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Updates to s_client and s_server to remove the constant 28 (for IPv4 header
[thirdparty/openssl.git] / apps / s_server.c
1 /* apps/s_server.c */
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 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
118 *
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121 * license.
122 *
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
126 *
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
130 *
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
135 *
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140 * OTHERWISE.
141 */
142
143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
144 * deprecated functions for openssl-internal code */
145 #ifdef OPENSSL_NO_DEPRECATED
146 #undef OPENSSL_NO_DEPRECATED
147 #endif
148
149 #include <assert.h>
150 #include <ctype.h>
151 #include <stdio.h>
152 #include <stdlib.h>
153 #include <string.h>
154
155 #include <openssl/e_os2.h>
156 #ifdef OPENSSL_NO_STDIO
157 #define APPS_WIN16
158 #endif
159
160 #if !defined(OPENSSL_SYS_NETWARE) /* conflicts with winsock2 stuff on netware */
161 #include <sys/types.h>
162 #endif
163
164 /* With IPv6, it looks like Digital has mixed up the proper order of
165 recursive header file inclusion, resulting in the compiler complaining
166 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
167 is needed to have fileno() declared correctly... So let's define u_int */
168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
169 #define __U_INT
170 typedef unsigned int u_int;
171 #endif
172
173 #include <openssl/lhash.h>
174 #include <openssl/bn.h>
175 #define USE_SOCKETS
176 #include "apps.h"
177 #include <openssl/err.h>
178 #include <openssl/pem.h>
179 #include <openssl/x509.h>
180 #include <openssl/ssl.h>
181 #include <openssl/rand.h>
182 #include <openssl/ocsp.h>
183 #ifndef OPENSSL_NO_DH
184 #include <openssl/dh.h>
185 #endif
186 #ifndef OPENSSL_NO_RSA
187 #include <openssl/rsa.h>
188 #endif
189 #ifndef OPENSSL_NO_SRP
190 #include <openssl/srp.h>
191 #endif
192 #include "s_apps.h"
193 #include "timeouts.h"
194
195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
197 #undef FIONBIO
198 #endif
199
200 #if defined(OPENSSL_SYS_BEOS_R5)
201 #include <fcntl.h>
202 #endif
203
204 #ifndef OPENSSL_NO_RSA
205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
206 #endif
207 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
208 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
209 static int www_body(char *hostname, int s, int stype, unsigned char *context);
210 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
211 static void close_accept_socket(void );
212 static void sv_usage(void);
213 static int init_ssl_connection(SSL *s);
214 static void print_stats(BIO *bp,SSL_CTX *ctx);
215 static int generate_session_id(const SSL *ssl, unsigned char *id,
216 unsigned int *id_len);
217 static void init_session_cache_ctx(SSL_CTX *sctx);
218 static void free_sessions(void);
219 #ifndef OPENSSL_NO_DH
220 static DH *load_dh_param(const char *dhfile);
221 #endif
222
223 #ifdef MONOLITH
224 static void s_server_init(void);
225 #endif
226
227 /* static int load_CA(SSL_CTX *ctx, char *file);*/
228
229 #undef BUFSIZZ
230 #define BUFSIZZ 16*1024
231 static int bufsize=BUFSIZZ;
232 static int accept_socket= -1;
233
234 #define TEST_CERT "server.pem"
235 #ifndef OPENSSL_NO_TLSEXT
236 #define TEST_CERT2 "server2.pem"
237 #endif
238 #undef PROG
239 #define PROG s_server_main
240
241 extern int verify_depth, verify_return_error, verify_quiet;
242
243 static int s_server_verify=SSL_VERIFY_NONE;
244 static int s_server_session_id_context = 1; /* anything will do */
245 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
246 #ifndef OPENSSL_NO_TLSEXT
247 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
248 #endif
249 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
250 #ifdef FIONBIO
251 static int s_nbio=0;
252 #endif
253 static int s_nbio_test=0;
254 int s_crlf=0;
255 static SSL_CTX *ctx=NULL;
256 #ifndef OPENSSL_NO_TLSEXT
257 static SSL_CTX *ctx2=NULL;
258 #endif
259 static int www=0;
260
261 static BIO *bio_s_out=NULL;
262 static BIO *bio_s_msg = NULL;
263 static int s_debug=0;
264 #ifndef OPENSSL_NO_TLSEXT
265 static int s_tlsextdebug=0;
266 static int s_tlsextstatus=0;
267 static int cert_status_cb(SSL *s, void *arg);
268 #endif
269 static int no_resume_ephemeral = 0;
270 static int s_msg=0;
271 static int s_quiet=0;
272 static int s_ign_eof=0;
273 static int s_brief=0;
274
275 static char *keymatexportlabel=NULL;
276 static int keymatexportlen=20;
277
278 static int hack=0;
279 #ifndef OPENSSL_NO_ENGINE
280 static char *engine_id=NULL;
281 #endif
282 static const char *session_id_prefix=NULL;
283
284 static int enable_timeouts = 0;
285 static long socket_mtu;
286 #ifndef OPENSSL_NO_DTLS1
287 static int cert_chain = 0;
288 #endif
289
290 #ifndef OPENSSL_NO_TLSEXT
291 static BIO *serverinfo_in = NULL;
292 static const char *s_serverinfo_file = NULL;
293
294 #endif
295
296 #ifndef OPENSSL_NO_PSK
297 static char *psk_identity="Client_identity";
298 char *psk_key=NULL; /* by default PSK is not used */
299
300 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
301 unsigned char *psk, unsigned int max_psk_len)
302 {
303 unsigned int psk_len = 0;
304 int ret;
305 BIGNUM *bn = NULL;
306
307 if (s_debug)
308 BIO_printf(bio_s_out,"psk_server_cb\n");
309 if (!identity)
310 {
311 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
312 goto out_err;
313 }
314 if (s_debug)
315 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
316 identity ? (int)strlen(identity) : 0, identity);
317
318 /* here we could lookup the given identity e.g. from a database */
319 if (strcmp(identity, psk_identity) != 0)
320 {
321 BIO_printf(bio_s_out, "PSK error: client identity not found"
322 " (got '%s' expected '%s')\n", identity,
323 psk_identity);
324 goto out_err;
325 }
326 if (s_debug)
327 BIO_printf(bio_s_out, "PSK client identity found\n");
328
329 /* convert the PSK key to binary */
330 ret = BN_hex2bn(&bn, psk_key);
331 if (!ret)
332 {
333 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
334 if (bn)
335 BN_free(bn);
336 return 0;
337 }
338 if (BN_num_bytes(bn) > (int)max_psk_len)
339 {
340 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
341 max_psk_len, BN_num_bytes(bn));
342 BN_free(bn);
343 return 0;
344 }
345
346 ret = BN_bn2bin(bn, psk);
347 BN_free(bn);
348
349 if (ret < 0)
350 goto out_err;
351 psk_len = (unsigned int)ret;
352
353 if (s_debug)
354 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
355 return psk_len;
356 out_err:
357 if (s_debug)
358 BIO_printf(bio_err, "Error in PSK server callback\n");
359 return 0;
360 }
361 #endif
362
363 #ifndef OPENSSL_NO_SRP
364 /* This is a context that we pass to callbacks */
365 typedef struct srpsrvparm_st
366 {
367 char *login;
368 SRP_VBASE *vb;
369 SRP_user_pwd *user;
370 } srpsrvparm;
371
372 /* This callback pretends to require some asynchronous logic in order to obtain
373 a verifier. When the callback is called for a new connection we return
374 with a negative value. This will provoke the accept etc to return with
375 an LOOKUP_X509. The main logic of the reinvokes the suspended call
376 (which would normally occur after a worker has finished) and we
377 set the user parameters.
378 */
379 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
380 {
381 srpsrvparm *p = (srpsrvparm *)arg;
382 if (p->login == NULL && p->user == NULL )
383 {
384 p->login = SSL_get_srp_username(s);
385 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
386 return (-1) ;
387 }
388
389 if (p->user == NULL)
390 {
391 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
392 return SSL3_AL_FATAL;
393 }
394 if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
395 p->user->info) < 0)
396 {
397 *ad = SSL_AD_INTERNAL_ERROR;
398 return SSL3_AL_FATAL;
399 }
400 BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
401 /* need to check whether there are memory leaks */
402 p->user = NULL;
403 p->login = NULL;
404 return SSL_ERROR_NONE;
405 }
406
407 #endif
408
409 #ifdef MONOLITH
410 static void s_server_init(void)
411 {
412 accept_socket=-1;
413 s_server_verify=SSL_VERIFY_NONE;
414 s_dcert_file=NULL;
415 s_dkey_file=NULL;
416 s_dchain_file=NULL;
417 s_cert_file=TEST_CERT;
418 s_key_file=NULL;
419 s_chain_file=NULL;
420 #ifndef OPENSSL_NO_TLSEXT
421 s_cert_file2=TEST_CERT2;
422 s_key_file2=NULL;
423 ctx2=NULL;
424 #endif
425 #ifdef FIONBIO
426 s_nbio=0;
427 #endif
428 s_nbio_test=0;
429 ctx=NULL;
430 www=0;
431
432 bio_s_out=NULL;
433 s_debug=0;
434 s_msg=0;
435 s_quiet=0;
436 s_brief=0;
437 hack=0;
438 #ifndef OPENSSL_NO_ENGINE
439 engine_id=NULL;
440 #endif
441 }
442 #endif
443
444 static void sv_usage(void)
445 {
446 BIO_printf(bio_err,"usage: s_server [args ...]\n");
447 BIO_printf(bio_err,"\n");
448 BIO_printf(bio_err," -accept port - TCP/IP port to accept on (default is %d)\n",PORT);
449 BIO_printf(bio_err," -unix path - unix domain socket to accept on\n");
450 BIO_printf(bio_err," -unlink - for -unix, unlink existing socket first\n");
451 BIO_printf(bio_err," -context arg - set session ID context\n");
452 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
453 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
454 BIO_printf(bio_err," -verify_return_error - return verification errors\n");
455 BIO_printf(bio_err," -cert arg - certificate file to use\n");
456 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
457 BIO_printf(bio_err," -naccept arg - terminate after 'arg' connections\n");
458 #ifndef OPENSSL_NO_TLSEXT
459 BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
460 #endif
461 BIO_printf(bio_err," -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
462 BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \
463 " The CRL(s) are appended to the certificate file\n");
464 BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
465 " or any other CRL in the CA chain. CRL(s) are appened to the\n" \
466 " the certificate file.\n");
467 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
468 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n");
469 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
470 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
471 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
472 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
473 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n");
474 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
475 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
476 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n");
477 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
478 BIO_printf(bio_err," or a default set of parameters is used\n");
479 #ifndef OPENSSL_NO_ECDH
480 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
481 " Use \"openssl ecparam -list_curves\" for all names\n" \
482 " (default is nistp256).\n");
483 #endif
484 #ifdef FIONBIO
485 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
486 #endif
487 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
488 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
489 BIO_printf(bio_err," -debug - Print more output\n");
490 BIO_printf(bio_err," -msg - Show protocol messages\n");
491 BIO_printf(bio_err," -state - Print the SSL states\n");
492 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
