]> git.ipfire.org Git - thirdparty/openssl.git/blob - apps/s_server.c
projects / thirdparty / openssl.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Output prog name within error message
[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 #if defined(_WIN32)
47 /* Included before async.h to avoid some warnings */
48 # include <windows.h>
49 #endif
50
51 #include <openssl/e_os2.h>
52 #include <openssl/async.h>
53 #include <openssl/ssl.h>
54
55 #ifndef OPENSSL_NO_SOCK
56
57 /*
58 * With IPv6, it looks like Digital has mixed up the proper order of
59 * recursive header file inclusion, resulting in the compiler complaining
60 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
61 * needed to have fileno() declared correctly... So let's define u_int
62 */
63 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
64 # define __U_INT
65 typedef unsigned int u_int;
66 #endif
67
68 #include <openssl/lhash.h>
69 #include <openssl/bn.h>
70 #define USE_SOCKETS
71 #include "apps.h"
72 #include <openssl/err.h>
73 #include <openssl/pem.h>
74 #include <openssl/x509.h>
75 #include <openssl/ssl.h>
76 #include <openssl/rand.h>
77 #include <openssl/ocsp.h>
78 #ifndef OPENSSL_NO_DH
79 # include <openssl/dh.h>
80 #endif
81 #ifndef OPENSSL_NO_RSA
82 # include <openssl/rsa.h>
83 #endif
84 #ifndef OPENSSL_NO_SRP
85 # include <openssl/srp.h>
86 #endif
87 #include "s_apps.h"
88 #include "timeouts.h"
89 #ifdef CHARSET_EBCDIC
90 #include <openssl/ebcdic.h>
91 #endif
92
93 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
94 static int sv_body(int s, int stype, int prot, unsigned char *context);
95 static int www_body(int s, int stype, int prot, unsigned char *context);
96 static int rev_body(int s, int stype, int prot, unsigned char *context);
97 static void close_accept_socket(void);
98 static int init_ssl_connection(SSL *s);
99 static void print_stats(BIO *bp, SSL_CTX *ctx);
100 static int generate_session_id(const SSL *ssl, unsigned char *id,
101 unsigned int *id_len);
102 static void init_session_cache_ctx(SSL_CTX *sctx);
103 static void free_sessions(void);
104 #ifndef OPENSSL_NO_DH
105 static DH *load_dh_param(const char *dhfile);
106 #endif
107 static void print_connection_info(SSL *con);
108
109 static const int bufsize = 16 * 1024;
110 static int accept_socket = -1;
111
112 #define TEST_CERT "server.pem"
113 #define TEST_CERT2 "server2.pem"
114
115 static int s_nbio = 0;
116 static int s_nbio_test = 0;
117 static int s_crlf = 0;
118 static SSL_CTX *ctx = NULL;
119 static SSL_CTX *ctx2 = NULL;
120 static int www = 0;
121
122 static BIO *bio_s_out = NULL;
123 static BIO *bio_s_msg = NULL;
124 static int s_debug = 0;
125 static int s_tlsextdebug = 0;
126 static int s_msg = 0;
127 static int s_quiet = 0;
128 static int s_ign_eof = 0;
129 static int s_brief = 0;
130
131 static char *keymatexportlabel = NULL;
132 static int keymatexportlen = 20;
133
134 static int async = 0;
135
136 static const char *session_id_prefix = NULL;
137
138 #ifndef OPENSSL_NO_DTLS
139 static int enable_timeouts = 0;
140 static long socket_mtu;
141 #endif
142
143 /*
144 * We define this but make it always be 0 in no-dtls builds to simplify the
145 * code.
146 */
147 static int dtlslisten = 0;
148
149 static int early_data = 0;
150
151 #ifndef OPENSSL_NO_PSK
152 static const char psk_identity[] = "Client_identity";
153 char *psk_key = NULL; /* by default PSK is not used */
154
155 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
156 unsigned char *psk,
157 unsigned int max_psk_len)
158 {
159 long key_len = 0;
160 unsigned char *key;
161
162 if (s_debug)
163 BIO_printf(bio_s_out, "psk_server_cb\n");
164 if (!identity) {
165 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
166 goto out_err;
167 }
168 if (s_debug)
169 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
170 (int)strlen(identity), identity);
171
172 /* here we could lookup the given identity e.g. from a database */
173 if (strcmp(identity, psk_identity) != 0) {
174 BIO_printf(bio_s_out, "PSK error: client identity not found"
175 " (got '%s' expected '%s')\n", identity, psk_identity);
176 goto out_err;
177 }
178 if (s_debug)
179 BIO_printf(bio_s_out, "PSK client identity found\n");
180
181 /* convert the PSK key to binary */
182 key = OPENSSL_hexstr2buf(psk_key, &key_len);
183 if (key == NULL) {
184 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
185 psk_key);
186 return 0;
187 }
188 if (key_len > (int)max_psk_len) {
189 BIO_printf(bio_err,
190 "psk buffer of callback is too small (%d) for key (%ld)\n",
191 max_psk_len, key_len);
192 OPENSSL_free(key);
193 return 0;
194 }
195
196 memcpy(psk, key, key_len);
197 OPENSSL_free(key);
198
199 if (s_debug)
200 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
201 return key_len;
202 out_err:
203 if (s_debug)
204 BIO_printf(bio_err, "Error in PSK server callback\n");
205 (void)BIO_flush(bio_err);
206 (void)BIO_flush(bio_s_out);
207 return 0;
208 }
209 #endif
210
211 #ifndef OPENSSL_NO_SRP
212 /* This is a context that we pass to callbacks */
213 typedef struct srpsrvparm_st {
214 char *login;
215 SRP_VBASE *vb;
216 SRP_user_pwd *user;
217 } srpsrvparm;
218
219 /*
220 * This callback pretends to require some asynchronous logic in order to
221 * obtain a verifier. When the callback is called for a new connection we
222 * return with a negative value. This will provoke the accept etc to return
223 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
224 * (which would normally occur after a worker has finished) and we set the
225 * user parameters.
226 */
227 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
228 {
229 srpsrvparm *p = (srpsrvparm *) arg;
230 int ret = SSL3_AL_FATAL;
231
232 if (p->login == NULL && p->user == NULL) {
233 p->login = SSL_get_srp_username(s);
234 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
235 return (-1);
236 }
237
238 if (p->user == NULL) {
239 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
240 goto err;
241 }
242
243 if (SSL_set_srp_server_param
244 (s, p->user->N, p->user->g, p->user->s, p->user->v,
245 p->user->info) < 0) {
246 *ad = SSL_AD_INTERNAL_ERROR;
247 goto err;
248 }
249 BIO_printf(bio_err,
250 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
251 p->login, p->user->info);
252 ret = SSL_ERROR_NONE;
253
254 err:
255 SRP_user_pwd_free(p->user);
256 p->user = NULL;
257 p->login = NULL;
258 return ret;
259 }
260
261 #endif
262
263 static int local_argc = 0;
264 static char **local_argv;
265
266 #ifdef CHARSET_EBCDIC
267 static int ebcdic_new(BIO *bi);
268 static int ebcdic_free(BIO *a);
269 static int ebcdic_read(BIO *b, char *out, int outl);
270 static int ebcdic_write(BIO *b, const char *in, int inl);
271 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
272 static int ebcdic_gets(BIO *bp, char *buf, int size);
273 static int ebcdic_puts(BIO *bp, const char *str);
274
275 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
276 static BIO_METHOD *methods_ebcdic = NULL;
277
278 /* This struct is "unwarranted chumminess with the compiler." */
279 typedef struct {
280 size_t alloced;
281 char buff[1];
282 } EBCDIC_OUTBUFF;
283
284 static const BIO_METHOD *BIO_f_ebcdic_filter()
285 {
286 if (methods_ebcdic == NULL) {
287 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
288 "EBCDIC/ASCII filter");
289 if (methods_ebcdic == NULL
290 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
291 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
292 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
293 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
294 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
295 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
296 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
297 return NULL;
298 }
299 return methods_ebcdic;
300 }
301
302 static int ebcdic_new(BIO *bi)
303 {
304 EBCDIC_OUTBUFF *wbuf;
305
306 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
307 wbuf->alloced = 1024;
308 wbuf->buff[0] = '\0';
309
310 BIO_set_data(bi, wbuf);
311 BIO_set_init(bi, 1);
312 return 1;
313 }
314
315 static int ebcdic_free(BIO *a)
316 {
317 EBCDIC_OUTBUFF *wbuf;
318
319 if (a == NULL)
320 return 0;
321 wbuf = BIO_get_data(a);
322 OPENSSL_free(wbuf);
323 BIO_set_data(a, NULL);
324 BIO_set_init(a, 0);
325
326 return 1;
327 }
328
329 static int ebcdic_read(BIO *b, char *out, int outl)
330 {
331 int ret = 0;
332 BIO *next = BIO_next(b);
333
334 if (out == NULL || outl == 0)
335 return (0);
336 if (next == NULL)
337 return (0);
338
339 ret = BIO_read(next, out, outl);
340 if (ret > 0)
341 ascii2ebcdic(out, out, ret);
342 return ret;
343 }
344
345 static int ebcdic_write(BIO *b, const char *in, int inl)
346 {
347 EBCDIC_OUTBUFF *wbuf;
348 BIO *next = BIO_next(b);
349 int ret = 0;
350 int num;
351
352 if ((in == NULL) || (inl <= 0))
353 return (0);
354 if (next == NULL)
355 return 0;
356
357 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
358
359 if (inl > (num = wbuf->alloced)) {
360 num = num + num; /* double the size */
361 if (num < inl)
362 num = inl;
363 OPENSSL_free(wbuf);
364 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
365
366 wbuf->alloced = num;
367 wbuf->buff[0] = '\0';
368
369 BIO_set_data(b, wbuf);
370 }
371
372 ebcdic2ascii(wbuf->buff, in, inl);
373
374 ret = BIO_write(next, wbuf->buff, inl);
375
376 return (ret);
377 }
378
379 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
380 {
381 long ret;
382 BIO *next = BIO_next(b);
383
384 if (next == NULL)
385 return (0);
386 switch (cmd) {
387 case BIO_CTRL_DUP:
388 ret = 0L;
389 break;
390 default:
391 ret = BIO_ctrl(next, cmd, num, ptr);
392 break;
393 }
394 return (ret);
395 }
396
397 static int ebcdic_gets(BIO *bp, char *buf, int size)
398 {
399 int i, ret = 0;
400 BIO *next = BIO_next(bp);
401
402 if (next == NULL)
403 return 0;
404 /* return(BIO_gets(bp->next_bio,buf,size));*/
405 for (i = 0; i < size - 1; ++i) {
406 ret = ebcdic_read(bp, &buf[i], 1);
407 if (ret <= 0)
408 break;
409 else if (buf[i] == '\n') {
410 ++i;
411 break;
412 }
413 }
414 if (i < size)
415 buf[i] = '\0';
416 return (ret < 0 && i == 0) ? ret : i;
417 }
418
419 static int ebcdic_puts(BIO *bp, const char *str)
420 {
421 if (BIO_next(bp) == NULL)
422 return 0;
423 return ebcdic_write(bp, str, strlen(str));
424 }
425 #endif
426
427 /* This is a context that we pass to callbacks */
428 typedef struct tlsextctx_st {
429 char *servername;
430 BIO *biodebug;
431 int extension_error;
432 } tlsextctx;
433
434 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
435 {
436 tlsextctx *p = (tlsextctx *) arg;
437 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
438 if (servername && p->biodebug)
439 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
440 servername);
441
442 if (!p->servername)
443 return SSL_TLSEXT_ERR_NOACK;
444
445 if (servername) {
446 if (strcasecmp(servername, p->servername))
447 return p->extension_error;
448 if (ctx2) {
449 BIO_printf(p->biodebug, "Switching server context.\n");
450 SSL_set_SSL_CTX(s, ctx2);
451 }
452 }
453 return SSL_TLSEXT_ERR_OK;
454 }
455
456 /* Structure passed to cert status callback */
457 typedef struct tlsextstatusctx_st {
458 int timeout;
459 /* File to load OCSP Response from (or NULL if no file) */
460 char *respin;
461 /* Default responder to use */
462 char *host, *path, *port;
463 int use_ssl;
464 int verbose;
465 } tlsextstatusctx;
466
467 static tlsextstatusctx tlscstatp = { -1 };
468
469 #ifndef OPENSSL_NO_OCSP
470
471 /*
472 * Helper function to get an OCSP_RESPONSE from a responder. This is a
473 * simplified version. It examines certificates each time and makes one OCSP
474 * responder query for each request. A full version would store details such as
475 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
476 * them until they were considered "expired".
