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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), | |
262 | &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST); | |
f73e07cf | 263 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) |
d02b48c6 RE |
264 | { |
265 | SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); | |
266 | return(0); | |
267 | } | |
268 | return(1); | |
269 | } | |
270 | ||
4f43d0e7 | 271 | SSL *SSL_new(SSL_CTX *ctx) |
d02b48c6 RE |
272 | { |
273 | SSL *s; | |
274 | ||
275 | if (ctx == NULL) | |
276 | { | |
277 | SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX); | |
278 | return(NULL); | |
279 | } | |
280 | if (ctx->method == NULL) | |
281 | { | |
282 | SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); | |
283 | return(NULL); | |
284 | } | |
285 | ||
26a3a48d | 286 | s=(SSL *)OPENSSL_malloc(sizeof(SSL)); |
d02b48c6 RE |
287 | if (s == NULL) goto err; |
288 | memset(s,0,sizeof(SSL)); | |
289 | ||
bc36ee62 | 290 | #ifndef OPENSSL_NO_KRB5 |
f9b3bff6 | 291 | s->kssl_ctx = kssl_ctx_new(); |
bc36ee62 | 292 | #endif /* OPENSSL_NO_KRB5 */ |
f9b3bff6 | 293 | |
bf21446a BM |
294 | s->options=ctx->options; |
295 | s->mode=ctx->mode; | |
296 | s->max_cert_list=ctx->max_cert_list; | |
297 | ||
ca8e5b9b | 298 | if (ctx->cert != NULL) |
d02b48c6 | 299 | { |
ca8e5b9b BM |
300 | /* Earlier library versions used to copy the pointer to |
301 | * the CERT, not its contents; only when setting new | |
302 | * parameters for the per-SSL copy, ssl_cert_new would be | |
303 | * called (and the direct reference to the per-SSL_CTX | |
304 | * settings would be lost, but those still were indirectly | |
305 | * accessed for various purposes, and for that reason they | |
306 | * used to be known as s->ctx->default_cert). | |
307 | * Now we don't look at the SSL_CTX's CERT after having | |
308 | * duplicated it once. */ | |
309 | ||
310 | s->cert = ssl_cert_dup(ctx->cert); | |
311 | if (s->cert == NULL) | |
312 | goto err; | |
d02b48c6 RE |
313 | } |
314 | else | |
ca8e5b9b | 315 | s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */ |
bf21446a BM |
316 | |
317 | s->read_ahead=ctx->read_ahead; | |
318 | s->msg_callback=ctx->msg_callback; | |
319 | s->msg_callback_arg=ctx->msg_callback_arg; | |
413c4f45 | 320 | s->verify_mode=ctx->verify_mode; |
5d7c222d | 321 | #if 0 |
7f89714e | 322 | s->verify_depth=ctx->verify_depth; |
5d7c222d | 323 | #endif |
bf21446a | 324 | s->sid_ctx_length=ctx->sid_ctx_length; |
54a656ef | 325 | OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx); |
bf21446a | 326 | memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx)); |
d02b48c6 | 327 | s->verify_callback=ctx->default_verify_callback; |
dc644fe2 | 328 | s->generate_session_id=ctx->generate_session_id; |
5d7c222d DSH |
329 | |
330 | s->param = X509_VERIFY_PARAM_new(); | |
331 | if (!s->param) | |
332 | goto err; | |
333 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); | |
334 | #if 0 | |
13938ace DSH |
335 | s->purpose = ctx->purpose; |
336 | s->trust = ctx->trust; | |
5d7c222d | 337 | #endif |
bf21446a | 338 | s->quiet_shutdown=ctx->quiet_shutdown; |
566dda07 | 339 | s->max_send_fragment = ctx->max_send_fragment; |
bf21446a | 340 | |
d02b48c6 RE |
341 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); |
342 | s->ctx=ctx; | |
1aeb3da8 | 343 | #ifndef OPENSSL_NO_TLSEXT |
6434abbf DSH |
344 | s->tlsext_debug_cb = 0; |
345 | s->tlsext_debug_arg = NULL; | |
346 | s->tlsext_ticket_expected = 0; | |
67c8e7f4 DSH |
347 | s->tlsext_status_type = -1; |
348 | s->tlsext_status_expected = 0; | |
349 | s->tlsext_ocsp_ids = NULL; | |
350 | s->tlsext_ocsp_exts = NULL; | |
351 | s->tlsext_ocsp_resp = NULL; | |
352 | s->tlsext_ocsp_resplen = -1; | |
1aeb3da8 BM |
353 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); |
354 | s->initial_ctx=ctx; | |
355 | #endif | |
d02b48c6 RE |
356 | |
357 | s->verify_result=X509_V_OK; | |
358 | ||
359 | s->method=ctx->method; | |
360 | ||
361 | if (!s->method->ssl_new(s)) | |
d02b48c6 | 362 | goto err; |
d02b48c6 | 363 | |
58964a49 | 364 | s->references=1; |
413c4f45 | 365 | s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1; |
bf21446a | 366 | |
d02b48c6 | 367 | SSL_clear(s); |
58964a49 | 368 | |
79aa04ef | 369 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 370 | |
ddac1974 NL |
371 | #ifndef OPENSSL_NO_PSK |
372 | s->psk_client_callback=ctx->psk_client_callback; | |
373 | s->psk_server_callback=ctx->psk_server_callback; | |
374 | #endif | |
375 | ||
d02b48c6 RE |
376 | return(s); |
377 | err: | |
ca8e5b9b BM |
378 | if (s != NULL) |
379 | { | |
380 | if (s->cert != NULL) | |
381 | ssl_cert_free(s->cert); | |
382 | if (s->ctx != NULL) | |
383 | SSL_CTX_free(s->ctx); /* decrement reference count */ | |
26a3a48d | 384 | OPENSSL_free(s); |
ca8e5b9b | 385 | } |
d02b48c6 RE |
386 | SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE); |
387 | return(NULL); | |
388 | } | |
389 | ||
4eb77b26 BM |
390 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx, |
391 | unsigned int sid_ctx_len) | |
392 | { | |
54a656ef | 393 | if(sid_ctx_len > sizeof ctx->sid_ctx) |
4eb77b26 BM |
394 | { |
395 | SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
396 | return 0; | |
397 | } | |
398 | ctx->sid_ctx_length=sid_ctx_len; | |
399 | memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len); | |
400 | ||
401 | return 1; | |
402 | } | |
403 | ||
b4cadc6e BL |
404 | int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx, |
405 | unsigned int sid_ctx_len) | |
406 | { | |
407 | if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) | |
408 | { | |
409 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
410 | return 0; | |
411 | } | |
412 | ssl->sid_ctx_length=sid_ctx_len; | |
413 | memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len); | |
414 | ||
415 | return 1; | |
416 | } | |
417 | ||
dc644fe2 GT |
418 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
419 | { | |
420 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
421 | ctx->generate_session_id = cb; | |
422 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
423 | return 1; | |
424 | } | |
425 | ||
426 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
427 | { | |
428 | CRYPTO_w_lock(CRYPTO_LOCK_SSL); | |
429 | ssl->generate_session_id = cb; | |
430 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL); | |
431 | return 1; | |
432 | } | |
433 | ||
f85c9904 | 434 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
6343829a | 435 | unsigned int id_len) |
dc644fe2 GT |
436 | { |
437 | /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
438 | * we can "construct" a session to give us the desired check - ie. to | |
439 | * find if there's a session in the hash table that would conflict with | |
440 | * any new session built out of this id/id_len and the ssl_version in | |
f85c9904 | 441 | * use by this SSL. */ |
dc644fe2 | 442 | SSL_SESSION r, *p; |
54a656ef BL |
443 | |
444 | if(id_len > sizeof r.session_id) | |
445 | return 0; | |
446 | ||
f85c9904 | 447 | r.ssl_version = ssl->version; |
dc644fe2 GT |
448 | r.session_id_length = id_len; |
449 | memcpy(r.session_id, id, id_len); | |
ec0f1959 GT |
450 | /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a |
451 | * callback is calling us to check the uniqueness of a shorter ID, it | |
452 | * must be compared as a padded-out ID because that is what it will be | |
453 | * converted to when the callback has finished choosing it. */ | |
454 | if((r.ssl_version == SSL2_VERSION) && | |
455 | (id_len < SSL2_SSL_SESSION_ID_LENGTH)) | |
456 | { | |
457 | memset(r.session_id + id_len, 0, | |
458 | SSL2_SSL_SESSION_ID_LENGTH - id_len); | |
459 | r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH; | |
460 | } | |
dc644fe2 GT |
461 | |
462 | CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); | |
3c1d6bbc | 463 | p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r); |
dc644fe2 GT |
464 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); |
465 | return (p != NULL); | |
466 | } | |
467 | ||
bb7cd4e3 | 468 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
bf21446a | 469 | { |
5d7c222d | 470 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); |
bf21446a | 471 | } |
bb7cd4e3 DSH |
472 | |
473 | int SSL_set_purpose(SSL *s, int purpose) | |
bf21446a | 474 | { |
5d7c222d | 475 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); |
bf21446a | 476 | } |
926a56bf | 477 | |
bb7cd4e3 | 478 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
bf21446a | 479 | { |
5d7c222d | 480 | return X509_VERIFY_PARAM_set_trust(s->param, trust); |
bf21446a | 481 | } |
bb7cd4e3 DSH |
482 | |
483 | int SSL_set_trust(SSL *s, int trust) | |
bf21446a | 484 | { |
5d7c222d | 485 | return X509_VERIFY_PARAM_set_trust(s->param, trust); |
bf21446a | 486 | } |
bb7cd4e3 | 487 | |
4f43d0e7 | 488 | void SSL_free(SSL *s) |
d02b48c6 | 489 | { |
58964a49 RE |
490 | int i; |
491 | ||
e03ddfae BL |
492 | if(s == NULL) |
493 | return; | |
494 | ||
58964a49 RE |
495 | i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL); |
496 | #ifdef REF_PRINT | |
497 | REF_PRINT("SSL",s); | |
498 | #endif | |
499 | if (i > 0) return; | |
500 | #ifdef REF_CHECK | |
501 | if (i < 0) | |
502 | { | |
503 | fprintf(stderr,"SSL_free, bad reference count\n"); | |
504 | abort(); /* ok */ | |
505 | } | |
506 | #endif | |
507 | ||
5d7c222d DSH |
508 | if (s->param) |
509 | X509_VERIFY_PARAM_free(s->param); | |
510 | ||
79aa04ef | 511 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 512 | |
d02b48c6 RE |
513 | if (s->bbio != NULL) |
514 | { | |
515 | /* If the buffering BIO is in place, pop it off */ | |
516 | if (s->bbio == s->wbio) | |
517 | { | |
518 | s->wbio=BIO_pop(s->wbio); | |
519 | } | |
520 | BIO_free(s->bbio); | |
58964a49 | 521 | s->bbio=NULL; |
d02b48c6 RE |
522 | } |
523 | if (s->rbio != NULL) | |
524 | BIO_free_all(s->rbio); | |
525 | if ((s->wbio != NULL) && (s->wbio != s->rbio)) | |
526 | BIO_free_all(s->wbio); | |
527 | ||
528 | if (s->init_buf != NULL) BUF_MEM_free(s->init_buf); | |
529 | ||
530 | /* add extra stuff */ | |
f73e07cf BL |
531 | if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list); |
532 | if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
d02b48c6 RE |
533 | |
534 | /* Make the next call work :-) */ | |
535 | if (s->session != NULL) | |
536 | { | |
537 | ssl_clear_bad_session(s); | |
538 | SSL_SESSION_free(s->session); | |
539 | } | |
540 | ||
541 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
542 | ssl_clear_hash_ctx(&s->read_hash); |
543 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 RE |
544 | |
545 | if (s->cert != NULL) ssl_cert_free(s->cert); | |
546 | /* Free up if allocated */ | |
547 | ||
548 | if (s->ctx) SSL_CTX_free(s->ctx); | |
1aeb3da8 | 549 | #ifndef OPENSSL_NO_TLSEXT |
7587347b BL |
550 | if (s->tlsext_hostname) |
551 | OPENSSL_free(s->tlsext_hostname); | |
1aeb3da8 | 552 | if (s->initial_ctx) SSL_CTX_free(s->initial_ctx); |
dc1d1b69 BM |
553 | #ifndef OPENSSL_NO_EC |
554 | if (s->tlsext_ecpointformatlist) OPENSSL_free(s->tlsext_ecpointformatlist); | |
555 | if (s->tlsext_ellipticcurvelist) OPENSSL_free(s->tlsext_ellipticcurvelist); | |
556 | #endif /* OPENSSL_NO_EC */ | |
761772d7 | 557 | if (s->tlsext_opaque_prf_input) OPENSSL_free(s->tlsext_opaque_prf_input); |
67c8e7f4 DSH |
558 | if (s->tlsext_ocsp_exts) |
559 | sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, | |
560 | X509_EXTENSION_free); | |
561 | if (s->tlsext_ocsp_ids) | |
562 | sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free); | |
563 | if (s->tlsext_ocsp_resp) | |
564 | OPENSSL_free(s->tlsext_ocsp_resp); | |
1aeb3da8 | 565 | #endif |
d02b48c6 RE |
566 | |
567 | if (s->client_CA != NULL) | |
f73e07cf | 568 | sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free); |
d02b48c6 RE |
569 | |
570 | if (s->method != NULL) s->method->ssl_free(s); | |
571 | ||
0e6c20da RL |
572 | #ifndef OPENSSL_NO_KRB5 |
573 | if (s->kssl_ctx != NULL) | |
574 | kssl_ctx_free(s->kssl_ctx); | |
575 | #endif /* OPENSSL_NO_KRB5 */ | |
576 | ||
26a3a48d | 577 | OPENSSL_free(s); |
d02b48c6 RE |
578 | } |
579 | ||
4f43d0e7 | 580 | void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio) |
d02b48c6 RE |
581 | { |
