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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 BM |
60 | /* ==================================================================== |
61 | * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. | |
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 | */ | |
d02b48c6 | 113 | |
bbb8de09 | 114 | |
027e257b BM |
115 | #ifdef REF_CHECK |
116 | # include <assert.h> | |
117 | #endif | |
d02b48c6 | 118 | #include <stdio.h> |
ec577822 BM |
119 | #include <openssl/objects.h> |
120 | #include <openssl/lhash.h> | |
bb7cd4e3 | 121 | #include <openssl/x509v3.h> |
d02b48c6 | 122 | #include "ssl_locl.h" |
2a96235b | 123 | #include "kssl_lcl.h" |
d02b48c6 | 124 | |
9d1a01be | 125 | const char *SSL_version_str=OPENSSL_VERSION_TEXT; |
58964a49 | 126 | |
7f0dae32 | 127 | OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={ |
dd9d233e | 128 | /* evil casts, but these functions are only called if there's a library bug */ |
245206ea BM |
129 | (int (*)(SSL *,int))ssl_undefined_function, |
130 | (int (*)(SSL *, unsigned char *, int))ssl_undefined_function, | |
58964a49 | 131 | ssl_undefined_function, |
245206ea BM |
132 | (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function, |
133 | (int (*)(SSL*, int))ssl_undefined_function, | |
134 | (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function | |
58964a49 | 135 | }; |
d02b48c6 | 136 | |
4f43d0e7 | 137 | int SSL_clear(SSL *s) |
d02b48c6 RE |
138 | { |
139 | int state; | |
140 | ||
413c4f45 MC |
141 | if (s->method == NULL) |
142 | { | |
143 | SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED); | |
144 | return(0); | |
145 | } | |
d02b48c6 RE |
146 | |
147 | s->error=0; | |
148 | s->hit=0; | |
413c4f45 | 149 | s->shutdown=0; |
d02b48c6 | 150 | |
a2a01589 BM |
151 | #if 0 /* Disabled since version 1.10 of this file (early return not |
152 | * needed because SSL_clear is not called when doing renegotiation) */ | |
d02b48c6 RE |
153 | /* This is set if we are doing dynamic renegotiation so keep |
154 | * the old cipher. It is sort of a SSL_clear_lite :-) */ | |
413c4f45 | 155 | if (s->new_session) return(1); |
a2a01589 BM |
156 | #else |
157 | if (s->new_session) | |
158 | { | |
5277d7cb | 159 | SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR); |
a2a01589 BM |
160 | return 0; |
161 | } | |
413c4f45 | 162 | #endif |
d02b48c6 RE |
163 | |
164 | state=s->state; /* Keep to check if we throw away the session-id */ | |
165 | s->type=0; | |
166 | ||
413c4f45 MC |
167 | s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT); |
168 | ||
d02b48c6 | 169 | s->version=s->method->version; |
413c4f45 | 170 | s->client_version=s->version; |
d02b48c6 | 171 | s->rwstate=SSL_NOTHING; |
d02b48c6 | 172 | s->rstate=SSL_ST_READ_HEADER; |
544ebbce | 173 | #if 0 |
413c4f45 | 174 | s->read_ahead=s->ctx->read_ahead; |
544ebbce | 175 | #endif |
d02b48c6 RE |
176 | |
177 | if (s->init_buf != NULL) | |
178 | { | |
179 | BUF_MEM_free(s->init_buf); | |
180 | s->init_buf=NULL; | |
181 | } | |
182 | ||
183 | ssl_clear_cipher_ctx(s); | |
184 | ||
185 | if (ssl_clear_bad_session(s)) | |
186 | { | |
187 | SSL_SESSION_free(s->session); | |
188 | s->session=NULL; | |
189 | } | |
190 | ||
d02b48c6 RE |
191 | s->first_packet=0; |
192 | ||
413c4f45 MC |
193 | #if 1 |
194 | /* Check to see if we were changed into a different method, if | |
195 | * so, revert back if we are not doing session-id reuse. */ | |
979689aa | 196 | if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method)) |
413c4f45 MC |
197 | { |
198 | s->method->ssl_free(s); | |
199 | s->method=s->ctx->method; | |
200 | if (!s->method->ssl_new(s)) | |
201 | return(0); | |
202 | } | |
203 | else | |
204 | #endif | |
205 | s->method->ssl_clear(s); | |
206 | return(1); | |
d02b48c6 RE |
207 | } |
208 | ||
4f43d0e7 BL |
209 | /** Used to change an SSL_CTXs default SSL method type */ |
210 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth) | |
d02b48c6 | 211 | { |
f73e07cf | 212 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
213 | |
214 | ctx->method=meth; | |
215 | ||
216 | sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list), | |
217 | &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST); | |
f73e07cf | 218 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) |
d02b48c6 RE |
219 | { |
220 | SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); | |
221 | return(0); | |
222 | } | |
223 | return(1); | |
224 | } | |
225 | ||
4f43d0e7 | 226 | SSL *SSL_new(SSL_CTX *ctx) |
d02b48c6 RE |
227 | { |
228 | SSL *s; | |
229 | ||
230 | if (ctx == NULL) | |
231 | { | |
232 | SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX); | |
233 | return(NULL); | |
234 | } | |
235 | if (ctx->method == NULL) | |
236 | { | |
237 | SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); | |
238 | return(NULL); | |
239 | } | |
240 | ||
26a3a48d | 241 | s=(SSL *)OPENSSL_malloc(sizeof(SSL)); |
d02b48c6 RE |
242 | if (s == NULL) goto err; |
243 | memset(s,0,sizeof(SSL)); | |
244 | ||
bc36ee62 | 245 | #ifndef OPENSSL_NO_KRB5 |
f9b3bff6 | 246 | s->kssl_ctx = kssl_ctx_new(); |
bc36ee62 | 247 | #endif /* OPENSSL_NO_KRB5 */ |
f9b3bff6 | 248 | |
bf21446a BM |
249 | s->options=ctx->options; |
250 | s->mode=ctx->mode; | |
251 | s->max_cert_list=ctx->max_cert_list; | |
252 | ||
ca8e5b9b | 253 | if (ctx->cert != NULL) |
d02b48c6 | 254 | { |
ca8e5b9b BM |
255 | /* Earlier library versions used to copy the pointer to |
256 | * the CERT, not its contents; only when setting new | |
257 | * parameters for the per-SSL copy, ssl_cert_new would be | |
258 | * called (and the direct reference to the per-SSL_CTX | |
259 | * settings would be lost, but those still were indirectly | |
260 | * accessed for various purposes, and for that reason they | |
261 | * used to be known as s->ctx->default_cert). | |
262 | * Now we don't look at the SSL_CTX's CERT after having | |
263 | * duplicated it once. */ | |
264 | ||
265 | s->cert = ssl_cert_dup(ctx->cert); | |
266 | if (s->cert == NULL) | |
267 | goto err; | |
d02b48c6 RE |
268 | } |
269 | else | |
ca8e5b9b | 270 | s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */ |
bf21446a BM |
271 | |
272 | s->read_ahead=ctx->read_ahead; | |
273 | s->msg_callback=ctx->msg_callback; | |
274 | s->msg_callback_arg=ctx->msg_callback_arg; | |
413c4f45 | 275 | s->verify_mode=ctx->verify_mode; |
7f89714e | 276 | s->verify_depth=ctx->verify_depth; |
bf21446a BM |
277 | s->sid_ctx_length=ctx->sid_ctx_length; |
278 | memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx)); | |
d02b48c6 | 279 | s->verify_callback=ctx->default_verify_callback; |
dc644fe2 | 280 | s->generate_session_id=ctx->generate_session_id; |
13938ace DSH |
281 | s->purpose = ctx->purpose; |
282 | s->trust = ctx->trust; | |
bf21446a BM |
283 | s->quiet_shutdown=ctx->quiet_shutdown; |
284 | ||
d02b48c6 RE |
285 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); |
286 | s->ctx=ctx; | |
287 | ||
288 | s->verify_result=X509_V_OK; | |
289 | ||
290 | s->method=ctx->method; | |
291 | ||
292 | if (!s->method->ssl_new(s)) | |
d02b48c6 | 293 | goto err; |
d02b48c6 | 294 | |
58964a49 | 295 | s->references=1; |
413c4f45 | 296 | s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1; |
bf21446a | 297 | |
d02b48c6 | 298 | SSL_clear(s); |
58964a49 | 299 | |
79aa04ef | 300 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 301 | |
d02b48c6 RE |
302 | return(s); |
303 | err: | |
ca8e5b9b BM |
304 | if (s != NULL) |
305 | { | |
306 | if (s->cert != NULL) | |
307 | ssl_cert_free(s->cert); | |
308 | if (s->ctx != NULL) | |
309 | SSL_CTX_free(s->ctx); /* decrement reference count */ | |
26a3a48d | 310 | OPENSSL_free(s); |
ca8e5b9b | 311 | } |
d02b48c6 RE |
312 | SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE); |
313 | return(NULL); | |
314 | } | |
315 | ||
4eb77b26 BM |
316 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx, |
317 | unsigned int sid_ctx_len) | |
318 | { | |
319 | if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) | |
320 | { | |
321 | SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
322 | return 0; | |
323 | } | |
324 | ctx->sid_ctx_length=sid_ctx_len; | |
325 | memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len); | |
326 | ||
327 | return 1; | |
328 | } | |
329 | ||
b4cadc6e BL |
330 | int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx, |
331 | unsigned int sid_ctx_len) | |
332 | { | |
333 | if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) | |
334 | { | |
335 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
336 | return 0; | |
337 | } | |
338 | ssl->sid_ctx_length=sid_ctx_len; | |
339 | memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len); | |
340 | ||
341 | return 1; | |
342 | } | |
343 | ||
dc644fe2 GT |
344 | int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) |
345 | { | |
346 | CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); | |
347 | ctx->generate_session_id = cb; | |
348 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); | |
349 | return 1; | |
350 | } | |
351 | ||
352 | int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) | |
353 | { | |
354 | CRYPTO_w_lock(CRYPTO_LOCK_SSL); | |
355 | ssl->generate_session_id = cb; | |
356 | CRYPTO_w_unlock(CRYPTO_LOCK_SSL); | |
357 | return 1; | |
358 | } | |
359 | ||
f85c9904 | 360 | int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, |
dc644fe2 GT |
361 | unsigned int id_len) |
362 | { | |
363 | /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how | |
