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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 | /* ==================================================================== |
f1fd4544 | 61 | * Copyright (c) 1998-2006 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 | */ | |
bbb8de09 | 118 | |
027e257b BM |
119 | #ifdef REF_CHECK |
120 | # include <assert.h> | |
121 | #endif | |
d02b48c6 | 122 | #include <stdio.h> |
7b63c0fa LJ |
123 | #include "ssl_locl.h" |
124 | #include "kssl_lcl.h" | |
ec577822 BM |
125 | #include <openssl/objects.h> |
126 | #include <openssl/lhash.h> | |
bb7cd4e3 | 127 | #include <openssl/x509v3.h> |
3eeaab4b | 128 | #ifndef OPENSSL_NO_DH |
60a938c6 | 129 | #include <openssl/dh.h> |
3eeaab4b | 130 | #endif |
d02b48c6 | 131 | |
9d1a01be | 132 | const char *SSL_version_str=OPENSSL_VERSION_TEXT; |
58964a49 | 133 | |
3ed449e9 | 134 | SSL3_ENC_METHOD ssl3_undef_enc_method={ |
dd9d233e | 135 | /* evil casts, but these functions are only called if there's a library bug */ |
245206ea BM |
136 | (int (*)(SSL *,int))ssl_undefined_function, |
137 | (int (*)(SSL *, unsigned char *, int))ssl_undefined_function, | |
58964a49 | 138 | ssl_undefined_function, |
245206ea BM |
139 | (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function, |
140 | (int (*)(SSL*, int))ssl_undefined_function, | |
8215e7a9 NL |
141 | (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function, |
142 | 0, /* finish_mac_length */ | |
143 | (int (*)(SSL *, EVP_MD_CTX *, unsigned char *))ssl_undefined_function, | |
144 | NULL, /* client_finished_label */ | |
145 | 0, /* client_finished_label_len */ | |
146 | NULL, /* server_finished_label */ | |
147 | 0, /* server_finished_label_len */ | |
148 | (int (*)(int))ssl_undefined_function | |
58964a49 | 149 | }; |
d02b48c6 | 150 | |
4f43d0e7 | 151 | int SSL_clear(SSL *s) |
d02b48c6 | 152 | { |
d02b48c6 | 153 | |
413c4f45 MC |
154 | if (s->method == NULL) |
155 | { | |
156 | SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED); | |
157 | return(0); | |
158 | } | |
d02b48c6 | 159 | |
d62bfb39 LJ |
160 | if (ssl_clear_bad_session(s)) |
161 | { | |
162 | SSL_SESSION_free(s->session); | |
163 | s->session=NULL; | |
164 | } | |
165 | ||
d02b48c6 RE |
166 | s->error=0; |
167 | s->hit=0; | |
413c4f45 | 168 | s->shutdown=0; |
d02b48c6 | 169 | |
a2a01589 BM |
170 | #if 0 /* Disabled since version 1.10 of this file (early return not |
171 | * needed because SSL_clear is not called when doing renegotiation) */ | |
d02b48c6 RE |
172 | /* This is set if we are doing dynamic renegotiation so keep |
173 | * the old cipher. It is sort of a SSL_clear_lite :-) */ | |
413c4f45 | 174 | if (s->new_session) return(1); |
a2a01589 BM |
175 | #else |
176 | if (s->new_session) | |
177 | { | |
5277d7cb | 178 | SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR); |
a2a01589 BM |
179 | return 0; |
180 | } | |
413c4f45 | 181 | #endif |
d02b48c6 | 182 | |
d02b48c6 RE |
183 | s->type=0; |
184 | ||
413c4f45 MC |
185 | s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT); |
186 | ||
d02b48c6 | 187 | s->version=s->method->version; |
413c4f45 | 188 | s->client_version=s->version; |
d02b48c6 | 189 | s->rwstate=SSL_NOTHING; |
d02b48c6 | 190 | s->rstate=SSL_ST_READ_HEADER; |
544ebbce | 191 | #if 0 |
413c4f45 | 192 | s->read_ahead=s->ctx->read_ahead; |
544ebbce | 193 | #endif |
d02b48c6 RE |
194 | |
195 | if (s->init_buf != NULL) | |
196 | { | |
197 | BUF_MEM_free(s->init_buf); | |
198 | s->init_buf=NULL; | |
199 | } | |
200 | ||
201 | ssl_clear_cipher_ctx(s); | |
202 | ||
d02b48c6 RE |
203 | s->first_packet=0; |
204 | ||
413c4f45 MC |
205 | #if 1 |
206 | /* Check to see if we were changed into a different method, if | |
207 | * so, revert back if we are not doing session-id reuse. */ | |
979689aa | 208 | if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method)) |
413c4f45 MC |
209 | { |
210 | s->method->ssl_free(s); | |
211 | s->method=s->ctx->method; | |
212 | if (!s->method->ssl_new(s)) | |
213 | return(0); | |
214 | } | |
215 | else | |
216 | #endif | |
217 | s->method->ssl_clear(s); | |
218 | return(1); | |
d02b48c6 RE |
219 | } |
220 | ||
4f43d0e7 | 221 | /** Used to change an SSL_CTXs default SSL method type */ |
4ebb342f | 222 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx,const SSL_METHOD *meth) |
d02b48c6 | 223 | { |
f73e07cf | 224 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
225 | |
226 | ctx->method=meth; | |
227 | ||
228 | sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list), | |
229 | &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST); | |
f73e07cf | 230 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) |
d02b48c6 RE |
231 | { |
232 | SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); | |
233 | return(0); | |
234 | } | |
235 | return(1); | |
236 | } | |
237 | ||
4f43d0e7 | 238 | SSL *SSL_new(SSL_CTX *ctx) |
d02b48c6 RE |
239 | { |
240 | SSL *s; | |
241 | ||
242 | if (ctx == NULL) | |
243 | { | |
244 | SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX); | |
245 | return(NULL); | |
246 | } | |
247 | if (ctx->method == NULL) | |
248 | { | |
249 | SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); | |
250 | return(NULL); | |
251 | } | |
252 | ||
26a3a48d | 253 | s=(SSL *)OPENSSL_malloc(sizeof(SSL)); |
d02b48c6 RE |
254 | if (s == NULL) goto err; |
255 | memset(s,0,sizeof(SSL)); | |
256 | ||
bc36ee62 | 257 | #ifndef OPENSSL_NO_KRB5 |
f9b3bff6 | 258 | s->kssl_ctx = kssl_ctx_new(); |
bc36ee62 | 259 | #endif /* OPENSSL_NO_KRB5 */ |
f9b3bff6 | 260 | |
bf21446a BM |
261 | s->options=ctx->options; |
262 | s->mode=ctx->mode; | |
263 | s->max_cert_list=ctx->max_cert_list; | |
264 | ||
ca8e5b9b | 265 | if (ctx->cert != NULL) |
d02b48c6 | 266 | { |
ca8e5b9b BM |
267 | /* Earlier library versions used to copy the pointer to |
268 | * the CERT, not its contents; only when setting new | |
269 | * parameters for the per-SSL copy, ssl_cert_new would be | |
270 | * called (and the direct reference to the per-SSL_CTX | |
271 | * settings would be lost, but those still were indirectly | |
272 | * accessed for various purposes, and for that reason they | |
273 | * used to be known as s->ctx->default_cert). | |
274 | * Now we don't look at the SSL_CTX's CERT after having | |
275 | * duplicated it once. */ | |
276 | ||
277 | s->cert = ssl_cert_dup(ctx->cert); | |
278 | if (s->cert == NULL) | |
279 | goto err; | |
d02b48c6 RE |
280 | } |
281 | else | |
ca8e5b9b | 282 | s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */ |
bf21446a BM |
283 | |
284 | s->read_ahead=ctx->read_ahead; | |
285 | s->msg_callback=ctx->msg_callback; | |
286 | s->msg_callback_arg=ctx->msg_callback_arg; | |
413c4f45 | 287 | s->verify_mode=ctx->verify_mode; |
5d7c222d | 288 | #if 0 |
7f89714e | 289 | s->verify_depth=ctx->verify_depth; |
5d7c222d | 290 | #endif |
bf21446a | 291 | s->sid_ctx_length=ctx->sid_ctx_length; |
54a656ef | 292 | OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx); |
bf21446a | 293 | memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx)); |
d02b48c6 | 294 | s->verify_callback=ctx->default_verify_callback; |
dc644fe2 | 295 | s->generate_session_id=ctx->generate_session_id; |
5d7c222d DSH |
296 | |
297 | s->param = X509_VERIFY_PARAM_new(); | |
298 | if (!s->param) | |
299 | goto err; | |
300 | X509_VERIFY_PARAM_inherit(s->param, ctx->param); | |
301 | #if 0 | |
13938ace DSH |
302 | s->purpose = ctx->purpose; |
303 | s->trust = ctx->trust; | |
5d7c222d | 304 | #endif |
bf21446a | 305 | s->quiet_shutdown=ctx->quiet_shutdown; |
566dda07 | 306 | s->max_send_fragment = ctx->max_send_fragment; |
bf21446a | 307 | |
d02b48c6 RE |
308 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); |
309 | s->ctx=ctx; | |
310 | ||
311 | s->verify_result=X509_V_OK; | |
312 | ||
313 | s->method=ctx->method; | |
314 | ||
315 | if (!s->method->ssl_new(s)) | |
d02b48c6 | 316 | goto err; |
d02b48c6 | 317 | |
58964a49 | 318 | s->references=1; |
413c4f45 | 319 | s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1; |
bf21446a | 320 | |
d02b48c6 | 321 | SSL_clear(s); |
58964a49 | 322 | |
79aa04ef | 323 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 324 | |
d02b48c6 RE |
325 | return(s); |
326 | err: | |
ca8e5b9b BM |
327 | if (s != NULL) |
328 | { | |
329 | if (s->cert != NULL) | |
330 | ssl_cert_free(s->cert); | |
331 | if (s->ctx != NULL) | |
332 | SSL_CTX_free(s->ctx); /* decrement reference count */ | |
26a3a48d | 333 | OPENSSL_free(s); |
ca8e5b9b | 334 | } |
d02b48c6 RE |
335 | SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE); |
336 | return(NULL); | |
337 | } | |
338 | ||
4eb77b26 BM |
339 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx, |
340 | unsigned int sid_ctx_len) | |
341 | { | |
54a656ef | 342 | if(sid_ctx_len > sizeof ctx->sid_ctx) |
4eb77b26 BM |
343 | { |
344 | SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
345 | return 0; | |
346 | } | |
347 | ctx->sid_ctx_length=sid_ctx_len; | |
348 | memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len); | |
349 | ||
350 | return 1; | |
351 | } | |
352 | ||
b4cadc6e BL |
353 | int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx, |
354 | unsigned int sid_ctx_len) | |
355 | { | |
356 | if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) | |
357 | { | |
358 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
359 | return 0; | |
360 | } | |
361 | ssl->sid_ctx_length=sid_ctx_len; | |
362 | memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len); | |
363 | ||
364 | return 1; | |
365 | } | |
366 | ||
dc644fe2 GT |
367 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
368 | { | |
369 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
370 | ctx->generate_session_id = cb; | |
371 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
372 | return 1; | |
373 | } | |
374 | ||
375 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
376 | { | |
377 | CRYPTO_w_lock(CRYPTO_LOCK_SSL); | |
378 | ssl->generate_session_id = cb; | |
379 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL); | |
380 | return 1; | |
381 | } | |
382 | ||
f85c9904 | 383 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
dc644fe2 GT |
384 | unsigned int id_len) |
385 | { | |
386 | /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
387 | * we can "construct" a session to give us the desired check - ie. to | |
388 | * find if there's a session in the hash table that would conflict with | |
389 | * any new session built out of this id/id_len and the ssl_version in | |
f85c9904 | 390 | * use by this SSL. */ |
dc644fe2 | 391 | SSL_SESSION r, *p; |
54a656ef BL |
392 | |
393 | if(id_len > sizeof r.session_id) | |
394 | return 0; | |
395 | ||
f85c9904 | 396 | r.ssl_version = ssl->version; |
dc644fe2 GT |
397 | r.session_id_length = id_len; |
398 | memcpy(r.session_id, id, id_len); | |
ec0f1959 GT |
399 | /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a |
400 | * callback is calling us to check the uniqueness of a shorter ID, it | |
401 | * must be compared as a padded-out ID because that is what it will be | |
402 | * converted to when the callback has finished choosing it. */ | |
403 | if((r.ssl_version == SSL2_VERSION) && | |