493 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
494 BIO_printf(bio_err," -trusted_first - Use locally trusted CA's first when building trust chain\n");
495 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
496 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
497 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
498 BIO_printf(bio_err," -quiet - No server output\n");
499 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
500 #ifndef OPENSSL_NO_PSK
501 BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
502 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
503 # ifndef OPENSSL_NO_JPAKE
504 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
505 # endif
506 #endif
507 #ifndef OPENSSL_NO_SRP
508 BIO_printf(bio_err," -srpvfile file - The verifier file for SRP\n");
509 BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
510 #endif
511 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
512 #ifndef OPENSSL_NO_SSL3_METHOD
513 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
514 #endif
515 BIO_printf(bio_err," -tls1_2 - Just talk TLSv1.2\n");
516 BIO_printf(bio_err," -tls1_1 - Just talk TLSv1.1\n");
517 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
518 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n");
519 BIO_printf(bio_err," -dtls1_2 - Just talk DTLSv1.2\n");
520 BIO_printf(bio_err," -timeout - Enable timeouts\n");
521 BIO_printf(bio_err," -mtu - Set link layer MTU\n");
522 BIO_printf(bio_err," -chain - Read a certificate chain\n");
523 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
524 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
525 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
526 BIO_printf(bio_err," -no_tls1_1 - Just disable TLSv1.1\n");
527 BIO_printf(bio_err," -no_tls1_2 - Just disable TLSv1.2\n");
528 #ifndef OPENSSL_NO_DH
529 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
530 #endif
531 #ifndef OPENSSL_NO_ECDH
532 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
533 #endif
534 BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
535 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
536 BIO_printf(bio_err," -hack - workaround for early Netscape code\n");
537 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
538 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
539 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
540 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
541 #ifndef OPENSSL_NO_ENGINE
542 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
543 #endif
544 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
545 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
546 #ifndef OPENSSL_NO_TLSEXT
547 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
548 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
549 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n");
550 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2);
551 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n");
552 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2);
553 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
554 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
555 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
556 # ifndef OPENSSL_NO_NEXTPROTONEG
557 BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
558 # endif
559 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
560 BIO_printf(bio_err," -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n");
561 #endif
562 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
563 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
564 BIO_printf(bio_err," -status - respond to certificate status requests\n");
565 BIO_printf(bio_err," -status_verbose - enable status request verbose printout\n");
566 BIO_printf(bio_err," -status_timeout n - status request responder timeout\n");
567 BIO_printf(bio_err," -status_url URL - status request fallback URL\n");
568 }
569
570 static int local_argc=0;
571 static char **local_argv;
572
573 #ifdef CHARSET_EBCDIC
574 static int ebcdic_new(BIO *bi);
575 static int ebcdic_free(BIO *a);
576 static int ebcdic_read(BIO *b, char *out, int outl);
577 static int ebcdic_write(BIO *b, const char *in, int inl);
578 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
579 static int ebcdic_gets(BIO *bp, char *buf, int size);
580 static int ebcdic_puts(BIO *bp, const char *str);
581
582 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
583 static BIO_METHOD methods_ebcdic=
584 {
585 BIO_TYPE_EBCDIC_FILTER,
586 "EBCDIC/ASCII filter",
587 ebcdic_write,
588 ebcdic_read,
589 ebcdic_puts,
590 ebcdic_gets,
591 ebcdic_ctrl,
592 ebcdic_new,
593 ebcdic_free,
594 };
595
596 typedef struct
597 {
598 size_t alloced;
599 char buff[1];
600 } EBCDIC_OUTBUFF;
601
602 BIO_METHOD *BIO_f_ebcdic_filter()
603 {
604 return(&methods_ebcdic);
605 }
606
607 static int ebcdic_new(BIO *bi)
608 {
609 EBCDIC_OUTBUFF *wbuf;
610
611 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
612 wbuf->alloced = 1024;
613 wbuf->buff[0] = '\0';
614
615 bi->ptr=(char *)wbuf;
616 bi->init=1;
617 bi->flags=0;
618 return(1);
619 }
620
621 static int ebcdic_free(BIO *a)
622 {
623 if (a == NULL) return(0);
624 if (a->ptr != NULL)
625 OPENSSL_free(a->ptr);
626 a->ptr=NULL;
627 a->init=0;
628 a->flags=0;
629 return(1);
630 }
631
632 static int ebcdic_read(BIO *b, char *out, int outl)
633 {
634 int ret=0;
635
636 if (out == NULL || outl == 0) return(0);
637 if (b->next_bio == NULL) return(0);
638
639 ret=BIO_read(b->next_bio,out,outl);
640 if (ret > 0)
641 ascii2ebcdic(out,out,ret);
642 return(ret);
643 }
644
645 static int ebcdic_write(BIO *b, const char *in, int inl)
646 {
647 EBCDIC_OUTBUFF *wbuf;
648 int ret=0;
649 int num;
650 unsigned char n;
651
652 if ((in == NULL) || (inl <= 0)) return(0);
653 if (b->next_bio == NULL) return(0);
654
655 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
656
657 if (inl > (num = wbuf->alloced))
658 {
659 num = num + num; /* double the size */
660 if (num < inl)
661 num = inl;
662 OPENSSL_free(wbuf);
663 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
664
665 wbuf->alloced = num;
666 wbuf->buff[0] = '\0';
667
668 b->ptr=(char *)wbuf;
669 }
670
671 ebcdic2ascii(wbuf->buff, in, inl);
672
673 ret=BIO_write(b->next_bio, wbuf->buff, inl);
674
675 return(ret);
676 }
677
678 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
679 {
680 long ret;
681
682 if (b->next_bio == NULL) return(0);
683 switch (cmd)
684 {
685 case BIO_CTRL_DUP:
686 ret=0L;
687 break;
688 default:
689 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
690 break;
691 }
692 return(ret);
693 }
694
695 static int ebcdic_gets(BIO *bp, char *buf, int size)
696 {
697 int i, ret=0;
698 if (bp->next_bio == NULL) return(0);
699 /* return(BIO_gets(bp->next_bio,buf,size));*/
700 for (i=0; i<size-1; ++i)
701 {
702 ret = ebcdic_read(bp,&buf[i],1);
703 if (ret <= 0)
704 break;
705 else if (buf[i] == '\n')
706 {
707 ++i;
708 break;
709 }
710 }
711 if (i < size)
712 buf[i] = '\0';
713 return (ret < 0 && i == 0) ? ret : i;
714 }
715
716 static int ebcdic_puts(BIO *bp, const char *str)
717 {
718 if (bp->next_bio == NULL) return(0);
719 return ebcdic_write(bp, str, strlen(str));
720 }
721 #endif
722
723 #ifndef OPENSSL_NO_TLSEXT
724
725 /* This is a context that we pass to callbacks */
726 typedef struct tlsextctx_st {
727 char * servername;
728 BIO * biodebug;
729 int extension_error;
730 } tlsextctx;
731
732
733 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
734 {
735 tlsextctx * p = (tlsextctx *) arg;
736 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
737 if (servername && p->biodebug)
738 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
739
740 if (!p->servername)
741 return SSL_TLSEXT_ERR_NOACK;
742
743 if (servername)
744 {
745 if (strcasecmp(servername,p->servername))
746 return p->extension_error;
747 if (ctx2)
748 {
749 BIO_printf(p->biodebug,"Switching server context.\n");
750 SSL_set_SSL_CTX(s,ctx2);
751 }
752 }
753 return SSL_TLSEXT_ERR_OK;
754 }
755
756 /* Structure passed to cert status callback */
757
758 typedef struct tlsextstatusctx_st {
759 /* Default responder to use */
760 char *host, *path, *port;
761 int use_ssl;
762 int timeout;
763 BIO *err;
764 int verbose;
765 } tlsextstatusctx;
766
767 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
768
769 /* Certificate Status callback. This is called when a client includes a
770 * certificate status request extension.
771 *
772 * This is a simplified version. It examines certificates each time and
773 * makes one OCSP responder query for each request.
774 *
775 * A full version would store details such as the OCSP certificate IDs and
776 * minimise the number of OCSP responses by caching them until they were
777 * considered "expired".
778 */
779
780 static int cert_status_cb(SSL *s, void *arg)
781 {
782 tlsextstatusctx *srctx = arg;
783 BIO *err = srctx->err;
784 char *host, *port, *path;
785 int use_ssl;
786 unsigned char *rspder = NULL;
787 int rspderlen;
788 STACK_OF(OPENSSL_STRING) *aia = NULL;
789 X509 *x = NULL;
790 X509_STORE_CTX inctx;
791 X509_OBJECT obj;
792 OCSP_REQUEST *req = NULL;
793 OCSP_RESPONSE *resp = NULL;
794 OCSP_CERTID *id = NULL;
795 STACK_OF(X509_EXTENSION) *exts;
796 int ret = SSL_TLSEXT_ERR_NOACK;
797 int i;
798 #if 0
799 STACK_OF(OCSP_RESPID) *ids;
800 SSL_get_tlsext_status_ids(s, &ids);
801 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
802 #endif
803 if (srctx->verbose)
804 BIO_puts(err, "cert_status: callback called\n");
805 /* Build up OCSP query from server certificate */
806 x = SSL_get_certificate(s);
807 aia = X509_get1_ocsp(x);
808 if (aia)
809 {
810 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
811 &host, &port, &path, &use_ssl))
812 {
813 BIO_puts(err, "cert_status: can't parse AIA URL\n");
814 goto err;
815 }
816 if (srctx->verbose)
817 BIO_printf(err, "cert_status: AIA URL: %s\n",
818 sk_OPENSSL_STRING_value(aia, 0));
819 }
820 else
821 {
822 if (!srctx->host)
823 {
824 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
825 goto done;
826 }
827 host = srctx->host;
828 path = srctx->path;
829 port = srctx->port;
830 use_ssl = srctx->use_ssl;
831 }
832
833 if (!X509_STORE_CTX_init(&inctx,
834 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
835 NULL, NULL))
836 goto err;
837 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
838 X509_get_issuer_name(x),&obj) <= 0)
839 {
840 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
841 X509_STORE_CTX_cleanup(&inctx);
842 goto done;
843 }
844 req = OCSP_REQUEST_new();
845 if (!req)
846 goto err;
847 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
848 X509_free(obj.data.x509);
849 X509_STORE_CTX_cleanup(&inctx);
850 if (!id)
851 goto err;
852 if (!OCSP_request_add0_id(req, id))
853 goto err;
854 id = NULL;
855 /* Add any extensions to the request */
856 SSL_get_tlsext_status_exts(s, &exts);
857 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
858 {
859 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
860 if (!OCSP_REQUEST_add_ext(req, ext, -1))
861 goto err;
862 }
863 resp = process_responder(err, req, host, path, port, use_ssl, NULL,
864 srctx->timeout);
865 if (!resp)
866 {
867 BIO_puts(err, "cert_status: error querying responder\n");
868 goto done;
869 }
870 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
871 if (rspderlen <= 0)
872 goto err;
873 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
874 if (srctx->verbose)
875 {