364 | * we can "construct" a session to give us the desired check - ie. to | |
365 | * find if there's a session in the hash table that would conflict with | |
366 | * any new session built out of this id/id_len and the ssl_version in | |
f85c9904 | 367 | * use by this SSL. */ |
dc644fe2 | 368 | SSL_SESSION r, *p; |
f85c9904 | 369 | r.ssl_version = ssl->version; |
dc644fe2 GT |
370 | r.session_id_length = id_len; |
371 | memcpy(r.session_id, id, id_len); | |
ec0f1959 GT |
372 | /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a |
373 | * callback is calling us to check the uniqueness of a shorter ID, it | |
374 | * must be compared as a padded-out ID because that is what it will be | |
375 | * converted to when the callback has finished choosing it. */ | |
376 | if((r.ssl_version == SSL2_VERSION) && | |
377 | (id_len < SSL2_SSL_SESSION_ID_LENGTH)) | |
378 | { | |
379 | memset(r.session_id + id_len, 0, | |
380 | SSL2_SSL_SESSION_ID_LENGTH - id_len); | |
381 | r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH; | |
382 | } | |
dc644fe2 GT |
383 | |
384 | CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); | |
f85c9904 | 385 | p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r); |
dc644fe2 GT |
386 | CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); |
387 | return (p != NULL); | |
388 | } | |
389 | ||
bb7cd4e3 | 390 | int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) |
bf21446a | 391 | { |
926a56bf | 392 | return X509_PURPOSE_set(&s->purpose, purpose); |
bf21446a | 393 | } |
bb7cd4e3 DSH |
394 | |
395 | int SSL_set_purpose(SSL *s, int purpose) | |
bf21446a | 396 | { |
926a56bf | 397 | return X509_PURPOSE_set(&s->purpose, purpose); |
bf21446a | 398 | } |
926a56bf | 399 | |
bb7cd4e3 | 400 | int SSL_CTX_set_trust(SSL_CTX *s, int trust) |
bf21446a | 401 | { |
926a56bf | 402 | return X509_TRUST_set(&s->trust, trust); |
bf21446a | 403 | } |
bb7cd4e3 DSH |
404 | |
405 | int SSL_set_trust(SSL *s, int trust) | |
bf21446a | 406 | { |
926a56bf | 407 | return X509_TRUST_set(&s->trust, trust); |
bf21446a | 408 | } |
bb7cd4e3 | 409 | |
4f43d0e7 | 410 | void SSL_free(SSL *s) |
d02b48c6 | 411 | { |
58964a49 RE |
412 | int i; |
413 | ||
e03ddfae BL |
414 | if(s == NULL) |
415 | return; | |
416 | ||
58964a49 RE |
417 | i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL); |
418 | #ifdef REF_PRINT | |
419 | REF_PRINT("SSL",s); | |
420 | #endif | |
421 | if (i > 0) return; | |
422 | #ifdef REF_CHECK | |
423 | if (i < 0) | |
424 | { | |
425 | fprintf(stderr,"SSL_free, bad reference count\n"); | |
426 | abort(); /* ok */ | |
427 | } | |
428 | #endif | |
429 | ||
79aa04ef | 430 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); |
58964a49 | 431 | |
d02b48c6 RE |
432 | if (s->bbio != NULL) |
433 | { | |
434 | /* If the buffering BIO is in place, pop it off */ | |
435 | if (s->bbio == s->wbio) | |
436 | { | |
437 | s->wbio=BIO_pop(s->wbio); | |
438 | } | |
439 | BIO_free(s->bbio); | |
58964a49 | 440 | s->bbio=NULL; |
d02b48c6 RE |
441 | } |
442 | if (s->rbio != NULL) | |
443 | BIO_free_all(s->rbio); | |
444 | if ((s->wbio != NULL) && (s->wbio != s->rbio)) | |
445 | BIO_free_all(s->wbio); | |
446 | ||
447 | if (s->init_buf != NULL) BUF_MEM_free(s->init_buf); | |
448 | ||
449 | /* add extra stuff */ | |
f73e07cf BL |
450 | if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list); |
451 | if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
d02b48c6 RE |
452 | |
453 | /* Make the next call work :-) */ | |
454 | if (s->session != NULL) | |
455 | { | |
456 | ssl_clear_bad_session(s); | |
457 | SSL_SESSION_free(s->session); | |
458 | } | |
459 | ||
460 | ssl_clear_cipher_ctx(s); | |
461 | ||
462 | if (s->cert != NULL) ssl_cert_free(s->cert); | |
463 | /* Free up if allocated */ | |
464 | ||
465 | if (s->ctx) SSL_CTX_free(s->ctx); | |
466 | ||
467 | if (s->client_CA != NULL) | |
f73e07cf | 468 | sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free); |
d02b48c6 RE |
469 | |
470 | if (s->method != NULL) s->method->ssl_free(s); | |
471 | ||
26a3a48d | 472 | OPENSSL_free(s); |
d02b48c6 RE |
473 | } |
474 | ||
4f43d0e7 | 475 | void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio) |
d02b48c6 RE |
476 | { |
477 | /* If the output buffering BIO is still in place, remove it | |
478 | */ | |
479 | if (s->bbio != NULL) | |
480 | { | |
481 | if (s->wbio == s->bbio) | |
482 | { | |
483 | s->wbio=s->wbio->next_bio; | |
484 | s->bbio->next_bio=NULL; | |
485 | } | |
486 | } | |
487 | if ((s->rbio != NULL) && (s->rbio != rbio)) | |
488 | BIO_free_all(s->rbio); | |
489 | if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio)) | |
490 | BIO_free_all(s->wbio); | |
491 | s->rbio=rbio; | |
492 | s->wbio=wbio; | |
493 | } | |
494 | ||
4f43d0e7 | 495 | BIO *SSL_get_rbio(SSL *s) |
d02b48c6 RE |
496 | { return(s->rbio); } |
497 | ||
4f43d0e7 | 498 | BIO *SSL_get_wbio(SSL *s) |
d02b48c6 RE |
499 | { return(s->wbio); } |
500 | ||
4f43d0e7 | 501 | int SSL_get_fd(SSL *s) |
24cbf3ef | 502 | { |
fa293e4e | 503 | return(SSL_get_rfd(s)); |
24cbf3ef RL |
504 | } |
505 | ||
506 | int SSL_get_rfd(SSL *s) | |
d02b48c6 RE |
507 | { |
508 | int ret= -1; | |
509 | BIO *b,*r; | |
510 | ||
511 | b=SSL_get_rbio(s); | |
512 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
513 | if (r != NULL) | |
514 | BIO_get_fd(r,&ret); | |
515 | return(ret); | |
516 | } | |
517 | ||
24cbf3ef RL |
518 | int SSL_get_wfd(SSL *s) |
519 | { | |
520 | int ret= -1; | |
521 | BIO *b,*r; | |
522 | ||
523 | b=SSL_get_wbio(s); | |
524 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
525 | if (r != NULL) | |
526 | BIO_get_fd(r,&ret); | |
527 | return(ret); | |
528 | } | |
529 | ||
bc36ee62 | 530 | #ifndef OPENSSL_NO_SOCK |
4f43d0e7 | 531 | int SSL_set_fd(SSL *s,int fd) |
d02b48c6 RE |
532 | { |
533 | int ret=0; | |
534 | BIO *bio=NULL; | |
535 | ||
536 | bio=BIO_new(BIO_s_socket()); | |
537 | ||
538 | if (bio == NULL) | |
539 | { | |
540 | SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB); | |
541 | goto err; | |
542 | } | |
543 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
544 | SSL_set_bio(s,bio,bio); | |
545 | ret=1; | |
546 | err: | |
547 | return(ret); | |
548 | } | |
549 | ||
4f43d0e7 | 550 | int SSL_set_wfd(SSL *s,int fd) |
d02b48c6 RE |
551 | { |
552 | int ret=0; | |
553 | BIO *bio=NULL; | |
554 | ||
58964a49 RE |
555 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) |
556 | || ((int)BIO_get_fd(s->rbio,NULL) != fd)) | |
557 | { | |
558 | bio=BIO_new(BIO_s_socket()); | |
d02b48c6 | 559 | |
58964a49 RE |
560 | if (bio == NULL) |
561 | { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; } | |
562 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
563 | SSL_set_bio(s,SSL_get_rbio(s),bio); | |
564 | } | |
565 | else | |
566 | SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s)); | |
d02b48c6 RE |
567 | ret=1; |
568 | err: | |
569 | return(ret); | |
570 | } | |
571 | ||
4f43d0e7 | 572 | int SSL_set_rfd(SSL *s,int fd) |
d02b48c6 RE |
573 | { |
574 | int ret=0; | |
575 | BIO *bio=NULL; | |
576 | ||
58964a49 RE |
577 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) |
578 | || ((int)BIO_get_fd(s->wbio,NULL) != fd)) | |
d02b48c6 | 579 | { |
58964a49 RE |
580 | bio=BIO_new(BIO_s_socket()); |
581 | ||
582 | if (bio == NULL) | |
583 | { | |
584 | SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB); | |
585 | goto err; | |
586 | } | |
587 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
588 | SSL_set_bio(s,bio,SSL_get_wbio(s)); | |
d02b48c6 | 589 | } |
58964a49 RE |
590 | else |
591 | SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s)); | |
d02b48c6 RE |
592 | ret=1; |
593 | err: | |
594 | return(ret); | |
595 | } | |
596 | #endif | |
597 | ||
ca03109c BM |
598 | |
599 | /* return length of latest Finished message we sent, copy to 'buf' */ | |
600 | size_t SSL_get_finished(SSL *s, void *buf, size_t count) | |
601 | { | |
602 | size_t ret = 0; | |
603 | ||
604 | if (s->s3 != NULL) | |
605 | { | |
606 | ret = s->s3->tmp.finish_md_len; | |
607 | if (count > ret) | |
608 | count = ret; | |
609 | memcpy(buf, s->s3->tmp.finish_md, count); | |
610 | } | |
611 | return ret; | |
612 | } | |
613 | ||
614 | /* return length of latest Finished message we expected, copy to 'buf' */ | |
615 | size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count) | |
616 | { | |
617 | size_t ret = 0; | |
618 | ||
619 | if (s->s3 != NULL) | |
620 | { | |
621 | ret = s->s3->tmp.peer_finish_md_len; | |
622 | if (count > ret) | |
623 | count = ret; | |
624 | memcpy(buf, s->s3->tmp.peer_finish_md, count); | |
625 | } | |
626 | return ret; | |
627 | } | |
628 | ||
629 | ||
4f43d0e7 | 630 | int SSL_get_verify_mode(SSL *s) |
d02b48c6 RE |
631 | { |
632 | return(s->verify_mode); | |
633 | } | |
634 | ||
7f89714e BM |
635 | int SSL_get_verify_depth(SSL *s) |
636 | { | |
637 | return(s->verify_depth); | |
638 | } | |
639 | ||
a06c602e | 640 | int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *) |
d02b48c6 RE |
641 | { |
642 | return(s->verify_callback); | |
643 | } | |
644 | ||
4f43d0e7 | 645 | int SSL_CTX_get_verify_mode(SSL_CTX *ctx) |
d02b48c6 | 646 | { |
413c4f45 | 647 | return(ctx->verify_mode); |
d02b48c6 RE |
648 | } |
649 | ||
7f89714e BM |
650 | int SSL_CTX_get_verify_depth(SSL_CTX *ctx) |
651 | { | |
652 | return(ctx->verify_depth); | |
653 | } | |
654 | ||
a06c602e | 655 | int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *) |
d02b48c6 RE |
656 | { |
657 | return(ctx->default_verify_callback); | |
658 | } | |
659 | ||
49bc2624 BL |
