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Pack globals variables used to control apps/verify_callback()
[thirdparty/openssl.git] / apps / s_server.c
1 /*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 /* ====================================================================
11 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
12 * ECC cipher suite support in OpenSSL originally developed by
13 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
14 */
15 /* ====================================================================
16 * Copyright 2005 Nokia. All rights reserved.
17 *
18 * The portions of the attached software ("Contribution") is developed by
19 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
20 * license.
21 *
22 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
23 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
24 * support (see RFC 4279) to OpenSSL.
25 *
26 * No patent licenses or other rights except those expressly stated in
27 * the OpenSSL open source license shall be deemed granted or received
28 * expressly, by implication, estoppel, or otherwise.
29 *
30 * No assurances are provided by Nokia that the Contribution does not
31 * infringe the patent or other intellectual property rights of any third
32 * party or that the license provides you with all the necessary rights
33 * to make use of the Contribution.
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
36 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
37 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
38 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
39 * OTHERWISE.
40 */
41
42 #include <ctype.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46 #include <openssl/async.h>
47 #include <openssl/ssl.h>
48
49 #include <openssl/e_os2.h>
50
51 #ifndef OPENSSL_NO_SOCK
52
53 /*
54 * With IPv6, it looks like Digital has mixed up the proper order of
55 * recursive header file inclusion, resulting in the compiler complaining
56 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
57 * needed to have fileno() declared correctly... So let's define u_int
58 */
59 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
60 # define __U_INT
61 typedef unsigned int u_int;
62 #endif
63
64 #include <openssl/lhash.h>
65 #include <openssl/bn.h>
66 #define USE_SOCKETS
67 #include "apps.h"
68 #include <openssl/err.h>
69 #include <openssl/pem.h>
70 #include <openssl/x509.h>
71 #include <openssl/ssl.h>
72 #include <openssl/rand.h>
73 #include <openssl/ocsp.h>
74 #ifndef OPENSSL_NO_DH
75 # include <openssl/dh.h>
76 #endif
77 #ifndef OPENSSL_NO_RSA
78 # include <openssl/rsa.h>
79 #endif
80 #ifndef OPENSSL_NO_SRP
81 # include <openssl/srp.h>
82 #endif
83 #include "s_apps.h"
84 #include "timeouts.h"
85 #ifdef CHARSET_EBCDIC
86 #include <openssl/ebcdic.h>
87 #endif
88
89 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
90 static int sv_body(int s, int stype, unsigned char *context);
91 static int www_body(int s, int stype, unsigned char *context);
92 static int rev_body(int s, int stype, unsigned char *context);
93 static void close_accept_socket(void);
94 static int init_ssl_connection(SSL *s);
95 static void print_stats(BIO *bp, SSL_CTX *ctx);
96 static int generate_session_id(const SSL *ssl, unsigned char *id,
97 unsigned int *id_len);
98 static void init_session_cache_ctx(SSL_CTX *sctx);
99 static void free_sessions(void);
100 #ifndef OPENSSL_NO_DH
101 static DH *load_dh_param(const char *dhfile);
102 #endif
103
104 static void s_server_init(void);
105
106 /* static int load_CA(SSL_CTX *ctx, char *file);*/
107
108 #undef BUFSIZZ
109 #define BUFSIZZ 16*1024
110 static int bufsize = BUFSIZZ;
111 static int accept_socket = -1;
112
113 #define TEST_CERT "server.pem"
114 #define TEST_CERT2 "server2.pem"
115
116
117 static int s_server_verify = SSL_VERIFY_NONE;
118 static int s_server_session_id_context = 1; /* anything will do */
119 static const char *s_cert_file = TEST_CERT, *s_key_file =
120 NULL, *s_chain_file = NULL;
121
122 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
123 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
124 static int s_nbio = 0;
125 static int s_nbio_test = 0;
126 static int s_crlf = 0;
127 static SSL_CTX *ctx = NULL;
128 static SSL_CTX *ctx2 = NULL;
129 static int www = 0;
130
131 static BIO *bio_s_out = NULL;
132 static BIO *bio_s_msg = NULL;
133 static int s_debug = 0;
134 static int s_tlsextdebug = 0;
135 static int s_tlsextstatus = 0;
136 static int no_resume_ephemeral = 0;
137 static int s_msg = 0;
138 static int s_quiet = 0;
139 static int s_ign_eof = 0;
140 static int s_brief = 0;
141
142 static char *keymatexportlabel = NULL;
143 static int keymatexportlen = 20;
144
145 static int async = 0;
146 static unsigned int split_send_fragment = 0;
147 static unsigned int max_pipelines = 0;
148
149 static const char *session_id_prefix = NULL;
150
151 #ifndef OPENSSL_NO_DTLS
152 static int enable_timeouts = 0;
153 static long socket_mtu;
154
155 #endif
156 static int dtlslisten = 0;
157
158 static const char *s_serverinfo_file = NULL;
159
160 #ifndef OPENSSL_NO_PSK
161 static char *psk_identity = "Client_identity";
162 char *psk_key = NULL; /* by default PSK is not used */
163
164 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
165 unsigned char *psk,
166 unsigned int max_psk_len)
167 {
168 long key_len = 0;
169 unsigned char *key;
170
171 if (s_debug)
172 BIO_printf(bio_s_out, "psk_server_cb\n");
173 if (!identity) {
174 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
175 goto out_err;
176 }
177 if (s_debug)
178 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
179 (int)strlen(identity), identity);
180
181 /* here we could lookup the given identity e.g. from a database */
182 if (strcmp(identity, psk_identity) != 0) {
183 BIO_printf(bio_s_out, "PSK error: client identity not found"
184 " (got '%s' expected '%s')\n", identity, psk_identity);
185 goto out_err;
186 }
187 if (s_debug)
188 BIO_printf(bio_s_out, "PSK client identity found\n");
189
190 /* convert the PSK key to binary */
191 key = OPENSSL_hexstr2buf(psk_key, &key_len);
192 if (key == NULL) {
193 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
194 psk_key);
195 return 0;
196 }
197 if (key_len > (int)max_psk_len) {
198 BIO_printf(bio_err,
199 "psk buffer of callback is too small (%d) for key (%ld)\n",
200 max_psk_len, key_len);
201 OPENSSL_free(key);
202 return 0;
203 }
204
205 memcpy(psk, key, key_len);
206 OPENSSL_free(key);
207
208 if (s_debug)
209 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
210 return key_len;
211 out_err:
212 if (s_debug)
213 BIO_printf(bio_err, "Error in PSK server callback\n");
214 (void)BIO_flush(bio_err);
215 (void)BIO_flush(bio_s_out);
216 return 0;
217 }
218 #endif
219
220 #ifndef OPENSSL_NO_SRP
221 /* This is a context that we pass to callbacks */
222 typedef struct srpsrvparm_st {
223 char *login;
224 SRP_VBASE *vb;
225 SRP_user_pwd *user;
226 } srpsrvparm;
227
228 /*
229 * This callback pretends to require some asynchronous logic in order to
230 * obtain a verifier. When the callback is called for a new connection we
231 * return with a negative value. This will provoke the accept etc to return
232 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
233 * (which would normally occur after a worker has finished) and we set the
234 * user parameters.
235 */
236 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
237 {
238 srpsrvparm *p = (srpsrvparm *) arg;
239 int ret = SSL3_AL_FATAL;
240
241 if (p->login == NULL && p->user == NULL) {
242 p->login = SSL_get_srp_username(s);
243 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
244 return (-1);
245 }
246
247 if (p->user == NULL) {
248 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
249 goto err;
250 }
251
252 if (SSL_set_srp_server_param
253 (s, p->user->N, p->user->g, p->user->s, p->user->v,
254 p->user->info) < 0) {
255 *ad = SSL_AD_INTERNAL_ERROR;
256 goto err;
257 }
258 BIO_printf(bio_err,
259 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
260 p->login, p->user->info);
261 ret = SSL_ERROR_NONE;
262
263 err:
264 SRP_user_pwd_free(p->user);
265 p->user = NULL;
266 p->login = NULL;
267 return ret;
268 }
269
270 #endif
271
272 static void s_server_init(void)
273 {
274 accept_socket = -1;
275 s_server_verify = SSL_VERIFY_NONE;
276 s_dcert_file = NULL;
277 s_dkey_file = NULL;
278 s_dchain_file = NULL;
279 s_cert_file = TEST_CERT;
280 s_key_file = NULL;
281 s_chain_file = NULL;
282 s_cert_file2 = TEST_CERT2;
283 s_key_file2 = NULL;
284 ctx2 = NULL;
285 s_nbio = 0;
286 s_nbio_test = 0;
287 ctx = NULL;
288 www = 0;
289 bio_s_out = NULL;
290 s_debug = 0;
291 s_msg = 0;
292 s_quiet = 0;
293 s_brief = 0;
294 async = 0;
295 split_send_fragment = 0;
296 max_pipelines = 0;
297 }
298
299 static int local_argc = 0;
300 static char **local_argv;
301
302 #ifdef CHARSET_EBCDIC
303 static int ebcdic_new(BIO *bi);
304 static int ebcdic_free(BIO *a);
305 static int ebcdic_read(BIO *b, char *out, int outl);
306 static int ebcdic_write(BIO *b, const char *in, int inl);
307 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
308 static int ebcdic_gets(BIO *bp, char *buf, int size);
309 static int ebcdic_puts(BIO *bp, const char *str);
310
311 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
312 static BIO_METHOD *methods_ebcdic = NULL;
313
314 /* This struct is "unwarranted chumminess with the compiler." */
315 typedef struct {
316 size_t alloced;
317 char buff[1];
318 } EBCDIC_OUTBUFF;
319
320 static const BIO_METHOD *BIO_f_ebcdic_filter()
321 {
322 if (methods_ebcdic == NULL) {
323 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
324 "EBCDIC/ASCII filter");
325 if ( methods_ebcdic == NULL
326 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
327 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
328 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
329 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
330 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
331 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
332 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
333 return NULL;
334 }
335 return methods_ebcdic;
336 }
337
338 static int ebcdic_new(BIO *bi)
339 {
340 EBCDIC_OUTBUFF *wbuf;
341
342 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
343 wbuf->alloced = 1024;
344 wbuf->buff[0] = '\0';
345
346 BIO_set_data(bi, wbuf);
347 BIO_set_init(bi, 1);
348 return 1;
349 }
350
351 static int ebcdic_free(BIO *a)
352 {
353 EBCDIC_OUTBUFF *wbuf;
354
355 if (a == NULL)
356 return 0;
357 wbuf = BIO_get_data(a);
358 OPENSSL_free(wbuf);
359 BIO_set_data(a, NULL);
360 BIO_set_init(a, 0);
361
362 return 1;
363 }
364
365 static int ebcdic_read(BIO *b, char *out, int outl)
366 {
367 int ret = 0;
368 BIO *next = BIO_next(b);
369
370 if (out == NULL || outl == 0)
371 return (0);
372 if (next == NULL)
373 return (0);
374
375 ret = BIO_read(next, out, outl);
376 if (ret > 0)
377 ascii2ebcdic(out, out, ret);
378 return ret;
379 }
380
381 static int ebcdic_write(BIO *b, const char *in, int inl)
382 {
383 EBCDIC_OUTBUFF *wbuf;
384 BIO *next = BIO_next(b);
385 int ret = 0;
386 int num;
387
388 if ((in == NULL) || (inl <= 0))
389 return (0);
390 if (next == NULL)
391 return 0;
392
393 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
394
395 if (inl > (num = wbuf->alloced)) {
396 num = num + num; /* double the size */
397 if (num < inl)
398 num = inl;
399 OPENSSL_free(wbuf);
400 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
401
402 wbuf->alloced = num;
403 wbuf->buff[0] = '\0';
404
405 BIO_set_data(b, wbuf);
406 }
407
408 ebcdic2ascii(wbuf->buff, in, inl);
409
410 ret = BIO_write(next, wbuf->buff, inl);
411
412 return (ret);
413 }
414
415 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
416 {
417 long ret;
418 BIO *next = BIO_next(b);
419
420 if (next == NULL)
421 return (0);
422 switch (cmd) {
423 case BIO_CTRL_DUP:
424 ret = 0L;
425 break;
426 default:
427 ret = BIO_ctrl(next, cmd, num, ptr);
428 break;
429 }
430 return (ret);
431 }
432
433 static int ebcdic_gets(BIO *bp, char *buf, int size)
434 {
435 int i, ret = 0;
436 BIO *next = BIO_next(bp);
437
438 if (next == NULL)
439 return 0;
440 /* return(BIO_gets(bp->next_bio,buf,size));*/
441 for (i = 0; i < size - 1; ++i) {
442 ret = ebcdic_read(bp, &buf[i], 1);
443 if (ret <= 0)
444 break;
445 else if (buf[i] == '\n') {
446 ++i;
447 break;
448 }
449 }
450 if (i < size)
451 buf[i] = '\0';
452 return (ret < 0 && i == 0) ? ret : i;
453 }
454
455 static int ebcdic_puts(BIO *bp, const char *str)
456 {
457 if (BIO_next(bp) == NULL)
458 return 0;
459 return ebcdic_write(bp, str, strlen(str));
460 }
461 #endif
462
463 /* This is a context that we pass to callbacks */
464 typedef struct tlsextctx_st {
465 char *servername;
466 BIO *biodebug;
467 int extension_error;
468 } tlsextctx;
469
470 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
471 {
472 tlsextctx *p = (tlsextctx *) arg;
473 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
474 if (servername && p->biodebug)
475 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
476 servername);
477
478 if (!p->servername)
479 return SSL_TLSEXT_ERR_NOACK;
480
481 if (servername) {
482 if (strcasecmp(servername, p->servername))
483 return p->extension_error;
484 if (ctx2) {
485 BIO_printf(p->biodebug, "Switching server context.\n");
486 SSL_set_SSL_CTX(s, ctx2);
487 }
488 }
489 return SSL_TLSEXT_ERR_OK;
490 }
491
492 /* Structure passed to cert status callback */
493
494 typedef struct tlsextstatusctx_st {
495 /* Default responder to use */
496 char *host, *path, *port;
497 int use_ssl;
498 int timeout;
499 int verbose;
500 } tlsextstatusctx;
501
502 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
503
504 #ifndef OPENSSL_NO_OCSP
505 /*
506 * Certificate Status callback. This is called when a client includes a
507 * certificate status request extension. This is a simplified version. It
508 * examines certificates each time and makes one OCSP responder query for
509 * each request. A full version would store details such as the OCSP
510 * certificate IDs and minimise the number of OCSP responses by caching them
511 * until they were considered "expired".
