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 /*
144 * Until the key-gen callbacks are modified to use newer prototypes, we allow
145 * deprecated functions for openssl-internal code
146 */
147 #ifdef OPENSSL_NO_DEPRECATED
148 # undef OPENSSL_NO_DEPRECATED
149 #endif
150
151 #include <assert.h>
152 #include <ctype.h>
153 #include <stdio.h>
154 #include <stdlib.h>
155 #include <string.h>
156
157 #include <openssl/e_os2.h>
158 #ifdef OPENSSL_NO_STDIO
159 # define APPS_WIN16
160 #endif
161
162 /* conflicts with winsock2 stuff on netware */
163 #if !defined(OPENSSL_SYS_NETWARE)
164 # include <sys/types.h>
165 #endif
166
167 /*
168 * With IPv6, it looks like Digital has mixed up the proper order of
169 * recursive header file inclusion, resulting in the compiler complaining
170 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
171 * needed to have fileno() declared correctly... So let's define u_int
172 */
173 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
174 # define __U_INT
175 typedef unsigned int u_int;
176 #endif
177
178 #include <openssl/lhash.h>
179 #include <openssl/bn.h>
180 #define USE_SOCKETS
181 #include "apps.h"
182 #include <openssl/err.h>
183 #include <openssl/pem.h>
184 #include <openssl/x509.h>
185 #include <openssl/ssl.h>
186 #include <openssl/rand.h>
187 #include <openssl/ocsp.h>
188 #ifndef OPENSSL_NO_DH
189 # include <openssl/dh.h>
190 #endif
191 #ifndef OPENSSL_NO_RSA
192 # include <openssl/rsa.h>
193 #endif
194 #ifndef OPENSSL_NO_SRP
195 # include <openssl/srp.h>
196 #endif
197 #include "s_apps.h"
198 #include "timeouts.h"
199
200 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
201 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
202 # undef FIONBIO
203 #endif
204
205 #if defined(OPENSSL_SYS_BEOS_R5)
206 # include <fcntl.h>
207 #endif
208
209 #ifndef OPENSSL_NO_RSA
210 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
211 #endif
212 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
213 static int www_body(char *hostname, int s, int stype, unsigned char *context);
214 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
215 static void close_accept_socket(void);
216 static void sv_usage(void);
217 static int init_ssl_connection(SSL *s);
218 static void print_stats(BIO *bp, SSL_CTX *ctx);
219 static int generate_session_id(const SSL *ssl, unsigned char *id,
220 unsigned int *id_len);
221 static void init_session_cache_ctx(SSL_CTX *sctx);
222 static void free_sessions(void);
223 #ifndef OPENSSL_NO_DH
224 static DH *load_dh_param(const char *dhfile);
225 static DH *get_dh2048(void);
226 #endif
227
228 #ifdef MONOLITH
229 static void s_server_init(void);
230 #endif
231
232 #ifndef OPENSSL_NO_DH
233 static unsigned char dh2048_p[] = {
234 0xF6,0x42,0x57,0xB7,0x08,0x7F,0x08,0x17,0x72,0xA2,0xBA,0xD6,
235 0xA9,0x42,0xF3,0x05,0xE8,0xF9,0x53,0x11,0x39,0x4F,0xB6,0xF1,
236 0x6E,0xB9,0x4B,0x38,0x20,0xDA,0x01,0xA7,0x56,0xA3,0x14,0xE9,
237 0x8F,0x40,0x55,0xF3,0xD0,0x07,0xC6,0xCB,0x43,0xA9,0x94,0xAD,
238 0xF7,0x4C,0x64,0x86,0x49,0xF8,0x0C,0x83,0xBD,0x65,0xE9,0x17,
239 0xD4,0xA1,0xD3,0x50,0xF8,0xF5,0x59,0x5F,0xDC,0x76,0x52,0x4F,
240 0x3D,0x3D,0x8D,0xDB,0xCE,0x99,0xE1,0x57,0x92,0x59,0xCD,0xFD,
241 0xB8,0xAE,0x74,0x4F,0xC5,0xFC,0x76,0xBC,0x83,0xC5,0x47,0x30,
242 0x61,0xCE,0x7C,0xC9,0x66,0xFF,0x15,0xF9,0xBB,0xFD,0x91,0x5E,
243 0xC7,0x01,0xAA,0xD3,0x5B,0x9E,0x8D,0xA0,0xA5,0x72,0x3A,0xD4,
244 0x1A,0xF0,0xBF,0x46,0x00,0x58,0x2B,0xE5,0xF4,0x88,0xFD,0x58,
245 0x4E,0x49,0xDB,0xCD,0x20,0xB4,0x9D,0xE4,0x91,0x07,0x36,0x6B,
246 0x33,0x6C,0x38,0x0D,0x45,0x1D,0x0F,0x7C,0x88,0xB3,0x1C,0x7C,
247 0x5B,0x2D,0x8E,0xF6,0xF3,0xC9,0x23,0xC0,0x43,0xF0,0xA5,0x5B,
248 0x18,0x8D,0x8E,0xBB,0x55,0x8C,0xB8,0x5D,0x38,0xD3,0x34,0xFD,
249 0x7C,0x17,0x57,0x43,0xA3,0x1D,0x18,0x6C,0xDE,0x33,0x21,0x2C,
250 0xB5,0x2A,0xFF,0x3C,0xE1,0xB1,0x29,0x40,0x18,0x11,0x8D,0x7C,
251 0x84,0xA7,0x0A,0x72,0xD6,0x86,0xC4,0x03,0x19,0xC8,0x07,0x29,
252 0x7A,0xCA,0x95,0x0C,0xD9,0x96,0x9F,0xAB,0xD0,0x0A,0x50,0x9B,
253 0x02,0x46,0xD3,0x08,0x3D,0x66,0xA4,0x5D,0x41,0x9F,0x9C,0x7C,
254 0xBD,0x89,0x4B,0x22,0x19,0x26,0xBA,0xAB,0xA2,0x5E,0xC3,0x55,
255 0xE9,0x32,0x0B,0x3B,
256 };
257
258 static unsigned char dh2048_g[] = {
259 0x02,
260 };
261
get_dh2048()262 DH *get_dh2048()
263 {
264 DH *dh;
265
266 if ((dh = DH_new()) == NULL)
267 return NULL;
268 dh->p=BN_bin2bn(dh2048_p, sizeof(dh2048_p), NULL);
269 dh->g=BN_bin2bn(dh2048_g, sizeof(dh2048_g), NULL);
270 if (dh->p == NULL || dh->g == NULL) {
271 DH_free(dh);
272 return NULL;
273 }
274 return dh;
275 }
276 #endif
277
278 /* static int load_CA(SSL_CTX *ctx, char *file);*/
279
280 #undef BUFSIZZ
281 #define BUFSIZZ 16*1024
282 static int bufsize = BUFSIZZ;
283 static int accept_socket = -1;
284
285 #define TEST_CERT "server.pem"
286 #ifndef OPENSSL_NO_TLSEXT
287 # define TEST_CERT2 "server2.pem"
288 #endif
289 #undef PROG
290 #define PROG s_server_main
291
292 extern int verify_depth, verify_return_error, verify_quiet;
293
294 static int s_server_verify = SSL_VERIFY_NONE;
295 static int s_server_session_id_context = 1; /* anything will do */
296 static const char *s_cert_file = TEST_CERT, *s_key_file =
297 NULL, *s_chain_file = NULL;
298 #ifndef OPENSSL_NO_TLSEXT
299 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
300 #endif
301 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
302 #ifdef FIONBIO
303 static int s_nbio = 0;
304 #endif
305 static int s_nbio_test = 0;
306 int s_crlf = 0;
307 static SSL_CTX *ctx = NULL;
308 #ifndef OPENSSL_NO_TLSEXT
309 static SSL_CTX *ctx2 = NULL;
310 #endif
311 static int www = 0;
312
313 static BIO *bio_s_out = NULL;
314 static BIO *bio_s_msg = NULL;
315 static int s_debug = 0;
316 #ifndef OPENSSL_NO_TLSEXT
317 static int s_tlsextdebug = 0;
318 static int s_tlsextstatus = 0;
319 static int cert_status_cb(SSL *s, void *arg);
320 #endif
321 static int no_resume_ephemeral = 0;
322 static int s_msg = 0;
323 static int s_quiet = 0;
324 static int s_ign_eof = 0;
325 static int s_brief = 0;
326
327 static char *keymatexportlabel = NULL;
328 static int keymatexportlen = 20;
329
330 static int hack = 0;
331 static char *engine_id = NULL;
332 static const char *session_id_prefix = NULL;
333
334 static int enable_timeouts = 0;
335 static long socket_mtu;
336 #ifndef OPENSSL_NO_DTLS1
337 static int cert_chain = 0;
338 #endif
339
340 #ifndef OPENSSL_NO_TLSEXT
341 static BIO *serverinfo_in = NULL;
342 static const char *s_serverinfo_file = NULL;
343
344 #endif
345
346 #ifndef OPENSSL_NO_PSK
347 static char *psk_identity = "Client_identity";
348 char *psk_key = NULL; /* by default PSK is not used */
349
psk_server_cb(SSL * ssl,const char * identity,unsigned char * psk,unsigned int max_psk_len)350 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
351 unsigned char *psk,
352 unsigned int max_psk_len)
353 {
354 long key_len = 0;
355 unsigned char *key;
356
357 if (s_debug)
358 BIO_printf(bio_s_out, "psk_server_cb\n");
359 if (!identity) {
360 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
361 goto out_err;
362 }
363 if (s_debug)
364 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
365 (int)strlen(identity), identity);
366
367 /* here we could lookup the given identity e.g. from a database */
368 if (strcmp(identity, psk_identity) != 0) {
369 BIO_printf(bio_s_out, "PSK error: client identity not found"
370 " (got '%s' expected '%s')\n", identity, psk_identity);
371 goto out_err;
372 }
373 if (s_debug)
374 BIO_printf(bio_s_out, "PSK client identity found\n");
375
376 /* convert the PSK key to binary */
377 key = string_to_hex(psk_key, &key_len);
378 if (key == NULL) {
379 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
380 psk_key);
381 return 0;
382 }
383 if (key_len > (int)max_psk_len) {
384 BIO_printf(bio_err,
385 "psk buffer of callback is too small (%d) for key (%ld)\n",
386 max_psk_len, key_len);
387 OPENSSL_free(key);
388 return 0;
389 }
390
391 memcpy(psk, key, key_len);
392 OPENSSL_free(key);
393
394 if (s_debug)
395 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
396 return key_len;
397 out_err:
398 if (s_debug)
399 BIO_printf(bio_err, "Error in PSK server callback\n");
400 return 0;
401 }
402 #endif
403
404 #ifndef OPENSSL_NO_SRP
405 /* This is a context that we pass to callbacks */
406 typedef struct srpsrvparm_st {
407 char *login;
408 SRP_VBASE *vb;
409 SRP_user_pwd *user;
410 } srpsrvparm;
411
412 /*
413 * This callback pretends to require some asynchronous logic in order to
414 * obtain a verifier. When the callback is called for a new connection we
415 * return with a negative value. This will provoke the accept etc to return
416 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
417 * (which would normally occur after a worker has finished) and we set the
418 * user parameters.