582 | /* If the output buffering BIO is still in place, remove it | |
583 | */ | |
584 | if (s->bbio != NULL) | |
585 | { | |
586 | if (s->wbio == s->bbio) | |
587 | { | |
588 | s->wbio=s->wbio->next_bio; | |
589 | s->bbio->next_bio=NULL; | |
590 | } | |
591 | } | |
592 | if ((s->rbio != NULL) && (s->rbio != rbio)) | |
593 | BIO_free_all(s->rbio); | |
594 | if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio)) | |
595 | BIO_free_all(s->wbio); | |
596 | s->rbio=rbio; | |
597 | s->wbio=wbio; | |
598 | } | |
599 | ||
0821bcd4 | 600 | BIO *SSL_get_rbio(const SSL *s) |
d02b48c6 RE |
601 | { return(s->rbio); } |
602 | ||
0821bcd4 | 603 | BIO *SSL_get_wbio(const SSL *s) |
d02b48c6 RE |
604 | { return(s->wbio); } |
605 | ||
0821bcd4 | 606 | int SSL_get_fd(const SSL *s) |
24cbf3ef | 607 | { |
fa293e4e | 608 | return(SSL_get_rfd(s)); |
24cbf3ef RL |
609 | } |
610 | ||
0821bcd4 | 611 | int SSL_get_rfd(const SSL *s) |
d02b48c6 RE |
612 | { |
613 | int ret= -1; | |
614 | BIO *b,*r; | |
615 | ||
616 | b=SSL_get_rbio(s); | |
617 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
618 | if (r != NULL) | |
619 | BIO_get_fd(r,&ret); | |
620 | return(ret); | |
621 | } | |
622 | ||
0821bcd4 | 623 | int SSL_get_wfd(const SSL *s) |
24cbf3ef RL |
624 | { |
625 | int ret= -1; | |
626 | BIO *b,*r; | |
627 | ||
628 | b=SSL_get_wbio(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 | ||
bc36ee62 | 635 | #ifndef OPENSSL_NO_SOCK |
4f43d0e7 | 636 | int SSL_set_fd(SSL *s,int fd) |
d02b48c6 RE |
637 | { |
638 | int ret=0; | |
639 | BIO *bio=NULL; | |
640 | ||
641 | bio=BIO_new(BIO_s_socket()); | |
642 | ||
643 | if (bio == NULL) | |
644 | { | |
645 | SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB); | |
646 | goto err; | |
647 | } | |
648 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
649 | SSL_set_bio(s,bio,bio); | |
650 | ret=1; | |
651 | err: | |
652 | return(ret); | |
653 | } | |
654 | ||
4f43d0e7 | 655 | int SSL_set_wfd(SSL *s,int fd) |
d02b48c6 RE |
656 | { |
657 | int ret=0; | |
658 | BIO *bio=NULL; | |
659 | ||
58964a49 RE |
660 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) |
661 | || ((int)BIO_get_fd(s->rbio,NULL) != fd)) | |
662 | { | |
663 | bio=BIO_new(BIO_s_socket()); | |
d02b48c6 | 664 | |
58964a49 RE |
665 | if (bio == NULL) |
666 | { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; } | |
667 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
668 | SSL_set_bio(s,SSL_get_rbio(s),bio); | |
669 | } | |
670 | else | |
671 | SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s)); | |
d02b48c6 RE |
672 | ret=1; |
673 | err: | |
674 | return(ret); | |
675 | } | |
676 | ||
4f43d0e7 | 677 | int SSL_set_rfd(SSL *s,int fd) |
d02b48c6 RE |
678 | { |
679 | int ret=0; | |
680 | BIO *bio=NULL; | |
681 | ||
58964a49 RE |
682 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) |
683 | || ((int)BIO_get_fd(s->wbio,NULL) != fd)) | |
d02b48c6 | 684 | { |
58964a49 RE |
685 | bio=BIO_new(BIO_s_socket()); |
686 | ||
687 | if (bio == NULL) | |
688 | { | |
689 | SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB); | |
690 | goto err; | |
691 | } | |
692 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
693 | SSL_set_bio(s,bio,SSL_get_wbio(s)); | |
d02b48c6 | 694 | } |
58964a49 RE |
695 | else |
696 | SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s)); | |
d02b48c6 RE |
697 | ret=1; |
698 | err: | |
699 | return(ret); | |
700 | } | |
701 | #endif | |
702 | ||
ca03109c BM |
703 | |
704 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 705 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
ca03109c BM |
706 | { |
707 | size_t ret = 0; | |
708 | ||
709 | if (s->s3 != NULL) | |
710 | { | |
711 | ret = s->s3->tmp.finish_md_len; | |
712 | if (count > ret) | |
713 | count = ret; | |
714 | memcpy(buf, s->s3->tmp.finish_md, count); | |
715 | } | |
716 | return ret; | |
717 | } | |
718 | ||
719 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 720 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
ca03109c BM |
721 | { |
722 | size_t ret = 0; | |
723 | ||
724 | if (s->s3 != NULL) | |
725 | { | |
726 | ret = s->s3->tmp.peer_finish_md_len; | |
727 | if (count > ret) | |
728 | count = ret; | |
729 | memcpy(buf, s->s3->tmp.peer_finish_md, count); | |
730 | } | |
731 | return ret; | |
732 | } | |
733 | ||
734 | ||
0821bcd4 | 735 | int SSL_get_verify_mode(const SSL *s) |
d02b48c6 RE |
736 | { |
737 | return(s->verify_mode); | |
738 | } | |
739 | ||
0821bcd4 | 740 | int SSL_get_verify_depth(const SSL *s) |
7f89714e | 741 | { |
5d7c222d | 742 | return X509_VERIFY_PARAM_get_depth(s->param); |
7f89714e BM |
743 | } |
744 | ||
0821bcd4 | 745 | int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *) |
d02b48c6 RE |
746 | { |
747 | return(s->verify_callback); | |
748 | } | |
749 | ||
0821bcd4 | 750 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
d02b48c6 | 751 | { |
413c4f45 | 752 | return(ctx->verify_mode); |
d02b48c6 RE |
753 | } |
754 | ||
0821bcd4 | 755 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
7f89714e | 756 | { |
5d7c222d | 757 | return X509_VERIFY_PARAM_get_depth(ctx->param); |
7f89714e BM |
758 | } |
759 | ||
0821bcd4 | 760 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *) |
d02b48c6 RE |
761 | { |
762 | return(ctx->default_verify_callback); | |
763 | } | |
764 | ||
49bc2624 BL |
765 | void SSL_set_verify(SSL *s,int mode, |
766 | int (*callback)(int ok,X509_STORE_CTX *ctx)) | |
d02b48c6 RE |
767 | { |
768 | s->verify_mode=mode; | |
769 | if (callback != NULL) | |
770 | s->verify_callback=callback; | |
771 | } | |
772 | ||
7f89714e BM |
773 | void SSL_set_verify_depth(SSL *s,int depth) |
774 | { | |
5d7c222d | 775 | X509_VERIFY_PARAM_set_depth(s->param, depth); |
7f89714e BM |
776 | } |
777 | ||
4f43d0e7 | 778 | void SSL_set_read_ahead(SSL *s,int yes) |
d02b48c6 RE |
779 | { |
780 | s->read_ahead=yes; | |
781 | } | |
782 | ||
0821bcd4 | 783 | int SSL_get_read_ahead(const SSL *s) |
d02b48c6 RE |
784 | { |
785 | return(s->read_ahead); | |
786 | } | |
787 | ||
0821bcd4 | 788 | int SSL_pending(const SSL *s) |
d02b48c6 | 789 | { |
24b44446 BM |
790 | /* SSL_pending cannot work properly if read-ahead is enabled |
791 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), | |
792 | * and it is impossible to fix since SSL_pending cannot report | |
793 | * errors that may be observed while scanning the new data. | |
794 | * (Note that SSL_pending() is often used as a boolean value, | |
795 | * so we'd better not return -1.) | |
796 | */ | |
d02b48c6 RE |
797 | return(s->method->ssl_pending(s)); |
798 | } | |
799 | ||
0821bcd4 | 800 | X509 *SSL_get_peer_certificate(const SSL *s) |
d02b48c6 RE |
801 | { |
802 | X509 *r; | |
803 | ||
804 | if ((s == NULL) || (s->session == NULL)) | |
805 | r=NULL; | |
806 | else | |
807 | r=s->session->peer; | |
808 | ||
809 | if (r == NULL) return(r); | |
810 | ||
811 | CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509); | |
812 | ||
813 | return(r); | |
814 | } | |
815 | ||
0821bcd4 | 816 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
d02b48c6 | 817 | { |
f73e07cf | 818 | STACK_OF(X509) *r; |
d02b48c6 | 819 | |
9d5cceac | 820 | if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL)) |
d02b48c6 RE |
821 | r=NULL; |
822 | else | |
9d5cceac | 823 | r=s->session->sess_cert->cert_chain; |
d02b48c6 | 824 | |
98e04f9e BM |
825 | /* If we are a client, cert_chain includes the peer's own |
826 | * certificate; if we are a server, it does not. */ | |
827 | ||
d02b48c6 RE |
828 | return(r); |
829 | } | |
830 | ||
831 | /* Now in theory, since the calling process own 't' it should be safe to | |
832 | * modify. We need to be able to read f without being hassled */ | |
0821bcd4 | 833 | void SSL_copy_session_id(SSL *t,const SSL *f) |
d02b48c6 RE |
834 | { |
835 | CERT *tmp; | |
836 | ||
837 | /* Do we need to to SSL locking? */ | |
838 | SSL_set_session(t,SSL_get_session(f)); | |
839 | ||
840 | /* what if we are setup as SSLv2 but want to talk SSLv3 or | |
841 | * vice-versa */ | |
842 | if (t->method != f->method) | |
843 | { | |
844 | t->method->ssl_free(t); /* cleanup current */ | |
845 | t->method=f->method; /* change method */ | |
846 | t->method->ssl_new(t); /* setup new */ | |
847 | } | |
848 | ||
849 | tmp=t->cert; | |
850 | if (f->cert != NULL) | |
851 | { | |
852 | CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT); | |
853 | t->cert=f->cert; | |
854 | } | |
855 | else | |
856 | t->cert=NULL; | |
857 | if (tmp != NULL) ssl_cert_free(tmp); | |
b4cadc6e | 858 | SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length); |
d02b48c6 RE |
859 | } |
860 | ||
58964a49 | 861 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 862 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
d02b48c6 RE |
863 | { |
864 | if ( (ctx == NULL) || | |
ca8e5b9b BM |
865 | (ctx->cert == NULL) || |
866 | (ctx->cert->key->x509 == NULL)) | |
d02b48c6 RE |
867 | { |
868 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
869 | return(0); | |
870 | } | |
ca8e5b9b | 871 | if (ctx->cert->key->privatekey == NULL) |
d02b48c6 RE |
872 | { |
873 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
874 | return(0); | |
875 | } | |
ca8e5b9b | 876 | return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey)); |
d02b48c6 RE |
877 | } |
878 | ||
58964a49 | 879 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 880 | int SSL_check_private_key(const SSL *ssl) |
d02b48c6 RE |
881 | { |
882 | if (ssl == NULL) | |
883 | { | |
884 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER); | |
885 | return(0); | |
886 | } | |
f3e67ac1 | 887 | if (ssl->cert == NULL) |
2b8e4959 | 888 | { |
52b8dad8 | 889 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); |
f3e67ac1 | 890 | return 0; |
2b8e4959 | 891 | } |
d02b48c6 RE |
892 | if (ssl->cert->key->x509 == NULL) |
893 | { | |
894 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
895 | return(0); | |
896 | } | |
897 | if (ssl->cert->key->privatekey == NULL) | |
898 | { | |
899 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
900 | return(0); | |
901 | } | |
902 | return(X509_check_private_key(ssl->cert->key->x509, | |
903 | ssl->cert->key->privatekey)); | |
904 | } | |
905 | ||
4f43d0e7 | 906 | int SSL_accept(SSL *s) |
d02b48c6 | 907 | { |
b31b04d9 BM |
908 | if (s->handshake_func == 0) |
909 | /* Not properly initialized yet */ | |
910 | SSL_set_accept_state(s); | |
911 | ||
d02b48c6 RE |
912 | return(s->method->ssl_accept(s)); |
913 | } | |
914 | ||
4f43d0e7 | 915 | int SSL_connect(SSL *s) |
d02b48c6 | 916 | { |
b31b04d9 BM |
917 | if (s->handshake_func == 0) |
918 | /* Not properly initialized yet */ | |
919 | SSL_set_connect_state(s); | |
920 | ||
d02b48c6 RE |
921 | return(s->method->ssl_connect(s)); |
922 | } | |
923 | ||
0821bcd4 | 924 | long SSL_get_default_timeout(const SSL *s) |
d02b48c6 RE |
925 | { |
926 | return(s->method->get_timeout()); | |
927 | } | |
928 | ||
e34cfcf7 | 929 | int SSL_read(SSL *s,void *buf,int num) |
d02b48c6 | 930 | { |
b31b04d9 BM |
931 | if (s->handshake_func == 0) |
932 | { | |
ff712220 | 933 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
934 | return -1; |
935 | } | |
936 | ||
d02b48c6 RE |
937 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
938 | { | |
939 | s->rwstate=SSL_NOTHING; | |
940 | return(0); | |
941 | } | |
942 | return(s->method->ssl_read(s,buf,num)); | |
943 | } | |
944 | ||
e34cfcf7 | 945 | int SSL_peek(SSL *s,void *buf,int num) |
d02b48c6 | 946 | { |
5451e0d9 BM |
947 | if (s->handshake_func == 0) |
948 | { | |
aa4ce731 | 949 | SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED); |
5451e0d9 BM |
950 | return -1; |
951 | } | |
952 | ||
d02b48c6 RE |
953 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
954 | { | |
955 | return(0); | |
956 | } | |
957 | return(s->method->ssl_peek(s,buf,num)); | |
958 | } | |
959 | ||
e34cfcf7 | 960 | int SSL_write(SSL *s,const void *buf,int num) |
d02b48c6 | 961 | { |
b31b04d9 BM |
962 | if (s->handshake_func == 0) |
963 | { | |
ff712220 | 964 | SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
965 | return -1; |
966 | } | |
967 | ||
d02b48c6 RE |
968 | if (s->shutdown & SSL_SENT_SHUTDOWN) |
969 | { | |
970 | s->rwstate=SSL_NOTHING; | |
971 | SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN); | |
