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[thirdparty/openssl.git] / apps / s_server.c
1 /* apps/s_server.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
118 *
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121 * license.
122 *
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
126 *
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
130 *
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
135 *
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140 * OTHERWISE.
141 */
142
143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
144 * deprecated functions for openssl-internal code */
145 #ifdef OPENSSL_NO_DEPRECATED
146 #undef OPENSSL_NO_DEPRECATED
147 #endif
148
149 #include <assert.h>
150 #include <ctype.h>
151 #include <stdio.h>
152 #include <stdlib.h>
153 #include <string.h>
154
155 #include <openssl/e_os2.h>
156 #ifdef OPENSSL_NO_STDIO
157 #define APPS_WIN16
158 #endif
159
160 #if !defined(OPENSSL_SYS_NETWARE) /* conflicts with winsock2 stuff on netware */
161 #include <sys/types.h>
162 #endif
163
164 /* With IPv6, it looks like Digital has mixed up the proper order of
165 recursive header file inclusion, resulting in the compiler complaining
166 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
167 is needed to have fileno() declared correctly... So let's define u_int */
168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
169 #define __U_INT
170 typedef unsigned int u_int;
171 #endif
172
173 #include <openssl/lhash.h>
174 #include <openssl/bn.h>
175 #define USE_SOCKETS
176 #include "apps.h"
177 #include <openssl/err.h>
178 #include <openssl/pem.h>
179 #include <openssl/x509.h>
180 #include <openssl/ssl.h>
181 #include <openssl/rand.h>
182 #include <openssl/ocsp.h>
183 #ifndef OPENSSL_NO_DH
184 #include <openssl/dh.h>
185 #endif
186 #ifndef OPENSSL_NO_RSA
187 #include <openssl/rsa.h>
188 #endif
189 #ifndef OPENSSL_NO_SRP
190 #include <openssl/srp.h>
191 #endif
192 #include "s_apps.h"
193 #include "timeouts.h"
194
195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
197 #undef FIONBIO
198 #endif
199
200 #if defined(OPENSSL_SYS_BEOS_R5)
201 #include <fcntl.h>
202 #endif
203
204 #ifndef OPENSSL_NO_RSA
205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
206 #endif
207 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
208 static int sv_body(char *hostname, int s, unsigned char *context);
209 static int www_body(char *hostname, int s, unsigned char *context);
210 static void close_accept_socket(void );
211 static void sv_usage(void);
212 static int init_ssl_connection(SSL *s);
213 static void print_stats(BIO *bp,SSL_CTX *ctx);
214 static int generate_session_id(const SSL *ssl, unsigned char *id,
215 unsigned int *id_len);
216 static void init_session_cache_ctx(SSL_CTX *sctx);
217 static void free_sessions(void);
218 #ifndef OPENSSL_NO_DH
219 static DH *load_dh_param(const char *dhfile);
220 static DH *get_dh512(void);
221 #endif
222
223 #ifdef MONOLITH
224 static void s_server_init(void);
225 #endif
226
227 #ifndef OPENSSL_NO_DH
228 static unsigned char dh512_p[]={
229 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
230 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
231 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
232 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
233 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
234 0x47,0x74,0xE8,0x33,
235 };
236 static unsigned char dh512_g[]={
237 0x02,
238 };
239
240 static DH *get_dh512(void)
241 {
242 DH *dh=NULL;
243
244 if ((dh=DH_new()) == NULL) return(NULL);
245 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
246 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
247 if ((dh->p == NULL) || (dh->g == NULL))
248 return(NULL);
249 return(dh);
250 }
251 #endif
252
253
254 /* static int load_CA(SSL_CTX *ctx, char *file);*/
255
256 #undef BUFSIZZ
257 #define BUFSIZZ 16*1024
258 static int bufsize=BUFSIZZ;
259 static int accept_socket= -1;
260
261 #define TEST_CERT "server.pem"
262 #ifndef OPENSSL_NO_TLSEXT
263 #define TEST_CERT2 "server2.pem"
264 #endif
265 #undef PROG
266 #define PROG s_server_main
267
268 extern int verify_depth, verify_return_error;
269
270 static char *cipher=NULL;
271 static int s_server_verify=SSL_VERIFY_NONE;
272 static int s_server_session_id_context = 1; /* anything will do */
273 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
274 #ifndef OPENSSL_NO_TLSEXT
275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
276 #endif
277 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
278 #ifdef FIONBIO
279 static int s_nbio=0;
280 #endif
281 static int s_nbio_test=0;
282 int s_crlf=0;
283 static SSL_CTX *ctx=NULL;
284 #ifndef OPENSSL_NO_TLSEXT
285 static SSL_CTX *ctx2=NULL;
286 #endif
287 static int www=0;
288
289 static BIO *bio_s_out=NULL;
290 static int s_debug=0;
291 #ifndef OPENSSL_NO_TLSEXT
292 static int s_tlsextdebug=0;
293 static int s_tlsextstatus=0;
294 static int cert_status_cb(SSL *s, void *arg);
295 #endif
296 static int no_resume_ephemeral = 0;
297 static int s_msg=0;
298 static int s_quiet=0;
299
300 static int hack=0;
301 #ifndef OPENSSL_NO_ENGINE
302 static char *engine_id=NULL;
303 #endif
304 static const char *session_id_prefix=NULL;
305
306 static int enable_timeouts = 0;
307 static long socket_mtu;
308 #ifndef OPENSSL_NO_DTLS1
309 static int cert_chain = 0;
310 #endif
311
312 #ifndef OPENSSL_NO_PSK
313 static char *psk_identity="Client_identity";
314 char *psk_key=NULL; /* by default PSK is not used */
315
316 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
317 unsigned char *psk, unsigned int max_psk_len)
318 {
319 unsigned int psk_len = 0;
320 int ret;
321 BIGNUM *bn = NULL;
322
323 if (s_debug)
324 BIO_printf(bio_s_out,"psk_server_cb\n");
325 if (!identity)
326 {
327 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
328 goto out_err;
329 }
330 if (s_debug)
331 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
332 identity ? (int)strlen(identity) : 0, identity);
333
334 /* here we could lookup the given identity e.g. from a database */
335 if (strcmp(identity, psk_identity) != 0)
336 {
337 BIO_printf(bio_s_out, "PSK error: client identity not found"
338 " (got '%s' expected '%s')\n", identity,
339 psk_identity);
340 goto out_err;
341 }
342 if (s_debug)
343 BIO_printf(bio_s_out, "PSK client identity found\n");
344
345 /* convert the PSK key to binary */
346 ret = BN_hex2bn(&bn, psk_key);
347 if (!ret)
348 {
349 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
350 if (bn)
351 BN_free(bn);
352 return 0;
353 }
354 if (BN_num_bytes(bn) > (int)max_psk_len)
355 {
356 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
357 max_psk_len, BN_num_bytes(bn));
358 BN_free(bn);
359 return 0;
360 }
361
362 ret = BN_bn2bin(bn, psk);
363 BN_free(bn);
364
365 if (ret < 0)
366 goto out_err;
367 psk_len = (unsigned int)ret;
368
369 if (s_debug)
370 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
371 return psk_len;
372 out_err:
373 if (s_debug)
374 BIO_printf(bio_err, "Error in PSK server callback\n");
375 return 0;
376 }
377 #endif
378
379 #ifndef OPENSSL_NO_SRP
380 /* This is a context that we pass to callbacks */
381 typedef struct srpsrvparm_st
382 {
383 int verbose;
384 char *login;
385 SRP_VBASE *vb;
386 } srpsrvparm;
387
388 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
389 {
390 srpsrvparm *p = arg;
391 SRP_user_pwd *user;
392
393 p->login = BUF_strdup(SSL_get_srp_username(s));
394 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
395
396 user = SRP_VBASE_get_by_user(p->vb, p->login);
397 if (user == NULL)
398 {
399 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
400 return SSL3_AL_FATAL;
401 }
402 if (SSL_set_srp_server_param(s, user->N, user->g, user->s, user->v,
403 user->info) < 0)
404 {
405 *ad = SSL_AD_INTERNAL_ERROR;
406 return SSL3_AL_FATAL;
407 }
408 return SSL_ERROR_NONE;
409 }
410
411 #endif
412
413 #ifdef MONOLITH
414 static void s_server_init(void)
415 {
416 accept_socket=-1;
417 cipher=NULL;
418 s_server_verify=SSL_VERIFY_NONE;
419 s_dcert_file=NULL;
420 s_dkey_file=NULL;
421 s_cert_file=TEST_CERT;
422 s_key_file=NULL;
423 #ifndef OPENSSL_NO_TLSEXT
424 s_cert_file2=TEST_CERT2;
425 s_key_file2=NULL;
426 ctx2=NULL;
427 #endif
428 #ifdef FIONBIO
429 s_nbio=0;
430 #endif
431 s_nbio_test=0;
432 ctx=NULL;
433 www=0;
434
435 bio_s_out=NULL;
436 s_debug=0;
437 s_msg=0;
438 s_quiet=0;
439 hack=0;
440 #ifndef OPENSSL_NO_ENGINE
441 engine_id=NULL;
442 #endif
443 }
444 #endif
445
446 static void sv_usage(void)
447 {
448 BIO_printf(bio_err,"usage: s_server [args ...]\n");
449 BIO_printf(bio_err,"\n");
450 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
451 BIO_printf(bio_err," -context arg - set session ID context\n");
452 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
453 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
454 BIO_printf(bio_err," -cert arg - certificate file to use\n");
455 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
456 BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \
457 " The CRL(s) are appended to the certificate file\n");
458 BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
459 " or any other CRL in the CA chain. CRL(s) are appened to the\n" \
460 " the certificate file.\n");
461 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
462 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n");
463 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
464 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
465 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
466 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