419 */
ssl_srp_server_param_cb(SSL * s,int * ad,void * arg)420 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
421 {
422 srpsrvparm *p = (srpsrvparm *) arg;
423 int ret = SSL3_AL_FATAL;
424
425 if (p->login == NULL && p->user == NULL) {
426 p->login = SSL_get_srp_username(s);
427 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
428 return (-1);
429 }
430
431 if (p->user == NULL) {
432 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
433 goto err;
434 }
435
436 if (SSL_set_srp_server_param
437 (s, p->user->N, p->user->g, p->user->s, p->user->v,
438 p->user->info) < 0) {
439 *ad = SSL_AD_INTERNAL_ERROR;
440 goto err;
441 }
442 BIO_printf(bio_err,
443 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
444 p->login, p->user->info);
445 ret = SSL_ERROR_NONE;
446
447 err:
448 SRP_user_pwd_free(p->user);
449 p->user = NULL;
450 p->login = NULL;
451 return ret;
452 }
453
454 #endif
455
456 #ifdef MONOLITH
s_server_init(void)457 static void s_server_init(void)
458 {
459 accept_socket = -1;
460 s_server_verify = SSL_VERIFY_NONE;
461 s_dcert_file = NULL;
462 s_dkey_file = NULL;
463 s_dchain_file = NULL;
464 s_cert_file = TEST_CERT;
465 s_key_file = NULL;
466 s_chain_file = NULL;
467 # ifndef OPENSSL_NO_TLSEXT
468 s_cert_file2 = TEST_CERT2;
469 s_key_file2 = NULL;
470 ctx2 = NULL;
471 # endif
472 # ifdef FIONBIO
473 s_nbio = 0;
474 # endif
475 s_nbio_test = 0;
476 ctx = NULL;
477 www = 0;
478
479 bio_s_out = NULL;
480 s_debug = 0;
481 s_msg = 0;
482 s_quiet = 0;
483 s_brief = 0;
484 hack = 0;
485 engine_id = NULL;
486 }
487 #endif
488
sv_usage(void)489 static void sv_usage(void)
490 {
491 BIO_printf(bio_err, "usage: s_server [args ...]\n");
492 BIO_printf(bio_err, "\n");
493 BIO_printf(bio_err,
494 " -accept arg - port to accept on (default is %d)\n", PORT);
495 BIO_printf(bio_err,
496 " -verify_hostname host - check peer certificate matches \"host\"\n");
497 BIO_printf(bio_err,
498 " -verify_email email - check peer certificate matches \"email\"\n");
499 BIO_printf(bio_err,
500 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n");
501 BIO_printf(bio_err, " -context arg - set session ID context\n");
502 BIO_printf(bio_err,
503 " -verify arg - turn on peer certificate verification\n");
504 BIO_printf(bio_err,
505 " -Verify arg - turn on peer certificate verification, must have a cert.\n");
506 BIO_printf(bio_err,
507 " -verify_return_error - return verification errors\n");
508 BIO_printf(bio_err, " -cert arg - certificate file to use\n");
509 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT);
510 #ifndef OPENSSL_NO_TLSEXT
511 BIO_printf(bio_err,
512 " -serverinfo arg - PEM serverinfo file for certificate\n");
513 BIO_printf(bio_err,
514 " -auth - send and receive RFC 5878 TLS auth extensions and supplemental data\n");
515 BIO_printf(bio_err,
516 " -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n");
517 #endif
518 BIO_printf(bio_err,
519 " -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
520 BIO_printf(bio_err,
521 " -crl_check - check the peer certificate has not been revoked by its CA.\n"
522 " The CRL(s) are appended to the certificate file\n");
523 BIO_printf(bio_err,
524 " -crl_check_all - check the peer certificate has not been revoked by its CA\n"
525 " or any other CRL in the CA chain. CRL(s) are appened to the\n"
526 " the certificate file.\n");
527 BIO_printf(bio_err,
528 " -certform arg - certificate format (PEM or DER) PEM default\n");
529 BIO_printf(bio_err,
530 " -key arg - Private Key file to use, in cert file if\n");
531 BIO_printf(bio_err, " not specified (default is %s)\n",
532 TEST_CERT);
533 BIO_printf(bio_err,
534 " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
535 BIO_printf(bio_err,
536 " -pass arg - private key file pass phrase source\n");
537 BIO_printf(bio_err,
538 " -dcert arg - second certificate file to use (usually for DSA)\n");
539 BIO_printf(bio_err,
540 " -dcertform x - second certificate format (PEM or DER) PEM default\n");
541 BIO_printf(bio_err,
542 " -dkey arg - second private key file to use (usually for DSA)\n");
543 BIO_printf(bio_err,
544 " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
545 BIO_printf(bio_err,
546 " -dpass arg - second private key file pass phrase source\n");
547 BIO_printf(bio_err,
548 " -dhparam arg - DH parameter file to use, in cert file if not specified\n");
549 BIO_printf(bio_err,
550 " or a default set of parameters is used\n");
551 #ifndef OPENSSL_NO_ECDH
552 BIO_printf(bio_err,
553 " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n"
554 " Use \"openssl ecparam -list_curves\" for all names\n"
555 " (default is nistp256).\n");
556 #endif
557 #ifdef FIONBIO
558 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
559 #endif
560 BIO_printf(bio_err,
561 " -nbio_test - test with the non-blocking test bio\n");
562 BIO_printf(bio_err,
563 " -crlf - convert LF from terminal into CRLF\n");
564 BIO_printf(bio_err, " -debug - Print more output\n");
565 BIO_printf(bio_err, " -msg - Show protocol messages\n");
566 BIO_printf(bio_err, " -state - Print the SSL states\n");
567 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
568 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
569 BIO_printf(bio_err,
570 " -no_alt_chains - only ever use the first certificate chain found\n");
571 BIO_printf(bio_err,
572 " -nocert - Don't use any certificates (Anon-DH)\n");
573 BIO_printf(bio_err,
574 " -cipher arg - play with 'openssl ciphers' to see what goes here\n");
575 BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n");
576 BIO_printf(bio_err, " -quiet - No server output\n");
577 BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n");
578 #ifndef OPENSSL_NO_PSK
579 BIO_printf(bio_err, " -psk_hint arg - PSK identity hint to use\n");
580 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n");
581 # ifndef OPENSSL_NO_JPAKE
582 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n");
583 # endif
584 #endif
585 #ifndef OPENSSL_NO_SRP
586 BIO_printf(bio_err, " -srpvfile file - The verifier file for SRP\n");
587 BIO_printf(bio_err,
588 " -srpuserseed string - A seed string for a default user salt.\n");
589 #endif
590 BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n");
591 #ifndef OPENSSL_NO_SSL3_METHOD
592 BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n");
593 #endif
594 BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n");
595 BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n");
596 BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n");
597 BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n");
598 BIO_printf(bio_err, " -dtls1_2 - Just talk DTLSv1.2\n");
599 BIO_printf(bio_err, " -timeout - Enable timeouts\n");
600 BIO_printf(bio_err, " -mtu - Set link layer MTU\n");
601 BIO_printf(bio_err, " -chain - Read a certificate chain\n");
602 BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n");
603 BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n");
604 BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n");
605 BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n");
606 BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n");
607 #ifndef OPENSSL_NO_DH
608 BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n");
609 #endif
610 #ifndef OPENSSL_NO_ECDH
611 BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n");
612 #endif
613 BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n");
614 BIO_printf(bio_err,
615 " -hack - workaround for early Netscape code\n");
616 BIO_printf(bio_err,
617 " -www - Respond to a 'GET /' with a status page\n");
618 BIO_printf(bio_err,
619 " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
620 BIO_printf(bio_err,
621 " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
622 BIO_printf(bio_err,
623 " with the assumption it contains a complete HTTP response.\n");
624 #ifndef OPENSSL_NO_ENGINE
625 BIO_printf(bio_err,
626 " -engine id - Initialise and use the specified engine\n");
627 #endif
628 BIO_printf(bio_err,
629 " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
630 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
631 LIST_SEPARATOR_CHAR);
632 #ifndef OPENSSL_NO_TLSEXT
633 BIO_printf(bio_err,
634 " -servername host - servername for HostName TLS extension\n");
635 BIO_printf(bio_err,
636 " -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
637 BIO_printf(bio_err,
638 " -cert2 arg - certificate file to use for servername\n");
639 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2);
640 BIO_printf(bio_err,
641 " -key2 arg - Private Key file to use for servername, in cert file if\n");
642 BIO_printf(bio_err, " not specified (default is %s)\n",
643 TEST_CERT2);
644 BIO_printf(bio_err,
645 " -tlsextdebug - hex dump of all TLS extensions received\n");
646 BIO_printf(bio_err,
647 " -no_ticket - disable use of RFC4507bis session tickets\n");
648 BIO_printf(bio_err,
649 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
650 BIO_printf(bio_err,
651 " -sigalgs arg - Signature algorithms to support (colon-separated list)\n");
652 BIO_printf(bio_err,
653 " -client_sigalgs arg - Signature algorithms to support for client \n");
654 BIO_printf(bio_err,
655 " certificate authentication (colon-separated list)\n");
656 # ifndef OPENSSL_NO_NEXTPROTONEG
657 BIO_printf(bio_err,
658 " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
659 # endif
660 # ifndef OPENSSL_NO_SRTP
661 BIO_printf(bio_err,
662 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
663 # endif
664 BIO_printf(bio_err,
665 " -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n");
666 #endif
667 BIO_printf(bio_err,
668 " -keymatexport label - Export keying material using label\n");
669 BIO_printf(bio_err,
670 " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
671 BIO_printf(bio_err,
672 " -status - respond to certificate status requests\n");
673 BIO_printf(bio_err,
674 " -status_verbose - enable status request verbose printout\n");
675 BIO_printf(bio_err,
676 " -status_timeout n - status request responder timeout\n");
677 BIO_printf(bio_err, " -status_url URL - status request fallback URL\n");
678 }
679
680 static int local_argc = 0;
681 static char **local_argv;
682
683 #ifdef CHARSET_EBCDIC
684 static int ebcdic_new(BIO *bi);
685 static int ebcdic_free(BIO *a);
686 static int ebcdic_read(BIO *b, char *out, int outl);
687 static int ebcdic_write(BIO *b, const char *in, int inl);
688 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
689 static int ebcdic_gets(BIO *bp, char *buf, int size);
690 static int ebcdic_puts(BIO *bp, const char *str);
691
692 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
693 static BIO_METHOD methods_ebcdic = {
694 BIO_TYPE_EBCDIC_FILTER,
695 "EBCDIC/ASCII filter",
696 ebcdic_write,
697 ebcdic_read,
698 ebcdic_puts,
699 ebcdic_gets,
700 ebcdic_ctrl,
701 ebcdic_new,
702 ebcdic_free,
703 };
704
705 typedef struct {
706 size_t alloced;
707 char buff[1];
708 } EBCDIC_OUTBUFF;
709
BIO_f_ebcdic_filter()710 BIO_METHOD *BIO_f_ebcdic_filter()
711 {
712 return (&methods_ebcdic);
713 }
714
ebcdic_new(BIO * bi)715 static int ebcdic_new(BIO *bi)
716 {
717 EBCDIC_OUTBUFF *wbuf;
718
719 wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
720 if (!wbuf)
721 return 0;
722 wbuf->alloced = 1024;
723 wbuf->buff[0] = '\0';
724
725 bi->ptr = (char *)wbuf;
726 bi->init = 1;
727 bi->flags = 0;
728 return (1);
729 }
730
ebcdic_free(BIO * a)731 static int ebcdic_free(BIO *a)
732 {
733 if (a == NULL)
734 return (0);
735 if (a->ptr != NULL)
736 OPENSSL_free(a->ptr);
737 a->ptr = NULL;
738 a->init = 0;
739 a->flags = 0;
740 return (1);
741 }
742
ebcdic_read(BIO * b,char * out,int outl)743 static int ebcdic_read(BIO *b, char *out, int outl)
744 {
745 int ret = 0;
746
747 if (out == NULL || outl == 0)
748 return (0);
749 if (b->next_bio == NULL)
750 return (0);
751
752 ret = BIO_read(b->next_bio, out, outl);
753 if (ret > 0)
754 ascii2ebcdic(out, out, ret);
755 return (ret);
756 }
757
ebcdic_write(BIO * b,const char * in,int inl)758 static int ebcdic_write(BIO *b, const char *in, int inl)
759 {
760 EBCDIC_OUTBUFF *wbuf;
761 int ret = 0;
762 int num;
763 unsigned char n;
764
765 if ((in == NULL) || (inl <= 0))
766 return (0);
767 if (b->next_bio == NULL)
768 return (0);
769
770 wbuf = (EBCDIC_OUTBUFF *) b->ptr;
771
772 if (inl > (num = wbuf->alloced)) {
773 num = num + num; /* double the size */
774 if (num < inl)
775 num = inl;
776 wbuf =
777 (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
778 if (!wbuf)
779 return 0;
780 OPENSSL_free(b->ptr);
781
782 wbuf->alloced = num;
783 wbuf->buff[0] = '\0';
784
785 b->ptr = (char *)wbuf;
786 }
787
788 ebcdic2ascii(wbuf->buff, in, inl);
789
790 ret = BIO_write(b->next_bio, wbuf->buff, inl);
791
792 return (ret);
793 }
794
ebcdic_ctrl(BIO * b,int cmd,long num,void * ptr)795 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
796 {
797 long ret;
798
799 if (b->next_bio == NULL)
800 return (0);
801 switch (cmd) {
802 case BIO_CTRL_DUP:
803 ret = 0L;
804 break;
805 default:
806 ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
807 break;
808 }
809 return (ret);
810 }
811
ebcdic_gets(BIO * bp,char * buf,int size)812 static int ebcdic_gets(BIO *bp, char *buf, int size)
813 {
814 int i, ret = 0;
815 if (bp->next_bio == NULL)
816 return (0);
817 /* return(BIO_gets(bp->next_bio,buf,size));*/
818 for (i = 0; i < size - 1; ++i) {
819 ret = ebcdic_read(bp, &buf[i], 1);
820 if (ret <= 0)
821 break;
822 else if (buf[i] == '\n') {
823 ++i;
824 break;
825 }
826 }
827 if (i < size)
828 buf[i] = '\0';
829 return (ret < 0 && i == 0) ? ret : i;
830 }
831
ebcdic_puts(BIO * bp,const char * str)832 static int ebcdic_puts(BIO *bp, const char *str)
833 {
834 if (bp->next_bio == NULL)
835 return (0);
836 return ebcdic_write(bp, str, strlen(str));
837 }
838 #endif
839
840 #ifndef OPENSSL_NO_TLSEXT
841
842 /* This is a context that we pass to callbacks */
843 typedef struct tlsextctx_st {
844 char *servername;
845 BIO *biodebug;
846 int extension_error;
847 } tlsextctx;
848
ssl_servername_cb(SSL * s,int * ad,void * arg)849 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
850 {
851 tlsextctx *p = (tlsextctx *) arg;
852 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
853 if (servername && p->biodebug)
854 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
855 servername);
856
857 if (!p->servername)
858 return SSL_TLSEXT_ERR_NOACK;
859
860 if (servername) {
861 if (strcasecmp(servername, p->servername))
862 return p->extension_error;
863 if (ctx2) {
864 BIO_printf(p->biodebug, "Switching server context.\n");
865 SSL_set_SSL_CTX(s, ctx2);
866 }
867 }
868 return SSL_TLSEXT_ERR_OK;
869 }
870
871 /* Structure passed to cert status callback */
872
873 typedef struct tlsextstatusctx_st {
874 /* Default responder to use */
875 char *host, *path, *port;
876 int use_ssl;
877 int timeout;
878 BIO *err;
879 int verbose;
880 } tlsextstatusctx;
881
882 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 };
883
884 /*
885 * Certificate Status callback. This is called when a client includes a
886 * certificate status request extension. This is a simplified version. It
887 * examines certificates each time and makes one OCSP responder query for
888 * each request. A full version would store details such as the OCSP
889 * certificate IDs and minimise the number of OCSP responses by caching them
890 * until they were considered "expired".
