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Provided support for the -nameopt flag in s_client, s_server and s_time
[thirdparty/openssl.git] / apps / s_server.c
1 /*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 /* ====================================================================
11 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
12 * ECC cipher suite support in OpenSSL originally developed by
13 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
14 */
15 /* ====================================================================
16 * Copyright 2005 Nokia. All rights reserved.
17 *
18 * The portions of the attached software ("Contribution") is developed by
19 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
20 * license.
21 *
22 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
23 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
24 * support (see RFC 4279) to OpenSSL.
25 *
26 * No patent licenses or other rights except those expressly stated in
27 * the OpenSSL open source license shall be deemed granted or received
28 * expressly, by implication, estoppel, or otherwise.
29 *
30 * No assurances are provided by Nokia that the Contribution does not
31 * infringe the patent or other intellectual property rights of any third
32 * party or that the license provides you with all the necessary rights
33 * to make use of the Contribution.
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
36 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
37 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
38 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
39 * OTHERWISE.
40 */
41
42 #include <ctype.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46 #if defined(_WIN32)
47 /* Included before async.h to avoid some warnings */
48 # include <windows.h>
49 #endif
50
51 #include <openssl/e_os2.h>
52 #include <openssl/async.h>
53 #include <openssl/ssl.h>
54
55 #ifndef OPENSSL_NO_SOCK
56
57 /*
58 * With IPv6, it looks like Digital has mixed up the proper order of
59 * recursive header file inclusion, resulting in the compiler complaining
60 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
61 * needed to have fileno() declared correctly... So let's define u_int
62 */
63 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
64 # define __U_INT
65 typedef unsigned int u_int;
66 #endif
67
68 #include <openssl/lhash.h>
69 #include <openssl/bn.h>
70 #define USE_SOCKETS
71 #include "apps.h"
72 #include <openssl/err.h>
73 #include <openssl/pem.h>
74 #include <openssl/x509.h>
75 #include <openssl/ssl.h>
76 #include <openssl/rand.h>
77 #include <openssl/ocsp.h>
78 #ifndef OPENSSL_NO_DH
79 # include <openssl/dh.h>
80 #endif
81 #ifndef OPENSSL_NO_RSA
82 # include <openssl/rsa.h>
83 #endif
84 #ifndef OPENSSL_NO_SRP
85 # include <openssl/srp.h>
86 #endif
87 #include "s_apps.h"
88 #include "timeouts.h"
89 #ifdef CHARSET_EBCDIC
90 #include <openssl/ebcdic.h>
91 #endif
92
93 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
94 static int sv_body(int s, int stype, unsigned char *context);
95 static int www_body(int s, int stype, unsigned char *context);
96 static int rev_body(int s, int stype, unsigned char *context);
97 static void close_accept_socket(void);
98 static int init_ssl_connection(SSL *s);
99 static void print_stats(BIO *bp, SSL_CTX *ctx);
100 static int generate_session_id(const SSL *ssl, unsigned char *id,
101 unsigned int *id_len);
102 static void init_session_cache_ctx(SSL_CTX *sctx);
103 static void free_sessions(void);
104 #ifndef OPENSSL_NO_DH
105 static DH *load_dh_param(const char *dhfile);
106 #endif
107
108 /* static int load_CA(SSL_CTX *ctx, char *file);*/
109
110 static const int bufsize = 16 * 1024;
111 static int accept_socket = -1;
112
113 #define TEST_CERT "server.pem"
114 #define TEST_CERT2 "server2.pem"
115
116 static int s_nbio = 0;
117 static int s_nbio_test = 0;
118 static int s_crlf = 0;
119 static SSL_CTX *ctx = NULL;
120 static SSL_CTX *ctx2 = NULL;
121 static int www = 0;
122
123 static BIO *bio_s_out = NULL;
124 static BIO *bio_s_msg = NULL;
125 static int s_debug = 0;
126 static int s_tlsextdebug = 0;
127 static int s_msg = 0;
128 static int s_quiet = 0;
129 static int s_ign_eof = 0;
130 static int s_brief = 0;
131
132 static char *keymatexportlabel = NULL;
133 static int keymatexportlen = 20;
134
135 static int async = 0;
136
137 static const char *session_id_prefix = NULL;
138
139 #ifndef OPENSSL_NO_DTLS
140 static int enable_timeouts = 0;
141 static long socket_mtu;
142
143 #endif
144 static int dtlslisten = 0;
145
146 #ifndef OPENSSL_NO_PSK
147 static char *psk_identity = "Client_identity";
148 char *psk_key = NULL; /* by default PSK is not used */
149
150 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
151 unsigned char *psk,
152 unsigned int max_psk_len)
153 {
154 long key_len = 0;
155 unsigned char *key;
156
157 if (s_debug)
158 BIO_printf(bio_s_out, "psk_server_cb\n");
159 if (!identity) {
160 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
161 goto out_err;
162 }
163 if (s_debug)
164 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
165 (int)strlen(identity), identity);
166
167 /* here we could lookup the given identity e.g. from a database */
168 if (strcmp(identity, psk_identity) != 0) {
169 BIO_printf(bio_s_out, "PSK error: client identity not found"
170 " (got '%s' expected '%s')\n", identity, psk_identity);
171 goto out_err;
172 }
173 if (s_debug)
174 BIO_printf(bio_s_out, "PSK client identity found\n");
175
176 /* convert the PSK key to binary */
177 key = OPENSSL_hexstr2buf(psk_key, &key_len);
178 if (key == NULL) {
179 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
180 psk_key);
181 return 0;
182 }
183 if (key_len > (int)max_psk_len) {
184 BIO_printf(bio_err,
185 "psk buffer of callback is too small (%d) for key (%ld)\n",
186 max_psk_len, key_len);
187 OPENSSL_free(key);
188 return 0;
189 }
190
191 memcpy(psk, key, key_len);
192 OPENSSL_free(key);
193
194 if (s_debug)
195 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
196 return key_len;
197 out_err:
198 if (s_debug)
199 BIO_printf(bio_err, "Error in PSK server callback\n");
200 (void)BIO_flush(bio_err);
201 (void)BIO_flush(bio_s_out);
202 return 0;
203 }
204 #endif
205
206 #ifndef OPENSSL_NO_SRP
207 /* This is a context that we pass to callbacks */
208 typedef struct srpsrvparm_st {
209 char *login;
210 SRP_VBASE *vb;
211 SRP_user_pwd *user;
212 } srpsrvparm;
213
214 /*
215 * This callback pretends to require some asynchronous logic in order to
216 * obtain a verifier. When the callback is called for a new connection we
217 * return with a negative value. This will provoke the accept etc to return
218 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
219 * (which would normally occur after a worker has finished) and we set the
220 * user parameters.
221 */
222 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
223 {
224 srpsrvparm *p = (srpsrvparm *) arg;
225 int ret = SSL3_AL_FATAL;
226
227 if (p->login == NULL && p->user == NULL) {
228 p->login = SSL_get_srp_username(s);
229 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
230 return (-1);
231 }
232
233 if (p->user == NULL) {
234 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
235 goto err;
236 }
237
238 if (SSL_set_srp_server_param
239 (s, p->user->N, p->user->g, p->user->s, p->user->v,
240 p->user->info) < 0) {
241 *ad = SSL_AD_INTERNAL_ERROR;
242 goto err;
243 }
244 BIO_printf(bio_err,
245 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
246 p->login, p->user->info);
247 ret = SSL_ERROR_NONE;
248
249 err:
250 SRP_user_pwd_free(p->user);
251 p->user = NULL;
252 p->login = NULL;
253 return ret;
254 }
255
256 #endif
257
258 static int local_argc = 0;
259 static char **local_argv;
260
261 #ifdef CHARSET_EBCDIC
262 static int ebcdic_new(BIO *bi);
263 static int ebcdic_free(BIO *a);
264 static int ebcdic_read(BIO *b, char *out, int outl);
265 static int ebcdic_write(BIO *b, const char *in, int inl);
266 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
267 static int ebcdic_gets(BIO *bp, char *buf, int size);
268 static int ebcdic_puts(BIO *bp, const char *str);
269
270 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
271 static BIO_METHOD *methods_ebcdic = NULL;
272
273 /* This struct is "unwarranted chumminess with the compiler." */
274 typedef struct {
275 size_t alloced;
276 char buff[1];
277 } EBCDIC_OUTBUFF;
278
279 static const BIO_METHOD *BIO_f_ebcdic_filter()
280 {
281 if (methods_ebcdic == NULL) {
282 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
283 "EBCDIC/ASCII filter");
284 if (methods_ebcdic == NULL
285 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
286 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
287 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
288 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
289 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
290 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
291 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
292 return NULL;
293 }
294 return methods_ebcdic;
295 }
296
297 static int ebcdic_new(BIO *bi)
298 {
299 EBCDIC_OUTBUFF *wbuf;
300
301 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
302 wbuf->alloced = 1024;
303 wbuf->buff[0] = '\0';
304
305 BIO_set_data(bi, wbuf);
306 BIO_set_init(bi, 1);
307 return 1;
308 }
309
310 static int ebcdic_free(BIO *a)
311 {
312 EBCDIC_OUTBUFF *wbuf;
313
314 if (a == NULL)
315 return 0;
316 wbuf = BIO_get_data(a);
317 OPENSSL_free(wbuf);
318 BIO_set_data(a, NULL);
319 BIO_set_init(a, 0);
320
321 return 1;
322 }
323
324 static int ebcdic_read(BIO *b, char *out, int outl)
325 {
326 int ret = 0;
327 BIO *next = BIO_next(b);
328
329 if (out == NULL || outl == 0)
330 return (0);
331 if (next == NULL)
332 return (0);
333
334 ret = BIO_read(next, out, outl);
335 if (ret > 0)
336 ascii2ebcdic(out, out, ret);
337 return ret;
338 }
339
340 static int ebcdic_write(BIO *b, const char *in, int inl)
341 {
342 EBCDIC_OUTBUFF *wbuf;
343 BIO *next = BIO_next(b);
344 int ret = 0;
345 int num;
346
347 if ((in == NULL) || (inl <= 0))
348 return (0);
349 if (next == NULL)
350 return 0;
351
352 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
353
354 if (inl > (num = wbuf->alloced)) {
355 num = num + num; /* double the size */
356 if (num < inl)
357 num = inl;
358 OPENSSL_free(wbuf);
359 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
360
361 wbuf->alloced = num;
362 wbuf->buff[0] = '\0';
363
364 BIO_set_data(b, wbuf);
365 }
366
367 ebcdic2ascii(wbuf->buff, in, inl);
368
369 ret = BIO_write(next, wbuf->buff, inl);
370
371 return (ret);
372 }
373
374 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
375 {
376 long ret;
377 BIO *next = BIO_next(b);
378
379 if (next == NULL)
380 return (0);
381 switch (cmd) {
382 case BIO_CTRL_DUP:
383 ret = 0L;
384 break;
385 default:
386 ret = BIO_ctrl(next, cmd, num, ptr);
387 break;
388 }
389 return (ret);
390 }
391
392 static int ebcdic_gets(BIO *bp, char *buf, int size)
393 {
394 int i, ret = 0;
395 BIO *next = BIO_next(bp);
396
397 if (next == NULL)
398 return 0;
399 /* return(BIO_gets(bp->next_bio,buf,size));*/
400 for (i = 0; i < size - 1; ++i) {
401 ret = ebcdic_read(bp, &buf[i], 1);
402 if (ret <= 0)
403 break;
404 else if (buf[i] == '\n') {
405 ++i;
406 break;
407 }
408 }
409 if (i < size)
410 buf[i] = '\0';
411 return (ret < 0 && i == 0) ? ret : i;
412 }
413
414 static int ebcdic_puts(BIO *bp, const char *str)
415 {
416 if (BIO_next(bp) == NULL)
417 return 0;
418 return ebcdic_write(bp, str, strlen(str));
419 }
420 #endif
421
422 /* This is a context that we pass to callbacks */
423 typedef struct tlsextctx_st {
424 char *servername;
425 BIO *biodebug;
426 int extension_error;
427 } tlsextctx;
428
429 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
430 {
431 tlsextctx *p = (tlsextctx *) arg;
432 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
433 if (servername && p->biodebug)
434 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
435 servername);
436
437 if (!p->servername)
438 return SSL_TLSEXT_ERR_NOACK;
439
440 if (servername) {
441 if (strcasecmp(servername, p->servername))
442 return p->extension_error;
443 if (ctx2) {
444 BIO_printf(p->biodebug, "Switching server context.\n");
445 SSL_set_SSL_CTX(s, ctx2);
446 }
447 }
448 return SSL_TLSEXT_ERR_OK;
449 }
450
451 /* Structure passed to cert status callback */
452
453 typedef struct tlsextstatusctx_st {
454 int timeout;
455 /* File to load OCSP Response from (or NULL if no file) */
456 char *respin;
457 /* Default responder to use */
458 char *host, *path, *port;
459 int use_ssl;
460 int verbose;
461 } tlsextstatusctx;
462
463 static tlsextstatusctx tlscstatp = { -1 };
464
465 #ifndef OPENSSL_NO_OCSP
466
467 /*
468 * Helper function to get an OCSP_RESPONSE from a responder. This is a
469 * simplified version. It examines certificates each time and makes one OCSP
470 * responder query for each request. A full version would store details such as
471 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
472 * them until they were considered "expired".