876 BIO_puts(err, "cert_status: ocsp response sent:\n");
877 OCSP_RESPONSE_print(err, resp, 2);
878 }
879 ret = SSL_TLSEXT_ERR_OK;
880 done:
881 if (ret != SSL_TLSEXT_ERR_OK)
882 ERR_print_errors(err);
883 if (aia)
884 {
885 OPENSSL_free(host);
886 OPENSSL_free(path);
887 OPENSSL_free(port);
888 X509_email_free(aia);
889 }
890 if (id)
891 OCSP_CERTID_free(id);
892 if (req)
893 OCSP_REQUEST_free(req);
894 if (resp)
895 OCSP_RESPONSE_free(resp);
896 return ret;
897 err:
898 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
899 goto done;
900 }
901
902 # ifndef OPENSSL_NO_NEXTPROTONEG
903 /* This is the context that we pass to next_proto_cb */
904 typedef struct tlsextnextprotoctx_st {
905 unsigned char *data;
906 unsigned int len;
907 } tlsextnextprotoctx;
908
909 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
910 {
911 tlsextnextprotoctx *next_proto = arg;
912
913 *data = next_proto->data;
914 *len = next_proto->len;
915
916 return SSL_TLSEXT_ERR_OK;
917 }
918 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
919
920 /* This the context that we pass to alpn_cb */
921 typedef struct tlsextalpnctx_st {
922 unsigned char *data;
923 unsigned short len;
924 } tlsextalpnctx;
925
926 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
927 {
928 tlsextalpnctx *alpn_ctx = arg;
929
930 if (!s_quiet)
931 {
932 /* We can assume that |in| is syntactically valid. */
933 unsigned i;
934 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
935 for (i = 0; i < inlen; )
936 {
937 if (i)
938 BIO_write(bio_s_out, ", ", 2);
939 BIO_write(bio_s_out, &in[i + 1], in[i]);
940 i += in[i] + 1;
941 }
942 BIO_write(bio_s_out, "\n", 1);
943 }
944
945 if (SSL_select_next_proto((unsigned char**) out, outlen, alpn_ctx->data, alpn_ctx->len, in, inlen) !=
946 OPENSSL_NPN_NEGOTIATED)
947 {
948 return SSL_TLSEXT_ERR_NOACK;
949 }
950
951 if (!s_quiet)
952 {
953 BIO_printf(bio_s_out, "ALPN protocols selected: ");
954 BIO_write(bio_s_out, *out, *outlen);
955 BIO_write(bio_s_out, "\n", 1);
956 }
957
958 return SSL_TLSEXT_ERR_OK;
959 }
960 #endif /* ndef OPENSSL_NO_TLSEXT */
961
962 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
963 {
964 /* disable resumption for sessions with forward secure ciphers */
965 return is_forward_secure;
966 }
967
968 int MAIN(int, char **);
969
970 #ifndef OPENSSL_NO_JPAKE
971 static char *jpake_secret = NULL;
972 #define no_jpake !jpake_secret
973 #else
974 #define no_jpake 1
975 #endif
976 #ifndef OPENSSL_NO_SRP
977 static srpsrvparm srp_callback_parm;
978 #endif
979 static char *srtp_profiles = NULL;
980
981 int MAIN(int argc, char *argv[])
982 {
983 X509_VERIFY_PARAM *vpm = NULL;
984 int badarg = 0;
985 short port=PORT;
986 const char *unix_path=NULL;
987 #ifndef NO_SYS_UN_H
988 int unlink_unix_path=0;
989 #endif
990 int (*server_cb)(char *hostname, int s, int stype, unsigned char *context);
991 char *CApath=NULL,*CAfile=NULL;
992 char *chCApath=NULL,*chCAfile=NULL;
993 char *vfyCApath=NULL,*vfyCAfile=NULL;
994 unsigned char *context = NULL;
995 char *dhfile = NULL;
996 int badop=0;
997 int ret=1;
998 int build_chain = 0;
999 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
1000 int state=0;
1001 const SSL_METHOD *meth=NULL;
1002 int socket_type=SOCK_STREAM;
1003 ENGINE *e=NULL;
1004 char *inrand=NULL;
1005 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1006 char *passarg = NULL, *pass = NULL;
1007 char *dpassarg = NULL, *dpass = NULL;
1008 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1009 X509 *s_cert = NULL, *s_dcert = NULL;
1010 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1011 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1012 int no_cache = 0, ext_cache = 0;
1013 int rev = 0, naccept = -1;
1014 int sdebug = 0;
1015 #ifndef OPENSSL_NO_TLSEXT
1016 EVP_PKEY *s_key2 = NULL;
1017 X509 *s_cert2 = NULL;
1018 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
1019 # ifndef OPENSSL_NO_NEXTPROTONEG
1020 const char *next_proto_neg_in = NULL;
1021 tlsextnextprotoctx next_proto = { NULL, 0};
1022 # endif
1023 const char *alpn_in = NULL;
1024 tlsextalpnctx alpn_ctx = { NULL, 0};
1025 #endif
1026 #ifndef OPENSSL_NO_PSK
1027 /* by default do not send a PSK identity hint */
1028 static char *psk_identity_hint=NULL;
1029 #endif
1030 #ifndef OPENSSL_NO_SRP
1031 char *srpuserseed = NULL;
1032 char *srp_verifier_file = NULL;
1033 #endif
1034 SSL_EXCERT *exc = NULL;
1035 SSL_CONF_CTX *cctx = NULL;
1036 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1037
1038 char *crl_file = NULL;
1039 int crl_format = FORMAT_PEM;
1040 int crl_download = 0;
1041 STACK_OF(X509_CRL) *crls = NULL;
1042
1043 meth=SSLv23_server_method();
1044
1045 local_argc=argc;
1046 local_argv=argv;
1047
1048 apps_startup();
1049 #ifdef MONOLITH
1050 s_server_init();
1051 #endif
1052
1053 if (bio_err == NULL)
1054 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1055
1056 if (!load_config(bio_err, NULL))
1057 goto end;
1058
1059 cctx = SSL_CONF_CTX_new();
1060 if (!cctx)
1061 goto end;
1062 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1063 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1064
1065 verify_depth=0;
1066 #ifdef FIONBIO
1067 s_nbio=0;
1068 #endif
1069 s_nbio_test=0;
1070
1071 argc--;
1072 argv++;
1073
1074 while (argc >= 1)
1075 {
1076 if ((strcmp(*argv,"-port") == 0) ||
1077 (strcmp(*argv,"-accept") == 0))
1078 {
1079 if (--argc < 1) goto bad;
1080 if (!extract_port(*(++argv),&port))
1081 goto bad;
1082 }
1083 else if (strcmp(*argv,"-unix") == 0)
1084 {
1085 #ifdef NO_SYS_UN_H
1086 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1087 goto bad;
1088 #else
1089 if (--argc < 1) goto bad;
1090 unix_path = *(++argv);
1091 #endif
1092 }
1093 else if (strcmp(*argv,"-unlink") == 0)
1094 {
1095 #ifdef NO_SYS_UN_H
1096 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1097 goto bad;
1098 #else
1099 unlink_unix_path = 1;
1100 #endif
1101 }
1102 else if (strcmp(*argv,"-naccept") == 0)
1103 {
1104 if (--argc < 1) goto bad;
1105 naccept = atol(*(++argv));
1106 if (naccept <= 0)
1107 {
1108 BIO_printf(bio_err, "bad accept value %s\n",
1109 *argv);
1110 goto bad;
1111 }
1112 }
1113 else if (strcmp(*argv,"-verify") == 0)
1114 {
1115 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1116 if (--argc < 1) goto bad;
1117 verify_depth=atoi(*(++argv));
1118 if (!s_quiet)
1119 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1120 }
1121 else if (strcmp(*argv,"-Verify") == 0)
1122 {
1123 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1124 SSL_VERIFY_CLIENT_ONCE;
1125 if (--argc < 1) goto bad;
1126 verify_depth=atoi(*(++argv));
1127 if (!s_quiet)
1128 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1129 }
1130 else if (strcmp(*argv,"-context") == 0)
1131 {
1132 if (--argc < 1) goto bad;
1133 context= (unsigned char *)*(++argv);
1134 }
1135 else if (strcmp(*argv,"-cert") == 0)
1136 {
1137 if (--argc < 1) goto bad;
1138 s_cert_file= *(++argv);
1139 }
1140 else if (strcmp(*argv,"-CRL") == 0)
1141 {
1142 if (--argc < 1) goto bad;
1143 crl_file= *(++argv);
1144 }
1145 else if (strcmp(*argv,"-crl_download") == 0)
1146 crl_download = 1;
1147 #ifndef OPENSSL_NO_TLSEXT
1148 else if (strcmp(*argv,"-serverinfo") == 0)
1149 {
1150 if (--argc < 1) goto bad;
1151 s_serverinfo_file = *(++argv);
1152 }
1153 #endif
1154 else if (strcmp(*argv,"-certform") == 0)
1155 {
1156 if (--argc < 1) goto bad;
1157 s_cert_format = str2fmt(*(++argv));
1158 }
1159 else if (strcmp(*argv,"-key") == 0)
1160 {
1161 if (--argc < 1) goto bad;
1162 s_key_file= *(++argv);
1163 }
1164 else if (strcmp(*argv,"-keyform") == 0)
1165 {
1166 if (--argc < 1) goto bad;
1167 s_key_format = str2fmt(*(++argv));
1168 }
1169 else if (strcmp(*argv,"-pass") == 0)
1170 {
1171 if (--argc < 1) goto bad;
1172 passarg = *(++argv);
1173 }
1174 else if (strcmp(*argv,"-cert_chain") == 0)
1175 {
1176 if (--argc < 1) goto bad;
1177 s_chain_file= *(++argv);
1178 }
1179 else if (strcmp(*argv,"-dhparam") == 0)
1180 {
1181 if (--argc < 1) goto bad;
1182 dhfile = *(++argv);
1183 }
1184 else if (strcmp(*argv,"-dcertform") == 0)
1185 {
1186 if (--argc < 1) goto bad;
1187 s_dcert_format = str2fmt(*(++argv));
1188 }
1189 else if (strcmp(*argv,"-dcert") == 0)
1190 {
1191 if (--argc < 1) goto bad;
1192 s_dcert_file= *(++argv);
1193 }
1194 else if (strcmp(*argv,"-dkeyform") == 0)
1195 {
1196 if (--argc < 1) goto bad;
1197 s_dkey_format = str2fmt(*(++argv));
1198 }
1199 else if (strcmp(*argv,"-dpass") == 0)
1200 {
1201 if (--argc < 1) goto bad;
1202 dpassarg = *(++argv);
1203 }
1204 else if (strcmp(*argv,"-dkey") == 0)
1205 {
1206 if (--argc < 1) goto bad;
1207 s_dkey_file= *(++argv);
1208 }
1209 else if (strcmp(*argv,"-dcert_chain") == 0)
1210 {
1211 if (--argc < 1) goto bad;
1212 s_dchain_file= *(++argv);
1213 }
1214 else if (strcmp(*argv,"-nocert") == 0)
1215 {
1216 nocert=1;
1217 }
1218 else if (strcmp(*argv,"-CApath") == 0)
1219 {
1220 if (--argc < 1) goto bad;
1221 CApath= *(++argv);
1222 }
1223 else if (strcmp(*argv,"-chainCApath") == 0)
1224 {
1225 if (--argc < 1) goto bad;
1226 chCApath= *(++argv);
1227 }
1228 else if (strcmp(*argv,"-verifyCApath") == 0)
1229 {
1230 if (--argc < 1) goto bad;
1231 vfyCApath= *(++argv);
1232 }
1233 else if (strcmp(*argv,"-no_cache") == 0)
1234 no_cache = 1;
1235 else if (strcmp(*argv,"-ext_cache") == 0)
1236 ext_cache = 1;
1237 else if (strcmp(*argv,"-CRLform") == 0)
1238 {
1239 if (--argc < 1) goto bad;
1240 crl_format = str2fmt(*(++argv));
1241 }
1242 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1243 {
1244 if (badarg)
1245 goto bad;
1246 continue;
1247 }
1248 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1249 {
1250 if (badarg)
1251 goto bad;
1252 continue;
1253 }
1254 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1255 {
1256 if (badarg)
1257 goto bad;
1258 continue;
1259 }
1260 else if (strcmp(*argv,"-verify_return_error") == 0)
1261 verify_return_error = 1;
1262 else if (strcmp(*argv,"-verify_quiet") == 0)
1263 verify_quiet = 1;
1264 else if (strcmp(*argv,"-build_chain") == 0)
1265 build_chain = 1;
1266 else if (strcmp(*argv,"-CAfile") == 0)
1267 {
1268 if (--argc < 1) goto bad;
1269 CAfile= *(++argv);
1270 }
1271 else if (strcmp(*argv,"-chainCAfile") == 0)
1272 {
1273 if (--argc < 1) goto bad;
1274 chCAfile= *(++argv);
1275 }
1276 else if (strcmp(*argv,"-verifyCAfile") == 0)
1277 {
1278 if (--argc < 1) goto bad;
1279 vfyCAfile= *(++argv);
1280 }
1281 #ifdef FIONBIO
1282 else if (strcmp(*argv,"-nbio") == 0)
1283 { s_nbio=1; }
1284 #endif
1285 else if (strcmp(*argv,"-nbio_test") == 0)
1286 {
1287 #ifdef FIONBIO
1288 s_nbio=1;
1289 #endif
1290 s_nbio_test=1;
1291 }
1292 else if (strcmp(*argv,"-ign_eof") == 0)
1293 s_ign_eof=1;
1294 else if (strcmp(*argv,"-no_ign_eof") == 0)
1295 s_ign_eof=0;
1296 else if (strcmp(*argv,"-debug") == 0)
1297 { s_debug=1; }
1298 #ifndef OPENSSL_NO_TLSEXT
1299 else if (strcmp(*argv,"-tlsextdebug") == 0)
1300 s_tlsextdebug=1;
1301 else if (strcmp(*argv,"-status") == 0)
1302 s_tlsextstatus=1;
1303 else if (strcmp(*argv,"-status_verbose") == 0)
1304 {
1305 s_tlsextstatus=1;
1306 tlscstatp.verbose = 1;
1307 }
1308 else if (!strcmp(*argv, "-status_timeout"))
1309 {
1310 s_tlsextstatus=1;
1311 if (--argc < 1) goto bad;
1312 tlscstatp.timeout = atoi(*(++argv));
1313 }
1314 else if (!strcmp(*argv, "-status_url"))
1315 {
1316 s_tlsextstatus=1;
1317 if (--argc < 1) goto bad;
1318 if (!OCSP_parse_url(*(++argv),
1319 &tlscstatp.host,
1320 &tlscstatp.port,
1321 &tlscstatp.path,
