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192.168.1.100 / T106_DC / dbebd39b9f06962e9ba51c442fe3e2bf1d2da2ce / . / ap / lib / libssl / openssl-1.1.1o / apps / s_server.c
blob: 1a42bf89c7a03ee465ddaf9cabe063d808f2a7d0 [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -0700[diff] [blame]1/*
2 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4 * Copyright 2005 Nokia. All rights reserved.
5 *
6 * Licensed under the OpenSSL license (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
10 */
11
12#include <ctype.h>
13#include <stdio.h>
14#include <stdlib.h>
15#include <string.h>
16#if defined(_WIN32)
17/* Included before async.h to avoid some warnings */
18# include <windows.h>
19#endif
20
21#include <openssl/e_os2.h>
22#include <openssl/async.h>
23#include <openssl/ssl.h>
24
25#ifndef OPENSSL_NO_SOCK
26
27/*
28 * With IPv6, it looks like Digital has mixed up the proper order of
29 * recursive header file inclusion, resulting in the compiler complaining
30 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
31 * needed to have fileno() declared correctly... So let's define u_int
32 */
33#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
34# define __U_INT
35typedef unsigned int u_int;
36#endif
37
38#include <openssl/bn.h>
39#include "apps.h"
40#include "progs.h"
41#include <openssl/err.h>
42#include <openssl/pem.h>
43#include <openssl/x509.h>
44#include <openssl/ssl.h>
45#include <openssl/rand.h>
46#include <openssl/ocsp.h>
47#ifndef OPENSSL_NO_DH
48# include <openssl/dh.h>
49#endif
50#ifndef OPENSSL_NO_RSA
51# include <openssl/rsa.h>
52#endif
53#ifndef OPENSSL_NO_SRP
54# include <openssl/srp.h>
55#endif
56#include "s_apps.h"
57#include "timeouts.h"
58#ifdef CHARSET_EBCDIC
59#include <openssl/ebcdic.h>
60#endif
61#include "internal/sockets.h"
62
63static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
64static int sv_body(int s, int stype, int prot, unsigned char *context);
65static int www_body(int s, int stype, int prot, unsigned char *context);
66static int rev_body(int s, int stype, int prot, unsigned char *context);
67static void close_accept_socket(void);
68static int init_ssl_connection(SSL *s);
69static void print_stats(BIO *bp, SSL_CTX *ctx);
70static int generate_session_id(SSL *ssl, unsigned char *id,
71 unsigned int *id_len);
72static void init_session_cache_ctx(SSL_CTX *sctx);
73static void free_sessions(void);
74#ifndef OPENSSL_NO_DH
75static DH *load_dh_param(const char *dhfile);
76#endif
77static void print_connection_info(SSL *con);
78
79static const int bufsize = 16 * 1024;
80static int accept_socket = -1;
81
82#define TEST_CERT "server.pem"
83#define TEST_CERT2 "server2.pem"
84
85static int s_nbio = 0;
86static int s_nbio_test = 0;
87static int s_crlf = 0;
88static SSL_CTX *ctx = NULL;
89static SSL_CTX *ctx2 = NULL;
90static int www = 0;
91
92static BIO *bio_s_out = NULL;
93static BIO *bio_s_msg = NULL;
94static int s_debug = 0;
95static int s_tlsextdebug = 0;
96static int s_msg = 0;
97static int s_quiet = 0;
98static int s_ign_eof = 0;
99static int s_brief = 0;
100
101static char *keymatexportlabel = NULL;
102static int keymatexportlen = 20;
103
104static int async = 0;
105
106static const char *session_id_prefix = NULL;
107
108#ifndef OPENSSL_NO_DTLS
109static int enable_timeouts = 0;
110static long socket_mtu;
111#endif
112
113/*
114 * We define this but make it always be 0 in no-dtls builds to simplify the
115 * code.
116 */
117static int dtlslisten = 0;
118static int stateless = 0;
119
120static int early_data = 0;
121static SSL_SESSION *psksess = NULL;
122
123static char *psk_identity = "Client_identity";
124char *psk_key = NULL; /* by default PSK is not used */
125
126#ifndef OPENSSL_NO_PSK
127static unsigned int psk_server_cb(SSL *ssl, const char *identity,
128 unsigned char *psk,
129 unsigned int max_psk_len)
130{
131 long key_len = 0;
132 unsigned char *key;
133
134 if (s_debug)
135 BIO_printf(bio_s_out, "psk_server_cb\n");
136
137 if (!SSL_is_dtls(ssl) && SSL_version(ssl) >= TLS1_3_VERSION) {
138 /*
139 * This callback is designed for use in (D)TLSv1.2 (or below). It is
140 * possible to use a single callback for all protocol versions - but it
141 * is preferred to use a dedicated callback for TLSv1.3. For TLSv1.3 we
142 * have psk_find_session_cb.
143 */
144 return 0;
145 }
146
147 if (identity == NULL) {
148 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
149 goto out_err;
150 }
151 if (s_debug)
152 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
153 (int)strlen(identity), identity);
154
155 /* here we could lookup the given identity e.g. from a database */
156 if (strcmp(identity, psk_identity) != 0) {
157 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
158 " (got '%s' expected '%s')\n", identity, psk_identity);
159 } else {
160 if (s_debug)
161 BIO_printf(bio_s_out, "PSK client identity found\n");
162 }
163
164 /* convert the PSK key to binary */
165 key = OPENSSL_hexstr2buf(psk_key, &key_len);
166 if (key == NULL) {
167 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
168 psk_key);
169 return 0;
170 }
171 if (key_len > (int)max_psk_len) {
172 BIO_printf(bio_err,
173 "psk buffer of callback is too small (%d) for key (%ld)\n",
174 max_psk_len, key_len);
175 OPENSSL_free(key);
176 return 0;
177 }
178
179 memcpy(psk, key, key_len);
180 OPENSSL_free(key);
181
182 if (s_debug)
183 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
184 return key_len;
185 out_err:
186 if (s_debug)
187 BIO_printf(bio_err, "Error in PSK server callback\n");
188 (void)BIO_flush(bio_err);
189 (void)BIO_flush(bio_s_out);
190 return 0;
191}
192#endif
193
194static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
195 size_t identity_len, SSL_SESSION **sess)
196{
197 SSL_SESSION *tmpsess = NULL;
198 unsigned char *key;
199 long key_len;
200 const SSL_CIPHER *cipher = NULL;
201
202 if (strlen(psk_identity) != identity_len
203 || memcmp(psk_identity, identity, identity_len) != 0) {
204 *sess = NULL;
205 return 1;
206 }
207
208 if (psksess != NULL) {
209 SSL_SESSION_up_ref(psksess);
210 *sess = psksess;
211 return 1;
212 }
213
214 key = OPENSSL_hexstr2buf(psk_key, &key_len);
215 if (key == NULL) {
216 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
217 psk_key);
218 return 0;
219 }
220
221 /* We default to SHA256 */
222 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
223 if (cipher == NULL) {
224 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
225 OPENSSL_free(key);
226 return 0;
227 }
228
229 tmpsess = SSL_SESSION_new();
230 if (tmpsess == NULL
231 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
232 || !SSL_SESSION_set_cipher(tmpsess, cipher)
233 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
234 OPENSSL_free(key);
235 return 0;
236 }
237 OPENSSL_free(key);
238 *sess = tmpsess;
239
240 return 1;
241}
242
243#ifndef OPENSSL_NO_SRP
244/* This is a context that we pass to callbacks */
245typedef struct srpsrvparm_st {
246 char *login;
247 SRP_VBASE *vb;
248 SRP_user_pwd *user;
249} srpsrvparm;
250static srpsrvparm srp_callback_parm;
251
252/*
253 * This callback pretends to require some asynchronous logic in order to
254 * obtain a verifier. When the callback is called for a new connection we
255 * return with a negative value. This will provoke the accept etc to return
256 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
257 * (which would normally occur after a worker has finished) and we set the
258 * user parameters.
259 */
260static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
261{
262 srpsrvparm *p = (srpsrvparm *) arg;
263 int ret = SSL3_AL_FATAL;
264
265 if (p->login == NULL && p->user == NULL) {
266 p->login = SSL_get_srp_username(s);
267 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
268 return -1;
269 }
270
271 if (p->user == NULL) {
272 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
273 goto err;
274 }
275
276 if (SSL_set_srp_server_param
277 (s, p->user->N, p->user->g, p->user->s, p->user->v,
278 p->user->info) < 0) {
279 *ad = SSL_AD_INTERNAL_ERROR;
280 goto err;
281 }
282 BIO_printf(bio_err,
283 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
284 p->login, p->user->info);
285 ret = SSL_ERROR_NONE;
286
287 err:
288 SRP_user_pwd_free(p->user);
289 p->user = NULL;
290 p->login = NULL;
291 return ret;
292}
293
294#endif
295
296static int local_argc = 0;
297static char **local_argv;
298
299#ifdef CHARSET_EBCDIC
300static int ebcdic_new(BIO *bi);
301static int ebcdic_free(BIO *a);
302static int ebcdic_read(BIO *b, char *out, int outl);
303static int ebcdic_write(BIO *b, const char *in, int inl);
304static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
305static int ebcdic_gets(BIO *bp, char *buf, int size);
306static int ebcdic_puts(BIO *bp, const char *str);
307
308# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
309static BIO_METHOD *methods_ebcdic = NULL;
310
311/* This struct is "unwarranted chumminess with the compiler." */
312typedef struct {
313 size_t alloced;
314 char buff[1];
315} EBCDIC_OUTBUFF;
316
317static const BIO_METHOD *BIO_f_ebcdic_filter()
318{
319 if (methods_ebcdic == NULL) {
320 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
321 "EBCDIC/ASCII filter");
322 if (methods_ebcdic == NULL
323 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
324 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
325 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
326 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
327 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
328 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
329 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
330 return NULL;
331 }
332 return methods_ebcdic;
333}
334
335static int ebcdic_new(BIO *bi)
336{
337 EBCDIC_OUTBUFF *wbuf;
338
339 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
340 wbuf->alloced = 1024;
341 wbuf->buff[0] = '\0';
342
343 BIO_set_data(bi, wbuf);
344 BIO_set_init(bi, 1);
345 return 1;
346}
347
348static int ebcdic_free(BIO *a)
349{
350 EBCDIC_OUTBUFF *wbuf;
351
352 if (a == NULL)
353 return 0;
354 wbuf = BIO_get_data(a);
355 OPENSSL_free(wbuf);
356 BIO_set_data(a, NULL);
357 BIO_set_init(a, 0);
358
359 return 1;
360}
361
362static int ebcdic_read(BIO *b, char *out, int outl)
363{
364 int ret = 0;
365 BIO *next = BIO_next(b);
366
367 if (out == NULL || outl == 0)
368 return 0;
369 if (next == NULL)
370 return 0;
371
372 ret = BIO_read(next, out, outl);
373 if (ret > 0)
374 ascii2ebcdic(out, out, ret);
375 return ret;
376}
377
378static int ebcdic_write(BIO *b, const char *in, int inl)
379{
380 EBCDIC_OUTBUFF *wbuf;
381 BIO *next = BIO_next(b);
382 int ret = 0;
383 int num;
384
385 if ((in == NULL) || (inl <= 0))
386 return 0;
387 if (next == NULL)
388 return 0;
389
390 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
391
392 if (inl > (num = wbuf->alloced)) {
393 num = num + num; /* double the size */
394 if (num < inl)
395 num = inl;
396 OPENSSL_free(wbuf);
397 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
398
399 wbuf->alloced = num;
400 wbuf->buff[0] = '\0';
401
402 BIO_set_data(b, wbuf);
403 }
404
405 ebcdic2ascii(wbuf->buff, in, inl);
406
407 ret = BIO_write(next, wbuf->buff, inl);
408
409 return ret;
410}
411
412static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
413{
414 long ret;
415 BIO *next = BIO_next(b);
416
417 if (next == NULL)
418 return 0;
419 switch (cmd) {
420 case BIO_CTRL_DUP:
421 ret = 0L;
422 break;
423 default:
424 ret = BIO_ctrl(next, cmd, num, ptr);
425 break;
426 }
427 return ret;
428}
429
430static int ebcdic_gets(BIO *bp, char *buf, int size)
431{
432 int i, ret = 0;
433 BIO *next = BIO_next(bp);
434
435 if (next == NULL)
436 return 0;
437/* return(BIO_gets(bp->next_bio,buf,size));*/
438 for (i = 0; i < size - 1; ++i) {
439 ret = ebcdic_read(bp, &buf[i], 1);
440 if (ret <= 0)
441 break;
442 else if (buf[i] == '\n') {
443 ++i;
444 break;
445 }
446 }
447 if (i < size)
448 buf[i] = '\0';
449 return (ret < 0 && i == 0) ? ret : i;
450}
451
452static int ebcdic_puts(BIO *bp, const char *str)
453{
454 if (BIO_next(bp) == NULL)
455 return 0;
456 return ebcdic_write(bp, str, strlen(str));
457}
458#endif
459
460/* This is a context that we pass to callbacks */
461typedef struct tlsextctx_st {
462 char *servername;
463 BIO *biodebug;
464 int extension_error;
465} tlsextctx;
466
467static int ssl_servername_cb(SSL *s, int *ad, void *arg)
468{
469 tlsextctx *p = (tlsextctx *) arg;
470 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
471
472 if (servername != NULL && p->biodebug != NULL) {
473 const char *cp = servername;
474 unsigned char uc;
475
476 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
477 while ((uc = *cp++) != 0)
478 BIO_printf(p->biodebug,
479 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
480 BIO_printf(p->biodebug, "\"\n");
481 }
482
483 if (p->servername == NULL)
484 return SSL_TLSEXT_ERR_NOACK;
485
486 if (servername != NULL) {
487 if (strcasecmp(servername, p->servername))
488 return p->extension_error;
489 if (ctx2 != NULL) {
490 BIO_printf(p->biodebug, "Switching server context.\n");
491 SSL_set_SSL_CTX(s, ctx2);
492 }
493 }
494 return SSL_TLSEXT_ERR_OK;
495}
496
497/* Structure passed to cert status callback */
498typedef struct tlsextstatusctx_st {
499 int timeout;
500 /* File to load OCSP Response from (or NULL if no file) */
501 char *respin;
502 /* Default responder to use */
503 char *host, *path, *port;
504 int use_ssl;
505 int verbose;
506} tlsextstatusctx;
507
508static tlsextstatusctx tlscstatp = { -1 };
509
510#ifndef OPENSSL_NO_OCSP
511
512/*
513 * Helper function to get an OCSP_RESPONSE from a responder. This is a
514 * simplified version. It examines certificates each time and makes one OCSP
515 * responder query for each request. A full version would store details such as
516 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
517 * them until they were considered "expired".
