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1 /* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */ | |
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
3 * All rights reserved. | |
4 * | |
5 * This package is an SSL implementation written | |
6 * by Eric Young (eay@cryptsoft.com). | |
7 * The implementation was written so as to conform with Netscapes SSL. | |
8 * | |
9 * This library is free for commercial and non-commercial use as long as | |
10 * the following conditions are aheared to. The following conditions | |
11 * apply to all code found in this distribution, be it the RC4, RSA, | |
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 * included with this distribution is covered by the same copyright terms | |
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
15 * | |
16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
17 * the code are not to be removed. | |
18 * If this package is used in a product, Eric Young should be given attribution | |
19 * as the author of the parts of the library used. | |
20 * This can be in the form of a textual message at program startup or | |
21 * in documentation (online or textual) provided with the package. | |
22 * | |
23 * Redistribution and use in source and binary forms, with or without | |
24 * modification, are permitted provided that the following conditions | |
25 * are met: | |
26 * 1. Redistributions of source code must retain the copyright | |
27 * notice, this list of conditions and the following disclaimer. | |
28 * 2. Redistributions in binary form must reproduce the above copyright | |
29 * notice, this list of conditions and the following disclaimer in the | |
30 * documentation and/or other materials provided with the distribution. | |
31 * 3. All advertising materials mentioning features or use of this software | |
32 * must display the following acknowledgement: | |
33 * "This product includes cryptographic software written by | |
34 * Eric Young (eay@cryptsoft.com)" | |
35 * The word 'cryptographic' can be left out if the rouines from the library | |
36 * being used are not cryptographic related :-). | |
37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 * the apps directory (application code) you must include an acknowledgement: | |
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 * | |
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 * SUCH DAMAGE. | |
52 * | |
53 * The licence and distribution terms for any publically available version or | |
54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 * copied and put under another distribution licence | |
56 * [including the GNU Public Licence.] | |
57 */ | |
58 /* ==================================================================== | |
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. | |
60 * | |
61 * Redistribution and use in source and binary forms, with or without | |
62 * modification, are permitted provided that the following conditions | |
63 * are met: | |
64 * | |
65 * 1. Redistributions of source code must retain the above copyright | |
66 * notice, this list of conditions and the following disclaimer. | |
67 * | |
68 * 2. Redistributions in binary form must reproduce the above copyright | |
69 * notice, this list of conditions and the following disclaimer in | |
