |
803 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), | |
804 | * and it is impossible to fix since SSL_pending cannot report | |
805 | * errors that may be observed while scanning the new data. | |
806 | * (Note that SSL_pending() is often used as a boolean value, | |
807 | * so we'd better not return -1.) | |
808 | */ | |
d02b48c6 RE |
809 | return(s->method->ssl_pending(s)); |
810 | } | |
811 | ||
0821bcd4 | 812 | X509 *SSL_get_peer_certificate(const SSL *s) |
d02b48c6 RE |
813 | { |
814 | X509 *r; | |
815 | ||
816 | if ((s == NULL) || (s->session == NULL)) | |
817 | r=NULL; | |
818 | else | |
819 | r=s->session->peer; | |
820 | ||
821 | if (r == NULL) return(r); | |
822 | ||
823 | CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509); | |
824 | ||
825 | return(r); | |
826 | } | |
827 | ||
0821bcd4 | 828 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
d02b48c6 | 829 | { |
f73e07cf | 830 | STACK_OF(X509) *r; |
d02b48c6 | 831 | |
9d5cceac | 832 | if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL)) |
d02b48c6 RE |
833 | r=NULL; |
834 | else | |
9d5cceac | 835 | r=s->session->sess_cert->cert_chain; |
d02b48c6 | 836 | |
98e04f9e BM |
837 | /* If we are a client, cert_chain includes the peer's own |
838 | * certificate; if we are a server, it does not. */ | |
839 | ||
d02b48c6 RE |
840 | return(r); |
841 | } | |
842 | ||
843 | /* Now in theory, since the calling process own 't' it should be safe to | |
844 | * modify. We need to be able to read f without being hassled */ | |
0821bcd4 | 845 | void SSL_copy_session_id(SSL *t,const SSL *f) |
d02b48c6 RE |
846 | { |
847 | CERT *tmp; | |
848 | ||
849 | /* Do we need to to SSL locking? */ | |
850 | SSL_set_session(t,SSL_get_session(f)); | |
851 | ||
852 | /* what if we are setup as SSLv2 but want to talk SSLv3 or | |
853 | * vice-versa */ | |
854 | if (t->method != f->method) | |
855 | { | |
856 | t->method->ssl_free(t); /* cleanup current */ | |
857 | t->method=f->method; /* change method */ | |
858 | t->method->ssl_new(t); /* setup new */ | |
859 | } | |
860 | ||
861 | tmp=t->cert; | |
862 | if (f->cert != NULL) | |
863 | { | |
864 | CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT); | |
865 | t->cert=f->cert; | |
866 | } | |
867 | else | |
868 | t->cert=NULL; | |
869 | if (tmp != NULL) ssl_cert_free(tmp); | |
b4cadc6e | 870 | SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length); |
d02b48c6 RE |
871 | } |
872 | ||
58964a49 | 873 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 874 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
d02b48c6 RE |
875 | { |
876 | if ( (ctx == NULL) || | |
ca8e5b9b BM |
877 | (ctx->cert == NULL) || |
878 | (ctx->cert->key->x509 == NULL)) | |
d02b48c6 RE |
879 | { |
880 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
881 | return(0); | |
882 | } | |
ca8e5b9b | 883 | if (ctx->cert->key->privatekey == NULL) |
d02b48c6 RE |
884 | { |
885 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
886 | return(0); | |
887 | } | |
ca8e5b9b | 888 | return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey)); |
d02b48c6 RE |
889 | } |
890 | ||
58964a49 | 891 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 892 | int SSL_check_private_key(const SSL *ssl) |
d02b48c6 RE |
893 | { |
894 | if (ssl == NULL) | |
895 | { | |
896 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER); | |
897 | return(0); | |
898 | } | |
f3e67ac1 | 899 | if (ssl->cert == NULL) |
2b8e4959 | 900 | { |
52b8dad8 | 901 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); |
f3e67ac1 | 902 | return 0; |
2b8e4959 | 903 | } |
d02b48c6 RE |
904 | if (ssl->cert->key->x509 == NULL) |
905 | { | |
906 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
907 | return(0); | |
908 | } | |
909 | if (ssl->cert->key->privatekey == NULL) | |
910 | { | |
911 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
912 | return(0); | |
913 | } | |
914 | return(X509_check_private_key(ssl->cert->key->x509, | |
915 | ssl->cert->key->privatekey)); | |
916 | } | |
917 | ||
4f43d0e7 | 918 | int SSL_accept(SSL *s) |
d02b48c6 | 919 | { |
b31b04d9 BM |
920 | if (s->handshake_func == 0) |
921 | /* Not properly initialized yet */ | |
922 | SSL_set_accept_state(s); | |
923 | ||
d02b48c6 RE |
924 | return(s->method->ssl_accept(s)); |
925 | } | |
926 | ||
4f43d0e7 | 927 | int SSL_connect(SSL *s) |
d02b48c6 | 928 | { |
b31b04d9 BM |
929 | if (s->handshake_func == 0) |
930 | /* Not properly initialized yet */ | |
931 | SSL_set_connect_state(s); | |
932 | ||
d02b48c6 RE |
933 | return(s->method->ssl_connect(s)); |
934 | } | |
935 | ||
0821bcd4 | 936 | long SSL_get_default_timeout(const SSL *s) |
d02b48c6 RE |
937 | { |
938 | return(s->method->get_timeout()); | |
939 | } | |
940 | ||
e34cfcf7 | 941 | int SSL_read(SSL *s,void *buf,int num) |
d02b48c6 | 942 | { |
b31b04d9 BM |
943 | if (s->handshake_func == 0) |
944 | { | |
ff712220 | 945 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
946 | return -1; |
947 | } | |
948 | ||
d02b48c6 RE |
949 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
950 | { | |
951 | s->rwstate=SSL_NOTHING; | |
952 | return(0); | |
953 | } | |
954 | return(s->method->ssl_read(s,buf,num)); | |
955 | } | |
956 | ||
e34cfcf7 | 957 | int SSL_peek(SSL *s,void *buf,int num) |
d02b48c6 | 958 | { |
5451e0d9 BM |
959 | if (s->handshake_func == 0) |
960 | { | |
aa4ce731 | 961 | SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED); |
5451e0d9 BM |
962 | return -1; |
963 | } | |
964 | ||
d02b48c6 RE |
965 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
966 | { | |
967 | return(0); | |
968 | } | |
969 | return(s->method->ssl_peek(s,buf,num)); | |
970 | } | |
971 | ||
e34cfcf7 | 972 | int SSL_write(SSL *s,const void *buf,int num) |
d02b48c6 | 973 | { |
b31b04d9 BM |
974 | if (s->handshake_func == 0) |
975 | { | |
ff712220 | 976 | SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
977 | return -1; |
978 | } | |
979 | ||
d02b48c6 RE |
980 | if (s->shutdown & SSL_SENT_SHUTDOWN) |
981 | { | |
982 | s->rwstate=SSL_NOTHING; | |
983 | SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN); | |
984 | return(-1); | |
985 | } | |
986 | return(s->method->ssl_write(s,buf,num)); | |
987 | } | |
988 | ||
4f43d0e7 | 989 | int SSL_shutdown(SSL *s) |
d02b48c6 | 990 | { |
d3407350 | 991 | /* Note that this function behaves differently from what one might |
e2e3d5ce BM |
992 | * expect. Return values are 0 for no success (yet), |
993 | * 1 for success; but calling it once is usually not enough, | |
994 | * even if blocking I/O is used (see ssl3_shutdown). | |
995 | */ | |
996 | ||
b31b04d9 BM |
997 | if (s->handshake_func == 0) |
998 | { | |
ff712220 | 999 | SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
1000 | return -1; |
1001 | } | |
1002 | ||
d02b48c6 RE |
1003 | if ((s != NULL) && !SSL_in_init(s)) |
1004 | return(s->method->ssl_shutdown(s)); | |
1005 | else | |
1006 | return(1); | |
1007 | } | |
1008 | ||
4f43d0e7 | 1009 | int SSL_renegotiate(SSL *s) |
d02b48c6 | 1010 | { |
8c74b5e5 BM |
1011 | if (s->new_session == 0) |
1012 | { | |
1013 | s->new_session=1; | |
1014 | } | |
d02b48c6 RE |
1015 | return(s->method->ssl_renegotiate(s)); |
1016 | } | |
1017 | ||
6b0e9fac BM |
1018 | int SSL_renegotiate_pending(SSL *s) |
1019 | { | |
1020 | /* becomes true when negotiation is requested; | |
1021 | * false again once a handshake has finished */ | |
1022 | return (s->new_session != 0); | |
1023 | } | |
1024 | ||
a661b653 | 1025 | long SSL_ctrl(SSL *s,int cmd,long larg,void *parg) |
d02b48c6 | 1026 | { |
413c4f45 MC |
1027 | long l; |
1028 | ||
1029 | switch (cmd) | |
1030 | { | |
1031 | case SSL_CTRL_GET_READ_AHEAD: | |
1032 | return(s->read_ahead); | |
1033 | case SSL_CTRL_SET_READ_AHEAD: | |
1034 | l=s->read_ahead; | |
1035 | s->read_ahead=larg; | |
1036 | return(l); | |
bf21446a BM |
1037 | |
1038 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1039 | s->msg_callback_arg = parg; | |
1040 | return 1; | |
1041 | ||
413c4f45 MC |
1042 | case SSL_CTRL_OPTIONS: |
1043 | return(s->options|=larg); | |
7661ccad DSH |
1044 | case SSL_CTRL_CLEAR_OPTIONS: |
1045 | return(s->options&=~larg); | |
e1056435 BM |
1046 | case SSL_CTRL_MODE: |
1047 | return(s->mode|=larg); | |
7661ccad DSH |
1048 | case SSL_CTRL_CLEAR_MODE: |
1049 | return(s->mode &=~larg); | |
c0f5dd07 LJ |
1050 | case SSL_CTRL_GET_MAX_CERT_LIST: |
1051 | return(s->max_cert_list); | |
1052 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1053 | l=s->max_cert_list; | |
1054 | s->max_cert_list=larg; | |
1055 | return(l); | |
36d16f8e | 1056 | case SSL_CTRL_SET_MTU: |
8711efb4 DSH |
1057 | if (SSL_version(s) == DTLS1_VERSION || |
1058 | SSL_version(s) == DTLS1_BAD_VER) | |
36d16f8e BL |
1059 | { |
1060 | s->d1->mtu = larg; | |
1061 | return larg; | |
1062 | } | |
1063 | return 0; | |
566dda07 DSH |
1064 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
1065 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1066 | return 0; | |
1067 | s->max_send_fragment = larg; | |
1068 | return 1; | |
5430200b DSH |
1069 | case SSL_CTRL_GET_RI_SUPPORT: |
1070 | if (s->s3) | |
1071 | return s->s3->send_connection_binding; | |
1072 | else return 0; | |
413c4f45 MC |
1073 | default: |
1074 | return(s->method->ssl_ctrl(s,cmd,larg,parg)); | |
1075 | } | |
d02b48c6 RE |
1076 | } |
1077 | ||
41a15c4f | 1078 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) |
d3442bc7 RL |
1079 | { |
1080 | switch(cmd) | |
1081 | { | |
bf21446a | 1082 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 1083 | s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp); |
bf21446a BM |
1084 | return 1; |
1085 | ||
d3442bc7 RL |
1086 | default: |
1087 | return(s->method->ssl_callback_ctrl(s,cmd,fp)); | |
1088 | } | |
1089 | } | |
1090 | ||
3c1d6bbc | 1091 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
1e7396be RL |
1092 | { |
1093 | return ctx->sessions; | |
1094 | } | |
1095 | ||
a661b653 | 1096 | long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg) |
d02b48c6 | 1097 | { |
413c4f45 MC |
1098 | long l; |
1099 | ||
1100 | switch (cmd) | |
1101 | { | |
1102 | case SSL_CTRL_GET_READ_AHEAD: | |
1103 | return(ctx->read_ahead); | |
1104 | case SSL_CTRL_SET_READ_AHEAD: | |
1105 | l=ctx->read_ahead; | |
1106 | ctx->read_ahead=larg; | |
1107 | return(l); | |
bf21446a BM |