512 */
513
514 static int cert_status_cb(SSL *s, void *arg)
515 {
516 tlsextstatusctx *srctx = arg;
517 char *host = NULL, *port = NULL, *path = NULL;
518 int use_ssl;
519 unsigned char *rspder = NULL;
520 int rspderlen;
521 STACK_OF(OPENSSL_STRING) *aia = NULL;
522 X509 *x = NULL;
523 X509_STORE_CTX *inctx = NULL;
524 X509_OBJECT *obj;
525 OCSP_REQUEST *req = NULL;
526 OCSP_RESPONSE *resp = NULL;
527 OCSP_CERTID *id = NULL;
528 STACK_OF(X509_EXTENSION) *exts;
529 int ret = SSL_TLSEXT_ERR_NOACK;
530 int i;
531
532 if (srctx->verbose)
533 BIO_puts(bio_err, "cert_status: callback called\n");
534 /* Build up OCSP query from server certificate */
535 x = SSL_get_certificate(s);
536 aia = X509_get1_ocsp(x);
537 if (aia) {
538 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
539 &host, &port, &path, &use_ssl)) {
540 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
541 goto err;
542 }
543 if (srctx->verbose)
544 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
545 sk_OPENSSL_STRING_value(aia, 0));
546 } else {
547 if (!srctx->host) {
548 BIO_puts(bio_err,
549 "cert_status: no AIA and no default responder URL\n");
550 goto done;
551 }
552 host = srctx->host;
553 path = srctx->path;
554 port = srctx->port;
555 use_ssl = srctx->use_ssl;
556 }
557
558 inctx = X509_STORE_CTX_new();
559 if (inctx == NULL)
560 goto err;
561 if (!X509_STORE_CTX_init(inctx,
562 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
563 NULL, NULL))
564 goto err;
565 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
566 X509_get_issuer_name(x));
567 if (obj == NULL) {
568 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
569 goto done;
570 }
571 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
572 X509_OBJECT_free(obj);
573 if (!id)
574 goto err;
575 req = OCSP_REQUEST_new();
576 if (req == NULL)
577 goto err;
578 if (!OCSP_request_add0_id(req, id))
579 goto err;
580 id = NULL;
581 /* Add any extensions to the request */
582 SSL_get_tlsext_status_exts(s, &exts);
583 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
584 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
585 if (!OCSP_REQUEST_add_ext(req, ext, -1))
586 goto err;
587 }
588 resp = process_responder(req, host, path, port, use_ssl, NULL,
589 srctx->timeout);
590 if (!resp) {
591 BIO_puts(bio_err, "cert_status: error querying responder\n");
592 goto done;
593 }
594 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
595 if (rspderlen <= 0)
596 goto err;
597 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
598 if (srctx->verbose) {
599 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
600 OCSP_RESPONSE_print(bio_err, resp, 2);
601 }
602 ret = SSL_TLSEXT_ERR_OK;
603 goto done;
604
605 err:
606 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
607 done:
608 if (ret != SSL_TLSEXT_ERR_OK)
609 ERR_print_errors(bio_err);
610 if (aia) {
611 OPENSSL_free(host);
612 OPENSSL_free(path);
613 OPENSSL_free(port);
614 X509_email_free(aia);
615 }
616 OCSP_CERTID_free(id);
617 OCSP_REQUEST_free(req);
618 OCSP_RESPONSE_free(resp);
619 X509_STORE_CTX_free(inctx);
620 return ret;
621 }
622 #endif
623
624 #ifndef OPENSSL_NO_NEXTPROTONEG
625 /* This is the context that we pass to next_proto_cb */
626 typedef struct tlsextnextprotoctx_st {
627 unsigned char *data;
628 unsigned int len;
629 } tlsextnextprotoctx;
630
631 static int next_proto_cb(SSL *s, const unsigned char **data,
632 unsigned int *len, void *arg)
633 {
634 tlsextnextprotoctx *next_proto = arg;
635
636 *data = next_proto->data;
637 *len = next_proto->len;
638
639 return SSL_TLSEXT_ERR_OK;
640 }
641 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
642
643 /* This the context that we pass to alpn_cb */
644 typedef struct tlsextalpnctx_st {
645 unsigned char *data;
646 size_t len;
647 } tlsextalpnctx;
648
649 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
650 const unsigned char *in, unsigned int inlen, void *arg)
651 {
652 tlsextalpnctx *alpn_ctx = arg;
653
654 if (!s_quiet) {
655 /* We can assume that |in| is syntactically valid. */
656 unsigned int i;
657 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
658 for (i = 0; i < inlen;) {
659 if (i)
660 BIO_write(bio_s_out, ", ", 2);
661 BIO_write(bio_s_out, &in[i + 1], in[i]);
662 i += in[i] + 1;
663 }
664 BIO_write(bio_s_out, "\n", 1);
665 }
666
667 if (SSL_select_next_proto
668 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
669 inlen) != OPENSSL_NPN_NEGOTIATED) {
670 return SSL_TLSEXT_ERR_NOACK;
671 }
672
673 if (!s_quiet) {
674 BIO_printf(bio_s_out, "ALPN protocols selected: ");
675 BIO_write(bio_s_out, *out, *outlen);
676 BIO_write(bio_s_out, "\n", 1);
677 }
678
679 return SSL_TLSEXT_ERR_OK;
680 }
681
682 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
683 {
684 /* disable resumption for sessions with forward secure ciphers */
685 return is_forward_secure;
686 }
687
688 #ifndef OPENSSL_NO_SRP
689 static srpsrvparm srp_callback_parm;
690 #endif
691 #ifndef OPENSSL_NO_SRTP
692 static char *srtp_profiles = NULL;
693 #endif
694
695 typedef enum OPTION_choice {
696 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
697 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
698 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
699 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
700 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
701 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
702 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
703 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
704 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
705 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
706 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
707 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE,
708 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF,
709 OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
710 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
711 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
712 OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
713 OPT_SSL3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
714 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
715 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
716 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
717 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
718 OPT_S_ENUM,
719 OPT_V_ENUM,
720 OPT_X_ENUM
721 } OPTION_CHOICE;
722
723 OPTIONS s_server_options[] = {
724 {"help", OPT_HELP, '-', "Display this summary"},
725 {"port", OPT_PORT, 'p',
726 "TCP/IP port to listen on for connections (default is " PORT ")"},
727 {"accept", OPT_ACCEPT, 's',
728 "TCP/IP optional host and port to accept on (default is " PORT ")"},
729 #ifdef AF_UNIX
730 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
731 #endif
732 {"4", OPT_4, '-', "Use IPv4 only"},
733 {"6", OPT_6, '-', "Use IPv6 only"},
734 #ifdef AF_UNIX
735 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
736 #endif
737 {"context", OPT_CONTEXT, 's', "Set session ID context"},
738 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
739 {"Verify", OPT_UPPER_V_VERIFY, 'n',
740 "Turn on peer certificate verification, must have a cert"},
741 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
742 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
743 {"serverinfo", OPT_SERVERINFO, 's',
744 "PEM serverinfo file for certificate"},
745 {"certform", OPT_CERTFORM, 'F',
746 "Certificate format (PEM or DER) PEM default"},
747 {"key", OPT_KEY, '<',
748 "Private Key if not in -cert; default is " TEST_CERT},
749 {"keyform", OPT_KEYFORM, 'f',
750 "Key format (PEM, DER or ENGINE) PEM default"},
751 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
752 {"dcert", OPT_DCERT, '<',
753 "Second certificate file to use (usually for DSA)"},
754 {"dcertform", OPT_DCERTFORM, 'F',
755 "Second certificate format (PEM or DER) PEM default"},
756 {"dkey", OPT_DKEY, '<',
757 "Second private key file to use (usually for DSA)"},
758 {"dkeyform", OPT_DKEYFORM, 'F',
759 "Second key format (PEM, DER or ENGINE) PEM default"},
760 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
761 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
762 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
763 {"debug", OPT_DEBUG, '-', "Print more output"},
764 {"msg", OPT_MSG, '-', "Show protocol messages"},
765 {"msgfile", OPT_MSGFILE, '>',
766 "File to send output of -msg or -trace, instead of stdout"},
767 {"state", OPT_STATE, '-', "Print the SSL states"},
768 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
769 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
770 {"no-CAfile", OPT_NOCAFILE, '-',
771 "Do not load the default certificates file"},
772 {"no-CApath", OPT_NOCAPATH, '-',
773 "Do not load certificates from the default certificates directory"},
774 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
775 {"quiet", OPT_QUIET, '-', "No server output"},
776 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
777 "Disable caching and tickets if ephemeral (EC)DH is used"},
778 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
779 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
780 {"servername", OPT_SERVERNAME, 's',
781 "Servername for HostName TLS extension"},
782 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
783 "mismatch send fatal alert (default warning alert)"},
784 {"cert2", OPT_CERT2, '<',
785 "Certificate file to use for servername; default is" TEST_CERT2},
786 {"key2", OPT_KEY2, '<',
787 "-Private Key file to use for servername if not in -cert2"},
788 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
789 "Hex dump of all TLS extensions received"},
790 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
791 {"id_prefix", OPT_ID_PREFIX, 's',
792 "Generate SSL/TLS session IDs prefixed by arg"},
793 {"rand", OPT_RAND, 's',
794 "Load the file(s) into the random number generator"},
795 {"keymatexport", OPT_KEYMATEXPORT, 's',
796 "Export keying material using label"},
797 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
798 "Export len bytes of keying material (default 20)"},
799 {"CRL", OPT_CRL, '<', "CRL file to use"},
800 {"crl_download", OPT_CRL_DOWNLOAD, '-',
801 "Download CRL from distribution points"},
802 {"cert_chain", OPT_CERT_CHAIN, '<',
803 "certificate chain file in PEM format"},
804 {"dcert_chain", OPT_DCERT_CHAIN, '<',
805 "second certificate chain file in PEM format"},
806 {"chainCApath", OPT_CHAINCAPATH, '/',
807 "use dir as certificate store path to build CA certificate chain"},
808 {"verifyCApath", OPT_VERIFYCAPATH, '/',
809 "use dir as certificate store path to verify CA certificate"},
810 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
811 {"ext_cache", OPT_EXT_CACHE, '-',
812 "Disable internal cache, setup and use external cache"},
813 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default" },
814 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
815 "Close connection on verification error"},
816 {"verify_quiet", OPT_VERIFY_QUIET, '-',
817 "No verify output except verify errors"},
818 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
819 {"chainCAfile", OPT_CHAINCAFILE, '<',
820 "CA file for certificate chain (PEM format)"},
821 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
822 "CA file for certificate verification (PEM format)"},
823 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
824 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
825 #ifndef OPENSSL_NO_OCSP
826 {"status", OPT_STATUS, '-', "Request certificate status from server"},
827 {"status_verbose", OPT_STATUS_VERBOSE, '-',
828 "Print more output in certificate status callback"},
829 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
830 "Status request responder timeout"},
831 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
832 #endif
833 #ifndef OPENSSL_NO_SSL_TRACE
834 {"trace", OPT_TRACE, '-', "trace protocol messages"},
835 #endif
836 {"security_debug", OPT_SECURITY_DEBUG, '-',
837 "Print output from SSL/TLS security framework"},
838 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
839 "Print more output from SSL/TLS security framework"},