972 | return(-1); | |
973 | } | |
974 | return(s->method->ssl_write(s,buf,num)); | |
975 | } | |
976 | ||
4f43d0e7 | 977 | int SSL_shutdown(SSL *s) |
d02b48c6 | 978 | { |
d3407350 | 979 | /* Note that this function behaves differently from what one might |
e2e3d5ce BM |
980 | * expect. Return values are 0 for no success (yet), |
981 | * 1 for success; but calling it once is usually not enough, | |
982 | * even if blocking I/O is used (see ssl3_shutdown). | |
983 | */ | |
984 | ||
b31b04d9 BM |
985 | if (s->handshake_func == 0) |
986 | { | |
ff712220 | 987 | SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
988 | return -1; |
989 | } | |
990 | ||
d02b48c6 RE |
991 | if ((s != NULL) && !SSL_in_init(s)) |
992 | return(s->method->ssl_shutdown(s)); | |
993 | else | |
994 | return(1); | |
995 | } | |
996 | ||
4f43d0e7 | 997 | int SSL_renegotiate(SSL *s) |
d02b48c6 | 998 | { |
8c74b5e5 BM |
999 | if (s->new_session == 0) |
1000 | { | |
1001 | s->new_session=1; | |
1002 | } | |
d02b48c6 RE |
1003 | return(s->method->ssl_renegotiate(s)); |
1004 | } | |
1005 | ||
6b0e9fac BM |
1006 | int SSL_renegotiate_pending(SSL *s) |
1007 | { | |
1008 | /* becomes true when negotiation is requested; | |
1009 | * false again once a handshake has finished */ | |
1010 | return (s->new_session != 0); | |
1011 | } | |
1012 | ||
a661b653 | 1013 | long SSL_ctrl(SSL *s,int cmd,long larg,void *parg) |
d02b48c6 | 1014 | { |
413c4f45 MC |
1015 | long l; |
1016 | ||
1017 | switch (cmd) | |
1018 | { | |
1019 | case SSL_CTRL_GET_READ_AHEAD: | |
1020 | return(s->read_ahead); | |
1021 | case SSL_CTRL_SET_READ_AHEAD: | |
1022 | l=s->read_ahead; | |
1023 | s->read_ahead=larg; | |
1024 | return(l); | |
bf21446a BM |
1025 | |
1026 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1027 | s->msg_callback_arg = parg; | |
1028 | return 1; | |
1029 | ||
413c4f45 MC |
1030 | case SSL_CTRL_OPTIONS: |
1031 | return(s->options|=larg); | |
e1056435 BM |
1032 | case SSL_CTRL_MODE: |
1033 | return(s->mode|=larg); | |
c0f5dd07 LJ |
1034 | case SSL_CTRL_GET_MAX_CERT_LIST: |
1035 | return(s->max_cert_list); | |
1036 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1037 | l=s->max_cert_list; | |
1038 | s->max_cert_list=larg; | |
1039 | return(l); | |
36d16f8e BL |
1040 | case SSL_CTRL_SET_MTU: |
1041 | if (SSL_version(s) == DTLS1_VERSION) | |
1042 | { | |
1043 | s->d1->mtu = larg; | |
1044 | return larg; | |
1045 | } | |
1046 | return 0; | |
566dda07 DSH |
1047 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
1048 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1049 | return 0; | |
1050 | s->max_send_fragment = larg; | |
1051 | return 1; | |
413c4f45 MC |
1052 | default: |
1053 | return(s->method->ssl_ctrl(s,cmd,larg,parg)); | |
1054 | } | |
d02b48c6 RE |
1055 | } |
1056 | ||
41a15c4f | 1057 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) |
d3442bc7 RL |
1058 | { |
1059 | switch(cmd) | |
1060 | { | |
bf21446a | 1061 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 1062 | 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 |
1063 | return 1; |
1064 | ||
d3442bc7 RL |
1065 | default: |
1066 | return(s->method->ssl_callback_ctrl(s,cmd,fp)); | |
1067 | } | |
1068 | } | |
1069 | ||
3c1d6bbc | 1070 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) |
1e7396be RL |
1071 | { |
1072 | return ctx->sessions; | |
1073 | } | |
1074 | ||
a661b653 | 1075 | long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg) |
d02b48c6 | 1076 | { |
413c4f45 MC |
1077 | long l; |
1078 | ||
1079 | switch (cmd) | |
1080 | { | |
1081 | case SSL_CTRL_GET_READ_AHEAD: | |
1082 | return(ctx->read_ahead); | |
1083 | case SSL_CTRL_SET_READ_AHEAD: | |
1084 | l=ctx->read_ahead; | |
1085 | ctx->read_ahead=larg; | |
1086 | return(l); | |
bf21446a BM |
1087 | |
1088 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1089 | ctx->msg_callback_arg = parg; | |
1090 | return 1; | |
1091 | ||
c0f5dd07 LJ |
1092 | case SSL_CTRL_GET_MAX_CERT_LIST: |
1093 | return(ctx->max_cert_list); | |
1094 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1095 | l=ctx->max_cert_list; | |
1096 | ctx->max_cert_list=larg; | |
1097 | return(l); | |
413c4f45 MC |
1098 | |
1099 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
1100 | l=ctx->session_cache_size; | |
1101 | ctx->session_cache_size=larg; | |
1102 | return(l); | |
1103 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
1104 | return(ctx->session_cache_size); | |
1105 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
1106 | l=ctx->session_cache_mode; | |
1107 | ctx->session_cache_mode=larg; | |
1108 | return(l); | |
1109 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
1110 | return(ctx->session_cache_mode); | |
1111 | ||
1112 | case SSL_CTRL_SESS_NUMBER: | |
3c1d6bbc | 1113 | return(lh_SSL_SESSION_num_items(ctx->sessions)); |
413c4f45 MC |
1114 | case SSL_CTRL_SESS_CONNECT: |
1115 | return(ctx->stats.sess_connect); | |
1116 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
1117 | return(ctx->stats.sess_connect_good); | |
1118 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
1119 | return(ctx->stats.sess_connect_renegotiate); | |
1120 | case SSL_CTRL_SESS_ACCEPT: | |
1121 | return(ctx->stats.sess_accept); | |
1122 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
1123 | return(ctx->stats.sess_accept_good); | |
1124 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
1125 | return(ctx->stats.sess_accept_renegotiate); | |
1126 | case SSL_CTRL_SESS_HIT: | |
1127 | return(ctx->stats.sess_hit); | |
1128 | case SSL_CTRL_SESS_CB_HIT: | |
1129 | return(ctx->stats.sess_cb_hit); | |
1130 | case SSL_CTRL_SESS_MISSES: | |
1131 | return(ctx->stats.sess_miss); | |
1132 | case SSL_CTRL_SESS_TIMEOUTS: | |
1133 | return(ctx->stats.sess_timeout); | |
1134 | case SSL_CTRL_SESS_CACHE_FULL: | |
1135 | return(ctx->stats.sess_cache_full); | |
1136 | case SSL_CTRL_OPTIONS: | |
1137 | return(ctx->options|=larg); | |
e1056435 BM |
1138 | case SSL_CTRL_MODE: |
1139 | return(ctx->mode|=larg); | |
566dda07 DSH |
1140 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
1141 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1142 | return 0; | |
1143 | ctx->max_send_fragment = larg; | |
1144 | return 1; | |
413c4f45 MC |
1145 | default: |
1146 | return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg)); | |
1147 | } | |
d02b48c6 RE |
1148 | } |
1149 | ||
41a15c4f | 1150 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) |
d3442bc7 RL |
1151 | { |
1152 | switch(cmd) | |
1153 | { | |
bf21446a | 1154 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 1155 | 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 |
1156 | return 1; |
1157 | ||
d3442bc7 RL |
1158 | default: |
1159 | return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp)); | |
1160 | } | |
1161 | } | |
1162 | ||
ccd86b68 | 1163 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
d02b48c6 RE |
1164 | { |
1165 | long l; | |
1166 | ||
1167 | l=a->id-b->id; | |
1168 | if (l == 0L) | |
1169 | return(0); | |
1170 | else | |
1171 | return((l > 0)?1:-1); | |
1172 | } | |
1173 | ||
ccd86b68 GT |
1174 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, |
1175 | const SSL_CIPHER * const *bp) | |
d02b48c6 RE |
1176 | { |
1177 | long l; | |
1178 | ||
1179 | l=(*ap)->id-(*bp)->id; | |
1180 | if (l == 0L) | |
1181 | return(0); | |
1182 | else | |
1183 | return((l > 0)?1:-1); | |
1184 | } | |
1185 | ||
4f43d0e7 | 1186 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1187 | * preference */ |
0821bcd4 | 1188 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
d02b48c6 | 1189 | { |
28b958f7 | 1190 | if (s != NULL) |
d02b48c6 | 1191 | { |
28b958f7 RL |
1192 | if (s->cipher_list != NULL) |
1193 | { | |
1194 | return(s->cipher_list); | |
1195 | } | |
1196 | else if ((s->ctx != NULL) && | |
1197 | (s->ctx->cipher_list != NULL)) | |
1198 | { | |
1199 | return(s->ctx->cipher_list); | |
1200 | } | |
d02b48c6 RE |
1201 | } |
1202 | return(NULL); | |
1203 | } | |
1204 | ||
4f43d0e7 | 1205 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1206 | * algorithm id */ |
f73e07cf | 1207 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
d02b48c6 | 1208 | { |
28b958f7 | 1209 | if (s != NULL) |
d02b48c6 | 1210 | { |
28b958f7 RL |
1211 | if (s->cipher_list_by_id != NULL) |
1212 | { | |
1213 | return(s->cipher_list_by_id); | |
1214 | } | |
1215 | else if ((s->ctx != NULL) && | |
1216 | (s->ctx->cipher_list_by_id != NULL)) | |
1217 | { | |
1218 | return(s->ctx->cipher_list_by_id); | |
1219 | } | |
d02b48c6 RE |
1220 | } |
1221 | return(NULL); | |
1222 | } | |
1223 | ||
4f43d0e7 | 1224 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0821bcd4 | 1225 | const char *SSL_get_cipher_list(const SSL *s,int n) |
d02b48c6 RE |
1226 | { |
1227 | SSL_CIPHER *c; | |
f73e07cf | 1228 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1229 | |
1230 | if (s == NULL) return(NULL); | |
1231 | sk=SSL_get_ciphers(s); | |
f73e07cf | 1232 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) |
d02b48c6 | 1233 | return(NULL); |
f73e07cf | 1234 | c=sk_SSL_CIPHER_value(sk,n); |
d02b48c6 RE |
1235 | if (c == NULL) return(NULL); |
1236 | return(c->name); | |
1237 | } | |
1238 | ||
25f923dd | 1239 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 1240 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
d02b48c6 | 1241 | { |
f73e07cf | 1242 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1243 | |
1244 | sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list, | |
1245 | &ctx->cipher_list_by_id,str); | |
f0747cd9 NL |
1246 | /* ssl_create_cipher_list may return an empty stack if it |
1247 | * was unable to find a cipher matching the given rule string | |
1248 | * (for example if the rule string specifies a cipher which | |
52b8dad8 BM |
1249 | * has been disabled). This is not an error as far as |
1250 | * ssl_create_cipher_list is concerned, and hence | |
f0747cd9 NL |
1251 | * ctx->cipher_list and ctx->cipher_list_by_id has been |
1252 | * updated. */ | |
1253 | if (sk == NULL) | |
1254 | return 0; | |
1255 | else if (sk_SSL_CIPHER_num(sk) == 0) | |
1256 | { | |
1257 | SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1258 | return 0; | |
1259 | } | |
1260 | return 1; | |
d02b48c6 RE |
1261 | } |
1262 | ||
4f43d0e7 | 1263 | /** specify the ciphers to be used by the SSL */ |
018e57c7 | 1264 | int SSL_set_cipher_list(SSL *s,const char *str) |
d02b48c6 | 1265 | { |
f73e07cf | 1266 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1267 | |
1268 | sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list, | |
1269 | &s->cipher_list_by_id,str); | |
f0747cd9 NL |
1270 | /* see comment in SSL_CTX_set_cipher_list */ |
1271 | if (sk == NULL) | |
1272 | return 0; | |
1273 | else if (sk_SSL_CIPHER_num(sk) == 0) | |
1274 | { | |
1275 | SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1276 | return 0; | |
1277 | } | |
1278 | return 1; | |
d02b48c6 RE |
1279 | } |
1280 | ||
1281 | /* works well for SSLv2, not so good for SSLv3 */ | |
0821bcd4 | 1282 | char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len) |
d02b48c6 | 1283 | { |
e778802f | 1284 | char *p; |
f73e07cf | 1285 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1286 | SSL_CIPHER *c; |
1287 | int i; | |
1288 | ||
1289 | if ((s->session == NULL) || (s->session->ciphers == NULL) || | |
1290 | (len < 2)) | |
1291 | return(NULL); | |
1292 | ||
1293 | p=buf; | |
1294 | sk=s->session->ciphers; | |
f73e07cf | 1295 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1296 | { |
4f19a9cb DSH |
1297 | int n; |
1298 | ||
f73e07cf | 1299 | c=sk_SSL_CIPHER_value(sk,i); |
4f19a9cb DSH |
1300 | n=strlen(c->name); |
1301 | if (n+1 > len) | |
d02b48c6 | 1302 | { |
4f19a9cb DSH |
1303 | if (p != buf) |
1304 | --p; | |
1305 | *p='\0'; | |
1306 | return buf; | |
d02b48c6 | 1307 | } |
4f19a9cb DSH |
1308 | strcpy(p,c->name); |
1309 | p+=n; | |
d02b48c6 | 1310 | *(p++)=':'; |
4f19a9cb | 1311 | len-=n+1; |
d02b48c6 RE |
1312 | } |
1313 | p[-1]='\0'; | |
1314 | return(buf); | |
1315 | } | |
1316 | ||
c6c2e313 | 1317 | int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, |
52b8dad8 | 1318 | int (*put_cb)(const SSL_CIPHER *, unsigned char *)) |
d02b48c6 RE |
1319 | { |
1320 | int i,j=0; | |
1321 | SSL_CIPHER *c; | |
1322 | unsigned char *q; | |