467 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n");
468 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
469 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
470 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n");
471 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
472 BIO_printf(bio_err," or a default set of parameters is used\n");
473 #ifndef OPENSSL_NO_ECDH
474 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
475 " Use \"openssl ecparam -list_curves\" for all names\n" \
476 " (default is nistp256).\n");
477 #endif
478 #ifdef FIONBIO
479 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
480 #endif
481 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
482 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
483 BIO_printf(bio_err," -debug - Print more output\n");
484 BIO_printf(bio_err," -msg - Show protocol messages\n");
485 BIO_printf(bio_err," -state - Print the SSL states\n");
486 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
487 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
488 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
489 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
490 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
491 BIO_printf(bio_err," -quiet - No server output\n");
492 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
493 #ifndef OPENSSL_NO_PSK
494 BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
495 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
496 # ifndef OPENSSL_NO_JPAKE
497 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
498 # endif
499 #endif
500 #ifndef OPENSSL_NO_SRP
501 BIO_printf(bio_err," -srpvfile file - The verifier file for SRP\n");
502 BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
503 #endif
504 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
505 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
506 BIO_printf(bio_err," -tls1_2 - Just talk TLSv1.2\n");
507 BIO_printf(bio_err," -tls1_1 - Just talk TLSv1.1\n");
508 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
509 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n");
510 BIO_printf(bio_err," -timeout - Enable timeouts\n");
511 BIO_printf(bio_err," -mtu - Set link layer MTU\n");
512 BIO_printf(bio_err," -chain - Read a certificate chain\n");
513 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
514 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
515 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
516 BIO_printf(bio_err," -no_tls1_1 - Just disable TLSv1.1\n");
517 BIO_printf(bio_err," -no_tls1_2 - Just disable TLSv1.2\n");
518 #ifndef OPENSSL_NO_DH
519 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
520 #endif
521 #ifndef OPENSSL_NO_ECDH
522 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
523 #endif
524 BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
525 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
526 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
527 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
528 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
529 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
530 #ifndef OPENSSL_NO_ENGINE
531 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
532 #endif
533 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
534 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
535 #ifndef OPENSSL_NO_TLSEXT
536 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
537 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
538 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n");
539 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2);
540 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n");
541 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2);
542 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
543 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
544 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
545 # ifndef OPENSSL_NO_NEXTPROTONEG
546 BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
547 # endif
548 #endif
549 }
550
551 static int local_argc=0;
552 static char **local_argv;
553
554 #ifdef CHARSET_EBCDIC
555 static int ebcdic_new(BIO *bi);
556 static int ebcdic_free(BIO *a);
557 static int ebcdic_read(BIO *b, char *out, int outl);
558 static int ebcdic_write(BIO *b, const char *in, int inl);
559 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
560 static int ebcdic_gets(BIO *bp, char *buf, int size);
561 static int ebcdic_puts(BIO *bp, const char *str);
562
563 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
564 static BIO_METHOD methods_ebcdic=
565 {
566 BIO_TYPE_EBCDIC_FILTER,
567 "EBCDIC/ASCII filter",
568 ebcdic_write,
569 ebcdic_read,
570 ebcdic_puts,
571 ebcdic_gets,
572 ebcdic_ctrl,
573 ebcdic_new,
574 ebcdic_free,
575 };
576
577 typedef struct
578 {
579 size_t alloced;
580 char buff[1];
581 } EBCDIC_OUTBUFF;
582
583 BIO_METHOD *BIO_f_ebcdic_filter()
584 {
585 return(&methods_ebcdic);
586 }
587
588 static int ebcdic_new(BIO *bi)
589 {
590 EBCDIC_OUTBUFF *wbuf;
591
592 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
593 wbuf->alloced = 1024;
594 wbuf->buff[0] = '\0';
595
596 bi->ptr=(char *)wbuf;
597 bi->init=1;
598 bi->flags=0;
599 return(1);
600 }
601
602 static int ebcdic_free(BIO *a)
603 {
604 if (a == NULL) return(0);
605 if (a->ptr != NULL)
606 OPENSSL_free(a->ptr);
607 a->ptr=NULL;
608 a->init=0;
609 a->flags=0;
610 return(1);
611 }
612
613 static int ebcdic_read(BIO *b, char *out, int outl)
614 {
615 int ret=0;
616
617 if (out == NULL || outl == 0) return(0);
618 if (b->next_bio == NULL) return(0);
619
620 ret=BIO_read(b->next_bio,out,outl);
621 if (ret > 0)
622 ascii2ebcdic(out,out,ret);
623 return(ret);
624 }
625
626 static int ebcdic_write(BIO *b, const char *in, int inl)
627 {
628 EBCDIC_OUTBUFF *wbuf;
629 int ret=0;
630 int num;
631 unsigned char n;
632
633 if ((in == NULL) || (inl <= 0)) return(0);
634 if (b->next_bio == NULL) return(0);
635
636 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
637
638 if (inl > (num = wbuf->alloced))
639 {
640 num = num + num; /* double the size */
641 if (num < inl)
642 num = inl;
643 OPENSSL_free(wbuf);
644 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
645
646 wbuf->alloced = num;
647 wbuf->buff[0] = '\0';
648
649 b->ptr=(char *)wbuf;
650 }
651
652 ebcdic2ascii(wbuf->buff, in, inl);
653
654 ret=BIO_write(b->next_bio, wbuf->buff, inl);
655
656 return(ret);
657 }
658
659 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
660 {
661 long ret;
662
663 if (b->next_bio == NULL) return(0);
664 switch (cmd)
665 {
666 case BIO_CTRL_DUP:
667 ret=0L;
668 break;
669 default:
670 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
671 break;
672 }
673 return(ret);
674 }
675
676 static int ebcdic_gets(BIO *bp, char *buf, int size)
677 {
678 int i, ret=0;
679 if (bp->next_bio == NULL) return(0);
680 /* return(BIO_gets(bp->next_bio,buf,size));*/
681 for (i=0; i<size-1; ++i)
682 {
683 ret = ebcdic_read(bp,&buf[i],1);
684 if (ret <= 0)
685 break;
686 else if (buf[i] == '\n')
687 {
688 ++i;
689 break;
690 }
691 }
692 if (i < size)
693 buf[i] = '\0';
694 return (ret < 0 && i == 0) ? ret : i;
695 }
696
697 static int ebcdic_puts(BIO *bp, const char *str)
698 {
699 if (bp->next_bio == NULL) return(0);
700 return ebcdic_write(bp, str, strlen(str));
701 }
702 #endif
703
704 #ifndef OPENSSL_NO_TLSEXT
705
706 /* This is a context that we pass to callbacks */
707 typedef struct tlsextctx_st {
708 char * servername;
709 BIO * biodebug;
710 int extension_error;
711 } tlsextctx;
712
713
714 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
715 {
716 tlsextctx * p = (tlsextctx *) arg;
717 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
718 if (servername && p->biodebug)
719 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
720
721 if (!p->servername)
722 return SSL_TLSEXT_ERR_NOACK;
723
724 if (servername)
725 {
726 if (strcmp(servername,p->servername))
727 return p->extension_error;
728 if (ctx2)
729 {
730 BIO_printf(p->biodebug,"Switching server context.\n");
731 SSL_set_SSL_CTX(s,ctx2);
732 }
733 }
734 return SSL_TLSEXT_ERR_OK;
735 }
736
737 /* Structure passed to cert status callback */
738
739 typedef struct tlsextstatusctx_st {
740 /* Default responder to use */
741 char *host, *path, *port;
742 int use_ssl;
743 int timeout;
744 BIO *err;
745 int verbose;
746 } tlsextstatusctx;
747
748 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
749
750 /* Certificate Status callback. This is called when a client includes a
751 * certificate status request extension.
752 *
753 * This is a simplified version. It examines certificates each time and
754 * makes one OCSP responder query for each request.
755 *
756 * A full version would store details such as the OCSP certificate IDs and
757 * minimise the number of OCSP responses by caching them until they were
758 * considered "expired".
759 */
760
761 static int cert_status_cb(SSL *s, void *arg)
762 {
763 tlsextstatusctx *srctx = arg;
764 BIO *err = srctx->err;
765 char *host, *port, *path;
766 int use_ssl;
767 unsigned char *rspder = NULL;
768 int rspderlen;
769 STACK_OF(OPENSSL_STRING) *aia = NULL;
770 X509 *x = NULL;
771 X509_STORE_CTX inctx;
772 X509_OBJECT obj;
773 OCSP_REQUEST *req = NULL;
774 OCSP_RESPONSE *resp = NULL;
775 OCSP_CERTID *id = NULL;
776 STACK_OF(X509_EXTENSION) *exts;
777 int ret = SSL_TLSEXT_ERR_NOACK;
778 int i;
779 #if 0
780 STACK_OF(OCSP_RESPID) *ids;
781 SSL_get_tlsext_status_ids(s, &ids);
782 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
783 #endif
784 if (srctx->verbose)
