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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 | */ | |
60 | ||
61 | #include <stdio.h> | |
62 | #include "objects.h" | |
63 | #include "lhash.h" | |
64 | #include "ssl_locl.h" | |
65 | ||
b4cadc6e | 66 | char *SSL_version_str=OPENSSL_VERSION_TEXT; |
58964a49 RE |
67 | |
68 | static STACK *ssl_meth=NULL; | |
69 | static STACK *ssl_ctx_meth=NULL; | |
70 | static int ssl_meth_num=0; | |
71 | static int ssl_ctx_meth_num=0; | |
d02b48c6 | 72 | |
58964a49 RE |
73 | SSL3_ENC_METHOD ssl3_undef_enc_method={ |
74 | ssl_undefined_function, | |
75 | ssl_undefined_function, | |
76 | ssl_undefined_function, | |
77 | ssl_undefined_function, | |
78 | ssl_undefined_function, | |
79 | ssl_undefined_function, | |
80 | }; | |
d02b48c6 | 81 | |
4f43d0e7 | 82 | int SSL_clear(SSL *s) |
d02b48c6 RE |
83 | { |
84 | int state; | |
85 | ||
413c4f45 MC |
86 | if (s->method == NULL) |
87 | { | |
88 | SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED); | |
89 | return(0); | |
90 | } | |
d02b48c6 RE |
91 | |
92 | s->error=0; | |
93 | s->hit=0; | |
413c4f45 | 94 | s->shutdown=0; |
d02b48c6 | 95 | |
413c4f45 | 96 | #if 0 |
d02b48c6 RE |
97 | /* This is set if we are doing dynamic renegotiation so keep |
98 | * the old cipher. It is sort of a SSL_clear_lite :-) */ | |
413c4f45 MC |
99 | if (s->new_session) return(1); |
100 | #endif | |
d02b48c6 RE |
101 | |
102 | state=s->state; /* Keep to check if we throw away the session-id */ | |
103 | s->type=0; | |
104 | ||
413c4f45 MC |
105 | s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT); |
106 | ||
d02b48c6 | 107 | s->version=s->method->version; |
413c4f45 | 108 | s->client_version=s->version; |
d02b48c6 | 109 | s->rwstate=SSL_NOTHING; |
d02b48c6 | 110 | s->rstate=SSL_ST_READ_HEADER; |
413c4f45 | 111 | s->read_ahead=s->ctx->read_ahead; |
d02b48c6 RE |
112 | |
113 | if (s->init_buf != NULL) | |
114 | { | |
115 | BUF_MEM_free(s->init_buf); | |
116 | s->init_buf=NULL; | |
117 | } | |
118 | ||
119 | ssl_clear_cipher_ctx(s); | |
120 | ||
121 | if (ssl_clear_bad_session(s)) | |
122 | { | |
123 | SSL_SESSION_free(s->session); | |
124 | s->session=NULL; | |
125 | } | |
126 | ||
d02b48c6 RE |
127 | s->first_packet=0; |
128 | ||
413c4f45 MC |
129 | #if 1 |
130 | /* Check to see if we were changed into a different method, if | |
131 | * so, revert back if we are not doing session-id reuse. */ | |
132 | if ((s->session == NULL) && (s->method != s->ctx->method)) | |
133 | { | |
134 | s->method->ssl_free(s); | |
135 | s->method=s->ctx->method; | |
136 | if (!s->method->ssl_new(s)) | |
137 | return(0); | |
138 | } | |
139 | else | |
140 | #endif | |
141 | s->method->ssl_clear(s); | |
142 | return(1); | |
d02b48c6 RE |
143 | } |
144 | ||
4f43d0e7 BL |
145 | /** Used to change an SSL_CTXs default SSL method type */ |
146 | int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth) | |
d02b48c6 RE |
147 | { |
148 | STACK *sk; | |
149 | ||
150 | ctx->method=meth; | |
151 | ||
152 | sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list), | |
153 | &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST); | |
154 | if ((sk == NULL) || (sk_num(sk) <= 0)) | |
155 | { | |
156 | SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); | |
157 | return(0); | |
158 | } | |
159 | return(1); | |
160 | } | |
161 | ||
4f43d0e7 | 162 | SSL *SSL_new(SSL_CTX *ctx) |
d02b48c6 RE |
163 | { |
164 | SSL *s; | |
165 | ||
166 | if (ctx == NULL) | |
167 | { | |
168 | SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX); | |
169 | return(NULL); | |
170 | } | |
171 | if (ctx->method == NULL) | |
172 | { | |
173 | SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); | |
174 | return(NULL); | |
175 | } | |
176 | ||
177 | s=(SSL *)Malloc(sizeof(SSL)); | |
178 | if (s == NULL) goto err; | |
179 | memset(s,0,sizeof(SSL)); | |
180 | ||
181 | if (ctx->default_cert != NULL) | |
182 | { | |
183 | CRYPTO_add(&ctx->default_cert->references,1, | |
f415fa32 | 184 | CRYPTO_LOCK_SSL_CERT); |
d02b48c6 RE |
185 | s->cert=ctx->default_cert; |
186 | } | |
187 | else | |
188 | s->cert=NULL; | |
413c4f45 | 189 | s->verify_mode=ctx->verify_mode; |
d02b48c6 RE |
190 | s->verify_callback=ctx->default_verify_callback; |
191 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); | |
192 | s->ctx=ctx; | |
193 | ||
194 | s->verify_result=X509_V_OK; | |
195 | ||
196 | s->method=ctx->method; | |
197 | ||
198 | if (!s->method->ssl_new(s)) | |
199 | { | |
200 | SSL_CTX_free(ctx); | |
201 | Free(s); | |
202 | goto err; | |
203 | } | |
204 | ||
205 | s->quiet_shutdown=ctx->quiet_shutdown; | |
58964a49 | 206 | s->references=1; |
413c4f45 | 207 | s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1; |
58964a49 | 208 | s->options=ctx->options; |
d02b48c6 | 209 | SSL_clear(s); |
58964a49 RE |
210 | |
211 | CRYPTO_new_ex_data(ssl_meth,(char *)s,&s->ex_data); | |
212 | ||
d02b48c6 RE |
213 | return(s); |
214 | err: | |
215 | SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE); | |
216 | return(NULL); | |
217 | } | |
218 | ||
b4cadc6e BL |
219 | int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx, |
220 | unsigned int sid_ctx_len) | |
221 | { | |
222 | if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) | |
223 | { | |
224 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
225 | return 0; | |
226 | } | |
227 | ssl->sid_ctx_length=sid_ctx_len; | |
228 | memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len); | |
229 | ||
230 | return 1; | |
231 | } | |
232 | ||
4f43d0e7 | 233 | void SSL_free(SSL *s) |
d02b48c6 | 234 | { |
58964a49 RE |
235 | int i; |
236 | ||
e03ddfae BL |
237 | if(s == NULL) |
238 | return; | |
239 | ||
58964a49 RE |
240 | i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL); |
241 | #ifdef REF_PRINT | |
242 | REF_PRINT("SSL",s); | |
243 | #endif | |
244 | if (i > 0) return; | |
245 | #ifdef REF_CHECK | |
246 | if (i < 0) | |
247 | { | |
248 | fprintf(stderr,"SSL_free, bad reference count\n"); | |
249 | abort(); /* ok */ | |
250 | } | |
251 | #endif | |
252 | ||
253 | CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data); | |
254 | ||
d02b48c6 RE |
255 | if (s->bbio != NULL) |
256 | { | |
257 | /* If the buffering BIO is in place, pop it off */ | |
258 | if (s->bbio == s->wbio) | |
259 | { | |
260 | s->wbio=BIO_pop(s->wbio); | |
261 | } | |
262 | BIO_free(s->bbio); | |
58964a49 | 263 | s->bbio=NULL; |
d02b48c6 RE |
264 | } |
265 | if (s->rbio != NULL) | |
266 | BIO_free_all(s->rbio); | |
267 | if ((s->wbio != NULL) && (s->wbio != s->rbio)) | |
268 | BIO_free_all(s->wbio); | |
269 | ||
270 | if (s->init_buf != NULL) BUF_MEM_free(s->init_buf); | |
271 | ||
272 | /* add extra stuff */ | |
273 | if (s->cipher_list != NULL) sk_free(s->cipher_list); | |
274 | if (s->cipher_list_by_id != NULL) sk_free(s->cipher_list_by_id); | |
275 | ||
276 | /* Make the next call work :-) */ | |
277 | if (s->session != NULL) | |
278 | { | |
279 | ssl_clear_bad_session(s); | |
280 | SSL_SESSION_free(s->session); | |
281 | } | |
282 | ||
