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Clean up a bundle of codingstyle stuff in apps directory
[thirdparty/openssl.git] / apps / s_server.c
1 /*
2 * Copyright 1995-2017 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 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 == NULL) {
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 warning: client identity not what we expected"
175 " (got '%s' expected '%s')\n", identity, psk_identity);
176 } else {
177 if (s_debug)
178 BIO_printf(bio_s_out, "PSK client identity found\n");
179 }
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 != NULL && p->biodebug != NULL)
439 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
440 servername);
441
442 if (p->servername == NULL)
443 return SSL_TLSEXT_ERR_NOACK;
444
445 if (servername != NULL) {
446 if (strcasecmp(servername, p->servername))
447 return p->extension_error;
448 if (ctx2 != NULL) {
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 != NULL) {
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 == NULL) {
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 == NULL)
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_IDENTITY, 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, 'p',
862 "Size used to split data for encrypt pipelines"},
863 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
864 "Maximum number of encrypt/decrypt pipelines to be used"},
865 {"read_buf", OPT_READ_BUF, 'p',
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_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
873 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
874 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
875 #endif
876 #ifndef OPENSSL_NO_SRP
877 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
878 {"srpuserseed", OPT_SRPUSERSEED, 's',
879 "A seed string for a default user salt"},
880 #endif
881 #ifndef OPENSSL_NO_SSL3
882 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
883 #endif
884 #ifndef OPENSSL_NO_TLS1
885 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
886 #endif
887 #ifndef OPENSSL_NO_TLS1_1
888 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
889 #endif
890 #ifndef OPENSSL_NO_TLS1_2
891 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
892 #endif
893 #ifndef OPENSSL_NO_TLS1_3
894 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
895 #endif
896 #ifndef OPENSSL_NO_DTLS
897 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
898 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
899 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
900 {"listen", OPT_LISTEN, '-',
901 "Listen for a DTLS ClientHello with a cookie and then connect"},
902 #endif
903 #ifndef OPENSSL_NO_DTLS1
904 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
905 #endif
906 #ifndef OPENSSL_NO_DTLS1_2
907 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
908 #endif
909 #ifndef OPENSSL_NO_SCTP
910 {"sctp", OPT_SCTP, '-', "Use SCTP"},
911 #endif
912 #ifndef OPENSSL_NO_DH
913 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
914 #endif
915 #ifndef OPENSSL_NO_NEXTPROTONEG
916 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
917 "Set the advertised protocols for the NPN extension (comma-separated list)"},
918 #endif
919 #ifndef OPENSSL_NO_SRTP
920 {"use_srtp", OPT_SRTP_PROFILES, 's',
921 "Offer SRTP key management with a colon-separated profile list"},
922 #endif
923 {"alpn", OPT_ALPN, 's',
924 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
925 #ifndef OPENSSL_NO_ENGINE
926 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
927 #endif
928 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
929 {"max_early_data", OPT_MAX_EARLY, 'n',
930 "The maximum number of bytes of early data"},
931 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
932 {NULL, OPT_EOF, 0, NULL}
933 };
934
935 #define IS_PROT_FLAG(o) \
936 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
937 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
938
939 int s_server_main(int argc, char *argv[])
940 {
941 ENGINE *engine = NULL;
942 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
943 SSL_CONF_CTX *cctx = NULL;
944 const SSL_METHOD *meth = TLS_server_method();
945 SSL_EXCERT *exc = NULL;
946 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
947 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
948 STACK_OF(X509_CRL) *crls = NULL;
949 X509 *s_cert = NULL, *s_dcert = NULL;
950 X509_VERIFY_PARAM *vpm = NULL;
951 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
952 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
953 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
954 char *crl_file = NULL, *prog;
955 #ifdef AF_UNIX
956 int unlink_unix_path = 0;
957 #endif
958 do_server_cb server_cb;
959 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
960 #ifndef OPENSSL_NO_DH
961 char *dhfile = NULL;
962 int no_dhe = 0;
963 #endif
964 int nocert = 0, ret = 1;
965 int noCApath = 0, noCAfile = 0;
966 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
967 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
968 int rev = 0, naccept = -1, sdebug = 0;
969 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
970 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
971 char *host = NULL;
972 char *port = BUF_strdup(PORT);
973 unsigned char *context = NULL;
974 OPTION_CHOICE o;
975 EVP_PKEY *s_key2 = NULL;
976 X509 *s_cert2 = NULL;
977 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
978 const char *ssl_config = NULL;
979 int read_buf_len = 0;
980 #ifndef OPENSSL_NO_NEXTPROTONEG
981 const char *next_proto_neg_in = NULL;
982 tlsextnextprotoctx next_proto = { NULL, 0 };
983 #endif
984 const char *alpn_in = NULL;
985 tlsextalpnctx alpn_ctx = { NULL, 0 };
986 #ifndef OPENSSL_NO_PSK
987 /* by default do not send a PSK identity hint */
988 char *psk_identity_hint = NULL;
989 char *p;
990 #endif
991 #ifndef OPENSSL_NO_SRP
992 char *srpuserseed = NULL;
993 char *srp_verifier_file = NULL;
994 #endif
995 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
996 int s_server_verify = SSL_VERIFY_NONE;
997 int s_server_session_id_context = 1; /* anything will do */
998 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
999 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1000 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1001 #ifndef OPENSSL_NO_OCSP
1002 int s_tlsextstatus = 0;
1003 #endif
1004 int no_resume_ephemeral = 0;
1005 unsigned int max_send_fragment = 0;
1006 unsigned int split_send_fragment = 0, max_pipelines = 0;
1007 const char *s_serverinfo_file = NULL;
1008 const char *keylog_file = NULL;
1009 int max_early_data = -1;
1010
1011 /* Init of few remaining global variables */
1012 local_argc = argc;
1013 local_argv = argv;
1014
1015 ctx = ctx2 = NULL;
1016 s_nbio = s_nbio_test = 0;
1017 www = 0;
1018 bio_s_out = NULL;
1019 s_debug = 0;
1020 s_msg = 0;
1021 s_quiet = 0;
1022 s_brief = 0;
1023 async = 0;
1024
1025 cctx = SSL_CONF_CTX_new();
1026 vpm = X509_VERIFY_PARAM_new();
1027 if (cctx == NULL || vpm == NULL)
1028 goto end;
1029 SSL_CONF_CTX_set_flags(cctx,
1030 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1031
1032 prog = opt_init(argc, argv, s_server_options);
1033 while ((o = opt_next()) != OPT_EOF) {
1034 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1035 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1036 goto end;
1037 }
1038 if (IS_NO_PROT_FLAG(o))
1039 no_prot_opt++;
1040 if (prot_opt == 1 && no_prot_opt) {
1041 BIO_printf(bio_err,
1042 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1043 goto end;
1044 }
1045 switch (o) {
1046 case OPT_EOF:
1047 case OPT_ERR:
1048 opthelp:
1049 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1050 goto end;
1051 case OPT_HELP:
1052 opt_help(s_server_options);
1053 ret = 0;
1054 goto end;
1055
1056 case OPT_4:
1057 #ifdef AF_UNIX
1058 if (socket_family == AF_UNIX) {
1059 OPENSSL_free(host); host = NULL;
1060 OPENSSL_free(port); port = NULL;
1061 }
1062 #endif
1063 socket_family = AF_INET;
1064 break;
1065 case OPT_6:
1066 if (1) {
1067 #ifdef AF_INET6
1068 #ifdef AF_UNIX
1069 if (socket_family == AF_UNIX) {
1070 OPENSSL_free(host); host = NULL;
1071 OPENSSL_free(port); port = NULL;
1072 }
1073 #endif
1074 socket_family = AF_INET6;
1075 } else {
1076 #endif
1077 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1078 goto end;
1079 }
1080 break;
1081 case OPT_PORT:
1082 #ifdef AF_UNIX
1083 if (socket_family == AF_UNIX) {
1084 socket_family = AF_UNSPEC;
1085 }
1086 #endif
1087 OPENSSL_free(port); port = NULL;
1088 OPENSSL_free(host); host = NULL;
1089 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1090 BIO_printf(bio_err,
1091 "%s: -port argument malformed or ambiguous\n",
1092 port);
1093 goto end;
1094 }
1095 break;
1096 case OPT_ACCEPT:
1097 #ifdef AF_UNIX
1098 if (socket_family == AF_UNIX) {
1099 socket_family = AF_UNSPEC;
1100 }
1101 #endif
1102 OPENSSL_free(port); port = NULL;