785 BIO_puts(err, "cert_status: callback called\n");
786 /* Build up OCSP query from server certificate */
787 x = SSL_get_certificate(s);
788 aia = X509_get1_ocsp(x);
789 if (aia)
790 {
791 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
792 &host, &port, &path, &use_ssl))
793 {
794 BIO_puts(err, "cert_status: can't parse AIA URL\n");
795 goto err;
796 }
797 if (srctx->verbose)
798 BIO_printf(err, "cert_status: AIA URL: %s\n",
799 sk_OPENSSL_STRING_value(aia, 0));
800 }
801 else
802 {
803 if (!srctx->host)
804 {
805 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
806 goto done;
807 }
808 host = srctx->host;
809 path = srctx->path;
810 port = srctx->port;
811 use_ssl = srctx->use_ssl;
812 }
813
814 if (!X509_STORE_CTX_init(&inctx,
815 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
816 NULL, NULL))
817 goto err;
818 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
819 X509_get_issuer_name(x),&obj) <= 0)
820 {
821 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
822 X509_STORE_CTX_cleanup(&inctx);
823 goto done;
824 }
825 req = OCSP_REQUEST_new();
826 if (!req)
827 goto err;
828 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
829 X509_free(obj.data.x509);
830 X509_STORE_CTX_cleanup(&inctx);
831 if (!id)
832 goto err;
833 if (!OCSP_request_add0_id(req, id))
834 goto err;
835 id = NULL;
836 /* Add any extensions to the request */
837 SSL_get_tlsext_status_exts(s, &exts);
838 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
839 {
840 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
841 if (!OCSP_REQUEST_add_ext(req, ext, -1))
842 goto err;
843 }
844 resp = process_responder(err, req, host, path, port, use_ssl, NULL,
845 srctx->timeout);
846 if (!resp)
847 {
848 BIO_puts(err, "cert_status: error querying responder\n");
849 goto done;
850 }
851 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
852 if (rspderlen <= 0)
853 goto err;
854 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
855 if (srctx->verbose)
856 {
857 BIO_puts(err, "cert_status: ocsp response sent:\n");
858 OCSP_RESPONSE_print(err, resp, 2);
859 }
860 ret = SSL_TLSEXT_ERR_OK;
861 done:
862 if (ret != SSL_TLSEXT_ERR_OK)
863 ERR_print_errors(err);
864 if (aia)
865 {
866 OPENSSL_free(host);
867 OPENSSL_free(path);
868 OPENSSL_free(port);
869 X509_email_free(aia);
870 }
871 if (id)
872 OCSP_CERTID_free(id);
873 if (req)
874 OCSP_REQUEST_free(req);
875 if (resp)
876 OCSP_RESPONSE_free(resp);
877 return ret;
878 err:
879 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
880 goto done;
881 }
882
883 # ifndef OPENSSL_NO_NEXTPROTONEG
884 /* This is the context that we pass to next_proto_cb */
885 typedef struct tlsextnextprotoctx_st {
886 unsigned char *data;
887 unsigned int len;
888 } tlsextnextprotoctx;
889
890 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
891 {
892 tlsextnextprotoctx *next_proto = arg;
893
894 *data = next_proto->data;
895 *len = next_proto->len;
896
897 return SSL_TLSEXT_ERR_OK;
898 }
899 # endif /* ndef OPENSSL_NO_NPN */
900 #endif
901
902 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
903 {
904 /* disable resumption for sessions with forward secure ciphers */
905 return is_forward_secure;
906 }
907
908 int MAIN(int, char **);
909
910 #ifndef OPENSSL_NO_JPAKE
911 static char *jpake_secret = NULL;
912 #endif
913
914 int MAIN(int argc, char *argv[])
915 {
916 X509_VERIFY_PARAM *vpm = NULL;
917 int badarg = 0;
918 short port=PORT;
919 char *CApath=NULL,*CAfile=NULL;
920 unsigned char *context = NULL;
921 char *dhfile = NULL;
922 #ifndef OPENSSL_NO_ECDH
923 char *named_curve = NULL;
924 #endif
925 int badop=0,bugs=0;
926 int ret=1;
927 int off=0;
928 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
929 int state=0;
930 const SSL_METHOD *meth=NULL;
931 int socket_type=SOCK_STREAM;
932 ENGINE *e=NULL;
933 char *inrand=NULL;
934 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
935 char *passarg = NULL, *pass = NULL;
936 char *dpassarg = NULL, *dpass = NULL;
937 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
938 X509 *s_cert = NULL, *s_dcert = NULL;
939 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
940 int no_cache = 0, ext_cache = 0;
941 #ifndef OPENSSL_NO_TLSEXT
942 EVP_PKEY *s_key2 = NULL;
943 X509 *s_cert2 = NULL;
944 #endif
945 #ifndef OPENSSL_NO_TLSEXT
946 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
947 # ifndef OPENSSL_NO_NEXTPROTONEG
948 const char *next_proto_neg_in = NULL;
949 tlsextnextprotoctx next_proto;
950 # endif
951 #endif
952 #ifndef OPENSSL_NO_PSK
953 /* by default do not send a PSK identity hint */
954 static char *psk_identity_hint=NULL;
955 #endif
956 #ifndef OPENSSL_NO_SRP
957 char *srpuserseed = NULL;
958 char *srp_verifier_file = NULL;
959 srpsrvparm p;
960 #endif
961 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
962 meth=SSLv23_server_method();
963 #elif !defined(OPENSSL_NO_SSL3)
964 meth=SSLv3_server_method();
965 #elif !defined(OPENSSL_NO_SSL2)
966 meth=SSLv2_server_method();
967 #elif !defined(OPENSSL_NO_TLS1)
968 meth=TLSv1_server_method();
969 #else
970 /* #error no SSL version enabled */
971 #endif
972
973 local_argc=argc;
974 local_argv=argv;
975
976 apps_startup();
977 #ifdef MONOLITH
978 s_server_init();
979 #endif
980
981 if (bio_err == NULL)
982 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
983
984 if (!load_config(bio_err, NULL))
985 goto end;
986
987 verify_depth=0;
988 #ifdef FIONBIO
989 s_nbio=0;
990 #endif
991 s_nbio_test=0;
992
993 argc--;
994 argv++;
995
996 while (argc >= 1)
997 {
998 if ((strcmp(*argv,"-port") == 0) ||
999 (strcmp(*argv,"-accept") == 0))
1000 {
1001 if (--argc < 1) goto bad;
1002 if (!extract_port(*(++argv),&port))
1003 goto bad;
1004 }
1005 else if (strcmp(*argv,"-verify") == 0)
1006 {
1007 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1008 if (--argc < 1) goto bad;
1009 verify_depth=atoi(*(++argv));
1010 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1011 }
1012 else if (strcmp(*argv,"-Verify") == 0)
1013 {
1014 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1015 SSL_VERIFY_CLIENT_ONCE;
1016 if (--argc < 1) goto bad;
1017 verify_depth=atoi(*(++argv));
1018 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1019 }
1020 else if (strcmp(*argv,"-context") == 0)
1021 {
1022 if (--argc < 1) goto bad;
1023 context= (unsigned char *)*(++argv);
1024 }
1025 else if (strcmp(*argv,"-cert") == 0)
1026 {
1027 if (--argc < 1) goto bad;
1028 s_cert_file= *(++argv);
1029 }
1030 else if (strcmp(*argv,"-certform") == 0)
1031 {
1032 if (--argc < 1) goto bad;
1033 s_cert_format = str2fmt(*(++argv));
1034 }
1035 else if (strcmp(*argv,"-key") == 0)
1036 {
1037 if (--argc < 1) goto bad;
1038 s_key_file= *(++argv);
1039 }
1040 else if (strcmp(*argv,"-keyform") == 0)
1041 {
1042 if (--argc < 1) goto bad;
1043 s_key_format = str2fmt(*(++argv));
1044 }
1045 else if (strcmp(*argv,"-pass") == 0)
1046 {
1047 if (--argc < 1) goto bad;
1048 passarg = *(++argv);
1049 }
1050 else if (strcmp(*argv,"-dhparam") == 0)
1051 {
1052 if (--argc < 1) goto bad;
1053 dhfile = *(++argv);
1054 }
1055 #ifndef OPENSSL_NO_ECDH
1056 else if (strcmp(*argv,"-named_curve") == 0)
1057 {
1058 if (--argc < 1) goto bad;
1059 named_curve = *(++argv);
1060 }
1061 #endif
1062 else if (strcmp(*argv,"-dcertform") == 0)
1063 {
1064 if (--argc < 1) goto bad;
1065 s_dcert_format = str2fmt(*(++argv));
1066 }
1067 else if (strcmp(*argv,"-dcert") == 0)
1068 {
1069 if (--argc < 1) goto bad;
1070 s_dcert_file= *(++argv);
1071 }
1072 else if (strcmp(*argv,"-dkeyform") == 0)
1073 {
1074 if (--argc < 1) goto bad;
1075 s_dkey_format = str2fmt(*(++argv));
1076 }
1077 else if (strcmp(*argv,"-dpass") == 0)
1078 {
1079 if (--argc < 1) goto bad;
1080 dpassarg = *(++argv);
1081 }
1082 else if (strcmp(*argv,"-dkey") == 0)
1083 {
1084 if (--argc < 1) goto bad;
1085 s_dkey_file= *(++argv);
1086 }
1087 else if (strcmp(*argv,"-nocert") == 0)
1088 {
1089 nocert=1;
1090 }
1091 else if (strcmp(*argv,"-CApath") == 0)
1092 {
1093 if (--argc < 1) goto bad;
1094 CApath= *(++argv);
1095 }
1096 else if (strcmp(*argv,"-no_cache") == 0)
1097 no_cache = 1;
1098 else if (strcmp(*argv,"-ext_cache") == 0)
1099 ext_cache = 1;
1100 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1101 {
1102 if (badarg)
1103 goto bad;
1104 continue;
1105 }
1106 else if (strcmp(*argv,"-verify_return_error") == 0)
1107 verify_return_error = 1;
1108 else if (strcmp(*argv,"-serverpref") == 0)
1109 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1110 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1111 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1112 else if (strcmp(*argv,"-cipher") == 0)
1113 {
1114 if (--argc < 1) goto bad;
1115 cipher= *(++argv);
1116 }
1117 else if (strcmp(*argv,"-CAfile") == 0)
1118 {
1119 if (--argc < 1) goto bad;
1120 CAfile= *(++argv);
1121 }
1122 #ifdef FIONBIO
1123 else if (strcmp(*argv,"-nbio") == 0)
1124 { s_nbio=1; }
1125 #endif
1126 else if (strcmp(*argv,"-nbio_test") == 0)
1127 {
1128 #ifdef FIONBIO
1129 s_nbio=1;
1130 #endif
1131 s_nbio_test=1;
1132 }
1133 else if (strcmp(*argv,"-debug") == 0)
1134 { s_debug=1; }
1135 #ifndef OPENSSL_NO_TLSEXT
1136 else if (strcmp(*argv,"-tlsextdebug") == 0)
1137 s_tlsextdebug=1;
1138 else if (strcmp(*argv,"-status") == 0)
1139 s_tlsextstatus=1;
1140 else if (strcmp(*argv,"-status_verbose") == 0)
1141 {
1142 s_tlsextstatus=1;
1143 tlscstatp.verbose = 1;
1144 }
1145 else if (!strcmp(*argv, "-status_timeout"))
1146 {
1147 s_tlsextstatus=1;
1148 if (--argc < 1) goto bad;
1149 tlscstatp.timeout = atoi(*(++argv));
1150 }
1151 else if (!strcmp(*argv, "-status_url"))
1152 {
1153 s_tlsextstatus=1;