404 | (id_len < SSL2_SSL_SESSION_ID_LENGTH)) | |
405 | { | |
406 | memset(r.session_id + id_len, 0, | |
407 | SSL2_SSL_SESSION_ID_LENGTH - id_len); | |
408 | r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH; | |
409 | } | |
dc644fe2 GT |
410 | |
411 | CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); | |
f85c9904 | 412 | p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r); |
dc644fe2 GT |
413 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); |
414 | return (p != NULL); | |
415 | } | |
416 | ||
bb7cd4e3 | 417 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
bf21446a | 418 | { |
5d7c222d | 419 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); |
bf21446a | 420 | } |
bb7cd4e3 DSH |
421 | |
422 | int SSL_set_purpose(SSL *s, int purpose) | |
bf21446a | 423 | { |
5d7c222d | 424 | return X509_VERIFY_PARAM_set_purpose(s->param, purpose); |
bf21446a | 425 | } |
926a56bf | 426 | |
bb7cd4e3 | 427 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
bf21446a | 428 | { |
5d7c222d | 429 | return X509_VERIFY_PARAM_set_trust(s->param, trust); |
bf21446a | 430 | } |
bb7cd4e3 DSH |
431 | |
432 | int SSL_set_trust(SSL *s, int trust) | |
bf21446a | 433 | { |
5d7c222d | 434 | return X509_VERIFY_PARAM_set_trust(s->param, trust); |
bf21446a | 435 | } |
bb7cd4e3 | 436 | |
4f43d0e7 | 437 | void SSL_free(SSL *s) |
d02b48c6 | 438 | { |
58964a49 RE |
439 | int i; |
440 | ||
e03ddfae BL |
441 | if(s == NULL) |
442 | return; | |
443 | ||
58964a49 RE |
444 | i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL); |
445 | #ifdef REF_PRINT | |
446 | REF_PRINT("SSL",s); | |
447 | #endif | |
448 | if (i > 0) return; | |
449 | #ifdef REF_CHECK | |
450 | if (i < 0) | |
451 | { | |
452 | fprintf(stderr,"SSL_free, bad reference count\n"); | |
453 | abort(); /* ok */ | |
454 | } | |
455 | #endif | |
456 | ||
5d7c222d DSH |
457 | if (s->param) |
458 | X509_VERIFY_PARAM_free(s->param); | |
459 | ||
79aa04ef | 460 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 461 | |
d02b48c6 RE |
462 | if (s->bbio != NULL) |
463 | { | |
464 | /* If the buffering BIO is in place, pop it off */ | |
465 | if (s->bbio == s->wbio) | |
466 | { | |
467 | s->wbio=BIO_pop(s->wbio); | |
468 | } | |
469 | BIO_free(s->bbio); | |
58964a49 | 470 | s->bbio=NULL; |
d02b48c6 RE |
471 | } |
472 | if (s->rbio != NULL) | |
473 | BIO_free_all(s->rbio); | |
474 | if ((s->wbio != NULL) && (s->wbio != s->rbio)) | |
475 | BIO_free_all(s->wbio); | |
476 | ||
477 | if (s->init_buf != NULL) BUF_MEM_free(s->init_buf); | |
478 | ||
479 | /* add extra stuff */ | |
f73e07cf BL |
480 | if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list); |
481 | if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
d02b48c6 RE |
482 | |
483 | /* Make the next call work :-) */ | |
484 | if (s->session != NULL) | |
485 | { | |
486 | ssl_clear_bad_session(s); | |
487 | SSL_SESSION_free(s->session); | |
488 | } | |
489 | ||
490 | ssl_clear_cipher_ctx(s); | |
491 | ||
492 | if (s->cert != NULL) ssl_cert_free(s->cert); | |
493 | /* Free up if allocated */ | |
494 | ||
495 | if (s->ctx) SSL_CTX_free(s->ctx); | |
496 | ||
497 | if (s->client_CA != NULL) | |
f73e07cf | 498 | sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free); |
d02b48c6 RE |
499 | |
500 | if (s->method != NULL) s->method->ssl_free(s); | |
501 | ||
0e6c20da RL |
502 | #ifndef OPENSSL_NO_KRB5 |
503 | if (s->kssl_ctx != NULL) | |
504 | kssl_ctx_free(s->kssl_ctx); | |
505 | #endif /* OPENSSL_NO_KRB5 */ | |
506 | ||
26a3a48d | 507 | OPENSSL_free(s); |
d02b48c6 RE |
508 | } |
509 | ||
4f43d0e7 | 510 | void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio) |
d02b48c6 RE |
511 | { |
512 | /* If the output buffering BIO is still in place, remove it | |
513 | */ | |
514 | if (s->bbio != NULL) | |
515 | { | |
516 | if (s->wbio == s->bbio) | |
517 | { | |
518 | s->wbio=s->wbio->next_bio; | |
519 | s->bbio->next_bio=NULL; | |
520 | } | |
521 | } | |
522 | if ((s->rbio != NULL) && (s->rbio != rbio)) | |
523 | BIO_free_all(s->rbio); | |
524 | if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio)) | |
525 | BIO_free_all(s->wbio); | |
526 | s->rbio=rbio; | |
527 | s->wbio=wbio; | |
528 | } | |
529 | ||
0821bcd4 | 530 | BIO *SSL_get_rbio(const SSL *s) |
d02b48c6 RE |
531 | { return(s->rbio); } |
532 | ||
0821bcd4 | 533 | BIO *SSL_get_wbio(const SSL *s) |
d02b48c6 RE |
534 | { return(s->wbio); } |
535 | ||
0821bcd4 | 536 | int SSL_get_fd(const SSL *s) |
24cbf3ef | 537 | { |
fa293e4e | 538 | return(SSL_get_rfd(s)); |
24cbf3ef RL |
539 | } |
540 | ||
0821bcd4 | 541 | int SSL_get_rfd(const SSL *s) |
d02b48c6 RE |
542 | { |
543 | int ret= -1; | |
544 | BIO *b,*r; | |
545 | ||
546 | b=SSL_get_rbio(s); | |
547 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
548 | if (r != NULL) | |
549 | BIO_get_fd(r,&ret); | |
550 | return(ret); | |
551 | } | |
552 | ||
0821bcd4 | 553 | int SSL_get_wfd(const SSL *s) |
24cbf3ef RL |
554 | { |
555 | int ret= -1; | |
556 | BIO *b,*r; | |
557 | ||
558 | b=SSL_get_wbio(s); | |
559 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
560 | if (r != NULL) | |
561 | BIO_get_fd(r,&ret); | |
562 | return(ret); | |
563 | } | |
564 | ||
bc36ee62 | 565 | #ifndef OPENSSL_NO_SOCK |
4f43d0e7 | 566 | int SSL_set_fd(SSL *s,int fd) |
d02b48c6 RE |
567 | { |
568 | int ret=0; | |
569 | BIO *bio=NULL; | |
570 | ||
571 | bio=BIO_new(BIO_s_socket()); | |
572 | ||
573 | if (bio == NULL) | |
574 | { | |
575 | SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB); | |
576 | goto err; | |
577 | } | |
578 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
579 | SSL_set_bio(s,bio,bio); | |
580 | ret=1; | |
581 | err: | |
582 | return(ret); | |
583 | } | |
584 | ||
4f43d0e7 | 585 | int SSL_set_wfd(SSL *s,int fd) |
d02b48c6 RE |
586 | { |
587 | int ret=0; | |
588 | BIO *bio=NULL; | |
589 | ||
58964a49 RE |
590 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) |
591 | || ((int)BIO_get_fd(s->rbio,NULL) != fd)) | |
592 | { | |
593 | bio=BIO_new(BIO_s_socket()); | |
d02b48c6 | 594 | |
58964a49 RE |
595 | if (bio == NULL) |
596 | { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; } | |
597 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
598 | SSL_set_bio(s,SSL_get_rbio(s),bio); | |
599 | } | |
600 | else | |
601 | SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s)); | |
d02b48c6 RE |
602 | ret=1; |
603 | err: | |
604 | return(ret); | |
605 | } | |
606 | ||
4f43d0e7 | 607 | int SSL_set_rfd(SSL *s,int fd) |
d02b48c6 RE |
608 | { |
609 | int ret=0; | |
610 | BIO *bio=NULL; | |
611 | ||
58964a49 RE |
612 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) |
613 | || ((int)BIO_get_fd(s->wbio,NULL) != fd)) | |
d02b48c6 | 614 | { |
58964a49 RE |
615 | bio=BIO_new(BIO_s_socket()); |
616 | ||
617 | if (bio == NULL) | |
618 | { | |
619 | SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB); | |
620 | goto err; | |
621 | } | |
622 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
623 | SSL_set_bio(s,bio,SSL_get_wbio(s)); | |
d02b48c6 | 624 | } |
58964a49 RE |
625 | else |
626 | SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s)); | |
d02b48c6 RE |
627 | ret=1; |
628 | err: | |
629 | return(ret); | |
630 | } | |
631 | #endif | |
632 | ||
ca03109c BM |
633 | |
634 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
0821bcd4 | 635 | size_t SSL_get_finished(const SSL *s, void *buf, size_t count) |
ca03109c BM |
636 | { |
637 | size_t ret = 0; | |
638 | ||
639 | if (s->s3 != NULL) | |
640 | { | |
641 | ret = s->s3->tmp.finish_md_len; | |
642 | if (count > ret) | |
643 | count = ret; | |
644 | memcpy(buf, s->s3->tmp.finish_md, count); | |
645 | } | |
646 | return ret; | |
647 | } | |
648 | ||
649 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
0821bcd4 | 650 | size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) |
ca03109c BM |
651 | { |
652 | size_t ret = 0; | |
653 | ||
654 | if (s->s3 != NULL) | |
655 | { | |
656 | ret = s->s3->tmp.peer_finish_md_len; | |
657 | if (count > ret) | |
658 | count = ret; | |
659 | memcpy(buf, s->s3->tmp.peer_finish_md, count); | |
660 | } | |
661 | return ret; | |
662 | } | |
663 | ||
664 | ||
0821bcd4 | 665 | int SSL_get_verify_mode(const SSL *s) |
d02b48c6 RE |
666 | { |
667 | return(s->verify_mode); | |
668 | } | |
669 | ||
0821bcd4 | 670 | int SSL_get_verify_depth(const SSL *s) |
7f89714e | 671 | { |
5d7c222d | 672 | return X509_VERIFY_PARAM_get_depth(s->param); |
7f89714e BM |
673 | } |
674 | ||
0821bcd4 | 675 | int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *) |
d02b48c6 RE |
676 | { |
677 | return(s->verify_callback); | |
678 | } | |
679 | ||
0821bcd4 | 680 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) |
d02b48c6 | 681 | { |
413c4f45 | 682 | return(ctx->verify_mode); |
d02b48c6 RE |
683 | } |
684 | ||
0821bcd4 | 685 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) |
7f89714e | 686 | { |
5d7c222d | 687 | return X509_VERIFY_PARAM_get_depth(ctx->param); |
7f89714e BM |
688 | } |
689 | ||
0821bcd4 | 690 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *) |
d02b48c6 RE |
691 | { |
692 | return(ctx->default_verify_callback); | |
693 | } | |
694 | ||
49bc2624 BL |
695 | void SSL_set_verify(SSL *s,int mode, |
696 | int (*callback)(int ok,X509_STORE_CTX *ctx)) | |
d02b48c6 RE |
697 | { |
698 | s->verify_mode=mode; | |
699 | if (callback != NULL) | |
700 | s->verify_callback=callback; | |
701 | } | |
702 | ||
7f89714e BM |
703 | void SSL_set_verify_depth(SSL *s,int depth) |
704 | { | |
5d7c222d | 705 | X509_VERIFY_PARAM_set_depth(s->param, depth); |
7f89714e BM |
706 | } |
707 | ||
4f43d0e7 | 708 | void SSL_set_read_ahead(SSL *s,int yes) |
d02b48c6 RE |
709 | { |
710 | s->read_ahead=yes; | |
711 | } | |
712 | ||
0821bcd4 | 713 | int SSL_get_read_ahead(const SSL *s) |
d02b48c6 RE |
714 | { |
715 | return(s->read_ahead); | |
716 | } | |
717 | ||
0821bcd4 | 718 | int SSL_pending(const SSL *s) |
d02b48c6 | 719 | { |
24b44446 BM |
720 | /* SSL_pending cannot work properly if read-ahead is enabled |
721 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), | |
722 | * and it is impossible to fix since SSL_pending cannot report | |
723 | * errors that may be observed while scanning the new data. | |
724 | * (Note that SSL_pending() is often used as a boolean value, | |
725 | * so we'd better not return -1.) | |
726 | */ | |
d02b48c6 RE |
727 | return(s->method->ssl_pending(s)); |
728 | } | |
729 | ||
0821bcd4 | 730 | X509 *SSL_get_peer_certificate(const SSL *s) |
d02b48c6 RE |
731 | { |
732 | X509 *r; | |
733 | ||
734 | if ((s == NULL) || (s->session == NULL)) | |
735 | r=NULL; | |
736 | else | |
737 | r=s->session->peer; | |
738 | ||
739 | if (r == NULL) return(r); | |
740 | ||
741 | CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509); | |
742 | ||
743 | return(r); | |
744 | } | |
745 | ||
0821bcd4 | 746 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) |
d02b48c6 | 747 | { |
f73e07cf | 748 | STACK_OF(X509) *r; |
d02b48c6 | 749 | |
9d5cceac | 750 | if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL)) |
d02b48c6 RE |
751 | r=NULL; |
752 | else | |
9d5cceac | 753 | r=s->session->sess_cert->cert_chain; |
d02b48c6 | 754 | |
98e04f9e BM |
755 | /* If we are a client, cert_chain includes the peer's own |