1322 &tlscstatp.use_ssl))
1323 {
1324 BIO_printf(bio_err, "Error parsing URL\n");
1325 goto bad;
1326 }
1327 }
1328 #endif
1329 else if (strcmp(*argv,"-msg") == 0)
1330 { s_msg=1; }
1331 else if (strcmp(*argv,"-msgfile") == 0)
1332 {
1333 if (--argc < 1) goto bad;
1334 bio_s_msg = BIO_new_file(*(++argv), "w");
1335 }
1336 #ifndef OPENSSL_NO_SSL_TRACE
1337 else if (strcmp(*argv,"-trace") == 0)
1338 { s_msg=2; }
1339 #endif
1340 else if (strcmp(*argv,"-security_debug") == 0)
1341 { sdebug=1; }
1342 else if (strcmp(*argv,"-security_debug_verbose") == 0)
1343 { sdebug=2; }
1344 else if (strcmp(*argv,"-hack") == 0)
1345 { hack=1; }
1346 else if (strcmp(*argv,"-state") == 0)
1347 { state=1; }
1348 else if (strcmp(*argv,"-crlf") == 0)
1349 { s_crlf=1; }
1350 else if (strcmp(*argv,"-quiet") == 0)
1351 { s_quiet=1; }
1352 else if (strcmp(*argv,"-brief") == 0)
1353 {
1354 s_quiet=1;
1355 s_brief=1;
1356 verify_quiet=1;
1357 }
1358 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1359 { no_tmp_rsa=1; }
1360 else if (strcmp(*argv,"-no_dhe") == 0)
1361 { no_dhe=1; }
1362 else if (strcmp(*argv,"-no_ecdhe") == 0)
1363 { no_ecdhe=1; }
1364 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1365 { no_resume_ephemeral = 1; }
1366 #ifndef OPENSSL_NO_PSK
1367 else if (strcmp(*argv,"-psk_hint") == 0)
1368 {
1369 if (--argc < 1) goto bad;
1370 psk_identity_hint= *(++argv);
1371 }
1372 else if (strcmp(*argv,"-psk") == 0)
1373 {
1374 size_t i;
1375
1376 if (--argc < 1) goto bad;
1377 psk_key=*(++argv);
1378 for (i=0; i<strlen(psk_key); i++)
1379 {
1380 if (isxdigit((unsigned char)psk_key[i]))
1381 continue;
1382 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1383 goto bad;
1384 }
1385 }
1386 #endif
1387 #ifndef OPENSSL_NO_SRP
1388 else if (strcmp(*argv, "-srpvfile") == 0)
1389 {
1390 if (--argc < 1) goto bad;
1391 srp_verifier_file = *(++argv);
1392 meth = TLSv1_server_method();
1393 }
1394 else if (strcmp(*argv, "-srpuserseed") == 0)
1395 {
1396 if (--argc < 1) goto bad;
1397 srpuserseed = *(++argv);
1398 meth = TLSv1_server_method();
1399 }
1400 #endif
1401 else if (strcmp(*argv,"-rev") == 0)
1402 { rev=1; }
1403 else if (strcmp(*argv,"-www") == 0)
1404 { www=1; }
1405 else if (strcmp(*argv,"-WWW") == 0)
1406 { www=2; }
1407 else if (strcmp(*argv,"-HTTP") == 0)
1408 { www=3; }
1409 #ifndef OPENSSL_NO_SSL2
1410 else if (strcmp(*argv,"-ssl2") == 0)
1411 {
1412 no_ecdhe=1;
1413 meth=SSLv2_server_method();
1414 }
1415 #endif
1416 #ifndef OPENSSL_NO_SSL3_METHOD
1417 else if (strcmp(*argv,"-ssl3") == 0)
1418 { meth=SSLv3_server_method(); }
1419 #endif
1420 #ifndef OPENSSL_NO_TLS1
1421 else if (strcmp(*argv,"-tls1") == 0)
1422 { meth=TLSv1_server_method(); }
1423 else if (strcmp(*argv,"-tls1_1") == 0)
1424 { meth=TLSv1_1_server_method(); }
1425 else if (strcmp(*argv,"-tls1_2") == 0)
1426 { meth=TLSv1_2_server_method(); }
1427 #endif
1428 #ifndef OPENSSL_NO_DTLS1
1429 else if (strcmp(*argv,"-dtls") == 0)
1430 {
1431 meth=DTLS_server_method();
1432 socket_type = SOCK_DGRAM;
1433 }
1434 else if (strcmp(*argv,"-dtls1") == 0)
1435 {
1436 meth=DTLSv1_server_method();
1437 socket_type = SOCK_DGRAM;
1438 }
1439 else if (strcmp(*argv,"-dtls1_2") == 0)
1440 {
1441 meth=DTLSv1_2_server_method();
1442 socket_type = SOCK_DGRAM;
1443 }
1444 else if (strcmp(*argv,"-timeout") == 0)
1445 enable_timeouts = 1;
1446 else if (strcmp(*argv,"-mtu") == 0)
1447 {
1448 if (--argc < 1) goto bad;
1449 socket_mtu = atol(*(++argv));
1450 }
1451 else if (strcmp(*argv, "-chain") == 0)
1452 cert_chain = 1;
1453 #endif
1454 else if (strcmp(*argv, "-id_prefix") == 0)
1455 {
1456 if (--argc < 1) goto bad;
1457 session_id_prefix = *(++argv);
1458 }
1459 #ifndef OPENSSL_NO_ENGINE
1460 else if (strcmp(*argv,"-engine") == 0)
1461 {
1462 if (--argc < 1) goto bad;
1463 engine_id= *(++argv);
1464 }
1465 #endif
1466 else if (strcmp(*argv,"-rand") == 0)
1467 {
1468 if (--argc < 1) goto bad;
1469 inrand= *(++argv);
1470 }
1471 #ifndef OPENSSL_NO_TLSEXT
1472 else if (strcmp(*argv,"-servername") == 0)
1473 {
1474 if (--argc < 1) goto bad;
1475 tlsextcbp.servername= *(++argv);
1476 }
1477 else if (strcmp(*argv,"-servername_fatal") == 0)
1478 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1479 else if (strcmp(*argv,"-cert2") == 0)
1480 {
1481 if (--argc < 1) goto bad;
1482 s_cert_file2= *(++argv);
1483 }
1484 else if (strcmp(*argv,"-key2") == 0)
1485 {
1486 if (--argc < 1) goto bad;
1487 s_key_file2= *(++argv);
1488 }
1489 # ifndef OPENSSL_NO_NEXTPROTONEG
1490 else if (strcmp(*argv,"-nextprotoneg") == 0)
1491 {
1492 if (--argc < 1) goto bad;
1493 next_proto_neg_in = *(++argv);
1494 }
1495 # endif
1496 else if (strcmp(*argv,"-alpn") == 0)
1497 {
1498 if (--argc < 1) goto bad;
1499 alpn_in = *(++argv);
1500 }
1501 #endif
1502 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1503 else if (strcmp(*argv,"-jpake") == 0)
1504 {
1505 if (--argc < 1) goto bad;
1506 jpake_secret = *(++argv);
1507 }
1508 #endif
1509 else if (strcmp(*argv,"-use_srtp") == 0)
1510 {
1511 if (--argc < 1) goto bad;
1512 srtp_profiles = *(++argv);
1513 }
1514 else if (strcmp(*argv,"-keymatexport") == 0)
1515 {
1516 if (--argc < 1) goto bad;
1517 keymatexportlabel= *(++argv);
1518 }
1519 else if (strcmp(*argv,"-keymatexportlen") == 0)
1520 {
1521 if (--argc < 1) goto bad;
1522 keymatexportlen=atoi(*(++argv));
1523 if (keymatexportlen == 0) goto bad;
1524 }
1525 else
1526 {
1527 BIO_printf(bio_err,"unknown option %s\n",*argv);
1528 badop=1;
1529 break;
1530 }
1531 argc--;
1532 argv++;
1533 }
1534 if (badop)
1535 {
1536 bad:
1537 sv_usage();
1538 goto end;
1539 }
1540 #ifndef OPENSSL_NO_DTLS1
1541 if (www && socket_type == SOCK_DGRAM)
1542 {
1543 BIO_printf(bio_err,
1544 "Can't use -HTTP, -www or -WWW with DTLS\n");
1545 goto end;
1546 }
1547 #endif
1548
1549 if (unix_path && (socket_type != SOCK_STREAM))
1550 {
1551 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1552 goto end;
1553 }
1554 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1555 if (jpake_secret)
1556 {
1557 if (psk_key)
1558 {
1559 BIO_printf(bio_err,
1560 "Can't use JPAKE and PSK together\n");
1561 goto end;
1562 }
1563 psk_identity = "JPAKE";
1564 }
1565 #endif
1566
1567 SSL_load_error_strings();
1568 OpenSSL_add_ssl_algorithms();
1569
1570 #ifndef OPENSSL_NO_ENGINE
1571 e = setup_engine(bio_err, engine_id, 1);
1572 #endif
1573
1574 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1575 {
1576 BIO_printf(bio_err, "Error getting password\n");
1577 goto end;
1578 }
1579
1580
1581 if (s_key_file == NULL)
1582 s_key_file = s_cert_file;
1583 #ifndef OPENSSL_NO_TLSEXT
1584 if (s_key_file2 == NULL)
1585 s_key_file2 = s_cert_file2;
1586 #endif
1587
1588 if (!load_excert(&exc, bio_err))
1589 goto end;
1590
1591 if (nocert == 0)
1592 {
1593 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1594 "server certificate private key file");
1595 if (!s_key)
1596 {
1597 ERR_print_errors(bio_err);
1598 goto end;
1599 }
1600
1601 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1602 NULL, e, "server certificate file");
1603
1604 if (!s_cert)
1605 {
1606 ERR_print_errors(bio_err);
1607 goto end;
1608 }
1609 if (s_chain_file)
1610 {
1611 s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1612 NULL, e, "server certificate chain");
1613 if (!s_chain)
1614 goto end;
1615 }
1616
1617 #ifndef OPENSSL_NO_TLSEXT
1618 if (tlsextcbp.servername)
1619 {
1620 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1621 "second server certificate private key file");
1622 if (!s_key2)
1623 {
1624 ERR_print_errors(bio_err);
1625 goto end;
1626 }
1627
1628 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1629 NULL, e, "second server certificate file");
1630
1631 if (!s_cert2)
1632 {
1633 ERR_print_errors(bio_err);
1634 goto end;
1635 }
1636 }
1637 #endif /* OPENSSL_NO_TLSEXT */
1638 }
1639
1640 #if !defined(OPENSSL_NO_TLSEXT)
1641 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1642 if (next_proto_neg_in)
1643 {
1644 unsigned short len;
1645 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1646 if (next_proto.data == NULL)
1647 goto end;
1648 next_proto.len = len;
1649 }
1650 else
1651 {
1652 next_proto.data = NULL;
1653 }
1654 # endif
1655 alpn_ctx.data = NULL;
1656 if (alpn_in)
1657 {
1658 unsigned short len;
1659 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1660 if (alpn_ctx.data == NULL)
1661 goto end;
1662 alpn_ctx.len = len;
1663 }
1664 #endif
1665
1666 if (crl_file)
1667 {
1668 X509_CRL *crl;
1669 crl = load_crl(crl_file, crl_format);
1670 if (!crl)
1671 {
1672 BIO_puts(bio_err, "Error loading CRL\n");
1673 ERR_print_errors(bio_err);
1674 goto end;
1675 }
1676 crls = sk_X509_CRL_new_null();
1677 if (!crls || !sk_X509_CRL_push(crls, crl))
1678 {
1679 BIO_puts(bio_err, "Error adding CRL\n");
1680 ERR_print_errors(bio_err);
1681 X509_CRL_free(crl);
1682 goto end;
1683 }
1684 }
1685
1686
1687 if (s_dcert_file)
1688 {
1689
1690 if (s_dkey_file == NULL)
1691 s_dkey_file = s_dcert_file;
1692
1693 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1694 0, dpass, e,
1695 "second certificate private key file");
1696 if (!s_dkey)
1697 {
1698 ERR_print_errors(bio_err);
1699 goto end;
1700 }
1701
1702 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1703 NULL, e, "second server certificate file");
1704
1705 if (!s_dcert)
1706 {
1707 ERR_print_errors(bio_err);
1708 goto end;
1709 }
1710 if (s_dchain_file)
1711 {
1712 s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1713 NULL, e, "second server certificate chain");
1714 if (!s_dchain)
1715 goto end;
1716 }
1717
1718 }
1719
1720 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1721 && !RAND_status())
1722 {
1723 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1724 }
1725 if (inrand != NULL)
1726 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1727 app_RAND_load_files(inrand));
1728
1729 if (bio_s_out == NULL)
1730 {
1731 if (s_quiet && !s_debug)
1732 {
1733 bio_s_out=BIO_new(BIO_s_null());
1734 if (s_msg && !bio_s_msg)
1735 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1736 }
1737 else
1738 {
1739 if (bio_s_out == NULL)
1740 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1741 }
1742 }
1743
1744 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1745 if (nocert)
1746 #endif
1747 {
1748 s_cert_file=NULL;
1749 s_key_file=NULL;
1750 s_dcert_file=NULL;
1751 s_dkey_file=NULL;
1752 #ifndef OPENSSL_NO_TLSEXT
1753 s_cert_file2=NULL;
1754 s_key_file2=NULL;
1755 #endif
1756 }
1757
1758 ctx=SSL_CTX_new(meth);
1759 if (sdebug)
1760 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1761 if (ctx == NULL)
1762 {
1763 ERR_print_errors(bio_err);
1764 goto end;
1765 }
1766 if (session_id_prefix)
1767 {
1768 if(strlen(session_id_prefix) >= 32)
1769 BIO_printf(bio_err,
1770 "warning: id_prefix is too long, only one new session will be possible\n");
1771 else if(strlen(session_id_prefix) >= 16)
1772 BIO_printf(bio_err,
1773 "warning: id_prefix is too long if you use SSLv2\n");
1774 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1775 {
1776 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1777 ERR_print_errors(bio_err);
1778 goto end;
1779 }
1780 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1781 }
1782 SSL_CTX_set_quiet_shutdown(ctx,1);
1783 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1784 if (exc) ssl_ctx_set_excert(ctx, exc);
1785 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1786 * Setting read ahead solves this problem.