518 */
519static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
520 OCSP_RESPONSE **resp)
521{
522 char *host = NULL, *port = NULL, *path = NULL;
523 int use_ssl;
524 STACK_OF(OPENSSL_STRING) *aia = NULL;
525 X509 *x = NULL;
526 X509_STORE_CTX *inctx = NULL;
527 X509_OBJECT *obj;
528 OCSP_REQUEST *req = NULL;
529 OCSP_CERTID *id = NULL;
530 STACK_OF(X509_EXTENSION) *exts;
531 int ret = SSL_TLSEXT_ERR_NOACK;
532 int i;
533
534 /* Build up OCSP query from server certificate */
535 x = SSL_get_certificate(s);
536 aia = X509_get1_ocsp(x);
537 if (aia != NULL) {
538 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
539 &host, &port, &path, &use_ssl)) {
540 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
541 goto err;
542 }
543 if (srctx->verbose)
544 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
545 sk_OPENSSL_STRING_value(aia, 0));
546 } else {
547 if (srctx->host == NULL) {
548 BIO_puts(bio_err,
549 "cert_status: no AIA and no default responder URL\n");
550 goto done;
551 }
552 host = srctx->host;
553 path = srctx->path;
554 port = srctx->port;
555 use_ssl = srctx->use_ssl;
556 }
557
558 inctx = X509_STORE_CTX_new();
559 if (inctx == NULL)
560 goto err;
561 if (!X509_STORE_CTX_init(inctx,
562 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
563 NULL, NULL))
564 goto err;
565 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
566 X509_get_issuer_name(x));
567 if (obj == NULL) {
568 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
569 goto done;
570 }
571 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
572 X509_OBJECT_free(obj);
573 if (id == NULL)
574 goto err;
575 req = OCSP_REQUEST_new();
576 if (req == NULL)
577 goto err;
578 if (!OCSP_request_add0_id(req, id))
579 goto err;
580 id = NULL;
581 /* Add any extensions to the request */
582 SSL_get_tlsext_status_exts(s, &exts);
583 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
584 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
585 if (!OCSP_REQUEST_add_ext(req, ext, -1))
586 goto err;
587 }
588 *resp = process_responder(req, host, path, port, use_ssl, NULL,
589 srctx->timeout);
590 if (*resp == NULL) {
591 BIO_puts(bio_err, "cert_status: error querying responder\n");
592 goto done;
593 }
594
595 ret = SSL_TLSEXT_ERR_OK;
596 goto done;
597
598 err:
599 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
600 done:
601 /*
602 * If we parsed aia we need to free; otherwise they were copied and we
603 * don't
604 */
605 if (aia != NULL) {
606 OPENSSL_free(host);
607 OPENSSL_free(path);
608 OPENSSL_free(port);
609 X509_email_free(aia);
610 }
611 OCSP_CERTID_free(id);
612 OCSP_REQUEST_free(req);
613 X509_STORE_CTX_free(inctx);
614 return ret;
615}
616
617/*
618 * Certificate Status callback. This is called when a client includes a
619 * certificate status request extension. The response is either obtained from a
620 * file, or from an OCSP responder.
621 */
622static int cert_status_cb(SSL *s, void *arg)
623{
624 tlsextstatusctx *srctx = arg;
625 OCSP_RESPONSE *resp = NULL;
626 unsigned char *rspder = NULL;
627 int rspderlen;
628 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
629
630 if (srctx->verbose)
631 BIO_puts(bio_err, "cert_status: callback called\n");
632
633 if (srctx->respin != NULL) {
634 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
635 if (derbio == NULL) {
636 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
637 goto err;
638 }
639 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
640 BIO_free(derbio);
641 if (resp == NULL) {
642 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
643 goto err;
644 }
645 } else {
646 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
647 if (ret != SSL_TLSEXT_ERR_OK)
648 goto err;
649 }
650
651 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
652 if (rspderlen <= 0)
653 goto err;
654
655 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
656 if (srctx->verbose) {
657 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
658 OCSP_RESPONSE_print(bio_err, resp, 2);
659 }
660
661 ret = SSL_TLSEXT_ERR_OK;
662
663 err:
664 if (ret != SSL_TLSEXT_ERR_OK)
665 ERR_print_errors(bio_err);
666
667 OCSP_RESPONSE_free(resp);
668
669 return ret;
670}
671#endif
672
673#ifndef OPENSSL_NO_NEXTPROTONEG
674/* This is the context that we pass to next_proto_cb */
675typedef struct tlsextnextprotoctx_st {
676 unsigned char *data;
677 size_t len;
678} tlsextnextprotoctx;
679
680static int next_proto_cb(SSL *s, const unsigned char **data,
681 unsigned int *len, void *arg)
682{
683 tlsextnextprotoctx *next_proto = arg;
684
685 *data = next_proto->data;
686 *len = next_proto->len;
687
688 return SSL_TLSEXT_ERR_OK;
689}
690#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
691
692/* This the context that we pass to alpn_cb */
693typedef struct tlsextalpnctx_st {
694 unsigned char *data;
695 size_t len;
696} tlsextalpnctx;
697
698static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
699 const unsigned char *in, unsigned int inlen, void *arg)
700{
701 tlsextalpnctx *alpn_ctx = arg;
702
703 if (!s_quiet) {
704 /* We can assume that |in| is syntactically valid. */
705 unsigned int i;
706 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
707 for (i = 0; i < inlen;) {
708 if (i)
709 BIO_write(bio_s_out, ", ", 2);
710 BIO_write(bio_s_out, &in[i + 1], in[i]);
711 i += in[i] + 1;
712 }
713 BIO_write(bio_s_out, "\n", 1);
714 }
715
716 if (SSL_select_next_proto
717 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
718 inlen) != OPENSSL_NPN_NEGOTIATED) {
719 return SSL_TLSEXT_ERR_NOACK;
720 }
721
722 if (!s_quiet) {
723 BIO_printf(bio_s_out, "ALPN protocols selected: ");
724 BIO_write(bio_s_out, *out, *outlen);
725 BIO_write(bio_s_out, "\n", 1);
726 }
727
728 return SSL_TLSEXT_ERR_OK;
729}
730
731static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
732{
733 /* disable resumption for sessions with forward secure ciphers */
734 return is_forward_secure;
735}
736
737typedef enum OPTION_choice {
738 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
739 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
740 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
741 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
742 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
743 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
744 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
745 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
746 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
747 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
748 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
749 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
750 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
751 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
752 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
753 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
754 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
755 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
756 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
757 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
758 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
759 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
760 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
761 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
762 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
763 OPT_R_ENUM,
764 OPT_S_ENUM,
765 OPT_V_ENUM,
766 OPT_X_ENUM
767} OPTION_CHOICE;
768
769const OPTIONS s_server_options[] = {
770 {"help", OPT_HELP, '-', "Display this summary"},
771 {"port", OPT_PORT, 'p',
772 "TCP/IP port to listen on for connections (default is " PORT ")"},
773 {"accept", OPT_ACCEPT, 's',
774 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
775#ifdef AF_UNIX
776 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
777#endif
778 {"4", OPT_4, '-', "Use IPv4 only"},
779 {"6", OPT_6, '-', "Use IPv6 only"},
780#ifdef AF_UNIX
781 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
782#endif
783 {"context", OPT_CONTEXT, 's', "Set session ID context"},
784 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
785 {"Verify", OPT_UPPER_V_VERIFY, 'n',
786 "Turn on peer certificate verification, must have a cert"},
787 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
788 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
789 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
790 {"serverinfo", OPT_SERVERINFO, 's',
791 "PEM serverinfo file for certificate"},
792 {"certform", OPT_CERTFORM, 'F',
793 "Certificate format (PEM or DER) PEM default"},
794 {"key", OPT_KEY, 's',
795 "Private Key if not in -cert; default is " TEST_CERT},
796 {"keyform", OPT_KEYFORM, 'f',
797 "Key format (PEM, DER or ENGINE) PEM default"},
798 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
799 {"dcert", OPT_DCERT, '<',
800 "Second certificate file to use (usually for DSA)"},
801 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
802 {"dcertform", OPT_DCERTFORM, 'F',
803 "Second certificate format (PEM or DER) PEM default"},
804 {"dkey", OPT_DKEY, '<',
805 "Second private key file to use (usually for DSA)"},
806 {"dkeyform", OPT_DKEYFORM, 'F',
807 "Second key format (PEM, DER or ENGINE) PEM default"},
808 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
809 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
810 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
811 {"debug", OPT_DEBUG, '-', "Print more output"},
812 {"msg", OPT_MSG, '-', "Show protocol messages"},
813 {"msgfile", OPT_MSGFILE, '>',
814 "File to send output of -msg or -trace, instead of stdout"},
815 {"state", OPT_STATE, '-', "Print the SSL states"},
816 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
817 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
818 {"no-CAfile", OPT_NOCAFILE, '-',
819 "Do not load the default certificates file"},
820 {"no-CApath", OPT_NOCAPATH, '-',
821 "Do not load certificates from the default certificates directory"},
822 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
823 {"quiet", OPT_QUIET, '-', "No server output"},
824 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
825 "Disable caching and tickets if ephemeral (EC)DH is used"},
826 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
827 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
828 {"servername", OPT_SERVERNAME, 's',
829 "Servername for HostName TLS extension"},
830 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
831 "mismatch send fatal alert (default warning alert)"},
832 {"cert2", OPT_CERT2, '<',
833 "Certificate file to use for servername; default is" TEST_CERT2},
834 {"key2", OPT_KEY2, '<',
835 "-Private Key file to use for servername if not in -cert2"},
836 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
837 "Hex dump of all TLS extensions received"},
838 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
839 {"id_prefix", OPT_ID_PREFIX, 's',
840 "Generate SSL/TLS session IDs prefixed by arg"},
841 OPT_R_OPTIONS,
842 {"keymatexport", OPT_KEYMATEXPORT, 's',
843 "Export keying material using label"},
844 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
845 "Export len bytes of keying material (default 20)"},
846 {"CRL", OPT_CRL, '<', "CRL file to use"},
847 {"crl_download", OPT_CRL_DOWNLOAD, '-',
848 "Download CRL from distribution points"},
849 {"cert_chain", OPT_CERT_CHAIN, '<',
850 "certificate chain file in PEM format"},
851 {"dcert_chain", OPT_DCERT_CHAIN, '<',
852 "second certificate chain file in PEM format"},
853 {"chainCApath", OPT_CHAINCAPATH, '/',
854 "use dir as certificate store path to build CA certificate chain"},
855 {"verifyCApath", OPT_VERIFYCAPATH, '/',
856 "use dir as certificate store path to verify CA certificate"},
857 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
858 {"ext_cache", OPT_EXT_CACHE, '-',
859 "Disable internal cache, setup and use external cache"},
860 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
861 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
862 "Close connection on verification error"},
863 {"verify_quiet", OPT_VERIFY_QUIET, '-',
864 "No verify output except verify errors"},
865 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
866 {"chainCAfile", OPT_CHAINCAFILE, '<',
867 "CA file for certificate chain (PEM format)"},
868 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
869 "CA file for certificate verification (PEM format)"},
870 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
871 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
872#ifndef OPENSSL_NO_OCSP
873 {"status", OPT_STATUS, '-', "Request certificate status from server"},
874 {"status_verbose", OPT_STATUS_VERBOSE, '-',