283 | ssl_clear_cipher_ctx(s); | |
284 | ||
285 | if (s->cert != NULL) ssl_cert_free(s->cert); | |
286 | /* Free up if allocated */ | |
287 | ||
288 | if (s->ctx) SSL_CTX_free(s->ctx); | |
289 | ||
290 | if (s->client_CA != NULL) | |
291 | sk_pop_free(s->client_CA,X509_NAME_free); | |
292 | ||
293 | if (s->method != NULL) s->method->ssl_free(s); | |
294 | ||
295 | Free((char *)s); | |
296 | } | |
297 | ||
4f43d0e7 | 298 | void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio) |
d02b48c6 RE |
299 | { |
300 | /* If the output buffering BIO is still in place, remove it | |
301 | */ | |
302 | if (s->bbio != NULL) | |
303 | { | |
304 | if (s->wbio == s->bbio) | |
305 | { | |
306 | s->wbio=s->wbio->next_bio; | |
307 | s->bbio->next_bio=NULL; | |
308 | } | |
309 | } | |
310 | if ((s->rbio != NULL) && (s->rbio != rbio)) | |
311 | BIO_free_all(s->rbio); | |
312 | if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio)) | |
313 | BIO_free_all(s->wbio); | |
314 | s->rbio=rbio; | |
315 | s->wbio=wbio; | |
316 | } | |
317 | ||
4f43d0e7 | 318 | BIO *SSL_get_rbio(SSL *s) |
d02b48c6 RE |
319 | { return(s->rbio); } |
320 | ||
4f43d0e7 | 321 | BIO *SSL_get_wbio(SSL *s) |
d02b48c6 RE |
322 | { return(s->wbio); } |
323 | ||
4f43d0e7 | 324 | int SSL_get_fd(SSL *s) |
d02b48c6 RE |
325 | { |
326 | int ret= -1; | |
327 | BIO *b,*r; | |
328 | ||
329 | b=SSL_get_rbio(s); | |
330 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
331 | if (r != NULL) | |
332 | BIO_get_fd(r,&ret); | |
333 | return(ret); | |
334 | } | |
335 | ||
336 | #ifndef NO_SOCK | |
4f43d0e7 | 337 | int SSL_set_fd(SSL *s,int fd) |
d02b48c6 RE |
338 | { |
339 | int ret=0; | |
340 | BIO *bio=NULL; | |
341 | ||
342 | bio=BIO_new(BIO_s_socket()); | |
343 | ||
344 | if (bio == NULL) | |
345 | { | |
346 | SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB); | |
347 | goto err; | |
348 | } | |
349 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
350 | SSL_set_bio(s,bio,bio); | |
351 | ret=1; | |
352 | err: | |
353 | return(ret); | |
354 | } | |
355 | ||
4f43d0e7 | 356 | int SSL_set_wfd(SSL *s,int fd) |
d02b48c6 RE |
357 | { |
358 | int ret=0; | |
359 | BIO *bio=NULL; | |
360 | ||
58964a49 RE |
361 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) |
362 | || ((int)BIO_get_fd(s->rbio,NULL) != fd)) | |
363 | { | |
364 | bio=BIO_new(BIO_s_socket()); | |
d02b48c6 | 365 | |
58964a49 RE |
366 | if (bio == NULL) |
367 | { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; } | |
368 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
369 | SSL_set_bio(s,SSL_get_rbio(s),bio); | |
370 | } | |
371 | else | |
372 | SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s)); | |
d02b48c6 RE |
373 | ret=1; |
374 | err: | |
375 | return(ret); | |
376 | } | |
377 | ||
4f43d0e7 | 378 | int SSL_set_rfd(SSL *s,int fd) |
d02b48c6 RE |
379 | { |
380 | int ret=0; | |
381 | BIO *bio=NULL; | |
382 | ||
58964a49 RE |
383 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) |
384 | || ((int)BIO_get_fd(s->wbio,NULL) != fd)) | |
d02b48c6 | 385 | { |
58964a49 RE |
386 | bio=BIO_new(BIO_s_socket()); |
387 | ||
388 | if (bio == NULL) | |
389 | { | |
390 | SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB); | |
391 | goto err; | |
392 | } | |
393 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
394 | SSL_set_bio(s,bio,SSL_get_wbio(s)); | |
d02b48c6 | 395 | } |
58964a49 RE |
396 | else |
397 | SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s)); | |
d02b48c6 RE |
398 | ret=1; |
399 | err: | |
400 | return(ret); | |
401 | } | |
402 | #endif | |
403 | ||
4f43d0e7 | 404 | int SSL_get_verify_mode(SSL *s) |
d02b48c6 RE |
405 | { |
406 | return(s->verify_mode); | |
407 | } | |
408 | ||
a06c602e | 409 | int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *) |
d02b48c6 RE |
410 | { |
411 | return(s->verify_callback); | |
412 | } | |
413 | ||
4f43d0e7 | 414 | int SSL_CTX_get_verify_mode(SSL_CTX *ctx) |
d02b48c6 | 415 | { |
413c4f45 | 416 | return(ctx->verify_mode); |
d02b48c6 RE |
417 | } |
418 | ||
a06c602e | 419 | int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *) |
d02b48c6 RE |
420 | { |
421 | return(ctx->default_verify_callback); | |
422 | } | |
423 | ||
49bc2624 BL |
424 | void SSL_set_verify(SSL *s,int mode, |
425 | int (*callback)(int ok,X509_STORE_CTX *ctx)) | |
d02b48c6 RE |
426 | { |
427 | s->verify_mode=mode; | |
428 | if (callback != NULL) | |
429 | s->verify_callback=callback; | |
430 | } | |
431 | ||
4f43d0e7 | 432 | void SSL_set_read_ahead(SSL *s,int yes) |
d02b48c6 RE |
433 | { |
434 | s->read_ahead=yes; | |
435 | } | |
436 | ||
4f43d0e7 | 437 | int SSL_get_read_ahead(SSL *s) |
d02b48c6 RE |
438 | { |
439 | return(s->read_ahead); | |
440 | } | |
441 | ||
4f43d0e7 | 442 | int SSL_pending(SSL *s) |
d02b48c6 RE |
443 | { |
444 | return(s->method->ssl_pending(s)); | |
445 | } | |
446 | ||
4f43d0e7 | 447 | X509 *SSL_get_peer_certificate(SSL *s) |
d02b48c6 RE |
448 | { |
449 | X509 *r; | |
450 | ||
451 | if ((s == NULL) || (s->session == NULL)) | |
452 | r=NULL; | |
453 | else | |
454 | r=s->session->peer; | |
455 | ||
456 | if (r == NULL) return(r); | |
457 | ||
458 | CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509); | |
459 | ||
460 | return(r); | |
461 | } | |
462 | ||
4f43d0e7 | 463 | STACK *SSL_get_peer_cert_chain(SSL *s) |
d02b48c6 RE |
464 | { |
465 | STACK *r; | |
466 | ||
467 | if ((s == NULL) || (s->session == NULL) || (s->session->cert == NULL)) | |
468 | r=NULL; | |
469 | else | |
470 | r=s->session->cert->cert_chain; | |
471 | ||
472 | return(r); | |
473 | } | |
474 | ||
475 | /* Now in theory, since the calling process own 't' it should be safe to | |
476 | * modify. We need to be able to read f without being hassled */ | |
4f43d0e7 | 477 | void SSL_copy_session_id(SSL *t,SSL *f) |
d02b48c6 RE |
478 | { |
479 | CERT *tmp; | |
480 | ||
481 | /* Do we need to to SSL locking? */ | |
482 | SSL_set_session(t,SSL_get_session(f)); | |
483 | ||
484 | /* what if we are setup as SSLv2 but want to talk SSLv3 or | |
485 | * vice-versa */ | |
486 | if (t->method != f->method) | |
487 | { | |
488 | t->method->ssl_free(t); /* cleanup current */ | |
489 | t->method=f->method; /* change method */ | |
490 | t->method->ssl_new(t); /* setup new */ | |
491 | } | |
492 | ||
493 | tmp=t->cert; | |
494 | if (f->cert != NULL) | |
495 | { | |
496 | CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT); | |
497 | t->cert=f->cert; | |
498 | } | |
499 | else | |
500 | t->cert=NULL; | |
501 | if (tmp != NULL) ssl_cert_free(tmp); | |
b4cadc6e | 502 | SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length); |
d02b48c6 RE |
503 | } |
504 | ||
58964a49 | 505 | /* Fix this so it checks all the valid key/cert options */ |
4f43d0e7 | 506 | int SSL_CTX_check_private_key(SSL_CTX *ctx) |
d02b48c6 RE |
507 | { |
508 | if ( (ctx == NULL) || | |
509 | (ctx->default_cert == NULL) || | |
510 | (ctx->default_cert->key->x509 == NULL)) | |
511 | { | |
512 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
513 | return(0); | |
514 | } | |