70 * the documentation and/or other materials provided with the | |
71 * distribution. | |
72 * | |
73 * 3. All advertising materials mentioning features or use of this | |
74 * software must display the following acknowledgment: | |
75 * "This product includes software developed by the OpenSSL Project | |
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
77 * | |
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 * endorse or promote products derived from this software without | |
80 * prior written permission. For written permission, please contact | |
81 * openssl-core@openssl.org. | |
82 * | |
83 * 5. Products derived from this software may not be called "OpenSSL" | |
84 * nor may "OpenSSL" appear in their names without prior written | |
85 * permission of the OpenSSL Project. | |
86 * | |
87 * 6. Redistributions of any form whatsoever must retain the following | |
88 * acknowledgment: | |
89 * "This product includes software developed by the OpenSSL Project | |
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 * | |
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 * ==================================================================== | |
105 * | |
106 * This product includes cryptographic software written by Eric Young | |
107 * (eay@cryptsoft.com). This product includes software written by Tim | |
108 * Hudson (tjh@cryptsoft.com). | |
109 * | |
110 */ | |
111 | |
112 #include <stdio.h> | |
113 #include <stdlib.h> | |
114 #define USE_SOCKETS | |
115 #define NON_MAIN | |
116 #include "apps.h" | |
117 #undef NON_MAIN | |
118 #undef USE_SOCKETS | |
119 #include <openssl/err.h> | |
120 #include <openssl/rand.h> | |
121 #include <openssl/x509.h> | |
122 #include <openssl/ssl.h> | |
123 #include "s_apps.h" | |
124 | |
125 #define COOKIE_SECRET_LENGTH 16 | |
126 | |
127 int verify_depth=0; | |
128 int verify_error=X509_V_OK; | |
129 int verify_return_error=0; | |
130 unsigned char cookie_secret[COOKIE_SECRET_LENGTH]; | |
131 int cookie_initialized=0; | |
132 | |
133 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx) | |
134 { | |
135 X509 *err_cert; | |
136 int err,depth; | |
137 | |
138 err_cert=X509_STORE_CTX_get_current_cert(ctx); | |
139 err= X509_STORE_CTX_get_error(ctx); | |
140 depth= X509_STORE_CTX_get_error_depth(ctx); | |
141 | |
142 BIO_printf(bio_err,"depth=%d ",depth); | |
143 if (err_cert) | |
144 { | |
145 X509_NAME_print_ex(bio_err, X509_get_subject_name(err_cert), | |
146 0, XN_FLAG_ONELINE); | |
147 BIO_puts(bio_err, "\n"); | |
148 } | |
149 else | |
150 BIO_puts(bio_err, "<no cert>\n"); | |
151 if (!ok) | |
152 { | |
153 BIO_printf(bio_err,"verify error:num=%d:%s\n",err, | |
154 X509_verify_cert_error_string(err)); | |
155 if (verify_depth >= depth) | |
156 { | |
157 if (!verify_return_error) | |
158 ok=1; | |
159 verify_error=X509_V_OK; | |
160 } | |
161 else | |
162 { | |
163 ok=0; | |
164 verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG; | |
165 } | |
166 } | |
167 switch (err) | |
168 { | |
169 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: | |
170 BIO_puts(bio_err,"issuer= "); | |
171 X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert), | |
172 0, XN_FLAG_ONELINE); | |
173 BIO_puts(bio_err, "\n"); | |
174 break; | |
175 case X509_V_ERR_CERT_NOT_YET_VALID: | |
176 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: | |