477 */
478 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
479 OCSP_RESPONSE **resp)
480 {
481 char *host = NULL, *port = NULL, *path = NULL;
482 int use_ssl;
483 STACK_OF(OPENSSL_STRING) *aia = NULL;
484 X509 *x = NULL;
485 X509_STORE_CTX *inctx = NULL;
486 X509_OBJECT *obj;
487 OCSP_REQUEST *req = NULL;
488 OCSP_CERTID *id = NULL;
489 STACK_OF(X509_EXTENSION) *exts;
490 int ret = SSL_TLSEXT_ERR_NOACK;
491 int i;
492
493 /* Build up OCSP query from server certificate */
494 x = SSL_get_certificate(s);
495 aia = X509_get1_ocsp(x);
496 if (aia) {
497 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
498 &host, &port, &path, &use_ssl)) {
499 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
500 goto err;
501 }
502 if (srctx->verbose)
503 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
504 sk_OPENSSL_STRING_value(aia, 0));
505 } else {
506 if (!srctx->host) {
507 BIO_puts(bio_err,
508 "cert_status: no AIA and no default responder URL\n");
509 goto done;
510 }
511 host = srctx->host;
512 path = srctx->path;
513 port = srctx->port;
514 use_ssl = srctx->use_ssl;
515 }
516
517 inctx = X509_STORE_CTX_new();
518 if (inctx == NULL)
519 goto err;
520 if (!X509_STORE_CTX_init(inctx,
521 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
522 NULL, NULL))
523 goto err;
524 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
525 X509_get_issuer_name(x));
526 if (obj == NULL) {
527 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
528 goto done;
529 }
530 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
531 X509_OBJECT_free(obj);
532 if (!id)
533 goto err;
534 req = OCSP_REQUEST_new();
535 if (req == NULL)
536 goto err;
537 if (!OCSP_request_add0_id(req, id))
538 goto err;
539 id = NULL;
540 /* Add any extensions to the request */
541 SSL_get_tlsext_status_exts(s, &exts);
542 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
543 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
544 if (!OCSP_REQUEST_add_ext(req, ext, -1))
545 goto err;
546 }
547 *resp = process_responder(req, host, path, port, use_ssl, NULL,
548 srctx->timeout);
549 if (*resp == NULL) {
550 BIO_puts(bio_err, "cert_status: error querying responder\n");
551 goto done;
552 }
553
554 ret = SSL_TLSEXT_ERR_OK;
555 goto done;
556
557 err:
558 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
559 done:
560 /*
561 * If we parsed aia we need to free; otherwise they were copied and we
562 * don't
563 */
564 if (aia != NULL) {
565 OPENSSL_free(host);
566 OPENSSL_free(path);
567 OPENSSL_free(port);
568 X509_email_free(aia);
569 }
570 OCSP_CERTID_free(id);
571 OCSP_REQUEST_free(req);
572 X509_STORE_CTX_free(inctx);
573 return ret;
574 }
575
576 /*
577 * Certificate Status callback. This is called when a client includes a
578 * certificate status request extension. The response is either obtained from a
579 * file, or from an OCSP responder.
580 */
581 static int cert_status_cb(SSL *s, void *arg)
582 {
583 tlsextstatusctx *srctx = arg;
584 OCSP_RESPONSE *resp = NULL;
585 unsigned char *rspder = NULL;
586 int rspderlen;
587 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
588
589 if (srctx->verbose)
590 BIO_puts(bio_err, "cert_status: callback called\n");
591
592 if (srctx->respin != NULL) {
593 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
594 if (derbio == NULL) {
595 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
596 goto err;
597 }
598 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
599 BIO_free(derbio);
600 if (resp == NULL) {
601 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
602 goto err;
603 }
604 } else {
605 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
606 if (ret != SSL_TLSEXT_ERR_OK)
607 goto err;
608 }
609
610 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
611 if (rspderlen <= 0)
612 goto err;
613
614 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
615 if (srctx->verbose) {
616 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
617 OCSP_RESPONSE_print(bio_err, resp, 2);
618 }
619
620 ret = SSL_TLSEXT_ERR_OK;
621
622 err:
623 if (ret != SSL_TLSEXT_ERR_OK)
624 ERR_print_errors(bio_err);
625
626 OCSP_RESPONSE_free(resp);
627
628 return ret;
629 }
630 #endif
631
632 #ifndef OPENSSL_NO_NEXTPROTONEG
633 /* This is the context that we pass to next_proto_cb */
634 typedef struct tlsextnextprotoctx_st {
635 unsigned char *data;
636 size_t len;
637 } tlsextnextprotoctx;
638
639 static int next_proto_cb(SSL *s, const unsigned char **data,
640 unsigned int *len, void *arg)
641 {
642 tlsextnextprotoctx *next_proto = arg;
643
644 *data = next_proto->data;
645 *len = next_proto->len;
646
647 return SSL_TLSEXT_ERR_OK;
648 }
649 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
650
651 /* This the context that we pass to alpn_cb */
652 typedef struct tlsextalpnctx_st {
653 unsigned char *data;
654 size_t len;
655 } tlsextalpnctx;
656
657 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
658 const unsigned char *in, unsigned int inlen, void *arg)
659 {
660 tlsextalpnctx *alpn_ctx = arg;
661
662 if (!s_quiet) {
663 /* We can assume that |in| is syntactically valid. */
664 unsigned int i;
665 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
666 for (i = 0; i < inlen;) {
667 if (i)
668 BIO_write(bio_s_out, ", ", 2);
669 BIO_write(bio_s_out, &in[i + 1], in[i]);
670 i += in[i] + 1;
671 }
672 BIO_write(bio_s_out, "\n", 1);
673 }
674
675 if (SSL_select_next_proto
676 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
677 inlen) != OPENSSL_NPN_NEGOTIATED) {
678 return SSL_TLSEXT_ERR_NOACK;
679 }
680
681 if (!s_quiet) {
682 BIO_printf(bio_s_out, "ALPN protocols selected: ");
683 BIO_write(bio_s_out, *out, *outlen);
684 BIO_write(bio_s_out, "\n", 1);
685 }
686
687 return SSL_TLSEXT_ERR_OK;
688 }
689
690 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
691 {
692 /* disable resumption for sessions with forward secure ciphers */
693 return is_forward_secure;
694 }
695
696 #ifndef OPENSSL_NO_SRP
697 static srpsrvparm srp_callback_parm;
698 #endif
699 #ifndef OPENSSL_NO_SRTP
700 static char *srtp_profiles = NULL;
701 #endif
702
703 typedef enum OPTION_choice {
704 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
705 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
706 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
707 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
708 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
709 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
710 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
711 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
712 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
713 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
714 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
715 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
716 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
717 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
718 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
719 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
720 OPT_SSL_CONFIG,
721 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
722 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
723 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
724 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
725 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
726 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
727 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_EARLY_DATA,
728 OPT_S_ENUM,
729 OPT_V_ENUM,
730 OPT_X_ENUM
731 } OPTION_CHOICE;
732
733 const OPTIONS s_server_options[] = {
734 {"help", OPT_HELP, '-', "Display this summary"},
735 {"port", OPT_PORT, 'p',
736 "TCP/IP port to listen on for connections (default is " PORT ")"},
737 {"accept", OPT_ACCEPT, 's',
738 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
739 #ifdef AF_UNIX
740 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
741 #endif
742 {"4", OPT_4, '-', "Use IPv4 only"},
743 {"6", OPT_6, '-', "Use IPv6 only"},
744 #ifdef AF_UNIX
745 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
746 #endif
747 {"context", OPT_CONTEXT, 's', "Set session ID context"},
748 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
749 {"Verify", OPT_UPPER_V_VERIFY, 'n',
750 "Turn on peer certificate verification, must have a cert"},
751 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
752 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
753 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
754 {"serverinfo", OPT_SERVERINFO, 's',
755 "PEM serverinfo file for certificate"},
756 {"certform", OPT_CERTFORM, 'F',
757 "Certificate format (PEM or DER) PEM default"},
758 {"key", OPT_KEY, '<',
759 "Private Key if not in -cert; default is " TEST_CERT},
760 {"keyform", OPT_KEYFORM, 'f',
761 "Key format (PEM, DER or ENGINE) PEM default"},
762 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
763 {"dcert", OPT_DCERT, '<',
764 "Second certificate file to use (usually for DSA)"},
765 {"dcertform", OPT_DCERTFORM, 'F',
766 "Second certificate format (PEM or DER) PEM default"},
767 {"dkey", OPT_DKEY, '<',
768 "Second private key file to use (usually for DSA)"},
769 {"dkeyform", OPT_DKEYFORM, 'F',
770 "Second key format (PEM, DER or ENGINE) PEM default"},
771 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
772 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
773 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
774 {"debug", OPT_DEBUG, '-', "Print more output"},
775 {"msg", OPT_MSG, '-', "Show protocol messages"},
776 {"msgfile", OPT_MSGFILE, '>',
777 "File to send output of -msg or -trace, instead of stdout"},
778 {"state", OPT_STATE, '-', "Print the SSL states"},
779 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
780 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
781 {"no-CAfile", OPT_NOCAFILE, '-',
782 "Do not load the default certificates file"},
783 {"no-CApath", OPT_NOCAPATH, '-',
784 "Do not load certificates from the default certificates directory"},
785 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
786 {"quiet", OPT_QUIET, '-', "No server output"},
787 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
788 "Disable caching and tickets if ephemeral (EC)DH is used"},
789 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
790 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
791 {"servername", OPT_SERVERNAME, 's',
792 "Servername for HostName TLS extension"},
793 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
794 "mismatch send fatal alert (default warning alert)"},
795 {"cert2", OPT_CERT2, '<',
796 "Certificate file to use for servername; default is" TEST_CERT2},
797 {"key2", OPT_KEY2, '<',
798 "-Private Key file to use for servername if not in -cert2"},
799 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
800 "Hex dump of all TLS extensions received"},
801 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
802 {"id_prefix", OPT_ID_PREFIX, 's',
803 "Generate SSL/TLS session IDs prefixed by arg"},
804 {"rand", OPT_RAND, 's',
805 "Load the file(s) into the random number generator"},
806 {"keymatexport", OPT_KEYMATEXPORT, 's',
807 "Export keying material using label"},
808 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
809 "Export len bytes of keying material (default 20)"},
810 {"CRL", OPT_CRL, '<', "CRL file to use"},
811 {"crl_download", OPT_CRL_DOWNLOAD, '-',
812 "Download CRL from distribution points"},
813 {"cert_chain", OPT_CERT_CHAIN, '<',
814 "certificate chain file in PEM format"},
815 {"dcert_chain", OPT_DCERT_CHAIN, '<',
816 "second certificate chain file in PEM format"},
817 {"chainCApath", OPT_CHAINCAPATH, '/',
818 "use dir as certificate store path to build CA certificate chain"},
819 {"verifyCApath", OPT_VERIFYCAPATH, '/',
820 "use dir as certificate store path to verify CA certificate"},
821 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
822 {"ext_cache", OPT_EXT_CACHE, '-',
823 "Disable internal cache, setup and use external cache"},
824 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
825 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
826 "Close connection on verification error"},
827 {"verify_quiet", OPT_VERIFY_QUIET, '-',
828 "No verify output except verify errors"},
829 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
830 {"chainCAfile", OPT_CHAINCAFILE, '<',
831 "CA file for certificate chain (PEM format)"},
832 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
833 "CA file for certificate verification (PEM format)"},
834 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
835 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
836 #ifndef OPENSSL_NO_OCSP
837 {"status", OPT_STATUS, '-', "Request certificate status from server"},
838 {"status_verbose", OPT_STATUS_VERBOSE, '-',
839 "Print more output in certificate status callback"},
840 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
841 "Status request responder timeout"},
842 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
843 {"status_file", OPT_STATUS_FILE, '<',
844 "File containing DER encoded OCSP Response"},
845 #endif
846 #ifndef OPENSSL_NO_SSL_TRACE
847 {"trace", OPT_TRACE, '-', "trace protocol messages"},
848 #endif
849 {"security_debug", OPT_SECURITY_DEBUG, '-',
850 "Print output from SSL/TLS security framework"},
851 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
852 "Print more output from SSL/TLS security framework"},
853 {"brief", OPT_BRIEF, '-',
854 "Restrict output to brief summary of connection parameters"},
855 {"rev", OPT_REV, '-',
856 "act as a simple test server which just sends back with the received text reversed"},