1787 */
1788 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1789
1790 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1791 if (no_cache)
1792 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1793 else if (ext_cache)
1794 init_session_cache_ctx(ctx);
1795 else
1796 SSL_CTX_sess_set_cache_size(ctx,128);
1797
1798 if (srtp_profiles != NULL)
1799 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1800
1801 #if 0
1802 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1803 #endif
1804
1805 #if 0
1806 if (s_cert_file == NULL)
1807 {
1808 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1809 goto end;
1810 }
1811 #endif
1812
1813 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1814 (!SSL_CTX_set_default_verify_paths(ctx)))
1815 {
1816 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1817 ERR_print_errors(bio_err);
1818 /* goto end; */
1819 }
1820 if (vpm)
1821 SSL_CTX_set1_param(ctx, vpm);
1822
1823 ssl_ctx_add_crls(ctx, crls, 0);
1824 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1825 goto end;
1826
1827 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1828 crls, crl_download))
1829 {
1830 BIO_printf(bio_err, "Error loading store locations\n");
1831 ERR_print_errors(bio_err);
1832 goto end;
1833 }
1834
1835 #ifndef OPENSSL_NO_TLSEXT
1836 if (s_cert2)
1837 {
1838 ctx2=SSL_CTX_new(meth);
1839 if (ctx2 == NULL)
1840 {
1841 ERR_print_errors(bio_err);
1842 goto end;
1843 }
1844 }
1845
1846 if (ctx2)
1847 {
1848 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1849
1850 if (sdebug)
1851 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1852
1853 if (session_id_prefix)
1854 {
1855 if(strlen(session_id_prefix) >= 32)
1856 BIO_printf(bio_err,
1857 "warning: id_prefix is too long, only one new session will be possible\n");
1858 else if(strlen(session_id_prefix) >= 16)
1859 BIO_printf(bio_err,
1860 "warning: id_prefix is too long if you use SSLv2\n");
1861 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1862 {
1863 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1864 ERR_print_errors(bio_err);
1865 goto end;
1866 }
1867 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1868 }
1869 SSL_CTX_set_quiet_shutdown(ctx2,1);
1870 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1871 if (exc) ssl_ctx_set_excert(ctx2, exc);
1872 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1873 * Setting read ahead solves this problem.
1874 */
1875 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1876
1877 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1878
1879 if (no_cache)
1880 SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1881 else if (ext_cache)
1882 init_session_cache_ctx(ctx2);
1883 else
1884 SSL_CTX_sess_set_cache_size(ctx2,128);
1885
1886 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1887 (!SSL_CTX_set_default_verify_paths(ctx2)))
1888 {
1889 ERR_print_errors(bio_err);
1890 }
1891 if (vpm)
1892 SSL_CTX_set1_param(ctx2, vpm);
1893
1894 ssl_ctx_add_crls(ctx2, crls, 0);
1895 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1896 goto end;
1897 }
1898
1899 # ifndef OPENSSL_NO_NEXTPROTONEG
1900 if (next_proto.data)
1901 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1902 # endif
1903 if (alpn_ctx.data)
1904 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1905 #endif
1906
1907 #ifndef OPENSSL_NO_DH
1908 if (!no_dhe)
1909 {
1910 DH *dh=NULL;
1911
1912 if (dhfile)
1913 dh = load_dh_param(dhfile);
1914 else if (s_cert_file)
1915 dh = load_dh_param(s_cert_file);
1916
1917 if (dh != NULL)
1918 {
1919 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1920 }
1921 else
1922 {
1923 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1924 }
1925 (void)BIO_flush(bio_s_out);
1926
1927 if (dh == NULL)
1928 SSL_CTX_set_dh_auto(ctx, 1);
1929 else if (!SSL_CTX_set_tmp_dh(ctx,dh))
1930 {
1931 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1932 ERR_print_errors(bio_err);
1933 DH_free(dh);
1934 goto end;
1935 }
1936 #ifndef OPENSSL_NO_TLSEXT
1937 if (ctx2)
1938 {
1939 if (!dhfile)
1940 {
1941 DH *dh2=load_dh_param(s_cert_file2);
1942 if (dh2 != NULL)
1943 {
1944 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1945 (void)BIO_flush(bio_s_out);
1946
1947 DH_free(dh);
1948 dh = dh2;
1949 }
1950 }
1951 if (dh == NULL)
1952 SSL_CTX_set_dh_auto(ctx2, 1);
1953 else if (!SSL_CTX_set_tmp_dh(ctx2,dh))
1954 {
1955 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1956 ERR_print_errors(bio_err);
1957 DH_free(dh);
1958 goto end;
1959 }
1960 }
1961 #endif
1962 DH_free(dh);
1963 }
1964 #endif
1965
1966 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1967 goto end;
1968 #ifndef OPENSSL_NO_TLSEXT
1969 if (s_serverinfo_file != NULL
1970 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1971 {
1972 ERR_print_errors(bio_err);
1973 goto end;
1974 }
1975 #endif
1976 #ifndef OPENSSL_NO_TLSEXT
1977 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1978 goto end;
1979 #endif
1980 if (s_dcert != NULL)
1981 {
1982 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1983 goto end;
1984 }
1985
1986 #ifndef OPENSSL_NO_RSA
1987 #if 1
1988 if (!no_tmp_rsa)
1989 {
1990 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1991 #ifndef OPENSSL_NO_TLSEXT
1992 if (ctx2)
1993 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1994 #endif
1995 }
1996 #else
1997 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1998 {
1999 RSA *rsa;
2000
2001 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
2002 BIO_flush(bio_s_out);
2003
2004 rsa=RSA_generate_key(512,RSA_F4,NULL);
2005
2006 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
2007 {
2008 ERR_print_errors(bio_err);
2009 goto end;
2010 }
2011 #ifndef OPENSSL_NO_TLSEXT
2012 if (ctx2)
2013 {
2014 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
2015 {
2016 ERR_print_errors(bio_err);
2017 goto end;
2018 }
2019 }
2020 #endif
2021 RSA_free(rsa);
2022 BIO_printf(bio_s_out,"\n");
2023 }
2024 #endif
2025 #endif
2026
2027 if (no_resume_ephemeral)
2028 {
2029 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
2030 #ifndef OPENSSL_NO_TLSEXT
2031 if (ctx2)
2032 SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
2033 #endif
2034 }
2035
2036 #ifndef OPENSSL_NO_PSK
2037 #ifdef OPENSSL_NO_JPAKE
2038 if (psk_key != NULL)
2039 #else
2040 if (psk_key != NULL || jpake_secret)
2041 #endif
2042 {
2043 if (s_debug)
2044 BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
2045 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2046 }
2047
2048 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
2049 {
2050 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
2051 ERR_print_errors(bio_err);
2052 goto end;
2053 }
2054 #endif
2055
2056 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2057 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2058 sizeof s_server_session_id_context);
2059
2060 /* Set DTLS cookie generation and verification callbacks */
2061 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2062 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2063
2064 #ifndef OPENSSL_NO_TLSEXT
2065 if (ctx2)
2066 {
2067 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2068 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2069 sizeof s_server_session_id_context);
2070
2071 tlsextcbp.biodebug = bio_s_out;
2072 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2073 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2074 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2075 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2076 }
2077 #endif
2078
2079 #ifndef OPENSSL_NO_SRP
2080 if (srp_verifier_file != NULL)
2081 {
2082 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2083 srp_callback_parm.user = NULL;
2084 srp_callback_parm.login = NULL;
2085 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2086 {
2087 BIO_printf(bio_err,
2088 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2089 srp_verifier_file, ret);
2090 goto end;
2091 }
2092 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2093 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2094 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2095 }
2096 else
2097 #endif
2098 if (CAfile != NULL)
2099 {
2100 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2101 #ifndef OPENSSL_NO_TLSEXT
2102 if (ctx2)
2103 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2104 #endif
2105 }
2106
2107 BIO_printf(bio_s_out,"ACCEPT\n");
2108 (void)BIO_flush(bio_s_out);
2109 if (rev)
2110 server_cb = rev_body;
2111 else if (www)
2112 server_cb = www_body;
2113 else
2114 server_cb = sv_body;
2115 #ifndef NO_SYS_UN_H
2116 if (unix_path)
2117 {
2118 if (unlink_unix_path)
2119 unlink(unix_path);
2120 do_server_unix(unix_path,&accept_socket,server_cb, context, naccept);
2121 }
2122 else
2123 #endif
2124 do_server(port,socket_type,&accept_socket,server_cb, context, naccept);
2125 print_stats(bio_s_out,ctx);
2126 ret=0;
2127 end:
2128 if (ctx != NULL) SSL_CTX_free(ctx);
2129 if (s_cert)
2130 X509_free(s_cert);
2131 if (crls)
2132 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2133 if (s_dcert)
2134 X509_free(s_dcert);
2135 if (s_key)
2136 EVP_PKEY_free(s_key);
2137 if (s_dkey)
2138 EVP_PKEY_free(s_dkey);
2139 if (s_chain)
2140 sk_X509_pop_free(s_chain, X509_free);
2141 if (s_dchain)
2142 sk_X509_pop_free(s_dchain, X509_free);
2143 if (pass)
2144 OPENSSL_free(pass);
2145 if (dpass)
2146 OPENSSL_free(dpass);
2147 if (vpm)
2148 X509_VERIFY_PARAM_free(vpm);
2149 free_sessions();
2150 #ifndef OPENSSL_NO_TLSEXT
2151 if (tlscstatp.host)
2152 OPENSSL_free(tlscstatp.host);
2153 if (tlscstatp.port)
2154 OPENSSL_free(tlscstatp.port);
2155 if (tlscstatp.path)
2156 OPENSSL_free(tlscstatp.path);
2157 if (ctx2 != NULL) SSL_CTX_free(ctx2);
2158 if (s_cert2)
2159 X509_free(s_cert2);
2160 if (s_key2)
2161 EVP_PKEY_free(s_key2);
2162 if (serverinfo_in != NULL)
2163 BIO_free(serverinfo_in);
2164 # ifndef OPENSSL_NO_NEXTPROTONEG
2165 if (next_proto.data)
2166 OPENSSL_free(next_proto.data);
2167 # endif
2168 if (alpn_ctx.data)
2169 OPENSSL_free(alpn_ctx.data);
2170 #endif
2171 ssl_excert_free(exc);
2172 if (ssl_args)
2173 sk_OPENSSL_STRING_free(ssl_args);
2174 if (cctx)
2175 SSL_CONF_CTX_free(cctx);
2176 #ifndef OPENSSL_NO_JPAKE
2177 if (jpake_secret && psk_key)
2178 OPENSSL_free(psk_key);
2179 #endif
2180 if (bio_s_out != NULL)
2181 {
2182 BIO_free(bio_s_out);
2183 bio_s_out=NULL;
2184 }
2185 if (bio_s_msg != NULL)
2186 {
2187 BIO_free(bio_s_msg);
2188 bio_s_msg = NULL;
2189 }
2190 apps_shutdown();
2191 OPENSSL_EXIT(ret);
2192 }
2193
2194 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2195 {
2196 BIO_printf(bio,"%4ld items in the session cache\n",
2197 SSL_CTX_sess_number(ssl_ctx));
2198 BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2199 SSL_CTX_sess_connect(ssl_ctx));
2200 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2201 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2202 BIO_printf(bio,"%4ld client connects that finished\n",
2203 SSL_CTX_sess_connect_good(ssl_ctx));
2204 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2205 SSL_CTX_sess_accept(ssl_ctx));
2206 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2207 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2208 BIO_printf(bio,"%4ld server accepts that finished\n",
2209 SSL_CTX_sess_accept_good(ssl_ctx));
2210 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2211 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2212 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2213 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2214 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2215 SSL_CTX_sess_cache_full(ssl_ctx),
2216 SSL_CTX_sess_get_cache_size(ssl_ctx));
2217 }
2218
2219 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2220 {
2221 char *buf=NULL;
2222 fd_set readfds;
2223 int ret=1,width;
2224 int k,i;
2225 unsigned long l;
2226 SSL *con=NULL;
2227 BIO *sbio;
2228 #ifndef OPENSSL_NO_KRB5
2229 KSSL_CTX *kctx;
2230 #endif
2231 struct timeval timeout;
2232 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2233 struct timeval tv;
2234 #else
2235 struct timeval *timeoutp;
2236 #endif
2237
2238 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2239 {
2240 BIO_printf(bio_err,"out of memory\n");
2241 goto err;
2242 }
2243 #ifdef FIONBIO
2244 if (s_nbio)
2245 {
2246 unsigned long sl=1;
2247
2248 if (!s_quiet)
2249 BIO_printf(bio_err,"turning on non blocking io\n");
2250 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2251 ERR_print_errors(bio_err);
2252 }
2253 #endif
2254
2255 if (con == NULL) {
2256 con=SSL_new(ctx);
2257 #ifndef OPENSSL_NO_TLSEXT
2258 if (s_tlsextdebug)
2259 {
2260 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2261 SSL_set_tlsext_debug_arg(con, bio_s_out);
2262 }
2263 if (s_tlsextstatus)
2264 {
2265 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2266 tlscstatp.err = bio_err;
2267 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2268 }
2269 #endif
2270 #ifndef OPENSSL_NO_KRB5
2271 if ((kctx = kssl_ctx_new()) != NULL)
2272 {
2273 SSL_set0_kssl_ctx(con, kctx);
2274 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2275 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2276 }
2277 #endif /* OPENSSL_NO_KRB5 */
2278 if(context)
2279 SSL_set_session_id_context(con, context,
2280 strlen((char *)context));
2281 }
2282 SSL_clear(con);
2283 #if 0
2284 #ifdef TLSEXT_TYPE_opaque_prf_input
2285 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2286 #endif
2287 #endif
2288
2289 if (stype == SOCK_DGRAM)
2290 {
2291
2292 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2293
2294 if (enable_timeouts)
2295 {
2296 timeout.tv_sec = 0;
2297 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2298 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2299
2300 timeout.tv_sec = 0;
2301 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2302 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2303 }
2304
2305 if (socket_mtu)
2306 {
2307 if(socket_mtu < DTLS_get_link_min_mtu(con))
2308 {
2309 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
2310 DTLS_get_link_min_mtu(con));
2311 ret = -1;
2312 BIO_free(sbio);
2313 goto err;
2314 }
2315 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2316 if(!DTLS_set_link_mtu(con, socket_mtu))
2317 {
2318 BIO_printf(bio_err, "Failed to set MTU\n");
2319 ret = -1;
2320 BIO_free(sbio);
2321 goto err;
2322 }
2323 }
2324 else
2325 /* want to do MTU discovery */
2326 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2327
2328 /* turn on cookie exchange */
2329 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2330 }
2331 else
2332 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2333
2334 if (s_nbio_test)
2335 {
2336 BIO *test;
2337
2338 test=BIO_new(BIO_f_nbio_test());
2339 sbio=BIO_push(test,sbio);
2340 }
2341 #ifndef OPENSSL_NO_JPAKE
2342 if(jpake_secret)
2343 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2344 #endif
2345
2346 SSL_set_bio(con,sbio,sbio);
2347 SSL_set_accept_state(con);
2348 /* SSL_set_fd(con,s); */
2349
2350 if (s_debug)
2351 {
2352 SSL_set_debug(con, 1);
2353 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2354 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2355 }
2356 if (s_msg)
2357 {
2358 #ifndef OPENSSL_NO_SSL_TRACE
2359 if (s_msg == 2)
2360 SSL_set_msg_callback(con, SSL_trace);
2361 else
2362 #endif
2363 SSL_set_msg_callback(con, msg_cb);
2364 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2365 }
2366 #ifndef OPENSSL_NO_TLSEXT
2367 if (s_tlsextdebug)
2368 {
2369 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2370 SSL_set_tlsext_debug_arg(con, bio_s_out);
2371 }
2372 #endif
2373
2374 width=s+1;
2375 for (;;)
2376 {
2377 int read_from_terminal;
2378 int read_from_sslcon;
2379
2380 read_from_terminal = 0;
2381 read_from_sslcon = SSL_pending(con);
2382
2383 if (!read_from_sslcon)
2384 {
2385 FD_ZERO(&readfds);
2386 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2387 openssl_fdset(fileno(stdin),&readfds);
2388 #endif
2389 openssl_fdset(s,&readfds);
2390 /* Note: under VMS with SOCKETSHR the second parameter is
2391 * currently of type (int *) whereas under other systems
2392 * it is (void *) if you don't have a cast it will choke
2393 * the compiler: if you do have a cast then you can either
2394 * go for (int *) or (void *).
