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Use ctx2 instead ctx.
[thirdparty/openssl.git] / apps / s_server.c
1 /*
2 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4 * Copyright 2005 Nokia. All rights reserved.
5 *
6 * Licensed under the OpenSSL license (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
10 */
11
12 #include <ctype.h>
13 #include <stdio.h>
14 #include <stdlib.h>
15 #include <string.h>
16 #if defined(_WIN32)
17 /* Included before async.h to avoid some warnings */
18 # include <windows.h>
19 #endif
20
21 #include <openssl/e_os2.h>
22 #include <openssl/async.h>
23 #include <openssl/ssl.h>
24
25 #ifndef OPENSSL_NO_SOCK
26
27 /*
28 * With IPv6, it looks like Digital has mixed up the proper order of
29 * recursive header file inclusion, resulting in the compiler complaining
30 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
31 * needed to have fileno() declared correctly... So let's define u_int
32 */
33 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
34 # define __U_INT
35 typedef unsigned int u_int;
36 #endif
37
38 #include <openssl/bn.h>
39 #include "apps.h"
40 #include "progs.h"
41 #include <openssl/err.h>
42 #include <openssl/pem.h>
43 #include <openssl/x509.h>
44 #include <openssl/ssl.h>
45 #include <openssl/rand.h>
46 #include <openssl/ocsp.h>
47 #ifndef OPENSSL_NO_DH
48 # include <openssl/dh.h>
49 #endif
50 #ifndef OPENSSL_NO_RSA
51 # include <openssl/rsa.h>
52 #endif
53 #ifndef OPENSSL_NO_SRP
54 # include <openssl/srp.h>
55 #endif
56 #include "s_apps.h"
57 #include "timeouts.h"
58 #ifdef CHARSET_EBCDIC
59 #include <openssl/ebcdic.h>
60 #endif
61 #include "internal/sockets.h"
62
63 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
64 static int sv_body(int s, int stype, int prot, unsigned char *context);
65 static int www_body(int s, int stype, int prot, unsigned char *context);
66 static int rev_body(int s, int stype, int prot, unsigned char *context);
67 static void close_accept_socket(void);
68 static int init_ssl_connection(SSL *s);
69 static void print_stats(BIO *bp, SSL_CTX *ctx);
70 static int generate_session_id(SSL *ssl, unsigned char *id,
71 unsigned int *id_len);
72 static void init_session_cache_ctx(SSL_CTX *sctx);
73 static void free_sessions(void);
74 #ifndef OPENSSL_NO_DH
75 static DH *load_dh_param(const char *dhfile);
76 #endif
77 static void print_connection_info(SSL *con);
78
79 static const int bufsize = 16 * 1024;
80 static int accept_socket = -1;
81
82 #define TEST_CERT "server.pem"
83 #define TEST_CERT2 "server2.pem"
84
85 static int s_nbio = 0;
86 static int s_nbio_test = 0;
87 static int s_crlf = 0;
88 static SSL_CTX *ctx = NULL;
89 static SSL_CTX *ctx2 = NULL;
90 static int www = 0;
91
92 static BIO *bio_s_out = NULL;
93 static BIO *bio_s_msg = NULL;
94 static int s_debug = 0;
95 static int s_tlsextdebug = 0;
96 static int s_msg = 0;
97 static int s_quiet = 0;
98 static int s_ign_eof = 0;
99 static int s_brief = 0;
100
101 static char *keymatexportlabel = NULL;
102 static int keymatexportlen = 20;
103
104 static int async = 0;
105
106 static const char *session_id_prefix = NULL;
107
108 #ifndef OPENSSL_NO_DTLS
109 static int enable_timeouts = 0;
110 static long socket_mtu;
111 #endif
112
113 /*
114 * We define this but make it always be 0 in no-dtls builds to simplify the
115 * code.
116 */
117 static int dtlslisten = 0;
118 static int stateless = 0;
119
120 static int early_data = 0;
121 static SSL_SESSION *psksess = NULL;
122
123 static char *psk_identity = "Client_identity";
124 char *psk_key = NULL; /* by default PSK is not used */
125
126 #ifndef OPENSSL_NO_PSK
127 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
128 unsigned char *psk,
129 unsigned int max_psk_len)
130 {
131 long key_len = 0;
132 unsigned char *key;
133
134 if (s_debug)
135 BIO_printf(bio_s_out, "psk_server_cb\n");
136 if (identity == NULL) {
137 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
138 goto out_err;
139 }
140 if (s_debug)
141 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
142 (int)strlen(identity), identity);
143
144 /* here we could lookup the given identity e.g. from a database */
145 if (strcmp(identity, psk_identity) != 0) {
146 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
147 " (got '%s' expected '%s')\n", identity, psk_identity);
148 } else {
149 if (s_debug)
150 BIO_printf(bio_s_out, "PSK client identity found\n");
151 }
152
153 /* convert the PSK key to binary */
154 key = OPENSSL_hexstr2buf(psk_key, &key_len);
155 if (key == NULL) {
156 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
157 psk_key);
158 return 0;
159 }
160 if (key_len > (int)max_psk_len) {
161 BIO_printf(bio_err,
162 "psk buffer of callback is too small (%d) for key (%ld)\n",
163 max_psk_len, key_len);
164 OPENSSL_free(key);
165 return 0;
166 }
167
168 memcpy(psk, key, key_len);
169 OPENSSL_free(key);
170
171 if (s_debug)
172 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
173 return key_len;
174 out_err:
175 if (s_debug)
176 BIO_printf(bio_err, "Error in PSK server callback\n");
177 (void)BIO_flush(bio_err);
178 (void)BIO_flush(bio_s_out);
179 return 0;
180 }
181 #endif
182
183 static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
184 size_t identity_len, SSL_SESSION **sess)
185 {
186 SSL_SESSION *tmpsess = NULL;
187 unsigned char *key;
188 long key_len;
189 const SSL_CIPHER *cipher = NULL;
190
191 if (strlen(psk_identity) != identity_len
192 || memcmp(psk_identity, identity, identity_len) != 0) {
193 *sess = NULL;
194 return 1;
195 }
196
197 if (psksess != NULL) {
198 SSL_SESSION_up_ref(psksess);
199 *sess = psksess;
200 return 1;
201 }
202
203 key = OPENSSL_hexstr2buf(psk_key, &key_len);
204 if (key == NULL) {
205 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
206 psk_key);
207 return 0;
208 }
209
210 /* We default to SHA256 */
211 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
212 if (cipher == NULL) {
213 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
214 OPENSSL_free(key);
215 return 0;
216 }
217
218 tmpsess = SSL_SESSION_new();
219 if (tmpsess == NULL
220 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
221 || !SSL_SESSION_set_cipher(tmpsess, cipher)
222 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
223 OPENSSL_free(key);
224 return 0;
225 }
226 OPENSSL_free(key);
227 *sess = tmpsess;
228
229 return 1;
230 }
231
232 #ifndef OPENSSL_NO_SRP
233 /* This is a context that we pass to callbacks */
234 typedef struct srpsrvparm_st {
235 char *login;
236 SRP_VBASE *vb;
237 SRP_user_pwd *user;
238 } srpsrvparm;
239 static srpsrvparm srp_callback_parm;
240
241 /*
242 * This callback pretends to require some asynchronous logic in order to
243 * obtain a verifier. When the callback is called for a new connection we
244 * return with a negative value. This will provoke the accept etc to return
245 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
246 * (which would normally occur after a worker has finished) and we set the
247 * user parameters.
248 */
249 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
250 {
251 srpsrvparm *p = (srpsrvparm *) arg;
252 int ret = SSL3_AL_FATAL;
253
254 if (p->login == NULL && p->user == NULL) {
255 p->login = SSL_get_srp_username(s);
256 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
257 return -1;
258 }
259
260 if (p->user == NULL) {
261 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
262 goto err;
263 }
264
265 if (SSL_set_srp_server_param
266 (s, p->user->N, p->user->g, p->user->s, p->user->v,
267 p->user->info) < 0) {
268 *ad = SSL_AD_INTERNAL_ERROR;
269 goto err;
270 }
271 BIO_printf(bio_err,
272 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
273 p->login, p->user->info);
274 ret = SSL_ERROR_NONE;
275
276 err:
277 SRP_user_pwd_free(p->user);
278 p->user = NULL;
279 p->login = NULL;
280 return ret;
281 }
282
283 #endif
284
285 static int local_argc = 0;
286 static char **local_argv;
287
288 #ifdef CHARSET_EBCDIC
289 static int ebcdic_new(BIO *bi);
290 static int ebcdic_free(BIO *a);
291 static int ebcdic_read(BIO *b, char *out, int outl);
292 static int ebcdic_write(BIO *b, const char *in, int inl);
293 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
294 static int ebcdic_gets(BIO *bp, char *buf, int size);
295 static int ebcdic_puts(BIO *bp, const char *str);
296
297 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
298 static BIO_METHOD *methods_ebcdic = NULL;
299
300 /* This struct is "unwarranted chumminess with the compiler." */
301 typedef struct {
302 size_t alloced;
303 char buff[1];
304 } EBCDIC_OUTBUFF;
305
306 static const BIO_METHOD *BIO_f_ebcdic_filter()
307 {
308 if (methods_ebcdic == NULL) {
309 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
310 "EBCDIC/ASCII filter");
311 if (methods_ebcdic == NULL
312 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
313 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
314 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
315 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
316 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
317 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
318 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
319 return NULL;
320 }
321 return methods_ebcdic;
322 }
323
324 static int ebcdic_new(BIO *bi)
325 {
326 EBCDIC_OUTBUFF *wbuf;
327
328 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
329 wbuf->alloced = 1024;
330 wbuf->buff[0] = '\0';
331
332 BIO_set_data(bi, wbuf);
333 BIO_set_init(bi, 1);
334 return 1;
335 }
336
337 static int ebcdic_free(BIO *a)
338 {
339 EBCDIC_OUTBUFF *wbuf;
340
341 if (a == NULL)
342 return 0;
343 wbuf = BIO_get_data(a);
344 OPENSSL_free(wbuf);
345 BIO_set_data(a, NULL);
346 BIO_set_init(a, 0);
347
348 return 1;
349 }
350
351 static int ebcdic_read(BIO *b, char *out, int outl)
352 {
353 int ret = 0;
354 BIO *next = BIO_next(b);
355
356 if (out == NULL || outl == 0)
357 return 0;
358 if (next == NULL)
359 return 0;
360
361 ret = BIO_read(next, out, outl);
362 if (ret > 0)
363 ascii2ebcdic(out, out, ret);
364 return ret;
365 }
366
367 static int ebcdic_write(BIO *b, const char *in, int inl)
368 {
369 EBCDIC_OUTBUFF *wbuf;
370 BIO *next = BIO_next(b);
371 int ret = 0;
372 int num;
373
374 if ((in == NULL) || (inl <= 0))
375 return 0;
376 if (next == NULL)
377 return 0;
378
379 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
380
381 if (inl > (num = wbuf->alloced)) {
382 num = num + num; /* double the size */
383 if (num < inl)
384 num = inl;
385 OPENSSL_free(wbuf);
386 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
387
388 wbuf->alloced = num;
389 wbuf->buff[0] = '\0';
390
391 BIO_set_data(b, wbuf);
392 }
393
394 ebcdic2ascii(wbuf->buff, in, inl);
395
396 ret = BIO_write(next, wbuf->buff, inl);
397
398 return ret;
399 }
400
401 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
402 {
403 long ret;
404 BIO *next = BIO_next(b);
405
406 if (next == NULL)
407 return 0;
408 switch (cmd) {
409 case BIO_CTRL_DUP:
410 ret = 0L;
411 break;
412 default:
413 ret = BIO_ctrl(next, cmd, num, ptr);
414 break;
415 }
416 return ret;
417 }
418
419 static int ebcdic_gets(BIO *bp, char *buf, int size)
420 {
421 int i, ret = 0;
422 BIO *next = BIO_next(bp);
423
424 if (next == NULL)
425 return 0;
426 /* return(BIO_gets(bp->next_bio,buf,size));*/
427 for (i = 0; i < size - 1; ++i) {
428 ret = ebcdic_read(bp, &buf[i], 1);
429 if (ret <= 0)
430 break;
431 else if (buf[i] == '\n') {
432 ++i;
433 break;
434 }
435 }
436 if (i < size)
437 buf[i] = '\0';
438 return (ret < 0 && i == 0) ? ret : i;
439 }
440
441 static int ebcdic_puts(BIO *bp, const char *str)
442 {
443 if (BIO_next(bp) == NULL)
444 return 0;
445 return ebcdic_write(bp, str, strlen(str));
446 }
447 #endif
448
449 /* This is a context that we pass to callbacks */
450 typedef struct tlsextctx_st {
451 char *servername;
452 BIO *biodebug;
453 int extension_error;
454 } tlsextctx;
455
456 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
457 {
458 tlsextctx *p = (tlsextctx *) arg;
459 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
460
461 if (servername != NULL && p->biodebug != NULL) {
462 const char *cp = servername;
463 unsigned char uc;
464
465 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
466 while ((uc = *cp++) != 0)
467 BIO_printf(p->biodebug,
468 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
469 BIO_printf(p->biodebug, "\"\n");
470 }
471
472 if (p->servername == NULL)
473 return SSL_TLSEXT_ERR_NOACK;
474
475 if (servername != NULL) {
476 if (strcasecmp(servername, p->servername))
477 return p->extension_error;
478 if (ctx2 != NULL) {
479 BIO_printf(p->biodebug, "Switching server context.\n");
480 SSL_set_SSL_CTX(s, ctx2);
481 }
482 }
483 return SSL_TLSEXT_ERR_OK;
484 }
485
486 /* Structure passed to cert status callback */
487 typedef struct tlsextstatusctx_st {
488 int timeout;
489 /* File to load OCSP Response from (or NULL if no file) */
490 char *respin;
491 /* Default responder to use */
492 char *host, *path, *port;
493 int use_ssl;
494 int verbose;
495 } tlsextstatusctx;
496
497 static tlsextstatusctx tlscstatp = { -1 };
498
499 #ifndef OPENSSL_NO_OCSP
500
501 /*
502 * Helper function to get an OCSP_RESPONSE from a responder. This is a
503 * simplified version. It examines certificates each time and makes one OCSP
504 * responder query for each request. A full version would store details such as
505 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
506 * them until they were considered "expired".