857 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
858 {"ssl_config", OPT_SSL_CONFIG, 's',
859 "Configure SSL_CTX using the configuration 'val'"},
860 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
861 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
862 "Size used to split data for encrypt pipelines"},
863 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
864 "Maximum number of encrypt/decrypt pipelines to be used"},
865 {"read_buf", OPT_READ_BUF, 'n',
866 "Default read buffer size to be used for connections"},
867 OPT_S_OPTIONS,
868 OPT_V_OPTIONS,
869 OPT_X_OPTIONS,
870 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
871 #ifndef OPENSSL_NO_PSK
872 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
873 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
874 #endif
875 #ifndef OPENSSL_NO_SRP
876 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
877 {"srpuserseed", OPT_SRPUSERSEED, 's',
878 "A seed string for a default user salt"},
879 #endif
880 #ifndef OPENSSL_NO_SSL3
881 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
882 #endif
883 #ifndef OPENSSL_NO_TLS1
884 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
885 #endif
886 #ifndef OPENSSL_NO_TLS1_1
887 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
888 #endif
889 #ifndef OPENSSL_NO_TLS1_2
890 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
891 #endif
892 #ifndef OPENSSL_NO_TLS1_3
893 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
894 #endif
895 #ifndef OPENSSL_NO_DTLS
896 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
897 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
898 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
899 {"listen", OPT_LISTEN, '-',
900 "Listen for a DTLS ClientHello with a cookie and then connect"},
901 #endif
902 #ifndef OPENSSL_NO_DTLS1
903 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
904 #endif
905 #ifndef OPENSSL_NO_DTLS1_2
906 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
907 #endif
908 #ifndef OPENSSL_NO_SCTP
909 {"sctp", OPT_SCTP, '-', "Use SCTP"},
910 #endif
911 #ifndef OPENSSL_NO_DH
912 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
913 #endif
914 #ifndef OPENSSL_NO_NEXTPROTONEG
915 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
916 "Set the advertised protocols for the NPN extension (comma-separated list)"},
917 #endif
918 #ifndef OPENSSL_NO_SRTP
919 {"use_srtp", OPT_SRTP_PROFILES, 's',
920 "Offer SRTP key management with a colon-separated profile list"},
921 #endif
922 {"alpn", OPT_ALPN, 's',
923 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
924 #ifndef OPENSSL_NO_ENGINE
925 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
926 #endif
927 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
928 {"max_early_data", OPT_MAX_EARLY, 'n',
929 "The maximum number of bytes of early data"},
930 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
931 {NULL, OPT_EOF, 0, NULL}
932 };
933
934 #define IS_PROT_FLAG(o) \
935 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
936 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
937
938 int s_server_main(int argc, char *argv[])
939 {
940 ENGINE *engine = NULL;
941 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
942 SSL_CONF_CTX *cctx = NULL;
943 const SSL_METHOD *meth = TLS_server_method();
944 SSL_EXCERT *exc = NULL;
945 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
946 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
947 STACK_OF(X509_CRL) *crls = NULL;
948 X509 *s_cert = NULL, *s_dcert = NULL;
949 X509_VERIFY_PARAM *vpm = NULL;
950 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
951 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
952 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
953 char *crl_file = NULL, *prog;
954 #ifdef AF_UNIX
955 int unlink_unix_path = 0;
956 #endif
957 do_server_cb server_cb;
958 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
959 #ifndef OPENSSL_NO_DH
960 char *dhfile = NULL;
961 int no_dhe = 0;
962 #endif
963 int nocert = 0, ret = 1;
964 int noCApath = 0, noCAfile = 0;
965 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
966 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
967 int rev = 0, naccept = -1, sdebug = 0;
968 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
969 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
970 char *host = NULL;
971 char *port = BUF_strdup(PORT);
972 unsigned char *context = NULL;
973 OPTION_CHOICE o;
974 EVP_PKEY *s_key2 = NULL;
975 X509 *s_cert2 = NULL;
976 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
977 const char *ssl_config = NULL;
978 int read_buf_len = 0;
979 #ifndef OPENSSL_NO_NEXTPROTONEG
980 const char *next_proto_neg_in = NULL;
981 tlsextnextprotoctx next_proto = { NULL, 0 };
982 #endif
983 const char *alpn_in = NULL;
984 tlsextalpnctx alpn_ctx = { NULL, 0 };
985 #ifndef OPENSSL_NO_PSK
986 /* by default do not send a PSK identity hint */
987 char *psk_identity_hint = NULL;
988 char *p;
989 #endif
990 #ifndef OPENSSL_NO_SRP
991 char *srpuserseed = NULL;
992 char *srp_verifier_file = NULL;
993 #endif
994 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
995 int s_server_verify = SSL_VERIFY_NONE;
996 int s_server_session_id_context = 1; /* anything will do */
997 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
998 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
999 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1000 #ifndef OPENSSL_NO_OCSP
1001 int s_tlsextstatus = 0;
1002 #endif
1003 int no_resume_ephemeral = 0;
1004 unsigned int max_send_fragment = 0;
1005 unsigned int split_send_fragment = 0, max_pipelines = 0;
1006 const char *s_serverinfo_file = NULL;
1007 const char *keylog_file = NULL;
1008 int max_early_data = -1;
1009
1010 /* Init of few remaining global variables */
1011 local_argc = argc;
1012 local_argv = argv;
1013
1014 ctx = ctx2 = NULL;
1015 s_nbio = s_nbio_test = 0;
1016 www = 0;
1017 bio_s_out = NULL;
1018 s_debug = 0;
1019 s_msg = 0;
1020 s_quiet = 0;
1021 s_brief = 0;
1022 async = 0;
1023
1024 cctx = SSL_CONF_CTX_new();
1025 vpm = X509_VERIFY_PARAM_new();
1026 if (cctx == NULL || vpm == NULL)
1027 goto end;
1028 SSL_CONF_CTX_set_flags(cctx,
1029 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1030
1031 prog = opt_init(argc, argv, s_server_options);
1032 while ((o = opt_next()) != OPT_EOF) {
1033 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1034 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1035 goto end;
1036 }
1037 if (IS_NO_PROT_FLAG(o))
1038 no_prot_opt++;
1039 if (prot_opt == 1 && no_prot_opt) {
1040 BIO_printf(bio_err,
1041 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1042 goto end;
1043 }
1044 switch (o) {
1045 case OPT_EOF:
1046 case OPT_ERR:
1047 opthelp:
1048 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1049 goto end;
1050 case OPT_HELP:
1051 opt_help(s_server_options);
1052 ret = 0;
1053 goto end;
1054
1055 case OPT_4:
1056 #ifdef AF_UNIX
1057 if (socket_family == AF_UNIX) {
1058 OPENSSL_free(host); host = NULL;
1059 OPENSSL_free(port); port = NULL;
1060 }
1061 #endif
1062 socket_family = AF_INET;
1063 break;
1064 case OPT_6:
1065 if (1) {
1066 #ifdef AF_INET6
1067 #ifdef AF_UNIX
1068 if (socket_family == AF_UNIX) {
1069 OPENSSL_free(host); host = NULL;
1070 OPENSSL_free(port); port = NULL;
1071 }
1072 #endif
1073 socket_family = AF_INET6;
1074 } else {
1075 #endif
1076 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1077 goto end;
1078 }
1079 break;
1080 case OPT_PORT:
1081 #ifdef AF_UNIX
1082 if (socket_family == AF_UNIX) {
1083 socket_family = AF_UNSPEC;
1084 }
1085 #endif
1086 OPENSSL_free(port); port = NULL;
1087 OPENSSL_free(host); host = NULL;
1088 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1089 BIO_printf(bio_err,
1090 "%s: -port argument malformed or ambiguous\n",
1091 port);
1092 goto end;
1093 }
1094 break;
1095 case OPT_ACCEPT:
1096 #ifdef AF_UNIX
1097 if (socket_family == AF_UNIX) {
1098 socket_family = AF_UNSPEC;
1099 }
1100 #endif
1101 OPENSSL_free(port); port = NULL;
1102 OPENSSL_free(host); host = NULL;
1103 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1104 BIO_printf(bio_err,
1105 "%s: -accept argument malformed or ambiguous\n",
1106 port);
1107 goto end;
1108 }
1109 break;
1110 #ifdef AF_UNIX
1111 case OPT_UNIX:
1112 socket_family = AF_UNIX;
1113 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1114 OPENSSL_free(port); port = NULL;
1115 break;
1116 case OPT_UNLINK:
1117 unlink_unix_path = 1;
1118 break;
1119 #endif
1120 case OPT_NACCEPT:
1121 naccept = atol(opt_arg());
1122 break;
1123 case OPT_VERIFY:
1124 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1125 verify_args.depth = atoi(opt_arg());
1126 if (!s_quiet)
1127 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1128 break;
1129 case OPT_UPPER_V_VERIFY:
1130 s_server_verify =
1131 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1132 SSL_VERIFY_CLIENT_ONCE;
1133 verify_args.depth = atoi(opt_arg());
1134 if (!s_quiet)
1135 BIO_printf(bio_err,
1136 "verify depth is %d, must return a certificate\n",
1137 verify_args.depth);
1138 break;
1139 case OPT_CONTEXT:
1140 context = (unsigned char *)opt_arg();
1141 break;
1142 case OPT_CERT:
1143 s_cert_file = opt_arg();
1144 break;
1145 case OPT_NAMEOPT:
1146 if (!set_nameopt(opt_arg()))
1147 goto end;
1148 break;
1149 case OPT_CRL:
1150 crl_file = opt_arg();
1151 break;
1152 case OPT_CRL_DOWNLOAD:
1153 crl_download = 1;
1154 break;
1155 case OPT_SERVERINFO:
1156 s_serverinfo_file = opt_arg();
1157 break;
1158 case OPT_CERTFORM:
1159 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1160 goto opthelp;
1161 break;
1162 case OPT_KEY:
1163 s_key_file = opt_arg();
1164 break;
1165 case OPT_KEYFORM:
1166 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1167 goto opthelp;
1168 break;
1169 case OPT_PASS:
1170 passarg = opt_arg();
1171 break;
1172 case OPT_CERT_CHAIN:
1173 s_chain_file = opt_arg();
1174 break;
1175 case OPT_DHPARAM:
1176 #ifndef OPENSSL_NO_DH
1177 dhfile = opt_arg();
1178 #endif
1179 break;
1180 case OPT_DCERTFORM:
1181 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1182 goto opthelp;
1183 break;
1184 case OPT_DCERT:
1185 s_dcert_file = opt_arg();
1186 break;
1187 case OPT_DKEYFORM:
1188 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1189 goto opthelp;
1190 break;
1191 case OPT_DPASS:
1192 dpassarg = opt_arg();
1193 break;
1194 case OPT_DKEY:
1195 s_dkey_file = opt_arg();
1196 break;
1197 case OPT_DCERT_CHAIN:
1198 s_dchain_file = opt_arg();
1199 break;
1200 case OPT_NOCERT:
1201 nocert = 1;
1202 break;
1203 case OPT_CAPATH:
1204 CApath = opt_arg();
1205 break;
1206 case OPT_NOCAPATH:
1207 noCApath = 1;
1208 break;
1209 case OPT_CHAINCAPATH:
1210 chCApath = opt_arg();
1211 break;
1212 case OPT_VERIFYCAPATH:
1213 vfyCApath = opt_arg();
1214 break;
1215 case OPT_NO_CACHE:
1216 no_cache = 1;
1217 break;
1218 case OPT_EXT_CACHE:
1219 ext_cache = 1;
1220 break;
1221 case OPT_CRLFORM:
1222 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1223 goto opthelp;
1224 break;
1225 case OPT_S_CASES:
1226 if (ssl_args == NULL)
1227 ssl_args = sk_OPENSSL_STRING_new_null();
1228 if (ssl_args == NULL
1229 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1230 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1231 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1232 goto end;
1233 }
1234 break;
1235 case OPT_V_CASES:
1236 if (!opt_verify(o, vpm))
1237 goto end;
1238 vpmtouched++;
1239 break;
1240 case OPT_X_CASES:
1241 if (!args_excert(o, &exc))
1242 goto end;
1243 break;
1244 case OPT_VERIFY_RET_ERROR:
1245 verify_args.return_error = 1;
1246 break;
1247 case OPT_VERIFY_QUIET:
1248 verify_args.quiet = 1;
1249 break;
1250 case OPT_BUILD_CHAIN:
1251 build_chain = 1;
1252 break;
1253 case OPT_CAFILE:
1254 CAfile = opt_arg();
1255 break;
1256 case OPT_NOCAFILE:
1257 noCAfile = 1;
1258 break;
1259 case OPT_CHAINCAFILE:
1260 chCAfile = opt_arg();
1261 break;
1262 case OPT_VERIFYCAFILE:
1263 vfyCAfile = opt_arg();
1264 break;
1265 case OPT_NBIO:
1266 s_nbio = 1;
1267 break;
1268 case OPT_NBIO_TEST:
1269 s_nbio = s_nbio_test = 1;
1270 break;
1271 case OPT_IGN_EOF:
1272 s_ign_eof = 1;
1273 break;
1274 case OPT_NO_IGN_EOF:
1275 s_ign_eof = 0;
1276 break;
1277 case OPT_DEBUG:
1278 s_debug = 1;
1279 break;
1280 case OPT_TLSEXTDEBUG:
1281 s_tlsextdebug = 1;
1282 break;
1283 case OPT_STATUS:
1284 #ifndef OPENSSL_NO_OCSP
1285 s_tlsextstatus = 1;
1286 #endif
1287 break;
1288 case OPT_STATUS_VERBOSE:
1289 #ifndef OPENSSL_NO_OCSP
1290 s_tlsextstatus = tlscstatp.verbose = 1;
1291 #endif
1292 break;
1293 case OPT_STATUS_TIMEOUT:
1294 #ifndef OPENSSL_NO_OCSP
1295 s_tlsextstatus = 1;
1296 tlscstatp.timeout = atoi(opt_arg());
1297 #endif
1298 break;
1299 case OPT_STATUS_URL:
1300 #ifndef OPENSSL_NO_OCSP
1301 s_tlsextstatus = 1;
1302 if (!OCSP_parse_url(opt_arg(),
1303 &tlscstatp.host,
1304 &tlscstatp.port,
1305 &tlscstatp.path, &tlscstatp.use_ssl)) {
1306 BIO_printf(bio_err, "Error parsing URL\n");
1307 goto end;
1308 }
1309 #endif
1310 break;
1311 case OPT_STATUS_FILE:
1312 #ifndef OPENSSL_NO_OCSP
1313 s_tlsextstatus = 1;
1314 tlscstatp.respin = opt_arg();
1315 #endif
1316 break;
1317 case OPT_MSG:
1318 s_msg = 1;
1319 break;
1320 case OPT_MSGFILE:
1321 bio_s_msg = BIO_new_file(opt_arg(), "w");
1322 break;
1323 case OPT_TRACE:
1324 #ifndef OPENSSL_NO_SSL_TRACE
1325 s_msg = 2;
1326 #endif
1327 break;
1328 case OPT_SECURITY_DEBUG:
1329 sdebug = 1;
1330 break;
1331 case OPT_SECURITY_DEBUG_VERBOSE:
1332 sdebug = 2;
1333 break;
1334 case OPT_STATE:
1335 state = 1;
1336 break;
1337 case OPT_CRLF:
1338 s_crlf = 1;
1339 break;
1340 case OPT_QUIET:
1341 s_quiet = 1;
1342 break;
1343 case OPT_BRIEF:
1344 s_quiet = s_brief = verify_args.quiet = 1;
1345 break;
1346 case OPT_NO_DHE:
1347 #ifndef OPENSSL_NO_DH
1348 no_dhe = 1;
1349 #endif
1350 break;
1351 case OPT_NO_RESUME_EPHEMERAL:
1352 no_resume_ephemeral = 1;
1353 break;
1354 case OPT_PSK_HINT:
1355 #ifndef OPENSSL_NO_PSK
1356 psk_identity_hint = opt_arg();
1357 #endif
1358 break;
1359 case OPT_PSK:
1360 #ifndef OPENSSL_NO_PSK
1361 for (p = psk_key = opt_arg(); *p; p++) {
1362 if (isxdigit(_UC(*p)))
1363 continue;
1364 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1365 goto end;
1366 }
1367 #endif
1368 break;
1369 case OPT_SRPVFILE:
1370 #ifndef OPENSSL_NO_SRP
1371 srp_verifier_file = opt_arg();
1372 if (min_version < TLS1_VERSION)
1373 min_version = TLS1_VERSION;
1374 #endif
1375 break;
1376 case OPT_SRPUSERSEED:
1377 #ifndef OPENSSL_NO_SRP
1378 srpuserseed = opt_arg();
1379 if (min_version < TLS1_VERSION)
1380 min_version = TLS1_VERSION;
1381 #endif
1382 break;
1383 case OPT_REV:
1384 rev = 1;
1385 break;
1386 case OPT_WWW:
1387 www = 1;
1388 break;
1389 case OPT_UPPER_WWW:
1390 www = 2;
1391 break;
1392 case OPT_HTTP:
1393 www = 3;
1394 break;
1395 case OPT_SSL_CONFIG:
1396 ssl_config = opt_arg();
1397 break;
1398 case OPT_SSL3:
1399 min_version = SSL3_VERSION;
1400 max_version = SSL3_VERSION;
1401 break;
1402 case OPT_TLS1_3:
1403 min_version = TLS1_3_VERSION;
1404 max_version = TLS1_3_VERSION;
1405 break;
1406 case OPT_TLS1_2:
1407 min_version = TLS1_2_VERSION;
1408 max_version = TLS1_2_VERSION;
1409 break;
1410 case OPT_TLS1_1:
1411 min_version = TLS1_1_VERSION;
1412 max_version = TLS1_1_VERSION;
1413 break;
1414 case OPT_TLS1:
1415 min_version = TLS1_VERSION;
1416 max_version = TLS1_VERSION;
1417 break;
1418 case OPT_DTLS:
1419 #ifndef OPENSSL_NO_DTLS
1420 meth = DTLS_server_method();
1421 socket_type = SOCK_DGRAM;
1422 #endif
1423 break;
1424 case OPT_DTLS1:
1425 #ifndef OPENSSL_NO_DTLS
1426 meth = DTLS_server_method();
1427 min_version = DTLS1_VERSION;
1428 max_version = DTLS1_VERSION;
1429 socket_type = SOCK_DGRAM;
1430 #endif
1431 break;
1432 case OPT_DTLS1_2:
1433 #ifndef OPENSSL_NO_DTLS
1434 meth = DTLS_server_method();
1435 min_version = DTLS1_2_VERSION;
1436 max_version = DTLS1_2_VERSION;
1437 socket_type = SOCK_DGRAM;
1438 #endif
1439 break;
1440 case OPT_SCTP:
1441 #ifndef OPENSSL_NO_SCTP
1442 protocol = IPPROTO_SCTP;
1443 #endif
1444 break;
1445 case OPT_TIMEOUT:
1446 #ifndef OPENSSL_NO_DTLS
1447 enable_timeouts = 1;
1448 #endif
1449 break;
1450 case OPT_MTU:
1451 #ifndef OPENSSL_NO_DTLS
1452 socket_mtu = atol(opt_arg());
1453 #endif
1454 break;
1455 case OPT_LISTEN:
1456 #ifndef OPENSSL_NO_DTLS
1457 dtlslisten = 1;
1458 #endif
1459 break;
1460 case OPT_ID_PREFIX:
1461 session_id_prefix = opt_arg();
1462 break;
1463 case OPT_ENGINE:
1464 engine = setup_engine(opt_arg(), 1);
1465 break;
1466 case OPT_RAND:
1467 inrand = opt_arg();
1468 break;
1469 case OPT_SERVERNAME:
1470 tlsextcbp.servername = opt_arg();
1471 break;
1472 case OPT_SERVERNAME_FATAL:
1473 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1474 break;
1475 case OPT_CERT2:
1476 s_cert_file2 = opt_arg();
1477 break;
1478 case OPT_KEY2:
1479 s_key_file2 = opt_arg();
1480 break;
1481 case OPT_NEXTPROTONEG:
1482 # ifndef OPENSSL_NO_NEXTPROTONEG
1483 next_proto_neg_in = opt_arg();
1484 #endif
1485 break;
1486 case OPT_ALPN:
1487 alpn_in = opt_arg();
1488 break;
1489 case OPT_SRTP_PROFILES:
1490 #ifndef OPENSSL_NO_SRTP
1491 srtp_profiles = opt_arg();
1492 #endif
1493 break;
1494 case OPT_KEYMATEXPORT:
1495 keymatexportlabel = opt_arg();
1496 break;
1497 case OPT_KEYMATEXPORTLEN:
1498 keymatexportlen = atoi(opt_arg());
1499 break;
1500 case OPT_ASYNC:
1501 async = 1;
1502 break;
1503 case OPT_MAX_SEND_FRAG:
1504 max_send_fragment = atoi(opt_arg());
1505 if (max_send_fragment == 0) {
1506 /*
1507 * Not allowed - set to a deliberately bad value so we get an
1508 * error message below
1509 */
1510 max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1511 }
1512 break;
1513 case OPT_SPLIT_SEND_FRAG:
1514 split_send_fragment = atoi(opt_arg());
1515 if (split_send_fragment == 0) {
1516 /*
1517 * Not allowed - set to a deliberately bad value so we get an
1518 * error message below
1519 */
1520 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1521 }
1522 break;
1523 case OPT_MAX_PIPELINES:
1524 max_pipelines = atoi(opt_arg());
1525 break;
1526 case OPT_READ_BUF:
1527 read_buf_len = atoi(opt_arg());
1528 break;
1529 case OPT_KEYLOG_FILE:
1530 keylog_file = opt_arg();
1531 break;
1532 case OPT_MAX_EARLY:
1533 max_early_data = atoi(opt_arg());
1534 if (max_early_data < 0) {
1535 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1536 goto end;
1537 }
1538 break;
1539 case OPT_EARLY_DATA:
1540 early_data = 1;
1541 break;
1542 }
1543 }
1544 argc = opt_num_rest();
1545 argv = opt_rest();
1546
1547 #ifndef OPENSSL_NO_DTLS
1548 if (www && socket_type == SOCK_DGRAM) {
1549 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1550 goto end;
1551 }
1552
1553 if (dtlslisten && socket_type != SOCK_DGRAM) {
1554 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1555 goto end;
1556 }
1557 #endif
1558
1559 #ifdef AF_UNIX
1560 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1561 BIO_printf(bio_err,
1562 "Can't use unix sockets and datagrams together\n");
1563 goto end;
1564 }
1565 #endif
1566
1567 #ifndef OPENSSL_NO_SCTP
1568 if (protocol == IPPROTO_SCTP) {
1569 if (socket_type != SOCK_DGRAM) {
1570 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1571 goto end;
1572 }
1573 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1574 socket_type = SOCK_STREAM;
1575 }
1576 #endif
1577 if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1578 BIO_printf(bio_err, "%s: Bad max send fragment size\n", prog);
1579 goto end;
1580 }
1581
1582 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1583 BIO_printf(bio_err, "%s:Bad split send fragment size\n", prog);
1584 goto end;
1585 }
1586
1587 if (max_pipelines > SSL_MAX_PIPELINES) {
1588 BIO_printf(bio_err, "%s:too large max-pipelines value\n", prog);
1589 goto end;
1590 }
1591
1592 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1593 BIO_printf(bio_err, "Error getting password\n");
1594 goto end;
1595 }
1596
1597 if (s_key_file == NULL)
1598 s_key_file = s_cert_file;
1599
1600 if (s_key_file2 == NULL)
1601 s_key_file2 = s_cert_file2;
1602
1603 if (!load_excert(&exc))
1604 goto end;
1605
1606 if (nocert == 0) {
1607 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1608 "server certificate private key file");
1609 if (!s_key) {
1610 ERR_print_errors(bio_err);
1611 goto end;
1612 }
1613
1614 s_cert = load_cert(s_cert_file, s_cert_format,
1615 "server certificate file");
1616
1617 if (!s_cert) {
1618 ERR_print_errors(bio_err);
1619 goto end;
1620 }
1621 if (s_chain_file) {
1622 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1623 "server certificate chain"))
1624 goto end;
1625 }
1626
1627 if (tlsextcbp.servername) {
1628 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1629 "second server certificate private key file");
1630 if (!s_key2) {
1631 ERR_print_errors(bio_err);
1632 goto end;
1633 }
1634
1635 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1636 "second server certificate file");
1637
1638 if (!s_cert2) {
1639 ERR_print_errors(bio_err);
1640 goto end;
1641 }
1642 }
1643 }
1644 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1645 if (next_proto_neg_in) {
1646 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1647 if (next_proto.data == NULL)
1648 goto end;
1649 }
1650 #endif
1651 alpn_ctx.data = NULL;
1652 if (alpn_in) {
1653 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1654 if (alpn_ctx.data == NULL)
1655 goto end;
1656 }
1657
1658 if (crl_file) {
1659 X509_CRL *crl;
1660 crl = load_crl(crl_file, crl_format);
1661 if (!crl) {
1662 BIO_puts(bio_err, "Error loading CRL\n");
1663 ERR_print_errors(bio_err);
1664 goto end;
1665 }
1666 crls = sk_X509_CRL_new_null();
1667 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1668 BIO_puts(bio_err, "Error adding CRL\n");
1669 ERR_print_errors(bio_err);
1670 X509_CRL_free(crl);
1671 goto end;
1672 }
1673 }
1674
1675 if (s_dcert_file) {
1676
1677 if (s_dkey_file == NULL)
1678 s_dkey_file = s_dcert_file;
1679
1680 s_dkey = load_key(s_dkey_file, s_dkey_format,
1681 0, dpass, engine, "second certificate private key file");
1682 if (!s_dkey) {
1683 ERR_print_errors(bio_err);
1684 goto end;
1685 }
1686
1687 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1688 "second server certificate file");
1689
1690 if (!s_dcert) {
1691 ERR_print_errors(bio_err);
1692 goto end;
1693 }
1694 if (s_dchain_file) {
1695 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1696 "second server certificate chain"))
1697 goto end;
1698 }
1699
1700 }
1701
1702 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1703 && !RAND_status()) {
1704 BIO_printf(bio_err,
1705 "warning, not much extra random data, consider using the -rand option\n");
1706 }
1707 if (inrand != NULL)
1708 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1709 app_RAND_load_files(inrand));
1710
1711 if (bio_s_out == NULL) {
1712 if (s_quiet && !s_debug) {
1713 bio_s_out = BIO_new(BIO_s_null());
1714 if (s_msg && !bio_s_msg)
1715 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1716 } else {
1717 if (bio_s_out == NULL)
1718 bio_s_out = dup_bio_out(FORMAT_TEXT);
1719 }
1720 }
1721 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1722 if (nocert)
1723 #endif
1724 {
1725 s_cert_file = NULL;
1726 s_key_file = NULL;
1727 s_dcert_file = NULL;
1728 s_dkey_file = NULL;
1729 s_cert_file2 = NULL;
1730 s_key_file2 = NULL;
1731 }
1732
1733 ctx = SSL_CTX_new(meth);
1734 if (ctx == NULL) {
1735 ERR_print_errors(bio_err);
1736 goto end;
1737 }
1738 if (sdebug)
1739 ssl_ctx_security_debug(ctx, sdebug);
1740 if (ssl_config) {
1741 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1742 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1743 ssl_config);
1744 ERR_print_errors(bio_err);
1745 goto end;
1746 }
1747 }
1748 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1749 goto end;
1750 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1751 goto end;
1752
1753 if (session_id_prefix) {
1754 if (strlen(session_id_prefix) >= 32)
1755 BIO_printf(bio_err,
1756 "warning: id_prefix is too long, only one new session will be possible\n");
1757 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1758 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1759 ERR_print_errors(bio_err);
1760 goto end;
1761 }
1762 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1763 }
1764 SSL_CTX_set_quiet_shutdown(ctx, 1);
1765 if (exc)
1766 ssl_ctx_set_excert(ctx, exc);
1767
1768 if (state)
1769 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1770 if (no_cache)
1771 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1772 else if (ext_cache)
1773 init_session_cache_ctx(ctx);
1774 else
1775 SSL_CTX_sess_set_cache_size(ctx, 128);
1776
1777 if (async) {
1778 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1779 }
1780
1781 if (max_send_fragment > 0)
1782 SSL_CTX_set_max_send_fragment(ctx, max_send_fragment);
1783
1784 if (split_send_fragment > 0) {
1785 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1786 }
1787 if (max_pipelines > 0) {
1788 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1789 }
1790
1791 if (read_buf_len > 0) {
1792 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1793 }
1794 #ifndef OPENSSL_NO_SRTP
1795 if (srtp_profiles != NULL) {
1796 /* Returns 0 on success! */
1797 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1798 BIO_printf(bio_err, "Error setting SRTP profile\n");
1799 ERR_print_errors(bio_err);
1800 goto end;
1801 }
1802 }
1803 #endif
1804
1805 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1806 ERR_print_errors(bio_err);
1807 goto end;
1808 }
1809 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1810 BIO_printf(bio_err, "Error setting verify params\n");
1811 ERR_print_errors(bio_err);
1812 goto end;
1813 }
1814
1815 ssl_ctx_add_crls(ctx, crls, 0);
1816 if (!config_ctx(cctx, ssl_args, ctx))
1817 goto end;
1818
1819 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1820 crls, crl_download)) {
1821 BIO_printf(bio_err, "Error loading store locations\n");
1822 ERR_print_errors(bio_err);
1823 goto end;
1824 }
1825
1826 if (s_cert2) {
1827 ctx2 = SSL_CTX_new(meth);
1828 if (ctx2 == NULL) {
1829 ERR_print_errors(bio_err);
1830 goto end;
1831 }
1832 }
1833
1834 if (ctx2) {
1835 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1836
1837 if (sdebug)
1838 ssl_ctx_security_debug(ctx, sdebug);
1839
1840 if (session_id_prefix) {
1841 if (strlen(session_id_prefix) >= 32)
1842 BIO_printf(bio_err,
1843 "warning: id_prefix is too long, only one new session will be possible\n");
1844 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1845 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1846 ERR_print_errors(bio_err);
1847 goto end;
1848 }
1849 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1850 }
1851 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1852 if (exc)
1853 ssl_ctx_set_excert(ctx2, exc);
1854
1855 if (state)
1856 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1857
1858 if (no_cache)
1859 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1860 else if (ext_cache)
1861 init_session_cache_ctx(ctx2);
1862 else
1863 SSL_CTX_sess_set_cache_size(ctx2, 128);
1864
1865 if (async)
1866 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1867