756 | * certificate; if we are a server, it does not. */ | |
757 | ||
d02b48c6 RE |
758 | return(r); |
759 | } | |
760 | ||
761 | /* Now in theory, since the calling process own 't' it should be safe to | |
762 | * modify. We need to be able to read f without being hassled */ | |
0821bcd4 | 763 | void SSL_copy_session_id(SSL *t,const SSL *f) |
d02b48c6 RE |
764 | { |
765 | CERT *tmp; | |
766 | ||
767 | /* Do we need to to SSL locking? */ | |
768 | SSL_set_session(t,SSL_get_session(f)); | |
769 | ||
770 | /* what if we are setup as SSLv2 but want to talk SSLv3 or | |
771 | * vice-versa */ | |
772 | if (t->method != f->method) | |
773 | { | |
774 | t->method->ssl_free(t); /* cleanup current */ | |
775 | t->method=f->method; /* change method */ | |
776 | t->method->ssl_new(t); /* setup new */ | |
777 | } | |
778 | ||
779 | tmp=t->cert; | |
780 | if (f->cert != NULL) | |
781 | { | |
782 | CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT); | |
783 | t->cert=f->cert; | |
784 | } | |
785 | else | |
786 | t->cert=NULL; | |
787 | if (tmp != NULL) ssl_cert_free(tmp); | |
b4cadc6e | 788 | SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length); |
d02b48c6 RE |
789 | } |
790 | ||
58964a49 | 791 | /* Fix this so it checks all the valid key/cert options */ |
0821bcd4 | 792 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) |
d02b48c6 RE |
793 | { |
794 | if ( (ctx == NULL) || | |
ca8e5b9b BM |
795 | (ctx->cert == NULL) || |
796 | (ctx->cert->key->x509 == NULL)) | |
d02b48c6 RE |
797 | { |
798 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
799 | return(0); | |
800 | } | |
ca8e5b9b | 801 | if (ctx->cert->key->privatekey == NULL) |
d02b48c6 RE |
802 | { |
803 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
804 | return(0); | |
805 | } | |
ca8e5b9b | 806 | return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey)); |
d02b48c6 RE |
807 | } |
808 | ||
58964a49 | 809 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 810 | int SSL_check_private_key(const SSL *ssl) |
d02b48c6 RE |
811 | { |
812 | if (ssl == NULL) | |
813 | { | |
814 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER); | |
815 | return(0); | |
816 | } | |
f3e67ac1 | 817 | if (ssl->cert == NULL) |
2b8e4959 BM |
818 | { |
819 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
f3e67ac1 | 820 | return 0; |
2b8e4959 | 821 | } |
d02b48c6 RE |
822 | if (ssl->cert->key->x509 == NULL) |
823 | { | |
824 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
825 | return(0); | |
826 | } | |
827 | if (ssl->cert->key->privatekey == NULL) | |
828 | { | |
829 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
830 | return(0); | |
831 | } | |
832 | return(X509_check_private_key(ssl->cert->key->x509, | |
833 | ssl->cert->key->privatekey)); | |
834 | } | |
835 | ||
4f43d0e7 | 836 | int SSL_accept(SSL *s) |
d02b48c6 | 837 | { |
b31b04d9 BM |
838 | if (s->handshake_func == 0) |
839 | /* Not properly initialized yet */ | |
840 | SSL_set_accept_state(s); | |
841 | ||
d02b48c6 RE |
842 | return(s->method->ssl_accept(s)); |
843 | } | |
844 | ||
4f43d0e7 | 845 | int SSL_connect(SSL *s) |
d02b48c6 | 846 | { |
b31b04d9 BM |
847 | if (s->handshake_func == 0) |
848 | /* Not properly initialized yet */ | |
849 | SSL_set_connect_state(s); | |
850 | ||
d02b48c6 RE |
851 | return(s->method->ssl_connect(s)); |
852 | } | |
853 | ||
0821bcd4 | 854 | long SSL_get_default_timeout(const SSL *s) |
d02b48c6 RE |
855 | { |
856 | return(s->method->get_timeout()); | |
857 | } | |
858 | ||
e34cfcf7 | 859 | int SSL_read(SSL *s,void *buf,int num) |
d02b48c6 | 860 | { |
b31b04d9 BM |
861 | if (s->handshake_func == 0) |
862 | { | |
ff712220 | 863 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
864 | return -1; |
865 | } | |
866 | ||
d02b48c6 RE |
867 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
868 | { | |
869 | s->rwstate=SSL_NOTHING; | |
870 | return(0); | |
871 | } | |
872 | return(s->method->ssl_read(s,buf,num)); | |
873 | } | |
874 | ||
e34cfcf7 | 875 | int SSL_peek(SSL *s,void *buf,int num) |
d02b48c6 | 876 | { |
5451e0d9 BM |
877 | if (s->handshake_func == 0) |
878 | { | |
aa4ce731 | 879 | SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED); |
5451e0d9 BM |
880 | return -1; |
881 | } | |
882 | ||
d02b48c6 RE |
883 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
884 | { | |
885 | return(0); | |
886 | } | |
887 | return(s->method->ssl_peek(s,buf,num)); | |
888 | } | |
889 | ||
e34cfcf7 | 890 | int SSL_write(SSL *s,const void *buf,int num) |
d02b48c6 | 891 | { |
b31b04d9 BM |
892 | if (s->handshake_func == 0) |
893 | { | |
ff712220 | 894 | SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
895 | return -1; |
896 | } | |
897 | ||
d02b48c6 RE |
898 | if (s->shutdown & SSL_SENT_SHUTDOWN) |
899 | { | |
900 | s->rwstate=SSL_NOTHING; | |
901 | SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN); | |
902 | return(-1); | |
903 | } | |
904 | return(s->method->ssl_write(s,buf,num)); | |
905 | } | |
906 | ||
4f43d0e7 | 907 | int SSL_shutdown(SSL *s) |
d02b48c6 | 908 | { |
d3407350 | 909 | /* Note that this function behaves differently from what one might |
e2e3d5ce BM |
910 | * expect. Return values are 0 for no success (yet), |
911 | * 1 for success; but calling it once is usually not enough, | |
912 | * even if blocking I/O is used (see ssl3_shutdown). | |
913 | */ | |
914 | ||
b31b04d9 BM |
915 | if (s->handshake_func == 0) |
916 | { | |
ff712220 | 917 | SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
918 | return -1; |
919 | } | |
920 | ||
d02b48c6 RE |
921 | if ((s != NULL) && !SSL_in_init(s)) |
922 | return(s->method->ssl_shutdown(s)); | |
923 | else | |
924 | return(1); | |
925 | } | |
926 | ||
4f43d0e7 | 927 | int SSL_renegotiate(SSL *s) |
d02b48c6 | 928 | { |
8c74b5e5 BM |
929 | if (s->new_session == 0) |
930 | { | |
931 | s->new_session=1; | |
932 | } | |
d02b48c6 RE |
933 | return(s->method->ssl_renegotiate(s)); |
934 | } | |
935 | ||
6b0e9fac BM |
936 | int SSL_renegotiate_pending(SSL *s) |
937 | { | |
938 | /* becomes true when negotiation is requested; | |
939 | * false again once a handshake has finished */ | |
940 | return (s->new_session != 0); | |
941 | } | |
942 | ||
a661b653 | 943 | long SSL_ctrl(SSL *s,int cmd,long larg,void *parg) |
d02b48c6 | 944 | { |
413c4f45 MC |
945 | long l; |
946 | ||
947 | switch (cmd) | |
948 | { | |
949 | case SSL_CTRL_GET_READ_AHEAD: | |
950 | return(s->read_ahead); | |
951 | case SSL_CTRL_SET_READ_AHEAD: | |
952 | l=s->read_ahead; | |
953 | s->read_ahead=larg; | |
954 | return(l); | |
bf21446a BM |
955 | |
956 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
957 | s->msg_callback_arg = parg; | |
958 | return 1; | |
959 | ||
413c4f45 MC |
960 | case SSL_CTRL_OPTIONS: |
961 | return(s->options|=larg); | |
e1056435 BM |
962 | case SSL_CTRL_MODE: |
963 | return(s->mode|=larg); | |
c0f5dd07 LJ |
964 | case SSL_CTRL_GET_MAX_CERT_LIST: |
965 | return(s->max_cert_list); | |
966 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
967 | l=s->max_cert_list; | |
968 | s->max_cert_list=larg; | |
969 | return(l); | |
36d16f8e BL |
970 | case SSL_CTRL_SET_MTU: |
971 | if (SSL_version(s) == DTLS1_VERSION) | |
972 | { | |
973 | s->d1->mtu = larg; | |
974 | return larg; | |
975 | } | |
976 | return 0; | |
566dda07 DSH |
977 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
978 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
979 | return 0; | |
980 | s->max_send_fragment = larg; | |
981 | return 1; | |
413c4f45 MC |
982 | default: |
983 | return(s->method->ssl_ctrl(s,cmd,larg,parg)); | |
984 | } | |
d02b48c6 RE |
985 | } |
986 | ||
41a15c4f | 987 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) |
d3442bc7 RL |
988 | { |
989 | switch(cmd) | |
990 | { | |
bf21446a | 991 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 992 | 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 |
993 | return 1; |
994 | ||
d3442bc7 RL |
995 | default: |
996 | return(s->method->ssl_callback_ctrl(s,cmd,fp)); | |
997 | } | |
998 | } | |
999 | ||
1e7396be RL |
1000 | struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx) |
1001 | { | |
1002 | return ctx->sessions; | |
1003 | } | |
1004 | ||
a661b653 | 1005 | long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg) |
d02b48c6 | 1006 | { |
413c4f45 MC |
1007 | long l; |
1008 | ||
1009 | switch (cmd) | |
1010 | { | |
1011 | case SSL_CTRL_GET_READ_AHEAD: | |
1012 | return(ctx->read_ahead); | |
1013 | case SSL_CTRL_SET_READ_AHEAD: | |
1014 | l=ctx->read_ahead; | |
1015 | ctx->read_ahead=larg; | |
1016 | return(l); | |
bf21446a BM |
1017 | |
1018 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
1019 | ctx->msg_callback_arg = parg; | |
1020 | return 1; | |
1021 | ||
c0f5dd07 LJ |
1022 | case SSL_CTRL_GET_MAX_CERT_LIST: |
1023 | return(ctx->max_cert_list); | |
1024 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
1025 | l=ctx->max_cert_list; | |
1026 | ctx->max_cert_list=larg; | |
1027 | return(l); | |
413c4f45 MC |
1028 | |
1029 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
1030 | l=ctx->session_cache_size; | |
1031 | ctx->session_cache_size=larg; | |
1032 | return(l); | |
1033 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
1034 | return(ctx->session_cache_size); | |
1035 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
1036 | l=ctx->session_cache_mode; | |
1037 | ctx->session_cache_mode=larg; | |
1038 | return(l); | |
1039 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
1040 | return(ctx->session_cache_mode); | |
1041 | ||
1042 | case SSL_CTRL_SESS_NUMBER: | |
1043 | return(ctx->sessions->num_items); | |
1044 | case SSL_CTRL_SESS_CONNECT: | |
1045 | return(ctx->stats.sess_connect); | |
1046 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
1047 | return(ctx->stats.sess_connect_good); | |
1048 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
1049 | return(ctx->stats.sess_connect_renegotiate); | |
1050 | case SSL_CTRL_SESS_ACCEPT: | |
1051 | return(ctx->stats.sess_accept); | |
1052 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
1053 | return(ctx->stats.sess_accept_good); | |
1054 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
1055 | return(ctx->stats.sess_accept_renegotiate); | |
1056 | case SSL_CTRL_SESS_HIT: | |
1057 | return(ctx->stats.sess_hit); | |
1058 | case SSL_CTRL_SESS_CB_HIT: | |
1059 | return(ctx->stats.sess_cb_hit); | |
1060 | case SSL_CTRL_SESS_MISSES: | |
1061 | return(ctx->stats.sess_miss); | |
1062 | case SSL_CTRL_SESS_TIMEOUTS: | |
1063 | return(ctx->stats.sess_timeout); | |
1064 | case SSL_CTRL_SESS_CACHE_FULL: | |
1065 | return(ctx->stats.sess_cache_full); | |
1066 | case SSL_CTRL_OPTIONS: | |
1067 | return(ctx->options|=larg); | |
e1056435 BM |
1068 | case SSL_CTRL_MODE: |
1069 | return(ctx->mode|=larg); | |
566dda07 DSH |
1070 | case SSL_CTRL_SET_MAX_SEND_FRAGMENT: |
1071 | if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) | |
1072 | return 0; | |
1073 | ctx->max_send_fragment = larg; | |
1074 | return 1; | |
413c4f45 MC |
1075 | default: |
1076 | return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg)); | |
1077 | } | |
d02b48c6 RE |
1078 | } |
1079 | ||