473 */
474 static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
475 OCSP_RESPONSE **resp)
476 {
477 char *host = NULL, *port = NULL, *path = NULL;
478 int use_ssl;
479 STACK_OF(OPENSSL_STRING) *aia = NULL;
480 X509 *x = NULL;
481 X509_STORE_CTX *inctx = NULL;
482 X509_OBJECT *obj;
483 OCSP_REQUEST *req = NULL;
484 OCSP_CERTID *id = NULL;
485 STACK_OF(X509_EXTENSION) *exts;
486 int ret = SSL_TLSEXT_ERR_NOACK;
487 int i;
488
489 /* Build up OCSP query from server certificate */
490 x = SSL_get_certificate(s);
491 aia = X509_get1_ocsp(x);
492 if (aia) {
493 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
494 &host, &port, &path, &use_ssl)) {
495 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
496 goto err;
497 }
498 if (srctx->verbose)
499 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
500 sk_OPENSSL_STRING_value(aia, 0));
501 } else {
502 if (!srctx->host) {
503 BIO_puts(bio_err,
504 "cert_status: no AIA and no default responder URL\n");
505 goto done;
506 }
507 host = srctx->host;
508 path = srctx->path;
509 port = srctx->port;
510 use_ssl = srctx->use_ssl;
511 }
512
513 inctx = X509_STORE_CTX_new();
514 if (inctx == NULL)
515 goto err;
516 if (!X509_STORE_CTX_init(inctx,
517 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
518 NULL, NULL))
519 goto err;
520 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
521 X509_get_issuer_name(x));
522 if (obj == NULL) {
523 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
524 goto done;
525 }
526 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
527 X509_OBJECT_free(obj);
528 if (!id)
529 goto err;
530 req = OCSP_REQUEST_new();
531 if (req == NULL)
532 goto err;
533 if (!OCSP_request_add0_id(req, id))
534 goto err;
535 id = NULL;
536 /* Add any extensions to the request */
537 SSL_get_tlsext_status_exts(s, &exts);
538 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
539 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
540 if (!OCSP_REQUEST_add_ext(req, ext, -1))
541 goto err;
542 }
543 *resp = process_responder(req, host, path, port, use_ssl, NULL,
544 srctx->timeout);
545 if (*resp == NULL) {
546 BIO_puts(bio_err, "cert_status: error querying responder\n");
547 goto done;
548 }
549
550 ret = SSL_TLSEXT_ERR_OK;
551 goto done;
552
553 err:
554 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
555 done:
556 /*
557 * If we parsed aia we need to free; otherwise they were copied and we
558 * don't
559 */
560 if (aia != NULL) {
561 OPENSSL_free(host);
562 OPENSSL_free(path);
563 OPENSSL_free(port);
564 X509_email_free(aia);
565 }
566 OCSP_CERTID_free(id);
567 OCSP_REQUEST_free(req);
568 X509_STORE_CTX_free(inctx);
569 return ret;
570 }
571
572 /*
573 * Certificate Status callback. This is called when a client includes a
574 * certificate status request extension. The response is either obtained from a
575 * file, or from an OCSP responder.
576 */
577 static int cert_status_cb(SSL *s, void *arg)
578 {
579 tlsextstatusctx *srctx = arg;
580 OCSP_RESPONSE *resp = NULL;
581 unsigned char *rspder = NULL;
582 int rspderlen;
583 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
584
585 if (srctx->verbose)
586 BIO_puts(bio_err, "cert_status: callback called\n");
587
588 if (srctx->respin != NULL) {
589 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
590 if (derbio == NULL) {
591 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
592 goto err;
593 }
594 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
595 BIO_free(derbio);
596 if (resp == NULL) {
597 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
598 goto err;
599 }
600 } else {
601 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
602 if (ret != SSL_TLSEXT_ERR_OK)
603 goto err;
604 }
605
606 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
607 if (rspderlen <= 0)
608 goto err;
609
610 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
611 if (srctx->verbose) {
612 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
613 OCSP_RESPONSE_print(bio_err, resp, 2);
614 }
615
616 ret = SSL_TLSEXT_ERR_OK;
617
618 err:
619 if (ret != SSL_TLSEXT_ERR_OK)
620 ERR_print_errors(bio_err);
621
622 OCSP_RESPONSE_free(resp);
623
624 return ret;
625 }
626 #endif
627
628 #ifndef OPENSSL_NO_NEXTPROTONEG
629 /* This is the context that we pass to next_proto_cb */
630 typedef struct tlsextnextprotoctx_st {
631 unsigned char *data;
632 unsigned int len;
633 } tlsextnextprotoctx;
634
635 static int next_proto_cb(SSL *s, const unsigned char **data,
636 unsigned int *len, void *arg)
637 {
638 tlsextnextprotoctx *next_proto = arg;
639
640 *data = next_proto->data;
641 *len = next_proto->len;
642
643 return SSL_TLSEXT_ERR_OK;
644 }
645 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
646
647 /* This the context that we pass to alpn_cb */
648 typedef struct tlsextalpnctx_st {
649 unsigned char *data;
650 size_t len;
651 } tlsextalpnctx;
652
653 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
654 const unsigned char *in, unsigned int inlen, void *arg)
655 {
656 tlsextalpnctx *alpn_ctx = arg;
657
658 if (!s_quiet) {
659 /* We can assume that |in| is syntactically valid. */
660 unsigned int i;
661 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
662 for (i = 0; i < inlen;) {
663 if (i)
664 BIO_write(bio_s_out, ", ", 2);
665 BIO_write(bio_s_out, &in[i + 1], in[i]);
666 i += in[i] + 1;
667 }
668 BIO_write(bio_s_out, "\n", 1);
669 }
670
671 if (SSL_select_next_proto
672 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
673 inlen) != OPENSSL_NPN_NEGOTIATED) {
674 return SSL_TLSEXT_ERR_NOACK;
675 }
676
677 if (!s_quiet) {
678 BIO_printf(bio_s_out, "ALPN protocols selected: ");
679 BIO_write(bio_s_out, *out, *outlen);
680 BIO_write(bio_s_out, "\n", 1);
681 }
682
683 return SSL_TLSEXT_ERR_OK;
684 }
685
686 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
687 {
688 /* disable resumption for sessions with forward secure ciphers */
689 return is_forward_secure;
690 }
691
692 #ifndef OPENSSL_NO_SRP
693 static srpsrvparm srp_callback_parm;
694 #endif
695 #ifndef OPENSSL_NO_SRTP
696 static char *srtp_profiles = NULL;
697 #endif
698
699 typedef enum OPTION_choice {
700 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
701 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
702 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
703 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
704 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
705 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
706 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
707 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
708 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
709 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
710 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
711 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
712 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
713 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
714 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
715 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
716 OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
717 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
718 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
719 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
720 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
721 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
722 OPT_KEYLOG_FILE,
723 OPT_S_ENUM,
724 OPT_V_ENUM,
725 OPT_X_ENUM
726 } OPTION_CHOICE;
727
728 const OPTIONS s_server_options[] = {
729 {"help", OPT_HELP, '-', "Display this summary"},
730 {"port", OPT_PORT, 'p',
731 "TCP/IP port to listen on for connections (default is " PORT ")"},
732 {"accept", OPT_ACCEPT, 's',
733 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
734 #ifdef AF_UNIX
735 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
736 #endif
737 {"4", OPT_4, '-', "Use IPv4 only"},
738 {"6", OPT_6, '-', "Use IPv6 only"},
739 #ifdef AF_UNIX
740 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
741 #endif
742 {"context", OPT_CONTEXT, 's', "Set session ID context"},
743 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
744 {"Verify", OPT_UPPER_V_VERIFY, 'n',
745 "Turn on peer certificate verification, must have a cert"},
746 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
747 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
748 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
749 {"serverinfo", OPT_SERVERINFO, 's',
750 "PEM serverinfo file for certificate"},
751 {"certform", OPT_CERTFORM, 'F',
752 "Certificate format (PEM or DER) PEM default"},
753 {"key", OPT_KEY, '<',
754 "Private Key if not in -cert; default is " TEST_CERT},
755 {"keyform", OPT_KEYFORM, 'f',
756 "Key format (PEM, DER or ENGINE) PEM default"},
757 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
758 {"dcert", OPT_DCERT, '<',
759 "Second certificate file to use (usually for DSA)"},
760 {"dcertform", OPT_DCERTFORM, 'F',
761 "Second certificate format (PEM or DER) PEM default"},
762 {"dkey", OPT_DKEY, '<',
763 "Second private key file to use (usually for DSA)"},
764 {"dkeyform", OPT_DKEYFORM, 'F',
765 "Second key format (PEM, DER or ENGINE) PEM default"},
766 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
767 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
768 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
769 {"debug", OPT_DEBUG, '-', "Print more output"},
770 {"msg", OPT_MSG, '-', "Show protocol messages"},
771 {"msgfile", OPT_MSGFILE, '>',
772 "File to send output of -msg or -trace, instead of stdout"},
773 {"state", OPT_STATE, '-', "Print the SSL states"},
774 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
775 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
776 {"no-CAfile", OPT_NOCAFILE, '-',
777 "Do not load the default certificates file"},
778 {"no-CApath", OPT_NOCAPATH, '-',
779 "Do not load certificates from the default certificates directory"},
780 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
781 {"quiet", OPT_QUIET, '-', "No server output"},
782 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
783 "Disable caching and tickets if ephemeral (EC)DH is used"},
784 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
785 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
786 {"servername", OPT_SERVERNAME, 's',
787 "Servername for HostName TLS extension"},
788 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
789 "mismatch send fatal alert (default warning alert)"},
790 {"cert2", OPT_CERT2, '<',
791 "Certificate file to use for servername; default is" TEST_CERT2},
792 {"key2", OPT_KEY2, '<',
793 "-Private Key file to use for servername if not in -cert2"},
794 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
795 "Hex dump of all TLS extensions received"},
796 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
797 {"id_prefix", OPT_ID_PREFIX, 's',
798 "Generate SSL/TLS session IDs prefixed by arg"},
799 {"rand", OPT_RAND, 's',
800 "Load the file(s) into the random number generator"},
801 {"keymatexport", OPT_KEYMATEXPORT, 's',
802 "Export keying material using label"},
803 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
804 "Export len bytes of keying material (default 20)"},
805 {"CRL", OPT_CRL, '<', "CRL file to use"},
806 {"crl_download", OPT_CRL_DOWNLOAD, '-',
807 "Download CRL from distribution points"},
808 {"cert_chain", OPT_CERT_CHAIN, '<',
809 "certificate chain file in PEM format"},
810 {"dcert_chain", OPT_DCERT_CHAIN, '<',
811 "second certificate chain file in PEM format"},
812 {"chainCApath", OPT_CHAINCAPATH, '/',
813 "use dir as certificate store path to build CA certificate chain"},
814 {"verifyCApath", OPT_VERIFYCAPATH, '/',
815 "use dir as certificate store path to verify CA certificate"},
816 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
817 {"ext_cache", OPT_EXT_CACHE, '-',
818 "Disable internal cache, setup and use external cache"},
819 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
820 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
821 "Close connection on verification error"},
822 {"verify_quiet", OPT_VERIFY_QUIET, '-',
823 "No verify output except verify errors"},
824 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
825 {"chainCAfile", OPT_CHAINCAFILE, '<',
826 "CA file for certificate chain (PEM format)"},
827 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
828 "CA file for certificate verification (PEM format)"},
829 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
830 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
831 #ifndef OPENSSL_NO_OCSP
832 {"status", OPT_STATUS, '-', "Request certificate status from server"},
833 {"status_verbose", OPT_STATUS_VERBOSE, '-',
834 "Print more output in certificate status callback"},
