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Server side version negotiation rewrite
[thirdparty/openssl.git] / apps / s_server.c
1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 */
57 /* ====================================================================
58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
59 *
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
62 * are met:
63 *
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
66 *
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
76 *
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
81 *
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
85 *
86 * 6. Redistributions of any form whatsoever must retain the following
87 * acknowledgment:
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
90 *
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
104 *
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
108 *
109 */
110 /* ====================================================================
111 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
112 * ECC cipher suite support in OpenSSL originally developed by
113 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
114 */
115 /* ====================================================================
116 * Copyright 2005 Nokia. All rights reserved.
117 *
118 * The portions of the attached software ("Contribution") is developed by
119 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
120 * license.
121 *
122 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
123 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
124 * support (see RFC 4279) to OpenSSL.
125 *
126 * No patent licenses or other rights except those expressly stated in
127 * the OpenSSL open source license shall be deemed granted or received
128 * expressly, by implication, estoppel, or otherwise.
129 *
130 * No assurances are provided by Nokia that the Contribution does not
131 * infringe the patent or other intellectual property rights of any third
132 * party or that the license provides you with all the necessary rights
133 * to make use of the Contribution.
134 *
135 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
136 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
137 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
138 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
139 * OTHERWISE.
140 */
141
142 #include <assert.h>
143 #include <ctype.h>
144 #include <stdio.h>
145 #include <stdlib.h>
146 #include <string.h>
147
148 #include <openssl/e_os2.h>
149
150 /* conflicts with winsock2 stuff on netware */
151 #if !defined(OPENSSL_SYS_NETWARE)
152 # include <sys/types.h>
153 #endif
154
155 /*
156 * With IPv6, it looks like Digital has mixed up the proper order of
157 * recursive header file inclusion, resulting in the compiler complaining
158 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
159 * needed to have fileno() declared correctly... So let's define u_int
160 */
161 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
162 # define __U_INT
163 typedef unsigned int u_int;
164 #endif
165
166 #include <openssl/lhash.h>
167 #include <openssl/bn.h>
168 #define USE_SOCKETS
169 #include "apps.h"
170 #include <openssl/err.h>
171 #include <openssl/pem.h>
172 #include <openssl/x509.h>
173 #include <openssl/ssl.h>
174 #include <openssl/rand.h>
175 #include <openssl/ocsp.h>
176 #ifndef OPENSSL_NO_DH
177 # include <openssl/dh.h>
178 #endif
179 #ifndef OPENSSL_NO_RSA
180 # include <openssl/rsa.h>
181 #endif
182 #ifndef OPENSSL_NO_SRP
183 # include <openssl/srp.h>
184 #endif
185 #include "s_apps.h"
186 #include "timeouts.h"
187
188 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
189 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
190 # undef FIONBIO
191 #endif
192
193 #ifndef OPENSSL_NO_RSA
194 static RSA *tmp_rsa_cb(SSL *s, int is_export, int keylength);
195 #endif
196 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
197 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
198 static int www_body(char *hostname, int s, int stype, unsigned char *context);
199 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
200 static void close_accept_socket(void);
201 static int init_ssl_connection(SSL *s);
202 static void print_stats(BIO *bp, SSL_CTX *ctx);
203 static int generate_session_id(const SSL *ssl, unsigned char *id,
204 unsigned int *id_len);
205 static void init_session_cache_ctx(SSL_CTX *sctx);
206 static void free_sessions(void);
207 #ifndef OPENSSL_NO_DH
208 static DH *load_dh_param(const char *dhfile);
209 #endif
210
211 static void s_server_init(void);
212
213 /* static int load_CA(SSL_CTX *ctx, char *file);*/
214
215 #undef BUFSIZZ
216 #define BUFSIZZ 16*1024
217 static int bufsize = BUFSIZZ;
218 static int accept_socket = -1;
219
220 #define TEST_CERT "server.pem"
221 #ifndef OPENSSL_NO_TLSEXT
222 # define TEST_CERT2 "server2.pem"
223 #endif
224
225 extern int verify_depth, verify_return_error, verify_quiet;
226
227 static int s_server_verify = SSL_VERIFY_NONE;
228 static int s_server_session_id_context = 1; /* anything will do */
229 static const char *s_cert_file = TEST_CERT, *s_key_file =
230 NULL, *s_chain_file = NULL;
231
232 #ifndef OPENSSL_NO_TLSEXT
233 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
234 #endif
235 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
236 #ifdef FIONBIO
237 static int s_nbio = 0;
238 #endif
239 static int s_nbio_test = 0;
240 int s_crlf = 0;
241 static SSL_CTX *ctx = NULL;
242 #ifndef OPENSSL_NO_TLSEXT
243 static SSL_CTX *ctx2 = NULL;
244 #endif
245 static int www = 0;
246
247 static BIO *bio_s_out = NULL;
248 static BIO *bio_s_msg = NULL;
249 static int s_debug = 0;
250 #ifndef OPENSSL_NO_TLSEXT
251 static int s_tlsextdebug = 0;
252 static int s_tlsextstatus = 0;
253 static int cert_status_cb(SSL *s, void *arg);
254 #endif
255 static int no_resume_ephemeral = 0;
256 static int s_msg = 0;
257 static int s_quiet = 0;
258 static int s_ign_eof = 0;
259 static int s_brief = 0;
260
261 static char *keymatexportlabel = NULL;
262 static int keymatexportlen = 20;
263
264 #ifndef OPENSSL_NO_ENGINE
265 static char *engine_id = NULL;
266 #endif
267 static const char *session_id_prefix = NULL;
268
269 static int enable_timeouts = 0;
270 static long socket_mtu;
271 #ifndef OPENSSL_NO_DTLS1
272 static int cert_chain = 0;
273 #endif
274
275 #ifndef OPENSSL_NO_TLSEXT
276 static BIO *serverinfo_in = NULL;
277 static const char *s_serverinfo_file = NULL;
278
279 #endif
280
281 #ifndef OPENSSL_NO_PSK
282 static char *psk_identity = "Client_identity";
283 char *psk_key = NULL; /* by default PSK is not used */
284
285 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
286 unsigned char *psk,
287 unsigned int max_psk_len)
288 {
289 unsigned int psk_len = 0;
290 int ret;
291 BIGNUM *bn = NULL;
292
293 if (s_debug)
294 BIO_printf(bio_s_out, "psk_server_cb\n");
295 if (!identity) {
296 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
297 goto out_err;
298 }
299 if (s_debug)
300 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
301 (int)strlen(identity), identity);
302
303 /* here we could lookup the given identity e.g. from a database */
304 if (strcmp(identity, psk_identity) != 0) {
305 BIO_printf(bio_s_out, "PSK error: client identity not found"
306 " (got '%s' expected '%s')\n", identity, psk_identity);
307 goto out_err;
308 }
309 if (s_debug)
310 BIO_printf(bio_s_out, "PSK client identity found\n");
311
312 /* convert the PSK key to binary */
313 ret = BN_hex2bn(&bn, psk_key);
314 if (!ret) {
315 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
316 psk_key);
317 BN_free(bn);
318 return 0;
319 }
320 if (BN_num_bytes(bn) > (int)max_psk_len) {
321 BIO_printf(bio_err,
322 "psk buffer of callback is too small (%d) for key (%d)\n",
323 max_psk_len, BN_num_bytes(bn));
324 BN_free(bn);
325 return 0;
326 }
327
328 ret = BN_bn2bin(bn, psk);
329 BN_free(bn);
330
331 if (ret < 0)
332 goto out_err;
333 psk_len = (unsigned int)ret;
334
335 if (s_debug)
336 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
337 return psk_len;
338 out_err:
339 if (s_debug)
340 BIO_printf(bio_err, "Error in PSK server callback\n");
341 (void)BIO_flush(bio_err);
342 (void)BIO_flush(bio_s_out);
343 return 0;
344 }
345 #endif
346
347 #ifndef OPENSSL_NO_SRP
348 /* This is a context that we pass to callbacks */
349 typedef struct srpsrvparm_st {
350 char *login;
351 SRP_VBASE *vb;
352 SRP_user_pwd *user;
353 } srpsrvparm;
354
355 /*
356 * This callback pretends to require some asynchronous logic in order to
357 * obtain a verifier. When the callback is called for a new connection we
358 * return with a negative value. This will provoke the accept etc to return
359 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
360 * (which would normally occur after a worker has finished) and we set the
361 * user parameters.
362 */
363 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
364 {
365 srpsrvparm *p = (srpsrvparm *) arg;
366 if (p->login == NULL && p->user == NULL) {
367 p->login = SSL_get_srp_username(s);
368 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
369 return (-1);
370 }
371
372 if (p->user == NULL) {
373 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
374 return SSL3_AL_FATAL;
375 }
376 if (SSL_set_srp_server_param
377 (s, p->user->N, p->user->g, p->user->s, p->user->v,
378 p->user->info) < 0) {
379 *ad = SSL_AD_INTERNAL_ERROR;
380 return SSL3_AL_FATAL;
381 }
382 BIO_printf(bio_err,
383 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
384 p->login, p->user->info);
385 /* need to check whether there are memory leaks */
386 p->user = NULL;
387 p->login = NULL;
388 return SSL_ERROR_NONE;
389 }
390
391 #endif
392
393 static void s_server_init(void)
394 {
395 accept_socket = -1;
396 verify_depth = 0;
397 s_server_verify = SSL_VERIFY_NONE;
398 s_dcert_file = NULL;
399 s_dkey_file = NULL;
400 s_dchain_file = NULL;
401 s_cert_file = TEST_CERT;
402 s_key_file = NULL;
403 s_chain_file = NULL;
404 #ifndef OPENSSL_NO_TLSEXT
405 s_cert_file2 = TEST_CERT2;
406 s_key_file2 = NULL;
407 ctx2 = NULL;
408 #endif
409 s_nbio = 0;
410 s_nbio_test = 0;
411 ctx = NULL;
412 www = 0;
413 bio_s_out = NULL;
414 s_debug = 0;
415 s_msg = 0;
416 s_quiet = 0;
417 s_brief = 0;
418 #ifndef OPENSSL_NO_ENGINE
419 engine_id = NULL;
420 #endif
421 }
422
423 static int local_argc = 0;
424 static char **local_argv;
425
426 #ifdef CHARSET_EBCDIC
427 static int ebcdic_new(BIO *bi);
428 static int ebcdic_free(BIO *a);
429 static int ebcdic_read(BIO *b, char *out, int outl);
430 static int ebcdic_write(BIO *b, const char *in, int inl);
431 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