1868 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1869 noCApath)) {
1870 ERR_print_errors(bio_err);
1871 goto end;
1872 }
1873 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1874 BIO_printf(bio_err, "Error setting verify params\n");
1875 ERR_print_errors(bio_err);
1876 goto end;
1877 }
1878
1879 ssl_ctx_add_crls(ctx2, crls, 0);
1880 if (!config_ctx(cctx, ssl_args, ctx2))
1881 goto end;
1882 }
1883 #ifndef OPENSSL_NO_NEXTPROTONEG
1884 if (next_proto.data)
1885 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1886 &next_proto);
1887 #endif
1888 if (alpn_ctx.data)
1889 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1890
1891 #ifndef OPENSSL_NO_DH
1892 if (!no_dhe) {
1893 DH *dh = NULL;
1894
1895 if (dhfile)
1896 dh = load_dh_param(dhfile);
1897 else if (s_cert_file)
1898 dh = load_dh_param(s_cert_file);
1899
1900 if (dh != NULL) {
1901 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1902 } else {
1903 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1904 }
1905 (void)BIO_flush(bio_s_out);
1906
1907 if (dh == NULL)
1908 SSL_CTX_set_dh_auto(ctx, 1);
1909 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1910 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1911 ERR_print_errors(bio_err);
1912 DH_free(dh);
1913 goto end;
1914 }
1915
1916 if (ctx2) {
1917 if (!dhfile) {
1918 DH *dh2 = load_dh_param(s_cert_file2);
1919 if (dh2 != NULL) {
1920 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1921 (void)BIO_flush(bio_s_out);
1922
1923 DH_free(dh);
1924 dh = dh2;
1925 }
1926 }
1927 if (dh == NULL)
1928 SSL_CTX_set_dh_auto(ctx2, 1);
1929 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1930 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1931 ERR_print_errors(bio_err);
1932 DH_free(dh);
1933 goto end;
1934 }
1935 }
1936 DH_free(dh);
1937 }
1938 #endif
1939
1940 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1941 goto end;
1942
1943 if (s_serverinfo_file != NULL
1944 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1945 ERR_print_errors(bio_err);
1946 goto end;
1947 }
1948
1949 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1950 goto end;
1951
1952 if (s_dcert != NULL) {
1953 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1954 goto end;
1955 }
1956
1957 if (no_resume_ephemeral) {
1958 SSL_CTX_set_not_resumable_session_callback(ctx,
1959 not_resumable_sess_cb);
1960
1961 if (ctx2)
1962 SSL_CTX_set_not_resumable_session_callback(ctx2,
1963 not_resumable_sess_cb);
1964 }
1965 #ifndef OPENSSL_NO_PSK
1966 if (psk_key != NULL) {
1967 if (s_debug)
1968 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1969 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1970 }
1971
1972 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1973 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1974 ERR_print_errors(bio_err);
1975 goto end;
1976 }
1977 #endif
1978
1979 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1980 if (!SSL_CTX_set_session_id_context(ctx,
1981 (void *)&s_server_session_id_context,
1982 sizeof s_server_session_id_context)) {
1983 BIO_printf(bio_err, "error setting session id context\n");
1984 ERR_print_errors(bio_err);
1985 goto end;
1986 }
1987
1988 /* Set DTLS cookie generation and verification callbacks */
1989 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1990 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1991
1992 if (ctx2) {
1993 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1994 if (!SSL_CTX_set_session_id_context(ctx2,
1995 (void *)&s_server_session_id_context,
1996 sizeof s_server_session_id_context)) {
1997 BIO_printf(bio_err, "error setting session id context\n");
1998 ERR_print_errors(bio_err);
1999 goto end;
2000 }
2001 tlsextcbp.biodebug = bio_s_out;
2002 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2003 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2004 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2005 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2006 }
2007
2008 #ifndef OPENSSL_NO_SRP
2009 if (srp_verifier_file != NULL) {
2010 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2011 srp_callback_parm.user = NULL;
2012 srp_callback_parm.login = NULL;
2013 if ((ret =
2014 SRP_VBASE_init(srp_callback_parm.vb,
2015 srp_verifier_file)) != SRP_NO_ERROR) {
2016 BIO_printf(bio_err,
2017 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2018 srp_verifier_file, ret);
2019 goto end;
2020 }
2021 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2022 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2023 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2024 } else
2025 #endif
2026 if (CAfile != NULL) {
2027 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2028
2029 if (ctx2)
2030 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2031 }
2032 #ifndef OPENSSL_NO_OCSP
2033 if (s_tlsextstatus) {
2034 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2035 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2036 if (ctx2) {
2037 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2038 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2039 }
2040 }
2041 #endif
2042 if (set_keylog_file(ctx, keylog_file))
2043 goto end;
2044
2045 if (max_early_data >= 0)
2046 SSL_CTX_set_max_early_data(ctx, max_early_data);
2047
2048 BIO_printf(bio_s_out, "ACCEPT\n");
2049 (void)BIO_flush(bio_s_out);
2050 if (rev)
2051 server_cb = rev_body;
2052 else if (www)
2053 server_cb = www_body;
2054 else
2055 server_cb = sv_body;
2056 #ifdef AF_UNIX
2057 if (socket_family == AF_UNIX
2058 && unlink_unix_path)
2059 unlink(host);
2060 #endif
2061 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2062 server_cb, context, naccept);
2063 print_stats(bio_s_out, ctx);
2064 ret = 0;
2065 end:
2066 SSL_CTX_free(ctx);
2067 set_keylog_file(NULL, NULL);
2068 X509_free(s_cert);
2069 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2070 X509_free(s_dcert);
2071 EVP_PKEY_free(s_key);
2072 EVP_PKEY_free(s_dkey);
2073 sk_X509_pop_free(s_chain, X509_free);
2074 sk_X509_pop_free(s_dchain, X509_free);
2075 OPENSSL_free(pass);
2076 OPENSSL_free(dpass);
2077 OPENSSL_free(host);
2078 OPENSSL_free(port);
2079 X509_VERIFY_PARAM_free(vpm);
2080 free_sessions();
2081 OPENSSL_free(tlscstatp.host);
2082 OPENSSL_free(tlscstatp.port);
2083 OPENSSL_free(tlscstatp.path);
2084 SSL_CTX_free(ctx2);
2085 X509_free(s_cert2);
2086 EVP_PKEY_free(s_key2);
2087 #ifndef OPENSSL_NO_NEXTPROTONEG
2088 OPENSSL_free(next_proto.data);
2089 #endif
2090 OPENSSL_free(alpn_ctx.data);
2091 ssl_excert_free(exc);
2092 sk_OPENSSL_STRING_free(ssl_args);
2093 SSL_CONF_CTX_free(cctx);
2094 release_engine(engine);
2095 BIO_free(bio_s_out);
2096 bio_s_out = NULL;
2097 BIO_free(bio_s_msg);
2098 bio_s_msg = NULL;
2099 #ifdef CHARSET_EBCDIC
2100 BIO_meth_free(methods_ebcdic);
2101 #endif
2102 return (ret);
2103 }
2104
2105 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2106 {
2107 BIO_printf(bio, "%4ld items in the session cache\n",
2108 SSL_CTX_sess_number(ssl_ctx));
2109 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2110 SSL_CTX_sess_connect(ssl_ctx));
2111 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2112 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2113 BIO_printf(bio, "%4ld client connects that finished\n",
2114 SSL_CTX_sess_connect_good(ssl_ctx));
2115 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2116 SSL_CTX_sess_accept(ssl_ctx));
2117 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2118 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2119 BIO_printf(bio, "%4ld server accepts that finished\n",
2120 SSL_CTX_sess_accept_good(ssl_ctx));
2121 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2122 BIO_printf(bio, "%4ld session cache misses\n",
2123 SSL_CTX_sess_misses(ssl_ctx));
2124 BIO_printf(bio, "%4ld session cache timeouts\n",
2125 SSL_CTX_sess_timeouts(ssl_ctx));
2126 BIO_printf(bio, "%4ld callback cache hits\n",
2127 SSL_CTX_sess_cb_hits(ssl_ctx));
2128 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2129 SSL_CTX_sess_cache_full(ssl_ctx),
2130 SSL_CTX_sess_get_cache_size(ssl_ctx));
2131 }
2132
2133 static int sv_body(int s, int stype, int prot, unsigned char *context)
2134 {
2135 char *buf = NULL;
2136 fd_set readfds;
2137 int ret = 1, width;
2138 int k, i;
2139 unsigned long l;
2140 SSL *con = NULL;
2141 BIO *sbio;
2142 struct timeval timeout;
2143 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2144 struct timeval tv;
2145 #else
2146 struct timeval *timeoutp;
2147 #endif
2148 #ifndef OPENSSL_NO_DTLS
2149 # ifndef OPENSSL_NO_SCTP
2150 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2151 # else
2152 int isdtls = (stype == SOCK_DGRAM);
2153 # endif
2154 #endif
2155
2156 buf = app_malloc(bufsize, "server buffer");
2157 if (s_nbio) {
2158 if (!BIO_socket_nbio(s, 1))
2159 ERR_print_errors(bio_err);
2160 else if (!s_quiet)
2161 BIO_printf(bio_err, "Turned on non blocking io\n");
2162 }
2163
2164 if (con == NULL) {
2165 con = SSL_new(ctx);
2166
2167 if (s_tlsextdebug) {
2168 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2169 SSL_set_tlsext_debug_arg(con, bio_s_out);
2170 }
2171
2172 if (context
2173 && !SSL_set_session_id_context(con,
2174 context, strlen((char *)context))) {
2175 BIO_printf(bio_err, "Error setting session id context\n");
2176 ret = -1;
2177 goto err;
2178 }
2179 }
2180 if (!SSL_clear(con)) {
2181 BIO_printf(bio_err, "Error clearing SSL connection\n");
2182 ret = -1;
2183 goto err;
2184 }
2185 #ifndef OPENSSL_NO_DTLS
2186 if (isdtls) {
2187 # ifndef OPENSSL_NO_SCTP
2188 if (prot == IPPROTO_SCTP)
2189 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2190 else
2191 # endif
2192 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2193
2194 if (enable_timeouts) {
2195 timeout.tv_sec = 0;
2196 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2197 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2198
2199 timeout.tv_sec = 0;
2200 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2201 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2202 }
2203
2204 if (socket_mtu) {
2205 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2206 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2207 DTLS_get_link_min_mtu(con));
2208 ret = -1;
2209 BIO_free(sbio);
2210 goto err;
2211 }
2212 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2213 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2214 BIO_printf(bio_err, "Failed to set MTU\n");
2215 ret = -1;
2216 BIO_free(sbio);
2217 goto err;
2218 }
2219 } else
2220 /* want to do MTU discovery */
2221 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2222
2223 # ifndef OPENSSL_NO_SCTP
2224 if (prot != IPPROTO_SCTP) {
2225 /* Turn on cookie exchange. Not necessary for SCTP */
2226 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2227 }
2228 # endif
2229 } else
2230 #endif
2231 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2232
2233 if (sbio == NULL) {
2234 BIO_printf(bio_err, "Unable to create BIO\n");
2235 ERR_print_errors(bio_err);
2236 goto err;
2237 }
2238
2239 if (s_nbio_test) {
2240 BIO *test;
2241
2242 test = BIO_new(BIO_f_nbio_test());
2243 sbio = BIO_push(test, sbio);
2244 }
2245
2246 SSL_set_bio(con, sbio, sbio);
2247 SSL_set_accept_state(con);
2248 /* SSL_set_fd(con,s); */
2249
2250 if (s_debug) {
2251 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2252 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2253 }
2254 if (s_msg) {
2255 #ifndef OPENSSL_NO_SSL_TRACE
2256 if (s_msg == 2)
2257 SSL_set_msg_callback(con, SSL_trace);
2258 else
2259 #endif
2260 SSL_set_msg_callback(con, msg_cb);
2261 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2262 }
2263
2264 if (s_tlsextdebug) {
2265 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2266 SSL_set_tlsext_debug_arg(con, bio_s_out);
2267 }
2268
2269 if (early_data) {
2270 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2271 size_t readbytes;
2272
2273 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2274 for (;;) {
2275 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2276 if (edret != SSL_READ_EARLY_DATA_ERROR)
2277 break;
2278
2279 switch (SSL_get_error(con, 0)) {
2280 case SSL_ERROR_WANT_WRITE:
2281 case SSL_ERROR_WANT_ASYNC:
2282 case SSL_ERROR_WANT_READ:
2283 /* Just keep trying - busy waiting */
2284 continue;
2285 default:
2286 BIO_printf(bio_err, "Error reading early data\n");
2287 ERR_print_errors(bio_err);
2288 goto err;
2289 }
2290 }
2291 if (readbytes > 0) {
2292 if (write_header) {
2293 BIO_printf(bio_s_out, "Early data received:\n");
2294 write_header = 0;
2295 }
2296 raw_write_stdout(buf, (unsigned int)readbytes);
2297 (void)BIO_flush(bio_s_out);
2298 }
2299 }
2300 if (write_header)
2301 BIO_printf(bio_s_out, "No early data received\n");
2302 else
2303 BIO_printf(bio_s_out, "\nEnd of early data\n");
2304 if (SSL_is_init_finished(con))
2305 print_connection_info(con);
2306 }
2307
2308 if (fileno_stdin() > s)
2309 width = fileno_stdin() + 1;
2310 else
2311 width = s + 1;
2312 for (;;) {
2313 int read_from_terminal;
2314 int read_from_sslcon;
2315
2316 read_from_terminal = 0;
2317 read_from_sslcon = SSL_has_pending(con)
2318 || (async && SSL_waiting_for_async(con));
2319
2320 if (!read_from_sslcon) {
2321 FD_ZERO(&readfds);
2322 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2323 openssl_fdset(fileno_stdin(), &readfds);
2324 #endif
2325 openssl_fdset(s, &readfds);
2326 /*
2327 * Note: under VMS with SOCKETSHR the second parameter is
2328 * currently of type (int *) whereas under other systems it is
2329 * (void *) if you don't have a cast it will choke the compiler:
2330 * if you do have a cast then you can either go for (int *) or
2331 * (void *).