660 | void SSL_set_verify(SSL *s,int mode, |
661 | int (*callback)(int ok,X509_STORE_CTX *ctx)) | |
d02b48c6 RE |
662 | { |
663 | s->verify_mode=mode; | |
664 | if (callback != NULL) | |
665 | s->verify_callback=callback; | |
666 | } | |
667 | ||
7f89714e BM |
668 | void SSL_set_verify_depth(SSL *s,int depth) |
669 | { | |
670 | s->verify_depth=depth; | |
671 | } | |
672 | ||
4f43d0e7 | 673 | void SSL_set_read_ahead(SSL *s,int yes) |
d02b48c6 RE |
674 | { |
675 | s->read_ahead=yes; | |
676 | } | |
677 | ||
4f43d0e7 | 678 | int SSL_get_read_ahead(SSL *s) |
d02b48c6 RE |
679 | { |
680 | return(s->read_ahead); | |
681 | } | |
682 | ||
4f43d0e7 | 683 | int SSL_pending(SSL *s) |
d02b48c6 | 684 | { |
24b44446 BM |
685 | /* SSL_pending cannot work properly if read-ahead is enabled |
686 | * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), | |
687 | * and it is impossible to fix since SSL_pending cannot report | |
688 | * errors that may be observed while scanning the new data. | |
689 | * (Note that SSL_pending() is often used as a boolean value, | |
690 | * so we'd better not return -1.) | |
691 | */ | |
d02b48c6 RE |
692 | return(s->method->ssl_pending(s)); |
693 | } | |
694 | ||
4f43d0e7 | 695 | X509 *SSL_get_peer_certificate(SSL *s) |
d02b48c6 RE |
696 | { |
697 | X509 *r; | |
698 | ||
699 | if ((s == NULL) || (s->session == NULL)) | |
700 | r=NULL; | |
701 | else | |
702 | r=s->session->peer; | |
703 | ||
704 | if (r == NULL) return(r); | |
705 | ||
706 | CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509); | |
707 | ||
708 | return(r); | |
709 | } | |
710 | ||
f73e07cf | 711 | STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s) |
d02b48c6 | 712 | { |
f73e07cf | 713 | STACK_OF(X509) *r; |
d02b48c6 | 714 | |
9d5cceac | 715 | if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL)) |
d02b48c6 RE |
716 | r=NULL; |
717 | else | |
9d5cceac | 718 | r=s->session->sess_cert->cert_chain; |
d02b48c6 | 719 | |
98e04f9e BM |
720 | /* If we are a client, cert_chain includes the peer's own |
721 | * certificate; if we are a server, it does not. */ | |
722 | ||
d02b48c6 RE |
723 | return(r); |
724 | } | |
725 | ||
726 | /* Now in theory, since the calling process own 't' it should be safe to | |
727 | * modify. We need to be able to read f without being hassled */ | |
4f43d0e7 | 728 | void SSL_copy_session_id(SSL *t,SSL *f) |
d02b48c6 RE |
729 | { |
730 | CERT *tmp; | |
731 | ||
732 | /* Do we need to to SSL locking? */ | |
733 | SSL_set_session(t,SSL_get_session(f)); | |
734 | ||
735 | /* what if we are setup as SSLv2 but want to talk SSLv3 or | |
736 | * vice-versa */ | |
737 | if (t->method != f->method) | |
738 | { | |
739 | t->method->ssl_free(t); /* cleanup current */ | |
740 | t->method=f->method; /* change method */ | |
741 | t->method->ssl_new(t); /* setup new */ | |
742 | } | |
743 | ||
744 | tmp=t->cert; | |
745 | if (f->cert != NULL) | |
746 | { | |
747 | CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT); | |
748 | t->cert=f->cert; | |
749 | } | |
750 | else | |
751 | t->cert=NULL; | |
752 | if (tmp != NULL) ssl_cert_free(tmp); | |
b4cadc6e | 753 | SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length); |
d02b48c6 RE |
754 | } |
755 | ||
58964a49 | 756 | /* Fix this so it checks all the valid key/cert options */ |
4f43d0e7 | 757 | int SSL_CTX_check_private_key(SSL_CTX *ctx) |
d02b48c6 RE |
758 | { |
759 | if ( (ctx == NULL) || | |
ca8e5b9b BM |
760 | (ctx->cert == NULL) || |
761 | (ctx->cert->key->x509 == NULL)) | |
d02b48c6 RE |
762 | { |
763 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
764 | return(0); | |
765 | } | |
ca8e5b9b | 766 | if (ctx->cert->key->privatekey == NULL) |
d02b48c6 RE |
767 | { |
768 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
769 | return(0); | |
770 | } | |
ca8e5b9b | 771 | return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey)); |
d02b48c6 RE |
772 | } |
773 | ||
58964a49 | 774 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 775 | int SSL_check_private_key(SSL *ssl) |
d02b48c6 RE |
776 | { |
777 | if (ssl == NULL) | |
778 | { | |
779 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER); | |
780 | return(0); | |
781 | } | |
f3e67ac1 | 782 | if (ssl->cert == NULL) |
2b8e4959 BM |
783 | { |
784 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
f3e67ac1 | 785 | return 0; |
2b8e4959 | 786 | } |
d02b48c6 RE |
787 | if (ssl->cert->key->x509 == NULL) |
788 | { | |
789 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
790 | return(0); | |
791 | } | |
792 | if (ssl->cert->key->privatekey == NULL) | |
793 | { | |
794 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
795 | return(0); | |
796 | } | |
797 | return(X509_check_private_key(ssl->cert->key->x509, | |
798 | ssl->cert->key->privatekey)); | |
799 | } | |
800 | ||
4f43d0e7 | 801 | int SSL_accept(SSL *s) |
d02b48c6 | 802 | { |
b31b04d9 BM |
803 | if (s->handshake_func == 0) |
804 | /* Not properly initialized yet */ | |
805 | SSL_set_accept_state(s); | |
806 | ||
d02b48c6 RE |
807 | return(s->method->ssl_accept(s)); |
808 | } | |
809 | ||
4f43d0e7 | 810 | int SSL_connect(SSL *s) |
d02b48c6 | 811 | { |
b31b04d9 BM |
812 | if (s->handshake_func == 0) |
813 | /* Not properly initialized yet */ | |
814 | SSL_set_connect_state(s); | |
815 | ||
d02b48c6 RE |
816 | return(s->method->ssl_connect(s)); |
817 | } | |
818 | ||
4f43d0e7 | 819 | long SSL_get_default_timeout(SSL *s) |
d02b48c6 RE |
820 | { |
821 | return(s->method->get_timeout()); | |
822 | } | |
823 | ||
e34cfcf7 | 824 | int SSL_read(SSL *s,void *buf,int num) |
d02b48c6 | 825 | { |
b31b04d9 BM |
826 | if (s->handshake_func == 0) |
827 | { | |
ff712220 | 828 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
829 | return -1; |
830 | } | |
831 | ||
d02b48c6 RE |
832 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
833 | { | |
834 | s->rwstate=SSL_NOTHING; | |
835 | return(0); | |
836 | } | |
837 | return(s->method->ssl_read(s,buf,num)); | |
838 | } | |
839 | ||
e34cfcf7 | 840 | int SSL_peek(SSL *s,void *buf,int num) |
d02b48c6 | 841 | { |
5451e0d9 BM |
842 | if (s->handshake_func == 0) |
843 | { | |
844 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); | |
845 | return -1; | |
846 | } | |
847 | ||
d02b48c6 RE |
848 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
849 | { | |
850 | return(0); | |
851 | } | |
852 | return(s->method->ssl_peek(s,buf,num)); | |
853 | } | |
854 | ||
e34cfcf7 | 855 | int SSL_write(SSL *s,const void *buf,int num) |
d02b48c6 | 856 | { |
b31b04d9 BM |
857 | if (s->handshake_func == 0) |
858 | { | |
ff712220 | 859 | SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
860 | return -1; |
861 | } | |
862 | ||
d02b48c6 RE |
863 | if (s->shutdown & SSL_SENT_SHUTDOWN) |
864 | { | |
865 | s->rwstate=SSL_NOTHING; | |
866 | SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN); | |
867 | return(-1); | |
868 | } | |
869 | return(s->method->ssl_write(s,buf,num)); | |
870 | } | |
871 | ||
4f43d0e7 | 872 | int SSL_shutdown(SSL *s) |
d02b48c6 | 873 | { |
d3407350 | 874 | /* Note that this function behaves differently from what one might |
e2e3d5ce BM |
875 | * expect. Return values are 0 for no success (yet), |
876 | * 1 for success; but calling it once is usually not enough, | |
877 | * even if blocking I/O is used (see ssl3_shutdown). | |
878 | */ | |
879 | ||
b31b04d9 BM |
880 | if (s->handshake_func == 0) |
881 | { | |
ff712220 | 882 | SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
883 | return -1; |
884 | } | |
885 | ||
d02b48c6 RE |
886 | if ((s != NULL) && !SSL_in_init(s)) |
887 | return(s->method->ssl_shutdown(s)); | |
888 | else | |
889 | return(1); | |
890 | } | |
891 | ||
4f43d0e7 | 892 | int SSL_renegotiate(SSL *s) |
d02b48c6 | 893 | { |
8c74b5e5 BM |
894 | if (s->new_session == 0) |
895 | { | |
896 | s->new_session=1; | |
897 | } | |
d02b48c6 RE |
898 | return(s->method->ssl_renegotiate(s)); |
899 | } | |
900 | ||
6b0e9fac BM |
901 | int SSL_renegotiate_pending(SSL *s) |
902 | { | |
903 | /* becomes true when negotiation is requested; | |
904 | * false again once a handshake has finished */ | |
905 | return (s->new_session != 0); | |
906 | } | |
907 | ||
a661b653 | 908 | long SSL_ctrl(SSL *s,int cmd,long larg,void *parg) |
d02b48c6 | 909 | { |
413c4f45 MC |
910 | long l; |
911 | ||
912 | switch (cmd) | |
913 | { | |
914 | case SSL_CTRL_GET_READ_AHEAD: | |
915 | return(s->read_ahead); | |
916 | case SSL_CTRL_SET_READ_AHEAD: | |
917 | l=s->read_ahead; | |
918 | s->read_ahead=larg; | |
919 | return(l); | |
bf21446a BM |
920 | |
921 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
922 | s->msg_callback_arg = parg; | |
923 | return 1; | |
924 | ||
413c4f45 MC |
925 | case SSL_CTRL_OPTIONS: |
926 | return(s->options|=larg); | |
e1056435 BM |
927 | case SSL_CTRL_MODE: |
928 | return(s->mode|=larg); | |
c0f5dd07 LJ |
929 | case SSL_CTRL_GET_MAX_CERT_LIST: |
930 | return(s->max_cert_list); | |
931 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
932 | l=s->max_cert_list; | |
933 | s->max_cert_list=larg; | |
934 | return(l); | |
413c4f45 MC |
935 | default: |
936 | return(s->method->ssl_ctrl(s,cmd,larg,parg)); | |
937 | } | |
d02b48c6 RE |
938 | } |
939 | ||
d3442bc7 RL |
940 | long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)()) |
941 | { | |
942 | switch(cmd) | |
943 | { | |
bf21446a | 944 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 945 | 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 |
946 | return 1; |
947 | ||
d3442bc7 RL |
948 | default: |
949 | return(s->method->ssl_callback_ctrl(s,cmd,fp)); | |
