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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> | |
ec577822 BM |
62 | #include <openssl/objects.h> |
63 | #include <openssl/lhash.h> | |
d02b48c6 RE |
64 | #include "ssl_locl.h" |
65 | ||
b4cadc6e | 66 | char *SSL_version_str=OPENSSL_VERSION_TEXT; |
58964a49 RE |
67 | |
68 | static STACK *ssl_meth=NULL; | |
69 | static STACK *ssl_ctx_meth=NULL; | |
70 | static int ssl_meth_num=0; | |
71 | static int ssl_ctx_meth_num=0; | |
d02b48c6 | 72 | |
7f0dae32 | 73 | OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={ |
58964a49 RE |
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 | 147 | { |
f73e07cf | 148 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
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); | |
f73e07cf | 154 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) |
d02b48c6 RE |
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 | ||
ca8e5b9b | 181 | if (ctx->cert != NULL) |
d02b48c6 | 182 | { |
ca8e5b9b BM |
183 | /* Earlier library versions used to copy the pointer to |
184 | * the CERT, not its contents; only when setting new | |
185 | * parameters for the per-SSL copy, ssl_cert_new would be | |
186 | * called (and the direct reference to the per-SSL_CTX | |
187 | * settings would be lost, but those still were indirectly | |
188 | * accessed for various purposes, and for that reason they | |
189 | * used to be known as s->ctx->default_cert). | |
190 | * Now we don't look at the SSL_CTX's CERT after having | |
191 | * duplicated it once. */ | |
192 | ||
193 | s->cert = ssl_cert_dup(ctx->cert); | |
194 | if (s->cert == NULL) | |
195 | goto err; | |
d02b48c6 RE |
196 | } |
197 | else | |
ca8e5b9b | 198 | s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */ |
4eb77b26 BM |
199 | s->sid_ctx_length=ctx->sid_ctx_length; |
200 | memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx)); | |
413c4f45 | 201 | s->verify_mode=ctx->verify_mode; |
7f89714e | 202 | s->verify_depth=ctx->verify_depth; |
d02b48c6 RE |
203 | s->verify_callback=ctx->default_verify_callback; |
204 | CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); | |
205 | s->ctx=ctx; | |
206 | ||
207 | s->verify_result=X509_V_OK; | |
208 | ||
209 | s->method=ctx->method; | |
210 | ||
211 | if (!s->method->ssl_new(s)) | |
d02b48c6 | 212 | goto err; |
d02b48c6 RE |
213 | |
214 | s->quiet_shutdown=ctx->quiet_shutdown; | |
58964a49 | 215 | s->references=1; |
413c4f45 | 216 | s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1; |
58964a49 | 217 | s->options=ctx->options; |
e1056435 | 218 | s->mode=ctx->mode; |
d02b48c6 | 219 | SSL_clear(s); |
58964a49 RE |
220 | |
221 | CRYPTO_new_ex_data(ssl_meth,(char *)s,&s->ex_data); | |
222 | ||
d02b48c6 RE |
223 | return(s); |
224 | err: | |
ca8e5b9b BM |
225 | if (s != NULL) |
226 | { | |
227 | if (s->cert != NULL) | |
228 | ssl_cert_free(s->cert); | |
229 | if (s->ctx != NULL) | |
230 | SSL_CTX_free(s->ctx); /* decrement reference count */ | |
231 | Free(s); | |
232 | } | |
d02b48c6 RE |
233 | SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE); |
234 | return(NULL); | |
235 | } | |
236 | ||
4eb77b26 BM |
237 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx, |
238 | unsigned int sid_ctx_len) | |
239 | { | |
240 | if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) | |
241 | { | |
242 | SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
243 | return 0; | |
244 | } | |
245 | ctx->sid_ctx_length=sid_ctx_len; | |
246 | memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len); | |
247 | ||
248 | return 1; | |
249 | } | |
250 | ||
b4cadc6e BL |
251 | int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx, |
252 | unsigned int sid_ctx_len) | |
253 | { | |
254 | if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) | |
255 | { | |
256 | SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); | |
257 | return 0; | |
258 | } | |
259 | ssl->sid_ctx_length=sid_ctx_len; | |
260 | memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len); | |
261 | ||
262 | return 1; | |
263 | } | |
264 | ||
4f43d0e7 | 265 | void SSL_free(SSL *s) |
d02b48c6 | 266 | { |
58964a49 RE |
267 | int i; |
268 | ||
e03ddfae BL |
269 | if(s == NULL) |
270 | return; | |
271 | ||
58964a49 RE |
272 | i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL); |
273 | #ifdef REF_PRINT | |
274 | REF_PRINT("SSL",s); | |
275 | #endif | |
276 | if (i > 0) return; | |
277 | #ifdef REF_CHECK | |
278 | if (i < 0) | |
279 | { | |
280 | fprintf(stderr,"SSL_free, bad reference count\n"); | |
281 | abort(); /* ok */ | |
282 | } | |
283 | #endif | |
284 | ||
285 | CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data); | |
286 | ||
d02b48c6 RE |
287 | if (s->bbio != NULL) |
288 | { | |
289 | /* If the buffering BIO is in place, pop it off */ | |
290 | if (s->bbio == s->wbio) | |
291 | { | |
292 | s->wbio=BIO_pop(s->wbio); | |
293 | } | |
294 | BIO_free(s->bbio); | |
58964a49 | 295 | s->bbio=NULL; |
d02b48c6 RE |
296 | } |
297 | if (s->rbio != NULL) | |
298 | BIO_free_all(s->rbio); | |
299 | if ((s->wbio != NULL) && (s->wbio != s->rbio)) | |
300 | BIO_free_all(s->wbio); | |
301 | ||
302 | if (s->init_buf != NULL) BUF_MEM_free(s->init_buf); | |
303 | ||
304 | /* add extra stuff */ | |
f73e07cf BL |
305 | if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list); |
306 | if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id); | |
d02b48c6 RE |
307 | |
308 | /* Make the next call work :-) */ | |
309 | if (s->session != NULL) | |
310 | { | |
311 | ssl_clear_bad_session(s); | |
312 | SSL_SESSION_free(s->session); | |
313 | } | |
314 | ||
315 | ssl_clear_cipher_ctx(s); | |
316 | ||
317 | if (s->cert != NULL) ssl_cert_free(s->cert); | |
318 | /* Free up if allocated */ | |
319 | ||
320 | if (s->ctx) SSL_CTX_free(s->ctx); | |
321 | ||
322 | if (s->client_CA != NULL) | |
f73e07cf | 323 | sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free); |
d02b48c6 RE |
324 | |
325 | if (s->method != NULL) s->method->ssl_free(s); | |
326 | ||
327 | Free((char *)s); | |
328 | } | |
329 | ||
4f43d0e7 | 330 | void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio) |
d02b48c6 RE |
331 | { |
332 | /* If the output buffering BIO is still in place, remove it | |
333 | */ | |
334 | if (s->bbio != NULL) | |
335 | { | |
336 | if (s->wbio == s->bbio) | |
337 | { | |
338 | s->wbio=s->wbio->next_bio; | |
339 | s->bbio->next_bio=NULL; | |
340 | } | |
341 | } | |
342 | if ((s->rbio != NULL) && (s->rbio != rbio)) | |
343 | BIO_free_all(s->rbio); | |
344 | if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio)) | |
345 | BIO_free_all(s->wbio); | |
346 | s->rbio=rbio; | |
347 | s->wbio=wbio; | |
348 | } | |
349 | ||
4f43d0e7 | 350 | BIO *SSL_get_rbio(SSL *s) |
d02b48c6 RE |
351 | { return(s->rbio); } |
352 | ||
4f43d0e7 | 353 | BIO *SSL_get_wbio(SSL *s) |
d02b48c6 RE |
354 | { return(s->wbio); } |
355 | ||
4f43d0e7 | 356 | int SSL_get_fd(SSL *s) |
d02b48c6 RE |
357 | { |
358 | int ret= -1; | |
359 | BIO *b,*r; | |
360 | ||
361 | b=SSL_get_rbio(s); | |
362 | r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); | |
363 | if (r != NULL) | |
364 | BIO_get_fd(r,&ret); | |
365 | return(ret); | |
366 | } | |
367 | ||
368 | #ifndef NO_SOCK | |
4f43d0e7 | 369 | int SSL_set_fd(SSL *s,int fd) |
d02b48c6 RE |
370 | { |
371 | int ret=0; | |
372 | BIO *bio=NULL; | |
373 | ||
374 | bio=BIO_new(BIO_s_socket()); | |
375 | ||
376 | if (bio == NULL) | |
377 | { | |
378 | SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB); | |
379 | goto err; | |