41a15c4f | 1080 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) |
d3442bc7 RL |
1081 | { |
1082 | switch(cmd) | |
1083 | { | |
bf21446a | 1084 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 1085 | 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 |
1086 | return 1; |
1087 | ||
d3442bc7 RL |
1088 | default: |
1089 | return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp)); | |
1090 | } | |
1091 | } | |
1092 | ||
ccd86b68 | 1093 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
d02b48c6 RE |
1094 | { |
1095 | long l; | |
1096 | ||
1097 | l=a->id-b->id; | |
1098 | if (l == 0L) | |
1099 | return(0); | |
1100 | else | |
1101 | return((l > 0)?1:-1); | |
1102 | } | |
1103 | ||
ccd86b68 GT |
1104 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, |
1105 | const SSL_CIPHER * const *bp) | |
d02b48c6 RE |
1106 | { |
1107 | long l; | |
1108 | ||
1109 | l=(*ap)->id-(*bp)->id; | |
1110 | if (l == 0L) | |
1111 | return(0); | |
1112 | else | |
1113 | return((l > 0)?1:-1); | |
1114 | } | |
1115 | ||
4f43d0e7 | 1116 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1117 | * preference */ |
0821bcd4 | 1118 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) |
d02b48c6 | 1119 | { |
28b958f7 | 1120 | if (s != NULL) |
d02b48c6 | 1121 | { |
28b958f7 RL |
1122 | if (s->cipher_list != NULL) |
1123 | { | |
1124 | return(s->cipher_list); | |
1125 | } | |
1126 | else if ((s->ctx != NULL) && | |
1127 | (s->ctx->cipher_list != NULL)) | |
1128 | { | |
1129 | return(s->ctx->cipher_list); | |
1130 | } | |
d02b48c6 RE |
1131 | } |
1132 | return(NULL); | |
1133 | } | |
1134 | ||
4f43d0e7 | 1135 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1136 | * algorithm id */ |
f73e07cf | 1137 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
d02b48c6 | 1138 | { |
28b958f7 | 1139 | if (s != NULL) |
d02b48c6 | 1140 | { |
28b958f7 RL |
1141 | if (s->cipher_list_by_id != NULL) |
1142 | { | |
1143 | return(s->cipher_list_by_id); | |
1144 | } | |
1145 | else if ((s->ctx != NULL) && | |
1146 | (s->ctx->cipher_list_by_id != NULL)) | |
1147 | { | |
1148 | return(s->ctx->cipher_list_by_id); | |
1149 | } | |
d02b48c6 RE |
1150 | } |
1151 | return(NULL); | |
1152 | } | |
1153 | ||
4f43d0e7 | 1154 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
0821bcd4 | 1155 | const char *SSL_get_cipher_list(const SSL *s,int n) |
d02b48c6 RE |
1156 | { |
1157 | SSL_CIPHER *c; | |
f73e07cf | 1158 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1159 | |
1160 | if (s == NULL) return(NULL); | |
1161 | sk=SSL_get_ciphers(s); | |
f73e07cf | 1162 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) |
d02b48c6 | 1163 | return(NULL); |
f73e07cf | 1164 | c=sk_SSL_CIPHER_value(sk,n); |
d02b48c6 RE |
1165 | if (c == NULL) return(NULL); |
1166 | return(c->name); | |
1167 | } | |
1168 | ||
25f923dd | 1169 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 1170 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
d02b48c6 | 1171 | { |
f73e07cf | 1172 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1173 | |
1174 | sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list, | |
1175 | &ctx->cipher_list_by_id,str); | |
f0747cd9 NL |
1176 | /* ssl_create_cipher_list may return an empty stack if it |
1177 | * was unable to find a cipher matching the given rule string | |
1178 | * (for example if the rule string specifies a cipher which | |
1179 | * has been disabled). This is not an error as far as | |
1180 | * ssl_create_cipher_list is concerned, and hence | |
1181 | * ctx->cipher_list and ctx->cipher_list_by_id has been | |
1182 | * updated. */ | |
1183 | if (sk == NULL) | |
1184 | return 0; | |
1185 | else if (sk_SSL_CIPHER_num(sk) == 0) | |
1186 | { | |
1187 | SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1188 | return 0; | |
1189 | } | |
1190 | return 1; | |
d02b48c6 RE |
1191 | } |
1192 | ||
4f43d0e7 | 1193 | /** specify the ciphers to be used by the SSL */ |
018e57c7 | 1194 | int SSL_set_cipher_list(SSL *s,const char *str) |
d02b48c6 | 1195 | { |
f73e07cf | 1196 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1197 | |
1198 | sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list, | |
1199 | &s->cipher_list_by_id,str); | |
f0747cd9 NL |
1200 | /* see comment in SSL_CTX_set_cipher_list */ |
1201 | if (sk == NULL) | |
1202 | return 0; | |
1203 | else if (sk_SSL_CIPHER_num(sk) == 0) | |
1204 | { | |
1205 | SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); | |
1206 | return 0; | |
1207 | } | |
1208 | return 1; | |
d02b48c6 RE |
1209 | } |
1210 | ||
1211 | /* works well for SSLv2, not so good for SSLv3 */ | |
0821bcd4 | 1212 | char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len) |
d02b48c6 | 1213 | { |
e778802f BL |
1214 | char *p; |
1215 | const char *cp; | |
f73e07cf | 1216 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1217 | SSL_CIPHER *c; |
1218 | int i; | |
1219 | ||
1220 | if ((s->session == NULL) || (s->session->ciphers == NULL) || | |
1221 | (len < 2)) | |
1222 | return(NULL); | |
1223 | ||
1224 | p=buf; | |
1225 | sk=s->session->ciphers; | |
f73e07cf | 1226 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1227 | { |
58964a49 RE |
1228 | /* Decrement for either the ':' or a '\0' */ |
1229 | len--; | |
f73e07cf | 1230 | c=sk_SSL_CIPHER_value(sk,i); |
d02b48c6 RE |
1231 | for (cp=c->name; *cp; ) |
1232 | { | |
58964a49 | 1233 | if (len-- == 0) |
d02b48c6 RE |
1234 | { |
1235 | *p='\0'; | |
1236 | return(buf); | |
1237 | } | |
1238 | else | |
1239 | *(p++)= *(cp++); | |
1240 | } | |
1241 | *(p++)=':'; | |
1242 | } | |
1243 | p[-1]='\0'; | |
1244 | return(buf); | |
1245 | } | |
1246 | ||
c6c2e313 BM |
1247 | int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, |
1248 | int (*put_cb)(const SSL_CIPHER *, unsigned char *)) | |
d02b48c6 RE |
1249 | { |
1250 | int i,j=0; | |
1251 | SSL_CIPHER *c; | |
1252 | unsigned char *q; | |
a5224c34 RL |
1253 | #ifndef OPENSSL_NO_KRB5 |
1254 | int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx); | |
1255 | #endif /* OPENSSL_NO_KRB5 */ | |
d02b48c6 RE |
1256 | |
1257 | if (sk == NULL) return(0); | |
1258 | q=p; | |
1259 | ||
f73e07cf | 1260 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1261 | { |
f73e07cf | 1262 | c=sk_SSL_CIPHER_value(sk,i); |
a5224c34 RL |
1263 | #ifndef OPENSSL_NO_KRB5 |
1264 | if ((c->algorithms & SSL_KRB5) && nokrb5) | |
1265 | continue; | |
1266 | #endif /* OPENSSL_NO_KRB5 */ | |
c6c2e313 BM |
1267 | |
1268 | j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p); | |
d02b48c6 RE |
1269 | p+=j; |
1270 | } | |
1271 | return(p-q); | |
1272 | } | |
1273 | ||
f73e07cf BL |
1274 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, |
1275 | STACK_OF(SSL_CIPHER) **skp) | |
d02b48c6 RE |
1276 | { |
1277 | SSL_CIPHER *c; | |
f73e07cf | 1278 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1279 | int i,n; |
1280 | ||
1281 | n=ssl_put_cipher_by_char(s,NULL,NULL); | |
1282 | if ((num%n) != 0) | |
1283 | { | |
1284 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); | |
1285 | return(NULL); | |
1286 | } | |
1287 | if ((skp == NULL) || (*skp == NULL)) | |
62324627 | 1288 | sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */ |
d02b48c6 RE |
1289 | else |
1290 | { | |
1291 | sk= *skp; | |
f73e07cf | 1292 | sk_SSL_CIPHER_zero(sk); |
d02b48c6 RE |
1293 | } |
1294 | ||
1295 | for (i=0; i<num; i+=n) | |
1296 | { | |
1297 | c=ssl_get_cipher_by_char(s,p); | |
1298 | p+=n; | |
1299 | if (c != NULL) | |
1300 | { | |
f73e07cf | 1301 | if (!sk_SSL_CIPHER_push(sk,c)) |
d02b48c6 RE |
1302 | { |
1303 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE); | |
1304 | goto err; | |
1305 | } | |
1306 | } | |
1307 | } | |
1308 | ||
1309 | if (skp != NULL) | |
1310 | *skp=sk; | |
1311 | return(sk); | |
1312 | err: | |
1313 | if ((skp == NULL) || (*skp == NULL)) | |
f73e07cf | 1314 | sk_SSL_CIPHER_free(sk); |
d02b48c6 RE |
1315 | return(NULL); |
1316 | } | |
1317 | ||
f1fd4544 | 1318 | |
ed3883d2 | 1319 | #ifndef OPENSSL_TLSEXT |
f1fd4544 BM |
1320 | /** return a servername extension value if provided in Client Hello, or NULL. |
1321 | * So far, only host_name types are defined (RFC 3546). | |
ed3883d2 BM |
1322 | */ |
1323 | ||
f1fd4544 BM |
1324 | const char *SSL_get_servername(const SSL *s, const int type) |
1325 | { | |
1326 | if (type != TLSEXT_NAMETYPE_host_name) | |
ed3883d2 | 1327 | return NULL; |
f1fd4544 BM |
1328 | /* XXX cf. SSL_CTRL_GET_TLSEXT_HOSTNAME case in ssl3_ctrl (s3_lib.c) */ |
1329 | return s->session /*&&s->session->tlsext_hostname*/ ? | |
1330 | s->session->tlsext_hostname : | |
1331 | s->tlsext_hostname; | |
1332 | } | |
ed3883d2 | 1333 | |
f1fd4544 BM |
1334 | int SSL_get_servername_type(const SSL *s) |
1335 | { | |
1336 | if (s->session &&s->session->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname) | |
1337 | return TLSEXT_NAMETYPE_host_name; | |
ed3883d2 | 1338 | return -1; |
f1fd4544 | 1339 | } |
ed3883d2 | 1340 | #endif |
f1fd4544 | 1341 | |
0821bcd4 | 1342 | unsigned long SSL_SESSION_hash(const SSL_SESSION *a) |
d02b48c6 RE |
1343 | { |
1344 | unsigned long l; | |
1345 | ||
dfeab068 RE |
1346 | l=(unsigned long) |
1347 | ((unsigned int) a->session_id[0] )| | |
1348 | ((unsigned int) a->session_id[1]<< 8L)| | |
1349 | ((unsigned long)a->session_id[2]<<16L)| | |
1350 | ((unsigned long)a->session_id[3]<<24L); | |
d02b48c6 RE |
1351 | return(l); |
1352 | } | |
1353 | ||
dc644fe2 GT |
1354 | /* NB: If this function (or indeed the hash function which uses a sort of |
1355 | * coarser function than this one) is changed, ensure | |
1356 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being | |
1357 | * able to construct an SSL_SESSION that will collide with any existing session | |
1358 | * with a matching session ID. */ | |
0821bcd4 | 1359 | int SSL_SESSION_cmp(const SSL_SESSION *a,const SSL_SESSION *b) |
d02b48c6 | 1360 | { |
58964a49 RE |
1361 | if (a->ssl_version != b->ssl_version) |
1362 | return(1); | |
1363 | if (a->session_id_length != b->session_id_length) | |
1364 | return(1); | |
1365 | return(memcmp(a->session_id,b->session_id,a->session_id_length)); | |
d02b48c6 RE |
1366 | } |
1367 | ||
d0fa136c GT |
1368 | /* These wrapper functions should remain rather than redeclaring |
1369 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each | |
1370 | * variable. The reason is that the functions aren't static, they're exposed via | |
1371 | * ssl.h. */ | |
97b17195 GT |
1372 | static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *) |
1373 | static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *) | |
1374 | ||
4ebb342f | 1375 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) |
d02b48c6 | 1376 | { |
dfeab068 | 1377 | SSL_CTX *ret=NULL; |
d02b48c6 RE |
1378 | |
1379 | if (meth == NULL) | |
1380 | { | |
1381 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED); | |
1382 | return(NULL); | |
1383 | } | |
dfeab068 RE |
1384 | |
1385 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) | |
1386 | { | |
1387 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
1388 | goto err; | |
1389 | } | |
26a3a48d | 1390 | ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX)); |
d02b48c6 RE |
1391 | if (ret == NULL) |
1392 | goto err; | |
1393 | ||