a5224c34 | 1323 | #ifndef OPENSSL_NO_KRB5 |
52b8dad8 | 1324 | int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx); |
a5224c34 | 1325 | #endif /* OPENSSL_NO_KRB5 */ |
d02b48c6 RE |
1326 | |
1327 | if (sk == NULL) return(0); | |
1328 | q=p; | |
1329 | ||
f73e07cf | 1330 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1331 | { |
f73e07cf | 1332 | c=sk_SSL_CIPHER_value(sk,i); |
a5224c34 | 1333 | #ifndef OPENSSL_NO_KRB5 |
52b8dad8 BM |
1334 | if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) && |
1335 | nokrb5) | |
1336 | continue; | |
1337 | #endif /* OPENSSL_NO_KRB5 */ | |
ddac1974 NL |
1338 | #ifndef OPENSSL_NO_PSK |
1339 | /* with PSK there must be client callback set */ | |
52b8dad8 BM |
1340 | if (((c->algorithm_mkey & SSL_kPSK) || (c->algorithm_auth & SSL_aPSK)) && |
1341 | s->psk_client_callback == NULL) | |
ddac1974 NL |
1342 | continue; |
1343 | #endif /* OPENSSL_NO_PSK */ | |
c6c2e313 | 1344 | j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p); |
d02b48c6 RE |
1345 | p+=j; |
1346 | } | |
1347 | return(p-q); | |
1348 | } | |
1349 | ||
f73e07cf BL |
1350 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, |
1351 | STACK_OF(SSL_CIPHER) **skp) | |
d02b48c6 | 1352 | { |
babb3798 | 1353 | const SSL_CIPHER *c; |
f73e07cf | 1354 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1355 | int i,n; |
1356 | ||
1357 | n=ssl_put_cipher_by_char(s,NULL,NULL); | |
1358 | if ((num%n) != 0) | |
1359 | { | |
1360 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); | |
1361 | return(NULL); | |
1362 | } | |
1363 | if ((skp == NULL) || (*skp == NULL)) | |
62324627 | 1364 | sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */ |
d02b48c6 RE |
1365 | else |
1366 | { | |
1367 | sk= *skp; | |
f73e07cf | 1368 | sk_SSL_CIPHER_zero(sk); |
d02b48c6 RE |
1369 | } |
1370 | ||
1371 | for (i=0; i<num; i+=n) | |
1372 | { | |
1373 | c=ssl_get_cipher_by_char(s,p); | |
1374 | p+=n; | |
1375 | if (c != NULL) | |
1376 | { | |
f73e07cf | 1377 | if (!sk_SSL_CIPHER_push(sk,c)) |
d02b48c6 RE |
1378 | { |
1379 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE); | |
1380 | goto err; | |
1381 | } | |
1382 | } | |
1383 | } | |
1384 | ||
1385 | if (skp != NULL) | |
1386 | *skp=sk; | |
1387 | return(sk); | |
1388 | err: | |
1389 | if ((skp == NULL) || (*skp == NULL)) | |
f73e07cf | 1390 | sk_SSL_CIPHER_free(sk); |
d02b48c6 RE |
1391 | return(NULL); |
1392 | } | |
1393 | ||
f1fd4544 | 1394 | |
34449617 | 1395 | #ifndef OPENSSL_NO_TLSEXT |
52b8dad8 | 1396 | /** return a servername extension value if provided in Client Hello, or NULL. |
f1fd4544 | 1397 | * So far, only host_name types are defined (RFC 3546). |
ed3883d2 BM |
1398 | */ |
1399 | ||
f1fd4544 BM |
1400 | const char *SSL_get_servername(const SSL *s, const int type) |
1401 | { | |
1402 | if (type != TLSEXT_NAMETYPE_host_name) | |
ed3883d2 | 1403 | return NULL; |
a13c20f6 BM |
1404 | |
1405 | return s->session && !s->tlsext_hostname ? | |
f1fd4544 BM |
1406 | s->session->tlsext_hostname : |
1407 | s->tlsext_hostname; | |
1408 | } | |
ed3883d2 | 1409 | |
f1fd4544 BM |
1410 | int SSL_get_servername_type(const SSL *s) |
1411 | { | |
52b8dad8 | 1412 | if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname)) |
f1fd4544 | 1413 | return TLSEXT_NAMETYPE_host_name; |
ed3883d2 | 1414 | return -1; |
f1fd4544 | 1415 | } |
ed3883d2 | 1416 | #endif |
f1fd4544 | 1417 | |
3c1d6bbc | 1418 | static unsigned long ssl_session_hash(const SSL_SESSION *a) |
d02b48c6 RE |
1419 | { |
1420 | unsigned long l; | |
1421 | ||
dfeab068 RE |
1422 | l=(unsigned long) |
1423 | ((unsigned int) a->session_id[0] )| | |
1424 | ((unsigned int) a->session_id[1]<< 8L)| | |
1425 | ((unsigned long)a->session_id[2]<<16L)| | |
1426 | ((unsigned long)a->session_id[3]<<24L); | |
d02b48c6 RE |
1427 | return(l); |
1428 | } | |
1429 | ||
dc644fe2 GT |
1430 | /* NB: If this function (or indeed the hash function which uses a sort of |
1431 | * coarser function than this one) is changed, ensure | |
1432 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being | |
1433 | * able to construct an SSL_SESSION that will collide with any existing session | |
1434 | * with a matching session ID. */ | |
3c1d6bbc | 1435 | static int ssl_session_cmp(const SSL_SESSION *a,const SSL_SESSION *b) |
d02b48c6 | 1436 | { |
58964a49 RE |
1437 | if (a->ssl_version != b->ssl_version) |
1438 | return(1); | |
1439 | if (a->session_id_length != b->session_id_length) | |
1440 | return(1); | |
1441 | return(memcmp(a->session_id,b->session_id,a->session_id_length)); | |
d02b48c6 RE |
1442 | } |
1443 | ||
d0fa136c GT |
1444 | /* These wrapper functions should remain rather than redeclaring |
1445 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each | |
1446 | * variable. The reason is that the functions aren't static, they're exposed via | |
1447 | * ssl.h. */ | |
3c1d6bbc BL |
1448 | static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION) |
1449 | static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION) | |
97b17195 | 1450 | |
4ebb342f | 1451 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
d02b48c6 | 1452 | { |
dfeab068 | 1453 | SSL_CTX *ret=NULL; |
8671b898 | 1454 | |
d02b48c6 RE |
1455 | if (meth == NULL) |
1456 | { | |
1457 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED); | |
1458 | return(NULL); | |
1459 | } | |
dfeab068 RE |
1460 | |
1461 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) | |
1462 | { | |
1463 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
1464 | goto err; | |
1465 | } | |
26a3a48d | 1466 | ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX)); |
d02b48c6 RE |
1467 | if (ret == NULL) |
1468 | goto err; | |
1469 | ||
1470 | memset(ret,0,sizeof(SSL_CTX)); | |
1471 | ||
1472 | ret->method=meth; | |
1473 | ||
1474 | ret->cert_store=NULL; | |
1475 | ret->session_cache_mode=SSL_SESS_CACHE_SERVER; | |
58964a49 RE |
1476 | ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
1477 | ret->session_cache_head=NULL; | |
1478 | ret->session_cache_tail=NULL; | |
d02b48c6 RE |
1479 | |
1480 | /* We take the system default */ | |
1481 | ret->session_timeout=meth->get_timeout(); | |
1482 | ||
bf21446a BM |
1483 | ret->new_session_cb=0; |
1484 | ret->remove_session_cb=0; | |
1485 | ret->get_session_cb=0; | |
1486 | ret->generate_session_id=0; | |
d02b48c6 | 1487 | |
413c4f45 | 1488 | memset((char *)&ret->stats,0,sizeof(ret->stats)); |
d02b48c6 RE |
1489 | |
1490 | ret->references=1; | |
1491 | ret->quiet_shutdown=0; | |
1492 | ||
1493 | /* ret->cipher=NULL;*/ | |
1494 | /* ret->s2->challenge=NULL; | |
1495 | ret->master_key=NULL; | |
1496 | ret->key_arg=NULL; | |
1497 | ret->s2->conn_id=NULL; */ | |
1498 | ||
45d87a1f | 1499 | ret->info_callback=NULL; |
d02b48c6 | 1500 | |
bf21446a | 1501 | ret->app_verify_callback=0; |
d02b48c6 RE |
1502 | ret->app_verify_arg=NULL; |
1503 | ||
c0f5dd07 | 1504 | ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT; |
413c4f45 | 1505 | ret->read_ahead=0; |
bf21446a BM |
1506 | ret->msg_callback=0; |
1507 | ret->msg_callback_arg=NULL; | |
413c4f45 | 1508 | ret->verify_mode=SSL_VERIFY_NONE; |
5d7c222d | 1509 | #if 0 |
7f89714e | 1510 | ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */ |
5d7c222d | 1511 | #endif |
bf21446a | 1512 | ret->sid_ctx_length=0; |
d02b48c6 | 1513 | ret->default_verify_callback=NULL; |
ca8e5b9b | 1514 | if ((ret->cert=ssl_cert_new()) == NULL) |
d02b48c6 RE |
1515 | goto err; |
1516 | ||
bf21446a | 1517 | ret->default_passwd_callback=0; |
74678cc2 | 1518 | ret->default_passwd_callback_userdata=NULL; |
bf21446a | 1519 | ret->client_cert_cb=0; |
f0747cd9 NL |
1520 | ret->app_gen_cookie_cb=0; |
1521 | ret->app_verify_cookie_cb=0; | |
d02b48c6 | 1522 | |
3c1d6bbc | 1523 | ret->sessions=lh_SSL_SESSION_new(); |
d02b48c6 RE |
1524 | if (ret->sessions == NULL) goto err; |
1525 | ret->cert_store=X509_STORE_new(); | |
1526 | if (ret->cert_store == NULL) goto err; | |
1527 | ||
1528 | ssl_create_cipher_list(ret->method, | |
1529 | &ret->cipher_list,&ret->cipher_list_by_id, | |
1530 | SSL_DEFAULT_CIPHER_LIST); | |
f73e07cf BL |
1531 | if (ret->cipher_list == NULL |
1532 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) | |
d02b48c6 RE |
1533 | { |
1534 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS); | |
1535 | goto err2; | |
1536 | } | |
1537 | ||
5d7c222d DSH |
1538 | ret->param = X509_VERIFY_PARAM_new(); |
1539 | if (!ret->param) | |
1540 | goto err; | |
1541 | ||
58964a49 RE |
1542 | if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL) |
1543 | { | |
1544 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES); | |
1545 | goto err2; | |
1546 | } | |
1547 | if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL) | |
1548 | { | |
1549 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
1550 | goto err2; | |
1551 | } | |
1552 | if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL) | |
1553 | { | |
1554 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
1555 | goto err2; | |
1556 | } | |
1557 | ||
f73e07cf | 1558 | if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL) |
d02b48c6 RE |
1559 | goto err; |
1560 | ||
79aa04ef | 1561 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data); |
58964a49 | 1562 | |
dfeab068 | 1563 | ret->extra_certs=NULL; |
413c4f45 | 1564 | ret->comp_methods=SSL_COMP_get_compression_methods(); |
dfeab068 | 1565 | |
566dda07 DSH |
1566 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
1567 | ||
ed3883d2 | 1568 | #ifndef OPENSSL_NO_TLSEXT |
f1fd4544 | 1569 | ret->tlsext_servername_callback = 0; |
ed3883d2 | 1570 | ret->tlsext_servername_arg = NULL; |
6434abbf DSH |
1571 | /* Setup RFC4507 ticket keys */ |
1572 | if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0) | |
1573 | || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0) | |
1574 | || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0)) | |
1575 | ret->options |= SSL_OP_NO_TICKET; | |
1576 | ||
67c8e7f4 DSH |
1577 | ret->tlsext_status_cb = 0; |
1578 | ret->tlsext_status_arg = NULL; | |
1579 | ||
ddac1974 NL |
1580 | #endif |
1581 | #ifndef OPENSSL_NO_PSK | |
1582 | ret->psk_identity_hint=NULL; | |
1583 | ret->psk_client_callback=NULL; | |
1584 | ret->psk_server_callback=NULL; | |
8671b898 | 1585 | #endif |
474b3b1c | 1586 | #ifndef OPENSSL_NO_BUF_FREELISTS |
8671b898 BL |
1587 | ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT; |
1588 | ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST)); | |
1589 | if (!ret->rbuf_freelist) | |
1590 | goto err; | |
1591 | ret->rbuf_freelist->chunklen = 0; | |
1592 | ret->rbuf_freelist->len = 0; | |
1593 | ret->rbuf_freelist->head = NULL; | |
1594 | ret->wbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST)); | |
1595 | if (!ret->wbuf_freelist) | |
1596 | { | |
1597 | OPENSSL_free(ret->rbuf_freelist); | |
1598 | goto err; | |
1599 | } | |
1600 | ret->wbuf_freelist->chunklen = 0; | |
1601 | ret->wbuf_freelist->len = 0; | |
1602 | ret->wbuf_freelist->head = NULL; | |
ed3883d2 | 1603 | #endif |
4db9677b DSH |
1604 | #ifndef OPENSSL_NO_ENGINE |
1605 | ret->client_cert_engine = NULL; | |
1606 | #ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO | |
1607 | #define eng_strx(x) #x | |
1608 | #define eng_str(x) eng_strx(x) | |
1609 | /* Use specific client engine automatically... ignore errors */ | |
1610 | { | |
1611 | ENGINE *eng; | |
1612 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
7555c933 DSH |
1613 | if (!eng) |
1614 | { | |
1615 | ERR_clear_error(); | |
1616 | ENGINE_load_builtin_engines(); | |
1617 | eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); | |
1618 | } | |
4db9677b DSH |
1619 | if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) |
1620 | ERR_clear_error(); | |
1621 | } | |
1622 | #endif | |
1623 | #endif | |
1624 | ||
d02b48c6 RE |
1625 | return(ret); |
1626 | err: | |
1627 | SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE); | |
1628 | err2: | |
1629 | if (ret != NULL) SSL_CTX_free(ret); | |
1630 | return(NULL); | |
1631 | } | |
1632 | ||
0826c85f | 1633 | #if 0 |
f73e07cf | 1634 | static void SSL_COMP_free(SSL_COMP *comp) |
26a3a48d | 1635 | { OPENSSL_free(comp); } |
0826c85f | 1636 | #endif |
f73e07cf | 1637 | |
474b3b1c | 1638 | #ifndef OPENSSL_NO_BUF_FREELISTS |
8671b898 BL |
1639 | static void |