875 "Print more output in certificate status callback"},
876 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
877 "Status request responder timeout"},
878 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
879 {"status_file", OPT_STATUS_FILE, '<',
880 "File containing DER encoded OCSP Response"},
881#endif
882#ifndef OPENSSL_NO_SSL_TRACE
883 {"trace", OPT_TRACE, '-', "trace protocol messages"},
884#endif
885 {"security_debug", OPT_SECURITY_DEBUG, '-',
886 "Print output from SSL/TLS security framework"},
887 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
888 "Print more output from SSL/TLS security framework"},
889 {"brief", OPT_BRIEF, '-',
890 "Restrict output to brief summary of connection parameters"},
891 {"rev", OPT_REV, '-',
892 "act as a simple test server which just sends back with the received text reversed"},
893 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
894 {"ssl_config", OPT_SSL_CONFIG, 's',
895 "Configure SSL_CTX using the configuration 'val'"},
896 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
897 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
898 "Size used to split data for encrypt pipelines"},
899 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
900 "Maximum number of encrypt/decrypt pipelines to be used"},
901 {"read_buf", OPT_READ_BUF, 'p',
902 "Default read buffer size to be used for connections"},
903 OPT_S_OPTIONS,
904 OPT_V_OPTIONS,
905 OPT_X_OPTIONS,
906 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
907 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
908#ifndef OPENSSL_NO_PSK
909 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
910#endif
911 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
912 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
913#ifndef OPENSSL_NO_SRP
914 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
915 {"srpuserseed", OPT_SRPUSERSEED, 's',
916 "A seed string for a default user salt"},
917#endif
918#ifndef OPENSSL_NO_SSL3
919 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
920#endif
921#ifndef OPENSSL_NO_TLS1
922 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
923#endif
924#ifndef OPENSSL_NO_TLS1_1
925 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
926#endif
927#ifndef OPENSSL_NO_TLS1_2
928 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
929#endif
930#ifndef OPENSSL_NO_TLS1_3
931 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
932#endif
933#ifndef OPENSSL_NO_DTLS
934 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
935 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
936 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
937 {"listen", OPT_LISTEN, '-',
938 "Listen for a DTLS ClientHello with a cookie and then connect"},
939#endif
940 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
941#ifndef OPENSSL_NO_DTLS1
942 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
943#endif
944#ifndef OPENSSL_NO_DTLS1_2
945 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
946#endif
947#ifndef OPENSSL_NO_SCTP
948 {"sctp", OPT_SCTP, '-', "Use SCTP"},
949 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
950#endif
951#ifndef OPENSSL_NO_DH
952 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
953#endif
954#ifndef OPENSSL_NO_NEXTPROTONEG
955 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
956 "Set the advertised protocols for the NPN extension (comma-separated list)"},
957#endif
958#ifndef OPENSSL_NO_SRTP
959 {"use_srtp", OPT_SRTP_PROFILES, 's',
960 "Offer SRTP key management with a colon-separated profile list"},
961#endif
962 {"alpn", OPT_ALPN, 's',
963 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
964#ifndef OPENSSL_NO_ENGINE
965 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
966#endif
967 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
968 {"max_early_data", OPT_MAX_EARLY, 'n',
969 "The maximum number of bytes of early data as advertised in tickets"},
970 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
971 "The maximum number of bytes of early data (hard limit)"},
972 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
973 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
974 "The number of TLSv1.3 session tickets that a server will automatically issue" },
975 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
976 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
977 {NULL, OPT_EOF, 0, NULL}
978};
979
980#define IS_PROT_FLAG(o) \
981 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
982 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
983
984int s_server_main(int argc, char *argv[])
985{
986 ENGINE *engine = NULL;
987 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
988 SSL_CONF_CTX *cctx = NULL;
989 const SSL_METHOD *meth = TLS_server_method();
990 SSL_EXCERT *exc = NULL;
991 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
992 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
993 STACK_OF(X509_CRL) *crls = NULL;
994 X509 *s_cert = NULL, *s_dcert = NULL;
995 X509_VERIFY_PARAM *vpm = NULL;
996 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
997 char *dpassarg = NULL, *dpass = NULL;
998 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
999 char *crl_file = NULL, *prog;
1000#ifdef AF_UNIX
1001 int unlink_unix_path = 0;
1002#endif
1003 do_server_cb server_cb;
1004 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
1005#ifndef OPENSSL_NO_DH
1006 char *dhfile = NULL;
1007 int no_dhe = 0;
1008#endif
1009 int nocert = 0, ret = 1;
1010 int noCApath = 0, noCAfile = 0;
1011 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1012 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1013 int rev = 0, naccept = -1, sdebug = 0;
1014 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1015 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
1016 char *host = NULL;
1017 char *port = BUF_strdup(PORT);
1018 unsigned char *context = NULL;
1019 OPTION_CHOICE o;
1020 EVP_PKEY *s_key2 = NULL;
1021 X509 *s_cert2 = NULL;
1022 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1023 const char *ssl_config = NULL;
1024 int read_buf_len = 0;
1025#ifndef OPENSSL_NO_NEXTPROTONEG
1026 const char *next_proto_neg_in = NULL;
1027 tlsextnextprotoctx next_proto = { NULL, 0 };
1028#endif
1029 const char *alpn_in = NULL;
1030 tlsextalpnctx alpn_ctx = { NULL, 0 };
1031#ifndef OPENSSL_NO_PSK
1032 /* by default do not send a PSK identity hint */
1033 char *psk_identity_hint = NULL;
1034#endif
1035 char *p;
1036#ifndef OPENSSL_NO_SRP
1037 char *srpuserseed = NULL;
1038 char *srp_verifier_file = NULL;
1039#endif
1040#ifndef OPENSSL_NO_SRTP
1041 char *srtp_profiles = NULL;
1042#endif
1043 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1044 int s_server_verify = SSL_VERIFY_NONE;
1045 int s_server_session_id_context = 1; /* anything will do */
1046 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1047 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1048 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1049#ifndef OPENSSL_NO_OCSP
1050 int s_tlsextstatus = 0;
1051#endif
1052 int no_resume_ephemeral = 0;
1053 unsigned int max_send_fragment = 0;
1054 unsigned int split_send_fragment = 0, max_pipelines = 0;
1055 const char *s_serverinfo_file = NULL;
1056 const char *keylog_file = NULL;
1057 int max_early_data = -1, recv_max_early_data = -1;
1058 char *psksessf = NULL;
1059#ifndef OPENSSL_NO_SCTP
1060 int sctp_label_bug = 0;
1061#endif
1062
1063 /* Init of few remaining global variables */
1064 local_argc = argc;
1065 local_argv = argv;
1066
1067 ctx = ctx2 = NULL;
1068 s_nbio = s_nbio_test = 0;
1069 www = 0;
1070 bio_s_out = NULL;
1071 s_debug = 0;
1072 s_msg = 0;
1073 s_quiet = 0;
1074 s_brief = 0;
1075 async = 0;
1076
1077 cctx = SSL_CONF_CTX_new();
1078 vpm = X509_VERIFY_PARAM_new();
1079 if (cctx == NULL || vpm == NULL)
1080 goto end;
1081 SSL_CONF_CTX_set_flags(cctx,
1082 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1083
1084 prog = opt_init(argc, argv, s_server_options);
1085 while ((o = opt_next()) != OPT_EOF) {
1086 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1087 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1088 goto end;
1089 }
1090 if (IS_NO_PROT_FLAG(o))
1091 no_prot_opt++;
1092 if (prot_opt == 1 && no_prot_opt) {
1093 BIO_printf(bio_err,
1094 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1095 goto end;
1096 }
1097 switch (o) {
1098 case OPT_EOF:
1099 case OPT_ERR:
1100 opthelp:
1101 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1102 goto end;
1103 case OPT_HELP:
1104 opt_help(s_server_options);
1105 ret = 0;
1106 goto end;
1107
1108 case OPT_4:
1109#ifdef AF_UNIX
1110 if (socket_family == AF_UNIX) {
1111 OPENSSL_free(host); host = NULL;
1112 OPENSSL_free(port); port = NULL;
1113 }
1114#endif
1115 socket_family = AF_INET;
1116 break;
1117 case OPT_6:
1118 if (1) {
1119#ifdef AF_INET6
1120#ifdef AF_UNIX
1121 if (socket_family == AF_UNIX) {
1122 OPENSSL_free(host); host = NULL;
1123 OPENSSL_free(port); port = NULL;
1124 }
1125#endif
1126 socket_family = AF_INET6;
1127 } else {
1128#endif
1129 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1130 goto end;
1131 }
1132 break;
1133 case OPT_PORT:
1134#ifdef AF_UNIX
1135 if (socket_family == AF_UNIX) {
1136 socket_family = AF_UNSPEC;
1137 }
1138#endif
1139 OPENSSL_free(port); port = NULL;
1140 OPENSSL_free(host); host = NULL;
1141 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1142 BIO_printf(bio_err,
1143 "%s: -port argument malformed or ambiguous\n",
1144 port);
1145 goto end;
1146 }
1147 break;
1148 case OPT_ACCEPT:
1149#ifdef AF_UNIX
1150 if (socket_family == AF_UNIX) {
1151 socket_family = AF_UNSPEC;
1152 }
1153#endif
1154 OPENSSL_free(port); port = NULL;
1155 OPENSSL_free(host); host = NULL;
1156 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1157 BIO_printf(bio_err,
1158 "%s: -accept argument malformed or ambiguous\n",
1159 port);
1160 goto end;
1161 }
1162 break;
1163#ifdef AF_UNIX
1164 case OPT_UNIX:
1165 socket_family = AF_UNIX;
1166 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1167 OPENSSL_free(port); port = NULL;
1168 break;
1169 case OPT_UNLINK:
1170 unlink_unix_path = 1;
1171 break;
1172#endif
1173 case OPT_NACCEPT:
1174 naccept = atol(opt_arg());
1175 break;
1176 case OPT_VERIFY:
1177 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1178 verify_args.depth = atoi(opt_arg());
1179 if (!s_quiet)
1180 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1181 break;
1182 case OPT_UPPER_V_VERIFY:
1183 s_server_verify =
1184 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1185 SSL_VERIFY_CLIENT_ONCE;
1186 verify_args.depth = atoi(opt_arg());
1187 if (!s_quiet)
1188 BIO_printf(bio_err,
1189 "verify depth is %d, must return a certificate\n",
1190 verify_args.depth);
1191 break;
1192 case OPT_CONTEXT:
1193 context = (unsigned char *)opt_arg();
1194 break;
1195 case OPT_CERT:
1196 s_cert_file = opt_arg();
1197 break;
1198 case OPT_NAMEOPT:
1199 if (!set_nameopt(opt_arg()))
1200 goto end;
1201 break;
1202 case OPT_CRL:
1203 crl_file = opt_arg();
1204 break;
1205 case OPT_CRL_DOWNLOAD:
1206 crl_download = 1;
1207 break;
1208 case OPT_SERVERINFO:
1209 s_serverinfo_file = opt_arg();
1210 break;
1211 case OPT_CERTFORM:
1212 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1213 goto opthelp;
1214 break;
1215 case OPT_KEY:
1216 s_key_file = opt_arg();
1217 break;
1218 case OPT_KEYFORM:
1219 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1220 goto opthelp;
1221 break;
1222 case OPT_PASS:
1223 passarg = opt_arg();
1224 break;
1225 case OPT_CERT_CHAIN:
1226 s_chain_file = opt_arg();
1227 break;
1228 case OPT_DHPARAM:
1229#ifndef OPENSSL_NO_DH
1230 dhfile = opt_arg();
1231#endif
1232 break;
1233 case OPT_DCERTFORM:
1234 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1235 goto opthelp;
1236 break;
1237 case OPT_DCERT:
1238 s_dcert_file = opt_arg();
1239 break;
1240 case OPT_DKEYFORM:
1241 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1242 goto opthelp;
1243 break;
1244 case OPT_DPASS:
1245 dpassarg = opt_arg();
1246 break;
1247 case OPT_DKEY:
1248 s_dkey_file = opt_arg();
1249 break;
1250 case OPT_DCERT_CHAIN:
1251 s_dchain_file = opt_arg();
1252 break;
1253 case OPT_NOCERT:
1254 nocert = 1;
1255 break;
1256 case OPT_CAPATH:
1257 CApath = opt_arg();
1258 break;
1259 case OPT_NOCAPATH:
1260 noCApath = 1;
1261 break;
1262 case OPT_CHAINCAPATH:
1263 chCApath = opt_arg();
1264 break;
1265 case OPT_VERIFYCAPATH:
1266 vfyCApath = opt_arg();
1267 break;
1268 case OPT_NO_CACHE:
1269 no_cache = 1;
1270 break;
1271 case OPT_EXT_CACHE:
1272 ext_cache = 1;
1273 break;
1274 case OPT_CRLFORM:
1275 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1276 goto opthelp;
1277 break;
1278 case OPT_S_CASES:
1279 case OPT_S_NUM_TICKETS:
1280 case OPT_ANTI_REPLAY:
1281 case OPT_NO_ANTI_REPLAY:
1282 if (ssl_args == NULL)
1283 ssl_args = sk_OPENSSL_STRING_new_null();
1284 if (ssl_args == NULL
1285 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1286 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1287 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1288 goto end;
1289 }
1290 break;
1291 case OPT_V_CASES:
1292 if (!opt_verify(o, vpm))
1293 goto end;
1294 vpmtouched++;
1295 break;
1296 case OPT_X_CASES:
1297 if (!args_excert(o, &exc))
1298 goto end;
1299 break;
1300 case OPT_VERIFY_RET_ERROR:
1301 verify_args.return_error = 1;
1302 break;
1303 case OPT_VERIFY_QUIET:
1304 verify_args.quiet = 1;
1305 break;
1306 case OPT_BUILD_CHAIN:
1307 build_chain = 1;
1308 break;
1309 case OPT_CAFILE:
1310 CAfile = opt_arg();
1311 break;
1312 case OPT_NOCAFILE:
1313 noCAfile = 1;
1314 break;
1315 case OPT_CHAINCAFILE:
1316 chCAfile = opt_arg();
1317 break;
1318 case OPT_VERIFYCAFILE:
1319 vfyCAfile = opt_arg();
1320 break;
1321 case OPT_NBIO:
1322 s_nbio = 1;
1323 break;
1324 case OPT_NBIO_TEST:
1325 s_nbio = s_nbio_test = 1;
1326 break;
1327 case OPT_IGN_EOF:
1328 s_ign_eof = 1;
1329 break;
1330 case OPT_NO_IGN_EOF:
1331 s_ign_eof = 0;
1332 break;
1333 case OPT_DEBUG:
1334 s_debug = 1;
1335 break;
1336 case OPT_TLSEXTDEBUG:
1337 s_tlsextdebug = 1;
1338 break;
1339 case OPT_STATUS:
1340#ifndef OPENSSL_NO_OCSP
1341 s_tlsextstatus = 1;
1342#endif
1343 break;
1344 case OPT_STATUS_VERBOSE:
1345#ifndef OPENSSL_NO_OCSP
1346 s_tlsextstatus = tlscstatp.verbose = 1;
1347#endif
1348 break;
1349 case OPT_STATUS_TIMEOUT:
1350#ifndef OPENSSL_NO_OCSP
1351 s_tlsextstatus = 1;
1352 tlscstatp.timeout = atoi(opt_arg());
1353#endif
1354 break;
1355 case OPT_STATUS_URL:
1356#ifndef OPENSSL_NO_OCSP
1357 s_tlsextstatus = 1;
1358 if (!OCSP_parse_url(opt_arg(),
1359 &tlscstatp.host,
1360 &tlscstatp.port,
1361 &tlscstatp.path, &tlscstatp.use_ssl)) {
1362 BIO_printf(bio_err, "Error parsing URL\n");
1363 goto end;
1364 }
1365#endif
1366 break;
1367 case OPT_STATUS_FILE:
1368#ifndef OPENSSL_NO_OCSP
1369 s_tlsextstatus = 1;
1370 tlscstatp.respin = opt_arg();
1371#endif
1372 break;
1373 case OPT_MSG:
1374 s_msg = 1;
1375 break;
1376 case OPT_MSGFILE:
1377 bio_s_msg = BIO_new_file(opt_arg(), "w");
1378 break;
1379 case OPT_TRACE:
1380#ifndef OPENSSL_NO_SSL_TRACE
1381 s_msg = 2;
1382#endif
1383 break;
1384 case OPT_SECURITY_DEBUG:
1385 sdebug = 1;
1386 break;
1387 case OPT_SECURITY_DEBUG_VERBOSE:
1388 sdebug = 2;
1389 break;
1390 case OPT_STATE:
1391 state = 1;
1392 break;
1393 case OPT_CRLF:
1394 s_crlf = 1;
1395 break;
1396 case OPT_QUIET:
1397 s_quiet = 1;
1398 break;
1399 case OPT_BRIEF:
1400 s_quiet = s_brief = verify_args.quiet = 1;
1401 break;
1402 case OPT_NO_DHE:
1403#ifndef OPENSSL_NO_DH
1404 no_dhe = 1;
1405#endif
1406 break;
1407 case OPT_NO_RESUME_EPHEMERAL:
1408 no_resume_ephemeral = 1;
1409 break;
1410 case OPT_PSK_IDENTITY:
1411 psk_identity = opt_arg();
1412 break;
1413 case OPT_PSK_HINT:
1414#ifndef OPENSSL_NO_PSK
1415 psk_identity_hint = opt_arg();
1416#endif
1417 break;
1418 case OPT_PSK:
1419 for (p = psk_key = opt_arg(); *p; p++) {
1420 if (isxdigit(_UC(*p)))
1421 continue;
1422 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1423 goto end;
1424 }
1425 break;
1426 case OPT_PSK_SESS:
1427 psksessf = opt_arg();
1428 break;
1429 case OPT_SRPVFILE:
1430#ifndef OPENSSL_NO_SRP
1431 srp_verifier_file = opt_arg();
1432 if (min_version < TLS1_VERSION)
1433 min_version = TLS1_VERSION;
1434#endif
1435 break;
1436 case OPT_SRPUSERSEED:
1437#ifndef OPENSSL_NO_SRP
1438 srpuserseed = opt_arg();
1439 if (min_version < TLS1_VERSION)
1440 min_version = TLS1_VERSION;
1441#endif
1442 break;
1443 case OPT_REV:
1444 rev = 1;
1445 break;
1446 case OPT_WWW:
1447 www = 1;
1448 break;
1449 case OPT_UPPER_WWW:
1450 www = 2;
1451 break;
1452 case OPT_HTTP:
1453 www = 3;
1454 break;
1455 case OPT_SSL_CONFIG:
1456 ssl_config = opt_arg();
1457 break;
1458 case OPT_SSL3:
1459 min_version = SSL3_VERSION;
1460 max_version = SSL3_VERSION;
1461 break;
1462 case OPT_TLS1_3:
1463 min_version = TLS1_3_VERSION;
1464 max_version = TLS1_3_VERSION;
1465 break;
1466 case OPT_TLS1_2:
1467 min_version = TLS1_2_VERSION;
1468 max_version = TLS1_2_VERSION;
1469 break;
1470 case OPT_TLS1_1:
1471 min_version = TLS1_1_VERSION;
1472 max_version = TLS1_1_VERSION;
1473 break;
1474 case OPT_TLS1:
1475 min_version = TLS1_VERSION;
1476 max_version = TLS1_VERSION;
1477 break;
1478 case OPT_DTLS:
1479#ifndef OPENSSL_NO_DTLS
1480 meth = DTLS_server_method();
1481 socket_type = SOCK_DGRAM;
1482#endif
1483 break;
1484 case OPT_DTLS1:
1485#ifndef OPENSSL_NO_DTLS
1486 meth = DTLS_server_method();
1487 min_version = DTLS1_VERSION;
1488 max_version = DTLS1_VERSION;
1489 socket_type = SOCK_DGRAM;
1490#endif
1491 break;
1492 case OPT_DTLS1_2:
1493#ifndef OPENSSL_NO_DTLS
1494 meth = DTLS_server_method();
1495 min_version = DTLS1_2_VERSION;
1496 max_version = DTLS1_2_VERSION;
1497 socket_type = SOCK_DGRAM;
1498#endif
1499 break;
1500 case OPT_SCTP:
1501#ifndef OPENSSL_NO_SCTP
1502 protocol = IPPROTO_SCTP;
1503#endif
1504 break;
1505 case OPT_SCTP_LABEL_BUG:
1506#ifndef OPENSSL_NO_SCTP
1507 sctp_label_bug = 1;
1508#endif
1509 break;
1510 case OPT_TIMEOUT:
1511#ifndef OPENSSL_NO_DTLS
1512 enable_timeouts = 1;
1513#endif
1514 break;
1515 case OPT_MTU:
1516#ifndef OPENSSL_NO_DTLS
1517 socket_mtu = atol(opt_arg());
1518#endif
1519 break;
1520 case OPT_LISTEN:
1521#ifndef OPENSSL_NO_DTLS
1522 dtlslisten = 1;
1523#endif
1524 break;
1525 case OPT_STATELESS:
1526 stateless = 1;
1527 break;
1528 case OPT_ID_PREFIX:
1529 session_id_prefix = opt_arg();
1530 break;
1531 case OPT_ENGINE:
1532 engine = setup_engine(opt_arg(), 1);
1533 break;
1534 case OPT_R_CASES:
1535 if (!opt_rand(o))
1536 goto end;
1537 break;
1538 case OPT_SERVERNAME:
1539 tlsextcbp.servername = opt_arg();
1540 break;
1541 case OPT_SERVERNAME_FATAL:
1542 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1543 break;
1544 case OPT_CERT2:
1545 s_cert_file2 = opt_arg();
1546 break;
1547 case OPT_KEY2:
1548 s_key_file2 = opt_arg();
1549 break;
1550 case OPT_NEXTPROTONEG:
1551# ifndef OPENSSL_NO_NEXTPROTONEG
1552 next_proto_neg_in = opt_arg();
1553#endif
1554 break;
1555 case OPT_ALPN:
1556 alpn_in = opt_arg();
1557 break;
1558 case OPT_SRTP_PROFILES:
1559#ifndef OPENSSL_NO_SRTP
1560 srtp_profiles = opt_arg();
1561#endif
1562 break;
1563 case OPT_KEYMATEXPORT:
1564 keymatexportlabel = opt_arg();
1565 break;
1566 case OPT_KEYMATEXPORTLEN:
1567 keymatexportlen = atoi(opt_arg());
1568 break;
1569 case OPT_ASYNC:
1570 async = 1;
1571 break;
1572 case OPT_MAX_SEND_FRAG:
1573 max_send_fragment = atoi(opt_arg());
1574 break;
1575 case OPT_SPLIT_SEND_FRAG:
1576 split_send_fragment = atoi(opt_arg());
1577 break;
1578 case OPT_MAX_PIPELINES:
1579 max_pipelines = atoi(opt_arg());
1580 break;
1581 case OPT_READ_BUF:
1582 read_buf_len = atoi(opt_arg());
1583 break;
1584 case OPT_KEYLOG_FILE:
1585 keylog_file = opt_arg();
1586 break;
1587 case OPT_MAX_EARLY:
1588 max_early_data = atoi(opt_arg());
1589 if (max_early_data < 0) {
1590 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1591 goto end;
1592 }
1593 break;
1594 case OPT_RECV_MAX_EARLY:
1595 recv_max_early_data = atoi(opt_arg());
1596 if (recv_max_early_data < 0) {
1597 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1598 goto end;
1599 }
1600 break;
1601 case OPT_EARLY_DATA:
1602 early_data = 1;
1603 if (max_early_data == -1)
1604 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1605 break;
1606 }
1607 }
1608 argc = opt_num_rest();
1609 argv = opt_rest();
1610
1611#ifndef OPENSSL_NO_NEXTPROTONEG
1612 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1613 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1614 goto opthelp;
1615 }
1616#endif
1617#ifndef OPENSSL_NO_DTLS
1618 if (www && socket_type == SOCK_DGRAM) {
1619 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1620 goto end;
1621 }
1622
1623 if (dtlslisten && socket_type != SOCK_DGRAM) {
1624 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1625 goto end;
1626 }
1627#endif
1628
1629 if (stateless && socket_type != SOCK_STREAM) {
1630 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1631 goto end;
1632 }
1633
1634#ifdef AF_UNIX
1635 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1636 BIO_printf(bio_err,
1637 "Can't use unix sockets and datagrams together\n");
1638 goto end;
1639 }
1640#endif
1641 if (early_data && (www > 0 || rev)) {
1642 BIO_printf(bio_err,
1643 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1644 goto end;
1645 }
1646
1647#ifndef OPENSSL_NO_SCTP
1648 if (protocol == IPPROTO_SCTP) {
1649 if (socket_type != SOCK_DGRAM) {
1650 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1651 goto end;
1652 }
1653 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1654 socket_type = SOCK_STREAM;
1655 }
1656#endif
1657
1658 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1659 BIO_printf(bio_err, "Error getting password\n");
1660 goto end;
1661 }
1662
1663 if (s_key_file == NULL)
1664 s_key_file = s_cert_file;
1665
1666 if (s_key_file2 == NULL)
1667 s_key_file2 = s_cert_file2;
1668
1669 if (!load_excert(&exc))
1670 goto end;
1671
1672 if (nocert == 0) {
1673 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1674 "server certificate private key file");
1675 if (s_key == NULL) {
1676 ERR_print_errors(bio_err);
1677 goto end;
1678 }
1679
1680 s_cert = load_cert(s_cert_file, s_cert_format,
1681 "server certificate file");
1682
1683 if (s_cert == NULL) {
1684 ERR_print_errors(bio_err);
1685 goto end;
1686 }
1687 if (s_chain_file != NULL) {
1688 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1689 "server certificate chain"))
1690 goto end;
1691 }
1692
1693 if (tlsextcbp.servername != NULL) {
1694 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1695 "second server certificate private key file");
1696 if (s_key2 == NULL) {
1697 ERR_print_errors(bio_err);
1698 goto end;
1699 }
1700
1701 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1702 "second server certificate file");
1703
1704 if (s_cert2 == NULL) {
1705 ERR_print_errors(bio_err);
1706 goto end;
1707 }
1708 }
1709 }
1710#if !defined(OPENSSL_NO_NEXTPROTONEG)
1711 if (next_proto_neg_in) {
1712 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1713 if (next_proto.data == NULL)
1714 goto end;
1715 }
1716#endif
1717 alpn_ctx.data = NULL;
1718 if (alpn_in) {
1719 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1720 if (alpn_ctx.data == NULL)
1721 goto end;
1722 }
1723
1724 if (crl_file != NULL) {
1725 X509_CRL *crl;
1726 crl = load_crl(crl_file, crl_format);
1727 if (crl == NULL) {
1728 BIO_puts(bio_err, "Error loading CRL\n");
1729 ERR_print_errors(bio_err);
1730 goto end;
1731 }
1732 crls = sk_X509_CRL_new_null();
1733 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1734 BIO_puts(bio_err, "Error adding CRL\n");
1735 ERR_print_errors(bio_err);
1736 X509_CRL_free(crl);
1737 goto end;
1738 }
1739 }
1740
1741 if (s_dcert_file != NULL) {
1742
1743 if (s_dkey_file == NULL)
1744 s_dkey_file = s_dcert_file;
1745
1746 s_dkey = load_key(s_dkey_file, s_dkey_format,
1747 0, dpass, engine, "second certificate private key file");
1748 if (s_dkey == NULL) {
1749 ERR_print_errors(bio_err);
1750 goto end;
1751 }
1752
1753 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1754 "second server certificate file");
1755
1756 if (s_dcert == NULL) {
1757 ERR_print_errors(bio_err);
1758 goto end;
1759 }
1760 if (s_dchain_file != NULL) {
1761 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1762 "second server certificate chain"))
1763 goto end;
1764 }
1765
1766 }
1767
1768 if (bio_s_out == NULL) {
1769 if (s_quiet && !s_debug) {
1770 bio_s_out = BIO_new(BIO_s_null());
1771 if (s_msg && bio_s_msg == NULL)
1772 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1773 } else {
1774 if (bio_s_out == NULL)
1775 bio_s_out = dup_bio_out(FORMAT_TEXT);
1776 }
1777 }
1778#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1779 if (nocert)
1780#endif
1781 {
1782 s_cert_file = NULL;
1783 s_key_file = NULL;
1784 s_dcert_file = NULL;
1785 s_dkey_file = NULL;
1786 s_cert_file2 = NULL;
1787 s_key_file2 = NULL;
1788 }
1789
1790 ctx = SSL_CTX_new(meth);
1791 if (ctx == NULL) {
1792 ERR_print_errors(bio_err);
1793 goto end;
1794 }
1795
1796 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1797
1798 if (sdebug)
1799 ssl_ctx_security_debug(ctx, sdebug);
1800
1801 if (!config_ctx(cctx, ssl_args, ctx))
1802 goto end;
1803
1804 if (ssl_config) {
1805 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1806 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1807 ssl_config);
1808 ERR_print_errors(bio_err);
1809 goto end;
1810 }
1811 }
1812
1813#ifndef OPENSSL_NO_SCTP