1154 if (--argc < 1) goto bad;
1155 if (!OCSP_parse_url(*(++argv),
1156 &tlscstatp.host,
1157 &tlscstatp.port,
1158 &tlscstatp.path,
1159 &tlscstatp.use_ssl))
1160 {
1161 BIO_printf(bio_err, "Error parsing URL\n");
1162 goto bad;
1163 }
1164 }
1165 #endif
1166 else if (strcmp(*argv,"-msg") == 0)
1167 { s_msg=1; }
1168 else if (strcmp(*argv,"-hack") == 0)
1169 { hack=1; }
1170 else if (strcmp(*argv,"-state") == 0)
1171 { state=1; }
1172 else if (strcmp(*argv,"-crlf") == 0)
1173 { s_crlf=1; }
1174 else if (strcmp(*argv,"-quiet") == 0)
1175 { s_quiet=1; }
1176 else if (strcmp(*argv,"-bugs") == 0)
1177 { bugs=1; }
1178 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1179 { no_tmp_rsa=1; }
1180 else if (strcmp(*argv,"-no_dhe") == 0)
1181 { no_dhe=1; }
1182 else if (strcmp(*argv,"-no_ecdhe") == 0)
1183 { no_ecdhe=1; }
1184 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1185 { no_resume_ephemeral = 1; }
1186 #ifndef OPENSSL_NO_PSK
1187 else if (strcmp(*argv,"-psk_hint") == 0)
1188 {
1189 if (--argc < 1) goto bad;
1190 psk_identity_hint= *(++argv);
1191 }
1192 else if (strcmp(*argv,"-psk") == 0)
1193 {
1194 size_t i;
1195
1196 if (--argc < 1) goto bad;
1197 psk_key=*(++argv);
1198 for (i=0; i<strlen(psk_key); i++)
1199 {
1200 if (isxdigit((int)psk_key[i]))
1201 continue;
1202 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1203 goto bad;
1204 }
1205 }
1206 #endif
1207 #ifndef OPENSSL_NO_SRP
1208 else if (strcmp(*argv, "-srpvfile") == 0)
1209 {
1210 if (--argc < 1) goto bad;
1211 srp_verifier_file = *(++argv);
1212 meth = TLSv1_server_method();
1213 }
1214 else if (strcmp(*argv, "-srpuserseed") == 0)
1215 {
1216 if (--argc < 1) goto bad;
1217 srpuserseed = *(++argv);
1218 meth = TLSv1_server_method();
1219 }
1220 #endif
1221 else if (strcmp(*argv,"-www") == 0)
1222 { www=1; }
1223 else if (strcmp(*argv,"-WWW") == 0)
1224 { www=2; }
1225 else if (strcmp(*argv,"-HTTP") == 0)
1226 { www=3; }
1227 else if (strcmp(*argv,"-no_ssl2") == 0)
1228 { off|=SSL_OP_NO_SSLv2; }
1229 else if (strcmp(*argv,"-no_ssl3") == 0)
1230 { off|=SSL_OP_NO_SSLv3; }
1231 else if (strcmp(*argv,"-no_tls1_2") == 0)
1232 { off|=SSL_OP_NO_TLSv1_2; }
1233 else if (strcmp(*argv,"-no_tls1_1") == 0)
1234 { off|=SSL_OP_NO_TLSv1_1; }
1235 else if (strcmp(*argv,"-no_tls1") == 0)
1236 { off|=SSL_OP_NO_TLSv1; }
1237 else if (strcmp(*argv,"-no_comp") == 0)
1238 { off|=SSL_OP_NO_COMPRESSION; }
1239 #ifndef OPENSSL_NO_TLSEXT
1240 else if (strcmp(*argv,"-no_ticket") == 0)
1241 { off|=SSL_OP_NO_TICKET; }
1242 #endif
1243 #ifndef OPENSSL_NO_SSL2
1244 else if (strcmp(*argv,"-ssl2") == 0)
1245 { meth=SSLv2_server_method(); }
1246 #endif
1247 #ifndef OPENSSL_NO_SSL3
1248 else if (strcmp(*argv,"-ssl3") == 0)
1249 { meth=SSLv3_server_method(); }
1250 #endif
1251 #ifndef OPENSSL_NO_TLS1
1252 else if (strcmp(*argv,"-tls1_2") == 0)
1253 { meth=TLSv1_2_server_method(); }
1254 else if (strcmp(*argv,"-tls1_1") == 0)
1255 { meth=TLSv1_1_server_method(); }
1256 else if (strcmp(*argv,"-tls1") == 0)
1257 { meth=TLSv1_server_method(); }
1258 else if (strcmp(*argv,"-tls1_1") == 0)
1259 { meth=TLSv1_1_server_method(); }
1260 #endif
1261 #ifndef OPENSSL_NO_DTLS1
1262 else if (strcmp(*argv,"-dtls1") == 0)
1263 {
1264 meth=DTLSv1_server_method();
1265 socket_type = SOCK_DGRAM;
1266 }
1267 else if (strcmp(*argv,"-timeout") == 0)
1268 enable_timeouts = 1;
1269 else if (strcmp(*argv,"-mtu") == 0)
1270 {
1271 if (--argc < 1) goto bad;
1272 socket_mtu = atol(*(++argv));
1273 }
1274 else if (strcmp(*argv, "-chain") == 0)
1275 cert_chain = 1;
1276 #endif
1277 else if (strcmp(*argv, "-id_prefix") == 0)
1278 {
1279 if (--argc < 1) goto bad;
1280 session_id_prefix = *(++argv);
1281 }
1282 #ifndef OPENSSL_NO_ENGINE
1283 else if (strcmp(*argv,"-engine") == 0)
1284 {
1285 if (--argc < 1) goto bad;
1286 engine_id= *(++argv);
1287 }
1288 #endif
1289 else if (strcmp(*argv,"-rand") == 0)
1290 {
1291 if (--argc < 1) goto bad;
1292 inrand= *(++argv);
1293 }
1294 #ifndef OPENSSL_NO_TLSEXT
1295 else if (strcmp(*argv,"-servername") == 0)
1296 {
1297 if (--argc < 1) goto bad;
1298 tlsextcbp.servername= *(++argv);
1299 }
1300 else if (strcmp(*argv,"-servername_fatal") == 0)
1301 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1302 else if (strcmp(*argv,"-cert2") == 0)
1303 {
1304 if (--argc < 1) goto bad;
1305 s_cert_file2= *(++argv);
1306 }
1307 else if (strcmp(*argv,"-key2") == 0)
1308 {
1309 if (--argc < 1) goto bad;
1310 s_key_file2= *(++argv);
1311 }
1312 # ifndef OPENSSL_NO_NEXTPROTONEG
1313 else if (strcmp(*argv,"-nextprotoneg") == 0)
1314 {
1315 if (--argc < 1) goto bad;
1316 next_proto_neg_in = *(++argv);
1317 }
1318 # endif
1319 #endif
1320 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1321 else if (strcmp(*argv,"-jpake") == 0)
1322 {
1323 if (--argc < 1) goto bad;
1324 jpake_secret = *(++argv);
1325 }
1326 #endif
1327 else
1328 {
1329 BIO_printf(bio_err,"unknown option %s\n",*argv);
1330 badop=1;
1331 break;
1332 }
1333 argc--;
1334 argv++;
1335 }
1336 if (badop)
1337 {
1338 bad:
1339 sv_usage();
1340 goto end;
1341 }
1342
1343 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1344 if (jpake_secret)
1345 {
1346 if (psk_key)
1347 {
1348 BIO_printf(bio_err,
1349 "Can't use JPAKE and PSK together\n");
1350 goto end;
1351 }
1352 psk_identity = "JPAKE";
1353 if (cipher)
1354 {
1355 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1356 goto end;
1357 }
1358 cipher = "PSK";
1359 }
1360
1361 #endif
1362
1363 SSL_load_error_strings();
1364 OpenSSL_add_ssl_algorithms();
1365
1366 #ifndef OPENSSL_NO_ENGINE
1367 e = setup_engine(bio_err, engine_id, 1);
1368 #endif
1369
1370 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1371 {
1372 BIO_printf(bio_err, "Error getting password\n");
1373 goto end;
1374 }
1375
1376
1377 if (s_key_file == NULL)
1378 s_key_file = s_cert_file;
1379 #ifndef OPENSSL_NO_TLSEXT
1380 if (s_key_file2 == NULL)
1381 s_key_file2 = s_cert_file2;
1382 #endif
1383
1384 if (nocert == 0)
1385 {
1386 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1387 "server certificate private key file");
1388 if (!s_key)
1389 {
1390 ERR_print_errors(bio_err);
1391 goto end;
1392 }
1393
1394 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1395 NULL, e, "server certificate file");
1396
1397 if (!s_cert)
1398 {
1399 ERR_print_errors(bio_err);
1400 goto end;
1401 }
1402
1403 #ifndef OPENSSL_NO_TLSEXT
1404 if (tlsextcbp.servername)
1405 {
1406 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1407 "second server certificate private key file");
1408 if (!s_key2)
1409 {
1410 ERR_print_errors(bio_err);
1411 goto end;
1412 }
1413
1414 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1415 NULL, e, "second server certificate file");
1416
1417 if (!s_cert2)
1418 {
1419 ERR_print_errors(bio_err);
1420 goto end;
1421 }
1422 }
1423 # ifndef OPENSSL_NO_NEXTPROTONEG
1424 if (next_proto_neg_in)
1425 {
1426 unsigned short len;
1427 next_proto.data = next_protos_parse(&len,
1428 next_proto_neg_in);
1429 if (next_proto.data == NULL)
1430 goto end;
1431 next_proto.len = len;
1432 }
1433 else
1434 {
1435 next_proto.data = NULL;
1436 }
1437 # endif
1438 #endif
1439 }
1440
1441
1442 if (s_dcert_file)
1443 {
1444
1445 if (s_dkey_file == NULL)
1446 s_dkey_file = s_dcert_file;
1447
1448 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1449 0, dpass, e,
1450 "second certificate private key file");
1451 if (!s_dkey)
1452 {
1453 ERR_print_errors(bio_err);
1454 goto end;
1455 }
1456
1457 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1458 NULL, e, "second server certificate file");
1459
1460 if (!s_dcert)
1461 {
1462 ERR_print_errors(bio_err);
1463 goto end;
1464 }
1465
1466 }
1467
1468 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1469 && !RAND_status())
1470 {
1471 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1472 }
1473 if (inrand != NULL)
1474 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1475 app_RAND_load_files(inrand));
1476
1477 if (bio_s_out == NULL)
1478 {
1479 if (s_quiet && !s_debug && !s_msg)
1480 {
1481 bio_s_out=BIO_new(BIO_s_null());
1482 }
1483 else
1484 {
1485 if (bio_s_out == NULL)
1486 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1487 }
1488 }
1489
1490 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1491 if (nocert)
1492 #endif
1493 {
1494 s_cert_file=NULL;
1495 s_key_file=NULL;
1496 s_dcert_file=NULL;
1497 s_dkey_file=NULL;
1498 #ifndef OPENSSL_NO_TLSEXT
1499 s_cert_file2=NULL;
1500 s_key_file2=NULL;
1501 #endif
1502 }
1503
1504 ctx=SSL_CTX_new(meth);
1505 if (ctx == NULL)
1506 {
1507 ERR_print_errors(bio_err);
1508 goto end;
1509 }
1510 if (session_id_prefix)
1511 {
1512 if(strlen(session_id_prefix) >= 32)
1513 BIO_printf(bio_err,
1514 "warning: id_prefix is too long, only one new session will be possible\n");
1515 else if(strlen(session_id_prefix) >= 16)
1516 BIO_printf(bio_err,
1517 "warning: id_prefix is too long if you use SSLv2\n");
1518 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1519 {
1520 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1521 ERR_print_errors(bio_err);
1522 goto end;
1523 }
1524 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1525 }
1526 SSL_CTX_set_quiet_shutdown(ctx,1);
1527 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1528 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1529 /* HACK while TLS v1.2 is disabled by default */
1530 if (!(off & SSL_OP_NO_TLSv1_2))
1531 SSL_CTX_clear_options(ctx, SSL_OP_NO_TLSv1_2);
1532 SSL_CTX_set_options(ctx,off);
1533 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1534 * Setting read ahead solves this problem.