840 {"brief", OPT_BRIEF, '-', \
841 "Restrict output to brief summary of connection parameters"},
842 {"rev", OPT_REV, '-',
843 "act as a simple test server which just sends back with the received text reversed"},
844 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
845 {"ssl_config", OPT_SSL_CONFIG, 's', \
846 "Configure SSL_CTX using the configuration 'val'"},
847 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
848 "Size used to split data for encrypt pipelines"},
849 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
850 "Maximum number of encrypt/decrypt pipelines to be used"},
851 {"read_buf", OPT_READ_BUF, 'n',
852 "Default read buffer size to be used for connections"},
853 OPT_S_OPTIONS,
854 OPT_V_OPTIONS,
855 OPT_X_OPTIONS,
856 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
857 #ifndef OPENSSL_NO_PSK
858 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
859 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
860 #endif
861 #ifndef OPENSSL_NO_SRP
862 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
863 {"srpuserseed", OPT_SRPUSERSEED, 's',
864 "A seed string for a default user salt"},
865 #endif
866 #ifndef OPENSSL_NO_SSL3
867 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
868 #endif
869 #ifndef OPENSSL_NO_TLS1
870 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
871 #endif
872 #ifndef OPENSSL_NO_TLS1_1
873 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
874 #endif
875 #ifndef OPENSSL_NO_TLS1_2
876 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
877 #endif
878 #ifndef OPENSSL_NO_DTLS
879 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
880 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
881 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
882 {"listen", OPT_LISTEN, '-',
883 "Listen for a DTLS ClientHello with a cookie and then connect"},
884 #endif
885 #ifndef OPENSSL_NO_DTLS1
886 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
887 #endif
888 #ifndef OPENSSL_NO_DTLS1_2
889 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
890 #endif
891 #ifndef OPENSSL_NO_DH
892 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
893 #endif
894 #ifndef OPENSSL_NO_NEXTPROTONEG
895 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
896 "Set the advertised protocols for the NPN extension (comma-separated list)"},
897 #endif
898 #ifndef OPENSSL_NO_SRTP
899 {"use_srtp", OPT_SRTP_PROFILES, 's',
900 "Offer SRTP key management with a colon-separated profile list"},
901 #endif
902 {"alpn", OPT_ALPN, 's',
903 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
904 #ifndef OPENSSL_NO_ENGINE
905 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
906 #endif
907 {NULL, OPT_EOF, 0, NULL}
908 };
909
910 #define IS_PROT_FLAG(o) \
911 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
912 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
913
914 int s_server_main(int argc, char *argv[])
915 {
916 ENGINE *engine = NULL;
917 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
918 SSL_CONF_CTX *cctx = NULL;
919 const SSL_METHOD *meth = TLS_server_method();
920 SSL_EXCERT *exc = NULL;
921 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
922 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
923 STACK_OF(X509_CRL) *crls = NULL;
924 X509 *s_cert = NULL, *s_dcert = NULL;
925 X509_VERIFY_PARAM *vpm = NULL;
926 char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
927 #ifndef OPENSSL_NO_DH
928 char *dhfile = NULL;
929 #endif
930 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
931 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
932 char *crl_file = NULL, *prog;
933 #ifndef OPENSSL_NO_PSK
934 char *p;
935 #endif
936 #ifdef AF_UNIX
937 int unlink_unix_path = 0;
938 #endif
939 do_server_cb server_cb;
940 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
941 #ifndef OPENSSL_NO_DH
942 int no_dhe = 0;
943 #endif
944 int nocert = 0, ret = 1;
945 int noCApath = 0, noCAfile = 0;
946 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
947 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
948 int rev = 0, naccept = -1, sdebug = 0;
949 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
950 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
951 char *host = NULL;
952 char *port = BUF_strdup(PORT);
953 unsigned char *context = NULL;
954 OPTION_CHOICE o;
955 EVP_PKEY *s_key2 = NULL;
956 X509 *s_cert2 = NULL;
957 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
958 const char *ssl_config = NULL;
959 int read_buf_len = 0;
960 #ifndef OPENSSL_NO_NEXTPROTONEG
961 const char *next_proto_neg_in = NULL;
962 tlsextnextprotoctx next_proto = { NULL, 0 };
963 #endif
964 const char *alpn_in = NULL;
965 tlsextalpnctx alpn_ctx = { NULL, 0 };
966 #ifndef OPENSSL_NO_PSK
967 /* by default do not send a PSK identity hint */
968 static char *psk_identity_hint = NULL;
969 #endif
970 #ifndef OPENSSL_NO_SRP
971 char *srpuserseed = NULL;
972 char *srp_verifier_file = NULL;
973 #endif
974 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
975
976 local_argc = argc;
977 local_argv = argv;
978
979 s_server_init();
980 cctx = SSL_CONF_CTX_new();
981 vpm = X509_VERIFY_PARAM_new();
982 if (cctx == NULL || vpm == NULL)
983 goto end;
984 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
985
986 prog = opt_init(argc, argv, s_server_options);
987 while ((o = opt_next()) != OPT_EOF) {
988 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
989 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
990 goto end;
991 }
992 if (IS_NO_PROT_FLAG(o))
993 no_prot_opt++;
994 if (prot_opt == 1 && no_prot_opt) {
995 BIO_printf(bio_err, "Cannot supply both a protocol flag and "
996 "\"-no_<prot>\"\n");
997 goto end;
998 }
999 switch (o) {
1000 case OPT_EOF:
1001 case OPT_ERR:
1002 opthelp:
1003 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1004 goto end;
1005 case OPT_HELP:
1006 opt_help(s_server_options);
1007 ret = 0;
1008 goto end;
1009
1010 case OPT_4:
1011 #ifdef AF_UNIX
1012 if (socket_family == AF_UNIX) {
1013 OPENSSL_free(host); host = NULL;
1014 OPENSSL_free(port); port = NULL;
1015 }
1016 #endif
1017 socket_family = AF_INET;
1018 break;
1019 case OPT_6:
1020 if (1) {
1021 #ifdef AF_INET6
1022 #ifdef AF_UNIX
1023 if (socket_family == AF_UNIX) {
1024 OPENSSL_free(host); host = NULL;
1025 OPENSSL_free(port); port = NULL;
1026 }
1027 #endif
1028 socket_family = AF_INET6;
1029 } else {
1030 #endif
1031 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1032 goto end;
1033 }
1034 break;
1035 case OPT_PORT:
1036 #ifdef AF_UNIX
1037 if (socket_family == AF_UNIX) {
1038 socket_family = AF_UNSPEC;
1039 }
1040 #endif
1041 OPENSSL_free(port); port = NULL;
1042 OPENSSL_free(host); host = NULL;
1043 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1044 BIO_printf(bio_err,
1045 "%s: -port argument malformed or ambiguous\n",
1046 port);
1047 goto end;
1048 }
1049 break;
1050 case OPT_ACCEPT:
1051 #ifdef AF_UNIX
1052 if (socket_family == AF_UNIX) {
1053 socket_family = AF_UNSPEC;
1054 }
1055 #endif
1056 OPENSSL_free(port); port = NULL;
1057 OPENSSL_free(host); host = NULL;
1058 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1059 BIO_printf(bio_err,
1060 "%s: -accept argument malformed or ambiguous\n",
1061 port);
1062 goto end;
1063 }
1064 break;
1065 #ifdef AF_UNIX
1066 case OPT_UNIX:
1067 socket_family = AF_UNIX;
1068 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1069 OPENSSL_free(port); port = NULL;
1070 break;
1071 case OPT_UNLINK:
1072 unlink_unix_path = 1;
1073 break;
1074 #endif
1075 case OPT_NACCEPT:
1076 naccept = atol(opt_arg());
1077 break;
1078 case OPT_VERIFY:
1079 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1080 verify_args.depth = atoi(opt_arg());
1081 if (!s_quiet)
1082 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1083 break;
1084 case OPT_UPPER_V_VERIFY:
1085 s_server_verify =
1086 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1087 SSL_VERIFY_CLIENT_ONCE;
1088 verify_args.depth = atoi(opt_arg());
1089 if (!s_quiet)
1090 BIO_printf(bio_err,
1091 "verify depth is %d, must return a certificate\n",
1092 verify_args.depth);
1093 break;
1094 case OPT_CONTEXT:
1095 context = (unsigned char *)opt_arg();
1096 break;
1097 case OPT_CERT:
1098 s_cert_file = opt_arg();
1099 break;
1100 case OPT_CRL:
1101 crl_file = opt_arg();
1102 break;
1103 case OPT_CRL_DOWNLOAD:
1104 crl_download = 1;
1105 break;
1106 case OPT_SERVERINFO:
1107 s_serverinfo_file = opt_arg();
1108 break;
1109 case OPT_CERTFORM:
1110 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1111 goto opthelp;
1112 break;
1113 case OPT_KEY:
1114 s_key_file = opt_arg();
1115 break;
1116 case OPT_KEYFORM:
1117 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1118 goto opthelp;
1119 break;
1120 case OPT_PASS:
1121 passarg = opt_arg();
1122 break;
1123 case OPT_CERT_CHAIN:
1124 s_chain_file = opt_arg();
1125 break;
1126 case OPT_DHPARAM:
1127 #ifndef OPENSSL_NO_DH
1128 dhfile = opt_arg();
1129 #endif
1130 break;
1131 case OPT_DCERTFORM:
1132 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1133 goto opthelp;
1134 break;
1135 case OPT_DCERT:
1136 s_dcert_file = opt_arg();
1137 break;
1138 case OPT_DKEYFORM:
1139 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1140 goto opthelp;
1141 break;
1142 case OPT_DPASS:
1143 dpassarg = opt_arg();
1144 break;
1145 case OPT_DKEY:
1146 s_dkey_file = opt_arg();
1147 break;
1148 case OPT_DCERT_CHAIN:
1149 s_dchain_file = opt_arg();
1150 break;
1151 case OPT_NOCERT:
1152 nocert = 1;
1153 break;
1154 case OPT_CAPATH:
1155 CApath = opt_arg();
1156 break;
1157 case OPT_NOCAPATH:
1158 noCApath = 1;
1159 break;
1160 case OPT_CHAINCAPATH:
1161 chCApath = opt_arg();
1162 break;
1163 case OPT_VERIFYCAPATH:
1164 vfyCApath = opt_arg();
1165 break;
1166 case OPT_NO_CACHE:
1167 no_cache = 1;
1168 break;
1169 case OPT_EXT_CACHE:
1170 ext_cache = 1;
1171 break;
1172 case OPT_CRLFORM:
1173 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1174 goto opthelp;
1175 break;
1176 case OPT_S_CASES:
1177 if (ssl_args == NULL)
1178 ssl_args = sk_OPENSSL_STRING_new_null();
1179 if (ssl_args == NULL
1180 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1181 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1182 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1183 goto end;
1184 }
1185 break;
1186 case OPT_V_CASES:
1187 if (!opt_verify(o, vpm))
1188 goto end;
1189 vpmtouched++;
1190 break;
1191 case OPT_X_CASES:
1192 if (!args_excert(o, &exc))
1193 goto end;
1194 break;
1195 case OPT_VERIFY_RET_ERROR:
1196 verify_args.return_error = 1;
1197 break;
1198 case OPT_VERIFY_QUIET:
1199 verify_args.quiet = 1;
1200 break;
1201 case OPT_BUILD_CHAIN:
1202 build_chain = 1;
1203 break;
1204 case OPT_CAFILE:
1205 CAfile = opt_arg();
1206 break;
1207 case OPT_NOCAFILE:
1208 noCAfile = 1;
1209 break;
1210 case OPT_CHAINCAFILE:
1211 chCAfile = opt_arg();
1212 break;
1213 case OPT_VERIFYCAFILE:
1214 vfyCAfile = opt_arg();
1215 break;
1216 case OPT_NBIO:
1217 s_nbio = 1;
1218 break;
1219 case OPT_NBIO_TEST:
1220 s_nbio = s_nbio_test = 1;
1221 break;
1222 case OPT_IGN_EOF:
1223 s_ign_eof = 1;
1224 break;
1225 case OPT_NO_IGN_EOF:
1226 s_ign_eof = 0;
1227 break;
1228 case OPT_DEBUG:
1229 s_debug = 1;
1230 break;
1231 case OPT_TLSEXTDEBUG:
1232 s_tlsextdebug = 1;
1233 break;
1234 case OPT_STATUS:
1235 s_tlsextstatus = 1;
1236 break;
1237 case OPT_STATUS_VERBOSE:
1238 s_tlsextstatus = tlscstatp.verbose = 1;
1239 break;
1240 case OPT_STATUS_TIMEOUT:
1241 s_tlsextstatus = 1;
1242 tlscstatp.timeout = atoi(opt_arg());
1243 break;
1244 case OPT_STATUS_URL:
1245 #ifndef OPENSSL_NO_OCSP
1246 s_tlsextstatus = 1;
1247 if (!OCSP_parse_url(opt_arg(),
1248 &tlscstatp.host,
1249 &tlscstatp.port,
1250 &tlscstatp.path, &tlscstatp.use_ssl)) {
1251 BIO_printf(bio_err, "Error parsing URL\n");
1252 goto end;
1253 }
1254 #endif
1255 break;
1256 case OPT_MSG:
1257 s_msg = 1;
1258 break;
1259 case OPT_MSGFILE:
1260 bio_s_msg = BIO_new_file(opt_arg(), "w");
1261 break;
1262 case OPT_TRACE:
1263 #ifndef OPENSSL_NO_SSL_TRACE
1264 s_msg = 2;
1265 #endif
1266 break;
1267 case OPT_SECURITY_DEBUG:
1268 sdebug = 1;
1269 break;
1270 case OPT_SECURITY_DEBUG_VERBOSE:
1271 sdebug = 2;
1272 break;
1273 case OPT_STATE:
1274 state = 1;
1275 break;
1276 case OPT_CRLF:
1277 s_crlf = 1;
1278 break;
1279 case OPT_QUIET:
1280 s_quiet = 1;
1281 break;
1282 case OPT_BRIEF:
1283 s_quiet = s_brief = verify_args.quiet = 1;
1284 break;
1285 case OPT_NO_DHE:
1286 #ifndef OPENSSL_NO_DH
1287 no_dhe = 1;
1288 #endif
1289 break;
1290 case OPT_NO_RESUME_EPHEMERAL:
1291 no_resume_ephemeral = 1;
1292 break;
1293 case OPT_PSK_HINT:
1294 #ifndef OPENSSL_NO_PSK
1295 psk_identity_hint = opt_arg();
1296 #endif
1297 break;
1298 case OPT_PSK:
1299 #ifndef OPENSSL_NO_PSK
1300 for (p = psk_key = opt_arg(); *p; p++) {
1301 if (isxdigit(_UC(*p)))
1302 continue;
1303 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1304 goto end;
1305 }
1306 #endif
1307 break;
1308 case OPT_SRPVFILE:
1309 #ifndef OPENSSL_NO_SRP
1310 srp_verifier_file = opt_arg();
1311 if (min_version < TLS1_VERSION)
1312 min_version = TLS1_VERSION;
1313 #endif
1314 break;
1315 case OPT_SRPUSERSEED:
1316 #ifndef OPENSSL_NO_SRP
1317 srpuserseed = opt_arg();
1318 if (min_version < TLS1_VERSION)
1319 min_version = TLS1_VERSION;
1320 #endif
1321 break;
1322 case OPT_REV:
1323 rev = 1;
1324 break;
1325 case OPT_WWW:
1326 www = 1;
1327 break;
1328 case OPT_UPPER_WWW:
1329 www = 2;
1330 break;
1331 case OPT_HTTP:
1332 www = 3;
1333 break;
1334 case OPT_SSL_CONFIG:
1335 ssl_config = opt_arg();
1336 break;
1337 case OPT_SSL3:
1338 min_version = SSL3_VERSION;
1339 max_version = SSL3_VERSION;
1340 break;
1341 case OPT_TLS1_2:
1342 min_version = TLS1_2_VERSION;
1343 max_version = TLS1_2_VERSION;
1344 break;
1345 case OPT_TLS1_1:
1346 min_version = TLS1_1_VERSION;
1347 max_version = TLS1_1_VERSION;
1348 break;
1349 case OPT_TLS1:
1350 min_version = TLS1_VERSION;
1351 max_version = TLS1_VERSION;
1352 break;
1353 case OPT_DTLS:
1354 #ifndef OPENSSL_NO_DTLS
1355 meth = DTLS_server_method();
1356 socket_type = SOCK_DGRAM;
1357 #endif
1358 break;
1359 case OPT_DTLS1:
1360 #ifndef OPENSSL_NO_DTLS
1361 meth = DTLS_server_method();
1362 min_version = DTLS1_VERSION;
1363 max_version = DTLS1_VERSION;
1364 socket_type = SOCK_DGRAM;
1365 #endif
1366 break;
1367 case OPT_DTLS1_2:
1368 #ifndef OPENSSL_NO_DTLS
1369 meth = DTLS_server_method();
1370 min_version = DTLS1_2_VERSION;
1371 max_version = DTLS1_2_VERSION;
1372 socket_type = SOCK_DGRAM;
1373 #endif
1374 break;
1375 case OPT_TIMEOUT:
1376 #ifndef OPENSSL_NO_DTLS
1377 enable_timeouts = 1;
1378 #endif
1379 break;
1380 case OPT_MTU:
1381 #ifndef OPENSSL_NO_DTLS
1382 socket_mtu = atol(opt_arg());
1383 #endif
1384 break;
1385 case OPT_LISTEN:
1386 #ifndef OPENSSL_NO_DTLS
1387 dtlslisten = 1;
1388 #endif
1389 break;
1390 case OPT_ID_PREFIX:
1391 session_id_prefix = opt_arg();
1392 break;
1393 case OPT_ENGINE:
1394 engine = setup_engine(opt_arg(), 1);
1395 break;
1396 case OPT_RAND:
1397 inrand = opt_arg();
1398 break;
1399 case OPT_SERVERNAME:
1400 tlsextcbp.servername = opt_arg();
1401 break;
1402 case OPT_SERVERNAME_FATAL:
1403 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1404 break;
1405 case OPT_CERT2:
1406 s_cert_file2 = opt_arg();
1407 break;
1408 case OPT_KEY2:
1409 s_key_file2 = opt_arg();
1410 break;
1411 case OPT_NEXTPROTONEG:
1412 # ifndef OPENSSL_NO_NEXTPROTONEG
1413 next_proto_neg_in = opt_arg();
1414 #endif
1415 break;
1416 case OPT_ALPN:
1417 alpn_in = opt_arg();
1418 break;
1419 case OPT_SRTP_PROFILES:
1420 #ifndef OPENSSL_NO_SRTP
1421 srtp_profiles = opt_arg();
1422 #endif
1423 break;
1424 case OPT_KEYMATEXPORT:
1425 keymatexportlabel = opt_arg();
1426 break;
1427 case OPT_KEYMATEXPORTLEN:
1428 keymatexportlen = atoi(opt_arg());
1429 break;
1430 case OPT_ASYNC:
1431 async = 1;
1432 break;
1433 case OPT_SPLIT_SEND_FRAG:
1434 split_send_fragment = atoi(opt_arg());
1435 if (split_send_fragment == 0) {
1436 /*
1437 * Not allowed - set to a deliberately bad value so we get an
1438 * error message below
1439 */
1440 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1441 }
1442 break;
1443 case OPT_MAX_PIPELINES:
1444 max_pipelines = atoi(opt_arg());
1445 break;
1446 case OPT_READ_BUF:
1447 read_buf_len = atoi(opt_arg());
1448 break;
1449
1450 }
1451 }
1452 argc = opt_num_rest();
1453 argv = opt_rest();
1454
1455 #ifndef OPENSSL_NO_DTLS
1456 if (www && socket_type == SOCK_DGRAM) {
1457 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1458 goto end;
1459 }
1460
1461 if (dtlslisten && socket_type != SOCK_DGRAM) {
1462 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1463 goto end;
1464 }
1465 #endif
1466
1467 #ifdef AF_UNIX
1468 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1469 BIO_printf(bio_err,
1470 "Can't use unix sockets and datagrams together\n");
1471 goto end;
1472 }
1473 #endif
1474
1475 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1476 BIO_printf(bio_err, "Bad split send fragment size\n");
1477 goto end;
1478 }
1479
1480 if (max_pipelines > SSL_MAX_PIPELINES) {
1481 BIO_printf(bio_err, "Bad max pipelines value\n");
1482 goto end;
1483 }
1484
1485 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1486 BIO_printf(bio_err, "Error getting password\n");
1487 goto end;
1488 }
1489
1490 if (s_key_file == NULL)
1491 s_key_file = s_cert_file;
1492
1493 if (s_key_file2 == NULL)
1494 s_key_file2 = s_cert_file2;
1495
1496 if (!load_excert(&exc))
1497 goto end;
1498
1499 if (nocert == 0) {
1500 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1501 "server certificate private key file");
1502 if (!s_key) {
1503 ERR_print_errors(bio_err);
1504 goto end;
1505 }
1506
1507 s_cert = load_cert(s_cert_file, s_cert_format,
1508 "server certificate file");
1509
1510 if (!s_cert) {
1511 ERR_print_errors(bio_err);
1512 goto end;
1513 }
1514 if (s_chain_file) {
1515 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1516 "server certificate chain"))
1517 goto end;
1518 }
1519
1520 if (tlsextcbp.servername) {
1521 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1522 "second server certificate private key file");
1523 if (!s_key2) {
1524 ERR_print_errors(bio_err);
1525 goto end;
1526 }
1527
1528 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1529 "second server certificate file");
1530
1531 if (!s_cert2) {
1532 ERR_print_errors(bio_err);
1533 goto end;
1534 }
1535 }
1536 }
1537 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1538 if (next_proto_neg_in) {
1539 size_t len;
1540 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1541 if (next_proto.data == NULL)
1542 goto end;
1543 next_proto.len = len;
1544 } else {
1545 next_proto.data = NULL;
1546 }
1547 #endif
1548 alpn_ctx.data = NULL;
1549 if (alpn_in) {
1550 size_t len;
1551 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1552 if (alpn_ctx.data == NULL)
1553 goto end;
1554 alpn_ctx.len = len;
1555 }
1556
1557 if (crl_file) {
1558 X509_CRL *crl;
1559 crl = load_crl(crl_file, crl_format);
1560 if (!crl) {
1561 BIO_puts(bio_err, "Error loading CRL\n");
1562 ERR_print_errors(bio_err);
1563 goto end;
1564 }
1565 crls = sk_X509_CRL_new_null();
1566 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1567 BIO_puts(bio_err, "Error adding CRL\n");
1568 ERR_print_errors(bio_err);
1569 X509_CRL_free(crl);
1570 goto end;
1571 }
1572 }
1573
1574 if (s_dcert_file) {
1575
1576 if (s_dkey_file == NULL)
1577 s_dkey_file = s_dcert_file;
1578
1579 s_dkey = load_key(s_dkey_file, s_dkey_format,
1580 0, dpass, engine, "second certificate private key file");
1581 if (!s_dkey) {
1582 ERR_print_errors(bio_err);
1583 goto end;
1584 }
1585
1586 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1587 "second server certificate file");
1588
1589 if (!s_dcert) {
1590 ERR_print_errors(bio_err);
1591 goto end;
1592 }
1593 if (s_dchain_file) {
1594 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1595 "second server certificate chain"))
1596 goto end;
1597 }
1598
1599 }
1600
1601 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1602 && !RAND_status()) {
1603 BIO_printf(bio_err,
1604 "warning, not much extra random data, consider using the -rand option\n");
1605 }
1606 if (inrand != NULL)
1607 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1608 app_RAND_load_files(inrand));
1609
1610 if (bio_s_out == NULL) {
1611 if (s_quiet && !s_debug) {
1612 bio_s_out = BIO_new(BIO_s_null());
1613 if (s_msg && !bio_s_msg)
1614 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1615 } else {
1616 if (bio_s_out == NULL)
1617 bio_s_out = dup_bio_out(FORMAT_TEXT);
1618 }
1619 }
1620 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1621 if (nocert)
1622 #endif
1623 {
1624 s_cert_file = NULL;
1625 s_key_file = NULL;
1626 s_dcert_file = NULL;
1627 s_dkey_file = NULL;
1628 s_cert_file2 = NULL;
1629 s_key_file2 = NULL;
1630 }
1631
1632 ctx = SSL_CTX_new(meth);
1633 if (ctx == NULL) {
1634 ERR_print_errors(bio_err);
1635 goto end;
1636 }
1637 if (sdebug)
1638 ssl_ctx_security_debug(ctx, sdebug);
1639 if (ssl_config) {
1640 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1641 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1642 ssl_config);
1643 ERR_print_errors(bio_err);
1644 goto end;
1645 }
1646 }
1647 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1648 goto end;
1649 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1650 goto end;
1651
1652 if (session_id_prefix) {
1653 if (strlen(session_id_prefix) >= 32)
1654 BIO_printf(bio_err,
1655 "warning: id_prefix is too long, only one new session will be possible\n");
1656 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1657 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1658 ERR_print_errors(bio_err);
1659 goto end;
1660 }
1661 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1662 }
1663 SSL_CTX_set_quiet_shutdown(ctx, 1);
1664 if (exc)
1665 ssl_ctx_set_excert(ctx, exc);
1666
1667 if (state)
1668 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1669 if (no_cache)
1670 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1671 else if (ext_cache)
1672 init_session_cache_ctx(ctx);
1673 else
1674 SSL_CTX_sess_set_cache_size(ctx, 128);
1675
1676 if (async) {
1677 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1678 }
1679 if (split_send_fragment > 0) {
1680 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1681 }
1682 if (max_pipelines > 0) {
1683 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1684 }
1685
1686 if (read_buf_len > 0) {
1687 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1688 }
1689
1690 #ifndef OPENSSL_NO_SRTP
1691 if (srtp_profiles != NULL) {
1692 /* Returns 0 on success! */
1693 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1694 BIO_printf(bio_err, "Error setting SRTP profile\n");
1695 ERR_print_errors(bio_err);
1696 goto end;
1697 }
1698 }
1699 #endif
1700
1701 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1702 ERR_print_errors(bio_err);
1703 goto end;
1704 }
1705 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1706 BIO_printf(bio_err, "Error setting verify params\n");
1707 ERR_print_errors(bio_err);
1708 goto end;
1709 }
1710
1711 ssl_ctx_add_crls(ctx, crls, 0);
1712 if (!config_ctx(cctx, ssl_args, ctx))
1713 goto end;
1714
1715 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1716 crls, crl_download)) {
1717 BIO_printf(bio_err, "Error loading store locations\n");
1718 ERR_print_errors(bio_err);
1719 goto end;
1720 }
1721
1722 if (s_cert2) {
1723 ctx2 = SSL_CTX_new(meth);
1724 if (ctx2 == NULL) {
1725 ERR_print_errors(bio_err);
1726 goto end;
1727 }
1728 }
1729
1730 if (ctx2) {
1731 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1732
1733 if (sdebug)
1734 ssl_ctx_security_debug(ctx, sdebug);
1735
1736 if (session_id_prefix) {
1737 if (strlen(session_id_prefix) >= 32)
1738 BIO_printf(bio_err,
1739 "warning: id_prefix is too long, only one new session will be possible\n");
1740 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1741 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1742 ERR_print_errors(bio_err);
1743 goto end;
1744 }
1745 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1746 }
1747 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1748 if (exc)