2395 */
2396 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2397 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2398 * on sockets. As a workaround we timeout the select every
2399 * second and check for any keypress. In a proper Windows
2400 * application we wouldn't do this because it is inefficient.
2401 */
2402 tv.tv_sec = 1;
2403 tv.tv_usec = 0;
2404 i=select(width,(void *)&readfds,NULL,NULL,&tv);
2405 if((i < 0) || (!i && !_kbhit() ) )continue;
2406 if(_kbhit())
2407 read_from_terminal = 1;
2408 #elif defined(OPENSSL_SYS_BEOS_R5)
2409 /* Under BeOS-R5 the situation is similar to DOS */
2410 tv.tv_sec = 1;
2411 tv.tv_usec = 0;
2412 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2413 i=select(width,(void *)&readfds,NULL,NULL,&tv);
2414 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2415 continue;
2416 if (read(fileno(stdin), buf, 0) >= 0)
2417 read_from_terminal = 1;
2418 (void)fcntl(fileno(stdin), F_SETFL, 0);
2419 #else
2420 if ((SSL_version(con) == DTLS1_VERSION) &&
2421 DTLSv1_get_timeout(con, &timeout))
2422 timeoutp = &timeout;
2423 else
2424 timeoutp = NULL;
2425
2426 i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2427
2428 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2429 {
2430 BIO_printf(bio_err,"TIMEOUT occurred\n");
2431 }
2432
2433 if (i <= 0) continue;
2434 if (FD_ISSET(fileno(stdin),&readfds))
2435 read_from_terminal = 1;
2436 #endif
2437 if (FD_ISSET(s,&readfds))
2438 read_from_sslcon = 1;
2439 }
2440 if (read_from_terminal)
2441 {
2442 if (s_crlf)
2443 {
2444 int j, lf_num;
2445
2446 i=raw_read_stdin(buf, bufsize/2);
2447 lf_num = 0;
2448 /* both loops are skipped when i <= 0 */
2449 for (j = 0; j < i; j++)
2450 if (buf[j] == '\n')
2451 lf_num++;
2452 for (j = i-1; j >= 0; j--)
2453 {
2454 buf[j+lf_num] = buf[j];
2455 if (buf[j] == '\n')
2456 {
2457 lf_num--;
2458 i++;
2459 buf[j+lf_num] = '\r';
2460 }
2461 }
2462 assert(lf_num == 0);
2463 }
2464 else
2465 i=raw_read_stdin(buf,bufsize);
2466 if (!s_quiet && !s_brief)
2467 {
2468 if ((i <= 0) || (buf[0] == 'Q'))
2469 {
2470 BIO_printf(bio_s_out,"DONE\n");
2471 SHUTDOWN(s);
2472 close_accept_socket();
2473 ret= -11;
2474 goto err;
2475 }
2476 if ((i <= 0) || (buf[0] == 'q'))
2477 {
2478 BIO_printf(bio_s_out,"DONE\n");
2479 if (SSL_version(con) != DTLS1_VERSION)
2480 SHUTDOWN(s);
2481 /* close_accept_socket();
2482 ret= -11;*/
2483 goto err;
2484 }
2485
2486 #ifndef OPENSSL_NO_HEARTBEATS
2487 if ((buf[0] == 'B') &&
2488 ((buf[1] == '\n') || (buf[1] == '\r')))
2489 {
2490 BIO_printf(bio_err,"HEARTBEATING\n");
2491 SSL_heartbeat(con);
2492 i=0;
2493 continue;
2494 }
2495 #endif
2496 if ((buf[0] == 'r') &&
2497 ((buf[1] == '\n') || (buf[1] == '\r')))
2498 {
2499 SSL_renegotiate(con);
2500 i=SSL_do_handshake(con);
2501 printf("SSL_do_handshake -> %d\n",i);
2502 i=0; /*13; */
2503 continue;
2504 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2505 }
2506 if ((buf[0] == 'R') &&
2507 ((buf[1] == '\n') || (buf[1] == '\r')))
2508 {
2509 SSL_set_verify(con,
2510 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2511 SSL_renegotiate(con);
2512 i=SSL_do_handshake(con);
2513 printf("SSL_do_handshake -> %d\n",i);
2514 i=0; /* 13; */
2515 continue;
2516 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2517 }
2518 if (buf[0] == 'P')
2519 {
2520 static const char *str="Lets print some clear text\n";
2521 BIO_write(SSL_get_wbio(con),str,strlen(str));
2522 }
2523 if (buf[0] == 'S')
2524 {
2525 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2526 }
2527 }
2528 #ifdef CHARSET_EBCDIC
2529 ebcdic2ascii(buf,buf,i);
2530 #endif
2531 l=k=0;
2532 for (;;)
2533 {
2534 /* should do a select for the write */
2535 #ifdef RENEG
2536 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2537 #endif
2538 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2539 #ifndef OPENSSL_NO_SRP
2540 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2541 {
2542 BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2543 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2544 if (srp_callback_parm.user)
2545 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2546 else
2547 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2548 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2549 }
2550 #endif
2551 switch (SSL_get_error(con,k))
2552 {
2553 case SSL_ERROR_NONE:
2554 break;
2555 case SSL_ERROR_WANT_WRITE:
2556 case SSL_ERROR_WANT_READ:
2557 case SSL_ERROR_WANT_X509_LOOKUP:
2558 BIO_printf(bio_s_out,"Write BLOCK\n");
2559 break;
2560 case SSL_ERROR_SYSCALL:
2561 case SSL_ERROR_SSL:
2562 BIO_printf(bio_s_out,"ERROR\n");
2563 ERR_print_errors(bio_err);
2564 ret=1;
2565 goto err;
2566 /* break; */
2567 case SSL_ERROR_ZERO_RETURN:
2568 BIO_printf(bio_s_out,"DONE\n");
2569 ret=1;
2570 goto err;
2571 }
2572 l+=k;
2573 i-=k;
2574 if (i <= 0) break;
2575 }
2576 }
2577 if (read_from_sslcon)
2578 {
2579 if (!SSL_is_init_finished(con))
2580 {
2581 i=init_ssl_connection(con);
2582
2583 if (i < 0)
2584 {
2585 ret=0;
2586 goto err;
2587 }
2588 else if (i == 0)
2589 {
2590 ret=1;
2591 goto err;
2592 }
2593 }
2594 else
2595 {
2596 again:
2597 i=SSL_read(con,(char *)buf,bufsize);
2598 #ifndef OPENSSL_NO_SRP
2599 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2600 {
2601 BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2602 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2603 if (srp_callback_parm.user)
2604 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2605 else
2606 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2607 i=SSL_read(con,(char *)buf,bufsize);
2608 }
2609 #endif
2610 switch (SSL_get_error(con,i))
2611 {
2612 case SSL_ERROR_NONE:
2613 #ifdef CHARSET_EBCDIC
2614 ascii2ebcdic(buf,buf,i);
2615 #endif
2616 raw_write_stdout(buf,
2617 (unsigned int)i);
2618 if (SSL_pending(con)) goto again;
2619 break;
2620 case SSL_ERROR_WANT_WRITE:
2621 case SSL_ERROR_WANT_READ:
2622 BIO_printf(bio_s_out,"Read BLOCK\n");
2623 break;
2624 case SSL_ERROR_SYSCALL:
2625 case SSL_ERROR_SSL:
2626 BIO_printf(bio_s_out,"ERROR\n");
2627 ERR_print_errors(bio_err);
2628 ret=1;
2629 goto err;
2630 case SSL_ERROR_ZERO_RETURN:
2631 BIO_printf(bio_s_out,"DONE\n");
2632 ret=1;
2633 goto err;
2634 }
2635 }
2636 }
2637 }
2638 err:
2639 if (con != NULL)
2640 {
2641 BIO_printf(bio_s_out,"shutting down SSL\n");
2642 #if 1
2643 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2644 #else
2645 SSL_shutdown(con);
2646 #endif
2647 SSL_free(con);
2648 }
2649 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2650 if (buf != NULL)
2651 {
2652 OPENSSL_cleanse(buf,bufsize);
2653 OPENSSL_free(buf);
2654 }
2655 if (ret >= 0)
2656 BIO_printf(bio_s_out,"ACCEPT\n");
2657 return(ret);
2658 }
2659
2660 static void close_accept_socket(void)
2661 {
2662 BIO_printf(bio_err,"shutdown accept socket\n");
2663 if (accept_socket >= 0)
2664 {
2665 SHUTDOWN2(accept_socket);
2666 }
2667 }
2668
2669 static int init_ssl_connection(SSL *con)
2670 {
2671 int i;
2672 const char *str;
2673 X509 *peer;
2674 long verify_error;
2675 MS_STATIC char buf[BUFSIZ];
2676 #ifndef OPENSSL_NO_KRB5
2677 char *client_princ;
2678 #endif
2679 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2680 const unsigned char *next_proto_neg;
2681 unsigned next_proto_neg_len;
2682 #endif
2683 unsigned char *exportedkeymat;
2684
2685
2686 i=SSL_accept(con);
2687 #ifdef CERT_CB_TEST_RETRY
2688 {
2689 while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C)
2690 {
2691 fprintf(stderr, "LOOKUP from certificate callback during accept\n");
2692 i=SSL_accept(con);
2693 }
2694 }
2695 #endif
2696 #ifndef OPENSSL_NO_SRP
2697 while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2698 {
2699 BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2700 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2701 if (srp_callback_parm.user)
2702 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2703 else
2704 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2705 i=SSL_accept(con);
2706 }
2707 #endif
2708
2709 if (i <= 0)
2710 {
2711 if (BIO_sock_should_retry(i))
2712 {
2713 BIO_printf(bio_s_out,"DELAY\n");
2714 return(1);
2715 }
2716
2717 BIO_printf(bio_err,"ERROR\n");
2718 verify_error=SSL_get_verify_result(con);
2719 if (verify_error != X509_V_OK)
2720 {
2721 BIO_printf(bio_err,"verify error:%s\n",
2722 X509_verify_cert_error_string(verify_error));
2723 }
2724 /* Always print any error messages */
2725 ERR_print_errors(bio_err);
2726 return(0);
2727 }
2728
2729 if (s_brief)
2730 print_ssl_summary(bio_err, con);