1535 */
1536 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1537
1538 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1539 if (no_cache)
1540 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1541 else if (ext_cache)
1542 init_session_cache_ctx(ctx);
1543 else
1544 SSL_CTX_sess_set_cache_size(ctx,128);
1545
1546 #if 0
1547 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1548 #endif
1549
1550 #if 0
1551 if (s_cert_file == NULL)
1552 {
1553 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1554 goto end;
1555 }
1556 #endif
1557
1558 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1559 (!SSL_CTX_set_default_verify_paths(ctx)))
1560 {
1561 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1562 ERR_print_errors(bio_err);
1563 /* goto end; */
1564 }
1565 if (vpm)
1566 SSL_CTX_set1_param(ctx, vpm);
1567
1568 #ifndef OPENSSL_NO_TLSEXT
1569 if (s_cert2)
1570 {
1571 ctx2=SSL_CTX_new(meth);
1572 if (ctx2 == NULL)
1573 {
1574 ERR_print_errors(bio_err);
1575 goto end;
1576 }
1577 }
1578
1579 if (ctx2)
1580 {
1581 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1582
1583 if (session_id_prefix)
1584 {
1585 if(strlen(session_id_prefix) >= 32)
1586 BIO_printf(bio_err,
1587 "warning: id_prefix is too long, only one new session will be possible\n");
1588 else if(strlen(session_id_prefix) >= 16)
1589 BIO_printf(bio_err,
1590 "warning: id_prefix is too long if you use SSLv2\n");
1591 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1592 {
1593 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1594 ERR_print_errors(bio_err);
1595 goto end;
1596 }
1597 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1598 }
1599 SSL_CTX_set_quiet_shutdown(ctx2,1);
1600 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1601 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1602 SSL_CTX_set_options(ctx2,off);
1603 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1604 * Setting read ahead solves this problem.
1605 */
1606 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1607
1608 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1609
1610 if (no_cache)
1611 SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1612 else if (ext_cache)
1613 init_session_cache_ctx(ctx2);
1614 else
1615 SSL_CTX_sess_set_cache_size(ctx2,128);
1616
1617 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1618 (!SSL_CTX_set_default_verify_paths(ctx2)))
1619 {
1620 ERR_print_errors(bio_err);
1621 }
1622 if (vpm)
1623 SSL_CTX_set1_param(ctx2, vpm);
1624 }
1625
1626 # ifndef OPENSSL_NO_NEXTPROTONEG
1627 if (next_proto.data)
1628 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1629 # endif
1630 #endif
1631
1632 #ifndef OPENSSL_NO_DH
1633 if (!no_dhe)
1634 {
1635 DH *dh=NULL;
1636
1637 if (dhfile)
1638 dh = load_dh_param(dhfile);
1639 else if (s_cert_file)
1640 dh = load_dh_param(s_cert_file);
1641
1642 if (dh != NULL)
1643 {
1644 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1645 }
1646 else
1647 {
1648 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1649 dh=get_dh512();
1650 }
1651 (void)BIO_flush(bio_s_out);
1652
1653 SSL_CTX_set_tmp_dh(ctx,dh);
1654 #ifndef OPENSSL_NO_TLSEXT
1655 if (ctx2)
1656 {
1657 if (!dhfile)
1658 {
1659 DH *dh2=load_dh_param(s_cert_file2);
1660 if (dh2 != NULL)
1661 {
1662 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1663 (void)BIO_flush(bio_s_out);
1664
1665 DH_free(dh);
1666 dh = dh2;
1667 }
1668 }
1669 SSL_CTX_set_tmp_dh(ctx2,dh);
1670 }
1671 #endif
1672 DH_free(dh);
1673 }
1674 #endif
1675
1676 #ifndef OPENSSL_NO_ECDH
1677 if (!no_ecdhe)
1678 {
1679 EC_KEY *ecdh=NULL;
1680
1681 if (named_curve)
1682 {
1683 int nid = OBJ_sn2nid(named_curve);
1684
1685 if (nid == 0)
1686 {
1687 BIO_printf(bio_err, "unknown curve name (%s)\n",
1688 named_curve);
1689 goto end;
1690 }
1691 ecdh = EC_KEY_new_by_curve_name(nid);
1692 if (ecdh == NULL)
1693 {
1694 BIO_printf(bio_err, "unable to create curve (%s)\n",
1695 named_curve);
1696 goto end;
1697 }
1698 }
1699
1700 if (ecdh != NULL)
1701 {
1702 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1703 }
1704 else
1705 {
1706 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1707 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1708 if (ecdh == NULL)
1709 {
1710 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1711 goto end;
1712 }
1713 }
1714 (void)BIO_flush(bio_s_out);
1715
1716 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1717 #ifndef OPENSSL_NO_TLSEXT
1718 if (ctx2)
1719 SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1720 #endif
1721 EC_KEY_free(ecdh);
1722 }
1723 #endif
1724
1725 if (!set_cert_key_stuff(ctx,s_cert,s_key))
1726 goto end;
1727 #ifndef OPENSSL_NO_TLSEXT
1728 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1729 goto end;
1730 #endif
1731 if (s_dcert != NULL)
1732 {
1733 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1734 goto end;
1735 }
1736
1737 #ifndef OPENSSL_NO_RSA
1738 #if 1
1739 if (!no_tmp_rsa)
1740 {
1741 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1742 #ifndef OPENSSL_NO_TLSEXT
1743 if (ctx2)
1744 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1745 #endif
1746 }
1747 #else
1748 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1749 {
1750 RSA *rsa;
1751
1752 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1753 BIO_flush(bio_s_out);
1754
1755 rsa=RSA_generate_key(512,RSA_F4,NULL);
1756
1757 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1758 {
1759 ERR_print_errors(bio_err);
1760 goto end;
1761 }
1762 #ifndef OPENSSL_NO_TLSEXT
1763 if (ctx2)
1764 {
1765 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1766 {
1767 ERR_print_errors(bio_err);
1768 goto end;
1769 }
1770 }
1771 #endif
1772 RSA_free(rsa);
1773 BIO_printf(bio_s_out,"\n");
1774 }
1775 #endif
1776 #endif
1777
1778 if (no_resume_ephemeral)
1779 {
1780 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1781 #ifndef OPENSSL_NO_TLSEXT
1782 if (ctx2)
1783 SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1784 #endif
1785 }
1786
1787 #ifndef OPENSSL_NO_PSK
1788 #ifdef OPENSSL_NO_JPAKE
1789 if (psk_key != NULL)
1790 #else
1791 if (psk_key != NULL || jpake_secret)
1792 #endif
1793 {
1794 if (s_debug)
1795 BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1796 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1797 }
1798
1799 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1800 {
1801 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1802 ERR_print_errors(bio_err);
1803 goto end;
1804 }
1805 #endif
1806
1807 if (cipher != NULL)
1808 {
1809 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1810 {
1811 BIO_printf(bio_err,"error setting cipher list\n");
1812 ERR_print_errors(bio_err);
1813 goto end;
1814 }
1815 #ifndef OPENSSL_NO_TLSEXT
1816 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1817 {
1818 BIO_printf(bio_err,"error setting cipher list\n");
1819 ERR_print_errors(bio_err);
1820 goto end;
1821 }
1822 #endif
1823 }
1824 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1825 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1826 sizeof s_server_session_id_context);
1827
1828 /* Set DTLS cookie generation and verification callbacks */
1829 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1830 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1831
1832 #ifndef OPENSSL_NO_TLSEXT
1833 if (ctx2)
1834 {
1835 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1836 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1837 sizeof s_server_session_id_context);
1838
1839 tlsextcbp.biodebug = bio_s_out;
1840 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1841 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1842 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1843 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1844 }
1845 #endif
1846
1847 #ifndef OPENSSL_NO_SRP
1848 if (srp_verifier_file != NULL)
1849 {
1850 p.vb = SRP_VBASE_new(srpuserseed);
1851 if ((ret = SRP_VBASE_init(p.vb, srp_verifier_file)) != SRP_NO_ERROR)
1852 {
1853 BIO_printf(bio_err,
1854 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1855 srp_verifier_file,ret);
1856 goto end;
1857 }
1858 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1859 SSL_CTX_set_srp_cb_arg(ctx, &p);
1860 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1861 }
1862 else
1863 #endif
1864 if (CAfile != NULL)
1865 {
1866 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1867 #ifndef OPENSSL_NO_TLSEXT
1868 if (ctx2)
1869 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1870 #endif
1871 }
1872
1873 BIO_printf(bio_s_out,"ACCEPT\n");
1874 (void)BIO_flush(bio_s_out);
1875 if (www)
1876 do_server(port,socket_type,&accept_socket,www_body, context);
1877 else
1878 do_server(port,socket_type,&accept_socket,sv_body, context);
1879 print_stats(bio_s_out,ctx);
1880 ret=0;
1881 end:
1882 if (ctx != NULL) SSL_CTX_free(ctx);
1883 if (s_cert)
1884 X509_free(s_cert);
1885 if (s_dcert)
1886 X509_free(s_dcert);
1887 if (s_key)
1888 EVP_PKEY_free(s_key);
1889 if (s_dkey)
1890 EVP_PKEY_free(s_dkey);
1891 if (pass)
1892 OPENSSL_free(pass);
1893 if (dpass)
1894 OPENSSL_free(dpass);
1895 free_sessions();
1896 #ifndef OPENSSL_NO_TLSEXT
1897 if (ctx2 != NULL) SSL_CTX_free(ctx2);
1898 if (s_cert2)
1899 X509_free(s_cert2);
1900 if (s_key2)
1901 EVP_PKEY_free(s_key2);
1902 #endif
1903 if (bio_s_out != NULL)
1904 {