432 static int ebcdic_gets(BIO *bp, char *buf, int size);
433 static int ebcdic_puts(BIO *bp, const char *str);
434
435 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
436 static BIO_METHOD methods_ebcdic = {
437 BIO_TYPE_EBCDIC_FILTER,
438 "EBCDIC/ASCII filter",
439 ebcdic_write,
440 ebcdic_read,
441 ebcdic_puts,
442 ebcdic_gets,
443 ebcdic_ctrl,
444 ebcdic_new,
445 ebcdic_free,
446 };
447
448 /* This struct is "unwarranted chumminess with the compiler." */
449 typedef struct {
450 size_t alloced;
451 char buff[1];
452 } EBCDIC_OUTBUFF;
453
454 BIO_METHOD *BIO_f_ebcdic_filter()
455 {
456 return (&methods_ebcdic);
457 }
458
459 static int ebcdic_new(BIO *bi)
460 {
461 EBCDIC_OUTBUFF *wbuf;
462
463 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
464 wbuf->alloced = 1024;
465 wbuf->buff[0] = '\0';
466
467 bi->ptr = (char *)wbuf;
468 bi->init = 1;
469 bi->flags = 0;
470 return (1);
471 }
472
473 static int ebcdic_free(BIO *a)
474 {
475 if (a == NULL)
476 return (0);
477 OPENSSL_free(a->ptr);
478 a->ptr = NULL;
479 a->init = 0;
480 a->flags = 0;
481 return (1);
482 }
483
484 static int ebcdic_read(BIO *b, char *out, int outl)
485 {
486 int ret = 0;
487
488 if (out == NULL || outl == 0)
489 return (0);
490 if (b->next_bio == NULL)
491 return (0);
492
493 ret = BIO_read(b->next_bio, out, outl);
494 if (ret > 0)
495 ascii2ebcdic(out, out, ret);
496 return (ret);
497 }
498
499 static int ebcdic_write(BIO *b, const char *in, int inl)
500 {
501 EBCDIC_OUTBUFF *wbuf;
502 int ret = 0;
503 int num;
504 unsigned char n;
505
506 if ((in == NULL) || (inl <= 0))
507 return (0);
508 if (b->next_bio == NULL)
509 return (0);
510
511 wbuf = (EBCDIC_OUTBUFF *) b->ptr;
512
513 if (inl > (num = wbuf->alloced)) {
514 num = num + num; /* double the size */
515 if (num < inl)
516 num = inl;
517 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
518 OPENSSL_free(b->ptr);
519
520 wbuf->alloced = num;
521 wbuf->buff[0] = '\0';
522
523 b->ptr = (char *)wbuf;
524 }
525
526 ebcdic2ascii(wbuf->buff, in, inl);
527
528 ret = BIO_write(b->next_bio, wbuf->buff, inl);
529
530 return (ret);
531 }
532
533 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
534 {
535 long ret;
536
537 if (b->next_bio == NULL)
538 return (0);
539 switch (cmd) {
540 case BIO_CTRL_DUP:
541 ret = 0L;
542 break;
543 default:
544 ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
545 break;
546 }
547 return (ret);
548 }
549
550 static int ebcdic_gets(BIO *bp, char *buf, int size)
551 {
552 int i, ret = 0;
553 if (bp->next_bio == NULL)
554 return (0);
555 /* return(BIO_gets(bp->next_bio,buf,size));*/
556 for (i = 0; i < size - 1; ++i) {
557 ret = ebcdic_read(bp, &buf[i], 1);
558 if (ret <= 0)
559 break;
560 else if (buf[i] == '\n') {
561 ++i;
562 break;
563 }
564 }
565 if (i < size)
566 buf[i] = '\0';
567 return (ret < 0 && i == 0) ? ret : i;
568 }
569
570 static int ebcdic_puts(BIO *bp, const char *str)
571 {
572 if (bp->next_bio == NULL)
573 return (0);
574 return ebcdic_write(bp, str, strlen(str));
575 }
576 #endif
577
578 #ifndef OPENSSL_NO_TLSEXT
579
580 /* This is a context that we pass to callbacks */
581 typedef struct tlsextctx_st {
582 char *servername;
583 BIO *biodebug;
584 int extension_error;
585 } tlsextctx;
586
587 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
588 {
589 tlsextctx *p = (tlsextctx *) arg;
590 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
591 if (servername && p->biodebug)
592 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
593 servername);
594
595 if (!p->servername)
596 return SSL_TLSEXT_ERR_NOACK;
597
598 if (servername) {
599 if (strcasecmp(servername, p->servername))
600 return p->extension_error;
601 if (ctx2) {
602 BIO_printf(p->biodebug, "Switching server context.\n");
603 SSL_set_SSL_CTX(s, ctx2);
604 }
605 }
606 return SSL_TLSEXT_ERR_OK;
607 }
608
609 /* Structure passed to cert status callback */
610
611 typedef struct tlsextstatusctx_st {
612 /* Default responder to use */
613 char *host, *path, *port;
614 int use_ssl;
615 int timeout;
616 int verbose;
617 } tlsextstatusctx;
618
619 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
620
621 /*
622 * Certificate Status callback. This is called when a client includes a
623 * certificate status request extension. This is a simplified version. It
624 * examines certificates each time and makes one OCSP responder query for
625 * each request. A full version would store details such as the OCSP
626 * certificate IDs and minimise the number of OCSP responses by caching them
627 * until they were considered "expired".
628 */
629
630 static int cert_status_cb(SSL *s, void *arg)
631 {
632 tlsextstatusctx *srctx = arg;
633 char *host = NULL, *port = NULL, *path = NULL;
634 int use_ssl;
635 unsigned char *rspder = NULL;
636 int rspderlen;
637 STACK_OF(OPENSSL_STRING) *aia = NULL;
638 X509 *x = NULL;
639 X509_STORE_CTX inctx;
640 X509_OBJECT obj;
641 OCSP_REQUEST *req = NULL;
642 OCSP_RESPONSE *resp = NULL;
643 OCSP_CERTID *id = NULL;
644 STACK_OF(X509_EXTENSION) *exts;
645 int ret = SSL_TLSEXT_ERR_NOACK;
646 int i;
647
648 if (srctx->verbose)
649 BIO_puts(bio_err, "cert_status: callback called\n");
650 /* Build up OCSP query from server certificate */
651 x = SSL_get_certificate(s);
652 aia = X509_get1_ocsp(x);
653 if (aia) {
654 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
655 &host, &port, &path, &use_ssl)) {
656 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
657 goto err;
658 }
659 if (srctx->verbose)
660 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
661 sk_OPENSSL_STRING_value(aia, 0));
662 } else {
663 if (!srctx->host) {
664 BIO_puts(bio_err,
665 "cert_status: no AIA and no default responder URL\n");
666 goto done;
667 }
668 host = srctx->host;
669 path = srctx->path;
670 port = srctx->port;
671 use_ssl = srctx->use_ssl;
672 }
673
674 if (!X509_STORE_CTX_init(&inctx,
675 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
676 NULL, NULL))
677 goto err;
678 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
679 X509_get_issuer_name(x), &obj) <= 0) {
680 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
681 X509_STORE_CTX_cleanup(&inctx);
682 goto done;
683 }
684 req = OCSP_REQUEST_new();
685 if (!req)
686 goto err;
687 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
688 X509_free(obj.data.x509);
689 X509_STORE_CTX_cleanup(&inctx);
690 if (!id)
691 goto err;
692 if (!OCSP_request_add0_id(req, id))
693 goto err;
694 id = NULL;
695 /* Add any extensions to the request */
696 SSL_get_tlsext_status_exts(s, &exts);
697 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
698 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
699 if (!OCSP_REQUEST_add_ext(req, ext, -1))
700 goto err;
701 }
702 resp = process_responder(req, host, path, port, use_ssl, NULL,
703 srctx->timeout);
704 if (!resp) {
705 BIO_puts(bio_err, "cert_status: error querying responder\n");
706 goto done;
707 }
708 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
709 if (rspderlen <= 0)
710 goto err;
711 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
712 if (srctx->verbose) {
713 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
714 OCSP_RESPONSE_print(bio_err, resp, 2);
715 }
716 ret = SSL_TLSEXT_ERR_OK;
717 done:
718 if (ret != SSL_TLSEXT_ERR_OK)
719 ERR_print_errors(bio_err);
720 if (aia) {
721 OPENSSL_free(host);
722 OPENSSL_free(path);
723 OPENSSL_free(port);
724 X509_email_free(aia);
725 }
726 OCSP_CERTID_free(id);
727 OCSP_REQUEST_free(req);
728 OCSP_RESPONSE_free(resp);
729 return ret;
730 err:
731 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
732 goto done;
733 }
734
735 # ifndef OPENSSL_NO_NEXTPROTONEG
736 /* This is the context that we pass to next_proto_cb */
737 typedef struct tlsextnextprotoctx_st {
738 unsigned char *data;
739 unsigned int len;
740 } tlsextnextprotoctx;
741
742 static int next_proto_cb(SSL *s, const unsigned char **data,
743 unsigned int *len, void *arg)
744 {
745 tlsextnextprotoctx *next_proto = arg;
746
747 *data = next_proto->data;
748 *len = next_proto->len;
749
750 return SSL_TLSEXT_ERR_OK;
751 }
752 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
753
754 /* This the context that we pass to alpn_cb */
755 typedef struct tlsextalpnctx_st {
756 unsigned char *data;
757 unsigned short len;
758 } tlsextalpnctx;
759
760 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
761 const unsigned char *in, unsigned int inlen, void *arg)
762 {
763 tlsextalpnctx *alpn_ctx = arg;
764
765 if (!s_quiet) {
766 /* We can assume that |in| is syntactically valid. */
767 unsigned i;
768 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
769 for (i = 0; i < inlen;) {
770 if (i)
771 BIO_write(bio_s_out, ", ", 2);
772 BIO_write(bio_s_out, &in[i + 1], in[i]);
773 i += in[i] + 1;
774 }
775 BIO_write(bio_s_out, "\n", 1);
776 }
777
778 if (SSL_select_next_proto
779 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
780 inlen) != OPENSSL_NPN_NEGOTIATED) {
781 return SSL_TLSEXT_ERR_NOACK;
782 }
783
784 if (!s_quiet) {
785 BIO_printf(bio_s_out, "ALPN protocols selected: ");
786 BIO_write(bio_s_out, *out, *outlen);
787 BIO_write(bio_s_out, "\n", 1);
788 }
789
790 return SSL_TLSEXT_ERR_OK;
791 }
792 #endif /* ndef OPENSSL_NO_TLSEXT */
793
794 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
795 {
796 /* disable resumption for sessions with forward secure ciphers */
797 return is_forward_secure;
798 }
799
800 static char *jpake_secret = NULL;
801 #ifndef OPENSSL_NO_SRP
802 static srpsrvparm srp_callback_parm;
803 #endif
804 #ifndef OPENSSL_NO_SRTP
805 static char *srtp_profiles = NULL;
806 #endif
807
808 typedef enum OPTION_choice {
809 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
810 OPT_ENGINE, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
811 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
812 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
813 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
814 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
815 OPT_CAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
816 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
817 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_CHAINCAFILE, OPT_VERIFYCAFILE,
818 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF, OPT_DEBUG,
819 OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE, OPT_STATUS_TIMEOUT,
820 OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE, OPT_SECURITY_DEBUG,
821 OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF, OPT_QUIET,
822 OPT_BRIEF, OPT_NO_TMP_RSA, OPT_NO_DHE, OPT_NO_ECDHE,
823 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
824 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP,