1394 | memset(ret,0,sizeof(SSL_CTX)); | |
1395 | ||
1396 | ret->method=meth; | |
1397 | ||
1398 | ret->cert_store=NULL; | |
1399 | ret->session_cache_mode=SSL_SESS_CACHE_SERVER; | |
58964a49 RE |
1400 | ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
1401 | ret->session_cache_head=NULL; | |
1402 | ret->session_cache_tail=NULL; | |
d02b48c6 RE |
1403 | |
1404 | /* We take the system default */ | |
1405 | ret->session_timeout=meth->get_timeout(); | |
1406 | ||
bf21446a BM |
1407 | ret->new_session_cb=0; |
1408 | ret->remove_session_cb=0; | |
1409 | ret->get_session_cb=0; | |
1410 | ret->generate_session_id=0; | |
d02b48c6 | 1411 | |
413c4f45 | 1412 | memset((char *)&ret->stats,0,sizeof(ret->stats)); |
d02b48c6 RE |
1413 | |
1414 | ret->references=1; | |
1415 | ret->quiet_shutdown=0; | |
1416 | ||
1417 | /* ret->cipher=NULL;*/ | |
1418 | /* ret->s2->challenge=NULL; | |
1419 | ret->master_key=NULL; | |
1420 | ret->key_arg=NULL; | |
1421 | ret->s2->conn_id=NULL; */ | |
1422 | ||
45d87a1f | 1423 | ret->info_callback=NULL; |
d02b48c6 | 1424 | |
bf21446a | 1425 | ret->app_verify_callback=0; |
d02b48c6 RE |
1426 | ret->app_verify_arg=NULL; |
1427 | ||
c0f5dd07 | 1428 | ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT; |
413c4f45 | 1429 | ret->read_ahead=0; |
bf21446a BM |
1430 | ret->msg_callback=0; |
1431 | ret->msg_callback_arg=NULL; | |
413c4f45 | 1432 | ret->verify_mode=SSL_VERIFY_NONE; |
5d7c222d | 1433 | #if 0 |
7f89714e | 1434 | ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */ |
5d7c222d | 1435 | #endif |
bf21446a | 1436 | ret->sid_ctx_length=0; |
d02b48c6 | 1437 | ret->default_verify_callback=NULL; |
ca8e5b9b | 1438 | if ((ret->cert=ssl_cert_new()) == NULL) |
d02b48c6 RE |
1439 | goto err; |
1440 | ||
bf21446a | 1441 | ret->default_passwd_callback=0; |
74678cc2 | 1442 | ret->default_passwd_callback_userdata=NULL; |
bf21446a | 1443 | ret->client_cert_cb=0; |
f0747cd9 NL |
1444 | ret->app_gen_cookie_cb=0; |
1445 | ret->app_verify_cookie_cb=0; | |
d02b48c6 | 1446 | |
97b17195 GT |
1447 | ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash), |
1448 | LHASH_COMP_FN(SSL_SESSION_cmp)); | |
d02b48c6 RE |
1449 | if (ret->sessions == NULL) goto err; |
1450 | ret->cert_store=X509_STORE_new(); | |
1451 | if (ret->cert_store == NULL) goto err; | |
1452 | ||
1453 | ssl_create_cipher_list(ret->method, | |
1454 | &ret->cipher_list,&ret->cipher_list_by_id, | |
1455 | SSL_DEFAULT_CIPHER_LIST); | |
f73e07cf BL |
1456 | if (ret->cipher_list == NULL |
1457 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) | |
d02b48c6 RE |
1458 | { |
1459 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS); | |
1460 | goto err2; | |
1461 | } | |
1462 | ||
5d7c222d DSH |
1463 | ret->param = X509_VERIFY_PARAM_new(); |
1464 | if (!ret->param) | |
1465 | goto err; | |
1466 | ||
58964a49 RE |
1467 | if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL) |
1468 | { | |
1469 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES); | |
1470 | goto err2; | |
1471 | } | |
1472 | if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL) | |
1473 | { | |
1474 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
1475 | goto err2; | |
1476 | } | |
1477 | if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL) | |
1478 | { | |
1479 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
1480 | goto err2; | |
1481 | } | |
1482 | ||
f73e07cf | 1483 | if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL) |
d02b48c6 RE |
1484 | goto err; |
1485 | ||
79aa04ef | 1486 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data); |
58964a49 | 1487 | |
dfeab068 | 1488 | ret->extra_certs=NULL; |
413c4f45 | 1489 | ret->comp_methods=SSL_COMP_get_compression_methods(); |
dfeab068 | 1490 | |
566dda07 DSH |
1491 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
1492 | ||
ed3883d2 | 1493 | #ifndef OPENSSL_NO_TLSEXT |
f1fd4544 | 1494 | ret->tlsext_servername_callback = 0; |
ed3883d2 BM |
1495 | ret->tlsext_servername_arg = NULL; |
1496 | #endif | |
d02b48c6 RE |
1497 | return(ret); |
1498 | err: | |
1499 | SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE); | |
1500 | err2: | |
1501 | if (ret != NULL) SSL_CTX_free(ret); | |
1502 | return(NULL); | |
1503 | } | |
1504 | ||
0826c85f | 1505 | #if 0 |
f73e07cf | 1506 | static void SSL_COMP_free(SSL_COMP *comp) |
26a3a48d | 1507 | { OPENSSL_free(comp); } |
0826c85f | 1508 | #endif |
f73e07cf | 1509 | |
4f43d0e7 | 1510 | void SSL_CTX_free(SSL_CTX *a) |
d02b48c6 RE |
1511 | { |
1512 | int i; | |
1513 | ||
1514 | if (a == NULL) return; | |
1515 | ||
1516 | i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX); | |
58964a49 RE |
1517 | #ifdef REF_PRINT |
1518 | REF_PRINT("SSL_CTX",a); | |
1519 | #endif | |
d02b48c6 RE |
1520 | if (i > 0) return; |
1521 | #ifdef REF_CHECK | |
1522 | if (i < 0) | |
1523 | { | |
1524 | fprintf(stderr,"SSL_CTX_free, bad reference count\n"); | |
1525 | abort(); /* ok */ | |
1526 | } | |
1527 | #endif | |
1528 | ||
5d7c222d DSH |
1529 | if (a->param) |
1530 | X509_VERIFY_PARAM_free(a->param); | |
1531 | ||
82a20fb0 LJ |
1532 | /* |
1533 | * Free internal session cache. However: the remove_cb() may reference | |
1534 | * the ex_data of SSL_CTX, thus the ex_data store can only be removed | |
1535 | * after the sessions were flushed. | |
1536 | * As the ex_data handling routines might also touch the session cache, | |
1537 | * the most secure solution seems to be: empty (flush) the cache, then | |
1538 | * free ex_data, then finally free the cache. | |
1539 | * (See ticket [openssl.org #212].) | |
1540 | */ | |
d02b48c6 | 1541 | if (a->sessions != NULL) |
d02b48c6 | 1542 | SSL_CTX_flush_sessions(a,0); |
82a20fb0 LJ |
1543 | |
1544 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); | |
1545 | ||
1546 | if (a->sessions != NULL) | |
d02b48c6 | 1547 | lh_free(a->sessions); |
82a20fb0 | 1548 | |
d02b48c6 RE |
1549 | if (a->cert_store != NULL) |
1550 | X509_STORE_free(a->cert_store); | |
1551 | if (a->cipher_list != NULL) | |
f73e07cf | 1552 | sk_SSL_CIPHER_free(a->cipher_list); |
d02b48c6 | 1553 | if (a->cipher_list_by_id != NULL) |
f73e07cf | 1554 | sk_SSL_CIPHER_free(a->cipher_list_by_id); |
ca8e5b9b BM |
1555 | if (a->cert != NULL) |
1556 | ssl_cert_free(a->cert); | |
d02b48c6 | 1557 | if (a->client_CA != NULL) |
f73e07cf | 1558 | sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free); |
dfeab068 | 1559 | if (a->extra_certs != NULL) |
f73e07cf | 1560 | sk_X509_pop_free(a->extra_certs,X509_free); |
cd9b7d7c | 1561 | #if 0 /* This should never be done, since it removes a global database */ |
413c4f45 | 1562 | if (a->comp_methods != NULL) |
f73e07cf | 1563 | sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free); |
cd9b7d7c RL |
1564 | #else |
1565 | a->comp_methods = NULL; | |
1566 | #endif | |
26a3a48d | 1567 | OPENSSL_free(a); |
d02b48c6 RE |
1568 | } |
1569 | ||
3ae76679 | 1570 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
d02b48c6 RE |
1571 | { |
1572 | ctx->default_passwd_callback=cb; | |
1573 | } | |
1574 | ||
74678cc2 BM |
1575 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u) |
1576 | { | |
1577 | ctx->default_passwd_callback_userdata=u; | |
1578 | } | |
1579 | ||
023ec151 | 1580 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg) |
d02b48c6 RE |
1581 | { |
1582 | ctx->app_verify_callback=cb; | |
023ec151 | 1583 | ctx->app_verify_arg=arg; |
d02b48c6 RE |
1584 | } |
1585 | ||
4f43d0e7 | 1586 | void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *)) |
d02b48c6 | 1587 | { |
413c4f45 | 1588 | ctx->verify_mode=mode; |
d02b48c6 | 1589 | ctx->default_verify_callback=cb; |
d02b48c6 RE |
1590 | } |
1591 | ||
7f89714e BM |
1592 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth) |
1593 | { | |
5d7c222d | 1594 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); |
7f89714e BM |
1595 | } |
1596 | ||
ca8e5b9b | 1597 | void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher) |
d02b48c6 RE |
1598 | { |
1599 | CERT_PKEY *cpk; | |
1600 | int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign; | |
1601 | int rsa_enc_export,dh_rsa_export,dh_dsa_export; | |
60e31c3a | 1602 | int rsa_tmp_export,dh_tmp_export,kl; |
d02b48c6 | 1603 | unsigned long mask,emask; |
3eeaab4b NL |
1604 | int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size; |
1605 | #ifndef OPENSSL_NO_ECDH | |
1606 | int have_ecdh_tmp; | |
1607 | #endif | |
ea262260 BM |
1608 | X509 *x = NULL; |
1609 | EVP_PKEY *ecc_pkey = NULL; | |
1610 | int signature_nid = 0; | |
d02b48c6 | 1611 | |
f415fa32 | 1612 | if (c == NULL) return; |
d02b48c6 | 1613 | |
60e31c3a BL |
1614 | kl=SSL_C_EXPORT_PKEYLENGTH(cipher); |
1615 | ||
bc36ee62 | 1616 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
1617 | rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); |
1618 | rsa_tmp_export=(c->rsa_tmp_cb != NULL || | |
60e31c3a | 1619 | (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl)); |
d02b48c6 RE |
1620 | #else |
1621 | rsa_tmp=rsa_tmp_export=0; | |
1622 | #endif | |
bc36ee62 | 1623 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
1624 | dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL); |
1625 | dh_tmp_export=(c->dh_tmp_cb != NULL || | |
60e31c3a | 1626 | (dh_tmp && DH_size(c->dh_tmp)*8 <= kl)); |
d02b48c6 RE |
1627 | #else |
1628 | dh_tmp=dh_tmp_export=0; | |
1629 | #endif | |
1630 | ||
ea262260 BM |
1631 | #ifndef OPENSSL_NO_ECDH |
1632 | have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL); | |
1633 | #endif | |
d02b48c6 | 1634 | cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]); |
60e31c3a BL |
1635 | rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1636 | rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 | 1637 | cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]); |
60e31c3a | 1638 | rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1639 | cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]); |
60e31c3a | 1640 | dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1641 | cpk= &(c->pkeys[SSL_PKEY_DH_RSA]); |
60e31c3a BL |
1642 | dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1643 | dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1644 | cpk= &(c->pkeys[SSL_PKEY_DH_DSA]); |
1645 | /* FIX THIS EAY EAY EAY */ | |
60e31c3a BL |
1646 | dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1647 | dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
ea262260 BM |
1648 | cpk= &(c->pkeys[SSL_PKEY_ECC]); |
1649 | have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL); | |
d02b48c6 RE |
1650 | mask=0; |
1651 | emask=0; | |
1652 | ||
1653 | #ifdef CIPHER_DEBUG | |
f415fa32 BL |
1654 | printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", |
1655 | rsa_tmp,rsa_tmp_export,dh_tmp, | |
1656 | rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa); | |
d02b48c6 RE |
1657 | #endif |
1658 | ||
1659 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
1660 | mask|=SSL_kRSA; | |
f415fa32 | 1661 | if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) |
d02b48c6 RE |
1662 | emask|=SSL_kRSA; |
1663 | ||
1664 | #if 0 | |
1665 | /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */ | |
1666 | if ( (dh_tmp || dh_rsa || dh_dsa) && | |
1667 | (rsa_enc || rsa_sign || dsa_sign)) | |