177 BIO_printf(bio_err,"notBefore="); | |
178 ASN1_TIME_print(bio_err,X509_get_notBefore(err_cert)); | |
179 BIO_printf(bio_err,"\n"); | |
180 break; | |
181 case X509_V_ERR_CERT_HAS_EXPIRED: | |
182 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: | |
183 BIO_printf(bio_err,"notAfter="); | |
184 ASN1_TIME_print(bio_err,X509_get_notAfter(err_cert)); | |
185 BIO_printf(bio_err,"\n"); | |
186 break; | |
187 case X509_V_ERR_NO_EXPLICIT_POLICY: | |
188 policies_print(bio_err, ctx); | |
189 break; | |
190 } | |
191 if (err == X509_V_OK && ok == 2) | |
192 policies_print(bio_err, ctx); | |
193 | |
194 BIO_printf(bio_err,"verify return:%d\n",ok); | |
195 return(ok); | |
196 } | |
197 | |
198 int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file) | |
199 { | |
200 if (cert_file != NULL) | |
201 { | |
202 /* | |
203 SSL *ssl; | |
204 X509 *x509; | |
205 */ | |
206 | |
207 if (SSL_CTX_use_certificate_file(ctx,cert_file, | |
208 SSL_FILETYPE_PEM) <= 0) | |
209 { | |
210 BIO_printf(bio_err,"unable to get certificate from '%s'\
n",cert_file); | |
211 ERR_print_errors(bio_err); | |
212 return(0); | |
213 } | |
214 if (key_file == NULL) key_file=cert_file; | |
215 if (SSL_CTX_use_PrivateKey_file(ctx,key_file, | |
216 SSL_FILETYPE_PEM) <= 0) | |
217 { | |
218 BIO_printf(bio_err,"unable to get private key from '%s'\
n",key_file); | |
219 ERR_print_errors(bio_err); | |
220 return(0); | |
221 } | |
222 | |
223 /* | |
224 In theory this is no longer needed | |
225 ssl=SSL_new(ctx); | |
226 x509=SSL_get_certificate(ssl); | |
227 | |
228 if (x509 != NULL) { | |
229 EVP_PKEY *pktmp; | |
230 pktmp = X509_get_pubkey(x509); | |
231 EVP_PKEY_copy_parameters(pktmp, | |
232 SSL_get_privatekey(ssl)); | |
233 EVP_PKEY_free(pktmp); | |
234 } | |
235 SSL_free(ssl); | |
236 */ | |
237 | |
238 /* If we are using DSA, we can copy the parameters from | |
239 * the private key */ | |
240 | |
241 | |
242 /* Now we know that a key and cert have been set against | |
243 * the SSL context */ | |
244 if (!SSL_CTX_check_private_key(ctx)) | |
245 { | |
246 BIO_printf(bio_err,"Private key does not match the certi
ficate public key\n"); | |
247 return(0); | |
248 } | |
249 } | |
250 return(1); | |
251 } | |
252 | |
253 int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key) | |
254 { | |
255 if (cert == NULL) | |
256 return 1; | |
257 if (SSL_CTX_use_certificate(ctx,cert) <= 0) | |
258 { | |
259 BIO_printf(bio_err,"error setting certificate\n"); | |
260 ERR_print_errors(bio_err); | |
261 return 0; | |
262 } | |
263 if (SSL_CTX_use_PrivateKey(ctx,key) <= 0) | |
264 { | |
265 BIO_printf(bio_err,"error setting private key\n"); | |
266 ERR_print_errors(bio_err); | |
267 return 0; | |
268 } | |
269 | |
270 | |
271 /* Now we know that a key and cert have been set against | |
272 * the SSL context */ | |
273 if (!SSL_CTX_check_private_key(ctx)) | |
274 { | |
275 BIO_printf(bio_err,"Private key does not match the certificate p
ublic key\n"); | |
276 return 0; | |
277 } | |
278 return 1; | |
279 } | |
280 | |
281 long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp, | |
282 int argi, long argl, long ret) | |
283 { | |
284 BIO *out; | |
285 | |
286 out=(BIO *)BIO_get_callback_arg(bio); | |
287 if (out == NULL) return(ret); | |
288 | |
289 if (cmd == (BIO_CB_READ|BIO_CB_RETURN)) | |
290 { | |