1749 ssl_ctx_set_excert(ctx2, exc);
1750
1751 if (state)
1752 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1753
1754 if (no_cache)
1755 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1756 else if (ext_cache)
1757 init_session_cache_ctx(ctx2);
1758 else
1759 SSL_CTX_sess_set_cache_size(ctx2, 128);
1760
1761 if (async)
1762 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1763
1764 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1765 noCApath)) {
1766 ERR_print_errors(bio_err);
1767 goto end;
1768 }
1769 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1770 BIO_printf(bio_err, "Error setting verify params\n");
1771 ERR_print_errors(bio_err);
1772 goto end;
1773 }
1774
1775 ssl_ctx_add_crls(ctx2, crls, 0);
1776 if (!config_ctx(cctx, ssl_args, ctx2))
1777 goto end;
1778 }
1779 #ifndef OPENSSL_NO_NEXTPROTONEG
1780 if (next_proto.data)
1781 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1782 &next_proto);
1783 #endif
1784 if (alpn_ctx.data)
1785 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1786
1787 #ifndef OPENSSL_NO_DH
1788 if (!no_dhe) {
1789 DH *dh = NULL;
1790
1791 if (dhfile)
1792 dh = load_dh_param(dhfile);
1793 else if (s_cert_file)
1794 dh = load_dh_param(s_cert_file);
1795
1796 if (dh != NULL) {
1797 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1798 } else {
1799 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1800 }
1801 (void)BIO_flush(bio_s_out);
1802
1803 if (dh == NULL)
1804 SSL_CTX_set_dh_auto(ctx, 1);
1805 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1806 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1807 ERR_print_errors(bio_err);
1808 DH_free(dh);
1809 goto end;
1810 }
1811
1812 if (ctx2) {
1813 if (!dhfile) {
1814 DH *dh2 = load_dh_param(s_cert_file2);
1815 if (dh2 != NULL) {
1816 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1817 (void)BIO_flush(bio_s_out);
1818
1819 DH_free(dh);
1820 dh = dh2;
1821 }
1822 }
1823 if (dh == NULL)
1824 SSL_CTX_set_dh_auto(ctx2, 1);
1825 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1826 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1827 ERR_print_errors(bio_err);
1828 DH_free(dh);
1829 goto end;
1830 }
1831 }
1832 DH_free(dh);
1833 }
1834 #endif
1835
1836 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1837 goto end;
1838
1839 if (s_serverinfo_file != NULL
1840 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1841 ERR_print_errors(bio_err);
1842 goto end;
1843 }
1844
1845 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1846 goto end;
1847
1848 if (s_dcert != NULL) {
1849 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1850 goto end;
1851 }
1852
1853 if (no_resume_ephemeral) {
1854 SSL_CTX_set_not_resumable_session_callback(ctx,
1855 not_resumable_sess_cb);
1856
1857 if (ctx2)
1858 SSL_CTX_set_not_resumable_session_callback(ctx2,
1859 not_resumable_sess_cb);
1860 }
1861 #ifndef OPENSSL_NO_PSK
1862 if (psk_key != NULL) {
1863 if (s_debug)
1864 BIO_printf(bio_s_out,
1865 "PSK key given, setting server callback\n");
1866 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1867 }
1868
1869 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1870 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1871 ERR_print_errors(bio_err);
1872 goto end;
1873 }
1874 #endif
1875
1876 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1877 if (!SSL_CTX_set_session_id_context(ctx,
1878 (void *)&s_server_session_id_context,
1879 sizeof s_server_session_id_context)) {
1880 BIO_printf(bio_err, "error setting session id context\n");
1881 ERR_print_errors(bio_err);
1882 goto end;
1883 }
1884
1885 /* Set DTLS cookie generation and verification callbacks */
1886 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1887 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1888
1889 if (ctx2) {
1890 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1891 if (!SSL_CTX_set_session_id_context(ctx2,
1892 (void *)&s_server_session_id_context,
1893 sizeof s_server_session_id_context)) {
1894 BIO_printf(bio_err, "error setting session id context\n");
1895 ERR_print_errors(bio_err);
1896 goto end;
1897 }
1898 tlsextcbp.biodebug = bio_s_out;
1899 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1900 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1901 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1902 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1903 }
1904
1905 #ifndef OPENSSL_NO_SRP
1906 if (srp_verifier_file != NULL) {
1907 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1908 srp_callback_parm.user = NULL;
1909 srp_callback_parm.login = NULL;
1910 if ((ret =
1911 SRP_VBASE_init(srp_callback_parm.vb,
1912 srp_verifier_file)) != SRP_NO_ERROR) {
1913 BIO_printf(bio_err,
1914 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1915 srp_verifier_file, ret);
1916 goto end;
1917 }
1918 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1919 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1920 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1921 } else
1922 #endif
1923 if (CAfile != NULL) {
1924 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1925
1926 if (ctx2)
1927 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1928 }
1929 #ifndef OPENSSL_NO_OCSP
1930 if (s_tlsextstatus) {
1931 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1932 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1933 if (ctx2) {
1934 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1935 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1936 }
1937 }
1938 #endif
1939
1940 BIO_printf(bio_s_out, "ACCEPT\n");
1941 (void)BIO_flush(bio_s_out);
1942 if (rev)
1943 server_cb = rev_body;
1944 else if (www)
1945 server_cb = www_body;
1946 else
1947 server_cb = sv_body;
1948 #ifdef AF_UNIX
1949 if (socket_family == AF_UNIX
1950 && unlink_unix_path)
1951 unlink(host);
1952 #endif
1953 do_server(&accept_socket, host, port, socket_family, socket_type,
1954 server_cb, context, naccept);
1955 print_stats(bio_s_out, ctx);
1956 ret = 0;
1957 end:
1958 SSL_CTX_free(ctx);
1959 X509_free(s_cert);
1960 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1961 X509_free(s_dcert);
1962 EVP_PKEY_free(s_key);
1963 EVP_PKEY_free(s_dkey);
1964 sk_X509_pop_free(s_chain, X509_free);
1965 sk_X509_pop_free(s_dchain, X509_free);
1966 OPENSSL_free(pass);
1967 OPENSSL_free(dpass);
1968 OPENSSL_free(host);
1969 OPENSSL_free(port);
1970 X509_VERIFY_PARAM_free(vpm);
1971 free_sessions();
1972 OPENSSL_free(tlscstatp.host);
1973 OPENSSL_free(tlscstatp.port);
1974 OPENSSL_free(tlscstatp.path);
1975 SSL_CTX_free(ctx2);
1976 X509_free(s_cert2);
1977 EVP_PKEY_free(s_key2);
1978 #ifndef OPENSSL_NO_NEXTPROTONEG
1979 OPENSSL_free(next_proto.data);
1980 #endif
1981 OPENSSL_free(alpn_ctx.data);
1982 ssl_excert_free(exc);
1983 sk_OPENSSL_STRING_free(ssl_args);
1984 SSL_CONF_CTX_free(cctx);
1985 BIO_free(bio_s_out);
1986 bio_s_out = NULL;
1987 BIO_free(bio_s_msg);
1988 bio_s_msg = NULL;
1989 #ifdef CHARSET_EBCDIC
1990 BIO_meth_free(methods_ebcdic);
1991 #endif
1992 return (ret);
1993 }
1994
1995 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1996 {
1997 BIO_printf(bio, "%4ld items in the session cache\n",
1998 SSL_CTX_sess_number(ssl_ctx));
1999 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2000 SSL_CTX_sess_connect(ssl_ctx));
2001 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2002 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2003 BIO_printf(bio, "%4ld client connects that finished\n",
2004 SSL_CTX_sess_connect_good(ssl_ctx));
2005 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2006 SSL_CTX_sess_accept(ssl_ctx));
2007 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2008 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2009 BIO_printf(bio, "%4ld server accepts that finished\n",
2010 SSL_CTX_sess_accept_good(ssl_ctx));
2011 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2012 BIO_printf(bio, "%4ld session cache misses\n",
2013 SSL_CTX_sess_misses(ssl_ctx));
2014 BIO_printf(bio, "%4ld session cache timeouts\n",
2015 SSL_CTX_sess_timeouts(ssl_ctx));
2016 BIO_printf(bio, "%4ld callback cache hits\n",
2017 SSL_CTX_sess_cb_hits(ssl_ctx));
2018 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2019 SSL_CTX_sess_cache_full(ssl_ctx),
2020 SSL_CTX_sess_get_cache_size(ssl_ctx));
2021 }
2022
2023 static int sv_body(int s, int stype, unsigned char *context)
2024 {
2025 char *buf = NULL;
2026 fd_set readfds;
2027 int ret = 1, width;
2028 int k, i;
2029 unsigned long l;
2030 SSL *con = NULL;
2031 BIO *sbio;
2032 struct timeval timeout;
2033 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2034 struct timeval tv;
2035 #else
2036 struct timeval *timeoutp;
2037 #endif
2038
2039 buf = app_malloc(bufsize, "server buffer");
2040 if (s_nbio) {
2041 if (!BIO_socket_nbio(s, 1))
2042 ERR_print_errors(bio_err);
2043 else if (!s_quiet)
2044 BIO_printf(bio_err, "Turned on non blocking io\n");
2045 }
2046
2047 if (con == NULL) {
2048 con = SSL_new(ctx);
2049
2050 if (s_tlsextdebug) {
2051 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2052 SSL_set_tlsext_debug_arg(con, bio_s_out);
2053 }
2054
2055 if (context
2056 && !SSL_set_session_id_context(con,
2057 context, strlen((char *)context))) {
2058 BIO_printf(bio_err, "Error setting session id context\n");
2059 ret = -1;
2060 goto err;
2061 }
2062 }
2063 if (!SSL_clear(con)) {
2064 BIO_printf(bio_err, "Error clearing SSL connection\n");
2065 ret = -1;
2066 goto err;
2067 }
2068 #ifndef OPENSSL_NO_DTLS
2069 if (stype == SOCK_DGRAM) {
2070
2071 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2072
2073 if (enable_timeouts) {
2074 timeout.tv_sec = 0;
2075 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2076 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2077
2078 timeout.tv_sec = 0;
2079 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2080 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2081 }
2082
2083 if (socket_mtu) {
2084 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2085 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2086 DTLS_get_link_min_mtu(con));
2087 ret = -1;
2088 BIO_free(sbio);
2089 goto err;
2090 }
2091 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2092 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2093 BIO_printf(bio_err, "Failed to set MTU\n");
2094 ret = -1;
2095 BIO_free(sbio);
2096 goto err;
2097 }
2098 } else
2099 /* want to do MTU discovery */
2100 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2101
2102 /* turn on cookie exchange */
2103 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2104 } else
2105 #endif
2106 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2107
2108 if (s_nbio_test) {
2109 BIO *test;
2110
2111 test = BIO_new(BIO_f_nbio_test());
2112 sbio = BIO_push(test, sbio);
2113 }
2114
2115 SSL_set_bio(con, sbio, sbio);
2116 SSL_set_accept_state(con);
2117 /* SSL_set_fd(con,s); */
2118
2119 if (s_debug) {
2120 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2121 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2122 }
2123 if (s_msg) {
2124 #ifndef OPENSSL_NO_SSL_TRACE
2125 if (s_msg == 2)
2126 SSL_set_msg_callback(con, SSL_trace);
2127 else
2128 #endif
2129 SSL_set_msg_callback(con, msg_cb);
2130 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2131 }
2132
2133 if (s_tlsextdebug) {
2134 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2135 SSL_set_tlsext_debug_arg(con, bio_s_out);
2136 }
2137
2138 width = s + 1;
2139 for (;;) {
2140 int read_from_terminal;
2141 int read_from_sslcon;
2142
2143 read_from_terminal = 0;
2144 read_from_sslcon = SSL_has_pending(con)
2145 || (async && SSL_waiting_for_async(con));
2146
2147 if (!read_from_sslcon) {
2148 FD_ZERO(&readfds);
2149 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2150 openssl_fdset(fileno(stdin), &readfds);
2151 #endif
2152 openssl_fdset(s, &readfds);
2153 /*
2154 * Note: under VMS with SOCKETSHR the second parameter is
2155 * currently of type (int *) whereas under other systems it is
2156 * (void *) if you don't have a cast it will choke the compiler:
2157 * if you do have a cast then you can either go for (int *) or
2158 * (void *).