1108 | |
1109 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1110 | ctx->msg_callback_arg = parg; | |
1111 | return 1; | |
1112 | ||
c0f5dd07 LJ |
1113 | case SSL_CTRL_GET_MAX_CERT_LIST: |
1114 | return(ctx->max_cert_list); | |
1115 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1116 | l=ctx->max_cert_list; | |
1117 | ctx->max_cert_list=larg; | |
1118 | return(l); | |
413c4f45 MC |
1119 | |
1120 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
1121 | l=ctx->session_cache_size; | |
1122 | ctx->session_cache_size=larg; | |
1123 | return(l); | |
1124 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
1125 | return(ctx->session_cache_size); | |
1126 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
1127 | l=ctx->session_cache_mode; | |
1128 | ctx->session_cache_mode=larg; | |
1129 | return(l); | |
1130 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
1131 | return(ctx->session_cache_mode); | |
1132 | ||
1133 | case SSL_CTRL_SESS_NUMBER: | |
3c1d6bbc | 1134 | return(lh_SSL_SESSION_num_items(ctx->sessions)); |
413c4f45 MC |
1135 | case SSL_CTRL_SESS_CONNECT: |
1136 | return(ctx->stats.sess_connect); | |
1137 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
1138 | return(ctx->stats.sess_connect_good); | |
1139 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
1140 | return(ctx->stats.sess_connect_renegotiate); | |
1141 | case SSL_CTRL_SESS_ACCEPT: | |
1142 | return(ctx->stats.sess_accept); | |
1143 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
1144 | return(ctx->stats.sess_accept_good); | |
1145 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
1146 | return(ctx->stats.sess_accept_renegotiate); | |
1147 | case SSL_CTRL_SESS_HIT: | |
1148 | return(ctx->stats.sess_hit); | |
1149 | case SSL_CTRL_SESS_CB_HIT: | |
1150 | return(ctx->stats.sess_cb_hit); | |
1151 | case SSL_CTRL_SESS_MISSES: | |
1152 | return(ctx->stats.sess_miss); | |
1153 | case SSL_CTRL_SESS_TIMEOUTS: | |
1154 | return(ctx->stats.sess_timeout); | |
1155 | case SSL_CTRL_SESS_CACHE_FULL: | |
1156 | return(ctx->stats.sess_cache_full); | |
1157 | case SSL_CTRL_OPTIONS: | |
1158 | return(ctx->options|=larg); | |
7661ccad DSH |
1159 | case SSL_CTRL_CLEAR_OPTIONS: |
1160 | return(ctx->options&=~larg); | |
e1056435 BM |
1161 | case SSL_CTRL_MODE: |
1162 | return(ctx->mode|=larg); | |
7661ccad DSH |
1163 | case SSL_CTRL_CLEAR_MODE: |
1164 | return(ctx->mode&=~larg); | |
566dda07 DSH |
1165 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
1166 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1167 | return 0; | |
1168 | ctx->max_send_fragment = larg; | |
1169 | return 1; | |
413c4f45 MC |
1170 | default: |
1171 | return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg)); | |
1172 | } | |
d02b48c6 RE |
1173 | } |
1174 | ||
41a15c4f | 1175 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) |
d3442bc7 RL |
1176 | { |
1177 | switch(cmd) | |
1178 | { | |
bf21446a | 1179 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 1180 | ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp); |
bf21446a BM |
1181 | return 1; |
1182 | ||
d3442bc7 RL |
1183 | default: |
1184 | return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp)); | |
1185 | } | |
1186 | } | |
1187 | ||
ccd86b68 | 1188 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
d02b48c6 RE |
1189 | { |
1190 | long l; | |
1191 | ||
1192 | l=a->id-b->id; | |
1193 | if (l == 0L) | |
1194 | return(0); | |
1195 | else | |
1196 | return((l > 0)?1:-1); | |
1197 | } | |
1198 | ||
ccd86b68 GT |
1199 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, |
1200 | const SSL_CIPHER * const *bp) | |
d02b48c6 RE |
1201 | { |
1202 | long l; | |
1203 | ||
1204 | l=(*ap)->id-(*bp)->id; | |
1205 | if (l == 0L) | |
1206 | return(0); | |
1207 | else | |
1208 | return((l > 0)?1:-1); | |
1209 | } | |
1210 | ||
4f43d0e7 | 1211 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1212 | * preference */ |
0821bcd4 | 1213 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
d02b48c6 | 1214 | { |
28b958f7 | 1215 | if (s != NULL) |
d02b48c6 | 1216 | { |
28b958f7 RL |
1217 | if (s->cipher_list != NULL) |
1218 | { | |
1219 | return(s->cipher_list); | |
1220 | } | |
1221 | else if ((s->ctx != NULL) && | |
1222 | (s->ctx->cipher_list != NULL)) | |
1223 | { | |
1224 | return(s->ctx->cipher_list); | |
1225 | } | |
d02b48c6 RE |
1226 | } |
1227 | return(NULL); | |
1228 | } | |
1229 | ||
4f43d0e7 | 1230 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1231 | * algorithm id */ |
f73e07cf | 1232 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
d02b48c6 | 1233 | { |
28b958f7 | 1234 | if (s != NULL) |
d02b48c6 | 1235 | { |
28b958f7 RL |
1236 | if (s->cipher_list_by_id != NULL) |
1237 | { | |
1238 | return(s->cipher_list_by_id); | |
1239 | } | |
1240 | else if ((s->ctx != NULL) && | |
1241 | (s->ctx->cipher_list_by_id != NULL)) | |
1242 | { | |
1243 | return(s->ctx->cipher_list_by_id); | |
1244 | } | |
d02b48c6 RE |
1245 | } |
1246 | return(NULL); | |
1247 | } | |
1248 | ||
4f43d0e7 | 1249 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0821bcd4 | 1250 | const char *SSL_get_cipher_list(const SSL *s,int n) |
d02b48c6 RE |
1251 | { |
1252 | SSL_CIPHER *c; | |
f73e07cf | 1253 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1254 | |
1255 | if (s == NULL) return(NULL); | |
1256 | sk=SSL_get_ciphers(s); | |
f73e07cf | 1257 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) |
d02b48c6 | 1258 | return(NULL); |
f73e07cf | 1259 | c=sk_SSL_CIPHER_value(sk,n); |
d02b48c6 RE |
1260 | if (c == NULL) return(NULL); |
1261 | return(c->name); | |
1262 | } | |
1263 | ||
25f923dd | 1264 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 1265 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
d02b48c6 | 1266 | { |
f73e07cf | 1267 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1268 | |
1269 | sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list, | |
1270 | &ctx->cipher_list_by_id,str); | |
f0747cd9 NL |
1271 | /* ssl_create_cipher_list may return an empty stack if it |
1272 | * was unable to find a cipher matching the given rule string | |
1273 | * (for example if the rule string specifies a cipher which | |
52b8dad8 BM |
1274 | * has been disabled). This is not an error as far as |
1275 | * ssl_create_cipher_list is concerned, and hence | |
f0747cd9 NL |
1276 | * ctx->cipher_list and ctx->cipher_list_by_id has been |
1277 | * updated. */ | |
1278 | if (sk == NULL) | |
1279 | return 0; | |
1280 | else if (sk_SSL_CIPHER_num(sk) == 0) | |
1281 | { | |
1282 | SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1283 | return 0; | |
1284 | } | |
1285 | return 1; | |
d02b48c6 RE |
1286 | } |
1287 | ||
4f43d0e7 | 1288 | /** specify the ciphers to be used by the SSL */ |
018e57c7 | 1289 | int SSL_set_cipher_list(SSL *s,const char *str) |
d02b48c6 | 1290 | { |
f73e07cf | 1291 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1292 | |
1293 | sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list, | |
1294 | &s->cipher_list_by_id,str); | |
f0747cd9 NL |
1295 | /* see comment in SSL_CTX_set_cipher_list */ |
1296 | if (sk == NULL) | |
1297 | return 0; | |
1298 | else if (sk_SSL_CIPHER_num(sk) == 0) | |
1299 | { | |
1300 | SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1301 | return 0; | |
1302 | } | |
1303 | return 1; | |
d02b48c6 RE |
1304 | } |
1305 | ||
1306 | /* works well for SSLv2, not so good for SSLv3 */ | |
0821bcd4 | 1307 | char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len) |
d02b48c6 | 1308 | { |
e778802f | 1309 | char *p; |
f73e07cf | 1310 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1311 | SSL_CIPHER *c; |
1312 | int i; | |
1313 | ||
1314 | if ((s->session == NULL) || (s->session->ciphers == NULL) || | |
1315 | (len < 2)) | |
1316 | return(NULL); | |
1317 | ||
1318 | p=buf; | |
1319 | sk=s->session->ciphers; | |
f73e07cf | 1320 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1321 | { |
4f19a9cb DSH |
1322 | int n; |
1323 | ||
f73e07cf | 1324 | c=sk_SSL_CIPHER_value(sk,i); |
4f19a9cb DSH |
1325 | n=strlen(c->name); |
1326 | if (n+1 > len) | |
d02b48c6 | 1327 | { |
4f19a9cb DSH |
1328 | if (p != buf) |
1329 | --p; | |
1330 | *p='\0'; | |
1331 | return buf; | |
d02b48c6 | 1332 | } |
4f19a9cb DSH |
1333 | strcpy(p,c->name); |
1334 | p+=n; | |
d02b48c6 | 1335 | *(p++)=':'; |
4f19a9cb | 1336 | len-=n+1; |
d02b48c6 RE |
1337 | } |
1338 | p[-1]='\0'; | |
1339 | return(buf); | |
1340 | } | |
1341 | ||
c6c2e313 | 1342 | int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, |
52b8dad8 | 1343 | int (*put_cb)(const SSL_CIPHER *, unsigned char *)) |
d02b48c6 RE |
1344 | { |
1345 | int i,j=0; | |
1346 | SSL_CIPHER *c; | |
1347 | unsigned char *q; | |
a5224c34 | 1348 | #ifndef OPENSSL_NO_KRB5 |
52b8dad8 | 1349 | int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx); |
a5224c34 | 1350 | #endif /* OPENSSL_NO_KRB5 */ |
d02b48c6 RE |
1351 | |
1352 | if (sk == NULL) return(0); | |
1353 | q=p; | |
1354 | ||
f73e07cf | 1355 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1356 | { |
f73e07cf | 1357 | c=sk_SSL_CIPHER_value(sk,i); |
a5224c34 | 1358 | #ifndef OPENSSL_NO_KRB5 |
52b8dad8 BM |
1359 | if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) && |
1360 | nokrb5) | |
1361 | continue; | |
1362 | #endif /* OPENSSL_NO_KRB5 */ | |
ddac1974 NL |
1363 | #ifndef OPENSSL_NO_PSK |
1364 | /* with PSK there must be client callback set */ | |
52b8dad8 BM |
1365 | if (((c->algorithm_mkey & SSL_kPSK) || (c->algorithm_auth & SSL_aPSK)) && |
1366 | s->psk_client_callback == NULL) | |
ddac1974 NL |
1367 | continue; |
1368 | #endif /* OPENSSL_NO_PSK */ | |
c6c2e313 | 1369 | j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p); |
d02b48c6 RE |
1370 | p+=j; |
1371 | } | |
76998a71 DSH |
1372 | /* If p == q, no ciphers and caller indicates an error. Otherwise |
1373 | * add SCSV if no extensions (i.e. SSL3 is client_version) | |
1374 | * since spec RECOMMENDS not sending both RI and SCSV. | |
13f6d57b | 1375 | */ |
76998a71 | 1376 | if (p != q && !s->new_session && s->client_version == SSL3_VERSION) |
13f6d57b | 1377 | { |
73527122 | 1378 | static SSL_CIPHER scsv = |
13f6d57b | 1379 | { |
d6801576 | 1380 | 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0 |
13f6d57b | 1381 | }; |