1668 | mask|=SSL_kEDH; | |
1669 | if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) && | |
1670 | (rsa_enc || rsa_sign || dsa_sign)) | |
1671 | emask|=SSL_kEDH; | |
1672 | #endif | |
1673 | ||
1674 | if (dh_tmp_export) | |
1675 | emask|=SSL_kEDH; | |
1676 | ||
1677 | if (dh_tmp) | |
1678 | mask|=SSL_kEDH; | |
1679 | ||
1680 | if (dh_rsa) mask|=SSL_kDHr; | |
1681 | if (dh_rsa_export) emask|=SSL_kDHr; | |
1682 | ||
1683 | if (dh_dsa) mask|=SSL_kDHd; | |
1684 | if (dh_dsa_export) emask|=SSL_kDHd; | |
1685 | ||
1686 | if (rsa_enc || rsa_sign) | |
1687 | { | |
1688 | mask|=SSL_aRSA; | |
c4d42351 | 1689 | emask|=SSL_aRSA; |
d02b48c6 RE |
1690 | } |
1691 | ||
1692 | if (dsa_sign) | |
1693 | { | |
1694 | mask|=SSL_aDSS; | |
1695 | emask|=SSL_aDSS; | |
1696 | } | |
1697 | ||
d02b48c6 RE |
1698 | mask|=SSL_aNULL; |
1699 | emask|=SSL_aNULL; | |
d02b48c6 | 1700 | |
bc36ee62 | 1701 | #ifndef OPENSSL_NO_KRB5 |
f9b3bff6 RL |
1702 | mask|=SSL_kKRB5|SSL_aKRB5; |
1703 | emask|=SSL_kKRB5|SSL_aKRB5; | |
1704 | #endif | |
1705 | ||
ea262260 BM |
1706 | /* An ECC certificate may be usable for ECDH and/or |
1707 | * ECDSA cipher suites depending on the key usage extension. | |
1708 | */ | |
1709 | if (have_ecc_cert) | |
1710 | { | |
1711 | /* This call populates extension flags (ex_flags) */ | |
1712 | x = (c->pkeys[SSL_PKEY_ECC]).x509; | |
1713 | X509_check_purpose(x, -1, 0); | |
1714 | ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ? | |
1715 | (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1; | |
1716 | ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ? | |
1717 | (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1; | |
1718 | ecc_pkey = X509_get_pubkey(x); | |
1719 | ecc_pkey_size = (ecc_pkey != NULL) ? | |
1720 | EVP_PKEY_bits(ecc_pkey) : 0; | |
1721 | EVP_PKEY_free(ecc_pkey); | |
1722 | if ((x->sig_alg) && (x->sig_alg->algorithm)) | |
1723 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
1724 | #ifndef OPENSSL_NO_ECDH | |
1725 | if (ecdh_ok) | |
1726 | { | |
1727 | if ((signature_nid == NID_md5WithRSAEncryption) || | |
1728 | (signature_nid == NID_md4WithRSAEncryption) || | |
1729 | (signature_nid == NID_md2WithRSAEncryption)) | |
1730 | { | |
1731 | mask|=SSL_kECDH|SSL_aRSA; | |
1732 | if (ecc_pkey_size <= 163) | |
1733 | emask|=SSL_kECDH|SSL_aRSA; | |
1734 | } | |
1735 | if (signature_nid == NID_ecdsa_with_SHA1) | |
1736 | { | |
1737 | mask|=SSL_kECDH|SSL_aECDSA; | |
1738 | if (ecc_pkey_size <= 163) | |
1739 | emask|=SSL_kECDH|SSL_aECDSA; | |
1740 | } | |
1741 | } | |
1742 | #endif | |
1743 | #ifndef OPENSSL_NO_ECDSA | |
1744 | if (ecdsa_ok) | |
1745 | { | |
1746 | mask|=SSL_aECDSA; | |
1747 | emask|=SSL_aECDSA; | |
1748 | } | |
1749 | #endif | |
1750 | } | |
1751 | ||
1752 | #ifndef OPENSSL_NO_ECDH | |
1753 | if (have_ecdh_tmp) | |
1754 | { | |
1755 | mask|=SSL_kECDHE; | |
1756 | emask|=SSL_kECDHE; | |
1757 | } | |
1758 | #endif | |
d02b48c6 RE |
1759 | c->mask=mask; |
1760 | c->export_mask=emask; | |
1761 | c->valid=1; | |
1762 | } | |
1763 | ||
ea262260 BM |
1764 | /* This handy macro borrowed from crypto/x509v3/v3_purp.c */ |
1765 | #define ku_reject(x, usage) \ | |
1766 | (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage))) | |
1767 | ||
1768 | int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs) | |
1769 | { | |
1770 | unsigned long alg = cs->algorithms; | |
1771 | EVP_PKEY *pkey = NULL; | |
1772 | int keysize = 0; | |
1773 | int signature_nid = 0; | |
1774 | ||
1775 | if (SSL_C_IS_EXPORT(cs)) | |
1776 | { | |
1777 | /* ECDH key length in export ciphers must be <= 163 bits */ | |
1778 | pkey = X509_get_pubkey(x); | |
1779 | if (pkey == NULL) return 0; | |
1780 | keysize = EVP_PKEY_bits(pkey); | |
1781 | EVP_PKEY_free(pkey); | |
1782 | if (keysize > 163) return 0; | |
1783 | } | |
1784 | ||
1785 | /* This call populates the ex_flags field correctly */ | |
1786 | X509_check_purpose(x, -1, 0); | |
1787 | if ((x->sig_alg) && (x->sig_alg->algorithm)) | |
1788 | signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); | |
1789 | if (alg & SSL_kECDH) | |
1790 | { | |
1791 | /* key usage, if present, must allow key agreement */ | |
1792 | if (ku_reject(x, X509v3_KU_KEY_AGREEMENT)) | |
1793 | { | |
ea262260 BM |
1794 | return 0; |
1795 | } | |
1796 | if (alg & SSL_aECDSA) | |
1797 | { | |
1798 | /* signature alg must be ECDSA */ | |
1799 | if (signature_nid != NID_ecdsa_with_SHA1) | |
1800 | { | |
ea262260 BM |
1801 | return 0; |
1802 | } | |
1803 | } | |
1804 | if (alg & SSL_aRSA) | |
1805 | { | |
1806 | /* signature alg must be RSA */ | |
1807 | if ((signature_nid != NID_md5WithRSAEncryption) && | |
1808 | (signature_nid != NID_md4WithRSAEncryption) && | |
1809 | (signature_nid != NID_md2WithRSAEncryption)) | |
1810 | { | |
ea262260 BM |
1811 | return 0; |
1812 | } | |
1813 | } | |
1814 | } | |
1815 | else if (alg & SSL_aECDSA) | |
1816 | { | |
1817 | /* key usage, if present, must allow signing */ | |
1818 | if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE)) | |
1819 | { | |
ea262260 BM |
1820 | return 0; |
1821 | } | |
1822 | } | |
1823 | ||
1824 | return 1; /* all checks are ok */ | |
1825 | } | |
1826 | ||
d02b48c6 | 1827 | /* THIS NEEDS CLEANING UP */ |
4f43d0e7 | 1828 | X509 *ssl_get_server_send_cert(SSL *s) |
d02b48c6 RE |
1829 | { |
1830 | unsigned long alg,mask,kalg; | |
1831 | CERT *c; | |
df63a389 | 1832 | int i,is_export; |
d02b48c6 RE |
1833 | |
1834 | c=s->cert; | |
ca8e5b9b | 1835 | ssl_set_cert_masks(c, s->s3->tmp.new_cipher); |
d02b48c6 | 1836 | alg=s->s3->tmp.new_cipher->algorithms; |
018e57c7 | 1837 | is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); |
df63a389 | 1838 | mask=is_export?c->export_mask:c->mask; |
d02b48c6 RE |
1839 | kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK); |
1840 | ||
ea262260 BM |
1841 | if (kalg & SSL_kECDH) |
1842 | { | |
1843 | /* we don't need to look at SSL_kECDHE | |
1844 | * since no certificate is needed for | |
1845 | * anon ECDH and for authenticated | |
1846 | * ECDHE, the check for the auth | |
1847 | * algorithm will set i correctly | |
1848 | * NOTE: For ECDH-RSA, we need an ECC | |
1849 | * not an RSA cert but for ECDHE-RSA | |
1850 | * we need an RSA cert. Placing the | |
1851 | * checks for SSL_kECDH before RSA | |
1852 | * checks ensures the correct cert is chosen. | |
1853 | */ | |
1854 | i=SSL_PKEY_ECC; | |
1855 | } | |
1856 | else if (kalg & SSL_aECDSA) | |
1857 | { | |
1858 | i=SSL_PKEY_ECC; | |
1859 | } | |
1860 | else if (kalg & SSL_kDHr) | |
d02b48c6 RE |
1861 | i=SSL_PKEY_DH_RSA; |
1862 | else if (kalg & SSL_kDHd) | |
1863 | i=SSL_PKEY_DH_DSA; | |
1864 | else if (kalg & SSL_aDSS) | |
1865 | i=SSL_PKEY_DSA_SIGN; | |
1866 | else if (kalg & SSL_aRSA) | |
1867 | { | |
1868 | if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL) | |
1869 | i=SSL_PKEY_RSA_SIGN; | |
1870 | else | |
1871 | i=SSL_PKEY_RSA_ENC; | |
1872 | } | |
f9b3bff6 RL |
1873 | else if (kalg & SSL_aKRB5) |
1874 | { | |
1875 | /* VRS something else here? */ | |
1876 | return(NULL); | |
1877 | } | |
d02b48c6 RE |
1878 | else /* if (kalg & SSL_aNULL) */ |
1879 | { | |
5277d7cb | 1880 | SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
1881 | return(NULL); |
1882 | } | |
1883 | if (c->pkeys[i].x509 == NULL) return(NULL); | |
ea262260 | 1884 | |
d02b48c6 RE |
1885 | return(c->pkeys[i].x509); |
1886 | } | |
1887 | ||
4f43d0e7 | 1888 | EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher) |
d02b48c6 RE |
1889 | { |
1890 | unsigned long alg; | |
1891 | CERT *c; | |
1892 | ||
1893 | alg=cipher->algorithms; | |
1894 | c=s->cert; | |
1895 | ||
1896 | if ((alg & SSL_aDSS) && | |
1897 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) | |
1898 | return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey); | |
1899 | else if (alg & SSL_aRSA) | |
1900 | { | |
1901 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
1902 | return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey); | |
1903 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
1904 | return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey); | |
1905 | else | |
1906 | return(NULL); | |
1907 | } | |
ea262260 BM |
1908 | else if ((alg & SSL_aECDSA) && |
1909 | (c->pkeys[SSL_PKEY_ECC].privatekey != NULL)) | |
1910 | return(c->pkeys[SSL_PKEY_ECC].privatekey); | |
d02b48c6 RE |
1911 | else /* if (alg & SSL_aNULL) */ |
1912 | { | |
5277d7cb | 1913 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
1914 | return(NULL); |
1915 | } | |
1916 | } | |
1917 | ||
4f43d0e7 | 1918 | void ssl_update_cache(SSL *s,int mode) |
d02b48c6 | 1919 | { |
58964a49 RE |
1920 | int i; |
1921 | ||
1922 | /* If the session_id_length is 0, we are not supposed to cache it, | |
1923 | * and it would be rather hard to do anyway :-) */ | |
1924 | if (s->session->session_id_length == 0) return; | |
1925 | ||
4de920c9 LJ |
1926 | i=s->ctx->session_cache_mode; |
1927 | if ((i & mode) && (!s->hit) | |
e0db2eed | 1928 | && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) |
4de920c9 | 1929 | || SSL_CTX_add_session(s->ctx,s->session)) |
d02b48c6 RE |
1930 | && (s->ctx->new_session_cb != NULL)) |
1931 | { | |
58964a49 | 1932 | CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION); |
d02b48c6 RE |
1933 | if (!s->ctx->new_session_cb(s,s->session)) |
1934 | SSL_SESSION_free(s->session); | |
1935 | } | |
1936 | ||
1937 | /* auto flush every 255 connections */ | |
58964a49 RE |
1938 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && |
1939 | ((i & mode) == mode)) | |
1940 | { | |
1941 | if ( (((mode & SSL_SESS_CACHE_CLIENT) | |
413c4f45 MC |
1942 | ?s->ctx->stats.sess_connect_good |
1943 | :s->ctx->stats.sess_accept_good) & 0xff) == 0xff) | |
58964a49 | 1944 | { |
7bbcb2f6 | 1945 | SSL_CTX_flush_sessions(s->ctx,(unsigned long)time(NULL)); |
58964a49 RE |
1946 | } |
1947 | } | |
d02b48c6 RE |
1948 | } |
1949 | ||
4ebb342f | 1950 | const SSL_METHOD *SSL_get_ssl_method(SSL *s) |
d02b48c6 RE |
1951 | { |
1952 | return(s->method); | |
1953 | } | |
1954 | ||
4ebb342f | 1955 | int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) |
d02b48c6 RE |
1956 | { |
1957 | int conn= -1; | |
1958 | int ret=1; | |
1959 | ||
1960 | if (s->method != meth) | |
1961 | { | |
1962 | if (s->handshake_func != NULL) | |
1963 | conn=(s->handshake_func == s->method->ssl_connect); | |
1964 | ||
1965 | if (s->method->version == meth->version) | |
1966 | s->method=meth; | |
1967 | else | |
1968 | { | |
1969 | s->method->ssl_free(s); | |
1970 | s->method=meth; | |
1971 | ret=s->method->ssl_new(s); | |
1972 | } | |
1973 | ||
1974 | if (conn == 1) | |
1975 | s->handshake_func=meth->ssl_connect; | |
1976 | else if (conn == 0) | |
1977 | s->handshake_func=meth->ssl_accept; | |
1978 | } | |
1979 | return(ret); | |
1980 | } | |
1981 | ||
0821bcd4 | 1982 | int SSL_get_error(const SSL *s,int i) |
d02b48c6 RE |
1983 | { |
1984 | int reason; | |
413c4f45 | 1985 | unsigned long l; |
d02b48c6 RE |
1986 | BIO *bio; |
1987 | ||
1988 | if (i > 0) return(SSL_ERROR_NONE); | |
1989 | ||
413c4f45 MC |
1990 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake |
1991 | * etc, where we do encode the error */ | |
1992 | if ((l=ERR_peek_error()) != 0) | |
1993 | { | |
