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Separate client and server permitted signature algorithm support: by default
[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, *s_chain_file=NULL;
274 #ifndef OPENSSL_NO_TLSEXT
275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
276 static char *curves=NULL;
277 static char *sigalgs=NULL;
278 static char *client_sigalgs=NULL;
279 #endif
280 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
281 #ifdef FIONBIO
282 static int s_nbio=0;
283 #endif
284 static int s_nbio_test=0;
285 int s_crlf=0;
286 static SSL_CTX *ctx=NULL;
287 #ifndef OPENSSL_NO_TLSEXT
288 static SSL_CTX *ctx2=NULL;
289 #endif
290 static int www=0;
291
292 static BIO *bio_s_out=NULL;
293 static BIO *bio_s_msg = NULL;
294 static int s_debug=0;
295 #ifndef OPENSSL_NO_TLSEXT
296 static int s_tlsextdebug=0;
297 static int s_tlsextstatus=0;
298 static int cert_status_cb(SSL *s, void *arg);
299 #endif
300 static int no_resume_ephemeral = 0;
301 static int s_msg=0;
302 static int s_quiet=0;
303
304 static char *keymatexportlabel=NULL;
305 static int keymatexportlen=20;
306
307 static int hack=0;
308 #ifndef OPENSSL_NO_ENGINE
309 static char *engine_id=NULL;
310 #endif
311 static const char *session_id_prefix=NULL;
312
313 static int enable_timeouts = 0;
314 static long socket_mtu;
315 #ifndef OPENSSL_NO_DTLS1
316 static int cert_chain = 0;
317 #endif
318
319 #ifndef OPENSSL_NO_TLSEXT
320 static BIO *authz_in = NULL;
321 static const char *s_authz_file = NULL;
322 #endif
323
324 #ifndef OPENSSL_NO_PSK
325 static char *psk_identity="Client_identity";
326 char *psk_key=NULL; /* by default PSK is not used */
327
328 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
329 unsigned char *psk, unsigned int max_psk_len)
330 {
331 unsigned int psk_len = 0;
332 int ret;
333 BIGNUM *bn = NULL;
334
335 if (s_debug)
336 BIO_printf(bio_s_out,"psk_server_cb\n");
337 if (!identity)
338 {
339 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
340 goto out_err;
341 }
342 if (s_debug)
343 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
344 identity ? (int)strlen(identity) : 0, identity);
345
346 /* here we could lookup the given identity e.g. from a database */
347 if (strcmp(identity, psk_identity) != 0)
348 {
349 BIO_printf(bio_s_out, "PSK error: client identity not found"
350 " (got '%s' expected '%s')\n", identity,
351 psk_identity);
352 goto out_err;
353 }
354 if (s_debug)
355 BIO_printf(bio_s_out, "PSK client identity found\n");
356
357 /* convert the PSK key to binary */
358 ret = BN_hex2bn(&bn, psk_key);
359 if (!ret)
360 {
361 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
362 if (bn)
363 BN_free(bn);
364 return 0;
365 }
366 if (BN_num_bytes(bn) > (int)max_psk_len)
367 {
368 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
369 max_psk_len, BN_num_bytes(bn));
370 BN_free(bn);
371 return 0;
372 }
373
374 ret = BN_bn2bin(bn, psk);
375 BN_free(bn);
376
377 if (ret < 0)
378 goto out_err;
379 psk_len = (unsigned int)ret;
380
381 if (s_debug)
382 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
383 return psk_len;
384 out_err:
385 if (s_debug)
386 BIO_printf(bio_err, "Error in PSK server callback\n");
387 return 0;
388 }
389 #endif
390
391 #ifndef OPENSSL_NO_SRP
392 /* This is a context that we pass to callbacks */
393 typedef struct srpsrvparm_st
394 {
395 char *login;
396 SRP_VBASE *vb;
397 SRP_user_pwd *user;
398 } srpsrvparm;
399
400 /* This callback pretends to require some asynchronous logic in order to obtain
401 a verifier. When the callback is called for a new connection we return
402 with a negative value. This will provoke the accept etc to return with
403 an LOOKUP_X509. The main logic of the reinvokes the suspended call
404 (which would normally occur after a worker has finished) and we
405 set the user parameters.
406 */
407 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
408 {
409 srpsrvparm *p = (srpsrvparm *)arg;
410 if (p->login == NULL && p->user == NULL )
411 {
412 p->login = SSL_get_srp_username(s);
413 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
414 return (-1) ;
415 }
416
417 if (p->user == NULL)
418 {
419 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
420 return SSL3_AL_FATAL;
421 }
422 if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
423 p->user->info) < 0)
424 {
425 *ad = SSL_AD_INTERNAL_ERROR;
426 return SSL3_AL_FATAL;
427 }
428 BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
429 /* need to check whether there are memory leaks */
430 p->user = NULL;
431 p->login = NULL;
432 return SSL_ERROR_NONE;
433 }
434
435 #endif
436
437 #ifdef MONOLITH
438 static void s_server_init(void)
439 {
440 accept_socket=-1;
441 cipher=NULL;
442 s_server_verify=SSL_VERIFY_NONE;
443 s_dcert_file=NULL;
444 s_dkey_file=NULL;
445 s_dchain_file=NULL;
446 s_cert_file=TEST_CERT;
447 s_key_file=NULL;
448 s_chain_file=NULL;
449 #ifndef OPENSSL_NO_TLSEXT
450 curves=NULL;
451 s_cert_file2=TEST_CERT2;
452 s_key_file2=NULL;
453 ctx2=NULL;
454 #endif
455 #ifdef FIONBIO
456 s_nbio=0;
457 #endif
458 s_nbio_test=0;
459 ctx=NULL;
460 www=0;
461
462 bio_s_out=NULL;
463 s_debug=0;
464 s_msg=0;
465 s_quiet=0;
466 hack=0;
467 #ifndef OPENSSL_NO_ENGINE
468 engine_id=NULL;
469 #endif
470 }
471 #endif
472
473 static void sv_usage(void)
474 {
475 BIO_printf(bio_err,"usage: s_server [args ...]\n");
476 BIO_printf(bio_err,"\n");
477 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
478 BIO_printf(bio_err," -context arg - set session ID context\n");
479 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
480 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
481 BIO_printf(bio_err," -cert arg - certificate file to use\n");
482 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
483 BIO_printf(bio_err," -authz arg - binary authz file for certificate\n");
484 BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \
485 " The CRL(s) are appended to the certificate file\n");
486 BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
487 " or any other CRL in the CA chain. CRL(s) are appened to the\n" \
488 " the certificate file.\n");
489 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
490 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n");
491 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
492 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
493 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
494 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
495 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n");
496 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
497 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
498 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n");
499 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
500 BIO_printf(bio_err," or a default set of parameters is used\n");
501 #ifndef OPENSSL_NO_ECDH
502 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
503 " Use \"openssl ecparam -list_curves\" for all names\n" \
504 " (default is nistp256).\n");
505 #endif
506 #ifdef FIONBIO
507 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
508 #endif
509 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
510 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
511 BIO_printf(bio_err," -debug - Print more output\n");
512 BIO_printf(bio_err," -msg - Show protocol messages\n");
513 BIO_printf(bio_err," -state - Print the SSL states\n");
514 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
515 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
516 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
517 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
518 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
519 BIO_printf(bio_err," -quiet - No server output\n");
520 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
521 #ifndef OPENSSL_NO_PSK
522 BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
523 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
524 # ifndef OPENSSL_NO_JPAKE
525 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
526 # endif
527 #endif
528 #ifndef OPENSSL_NO_SRP
529 BIO_printf(bio_err," -srpvfile file - The verifier file for SRP\n");
530 BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
531 #endif
532 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
533 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
534 BIO_printf(bio_err," -tls1_2 - Just talk TLSv1.2\n");
535 BIO_printf(bio_err," -tls1_1 - Just talk TLSv1.1\n");
536 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
537 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n");
538 BIO_printf(bio_err," -timeout - Enable timeouts\n");
539 BIO_printf(bio_err," -mtu - Set link layer MTU\n");
540 BIO_printf(bio_err," -chain - Read a certificate chain\n");
541 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
542 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
543 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
544 BIO_printf(bio_err," -no_tls1_1 - Just disable TLSv1.1\n");
545 BIO_printf(bio_err," -no_tls1_2 - Just disable TLSv1.2\n");
546 #ifndef OPENSSL_NO_DH
547 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
548 #endif
549 #ifndef OPENSSL_NO_ECDH
550 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
551 #endif
552 BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
553 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
554 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
555 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
556 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
557 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
558 #ifndef OPENSSL_NO_ENGINE
559 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
560 #endif
561 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
562 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
563 #ifndef OPENSSL_NO_TLSEXT
564 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
565 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
566 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n");
567 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2);
568 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n");
569 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2);
570 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
571 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
572 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
573 # ifndef OPENSSL_NO_NEXTPROTONEG
574 BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
575 # endif
576 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
577 #endif
578 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
579 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
580 }
581
582 static int local_argc=0;
583 static char **local_argv;
584
585 #ifdef CHARSET_EBCDIC
586 static int ebcdic_new(BIO *bi);
587 static int ebcdic_free(BIO *a);
588 static int ebcdic_read(BIO *b, char *out, int outl);
589 static int ebcdic_write(BIO *b, const char *in, int inl);
590 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
591 static int ebcdic_gets(BIO *bp, char *buf, int size);
592 static int ebcdic_puts(BIO *bp, const char *str);
593
594 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
595 static BIO_METHOD methods_ebcdic=
596 {
597 BIO_TYPE_EBCDIC_FILTER,
598 "EBCDIC/ASCII filter",
599 ebcdic_write,
600 ebcdic_read,
601 ebcdic_puts,
602 ebcdic_gets,
603 ebcdic_ctrl,
604 ebcdic_new,
605 ebcdic_free,
606 };
607
608 typedef struct
609 {
610 size_t alloced;
611 char buff[1];
612 } EBCDIC_OUTBUFF;
613
614 BIO_METHOD *BIO_f_ebcdic_filter()
615 {
616 return(&methods_ebcdic);
617 }
618
619 static int ebcdic_new(BIO *bi)
620 {
621 EBCDIC_OUTBUFF *wbuf;
622
623 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
624 wbuf->alloced = 1024;
625 wbuf->buff[0] = '\0';
626
627 bi->ptr=(char *)wbuf;
628 bi->init=1;
629 bi->flags=0;
630 return(1);
631 }
632
633 static int ebcdic_free(BIO *a)
634 {
635 if (a == NULL) return(0);
636 if (a->ptr != NULL)
637 OPENSSL_free(a->ptr);
638 a->ptr=NULL;
639 a->init=0;
640 a->flags=0;
641 return(1);
642 }
643
644 static int ebcdic_read(BIO *b, char *out, int outl)
645 {
646 int ret=0;
647
648 if (out == NULL || outl == 0) return(0);
649 if (b->next_bio == NULL) return(0);
650
651 ret=BIO_read(b->next_bio,out,outl);
652 if (ret > 0)
653 ascii2ebcdic(out,out,ret);
654 return(ret);
655 }
656
657 static int ebcdic_write(BIO *b, const char *in, int inl)
658 {
659 EBCDIC_OUTBUFF *wbuf;
660 int ret=0;
661 int num;
662 unsigned char n;
663
664 if ((in == NULL) || (inl <= 0)) return(0);
665 if (b->next_bio == NULL) return(0);
666
667 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
668
669 if (inl > (num = wbuf->alloced))
670 {
671 num = num + num; /* double the size */
672 if (num < inl)
673 num = inl;
674 OPENSSL_free(wbuf);
675 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
676
677 wbuf->alloced = num;
678 wbuf->buff[0] = '\0';
679
680 b->ptr=(char *)wbuf;
681 }
682
683 ebcdic2ascii(wbuf->buff, in, inl);
684
685 ret=BIO_write(b->next_bio, wbuf->buff, inl);
686
687 return(ret);
688 }
689
690 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
691 {
692 long ret;
693
694 if (b->next_bio == NULL) return(0);
695 switch (cmd)
696 {
697 case BIO_CTRL_DUP:
698 ret=0L;
699 break;
700 default:
701 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
702 break;
703 }
704 return(ret);
705 }
706
707 static int ebcdic_gets(BIO *bp, char *buf, int size)
708 {
709 int i, ret=0;
710 if (bp->next_bio == NULL) return(0);
711 /* return(BIO_gets(bp->next_bio,buf,size));*/
712 for (i=0; i<size-1; ++i)
713 {
714 ret = ebcdic_read(bp,&buf[i],1);
715 if (ret <= 0)
716 break;
717 else if (buf[i] == '\n')
718 {
719 ++i;
720 break;
721 }
722 }
723 if (i < size)
724 buf[i] = '\0';
725 return (ret < 0 && i == 0) ? ret : i;
726 }
727
728 static int ebcdic_puts(BIO *bp, const char *str)
729 {
730 if (bp->next_bio == NULL) return(0);
731 return ebcdic_write(bp, str, strlen(str));
732 }
733 #endif
734
735 #ifndef OPENSSL_NO_TLSEXT
736
737 /* This is a context that we pass to callbacks */
738 typedef struct tlsextctx_st {
739 char * servername;
740 BIO * biodebug;
741 int extension_error;
742 } tlsextctx;
743
744
745 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
746 {
747 tlsextctx * p = (tlsextctx *) arg;
748 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
749 if (servername && p->biodebug)
750 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
751
752 if (!p->servername)
753 return SSL_TLSEXT_ERR_NOACK;
754
755 if (servername)
756 {
757 if (strcmp(servername,p->servername))
758 return p->extension_error;
759 if (ctx2)
760 {
761 BIO_printf(p->biodebug,"Switching server context.\n");
762 SSL_set_SSL_CTX(s,ctx2);
763 }
764 }
765 return SSL_TLSEXT_ERR_OK;
766 }
767
768 /* Structure passed to cert status callback */
769
770 typedef struct tlsextstatusctx_st {
771 /* Default responder to use */
772 char *host, *path, *port;
773 int use_ssl;
774 int timeout;
775 BIO *err;
776 int verbose;
777 } tlsextstatusctx;
778
779 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
780
781 /* Certificate Status callback. This is called when a client includes a
782 * certificate status request extension.