891 */
892
cert_status_cb(SSL * s,void * arg)893 static int cert_status_cb(SSL *s, void *arg)
894 {
895 tlsextstatusctx *srctx = arg;
896 BIO *err = srctx->err;
897 char *host, *port, *path;
898 int use_ssl;
899 unsigned char *rspder = NULL;
900 int rspderlen;
901 STACK_OF(OPENSSL_STRING) *aia = NULL;
902 X509 *x = NULL;
903 X509_STORE_CTX inctx;
904 X509_OBJECT obj;
905 OCSP_REQUEST *req = NULL;
906 OCSP_RESPONSE *resp = NULL;
907 OCSP_CERTID *id = NULL;
908 STACK_OF(X509_EXTENSION) *exts;
909 int ret = SSL_TLSEXT_ERR_NOACK;
910 int i;
911 # if 0
912 STACK_OF(OCSP_RESPID) *ids;
913 SSL_get_tlsext_status_ids(s, &ids);
914 BIO_printf(err, "cert_status: received %d ids\n",
915 sk_OCSP_RESPID_num(ids));
916 # endif
917 if (srctx->verbose)
918 BIO_puts(err, "cert_status: callback called\n");
919 /* Build up OCSP query from server certificate */
920 x = SSL_get_certificate(s);
921 aia = X509_get1_ocsp(x);
922 if (aia) {
923 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
924 &host, &port, &path, &use_ssl)) {
925 BIO_puts(err, "cert_status: can't parse AIA URL\n");
926 goto err;
927 }
928 if (srctx->verbose)
929 BIO_printf(err, "cert_status: AIA URL: %s\n",
930 sk_OPENSSL_STRING_value(aia, 0));
931 } else {
932 if (!srctx->host) {
933 BIO_puts(srctx->err,
934 "cert_status: no AIA and no default responder URL\n");
935 goto done;
936 }
937 host = srctx->host;
938 path = srctx->path;
939 port = srctx->port;
940 use_ssl = srctx->use_ssl;
941 }
942
943 if (!X509_STORE_CTX_init(&inctx,
944 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
945 NULL, NULL))
946 goto err;
947 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
948 X509_get_issuer_name(x), &obj) <= 0) {
949 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
950 X509_STORE_CTX_cleanup(&inctx);
951 goto done;
952 }
953 req = OCSP_REQUEST_new();
954 if (!req)
955 goto err;
956 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
957 X509_free(obj.data.x509);
958 X509_STORE_CTX_cleanup(&inctx);
959 if (!id)
960 goto err;
961 if (!OCSP_request_add0_id(req, id))
962 goto err;
963 id = NULL;
964 /* Add any extensions to the request */
965 SSL_get_tlsext_status_exts(s, &exts);
966 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
967 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
968 if (!OCSP_REQUEST_add_ext(req, ext, -1))
969 goto err;
970 }
971 resp = process_responder(err, req, host, path, port, use_ssl, NULL,
972 srctx->timeout);
973 if (!resp) {
974 BIO_puts(err, "cert_status: error querying responder\n");
975 goto done;
976 }
977 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
978 if (rspderlen <= 0)
979 goto err;
980 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
981 if (srctx->verbose) {
982 BIO_puts(err, "cert_status: ocsp response sent:\n");
983 OCSP_RESPONSE_print(err, resp, 2);
984 }
985 ret = SSL_TLSEXT_ERR_OK;
986 done:
987 if (ret != SSL_TLSEXT_ERR_OK)
988 ERR_print_errors(err);
989 if (aia) {
990 OPENSSL_free(host);
991 OPENSSL_free(path);
992 OPENSSL_free(port);
993 X509_email_free(aia);
994 }
995 if (id)
996 OCSP_CERTID_free(id);
997 if (req)
998 OCSP_REQUEST_free(req);
999 if (resp)
1000 OCSP_RESPONSE_free(resp);
1001 return ret;
1002 err:
1003 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
1004 goto done;
1005 }
1006
1007 # ifndef OPENSSL_NO_NEXTPROTONEG
1008 /* This is the context that we pass to next_proto_cb */
1009 typedef struct tlsextnextprotoctx_st {
1010 unsigned char *data;
1011 unsigned int len;
1012 } tlsextnextprotoctx;
1013
next_proto_cb(SSL * s,const unsigned char ** data,unsigned int * len,void * arg)1014 static int next_proto_cb(SSL *s, const unsigned char **data,
1015 unsigned int *len, void *arg)
1016 {
1017 tlsextnextprotoctx *next_proto = arg;
1018
1019 *data = next_proto->data;
1020 *len = next_proto->len;
1021
1022 return SSL_TLSEXT_ERR_OK;
1023 }
1024 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
1025
1026 /* This the context that we pass to alpn_cb */
1027 typedef struct tlsextalpnctx_st {
1028 unsigned char *data;
1029 unsigned short len;
1030 } tlsextalpnctx;
1031
alpn_cb(SSL * s,const unsigned char ** out,unsigned char * outlen,const unsigned char * in,unsigned int inlen,void * arg)1032 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
1033 const unsigned char *in, unsigned int inlen, void *arg)
1034 {
1035 tlsextalpnctx *alpn_ctx = arg;
1036
1037 if (!s_quiet) {
1038 /* We can assume that |in| is syntactically valid. */
1039 unsigned i;
1040 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
1041 for (i = 0; i < inlen;) {
1042 if (i)
1043 BIO_write(bio_s_out, ", ", 2);
1044 BIO_write(bio_s_out, &in[i + 1], in[i]);
1045 i += in[i] + 1;
1046 }
1047 BIO_write(bio_s_out, "\n", 1);
1048 }
1049
1050 if (SSL_select_next_proto
1051 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
1052 inlen) != OPENSSL_NPN_NEGOTIATED) {
1053 return SSL_TLSEXT_ERR_NOACK;
1054 }
1055
1056 if (!s_quiet) {
1057 BIO_printf(bio_s_out, "ALPN protocols selected: ");
1058 BIO_write(bio_s_out, *out, *outlen);
1059 BIO_write(bio_s_out, "\n", 1);
1060 }
1061
1062 return SSL_TLSEXT_ERR_OK;
1063 }
1064 #endif /* ndef OPENSSL_NO_TLSEXT */
1065
1066 int MAIN(int, char **);
1067
1068 #ifndef OPENSSL_NO_JPAKE
1069 static char *jpake_secret = NULL;
1070 # define no_jpake !jpake_secret
1071 #else
1072 # define no_jpake 1
1073 #endif
1074 #ifndef OPENSSL_NO_SRP
1075 static srpsrvparm srp_callback_parm;
1076 #endif
1077 #ifndef OPENSSL_NO_SRTP
1078 static char *srtp_profiles = NULL;
1079 #endif
1080
MAIN(int argc,char * argv[])1081 int MAIN(int argc, char *argv[])
1082 {
1083 X509_VERIFY_PARAM *vpm = NULL;
1084 int badarg = 0;
1085 short port = PORT;
1086 char *CApath = NULL, *CAfile = NULL;
1087 char *chCApath = NULL, *chCAfile = NULL;
1088 char *vfyCApath = NULL, *vfyCAfile = NULL;
1089 unsigned char *context = NULL;
1090 char *dhfile = NULL;
1091 int badop = 0;
1092 int ret = 1;
1093 int build_chain = 0;
1094 int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0;
1095 int state = 0;
1096 const SSL_METHOD *meth = NULL;
1097 int socket_type = SOCK_STREAM;
1098 ENGINE *e = NULL;
1099 char *inrand = NULL;
1100 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1101 char *passarg = NULL, *pass = NULL;
1102 char *dpassarg = NULL, *dpass = NULL;
1103 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1104 X509 *s_cert = NULL, *s_dcert = NULL;
1105 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1106 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1107 int no_cache = 0, ext_cache = 0;
1108 int rev = 0, naccept = -1;
1109 #ifndef OPENSSL_NO_TLSEXT
1110 EVP_PKEY *s_key2 = NULL;
1111 X509 *s_cert2 = NULL;
1112 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1113 # ifndef OPENSSL_NO_NEXTPROTONEG
1114 const char *next_proto_neg_in = NULL;
1115 tlsextnextprotoctx next_proto = { NULL, 0 };
1116 # endif
1117 const char *alpn_in = NULL;
1118 tlsextalpnctx alpn_ctx = { NULL, 0 };
1119 #endif
1120 #ifndef OPENSSL_NO_PSK
1121 /* by default do not send a PSK identity hint */
1122 static char *psk_identity_hint = NULL;
1123 #endif
1124 #ifndef OPENSSL_NO_SRP
1125 char *srpuserseed = NULL;
1126 char *srp_verifier_file = NULL;
1127 #endif
1128 SSL_EXCERT *exc = NULL;
1129 SSL_CONF_CTX *cctx = NULL;
1130 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1131
1132 char *crl_file = NULL;
1133 int crl_format = FORMAT_PEM;
1134 int crl_download = 0;
1135 STACK_OF(X509_CRL) *crls = NULL;
1136 int prot_opt = 0, no_prot_opt = 0;
1137
1138 meth = SSLv23_server_method();
1139
1140 local_argc = argc;
1141 local_argv = argv;
1142
1143 apps_startup();
1144 #ifdef MONOLITH
1145 s_server_init();
1146 #endif
1147
1148 if (bio_err == NULL)
1149 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
1150
1151 if (!load_config(bio_err, NULL))
1152 goto end;
1153
1154 cctx = SSL_CONF_CTX_new();
1155 if (!cctx)
1156 goto end;
1157 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1158 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1159
1160 verify_depth = 0;
1161 #ifdef FIONBIO
1162 s_nbio = 0;
1163 #endif
1164 s_nbio_test = 0;
1165
1166 argc--;
1167 argv++;
1168
1169 while (argc >= 1) {
1170 if ((strcmp(*argv, "-port") == 0) || (strcmp(*argv, "-accept") == 0)) {
1171 if (--argc < 1)
1172 goto bad;
1173 if (!extract_port(*(++argv), &port))
1174 goto bad;
1175 } else if (strcmp(*argv, "-naccept") == 0) {
1176 if (--argc < 1)
1177 goto bad;
1178 naccept = atol(*(++argv));
1179 if (naccept <= 0) {
1180 BIO_printf(bio_err, "bad accept value %s\n", *argv);
1181 goto bad;
1182 }
1183 } else if (strcmp(*argv, "-verify") == 0) {
1184 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1185 if (--argc < 1)
1186 goto bad;
1187 verify_depth = atoi(*(++argv));
1188 if (!s_quiet)
1189 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1190 } else if (strcmp(*argv, "-Verify") == 0) {
1191 s_server_verify =
1192 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1193 SSL_VERIFY_CLIENT_ONCE;
1194 if (--argc < 1)
1195 goto bad;
1196 verify_depth = atoi(*(++argv));
1197 if (!s_quiet)
1198 BIO_printf(bio_err,
1199 "verify depth is %d, must return a certificate\n",
1200 verify_depth);
1201 } else if (strcmp(*argv, "-context") == 0) {
1202 if (--argc < 1)
1203 goto bad;
1204 context = (unsigned char *)*(++argv);
1205 } else if (strcmp(*argv, "-cert") == 0) {
1206 if (--argc < 1)
1207 goto bad;
1208 s_cert_file = *(++argv);
1209 } else if (strcmp(*argv, "-CRL") == 0) {
1210 if (--argc < 1)
1211 goto bad;
1212 crl_file = *(++argv);
1213 } else if (strcmp(*argv, "-crl_download") == 0)
1214 crl_download = 1;
1215 #ifndef OPENSSL_NO_TLSEXT
1216 else if (strcmp(*argv, "-serverinfo") == 0) {
1217 if (--argc < 1)
1218 goto bad;
1219 s_serverinfo_file = *(++argv);
1220 }
1221 #endif
1222 else if (strcmp(*argv, "-certform") == 0) {
1223 if (--argc < 1)
1224 goto bad;
1225 s_cert_format = str2fmt(*(++argv));
1226 } else if (strcmp(*argv, "-key") == 0) {
1227 if (--argc < 1)
1228 goto bad;
1229 s_key_file = *(++argv);
1230 } else if (strcmp(*argv, "-keyform") == 0) {
1231 if (--argc < 1)
1232 goto bad;
1233 s_key_format = str2fmt(*(++argv));
1234 } else if (strcmp(*argv, "-pass") == 0) {
1235 if (--argc < 1)
1236 goto bad;
1237 passarg = *(++argv);
1238 } else if (strcmp(*argv, "-cert_chain") == 0) {
1239 if (--argc < 1)
1240 goto bad;
1241 s_chain_file = *(++argv);
1242 } else if (strcmp(*argv, "-dhparam") == 0) {
1243 if (--argc < 1)
1244 goto bad;
1245 dhfile = *(++argv);
1246 } else if (strcmp(*argv, "-dcertform") == 0) {
1247 if (--argc < 1)
1248 goto bad;
1249 s_dcert_format = str2fmt(*(++argv));
1250 } else if (strcmp(*argv, "-dcert") == 0) {
1251 if (--argc < 1)
1252 goto bad;
1253 s_dcert_file = *(++argv);
1254 } else if (strcmp(*argv, "-dkeyform") == 0) {
1255 if (--argc < 1)
1256 goto bad;
1257 s_dkey_format = str2fmt(*(++argv));
1258 } else if (strcmp(*argv, "-dpass") == 0) {
1259 if (--argc < 1)
1260 goto bad;
1261 dpassarg = *(++argv);
1262 } else if (strcmp(*argv, "-dkey") == 0) {
1263 if (--argc < 1)
1264 goto bad;
1265 s_dkey_file = *(++argv);
1266 } else if (strcmp(*argv, "-dcert_chain") == 0) {
1267 if (--argc < 1)
1268 goto bad;
1269 s_dchain_file = *(++argv);
1270 } else if (strcmp(*argv, "-nocert") == 0) {
1271 nocert = 1;
1272 } else if (strcmp(*argv, "-CApath") == 0) {
1273 if (--argc < 1)
1274 goto bad;
1275 CApath = *(++argv);
1276 } else if (strcmp(*argv, "-chainCApath") == 0) {
1277 if (--argc < 1)
1278 goto bad;
1279 chCApath = *(++argv);
1280 } else if (strcmp(*argv, "-verifyCApath") == 0) {
1281 if (--argc < 1)
1282 goto bad;
1283 vfyCApath = *(++argv);
1284 } else if (strcmp(*argv, "-no_cache") == 0)
1285 no_cache = 1;
1286 else if (strcmp(*argv, "-ext_cache") == 0)
1287 ext_cache = 1;
1288 else if (strcmp(*argv, "-CRLform") == 0) {