507 */
508 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
509 OCSP_RESPONSE **resp)
510 {
511 char *host = NULL, *port = NULL, *path = NULL;
512 int use_ssl;
513 STACK_OF(OPENSSL_STRING) *aia = NULL;
514 X509 *x = NULL;
515 X509_STORE_CTX *inctx = NULL;
516 X509_OBJECT *obj;
517 OCSP_REQUEST *req = NULL;
518 OCSP_CERTID *id = NULL;
519 STACK_OF(X509_EXTENSION) *exts;
520 int ret = SSL_TLSEXT_ERR_NOACK;
521 int i;
522
523 /* Build up OCSP query from server certificate */
524 x = SSL_get_certificate(s);
525 aia = X509_get1_ocsp(x);
526 if (aia != NULL) {
527 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
528 &host, &port, &path, &use_ssl)) {
529 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
530 goto err;
531 }
532 if (srctx->verbose)
533 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
534 sk_OPENSSL_STRING_value(aia, 0));
535 } else {
536 if (srctx->host == NULL) {
537 BIO_puts(bio_err,
538 "cert_status: no AIA and no default responder URL\n");
539 goto done;
540 }
541 host = srctx->host;
542 path = srctx->path;
543 port = srctx->port;
544 use_ssl = srctx->use_ssl;
545 }
546
547 inctx = X509_STORE_CTX_new();
548 if (inctx == NULL)
549 goto err;
550 if (!X509_STORE_CTX_init(inctx,
551 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
552 NULL, NULL))
553 goto err;
554 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
555 X509_get_issuer_name(x));
556 if (obj == NULL) {
557 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
558 goto done;
559 }
560 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
561 X509_OBJECT_free(obj);
562 if (id == NULL)
563 goto err;
564 req = OCSP_REQUEST_new();
565 if (req == NULL)
566 goto err;
567 if (!OCSP_request_add0_id(req, id))
568 goto err;
569 id = NULL;
570 /* Add any extensions to the request */
571 SSL_get_tlsext_status_exts(s, &exts);
572 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
573 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
574 if (!OCSP_REQUEST_add_ext(req, ext, -1))
575 goto err;
576 }
577 *resp = process_responder(req, host, path, port, use_ssl, NULL,
578 srctx->timeout);
579 if (*resp == NULL) {
580 BIO_puts(bio_err, "cert_status: error querying responder\n");
581 goto done;
582 }
583
584 ret = SSL_TLSEXT_ERR_OK;
585 goto done;
586
587 err:
588 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
589 done:
590 /*
591 * If we parsed aia we need to free; otherwise they were copied and we
592 * don't
593 */
594 if (aia != NULL) {
595 OPENSSL_free(host);
596 OPENSSL_free(path);
597 OPENSSL_free(port);
598 X509_email_free(aia);
599 }
600 OCSP_CERTID_free(id);
601 OCSP_REQUEST_free(req);
602 X509_STORE_CTX_free(inctx);
603 return ret;
604 }
605
606 /*
607 * Certificate Status callback. This is called when a client includes a
608 * certificate status request extension. The response is either obtained from a
609 * file, or from an OCSP responder.
610 */
611 static int cert_status_cb(SSL *s, void *arg)
612 {
613 tlsextstatusctx *srctx = arg;
614 OCSP_RESPONSE *resp = NULL;
615 unsigned char *rspder = NULL;
616 int rspderlen;
617 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
618
619 if (srctx->verbose)
620 BIO_puts(bio_err, "cert_status: callback called\n");
621
622 if (srctx->respin != NULL) {
623 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
624 if (derbio == NULL) {
625 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
626 goto err;
627 }
628 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
629 BIO_free(derbio);
630 if (resp == NULL) {
631 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
632 goto err;
633 }
634 } else {
635 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
636 if (ret != SSL_TLSEXT_ERR_OK)
637 goto err;
638 }
639
640 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
641 if (rspderlen <= 0)
642 goto err;
643
644 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
645 if (srctx->verbose) {
646 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
647 OCSP_RESPONSE_print(bio_err, resp, 2);
648 }
649
650 ret = SSL_TLSEXT_ERR_OK;
651
652 err:
653 if (ret != SSL_TLSEXT_ERR_OK)
654 ERR_print_errors(bio_err);
655
656 OCSP_RESPONSE_free(resp);
657
658 return ret;
659 }
660 #endif
661
662 #ifndef OPENSSL_NO_NEXTPROTONEG
663 /* This is the context that we pass to next_proto_cb */
664 typedef struct tlsextnextprotoctx_st {
665 unsigned char *data;
666 size_t len;
667 } tlsextnextprotoctx;
668
669 static int next_proto_cb(SSL *s, const unsigned char **data,
670 unsigned int *len, void *arg)
671 {
672 tlsextnextprotoctx *next_proto = arg;
673
674 *data = next_proto->data;
675 *len = next_proto->len;
676
677 return SSL_TLSEXT_ERR_OK;
678 }
679 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
680
681 /* This the context that we pass to alpn_cb */
682 typedef struct tlsextalpnctx_st {
683 unsigned char *data;
684 size_t len;
685 } tlsextalpnctx;
686
687 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
688 const unsigned char *in, unsigned int inlen, void *arg)
689 {
690 tlsextalpnctx *alpn_ctx = arg;
691
692 if (!s_quiet) {
693 /* We can assume that |in| is syntactically valid. */
694 unsigned int i;
695 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
696 for (i = 0; i < inlen;) {
697 if (i)
698 BIO_write(bio_s_out, ", ", 2);
699 BIO_write(bio_s_out, &in[i + 1], in[i]);
700 i += in[i] + 1;
701 }
702 BIO_write(bio_s_out, "\n", 1);
703 }
704
705 if (SSL_select_next_proto
706 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
707 inlen) != OPENSSL_NPN_NEGOTIATED) {
708 return SSL_TLSEXT_ERR_NOACK;
709 }
710
711 if (!s_quiet) {
712 BIO_printf(bio_s_out, "ALPN protocols selected: ");
713 BIO_write(bio_s_out, *out, *outlen);
714 BIO_write(bio_s_out, "\n", 1);
715 }
716
717 return SSL_TLSEXT_ERR_OK;
718 }
719
720 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
721 {
722 /* disable resumption for sessions with forward secure ciphers */
723 return is_forward_secure;
724 }
725
726 typedef enum OPTION_choice {
727 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
728 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
729 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
730 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
731 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
732 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
733 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
734 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
735 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
736 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
737 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
738 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
739 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
740 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
741 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
742 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
743 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
744 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
745 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
746 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
747 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
748 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
749 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
750 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
751 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
752 OPT_R_ENUM,
753 OPT_S_ENUM,
754 OPT_V_ENUM,
755 OPT_X_ENUM
756 } OPTION_CHOICE;
757
758 const OPTIONS s_server_options[] = {
759 {"help", OPT_HELP, '-', "Display this summary"},
760 {"port", OPT_PORT, 'p',
761 "TCP/IP port to listen on for connections (default is " PORT ")"},
762 {"accept", OPT_ACCEPT, 's',
763 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
764 #ifdef AF_UNIX
765 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
766 #endif
767 {"4", OPT_4, '-', "Use IPv4 only"},
768 {"6", OPT_6, '-', "Use IPv6 only"},
769 #ifdef AF_UNIX
770 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
771 #endif
772 {"context", OPT_CONTEXT, 's', "Set session ID context"},
773 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
774 {"Verify", OPT_UPPER_V_VERIFY, 'n',
775 "Turn on peer certificate verification, must have a cert"},
776 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
777 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
778 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
779 {"serverinfo", OPT_SERVERINFO, 's',
780 "PEM serverinfo file for certificate"},
781 {"certform", OPT_CERTFORM, 'F',
782 "Certificate format (PEM or DER) PEM default"},
783 {"key", OPT_KEY, 's',
784 "Private Key if not in -cert; default is " TEST_CERT},
785 {"keyform", OPT_KEYFORM, 'f',
786 "Key format (PEM, DER or ENGINE) PEM default"},
787 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
788 {"dcert", OPT_DCERT, '<',
789 "Second certificate file to use (usually for DSA)"},
790 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
791 {"dcertform", OPT_DCERTFORM, 'F',
792 "Second certificate format (PEM or DER) PEM default"},
793 {"dkey", OPT_DKEY, '<',
794 "Second private key file to use (usually for DSA)"},
795 {"dkeyform", OPT_DKEYFORM, 'F',
796 "Second key format (PEM, DER or ENGINE) PEM default"},
797 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
798 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
799 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
800 {"debug", OPT_DEBUG, '-', "Print more output"},
801 {"msg", OPT_MSG, '-', "Show protocol messages"},
802 {"msgfile", OPT_MSGFILE, '>',
803 "File to send output of -msg or -trace, instead of stdout"},
804 {"state", OPT_STATE, '-', "Print the SSL states"},
805 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
806 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
807 {"no-CAfile", OPT_NOCAFILE, '-',
808 "Do not load the default certificates file"},
809 {"no-CApath", OPT_NOCAPATH, '-',
810 "Do not load certificates from the default certificates directory"},
811 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
812 {"quiet", OPT_QUIET, '-', "No server output"},
813 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
814 "Disable caching and tickets if ephemeral (EC)DH is used"},
815 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
816 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
817 {"servername", OPT_SERVERNAME, 's',
818 "Servername for HostName TLS extension"},
819 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
820 "mismatch send fatal alert (default warning alert)"},
821 {"cert2", OPT_CERT2, '<',
822 "Certificate file to use for servername; default is" TEST_CERT2},
823 {"key2", OPT_KEY2, '<',
824 "-Private Key file to use for servername if not in -cert2"},
825 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
826 "Hex dump of all TLS extensions received"},
827 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
828 {"id_prefix", OPT_ID_PREFIX, 's',
829 "Generate SSL/TLS session IDs prefixed by arg"},
830 OPT_R_OPTIONS,
831 {"keymatexport", OPT_KEYMATEXPORT, 's',
832 "Export keying material using label"},
833 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
834 "Export len bytes of keying material (default 20)"},
835 {"CRL", OPT_CRL, '<', "CRL file to use"},
836 {"crl_download", OPT_CRL_DOWNLOAD, '-',
837 "Download CRL from distribution points"},
838 {"cert_chain", OPT_CERT_CHAIN, '<',
839 "certificate chain file in PEM format"},
840 {"dcert_chain", OPT_DCERT_CHAIN, '<',
841 "second certificate chain file in PEM format"},
842 {"chainCApath", OPT_CHAINCAPATH, '/',
843 "use dir as certificate store path to build CA certificate chain"},
844 {"verifyCApath", OPT_VERIFYCAPATH, '/',
845 "use dir as certificate store path to verify CA certificate"},
846 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
847 {"ext_cache", OPT_EXT_CACHE, '-',
848 "Disable internal cache, setup and use external cache"},
849 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
850 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
851 "Close connection on verification error"},
852 {"verify_quiet", OPT_VERIFY_QUIET, '-',
853 "No verify output except verify errors"},
854 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
855 {"chainCAfile", OPT_CHAINCAFILE, '<',
856 "CA file for certificate chain (PEM format)"},
857 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
858 "CA file for certificate verification (PEM format)"},
859 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
860 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
861 #ifndef OPENSSL_NO_OCSP
862 {"status", OPT_STATUS, '-', "Request certificate status from server"},
863 {"status_verbose", OPT_STATUS_VERBOSE, '-',
