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