380 | } | |
381 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
382 | SSL_set_bio(s,bio,bio); | |
383 | ret=1; | |
384 | err: | |
385 | return(ret); | |
386 | } | |
387 | ||
4f43d0e7 | 388 | int SSL_set_wfd(SSL *s,int fd) |
d02b48c6 RE |
389 | { |
390 | int ret=0; | |
391 | BIO *bio=NULL; | |
392 | ||
58964a49 RE |
393 | if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) |
394 | || ((int)BIO_get_fd(s->rbio,NULL) != fd)) | |
395 | { | |
396 | bio=BIO_new(BIO_s_socket()); | |
d02b48c6 | 397 | |
58964a49 RE |
398 | if (bio == NULL) |
399 | { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; } | |
400 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
401 | SSL_set_bio(s,SSL_get_rbio(s),bio); | |
402 | } | |
403 | else | |
404 | SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s)); | |
d02b48c6 RE |
405 | ret=1; |
406 | err: | |
407 | return(ret); | |
408 | } | |
409 | ||
4f43d0e7 | 410 | int SSL_set_rfd(SSL *s,int fd) |
d02b48c6 RE |
411 | { |
412 | int ret=0; | |
413 | BIO *bio=NULL; | |
414 | ||
58964a49 RE |
415 | if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) |
416 | || ((int)BIO_get_fd(s->wbio,NULL) != fd)) | |
d02b48c6 | 417 | { |
58964a49 RE |
418 | bio=BIO_new(BIO_s_socket()); |
419 | ||
420 | if (bio == NULL) | |
421 | { | |
422 | SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB); | |
423 | goto err; | |
424 | } | |
425 | BIO_set_fd(bio,fd,BIO_NOCLOSE); | |
426 | SSL_set_bio(s,bio,SSL_get_wbio(s)); | |
d02b48c6 | 427 | } |
58964a49 RE |
428 | else |
429 | SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s)); | |
d02b48c6 RE |
430 | ret=1; |
431 | err: | |
432 | return(ret); | |
433 | } | |
434 | #endif | |
435 | ||
4f43d0e7 | 436 | int SSL_get_verify_mode(SSL *s) |
d02b48c6 RE |
437 | { |
438 | return(s->verify_mode); | |
439 | } | |
440 | ||
7f89714e BM |
441 | int SSL_get_verify_depth(SSL *s) |
442 | { | |
443 | return(s->verify_depth); | |
444 | } | |
445 | ||
a06c602e | 446 | int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *) |
d02b48c6 RE |
447 | { |
448 | return(s->verify_callback); | |
449 | } | |
450 | ||
4f43d0e7 | 451 | int SSL_CTX_get_verify_mode(SSL_CTX *ctx) |
d02b48c6 | 452 | { |
413c4f45 | 453 | return(ctx->verify_mode); |
d02b48c6 RE |
454 | } |
455 | ||
7f89714e BM |
456 | int SSL_CTX_get_verify_depth(SSL_CTX *ctx) |
457 | { | |
458 | return(ctx->verify_depth); | |
459 | } | |
460 | ||
a06c602e | 461 | int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *) |
d02b48c6 RE |
462 | { |
463 | return(ctx->default_verify_callback); | |
464 | } | |
465 | ||
49bc2624 BL |
466 | void SSL_set_verify(SSL *s,int mode, |
467 | int (*callback)(int ok,X509_STORE_CTX *ctx)) | |
d02b48c6 RE |
468 | { |
469 | s->verify_mode=mode; | |
470 | if (callback != NULL) | |
471 | s->verify_callback=callback; | |
472 | } | |
473 | ||
7f89714e BM |
474 | void SSL_set_verify_depth(SSL *s,int depth) |
475 | { | |
476 | s->verify_depth=depth; | |
477 | } | |
478 | ||
4f43d0e7 | 479 | void SSL_set_read_ahead(SSL *s,int yes) |
d02b48c6 RE |
480 | { |
481 | s->read_ahead=yes; | |
482 | } | |
483 | ||
4f43d0e7 | 484 | int SSL_get_read_ahead(SSL *s) |
d02b48c6 RE |
485 | { |
486 | return(s->read_ahead); | |
487 | } | |
488 | ||
4f43d0e7 | 489 | int SSL_pending(SSL *s) |
d02b48c6 RE |
490 | { |
491 | return(s->method->ssl_pending(s)); | |
492 | } | |
493 | ||
4f43d0e7 | 494 | X509 *SSL_get_peer_certificate(SSL *s) |
d02b48c6 RE |
495 | { |
496 | X509 *r; | |
497 | ||
498 | if ((s == NULL) || (s->session == NULL)) | |
499 | r=NULL; | |
500 | else | |
501 | r=s->session->peer; | |
502 | ||
503 | if (r == NULL) return(r); | |
504 | ||
505 | CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509); | |
506 | ||
507 | return(r); | |
508 | } | |
509 | ||
f73e07cf | 510 | STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s) |
d02b48c6 | 511 | { |
f73e07cf | 512 | STACK_OF(X509) *r; |
d02b48c6 | 513 | |
9d5cceac | 514 | if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL)) |
d02b48c6 RE |
515 | r=NULL; |
516 | else | |
9d5cceac | 517 | r=s->session->sess_cert->cert_chain; |
d02b48c6 RE |
518 | |
519 | return(r); | |
520 | } | |
521 | ||
522 | /* Now in theory, since the calling process own 't' it should be safe to | |
523 | * modify. We need to be able to read f without being hassled */ | |
4f43d0e7 | 524 | void SSL_copy_session_id(SSL *t,SSL *f) |
d02b48c6 RE |
525 | { |
526 | CERT *tmp; | |
527 | ||
528 | /* Do we need to to SSL locking? */ | |
529 | SSL_set_session(t,SSL_get_session(f)); | |
530 | ||
531 | /* what if we are setup as SSLv2 but want to talk SSLv3 or | |
532 | * vice-versa */ | |
533 | if (t->method != f->method) | |
534 | { | |
535 | t->method->ssl_free(t); /* cleanup current */ | |
536 | t->method=f->method; /* change method */ | |
537 | t->method->ssl_new(t); /* setup new */ | |
538 | } | |
539 | ||
540 | tmp=t->cert; | |
541 | if (f->cert != NULL) | |
542 | { | |
543 | CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT); | |
544 | t->cert=f->cert; | |
545 | } | |
546 | else | |
547 | t->cert=NULL; | |
548 | if (tmp != NULL) ssl_cert_free(tmp); | |
b4cadc6e | 549 | SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length); |
d02b48c6 RE |
550 | } |
551 | ||
58964a49 | 552 | /* Fix this so it checks all the valid key/cert options */ |
4f43d0e7 | 553 | int SSL_CTX_check_private_key(SSL_CTX *ctx) |
d02b48c6 RE |
554 | { |
555 | if ( (ctx == NULL) || | |
ca8e5b9b BM |
556 | (ctx->cert == NULL) || |
557 | (ctx->cert->key->x509 == NULL)) | |
d02b48c6 RE |
558 | { |
559 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
560 | return(0); | |
561 | } | |
ca8e5b9b | 562 | if (ctx->cert->key->privatekey == NULL) |
d02b48c6 RE |
563 | { |
564 | SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
565 | return(0); | |
566 | } | |
ca8e5b9b | 567 | return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey)); |
d02b48c6 RE |
568 | } |
569 | ||
58964a49 | 570 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 571 | int SSL_check_private_key(SSL *ssl) |
d02b48c6 RE |
572 | { |
573 | if (ssl == NULL) | |
574 | { | |
575 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER); | |
576 | return(0); | |
577 | } | |
f3e67ac1 BM |
578 | if (ssl->cert == NULL) |
579 | return 0; | |
d02b48c6 RE |
580 | if (ssl->cert->key->x509 == NULL) |
581 | { | |
582 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); | |
583 | return(0); | |
584 | } | |
585 | if (ssl->cert->key->privatekey == NULL) | |
586 | { | |
587 | SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); | |
588 | return(0); | |
589 | } | |
590 | return(X509_check_private_key(ssl->cert->key->x509, | |
591 | ssl->cert->key->privatekey)); | |
592 | } | |
593 | ||
4f43d0e7 | 594 | int SSL_accept(SSL *s) |
d02b48c6 | 595 | { |
b31b04d9 BM |
596 | if (s->handshake_func == 0) |
597 | /* Not properly initialized yet */ | |
598 | SSL_set_accept_state(s); | |
599 | ||
d02b48c6 RE |
600 | return(s->method->ssl_accept(s)); |
601 | } | |
602 | ||
4f43d0e7 | 603 | int SSL_connect(SSL *s) |
d02b48c6 | 604 | { |
b31b04d9 BM |
605 | if (s->handshake_func == 0) |
606 | /* Not properly initialized yet */ | |
607 | SSL_set_connect_state(s); | |
608 | ||
d02b48c6 RE |
609 | return(s->method->ssl_connect(s)); |
610 | } | |
611 | ||
4f43d0e7 | 612 | long SSL_get_default_timeout(SSL *s) |
d02b48c6 RE |
613 | { |
614 | return(s->method->get_timeout()); | |
615 | } | |
616 | ||
4f43d0e7 | 617 | int SSL_read(SSL *s,char *buf,int num) |
d02b48c6 | 618 | { |
b31b04d9 BM |