950 | } | |
951 | } | |
952 | ||
1e7396be RL |
953 | struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx) |
954 | { | |
955 | return ctx->sessions; | |
956 | } | |
957 | ||
a661b653 | 958 | long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg) |
d02b48c6 | 959 | { |
413c4f45 MC |
960 | long l; |
961 | ||
962 | switch (cmd) | |
963 | { | |
964 | case SSL_CTRL_GET_READ_AHEAD: | |
965 | return(ctx->read_ahead); | |
966 | case SSL_CTRL_SET_READ_AHEAD: | |
967 | l=ctx->read_ahead; | |
968 | ctx->read_ahead=larg; | |
969 | return(l); | |
bf21446a BM |
970 | |
971 | case SSL_CTRL_SET_MSG_CALLBACK_ARG: | |
972 | ctx->msg_callback_arg = parg; | |
973 | return 1; | |
974 | ||
c0f5dd07 LJ |
975 | case SSL_CTRL_GET_MAX_CERT_LIST: |
976 | return(ctx->max_cert_list); | |
977 | case SSL_CTRL_SET_MAX_CERT_LIST: | |
978 | l=ctx->max_cert_list; | |
979 | ctx->max_cert_list=larg; | |
980 | return(l); | |
413c4f45 MC |
981 | |
982 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
983 | l=ctx->session_cache_size; | |
984 | ctx->session_cache_size=larg; | |
985 | return(l); | |
986 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
987 | return(ctx->session_cache_size); | |
988 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
989 | l=ctx->session_cache_mode; | |
990 | ctx->session_cache_mode=larg; | |
991 | return(l); | |
992 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
993 | return(ctx->session_cache_mode); | |
994 | ||
995 | case SSL_CTRL_SESS_NUMBER: | |
996 | return(ctx->sessions->num_items); | |
997 | case SSL_CTRL_SESS_CONNECT: | |
998 | return(ctx->stats.sess_connect); | |
999 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
1000 | return(ctx->stats.sess_connect_good); | |
1001 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
1002 | return(ctx->stats.sess_connect_renegotiate); | |
1003 | case SSL_CTRL_SESS_ACCEPT: | |
1004 | return(ctx->stats.sess_accept); | |
1005 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
1006 | return(ctx->stats.sess_accept_good); | |
1007 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
1008 | return(ctx->stats.sess_accept_renegotiate); | |
1009 | case SSL_CTRL_SESS_HIT: | |
1010 | return(ctx->stats.sess_hit); | |
1011 | case SSL_CTRL_SESS_CB_HIT: | |
1012 | return(ctx->stats.sess_cb_hit); | |
1013 | case SSL_CTRL_SESS_MISSES: | |
1014 | return(ctx->stats.sess_miss); | |
1015 | case SSL_CTRL_SESS_TIMEOUTS: | |
1016 | return(ctx->stats.sess_timeout); | |
1017 | case SSL_CTRL_SESS_CACHE_FULL: | |
1018 | return(ctx->stats.sess_cache_full); | |
1019 | case SSL_CTRL_OPTIONS: | |
1020 | return(ctx->options|=larg); | |
e1056435 BM |
1021 | case SSL_CTRL_MODE: |
1022 | return(ctx->mode|=larg); | |
413c4f45 MC |
1023 | default: |
1024 | return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg)); | |
1025 | } | |
d02b48c6 RE |
1026 | } |
1027 | ||
d3442bc7 RL |
1028 | long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)()) |
1029 | { | |
1030 | switch(cmd) | |
1031 | { | |
bf21446a | 1032 | case SSL_CTRL_SET_MSG_CALLBACK: |
a661b653 | 1033 | 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 |
1034 | return 1; |
1035 | ||
d3442bc7 RL |
1036 | default: |
1037 | return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp)); | |
1038 | } | |
1039 | } | |
1040 | ||
ccd86b68 | 1041 | int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) |
d02b48c6 RE |
1042 | { |
1043 | long l; | |
1044 | ||
1045 | l=a->id-b->id; | |
1046 | if (l == 0L) | |
1047 | return(0); | |
1048 | else | |
1049 | return((l > 0)?1:-1); | |
1050 | } | |
1051 | ||
ccd86b68 GT |
1052 | int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, |
1053 | const SSL_CIPHER * const *bp) | |
d02b48c6 RE |
1054 | { |
1055 | long l; | |
1056 | ||
1057 | l=(*ap)->id-(*bp)->id; | |
1058 | if (l == 0L) | |
1059 | return(0); | |
1060 | else | |
1061 | return((l > 0)?1:-1); | |
1062 | } | |
1063 | ||
4f43d0e7 | 1064 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1065 | * preference */ |
f73e07cf | 1066 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s) |
d02b48c6 RE |
1067 | { |
1068 | if ((s != NULL) && (s->cipher_list != NULL)) | |
1069 | { | |
1070 | return(s->cipher_list); | |
1071 | } | |
58964a49 | 1072 | else if ((s->ctx != NULL) && |
d02b48c6 RE |
1073 | (s->ctx->cipher_list != NULL)) |
1074 | { | |
1075 | return(s->ctx->cipher_list); | |
1076 | } | |
1077 | return(NULL); | |
1078 | } | |
1079 | ||
4f43d0e7 | 1080 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 1081 | * algorithm id */ |
f73e07cf | 1082 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
d02b48c6 RE |
1083 | { |
1084 | if ((s != NULL) && (s->cipher_list_by_id != NULL)) | |
1085 | { | |
1086 | return(s->cipher_list_by_id); | |
1087 | } | |
1088 | else if ((s != NULL) && (s->ctx != NULL) && | |
1089 | (s->ctx->cipher_list_by_id != NULL)) | |
1090 | { | |
1091 | return(s->ctx->cipher_list_by_id); | |
1092 | } | |
1093 | return(NULL); | |
1094 | } | |
1095 | ||
4f43d0e7 | 1096 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
e778802f | 1097 | const char *SSL_get_cipher_list(SSL *s,int n) |
d02b48c6 RE |
1098 | { |
1099 | SSL_CIPHER *c; | |
f73e07cf | 1100 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1101 | |
1102 | if (s == NULL) return(NULL); | |
1103 | sk=SSL_get_ciphers(s); | |
f73e07cf | 1104 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) |
d02b48c6 | 1105 | return(NULL); |
f73e07cf | 1106 | c=sk_SSL_CIPHER_value(sk,n); |
d02b48c6 RE |
1107 | if (c == NULL) return(NULL); |
1108 | return(c->name); | |
1109 | } | |
1110 | ||
25f923dd | 1111 | /** specify the ciphers to be used by default by the SSL_CTX */ |
018e57c7 | 1112 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) |
d02b48c6 | 1113 | { |
f73e07cf | 1114 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1115 | |
1116 | sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list, | |
1117 | &ctx->cipher_list_by_id,str); | |
1118 | /* XXXX */ | |
1119 | return((sk == NULL)?0:1); | |
1120 | } | |
1121 | ||
4f43d0e7 | 1122 | /** specify the ciphers to be used by the SSL */ |
018e57c7 | 1123 | int SSL_set_cipher_list(SSL *s,const char *str) |
d02b48c6 | 1124 | { |
f73e07cf | 1125 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1126 | |
1127 | sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list, | |
1128 | &s->cipher_list_by_id,str); | |
1129 | /* XXXX */ | |
1130 | return((sk == NULL)?0:1); | |
1131 | } | |
1132 | ||
1133 | /* works well for SSLv2, not so good for SSLv3 */ | |
4f43d0e7 | 1134 | char *SSL_get_shared_ciphers(SSL *s,char *buf,int len) |
d02b48c6 | 1135 | { |
e778802f BL |
1136 | char *p; |
1137 | const char *cp; | |
f73e07cf | 1138 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1139 | SSL_CIPHER *c; |
1140 | int i; | |
1141 | ||
1142 | if ((s->session == NULL) || (s->session->ciphers == NULL) || | |
1143 | (len < 2)) | |
1144 | return(NULL); | |
1145 | ||
1146 | p=buf; | |
1147 | sk=s->session->ciphers; | |
f73e07cf | 1148 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1149 | { |
58964a49 RE |
1150 | /* Decrement for either the ':' or a '\0' */ |
1151 | len--; | |
f73e07cf | 1152 | c=sk_SSL_CIPHER_value(sk,i); |
d02b48c6 RE |
1153 | for (cp=c->name; *cp; ) |
1154 | { | |
58964a49 | 1155 | if (len-- == 0) |
d02b48c6 RE |
1156 | { |
1157 | *p='\0'; | |
1158 | return(buf); | |
1159 | } | |
1160 | else | |
1161 | *(p++)= *(cp++); | |
1162 | } | |
1163 | *(p++)=':'; | |
1164 | } | |
1165 | p[-1]='\0'; | |
1166 | return(buf); | |
1167 | } | |
1168 | ||
f73e07cf | 1169 | int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p) |
d02b48c6 RE |
1170 | { |
1171 | int i,j=0; | |
1172 | SSL_CIPHER *c; | |
1173 | unsigned char *q; | |
a5224c34 RL |
1174 | #ifndef OPENSSL_NO_KRB5 |
1175 | int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx); | |
1176 | #endif /* OPENSSL_NO_KRB5 */ | |
d02b48c6 RE |
1177 | |
1178 | if (sk == NULL) return(0); | |
1179 | q=p; | |
1180 | ||
f73e07cf | 1181 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 1182 | { |
f73e07cf | 1183 | c=sk_SSL_CIPHER_value(sk,i); |
a5224c34 RL |
1184 | #ifndef OPENSSL_NO_KRB5 |
1185 | if ((c->algorithms & SSL_KRB5) && nokrb5) | |
1186 | continue; | |
1187 | #endif /* OPENSSL_NO_KRB5 */ | |
d02b48c6 RE |
1188 | j=ssl_put_cipher_by_char(s,c,p); |
1189 | p+=j; | |
1190 | } | |
1191 | return(p-q); | |
1192 | } | |
1193 | ||
f73e07cf BL |
1194 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, |
1195 | STACK_OF(SSL_CIPHER) **skp) | |
d02b48c6 RE |
1196 | { |
1197 | SSL_CIPHER *c; | |
f73e07cf | 1198 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
1199 | int i,n; |
1200 | ||
1201 | n=ssl_put_cipher_by_char(s,NULL,NULL); | |
1202 | if ((num%n) != 0) | |
1203 | { | |
1204 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); | |
1205 | return(NULL); | |
1206 | } | |
1207 | if ((skp == NULL) || (*skp == NULL)) | |
62324627 | 1208 | sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */ |
d02b48c6 RE |
1209 | else |
1210 | { | |
1211 | sk= *skp; | |
f73e07cf | 1212 | sk_SSL_CIPHER_zero(sk); |
d02b48c6 RE |
1213 | } |
1214 | ||
1215 | for (i=0; i<num; i+=n) | |
1216 | { | |
1217 | c=ssl_get_cipher_by_char(s,p); | |
1218 | p+=n; | |
1219 | if (c != NULL) | |
1220 | { | |
f73e07cf | 1221 | if (!sk_SSL_CIPHER_push(sk,c)) |
d02b48c6 RE |
1222 | { |
1223 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE); | |
1224 | goto err; | |
1225 | } | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | if (skp != NULL) | |