835 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
836 "Status request responder timeout"},
837 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
838 {"status_file", OPT_STATUS_FILE, '<',
839 "File containing DER encoded OCSP Response"},
840 #endif
841 #ifndef OPENSSL_NO_SSL_TRACE
842 {"trace", OPT_TRACE, '-', "trace protocol messages"},
843 #endif
844 {"security_debug", OPT_SECURITY_DEBUG, '-',
845 "Print output from SSL/TLS security framework"},
846 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
847 "Print more output from SSL/TLS security framework"},
848 {"brief", OPT_BRIEF, '-',
849 "Restrict output to brief summary of connection parameters"},
850 {"rev", OPT_REV, '-',
851 "act as a simple test server which just sends back with the received text reversed"},
852 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
853 {"ssl_config", OPT_SSL_CONFIG, 's',
854 "Configure SSL_CTX using the configuration 'val'"},
855 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
856 "Size used to split data for encrypt pipelines"},
857 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
858 "Maximum number of encrypt/decrypt pipelines to be used"},
859 {"read_buf", OPT_READ_BUF, 'n',
860 "Default read buffer size to be used for connections"},
861 OPT_S_OPTIONS,
862 OPT_V_OPTIONS,
863 OPT_X_OPTIONS,
864 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
865 #ifndef OPENSSL_NO_PSK
866 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
867 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
868 #endif
869 #ifndef OPENSSL_NO_SRP
870 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
871 {"srpuserseed", OPT_SRPUSERSEED, 's',
872 "A seed string for a default user salt"},
873 #endif
874 #ifndef OPENSSL_NO_SSL3
875 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
876 #endif
877 #ifndef OPENSSL_NO_TLS1
878 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
879 #endif
880 #ifndef OPENSSL_NO_TLS1_1
881 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
882 #endif
883 #ifndef OPENSSL_NO_TLS1_2
884 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
885 #endif
886 #ifndef OPENSSL_NO_TLS1_3
887 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
888 #endif
889 #ifndef OPENSSL_NO_DTLS
890 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
891 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
892 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
893 {"listen", OPT_LISTEN, '-',
894 "Listen for a DTLS ClientHello with a cookie and then connect"},
895 #endif
896 #ifndef OPENSSL_NO_DTLS1
897 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
898 #endif
899 #ifndef OPENSSL_NO_DTLS1_2
900 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
901 #endif
902 #ifndef OPENSSL_NO_DH
903 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
904 #endif
905 #ifndef OPENSSL_NO_NEXTPROTONEG
906 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
907 "Set the advertised protocols for the NPN extension (comma-separated list)"},
908 #endif
909 #ifndef OPENSSL_NO_SRTP
910 {"use_srtp", OPT_SRTP_PROFILES, 's',
911 "Offer SRTP key management with a colon-separated profile list"},
912 #endif
913 {"alpn", OPT_ALPN, 's',
914 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
915 #ifndef OPENSSL_NO_ENGINE
916 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
917 #endif
918 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
919 {NULL, OPT_EOF, 0, NULL}
920 };
921
922 #define IS_PROT_FLAG(o) \
923 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
924 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
925
926 int s_server_main(int argc, char *argv[])
927 {
928 ENGINE *engine = NULL;
929 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
930 SSL_CONF_CTX *cctx = NULL;
931 const SSL_METHOD *meth = TLS_server_method();
932 SSL_EXCERT *exc = NULL;
933 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
934 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
935 STACK_OF(X509_CRL) *crls = NULL;
936 X509 *s_cert = NULL, *s_dcert = NULL;
937 X509_VERIFY_PARAM *vpm = NULL;
938 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
939 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
940 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
941 char *crl_file = NULL, *prog;
942 #ifdef AF_UNIX
943 int unlink_unix_path = 0;
944 #endif
945 do_server_cb server_cb;
946 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
947 #ifndef OPENSSL_NO_DH
948 char *dhfile = NULL;
949 int no_dhe = 0;
950 #endif
951 int nocert = 0, ret = 1;
952 int noCApath = 0, noCAfile = 0;
953 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
954 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
955 int rev = 0, naccept = -1, sdebug = 0;
956 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
957 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
958 char *host = NULL;
959 char *port = BUF_strdup(PORT);
960 unsigned char *context = NULL;
961 OPTION_CHOICE o;
962 EVP_PKEY *s_key2 = NULL;
963 X509 *s_cert2 = NULL;
964 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
965 const char *ssl_config = NULL;
966 int read_buf_len = 0;
967 #ifndef OPENSSL_NO_NEXTPROTONEG
968 const char *next_proto_neg_in = NULL;
969 tlsextnextprotoctx next_proto = { NULL, 0 };
970 #endif
971 const char *alpn_in = NULL;
972 tlsextalpnctx alpn_ctx = { NULL, 0 };
973 #ifndef OPENSSL_NO_PSK
974 /* by default do not send a PSK identity hint */
975 static char *psk_identity_hint = NULL;
976 char *p;
977 #endif
978 #ifndef OPENSSL_NO_SRP
979 char *srpuserseed = NULL;
980 char *srp_verifier_file = NULL;
981 #endif
982 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
983 int s_server_verify = SSL_VERIFY_NONE;
984 int s_server_session_id_context = 1; /* anything will do */
985 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
986 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
987 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
988 #ifndef OPENSSL_NO_OCSP
989 int s_tlsextstatus = 0;
990 #endif
991 int no_resume_ephemeral = 0;
992 unsigned int split_send_fragment = 0, max_pipelines = 0;
993 const char *s_serverinfo_file = NULL;
994 const char *keylog_file = NULL;
995
996 /* Init of few remaining global variables */
997 local_argc = argc;
998 local_argv = argv;
999
1000 ctx = ctx2 = NULL;
1001 s_nbio = s_nbio_test = 0;
1002 www = 0;
1003 bio_s_out = NULL;
1004 s_debug = 0;
1005 s_msg = 0;
1006 s_quiet = 0;
1007 s_brief = 0;
1008 async = 0;
1009
1010 cctx = SSL_CONF_CTX_new();
1011 vpm = X509_VERIFY_PARAM_new();
1012 if (cctx == NULL || vpm == NULL)
1013 goto end;
1014 SSL_CONF_CTX_set_flags(cctx,
1015 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1016
1017 prog = opt_init(argc, argv, s_server_options);
1018 while ((o = opt_next()) != OPT_EOF) {
1019 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1020 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1021 goto end;
1022 }
1023 if (IS_NO_PROT_FLAG(o))
1024 no_prot_opt++;
1025 if (prot_opt == 1 && no_prot_opt) {
1026 BIO_printf(bio_err,
1027 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1028 goto end;
1029 }
1030 switch (o) {
1031 case OPT_EOF:
1032 case OPT_ERR:
1033 opthelp:
1034 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1035 goto end;
1036 case OPT_HELP:
1037 opt_help(s_server_options);
1038 ret = 0;
1039 goto end;
1040
1041 case OPT_4:
1042 #ifdef AF_UNIX
1043 if (socket_family == AF_UNIX) {
1044 OPENSSL_free(host); host = NULL;
1045 OPENSSL_free(port); port = NULL;
1046 }
1047 #endif
1048 socket_family = AF_INET;
1049 break;
1050 case OPT_6:
1051 if (1) {
1052 #ifdef AF_INET6
1053 #ifdef AF_UNIX
1054 if (socket_family == AF_UNIX) {
1055 OPENSSL_free(host); host = NULL;
1056 OPENSSL_free(port); port = NULL;
1057 }
1058 #endif
1059 socket_family = AF_INET6;
1060 } else {
1061 #endif
1062 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1063 goto end;
1064 }
1065 break;
1066 case OPT_PORT:
1067 #ifdef AF_UNIX
1068 if (socket_family == AF_UNIX) {
1069 socket_family = AF_UNSPEC;
1070 }
1071 #endif
1072 OPENSSL_free(port); port = NULL;
1073 OPENSSL_free(host); host = NULL;
1074 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1075 BIO_printf(bio_err,
1076 "%s: -port argument malformed or ambiguous\n",
1077 port);
1078 goto end;
1079 }
1080 break;
1081 case OPT_ACCEPT:
1082 #ifdef AF_UNIX
1083 if (socket_family == AF_UNIX) {
1084 socket_family = AF_UNSPEC;
1085 }
1086 #endif
1087 OPENSSL_free(port); port = NULL;
1088 OPENSSL_free(host); host = NULL;
1089 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1090 BIO_printf(bio_err,
1091 "%s: -accept argument malformed or ambiguous\n",
1092 port);
1093 goto end;
1094 }
1095 break;
1096 #ifdef AF_UNIX
1097 case OPT_UNIX:
1098 socket_family = AF_UNIX;
1099 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1100 OPENSSL_free(port); port = NULL;
1101 break;
1102 case OPT_UNLINK:
1103 unlink_unix_path = 1;
1104 break;
1105 #endif
1106 case OPT_NACCEPT:
1107 naccept = atol(opt_arg());
1108 break;
1109 case OPT_VERIFY:
1110 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1111 verify_args.depth = atoi(opt_arg());
1112 if (!s_quiet)
1113 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1114 break;
1115 case OPT_UPPER_V_VERIFY:
1116 s_server_verify =
1117 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1118 SSL_VERIFY_CLIENT_ONCE;
1119 verify_args.depth = atoi(opt_arg());
1120 if (!s_quiet)
1121 BIO_printf(bio_err,
1122 "verify depth is %d, must return a certificate\n",
1123 verify_args.depth);
1124 break;
1125 case OPT_CONTEXT:
1126 context = (unsigned char *)opt_arg();
1127 break;
1128 case OPT_CERT:
1129 s_cert_file = opt_arg();
1130 break;
1131 case OPT_NAMEOPT:
1132 if (!set_nameopt(opt_arg()))
1133 goto end;
1134 break;
1135 case OPT_CRL:
1136 crl_file = opt_arg();
1137 break;
1138 case OPT_CRL_DOWNLOAD:
1139 crl_download = 1;
1140 break;
1141 case OPT_SERVERINFO:
1142 s_serverinfo_file = opt_arg();
1143 break;
1144 case OPT_CERTFORM:
1145 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1146 goto opthelp;
1147 break;
1148 case OPT_KEY:
1149 s_key_file = opt_arg();
1150 break;
1151 case OPT_KEYFORM:
1152 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1153 goto opthelp;
1154 break;
1155 case OPT_PASS:
1156 passarg = opt_arg();
1157 break;
1158 case OPT_CERT_CHAIN:
1159 s_chain_file = opt_arg();
1160 break;
1161 case OPT_DHPARAM:
1162 #ifndef OPENSSL_NO_DH
1163 dhfile = opt_arg();
1164 #endif
1165 break;
1166 case OPT_DCERTFORM:
1167 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1168 goto opthelp;
1169 break;
1170 case OPT_DCERT:
1171 s_dcert_file = opt_arg();
1172 break;
1173 case OPT_DKEYFORM:
1174 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1175 goto opthelp;
1176 break;
1177 case OPT_DPASS:
1178 dpassarg = opt_arg();
1179 break;
1180 case OPT_DKEY:
1181 s_dkey_file = opt_arg();
1182 break;
1183 case OPT_DCERT_CHAIN:
1184 s_dchain_file = opt_arg();
1185 break;
1186 case OPT_NOCERT:
1187 nocert = 1;
1188 break;
1189 case OPT_CAPATH:
1190 CApath = opt_arg();
1191 break;
1192 case OPT_NOCAPATH:
1193 noCApath = 1;
1194 break;
1195 case OPT_CHAINCAPATH:
1196 chCApath = opt_arg();
1197 break;
1198 case OPT_VERIFYCAPATH:
1199 vfyCApath = opt_arg();
1200 break;
1201 case OPT_NO_CACHE:
1202 no_cache = 1;
1203 break;
1204 case OPT_EXT_CACHE:
1205 ext_cache = 1;
1206 break;
1207 case OPT_CRLFORM:
1208 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1209 goto opthelp;
1210 break;
1211 case OPT_S_CASES:
1212 if (ssl_args == NULL)
1213 ssl_args = sk_OPENSSL_STRING_new_null();
1214 if (ssl_args == NULL
1215 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1216 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1217 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1218 goto end;
1219 }
1220 break;
1221 case OPT_V_CASES:
1222 if (!opt_verify(o, vpm))
1223 goto end;
1224 vpmtouched++;
1225 break;
1226 case OPT_X_CASES:
1227 if (!args_excert(o, &exc))
1228 goto end;
1229 break;
1230 case OPT_VERIFY_RET_ERROR:
1231 verify_args.return_error = 1;
1232 break;
1233 case OPT_VERIFY_QUIET:
1234 verify_args.quiet = 1;
1235 break;
1236 case OPT_BUILD_CHAIN:
1237 build_chain = 1;
1238 break;
1239 case OPT_CAFILE:
1240 CAfile = opt_arg();
1241 break;
1242 case OPT_NOCAFILE:
1243 noCAfile = 1;
1244 break;
1245 case OPT_CHAINCAFILE:
1246 chCAfile = opt_arg();
1247 break;
1248 case OPT_VERIFYCAFILE:
1249 vfyCAfile = opt_arg();
1250 break;
1251 case OPT_NBIO:
1252 s_nbio = 1;
1253 break;
1254 case OPT_NBIO_TEST:
1255 s_nbio = s_nbio_test = 1;
1256 break;
1257 case OPT_IGN_EOF:
1258 s_ign_eof = 1;
1259 break;
1260 case OPT_NO_IGN_EOF:
1261 s_ign_eof = 0;
1262 break;
1263 case OPT_DEBUG:
1264 s_debug = 1;
1265 break;
1266 case OPT_TLSEXTDEBUG:
1267 s_tlsextdebug = 1;
1268 break;
1269 case OPT_STATUS:
1270 #ifndef OPENSSL_NO_OCSP