1103 OPENSSL_free(host); host = NULL;
1104 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1105 BIO_printf(bio_err,
1106 "%s: -accept argument malformed or ambiguous\n",
1107 port);
1108 goto end;
1109 }
1110 break;
1111 #ifdef AF_UNIX
1112 case OPT_UNIX:
1113 socket_family = AF_UNIX;
1114 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1115 OPENSSL_free(port); port = NULL;
1116 break;
1117 case OPT_UNLINK:
1118 unlink_unix_path = 1;
1119 break;
1120 #endif
1121 case OPT_NACCEPT:
1122 naccept = atol(opt_arg());
1123 break;
1124 case OPT_VERIFY:
1125 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1126 verify_args.depth = atoi(opt_arg());
1127 if (!s_quiet)
1128 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1129 break;
1130 case OPT_UPPER_V_VERIFY:
1131 s_server_verify =
1132 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1133 SSL_VERIFY_CLIENT_ONCE;
1134 verify_args.depth = atoi(opt_arg());
1135 if (!s_quiet)
1136 BIO_printf(bio_err,
1137 "verify depth is %d, must return a certificate\n",
1138 verify_args.depth);
1139 break;
1140 case OPT_CONTEXT:
1141 context = (unsigned char *)opt_arg();
1142 break;
1143 case OPT_CERT:
1144 s_cert_file = opt_arg();
1145 break;
1146 case OPT_NAMEOPT:
1147 if (!set_nameopt(opt_arg()))
1148 goto end;
1149 break;
1150 case OPT_CRL:
1151 crl_file = opt_arg();
1152 break;
1153 case OPT_CRL_DOWNLOAD:
1154 crl_download = 1;
1155 break;
1156 case OPT_SERVERINFO:
1157 s_serverinfo_file = opt_arg();
1158 break;
1159 case OPT_CERTFORM:
1160 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1161 goto opthelp;
1162 break;
1163 case OPT_KEY:
1164 s_key_file = opt_arg();
1165 break;
1166 case OPT_KEYFORM:
1167 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1168 goto opthelp;
1169 break;
1170 case OPT_PASS:
1171 passarg = opt_arg();
1172 break;
1173 case OPT_CERT_CHAIN:
1174 s_chain_file = opt_arg();
1175 break;
1176 case OPT_DHPARAM:
1177 #ifndef OPENSSL_NO_DH
1178 dhfile = opt_arg();
1179 #endif
1180 break;
1181 case OPT_DCERTFORM:
1182 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1183 goto opthelp;
1184 break;
1185 case OPT_DCERT:
1186 s_dcert_file = opt_arg();
1187 break;
1188 case OPT_DKEYFORM:
1189 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1190 goto opthelp;
1191 break;
1192 case OPT_DPASS:
1193 dpassarg = opt_arg();
1194 break;
1195 case OPT_DKEY:
1196 s_dkey_file = opt_arg();
1197 break;
1198 case OPT_DCERT_CHAIN:
1199 s_dchain_file = opt_arg();
1200 break;
1201 case OPT_NOCERT:
1202 nocert = 1;
1203 break;
1204 case OPT_CAPATH:
1205 CApath = opt_arg();
1206 break;
1207 case OPT_NOCAPATH:
1208 noCApath = 1;
1209 break;
1210 case OPT_CHAINCAPATH:
1211 chCApath = opt_arg();
1212 break;
1213 case OPT_VERIFYCAPATH:
1214 vfyCApath = opt_arg();
1215 break;
1216 case OPT_NO_CACHE:
1217 no_cache = 1;
1218 break;
1219 case OPT_EXT_CACHE:
1220 ext_cache = 1;
1221 break;
1222 case OPT_CRLFORM:
1223 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1224 goto opthelp;
1225 break;
1226 case OPT_S_CASES:
1227 if (ssl_args == NULL)
1228 ssl_args = sk_OPENSSL_STRING_new_null();
1229 if (ssl_args == NULL
1230 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1231 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1232 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1233 goto end;
1234 }
1235 break;
1236 case OPT_V_CASES:
1237 if (!opt_verify(o, vpm))
1238 goto end;
1239 vpmtouched++;
1240 break;
1241 case OPT_X_CASES:
1242 if (!args_excert(o, &exc))
1243 goto end;
1244 break;
1245 case OPT_VERIFY_RET_ERROR:
1246 verify_args.return_error = 1;
1247 break;
1248 case OPT_VERIFY_QUIET:
1249 verify_args.quiet = 1;
1250 break;
1251 case OPT_BUILD_CHAIN:
1252 build_chain = 1;
1253 break;
1254 case OPT_CAFILE:
1255 CAfile = opt_arg();
1256 break;
1257 case OPT_NOCAFILE:
1258 noCAfile = 1;
1259 break;
1260 case OPT_CHAINCAFILE:
1261 chCAfile = opt_arg();
1262 break;
1263 case OPT_VERIFYCAFILE:
1264 vfyCAfile = opt_arg();
1265 break;
1266 case OPT_NBIO:
1267 s_nbio = 1;
1268 break;
1269 case OPT_NBIO_TEST:
1270 s_nbio = s_nbio_test = 1;
1271 break;
1272 case OPT_IGN_EOF:
1273 s_ign_eof = 1;
1274 break;
1275 case OPT_NO_IGN_EOF:
1276 s_ign_eof = 0;
1277 break;
1278 case OPT_DEBUG:
1279 s_debug = 1;
1280 break;
1281 case OPT_TLSEXTDEBUG:
1282 s_tlsextdebug = 1;
1283 break;
1284 case OPT_STATUS:
1285 #ifndef OPENSSL_NO_OCSP
1286 s_tlsextstatus = 1;
1287 #endif
1288 break;
1289 case OPT_STATUS_VERBOSE:
1290 #ifndef OPENSSL_NO_OCSP
1291 s_tlsextstatus = tlscstatp.verbose = 1;
1292 #endif
1293 break;
1294 case OPT_STATUS_TIMEOUT:
1295 #ifndef OPENSSL_NO_OCSP
1296 s_tlsextstatus = 1;
1297 tlscstatp.timeout = atoi(opt_arg());
1298 #endif
1299 break;
1300 case OPT_STATUS_URL:
1301 #ifndef OPENSSL_NO_OCSP
1302 s_tlsextstatus = 1;
1303 if (!OCSP_parse_url(opt_arg(),
1304 &tlscstatp.host,
1305 &tlscstatp.port,
1306 &tlscstatp.path, &tlscstatp.use_ssl)) {
1307 BIO_printf(bio_err, "Error parsing URL\n");
1308 goto end;
1309 }
1310 #endif
1311 break;
1312 case OPT_STATUS_FILE:
1313 #ifndef OPENSSL_NO_OCSP
1314 s_tlsextstatus = 1;
1315 tlscstatp.respin = opt_arg();
1316 #endif
1317 break;
1318 case OPT_MSG:
1319 s_msg = 1;
1320 break;
1321 case OPT_MSGFILE:
1322 bio_s_msg = BIO_new_file(opt_arg(), "w");
1323 break;
1324 case OPT_TRACE:
1325 #ifndef OPENSSL_NO_SSL_TRACE
1326 s_msg = 2;
1327 #endif
1328 break;
1329 case OPT_SECURITY_DEBUG:
1330 sdebug = 1;
1331 break;
1332 case OPT_SECURITY_DEBUG_VERBOSE:
1333 sdebug = 2;
1334 break;
1335 case OPT_STATE:
1336 state = 1;
1337 break;
1338 case OPT_CRLF:
1339 s_crlf = 1;
1340 break;
1341 case OPT_QUIET:
1342 s_quiet = 1;
1343 break;
1344 case OPT_BRIEF:
1345 s_quiet = s_brief = verify_args.quiet = 1;
1346 break;
1347 case OPT_NO_DHE:
1348 #ifndef OPENSSL_NO_DH
1349 no_dhe = 1;
1350 #endif
1351 break;
1352 case OPT_NO_RESUME_EPHEMERAL:
1353 no_resume_ephemeral = 1;
1354 break;
1355 case OPT_PSK_IDENTITY:
1356 #ifndef OPENSSL_NO_PSK
1357 psk_identity = opt_arg();
1358 #endif
1359 break;
1360 case OPT_PSK_HINT:
1361 #ifndef OPENSSL_NO_PSK
1362 psk_identity_hint = opt_arg();
1363 #endif
1364 break;
1365 case OPT_PSK:
1366 #ifndef OPENSSL_NO_PSK
1367 for (p = psk_key = opt_arg(); *p; p++) {
1368 if (isxdigit(_UC(*p)))
1369 continue;
1370 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1371 goto end;
1372 }
1373 #endif
1374 break;
1375 case OPT_SRPVFILE:
1376 #ifndef OPENSSL_NO_SRP
1377 srp_verifier_file = opt_arg();
1378 if (min_version < TLS1_VERSION)
1379 min_version = TLS1_VERSION;
1380 #endif
1381 break;
1382 case OPT_SRPUSERSEED:
1383 #ifndef OPENSSL_NO_SRP
1384 srpuserseed = opt_arg();
1385 if (min_version < TLS1_VERSION)
1386 min_version = TLS1_VERSION;
1387 #endif
1388 break;
1389 case OPT_REV:
1390 rev = 1;
1391 break;
1392 case OPT_WWW:
1393 www = 1;
1394 break;
1395 case OPT_UPPER_WWW:
1396 www = 2;
1397 break;
1398 case OPT_HTTP:
1399 www = 3;
1400 break;
1401 case OPT_SSL_CONFIG:
1402 ssl_config = opt_arg();
1403 break;
1404 case OPT_SSL3:
1405 min_version = SSL3_VERSION;
1406 max_version = SSL3_VERSION;
1407 break;
1408 case OPT_TLS1_3:
1409 min_version = TLS1_3_VERSION;
1410 max_version = TLS1_3_VERSION;
1411 break;
1412 case OPT_TLS1_2:
1413 min_version = TLS1_2_VERSION;
1414 max_version = TLS1_2_VERSION;
1415 break;
1416 case OPT_TLS1_1:
1417 min_version = TLS1_1_VERSION;
1418 max_version = TLS1_1_VERSION;
1419 break;
1420 case OPT_TLS1:
1421 min_version = TLS1_VERSION;
1422 max_version = TLS1_VERSION;
1423 break;
1424 case OPT_DTLS:
1425 #ifndef OPENSSL_NO_DTLS
1426 meth = DTLS_server_method();
1427 socket_type = SOCK_DGRAM;
1428 #endif
1429 break;
1430 case OPT_DTLS1:
1431 #ifndef OPENSSL_NO_DTLS
1432 meth = DTLS_server_method();
1433 min_version = DTLS1_VERSION;
1434 max_version = DTLS1_VERSION;
1435 socket_type = SOCK_DGRAM;
1436 #endif
1437 break;
1438 case OPT_DTLS1_2:
1439 #ifndef OPENSSL_NO_DTLS
1440 meth = DTLS_server_method();
1441 min_version = DTLS1_2_VERSION;
1442 max_version = DTLS1_2_VERSION;
1443 socket_type = SOCK_DGRAM;
1444 #endif
1445 break;
1446 case OPT_SCTP:
1447 #ifndef OPENSSL_NO_SCTP
1448 protocol = IPPROTO_SCTP;
1449 #endif
1450 break;
1451 case OPT_TIMEOUT:
1452 #ifndef OPENSSL_NO_DTLS
1453 enable_timeouts = 1;
1454 #endif
1455 break;
1456 case OPT_MTU:
1457 #ifndef OPENSSL_NO_DTLS
1458 socket_mtu = atol(opt_arg());
1459 #endif
1460 break;
1461 case OPT_LISTEN:
1462 #ifndef OPENSSL_NO_DTLS
1463 dtlslisten = 1;
1464 #endif
1465 break;
1466 case OPT_ID_PREFIX:
1467 session_id_prefix = opt_arg();
1468 break;
1469 case OPT_ENGINE:
1470 engine = setup_engine(opt_arg(), 1);
1471 break;
1472 case OPT_RAND:
1473 inrand = opt_arg();
1474 break;
1475 case OPT_SERVERNAME:
1476 tlsextcbp.servername = opt_arg();
1477 break;
1478 case OPT_SERVERNAME_FATAL:
1479 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1480 break;
1481 case OPT_CERT2:
1482 s_cert_file2 = opt_arg();
1483 break;
1484 case OPT_KEY2:
1485 s_key_file2 = opt_arg();
1486 break;
1487 case OPT_NEXTPROTONEG:
1488 # ifndef OPENSSL_NO_NEXTPROTONEG
1489 next_proto_neg_in = opt_arg();
1490 #endif
1491 break;
1492 case OPT_ALPN:
1493 alpn_in = opt_arg();
1494 break;
1495 case OPT_SRTP_PROFILES:
1496 #ifndef OPENSSL_NO_SRTP
1497 srtp_profiles = opt_arg();
1498 #endif
1499 break;
1500 case OPT_KEYMATEXPORT:
1501 keymatexportlabel = opt_arg();
1502 break;
1503 case OPT_KEYMATEXPORTLEN:
1504 keymatexportlen = atoi(opt_arg());
1505 break;
1506 case OPT_ASYNC:
1507 async = 1;
1508 break;
1509 case OPT_MAX_SEND_FRAG:
1510 max_send_fragment = atoi(opt_arg());
1511 break;
1512 case OPT_SPLIT_SEND_FRAG:
1513 split_send_fragment = atoi(opt_arg());
1514 break;
1515 case OPT_MAX_PIPELINES:
1516 max_pipelines = atoi(opt_arg());
1517 break;
1518 case OPT_READ_BUF:
1519 read_buf_len = atoi(opt_arg());
1520 break;
1521 case OPT_KEYLOG_FILE:
1522 keylog_file = opt_arg();
1523 break;
1524 case OPT_MAX_EARLY:
1525 max_early_data = atoi(opt_arg());
1526 if (max_early_data < 0) {
1527 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1528 goto end;
1529 }
1530 break;
1531 case OPT_EARLY_DATA:
1532 early_data = 1;
1533 break;
1534 }
1535 }
1536 argc = opt_num_rest();
1537 argv = opt_rest();
1538
1539 #ifndef OPENSSL_NO_DTLS
1540 if (www && socket_type == SOCK_DGRAM) {
1541 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1542 goto end;
1543 }
1544
1545 if (dtlslisten && socket_type != SOCK_DGRAM) {
1546 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1547 goto end;
1548 }
1549 #endif
1550
1551 #ifdef AF_UNIX
1552 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1553 BIO_printf(bio_err,
1554 "Can't use unix sockets and datagrams together\n");
1555 goto end;
1556 }
1557 #endif
1558
1559 #ifndef OPENSSL_NO_SCTP
1560 if (protocol == IPPROTO_SCTP) {
1561 if (socket_type != SOCK_DGRAM) {
1562 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1563 goto end;
1564 }
1565 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1566 socket_type = SOCK_STREAM;
1567 }
1568 #endif
1569
1570 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1571 BIO_printf(bio_err, "Error getting password\n");
1572 goto end;
1573 }
1574
1575 if (s_key_file == NULL)
1576 s_key_file = s_cert_file;
1577
1578 if (s_key_file2 == NULL)
1579 s_key_file2 = s_cert_file2;
1580
1581 if (!load_excert(&exc))
1582 goto end;
1583
1584 if (nocert == 0) {
1585 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1586 "server certificate private key file");
1587 if (s_key == NULL) {
1588 ERR_print_errors(bio_err);
1589 goto end;
1590 }
1591
1592 s_cert = load_cert(s_cert_file, s_cert_format,
1593 "server certificate file");
1594
1595 if (s_cert == NULL) {
1596 ERR_print_errors(bio_err);
1597 goto end;
1598 }
1599 if (s_chain_file != NULL) {
1600 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1601 "server certificate chain"))
1602 goto end;
1603 }
1604
1605 if (tlsextcbp.servername != NULL) {
1606 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1607 "second server certificate private key file");
1608 if (s_key2 == NULL) {
1609 ERR_print_errors(bio_err);
1610 goto end;
1611 }
1612
1613 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1614 "second server certificate file");
1615
1616 if (s_cert2 == NULL) {
1617 ERR_print_errors(bio_err);
1618 goto end;
1619 }
1620 }
1621 }
1622 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1623 if (next_proto_neg_in) {
1624 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1625 if (next_proto.data == NULL)
1626 goto end;
1627 }
1628 #endif
1629 alpn_ctx.data = NULL;
1630 if (alpn_in) {
1631 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1632 if (alpn_ctx.data == NULL)
1633 goto end;
1634 }
1635
1636 if (crl_file != NULL) {
1637 X509_CRL *crl;
1638 crl = load_crl(crl_file, crl_format);
1639 if (crl == NULL) {
1640 BIO_puts(bio_err, "Error loading CRL\n");
1641 ERR_print_errors(bio_err);
1642 goto end;
1643 }
1644 crls = sk_X509_CRL_new_null();
1645 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1646 BIO_puts(bio_err, "Error adding CRL\n");
1647 ERR_print_errors(bio_err);
1648 X509_CRL_free(crl);
1649 goto end;
1650 }
1651 }
1652
1653 if (s_dcert_file != NULL) {
1654
1655 if (s_dkey_file == NULL)
1656 s_dkey_file = s_dcert_file;
1657
1658 s_dkey = load_key(s_dkey_file, s_dkey_format,
1659 0, dpass, engine, "second certificate private key file");
1660 if (s_dkey == NULL) {
1661 ERR_print_errors(bio_err);
1662 goto end;
1663 }
1664
1665 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1666 "second server certificate file");
1667
1668 if (s_dcert == NULL) {
1669 ERR_print_errors(bio_err);
1670 goto end;
1671 }
1672 if (s_dchain_file != NULL) {
1673 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1674 "second server certificate chain"))
1675 goto end;
1676 }
1677
1678 }
1679
1680 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1681 && !RAND_status()) {
1682 BIO_printf(bio_err,
1683 "warning, not much extra random data, consider using the -rand option\n");
1684 }
1685 if (inrand != NULL)
1686 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1687 app_RAND_load_files(inrand));
1688
1689 if (bio_s_out == NULL) {
1690 if (s_quiet && !s_debug) {
1691 bio_s_out = BIO_new(BIO_s_null());
1692 if (s_msg && bio_s_msg == NULL)
1693 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1694 } else {
1695 if (bio_s_out == NULL)
1696 bio_s_out = dup_bio_out(FORMAT_TEXT);
1697 }
1698 }
1699 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1700 if (nocert)
1701 #endif
1702 {
1703 s_cert_file = NULL;
1704 s_key_file = NULL;
1705 s_dcert_file = NULL;
1706 s_dkey_file = NULL;
1707 s_cert_file2 = NULL;
1708 s_key_file2 = NULL;
1709 }
1710
1711 ctx = SSL_CTX_new(meth);
1712 if (ctx == NULL) {
1713 ERR_print_errors(bio_err);
1714 goto end;
1715 }
1716 if (sdebug)
1717 ssl_ctx_security_debug(ctx, sdebug);
1718 if (ssl_config) {
1719 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1720 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1721 ssl_config);
1722 ERR_print_errors(bio_err);
1723 goto end;
1724 }
1725 }
1726 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1727 goto end;
1728 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1729 goto end;
1730
1731 if (session_id_prefix) {
1732 if (strlen(session_id_prefix) >= 32)
1733 BIO_printf(bio_err,
1734 "warning: id_prefix is too long, only one new session will be possible\n");
1735 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1736 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1737 ERR_print_errors(bio_err);
1738 goto end;
1739 }
1740 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1741 }
1742 SSL_CTX_set_quiet_shutdown(ctx, 1);
1743 if (exc != NULL)
1744 ssl_ctx_set_excert(ctx, exc);
1745
1746 if (state)
1747 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1748 if (no_cache)
1749 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1750 else if (ext_cache)
1751 init_session_cache_ctx(ctx);
1752 else
1753 SSL_CTX_sess_set_cache_size(ctx, 128);
1754
1755 if (async) {
1756 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1757 }
1758
1759 if (max_send_fragment > 0
1760 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1761 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1762 prog, max_send_fragment);
1763 goto end;
1764 }
1765
1766 if (split_send_fragment > 0
1767 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1768 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1769 prog, split_send_fragment);
1770 goto end;
1771 }
1772 if (max_pipelines > 0
1773 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1774 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1775 prog, max_pipelines);
1776 goto end;
1777 }
1778
1779 if (read_buf_len > 0) {
1780 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1781 }
1782 #ifndef OPENSSL_NO_SRTP
1783 if (srtp_profiles != NULL) {
1784 /* Returns 0 on success! */
1785 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1786 BIO_printf(bio_err, "Error setting SRTP profile\n");
1787 ERR_print_errors(bio_err);
1788 goto end;
1789 }
1790 }
1791 #endif
1792
1793 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1794 ERR_print_errors(bio_err);
1795 goto end;
1796 }
1797 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1798 BIO_printf(bio_err, "Error setting verify params\n");
1799 ERR_print_errors(bio_err);
1800 goto end;
1801 }
1802
1803 ssl_ctx_add_crls(ctx, crls, 0);
1804 if (!config_ctx(cctx, ssl_args, ctx))
1805 goto end;
1806
1807 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1808 crls, crl_download)) {
1809 BIO_printf(bio_err, "Error loading store locations\n");
1810 ERR_print_errors(bio_err);
1811 goto end;
1812 }
1813
1814 if (s_cert2) {
1815 ctx2 = SSL_CTX_new(meth);
1816 if (ctx2 == NULL) {
1817 ERR_print_errors(bio_err);
1818 goto end;
1819 }
1820 }
1821
1822 if (ctx2 != NULL) {