1289 if (--argc < 1)
1290 goto bad;
1291 crl_format = str2fmt(*(++argv));
1292 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
1293 if (badarg)
1294 goto bad;
1295 continue;
1296 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) {
1297 if (badarg)
1298 goto bad;
1299 continue;
1300 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args,
1301 &no_prot_opt)) {
1302 if (badarg)
1303 goto bad;
1304 continue;
1305 } else if (strcmp(*argv, "-verify_return_error") == 0)
1306 verify_return_error = 1;
1307 else if (strcmp(*argv, "-verify_quiet") == 0)
1308 verify_quiet = 1;
1309 else if (strcmp(*argv, "-build_chain") == 0)
1310 build_chain = 1;
1311 else if (strcmp(*argv, "-CAfile") == 0) {
1312 if (--argc < 1)
1313 goto bad;
1314 CAfile = *(++argv);
1315 } else if (strcmp(*argv, "-chainCAfile") == 0) {
1316 if (--argc < 1)
1317 goto bad;
1318 chCAfile = *(++argv);
1319 } else if (strcmp(*argv, "-verifyCAfile") == 0) {
1320 if (--argc < 1)
1321 goto bad;
1322 vfyCAfile = *(++argv);
1323 }
1324 #ifdef FIONBIO
1325 else if (strcmp(*argv, "-nbio") == 0) {
1326 s_nbio = 1;
1327 }
1328 #endif
1329 else if (strcmp(*argv, "-nbio_test") == 0) {
1330 #ifdef FIONBIO
1331 s_nbio = 1;
1332 #endif
1333 s_nbio_test = 1;
1334 } else if (strcmp(*argv, "-ign_eof") == 0)
1335 s_ign_eof = 1;
1336 else if (strcmp(*argv, "-no_ign_eof") == 0)
1337 s_ign_eof = 0;
1338 else if (strcmp(*argv, "-debug") == 0) {
1339 s_debug = 1;
1340 }
1341 #ifndef OPENSSL_NO_TLSEXT
1342 else if (strcmp(*argv, "-tlsextdebug") == 0)
1343 s_tlsextdebug = 1;
1344 else if (strcmp(*argv, "-status") == 0)
1345 s_tlsextstatus = 1;
1346 else if (strcmp(*argv, "-status_verbose") == 0) {
1347 s_tlsextstatus = 1;
1348 tlscstatp.verbose = 1;
1349 } else if (!strcmp(*argv, "-status_timeout")) {
1350 s_tlsextstatus = 1;
1351 if (--argc < 1)
1352 goto bad;
1353 tlscstatp.timeout = atoi(*(++argv));
1354 } else if (!strcmp(*argv, "-status_url")) {
1355 s_tlsextstatus = 1;
1356 if (--argc < 1)
1357 goto bad;
1358 if (!OCSP_parse_url(*(++argv),
1359 &tlscstatp.host,
1360 &tlscstatp.port,
1361 &tlscstatp.path, &tlscstatp.use_ssl)) {
1362 BIO_printf(bio_err, "Error parsing URL\n");
1363 goto bad;
1364 }
1365 }
1366 #endif
1367 else if (strcmp(*argv, "-msg") == 0) {
1368 s_msg = 1;
1369 } else if (strcmp(*argv, "-msgfile") == 0) {
1370 if (--argc < 1)
1371 goto bad;
1372 bio_s_msg = BIO_new_file(*(++argv), "w");
1373 }
1374 #ifndef OPENSSL_NO_SSL_TRACE
1375 else if (strcmp(*argv, "-trace") == 0) {
1376 s_msg = 2;
1377 }
1378 #endif
1379 else if (strcmp(*argv, "-hack") == 0) {
1380 hack = 1;
1381 } else if (strcmp(*argv, "-state") == 0) {
1382 state = 1;
1383 } else if (strcmp(*argv, "-crlf") == 0) {
1384 s_crlf = 1;
1385 } else if (strcmp(*argv, "-quiet") == 0) {
1386 s_quiet = 1;
1387 } else if (strcmp(*argv, "-brief") == 0) {
1388 s_quiet = 1;
1389 s_brief = 1;
1390 verify_quiet = 1;
1391 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
1392 no_tmp_rsa = 1;
1393 } else if (strcmp(*argv, "-no_dhe") == 0) {
1394 no_dhe = 1;
1395 } else if (strcmp(*argv, "-no_ecdhe") == 0) {
1396 no_ecdhe = 1;
1397 } else if (strcmp(*argv, "-no_resume_ephemeral") == 0) {
1398 no_resume_ephemeral = 1;
1399 }
1400 #ifndef OPENSSL_NO_PSK
1401 else if (strcmp(*argv, "-psk_hint") == 0) {
1402 if (--argc < 1)
1403 goto bad;
1404 psk_identity_hint = *(++argv);
1405 } else if (strcmp(*argv, "-psk") == 0) {
1406 size_t i;
1407
1408 if (--argc < 1)
1409 goto bad;
1410 psk_key = *(++argv);
1411 for (i = 0; i < strlen(psk_key); i++) {
1412 if (isxdigit((unsigned char)psk_key[i]))
1413 continue;
1414 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1415 goto bad;
1416 }
1417 }
1418 #endif
1419 #ifndef OPENSSL_NO_SRP
1420 else if (strcmp(*argv, "-srpvfile") == 0) {
1421 if (--argc < 1)
1422 goto bad;
1423 srp_verifier_file = *(++argv);
1424 meth = TLSv1_server_method();
1425 } else if (strcmp(*argv, "-srpuserseed") == 0) {
1426 if (--argc < 1)
1427 goto bad;
1428 srpuserseed = *(++argv);
1429 meth = TLSv1_server_method();
1430 }
1431 #endif
1432 else if (strcmp(*argv, "-rev") == 0) {
1433 rev = 1;
1434 } else if (strcmp(*argv, "-www") == 0) {
1435 www = 1;
1436 } else if (strcmp(*argv, "-WWW") == 0) {
1437 www = 2;
1438 } else if (strcmp(*argv, "-HTTP") == 0) {
1439 www = 3;
1440 }
1441 #ifndef OPENSSL_NO_SSL2
1442 else if (strcmp(*argv, "-ssl2") == 0) {
1443 no_ecdhe = 1;
1444 meth = SSLv2_server_method();
1445 prot_opt++;
1446 }
1447 #endif
1448 #ifndef OPENSSL_NO_SSL3_METHOD
1449 else if (strcmp(*argv, "-ssl3") == 0) {
1450 meth = SSLv3_server_method();
1451 prot_opt++;
1452 }
1453 #endif
1454 #ifndef OPENSSL_NO_TLS1
1455 else if (strcmp(*argv, "-tls1") == 0) {
1456 meth = TLSv1_server_method();
1457 prot_opt++;
1458 } else if (strcmp(*argv, "-tls1_1") == 0) {
1459 meth = TLSv1_1_server_method();
1460 prot_opt++;
1461 } else if (strcmp(*argv, "-tls1_2") == 0) {
1462 meth = TLSv1_2_server_method();
1463 prot_opt++;
1464 }
1465 #endif
1466 #ifndef OPENSSL_NO_DTLS1
1467 else if (strcmp(*argv, "-dtls") == 0) {
1468 meth = DTLS_server_method();
1469 socket_type = SOCK_DGRAM;
1470 prot_opt++;
1471 } else if (strcmp(*argv, "-dtls1") == 0) {
1472 meth = DTLSv1_server_method();
1473 socket_type = SOCK_DGRAM;
1474 prot_opt++;
1475 } else if (strcmp(*argv, "-dtls1_2") == 0) {
1476 meth = DTLSv1_2_server_method();
1477 socket_type = SOCK_DGRAM;
1478 prot_opt++;
1479 } else if (strcmp(*argv, "-timeout") == 0)
1480 enable_timeouts = 1;
1481 else if (strcmp(*argv, "-mtu") == 0) {
1482 if (--argc < 1)
1483 goto bad;
1484 socket_mtu = atol(*(++argv));
1485 } else if (strcmp(*argv, "-chain") == 0)
1486 cert_chain = 1;
1487 #endif
1488 else if (strcmp(*argv, "-id_prefix") == 0) {
1489 if (--argc < 1)
1490 goto bad;
1491 session_id_prefix = *(++argv);
1492 }
1493 #ifndef OPENSSL_NO_ENGINE
1494 else if (strcmp(*argv, "-engine") == 0) {
1495 if (--argc < 1)
1496 goto bad;
1497 engine_id = *(++argv);
1498 }
1499 #endif
1500 else if (strcmp(*argv, "-rand") == 0) {
1501 if (--argc < 1)
1502 goto bad;
1503 inrand = *(++argv);
1504 }
1505 #ifndef OPENSSL_NO_TLSEXT
1506 else if (strcmp(*argv, "-servername") == 0) {
1507 if (--argc < 1)
1508 goto bad;
1509 tlsextcbp.servername = *(++argv);
1510 } else if (strcmp(*argv, "-servername_fatal") == 0) {
1511 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1512 } else if (strcmp(*argv, "-cert2") == 0) {
1513 if (--argc < 1)
1514 goto bad;
1515 s_cert_file2 = *(++argv);
1516 } else if (strcmp(*argv, "-key2") == 0) {
1517 if (--argc < 1)
1518 goto bad;
1519 s_key_file2 = *(++argv);
1520 }
1521 # ifndef OPENSSL_NO_NEXTPROTONEG
1522 else if (strcmp(*argv, "-nextprotoneg") == 0) {
1523 if (--argc < 1)
1524 goto bad;
1525 next_proto_neg_in = *(++argv);
1526 }
1527 # endif
1528 else if (strcmp(*argv, "-alpn") == 0) {
1529 if (--argc < 1)
1530 goto bad;
1531 alpn_in = *(++argv);
1532 }
1533 #endif
1534 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1535 else if (strcmp(*argv, "-jpake") == 0) {
1536 if (--argc < 1)
1537 goto bad;
1538 jpake_secret = *(++argv);
1539 }
1540 #endif
1541 #ifndef OPENSSL_NO_SRTP
1542 else if (strcmp(*argv, "-use_srtp") == 0) {
1543 if (--argc < 1)
1544 goto bad;
1545 srtp_profiles = *(++argv);
1546 }
1547 #endif
1548 else if (strcmp(*argv, "-keymatexport") == 0) {
1549 if (--argc < 1)
1550 goto bad;
1551 keymatexportlabel = *(++argv);
1552 } else if (strcmp(*argv, "-keymatexportlen") == 0) {
1553 if (--argc < 1)
1554 goto bad;
1555 keymatexportlen = atoi(*(++argv));
1556 if (keymatexportlen == 0)
1557 goto bad;
1558 } else {
1559 BIO_printf(bio_err, "unknown option %s\n", *argv);
1560 badop = 1;
1561 break;
1562 }
1563 argc--;
1564 argv++;
1565 }
1566 if (badop) {
1567 bad:
1568 sv_usage();
1569 goto end;
1570 }
1571 #ifndef OPENSSL_NO_DTLS1
1572 if (www && socket_type == SOCK_DGRAM) {
1573 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1574 goto end;
1575 }
1576 #endif
1577
1578 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1579 if (jpake_secret) {
1580 if (psk_key) {
1581 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1582 goto end;
1583 }
1584 psk_identity = "JPAKE";
1585 }
1586 #endif
1587
1588 if (prot_opt > 1) {
1589 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1590 goto end;
1591 }
1592
1593 if (prot_opt == 1 && no_prot_opt) {
1594 BIO_printf(bio_err, "Cannot supply both a protocol flag and "
1595 "\"-no_<prot>\"\n");
1596 goto end;
1597 }
1598
1599 SSL_load_error_strings();
1600 OpenSSL_add_ssl_algorithms();
1601
1602 e = setup_engine(bio_err, engine_id, 1);
1603
1604 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
1605 BIO_printf(bio_err, "Error getting password\n");
1606 goto end;
1607 }
1608
1609 if (s_key_file == NULL)
1610 s_key_file = s_cert_file;
1611 #ifndef OPENSSL_NO_TLSEXT
1612 if (s_key_file2 == NULL)
1613 s_key_file2 = s_cert_file2;
1614 #endif
1615
1616 if (!load_excert(&exc, bio_err))
1617 goto end;
1618
1619 if (nocert == 0) {
1620 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1621 "server certificate private key file");
1622 if (!s_key) {
1623 ERR_print_errors(bio_err);
1624 goto end;
1625 }
1626
1627 s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
1628 NULL, e, "server certificate file");
1629
1630 if (!s_cert) {
1631 ERR_print_errors(bio_err);
1632 goto end;
1633 }
1634 if (s_chain_file) {
1635 s_chain = load_certs(bio_err, s_chain_file, FORMAT_PEM,
1636 NULL, e, "server certificate chain");
1637 if (!s_chain)
1638 goto end;
1639 }
1640 #ifndef OPENSSL_NO_TLSEXT
1641 if (tlsextcbp.servername) {
1642 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1643 "second server certificate private key file");
1644 if (!s_key2) {
1645 ERR_print_errors(bio_err);
1646 goto end;
1647 }
1648
1649 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
1650 NULL, e, "second server certificate file");
1651
1652 if (!s_cert2) {
1653 ERR_print_errors(bio_err);
1654 goto end;
1655 }
1656 }
1657 #endif /* OPENSSL_NO_TLSEXT */
1658 }
1659 #if !defined(OPENSSL_NO_TLSEXT)
1660 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1661 if (next_proto_neg_in) {
1662 unsigned short len;
1663 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1664 if (next_proto.data == NULL)
1665 goto end;
1666 next_proto.len = len;
1667 } else {
1668 next_proto.data = NULL;
1669 }
1670 # endif
1671 alpn_ctx.data = NULL;
1672 if (alpn_in) {
1673 unsigned short len;
1674 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1675 if (alpn_ctx.data == NULL)
1676 goto end;
1677 alpn_ctx.len = len;
1678 }
1679 #endif
1680
1681 if (crl_file) {
1682 X509_CRL *crl;
1683 crl = load_crl(crl_file, crl_format);
1684 if (!crl) {
1685 BIO_puts(bio_err, "Error loading CRL\n");
1686 ERR_print_errors(bio_err);
1687 goto end;
1688 }
1689 crls = sk_X509_CRL_new_null();
1690 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1691 BIO_puts(bio_err, "Error adding CRL\n");
1692 ERR_print_errors(bio_err);
1693 X509_CRL_free(crl);
1694 goto end;
1695 }
1696 }
1697
1698 if (s_dcert_file) {
1699
1700 if (s_dkey_file == NULL)
1701 s_dkey_file = s_dcert_file;
1702
1703 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1704 0, dpass, e, "second certificate private key file");
1705 if (!s_dkey) {
1706 ERR_print_errors(bio_err);
1707 goto end;
1708 }
1709
1710 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
1711 NULL, e, "second server certificate file");
1712
1713 if (!s_dcert) {
1714 ERR_print_errors(bio_err);
1715 goto end;
1716 }
1717 if (s_dchain_file) {
1718 s_dchain = load_certs(bio_err, s_dchain_file, FORMAT_PEM,
1719 NULL, e, "second server certificate chain");
1720 if (!s_dchain)
1721 goto end;
1722 }
1723
1724 }
1725
1726 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1727 && !RAND_status()) {
1728 BIO_printf(bio_err,
