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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 | ||
9cb0969f | 66 | char *SSL_version_str="OpenSSL 0.9.2 31-Dec-1998"; |
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, | |
184 | CRYPTO_LOCK_SSL_CERT); | |
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 | ||
4f43d0e7 | 219 | void SSL_free(SSL *s) |
d02b48c6 | 220 | { |
58964a49 RE |
221 | int i; |
222 | ||
e03ddfae BL |
223 | if(s == NULL) |
224 | return; | |
225 | ||
58964a49 RE |
226 | i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL); |
227 | #ifdef REF_PRINT | |
228 | REF_PRINT("SSL",s); | |
229 | #endif | |
230 | if (i > 0) return; | |
231 | #ifdef REF_CHECK | |
232 | if (i < 0) | |
233 | { | |
234 | fprintf(stderr,"SSL_free, bad reference count\n"); | |
235 | abort(); /* ok */ | |
236 | } | |
237 | #endif | |
238 | ||
239 | CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data); | |
240 | ||
d02b48c6 RE |
241 | if (s->bbio != NULL) |
242 | { | |
243 | /* If the buffering BIO is in place, pop it off */ | |
244 | if (s->bbio == s->wbio) | |
245 | { | |
246 | s->wbio=BIO_pop(s->wbio); | |
247 | } | |
248 | BIO_free(s->bbio); | |
58964a49 | 249 | s->bbio=NULL; |
d02b48c6 RE |
250 | } |
251 | if (s->rbio != NULL) | |
252 | BIO_free_all(s->rbio); | |
253 | if ((s->wbio != NULL) && (s->wbio != s->rbio)) | |
254 | BIO_free_all(s->wbio); | |
255 | ||
256 | if (s->init_buf != NULL) BUF_MEM_free(s->init_buf); | |
257 | ||
258 | /* add extra stuff */ | |
259 | if (s->cipher_list != NULL) sk_free(s->cipher_list); | |
260 | if (s->cipher_list_by_id != NULL) sk_free(s->cipher_list_by_id); | |
261 | ||
262 | /* Make the next call work :-) */ | |
263 | if (s->session != NULL) | |
264 | { | |
265 | ssl_clear_bad_session(s); | |
266 | SSL_SESSION_free(s->session); | |
267 | } | |
268 | ||
269 | ssl_clear_cipher_ctx(s); | |
270 | ||
271 | if (s->cert != NULL) ssl_cert_free(s->cert); | |
272 | /* Free up if allocated */ | |
273 | ||
274 | if (s->ctx) SSL_CTX_free(s->ctx); | |
275 | ||
276 | if (s->client_CA != NULL) | |
277 | sk_pop_free(s->client_CA,X509_NAME_free); | |
278 | ||
279 | if (s->method != NULL) s->method->ssl_free(s); | |
280 | ||
281 | Free((char *)s); | |
282 | } | |
283 | ||
4f43d0e7 | 284 | void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio) |
d02b48c6 RE |
285 | { |
286 | /* If the output buffering BIO is still in place, remove it | |
287 | */ | |
288 | if (s->bbio != NULL) | |
289 | { | |
290 | if (s->wbio == s->bbio) | |
291 | { | |
292 | s->wbio=s->wbio->next_bio; | |
293 | s->bbio->next_bio=NULL; | |
294 | } | |
295 | } | |
296 | if ((s->rbio != NULL) && (s->rbio != rbio)) | |
297 | BIO_free_all(s->rbio); | |
298 | if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio)) | |
299 | BIO_free_all(s->wbio); | |
300 | s->rbio=rbio; | |
301 | s->wbio=wbio; | |
302 | } | |
303 | ||
4f43d0e7 | 304 | BIO *SSL_get_rbio(SSL *s) |
d02b48c6 RE |
305 | { return(s->rbio); } |
306 | ||
4f43d0e7 | 307 | BIO *SSL_get_wbio(SSL *s) |
d02b48c6 RE |
308 | { return(s->wbio); } |
309 | ||
4f43d0e7 | 310 | int SSL_get_fd(SSL *s) |
d02b48c6 RE |
311 | { |
312 | int ret= -1; | |
313 | BIO *b,*r; | |
314 | ||
315 | b=SSL_get_rbio(s); | |
316 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
317 | if (r != NULL) | |
318 | BIO_get_fd(r,&ret); | |
319 | return(ret); | |
320 | } | |
321 | ||
322 | #ifndef NO_SOCK | |
4f43d0e7 | 323 | int SSL_set_fd(SSL *s,int fd) |
d02b48c6 RE |
324 | { |
325 | int ret=0; | |
326 | BIO *bio=NULL; | |
327 | ||
328 | bio=BIO_new(BIO_s_socket()); | |
329 | ||
330 | if (bio == NULL) | |
331 | { | |
332 | SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB); | |
333 | goto err; | |
334 | } | |
335 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
336 | SSL_set_bio(s,bio,bio); | |
337 | ret=1; | |
338 | err: | |
339 | return(ret); | |
340 | } | |
341 | ||
4f43d0e7 | 342 | int SSL_set_wfd(SSL *s,int fd) |
d02b48c6 RE |
343 | { |
344 | int ret=0; | |
345 | BIO *bio=NULL; | |
346 | ||
58964a49 RE |
347 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) |
348 | || ((int)BIO_get_fd(s->rbio,NULL) != fd)) | |
349 | { | |
350 | bio=BIO_new(BIO_s_socket()); | |
d02b48c6 | 351 | |
58964a49 RE |
352 | if (bio == NULL) |
353 | { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; } | |
354 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
355 | SSL_set_bio(s,SSL_get_rbio(s),bio); | |
356 | } | |
357 | else | |
358 | SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s)); | |
d02b48c6 RE |
359 | ret=1; |
360 | err: | |
361 | return(ret); | |
362 | } | |
363 | ||
4f43d0e7 | 364 | int SSL_set_rfd(SSL *s,int fd) |
d02b48c6 RE |
365 | { |
366 | int ret=0; | |
367 | BIO *bio=NULL; | |
368 | ||
58964a49 RE |
369 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) |
370 | || ((int)BIO_get_fd(s->wbio,NULL) != fd)) | |
d02b48c6 | 371 | { |
58964a49 RE |
372 | bio=BIO_new(BIO_s_socket()); |
373 | ||
374 | if (bio == NULL) | |
375 | { | |
376 | SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB); | |
377 | goto err; | |
378 | } | |
379 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
380 | SSL_set_bio(s,bio,SSL_get_wbio(s)); | |
d02b48c6 | 381 | } |
58964a49 RE |
382 | else |
383 | SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s)); | |
d02b48c6 RE |
384 | ret=1; |
385 | err: | |
386 | return(ret); | |
387 | } | |
388 | #endif | |
389 | ||
4f43d0e7 | 390 | int SSL_get_verify_mode(SSL *s) |
d02b48c6 RE |
391 | { |
392 | return(s->verify_mode); | |
393 | } | |
394 | ||
a06c602e | 395 | int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *) |
d02b48c6 RE |
396 | { |
397 | return(s->verify_callback); | |
398 | } | |
399 | ||
4f43d0e7 | 400 | int SSL_CTX_get_verify_mode(SSL_CTX *ctx) |
d02b48c6 | 401 | { |
413c4f45 | 402 | return(ctx->verify_mode); |
d02b48c6 RE |
403 | } |
404 | ||
a06c602e | 405 | int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *) |
d02b48c6 RE |
406 | { |
407 | return(ctx->default_verify_callback); | |
408 | } | |
409 | ||
49bc2624 BL |
410 | void SSL_set_verify(SSL *s,int mode, |
411 | int (*callback)(int ok,X509_STORE_CTX *ctx)) | |
d02b48c6 RE |
412 | { |
413 | s->verify_mode=mode; | |
414 | if (callback != NULL) | |
415 | s->verify_callback=callback; | |
416 | } | |
417 | ||
4f43d0e7 | 418 | void SSL_set_read_ahead(SSL *s,int yes) |