1823 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1824
1825 if (sdebug)
1826 ssl_ctx_security_debug(ctx, sdebug);
1827
1828 if (session_id_prefix) {
1829 if (strlen(session_id_prefix) >= 32)
1830 BIO_printf(bio_err,
1831 "warning: id_prefix is too long, only one new session will be possible\n");
1832 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1833 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1834 ERR_print_errors(bio_err);
1835 goto end;
1836 }
1837 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1838 }
1839 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1840 if (exc != NULL)
1841 ssl_ctx_set_excert(ctx2, exc);
1842
1843 if (state)
1844 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1845
1846 if (no_cache)
1847 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1848 else if (ext_cache)
1849 init_session_cache_ctx(ctx2);
1850 else
1851 SSL_CTX_sess_set_cache_size(ctx2, 128);
1852
1853 if (async)
1854 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1855
1856 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1857 noCApath)) {
1858 ERR_print_errors(bio_err);
1859 goto end;
1860 }
1861 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1862 BIO_printf(bio_err, "Error setting verify params\n");
1863 ERR_print_errors(bio_err);
1864 goto end;
1865 }
1866
1867 ssl_ctx_add_crls(ctx2, crls, 0);
1868 if (!config_ctx(cctx, ssl_args, ctx2))
1869 goto end;
1870 }
1871 #ifndef OPENSSL_NO_NEXTPROTONEG
1872 if (next_proto.data)
1873 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1874 &next_proto);
1875 #endif
1876 if (alpn_ctx.data)
1877 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1878
1879 #ifndef OPENSSL_NO_DH
1880 if (!no_dhe) {
1881 DH *dh = NULL;
1882
1883 if (dhfile != NULL)
1884 dh = load_dh_param(dhfile);
1885 else if (s_cert_file != NULL)
1886 dh = load_dh_param(s_cert_file);
1887
1888 if (dh != NULL) {
1889 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1890 } else {
1891 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1892 }
1893 (void)BIO_flush(bio_s_out);
1894
1895 if (dh == NULL) {
1896 SSL_CTX_set_dh_auto(ctx, 1);
1897 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1898 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1899 ERR_print_errors(bio_err);
1900 DH_free(dh);
1901 goto end;
1902 }
1903
1904 if (ctx2 != NULL) {
1905 if (!dhfile) {
1906 DH *dh2 = load_dh_param(s_cert_file2);
1907 if (dh2 != NULL) {
1908 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1909 (void)BIO_flush(bio_s_out);
1910
1911 DH_free(dh);
1912 dh = dh2;
1913 }
1914 }
1915 if (dh == NULL) {
1916 SSL_CTX_set_dh_auto(ctx2, 1);
1917 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1918 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1919 ERR_print_errors(bio_err);
1920 DH_free(dh);
1921 goto end;
1922 }
1923 }
1924 DH_free(dh);
1925 }
1926 #endif
1927
1928 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1929 goto end;
1930
1931 if (s_serverinfo_file != NULL
1932 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1933 ERR_print_errors(bio_err);
1934 goto end;
1935 }
1936
1937 if (ctx2 != NULL
1938 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1939 goto end;
1940
1941 if (s_dcert != NULL) {
1942 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1943 goto end;
1944 }
1945
1946 if (no_resume_ephemeral) {
1947 SSL_CTX_set_not_resumable_session_callback(ctx,
1948 not_resumable_sess_cb);
1949
1950 if (ctx2 != NULL)
1951 SSL_CTX_set_not_resumable_session_callback(ctx2,
1952 not_resumable_sess_cb);
1953 }
1954 #ifndef OPENSSL_NO_PSK
1955 if (psk_key != NULL) {
1956 if (s_debug)
1957 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1958 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1959 }
1960
1961 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1962 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1963 ERR_print_errors(bio_err);
1964 goto end;
1965 }
1966 #endif
1967
1968 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1969 if (!SSL_CTX_set_session_id_context(ctx,
1970 (void *)&s_server_session_id_context,
1971 sizeof s_server_session_id_context)) {
1972 BIO_printf(bio_err, "error setting session id context\n");
1973 ERR_print_errors(bio_err);
1974 goto end;
1975 }
1976
1977 /* Set DTLS cookie generation and verification callbacks */
1978 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1979 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1980
1981 if (ctx2 != NULL) {
1982 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1983 if (!SSL_CTX_set_session_id_context(ctx2,
1984 (void *)&s_server_session_id_context,
1985 sizeof s_server_session_id_context)) {
1986 BIO_printf(bio_err, "error setting session id context\n");
1987 ERR_print_errors(bio_err);
1988 goto end;
1989 }
1990 tlsextcbp.biodebug = bio_s_out;
1991 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1992 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1993 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1994 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1995 }
1996
1997 #ifndef OPENSSL_NO_SRP
1998 if (srp_verifier_file != NULL) {
1999 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2000 srp_callback_parm.user = NULL;
2001 srp_callback_parm.login = NULL;
2002 if ((ret =
2003 SRP_VBASE_init(srp_callback_parm.vb,
2004 srp_verifier_file)) != SRP_NO_ERROR) {
2005 BIO_printf(bio_err,
2006 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2007 srp_verifier_file, ret);
2008 goto end;
2009 }
2010 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2011 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2012 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2013 } else
2014 #endif
2015 if (CAfile != NULL) {
2016 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2017
2018 if (ctx2)
2019 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2020 }
2021 #ifndef OPENSSL_NO_OCSP
2022 if (s_tlsextstatus) {
2023 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2024 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2025 if (ctx2) {
2026 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2027 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2028 }
2029 }
2030 #endif
2031 if (set_keylog_file(ctx, keylog_file))
2032 goto end;
2033
2034 if (max_early_data >= 0)
2035 SSL_CTX_set_max_early_data(ctx, max_early_data);
2036
2037 BIO_printf(bio_s_out, "ACCEPT\n");
2038 (void)BIO_flush(bio_s_out);
2039 if (rev)
2040 server_cb = rev_body;
2041 else if (www)
2042 server_cb = www_body;
2043 else
2044 server_cb = sv_body;
2045 #ifdef AF_UNIX
2046 if (socket_family == AF_UNIX
2047 && unlink_unix_path)
2048 unlink(host);
2049 #endif
2050 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2051 server_cb, context, naccept);
2052 print_stats(bio_s_out, ctx);
2053 ret = 0;
2054 end:
2055 SSL_CTX_free(ctx);
2056 set_keylog_file(NULL, NULL);
2057 X509_free(s_cert);
2058 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2059 X509_free(s_dcert);
2060 EVP_PKEY_free(s_key);
2061 EVP_PKEY_free(s_dkey);
2062 sk_X509_pop_free(s_chain, X509_free);
2063 sk_X509_pop_free(s_dchain, X509_free);
2064 OPENSSL_free(pass);
2065 OPENSSL_free(dpass);
2066 OPENSSL_free(host);
2067 OPENSSL_free(port);
2068 X509_VERIFY_PARAM_free(vpm);
2069 free_sessions();
2070 OPENSSL_free(tlscstatp.host);
2071 OPENSSL_free(tlscstatp.port);
2072 OPENSSL_free(tlscstatp.path);
2073 SSL_CTX_free(ctx2);
2074 X509_free(s_cert2);
2075 EVP_PKEY_free(s_key2);
2076 #ifndef OPENSSL_NO_NEXTPROTONEG
2077 OPENSSL_free(next_proto.data);
2078 #endif
2079 OPENSSL_free(alpn_ctx.data);
2080 ssl_excert_free(exc);
2081 sk_OPENSSL_STRING_free(ssl_args);
2082 SSL_CONF_CTX_free(cctx);
2083 release_engine(engine);
2084 BIO_free(bio_s_out);
2085 bio_s_out = NULL;
2086 BIO_free(bio_s_msg);
2087 bio_s_msg = NULL;
2088 #ifdef CHARSET_EBCDIC
2089 BIO_meth_free(methods_ebcdic);
2090 #endif
2091 return (ret);
2092 }
2093
2094 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2095 {
2096 BIO_printf(bio, "%4ld items in the session cache\n",
2097 SSL_CTX_sess_number(ssl_ctx));
2098 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2099 SSL_CTX_sess_connect(ssl_ctx));
2100 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2101 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2102 BIO_printf(bio, "%4ld client connects that finished\n",
2103 SSL_CTX_sess_connect_good(ssl_ctx));
2104 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2105 SSL_CTX_sess_accept(ssl_ctx));
2106 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2107 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2108 BIO_printf(bio, "%4ld server accepts that finished\n",
2109 SSL_CTX_sess_accept_good(ssl_ctx));
2110 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2111 BIO_printf(bio, "%4ld session cache misses\n",
2112 SSL_CTX_sess_misses(ssl_ctx));
2113 BIO_printf(bio, "%4ld session cache timeouts\n",
2114 SSL_CTX_sess_timeouts(ssl_ctx));