515 | if (ctx->default_cert->key->privatekey == NULL) | |
516 | { | |
517 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
518 | return(0); | |
519 | } | |
520 | return(X509_check_private_key(ctx->default_cert->key->x509, ctx->default_cert->key->privatekey)); | |
521 | } | |
522 | ||
58964a49 | 523 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 524 | int SSL_check_private_key(SSL *ssl) |
d02b48c6 RE |
525 | { |
526 | if (ssl == NULL) | |
527 | { | |
528 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER); | |
529 | return(0); | |
530 | } | |
531 | if (ssl->cert == NULL) | |
532 | return(SSL_CTX_check_private_key(ssl->ctx)); | |
533 | if (ssl->cert->key->x509 == NULL) | |
534 | { | |
535 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
536 | return(0); | |
537 | } | |
538 | if (ssl->cert->key->privatekey == NULL) | |
539 | { | |
540 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
541 | return(0); | |
542 | } | |
543 | return(X509_check_private_key(ssl->cert->key->x509, | |
544 | ssl->cert->key->privatekey)); | |
545 | } | |
546 | ||
4f43d0e7 | 547 | int SSL_accept(SSL *s) |
d02b48c6 RE |
548 | { |
549 | return(s->method->ssl_accept(s)); | |
550 | } | |
551 | ||
4f43d0e7 | 552 | int SSL_connect(SSL *s) |
d02b48c6 RE |
553 | { |
554 | return(s->method->ssl_connect(s)); | |
555 | } | |
556 | ||
4f43d0e7 | 557 | long SSL_get_default_timeout(SSL *s) |
d02b48c6 RE |
558 | { |
559 | return(s->method->get_timeout()); | |
560 | } | |
561 | ||
4f43d0e7 | 562 | int SSL_read(SSL *s,char *buf,int num) |
d02b48c6 RE |
563 | { |
564 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) | |
565 | { | |
566 | s->rwstate=SSL_NOTHING; | |
567 | return(0); | |
568 | } | |
569 | return(s->method->ssl_read(s,buf,num)); | |
570 | } | |
571 | ||
4f43d0e7 | 572 | int SSL_peek(SSL *s,char *buf,int num) |
d02b48c6 RE |
573 | { |
574 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) | |
575 | { | |
576 | return(0); | |
577 | } | |
578 | return(s->method->ssl_peek(s,buf,num)); | |
579 | } | |
580 | ||
4f43d0e7 | 581 | int SSL_write(SSL *s,const char *buf,int num) |
d02b48c6 RE |
582 | { |
583 | if (s->shutdown & SSL_SENT_SHUTDOWN) | |
584 | { | |
585 | s->rwstate=SSL_NOTHING; | |
586 | SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN); | |
587 | return(-1); | |
588 | } | |
589 | return(s->method->ssl_write(s,buf,num)); | |
590 | } | |
591 | ||
4f43d0e7 | 592 | int SSL_shutdown(SSL *s) |
d02b48c6 RE |
593 | { |
594 | if ((s != NULL) && !SSL_in_init(s)) | |
595 | return(s->method->ssl_shutdown(s)); | |
596 | else | |
597 | return(1); | |
598 | } | |
599 | ||
4f43d0e7 | 600 | int SSL_renegotiate(SSL *s) |
d02b48c6 | 601 | { |
58964a49 | 602 | s->new_session=1; |
d02b48c6 RE |
603 | return(s->method->ssl_renegotiate(s)); |
604 | } | |
605 | ||
4f43d0e7 | 606 | long SSL_ctrl(SSL *s,int cmd,long larg,char *parg) |
d02b48c6 | 607 | { |
413c4f45 MC |
608 | long l; |
609 | ||
610 | switch (cmd) | |
611 | { | |
612 | case SSL_CTRL_GET_READ_AHEAD: | |
613 | return(s->read_ahead); | |
614 | case SSL_CTRL_SET_READ_AHEAD: | |
615 | l=s->read_ahead; | |
616 | s->read_ahead=larg; | |
617 | return(l); | |
618 | case SSL_CTRL_OPTIONS: | |
619 | return(s->options|=larg); | |
620 | default: | |
621 | return(s->method->ssl_ctrl(s,cmd,larg,parg)); | |
622 | } | |
623 | return(0); | |
d02b48c6 RE |
624 | } |
625 | ||
4f43d0e7 | 626 | long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg) |
d02b48c6 | 627 | { |
413c4f45 MC |
628 | long l; |
629 | ||
630 | switch (cmd) | |
631 | { | |
632 | case SSL_CTRL_GET_READ_AHEAD: | |
633 | return(ctx->read_ahead); | |
634 | case SSL_CTRL_SET_READ_AHEAD: | |
635 | l=ctx->read_ahead; | |
636 | ctx->read_ahead=larg; | |
637 | return(l); | |
638 | ||
639 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
640 | l=ctx->session_cache_size; | |
641 | ctx->session_cache_size=larg; | |
642 | return(l); | |
643 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
644 | return(ctx->session_cache_size); | |
645 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
646 | l=ctx->session_cache_mode; | |
647 | ctx->session_cache_mode=larg; | |
648 | return(l); | |
649 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
650 | return(ctx->session_cache_mode); | |
651 | ||
652 | case SSL_CTRL_SESS_NUMBER: | |
653 | return(ctx->sessions->num_items); | |
654 | case SSL_CTRL_SESS_CONNECT: | |
655 | return(ctx->stats.sess_connect); | |
656 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
657 | return(ctx->stats.sess_connect_good); | |
658 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
659 | return(ctx->stats.sess_connect_renegotiate); | |
660 | case SSL_CTRL_SESS_ACCEPT: | |
661 | return(ctx->stats.sess_accept); | |
662 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
663 | return(ctx->stats.sess_accept_good); | |
664 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
665 | return(ctx->stats.sess_accept_renegotiate); | |
666 | case SSL_CTRL_SESS_HIT: | |
667 | return(ctx->stats.sess_hit); | |
668 | case SSL_CTRL_SESS_CB_HIT: | |
669 | return(ctx->stats.sess_cb_hit); | |
670 | case SSL_CTRL_SESS_MISSES: | |
671 | return(ctx->stats.sess_miss); | |
672 | case SSL_CTRL_SESS_TIMEOUTS: | |
673 | return(ctx->stats.sess_timeout); | |
674 | case SSL_CTRL_SESS_CACHE_FULL: | |
675 | return(ctx->stats.sess_cache_full); | |
676 | case SSL_CTRL_OPTIONS: | |
677 | return(ctx->options|=larg); | |
678 | default: | |
679 | return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg)); | |
680 | } | |
681 | return(0); | |
d02b48c6 RE |
682 | } |
683 | ||
4f43d0e7 | 684 | int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b) |
d02b48c6 RE |
685 | { |
686 | long l; | |
687 | ||
688 | l=a->id-b->id; | |
689 | if (l == 0L) | |
690 | return(0); | |
691 | else | |
692 | return((l > 0)?1:-1); | |
693 | } | |
694 | ||
4f43d0e7 | 695 | int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp) |
d02b48c6 RE |
696 | { |
697 | long l; | |
698 | ||
699 | l=(*ap)->id-(*bp)->id; | |
700 | if (l == 0L) | |
701 | return(0); | |
702 | else | |
703 | return((l > 0)?1:-1); | |
704 | } | |
705 | ||
4f43d0e7 | 706 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 707 | * preference */ |
4f43d0e7 | 708 | STACK *SSL_get_ciphers(SSL *s) |
d02b48c6 RE |
709 | { |
710 | if ((s != NULL) && (s->cipher_list != NULL)) | |
711 | { | |
712 | return(s->cipher_list); | |
713 | } | |
58964a49 | 714 | else if ((s->ctx != NULL) && |
d02b48c6 RE |
715 | (s->ctx->cipher_list != NULL)) |
716 | { | |
717 | return(s->ctx->cipher_list); | |
718 | } | |
719 | return(NULL); | |
720 | } | |
721 | ||
4f43d0e7 | 722 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 723 | * algorithm id */ |
4f43d0e7 | 724 | STACK *ssl_get_ciphers_by_id(SSL *s) |
d02b48c6 RE |
725 | { |
726 | if ((s != NULL) && (s->cipher_list_by_id != NULL)) | |
727 | { | |
728 | return(s->cipher_list_by_id); | |
729 | } | |
730 | else if ((s != NULL) && (s->ctx != NULL) && | |
731 | (s->ctx->cipher_list_by_id != NULL)) | |
732 | { | |
733 | return(s->ctx->cipher_list_by_id); | |
