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sha512-x86_64.pl: add SIMD code paths.
[thirdparty/openssl.git] / apps / s_cb.c
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863fe2ec 1/* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE		 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 */
a661b653 58/* ====================================================================
241520e6 59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
a661b653
BM		 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 */
d02b48c6
RE		 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
ec577822 119#include <openssl/err.h>
07a9d1a2 120#include <openssl/rand.h>
ec577822
BM		 121#include <openssl/x509.h>
122#include <openssl/ssl.h>
d02b48c6
RE		 123#include "s_apps.h"
124
07a9d1a2
DSH		 125#define COOKIE_SECRET_LENGTH 16
126
d02b48c6
RE		 127int verify_depth=0;
128int verify_error=X509_V_OK;
5d20c4fb 129int verify_return_error=0;
07a9d1a2
DSH		 130unsigned char cookie_secret[COOKIE_SECRET_LENGTH];
131int cookie_initialized=0;
d02b48c6 132
6b691a5c 133int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
d02b48c6 134 {
d02b48c6
RE		 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
17716680
DSH		 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");
d02b48c6
RE		 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 {
5d20c4fb
DSH		 157 if (!verify_return_error)
158 ok=1;
d02b48c6
RE		 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 }
17716680 167 switch (err)
d02b48c6
RE		 168 {
169 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
17716680
DSH		 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");
d02b48c6
RE		 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=");
17716680 178 ASN1_TIME_print(bio_err,X509_get_notBefore(err_cert));
d02b48c6
RE		 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=");
17716680 184 ASN1_TIME_print(bio_err,X509_get_notAfter(err_cert));
d02b48c6
RE		 185 BIO_printf(bio_err,"\n");
186 break;
17716680
DSH		 187 case X509_V_ERR_NO_EXPLICIT_POLICY:
188 policies_print(bio_err, ctx);
189 break;
d02b48c6 190 }
17716680
DSH		 191 if (err == X509_V_OK && ok == 2)
192 policies_print(bio_err, ctx);
193
d02b48c6
RE		 194 BIO_printf(bio_err,"verify return:%d\n",ok);
195 return(ok);
196 }
197
6b691a5c 198int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
d02b48c6
RE		 199 {
200 if (cert_file != NULL)
201 {
dfeab068 202 /*
d02b48c6
RE		 203 SSL *ssl;
204 X509 *x509;
dfeab068 205 */
d02b48c6
RE		 206
207 if (SSL_CTX_use_certificate_file(ctx,cert_file,
208 SSL_FILETYPE_PEM) <= 0)
209 {
58964a49 210 BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
d02b48c6
RE		 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 {
58964a49 218 BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
d02b48c6
RE		 219 ERR_print_errors(bio_err);
220 return(0);
221 }
222
dfeab068
RE		 223 /*
224 In theory this is no longer needed
d02b48c6
RE		 225 ssl=SSL_new(ctx);
226 x509=SSL_get_certificate(ssl);
227
a8236c8c
DSH		 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 }
d02b48c6 235 SSL_free(ssl);
dfeab068 236 */
d02b48c6
RE		 237
238 /* If we are using DSA, we can copy the parameters from