291 BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
292 (void *)bio,argp,(unsigned long)argi,ret,ret); | |
293 BIO_dump(out,argp,(int)ret); | |
294 return(ret); | |
295 } | |
296 else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN)) | |
297 { | |
298 BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
299 (void *)bio,argp,(unsigned long)argi,ret,ret); | |
300 BIO_dump(out,argp,(int)ret); | |
301 } | |
302 return(ret); | |
303 } | |
304 | |
305 void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret) | |
306 { | |
307 const char *str; | |
308 int w; | |
309 | |
310 w=where& ~SSL_ST_MASK; | |
311 | |
312 if (w & SSL_ST_CONNECT) str="SSL_connect"; | |
313 else if (w & SSL_ST_ACCEPT) str="SSL_accept"; | |
314 else str="undefined"; | |
315 | |
316 if (where & SSL_CB_LOOP) | |
317 { | |
318 BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s)); | |
319 } | |
320 else if (where & SSL_CB_ALERT) | |
321 { | |
322 str=(where & SSL_CB_READ)?"read":"write"; | |
323 BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n", | |
324 str, | |
325 SSL_alert_type_string_long(ret), | |
326 SSL_alert_desc_string_long(ret)); | |
327 } | |
328 else if (where & SSL_CB_EXIT) | |
329 { | |
330 if (ret == 0) | |
331 BIO_printf(bio_err,"%s:failed in %s\n", | |
332 str,SSL_state_string_long(s)); | |
333 else if (ret < 0) | |
334 { | |
335 BIO_printf(bio_err,"%s:error in %s\n", | |
336 str,SSL_state_string_long(s)); | |
337 } | |
338 } | |
339 } | |
340 | |
341 | |
342 void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *
buf, size_t len, SSL *ssl, void *arg) | |
343 { | |
344 BIO *bio = arg; | |
345 const char *str_write_p, *str_version, *str_content_type = "", *str_deta
ils1 = "", *str_details2= ""; | |
346 | |
347 str_write_p = write_p ? ">>>" : "<<<"; | |
348 | |
349 switch (version) | |
350 { | |
351 case SSL2_VERSION: | |
352 str_version = "SSL 2.0"; | |
353 break; | |
354 case SSL3_VERSION: | |
355 str_version = "SSL 3.0 "; | |
356 break; | |
357 case TLS1_VERSION: | |
358 str_version = "TLS 1.0 "; | |
359 break; | |
360 case TLS1_1_VERSION: | |
361 str_version = "TLS 1.1 "; | |
362 break; | |
363 case TLS1_2_VERSION: | |
364 str_version = "TLS 1.2 "; | |
365 break; | |
366 case DTLS1_VERSION: | |
367 str_version = "DTLS 1.0 "; | |
368 break; | |
369 case DTLS1_BAD_VER: | |
370 str_version = "DTLS 1.0 (bad) "; | |
371 break; | |
372 default: | |
373 str_version = "???"; | |
374 } | |
375 | |
376 if (version == SSL2_VERSION) | |
377 { | |
378 str_details1 = "???"; | |
379 | |
380 if (len > 0) | |
381 { | |
382 switch (((const unsigned char*)buf)[0]) | |
383 { | |
384 case 0: | |
385 str_details1 = ", ERROR:"; | |
386 str_details2 = " ???"; | |
387 if (len >= 3) | |
388 { | |
389 unsigned err = (((const unsigned
char*)buf)[1]<<8) + ((const unsigned char*)buf)[2]; | |
390 | |
391 switch (err) | |
392 { | |
393 case 0x0001: | |
394 str_details2 = " NO-CIPH
ER-ERROR"; | |
395 break; | |
396 case 0x0002: | |
397 str_details2 = " NO-CERT
IFICATE-ERROR"; | |
398 break; | |
399 case 0x0004: | |
400 str_details2 = " BAD-CER
TIFICATE-ERROR"; | |
401 break; | |
402 case 0x0006: | |
403 str_details2 = " UNSUPPO
RTED-CERTIFICATE-TYPE-ERROR"; | |
404 break; | |
405 } | |
406 } | |
407 | |
408 break; | |
409 case 1: | |
410 str_details1 = ", CLIENT-HELLO"; | |
411 break; | |
412 case 2: | |