73527122 | 1382 | j = put_cb ? put_cb(&scsv,p) : ssl_put_cipher_by_char(s,&scsv,p); |
13f6d57b DSH |
1383 | p+=j; |
1384 | #ifdef OPENSSL_RI_DEBUG | |
d6801576 | 1385 | fprintf(stderr, "SCSV sent by client\n"); |
13f6d57b DSH |
1386 | #endif |
1387 | } | |
1388 | ||
d02b48c6 RE |
1389 | return(p-q); |
1390 | } | |
1391 | ||
f73e07cf BL |
1392 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, |
1393 | STACK_OF(SSL_CIPHER) **skp) | |
d02b48c6 | 1394 | { |
babb3798 | 1395 | const SSL_CIPHER *c; |
f73e07cf | 1396 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 | 1397 | int i,n; |
a8640f0a DSH |
1398 | if (s->s3) |
1399 | s->s3->send_connection_binding = 0; | |
13f6d57b | 1400 | |
d02b48c6 RE |
1401 | n=ssl_put_cipher_by_char(s,NULL,NULL); |
1402 | if ((num%n) != 0) | |
1403 | { | |
1404 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); | |
1405 | return(NULL); | |
1406 | } | |
1407 | if ((skp == NULL) || (*skp == NULL)) | |
62324627 | 1408 | sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */ |
d02b48c6 RE |
1409 | else |
1410 | { | |
1411 | sk= *skp; | |
f73e07cf | 1412 | sk_SSL_CIPHER_zero(sk); |
d02b48c6 RE |
1413 | } |
1414 | ||
1415 | for (i=0; i<num; i+=n) | |
1416 | { | |
d6801576 | 1417 | /* Check for SCSV */ |
a8640f0a | 1418 | if (s->s3 && (n != 3 || !p[0]) && |
d6801576 DSH |
1419 | (p[n-2] == ((SSL3_CK_SCSV >> 8) & 0xff)) && |
1420 | (p[n-1] == (SSL3_CK_SCSV & 0xff))) | |
13f6d57b | 1421 | { |
76998a71 DSH |
1422 | /* SCSV fatal if renegotiating */ |
1423 | if (s->new_session) | |
1424 | { | |
1425 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING); | |
1426 | ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE); | |
1427 | goto err; | |
1428 | } | |
13f6d57b DSH |
1429 | s->s3->send_connection_binding = 1; |
1430 | p += n; | |
1431 | #ifdef OPENSSL_RI_DEBUG | |
d6801576 | 1432 | fprintf(stderr, "SCSV received by server\n"); |
13f6d57b DSH |
1433 | #endif |
1434 | continue; | |
1435 | } | |
1436 | ||
d02b48c6 RE |
1437 | c=ssl_get_cipher_by_char(s,p); |
1438 | p+=n; | |
1439 | if (c != NULL) | |
1440 | { | |
f73e07cf | 1441 | if (!sk_SSL_CIPHER_push(sk,c)) |
d02b48c6 RE |
1442 | { |
1443 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE); | |
1444 | goto err; | |
1445 | } | |
1446 | } | |
1447 | } | |
1448 | ||
1449 | if (skp != NULL) | |
1450 | *skp=sk; | |
1451 | return(sk); | |
1452 | err: | |
1453 | if ((skp == NULL) || (*skp == NULL)) | |
f73e07cf | 1454 | sk_SSL_CIPHER_free(sk); |
d02b48c6 RE |
1455 | return(NULL); |
1456 | } | |
1457 | ||
f1fd4544 | 1458 | |
34449617 | 1459 | #ifndef OPENSSL_NO_TLSEXT |
52b8dad8 | 1460 | /** return a servername extension value if provided in Client Hello, or NULL. |
f1fd4544 | 1461 | * So far, only host_name types are defined (RFC 3546). |
ed3883d2 BM |
1462 | */ |
1463 | ||
f1fd4544 BM |
1464 | const char *SSL_get_servername(const SSL *s, const int type) |
1465 | { | |
1466 | if (type != TLSEXT_NAMETYPE_host_name) | |
ed3883d2 | 1467 | return NULL; |
a13c20f6 BM |
1468 | |
1469 | return s->session && !s->tlsext_hostname ? | |
f1fd4544 BM |
1470 | s->session->tlsext_hostname : |
1471 | s->tlsext_hostname; | |
1472 | } | |
ed3883d2 | 1473 | |
f1fd4544 BM |
1474 | int SSL_get_servername_type(const SSL *s) |
1475 | { | |
52b8dad8 | 1476 | if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname)) |
f1fd4544 | 1477 | return TLSEXT_NAMETYPE_host_name; |
ed3883d2 | 1478 | return -1; |
f1fd4544 | 1479 | } |
ed3883d2 | 1480 | #endif |
f1fd4544 | 1481 | |
3c1d6bbc | 1482 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
d02b48c6 RE |
1483 | { |
1484 | unsigned long l; | |
1485 | ||
dfeab068 RE |
1486 | l=(unsigned long) |
1487 | ((unsigned int) a->session_id[0] )| | |
1488 | ((unsigned int) a->session_id[1]<< 8L)| | |
1489 | ((unsigned long)a->session_id[2]<<16L)| | |
1490 | ((unsigned long)a->session_id[3]<<24L); | |
d02b48c6 RE |
1491 | return(l); |
1492 | } | |
1493 | ||
dc644fe2 GT |
1494 | /* NB: If this function (or indeed the hash function which uses a sort of |
1495 | * coarser function than this one) is changed, ensure | |
1496 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being | |
1497 | * able to construct an SSL_SESSION that will collide with any existing session | |
1498 | * with a matching session ID. */ | |
3c1d6bbc | 1499 | static int ssl_session_cmp(const SSL_SESSION *a,const SSL_SESSION *b) |
d02b48c6 | 1500 | { |
58964a49 RE |
1501 | if (a->ssl_version != b->ssl_version) |
1502 | return(1); | |
1503 | if (a->session_id_length != b->session_id_length) | |
1504 | return(1); | |
1505 | return(memcmp(a->session_id,b->session_id,a->session_id_length)); | |
d02b48c6 RE |
1506 | } |
1507 | ||
d0fa136c GT |
1508 | /* These wrapper functions should remain rather than redeclaring |
1509 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each | |
1510 | * variable. The reason is that the functions aren't static, they're exposed via | |
1511 | * ssl.h. */ | |
3c1d6bbc BL |
1512 | static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION) |
1513 | static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION) | |
97b17195 | 1514 | |
4ebb342f | 1515 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
d02b48c6 | 1516 | { |
dfeab068 | 1517 | SSL_CTX *ret=NULL; |
8671b898 | 1518 | |
d02b48c6 RE |
1519 | if (meth == NULL) |
1520 | { | |
1521 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED); | |
1522 | return(NULL); | |
1523 | } | |
dfeab068 RE |
1524 | |
1525 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) | |
1526 | { | |
1527 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
1528 | goto err; | |
1529 | } | |
26a3a48d | 1530 | ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX)); |
d02b48c6 RE |
1531 | if (ret == NULL) |
1532 | goto err; | |
1533 | ||
1534 | memset(ret,0,sizeof(SSL_CTX)); | |
1535 | ||
1536 | ret->method=meth; | |
1537 | ||
1538 | ret->cert_store=NULL; | |
1539 | ret->session_cache_mode=SSL_SESS_CACHE_SERVER; | |
58964a49 RE |
1540 | ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
1541 | ret->session_cache_head=NULL; | |
1542 | ret->session_cache_tail=NULL; | |
d02b48c6 RE |
1543 | |
1544 | /* We take the system default */ | |
1545 | ret->session_timeout=meth->get_timeout(); | |
1546 | ||
bf21446a BM |
1547 | ret->new_session_cb=0; |
1548 | ret->remove_session_cb=0; | |
1549 | ret->get_session_cb=0; | |
1550 | ret->generate_session_id=0; | |
d02b48c6 | 1551 | |
413c4f45 | 1552 | memset((char *)&ret->stats,0,sizeof(ret->stats)); |
d02b48c6 RE |
1553 | |
1554 | ret->references=1; | |
1555 | ret->quiet_shutdown=0; | |
1556 | ||
1557 | /* ret->cipher=NULL;*/ | |
1558 | /* ret->s2->challenge=NULL; | |
1559 | ret->master_key=NULL; | |
1560 | ret->key_arg=NULL; | |
1561 | ret->s2->conn_id=NULL; */ | |
1562 | ||
45d87a1f | 1563 | ret->info_callback=NULL; |
d02b48c6 | 1564 | |
bf21446a | 1565 | ret->app_verify_callback=0; |
d02b48c6 RE |
1566 | ret->app_verify_arg=NULL; |
1567 | ||
c0f5dd07 | 1568 | ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT; |
413c4f45 | 1569 | ret->read_ahead=0; |
bf21446a BM |
1570 | ret->msg_callback=0; |
1571 | ret->msg_callback_arg=NULL; | |
413c4f45 | 1572 | ret->verify_mode=SSL_VERIFY_NONE; |
5d7c222d | 1573 | #if 0 |
7f89714e | 1574 | ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */ |
5d7c222d | 1575 | #endif |
bf21446a | 1576 | ret->sid_ctx_length=0; |
d02b48c6 | 1577 | ret->default_verify_callback=NULL; |
ca8e5b9b | 1578 | if ((ret->cert=ssl_cert_new()) == NULL) |
d02b48c6 RE |
1579 | goto err; |
1580 | ||
bf21446a | 1581 | ret->default_passwd_callback=0; |
74678cc2 | 1582 | ret->default_passwd_callback_userdata=NULL; |
bf21446a | 1583 | ret->client_cert_cb=0; |
f0747cd9 NL |
1584 | ret->app_gen_cookie_cb=0; |
1585 | ret->app_verify_cookie_cb=0; | |
d02b48c6 | 1586 | |
3c1d6bbc | 1587 | ret->sessions=lh_SSL_SESSION_new(); |
d02b48c6 RE |
1588 | if (ret->sessions == NULL) goto err; |
1589 | ret->cert_store=X509_STORE_new(); | |
1590 | if (ret->cert_store == NULL) goto err; | |
1591 | ||
1592 | ssl_create_cipher_list(ret->method, | |
1593 | &ret->cipher_list,&ret->cipher_list_by_id, | |
b3f6fe91 | 1594 | meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST); |
f73e07cf BL |
1595 | if (ret->cipher_list == NULL |
1596 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) | |
d02b48c6 RE |
1597 | { |
1598 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS); | |
1599 | goto err2; | |
1600 | } | |
1601 | ||
5d7c222d DSH |
1602 | ret->param = X509_VERIFY_PARAM_new(); |
1603 | if (!ret->param) | |
1604 | goto err; | |
1605 | ||
58964a49 RE |
1606 | if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL) |
1607 | { | |
1608 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES); | |
1609 | goto err2; | |
1610 | } | |
1611 | if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL) | |
1612 | { | |
1613 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
1614 | goto err2; | |
1615 | } | |
1616 | if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL) | |
1617 | { | |
1618 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
1619 | goto err2; | |
1620 | } | |
1621 | ||
f73e07cf | 1622 | if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL) |
d02b48c6 RE |
1623 | goto err; |
1624 | ||
79aa04ef | 1625 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data); |
58964a49 | 1626 | |
dfeab068 | 1627 | ret->extra_certs=NULL; |
413c4f45 | 1628 | ret->comp_methods=SSL_COMP_get_compression_methods(); |
dfeab068 | 1629 | |
566dda07 DSH |
1630 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
1631 | ||
ed3883d2 | 1632 | #ifndef OPENSSL_NO_TLSEXT |
f1fd4544 | 1633 | ret->tlsext_servername_callback = 0; |
ed3883d2 | 1634 | ret->tlsext_servername_arg = NULL; |
6434abbf DSH |
1635 | /* Setup RFC4507 ticket keys */ |
1636 | if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0) | |
1637 | || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0) | |
1638 | || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0)) | |
1639 | ret->options |= SSL_OP_NO_TICKET; | |
1640 | ||
67c8e7f4 DSH |
1641 | ret->tlsext_status_cb = 0; |
1642 | ret->tlsext_status_arg = NULL; | |
1643 | ||
ddac1974 NL |
1644 | #endif |
1645 | #ifndef OPENSSL_NO_PSK | |
1646 | ret->psk_identity_hint=NULL; | |
1647 | ret->psk_client_callback=NULL; | |