1814 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1815 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1816#endif
1817
1818 if (min_version != 0
1819 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1820 goto end;
1821 if (max_version != 0
1822 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1823 goto end;
1824
1825 if (session_id_prefix) {
1826 if (strlen(session_id_prefix) >= 32)
1827 BIO_printf(bio_err,
1828 "warning: id_prefix is too long, only one new session will be possible\n");
1829 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1830 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1831 ERR_print_errors(bio_err);
1832 goto end;
1833 }
1834 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1835 }
1836 SSL_CTX_set_quiet_shutdown(ctx, 1);
1837 if (exc != NULL)
1838 ssl_ctx_set_excert(ctx, exc);
1839
1840 if (state)
1841 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1842 if (no_cache)
1843 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1844 else if (ext_cache)
1845 init_session_cache_ctx(ctx);
1846 else
1847 SSL_CTX_sess_set_cache_size(ctx, 128);
1848
1849 if (async) {
1850 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1851 }
1852
1853 if (max_send_fragment > 0
1854 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1855 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1856 prog, max_send_fragment);
1857 goto end;
1858 }
1859
1860 if (split_send_fragment > 0
1861 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1862 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1863 prog, split_send_fragment);
1864 goto end;
1865 }
1866 if (max_pipelines > 0
1867 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1868 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1869 prog, max_pipelines);
1870 goto end;
1871 }
1872
1873 if (read_buf_len > 0) {
1874 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1875 }
1876#ifndef OPENSSL_NO_SRTP
1877 if (srtp_profiles != NULL) {
1878 /* Returns 0 on success! */
1879 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1880 BIO_printf(bio_err, "Error setting SRTP profile\n");
1881 ERR_print_errors(bio_err);
1882 goto end;
1883 }
1884 }
1885#endif
1886
1887 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1888 ERR_print_errors(bio_err);
1889 goto end;
1890 }
1891 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1892 BIO_printf(bio_err, "Error setting verify params\n");
1893 ERR_print_errors(bio_err);
1894 goto end;
1895 }
1896
1897 ssl_ctx_add_crls(ctx, crls, 0);
1898
1899 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1900 crls, crl_download)) {
1901 BIO_printf(bio_err, "Error loading store locations\n");
1902 ERR_print_errors(bio_err);
1903 goto end;
1904 }
1905
1906 if (s_cert2) {
1907 ctx2 = SSL_CTX_new(meth);
1908 if (ctx2 == NULL) {
1909 ERR_print_errors(bio_err);
1910 goto end;
1911 }
1912 }
1913
1914 if (ctx2 != NULL) {
1915 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1916
1917 if (sdebug)
1918 ssl_ctx_security_debug(ctx2, sdebug);
1919
1920 if (session_id_prefix) {
1921 if (strlen(session_id_prefix) >= 32)
1922 BIO_printf(bio_err,
1923 "warning: id_prefix is too long, only one new session will be possible\n");
1924 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1925 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1926 ERR_print_errors(bio_err);
1927 goto end;
1928 }
1929 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1930 }
1931 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1932 if (exc != NULL)
1933 ssl_ctx_set_excert(ctx2, exc);
1934
1935 if (state)
1936 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1937
1938 if (no_cache)
1939 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1940 else if (ext_cache)
1941 init_session_cache_ctx(ctx2);
1942 else
1943 SSL_CTX_sess_set_cache_size(ctx2, 128);
1944
1945 if (async)
1946 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1947
1948 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1949 noCApath)) {
1950 ERR_print_errors(bio_err);
1951 goto end;
1952 }
1953 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1954 BIO_printf(bio_err, "Error setting verify params\n");
1955 ERR_print_errors(bio_err);
1956 goto end;
1957 }
1958
1959 ssl_ctx_add_crls(ctx2, crls, 0);
1960 if (!config_ctx(cctx, ssl_args, ctx2))
1961 goto end;
1962 }
1963#ifndef OPENSSL_NO_NEXTPROTONEG
1964 if (next_proto.data)
1965 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1966 &next_proto);
1967#endif
1968 if (alpn_ctx.data)
1969 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1970
1971#ifndef OPENSSL_NO_DH
1972 if (!no_dhe) {
1973 DH *dh = NULL;
1974
1975 if (dhfile != NULL)
1976 dh = load_dh_param(dhfile);
1977 else if (s_cert_file != NULL)
1978 dh = load_dh_param(s_cert_file);
1979
1980 if (dh != NULL) {
1981 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1982 } else {
1983 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1984 }
1985 (void)BIO_flush(bio_s_out);
1986
1987 if (dh == NULL) {
1988 SSL_CTX_set_dh_auto(ctx, 1);
1989 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1990 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1991 ERR_print_errors(bio_err);
1992 DH_free(dh);
1993 goto end;
1994 }
1995
1996 if (ctx2 != NULL) {
1997 if (!dhfile) {
1998 DH *dh2 = load_dh_param(s_cert_file2);
1999 if (dh2 != NULL) {
2000 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2001 (void)BIO_flush(bio_s_out);
2002
2003 DH_free(dh);
2004 dh = dh2;
2005 }
2006 }
2007 if (dh == NULL) {
2008 SSL_CTX_set_dh_auto(ctx2, 1);
2009 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
2010 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2011 ERR_print_errors(bio_err);
2012 DH_free(dh);
2013 goto end;
2014 }
2015 }
2016 DH_free(dh);
2017 }
2018#endif
2019
2020 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2021 goto end;
2022
2023 if (s_serverinfo_file != NULL
2024 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2025 ERR_print_errors(bio_err);
2026 goto end;
2027 }
2028
2029 if (ctx2 != NULL
2030 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2031 goto end;
2032
2033 if (s_dcert != NULL) {
2034 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2035 goto end;
2036 }
2037
2038 if (no_resume_ephemeral) {
2039 SSL_CTX_set_not_resumable_session_callback(ctx,
2040 not_resumable_sess_cb);
2041
2042 if (ctx2 != NULL)
2043 SSL_CTX_set_not_resumable_session_callback(ctx2,
2044 not_resumable_sess_cb);
2045 }
2046#ifndef OPENSSL_NO_PSK
2047 if (psk_key != NULL) {
2048 if (s_debug)
2049 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2050 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2051 }
2052
2053 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2054 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2055 ERR_print_errors(bio_err);
2056 goto end;
2057 }
2058#endif
2059 if (psksessf != NULL) {
2060 BIO *stmp = BIO_new_file(psksessf, "r");
2061
2062 if (stmp == NULL) {
2063 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2064 ERR_print_errors(bio_err);
2065 goto end;
2066 }
2067 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2068 BIO_free(stmp);
2069 if (psksess == NULL) {
2070 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2071 ERR_print_errors(bio_err);
2072 goto end;
2073 }
2074
2075 }
2076
2077 if (psk_key != NULL || psksess != NULL)
2078 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2079
2080 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2081 if (!SSL_CTX_set_session_id_context(ctx,
2082 (void *)&s_server_session_id_context,
2083 sizeof(s_server_session_id_context))) {
2084 BIO_printf(bio_err, "error setting session id context\n");
2085 ERR_print_errors(bio_err);
2086 goto end;
2087 }
2088
2089 /* Set DTLS cookie generation and verification callbacks */
2090 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2091 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2092
2093 /* Set TLS1.3 cookie generation and verification callbacks */
2094 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2095 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2096
2097 if (ctx2 != NULL) {
2098 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2099 if (!SSL_CTX_set_session_id_context(ctx2,
2100 (void *)&s_server_session_id_context,
2101 sizeof(s_server_session_id_context))) {
2102 BIO_printf(bio_err, "error setting session id context\n");
2103 ERR_print_errors(bio_err);
2104 goto end;
2105 }
2106 tlsextcbp.biodebug = bio_s_out;
2107 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2108 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2109 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2110 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2111 }
2112
2113#ifndef OPENSSL_NO_SRP
2114 if (srp_verifier_file != NULL) {
2115 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2116 srp_callback_parm.user = NULL;
2117 srp_callback_parm.login = NULL;
2118 if ((ret =
2119 SRP_VBASE_init(srp_callback_parm.vb,
2120 srp_verifier_file)) != SRP_NO_ERROR) {
2121 BIO_printf(bio_err,
2122 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2123 srp_verifier_file, ret);
2124 goto end;
2125 }
2126 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2127 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2128 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2129 } else
2130#endif
2131 if (CAfile != NULL) {
2132 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2133
2134 if (ctx2)
2135 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2136 }
2137#ifndef OPENSSL_NO_OCSP
2138 if (s_tlsextstatus) {
2139 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2140 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2141 if (ctx2) {
2142 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2143 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2144 }
2145 }
2146#endif
2147 if (set_keylog_file(ctx, keylog_file))
2148 goto end;
2149
2150 if (max_early_data >= 0)
2151 SSL_CTX_set_max_early_data(ctx, max_early_data);
2152 if (recv_max_early_data >= 0)
2153 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2154
2155 if (rev)
2156 server_cb = rev_body;
2157 else if (www)
2158 server_cb = www_body;
2159 else
2160 server_cb = sv_body;
2161#ifdef AF_UNIX
2162 if (socket_family == AF_UNIX
2163 && unlink_unix_path)
2164 unlink(host);
2165#endif
2166 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2167 server_cb, context, naccept, bio_s_out);
2168 print_stats(bio_s_out, ctx);
2169 ret = 0;
2170 end:
2171 SSL_CTX_free(ctx);
2172 SSL_SESSION_free(psksess);
2173 set_keylog_file(NULL, NULL);
2174 X509_free(s_cert);
2175 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2176 X509_free(s_dcert);
2177 EVP_PKEY_free(s_key);
2178 EVP_PKEY_free(s_dkey);
2179 sk_X509_pop_free(s_chain, X509_free);
2180 sk_X509_pop_free(s_dchain, X509_free);
2181 OPENSSL_free(pass);
2182 OPENSSL_free(dpass);
2183 OPENSSL_free(host);
2184 OPENSSL_free(port);
2185 X509_VERIFY_PARAM_free(vpm);
2186 free_sessions();
2187 OPENSSL_free(tlscstatp.host);
2188 OPENSSL_free(tlscstatp.port);
2189 OPENSSL_free(tlscstatp.path);
2190 SSL_CTX_free(ctx2);
2191 X509_free(s_cert2);
2192 EVP_PKEY_free(s_key2);
2193#ifndef OPENSSL_NO_NEXTPROTONEG
2194 OPENSSL_free(next_proto.data);
2195#endif
2196 OPENSSL_free(alpn_ctx.data);
2197 ssl_excert_free(exc);
2198 sk_OPENSSL_STRING_free(ssl_args);
2199 SSL_CONF_CTX_free(cctx);
2200 release_engine(engine);
2201 BIO_free(bio_s_out);
2202 bio_s_out = NULL;
2203 BIO_free(bio_s_msg);
2204 bio_s_msg = NULL;
2205#ifdef CHARSET_EBCDIC
2206 BIO_meth_free(methods_ebcdic);
2207#endif
2208 return ret;
2209}
2210
2211static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2212{
2213 BIO_printf(bio, "%4ld items in the session cache\n",
2214 SSL_CTX_sess_number(ssl_ctx));
2215 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2216 SSL_CTX_sess_connect(ssl_ctx));
2217 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2218 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2219 BIO_printf(bio, "%4ld client connects that finished\n",
2220 SSL_CTX_sess_connect_good(ssl_ctx));
2221 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2222 SSL_CTX_sess_accept(ssl_ctx));
2223 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2224 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2225 BIO_printf(bio, "%4ld server accepts that finished\n",
2226 SSL_CTX_sess_accept_good(ssl_ctx));
2227 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2228 BIO_printf(bio, "%4ld session cache misses\n",
2229 SSL_CTX_sess_misses(ssl_ctx));
2230 BIO_printf(bio, "%4ld session cache timeouts\n",
2231 SSL_CTX_sess_timeouts(ssl_ctx));
2232 BIO_printf(bio, "%4ld callback cache hits\n",
2233 SSL_CTX_sess_cb_hits(ssl_ctx));