1230 | *skp=sk; | |
1231 | return(sk); | |
1232 | err: | |
1233 | if ((skp == NULL) || (*skp == NULL)) | |
f73e07cf | 1234 | sk_SSL_CIPHER_free(sk); |
d02b48c6 RE |
1235 | return(NULL); |
1236 | } | |
1237 | ||
4f43d0e7 | 1238 | unsigned long SSL_SESSION_hash(SSL_SESSION *a) |
d02b48c6 RE |
1239 | { |
1240 | unsigned long l; | |
1241 | ||
dfeab068 RE |
1242 | l=(unsigned long) |
1243 | ((unsigned int) a->session_id[0] )| | |
1244 | ((unsigned int) a->session_id[1]<< 8L)| | |
1245 | ((unsigned long)a->session_id[2]<<16L)| | |
1246 | ((unsigned long)a->session_id[3]<<24L); | |
d02b48c6 RE |
1247 | return(l); |
1248 | } | |
1249 | ||
dc644fe2 GT |
1250 | /* NB: If this function (or indeed the hash function which uses a sort of |
1251 | * coarser function than this one) is changed, ensure | |
1252 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being | |
1253 | * able to construct an SSL_SESSION that will collide with any existing session | |
1254 | * with a matching session ID. */ | |
4f43d0e7 | 1255 | int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b) |
d02b48c6 | 1256 | { |
58964a49 RE |
1257 | if (a->ssl_version != b->ssl_version) |
1258 | return(1); | |
1259 | if (a->session_id_length != b->session_id_length) | |
1260 | return(1); | |
1261 | return(memcmp(a->session_id,b->session_id,a->session_id_length)); | |
d02b48c6 RE |
1262 | } |
1263 | ||
d0fa136c GT |
1264 | /* These wrapper functions should remain rather than redeclaring |
1265 | * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each | |
1266 | * variable. The reason is that the functions aren't static, they're exposed via | |
1267 | * ssl.h. */ | |
97b17195 GT |
1268 | static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *) |
1269 | static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *) | |
1270 | ||
4f43d0e7 | 1271 | SSL_CTX *SSL_CTX_new(SSL_METHOD *meth) |
d02b48c6 | 1272 | { |
dfeab068 | 1273 | SSL_CTX *ret=NULL; |
d02b48c6 RE |
1274 | |
1275 | if (meth == NULL) | |
1276 | { | |
1277 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED); | |
1278 | return(NULL); | |
1279 | } | |
dfeab068 RE |
1280 | |
1281 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) | |
1282 | { | |
1283 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
1284 | goto err; | |
1285 | } | |
26a3a48d | 1286 | ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX)); |
d02b48c6 RE |
1287 | if (ret == NULL) |
1288 | goto err; | |
1289 | ||
1290 | memset(ret,0,sizeof(SSL_CTX)); | |
1291 | ||
1292 | ret->method=meth; | |
1293 | ||
1294 | ret->cert_store=NULL; | |
1295 | ret->session_cache_mode=SSL_SESS_CACHE_SERVER; | |
58964a49 RE |
1296 | ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
1297 | ret->session_cache_head=NULL; | |
1298 | ret->session_cache_tail=NULL; | |
d02b48c6 RE |
1299 | |
1300 | /* We take the system default */ | |
1301 | ret->session_timeout=meth->get_timeout(); | |
1302 | ||
bf21446a BM |
1303 | ret->new_session_cb=0; |
1304 | ret->remove_session_cb=0; | |
1305 | ret->get_session_cb=0; | |
1306 | ret->generate_session_id=0; | |
d02b48c6 | 1307 | |
413c4f45 | 1308 | memset((char *)&ret->stats,0,sizeof(ret->stats)); |
d02b48c6 RE |
1309 | |
1310 | ret->references=1; | |
1311 | ret->quiet_shutdown=0; | |
1312 | ||
1313 | /* ret->cipher=NULL;*/ | |
1314 | /* ret->s2->challenge=NULL; | |
1315 | ret->master_key=NULL; | |
1316 | ret->key_arg=NULL; | |
1317 | ret->s2->conn_id=NULL; */ | |
1318 | ||
45d87a1f | 1319 | ret->info_callback=NULL; |
d02b48c6 | 1320 | |
bf21446a | 1321 | ret->app_verify_callback=0; |
d02b48c6 RE |
1322 | ret->app_verify_arg=NULL; |
1323 | ||
c0f5dd07 | 1324 | ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT; |
413c4f45 | 1325 | ret->read_ahead=0; |
bf21446a BM |
1326 | ret->msg_callback=0; |
1327 | ret->msg_callback_arg=NULL; | |
413c4f45 | 1328 | ret->verify_mode=SSL_VERIFY_NONE; |
7f89714e | 1329 | ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */ |
bf21446a | 1330 | ret->sid_ctx_length=0; |
d02b48c6 | 1331 | ret->default_verify_callback=NULL; |
ca8e5b9b | 1332 | if ((ret->cert=ssl_cert_new()) == NULL) |
d02b48c6 RE |
1333 | goto err; |
1334 | ||
bf21446a | 1335 | ret->default_passwd_callback=0; |
74678cc2 | 1336 | ret->default_passwd_callback_userdata=NULL; |
bf21446a | 1337 | ret->client_cert_cb=0; |
d02b48c6 | 1338 | |
97b17195 GT |
1339 | ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash), |
1340 | LHASH_COMP_FN(SSL_SESSION_cmp)); | |
d02b48c6 RE |
1341 | if (ret->sessions == NULL) goto err; |
1342 | ret->cert_store=X509_STORE_new(); | |
1343 | if (ret->cert_store == NULL) goto err; | |
1344 | ||
1345 | ssl_create_cipher_list(ret->method, | |
1346 | &ret->cipher_list,&ret->cipher_list_by_id, | |
1347 | SSL_DEFAULT_CIPHER_LIST); | |
f73e07cf BL |
1348 | if (ret->cipher_list == NULL |
1349 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) | |
d02b48c6 RE |
1350 | { |
1351 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS); | |
1352 | goto err2; | |
1353 | } | |
1354 | ||
58964a49 RE |
1355 | if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL) |
1356 | { | |
1357 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES); | |
1358 | goto err2; | |
1359 | } | |
1360 | if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL) | |
1361 | { | |
1362 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
1363 | goto err2; | |
1364 | } | |
1365 | if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL) | |
1366 | { | |
1367 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
1368 | goto err2; | |
1369 | } | |
1370 | ||
f73e07cf | 1371 | if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL) |
d02b48c6 RE |
1372 | goto err; |
1373 | ||
79aa04ef | 1374 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data); |
58964a49 | 1375 | |
dfeab068 | 1376 | ret->extra_certs=NULL; |
413c4f45 | 1377 | ret->comp_methods=SSL_COMP_get_compression_methods(); |
dfeab068 | 1378 | |
d02b48c6 RE |
1379 | return(ret); |
1380 | err: | |
1381 | SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE); | |
1382 | err2: | |
1383 | if (ret != NULL) SSL_CTX_free(ret); | |
1384 | return(NULL); | |
1385 | } | |
1386 | ||
0826c85f | 1387 | #if 0 |
f73e07cf | 1388 | static void SSL_COMP_free(SSL_COMP *comp) |
26a3a48d | 1389 | { OPENSSL_free(comp); } |
0826c85f | 1390 | #endif |
f73e07cf | 1391 | |
4f43d0e7 | 1392 | void SSL_CTX_free(SSL_CTX *a) |
d02b48c6 RE |
1393 | { |
1394 | int i; | |
1395 | ||
1396 | if (a == NULL) return; | |
1397 | ||
1398 | i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX); | |
58964a49 RE |
1399 | #ifdef REF_PRINT |
1400 | REF_PRINT("SSL_CTX",a); | |
1401 | #endif | |
d02b48c6 RE |
1402 | if (i > 0) return; |
1403 | #ifdef REF_CHECK | |
1404 | if (i < 0) | |
1405 | { | |
1406 | fprintf(stderr,"SSL_CTX_free, bad reference count\n"); | |
1407 | abort(); /* ok */ | |
1408 | } | |
1409 | #endif | |
79aa04ef | 1410 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); |
d02b48c6 RE |
1411 | |
1412 | if (a->sessions != NULL) | |
1413 | { | |
1414 | SSL_CTX_flush_sessions(a,0); | |
1415 | lh_free(a->sessions); | |
1416 | } | |
1417 | if (a->cert_store != NULL) | |
1418 | X509_STORE_free(a->cert_store); | |
1419 | if (a->cipher_list != NULL) | |
f73e07cf | 1420 | sk_SSL_CIPHER_free(a->cipher_list); |
d02b48c6 | 1421 | if (a->cipher_list_by_id != NULL) |
f73e07cf | 1422 | sk_SSL_CIPHER_free(a->cipher_list_by_id); |
ca8e5b9b BM |
1423 | if (a->cert != NULL) |
1424 | ssl_cert_free(a->cert); | |
d02b48c6 | 1425 | if (a->client_CA != NULL) |
f73e07cf | 1426 | sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free); |
dfeab068 | 1427 | if (a->extra_certs != NULL) |
f73e07cf | 1428 | sk_X509_pop_free(a->extra_certs,X509_free); |
cd9b7d7c | 1429 | #if 0 /* This should never be done, since it removes a global database */ |
413c4f45 | 1430 | if (a->comp_methods != NULL) |
f73e07cf | 1431 | sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free); |
cd9b7d7c RL |
1432 | #else |
1433 | a->comp_methods = NULL; | |
1434 | #endif | |
26a3a48d | 1435 | OPENSSL_free(a); |
d02b48c6 RE |
1436 | } |
1437 | ||
3ae76679 | 1438 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
d02b48c6 RE |
1439 | { |
1440 | ctx->default_passwd_callback=cb; | |
1441 | } | |
1442 | ||
74678cc2 BM |
1443 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u) |
1444 | { | |
1445 | ctx->default_passwd_callback_userdata=u; | |
1446 | } | |
1447 | ||
a74c55cd | 1448 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg) |
d02b48c6 | 1449 | { |
204cf1ab BM |
1450 | /* now |
1451 | * int (*cb)(X509_STORE_CTX *), | |
1452 | * but should be | |
1453 | * int (*cb)(X509_STORE_CTX *, void *arg) | |
1454 | */ | |
d02b48c6 | 1455 | ctx->app_verify_callback=cb; |
5e636919 | 1456 | ctx->app_verify_arg=arg; /* never used */ |
d02b48c6 RE |
1457 | } |
1458 | ||
4f43d0e7 | 1459 | void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *)) |
d02b48c6 | 1460 | { |
413c4f45 | 1461 | ctx->verify_mode=mode; |
d02b48c6 | 1462 | ctx->default_verify_callback=cb; |
d02b48c6 RE |
1463 | } |
1464 | ||
7f89714e BM |
1465 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth) |
1466 | { | |
1467 | ctx->verify_depth=depth; | |
1468 | } | |
1469 | ||
ca8e5b9b | 1470 | void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher) |
d02b48c6 RE |
1471 | { |
1472 | CERT_PKEY *cpk; | |
1473 | int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign; | |
1474 | int rsa_enc_export,dh_rsa_export,dh_dsa_export; | |
60e31c3a | 1475 | int rsa_tmp_export,dh_tmp_export,kl; |