1648 | ret->psk_server_callback=NULL; | |
8671b898 | 1649 | #endif |
474b3b1c | 1650 | #ifndef OPENSSL_NO_BUF_FREELISTS |
8671b898 BL |
1651 | ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT; |
1652 | ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST)); | |
1653 | if (!ret->rbuf_freelist) | |
1654 | goto err; | |
1655 | ret->rbuf_freelist->chunklen = 0; | |
1656 | ret->rbuf_freelist->len = 0; | |
1657 | ret->rbuf_freelist->head = NULL; | |
1658 | ret->wbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST)); | |
1659 | if (!ret->wbuf_freelist) | |
1660 | { | |
1661 | OPENSSL_free(ret->rbuf_freelist); | |
1662 | goto err; | |
1663 | } | |
1664 | ret->wbuf_freelist->chunklen = 0; | |
1665 | ret->wbuf_freelist->len = 0; | |
1666 | ret->wbuf_freelist->head = NULL; | |
ed3883d2 | 1667 | #endif |
4db9677b DSH |
1668 | #ifndef OPENSSL_NO_ENGINE |
1669 | ret->client_cert_engine = NULL; | |
1670 | #ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO | |
1671 | #define eng_strx(x) #x | |
1672 | #define eng_str(x) eng_strx(x) | |
1673 | /* Use specific client engine automatically... ignore errors */ | |
1674 | { | |
1675 | ENGINE *eng; | |
1676 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
7555c933 DSH |
1677 | if (!eng) |
1678 | { | |
1679 | ERR_clear_error(); | |
1680 | ENGINE_load_builtin_engines(); | |
1681 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
1682 | } | |
4db9677b DSH |
1683 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) |
1684 | ERR_clear_error(); | |
1685 | } | |
1686 | #endif | |
1687 | #endif | |
ef51b4b9 DSH |
1688 | /* Default is to connect to non-RI servers. When RI is more widely |
1689 | * deployed might change this. | |
1690 | */ | |
1691 | ret->options = SSL_OP_LEGACY_SERVER_CONNECT; | |
4db9677b | 1692 | |
d02b48c6 RE |
1693 | return(ret); |
1694 | err: | |
1695 | SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE); | |
1696 | err2: | |
1697 | if (ret != NULL) SSL_CTX_free(ret); | |
1698 | return(NULL); | |
1699 | } | |
1700 | ||
0826c85f | 1701 | #if 0 |
f73e07cf | 1702 | static void SSL_COMP_free(SSL_COMP *comp) |
26a3a48d | 1703 | { OPENSSL_free(comp); } |
0826c85f | 1704 | #endif |
f73e07cf | 1705 | |
474b3b1c | 1706 | #ifndef OPENSSL_NO_BUF_FREELISTS |
8671b898 BL |
1707 | static void |
1708 | ssl_buf_freelist_free(SSL3_BUF_FREELIST *list) | |
1709 | { | |
1710 | SSL3_BUF_FREELIST_ENTRY *ent, *next; | |
1711 | for (ent = list->head; ent; ent = next) | |
1712 | { | |
1713 | next = ent->next; | |
1714 | OPENSSL_free(ent); | |
1715 | } | |
1716 | OPENSSL_free(list); | |
1717 | } | |
1718 | #endif | |
1719 | ||
4f43d0e7 | 1720 | void SSL_CTX_free(SSL_CTX *a) |
d02b48c6 RE |
1721 | { |
1722 | int i; | |
1723 | ||
1724 | if (a == NULL) return; | |
1725 | ||
1726 | i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX); | |
58964a49 RE |
1727 | #ifdef REF_PRINT |
1728 | REF_PRINT("SSL_CTX",a); | |
1729 | #endif | |
d02b48c6 RE |
1730 | if (i > 0) return; |
1731 | #ifdef REF_CHECK | |
1732 | if (i < 0) | |
1733 | { | |
1734 | fprintf(stderr,"SSL_CTX_free, bad reference count\n"); | |
1735 | abort(); /* ok */ | |
1736 | } | |
1737 | #endif | |
1738 | ||
5d7c222d DSH |
1739 | if (a->param) |
1740 | X509_VERIFY_PARAM_free(a->param); | |
1741 | ||
82a20fb0 LJ |
1742 | /* |
1743 | * Free internal session cache. However: the remove_cb() may reference | |
1744 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
1745 | * after the sessions were flushed. | |
1746 | * As the ex_data handling routines might also touch the session cache, | |
1747 | * the most secure solution seems to be: empty (flush) the cache, then | |
1748 | * free ex_data, then finally free the cache. | |
1749 | * (See ticket [openssl.org #212].) | |
1750 | */ | |
d02b48c6 | 1751 | if (a->sessions != NULL) |
d02b48c6 | 1752 | SSL_CTX_flush_sessions(a,0); |
82a20fb0 LJ |
1753 | |
1754 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
1755 | ||
1756 | if (a->sessions != NULL) | |
3c1d6bbc | 1757 | lh_SSL_SESSION_free(a->sessions); |
82a20fb0 | 1758 | |
d02b48c6 RE |
1759 | if (a->cert_store != NULL) |
1760 | X509_STORE_free(a->cert_store); | |
1761 | if (a->cipher_list != NULL) | |
f73e07cf | 1762 | sk_SSL_CIPHER_free(a->cipher_list); |
d02b48c6 | 1763 | if (a->cipher_list_by_id != NULL) |
f73e07cf | 1764 | sk_SSL_CIPHER_free(a->cipher_list_by_id); |
ca8e5b9b BM |
1765 | if (a->cert != NULL) |
1766 | ssl_cert_free(a->cert); | |
d02b48c6 | 1767 | if (a->client_CA != NULL) |
f73e07cf | 1768 | sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free); |
dfeab068 | 1769 | if (a->extra_certs != NULL) |
f73e07cf | 1770 | sk_X509_pop_free(a->extra_certs,X509_free); |
cd9b7d7c | 1771 | #if 0 /* This should never be done, since it removes a global database */ |
413c4f45 | 1772 | if (a->comp_methods != NULL) |
f73e07cf | 1773 | sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free); |
cd9b7d7c RL |
1774 | #else |
1775 | a->comp_methods = NULL; | |
1776 | #endif | |
ddac1974 NL |
1777 | |
1778 | #ifndef OPENSSL_NO_PSK | |
1779 | if (a->psk_identity_hint) | |
1780 | OPENSSL_free(a->psk_identity_hint); | |
bdfe932d DSH |
1781 | #endif |
1782 | #ifndef OPENSSL_NO_ENGINE | |
1783 | if (a->client_cert_engine) | |
1784 | ENGINE_finish(a->client_cert_engine); | |
ddac1974 | 1785 | #endif |
8671b898 | 1786 | |
474b3b1c | 1787 | #ifndef OPENSSL_NO_BUF_FREELISTS |
8671b898 BL |
1788 | if (a->wbuf_freelist) |
1789 | ssl_buf_freelist_free(a->wbuf_freelist); | |
1790 | if (a->rbuf_freelist) | |
1791 | ssl_buf_freelist_free(a->rbuf_freelist); | |
1792 | #endif | |
1793 | ||
26a3a48d | 1794 | OPENSSL_free(a); |
d02b48c6 RE |
1795 | } |
1796 | ||
3ae76679 | 1797 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
d02b48c6 RE |
1798 | { |
1799 | ctx->default_passwd_callback=cb; | |
1800 | } | |
1801 | ||
74678cc2 BM |
1802 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u) |
1803 | { | |
1804 | ctx->default_passwd_callback_userdata=u; | |
1805 | } | |
1806 | ||
023ec151 | 1807 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg) |
d02b48c6 RE |
1808 | { |
1809 | ctx->app_verify_callback=cb; | |
023ec151 | 1810 | ctx->app_verify_arg=arg; |
d02b48c6 RE |
1811 | } |
1812 | ||
4f43d0e7 | 1813 | void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *)) |
d02b48c6 | 1814 | { |
413c4f45 | 1815 | ctx->verify_mode=mode; |
d02b48c6 | 1816 | ctx->default_verify_callback=cb; |
d02b48c6 RE |
1817 | } |
1818 | ||
7f89714e BM |
1819 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth) |
1820 | { | |
5d7c222d | 1821 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); |
7f89714e BM |
1822 | } |
1823 | ||
babb3798 | 1824 | void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher) |
d02b48c6 RE |
1825 | { |
1826 | CERT_PKEY *cpk; | |
1827 | int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign; | |
1828 | int rsa_enc_export,dh_rsa_export,dh_dsa_export; | |
60e31c3a | 1829 | int rsa_tmp_export,dh_tmp_export,kl; |
52b8dad8 | 1830 | unsigned long mask_k,mask_a,emask_k,emask_a; |
3eeaab4b NL |
1831 | int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size; |
1832 | #ifndef OPENSSL_NO_ECDH | |
1833 | int have_ecdh_tmp; | |
1834 | #endif | |
ea262260 BM |
1835 | X509 *x = NULL; |
1836 | EVP_PKEY *ecc_pkey = NULL; | |
1837 | int signature_nid = 0; | |
d02b48c6 | 1838 | |
f415fa32 | 1839 | if (c == NULL) return; |
d02b48c6 | 1840 | |
60e31c3a BL |
1841 | kl=SSL_C_EXPORT_PKEYLENGTH(cipher); |
1842 | ||
bc36ee62 | 1843 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
1844 | rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); |
1845 | rsa_tmp_export=(c->rsa_tmp_cb != NULL || | |
60e31c3a | 1846 | (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl)); |
d02b48c6 RE |
1847 | #else |
1848 | rsa_tmp=rsa_tmp_export=0; | |
1849 | #endif | |
bc36ee62 | 1850 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
1851 | dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL); |
1852 | dh_tmp_export=(c->dh_tmp_cb != NULL || | |
60e31c3a | 1853 | (dh_tmp && DH_size(c->dh_tmp)*8 <= kl)); |
d02b48c6 RE |
1854 | #else |
1855 | dh_tmp=dh_tmp_export=0; | |
1856 | #endif | |
1857 | ||
ea262260 BM |
1858 | #ifndef OPENSSL_NO_ECDH |
1859 | have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL); | |
1860 | #endif | |
d02b48c6 | 1861 | cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]); |
60e31c3a BL |
1862 | rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1863 | rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 | 1864 | cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]); |
60e31c3a | 1865 | rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1866 | cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]); |
60e31c3a | 1867 | dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1868 | cpk= &(c->pkeys[SSL_PKEY_DH_RSA]); |
60e31c3a BL |
1869 | dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1870 | dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1871 | cpk= &(c->pkeys[SSL_PKEY_DH_DSA]); |
1872 | /* FIX THIS EAY EAY EAY */ | |
60e31c3a BL |
1873 | dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1874 | dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
ea262260 BM |
1875 | cpk= &(c->pkeys[SSL_PKEY_ECC]); |
1876 | have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL); | |
52b8dad8 BM |
1877 | mask_k=0; |
1878 | mask_a=0; | |
1879 | emask_k=0; | |
1880 | emask_a=0; | |
d02b48c6 | 1881 | |
0e1dba93 DSH |
1882 | |
1883 | ||
d02b48c6 | 1884 | #ifdef CIPHER_DEBUG |
076944d9 | 1885 | printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", |
2afe3167 | 1886 | rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp, |
f415fa32 | 1887 | rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa); |
d02b48c6 | 1888 | #endif |
0e1dba93 DSH |
1889 | |
1890 | cpk = &(c->pkeys[SSL_PKEY_GOST01]); | |
1891 | if (cpk->x509 != NULL && cpk->privatekey !=NULL) { | |
1892 | mask_k |= SSL_kGOST; | |
1893 | mask_a |= SSL_aGOST01; | |
1894 | } | |
1895 | cpk = &(c->pkeys[SSL_PKEY_GOST94]); | |
1896 | if (cpk->x509 != NULL && cpk->privatekey !=NULL) { | |
1897 | mask_k |= SSL_kGOST; | |
1898 | mask_a |= SSL_aGOST94; | |
1899 | } | |
d02b48c6 RE |
1900 | |
1901 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
52b8dad8 | 1902 | mask_k|=SSL_kRSA; |