d02b48c6 RE |
419 | { |
420 | s->read_ahead=yes; | |
421 | } | |
422 | ||
4f43d0e7 | 423 | int SSL_get_read_ahead(SSL *s) |
d02b48c6 RE |
424 | { |
425 | return(s->read_ahead); | |
426 | } | |
427 | ||
4f43d0e7 | 428 | int SSL_pending(SSL *s) |
d02b48c6 RE |
429 | { |
430 | return(s->method->ssl_pending(s)); | |
431 | } | |
432 | ||
4f43d0e7 | 433 | X509 *SSL_get_peer_certificate(SSL *s) |
d02b48c6 RE |
434 | { |
435 | X509 *r; | |
436 | ||
437 | if ((s == NULL) || (s->session == NULL)) | |
438 | r=NULL; | |
439 | else | |
440 | r=s->session->peer; | |
441 | ||
442 | if (r == NULL) return(r); | |
443 | ||
444 | CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509); | |
445 | ||
446 | return(r); | |
447 | } | |
448 | ||
4f43d0e7 | 449 | STACK *SSL_get_peer_cert_chain(SSL *s) |
d02b48c6 RE |
450 | { |
451 | STACK *r; | |
452 | ||
453 | if ((s == NULL) || (s->session == NULL) || (s->session->cert == NULL)) | |
454 | r=NULL; | |
455 | else | |
456 | r=s->session->cert->cert_chain; | |
457 | ||
458 | return(r); | |
459 | } | |
460 | ||
461 | /* Now in theory, since the calling process own 't' it should be safe to | |
462 | * modify. We need to be able to read f without being hassled */ | |
4f43d0e7 | 463 | void SSL_copy_session_id(SSL *t,SSL *f) |
d02b48c6 RE |
464 | { |
465 | CERT *tmp; | |
466 | ||
467 | /* Do we need to to SSL locking? */ | |
468 | SSL_set_session(t,SSL_get_session(f)); | |
469 | ||
470 | /* what if we are setup as SSLv2 but want to talk SSLv3 or | |
471 | * vice-versa */ | |
472 | if (t->method != f->method) | |
473 | { | |
474 | t->method->ssl_free(t); /* cleanup current */ | |
475 | t->method=f->method; /* change method */ | |
476 | t->method->ssl_new(t); /* setup new */ | |
477 | } | |
478 | ||
479 | tmp=t->cert; | |
480 | if (f->cert != NULL) | |
481 | { | |
482 | CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT); | |
483 | t->cert=f->cert; | |
484 | } | |
485 | else | |
486 | t->cert=NULL; | |
487 | if (tmp != NULL) ssl_cert_free(tmp); | |
488 | } | |
489 | ||
58964a49 | 490 | /* Fix this so it checks all the valid key/cert options */ |
4f43d0e7 | 491 | int SSL_CTX_check_private_key(SSL_CTX *ctx) |
d02b48c6 RE |
492 | { |
493 | if ( (ctx == NULL) || | |
494 | (ctx->default_cert == NULL) || | |
495 | (ctx->default_cert->key->x509 == NULL)) | |
496 | { | |
497 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
498 | return(0); | |
499 | } | |
500 | if (ctx->default_cert->key->privatekey == NULL) | |
501 | { | |
502 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
503 | return(0); | |
504 | } | |
505 | return(X509_check_private_key(ctx->default_cert->key->x509, ctx->default_cert->key->privatekey)); | |
506 | } | |
507 | ||
58964a49 | 508 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 509 | int SSL_check_private_key(SSL *ssl) |
d02b48c6 RE |
510 | { |
511 | if (ssl == NULL) | |
512 | { | |
513 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER); | |
514 | return(0); | |
515 | } | |
516 | if (ssl->cert == NULL) | |
517 | return(SSL_CTX_check_private_key(ssl->ctx)); | |
518 | if (ssl->cert->key->x509 == NULL) | |
519 | { | |
520 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
521 | return(0); | |
522 | } | |
523 | if (ssl->cert->key->privatekey == NULL) | |
524 | { | |
525 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
526 | return(0); | |
527 | } | |
528 | return(X509_check_private_key(ssl->cert->key->x509, | |
529 | ssl->cert->key->privatekey)); | |
530 | } | |
531 | ||
4f43d0e7 | 532 | int SSL_accept(SSL *s) |
d02b48c6 RE |
533 | { |
534 | return(s->method->ssl_accept(s)); | |
535 | } | |
536 | ||
4f43d0e7 | 537 | int SSL_connect(SSL *s) |
d02b48c6 RE |
538 | { |
539 | return(s->method->ssl_connect(s)); | |
540 | } | |
541 | ||
4f43d0e7 | 542 | long SSL_get_default_timeout(SSL *s) |
d02b48c6 RE |
543 | { |
544 | return(s->method->get_timeout()); | |
545 | } | |
546 | ||
4f43d0e7 | 547 | int SSL_read(SSL *s,char *buf,int num) |
d02b48c6 RE |
548 | { |
549 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) | |
550 | { | |
551 | s->rwstate=SSL_NOTHING; | |
552 | return(0); | |
553 | } | |
554 | return(s->method->ssl_read(s,buf,num)); | |
555 | } | |
556 | ||
4f43d0e7 | 557 | int SSL_peek(SSL *s,char *buf,int num) |
d02b48c6 RE |
558 | { |
559 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) | |
560 | { | |
561 | return(0); | |
562 | } | |
563 | return(s->method->ssl_peek(s,buf,num)); | |
564 | } | |
565 | ||
4f43d0e7 | 566 | int SSL_write(SSL *s,const char *buf,int num) |
d02b48c6 RE |
567 | { |
568 | if (s->shutdown & SSL_SENT_SHUTDOWN) | |
569 | { | |
570 | s->rwstate=SSL_NOTHING; | |
571 | SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN); | |
572 | return(-1); | |
573 | } | |
574 | return(s->method->ssl_write(s,buf,num)); | |
575 | } | |
576 | ||
4f43d0e7 | 577 | int SSL_shutdown(SSL *s) |
d02b48c6 RE |
578 | { |
579 | if ((s != NULL) && !SSL_in_init(s)) | |
580 | return(s->method->ssl_shutdown(s)); | |
581 | else | |
582 | return(1); | |
583 | } | |
584 | ||
4f43d0e7 | 585 | int SSL_renegotiate(SSL *s) |
d02b48c6 | 586 | { |
58964a49 | 587 | s->new_session=1; |
d02b48c6 RE |
588 | return(s->method->ssl_renegotiate(s)); |
589 | } | |
590 | ||
4f43d0e7 | 591 | long SSL_ctrl(SSL *s,int cmd,long larg,char *parg) |
d02b48c6 | 592 | { |
413c4f45 MC |
593 | long l; |
594 | ||
595 | switch (cmd) | |
596 | { | |
597 | case SSL_CTRL_GET_READ_AHEAD: | |
598 | return(s->read_ahead); | |
599 | case SSL_CTRL_SET_READ_AHEAD: | |
600 | l=s->read_ahead; | |
601 | s->read_ahead=larg; | |
602 | return(l); | |
603 | case SSL_CTRL_OPTIONS: | |
604 | return(s->options|=larg); | |
605 | default: | |
606 | return(s->method->ssl_ctrl(s,cmd,larg,parg)); | |
607 | } | |
608 | return(0); | |
d02b48c6 RE |
609 | } |
610 | ||
4f43d0e7 | 611 | long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg) |
d02b48c6 | 612 | { |
413c4f45 MC |
613 | long l; |
614 | ||
615 | switch (cmd) | |
616 | { | |
617 | case SSL_CTRL_GET_READ_AHEAD: | |
618 | return(ctx->read_ahead); | |
619 | case SSL_CTRL_SET_READ_AHEAD: | |
620 | l=ctx->read_ahead; | |
621 | ctx->read_ahead=larg; | |
622 | return(l); | |
623 | ||
624 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
625 | l=ctx->session_cache_size; | |
626 | ctx->session_cache_size=larg; | |