1271 s_tlsextstatus = 1;
1272 #endif
1273 break;
1274 case OPT_STATUS_VERBOSE:
1275 #ifndef OPENSSL_NO_OCSP
1276 s_tlsextstatus = tlscstatp.verbose = 1;
1277 #endif
1278 break;
1279 case OPT_STATUS_TIMEOUT:
1280 #ifndef OPENSSL_NO_OCSP
1281 s_tlsextstatus = 1;
1282 tlscstatp.timeout = atoi(opt_arg());
1283 #endif
1284 break;
1285 case OPT_STATUS_URL:
1286 #ifndef OPENSSL_NO_OCSP
1287 s_tlsextstatus = 1;
1288 if (!OCSP_parse_url(opt_arg(),
1289 &tlscstatp.host,
1290 &tlscstatp.port,
1291 &tlscstatp.path, &tlscstatp.use_ssl)) {
1292 BIO_printf(bio_err, "Error parsing URL\n");
1293 goto end;
1294 }
1295 #endif
1296 break;
1297 case OPT_STATUS_FILE:
1298 #ifndef OPENSSL_NO_OCSP
1299 s_tlsextstatus = 1;
1300 tlscstatp.respin = opt_arg();
1301 #endif
1302 break;
1303 case OPT_MSG:
1304 s_msg = 1;
1305 break;
1306 case OPT_MSGFILE:
1307 bio_s_msg = BIO_new_file(opt_arg(), "w");
1308 break;
1309 case OPT_TRACE:
1310 #ifndef OPENSSL_NO_SSL_TRACE
1311 s_msg = 2;
1312 #endif
1313 break;
1314 case OPT_SECURITY_DEBUG:
1315 sdebug = 1;
1316 break;
1317 case OPT_SECURITY_DEBUG_VERBOSE:
1318 sdebug = 2;
1319 break;
1320 case OPT_STATE:
1321 state = 1;
1322 break;
1323 case OPT_CRLF:
1324 s_crlf = 1;
1325 break;
1326 case OPT_QUIET:
1327 s_quiet = 1;
1328 break;
1329 case OPT_BRIEF:
1330 s_quiet = s_brief = verify_args.quiet = 1;
1331 break;
1332 case OPT_NO_DHE:
1333 #ifndef OPENSSL_NO_DH
1334 no_dhe = 1;
1335 #endif
1336 break;
1337 case OPT_NO_RESUME_EPHEMERAL:
1338 no_resume_ephemeral = 1;
1339 break;
1340 case OPT_PSK_HINT:
1341 #ifndef OPENSSL_NO_PSK
1342 psk_identity_hint = opt_arg();
1343 #endif
1344 break;
1345 case OPT_PSK:
1346 #ifndef OPENSSL_NO_PSK
1347 for (p = psk_key = opt_arg(); *p; p++) {
1348 if (isxdigit(_UC(*p)))
1349 continue;
1350 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1351 goto end;
1352 }
1353 #endif
1354 break;
1355 case OPT_SRPVFILE:
1356 #ifndef OPENSSL_NO_SRP
1357 srp_verifier_file = opt_arg();
1358 if (min_version < TLS1_VERSION)
1359 min_version = TLS1_VERSION;
1360 #endif
1361 break;
1362 case OPT_SRPUSERSEED:
1363 #ifndef OPENSSL_NO_SRP
1364 srpuserseed = opt_arg();
1365 if (min_version < TLS1_VERSION)
1366 min_version = TLS1_VERSION;
1367 #endif
1368 break;
1369 case OPT_REV:
1370 rev = 1;
1371 break;
1372 case OPT_WWW:
1373 www = 1;
1374 break;
1375 case OPT_UPPER_WWW:
1376 www = 2;
1377 break;
1378 case OPT_HTTP:
1379 www = 3;
1380 break;
1381 case OPT_SSL_CONFIG:
1382 ssl_config = opt_arg();
1383 break;
1384 case OPT_SSL3:
1385 min_version = SSL3_VERSION;
1386 max_version = SSL3_VERSION;
1387 break;
1388 case OPT_TLS1_3:
1389 min_version = TLS1_3_VERSION;
1390 max_version = TLS1_3_VERSION;
1391 break;
1392 case OPT_TLS1_2:
1393 min_version = TLS1_2_VERSION;
1394 max_version = TLS1_2_VERSION;
1395 break;
1396 case OPT_TLS1_1:
1397 min_version = TLS1_1_VERSION;
1398 max_version = TLS1_1_VERSION;
1399 break;
1400 case OPT_TLS1:
1401 min_version = TLS1_VERSION;
1402 max_version = TLS1_VERSION;
1403 break;
1404 case OPT_DTLS:
1405 #ifndef OPENSSL_NO_DTLS
1406 meth = DTLS_server_method();
1407 socket_type = SOCK_DGRAM;
1408 #endif
1409 break;
1410 case OPT_DTLS1:
1411 #ifndef OPENSSL_NO_DTLS
1412 meth = DTLS_server_method();
1413 min_version = DTLS1_VERSION;
1414 max_version = DTLS1_VERSION;
1415 socket_type = SOCK_DGRAM;
1416 #endif
1417 break;
1418 case OPT_DTLS1_2:
1419 #ifndef OPENSSL_NO_DTLS
1420 meth = DTLS_server_method();
1421 min_version = DTLS1_2_VERSION;
1422 max_version = DTLS1_2_VERSION;
1423 socket_type = SOCK_DGRAM;
1424 #endif
1425 break;
1426 case OPT_TIMEOUT:
1427 #ifndef OPENSSL_NO_DTLS
1428 enable_timeouts = 1;
1429 #endif
1430 break;
1431 case OPT_MTU:
1432 #ifndef OPENSSL_NO_DTLS
1433 socket_mtu = atol(opt_arg());
1434 #endif
1435 break;
1436 case OPT_LISTEN:
1437 #ifndef OPENSSL_NO_DTLS
1438 dtlslisten = 1;
1439 #endif
1440 break;
1441 case OPT_ID_PREFIX:
1442 session_id_prefix = opt_arg();
1443 break;
1444 case OPT_ENGINE:
1445 engine = setup_engine(opt_arg(), 1);
1446 break;
1447 case OPT_RAND:
1448 inrand = opt_arg();
1449 break;
1450 case OPT_SERVERNAME:
1451 tlsextcbp.servername = opt_arg();
1452 break;
1453 case OPT_SERVERNAME_FATAL:
1454 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1455 break;
1456 case OPT_CERT2:
1457 s_cert_file2 = opt_arg();
1458 break;
1459 case OPT_KEY2:
1460 s_key_file2 = opt_arg();
1461 break;
1462 case OPT_NEXTPROTONEG:
1463 # ifndef OPENSSL_NO_NEXTPROTONEG
1464 next_proto_neg_in = opt_arg();
1465 #endif
1466 break;
1467 case OPT_ALPN:
1468 alpn_in = opt_arg();
1469 break;
1470 case OPT_SRTP_PROFILES:
1471 #ifndef OPENSSL_NO_SRTP
1472 srtp_profiles = opt_arg();
1473 #endif
1474 break;
1475 case OPT_KEYMATEXPORT:
1476 keymatexportlabel = opt_arg();
1477 break;
1478 case OPT_KEYMATEXPORTLEN:
1479 keymatexportlen = atoi(opt_arg());
1480 break;
1481 case OPT_ASYNC:
1482 async = 1;
1483 break;
1484 case OPT_SPLIT_SEND_FRAG:
1485 split_send_fragment = atoi(opt_arg());
1486 if (split_send_fragment == 0) {
1487 /*
1488 * Not allowed - set to a deliberately bad value so we get an
1489 * error message below
1490 */
1491 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1492 }
1493 break;
1494 case OPT_MAX_PIPELINES:
1495 max_pipelines = atoi(opt_arg());
1496 break;
1497 case OPT_READ_BUF:
1498 read_buf_len = atoi(opt_arg());
1499 break;
1500 case OPT_KEYLOG_FILE:
1501 keylog_file = opt_arg();
1502 break;
1503
1504 }
1505 }
1506 argc = opt_num_rest();
1507 argv = opt_rest();
1508
1509 #ifndef OPENSSL_NO_DTLS
1510 if (www && socket_type == SOCK_DGRAM) {
1511 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1512 goto end;
1513 }
1514
1515 if (dtlslisten && socket_type != SOCK_DGRAM) {
1516 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1517 goto end;
1518 }
1519 #endif
1520
1521 #ifdef AF_UNIX
1522 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1523 BIO_printf(bio_err,
1524 "Can't use unix sockets and datagrams together\n");
1525 goto end;
1526 }
1527 #endif
1528
1529 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1530 BIO_printf(bio_err, "Bad split send fragment size\n");
1531 goto end;
1532 }
1533
1534 if (max_pipelines > SSL_MAX_PIPELINES) {
1535 BIO_printf(bio_err, "Bad max pipelines value\n");
1536 goto end;
1537 }
1538
1539 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1540 BIO_printf(bio_err, "Error getting password\n");
1541 goto end;
1542 }
1543
1544 if (s_key_file == NULL)
1545 s_key_file = s_cert_file;
1546
1547 if (s_key_file2 == NULL)
1548 s_key_file2 = s_cert_file2;
1549
1550 if (!load_excert(&exc))
1551 goto end;
1552
1553 if (nocert == 0) {
1554 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1555 "server certificate private key file");
1556 if (!s_key) {
1557 ERR_print_errors(bio_err);
1558 goto end;
1559 }
1560
1561 s_cert = load_cert(s_cert_file, s_cert_format,
1562 "server certificate file");
1563
1564 if (!s_cert) {
1565 ERR_print_errors(bio_err);
1566 goto end;
1567 }
1568 if (s_chain_file) {
1569 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1570 "server certificate chain"))
1571 goto end;
1572 }
1573
1574 if (tlsextcbp.servername) {
1575 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1576 "second server certificate private key file");
1577 if (!s_key2) {
1578 ERR_print_errors(bio_err);
1579 goto end;
1580 }
1581
1582 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1583 "second server certificate file");
1584
1585 if (!s_cert2) {
1586 ERR_print_errors(bio_err);
1587 goto end;
1588 }
1589 }
1590 }
1591 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1592 if (next_proto_neg_in) {
1593 size_t len;
1594 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1595 if (next_proto.data == NULL)
1596 goto end;
1597 next_proto.len = len;
1598 } else {
1599 next_proto.data = NULL;
1600 }
1601 #endif
1602 alpn_ctx.data = NULL;
1603 if (alpn_in) {
1604 size_t len;
1605 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1606 if (alpn_ctx.data == NULL)
1607 goto end;
1608 alpn_ctx.len = len;
1609 }
1610
1611 if (crl_file) {
1612 X509_CRL *crl;
1613 crl = load_crl(crl_file, crl_format);
1614 if (!crl) {
1615 BIO_puts(bio_err, "Error loading CRL\n");
1616 ERR_print_errors(bio_err);
1617 goto end;
1618 }
1619 crls = sk_X509_CRL_new_null();
1620 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1621 BIO_puts(bio_err, "Error adding CRL\n");
1622 ERR_print_errors(bio_err);
1623 X509_CRL_free(crl);
1624 goto end;
1625 }
1626 }
1627
1628 if (s_dcert_file) {
1629
1630 if (s_dkey_file == NULL)
1631 s_dkey_file = s_dcert_file;
1632
1633 s_dkey = load_key(s_dkey_file, s_dkey_format,
1634 0, dpass, engine, "second certificate private key file");
1635 if (!s_dkey) {
1636 ERR_print_errors(bio_err);
1637 goto end;
1638 }
1639
1640 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1641 "second server certificate file");
1642
1643 if (!s_dcert) {
1644 ERR_print_errors(bio_err);
1645 goto end;
1646 }
1647 if (s_dchain_file) {
1648 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1649 "second server certificate chain"))
1650 goto end;
1651 }
1652
1653 }
1654
1655 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1656 && !RAND_status()) {
1657 BIO_printf(bio_err,
1658 "warning, not much extra random data, consider using the -rand option\n");
1659 }
1660 if (inrand != NULL)
1661 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1662 app_RAND_load_files(inrand));
1663
1664 if (bio_s_out == NULL) {
1665 if (s_quiet && !s_debug) {
1666 bio_s_out = BIO_new(BIO_s_null());
1667 if (s_msg && !bio_s_msg)
1668 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1669 } else {
1670 if (bio_s_out == NULL)
1671 bio_s_out = dup_bio_out(FORMAT_TEXT);
1672 }
1673 }
1674 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1675 if (nocert)
1676 #endif
1677 {
1678 s_cert_file = NULL;
1679 s_key_file = NULL;
1680 s_dcert_file = NULL;
1681 s_dkey_file = NULL;
1682 s_cert_file2 = NULL;
1683 s_key_file2 = NULL;
1684 }
1685
1686 ctx = SSL_CTX_new(meth);
1687 if (ctx == NULL) {
1688 ERR_print_errors(bio_err);
1689 goto end;
1690 }
1691 if (sdebug)
1692 ssl_ctx_security_debug(ctx, sdebug);
1693 if (ssl_config) {
1694 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1695 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1696 ssl_config);
1697 ERR_print_errors(bio_err);
1698 goto end;
1699 }
1700 }
1701 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1702 goto end;
1703 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1704 goto end;
1705
1706 if (session_id_prefix) {
1707 if (strlen(session_id_prefix) >= 32)
1708 BIO_printf(bio_err,
1709 "warning: id_prefix is too long, only one new session will be possible\n");
1710 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1711 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1712 ERR_print_errors(bio_err);
1713 goto end;
1714 }
1715 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1716 }
1717 SSL_CTX_set_quiet_shutdown(ctx, 1);
1718 if (exc)
1719 ssl_ctx_set_excert(ctx, exc);
1720
1721 if (state)
1722 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1723 if (no_cache)
1724 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1725 else if (ext_cache)
1726 init_session_cache_ctx(ctx);
1727 else
1728 SSL_CTX_sess_set_cache_size(ctx, 128);
1729
1730 if (async) {
1731 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1732 }
1733 if (split_send_fragment > 0) {
1734 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1735 }
1736 if (max_pipelines > 0) {
1737 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1738 }
1739
1740 if (read_buf_len > 0) {
1741 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1742 }
1743 #ifndef OPENSSL_NO_SRTP
1744 if (srtp_profiles != NULL) {
1745 /* Returns 0 on success! */
1746 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1747 BIO_printf(bio_err, "Error setting SRTP profile\n");
1748 ERR_print_errors(bio_err);
1749 goto end;
1750 }
1751 }
1752 #endif
1753
1754 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1755 ERR_print_errors(bio_err);
1756 goto end;
1757 }
1758 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1759 BIO_printf(bio_err, "Error setting verify params\n");
1760 ERR_print_errors(bio_err);
1761 goto end;
1762 }
1763
1764 ssl_ctx_add_crls(ctx, crls, 0);
1765 if (!config_ctx(cctx, ssl_args, ctx))
1766 goto end;
1767
1768 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1769 crls, crl_download)) {
1770 BIO_printf(bio_err, "Error loading store locations\n");
1771 ERR_print_errors(bio_err);
1772 goto end;
1773 }
1774
1775 if (s_cert2) {
1776 ctx2 = SSL_CTX_new(meth);
1777 if (ctx2 == NULL) {
1778 ERR_print_errors(bio_err);
1779 goto end;
1780 }
1781 }
1782
1783 if (ctx2) {
1784 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1785
1786 if (sdebug)
1787 ssl_ctx_security_debug(ctx, sdebug);