2115 BIO_printf(bio, "%4ld callback cache hits\n",
2116 SSL_CTX_sess_cb_hits(ssl_ctx));
2117 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2118 SSL_CTX_sess_cache_full(ssl_ctx),
2119 SSL_CTX_sess_get_cache_size(ssl_ctx));
2120 }
2121
2122 static int sv_body(int s, int stype, int prot, unsigned char *context)
2123 {
2124 char *buf = NULL;
2125 fd_set readfds;
2126 int ret = 1, width;
2127 int k, i;
2128 unsigned long l;
2129 SSL *con = NULL;
2130 BIO *sbio;
2131 struct timeval timeout;
2132 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2133 struct timeval tv;
2134 #else
2135 struct timeval *timeoutp;
2136 #endif
2137 #ifndef OPENSSL_NO_DTLS
2138 # ifndef OPENSSL_NO_SCTP
2139 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2140 # else
2141 int isdtls = (stype == SOCK_DGRAM);
2142 # endif
2143 #endif
2144
2145 buf = app_malloc(bufsize, "server buffer");
2146 if (s_nbio) {
2147 if (!BIO_socket_nbio(s, 1))
2148 ERR_print_errors(bio_err);
2149 else if (!s_quiet)
2150 BIO_printf(bio_err, "Turned on non blocking io\n");
2151 }
2152
2153 if (con == NULL) {
2154 con = SSL_new(ctx);
2155
2156 if (s_tlsextdebug) {
2157 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2158 SSL_set_tlsext_debug_arg(con, bio_s_out);
2159 }
2160
2161 if (context
2162 && !SSL_set_session_id_context(con,
2163 context, strlen((char *)context))) {
2164 BIO_printf(bio_err, "Error setting session id context\n");
2165 ret = -1;
2166 goto err;
2167 }
2168 }
2169 if (!SSL_clear(con)) {
2170 BIO_printf(bio_err, "Error clearing SSL connection\n");
2171 ret = -1;
2172 goto err;
2173 }
2174 #ifndef OPENSSL_NO_DTLS
2175 if (isdtls) {
2176 # ifndef OPENSSL_NO_SCTP
2177 if (prot == IPPROTO_SCTP)
2178 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2179 else
2180 # endif
2181 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2182
2183 if (enable_timeouts) {
2184 timeout.tv_sec = 0;
2185 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2186 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2187
2188 timeout.tv_sec = 0;
2189 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2190 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2191 }
2192
2193 if (socket_mtu) {
2194 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2195 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2196 DTLS_get_link_min_mtu(con));
2197 ret = -1;
2198 BIO_free(sbio);
2199 goto err;
2200 }
2201 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2202 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2203 BIO_printf(bio_err, "Failed to set MTU\n");
2204 ret = -1;
2205 BIO_free(sbio);
2206 goto err;
2207 }
2208 } else
2209 /* want to do MTU discovery */
2210 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2211
2212 # ifndef OPENSSL_NO_SCTP
2213 if (prot != IPPROTO_SCTP) {
2214 /* Turn on cookie exchange. Not necessary for SCTP */
2215 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2216 }
2217 # endif
2218 } else
2219 #endif
2220 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2221
2222 if (sbio == NULL) {
2223 BIO_printf(bio_err, "Unable to create BIO\n");
2224 ERR_print_errors(bio_err);
2225 goto err;
2226 }
2227
2228 if (s_nbio_test) {
2229 BIO *test;
2230
2231 test = BIO_new(BIO_f_nbio_test());
2232 sbio = BIO_push(test, sbio);
2233 }
2234
2235 SSL_set_bio(con, sbio, sbio);
2236 SSL_set_accept_state(con);
2237 /* SSL_set_fd(con,s); */
2238
2239 if (s_debug) {
2240 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2241 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2242 }
2243 if (s_msg) {
2244 #ifndef OPENSSL_NO_SSL_TRACE
2245 if (s_msg == 2)
2246 SSL_set_msg_callback(con, SSL_trace);
2247 else
2248 #endif
2249 SSL_set_msg_callback(con, msg_cb);
2250 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2251 }
2252
2253 if (s_tlsextdebug) {
2254 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2255 SSL_set_tlsext_debug_arg(con, bio_s_out);
2256 }
2257
2258 if (early_data) {
2259 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2260 size_t readbytes;
2261
2262 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2263 for (;;) {
2264 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2265 if (edret != SSL_READ_EARLY_DATA_ERROR)
2266 break;
2267
2268 switch (SSL_get_error(con, 0)) {
2269 case SSL_ERROR_WANT_WRITE:
2270 case SSL_ERROR_WANT_ASYNC:
2271 case SSL_ERROR_WANT_READ:
2272 /* Just keep trying - busy waiting */
2273 continue;
2274 default:
2275 BIO_printf(bio_err, "Error reading early data\n");
2276 ERR_print_errors(bio_err);
2277 goto err;
2278 }
2279 }
2280 if (readbytes > 0) {
2281 if (write_header) {
2282 BIO_printf(bio_s_out, "Early data received:\n");
2283 write_header = 0;
2284 }
2285 raw_write_stdout(buf, (unsigned int)readbytes);
2286 (void)BIO_flush(bio_s_out);
2287 }
2288 }
2289 if (write_header)
2290 BIO_printf(bio_s_out, "No early data received\n");
2291 else
2292 BIO_printf(bio_s_out, "\nEnd of early data\n");
2293 if (SSL_is_init_finished(con))
2294 print_connection_info(con);
2295 }
2296
2297 if (fileno_stdin() > s)
2298 width = fileno_stdin() + 1;
2299 else
2300 width = s + 1;
2301 for (;;) {
2302 int read_from_terminal;
2303 int read_from_sslcon;
2304
2305 read_from_terminal = 0;
2306 read_from_sslcon = SSL_has_pending(con)
2307 || (async && SSL_waiting_for_async(con));
2308
2309 if (!read_from_sslcon) {
2310 FD_ZERO(&readfds);
2311 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2312 openssl_fdset(fileno_stdin(), &readfds);
2313 #endif
2314 openssl_fdset(s, &readfds);
2315 /*
2316 * Note: under VMS with SOCKETSHR the second parameter is
2317 * currently of type (int *) whereas under other systems it is
2318 * (void *) if you don't have a cast it will choke the compiler:
2319 * if you do have a cast then you can either go for (int *) or
2320 * (void *).
2321 */
2322 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2323 /*
2324 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2325 * only on sockets. As a workaround we timeout the select every
2326 * second and check for any keypress. In a proper Windows
2327 * application we wouldn't do this because it is inefficient.
2328 */
2329 tv.tv_sec = 1;
2330 tv.tv_usec = 0;
2331 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2332 if (has_stdin_waiting())
2333 read_from_terminal = 1;
2334 if ((i < 0) || (!i && !read_from_terminal))
2335 continue;
2336 #else
2337 if ((SSL_version(con) == DTLS1_VERSION) &&
2338 DTLSv1_get_timeout(con, &timeout))
2339 timeoutp = &timeout;
2340 else
2341 timeoutp = NULL;
2342
2343 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2344
2345 if ((SSL_version(con) == DTLS1_VERSION)
2346 && DTLSv1_handle_timeout(con) > 0) {
2347 BIO_printf(bio_err, "TIMEOUT occurred\n");
2348 }
2349
2350 if (i <= 0)
2351 continue;
2352 if (FD_ISSET(fileno_stdin(), &readfds))
2353 read_from_terminal = 1;
2354 #endif
2355 if (FD_ISSET(s, &readfds))
2356 read_from_sslcon = 1;
2357 }
2358 if (read_from_terminal) {
2359 if (s_crlf) {
2360 int j, lf_num;
2361
2362 i = raw_read_stdin(buf, bufsize / 2);
2363 lf_num = 0;
2364 /* both loops are skipped when i <= 0 */
2365 for (j = 0; j < i; j++)
2366 if (buf[j] == '\n')
2367 lf_num++;
2368 for (j = i - 1; j >= 0; j--) {
2369 buf[j + lf_num] = buf[j];
2370 if (buf[j] == '\n') {
2371 lf_num--;
2372 i++;
2373 buf[j + lf_num] = '\r';
2374 }
2375 }
2376 assert(lf_num == 0);
2377 } else {
2378 i = raw_read_stdin(buf, bufsize);
2379 }
2380
2381 if (!s_quiet && !s_brief) {
2382 if ((i <= 0) || (buf[0] == 'Q')) {
2383 BIO_printf(bio_s_out, "DONE\n");
2384 (void)BIO_flush(bio_s_out);
2385 BIO_closesocket(s);
2386 close_accept_socket();
2387 ret = -11;
2388 goto err;
2389 }
2390 if ((i <= 0) || (buf[0] == 'q')) {
2391 BIO_printf(bio_s_out, "DONE\n");
2392 (void)BIO_flush(bio_s_out);
2393 if (SSL_version(con) != DTLS1_VERSION)
2394 BIO_closesocket(s);
2395 /*
2396 * close_accept_socket(); ret= -11;
2397 */
2398 goto err;
2399 }
2400 #ifndef OPENSSL_NO_HEARTBEATS
2401 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2402 BIO_printf(bio_err, "HEARTBEATING\n");
2403 SSL_heartbeat(con);
2404 i = 0;
2405 continue;
2406 }
2407 #endif
2408 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2409 SSL_renegotiate(con);
2410 i = SSL_do_handshake(con);
2411 printf("SSL_do_handshake -> %d\n", i);
2412 i = 0; /* 13; */
2413 continue;
2414 /*
2415 * strcpy(buf,"server side RE-NEGOTIATE\n");
2416 */
2417 }
2418 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2419 SSL_set_verify(con,
2420 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2421 NULL);
2422 SSL_renegotiate(con);
2423 i = SSL_do_handshake(con);
2424 printf("SSL_do_handshake -> %d\n", i);
2425 i = 0; /* 13; */
2426 continue;
2427 /*
2428 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2429 * cert\n");
2430 */
2431 }
2432 if ((buf[0] == 'K' || buf[0] == 'k')
2433 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2434 SSL_key_update(con, buf[0] == 'K' ?