734 | } | |
735 | return(NULL); | |
736 | } | |
737 | ||
4f43d0e7 BL |
738 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
739 | char *SSL_get_cipher_list(SSL *s,int n) | |
d02b48c6 RE |
740 | { |
741 | SSL_CIPHER *c; | |
742 | STACK *sk; | |
743 | ||
744 | if (s == NULL) return(NULL); | |
745 | sk=SSL_get_ciphers(s); | |
746 | if ((sk == NULL) || (sk_num(sk) <= n)) | |
747 | return(NULL); | |
748 | c=(SSL_CIPHER *)sk_value(sk,n); | |
749 | if (c == NULL) return(NULL); | |
750 | return(c->name); | |
751 | } | |
752 | ||
4f43d0e7 BL |
753 | /** specify the ciphers to be used by defaut by the SSL_CTX */ |
754 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx,char *str) | |
d02b48c6 RE |
755 | { |
756 | STACK *sk; | |
757 | ||
758 | sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list, | |
759 | &ctx->cipher_list_by_id,str); | |
760 | /* XXXX */ | |
761 | return((sk == NULL)?0:1); | |
762 | } | |
763 | ||
4f43d0e7 BL |
764 | /** specify the ciphers to be used by the SSL */ |
765 | int SSL_set_cipher_list(SSL *s,char *str) | |
d02b48c6 RE |
766 | { |
767 | STACK *sk; | |
768 | ||
769 | sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list, | |
770 | &s->cipher_list_by_id,str); | |
771 | /* XXXX */ | |
772 | return((sk == NULL)?0:1); | |
773 | } | |
774 | ||
775 | /* works well for SSLv2, not so good for SSLv3 */ | |
4f43d0e7 | 776 | char *SSL_get_shared_ciphers(SSL *s,char *buf,int len) |
d02b48c6 RE |
777 | { |
778 | char *p,*cp; | |
779 | STACK *sk; | |
780 | SSL_CIPHER *c; | |
781 | int i; | |
782 | ||
783 | if ((s->session == NULL) || (s->session->ciphers == NULL) || | |
784 | (len < 2)) | |
785 | return(NULL); | |
786 | ||
787 | p=buf; | |
788 | sk=s->session->ciphers; | |
d02b48c6 RE |
789 | for (i=0; i<sk_num(sk); i++) |
790 | { | |
58964a49 RE |
791 | /* Decrement for either the ':' or a '\0' */ |
792 | len--; | |
d02b48c6 RE |
793 | c=(SSL_CIPHER *)sk_value(sk,i); |
794 | for (cp=c->name; *cp; ) | |
795 | { | |
58964a49 | 796 | if (len-- == 0) |
d02b48c6 RE |
797 | { |
798 | *p='\0'; | |
799 | return(buf); | |
800 | } | |
801 | else | |
802 | *(p++)= *(cp++); | |
803 | } | |
804 | *(p++)=':'; | |
805 | } | |
806 | p[-1]='\0'; | |
807 | return(buf); | |
808 | } | |
809 | ||
4f43d0e7 | 810 | int ssl_cipher_list_to_bytes(SSL *s,STACK *sk,unsigned char *p) |
d02b48c6 RE |
811 | { |
812 | int i,j=0; | |
813 | SSL_CIPHER *c; | |
814 | unsigned char *q; | |
815 | ||
816 | if (sk == NULL) return(0); | |
817 | q=p; | |
818 | ||
819 | for (i=0; i<sk_num(sk); i++) | |
820 | { | |
821 | c=(SSL_CIPHER *)sk_value(sk,i); | |
822 | j=ssl_put_cipher_by_char(s,c,p); | |
823 | p+=j; | |
824 | } | |
825 | return(p-q); | |
826 | } | |
827 | ||
4f43d0e7 | 828 | STACK *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,STACK **skp) |
d02b48c6 RE |
829 | { |
830 | SSL_CIPHER *c; | |
831 | STACK *sk; | |
832 | int i,n; | |
833 | ||
834 | n=ssl_put_cipher_by_char(s,NULL,NULL); | |
835 | if ((num%n) != 0) | |
836 | { | |
837 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); | |
838 | return(NULL); | |
839 | } | |
840 | if ((skp == NULL) || (*skp == NULL)) | |
841 | sk=sk_new(NULL); /* change perhaps later */ | |
842 | else | |
843 | { | |
844 | sk= *skp; | |
845 | sk_zero(sk); | |
846 | } | |
847 | ||
848 | for (i=0; i<num; i+=n) | |
849 | { | |
850 | c=ssl_get_cipher_by_char(s,p); | |
851 | p+=n; | |
852 | if (c != NULL) | |
853 | { | |
854 | if (!sk_push(sk,(char *)c)) | |
855 | { | |
856 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE); | |
857 | goto err; | |
858 | } | |
859 | } | |
860 | } | |
861 | ||
862 | if (skp != NULL) | |
863 | *skp=sk; | |
864 | return(sk); | |
865 | err: | |
866 | if ((skp == NULL) || (*skp == NULL)) | |
867 | sk_free(sk); | |
868 | return(NULL); | |
869 | } | |
870 | ||
4f43d0e7 | 871 | unsigned long SSL_SESSION_hash(SSL_SESSION *a) |
d02b48c6 RE |
872 | { |
873 | unsigned long l; | |
874 | ||
dfeab068 RE |
875 | l=(unsigned long) |
876 | ((unsigned int) a->session_id[0] )| | |
877 | ((unsigned int) a->session_id[1]<< 8L)| | |
878 | ((unsigned long)a->session_id[2]<<16L)| | |
879 | ((unsigned long)a->session_id[3]<<24L); | |
d02b48c6 RE |
880 | return(l); |
881 | } | |
882 | ||
4f43d0e7 | 883 | int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b) |
d02b48c6 | 884 | { |
58964a49 RE |
885 | if (a->ssl_version != b->ssl_version) |
886 | return(1); | |
887 | if (a->session_id_length != b->session_id_length) | |
888 | return(1); | |
889 | return(memcmp(a->session_id,b->session_id,a->session_id_length)); | |
d02b48c6 RE |
890 | } |
891 | ||
4f43d0e7 | 892 | SSL_CTX *SSL_CTX_new(SSL_METHOD *meth) |
d02b48c6 | 893 | { |
dfeab068 | 894 | SSL_CTX *ret=NULL; |
d02b48c6 RE |
895 | |
896 | if (meth == NULL) | |
897 | { | |
898 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED); | |
899 | return(NULL); | |
900 | } | |
dfeab068 RE |
901 | |
902 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) | |
903 | { | |
904 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
905 | goto err; | |
906 | } | |
d02b48c6 RE |
907 | ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX)); |
908 | if (ret == NULL) | |
909 | goto err; | |
910 | ||
911 | memset(ret,0,sizeof(SSL_CTX)); | |
912 | ||
913 | ret->method=meth; | |
914 | ||
915 | ret->cert_store=NULL; | |
916 | ret->session_cache_mode=SSL_SESS_CACHE_SERVER; | |
58964a49 RE |
917 | ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
918 | ret->session_cache_head=NULL; | |
919 | ret->session_cache_tail=NULL; | |
d02b48c6 RE |
920 | |
921 | /* We take the system default */ | |
922 | ret->session_timeout=meth->get_timeout(); | |
923 | ||
924 | ret->new_session_cb=NULL; | |
925 | ret->remove_session_cb=NULL; | |
926 | ret->get_session_cb=NULL; | |
927 | ||
413c4f45 | 928 | memset((char *)&ret->stats,0,sizeof(ret->stats)); |
d02b48c6 RE |
929 | |
930 | ret->references=1; | |
931 | ret->quiet_shutdown=0; | |
932 | ||
933 | /* ret->cipher=NULL;*/ | |
934 | /* ret->s2->challenge=NULL; | |
935 | ret->master_key=NULL; | |
936 | ret->key_arg=NULL; | |
937 | ret->s2->conn_id=NULL; */ | |
938 | ||
939 | ret->info_callback=NULL; | |
940 | ||
941 | ret->app_verify_callback=NULL; | |
942 | ret->app_verify_arg=NULL; | |
943 | ||
413c4f45 MC |
944 | ret->read_ahead=0; |
945 | ret->verify_mode=SSL_VERIFY_NONE; | |
d02b48c6 RE |
946 | ret->default_verify_callback=NULL; |
947 | if ((ret->default_cert=ssl_cert_new()) == NULL) | |
948 | goto err; | |
949 | ||
950 | ret->default_passwd_callback=NULL; | |
951 | ret->client_cert_cb=NULL; | |
952 | ||
58964a49 | 953 | ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp); |
d02b48c6 RE |
954 | if (ret->sessions == NULL) goto err; |
955 | ret->cert_store=X509_STORE_new(); | |
956 | if (ret->cert_store == NULL) goto err; | |
957 | ||
958 | ssl_create_cipher_list(ret->method, | |
959 | &ret->cipher_list,&ret->cipher_list_by_id, | |
960 | SSL_DEFAULT_CIPHER_LIST); | |
961 | if ((ret->cipher_list == NULL) || (sk_num(ret->cipher_list) <= 0)) | |
962 | { | |