2332 */
2333 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2334 /*
2335 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2336 * only on sockets. As a workaround we timeout the select every
2337 * second and check for any keypress. In a proper Windows
2338 * application we wouldn't do this because it is inefficient.
2339 */
2340 tv.tv_sec = 1;
2341 tv.tv_usec = 0;
2342 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2343 if (has_stdin_waiting())
2344 read_from_terminal = 1;
2345 if ((i < 0) || (!i && !read_from_terminal))
2346 continue;
2347 #else
2348 if ((SSL_version(con) == DTLS1_VERSION) &&
2349 DTLSv1_get_timeout(con, &timeout))
2350 timeoutp = &timeout;
2351 else
2352 timeoutp = NULL;
2353
2354 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2355
2356 if ((SSL_version(con) == DTLS1_VERSION)
2357 && DTLSv1_handle_timeout(con) > 0) {
2358 BIO_printf(bio_err, "TIMEOUT occurred\n");
2359 }
2360
2361 if (i <= 0)
2362 continue;
2363 if (FD_ISSET(fileno_stdin(), &readfds))
2364 read_from_terminal = 1;
2365 #endif
2366 if (FD_ISSET(s, &readfds))
2367 read_from_sslcon = 1;
2368 }
2369 if (read_from_terminal) {
2370 if (s_crlf) {
2371 int j, lf_num;
2372
2373 i = raw_read_stdin(buf, bufsize / 2);
2374 lf_num = 0;
2375 /* both loops are skipped when i <= 0 */
2376 for (j = 0; j < i; j++)
2377 if (buf[j] == '\n')
2378 lf_num++;
2379 for (j = i - 1; j >= 0; j--) {
2380 buf[j + lf_num] = buf[j];
2381 if (buf[j] == '\n') {
2382 lf_num--;
2383 i++;
2384 buf[j + lf_num] = '\r';
2385 }
2386 }
2387 assert(lf_num == 0);
2388 } else
2389 i = raw_read_stdin(buf, bufsize);
2390
2391 if (!s_quiet && !s_brief) {
2392 if ((i <= 0) || (buf[0] == 'Q')) {
2393 BIO_printf(bio_s_out, "DONE\n");
2394 (void)BIO_flush(bio_s_out);
2395 BIO_closesocket(s);
2396 close_accept_socket();
2397 ret = -11;
2398 goto err;
2399 }
2400 if ((i <= 0) || (buf[0] == 'q')) {
2401 BIO_printf(bio_s_out, "DONE\n");
2402 (void)BIO_flush(bio_s_out);
2403 if (SSL_version(con) != DTLS1_VERSION)
2404 BIO_closesocket(s);
2405 /*
2406 * close_accept_socket(); ret= -11;
2407 */
2408 goto err;
2409 }
2410 #ifndef OPENSSL_NO_HEARTBEATS
2411 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2412 BIO_printf(bio_err, "HEARTBEATING\n");
2413 SSL_heartbeat(con);
2414 i = 0;
2415 continue;
2416 }
2417 #endif
2418 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2419 SSL_renegotiate(con);
2420 i = SSL_do_handshake(con);
2421 printf("SSL_do_handshake -> %d\n", i);
2422 i = 0; /* 13; */
2423 continue;
2424 /*
2425 * strcpy(buf,"server side RE-NEGOTIATE\n");
2426 */
2427 }
2428 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2429 SSL_set_verify(con,
2430 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2431 NULL);
2432 SSL_renegotiate(con);
2433 i = SSL_do_handshake(con);
2434 printf("SSL_do_handshake -> %d\n", i);
2435 i = 0; /* 13; */
2436 continue;
2437 /*
2438 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2439 * cert\n");
2440 */
2441 }
2442 if ((buf[0] == 'K' || buf[0] == 'k')
2443 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2444 SSL_key_update(con, buf[0] == 'K' ?
2445 SSL_KEY_UPDATE_REQUESTED
2446 : SSL_KEY_UPDATE_NOT_REQUESTED);
2447 i = SSL_do_handshake(con);
2448 printf("SSL_do_handshake -> %d\n", i);
2449 i = 0;
2450 continue;
2451 /*
2452 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2453 * cert\n");
2454 */
2455 }
2456 if (buf[0] == 'P') {
2457 static const char *str = "Lets print some clear text\n";
2458 BIO_write(SSL_get_wbio(con), str, strlen(str));
2459 }
2460 if (buf[0] == 'S') {
2461 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2462 }
2463 }
2464 #ifdef CHARSET_EBCDIC
2465 ebcdic2ascii(buf, buf, i);
2466 #endif
2467 l = k = 0;
2468 for (;;) {
2469 /* should do a select for the write */
2470 #ifdef RENEG
2471 static count = 0;
2472 if (++count == 100) {
2473 count = 0;
2474 SSL_renegotiate(con);
2475 }
2476 #endif
2477 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2478 #ifndef OPENSSL_NO_SRP
2479 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2480 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2481 SRP_user_pwd_free(srp_callback_parm.user);
2482 srp_callback_parm.user =
2483 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2484 srp_callback_parm.login);
2485 if (srp_callback_parm.user)
2486 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2487 srp_callback_parm.user->info);
2488 else
2489 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2490 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2491 }
2492 #endif
2493 switch (SSL_get_error(con, k)) {
2494 case SSL_ERROR_NONE:
2495 break;
2496 case SSL_ERROR_WANT_ASYNC:
2497 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2498 (void)BIO_flush(bio_s_out);
2499 wait_for_async(con);
2500 break;
2501 case SSL_ERROR_WANT_WRITE:
2502 case SSL_ERROR_WANT_READ:
2503 case SSL_ERROR_WANT_X509_LOOKUP:
2504 BIO_printf(bio_s_out, "Write BLOCK\n");
2505 (void)BIO_flush(bio_s_out);
2506 break;
2507 case SSL_ERROR_WANT_ASYNC_JOB:
2508 /*
2509 * This shouldn't ever happen in s_server. Treat as an error
2510 */
2511 case SSL_ERROR_SYSCALL:
2512 case SSL_ERROR_SSL:
2513 BIO_printf(bio_s_out, "ERROR\n");
2514 (void)BIO_flush(bio_s_out);
2515 ERR_print_errors(bio_err);
2516 ret = 1;
2517 goto err;
2518 /* break; */
2519 case SSL_ERROR_ZERO_RETURN:
2520 BIO_printf(bio_s_out, "DONE\n");
2521 (void)BIO_flush(bio_s_out);
2522 ret = 1;
2523 goto err;
2524 }
2525 if (k > 0) {
2526 l += k;
2527 i -= k;
2528 }
2529 if (i <= 0)
2530 break;
2531 }
2532 }
2533 if (read_from_sslcon) {
2534 /*
2535 * init_ssl_connection handles all async events itself so if we're
2536 * waiting for async then we shouldn't go back into
2537 * init_ssl_connection
2538 */
2539 if ((!async || !SSL_waiting_for_async(con))
2540 && !SSL_is_init_finished(con)) {
2541 i = init_ssl_connection(con);
2542
2543 if (i < 0) {
2544 ret = 0;
2545 goto err;
2546 } else if (i == 0) {
2547 ret = 1;
2548 goto err;
2549 }
2550 } else {
2551 again:
2552 i = SSL_read(con, (char *)buf, bufsize);
2553 #ifndef OPENSSL_NO_SRP
2554 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2555 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2556 SRP_user_pwd_free(srp_callback_parm.user);
2557 srp_callback_parm.user =
2558 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2559 srp_callback_parm.login);
2560 if (srp_callback_parm.user)
2561 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2562 srp_callback_parm.user->info);
2563 else
2564 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2565 i = SSL_read(con, (char *)buf, bufsize);
2566 }
2567 #endif
2568 switch (SSL_get_error(con, i)) {
2569 case SSL_ERROR_NONE:
2570 #ifdef CHARSET_EBCDIC
2571 ascii2ebcdic(buf, buf, i);
2572 #endif
2573 raw_write_stdout(buf, (unsigned int)i);
2574 (void)BIO_flush(bio_s_out);
2575 if (SSL_has_pending(con))
2576 goto again;
2577 break;
2578 case SSL_ERROR_WANT_ASYNC:
2579 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2580 (void)BIO_flush(bio_s_out);
2581 wait_for_async(con);
2582 break;
2583 case SSL_ERROR_WANT_WRITE:
2584 case SSL_ERROR_WANT_READ:
2585 BIO_printf(bio_s_out, "Read BLOCK\n");
2586 (void)BIO_flush(bio_s_out);
2587 break;
2588 case SSL_ERROR_WANT_ASYNC_JOB:
2589 /*
2590 * This shouldn't ever happen in s_server. Treat as an error
2591 */
2592 case SSL_ERROR_SYSCALL:
2593 case SSL_ERROR_SSL:
2594 BIO_printf(bio_s_out, "ERROR\n");
2595 (void)BIO_flush(bio_s_out);
2596 ERR_print_errors(bio_err);
2597 ret = 1;
2598 goto err;
2599 case SSL_ERROR_ZERO_RETURN:
2600 BIO_printf(bio_s_out, "DONE\n");
2601 (void)BIO_flush(bio_s_out);
2602 ret = 1;
2603 goto err;
2604 }
2605 }
2606 }
2607 }
2608 err:
2609 if (con != NULL) {
2610 BIO_printf(bio_s_out, "shutting down SSL\n");
2611 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2612 SSL_free(con);
2613 }
2614 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2615 OPENSSL_clear_free(buf, bufsize);
2616 if (ret >= 0)
2617 BIO_printf(bio_s_out, "ACCEPT\n");
2618 (void)BIO_flush(bio_s_out);
2619 return (ret);
2620 }
2621
2622 static void close_accept_socket(void)
2623 {
2624 BIO_printf(bio_err, "shutdown accept socket\n");
2625 if (accept_socket >= 0) {
2626 BIO_closesocket(accept_socket);
2627 }
2628 }
2629
2630 static int init_ssl_connection(SSL *con)
2631 {
2632 int i;
2633 long verify_err;
2634 int retry = 0;
2635
2636 #ifndef OPENSSL_NO_DTLS
2637 if (dtlslisten) {
2638 BIO_ADDR *client = NULL;
2639
2640 if ((client = BIO_ADDR_new()) == NULL) {
2641 BIO_printf(bio_err, "ERROR - memory\n");
2642 return 0;
2643 }
2644 i = DTLSv1_listen(con, client);
2645 if (i > 0) {
2646 BIO *wbio;
2647 int fd = -1;
2648
2649 wbio = SSL_get_wbio(con);
2650 if (wbio) {
2651 BIO_get_fd(wbio, &fd);
2652 }
2653
2654 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2655 BIO_printf(bio_err, "ERROR - unable to connect\n");
2656 BIO_ADDR_free(client);
2657 return 0;
2658 }
2659 BIO_ADDR_free(client);
2660 dtlslisten = 0;
2661 i = SSL_accept(con);
2662 } else {
2663 BIO_ADDR_free(client);
2664 }
2665 } else
2666 #endif
2667
2668 do {
2669 i = SSL_accept(con);
2670
2671 if (i <= 0)
2672 retry = !SSL_want_nothing(con);
2673 #ifdef CERT_CB_TEST_RETRY
2674 {
2675 while (i <= 0
2676 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2677 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2678 BIO_printf(bio_err,
2679 "LOOKUP from certificate callback during accept\n");
2680 i = SSL_accept(con);