783 *
784 * This is a simplified version. It examines certificates each time and
785 * makes one OCSP responder query for each request.
786 *
787 * A full version would store details such as the OCSP certificate IDs and
788 * minimise the number of OCSP responses by caching them until they were
789 * considered "expired".
790 */
791
792 static int cert_status_cb(SSL *s, void *arg)
793 {
794 tlsextstatusctx *srctx = arg;
795 BIO *err = srctx->err;
796 char *host, *port, *path;
797 int use_ssl;
798 unsigned char *rspder = NULL;
799 int rspderlen;
800 STACK_OF(OPENSSL_STRING) *aia = NULL;
801 X509 *x = NULL;
802 X509_STORE_CTX inctx;
803 X509_OBJECT obj;
804 OCSP_REQUEST *req = NULL;
805 OCSP_RESPONSE *resp = NULL;
806 OCSP_CERTID *id = NULL;
807 STACK_OF(X509_EXTENSION) *exts;
808 int ret = SSL_TLSEXT_ERR_NOACK;
809 int i;
810 #if 0
811 STACK_OF(OCSP_RESPID) *ids;
812 SSL_get_tlsext_status_ids(s, &ids);
813 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
814 #endif
815 if (srctx->verbose)
816 BIO_puts(err, "cert_status: callback called\n");
817 /* Build up OCSP query from server certificate */
818 x = SSL_get_certificate(s);
819 aia = X509_get1_ocsp(x);
820 if (aia)
821 {
822 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
823 &host, &port, &path, &use_ssl))
824 {
825 BIO_puts(err, "cert_status: can't parse AIA URL\n");
826 goto err;
827 }
828 if (srctx->verbose)
829 BIO_printf(err, "cert_status: AIA URL: %s\n",
830 sk_OPENSSL_STRING_value(aia, 0));
831 }
832 else
833 {
834 if (!srctx->host)
835 {
836 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
837 goto done;
838 }
839 host = srctx->host;
840 path = srctx->path;
841 port = srctx->port;
842 use_ssl = srctx->use_ssl;
843 }
844
845 if (!X509_STORE_CTX_init(&inctx,
846 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
847 NULL, NULL))
848 goto err;
849 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
850 X509_get_issuer_name(x),&obj) <= 0)
851 {
852 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
853 X509_STORE_CTX_cleanup(&inctx);
854 goto done;
855 }
856 req = OCSP_REQUEST_new();
857 if (!req)
858 goto err;
859 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
860 X509_free(obj.data.x509);
861 X509_STORE_CTX_cleanup(&inctx);
862 if (!id)
863 goto err;
864 if (!OCSP_request_add0_id(req, id))
865 goto err;
866 id = NULL;
867 /* Add any extensions to the request */
868 SSL_get_tlsext_status_exts(s, &exts);
869 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
870 {
871 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
872 if (!OCSP_REQUEST_add_ext(req, ext, -1))
873 goto err;
874 }
875 resp = process_responder(err, req, host, path, port, use_ssl, NULL,
876 srctx->timeout);
877 if (!resp)
878 {
879 BIO_puts(err, "cert_status: error querying responder\n");
880 goto done;
881 }
882 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
883 if (rspderlen <= 0)
884 goto err;
885 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
886 if (srctx->verbose)
887 {
888 BIO_puts(err, "cert_status: ocsp response sent:\n");
889 OCSP_RESPONSE_print(err, resp, 2);
890 }
891 ret = SSL_TLSEXT_ERR_OK;
892 done:
893 if (ret != SSL_TLSEXT_ERR_OK)
894 ERR_print_errors(err);
895 if (aia)
896 {
897 OPENSSL_free(host);
898 OPENSSL_free(path);
899 OPENSSL_free(port);
900 X509_email_free(aia);
901 }
902 if (id)
903 OCSP_CERTID_free(id);
904 if (req)
905 OCSP_REQUEST_free(req);
906 if (resp)
907 OCSP_RESPONSE_free(resp);
908 return ret;
909 err:
910 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
911 goto done;
912 }
913
914 # ifndef OPENSSL_NO_NEXTPROTONEG
915 /* This is the context that we pass to next_proto_cb */
916 typedef struct tlsextnextprotoctx_st {
917 unsigned char *data;
918 unsigned int len;
919 } tlsextnextprotoctx;
920
921 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
922 {
923 tlsextnextprotoctx *next_proto = arg;
924
925 *data = next_proto->data;
926 *len = next_proto->len;
927
928 return SSL_TLSEXT_ERR_OK;
929 }
930 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
931 #endif
932
933 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
934 {
935 /* disable resumption for sessions with forward secure ciphers */
936 return is_forward_secure;
937 }
938
939 int MAIN(int, char **);
940
941 #ifndef OPENSSL_NO_JPAKE
942 static char *jpake_secret = NULL;
943 #endif
944 #ifndef OPENSSL_NO_SRP
945 static srpsrvparm srp_callback_parm;
946 #endif
947 static char *srtp_profiles = NULL;
948
949 int MAIN(int argc, char *argv[])
950 {
951 X509_VERIFY_PARAM *vpm = NULL;
952 int badarg = 0;
953 short port=PORT;
954 char *CApath=NULL,*CAfile=NULL;
955 unsigned char *context = NULL;
956 char *dhfile = NULL;
957 #ifndef OPENSSL_NO_ECDH
958 char *named_curve = NULL;
959 #endif
960 int badop=0,bugs=0;
961 int ret=1;
962 int off=0;
963 int cert_flags = 0;
964 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
965 int state=0;
966 const SSL_METHOD *meth=NULL;
967 int socket_type=SOCK_STREAM;
968 ENGINE *e=NULL;
969 char *inrand=NULL;
970 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
971 char *passarg = NULL, *pass = NULL;
972 char *dpassarg = NULL, *dpass = NULL;
973 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
974 X509 *s_cert = NULL, *s_dcert = NULL;
975 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
976 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
977 int no_cache = 0, ext_cache = 0;
978 #ifndef OPENSSL_NO_TLSEXT
979 EVP_PKEY *s_key2 = NULL;
980 X509 *s_cert2 = NULL;
981 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
982 # ifndef OPENSSL_NO_NEXTPROTONEG
983 const char *next_proto_neg_in = NULL;
984 tlsextnextprotoctx next_proto;
985 # endif
986 #endif
987 #ifndef OPENSSL_NO_PSK
988 /* by default do not send a PSK identity hint */
989 static char *psk_identity_hint=NULL;
990 #endif
991 #ifndef OPENSSL_NO_SRP
992 char *srpuserseed = NULL;
993 char *srp_verifier_file = NULL;
994 #endif
995 SSL_EXCERT *exc = NULL;
996 meth=SSLv23_server_method();
997
998 local_argc=argc;
999 local_argv=argv;
1000
1001 apps_startup();
1002 #ifdef MONOLITH
1003 s_server_init();
1004 #endif
1005
1006 if (bio_err == NULL)
1007 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1008
1009 if (!load_config(bio_err, NULL))
1010 goto end;
1011
1012 verify_depth=0;
1013 #ifdef FIONBIO
1014 s_nbio=0;
1015 #endif
1016 s_nbio_test=0;
1017
1018 argc--;
1019 argv++;
1020
1021 while (argc >= 1)
1022 {
1023 if ((strcmp(*argv,"-port") == 0) ||
1024 (strcmp(*argv,"-accept") == 0))
1025 {
1026 if (--argc < 1) goto bad;
1027 if (!extract_port(*(++argv),&port))
1028 goto bad;
1029 }
1030 else if (strcmp(*argv,"-verify") == 0)
1031 {
1032 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1033 if (--argc < 1) goto bad;
1034 verify_depth=atoi(*(++argv));
1035 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1036 }
1037 else if (strcmp(*argv,"-Verify") == 0)
1038 {
1039 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1040 SSL_VERIFY_CLIENT_ONCE;
1041 if (--argc < 1) goto bad;
1042 verify_depth=atoi(*(++argv));
1043 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1044 }
1045 else if (strcmp(*argv,"-context") == 0)
1046 {
1047 if (--argc < 1) goto bad;
1048 context= (unsigned char *)*(++argv);
1049 }
1050 else if (strcmp(*argv,"-cert") == 0)
1051 {
1052 if (--argc < 1) goto bad;
1053 s_cert_file= *(++argv);
1054 }
1055 #ifndef OPENSSL_NO_TLSEXT
1056 else if (strcmp(*argv,"-authz") == 0)
1057 {
1058 if (--argc < 1) goto bad;
1059 s_authz_file = *(++argv);
1060 }
1061 #endif
1062 else if (strcmp(*argv,"-certform") == 0)
1063 {
1064 if (--argc < 1) goto bad;
1065 s_cert_format = str2fmt(*(++argv));
1066 }
1067 else if (strcmp(*argv,"-key") == 0)
1068 {
1069 if (--argc < 1) goto bad;
1070 s_key_file= *(++argv);
1071 }
1072 else if (strcmp(*argv,"-keyform") == 0)
1073 {
1074 if (--argc < 1) goto bad;
1075 s_key_format = str2fmt(*(++argv));
1076 }
1077 else if (strcmp(*argv,"-pass") == 0)
1078 {
1079 if (--argc < 1) goto bad;
1080 passarg = *(++argv);
1081 }
1082 else if (strcmp(*argv,"-cert_chain") == 0)
1083 {
1084 if (--argc < 1) goto bad;