619 | if (s->handshake_func == 0) |
620 | { | |
ff712220 | 621 | SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
622 | return -1; |
623 | } | |
624 | ||
d02b48c6 RE |
625 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) |
626 | { | |
627 | s->rwstate=SSL_NOTHING; | |
628 | return(0); | |
629 | } | |
630 | return(s->method->ssl_read(s,buf,num)); | |
631 | } | |
632 | ||
4f43d0e7 | 633 | int SSL_peek(SSL *s,char *buf,int num) |
d02b48c6 RE |
634 | { |
635 | if (s->shutdown & SSL_RECEIVED_SHUTDOWN) | |
636 | { | |
637 | return(0); | |
638 | } | |
639 | return(s->method->ssl_peek(s,buf,num)); | |
640 | } | |
641 | ||
4f43d0e7 | 642 | int SSL_write(SSL *s,const char *buf,int num) |
d02b48c6 | 643 | { |
b31b04d9 BM |
644 | if (s->handshake_func == 0) |
645 | { | |
ff712220 | 646 | SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
647 | return -1; |
648 | } | |
649 | ||
d02b48c6 RE |
650 | if (s->shutdown & SSL_SENT_SHUTDOWN) |
651 | { | |
652 | s->rwstate=SSL_NOTHING; | |
653 | SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN); | |
654 | return(-1); | |
655 | } | |
656 | return(s->method->ssl_write(s,buf,num)); | |
657 | } | |
658 | ||
4f43d0e7 | 659 | int SSL_shutdown(SSL *s) |
d02b48c6 | 660 | { |
d3407350 | 661 | /* Note that this function behaves differently from what one might |
e2e3d5ce BM |
662 | * expect. Return values are 0 for no success (yet), |
663 | * 1 for success; but calling it once is usually not enough, | |
664 | * even if blocking I/O is used (see ssl3_shutdown). | |
665 | */ | |
666 | ||
b31b04d9 BM |
667 | if (s->handshake_func == 0) |
668 | { | |
ff712220 | 669 | SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); |
b31b04d9 BM |
670 | return -1; |
671 | } | |
672 | ||
d02b48c6 RE |
673 | if ((s != NULL) && !SSL_in_init(s)) |
674 | return(s->method->ssl_shutdown(s)); | |
675 | else | |
676 | return(1); | |
677 | } | |
678 | ||
4f43d0e7 | 679 | int SSL_renegotiate(SSL *s) |
d02b48c6 | 680 | { |
58964a49 | 681 | s->new_session=1; |
d02b48c6 RE |
682 | return(s->method->ssl_renegotiate(s)); |
683 | } | |
684 | ||
4f43d0e7 | 685 | long SSL_ctrl(SSL *s,int cmd,long larg,char *parg) |
d02b48c6 | 686 | { |
413c4f45 MC |
687 | long l; |
688 | ||
689 | switch (cmd) | |
690 | { | |
691 | case SSL_CTRL_GET_READ_AHEAD: | |
692 | return(s->read_ahead); | |
693 | case SSL_CTRL_SET_READ_AHEAD: | |
694 | l=s->read_ahead; | |
695 | s->read_ahead=larg; | |
696 | return(l); | |
697 | case SSL_CTRL_OPTIONS: | |
698 | return(s->options|=larg); | |
e1056435 BM |
699 | case SSL_CTRL_MODE: |
700 | return(s->mode|=larg); | |
413c4f45 MC |
701 | default: |
702 | return(s->method->ssl_ctrl(s,cmd,larg,parg)); | |
703 | } | |
d02b48c6 RE |
704 | } |
705 | ||
4f43d0e7 | 706 | long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg) |
d02b48c6 | 707 | { |
413c4f45 MC |
708 | long l; |
709 | ||
710 | switch (cmd) | |
711 | { | |
712 | case SSL_CTRL_GET_READ_AHEAD: | |
713 | return(ctx->read_ahead); | |
714 | case SSL_CTRL_SET_READ_AHEAD: | |
715 | l=ctx->read_ahead; | |
716 | ctx->read_ahead=larg; | |
717 | return(l); | |
718 | ||
719 | case SSL_CTRL_SET_SESS_CACHE_SIZE: | |
720 | l=ctx->session_cache_size; | |
721 | ctx->session_cache_size=larg; | |
722 | return(l); | |
723 | case SSL_CTRL_GET_SESS_CACHE_SIZE: | |
724 | return(ctx->session_cache_size); | |
725 | case SSL_CTRL_SET_SESS_CACHE_MODE: | |
726 | l=ctx->session_cache_mode; | |
727 | ctx->session_cache_mode=larg; | |
728 | return(l); | |
729 | case SSL_CTRL_GET_SESS_CACHE_MODE: | |
730 | return(ctx->session_cache_mode); | |
731 | ||
732 | case SSL_CTRL_SESS_NUMBER: | |
733 | return(ctx->sessions->num_items); | |
734 | case SSL_CTRL_SESS_CONNECT: | |
735 | return(ctx->stats.sess_connect); | |
736 | case SSL_CTRL_SESS_CONNECT_GOOD: | |
737 | return(ctx->stats.sess_connect_good); | |
738 | case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: | |
739 | return(ctx->stats.sess_connect_renegotiate); | |
740 | case SSL_CTRL_SESS_ACCEPT: | |
741 | return(ctx->stats.sess_accept); | |
742 | case SSL_CTRL_SESS_ACCEPT_GOOD: | |
743 | return(ctx->stats.sess_accept_good); | |
744 | case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: | |
745 | return(ctx->stats.sess_accept_renegotiate); | |
746 | case SSL_CTRL_SESS_HIT: | |
747 | return(ctx->stats.sess_hit); | |
748 | case SSL_CTRL_SESS_CB_HIT: | |
749 | return(ctx->stats.sess_cb_hit); | |
750 | case SSL_CTRL_SESS_MISSES: | |
751 | return(ctx->stats.sess_miss); | |
752 | case SSL_CTRL_SESS_TIMEOUTS: | |
753 | return(ctx->stats.sess_timeout); | |
754 | case SSL_CTRL_SESS_CACHE_FULL: | |
755 | return(ctx->stats.sess_cache_full); | |
756 | case SSL_CTRL_OPTIONS: | |
757 | return(ctx->options|=larg); | |
e1056435 BM |
758 | case SSL_CTRL_MODE: |
759 | return(ctx->mode|=larg); | |
413c4f45 MC |
760 | default: |
761 | return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg)); | |
762 | } | |
d02b48c6 RE |
763 | } |
764 | ||
4f43d0e7 | 765 | int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b) |
d02b48c6 RE |
766 | { |
767 | long l; | |
768 | ||
769 | l=a->id-b->id; | |
770 | if (l == 0L) | |
771 | return(0); | |
772 | else | |
773 | return((l > 0)?1:-1); | |
774 | } | |
775 | ||
4f43d0e7 | 776 | int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp) |
d02b48c6 RE |
777 | { |
778 | long l; | |
779 | ||
780 | l=(*ap)->id-(*bp)->id; | |
781 | if (l == 0L) | |
782 | return(0); | |
783 | else | |
784 | return((l > 0)?1:-1); | |
785 | } | |
786 | ||
4f43d0e7 | 787 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 788 | * preference */ |
f73e07cf | 789 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s) |
d02b48c6 RE |
790 | { |
791 | if ((s != NULL) && (s->cipher_list != NULL)) | |
792 | { | |
793 | return(s->cipher_list); | |
794 | } | |
58964a49 | 795 | else if ((s->ctx != NULL) && |
d02b48c6 RE |
796 | (s->ctx->cipher_list != NULL)) |
797 | { | |
798 | return(s->ctx->cipher_list); | |
799 | } | |
800 | return(NULL); | |
801 | } | |
802 | ||
4f43d0e7 | 803 | /** return a STACK of the ciphers available for the SSL and in order of |
d02b48c6 | 804 | * algorithm id */ |
f73e07cf | 805 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) |
d02b48c6 RE |
806 | { |
807 | if ((s != NULL) && (s->cipher_list_by_id != NULL)) | |
808 | { | |
809 | return(s->cipher_list_by_id); | |
810 | } | |
811 | else if ((s != NULL) && (s->ctx != NULL) && | |
812 | (s->ctx->cipher_list_by_id != NULL)) | |
813 | { | |
814 | return(s->ctx->cipher_list_by_id); | |
815 | } | |
816 | return(NULL); | |
817 | } | |
818 | ||
4f43d0e7 | 819 | /** The old interface to get the same thing as SSL_get_ciphers() */ |
e778802f | 820 | const char *SSL_get_cipher_list(SSL *s,int n) |
d02b48c6 RE |
821 | { |
822 | SSL_CIPHER *c; | |
f73e07cf | 823 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
824 | |
825 | if (s == NULL) return(NULL); | |
826 | sk=SSL_get_ciphers(s); | |
f73e07cf | 827 | if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) |
d02b48c6 | 828 | return(NULL); |
f73e07cf | 829 | c=sk_SSL_CIPHER_value(sk,n); |
d02b48c6 RE |
830 | if (c == NULL) return(NULL); |
831 | return(c->name); | |
832 | } | |
833 | ||
4f43d0e7 BL |
834 | /** specify the ciphers to be used by defaut by the SSL_CTX */ |
835 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx,char *str) | |
d02b48c6 | 836 | { |
f73e07cf | 837 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
838 | |
839 | sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list, | |
840 | &ctx->cipher_list_by_id,str); | |