413 str_details1 = ", CLIENT-MASTER-KEY"; | |
414 break; | |
415 case 3: | |
416 str_details1 = ", CLIENT-FINISHED"; | |
417 break; | |
418 case 4: | |
419 str_details1 = ", SERVER-HELLO"; | |
420 break; | |
421 case 5: | |
422 str_details1 = ", SERVER-VERIFY"; | |
423 break; | |
424 case 6: | |
425 str_details1 = ", SERVER-FINISHED"; | |
426 break; | |
427 case 7: | |
428 str_details1 = ", REQUEST-CERTIFICATE"; | |
429 break; | |
430 case 8: | |
431 str_details1 = ", CLIENT-CERTIFICATE"; | |
432 break; | |
433 } | |
434 } | |
435 } | |
436 | |
437 if (version == SSL3_VERSION || | |
438 version == TLS1_VERSION || | |
439 version == TLS1_1_VERSION || | |
440 version == TLS1_2_VERSION || | |
441 version == DTLS1_VERSION || | |
442 version == DTLS1_BAD_VER) | |
443 { | |
444 switch (content_type) | |
445 { | |
446 case 20: | |
447 str_content_type = "ChangeCipherSpec"; | |
448 break; | |
449 case 21: | |
450 str_content_type = "Alert"; | |
451 break; | |
452 case 22: | |
453 str_content_type = "Handshake"; | |
454 break; | |
455 } | |
456 | |
457 if (content_type == 21) /* Alert */ | |
458 { | |
459 str_details1 = ", ???"; | |
460 | |
461 if (len == 2) | |
462 { | |
463 switch (((const unsigned char*)buf)[0]) | |
464 { | |
465 case 1: | |
466 str_details1 = ", warning"; | |
467 break; | |
468 case 2: | |
469 str_details1 = ", fatal"; | |
470 break; | |
471 } | |
472 | |
473 str_details2 = " ???"; | |
474 switch (((const unsigned char*)buf)[1]) | |
475 { | |
476 case 0: | |
477 str_details2 = " close_notify"; | |
478 break; | |
479 case 10: | |
480 str_details2 = " unexpected_message"; | |
481 break; | |
482 case 20: | |
483 str_details2 = " bad_record_mac"; | |
484 break; | |
485 case 21: | |
486 str_details2 = " decryption_failed"; | |
487 break; | |
488 case 22: | |
489 str_details2 = " record_overflow"; | |
490 break; | |
491 case 30: | |
492 str_details2 = " decompression_failure"; | |
493 break; | |
494 case 40: | |
495 str_details2 = " handshake_failure"; | |
496 break; | |
497 case 42: | |
498 str_details2 = " bad_certificate"; | |
499 break; | |
500 case 43: | |
501 str_details2 = " unsupported_certificate
"; | |
502 break; | |
503 case 44: | |
504 str_details2 = " certificate_revoked"; | |
505 break; | |
506 case 45: | |
507 str_details2 = " certificate_expired"; | |
508 break; | |
509 case 46: | |
510 str_details2 = " certificate_unknown"; | |
511 break; | |
512 case 47: | |
513 str_details2 = " illegal_parameter"; | |
514 break; | |
515 case 48: | |
516 str_details2 = " unknown_ca"; | |
517 break; | |
518 case 49: | |
519 str_details2 = " access_denied"; | |
520 break; | |
521 case 50: | |
522 str_details2 = " decode_error"; | |
523 break; | |
524 case 51: | |
525 str_details2 = " decrypt_error"; | |
526 break; | |
527 case 60: | |
528 str_details2 = " export_restriction"; | |
529 break; | |
530 case 70: | |
531 str_details2 = " protocol_version"; | |
532 break; | |
533 case 71: | |
534 str_details2 = " insufficient_security"; | |
535 break; | |
536 case 80: | |
537 str_details2 = " internal_error"; | |
538 break; | |
539 case 90: | |
540 str_details2 = " user_canceled"; | |
541 break; | |
542 case 100: | |
543 str_details2 = " no_renegotiation"; | |
544 break; | |
545 case 110: | |
546 str_details2 = " unsupported_extension"; | |
547 break; | |
548 case 111: | |