825 #ifndef OPENSSL_NO_SSL3
826 OPT_SSL3,
827 #endif
828 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
829 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_CHAIN,
830 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
831 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_JPAKE,
832 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
833 OPT_S_ENUM,
834 OPT_V_ENUM,
835 OPT_X_ENUM
836 } OPTION_CHOICE;
837
838 OPTIONS s_server_options[] = {
839 {"help", OPT_HELP, '-', "Display this summary"},
840
841 {"port", OPT_PORT, 'p'},
842 {"accept", OPT_PORT, 'p',
843 "TCP/IP port to accept on (default is " PORT_STR ")"},
844 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
845 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
846 {"context", OPT_CONTEXT, 's', "Set session ID context"},
847 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
848 {"Verify", OPT_UPPER_V_VERIFY, 'n',
849 "Turn on peer certificate verification, must have a cert"},
850 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
851 {"naccept", OPT_NACCEPT, 'p', "Terminate after pnum connections"},
852 #ifndef OPENSSL_NO_TLSEXT
853 {"serverinfo", OPT_SERVERINFO, 's',
854 "PEM serverinfo file for certificate"},
855 #endif
856 {"certform", OPT_CERTFORM, 'F',
857 "Certificate format (PEM or DER) PEM default"},
858 {"key", OPT_KEY, '<',
859 "Private Key if not in -cert; default is " TEST_CERT},
860 {"keyform", OPT_KEYFORM, 'f',
861 "Key format (PEM, DER or ENGINE) PEM default"},
862 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
863 {"dcert", OPT_DCERT, '<',
864 "Second certificate file to use (usually for DSA)"},
865 {"dcertform", OPT_DCERTFORM, 'F',
866 "Second certificate format (PEM or DER) PEM default"},
867 {"dkey", OPT_DKEY, '<',
868 "Second private key file to use (usually for DSA)"},
869 {"dkeyform", OPT_DKEYFORM, 'F',
870 "Second key format (PEM, DER or ENGINE) PEM default"},
871 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
872 #ifdef FIONBIO
873 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
874 #endif
875 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
876 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
877 {"debug", OPT_DEBUG, '-', "Print more output"},
878 {"msg", OPT_MSG, '-', "Show protocol messages"},
879 {"msgfile", OPT_MSGFILE, '>'},
880 {"state", OPT_STATE, '-', "Print the SSL states"},
881 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
882 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
883 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
884 {"quiet", OPT_QUIET, '-', "No server output"},
885 {"no_tmp_rsa", OPT_NO_TMP_RSA, '-', "Do not generate a tmp RSA key"},
886 #ifndef OPENSSL_NO_PSK
887 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
888 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
889 # ifndef OPENSSL_NO_JPAKE
890 {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
891 # endif
892 #endif
893 #ifndef OPENSSL_NO_SRP
894 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
895 {"srpuserseed", OPT_SRPUSERSEED, 's',
896 "A seed string for a default user salt"},
897 #endif
898 #ifndef OPENSSL_NO_SSL3
899 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
900 #endif
901 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
902 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
903 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
904 #ifndef OPENSSL_NO_DTLS1
905 {"dtls", OPT_DTLS, '-'},
906 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
907 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
908 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
909 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
910 {"chain", OPT_CHAIN, '-', "Read a certificate chain"},
911 #endif
912 #ifndef OPENSSL_NO_DH
913 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
914 #endif
915 #ifndef OPENSSL_NO_EC
916 {"no_ecdhe", OPT_NO_ECDHE, '-', "Disable ephemeral ECDH"},
917 #endif
918 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
919 "Disable caching and tickets if ephemeral (EC)DH is used"},
920 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
921 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
922 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path incluedes HTTP headers"},
923 {"id_prefix", OPT_ID_PREFIX, 's',
924 "Generate SSL/TLS session IDs prefixed by arg"},
925 {"rand", OPT_RAND, 's',
926 "Load the file(s) into the random number generator"},
927 #ifndef OPENSSL_NO_TLSEXT
928 {"servername", OPT_SERVERNAME, 's',
929 "Servername for HostName TLS extension"},
930 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
931 "mismatch send fatal alert (default warning alert)"},
932 {"cert2", OPT_CERT2, '<',
933 "Certificate file to use for servername; default is" TEST_CERT2},
934 {"key2", OPT_KEY2, '<',
935 "-Private Key file to use for servername if not in -cert2"},
936 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
937 "Hex dump of all TLS extensions received"},
938 # ifndef OPENSSL_NO_NEXTPROTONEG
939 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
940 "Set the advertised protocols for the NPN extension (comma-separated list)"},
941 # endif
942 {"use_srtp", OPT_SRTP_PROFILES, '<',
943 "Offer SRTP key management with a colon-separated profile list"},
944 {"alpn", OPT_ALPN, 's',
945 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
946 #endif
947 {"keymatexport", OPT_KEYMATEXPORT, 's',
948 "Export keying material using label"},
949 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
950 "Export len bytes of keying material (default 20)"},
951 {"CRL", OPT_CRL, '<'},
952 {"crl_download", OPT_CRL_DOWNLOAD, '-'},
953 {"cert_chain", OPT_CERT_CHAIN, '<'},
954 {"dcert_chain", OPT_DCERT_CHAIN, '<'},
955 {"chainCApath", OPT_CHAINCAPATH, '/'},
956 {"verifyCApath", OPT_VERIFYCAPATH, '/'},
957 {"no_cache", OPT_NO_CACHE, '-'},
958 {"ext_cache", OPT_EXT_CACHE, '-'},
959 {"CRLform", OPT_CRLFORM, 'F'},
960 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
961 {"verify_quiet", OPT_VERIFY_QUIET, '-'},
962 {"build_chain", OPT_BUILD_CHAIN, '-'},
963 {"chainCAfile", OPT_CHAINCAFILE, '<'},
964 {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
965 {"ign_eof", OPT_IGN_EOF, '-'},
966 {"no_ign_eof", OPT_NO_IGN_EOF, '-'},
967 {"status", OPT_STATUS, '-'},
968 {"status_verbose", OPT_STATUS_VERBOSE, '-'},
969 {"status_timeout", OPT_STATUS_TIMEOUT, 'n'},
970 {"status_url", OPT_STATUS_URL, 's'},
971 {"trace", OPT_TRACE, '-'},
972 {"security_debug", OPT_SECURITY_DEBUG, '-'},
973 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
974 {"brief", OPT_BRIEF, '-'},
975 {"rev", OPT_REV, '-'},
976 #ifndef OPENSSL_NO_ENGINE
977 {"engine", OPT_ENGINE, 's'},
978 #endif
979 OPT_S_OPTIONS,
980 OPT_V_OPTIONS,
981 OPT_X_OPTIONS,
982 {NULL}
983 };
984
985 int s_server_main(int argc, char *argv[])
986 {
987 ENGINE *e = NULL;
988 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
989 SSL_CONF_CTX *cctx = NULL;
990 const SSL_METHOD *meth = TLS_server_method();
991 SSL_EXCERT *exc = NULL;
992 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
993 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
994 STACK_OF(X509_CRL) *crls = NULL;
995 X509 *s_cert = NULL, *s_dcert = NULL;
996 X509_VERIFY_PARAM *vpm = NULL;
997 char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
998 char *dhfile = NULL, *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
999 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
1000 char *crl_file = NULL, *prog, *p;
1001 const char *unix_path = NULL;
1002 #ifndef NO_SYS_UN_H
1003 int unlink_unix_path = 0;
1004 #endif
1005 int (*server_cb) (char *hostname, int s, int stype,
1006 unsigned char *context);
1007 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1008 int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0, ret = 1;
1009 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1010 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1011 int rev = 0, naccept = -1, sdebug = 0, socket_type = SOCK_STREAM;
1012 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1013 unsigned short port = PORT;
1014 unsigned char *context = NULL;
1015 OPTION_CHOICE o;
1016 #ifndef OPENSSL_NO_TLSEXT
1017 EVP_PKEY *s_key2 = NULL;
1018 X509 *s_cert2 = NULL;
1019 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1020 # ifndef OPENSSL_NO_NEXTPROTONEG
1021 const char *next_proto_neg_in = NULL;
1022 tlsextnextprotoctx next_proto = { NULL, 0 };
1023 # endif
1024 const char *alpn_in = NULL;
1025 tlsextalpnctx alpn_ctx = { NULL, 0 };
1026 #endif
1027 #ifndef OPENSSL_NO_PSK
1028 /* by default do not send a PSK identity hint */
1029 static char *psk_identity_hint = NULL;
1030 #endif
1031 #ifndef OPENSSL_NO_SRP
1032 char *srpuserseed = NULL;
1033 char *srp_verifier_file = NULL;
1034 #endif
1035
1036 local_argc = argc;
1037 local_argv = argv;
1038
1039 s_server_init();
1040 cctx = SSL_CONF_CTX_new();
1041 vpm = X509_VERIFY_PARAM_new();
1042 if (cctx == NULL || vpm == NULL)
1043 goto end;
1044 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1045
1046 prog = opt_init(argc, argv, s_server_options);
1047 while ((o = opt_next()) != OPT_EOF) {
1048 switch (o) {
1049 case OPT_EOF:
1050 case OPT_ERR:
1051 opthelp:
1052 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1053 goto end;
1054 case OPT_HELP:
1055 opt_help(s_server_options);
1056 ret = 0;
1057 goto end;
1058
1059 case OPT_PORT:
1060 if (!extract_port(opt_arg(), &port))
1061 goto end;
1062 break;
1063 case OPT_UNIX:
1064 #ifdef NO_SYS_UN_H
1065 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1066 goto end;
1067 #else
1068 unix_path = opt_arg();
1069 #endif
1070 break;
1071 case OPT_UNLINK:
1072 #ifdef NO_SYS_UN_H
1073 BIO_printf(bio_err, "unix domain sockets unsupported\n");
1074 goto end;
1075 #else
1076 unlink_unix_path = 1;
1077 #endif
1078 break;
1079 case OPT_NACCEPT:
1080 naccept = atol(opt_arg());
1081 break;
1082 case OPT_VERIFY:
1083 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1084 verify_depth = atoi(opt_arg());
1085 if (!s_quiet)
1086 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1087 break;
1088 case OPT_UPPER_V_VERIFY:
1089 s_server_verify =
1090 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1091 SSL_VERIFY_CLIENT_ONCE;
1092 verify_depth = atoi(opt_arg());
1093 if (!s_quiet)
1094 BIO_printf(bio_err,
1095 "verify depth is %d, must return a certificate\n",
1096 verify_depth);
1097 break;
1098 case OPT_CONTEXT:
1099 context = (unsigned char *)opt_arg();
1100 break;
1101 case OPT_CERT:
1102 s_cert_file = opt_arg();
1103 break;
1104 case OPT_CRL:
1105 crl_file = opt_arg();
1106 break;
1107 case OPT_CRL_DOWNLOAD:
1108 crl_download = 1;