1905 BIO_free(bio_s_out);
1906 bio_s_out=NULL;
1907 }
1908 apps_shutdown();
1909 OPENSSL_EXIT(ret);
1910 }
1911
1912 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1913 {
1914 BIO_printf(bio,"%4ld items in the session cache\n",
1915 SSL_CTX_sess_number(ssl_ctx));
1916 BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1917 SSL_CTX_sess_connect(ssl_ctx));
1918 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1919 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1920 BIO_printf(bio,"%4ld client connects that finished\n",
1921 SSL_CTX_sess_connect_good(ssl_ctx));
1922 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1923 SSL_CTX_sess_accept(ssl_ctx));
1924 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1925 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1926 BIO_printf(bio,"%4ld server accepts that finished\n",
1927 SSL_CTX_sess_accept_good(ssl_ctx));
1928 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1929 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1930 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1931 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1932 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1933 SSL_CTX_sess_cache_full(ssl_ctx),
1934 SSL_CTX_sess_get_cache_size(ssl_ctx));
1935 }
1936
1937 static int sv_body(char *hostname, int s, unsigned char *context)
1938 {
1939 char *buf=NULL;
1940 fd_set readfds;
1941 int ret=1,width;
1942 int k,i;
1943 unsigned long l;
1944 SSL *con=NULL;
1945 BIO *sbio;
1946 struct timeval timeout;
1947 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1948 struct timeval tv;
1949 #else
1950 struct timeval *timeoutp;
1951 #endif
1952
1953 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1954 {
1955 BIO_printf(bio_err,"out of memory\n");
1956 goto err;
1957 }
1958 #ifdef FIONBIO
1959 if (s_nbio)
1960 {
1961 unsigned long sl=1;
1962
1963 if (!s_quiet)
1964 BIO_printf(bio_err,"turning on non blocking io\n");
1965 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1966 ERR_print_errors(bio_err);
1967 }
1968 #endif
1969
1970 if (con == NULL) {
1971 con=SSL_new(ctx);
1972 #ifndef OPENSSL_NO_TLSEXT
1973 if (s_tlsextdebug)
1974 {
1975 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1976 SSL_set_tlsext_debug_arg(con, bio_s_out);
1977 }
1978 if (s_tlsextstatus)
1979 {
1980 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1981 tlscstatp.err = bio_err;
1982 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1983 }
1984 #endif
1985 #ifndef OPENSSL_NO_KRB5
1986 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1987 {
1988 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1989 KRB5SVC);
1990 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1991 KRB5KEYTAB);
1992 }
1993 #endif /* OPENSSL_NO_KRB5 */
1994 if(context)
1995 SSL_set_session_id_context(con, context,
1996 strlen((char *)context));
1997 }
1998 SSL_clear(con);
1999 #if 0
2000 #ifdef TLSEXT_TYPE_opaque_prf_input
2001 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2002 #endif
2003 #endif
2004
2005 if (SSL_version(con) == DTLS1_VERSION)
2006 {
2007
2008 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2009
2010 if (enable_timeouts)
2011 {
2012 timeout.tv_sec = 0;
2013 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2014 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2015
2016 timeout.tv_sec = 0;
2017 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2018 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2019 }
2020
2021 if (socket_mtu > 28)
2022 {
2023 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2024 SSL_set_mtu(con, socket_mtu - 28);
2025 }
2026 else
2027 /* want to do MTU discovery */
2028 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2029
2030 /* turn on cookie exchange */
2031 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2032 }
2033 else
2034 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2035
2036 if (s_nbio_test)
2037 {
2038 BIO *test;
2039
2040 test=BIO_new(BIO_f_nbio_test());
2041 sbio=BIO_push(test,sbio);
2042 }
2043 #ifndef OPENSSL_NO_JPAKE
2044 if(jpake_secret)
2045 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2046 #endif
2047
2048 SSL_set_bio(con,sbio,sbio);
2049 SSL_set_accept_state(con);
2050 /* SSL_set_fd(con,s); */
2051
2052 if (s_debug)
2053 {
2054 SSL_set_debug(con, 1);
2055 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2056 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2057 }
2058 if (s_msg)
2059 {
2060 SSL_set_msg_callback(con, msg_cb);
2061 SSL_set_msg_callback_arg(con, bio_s_out);
2062 }
2063 #ifndef OPENSSL_NO_TLSEXT
2064 if (s_tlsextdebug)
2065 {
2066 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2067 SSL_set_tlsext_debug_arg(con, bio_s_out);
2068 }
2069 #endif
2070
2071 width=s+1;
2072 for (;;)
2073 {
2074 int read_from_terminal;
2075 int read_from_sslcon;
2076
2077 read_from_terminal = 0;
2078 read_from_sslcon = SSL_pending(con);
2079
2080 if (!read_from_sslcon)
2081 {
2082 FD_ZERO(&readfds);
2083 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2084 openssl_fdset(fileno(stdin),&readfds);
2085 #endif
2086 openssl_fdset(s,&readfds);
2087 /* Note: under VMS with SOCKETSHR the second parameter is
2088 * currently of type (int *) whereas under other systems
2089 * it is (void *) if you don't have a cast it will choke
2090 * the compiler: if you do have a cast then you can either
2091 * go for (int *) or (void *).
2092 */
2093 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2094 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2095 * on sockets. As a workaround we timeout the select every
2096 * second and check for any keypress. In a proper Windows
2097 * application we wouldn't do this because it is inefficient.
2098 */
2099 tv.tv_sec = 1;
2100 tv.tv_usec = 0;
2101 i=select(width,(void *)&readfds,NULL,NULL,&tv);
2102 if((i < 0) || (!i && !_kbhit() ) )continue;
2103 if(_kbhit())
2104 read_from_terminal = 1;
2105 #elif defined(OPENSSL_SYS_BEOS_R5)
2106 /* Under BeOS-R5 the situation is similar to DOS */
2107 tv.tv_sec = 1;
2108 tv.tv_usec = 0;
2109 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2110 i=select(width,(void *)&readfds,NULL,NULL,&tv);
2111 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2112 continue;
2113 if (read(fileno(stdin), buf, 0) >= 0)
2114 read_from_terminal = 1;
2115 (void)fcntl(fileno(stdin), F_SETFL, 0);
2116 #else
2117 if ((SSL_version(con) == DTLS1_VERSION) &&
2118 DTLSv1_get_timeout(con, &timeout))
2119 timeoutp = &timeout;
2120 else
2121 timeoutp = NULL;
2122
2123 i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2124
2125 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2126 {
2127 BIO_printf(bio_err,"TIMEOUT occured\n");
2128 }
2129
2130 if (i <= 0) continue;
2131 if (FD_ISSET(fileno(stdin),&readfds))
2132 read_from_terminal = 1;
2133 #endif
2134 if (FD_ISSET(s,&readfds))
2135 read_from_sslcon = 1;
2136 }
2137 if (read_from_terminal)
2138 {
2139 if (s_crlf)
2140 {
2141 int j, lf_num;
2142
2143 i=raw_read_stdin(buf, bufsize/2);
2144 lf_num = 0;
2145 /* both loops are skipped when i <= 0 */
2146 for (j = 0; j < i; j++)
2147 if (buf[j] == '\n')
2148 lf_num++;
2149 for (j = i-1; j >= 0; j--)
2150 {
2151 buf[j+lf_num] = buf[j];
2152 if (buf[j] == '\n')
2153 {
2154 lf_num--;
2155 i++;
2156 buf[j+lf_num] = '\r';
2157 }
2158 }
2159 assert(lf_num == 0);
2160 }
2161 else
2162 i=raw_read_stdin(buf,bufsize);
2163 if (!s_quiet)
2164 {
2165 if ((i <= 0) || (buf[0] == 'Q'))
2166 {
2167 BIO_printf(bio_s_out,"DONE\n");
2168 SHUTDOWN(s);
2169 close_accept_socket();
2170 ret= -11;
2171 goto err;
2172 }
2173 if ((i <= 0) || (buf[0] == 'q'))
2174 {
2175 BIO_printf(bio_s_out,"DONE\n");
2176 if (SSL_version(con) != DTLS1_VERSION)
2177 SHUTDOWN(s);
2178 /* close_accept_socket();
2179 ret= -11;*/
2180 goto err;
2181 }
2182
2183 if ((buf[0] == 'r') &&
2184 ((buf[1] == '\n') || (buf[1] == '\r')))
2185 {
2186 SSL_renegotiate(con);
2187 i=SSL_do_handshake(con);
2188 printf("SSL_do_handshake -> %d\n",i);
2189 i=0; /*13; */
2190 continue;
2191 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2192 }
2193 if ((buf[0] == 'R') &&
2194 ((buf[1] == '\n') || (buf[1] == '\r')))
2195 {
2196 SSL_set_verify(con,
2197 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2198 SSL_renegotiate(con);
2199 i=SSL_do_handshake(con);
2200 printf("SSL_do_handshake -> %d\n",i);
2201 i=0; /* 13; */
2202 continue;
2203 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2204 }
2205 if (buf[0] == 'P')
2206 {
2207 static const char *str="Lets print some clear text\n";
2208 BIO_write(SSL_get_wbio(con),str,strlen(str));
2209 }
2210 if (buf[0] == 'S')
2211 {
2212 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2213 }
2214 }
2215 #ifdef CHARSET_EBCDIC
2216 ebcdic2ascii(buf,buf,i);
2217 #endif
2218 l=k=0;
2219 for (;;)
2220 {
2221 /* should do a select for the write */
2222 #ifdef RENEG
2223 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2224 #endif
2225 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2226 switch (SSL_get_error(con,k))
2227 {
2228 case SSL_ERROR_NONE:
2229 break;
2230 case SSL_ERROR_WANT_WRITE:
2231 case SSL_ERROR_WANT_READ:
2232 case SSL_ERROR_WANT_X509_LOOKUP:
2233 BIO_printf(bio_s_out,"Write BLOCK\n");
2234 break;
2235 case SSL_ERROR_SYSCALL:
2236 case SSL_ERROR_SSL:
2237 BIO_printf(bio_s_out,"ERROR\n");
2238 ERR_print_errors(bio_err);