1788
1789 if (session_id_prefix) {
1790 if (strlen(session_id_prefix) >= 32)
1791 BIO_printf(bio_err,
1792 "warning: id_prefix is too long, only one new session will be possible\n");
1793 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1794 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1795 ERR_print_errors(bio_err);
1796 goto end;
1797 }
1798 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1799 }
1800 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1801 if (exc)
1802 ssl_ctx_set_excert(ctx2, exc);
1803
1804 if (state)
1805 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1806
1807 if (no_cache)
1808 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1809 else if (ext_cache)
1810 init_session_cache_ctx(ctx2);
1811 else
1812 SSL_CTX_sess_set_cache_size(ctx2, 128);
1813
1814 if (async)
1815 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1816
1817 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1818 noCApath)) {
1819 ERR_print_errors(bio_err);
1820 goto end;
1821 }
1822 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1823 BIO_printf(bio_err, "Error setting verify params\n");
1824 ERR_print_errors(bio_err);
1825 goto end;
1826 }
1827
1828 ssl_ctx_add_crls(ctx2, crls, 0);
1829 if (!config_ctx(cctx, ssl_args, ctx2))
1830 goto end;
1831 }
1832 #ifndef OPENSSL_NO_NEXTPROTONEG
1833 if (next_proto.data)
1834 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1835 &next_proto);
1836 #endif
1837 if (alpn_ctx.data)
1838 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1839
1840 #ifndef OPENSSL_NO_DH
1841 if (!no_dhe) {
1842 DH *dh = NULL;
1843
1844 if (dhfile)
1845 dh = load_dh_param(dhfile);
1846 else if (s_cert_file)
1847 dh = load_dh_param(s_cert_file);
1848
1849 if (dh != NULL) {
1850 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1851 } else {
1852 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1853 }
1854 (void)BIO_flush(bio_s_out);
1855
1856 if (dh == NULL)
1857 SSL_CTX_set_dh_auto(ctx, 1);
1858 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1859 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1860 ERR_print_errors(bio_err);
1861 DH_free(dh);
1862 goto end;
1863 }
1864
1865 if (ctx2) {
1866 if (!dhfile) {
1867 DH *dh2 = load_dh_param(s_cert_file2);
1868 if (dh2 != NULL) {
1869 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1870 (void)BIO_flush(bio_s_out);
1871
1872 DH_free(dh);
1873 dh = dh2;
1874 }
1875 }
1876 if (dh == NULL)
1877 SSL_CTX_set_dh_auto(ctx2, 1);
1878 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1879 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1880 ERR_print_errors(bio_err);
1881 DH_free(dh);
1882 goto end;
1883 }
1884 }
1885 DH_free(dh);
1886 }
1887 #endif
1888
1889 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1890 goto end;
1891
1892 if (s_serverinfo_file != NULL
1893 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1894 ERR_print_errors(bio_err);
1895 goto end;
1896 }
1897
1898 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1899 goto end;
1900
1901 if (s_dcert != NULL) {
1902 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1903 goto end;
1904 }
1905
1906 if (no_resume_ephemeral) {
1907 SSL_CTX_set_not_resumable_session_callback(ctx,
1908 not_resumable_sess_cb);
1909
1910 if (ctx2)
1911 SSL_CTX_set_not_resumable_session_callback(ctx2,
1912 not_resumable_sess_cb);
1913 }
1914 #ifndef OPENSSL_NO_PSK
1915 if (psk_key != NULL) {
1916 if (s_debug)
1917 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1918 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1919 }
1920
1921 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1922 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1923 ERR_print_errors(bio_err);
1924 goto end;
1925 }
1926 #endif
1927
1928 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1929 if (!SSL_CTX_set_session_id_context(ctx,
1930 (void *)&s_server_session_id_context,
1931 sizeof s_server_session_id_context)) {
1932 BIO_printf(bio_err, "error setting session id context\n");
1933 ERR_print_errors(bio_err);
1934 goto end;
1935 }
1936
1937 /* Set DTLS cookie generation and verification callbacks */
1938 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1939 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1940
1941 if (ctx2) {
1942 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1943 if (!SSL_CTX_set_session_id_context(ctx2,
1944 (void *)&s_server_session_id_context,
1945 sizeof s_server_session_id_context)) {
1946 BIO_printf(bio_err, "error setting session id context\n");
1947 ERR_print_errors(bio_err);
1948 goto end;
1949 }
1950 tlsextcbp.biodebug = bio_s_out;
1951 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1952 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1953 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1954 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1955 }
1956
1957 #ifndef OPENSSL_NO_SRP
1958 if (srp_verifier_file != NULL) {
1959 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1960 srp_callback_parm.user = NULL;
1961 srp_callback_parm.login = NULL;
1962 if ((ret =
1963 SRP_VBASE_init(srp_callback_parm.vb,
1964 srp_verifier_file)) != SRP_NO_ERROR) {
1965 BIO_printf(bio_err,
1966 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1967 srp_verifier_file, ret);
1968 goto end;
1969 }
1970 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1971 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1972 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1973 } else
1974 #endif
1975 if (CAfile != NULL) {
1976 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1977
1978 if (ctx2)
1979 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1980 }
1981 #ifndef OPENSSL_NO_OCSP
1982 if (s_tlsextstatus) {
1983 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1984 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1985 if (ctx2) {
1986 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1987 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1988 }
1989 }
1990 #endif
1991 if (set_keylog_file(ctx, keylog_file))
1992 goto end;
1993
1994 BIO_printf(bio_s_out, "ACCEPT\n");
1995 (void)BIO_flush(bio_s_out);
1996 if (rev)
1997 server_cb = rev_body;
1998 else if (www)
1999 server_cb = www_body;
2000 else
2001 server_cb = sv_body;
2002 #ifdef AF_UNIX
2003 if (socket_family == AF_UNIX
2004 && unlink_unix_path)
2005 unlink(host);
2006 #endif
2007 do_server(&accept_socket, host, port, socket_family, socket_type,
2008 server_cb, context, naccept);
2009 print_stats(bio_s_out, ctx);
2010 ret = 0;
2011 end:
2012 SSL_CTX_free(ctx);
2013 set_keylog_file(NULL, NULL);
2014 X509_free(s_cert);
2015 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2016 X509_free(s_dcert);
2017 EVP_PKEY_free(s_key);
2018 EVP_PKEY_free(s_dkey);
2019 sk_X509_pop_free(s_chain, X509_free);
2020 sk_X509_pop_free(s_dchain, X509_free);
2021 OPENSSL_free(pass);
2022 OPENSSL_free(dpass);
2023 OPENSSL_free(host);
2024 OPENSSL_free(port);
2025 X509_VERIFY_PARAM_free(vpm);
2026 free_sessions();
2027 OPENSSL_free(tlscstatp.host);
2028 OPENSSL_free(tlscstatp.port);
2029 OPENSSL_free(tlscstatp.path);
2030 SSL_CTX_free(ctx2);
2031 X509_free(s_cert2);
2032 EVP_PKEY_free(s_key2);
2033 #ifndef OPENSSL_NO_NEXTPROTONEG
2034 OPENSSL_free(next_proto.data);
2035 #endif
2036 OPENSSL_free(alpn_ctx.data);
2037 ssl_excert_free(exc);
2038 sk_OPENSSL_STRING_free(ssl_args);
2039 SSL_CONF_CTX_free(cctx);
2040 release_engine(engine);
2041 BIO_free(bio_s_out);
2042 bio_s_out = NULL;
2043 BIO_free(bio_s_msg);
2044 bio_s_msg = NULL;
2045 #ifdef CHARSET_EBCDIC
2046 BIO_meth_free(methods_ebcdic);
2047 #endif
2048 return (ret);
2049 }
2050
2051 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2052 {
2053 BIO_printf(bio, "%4ld items in the session cache\n",
2054 SSL_CTX_sess_number(ssl_ctx));
2055 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2056 SSL_CTX_sess_connect(ssl_ctx));
2057 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2058 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2059 BIO_printf(bio, "%4ld client connects that finished\n",
2060 SSL_CTX_sess_connect_good(ssl_ctx));
2061 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2062 SSL_CTX_sess_accept(ssl_ctx));
2063 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2064 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2065 BIO_printf(bio, "%4ld server accepts that finished\n",
2066 SSL_CTX_sess_accept_good(ssl_ctx));
2067 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2068 BIO_printf(bio, "%4ld session cache misses\n",
2069 SSL_CTX_sess_misses(ssl_ctx));
2070 BIO_printf(bio, "%4ld session cache timeouts\n",
2071 SSL_CTX_sess_timeouts(ssl_ctx));
2072 BIO_printf(bio, "%4ld callback cache hits\n",
2073 SSL_CTX_sess_cb_hits(ssl_ctx));
2074 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2075 SSL_CTX_sess_cache_full(ssl_ctx),
2076 SSL_CTX_sess_get_cache_size(ssl_ctx));
2077 }
2078
2079 static int sv_body(int s, int stype, unsigned char *context)
2080 {
2081 char *buf = NULL;
2082 fd_set readfds;
2083 int ret = 1, width;
2084 int k, i;
2085 unsigned long l;
2086 SSL *con = NULL;
2087 BIO *sbio;
2088 struct timeval timeout;
2089 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2090 struct timeval tv;
2091 #else
2092 struct timeval *timeoutp;
2093 #endif
2094
2095 buf = app_malloc(bufsize, "server buffer");
2096 if (s_nbio) {
2097 if (!BIO_socket_nbio(s, 1))
2098 ERR_print_errors(bio_err);
2099 else if (!s_quiet)
2100 BIO_printf(bio_err, "Turned on non blocking io\n");
2101 }
2102
2103 if (con == NULL) {
2104 con = SSL_new(ctx);
2105
2106 if (s_tlsextdebug) {
2107 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2108 SSL_set_tlsext_debug_arg(con, bio_s_out);
2109 }
2110
2111 if (context
2112 && !SSL_set_session_id_context(con,
2113 context, strlen((char *)context))) {
2114 BIO_printf(bio_err, "Error setting session id context\n");
2115 ret = -1;
2116 goto err;
2117 }
2118 }
2119 if (!SSL_clear(con)) {
2120 BIO_printf(bio_err, "Error clearing SSL connection\n");
2121 ret = -1;
2122 goto err;
2123 }
2124 #ifndef OPENSSL_NO_DTLS
2125 if (stype == SOCK_DGRAM) {
2126
2127 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2128
2129 if (enable_timeouts) {
2130 timeout.tv_sec = 0;
2131 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2132 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2133
2134 timeout.tv_sec = 0;
2135 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2136 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2137 }
2138
2139 if (socket_mtu) {
2140 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2141 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2142 DTLS_get_link_min_mtu(con));
2143 ret = -1;
2144 BIO_free(sbio);
2145 goto err;
2146 }
2147 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2148 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2149 BIO_printf(bio_err, "Failed to set MTU\n");
2150 ret = -1;
2151 BIO_free(sbio);
2152 goto err;
2153 }
2154 } else
2155 /* want to do MTU discovery */
2156 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2157
2158 /* turn on cookie exchange */
2159 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2160 } else
2161 #endif
2162 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2163
2164 if (s_nbio_test) {
2165 BIO *test;
2166
2167 test = BIO_new(BIO_f_nbio_test());
2168 sbio = BIO_push(test, sbio);
2169 }
2170
2171 SSL_set_bio(con, sbio, sbio);
2172 SSL_set_accept_state(con);
2173 /* SSL_set_fd(con,s); */
2174
2175 if (s_debug) {
2176 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2177 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2178 }
2179 if (s_msg) {
2180 #ifndef OPENSSL_NO_SSL_TRACE
2181 if (s_msg == 2)
2182 SSL_set_msg_callback(con, SSL_trace);
2183 else
2184 #endif
2185 SSL_set_msg_callback(con, msg_cb);
2186 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2187 }
2188
2189 if (s_tlsextdebug) {
2190 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2191 SSL_set_tlsext_debug_arg(con, bio_s_out);
2192 }
2193
2194 if (fileno_stdin() > s)
2195 width = fileno_stdin() + 1;
2196 else
2197 width = s + 1;
2198 for (;;) {
2199 int read_from_terminal;
2200 int read_from_sslcon;
2201
2202 read_from_terminal = 0;
2203 read_from_sslcon = SSL_has_pending(con)
2204 || (async && SSL_waiting_for_async(con));
2205
2206 if (!read_from_sslcon) {
2207 FD_ZERO(&readfds);
2208 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2209 openssl_fdset(fileno_stdin(), &readfds);
2210 #endif
2211 openssl_fdset(s, &readfds);
2212 /*
2213 * Note: under VMS with SOCKETSHR the second parameter is
2214 * currently of type (int *) whereas under other systems it is
2215 * (void *) if you don't have a cast it will choke the compiler:
2216 * if you do have a cast then you can either go for (int *) or
2217 * (void *).