2681 if (i <= 0)
2682 retry = !SSL_want_nothing(con);
2683 }
2684 }
2685 #endif
2686
2687 #ifndef OPENSSL_NO_SRP
2688 while (i <= 0
2689 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2690 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2691 srp_callback_parm.login);
2692 SRP_user_pwd_free(srp_callback_parm.user);
2693 srp_callback_parm.user =
2694 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2695 srp_callback_parm.login);
2696 if (srp_callback_parm.user)
2697 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2698 srp_callback_parm.user->info);
2699 else
2700 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2701 i = SSL_accept(con);
2702 if (i <= 0)
2703 retry = !SSL_want_nothing(con);
2704 }
2705 #endif
2706 } while (i < 0 && SSL_waiting_for_async(con));
2707
2708 if (i <= 0) {
2709 if ((dtlslisten && i == 0)
2710 || (!dtlslisten && retry)) {
2711 BIO_printf(bio_s_out, "DELAY\n");
2712 return (1);
2713 }
2714
2715 BIO_printf(bio_err, "ERROR\n");
2716
2717 verify_err = SSL_get_verify_result(con);
2718 if (verify_err != X509_V_OK) {
2719 BIO_printf(bio_err, "verify error:%s\n",
2720 X509_verify_cert_error_string(verify_err));
2721 }
2722 /* Always print any error messages */
2723 ERR_print_errors(bio_err);
2724 return (0);
2725 }
2726
2727 print_connection_info(con);
2728 return 1;
2729 }
2730
2731 static void print_connection_info(SSL *con)
2732 {
2733 const char *str;
2734 X509 *peer;
2735 char buf[BUFSIZ];
2736 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2737 const unsigned char *next_proto_neg;
2738 unsigned next_proto_neg_len;
2739 #endif
2740 unsigned char *exportedkeymat;
2741 int i;
2742
2743 if (s_brief)
2744 print_ssl_summary(con);
2745
2746 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2747
2748 peer = SSL_get_peer_certificate(con);
2749 if (peer != NULL) {
2750 BIO_printf(bio_s_out, "Client certificate\n");
2751 PEM_write_bio_X509(bio_s_out, peer);
2752 dump_cert_text(bio_s_out, peer);
2753 X509_free(peer);
2754 peer = NULL;
2755 }
2756
2757 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2758 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2759 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2760 ssl_print_sigalgs(bio_s_out, con);
2761 #ifndef OPENSSL_NO_EC
2762 ssl_print_point_formats(bio_s_out, con);
2763 ssl_print_groups(bio_s_out, con, 0);
2764 #endif
2765 print_ca_names(bio_s_out, con);
2766 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2767
2768 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2769 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2770 if (next_proto_neg) {
2771 BIO_printf(bio_s_out, "NEXTPROTO is ");
2772 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2773 BIO_printf(bio_s_out, "\n");
2774 }
2775 #endif
2776 #ifndef OPENSSL_NO_SRTP
2777 {
2778 SRTP_PROTECTION_PROFILE *srtp_profile
2779 = SSL_get_selected_srtp_profile(con);
2780
2781 if (srtp_profile)
2782 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2783 srtp_profile->name);
2784 }
2785 #endif
2786 if (SSL_session_reused(con))
2787 BIO_printf(bio_s_out, "Reused session-id\n");
2788 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2789 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2790 if (keymatexportlabel != NULL) {
2791 BIO_printf(bio_s_out, "Keying material exporter:\n");
2792 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2793 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2794 exportedkeymat = app_malloc(keymatexportlen, "export key");
2795 if (!SSL_export_keying_material(con, exportedkeymat,
2796 keymatexportlen,
2797 keymatexportlabel,
2798 strlen(keymatexportlabel),
2799 NULL, 0, 0)) {
2800 BIO_printf(bio_s_out, " Error\n");
2801 } else {
2802 BIO_printf(bio_s_out, " Keying material: ");
2803 for (i = 0; i < keymatexportlen; i++)
2804 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2805 BIO_printf(bio_s_out, "\n");
2806 }
2807 OPENSSL_free(exportedkeymat);
2808 }
2809
2810 (void)BIO_flush(bio_s_out);
2811 }
2812
2813 #ifndef OPENSSL_NO_DH
2814 static DH *load_dh_param(const char *dhfile)
2815 {
2816 DH *ret = NULL;
2817 BIO *bio;
2818
2819 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2820 goto err;
2821 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2822 err:
2823 BIO_free(bio);
2824 return (ret);
2825 }
2826 #endif
2827
2828 static int www_body(int s, int stype, int prot, unsigned char *context)
2829 {
2830 char *buf = NULL;
2831 int ret = 1;
2832 int i, j, k, dot;
2833 SSL *con;
2834 const SSL_CIPHER *c;
2835 BIO *io, *ssl_bio, *sbio;
2836 #ifdef RENEG
2837 int total_bytes = 0;
2838 #endif
2839 int width;
2840 fd_set readfds;
2841
2842 /* Set width for a select call if needed */
2843 width = s + 1;
2844
2845 buf = app_malloc(bufsize, "server www buffer");
2846 io = BIO_new(BIO_f_buffer());
2847 ssl_bio = BIO_new(BIO_f_ssl());
2848 if ((io == NULL) || (ssl_bio == NULL))
2849 goto err;
2850
2851 if (s_nbio) {
2852 if (!BIO_socket_nbio(s, 1))
2853 ERR_print_errors(bio_err);
2854 else if (!s_quiet)
2855 BIO_printf(bio_err, "Turned on non blocking io\n");
2856 }
2857
2858 /* lets make the output buffer a reasonable size */
2859 if (!BIO_set_write_buffer_size(io, bufsize))
2860 goto err;
2861
2862 if ((con = SSL_new(ctx)) == NULL)
2863 goto err;
2864
2865 if (s_tlsextdebug) {
2866 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2867 SSL_set_tlsext_debug_arg(con, bio_s_out);
2868 }
2869
2870 if (context
2871 && !SSL_set_session_id_context(con, context,
2872 strlen((char *)context)))
2873 goto err;
2874
2875 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2876 if (s_nbio_test) {
2877 BIO *test;
2878
2879 test = BIO_new(BIO_f_nbio_test());
2880 sbio = BIO_push(test, sbio);
2881 }
2882 SSL_set_bio(con, sbio, sbio);
2883 SSL_set_accept_state(con);
2884
2885 /* SSL_set_fd(con,s); */
2886 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2887 BIO_push(io, ssl_bio);
2888 #ifdef CHARSET_EBCDIC
2889 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2890 #endif
2891
2892 if (s_debug) {
2893 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2894 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2895 }
2896 if (s_msg) {
2897 #ifndef OPENSSL_NO_SSL_TRACE
2898 if (s_msg == 2)
2899 SSL_set_msg_callback(con, SSL_trace);
2900 else
2901 #endif
2902 SSL_set_msg_callback(con, msg_cb);
2903 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2904 }
2905
2906 for (;;) {
2907 i = BIO_gets(io, buf, bufsize - 1);
2908 if (i < 0) { /* error */
2909 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2910 if (!s_quiet)
2911 ERR_print_errors(bio_err);
2912 goto err;
2913 } else {
2914 BIO_printf(bio_s_out, "read R BLOCK\n");
2915 #ifndef OPENSSL_NO_SRP
2916 if (BIO_should_io_special(io)
2917 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2918 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2919 SRP_user_pwd_free(srp_callback_parm.user);
2920 srp_callback_parm.user =
2921 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2922 srp_callback_parm.login);
2923 if (srp_callback_parm.user)
2924 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2925 srp_callback_parm.user->info);
2926 else
2927 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2928 continue;
2929 }
2930 #endif
2931 #if !defined(OPENSSL_SYS_MSDOS)
2932 sleep(1);
2933 #endif
2934 continue;
2935 }
2936 } else if (i == 0) { /* end of input */
2937 ret = 1;
2938 goto end;
2939 }
2940
2941 /* else we have data */
2942 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2943 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2944 char *p;
2945 X509 *peer = NULL;
2946 STACK_OF(SSL_CIPHER) *sk;
2947 static const char *space = " ";
2948
2949 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2950 if (strncmp("GET /renegcert", buf, 14) == 0)
2951 SSL_set_verify(con,
2952 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2953 NULL);
2954 i = SSL_renegotiate(con);
2955 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2956 /* Send the HelloRequest */
2957 i = SSL_do_handshake(con);
2958 if (i <= 0) {
2959 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2960 SSL_get_error(con, i));
2961 ERR_print_errors(bio_err);
2962 goto err;
2963 }
2964 /* Wait for a ClientHello to come back */
2965 FD_ZERO(&readfds);
2966 openssl_fdset(s, &readfds);
2967 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2968 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2969 BIO_printf(bio_s_out,
2970 "Error waiting for client response\n");
2971 ERR_print_errors(bio_err);
2972 goto err;
2973 }
2974 /*
2975 * We're not actually expecting any data here and we ignore
2976 * any that is sent. This is just to force the handshake that
2977 * we're expecting to come from the client. If they haven't
2978 * sent one there's not much we can do.
2979 */
2980 BIO_gets(io, buf, bufsize - 1);
2981 }
2982
2983 BIO_puts(io,
2984 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2985 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2986 BIO_puts(io, "<pre>\n");
2987 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2988 BIO_puts(io, "\n");
2989 for (i = 0; i < local_argc; i++) {
2990 const char *myp;
2991 for (myp = local_argv[i]; *myp; myp++)
2992 switch (*myp) {
2993 case '<':
2994 BIO_puts(io, "&lt;");
2995 break;
2996 case '>':
2997 BIO_puts(io, "&gt;");
2998 break;
2999 case '&':
3000 BIO_puts(io, "&amp;");
3001 break;
3002 default:
3003 BIO_write(io, myp, 1);
3004 break;
