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