1640 | ssl_buf_freelist_free(SSL3_BUF_FREELIST *list) | |
1641 | { | |
1642 | SSL3_BUF_FREELIST_ENTRY *ent, *next; | |
1643 | for (ent = list->head; ent; ent = next) | |
1644 | { | |
1645 | next = ent->next; | |
1646 | OPENSSL_free(ent); | |
1647 | } | |
1648 | OPENSSL_free(list); | |
1649 | } | |
1650 | #endif | |
1651 | ||
4f43d0e7 | 1652 | void SSL_CTX_free(SSL_CTX *a) |
d02b48c6 RE |
1653 | { |
1654 | int i; | |
1655 | ||
1656 | if (a == NULL) return; | |
1657 | ||
1658 | i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX); | |
58964a49 RE |
1659 | #ifdef REF_PRINT |
1660 | REF_PRINT("SSL_CTX",a); | |
1661 | #endif | |
d02b48c6 RE |
1662 | if (i > 0) return; |
1663 | #ifdef REF_CHECK | |
1664 | if (i < 0) | |
1665 | { | |
1666 | fprintf(stderr,"SSL_CTX_free, bad reference count\n"); | |
1667 | abort(); /* ok */ | |
1668 | } | |
1669 | #endif | |
1670 | ||
5d7c222d DSH |
1671 | if (a->param) |
1672 | X509_VERIFY_PARAM_free(a->param); | |
1673 | ||
82a20fb0 LJ |
1674 | /* |
1675 | * Free internal session cache. However: the remove_cb() may reference | |
1676 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
1677 | * after the sessions were flushed. | |
1678 | * As the ex_data handling routines might also touch the session cache, | |
1679 | * the most secure solution seems to be: empty (flush) the cache, then | |
1680 | * free ex_data, then finally free the cache. | |
1681 | * (See ticket [openssl.org #212].) | |
1682 | */ | |
d02b48c6 | 1683 | if (a->sessions != NULL) |
d02b48c6 | 1684 | SSL_CTX_flush_sessions(a,0); |
82a20fb0 LJ |
1685 | |
1686 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
1687 | ||
1688 | if (a->sessions != NULL) | |
3c1d6bbc | 1689 | lh_SSL_SESSION_free(a->sessions); |
82a20fb0 | 1690 | |
d02b48c6 RE |
1691 | if (a->cert_store != NULL) |
1692 | X509_STORE_free(a->cert_store); | |
1693 | if (a->cipher_list != NULL) | |
f73e07cf | 1694 | sk_SSL_CIPHER_free(a->cipher_list); |
d02b48c6 | 1695 | if (a->cipher_list_by_id != NULL) |
f73e07cf | 1696 | sk_SSL_CIPHER_free(a->cipher_list_by_id); |
ca8e5b9b BM |
1697 | if (a->cert != NULL) |
1698 | ssl_cert_free(a->cert); | |
d02b48c6 | 1699 | if (a->client_CA != NULL) |
f73e07cf | 1700 | sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free); |
dfeab068 | 1701 | if (a->extra_certs != NULL) |
f73e07cf | 1702 | sk_X509_pop_free(a->extra_certs,X509_free); |
cd9b7d7c | 1703 | #if 0 /* This should never be done, since it removes a global database */ |
413c4f45 | 1704 | if (a->comp_methods != NULL) |
f73e07cf | 1705 | sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free); |
cd9b7d7c RL |
1706 | #else |
1707 | a->comp_methods = NULL; | |
1708 | #endif | |
ddac1974 NL |
1709 | |
1710 | #ifndef OPENSSL_NO_PSK | |
1711 | if (a->psk_identity_hint) | |
1712 | OPENSSL_free(a->psk_identity_hint); | |
bdfe932d DSH |
1713 | #endif |
1714 | #ifndef OPENSSL_NO_ENGINE | |
1715 | if (a->client_cert_engine) | |
1716 | ENGINE_finish(a->client_cert_engine); | |
ddac1974 | 1717 | #endif |
8671b898 | 1718 | |
474b3b1c | 1719 | #ifndef OPENSSL_NO_BUF_FREELISTS |
8671b898 BL |
1720 | if (a->wbuf_freelist) |
1721 | ssl_buf_freelist_free(a->wbuf_freelist); | |
1722 | if (a->rbuf_freelist) | |
1723 | ssl_buf_freelist_free(a->rbuf_freelist); | |
1724 | #endif | |
1725 | ||
26a3a48d | 1726 | OPENSSL_free(a); |
d02b48c6 RE |
1727 | } |
1728 | ||
3ae76679 | 1729 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
d02b48c6 RE |
1730 | { |
1731 | ctx->default_passwd_callback=cb; | |
1732 | } | |
1733 | ||
74678cc2 BM |
1734 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u) |
1735 | { | |
1736 | ctx->default_passwd_callback_userdata=u; | |
1737 | } | |
1738 | ||
023ec151 | 1739 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg) |
d02b48c6 RE |
1740 | { |
1741 | ctx->app_verify_callback=cb; | |
023ec151 | 1742 | ctx->app_verify_arg=arg; |
d02b48c6 RE |
1743 | } |
1744 | ||
4f43d0e7 | 1745 | void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *)) |
d02b48c6 | 1746 | { |
413c4f45 | 1747 | ctx->verify_mode=mode; |
d02b48c6 | 1748 | ctx->default_verify_callback=cb; |
d02b48c6 RE |
1749 | } |
1750 | ||
7f89714e BM |
1751 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth) |
1752 | { | |
5d7c222d | 1753 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); |
7f89714e BM |
1754 | } |
1755 | ||
babb3798 | 1756 | void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher) |
d02b48c6 RE |
1757 | { |
1758 | CERT_PKEY *cpk; | |
1759 | int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign; | |
1760 | int rsa_enc_export,dh_rsa_export,dh_dsa_export; | |
60e31c3a | 1761 | int rsa_tmp_export,dh_tmp_export,kl; |
52b8dad8 | 1762 | unsigned long mask_k,mask_a,emask_k,emask_a; |
3eeaab4b NL |
1763 | int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size; |
1764 | #ifndef OPENSSL_NO_ECDH | |
1765 | int have_ecdh_tmp; | |
1766 | #endif | |
ea262260 BM |
1767 | X509 *x = NULL; |
1768 | EVP_PKEY *ecc_pkey = NULL; | |
1769 | int signature_nid = 0; | |
d02b48c6 | 1770 | |
f415fa32 | 1771 | if (c == NULL) return; |
d02b48c6 | 1772 | |
60e31c3a BL |
1773 | kl=SSL_C_EXPORT_PKEYLENGTH(cipher); |
1774 | ||
bc36ee62 | 1775 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
1776 | rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); |
1777 | rsa_tmp_export=(c->rsa_tmp_cb != NULL || | |
60e31c3a | 1778 | (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl)); |
d02b48c6 RE |
1779 | #else |
1780 | rsa_tmp=rsa_tmp_export=0; | |
1781 | #endif | |
bc36ee62 | 1782 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
1783 | dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL); |
1784 | dh_tmp_export=(c->dh_tmp_cb != NULL || | |
60e31c3a | 1785 | (dh_tmp && DH_size(c->dh_tmp)*8 <= kl)); |
d02b48c6 RE |
1786 | #else |
1787 | dh_tmp=dh_tmp_export=0; | |
1788 | #endif | |
1789 | ||
ea262260 BM |
1790 | #ifndef OPENSSL_NO_ECDH |
1791 | have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL); | |
1792 | #endif | |
d02b48c6 | 1793 | cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]); |
60e31c3a BL |
1794 | rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1795 | rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 | 1796 | cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]); |
60e31c3a | 1797 | rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1798 | cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]); |
60e31c3a | 1799 | dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1800 | cpk= &(c->pkeys[SSL_PKEY_DH_RSA]); |
60e31c3a BL |
1801 | dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1802 | dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1803 | cpk= &(c->pkeys[SSL_PKEY_DH_DSA]); |
1804 | /* FIX THIS EAY EAY EAY */ | |
60e31c3a BL |
1805 | dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1806 | dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
ea262260 BM |
1807 | cpk= &(c->pkeys[SSL_PKEY_ECC]); |
1808 | have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL); | |
52b8dad8 BM |
1809 | mask_k=0; |
1810 | mask_a=0; | |
1811 | emask_k=0; | |
1812 | emask_a=0; | |
d02b48c6 | 1813 | |
0e1dba93 DSH |
1814 | |
1815 | ||
d02b48c6 | 1816 | #ifdef CIPHER_DEBUG |
076944d9 | 1817 | printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", |
2afe3167 | 1818 | rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp, |
f415fa32 | 1819 | rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa); |
d02b48c6 | 1820 | #endif |
0e1dba93 DSH |
1821 | |
1822 | cpk = &(c->pkeys[SSL_PKEY_GOST01]); | |
1823 | if (cpk->x509 != NULL && cpk->privatekey !=NULL) { | |
1824 | mask_k |= SSL_kGOST; | |
1825 | mask_a |= SSL_aGOST01; | |
1826 | } | |
1827 | cpk = &(c->pkeys[SSL_PKEY_GOST94]); | |
1828 | if (cpk->x509 != NULL && cpk->privatekey !=NULL) { | |
1829 | mask_k |= SSL_kGOST; | |
1830 | mask_a |= SSL_aGOST94; | |
1831 | } | |
d02b48c6 RE |
1832 | |
1833 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
52b8dad8 | 1834 | mask_k|=SSL_kRSA; |
f415fa32 | 1835 | if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) |
52b8dad8 | 1836 | emask_k|=SSL_kRSA; |
d02b48c6 RE |
1837 | |
1838 | #if 0 | |
1839 | /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */ | |
52b8dad8 | 1840 | if ( (dh_tmp || dh_rsa || dh_dsa) && |
d02b48c6 | 1841 | (rsa_enc || rsa_sign || dsa_sign)) |
52b8dad8 | 1842 | mask_k|=SSL_kEDH; |
d02b48c6 RE |
1843 | if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) && |
1844 | (rsa_enc || rsa_sign || dsa_sign)) | |
52b8dad8 | 1845 | emask_k|=SSL_kEDH; |
d02b48c6 RE |
1846 | #endif |
1847 | ||
52b8dad8 BM |
1848 | if (dh_tmp_export) |
1849 | emask_k|=SSL_kEDH; | |
d02b48c6 RE |
1850 | |
1851 | if (dh_tmp) | |
52b8dad8 | 1852 | mask_k|=SSL_kEDH; |
d02b48c6 | 1853 | |
52b8dad8 BM |
1854 | if (dh_rsa) mask_k|=SSL_kDHr; |
1855 | if (dh_rsa_export) emask_k|=SSL_kDHr; | |
d02b48c6 | 1856 | |
52b8dad8 BM |
1857 | if (dh_dsa) mask_k|=SSL_kDHd; |
1858 | if (dh_dsa_export) emask_k|=SSL_kDHd; | |
d02b48c6 RE |
1859 | |
1860 | if (rsa_enc || rsa_sign) | |
1861 | { | |
52b8dad8 BM |
1862 | mask_a|=SSL_aRSA; |
1863 | emask_a|=SSL_aRSA; | |
d02b48c6 RE |
1864 | } |
1865 | ||
1866 | if (dsa_sign) | |
1867 | { | |
52b8dad8 BM |
1868 | mask_a|=SSL_aDSS; |
1869 | emask_a|=SSL_aDSS; | |
d02b48c6 RE |
1870 | } |
1871 | ||
52b8dad8 BM |
1872 | mask_a|=SSL_aNULL; |
1873 | emask_a|=SSL_aNULL; | |
d02b48c6 | 1874 | |
bc36ee62 | 1875 | #ifndef OPENSSL_NO_KRB5 |
52b8dad8 BM |
1876 | mask_k|=SSL_kKRB5; |
1877 | mask_a|=SSL_aKRB5; | |
1878 | emask_k|=SSL_kKRB5; | |
1879 | emask_a|=SSL_aKRB5; | |
f9b3bff6 RL |
1880 | #endif |
1881 | ||
ea262260 BM |
1882 | /* An ECC certificate may be usable for ECDH and/or |
1883 | * ECDSA cipher suites depending on the key usage extension. | |
1884 | */ | |
1885 | if (have_ecc_cert) | |
1886 | { | |
52b8dad8 | 1887 | /* This call populates extension flags (ex_flags) */ |
ea262260 BM |
1888 | x = (c->pkeys[SSL_PKEY_ECC]).x509; |
1889 | X509_check_purpose(x, -1, 0); | |
1890 | ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ? | |
1891 | (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1; | |
1892 | ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ? | |
1893 | (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1; | |
1894 | ecc_pkey = X509_get_pubkey(x); | |
52b8dad8 | 1895 | ecc_pkey_size = (ecc_pkey != NULL) ? |
ea262260 BM |
1896 | EVP_PKEY_bits(ecc_pkey) : 0; |
1897 | EVP_PKEY_free(ecc_pkey); | |
1898 | if ((x->sig_alg) && (x->sig_alg->algorithm)) | |
1899 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
1900 | #ifndef OPENSSL_NO_ECDH | |
1901 | if (ecdh_ok) | |
1902 | { | |
076944d9 BM |
1903 | const char *sig = OBJ_nid2ln(signature_nid); |
1904 | if (sig == NULL) | |
1905 | { | |
1906 | ERR_clear_error(); | |
1907 | sig = "unknown"; | |
1908 | } | |
1909 | ||
1910 | if (strstr(sig, "WithRSA")) | |
ea262260 | 1911 | { |
52b8dad8 BM |
1912 | mask_k|=SSL_kECDHr; |
1913 | mask_a|=SSL_aECDH; | |
ea262260 | 1914 | if (ecc_pkey_size <= 163) |
52b8dad8 BM |
1915 | { |
1916 | emask_k|=SSL_kECDHr; | |
1917 | emask_a|=SSL_aECDH; | |
1918 | } | |
ea262260 | 1919 | } |
076944d9 | 1920 | |
ea262260 BM |
1921 | if (signature_nid == NID_ecdsa_with_SHA1) |
1922 | { | |
52b8dad8 BM |
1923 | mask_k|=SSL_kECDHe; |
1924 | mask_a|=SSL_aECDH; | |
ea262260 | 1925 | if (ecc_pkey_size <= 163) |
52b8dad8 BM |
1926 | { |
1927 | emask_k|=SSL_kECDHe; | |
1928 | emask_a|=SSL_aECDH; | |
1929 | } | |
ea262260 BM |
1930 | } |
1931 | } | |
1932 | #endif | |
1933 | #ifndef OPENSSL_NO_ECDSA | |
1934 | if (ecdsa_ok) | |
1935 | { | |
52b8dad8 BM |
1936 | mask_a|=SSL_aECDSA; |
1937 | emask_a|=SSL_aECDSA; | |
ea262260 BM |
1938 | } |
1939 | #endif | |
1940 | } | |
1941 | ||
1942 | #ifndef OPENSSL_NO_ECDH | |
1943 | if (have_ecdh_tmp) | |
1944 | { | |
52b8dad8 BM |
1945 | mask_k|=SSL_kEECDH; |
1946 | emask_k|=SSL_kEECDH; | |
ea262260 BM |
1947 | } |
1948 | #endif | |
ddac1974 NL |
1949 | |
1950 | #ifndef OPENSSL_NO_PSK | |
52b8dad8 BM |
1951 | mask_k |= SSL_kPSK; |
1952 | mask_a |= SSL_aPSK; | |
1953 | emask_k |= SSL_kPSK; | |
1954 | emask_a |= SSL_aPSK; | |
ddac1974 NL |
1955 | #endif |
1956 | ||
52b8dad8 BM |
1957 | c->mask_k=mask_k; |
1958 | c->mask_a=mask_a; | |
1959 | c->export_mask_k=emask_k; | |