1729 "warning, not much extra random data, consider using the -rand option\n");
1730 }
1731 if (inrand != NULL)
1732 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1733 app_RAND_load_files(inrand));
1734
1735 if (bio_s_out == NULL) {
1736 if (s_quiet && !s_debug) {
1737 bio_s_out = BIO_new(BIO_s_null());
1738 if (s_msg && !bio_s_msg)
1739 bio_s_msg = BIO_new_fp(stdout, BIO_NOCLOSE);
1740 } else {
1741 if (bio_s_out == NULL)
1742 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
1743 }
1744 }
1745 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1746 if (nocert)
1747 #endif
1748 {
1749 s_cert_file = NULL;
1750 s_key_file = NULL;
1751 s_dcert_file = NULL;
1752 s_dkey_file = NULL;
1753 #ifndef OPENSSL_NO_TLSEXT
1754 s_cert_file2 = NULL;
1755 s_key_file2 = NULL;
1756 #endif
1757 }
1758
1759 ctx = SSL_CTX_new(meth);
1760 if (ctx == NULL) {
1761 ERR_print_errors(bio_err);
1762 goto end;
1763 }
1764 if (session_id_prefix) {
1765 if (strlen(session_id_prefix) >= 32)
1766 BIO_printf(bio_err,
1767 "warning: id_prefix is too long, only one new session will be possible\n");
1768 else if (strlen(session_id_prefix) >= 16)
1769 BIO_printf(bio_err,
1770 "warning: id_prefix is too long if you use SSLv2\n");
1771 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1772 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1773 ERR_print_errors(bio_err);
1774 goto end;
1775 }
1776 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1777 }
1778 SSL_CTX_set_quiet_shutdown(ctx, 1);
1779 if (hack)
1780 SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1781 if (exc)
1782 ssl_ctx_set_excert(ctx, exc);
1783
1784 if (state)
1785 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1786 if (no_cache)
1787 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1788 else if (ext_cache)
1789 init_session_cache_ctx(ctx);
1790 else
1791 SSL_CTX_sess_set_cache_size(ctx, 128);
1792
1793 #ifndef OPENSSL_NO_SRTP
1794 if (srtp_profiles != NULL)
1795 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1796 #endif
1797
1798 #if 0
1799 if (cipher == NULL)
1800 cipher = getenv("SSL_CIPHER");
1801 #endif
1802
1803 #if 0
1804 if (s_cert_file == NULL) {
1805 BIO_printf(bio_err,
1806 "You must specify a certificate file for the server to use\n");
1807 goto end;
1808 }
1809 #endif
1810
1811 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1812 (!SSL_CTX_set_default_verify_paths(ctx))) {
1813 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1814 ERR_print_errors(bio_err);
1815 /* goto end; */
1816 }
1817 if (vpm)
1818 SSL_CTX_set1_param(ctx, vpm);
1819
1820 ssl_ctx_add_crls(ctx, crls, 0);
1821
1822 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1823 goto end;
1824
1825 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1826 crls, crl_download)) {
1827 BIO_printf(bio_err, "Error loading store locations\n");
1828 ERR_print_errors(bio_err);
1829 goto end;
1830 }
1831 #ifndef OPENSSL_NO_TLSEXT
1832 if (s_cert2) {
1833 ctx2 = SSL_CTX_new(meth);
1834 if (ctx2 == NULL) {
1835 ERR_print_errors(bio_err);
1836 goto end;
1837 }
1838 }
1839
1840 if (ctx2) {
1841 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1842
1843 if (session_id_prefix) {
1844 if (strlen(session_id_prefix) >= 32)
1845 BIO_printf(bio_err,
1846 "warning: id_prefix is too long, only one new session will be possible\n");
1847 else if (strlen(session_id_prefix) >= 16)
1848 BIO_printf(bio_err,
1849 "warning: id_prefix is too long if you use SSLv2\n");
1850 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1851 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1852 ERR_print_errors(bio_err);
1853 goto end;
1854 }
1855 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1856 }
1857 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1858 if (hack)
1859 SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1860 if (exc)
1861 ssl_ctx_set_excert(ctx2, exc);
1862 /*
1863 * DTLS: partial reads end up discarding unread UDP bytes :-(
1864 * Setting read ahead solves this problem.
1865 */
1866 if (socket_type == SOCK_DGRAM)
1867 SSL_CTX_set_read_ahead(ctx2, 1);
1868
1869 if (state)
1870 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1871
1872 if (no_cache)
1873 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1874 else if (ext_cache)
1875 init_session_cache_ctx(ctx2);
1876 else
1877 SSL_CTX_sess_set_cache_size(ctx2, 128);
1878
1879 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1880 (!SSL_CTX_set_default_verify_paths(ctx2))) {
1881 ERR_print_errors(bio_err);
1882 }
1883 if (vpm)
1884 SSL_CTX_set1_param(ctx2, vpm);
1885
1886 ssl_ctx_add_crls(ctx2, crls, 0);
1887
1888 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1889 goto end;
1890
1891 }
1892 # ifndef OPENSSL_NO_NEXTPROTONEG
1893 if (next_proto.data)
1894 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1895 &next_proto);
1896 # endif
1897 if (alpn_ctx.data)
1898 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1899 #endif
1900
1901 #ifndef OPENSSL_NO_DH
1902 if (!no_dhe) {
1903 DH *dh = NULL;
1904
1905 if (dhfile)
1906 dh = load_dh_param(dhfile);
1907 else if (s_cert_file)
1908 dh = load_dh_param(s_cert_file);
1909
1910 if (dh != NULL) {
1911 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1912 } else {
1913 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1914 dh = get_dh2048();
1915 if (dh == NULL) {
1916 ERR_print_errors(bio_err);
1917 goto end;
1918 }
1919 }
1920 (void)BIO_flush(bio_s_out);
1921
1922 SSL_CTX_set_tmp_dh(ctx, dh);
1923 # ifndef OPENSSL_NO_TLSEXT
1924 if (ctx2) {
1925 if (!dhfile) {
1926 DH *dh2 = load_dh_param(s_cert_file2);
1927 if (dh2 != NULL) {
1928 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1929 (void)BIO_flush(bio_s_out);
1930
1931 DH_free(dh);
1932 dh = dh2;
1933 }
1934 }
1935 SSL_CTX_set_tmp_dh(ctx2, dh);
1936 }
1937 # endif
1938 DH_free(dh);
1939 }
1940 #endif
1941
1942 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1943 goto end;
1944 #ifndef OPENSSL_NO_TLSEXT
1945 if (s_serverinfo_file != NULL
1946 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1947 ERR_print_errors(bio_err);
1948 goto end;
1949 }
1950 #endif
1951 #ifndef OPENSSL_NO_TLSEXT
1952 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1953 goto end;
1954 #endif
1955 if (s_dcert != NULL) {
1956 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1957 goto end;
1958 }
1959 #ifndef OPENSSL_NO_RSA
1960 # if 1
1961 if (!no_tmp_rsa) {
1962 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb);
1963 # ifndef OPENSSL_NO_TLSEXT
1964 if (ctx2)
1965 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb);
1966 # endif
1967 }
1968 # else
1969 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) {
1970 RSA *rsa;
1971
1972 BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key...");
1973 BIO_flush(bio_s_out);
1974
1975 rsa = RSA_generate_key(512, RSA_F4, NULL);
1976
1977 if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) {
1978 ERR_print_errors(bio_err);
1979 goto end;
1980 }
1981 # ifndef OPENSSL_NO_TLSEXT
1982 if (ctx2) {
1983 if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) {
1984 ERR_print_errors(bio_err);
1985 goto end;
1986 }
1987 }
1988 # endif
1989 RSA_free(rsa);
1990 BIO_printf(bio_s_out, "\n");
1991 }
1992 # endif
1993 #endif
1994
1995 #ifndef OPENSSL_NO_PSK
1996 # ifdef OPENSSL_NO_JPAKE
1997 if (psk_key != NULL)
1998 # else
1999 if (psk_key != NULL || jpake_secret)
2000 # endif
2001 {
2002 if (s_debug)
2003 BIO_printf(bio_s_out,
2004 "PSK key given or JPAKE in use, setting server callback\n");
2005 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2006 }
2007
2008 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2009 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2010 ERR_print_errors(bio_err);
2011 goto end;
2012 }
2013 #endif
2014
2015 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2016 SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context,
2017 sizeof s_server_session_id_context);
2018
2019 /* Set DTLS cookie generation and verification callbacks */
2020 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2021 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2022
2023 #ifndef OPENSSL_NO_TLSEXT
2024 if (ctx2) {
2025 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2026 SSL_CTX_set_session_id_context(ctx2,
2027 (void *)&s_server_session_id_context,
2028 sizeof s_server_session_id_context);
2029
2030 tlsextcbp.biodebug = bio_s_out;
2031 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2032 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2033 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2034 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2035 }
2036 #endif
2037
2038 #ifndef OPENSSL_NO_SRP
2039 if (srp_verifier_file != NULL) {
2040 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2041 srp_callback_parm.user = NULL;
2042 srp_callback_parm.login = NULL;
2043 if ((ret =
2044 SRP_VBASE_init(srp_callback_parm.vb,
2045 srp_verifier_file)) != SRP_NO_ERROR) {
2046 BIO_printf(bio_err,
2047 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2048 srp_verifier_file, ret);
2049 goto end;
2050 }
2051 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2052 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2053 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2054 } else
2055 #endif
2056 if (CAfile != NULL) {
2057 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2058 #ifndef OPENSSL_NO_TLSEXT
2059 if (ctx2)
2060 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2061 #endif
2062 }
2063
2064 BIO_printf(bio_s_out, "ACCEPT\n");
2065 (void)BIO_flush(bio_s_out);
2066 if (rev)
2067 do_server(port, socket_type, &accept_socket, rev_body, context,
2068 naccept);
2069 else if (www)
2070 do_server(port, socket_type, &accept_socket, www_body, context,
2071 naccept);
2072 else
2073 do_server(port, socket_type, &accept_socket, sv_body, context,
2074 naccept);
2075 print_stats(bio_s_out, ctx);
2076 ret = 0;
2077 end:
2078 if (ctx != NULL)
2079 SSL_CTX_free(ctx);
2080 if (s_cert)
2081 X509_free(s_cert);
2082 if (crls)
2083 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2084 if (s_dcert)
2085 X509_free(s_dcert);
2086 if (s_key)
2087 EVP_PKEY_free(s_key);
2088 if (s_dkey)
2089 EVP_PKEY_free(s_dkey);
2090 if (s_chain)
2091 sk_X509_pop_free(s_chain, X509_free);
2092 if (s_dchain)
2093 sk_X509_pop_free(s_dchain, X509_free);
2094 if (pass)
2095 OPENSSL_free(pass);
2096 if (dpass)
2097 OPENSSL_free(dpass);
2098 if (vpm)
2099 X509_VERIFY_PARAM_free(vpm);
2100 free_sessions();
2101 #ifndef OPENSSL_NO_TLSEXT
2102 if (tlscstatp.host)
2103 OPENSSL_free(tlscstatp.host);
2104 if (tlscstatp.port)
2105 OPENSSL_free(tlscstatp.port);
2106 if (tlscstatp.path)
2107 OPENSSL_free(tlscstatp.path);
2108 if (ctx2 != NULL)
2109 SSL_CTX_free(ctx2);
2110 if (s_cert2)
2111 X509_free(s_cert2);
2112 if (s_key2)
2113 EVP_PKEY_free(s_key2);
2114 if (serverinfo_in != NULL)
2115 BIO_free(serverinfo_in);
2116 # ifndef OPENSSL_NO_NEXTPROTONEG
2117 if (next_proto.data)
2118 OPENSSL_free(next_proto.data);
2119 # endif
2120 if (alpn_ctx.data)
2121 OPENSSL_free(alpn_ctx.data);
2122 #endif
2123 ssl_excert_free(exc);
2124 if (ssl_args)
2125 sk_OPENSSL_STRING_free(ssl_args);
2126 if (cctx)
2127 SSL_CONF_CTX_free(cctx);
2128 #ifndef OPENSSL_NO_JPAKE
2129 if (jpake_secret && psk_key)
2130 OPENSSL_free(psk_key);
2131 #endif
2132 release_engine(e);
2133 if (bio_s_out != NULL) {
2134 BIO_free(bio_s_out);
2135 bio_s_out = NULL;
2136 }
2137 if (bio_s_msg != NULL) {
2138 BIO_free(bio_s_msg);
2139 bio_s_msg = NULL;
2140 }
2141 apps_shutdown();
2142 OPENSSL_EXIT(ret);
2143 }
2144
print_stats(BIO * bio,SSL_CTX * ssl_ctx)2145 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2146 {
2147 BIO_printf(bio, "%4ld items in the session cache\n",
2148 SSL_CTX_sess_number(ssl_ctx));