841 | /* XXXX */ | |
842 | return((sk == NULL)?0:1); | |
843 | } | |
844 | ||
4f43d0e7 BL |
845 | /** specify the ciphers to be used by the SSL */ |
846 | int SSL_set_cipher_list(SSL *s,char *str) | |
d02b48c6 | 847 | { |
f73e07cf | 848 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
849 | |
850 | sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list, | |
851 | &s->cipher_list_by_id,str); | |
852 | /* XXXX */ | |
853 | return((sk == NULL)?0:1); | |
854 | } | |
855 | ||
856 | /* works well for SSLv2, not so good for SSLv3 */ | |
4f43d0e7 | 857 | char *SSL_get_shared_ciphers(SSL *s,char *buf,int len) |
d02b48c6 | 858 | { |
e778802f BL |
859 | char *p; |
860 | const char *cp; | |
f73e07cf | 861 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
862 | SSL_CIPHER *c; |
863 | int i; | |
864 | ||
865 | if ((s->session == NULL) || (s->session->ciphers == NULL) || | |
866 | (len < 2)) | |
867 | return(NULL); | |
868 | ||
869 | p=buf; | |
870 | sk=s->session->ciphers; | |
f73e07cf | 871 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 872 | { |
58964a49 RE |
873 | /* Decrement for either the ':' or a '\0' */ |
874 | len--; | |
f73e07cf | 875 | c=sk_SSL_CIPHER_value(sk,i); |
d02b48c6 RE |
876 | for (cp=c->name; *cp; ) |
877 | { | |
58964a49 | 878 | if (len-- == 0) |
d02b48c6 RE |
879 | { |
880 | *p='\0'; | |
881 | return(buf); | |
882 | } | |
883 | else | |
884 | *(p++)= *(cp++); | |
885 | } | |
886 | *(p++)=':'; | |
887 | } | |
888 | p[-1]='\0'; | |
889 | return(buf); | |
890 | } | |
891 | ||
f73e07cf | 892 | int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p) |
d02b48c6 RE |
893 | { |
894 | int i,j=0; | |
895 | SSL_CIPHER *c; | |
896 | unsigned char *q; | |
897 | ||
898 | if (sk == NULL) return(0); | |
899 | q=p; | |
900 | ||
f73e07cf | 901 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
d02b48c6 | 902 | { |
f73e07cf | 903 | c=sk_SSL_CIPHER_value(sk,i); |
d02b48c6 RE |
904 | j=ssl_put_cipher_by_char(s,c,p); |
905 | p+=j; | |
906 | } | |
907 | return(p-q); | |
908 | } | |
909 | ||
f73e07cf BL |
910 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, |
911 | STACK_OF(SSL_CIPHER) **skp) | |
d02b48c6 RE |
912 | { |
913 | SSL_CIPHER *c; | |
f73e07cf | 914 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
915 | int i,n; |
916 | ||
917 | n=ssl_put_cipher_by_char(s,NULL,NULL); | |
918 | if ((num%n) != 0) | |
919 | { | |
920 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); | |
921 | return(NULL); | |
922 | } | |
923 | if ((skp == NULL) || (*skp == NULL)) | |
f73e07cf | 924 | sk=sk_SSL_CIPHER_new(NULL); /* change perhaps later */ |
d02b48c6 RE |
925 | else |
926 | { | |
927 | sk= *skp; | |
f73e07cf | 928 | sk_SSL_CIPHER_zero(sk); |
d02b48c6 RE |
929 | } |
930 | ||
931 | for (i=0; i<num; i+=n) | |
932 | { | |
933 | c=ssl_get_cipher_by_char(s,p); | |
934 | p+=n; | |
935 | if (c != NULL) | |
936 | { | |
f73e07cf | 937 | if (!sk_SSL_CIPHER_push(sk,c)) |
d02b48c6 RE |
938 | { |
939 | SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE); | |
940 | goto err; | |
941 | } | |
942 | } | |
943 | } | |
944 | ||
945 | if (skp != NULL) | |
946 | *skp=sk; | |
947 | return(sk); | |
948 | err: | |
949 | if ((skp == NULL) || (*skp == NULL)) | |
f73e07cf | 950 | sk_SSL_CIPHER_free(sk); |
d02b48c6 RE |
951 | return(NULL); |
952 | } | |
953 | ||
4f43d0e7 | 954 | unsigned long SSL_SESSION_hash(SSL_SESSION *a) |
d02b48c6 RE |
955 | { |
956 | unsigned long l; | |
957 | ||
dfeab068 RE |
958 | l=(unsigned long) |
959 | ((unsigned int) a->session_id[0] )| | |
960 | ((unsigned int) a->session_id[1]<< 8L)| | |
961 | ((unsigned long)a->session_id[2]<<16L)| | |
962 | ((unsigned long)a->session_id[3]<<24L); | |
d02b48c6 RE |
963 | return(l); |
964 | } | |
965 | ||
4f43d0e7 | 966 | int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b) |
d02b48c6 | 967 | { |
58964a49 RE |
968 | if (a->ssl_version != b->ssl_version) |
969 | return(1); | |
970 | if (a->session_id_length != b->session_id_length) | |
971 | return(1); | |
972 | return(memcmp(a->session_id,b->session_id,a->session_id_length)); | |
d02b48c6 RE |
973 | } |
974 | ||
4f43d0e7 | 975 | SSL_CTX *SSL_CTX_new(SSL_METHOD *meth) |
d02b48c6 | 976 | { |
dfeab068 | 977 | SSL_CTX *ret=NULL; |
d02b48c6 RE |
978 | |
979 | if (meth == NULL) | |
980 | { | |
981 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED); | |
982 | return(NULL); | |
983 | } | |
dfeab068 RE |
984 | |
985 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) | |
986 | { | |
987 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); | |
988 | goto err; | |
989 | } | |
d02b48c6 RE |
990 | ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX)); |
991 | if (ret == NULL) | |
992 | goto err; | |
993 | ||
994 | memset(ret,0,sizeof(SSL_CTX)); | |
995 | ||
996 | ret->method=meth; | |
997 | ||
998 | ret->cert_store=NULL; | |
999 | ret->session_cache_mode=SSL_SESS_CACHE_SERVER; | |
58964a49 RE |
1000 | ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
1001 | ret->session_cache_head=NULL; | |
1002 | ret->session_cache_tail=NULL; | |
d02b48c6 RE |
1003 | |
1004 | /* We take the system default */ | |
1005 | ret->session_timeout=meth->get_timeout(); | |
1006 | ||
1007 | ret->new_session_cb=NULL; | |
1008 | ret->remove_session_cb=NULL; | |
1009 | ret->get_session_cb=NULL; | |
1010 | ||
413c4f45 | 1011 | memset((char *)&ret->stats,0,sizeof(ret->stats)); |
d02b48c6 RE |
1012 | |
1013 | ret->references=1; | |
1014 | ret->quiet_shutdown=0; | |
1015 | ||
1016 | /* ret->cipher=NULL;*/ | |
1017 | /* ret->s2->challenge=NULL; | |
1018 | ret->master_key=NULL; | |
1019 | ret->key_arg=NULL; | |
1020 | ret->s2->conn_id=NULL; */ | |
1021 | ||
1022 | ret->info_callback=NULL; | |
1023 | ||
1024 | ret->app_verify_callback=NULL; | |
1025 | ret->app_verify_arg=NULL; | |
1026 | ||
413c4f45 MC |
1027 | ret->read_ahead=0; |
1028 | ret->verify_mode=SSL_VERIFY_NONE; | |
7f89714e | 1029 | ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */ |
d02b48c6 | 1030 | ret->default_verify_callback=NULL; |
ca8e5b9b | 1031 | if ((ret->cert=ssl_cert_new()) == NULL) |
d02b48c6 RE |
1032 | goto err; |
1033 | ||
1034 | ret->default_passwd_callback=NULL; | |
74678cc2 | 1035 | ret->default_passwd_callback_userdata=NULL; |
d02b48c6 RE |
1036 | ret->client_cert_cb=NULL; |
1037 | ||
58964a49 | 1038 | ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp); |
d02b48c6 RE |
1039 | if (ret->sessions == NULL) goto err; |
1040 | ret->cert_store=X509_STORE_new(); | |
1041 | if (ret->cert_store == NULL) goto err; | |
1042 | ||
1043 | ssl_create_cipher_list(ret->method, | |
1044 | &ret->cipher_list,&ret->cipher_list_by_id, | |
1045 | SSL_DEFAULT_CIPHER_LIST); | |
f73e07cf BL |
1046 | if (ret->cipher_list == NULL |
1047 | || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) | |
d02b48c6 RE |
1048 | { |
1049 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS); | |
1050 | goto err2; | |
1051 | } | |
1052 | ||
58964a49 RE |
1053 | if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL) |
1054 | { | |
1055 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES); | |
1056 | goto err2; | |
1057 | } | |
1058 | if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL) | |
1059 | { | |
1060 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); | |
1061 | goto err2; | |
1062 | } | |
1063 | if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL) | |
1064 | { | |
1065 | SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); | |
1066 | goto err2; | |
1067 | } | |
1068 | ||
f73e07cf | 1069 | if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL) |