1085 s_chain_file= *(++argv);
1086 }
1087 else if (strcmp(*argv,"-dhparam") == 0)
1088 {
1089 if (--argc < 1) goto bad;
1090 dhfile = *(++argv);
1091 }
1092 #ifndef OPENSSL_NO_ECDH
1093 else if (strcmp(*argv,"-named_curve") == 0)
1094 {
1095 if (--argc < 1) goto bad;
1096 named_curve = *(++argv);
1097 }
1098 #endif
1099 else if (strcmp(*argv,"-dcertform") == 0)
1100 {
1101 if (--argc < 1) goto bad;
1102 s_dcert_format = str2fmt(*(++argv));
1103 }
1104 else if (strcmp(*argv,"-dcert") == 0)
1105 {
1106 if (--argc < 1) goto bad;
1107 s_dcert_file= *(++argv);
1108 }
1109 else if (strcmp(*argv,"-dkeyform") == 0)
1110 {
1111 if (--argc < 1) goto bad;
1112 s_dkey_format = str2fmt(*(++argv));
1113 }
1114 else if (strcmp(*argv,"-dpass") == 0)
1115 {
1116 if (--argc < 1) goto bad;
1117 dpassarg = *(++argv);
1118 }
1119 else if (strcmp(*argv,"-dkey") == 0)
1120 {
1121 if (--argc < 1) goto bad;
1122 s_dkey_file= *(++argv);
1123 }
1124 else if (strcmp(*argv,"-dcert_chain") == 0)
1125 {
1126 if (--argc < 1) goto bad;
1127 s_dchain_file= *(++argv);
1128 }
1129 else if (strcmp(*argv,"-nocert") == 0)
1130 {
1131 nocert=1;
1132 }
1133 else if (strcmp(*argv,"-CApath") == 0)
1134 {
1135 if (--argc < 1) goto bad;
1136 CApath= *(++argv);
1137 }
1138 else if (strcmp(*argv,"-no_cache") == 0)
1139 no_cache = 1;
1140 else if (strcmp(*argv,"-ext_cache") == 0)
1141 ext_cache = 1;
1142 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1143 {
1144 if (badarg)
1145 goto bad;
1146 continue;
1147 }
1148 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1149 {
1150 if (badarg)
1151 goto bad;
1152 continue;
1153 }
1154 else if (strcmp(*argv,"-verify_return_error") == 0)
1155 verify_return_error = 1;
1156 else if (strcmp(*argv,"-serverpref") == 0)
1157 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1158 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1159 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1160 else if (strcmp(*argv,"-cipher") == 0)
1161 {
1162 if (--argc < 1) goto bad;
1163 cipher= *(++argv);
1164 }
1165 else if (strcmp(*argv,"-CAfile") == 0)
1166 {
1167 if (--argc < 1) goto bad;
1168 CAfile= *(++argv);
1169 }
1170 #ifdef FIONBIO
1171 else if (strcmp(*argv,"-nbio") == 0)
1172 { s_nbio=1; }
1173 #endif
1174 else if (strcmp(*argv,"-nbio_test") == 0)
1175 {
1176 #ifdef FIONBIO
1177 s_nbio=1;
1178 #endif
1179 s_nbio_test=1;
1180 }
1181 else if (strcmp(*argv,"-debug") == 0)
1182 { s_debug=1; }
1183 #ifndef OPENSSL_NO_TLSEXT
1184 else if (strcmp(*argv,"-tlsextdebug") == 0)
1185 s_tlsextdebug=1;
1186 else if (strcmp(*argv,"-status") == 0)
1187 s_tlsextstatus=1;
1188 else if (strcmp(*argv,"-status_verbose") == 0)
1189 {
1190 s_tlsextstatus=1;
1191 tlscstatp.verbose = 1;
1192 }
1193 else if (!strcmp(*argv, "-status_timeout"))
1194 {
1195 s_tlsextstatus=1;
1196 if (--argc < 1) goto bad;
1197 tlscstatp.timeout = atoi(*(++argv));
1198 }
1199 else if (!strcmp(*argv, "-status_url"))
1200 {
1201 s_tlsextstatus=1;
1202 if (--argc < 1) goto bad;
1203 if (!OCSP_parse_url(*(++argv),
1204 &tlscstatp.host,
1205 &tlscstatp.port,
1206 &tlscstatp.path,
1207 &tlscstatp.use_ssl))
1208 {
1209 BIO_printf(bio_err, "Error parsing URL\n");
1210 goto bad;
1211 }
1212 }
1213 else if (strcmp(*argv,"-curves") == 0)
1214 {
1215 if (--argc < 1) goto bad;
1216 curves= *(++argv);
1217 }
1218 else if (strcmp(*argv,"-sigalgs") == 0)
1219 {
1220 if (--argc < 1) goto bad;
1221 sigalgs= *(++argv);
1222 }
1223 else if (strcmp(*argv,"-client_sigalgs") == 0)
1224 {
1225 if (--argc < 1) goto bad;
1226 client_sigalgs= *(++argv);
1227 }
1228 #endif
1229 else if (strcmp(*argv,"-msg") == 0)
1230 { s_msg=1; }
1231 else if (strcmp(*argv,"-msgfile") == 0)
1232 {
1233 if (--argc < 1) goto bad;
1234 bio_s_msg = BIO_new_file(*(++argv), "w");
1235 }
1236 #ifndef OPENSSL_NO_SSL_TRACE
1237 else if (strcmp(*argv,"-trace") == 0)
1238 { s_msg=2; }
1239 #endif
1240 else if (strcmp(*argv,"-hack") == 0)
1241 { hack=1; }
1242 else if (strcmp(*argv,"-state") == 0)
1243 { state=1; }
1244 else if (strcmp(*argv,"-crlf") == 0)
1245 { s_crlf=1; }
1246 else if (strcmp(*argv,"-quiet") == 0)
1247 { s_quiet=1; }
1248 else if (strcmp(*argv,"-bugs") == 0)
1249 { bugs=1; }
1250 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1251 { no_tmp_rsa=1; }
1252 else if (strcmp(*argv,"-no_dhe") == 0)
1253 { no_dhe=1; }
1254 else if (strcmp(*argv,"-no_ecdhe") == 0)
1255 { no_ecdhe=1; }
1256 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1257 { no_resume_ephemeral = 1; }
1258 #ifndef OPENSSL_NO_PSK
1259 else if (strcmp(*argv,"-psk_hint") == 0)
1260 {
1261 if (--argc < 1) goto bad;
1262 psk_identity_hint= *(++argv);
1263 }
1264 else if (strcmp(*argv,"-psk") == 0)
1265 {
1266 size_t i;
1267
1268 if (--argc < 1) goto bad;
1269 psk_key=*(++argv);
1270 for (i=0; i<strlen(psk_key); i++)
1271 {
1272 if (isxdigit((unsigned char)psk_key[i]))
1273 continue;
1274 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1275 goto bad;
1276 }
1277 }
1278 #endif
1279 #ifndef OPENSSL_NO_SRP
1280 else if (strcmp(*argv, "-srpvfile") == 0)
1281 {
1282 if (--argc < 1) goto bad;
1283 srp_verifier_file = *(++argv);
1284 meth = TLSv1_server_method();
1285 }
1286 else if (strcmp(*argv, "-srpuserseed") == 0)
1287 {
1288 if (--argc < 1) goto bad;
1289 srpuserseed = *(++argv);
1290 meth = TLSv1_server_method();
1291 }
1292 #endif
1293 else if (strcmp(*argv,"-www") == 0)
1294 { www=1; }
1295 else if (strcmp(*argv,"-WWW") == 0)
1296 { www=2; }
1297 else if (strcmp(*argv,"-HTTP") == 0)
1298 { www=3; }
1299 else if (strcmp(*argv,"-no_ssl2") == 0)
1300 { off|=SSL_OP_NO_SSLv2; }
1301 else if (strcmp(*argv,"-no_ssl3") == 0)
1302 { off|=SSL_OP_NO_SSLv3; }
1303 else if (strcmp(*argv,"-no_tls1") == 0)
1304 { off|=SSL_OP_NO_TLSv1; }
1305 else if (strcmp(*argv,"-no_tls1_1") == 0)
1306 { off|=SSL_OP_NO_TLSv1_1; }
1307 else if (strcmp(*argv,"-no_tls1_2") == 0)
1308 { off|=SSL_OP_NO_TLSv1_2; }
1309 else if (strcmp(*argv,"-no_comp") == 0)
1310 { off|=SSL_OP_NO_COMPRESSION; }
1311 #ifndef OPENSSL_NO_TLSEXT
1312 else if (strcmp(*argv,"-no_ticket") == 0)
1313 { off|=SSL_OP_NO_TICKET; }
1314 #endif
1315 #ifndef OPENSSL_NO_SSL2
1316 else if (strcmp(*argv,"-ssl2") == 0)
1317 { meth=SSLv2_server_method(); }
1318 #endif
1319 #ifndef OPENSSL_NO_SSL3
1320 else if (strcmp(*argv,"-ssl3") == 0)
1321 { meth=SSLv3_server_method(); }
1322 #endif
1323 #ifndef OPENSSL_NO_TLS1
1324 else if (strcmp(*argv,"-tls1") == 0)
1325 { meth=TLSv1_server_method(); }
1326 else if (strcmp(*argv,"-tls1_1") == 0)
1327 { meth=TLSv1_1_server_method(); }
1328 else if (strcmp(*argv,"-tls1_2") == 0)
1329 { meth=TLSv1_2_server_method(); }
1330 #endif
1331 #ifndef OPENSSL_NO_DTLS1
1332 else if (strcmp(*argv,"-dtls1") == 0)
1333 {
1334 meth=DTLSv1_server_method();
1335 socket_type = SOCK_DGRAM;
1336 }
1337 else if (strcmp(*argv,"-timeout") == 0)
1338 enable_timeouts = 1;
1339 else if (strcmp(*argv,"-mtu") == 0)
1340 {
1341 if (--argc < 1) goto bad;
1342 socket_mtu = atol(*(++argv));
1343 }
1344 else if (strcmp(*argv, "-chain") == 0)
1345 cert_chain = 1;
1346 #endif
1347 else if (strcmp(*argv, "-id_prefix") == 0)
1348 {
1349 if (--argc < 1) goto bad;
1350 session_id_prefix = *(++argv);
1351 }
1352 #ifndef OPENSSL_NO_ENGINE
1353 else if (strcmp(*argv,"-engine") == 0)
1354 {
1355 if (--argc < 1) goto bad;
1356 engine_id= *(++argv);
1357 }
1358 #endif
1359 else if (strcmp(*argv,"-rand") == 0)
1360 {
1361 if (--argc < 1) goto bad;
1362 inrand= *(++argv);
1363 }
1364 #ifndef OPENSSL_NO_TLSEXT
1365 else if (strcmp(*argv,"-servername") == 0)
1366 {
1367 if (--argc < 1) goto bad;
1368 tlsextcbp.servername= *(++argv);
1369 }
1370 else if (strcmp(*argv,"-servername_fatal") == 0)
1371 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1372 else if (strcmp(*argv,"-cert2") == 0)
1373 {
1374 if (--argc < 1) goto bad;
1375 s_cert_file2= *(++argv);
1376 }
1377 else if (strcmp(*argv,"-key2") == 0)
1378 {
1379 if (--argc < 1) goto bad;
1380 s_key_file2= *(++argv);
1381 }
1382 # ifndef OPENSSL_NO_NEXTPROTONEG
1383 else if (strcmp(*argv,"-nextprotoneg") == 0)
1384 {
1385 if (--argc < 1) goto bad;