239 * the private key */
a9e1c50b
BL		 240
241
d02b48c6
RE		 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 certificate public key\n");
247 return(0);
248 }
249 }
250 return(1);
251 }
252
fc6fc7ff 253int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
a9e1c50b 254 STACK_OF(X509) *chain)
826a42a0 255 {
a9e1c50b 256 if (cert == NULL)
abbc186b 257 return 1;
826a42a0
DSH		 258 if (SSL_CTX_use_certificate(ctx,cert) <= 0)
259 {
260 BIO_printf(bio_err,"error setting certificate\n");
261 ERR_print_errors(bio_err);
262 return 0;
263 }
826a42a0 264
a9e1c50b
BL		 265 if (SSL_CTX_use_PrivateKey(ctx,key) <= 0)
266 {
267 BIO_printf(bio_err,"error setting private key\n");
268 ERR_print_errors(bio_err);
269 return 0;
270 }
271
272 /* Now we know that a key and cert have been set against
273 * the SSL context */
826a42a0
DSH		 274 if (!SSL_CTX_check_private_key(ctx))
275 {
276 BIO_printf(bio_err,"Private key does not match the certificate public key\n");
277 return 0;
278 }
fc6fc7ff
DSH		 279 if (chain && !SSL_CTX_set1_chain(ctx, chain))
280 {
281 BIO_printf(bio_err,"error setting certificate chain\n");
282 ERR_print_errors(bio_err);
283 return 0;
284 }
826a42a0
DSH		 285 return 1;
286 }
287
e7f8ff43
DSH		 288int ssl_print_sigalgs(BIO *out, SSL *s)
289 {
290 int i, nsig;
291 nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
292 if (nsig == 0)
293 return 1;
294
295 BIO_puts(out, "Signature Algorithms: ");
296 for (i = 0; i < nsig; i++)
297 {
298 int hash_nid, sign_nid;
299 unsigned char rhash, rsign;
300 const char *sstr = NULL;
301 SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
302 &rsign, &rhash);
303 if (i)
304 BIO_puts(out, ":");
305 if (sign_nid == EVP_PKEY_RSA)
306 sstr = "RSA";
307 else if(sign_nid == EVP_PKEY_DSA)
308 sstr = "DSA";
309 else if(sign_nid == EVP_PKEY_EC)
310 sstr = "ECDSA";
311 if (sstr)
312 BIO_printf(out,"%s+", sstr);
313 else
314 BIO_printf(out,"0x%02X+", (int)rsign);
315 if (hash_nid != NID_undef)
316 BIO_printf(out, "%s", OBJ_nid2sn(hash_nid));
317 else
318 BIO_printf(out,"0x%02X", (int)rhash);
319 }
320 BIO_puts(out, "\n");
321 return 1;
322 }
323
324int ssl_print_curves(BIO *out, SSL *s)
325 {
d0595f17
DSH		 326 int i, ncurves, *curves, nid;
327 const char *cname;
328 ncurves = SSL_get1_curves(s, NULL);
e7f8ff43
DSH		 329 if (ncurves <= 0)
330 return 1;
331 curves = OPENSSL_malloc(ncurves * sizeof(int));
d0595f17 332 SSL_get1_curves(s, curves);
e7f8ff43
DSH		 333
334 BIO_puts(out, "Supported Elliptic Curves: ");
335 for (i = 0; i < ncurves; i++)
336 {
e7f8ff43
DSH		 337 if (i)
338 BIO_puts(out, ":");
339 nid = curves[i];
340 /* If unrecognised print out hex version */
341 if (nid & TLSEXT_nid_unknown)
342 BIO_printf(out, "0x%04X", nid & 0xFFFF);
343 else
344 {
345 /* Use NIST name for curve if it exists */
346 cname = EC_curve_nid2nist(nid);
347 if (!cname)
348 cname = OBJ_nid2sn(nid);
349 BIO_printf(out, "%s", cname);
350 }
351 }
d0595f17 352 BIO_puts(out, "\nShared Elliptic curves: ");
e7f8ff43 353 OPENSSL_free(curves);
d0595f17
DSH		 354 ncurves = SSL_get_shared_curve(s, -1);
355 for (i = 0; i < ncurves; i++)
356 {
357 if (i)
358 BIO_puts(out, ":");