864 "Print more output in certificate status callback"},
865 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
866 "Status request responder timeout"},
867 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
868 {"status_file", OPT_STATUS_FILE, '<',
869 "File containing DER encoded OCSP Response"},
870 #endif
871 #ifndef OPENSSL_NO_SSL_TRACE
872 {"trace", OPT_TRACE, '-', "trace protocol messages"},
873 #endif
874 {"security_debug", OPT_SECURITY_DEBUG, '-',
875 "Print output from SSL/TLS security framework"},
876 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
877 "Print more output from SSL/TLS security framework"},
878 {"brief", OPT_BRIEF, '-',
879 "Restrict output to brief summary of connection parameters"},
880 {"rev", OPT_REV, '-',
881 "act as a simple test server which just sends back with the received text reversed"},
882 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
883 {"ssl_config", OPT_SSL_CONFIG, 's',
884 "Configure SSL_CTX using the configuration 'val'"},
885 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
886 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
887 "Size used to split data for encrypt pipelines"},
888 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
889 "Maximum number of encrypt/decrypt pipelines to be used"},
890 {"read_buf", OPT_READ_BUF, 'p',
891 "Default read buffer size to be used for connections"},
892 OPT_S_OPTIONS,
893 OPT_V_OPTIONS,
894 OPT_X_OPTIONS,
895 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
896 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
897 #ifndef OPENSSL_NO_PSK
898 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
899 #endif
900 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
901 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
902 #ifndef OPENSSL_NO_SRP
903 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
904 {"srpuserseed", OPT_SRPUSERSEED, 's',
905 "A seed string for a default user salt"},
906 #endif
907 #ifndef OPENSSL_NO_SSL3
908 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
909 #endif
910 #ifndef OPENSSL_NO_TLS1
911 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
912 #endif
913 #ifndef OPENSSL_NO_TLS1_1
914 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
915 #endif
916 #ifndef OPENSSL_NO_TLS1_2
917 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
918 #endif
919 #ifndef OPENSSL_NO_TLS1_3
920 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
921 #endif
922 #ifndef OPENSSL_NO_DTLS
923 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
924 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
925 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
926 {"listen", OPT_LISTEN, '-',
927 "Listen for a DTLS ClientHello with a cookie and then connect"},
928 #endif
929 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
930 #ifndef OPENSSL_NO_DTLS1
931 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
932 #endif
933 #ifndef OPENSSL_NO_DTLS1_2
934 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
935 #endif
936 #ifndef OPENSSL_NO_SCTP
937 {"sctp", OPT_SCTP, '-', "Use SCTP"},
938 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
939 #endif
940 #ifndef OPENSSL_NO_DH
941 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
942 #endif
943 #ifndef OPENSSL_NO_NEXTPROTONEG
944 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
945 "Set the advertised protocols for the NPN extension (comma-separated list)"},
946 #endif
947 #ifndef OPENSSL_NO_SRTP
948 {"use_srtp", OPT_SRTP_PROFILES, 's',
949 "Offer SRTP key management with a colon-separated profile list"},
950 #endif
951 {"alpn", OPT_ALPN, 's',
952 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
953 #ifndef OPENSSL_NO_ENGINE
954 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
955 #endif
956 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
957 {"max_early_data", OPT_MAX_EARLY, 'n',
958 "The maximum number of bytes of early data as advertised in tickets"},
959 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
960 "The maximum number of bytes of early data (hard limit)"},
961 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
962 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
963 "The number of TLSv1.3 session tickets that a server will automatically issue" },
964 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
965 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
966 {NULL, OPT_EOF, 0, NULL}
967 };
968
969 #define IS_PROT_FLAG(o) \
970 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
971 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
972
973 int s_server_main(int argc, char *argv[])
974 {
975 ENGINE *engine = NULL;
976 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
977 SSL_CONF_CTX *cctx = NULL;
978 const SSL_METHOD *meth = TLS_server_method();
979 SSL_EXCERT *exc = NULL;
980 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
981 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
982 STACK_OF(X509_CRL) *crls = NULL;
983 X509 *s_cert = NULL, *s_dcert = NULL;
984 X509_VERIFY_PARAM *vpm = NULL;
985 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
986 char *dpassarg = NULL, *dpass = NULL;
987 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
988 char *crl_file = NULL, *prog;
989 #ifdef AF_UNIX
990 int unlink_unix_path = 0;
991 #endif
992 do_server_cb server_cb;
993 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
994 #ifndef OPENSSL_NO_DH
995 char *dhfile = NULL;
996 int no_dhe = 0;
997 #endif
998 int nocert = 0, ret = 1;
999 int noCApath = 0, noCAfile = 0;
1000 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1001 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1002 int rev = 0, naccept = -1, sdebug = 0;
1003 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1004 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1005 char *host = NULL;
1006 char *port = BUF_strdup(PORT);
1007 unsigned char *context = NULL;
1008 OPTION_CHOICE o;
1009 EVP_PKEY *s_key2 = NULL;
1010 X509 *s_cert2 = NULL;
1011 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1012 const char *ssl_config = NULL;
1013 int read_buf_len = 0;
1014 #ifndef OPENSSL_NO_NEXTPROTONEG
1015 const char *next_proto_neg_in = NULL;
1016 tlsextnextprotoctx next_proto = { NULL, 0 };
1017 #endif
1018 const char *alpn_in = NULL;
1019 tlsextalpnctx alpn_ctx = { NULL, 0 };
1020 #ifndef OPENSSL_NO_PSK
1021 /* by default do not send a PSK identity hint */
1022 char *psk_identity_hint = NULL;
1023 #endif
1024 char *p;
1025 #ifndef OPENSSL_NO_SRP
1026 char *srpuserseed = NULL;
1027 char *srp_verifier_file = NULL;
1028 #endif
1029 #ifndef OPENSSL_NO_SRTP
1030 char *srtp_profiles = NULL;
1031 #endif
1032 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1033 int s_server_verify = SSL_VERIFY_NONE;
1034 int s_server_session_id_context = 1; /* anything will do */
1035 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1036 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1037 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1038 #ifndef OPENSSL_NO_OCSP
1039 int s_tlsextstatus = 0;
1040 #endif
1041 int no_resume_ephemeral = 0;
1042 unsigned int max_send_fragment = 0;
1043 unsigned int split_send_fragment = 0, max_pipelines = 0;
1044 const char *s_serverinfo_file = NULL;
1045 const char *keylog_file = NULL;
1046 int max_early_data = -1, recv_max_early_data = -1;
1047 char *psksessf = NULL;
1048 #ifndef OPENSSL_NO_SCTP
1049 int sctp_label_bug = 0;
1050 #endif
1051
1052 /* Init of few remaining global variables */
1053 local_argc = argc;
1054 local_argv = argv;
1055
1056 ctx = ctx2 = NULL;
1057 s_nbio = s_nbio_test = 0;
1058 www = 0;
1059 bio_s_out = NULL;
1060 s_debug = 0;
1061 s_msg = 0;
1062 s_quiet = 0;
1063 s_brief = 0;
1064 async = 0;
1065
1066 cctx = SSL_CONF_CTX_new();
1067 vpm = X509_VERIFY_PARAM_new();
1068 if (cctx == NULL || vpm == NULL)
1069 goto end;
1070 SSL_CONF_CTX_set_flags(cctx,
1071 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1072
1073 prog = opt_init(argc, argv, s_server_options);
1074 while ((o = opt_next()) != OPT_EOF) {
1075 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1076 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1077 goto end;
1078 }
1079 if (IS_NO_PROT_FLAG(o))
1080 no_prot_opt++;
1081 if (prot_opt == 1 && no_prot_opt) {
1082 BIO_printf(bio_err,
1083 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1084 goto end;
1085 }
1086 switch (o) {
1087 case OPT_EOF:
1088 case OPT_ERR:
1089 opthelp:
1090 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1091 goto end;
1092 case OPT_HELP:
1093 opt_help(s_server_options);
1094 ret = 0;
1095 goto end;
1096
1097 case OPT_4:
1098 #ifdef AF_UNIX
1099 if (socket_family == AF_UNIX) {
1100 OPENSSL_free(host); host = NULL;
1101 OPENSSL_free(port); port = NULL;
1102 }
1103 #endif
1104 socket_family = AF_INET;
1105 break;
1106 case OPT_6:
1107 if (1) {
1108 #ifdef AF_INET6
1109 #ifdef AF_UNIX
1110 if (socket_family == AF_UNIX) {
1111 OPENSSL_free(host); host = NULL;
1112 OPENSSL_free(port); port = NULL;
1113 }
1114 #endif
1115 socket_family = AF_INET6;
1116 } else {
1117 #endif
1118 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1119 goto end;
1120 }
1121 break;
1122 case OPT_PORT:
1123 #ifdef AF_UNIX
1124 if (socket_family == AF_UNIX) {
1125 socket_family = AF_UNSPEC;
1126 }
1127 #endif
1128 OPENSSL_free(port); port = NULL;
1129 OPENSSL_free(host); host = NULL;
1130 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1131 BIO_printf(bio_err,
1132 "%s: -port argument malformed or ambiguous\n",
1133 port);
1134 goto end;
1135 }
1136 break;
1137 case OPT_ACCEPT:
1138 #ifdef AF_UNIX
1139 if (socket_family == AF_UNIX) {
1140 socket_family = AF_UNSPEC;
1141 }
1142 #endif
1143 OPENSSL_free(port); port = NULL;
1144 OPENSSL_free(host); host = NULL;
1145 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1146 BIO_printf(bio_err,
1147 "%s: -accept argument malformed or ambiguous\n",
1148 port);
1149 goto end;
1150 }
1151 break;
1152 #ifdef AF_UNIX
1153 case OPT_UNIX:
1154 socket_family = AF_UNIX;
1155 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1156 OPENSSL_free(port); port = NULL;
1157 break;
1158 case OPT_UNLINK:
1159 unlink_unix_path = 1;
1160 break;
1161 #endif
1162 case OPT_NACCEPT:
1163 naccept = atol(opt_arg());
1164 break;
1165 case OPT_VERIFY:
1166 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1167 verify_args.depth = atoi(opt_arg());
1168 if (!s_quiet)
1169 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1170 break;
1171 case OPT_UPPER_V_VERIFY:
1172 s_server_verify =
1173 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1174 SSL_VERIFY_CLIENT_ONCE;
1175 verify_args.depth = atoi(opt_arg());
1176 if (!s_quiet)
1177 BIO_printf(bio_err,
1178 "verify depth is %d, must return a certificate\n",
1179 verify_args.depth);
1180 break;
1181 case OPT_CONTEXT:
1182 context = (unsigned char *)opt_arg();
1183 break;
1184 case OPT_CERT:
1185 s_cert_file = opt_arg();
1186 break;
1187 case OPT_NAMEOPT:
1188 if (!set_nameopt(opt_arg()))
1189 goto end;
1190 break;
1191 case OPT_CRL:
1192 crl_file = opt_arg();
1193 break;
1194 case OPT_CRL_DOWNLOAD:
1195 crl_download = 1;
1196 break;
1197 case OPT_SERVERINFO:
1198 s_serverinfo_file = opt_arg();
1199 break;
1200 case OPT_CERTFORM:
1201 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1202 goto opthelp;
1203 break;
1204 case OPT_KEY:
1205 s_key_file = opt_arg();
1206 break;
1207 case OPT_KEYFORM:
1208 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1209 goto opthelp;
1210 break;
1211 case OPT_PASS:
1212 passarg = opt_arg();
1213 break;
1214 case OPT_CERT_CHAIN:
1215 s_chain_file = opt_arg();
1216 break;
1217 case OPT_DHPARAM:
1218 #ifndef OPENSSL_NO_DH
1219 dhfile = opt_arg();
1220 #endif
1221 break;
1222 case OPT_DCERTFORM:
1223 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1224 goto opthelp;
1225 break;
1226 case OPT_DCERT:
1227 s_dcert_file = opt_arg();
1228 break;
1229 case OPT_DKEYFORM:
1230 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1231 goto opthelp;
1232 break;
1233 case OPT_DPASS:
1234 dpassarg = opt_arg();
1235 break;
1236 case OPT_DKEY:
1237 s_dkey_file = opt_arg();
1238 break;
1239 case OPT_DCERT_CHAIN:
1240 s_dchain_file = opt_arg();
1241 break;
1242 case OPT_NOCERT:
1243 nocert = 1;
1244 break;
1245 case OPT_CAPATH:
1246 CApath = opt_arg();
1247 break;
1248 case OPT_NOCAPATH:
1249 noCApath = 1;
1250 break;
1251 case OPT_CHAINCAPATH:
1252 chCApath = opt_arg();
1253 break;
1254 case OPT_VERIFYCAPATH:
1255 vfyCApath = opt_arg();
1256 break;
1257 case OPT_NO_CACHE:
1258 no_cache = 1;
1259 break;
1260 case OPT_EXT_CACHE:
1261 ext_cache = 1;
1262 break;
1263 case OPT_CRLFORM:
1264 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1265 goto opthelp;
1266 break;