627 | return(l); | |
628 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
629 | return(ctx->session_cache_size); | |
630 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
631 | l=ctx->session_cache_mode; | |
632 | ctx->session_cache_mode=larg; | |
633 | return(l); | |
634 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
635 | return(ctx->session_cache_mode); | |
636 | ||
637 | case SSL_CTRL_SESS_NUMBER: | |
638 | return(ctx->sessions->num_items); | |
639 | case SSL_CTRL_SESS_CONNECT: | |
640 | return(ctx->stats.sess_connect); | |
641 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
642 | return(ctx->stats.sess_connect_good); | |
643 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
644 | return(ctx->stats.sess_connect_renegotiate); | |
645 | case SSL_CTRL_SESS_ACCEPT: | |
646 | return(ctx->stats.sess_accept); | |
647 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
648 | return(ctx->stats.sess_accept_good); | |
649 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
650 | return(ctx->stats.sess_accept_renegotiate); | |
651 | case SSL_CTRL_SESS_HIT: | |
652 | return(ctx->stats.sess_hit); | |
653 | case SSL_CTRL_SESS_CB_HIT: | |
654 | return(ctx->stats.sess_cb_hit); | |
655 | case SSL_CTRL_SESS_MISSES: | |
656 | return(ctx->stats.sess_miss); | |
657 | case SSL_CTRL_SESS_TIMEOUTS: | |
658 | return(ctx->stats.sess_timeout); | |
659 | case SSL_CTRL_SESS_CACHE_FULL: | |
660 | return(ctx->stats.sess_cache_full); | |
661 | case SSL_CTRL_OPTIONS: | |
662 | return(ctx->options|=larg); | |
663 | default: | |
664 | return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg)); | |
665 | } | |
666 | return(0); | |
d02b48c6 RE |
667 | } |
668 | ||
4f43d0e7 | 669 | int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b) |
d02b48c6 RE |
670 | { |
671 | long l; | |
672 | ||
673 | l=a->id-b->id; | |
674 | if (l == 0L) | |
675 | return(0); | |
676 | else | |
677 | return((l > 0)?1:-1); | |
678 | } | |
679 | ||
4f43d0e7 | 680 | int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp) |
d02b48c6 RE |
681 | { |
682 | long l; | |
683 | ||
684 | l=(*ap)->id-(*bp)->id; | |
685 | if (l == 0L) | |
686 | return(0); | |
687 | else | |
688 | return((l > 0)?1:-1); | |
689 | } | |
690 | ||
4f43d0e7 | 691 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 692 | * preference */ |
4f43d0e7 | 693 | STACK *SSL_get_ciphers(SSL *s) |
d02b48c6 RE |
694 | { |
695 | if ((s != NULL) && (s->cipher_list != NULL)) | |
696 | { | |
697 | return(s->cipher_list); | |
698 | } | |
58964a49 | 699 | else if ((s->ctx != NULL) && |
d02b48c6 RE |
700 | (s->ctx->cipher_list != NULL)) |
701 | { | |
702 | return(s->ctx->cipher_list); | |
703 | } | |
704 | return(NULL); | |
705 | } | |
706 | ||
4f43d0e7 | 707 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 708 | * algorithm id */ |
4f43d0e7 | 709 | STACK *ssl_get_ciphers_by_id(SSL *s) |
d02b48c6 RE |
710 | { |
711 | if ((s != NULL) && (s->cipher_list_by_id != NULL)) | |
712 | { | |
713 | return(s->cipher_list_by_id); | |
714 | } | |
715 | else if ((s != NULL) && (s->ctx != NULL) && | |
716 | (s->ctx->cipher_list_by_id != NULL)) | |
717 | { | |
718 | return(s->ctx->cipher_list_by_id); | |
719 | } | |
720 | return(NULL); | |
721 | } | |
722 | ||
4f43d0e7 BL |
723 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
724 | char *SSL_get_cipher_list(SSL *s,int n) | |
d02b48c6 RE |
725 | { |
726 | SSL_CIPHER *c; | |
727 | STACK *sk; | |
728 | ||
729 | if (s == NULL) return(NULL); | |
730 | sk=SSL_get_ciphers(s); | |
731 | if ((sk == NULL) || (sk_num(sk) <= n)) | |
732 | return(NULL); | |
733 | c=(SSL_CIPHER *)sk_value(sk,n); | |
734 | if (c == NULL) return(NULL); | |
735 | return(c->name); | |
736 | } | |
737 | ||
4f43d0e7 BL |
738 | /** specify the ciphers to be used by defaut by the SSL_CTX */ |
739 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx,char *str) | |
d02b48c6 RE |
740 | { |
741 | STACK *sk; | |
742 | ||
743 | sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list, | |
744 | &ctx->cipher_list_by_id,str); | |
745 | /* XXXX */ | |
746 | return((sk == NULL)?0:1); | |
747 | } | |
748 | ||
4f43d0e7 BL |
749 | /** specify the ciphers to be used by the SSL */ |
750 | int SSL_set_cipher_list(SSL *s,char *str) | |
d02b48c6 RE |
751 | { |
752 | STACK *sk; | |
753 | ||
754 | sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list, | |
755 | &s->cipher_list_by_id,str); | |
756 | /* XXXX */ | |
757 | return((sk == NULL)?0:1); | |
758 | } | |
759 | ||
760 | /* works well for SSLv2, not so good for SSLv3 */ | |
4f43d0e7 | 761 | char *SSL_get_shared_ciphers(SSL *s,char *buf,int len) |
d02b48c6 RE |
762 | { |
763 | char *p,*cp; | |
764 | STACK *sk; | |
765 | SSL_CIPHER *c; | |
766 | int i; | |
767 | ||
768 | if ((s->session == NULL) || (s->session->ciphers == NULL) || | |
769 | (len < 2)) | |
770 | return(NULL); | |
771 | ||
772 | p=buf; | |
773 | sk=s->session->ciphers; | |
d02b48c6 RE |
774 | for (i=0; i<sk_num(sk); i++) |
775 | { | |
58964a49 RE |
776 | /* Decrement for either the ':' or a '\0' */ |
777 | len--; | |
d02b48c6 RE |
778 | c=(SSL_CIPHER *)sk_value(sk,i); |
779 | for (cp=c->name; *cp; ) | |
780 | { | |
58964a49 | 781 | if (len-- == 0) |
d02b48c6 RE |
782 | { |
783 | *p='\0'; | |
784 | return(buf); | |
785 | } | |
786 | else | |
787 | *(p++)= *(cp++); | |
788 | } | |
789 | *(p++)=':'; | |
790 | } | |
791 | p[-1]='\0'; | |
792 | return(buf); | |
793 | } | |
794 | ||
4f43d0e7 | 795 | int ssl_cipher_list_to_bytes(SSL *s,STACK *sk,unsigned char *p) |
d02b48c6 RE |
796 | { |
797 | int i,j=0; | |
798 | SSL_CIPHER *c; | |
799 | unsigned char *q; | |
800 | ||
801 | if (sk == NULL) return(0); | |
802 | q=p; | |
803 | ||
804 | for (i=0; i<sk_num(sk); i++) | |
805 | { | |
806 | c=(SSL_CIPHER *)sk_value(sk,i); | |
807 | j=ssl_put_cipher_by_char(s,c,p); | |
808 | p+=j; | |
809 | } | |
810 | return(p-q); | |
811 | } | |
812 | ||
4f43d0e7 | 813 | STACK *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,STACK **skp) |
d02b48c6 RE |
814 | { |
815 | SSL_CIPHER *c; | |
816 | STACK *sk; | |
817 | int i,n; | |
818 | ||
819 | n=ssl_put_cipher_by_char(s,NULL,NULL); | |
820 | if ((num%n) != 0) | |
821 | { | |
822 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); | |
823 | return(NULL); | |
824 | } | |
825 | if ((skp == NULL) || (*skp == NULL)) | |