1386 next_proto_neg_in = *(++argv);
1387 }
1388 # endif
1389 #endif
1390 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1391 else if (strcmp(*argv,"-jpake") == 0)
1392 {
1393 if (--argc < 1) goto bad;
1394 jpake_secret = *(++argv);
1395 }
1396 #endif
1397 else if (strcmp(*argv,"-use_srtp") == 0)
1398 {
1399 if (--argc < 1) goto bad;
1400 srtp_profiles = *(++argv);
1401 }
1402 else if (strcmp(*argv,"-keymatexport") == 0)
1403 {
1404 if (--argc < 1) goto bad;
1405 keymatexportlabel= *(++argv);
1406 }
1407 else if (strcmp(*argv,"-keymatexportlen") == 0)
1408 {
1409 if (--argc < 1) goto bad;
1410 keymatexportlen=atoi(*(++argv));
1411 if (keymatexportlen == 0) goto bad;
1412 }
1413 else if (strcmp(*argv, "-cert_strict") == 0)
1414 cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1415 else
1416 {
1417 BIO_printf(bio_err,"unknown option %s\n",*argv);
1418 badop=1;
1419 break;
1420 }
1421 argc--;
1422 argv++;
1423 }
1424 if (badop)
1425 {
1426 bad:
1427 sv_usage();
1428 goto end;
1429 }
1430
1431 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1432 if (jpake_secret)
1433 {
1434 if (psk_key)
1435 {
1436 BIO_printf(bio_err,
1437 "Can't use JPAKE and PSK together\n");
1438 goto end;
1439 }
1440 psk_identity = "JPAKE";
1441 if (cipher)
1442 {
1443 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1444 goto end;
1445 }
1446 cipher = "PSK";
1447 }
1448
1449 #endif
1450
1451 SSL_load_error_strings();
1452 OpenSSL_add_ssl_algorithms();
1453
1454 #ifndef OPENSSL_NO_ENGINE
1455 e = setup_engine(bio_err, engine_id, 1);
1456 #endif
1457
1458 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1459 {
1460 BIO_printf(bio_err, "Error getting password\n");
1461 goto end;
1462 }
1463
1464
1465 if (s_key_file == NULL)
1466 s_key_file = s_cert_file;
1467 #ifndef OPENSSL_NO_TLSEXT
1468 if (s_key_file2 == NULL)
1469 s_key_file2 = s_cert_file2;
1470 #endif
1471
1472 if (!load_excert(&exc, bio_err))
1473 goto end;
1474
1475 if (nocert == 0)
1476 {
1477 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1478 "server certificate private key file");
1479 if (!s_key)
1480 {
1481 ERR_print_errors(bio_err);
1482 goto end;
1483 }
1484
1485 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1486 NULL, e, "server certificate file");
1487
1488 if (!s_cert)
1489 {
1490 ERR_print_errors(bio_err);
1491 goto end;
1492 }
1493 if (s_chain_file)
1494 {
1495 s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1496 NULL, e, "server certificate chain");
1497 if (!s_chain)
1498 goto end;
1499 }
1500
1501 #ifndef OPENSSL_NO_TLSEXT
1502 if (tlsextcbp.servername)
1503 {
1504 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1505 "second server certificate private key file");
1506 if (!s_key2)
1507 {
1508 ERR_print_errors(bio_err);
1509 goto end;
1510 }
1511
1512 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1513 NULL, e, "second server certificate file");
1514
1515 if (!s_cert2)
1516 {
1517 ERR_print_errors(bio_err);
1518 goto end;
1519 }
1520 }
1521
1522 # ifndef OPENSSL_NO_NEXTPROTONEG
1523 if (next_proto_neg_in)
1524 {
1525 unsigned short len;
1526 next_proto.data = next_protos_parse(&len,
1527 next_proto_neg_in);
1528 if (next_proto.data == NULL)
1529 goto end;
1530 next_proto.len = len;
1531 }
1532 else
1533 {
1534 next_proto.data = NULL;
1535 }
1536 # endif
1537 #endif /* OPENSSL_NO_TLSEXT */
1538 }
1539
1540
1541 if (s_dcert_file)
1542 {
1543
1544 if (s_dkey_file == NULL)
1545 s_dkey_file = s_dcert_file;
1546
1547 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1548 0, dpass, e,
1549 "second certificate private key file");
1550 if (!s_dkey)
1551 {
1552 ERR_print_errors(bio_err);
1553 goto end;
1554 }
1555
1556 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1557 NULL, e, "second server certificate file");
1558
1559 if (!s_dcert)
1560 {
1561 ERR_print_errors(bio_err);
1562 goto end;
1563 }
1564 if (s_dchain_file)
1565 {
1566 s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1567 NULL, e, "second server certificate chain");
1568 if (!s_dchain)
1569 goto end;
1570 }
1571
1572 }
1573
1574 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1575 && !RAND_status())
1576 {
1577 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1578 }
1579 if (inrand != NULL)
1580 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1581 app_RAND_load_files(inrand));
1582
1583 if (bio_s_out == NULL)
1584 {
1585 if (s_quiet && !s_debug && !s_msg)
1586 {
1587 bio_s_out=BIO_new(BIO_s_null());
1588 }
1589 else
1590 {
1591 if (bio_s_out == NULL)
1592 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1593 }
1594 }
1595
1596 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1597 if (nocert)
1598 #endif
1599 {
1600 s_cert_file=NULL;
1601 s_key_file=NULL;
1602 s_dcert_file=NULL;
1603 s_dkey_file=NULL;
1604 #ifndef OPENSSL_NO_TLSEXT
1605 s_cert_file2=NULL;
1606 s_key_file2=NULL;
1607 #endif
1608 }
1609
1610 ctx=SSL_CTX_new(meth);
1611 if (ctx == NULL)
1612 {
1613 ERR_print_errors(bio_err);
1614 goto end;
1615 }
1616 if (session_id_prefix)
1617 {
1618 if(strlen(session_id_prefix) >= 32)
1619 BIO_printf(bio_err,
1620 "warning: id_prefix is too long, only one new session will be possible\n");
1621 else if(strlen(session_id_prefix) >= 16)
1622 BIO_printf(bio_err,
1623 "warning: id_prefix is too long if you use SSLv2\n");
1624 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1625 {
1626 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1627 ERR_print_errors(bio_err);
1628 goto end;
1629 }
1630 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1631 }
1632 SSL_CTX_set_quiet_shutdown(ctx,1);
1633 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1634 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1635 SSL_CTX_set_options(ctx,off);
1636 if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1637 if (exc) ssl_ctx_set_excert(ctx, exc);
1638 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1639 * Setting read ahead solves this problem.
1640 */
1641 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1642
1643 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1644 if (no_cache)
1645 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1646 else if (ext_cache)
1647 init_session_cache_ctx(ctx);
1648 else
1649 SSL_CTX_sess_set_cache_size(ctx,128);
1650
1651 if (srtp_profiles != NULL)
1652 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1653
1654 #if 0
1655 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1656 #endif
1657
1658 #if 0
1659 if (s_cert_file == NULL)
1660 {
1661 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1662 goto end;
1663 }
1664 #endif
1665
1666 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1667 (!SSL_CTX_set_default_verify_paths(ctx)))
1668 {
1669 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1670 ERR_print_errors(bio_err);
1671 /* goto end; */
1672 }
1673 if (vpm)
1674 SSL_CTX_set1_param(ctx, vpm);
1675
1676 #ifndef OPENSSL_NO_TLSEXT
1677 if (s_cert2)
1678 {
1679 ctx2=SSL_CTX_new(meth);
1680 if (ctx2 == NULL)
1681 {
1682 ERR_print_errors(bio_err);
1683 goto end;
1684 }
1685 }
1686
1687 if (ctx2)
1688 {
1689 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1690
1691 if (session_id_prefix)
1692 {
1693 if(strlen(session_id_prefix) >= 32)
1694 BIO_printf(bio_err,
1695 "warning: id_prefix is too long, only one new session will be possible\n");
1696 else if(strlen(session_id_prefix) >= 16)
1697 BIO_printf(bio_err,
1698 "warning: id_prefix is too long if you use SSLv2\n");
1699 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1700 {
1701 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1702 ERR_print_errors(bio_err);
1703 goto end;
1704 }
1705 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1706 }
1707 SSL_CTX_set_quiet_shutdown(ctx2,1);
1708 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1709 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1710 SSL_CTX_set_options(ctx2,off);
1711 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1712 if (exc) ssl_ctx_set_excert(ctx2, exc);
1713 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1714 * Setting read ahead solves this problem.