1267 case OPT_S_CASES:
1268 case OPT_S_NUM_TICKETS:
1269 case OPT_ANTI_REPLAY:
1270 case OPT_NO_ANTI_REPLAY:
1271 if (ssl_args == NULL)
1272 ssl_args = sk_OPENSSL_STRING_new_null();
1273 if (ssl_args == NULL
1274 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1275 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1276 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1277 goto end;
1278 }
1279 break;
1280 case OPT_V_CASES:
1281 if (!opt_verify(o, vpm))
1282 goto end;
1283 vpmtouched++;
1284 break;
1285 case OPT_X_CASES:
1286 if (!args_excert(o, &exc))
1287 goto end;
1288 break;
1289 case OPT_VERIFY_RET_ERROR:
1290 verify_args.return_error = 1;
1291 break;
1292 case OPT_VERIFY_QUIET:
1293 verify_args.quiet = 1;
1294 break;
1295 case OPT_BUILD_CHAIN:
1296 build_chain = 1;
1297 break;
1298 case OPT_CAFILE:
1299 CAfile = opt_arg();
1300 break;
1301 case OPT_NOCAFILE:
1302 noCAfile = 1;
1303 break;
1304 case OPT_CHAINCAFILE:
1305 chCAfile = opt_arg();
1306 break;
1307 case OPT_VERIFYCAFILE:
1308 vfyCAfile = opt_arg();
1309 break;
1310 case OPT_NBIO:
1311 s_nbio = 1;
1312 break;
1313 case OPT_NBIO_TEST:
1314 s_nbio = s_nbio_test = 1;
1315 break;
1316 case OPT_IGN_EOF:
1317 s_ign_eof = 1;
1318 break;
1319 case OPT_NO_IGN_EOF:
1320 s_ign_eof = 0;
1321 break;
1322 case OPT_DEBUG:
1323 s_debug = 1;
1324 break;
1325 case OPT_TLSEXTDEBUG:
1326 s_tlsextdebug = 1;
1327 break;
1328 case OPT_STATUS:
1329 #ifndef OPENSSL_NO_OCSP
1330 s_tlsextstatus = 1;
1331 #endif
1332 break;
1333 case OPT_STATUS_VERBOSE:
1334 #ifndef OPENSSL_NO_OCSP
1335 s_tlsextstatus = tlscstatp.verbose = 1;
1336 #endif
1337 break;
1338 case OPT_STATUS_TIMEOUT:
1339 #ifndef OPENSSL_NO_OCSP
1340 s_tlsextstatus = 1;
1341 tlscstatp.timeout = atoi(opt_arg());
1342 #endif
1343 break;
1344 case OPT_STATUS_URL:
1345 #ifndef OPENSSL_NO_OCSP
1346 s_tlsextstatus = 1;
1347 if (!OCSP_parse_url(opt_arg(),
1348 &tlscstatp.host,
1349 &tlscstatp.port,
1350 &tlscstatp.path, &tlscstatp.use_ssl)) {
1351 BIO_printf(bio_err, "Error parsing URL\n");
1352 goto end;
1353 }
1354 #endif
1355 break;
1356 case OPT_STATUS_FILE:
1357 #ifndef OPENSSL_NO_OCSP
1358 s_tlsextstatus = 1;
1359 tlscstatp.respin = opt_arg();
1360 #endif
1361 break;
1362 case OPT_MSG:
1363 s_msg = 1;
1364 break;
1365 case OPT_MSGFILE:
1366 bio_s_msg = BIO_new_file(opt_arg(), "w");
1367 break;
1368 case OPT_TRACE:
1369 #ifndef OPENSSL_NO_SSL_TRACE
1370 s_msg = 2;
1371 #endif
1372 break;
1373 case OPT_SECURITY_DEBUG:
1374 sdebug = 1;
1375 break;
1376 case OPT_SECURITY_DEBUG_VERBOSE:
1377 sdebug = 2;
1378 break;
1379 case OPT_STATE:
1380 state = 1;
1381 break;
1382 case OPT_CRLF:
1383 s_crlf = 1;
1384 break;
1385 case OPT_QUIET:
1386 s_quiet = 1;
1387 break;
1388 case OPT_BRIEF:
1389 s_quiet = s_brief = verify_args.quiet = 1;
1390 break;
1391 case OPT_NO_DHE:
1392 #ifndef OPENSSL_NO_DH
1393 no_dhe = 1;
1394 #endif
1395 break;
1396 case OPT_NO_RESUME_EPHEMERAL:
1397 no_resume_ephemeral = 1;
1398 break;
1399 case OPT_PSK_IDENTITY:
1400 psk_identity = opt_arg();
1401 break;
1402 case OPT_PSK_HINT:
1403 #ifndef OPENSSL_NO_PSK
1404 psk_identity_hint = opt_arg();
1405 #endif
1406 break;
1407 case OPT_PSK:
1408 for (p = psk_key = opt_arg(); *p; p++) {
1409 if (isxdigit(_UC(*p)))
1410 continue;
1411 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1412 goto end;
1413 }
1414 break;
1415 case OPT_PSK_SESS:
1416 psksessf = opt_arg();
1417 break;
1418 case OPT_SRPVFILE:
1419 #ifndef OPENSSL_NO_SRP
1420 srp_verifier_file = opt_arg();
1421 if (min_version < TLS1_VERSION)
1422 min_version = TLS1_VERSION;
1423 #endif
1424 break;
1425 case OPT_SRPUSERSEED:
1426 #ifndef OPENSSL_NO_SRP
1427 srpuserseed = opt_arg();
1428 if (min_version < TLS1_VERSION)
1429 min_version = TLS1_VERSION;
1430 #endif
1431 break;
1432 case OPT_REV:
1433 rev = 1;
1434 break;
1435 case OPT_WWW:
1436 www = 1;
1437 break;
1438 case OPT_UPPER_WWW:
1439 www = 2;
1440 break;
1441 case OPT_HTTP:
1442 www = 3;
1443 break;
1444 case OPT_SSL_CONFIG:
1445 ssl_config = opt_arg();
1446 break;
1447 case OPT_SSL3:
1448 min_version = SSL3_VERSION;
1449 max_version = SSL3_VERSION;
1450 break;
1451 case OPT_TLS1_3:
1452 min_version = TLS1_3_VERSION;
1453 max_version = TLS1_3_VERSION;
1454 break;
1455 case OPT_TLS1_2:
1456 min_version = TLS1_2_VERSION;
1457 max_version = TLS1_2_VERSION;
1458 break;
1459 case OPT_TLS1_1:
1460 min_version = TLS1_1_VERSION;
1461 max_version = TLS1_1_VERSION;
1462 break;
1463 case OPT_TLS1:
1464 min_version = TLS1_VERSION;
1465 max_version = TLS1_VERSION;
1466 break;
1467 case OPT_DTLS:
1468 #ifndef OPENSSL_NO_DTLS
1469 meth = DTLS_server_method();
1470 socket_type = SOCK_DGRAM;
1471 #endif
1472 break;
1473 case OPT_DTLS1:
1474 #ifndef OPENSSL_NO_DTLS
1475 meth = DTLS_server_method();
1476 min_version = DTLS1_VERSION;
1477 max_version = DTLS1_VERSION;
1478 socket_type = SOCK_DGRAM;
1479 #endif
1480 break;
1481 case OPT_DTLS1_2:
1482 #ifndef OPENSSL_NO_DTLS
1483 meth = DTLS_server_method();
1484 min_version = DTLS1_2_VERSION;
1485 max_version = DTLS1_2_VERSION;
1486 socket_type = SOCK_DGRAM;
1487 #endif
1488 break;
1489 case OPT_SCTP:
1490 #ifndef OPENSSL_NO_SCTP
1491 protocol = IPPROTO_SCTP;
1492 #endif
1493 break;
1494 case OPT_SCTP_LABEL_BUG:
1495 #ifndef OPENSSL_NO_SCTP
1496 sctp_label_bug = 1;
1497 #endif
1498 break;
1499 case OPT_TIMEOUT:
1500 #ifndef OPENSSL_NO_DTLS
1501 enable_timeouts = 1;
1502 #endif
1503 break;
1504 case OPT_MTU:
1505 #ifndef OPENSSL_NO_DTLS
1506 socket_mtu = atol(opt_arg());
1507 #endif
1508 break;
1509 case OPT_LISTEN:
1510 #ifndef OPENSSL_NO_DTLS
1511 dtlslisten = 1;
1512 #endif
1513 break;
1514 case OPT_STATELESS:
1515 stateless = 1;
1516 break;
1517 case OPT_ID_PREFIX:
1518 session_id_prefix = opt_arg();
1519 break;
1520 case OPT_ENGINE:
1521 engine = setup_engine(opt_arg(), 1);
1522 break;
1523 case OPT_R_CASES:
1524 if (!opt_rand(o))
1525 goto end;
1526 break;
1527 case OPT_SERVERNAME:
1528 tlsextcbp.servername = opt_arg();
1529 break;
1530 case OPT_SERVERNAME_FATAL:
1531 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1532 break;
1533 case OPT_CERT2:
1534 s_cert_file2 = opt_arg();
1535 break;
1536 case OPT_KEY2:
1537 s_key_file2 = opt_arg();
1538 break;
1539 case OPT_NEXTPROTONEG:
1540 # ifndef OPENSSL_NO_NEXTPROTONEG
1541 next_proto_neg_in = opt_arg();
1542 #endif
1543 break;
1544 case OPT_ALPN:
1545 alpn_in = opt_arg();
1546 break;
1547 case OPT_SRTP_PROFILES:
1548 #ifndef OPENSSL_NO_SRTP
1549 srtp_profiles = opt_arg();
1550 #endif
1551 break;
1552 case OPT_KEYMATEXPORT:
1553 keymatexportlabel = opt_arg();
1554 break;
1555 case OPT_KEYMATEXPORTLEN:
1556 keymatexportlen = atoi(opt_arg());
1557 break;
1558 case OPT_ASYNC:
1559 async = 1;
1560 break;
1561 case OPT_MAX_SEND_FRAG:
1562 max_send_fragment = atoi(opt_arg());
1563 break;
1564 case OPT_SPLIT_SEND_FRAG:
1565 split_send_fragment = atoi(opt_arg());
1566 break;
1567 case OPT_MAX_PIPELINES:
1568 max_pipelines = atoi(opt_arg());
1569 break;
1570 case OPT_READ_BUF:
1571 read_buf_len = atoi(opt_arg());
1572 break;
1573 case OPT_KEYLOG_FILE:
1574 keylog_file = opt_arg();
1575 break;
1576 case OPT_MAX_EARLY:
1577 max_early_data = atoi(opt_arg());
1578 if (max_early_data < 0) {
1579 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1580 goto end;
1581 }
1582 break;
1583 case OPT_RECV_MAX_EARLY:
1584 recv_max_early_data = atoi(opt_arg());
1585 if (recv_max_early_data < 0) {
1586 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1587 goto end;
1588 }
1589 break;
1590 case OPT_EARLY_DATA:
1591 early_data = 1;
1592 if (max_early_data == -1)
1593 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1594 break;
1595 }
1596 }
1597 argc = opt_num_rest();
1598 argv = opt_rest();
1599
1600 #ifndef OPENSSL_NO_NEXTPROTONEG
1601 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1602 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1603 goto opthelp;
1604 }
1605 #endif
1606 #ifndef OPENSSL_NO_DTLS
1607 if (www && socket_type == SOCK_DGRAM) {
1608 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1609 goto end;
1610 }
1611
1612 if (dtlslisten && socket_type != SOCK_DGRAM) {
1613 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1614 goto end;
1615 }
1616 #endif
1617
1618 if (stateless && socket_type != SOCK_STREAM) {
1619 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1620 goto end;
1621 }
1622
1623 #ifdef AF_UNIX
1624 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1625 BIO_printf(bio_err,
1626 "Can't use unix sockets and datagrams together\n");
1627 goto end;
1628 }
1629 #endif
1630 if (early_data && (www > 0 || rev)) {
1631 BIO_printf(bio_err,
1632 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1633 goto end;
1634 }
1635
1636 #ifndef OPENSSL_NO_SCTP
1637 if (protocol == IPPROTO_SCTP) {
1638 if (socket_type != SOCK_DGRAM) {
1639 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1640 goto end;
1641 }
1642 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1643 socket_type = SOCK_STREAM;
1644 }
1645 #endif
1646
1647 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1648 BIO_printf(bio_err, "Error getting password\n");
1649 goto end;
1650 }
1651
1652 if (s_key_file == NULL)
1653 s_key_file = s_cert_file;
1654
1655 if (s_key_file2 == NULL)
1656 s_key_file2 = s_cert_file2;
1657
1658 if (!load_excert(&exc))
1659 goto end;
1660
1661 if (nocert == 0) {
1662 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1663 "server certificate private key file");
1664 if (s_key == NULL) {
1665 ERR_print_errors(bio_err);
1666 goto end;
1667 }
1668
1669 s_cert = load_cert(s_cert_file, s_cert_format,
1670 "server certificate file");
1671
1672 if (s_cert == NULL) {
1673 ERR_print_errors(bio_err);
1674 goto end;
1675 }
1676 if (s_chain_file != NULL) {
1677 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1678 "server certificate chain"))
1679 goto end;
1680 }
1681
1682 if (tlsextcbp.servername != NULL) {
1683 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1684 "second server certificate private key file");
1685 if (s_key2 == NULL) {
1686 ERR_print_errors(bio_err);
1687 goto end;
1688 }
1689
1690 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1691 "second server certificate file");
1692
1693 if (s_cert2 == NULL) {
1694 ERR_print_errors(bio_err);
1695 goto end;
1696 }
1697 }
1698 }
1699 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1700 if (next_proto_neg_in) {
1701 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1702 if (next_proto.data == NULL)
1703 goto end;
1704 }
1705 #endif
1706 alpn_ctx.data = NULL;
1707 if (alpn_in) {
1708 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1709 if (alpn_ctx.data == NULL)
1710 goto end;
1711 }
1712
1713 if (crl_file != NULL) {
1714 X509_CRL *crl;
1715 crl = load_crl(crl_file, crl_format);
1716 if (crl == NULL) {
1717 BIO_puts(bio_err, "Error loading CRL\n");
1718 ERR_print_errors(bio_err);
1719 goto end;
1720 }
1721 crls = sk_X509_CRL_new_null();
1722 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1723 BIO_puts(bio_err, "Error adding CRL\n");
1724 ERR_print_errors(bio_err);
1725 X509_CRL_free(crl);
1726 goto end;
1727 }
1728 }
1729
1730 if (s_dcert_file != NULL) {
1731
1732 if (s_dkey_file == NULL)
1733 s_dkey_file = s_dcert_file;
1734
1735 s_dkey = load_key(s_dkey_file, s_dkey_format,
1736 0, dpass, engine, "second certificate private key file");
1737 if (s_dkey == NULL) {
1738 ERR_print_errors(bio_err);
1739 goto end;
1740 }
1741
1742 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1743 "second server certificate file");
1744
1745 if (s_dcert == NULL) {
1746 ERR_print_errors(bio_err);
1747 goto end;
1748 }
1749 if (s_dchain_file != NULL) {
1750 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1751 "second server certificate chain"))
1752 goto end;
1753 }
1754
1755 }
1756
1757 if (bio_s_out == NULL) {
1758 if (s_quiet && !s_debug) {
1759 bio_s_out = BIO_new(BIO_s_null());
1760 if (s_msg && bio_s_msg == NULL)
1761 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1762 } else {
1763 if (bio_s_out == NULL)
1764 bio_s_out = dup_bio_out(FORMAT_TEXT);
1765 }
1766 }
1767 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1768 if (nocert)
1769 #endif
1770 {
1771 s_cert_file = NULL;
1772 s_key_file = NULL;
1773 s_dcert_file = NULL;
1774 s_dkey_file = NULL;
1775 s_cert_file2 = NULL;
1776 s_key_file2 = NULL;
1777 }
1778
1779 ctx = SSL_CTX_new(meth);
1780 if (ctx == NULL) {
1781 ERR_print_errors(bio_err);
1782 goto end;
1783 }
1784
1785 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1786
1787 if (sdebug)
1788 ssl_ctx_security_debug(ctx, sdebug);
1789
1790 if (!config_ctx(cctx, ssl_args, ctx))
1791 goto end;
1792
1793 if (ssl_config) {
1794 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1795 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1796 ssl_config);