1109 break;
1110 #ifndef OPENSSL_NO_TLSEXT
1111 case OPT_SERVERINFO:
1112 s_serverinfo_file = opt_arg();
1113 break;
1114 #endif
1115 case OPT_CERTFORM:
1116 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1117 goto opthelp;
1118 break;
1119 case OPT_KEY:
1120 s_key_file = opt_arg();
1121 break;
1122 case OPT_KEYFORM:
1123 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1124 goto opthelp;
1125 break;
1126 case OPT_PASS:
1127 passarg = opt_arg();
1128 break;
1129 case OPT_CERT_CHAIN:
1130 s_chain_file = opt_arg();
1131 break;
1132 case OPT_DHPARAM:
1133 dhfile = opt_arg();
1134 break;
1135 case OPT_DCERTFORM:
1136 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1137 goto opthelp;
1138 break;
1139 case OPT_DCERT:
1140 s_dcert_file = opt_arg();
1141 break;
1142 case OPT_DKEYFORM:
1143 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1144 goto opthelp;
1145 break;
1146 case OPT_DPASS:
1147 dpassarg = opt_arg();
1148 break;
1149 case OPT_DKEY:
1150 s_dkey_file = opt_arg();
1151 break;
1152 case OPT_DCERT_CHAIN:
1153 s_dchain_file = opt_arg();
1154 break;
1155 case OPT_NOCERT:
1156 nocert = 1;
1157 break;
1158 case OPT_CAPATH:
1159 CApath = opt_arg();
1160 break;
1161 case OPT_CHAINCAPATH:
1162 chCApath = opt_arg();
1163 break;
1164 case OPT_VERIFYCAPATH:
1165 vfyCApath = opt_arg();
1166 break;
1167 case OPT_NO_CACHE:
1168 no_cache = 1;
1169 break;
1170 case OPT_EXT_CACHE:
1171 ext_cache = 1;
1172 break;
1173 case OPT_CRLFORM:
1174 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1175 goto opthelp;
1176 break;
1177 case OPT_S_CASES:
1178 if (ssl_args == NULL)
1179 ssl_args = sk_OPENSSL_STRING_new_null();
1180 if (ssl_args == NULL
1181 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1182 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1183 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1184 goto end;
1185 }
1186 break;
1187 case OPT_V_CASES:
1188 if (!opt_verify(o, vpm))
1189 goto end;
1190 vpmtouched++;
1191 break;
1192 case OPT_X_CASES:
1193 if (!args_excert(o, &exc))
1194 goto end;
1195 break;
1196 case OPT_VERIFY_RET_ERROR:
1197 verify_return_error = 1;
1198 break;
1199 case OPT_VERIFY_QUIET:
1200 verify_quiet = 1;
1201 break;
1202 case OPT_BUILD_CHAIN:
1203 build_chain = 1;
1204 break;
1205 case OPT_CAFILE:
1206 CAfile = opt_arg();
1207 break;
1208 case OPT_CHAINCAFILE:
1209 chCAfile = opt_arg();
1210 break;
1211 case OPT_VERIFYCAFILE:
1212 vfyCAfile = opt_arg();
1213 break;
1214 case OPT_NBIO:
1215 s_nbio = 1;
1216 break;
1217 case OPT_NBIO_TEST:
1218 s_nbio = s_nbio_test = 1;
1219 break;
1220 case OPT_IGN_EOF:
1221 s_ign_eof = 1;
1222 break;
1223 case OPT_NO_IGN_EOF:
1224 s_ign_eof = 0;
1225 break;
1226 case OPT_DEBUG:
1227 s_debug = 1;
1228 break;
1229 #ifndef OPENSSL_NO_TLSEXT
1230 case OPT_TLSEXTDEBUG:
1231 s_tlsextdebug = 1;
1232 break;
1233 case OPT_STATUS:
1234 s_tlsextstatus = 1;
1235 break;
1236 case OPT_STATUS_VERBOSE:
1237 s_tlsextstatus = tlscstatp.verbose = 1;
1238 break;
1239 case OPT_STATUS_TIMEOUT:
1240 s_tlsextstatus = 1;
1241 tlscstatp.timeout = atoi(opt_arg());
1242 break;
1243 case OPT_STATUS_URL:
1244 s_tlsextstatus = 1;
1245 if (!OCSP_parse_url(opt_arg(),
1246 &tlscstatp.host,
1247 &tlscstatp.port,
1248 &tlscstatp.path, &tlscstatp.use_ssl)) {
1249 BIO_printf(bio_err, "Error parsing URL\n");
1250 goto end;
1251 }
1252 break;
1253 #endif
1254 case OPT_MSG:
1255 s_msg = 1;
1256 break;
1257 case OPT_MSGFILE:
1258 bio_s_msg = BIO_new_file(opt_arg(), "w");
1259 break;
1260 #ifndef OPENSSL_NO_SSL_TRACE
1261 case OPT_TRACE:
1262 s_msg = 2;
1263 break;
1264 #else
1265 case OPT_TRACE:
1266 goto opthelp;
1267 #endif
1268 case OPT_SECURITY_DEBUG:
1269 sdebug = 1;
1270 break;
1271 case OPT_SECURITY_DEBUG_VERBOSE:
1272 sdebug = 2;
1273 break;
1274 case OPT_STATE:
1275 state = 1;
1276 break;
1277 case OPT_CRLF:
1278 s_crlf = 1;
1279 break;
1280 case OPT_QUIET:
1281 s_quiet = 1;
1282 break;
1283 case OPT_BRIEF:
1284 s_quiet = s_brief = verify_quiet = 1;
1285 break;
1286 case OPT_NO_TMP_RSA:
1287 no_tmp_rsa = 1;
1288 break;
1289 case OPT_NO_DHE:
1290 no_dhe = 1;
1291 break;
1292 case OPT_NO_ECDHE:
1293 no_ecdhe = 1;
1294 break;
1295 case OPT_NO_RESUME_EPHEMERAL:
1296 no_resume_ephemeral = 1;
1297 break;
1298 #ifndef OPENSSL_NO_PSK
1299 case OPT_PSK_HINT:
1300 psk_identity_hint = opt_arg();
1301 break;
1302 case OPT_PSK:
1303 for (p = psk_key = opt_arg(); *p; p++) {
1304 if (isxdigit(*p))
1305 continue;
1306 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1307 goto end;
1308 }
1309 break;
1310 #endif
1311 #ifndef OPENSSL_NO_SRP
1312 case OPT_SRPVFILE:
1313 srp_verifier_file = opt_arg();
1314 meth = TLSv1_server_method();
1315 break;
1316 case OPT_SRPUSERSEED:
1317 srpuserseed = opt_arg();
1318 meth = TLSv1_server_method();
1319 break;
1320 #else
1321 case OPT_SRPVFILE:
1322 case OPT_SRPUSERSEED:
1323 break;
1324 #endif
1325 case OPT_REV:
1326 rev = 1;
1327 break;
1328 case OPT_WWW:
1329 www = 1;
1330 break;
1331 case OPT_UPPER_WWW:
1332 www = 2;
1333 break;
1334 case OPT_HTTP:
1335 www = 3;
1336 break;
1337 #ifndef OPENSSL_NO_SSL3
1338 case OPT_SSL3:
1339 meth = SSLv3_server_method();
1340 break;
1341 #endif
1342 case OPT_TLS1_2:
1343 meth = TLSv1_2_server_method();
1344 break;
1345 case OPT_TLS1_1:
1346 meth = TLSv1_1_server_method();
1347 break;
1348 case OPT_TLS1:
1349 meth = TLSv1_server_method();
1350 break;
1351 #ifndef OPENSSL_NO_DTLS1
1352 case OPT_DTLS:
1353 meth = DTLS_server_method();
1354 socket_type = SOCK_DGRAM;
1355 break;
1356 case OPT_DTLS1:
1357 meth = DTLSv1_server_method();
1358 socket_type = SOCK_DGRAM;
1359 break;
1360 case OPT_DTLS1_2:
1361 meth = DTLSv1_2_server_method();
1362 socket_type = SOCK_DGRAM;
1363 break;
1364 case OPT_TIMEOUT:
1365 enable_timeouts = 1;
1366 break;
1367 case OPT_MTU:
1368 socket_mtu = atol(opt_arg());
1369 break;
1370 case OPT_CHAIN:
1371 cert_chain = 1;
1372 break;
1373 #endif
1374 case OPT_ID_PREFIX:
1375 session_id_prefix = opt_arg();
1376 break;
1377 case OPT_ENGINE:
1378 e = setup_engine(opt_arg(), 1);
1379 break;
1380 case OPT_RAND:
1381 inrand = opt_arg();
1382 break;
1383 #ifndef OPENSSL_NO_TLSEXT
1384 case OPT_SERVERNAME:
1385 tlsextcbp.servername = opt_arg();
1386 break;
1387 case OPT_SERVERNAME_FATAL:
1388 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1389 break;
1390 case OPT_CERT2:
1391 s_cert_file2 = opt_arg();
1392 break;
1393 case OPT_KEY2:
1394 s_key_file2 = opt_arg();
1395 break;
1396 # ifndef OPENSSL_NO_NEXTPROTONEG
1397 case OPT_NEXTPROTONEG:
1398 next_proto_neg_in = opt_arg();
1399 break;
1400 # endif
1401 case OPT_ALPN:
1402 alpn_in = opt_arg();
1403 break;
1404 #endif
1405 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1406 case OPT_JPAKE:
1407 jpake_secret = opt_arg();
1408 break;
1409 #else
1410 case OPT_JPAKE:
1411 goto opthelp;
1412 #endif
1413 case OPT_SRTP_PROFILES:
1414 srtp_profiles = opt_arg();
1415 break;
1416 case OPT_KEYMATEXPORT:
1417 keymatexportlabel = opt_arg();
1418 break;
1419 case OPT_KEYMATEXPORTLEN:
1420 keymatexportlen = atoi(opt_arg());
1421 break;
1422 }
1423 }
1424 argc = opt_num_rest();
1425 argv = opt_rest();
1426
1427 #ifndef OPENSSL_NO_DTLS1
1428 if (www && socket_type == SOCK_DGRAM) {
1429 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1430 goto end;
1431 }
1432 #endif
1433
1434 if (unix_path && (socket_type != SOCK_STREAM)) {
1435 BIO_printf(bio_err,
1436 "Can't use unix sockets and datagrams together\n");
1437 goto end;
1438 }
1439 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1440 if (jpake_secret) {
1441 if (psk_key) {
1442 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1443 goto end;
1444 }
1445 psk_identity = "JPAKE";
1446 }
1447 #endif
1448
1449 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1450 BIO_printf(bio_err, "Error getting password\n");
1451 goto end;
1452 }
1453
1454 if (s_key_file == NULL)
1455 s_key_file = s_cert_file;
1456 #ifndef OPENSSL_NO_TLSEXT
1457 if (s_key_file2 == NULL)
1458 s_key_file2 = s_cert_file2;
1459 #endif
1460
1461 if (!load_excert(&exc))
1462 goto end;
1463
1464 if (nocert == 0) {
1465 s_key = load_key(s_key_file, s_key_format, 0, pass, e,
1466 "server certificate private key file");
1467 if (!s_key) {
1468 ERR_print_errors(bio_err);
1469 goto end;
1470 }
1471
1472 s_cert = load_cert(s_cert_file, s_cert_format,
1473 NULL, e, "server certificate file");
1474
1475 if (!s_cert) {
1476 ERR_print_errors(bio_err);
1477 goto end;
1478 }
1479 if (s_chain_file) {
1480 s_chain = load_certs(s_chain_file, FORMAT_PEM,
1481 NULL, e, "server certificate chain");
1482 if (!s_chain)
1483 goto end;
1484 }
1485 #ifndef OPENSSL_NO_TLSEXT
1486 if (tlsextcbp.servername) {
1487 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, e,
1488 "second server certificate private key file");
1489 if (!s_key2) {
1490 ERR_print_errors(bio_err);
1491 goto end;
1492 }
1493
1494 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1495 NULL, e, "second server certificate file");
1496
1497 if (!s_cert2) {
1498 ERR_print_errors(bio_err);
1499 goto end;
1500 }
1501 }
1502 #endif /* OPENSSL_NO_TLSEXT */
1503 }
1504 #if !defined(OPENSSL_NO_TLSEXT)
1505 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1506 if (next_proto_neg_in) {
1507 unsigned short len;
1508 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1509 if (next_proto.data == NULL)
1510 goto end;
1511 next_proto.len = len;
1512 } else {
1513 next_proto.data = NULL;
1514 }
1515 # endif
1516 alpn_ctx.data = NULL;
1517 if (alpn_in) {
1518 unsigned short len;
1519 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1520 if (alpn_ctx.data == NULL)
1521 goto end;
1522 alpn_ctx.len = len;
1523 }
1524 #endif
1525
1526 if (crl_file) {
1527 X509_CRL *crl;
1528 crl = load_crl(crl_file, crl_format);
1529 if (!crl) {
1530 BIO_puts(bio_err, "Error loading CRL\n");
1531 ERR_print_errors(bio_err);
1532 goto end;
1533 }
1534 crls = sk_X509_CRL_new_null();
1535 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1536 BIO_puts(bio_err, "Error adding CRL\n");
1537 ERR_print_errors(bio_err);
1538 X509_CRL_free(crl);
1539 goto end;
1540 }
1541 }
1542
1543 if (s_dcert_file) {
1544
1545 if (s_dkey_file == NULL)
1546 s_dkey_file = s_dcert_file;
1547
1548 s_dkey = load_key(s_dkey_file, s_dkey_format,
1549 0, dpass, e, "second certificate private key file");
1550 if (!s_dkey) {
1551 ERR_print_errors(bio_err);
1552 goto end;
1553 }
1554
1555 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1556 NULL, e, "second server certificate file");
1557
1558 if (!s_dcert) {
1559 ERR_print_errors(bio_err);
1560 goto end;
1561 }
1562 if (s_dchain_file) {
1563 s_dchain = load_certs(s_dchain_file, FORMAT_PEM,
1564 NULL, e, "second server certificate chain");