2159 */
2160 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2161 /*
2162 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2163 * only on sockets. As a workaround we timeout the select every
2164 * second and check for any keypress. In a proper Windows
2165 * application we wouldn't do this because it is inefficient.
2166 */
2167 tv.tv_sec = 1;
2168 tv.tv_usec = 0;
2169 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2170 if (has_stdin_waiting())
2171 read_from_terminal = 1;
2172 if ((i < 0) || (!i && !read_from_terminal))
2173 continue;
2174 #else
2175 if ((SSL_version(con) == DTLS1_VERSION) &&
2176 DTLSv1_get_timeout(con, &timeout))
2177 timeoutp = &timeout;
2178 else
2179 timeoutp = NULL;
2180
2181 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2182
2183 if ((SSL_version(con) == DTLS1_VERSION)
2184 && DTLSv1_handle_timeout(con) > 0) {
2185 BIO_printf(bio_err, "TIMEOUT occurred\n");
2186 }
2187
2188 if (i <= 0)
2189 continue;
2190 if (FD_ISSET(fileno(stdin), &readfds))
2191 read_from_terminal = 1;
2192 #endif
2193 if (FD_ISSET(s, &readfds))
2194 read_from_sslcon = 1;
2195 }
2196 if (read_from_terminal) {
2197 if (s_crlf) {
2198 int j, lf_num;
2199
2200 i = raw_read_stdin(buf, bufsize / 2);
2201 lf_num = 0;
2202 /* both loops are skipped when i <= 0 */
2203 for (j = 0; j < i; j++)
2204 if (buf[j] == '\n')
2205 lf_num++;
2206 for (j = i - 1; j >= 0; j--) {
2207 buf[j + lf_num] = buf[j];
2208 if (buf[j] == '\n') {
2209 lf_num--;
2210 i++;
2211 buf[j + lf_num] = '\r';
2212 }
2213 }
2214 assert(lf_num == 0);
2215 } else
2216 i = raw_read_stdin(buf, bufsize);
2217 if (!s_quiet && !s_brief) {
2218 if ((i <= 0) || (buf[0] == 'Q')) {
2219 BIO_printf(bio_s_out, "DONE\n");
2220 (void)BIO_flush(bio_s_out);
2221 BIO_closesocket(s);
2222 close_accept_socket();
2223 ret = -11;
2224 goto err;
2225 }
2226 if ((i <= 0) || (buf[0] == 'q')) {
2227 BIO_printf(bio_s_out, "DONE\n");
2228 (void)BIO_flush(bio_s_out);
2229 if (SSL_version(con) != DTLS1_VERSION)
2230 BIO_closesocket(s);
2231 /*
2232 * close_accept_socket(); ret= -11;
2233 */
2234 goto err;
2235 }
2236 #ifndef OPENSSL_NO_HEARTBEATS
2237 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2238 BIO_printf(bio_err, "HEARTBEATING\n");
2239 SSL_heartbeat(con);
2240 i = 0;
2241 continue;
2242 }
2243 #endif
2244 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2245 SSL_renegotiate(con);
2246 i = SSL_do_handshake(con);
2247 printf("SSL_do_handshake -> %d\n", i);
2248 i = 0; /* 13; */
2249 continue;
2250 /*
2251 * strcpy(buf,"server side RE-NEGOTIATE\n");
2252 */
2253 }
2254 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2255 SSL_set_verify(con,
2256 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2257 NULL);
2258 SSL_renegotiate(con);
2259 i = SSL_do_handshake(con);
2260 printf("SSL_do_handshake -> %d\n", i);
2261 i = 0; /* 13; */
2262 continue;
2263 /*
2264 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2265 * cert\n");
2266 */
2267 }
2268 if (buf[0] == 'P') {
2269 static const char *str = "Lets print some clear text\n";
2270 BIO_write(SSL_get_wbio(con), str, strlen(str));
2271 }
2272 if (buf[0] == 'S') {
2273 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2274 }
2275 }
2276 #ifdef CHARSET_EBCDIC
2277 ebcdic2ascii(buf, buf, i);
2278 #endif
2279 l = k = 0;
2280 for (;;) {
2281 /* should do a select for the write */
2282 #ifdef RENEG
2283 {
2284 static count = 0;
2285 if (++count == 100) {
2286 count = 0;
2287 SSL_renegotiate(con);
2288 }
2289 }
2290 #endif
2291 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2292 #ifndef OPENSSL_NO_SRP
2293 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2294 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2295 SRP_user_pwd_free(srp_callback_parm.user);
2296 srp_callback_parm.user =
2297 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2298 srp_callback_parm.login);
2299 if (srp_callback_parm.user)
2300 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2301 srp_callback_parm.user->info);
2302 else
2303 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2304 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2305 }
2306 #endif
2307 switch (SSL_get_error(con, k)) {
2308 case SSL_ERROR_NONE:
2309 break;
2310 case SSL_ERROR_WANT_ASYNC:
2311 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2312 (void)BIO_flush(bio_s_out);
2313 wait_for_async(con);
2314 break;
2315 case SSL_ERROR_WANT_WRITE:
2316 case SSL_ERROR_WANT_READ:
2317 case SSL_ERROR_WANT_X509_LOOKUP:
2318 BIO_printf(bio_s_out, "Write BLOCK\n");
2319 (void)BIO_flush(bio_s_out);
2320 break;
2321 case SSL_ERROR_WANT_ASYNC_JOB:
2322 /*
2323 * This shouldn't ever happen in s_server. Treat as an error
2324 */
2325 case SSL_ERROR_SYSCALL:
2326 case SSL_ERROR_SSL:
2327 BIO_printf(bio_s_out, "ERROR\n");
2328 (void)BIO_flush(bio_s_out);
2329 ERR_print_errors(bio_err);
2330 ret = 1;
2331 goto err;
2332 /* break; */
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 if (k > 0) {
2340 l += k;
2341 i -= k;
2342 }
2343 if (i <= 0)
2344 break;
2345 }
2346 }
2347 if (read_from_sslcon) {
2348 /*
2349 * init_ssl_connection handles all async events itself so if we're
2350 * waiting for async then we shouldn't go back into
2351 * init_ssl_connection
2352 */
2353 if ((!async || !SSL_waiting_for_async(con))
2354 && !SSL_is_init_finished(con)) {
2355 i = init_ssl_connection(con);
2356
2357 if (i < 0) {
2358 ret = 0;
2359 goto err;
2360 } else if (i == 0) {
2361 ret = 1;
2362 goto err;
2363 }
2364 } else {
2365 again:
2366 i = SSL_read(con, (char *)buf, bufsize);
2367 #ifndef OPENSSL_NO_SRP
2368 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2369 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2370 SRP_user_pwd_free(srp_callback_parm.user);
2371 srp_callback_parm.user =
2372 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2373 srp_callback_parm.login);
2374 if (srp_callback_parm.user)
2375 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2376 srp_callback_parm.user->info);
2377 else
2378 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2379 i = SSL_read(con, (char *)buf, bufsize);
2380 }
2381 #endif
2382 switch (SSL_get_error(con, i)) {
2383 case SSL_ERROR_NONE:
2384 #ifdef CHARSET_EBCDIC
2385 ascii2ebcdic(buf, buf, i);
2386 #endif
2387 raw_write_stdout(buf, (unsigned int)i);
2388 (void)BIO_flush(bio_s_out);
2389 if (SSL_has_pending(con))
2390 goto again;
2391 break;
2392 case SSL_ERROR_WANT_ASYNC:
2393 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2394 (void)BIO_flush(bio_s_out);
2395 wait_for_async(con);
2396 break;
2397 case SSL_ERROR_WANT_WRITE:
2398 case SSL_ERROR_WANT_READ:
2399 BIO_printf(bio_s_out, "Read BLOCK\n");
2400 (void)BIO_flush(bio_s_out);
2401 break;
2402 case SSL_ERROR_WANT_ASYNC_JOB:
2403 /*
2404 * This shouldn't ever happen in s_server. Treat as an error
2405 */
2406 case SSL_ERROR_SYSCALL:
2407 case SSL_ERROR_SSL:
2408 BIO_printf(bio_s_out, "ERROR\n");
2409 (void)BIO_flush(bio_s_out);
2410 ERR_print_errors(bio_err);
2411 ret = 1;
2412 goto err;
2413 case SSL_ERROR_ZERO_RETURN:
2414 BIO_printf(bio_s_out, "DONE\n");
2415 (void)BIO_flush(bio_s_out);
2416 ret = 1;
2417 goto err;
2418 }
2419 }
2420 }
2421 }
2422 err:
2423 if (con != NULL) {
2424 BIO_printf(bio_s_out, "shutting down SSL\n");
2425 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2426 SSL_free(con);
2427 }
2428 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2429 OPENSSL_clear_free(buf, bufsize);
2430 if (ret >= 0)
2431 BIO_printf(bio_s_out, "ACCEPT\n");
2432 (void)BIO_flush(bio_s_out);
2433 return (ret);
2434 }
2435
2436 static void close_accept_socket(void)
2437 {
2438 BIO_printf(bio_err, "shutdown accept socket\n");
2439 if (accept_socket >= 0) {
2440 BIO_closesocket(accept_socket);
2441 }
2442 }
2443
2444 static int init_ssl_connection(SSL *con)
2445 {
2446 int i;
2447 const char *str;
2448 X509 *peer;
2449 long verify_err;
2450 char buf[BUFSIZ];
2451 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2452 const unsigned char *next_proto_neg;
2453 unsigned next_proto_neg_len;
2454 #endif
2455 unsigned char *exportedkeymat;
2456 int retry = 0;
2457
2458 #ifndef OPENSSL_NO_DTLS
2459 if (dtlslisten) {
2460 BIO_ADDR *client = NULL;
2461
2462 if ((client = BIO_ADDR_new()) == NULL) {
2463 BIO_printf(bio_err, "ERROR - memory\n");
2464 return 0;
2465 }
2466 i = DTLSv1_listen(con, client);
2467 if (i > 0) {
2468 BIO *wbio;
2469 int fd = -1;
2470
2471 wbio = SSL_get_wbio(con);
2472 if (wbio) {
2473 BIO_get_fd(wbio, &fd);
2474 }
2475
2476 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2477 BIO_printf(bio_err, "ERROR - unable to connect\n");
2478 BIO_ADDR_free(client);
2479 return 0;
2480 }
2481 BIO_ADDR_free(client);
2482 dtlslisten = 0;
2483 i = SSL_accept(con);
2484 } else {
2485 BIO_ADDR_free(client);
2486 }
2487 } else
2488 #endif
2489
2490 do {
2491 i = SSL_accept(con);
2492
2493 if (i <= 0)
2494 retry = BIO_sock_should_retry(i);
2495 #ifdef CERT_CB_TEST_RETRY
2496 {
2497 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2498 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2499 BIO_printf(bio_err,
2500 "LOOKUP from certificate callback during accept\n");
2501 i = SSL_accept(con);