359 nid = SSL_get_shared_curve(s, i);
360 cname = EC_curve_nid2nist(nid);
361 if (!cname)
362 cname = OBJ_nid2sn(nid);
363 BIO_printf(out, "%s", cname);
364 }
a4352630
DSH		 365 if (ncurves == 0)
366 BIO_puts(out, "NONE");
d0595f17 367 BIO_puts(out, "\n");
e7f8ff43
DSH		 368 return 1;
369 }
370
371
25495640 372long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
774b2fe7 373 int argi, long argl, long ret)
d02b48c6
RE		 374 {
375 BIO *out;
376
377 out=(BIO *)BIO_get_callback_arg(bio);
378 if (out == NULL) return(ret);
379
380 if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
381 {
70d71f61
DSH		 382 BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
383 (void *)bio,argp,(unsigned long)argi,ret,ret);
d02b48c6
RE		 384 BIO_dump(out,argp,(int)ret);
385 return(ret);
386 }
387 else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
388 {
70d71f61
DSH		 389 BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
390 (void *)bio,argp,(unsigned long)argi,ret,ret);
d02b48c6
RE		 391 BIO_dump(out,argp,(int)ret);
392 }
393 return(ret);
394 }
395
45d87a1f 396void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
d02b48c6 397 {
7d727231 398 const char *str;
d02b48c6
RE		 399 int w;
400
401 w=where& ~SSL_ST_MASK;
402
403 if (w & SSL_ST_CONNECT) str="SSL_connect";
404 else if (w & SSL_ST_ACCEPT) str="SSL_accept";
405 else str="undefined";
406
407 if (where & SSL_CB_LOOP)
408 {
409 BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
410 }
411 else if (where & SSL_CB_ALERT)
412 {
413 str=(where & SSL_CB_READ)?"read":"write";
414 BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
415 str,
416 SSL_alert_type_string_long(ret),
417 SSL_alert_desc_string_long(ret));
418 }
419 else if (where & SSL_CB_EXIT)
420 {
421 if (ret == 0)
422 BIO_printf(bio_err,"%s:failed in %s\n",
423 str,SSL_state_string_long(s));
424 else if (ret < 0)
425 {
426 BIO_printf(bio_err,"%s:error in %s\n",
427 str,SSL_state_string_long(s));
428 }
429 }
430 }
431
a661b653
BM		 432
433void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
434 {
435 BIO *bio = arg;
436 const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
437
438 str_write_p = write_p ? ">>>" : "<<<";
439
440 switch (version)
441 {
442 case SSL2_VERSION:
443 str_version = "SSL 2.0";
444 break;
445 case SSL3_VERSION:
446 str_version = "SSL 3.0 ";
447 break;
448 case TLS1_VERSION:
449 str_version = "TLS 1.0 ";
450 break;
48435b20
DSH		 451 case TLS1_1_VERSION:
452 str_version = "TLS 1.1 ";
453 break;
cbc0b0ec
AP		 454 case TLS1_2_VERSION:
455 str_version = "TLS 1.2 ";
456 break;
bdfa4ff9
DSH		 457 case DTLS1_VERSION:
458 str_version = "DTLS 1.0 ";
459 break;
460 case DTLS1_BAD_VER:
461 str_version = "DTLS 1.0 (bad) ";
462 break;
a661b653
BM		 463 default:
464 str_version = "???";
465 }
466
29e0c30c
BM		 467 if (version == SSL2_VERSION)
468 {
469 str_details1 = "???";
470
471 if (len > 0)
472 {
7d727231 473 switch (((const unsigned char*)buf)[0])
29e0c30c
BM		 474 {
475 case 0:
476 str_details1 = ", ERROR:";
477 str_details2 = " ???";
478 if (len >= 3)
479 {
7d727231 480 unsigned err = (((const unsigned char*)buf)[1]<<8) + ((const unsigned char*)buf)[2];
29e0c30c
BM		 481