d02b48c6 RE |
1070 | goto err; |
1071 | ||
58964a49 RE |
1072 | CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data); |
1073 | ||
dfeab068 | 1074 | ret->extra_certs=NULL; |
413c4f45 | 1075 | ret->comp_methods=SSL_COMP_get_compression_methods(); |
dfeab068 | 1076 | |
d02b48c6 RE |
1077 | return(ret); |
1078 | err: | |
1079 | SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE); | |
1080 | err2: | |
1081 | if (ret != NULL) SSL_CTX_free(ret); | |
1082 | return(NULL); | |
1083 | } | |
1084 | ||
f73e07cf BL |
1085 | static void SSL_COMP_free(SSL_COMP *comp) |
1086 | { Free(comp); } | |
1087 | ||
4f43d0e7 | 1088 | void SSL_CTX_free(SSL_CTX *a) |
d02b48c6 RE |
1089 | { |
1090 | int i; | |
1091 | ||
1092 | if (a == NULL) return; | |
1093 | ||
1094 | i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX); | |
58964a49 RE |
1095 | #ifdef REF_PRINT |
1096 | REF_PRINT("SSL_CTX",a); | |
1097 | #endif | |
d02b48c6 RE |
1098 | if (i > 0) return; |
1099 | #ifdef REF_CHECK | |
1100 | if (i < 0) | |
1101 | { | |
1102 | fprintf(stderr,"SSL_CTX_free, bad reference count\n"); | |
1103 | abort(); /* ok */ | |
1104 | } | |
1105 | #endif | |
58964a49 | 1106 | CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data); |
d02b48c6 RE |
1107 | |
1108 | if (a->sessions != NULL) | |
1109 | { | |
1110 | SSL_CTX_flush_sessions(a,0); | |
1111 | lh_free(a->sessions); | |
1112 | } | |
1113 | if (a->cert_store != NULL) | |
1114 | X509_STORE_free(a->cert_store); | |
1115 | if (a->cipher_list != NULL) | |
f73e07cf | 1116 | sk_SSL_CIPHER_free(a->cipher_list); |
d02b48c6 | 1117 | if (a->cipher_list_by_id != NULL) |
f73e07cf | 1118 | sk_SSL_CIPHER_free(a->cipher_list_by_id); |
ca8e5b9b BM |
1119 | if (a->cert != NULL) |
1120 | ssl_cert_free(a->cert); | |
d02b48c6 | 1121 | if (a->client_CA != NULL) |
f73e07cf | 1122 | sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free); |
dfeab068 | 1123 | if (a->extra_certs != NULL) |
f73e07cf | 1124 | sk_X509_pop_free(a->extra_certs,X509_free); |
413c4f45 | 1125 | if (a->comp_methods != NULL) |
f73e07cf | 1126 | sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free); |
d02b48c6 RE |
1127 | Free((char *)a); |
1128 | } | |
1129 | ||
3ae76679 | 1130 | void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) |
d02b48c6 RE |
1131 | { |
1132 | ctx->default_passwd_callback=cb; | |
1133 | } | |
1134 | ||
74678cc2 BM |
1135 | void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u) |
1136 | { | |
1137 | ctx->default_passwd_callback_userdata=u; | |
1138 | } | |
1139 | ||
a74c55cd | 1140 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg) |
d02b48c6 RE |
1141 | { |
1142 | ctx->app_verify_callback=cb; | |
1143 | ctx->app_verify_arg=arg; | |
1144 | } | |
1145 | ||
4f43d0e7 | 1146 | void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *)) |
d02b48c6 | 1147 | { |
413c4f45 | 1148 | ctx->verify_mode=mode; |
d02b48c6 RE |
1149 | ctx->default_verify_callback=cb; |
1150 | /* This needs cleaning up EAY EAY EAY */ | |
1151 | X509_STORE_set_verify_cb_func(ctx->cert_store,cb); | |
1152 | } | |
1153 | ||
7f89714e BM |
1154 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth) |
1155 | { | |
1156 | ctx->verify_depth=depth; | |
1157 | } | |
1158 | ||
ca8e5b9b | 1159 | void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher) |
d02b48c6 RE |
1160 | { |
1161 | CERT_PKEY *cpk; | |
1162 | int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign; | |
1163 | int rsa_enc_export,dh_rsa_export,dh_dsa_export; | |
60e31c3a | 1164 | int rsa_tmp_export,dh_tmp_export,kl; |
d02b48c6 RE |
1165 | unsigned long mask,emask; |
1166 | ||
f415fa32 | 1167 | if (c == NULL) return; |
d02b48c6 | 1168 | |
60e31c3a BL |
1169 | kl=SSL_C_EXPORT_PKEYLENGTH(cipher); |
1170 | ||
d02b48c6 | 1171 | #ifndef NO_RSA |
ca8e5b9b BM |
1172 | rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); |
1173 | rsa_tmp_export=(c->rsa_tmp_cb != NULL || | |
60e31c3a | 1174 | (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl)); |
d02b48c6 RE |
1175 | #else |
1176 | rsa_tmp=rsa_tmp_export=0; | |
1177 | #endif | |
1178 | #ifndef NO_DH | |
ca8e5b9b BM |
1179 | dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL); |
1180 | dh_tmp_export=(c->dh_tmp_cb != NULL || | |
60e31c3a | 1181 | (dh_tmp && DH_size(c->dh_tmp)*8 <= kl)); |
d02b48c6 RE |
1182 | #else |
1183 | dh_tmp=dh_tmp_export=0; | |
1184 | #endif | |
1185 | ||
1186 | cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]); | |
60e31c3a BL |
1187 | rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1188 | rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 | 1189 | cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]); |
60e31c3a | 1190 | rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1191 | cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]); |
60e31c3a | 1192 | dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); |
d02b48c6 | 1193 | cpk= &(c->pkeys[SSL_PKEY_DH_RSA]); |
60e31c3a BL |
1194 | dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1195 | dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1196 | cpk= &(c->pkeys[SSL_PKEY_DH_DSA]); |
1197 | /* FIX THIS EAY EAY EAY */ | |
60e31c3a BL |
1198 | dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL); |
1199 | dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); | |
d02b48c6 RE |
1200 | |
1201 | mask=0; | |
1202 | emask=0; | |
1203 | ||
1204 | #ifdef CIPHER_DEBUG | |
f415fa32 BL |
1205 | printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", |
1206 | rsa_tmp,rsa_tmp_export,dh_tmp, | |
1207 | rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa); | |
d02b48c6 RE |
1208 | #endif |
1209 | ||
1210 | if (rsa_enc || (rsa_tmp && rsa_sign)) | |
1211 | mask|=SSL_kRSA; | |
f415fa32 | 1212 | if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) |
d02b48c6 RE |
1213 | emask|=SSL_kRSA; |
1214 | ||
1215 | #if 0 | |
1216 | /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */ | |
1217 | if ( (dh_tmp || dh_rsa || dh_dsa) && | |
1218 | (rsa_enc || rsa_sign || dsa_sign)) | |
1219 | mask|=SSL_kEDH; | |
1220 | if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) && | |
1221 | (rsa_enc || rsa_sign || dsa_sign)) | |
1222 | emask|=SSL_kEDH; | |
1223 | #endif | |
1224 | ||
1225 | if (dh_tmp_export) | |
1226 | emask|=SSL_kEDH; | |
1227 | ||
1228 | if (dh_tmp) | |
1229 | mask|=SSL_kEDH; | |
1230 | ||
1231 | if (dh_rsa) mask|=SSL_kDHr; | |
1232 | if (dh_rsa_export) emask|=SSL_kDHr; | |
1233 | ||
1234 | if (dh_dsa) mask|=SSL_kDHd; | |
1235 | if (dh_dsa_export) emask|=SSL_kDHd; | |
1236 | ||
1237 | if (rsa_enc || rsa_sign) | |
1238 | { | |
1239 | mask|=SSL_aRSA; | |
1240 | emask|=SSL_aRSA; | |
1241 | } | |
1242 | ||
1243 | if (dsa_sign) | |
1244 | { | |
1245 | mask|=SSL_aDSS; | |
1246 | emask|=SSL_aDSS; | |
1247 | } | |
1248 | ||
1249 | #ifdef SSL_ALLOW_ADH | |
1250 | mask|=SSL_aNULL; | |
1251 | emask|=SSL_aNULL; | |
1252 | #endif | |
1253 | ||
1254 | c->mask=mask; | |
1255 | c->export_mask=emask; | |
1256 | c->valid=1; | |
1257 | } | |
1258 | ||
1259 | /* THIS NEEDS CLEANING UP */ | |
4f43d0e7 | 1260 | X509 *ssl_get_server_send_cert(SSL *s) |
d02b48c6 RE |
1261 | { |
1262 | unsigned long alg,mask,kalg; | |
1263 | CERT *c; | |
df63a389 | 1264 | int i,is_export; |
d02b48c6 RE |
1265 | |
1266 | c=s->cert; | |
ca8e5b9b | 1267 | ssl_set_cert_masks(c, s->s3->tmp.new_cipher); |
d02b48c6 | 1268 | alg=s->s3->tmp.new_cipher->algorithms; |
df63a389 UM |
1269 | is_export=SSL_IS_EXPORT(alg); |
1270 | mask=is_export?c->export_mask:c->mask; | |
d02b48c6 RE |