2435 SSL_KEY_UPDATE_REQUESTED
2436 : SSL_KEY_UPDATE_NOT_REQUESTED);
2437 i = SSL_do_handshake(con);
2438 printf("SSL_do_handshake -> %d\n", i);
2439 i = 0;
2440 continue;
2441 /*
2442 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2443 * cert\n");
2444 */
2445 }
2446 if (buf[0] == 'P') {
2447 static const char *str = "Lets print some clear text\n";
2448 BIO_write(SSL_get_wbio(con), str, strlen(str));
2449 }
2450 if (buf[0] == 'S') {
2451 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2452 }
2453 }
2454 #ifdef CHARSET_EBCDIC
2455 ebcdic2ascii(buf, buf, i);
2456 #endif
2457 l = k = 0;
2458 for (;;) {
2459 /* should do a select for the write */
2460 #ifdef RENEG
2461 static count = 0;
2462 if (++count == 100) {
2463 count = 0;
2464 SSL_renegotiate(con);
2465 }
2466 #endif
2467 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2468 #ifndef OPENSSL_NO_SRP
2469 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2470 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2471 SRP_user_pwd_free(srp_callback_parm.user);
2472 srp_callback_parm.user =
2473 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2474 srp_callback_parm.login);
2475 if (srp_callback_parm.user)
2476 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2477 srp_callback_parm.user->info);
2478 else
2479 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2480 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2481 }
2482 #endif
2483 switch (SSL_get_error(con, k)) {
2484 case SSL_ERROR_NONE:
2485 break;
2486 case SSL_ERROR_WANT_ASYNC:
2487 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2488 (void)BIO_flush(bio_s_out);
2489 wait_for_async(con);
2490 break;
2491 case SSL_ERROR_WANT_WRITE:
2492 case SSL_ERROR_WANT_READ:
2493 case SSL_ERROR_WANT_X509_LOOKUP:
2494 BIO_printf(bio_s_out, "Write BLOCK\n");
2495 (void)BIO_flush(bio_s_out);
2496 break;
2497 case SSL_ERROR_WANT_ASYNC_JOB:
2498 /*
2499 * This shouldn't ever happen in s_server. Treat as an error
2500 */
2501 case SSL_ERROR_SYSCALL:
2502 case SSL_ERROR_SSL:
2503 BIO_printf(bio_s_out, "ERROR\n");
2504 (void)BIO_flush(bio_s_out);
2505 ERR_print_errors(bio_err);
2506 ret = 1;
2507 goto err;
2508 /* break; */
2509 case SSL_ERROR_ZERO_RETURN:
2510 BIO_printf(bio_s_out, "DONE\n");
2511 (void)BIO_flush(bio_s_out);
2512 ret = 1;
2513 goto err;
2514 }
2515 if (k > 0) {
2516 l += k;
2517 i -= k;
2518 }
2519 if (i <= 0)
2520 break;
2521 }
2522 }
2523 if (read_from_sslcon) {
2524 /*
2525 * init_ssl_connection handles all async events itself so if we're
2526 * waiting for async then we shouldn't go back into
2527 * init_ssl_connection
2528 */
2529 if ((!async || !SSL_waiting_for_async(con))
2530 && !SSL_is_init_finished(con)) {
2531 i = init_ssl_connection(con);
2532
2533 if (i < 0) {
2534 ret = 0;
2535 goto err;
2536 } else if (i == 0) {
2537 ret = 1;
2538 goto err;
2539 }
2540 } else {
2541 again:
2542 i = SSL_read(con, (char *)buf, bufsize);
2543 #ifndef OPENSSL_NO_SRP
2544 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2545 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2546 SRP_user_pwd_free(srp_callback_parm.user);
2547 srp_callback_parm.user =
2548 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2549 srp_callback_parm.login);
2550 if (srp_callback_parm.user)
2551 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2552 srp_callback_parm.user->info);
2553 else
2554 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2555 i = SSL_read(con, (char *)buf, bufsize);
2556 }
2557 #endif
2558 switch (SSL_get_error(con, i)) {
2559 case SSL_ERROR_NONE:
2560 #ifdef CHARSET_EBCDIC
2561 ascii2ebcdic(buf, buf, i);
2562 #endif
2563 raw_write_stdout(buf, (unsigned int)i);
2564 (void)BIO_flush(bio_s_out);
2565 if (SSL_has_pending(con))
2566 goto again;
2567 break;
2568 case SSL_ERROR_WANT_ASYNC:
2569 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2570 (void)BIO_flush(bio_s_out);
2571 wait_for_async(con);
2572 break;
2573 case SSL_ERROR_WANT_WRITE:
2574 case SSL_ERROR_WANT_READ:
2575 BIO_printf(bio_s_out, "Read BLOCK\n");
2576 (void)BIO_flush(bio_s_out);
2577 break;
2578 case SSL_ERROR_WANT_ASYNC_JOB:
2579 /*
2580 * This shouldn't ever happen in s_server. Treat as an error
2581 */
2582 case SSL_ERROR_SYSCALL:
2583 case SSL_ERROR_SSL:
2584 BIO_printf(bio_s_out, "ERROR\n");
2585 (void)BIO_flush(bio_s_out);
2586 ERR_print_errors(bio_err);
2587 ret = 1;
2588 goto err;
2589 case SSL_ERROR_ZERO_RETURN:
2590 BIO_printf(bio_s_out, "DONE\n");
2591 (void)BIO_flush(bio_s_out);
2592 ret = 1;
2593 goto err;
2594 }
2595 }
2596 }
2597 }
2598 err:
2599 if (con != NULL) {
2600 BIO_printf(bio_s_out, "shutting down SSL\n");
2601 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2602 SSL_free(con);
2603 }
2604 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2605 OPENSSL_clear_free(buf, bufsize);
2606 if (ret >= 0)
2607 BIO_printf(bio_s_out, "ACCEPT\n");
2608 (void)BIO_flush(bio_s_out);
2609 return (ret);
2610 }
2611
2612 static void close_accept_socket(void)
2613 {
2614 BIO_printf(bio_err, "shutdown accept socket\n");
2615 if (accept_socket >= 0) {
2616 BIO_closesocket(accept_socket);
2617 }
2618 }
2619
2620 static int is_retryable(SSL *con, int i)
2621 {
2622 int err = SSL_get_error(con, i);
2623
2624 /* If it's not a fatal error, it must be retryable */
2625 return (err != SSL_ERROR_SSL)
2626 && (err != SSL_ERROR_SYSCALL)
2627 && (err != SSL_ERROR_ZERO_RETURN);
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 = is_retryable(con, i);
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 = is_retryable(con, i);
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 = is_retryable(con, i);
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 ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2791 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2792
2793 if (keymatexportlabel != NULL) {
2794 BIO_printf(bio_s_out, "Keying material exporter:\n");
2795 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2796 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2797 exportedkeymat = app_malloc(keymatexportlen, "export key");
2798 if (!SSL_export_keying_material(con, exportedkeymat,
2799 keymatexportlen,
2800 keymatexportlabel,
2801 strlen(keymatexportlabel),
2802 NULL, 0, 0)) {
2803 BIO_printf(bio_s_out, " Error\n");
2804 } else {
2805 BIO_printf(bio_s_out, " Keying material: ");
2806 for (i = 0; i < keymatexportlen; i++)
2807 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2808 BIO_printf(bio_s_out, "\n");
2809 }
2810 OPENSSL_free(exportedkeymat);
2811 }
2812
2813 (void)BIO_flush(bio_s_out);
2814 }
2815
2816 #ifndef OPENSSL_NO_DH
2817 static DH *load_dh_param(const char *dhfile)
2818 {
2819 DH *ret = NULL;
2820 BIO *bio;
2821
2822 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2823 goto err;
2824 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2825 err:
2826 BIO_free(bio);
2827 return (ret);
2828 }
2829 #endif
2830
2831 static int www_body(int s, int stype, int prot, unsigned char *context)
2832 {
2833 char *buf = NULL;
2834 int ret = 1;
2835 int i, j, k, dot;
2836 SSL *con;
2837 const SSL_CIPHER *c;
2838 BIO *io, *ssl_bio, *sbio;
2839 #ifdef RENEG
2840 int total_bytes = 0;
2841 #endif
2842 int width;
2843 fd_set readfds;
2844
2845 /* Set width for a select call if needed */
2846 width = s + 1;
2847
2848 buf = app_malloc(bufsize, "server www buffer");
2849 io = BIO_new(BIO_f_buffer());
2850 ssl_bio = BIO_new(BIO_f_ssl());
2851 if ((io == NULL) || (ssl_bio == NULL))
2852 goto err;
2853
2854 if (s_nbio) {
2855 if (!BIO_socket_nbio(s, 1))
2856 ERR_print_errors(bio_err);
2857 else if (!s_quiet)
2858 BIO_printf(bio_err, "Turned on non blocking io\n");
2859 }
2860
2861 /* lets make the output buffer a reasonable size */
2862 if (!BIO_set_write_buffer_size(io, bufsize))
2863 goto err;
2864
2865 if ((con = SSL_new(ctx)) == NULL)
2866 goto err;
2867
2868 if (s_tlsextdebug) {
2869 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2870 SSL_set_tlsext_debug_arg(con, bio_s_out);
2871 }
2872
2873 if (context != NULL
2874 && !SSL_set_session_id_context(con, context,
2875 strlen((char *)context)))
2876 goto err;
2877
2878 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2879 if (s_nbio_test) {
2880 BIO *test;
2881
2882 test = BIO_new(BIO_f_nbio_test());
2883 sbio = BIO_push(test, sbio);
2884 }
2885 SSL_set_bio(con, sbio, sbio);
2886 SSL_set_accept_state(con);
2887
2888 /* SSL_set_fd(con,s); */
2889 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2890 BIO_push(io, ssl_bio);
2891 #ifdef CHARSET_EBCDIC
2892 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2893 #endif