2502 if (i <= 0)
2503 retry = BIO_sock_should_retry(i);
2504 }
2505 }
2506 #endif
2507
2508 #ifndef OPENSSL_NO_SRP
2509 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2510 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2511 srp_callback_parm.login);
2512 SRP_user_pwd_free(srp_callback_parm.user);
2513 srp_callback_parm.user =
2514 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2515 srp_callback_parm.login);
2516 if (srp_callback_parm.user)
2517 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2518 srp_callback_parm.user->info);
2519 else
2520 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2521 i = SSL_accept(con);
2522 if (i <= 0)
2523 retry = BIO_sock_should_retry(i);
2524 }
2525 #endif
2526 } while (i < 0 && SSL_waiting_for_async(con));
2527
2528 if (i <= 0) {
2529 if ((dtlslisten && i == 0)
2530 || (!dtlslisten && retry)) {
2531 BIO_printf(bio_s_out, "DELAY\n");
2532 return (1);
2533 }
2534
2535 BIO_printf(bio_err, "ERROR\n");
2536
2537 verify_err = SSL_get_verify_result(con);
2538 if (verify_err != X509_V_OK) {
2539 BIO_printf(bio_err, "verify error:%s\n",
2540 X509_verify_cert_error_string(verify_err));
2541 }
2542 /* Always print any error messages */
2543 ERR_print_errors(bio_err);
2544 return (0);
2545 }
2546
2547 if (s_brief)
2548 print_ssl_summary(con);
2549
2550 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2551
2552 peer = SSL_get_peer_certificate(con);
2553 if (peer != NULL) {
2554 BIO_printf(bio_s_out, "Client certificate\n");
2555 PEM_write_bio_X509(bio_s_out, peer);
2556 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2557 BIO_printf(bio_s_out, "subject=%s\n", buf);
2558 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2559 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2560 X509_free(peer);
2561 peer = NULL;
2562 }
2563
2564 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2565 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2566 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2567 ssl_print_sigalgs(bio_s_out, con);
2568 #ifndef OPENSSL_NO_EC
2569 ssl_print_point_formats(bio_s_out, con);
2570 ssl_print_curves(bio_s_out, con, 0);
2571 #endif
2572 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2573
2574 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2575 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2576 if (next_proto_neg) {
2577 BIO_printf(bio_s_out, "NEXTPROTO is ");
2578 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2579 BIO_printf(bio_s_out, "\n");
2580 }
2581 #endif
2582 #ifndef OPENSSL_NO_SRTP
2583 {
2584 SRTP_PROTECTION_PROFILE *srtp_profile
2585 = SSL_get_selected_srtp_profile(con);
2586
2587 if (srtp_profile)
2588 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2589 srtp_profile->name);
2590 }
2591 #endif
2592 if (SSL_session_reused(con))
2593 BIO_printf(bio_s_out, "Reused session-id\n");
2594 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2595 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2596 if (keymatexportlabel != NULL) {
2597 BIO_printf(bio_s_out, "Keying material exporter:\n");
2598 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2599 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2600 exportedkeymat = app_malloc(keymatexportlen, "export key");
2601 if (!SSL_export_keying_material(con, exportedkeymat,
2602 keymatexportlen,
2603 keymatexportlabel,
2604 strlen(keymatexportlabel),
2605 NULL, 0, 0)) {
2606 BIO_printf(bio_s_out, " Error\n");
2607 } else {
2608 BIO_printf(bio_s_out, " Keying material: ");
2609 for (i = 0; i < keymatexportlen; i++)
2610 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2611 BIO_printf(bio_s_out, "\n");
2612 }
2613 OPENSSL_free(exportedkeymat);
2614 }
2615
2616 (void)BIO_flush(bio_s_out);
2617 return (1);
2618 }
2619
2620 #ifndef OPENSSL_NO_DH
2621 static DH *load_dh_param(const char *dhfile)
2622 {
2623 DH *ret = NULL;
2624 BIO *bio;
2625
2626 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2627 goto err;
2628 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2629 err:
2630 BIO_free(bio);
2631 return (ret);
2632 }
2633 #endif
2634
2635 static int www_body(int s, int stype, unsigned char *context)
2636 {
2637 char *buf = NULL;
2638 int ret = 1;
2639 int i, j, k, dot;
2640 SSL *con;
2641 const SSL_CIPHER *c;
2642 BIO *io, *ssl_bio, *sbio;
2643 #ifdef RENEG
2644 int total_bytes = 0;
2645 #endif
2646 int width;
2647 fd_set readfds;
2648
2649 /* Set width for a select call if needed */
2650 width = s + 1;
2651
2652 buf = app_malloc(bufsize, "server www buffer");
2653 io = BIO_new(BIO_f_buffer());
2654 ssl_bio = BIO_new(BIO_f_ssl());
2655 if ((io == NULL) || (ssl_bio == NULL))
2656 goto err;
2657
2658 if (s_nbio) {
2659 if (!BIO_socket_nbio(s, 1))
2660 ERR_print_errors(bio_err);
2661 else if (!s_quiet)
2662 BIO_printf(bio_err, "Turned on non blocking io\n");
2663 }
2664
2665 /* lets make the output buffer a reasonable size */
2666 if (!BIO_set_write_buffer_size(io, bufsize))
2667 goto err;
2668
2669 if ((con = SSL_new(ctx)) == NULL)
2670 goto err;
2671
2672 if (s_tlsextdebug) {
2673 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2674 SSL_set_tlsext_debug_arg(con, bio_s_out);
2675 }
2676
2677 if (context && !SSL_set_session_id_context(con, context,
2678 strlen((char *)context)))
2679 goto err;
2680
2681 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2682 if (s_nbio_test) {
2683 BIO *test;
2684
2685 test = BIO_new(BIO_f_nbio_test());
2686 sbio = BIO_push(test, sbio);
2687 }
2688 SSL_set_bio(con, sbio, sbio);
2689 SSL_set_accept_state(con);
2690
2691 /* SSL_set_fd(con,s); */
2692 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2693 BIO_push(io, ssl_bio);
2694 #ifdef CHARSET_EBCDIC
2695 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2696 #endif
2697
2698 if (s_debug) {
2699 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2700 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2701 }
2702 if (s_msg) {
2703 #ifndef OPENSSL_NO_SSL_TRACE
2704 if (s_msg == 2)
2705 SSL_set_msg_callback(con, SSL_trace);
2706 else
2707 #endif
2708 SSL_set_msg_callback(con, msg_cb);
2709 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2710 }
2711
2712 for (;;) {
2713 i = BIO_gets(io, buf, bufsize - 1);
2714 if (i < 0) { /* error */
2715 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2716 if (!s_quiet)
2717 ERR_print_errors(bio_err);
2718 goto err;
2719 } else {
2720 BIO_printf(bio_s_out, "read R BLOCK\n");
2721 #ifndef OPENSSL_NO_SRP
2722 if (BIO_should_io_special(io)
2723 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2724 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2725 SRP_user_pwd_free(srp_callback_parm.user);
2726 srp_callback_parm.user =
2727 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2728 srp_callback_parm.login);
2729 if (srp_callback_parm.user)
2730 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2731 srp_callback_parm.user->info);
2732 else
2733 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2734 continue;
2735 }
2736 #endif
2737 #if !defined(OPENSSL_SYS_MSDOS)
2738 sleep(1);
2739 #endif
2740 continue;
2741 }
2742 } else if (i == 0) { /* end of input */
2743 ret = 1;
2744 goto end;
2745 }
2746
2747 /* else we have data */
2748 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2749 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2750 char *p;
2751 X509 *peer = NULL;
2752 STACK_OF(SSL_CIPHER) *sk;
2753 static const char *space = " ";
2754
2755 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2756 if (strncmp("GET /renegcert", buf, 14) == 0)
2757 SSL_set_verify(con,
2758 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2759 NULL);
2760 i = SSL_renegotiate(con);
2761 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2762 /* Send the HelloRequest */
2763 i = SSL_do_handshake(con);
2764 if (i <= 0) {
2765 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2766 SSL_get_error(con, i));
2767 ERR_print_errors(bio_err);
2768 goto err;
2769 }
2770 /* Wait for a ClientHello to come back */
2771 FD_ZERO(&readfds);
2772 openssl_fdset(s, &readfds);
2773 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2774 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2775 BIO_printf(bio_s_out, "Error waiting for client response\n");
2776 ERR_print_errors(bio_err);
2777 goto err;
2778 }
2779 /*
2780 * We're not actually expecting any data here and we ignore
2781 * any that is sent. This is just to force the handshake that
2782 * we're expecting to come from the client. If they haven't
2783 * sent one there's not much we can do.
2784 */
2785 BIO_gets(io, buf, bufsize - 1);
2786 }
2787
2788 BIO_puts(io,
2789 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2790 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2791 BIO_puts(io, "<pre>\n");
2792 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2793 BIO_puts(io, "\n");
2794 for (i = 0; i < local_argc; i++) {
2795 const char *myp;
2796 for (myp = local_argv[i]; *myp; myp++)
2797 switch (*myp) {
2798 case '<':
2799 BIO_puts(io, "&lt;");
2800 break;
2801 case '>':
2802 BIO_puts(io, "&gt;");
2803 break;
2804 case '&':
2805 BIO_puts(io, "&amp;");
2806 break;
2807 default:
2808 BIO_write(io, myp, 1);
2809 break;