2218 */
2219 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2220 /*
2221 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2222 * only on sockets. As a workaround we timeout the select every
2223 * second and check for any keypress. In a proper Windows
2224 * application we wouldn't do this because it is inefficient.
2225 */
2226 tv.tv_sec = 1;
2227 tv.tv_usec = 0;
2228 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2229 if (has_stdin_waiting())
2230 read_from_terminal = 1;
2231 if ((i < 0) || (!i && !read_from_terminal))
2232 continue;
2233 #else
2234 if ((SSL_version(con) == DTLS1_VERSION) &&
2235 DTLSv1_get_timeout(con, &timeout))
2236 timeoutp = &timeout;
2237 else
2238 timeoutp = NULL;
2239
2240 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2241
2242 if ((SSL_version(con) == DTLS1_VERSION)
2243 && DTLSv1_handle_timeout(con) > 0) {
2244 BIO_printf(bio_err, "TIMEOUT occurred\n");
2245 }
2246
2247 if (i <= 0)
2248 continue;
2249 if (FD_ISSET(fileno_stdin(), &readfds))
2250 read_from_terminal = 1;
2251 #endif
2252 if (FD_ISSET(s, &readfds))
2253 read_from_sslcon = 1;
2254 }
2255 if (read_from_terminal) {
2256 if (s_crlf) {
2257 int j, lf_num;
2258
2259 i = raw_read_stdin(buf, bufsize / 2);
2260 lf_num = 0;
2261 /* both loops are skipped when i <= 0 */
2262 for (j = 0; j < i; j++)
2263 if (buf[j] == '\n')
2264 lf_num++;
2265 for (j = i - 1; j >= 0; j--) {
2266 buf[j + lf_num] = buf[j];
2267 if (buf[j] == '\n') {
2268 lf_num--;
2269 i++;
2270 buf[j + lf_num] = '\r';
2271 }
2272 }
2273 assert(lf_num == 0);
2274 } else
2275 i = raw_read_stdin(buf, bufsize);
2276
2277 if (!s_quiet && !s_brief) {
2278 if ((i <= 0) || (buf[0] == 'Q')) {
2279 BIO_printf(bio_s_out, "DONE\n");
2280 (void)BIO_flush(bio_s_out);
2281 BIO_closesocket(s);
2282 close_accept_socket();
2283 ret = -11;
2284 goto err;
2285 }
2286 if ((i <= 0) || (buf[0] == 'q')) {
2287 BIO_printf(bio_s_out, "DONE\n");
2288 (void)BIO_flush(bio_s_out);
2289 if (SSL_version(con) != DTLS1_VERSION)
2290 BIO_closesocket(s);
2291 /*
2292 * close_accept_socket(); ret= -11;
2293 */
2294 goto err;
2295 }
2296 #ifndef OPENSSL_NO_HEARTBEATS
2297 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2298 BIO_printf(bio_err, "HEARTBEATING\n");
2299 SSL_heartbeat(con);
2300 i = 0;
2301 continue;
2302 }
2303 #endif
2304 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2305 SSL_renegotiate(con);
2306 i = SSL_do_handshake(con);
2307 printf("SSL_do_handshake -> %d\n", i);
2308 i = 0; /* 13; */
2309 continue;
2310 /*
2311 * strcpy(buf,"server side RE-NEGOTIATE\n");
2312 */
2313 }
2314 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2315 SSL_set_verify(con,
2316 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2317 NULL);
2318 SSL_renegotiate(con);
2319 i = SSL_do_handshake(con);
2320 printf("SSL_do_handshake -> %d\n", i);
2321 i = 0; /* 13; */
2322 continue;
2323 /*
2324 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2325 * cert\n");
2326 */
2327 }
2328 if ((buf[0] == 'K' || buf[0] == 'k')
2329 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2330 SSL_key_update(con, buf[0] == 'K' ?
2331 SSL_KEY_UPDATE_REQUESTED
2332 : SSL_KEY_UPDATE_NOT_REQUESTED);
2333 i = SSL_do_handshake(con);
2334 printf("SSL_do_handshake -> %d\n", i);
2335 i = 0;
2336 continue;
2337 /*
2338 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2339 * cert\n");
2340 */
2341 }
2342 if (buf[0] == 'P') {
2343 static const char *str = "Lets print some clear text\n";
2344 BIO_write(SSL_get_wbio(con), str, strlen(str));
2345 }
2346 if (buf[0] == 'S') {
2347 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2348 }
2349 }
2350 #ifdef CHARSET_EBCDIC
2351 ebcdic2ascii(buf, buf, i);
2352 #endif
2353 l = k = 0;
2354 for (;;) {
2355 /* should do a select for the write */
2356 #ifdef RENEG
2357 static count = 0;
2358 if (++count == 100) {
2359 count = 0;
2360 SSL_renegotiate(con);
2361 }
2362 #endif
2363 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2364 #ifndef OPENSSL_NO_SRP
2365 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2366 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2367 SRP_user_pwd_free(srp_callback_parm.user);
2368 srp_callback_parm.user =
2369 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2370 srp_callback_parm.login);
2371 if (srp_callback_parm.user)
2372 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2373 srp_callback_parm.user->info);
2374 else
2375 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2376 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2377 }
2378 #endif
2379 switch (SSL_get_error(con, k)) {
2380 case SSL_ERROR_NONE:
2381 break;
2382 case SSL_ERROR_WANT_ASYNC:
2383 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2384 (void)BIO_flush(bio_s_out);
2385 wait_for_async(con);
2386 break;
2387 case SSL_ERROR_WANT_WRITE:
2388 case SSL_ERROR_WANT_READ:
2389 case SSL_ERROR_WANT_X509_LOOKUP:
2390 BIO_printf(bio_s_out, "Write BLOCK\n");
2391 (void)BIO_flush(bio_s_out);
2392 break;
2393 case SSL_ERROR_WANT_ASYNC_JOB:
2394 /*
2395 * This shouldn't ever happen in s_server. Treat as an error
2396 */
2397 case SSL_ERROR_SYSCALL:
2398 case SSL_ERROR_SSL:
2399 BIO_printf(bio_s_out, "ERROR\n");
2400 (void)BIO_flush(bio_s_out);
2401 ERR_print_errors(bio_err);
2402 ret = 1;
2403 goto err;
2404 /* break; */
2405 case SSL_ERROR_ZERO_RETURN:
2406 BIO_printf(bio_s_out, "DONE\n");
2407 (void)BIO_flush(bio_s_out);
2408 ret = 1;
2409 goto err;
2410 }
2411 if (k > 0) {
2412 l += k;
2413 i -= k;
2414 }
2415 if (i <= 0)
2416 break;
2417 }
2418 }
2419 if (read_from_sslcon) {
2420 /*
2421 * init_ssl_connection handles all async events itself so if we're
2422 * waiting for async then we shouldn't go back into
2423 * init_ssl_connection
2424 */
2425 if ((!async || !SSL_waiting_for_async(con))
2426 && !SSL_is_init_finished(con)) {
2427 i = init_ssl_connection(con);
2428
2429 if (i < 0) {
2430 ret = 0;
2431 goto err;
2432 } else if (i == 0) {
2433 ret = 1;
2434 goto err;
2435 }
2436 } else {
2437 again:
2438 i = SSL_read(con, (char *)buf, bufsize);
2439 #ifndef OPENSSL_NO_SRP
2440 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2441 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2442 SRP_user_pwd_free(srp_callback_parm.user);
2443 srp_callback_parm.user =
2444 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2445 srp_callback_parm.login);
2446 if (srp_callback_parm.user)
2447 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2448 srp_callback_parm.user->info);
2449 else
2450 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2451 i = SSL_read(con, (char *)buf, bufsize);
2452 }
2453 #endif
2454 switch (SSL_get_error(con, i)) {
2455 case SSL_ERROR_NONE:
2456 #ifdef CHARSET_EBCDIC
2457 ascii2ebcdic(buf, buf, i);
2458 #endif
2459 raw_write_stdout(buf, (unsigned int)i);
2460 (void)BIO_flush(bio_s_out);
2461 if (SSL_has_pending(con))
2462 goto again;
2463 break;
2464 case SSL_ERROR_WANT_ASYNC:
2465 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2466 (void)BIO_flush(bio_s_out);
2467 wait_for_async(con);
2468 break;
2469 case SSL_ERROR_WANT_WRITE:
2470 case SSL_ERROR_WANT_READ:
2471 BIO_printf(bio_s_out, "Read BLOCK\n");
2472 (void)BIO_flush(bio_s_out);
2473 break;
2474 case SSL_ERROR_WANT_ASYNC_JOB:
2475 /*
2476 * This shouldn't ever happen in s_server. Treat as an error
2477 */
2478 case SSL_ERROR_SYSCALL:
2479 case SSL_ERROR_SSL:
2480 BIO_printf(bio_s_out, "ERROR\n");
2481 (void)BIO_flush(bio_s_out);
2482 ERR_print_errors(bio_err);
2483 ret = 1;
2484 goto err;
2485 case SSL_ERROR_ZERO_RETURN:
2486 BIO_printf(bio_s_out, "DONE\n");
2487 (void)BIO_flush(bio_s_out);
2488 ret = 1;
2489 goto err;
2490 }
2491 }
2492 }
2493 }
2494 err:
2495 if (con != NULL) {
2496 BIO_printf(bio_s_out, "shutting down SSL\n");
2497 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2498 SSL_free(con);
2499 }
2500 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2501 OPENSSL_clear_free(buf, bufsize);
2502 if (ret >= 0)
2503 BIO_printf(bio_s_out, "ACCEPT\n");
2504 (void)BIO_flush(bio_s_out);
2505 return (ret);
2506 }
2507
2508 static void close_accept_socket(void)
2509 {
2510 BIO_printf(bio_err, "shutdown accept socket\n");
2511 if (accept_socket >= 0) {
2512 BIO_closesocket(accept_socket);
2513 }
2514 }
2515
2516 static int init_ssl_connection(SSL *con)
2517 {
2518 int i;
2519 const char *str;
2520 X509 *peer;
2521 long verify_err;
2522 char buf[BUFSIZ];
2523 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2524 const unsigned char *next_proto_neg;
2525 unsigned next_proto_neg_len;
2526 #endif
2527 unsigned char *exportedkeymat;
2528 int retry = 0;
2529
2530 #ifndef OPENSSL_NO_DTLS
2531 if (dtlslisten) {
2532 BIO_ADDR *client = NULL;
2533
2534 if ((client = BIO_ADDR_new()) == NULL) {
2535 BIO_printf(bio_err, "ERROR - memory\n");
2536 return 0;
2537 }
2538 i = DTLSv1_listen(con, client);
2539 if (i > 0) {
2540 BIO *wbio;
2541 int fd = -1;
2542
2543 wbio = SSL_get_wbio(con);
2544 if (wbio) {
2545 BIO_get_fd(wbio, &fd);
2546 }
2547
2548 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2549 BIO_printf(bio_err, "ERROR - unable to connect\n");
2550 BIO_ADDR_free(client);
2551 return 0;
2552 }
2553 BIO_ADDR_free(client);
2554 dtlslisten = 0;
2555 i = SSL_accept(con);
2556 } else {
2557 BIO_ADDR_free(client);
2558 }
2559 } else
2560 #endif
2561
2562 do {
2563 i = SSL_accept(con);
2564
2565 if (i <= 0)
2566 retry = BIO_sock_should_retry(i);
2567 #ifdef CERT_CB_TEST_RETRY
2568 {