1797 ERR_print_errors(bio_err);
1798 goto end;
1799 }
1800 }
1801
1802 #ifndef OPENSSL_NO_SCTP
1803 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1804 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1805 #endif
1806
1807 if (min_version != 0
1808 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1809 goto end;
1810 if (max_version != 0
1811 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1812 goto end;
1813
1814 if (session_id_prefix) {
1815 if (strlen(session_id_prefix) >= 32)
1816 BIO_printf(bio_err,
1817 "warning: id_prefix is too long, only one new session will be possible\n");
1818 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1819 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1820 ERR_print_errors(bio_err);
1821 goto end;
1822 }
1823 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1824 }
1825 SSL_CTX_set_quiet_shutdown(ctx, 1);
1826 if (exc != NULL)
1827 ssl_ctx_set_excert(ctx, exc);
1828
1829 if (state)
1830 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1831 if (no_cache)
1832 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1833 else if (ext_cache)
1834 init_session_cache_ctx(ctx);
1835 else
1836 SSL_CTX_sess_set_cache_size(ctx, 128);
1837
1838 if (async) {
1839 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1840 }
1841
1842 if (max_send_fragment > 0
1843 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1844 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1845 prog, max_send_fragment);
1846 goto end;
1847 }
1848
1849 if (split_send_fragment > 0
1850 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1851 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1852 prog, split_send_fragment);
1853 goto end;
1854 }
1855 if (max_pipelines > 0
1856 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1857 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1858 prog, max_pipelines);
1859 goto end;
1860 }
1861
1862 if (read_buf_len > 0) {
1863 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1864 }
1865 #ifndef OPENSSL_NO_SRTP
1866 if (srtp_profiles != NULL) {
1867 /* Returns 0 on success! */
1868 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1869 BIO_printf(bio_err, "Error setting SRTP profile\n");
1870 ERR_print_errors(bio_err);
1871 goto end;
1872 }
1873 }
1874 #endif
1875
1876 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1877 ERR_print_errors(bio_err);
1878 goto end;
1879 }
1880 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1881 BIO_printf(bio_err, "Error setting verify params\n");
1882 ERR_print_errors(bio_err);
1883 goto end;
1884 }
1885
1886 ssl_ctx_add_crls(ctx, crls, 0);
1887
1888 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1889 crls, crl_download)) {
1890 BIO_printf(bio_err, "Error loading store locations\n");
1891 ERR_print_errors(bio_err);
1892 goto end;
1893 }
1894
1895 if (s_cert2) {
1896 ctx2 = SSL_CTX_new(meth);
1897 if (ctx2 == NULL) {
1898 ERR_print_errors(bio_err);
1899 goto end;
1900 }
1901 }
1902
1903 if (ctx2 != NULL) {
1904 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1905
1906 if (sdebug)
1907 ssl_ctx_security_debug(ctx2, sdebug);
1908
1909 if (session_id_prefix) {
1910 if (strlen(session_id_prefix) >= 32)
1911 BIO_printf(bio_err,
1912 "warning: id_prefix is too long, only one new session will be possible\n");
1913 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1914 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1915 ERR_print_errors(bio_err);
1916 goto end;
1917 }
1918 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1919 }
1920 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1921 if (exc != NULL)
1922 ssl_ctx_set_excert(ctx2, exc);
1923
1924 if (state)
1925 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1926
1927 if (no_cache)
1928 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1929 else if (ext_cache)
1930 init_session_cache_ctx(ctx2);
1931 else
1932 SSL_CTX_sess_set_cache_size(ctx2, 128);
1933
1934 if (async)
1935 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1936
1937 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1938 noCApath)) {
1939 ERR_print_errors(bio_err);
1940 goto end;
1941 }
1942 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1943 BIO_printf(bio_err, "Error setting verify params\n");
1944 ERR_print_errors(bio_err);
1945 goto end;
1946 }
1947
1948 ssl_ctx_add_crls(ctx2, crls, 0);
1949 if (!config_ctx(cctx, ssl_args, ctx2))
1950 goto end;
1951 }
1952 #ifndef OPENSSL_NO_NEXTPROTONEG
1953 if (next_proto.data)
1954 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1955 &next_proto);
1956 #endif
1957 if (alpn_ctx.data)
1958 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1959
1960 #ifndef OPENSSL_NO_DH
1961 if (!no_dhe) {
1962 DH *dh = NULL;
1963
1964 if (dhfile != NULL)
1965 dh = load_dh_param(dhfile);
1966 else if (s_cert_file != NULL)
1967 dh = load_dh_param(s_cert_file);
1968
1969 if (dh != NULL) {
1970 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1971 } else {
1972 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1973 }
1974 (void)BIO_flush(bio_s_out);
1975
1976 if (dh == NULL) {
1977 SSL_CTX_set_dh_auto(ctx, 1);
1978 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1979 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1980 ERR_print_errors(bio_err);
1981 DH_free(dh);
1982 goto end;
1983 }
1984
1985 if (ctx2 != NULL) {
1986 if (!dhfile) {
1987 DH *dh2 = load_dh_param(s_cert_file2);
1988 if (dh2 != NULL) {
1989 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1990 (void)BIO_flush(bio_s_out);
1991
1992 DH_free(dh);
1993 dh = dh2;
1994 }
1995 }
1996 if (dh == NULL) {
1997 SSL_CTX_set_dh_auto(ctx2, 1);
1998 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1999 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2000 ERR_print_errors(bio_err);
2001 DH_free(dh);
2002 goto end;
2003 }
2004 }
2005 DH_free(dh);
2006 }
2007 #endif
2008
2009 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2010 goto end;
2011
2012 if (s_serverinfo_file != NULL
2013 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2014 ERR_print_errors(bio_err);
2015 goto end;
2016 }
2017
2018 if (ctx2 != NULL
2019 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2020 goto end;
2021
2022 if (s_dcert != NULL) {
2023 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2024 goto end;
2025 }
2026
2027 if (no_resume_ephemeral) {
2028 SSL_CTX_set_not_resumable_session_callback(ctx,
2029 not_resumable_sess_cb);
2030
2031 if (ctx2 != NULL)
2032 SSL_CTX_set_not_resumable_session_callback(ctx2,
2033 not_resumable_sess_cb);
2034 }
2035 #ifndef OPENSSL_NO_PSK
2036 if (psk_key != NULL) {
2037 if (s_debug)
2038 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2039 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2040 }
2041
2042 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2043 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2044 ERR_print_errors(bio_err);
2045 goto end;
2046 }
2047 #endif
2048 if (psksessf != NULL) {
2049 BIO *stmp = BIO_new_file(psksessf, "r");
2050
2051 if (stmp == NULL) {
2052 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2053 ERR_print_errors(bio_err);
2054 goto end;
2055 }
2056 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2057 BIO_free(stmp);
2058 if (psksess == NULL) {
2059 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2060 ERR_print_errors(bio_err);
2061 goto end;
2062 }
2063
2064 }
2065
2066 if (psk_key != NULL || psksess != NULL)
2067 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2068
2069 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2070 if (!SSL_CTX_set_session_id_context(ctx,
2071 (void *)&s_server_session_id_context,
2072 sizeof(s_server_session_id_context))) {
2073 BIO_printf(bio_err, "error setting session id context\n");
2074 ERR_print_errors(bio_err);
2075 goto end;
2076 }
2077
2078 /* Set DTLS cookie generation and verification callbacks */
2079 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2080 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2081
2082 /* Set TLS1.3 cookie generation and verification callbacks */
2083 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2084 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2085
2086 if (ctx2 != NULL) {
2087 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2088 if (!SSL_CTX_set_session_id_context(ctx2,
2089 (void *)&s_server_session_id_context,
2090 sizeof(s_server_session_id_context))) {
2091 BIO_printf(bio_err, "error setting session id context\n");
2092 ERR_print_errors(bio_err);
2093 goto end;
2094 }
2095 tlsextcbp.biodebug = bio_s_out;
2096 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2097 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2098 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2099 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2100 }
2101
2102 #ifndef OPENSSL_NO_SRP
2103 if (srp_verifier_file != NULL) {
2104 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2105 srp_callback_parm.user = NULL;
2106 srp_callback_parm.login = NULL;
2107 if ((ret =
2108 SRP_VBASE_init(srp_callback_parm.vb,
2109 srp_verifier_file)) != SRP_NO_ERROR) {
2110 BIO_printf(bio_err,
2111 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2112 srp_verifier_file, ret);
2113 goto end;
2114 }
2115 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2116 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2117 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2118 } else
2119 #endif
2120 if (CAfile != NULL) {
2121 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2122
2123 if (ctx2)
2124 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2125 }
2126 #ifndef OPENSSL_NO_OCSP
2127 if (s_tlsextstatus) {
2128 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2129 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2130 if (ctx2) {
2131 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2132 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2133 }
2134 }
2135 #endif
2136 if (set_keylog_file(ctx, keylog_file))
2137 goto end;
2138
2139 if (max_early_data >= 0)
2140 SSL_CTX_set_max_early_data(ctx, max_early_data);
2141 if (recv_max_early_data >= 0)
2142 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2143
2144 if (rev)
2145 server_cb = rev_body;
2146 else if (www)
2147 server_cb = www_body;
2148 else
2149 server_cb = sv_body;
2150 #ifdef AF_UNIX
2151 if (socket_family == AF_UNIX
2152 && unlink_unix_path)
2153 unlink(host);
2154 #endif
2155 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2156 server_cb, context, naccept, bio_s_out);
2157 print_stats(bio_s_out, ctx);
2158 ret = 0;
2159 end:
2160 SSL_CTX_free(ctx);
2161 SSL_SESSION_free(psksess);
2162 set_keylog_file(NULL, NULL);
2163 X509_free(s_cert);
2164 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2165 X509_free(s_dcert);
2166 EVP_PKEY_free(s_key);
2167 EVP_PKEY_free(s_dkey);
2168 sk_X509_pop_free(s_chain, X509_free);
2169 sk_X509_pop_free(s_dchain, X509_free);
2170 OPENSSL_free(pass);
2171 OPENSSL_free(dpass);
2172 OPENSSL_free(host);
2173 OPENSSL_free(port);
2174 X509_VERIFY_PARAM_free(vpm);
2175 free_sessions();
2176 OPENSSL_free(tlscstatp.host);
2177 OPENSSL_free(tlscstatp.port);
2178 OPENSSL_free(tlscstatp.path);
2179 SSL_CTX_free(ctx2);
2180 X509_free(s_cert2);
2181 EVP_PKEY_free(s_key2);
2182 #ifndef OPENSSL_NO_NEXTPROTONEG
2183 OPENSSL_free(next_proto.data);
2184 #endif
2185 OPENSSL_free(alpn_ctx.data);
2186 ssl_excert_free(exc);
2187 sk_OPENSSL_STRING_free(ssl_args);
2188 SSL_CONF_CTX_free(cctx);
2189 release_engine(engine);
2190 BIO_free(bio_s_out);
2191 bio_s_out = NULL;
2192 BIO_free(bio_s_msg);
2193 bio_s_msg = NULL;
2194 #ifdef CHARSET_EBCDIC
2195 BIO_meth_free(methods_ebcdic);
2196 #endif
2197 return ret;
2198 }
2199
2200 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2201 {
2202 BIO_printf(bio, "%4ld items in the session cache\n",
2203 SSL_CTX_sess_number(ssl_ctx));
2204 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2205 SSL_CTX_sess_connect(ssl_ctx));
2206 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2207 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2208 BIO_printf(bio, "%4ld client connects that finished\n",
2209 SSL_CTX_sess_connect_good(ssl_ctx));
2210 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2211 SSL_CTX_sess_accept(ssl_ctx));
2212 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2213 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2214 BIO_printf(bio, "%4ld server accepts that finished\n",
2215 SSL_CTX_sess_accept_good(ssl_ctx));
2216 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2217 BIO_printf(bio, "%4ld session cache misses\n",
2218 SSL_CTX_sess_misses(ssl_ctx));
2219 BIO_printf(bio, "%4ld session cache timeouts\n",