2894
2895 if (s_debug) {
2896 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2897 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2898 }
2899 if (s_msg) {
2900 #ifndef OPENSSL_NO_SSL_TRACE
2901 if (s_msg == 2)
2902 SSL_set_msg_callback(con, SSL_trace);
2903 else
2904 #endif
2905 SSL_set_msg_callback(con, msg_cb);
2906 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2907 }
2908
2909 for (;;) {
2910 i = BIO_gets(io, buf, bufsize - 1);
2911 if (i < 0) { /* error */
2912 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2913 if (!s_quiet)
2914 ERR_print_errors(bio_err);
2915 goto err;
2916 } else {
2917 BIO_printf(bio_s_out, "read R BLOCK\n");
2918 #ifndef OPENSSL_NO_SRP
2919 if (BIO_should_io_special(io)
2920 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2921 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2922 SRP_user_pwd_free(srp_callback_parm.user);
2923 srp_callback_parm.user =
2924 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2925 srp_callback_parm.login);
2926 if (srp_callback_parm.user)
2927 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2928 srp_callback_parm.user->info);
2929 else
2930 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2931 continue;
2932 }
2933 #endif
2934 #if !defined(OPENSSL_SYS_MSDOS)
2935 sleep(1);
2936 #endif
2937 continue;
2938 }
2939 } else if (i == 0) { /* end of input */
2940 ret = 1;
2941 goto end;
2942 }
2943
2944 /* else we have data */
2945 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2946 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2947 char *p;
2948 X509 *peer = NULL;
2949 STACK_OF(SSL_CIPHER) *sk;
2950 static const char *space = " ";
2951
2952 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2953 if (strncmp("GET /renegcert", buf, 14) == 0)
2954 SSL_set_verify(con,
2955 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2956 NULL);
2957 i = SSL_renegotiate(con);
2958 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2959 /* Send the HelloRequest */
2960 i = SSL_do_handshake(con);
2961 if (i <= 0) {
2962 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2963 SSL_get_error(con, i));
2964 ERR_print_errors(bio_err);
2965 goto err;
2966 }
2967 /* Wait for a ClientHello to come back */
2968 FD_ZERO(&readfds);
2969 openssl_fdset(s, &readfds);
2970 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2971 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2972 BIO_printf(bio_s_out,
2973 "Error waiting for client response\n");
2974 ERR_print_errors(bio_err);
2975 goto err;
2976 }
2977 /*
2978 * We're not actually expecting any data here and we ignore
2979 * any that is sent. This is just to force the handshake that
2980 * we're expecting to come from the client. If they haven't
2981 * sent one there's not much we can do.
2982 */
2983 BIO_gets(io, buf, bufsize - 1);
2984 }
2985
2986 BIO_puts(io,
2987 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2988 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2989 BIO_puts(io, "<pre>\n");
2990 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2991 BIO_puts(io, "\n");
2992 for (i = 0; i < local_argc; i++) {
2993 const char *myp;
2994 for (myp = local_argv[i]; *myp; myp++)
2995 switch (*myp) {
2996 case '<':
2997 BIO_puts(io, "&lt;");
2998 break;
2999 case '>':
3000 BIO_puts(io, "&gt;");
3001 break;
3002 case '&':
3003 BIO_puts(io, "&amp;");
3004 break;
3005 default:
3006 BIO_write(io, myp, 1);
3007 break;
3008 }
3009 BIO_write(io, " ", 1);
3010 }
3011 BIO_puts(io, "\n");
3012
3013 BIO_printf(io,
3014 "Secure Renegotiation IS%s supported\n",
3015 SSL_get_secure_renegotiation_support(con) ?
3016 "" : " NOT");
3017
3018 /*
3019 * The following is evil and should not really be done
3020 */
3021 BIO_printf(io, "Ciphers supported in s_server binary\n");
3022 sk = SSL_get_ciphers(con);
3023 j = sk_SSL_CIPHER_num(sk);
3024 for (i = 0; i < j; i++) {
3025 c = sk_SSL_CIPHER_value(sk, i);
3026 BIO_printf(io, "%-11s:%-25s ",
3027 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3028 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3029 BIO_puts(io, "\n");
3030 }
3031 BIO_puts(io, "\n");
3032 p = SSL_get_shared_ciphers(con, buf, bufsize);
3033 if (p != NULL) {
3034 BIO_printf(io,
3035 "---\nCiphers common between both SSL end points:\n");
3036 j = i = 0;
3037 while (*p) {
3038 if (*p == ':') {
3039 BIO_write(io, space, 26 - j);
3040 i++;
3041 j = 0;
3042 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3043 } else {
3044 BIO_write(io, p, 1);
3045 j++;
3046 }
3047 p++;
3048 }
3049 BIO_puts(io, "\n");
3050 }
3051 ssl_print_sigalgs(io, con);
3052 #ifndef OPENSSL_NO_EC
3053 ssl_print_groups(io, con, 0);
3054 #endif
3055 print_ca_names(io, con);
3056 BIO_printf(io, (SSL_session_reused(con)
3057 ? "---\nReused, " : "---\nNew, "));
3058 c = SSL_get_current_cipher(con);
3059 BIO_printf(io, "%s, Cipher is %s\n",
3060 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3061 SSL_SESSION_print(io, SSL_get_session(con));
3062 BIO_printf(io, "---\n");
3063 print_stats(io, SSL_get_SSL_CTX(con));
3064 BIO_printf(io, "---\n");
3065 peer = SSL_get_peer_certificate(con);
3066 if (peer != NULL) {
3067 BIO_printf(io, "Client certificate\n");
3068 X509_print(io, peer);
3069 PEM_write_bio_X509(io, peer);
3070 X509_free(peer);
3071 peer = NULL;
3072 } else
3073 BIO_puts(io, "no client certificate available\n");
3074 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
3075 break;
3076 } else if ((www == 2 || www == 3)
3077 && (strncmp("GET /", buf, 5) == 0)) {
3078 BIO *file;
3079 char *p, *e;
3080 static const char *text =
3081 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3082
3083 /* skip the '/' */
3084 p = &(buf[5]);
3085
3086 dot = 1;
3087 for (e = p; *e != '\0'; e++) {
3088 if (e[0] == ' ')
3089 break;
3090
3091 switch (dot) {
3092 case 1:
3093 dot = (e[0] == '.') ? 2 : 0;
3094 break;
3095 case 2:
3096 dot = (e[0] == '.') ? 3 : 0;
3097 break;
3098 case 3:
3099 dot = (e[0] == '/') ? -1 : 0;
3100 break;
3101 }
3102 if (dot == 0)
3103 dot = (e[0] == '/') ? 1 : 0;
3104 }
3105 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3106 * component */
3107
3108 if (*e == '\0') {
3109 BIO_puts(io, text);
3110 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3111 break;
3112 }
3113 *e = '\0';
3114
3115 if (dot) {
3116 BIO_puts(io, text);
3117 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3118 break;
3119 }
3120
3121 if (*p == '/') {
3122 BIO_puts(io, text);
3123 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3124 break;
3125 }
3126
3127 /* if a directory, do the index thang */
3128 if (app_isdir(p) > 0) {
3129 BIO_puts(io, text);
3130 BIO_printf(io, "'%s' is a directory\r\n", p);
3131 break;
3132 }
3133
3134 if ((file = BIO_new_file(p, "r")) == NULL) {
3135 BIO_puts(io, text);
3136 BIO_printf(io, "Error opening '%s'\r\n", p);
3137 ERR_print_errors(io);
3138 break;
3139 }
3140
3141 if (!s_quiet)
3142 BIO_printf(bio_err, "FILE:%s\n", p);
3143
3144 if (www == 2) {
3145 i = strlen(p);
3146 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3147 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3148 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3149 BIO_puts(io,
3150 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3151 else
3152 BIO_puts(io,
3153 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3154 }
3155 /* send the file */
3156 for (;;) {
3157 i = BIO_read(file, buf, bufsize);
3158 if (i <= 0)
3159 break;
3160
3161 #ifdef RENEG
3162 total_bytes += i;
3163 BIO_printf(bio_err, "%d\n", i);
3164 if (total_bytes > 3 * 1024) {
3165 total_bytes = 0;
3166 BIO_printf(bio_err, "RENEGOTIATE\n");
3167 SSL_renegotiate(con);
3168 }
3169 #endif
3170
3171 for (j = 0; j < i;) {
3172 #ifdef RENEG
3173 static count = 0;
3174 if (++count == 13) {
3175 SSL_renegotiate(con);
3176 }
3177 #endif
3178 k = BIO_write(io, &(buf[j]), i - j);
3179 if (k <= 0) {
3180 if (!BIO_should_retry(io)
3181 && !SSL_waiting_for_async(con))
3182 goto write_error;
3183 else {
3184 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3185 }
3186 } else {
3187 j += k;
3188 }
3189 }
3190 }
3191 write_error:
3192 BIO_free(file);
3193 break;
3194 }
3195 }
3196
3197 for (;;) {
3198 i = (int)BIO_flush(io);
3199 if (i <= 0) {
3200 if (!BIO_should_retry(io))
3201 break;
3202 } else
3203 break;
3204 }
3205 end:
3206 /* make sure we re-use sessions */
3207 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3208
3209 err:
3210 if (ret >= 0)
3211 BIO_printf(bio_s_out, "ACCEPT\n");
3212 OPENSSL_free(buf);
3213 BIO_free_all(io);
3214 return (ret);