826 | sk=sk_new(NULL); /* change perhaps later */ | |
827 | else | |
828 | { | |
829 | sk= *skp; | |
830 | sk_zero(sk); | |
831 | } | |
832 | ||
833 | for (i=0; i<num; i+=n) | |
834 | { | |
835 | c=ssl_get_cipher_by_char(s,p); | |
836 | p+=n; | |
837 | if (c != NULL) | |
838 | { | |
839 | if (!sk_push(sk,(char *)c)) | |
840 | { | |
841 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE); | |
842 | goto err; | |
843 | } | |
844 | } | |
845 | } | |
846 | ||
847 | if (skp != NULL) | |
848 | *skp=sk; | |
849 | return(sk); | |
850 | err: | |
851 | if ((skp == NULL) || (*skp == NULL)) | |
852 | sk_free(sk); | |
853 | return(NULL); | |
854 | } | |
855 | ||
4f43d0e7 | 856 | unsigned long SSL_SESSION_hash(SSL_SESSION *a) |
d02b48c6 RE |
857 | { |
858 | unsigned long l; | |
859 | ||
dfeab068 RE |
860 | l=(unsigned long) |
861 | ((unsigned int) a->session_id[0] )| | |
862 | ((unsigned int) a->session_id[1]<< 8L)| | |
863 | ((unsigned long)a->session_id[2]<<16L)| | |
864 | ((unsigned long)a->session_id[3]<<24L); | |
d02b48c6 RE |
865 | return(l); |
866 | } | |
867 | ||
4f43d0e7 | 868 | int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b) |
d02b48c6 | 869 | { |
58964a49 RE |
870 | if (a->ssl_version != b->ssl_version) |
871 | return(1); | |
872 | if (a->session_id_length != b->session_id_length) | |
873 | return(1); | |
874 | return(memcmp(a->session_id,b->session_id,a->session_id_length)); | |
d02b48c6 RE |
875 | } |
876 | ||
4f43d0e7 | 877 | SSL_CTX *SSL_CTX_new(SSL_METHOD *meth) |
d02b48c6 | 878 | { |
dfeab068 | 879 | SSL_CTX *ret=NULL; |
d02b48c6 RE |
880 | |
881 | if (meth == NULL) | |
882 | { | |
883 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED); | |
884 | return(NULL); | |
885 | } | |
dfeab068 RE |
886 | |
887 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) | |
888 | { | |
889 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
890 | goto err; | |
891 | } | |
d02b48c6 RE |
892 | ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX)); |
893 | if (ret == NULL) | |
894 | goto err; | |
895 | ||
896 | memset(ret,0,sizeof(SSL_CTX)); | |
897 | ||
898 | ret->method=meth; | |
899 | ||
900 | ret->cert_store=NULL; | |
901 | ret->session_cache_mode=SSL_SESS_CACHE_SERVER; | |
58964a49 RE |
902 | ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
903 | ret->session_cache_head=NULL; | |
904 | ret->session_cache_tail=NULL; | |
d02b48c6 RE |
905 | |
906 | /* We take the system default */ | |
907 | ret->session_timeout=meth->get_timeout(); | |
908 | ||
909 | ret->new_session_cb=NULL; | |
910 | ret->remove_session_cb=NULL; | |
911 | ret->get_session_cb=NULL; | |
912 | ||
413c4f45 | 913 | memset((char *)&ret->stats,0,sizeof(ret->stats)); |
d02b48c6 RE |
914 | |
915 | ret->references=1; | |
916 | ret->quiet_shutdown=0; | |
917 | ||
918 | /* ret->cipher=NULL;*/ | |
919 | /* ret->s2->challenge=NULL; | |
920 | ret->master_key=NULL; | |
921 | ret->key_arg=NULL; | |
922 | ret->s2->conn_id=NULL; */ | |
923 | ||
924 | ret->info_callback=NULL; | |
925 | ||
926 | ret->app_verify_callback=NULL; | |
927 | ret->app_verify_arg=NULL; | |
928 | ||
413c4f45 MC |
929 | ret->read_ahead=0; |
930 | ret->verify_mode=SSL_VERIFY_NONE; | |
d02b48c6 RE |
931 | ret->default_verify_callback=NULL; |
932 | if ((ret->default_cert=ssl_cert_new()) == NULL) | |
933 | goto err; | |
934 | ||
935 | ret->default_passwd_callback=NULL; | |
936 | ret->client_cert_cb=NULL; | |
937 | ||
58964a49 | 938 | ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp); |
d02b48c6 RE |
939 | if (ret->sessions == NULL) goto err; |
940 | ret->cert_store=X509_STORE_new(); | |
941 | if (ret->cert_store == NULL) goto err; | |
942 | ||
943 | ssl_create_cipher_list(ret->method, | |
944 | &ret->cipher_list,&ret->cipher_list_by_id, | |
945 | SSL_DEFAULT_CIPHER_LIST); | |
946 | if ((ret->cipher_list == NULL) || (sk_num(ret->cipher_list) <= 0)) | |
947 | { | |
948 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS); | |
949 | goto err2; | |
950 | } | |
951 | ||
58964a49 RE |
952 | if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL) |
953 | { | |
954 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES); | |
955 | goto err2; | |
956 | } | |
957 | if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL) | |
958 | { | |
959 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
960 | goto err2; | |
961 | } | |
962 | if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL) | |
963 | { | |
964 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
965 | goto err2; | |
966 | } | |
967 | ||
d02b48c6 RE |
968 | if ((ret->client_CA=sk_new_null()) == NULL) |
969 | goto err; | |
970 | ||
58964a49 RE |
971 | CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data); |
972 | ||
dfeab068 | 973 | ret->extra_certs=NULL; |
413c4f45 | 974 | ret->comp_methods=SSL_COMP_get_compression_methods(); |
dfeab068 | 975 | |
d02b48c6 RE |
976 | return(ret); |
977 | err: | |
978 | SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE); | |
979 | err2: | |
980 | if (ret != NULL) SSL_CTX_free(ret); | |
981 | return(NULL); | |
982 | } | |
983 | ||
4f43d0e7 | 984 | void SSL_CTX_free(SSL_CTX *a) |
d02b48c6 RE |
985 | { |
986 | int i; | |
987 | ||
988 | if (a == NULL) return; | |
989 | ||
990 | i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX); | |
58964a49 RE |
991 | #ifdef REF_PRINT |
992 | REF_PRINT("SSL_CTX",a); | |
993 | #endif | |
d02b48c6 RE |
994 | if (i > 0) return; |
995 | #ifdef REF_CHECK | |
996 | if (i < 0) | |
997 | { | |
998 | fprintf(stderr,"SSL_CTX_free, bad reference count\n"); | |
999 | abort(); /* ok */ | |
1000 | } | |
1001 | #endif | |
58964a49 | 1002 | CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data); |
d02b48c6 RE |
1003 | |
1004 | if (a->sessions != NULL) | |
1005 | { | |
1006 | SSL_CTX_flush_sessions(a,0); | |
1007 | lh_free(a->sessions); | |
1008 | } | |
1009 | if (a->cert_store != NULL) | |
1010 | X509_STORE_free(a->cert_store); | |
1011 | if (a->cipher_list != NULL) | |
1012 | sk_free(a->cipher_list); | |
1013 | if (a->cipher_list_by_id != NULL) | |
1014 | sk_free(a->cipher_list_by_id); | |
1015 | if (a->default_cert != NULL) | |
1016 | ssl_cert_free(a->default_cert); | |
1017 | if (a->client_CA != NULL) | |
1018 | sk_pop_free(a->client_CA,X509_NAME_free); | |
dfeab068 RE |
1019 | if (a->extra_certs != NULL) |
1020 | sk_pop_free(a->extra_certs,X509_free); | |