1271 | kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK); |
1272 | ||
1273 | if (kalg & SSL_kDHr) | |
1274 | i=SSL_PKEY_DH_RSA; | |
1275 | else if (kalg & SSL_kDHd) | |
1276 | i=SSL_PKEY_DH_DSA; | |
1277 | else if (kalg & SSL_aDSS) | |
1278 | i=SSL_PKEY_DSA_SIGN; | |
1279 | else if (kalg & SSL_aRSA) | |
1280 | { | |
1281 | if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL) | |
1282 | i=SSL_PKEY_RSA_SIGN; | |
1283 | else | |
1284 | i=SSL_PKEY_RSA_ENC; | |
1285 | } | |
1286 | else /* if (kalg & SSL_aNULL) */ | |
1287 | { | |
1288 | SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR); | |
1289 | return(NULL); | |
1290 | } | |
1291 | if (c->pkeys[i].x509 == NULL) return(NULL); | |
1292 | return(c->pkeys[i].x509); | |
1293 | } | |
1294 | ||
4f43d0e7 | 1295 | EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher) |
d02b48c6 RE |
1296 | { |
1297 | unsigned long alg; | |
1298 | CERT *c; | |
1299 | ||
1300 | alg=cipher->algorithms; | |
1301 | c=s->cert; | |
1302 | ||
1303 | if ((alg & SSL_aDSS) && | |
1304 | (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) | |
1305 | return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey); | |
1306 | else if (alg & SSL_aRSA) | |
1307 | { | |
1308 | if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) | |
1309 | return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey); | |
1310 | else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) | |
1311 | return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey); | |
1312 | else | |
1313 | return(NULL); | |
1314 | } | |
1315 | else /* if (alg & SSL_aNULL) */ | |
1316 | { | |
1317 | SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR); | |
1318 | return(NULL); | |
1319 | } | |
1320 | } | |
1321 | ||
4f43d0e7 | 1322 | void ssl_update_cache(SSL *s,int mode) |
d02b48c6 | 1323 | { |
58964a49 RE |
1324 | int i; |
1325 | ||
1326 | /* If the session_id_length is 0, we are not supposed to cache it, | |
1327 | * and it would be rather hard to do anyway :-) */ | |
1328 | if (s->session->session_id_length == 0) return; | |
1329 | ||
d02b48c6 RE |
1330 | if ((s->ctx->session_cache_mode & mode) |
1331 | && (!s->hit) | |
1332 | && SSL_CTX_add_session(s->ctx,s->session) | |
1333 | && (s->ctx->new_session_cb != NULL)) | |
1334 | { | |
58964a49 | 1335 | CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION); |
d02b48c6 RE |
1336 | if (!s->ctx->new_session_cb(s,s->session)) |
1337 | SSL_SESSION_free(s->session); | |
1338 | } | |
1339 | ||
1340 | /* auto flush every 255 connections */ | |
58964a49 RE |
1341 | i=s->ctx->session_cache_mode; |
1342 | if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && | |
1343 | ((i & mode) == mode)) | |
1344 | { | |
1345 | if ( (((mode & SSL_SESS_CACHE_CLIENT) | |
413c4f45 MC |
1346 | ?s->ctx->stats.sess_connect_good |
1347 | :s->ctx->stats.sess_accept_good) & 0xff) == 0xff) | |
58964a49 RE |
1348 | { |
1349 | SSL_CTX_flush_sessions(s->ctx,time(NULL)); | |
1350 | } | |
1351 | } | |
d02b48c6 RE |
1352 | } |
1353 | ||
4f43d0e7 | 1354 | SSL_METHOD *SSL_get_ssl_method(SSL *s) |
d02b48c6 RE |
1355 | { |
1356 | return(s->method); | |
1357 | } | |
1358 | ||
4f43d0e7 | 1359 | int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth) |
d02b48c6 RE |
1360 | { |
1361 | int conn= -1; | |
1362 | int ret=1; | |
1363 | ||
1364 | if (s->method != meth) | |
1365 | { | |
1366 | if (s->handshake_func != NULL) | |
1367 | conn=(s->handshake_func == s->method->ssl_connect); | |
1368 | ||
1369 | if (s->method->version == meth->version) | |
1370 | s->method=meth; | |
1371 | else | |
1372 | { | |
1373 | s->method->ssl_free(s); | |
1374 | s->method=meth; | |
1375 | ret=s->method->ssl_new(s); | |
1376 | } | |
1377 | ||
1378 | if (conn == 1) | |
1379 | s->handshake_func=meth->ssl_connect; | |
1380 | else if (conn == 0) | |
1381 | s->handshake_func=meth->ssl_accept; | |
1382 | } | |
1383 | return(ret); | |
1384 | } | |
1385 | ||
4f43d0e7 | 1386 | int SSL_get_error(SSL *s,int i) |
d02b48c6 RE |
1387 | { |
1388 | int reason; | |
413c4f45 | 1389 | unsigned long l; |
d02b48c6 RE |
1390 | BIO *bio; |
1391 | ||
1392 | if (i > 0) return(SSL_ERROR_NONE); | |
1393 | ||
413c4f45 MC |
1394 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake |
1395 | * etc, where we do encode the error */ | |
1396 | if ((l=ERR_peek_error()) != 0) | |
1397 | { | |
1398 | if (ERR_GET_LIB(l) == ERR_LIB_SYS) | |
1399 | return(SSL_ERROR_SYSCALL); | |
1400 | else | |
1401 | return(SSL_ERROR_SSL); | |
1402 | } | |
d02b48c6 RE |
1403 | |
1404 | if ((i < 0) && SSL_want_read(s)) | |
1405 | { | |
1406 | bio=SSL_get_rbio(s); | |
1407 | if (BIO_should_read(bio)) | |
1408 | return(SSL_ERROR_WANT_READ); | |
1409 | else if (BIO_should_write(bio)) | |
3a66e306 BM |
1410 | /* This one doesn't make too much sense ... We never try |
1411 | * to write to the rbio, and an application program where | |
1412 | * rbio and wbio are separate couldn't even know what it | |
1413 | * should wait for. | |
1414 | * However if we ever set s->rwstate incorrectly | |
1415 | * (so that we have SSL_want_read(s) instead of | |
1416 | * SSL_want_write(s)) and rbio and wbio *are* the same, | |
1417 | * this test works around that bug; so it might be safer | |
1418 | * to keep it. */ | |
d02b48c6 RE |
1419 | return(SSL_ERROR_WANT_WRITE); |
1420 | else if (BIO_should_io_special(bio)) | |
1421 | { | |
1422 | reason=BIO_get_retry_reason(bio); | |
1423 | if (reason == BIO_RR_CONNECT) | |
1424 | return(SSL_ERROR_WANT_CONNECT); | |
1425 | else | |
1426 | return(SSL_ERROR_SYSCALL); /* unknown */ | |
1427 | } | |
1428 | } | |
1429 | ||
1430 | if ((i < 0) && SSL_want_write(s)) | |
1431 | { | |
1432 | bio=SSL_get_wbio(s); | |
1433 | if (BIO_should_write(bio)) | |
1434 | return(SSL_ERROR_WANT_WRITE); | |
1435 | else if (BIO_should_read(bio)) | |
3a66e306 | 1436 | /* See above (SSL_want_read(s) with BIO_should_write(bio)) */ |
d02b48c6 RE |
1437 | return(SSL_ERROR_WANT_READ); |
1438 | else if (BIO_should_io_special(bio)) | |
1439 | { | |
1440 | reason=BIO_get_retry_reason(bio); | |
1441 | if (reason == BIO_RR_CONNECT) | |
1442 | return(SSL_ERROR_WANT_CONNECT); | |
1443 | else | |
1444 | return(SSL_ERROR_SYSCALL); | |
1445 | } | |
1446 | } | |
1447 | if ((i < 0) && SSL_want_x509_lookup(s)) | |
1448 | { | |
1449 | return(SSL_ERROR_WANT_X509_LOOKUP); | |
1450 | } | |
1451 | ||
1452 | if (i == 0) | |
1453 | { | |
58964a49 | 1454 | if (s->version == SSL2_VERSION) |
d02b48c6 RE |
1455 | { |
1456 | /* assume it is the socket being closed */ | |
1457 | return(SSL_ERROR_ZERO_RETURN); | |
1458 | } | |
1459 | else | |
1460 | { | |
1461 | if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && | |
58964a49 | 1462 | (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) |
d02b48c6 RE |
1463 | return(SSL_ERROR_ZERO_RETURN); |
1464 | } | |
1465 | } | |
1466 | return(SSL_ERROR_SYSCALL); | |
1467 | } | |
1468 | ||
4f43d0e7 | 1469 | int SSL_do_handshake(SSL *s) |
d02b48c6 | 1470 | { |
58964a49 RE |
1471 | int ret=1; |
1472 | ||
d02b48c6 RE |
1473 | if (s->handshake_func == NULL) |
1474 | { | |
58964a49 | 1475 | SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET); |
d02b48c6 RE |
1476 | return(-1); |
1477 | } | |
dfeab068 RE |
1478 | |
1479 | s->method->ssl_renegotiate_check(s); | |
1480 | ||
d02b48c6 | 1481 | if (SSL_in_init(s) || SSL_in_before(s)) |
58964a49 RE |
1482 | { |
1483 | ret=s->handshake_func(s); | |
1484 | } | |
1485 | return(ret); | |
d02b48c6 RE |
1486 | } |
1487 | ||
1488 | /* For the next 2 functions, SSL_clear() sets shutdown and so | |