f415fa32 | 1903 | if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) |
52b8dad8 | 1904 | emask_k|=SSL_kRSA; |
d02b48c6 RE |
1905 | |
1906 | #if 0 | |
1907 | /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */ | |
52b8dad8 | 1908 | if ( (dh_tmp || dh_rsa || dh_dsa) && |
d02b48c6 | 1909 | (rsa_enc || rsa_sign || dsa_sign)) |
52b8dad8 | 1910 | mask_k|=SSL_kEDH; |
d02b48c6 RE |
1911 | if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) && |
1912 | (rsa_enc || rsa_sign || dsa_sign)) | |
52b8dad8 | 1913 | emask_k|=SSL_kEDH; |
d02b48c6 RE |
1914 | #endif |
1915 | ||
52b8dad8 BM |
1916 | if (dh_tmp_export) |
1917 | emask_k|=SSL_kEDH; | |
d02b48c6 RE |
1918 | |
1919 | if (dh_tmp) | |
52b8dad8 | 1920 | mask_k|=SSL_kEDH; |
d02b48c6 | 1921 | |
52b8dad8 BM |
1922 | if (dh_rsa) mask_k|=SSL_kDHr; |
1923 | if (dh_rsa_export) emask_k|=SSL_kDHr; | |
d02b48c6 | 1924 | |
52b8dad8 BM |
1925 | if (dh_dsa) mask_k|=SSL_kDHd; |
1926 | if (dh_dsa_export) emask_k|=SSL_kDHd; | |
d02b48c6 RE |
1927 | |
1928 | if (rsa_enc || rsa_sign) | |
1929 | { | |
52b8dad8 BM |
1930 | mask_a|=SSL_aRSA; |
1931 | emask_a|=SSL_aRSA; | |
d02b48c6 RE |
1932 | } |
1933 | ||
1934 | if (dsa_sign) | |
1935 | { | |
52b8dad8 BM |
1936 | mask_a|=SSL_aDSS; |
1937 | emask_a|=SSL_aDSS; | |
d02b48c6 RE |
1938 | } |
1939 | ||
52b8dad8 BM |
1940 | mask_a|=SSL_aNULL; |
1941 | emask_a|=SSL_aNULL; | |
d02b48c6 | 1942 | |
bc36ee62 | 1943 | #ifndef OPENSSL_NO_KRB5 |
52b8dad8 BM |
1944 | mask_k|=SSL_kKRB5; |
1945 | mask_a|=SSL_aKRB5; | |
1946 | emask_k|=SSL_kKRB5; | |
1947 | emask_a|=SSL_aKRB5; | |
f9b3bff6 RL |
1948 | #endif |
1949 | ||
ea262260 BM |
1950 | /* An ECC certificate may be usable for ECDH and/or |
1951 | * ECDSA cipher suites depending on the key usage extension. | |
1952 | */ | |
1953 | if (have_ecc_cert) | |
1954 | { | |
52b8dad8 | 1955 | /* This call populates extension flags (ex_flags) */ |
ea262260 BM |
1956 | x = (c->pkeys[SSL_PKEY_ECC]).x509; |
1957 | X509_check_purpose(x, -1, 0); | |
1958 | ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ? | |
1959 | (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1; | |
1960 | ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ? | |
1961 | (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1; | |
1962 | ecc_pkey = X509_get_pubkey(x); | |
52b8dad8 | 1963 | ecc_pkey_size = (ecc_pkey != NULL) ? |
ea262260 BM |
1964 | EVP_PKEY_bits(ecc_pkey) : 0; |
1965 | EVP_PKEY_free(ecc_pkey); | |
1966 | if ((x->sig_alg) && (x->sig_alg->algorithm)) | |
1967 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
1968 | #ifndef OPENSSL_NO_ECDH | |
1969 | if (ecdh_ok) | |
1970 | { | |
076944d9 BM |
1971 | const char *sig = OBJ_nid2ln(signature_nid); |
1972 | if (sig == NULL) | |
1973 | { | |
1974 | ERR_clear_error(); | |
1975 | sig = "unknown"; | |
1976 | } | |
1977 | ||
1978 | if (strstr(sig, "WithRSA")) | |
ea262260 | 1979 | { |
52b8dad8 BM |
1980 | mask_k|=SSL_kECDHr; |
1981 | mask_a|=SSL_aECDH; | |
ea262260 | 1982 | if (ecc_pkey_size <= 163) |
52b8dad8 BM |
1983 | { |
1984 | emask_k|=SSL_kECDHr; | |
1985 | emask_a|=SSL_aECDH; | |
1986 | } | |
ea262260 | 1987 | } |
076944d9 | 1988 | |
ea262260 BM |
1989 | if (signature_nid == NID_ecdsa_with_SHA1) |
1990 | { | |
52b8dad8 BM |
1991 | mask_k|=SSL_kECDHe; |
1992 | mask_a|=SSL_aECDH; | |
ea262260 | 1993 | if (ecc_pkey_size <= 163) |
52b8dad8 BM |
1994 | { |
1995 | emask_k|=SSL_kECDHe; | |
1996 | emask_a|=SSL_aECDH; | |
1997 | } | |
ea262260 BM |
1998 | } |
1999 | } | |
2000 | #endif | |
2001 | #ifndef OPENSSL_NO_ECDSA | |
2002 | if (ecdsa_ok) | |
2003 | { | |
52b8dad8 BM |
2004 | mask_a|=SSL_aECDSA; |
2005 | emask_a|=SSL_aECDSA; | |
ea262260 BM |
2006 | } |
2007 | #endif | |
2008 | } | |
2009 | ||
2010 | #ifndef OPENSSL_NO_ECDH | |
2011 | if (have_ecdh_tmp) | |
2012 | { | |
52b8dad8 BM |
2013 | mask_k|=SSL_kEECDH; |
2014 | emask_k|=SSL_kEECDH; | |
ea262260 BM |
2015 | } |
2016 | #endif | |
ddac1974 NL |
2017 | |
2018 | #ifndef OPENSSL_NO_PSK | |
52b8dad8 BM |
2019 | mask_k |= SSL_kPSK; |
2020 | mask_a |= SSL_aPSK; | |
2021 | emask_k |= SSL_kPSK; | |
2022 | emask_a |= SSL_aPSK; | |
ddac1974 NL |
2023 | #endif |
2024 | ||
52b8dad8 BM |
2025 | c->mask_k=mask_k; |
2026 | c->mask_a=mask_a; | |
2027 | c->export_mask_k=emask_k; | |
2028 | c->export_mask_a=emask_a; | |
d02b48c6 RE |
2029 | c->valid=1; |
2030 | } | |
2031 | ||
ea262260 BM |
2032 | /* This handy macro borrowed from crypto/x509v3/v3_purp.c */ |
2033 | #define ku_reject(x, usage) \ | |
2034 | (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage))) | |
2035 | ||
ef236ec3 DSH |
2036 | #ifndef OPENSSL_NO_EC |
2037 | ||
babb3798 | 2038 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs) |
ea262260 | 2039 | { |
52b8dad8 | 2040 | unsigned long alg_k, alg_a; |
ea262260 BM |
2041 | EVP_PKEY *pkey = NULL; |
2042 | int keysize = 0; | |
2043 | int signature_nid = 0; | |
2044 | ||
52b8dad8 BM |
2045 | alg_k = cs->algorithm_mkey; |
2046 | alg_a = cs->algorithm_auth; | |
2047 | ||
ea262260 BM |
2048 | if (SSL_C_IS_EXPORT(cs)) |
2049 | { | |
2050 | /* ECDH key length in export ciphers must be <= 163 bits */ | |
2051 | pkey = X509_get_pubkey(x); | |
2052 | if (pkey == NULL) return 0; | |
2053 | keysize = EVP_PKEY_bits(pkey); | |
2054 | EVP_PKEY_free(pkey); | |
2055 | if (keysize > 163) return 0; | |
2056 | } | |
2057 | ||
2058 | /* This call populates the ex_flags field correctly */ | |
2059 | X509_check_purpose(x, -1, 0); | |
2060 | if ((x->sig_alg) && (x->sig_alg->algorithm)) | |
2061 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
52b8dad8 | 2062 | if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr) |
ea262260 BM |
2063 | { |
2064 | /* key usage, if present, must allow key agreement */ | |
2065 | if (ku_reject(x, X509v3_KU_KEY_AGREEMENT)) | |
2066 | { | |
ed3ecd80 | 2067 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT); |
ea262260 BM |
2068 | return 0; |
2069 | } | |
52b8dad8 | 2070 | if (alg_k & SSL_kECDHe) |
ea262260 BM |
2071 | { |
2072 | /* signature alg must be ECDSA */ | |
2073 | if (signature_nid != NID_ecdsa_with_SHA1) | |
2074 | { | |
ed3ecd80 | 2075 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE); |
ea262260 BM |
2076 | return 0; |
2077 | } | |
2078 | } | |
52b8dad8 | 2079 | if (alg_k & SSL_kECDHr) |
ea262260 BM |
2080 | { |
2081 | /* signature alg must be RSA */ | |
076944d9 BM |
2082 | |
2083 | const char *sig = OBJ_nid2ln(signature_nid); | |
2084 | if (sig == NULL) | |
ea262260 | 2085 | { |
076944d9 BM |
2086 | ERR_clear_error(); |
2087 | sig = "unknown"; | |
ea262260 | 2088 | } |
076944d9 | 2089 | if (strstr(sig, "WithRSA") == NULL) |
ed3ecd80 BM |
2090 | { |
2091 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE); | |
076944d9 | 2092 | return 0; |
ed3ecd80 | 2093 | } |
ea262260 | 2094 | } |
52b8dad8 BM |
2095 | } |
2096 | if (alg_a & SSL_aECDSA) | |
ea262260 BM |
2097 | { |
2098 | /* key usage, if present, must allow signing */ | |
2099 | if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE)) | |
2100 | { | |
ed3ecd80 | 2101 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_SIGNING); |
ea262260 BM |
2102 | return 0; |
2103 | } | |
2104 | } | |
2105 | ||
2106 | return 1; /* all checks are ok */ | |
2107 | } | |
2108 | ||
ef236ec3 DSH |
2109 | #endif |
2110 | ||
d02b48c6 | 2111 | /* THIS NEEDS CLEANING UP */ |
4f43d0e7 | 2112 | X509 *ssl_get_server_send_cert(SSL *s) |
d02b48c6 | 2113 | { |
52b8dad8 | 2114 | unsigned long alg_k,alg_a,mask_k,mask_a; |
d02b48c6 | 2115 | CERT *c; |
df63a389 | 2116 | int i,is_export; |
d02b48c6 RE |
2117 | |
2118 | c=s->cert; | |
ca8e5b9b | 2119 | ssl_set_cert_masks(c, s->s3->tmp.new_cipher); |
018e57c7 | 2120 | is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); |
52b8dad8 BM |
2121 | if (is_export) |
2122 | { | |
2123 | mask_k = c->export_mask_k; | |
2124 | mask_a = c->export_mask_a; | |
2125 | } | |
2126 | else | |
2127 | { | |
2128 | mask_k = c->mask_k; | |
2129 | mask_a = c->mask_a; | |
2130 | } | |
2131 | ||
2132 | alg_k = s->s3->tmp.new_cipher->algorithm_mkey; | |
2133 | alg_a = s->s3->tmp.new_cipher->algorithm_auth; | |
d02b48c6 | 2134 | |
882d29dd | 2135 | if (alg_k & (SSL_kECDHr|SSL_kECDHe)) |
ea262260 | 2136 | { |
89bbe14c | 2137 | /* we don't need to look at SSL_kEECDH |
ea262260 BM |
2138 | * since no certificate is needed for |
2139 | * anon ECDH and for authenticated | |
89bbe14c | 2140 | * EECDH, the check for the auth |
ea262260 BM |
2141 | * algorithm will set i correctly |
2142 | * NOTE: For ECDH-RSA, we need an ECC | |
89bbe14c | 2143 | * not an RSA cert but for EECDH-RSA |
ea262260 BM |
2144 | * we need an RSA cert. Placing the |
2145 | * checks for SSL_kECDH before RSA | |
2146 | * checks ensures the correct cert is chosen. | |
2147 | */ | |
2148 | i=SSL_PKEY_ECC; | |
2149 | } | |
52b8dad8 | 2150 | else if (alg_a & SSL_aECDSA) |
ea262260 BM |
2151 | { |
2152 | i=SSL_PKEY_ECC; | |
2153 | } | |
52b8dad8 | 2154 | else if (alg_k & SSL_kDHr) |
d02b48c6 | 2155 | i=SSL_PKEY_DH_RSA; |
52b8dad8 | 2156 | else if (alg_k & SSL_kDHd) |
d02b48c6 | 2157 | i=SSL_PKEY_DH_DSA; |
52b8dad8 | 2158 | else if (alg_a & SSL_aDSS) |
d02b48c6 | 2159 | i=SSL_PKEY_DSA_SIGN; |
52b8dad8 | 2160 | else if (alg_a & SSL_aRSA) |
d02b48c6 RE |
2161 | { |
2162 | if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL) | |
2163 | i=SSL_PKEY_RSA_SIGN; | |
2164 | else | |
2165 | i=SSL_PKEY_RSA_ENC; | |
2166 | } | |
52b8dad8 | 2167 | else if (alg_a & SSL_aKRB5) |
f9b3bff6 RL |
2168 | { |
2169 | /* VRS something else here? */ | |
2170 | return(NULL); | |
2171 | } | |
0e1dba93 DSH |
2172 | else if (alg_a & SSL_aGOST94) |
2173 | i=SSL_PKEY_GOST94; | |
2174 | else if (alg_a & SSL_aGOST01) | |
2175 | i=SSL_PKEY_GOST01; | |
52b8dad8 | 2176 | else /* if (alg_a & SSL_aNULL) */ |
d02b48c6 | 2177 | { |
5277d7cb | 2178 | SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
2179 | return(NULL); |
2180 | } | |
2181 | if (c->pkeys[i].x509 == NULL) return(NULL); | |
ea262260 | 2182 | |
d02b48c6 RE |
2183 | return(c->pkeys[i].x509); |
2184 | } | |
2185 | ||
babb3798 | 2186 | EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher) |
d02b48c6 | 2187 | { |
52b8dad8 | 2188 | unsigned long alg_a; |
d02b48c6 RE |
2189 | CERT *c; |
2190 | ||
52b8dad8 | 2191 | alg_a = cipher->algorithm_auth; |
d02b48c6 RE |
2192 | c=s->cert; |
2193 | ||
52b8dad8 | 2194 | if ((alg_a & SSL_aDSS) && |