413c4f45 MC |
1021 | if (a->comp_methods != NULL) |
1022 | sk_pop_free(a->comp_methods,free); | |
d02b48c6 RE |
1023 | Free((char *)a); |
1024 | } | |
1025 | ||
4f43d0e7 | 1026 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx,int (*cb)()) |
d02b48c6 RE |
1027 | { |
1028 | ctx->default_passwd_callback=cb; | |
1029 | } | |
1030 | ||
4f43d0e7 | 1031 | void SSL_CTX_set_cert_verify_cb(SSL_CTX *ctx,int (*cb)(),char *arg) |
d02b48c6 RE |
1032 | { |
1033 | ctx->app_verify_callback=cb; | |
1034 | ctx->app_verify_arg=arg; | |
1035 | } | |
1036 | ||
4f43d0e7 | 1037 | void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *)) |
d02b48c6 | 1038 | { |
413c4f45 | 1039 | ctx->verify_mode=mode; |
d02b48c6 RE |
1040 | ctx->default_verify_callback=cb; |
1041 | /* This needs cleaning up EAY EAY EAY */ | |
1042 | X509_STORE_set_verify_cb_func(ctx->cert_store,cb); | |
1043 | } | |
1044 | ||
4f43d0e7 | 1045 | void ssl_set_cert_masks(CERT *c,SSL_CIPHER *cipher) |
d02b48c6 RE |
1046 | { |
1047 | CERT_PKEY *cpk; | |
1048 | int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign; | |
1049 | int rsa_enc_export,dh_rsa_export,dh_dsa_export; | |
60e31c3a | 1050 | int rsa_tmp_export,dh_tmp_export,kl; |
d02b48c6 RE |
1051 | unsigned long mask,emask; |
1052 | ||
1053 | if ((c == NULL) || (c->valid)) return; | |
1054 | ||
60e31c3a BL |
1055 | kl=SSL_C_EXPORT_PKEYLENGTH(cipher); |
1056 | ||
d02b48c6 | 1057 | #ifndef NO_RSA |
60e31c3a BL |
1058 | rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); |
1059 | rsa_tmp_export=(c->rsa_tmp_cb != NULL || | |
1060 | (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl)); | |
d02b48c6 RE |
1061 | #else |
1062 | rsa_tmp=rsa_tmp_export=0; | |
1063 | #endif | |
1064 | #ifndef NO_DH | |
60e31c3a BL |
1065 | dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL); |
1066 | dh_tmp_export=(c->dh_tmp_cb != NULL || | |
1067 | (dh_tmp && DH_size(c->dh_tmp)*8 <= kl)); | |
d02b48c6 RE |
1068 | #else |
1069 | dh_tmp=dh_tmp_export=0; | |
1070 | #endif | |
1071 | ||
1072 | cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]); | |
60e31c3a BL |
1073 | rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1074 | rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 | 1075 | cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]); |
60e31c3a | 1076 | rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1077 | cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]); |
60e31c3a | 1078 | dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1079 | cpk= &(c->pkeys[SSL_PKEY_DH_RSA]); |
60e31c3a BL |
1080 | dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1081 | dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1082 | cpk= &(c->pkeys[SSL_PKEY_DH_DSA]); |
1083 | /* FIX THIS EAY EAY EAY */ | |
60e31c3a BL |
1084 | dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1085 | dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1086 | |
1087 | mask=0; | |
1088 | emask=0; | |
1089 | ||
1090 | #ifdef CIPHER_DEBUG | |
1091 | printf("rt=%d dht=%d re=%d rs=%d ds=%d dhr=%d dhd=%d\n", | |
1092 | rsa_tmp,dh_tmp, | |
1093 | rsa_enc,rsa_sign,dsa_sign,dh_rsa,dh_dsa); | |
1094 | #endif | |
1095 | ||
1096 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
1097 | mask|=SSL_kRSA; | |
1098 | if (rsa_enc_export || (rsa_tmp_export && rsa_sign)) | |
1099 | emask|=SSL_kRSA; | |
1100 | ||
1101 | #if 0 | |
1102 | /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */ | |
1103 | if ( (dh_tmp || dh_rsa || dh_dsa) && | |
1104 | (rsa_enc || rsa_sign || dsa_sign)) | |
1105 | mask|=SSL_kEDH; | |
1106 | if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) && | |
1107 | (rsa_enc || rsa_sign || dsa_sign)) | |
1108 | emask|=SSL_kEDH; | |
1109 | #endif | |
1110 | ||
1111 | if (dh_tmp_export) | |
1112 | emask|=SSL_kEDH; | |
1113 | ||
1114 | if (dh_tmp) | |
1115 | mask|=SSL_kEDH; | |
1116 | ||
1117 | if (dh_rsa) mask|=SSL_kDHr; | |
1118 | if (dh_rsa_export) emask|=SSL_kDHr; | |
1119 | ||
1120 | if (dh_dsa) mask|=SSL_kDHd; | |
1121 | if (dh_dsa_export) emask|=SSL_kDHd; | |
1122 | ||
1123 | if (rsa_enc || rsa_sign) | |
1124 | { | |
1125 | mask|=SSL_aRSA; | |
1126 | emask|=SSL_aRSA; | |
1127 | } | |
1128 | ||
1129 | if (dsa_sign) | |
1130 | { | |
1131 | mask|=SSL_aDSS; | |
1132 | emask|=SSL_aDSS; | |
1133 | } | |
1134 | ||
1135 | #ifdef SSL_ALLOW_ADH | |
1136 | mask|=SSL_aNULL; | |
1137 | emask|=SSL_aNULL; | |
1138 | #endif | |
1139 | ||
1140 | c->mask=mask; | |
1141 | c->export_mask=emask; | |
1142 | c->valid=1; | |
1143 | } | |
1144 | ||
1145 | /* THIS NEEDS CLEANING UP */ | |
4f43d0e7 | 1146 | X509 *ssl_get_server_send_cert(SSL *s) |
d02b48c6 RE |
1147 | { |
1148 | unsigned long alg,mask,kalg; | |
1149 | CERT *c; | |
60e31c3a | 1150 | int i,export; |
d02b48c6 RE |
1151 | |
1152 | c=s->cert; | |
60e31c3a | 1153 | ssl_set_cert_masks(c,s->s3->tmp.new_cipher); |
d02b48c6 | 1154 | alg=s->s3->tmp.new_cipher->algorithms; |
60e31c3a BL |
1155 | export=SSL_IS_EXPORT(alg); |
1156 | mask=export?c->export_mask:c->mask; | |
d02b48c6 RE |
1157 | kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK); |
1158 | ||
1159 | if (kalg & SSL_kDHr) | |
1160 | i=SSL_PKEY_DH_RSA; | |
1161 | else if (kalg & SSL_kDHd) | |
1162 | i=SSL_PKEY_DH_DSA; | |
1163 | else if (kalg & SSL_aDSS) | |
1164 | i=SSL_PKEY_DSA_SIGN; | |
1165 | else if (kalg & SSL_aRSA) | |
1166 | { | |
1167 | if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL) | |
1168 | i=SSL_PKEY_RSA_SIGN; | |
1169 | else | |
1170 | i=SSL_PKEY_RSA_ENC; | |
1171 | } | |
1172 | else /* if (kalg & SSL_aNULL) */ | |
1173 | { | |
1174 | SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR); | |
1175 | return(NULL); | |
1176 | } | |
1177 | if (c->pkeys[i].x509 == NULL) return(NULL); | |
1178 | return(c->pkeys[i].x509); | |
1179 | } | |
1180 | ||
4f43d0e7 | 1181 | EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher) |
d02b48c6 RE |
1182 | { |
1183 | unsigned long alg; | |
1184 | CERT *c; | |
1185 | ||
1186 | alg=cipher->algorithms; | |
1187 | c=s->cert; | |
1188 | ||
1189 | if ((alg & SSL_aDSS) && | |
1190 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) | |
1191 | return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey); | |
1192 | else if (alg & SSL_aRSA) | |
1193 | { | |
1194 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
1195 | return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey); | |