549 str_details2 = " certificate_unobtainabl
e"; | |
550 break; | |
551 case 112: | |
552 str_details2 = " unrecognized_name"; | |
553 break; | |
554 case 113: | |
555 str_details2 = " bad_certificate_status_
response"; | |
556 break; | |
557 case 114: | |
558 str_details2 = " bad_certificate_hash_va
lue"; | |
559 break; | |
560 case 115: | |
561 str_details2 = " unknown_psk_identity"; | |
562 break; | |
563 } | |
564 } | |
565 } | |
566 | |
567 if (content_type == 22) /* Handshake */ | |
568 { | |
569 str_details1 = "???"; | |
570 | |
571 if (len > 0) | |
572 { | |
573 switch (((const unsigned char*)buf)[0]) | |
574 { | |
575 case 0: | |
576 str_details1 = ", HelloRequest"; | |
577 break; | |
578 case 1: | |
579 str_details1 = ", ClientHello"; | |
580 break; | |
581 case 2: | |
582 str_details1 = ", ServerHello"; | |
583 break; | |
584 case 3: | |
585 str_details1 = ", HelloVerifyRequest"; | |
586 break; | |
587 case 11: | |
588 str_details1 = ", Certificate"; | |
589 break; | |
590 case 12: | |
591 str_details1 = ", ServerKeyExchange"; | |
592 break; | |
593 case 13: | |
594 str_details1 = ", CertificateRequest"; | |
595 break; | |
596 case 14: | |
597 str_details1 = ", ServerHelloDone"; | |
598 break; | |
599 case 15: | |
600 str_details1 = ", CertificateVerify"; | |
601 break; | |
602 case 16: | |
603 str_details1 = ", ClientKeyExchange"; | |
604 break; | |
605 case 20: | |
606 str_details1 = ", Finished"; | |
607 break; | |
608 } | |
609 } | |
610 } | |
611 | |
612 #ifndef OPENSSL_NO_HEARTBEATS | |
613 if (content_type == 24) /* Heartbeat */ | |
614 { | |
615 str_details1 = ", Heartbeat"; | |
616 | |
617 if (len > 0) | |
618 { | |
619 switch (((const unsigned char*)buf)[0]) | |
620 { | |
621 case 1: | |
622 str_details1 = ", HeartbeatRequest"; | |
623 break; | |
624 case 2: | |
625 str_details1 = ", HeartbeatResponse"; | |
626 break; | |
627 } | |
628 } | |
629 } | |
630 #endif | |
631 } | |
632 | |
633 BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version
, str_content_type, (unsigned long)len, str_details1, str_details2); | |
634 | |
635 if (len > 0) | |
636 { | |
637 size_t num, i; | |
638 | |
639 BIO_printf(bio, " "); | |
640 num = len; | |
641 #if 0 | |
642 if (num > 16) | |
643 num = 16; | |
644 #endif | |
645 for (i = 0; i < num; i++) | |
646 { | |
647 if (i % 16 == 0 && i > 0) | |
648 BIO_printf(bio, "\n "); | |
649 BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i])
; | |
650 } | |
651 if (i < len) | |
652 BIO_printf(bio, " ..."); | |
653 BIO_printf(bio, "\n"); | |
654 } | |
655 (void)BIO_flush(bio); | |
656 } | |
657 | |
658 void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type, | |
659 unsigned char *data, int len, | |
660 void *arg) | |
661 { | |
662 BIO *bio = arg; | |
663 char *extname; | |
664 | |
665 switch(type) | |
666 { | |
667 case TLSEXT_TYPE_server_name: | |
668 extname = "server name"; | |
669 break; | |
670 | |
671 case TLSEXT_TYPE_max_fragment_length: | |
672 extname = "max fragment length"; | |
673 break; | |
674 | |
675 case TLSEXT_TYPE_client_certificate_url: | |
676 extname = "client certificate URL"; | |
677 break; | |
678 | |
679 case TLSEXT_TYPE_trusted_ca_keys: | |
680 extname = "trusted CA keys"; | |
681 break; | |
682 | |
683 case TLSEXT_TYPE_truncated_hmac: | |
684 extname = "truncated HMAC"; | |