1994 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
1995 | return(SSL_ERROR_SYSCALL); | |
1996 | else | |
1997 | return(SSL_ERROR_SSL); | |
1998 | } | |
d02b48c6 RE |
1999 | |
2000 | if ((i < 0) && SSL_want_read(s)) | |
2001 | { | |
2002 | bio=SSL_get_rbio(s); | |
2003 | if (BIO_should_read(bio)) | |
2004 | return(SSL_ERROR_WANT_READ); | |
2005 | else if (BIO_should_write(bio)) | |
3a66e306 BM |
2006 | /* This one doesn't make too much sense ... We never try |
2007 | * to write to the rbio, and an application program where | |
2008 | * rbio and wbio are separate couldn't even know what it | |
2009 | * should wait for. | |
2010 | * However if we ever set s->rwstate incorrectly | |
2011 | * (so that we have SSL_want_read(s) instead of | |
2012 | * SSL_want_write(s)) and rbio and wbio *are* the same, | |
2013 | * this test works around that bug; so it might be safer | |
2014 | * to keep it. */ | |
d02b48c6 RE |
2015 | return(SSL_ERROR_WANT_WRITE); |
2016 | else if (BIO_should_io_special(bio)) | |
2017 | { | |
2018 | reason=BIO_get_retry_reason(bio); | |
2019 | if (reason == BIO_RR_CONNECT) | |
2020 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
2021 | else if (reason == BIO_RR_ACCEPT) |
2022 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
2023 | else |
2024 | return(SSL_ERROR_SYSCALL); /* unknown */ | |
2025 | } | |
2026 | } | |
2027 | ||
2028 | if ((i < 0) && SSL_want_write(s)) | |
2029 | { | |
2030 | bio=SSL_get_wbio(s); | |
2031 | if (BIO_should_write(bio)) | |
2032 | return(SSL_ERROR_WANT_WRITE); | |
2033 | else if (BIO_should_read(bio)) | |
3a66e306 | 2034 | /* See above (SSL_want_read(s) with BIO_should_write(bio)) */ |
d02b48c6 RE |
2035 | return(SSL_ERROR_WANT_READ); |
2036 | else if (BIO_should_io_special(bio)) | |
2037 | { | |
2038 | reason=BIO_get_retry_reason(bio); | |
2039 | if (reason == BIO_RR_CONNECT) | |
2040 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
2041 | else if (reason == BIO_RR_ACCEPT) |
2042 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
2043 | else |
2044 | return(SSL_ERROR_SYSCALL); | |
2045 | } | |
2046 | } | |
2047 | if ((i < 0) && SSL_want_x509_lookup(s)) | |
2048 | { | |
2049 | return(SSL_ERROR_WANT_X509_LOOKUP); | |
2050 | } | |
2051 | ||
2052 | if (i == 0) | |
2053 | { | |
58964a49 | 2054 | if (s->version == SSL2_VERSION) |
d02b48c6 RE |
2055 | { |
2056 | /* assume it is the socket being closed */ | |
2057 | return(SSL_ERROR_ZERO_RETURN); | |
2058 | } | |
2059 | else | |
2060 | { | |
2061 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
58964a49 | 2062 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) |
d02b48c6 RE |
2063 | return(SSL_ERROR_ZERO_RETURN); |
2064 | } | |
2065 | } | |
2066 | return(SSL_ERROR_SYSCALL); | |
2067 | } | |
2068 | ||
4f43d0e7 | 2069 | int SSL_do_handshake(SSL *s) |
d02b48c6 | 2070 | { |
58964a49 RE |
2071 | int ret=1; |
2072 | ||
d02b48c6 RE |
2073 | if (s->handshake_func == NULL) |
2074 | { | |
58964a49 | 2075 | SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET); |
d02b48c6 RE |
2076 | return(-1); |
2077 | } | |
dfeab068 RE |
2078 | |
2079 | s->method->ssl_renegotiate_check(s); | |
2080 | ||
d02b48c6 | 2081 | if (SSL_in_init(s) || SSL_in_before(s)) |
58964a49 RE |
2082 | { |
2083 | ret=s->handshake_func(s); | |
2084 | } | |
2085 | return(ret); | |
d02b48c6 RE |
2086 | } |
2087 | ||
2088 | /* For the next 2 functions, SSL_clear() sets shutdown and so | |
2089 | * one of these calls will reset it */ | |
4f43d0e7 | 2090 | void SSL_set_accept_state(SSL *s) |
d02b48c6 | 2091 | { |
413c4f45 | 2092 | s->server=1; |
d02b48c6 RE |
2093 | s->shutdown=0; |
2094 | s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE; | |
2095 | s->handshake_func=s->method->ssl_accept; | |
2096 | /* clear the current cipher */ | |
2097 | ssl_clear_cipher_ctx(s); | |
2098 | } | |
2099 | ||
4f43d0e7 | 2100 | void SSL_set_connect_state(SSL *s) |
d02b48c6 | 2101 | { |
413c4f45 | 2102 | s->server=0; |
d02b48c6 RE |
2103 | s->shutdown=0; |
2104 | s->state=SSL_ST_CONNECT|SSL_ST_BEFORE; | |
2105 | s->handshake_func=s->method->ssl_connect; | |
2106 | /* clear the current cipher */ | |
2107 | ssl_clear_cipher_ctx(s); | |
2108 | } | |
2109 | ||
4f43d0e7 | 2110 | int ssl_undefined_function(SSL *s) |
d02b48c6 RE |
2111 | { |
2112 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2113 | return(0); | |
2114 | } | |
2115 | ||
41a15c4f BL |
2116 | int ssl_undefined_void_function(void) |
2117 | { | |
2118 | SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2119 | return(0); | |
2120 | } | |
2121 | ||
0821bcd4 BL |
2122 | int ssl_undefined_const_function(const SSL *s) |
2123 | { | |
2124 | SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2125 | return(0); | |
2126 | } | |
2127 | ||
4f43d0e7 | 2128 | SSL_METHOD *ssl_bad_method(int ver) |
d02b48c6 RE |
2129 | { |
2130 | SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
2131 | return(NULL); | |
2132 | } | |
2133 | ||
0821bcd4 | 2134 | const char *SSL_get_version(const SSL *s) |
d02b48c6 | 2135 | { |
58964a49 RE |
2136 | if (s->version == TLS1_VERSION) |
2137 | return("TLSv1"); | |
2138 | else if (s->version == SSL3_VERSION) | |
d02b48c6 | 2139 | return("SSLv3"); |
58964a49 | 2140 | else if (s->version == SSL2_VERSION) |
d02b48c6 RE |
2141 | return("SSLv2"); |
2142 | else | |
2143 | return("unknown"); | |
2144 | } | |
2145 | ||
4f43d0e7 | 2146 | SSL *SSL_dup(SSL *s) |
8a41eb70 | 2147 | { |
f73e07cf | 2148 | STACK_OF(X509_NAME) *sk; |
d02b48c6 | 2149 | X509_NAME *xn; |
b1c4fe36 | 2150 | SSL *ret; |
d02b48c6 RE |
2151 | int i; |
2152 | ||
b4cadc6e BL |
2153 | if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
2154 | return(NULL); | |
bf21446a BM |
2155 | |
2156 | ret->version = s->version; | |
2157 | ret->type = s->type; | |
2158 | ret->method = s->method; | |
2159 | ||
8a41eb70 BM |
2160 | if (s->session != NULL) |
2161 | { | |
2162 | /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */ | |
2163 | SSL_copy_session_id(ret,s); | |
2164 | } | |
2165 | else | |
2166 | { | |
2167 | /* No session has been established yet, so we have to expect | |
2168 | * that s->cert or ret->cert will be changed later -- | |
2169 | * they should not both point to the same object, | |
2170 | * and thus we can't use SSL_copy_session_id. */ | |
2171 | ||
2e60ea76 | 2172 | ret->method->ssl_free(ret); |
8a41eb70 BM |
2173 | ret->method = s->method; |
2174 | ret->method->ssl_new(ret); | |
2175 | ||
2176 | if (s->cert != NULL) | |
2177 | { | |
34d69d3b RL |
2178 | if (ret->cert != NULL) |
2179 | { | |
2180 | ssl_cert_free(ret->cert); | |
2181 | } | |
8a41eb70 BM |
2182 | ret->cert = ssl_cert_dup(s->cert); |
2183 | if (ret->cert == NULL) | |
2184 | goto err; | |
2185 | } | |
2186 | ||
2187 | SSL_set_session_id_context(ret, | |
2188 | s->sid_ctx, s->sid_ctx_length); | |
2189 | } | |
d02b48c6 | 2190 | |
bf21446a BM |
2191 | ret->options=s->options; |
2192 | ret->mode=s->mode; | |
c0f5dd07 | 2193 | SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s)); |
d02b48c6 | 2194 | SSL_set_read_ahead(ret,SSL_get_read_ahead(s)); |
bf21446a BM |
2195 | ret->msg_callback = s->msg_callback; |
2196 | ret->msg_callback_arg = s->msg_callback_arg; | |
d02b48c6 RE |
2197 | SSL_set_verify(ret,SSL_get_verify_mode(s), |
2198 | SSL_get_verify_callback(s)); | |
7f89714e | 2199 | SSL_set_verify_depth(ret,SSL_get_verify_depth(s)); |
bf21446a | 2200 | ret->generate_session_id = s->generate_session_id; |
d02b48c6 RE |
2201 | |
2202 | SSL_set_info_callback(ret,SSL_get_info_callback(s)); | |
2203 | ||
2204 | ret->debug=s->debug; | |
2205 | ||
2206 | /* copy app data, a little dangerous perhaps */ | |
79aa04ef | 2207 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) |
58964a49 | 2208 | goto err; |
d02b48c6 RE |
2209 | |
2210 | /* setup rbio, and wbio */ | |
2211 | if (s->rbio != NULL) | |
2212 | { | |
2213 | if (!BIO_dup_state(s->rbio,(char *)&ret->rbio)) | |
2214 | goto err; | |
2215 | } | |
2216 | if (s->wbio != NULL) | |
2217 | { | |
2218 | if (s->wbio != s->rbio) | |
2219 | { | |
58964a49 | 2220 | if (!BIO_dup_state(s->wbio,(char *)&ret->wbio)) |
d02b48c6 RE |
2221 | goto err; |
2222 | } | |
2223 | else | |
2224 | ret->wbio=ret->rbio; | |
2225 | } | |
bf21446a BM |
2226 | ret->rwstate = s->rwstate; |
2227 | ret->in_handshake = s->in_handshake; | |
2228 | ret->handshake_func = s->handshake_func; | |
2229 | ret->server = s->server; | |
2230 | ret->new_session = s->new_session; | |
2231 | ret->quiet_shutdown = s->quiet_shutdown; | |
2232 | ret->shutdown=s->shutdown; | |
2233 | ret->state=s->state; /* SSL_dup does not really work at any state, though */ | |
2234 | ret->rstate=s->rstate; | |
2235 | ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */ | |
2236 | ret->hit=s->hit; | |
5d7c222d DSH |
2237 | |
2238 | X509_VERIFY_PARAM_inherit(ret->param, s->param); | |
d02b48c6 RE |
2239 | |
2240 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
2241 | if (s->cipher_list != NULL) | |
2242 | { | |
f73e07cf | 2243 | if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) |
d02b48c6 RE |
2244 | goto err; |
2245 | } | |
2246 | if (s->cipher_list_by_id != NULL) | |
f73e07cf | 2247 | if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id)) |
d02b48c6 RE |
2248 | == NULL) |
2249 | goto err; | |
2250 | ||
2251 | /* Dup the client_CA list */ | |
2252 | if (s->client_CA != NULL) | |
2253 | { | |
f73e07cf | 2254 | if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err; |
d02b48c6 | 2255 | ret->client_CA=sk; |
f73e07cf | 2256 | for (i=0; i<sk_X509_NAME_num(sk); i++) |
d02b48c6 | 2257 | { |
f73e07cf BL |
2258 | xn=sk_X509_NAME_value(sk,i); |
2259 | if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL) | |
d02b48c6 RE |
2260 | { |
2261 | X509_NAME_free(xn); | |
2262 | goto err; | |
2263 | } | |
2264 | } | |
2265 | } | |
2266 | ||
d02b48c6 RE |
2267 | if (0) |
2268 | { | |
2269 | err: | |
2270 | if (ret != NULL) SSL_free(ret); | |
2271 | ret=NULL; | |
2272 | } | |
2273 | return(ret); | |
2274 | } | |
2275 | ||
4f43d0e7 | 2276 | void ssl_clear_cipher_ctx(SSL *s) |
d02b48c6 | 2277 | { |
8a41eb70 BM |
2278 | if (s->enc_read_ctx != NULL) |
2279 | { | |
2280 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
26a3a48d | 2281 | OPENSSL_free(s->enc_read_ctx); |
8a41eb70 BM |
2282 | s->enc_read_ctx=NULL; |
2283 | } | |
2284 | if (s->enc_write_ctx != NULL) | |
2285 | { | |
2286 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
26a3a48d | 2287 | OPENSSL_free(s->enc_write_ctx); |
8a41eb70 BM |
2288 | s->enc_write_ctx=NULL; |
2289 | } | |
09b6c2ef | 2290 | #ifndef OPENSSL_NO_COMP |
413c4f45 MC |
2291 | if (s->expand != NULL) |
2292 | { | |
2293 | COMP_CTX_free(s->expand); | |
2294 | s->expand=NULL; | |
2295 | } | |
2296 | if (s->compress != NULL) | |
2297 | { | |
2298 | COMP_CTX_free(s->compress); | |
2299 | s->compress=NULL; | |
2300 | } | |
09b6c2ef | 2301 | #endif |
d02b48c6 RE |
2302 | } |
2303 | ||
58964a49 | 2304 | /* Fix this function so that it takes an optional type parameter */ |
0821bcd4 | 2305 | X509 *SSL_get_certificate(const SSL *s) |
d02b48c6 RE |
2306 | { |
2307 | if (s->cert != NULL) | |
2308 | return(s->cert->key->x509); | |
2309 | else | |
2310 | return(NULL); | |
2311 | } | |
2312 | ||