1196 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
1197 | return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey); | |
1198 | else | |
1199 | return(NULL); | |
1200 | } | |
1201 | else /* if (alg & SSL_aNULL) */ | |
1202 | { | |
1203 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR); | |
1204 | return(NULL); | |
1205 | } | |
1206 | } | |
1207 | ||
4f43d0e7 | 1208 | void ssl_update_cache(SSL *s,int mode) |
d02b48c6 | 1209 | { |
58964a49 RE |
1210 | int i; |
1211 | ||
1212 | /* If the session_id_length is 0, we are not supposed to cache it, | |
1213 | * and it would be rather hard to do anyway :-) */ | |
1214 | if (s->session->session_id_length == 0) return; | |
1215 | ||
d02b48c6 RE |
1216 | if ((s->ctx->session_cache_mode & mode) |
1217 | && (!s->hit) | |
1218 | && SSL_CTX_add_session(s->ctx,s->session) | |
1219 | && (s->ctx->new_session_cb != NULL)) | |
1220 | { | |
58964a49 | 1221 | CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION); |
d02b48c6 RE |
1222 | if (!s->ctx->new_session_cb(s,s->session)) |
1223 | SSL_SESSION_free(s->session); | |
1224 | } | |
1225 | ||
1226 | /* auto flush every 255 connections */ | |
58964a49 RE |
1227 | i=s->ctx->session_cache_mode; |
1228 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && | |
1229 | ((i & mode) == mode)) | |
1230 | { | |
1231 | if ( (((mode & SSL_SESS_CACHE_CLIENT) | |
413c4f45 MC |
1232 | ?s->ctx->stats.sess_connect_good |
1233 | :s->ctx->stats.sess_accept_good) & 0xff) == 0xff) | |
58964a49 RE |
1234 | { |
1235 | SSL_CTX_flush_sessions(s->ctx,time(NULL)); | |
1236 | } | |
1237 | } | |
d02b48c6 RE |
1238 | } |
1239 | ||
4f43d0e7 | 1240 | SSL_METHOD *SSL_get_ssl_method(SSL *s) |
d02b48c6 RE |
1241 | { |
1242 | return(s->method); | |
1243 | } | |
1244 | ||
4f43d0e7 | 1245 | int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth) |
d02b48c6 RE |
1246 | { |
1247 | int conn= -1; | |
1248 | int ret=1; | |
1249 | ||
1250 | if (s->method != meth) | |
1251 | { | |
1252 | if (s->handshake_func != NULL) | |
1253 | conn=(s->handshake_func == s->method->ssl_connect); | |
1254 | ||
1255 | if (s->method->version == meth->version) | |
1256 | s->method=meth; | |
1257 | else | |
1258 | { | |
1259 | s->method->ssl_free(s); | |
1260 | s->method=meth; | |
1261 | ret=s->method->ssl_new(s); | |
1262 | } | |
1263 | ||
1264 | if (conn == 1) | |
1265 | s->handshake_func=meth->ssl_connect; | |
1266 | else if (conn == 0) | |
1267 | s->handshake_func=meth->ssl_accept; | |
1268 | } | |
1269 | return(ret); | |
1270 | } | |
1271 | ||
4f43d0e7 | 1272 | int SSL_get_error(SSL *s,int i) |
d02b48c6 RE |
1273 | { |
1274 | int reason; | |
413c4f45 | 1275 | unsigned long l; |
d02b48c6 RE |
1276 | BIO *bio; |
1277 | ||
1278 | if (i > 0) return(SSL_ERROR_NONE); | |
1279 | ||
413c4f45 MC |
1280 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake |
1281 | * etc, where we do encode the error */ | |
1282 | if ((l=ERR_peek_error()) != 0) | |
1283 | { | |
1284 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
1285 | return(SSL_ERROR_SYSCALL); | |
1286 | else | |
1287 | return(SSL_ERROR_SSL); | |
1288 | } | |
d02b48c6 RE |
1289 | |
1290 | if ((i < 0) && SSL_want_read(s)) | |
1291 | { | |
1292 | bio=SSL_get_rbio(s); | |
1293 | if (BIO_should_read(bio)) | |
1294 | return(SSL_ERROR_WANT_READ); | |
1295 | else if (BIO_should_write(bio)) | |
1296 | return(SSL_ERROR_WANT_WRITE); | |
1297 | else if (BIO_should_io_special(bio)) | |
1298 | { | |
1299 | reason=BIO_get_retry_reason(bio); | |
1300 | if (reason == BIO_RR_CONNECT) | |
1301 | return(SSL_ERROR_WANT_CONNECT); | |
1302 | else | |
1303 | return(SSL_ERROR_SYSCALL); /* unknown */ | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | if ((i < 0) && SSL_want_write(s)) | |
1308 | { | |
1309 | bio=SSL_get_wbio(s); | |
1310 | if (BIO_should_write(bio)) | |
1311 | return(SSL_ERROR_WANT_WRITE); | |
1312 | else if (BIO_should_read(bio)) | |
1313 | return(SSL_ERROR_WANT_READ); | |
1314 | else if (BIO_should_io_special(bio)) | |
1315 | { | |
1316 | reason=BIO_get_retry_reason(bio); | |
1317 | if (reason == BIO_RR_CONNECT) | |
1318 | return(SSL_ERROR_WANT_CONNECT); | |
1319 | else | |
1320 | return(SSL_ERROR_SYSCALL); | |
1321 | } | |
1322 | } | |
1323 | if ((i < 0) && SSL_want_x509_lookup(s)) | |
1324 | { | |
1325 | return(SSL_ERROR_WANT_X509_LOOKUP); | |
1326 | } | |
1327 | ||
1328 | if (i == 0) | |
1329 | { | |
58964a49 | 1330 | if (s->version == SSL2_VERSION) |
d02b48c6 RE |
1331 | { |
1332 | /* assume it is the socket being closed */ | |
1333 | return(SSL_ERROR_ZERO_RETURN); | |
1334 | } | |
1335 | else | |
1336 | { | |
1337 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
58964a49 | 1338 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) |
d02b48c6 RE |
1339 | return(SSL_ERROR_ZERO_RETURN); |
1340 | } | |
1341 | } | |
1342 | return(SSL_ERROR_SYSCALL); | |
1343 | } | |
1344 | ||
4f43d0e7 | 1345 | int SSL_do_handshake(SSL *s) |
d02b48c6 | 1346 | { |
58964a49 RE |
1347 | int ret=1; |
1348 | ||
d02b48c6 RE |
1349 | if (s->handshake_func == NULL) |
1350 | { | |
58964a49 | 1351 | SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET); |
d02b48c6 RE |
1352 | return(-1); |
1353 | } | |
dfeab068 RE |
1354 | |
1355 | s->method->ssl_renegotiate_check(s); | |
1356 | ||
d02b48c6 | 1357 | if (SSL_in_init(s) || SSL_in_before(s)) |
58964a49 RE |
1358 | { |
1359 | ret=s->handshake_func(s); | |
1360 | } | |
1361 | return(ret); | |
d02b48c6 RE |
1362 | } |
1363 | ||
1364 | /* For the next 2 functions, SSL_clear() sets shutdown and so | |
1365 | * one of these calls will reset it */ | |
4f43d0e7 | 1366 | void SSL_set_accept_state(SSL *s) |
d02b48c6 | 1367 | { |
413c4f45 | 1368 | s->server=1; |
d02b48c6 RE |
1369 | s->shutdown=0; |
1370 | s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE; | |
1371 | s->handshake_func=s->method->ssl_accept; | |
1372 | /* clear the current cipher */ | |
1373 | ssl_clear_cipher_ctx(s); | |
1374 | } | |
1375 | ||
4f43d0e7 | 1376 | void SSL_set_connect_state(SSL *s) |
d02b48c6 | 1377 | { |
413c4f45 | 1378 | s->server=0; |
d02b48c6 RE |
1379 | s->shutdown=0; |
1380 | s->state=SSL_ST_CONNECT|SSL_ST_BEFORE; | |
1381 | s->handshake_func=s->method->ssl_connect; | |
1382 | /* clear the current cipher */ | |
1383 | ssl_clear_cipher_ctx(s); | |
1384 | } | |
1385 | ||