685 break; | |
686 | |
687 case TLSEXT_TYPE_status_request: | |
688 extname = "status request"; | |
689 break; | |
690 | |
691 case TLSEXT_TYPE_user_mapping: | |
692 extname = "user mapping"; | |
693 break; | |
694 | |
695 case TLSEXT_TYPE_client_authz: | |
696 extname = "client authz"; | |
697 break; | |
698 | |
699 case TLSEXT_TYPE_server_authz: | |
700 extname = "server authz"; | |
701 break; | |
702 | |
703 case TLSEXT_TYPE_cert_type: | |
704 extname = "cert type"; | |
705 break; | |
706 | |
707 case TLSEXT_TYPE_elliptic_curves: | |
708 extname = "elliptic curves"; | |
709 break; | |
710 | |
711 case TLSEXT_TYPE_ec_point_formats: | |
712 extname = "EC point formats"; | |
713 break; | |
714 | |
715 case TLSEXT_TYPE_srp: | |
716 extname = "SRP"; | |
717 break; | |
718 | |
719 case TLSEXT_TYPE_signature_algorithms: | |
720 extname = "signature algorithms"; | |
721 break; | |
722 | |
723 case TLSEXT_TYPE_use_srtp: | |
724 extname = "use SRTP"; | |
725 break; | |
726 | |
727 case TLSEXT_TYPE_heartbeat: | |
728 extname = "heartbeat"; | |
729 break; | |
730 | |
731 case TLSEXT_TYPE_session_ticket: | |
732 extname = "session ticket"; | |
733 break; | |
734 | |
735 case TLSEXT_TYPE_renegotiate: | |
736 extname = "renegotiation info"; | |
737 break; | |
738 | |
739 #ifdef TLSEXT_TYPE_opaque_prf_input | |
740 case TLSEXT_TYPE_opaque_prf_input: | |
741 extname = "opaque PRF input"; | |
742 break; | |
743 #endif | |
744 #ifdef TLSEXT_TYPE_next_proto_neg | |
745 case TLSEXT_TYPE_next_proto_neg: | |
746 extname = "next protocol"; | |
747 break; | |
748 #endif | |
749 | |
750 default: | |
751 extname = "unknown"; | |
752 break; | |
753 | |
754 } | |
755 | |
756 BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n", | |
757 client_server ? "server": "client", | |
758 extname, type, len); | |
759 BIO_dump(bio, (char *)data, len); | |
760 (void)BIO_flush(bio); | |
761 } | |
762 | |
763 int MS_CALLBACK generate_cookie_callback(SSL *ssl, unsigned char *cookie, unsign
ed int *cookie_len) | |
764 { | |
765 unsigned char *buffer, result[EVP_MAX_MD_SIZE]; | |
766 unsigned int length, resultlength; | |
767 union { | |
768 struct sockaddr sa; | |
769 struct sockaddr_in s4; | |
770 #if OPENSSL_USE_IPV6 | |
771 struct sockaddr_in6 s6; | |
772 #endif | |
773 } peer; | |
774 | |
775 /* Initialize a random secret */ | |
776 if (!cookie_initialized) | |
777 { | |
778 if (!RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH)) | |
779 { | |
780 BIO_printf(bio_err,"error setting random cookie secret\n
"); | |
781 return 0; | |
782 } | |
783 cookie_initialized = 1; | |
784 } | |
785 | |
786 /* Read peer information */ | |
787 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer); | |
788 | |
789 /* Create buffer with peer's address and port */ | |
790 length = 0; | |
791 switch (peer.sa.sa_family) | |
792 { | |
793 case AF_INET: | |
794 length += sizeof(struct in_addr); | |
795 length += sizeof(peer.s4.sin_port); | |
796 break; | |
797 #if OPENSSL_USE_IPV6 | |
798 case AF_INET6: | |
799 length += sizeof(struct in6_addr); | |
800 length += sizeof(peer.s6.sin6_port); | |
801 break; | |
802 #endif | |
803 default: | |
804 OPENSSL_assert(0); | |
805 break; | |
806 } | |
807 buffer = OPENSSL_malloc(length); | |
808 | |
809 if (buffer == NULL) | |
810 { | |
811 BIO_printf(bio_err,"out of memory\n"); | |