1715 */
1716 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1717
1718 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1719
1720 if (no_cache)
1721 SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1722 else if (ext_cache)
1723 init_session_cache_ctx(ctx2);
1724 else
1725 SSL_CTX_sess_set_cache_size(ctx2,128);
1726
1727 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1728 (!SSL_CTX_set_default_verify_paths(ctx2)))
1729 {
1730 ERR_print_errors(bio_err);
1731 }
1732 if (vpm)
1733 SSL_CTX_set1_param(ctx2, vpm);
1734 }
1735
1736 # ifndef OPENSSL_NO_NEXTPROTONEG
1737 if (next_proto.data)
1738 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1739 # endif
1740 #endif
1741
1742 #ifndef OPENSSL_NO_DH
1743 if (!no_dhe)
1744 {
1745 DH *dh=NULL;
1746
1747 if (dhfile)
1748 dh = load_dh_param(dhfile);
1749 else if (s_cert_file)
1750 dh = load_dh_param(s_cert_file);
1751
1752 if (dh != NULL)
1753 {
1754 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1755 }
1756 else
1757 {
1758 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1759 dh=get_dh512();
1760 }
1761 (void)BIO_flush(bio_s_out);
1762
1763 SSL_CTX_set_tmp_dh(ctx,dh);
1764 #ifndef OPENSSL_NO_TLSEXT
1765 if (ctx2)
1766 {
1767 if (!dhfile)
1768 {
1769 DH *dh2=load_dh_param(s_cert_file2);
1770 if (dh2 != NULL)
1771 {
1772 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1773 (void)BIO_flush(bio_s_out);
1774
1775 DH_free(dh);
1776 dh = dh2;
1777 }
1778 }
1779 SSL_CTX_set_tmp_dh(ctx2,dh);
1780 }
1781 #endif
1782 DH_free(dh);
1783 }
1784 #endif
1785
1786 #ifndef OPENSSL_NO_ECDH
1787 if (!no_ecdhe)
1788 {
1789 EC_KEY *ecdh=NULL;
1790
1791 if (named_curve && strcmp(named_curve, "auto"))
1792 {
1793 int nid = EC_curve_nist2nid(named_curve);
1794 if (nid == NID_undef)
1795 nid = OBJ_sn2nid(named_curve);
1796 if (nid == 0)
1797 {
1798 BIO_printf(bio_err, "unknown curve name (%s)\n",
1799 named_curve);
1800 goto end;
1801 }
1802 ecdh = EC_KEY_new_by_curve_name(nid);
1803 if (ecdh == NULL)
1804 {
1805 BIO_printf(bio_err, "unable to create curve (%s)\n",
1806 named_curve);
1807 goto end;
1808 }
1809 }
1810
1811 if (ecdh != NULL)
1812 {
1813 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1814 }
1815 else if (named_curve)
1816 SSL_CTX_set_ecdh_auto(ctx, 1);
1817 else
1818 {
1819 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1820 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1821 if (ecdh == NULL)
1822 {
1823 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1824 goto end;
1825 }
1826 }
1827 (void)BIO_flush(bio_s_out);
1828
1829 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1830 #ifndef OPENSSL_NO_TLSEXT
1831 if (ctx2)
1832 SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1833 #endif
1834 EC_KEY_free(ecdh);
1835 }
1836 #endif
1837
1838 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1839 goto end;
1840 #ifndef OPENSSL_NO_TLSEXT
1841 if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1842 goto end;
1843 #endif
1844 #ifndef OPENSSL_NO_TLSEXT
1845 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1846 goto end;
1847 #endif
1848 if (s_dcert != NULL)
1849 {
1850 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1851 goto end;
1852 }
1853
1854 #ifndef OPENSSL_NO_RSA
1855 #if 1
1856 if (!no_tmp_rsa)
1857 {
1858 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1859 #ifndef OPENSSL_NO_TLSEXT
1860 if (ctx2)
1861 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1862 #endif
1863 }
1864 #else
1865 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1866 {
1867 RSA *rsa;
1868
1869 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1870 BIO_flush(bio_s_out);
1871
1872 rsa=RSA_generate_key(512,RSA_F4,NULL);
1873
1874 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1875 {
1876 ERR_print_errors(bio_err);
1877 goto end;
1878 }
1879 #ifndef OPENSSL_NO_TLSEXT
1880 if (ctx2)
1881 {
1882 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1883 {
1884 ERR_print_errors(bio_err);
1885 goto end;
1886 }
1887 }
1888 #endif
1889 RSA_free(rsa);
1890 BIO_printf(bio_s_out,"\n");
1891 }
1892 #endif
1893 #endif
1894
1895 if (no_resume_ephemeral)
1896 {
1897 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1898 #ifndef OPENSSL_NO_TLSEXT
1899 if (ctx2)
1900 SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1901 #endif
1902 }
1903
1904 #ifndef OPENSSL_NO_PSK
1905 #ifdef OPENSSL_NO_JPAKE
1906 if (psk_key != NULL)
1907 #else
1908 if (psk_key != NULL || jpake_secret)
1909 #endif
1910 {
1911 if (s_debug)
1912 BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1913 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1914 }
1915
1916 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1917 {
1918 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1919 ERR_print_errors(bio_err);
1920 goto end;
1921 }
1922 #endif
1923
1924 if (cipher != NULL)
1925 {
1926 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1927 {
1928 BIO_printf(bio_err,"error setting cipher list\n");
1929 ERR_print_errors(bio_err);
1930 goto end;
1931 }
1932 #ifndef OPENSSL_NO_TLSEXT
1933 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1934 {
1935 BIO_printf(bio_err,"error setting cipher list\n");
1936 ERR_print_errors(bio_err);
1937 goto end;
1938 }
1939 #endif
1940 }
1941 #ifndef OPENSSL_NO_TLSEXT
1942 if (curves)
1943 {
1944 if(!SSL_CTX_set1_curves_list(ctx,curves))
1945 {
1946 BIO_printf(bio_err,"error setting curves list\n");
1947 ERR_print_errors(bio_err);
1948 goto end;
1949 }
1950 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1951 {
1952 BIO_printf(bio_err,"error setting curves list\n");
1953 ERR_print_errors(bio_err);
1954 goto end;
1955 }
1956 }
1957 if (sigalgs)
1958 {
1959 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1960 {
1961 BIO_printf(bio_err,"error setting signature algorithms\n");
1962 ERR_print_errors(bio_err);
1963 goto end;
1964 }
1965 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
1966 {
1967 BIO_printf(bio_err,"error setting signature algorithms\n");
1968 ERR_print_errors(bio_err);
1969 goto end;
1970 }
1971 }
1972 if (client_sigalgs)
1973 {
1974 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs))
1975 {
1976 BIO_printf(bio_err,"error setting client signature algorithms\n");
1977 ERR_print_errors(bio_err);
1978 goto end;
1979 }
1980 if(ctx2 && !SSL_CTX_set1_client_sigalgs_list(ctx2,client_sigalgs))
1981 {
1982 BIO_printf(bio_err,"error setting client signature algorithms\n");
1983 ERR_print_errors(bio_err);
1984 goto end;
1985 }
1986 }
1987 #endif
1988 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1989 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1990 sizeof s_server_session_id_context);
1991
1992 /* Set DTLS cookie generation and verification callbacks */
1993 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1994 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1995
1996 #ifndef OPENSSL_NO_TLSEXT
1997 if (ctx2)
1998 {
1999 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2000 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2001 sizeof s_server_session_id_context);
2002
2003 tlsextcbp.biodebug = bio_s_out;
2004 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2005 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2006 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2007 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2008 }
2009 #endif
2010
2011 #ifndef OPENSSL_NO_SRP
2012 if (srp_verifier_file != NULL)
2013 {
2014 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2015 srp_callback_parm.user = NULL;
2016 srp_callback_parm.login = NULL;
2017 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2018 {
2019 BIO_printf(bio_err,
2020 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2021 srp_verifier_file, ret);
2022 goto end;
2023 }
2024 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2025 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2026 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2027 }
2028 else
2029 #endif
2030 if (CAfile != NULL)
2031 {
2032 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2033 #ifndef OPENSSL_NO_TLSEXT
2034 if (ctx2)
2035 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2036 #endif
2037 }
2038
2039 BIO_printf(bio_s_out,"ACCEPT\n");
2040 (void)BIO_flush(bio_s_out);
2041 if (www)
2042 do_server(port,socket_type,&accept_socket,www_body, context);
2043 else
2044 do_server(port,socket_type,&accept_socket,sv_body, context);
2045 print_stats(bio_s_out,ctx);
2046 ret=0;
2047 end:
2048 if (ctx != NULL) SSL_CTX_free(ctx);
2049 if (s_cert)
2050 X509_free(s_cert);
2051 if (s_dcert)
2052 X509_free(s_dcert);
2053 if (s_key)
2054 EVP_PKEY_free(s_key);
2055 if (s_dkey)
2056 EVP_PKEY_free(s_dkey);
2057 if (pass)
2058 OPENSSL_free(pass);
2059 if (dpass)
2060 OPENSSL_free(dpass);
2061 free_sessions();
2062 #ifndef OPENSSL_NO_TLSEXT
2063 if (ctx2 != NULL) SSL_CTX_free(ctx2);
2064 if (s_cert2)
2065 X509_free(s_cert2);
2066 if (s_key2)
2067 EVP_PKEY_free(s_key2);
2068 if (authz_in != NULL)
2069 BIO_free(authz_in);
2070 #endif
2071 ssl_excert_free(exc);
2072 if (bio_s_out != NULL)
2073 {
2074 BIO_free(bio_s_out);
2075 bio_s_out=NULL;
2076 }
2077 if (bio_s_msg != NULL)
2078 {
2079 BIO_free(bio_s_msg);
2080 bio_s_msg = NULL;
2081 }
2082 apps_shutdown();
2083 OPENSSL_EXIT(ret);
2084 }
2085
2086 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2087 {
2088 BIO_printf(bio,"%4ld items in the session cache\n",
2089 SSL_CTX_sess_number(ssl_ctx));
2090 BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2091 SSL_CTX_sess_connect(ssl_ctx));
2092 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2093 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2094 BIO_printf(bio,"%4ld client connects that finished\n",
2095 SSL_CTX_sess_connect_good(ssl_ctx));
2096 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2097 SSL_CTX_sess_accept(ssl_ctx));
2098 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2099 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2100 BIO_printf(bio,"%4ld server accepts that finished\n",
2101 SSL_CTX_sess_accept_good(ssl_ctx));
2102 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2103 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2104 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2105 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2106 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2107 SSL_CTX_sess_cache_full(ssl_ctx),
2108 SSL_CTX_sess_get_cache_size(ssl_ctx));
2109 }
2110
2111 static int sv_body(char *hostname, int s, unsigned char *context)
2112 {
2113 char *buf=NULL;
2114 fd_set readfds;
2115 int ret=1,width;
2116 int k,i;
2117 unsigned long l;
2118 SSL *con=NULL;
2119 BIO *sbio;
2120 #ifndef OPENSSL_NO_KRB5
2121 KSSL_CTX *kctx;
2122 #endif
2123 struct timeval timeout;
2124 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2125 struct timeval tv;
2126 #else
2127 struct timeval *timeoutp;
2128 #endif
2129
2130 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2131 {
2132 BIO_printf(bio_err,"out of memory\n");
2133 goto err;
2134 }
2135 #ifdef FIONBIO
2136 if (s_nbio)
2137 {
2138 unsigned long sl=1;
2139
2140 if (!s_quiet)
2141 BIO_printf(bio_err,"turning on non blocking io\n");
2142 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2143 ERR_print_errors(bio_err);
2144 }
2145 #endif
2146
2147 if (con == NULL) {
2148 con=SSL_new(ctx);
2149 #ifndef OPENSSL_NO_TLSEXT
2150 if (s_tlsextdebug)
2151 {
2152 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2153 SSL_set_tlsext_debug_arg(con, bio_s_out);
2154 }
2155 if (s_tlsextstatus)
2156 {
2157 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2158 tlscstatp.err = bio_err;
2159 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2160 }
2161 #endif
2162 #ifndef OPENSSL_NO_KRB5
2163 if ((kctx = kssl_ctx_new()) != NULL)
2164 {
2165 SSL_set0_kssl_ctx(con, kctx);
2166 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2167 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2168 }
2169 #endif /* OPENSSL_NO_KRB5 */
2170 if(context)
2171 SSL_set_session_id_context(con, context,
2172 strlen((char *)context));
2173 }
2174 SSL_clear(con);
2175 #if 0
2176 #ifdef TLSEXT_TYPE_opaque_prf_input
2177 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2178 #endif
2179 #endif
2180
2181 if (SSL_version(con) == DTLS1_VERSION)
2182 {
2183
2184 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2185
2186 if (enable_timeouts)
2187 {
2188 timeout.tv_sec = 0;
2189 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2190 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2191
2192 timeout.tv_sec = 0;
2193 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2194 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2195 }
2196
2197 if (socket_mtu > 28)
2198 {
2199 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2200 SSL_set_mtu(con, socket_mtu - 28);
2201 }
2202 else
2203 /* want to do MTU discovery */
2204 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2205
2206 /* turn on cookie exchange */
2207 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2208 }
2209 else
2210 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2211
2212 if (s_nbio_test)
2213 {
2214 BIO *test;
2215
2216 test=BIO_new(BIO_f_nbio_test());
2217 sbio=BIO_push(test,sbio);
2218 }
2219 #ifndef OPENSSL_NO_JPAKE
2220 if(jpake_secret)
2221 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2222 #endif
2223
2224 SSL_set_bio(con,sbio,sbio);
2225 SSL_set_accept_state(con);
2226 /* SSL_set_fd(con,s); */
2227
2228 if (s_debug)
2229 {
2230 SSL_set_debug(con, 1);
2231 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2232 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2233 }
2234 if (s_msg)
2235 {
2236 #ifndef OPENSSL_NO_SSL_TRACE
2237 if (s_msg == 2)
2238 SSL_set_msg_callback(con, SSL_trace);
2239 else
2240 #endif
2241 SSL_set_msg_callback(con, msg_cb);
2242 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2243 }
2244 #ifndef OPENSSL_NO_TLSEXT
2245 if (s_tlsextdebug)
2246 {
2247 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2248 SSL_set_tlsext_debug_arg(con, bio_s_out);
2249 }
2250 #endif
2251
2252 width=s+1;
2253 for (;;)
2254 {
2255 int read_from_terminal;
2256 int read_from_sslcon;
2257
2258 read_from_terminal = 0;
2259 read_from_sslcon = SSL_pending(con);
2260
2261 if (!read_from_sslcon)
2262 {
2263 FD_ZERO(&readfds);
2264 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2265 openssl_fdset(fileno(stdin),&readfds);
2266 #endif
2267 openssl_fdset(s,&readfds);
2268 /* Note: under VMS with SOCKETSHR the second parameter is
2269 * currently of type (int *) whereas under other systems
2270 * it is (void *) if you don't have a cast it will choke
2271 * the compiler: if you do have a cast then you can either
2272 * go for (int *) or (void *).