1960 | c->export_mask_a=emask_a; | |
d02b48c6 RE |
1961 | c->valid=1; |
1962 | } | |
1963 | ||
ea262260 BM |
1964 | /* This handy macro borrowed from crypto/x509v3/v3_purp.c */ |
1965 | #define ku_reject(x, usage) \ | |
1966 | (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage))) | |
1967 | ||
babb3798 | 1968 | int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs) |
ea262260 | 1969 | { |
52b8dad8 | 1970 | unsigned long alg_k, alg_a; |
ea262260 BM |
1971 | EVP_PKEY *pkey = NULL; |
1972 | int keysize = 0; | |
1973 | int signature_nid = 0; | |
1974 | ||
52b8dad8 BM |
1975 | alg_k = cs->algorithm_mkey; |
1976 | alg_a = cs->algorithm_auth; | |
1977 | ||
ea262260 BM |
1978 | if (SSL_C_IS_EXPORT(cs)) |
1979 | { | |
1980 | /* ECDH key length in export ciphers must be <= 163 bits */ | |
1981 | pkey = X509_get_pubkey(x); | |
1982 | if (pkey == NULL) return 0; | |
1983 | keysize = EVP_PKEY_bits(pkey); | |
1984 | EVP_PKEY_free(pkey); | |
1985 | if (keysize > 163) return 0; | |
1986 | } | |
1987 | ||
1988 | /* This call populates the ex_flags field correctly */ | |
1989 | X509_check_purpose(x, -1, 0); | |
1990 | if ((x->sig_alg) && (x->sig_alg->algorithm)) | |
1991 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
52b8dad8 | 1992 | if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr) |
ea262260 BM |
1993 | { |
1994 | /* key usage, if present, must allow key agreement */ | |
1995 | if (ku_reject(x, X509v3_KU_KEY_AGREEMENT)) | |
1996 | { | |
ed3ecd80 | 1997 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT); |
ea262260 BM |
1998 | return 0; |
1999 | } | |
52b8dad8 | 2000 | if (alg_k & SSL_kECDHe) |
ea262260 BM |
2001 | { |
2002 | /* signature alg must be ECDSA */ | |
2003 | if (signature_nid != NID_ecdsa_with_SHA1) | |
2004 | { | |
ed3ecd80 | 2005 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE); |
ea262260 BM |
2006 | return 0; |
2007 | } | |
2008 | } | |
52b8dad8 | 2009 | if (alg_k & SSL_kECDHr) |
ea262260 BM |
2010 | { |
2011 | /* signature alg must be RSA */ | |
076944d9 BM |
2012 | |
2013 | const char *sig = OBJ_nid2ln(signature_nid); | |
2014 | if (sig == NULL) | |
ea262260 | 2015 | { |
076944d9 BM |
2016 | ERR_clear_error(); |
2017 | sig = "unknown"; | |
ea262260 | 2018 | } |
076944d9 | 2019 | if (strstr(sig, "WithRSA") == NULL) |
ed3ecd80 BM |
2020 | { |
2021 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE); | |
076944d9 | 2022 | return 0; |
ed3ecd80 | 2023 | } |
ea262260 | 2024 | } |
52b8dad8 BM |
2025 | } |
2026 | if (alg_a & SSL_aECDSA) | |
ea262260 BM |
2027 | { |
2028 | /* key usage, if present, must allow signing */ | |
2029 | if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE)) | |
2030 | { | |
ed3ecd80 | 2031 | SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_SIGNING); |
ea262260 BM |
2032 | return 0; |
2033 | } | |
2034 | } | |
2035 | ||
2036 | return 1; /* all checks are ok */ | |
2037 | } | |
2038 | ||
d02b48c6 | 2039 | /* THIS NEEDS CLEANING UP */ |
4f43d0e7 | 2040 | X509 *ssl_get_server_send_cert(SSL *s) |
d02b48c6 | 2041 | { |
52b8dad8 | 2042 | unsigned long alg_k,alg_a,mask_k,mask_a; |
d02b48c6 | 2043 | CERT *c; |
df63a389 | 2044 | int i,is_export; |
d02b48c6 RE |
2045 | |
2046 | c=s->cert; | |
ca8e5b9b | 2047 | ssl_set_cert_masks(c, s->s3->tmp.new_cipher); |
018e57c7 | 2048 | is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); |
52b8dad8 BM |
2049 | if (is_export) |
2050 | { | |
2051 | mask_k = c->export_mask_k; | |
2052 | mask_a = c->export_mask_a; | |
2053 | } | |
2054 | else | |
2055 | { | |
2056 | mask_k = c->mask_k; | |
2057 | mask_a = c->mask_a; | |
2058 | } | |
2059 | ||
2060 | alg_k = s->s3->tmp.new_cipher->algorithm_mkey; | |
2061 | alg_a = s->s3->tmp.new_cipher->algorithm_auth; | |
d02b48c6 | 2062 | |
882d29dd | 2063 | if (alg_k & (SSL_kECDHr|SSL_kECDHe)) |
ea262260 | 2064 | { |
89bbe14c | 2065 | /* we don't need to look at SSL_kEECDH |
ea262260 BM |
2066 | * since no certificate is needed for |
2067 | * anon ECDH and for authenticated | |
89bbe14c | 2068 | * EECDH, the check for the auth |
ea262260 BM |
2069 | * algorithm will set i correctly |
2070 | * NOTE: For ECDH-RSA, we need an ECC | |
89bbe14c | 2071 | * not an RSA cert but for EECDH-RSA |
ea262260 BM |
2072 | * we need an RSA cert. Placing the |
2073 | * checks for SSL_kECDH before RSA | |
2074 | * checks ensures the correct cert is chosen. | |
2075 | */ | |
2076 | i=SSL_PKEY_ECC; | |
2077 | } | |
52b8dad8 | 2078 | else if (alg_a & SSL_aECDSA) |
ea262260 BM |
2079 | { |
2080 | i=SSL_PKEY_ECC; | |
2081 | } | |
52b8dad8 | 2082 | else if (alg_k & SSL_kDHr) |
d02b48c6 | 2083 | i=SSL_PKEY_DH_RSA; |
52b8dad8 | 2084 | else if (alg_k & SSL_kDHd) |
d02b48c6 | 2085 | i=SSL_PKEY_DH_DSA; |
52b8dad8 | 2086 | else if (alg_a & SSL_aDSS) |
d02b48c6 | 2087 | i=SSL_PKEY_DSA_SIGN; |
52b8dad8 | 2088 | else if (alg_a & SSL_aRSA) |
d02b48c6 RE |
2089 | { |
2090 | if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL) | |
2091 | i=SSL_PKEY_RSA_SIGN; | |
2092 | else | |
2093 | i=SSL_PKEY_RSA_ENC; | |
2094 | } | |
52b8dad8 | 2095 | else if (alg_a & SSL_aKRB5) |
f9b3bff6 RL |
2096 | { |
2097 | /* VRS something else here? */ | |
2098 | return(NULL); | |
2099 | } | |
0e1dba93 DSH |
2100 | else if (alg_a & SSL_aGOST94) |
2101 | i=SSL_PKEY_GOST94; | |
2102 | else if (alg_a & SSL_aGOST01) | |
2103 | i=SSL_PKEY_GOST01; | |
52b8dad8 | 2104 | else /* if (alg_a & SSL_aNULL) */ |
d02b48c6 | 2105 | { |
5277d7cb | 2106 | SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
2107 | return(NULL); |
2108 | } | |
2109 | if (c->pkeys[i].x509 == NULL) return(NULL); | |
ea262260 | 2110 | |
d02b48c6 RE |
2111 | return(c->pkeys[i].x509); |
2112 | } | |
2113 | ||
babb3798 | 2114 | EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher) |
d02b48c6 | 2115 | { |
52b8dad8 | 2116 | unsigned long alg_a; |
d02b48c6 RE |
2117 | CERT *c; |
2118 | ||
52b8dad8 | 2119 | alg_a = cipher->algorithm_auth; |
d02b48c6 RE |
2120 | c=s->cert; |
2121 | ||
52b8dad8 | 2122 | if ((alg_a & SSL_aDSS) && |
d02b48c6 RE |
2123 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) |
2124 | return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey); | |
52b8dad8 | 2125 | else if (alg_a & SSL_aRSA) |
d02b48c6 RE |
2126 | { |
2127 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
2128 | return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey); | |
2129 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
2130 | return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey); | |
2131 | else | |
2132 | return(NULL); | |
2133 | } | |
52b8dad8 | 2134 | else if ((alg_a & SSL_aECDSA) && |
ea262260 BM |
2135 | (c->pkeys[SSL_PKEY_ECC].privatekey != NULL)) |
2136 | return(c->pkeys[SSL_PKEY_ECC].privatekey); | |
52b8dad8 | 2137 | else /* if (alg_a & SSL_aNULL) */ |
d02b48c6 | 2138 | { |
5277d7cb | 2139 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
2140 | return(NULL); |
2141 | } | |
2142 | } | |
2143 | ||
4f43d0e7 | 2144 | void ssl_update_cache(SSL *s,int mode) |
d02b48c6 | 2145 | { |
58964a49 RE |
2146 | int i; |
2147 | ||
2148 | /* If the session_id_length is 0, we are not supposed to cache it, | |
2149 | * and it would be rather hard to do anyway :-) */ | |
2150 | if (s->session->session_id_length == 0) return; | |
2151 | ||
a13c20f6 | 2152 | i=s->session_ctx->session_cache_mode; |
4de920c9 | 2153 | if ((i & mode) && (!s->hit) |
e0db2eed | 2154 | && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) |
a13c20f6 BM |
2155 | || SSL_CTX_add_session(s->session_ctx,s->session)) |
2156 | && (s->session_ctx->new_session_cb != NULL)) | |
d02b48c6 | 2157 | { |
58964a49 | 2158 | CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION); |
a13c20f6 | 2159 | if (!s->session_ctx->new_session_cb(s,s->session)) |
d02b48c6 RE |
2160 | SSL_SESSION_free(s->session); |
2161 | } | |
2162 | ||
2163 | /* auto flush every 255 connections */ | |
58964a49 RE |
2164 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && |
2165 | ((i & mode) == mode)) | |
2166 | { | |
2167 | if ( (((mode & SSL_SESS_CACHE_CLIENT) | |
a13c20f6 BM |
2168 | ?s->session_ctx->stats.sess_connect_good |
2169 | :s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff) | |
58964a49 | 2170 | { |
a13c20f6 | 2171 | SSL_CTX_flush_sessions(s->session_ctx,(unsigned long)time(NULL)); |
58964a49 RE |
2172 | } |
2173 | } | |
d02b48c6 RE |
2174 | } |
2175 | ||
4ebb342f | 2176 | const SSL_METHOD *SSL_get_ssl_method(SSL *s) |
d02b48c6 RE |
2177 | { |
2178 | return(s->method); | |
2179 | } | |
2180 | ||
4ebb342f | 2181 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
d02b48c6 RE |
2182 | { |
2183 | int conn= -1; | |
2184 | int ret=1; | |
2185 | ||
2186 | if (s->method != meth) | |
2187 | { | |
2188 | if (s->handshake_func != NULL) | |
2189 | conn=(s->handshake_func == s->method->ssl_connect); | |
2190 | ||
2191 | if (s->method->version == meth->version) | |
2192 | s->method=meth; | |
2193 | else | |
2194 | { | |
2195 | s->method->ssl_free(s); | |
2196 | s->method=meth; | |
2197 | ret=s->method->ssl_new(s); | |
2198 | } | |
2199 | ||
2200 | if (conn == 1) | |
2201 | s->handshake_func=meth->ssl_connect; | |
2202 | else if (conn == 0) | |
2203 | s->handshake_func=meth->ssl_accept; | |
2204 | } | |
2205 | return(ret); | |
2206 | } | |
2207 | ||
0821bcd4 | 2208 | int SSL_get_error(const SSL *s,int i) |
d02b48c6 RE |
2209 | { |
2210 | int reason; | |
413c4f45 | 2211 | unsigned long l; |
d02b48c6 RE |
2212 | BIO *bio; |
2213 | ||
2214 | if (i > 0) return(SSL_ERROR_NONE); | |
2215 | ||
413c4f45 MC |
2216 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake |
2217 | * etc, where we do encode the error */ | |
2218 | if ((l=ERR_peek_error()) != 0) | |
2219 | { | |
2220 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
2221 | return(SSL_ERROR_SYSCALL); | |
2222 | else | |
2223 | return(SSL_ERROR_SSL); | |
2224 | } | |
d02b48c6 RE |
2225 | |
2226 | if ((i < 0) && SSL_want_read(s)) | |
2227 | { | |
2228 | bio=SSL_get_rbio(s); | |
2229 | if (BIO_should_read(bio)) | |
2230 | return(SSL_ERROR_WANT_READ); | |
2231 | else if (BIO_should_write(bio)) | |
3a66e306 BM |
2232 | /* This one doesn't make too much sense ... We never try |
2233 | * to write to the rbio, and an application program where | |
2234 | * rbio and wbio are separate couldn't even know what it | |
2235 | * should wait for. | |
2236 | * However if we ever set s->rwstate incorrectly | |
2237 | * (so that we have SSL_want_read(s) instead of | |
2238 | * SSL_want_write(s)) and rbio and wbio *are* the same, | |
2239 | * this test works around that bug; so it might be safer | |
2240 | * to keep it. */ | |
d02b48c6 RE |
2241 | return(SSL_ERROR_WANT_WRITE); |
2242 | else if (BIO_should_io_special(bio)) | |
2243 | { | |
2244 | reason=BIO_get_retry_reason(bio); | |
2245 | if (reason == BIO_RR_CONNECT) | |
2246 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
2247 | else if (reason == BIO_RR_ACCEPT) |
2248 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
2249 | else |
2250 | return(SSL_ERROR_SYSCALL); /* unknown */ | |
2251 | } | |
2252 | } | |
2253 | ||
2254 | if ((i < 0) && SSL_want_write(s)) | |
2255 | { | |
2256 | bio=SSL_get_wbio(s); | |
2257 | if (BIO_should_write(bio)) | |
2258 | return(SSL_ERROR_WANT_WRITE); | |
2259 | else if (BIO_should_read(bio)) | |
3a66e306 | 2260 | /* See above (SSL_want_read(s) with BIO_should_write(bio)) */ |
d02b48c6 RE |
2261 | return(SSL_ERROR_WANT_READ); |
2262 | else if (BIO_should_io_special(bio)) | |
2263 | { | |
2264 | reason=BIO_get_retry_reason(bio); | |
2265 | if (reason == BIO_RR_CONNECT) | |
2266 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
2267 | else if (reason == BIO_RR_ACCEPT) |
2268 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
2269 | else |
2270 | return(SSL_ERROR_SYSCALL); | |
2271 | } | |
2272 | } | |
2273 | if ((i < 0) && SSL_want_x509_lookup(s)) | |
2274 | { | |
2275 | return(SSL_ERROR_WANT_X509_LOOKUP); | |
2276 | } | |
2277 | ||
2278 | if (i == 0) | |
2279 | { | |
58964a49 | 2280 | if (s->version == SSL2_VERSION) |
d02b48c6 RE |
2281 | { |
2282 | /* assume it is the socket being closed */ | |
2283 | return(SSL_ERROR_ZERO_RETURN); | |
2284 | } | |
2285 | else | |
2286 | { | |
2287 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
58964a49 | 2288 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) |