2239 ret=1;
2240 goto err;
2241 /* break; */
2242 case SSL_ERROR_ZERO_RETURN:
2243 BIO_printf(bio_s_out,"DONE\n");
2244 ret=1;
2245 goto err;
2246 }
2247 l+=k;
2248 i-=k;
2249 if (i <= 0) break;
2250 }
2251 }
2252 if (read_from_sslcon)
2253 {
2254 if (!SSL_is_init_finished(con))
2255 {
2256 i=init_ssl_connection(con);
2257
2258 if (i < 0)
2259 {
2260 ret=0;
2261 goto err;
2262 }
2263 else if (i == 0)
2264 {
2265 ret=1;
2266 goto err;
2267 }
2268 }
2269 else
2270 {
2271 again:
2272 i=SSL_read(con,(char *)buf,bufsize);
2273 switch (SSL_get_error(con,i))
2274 {
2275 case SSL_ERROR_NONE:
2276 #ifdef CHARSET_EBCDIC
2277 ascii2ebcdic(buf,buf,i);
2278 #endif
2279 raw_write_stdout(buf,
2280 (unsigned int)i);
2281 if (SSL_pending(con)) goto again;
2282 break;
2283 case SSL_ERROR_WANT_WRITE:
2284 case SSL_ERROR_WANT_READ:
2285 case SSL_ERROR_WANT_X509_LOOKUP:
2286 BIO_printf(bio_s_out,"Read BLOCK\n");
2287 break;
2288 case SSL_ERROR_SYSCALL:
2289 case SSL_ERROR_SSL:
2290 BIO_printf(bio_s_out,"ERROR\n");
2291 ERR_print_errors(bio_err);
2292 ret=1;
2293 goto err;
2294 case SSL_ERROR_ZERO_RETURN:
2295 BIO_printf(bio_s_out,"DONE\n");
2296 ret=1;
2297 goto err;
2298 }
2299 }
2300 }
2301 }
2302 err:
2303 if (con != NULL)
2304 {
2305 BIO_printf(bio_s_out,"shutting down SSL\n");
2306 #if 1
2307 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2308 #else
2309 SSL_shutdown(con);
2310 #endif
2311 SSL_free(con);
2312 }
2313 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2314 if (buf != NULL)
2315 {
2316 OPENSSL_cleanse(buf,bufsize);
2317 OPENSSL_free(buf);
2318 }
2319 if (ret >= 0)
2320 BIO_printf(bio_s_out,"ACCEPT\n");
2321 return(ret);
2322 }
2323
2324 static void close_accept_socket(void)
2325 {
2326 BIO_printf(bio_err,"shutdown accept socket\n");
2327 if (accept_socket >= 0)
2328 {
2329 SHUTDOWN2(accept_socket);
2330 }
2331 }
2332
2333 static int init_ssl_connection(SSL *con)
2334 {
2335 int i;
2336 const char *str;
2337 X509 *peer;
2338 long verify_error;
2339 MS_STATIC char buf[BUFSIZ];
2340 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2341 const unsigned char *next_proto_neg;
2342 unsigned next_proto_neg_len;
2343 #endif
2344
2345 if ((i=SSL_accept(con)) <= 0)
2346 {
2347 if (BIO_sock_should_retry(i))
2348 {
2349 BIO_printf(bio_s_out,"DELAY\n");
2350 return(1);
2351 }
2352
2353 BIO_printf(bio_err,"ERROR\n");
2354 verify_error=SSL_get_verify_result(con);
2355 if (verify_error != X509_V_OK)
2356 {
2357 BIO_printf(bio_err,"verify error:%s\n",
2358 X509_verify_cert_error_string(verify_error));
2359 }
2360 else
2361 ERR_print_errors(bio_err);
2362 return(0);
2363 }
2364
2365 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2366
2367 peer=SSL_get_peer_certificate(con);
2368 if (peer != NULL)
2369 {
2370 BIO_printf(bio_s_out,"Client certificate\n");
2371 PEM_write_bio_X509(bio_s_out,peer);
2372 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2373 BIO_printf(bio_s_out,"subject=%s\n",buf);
2374 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2375 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2376 X509_free(peer);
2377 }
2378
2379 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2380 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2381 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2382 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2383 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2384 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2385 if (next_proto_neg)
2386 {
2387 BIO_printf(bio_s_out,"NEXTPROTO is ");
2388 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2389 BIO_printf(bio_s_out, "\n");
2390 }
2391 #endif
2392 if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2393 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2394 TLS1_FLAGS_TLS_PADDING_BUG)
2395 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
2396 #ifndef OPENSSL_NO_KRB5
2397 if (con->kssl_ctx->client_princ != NULL)
2398 {
2399 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2400 con->kssl_ctx->client_princ);
2401 }
2402 #endif /* OPENSSL_NO_KRB5 */
2403 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2404 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2405 return(1);
2406 }
2407
2408 #ifndef OPENSSL_NO_DH
2409 static DH *load_dh_param(const char *dhfile)
2410 {
2411 DH *ret=NULL;
2412 BIO *bio;
2413
2414 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2415 goto err;
2416 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2417 err:
2418 if (bio != NULL) BIO_free(bio);
2419 return(ret);
2420 }
2421 #endif
2422
2423 #if 0
2424 static int load_CA(SSL_CTX *ctx, char *file)
2425 {
2426 FILE *in;
2427 X509 *x=NULL;
2428
2429 if ((in=fopen(file,"r")) == NULL)
2430 return(0);
2431
2432 for (;;)
2433 {
2434 if (PEM_read_X509(in,&x,NULL) == NULL)
2435 break;
2436 SSL_CTX_add_client_CA(ctx,x);
2437 }
2438 if (x != NULL) X509_free(x);
2439 fclose(in);
2440 return(1);
2441 }
2442 #endif
2443
2444 static int www_body(char *hostname, int s, unsigned char *context)
2445 {
2446 char *buf=NULL;
2447 int ret=1;
2448 int i,j,k,dot;
2449 SSL *con;
2450 const SSL_CIPHER *c;
2451 BIO *io,*ssl_bio,*sbio;
2452
2453 buf=OPENSSL_malloc(bufsize);
2454 if (buf == NULL) return(0);
2455 io=BIO_new(BIO_f_buffer());
2456 ssl_bio=BIO_new(BIO_f_ssl());
2457 if ((io == NULL) || (ssl_bio == NULL)) goto err;
2458
2459 #ifdef FIONBIO
2460 if (s_nbio)
2461 {
2462 unsigned long sl=1;
2463
2464 if (!s_quiet)
2465 BIO_printf(bio_err,"turning on non blocking io\n");
2466 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2467 ERR_print_errors(bio_err);
2468 }
2469 #endif
2470
2471 /* lets make the output buffer a reasonable size */
2472 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2473
2474 if ((con=SSL_new(ctx)) == NULL) goto err;
2475 #ifndef OPENSSL_NO_TLSEXT
2476 if (s_tlsextdebug)
2477 {
2478 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2479 SSL_set_tlsext_debug_arg(con, bio_s_out);
2480 }
2481 #endif
2482 #ifndef OPENSSL_NO_KRB5
2483 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
2484 {
2485 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
2486 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
2487 }
2488 #endif /* OPENSSL_NO_KRB5 */
2489 if(context) SSL_set_session_id_context(con, context,
2490 strlen((char *)context));
2491
2492 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2493 if (s_nbio_test)
2494 {
2495 BIO *test;
2496
2497 test=BIO_new(BIO_f_nbio_test());
2498 sbio=BIO_push(test,sbio);
2499 }
2500 SSL_set_bio(con,sbio,sbio);
2501 SSL_set_accept_state(con);
2502 /* SSL_set_fd(con,s); */
2503 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2504 BIO_push(io,ssl_bio);
2505 #ifdef CHARSET_EBCDIC
2506 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2507 #endif
2508
2509 if (s_debug)
2510 {
2511 SSL_set_debug(con, 1);
2512 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2513 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2514 }
2515 if (s_msg)
2516 {
2517 SSL_set_msg_callback(con, msg_cb);
2518 SSL_set_msg_callback_arg(con, bio_s_out);
2519 }
2520
2521 for (;;)
2522 {
2523 if (hack)
2524 {
2525 i=SSL_accept(con);
2526
2527 switch (SSL_get_error(con,i))
2528 {
2529 case SSL_ERROR_NONE:
2530 break;
2531 case SSL_ERROR_WANT_WRITE:
2532 case SSL_ERROR_WANT_READ:
2533 case SSL_ERROR_WANT_X509_LOOKUP:
2534 continue;
2535 case SSL_ERROR_SYSCALL:
2536 case SSL_ERROR_SSL:
2537 case SSL_ERROR_ZERO_RETURN:
2538 ret=1;
2539 goto err;
2540 /* break; */
2541 }
2542
2543 SSL_renegotiate(con);
2544 SSL_write(con,NULL,0);
2545 }
2546
2547 i=BIO_gets(io,buf,bufsize-1);
2548 if (i < 0) /* error */
2549 {
2550 if (!BIO_should_retry(io))
2551 {
2552 if (!s_quiet)
2553 ERR_print_errors(bio_err);
2554 goto err;
2555 }
2556 else
2557 {
2558 BIO_printf(bio_s_out,"read R BLOCK\n");
2559 #if defined(OPENSSL_SYS_NETWARE)
2560 delay(1000);
2561 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2562 sleep(1);
2563 #endif
2564 continue;
2565 }
2566 }
2567 else if (i == 0) /* end of input */
2568 {
2569 ret=1;
2570 goto end;
2571 }
2572
2573 /* else we have data */
2574 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2575 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2576 {
2577 char *p;
2578 X509 *peer;
2579 STACK_OF(SSL_CIPHER) *sk;
2580 static const char *space=" ";
2581
2582 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2583 {
2584 if (strncmp("GET /renegcert", buf, 14) == 0)
2585 SSL_set_verify(con,
2586 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2587 i=SSL_renegotiate(con);
2588 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2589 i=SSL_do_handshake(con);
2590 if (i <= 0)
2591 {
2592 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2593 ERR_print_errors(bio_err);
2594 goto err;
2595 }
2596 /* EVIL HACK! */
2597 SSL_set_state(con, SSL_ST_ACCEPT);
2598 i=SSL_do_handshake(con);
2599 BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2600 if (i <= 0)
2601 {
2602 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2603 ERR_print_errors(bio_err);
2604 goto err;
2605 }
2606 }
2607
2608 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2609 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2610 BIO_puts(io,"<pre>\n");
2611 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2612 BIO_puts(io,"\n");
2613 for (i=0; i<local_argc; i++)