2273 */
2274 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2275 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2276 * on sockets. As a workaround we timeout the select every
2277 * second and check for any keypress. In a proper Windows
2278 * application we wouldn't do this because it is inefficient.
2279 */
2280 tv.tv_sec = 1;
2281 tv.tv_usec = 0;
2282 i=select(width,(void *)&readfds,NULL,NULL,&tv);
2283 if((i < 0) || (!i && !_kbhit() ) )continue;
2284 if(_kbhit())
2285 read_from_terminal = 1;
2286 #elif defined(OPENSSL_SYS_BEOS_R5)
2287 /* Under BeOS-R5 the situation is similar to DOS */
2288 tv.tv_sec = 1;
2289 tv.tv_usec = 0;
2290 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2291 i=select(width,(void *)&readfds,NULL,NULL,&tv);
2292 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2293 continue;
2294 if (read(fileno(stdin), buf, 0) >= 0)
2295 read_from_terminal = 1;
2296 (void)fcntl(fileno(stdin), F_SETFL, 0);
2297 #else
2298 if ((SSL_version(con) == DTLS1_VERSION) &&
2299 DTLSv1_get_timeout(con, &timeout))
2300 timeoutp = &timeout;
2301 else
2302 timeoutp = NULL;
2303
2304 i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2305
2306 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2307 {
2308 BIO_printf(bio_err,"TIMEOUT occured\n");
2309 }
2310
2311 if (i <= 0) continue;
2312 if (FD_ISSET(fileno(stdin),&readfds))
2313 read_from_terminal = 1;
2314 #endif
2315 if (FD_ISSET(s,&readfds))
2316 read_from_sslcon = 1;
2317 }
2318 if (read_from_terminal)
2319 {
2320 if (s_crlf)
2321 {
2322 int j, lf_num;
2323
2324 i=raw_read_stdin(buf, bufsize/2);
2325 lf_num = 0;
2326 /* both loops are skipped when i <= 0 */
2327 for (j = 0; j < i; j++)
2328 if (buf[j] == '\n')
2329 lf_num++;
2330 for (j = i-1; j >= 0; j--)
2331 {
2332 buf[j+lf_num] = buf[j];
2333 if (buf[j] == '\n')
2334 {
2335 lf_num--;
2336 i++;
2337 buf[j+lf_num] = '\r';
2338 }
2339 }
2340 assert(lf_num == 0);
2341 }
2342 else
2343 i=raw_read_stdin(buf,bufsize);
2344 if (!s_quiet)
2345 {
2346 if ((i <= 0) || (buf[0] == 'Q'))
2347 {
2348 BIO_printf(bio_s_out,"DONE\n");
2349 SHUTDOWN(s);
2350 close_accept_socket();
2351 ret= -11;
2352 goto err;
2353 }
2354 if ((i <= 0) || (buf[0] == 'q'))
2355 {
2356 BIO_printf(bio_s_out,"DONE\n");
2357 if (SSL_version(con) != DTLS1_VERSION)
2358 SHUTDOWN(s);
2359 /* close_accept_socket();
2360 ret= -11;*/
2361 goto err;
2362 }
2363
2364 #ifndef OPENSSL_NO_HEARTBEATS
2365 if ((buf[0] == 'B') &&
2366 ((buf[1] == '\n') || (buf[1] == '\r')))
2367 {
2368 BIO_printf(bio_err,"HEARTBEATING\n");
2369 SSL_heartbeat(con);
2370 i=0;
2371 continue;
2372 }
2373 #endif
2374 if ((buf[0] == 'r') &&
2375 ((buf[1] == '\n') || (buf[1] == '\r')))
2376 {
2377 SSL_renegotiate(con);
2378 i=SSL_do_handshake(con);
2379 printf("SSL_do_handshake -> %d\n",i);
2380 i=0; /*13; */
2381 continue;
2382 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2383 }
2384 if ((buf[0] == 'R') &&
2385 ((buf[1] == '\n') || (buf[1] == '\r')))
2386 {
2387 SSL_set_verify(con,
2388 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2389 SSL_renegotiate(con);
2390 i=SSL_do_handshake(con);
2391 printf("SSL_do_handshake -> %d\n",i);
2392 i=0; /* 13; */
2393 continue;
2394 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2395 }
2396 if (buf[0] == 'P')
2397 {
2398 static const char *str="Lets print some clear text\n";
2399 BIO_write(SSL_get_wbio(con),str,strlen(str));
2400 }
2401 if (buf[0] == 'S')
2402 {
2403 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2404 }
2405 }
2406 #ifdef CHARSET_EBCDIC
2407 ebcdic2ascii(buf,buf,i);
2408 #endif
2409 l=k=0;
2410 for (;;)
2411 {
2412 /* should do a select for the write */
2413 #ifdef RENEG
2414 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2415 #endif
2416 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2417 #ifndef OPENSSL_NO_SRP
2418 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2419 {
2420 BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2421 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2422 if (srp_callback_parm.user)
2423 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2424 else
2425 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2426 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2427 }
2428 #endif
2429 switch (SSL_get_error(con,k))
2430 {
2431 case SSL_ERROR_NONE:
2432 break;
2433 case SSL_ERROR_WANT_WRITE:
2434 case SSL_ERROR_WANT_READ:
2435 case SSL_ERROR_WANT_X509_LOOKUP:
2436 BIO_printf(bio_s_out,"Write BLOCK\n");
2437 break;
2438 case SSL_ERROR_SYSCALL:
2439 case SSL_ERROR_SSL:
2440 BIO_printf(bio_s_out,"ERROR\n");
2441 ERR_print_errors(bio_err);
2442 ret=1;
2443 goto err;
2444 /* break; */
2445 case SSL_ERROR_ZERO_RETURN:
2446 BIO_printf(bio_s_out,"DONE\n");
2447 ret=1;
2448 goto err;
2449 }
2450 l+=k;
2451 i-=k;
2452 if (i <= 0) break;
2453 }
2454 }
2455 if (read_from_sslcon)
2456 {
2457 if (!SSL_is_init_finished(con))
2458 {
2459 i=init_ssl_connection(con);
2460
2461 if (i < 0)
2462 {
2463 ret=0;
2464 goto err;
2465 }
2466 else if (i == 0)
2467 {
2468 ret=1;
2469 goto err;
2470 }
2471 }
2472 else
2473 {
2474 again:
2475 i=SSL_read(con,(char *)buf,bufsize);
2476 #ifndef OPENSSL_NO_SRP
2477 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2478 {
2479 BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2480 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2481 if (srp_callback_parm.user)
2482 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2483 else
2484 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2485 i=SSL_read(con,(char *)buf,bufsize);
2486 }
2487 #endif
2488 switch (SSL_get_error(con,i))
2489 {
2490 case SSL_ERROR_NONE:
2491 #ifdef CHARSET_EBCDIC
2492 ascii2ebcdic(buf,buf,i);
2493 #endif
2494 raw_write_stdout(buf,
2495 (unsigned int)i);
2496 if (SSL_pending(con)) goto again;
2497 break;
2498 case SSL_ERROR_WANT_WRITE:
2499 case SSL_ERROR_WANT_READ:
2500 BIO_printf(bio_s_out,"Read BLOCK\n");
2501 break;
2502 case SSL_ERROR_SYSCALL:
2503 case SSL_ERROR_SSL:
2504 BIO_printf(bio_s_out,"ERROR\n");
2505 ERR_print_errors(bio_err);
2506 ret=1;
2507 goto err;
2508 case SSL_ERROR_ZERO_RETURN:
2509 BIO_printf(bio_s_out,"DONE\n");
2510 ret=1;
2511 goto err;
2512 }
2513 }
2514 }
2515 }
2516 err:
2517 if (con != NULL)
2518 {
2519 BIO_printf(bio_s_out,"shutting down SSL\n");
2520 #if 1
2521 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2522 #else
2523 SSL_shutdown(con);
2524 #endif
2525 SSL_free(con);
2526 }
2527 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2528 if (buf != NULL)
2529 {
2530 OPENSSL_cleanse(buf,bufsize);
2531 OPENSSL_free(buf);
2532 }
2533 if (ret >= 0)
2534 BIO_printf(bio_s_out,"ACCEPT\n");
2535 return(ret);
2536 }
2537
2538 static void close_accept_socket(void)
2539 {
2540 BIO_printf(bio_err,"shutdown accept socket\n");
2541 if (accept_socket >= 0)
2542 {
2543 SHUTDOWN2(accept_socket);
2544 }
2545 }
2546
2547 static int init_ssl_connection(SSL *con)
2548 {
2549 int i;
2550 const char *str;
2551 X509 *peer;
2552 long verify_error;
2553 MS_STATIC char buf[BUFSIZ];
2554 #ifndef OPENSSL_NO_KRB5
2555 char *client_princ;
2556 #endif
2557 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2558 const unsigned char *next_proto_neg;
2559 unsigned next_proto_neg_len;
2560 #endif
2561 unsigned char *exportedkeymat;
2562
2563
2564 i=SSL_accept(con);
2565 #ifndef OPENSSL_NO_SRP
2566 while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2567 {
2568 BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2569 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2570 if (srp_callback_parm.user)
2571 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2572 else
2573 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2574 i=SSL_accept(con);
2575 }
2576 #endif
2577 if (i <= 0)
2578 {
2579 if (BIO_sock_should_retry(i))
2580 {
2581 BIO_printf(bio_s_out,"DELAY\n");
2582 return(1);
2583 }
2584
2585 BIO_printf(bio_err,"ERROR\n");
2586 verify_error=SSL_get_verify_result(con);
2587 if (verify_error != X509_V_OK)
2588 {
2589 BIO_printf(bio_err,"verify error:%s\n",
2590 X509_verify_cert_error_string(verify_error));
2591 }
2592 else
2593 ERR_print_errors(bio_err);
2594 return(0);
2595 }
2596
2597 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2598
2599 peer=SSL_get_peer_certificate(con);
2600 if (peer != NULL)
2601 {