58964a49 | 2313 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 2314 | EVP_PKEY *SSL_get_privatekey(SSL *s) |
d02b48c6 RE |
2315 | { |
2316 | if (s->cert != NULL) | |
2317 | return(s->cert->key->privatekey); | |
2318 | else | |
2319 | return(NULL); | |
2320 | } | |
2321 | ||
0821bcd4 | 2322 | SSL_CIPHER *SSL_get_current_cipher(const SSL *s) |
d02b48c6 | 2323 | { |
b1c4fe36 BM |
2324 | if ((s->session != NULL) && (s->session->cipher != NULL)) |
2325 | return(s->session->cipher); | |
2326 | return(NULL); | |
d02b48c6 | 2327 | } |
09b6c2ef DSH |
2328 | #ifdef OPENSSL_NO_COMP |
2329 | const void *SSL_get_current_compression(SSL *s) | |
2330 | { | |
2331 | return NULL; | |
2332 | } | |
2333 | const void *SSL_get_current_expansion(SSL *s) | |
2334 | { | |
2335 | return NULL; | |
2336 | } | |
2337 | #else | |
d02b48c6 | 2338 | |
377dcdba RL |
2339 | const COMP_METHOD *SSL_get_current_compression(SSL *s) |
2340 | { | |
2341 | if (s->compress != NULL) | |
2342 | return(s->compress->meth); | |
2343 | return(NULL); | |
2344 | } | |
2345 | ||
2346 | const COMP_METHOD *SSL_get_current_expansion(SSL *s) | |
2347 | { | |
2348 | if (s->expand != NULL) | |
2349 | return(s->expand->meth); | |
2350 | return(NULL); | |
2351 | } | |
09b6c2ef | 2352 | #endif |
377dcdba | 2353 | |
4f43d0e7 | 2354 | int ssl_init_wbio_buffer(SSL *s,int push) |
58964a49 RE |
2355 | { |
2356 | BIO *bbio; | |
2357 | ||
2358 | if (s->bbio == NULL) | |
2359 | { | |
2360 | bbio=BIO_new(BIO_f_buffer()); | |
2361 | if (bbio == NULL) return(0); | |
2362 | s->bbio=bbio; | |
2363 | } | |
2364 | else | |
2365 | { | |
2366 | bbio=s->bbio; | |
2367 | if (s->bbio == s->wbio) | |
2368 | s->wbio=BIO_pop(s->wbio); | |
2369 | } | |
d58d092b | 2370 | (void)BIO_reset(bbio); |
58964a49 RE |
2371 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ |
2372 | if (!BIO_set_read_buffer_size(bbio,1)) | |
2373 | { | |
2374 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB); | |
2375 | return(0); | |
2376 | } | |
2377 | if (push) | |
2378 | { | |
2379 | if (s->wbio != bbio) | |
2380 | s->wbio=BIO_push(bbio,s->wbio); | |
2381 | } | |
2382 | else | |
2383 | { | |
2384 | if (s->wbio == bbio) | |
2385 | s->wbio=BIO_pop(bbio); | |
2386 | } | |
2387 | return(1); | |
2388 | } | |
413c4f45 | 2389 | |
4f43d0e7 | 2390 | void ssl_free_wbio_buffer(SSL *s) |
413c4f45 | 2391 | { |
413c4f45 MC |
2392 | if (s->bbio == NULL) return; |
2393 | ||
2394 | if (s->bbio == s->wbio) | |
2395 | { | |
2396 | /* remove buffering */ | |
bbb8de09 BM |
2397 | s->wbio=BIO_pop(s->wbio); |
2398 | #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */ | |
2399 | assert(s->wbio != NULL); | |
2400 | #endif | |
2401 | } | |
413c4f45 MC |
2402 | BIO_free(s->bbio); |
2403 | s->bbio=NULL; | |
2404 | } | |
58964a49 | 2405 | |
4f43d0e7 | 2406 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode) |
58964a49 RE |
2407 | { |
2408 | ctx->quiet_shutdown=mode; | |
2409 | } | |
2410 | ||
0821bcd4 | 2411 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) |
58964a49 RE |
2412 | { |
2413 | return(ctx->quiet_shutdown); | |
2414 | } | |
2415 | ||
4f43d0e7 | 2416 | void SSL_set_quiet_shutdown(SSL *s,int mode) |
58964a49 RE |
2417 | { |
2418 | s->quiet_shutdown=mode; | |
2419 | } | |
2420 | ||
0821bcd4 | 2421 | int SSL_get_quiet_shutdown(const SSL *s) |
58964a49 RE |
2422 | { |
2423 | return(s->quiet_shutdown); | |
2424 | } | |
2425 | ||
4f43d0e7 | 2426 | void SSL_set_shutdown(SSL *s,int mode) |
58964a49 RE |
2427 | { |
2428 | s->shutdown=mode; | |
2429 | } | |
2430 | ||
0821bcd4 | 2431 | int SSL_get_shutdown(const SSL *s) |
58964a49 RE |
2432 | { |
2433 | return(s->shutdown); | |
2434 | } | |
2435 | ||
0821bcd4 | 2436 | int SSL_version(const SSL *s) |
58964a49 RE |
2437 | { |
2438 | return(s->version); | |
2439 | } | |
2440 | ||
0821bcd4 | 2441 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) |
58964a49 RE |
2442 | { |
2443 | return(ssl->ctx); | |
2444 | } | |
2445 | ||
ed3883d2 BM |
2446 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx) |
2447 | { | |
ed3883d2 BM |
2448 | if (ssl->cert != NULL) |
2449 | ssl_cert_free(ssl->cert); | |
2450 | ssl->cert = ssl_cert_dup(ctx->cert); | |
2451 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); | |
2452 | if (ssl->ctx != NULL) | |
2453 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ | |
2454 | ssl->ctx = ctx; | |
2455 | return(ssl->ctx); | |
2456 | } | |
2457 | ||
bc36ee62 | 2458 | #ifndef OPENSSL_NO_STDIO |
4f43d0e7 | 2459 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
58964a49 RE |
2460 | { |
2461 | return(X509_STORE_set_default_paths(ctx->cert_store)); | |
2462 | } | |
2463 | ||
303c0028 BM |
2464 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
2465 | const char *CApath) | |
58964a49 RE |
2466 | { |
2467 | return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath)); | |
2468 | } | |
dfeab068 | 2469 | #endif |
58964a49 | 2470 | |
45d87a1f BL |
2471 | void SSL_set_info_callback(SSL *ssl, |
2472 | void (*cb)(const SSL *ssl,int type,int val)) | |
58964a49 RE |
2473 | { |
2474 | ssl->info_callback=cb; | |
2475 | } | |
2476 | ||
543b4ecc RL |
2477 | /* One compiler (Diab DCC) doesn't like argument names in returned |
2478 | function pointer. */ | |
2479 | void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/) | |
58964a49 | 2480 | { |
45d87a1f | 2481 | return ssl->info_callback; |
58964a49 RE |
2482 | } |
2483 | ||
0821bcd4 | 2484 | int SSL_state(const SSL *ssl) |
58964a49 RE |
2485 | { |
2486 | return(ssl->state); | |
2487 | } | |
2488 | ||
4f43d0e7 | 2489 | void SSL_set_verify_result(SSL *ssl,long arg) |
58964a49 RE |
2490 | { |
2491 | ssl->verify_result=arg; | |
2492 | } | |
2493 | ||
0821bcd4 | 2494 | long SSL_get_verify_result(const SSL *ssl) |
58964a49 RE |
2495 | { |
2496 | return(ssl->verify_result); | |
2497 | } | |
2498 | ||
dd9d233e DSH |
2499 | int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2500 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2501 | { |
79aa04ef GT |
2502 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp, |
2503 | new_func, dup_func, free_func); | |
b1c4fe36 | 2504 | } |
58964a49 | 2505 | |
4f43d0e7 | 2506 | int SSL_set_ex_data(SSL *s,int idx,void *arg) |
58964a49 RE |
2507 | { |
2508 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2509 | } | |
2510 | ||
0821bcd4 | 2511 | void *SSL_get_ex_data(const SSL *s,int idx) |
58964a49 RE |
2512 | { |
2513 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2514 | } | |
2515 | ||
dd9d233e DSH |
2516 | int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2517 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2518 | { |
79aa04ef GT |
2519 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp, |
2520 | new_func, dup_func, free_func); | |
b1c4fe36 | 2521 | } |
58964a49 | 2522 | |
4f43d0e7 | 2523 | int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg) |
58964a49 RE |
2524 | { |
2525 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2526 | } | |
2527 | ||
0821bcd4 | 2528 | void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx) |
58964a49 RE |
2529 | { |
2530 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2531 | } | |
2532 | ||
4f43d0e7 | 2533 | int ssl_ok(SSL *s) |
dfeab068 RE |
2534 | { |
2535 | return(1); | |
2536 | } | |
2537 | ||
0821bcd4 | 2538 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) |
413c4f45 MC |
2539 | { |
2540 | return(ctx->cert_store); | |
2541 | } | |
2542 | ||
4f43d0e7 | 2543 | void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store) |
413c4f45 MC |
2544 | { |
2545 | if (ctx->cert_store != NULL) | |
2546 | X509_STORE_free(ctx->cert_store); | |
2547 | ctx->cert_store=store; | |
2548 | } | |
2549 | ||
0821bcd4 | 2550 | int SSL_want(const SSL *s) |
413c4f45 MC |
2551 | { |
2552 | return(s->rwstate); | |
2553 | } | |
2554 | ||
4f43d0e7 BL |
2555 | /*! |
2556 | * \brief Set the callback for generating temporary RSA keys. | |
2557 | * \param ctx the SSL context. | |
2558 | * \param cb the callback | |
2559 | */ | |
2560 | ||
bc36ee62 | 2561 | #ifndef OPENSSL_NO_RSA |
df63a389 UM |
2562 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl, |
2563 | int is_export, | |
60e31c3a | 2564 | int keylength)) |
a9188d4e | 2565 | { |
41a15c4f | 2566 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); |
a9188d4e | 2567 | } |
79df9d62 | 2568 | |
d3442bc7 RL |
2569 | void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl, |
2570 | int is_export, | |
2571 | int keylength)) | |
a9188d4e | 2572 | { |
41a15c4f | 2573 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); |
a9188d4e | 2574 | } |
79df9d62 | 2575 | #endif |
f8c3c05d | 2576 | |
4f43d0e7 BL |
2577 | #ifdef DOXYGEN |
2578 | /*! | |
2579 | * \brief The RSA temporary key callback function. | |
2580 | * \param ssl the SSL session. | |
df63a389 UM |
2581 | * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite. |
2582 | * \param keylength if \c is_export is \c TRUE, then \c keylength is the size | |
2583 | * of the required key in bits. | |
4f43d0e7 BL |
2584 | * \return the temporary RSA key. |
2585 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
2586 | */ | |
2587 | ||
df63a389 | 2588 | RSA *cb(SSL *ssl,int is_export,int keylength) |
4f43d0e7 BL |
2589 | {} |
2590 | #endif | |
2591 | ||
2592 | /*! | |
2593 | * \brief Set the callback for generating temporary DH keys. | |
2594 | * \param ctx the SSL context. | |
2595 | * \param dh the callback | |
2596 | */ | |
2597 | ||
bc36ee62 | 2598 | #ifndef OPENSSL_NO_DH |
df63a389 | 2599 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export, |
60e31c3a | 2600 | int keylength)) |
a661b653 | 2601 | { |
41a15c4f | 2602 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); |
a661b653 | 2603 | } |
f8c3c05d | 2604 | |
df63a389 | 2605 | void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export, |
d3442bc7 | 2606 | int keylength)) |
a661b653 | 2607 | { |
41a15c4f | 2608 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); |
a661b653 | 2609 | } |
79df9d62 | 2610 | #endif |
15d21c2d | 2611 | |
ea262260 BM |
2612 | #ifndef OPENSSL_NO_ECDH |
2613 | void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export, | |
2614 | int keylength)) | |
2615 | { | |
41a15c4f | 2616 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); |
ea262260 BM |
2617 | } |
2618 | ||
2619 | void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export, | |
2620 | int keylength)) | |
2621 | { | |
41a15c4f | 2622 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); |
ea262260 BM |
2623 | } |
2624 | #endif | |
2625 | ||
a661b653 BM |
2626 | |
2627 | 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)) | |
2628 | { | |
41a15c4f | 2629 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); |
a661b653 BM |
2630 | } |
2631 | 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)) | |
2632 | { | |
41a15c4f | 2633 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); |
a661b653 BM |
2634 | } |
2635 | ||
2636 | ||
2637 | ||
bc36ee62 | 2638 | #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16) |
58964a49 RE |
2639 | #include "../crypto/bio/bss_file.c" |
2640 | #endif | |
f73e07cf BL |
2641 | |
2642 | IMPLEMENT_STACK_OF(SSL_CIPHER) | |
2643 | IMPLEMENT_STACK_OF(SSL_COMP) |