2614 {
2615 BIO_puts(io,local_argv[i]);
2616 BIO_write(io," ",1);
2617 }
2618 BIO_puts(io,"\n");
2619
2620 BIO_printf(io,
2621 "Secure Renegotiation IS%s supported\n",
2622 SSL_get_secure_renegotiation_support(con) ?
2623 "" : " NOT");
2624
2625 /* The following is evil and should not really
2626 * be done */
2627 BIO_printf(io,"Ciphers supported in s_server binary\n");
2628 sk=SSL_get_ciphers(con);
2629 j=sk_SSL_CIPHER_num(sk);
2630 for (i=0; i<j; i++)
2631 {
2632 c=sk_SSL_CIPHER_value(sk,i);
2633 BIO_printf(io,"%-11s:%-25s",
2634 SSL_CIPHER_get_version(c),
2635 SSL_CIPHER_get_name(c));
2636 if ((((i+1)%2) == 0) && (i+1 != j))
2637 BIO_puts(io,"\n");
2638 }
2639 BIO_puts(io,"\n");
2640 p=SSL_get_shared_ciphers(con,buf,bufsize);
2641 if (p != NULL)
2642 {
2643 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2644 j=i=0;
2645 while (*p)
2646 {
2647 if (*p == ':')
2648 {
2649 BIO_write(io,space,26-j);
2650 i++;
2651 j=0;
2652 BIO_write(io,((i%3)?" ":"\n"),1);
2653 }
2654 else
2655 {
2656 BIO_write(io,p,1);
2657 j++;
2658 }
2659 p++;
2660 }
2661 BIO_puts(io,"\n");
2662 }
2663 BIO_printf(io,(SSL_cache_hit(con)
2664 ?"---\nReused, "
2665 :"---\nNew, "));
2666 c=SSL_get_current_cipher(con);
2667 BIO_printf(io,"%s, Cipher is %s\n",
2668 SSL_CIPHER_get_version(c),
2669 SSL_CIPHER_get_name(c));
2670 SSL_SESSION_print(io,SSL_get_session(con));
2671 BIO_printf(io,"---\n");
2672 print_stats(io,SSL_get_SSL_CTX(con));
2673 BIO_printf(io,"---\n");
2674 peer=SSL_get_peer_certificate(con);
2675 if (peer != NULL)
2676 {
2677 BIO_printf(io,"Client certificate\n");
2678 X509_print(io,peer);
2679 PEM_write_bio_X509(io,peer);
2680 }
2681 else
2682 BIO_puts(io,"no client certificate available\n");
2683 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2684 break;
2685 }
2686 else if ((www == 2 || www == 3)
2687 && (strncmp("GET /",buf,5) == 0))
2688 {
2689 BIO *file;
2690 char *p,*e;
2691 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2692
2693 /* skip the '/' */
2694 p= &(buf[5]);
2695
2696 dot = 1;
2697 for (e=p; *e != '\0'; e++)
2698 {
2699 if (e[0] == ' ')
2700 break;
2701
2702 switch (dot)
2703 {
2704 case 1:
2705 dot = (e[0] == '.') ? 2 : 0;
2706 break;
2707 case 2:
2708 dot = (e[0] == '.') ? 3 : 0;
2709 break;
2710 case 3:
2711 dot = (e[0] == '/') ? -1 : 0;
2712 break;
2713 }
2714 if (dot == 0)
2715 dot = (e[0] == '/') ? 1 : 0;
2716 }
2717 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2718
2719 if (*e == '\0')
2720 {
2721 BIO_puts(io,text);
2722 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2723 break;
2724 }
2725 *e='\0';
2726
2727 if (dot)
2728 {
2729 BIO_puts(io,text);
2730 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2731 break;
2732 }
2733
2734 if (*p == '/')
2735 {
2736 BIO_puts(io,text);
2737 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2738 break;
2739 }
2740
2741 #if 0
2742 /* append if a directory lookup */
2743 if (e[-1] == '/')
2744 strcat(p,"index.html");
2745 #endif
2746
2747 /* if a directory, do the index thang */
2748 if (app_isdir(p)>0)
2749 {
2750 #if 0 /* must check buffer size */
2751 strcat(p,"/index.html");
2752 #else
2753 BIO_puts(io,text);
2754 BIO_printf(io,"'%s' is a directory\r\n",p);
2755 break;
2756 #endif
2757 }
2758
2759 if ((file=BIO_new_file(p,"r")) == NULL)
2760 {
2761 BIO_puts(io,text);
2762 BIO_printf(io,"Error opening '%s'\r\n",p);
2763 ERR_print_errors(io);
2764 break;
2765 }
2766
2767 if (!s_quiet)
2768 BIO_printf(bio_err,"FILE:%s\n",p);
2769
2770 if (www == 2)
2771 {
2772 i=strlen(p);
2773 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2774 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2775 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2776 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2777 else
2778 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2779 }
2780 /* send the file */
2781 for (;;)
2782 {
2783 i=BIO_read(file,buf,bufsize);
2784 if (i <= 0) break;
2785
2786 #ifdef RENEG
2787 total_bytes+=i;
2788 fprintf(stderr,"%d\n",i);
2789 if (total_bytes > 3*1024)
2790 {
2791 total_bytes=0;
2792 fprintf(stderr,"RENEGOTIATE\n");
2793 SSL_renegotiate(con);
2794 }
2795 #endif
2796
2797 for (j=0; j<i; )
2798 {
2799 #ifdef RENEG
2800 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2801 #endif
2802 k=BIO_write(io,&(buf[j]),i-j);
2803 if (k <= 0)
2804 {
2805 if (!BIO_should_retry(io))
2806 goto write_error;
2807 else
2808 {
2809 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2810 }
2811 }
2812 else
2813 {
2814 j+=k;
2815 }
2816 }
2817 }
2818 write_error:
2819 BIO_free(file);
2820 break;
2821 }
2822 }
2823
2824 for (;;)
2825 {
2826 i=(int)BIO_flush(io);
2827 if (i <= 0)
2828 {
2829 if (!BIO_should_retry(io))
2830 break;
2831 }
2832 else
2833 break;
2834 }
2835 end:
2836 #if 1
2837 /* make sure we re-use sessions */
2838 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2839 #else
2840 /* This kills performance */
2841 /* SSL_shutdown(con); A shutdown gets sent in the
2842 * BIO_free_all(io) procession */
2843 #endif
2844
2845 err:
2846
2847 if (ret >= 0)
2848 BIO_printf(bio_s_out,"ACCEPT\n");
2849
2850 if (buf != NULL) OPENSSL_free(buf);
2851 if (io != NULL) BIO_free_all(io);
2852 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2853 return(ret);
2854 }
2855
2856 #ifndef OPENSSL_NO_RSA
2857 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2858 {
2859 BIGNUM *bn = NULL;
2860 static RSA *rsa_tmp=NULL;
2861
2862 if (!rsa_tmp && ((bn = BN_new()) == NULL))
2863 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2864 if (!rsa_tmp && bn)
2865 {
2866 if (!s_quiet)
2867 {
2868 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2869 (void)BIO_flush(bio_err);
2870 }
2871 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2872 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2873 {
2874 if(rsa_tmp) RSA_free(rsa_tmp);
2875 rsa_tmp = NULL;
2876 }
2877 if (!s_quiet)
2878 {
2879 BIO_printf(bio_err,"\n");
2880 (void)BIO_flush(bio_err);
2881 }
2882 BN_free(bn);
2883 }
2884 return(rsa_tmp);
2885 }
2886 #endif
2887
2888 #define MAX_SESSION_ID_ATTEMPTS 10
2889 static int generate_session_id(const SSL *ssl, unsigned char *id,
2890 unsigned int *id_len)
2891 {
2892 unsigned int count = 0;
2893 do {
2894 RAND_pseudo_bytes(id, *id_len);
2895 /* Prefix the session_id with the required prefix. NB: If our
2896 * prefix is too long, clip it - but there will be worse effects
2897 * anyway, eg. the server could only possibly create 1 session
2898 * ID (ie. the prefix!) so all future session negotiations will
2899 * fail due to conflicts. */
2900 memcpy(id, session_id_prefix,
2901 (strlen(session_id_prefix) < *id_len) ?
2902 strlen(session_id_prefix) : *id_len);
2903 }
2904 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2905 (++count < MAX_SESSION_ID_ATTEMPTS));
2906 if(count >= MAX_SESSION_ID_ATTEMPTS)
2907 return 0;
2908 return 1;
2909 }
2910
2911 /* By default s_server uses an in-memory cache which caches SSL_SESSION
2912 * structures without any serialisation. This hides some bugs which only
2913 * become apparent in deployed servers. By implementing a basic external
2914 * session cache some issues can be debugged using s_server.
2915 */
2916
2917 typedef struct simple_ssl_session_st
2918 {
2919 unsigned char *id;
2920 unsigned int idlen;
2921 unsigned char *der;
2922 int derlen;
2923 struct simple_ssl_session_st *next;
2924 } simple_ssl_session;
2925
2926 static simple_ssl_session *first = NULL;
2927
2928 static int add_session(SSL *ssl, SSL_SESSION *session)
2929 {
2930 simple_ssl_session *sess;
2931 unsigned char *p;
2932
2933 sess = OPENSSL_malloc(sizeof(simple_ssl_session));
2934
2935 sess->idlen = SSL_SESSION_get_id_len(session);
2936 sess->derlen = i2d_SSL_SESSION(session, NULL);
2937
2938 sess->id = BUF_memdup(SSL_SESSION_get0_id(session), sess->idlen);
2939
2940 sess->der = OPENSSL_malloc(sess->derlen);
2941 p = sess->der;
2942 i2d_SSL_SESSION(session, &p);
2943
2944 sess->next = first;
2945 first = sess;
2946 BIO_printf(bio_err, "New session added to external cache\n");
2947 return 0;
2948 }
2949
2950 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
2951 int *do_copy)
2952 {
2953 simple_ssl_session *sess;
2954 *do_copy = 0;
2955 for (sess = first; sess; sess = sess->next)
2956 {
2957 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
2958 {
2959 const unsigned char *p = sess->der;
2960 BIO_printf(bio_err, "Lookup session: cache hit\n");
2961 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
2962 }
2963 }
2964 BIO_printf(bio_err, "Lookup session: cache miss\n");
2965 return NULL;
2966 }
2967
2968 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
2969 {
2970 simple_ssl_session *sess, *prev = NULL;
2971 const unsigned char *id = SSL_SESSION_get0_id(session);
2972 unsigned int idlen = SSL_SESSION_get_id_len(session);
2973 for (sess = first; sess; sess = sess->next)
2974 {
2975 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
2976 {
2977 if(prev)
2978 prev->next = sess->next;
2979 else
2980 first = sess->next;
2981 OPENSSL_free(sess->id);
2982 OPENSSL_free(sess->der);
2983 OPENSSL_free(sess);
2984 return;
2985 }
2986 prev = sess;
2987 }
2988 }
2989
2990 static void init_session_cache_ctx(SSL_CTX *sctx)
2991 {
2992 SSL_CTX_set_session_cache_mode(sctx,
2993 SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
2994 SSL_CTX_sess_set_new_cb(sctx, add_session);
2995 SSL_CTX_sess_set_get_cb(sctx, get_session);
2996 SSL_CTX_sess_set_remove_cb(sctx, del_session);
2997 }
2998
2999 static void free_sessions(void)
3000 {
3001 simple_ssl_session *sess, *tsess;
3002 for (sess = first; sess;)
3003 {
3004 OPENSSL_free(sess->id);
3005 OPENSSL_free(sess->der);
3006 tsess = sess;
3007 sess = sess->next;
3008 OPENSSL_free(tsess);
3009 }
3010 first = NULL;
3011 }
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
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