1565 if (!s_dchain)
1566 goto end;
1567 }
1568
1569 }
1570
1571 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1572 && !RAND_status()) {
1573 BIO_printf(bio_err,
1574 "warning, not much extra random data, consider using the -rand option\n");
1575 }
1576 if (inrand != NULL)
1577 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1578 app_RAND_load_files(inrand));
1579
1580 if (bio_s_out == NULL) {
1581 if (s_quiet && !s_debug) {
1582 bio_s_out = BIO_new(BIO_s_null());
1583 if (s_msg && !bio_s_msg)
1584 bio_s_msg = dup_bio_out();
1585 } else {
1586 if (bio_s_out == NULL)
1587 bio_s_out = dup_bio_out();
1588 }
1589 }
1590 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1591 if (nocert)
1592 #endif
1593 {
1594 s_cert_file = NULL;
1595 s_key_file = NULL;
1596 s_dcert_file = NULL;
1597 s_dkey_file = NULL;
1598 #ifndef OPENSSL_NO_TLSEXT
1599 s_cert_file2 = NULL;
1600 s_key_file2 = NULL;
1601 #endif
1602 }
1603
1604 ctx = SSL_CTX_new(meth);
1605 if (sdebug)
1606 ssl_ctx_security_debug(ctx, sdebug);
1607 if (ctx == NULL) {
1608 ERR_print_errors(bio_err);
1609 goto end;
1610 }
1611 if (session_id_prefix) {
1612 if (strlen(session_id_prefix) >= 32)
1613 BIO_printf(bio_err,
1614 "warning: id_prefix is too long, only one new session will be possible\n");
1615 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1616 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1617 ERR_print_errors(bio_err);
1618 goto end;
1619 }
1620 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1621 }
1622 SSL_CTX_set_quiet_shutdown(ctx, 1);
1623 if (exc)
1624 ssl_ctx_set_excert(ctx, exc);
1625
1626 if (state)
1627 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1628 if (no_cache)
1629 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1630 else if (ext_cache)
1631 init_session_cache_ctx(ctx);
1632 else
1633 SSL_CTX_sess_set_cache_size(ctx, 128);
1634
1635 #ifndef OPENSSL_NO_SRTP
1636 if (srtp_profiles != NULL) {
1637 /* Returns 0 on success! */
1638 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1639 BIO_printf(bio_err, "Error setting SRTP profile\n");
1640 ERR_print_errors(bio_err);
1641 goto end;
1642 }
1643 }
1644 #endif
1645
1646 if (!ctx_set_verify_locations(ctx, CAfile, CApath)) {
1647 ERR_print_errors(bio_err);
1648 goto end;
1649 }
1650 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1651 BIO_printf(bio_err, "Error setting verify params\n");
1652 ERR_print_errors(bio_err);
1653 goto end;
1654 }
1655
1656 ssl_ctx_add_crls(ctx, crls, 0);
1657 if (!config_ctx(cctx, ssl_args, ctx, no_ecdhe, jpake_secret == NULL))
1658 goto end;
1659
1660 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1661 crls, crl_download)) {
1662 BIO_printf(bio_err, "Error loading store locations\n");
1663 ERR_print_errors(bio_err);
1664 goto end;
1665 }
1666 #ifndef OPENSSL_NO_TLSEXT
1667 if (s_cert2) {
1668 ctx2 = SSL_CTX_new(meth);
1669 if (ctx2 == NULL) {
1670 ERR_print_errors(bio_err);
1671 goto end;
1672 }
1673 }
1674
1675 if (ctx2) {
1676 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1677
1678 if (sdebug)
1679 ssl_ctx_security_debug(ctx, sdebug);
1680
1681 if (session_id_prefix) {
1682 if (strlen(session_id_prefix) >= 32)
1683 BIO_printf(bio_err,
1684 "warning: id_prefix is too long, only one new session will be possible\n");
1685 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1686 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1687 ERR_print_errors(bio_err);
1688 goto end;
1689 }
1690 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1691 }
1692 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1693 if (exc)
1694 ssl_ctx_set_excert(ctx2, exc);
1695
1696 if (state)
1697 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1698
1699 if (no_cache)
1700 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1701 else if (ext_cache)
1702 init_session_cache_ctx(ctx2);
1703 else
1704 SSL_CTX_sess_set_cache_size(ctx2, 128);
1705
1706 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1707 (!SSL_CTX_set_default_verify_paths(ctx2))) {
1708 ERR_print_errors(bio_err);
1709 }
1710 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1711 BIO_printf(bio_err, "Error setting verify params\n");
1712 ERR_print_errors(bio_err);
1713 goto end;
1714 }
1715
1716 ssl_ctx_add_crls(ctx2, crls, 0);
1717 if (!config_ctx(cctx, ssl_args, ctx2, no_ecdhe, jpake_secret == NULL))
1718 goto end;
1719 }
1720 # ifndef OPENSSL_NO_NEXTPROTONEG
1721 if (next_proto.data)
1722 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1723 &next_proto);
1724 # endif
1725 if (alpn_ctx.data)
1726 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1727 #endif
1728
1729 #ifndef OPENSSL_NO_DH
1730 if (!no_dhe) {
1731 DH *dh = NULL;
1732
1733 if (dhfile)
1734 dh = load_dh_param(dhfile);
1735 else if (s_cert_file)
1736 dh = load_dh_param(s_cert_file);
1737
1738 if (dh != NULL) {
1739 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1740 } else {
1741 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1742 }
1743 (void)BIO_flush(bio_s_out);
1744
1745 if (dh == NULL)
1746 SSL_CTX_set_dh_auto(ctx, 1);
1747 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1748 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1749 ERR_print_errors(bio_err);
1750 DH_free(dh);
1751 goto end;
1752 }
1753 # ifndef OPENSSL_NO_TLSEXT
1754 if (ctx2) {
1755 if (!dhfile) {
1756 DH *dh2 = load_dh_param(s_cert_file2);
1757 if (dh2 != NULL) {
1758 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1759 (void)BIO_flush(bio_s_out);
1760
1761 DH_free(dh);
1762 dh = dh2;
1763 }
1764 }
1765 if (dh == NULL)
1766 SSL_CTX_set_dh_auto(ctx2, 1);
1767 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1768 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1769 ERR_print_errors(bio_err);
1770 DH_free(dh);
1771 goto end;
1772 }
1773 }
1774 # endif
1775 DH_free(dh);
1776 }
1777 #endif
1778
1779 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1780 goto end;
1781 #ifndef OPENSSL_NO_TLSEXT
1782 if (s_serverinfo_file != NULL
1783 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1784 ERR_print_errors(bio_err);
1785 goto end;
1786 }
1787 #endif
1788 #ifndef OPENSSL_NO_TLSEXT
1789 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1790 goto end;
1791 #endif
1792 if (s_dcert != NULL) {
1793 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1794 goto end;
1795 }
1796 #ifndef OPENSSL_NO_RSA
1797 if (!no_tmp_rsa) {
1798 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb);
1799 # ifndef OPENSSL_NO_TLSEXT
1800 if (ctx2)
1801 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb);
1802 # endif
1803 }
1804 #endif
1805
1806 if (no_resume_ephemeral) {
1807 SSL_CTX_set_not_resumable_session_callback(ctx,
1808 not_resumable_sess_cb);
1809 #ifndef OPENSSL_NO_TLSEXT
1810 if (ctx2)
1811 SSL_CTX_set_not_resumable_session_callback(ctx2,
1812 not_resumable_sess_cb);
1813 #endif
1814 }
1815 #ifndef OPENSSL_NO_PSK
1816 # ifdef OPENSSL_NO_JPAKE
1817 if (psk_key != NULL)
1818 # else
1819 if (psk_key != NULL || jpake_secret)
1820 # endif
1821 {
1822 if (s_debug)
1823 BIO_printf(bio_s_out,
1824 "PSK key given or JPAKE in use, setting server callback\n");
1825 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1826 }
1827
1828 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1829 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1830 ERR_print_errors(bio_err);
1831 goto end;
1832 }
1833 #endif
1834
1835 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1836 if (!SSL_CTX_set_session_id_context(ctx,
1837 (void *)&s_server_session_id_context,
1838 sizeof s_server_session_id_context)) {
1839 BIO_printf(bio_err, "error setting session id context\n");
1840 ERR_print_errors(bio_err);
1841 goto end;
1842 }
1843
1844 /* Set DTLS cookie generation and verification callbacks */
1845 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1846 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1847
1848 #ifndef OPENSSL_NO_TLSEXT
1849 if (ctx2) {
1850 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1851 if (!SSL_CTX_set_session_id_context(ctx2,
1852 (void *)&s_server_session_id_context,
1853 sizeof s_server_session_id_context)) {
1854 BIO_printf(bio_err, "error setting session id context\n");
1855 ERR_print_errors(bio_err);
1856 goto end;
1857 }
1858 tlsextcbp.biodebug = bio_s_out;
1859 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1860 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1861 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1862 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1863 }
1864 #endif
1865
1866 #ifndef OPENSSL_NO_SRP
1867 if (srp_verifier_file != NULL) {
1868 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1869 srp_callback_parm.user = NULL;
1870 srp_callback_parm.login = NULL;
1871 if ((ret =
1872 SRP_VBASE_init(srp_callback_parm.vb,
1873 srp_verifier_file)) != SRP_NO_ERROR) {
1874 BIO_printf(bio_err,
1875 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1876 srp_verifier_file, ret);
1877 goto end;
1878 }
1879 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1880 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1881 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1882 } else
1883 #endif
1884 if (CAfile != NULL) {
1885 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1886 #ifndef OPENSSL_NO_TLSEXT
1887 if (ctx2)
1888 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1889 #endif
1890 }
1891
1892 BIO_printf(bio_s_out, "ACCEPT\n");
1893 (void)BIO_flush(bio_s_out);
1894 if (rev)
1895 server_cb = rev_body;
1896 else if (www)
1897 server_cb = www_body;
1898 else
1899 server_cb = sv_body;
1900 #ifndef NO_SYS_UN_H
1901 if (unix_path) {
1902 if (unlink_unix_path)
1903 unlink(unix_path);
1904 do_server_unix(unix_path, &accept_socket, server_cb, context,
1905 naccept);
1906 } else
1907 #endif
1908 do_server(port, socket_type, &accept_socket, server_cb, context,
1909 naccept);
1910 print_stats(bio_s_out, ctx);
1911 ret = 0;
1912 end:
1913 SSL_CTX_free(ctx);
1914 X509_free(s_cert);
1915 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1916 X509_free(s_dcert);
1917 EVP_PKEY_free(s_key);
1918 EVP_PKEY_free(s_dkey);
1919 sk_X509_pop_free(s_chain, X509_free);
1920 sk_X509_pop_free(s_dchain, X509_free);
1921 OPENSSL_free(pass);
1922 OPENSSL_free(dpass);
1923 X509_VERIFY_PARAM_free(vpm);
1924 free_sessions();
1925 #ifndef OPENSSL_NO_TLSEXT
1926 OPENSSL_free(tlscstatp.host);
1927 OPENSSL_free(tlscstatp.port);
1928 OPENSSL_free(tlscstatp.path);
1929 SSL_CTX_free(ctx2);
1930 X509_free(s_cert2);
1931 EVP_PKEY_free(s_key2);
1932 BIO_free(serverinfo_in);
1933 # ifndef OPENSSL_NO_NEXTPROTONEG
1934 OPENSSL_free(next_proto.data);
1935 # endif