d02b48c6 RE |
2289 | return(SSL_ERROR_ZERO_RETURN); |
2290 | } | |
2291 | } | |
2292 | return(SSL_ERROR_SYSCALL); | |
2293 | } | |
2294 | ||
4f43d0e7 | 2295 | int SSL_do_handshake(SSL *s) |
d02b48c6 | 2296 | { |
58964a49 RE |
2297 | int ret=1; |
2298 | ||
d02b48c6 RE |
2299 | if (s->handshake_func == NULL) |
2300 | { | |
58964a49 | 2301 | SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET); |
d02b48c6 RE |
2302 | return(-1); |
2303 | } | |
dfeab068 RE |
2304 | |
2305 | s->method->ssl_renegotiate_check(s); | |
2306 | ||
d02b48c6 | 2307 | if (SSL_in_init(s) || SSL_in_before(s)) |
58964a49 RE |
2308 | { |
2309 | ret=s->handshake_func(s); | |
2310 | } | |
2311 | return(ret); | |
d02b48c6 RE |
2312 | } |
2313 | ||
2314 | /* For the next 2 functions, SSL_clear() sets shutdown and so | |
2315 | * one of these calls will reset it */ | |
4f43d0e7 | 2316 | void SSL_set_accept_state(SSL *s) |
d02b48c6 | 2317 | { |
413c4f45 | 2318 | s->server=1; |
d02b48c6 RE |
2319 | s->shutdown=0; |
2320 | s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE; | |
2321 | s->handshake_func=s->method->ssl_accept; | |
2322 | /* clear the current cipher */ | |
2323 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
2324 | ssl_clear_hash_ctx(&s->read_hash); |
2325 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 RE |
2326 | } |
2327 | ||
4f43d0e7 | 2328 | void SSL_set_connect_state(SSL *s) |
d02b48c6 | 2329 | { |
413c4f45 | 2330 | s->server=0; |
d02b48c6 RE |
2331 | s->shutdown=0; |
2332 | s->state=SSL_ST_CONNECT|SSL_ST_BEFORE; | |
2333 | s->handshake_func=s->method->ssl_connect; | |
2334 | /* clear the current cipher */ | |
2335 | ssl_clear_cipher_ctx(s); | |
b948e2c5 DSH |
2336 | ssl_clear_hash_ctx(&s->read_hash); |
2337 | ssl_clear_hash_ctx(&s->write_hash); | |
d02b48c6 RE |
2338 | } |
2339 | ||
4f43d0e7 | 2340 | int ssl_undefined_function(SSL *s) |
d02b48c6 RE |
2341 | { |
2342 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2343 | return(0); | |
2344 | } | |
2345 | ||
41a15c4f BL |
2346 | int ssl_undefined_void_function(void) |
2347 | { | |
2348 | SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2349 | return(0); | |
2350 | } | |
2351 | ||
0821bcd4 BL |
2352 | int ssl_undefined_const_function(const SSL *s) |
2353 | { | |
2354 | SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2355 | return(0); | |
2356 | } | |
2357 | ||
4f43d0e7 | 2358 | SSL_METHOD *ssl_bad_method(int ver) |
d02b48c6 RE |
2359 | { |
2360 | SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2361 | return(NULL); | |
2362 | } | |
2363 | ||
0821bcd4 | 2364 | const char *SSL_get_version(const SSL *s) |
d02b48c6 | 2365 | { |
58964a49 RE |
2366 | if (s->version == TLS1_VERSION) |
2367 | return("TLSv1"); | |
2368 | else if (s->version == SSL3_VERSION) | |
d02b48c6 | 2369 | return("SSLv3"); |
58964a49 | 2370 | else if (s->version == SSL2_VERSION) |
d02b48c6 RE |
2371 | return("SSLv2"); |
2372 | else | |
2373 | return("unknown"); | |
2374 | } | |
2375 | ||
4f43d0e7 | 2376 | SSL *SSL_dup(SSL *s) |
8a41eb70 | 2377 | { |
f73e07cf | 2378 | STACK_OF(X509_NAME) *sk; |
d02b48c6 | 2379 | X509_NAME *xn; |
b1c4fe36 | 2380 | SSL *ret; |
d02b48c6 | 2381 | int i; |
52b8dad8 | 2382 | |
b4cadc6e BL |
2383 | if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
2384 | return(NULL); | |
bf21446a BM |
2385 | |
2386 | ret->version = s->version; | |
2387 | ret->type = s->type; | |
2388 | ret->method = s->method; | |
2389 | ||
8a41eb70 BM |
2390 | if (s->session != NULL) |
2391 | { | |
2392 | /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */ | |
2393 | SSL_copy_session_id(ret,s); | |
2394 | } | |
2395 | else | |
2396 | { | |
2397 | /* No session has been established yet, so we have to expect | |
2398 | * that s->cert or ret->cert will be changed later -- | |
2399 | * they should not both point to the same object, | |
2400 | * and thus we can't use SSL_copy_session_id. */ | |
2401 | ||
2e60ea76 | 2402 | ret->method->ssl_free(ret); |
8a41eb70 BM |
2403 | ret->method = s->method; |
2404 | ret->method->ssl_new(ret); | |
2405 | ||
2406 | if (s->cert != NULL) | |
2407 | { | |
34d69d3b RL |
2408 | if (ret->cert != NULL) |
2409 | { | |
2410 | ssl_cert_free(ret->cert); | |
2411 | } | |
8a41eb70 BM |
2412 | ret->cert = ssl_cert_dup(s->cert); |
2413 | if (ret->cert == NULL) | |
2414 | goto err; | |
2415 | } | |
2416 | ||
2417 | SSL_set_session_id_context(ret, | |
2418 | s->sid_ctx, s->sid_ctx_length); | |
2419 | } | |
d02b48c6 | 2420 | |
bf21446a BM |
2421 | ret->options=s->options; |
2422 | ret->mode=s->mode; | |
c0f5dd07 | 2423 | SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s)); |
d02b48c6 | 2424 | SSL_set_read_ahead(ret,SSL_get_read_ahead(s)); |
bf21446a BM |
2425 | ret->msg_callback = s->msg_callback; |
2426 | ret->msg_callback_arg = s->msg_callback_arg; | |
d02b48c6 RE |
2427 | SSL_set_verify(ret,SSL_get_verify_mode(s), |
2428 | SSL_get_verify_callback(s)); | |
7f89714e | 2429 | SSL_set_verify_depth(ret,SSL_get_verify_depth(s)); |
bf21446a | 2430 | ret->generate_session_id = s->generate_session_id; |
d02b48c6 RE |
2431 | |
2432 | SSL_set_info_callback(ret,SSL_get_info_callback(s)); | |
2433 | ||
2434 | ret->debug=s->debug; | |
2435 | ||
2436 | /* copy app data, a little dangerous perhaps */ | |
79aa04ef | 2437 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) |
58964a49 | 2438 | goto err; |
d02b48c6 RE |
2439 | |
2440 | /* setup rbio, and wbio */ | |
2441 | if (s->rbio != NULL) | |
2442 | { | |
2443 | if (!BIO_dup_state(s->rbio,(char *)&ret->rbio)) | |
2444 | goto err; | |
2445 | } | |
2446 | if (s->wbio != NULL) | |
2447 | { | |
2448 | if (s->wbio != s->rbio) | |
2449 | { | |
58964a49 | 2450 | if (!BIO_dup_state(s->wbio,(char *)&ret->wbio)) |
d02b48c6 RE |
2451 | goto err; |
2452 | } | |
2453 | else | |
2454 | ret->wbio=ret->rbio; | |
2455 | } | |
bf21446a BM |
2456 | ret->rwstate = s->rwstate; |
2457 | ret->in_handshake = s->in_handshake; | |
2458 | ret->handshake_func = s->handshake_func; | |
2459 | ret->server = s->server; | |
2460 | ret->new_session = s->new_session; | |
2461 | ret->quiet_shutdown = s->quiet_shutdown; | |
2462 | ret->shutdown=s->shutdown; | |
2463 | ret->state=s->state; /* SSL_dup does not really work at any state, though */ | |
2464 | ret->rstate=s->rstate; | |
2465 | ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */ | |
2466 | ret->hit=s->hit; | |
5d7c222d DSH |
2467 | |
2468 | X509_VERIFY_PARAM_inherit(ret->param, s->param); | |
d02b48c6 RE |
2469 | |
2470 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
2471 | if (s->cipher_list != NULL) | |
2472 | { | |
f73e07cf | 2473 | if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) |
d02b48c6 RE |
2474 | goto err; |
2475 | } | |
2476 | if (s->cipher_list_by_id != NULL) | |
f73e07cf | 2477 | if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id)) |
d02b48c6 RE |
2478 | == NULL) |
2479 | goto err; | |
2480 | ||
2481 | /* Dup the client_CA list */ | |
2482 | if (s->client_CA != NULL) | |
2483 | { | |
f73e07cf | 2484 | if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err; |
d02b48c6 | 2485 | ret->client_CA=sk; |
f73e07cf | 2486 | for (i=0; i<sk_X509_NAME_num(sk); i++) |
d02b48c6 | 2487 | { |
f73e07cf BL |
2488 | xn=sk_X509_NAME_value(sk,i); |
2489 | if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL) | |
d02b48c6 RE |
2490 | { |
2491 | X509_NAME_free(xn); | |
2492 | goto err; | |
2493 | } | |
2494 | } | |
2495 | } | |
2496 | ||
d02b48c6 RE |
2497 | if (0) |
2498 | { | |
2499 | err: | |
2500 | if (ret != NULL) SSL_free(ret); | |
2501 | ret=NULL; | |
2502 | } | |
2503 | return(ret); | |
2504 | } | |
2505 | ||
4f43d0e7 | 2506 | void ssl_clear_cipher_ctx(SSL *s) |
d02b48c6 | 2507 | { |
8a41eb70 BM |
2508 | if (s->enc_read_ctx != NULL) |
2509 | { | |
2510 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
26a3a48d | 2511 | OPENSSL_free(s->enc_read_ctx); |
8a41eb70 BM |
2512 | s->enc_read_ctx=NULL; |
2513 | } | |
2514 | if (s->enc_write_ctx != NULL) | |
2515 | { | |
2516 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
26a3a48d | 2517 | OPENSSL_free(s->enc_write_ctx); |
8a41eb70 BM |
2518 | s->enc_write_ctx=NULL; |
2519 | } | |
09b6c2ef | 2520 | #ifndef OPENSSL_NO_COMP |
413c4f45 MC |
2521 | if (s->expand != NULL) |
2522 | { | |
2523 | COMP_CTX_free(s->expand); | |
2524 | s->expand=NULL; | |
2525 | } | |
2526 | if (s->compress != NULL) | |
2527 | { | |
2528 | COMP_CTX_free(s->compress); | |
2529 | s->compress=NULL; | |
2530 | } | |
09b6c2ef | 2531 | #endif |
d02b48c6 RE |
2532 | } |
2533 | ||
58964a49 | 2534 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 2535 | X509 *SSL_get_certificate(const SSL *s) |
d02b48c6 RE |
2536 | { |
2537 | if (s->cert != NULL) | |
2538 | return(s->cert->key->x509); | |
2539 | else | |
2540 | return(NULL); | |
2541 | } | |
2542 | ||
58964a49 | 2543 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 2544 | EVP_PKEY *SSL_get_privatekey(SSL *s) |
d02b48c6 RE |
2545 | { |
2546 | if (s->cert != NULL) | |
2547 | return(s->cert->key->privatekey); | |
2548 | else | |
2549 | return(NULL); | |
2550 | } | |
2551 | ||
babb3798 | 2552 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
d02b48c6 | 2553 | { |
b1c4fe36 BM |
2554 | if ((s->session != NULL) && (s->session->cipher != NULL)) |
2555 | return(s->session->cipher); | |
2556 | return(NULL); | |
d02b48c6 | 2557 | } |
09b6c2ef DSH |
2558 | #ifdef OPENSSL_NO_COMP |
2559 | const void *SSL_get_current_compression(SSL *s) | |
2560 | { | |
2561 | return NULL; | |
2562 | } | |
2563 | const void *SSL_get_current_expansion(SSL *s) | |
2564 | { | |
2565 | return NULL; | |
2566 | } | |
2567 | #else | |
d02b48c6 | 2568 | |
377dcdba RL |
2569 | const COMP_METHOD *SSL_get_current_compression(SSL *s) |
2570 | { | |
2571 | if (s->compress != NULL) | |
2572 | return(s->compress->meth); | |
2573 | return(NULL); | |
2574 | } | |
2575 | ||
2576 | const COMP_METHOD *SSL_get_current_expansion(SSL *s) | |
2577 | { | |
2578 | if (s->expand != NULL) | |
2579 | return(s->expand->meth); | |
2580 | return(NULL); | |
2581 | } | |
09b6c2ef | 2582 | #endif |
377dcdba | 2583 | |
4f43d0e7 | 2584 | int ssl_init_wbio_buffer(SSL *s,int push) |
58964a49 RE |
2585 | { |
2586 | BIO *bbio; | |
2587 | ||
2588 | if (s->bbio == NULL) | |
2589 | { | |
2590 | bbio=BIO_new(BIO_f_buffer()); | |
2591 | if (bbio == NULL) return(0); | |
2592 | s->bbio=bbio; | |
2593 | } | |
2594 | else | |
2595 | { | |
2596 | bbio=s->bbio; | |
2597 | if (s->bbio == s->wbio) | |
2598 | s->wbio=BIO_pop(s->wbio); | |
2599 | } | |
d58d092b | 2600 | (void)BIO_reset(bbio); |
58964a49 RE |
2601 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ |
2602 | if (!BIO_set_read_buffer_size(bbio,1)) | |
2603 | { | |
2604 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB); | |
2605 | return(0); | |
2606 | } | |
2607 | if (push) | |
2608 | { | |
2609 | if (s->wbio != bbio) | |
2610 | s->wbio=BIO_push(bbio,s->wbio); | |
2611 | } | |
2612 | else | |
2613 | { | |
2614 | if (s->wbio == bbio) | |
2615 | s->wbio=BIO_pop(bbio); | |
2616 | } | |
2617 | return(1); | |
2618 | } | |
413c4f45 | 2619 | |
4f43d0e7 | 2620 | void ssl_free_wbio_buffer(SSL *s) |
413c4f45 | 2621 | { |
413c4f45 MC |
2622 | if (s->bbio == NULL) return; |
2623 | ||
2624 | if (s->bbio == s->wbio) | |
2625 | { | |
2626 | /* remove buffering */ | |
bbb8de09 BM |
2627 | s->wbio=BIO_pop(s->wbio); |
2628 | #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */ | |
2629 | assert(s->wbio != NULL); | |
52b8dad8 | 2630 | #endif |
bbb8de09 | 2631 | } |
413c4f45 MC |
2632 | BIO_free(s->bbio); |
2633 | s->bbio=NULL; | |
2634 | } | |
58964a49 | 2635 | |
4f43d0e7 | 2636 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode) |
58964a49 RE |
2637 | { |
2638 | ctx->quiet_shutdown=mode; | |
2639 | } | |
2640 | ||
0821bcd4 | 2641 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
58964a49 RE |
2642 | { |
2643 | return(ctx->quiet_shutdown); | |
2644 | } | |
2645 | ||
4f43d0e7 | 2646 | void SSL_set_quiet_shutdown(SSL *s,int mode) |
58964a49 RE |
2647 | { |
2648 | s->quiet_shutdown=mode; | |
2649 | } | |
2650 | ||
0821bcd4 | 2651 | int SSL_get_quiet_shutdown(const SSL *s) |
58964a49 RE |
2652 | { |
2653 | return(s->quiet_shutdown); | |
2654 | } | |
2655 | ||