2234 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2235 SSL_CTX_sess_cache_full(ssl_ctx),
2236 SSL_CTX_sess_get_cache_size(ssl_ctx));
2237}
2238
2239static long int count_reads_callback(BIO *bio, int cmd, const char *argp,
2240 int argi, long int argl, long int ret)
2241{
2242 unsigned int *p_counter = (unsigned int *)BIO_get_callback_arg(bio);
2243
2244 switch (cmd) {
2245 case BIO_CB_READ: /* No break here */
2246 case BIO_CB_GETS:
2247 if (p_counter != NULL)
2248 ++*p_counter;
2249 break;
2250 default:
2251 break;
2252 }
2253
2254 if (s_debug) {
2255 BIO_set_callback_arg(bio, (char *)bio_s_out);
2256 ret = bio_dump_callback(bio, cmd, argp, argi, argl, ret);
2257 BIO_set_callback_arg(bio, (char *)p_counter);
2258 }
2259
2260 return ret;
2261}
2262
2263static int sv_body(int s, int stype, int prot, unsigned char *context)
2264{
2265 char *buf = NULL;
2266 fd_set readfds;
2267 int ret = 1, width;
2268 int k, i;
2269 unsigned long l;
2270 SSL *con = NULL;
2271 BIO *sbio;
2272 struct timeval timeout;
2273#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2274 struct timeval *timeoutp;
2275#endif
2276#ifndef OPENSSL_NO_DTLS
2277# ifndef OPENSSL_NO_SCTP
2278 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2279# else
2280 int isdtls = (stype == SOCK_DGRAM);
2281# endif
2282#endif
2283
2284 buf = app_malloc(bufsize, "server buffer");
2285 if (s_nbio) {
2286 if (!BIO_socket_nbio(s, 1))
2287 ERR_print_errors(bio_err);
2288 else if (!s_quiet)
2289 BIO_printf(bio_err, "Turned on non blocking io\n");
2290 }
2291
2292 con = SSL_new(ctx);
2293 if (con == NULL) {
2294 ret = -1;
2295 goto err;
2296 }
2297
2298 if (s_tlsextdebug) {
2299 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2300 SSL_set_tlsext_debug_arg(con, bio_s_out);
2301 }
2302
2303 if (context != NULL
2304 && !SSL_set_session_id_context(con, context,
2305 strlen((char *)context))) {
2306 BIO_printf(bio_err, "Error setting session id context\n");
2307 ret = -1;
2308 goto err;
2309 }
2310
2311 if (!SSL_clear(con)) {
2312 BIO_printf(bio_err, "Error clearing SSL connection\n");
2313 ret = -1;
2314 goto err;
2315 }
2316#ifndef OPENSSL_NO_DTLS
2317 if (isdtls) {
2318# ifndef OPENSSL_NO_SCTP
2319 if (prot == IPPROTO_SCTP)
2320 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2321 else
2322# endif
2323 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2324
2325 if (enable_timeouts) {
2326 timeout.tv_sec = 0;
2327 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2328 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2329
2330 timeout.tv_sec = 0;
2331 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2332 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2333 }
2334
2335 if (socket_mtu) {
2336 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2337 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2338 DTLS_get_link_min_mtu(con));
2339 ret = -1;
2340 BIO_free(sbio);
2341 goto err;
2342 }
2343 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2344 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2345 BIO_printf(bio_err, "Failed to set MTU\n");
2346 ret = -1;
2347 BIO_free(sbio);
2348 goto err;
2349 }
2350 } else
2351 /* want to do MTU discovery */
2352 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2353
2354# ifndef OPENSSL_NO_SCTP
2355 if (prot != IPPROTO_SCTP)
2356# endif
2357 /* Turn on cookie exchange. Not necessary for SCTP */
2358 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2359 } else
2360#endif
2361 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2362
2363 if (sbio == NULL) {
2364 BIO_printf(bio_err, "Unable to create BIO\n");
2365 ERR_print_errors(bio_err);
2366 goto err;
2367 }
2368
2369 if (s_nbio_test) {
2370 BIO *test;
2371
2372 test = BIO_new(BIO_f_nbio_test());
2373 sbio = BIO_push(test, sbio);
2374 }
2375
2376 SSL_set_bio(con, sbio, sbio);
2377 SSL_set_accept_state(con);
2378 /* SSL_set_fd(con,s); */
2379
2380 BIO_set_callback(SSL_get_rbio(con), count_reads_callback);
2381 if (s_msg) {
2382#ifndef OPENSSL_NO_SSL_TRACE
2383 if (s_msg == 2)
2384 SSL_set_msg_callback(con, SSL_trace);
2385 else
2386#endif
2387 SSL_set_msg_callback(con, msg_cb);
2388 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2389 }
2390
2391 if (s_tlsextdebug) {
2392 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2393 SSL_set_tlsext_debug_arg(con, bio_s_out);
2394 }
2395
2396 if (early_data) {
2397 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2398 size_t readbytes;
2399
2400 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2401 for (;;) {
2402 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2403 if (edret != SSL_READ_EARLY_DATA_ERROR)
2404 break;
2405
2406 switch (SSL_get_error(con, 0)) {
2407 case SSL_ERROR_WANT_WRITE:
2408 case SSL_ERROR_WANT_ASYNC:
2409 case SSL_ERROR_WANT_READ:
2410 /* Just keep trying - busy waiting */
2411 continue;
2412 default:
2413 BIO_printf(bio_err, "Error reading early data\n");
2414 ERR_print_errors(bio_err);
2415 goto err;
2416 }
2417 }
2418 if (readbytes > 0) {
2419 if (write_header) {
2420 BIO_printf(bio_s_out, "Early data received:\n");
2421 write_header = 0;
2422 }
2423 raw_write_stdout(buf, (unsigned int)readbytes);
2424 (void)BIO_flush(bio_s_out);
2425 }
2426 }
2427 if (write_header) {
2428 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2429 BIO_printf(bio_s_out, "No early data received\n");
2430 else
2431 BIO_printf(bio_s_out, "Early data was rejected\n");
2432 } else {
2433 BIO_printf(bio_s_out, "\nEnd of early data\n");
2434 }
2435 if (SSL_is_init_finished(con))
2436 print_connection_info(con);
2437 }
2438
2439 if (fileno_stdin() > s)
2440 width = fileno_stdin() + 1;
2441 else
2442 width = s + 1;
2443 for (;;) {
2444 int read_from_terminal;
2445 int read_from_sslcon;
2446
2447 read_from_terminal = 0;
2448 read_from_sslcon = SSL_has_pending(con)
2449 || (async && SSL_waiting_for_async(con));
2450
2451 if (!read_from_sslcon) {
2452 FD_ZERO(&readfds);
2453#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2454 openssl_fdset(fileno_stdin(), &readfds);
2455#endif
2456 openssl_fdset(s, &readfds);
2457 /*
2458 * Note: under VMS with SOCKETSHR the second parameter is
2459 * currently of type (int *) whereas under other systems it is
2460 * (void *) if you don't have a cast it will choke the compiler:
2461 * if you do have a cast then you can either go for (int *) or
2462 * (void *).
2463 */
2464#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2465 /*
2466 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2467 * only on sockets. As a workaround we timeout the select every
2468 * second and check for any keypress. In a proper Windows
2469 * application we wouldn't do this because it is inefficient.
2470 */
2471 timeout.tv_sec = 1;
2472 timeout.tv_usec = 0;
2473 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2474 if (has_stdin_waiting())
2475 read_from_terminal = 1;
2476 if ((i < 0) || (!i && !read_from_terminal))
2477 continue;
2478#else
2479 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2480 timeoutp = &timeout;
2481 else
2482 timeoutp = NULL;
2483
2484 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2485
2486 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2487 BIO_printf(bio_err, "TIMEOUT occurred\n");
2488
2489 if (i <= 0)
2490 continue;
2491 if (FD_ISSET(fileno_stdin(), &readfds))
2492 read_from_terminal = 1;
2493#endif
2494 if (FD_ISSET(s, &readfds))
2495 read_from_sslcon = 1;
2496 }
2497 if (read_from_terminal) {
2498 if (s_crlf) {
2499 int j, lf_num;
2500
2501 i = raw_read_stdin(buf, bufsize / 2);
2502 lf_num = 0;
2503 /* both loops are skipped when i <= 0 */
2504 for (j = 0; j < i; j++)
2505 if (buf[j] == '\n')
2506 lf_num++;
2507 for (j = i - 1; j >= 0; j--) {
2508 buf[j + lf_num] = buf[j];
2509 if (buf[j] == '\n') {
2510 lf_num--;
2511 i++;
2512 buf[j + lf_num] = '\r';
2513 }
2514 }
2515 assert(lf_num == 0);
2516 } else {
2517 i = raw_read_stdin(buf, bufsize);
2518 }
2519
2520 if (!s_quiet && !s_brief) {
2521 if ((i <= 0) || (buf[0] == 'Q')) {
2522 BIO_printf(bio_s_out, "DONE\n");
2523 (void)BIO_flush(bio_s_out);
2524 BIO_closesocket(s);
2525 close_accept_socket();
2526 ret = -11;
2527 goto err;
2528 }
2529 if ((i <= 0) || (buf[0] == 'q')) {
2530 BIO_printf(bio_s_out, "DONE\n");
2531 (void)BIO_flush(bio_s_out);
2532 if (SSL_version(con) != DTLS1_VERSION)
2533 BIO_closesocket(s);
2534 /*
2535 * close_accept_socket(); ret= -11;
2536 */
2537 goto err;
2538 }
2539#ifndef OPENSSL_NO_HEARTBEATS
2540 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2541 BIO_printf(bio_err, "HEARTBEATING\n");
2542 SSL_heartbeat(con);
2543 i = 0;
2544 continue;
2545 }
2546#endif
2547 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2548 SSL_renegotiate(con);
2549 i = SSL_do_handshake(con);
2550 printf("SSL_do_handshake -> %d\n", i);
2551 i = 0; /* 13; */
2552 continue;
2553 }
2554 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2555 SSL_set_verify(con,
2556 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2557 NULL);
2558 SSL_renegotiate(con);
2559 i = SSL_do_handshake(con);
2560 printf("SSL_do_handshake -> %d\n", i);
2561 i = 0; /* 13; */
2562 continue;
2563 }
2564 if ((buf[0] == 'K' || buf[0] == 'k')
2565 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2566 SSL_key_update(con, buf[0] == 'K' ?
2567 SSL_KEY_UPDATE_REQUESTED
2568 : SSL_KEY_UPDATE_NOT_REQUESTED);
2569 i = SSL_do_handshake(con);
2570 printf("SSL_do_handshake -> %d\n", i);
2571 i = 0;
2572 continue;
2573 }
2574 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2575 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2576 i = SSL_verify_client_post_handshake(con);
2577 if (i == 0) {
2578 printf("Failed to initiate request\n");
2579 ERR_print_errors(bio_err);
2580 } else {
2581 i = SSL_do_handshake(con);
2582 printf("SSL_do_handshake -> %d\n", i);
2583 i = 0;
2584 }
2585 continue;
2586 }
2587 if (buf[0] == 'P') {
2588 static const char *str = "Lets print some clear text\n";
2589 BIO_write(SSL_get_wbio(con), str, strlen(str));
2590 }
2591 if (buf[0] == 'S') {
2592 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2593 }
2594 }
2595#ifdef CHARSET_EBCDIC
2596 ebcdic2ascii(buf, buf, i);
2597#endif
2598 l = k = 0;
2599 for (;;) {
2600 /* should do a select for the write */
2601#ifdef RENEG
2602 static count = 0;
2603 if (++count == 100) {
2604 count = 0;
2605 SSL_renegotiate(con);
2606 }
2607#endif
2608 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2609#ifndef OPENSSL_NO_SRP
2610 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2611 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2612 SRP_user_pwd_free(srp_callback_parm.user);
2613 srp_callback_parm.user =
2614 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2615 srp_callback_parm.login);
2616 if (srp_callback_parm.user)
2617 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2618 srp_callback_parm.user->info);
2619 else
2620 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2621 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2622 }
2623#endif
2624 switch (SSL_get_error(con, k)) {
2625 case SSL_ERROR_NONE:
2626 break;
2627 case SSL_ERROR_WANT_ASYNC:
2628 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2629 (void)BIO_flush(bio_s_out);
2630 wait_for_async(con);
2631 break;
2632 case SSL_ERROR_WANT_WRITE:
2633 case SSL_ERROR_WANT_READ:
2634 case SSL_ERROR_WANT_X509_LOOKUP:
2635 BIO_printf(bio_s_out, "Write BLOCK\n");
2636 (void)BIO_flush(bio_s_out);
2637 break;
2638 case SSL_ERROR_WANT_ASYNC_JOB:
2639 /*
2640 * This shouldn't ever happen in s_server. Treat as an error
2641 */
2642 case SSL_ERROR_SYSCALL:
2643 case SSL_ERROR_SSL:
2644 BIO_printf(bio_s_out, "ERROR\n");
2645 (void)BIO_flush(bio_s_out);
2646 ERR_print_errors(bio_err);
2647 ret = 1;
2648 goto err;
2649 /* break; */
2650 case SSL_ERROR_ZERO_RETURN:
2651 BIO_printf(bio_s_out, "DONE\n");
2652 (void)BIO_flush(bio_s_out);
2653 ret = 1;
2654 goto err;
2655 }
2656 if (k > 0) {
2657 l += k;
2658 i -= k;
2659 }
2660 if (i <= 0)
2661 break;
2662 }
2663 }
2664 if (read_from_sslcon) {
2665 /*
2666 * init_ssl_connection handles all async events itself so if we're
2667 * waiting for async then we shouldn't go back into
2668 * init_ssl_connection
2669 */
2670 if ((!async || !SSL_waiting_for_async(con))
2671 && !SSL_is_init_finished(con)) {
2672 /*
2673 * Count number of reads during init_ssl_connection.
2674 * It helps us to distinguish configuration errors from errors
2675 * caused by a client.
2676 */
2677 unsigned int read_counter = 0;
2678
2679 BIO_set_callback_arg(SSL_get_rbio(con), (char *)&read_counter);
2680 i = init_ssl_connection(con);
2681 BIO_set_callback_arg(SSL_get_rbio(con), NULL);
2682
2683 /*
2684 * If initialization fails without reads, then
2685 * there was a fatal error in configuration.