482 switch (err)
483 {
484 case 0x0001:
485 str_details2 = " NO-CIPHER-ERROR";
486 break;
487 case 0x0002:
488 str_details2 = " NO-CERTIFICATE-ERROR";
489 break;
490 case 0x0004:
491 str_details2 = " BAD-CERTIFICATE-ERROR";
492 break;
493 case 0x0006:
494 str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
495 break;
496 }
497 }
498
499 break;
500 case 1:
501 str_details1 = ", CLIENT-HELLO";
502 break;
503 case 2:
504 str_details1 = ", CLIENT-MASTER-KEY";
505 break;
506 case 3:
507 str_details1 = ", CLIENT-FINISHED";
508 break;
509 case 4:
510 str_details1 = ", SERVER-HELLO";
511 break;
512 case 5:
513 str_details1 = ", SERVER-VERIFY";
514 break;
515 case 6:
516 str_details1 = ", SERVER-FINISHED";
517 break;
518 case 7:
519 str_details1 = ", REQUEST-CERTIFICATE";
520 break;
521 case 8:
522 str_details1 = ", CLIENT-CERTIFICATE";
523 break;
524 }
525 }
526 }
527
bdfa4ff9
DSH		 528 if (version == SSL3_VERSION ||
529 version == TLS1_VERSION ||
530 version == DTLS1_VERSION ||
531 version == DTLS1_BAD_VER)
a661b653
BM		 532 {
533 switch (content_type)
534 {
535 case 20:
536 str_content_type = "ChangeCipherSpec";
537 break;
538 case 21:
539 str_content_type = "Alert";
540 break;
541 case 22:
542 str_content_type = "Handshake";
543 break;
544 }
545
546 if (content_type == 21) /* Alert */
547 {
548 str_details1 = ", ???";
549
550 if (len == 2)
551 {
7d727231 552 switch (((const unsigned char*)buf)[0])
a661b653
BM		 553 {
554 case 1:
555 str_details1 = ", warning";
556 break;
557 case 2:
558 str_details1 = ", fatal";
559 break;
560 }
561
562 str_details2 = " ???";
7d727231 563 switch (((const unsigned char*)buf)[1])
a661b653
BM		 564 {
565 case 0:
566 str_details2 = " close_notify";
567 break;
568 case 10:
569 str_details2 = " unexpected_message";
570 break;
571 case 20:
572 str_details2 = " bad_record_mac";
573 break;
574 case 21:
575 str_details2 = " decryption_failed";
576 break;
577 case 22:
578 str_details2 = " record_overflow";
579 break;
580 case 30:
581 str_details2 = " decompression_failure";
582 break;
583 case 40:
584 str_details2 = " handshake_failure";
585 break;
586 case 42:
587 str_details2 = " bad_certificate";
588 break;
589 case 43:
590 str_details2 = " unsupported_certificate";
591 break;
592 case 44:
593 str_details2 = " certificate_revoked";
594 break;
595 case 45:
596 str_details2 = " certificate_expired";
597 break;
598 case 46:
599 str_details2 = " certificate_unknown";
600 break;
601 case 47:
602 str_details2 = " illegal_parameter";
603 break;
604 case 48:
605 str_details2 = " unknown_ca";
606 break;
607 case 49:
608 str_details2 = " access_denied";
609 break;
610 case 50:
611 str_details2 = " decode_error";
612 break;
613 case 51:
614 str_details2 = " decrypt_error";
615 break;
616 case 60:
617 str_details2 = " export_restriction";
618 break;
619 case 70:
620 str_details2 = " protocol_version";
621 break;
622 case 71:
623 str_details2 = " insufficient_security";
624 break;
625 case 80:
626 str_details2 = " internal_error";
627 break;
628 case 90:
629 str_details2 = " user_canceled";
630 break;
631 case 100:
632 str_details2 = " no_renegotiation";
633 break;
241520e6
BM		 634 case 110:
635 str_details2 = " unsupported_extension";
636 break;
637 case 111:
638 str_details2 = " certificate_unobtainable";
639 break;
640 case 112:
641 str_details2 = " unrecognized_name";
642 break;
643 case 113:
644 str_details2 = " bad_certificate_status_response";
645 break;
646 case 114:
647 str_details2 = " bad_certificate_hash_value";
648 break;
0c58d22a
DSH		 649 case 115:
650 str_details2 = " unknown_psk_identity";
651 break;
a661b653
BM		 652 }
653 }
654 }
655
656 if (content_type == 22) /* Handshake */
657 {
658 str_details1 = "???";
659
660 if (len > 0)
661 {
7d727231 662 switch (((const unsigned char*)buf)[0])
a661b653
BM		 663 {
664 case 0:
665 str_details1 = ", HelloRequest";
666 break;
667 case 1:
668 str_details1 = ", ClientHello";
669 break;
670 case 2:
671 str_details1 = ", ServerHello";
672 break;
bdfa4ff9
DSH		 673 case 3:
674 str_details1 = ", HelloVerifyRequest";
675 break;
a661b653
BM		 676 case 11:
677 str_details1 = ", Certificate";
678 break;
679 case 12:
680 str_details1 = ", ServerKeyExchange";
681 break;
682 case 13:
683 str_details1 = ", CertificateRequest";
684 break;
685 case 14:
686 str_details1 = ", ServerHelloDone";
687 break;
688 case 15:
689 str_details1 = ", CertificateVerify";
690 break;
691 case 16:
692 str_details1 = ", ClientKeyExchange";
693 break;
694 case 20:
695 str_details1 = ", Finished";
696 break;
697 }
698 }
699 }
4817504d
DSH		 700
701#ifndef OPENSSL_NO_HEARTBEATS
702 if (content_type == 24) /* Heartbeat */
703 {
704 str_details1 = ", Heartbeat";
705
706 if (len > 0)
707 {
708 switch (((const unsigned char*)buf)[0])
709 {
710 case 1:
711 str_details1 = ", HeartbeatRequest";
712 break;
713 case 2:
714 str_details1 = ", HeartbeatResponse";
715 break;
716 }
717 }
718 }
719#endif
a661b653
BM		 720 }
721
722 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);
723
724 if (len > 0)
725 {
726 size_t num, i;
727
728 BIO_printf(bio, " ");
729 num = len;
730#if 0
731 if (num > 16)
732 num = 16;
733#endif
734 for (i = 0; i < num; i++)
735 {
736 if (i % 16 == 0 && i > 0)
737 BIO_printf(bio, "\n ");
7d727231 738 BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
a661b653
BM		 739 }
740 if (i < len)
741 BIO_printf(bio, " ...");
742 BIO_printf(bio, "\n");
743 }
710069c1 744 (void)BIO_flush(bio);
a661b653 745 }
6434abbf
DSH		 746
747void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
748 unsigned char *data, int len,
749 void *arg)
750 {
751 BIO *bio = arg;
752 char *extname;
753
754 switch(type)
755 {
756 case TLSEXT_TYPE_server_name:
757 extname = "server name";
758 break;
759
760 case TLSEXT_TYPE_max_fragment_length:
761 extname = "max fragment length";
762 break;
763
764 case TLSEXT_TYPE_client_certificate_url:
765 extname = "client certificate URL";
766 break;
767
768 case TLSEXT_TYPE_trusted_ca_keys:
769 extname = "trusted CA keys";
770 break;
771
772 case TLSEXT_TYPE_truncated_hmac:
773 extname = "truncated HMAC";
774 break;
775
776 case TLSEXT_TYPE_status_request:
777 extname = "status request";
778 break;
779
15a40af2
DSH		 780 case TLSEXT_TYPE_user_mapping:
781 extname = "user mapping";
782 break;
783
784 case TLSEXT_TYPE_client_authz:
785 extname = "client authz";