d02b48c6 RE |
1476 | unsigned long mask,emask; |
1477 | ||
f415fa32 | 1478 | if (c == NULL) return; |
d02b48c6 | 1479 | |
60e31c3a BL |
1480 | kl=SSL_C_EXPORT_PKEYLENGTH(cipher); |
1481 | ||
bc36ee62 | 1482 | #ifndef OPENSSL_NO_RSA |
ca8e5b9b BM |
1483 | rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); |
1484 | rsa_tmp_export=(c->rsa_tmp_cb != NULL || | |
60e31c3a | 1485 | (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl)); |
d02b48c6 RE |
1486 | #else |
1487 | rsa_tmp=rsa_tmp_export=0; | |
1488 | #endif | |
bc36ee62 | 1489 | #ifndef OPENSSL_NO_DH |
ca8e5b9b BM |
1490 | dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL); |
1491 | dh_tmp_export=(c->dh_tmp_cb != NULL || | |
60e31c3a | 1492 | (dh_tmp && DH_size(c->dh_tmp)*8 <= kl)); |
d02b48c6 RE |
1493 | #else |
1494 | dh_tmp=dh_tmp_export=0; | |
1495 | #endif | |
1496 | ||
1497 | cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]); | |
60e31c3a BL |
1498 | rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1499 | rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 | 1500 | cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]); |
60e31c3a | 1501 | rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1502 | cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]); |
60e31c3a | 1503 | dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1504 | cpk= &(c->pkeys[SSL_PKEY_DH_RSA]); |
60e31c3a BL |
1505 | dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1506 | dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1507 | cpk= &(c->pkeys[SSL_PKEY_DH_DSA]); |
1508 | /* FIX THIS EAY EAY EAY */ | |
60e31c3a BL |
1509 | dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1510 | dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1511 | |
1512 | mask=0; | |
1513 | emask=0; | |
1514 | ||
1515 | #ifdef CIPHER_DEBUG | |
f415fa32 BL |
1516 | printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", |
1517 | rsa_tmp,rsa_tmp_export,dh_tmp, | |
1518 | rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa); | |
d02b48c6 RE |
1519 | #endif |
1520 | ||
1521 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
1522 | mask|=SSL_kRSA; | |
f415fa32 | 1523 | if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) |
d02b48c6 RE |
1524 | emask|=SSL_kRSA; |
1525 | ||
1526 | #if 0 | |
1527 | /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */ | |
1528 | if ( (dh_tmp || dh_rsa || dh_dsa) && | |
1529 | (rsa_enc || rsa_sign || dsa_sign)) | |
1530 | mask|=SSL_kEDH; | |
1531 | if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) && | |
1532 | (rsa_enc || rsa_sign || dsa_sign)) | |
1533 | emask|=SSL_kEDH; | |
1534 | #endif | |
1535 | ||
1536 | if (dh_tmp_export) | |
1537 | emask|=SSL_kEDH; | |
1538 | ||
1539 | if (dh_tmp) | |
1540 | mask|=SSL_kEDH; | |
1541 | ||
1542 | if (dh_rsa) mask|=SSL_kDHr; | |
1543 | if (dh_rsa_export) emask|=SSL_kDHr; | |
1544 | ||
1545 | if (dh_dsa) mask|=SSL_kDHd; | |
1546 | if (dh_dsa_export) emask|=SSL_kDHd; | |
1547 | ||
1548 | if (rsa_enc || rsa_sign) | |
1549 | { | |
1550 | mask|=SSL_aRSA; | |
1551 | emask|=SSL_aRSA; | |
1552 | } | |
1553 | ||
1554 | if (dsa_sign) | |
1555 | { | |
1556 | mask|=SSL_aDSS; | |
1557 | emask|=SSL_aDSS; | |
1558 | } | |
1559 | ||
d02b48c6 RE |
1560 | mask|=SSL_aNULL; |
1561 | emask|=SSL_aNULL; | |
d02b48c6 | 1562 | |
bc36ee62 | 1563 | #ifndef OPENSSL_NO_KRB5 |
f9b3bff6 RL |
1564 | mask|=SSL_kKRB5|SSL_aKRB5; |
1565 | emask|=SSL_kKRB5|SSL_aKRB5; | |
1566 | #endif | |
1567 | ||
d02b48c6 RE |
1568 | c->mask=mask; |
1569 | c->export_mask=emask; | |
1570 | c->valid=1; | |
1571 | } | |
1572 | ||
1573 | /* THIS NEEDS CLEANING UP */ | |
4f43d0e7 | 1574 | X509 *ssl_get_server_send_cert(SSL *s) |
d02b48c6 RE |
1575 | { |
1576 | unsigned long alg,mask,kalg; | |
1577 | CERT *c; | |
df63a389 | 1578 | int i,is_export; |
d02b48c6 RE |
1579 | |
1580 | c=s->cert; | |
ca8e5b9b | 1581 | ssl_set_cert_masks(c, s->s3->tmp.new_cipher); |
d02b48c6 | 1582 | alg=s->s3->tmp.new_cipher->algorithms; |
018e57c7 | 1583 | is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher); |
df63a389 | 1584 | mask=is_export?c->export_mask:c->mask; |
d02b48c6 RE |
1585 | kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK); |
1586 | ||
1587 | if (kalg & SSL_kDHr) | |
1588 | i=SSL_PKEY_DH_RSA; | |
1589 | else if (kalg & SSL_kDHd) | |
1590 | i=SSL_PKEY_DH_DSA; | |
1591 | else if (kalg & SSL_aDSS) | |
1592 | i=SSL_PKEY_DSA_SIGN; | |
1593 | else if (kalg & SSL_aRSA) | |
1594 | { | |
1595 | if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL) | |
1596 | i=SSL_PKEY_RSA_SIGN; | |
1597 | else | |
1598 | i=SSL_PKEY_RSA_ENC; | |
1599 | } | |
f9b3bff6 RL |
1600 | else if (kalg & SSL_aKRB5) |
1601 | { | |
1602 | /* VRS something else here? */ | |
1603 | return(NULL); | |
1604 | } | |
d02b48c6 RE |
1605 | else /* if (kalg & SSL_aNULL) */ |
1606 | { | |
5277d7cb | 1607 | SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
1608 | return(NULL); |
1609 | } | |
1610 | if (c->pkeys[i].x509 == NULL) return(NULL); | |
1611 | return(c->pkeys[i].x509); | |
1612 | } | |
1613 | ||
4f43d0e7 | 1614 | EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher) |
d02b48c6 RE |
1615 | { |
1616 | unsigned long alg; | |
1617 | CERT *c; | |
1618 | ||
1619 | alg=cipher->algorithms; | |
1620 | c=s->cert; | |
1621 | ||
1622 | if ((alg & SSL_aDSS) && | |
1623 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) | |
1624 | return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey); | |
1625 | else if (alg & SSL_aRSA) | |
1626 | { | |
1627 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
1628 | return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey); | |
1629 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
1630 | return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey); | |
1631 | else | |
1632 | return(NULL); | |
1633 | } | |
1634 | else /* if (alg & SSL_aNULL) */ | |
1635 | { | |
5277d7cb | 1636 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR); |
d02b48c6 RE |
1637 | return(NULL); |
1638 | } | |
1639 | } | |
1640 | ||
4f43d0e7 | 1641 | void ssl_update_cache(SSL *s,int mode) |
d02b48c6 | 1642 | { |
58964a49 RE |
1643 | int i; |
1644 | ||
1645 | /* If the session_id_length is 0, we are not supposed to cache it, | |
1646 | * and it would be rather hard to do anyway :-) */ | |
1647 | if (s->session->session_id_length == 0) return; | |
1648 | ||
d02b48c6 RE |
1649 | if ((s->ctx->session_cache_mode & mode) |
1650 | && (!s->hit) | |
1651 | && SSL_CTX_add_session(s->ctx,s->session) | |
1652 | && (s->ctx->new_session_cb != NULL)) | |
1653 | { | |
58964a49 | 1654 | CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION); |
d02b48c6 RE |
1655 | if (!s->ctx->new_session_cb(s,s->session)) |
1656 | SSL_SESSION_free(s->session); | |
1657 | } | |
1658 | ||
1659 | /* auto flush every 255 connections */ | |
58964a49 RE |
1660 | i=s->ctx->session_cache_mode; |
1661 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && | |
1662 | ((i & mode) == mode)) | |
1663 | { | |
1664 | if ( (((mode & SSL_SESS_CACHE_CLIENT) | |
413c4f45 MC |
1665 | ?s->ctx->stats.sess_connect_good |
1666 | :s->ctx->stats.sess_accept_good) & 0xff) == 0xff) | |
58964a49 RE |
1667 | { |
1668 | SSL_CTX_flush_sessions(s->ctx,time(NULL)); | |
1669 | } | |
1670 | } | |
d02b48c6 RE |
1671 | } |
1672 | ||
4f43d0e7 | 1673 | SSL_METHOD *SSL_get_ssl_method(SSL *s) |
d02b48c6 RE |
1674 | { |
1675 | return(s->method); | |
1676 | } | |
1677 | ||
4f43d0e7 | 1678 | int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth) |
d02b48c6 RE |
1679 | { |
1680 | int conn= -1; | |
1681 | int ret=1; | |
1682 | ||
1683 | if (s->method != meth) | |
1684 | { | |
1685 | if (s->handshake_func != NULL) | |
1686 | conn=(s->handshake_func == s->method->ssl_connect); | |
1687 | ||
1688 | if (s->method->version == meth->version) | |
1689 | s->method=meth; | |
1690 | else | |
1691 | { | |
1692 | s->method->ssl_free(s); | |
1693 | s->method=meth; | |
1694 | ret=s->method->ssl_new(s); | |
1695 | } | |
1696 | ||
1697 | if (conn == 1) | |
1698 | s->handshake_func=meth->ssl_connect; | |
1699 | else if (conn == 0) | |
1700 | s->handshake_func=meth->ssl_accept; | |
1701 | } | |
1702 | return(ret); | |
1703 | } | |
1704 | ||
4f43d0e7 | 1705 | int SSL_get_error(SSL *s,int i) |
d02b48c6 RE |
1706 | { |
1707 | int reason; | |
413c4f45 | 1708 | unsigned long l; |
d02b48c6 RE |
1709 | BIO *bio; |
1710 | ||
1711 | if (i > 0) return(SSL_ERROR_NONE); | |
1712 | ||
413c4f45 MC |
1713 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake |
1714 | * etc, where we do encode the error */ | |
1715 | if ((l=ERR_peek_error()) != 0) | |
1716 | { | |
1717 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
1718 | return(SSL_ERROR_SYSCALL); | |
1719 | else | |
1720 | return(SSL_ERROR_SSL); | |
1721 | } | |
d02b48c6 RE |
1722 | |
1723 | if ((i < 0) && SSL_want_read(s)) | |
1724 | { | |
1725 | bio=SSL_get_rbio(s); | |
1726 | if (BIO_should_read(bio)) | |
1727 | return(SSL_ERROR_WANT_READ); | |
1728 | else if (BIO_should_write(bio)) | |
3a66e306 BM |
1729 | /* This one doesn't make too much sense ... We never try |
1730 | * to write to the rbio, and an application program where | |
1731 | * rbio and wbio are separate couldn't even know what it | |
1732 | * should wait for. | |
1733 | * However if we ever set s->rwstate incorrectly | |
1734 | * (so that we have SSL_want_read(s) instead of | |
1735 | * SSL_want_write(s)) and rbio and wbio *are* the same, | |
1736 | * this test works around that bug; so it might be safer | |