1489 | * one of these calls will reset it */ | |
4f43d0e7 | 1490 | void SSL_set_accept_state(SSL *s) |
d02b48c6 | 1491 | { |
413c4f45 | 1492 | s->server=1; |
d02b48c6 RE |
1493 | s->shutdown=0; |
1494 | s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE; | |
1495 | s->handshake_func=s->method->ssl_accept; | |
1496 | /* clear the current cipher */ | |
1497 | ssl_clear_cipher_ctx(s); | |
1498 | } | |
1499 | ||
4f43d0e7 | 1500 | void SSL_set_connect_state(SSL *s) |
d02b48c6 | 1501 | { |
413c4f45 | 1502 | s->server=0; |
d02b48c6 RE |
1503 | s->shutdown=0; |
1504 | s->state=SSL_ST_CONNECT|SSL_ST_BEFORE; | |
1505 | s->handshake_func=s->method->ssl_connect; | |
1506 | /* clear the current cipher */ | |
1507 | ssl_clear_cipher_ctx(s); | |
1508 | } | |
1509 | ||
4f43d0e7 | 1510 | int ssl_undefined_function(SSL *s) |
d02b48c6 RE |
1511 | { |
1512 | SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
1513 | return(0); | |
1514 | } | |
1515 | ||
4f43d0e7 | 1516 | SSL_METHOD *ssl_bad_method(int ver) |
d02b48c6 RE |
1517 | { |
1518 | SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | |
1519 | return(NULL); | |
1520 | } | |
1521 | ||
4f43d0e7 | 1522 | char *SSL_get_version(SSL *s) |
d02b48c6 | 1523 | { |
58964a49 RE |
1524 | if (s->version == TLS1_VERSION) |
1525 | return("TLSv1"); | |
1526 | else if (s->version == SSL3_VERSION) | |
d02b48c6 | 1527 | return("SSLv3"); |
58964a49 | 1528 | else if (s->version == SSL2_VERSION) |
d02b48c6 RE |
1529 | return("SSLv2"); |
1530 | else | |
1531 | return("unknown"); | |
1532 | } | |
1533 | ||
4f43d0e7 | 1534 | SSL *SSL_dup(SSL *s) |
8a41eb70 | 1535 | { |
f73e07cf | 1536 | STACK_OF(X509_NAME) *sk; |
d02b48c6 | 1537 | X509_NAME *xn; |
b1c4fe36 | 1538 | SSL *ret; |
d02b48c6 RE |
1539 | int i; |
1540 | ||
b4cadc6e BL |
1541 | if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) |
1542 | return(NULL); | |
d02b48c6 | 1543 | |
8a41eb70 BM |
1544 | if (s->session != NULL) |
1545 | { | |
1546 | /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */ | |
1547 | SSL_copy_session_id(ret,s); | |
1548 | } | |
1549 | else | |
1550 | { | |
1551 | /* No session has been established yet, so we have to expect | |
1552 | * that s->cert or ret->cert will be changed later -- | |
1553 | * they should not both point to the same object, | |
1554 | * and thus we can't use SSL_copy_session_id. */ | |
1555 | ||
1556 | ret->method = s->method; | |
1557 | ret->method->ssl_new(ret); | |
1558 | ||
1559 | if (s->cert != NULL) | |
1560 | { | |
1561 | ret->cert = ssl_cert_dup(s->cert); | |
1562 | if (ret->cert == NULL) | |
1563 | goto err; | |
1564 | } | |
1565 | ||
1566 | SSL_set_session_id_context(ret, | |
1567 | s->sid_ctx, s->sid_ctx_length); | |
1568 | } | |
d02b48c6 RE |
1569 | |
1570 | SSL_set_read_ahead(ret,SSL_get_read_ahead(s)); | |
1571 | SSL_set_verify(ret,SSL_get_verify_mode(s), | |
1572 | SSL_get_verify_callback(s)); | |
7f89714e | 1573 | SSL_set_verify_depth(ret,SSL_get_verify_depth(s)); |
d02b48c6 RE |
1574 | |
1575 | SSL_set_info_callback(ret,SSL_get_info_callback(s)); | |
1576 | ||
1577 | ret->debug=s->debug; | |
58964a49 | 1578 | ret->options=s->options; |
d02b48c6 RE |
1579 | |
1580 | /* copy app data, a little dangerous perhaps */ | |
58964a49 RE |
1581 | if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data)) |
1582 | goto err; | |
d02b48c6 RE |
1583 | |
1584 | /* setup rbio, and wbio */ | |
1585 | if (s->rbio != NULL) | |
1586 | { | |
1587 | if (!BIO_dup_state(s->rbio,(char *)&ret->rbio)) | |
1588 | goto err; | |
1589 | } | |
1590 | if (s->wbio != NULL) | |
1591 | { | |
1592 | if (s->wbio != s->rbio) | |
1593 | { | |
58964a49 | 1594 | if (!BIO_dup_state(s->wbio,(char *)&ret->wbio)) |
d02b48c6 RE |
1595 | goto err; |
1596 | } | |
1597 | else | |
1598 | ret->wbio=ret->rbio; | |
1599 | } | |
1600 | ||
1601 | /* dup the cipher_list and cipher_list_by_id stacks */ | |
1602 | if (s->cipher_list != NULL) | |
1603 | { | |
f73e07cf | 1604 | if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) |
d02b48c6 RE |
1605 | goto err; |
1606 | } | |
1607 | if (s->cipher_list_by_id != NULL) | |
f73e07cf | 1608 | if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id)) |
d02b48c6 RE |
1609 | == NULL) |
1610 | goto err; | |
1611 | ||
1612 | /* Dup the client_CA list */ | |
1613 | if (s->client_CA != NULL) | |
1614 | { | |
f73e07cf | 1615 | if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err; |
d02b48c6 | 1616 | ret->client_CA=sk; |
f73e07cf | 1617 | for (i=0; i<sk_X509_NAME_num(sk); i++) |
d02b48c6 | 1618 | { |
f73e07cf BL |
1619 | xn=sk_X509_NAME_value(sk,i); |
1620 | if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL) | |
d02b48c6 RE |
1621 | { |
1622 | X509_NAME_free(xn); | |
1623 | goto err; | |
1624 | } | |
1625 | } | |
1626 | } | |
1627 | ||
1628 | ret->shutdown=s->shutdown; | |
1629 | ret->state=s->state; | |
1630 | ret->handshake_func=s->handshake_func; | |
413c4f45 | 1631 | ret->server=s->server; |
d02b48c6 RE |
1632 | |
1633 | if (0) | |
1634 | { | |
1635 | err: | |
1636 | if (ret != NULL) SSL_free(ret); | |
1637 | ret=NULL; | |
1638 | } | |
1639 | return(ret); | |
1640 | } | |
1641 | ||
4f43d0e7 | 1642 | void ssl_clear_cipher_ctx(SSL *s) |
d02b48c6 | 1643 | { |
8a41eb70 BM |
1644 | if (s->enc_read_ctx != NULL) |
1645 | { | |
1646 | EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); | |
1647 | Free(s->enc_read_ctx); | |
1648 | s->enc_read_ctx=NULL; | |
1649 | } | |
1650 | if (s->enc_write_ctx != NULL) | |
1651 | { | |
1652 | EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); | |
1653 | Free(s->enc_write_ctx); | |
1654 | s->enc_write_ctx=NULL; | |
1655 | } | |
413c4f45 MC |
1656 | if (s->expand != NULL) |
1657 | { | |
1658 | COMP_CTX_free(s->expand); | |
1659 | s->expand=NULL; | |
1660 | } | |
1661 | if (s->compress != NULL) | |
1662 | { | |
1663 | COMP_CTX_free(s->compress); | |
1664 | s->compress=NULL; | |
1665 | } | |
d02b48c6 RE |
1666 | } |
1667 | ||
58964a49 | 1668 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 1669 | X509 *SSL_get_certificate(SSL *s) |
d02b48c6 RE |
1670 | { |
1671 | if (s->cert != NULL) | |
1672 | return(s->cert->key->x509); | |
1673 | else | |
1674 | return(NULL); | |
1675 | } | |
1676 | ||
58964a49 | 1677 | /* Fix this function so that it takes an optional type parameter */ |
4f43d0e7 | 1678 | EVP_PKEY *SSL_get_privatekey(SSL *s) |
d02b48c6 RE |
1679 | { |
1680 | if (s->cert != NULL) | |
1681 | return(s->cert->key->privatekey); | |
1682 | else | |
1683 | return(NULL); | |
1684 | } | |
1685 | ||
4f43d0e7 | 1686 | SSL_CIPHER *SSL_get_current_cipher(SSL *s) |
d02b48c6 | 1687 | { |
b1c4fe36 BM |
1688 | if ((s->session != NULL) && (s->session->cipher != NULL)) |
1689 | return(s->session->cipher); | |
1690 | return(NULL); | |
d02b48c6 RE |
1691 | } |
1692 | ||
4f43d0e7 | 1693 | int ssl_init_wbio_buffer(SSL *s,int push) |
58964a49 RE |
1694 | { |
1695 | BIO *bbio; | |
1696 | ||
1697 | if (s->bbio == NULL) | |
1698 | { | |
1699 | bbio=BIO_new(BIO_f_buffer()); | |
1700 | if (bbio == NULL) return(0); | |
1701 | s->bbio=bbio; | |
1702 | } | |
1703 | else | |
1704 | { | |
1705 | bbio=s->bbio; | |
1706 | if (s->bbio == s->wbio) | |
1707 | s->wbio=BIO_pop(s->wbio); | |
1708 | } | |
d58d092b | 1709 | (void)BIO_reset(bbio); |
58964a49 RE |
1710 | /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ |
1711 | if (!BIO_set_read_buffer_size(bbio,1)) | |
1712 | { | |
1713 | SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB); | |
1714 | return(0); | |
1715 | } | |
1716 | if (push) | |
1717 | { | |