3215 }
3216
3217 static int rev_body(int s, int stype, int prot, unsigned char *context)
3218 {
3219 char *buf = NULL;
3220 int i;
3221 int ret = 1;
3222 SSL *con;
3223 BIO *io, *ssl_bio, *sbio;
3224
3225 buf = app_malloc(bufsize, "server rev buffer");
3226 io = BIO_new(BIO_f_buffer());
3227 ssl_bio = BIO_new(BIO_f_ssl());
3228 if ((io == NULL) || (ssl_bio == NULL))
3229 goto err;
3230
3231 /* lets make the output buffer a reasonable size */
3232 if (!BIO_set_write_buffer_size(io, bufsize))
3233 goto err;
3234
3235 if ((con = SSL_new(ctx)) == NULL)
3236 goto err;
3237
3238 if (s_tlsextdebug) {
3239 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3240 SSL_set_tlsext_debug_arg(con, bio_s_out);
3241 }
3242 if (context != NULL
3243 && !SSL_set_session_id_context(con, context,
3244 strlen((char *)context))) {
3245 ERR_print_errors(bio_err);
3246 goto err;
3247 }
3248
3249 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3250 SSL_set_bio(con, sbio, sbio);
3251 SSL_set_accept_state(con);
3252
3253 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3254 BIO_push(io, ssl_bio);
3255 #ifdef CHARSET_EBCDIC
3256 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3257 #endif
3258
3259 if (s_debug) {
3260 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3261 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3262 }
3263 if (s_msg) {
3264 #ifndef OPENSSL_NO_SSL_TRACE
3265 if (s_msg == 2)
3266 SSL_set_msg_callback(con, SSL_trace);
3267 else
3268 #endif
3269 SSL_set_msg_callback(con, msg_cb);
3270 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3271 }
3272
3273 for (;;) {
3274 i = BIO_do_handshake(io);
3275 if (i > 0)
3276 break;
3277 if (!BIO_should_retry(io)) {
3278 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3279 ERR_print_errors(bio_err);
3280 goto end;
3281 }
3282 #ifndef OPENSSL_NO_SRP
3283 if (BIO_should_io_special(io)
3284 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3285 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3286 SRP_user_pwd_free(srp_callback_parm.user);
3287 srp_callback_parm.user =
3288 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3289 srp_callback_parm.login);
3290 if (srp_callback_parm.user)
3291 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3292 srp_callback_parm.user->info);
3293 else
3294 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3295 continue;
3296 }
3297 #endif
3298 }
3299 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3300 print_ssl_summary(con);
3301
3302 for (;;) {
3303 i = BIO_gets(io, buf, bufsize - 1);
3304 if (i < 0) { /* error */
3305 if (!BIO_should_retry(io)) {
3306 if (!s_quiet)
3307 ERR_print_errors(bio_err);
3308 goto err;
3309 } else {
3310 BIO_printf(bio_s_out, "read R BLOCK\n");
3311 #ifndef OPENSSL_NO_SRP
3312 if (BIO_should_io_special(io)
3313 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3314 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3315 SRP_user_pwd_free(srp_callback_parm.user);
3316 srp_callback_parm.user =
3317 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3318 srp_callback_parm.login);
3319 if (srp_callback_parm.user)
3320 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3321 srp_callback_parm.user->info);
3322 else
3323 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3324 continue;
3325 }
3326 #endif
3327 #if !defined(OPENSSL_SYS_MSDOS)
3328 sleep(1);
3329 #endif
3330 continue;
3331 }
3332 } else if (i == 0) { /* end of input */
3333 ret = 1;
3334 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3335 goto end;
3336 } else {
3337 char *p = buf + i - 1;
3338 while (i && (*p == '\n' || *p == '\r')) {
3339 p--;
3340 i--;
3341 }
3342 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3343 ret = 1;
3344 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3345 goto end;
3346 }
3347 BUF_reverse((unsigned char *)buf, NULL, i);
3348 buf[i] = '\n';
3349 BIO_write(io, buf, i + 1);
3350 for (;;) {
3351 i = BIO_flush(io);
3352 if (i > 0)
3353 break;
3354 if (!BIO_should_retry(io))
3355 goto end;
3356 }
3357 }
3358 }
3359 end:
3360 /* make sure we re-use sessions */
3361 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3362
3363 err:
3364
3365 OPENSSL_free(buf);
3366 BIO_free_all(io);
3367 return (ret);
3368 }
3369
3370 #define MAX_SESSION_ID_ATTEMPTS 10
3371 static int generate_session_id(const SSL *ssl, unsigned char *id,
3372 unsigned int *id_len)
3373 {
3374 unsigned int count = 0;
3375 do {
3376 if (RAND_bytes(id, *id_len) <= 0)
3377 return 0;
3378 /*
3379 * Prefix the session_id with the required prefix. NB: If our prefix
3380 * is too long, clip it - but there will be worse effects anyway, eg.
3381 * the server could only possibly create 1 session ID (ie. the
3382 * prefix!) so all future session negotiations will fail due to
3383 * conflicts.
3384 */
3385 memcpy(id, session_id_prefix,
3386 (strlen(session_id_prefix) < *id_len) ?
3387 strlen(session_id_prefix) : *id_len);
3388 }
3389 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3390 (++count < MAX_SESSION_ID_ATTEMPTS));
3391 if (count >= MAX_SESSION_ID_ATTEMPTS)
3392 return 0;
3393 return 1;
3394 }
3395
3396 /*
3397 * By default s_server uses an in-memory cache which caches SSL_SESSION
3398 * structures without any serialisation. This hides some bugs which only
3399 * become apparent in deployed servers. By implementing a basic external
3400 * session cache some issues can be debugged using s_server.
3401 */
3402
3403 typedef struct simple_ssl_session_st {
3404 unsigned char *id;
3405 unsigned int idlen;
3406 unsigned char *der;
3407 int derlen;
3408 struct simple_ssl_session_st *next;
3409 } simple_ssl_session;
3410
3411 static simple_ssl_session *first = NULL;
3412
3413 static int add_session(SSL *ssl, SSL_SESSION *session)
3414 {
3415 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3416 unsigned char *p;
3417
3418 SSL_SESSION_get_id(session, &sess->idlen);
3419 sess->derlen = i2d_SSL_SESSION(session, NULL);
3420 if (sess->derlen < 0) {
3421 BIO_printf(bio_err, "Error encoding session\n");
3422 OPENSSL_free(sess);
3423 return 0;
3424 }
3425
3426 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3427 sess->der = app_malloc(sess->derlen, "get session buffer");
3428 if (!sess->id) {
3429 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3430 OPENSSL_free(sess->id);
3431 OPENSSL_free(sess->der);
3432 OPENSSL_free(sess);
3433 return 0;
3434 }
3435 p = sess->der;
3436
3437 /* Assume it still works. */
3438 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3439 BIO_printf(bio_err, "Unexpected session encoding length\n");
3440 OPENSSL_free(sess->id);
3441 OPENSSL_free(sess->der);
3442 OPENSSL_free(sess);
3443 return 0;
3444 }
3445
3446 sess->next = first;
3447 first = sess;
3448 BIO_printf(bio_err, "New session added to external cache\n");
3449 return 0;
3450 }
3451
3452 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3453 int *do_copy)
3454 {
3455 simple_ssl_session *sess;
3456 *do_copy = 0;
3457 for (sess = first; sess; sess = sess->next) {
3458 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3459 const unsigned char *p = sess->der;
3460 BIO_printf(bio_err, "Lookup session: cache hit\n");
3461 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3462 }
3463 }
3464 BIO_printf(bio_err, "Lookup session: cache miss\n");
3465 return NULL;
3466 }
3467
3468 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3469 {
3470 simple_ssl_session *sess, *prev = NULL;
3471 const unsigned char *id;
3472 unsigned int idlen;
3473 id = SSL_SESSION_get_id(session, &idlen);
3474 for (sess = first; sess; sess = sess->next) {
3475 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3476 if (prev)
3477 prev->next = sess->next;
3478 else
3479 first = sess->next;
3480 OPENSSL_free(sess->id);
3481 OPENSSL_free(sess->der);
3482 OPENSSL_free(sess);
3483 return;
3484 }
3485 prev = sess;
3486 }
3487 }
3488
3489 static void init_session_cache_ctx(SSL_CTX *sctx)
3490 {
3491 SSL_CTX_set_session_cache_mode(sctx,
3492 SSL_SESS_CACHE_NO_INTERNAL |
3493 SSL_SESS_CACHE_SERVER);
3494 SSL_CTX_sess_set_new_cb(sctx, add_session);
3495 SSL_CTX_sess_set_get_cb(sctx, get_session);
3496 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3497 }
3498
3499 static void free_sessions(void)
3500 {
3501 simple_ssl_session *sess, *tsess;
3502 for (sess = first; sess;) {
3503 OPENSSL_free(sess->id);
3504 OPENSSL_free(sess->der);
3505 tsess = sess;
3506 sess = sess->next;
3507 OPENSSL_free(tsess);
3508 }
3509 first = NULL;
3510 }
3511
3512 #endif /* OPENSSL_NO_SOCK */
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