1737 | * to keep it. */ | |
d02b48c6 RE |
1738 | return(SSL_ERROR_WANT_WRITE); |
1739 | else if (BIO_should_io_special(bio)) | |
1740 | { | |
1741 | reason=BIO_get_retry_reason(bio); | |
1742 | if (reason == BIO_RR_CONNECT) | |
1743 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
1744 | else if (reason == BIO_RR_ACCEPT) |
1745 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
1746 | else |
1747 | return(SSL_ERROR_SYSCALL); /* unknown */ | |
1748 | } | |
1749 | } | |
1750 | ||
1751 | if ((i < 0) && SSL_want_write(s)) | |
1752 | { | |
1753 | bio=SSL_get_wbio(s); | |
1754 | if (BIO_should_write(bio)) | |
1755 | return(SSL_ERROR_WANT_WRITE); | |
1756 | else if (BIO_should_read(bio)) | |
3a66e306 | 1757 | /* See above (SSL_want_read(s) with BIO_should_write(bio)) */ |
d02b48c6 RE |
1758 | return(SSL_ERROR_WANT_READ); |
1759 | else if (BIO_should_io_special(bio)) | |
1760 | { | |
1761 | reason=BIO_get_retry_reason(bio); | |
1762 | if (reason == BIO_RR_CONNECT) | |
1763 | return(SSL_ERROR_WANT_CONNECT); | |
924046ce DSH |
1764 | else if (reason == BIO_RR_ACCEPT) |
1765 | return(SSL_ERROR_WANT_ACCEPT); | |
d02b48c6 RE |
1766 | else |
1767 | return(SSL_ERROR_SYSCALL); | |
1768 | } | |
1769 | } | |
1770 | if ((i < 0) && SSL_want_x509_lookup(s)) | |
1771 | { | |
1772 | return(SSL_ERROR_WANT_X509_LOOKUP); | |
1773 | } | |
1774 | ||
1775 | if (i == 0) | |
1776 | { | |
58964a49 | 1777 | if (s->version == SSL2_VERSION) |
d02b48c6 RE |
1778 | { |
1779 | /* assume it is the socket being closed */ | |
1780 | return(SSL_ERROR_ZERO_RETURN); | |
1781 | } | |
1782 | else | |
1783 | { | |
1784 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
58964a49 | 1785 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) |
d02b48c6 RE |
1786 | return(SSL_ERROR_ZERO_RETURN); |
1787 | } | |
1788 | } | |
1789 | return(SSL_ERROR_SYSCALL); | |
1790 | } | |
1791 | ||
4f43d0e7 | 1792 | int SSL_do_handshake(SSL *s) |
d02b48c6 | 1793 | { |
58964a49 RE |
1794 | int ret=1; |
1795 | ||
d02b48c6 RE |
1796 | if (s->handshake_func == NULL) |
1797 | { | |
58964a49 | 1798 | SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET); |
d02b48c6 RE |
1799 | return(-1); |
1800 | } | |
dfeab068 RE |
1801 | |
1802 | s->method->ssl_renegotiate_check(s); | |
1803 | ||
d02b48c6 | 1804 | if (SSL_in_init(s) || SSL_in_before(s)) |
58964a49 RE |
1805 | { |
1806 | ret=s->handshake_func(s); | |
1807 | } | |
1808 | return(ret); | |
d02b48c6 RE |
1809 | } |
1810 | ||
1811 | /* For the next 2 functions, SSL_clear() sets shutdown and so | |
1812 | * one of these calls will reset it */ | |
4f43d0e7 | 1813 | void SSL_set_accept_state(SSL *s) |
d02b48c6 | 1814 | { |
413c4f45 | 1815 | s->server=1; |
d02b48c6 RE |
1816 | s->shutdown=0; |
1817 | s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE; | |
1818 | s->handshake_func=s->method->ssl_accept; | |
1819 | /* clear the current cipher */ | |
1820 | ssl_clear_cipher_ctx(s); | |
1821 | } | |
1822 | ||
4f43d0e7 | 1823 | void SSL_set_connect_state(SSL *s) |
d02b48c6 | 1824 | { |
413c4f45 | 1825 | s->server=0; |
d02b48c6 RE |
1826 | s->shutdown=0; |
1827 | s->state=SSL_ST_CONNECT|SSL_ST_BEFORE; | |
1828 | s->handshake_func=s->method->ssl_connect; | |
1829 | /* clear the current cipher */ | |
1830 | ssl_clear_cipher_ctx(s); | |
1831 | } | |
1832 | ||
4f43d0e7 | 1833 | int ssl_undefined_function(SSL *s) |
d02b48c6 RE |
1834 | { |
1835 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
1836 | return(0); | |
1837 | } | |
1838 | ||
4f43d0e7 | 1839 | SSL_METHOD *ssl_bad_method(int ver) |
d02b48c6 RE |
1840 | { |
1841 | SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
1842 | return(NULL); | |
1843 | } | |
1844 | ||
9d1a01be | 1845 | const char *SSL_get_version(SSL *s) |
d02b48c6 | 1846 | { |
58964a49 RE |
1847 | if (s->version == TLS1_VERSION) |
1848 | return("TLSv1"); | |
1849 | else if (s->version == SSL3_VERSION) | |
d02b48c6 | 1850 | return("SSLv3"); |
58964a49 | 1851 | else if (s->version == SSL2_VERSION) |
d02b48c6 RE |
1852 | return("SSLv2"); |
1853 | else | |
1854 | return("unknown"); | |
1855 | } | |
1856 | ||
4f43d0e7 | 1857 | SSL *SSL_dup(SSL *s) |
8a41eb70 | 1858 | { |
f73e07cf | 1859 | STACK_OF(X509_NAME) *sk; |
d02b48c6 | 1860 | X509_NAME *xn; |
b1c4fe36 | 1861 | SSL *ret; |
d02b48c6 RE |
1862 | int i; |
1863 | ||
b4cadc6e BL |
1864 | if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
1865 | return(NULL); | |
bf21446a BM |
1866 | |
1867 | ret->version = s->version; | |
1868 | ret->type = s->type; | |
1869 | ret->method = s->method; | |
1870 | ||
8a41eb70 BM |
1871 | if (s->session != NULL) |
1872 | { | |
1873 | /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */ | |
1874 | SSL_copy_session_id(ret,s); | |
1875 | } | |
1876 | else | |
1877 | { | |
1878 | /* No session has been established yet, so we have to expect | |
1879 | * that s->cert or ret->cert will be changed later -- | |
1880 | * they should not both point to the same object, | |
1881 | * and thus we can't use SSL_copy_session_id. */ | |
1882 | ||
1883 | ret->method = s->method; | |
1884 | ret->method->ssl_new(ret); | |
1885 | ||
1886 | if (s->cert != NULL) | |
1887 | { | |
34d69d3b RL |
1888 | if (ret->cert != NULL) |
1889 | { | |
1890 | ssl_cert_free(ret->cert); | |
1891 | } | |
8a41eb70 BM |
1892 | ret->cert = ssl_cert_dup(s->cert); |
1893 | if (ret->cert == NULL) | |
1894 | goto err; | |
1895 | } | |
1896 | ||
1897 | SSL_set_session_id_context(ret, | |
1898 | s->sid_ctx, s->sid_ctx_length); | |
1899 | } | |
d02b48c6 | 1900 | |
bf21446a BM |
1901 | ret->options=s->options; |
1902 | ret->mode=s->mode; | |
c0f5dd07 | 1903 | SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s)); |
d02b48c6 | 1904 | SSL_set_read_ahead(ret,SSL_get_read_ahead(s)); |
bf21446a BM |
1905 | ret->msg_callback = s->msg_callback; |
1906 | ret->msg_callback_arg = s->msg_callback_arg; | |
d02b48c6 RE |
1907 | SSL_set_verify(ret,SSL_get_verify_mode(s), |
1908 | SSL_get_verify_callback(s)); | |
7f89714e | 1909 | SSL_set_verify_depth(ret,SSL_get_verify_depth(s)); |
bf21446a | 1910 | ret->generate_session_id = s->generate_session_id; |
d02b48c6 RE |
1911 | |
1912 | SSL_set_info_callback(ret,SSL_get_info_callback(s)); | |
1913 | ||
1914 | ret->debug=s->debug; | |
1915 | ||
1916 | /* copy app data, a little dangerous perhaps */ | |
79aa04ef | 1917 | if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) |
58964a49 | 1918 | goto err; |
d02b48c6 RE |
1919 | |
1920 | /* setup rbio, and wbio */ | |
1921 | if (s->rbio != NULL) | |
1922 | { | |
1923 | if (!BIO_dup_state(s->rbio,(char *)&ret->rbio)) | |
1924 | goto err; | |
1925 | } | |
1926 | if (s->wbio != NULL) | |
1927 | { | |
1928 | if (s->wbio != s->rbio) | |
1929 | { | |
58964a49 | 1930 | if (!BIO_dup_state(s->wbio,(char *)&ret->wbio)) |
d02b48c6 RE |
1931 | goto err; |
1932 | } | |
1933 | else | |
1934 | ret->wbio=ret->rbio; | |
1935 | } | |
bf21446a BM |
1936 | ret->rwstate = s->rwstate; |
1937 | ret->in_handshake = s->in_handshake; | |
1938 | ret->handshake_func = s->handshake_func; | |
1939 | ret->server = s->server; | |
1940 | ret->new_session = s->new_session; | |
1941 | ret->quiet_shutdown = s->quiet_shutdown; | |
1942 | ret->shutdown=s->shutdown; | |
1943 | ret->state=s->state; /* SSL_dup does not really work at any state, though */ | |
1944 | ret->rstate=s->rstate; | |
1945 | ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */ | |
1946 | ret->hit=s->hit; | |
1947 | ret->purpose=s->purpose; | |
1948 | ret->trust=s->trust; | |
d02b48c6 RE |
1949 | |
1950 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
1951 | if (s->cipher_list != NULL) | |
1952 | { | |
f73e07cf | 1953 | if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) |
d02b48c6 RE |
1954 | goto err; |
1955 | } | |
1956 | if (s->cipher_list_by_id != NULL) | |
f73e07cf | 1957 | if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id)) |
d02b48c6 RE |
1958 | == NULL) |
1959 | goto err; | |
1960 | ||
1961 | /* Dup the client_CA list */ | |
1962 | if (s->client_CA != NULL) | |
1963 | { | |
f73e07cf | 1964 | if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err; |
d02b48c6 | 1965 | ret->client_CA=sk; |
f73e07cf | 1966 | for (i=0; i<sk_X509_NAME_num(sk); i++) |
d02b48c6 | 1967 | { |
f73e07cf BL |
1968 | xn=sk_X509_NAME_value(sk,i); |
1969 | if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL) | |
d02b48c6 RE |
1970 | { |
1971 | X509_NAME_free(xn); | |
1972 | goto err; | |
1973 | } | |
1974 | } | |
1975 | } | |
1976 | ||
d02b48c6 RE |
1977 | if (0) |
1978 | { | |
1979 | err: | |
1980 | if (ret != NULL) SSL_free(ret); | |
1981 | ret=NULL; | |
1982 | } | |
1983 | return(ret); | |
1984 | } | |
1985 | ||
4f43d0e7 | 1986 | void ssl_clear_cipher_ctx(SSL *s) |
d02b48c6 | 1987 | { |
8a41eb70 BM |
1988 | if (s->enc_read_ctx != NULL) |
1989 | { | |
1990 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
26a3a48d | 1991 | OPENSSL_free(s->enc_read_ctx); |
8a41eb70 BM |
1992 | s->enc_read_ctx=NULL; |
1993 | } | |
1994 | if (s->enc_write_ctx != NULL) | |
1995 | { | |
1996 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
26a3a48d | 1997 | OPENSSL_free(s->enc_write_ctx); |
8a41eb70 BM |
1998 | s->enc_write_ctx=NULL; |
1999 | } | |
413c4f45 MC |
2000 | if (s->expand != NULL) |
2001 | { | |
2002 | COMP_CTX_free(s->expand); | |
2003 | s->expand=NULL; | |
2004 | } | |
2005 | if (s->compress != NULL) | |
2006 | { | |
2007 | COMP_CTX_free(s->compress); | |
2008 | s->compress=NULL; | |
2009 | } | |
d02b48c6 RE |
2010 | } |
2011 | ||
58964a49 | 2012 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 2013 | X509 *SSL_get_certificate(SSL *s) |