1936 OPENSSL_free(alpn_ctx.data);
1937 #endif
1938 ssl_excert_free(exc);
1939 sk_OPENSSL_STRING_free(ssl_args);
1940 SSL_CONF_CTX_free(cctx);
1941 BIO_free(bio_s_out);
1942 bio_s_out = NULL;
1943 BIO_free(bio_s_msg);
1944 bio_s_msg = NULL;
1945 return (ret);
1946 }
1947
1948 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1949 {
1950 BIO_printf(bio, "%4ld items in the session cache\n",
1951 SSL_CTX_sess_number(ssl_ctx));
1952 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1953 SSL_CTX_sess_connect(ssl_ctx));
1954 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1955 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1956 BIO_printf(bio, "%4ld client connects that finished\n",
1957 SSL_CTX_sess_connect_good(ssl_ctx));
1958 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1959 SSL_CTX_sess_accept(ssl_ctx));
1960 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1961 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1962 BIO_printf(bio, "%4ld server accepts that finished\n",
1963 SSL_CTX_sess_accept_good(ssl_ctx));
1964 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1965 BIO_printf(bio, "%4ld session cache misses\n",
1966 SSL_CTX_sess_misses(ssl_ctx));
1967 BIO_printf(bio, "%4ld session cache timeouts\n",
1968 SSL_CTX_sess_timeouts(ssl_ctx));
1969 BIO_printf(bio, "%4ld callback cache hits\n",
1970 SSL_CTX_sess_cb_hits(ssl_ctx));
1971 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1972 SSL_CTX_sess_cache_full(ssl_ctx),
1973 SSL_CTX_sess_get_cache_size(ssl_ctx));
1974 }
1975
1976 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
1977 {
1978 char *buf = NULL;
1979 fd_set readfds;
1980 int ret = 1, width;
1981 int k, i;
1982 unsigned long l;
1983 SSL *con = NULL;
1984 BIO *sbio;
1985 struct timeval timeout;
1986 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1987 struct timeval tv;
1988 #else
1989 struct timeval *timeoutp;
1990 #endif
1991
1992 buf = app_malloc(bufsize, "server buffer");
1993 #ifdef FIONBIO
1994 if (s_nbio) {
1995 unsigned long sl = 1;
1996
1997 if (!s_quiet)
1998 BIO_printf(bio_err, "turning on non blocking io\n");
1999 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2000 ERR_print_errors(bio_err);
2001 }
2002 #endif
2003
2004 if (con == NULL) {
2005 con = SSL_new(ctx);
2006 #ifndef OPENSSL_NO_TLSEXT
2007 if (s_tlsextdebug) {
2008 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2009 SSL_set_tlsext_debug_arg(con, bio_s_out);
2010 }
2011 if (s_tlsextstatus) {
2012 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2013 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2014 }
2015 #endif
2016 if (context
2017 && !SSL_set_session_id_context(con,
2018 context, strlen((char *)context))) {
2019 BIO_printf(bio_err, "Error setting session id context\n");
2020 ret = -1;
2021 goto err;
2022 }
2023 }
2024 if (!SSL_clear(con)) {
2025 BIO_printf(bio_err, "Error clearing SSL connection\n");
2026 ret = -1;
2027 goto err;
2028 }
2029
2030 if (stype == SOCK_DGRAM) {
2031
2032 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2033
2034 if (enable_timeouts) {
2035 timeout.tv_sec = 0;
2036 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2037 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2038
2039 timeout.tv_sec = 0;
2040 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2041 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2042 }
2043
2044 if (socket_mtu) {
2045 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2046 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2047 DTLS_get_link_min_mtu(con));
2048 ret = -1;
2049 BIO_free(sbio);
2050 goto err;
2051 }
2052 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2053 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2054 BIO_printf(bio_err, "Failed to set MTU\n");
2055 ret = -1;
2056 BIO_free(sbio);
2057 goto err;
2058 }
2059 } else
2060 /* want to do MTU discovery */
2061 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2062
2063 /* turn on cookie exchange */
2064 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2065 } else
2066 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2067
2068 if (s_nbio_test) {
2069 BIO *test;
2070
2071 test = BIO_new(BIO_f_nbio_test());
2072 sbio = BIO_push(test, sbio);
2073 }
2074 #ifndef OPENSSL_NO_JPAKE
2075 if (jpake_secret)
2076 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2077 #endif
2078
2079 SSL_set_bio(con, sbio, sbio);
2080 SSL_set_accept_state(con);
2081 /* SSL_set_fd(con,s); */
2082
2083 if (s_debug) {
2084 SSL_set_debug(con, 1);
2085 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2086 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2087 }
2088 if (s_msg) {
2089 #ifndef OPENSSL_NO_SSL_TRACE
2090 if (s_msg == 2)
2091 SSL_set_msg_callback(con, SSL_trace);
2092 else
2093 #endif
2094 SSL_set_msg_callback(con, msg_cb);
2095 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2096 }
2097 #ifndef OPENSSL_NO_TLSEXT
2098 if (s_tlsextdebug) {
2099 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2100 SSL_set_tlsext_debug_arg(con, bio_s_out);
2101 }
2102 #endif
2103
2104 width = s + 1;
2105 for (;;) {
2106 int read_from_terminal;
2107 int read_from_sslcon;
2108
2109 read_from_terminal = 0;
2110 read_from_sslcon = SSL_pending(con);
2111
2112 if (!read_from_sslcon) {
2113 FD_ZERO(&readfds);
2114 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
2115 openssl_fdset(fileno(stdin), &readfds);
2116 #endif
2117 openssl_fdset(s, &readfds);
2118 /*
2119 * Note: under VMS with SOCKETSHR the second parameter is
2120 * currently of type (int *) whereas under other systems it is
2121 * (void *) if you don't have a cast it will choke the compiler:
2122 * if you do have a cast then you can either go for (int *) or
2123 * (void *).
2124 */
2125 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2126 /*
2127 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2128 * only on sockets. As a workaround we timeout the select every
2129 * second and check for any keypress. In a proper Windows
2130 * application we wouldn't do this because it is inefficient.
2131 */
2132 tv.tv_sec = 1;
2133 tv.tv_usec = 0;
2134 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2135 if ((i < 0) || (!i && !_kbhit()))
2136 continue;
2137 if (_kbhit())
2138 read_from_terminal = 1;
2139 #else
2140 if ((SSL_version(con) == DTLS1_VERSION) &&
2141 DTLSv1_get_timeout(con, &timeout))
2142 timeoutp = &timeout;
2143 else
2144 timeoutp = NULL;
2145
2146 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2147
2148 if ((SSL_version(con) == DTLS1_VERSION)
2149 && DTLSv1_handle_timeout(con) > 0) {
2150 BIO_printf(bio_err, "TIMEOUT occurred\n");
2151 }
2152
2153 if (i <= 0)
2154 continue;
2155 if (FD_ISSET(fileno(stdin), &readfds))
2156 read_from_terminal = 1;
2157 #endif
2158 if (FD_ISSET(s, &readfds))
2159 read_from_sslcon = 1;
2160 }
2161 if (read_from_terminal) {
2162 if (s_crlf) {
2163 int j, lf_num;
2164
2165 i = raw_read_stdin(buf, bufsize / 2);
2166 lf_num = 0;
2167 /* both loops are skipped when i <= 0 */
2168 for (j = 0; j < i; j++)
2169 if (buf[j] == '\n')
2170 lf_num++;
2171 for (j = i - 1; j >= 0; j--) {
2172 buf[j + lf_num] = buf[j];
2173 if (buf[j] == '\n') {
2174 lf_num--;
2175 i++;
2176 buf[j + lf_num] = '\r';
2177 }
2178 }
2179 assert(lf_num == 0);
2180 } else
2181 i = raw_read_stdin(buf, bufsize);
2182 if (!s_quiet && !s_brief) {
2183 if ((i <= 0) || (buf[0] == 'Q')) {
2184 BIO_printf(bio_s_out, "DONE\n");
2185 (void)BIO_flush(bio_s_out);
2186 SHUTDOWN(s);
2187 close_accept_socket();
2188 ret = -11;
2189 goto err;
2190 }
2191 if ((i <= 0) || (buf[0] == 'q')) {
2192 BIO_printf(bio_s_out, "DONE\n");
2193 (void)BIO_flush(bio_s_out);
2194 if (SSL_version(con) != DTLS1_VERSION)
2195 SHUTDOWN(s);
2196 /*
2197 * close_accept_socket(); ret= -11;
2198 */
2199 goto err;
2200 }
2201 #ifndef OPENSSL_NO_HEARTBEATS
2202 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2203 BIO_printf(bio_err, "HEARTBEATING\n");
2204 SSL_heartbeat(con);
2205 i = 0;
2206 continue;
2207 }
2208 #endif
2209 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2210 SSL_renegotiate(con);
2211 i = SSL_do_handshake(con);
2212 printf("SSL_do_handshake -> %d\n", i);
2213 i = 0; /* 13; */
2214 continue;
2215 /*
2216 * strcpy(buf,"server side RE-NEGOTIATE\n");
2217 */
2218 }
2219 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2220 SSL_set_verify(con,
2221 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2222 NULL);
2223 SSL_renegotiate(con);
2224 i = SSL_do_handshake(con);
2225 printf("SSL_do_handshake -> %d\n", i);
2226 i = 0; /* 13; */
2227 continue;
2228 /*
2229 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2230 * cert\n");
2231 */
2232 }
2233 if (buf[0] == 'P') {
2234 static const char *str = "Lets print some clear text\n";
2235 BIO_write(SSL_get_wbio(con), str, strlen(str));
2236 }
2237 if (buf[0] == 'S') {
2238 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2239 }
2240 }
2241 #ifdef CHARSET_EBCDIC
2242 ebcdic2ascii(buf, buf, i);
2243 #endif
2244 l = k = 0;
2245 for (;;) {
2246 /* should do a select for the write */
2247 #ifdef RENEG
2248 {
2249 static count = 0;
2250 if (++count == 100) {
2251 count = 0;
2252 SSL_renegotiate(con);
2253 }
2254 }
2255 #endif
2256 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2257 #ifndef OPENSSL_NO_SRP
2258 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2259 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2260 srp_callback_parm.user =
2261 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2262 srp_callback_parm.login);
2263 if (srp_callback_parm.user)
2264 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2265 srp_callback_parm.user->info);
2266 else
2267 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2268 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2269 }
2270 #endif
2271 switch (SSL_get_error(con, k)) {
2272 case SSL_ERROR_NONE:
2273 break;
2274 case SSL_ERROR_WANT_WRITE:
2275 case SSL_ERROR_WANT_READ:
2276 case SSL_ERROR_WANT_X509_LOOKUP:
2277 BIO_printf(bio_s_out, "Write BLOCK\n");
2278 break;
2279 case SSL_ERROR_SYSCALL:
2280 case SSL_ERROR_SSL:
2281 BIO_printf(bio_s_out, "ERROR\n");
2282 (void)BIO_flush(bio_s_out);
2283 ERR_print_errors(bio_err);
2284 ret = 1;
2285 goto err;
2286 /* break; */
2287 case SSL_ERROR_ZERO_RETURN:
2288 BIO_printf(bio_s_out, "DONE\n");
2289 (void)BIO_flush(bio_s_out);
2290 ret = 1;
2291 goto err;
2292 }
2293 l += k;
2294 i -= k;
2295 if (i <= 0)
2296 break;
2297 }
2298 }
2299 if (read_from_sslcon) {
2300 if (!SSL_is_init_finished(con)) {
2301 i = init_ssl_connection(con);
2302
2303 if (i < 0) {
2304 ret = 0;
2305 goto err;
2306 } else if (i == 0) {
2307 ret = 1;
2308 goto err;
2309 }
2310 } else {