2569 while (i <= 0
2570 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2571 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2572 BIO_printf(bio_err,
2573 "LOOKUP from certificate callback during accept\n");
2574 i = SSL_accept(con);
2575 if (i <= 0)
2576 retry = BIO_sock_should_retry(i);
2577 }
2578 }
2579 #endif
2580
2581 #ifndef OPENSSL_NO_SRP
2582 while (i <= 0
2583 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2584 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2585 srp_callback_parm.login);
2586 SRP_user_pwd_free(srp_callback_parm.user);
2587 srp_callback_parm.user =
2588 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2589 srp_callback_parm.login);
2590 if (srp_callback_parm.user)
2591 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2592 srp_callback_parm.user->info);
2593 else
2594 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2595 i = SSL_accept(con);
2596 if (i <= 0)
2597 retry = BIO_sock_should_retry(i);
2598 }
2599 #endif
2600 } while (i < 0 && SSL_waiting_for_async(con));
2601
2602 if (i <= 0) {
2603 if ((dtlslisten && i == 0)
2604 || (!dtlslisten && retry)) {
2605 BIO_printf(bio_s_out, "DELAY\n");
2606 return (1);
2607 }
2608
2609 BIO_printf(bio_err, "ERROR\n");
2610
2611 verify_err = SSL_get_verify_result(con);
2612 if (verify_err != X509_V_OK) {
2613 BIO_printf(bio_err, "verify error:%s\n",
2614 X509_verify_cert_error_string(verify_err));
2615 }
2616 /* Always print any error messages */
2617 ERR_print_errors(bio_err);
2618 return (0);
2619 }
2620
2621 if (s_brief)
2622 print_ssl_summary(con);
2623
2624 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2625
2626 peer = SSL_get_peer_certificate(con);
2627 if (peer != NULL) {
2628 BIO_printf(bio_s_out, "Client certificate\n");
2629 PEM_write_bio_X509(bio_s_out, peer);
2630 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2631 BIO_printf(bio_s_out, "subject=%s\n", buf);
2632 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2633 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2634 X509_free(peer);
2635 peer = NULL;
2636 }
2637
2638 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2639 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2640 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2641 ssl_print_sigalgs(bio_s_out, con);
2642 #ifndef OPENSSL_NO_EC
2643 ssl_print_point_formats(bio_s_out, con);
2644 ssl_print_groups(bio_s_out, con, 0);
2645 #endif
2646 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2647
2648 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2649 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2650 if (next_proto_neg) {
2651 BIO_printf(bio_s_out, "NEXTPROTO is ");
2652 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2653 BIO_printf(bio_s_out, "\n");
2654 }
2655 #endif
2656 #ifndef OPENSSL_NO_SRTP
2657 {
2658 SRTP_PROTECTION_PROFILE *srtp_profile
2659 = SSL_get_selected_srtp_profile(con);
2660
2661 if (srtp_profile)
2662 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2663 srtp_profile->name);
2664 }
2665 #endif
2666 if (SSL_session_reused(con))
2667 BIO_printf(bio_s_out, "Reused session-id\n");
2668 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2669 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2670 if (keymatexportlabel != NULL) {
2671 BIO_printf(bio_s_out, "Keying material exporter:\n");
2672 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2673 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2674 exportedkeymat = app_malloc(keymatexportlen, "export key");
2675 if (!SSL_export_keying_material(con, exportedkeymat,
2676 keymatexportlen,
2677 keymatexportlabel,
2678 strlen(keymatexportlabel),
2679 NULL, 0, 0)) {
2680 BIO_printf(bio_s_out, " Error\n");
2681 } else {
2682 BIO_printf(bio_s_out, " Keying material: ");
2683 for (i = 0; i < keymatexportlen; i++)
2684 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2685 BIO_printf(bio_s_out, "\n");
2686 }
2687 OPENSSL_free(exportedkeymat);
2688 }
2689
2690 (void)BIO_flush(bio_s_out);
2691 return (1);
2692 }
2693
2694 #ifndef OPENSSL_NO_DH
2695 static DH *load_dh_param(const char *dhfile)
2696 {
2697 DH *ret = NULL;
2698 BIO *bio;
2699
2700 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2701 goto err;
2702 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2703 err:
2704 BIO_free(bio);
2705 return (ret);
2706 }
2707 #endif
2708
2709 static int www_body(int s, int stype, unsigned char *context)
2710 {
2711 char *buf = NULL;
2712 int ret = 1;
2713 int i, j, k, dot;
2714 SSL *con;
2715 const SSL_CIPHER *c;
2716 BIO *io, *ssl_bio, *sbio;
2717 #ifdef RENEG
2718 int total_bytes = 0;
2719 #endif
2720 int width;
2721 fd_set readfds;
2722
2723 /* Set width for a select call if needed */
2724 width = s + 1;
2725
2726 buf = app_malloc(bufsize, "server www buffer");
2727 io = BIO_new(BIO_f_buffer());
2728 ssl_bio = BIO_new(BIO_f_ssl());
2729 if ((io == NULL) || (ssl_bio == NULL))
2730 goto err;
2731
2732 if (s_nbio) {
2733 if (!BIO_socket_nbio(s, 1))
2734 ERR_print_errors(bio_err);
2735 else if (!s_quiet)
2736 BIO_printf(bio_err, "Turned on non blocking io\n");
2737 }
2738
2739 /* lets make the output buffer a reasonable size */
2740 if (!BIO_set_write_buffer_size(io, bufsize))
2741 goto err;
2742
2743 if ((con = SSL_new(ctx)) == NULL)
2744 goto err;
2745
2746 if (s_tlsextdebug) {
2747 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2748 SSL_set_tlsext_debug_arg(con, bio_s_out);
2749 }
2750
2751 if (context
2752 && !SSL_set_session_id_context(con, context,
2753 strlen((char *)context)))
2754 goto err;
2755
2756 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2757 if (s_nbio_test) {
2758 BIO *test;
2759
2760 test = BIO_new(BIO_f_nbio_test());
2761 sbio = BIO_push(test, sbio);
2762 }
2763 SSL_set_bio(con, sbio, sbio);
2764 SSL_set_accept_state(con);
2765
2766 /* SSL_set_fd(con,s); */
2767 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2768 BIO_push(io, ssl_bio);
2769 #ifdef CHARSET_EBCDIC
2770 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2771 #endif
2772
2773 if (s_debug) {
2774 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2775 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2776 }
2777 if (s_msg) {
2778 #ifndef OPENSSL_NO_SSL_TRACE
2779 if (s_msg == 2)
2780 SSL_set_msg_callback(con, SSL_trace);
2781 else
2782 #endif
2783 SSL_set_msg_callback(con, msg_cb);
2784 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2785 }
2786
2787 for (;;) {
2788 i = BIO_gets(io, buf, bufsize - 1);
2789 if (i < 0) { /* error */
2790 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2791 if (!s_quiet)
2792 ERR_print_errors(bio_err);
2793 goto err;
2794 } else {
2795 BIO_printf(bio_s_out, "read R BLOCK\n");
2796 #ifndef OPENSSL_NO_SRP
2797 if (BIO_should_io_special(io)
2798 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2799 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2800 SRP_user_pwd_free(srp_callback_parm.user);
2801 srp_callback_parm.user =
2802 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2803 srp_callback_parm.login);
2804 if (srp_callback_parm.user)
2805 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2806 srp_callback_parm.user->info);
2807 else
2808 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2809 continue;
2810 }
2811 #endif
2812 #if !defined(OPENSSL_SYS_MSDOS)
2813 sleep(1);
2814 #endif
2815 continue;
2816 }
2817 } else if (i == 0) { /* end of input */
2818 ret = 1;
2819 goto end;
2820 }
2821
2822 /* else we have data */
2823 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2824 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2825 char *p;
2826 X509 *peer = NULL;
2827 STACK_OF(SSL_CIPHER) *sk;
2828 static const char *space = " ";
2829
2830 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2831 if (strncmp("GET /renegcert", buf, 14) == 0)
2832 SSL_set_verify(con,
2833 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2834 NULL);
2835 i = SSL_renegotiate(con);
2836 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2837 /* Send the HelloRequest */
2838 i = SSL_do_handshake(con);
2839 if (i <= 0) {
2840 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2841 SSL_get_error(con, i));
2842 ERR_print_errors(bio_err);
2843 goto err;
2844 }
2845 /* Wait for a ClientHello to come back */
2846 FD_ZERO(&readfds);
2847 openssl_fdset(s, &readfds);
2848 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2849 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2850 BIO_printf(bio_s_out,
2851 "Error waiting for client response\n");
2852 ERR_print_errors(bio_err);
2853 goto err;
2854 }
2855 /*
2856 * We're not actually expecting any data here and we ignore
2857 * any that is sent. This is just to force the handshake that
2858 * we're expecting to come from the client. If they haven't
2859 * sent one there's not much we can do.
2860 */
2861 BIO_gets(io, buf, bufsize - 1);
2862 }
2863
2864 BIO_puts(io,
2865 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2866 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2867 BIO_puts(io, "<pre>\n");
2868 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2869 BIO_puts(io, "\n");
2870 for (i = 0; i < local_argc; i++) {
2871 const char *myp;
2872 for (myp = local_argv[i]; *myp; myp++)
2873 switch (*myp) {
2874 case '<':
2875 BIO_puts(io, "&lt;");
2876 break;
2877 case '>':
2878 BIO_puts(io, "&gt;");
2879 break;
2880 case '&':
2881 BIO_puts(io, "&amp;");
2882 break;
2883 default:
2884 BIO_write(io, myp, 1);
2885 break;