d02b48c6 RE |
2195 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) |
2196 | return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey); | |
52b8dad8 | 2197 | else if (alg_a & SSL_aRSA) |
d02b48c6 RE |
2198 | { |
2199 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
2200 | return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey); | |
2201 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
2202 | return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey); | |
2203 | else | |
2204 | return(NULL); | |
2205 | } | |
52b8dad8 | 2206 | else if ((alg_a & SSL_aECDSA) && |
ea262260 BM |
2207 | (c->pkeys[SSL_PKEY_ECC].privatekey != NULL)) |
2208 | return(c->pkeys[SSL_PKEY_ECC].privatekey); | |
52b8dad8 | 2209 | else /* if (alg_a & SSL_aNULL) */ |
d02b48c6 | 2210 | { |
5277d7cb | 2211 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
2212 | return(NULL); |
2213 | } | |
2214 | } | |
2215 | ||
4f43d0e7 | 2216 | void ssl_update_cache(SSL *s,int mode) |
d02b48c6 | 2217 | { |
58964a49 RE |
2218 | int i; |
2219 | ||
2220 | /* If the session_id_length is 0, we are not supposed to cache it, | |
2221 | * and it would be rather hard to do anyway :-) */ | |
2222 | if (s->session->session_id_length == 0) return; | |
2223 | ||
a13c20f6 | 2224 | i=s->session_ctx->session_cache_mode; |
4de920c9 | 2225 | if ((i & mode) && (!s->hit) |
e0db2eed | 2226 | && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) |
a13c20f6 BM |
2227 | || SSL_CTX_add_session(s->session_ctx,s->session)) |
2228 | && (s->session_ctx->new_session_cb != NULL)) | |
d02b48c6 | 2229 | { |
58964a49 | 2230 | CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION); |
a13c20f6 | 2231 | if (!s->session_ctx->new_session_cb(s,s->session)) |
d02b48c6 RE |
2232 | SSL_SESSION_free(s->session); |
2233 | } | |
2234 | ||
2235 | /* auto flush every 255 connections */ | |
58964a49 RE |
2236 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && |
2237 | ((i & mode) == mode)) | |
2238 | { | |
2239 | if ( (((mode & SSL_SESS_CACHE_CLIENT) | |
a13c20f6 BM |
2240 | ?s->session_ctx->stats.sess_connect_good |
2241 | :s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff) | |
58964a49 | 2242 | { |
a13c20f6 | 2243 | SSL_CTX_flush_sessions(s->session_ctx,(unsigned long)time(NULL)); |
58964a49 RE |
2244 | } |
2245 | } | |
d02b48c6 RE |
2246 | } |
2247 | ||
4ebb342f | 2248 | const SSL_METHOD *SSL_get_ssl_method(SSL *s) |
d02b48c6 RE |
2249 | { |
2250 | return(s->method); | |
2251 | } | |
2252 | ||
4ebb342f | 2253 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
d02b48c6 RE |
2254 | { |
2255 | int conn= -1; | |
2256 | int ret=1; | |
2257 | ||
2258 | if (s->method != meth) | |
2259 | { | |
2260 | if (s->handshake_func != NULL) | |
2261 | conn=(s->handshake_func == s->method->ssl_connect); | |
2262 | ||
2263 | if (s->method->version == meth->version) | |
2264 | s->method=meth; | |
2265 | else | |
2266 | { | |
2267 | s->method->ssl_free(s); | |
2268 | s->method=meth; | |
2269 | ret=s->method->ssl_new(s); | |
2270 | } | |
2271 | ||
2272 | if (conn == 1) | |
2273 | s->handshake_func=meth->ssl_connect; | |
2274 | else if (conn == 0) | |
2275 | s->handshake_func=meth->ssl_accept; | |
2276 | } | |
2277 | return(ret); | |
2278 | } | |
2279 | ||
0821bcd4 | 2280 | int SSL_get_error(const SSL *s,int i) |
d02b48c6 RE |
2281 | { |
2282 | int reason; | |
413c4f45 | 2283 | unsigned long l; |
d02b48c6 RE |
2284 | BIO *bio; |
2285 | ||
2286 | if (i > 0) return(SSL_ERROR_NONE); | |
2287 | ||
413c4f45 MC |
2288 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake |
2289 | * etc, where we do encode the error */ | |
2290 | if ((l=ERR_peek_error()) != 0) | |
2291 | { | |
2292 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
2293 | return(SSL_ERROR_SYSCALL); | |
2294 | else | |
2295 | return(SSL_ERROR_SSL); | |
2296 | } | |
d02b48c6 RE |
2297 | |
2298 | if ((i < 0) && SSL_want_read(s)) | |
2299 | { | |
2300 | bio=SSL_get_rbio(s); | |
2301 | if (BIO_should_read(bio)) | |
2302 | return(SSL_ERROR_WANT_READ); | |
2303 | else if (BIO_should_write(bio)) | |
3a66e306 BM |
2304 | /* This one doesn't make too much sense ... We never try |
2305 | * to write to the rbio, and an application program where | |
2306 | * rbio and wbio are separate couldn't even know what it | |
2307 | * should wait for. | |
2308 | * However if we ever set s->rwstate incorrectly | |
2309 | * (so that we have SSL_want_read(s) instead of | |
2310 | * SSL_want_write(s)) and rbio and wbio *are* the same, | |
2311 | * this test works around that bug; so it might be safer | |
2312 | * to keep it. */ | |
d02b48c6 RE |
2313 | return(SSL_ERROR_WANT_WRITE); |
2314 | else if (BIO_should_io_special(bio)) | |
2315 | { | |
2316 | reason=BIO_get_retry_reason(bio); | |
2317 | if (reason == BIO_RR_CONNECT) | |
2318 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
2319 | else if (reason == BIO_RR_ACCEPT) |
2320 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
2321 | else |
2322 | return(SSL_ERROR_SYSCALL); /* unknown */ | |
2323 | } | |
2324 | } | |
2325 | ||
2326 | if ((i < 0) && SSL_want_write(s)) | |
2327 | { | |
2328 | bio=SSL_get_wbio(s); | |
2329 | if (BIO_should_write(bio)) | |
2330 | return(SSL_ERROR_WANT_WRITE); | |
2331 | else if (BIO_should_read(bio)) | |
3a66e306 | 2332 | /* See above (SSL_want_read(s) with BIO_should_write(bio)) */ |
d02b48c6 RE |
2333 | return(SSL_ERROR_WANT_READ); |
2334 | else if (BIO_should_io_special(bio)) | |
2335 | { | |
2336 | reason=BIO_get_retry_reason(bio); | |
2337 | if (reason == BIO_RR_CONNECT) | |
2338 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
2339 | else if (reason == BIO_RR_ACCEPT) |
2340 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
2341 | else |
2342 | return(SSL_ERROR_SYSCALL); | |
2343 | } | |
2344 | } | |
2345 | if ((i < 0) && SSL_want_x509_lookup(s)) | |
2346 | { | |
2347 | return(SSL_ERROR_WANT_X509_LOOKUP); | |
2348 | } | |
2349 | ||
2350 | if (i == 0) | |
2351 | { | |
58964a49 | 2352 | if (s->version == SSL2_VERSION) |
d02b48c6 RE |
2353 | { |
2354 | /* assume it is the socket being closed */ | |
2355 | return(SSL_ERROR_ZERO_RETURN); | |
2356 | } | |
2357 | else | |
2358 | { | |
2359 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
58964a49 | 2360 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) |
d02b48c6 RE |
2361 | return(SSL_ERROR_ZERO_RETURN); |
2362 | } | |
2363 | } | |
2364 | return(SSL_ERROR_SYSCALL); | |
2365 | } | |
2366 | ||
4f43d0e7 | 2367 | int SSL_do_handshake(SSL *s) |
d02b48c6 | 2368 | { |
58964a49 RE |
2369 | int ret=1; |
2370 | ||
d02b48c6 RE |
2371 | if (s->handshake_func == NULL) |
2372 | { | |
58964a49 | 2373 | SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET); |
d02b48c6 RE |
2374 | return(-1); |
2375 | } | |
dfeab068 RE |
2376 | |
2377 | s->method->ssl_renegotiate_check(s); | |
2378 | ||
d02b48c6 | 2379 | if (SSL_in_init(s) || SSL_in_before(s)) |
58964a49 RE |
2380 | { |
2381 | ret=s->handshake_func(s); | |
2382 | } | |
2383 | return(ret); | |
d02b48c6 RE |
2384 | } |
2385 | ||
2386 | /* For the next 2 functions, SSL_clear() sets shutdown and so | |
2387 | * one of these calls will reset it */ | |
4f43d0e7 | 2388 | void SSL_set_accept_state(SSL *s) |
d02b48c6 | 2389 | { |
413c4f45 | 2390 | s->server=1; |
d02b48c6 RE |
2391 | s->shutdown=0; |
2392 | s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE; | |
2393 | s->handshake_func=s->method->ssl_accept; | |
2394 | /* clear the current cipher */ | |
2395 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
2396 | ssl_clear_hash_ctx(&s->read_hash); |
2397 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 RE |
2398 | } |
2399 | ||
4f43d0e7 | 2400 | void SSL_set_connect_state(SSL *s) |
d02b48c6 | 2401 | { |
413c4f45 | 2402 | s->server=0; |
d02b48c6 RE |
2403 | s->shutdown=0; |
2404 | s->state=SSL_ST_CONNECT|SSL_ST_BEFORE; | |
2405 | s->handshake_func=s->method->ssl_connect; | |
2406 | /* clear the current cipher */ | |
2407 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
2408 | ssl_clear_hash_ctx(&s->read_hash); |
2409 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 RE |
2410 | } |
2411 | ||
4f43d0e7 | 2412 | int ssl_undefined_function(SSL *s) |
d02b48c6 RE |
2413 | { |
2414 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2415 | return(0); | |
2416 | } | |
2417 | ||
41a15c4f BL |
2418 | int ssl_undefined_void_function(void) |
2419 | { | |
2420 | SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2421 | return(0); | |
2422 | } | |
2423 | ||
0821bcd4 BL |
2424 | int ssl_undefined_const_function(const SSL *s) |
2425 | { | |
2426 | SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2427 | return(0); | |
2428 | } | |
2429 | ||
4f43d0e7 | 2430 | SSL_METHOD *ssl_bad_method(int ver) |
d02b48c6 RE |
2431 | { |
2432 | SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2433 | return(NULL); | |
2434 | } | |
2435 | ||
0821bcd4 | 2436 | const char *SSL_get_version(const SSL *s) |
d02b48c6 | 2437 | { |
637f374a DSH |
2438 | if (s->version == TLS1_1_VERSION) |
2439 | return("TLSv1.1"); | |
2440 | else if (s->version == SSL3_VERSION) | |
2441 | return("SSLv3"); | |
58964a49 | 2442 | else if (s->version == SSL3_VERSION) |
d02b48c6 | 2443 | return("SSLv3"); |
58964a49 | 2444 | else if (s->version == SSL2_VERSION) |
d02b48c6 RE |
2445 | return("SSLv2"); |
2446 | else | |
2447 | return("unknown"); | |
2448 | } | |
2449 | ||
4f43d0e7 | 2450 | SSL *SSL_dup(SSL *s) |
8a41eb70 | 2451 | { |
f73e07cf | 2452 | STACK_OF(X509_NAME) *sk; |
d02b48c6 | 2453 | X509_NAME *xn; |
b1c4fe36 | 2454 | SSL *ret; |
d02b48c6 | 2455 | int i; |
52b8dad8 | 2456 | |
b4cadc6e BL |
2457 | if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
2458 | return(NULL); | |
bf21446a BM |
2459 | |
2460 | ret->version = s->version; | |
2461 | ret->type = s->type; | |
2462 | ret->method = s->method; | |
2463 | ||
8a41eb70 BM |
2464 | if (s->session != NULL) |
2465 | { | |
2466 | /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */ | |
2467 | SSL_copy_session_id(ret,s); | |
2468 | } | |
2469 | else | |
2470 | { | |
2471 | /* No session has been established yet, so we have to expect | |
2472 | * that s->cert or ret->cert will be changed later -- | |
2473 | * they should not both point to the same object, | |