2311 again:
2312 i = SSL_read(con, (char *)buf, bufsize);
2313 #ifndef OPENSSL_NO_SRP
2314 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2315 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2316 srp_callback_parm.user =
2317 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2318 srp_callback_parm.login);
2319 if (srp_callback_parm.user)
2320 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2321 srp_callback_parm.user->info);
2322 else
2323 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2324 i = SSL_read(con, (char *)buf, bufsize);
2325 }
2326 #endif
2327 switch (SSL_get_error(con, i)) {
2328 case SSL_ERROR_NONE:
2329 #ifdef CHARSET_EBCDIC
2330 ascii2ebcdic(buf, buf, i);
2331 #endif
2332 raw_write_stdout(buf, (unsigned int)i);
2333 if (SSL_pending(con))
2334 goto again;
2335 break;
2336 case SSL_ERROR_WANT_WRITE:
2337 case SSL_ERROR_WANT_READ:
2338 BIO_printf(bio_s_out, "Read BLOCK\n");
2339 break;
2340 case SSL_ERROR_SYSCALL:
2341 case SSL_ERROR_SSL:
2342 BIO_printf(bio_s_out, "ERROR\n");
2343 (void)BIO_flush(bio_s_out);
2344 ERR_print_errors(bio_err);
2345 ret = 1;
2346 goto err;
2347 case SSL_ERROR_ZERO_RETURN:
2348 BIO_printf(bio_s_out, "DONE\n");
2349 (void)BIO_flush(bio_s_out);
2350 ret = 1;
2351 goto err;
2352 }
2353 }
2354 }
2355 }
2356 err:
2357 if (con != NULL) {
2358 BIO_printf(bio_s_out, "shutting down SSL\n");
2359 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2360 SSL_free(con);
2361 }
2362 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2363 OPENSSL_clear_free(buf, bufsize);
2364 if (ret >= 0)
2365 BIO_printf(bio_s_out, "ACCEPT\n");
2366 (void)BIO_flush(bio_s_out);
2367 return (ret);
2368 }
2369
2370 static void close_accept_socket(void)
2371 {
2372 BIO_printf(bio_err, "shutdown accept socket\n");
2373 if (accept_socket >= 0) {
2374 SHUTDOWN2(accept_socket);
2375 }
2376 }
2377
2378 static int init_ssl_connection(SSL *con)
2379 {
2380 int i;
2381 const char *str;
2382 X509 *peer;
2383 long verify_error;
2384 char buf[BUFSIZ];
2385 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2386 const unsigned char *next_proto_neg;
2387 unsigned next_proto_neg_len;
2388 #endif
2389 unsigned char *exportedkeymat;
2390
2391 i = SSL_accept(con);
2392 #ifdef CERT_CB_TEST_RETRY
2393 {
2394 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2395 && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) {
2396 fprintf(stderr,
2397 "LOOKUP from certificate callback during accept\n");
2398 i = SSL_accept(con);
2399 }
2400 }
2401 #endif
2402 #ifndef OPENSSL_NO_SRP
2403 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2404 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2405 srp_callback_parm.login);
2406 srp_callback_parm.user =
2407 SRP_VBASE_get_by_user(srp_callback_parm.vb,
2408 srp_callback_parm.login);
2409 if (srp_callback_parm.user)
2410 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2411 srp_callback_parm.user->info);
2412 else
2413 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2414 i = SSL_accept(con);
2415 }
2416 #endif
2417
2418 if (i <= 0) {
2419 if (BIO_sock_should_retry(i)) {
2420 BIO_printf(bio_s_out, "DELAY\n");
2421 return (1);
2422 }
2423
2424 BIO_printf(bio_err, "ERROR\n");
2425
2426 verify_error = SSL_get_verify_result(con);
2427 if (verify_error != X509_V_OK) {
2428 BIO_printf(bio_err, "verify error:%s\n",
2429 X509_verify_cert_error_string(verify_error));
2430 }
2431 /* Always print any error messages */
2432 ERR_print_errors(bio_err);
2433 return (0);
2434 }
2435
2436 if (s_brief)
2437 print_ssl_summary(con);
2438
2439 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2440
2441 peer = SSL_get_peer_certificate(con);
2442 if (peer != NULL) {
2443 BIO_printf(bio_s_out, "Client certificate\n");
2444 PEM_write_bio_X509(bio_s_out, peer);
2445 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2446 BIO_printf(bio_s_out, "subject=%s\n", buf);
2447 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2448 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2449 X509_free(peer);
2450 }
2451
2452 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2453 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2454 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2455 ssl_print_sigalgs(bio_s_out, con);
2456 #ifndef OPENSSL_NO_EC
2457 ssl_print_point_formats(bio_s_out, con);
2458 ssl_print_curves(bio_s_out, con, 0);
2459 #endif
2460 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2461
2462 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2463 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2464 if (next_proto_neg) {
2465 BIO_printf(bio_s_out, "NEXTPROTO is ");
2466 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2467 BIO_printf(bio_s_out, "\n");
2468 }
2469 #endif
2470 #ifndef OPENSSL_NO_SRTP
2471 {
2472 SRTP_PROTECTION_PROFILE *srtp_profile
2473 = SSL_get_selected_srtp_profile(con);
2474
2475 if (srtp_profile)
2476 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2477 srtp_profile->name);
2478 }
2479 #endif
2480 if (SSL_cache_hit(con))
2481 BIO_printf(bio_s_out, "Reused session-id\n");
2482 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) &
2483 TLS1_FLAGS_TLS_PADDING_BUG)
2484 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n");
2485 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2486 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2487 if (keymatexportlabel != NULL) {
2488 BIO_printf(bio_s_out, "Keying material exporter:\n");
2489 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2490 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2491 exportedkeymat = app_malloc(keymatexportlen, "export key");
2492 if (!SSL_export_keying_material(con, exportedkeymat,
2493 keymatexportlen,
2494 keymatexportlabel,
2495 strlen(keymatexportlabel),
2496 NULL, 0, 0)) {
2497 BIO_printf(bio_s_out, " Error\n");
2498 } else {
2499 BIO_printf(bio_s_out, " Keying material: ");
2500 for (i = 0; i < keymatexportlen; i++)
2501 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2502 BIO_printf(bio_s_out, "\n");
2503 }
2504 OPENSSL_free(exportedkeymat);
2505 }
2506
2507 return (1);
2508 }
2509
2510 #ifndef OPENSSL_NO_DH
2511 static DH *load_dh_param(const char *dhfile)
2512 {
2513 DH *ret = NULL;
2514 BIO *bio;
2515
2516 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2517 goto err;
2518 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2519 err:
2520 BIO_free(bio);
2521 return (ret);
2522 }
2523 #endif
2524
2525 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2526 {
2527 char *buf = NULL;
2528 int ret = 1;
2529 int i, j, k, dot;
2530 SSL *con;
2531 const SSL_CIPHER *c;
2532 BIO *io, *ssl_bio, *sbio;
2533 #ifdef RENEG
2534 int total_bytes = 0;
2535 #endif
2536
2537 buf = app_malloc(bufsize, "server www buffer");
2538 io = BIO_new(BIO_f_buffer());
2539 ssl_bio = BIO_new(BIO_f_ssl());
2540 if ((io == NULL) || (ssl_bio == NULL))
2541 goto err;
2542
2543 #ifdef FIONBIO
2544 if (s_nbio) {
2545 unsigned long sl = 1;
2546
2547 if (!s_quiet)
2548 BIO_printf(bio_err, "turning on non blocking io\n");
2549 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
2550 ERR_print_errors(bio_err);
2551 }
2552 #endif
2553
2554 /* lets make the output buffer a reasonable size */
2555 if (!BIO_set_write_buffer_size(io, bufsize))
2556 goto err;
2557
2558 if ((con = SSL_new(ctx)) == NULL)
2559 goto err;
2560 #ifndef OPENSSL_NO_TLSEXT
2561 if (s_tlsextdebug) {
2562 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2563 SSL_set_tlsext_debug_arg(con, bio_s_out);
2564 }
2565 #endif
2566 if (context && !SSL_set_session_id_context(con, context,
2567 strlen((char *)context)))
2568 goto err;
2569
2570 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2571 if (s_nbio_test) {
2572 BIO *test;
2573
2574 test = BIO_new(BIO_f_nbio_test());
2575 sbio = BIO_push(test, sbio);
2576 }
2577 SSL_set_bio(con, sbio, sbio);
2578 SSL_set_accept_state(con);
2579
2580 /* SSL_set_fd(con,s); */
2581 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2582 BIO_push(io, ssl_bio);
2583 #ifdef CHARSET_EBCDIC
2584 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2585 #endif
2586
2587 if (s_debug) {
2588 SSL_set_debug(con, 1);
2589 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2590 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2591 }
2592 if (s_msg) {
2593 #ifndef OPENSSL_NO_SSL_TRACE
2594 if (s_msg == 2)
2595 SSL_set_msg_callback(con, SSL_trace);
2596 else
2597 #endif
2598 SSL_set_msg_callback(con, msg_cb);
2599 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2600 }
2601
2602 for (;;) {
2603 i = BIO_gets(io, buf, bufsize - 1);
2604 if (i < 0) { /* error */
2605 if (!BIO_should_retry(io)) {
2606 if (!s_quiet)
2607 ERR_print_errors(bio_err);
2608 goto err;
2609 } else {
2610 BIO_printf(bio_s_out, "read R BLOCK\n");
2611 #if defined(OPENSSL_SYS_NETWARE)
2612 delay(1000);
2613 #elif !defined(OPENSSL_SYS_MSDOS)
2614 sleep(1);
2615 #endif
2616 continue;
2617 }
2618 } else if (i == 0) { /* end of input */
2619 ret = 1;
2620 goto end;
2621 }
2622
2623 /* else we have data */
2624 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2625 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2626 char *p;
2627 X509 *peer;
2628 STACK_OF(SSL_CIPHER) *sk;
2629 static const char *space = " ";
2630
2631 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2632 if (strncmp("GET /renegcert", buf, 14) == 0)
2633 SSL_set_verify(con,
2634 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2635 NULL);
2636 i = SSL_renegotiate(con);
2637 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2638 i = SSL_do_handshake(con);
2639 if (i <= 0) {
2640 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2641 SSL_get_error(con, i));
2642 ERR_print_errors(bio_err);
2643 goto err;
2644 }
2645 /* EVIL HACK! */
2646 SSL_set_state(con, SSL_ST_ACCEPT);
2647 i = SSL_do_handshake(con);
2648 BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n", i);
2649 if (i <= 0) {
2650 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2651 SSL_get_error(con, i));
2652 ERR_print_errors(bio_err);
2653 goto err;
2654 }
2655 }
2656
2657 BIO_puts(io,
2658 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2659 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2660 BIO_puts(io, "<pre>\n");
2661 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2662 BIO_puts(io, "\n");
2663 for (i = 0; i < local_argc; i++) {
2664 const char *myp;
2665 for (myp = local_argv[i]; *myp; myp++)
2666 switch (*myp) {
2667 case '<':
2668 BIO_puts(io, "&lt;");
2669 break;
2670 case '>':
2671 BIO_puts(io, "&gt;");
2672 break;
2673 case '&':
2674 BIO_puts(io, "&amp;");
2675 break;
2676 default:
2677 BIO_write(io, myp, 1);
2678 break;