2149 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2150 SSL_CTX_sess_connect(ssl_ctx));
2151 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2152 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2153 BIO_printf(bio, "%4ld client connects that finished\n",
2154 SSL_CTX_sess_connect_good(ssl_ctx));
2155 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2156 SSL_CTX_sess_accept(ssl_ctx));
2157 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2158 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2159 BIO_printf(bio, "%4ld server accepts that finished\n",
2160 SSL_CTX_sess_accept_good(ssl_ctx));
2161 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2162 BIO_printf(bio, "%4ld session cache misses\n",
2163 SSL_CTX_sess_misses(ssl_ctx));
2164 BIO_printf(bio, "%4ld session cache timeouts\n",
2165 SSL_CTX_sess_timeouts(ssl_ctx));
2166 BIO_printf(bio, "%4ld callback cache hits\n",
2167 SSL_CTX_sess_cb_hits(ssl_ctx));
2168 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2169 SSL_CTX_sess_cache_full(ssl_ctx),
2170 SSL_CTX_sess_get_cache_size(ssl_ctx));
2171 }
2172
sv_body(char * hostname,int s,int stype,unsigned char * context)2173 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2174 {
2175 char *buf = NULL;
2176 fd_set readfds;
2177 int ret = 1, width;
2178 int k, i;
2179 unsigned long l;
2180 SSL *con = NULL;
2181 BIO *sbio;
2182 #ifndef OPENSSL_NO_KRB5
2183 KSSL_CTX *kctx;
2184 #endif
2185 struct timeval timeout;
2186 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2187 struct timeval tv;
2188 #else
2189 struct timeval *timeoutp;
2190 #endif
2191
2192 if ((buf = OPENSSL_malloc(bufsize)) == NULL) {
2193 BIO_printf(bio_err, "out of memory\n");
2194 goto err;
2195 }
2196 #ifdef FIONBIO
2197 if (s_nbio) {
2198 unsigned long sl = 1;
2199
2200 if (!s_quiet)
2201 BIO_printf(bio_err, "turning on non blocking io\n");
2202 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2203 ERR_print_errors(bio_err);
2204 }
2205 #endif
2206
2207 if (con == NULL) {
2208 con = SSL_new(ctx);
2209 #ifndef OPENSSL_NO_TLSEXT
2210 if (s_tlsextdebug) {
2211 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2212 SSL_set_tlsext_debug_arg(con, bio_s_out);
2213 }
2214 if (s_tlsextstatus) {
2215 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2216 tlscstatp.err = bio_err;
2217 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2218 }
2219 #endif
2220 #ifndef OPENSSL_NO_KRB5
2221 if ((kctx = kssl_ctx_new()) != NULL) {
2222 SSL_set0_kssl_ctx(con, kctx);
2223 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2224 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2225 }
2226 #endif /* OPENSSL_NO_KRB5 */
2227 if (context)
2228 SSL_set_session_id_context(con, context, strlen((char *)context));
2229 }
2230 SSL_clear(con);
2231 #if 0
2232 # ifdef TLSEXT_TYPE_opaque_prf_input
2233 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2234 # endif
2235 #endif
2236
2237 if (stype == SOCK_DGRAM) {
2238
2239 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2240
2241 if (enable_timeouts) {
2242 timeout.tv_sec = 0;
2243 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2244 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2245
2246 timeout.tv_sec = 0;
2247 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2248 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2249 }
2250
2251 if (socket_mtu) {
2252 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2253 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2254 DTLS_get_link_min_mtu(con));
2255 ret = -1;
2256 BIO_free(sbio);
2257 goto err;
2258 }
2259 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2260 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2261 BIO_printf(bio_err, "Failed to set MTU\n");
2262 ret = -1;
2263 BIO_free(sbio);
2264 goto err;
2265 }
2266 } else
2267 /* want to do MTU discovery */
2268 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2269
2270 /* turn on cookie exchange */
2271 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2272 } else
2273 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2274
2275 if (s_nbio_test) {
2276 BIO *test;
2277
2278 test = BIO_new(BIO_f_nbio_test());
2279 sbio = BIO_push(test, sbio);
2280 }
2281 #ifndef OPENSSL_NO_JPAKE
2282 if (jpake_secret)
2283 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2284 #endif
2285
2286 SSL_set_bio(con, sbio, sbio);
2287 SSL_set_accept_state(con);
2288 /* SSL_set_fd(con,s); */
2289
2290 if (s_debug) {
2291 SSL_set_debug(con, 1);
2292 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2293 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2294 }
2295 if (s_msg) {
2296 #ifndef OPENSSL_NO_SSL_TRACE
2297 if (s_msg == 2)
2298 SSL_set_msg_callback(con, SSL_trace);
2299 else
2300 #endif
2301 SSL_set_msg_callback(con, msg_cb);
2302 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2303 }
2304 #ifndef OPENSSL_NO_TLSEXT
2305 if (s_tlsextdebug) {
2306 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2307 SSL_set_tlsext_debug_arg(con, bio_s_out);
2308 }
2309 #endif
2310
2311 if (fileno_stdin() > s)
2312 width = fileno_stdin() + 1;
2313 else
2314 width = s + 1;
2315 for (;;) {
2316 int read_from_terminal;
2317 int read_from_sslcon;
2318
2319 read_from_terminal = 0;
2320 read_from_sslcon = SSL_pending(con);
2321
2322 if (!read_from_sslcon) {
2323 FD_ZERO(&readfds);
2324 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2325 openssl_fdset(fileno_stdin(), &readfds);
2326 #endif
2327 openssl_fdset(s, &readfds);
2328 /*
2329 * Note: under VMS with SOCKETSHR the second parameter is
2330 * currently of type (int *) whereas under other systems it is
2331 * (void *) if you don't have a cast it will choke the compiler:
2332 * if you do have a cast then you can either go for (int *) or
2333 * (void *).
2334 */
2335 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2336 /*
2337 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2338 * only on sockets. As a workaround we timeout the select every
2339 * second and check for any keypress. In a proper Windows
2340 * application we wouldn't do this because it is inefficient.
2341 */
2342 tv.tv_sec = 1;
2343 tv.tv_usec = 0;
2344 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2345 if ((i < 0) || (!i && !_kbhit()))
2346 continue;
2347 if (_kbhit())
2348 read_from_terminal = 1;
2349 #elif defined(OPENSSL_SYS_BEOS_R5)
2350 /* Under BeOS-R5 the situation is similar to DOS */
2351 tv.tv_sec = 1;
2352 tv.tv_usec = 0;
2353 (void)fcntl(fileno_stdin(), F_SETFL, O_NONBLOCK);
2354 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2355 if ((i < 0) || (!i && read(fileno_stdin(), buf, 0) < 0))
2356 continue;
2357 if (read(fileno_stdin(), buf, 0) >= 0)
2358 read_from_terminal = 1;
2359 (void)fcntl(fileno_stdin(), F_SETFL, 0);
2360 #else
2361 if ((SSL_version(con) == DTLS1_VERSION) &&
2362 DTLSv1_get_timeout(con, &timeout))
2363 timeoutp = &timeout;
2364 else
2365 timeoutp = NULL;
2366
2367 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2368
2369 if ((SSL_version(con) == DTLS1_VERSION)
2370 && DTLSv1_handle_timeout(con) > 0) {
2371 BIO_printf(bio_err, "TIMEOUT occured\n");
2372 }
2373
2374 if (i <= 0)
2375 continue;
2376 if (FD_ISSET(fileno_stdin(), &readfds))
2377 read_from_terminal = 1;
2378 #endif
2379 if (FD_ISSET(s, &readfds))
2380 read_from_sslcon = 1;
2381 }
2382 if (read_from_terminal) {
2383 if (s_crlf) {
2384 int j, lf_num;
2385
2386 i = raw_read_stdin(buf, bufsize / 2);
2387 lf_num = 0;
2388 /* both loops are skipped when i <= 0 */
2389 for (j = 0; j < i; j++)
2390 if (buf[j] == '\n')
2391 lf_num++;
2392 for (j = i - 1; j >= 0; j--) {
2393 buf[j + lf_num] = buf[j];
2394 if (buf[j] == '\n') {
2395 lf_num--;
2396 i++;
2397 buf[j + lf_num] = '\r';
2398 }
2399 }
2400 assert(lf_num == 0);
2401 } else
2402 i = raw_read_stdin(buf, bufsize);
2403
2404 if (!s_quiet && !s_brief) {
2405 if ((i <= 0) || (buf[0] == 'Q')) {
2406 BIO_printf(bio_s_out, "DONE\n");
2407 SHUTDOWN(s);
2408 close_accept_socket();
2409 ret = -11;
2410 goto err;
2411 }
2412 if ((i <= 0) || (buf[0] == 'q')) {
2413 BIO_printf(bio_s_out, "DONE\n");
2414 if (SSL_version(con) != DTLS1_VERSION)
2415 SHUTDOWN(s);
2416 /*
2417 * close_accept_socket(); ret= -11;
2418 */
2419 goto err;
2420 }
2421 #ifndef OPENSSL_NO_HEARTBEATS
2422 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2423 BIO_printf(bio_err, "HEARTBEATING\n");
2424 SSL_heartbeat(con);
2425 i = 0;
2426 continue;
2427 }
2428 #endif
2429 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2430 SSL_renegotiate(con);
2431 i = SSL_do_handshake(con);
2432 printf("SSL_do_handshake -> %d\n", i);
2433 i = 0; /* 13; */
2434 continue;
2435 /*
2436 * strcpy(buf,"server side RE-NEGOTIATE\n");
2437 */
2438 }
2439 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2440 SSL_set_verify(con,
2441 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2442 NULL);
2443 SSL_renegotiate(con);
2444 i = SSL_do_handshake(con);
2445 printf("SSL_do_handshake -> %d\n", i);
2446 i = 0; /* 13; */
2447 continue;
2448 /*
2449 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2450 * cert\n");
2451 */
2452 }
2453 if (buf[0] == 'P') {
2454 static const char *str = "Lets print some clear text\n";
2455 BIO_write(SSL_get_wbio(con), str, strlen(str));
2456 }
2457 if (buf[0] == 'S') {
2458 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2459 }
2460 }
2461 #ifdef CHARSET_EBCDIC
2462 ebcdic2ascii(buf, buf, i);
2463 #endif
2464 l = k = 0;
2465 for (;;) {
2466 /* should do a select for the write */
2467 #ifdef RENEG
2468 {
2469 static count = 0;
2470 if (++count == 100) {
2471 count = 0;
2472 SSL_renegotiate(con);
2473 }
2474 }
2475 #endif
2476 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2477 #ifndef OPENSSL_NO_SRP
2478 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2479 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2480 SRP_user_pwd_free(srp_callback_parm.user);
2481 srp_callback_parm.user =
2482 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2483 srp_callback_parm.login);
2484 if (srp_callback_parm.user)
2485 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2486 srp_callback_parm.user->info);
2487 else
2488 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2489 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2490 }
2491 #endif
2492 switch (SSL_get_error(con, k)) {
2493 case SSL_ERROR_NONE:
2494 break;
2495 case SSL_ERROR_WANT_WRITE:
2496 case SSL_ERROR_WANT_READ:
2497 case SSL_ERROR_WANT_X509_LOOKUP:
2498 BIO_printf(bio_s_out, "Write BLOCK\n");
2499 break;
2500 case SSL_ERROR_SYSCALL:
2501 case SSL_ERROR_SSL:
2502 BIO_printf(bio_s_out, "ERROR\n");
2503 ERR_print_errors(bio_err);
2504 ret = 1;
2505 goto err;
2506 /* break; */
2507 case SSL_ERROR_ZERO_RETURN:
2508 BIO_printf(bio_s_out, "DONE\n");
2509 ret = 1;
2510 goto err;
2511 }
2512 if (k > 0) {
2513 l += k;
2514 i -= k;
2515 }
2516 if (i <= 0)
2517 break;
2518 }
2519 }
2520 if (read_from_sslcon) {
2521 if (!SSL_is_init_finished(con)) {
2522 i = init_ssl_connection(con);
2523
2524 if (i < 0) {
2525 ret = 0;
2526 goto err;
2527 } else if (i == 0) {
2528 ret = 1;
2529 goto err;
2530 }
2531 } else {
2532 again:
2533 i = SSL_read(con, (char *)buf, bufsize);
2534 #ifndef OPENSSL_NO_SRP
2535 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2536 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2537 SRP_user_pwd_free(srp_callback_parm.user);
2538 srp_callback_parm.user =
2539 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2540 srp_callback_parm.login);
2541 if (srp_callback_parm.user)
2542 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2543 srp_callback_parm.user->info);
2544 else
2545 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2546 i = SSL_read(con, (char *)buf, bufsize);
2547 }
2548 #endif
2549 switch (SSL_get_error(con, i)) {
2550 case SSL_ERROR_NONE:
2551 #ifdef CHARSET_EBCDIC
2552 ascii2ebcdic(buf, buf, i);
2553 #endif
2554 raw_write_stdout(buf, (unsigned int)i);
2555 if (SSL_pending(con))
2556 goto again;
2557 break;
2558 case SSL_ERROR_WANT_WRITE:
2559 case SSL_ERROR_WANT_READ:
2560 BIO_printf(bio_s_out, "Read BLOCK\n");
2561 break;
2562 case SSL_ERROR_SYSCALL:
2563 case SSL_ERROR_SSL:
2564 BIO_printf(bio_s_out, "ERROR\n");
2565 ERR_print_errors(bio_err);
2566 ret = 1;
2567 goto err;
2568 case SSL_ERROR_ZERO_RETURN:
2569 BIO_printf(bio_s_out, "DONE\n");
2570 ret = 1;
2571 goto err;
2572 }
2573 }
2574 }
2575 }
2576 err:
2577 if (con != NULL) {
2578 BIO_printf(bio_s_out, "shutting down SSL\n");
2579 #if 1
2580 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2581 #else
2582 SSL_shutdown(con);
2583 #endif
2584 SSL_free(con);
2585 }
2586 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2587 if (buf != NULL) {
2588 OPENSSL_cleanse(buf, bufsize);
2589 OPENSSL_free(buf);
2590 }
2591 if (ret >= 0)
2592 BIO_printf(bio_s_out, "ACCEPT\n");
2593 return (ret);
2594 }
2595
close_accept_socket(void)2596 static void close_accept_socket(void)
2597 {
2598 BIO_printf(bio_err, "shutdown accept socket\n");
2599 if (accept_socket >= 0) {
2600 SHUTDOWN2(accept_socket);
2601 }
2602 }
2603
init_ssl_connection(SSL * con)2604 static int init_ssl_connection(SSL *con)
2605 {
2606 int i;
2607 const char *str;
2608 X509 *peer;
2609 long verify_error;
2610 MS_STATIC char buf[BUFSIZ];
2611 #ifndef OPENSSL_NO_KRB5
2612 char *client_princ;
2613 #endif
2614 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2615 const unsigned char *next_proto_neg;
2616 unsigned next_proto_neg_len;
2617 #endif
2618 unsigned char *exportedkeymat;
2619
2620 i = SSL_accept(con);
2621 #ifdef CERT_CB_TEST_RETRY
2622 {
2623 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2624 && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) {
2625 fprintf(stderr,
2626 "LOOKUP from certificate callback during accept\n");
2627 i = SSL_accept(con);
2628 }
2629 }
2630 #endif
2631 #ifndef OPENSSL_NO_SRP
2632 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2633 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2634 srp_callback_parm.login);
2635 SRP_user_pwd_free(srp_callback_parm.user);
2636 srp_callback_parm.user =
2637 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2638 srp_callback_parm.login);
2639 if (srp_callback_parm.user)
2640 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2641 srp_callback_parm.user->info);
2642 else
2643 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2644 i = SSL_accept(con);
2645 }
2646 #endif
2647
2648 if (i <= 0) {
2649 if (BIO_sock_should_retry(i)) {
2650 BIO_printf(bio_s_out, "DELAY\n");
2651 return (1);
2652 }
2653
2654 BIO_printf(bio_err, "ERROR\n");
2655 verify_error = SSL_get_verify_result(con);
2656 if (verify_error != X509_V_OK) {
2657 BIO_printf(bio_err, "verify error:%s\n",
2658 X509_verify_cert_error_string(verify_error));
2659 }
2660 /* Always print any error messages */
2661 ERR_print_errors(bio_err);
2662 return (0);
2663 }
2664
2665 if (s_brief)
2666 print_ssl_summary(bio_err, con);
2667
2668 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2669
2670 peer = SSL_get_peer_certificate(con);
2671 if (peer != NULL) {
2672 BIO_printf(bio_s_out, "Client certificate\n");
2673 PEM_write_bio_X509(bio_s_out, peer);
2674 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2675 BIO_printf(bio_s_out, "subject=%s\n", buf);
2676 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2677 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2678 X509_free(peer);
2679 }
2680
2681 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2682 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2683 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2684 ssl_print_sigalgs(bio_s_out, con);
2685 #ifndef OPENSSL_NO_EC
2686 ssl_print_point_formats(bio_s_out, con);
2687 ssl_print_curves(bio_s_out, con, 0);
2688 #endif
2689 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2690
2691 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2692 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2693 if (next_proto_neg) {
2694 BIO_printf(bio_s_out, "NEXTPROTO is ");
2695 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2696 BIO_printf(bio_s_out, "\n");
2697 }
2698 #endif
2699 #ifndef OPENSSL_NO_SRTP
2700 {
2701 SRTP_PROTECTION_PROFILE *srtp_profile
2702 = SSL_get_selected_srtp_profile(con);
2703
2704 if (srtp_profile)
2705 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2706 srtp_profile->name);
2707 }
2708 #endif
2709 if (SSL_cache_hit(con))
2710 BIO_printf(bio_s_out, "Reused session-id\n");
2711 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) &
2712 TLS1_FLAGS_TLS_PADDING_BUG)
2713 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n");
2714 #ifndef OPENSSL_NO_KRB5
2715 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2716 if (client_princ != NULL) {
2717 BIO_printf(bio_s_out, "Kerberos peer principal is %s\n",
2718 client_princ);
2719 }
2720 #endif /* OPENSSL_NO_KRB5 */
2721 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2722 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2723 if (keymatexportlabel != NULL) {
2724 BIO_printf(bio_s_out, "Keying material exporter:\n");
2725 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2726 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2727 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2728 if (exportedkeymat != NULL) {
2729 if (!SSL_export_keying_material(con, exportedkeymat,
2730 keymatexportlen,
2731 keymatexportlabel,
2732 strlen(keymatexportlabel),
2733 NULL, 0, 0)) {
2734 BIO_printf(bio_s_out, " Error\n");
2735 } else {
2736 BIO_printf(bio_s_out, " Keying material: ");
2737 for (i = 0; i < keymatexportlen; i++)
2738 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2739 BIO_printf(bio_s_out, "\n");
2740 }
2741 OPENSSL_free(exportedkeymat);
2742 }
2743 }
2744
2745 return (1);
2746 }
2747
2748 #ifndef OPENSSL_NO_DH
load_dh_param(const char * dhfile)2749 static DH *load_dh_param(const char *dhfile)
2750 {
2751 DH *ret = NULL;
2752 BIO *bio;
2753
2754 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2755 goto err;
2756 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2757 err:
2758 if (bio != NULL)
2759 BIO_free(bio);
2760 return (ret);
2761 }
2762 #endif
2763 #ifndef OPENSSL_NO_KRB5
2764 char *client_princ;
2765 #endif
2766
2767 #if 0
2768 static int load_CA(SSL_CTX *ctx, char *file)
2769 {
2770 FILE *in;
2771 X509 *x = NULL;
2772
2773 if ((in = fopen(file, "r")) == NULL)
2774 return (0);
2775
2776 for (;;) {
2777 if (PEM_read_X509(in, &x, NULL) == NULL)
2778 break;
2779 SSL_CTX_add_client_CA(ctx, x);
2780 }
2781 if (x != NULL)
2782 X509_free(x);
2783 fclose(in);
2784 return (1);
2785 }
2786 #endif
2787
www_body(char * hostname,int s,int stype,unsigned char * context)2788 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2789 {
2790 char *buf = NULL;
2791 int ret = 1;
2792 int i, j, k, dot;
2793 SSL *con;
2794 const SSL_CIPHER *c;
2795 BIO *io, *ssl_bio, *sbio;
2796 #ifndef OPENSSL_NO_KRB5
2797 KSSL_CTX *kctx;
2798 #endif
2799
2800 buf = OPENSSL_malloc(bufsize);
2801 if (buf == NULL)
2802 return (0);
2803 io = BIO_new(BIO_f_buffer());
2804 ssl_bio = BIO_new(BIO_f_ssl());
2805 if ((io == NULL) || (ssl_bio == NULL))
2806 goto err;
2807
2808 #ifdef FIONBIO
2809 if (s_nbio) {
2810 unsigned long sl = 1;
2811
2812 if (!s_quiet)
2813 BIO_printf(bio_err, "turning on non blocking io\n");
2814 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2815 ERR_print_errors(bio_err);
2816 }
2817 #endif
2818
2819 /* lets make the output buffer a reasonable size */
2820 if (!BIO_set_write_buffer_size(io, bufsize))
2821 goto err;
2822
2823 if ((con = SSL_new(ctx)) == NULL)
2824 goto err;
2825 #ifndef OPENSSL_NO_TLSEXT
2826 if (s_tlsextdebug) {
2827 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2828 SSL_set_tlsext_debug_arg(con, bio_s_out);
2829 }
2830 #endif
2831 #ifndef OPENSSL_NO_KRB5
2832 if ((kctx = kssl_ctx_new()) != NULL) {
2833 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2834 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2835 }
2836 #endif /* OPENSSL_NO_KRB5 */
2837 if (context)
2838 SSL_set_session_id_context(con, context, strlen((char *)context));
2839
2840 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2841 if (s_nbio_test) {
2842 BIO *test;
2843
2844 test = BIO_new(BIO_f_nbio_test());
2845 sbio = BIO_push(test, sbio);
2846 }
2847 SSL_set_bio(con, sbio, sbio);
2848 SSL_set_accept_state(con);
2849
2850 /* SSL_set_fd(con,s); */
2851 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2852 BIO_push(io, ssl_bio);
2853 #ifdef CHARSET_EBCDIC
2854 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2855 #endif
2856
2857 if (s_debug) {
2858 SSL_set_debug(con, 1);
2859 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2860 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2861 }
2862 if (s_msg) {
2863 #ifndef OPENSSL_NO_SSL_TRACE
2864 if (s_msg == 2)
2865 SSL_set_msg_callback(con, SSL_trace);
2866 else
2867 #endif
2868 SSL_set_msg_callback(con, msg_cb);
2869 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2870 }
2871
2872 for (;;) {
2873 if (hack) {
2874 i = SSL_accept(con);
2875 #ifndef OPENSSL_NO_SRP
2876 while (i <= 0
2877 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2878 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2879 srp_callback_parm.login);
2880 SRP_user_pwd_free(srp_callback_parm.user);
2881 srp_callback_parm.user =
2882 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2883 srp_callback_parm.login);
2884 if (srp_callback_parm.user)
2885 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2886 srp_callback_parm.user->info);
2887 else
2888 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2889 i = SSL_accept(con);
2890 }
2891 #endif
2892 switch (SSL_get_error(con, i)) {
2893 case SSL_ERROR_NONE:
2894 break;
2895 case SSL_ERROR_WANT_WRITE:
2896 case SSL_ERROR_WANT_READ:
2897 case SSL_ERROR_WANT_X509_LOOKUP:
2898 continue;
2899 case SSL_ERROR_SYSCALL:
2900 case SSL_ERROR_SSL:
2901 case SSL_ERROR_ZERO_RETURN:
2902 ret = 1;
2903 goto err;
2904 /* break; */
2905 }
2906
2907 SSL_renegotiate(con);
2908 SSL_write(con, NULL, 0);
2909 }
2910
2911 i = BIO_gets(io, buf, bufsize - 1);
2912 if (i < 0) { /* error */
2913 if (!BIO_should_retry(io)) {
2914 if (!s_quiet)
2915 ERR_print_errors(bio_err);
2916 goto err;
2917 } else {
2918 BIO_printf(bio_s_out, "read R BLOCK\n");
2919 #ifndef OPENSSL_NO_SRP
2920 if (BIO_should_io_special(io)
2921 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2922 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2923 SRP_user_pwd_free(srp_callback_parm.user);
2924 srp_callback_parm.user =
2925 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2926 srp_callback_parm.login);
2927 if (srp_callback_parm.user)
2928 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2929 srp_callback_parm.user->info);
2930 else
2931 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2932 continue;
2933 }
2934 #endif
2935 #if defined(OPENSSL_SYS_NETWARE)
2936 delay(1000);
2937 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2938 sleep(1);
2939 #endif
2940 continue;
2941 }
2942 } else if (i == 0) { /* end of input */
2943 ret = 1;
2944 goto end;
2945 }
2946
2947 /* else we have data */
2948 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2949 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2950 char *p;
2951 X509 *peer;
2952 STACK_OF(SSL_CIPHER) *sk;
2953 static const char *space = " ";
2954
2955 BIO_puts(io,
2956 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2957 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2958 BIO_puts(io, "<pre>\n");
2959 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2960 BIO_puts(io, "\n");