786 break;
787
788 case TLSEXT_TYPE_server_authz:
789 extname = "server authz";
790 break;
791
792 case TLSEXT_TYPE_cert_type:
793 extname = "cert type";
794 break;
795
6434abbf
DSH		 796 case TLSEXT_TYPE_elliptic_curves:
797 extname = "elliptic curves";
798 break;
799
800 case TLSEXT_TYPE_ec_point_formats:
801 extname = "EC point formats";
802 break;
803
15a40af2
DSH		 804 case TLSEXT_TYPE_srp:
805 extname = "SRP";
860c3dd1
DSH		 806 break;
807
7409d7ad
DSH		 808 case TLSEXT_TYPE_signature_algorithms:
809 extname = "signature algorithms";
810 break;
811
15a40af2
DSH		 812 case TLSEXT_TYPE_use_srtp:
813 extname = "use SRTP";
814 break;
815
816 case TLSEXT_TYPE_heartbeat:
817 extname = "heartbeat";
818 break;
819
820 case TLSEXT_TYPE_session_ticket:
821 extname = "session ticket";
822 break;
823
824 case TLSEXT_TYPE_renegotiate:
825 extname = "renegotiation info";
826 break;
827
761772d7
BM		 828#ifdef TLSEXT_TYPE_opaque_prf_input
829 case TLSEXT_TYPE_opaque_prf_input:
830 extname = "opaque PRF input";
831 break;
832#endif
15a40af2
DSH		 833#ifdef TLSEXT_TYPE_next_proto_neg
834 case TLSEXT_TYPE_next_proto_neg:
835 extname = "next protocol";
836 break;
837#endif
6434abbf
DSH		 838
839 default:
840 extname = "unknown";
841 break;
842
843 }
844
845 BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
846 client_server ? "server": "client",
847 extname, type, len);
710069c1 848 BIO_dump(bio, (char *)data, len);
367eb1f1 849 (void)BIO_flush(bio);
6434abbf 850 }
07a9d1a2
DSH		 851
852int MS_CALLBACK generate_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len)
853 {
854 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
855 unsigned int length, resultlength;
636b6b45 856 union {
cba9ffc3 857 struct sockaddr sa;
636b6b45 858 struct sockaddr_in s4;
cba9ffc3
AP		 859#if OPENSSL_USE_IPV6
860 struct sockaddr_in6 s6;
636b6b45 861#endif
cba9ffc3 862 } peer;
636b6b45 863
07a9d1a2
DSH		 864 /* Initialize a random secret */
865 if (!cookie_initialized)
866 {
867 if (!RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH))
868 {
869 BIO_printf(bio_err,"error setting random cookie secret\n");
870 return 0;
871 }
872 cookie_initialized = 1;
873 }
874
875 /* Read peer information */
876 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
877
878 /* Create buffer with peer's address and port */
636b6b45 879 length = 0;
cba9ffc3 880 switch (peer.sa.sa_family)
636b6b45
DSH		 881 {
882 case AF_INET:
883 length += sizeof(struct in_addr);
be456366 884 length += sizeof(peer.s4.sin_port);
636b6b45 885 break;
cba9ffc3 886#if OPENSSL_USE_IPV6
636b6b45
DSH		 887 case AF_INET6:
888 length += sizeof(struct in6_addr);
be456366 889 length += sizeof(peer.s6.sin6_port);
636b6b45 890 break;
cba9ffc3 891#endif
636b6b45
DSH		 892 default:
893 OPENSSL_assert(0);
894 break;
895 }
07a9d1a2
DSH		 896 buffer = OPENSSL_malloc(length);
897
898 if (buffer == NULL)
899 {
900 BIO_printf(bio_err,"out of memory\n");
901 return 0;
902 }
636b6b45 903
cba9ffc3 904 switch (peer.sa.sa_family)
636b6b45
DSH		 905 {
906 case AF_INET:
907 memcpy(buffer,
908 &peer.s4.sin_port,
be456366
DSH		 909 sizeof(peer.s4.sin_port));
910 memcpy(buffer + sizeof(peer.s4.sin_port),