2679 }
2680 BIO_write(io, " ", 1);
2681 }
2682 BIO_puts(io, "\n");
2683
2684 BIO_printf(io,
2685 "Secure Renegotiation IS%s supported\n",
2686 SSL_get_secure_renegotiation_support(con) ?
2687 "" : " NOT");
2688
2689 /*
2690 * The following is evil and should not really be done
2691 */
2692 BIO_printf(io, "Ciphers supported in s_server binary\n");
2693 sk = SSL_get_ciphers(con);
2694 j = sk_SSL_CIPHER_num(sk);
2695 for (i = 0; i < j; i++) {
2696 c = sk_SSL_CIPHER_value(sk, i);
2697 BIO_printf(io, "%-11s:%-25s ",
2698 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2699 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2700 BIO_puts(io, "\n");
2701 }
2702 BIO_puts(io, "\n");
2703 p = SSL_get_shared_ciphers(con, buf, bufsize);
2704 if (p != NULL) {
2705 BIO_printf(io,
2706 "---\nCiphers common between both SSL end points:\n");
2707 j = i = 0;
2708 while (*p) {
2709 if (*p == ':') {
2710 BIO_write(io, space, 26 - j);
2711 i++;
2712 j = 0;
2713 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2714 } else {
2715 BIO_write(io, p, 1);
2716 j++;
2717 }
2718 p++;
2719 }
2720 BIO_puts(io, "\n");
2721 }
2722 ssl_print_sigalgs(io, con);
2723 #ifndef OPENSSL_NO_EC
2724 ssl_print_curves(io, con, 0);
2725 #endif
2726 BIO_printf(io, (SSL_cache_hit(con)
2727 ? "---\nReused, " : "---\nNew, "));
2728 c = SSL_get_current_cipher(con);
2729 BIO_printf(io, "%s, Cipher is %s\n",
2730 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2731 SSL_SESSION_print(io, SSL_get_session(con));
2732 BIO_printf(io, "---\n");
2733 print_stats(io, SSL_get_SSL_CTX(con));
2734 BIO_printf(io, "---\n");
2735 peer = SSL_get_peer_certificate(con);
2736 if (peer != NULL) {
2737 BIO_printf(io, "Client certificate\n");
2738 X509_print(io, peer);
2739 PEM_write_bio_X509(io, peer);
2740 } else
2741 BIO_puts(io, "no client certificate available\n");
2742 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2743 break;
2744 } else if ((www == 2 || www == 3)
2745 && (strncmp("GET /", buf, 5) == 0)) {
2746 BIO *file;
2747 char *p, *e;
2748 static const char *text =
2749 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2750
2751 /* skip the '/' */
2752 p = &(buf[5]);
2753
2754 dot = 1;
2755 for (e = p; *e != '\0'; e++) {
2756 if (e[0] == ' ')
2757 break;
2758
2759 switch (dot) {
2760 case 1:
2761 dot = (e[0] == '.') ? 2 : 0;
2762 break;
2763 case 2:
2764 dot = (e[0] == '.') ? 3 : 0;
2765 break;
2766 case 3:
2767 dot = (e[0] == '/') ? -1 : 0;
2768 break;
2769 }
2770 if (dot == 0)
2771 dot = (e[0] == '/') ? 1 : 0;
2772 }
2773 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2774 * component */
2775
2776 if (*e == '\0') {
2777 BIO_puts(io, text);
2778 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2779 break;
2780 }
2781 *e = '\0';
2782
2783 if (dot) {
2784 BIO_puts(io, text);
2785 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2786 break;
2787 }
2788
2789 if (*p == '/') {
2790 BIO_puts(io, text);
2791 BIO_printf(io, "'%s' is an invalid path\r\n", p);
2792 break;
2793 }
2794
2795 /* if a directory, do the index thang */
2796 if (app_isdir(p) > 0) {
2797 BIO_puts(io, text);
2798 BIO_printf(io, "'%s' is a directory\r\n", p);
2799 break;
2800 }
2801
2802 if ((file = BIO_new_file(p, "r")) == NULL) {
2803 BIO_puts(io, text);
2804 BIO_printf(io, "Error opening '%s'\r\n", p);
2805 ERR_print_errors(io);
2806 break;
2807 }
2808
2809 if (!s_quiet)
2810 BIO_printf(bio_err, "FILE:%s\n", p);
2811
2812 if (www == 2) {
2813 i = strlen(p);
2814 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2815 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2816 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2817 BIO_puts(io,
2818 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2819 else
2820 BIO_puts(io,
2821 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2822 }
2823 /* send the file */
2824 for (;;) {
2825 i = BIO_read(file, buf, bufsize);
2826 if (i <= 0)
2827 break;
2828
2829 #ifdef RENEG
2830 total_bytes += i;
2831 fprintf(stderr, "%d\n", i);
2832 if (total_bytes > 3 * 1024) {
2833 total_bytes = 0;
2834 fprintf(stderr, "RENEGOTIATE\n");
2835 SSL_renegotiate(con);
2836 }
2837 #endif
2838
2839 for (j = 0; j < i;) {
2840 #ifdef RENEG
2841 {
2842 static count = 0;
2843 if (++count == 13) {
2844 SSL_renegotiate(con);
2845 }
2846 }
2847 #endif
2848 k = BIO_write(io, &(buf[j]), i - j);
2849 if (k <= 0) {
2850 if (!BIO_should_retry(io))
2851 goto write_error;
2852 else {
2853 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2854 }
2855 } else {
2856 j += k;
2857 }
2858 }
2859 }
2860 write_error:
2861 BIO_free(file);
2862 break;
2863 }
2864 }
2865
2866 for (;;) {
2867 i = (int)BIO_flush(io);
2868 if (i <= 0) {
2869 if (!BIO_should_retry(io))
2870 break;
2871 } else
2872 break;
2873 }
2874 end:
2875 /* make sure we re-use sessions */
2876 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2877
2878 err:
2879 if (ret >= 0)
2880 BIO_printf(bio_s_out, "ACCEPT\n");
2881 OPENSSL_free(buf);
2882 BIO_free_all(io);
2883 return (ret);
2884 }
2885
2886 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
2887 {
2888 char *buf = NULL;
2889 int i;
2890 int ret = 1;
2891 SSL *con;
2892 BIO *io, *ssl_bio, *sbio;
2893
2894 buf = app_malloc(bufsize, "server rev buffer");
2895 io = BIO_new(BIO_f_buffer());
2896 ssl_bio = BIO_new(BIO_f_ssl());
2897 if ((io == NULL) || (ssl_bio == NULL))
2898 goto err;
2899
2900 /* lets make the output buffer a reasonable size */
2901 if (!BIO_set_write_buffer_size(io, bufsize))
2902 goto err;
2903
2904 if ((con = SSL_new(ctx)) == NULL)
2905 goto err;
2906 #ifndef OPENSSL_NO_TLSEXT
2907 if (s_tlsextdebug) {
2908 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2909 SSL_set_tlsext_debug_arg(con, bio_s_out);
2910 }
2911 #endif
2912 if (context && !SSL_set_session_id_context(con, context,
2913 strlen((char *)context))) {
2914 ERR_print_errors(bio_err);
2915 goto err;
2916 }
2917
2918 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2919 SSL_set_bio(con, sbio, sbio);
2920 SSL_set_accept_state(con);
2921
2922 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2923 BIO_push(io, ssl_bio);
2924 #ifdef CHARSET_EBCDIC
2925 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2926 #endif
2927
2928 if (s_debug) {
2929 SSL_set_debug(con, 1);
2930 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2931 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2932 }
2933 if (s_msg) {
2934 #ifndef OPENSSL_NO_SSL_TRACE
2935 if (s_msg == 2)
2936 SSL_set_msg_callback(con, SSL_trace);
2937 else
2938 #endif
2939 SSL_set_msg_callback(con, msg_cb);
2940 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2941 }
2942
2943 for (;;) {
2944 i = BIO_do_handshake(io);
2945 if (i > 0)
2946 break;
2947 if (!BIO_should_retry(io)) {
2948 BIO_puts(bio_err, "CONNECTION FAILURE\n");
2949 ERR_print_errors(bio_err);
2950 goto end;
2951 }
2952 }
2953 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
2954 print_ssl_summary(con);
2955
2956 for (;;) {
2957 i = BIO_gets(io, buf, bufsize - 1);
2958 if (i < 0) { /* error */
2959 if (!BIO_should_retry(io)) {
2960 if (!s_quiet)
2961 ERR_print_errors(bio_err);
2962 goto err;
2963 } else {
2964 BIO_printf(bio_s_out, "read R BLOCK\n");
2965 #if defined(OPENSSL_SYS_NETWARE)
2966 delay(1000);
2967 #elif !defined(OPENSSL_SYS_MSDOS)
2968 sleep(1);
2969 #endif
2970 continue;
2971 }
2972 } else if (i == 0) { /* end of input */
2973 ret = 1;
2974 BIO_printf(bio_err, "CONNECTION CLOSED\n");
2975 goto end;
2976 } else {
2977 char *p = buf + i - 1;
2978 while (i && (*p == '\n' || *p == '\r')) {
2979 p--;
2980 i--;
2981 }
2982 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
2983 ret = 1;
2984 BIO_printf(bio_err, "CONNECTION CLOSED\n");
2985 goto end;
2986 }
2987 BUF_reverse((unsigned char *)buf, NULL, i);
2988 buf[i] = '\n';
2989 BIO_write(io, buf, i + 1);
2990 for (;;) {
2991 i = BIO_flush(io);
2992 if (i > 0)
2993 break;
2994 if (!BIO_should_retry(io))
2995 goto end;
2996 }
2997 }
2998 }
2999 end:
3000 /* make sure we re-use sessions */
3001 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3002
3003 err:
3004
3005 OPENSSL_free(buf);
3006 BIO_free_all(io);
3007 return (ret);
3008 }
3009
3010 #ifndef OPENSSL_NO_RSA
3011 static RSA *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3012 {
3013 BIGNUM *bn = NULL;
3014 static RSA *rsa_tmp = NULL;
3015
3016 if (!rsa_tmp && ((bn = BN_new()) == NULL))
3017 BIO_printf(bio_err, "Allocation error in generating RSA key\n");
3018 if (!rsa_tmp && bn) {
3019 if (!s_quiet) {
3020 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...",
3021 keylength);
3022 (void)BIO_flush(bio_err);
3023 }
3024 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3025 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) {
3026 RSA_free(rsa_tmp);
3027 rsa_tmp = NULL;
3028 }
3029 if (!s_quiet) {
3030 BIO_printf(bio_err, "\n");
3031 (void)BIO_flush(bio_err);
3032 }
3033 BN_free(bn);
3034 }
3035 return (rsa_tmp);
3036 }
3037 #endif
3038
3039 #define MAX_SESSION_ID_ATTEMPTS 10
3040 static int generate_session_id(const SSL *ssl, unsigned char *id,
3041 unsigned int *id_len)
3042 {
3043 unsigned int count = 0;
3044 do {
3045 if (RAND_bytes(id, *id_len) <= 0)
3046 return 0;
3047 /*
3048 * Prefix the session_id with the required prefix. NB: If our prefix
3049 * is too long, clip it - but there will be worse effects anyway, eg.
3050 * the server could only possibly create 1 session ID (ie. the
3051 * prefix!) so all future session negotiations will fail due to
3052 * conflicts.
3053 */
3054 memcpy(id, session_id_prefix,
3055 (strlen(session_id_prefix) < *id_len) ?
3056 strlen(session_id_prefix) : *id_len);
3057 }
3058 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3059 (++count < MAX_SESSION_ID_ATTEMPTS));
3060 if (count >= MAX_SESSION_ID_ATTEMPTS)
3061 return 0;
3062 return 1;
3063 }
3064
3065 /*
3066 * By default s_server uses an in-memory cache which caches SSL_SESSION
3067 * structures without any serialisation. This hides some bugs which only
3068 * become apparent in deployed servers. By implementing a basic external
3069 * session cache some issues can be debugged using s_server.
3070 */
3071
3072 typedef struct simple_ssl_session_st {
3073 unsigned char *id;
3074 unsigned int idlen;
3075 unsigned char *der;
3076 int derlen;
3077 struct simple_ssl_session_st *next;
3078 } simple_ssl_session;
3079
3080 static simple_ssl_session *first = NULL;
3081
3082 static int add_session(SSL *ssl, SSL_SESSION *session)
3083 {
3084 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3085 unsigned char *p;
3086
3087 SSL_SESSION_get_id(session, &sess->idlen);
3088 sess->derlen = i2d_SSL_SESSION(session, NULL);
3089 if (sess->derlen < 0) {
3090 BIO_printf(bio_err, "Error encoding session\n");
3091 OPENSSL_free(sess);
3092 return 0;
3093 }
3094
3095 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3096 sess->der = app_malloc(sess->derlen, "get session buffer");
3097 if (!sess->id) {
3098 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3099 OPENSSL_free(sess->id);
3100 OPENSSL_free(sess->der);
3101 OPENSSL_free(sess);
3102 return 0;
3103 }
3104 p = sess->der;
3105
3106 /* Assume it still works. */
3107 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3108 BIO_printf(bio_err, "Unexpected session encoding length\n");
3109 OPENSSL_free(sess->id);
3110 OPENSSL_free(sess->der);
3111 OPENSSL_free(sess);
3112 return 0;
3113 }
3114
3115 sess->next = first;
3116 first = sess;
3117 BIO_printf(bio_err, "New session added to external cache\n");
3118 return 0;
3119 }
3120
3121 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3122 int *do_copy)
3123 {
3124 simple_ssl_session *sess;
3125 *do_copy = 0;
3126 for (sess = first; sess; sess = sess->next) {
3127 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3128 const unsigned char *p = sess->der;
3129 BIO_printf(bio_err, "Lookup session: cache hit\n");
3130 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3131 }
3132 }
3133 BIO_printf(bio_err, "Lookup session: cache miss\n");
3134 return NULL;
3135 }
3136
3137 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3138 {
3139 simple_ssl_session *sess, *prev = NULL;
3140 const unsigned char *id;
3141 unsigned int idlen;
3142 id = SSL_SESSION_get_id(session, &idlen);
3143 for (sess = first; sess; sess = sess->next) {
3144 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3145 if (prev)
3146 prev->next = sess->next;
3147 else
3148 first = sess->next;
3149 OPENSSL_free(sess->id);
3150 OPENSSL_free(sess->der);
3151 OPENSSL_free(sess);
3152 return;
3153 }
3154 prev = sess;
3155 }
3156 }
3157
3158 static void init_session_cache_ctx(SSL_CTX *sctx)
3159 {
3160 SSL_CTX_set_session_cache_mode(sctx,
3161 SSL_SESS_CACHE_NO_INTERNAL |
3162 SSL_SESS_CACHE_SERVER);
3163 SSL_CTX_sess_set_new_cb(sctx, add_session);
3164 SSL_CTX_sess_set_get_cb(sctx, get_session);
3165 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3166 }
3167
3168 static void free_sessions(void)
3169 {
3170 simple_ssl_session *sess, *tsess;
3171 for (sess = first; sess;) {
3172 OPENSSL_free(sess->id);
3173 OPENSSL_free(sess->der);
3174 tsess = sess;
3175 sess = sess->next;
3176 OPENSSL_free(tsess);
3177 }
3178 first = NULL;
3179 }
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