2886 }
2887 BIO_write(io, " ", 1);
2888 }
2889 BIO_puts(io, "\n");
2890
2891 BIO_printf(io,
2892 "Secure Renegotiation IS%s supported\n",
2893 SSL_get_secure_renegotiation_support(con) ?
2894 "" : " NOT");
2895
2896 /*
2897 * The following is evil and should not really be done
2898 */
2899 BIO_printf(io, "Ciphers supported in s_server binary\n");
2900 sk = SSL_get_ciphers(con);
2901 j = sk_SSL_CIPHER_num(sk);
2902 for (i = 0; i < j; i++) {
2903 c = sk_SSL_CIPHER_value(sk, i);
2904 BIO_printf(io, "%-11s:%-25s ",
2905 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2906 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2907 BIO_puts(io, "\n");
2908 }
2909 BIO_puts(io, "\n");
2910 p = SSL_get_shared_ciphers(con, buf, bufsize);
2911 if (p != NULL) {
2912 BIO_printf(io,
2913 "---\nCiphers common between both SSL end points:\n");
2914 j = i = 0;
2915 while (*p) {
2916 if (*p == ':') {
2917 BIO_write(io, space, 26 - j);
2918 i++;
2919 j = 0;
2920 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2921 } else {
2922 BIO_write(io, p, 1);
2923 j++;
2924 }
2925 p++;
2926 }
2927 BIO_puts(io, "\n");
2928 }
2929 ssl_print_sigalgs(io, con);
2930 #ifndef OPENSSL_NO_EC
2931 ssl_print_groups(io, con, 0);
2932 #endif
2933 BIO_printf(io, (SSL_session_reused(con)
2934 ? "---\nReused, " : "---\nNew, "));
2935 c = SSL_get_current_cipher(con);
2936 BIO_printf(io, "%s, Cipher is %s\n",
2937 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2938 SSL_SESSION_print(io, SSL_get_session(con));
2939 BIO_printf(io, "---\n");
2940 print_stats(io, SSL_get_SSL_CTX(con));
2941 BIO_printf(io, "---\n");
2942 peer = SSL_get_peer_certificate(con);
2943 if (peer != NULL) {
2944 BIO_printf(io, "Client certificate\n");
2945 X509_print(io, peer);
2946 PEM_write_bio_X509(io, peer);
2947 X509_free(peer);
2948 peer = NULL;
2949 } else
2950 BIO_puts(io, "no client certificate available\n");
2951 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2952 break;
2953 } else if ((www == 2 || www == 3)
2954 && (strncmp("GET /", buf, 5) == 0)) {
2955 BIO *file;
2956 char *p, *e;
2957 static const char *text =
2958 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2959
2960 /* skip the '/' */
2961 p = &(buf[5]);
2962
2963 dot = 1;
2964 for (e = p; *e != '\0'; e++) {
2965 if (e[0] == ' ')
2966 break;
2967
2968 switch (dot) {
2969 case 1:
2970 dot = (e[0] == '.') ? 2 : 0;
2971 break;
2972 case 2:
2973 dot = (e[0] == '.') ? 3 : 0;
2974 break;
2975 case 3:
2976 dot = (e[0] == '/') ? -1 : 0;
2977 break;
2978 }
2979 if (dot == 0)
2980 dot = (e[0] == '/') ? 1 : 0;
2981 }
2982 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2983 * component */
2984
2985 if (*e == '\0') {
2986 BIO_puts(io, text);
2987 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2988 break;
2989 }
2990 *e = '\0';
2991
2992 if (dot) {
2993 BIO_puts(io, text);
2994 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2995 break;
2996 }
2997
2998 if (*p == '/') {
2999 BIO_puts(io, text);
3000 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3001 break;
3002 }
3003
3004 /* if a directory, do the index thang */
3005 if (app_isdir(p) > 0) {
3006 BIO_puts(io, text);
3007 BIO_printf(io, "'%s' is a directory\r\n", p);
3008 break;
3009 }
3010
3011 if ((file = BIO_new_file(p, "r")) == NULL) {
3012 BIO_puts(io, text);
3013 BIO_printf(io, "Error opening '%s'\r\n", p);
3014 ERR_print_errors(io);
3015 break;
3016 }
3017
3018 if (!s_quiet)
3019 BIO_printf(bio_err, "FILE:%s\n", p);
3020
3021 if (www == 2) {
3022 i = strlen(p);
3023 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3024 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3025 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3026 BIO_puts(io,
3027 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3028 else
3029 BIO_puts(io,
3030 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3031 }
3032 /* send the file */
3033 for (;;) {
3034 i = BIO_read(file, buf, bufsize);
3035 if (i <= 0)
3036 break;
3037
3038 #ifdef RENEG
3039 total_bytes += i;
3040 BIO_printf(bio_err, "%d\n", i);
3041 if (total_bytes > 3 * 1024) {
3042 total_bytes = 0;
3043 BIO_printf(bio_err, "RENEGOTIATE\n");
3044 SSL_renegotiate(con);
3045 }
3046 #endif
3047
3048 for (j = 0; j < i;) {
3049 #ifdef RENEG
3050 static count = 0;
3051 if (++count == 13) {
3052 SSL_renegotiate(con);
3053 }
3054 #endif
3055 k = BIO_write(io, &(buf[j]), i - j);
3056 if (k <= 0) {
3057 if (!BIO_should_retry(io)
3058 && !SSL_waiting_for_async(con))
3059 goto write_error;
3060 else {
3061 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3062 }
3063 } else {
3064 j += k;
3065 }
3066 }
3067 }
3068 write_error:
3069 BIO_free(file);
3070 break;
3071 }
3072 }
3073
3074 for (;;) {
3075 i = (int)BIO_flush(io);
3076 if (i <= 0) {
3077 if (!BIO_should_retry(io))
3078 break;
3079 } else
3080 break;
3081 }
3082 end:
3083 /* make sure we re-use sessions */
3084 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3085
3086 err:
3087 if (ret >= 0)
3088 BIO_printf(bio_s_out, "ACCEPT\n");
3089 OPENSSL_free(buf);
3090 BIO_free_all(io);
3091 return (ret);
3092 }
3093
3094 static int rev_body(int s, int stype, unsigned char *context)
3095 {
3096 char *buf = NULL;
3097 int i;
3098 int ret = 1;
3099 SSL *con;
3100 BIO *io, *ssl_bio, *sbio;
3101
3102 buf = app_malloc(bufsize, "server rev buffer");
3103 io = BIO_new(BIO_f_buffer());
3104 ssl_bio = BIO_new(BIO_f_ssl());
3105 if ((io == NULL) || (ssl_bio == NULL))
3106 goto err;
3107
3108 /* lets make the output buffer a reasonable size */
3109 if (!BIO_set_write_buffer_size(io, bufsize))
3110 goto err;
3111
3112 if ((con = SSL_new(ctx)) == NULL)
3113 goto err;
3114
3115 if (s_tlsextdebug) {
3116 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3117 SSL_set_tlsext_debug_arg(con, bio_s_out);
3118 }
3119 if (context
3120 && !SSL_set_session_id_context(con, context,
3121 strlen((char *)context))) {
3122 ERR_print_errors(bio_err);
3123 goto err;
3124 }
3125
3126 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3127 SSL_set_bio(con, sbio, sbio);
3128 SSL_set_accept_state(con);
3129
3130 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3131 BIO_push(io, ssl_bio);
3132 #ifdef CHARSET_EBCDIC
3133 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3134 #endif
3135
3136 if (s_debug) {
3137 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3138 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3139 }
3140 if (s_msg) {
3141 #ifndef OPENSSL_NO_SSL_TRACE
3142 if (s_msg == 2)
3143 SSL_set_msg_callback(con, SSL_trace);
3144 else
3145 #endif
3146 SSL_set_msg_callback(con, msg_cb);
3147 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3148 }
3149
3150 for (;;) {
3151 i = BIO_do_handshake(io);
3152 if (i > 0)
3153 break;
3154 if (!BIO_should_retry(io)) {
3155 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3156 ERR_print_errors(bio_err);
3157 goto end;
3158 }
3159 #ifndef OPENSSL_NO_SRP
3160 if (BIO_should_io_special(io)
3161 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3162 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3163 SRP_user_pwd_free(srp_callback_parm.user);
3164 srp_callback_parm.user =
3165 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3166 srp_callback_parm.login);
3167 if (srp_callback_parm.user)
3168 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3169 srp_callback_parm.user->info);
3170 else
3171 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3172 continue;
3173 }
3174 #endif
3175 }
3176 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3177 print_ssl_summary(con);
3178
3179 for (;;) {
3180 i = BIO_gets(io, buf, bufsize - 1);
3181 if (i < 0) { /* error */
3182 if (!BIO_should_retry(io)) {
3183 if (!s_quiet)
3184 ERR_print_errors(bio_err);
3185 goto err;
3186 } else {
3187 BIO_printf(bio_s_out, "read R BLOCK\n");
3188 #ifndef OPENSSL_NO_SRP
3189 if (BIO_should_io_special(io)
3190 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3191 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3192 SRP_user_pwd_free(srp_callback_parm.user);
3193 srp_callback_parm.user =
3194 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3195 srp_callback_parm.login);
3196 if (srp_callback_parm.user)
3197 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3198 srp_callback_parm.user->info);
3199 else
3200 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3201 continue;
3202 }
3203 #endif
3204 #if !defined(OPENSSL_SYS_MSDOS)
3205 sleep(1);
3206 #endif
3207 continue;
3208 }
3209 } else if (i == 0) { /* end of input */
3210 ret = 1;
3211 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3212 goto end;
3213 } else {
3214 char *p = buf + i - 1;
3215 while (i && (*p == '\n' || *p == '\r')) {
3216 p--;
3217 i--;
3218 }
3219 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3220 ret = 1;
3221 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3222 goto end;
3223 }
3224 BUF_reverse((unsigned char *)buf, NULL, i);
3225 buf[i] = '\n';
3226 BIO_write(io, buf, i + 1);
3227 for (;;) {
3228 i = BIO_flush(io);
3229 if (i > 0)
3230 break;
3231 if (!BIO_should_retry(io))
3232 goto end;
3233 }
3234 }
3235 }
3236 end:
3237 /* make sure we re-use sessions */
3238 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3239
3240 err:
3241
3242 OPENSSL_free(buf);
3243 BIO_free_all(io);
3244 return (ret);
3245 }
3246
3247 #define MAX_SESSION_ID_ATTEMPTS 10
3248 static int generate_session_id(const SSL *ssl, unsigned char *id,
3249 unsigned int *id_len)
3250 {
3251 unsigned int count = 0;
3252 do {
3253 if (RAND_bytes(id, *id_len) <= 0)
3254 return 0;
3255 /*
3256 * Prefix the session_id with the required prefix. NB: If our prefix
3257 * is too long, clip it - but there will be worse effects anyway, eg.
3258 * the server could only possibly create 1 session ID (ie. the
3259 * prefix!) so all future session negotiations will fail due to
3260 * conflicts.
3261 */
3262 memcpy(id, session_id_prefix,
3263 (strlen(session_id_prefix) < *id_len) ?
3264 strlen(session_id_prefix) : *id_len);
3265 }
3266 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3267 (++count < MAX_SESSION_ID_ATTEMPTS));
3268 if (count >= MAX_SESSION_ID_ATTEMPTS)
3269 return 0;
3270 return 1;
3271 }
3272
3273 /*
3274 * By default s_server uses an in-memory cache which caches SSL_SESSION
3275 * structures without any serialisation. This hides some bugs which only
3276 * become apparent in deployed servers. By implementing a basic external
3277 * session cache some issues can be debugged using s_server.
3278 */
3279
3280 typedef struct simple_ssl_session_st {
3281 unsigned char *id;
3282 unsigned int idlen;
3283 unsigned char *der;
3284 int derlen;
3285 struct simple_ssl_session_st *next;
3286 } simple_ssl_session;
3287
3288 static simple_ssl_session *first = NULL;
3289
3290 static int add_session(SSL *ssl, SSL_SESSION *session)
3291 {
3292 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3293 unsigned char *p;
3294
3295 SSL_SESSION_get_id(session, &sess->idlen);
3296 sess->derlen = i2d_SSL_SESSION(session, NULL);
3297 if (sess->derlen < 0) {
3298 BIO_printf(bio_err, "Error encoding session\n");
3299 OPENSSL_free(sess);
3300 return 0;
3301 }
3302
3303 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3304 sess->der = app_malloc(sess->derlen, "get session buffer");
3305 if (!sess->id) {
3306 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3307 OPENSSL_free(sess->id);
3308 OPENSSL_free(sess->der);
3309 OPENSSL_free(sess);
3310 return 0;
3311 }
3312 p = sess->der;
3313
3314 /* Assume it still works. */
3315 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3316 BIO_printf(bio_err, "Unexpected session encoding length\n");
3317 OPENSSL_free(sess->id);
3318 OPENSSL_free(sess->der);
3319 OPENSSL_free(sess);
3320 return 0;
3321 }
3322
3323 sess->next = first;
3324 first = sess;
3325 BIO_printf(bio_err, "New session added to external cache\n");
3326 return 0;
3327 }
3328
3329 static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3330 int *do_copy)
3331 {
3332 simple_ssl_session *sess;
3333 *do_copy = 0;
3334 for (sess = first; sess; sess = sess->next) {
3335 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3336 const unsigned char *p = sess->der;
3337 BIO_printf(bio_err, "Lookup session: cache hit\n");
3338 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3339 }
3340 }
3341 BIO_printf(bio_err, "Lookup session: cache miss\n");
3342 return NULL;
3343 }
3344
3345 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3346 {
3347 simple_ssl_session *sess, *prev = NULL;
3348 const unsigned char *id;
3349 unsigned int idlen;
3350 id = SSL_SESSION_get_id(session, &idlen);
3351 for (sess = first; sess; sess = sess->next) {
3352 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3353 if (prev)
3354 prev->next = sess->next;
3355 else
3356 first = sess->next;
3357 OPENSSL_free(sess->id);
3358 OPENSSL_free(sess->der);
3359 OPENSSL_free(sess);
3360 return;
3361 }
3362 prev = sess;
3363 }
3364 }
3365
3366 static void init_session_cache_ctx(SSL_CTX *sctx)
3367 {
3368 SSL_CTX_set_session_cache_mode(sctx,
3369 SSL_SESS_CACHE_NO_INTERNAL |
3370 SSL_SESS_CACHE_SERVER);
3371 SSL_CTX_sess_set_new_cb(sctx, add_session);
3372 SSL_CTX_sess_set_get_cb(sctx, get_session);
3373 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3374 }
3375
3376 static void free_sessions(void)
3377 {
3378 simple_ssl_session *sess, *tsess;
3379 for (sess = first; sess;) {
3380 OPENSSL_free(sess->id);
3381 OPENSSL_free(sess->der);
3382 tsess = sess;
3383 sess = sess->next;
3384 OPENSSL_free(tsess);
3385 }
3386 first = NULL;
3387 }
3388
3389 #endif /* OPENSSL_NO_SOCK */
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