963 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS); | |
964 | goto err2; | |
965 | } | |
966 | ||
58964a49 RE |
967 | if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL) |
968 | { | |
969 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES); | |
970 | goto err2; | |
971 | } | |
972 | if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL) | |
973 | { | |
974 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
975 | goto err2; | |
976 | } | |
977 | if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL) | |
978 | { | |
979 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
980 | goto err2; | |
981 | } | |
982 | ||
d02b48c6 RE |
983 | if ((ret->client_CA=sk_new_null()) == NULL) |
984 | goto err; | |
985 | ||
58964a49 RE |
986 | CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data); |
987 | ||
dfeab068 | 988 | ret->extra_certs=NULL; |
413c4f45 | 989 | ret->comp_methods=SSL_COMP_get_compression_methods(); |
dfeab068 | 990 | |
d02b48c6 RE |
991 | return(ret); |
992 | err: | |
993 | SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE); | |
994 | err2: | |
995 | if (ret != NULL) SSL_CTX_free(ret); | |
996 | return(NULL); | |
997 | } | |
998 | ||
4f43d0e7 | 999 | void SSL_CTX_free(SSL_CTX *a) |
d02b48c6 RE |
1000 | { |
1001 | int i; | |
1002 | ||
1003 | if (a == NULL) return; | |
1004 | ||
1005 | i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX); | |
58964a49 RE |
1006 | #ifdef REF_PRINT |
1007 | REF_PRINT("SSL_CTX",a); | |
1008 | #endif | |
d02b48c6 RE |
1009 | if (i > 0) return; |
1010 | #ifdef REF_CHECK | |
1011 | if (i < 0) | |
1012 | { | |
1013 | fprintf(stderr,"SSL_CTX_free, bad reference count\n"); | |
1014 | abort(); /* ok */ | |
1015 | } | |
1016 | #endif | |
58964a49 | 1017 | CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data); |
d02b48c6 RE |
1018 | |
1019 | if (a->sessions != NULL) | |
1020 | { | |
1021 | SSL_CTX_flush_sessions(a,0); | |
1022 | lh_free(a->sessions); | |
1023 | } | |
1024 | if (a->cert_store != NULL) | |
1025 | X509_STORE_free(a->cert_store); | |
1026 | if (a->cipher_list != NULL) | |
1027 | sk_free(a->cipher_list); | |
1028 | if (a->cipher_list_by_id != NULL) | |
1029 | sk_free(a->cipher_list_by_id); | |
1030 | if (a->default_cert != NULL) | |
1031 | ssl_cert_free(a->default_cert); | |
1032 | if (a->client_CA != NULL) | |
1033 | sk_pop_free(a->client_CA,X509_NAME_free); | |
dfeab068 RE |
1034 | if (a->extra_certs != NULL) |
1035 | sk_pop_free(a->extra_certs,X509_free); | |
413c4f45 | 1036 | if (a->comp_methods != NULL) |
199d59e5 | 1037 | sk_pop_free(a->comp_methods,FreeFunc); |
d02b48c6 RE |
1038 | Free((char *)a); |
1039 | } | |
1040 | ||
4f43d0e7 | 1041 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx,int (*cb)()) |
d02b48c6 RE |
1042 | { |
1043 | ctx->default_passwd_callback=cb; | |
1044 | } | |
1045 | ||
4f43d0e7 | 1046 | void SSL_CTX_set_cert_verify_cb(SSL_CTX *ctx,int (*cb)(),char *arg) |
d02b48c6 RE |
1047 | { |
1048 | ctx->app_verify_callback=cb; | |
1049 | ctx->app_verify_arg=arg; | |
1050 | } | |
1051 | ||
4f43d0e7 | 1052 | void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *)) |
d02b48c6 | 1053 | { |
413c4f45 | 1054 | ctx->verify_mode=mode; |
d02b48c6 RE |
1055 | ctx->default_verify_callback=cb; |
1056 | /* This needs cleaning up EAY EAY EAY */ | |
1057 | X509_STORE_set_verify_cb_func(ctx->cert_store,cb); | |
1058 | } | |
1059 | ||
f415fa32 BL |
1060 | /* Need default_cert to check for callbacks, for now (see comment in CERT |
1061 | strucure) | |
1062 | */ | |
1063 | void ssl_set_cert_masks(CERT *c,CERT *default_cert,SSL_CIPHER *cipher) | |
d02b48c6 RE |
1064 | { |
1065 | CERT_PKEY *cpk; | |
1066 | int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign; | |
1067 | int rsa_enc_export,dh_rsa_export,dh_dsa_export; | |
60e31c3a | 1068 | int rsa_tmp_export,dh_tmp_export,kl; |
d02b48c6 RE |
1069 | unsigned long mask,emask; |
1070 | ||
f415fa32 | 1071 | if (c == NULL) return; |
d02b48c6 | 1072 | |
60e31c3a BL |
1073 | kl=SSL_C_EXPORT_PKEYLENGTH(cipher); |
1074 | ||
d02b48c6 | 1075 | #ifndef NO_RSA |
f415fa32 BL |
1076 | rsa_tmp=(c->rsa_tmp != NULL || default_cert->rsa_tmp_cb != NULL); |
1077 | rsa_tmp_export=(default_cert->rsa_tmp_cb != NULL || | |
60e31c3a | 1078 | (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl)); |
d02b48c6 RE |
1079 | #else |
1080 | rsa_tmp=rsa_tmp_export=0; | |
1081 | #endif | |
1082 | #ifndef NO_DH | |
f415fa32 BL |
1083 | dh_tmp=(c->dh_tmp != NULL || default_cert->dh_tmp_cb != NULL); |
1084 | dh_tmp_export=(default_cert->dh_tmp_cb != NULL || | |
60e31c3a | 1085 | (dh_tmp && DH_size(c->dh_tmp)*8 <= kl)); |
d02b48c6 RE |
1086 | #else |
1087 | dh_tmp=dh_tmp_export=0; | |
1088 | #endif | |
1089 | ||
1090 | cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]); | |
60e31c3a BL |
1091 | rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1092 | rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 | 1093 | cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]); |
60e31c3a | 1094 | rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1095 | cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]); |
60e31c3a | 1096 | dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1097 | cpk= &(c->pkeys[SSL_PKEY_DH_RSA]); |
60e31c3a BL |
1098 | dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1099 | dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1100 | cpk= &(c->pkeys[SSL_PKEY_DH_DSA]); |
1101 | /* FIX THIS EAY EAY EAY */ | |
60e31c3a BL |
1102 | dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1103 | dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1104 | |
1105 | mask=0; | |
1106 | emask=0; | |
1107 | ||
1108 | #ifdef CIPHER_DEBUG | |
f415fa32 BL |
1109 | printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", |
1110 | rsa_tmp,rsa_tmp_export,dh_tmp, | |
1111 | rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa); | |
d02b48c6 RE |
1112 | #endif |
1113 | ||
1114 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
1115 | mask|=SSL_kRSA; | |
f415fa32 | 1116 | if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) |
d02b48c6 RE |
1117 | emask|=SSL_kRSA; |
1118 | ||
1119 | #if 0 | |
1120 | /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */ | |
1121 | if ( (dh_tmp || dh_rsa || dh_dsa) && | |
1122 | (rsa_enc || rsa_sign || dsa_sign)) | |
1123 | mask|=SSL_kEDH; | |
1124 | if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) && | |
1125 | (rsa_enc || rsa_sign || dsa_sign)) | |
1126 | emask|=SSL_kEDH; | |
1127 | #endif | |
1128 | ||
1129 | if (dh_tmp_export) | |
1130 | emask|=SSL_kEDH; | |
1131 | ||
1132 | if (dh_tmp) | |
1133 | mask|=SSL_kEDH; | |
1134 | ||
1135 | if (dh_rsa) mask|=SSL_kDHr; | |
1136 | if (dh_rsa_export) emask|=SSL_kDHr; | |
1137 | ||
1138 | if (dh_dsa) mask|=SSL_kDHd; | |
1139 | if (dh_dsa_export) emask|=SSL_kDHd; | |
1140 | ||
1141 | if (rsa_enc || rsa_sign) | |
1142 | { | |
1143 | mask|=SSL_aRSA; | |
1144 | emask|=SSL_aRSA; | |
1145 | } | |
1146 | ||
1147 | if (dsa_sign) | |
1148 | { | |
1149 | mask|=SSL_aDSS; | |
1150 | emask|=SSL_aDSS; | |