2220 SSL_CTX_sess_timeouts(ssl_ctx));
2221 BIO_printf(bio, "%4ld callback cache hits\n",
2222 SSL_CTX_sess_cb_hits(ssl_ctx));
2223 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2224 SSL_CTX_sess_cache_full(ssl_ctx),
2225 SSL_CTX_sess_get_cache_size(ssl_ctx));
2226 }
2227
2228 static int sv_body(int s, int stype, int prot, unsigned char *context)
2229 {
2230 char *buf = NULL;
2231 fd_set readfds;
2232 int ret = 1, width;
2233 int k, i;
2234 unsigned long l;
2235 SSL *con = NULL;
2236 BIO *sbio;
2237 struct timeval timeout;
2238 #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2239 struct timeval *timeoutp;
2240 #endif
2241 #ifndef OPENSSL_NO_DTLS
2242 # ifndef OPENSSL_NO_SCTP
2243 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2244 # else
2245 int isdtls = (stype == SOCK_DGRAM);
2246 # endif
2247 #endif
2248
2249 buf = app_malloc(bufsize, "server buffer");
2250 if (s_nbio) {
2251 if (!BIO_socket_nbio(s, 1))
2252 ERR_print_errors(bio_err);
2253 else if (!s_quiet)
2254 BIO_printf(bio_err, "Turned on non blocking io\n");
2255 }
2256
2257 con = SSL_new(ctx);
2258 if (con == NULL) {
2259 ret = -1;
2260 goto err;
2261 }
2262
2263 if (s_tlsextdebug) {
2264 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2265 SSL_set_tlsext_debug_arg(con, bio_s_out);
2266 }
2267
2268 if (context != NULL
2269 && !SSL_set_session_id_context(con, context,
2270 strlen((char *)context))) {
2271 BIO_printf(bio_err, "Error setting session id context\n");
2272 ret = -1;
2273 goto err;
2274 }
2275
2276 if (!SSL_clear(con)) {
2277 BIO_printf(bio_err, "Error clearing SSL connection\n");
2278 ret = -1;
2279 goto err;
2280 }
2281 #ifndef OPENSSL_NO_DTLS
2282 if (isdtls) {
2283 # ifndef OPENSSL_NO_SCTP
2284 if (prot == IPPROTO_SCTP)
2285 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2286 else
2287 # endif
2288 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2289
2290 if (enable_timeouts) {
2291 timeout.tv_sec = 0;
2292 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2293 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2294
2295 timeout.tv_sec = 0;
2296 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2297 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2298 }
2299
2300 if (socket_mtu) {
2301 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2302 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2303 DTLS_get_link_min_mtu(con));
2304 ret = -1;
2305 BIO_free(sbio);
2306 goto err;
2307 }
2308 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2309 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2310 BIO_printf(bio_err, "Failed to set MTU\n");
2311 ret = -1;
2312 BIO_free(sbio);
2313 goto err;
2314 }
2315 } else
2316 /* want to do MTU discovery */
2317 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2318
2319 # ifndef OPENSSL_NO_SCTP
2320 if (prot != IPPROTO_SCTP)
2321 # endif
2322 /* Turn on cookie exchange. Not necessary for SCTP */
2323 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2324 } else
2325 #endif
2326 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2327
2328 if (sbio == NULL) {
2329 BIO_printf(bio_err, "Unable to create BIO\n");
2330 ERR_print_errors(bio_err);
2331 goto err;
2332 }
2333
2334 if (s_nbio_test) {
2335 BIO *test;
2336
2337 test = BIO_new(BIO_f_nbio_test());
2338 sbio = BIO_push(test, sbio);
2339 }
2340
2341 SSL_set_bio(con, sbio, sbio);
2342 SSL_set_accept_state(con);
2343 /* SSL_set_fd(con,s); */
2344
2345 if (s_debug) {
2346 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2347 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2348 }
2349 if (s_msg) {
2350 #ifndef OPENSSL_NO_SSL_TRACE
2351 if (s_msg == 2)
2352 SSL_set_msg_callback(con, SSL_trace);
2353 else
2354 #endif
2355 SSL_set_msg_callback(con, msg_cb);
2356 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2357 }
2358
2359 if (s_tlsextdebug) {
2360 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2361 SSL_set_tlsext_debug_arg(con, bio_s_out);
2362 }
2363
2364 if (early_data) {
2365 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2366 size_t readbytes;
2367
2368 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2369 for (;;) {
2370 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2371 if (edret != SSL_READ_EARLY_DATA_ERROR)
2372 break;
2373
2374 switch (SSL_get_error(con, 0)) {
2375 case SSL_ERROR_WANT_WRITE:
2376 case SSL_ERROR_WANT_ASYNC:
2377 case SSL_ERROR_WANT_READ:
2378 /* Just keep trying - busy waiting */
2379 continue;
2380 default:
2381 BIO_printf(bio_err, "Error reading early data\n");
2382 ERR_print_errors(bio_err);
2383 goto err;
2384 }
2385 }
2386 if (readbytes > 0) {
2387 if (write_header) {
2388 BIO_printf(bio_s_out, "Early data received:\n");
2389 write_header = 0;
2390 }
2391 raw_write_stdout(buf, (unsigned int)readbytes);
2392 (void)BIO_flush(bio_s_out);
2393 }
2394 }
2395 if (write_header) {
2396 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2397 BIO_printf(bio_s_out, "No early data received\n");
2398 else
2399 BIO_printf(bio_s_out, "Early data was rejected\n");
2400 } else {
2401 BIO_printf(bio_s_out, "\nEnd of early data\n");
2402 }
2403 if (SSL_is_init_finished(con))
2404 print_connection_info(con);
2405 }
2406
2407 if (fileno_stdin() > s)
2408 width = fileno_stdin() + 1;
2409 else
2410 width = s + 1;
2411 for (;;) {
2412 int read_from_terminal;
2413 int read_from_sslcon;
2414
2415 read_from_terminal = 0;
2416 read_from_sslcon = SSL_has_pending(con)
2417 || (async && SSL_waiting_for_async(con));
2418
2419 if (!read_from_sslcon) {
2420 FD_ZERO(&readfds);
2421 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2422 openssl_fdset(fileno_stdin(), &readfds);
2423 #endif
2424 openssl_fdset(s, &readfds);
2425 /*
2426 * Note: under VMS with SOCKETSHR the second parameter is
2427 * currently of type (int *) whereas under other systems it is
2428 * (void *) if you don't have a cast it will choke the compiler:
2429 * if you do have a cast then you can either go for (int *) or
2430 * (void *).
2431 */
2432 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2433 /*
2434 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2435 * only on sockets. As a workaround we timeout the select every
2436 * second and check for any keypress. In a proper Windows
2437 * application we wouldn't do this because it is inefficient.
2438 */
2439 timeout.tv_sec = 1;
2440 timeout.tv_usec = 0;
2441 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2442 if (has_stdin_waiting())
2443 read_from_terminal = 1;
2444 if ((i < 0) || (!i && !read_from_terminal))
2445 continue;
2446 #else
2447 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2448 timeoutp = &timeout;
2449 else
2450 timeoutp = NULL;
2451
2452 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2453
2454 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2455 BIO_printf(bio_err, "TIMEOUT occurred\n");
2456
2457 if (i <= 0)
2458 continue;
2459 if (FD_ISSET(fileno_stdin(), &readfds))
2460 read_from_terminal = 1;
2461 #endif
2462 if (FD_ISSET(s, &readfds))
2463 read_from_sslcon = 1;
2464 }
2465 if (read_from_terminal) {
2466 if (s_crlf) {
2467 int j, lf_num;
2468
2469 i = raw_read_stdin(buf, bufsize / 2);
2470 lf_num = 0;
2471 /* both loops are skipped when i <= 0 */
2472 for (j = 0; j < i; j++)
2473 if (buf[j] == '\n')
2474 lf_num++;
2475 for (j = i - 1; j >= 0; j--) {
2476 buf[j + lf_num] = buf[j];
2477 if (buf[j] == '\n') {
2478 lf_num--;
2479 i++;
2480 buf[j + lf_num] = '\r';
2481 }
2482 }
2483 assert(lf_num == 0);
2484 } else {
2485 i = raw_read_stdin(buf, bufsize);
2486 }
2487
2488 if (!s_quiet && !s_brief) {
2489 if ((i <= 0) || (buf[0] == 'Q')) {
2490 BIO_printf(bio_s_out, "DONE\n");
2491 (void)BIO_flush(bio_s_out);
2492 BIO_closesocket(s);
2493 close_accept_socket();
2494 ret = -11;
2495 goto err;
2496 }
2497 if ((i <= 0) || (buf[0] == 'q')) {
2498 BIO_printf(bio_s_out, "DONE\n");
2499 (void)BIO_flush(bio_s_out);
2500 if (SSL_version(con) != DTLS1_VERSION)
2501 BIO_closesocket(s);
2502 /*
2503 * close_accept_socket(); ret= -11;
2504 */
2505 goto err;
2506 }
2507 #ifndef OPENSSL_NO_HEARTBEATS
2508 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2509 BIO_printf(bio_err, "HEARTBEATING\n");
2510 SSL_heartbeat(con);
2511 i = 0;
2512 continue;
2513 }
2514 #endif
2515 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2516 SSL_renegotiate(con);
2517 i = SSL_do_handshake(con);
2518 printf("SSL_do_handshake -> %d\n", i);
2519 i = 0; /* 13; */
2520 continue;
2521 }
2522 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2523 SSL_set_verify(con,
2524 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2525 NULL);
2526 SSL_renegotiate(con);
2527 i = SSL_do_handshake(con);
2528 printf("SSL_do_handshake -> %d\n", i);
2529 i = 0; /* 13; */
2530 continue;
2531 }
2532 if ((buf[0] == 'K' || buf[0] == 'k')
2533 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2534 SSL_key_update(con, buf[0] == 'K' ?
2535 SSL_KEY_UPDATE_REQUESTED
2536 : SSL_KEY_UPDATE_NOT_REQUESTED);
2537 i = SSL_do_handshake(con);
2538 printf("SSL_do_handshake -> %d\n", i);
2539 i = 0;
2540 continue;
2541 }
2542 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2543 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2544 i = SSL_verify_client_post_handshake(con);
2545 if (i == 0) {
2546 printf("Failed to initiate request\n");
2547 ERR_print_errors(bio_err);
2548 } else {
2549 i = SSL_do_handshake(con);
2550 printf("SSL_do_handshake -> %d\n", i);
2551 i = 0;
2552 }
2553 continue;
2554 }
2555 if (buf[0] == 'P') {
2556 static const char *str = "Lets print some clear text\n";
2557 BIO_write(SSL_get_wbio(con), str, strlen(str));
2558 }
2559 if (buf[0] == 'S') {
2560 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2561 }
2562 }
2563 #ifdef CHARSET_EBCDIC
2564 ebcdic2ascii(buf, buf, i);
2565 #endif
2566 l = k = 0;
2567 for (;;) {
2568 /* should do a select for the write */
2569 #ifdef RENEG
2570 static count = 0;
2571 if (++count == 100) {
2572 count = 0;
2573 SSL_renegotiate(con);
2574 }
2575 #endif
2576 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2577 #ifndef OPENSSL_NO_SRP
2578 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2579 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2580 SRP_user_pwd_free(srp_callback_parm.user);
2581 srp_callback_parm.user =
2582 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2583 srp_callback_parm.login);
2584 if (srp_callback_parm.user)
2585 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2586 srp_callback_parm.user->info);
2587 else
2588 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2589 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2590 }
2591 #endif
2592 switch (SSL_get_error(con, k)) {
2593 case SSL_ERROR_NONE:
2594 break;
2595 case SSL_ERROR_WANT_ASYNC:
2596 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2597 (void)BIO_flush(bio_s_out);
2598 wait_for_async(con);
2599 break;
2600 case SSL_ERROR_WANT_WRITE:
2601 case SSL_ERROR_WANT_READ:
2602 case SSL_ERROR_WANT_X509_LOOKUP:
2603 BIO_printf(bio_s_out, "Write BLOCK\n");
2604 (void)BIO_flush(bio_s_out);
2605 break;
2606 case SSL_ERROR_WANT_ASYNC_JOB:
2607 /*
2608 * This shouldn't ever happen in s_server. Treat as an error
2609 */
2610 case SSL_ERROR_SYSCALL:
2611 case SSL_ERROR_SSL:
2612 BIO_printf(bio_s_out, "ERROR\n");
2613 (void)BIO_flush(bio_s_out);
2614 ERR_print_errors(bio_err);
2615 ret = 1;
2616 goto err;
2617 /* break; */
2618 case SSL_ERROR_ZERO_RETURN:
2619 BIO_printf(bio_s_out, "DONE\n");
2620 (void)BIO_flush(bio_s_out);
2621 ret = 1;
2622 goto err;
2623 }
2624 if (k > 0) {
2625 l += k;
2626 i -= k;
2627 }
2628 if (i <= 0)
2629 break;
2630 }
2631 }
2632 if (read_from_sslcon) {
2633 /*
2634 * init_ssl_connection handles all async events itself so if we're
2635 * waiting for async then we shouldn't go back into
2636 * init_ssl_connection
2637 */
2638 if ((!async || !SSL_waiting_for_async(con))
2639 && !SSL_is_init_finished(con)) {
2640 i = init_ssl_connection(con);
2641
2642 if (i < 0) {
2643 ret = 0;
2644 goto err;
2645 } else if (i == 0) {
2646 ret = 1;
2647 goto err;
2648 }
2649 } else {
2650 again:
2651 i = SSL_read(con, (char *)buf, bufsize);
2652 #ifndef OPENSSL_NO_SRP
2653 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2654 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2655 SRP_user_pwd_free(srp_callback_parm.user);
2656 srp_callback_parm.user =
2657 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2658 srp_callback_parm.login);
2659 if (srp_callback_parm.user)
2660 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2661 srp_callback_parm.user->info);
2662 else
2663 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2664 i = SSL_read(con, (char *)buf, bufsize);
2665 }
2666 #endif
2667 switch (SSL_get_error(con, i)) {
2668 case SSL_ERROR_NONE:
2669 #ifdef CHARSET_EBCDIC
2670 ascii2ebcdic(buf, buf, i);
2671 #endif
2672 raw_write_stdout(buf, (unsigned int)i);
2673 (void)BIO_flush(bio_s_out);
2674 if (SSL_has_pending(con))
2675 goto again;
2676 break;
2677 case SSL_ERROR_WANT_ASYNC:
2678 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2679 (void)BIO_flush(bio_s_out);
2680 wait_for_async(con);
2681 break;
2682 case SSL_ERROR_WANT_WRITE:
2683 case SSL_ERROR_WANT_READ:
2684 BIO_printf(bio_s_out, "Read BLOCK\n");
2685 (void)BIO_flush(bio_s_out);
2686 break;
2687 case SSL_ERROR_WANT_ASYNC_JOB:
2688 /*
2689 * This shouldn't ever happen in s_server. Treat as an error
2690 */
2691 case SSL_ERROR_SYSCALL:
2692 case SSL_ERROR_SSL:
2693 BIO_printf(bio_s_out, "ERROR\n");
2694 (void)BIO_flush(bio_s_out);
2695 ERR_print_errors(bio_err);
2696 ret = 1;
2697 goto err;
2698 case SSL_ERROR_ZERO_RETURN:
2699 BIO_printf(bio_s_out, "DONE\n");
2700 (void)BIO_flush(bio_s_out);
2701 ret = 1;
2702 goto err;
2703 }
2704 }
2705 }
2706 }
2707 err:
2708 if (con != NULL) {
2709 BIO_printf(bio_s_out, "shutting down SSL\n");
2710 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2711 SSL_free(con);
2712 }
2713 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2714 OPENSSL_clear_free(buf, bufsize);
2715 return ret;
2716 }
2717
2718 static void close_accept_socket(void)
2719 {
2720 BIO_printf(bio_err, "shutdown accept socket\n");
2721 if (accept_socket >= 0) {
2722 BIO_closesocket(accept_socket);
2723 }
2724 }
2725
2726 static int is_retryable(SSL *con, int i)
2727 {
2728 int err = SSL_get_error(con, i);
2729
2730 /* If it's not a fatal error, it must be retryable */
2731 return (err != SSL_ERROR_SSL)
2732 && (err != SSL_ERROR_SYSCALL)
2733 && (err != SSL_ERROR_ZERO_RETURN);
2734 }
2735
2736 static int init_ssl_connection(SSL *con)
2737 {
2738 int i;
2739 long verify_err;
2740 int retry = 0;
2741
2742 if (dtlslisten || stateless) {
2743 BIO_ADDR *client = NULL;
2744
2745 if (dtlslisten) {
2746 if ((client = BIO_ADDR_new()) == NULL) {
2747 BIO_printf(bio_err, "ERROR - memory\n");
2748 return 0;
2749 }
2750 i = DTLSv1_listen(con, client);
2751 } else {
2752 i = SSL_stateless(con);
2753 }
2754 if (i > 0) {
2755 BIO *wbio;
2756 int fd = -1;
2757
2758 if (dtlslisten) {
2759 wbio = SSL_get_wbio(con);
2760 if (wbio) {
2761 BIO_get_fd(wbio, &fd);
2762 }
2763
2764 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2765 BIO_printf(bio_err, "ERROR - unable to connect\n");
2766 BIO_ADDR_free(client);
2767 return 0;
2768 }
2769
2770 (void)BIO_ctrl_set_connected(wbio, client);
2771 BIO_ADDR_free(client);
2772 dtlslisten = 0;
2773 } else {
2774 stateless = 0;
2775 }
2776 i = SSL_accept(con);
2777 } else {
2778 BIO_ADDR_free(client);
2779 }
2780 } else {
2781 do {
2782 i = SSL_accept(con);
2783
2784 if (i <= 0)
2785 retry = is_retryable(con, i);
2786 #ifdef CERT_CB_TEST_RETRY
2787 {
2788 while (i <= 0
2789 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2790 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2791 BIO_printf(bio_err,
2792 "LOOKUP from certificate callback during accept\n");
2793 i = SSL_accept(con);
2794 if (i <= 0)
2795 retry = is_retryable(con, i);
2796 }
2797 }
2798 #endif
2799
2800 #ifndef OPENSSL_NO_SRP
2801 while (i <= 0
2802 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2803 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2804 srp_callback_parm.login);
2805 SRP_user_pwd_free(srp_callback_parm.user);
2806 srp_callback_parm.user =
2807 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2808 srp_callback_parm.login);
2809 if (srp_callback_parm.user)
2810 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2811 srp_callback_parm.user->info);
2812 else
2813 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2814 i = SSL_accept(con);
2815 if (i <= 0)
2816 retry = is_retryable(con, i);
2817 }
2818 #endif
2819 } while (i < 0 && SSL_waiting_for_async(con));
2820 }
2821
2822 if (i <= 0) {
2823 if (((dtlslisten || stateless) && i == 0)
2824 || (!dtlslisten && !stateless && retry)) {
2825 BIO_printf(bio_s_out, "DELAY\n");
2826 return 1;
2827 }
2828
2829 BIO_printf(bio_err, "ERROR\n");
2830
2831 verify_err = SSL_get_verify_result(con);
2832 if (verify_err != X509_V_OK) {
2833 BIO_printf(bio_err, "verify error:%s\n",
2834 X509_verify_cert_error_string(verify_err));
2835 }
2836 /* Always print any error messages */
2837 ERR_print_errors(bio_err);
2838 return 0;
2839 }
2840
2841 print_connection_info(con);
2842 return 1;
2843 }
2844
2845 static void print_connection_info(SSL *con)
2846 {
2847 const char *str;
2848 X509 *peer;
2849 char buf[BUFSIZ];
2850 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2851 const unsigned char *next_proto_neg;
2852 unsigned next_proto_neg_len;
2853 #endif
2854 unsigned char *exportedkeymat;
2855 int i;
2856
2857 if (s_brief)
2858 print_ssl_summary(con);
2859
2860 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2861
2862 peer = SSL_get_peer_certificate(con);
2863 if (peer != NULL) {
2864 BIO_printf(bio_s_out, "Client certificate\n");
2865 PEM_write_bio_X509(bio_s_out, peer);
2866 dump_cert_text(bio_s_out, peer);
2867 X509_free(peer);
2868 peer = NULL;
2869 }
2870
2871 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2872 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2873 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2874 ssl_print_sigalgs(bio_s_out, con);
2875 #ifndef OPENSSL_NO_EC
2876 ssl_print_point_formats(bio_s_out, con);
2877 ssl_print_groups(bio_s_out, con, 0);
2878 #endif
2879 print_ca_names(bio_s_out, con);
2880 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2881
2882 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2883 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2884 if (next_proto_neg) {
2885 BIO_printf(bio_s_out, "NEXTPROTO is ");
2886 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2887 BIO_printf(bio_s_out, "\n");
2888 }
2889 #endif
2890 #ifndef OPENSSL_NO_SRTP
2891 {
2892 SRTP_PROTECTION_PROFILE *srtp_profile
2893 = SSL_get_selected_srtp_profile(con);
2894
2895 if (srtp_profile)
2896 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2897 srtp_profile->name);
2898 }
2899 #endif
2900 if (SSL_session_reused(con))
2901 BIO_printf(bio_s_out, "Reused session-id\n");
2902 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2903 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2904 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2905 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2906
2907 if (keymatexportlabel != NULL) {
2908 BIO_printf(bio_s_out, "Keying material exporter:\n");
2909 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2910 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2911 exportedkeymat = app_malloc(keymatexportlen, "export key");
2912 if (!SSL_export_keying_material(con, exportedkeymat,
2913 keymatexportlen,
2914 keymatexportlabel,
2915 strlen(keymatexportlabel),
2916 NULL, 0, 0)) {
2917 BIO_printf(bio_s_out, " Error\n");
2918 } else {
2919 BIO_printf(bio_s_out, " Keying material: ");
2920 for (i = 0; i < keymatexportlen; i++)
2921 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2922 BIO_printf(bio_s_out, "\n");
2923 }
2924 OPENSSL_free(exportedkeymat);
2925 }
2926
2927 (void)BIO_flush(bio_s_out);
2928 }
2929
2930 #ifndef OPENSSL_NO_DH
2931 static DH *load_dh_param(const char *dhfile)
2932 {
2933 DH *ret = NULL;
2934 BIO *bio;
2935
2936 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2937 goto err;
2938 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2939 err:
2940 BIO_free(bio);
2941 return ret;
2942 }
2943 #endif
2944
2945 static int www_body(int s, int stype, int prot, unsigned char *context)
2946 {
2947 char *buf = NULL;
2948 int ret = 1;
2949 int i, j, k, dot;
2950 SSL *con;
2951 const SSL_CIPHER *c;
2952 BIO *io, *ssl_bio, *sbio;
2953 #ifdef RENEG
2954 int total_bytes = 0;
2955 #endif
2956 int width;
2957 fd_set readfds;
2958
2959 /* Set width for a select call if needed */
2960 width = s + 1;
2961
2962 buf = app_malloc(bufsize, "server www buffer");
2963 io = BIO_new(BIO_f_buffer());
2964 ssl_bio = BIO_new(BIO_f_ssl());
2965 if ((io == NULL) || (ssl_bio == NULL))
2966 goto err;
2967
2968 if (s_nbio) {
2969 if (!BIO_socket_nbio(s, 1))
2970 ERR_print_errors(bio_err);
2971 else if (!s_quiet)
2972 BIO_printf(bio_err, "Turned on non blocking io\n");
2973 }
2974
2975 /* lets make the output buffer a reasonable size */
2976 if (!BIO_set_write_buffer_size(io, bufsize))
2977 goto err;
2978
2979 if ((con = SSL_new(ctx)) == NULL)
2980 goto err;
2981
2982 if (s_tlsextdebug) {
2983 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2984 SSL_set_tlsext_debug_arg(con, bio_s_out);
2985 }
2986
2987 if (context != NULL
2988 && !SSL_set_session_id_context(con, context,
2989 strlen((char *)context))) {
2990 SSL_free(con);
2991 goto err;
2992 }
2993
2994 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2995 if (s_nbio_test) {
2996 BIO *test;
2997
2998 test = BIO_new(BIO_f_nbio_test());
2999 sbio = BIO_push(test, sbio);
3000 }
3001 SSL_set_bio(con, sbio, sbio);
3002 SSL_set_accept_state(con);
3003
3004 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3005 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3006 BIO_push(io, ssl_bio);
3007 #ifdef CHARSET_EBCDIC
3008 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3009 #endif
3010
3011 if (s_debug) {
3012 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3013 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3014 }
3015 if (s_msg) {
3016 #ifndef OPENSSL_NO_SSL_TRACE
3017 if (s_msg == 2)
3018 SSL_set_msg_callback(con, SSL_trace);
3019 else
3020 #endif
3021 SSL_set_msg_callback(con, msg_cb);
3022 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3023 }
3024
3025 for (;;) {
3026 i = BIO_gets(io, buf, bufsize - 1);
3027 if (i < 0) { /* error */
3028 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3029 if (!s_quiet)
3030 ERR_print_errors(bio_err);
3031 goto err;
3032 } else {
3033 BIO_printf(bio_s_out, "read R BLOCK\n");
3034 #ifndef OPENSSL_NO_SRP
3035 if (BIO_should_io_special(io)
3036 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3037 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3038 SRP_user_pwd_free(srp_callback_parm.user);
3039 srp_callback_parm.user =
3040 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3041 srp_callback_parm.login);
3042 if (srp_callback_parm.user)
3043 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3044 srp_callback_parm.user->info);
3045 else
3046 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3047 continue;
3048 }
3049 #endif
3050 #if !defined(OPENSSL_SYS_MSDOS)
3051 sleep(1);
3052 #endif
3053 continue;
3054 }
3055 } else if (i == 0) { /* end of input */
3056 ret = 1;
3057 goto end;
3058 }
3059
3060 /* else we have data */
3061 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3062 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3063 char *p;
3064 X509 *peer = NULL;
3065 STACK_OF(SSL_CIPHER) *sk;
3066 static const char *space = " ";
3067
3068 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3069 if (strncmp("GET /renegcert", buf, 14) == 0)
3070 SSL_set_verify(con,
3071 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3072 NULL);
3073 i = SSL_renegotiate(con);
3074 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3075 /* Send the HelloRequest */
3076 i = SSL_do_handshake(con);
3077 if (i <= 0) {
3078 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3079 SSL_get_error(con, i));
3080 ERR_print_errors(bio_err);
3081 goto err;
3082 }
3083 /* Wait for a ClientHello to come back */
3084 FD_ZERO(&readfds);
3085 openssl_fdset(s, &readfds);
3086 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3087 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3088 BIO_printf(bio_s_out,
3089 "Error waiting for client response\n");
3090 ERR_print_errors(bio_err);
3091 goto err;
3092 }
3093 /*
3094 * We're not actually expecting any data here and we ignore
3095 * any that is sent. This is just to force the handshake that
3096 * we're expecting to come from the client. If they haven't
3097 * sent one there's not much we can do.
3098 */
3099 BIO_gets(io, buf, bufsize - 1);
3100 }
3101
3102 BIO_puts(io,
3103 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3104 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3105 BIO_puts(io, "<pre>\n");
3106 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3107 BIO_puts(io, "\n");
3108 for (i = 0; i < local_argc; i++) {
3109 const char *myp;
3110 for (myp = local_argv[i]; *myp; myp++)
3111 switch (*myp) {
3112 case '<':
3113 BIO_puts(io, "&lt;");
3114 break;
3115 case '>':
3116 BIO_puts(io, "&gt;");
3117 break;
3118 case '&':
3119 BIO_puts(io, "&amp;");
3120 break;
3121 default:
3122 BIO_write(io, myp, 1);
3123 break;