4f43d0e7 | 2656 | void SSL_set_shutdown(SSL *s,int mode) |
58964a49 RE |
2657 | { |
2658 | s->shutdown=mode; | |
2659 | } | |
2660 | ||
0821bcd4 | 2661 | int SSL_get_shutdown(const SSL *s) |
58964a49 RE |
2662 | { |
2663 | return(s->shutdown); | |
2664 | } | |
2665 | ||
0821bcd4 | 2666 | int SSL_version(const SSL *s) |
58964a49 RE |
2667 | { |
2668 | return(s->version); | |
2669 | } | |
2670 | ||
0821bcd4 | 2671 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
58964a49 RE |
2672 | { |
2673 | return(ssl->ctx); | |
2674 | } | |
2675 | ||
ed3883d2 BM |
2676 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx) |
2677 | { | |
52b8dad8 | 2678 | if (ssl->ctx == ctx) |
a13c20f6 | 2679 | return ssl->ctx; |
367eb1f1 | 2680 | #ifndef OPENSSL_NO_TLSEXT |
a13c20f6 BM |
2681 | if (ctx == NULL) |
2682 | ctx = ssl->initial_ctx; | |
367eb1f1 | 2683 | #endif |
ed3883d2 BM |
2684 | if (ssl->cert != NULL) |
2685 | ssl_cert_free(ssl->cert); | |
2686 | ssl->cert = ssl_cert_dup(ctx->cert); | |
2687 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); | |
2688 | if (ssl->ctx != NULL) | |
2689 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ | |
2690 | ssl->ctx = ctx; | |
2691 | return(ssl->ctx); | |
2692 | } | |
2693 | ||
bc36ee62 | 2694 | #ifndef OPENSSL_NO_STDIO |
4f43d0e7 | 2695 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
58964a49 RE |
2696 | { |
2697 | return(X509_STORE_set_default_paths(ctx->cert_store)); | |
2698 | } | |
2699 | ||
303c0028 BM |
2700 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
2701 | const char *CApath) | |
58964a49 RE |
2702 | { |
2703 | return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath)); | |
2704 | } | |
dfeab068 | 2705 | #endif |
58964a49 | 2706 | |
45d87a1f | 2707 | void SSL_set_info_callback(SSL *ssl, |
7806f3dd | 2708 | void (*cb)(const SSL *ssl,int type,int val)) |
58964a49 RE |
2709 | { |
2710 | ssl->info_callback=cb; | |
2711 | } | |
2712 | ||
543b4ecc RL |
2713 | /* One compiler (Diab DCC) doesn't like argument names in returned |
2714 | function pointer. */ | |
52b8dad8 | 2715 | void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/) |
58964a49 | 2716 | { |
45d87a1f | 2717 | return ssl->info_callback; |
58964a49 RE |
2718 | } |
2719 | ||
0821bcd4 | 2720 | int SSL_state(const SSL *ssl) |
58964a49 RE |
2721 | { |
2722 | return(ssl->state); | |
2723 | } | |
2724 | ||
4f43d0e7 | 2725 | void SSL_set_verify_result(SSL *ssl,long arg) |
58964a49 RE |
2726 | { |
2727 | ssl->verify_result=arg; | |
2728 | } | |
2729 | ||
0821bcd4 | 2730 | long SSL_get_verify_result(const SSL *ssl) |
58964a49 RE |
2731 | { |
2732 | return(ssl->verify_result); | |
2733 | } | |
2734 | ||
dd9d233e DSH |
2735 | int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2736 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2737 | { |
79aa04ef GT |
2738 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp, |
2739 | new_func, dup_func, free_func); | |
b1c4fe36 | 2740 | } |
58964a49 | 2741 | |
4f43d0e7 | 2742 | int SSL_set_ex_data(SSL *s,int idx,void *arg) |
58964a49 RE |
2743 | { |
2744 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2745 | } | |
2746 | ||
0821bcd4 | 2747 | void *SSL_get_ex_data(const SSL *s,int idx) |
58964a49 RE |
2748 | { |
2749 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2750 | } | |
2751 | ||
dd9d233e DSH |
2752 | int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2753 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2754 | { |
79aa04ef GT |
2755 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp, |
2756 | new_func, dup_func, free_func); | |
b1c4fe36 | 2757 | } |
58964a49 | 2758 | |
4f43d0e7 | 2759 | int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg) |
58964a49 RE |
2760 | { |
2761 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2762 | } | |
2763 | ||
0821bcd4 | 2764 | void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx) |
58964a49 RE |
2765 | { |
2766 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2767 | } | |
2768 | ||
4f43d0e7 | 2769 | int ssl_ok(SSL *s) |
dfeab068 RE |
2770 | { |
2771 | return(1); | |
2772 | } | |
2773 | ||
0821bcd4 | 2774 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
413c4f45 MC |
2775 | { |
2776 | return(ctx->cert_store); | |
2777 | } | |
2778 | ||
4f43d0e7 | 2779 | void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store) |
413c4f45 MC |
2780 | { |
2781 | if (ctx->cert_store != NULL) | |
2782 | X509_STORE_free(ctx->cert_store); | |
2783 | ctx->cert_store=store; | |
2784 | } | |
2785 | ||
0821bcd4 | 2786 | int SSL_want(const SSL *s) |
413c4f45 MC |
2787 | { |
2788 | return(s->rwstate); | |
2789 | } | |
2790 | ||
4f43d0e7 BL |
2791 | /*! |
2792 | * \brief Set the callback for generating temporary RSA keys. | |
2793 | * \param ctx the SSL context. | |
2794 | * \param cb the callback | |
2795 | */ | |
2796 | ||
bc36ee62 | 2797 | #ifndef OPENSSL_NO_RSA |
df63a389 UM |
2798 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl, |
2799 | int is_export, | |
60e31c3a | 2800 | int keylength)) |
a9188d4e | 2801 | { |
41a15c4f | 2802 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); |
a9188d4e | 2803 | } |
79df9d62 | 2804 | |
d3442bc7 RL |
2805 | void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl, |
2806 | int is_export, | |
2807 | int keylength)) | |
a9188d4e | 2808 | { |
41a15c4f | 2809 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); |
a9188d4e | 2810 | } |
79df9d62 | 2811 | #endif |
f8c3c05d | 2812 | |
4f43d0e7 BL |
2813 | #ifdef DOXYGEN |
2814 | /*! | |
2815 | * \brief The RSA temporary key callback function. | |
2816 | * \param ssl the SSL session. | |
df63a389 UM |
2817 | * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite. |
2818 | * \param keylength if \c is_export is \c TRUE, then \c keylength is the size | |
2819 | * of the required key in bits. | |
4f43d0e7 BL |
2820 | * \return the temporary RSA key. |
2821 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
2822 | */ | |
2823 | ||
df63a389 | 2824 | RSA *cb(SSL *ssl,int is_export,int keylength) |
4f43d0e7 BL |
2825 | {} |
2826 | #endif | |
2827 | ||
2828 | /*! | |
2829 | * \brief Set the callback for generating temporary DH keys. | |
2830 | * \param ctx the SSL context. | |
2831 | * \param dh the callback | |
2832 | */ | |
2833 | ||
bc36ee62 | 2834 | #ifndef OPENSSL_NO_DH |
df63a389 | 2835 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export, |
52b8dad8 | 2836 | int keylength)) |
a661b653 | 2837 | { |
41a15c4f | 2838 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); |
a661b653 | 2839 | } |
f8c3c05d | 2840 | |
df63a389 | 2841 | void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export, |
52b8dad8 | 2842 | int keylength)) |
a661b653 | 2843 | { |
41a15c4f | 2844 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); |
a661b653 | 2845 | } |
79df9d62 | 2846 | #endif |
15d21c2d | 2847 | |
ea262260 BM |
2848 | #ifndef OPENSSL_NO_ECDH |
2849 | void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export, | |
52b8dad8 | 2850 | int keylength)) |
ea262260 | 2851 | { |
41a15c4f | 2852 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); |
ea262260 BM |
2853 | } |
2854 | ||
2855 | void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export, | |
52b8dad8 | 2856 | int keylength)) |
ea262260 | 2857 | { |
41a15c4f | 2858 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); |
ea262260 BM |
2859 | } |
2860 | #endif | |
2861 | ||
ddac1974 NL |
2862 | #ifndef OPENSSL_NO_PSK |
2863 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) | |
2864 | { | |
2865 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) | |
2866 | { | |
2867 | SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); | |
2868 | return 0; | |
2869 | } | |
2870 | if (ctx->psk_identity_hint != NULL) | |
2871 | OPENSSL_free(ctx->psk_identity_hint); | |
2872 | if (identity_hint != NULL) | |
2873 | { | |
2874 | ctx->psk_identity_hint = BUF_strdup(identity_hint); | |
2875 | if (ctx->psk_identity_hint == NULL) | |
2876 | return 0; | |
2877 | } | |
2878 | else | |
2879 | ctx->psk_identity_hint = NULL; | |
2880 | return 1; | |
2881 | } | |
2882 | ||
2883 | int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) | |
2884 | { | |
2885 | if (s == NULL) | |
2886 | return 0; | |
2887 | ||
2888 | if (s->session == NULL) | |
2889 | return 1; /* session not created yet, ignored */ | |
2890 | ||
2891 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) | |
2892 | { | |
2893 | SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); | |
2894 | return 0; | |
2895 | } | |
2896 | if (s->session->psk_identity_hint != NULL) | |
2897 | OPENSSL_free(s->session->psk_identity_hint); | |
2898 | if (identity_hint != NULL) | |
2899 | { | |
2900 | s->session->psk_identity_hint = BUF_strdup(identity_hint); | |
2901 | if (s->session->psk_identity_hint == NULL) | |
2902 | return 0; | |
2903 | } | |
2904 | else | |
2905 | s->session->psk_identity_hint = NULL; | |
2906 | return 1; | |
2907 | } | |
2908 | ||
2909 | const char *SSL_get_psk_identity_hint(const SSL *s) | |
2910 | { | |
2911 | if (s == NULL || s->session == NULL) | |
2912 | return NULL; | |
2913 | return(s->session->psk_identity_hint); | |
2914 | } | |
2915 | ||
2916 | const char *SSL_get_psk_identity(const SSL *s) | |
2917 | { | |
2918 | if (s == NULL || s->session == NULL) | |
2919 | return NULL; | |
2920 | return(s->session->psk_identity); | |
2921 | } | |
7806f3dd | 2922 | |
52b8dad8 BM |
2923 | void SSL_set_psk_client_callback(SSL *s, |
2924 | unsigned int (*cb)(SSL *ssl, const char *hint, | |
2925 | char *identity, unsigned int max_identity_len, unsigned char *psk, | |
2926 | unsigned int max_psk_len)) | |
7806f3dd | 2927 | { |
52b8dad8 | 2928 | s->psk_client_callback = cb; |
7806f3dd NL |
2929 | } |
2930 | ||
2931 | void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, | |
52b8dad8 BM |
2932 | unsigned int (*cb)(SSL *ssl, const char *hint, |
2933 | char *identity, unsigned int max_identity_len, unsigned char *psk, | |
2934 | unsigned int max_psk_len)) | |
7806f3dd | 2935 | { |
52b8dad8 | 2936 | ctx->psk_client_callback = cb; |
7806f3dd NL |
2937 | } |
2938 | ||
52b8dad8 BM |
2939 | void SSL_set_psk_server_callback(SSL *s, |
2940 | unsigned int (*cb)(SSL *ssl, const char *identity, | |
2941 | unsigned char *psk, unsigned int max_psk_len)) | |
7806f3dd | 2942 | { |
52b8dad8 | 2943 | s->psk_server_callback = cb; |
7806f3dd NL |
2944 | } |
2945 | ||
2946 | void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, | |
52b8dad8 BM |
2947 | unsigned int (*cb)(SSL *ssl, const char *identity, |
2948 | unsigned char *psk, unsigned int max_psk_len)) | |
7806f3dd | 2949 | { |
52b8dad8 | 2950 | ctx->psk_server_callback = cb; |
7806f3dd | 2951 | } |
ddac1974 | 2952 | #endif |
a661b653 BM |
2953 | |
2954 | 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)) | |
2955 | { | |
41a15c4f | 2956 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); |
a661b653 BM |
2957 | } |
2958 | 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)) | |
2959 | { | |
41a15c4f | 2960 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); |
a661b653 BM |
2961 | } |
2962 | ||
b948e2c5 DSH |
2963 | /* Allocates new EVP_MD_CTX and sets pointer to it into given pointer |
2964 | * vairable, freeing EVP_MD_CTX previously stored in that variable, if | |
2965 | * any. If EVP_MD pointer is passed, initializes ctx with this md | |
2966 | * Returns newly allocated ctx; | |
8671b898 | 2967 | */ |
b948e2c5 DSH |
2968 | |
2969 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) | |
2970 | { | |
2971 | ssl_clear_hash_ctx(hash); | |
2972 | *hash = EVP_MD_CTX_create(); | |
2973 | if (md) EVP_DigestInit_ex(*hash,md,NULL); | |
2974 | return *hash; | |
2975 | } | |
2976 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash) | |
2977 | { | |
2978 | ||
2979 | if (*hash) EVP_MD_CTX_destroy(*hash); | |
2980 | *hash=NULL; | |
2981 | } | |
a661b653 | 2982 | |
bc36ee62 | 2983 | #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16) |
58964a49 RE |
2984 | #include "../crypto/bio/bss_file.c" |
2985 | #endif | |
f73e07cf BL |
2986 | |
2987 | IMPLEMENT_STACK_OF(SSL_CIPHER) | |
2988 | IMPLEMENT_STACK_OF(SSL_COMP) | |
06ddf8eb DSH |
2989 | IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, |
2990 | ssl_cipher_id); | |
2991 |