1151 | } | |
1152 | ||
1153 | #ifdef SSL_ALLOW_ADH | |
1154 | mask|=SSL_aNULL; | |
1155 | emask|=SSL_aNULL; | |
1156 | #endif | |
1157 | ||
1158 | c->mask=mask; | |
1159 | c->export_mask=emask; | |
1160 | c->valid=1; | |
1161 | } | |
1162 | ||
1163 | /* THIS NEEDS CLEANING UP */ | |
4f43d0e7 | 1164 | X509 *ssl_get_server_send_cert(SSL *s) |
d02b48c6 RE |
1165 | { |
1166 | unsigned long alg,mask,kalg; | |
1167 | CERT *c; | |
60e31c3a | 1168 | int i,export; |
d02b48c6 RE |
1169 | |
1170 | c=s->cert; | |
f415fa32 | 1171 | ssl_set_cert_masks(c,s->ctx->default_cert,s->s3->tmp.new_cipher); |
d02b48c6 | 1172 | alg=s->s3->tmp.new_cipher->algorithms; |
60e31c3a BL |
1173 | export=SSL_IS_EXPORT(alg); |
1174 | mask=export?c->export_mask:c->mask; | |
d02b48c6 RE |
1175 | kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK); |
1176 | ||
1177 | if (kalg & SSL_kDHr) | |
1178 | i=SSL_PKEY_DH_RSA; | |
1179 | else if (kalg & SSL_kDHd) | |
1180 | i=SSL_PKEY_DH_DSA; | |
1181 | else if (kalg & SSL_aDSS) | |
1182 | i=SSL_PKEY_DSA_SIGN; | |
1183 | else if (kalg & SSL_aRSA) | |
1184 | { | |
1185 | if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL) | |
1186 | i=SSL_PKEY_RSA_SIGN; | |
1187 | else | |
1188 | i=SSL_PKEY_RSA_ENC; | |
1189 | } | |
1190 | else /* if (kalg & SSL_aNULL) */ | |
1191 | { | |
1192 | SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR); | |
1193 | return(NULL); | |
1194 | } | |
1195 | if (c->pkeys[i].x509 == NULL) return(NULL); | |
1196 | return(c->pkeys[i].x509); | |
1197 | } | |
1198 | ||
4f43d0e7 | 1199 | EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher) |
d02b48c6 RE |
1200 | { |
1201 | unsigned long alg; | |
1202 | CERT *c; | |
1203 | ||
1204 | alg=cipher->algorithms; | |
1205 | c=s->cert; | |
1206 | ||
1207 | if ((alg & SSL_aDSS) && | |
1208 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) | |
1209 | return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey); | |
1210 | else if (alg & SSL_aRSA) | |
1211 | { | |
1212 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
1213 | return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey); | |
1214 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
1215 | return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey); | |
1216 | else | |
1217 | return(NULL); | |
1218 | } | |
1219 | else /* if (alg & SSL_aNULL) */ | |
1220 | { | |
1221 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR); | |
1222 | return(NULL); | |
1223 | } | |
1224 | } | |
1225 | ||
4f43d0e7 | 1226 | void ssl_update_cache(SSL *s,int mode) |
d02b48c6 | 1227 | { |
58964a49 RE |
1228 | int i; |
1229 | ||
1230 | /* If the session_id_length is 0, we are not supposed to cache it, | |
1231 | * and it would be rather hard to do anyway :-) */ | |
1232 | if (s->session->session_id_length == 0) return; | |
1233 | ||
d02b48c6 RE |
1234 | if ((s->ctx->session_cache_mode & mode) |
1235 | && (!s->hit) | |
1236 | && SSL_CTX_add_session(s->ctx,s->session) | |
1237 | && (s->ctx->new_session_cb != NULL)) | |
1238 | { | |
58964a49 | 1239 | CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION); |
d02b48c6 RE |
1240 | if (!s->ctx->new_session_cb(s,s->session)) |
1241 | SSL_SESSION_free(s->session); | |
1242 | } | |
1243 | ||
1244 | /* auto flush every 255 connections */ | |
58964a49 RE |
1245 | i=s->ctx->session_cache_mode; |
1246 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && | |
1247 | ((i & mode) == mode)) | |
1248 | { | |
1249 | if ( (((mode & SSL_SESS_CACHE_CLIENT) | |
413c4f45 MC |
1250 | ?s->ctx->stats.sess_connect_good |
1251 | :s->ctx->stats.sess_accept_good) & 0xff) == 0xff) | |
58964a49 RE |
1252 | { |
1253 | SSL_CTX_flush_sessions(s->ctx,time(NULL)); | |
1254 | } | |
1255 | } | |
d02b48c6 RE |
1256 | } |
1257 | ||
4f43d0e7 | 1258 | SSL_METHOD *SSL_get_ssl_method(SSL *s) |
d02b48c6 RE |
1259 | { |
1260 | return(s->method); | |
1261 | } | |
1262 | ||
4f43d0e7 | 1263 | int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth) |
d02b48c6 RE |
1264 | { |
1265 | int conn= -1; | |
1266 | int ret=1; | |
1267 | ||
1268 | if (s->method != meth) | |
1269 | { | |
1270 | if (s->handshake_func != NULL) | |
1271 | conn=(s->handshake_func == s->method->ssl_connect); | |
1272 | ||
1273 | if (s->method->version == meth->version) | |
1274 | s->method=meth; | |
1275 | else | |
1276 | { | |
1277 | s->method->ssl_free(s); | |
1278 | s->method=meth; | |
1279 | ret=s->method->ssl_new(s); | |
1280 | } | |
1281 | ||
1282 | if (conn == 1) | |
1283 | s->handshake_func=meth->ssl_connect; | |
1284 | else if (conn == 0) | |
1285 | s->handshake_func=meth->ssl_accept; | |
1286 | } | |
1287 | return(ret); | |
1288 | } | |
1289 | ||
4f43d0e7 | 1290 | int SSL_get_error(SSL *s,int i) |
d02b48c6 RE |
1291 | { |
1292 | int reason; | |
413c4f45 | 1293 | unsigned long l; |
d02b48c6 RE |
1294 | BIO *bio; |
1295 | ||
1296 | if (i > 0) return(SSL_ERROR_NONE); | |
1297 | ||
413c4f45 MC |
1298 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake |
1299 | * etc, where we do encode the error */ | |
1300 | if ((l=ERR_peek_error()) != 0) | |
1301 | { | |
1302 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
1303 | return(SSL_ERROR_SYSCALL); | |
1304 | else | |
1305 | return(SSL_ERROR_SSL); | |
1306 | } | |
d02b48c6 RE |
1307 | |
1308 | if ((i < 0) && SSL_want_read(s)) | |
1309 | { | |
1310 | bio=SSL_get_rbio(s); | |
1311 | if (BIO_should_read(bio)) | |
1312 | return(SSL_ERROR_WANT_READ); | |
1313 | else if (BIO_should_write(bio)) | |
1314 | return(SSL_ERROR_WANT_WRITE); | |
1315 | else if (BIO_should_io_special(bio)) | |
1316 | { | |
1317 | reason=BIO_get_retry_reason(bio); | |
1318 | if (reason == BIO_RR_CONNECT) | |
1319 | return(SSL_ERROR_WANT_CONNECT); | |
1320 | else | |
1321 | return(SSL_ERROR_SYSCALL); /* unknown */ | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | if ((i < 0) && SSL_want_write(s)) | |
1326 | { | |
1327 | bio=SSL_get_wbio(s); | |
1328 | if (BIO_should_write(bio)) | |
1329 | return(SSL_ERROR_WANT_WRITE); | |
1330 | else if (BIO_should_read(bio)) | |
1331 | return(SSL_ERROR_WANT_READ); | |
1332 | else if (BIO_should_io_special(bio)) | |
1333 | { | |
1334 | reason=BIO_get_retry_reason(bio); | |
1335 | if (reason == BIO_RR_CONNECT) | |
1336 | return(SSL_ERROR_WANT_CONNECT); | |
1337 | else | |
1338 | return(SSL_ERROR_SYSCALL); | |
1339 | } | |
1340 | } | |
1341 | if ((i < 0) && SSL_want_x509_lookup(s)) | |
1342 | { | |
1343 | return(SSL_ERROR_WANT_X509_LOOKUP); | |
1344 | } | |
1345 | ||
1346 | if (i == 0) | |
1347 | { | |
58964a49 | 1348 | if (s->version == SSL2_VERSION) |
d02b48c6 RE |
1349 | { |
1350 | /* assume it is the socket being closed */ | |
1351 | return(SSL_ERROR_ZERO_RETURN); | |
1352 | } | |
1353 | else | |
1354 | { | |
1355 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
58964a49 | 1356 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) |
d02b48c6 RE |
1357 | return(SSL_ERROR_ZERO_RETURN); |
1358 | } | |
1359 | } | |
1360 | return(SSL_ERROR_SYSCALL); | |
1361 | } | |
1362 | ||
4f43d0e7 | 1363 | int SSL_do_handshake(SSL *s) |