4f43d0e7 | 1386 | int ssl_undefined_function(SSL *s) |
d02b48c6 RE |
1387 | { |
1388 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
1389 | return(0); | |
1390 | } | |
1391 | ||
4f43d0e7 | 1392 | SSL_METHOD *ssl_bad_method(int ver) |
d02b48c6 RE |
1393 | { |
1394 | SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
1395 | return(NULL); | |
1396 | } | |
1397 | ||
4f43d0e7 | 1398 | char *SSL_get_version(SSL *s) |
d02b48c6 | 1399 | { |
58964a49 RE |
1400 | if (s->version == TLS1_VERSION) |
1401 | return("TLSv1"); | |
1402 | else if (s->version == SSL3_VERSION) | |
d02b48c6 | 1403 | return("SSLv3"); |
58964a49 | 1404 | else if (s->version == SSL2_VERSION) |
d02b48c6 RE |
1405 | return("SSLv2"); |
1406 | else | |
1407 | return("unknown"); | |
1408 | } | |
1409 | ||
4f43d0e7 | 1410 | SSL *SSL_dup(SSL *s) |
d02b48c6 RE |
1411 | { |
1412 | STACK *sk; | |
1413 | X509_NAME *xn; | |
1414 | SSL *ret; | |
1415 | int i; | |
1416 | ||
1417 | if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) return(NULL); | |
1418 | ||
1419 | /* This copies version, session-id, SSL_METHOD and 'cert' */ | |
1420 | SSL_copy_session_id(ret,s); | |
1421 | ||
1422 | SSL_set_read_ahead(ret,SSL_get_read_ahead(s)); | |
1423 | SSL_set_verify(ret,SSL_get_verify_mode(s), | |
1424 | SSL_get_verify_callback(s)); | |
1425 | ||
1426 | SSL_set_info_callback(ret,SSL_get_info_callback(s)); | |
1427 | ||
1428 | ret->debug=s->debug; | |
58964a49 | 1429 | ret->options=s->options; |
d02b48c6 RE |
1430 | |
1431 | /* copy app data, a little dangerous perhaps */ | |
58964a49 RE |
1432 | if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data)) |
1433 | goto err; | |
d02b48c6 RE |
1434 | |
1435 | /* setup rbio, and wbio */ | |
1436 | if (s->rbio != NULL) | |
1437 | { | |
1438 | if (!BIO_dup_state(s->rbio,(char *)&ret->rbio)) | |
1439 | goto err; | |
1440 | } | |
1441 | if (s->wbio != NULL) | |
1442 | { | |
1443 | if (s->wbio != s->rbio) | |
1444 | { | |
58964a49 | 1445 | if (!BIO_dup_state(s->wbio,(char *)&ret->wbio)) |
d02b48c6 RE |
1446 | goto err; |
1447 | } | |
1448 | else | |
1449 | ret->wbio=ret->rbio; | |
1450 | } | |
1451 | ||
1452 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
1453 | if (s->cipher_list != NULL) | |
1454 | { | |
1455 | if ((ret->cipher_list=sk_dup(s->cipher_list)) == NULL) | |
1456 | goto err; | |
1457 | } | |
1458 | if (s->cipher_list_by_id != NULL) | |
1459 | if ((ret->cipher_list_by_id=sk_dup(s->cipher_list_by_id)) | |
1460 | == NULL) | |
1461 | goto err; | |
1462 | ||
1463 | /* Dup the client_CA list */ | |
1464 | if (s->client_CA != NULL) | |
1465 | { | |
1466 | if ((sk=sk_dup(s->client_CA)) == NULL) goto err; | |
1467 | ret->client_CA=sk; | |
1468 | for (i=0; i<sk_num(sk); i++) | |
1469 | { | |
1470 | xn=(X509_NAME *)sk_value(sk,i); | |
1471 | if ((sk_value(sk,i)=(char *)X509_NAME_dup(xn)) == NULL) | |
1472 | { | |
1473 | X509_NAME_free(xn); | |
1474 | goto err; | |
1475 | } | |
1476 | } | |
1477 | } | |
1478 | ||
1479 | ret->shutdown=s->shutdown; | |
1480 | ret->state=s->state; | |
1481 | ret->handshake_func=s->handshake_func; | |
413c4f45 | 1482 | ret->server=s->server; |
d02b48c6 RE |
1483 | |
1484 | if (0) | |
1485 | { | |
1486 | err: | |
1487 | if (ret != NULL) SSL_free(ret); | |
1488 | ret=NULL; | |
1489 | } | |
1490 | return(ret); | |
1491 | } | |
1492 | ||
4f43d0e7 | 1493 | void ssl_clear_cipher_ctx(SSL *s) |
d02b48c6 RE |
1494 | { |
1495 | if (s->enc_read_ctx != NULL) | |
1496 | { | |
1497 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
1498 | Free(s->enc_read_ctx); | |
1499 | s->enc_read_ctx=NULL; | |
1500 | } | |
1501 | if (s->enc_write_ctx != NULL) | |
1502 | { | |
1503 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
1504 | Free(s->enc_write_ctx); | |
1505 | s->enc_write_ctx=NULL; | |
1506 | } | |
413c4f45 MC |
1507 | if (s->expand != NULL) |
1508 | { | |
1509 | COMP_CTX_free(s->expand); | |
1510 | s->expand=NULL; | |
1511 | } | |
1512 | if (s->compress != NULL) | |
1513 | { | |
1514 | COMP_CTX_free(s->compress); | |
1515 | s->compress=NULL; | |
1516 | } | |
d02b48c6 RE |
1517 | } |
1518 | ||
58964a49 | 1519 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 1520 | X509 *SSL_get_certificate(SSL *s) |
d02b48c6 RE |
1521 | { |
1522 | if (s->cert != NULL) | |
1523 | return(s->cert->key->x509); | |
1524 | else | |
1525 | return(NULL); | |
1526 | } | |
1527 | ||
58964a49 | 1528 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 1529 | EVP_PKEY *SSL_get_privatekey(SSL *s) |
d02b48c6 RE |
1530 | { |
1531 | if (s->cert != NULL) | |
1532 | return(s->cert->key->privatekey); | |
1533 | else | |
1534 | return(NULL); | |
1535 | } | |
1536 | ||
4f43d0e7 | 1537 | SSL_CIPHER *SSL_get_current_cipher(SSL *s) |
d02b48c6 RE |
1538 | { |
1539 | if ((s->session != NULL) && (s->session->cipher != NULL)) | |
1540 | return(s->session->cipher); | |
1541 | return(NULL); | |
1542 | } | |
1543 | ||
4f43d0e7 | 1544 | int ssl_init_wbio_buffer(SSL *s,int push) |
58964a49 RE |
1545 | { |
1546 | BIO *bbio; | |
1547 | ||
1548 | if (s->bbio == NULL) | |
1549 | { | |
1550 | bbio=BIO_new(BIO_f_buffer()); | |
1551 | if (bbio == NULL) return(0); | |
1552 | s->bbio=bbio; | |
1553 | } | |
1554 | else | |
1555 | { | |
1556 | bbio=s->bbio; | |
1557 | if (s->bbio == s->wbio) | |
1558 | s->wbio=BIO_pop(s->wbio); | |
1559 | } | |
1560 | BIO_reset(bbio); | |
1561 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ | |
1562 | if (!BIO_set_read_buffer_size(bbio,1)) | |
1563 | { | |
1564 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB); | |
1565 | return(0); | |
1566 | } | |
1567 | if (push) | |
1568 | { | |
1569 | if (s->wbio != bbio) | |
1570 | s->wbio=BIO_push(bbio,s->wbio); | |
1571 | } | |
1572 | else | |
1573 | { | |
1574 | if (s->wbio == bbio) | |
1575 | s->wbio=BIO_pop(bbio); | |
1576 | } | |
1577 | return(1); | |
1578 | } | |
413c4f45 | 1579 | |
4f43d0e7 | 1580 | void ssl_free_wbio_buffer(SSL *s) |
413c4f45 MC |
1581 | { |
1582 | BIO *under; | |
1583 | ||
1584 | if (s->bbio == NULL) return; | |
1585 | ||
1586 | if (s->bbio == s->wbio) | |
1587 | { | |
1588 | /* remove buffering */ | |
1589 | under=BIO_pop(s->wbio); | |
1590 | if (under != NULL) | |
1591 | s->wbio=under; | |
1592 | else | |
1593 | abort(); /* ok */ | |
1594 | } | |
1595 | BIO_free(s->bbio); | |
1596 | s->bbio=NULL; | |
1597 | } | |
58964a49 | 1598 | |