3005 }
3006 BIO_write(io, " ", 1);
3007 }
3008 BIO_puts(io, "\n");
3009
3010 BIO_printf(io,
3011 "Secure Renegotiation IS%s supported\n",
3012 SSL_get_secure_renegotiation_support(con) ?
3013 "" : " NOT");
3014
3015 /*
3016 * The following is evil and should not really be done
3017 */
3018 BIO_printf(io, "Ciphers supported in s_server binary\n");
3019 sk = SSL_get_ciphers(con);
3020 j = sk_SSL_CIPHER_num(sk);
3021 for (i = 0; i < j; i++) {
3022 c = sk_SSL_CIPHER_value(sk, i);
3023 BIO_printf(io, "%-11s:%-25s ",
3024 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3025 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3026 BIO_puts(io, "\n");
3027 }
3028 BIO_puts(io, "\n");
3029 p = SSL_get_shared_ciphers(con, buf, bufsize);
3030 if (p != NULL) {
3031 BIO_printf(io,
3032 "---\nCiphers common between both SSL end points:\n");
3033 j = i = 0;
3034 while (*p) {
3035 if (*p == ':') {
3036 BIO_write(io, space, 26 - j);
3037 i++;
3038 j = 0;
3039 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3040 } else {
3041 BIO_write(io, p, 1);
3042 j++;
3043 }
3044 p++;
3045 }
3046 BIO_puts(io, "\n");
3047 }
3048 ssl_print_sigalgs(io, con);
3049 #ifndef OPENSSL_NO_EC
3050 ssl_print_groups(io, con, 0);
3051 #endif
3052 print_ca_names(io, con);
3053 BIO_printf(io, (SSL_session_reused(con)
3054 ? "---\nReused, " : "---\nNew, "));
3055 c = SSL_get_current_cipher(con);
3056 BIO_printf(io, "%s, Cipher is %s\n",
3057 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3058 SSL_SESSION_print(io, SSL_get_session(con));
3059 BIO_printf(io, "---\n");
3060 print_stats(io, SSL_get_SSL_CTX(con));
3061 BIO_printf(io, "---\n");
3062 peer = SSL_get_peer_certificate(con);
3063 if (peer != NULL) {
3064 BIO_printf(io, "Client certificate\n");
3065 X509_print(io, peer);
3066 PEM_write_bio_X509(io, peer);
3067 X509_free(peer);
3068 peer = NULL;
3069 } else
3070 BIO_puts(io, "no client certificate available\n");
3071 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
3072 break;
3073 } else if ((www == 2 || www == 3)
3074 && (strncmp("GET /", buf, 5) == 0)) {
3075 BIO *file;
3076 char *p, *e;
3077 static const char *text =
3078 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3079
3080 /* skip the '/' */
3081 p = &(buf[5]);
3082
3083 dot = 1;
3084 for (e = p; *e != '\0'; e++) {
3085 if (e[0] == ' ')
3086 break;
3087
3088 switch (dot) {
3089 case 1:
3090 dot = (e[0] == '.') ? 2 : 0;
3091 break;
3092 case 2:
3093 dot = (e[0] == '.') ? 3 : 0;
3094 break;
3095 case 3:
3096 dot = (e[0] == '/') ? -1 : 0;
3097 break;
3098 }
3099 if (dot == 0)
3100 dot = (e[0] == '/') ? 1 : 0;
3101 }
3102 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3103 * component */
3104
3105 if (*e == '\0') {
3106 BIO_puts(io, text);
3107 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3108 break;
3109 }
3110 *e = '\0';
3111
3112 if (dot) {
3113 BIO_puts(io, text);
3114 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3115 break;
3116 }
3117
3118 if (*p == '/') {
3119 BIO_puts(io, text);
3120 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3121 break;
3122 }
3123
3124 /* if a directory, do the index thang */
3125 if (app_isdir(p) > 0) {
3126 BIO_puts(io, text);
3127 BIO_printf(io, "'%s' is a directory\r\n", p);
3128 break;
3129 }
3130
3131 if ((file = BIO_new_file(p, "r")) == NULL) {
3132 BIO_puts(io, text);
3133 BIO_printf(io, "Error opening '%s'\r\n", p);
3134 ERR_print_errors(io);
3135 break;
3136 }
3137
3138 if (!s_quiet)
3139 BIO_printf(bio_err, "FILE:%s\n", p);
3140
3141 if (www == 2) {
3142 i = strlen(p);
3143 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3144 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3145 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3146 BIO_puts(io,
3147 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3148 else
3149 BIO_puts(io,
3150 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3151 }
3152 /* send the file */
3153 for (;;) {
3154 i = BIO_read(file, buf, bufsize);
3155 if (i <= 0)
3156 break;
3157
3158 #ifdef RENEG
3159 total_bytes += i;
3160 BIO_printf(bio_err, "%d\n", i);
3161 if (total_bytes > 3 * 1024) {
3162 total_bytes = 0;
3163 BIO_printf(bio_err, "RENEGOTIATE\n");
3164 SSL_renegotiate(con);
3165 }
3166 #endif
3167
3168 for (j = 0; j < i;) {
3169 #ifdef RENEG
3170 static count = 0;
3171 if (++count == 13) {
3172 SSL_renegotiate(con);
3173 }
3174 #endif
3175 k = BIO_write(io, &(buf[j]), i - j);
3176 if (k <= 0) {
3177 if (!BIO_should_retry(io)
3178 && !SSL_waiting_for_async(con))
3179 goto write_error;
3180 else {
3181 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3182 }
3183 } else {
3184 j += k;
3185 }
3186 }
3187 }
3188 write_error:
3189 BIO_free(file);
3190 break;
3191 }
3192 }
3193
3194 for (;;) {
3195 i = (int)BIO_flush(io);
3196 if (i <= 0) {
3197 if (!BIO_should_retry(io))
3198 break;
3199 } else
3200 break;
3201 }
3202 end:
3203 /* make sure we re-use sessions */
3204 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3205
3206 err:
3207 if (ret >= 0)
3208 BIO_printf(bio_s_out, "ACCEPT\n");
3209 OPENSSL_free(buf);
3210 BIO_free_all(io);
3211 return (ret);
3212 }
3213
3214 static int rev_body(int s, int stype, int prot, unsigned char *context)
3215 {
3216 char *buf = NULL;
3217 int i;
3218 int ret = 1;
3219 SSL *con;
3220 BIO *io, *ssl_bio, *sbio;
3221
3222 buf = app_malloc(bufsize, "server rev buffer");
3223 io = BIO_new(BIO_f_buffer());
3224 ssl_bio = BIO_new(BIO_f_ssl());
3225 if ((io == NULL) || (ssl_bio == NULL))
3226 goto err;
3227
3228 /* lets make the output buffer a reasonable size */
3229 if (!BIO_set_write_buffer_size(io, bufsize))
3230 goto err;
3231
3232 if ((con = SSL_new(ctx)) == NULL)
3233 goto err;
3234
3235 if (s_tlsextdebug) {
3236 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3237 SSL_set_tlsext_debug_arg(con, bio_s_out);
3238 }
3239 if (context
3240 && !SSL_set_session_id_context(con, context,
3241 strlen((char *)context))) {
3242 ERR_print_errors(bio_err);
3243 goto err;
3244 }
3245
3246 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3247 SSL_set_bio(con, sbio, sbio);
3248 SSL_set_accept_state(con);
3249
3250 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3251 BIO_push(io, ssl_bio);
3252 #ifdef CHARSET_EBCDIC
3253 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3254 #endif
3255
3256 if (s_debug) {
3257 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3258 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3259 }
3260 if (s_msg) {
3261 #ifndef OPENSSL_NO_SSL_TRACE
3262 if (s_msg == 2)
3263 SSL_set_msg_callback(con, SSL_trace);
3264 else
3265 #endif
3266 SSL_set_msg_callback(con, msg_cb);
3267 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3268 }
3269
3270 for (;;) {
3271 i = BIO_do_handshake(io);
3272 if (i > 0)
3273 break;
3274 if (!BIO_should_retry(io)) {
3275 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3276 ERR_print_errors(bio_err);
3277 goto end;
3278 }
3279 #ifndef OPENSSL_NO_SRP
3280 if (BIO_should_io_special(io)
3281 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3282 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3283 SRP_user_pwd_free(srp_callback_parm.user);
3284 srp_callback_parm.user =
3285 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3286 srp_callback_parm.login);
3287 if (srp_callback_parm.user)
3288 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3289 srp_callback_parm.user->info);
3290 else
3291 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3292 continue;
3293 }
3294 #endif
3295 }
3296 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3297 print_ssl_summary(con);
3298
3299 for (;;) {
3300 i = BIO_gets(io, buf, bufsize - 1);
3301 if (i < 0) { /* error */
3302 if (!BIO_should_retry(io)) {
3303 if (!s_quiet)
3304 ERR_print_errors(bio_err);
3305 goto err;
3306 } else {
3307 BIO_printf(bio_s_out, "read R BLOCK\n");
3308 #ifndef OPENSSL_NO_SRP
3309 if (BIO_should_io_special(io)
3310 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3311 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3312 SRP_user_pwd_free(srp_callback_parm.user);
3313 srp_callback_parm.user =
3314 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3315 srp_callback_parm.login);
3316 if (srp_callback_parm.user)
3317 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3318 srp_callback_parm.user->info);
3319 else
3320 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3321 continue;
3322 }
3323 #endif
3324 #if !defined(OPENSSL_SYS_MSDOS)
3325 sleep(1);
3326 #endif
3327 continue;
3328 }
3329 } else if (i == 0) { /* end of input */
3330 ret = 1;
3331 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3332 goto end;
3333 } else {
3334 char *p = buf + i - 1;
3335 while (i && (*p == '\n' || *p == '\r')) {
3336 p--;
3337 i--;
3338 }
3339 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3340 ret = 1;
3341 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3342 goto end;
3343 }
3344 BUF_reverse((unsigned char *)buf, NULL, i);
3345 buf[i] = '\n';
3346 BIO_write(io, buf, i + 1);
3347 for (;;) {
3348 i = BIO_flush(io);
3349 if (i > 0)
3350 break;
3351 if (!BIO_should_retry(io))
3352 goto end;
3353 }
3354 }
3355 }
3356 end:
3357 /* make sure we re-use sessions */
3358 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3359
3360 err:
3361
3362 OPENSSL_free(buf);
3363 BIO_free_all(io);
3364 return (ret);
3365 }
3366
3367 #define MAX_SESSION_ID_ATTEMPTS 10
3368 static int generate_session_id(const SSL *ssl, unsigned char *id,
3369 unsigned int *id_len)
3370 {
3371 unsigned int count = 0;
3372 do {
3373 if (RAND_bytes(id, *id_len) <= 0)
3374 return 0;
3375 /*
3376 * Prefix the session_id with the required prefix. NB: If our prefix
3377 * is too long, clip it - but there will be worse effects anyway, eg.
3378 * the server could only possibly create 1 session ID (ie. the
3379 * prefix!) so all future session negotiations will fail due to
3380 * conflicts.
3381 */
3382 memcpy(id, session_id_prefix,
3383 (strlen(session_id_prefix) < *id_len) ?
3384 strlen(session_id_prefix) : *id_len);
3385 }
3386 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3387 (++count < MAX_SESSION_ID_ATTEMPTS));
3388 if (count >= MAX_SESSION_ID_ATTEMPTS)
3389 return 0;
3390 return 1;
3391 }
3392
3393 /*
3394 * By default s_server uses an in-memory cache which caches SSL_SESSION
3395 * structures without any serialisation. This hides some bugs which only
3396 * become apparent in deployed servers. By implementing a basic external
3397 * session cache some issues can be debugged using s_server.
3398 */
3399
3400 typedef struct simple_ssl_session_st {
3401 unsigned char *id;
3402 unsigned int idlen;
3403 unsigned char *der;
3404 int derlen;
3405 struct simple_ssl_session_st *next;
3406 } simple_ssl_session;
3407
3408 static simple_ssl_session *first = NULL;
3409
3410 static int add_session(SSL *ssl, SSL_SESSION *session)
3411 {
3412 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3413 unsigned char *p;
3414
3415 SSL_SESSION_get_id(session, &sess->idlen);
3416 sess->derlen = i2d_SSL_SESSION(session, NULL);
3417 if (sess->derlen < 0) {
3418 BIO_printf(bio_err, "Error encoding session\n");
3419 OPENSSL_free(sess);
3420 return 0;
3421 }
3422
3423 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3424 sess->der = app_malloc(sess->derlen, "get session buffer");
3425 if (!sess->id) {
3426 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3427 OPENSSL_free(sess->id);
3428 OPENSSL_free(sess->der);
3429 OPENSSL_free(sess);
3430 return 0;
3431 }
3432 p = sess->der;
3433
3434 /* Assume it still works. */
3435 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3436 BIO_printf(bio_err, "Unexpected session encoding length\n");
3437 OPENSSL_free(sess->id);
3438 OPENSSL_free(sess->der);
3439 OPENSSL_free(sess);
3440 return 0;
3441 }
3442
3443 sess->next = first;
3444 first = sess;
3445 BIO_printf(bio_err, "New session added to external cache\n");
3446 return 0;
3447 }
3448
3449 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3450 int *do_copy)
3451 {
3452 simple_ssl_session *sess;
3453 *do_copy = 0;
3454 for (sess = first; sess; sess = sess->next) {
3455 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3456 const unsigned char *p = sess->der;
3457 BIO_printf(bio_err, "Lookup session: cache hit\n");
3458 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3459 }
3460 }
3461 BIO_printf(bio_err, "Lookup session: cache miss\n");
3462 return NULL;
3463 }
3464
3465 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3466 {
3467 simple_ssl_session *sess, *prev = NULL;
3468 const unsigned char *id;
3469 unsigned int idlen;
3470 id = SSL_SESSION_get_id(session, &idlen);
3471 for (sess = first; sess; sess = sess->next) {
3472 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3473 if (prev)
3474 prev->next = sess->next;
3475 else
3476 first = sess->next;
3477 OPENSSL_free(sess->id);
3478 OPENSSL_free(sess->der);
3479 OPENSSL_free(sess);
3480 return;
3481 }
3482 prev = sess;
3483 }
3484 }
3485
3486 static void init_session_cache_ctx(SSL_CTX *sctx)
3487 {
3488 SSL_CTX_set_session_cache_mode(sctx,
3489 SSL_SESS_CACHE_NO_INTERNAL |
3490 SSL_SESS_CACHE_SERVER);
3491 SSL_CTX_sess_set_new_cb(sctx, add_session);
3492 SSL_CTX_sess_set_get_cb(sctx, get_session);
3493 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3494 }
3495
3496 static void free_sessions(void)
3497 {
3498 simple_ssl_session *sess, *tsess;
3499 for (sess = first; sess;) {
3500 OPENSSL_free(sess->id);
3501 OPENSSL_free(sess->der);
3502 tsess = sess;
3503 sess = sess->next;
3504 OPENSSL_free(tsess);
3505 }
3506 first = NULL;
3507 }
3508
3509 #endif /* OPENSSL_NO_SOCK */
A mirror of the official openssl repository