2686 */
2687 if (i <= 0 && read_counter == 0) {
2688 ret = -1;
2689 goto err;
2690 }
2691
2692 if (i < 0) {
2693 ret = 0;
2694 goto err;
2695 } else if (i == 0) {
2696 ret = 1;
2697 goto err;
2698 }
2699 } else {
2700 again:
2701 i = SSL_read(con, (char *)buf, bufsize);
2702#ifndef OPENSSL_NO_SRP
2703 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2704 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2705 SRP_user_pwd_free(srp_callback_parm.user);
2706 srp_callback_parm.user =
2707 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2708 srp_callback_parm.login);
2709 if (srp_callback_parm.user)
2710 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2711 srp_callback_parm.user->info);
2712 else
2713 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2714 i = SSL_read(con, (char *)buf, bufsize);
2715 }
2716#endif
2717 switch (SSL_get_error(con, i)) {
2718 case SSL_ERROR_NONE:
2719#ifdef CHARSET_EBCDIC
2720 ascii2ebcdic(buf, buf, i);
2721#endif
2722 raw_write_stdout(buf, (unsigned int)i);
2723 (void)BIO_flush(bio_s_out);
2724 if (SSL_has_pending(con))
2725 goto again;
2726 break;
2727 case SSL_ERROR_WANT_ASYNC:
2728 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2729 (void)BIO_flush(bio_s_out);
2730 wait_for_async(con);
2731 break;
2732 case SSL_ERROR_WANT_WRITE:
2733 case SSL_ERROR_WANT_READ:
2734 BIO_printf(bio_s_out, "Read BLOCK\n");
2735 (void)BIO_flush(bio_s_out);
2736 break;
2737 case SSL_ERROR_WANT_ASYNC_JOB:
2738 /*
2739 * This shouldn't ever happen in s_server. Treat as an error
2740 */
2741 case SSL_ERROR_SYSCALL:
2742 case SSL_ERROR_SSL:
2743 BIO_printf(bio_s_out, "ERROR\n");
2744 (void)BIO_flush(bio_s_out);
2745 ERR_print_errors(bio_err);
2746 ret = 1;
2747 goto err;
2748 case SSL_ERROR_ZERO_RETURN:
2749 BIO_printf(bio_s_out, "DONE\n");
2750 (void)BIO_flush(bio_s_out);
2751 ret = 1;
2752 goto err;
2753 }
2754 }
2755 }
2756 }
2757 err:
2758 if (con != NULL) {
2759 BIO_printf(bio_s_out, "shutting down SSL\n");
2760 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2761 SSL_free(con);
2762 }
2763 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2764 OPENSSL_clear_free(buf, bufsize);
2765 return ret;
2766}
2767
2768static void close_accept_socket(void)
2769{
2770 BIO_printf(bio_err, "shutdown accept socket\n");
2771 if (accept_socket >= 0) {
2772 BIO_closesocket(accept_socket);
2773 }
2774}
2775
2776static int is_retryable(SSL *con, int i)
2777{
2778 int err = SSL_get_error(con, i);
2779
2780 /* If it's not a fatal error, it must be retryable */
2781 return (err != SSL_ERROR_SSL)
2782 && (err != SSL_ERROR_SYSCALL)
2783 && (err != SSL_ERROR_ZERO_RETURN);
2784}
2785
2786static int init_ssl_connection(SSL *con)
2787{
2788 int i;
2789 long verify_err;
2790 int retry = 0;
2791
2792 if (dtlslisten || stateless) {
2793 BIO_ADDR *client = NULL;
2794
2795 if (dtlslisten) {
2796 if ((client = BIO_ADDR_new()) == NULL) {
2797 BIO_printf(bio_err, "ERROR - memory\n");
2798 return 0;
2799 }
2800 i = DTLSv1_listen(con, client);
2801 } else {
2802 i = SSL_stateless(con);
2803 }
2804 if (i > 0) {
2805 BIO *wbio;
2806 int fd = -1;
2807
2808 if (dtlslisten) {
2809 wbio = SSL_get_wbio(con);
2810 if (wbio) {
2811 BIO_get_fd(wbio, &fd);
2812 }
2813
2814 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2815 BIO_printf(bio_err, "ERROR - unable to connect\n");
2816 BIO_ADDR_free(client);
2817 return 0;
2818 }
2819
2820 (void)BIO_ctrl_set_connected(wbio, client);
2821 BIO_ADDR_free(client);
2822 dtlslisten = 0;
2823 } else {
2824 stateless = 0;
2825 }
2826 i = SSL_accept(con);
2827 } else {
2828 BIO_ADDR_free(client);
2829 }
2830 } else {
2831 do {
2832 i = SSL_accept(con);
2833
2834 if (i <= 0)
2835 retry = is_retryable(con, i);
2836#ifdef CERT_CB_TEST_RETRY
2837 {
2838 while (i <= 0
2839 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2840 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2841 BIO_printf(bio_err,
2842 "LOOKUP from certificate callback during accept\n");
2843 i = SSL_accept(con);
2844 if (i <= 0)
2845 retry = is_retryable(con, i);
2846 }
2847 }
2848#endif
2849
2850#ifndef OPENSSL_NO_SRP
2851 while (i <= 0
2852 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2853 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2854 srp_callback_parm.login);
2855 SRP_user_pwd_free(srp_callback_parm.user);
2856 srp_callback_parm.user =
2857 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2858 srp_callback_parm.login);
2859 if (srp_callback_parm.user)
2860 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2861 srp_callback_parm.user->info);
2862 else
2863 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2864 i = SSL_accept(con);
2865 if (i <= 0)
2866 retry = is_retryable(con, i);
2867 }
2868#endif
2869 } while (i < 0 && SSL_waiting_for_async(con));
2870 }
2871
2872 if (i <= 0) {
2873 if (((dtlslisten || stateless) && i == 0)
2874 || (!dtlslisten && !stateless && retry)) {
2875 BIO_printf(bio_s_out, "DELAY\n");
2876 return 1;
2877 }
2878
2879 BIO_printf(bio_err, "ERROR\n");
2880
2881 verify_err = SSL_get_verify_result(con);
2882 if (verify_err != X509_V_OK) {
2883 BIO_printf(bio_err, "verify error:%s\n",
2884 X509_verify_cert_error_string(verify_err));
2885 }
2886 /* Always print any error messages */
2887 ERR_print_errors(bio_err);
2888 return 0;
2889 }
2890
2891 print_connection_info(con);
2892 return 1;
2893}
2894
2895static void print_connection_info(SSL *con)
2896{
2897 const char *str;
2898 X509 *peer;
2899 char buf[BUFSIZ];
2900#if !defined(OPENSSL_NO_NEXTPROTONEG)
2901 const unsigned char *next_proto_neg;
2902 unsigned next_proto_neg_len;
2903#endif
2904 unsigned char *exportedkeymat;
2905 int i;
2906
2907 if (s_brief)
2908 print_ssl_summary(con);
2909
2910 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2911
2912 peer = SSL_get_peer_certificate(con);
2913 if (peer != NULL) {
2914 BIO_printf(bio_s_out, "Client certificate\n");
2915 PEM_write_bio_X509(bio_s_out, peer);
2916 dump_cert_text(bio_s_out, peer);
2917 X509_free(peer);
2918 peer = NULL;
2919 }
2920
2921 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2922 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2923 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2924 ssl_print_sigalgs(bio_s_out, con);
2925#ifndef OPENSSL_NO_EC
2926 ssl_print_point_formats(bio_s_out, con);
2927 ssl_print_groups(bio_s_out, con, 0);
2928#endif
2929 print_ca_names(bio_s_out, con);
2930 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2931
2932#if !defined(OPENSSL_NO_NEXTPROTONEG)
2933 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2934 if (next_proto_neg) {
2935 BIO_printf(bio_s_out, "NEXTPROTO is ");
2936 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2937 BIO_printf(bio_s_out, "\n");
2938 }
2939#endif
2940#ifndef OPENSSL_NO_SRTP
2941 {
2942 SRTP_PROTECTION_PROFILE *srtp_profile
2943 = SSL_get_selected_srtp_profile(con);
2944
2945 if (srtp_profile)
2946 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2947 srtp_profile->name);
2948 }
2949#endif
2950 if (SSL_session_reused(con))
2951 BIO_printf(bio_s_out, "Reused session-id\n");
2952 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2953 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2954 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2955 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2956
2957 if (keymatexportlabel != NULL) {
2958 BIO_printf(bio_s_out, "Keying material exporter:\n");
2959 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2960 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2961 exportedkeymat = app_malloc(keymatexportlen, "export key");
2962 if (!SSL_export_keying_material(con, exportedkeymat,
2963 keymatexportlen,
2964 keymatexportlabel,
2965 strlen(keymatexportlabel),
2966 NULL, 0, 0)) {
2967 BIO_printf(bio_s_out, " Error\n");
2968 } else {
2969 BIO_printf(bio_s_out, " Keying material: ");
2970 for (i = 0; i < keymatexportlen; i++)
2971 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2972 BIO_printf(bio_s_out, "\n");
2973 }
2974 OPENSSL_free(exportedkeymat);
2975 }
2976
2977 (void)BIO_flush(bio_s_out);
2978}
2979
2980#ifndef OPENSSL_NO_DH
2981static DH *load_dh_param(const char *dhfile)
2982{
2983 DH *ret = NULL;
2984 BIO *bio;
2985
2986 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2987 goto err;
2988 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2989 err:
2990 BIO_free(bio);
2991 return ret;
2992}
2993#endif
2994
2995static int www_body(int s, int stype, int prot, unsigned char *context)
2996{
2997 char *buf = NULL;
2998 int ret = 1;
2999 int i, j, k, dot;
3000 SSL *con;
3001 const SSL_CIPHER *c;
3002 BIO *io, *ssl_bio, *sbio;
3003#ifdef RENEG
3004 int total_bytes = 0;
3005#endif
3006 int width;
3007 fd_set readfds;
3008
3009 /* Set width for a select call if needed */
3010 width = s + 1;
3011
3012 buf = app_malloc(bufsize, "server www buffer");
3013 io = BIO_new(BIO_f_buffer());
3014 ssl_bio = BIO_new(BIO_f_ssl());
3015 if ((io == NULL) || (ssl_bio == NULL))
3016 goto err;
3017
3018 if (s_nbio) {
3019 if (!BIO_socket_nbio(s, 1))
3020 ERR_print_errors(bio_err);
3021 else if (!s_quiet)
3022 BIO_printf(bio_err, "Turned on non blocking io\n");
3023 }
3024
3025 /* lets make the output buffer a reasonable size */
3026 if (!BIO_set_write_buffer_size(io, bufsize))
3027 goto err;
3028
3029 if ((con = SSL_new(ctx)) == NULL)
3030 goto err;
3031
3032 if (s_tlsextdebug) {
3033 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3034 SSL_set_tlsext_debug_arg(con, bio_s_out);
3035 }
3036
3037 if (context != NULL
3038 && !SSL_set_session_id_context(con, context,
3039 strlen((char *)context))) {
3040 SSL_free(con);
3041 goto err;
3042 }
3043
3044 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3045 if (s_nbio_test) {
3046 BIO *test;
3047
3048 test = BIO_new(BIO_f_nbio_test());
3049 sbio = BIO_push(test, sbio);
3050 }
3051 SSL_set_bio(con, sbio, sbio);
3052 SSL_set_accept_state(con);
3053
3054 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3055 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3056 BIO_push(io, ssl_bio);
3057#ifdef CHARSET_EBCDIC
3058 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3059#endif
3060
3061 if (s_debug) {
3062 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3063 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3064 }
3065 if (s_msg) {
3066#ifndef OPENSSL_NO_SSL_TRACE
3067 if (s_msg == 2)
3068 SSL_set_msg_callback(con, SSL_trace);
3069 else
3070#endif
3071 SSL_set_msg_callback(con, msg_cb);
3072 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3073 }
3074
3075 for (;;) {
3076 i = BIO_gets(io, buf, bufsize - 1);
3077 if (i < 0) { /* error */
3078 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3079 if (!s_quiet)
3080 ERR_print_errors(bio_err);
3081 goto err;
3082 } else {
3083 BIO_printf(bio_s_out, "read R BLOCK\n");
3084#ifndef OPENSSL_NO_SRP
3085 if (BIO_should_io_special(io)
3086 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3087 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3088 SRP_user_pwd_free(srp_callback_parm.user);
3089 srp_callback_parm.user =
3090 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3091 srp_callback_parm.login);
3092 if (srp_callback_parm.user)
3093 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3094 srp_callback_parm.user->info);
3095 else
3096 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3097 continue;
3098 }
3099#endif
3100#if !defined(OPENSSL_SYS_MSDOS)
3101 sleep(1);
3102#endif
3103 continue;
3104 }
3105 } else if (i == 0) { /* end of input */
3106 ret = 1;
3107 goto end;
3108 }
3109
3110 /* else we have data */
3111 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3112 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3113 char *p;
3114 X509 *peer = NULL;
3115 STACK_OF(SSL_CIPHER) *sk;
3116 static const char *space = " ";
3117
3118 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3119 if (strncmp("GET /renegcert", buf, 14) == 0)
3120 SSL_set_verify(con,
3121 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3122 NULL);
3123 i = SSL_renegotiate(con);
3124 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3125 /* Send the HelloRequest */
3126 i = SSL_do_handshake(con);
3127 if (i <= 0) {
3128 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3129 SSL_get_error(con, i));
3130 ERR_print_errors(bio_err);
3131 goto err;
3132 }
3133 /* Wait for a ClientHello to come back */
3134 FD_ZERO(&readfds);
3135 openssl_fdset(s, &readfds);
3136 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3137 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3138 BIO_printf(bio_s_out,
3139 "Error waiting for client response\n");
3140 ERR_print_errors(bio_err);
3141 goto err;
3142 }
3143 /*
3144 * We're not actually expecting any data here and we ignore
3145 * any that is sent. This is just to force the handshake that
3146 * we're expecting to come from the client. If they haven't
3147 * sent one there's not much we can do.