2810 }
2811 BIO_write(io, " ", 1);
2812 }
2813 BIO_puts(io, "\n");
2814
2815 BIO_printf(io,
2816 "Secure Renegotiation IS%s supported\n",
2817 SSL_get_secure_renegotiation_support(con) ?
2818 "" : " NOT");
2819
2820 /*
2821 * The following is evil and should not really be done
2822 */
2823 BIO_printf(io, "Ciphers supported in s_server binary\n");
2824 sk = SSL_get_ciphers(con);
2825 j = sk_SSL_CIPHER_num(sk);
2826 for (i = 0; i < j; i++) {
2827 c = sk_SSL_CIPHER_value(sk, i);
2828 BIO_printf(io, "%-11s:%-25s ",
2829 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2830 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2831 BIO_puts(io, "\n");
2832 }
2833 BIO_puts(io, "\n");
2834 p = SSL_get_shared_ciphers(con, buf, bufsize);
2835 if (p != NULL) {
2836 BIO_printf(io,
2837 "---\nCiphers common between both SSL end points:\n");
2838 j = i = 0;
2839 while (*p) {
2840 if (*p == ':') {
2841 BIO_write(io, space, 26 - j);
2842 i++;
2843 j = 0;
2844 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2845 } else {
2846 BIO_write(io, p, 1);
2847 j++;
2848 }
2849 p++;
2850 }
2851 BIO_puts(io, "\n");
2852 }
2853 ssl_print_sigalgs(io, con);
2854 #ifndef OPENSSL_NO_EC
2855 ssl_print_curves(io, con, 0);
2856 #endif
2857 BIO_printf(io, (SSL_session_reused(con)
2858 ? "---\nReused, " : "---\nNew, "));
2859 c = SSL_get_current_cipher(con);
2860 BIO_printf(io, "%s, Cipher is %s\n",
2861 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2862 SSL_SESSION_print(io, SSL_get_session(con));
2863 BIO_printf(io, "---\n");
2864 print_stats(io, SSL_get_SSL_CTX(con));
2865 BIO_printf(io, "---\n");
2866 peer = SSL_get_peer_certificate(con);
2867 if (peer != NULL) {
2868 BIO_printf(io, "Client certificate\n");
2869 X509_print(io, peer);
2870 PEM_write_bio_X509(io, peer);
2871 X509_free(peer);
2872 peer = NULL;
2873 } else
2874 BIO_puts(io, "no client certificate available\n");
2875 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2876 break;
2877 } else if ((www == 2 || www == 3)
2878 && (strncmp("GET /", buf, 5) == 0)) {
2879 BIO *file;
2880 char *p, *e;
2881 static const char *text =
2882 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2883
2884 /* skip the '/' */
2885 p = &(buf[5]);
2886
2887 dot = 1;
2888 for (e = p; *e != '\0'; e++) {
2889 if (e[0] == ' ')
2890 break;
2891
2892 switch (dot) {
2893 case 1:
2894 dot = (e[0] == '.') ? 2 : 0;
2895 break;
2896 case 2:
2897 dot = (e[0] == '.') ? 3 : 0;
2898 break;
2899 case 3:
2900 dot = (e[0] == '/') ? -1 : 0;
2901 break;
2902 }
2903 if (dot == 0)
2904 dot = (e[0] == '/') ? 1 : 0;
2905 }
2906 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2907 * component */
2908
2909 if (*e == '\0') {
2910 BIO_puts(io, text);
2911 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2912 break;
2913 }
2914 *e = '\0';
2915
2916 if (dot) {
2917 BIO_puts(io, text);
2918 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2919 break;
2920 }
2921
2922 if (*p == '/') {
2923 BIO_puts(io, text);
2924 BIO_printf(io, "'%s' is an invalid path\r\n", p);
2925 break;
2926 }
2927
2928 /* if a directory, do the index thang */
2929 if (app_isdir(p) > 0) {
2930 BIO_puts(io, text);
2931 BIO_printf(io, "'%s' is a directory\r\n", p);
2932 break;
2933 }
2934
2935 if ((file = BIO_new_file(p, "r")) == NULL) {
2936 BIO_puts(io, text);
2937 BIO_printf(io, "Error opening '%s'\r\n", p);
2938 ERR_print_errors(io);
2939 break;
2940 }
2941
2942 if (!s_quiet)
2943 BIO_printf(bio_err, "FILE:%s\n", p);
2944
2945 if (www == 2) {
2946 i = strlen(p);
2947 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2948 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2949 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2950 BIO_puts(io,
2951 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2952 else
2953 BIO_puts(io,
2954 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2955 }
2956 /* send the file */
2957 for (;;) {
2958 i = BIO_read(file, buf, bufsize);
2959 if (i <= 0)
2960 break;
2961
2962 #ifdef RENEG
2963 total_bytes += i;
2964 BIO_printf(bio_err, "%d\n", i);
2965 if (total_bytes > 3 * 1024) {
2966 total_bytes = 0;
2967 BIO_printf(bio_err, "RENEGOTIATE\n");
2968 SSL_renegotiate(con);
2969 }
2970 #endif
2971
2972 for (j = 0; j < i;) {
2973 #ifdef RENEG
2974 {
2975 static count = 0;
2976 if (++count == 13) {
2977 SSL_renegotiate(con);
2978 }
2979 }
2980 #endif
2981 k = BIO_write(io, &(buf[j]), i - j);
2982 if (k <= 0) {
2983 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con))
2984 goto write_error;
2985 else {
2986 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2987 }
2988 } else {
2989 j += k;
2990 }
2991 }
2992 }
2993 write_error:
2994 BIO_free(file);
2995 break;
2996 }
2997 }
2998
2999 for (;;) {
3000 i = (int)BIO_flush(io);
3001 if (i <= 0) {
3002 if (!BIO_should_retry(io))
3003 break;
3004 } else
3005 break;
3006 }
3007 end:
3008 /* make sure we re-use sessions */
3009 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3010
3011 err:
3012 if (ret >= 0)
3013 BIO_printf(bio_s_out, "ACCEPT\n");
3014 OPENSSL_free(buf);
3015 BIO_free_all(io);
3016 return (ret);
3017 }
3018
3019 static int rev_body(int s, int stype, unsigned char *context)
3020 {
3021 char *buf = NULL;
3022 int i;
3023 int ret = 1;
3024 SSL *con;
3025 BIO *io, *ssl_bio, *sbio;
3026
3027 buf = app_malloc(bufsize, "server rev buffer");
3028 io = BIO_new(BIO_f_buffer());
3029 ssl_bio = BIO_new(BIO_f_ssl());
3030 if ((io == NULL) || (ssl_bio == NULL))
3031 goto err;
3032
3033 /* lets make the output buffer a reasonable size */
3034 if (!BIO_set_write_buffer_size(io, bufsize))
3035 goto err;
3036
3037 if ((con = SSL_new(ctx)) == NULL)
3038 goto err;
3039
3040 if (s_tlsextdebug) {
3041 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3042 SSL_set_tlsext_debug_arg(con, bio_s_out);
3043 }
3044 if (context
3045 && !SSL_set_session_id_context(con, context, strlen((char *)context))) {
3046 ERR_print_errors(bio_err);
3047 goto err;
3048 }
3049
3050 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3051 SSL_set_bio(con, sbio, sbio);
3052 SSL_set_accept_state(con);
3053
3054 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3055 BIO_push(io, ssl_bio);
3056 #ifdef CHARSET_EBCDIC
3057 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3058 #endif
3059
3060 if (s_debug) {
3061 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3062 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3063 }
3064 if (s_msg) {
3065 #ifndef OPENSSL_NO_SSL_TRACE
3066 if (s_msg == 2)
3067 SSL_set_msg_callback(con, SSL_trace);
3068 else
3069 #endif
3070 SSL_set_msg_callback(con, msg_cb);
3071 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3072 }
3073
3074 for (;;) {
3075 i = BIO_do_handshake(io);
3076 if (i > 0)
3077 break;
3078 if (!BIO_should_retry(io)) {
3079 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3080 ERR_print_errors(bio_err);
3081 goto end;
3082 }
3083 #ifndef OPENSSL_NO_SRP
3084 if (BIO_should_io_special(io)
3085 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3086 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3087 SRP_user_pwd_free(srp_callback_parm.user);
3088 srp_callback_parm.user =
3089 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3090 srp_callback_parm.login);
3091 if (srp_callback_parm.user)
3092 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3093 srp_callback_parm.user->info);
3094 else
3095 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3096 continue;
3097 }
3098 #endif
3099 }
3100 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3101 print_ssl_summary(con);
3102
3103 for (;;) {
3104 i = BIO_gets(io, buf, bufsize - 1);
3105 if (i < 0) { /* error */
3106 if (!BIO_should_retry(io)) {
3107 if (!s_quiet)
3108 ERR_print_errors(bio_err);
3109 goto err;
3110 } else {
3111 BIO_printf(bio_s_out, "read R BLOCK\n");
3112 #ifndef OPENSSL_NO_SRP
3113 if (BIO_should_io_special(io)
3114 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3115 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3116 SRP_user_pwd_free(srp_callback_parm.user);
3117 srp_callback_parm.user =
3118 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3119 srp_callback_parm.login);
3120 if (srp_callback_parm.user)
3121 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3122 srp_callback_parm.user->info);
3123 else
3124 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3125 continue;
3126 }
3127 #endif
3128 #if !defined(OPENSSL_SYS_MSDOS)
3129 sleep(1);
3130 #endif
3131 continue;
3132 }
3133 } else if (i == 0) { /* end of input */
3134 ret = 1;
3135 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3136 goto end;
3137 } else {
3138 char *p = buf + i - 1;
3139 while (i && (*p == '\n' || *p == '\r')) {
3140 p--;
3141 i--;
3142 }
3143 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3144 ret = 1;
3145 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3146 goto end;
3147 }
3148 BUF_reverse((unsigned char *)buf, NULL, i);
3149 buf[i] = '\n';
3150 BIO_write(io, buf, i + 1);
3151 for (;;) {
3152 i = BIO_flush(io);
3153 if (i > 0)
3154 break;
3155 if (!BIO_should_retry(io))
3156 goto end;
3157 }
3158 }
3159 }
3160 end:
3161 /* make sure we re-use sessions */
3162 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3163
3164 err:
3165
3166 OPENSSL_free(buf);
3167 BIO_free_all(io);
3168 return (ret);
3169 }
3170
3171 #define MAX_SESSION_ID_ATTEMPTS 10
3172 static int generate_session_id(const SSL *ssl, unsigned char *id,
3173 unsigned int *id_len)
3174 {
3175 unsigned int count = 0;
3176 do {
3177 if (RAND_bytes(id, *id_len) <= 0)
3178 return 0;
3179 /*
3180 * Prefix the session_id with the required prefix. NB: If our prefix
3181 * is too long, clip it - but there will be worse effects anyway, eg.
3182 * the server could only possibly create 1 session ID (ie. the
3183 * prefix!) so all future session negotiations will fail due to
3184 * conflicts.
3185 */
3186 memcpy(id, session_id_prefix,
3187 (strlen(session_id_prefix) < *id_len) ?
3188 strlen(session_id_prefix) : *id_len);
3189 }
3190 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3191 (++count < MAX_SESSION_ID_ATTEMPTS));
3192 if (count >= MAX_SESSION_ID_ATTEMPTS)
3193 return 0;
3194 return 1;
3195 }
3196
3197 /*
3198 * By default s_server uses an in-memory cache which caches SSL_SESSION
3199 * structures without any serialisation. This hides some bugs which only
3200 * become apparent in deployed servers. By implementing a basic external
3201 * session cache some issues can be debugged using s_server.
3202 */
3203
3204 typedef struct simple_ssl_session_st {
3205 unsigned char *id;
3206 unsigned int idlen;
3207 unsigned char *der;
3208 int derlen;
3209 struct simple_ssl_session_st *next;
3210 } simple_ssl_session;
3211
3212 static simple_ssl_session *first = NULL;
3213
3214 static int add_session(SSL *ssl, SSL_SESSION *session)
3215 {
3216 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3217 unsigned char *p;
3218
3219 SSL_SESSION_get_id(session, &sess->idlen);
3220 sess->derlen = i2d_SSL_SESSION(session, NULL);
3221 if (sess->derlen < 0) {
3222 BIO_printf(bio_err, "Error encoding session\n");
3223 OPENSSL_free(sess);
3224 return 0;
3225 }
3226
3227 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3228 sess->der = app_malloc(sess->derlen, "get session buffer");
3229 if (!sess->id) {
3230 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3231 OPENSSL_free(sess->id);
3232 OPENSSL_free(sess->der);
3233 OPENSSL_free(sess);
3234 return 0;
3235 }
3236 p = sess->der;
3237
3238 /* Assume it still works. */
3239 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3240 BIO_printf(bio_err, "Unexpected session encoding length\n");
3241 OPENSSL_free(sess->id);
3242 OPENSSL_free(sess->der);
3243 OPENSSL_free(sess);
3244 return 0;
3245 }
3246
3247 sess->next = first;
3248 first = sess;
3249 BIO_printf(bio_err, "New session added to external cache\n");
3250 return 0;
3251 }
3252
3253 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3254 int *do_copy)
3255 {
3256 simple_ssl_session *sess;
3257 *do_copy = 0;
3258 for (sess = first; sess; sess = sess->next) {
3259 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3260 const unsigned char *p = sess->der;
3261 BIO_printf(bio_err, "Lookup session: cache hit\n");
3262 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3263 }
3264 }
3265 BIO_printf(bio_err, "Lookup session: cache miss\n");
3266 return NULL;
3267 }
3268
3269 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3270 {
3271 simple_ssl_session *sess, *prev = NULL;
3272 const unsigned char *id;
3273 unsigned int idlen;
3274 id = SSL_SESSION_get_id(session, &idlen);
3275 for (sess = first; sess; sess = sess->next) {
3276 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3277 if (prev)
3278 prev->next = sess->next;
3279 else
3280 first = sess->next;
3281 OPENSSL_free(sess->id);
3282 OPENSSL_free(sess->der);
3283 OPENSSL_free(sess);
3284 return;
3285 }
3286 prev = sess;
3287 }
3288 }
3289
3290 static void init_session_cache_ctx(SSL_CTX *sctx)
3291 {
3292 SSL_CTX_set_session_cache_mode(sctx,
3293 SSL_SESS_CACHE_NO_INTERNAL |
3294 SSL_SESS_CACHE_SERVER);
3295 SSL_CTX_sess_set_new_cb(sctx, add_session);
3296 SSL_CTX_sess_set_get_cb(sctx, get_session);
3297 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3298 }
3299
3300 static void free_sessions(void)
3301 {
3302 simple_ssl_session *sess, *tsess;
3303 for (sess = first; sess;) {
3304 OPENSSL_free(sess->id);
3305 OPENSSL_free(sess->der);
3306 tsess = sess;
3307 sess = sess->next;
3308 OPENSSL_free(tsess);
3309 }
3310 first = NULL;
3311 }
3312
3313 #endif /* OPENSSL_NO_SOCK */
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