636b6b45
DSH		 911 &peer.s4.sin_addr,
912 sizeof(struct in_addr));
913 break;
cba9ffc3 914#if OPENSSL_USE_IPV6
636b6b45
DSH		 915 case AF_INET6:
916 memcpy(buffer,
917 &peer.s6.sin6_port,
be456366
DSH		 918 sizeof(peer.s6.sin6_port));
919 memcpy(buffer + sizeof(peer.s6.sin6_port),
636b6b45
DSH		 920 &peer.s6.sin6_addr,
921 sizeof(struct in6_addr));
922 break;
cba9ffc3 923#endif
636b6b45
DSH		 924 default:
925 OPENSSL_assert(0);
926 break;
927 }
07a9d1a2
DSH		 928
929 /* Calculate HMAC of buffer using the secret */
930 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
931 buffer, length, result, &resultlength);
932 OPENSSL_free(buffer);
933
934 memcpy(cookie, result, resultlength);
935 *cookie_len = resultlength;
936
937 return 1;
938 }
939
940int MS_CALLBACK verify_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int cookie_len)
941 {
942 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
943 unsigned int length, resultlength;
636b6b45 944 union {
cba9ffc3 945 struct sockaddr sa;
636b6b45 946 struct sockaddr_in s4;
cba9ffc3
AP		 947#if OPENSSL_USE_IPV6
948 struct sockaddr_in6 s6;
636b6b45 949#endif
cba9ffc3 950 } peer;
636b6b45 951
07a9d1a2
DSH		 952 /* If secret isn't initialized yet, the cookie can't be valid */
953 if (!cookie_initialized)
954 return 0;
955
956 /* Read peer information */
957 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
958
959 /* Create buffer with peer's address and port */
636b6b45 960 length = 0;
cba9ffc3 961 switch (peer.sa.sa_family)
636b6b45
DSH		 962 {
963 case AF_INET:
964 length += sizeof(struct in_addr);
be456366 965 length += sizeof(peer.s4.sin_port);
636b6b45 966 break;
cba9ffc3 967#if OPENSSL_USE_IPV6
636b6b45
DSH		 968 case AF_INET6:
969 length += sizeof(struct in6_addr);
be456366 970 length += sizeof(peer.s6.sin6_port);
636b6b45 971 break;
cba9ffc3 972#endif
636b6b45
DSH		 973 default:
974 OPENSSL_assert(0);
975 break;
976 }
07a9d1a2
DSH		 977 buffer = OPENSSL_malloc(length);
978
979 if (buffer == NULL)
980 {
981 BIO_printf(bio_err,"out of memory\n");
982 return 0;
983 }
636b6b45 984
cba9ffc3 985 switch (peer.sa.sa_family)
636b6b45
DSH		 986 {
987 case AF_INET:
988 memcpy(buffer,
989 &peer.s4.sin_port,
be456366
DSH		 990 sizeof(peer.s4.sin_port));
991 memcpy(buffer + sizeof(peer.s4.sin_port),
636b6b45
DSH		 992 &peer.s4.sin_addr,
993 sizeof(struct in_addr));
994 break;
cba9ffc3 995#if OPENSSL_USE_IPV6
636b6b45
DSH		 996 case AF_INET6:
997 memcpy(buffer,
998 &peer.s6.sin6_port,
be456366
DSH		 999 sizeof(peer.s6.sin6_port));
1000 memcpy(buffer + sizeof(peer.s6.sin6_port),
636b6b45
DSH		 1001 &peer.s6.sin6_addr,
1002 sizeof(struct in6_addr));
1003 break;
cba9ffc3 1004#endif
636b6b45
DSH		 1005 default:
1006 OPENSSL_assert(0);
1007 break;
1008 }
07a9d1a2
DSH		 1009
1010 /* Calculate HMAC of buffer using the secret */
1011 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1012 buffer, length, result, &resultlength);
1013 OPENSSL_free(buffer);
636b6b45 1014
07a9d1a2
DSH		 1015 if (cookie_len == resultlength && memcmp(result, cookie, resultlength) == 0)
1016 return 1;
1017
1018 return 0;
1019 }
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