4f43d0e7 | 1599 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode) |
58964a49 RE |
1600 | { |
1601 | ctx->quiet_shutdown=mode; | |
1602 | } | |
1603 | ||
4f43d0e7 | 1604 | int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx) |
58964a49 RE |
1605 | { |
1606 | return(ctx->quiet_shutdown); | |
1607 | } | |
1608 | ||
4f43d0e7 | 1609 | void SSL_set_quiet_shutdown(SSL *s,int mode) |
58964a49 RE |
1610 | { |
1611 | s->quiet_shutdown=mode; | |
1612 | } | |
1613 | ||
4f43d0e7 | 1614 | int SSL_get_quiet_shutdown(SSL *s) |
58964a49 RE |
1615 | { |
1616 | return(s->quiet_shutdown); | |
1617 | } | |
1618 | ||
4f43d0e7 | 1619 | void SSL_set_shutdown(SSL *s,int mode) |
58964a49 RE |
1620 | { |
1621 | s->shutdown=mode; | |
1622 | } | |
1623 | ||
4f43d0e7 | 1624 | int SSL_get_shutdown(SSL *s) |
58964a49 RE |
1625 | { |
1626 | return(s->shutdown); | |
1627 | } | |
1628 | ||
4f43d0e7 | 1629 | int SSL_version(SSL *s) |
58964a49 RE |
1630 | { |
1631 | return(s->version); | |
1632 | } | |
1633 | ||
4f43d0e7 | 1634 | SSL_CTX *SSL_get_SSL_CTX(SSL *ssl) |
58964a49 RE |
1635 | { |
1636 | return(ssl->ctx); | |
1637 | } | |
1638 | ||
dfeab068 | 1639 | #ifndef NO_STDIO |
4f43d0e7 | 1640 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
58964a49 RE |
1641 | { |
1642 | return(X509_STORE_set_default_paths(ctx->cert_store)); | |
1643 | } | |
1644 | ||
4f43d0e7 | 1645 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx,char *CAfile,char *CApath) |
58964a49 RE |
1646 | { |
1647 | return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath)); | |
1648 | } | |
dfeab068 | 1649 | #endif |
58964a49 | 1650 | |
4f43d0e7 | 1651 | void SSL_set_info_callback(SSL *ssl,void (*cb)()) |
58964a49 RE |
1652 | { |
1653 | ssl->info_callback=cb; | |
1654 | } | |
1655 | ||
4f43d0e7 | 1656 | void (*SSL_get_info_callback(SSL *ssl))() |
58964a49 | 1657 | { |
dfeab068 | 1658 | return((void (*)())ssl->info_callback); |
58964a49 RE |
1659 | } |
1660 | ||
4f43d0e7 | 1661 | int SSL_state(SSL *ssl) |
58964a49 RE |
1662 | { |
1663 | return(ssl->state); | |
1664 | } | |
1665 | ||
4f43d0e7 | 1666 | void SSL_set_verify_result(SSL *ssl,long arg) |
58964a49 RE |
1667 | { |
1668 | ssl->verify_result=arg; | |
1669 | } | |
1670 | ||
4f43d0e7 | 1671 | long SSL_get_verify_result(SSL *ssl) |
58964a49 RE |
1672 | { |
1673 | return(ssl->verify_result); | |
1674 | } | |
1675 | ||
4f43d0e7 BL |
1676 | int SSL_get_ex_new_index(long argl,char *argp,int (*new_func)(), |
1677 | int (*dup_func)(),void (*free_func)()) | |
58964a49 RE |
1678 | { |
1679 | ssl_meth_num++; | |
1680 | return(CRYPTO_get_ex_new_index(ssl_meth_num-1, | |
1681 | &ssl_meth,argl,argp,new_func,dup_func,free_func)); | |
1682 | } | |
1683 | ||
4f43d0e7 | 1684 | int SSL_set_ex_data(SSL *s,int idx,void *arg) |
58964a49 RE |
1685 | { |
1686 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
1687 | } | |
1688 | ||
4f43d0e7 | 1689 | void *SSL_get_ex_data(SSL *s,int idx) |
58964a49 RE |
1690 | { |
1691 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
1692 | } | |
1693 | ||
4f43d0e7 BL |
1694 | int SSL_CTX_get_ex_new_index(long argl,char *argp,int (*new_func)(), |
1695 | int (*dup_func)(),void (*free_func)()) | |
58964a49 RE |
1696 | { |
1697 | ssl_ctx_meth_num++; | |
1698 | return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1, | |
1699 | &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func)); | |
1700 | } | |
1701 | ||
4f43d0e7 | 1702 | int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg) |
58964a49 RE |
1703 | { |
1704 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
1705 | } | |
1706 | ||
4f43d0e7 | 1707 | void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx) |
58964a49 RE |
1708 | { |
1709 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
1710 | } | |
1711 | ||
4f43d0e7 | 1712 | int ssl_ok(SSL *s) |
dfeab068 RE |
1713 | { |
1714 | return(1); | |
1715 | } | |
1716 | ||
4f43d0e7 | 1717 | X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx) |
413c4f45 MC |
1718 | { |
1719 | return(ctx->cert_store); | |
1720 | } | |
1721 | ||
4f43d0e7 | 1722 | void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store) |
413c4f45 MC |
1723 | { |
1724 | if (ctx->cert_store != NULL) | |
1725 | X509_STORE_free(ctx->cert_store); | |
1726 | ctx->cert_store=store; | |
1727 | } | |
1728 | ||
4f43d0e7 | 1729 | int SSL_want(SSL *s) |
413c4f45 MC |
1730 | { |
1731 | return(s->rwstate); | |
1732 | } | |
1733 | ||
4f43d0e7 BL |
1734 | /*! |
1735 | * \brief Set the callback for generating temporary RSA keys. | |
1736 | * \param ctx the SSL context. | |
1737 | * \param cb the callback | |
1738 | */ | |
1739 | ||
60e31c3a BL |
1740 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,int export, |
1741 | int keylength)) | |
f8c3c05d BL |
1742 | { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); } |
1743 | ||
4f43d0e7 BL |
1744 | #ifdef DOXYGEN |
1745 | /*! | |
1746 | * \brief The RSA temporary key callback function. | |
1747 | * \param ssl the SSL session. | |
1748 | * \param export \c TRUE if the temp RSA key is for an export ciphersuite. | |
1749 | * \param keylength if \c export is \c TRUE, then \c keylength is the size of | |
1750 | * the required key in bits. | |
1751 | * \return the temporary RSA key. | |
1752 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
1753 | */ | |
1754 | ||
1755 | RSA *cb(SSL *ssl,int export,int keylength) | |
1756 | {} | |
1757 | #endif | |
1758 | ||
1759 | /*! | |
1760 | * \brief Set the callback for generating temporary DH keys. | |
1761 | * \param ctx the SSL context. | |
1762 | * \param dh the callback | |
1763 | */ | |
1764 | ||
60e31c3a BL |
1765 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int export, |
1766 | int keylength)) | |
f8c3c05d BL |
1767 | { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); } |
1768 | ||
15d21c2d RE |
1769 | void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,int export, |
1770 | int keylength)) | |
1771 | { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); } | |
1772 | ||
1773 | void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int export, | |
1774 | int keylength)) | |
1775 | { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); } | |
1776 | ||
58964a49 RE |
1777 | #if defined(_WINDLL) && defined(WIN16) |
1778 | #include "../crypto/bio/bss_file.c" | |
1779 | #endif |