2961 for (i = 0; i < local_argc; i++) {
2962 BIO_puts(io, local_argv[i]);
2963 BIO_write(io, " ", 1);
2964 }
2965 BIO_puts(io, "\n");
2966
2967 BIO_printf(io,
2968 "Secure Renegotiation IS%s supported\n",
2969 SSL_get_secure_renegotiation_support(con) ?
2970 "" : " NOT");
2971
2972 /*
2973 * The following is evil and should not really be done
2974 */
2975 BIO_printf(io, "Ciphers supported in s_server binary\n");
2976 sk = SSL_get_ciphers(con);
2977 j = sk_SSL_CIPHER_num(sk);
2978 for (i = 0; i < j; i++) {
2979 c = sk_SSL_CIPHER_value(sk, i);
2980 BIO_printf(io, "%-11s:%-25s",
2981 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2982 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2983 BIO_puts(io, "\n");
2984 }
2985 BIO_puts(io, "\n");
2986 p = SSL_get_shared_ciphers(con, buf, bufsize);
2987 if (p != NULL) {
2988 BIO_printf(io,
2989 "---\nCiphers common between both SSL end points:\n");
2990 j = i = 0;
2991 while (*p) {
2992 if (*p == ':') {
2993 BIO_write(io, space, 26 - j);
2994 i++;
2995 j = 0;
2996 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2997 } else {
2998 BIO_write(io, p, 1);
2999 j++;
3000 }
3001 p++;
3002 }
3003 BIO_puts(io, "\n");
3004 }
3005 ssl_print_sigalgs(io, con);
3006 #ifndef OPENSSL_NO_EC
3007 ssl_print_curves(io, con, 0);
3008 #endif
3009 BIO_printf(io, (SSL_cache_hit(con)
3010 ? "---\nReused, " : "---\nNew, "));
3011 c = SSL_get_current_cipher(con);
3012 BIO_printf(io, "%s, Cipher is %s\n",
3013 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3014 SSL_SESSION_print(io, SSL_get_session(con));
3015 BIO_printf(io, "---\n");
3016 print_stats(io, SSL_get_SSL_CTX(con));
3017 BIO_printf(io, "---\n");
3018 peer = SSL_get_peer_certificate(con);
3019 if (peer != NULL) {
3020 BIO_printf(io, "Client certificate\n");
3021 X509_print(io, peer);
3022 PEM_write_bio_X509(io, peer);
3023 } else
3024 BIO_puts(io, "no client certificate available\n");
3025 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
3026 break;
3027 } else if ((www == 2 || www == 3)
3028 && (strncmp("GET /", buf, 5) == 0)) {
3029 BIO *file;
3030 char *p, *e;
3031 static const char *text =
3032 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3033
3034 /* skip the '/' */
3035 p = &(buf[5]);
3036
3037 dot = 1;
3038 for (e = p; *e != '\0'; e++) {
3039 if (e[0] == ' ')
3040 break;
3041
3042 switch (dot) {
3043 case 1:
3044 dot = (e[0] == '.') ? 2 : 0;
3045 break;
3046 case 2:
3047 dot = (e[0] == '.') ? 3 : 0;
3048 break;
3049 case 3:
3050 dot = (e[0] == '/') ? -1 : 0;
3051 break;
3052 }
3053 if (dot == 0)
3054 dot = (e[0] == '/') ? 1 : 0;
3055 }
3056 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3057 * component */
3058
3059 if (*e == '\0') {
3060 BIO_puts(io, text);
3061 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3062 break;
3063 }
3064 *e = '\0';
3065
3066 if (dot) {
3067 BIO_puts(io, text);
3068 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3069 break;
3070 }
3071
3072 if (*p == '/') {
3073 BIO_puts(io, text);
3074 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3075 break;
3076 }
3077 #if 0
3078 /* append if a directory lookup */
3079 if (e[-1] == '/')
3080 strcat(p, "index.html");
3081 #endif
3082
3083 /* if a directory, do the index thang */
3084 if (app_isdir(p) > 0) {
3085 #if 0 /* must check buffer size */
3086 strcat(p, "/index.html");
3087 #else
3088 BIO_puts(io, text);
3089 BIO_printf(io, "'%s' is a directory\r\n", p);
3090 break;
3091 #endif
3092 }
3093
3094 if ((file = BIO_new_file(p, "r")) == NULL) {
3095 BIO_puts(io, text);
3096 BIO_printf(io, "Error opening '%s'\r\n", p);
3097 ERR_print_errors(io);
3098 break;
3099 }
3100
3101 if (!s_quiet)
3102 BIO_printf(bio_err, "FILE:%s\n", p);
3103
3104 if (www == 2) {
3105 i = strlen(p);
3106 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3107 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3108 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3109 BIO_puts(io,
3110 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3111 else
3112 BIO_puts(io,
3113 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3114 }
3115 /* send the file */
3116 for (;;) {
3117 i = BIO_read(file, buf, bufsize);
3118 if (i <= 0)
3119 break;
3120
3121 #ifdef RENEG
3122 total_bytes += i;
3123 fprintf(stderr, "%d\n", i);
3124 if (total_bytes > 3 * 1024) {
3125 total_bytes = 0;
3126 fprintf(stderr, "RENEGOTIATE\n");
3127 SSL_renegotiate(con);
3128 }
3129 #endif
3130
3131 for (j = 0; j < i;) {
3132 #ifdef RENEG
3133 {
3134 static count = 0;
3135 if (++count == 13) {
3136 SSL_renegotiate(con);
3137 }
3138 }
3139 #endif
3140 k = BIO_write(io, &(buf[j]), i - j);
3141 if (k <= 0) {
3142 if (!BIO_should_retry(io))
3143 goto write_error;
3144 else {
3145 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3146 }
3147 } else {
3148 j += k;
3149 }
3150 }
3151 }
3152 write_error:
3153 BIO_free(file);
3154 break;
3155 }
3156 }
3157
3158 for (;;) {
3159 i = (int)BIO_flush(io);
3160 if (i <= 0) {
3161 if (!BIO_should_retry(io))
3162 break;
3163 } else
3164 break;
3165 }
3166 end:
3167 #if 1
3168 /* make sure we re-use sessions */
3169 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3170 #else
3171 /* This kills performance */
3172 /*
3173 * SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io)
3174 * procession
3175 */
3176 #endif
3177
3178 err:
3179
3180 if (ret >= 0)
3181 BIO_printf(bio_s_out, "ACCEPT\n");
3182
3183 if (buf != NULL)
3184 OPENSSL_free(buf);
3185 if (io != NULL)
3186 BIO_free_all(io);
3187 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3188 return (ret);
3189 }
3190
rev_body(char * hostname,int s,int stype,unsigned char * context)3191 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3192 {
3193 char *buf = NULL;
3194 int i;
3195 int ret = 1;
3196 SSL *con;
3197 BIO *io, *ssl_bio, *sbio;
3198 #ifndef OPENSSL_NO_KRB5
3199 KSSL_CTX *kctx;
3200 #endif
3201
3202 buf = OPENSSL_malloc(bufsize);
3203 if (buf == NULL)
3204 return (0);
3205 io = BIO_new(BIO_f_buffer());
3206 ssl_bio = BIO_new(BIO_f_ssl());
3207 if ((io == NULL) || (ssl_bio == NULL))
3208 goto err;
3209
3210 /* lets make the output buffer a reasonable size */
3211 if (!BIO_set_write_buffer_size(io, bufsize))
3212 goto err;
3213
3214 if ((con = SSL_new(ctx)) == NULL)
3215 goto err;
3216 #ifndef OPENSSL_NO_TLSEXT
3217 if (s_tlsextdebug) {
3218 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3219 SSL_set_tlsext_debug_arg(con, bio_s_out);
3220 }
3221 #endif
3222 #ifndef OPENSSL_NO_KRB5
3223 if ((kctx = kssl_ctx_new()) != NULL) {
3224 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3225 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3226 }
3227 #endif /* OPENSSL_NO_KRB5 */
3228 if (context)
3229 SSL_set_session_id_context(con, context, strlen((char *)context));
3230
3231 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3232 SSL_set_bio(con, sbio, sbio);
3233 SSL_set_accept_state(con);
3234
3235 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3236 BIO_push(io, ssl_bio);
3237 #ifdef CHARSET_EBCDIC
3238 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3239 #endif
3240
3241 if (s_debug) {
3242 SSL_set_debug(con, 1);
3243 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3244 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3245 }
3246 if (s_msg) {
3247 #ifndef OPENSSL_NO_SSL_TRACE
3248 if (s_msg == 2)
3249 SSL_set_msg_callback(con, SSL_trace);
3250 else
3251 #endif
3252 SSL_set_msg_callback(con, msg_cb);
3253 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3254 }
3255
3256 for (;;) {
3257 i = BIO_do_handshake(io);
3258 if (i > 0)
3259 break;
3260 if (!BIO_should_retry(io)) {
3261 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3262 ERR_print_errors(bio_err);
3263 goto end;
3264 }
3265 #ifndef OPENSSL_NO_SRP
3266 if (BIO_should_io_special(io)
3267 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3268 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3269 SRP_user_pwd_free(srp_callback_parm.user);
3270 srp_callback_parm.user =
3271 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3272 srp_callback_parm.login);
3273 if (srp_callback_parm.user)
3274 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3275 srp_callback_parm.user->info);
3276 else
3277 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3278 continue;
3279 }
3280 #endif
3281 }
3282 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3283 print_ssl_summary(bio_err, con);
3284
3285 for (;;) {
3286 i = BIO_gets(io, buf, bufsize - 1);
3287 if (i < 0) { /* error */
3288 if (!BIO_should_retry(io)) {
3289 if (!s_quiet)
3290 ERR_print_errors(bio_err);
3291 goto err;
3292 } else {
3293 BIO_printf(bio_s_out, "read R BLOCK\n");
3294 #ifndef OPENSSL_NO_SRP
3295 if (BIO_should_io_special(io)
3296 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3297 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3298 SRP_user_pwd_free(srp_callback_parm.user);
3299 srp_callback_parm.user =
3300 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3301 srp_callback_parm.login);
3302 if (srp_callback_parm.user)
3303 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3304 srp_callback_parm.user->info);
3305 else
3306 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3307 continue;
3308 }
3309 #endif
3310 #if defined(OPENSSL_SYS_NETWARE)
3311 delay(1000);
3312 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3313 sleep(1);
3314 #endif
3315 continue;
3316 }
3317 } else if (i == 0) { /* end of input */
3318 ret = 1;
3319 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3320 goto end;
3321 } else {
3322 char *p = buf + i - 1;
3323 while (i && (*p == '\n' || *p == '\r')) {
3324 p--;
3325 i--;
3326 }
3327 if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5)) {
3328 ret = 1;
3329 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3330 goto end;
3331 }
3332 BUF_reverse((unsigned char *)buf, NULL, i);
3333 buf[i] = '\n';
3334 BIO_write(io, buf, i + 1);
3335 for (;;) {
3336 i = BIO_flush(io);
3337 if (i > 0)
3338 break;
3339 if (!BIO_should_retry(io))
3340 goto end;
3341 }
3342 }
3343 }
3344 end:
3345 /* make sure we re-use sessions */
3346 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3347
3348 err:
3349
3350 if (buf != NULL)
3351 OPENSSL_free(buf);
3352 if (io != NULL)
3353 BIO_free_all(io);
3354 return (ret);
3355 }
3356
3357 #ifndef OPENSSL_NO_RSA
tmp_rsa_cb(SSL * s,int is_export,int keylength)3358 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3359 {
3360 BIGNUM *bn = NULL;
3361 static RSA *rsa_tmp = NULL;
3362
3363 if (!rsa_tmp && ((bn = BN_new()) == NULL))
3364 BIO_printf(bio_err, "Allocation error in generating RSA key\n");
3365 if (!rsa_tmp && bn) {
3366 if (!s_quiet) {
3367 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...",
3368 keylength);
3369 (void)BIO_flush(bio_err);
3370 }
3371 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3372 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) {
3373 if (rsa_tmp)
3374 RSA_free(rsa_tmp);
3375 rsa_tmp = NULL;
3376 }
3377 if (!s_quiet) {
3378 BIO_printf(bio_err, "\n");
3379 (void)BIO_flush(bio_err);
3380 }
3381 BN_free(bn);
3382 }
3383 return (rsa_tmp);
3384 }
3385 #endif
3386
3387 #define MAX_SESSION_ID_ATTEMPTS 10
generate_session_id(const SSL * ssl,unsigned char * id,unsigned int * id_len)3388 static int generate_session_id(const SSL *ssl, unsigned char *id,
3389 unsigned int *id_len)
3390 {
3391 unsigned int count = 0;
3392 do {
3393 if (RAND_bytes(id, *id_len) <= 0)
3394 return 0;
3395 /*
3396 * Prefix the session_id with the required prefix. NB: If our prefix
3397 * is too long, clip it - but there will be worse effects anyway, eg.
3398 * the server could only possibly create 1 session ID (ie. the
3399 * prefix!) so all future session negotiations will fail due to
3400 * conflicts.
3401 */
3402 memcpy(id, session_id_prefix,
3403 (strlen(session_id_prefix) < *id_len) ?
3404 strlen(session_id_prefix) : *id_len);
3405 }
3406 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3407 (++count < MAX_SESSION_ID_ATTEMPTS));
3408 if (count >= MAX_SESSION_ID_ATTEMPTS)
3409 return 0;
3410 return 1;
3411 }
3412
3413 /*
3414 * By default s_server uses an in-memory cache which caches SSL_SESSION
3415 * structures without any serialisation. This hides some bugs which only
3416 * become apparent in deployed servers. By implementing a basic external
3417 * session cache some issues can be debugged using s_server.
3418 */
3419
3420 typedef struct simple_ssl_session_st {
3421 unsigned char *id;
3422 unsigned int idlen;
3423 unsigned char *der;
3424 int derlen;
3425 struct simple_ssl_session_st *next;
3426 } simple_ssl_session;
3427
3428 static simple_ssl_session *first = NULL;
3429
add_session(SSL * ssl,SSL_SESSION * session)3430 static int add_session(SSL *ssl, SSL_SESSION *session)
3431 {
3432 simple_ssl_session *sess;
3433 unsigned char *p;
3434
3435 sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3436 if (!sess) {
3437 BIO_printf(bio_err, "Out of memory adding session to external cache\n");
3438 return 0;
3439 }
3440
3441 SSL_SESSION_get_id(session, &sess->idlen);
3442 sess->derlen = i2d_SSL_SESSION(session, NULL);
3443
3444 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3445
3446 sess->der = OPENSSL_malloc(sess->derlen);
3447 if (!sess->id || !sess->der) {
3448 BIO_printf(bio_err, "Out of memory adding session to external cache\n");
3449
3450 if (sess->id)
3451 OPENSSL_free(sess->id);
3452 if (sess->der)
3453 OPENSSL_free(sess->der);
3454 OPENSSL_free(sess);
3455 return 0;
3456 }
3457 p = sess->der;
3458 i2d_SSL_SESSION(session, &p);
3459
3460 sess->next = first;
3461 first = sess;
3462 BIO_printf(bio_err, "New session added to external cache\n");
3463 return 0;
3464 }
3465
get_session(SSL * ssl,unsigned char * id,int idlen,int * do_copy)3466 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3467 int *do_copy)
3468 {
3469 simple_ssl_session *sess;
3470 *do_copy = 0;
3471 for (sess = first; sess; sess = sess->next) {
3472 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3473 const unsigned char *p = sess->der;
3474 BIO_printf(bio_err, "Lookup session: cache hit\n");
3475 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3476 }
3477 }
3478 BIO_printf(bio_err, "Lookup session: cache miss\n");
3479 return NULL;
3480 }
3481
del_session(SSL_CTX * sctx,SSL_SESSION * session)3482 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3483 {
3484 simple_ssl_session *sess, *prev = NULL;
3485 const unsigned char *id;
3486 unsigned int idlen;
3487 id = SSL_SESSION_get_id(session, &idlen);
3488 for (sess = first; sess; sess = sess->next) {
3489 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3490 if (prev)
3491 prev->next = sess->next;
3492 else
3493 first = sess->next;
3494 OPENSSL_free(sess->id);
3495 OPENSSL_free(sess->der);
3496 OPENSSL_free(sess);
3497 return;
3498 }
3499 prev = sess;
3500 }
3501 }
3502
init_session_cache_ctx(SSL_CTX * sctx)3503 static void init_session_cache_ctx(SSL_CTX *sctx)
3504 {
3505 SSL_CTX_set_session_cache_mode(sctx,
3506 SSL_SESS_CACHE_NO_INTERNAL |
3507 SSL_SESS_CACHE_SERVER);
3508 SSL_CTX_sess_set_new_cb(sctx, add_session);
3509 SSL_CTX_sess_set_get_cb(sctx, get_session);
3510 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3511 }
3512
free_sessions(void)3513 static void free_sessions(void)
3514 {
3515 simple_ssl_session *sess, *tsess;
3516 for (sess = first; sess;) {
3517 OPENSSL_free(sess->id);
3518 OPENSSL_free(sess->der);
3519 tsess = sess;
3520 sess = sess->next;
3521 OPENSSL_free(tsess);
3522 }
3523 first = NULL;
3524 }
3525