2474 | * and thus we can't use SSL_copy_session_id. */ | |
2475 | ||
2e60ea76 | 2476 | ret->method->ssl_free(ret); |
8a41eb70 BM |
2477 | ret->method = s->method; |
2478 | ret->method->ssl_new(ret); | |
2479 | ||
2480 | if (s->cert != NULL) | |
2481 | { | |
34d69d3b RL |
2482 | if (ret->cert != NULL) |
2483 | { | |
2484 | ssl_cert_free(ret->cert); | |
2485 | } | |
8a41eb70 BM |
2486 | ret->cert = ssl_cert_dup(s->cert); |
2487 | if (ret->cert == NULL) | |
2488 | goto err; | |
2489 | } | |
2490 | ||
2491 | SSL_set_session_id_context(ret, | |
2492 | s->sid_ctx, s->sid_ctx_length); | |
2493 | } | |
d02b48c6 | 2494 | |
bf21446a BM |
2495 | ret->options=s->options; |
2496 | ret->mode=s->mode; | |
c0f5dd07 | 2497 | SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s)); |
d02b48c6 | 2498 | SSL_set_read_ahead(ret,SSL_get_read_ahead(s)); |
bf21446a BM |
2499 | ret->msg_callback = s->msg_callback; |
2500 | ret->msg_callback_arg = s->msg_callback_arg; | |
d02b48c6 RE |
2501 | SSL_set_verify(ret,SSL_get_verify_mode(s), |
2502 | SSL_get_verify_callback(s)); | |
7f89714e | 2503 | SSL_set_verify_depth(ret,SSL_get_verify_depth(s)); |
bf21446a | 2504 | ret->generate_session_id = s->generate_session_id; |
d02b48c6 RE |
2505 | |
2506 | SSL_set_info_callback(ret,SSL_get_info_callback(s)); | |
2507 | ||
2508 | ret->debug=s->debug; | |
2509 | ||
2510 | /* copy app data, a little dangerous perhaps */ | |
79aa04ef | 2511 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) |
58964a49 | 2512 | goto err; |
d02b48c6 RE |
2513 | |
2514 | /* setup rbio, and wbio */ | |
2515 | if (s->rbio != NULL) | |
2516 | { | |
2517 | if (!BIO_dup_state(s->rbio,(char *)&ret->rbio)) | |
2518 | goto err; | |
2519 | } | |
2520 | if (s->wbio != NULL) | |
2521 | { | |
2522 | if (s->wbio != s->rbio) | |
2523 | { | |
58964a49 | 2524 | if (!BIO_dup_state(s->wbio,(char *)&ret->wbio)) |
d02b48c6 RE |
2525 | goto err; |
2526 | } | |
2527 | else | |
2528 | ret->wbio=ret->rbio; | |
2529 | } | |
bf21446a BM |
2530 | ret->rwstate = s->rwstate; |
2531 | ret->in_handshake = s->in_handshake; | |
2532 | ret->handshake_func = s->handshake_func; | |
2533 | ret->server = s->server; | |
2534 | ret->new_session = s->new_session; | |
2535 | ret->quiet_shutdown = s->quiet_shutdown; | |
2536 | ret->shutdown=s->shutdown; | |
2537 | ret->state=s->state; /* SSL_dup does not really work at any state, though */ | |
2538 | ret->rstate=s->rstate; | |
2539 | ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */ | |
2540 | ret->hit=s->hit; | |
5d7c222d DSH |
2541 | |
2542 | X509_VERIFY_PARAM_inherit(ret->param, s->param); | |
d02b48c6 RE |
2543 | |
2544 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
2545 | if (s->cipher_list != NULL) | |
2546 | { | |
f73e07cf | 2547 | if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) |
d02b48c6 RE |
2548 | goto err; |
2549 | } | |
2550 | if (s->cipher_list_by_id != NULL) | |
f73e07cf | 2551 | if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id)) |
d02b48c6 RE |
2552 | == NULL) |
2553 | goto err; | |
2554 | ||
2555 | /* Dup the client_CA list */ | |
2556 | if (s->client_CA != NULL) | |
2557 | { | |
f73e07cf | 2558 | if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err; |
d02b48c6 | 2559 | ret->client_CA=sk; |
f73e07cf | 2560 | for (i=0; i<sk_X509_NAME_num(sk); i++) |
d02b48c6 | 2561 | { |
f73e07cf BL |
2562 | xn=sk_X509_NAME_value(sk,i); |
2563 | if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL) | |
d02b48c6 RE |
2564 | { |
2565 | X509_NAME_free(xn); | |
2566 | goto err; | |
2567 | } | |
2568 | } | |
2569 | } | |
2570 | ||
d02b48c6 RE |
2571 | if (0) |
2572 | { | |
2573 | err: | |
2574 | if (ret != NULL) SSL_free(ret); | |
2575 | ret=NULL; | |
2576 | } | |
2577 | return(ret); | |
2578 | } | |
2579 | ||
4f43d0e7 | 2580 | void ssl_clear_cipher_ctx(SSL *s) |
d02b48c6 | 2581 | { |
8a41eb70 BM |
2582 | if (s->enc_read_ctx != NULL) |
2583 | { | |
2584 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
26a3a48d | 2585 | OPENSSL_free(s->enc_read_ctx); |
8a41eb70 BM |
2586 | s->enc_read_ctx=NULL; |
2587 | } | |
2588 | if (s->enc_write_ctx != NULL) | |
2589 | { | |
2590 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
26a3a48d | 2591 | OPENSSL_free(s->enc_write_ctx); |
8a41eb70 BM |
2592 | s->enc_write_ctx=NULL; |
2593 | } | |
09b6c2ef | 2594 | #ifndef OPENSSL_NO_COMP |
413c4f45 MC |
2595 | if (s->expand != NULL) |
2596 | { | |
2597 | COMP_CTX_free(s->expand); | |
2598 | s->expand=NULL; | |
2599 | } | |
2600 | if (s->compress != NULL) | |
2601 | { | |
2602 | COMP_CTX_free(s->compress); | |
2603 | s->compress=NULL; | |
2604 | } | |
09b6c2ef | 2605 | #endif |
d02b48c6 RE |
2606 | } |
2607 | ||
58964a49 | 2608 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 2609 | X509 *SSL_get_certificate(const SSL *s) |
d02b48c6 RE |
2610 | { |
2611 | if (s->cert != NULL) | |
2612 | return(s->cert->key->x509); | |
2613 | else | |
2614 | return(NULL); | |
2615 | } | |
2616 | ||
58964a49 | 2617 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 2618 | EVP_PKEY *SSL_get_privatekey(SSL *s) |
d02b48c6 RE |
2619 | { |
2620 | if (s->cert != NULL) | |
2621 | return(s->cert->key->privatekey); | |
2622 | else | |
2623 | return(NULL); | |
2624 | } | |
2625 | ||
babb3798 | 2626 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
d02b48c6 | 2627 | { |
b1c4fe36 BM |
2628 | if ((s->session != NULL) && (s->session->cipher != NULL)) |
2629 | return(s->session->cipher); | |
2630 | return(NULL); | |
d02b48c6 | 2631 | } |
09b6c2ef DSH |
2632 | #ifdef OPENSSL_NO_COMP |
2633 | const void *SSL_get_current_compression(SSL *s) | |
2634 | { | |
2635 | return NULL; | |
2636 | } | |
2637 | const void *SSL_get_current_expansion(SSL *s) | |
2638 | { | |
2639 | return NULL; | |
2640 | } | |
2641 | #else | |
d02b48c6 | 2642 | |
377dcdba RL |
2643 | const COMP_METHOD *SSL_get_current_compression(SSL *s) |
2644 | { | |
2645 | if (s->compress != NULL) | |
2646 | return(s->compress->meth); | |
2647 | return(NULL); | |
2648 | } | |
2649 | ||
2650 | const COMP_METHOD *SSL_get_current_expansion(SSL *s) | |
2651 | { | |
2652 | if (s->expand != NULL) | |
2653 | return(s->expand->meth); | |
2654 | return(NULL); | |
2655 | } | |
09b6c2ef | 2656 | #endif |
377dcdba | 2657 | |
4f43d0e7 | 2658 | int ssl_init_wbio_buffer(SSL *s,int push) |
58964a49 RE |
2659 | { |
2660 | BIO *bbio; | |
2661 | ||
2662 | if (s->bbio == NULL) | |
2663 | { | |
2664 | bbio=BIO_new(BIO_f_buffer()); | |
2665 | if (bbio == NULL) return(0); | |
2666 | s->bbio=bbio; | |
2667 | } | |
2668 | else | |
2669 | { | |
2670 | bbio=s->bbio; | |
2671 | if (s->bbio == s->wbio) | |
2672 | s->wbio=BIO_pop(s->wbio); | |
2673 | } | |
d58d092b | 2674 | (void)BIO_reset(bbio); |
58964a49 RE |
2675 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ |
2676 | if (!BIO_set_read_buffer_size(bbio,1)) | |
2677 | { | |
2678 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB); | |
2679 | return(0); | |
2680 | } | |
2681 | if (push) | |
2682 | { | |
2683 | if (s->wbio != bbio) | |
2684 | s->wbio=BIO_push(bbio,s->wbio); | |
2685 | } | |
2686 | else | |
2687 | { | |
2688 | if (s->wbio == bbio) | |
2689 | s->wbio=BIO_pop(bbio); | |
2690 | } | |
2691 | return(1); | |
2692 | } | |
413c4f45 | 2693 | |
4f43d0e7 | 2694 | void ssl_free_wbio_buffer(SSL *s) |
413c4f45 | 2695 | { |
413c4f45 MC |
2696 | if (s->bbio == NULL) return; |
2697 | ||
2698 | if (s->bbio == s->wbio) | |
2699 | { | |
2700 | /* remove buffering */ | |
bbb8de09 BM |
2701 | s->wbio=BIO_pop(s->wbio); |
2702 | #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */ | |
2703 | assert(s->wbio != NULL); | |
52b8dad8 | 2704 | #endif |
bbb8de09 | 2705 | } |
413c4f45 MC |
2706 | BIO_free(s->bbio); |
2707 | s->bbio=NULL; | |
2708 | } | |
58964a49 | 2709 | |
4f43d0e7 | 2710 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode) |
58964a49 RE |
2711 | { |
2712 | ctx->quiet_shutdown=mode; | |
2713 | } | |
2714 | ||
0821bcd4 | 2715 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
58964a49 RE |
2716 | { |
2717 | return(ctx->quiet_shutdown); | |
2718 | } | |
2719 | ||
4f43d0e7 | 2720 | void SSL_set_quiet_shutdown(SSL *s,int mode) |
58964a49 RE |
2721 | { |
2722 | s->quiet_shutdown=mode; | |
2723 | } | |
2724 | ||
0821bcd4 | 2725 | int SSL_get_quiet_shutdown(const SSL *s) |
58964a49 RE |
2726 | { |
2727 | return(s->quiet_shutdown); | |
2728 | } | |
2729 | ||
4f43d0e7 | 2730 | void SSL_set_shutdown(SSL *s,int mode) |
58964a49 RE |
2731 | { |
2732 | s->shutdown=mode; | |
2733 | } | |
2734 | ||
0821bcd4 | 2735 | int SSL_get_shutdown(const SSL *s) |
58964a49 RE |
2736 | { |
2737 | return(s->shutdown); | |
2738 | } | |
2739 | ||
0821bcd4 | 2740 | int SSL_version(const SSL *s) |
58964a49 RE |
2741 | { |
2742 | return(s->version); | |
2743 | } | |
2744 | ||
0821bcd4 | 2745 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
58964a49 RE |
2746 | { |
2747 | return(ssl->ctx); | |
2748 | } | |
2749 | ||
ed3883d2 BM |
2750 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx) |
2751 | { | |
52b8dad8 | 2752 | if (ssl->ctx == ctx) |
a13c20f6 | 2753 | return ssl->ctx; |
367eb1f1 | 2754 | #ifndef OPENSSL_NO_TLSEXT |
a13c20f6 BM |
2755 | if (ctx == NULL) |
2756 | ctx = ssl->initial_ctx; | |
367eb1f1 | 2757 | #endif |
ed3883d2 BM |
2758 | if (ssl->cert != NULL) |
2759 | ssl_cert_free(ssl->cert); | |
2760 | ssl->cert = ssl_cert_dup(ctx->cert); | |
2761 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); | |
2762 | if (ssl->ctx != NULL) | |
2763 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ | |
2764 | ssl->ctx = ctx; | |
2765 | return(ssl->ctx); | |
2766 | } | |
2767 | ||
bc36ee62 | 2768 | #ifndef OPENSSL_NO_STDIO |
4f43d0e7 | 2769 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
58964a49 RE |
2770 | { |
2771 | return(X509_STORE_set_default_paths(ctx->cert_store)); | |
2772 | } | |
2773 | ||
303c0028 BM |
2774 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
2775 | const char *CApath) | |
58964a49 RE |
2776 | { |
2777 | return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath)); | |
2778 | } | |
dfeab068 | 2779 | #endif |
58964a49 | 2780 | |
45d87a1f | 2781 | void SSL_set_info_callback(SSL *ssl, |
7806f3dd | 2782 | void (*cb)(const SSL *ssl,int type,int val)) |
58964a49 RE |
2783 | { |
2784 | ssl->info_callback=cb; | |
2785 | } | |
2786 | ||
543b4ecc RL |