1718 | if (s->wbio != bbio) | |
1719 | s->wbio=BIO_push(bbio,s->wbio); | |
1720 | } | |
1721 | else | |
1722 | { | |
1723 | if (s->wbio == bbio) | |
1724 | s->wbio=BIO_pop(bbio); | |
1725 | } | |
1726 | return(1); | |
1727 | } | |
413c4f45 | 1728 | |
4f43d0e7 | 1729 | void ssl_free_wbio_buffer(SSL *s) |
413c4f45 MC |
1730 | { |
1731 | BIO *under; | |
1732 | ||
1733 | if (s->bbio == NULL) return; | |
1734 | ||
1735 | if (s->bbio == s->wbio) | |
1736 | { | |
1737 | /* remove buffering */ | |
1738 | under=BIO_pop(s->wbio); | |
1739 | if (under != NULL) | |
1740 | s->wbio=under; | |
1741 | else | |
1742 | abort(); /* ok */ | |
1743 | } | |
1744 | BIO_free(s->bbio); | |
1745 | s->bbio=NULL; | |
1746 | } | |
58964a49 | 1747 | |
4f43d0e7 | 1748 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode) |
58964a49 RE |
1749 | { |
1750 | ctx->quiet_shutdown=mode; | |
1751 | } | |
1752 | ||
4f43d0e7 | 1753 | int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx) |
58964a49 RE |
1754 | { |
1755 | return(ctx->quiet_shutdown); | |
1756 | } | |
1757 | ||
4f43d0e7 | 1758 | void SSL_set_quiet_shutdown(SSL *s,int mode) |
58964a49 RE |
1759 | { |
1760 | s->quiet_shutdown=mode; | |
1761 | } | |
1762 | ||
4f43d0e7 | 1763 | int SSL_get_quiet_shutdown(SSL *s) |
58964a49 RE |
1764 | { |
1765 | return(s->quiet_shutdown); | |
1766 | } | |
1767 | ||
4f43d0e7 | 1768 | void SSL_set_shutdown(SSL *s,int mode) |
58964a49 RE |
1769 | { |
1770 | s->shutdown=mode; | |
1771 | } | |
1772 | ||
4f43d0e7 | 1773 | int SSL_get_shutdown(SSL *s) |
58964a49 RE |
1774 | { |
1775 | return(s->shutdown); | |
1776 | } | |
1777 | ||
4f43d0e7 | 1778 | int SSL_version(SSL *s) |
58964a49 RE |
1779 | { |
1780 | return(s->version); | |
1781 | } | |
1782 | ||
4f43d0e7 | 1783 | SSL_CTX *SSL_get_SSL_CTX(SSL *ssl) |
58964a49 RE |
1784 | { |
1785 | return(ssl->ctx); | |
1786 | } | |
1787 | ||
dfeab068 | 1788 | #ifndef NO_STDIO |
4f43d0e7 | 1789 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) |
58964a49 RE |
1790 | { |
1791 | return(X509_STORE_set_default_paths(ctx->cert_store)); | |
1792 | } | |
1793 | ||
303c0028 BM |
1794 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, |
1795 | const char *CApath) | |
58964a49 RE |
1796 | { |
1797 | return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath)); | |
1798 | } | |
dfeab068 | 1799 | #endif |
58964a49 | 1800 | |
4f43d0e7 | 1801 | void SSL_set_info_callback(SSL *ssl,void (*cb)()) |
58964a49 RE |
1802 | { |
1803 | ssl->info_callback=cb; | |
1804 | } | |
1805 | ||
6b691a5c | 1806 | void (*SSL_get_info_callback(SSL *ssl))(void) |
58964a49 | 1807 | { |
dfeab068 | 1808 | return((void (*)())ssl->info_callback); |
58964a49 RE |
1809 | } |
1810 | ||
4f43d0e7 | 1811 | int SSL_state(SSL *ssl) |
58964a49 RE |
1812 | { |
1813 | return(ssl->state); | |
1814 | } | |
1815 | ||
4f43d0e7 | 1816 | void SSL_set_verify_result(SSL *ssl,long arg) |
58964a49 RE |
1817 | { |
1818 | ssl->verify_result=arg; | |
1819 | } | |
1820 | ||
4f43d0e7 | 1821 | long SSL_get_verify_result(SSL *ssl) |
58964a49 RE |
1822 | { |
1823 | return(ssl->verify_result); | |
1824 | } | |
1825 | ||
4f43d0e7 BL |
1826 | int SSL_get_ex_new_index(long argl,char *argp,int (*new_func)(), |
1827 | int (*dup_func)(),void (*free_func)()) | |
b1c4fe36 | 1828 | { |
58964a49 RE |
1829 | ssl_meth_num++; |
1830 | return(CRYPTO_get_ex_new_index(ssl_meth_num-1, | |
1831 | &ssl_meth,argl,argp,new_func,dup_func,free_func)); | |
b1c4fe36 | 1832 | } |
58964a49 | 1833 | |
4f43d0e7 | 1834 | int SSL_set_ex_data(SSL *s,int idx,void *arg) |
58964a49 RE |
1835 | { |
1836 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
1837 | } | |
1838 | ||
4f43d0e7 | 1839 | void *SSL_get_ex_data(SSL *s,int idx) |
58964a49 RE |
1840 | { |
1841 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
1842 | } | |
1843 | ||
4f43d0e7 BL |
1844 | int SSL_CTX_get_ex_new_index(long argl,char *argp,int (*new_func)(), |
1845 | int (*dup_func)(),void (*free_func)()) | |
b1c4fe36 | 1846 | { |
58964a49 RE |
1847 | ssl_ctx_meth_num++; |
1848 | return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1, | |
1849 | &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func)); | |
b1c4fe36 | 1850 | } |
58964a49 | 1851 | |
4f43d0e7 | 1852 | int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg) |
58964a49 RE |
1853 | { |
1854 | return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); | |
1855 | } | |
1856 | ||
4f43d0e7 | 1857 | void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx) |
58964a49 RE |
1858 | { |
1859 | return(CRYPTO_get_ex_data(&s->ex_data,idx)); | |
1860 | } | |
1861 | ||
4f43d0e7 | 1862 | int ssl_ok(SSL *s) |
dfeab068 RE |
1863 | { |
1864 | return(1); | |
1865 | } | |
1866 | ||
4f43d0e7 | 1867 | X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx) |
413c4f45 MC |
1868 | { |
1869 | return(ctx->cert_store); | |
1870 | } | |
1871 | ||
4f43d0e7 | 1872 | void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store) |
413c4f45 MC |
1873 | { |
1874 | if (ctx->cert_store != NULL) | |
1875 | X509_STORE_free(ctx->cert_store); | |
1876 | ctx->cert_store=store; | |
1877 | } | |
1878 | ||
4f43d0e7 | 1879 | int SSL_want(SSL *s) |
413c4f45 MC |
1880 | { |
1881 | return(s->rwstate); | |
1882 | } | |
1883 | ||
4f43d0e7 BL |
1884 | /*! |
1885 | * \brief Set the callback for generating temporary RSA keys. | |
1886 | * \param ctx the SSL context. | |
1887 | * \param cb the callback | |
1888 | */ | |
1889 | ||
79df9d62 | 1890 | #ifndef NO_RSA |
df63a389 UM |
1891 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl, |
1892 | int is_export, | |
60e31c3a | 1893 | int keylength)) |
f8c3c05d | 1894 | { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); } |
79df9d62 UM |
1895 | #endif |
1896 | ||
1897 | #ifndef NO_RSA | |
df63a389 | 1898 | void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,int is_export, |
79df9d62 UM |
1899 | int keylength)) |
1900 | { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); } | |
1901 | #endif | |
f8c3c05d | 1902 | |
4f43d0e7 BL |
1903 | #ifdef DOXYGEN |
1904 | /*! | |
1905 | * \brief The RSA temporary key callback function. | |
1906 | * \param ssl the SSL session. | |
df63a389 UM |
1907 | * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite. |
1908 | * \param keylength if \c is_export is \c TRUE, then \c keylength is the size | |
1909 | * of the required key in bits. | |
4f43d0e7 BL |
1910 | * \return the temporary RSA key. |
1911 | * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback | |
1912 | */ | |
1913 | ||
df63a389 | 1914 | RSA *cb(SSL *ssl,int is_export,int keylength) |
4f43d0e7 BL |
1915 | {} |
1916 | #endif | |
1917 | ||
1918 | /*! | |
1919 | * \brief Set the callback for generating temporary DH keys. | |
1920 | * \param ctx the SSL context. | |
1921 | * \param dh the callback | |
1922 | */ | |
1923 | ||
79df9d62 | 1924 | #ifndef NO_DH |
df63a389 | 1925 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export, |
60e31c3a | 1926 | int keylength)) |
f8c3c05d BL |
1927 | { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); } |
1928 | ||
df63a389 | 1929 | void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export, |
15d21c2d RE |
1930 | int keylength)) |
1931 | { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); } | |
79df9d62 | 1932 | #endif |
15d21c2d | 1933 | |
58964a49 RE |
1934 | #if defined(_WINDLL) && defined(WIN16) |
1935 | #include "../crypto/bio/bss_file.c" | |
1936 | #endif | |
f73e07cf BL |
1937 | |
1938 | IMPLEMENT_STACK_OF(SSL_CIPHER) | |
1939 | IMPLEMENT_STACK_OF(SSL_COMP) |