2731
2732 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2733
2734 peer=SSL_get_peer_certificate(con);
2735 if (peer != NULL)
2736 {
2737 BIO_printf(bio_s_out,"Client certificate\n");
2738 PEM_write_bio_X509(bio_s_out,peer);
2739 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2740 BIO_printf(bio_s_out,"subject=%s\n",buf);
2741 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2742 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2743 X509_free(peer);
2744 }
2745
2746 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2747 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2748 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2749 ssl_print_sigalgs(bio_s_out, con);
2750 #ifndef OPENSSL_NO_EC
2751 ssl_print_point_formats(bio_s_out, con);
2752 ssl_print_curves(bio_s_out, con, 0);
2753 #endif
2754 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2755
2756 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2757 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2758 if (next_proto_neg)
2759 {
2760 BIO_printf(bio_s_out,"NEXTPROTO is ");
2761 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2762 BIO_printf(bio_s_out, "\n");
2763 }
2764 #endif
2765 {
2766 SRTP_PROTECTION_PROFILE *srtp_profile
2767 = SSL_get_selected_srtp_profile(con);
2768
2769 if(srtp_profile)
2770 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2771 srtp_profile->name);
2772 }
2773 if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2774 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2775 TLS1_FLAGS_TLS_PADDING_BUG)
2776 BIO_printf(bio_s_out,
2777 "Peer has incorrect TLSv1 block padding\n");
2778 #ifndef OPENSSL_NO_KRB5
2779 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2780 if (client_princ != NULL)
2781 {
2782 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2783 client_princ);
2784 }
2785 #endif /* OPENSSL_NO_KRB5 */
2786 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2787 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2788 if (keymatexportlabel != NULL)
2789 {
2790 BIO_printf(bio_s_out, "Keying material exporter:\n");
2791 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2792 BIO_printf(bio_s_out, " Length: %i bytes\n",
2793 keymatexportlen);
2794 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2795 if (exportedkeymat != NULL)
2796 {
2797 if (!SSL_export_keying_material(con, exportedkeymat,
2798 keymatexportlen,
2799 keymatexportlabel,
2800 strlen(keymatexportlabel),
2801 NULL, 0, 0))
2802 {
2803 BIO_printf(bio_s_out, " Error\n");
2804 }
2805 else
2806 {
2807 BIO_printf(bio_s_out, " Keying material: ");
2808 for (i=0; i<keymatexportlen; i++)
2809 BIO_printf(bio_s_out, "%02X",
2810 exportedkeymat[i]);
2811 BIO_printf(bio_s_out, "\n");
2812 }
2813 OPENSSL_free(exportedkeymat);
2814 }
2815 }
2816
2817 return(1);
2818 }
2819
2820 #ifndef OPENSSL_NO_DH
2821 static DH *load_dh_param(const char *dhfile)
2822 {
2823 DH *ret=NULL;
2824 BIO *bio;
2825
2826 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2827 goto err;
2828 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2829 err:
2830 if (bio != NULL) BIO_free(bio);
2831 return(ret);
2832 }
2833 #endif
2834
2835 #if 0
2836 static int load_CA(SSL_CTX *ctx, char *file)
2837 {
2838 FILE *in;
2839 X509 *x=NULL;
2840
2841 if ((in=fopen(file,"r")) == NULL)
2842 return(0);
2843
2844 for (;;)
2845 {
2846 if (PEM_read_X509(in,&x,NULL) == NULL)
2847 break;
2848 SSL_CTX_add_client_CA(ctx,x);
2849 }
2850 if (x != NULL) X509_free(x);
2851 fclose(in);
2852 return(1);
2853 }
2854 #endif
2855
2856 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2857 {
2858 char *buf=NULL;
2859 int ret=1;
2860 int i,j,k,dot;
2861 SSL *con;
2862 const SSL_CIPHER *c;
2863 BIO *io,*ssl_bio,*sbio;
2864 #ifndef OPENSSL_NO_KRB5
2865 KSSL_CTX *kctx;
2866 #endif
2867
2868 buf=OPENSSL_malloc(bufsize);
2869 if (buf == NULL) return(0);
2870 io=BIO_new(BIO_f_buffer());
2871 ssl_bio=BIO_new(BIO_f_ssl());
2872 if ((io == NULL) || (ssl_bio == NULL)) goto err;
2873
2874 #ifdef FIONBIO
2875 if (s_nbio)
2876 {
2877 unsigned long sl=1;
2878
2879 if (!s_quiet)
2880 BIO_printf(bio_err,"turning on non blocking io\n");
2881 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2882 ERR_print_errors(bio_err);
2883 }
2884 #endif
2885
2886 /* lets make the output buffer a reasonable size */
2887 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2888
2889 if ((con=SSL_new(ctx)) == NULL) goto err;
2890 #ifndef OPENSSL_NO_TLSEXT
2891 if (s_tlsextdebug)
2892 {
2893 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2894 SSL_set_tlsext_debug_arg(con, bio_s_out);
2895 }
2896 #endif
2897 #ifndef OPENSSL_NO_KRB5
2898 if ((kctx = kssl_ctx_new()) != NULL)
2899 {
2900 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2901 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2902 }
2903 #endif /* OPENSSL_NO_KRB5 */
2904 if(context) SSL_set_session_id_context(con, context,
2905 strlen((char *)context));
2906
2907 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2908 if (s_nbio_test)
2909 {
2910 BIO *test;
2911
2912 test=BIO_new(BIO_f_nbio_test());
2913 sbio=BIO_push(test,sbio);
2914 }
2915 SSL_set_bio(con,sbio,sbio);
2916 SSL_set_accept_state(con);
2917
2918 /* SSL_set_fd(con,s); */
2919 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2920 BIO_push(io,ssl_bio);
2921 #ifdef CHARSET_EBCDIC
2922 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2923 #endif
2924
2925 if (s_debug)
2926 {
2927 SSL_set_debug(con, 1);
2928 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2929 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2930 }
2931 if (s_msg)
2932 {
2933 #ifndef OPENSSL_NO_SSL_TRACE
2934 if (s_msg == 2)
2935 SSL_set_msg_callback(con, SSL_trace);
2936 else
2937 #endif
2938 SSL_set_msg_callback(con, msg_cb);
2939 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2940 }
2941
2942 for (;;)
2943 {
2944 if (hack)
2945 {
2946 i=SSL_accept(con);
2947 #ifndef OPENSSL_NO_SRP
2948 while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2949 {
2950 BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2951 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2952 if (srp_callback_parm.user)
2953 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2954 else
2955 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2956 i=SSL_accept(con);
2957 }
2958 #endif
2959 switch (SSL_get_error(con,i))
2960 {
2961 case SSL_ERROR_NONE:
2962 break;
2963 case SSL_ERROR_WANT_WRITE:
2964 case SSL_ERROR_WANT_READ:
2965 case SSL_ERROR_WANT_X509_LOOKUP:
2966 continue;
2967 case SSL_ERROR_SYSCALL:
2968 case SSL_ERROR_SSL:
2969 case SSL_ERROR_ZERO_RETURN:
2970 ret=1;
2971 goto err;
2972 /* break; */
2973 }
2974
2975 SSL_renegotiate(con);
2976 SSL_write(con,NULL,0);
2977 }
2978
2979 i=BIO_gets(io,buf,bufsize-1);
2980 if (i < 0) /* error */
2981 {
2982 if (!BIO_should_retry(io))
2983 {
2984 if (!s_quiet)
2985 ERR_print_errors(bio_err);
2986 goto err;
2987 }
2988 else
2989 {
2990 BIO_printf(bio_s_out,"read R BLOCK\n");
2991 #if defined(OPENSSL_SYS_NETWARE)
2992 delay(1000);
2993 #elif !defined(OPENSSL_SYS_MSDOS)
2994 sleep(1);
2995 #endif
2996 continue;
2997 }
2998 }
2999 else if (i == 0) /* end of input */
3000 {
3001 ret=1;
3002 goto end;
3003 }
3004
3005 /* else we have data */
3006 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
3007 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
3008 {
3009 char *p;
3010 X509 *peer;
3011 STACK_OF(SSL_CIPHER) *sk;
3012 static const char *space=" ";
3013
3014 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
3015 {
3016 if (strncmp("GET /renegcert", buf, 14) == 0)
3017 SSL_set_verify(con,
3018 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
3019 i=SSL_renegotiate(con);
3020 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
3021 i=SSL_do_handshake(con);
3022 if (i <= 0)
3023 {
3024 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
3025 ERR_print_errors(bio_err);
3026 goto err;
3027 }
3028 /* EVIL HACK! */
3029 SSL_set_state(con, SSL_ST_ACCEPT);
3030 i=SSL_do_handshake(con);
3031 BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
3032 if (i <= 0)
3033 {
3034 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
3035 ERR_print_errors(bio_err);
3036 goto err;
3037 }
3038 }
3039
3040 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3041 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3042 BIO_puts(io,"<pre>\n");
3043 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
3044 BIO_puts(io,"\n");
3045 for (i=0; i<local_argc; i++)