2787 | /* One compiler (Diab DCC) doesn't like argument names in returned |
2788 | function pointer. */ | |
52b8dad8 | 2789 | void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/) |
58964a49 | 2790 | { |
45d87a1f | 2791 | return ssl->info_callback; |
58964a49 RE |
2792 | } |
2793 | ||
0821bcd4 | 2794 | int SSL_state(const SSL *ssl) |
58964a49 RE |
2795 | { |
2796 | return(ssl->state); | |
2797 | } | |
2798 | ||
4f43d0e7 | 2799 | void SSL_set_verify_result(SSL *ssl,long arg) |
58964a49 RE |
2800 | { |
2801 | ssl->verify_result=arg; | |
2802 | } | |
2803 | ||
0821bcd4 | 2804 | long SSL_get_verify_result(const SSL *ssl) |
58964a49 RE |
2805 | { |
2806 | return(ssl->verify_result); | |
2807 | } | |
2808 | ||
dd9d233e DSH |
2809 | int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2810 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2811 | { |
79aa04ef GT |
2812 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp, |
2813 | new_func, dup_func, free_func); | |
b1c4fe36 | 2814 | } |
58964a49 | 2815 | |
4f43d0e7 | 2816 | int SSL_set_ex_data(SSL *s,int idx,void *arg) |
58964a49 RE |
2817 | { |
2818 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2819 | } | |
2820 | ||
0821bcd4 | 2821 | void *SSL_get_ex_data(const SSL *s,int idx) |
58964a49 RE |
2822 | { |
2823 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2824 | } | |
2825 | ||
dd9d233e DSH |
2826 | int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2827 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2828 | { |
79aa04ef GT |
2829 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp, |
2830 | new_func, dup_func, free_func); | |
b1c4fe36 | 2831 | } |
58964a49 | 2832 | |
4f43d0e7 | 2833 | int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg) |
58964a49 RE |
2834 | { |
2835 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2836 | } | |
2837 | ||
0821bcd4 | 2838 | void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx) |
58964a49 RE |
2839 | { |
2840 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2841 | } | |
2842 | ||
4f43d0e7 | 2843 | int ssl_ok(SSL *s) |
dfeab068 RE |
2844 | { |
2845 | return(1); | |
2846 | } | |
2847 | ||
0821bcd4 | 2848 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
413c4f45 MC |
2849 | { |
2850 | return(ctx->cert_store); | |
2851 | } | |
2852 | ||
4f43d0e7 | 2853 | void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store) |
413c4f45 MC |
2854 | { |
2855 | if (ctx->cert_store != NULL) | |
2856 | X509_STORE_free(ctx->cert_store); | |
2857 | ctx->cert_store=store; | |
2858 | } | |
2859 | ||
0821bcd4 | 2860 | int SSL_want(const SSL *s) |
413c4f45 MC |
2861 | { |
2862 | return(s->rwstate); | |
2863 | } | |
2864 | ||
4f43d0e7 BL |
2865 | /*! |
2866 | * \brief Set the callback for generating temporary RSA keys. | |
2867 | * \param ctx the SSL context. | |
2868 | * \param cb the callback | |
2869 | */ | |
2870 | ||
bc36ee62 | 2871 | #ifndef OPENSSL_NO_RSA |
df63a389 UM |
2872 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl, |
2873 | int is_export, | |
60e31c3a | 2874 | int keylength)) |
a9188d4e | 2875 | { |
41a15c4f | 2876 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); |
a9188d4e | 2877 | } |
79df9d62 | 2878 | |
d3442bc7 RL |
2879 | void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl, |
2880 | int is_export, | |
2881 | int keylength)) | |
a9188d4e | 2882 | { |
41a15c4f | 2883 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); |
a9188d4e | 2884 | } |
79df9d62 | 2885 | #endif |
f8c3c05d | 2886 | |
4f43d0e7 BL |
2887 | #ifdef DOXYGEN |
2888 | /*! | |
2889 | * \brief The RSA temporary key callback function. | |
2890 | * \param ssl the SSL session. | |
df63a389 UM |
2891 | * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite. |
2892 | * \param keylength if \c is_export is \c TRUE, then \c keylength is the size | |
2893 | * of the required key in bits. | |
4f43d0e7 BL |
2894 | * \return the temporary RSA key. |
2895 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
2896 | */ | |
2897 | ||
df63a389 | 2898 | RSA *cb(SSL *ssl,int is_export,int keylength) |
4f43d0e7 BL |
2899 | {} |
2900 | #endif | |
2901 | ||
2902 | /*! | |
2903 | * \brief Set the callback for generating temporary DH keys. | |
2904 | * \param ctx the SSL context. | |
2905 | * \param dh the callback | |
2906 | */ | |
2907 | ||
bc36ee62 | 2908 | #ifndef OPENSSL_NO_DH |
df63a389 | 2909 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export, |
52b8dad8 | 2910 | int keylength)) |
a661b653 | 2911 | { |
41a15c4f | 2912 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); |
a661b653 | 2913 | } |
f8c3c05d | 2914 | |
df63a389 | 2915 | void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export, |
52b8dad8 | 2916 | int keylength)) |
a661b653 | 2917 | { |
41a15c4f | 2918 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); |
a661b653 | 2919 | } |
79df9d62 | 2920 | #endif |
15d21c2d | 2921 | |
ea262260 BM |
2922 | #ifndef OPENSSL_NO_ECDH |
2923 | void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export, | |
52b8dad8 | 2924 | int keylength)) |
ea262260 | 2925 | { |
41a15c4f | 2926 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); |
ea262260 BM |
2927 | } |
2928 | ||
2929 | void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export, | |
52b8dad8 | 2930 | int keylength)) |
ea262260 | 2931 | { |
41a15c4f | 2932 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); |
ea262260 BM |
2933 | } |
2934 | #endif | |
2935 | ||
ddac1974 NL |
2936 | #ifndef OPENSSL_NO_PSK |
2937 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
2938 | { | |
2939 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) | |
2940 | { | |
2941 | SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); | |
2942 | return 0; | |
2943 | } | |
2944 | if (ctx->psk_identity_hint != NULL) | |
2945 | OPENSSL_free(ctx->psk_identity_hint); | |
2946 | if (identity_hint != NULL) | |
2947 | { | |
2948 | ctx->psk_identity_hint = BUF_strdup(identity_hint); | |
2949 | if (ctx->psk_identity_hint == NULL) | |
2950 | return 0; | |
2951 | } | |
2952 | else | |
2953 | ctx->psk_identity_hint = NULL; | |
2954 | return 1; | |
2955 | } | |
2956 | ||
2957 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
2958 | { | |
2959 | if (s == NULL) | |
2960 | return 0; | |
2961 | ||
2962 | if (s->session == NULL) | |
2963 | return 1; /* session not created yet, ignored */ | |
2964 | ||
2965 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) | |
2966 | { | |
2967 | SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); | |
2968 | return 0; | |
2969 | } | |
2970 | if (s->session->psk_identity_hint != NULL) | |
2971 | OPENSSL_free(s->session->psk_identity_hint); | |
2972 | if (identity_hint != NULL) | |
2973 | { | |
2974 | s->session->psk_identity_hint = BUF_strdup(identity_hint); | |
2975 | if (s->session->psk_identity_hint == NULL) | |
2976 | return 0; | |
2977 | } | |
2978 | else | |
2979 | s->session->psk_identity_hint = NULL; | |
2980 | return 1; | |
2981 | } | |
2982 | ||
2983 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
2984 | { | |
2985 | if (s == NULL || s->session == NULL) | |
2986 | return NULL; | |
2987 | return(s->session->psk_identity_hint); | |
2988 | } | |
2989 | ||
2990 | const char *SSL_get_psk_identity(const SSL *s) | |
2991 | { | |
2992 | if (s == NULL || s->session == NULL) | |
2993 | return NULL; | |
2994 | return(s->session->psk_identity); | |
2995 | } | |
7806f3dd | 2996 | |
52b8dad8 BM |
2997 | void SSL_set_psk_client_callback(SSL *s, |
2998 | unsigned int (*cb)(SSL *ssl, const char *hint, | |
2999 | char *identity, unsigned int max_identity_len, unsigned char *psk, | |
3000 | unsigned int max_psk_len)) | |
7806f3dd | 3001 | { |
52b8dad8 | 3002 | s->psk_client_callback = cb; |
7806f3dd NL |
3003 | } |
3004 | ||
3005 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, | |
52b8dad8 BM |
3006 | unsigned int (*cb)(SSL *ssl, const char *hint, |
3007 | char *identity, unsigned int max_identity_len, unsigned char *psk, | |
3008 | unsigned int max_psk_len)) | |
7806f3dd | 3009 | { |
52b8dad8 | 3010 | ctx->psk_client_callback = cb; |
7806f3dd NL |
3011 | } |
3012 | ||
52b8dad8 BM |
3013 | void SSL_set_psk_server_callback(SSL *s, |
3014 | unsigned int (*cb)(SSL *ssl, const char *identity, | |
3015 | unsigned char *psk, unsigned int max_psk_len)) | |
7806f3dd | 3016 | { |
52b8dad8 | 3017 | s->psk_server_callback = cb; |
7806f3dd NL |
3018 | } |
3019 | ||
3020 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, | |
52b8dad8 BM |
3021 | unsigned int (*cb)(SSL *ssl, const char *identity, |
3022 | unsigned char *psk, unsigned int max_psk_len)) | |
7806f3dd | 3023 | { |
52b8dad8 | 3024 | ctx->psk_server_callback = cb; |
7806f3dd | 3025 | } |
ddac1974 | 3026 | #endif |
a661b653 BM |
3027 | |
3028 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)) | |
3029 | { | |
41a15c4f | 3030 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); |
a661b653 BM |
3031 | } |
3032 | void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)) | |
3033 | { | |
41a15c4f | 3034 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); |
a661b653 BM |
3035 | } |
3036 | ||
b948e2c5 DSH |
3037 | /* Allocates new EVP_MD_CTX and sets pointer to it into given pointer |
3038 | * vairable, freeing EVP_MD_CTX previously stored in that variable, if | |
3039 | * any. If EVP_MD pointer is passed, initializes ctx with this md | |
3040 | * Returns newly allocated ctx; | |
8671b898 | 3041 | */ |
b948e2c5 DSH |
3042 | |
3043 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) | |
3044 | { | |
3045 | ssl_clear_hash_ctx(hash); | |
3046 | *hash = EVP_MD_CTX_create(); | |
3047 | if (md) EVP_DigestInit_ex(*hash,md,NULL); | |
3048 | return *hash; | |
3049 | } | |
3050 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash) | |
3051 | { | |
3052 | ||
3053 | if (*hash) EVP_MD_CTX_destroy(*hash); | |
3054 | *hash=NULL; | |
3055 | } | |
a661b653 | 3056 | |
bc36ee62 | 3057 | #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16) |
58964a49 RE |
3058 | #include "../crypto/bio/bss_file.c" |
3059 | #endif | |
f73e07cf BL |
3060 | |
3061 | IMPLEMENT_STACK_OF(SSL_CIPHER) | |
3062 | IMPLEMENT_STACK_OF(SSL_COMP) | |
06ddf8eb DSH |
3063 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, |
3064 | ssl_cipher_id); | |
3065 |