2602 BIO_printf(bio_s_out,"Client certificate\n");
2603 PEM_write_bio_X509(bio_s_out,peer);
2604 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2605 BIO_printf(bio_s_out,"subject=%s\n",buf);
2606 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2607 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2608 X509_free(peer);
2609 }
2610
2611 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2612 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2613 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2614 ssl_print_sigalgs(bio_s_out, con, 0);
2615 ssl_print_curves(bio_s_out, con);
2616 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2617
2618 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2619 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2620 if (next_proto_neg)
2621 {
2622 BIO_printf(bio_s_out,"NEXTPROTO is ");
2623 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2624 BIO_printf(bio_s_out, "\n");
2625 }
2626 #endif
2627 {
2628 SRTP_PROTECTION_PROFILE *srtp_profile
2629 = SSL_get_selected_srtp_profile(con);
2630
2631 if(srtp_profile)
2632 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2633 srtp_profile->name);
2634 }
2635 if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2636 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2637 TLS1_FLAGS_TLS_PADDING_BUG)
2638 BIO_printf(bio_s_out,
2639 "Peer has incorrect TLSv1 block padding\n");
2640 #ifndef OPENSSL_NO_KRB5
2641 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2642 if (client_princ != NULL)
2643 {
2644 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2645 client_princ);
2646 }
2647 #endif /* OPENSSL_NO_KRB5 */
2648 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2649 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2650 if (keymatexportlabel != NULL)
2651 {
2652 BIO_printf(bio_s_out, "Keying material exporter:\n");
2653 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2654 BIO_printf(bio_s_out, " Length: %i bytes\n",
2655 keymatexportlen);
2656 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2657 if (exportedkeymat != NULL)
2658 {
2659 if (!SSL_export_keying_material(con, exportedkeymat,
2660 keymatexportlen,
2661 keymatexportlabel,
2662 strlen(keymatexportlabel),
2663 NULL, 0, 0))
2664 {
2665 BIO_printf(bio_s_out, " Error\n");
2666 }
2667 else
2668 {
2669 BIO_printf(bio_s_out, " Keying material: ");
2670 for (i=0; i<keymatexportlen; i++)
2671 BIO_printf(bio_s_out, "%02X",
2672 exportedkeymat[i]);
2673 BIO_printf(bio_s_out, "\n");
2674 }
2675 OPENSSL_free(exportedkeymat);
2676 }
2677 }
2678
2679 return(1);
2680 }
2681
2682 #ifndef OPENSSL_NO_DH
2683 static DH *load_dh_param(const char *dhfile)
2684 {
2685 DH *ret=NULL;
2686 BIO *bio;
2687
2688 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2689 goto err;
2690 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2691 err:
2692 if (bio != NULL) BIO_free(bio);
2693 return(ret);
2694 }
2695 #endif
2696
2697 #if 0
2698 static int load_CA(SSL_CTX *ctx, char *file)
2699 {
2700 FILE *in;
2701 X509 *x=NULL;
2702
2703 if ((in=fopen(file,"r")) == NULL)
2704 return(0);
2705
2706 for (;;)
2707 {
2708 if (PEM_read_X509(in,&x,NULL) == NULL)
2709 break;
2710 SSL_CTX_add_client_CA(ctx,x);
2711 }
2712 if (x != NULL) X509_free(x);
2713 fclose(in);
2714 return(1);
2715 }
2716 #endif
2717
2718 static int www_body(char *hostname, int s, unsigned char *context)
2719 {
2720 char *buf=NULL;
2721 int ret=1;
2722 int i,j,k,dot;
2723 SSL *con;
2724 const SSL_CIPHER *c;
2725 BIO *io,*ssl_bio,*sbio;
2726 #ifndef OPENSSL_NO_KRB5
2727 KSSL_CTX *kctx;
2728 #endif
2729
2730 buf=OPENSSL_malloc(bufsize);
2731 if (buf == NULL) return(0);
2732 io=BIO_new(BIO_f_buffer());
2733 ssl_bio=BIO_new(BIO_f_ssl());
2734 if ((io == NULL) || (ssl_bio == NULL)) goto err;
2735
2736 #ifdef FIONBIO
2737 if (s_nbio)
2738 {
2739 unsigned long sl=1;
2740
2741 if (!s_quiet)
2742 BIO_printf(bio_err,"turning on non blocking io\n");
2743 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2744 ERR_print_errors(bio_err);
2745 }
2746 #endif
2747
2748 /* lets make the output buffer a reasonable size */
2749 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2750
2751 if ((con=SSL_new(ctx)) == NULL) goto err;
2752 #ifndef OPENSSL_NO_TLSEXT
2753 if (s_tlsextdebug)
2754 {
2755 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2756 SSL_set_tlsext_debug_arg(con, bio_s_out);
2757 }
2758 #endif
2759 #ifndef OPENSSL_NO_KRB5
2760 if ((kctx = kssl_ctx_new()) != NULL)
2761 {
2762 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2763 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2764 }
2765 #endif /* OPENSSL_NO_KRB5 */
2766 if(context) SSL_set_session_id_context(con, context,
2767 strlen((char *)context));
2768
2769 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2770 if (s_nbio_test)
2771 {
2772 BIO *test;
2773
2774 test=BIO_new(BIO_f_nbio_test());
2775 sbio=BIO_push(test,sbio);
2776 }
2777 SSL_set_bio(con,sbio,sbio);
2778 SSL_set_accept_state(con);
2779
2780 /* SSL_set_fd(con,s); */
2781 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2782 BIO_push(io,ssl_bio);
2783 #ifdef CHARSET_EBCDIC
2784 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2785 #endif
2786
2787 if (s_debug)
2788 {
2789 SSL_set_debug(con, 1);
2790 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2791 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2792 }
2793 if (s_msg)
2794 {
2795 #ifndef OPENSSL_NO_SSL_TRACE
2796 if (s_msg == 2)
2797 SSL_set_msg_callback(con, SSL_trace);
2798 else
2799 #endif
2800 SSL_set_msg_callback(con, msg_cb);
2801 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2802 }
2803
2804 for (;;)
2805 {
2806 if (hack)
2807 {
2808 i=SSL_accept(con);
2809 #ifndef OPENSSL_NO_SRP
2810 while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2811 {
2812 BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2813 srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2814 if (srp_callback_parm.user)
2815 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2816 else
2817 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2818 i=SSL_accept(con);
2819 }
2820 #endif
2821 switch (SSL_get_error(con,i))
2822 {
2823 case SSL_ERROR_NONE:
2824 break;
2825 case SSL_ERROR_WANT_WRITE:
2826 case SSL_ERROR_WANT_READ:
2827 case SSL_ERROR_WANT_X509_LOOKUP:
2828 continue;
2829 case SSL_ERROR_SYSCALL:
2830 case SSL_ERROR_SSL:
2831 case SSL_ERROR_ZERO_RETURN:
2832 ret=1;
2833 goto err;
2834 /* break; */
2835 }
2836
2837 SSL_renegotiate(con);
2838 SSL_write(con,NULL,0);
2839 }
2840
2841 i=BIO_gets(io,buf,bufsize-1);
2842 if (i < 0) /* error */
2843 {
2844 if (!BIO_should_retry(io))
2845 {
2846 if (!s_quiet)
2847 ERR_print_errors(bio_err);
2848 goto err;
2849 }
2850 else
2851 {
2852 BIO_printf(bio_s_out,"read R BLOCK\n");
2853 #if defined(OPENSSL_SYS_NETWARE)
2854 delay(1000);
2855 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2856 sleep(1);
2857 #endif
2858 continue;
2859 }
2860 }
2861 else if (i == 0) /* end of input */
2862 {
2863 ret=1;
2864 goto end;
2865 }
2866
2867 /* else we have data */
2868 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2869 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2870 {
2871 char *p;
2872 X509 *peer;
2873 STACK_OF(SSL_CIPHER) *sk;
2874 static const char *space=" ";
2875
2876 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2877 {
2878 if (strncmp("GET /renegcert", buf, 14) == 0)
2879 SSL_set_verify(con,
2880 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2881 i=SSL_renegotiate(con);
2882 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2883 i=SSL_do_handshake(con);
2884 if (i <= 0)
2885 {
2886 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2887 ERR_print_errors(bio_err);
2888 goto err;
2889 }
2890 /* EVIL HACK! */
2891 SSL_set_state(con, SSL_ST_ACCEPT);
2892 i=SSL_do_handshake(con);
2893 BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2894 if (i <= 0)
2895 {
2896 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2897 ERR_print_errors(bio_err);
2898 goto err;
2899 }
2900 }
2901
2902 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2903 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2904 BIO_puts(io,"<pre>\n");
2905 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2906 BIO_puts(io,"\n");
2907 for (i=0; i<local_argc; i++)