d02b48c6 RE |
2014 | { |
2015 | if (s->cert != NULL) | |
2016 | return(s->cert->key->x509); | |
2017 | else | |
2018 | return(NULL); | |
2019 | } | |
2020 | ||
58964a49 | 2021 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 2022 | EVP_PKEY *SSL_get_privatekey(SSL *s) |
d02b48c6 RE |
2023 | { |
2024 | if (s->cert != NULL) | |
2025 | return(s->cert->key->privatekey); | |
2026 | else | |
2027 | return(NULL); | |
2028 | } | |
2029 | ||
4f43d0e7 | 2030 | SSL_CIPHER *SSL_get_current_cipher(SSL *s) |
d02b48c6 | 2031 | { |
b1c4fe36 BM |
2032 | if ((s->session != NULL) && (s->session->cipher != NULL)) |
2033 | return(s->session->cipher); | |
2034 | return(NULL); | |
d02b48c6 RE |
2035 | } |
2036 | ||
4f43d0e7 | 2037 | int ssl_init_wbio_buffer(SSL *s,int push) |
58964a49 RE |
2038 | { |
2039 | BIO *bbio; | |
2040 | ||
2041 | if (s->bbio == NULL) | |
2042 | { | |
2043 | bbio=BIO_new(BIO_f_buffer()); | |
2044 | if (bbio == NULL) return(0); | |
2045 | s->bbio=bbio; | |
2046 | } | |
2047 | else | |
2048 | { | |
2049 | bbio=s->bbio; | |
2050 | if (s->bbio == s->wbio) | |
2051 | s->wbio=BIO_pop(s->wbio); | |
2052 | } | |
d58d092b | 2053 | (void)BIO_reset(bbio); |
58964a49 RE |
2054 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ |
2055 | if (!BIO_set_read_buffer_size(bbio,1)) | |
2056 | { | |
2057 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB); | |
2058 | return(0); | |
2059 | } | |
2060 | if (push) | |
2061 | { | |
2062 | if (s->wbio != bbio) | |
2063 | s->wbio=BIO_push(bbio,s->wbio); | |
2064 | } | |
2065 | else | |
2066 | { | |
2067 | if (s->wbio == bbio) | |
2068 | s->wbio=BIO_pop(bbio); | |
2069 | } | |
2070 | return(1); | |
2071 | } | |
413c4f45 | 2072 | |
4f43d0e7 | 2073 | void ssl_free_wbio_buffer(SSL *s) |
413c4f45 | 2074 | { |
413c4f45 MC |
2075 | if (s->bbio == NULL) return; |
2076 | ||
2077 | if (s->bbio == s->wbio) | |
2078 | { | |
2079 | /* remove buffering */ | |
bbb8de09 BM |
2080 | s->wbio=BIO_pop(s->wbio); |
2081 | #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */ | |
2082 | assert(s->wbio != NULL); | |
2083 | #endif | |
2084 | } | |
413c4f45 MC |
2085 | BIO_free(s->bbio); |
2086 | s->bbio=NULL; | |
2087 | } | |
58964a49 | 2088 | |
4f43d0e7 | 2089 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode) |
58964a49 RE |
2090 | { |
2091 | ctx->quiet_shutdown=mode; | |
2092 | } | |
2093 | ||
4f43d0e7 | 2094 | int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx) |
58964a49 RE |
2095 | { |
2096 | return(ctx->quiet_shutdown); | |
2097 | } | |
2098 | ||
4f43d0e7 | 2099 | void SSL_set_quiet_shutdown(SSL *s,int mode) |
58964a49 RE |
2100 | { |
2101 | s->quiet_shutdown=mode; | |
2102 | } | |
2103 | ||
4f43d0e7 | 2104 | int SSL_get_quiet_shutdown(SSL *s) |
58964a49 RE |
2105 | { |
2106 | return(s->quiet_shutdown); | |
2107 | } | |
2108 | ||
4f43d0e7 | 2109 | void SSL_set_shutdown(SSL *s,int mode) |
58964a49 RE |
2110 | { |
2111 | s->shutdown=mode; | |
2112 | } | |
2113 | ||
4f43d0e7 | 2114 | int SSL_get_shutdown(SSL *s) |
58964a49 RE |
2115 | { |
2116 | return(s->shutdown); | |
2117 | } | |
2118 | ||
4f43d0e7 | 2119 | int SSL_version(SSL *s) |
58964a49 RE |
2120 | { |
2121 | return(s->version); | |
2122 | } | |
2123 | ||
4f43d0e7 | 2124 | SSL_CTX *SSL_get_SSL_CTX(SSL *ssl) |
58964a49 RE |
2125 | { |
2126 | return(ssl->ctx); | |
2127 | } | |
2128 | ||
bc36ee62 | 2129 | #ifndef OPENSSL_NO_STDIO |
4f43d0e7 | 2130 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
58964a49 RE |
2131 | { |
2132 | return(X509_STORE_set_default_paths(ctx->cert_store)); | |
2133 | } | |
2134 | ||
303c0028 BM |
2135 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
2136 | const char *CApath) | |
58964a49 RE |
2137 | { |
2138 | return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath)); | |
2139 | } | |
dfeab068 | 2140 | #endif |
58964a49 | 2141 | |
45d87a1f BL |
2142 | void SSL_set_info_callback(SSL *ssl, |
2143 | void (*cb)(const SSL *ssl,int type,int val)) | |
58964a49 RE |
2144 | { |
2145 | ssl->info_callback=cb; | |
2146 | } | |
2147 | ||
45d87a1f | 2148 | void (*SSL_get_info_callback(SSL *ssl))(const SSL *ssl,int type,int val) |
58964a49 | 2149 | { |
45d87a1f | 2150 | return ssl->info_callback; |
58964a49 RE |
2151 | } |
2152 | ||
4f43d0e7 | 2153 | int SSL_state(SSL *ssl) |
58964a49 RE |
2154 | { |
2155 | return(ssl->state); | |
2156 | } | |
2157 | ||
4f43d0e7 | 2158 | void SSL_set_verify_result(SSL *ssl,long arg) |
58964a49 RE |
2159 | { |
2160 | ssl->verify_result=arg; | |
2161 | } | |
2162 | ||
4f43d0e7 | 2163 | long SSL_get_verify_result(SSL *ssl) |
58964a49 RE |
2164 | { |
2165 | return(ssl->verify_result); | |
2166 | } | |
2167 | ||
dd9d233e DSH |
2168 | int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2169 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2170 | { |
79aa04ef GT |
2171 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp, |
2172 | new_func, dup_func, free_func); | |
b1c4fe36 | 2173 | } |
58964a49 | 2174 | |
4f43d0e7 | 2175 | int SSL_set_ex_data(SSL *s,int idx,void *arg) |
58964a49 RE |
2176 | { |
2177 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2178 | } | |
2179 | ||
4f43d0e7 | 2180 | void *SSL_get_ex_data(SSL *s,int idx) |
58964a49 RE |
2181 | { |
2182 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2183 | } | |
2184 | ||
dd9d233e DSH |
2185 | int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, |
2186 | CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) | |
b1c4fe36 | 2187 | { |
79aa04ef GT |
2188 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp, |
2189 | new_func, dup_func, free_func); | |
b1c4fe36 | 2190 | } |
58964a49 | 2191 | |
4f43d0e7 | 2192 | int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg) |
58964a49 RE |
2193 | { |
2194 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
2195 | } | |
2196 | ||
4f43d0e7 | 2197 | void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx) |
58964a49 RE |
2198 | { |
2199 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
2200 | } | |
2201 | ||
4f43d0e7 | 2202 | int ssl_ok(SSL *s) |
dfeab068 RE |
2203 | { |
2204 | return(1); | |
2205 | } | |
2206 | ||
4f43d0e7 | 2207 | X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx) |
413c4f45 MC |
2208 | { |
2209 | return(ctx->cert_store); | |
2210 | } | |
2211 | ||
4f43d0e7 | 2212 | void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store) |
413c4f45 MC |
2213 | { |
2214 | if (ctx->cert_store != NULL) | |
2215 | X509_STORE_free(ctx->cert_store); | |
2216 | ctx->cert_store=store; | |
2217 | } | |
2218 | ||
4f43d0e7 | 2219 | int SSL_want(SSL *s) |
413c4f45 MC |
2220 | { |
2221 | return(s->rwstate); | |
2222 | } | |
2223 | ||
4f43d0e7 BL |
2224 | /*! |
2225 | * \brief Set the callback for generating temporary RSA keys. | |
2226 | * \param ctx the SSL context. | |
2227 | * \param cb the callback | |
2228 | */ | |
2229 | ||
bc36ee62 | 2230 | #ifndef OPENSSL_NO_RSA |
df63a389 UM |
2231 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl, |
2232 | int is_export, | |
60e31c3a | 2233 | int keylength)) |
a9188d4e | 2234 | { |
d3442bc7 | 2235 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb); |
a9188d4e | 2236 | } |
79df9d62 | 2237 | |
d3442bc7 RL |
2238 | void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl, |
2239 | int is_export, | |
2240 | int keylength)) | |
a9188d4e | 2241 | { |
d3442bc7 | 2242 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb); |
a9188d4e | 2243 | } |
79df9d62 | 2244 | #endif |
f8c3c05d | 2245 | |
4f43d0e7 BL |
2246 | #ifdef DOXYGEN |
2247 | /*! | |
2248 | * \brief The RSA temporary key callback function. | |
2249 | * \param ssl the SSL session. | |
df63a389 UM |
2250 | * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite. |
2251 | * \param keylength if \c is_export is \c TRUE, then \c keylength is the size | |
2252 | * of the required key in bits. | |
4f43d0e7 BL |
2253 | * \return the temporary RSA key. |
2254 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
2255 | */ | |
2256 | ||
df63a389 | 2257 | RSA *cb(SSL *ssl,int is_export,int keylength) |
4f43d0e7 BL |
2258 | {} |
2259 | #endif | |
2260 | ||
2261 | /*! | |
2262 | * \brief Set the callback for generating temporary DH keys. | |
2263 | * \param ctx the SSL context. | |
2264 | * \param dh the callback | |
2265 | */ | |
2266 | ||
bc36ee62 | 2267 | #ifndef OPENSSL_NO_DH |
df63a389 | 2268 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export, |
60e31c3a | 2269 | int keylength)) |
a661b653 BM |
2270 | { |
2271 | SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh); | |
2272 | } | |
f8c3c05d | 2273 | |
df63a389 | 2274 | void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export, |
d3442bc7 | 2275 | int keylength)) |
a661b653 BM |
2276 | { |
2277 | SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh); | |
2278 | } | |
79df9d62 | 2279 | #endif |
15d21c2d | 2280 | |
a661b653 BM |
2281 | |
2282 | 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)) | |
2283 | { | |
2284 | SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb); | |
2285 | } | |
2286 | 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)) | |
2287 | { | |
2288 | SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb); | |
2289 | } | |
2290 | ||
2291 | ||
2292 | ||
bc36ee62 | 2293 | #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16) |
58964a49 RE |
2294 | #include "../crypto/bio/bss_file.c" |
2295 | #endif | |
f73e07cf BL |
2296 | |
2297 | IMPLEMENT_STACK_OF(SSL_CIPHER) | |
2298 | IMPLEMENT_STACK_OF(SSL_COMP) |