d02b48c6 | 1364 | { |
58964a49 RE |
1365 | int ret=1; |
1366 | ||
d02b48c6 RE |
1367 | if (s->handshake_func == NULL) |
1368 | { | |
58964a49 | 1369 | SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET); |
d02b48c6 RE |
1370 | return(-1); |
1371 | } | |
dfeab068 RE |
1372 | |
1373 | s->method->ssl_renegotiate_check(s); | |
1374 | ||
d02b48c6 | 1375 | if (SSL_in_init(s) || SSL_in_before(s)) |
58964a49 RE |
1376 | { |
1377 | ret=s->handshake_func(s); | |
1378 | } | |
1379 | return(ret); | |
d02b48c6 RE |
1380 | } |
1381 | ||
1382 | /* For the next 2 functions, SSL_clear() sets shutdown and so | |
1383 | * one of these calls will reset it */ | |
4f43d0e7 | 1384 | void SSL_set_accept_state(SSL *s) |
d02b48c6 | 1385 | { |
413c4f45 | 1386 | s->server=1; |
d02b48c6 RE |
1387 | s->shutdown=0; |
1388 | s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE; | |
1389 | s->handshake_func=s->method->ssl_accept; | |
1390 | /* clear the current cipher */ | |
1391 | ssl_clear_cipher_ctx(s); | |
1392 | } | |
1393 | ||
4f43d0e7 | 1394 | void SSL_set_connect_state(SSL *s) |
d02b48c6 | 1395 | { |
413c4f45 | 1396 | s->server=0; |
d02b48c6 RE |
1397 | s->shutdown=0; |
1398 | s->state=SSL_ST_CONNECT|SSL_ST_BEFORE; | |
1399 | s->handshake_func=s->method->ssl_connect; | |
1400 | /* clear the current cipher */ | |
1401 | ssl_clear_cipher_ctx(s); | |
1402 | } | |
1403 | ||
4f43d0e7 | 1404 | int ssl_undefined_function(SSL *s) |
d02b48c6 RE |
1405 | { |
1406 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
1407 | return(0); | |
1408 | } | |
1409 | ||
4f43d0e7 | 1410 | SSL_METHOD *ssl_bad_method(int ver) |
d02b48c6 RE |
1411 | { |
1412 | SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
1413 | return(NULL); | |
1414 | } | |
1415 | ||
4f43d0e7 | 1416 | char *SSL_get_version(SSL *s) |
d02b48c6 | 1417 | { |
58964a49 RE |
1418 | if (s->version == TLS1_VERSION) |
1419 | return("TLSv1"); | |
1420 | else if (s->version == SSL3_VERSION) | |
d02b48c6 | 1421 | return("SSLv3"); |
58964a49 | 1422 | else if (s->version == SSL2_VERSION) |
d02b48c6 RE |
1423 | return("SSLv2"); |
1424 | else | |
1425 | return("unknown"); | |
1426 | } | |
1427 | ||
4f43d0e7 | 1428 | SSL *SSL_dup(SSL *s) |
d02b48c6 RE |
1429 | { |
1430 | STACK *sk; | |
1431 | X509_NAME *xn; | |
1432 | SSL *ret; | |
1433 | int i; | |
1434 | ||
b4cadc6e BL |
1435 | if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
1436 | return(NULL); | |
d02b48c6 RE |
1437 | |
1438 | /* This copies version, session-id, SSL_METHOD and 'cert' */ | |
1439 | SSL_copy_session_id(ret,s); | |
1440 | ||
1441 | SSL_set_read_ahead(ret,SSL_get_read_ahead(s)); | |
1442 | SSL_set_verify(ret,SSL_get_verify_mode(s), | |
1443 | SSL_get_verify_callback(s)); | |
1444 | ||
1445 | SSL_set_info_callback(ret,SSL_get_info_callback(s)); | |
1446 | ||
1447 | ret->debug=s->debug; | |
58964a49 | 1448 | ret->options=s->options; |
d02b48c6 RE |
1449 | |
1450 | /* copy app data, a little dangerous perhaps */ | |
58964a49 RE |
1451 | if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data)) |
1452 | goto err; | |
d02b48c6 RE |
1453 | |
1454 | /* setup rbio, and wbio */ | |
1455 | if (s->rbio != NULL) | |
1456 | { | |
1457 | if (!BIO_dup_state(s->rbio,(char *)&ret->rbio)) | |
1458 | goto err; | |
1459 | } | |
1460 | if (s->wbio != NULL) | |
1461 | { | |
1462 | if (s->wbio != s->rbio) | |
1463 | { | |
58964a49 | 1464 | if (!BIO_dup_state(s->wbio,(char *)&ret->wbio)) |
d02b48c6 RE |
1465 | goto err; |
1466 | } | |
1467 | else | |
1468 | ret->wbio=ret->rbio; | |
1469 | } | |
1470 | ||
1471 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
1472 | if (s->cipher_list != NULL) | |
1473 | { | |
1474 | if ((ret->cipher_list=sk_dup(s->cipher_list)) == NULL) | |
1475 | goto err; | |
1476 | } | |
1477 | if (s->cipher_list_by_id != NULL) | |
1478 | if ((ret->cipher_list_by_id=sk_dup(s->cipher_list_by_id)) | |
1479 | == NULL) | |
1480 | goto err; | |
1481 | ||
1482 | /* Dup the client_CA list */ | |
1483 | if (s->client_CA != NULL) | |
1484 | { | |
1485 | if ((sk=sk_dup(s->client_CA)) == NULL) goto err; | |
1486 | ret->client_CA=sk; | |
1487 | for (i=0; i<sk_num(sk); i++) | |
1488 | { | |
1489 | xn=(X509_NAME *)sk_value(sk,i); | |
1490 | if ((sk_value(sk,i)=(char *)X509_NAME_dup(xn)) == NULL) | |
1491 | { | |
1492 | X509_NAME_free(xn); | |
1493 | goto err; | |
1494 | } | |
1495 | } | |
1496 | } | |
1497 | ||
1498 | ret->shutdown=s->shutdown; | |
1499 | ret->state=s->state; | |
1500 | ret->handshake_func=s->handshake_func; | |
413c4f45 | 1501 | ret->server=s->server; |
d02b48c6 RE |
1502 | |
1503 | if (0) | |
1504 | { | |
1505 | err: | |
1506 | if (ret != NULL) SSL_free(ret); | |
1507 | ret=NULL; | |
1508 | } | |
1509 | return(ret); | |
1510 | } | |
1511 | ||
4f43d0e7 | 1512 | void ssl_clear_cipher_ctx(SSL *s) |
d02b48c6 RE |
1513 | { |
1514 | if (s->enc_read_ctx != NULL) | |
1515 | { | |
1516 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
1517 | Free(s->enc_read_ctx); | |
1518 | s->enc_read_ctx=NULL; | |
1519 | } | |
1520 | if (s->enc_write_ctx != NULL) | |
1521 | { | |
1522 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
1523 | Free(s->enc_write_ctx); | |
1524 | s->enc_write_ctx=NULL; | |
1525 | } | |
413c4f45 MC |
1526 | if (s->expand != NULL) |
1527 | { | |
1528 | COMP_CTX_free(s->expand); | |
1529 | s->expand=NULL; | |
1530 | } | |
1531 | if (s->compress != NULL) | |
1532 | { | |
1533 | COMP_CTX_free(s->compress); | |
1534 | s->compress=NULL; | |
1535 | } | |
d02b48c6 RE |
1536 | } |
1537 | ||
58964a49 | 1538 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 1539 | X509 *SSL_get_certificate(SSL *s) |
d02b48c6 RE |
1540 | { |
1541 | if (s->cert != NULL) | |
1542 | return(s->cert->key->x509); | |
1543 | else | |
1544 | return(NULL); | |
1545 | } | |
1546 | ||
58964a49 | 1547 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 1548 | EVP_PKEY *SSL_get_privatekey(SSL *s) |
d02b48c6 RE |
1549 | { |
1550 | if (s->cert != NULL) | |
1551 | return(s->cert->key->privatekey); | |
1552 | else | |
1553 | return(NULL); | |
1554 | } | |
1555 | ||
4f43d0e7 | 1556 | SSL_CIPHER *SSL_get_current_cipher(SSL *s) |
d02b48c6 RE |
1557 | { |
1558 | if ((s->session != NULL) && (s->session->cipher != NULL)) | |
1559 | return(s->session->cipher); | |
1560 | return(NULL); | |
1561 | } | |
1562 | ||
4f43d0e7 | 1563 | int ssl_init_wbio_buffer(SSL *s,int push) |
58964a49 RE |
1564 | { |
1565 | BIO *bbio; | |
1566 | ||
1567 | if (s->bbio == NULL) | |
1568 | { | |
1569 | bbio=BIO_new(BIO_f_buffer()); | |
1570 | if (bbio == NULL) return(0); | |
1571 | s->bbio=bbio; | |
1572 | } | |
1573 | else | |
1574 | { | |
1575 | bbio=s->bbio; | |
1576 | if (s->bbio == s->wbio) | |
1577 | s->wbio=BIO_pop(s->wbio); | |
1578 | } | |
1579 | BIO_reset(bbio); | |
1580 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ | |
1581 | if (!BIO_set_read_buffer_size(bbio,1)) | |
1582 | { | |
1583 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB); | |
1584 | return(0); | |
1585 | } | |
1586 | if (push) | |
1587 | { | |
1588 | if (s->wbio != bbio) | |