812 return 0; | |
813 } | |
814 | |
815 switch (peer.sa.sa_family) | |
816 { | |
817 case AF_INET: | |
818 memcpy(buffer, | |
819 &peer.s4.sin_port, | |
820 sizeof(peer.s4.sin_port)); | |
821 memcpy(buffer + sizeof(peer.s4.sin_port), | |
822 &peer.s4.sin_addr, | |
823 sizeof(struct in_addr)); | |
824 break; | |
825 #if OPENSSL_USE_IPV6 | |
826 case AF_INET6: | |
827 memcpy(buffer, | |
828 &peer.s6.sin6_port, | |
829 sizeof(peer.s6.sin6_port)); | |
830 memcpy(buffer + sizeof(peer.s6.sin6_port), | |
831 &peer.s6.sin6_addr, | |
832 sizeof(struct in6_addr)); | |
833 break; | |
834 #endif | |
835 default: | |
836 OPENSSL_assert(0); | |
837 break; | |
838 } | |
839 | |
840 /* Calculate HMAC of buffer using the secret */ | |
841 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, | |
842 buffer, length, result, &resultlength); | |
843 OPENSSL_free(buffer); | |
844 | |
845 memcpy(cookie, result, resultlength); | |
846 *cookie_len = resultlength; | |
847 | |
848 return 1; | |
849 } | |
850 | |
851 int MS_CALLBACK verify_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned
int cookie_len) | |
852 { | |
853 unsigned char *buffer, result[EVP_MAX_MD_SIZE]; | |
854 unsigned int length, resultlength; | |
855 union { | |
856 struct sockaddr sa; | |
857 struct sockaddr_in s4; | |
858 #if OPENSSL_USE_IPV6 | |
859 struct sockaddr_in6 s6; | |
860 #endif | |
861 } peer; | |
862 | |
863 /* If secret isn't initialized yet, the cookie can't be valid */ | |
864 if (!cookie_initialized) | |
865 return 0; | |
866 | |
867 /* Read peer information */ | |
868 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer); | |
869 | |
870 /* Create buffer with peer's address and port */ | |
871 length = 0; | |
872 switch (peer.sa.sa_family) | |
873 { | |
874 case AF_INET: | |
875 length += sizeof(struct in_addr); | |
876 length += sizeof(peer.s4.sin_port); | |
877 break; | |
878 #if OPENSSL_USE_IPV6 | |
879 case AF_INET6: | |
880 length += sizeof(struct in6_addr); | |
881 length += sizeof(peer.s6.sin6_port); | |
882 break; | |
883 #endif | |
884 default: | |
885 OPENSSL_assert(0); | |
886 break; | |
887 } | |
888 buffer = OPENSSL_malloc(length); | |
889 | |
890 if (buffer == NULL) | |
891 { | |
892 BIO_printf(bio_err,"out of memory\n"); | |
893 return 0; | |
894 } | |
895 | |
896 switch (peer.sa.sa_family) | |
897 { | |
898 case AF_INET: | |
899 memcpy(buffer, | |
900 &peer.s4.sin_port, | |
901 sizeof(peer.s4.sin_port)); | |
902 memcpy(buffer + sizeof(peer.s4.sin_port), | |
903 &peer.s4.sin_addr, | |
904 sizeof(struct in_addr)); | |
905 break; | |
906 #if OPENSSL_USE_IPV6 | |
907 case AF_INET6: | |
908 memcpy(buffer, | |
909 &peer.s6.sin6_port, | |
910 sizeof(peer.s6.sin6_port)); | |
911 memcpy(buffer + sizeof(peer.s6.sin6_port), | |
912 &peer.s6.sin6_addr, | |
913 sizeof(struct in6_addr)); | |
914 break; | |
915 #endif | |
916 default: | |
917 OPENSSL_assert(0); | |
918 break; | |
919 } | |
920 | |
921 /* Calculate HMAC of buffer using the secret */ | |
922 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, | |
923 buffer, length, result, &resultlength); | |
924 OPENSSL_free(buffer); | |
925 | |
926 if (cookie_len == resultlength && memcmp(result, cookie, resultlength) =
= 0) | |
927 return 1; | |
928 | |
929 return 0; | |
930 } | |
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