3124 }
3125 BIO_write(io, " ", 1);
3126 }
3127 BIO_puts(io, "\n");
3128
3129 BIO_printf(io,
3130 "Secure Renegotiation IS%s supported\n",
3131 SSL_get_secure_renegotiation_support(con) ?
3132 "" : " NOT");
3133
3134 /*
3135 * The following is evil and should not really be done
3136 */
3137 BIO_printf(io, "Ciphers supported in s_server binary\n");
3138 sk = SSL_get_ciphers(con);
3139 j = sk_SSL_CIPHER_num(sk);
3140 for (i = 0; i < j; i++) {
3141 c = sk_SSL_CIPHER_value(sk, i);
3142 BIO_printf(io, "%-11s:%-25s ",
3143 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3144 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3145 BIO_puts(io, "\n");
3146 }
3147 BIO_puts(io, "\n");
3148 p = SSL_get_shared_ciphers(con, buf, bufsize);
3149 if (p != NULL) {
3150 BIO_printf(io,
3151 "---\nCiphers common between both SSL end points:\n");
3152 j = i = 0;
3153 while (*p) {
3154 if (*p == ':') {
3155 BIO_write(io, space, 26 - j);
3156 i++;
3157 j = 0;
3158 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3159 } else {
3160 BIO_write(io, p, 1);
3161 j++;
3162 }
3163 p++;
3164 }
3165 BIO_puts(io, "\n");
3166 }
3167 ssl_print_sigalgs(io, con);
3168 #ifndef OPENSSL_NO_EC
3169 ssl_print_groups(io, con, 0);
3170 #endif
3171 print_ca_names(io, con);
3172 BIO_printf(io, (SSL_session_reused(con)
3173 ? "---\nReused, " : "---\nNew, "));
3174 c = SSL_get_current_cipher(con);
3175 BIO_printf(io, "%s, Cipher is %s\n",
3176 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3177 SSL_SESSION_print(io, SSL_get_session(con));
3178 BIO_printf(io, "---\n");
3179 print_stats(io, SSL_get_SSL_CTX(con));
3180 BIO_printf(io, "---\n");
3181 peer = SSL_get_peer_certificate(con);
3182 if (peer != NULL) {
3183 BIO_printf(io, "Client certificate\n");
3184 X509_print(io, peer);
3185 PEM_write_bio_X509(io, peer);
3186 X509_free(peer);
3187 peer = NULL;
3188 } else {
3189 BIO_puts(io, "no client certificate available\n");
3190 }
3191 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3192 break;
3193 } else if ((www == 2 || www == 3)
3194 && (strncmp("GET /", buf, 5) == 0)) {
3195 BIO *file;
3196 char *p, *e;
3197 static const char *text =
3198 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3199
3200 /* skip the '/' */
3201 p = &(buf[5]);
3202
3203 dot = 1;
3204 for (e = p; *e != '\0'; e++) {
3205 if (e[0] == ' ')
3206 break;
3207
3208 if (e[0] == ':') {
3209 /* Windows drive. We treat this the same way as ".." */
3210 dot = -1;
3211 break;
3212 }
3213
3214 switch (dot) {
3215 case 1:
3216 dot = (e[0] == '.') ? 2 : 0;
3217 break;
3218 case 2:
3219 dot = (e[0] == '.') ? 3 : 0;
3220 break;
3221 case 3:
3222 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
3223 break;
3224 }
3225 if (dot == 0)
3226 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
3227 }
3228 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3229 * component */
3230
3231 if (*e == '\0') {
3232 BIO_puts(io, text);
3233 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3234 break;
3235 }
3236 *e = '\0';
3237
3238 if (dot) {
3239 BIO_puts(io, text);
3240 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
3241 break;
3242 }
3243
3244 if (*p == '/' || *p == '\\') {
3245 BIO_puts(io, text);
3246 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3247 break;
3248 }
3249
3250 /* if a directory, do the index thang */
3251 if (app_isdir(p) > 0) {
3252 BIO_puts(io, text);
3253 BIO_printf(io, "'%s' is a directory\r\n", p);
3254 break;
3255 }
3256
3257 if ((file = BIO_new_file(p, "r")) == NULL) {
3258 BIO_puts(io, text);
3259 BIO_printf(io, "Error opening '%s'\r\n", p);
3260 ERR_print_errors(io);
3261 break;
3262 }
3263
3264 if (!s_quiet)
3265 BIO_printf(bio_err, "FILE:%s\n", p);
3266
3267 if (www == 2) {
3268 i = strlen(p);
3269 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3270 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3271 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3272 BIO_puts(io,
3273 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3274 else
3275 BIO_puts(io,
3276 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3277 }
3278 /* send the file */
3279 for (;;) {
3280 i = BIO_read(file, buf, bufsize);
3281 if (i <= 0)
3282 break;
3283
3284 #ifdef RENEG
3285 total_bytes += i;
3286 BIO_printf(bio_err, "%d\n", i);
3287 if (total_bytes > 3 * 1024) {
3288 total_bytes = 0;
3289 BIO_printf(bio_err, "RENEGOTIATE\n");
3290 SSL_renegotiate(con);
3291 }
3292 #endif
3293
3294 for (j = 0; j < i;) {
3295 #ifdef RENEG
3296 static count = 0;
3297 if (++count == 13) {
3298 SSL_renegotiate(con);
3299 }
3300 #endif
3301 k = BIO_write(io, &(buf[j]), i - j);
3302 if (k <= 0) {
3303 if (!BIO_should_retry(io)
3304 && !SSL_waiting_for_async(con))
3305 goto write_error;
3306 else {
3307 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3308 }
3309 } else {
3310 j += k;
3311 }
3312 }
3313 }
3314 write_error:
3315 BIO_free(file);
3316 break;
3317 }
3318 }
3319
3320 for (;;) {
3321 i = (int)BIO_flush(io);
3322 if (i <= 0) {
3323 if (!BIO_should_retry(io))
3324 break;
3325 } else
3326 break;
3327 }
3328 end:
3329 /* make sure we re-use sessions */
3330 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3331
3332 err:
3333 OPENSSL_free(buf);
3334 BIO_free_all(io);
3335 return ret;
3336 }
3337
3338 static int rev_body(int s, int stype, int prot, unsigned char *context)
3339 {
3340 char *buf = NULL;
3341 int i;
3342 int ret = 1;
3343 SSL *con;
3344 BIO *io, *ssl_bio, *sbio;
3345
3346 buf = app_malloc(bufsize, "server rev buffer");
3347 io = BIO_new(BIO_f_buffer());
3348 ssl_bio = BIO_new(BIO_f_ssl());
3349 if ((io == NULL) || (ssl_bio == NULL))
3350 goto err;
3351
3352 /* lets make the output buffer a reasonable size */
3353 if (!BIO_set_write_buffer_size(io, bufsize))
3354 goto err;
3355
3356 if ((con = SSL_new(ctx)) == NULL)
3357 goto err;
3358
3359 if (s_tlsextdebug) {
3360 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3361 SSL_set_tlsext_debug_arg(con, bio_s_out);
3362 }
3363 if (context != NULL
3364 && !SSL_set_session_id_context(con, context,
3365 strlen((char *)context))) {
3366 SSL_free(con);
3367 ERR_print_errors(bio_err);
3368 goto err;
3369 }
3370
3371 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3372 SSL_set_bio(con, sbio, sbio);
3373 SSL_set_accept_state(con);
3374
3375 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3376 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3377 BIO_push(io, ssl_bio);
3378 #ifdef CHARSET_EBCDIC
3379 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3380 #endif
3381
3382 if (s_debug) {
3383 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3384 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3385 }
3386 if (s_msg) {
3387 #ifndef OPENSSL_NO_SSL_TRACE
3388 if (s_msg == 2)
3389 SSL_set_msg_callback(con, SSL_trace);
3390 else
3391 #endif
3392 SSL_set_msg_callback(con, msg_cb);
3393 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3394 }
3395
3396 for (;;) {
3397 i = BIO_do_handshake(io);
3398 if (i > 0)
3399 break;
3400 if (!BIO_should_retry(io)) {
3401 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3402 ERR_print_errors(bio_err);
3403 goto end;
3404 }
3405 #ifndef OPENSSL_NO_SRP
3406 if (BIO_should_io_special(io)
3407 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3408 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3409 SRP_user_pwd_free(srp_callback_parm.user);
3410 srp_callback_parm.user =
3411 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3412 srp_callback_parm.login);
3413 if (srp_callback_parm.user)
3414 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3415 srp_callback_parm.user->info);
3416 else
3417 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3418 continue;
3419 }
3420 #endif
3421 }
3422 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3423 print_ssl_summary(con);
3424
3425 for (;;) {
3426 i = BIO_gets(io, buf, bufsize - 1);
3427 if (i < 0) { /* error */
3428 if (!BIO_should_retry(io)) {
3429 if (!s_quiet)
3430 ERR_print_errors(bio_err);
3431 goto err;
3432 } else {
3433 BIO_printf(bio_s_out, "read R BLOCK\n");
3434 #ifndef OPENSSL_NO_SRP
3435 if (BIO_should_io_special(io)
3436 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3437 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3438 SRP_user_pwd_free(srp_callback_parm.user);
3439 srp_callback_parm.user =
3440 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3441 srp_callback_parm.login);
3442 if (srp_callback_parm.user)
3443 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3444 srp_callback_parm.user->info);
3445 else
3446 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3447 continue;
3448 }
3449 #endif
3450 #if !defined(OPENSSL_SYS_MSDOS)
3451 sleep(1);
3452 #endif
3453 continue;
3454 }
3455 } else if (i == 0) { /* end of input */
3456 ret = 1;
3457 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3458 goto end;
3459 } else {
3460 char *p = buf + i - 1;
3461 while (i && (*p == '\n' || *p == '\r')) {
3462 p--;
3463 i--;
3464 }
3465 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3466 ret = 1;
3467 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3468 goto end;
3469 }
3470 BUF_reverse((unsigned char *)buf, NULL, i);
3471 buf[i] = '\n';
3472 BIO_write(io, buf, i + 1);
3473 for (;;) {
3474 i = BIO_flush(io);
3475 if (i > 0)
3476 break;
3477 if (!BIO_should_retry(io))
3478 goto end;
3479 }
3480 }
3481 }
3482 end:
3483 /* make sure we re-use sessions */
3484 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3485
3486 err:
3487
3488 OPENSSL_free(buf);
3489 BIO_free_all(io);
3490 return ret;
3491 }
3492
3493 #define MAX_SESSION_ID_ATTEMPTS 10
3494 static int generate_session_id(SSL *ssl, unsigned char *id,
3495 unsigned int *id_len)
3496 {
3497 unsigned int count = 0;
3498 do {
3499 if (RAND_bytes(id, *id_len) <= 0)
3500 return 0;
3501 /*
3502 * Prefix the session_id with the required prefix. NB: If our prefix
3503 * is too long, clip it - but there will be worse effects anyway, eg.
3504 * the server could only possibly create 1 session ID (ie. the
3505 * prefix!) so all future session negotiations will fail due to
3506 * conflicts.
3507 */
3508 memcpy(id, session_id_prefix,
3509 (strlen(session_id_prefix) < *id_len) ?
3510 strlen(session_id_prefix) : *id_len);
3511 }
3512 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3513 (++count < MAX_SESSION_ID_ATTEMPTS));
3514 if (count >= MAX_SESSION_ID_ATTEMPTS)
3515 return 0;
3516 return 1;
3517 }
3518
3519 /*
3520 * By default s_server uses an in-memory cache which caches SSL_SESSION
3521 * structures without any serialisation. This hides some bugs which only
3522 * become apparent in deployed servers. By implementing a basic external
3523 * session cache some issues can be debugged using s_server.
3524 */
3525
3526 typedef struct simple_ssl_session_st {
3527 unsigned char *id;
3528 unsigned int idlen;
3529 unsigned char *der;
3530 int derlen;
3531 struct simple_ssl_session_st *next;
3532 } simple_ssl_session;
3533
3534 static simple_ssl_session *first = NULL;
3535
3536 static int add_session(SSL *ssl, SSL_SESSION *session)
3537 {
3538 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3539 unsigned char *p;
3540
3541 SSL_SESSION_get_id(session, &sess->idlen);
3542 sess->derlen = i2d_SSL_SESSION(session, NULL);
3543 if (sess->derlen < 0) {
3544 BIO_printf(bio_err, "Error encoding session\n");
3545 OPENSSL_free(sess);
3546 return 0;
3547 }
3548
3549 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3550 sess->der = app_malloc(sess->derlen, "get session buffer");
3551 if (!sess->id) {
3552 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3553 OPENSSL_free(sess->id);
3554 OPENSSL_free(sess->der);
3555 OPENSSL_free(sess);
3556 return 0;
3557 }
3558 p = sess->der;
3559
3560 /* Assume it still works. */
3561 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3562 BIO_printf(bio_err, "Unexpected session encoding length\n");
3563 OPENSSL_free(sess->id);
3564 OPENSSL_free(sess->der);
3565 OPENSSL_free(sess);
3566 return 0;
3567 }
3568
3569 sess->next = first;
3570 first = sess;
3571 BIO_printf(bio_err, "New session added to external cache\n");
3572 return 0;
3573 }
3574
3575 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3576 int *do_copy)
3577 {
3578 simple_ssl_session *sess;
3579 *do_copy = 0;
3580 for (sess = first; sess; sess = sess->next) {
3581 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3582 const unsigned char *p = sess->der;
3583 BIO_printf(bio_err, "Lookup session: cache hit\n");
3584 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3585 }
3586 }
3587 BIO_printf(bio_err, "Lookup session: cache miss\n");
3588 return NULL;
3589 }
3590
3591 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3592 {
3593 simple_ssl_session *sess, *prev = NULL;
3594 const unsigned char *id;
3595 unsigned int idlen;
3596 id = SSL_SESSION_get_id(session, &idlen);
3597 for (sess = first; sess; sess = sess->next) {
3598 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3599 if (prev)
3600 prev->next = sess->next;
3601 else
3602 first = sess->next;
3603 OPENSSL_free(sess->id);
3604 OPENSSL_free(sess->der);
3605 OPENSSL_free(sess);
3606 return;
3607 }
3608 prev = sess;
3609 }
3610 }
3611
3612 static void init_session_cache_ctx(SSL_CTX *sctx)
3613 {
3614 SSL_CTX_set_session_cache_mode(sctx,
3615 SSL_SESS_CACHE_NO_INTERNAL |
3616 SSL_SESS_CACHE_SERVER);
3617 SSL_CTX_sess_set_new_cb(sctx, add_session);
3618 SSL_CTX_sess_set_get_cb(sctx, get_session);
3619 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3620 }
3621
3622 static void free_sessions(void)
3623 {
3624 simple_ssl_session *sess, *tsess;
3625 for (sess = first; sess;) {
3626 OPENSSL_free(sess->id);
3627 OPENSSL_free(sess->der);
3628 tsess = sess;
3629 sess = sess->next;
3630 OPENSSL_free(tsess);
3631 }
3632 first = NULL;
3633 }
3634
3635 #endif /* OPENSSL_NO_SOCK */
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