3148 */
3149 BIO_gets(io, buf, bufsize - 1);
3150 }
3151
3152 BIO_puts(io,
3153 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3154 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3155 BIO_puts(io, "<pre>\n");
3156 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3157 BIO_puts(io, "\n");
3158 for (i = 0; i < local_argc; i++) {
3159 const char *myp;
3160 for (myp = local_argv[i]; *myp; myp++)
3161 switch (*myp) {
3162 case '<':
3163 BIO_puts(io, "&lt;");
3164 break;
3165 case '>':
3166 BIO_puts(io, "&gt;");
3167 break;
3168 case '&':
3169 BIO_puts(io, "&amp;");
3170 break;
3171 default:
3172 BIO_write(io, myp, 1);
3173 break;
3174 }
3175 BIO_write(io, " ", 1);
3176 }
3177 BIO_puts(io, "\n");
3178
3179 BIO_printf(io,
3180 "Secure Renegotiation IS%s supported\n",
3181 SSL_get_secure_renegotiation_support(con) ?
3182 "" : " NOT");
3183
3184 /*
3185 * The following is evil and should not really be done
3186 */
3187 BIO_printf(io, "Ciphers supported in s_server binary\n");
3188 sk = SSL_get_ciphers(con);
3189 j = sk_SSL_CIPHER_num(sk);
3190 for (i = 0; i < j; i++) {
3191 c = sk_SSL_CIPHER_value(sk, i);
3192 BIO_printf(io, "%-11s:%-25s ",
3193 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3194 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3195 BIO_puts(io, "\n");
3196 }
3197 BIO_puts(io, "\n");
3198 p = SSL_get_shared_ciphers(con, buf, bufsize);
3199 if (p != NULL) {
3200 BIO_printf(io,
3201 "---\nCiphers common between both SSL end points:\n");
3202 j = i = 0;
3203 while (*p) {
3204 if (*p == ':') {
3205 BIO_write(io, space, 26 - j);
3206 i++;
3207 j = 0;
3208 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3209 } else {
3210 BIO_write(io, p, 1);
3211 j++;
3212 }
3213 p++;
3214 }
3215 BIO_puts(io, "\n");
3216 }
3217 ssl_print_sigalgs(io, con);
3218#ifndef OPENSSL_NO_EC
3219 ssl_print_groups(io, con, 0);
3220#endif
3221 print_ca_names(io, con);
3222 BIO_printf(io, (SSL_session_reused(con)
3223 ? "---\nReused, " : "---\nNew, "));
3224 c = SSL_get_current_cipher(con);
3225 BIO_printf(io, "%s, Cipher is %s\n",
3226 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3227 SSL_SESSION_print(io, SSL_get_session(con));
3228 BIO_printf(io, "---\n");
3229 print_stats(io, SSL_get_SSL_CTX(con));
3230 BIO_printf(io, "---\n");
3231 peer = SSL_get_peer_certificate(con);
3232 if (peer != NULL) {
3233 BIO_printf(io, "Client certificate\n");
3234 X509_print(io, peer);
3235 PEM_write_bio_X509(io, peer);
3236 X509_free(peer);
3237 peer = NULL;
3238 } else {
3239 BIO_puts(io, "no client certificate available\n");
3240 }
3241 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3242 break;
3243 } else if ((www == 2 || www == 3)
3244 && (strncmp("GET /", buf, 5) == 0)) {
3245 BIO *file;
3246 char *p, *e;
3247 static const char *text =
3248 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3249
3250 /* skip the '/' */
3251 p = &(buf[5]);
3252
3253 dot = 1;
3254 for (e = p; *e != '\0'; e++) {
3255 if (e[0] == ' ')
3256 break;
3257
3258 if (e[0] == ':') {
3259 /* Windows drive. We treat this the same way as ".." */
3260 dot = -1;
3261 break;
3262 }
3263
3264 switch (dot) {
3265 case 1:
3266 dot = (e[0] == '.') ? 2 : 0;
3267 break;
3268 case 2:
3269 dot = (e[0] == '.') ? 3 : 0;
3270 break;
3271 case 3:
3272 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
3273 break;
3274 }
3275 if (dot == 0)
3276 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
3277 }
3278 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3279 * component */
3280
3281 if (*e == '\0') {
3282 BIO_puts(io, text);
3283 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3284 break;
3285 }
3286 *e = '\0';
3287
3288 if (dot) {
3289 BIO_puts(io, text);
3290 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
3291 break;
3292 }
3293
3294 if (*p == '/' || *p == '\\') {
3295 BIO_puts(io, text);
3296 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3297 break;
3298 }
3299
3300 /* if a directory, do the index thang */
3301 if (app_isdir(p) > 0) {
3302 BIO_puts(io, text);
3303 BIO_printf(io, "'%s' is a directory\r\n", p);
3304 break;
3305 }
3306
3307 if ((file = BIO_new_file(p, "r")) == NULL) {
3308 BIO_puts(io, text);
3309 BIO_printf(io, "Error opening '%s'\r\n", p);
3310 ERR_print_errors(io);
3311 break;
3312 }
3313
3314 if (!s_quiet)
3315 BIO_printf(bio_err, "FILE:%s\n", p);
3316
3317 if (www == 2) {
3318 i = strlen(p);
3319 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3320 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3321 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3322 BIO_puts(io,
3323 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3324 else
3325 BIO_puts(io,
3326 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3327 }
3328 /* send the file */
3329 for (;;) {
3330 i = BIO_read(file, buf, bufsize);
3331 if (i <= 0)
3332 break;
3333
3334#ifdef RENEG
3335 total_bytes += i;
3336 BIO_printf(bio_err, "%d\n", i);
3337 if (total_bytes > 3 * 1024) {
3338 total_bytes = 0;
3339 BIO_printf(bio_err, "RENEGOTIATE\n");
3340 SSL_renegotiate(con);
3341 }
3342#endif
3343
3344 for (j = 0; j < i;) {
3345#ifdef RENEG
3346 static count = 0;
3347 if (++count == 13) {
3348 SSL_renegotiate(con);
3349 }
3350#endif
3351 k = BIO_write(io, &(buf[j]), i - j);
3352 if (k <= 0) {
3353 if (!BIO_should_retry(io)
3354 && !SSL_waiting_for_async(con))
3355 goto write_error;
3356 else {
3357 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3358 }
3359 } else {
3360 j += k;
3361 }
3362 }
3363 }
3364 write_error:
3365 BIO_free(file);
3366 break;
3367 }
3368 }
3369
3370 for (;;) {
3371 i = (int)BIO_flush(io);
3372 if (i <= 0) {
3373 if (!BIO_should_retry(io))
3374 break;
3375 } else
3376 break;
3377 }
3378 end:
3379 /* make sure we re-use sessions */
3380 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3381
3382 err:
3383 OPENSSL_free(buf);
3384 BIO_free_all(io);
3385 return ret;
3386}
3387
3388static int rev_body(int s, int stype, int prot, unsigned char *context)
3389{
3390 char *buf = NULL;
3391 int i;
3392 int ret = 1;
3393 SSL *con;
3394 BIO *io, *ssl_bio, *sbio;
3395
3396 buf = app_malloc(bufsize, "server rev buffer");
3397 io = BIO_new(BIO_f_buffer());
3398 ssl_bio = BIO_new(BIO_f_ssl());
3399 if ((io == NULL) || (ssl_bio == NULL))
3400 goto err;
3401
3402 /* lets make the output buffer a reasonable size */
3403 if (!BIO_set_write_buffer_size(io, bufsize))
3404 goto err;
3405
3406 if ((con = SSL_new(ctx)) == NULL)
3407 goto err;
3408
3409 if (s_tlsextdebug) {
3410 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3411 SSL_set_tlsext_debug_arg(con, bio_s_out);
3412 }
3413 if (context != NULL
3414 && !SSL_set_session_id_context(con, context,
3415 strlen((char *)context))) {
3416 SSL_free(con);
3417 ERR_print_errors(bio_err);
3418 goto err;
3419 }
3420
3421 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3422 SSL_set_bio(con, sbio, sbio);
3423 SSL_set_accept_state(con);
3424
3425 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3426 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3427 BIO_push(io, ssl_bio);
3428#ifdef CHARSET_EBCDIC
3429 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3430#endif
3431
3432 if (s_debug) {
3433 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3434 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3435 }
3436 if (s_msg) {
3437#ifndef OPENSSL_NO_SSL_TRACE
3438 if (s_msg == 2)
3439 SSL_set_msg_callback(con, SSL_trace);
3440 else
3441#endif
3442 SSL_set_msg_callback(con, msg_cb);
3443 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3444 }
3445
3446 for (;;) {
3447 i = BIO_do_handshake(io);
3448 if (i > 0)
3449 break;
3450 if (!BIO_should_retry(io)) {
3451 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3452 ERR_print_errors(bio_err);
3453 goto end;
3454 }
3455#ifndef OPENSSL_NO_SRP
3456 if (BIO_should_io_special(io)
3457 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3458 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3459 SRP_user_pwd_free(srp_callback_parm.user);
3460 srp_callback_parm.user =
3461 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3462 srp_callback_parm.login);
3463 if (srp_callback_parm.user)
3464 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3465 srp_callback_parm.user->info);
3466 else
3467 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3468 continue;
3469 }
3470#endif
3471 }
3472 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3473 print_ssl_summary(con);
3474
3475 for (;;) {
3476 i = BIO_gets(io, buf, bufsize - 1);
3477 if (i < 0) { /* error */
3478 if (!BIO_should_retry(io)) {
3479 if (!s_quiet)
3480 ERR_print_errors(bio_err);
3481 goto err;
3482 } else {
3483 BIO_printf(bio_s_out, "read R BLOCK\n");
3484#ifndef OPENSSL_NO_SRP
3485 if (BIO_should_io_special(io)
3486 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3487 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3488 SRP_user_pwd_free(srp_callback_parm.user);
3489 srp_callback_parm.user =
3490 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3491 srp_callback_parm.login);
3492 if (srp_callback_parm.user)
3493 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3494 srp_callback_parm.user->info);
3495 else
3496 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3497 continue;
3498 }
3499#endif
3500#if !defined(OPENSSL_SYS_MSDOS)
3501 sleep(1);
3502#endif
3503 continue;
3504 }
3505 } else if (i == 0) { /* end of input */
3506 ret = 1;
3507 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3508 goto end;
3509 } else {
3510 char *p = buf + i - 1;
3511 while (i && (*p == '\n' || *p == '\r')) {
3512 p--;
3513 i--;
3514 }
3515 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3516 ret = 1;
3517 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3518 goto end;
3519 }
3520 BUF_reverse((unsigned char *)buf, NULL, i);
3521 buf[i] = '\n';
3522 BIO_write(io, buf, i + 1);
3523 for (;;) {
3524 i = BIO_flush(io);
3525 if (i > 0)
3526 break;
3527 if (!BIO_should_retry(io))
3528 goto end;
3529 }
3530 }
3531 }
3532 end:
3533 /* make sure we re-use sessions */
3534 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3535
3536 err:
3537
3538 OPENSSL_free(buf);
3539 BIO_free_all(io);
3540 return ret;
3541}
3542
3543#define MAX_SESSION_ID_ATTEMPTS 10
3544static int generate_session_id(SSL *ssl, unsigned char *id,
3545 unsigned int *id_len)
3546{
3547 unsigned int count = 0;
3548 do {
3549 if (RAND_bytes(id, *id_len) <= 0)
3550 return 0;
3551 /*
3552 * Prefix the session_id with the required prefix. NB: If our prefix
3553 * is too long, clip it - but there will be worse effects anyway, eg.
3554 * the server could only possibly create 1 session ID (ie. the
3555 * prefix!) so all future session negotiations will fail due to
3556 * conflicts.
3557 */
3558 memcpy(id, session_id_prefix,
3559 (strlen(session_id_prefix) < *id_len) ?
3560 strlen(session_id_prefix) : *id_len);
3561 }
3562 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3563 (++count < MAX_SESSION_ID_ATTEMPTS));
3564 if (count >= MAX_SESSION_ID_ATTEMPTS)
3565 return 0;
3566 return 1;
3567}
3568
3569/*
3570 * By default s_server uses an in-memory cache which caches SSL_SESSION
3571 * structures without any serialisation. This hides some bugs which only
3572 * become apparent in deployed servers. By implementing a basic external
3573 * session cache some issues can be debugged using s_server.
3574 */
3575
3576typedef struct simple_ssl_session_st {
3577 unsigned char *id;
3578 unsigned int idlen;
3579 unsigned char *der;
3580 int derlen;
3581 struct simple_ssl_session_st *next;
3582} simple_ssl_session;
3583
3584static simple_ssl_session *first = NULL;
3585
3586static int add_session(SSL *ssl, SSL_SESSION *session)
3587{
3588 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3589 unsigned char *p;
3590
3591 SSL_SESSION_get_id(session, &sess->idlen);
3592 sess->derlen = i2d_SSL_SESSION(session, NULL);
3593 if (sess->derlen < 0) {
3594 BIO_printf(bio_err, "Error encoding session\n");
3595 OPENSSL_free(sess);
3596 return 0;
3597 }
3598
3599 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3600 sess->der = app_malloc(sess->derlen, "get session buffer");
3601 if (!sess->id) {
3602 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3603 OPENSSL_free(sess->id);
3604 OPENSSL_free(sess->der);
3605 OPENSSL_free(sess);
3606 return 0;
3607 }
3608 p = sess->der;
3609
3610 /* Assume it still works. */
3611 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3612 BIO_printf(bio_err, "Unexpected session encoding length\n");
3613 OPENSSL_free(sess->id);
3614 OPENSSL_free(sess->der);
3615 OPENSSL_free(sess);
3616 return 0;
3617 }
3618
3619 sess->next = first;
3620 first = sess;
3621 BIO_printf(bio_err, "New session added to external cache\n");
3622 return 0;
3623}
3624
3625static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3626 int *do_copy)
3627{
3628 simple_ssl_session *sess;
3629 *do_copy = 0;
3630 for (sess = first; sess; sess = sess->next) {
3631 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3632 const unsigned char *p = sess->der;
3633 BIO_printf(bio_err, "Lookup session: cache hit\n");
3634 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3635 }
3636 }
3637 BIO_printf(bio_err, "Lookup session: cache miss\n");
3638 return NULL;
3639}
3640
3641static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3642{
3643 simple_ssl_session *sess, *prev = NULL;
3644 const unsigned char *id;
3645 unsigned int idlen;
3646 id = SSL_SESSION_get_id(session, &idlen);
3647 for (sess = first; sess; sess = sess->next) {
3648 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3649 if (prev)
3650 prev->next = sess->next;
3651 else
3652 first = sess->next;
3653 OPENSSL_free(sess->id);
3654 OPENSSL_free(sess->der);
3655 OPENSSL_free(sess);
3656 return;
3657 }
3658 prev = sess;
3659 }
3660}
3661
3662static void init_session_cache_ctx(SSL_CTX *sctx)
3663{
3664 SSL_CTX_set_session_cache_mode(sctx,
3665 SSL_SESS_CACHE_NO_INTERNAL |
3666 SSL_SESS_CACHE_SERVER);
3667 SSL_CTX_sess_set_new_cb(sctx, add_session);
3668 SSL_CTX_sess_set_get_cb(sctx, get_session);
3669 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3670}
3671
3672static void free_sessions(void)
3673{
3674 simple_ssl_session *sess, *tsess;
3675 for (sess = first; sess;) {
3676 OPENSSL_free(sess->id);
3677 OPENSSL_free(sess->der);
3678 tsess = sess;
3679 sess = sess->next;
3680 OPENSSL_free(tsess);
3681 }
3682 first = NULL;
3683}
3684
3685#endif /* OPENSSL_NO_SOCK */