3046 {
3047 BIO_puts(io,local_argv[i]);
3048 BIO_write(io," ",1);
3049 }
3050 BIO_puts(io,"\n");
3051
3052 BIO_printf(io,
3053 "Secure Renegotiation IS%s supported\n",
3054 SSL_get_secure_renegotiation_support(con) ?
3055 "" : " NOT");
3056
3057 /* The following is evil and should not really
3058 * be done */
3059 BIO_printf(io,"Ciphers supported in s_server binary\n");
3060 sk=SSL_get_ciphers(con);
3061 j=sk_SSL_CIPHER_num(sk);
3062 for (i=0; i<j; i++)
3063 {
3064 c=sk_SSL_CIPHER_value(sk,i);
3065 BIO_printf(io,"%-11s:%-25s",
3066 SSL_CIPHER_get_version(c),
3067 SSL_CIPHER_get_name(c));
3068 if ((((i+1)%2) == 0) && (i+1 != j))
3069 BIO_puts(io,"\n");
3070 }
3071 BIO_puts(io,"\n");
3072 p=SSL_get_shared_ciphers(con,buf,bufsize);
3073 if (p != NULL)
3074 {
3075 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
3076 j=i=0;
3077 while (*p)
3078 {
3079 if (*p == ':')
3080 {
3081 BIO_write(io,space,26-j);
3082 i++;
3083 j=0;
3084 BIO_write(io,((i%3)?" ":"\n"),1);
3085 }
3086 else
3087 {
3088 BIO_write(io,p,1);
3089 j++;
3090 }
3091 p++;
3092 }
3093 BIO_puts(io,"\n");
3094 }
3095 ssl_print_sigalgs(io, con);
3096 #ifndef OPENSSL_NO_EC
3097 ssl_print_curves(io, con, 0);
3098 #endif
3099 BIO_printf(io,(SSL_cache_hit(con)
3100 ?"---\nReused, "
3101 :"---\nNew, "));
3102 c=SSL_get_current_cipher(con);
3103 BIO_printf(io,"%s, Cipher is %s\n",
3104 SSL_CIPHER_get_version(c),
3105 SSL_CIPHER_get_name(c));
3106 SSL_SESSION_print(io,SSL_get_session(con));
3107 BIO_printf(io,"---\n");
3108 print_stats(io,SSL_get_SSL_CTX(con));
3109 BIO_printf(io,"---\n");
3110 peer=SSL_get_peer_certificate(con);
3111 if (peer != NULL)
3112 {
3113 BIO_printf(io,"Client certificate\n");
3114 X509_print(io,peer);
3115 PEM_write_bio_X509(io,peer);
3116 }
3117 else
3118 BIO_puts(io,"no client certificate available\n");
3119 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3120 break;
3121 }
3122 else if ((www == 2 || www == 3)
3123 && (strncmp("GET /",buf,5) == 0))
3124 {
3125 BIO *file;
3126 char *p,*e;
3127 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3128
3129 /* skip the '/' */
3130 p= &(buf[5]);
3131
3132 dot = 1;
3133 for (e=p; *e != '\0'; e++)
3134 {
3135 if (e[0] == ' ')
3136 break;
3137
3138 switch (dot)
3139 {
3140 case 1:
3141 dot = (e[0] == '.') ? 2 : 0;
3142 break;
3143 case 2:
3144 dot = (e[0] == '.') ? 3 : 0;
3145 break;
3146 case 3:
3147 dot = (e[0] == '/') ? -1 : 0;
3148 break;
3149 }
3150 if (dot == 0)
3151 dot = (e[0] == '/') ? 1 : 0;
3152 }
3153 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3154
3155 if (*e == '\0')
3156 {
3157 BIO_puts(io,text);
3158 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3159 break;
3160 }
3161 *e='\0';
3162
3163 if (dot)
3164 {
3165 BIO_puts(io,text);
3166 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3167 break;
3168 }
3169
3170 if (*p == '/')
3171 {
3172 BIO_puts(io,text);
3173 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3174 break;
3175 }
3176
3177 #if 0
3178 /* append if a directory lookup */
3179 if (e[-1] == '/')
3180 strcat(p,"index.html");
3181 #endif
3182
3183 /* if a directory, do the index thang */
3184 if (app_isdir(p)>0)
3185 {
3186 #if 0 /* must check buffer size */
3187 strcat(p,"/index.html");
3188 #else
3189 BIO_puts(io,text);
3190 BIO_printf(io,"'%s' is a directory\r\n",p);
3191 break;
3192 #endif
3193 }
3194
3195 if ((file=BIO_new_file(p,"r")) == NULL)
3196 {
3197 BIO_puts(io,text);
3198 BIO_printf(io,"Error opening '%s'\r\n",p);
3199 ERR_print_errors(io);
3200 break;
3201 }
3202
3203 if (!s_quiet)
3204 BIO_printf(bio_err,"FILE:%s\n",p);
3205
3206 if (www == 2)
3207 {
3208 i=strlen(p);
3209 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3210 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3211 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3212 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3213 else
3214 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3215 }
3216 /* send the file */
3217 for (;;)
3218 {
3219 i=BIO_read(file,buf,bufsize);
3220 if (i <= 0) break;
3221
3222 #ifdef RENEG
3223 total_bytes+=i;
3224 fprintf(stderr,"%d\n",i);
3225 if (total_bytes > 3*1024)
3226 {
3227 total_bytes=0;
3228 fprintf(stderr,"RENEGOTIATE\n");
3229 SSL_renegotiate(con);
3230 }
3231 #endif
3232
3233 for (j=0; j<i; )
3234 {
3235 #ifdef RENEG
3236 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3237 #endif
3238 k=BIO_write(io,&(buf[j]),i-j);
3239 if (k <= 0)
3240 {
3241 if (!BIO_should_retry(io))
3242 goto write_error;
3243 else
3244 {
3245 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3246 }
3247 }
3248 else
3249 {
3250 j+=k;
3251 }
3252 }
3253 }
3254 write_error:
3255 BIO_free(file);
3256 break;
3257 }
3258 }
3259
3260 for (;;)
3261 {
3262 i=(int)BIO_flush(io);
3263 if (i <= 0)
3264 {
3265 if (!BIO_should_retry(io))
3266 break;
3267 }
3268 else
3269 break;
3270 }
3271 end:
3272 #if 1
3273 /* make sure we re-use sessions */
3274 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3275 #else
3276 /* This kills performance */
3277 /* SSL_shutdown(con); A shutdown gets sent in the
3278 * BIO_free_all(io) procession */
3279 #endif
3280
3281 err:
3282
3283 if (ret >= 0)
3284 BIO_printf(bio_s_out,"ACCEPT\n");
3285
3286 if (buf != NULL) OPENSSL_free(buf);
3287 if (io != NULL) BIO_free_all(io);
3288 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3289 return(ret);
3290 }
3291
3292 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3293 {
3294 char *buf=NULL;
3295 int i;
3296 int ret=1;
3297 SSL *con;
3298 BIO *io,*ssl_bio,*sbio;
3299 #ifndef OPENSSL_NO_KRB5
3300 KSSL_CTX *kctx;
3301 #endif
3302
3303 buf=OPENSSL_malloc(bufsize);
3304 if (buf == NULL) return(0);
3305 io=BIO_new(BIO_f_buffer());
3306 ssl_bio=BIO_new(BIO_f_ssl());
3307 if ((io == NULL) || (ssl_bio == NULL)) goto err;
3308
3309 /* lets make the output buffer a reasonable size */
3310 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3311
3312 if ((con=SSL_new(ctx)) == NULL) goto err;
3313 #ifndef OPENSSL_NO_TLSEXT
3314 if (s_tlsextdebug)
3315 {
3316 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3317 SSL_set_tlsext_debug_arg(con, bio_s_out);
3318 }
3319 #endif
3320 #ifndef OPENSSL_NO_KRB5
3321 if ((kctx = kssl_ctx_new()) != NULL)
3322 {
3323 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3324 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3325 }
3326 #endif /* OPENSSL_NO_KRB5 */
3327 if(context) SSL_set_session_id_context(con, context,
3328 strlen((char *)context));
3329
3330 sbio=BIO_new_socket(s,BIO_NOCLOSE);
3331 SSL_set_bio(con,sbio,sbio);
3332 SSL_set_accept_state(con);
3333
3334 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3335 BIO_push(io,ssl_bio);
3336 #ifdef CHARSET_EBCDIC
3337 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3338 #endif
3339
3340 if (s_debug)
3341 {
3342 SSL_set_debug(con, 1);
3343 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3344 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3345 }
3346 if (s_msg)
3347 {
3348 #ifndef OPENSSL_NO_SSL_TRACE
3349 if (s_msg == 2)
3350 SSL_set_msg_callback(con, SSL_trace);
3351 else
3352 #endif
3353 SSL_set_msg_callback(con, msg_cb);
3354 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3355 }
3356
3357 for (;;)
3358 {
3359 i = BIO_do_handshake(io);
3360 if (i > 0)
3361 break;
3362 if (!BIO_should_retry(io))
3363 {
3364 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3365 ERR_print_errors(bio_err);
3366 goto end;
3367 }
3368 }
3369 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3370 print_ssl_summary(bio_err, con);
3371
3372 for (;;)
3373 {
3374 i=BIO_gets(io,buf,bufsize-1);
3375 if (i < 0) /* error */
3376 {
3377 if (!BIO_should_retry(io))
3378 {
3379 if (!s_quiet)
3380 ERR_print_errors(bio_err);
3381 goto err;
3382 }
3383 else
3384 {
3385 BIO_printf(bio_s_out,"read R BLOCK\n");
3386 #if defined(OPENSSL_SYS_NETWARE)
3387 delay(1000);
3388 #elif !defined(OPENSSL_SYS_MSDOS)
3389 sleep(1);
3390 #endif
3391 continue;
3392 }
3393 }
3394 else if (i == 0) /* end of input */
3395 {
3396 ret=1;
3397 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3398 goto end;
3399 }
3400 else
3401 {
3402 char *p = buf + i - 1;
3403 while(i && (*p == '\n' || *p == '\r'))
3404 {
3405 p--;
3406 i--;
3407 }
3408 if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3409 {
3410 ret = 1;
3411 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3412 goto end;
3413 }
3414 BUF_reverse((unsigned char *)buf, NULL, i);
3415 buf[i] = '\n';
3416 BIO_write(io, buf, i + 1);
3417 for (;;)
3418 {
3419 i = BIO_flush(io);
3420 if (i > 0)
3421 break;
3422 if (!BIO_should_retry(io))
3423 goto end;
3424 }
3425 }
3426 }
3427 end:
3428 /* make sure we re-use sessions */
3429 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3430
3431 err:
3432
3433 if (buf != NULL) OPENSSL_free(buf);
3434 if (io != NULL) BIO_free_all(io);
3435 return(ret);
3436 }
3437
3438 #ifndef OPENSSL_NO_RSA
3439 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3440 {
3441 BIGNUM *bn = NULL;
3442 static RSA *rsa_tmp=NULL;
3443
3444 if (!rsa_tmp && ((bn = BN_new()) == NULL))
3445 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3446 if (!rsa_tmp && bn)
3447 {
3448 if (!s_quiet)
3449 {
3450 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3451 (void)BIO_flush(bio_err);
3452 }
3453 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3454 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3455 {
3456 if(rsa_tmp) RSA_free(rsa_tmp);
3457 rsa_tmp = NULL;
3458 }
3459 if (!s_quiet)
3460 {
3461 BIO_printf(bio_err,"\n");
3462 (void)BIO_flush(bio_err);
3463 }
3464 BN_free(bn);
3465 }
3466 return(rsa_tmp);
3467 }
3468 #endif
3469
3470 #define MAX_SESSION_ID_ATTEMPTS 10
3471 static int generate_session_id(const SSL *ssl, unsigned char *id,
3472 unsigned int *id_len)
3473 {
3474 unsigned int count = 0;
3475 do {
3476 RAND_pseudo_bytes(id, *id_len);
3477 /* Prefix the session_id with the required prefix. NB: If our
3478 * prefix is too long, clip it - but there will be worse effects
3479 * anyway, eg. the server could only possibly create 1 session
3480 * ID (ie. the prefix!) so all future session negotiations will
3481 * fail due to conflicts. */
3482 memcpy(id, session_id_prefix,
3483 (strlen(session_id_prefix) < *id_len) ?
3484 strlen(session_id_prefix) : *id_len);
3485 }
3486 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3487 (++count < MAX_SESSION_ID_ATTEMPTS));
3488 if(count >= MAX_SESSION_ID_ATTEMPTS)
3489 return 0;
3490 return 1;
3491 }
3492
3493 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3494 * structures without any serialisation. This hides some bugs which only
3495 * become apparent in deployed servers. By implementing a basic external
3496 * session cache some issues can be debugged using s_server.
3497 */
3498
3499 typedef struct simple_ssl_session_st
3500 {
3501 unsigned char *id;
3502 unsigned int idlen;
3503 unsigned char *der;
3504 int derlen;
3505 struct simple_ssl_session_st *next;
3506 } simple_ssl_session;
3507
3508 static simple_ssl_session *first = NULL;
3509
3510 static int add_session(SSL *ssl, SSL_SESSION *session)
3511 {
3512 simple_ssl_session *sess;
3513 unsigned char *p;
3514
3515 sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3516
3517 SSL_SESSION_get_id(session, &sess->idlen);
3518 sess->derlen = i2d_SSL_SESSION(session, NULL);
3519
3520 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3521
3522 sess->der = OPENSSL_malloc(sess->derlen);
3523 p = sess->der;
3524 i2d_SSL_SESSION(session, &p);
3525
3526 sess->next = first;
3527 first = sess;
3528 BIO_printf(bio_err, "New session added to external cache\n");
3529 return 0;
3530 }
3531
3532 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3533 int *do_copy)
3534 {
3535 simple_ssl_session *sess;
3536 *do_copy = 0;
3537 for (sess = first; sess; sess = sess->next)
3538 {
3539 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3540 {
3541 const unsigned char *p = sess->der;
3542 BIO_printf(bio_err, "Lookup session: cache hit\n");
3543 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3544 }
3545 }
3546 BIO_printf(bio_err, "Lookup session: cache miss\n");
3547 return NULL;
3548 }
3549
3550 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3551 {
3552 simple_ssl_session *sess, *prev = NULL;
3553 const unsigned char *id;
3554 unsigned int idlen;
3555 id = SSL_SESSION_get_id(session, &idlen);
3556 for (sess = first; sess; sess = sess->next)
3557 {
3558 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3559 {
3560 if(prev)
3561 prev->next = sess->next;
3562 else
3563 first = sess->next;
3564 OPENSSL_free(sess->id);
3565 OPENSSL_free(sess->der);
3566 OPENSSL_free(sess);
3567 return;
3568 }
3569 prev = sess;
3570 }
3571 }
3572
3573 static void init_session_cache_ctx(SSL_CTX *sctx)
3574 {
3575 SSL_CTX_set_session_cache_mode(sctx,
3576 SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3577 SSL_CTX_sess_set_new_cb(sctx, add_session);
3578 SSL_CTX_sess_set_get_cb(sctx, get_session);
3579 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3580 }
3581
3582 static void free_sessions(void)
3583 {
3584 simple_ssl_session *sess, *tsess;
3585 for (sess = first; sess;)
3586 {
3587 OPENSSL_free(sess->id);
3588 OPENSSL_free(sess->der);
3589 tsess = sess;
3590 sess = sess->next;
3591 OPENSSL_free(tsess);
3592 }
3593 first = NULL;
3594 }
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