2908 {
2909 BIO_puts(io,local_argv[i]);
2910 BIO_write(io," ",1);
2911 }
2912 BIO_puts(io,"\n");
2913
2914 BIO_printf(io,
2915 "Secure Renegotiation IS%s supported\n",
2916 SSL_get_secure_renegotiation_support(con) ?
2917 "" : " NOT");
2918
2919 /* The following is evil and should not really
2920 * be done */
2921 BIO_printf(io,"Ciphers supported in s_server binary\n");
2922 sk=SSL_get_ciphers(con);
2923 j=sk_SSL_CIPHER_num(sk);
2924 for (i=0; i<j; i++)
2925 {
2926 c=sk_SSL_CIPHER_value(sk,i);
2927 BIO_printf(io,"%-11s:%-25s",
2928 SSL_CIPHER_get_version(c),
2929 SSL_CIPHER_get_name(c));
2930 if ((((i+1)%2) == 0) && (i+1 != j))
2931 BIO_puts(io,"\n");
2932 }
2933 BIO_puts(io,"\n");
2934 p=SSL_get_shared_ciphers(con,buf,bufsize);
2935 if (p != NULL)
2936 {
2937 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2938 j=i=0;
2939 while (*p)
2940 {
2941 if (*p == ':')
2942 {
2943 BIO_write(io,space,26-j);
2944 i++;
2945 j=0;
2946 BIO_write(io,((i%3)?" ":"\n"),1);
2947 }
2948 else
2949 {
2950 BIO_write(io,p,1);
2951 j++;
2952 }
2953 p++;
2954 }
2955 BIO_puts(io,"\n");
2956 }
2957 ssl_print_sigalgs(io, con, 0);
2958 ssl_print_curves(io, con);
2959 BIO_printf(io,(SSL_cache_hit(con)
2960 ?"---\nReused, "
2961 :"---\nNew, "));
2962 c=SSL_get_current_cipher(con);
2963 BIO_printf(io,"%s, Cipher is %s\n",
2964 SSL_CIPHER_get_version(c),
2965 SSL_CIPHER_get_name(c));
2966 SSL_SESSION_print(io,SSL_get_session(con));
2967 BIO_printf(io,"---\n");
2968 print_stats(io,SSL_get_SSL_CTX(con));
2969 BIO_printf(io,"---\n");
2970 peer=SSL_get_peer_certificate(con);
2971 if (peer != NULL)
2972 {
2973 BIO_printf(io,"Client certificate\n");
2974 X509_print(io,peer);
2975 PEM_write_bio_X509(io,peer);
2976 }
2977 else
2978 BIO_puts(io,"no client certificate available\n");
2979 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2980 break;
2981 }
2982 else if ((www == 2 || www == 3)
2983 && (strncmp("GET /",buf,5) == 0))
2984 {
2985 BIO *file;
2986 char *p,*e;
2987 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2988
2989 /* skip the '/' */
2990 p= &(buf[5]);
2991
2992 dot = 1;
2993 for (e=p; *e != '\0'; e++)
2994 {
2995 if (e[0] == ' ')
2996 break;
2997
2998 switch (dot)
2999 {
3000 case 1:
3001 dot = (e[0] == '.') ? 2 : 0;
3002 break;
3003 case 2:
3004 dot = (e[0] == '.') ? 3 : 0;
3005 break;
3006 case 3:
3007 dot = (e[0] == '/') ? -1 : 0;
3008 break;
3009 }
3010 if (dot == 0)
3011 dot = (e[0] == '/') ? 1 : 0;
3012 }
3013 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3014
3015 if (*e == '\0')
3016 {
3017 BIO_puts(io,text);
3018 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3019 break;
3020 }
3021 *e='\0';
3022
3023 if (dot)
3024 {
3025 BIO_puts(io,text);
3026 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3027 break;
3028 }
3029
3030 if (*p == '/')
3031 {
3032 BIO_puts(io,text);
3033 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3034 break;
3035 }
3036
3037 #if 0
3038 /* append if a directory lookup */
3039 if (e[-1] == '/')
3040 strcat(p,"index.html");
3041 #endif
3042
3043 /* if a directory, do the index thang */
3044 if (app_isdir(p)>0)
3045 {
3046 #if 0 /* must check buffer size */
3047 strcat(p,"/index.html");
3048 #else
3049 BIO_puts(io,text);
3050 BIO_printf(io,"'%s' is a directory\r\n",p);
3051 break;
3052 #endif
3053 }
3054
3055 if ((file=BIO_new_file(p,"r")) == NULL)
3056 {
3057 BIO_puts(io,text);
3058 BIO_printf(io,"Error opening '%s'\r\n",p);
3059 ERR_print_errors(io);
3060 break;
3061 }
3062
3063 if (!s_quiet)
3064 BIO_printf(bio_err,"FILE:%s\n",p);
3065
3066 if (www == 2)
3067 {
3068 i=strlen(p);
3069 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3070 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3071 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3072 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3073 else
3074 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3075 }
3076 /* send the file */
3077 for (;;)
3078 {
3079 i=BIO_read(file,buf,bufsize);
3080 if (i <= 0) break;
3081
3082 #ifdef RENEG
3083 total_bytes+=i;
3084 fprintf(stderr,"%d\n",i);
3085 if (total_bytes > 3*1024)
3086 {
3087 total_bytes=0;
3088 fprintf(stderr,"RENEGOTIATE\n");
3089 SSL_renegotiate(con);
3090 }
3091 #endif
3092
3093 for (j=0; j<i; )
3094 {
3095 #ifdef RENEG
3096 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3097 #endif
3098 k=BIO_write(io,&(buf[j]),i-j);
3099 if (k <= 0)
3100 {
3101 if (!BIO_should_retry(io))
3102 goto write_error;
3103 else
3104 {
3105 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3106 }
3107 }
3108 else
3109 {
3110 j+=k;
3111 }
3112 }
3113 }
3114 write_error:
3115 BIO_free(file);
3116 break;
3117 }
3118 }
3119
3120 for (;;)
3121 {
3122 i=(int)BIO_flush(io);
3123 if (i <= 0)
3124 {
3125 if (!BIO_should_retry(io))
3126 break;
3127 }
3128 else
3129 break;
3130 }
3131 end:
3132 #if 1
3133 /* make sure we re-use sessions */
3134 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3135 #else
3136 /* This kills performance */
3137 /* SSL_shutdown(con); A shutdown gets sent in the
3138 * BIO_free_all(io) procession */
3139 #endif
3140
3141 err:
3142
3143 if (ret >= 0)
3144 BIO_printf(bio_s_out,"ACCEPT\n");
3145
3146 if (buf != NULL) OPENSSL_free(buf);
3147 if (io != NULL) BIO_free_all(io);
3148 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3149 return(ret);
3150 }
3151
3152 #ifndef OPENSSL_NO_RSA
3153 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3154 {
3155 BIGNUM *bn = NULL;
3156 static RSA *rsa_tmp=NULL;
3157
3158 if (!rsa_tmp && ((bn = BN_new()) == NULL))
3159 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3160 if (!rsa_tmp && bn)
3161 {
3162 if (!s_quiet)
3163 {
3164 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3165 (void)BIO_flush(bio_err);
3166 }
3167 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3168 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3169 {
3170 if(rsa_tmp) RSA_free(rsa_tmp);
3171 rsa_tmp = NULL;
3172 }
3173 if (!s_quiet)
3174 {
3175 BIO_printf(bio_err,"\n");
3176 (void)BIO_flush(bio_err);
3177 }
3178 BN_free(bn);
3179 }
3180 return(rsa_tmp);
3181 }
3182 #endif
3183
3184 #define MAX_SESSION_ID_ATTEMPTS 10
3185 static int generate_session_id(const SSL *ssl, unsigned char *id,
3186 unsigned int *id_len)
3187 {
3188 unsigned int count = 0;
3189 do {
3190 RAND_pseudo_bytes(id, *id_len);
3191 /* Prefix the session_id with the required prefix. NB: If our
3192 * prefix is too long, clip it - but there will be worse effects
3193 * anyway, eg. the server could only possibly create 1 session
3194 * ID (ie. the prefix!) so all future session negotiations will
3195 * fail due to conflicts. */
3196 memcpy(id, session_id_prefix,
3197 (strlen(session_id_prefix) < *id_len) ?
3198 strlen(session_id_prefix) : *id_len);
3199 }
3200 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3201 (++count < MAX_SESSION_ID_ATTEMPTS));
3202 if(count >= MAX_SESSION_ID_ATTEMPTS)
3203 return 0;
3204 return 1;
3205 }
3206
3207 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3208 * structures without any serialisation. This hides some bugs which only
3209 * become apparent in deployed servers. By implementing a basic external
3210 * session cache some issues can be debugged using s_server.
3211 */
3212
3213 typedef struct simple_ssl_session_st
3214 {
3215 unsigned char *id;
3216 unsigned int idlen;
3217 unsigned char *der;
3218 int derlen;
3219 struct simple_ssl_session_st *next;
3220 } simple_ssl_session;
3221
3222 static simple_ssl_session *first = NULL;
3223
3224 static int add_session(SSL *ssl, SSL_SESSION *session)
3225 {
3226 simple_ssl_session *sess;
3227 unsigned char *p;
3228
3229 sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3230
3231 SSL_SESSION_get_id(session, &sess->idlen);
3232 sess->derlen = i2d_SSL_SESSION(session, NULL);
3233
3234 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3235
3236 sess->der = OPENSSL_malloc(sess->derlen);
3237 p = sess->der;
3238 i2d_SSL_SESSION(session, &p);
3239
3240 sess->next = first;
3241 first = sess;
3242 BIO_printf(bio_err, "New session added to external cache\n");
3243 return 0;
3244 }
3245
3246 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3247 int *do_copy)
3248 {
3249 simple_ssl_session *sess;
3250 *do_copy = 0;
3251 for (sess = first; sess; sess = sess->next)
3252 {
3253 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3254 {
3255 const unsigned char *p = sess->der;
3256 BIO_printf(bio_err, "Lookup session: cache hit\n");
3257 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3258 }
3259 }
3260 BIO_printf(bio_err, "Lookup session: cache miss\n");
3261 return NULL;
3262 }
3263
3264 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3265 {
3266 simple_ssl_session *sess, *prev = NULL;
3267 const unsigned char *id;
3268 unsigned int idlen;
3269 id = SSL_SESSION_get_id(session, &idlen);
3270 for (sess = first; sess; sess = sess->next)
3271 {
3272 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3273 {
3274 if(prev)
3275 prev->next = sess->next;
3276 else
3277 first = sess->next;
3278 OPENSSL_free(sess->id);
3279 OPENSSL_free(sess->der);
3280 OPENSSL_free(sess);
3281 return;
3282 }
3283 prev = sess;
3284 }
3285 }
3286
3287 static void init_session_cache_ctx(SSL_CTX *sctx)
3288 {
3289 SSL_CTX_set_session_cache_mode(sctx,
3290 SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3291 SSL_CTX_sess_set_new_cb(sctx, add_session);
3292 SSL_CTX_sess_set_get_cb(sctx, get_session);
3293 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3294 }
3295
3296 static void free_sessions(void)
3297 {
3298 simple_ssl_session *sess, *tsess;
3299 for (sess = first; sess;)
3300 {
3301 OPENSSL_free(sess->id);
3302 OPENSSL_free(sess->der);
3303 tsess = sess;
3304 sess = sess->next;
3305 OPENSSL_free(tsess);
3306 }
3307 first = NULL;
3308 }
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
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