1589 | s->wbio=BIO_push(bbio,s->wbio); | |
1590 | } | |
1591 | else | |
1592 | { | |
1593 | if (s->wbio == bbio) | |
1594 | s->wbio=BIO_pop(bbio); | |
1595 | } | |
1596 | return(1); | |
1597 | } | |
413c4f45 | 1598 | |
4f43d0e7 | 1599 | void ssl_free_wbio_buffer(SSL *s) |
413c4f45 MC |
1600 | { |
1601 | BIO *under; | |
1602 | ||
1603 | if (s->bbio == NULL) return; | |
1604 | ||
1605 | if (s->bbio == s->wbio) | |
1606 | { | |
1607 | /* remove buffering */ | |
1608 | under=BIO_pop(s->wbio); | |
1609 | if (under != NULL) | |
1610 | s->wbio=under; | |
1611 | else | |
1612 | abort(); /* ok */ | |
1613 | } | |
1614 | BIO_free(s->bbio); | |
1615 | s->bbio=NULL; | |
1616 | } | |
58964a49 | 1617 | |
4f43d0e7 | 1618 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode) |
58964a49 RE |
1619 | { |
1620 | ctx->quiet_shutdown=mode; | |
1621 | } | |
1622 | ||
4f43d0e7 | 1623 | int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx) |
58964a49 RE |
1624 | { |
1625 | return(ctx->quiet_shutdown); | |
1626 | } | |
1627 | ||
4f43d0e7 | 1628 | void SSL_set_quiet_shutdown(SSL *s,int mode) |
58964a49 RE |
1629 | { |
1630 | s->quiet_shutdown=mode; | |
1631 | } | |
1632 | ||
4f43d0e7 | 1633 | int SSL_get_quiet_shutdown(SSL *s) |
58964a49 RE |
1634 | { |
1635 | return(s->quiet_shutdown); | |
1636 | } | |
1637 | ||
4f43d0e7 | 1638 | void SSL_set_shutdown(SSL *s,int mode) |
58964a49 RE |
1639 | { |
1640 | s->shutdown=mode; | |
1641 | } | |
1642 | ||
4f43d0e7 | 1643 | int SSL_get_shutdown(SSL *s) |
58964a49 RE |
1644 | { |
1645 | return(s->shutdown); | |
1646 | } | |
1647 | ||
4f43d0e7 | 1648 | int SSL_version(SSL *s) |
58964a49 RE |
1649 | { |
1650 | return(s->version); | |
1651 | } | |
1652 | ||
4f43d0e7 | 1653 | SSL_CTX *SSL_get_SSL_CTX(SSL *ssl) |
58964a49 RE |
1654 | { |
1655 | return(ssl->ctx); | |
1656 | } | |
1657 | ||
dfeab068 | 1658 | #ifndef NO_STDIO |
4f43d0e7 | 1659 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
58964a49 RE |
1660 | { |
1661 | return(X509_STORE_set_default_paths(ctx->cert_store)); | |
1662 | } | |
1663 | ||
4f43d0e7 | 1664 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx,char *CAfile,char *CApath) |
58964a49 RE |
1665 | { |
1666 | return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath)); | |
1667 | } | |
dfeab068 | 1668 | #endif |
58964a49 | 1669 | |
4f43d0e7 | 1670 | void SSL_set_info_callback(SSL *ssl,void (*cb)()) |
58964a49 RE |
1671 | { |
1672 | ssl->info_callback=cb; | |
1673 | } | |
1674 | ||
4f43d0e7 | 1675 | void (*SSL_get_info_callback(SSL *ssl))() |
58964a49 | 1676 | { |
dfeab068 | 1677 | return((void (*)())ssl->info_callback); |
58964a49 RE |
1678 | } |
1679 | ||
4f43d0e7 | 1680 | int SSL_state(SSL *ssl) |
58964a49 RE |
1681 | { |
1682 | return(ssl->state); | |
1683 | } | |
1684 | ||
4f43d0e7 | 1685 | void SSL_set_verify_result(SSL *ssl,long arg) |
58964a49 RE |
1686 | { |
1687 | ssl->verify_result=arg; | |
1688 | } | |
1689 | ||
4f43d0e7 | 1690 | long SSL_get_verify_result(SSL *ssl) |
58964a49 RE |
1691 | { |
1692 | return(ssl->verify_result); | |
1693 | } | |
1694 | ||
4f43d0e7 BL |
1695 | int SSL_get_ex_new_index(long argl,char *argp,int (*new_func)(), |
1696 | int (*dup_func)(),void (*free_func)()) | |
58964a49 RE |
1697 | { |
1698 | ssl_meth_num++; | |
1699 | return(CRYPTO_get_ex_new_index(ssl_meth_num-1, | |
1700 | &ssl_meth,argl,argp,new_func,dup_func,free_func)); | |
1701 | } | |
1702 | ||
4f43d0e7 | 1703 | int SSL_set_ex_data(SSL *s,int idx,void *arg) |
58964a49 RE |
1704 | { |
1705 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
1706 | } | |
1707 | ||
4f43d0e7 | 1708 | void *SSL_get_ex_data(SSL *s,int idx) |
58964a49 RE |
1709 | { |
1710 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
1711 | } | |
1712 | ||
4f43d0e7 BL |
1713 | int SSL_CTX_get_ex_new_index(long argl,char *argp,int (*new_func)(), |
1714 | int (*dup_func)(),void (*free_func)()) | |
58964a49 RE |
1715 | { |
1716 | ssl_ctx_meth_num++; | |
1717 | return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1, | |
1718 | &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func)); | |
1719 | } | |
1720 | ||
4f43d0e7 | 1721 | int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg) |
58964a49 RE |
1722 | { |
1723 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
1724 | } | |
1725 | ||
4f43d0e7 | 1726 | void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx) |
58964a49 RE |
1727 | { |
1728 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
1729 | } | |
1730 | ||
4f43d0e7 | 1731 | int ssl_ok(SSL *s) |
dfeab068 RE |
1732 | { |
1733 | return(1); | |
1734 | } | |
1735 | ||
4f43d0e7 | 1736 | X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx) |
413c4f45 MC |
1737 | { |
1738 | return(ctx->cert_store); | |
1739 | } | |
1740 | ||
4f43d0e7 | 1741 | void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store) |
413c4f45 MC |
1742 | { |
1743 | if (ctx->cert_store != NULL) | |
1744 | X509_STORE_free(ctx->cert_store); | |
1745 | ctx->cert_store=store; | |
1746 | } | |
1747 | ||
4f43d0e7 | 1748 | int SSL_want(SSL *s) |
413c4f45 MC |
1749 | { |
1750 | return(s->rwstate); | |
1751 | } | |
1752 | ||
4f43d0e7 BL |
1753 | /*! |
1754 | * \brief Set the callback for generating temporary RSA keys. | |
1755 | * \param ctx the SSL context. | |
1756 | * \param cb the callback | |
1757 | */ | |
1758 | ||
60e31c3a BL |
1759 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,int export, |
1760 | int keylength)) | |
f8c3c05d BL |
1761 | { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); } |
1762 | ||
4f43d0e7 BL |
1763 | #ifdef DOXYGEN |
1764 | /*! | |
1765 | * \brief The RSA temporary key callback function. | |
1766 | * \param ssl the SSL session. | |
1767 | * \param export \c TRUE if the temp RSA key is for an export ciphersuite. | |
1768 | * \param keylength if \c export is \c TRUE, then \c keylength is the size of | |
1769 | * the required key in bits. | |
1770 | * \return the temporary RSA key. | |
1771 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
1772 | */ | |
1773 | ||
1774 | RSA *cb(SSL *ssl,int export,int keylength) | |
1775 | {} | |
1776 | #endif | |
1777 | ||
1778 | /*! | |
1779 | * \brief Set the callback for generating temporary DH keys. | |
1780 | * \param ctx the SSL context. | |
1781 | * \param dh the callback | |
1782 | */ | |
1783 | ||
60e31c3a BL |
1784 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int export, |
1785 | int keylength)) | |
f8c3c05d BL |
1786 | { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); } |
1787 | ||
15d21c2d RE |
1788 | void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,int export, |
1789 | int keylength)) | |
1790 | { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); } | |
1791 | ||
1792 | void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int export, | |
1793 | int keylength)) | |
1794 | { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); } | |
1795 | ||
58964a49 RE |
1796 | #if defined(_WINDLL) && defined(WIN16) |
1797 | #include "../crypto/bio/bss_file.c" | |
1798 | #endif |