VirtualBox

source: vbox/trunk/src/libs/openssl-3.0.2/apps/s_server.c@ 94403

最後變更 在這個檔案從94403是 94082,由 vboxsync 提交於 3 年 前

libs/openssl-3.0.1: started applying and adjusting our OpenSSL changes to 3.0.1. bugref:10128
檔案大小: 117.3 KB
行 
1/*
2 * Copyright 1995-2021 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 Apache License 2.0 (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#include <openssl/decoder.h>
25
26#ifndef OPENSSL_NO_SOCK
27
28/*
29 * With IPv6, it looks like Digital has mixed up the proper order of
30 * recursive header file inclusion, resulting in the compiler complaining
31 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
32 * needed to have fileno() declared correctly... So let's define u_int
33 */
34#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
35# define __U_INT
36typedef unsigned int u_int;
37#endif
38
39#include <openssl/bn.h>
40#include "apps.h"
41#include "progs.h"
42#include <openssl/err.h>
43#include <openssl/pem.h>
44#include <openssl/x509.h>
45#include <openssl/ssl.h>
46#include <openssl/rand.h>
47#include <openssl/ocsp.h>
48#ifndef OPENSSL_NO_DH
49# include <openssl/dh.h>
50#endif
51#include <openssl/rsa.h>
52#include "s_apps.h"
53#include "timeouts.h"
54#ifdef CHARSET_EBCDIC
55#include <openssl/ebcdic.h>
56#endif
57#include "internal/sockets.h"
58
59static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
60static int sv_body(int s, int stype, int prot, unsigned char *context);
61static int www_body(int s, int stype, int prot, unsigned char *context);
62static int rev_body(int s, int stype, int prot, unsigned char *context);
63static void close_accept_socket(void);
64static int init_ssl_connection(SSL *s);
65static void print_stats(BIO *bp, SSL_CTX *ctx);
66static int generate_session_id(SSL *ssl, unsigned char *id,
67 unsigned int *id_len);
68static void init_session_cache_ctx(SSL_CTX *sctx);
69static void free_sessions(void);
70static void print_connection_info(SSL *con);
71
72static const int bufsize = 16 * 1024;
73static int accept_socket = -1;
74
75#define TEST_CERT "server.pem"
76#define TEST_CERT2 "server2.pem"
77
78static int s_nbio = 0;
79static int s_nbio_test = 0;
80static int s_crlf = 0;
81static SSL_CTX *ctx = NULL;
82static SSL_CTX *ctx2 = NULL;
83static int www = 0;
84
85static BIO *bio_s_out = NULL;
86static BIO *bio_s_msg = NULL;
87static int s_debug = 0;
88static int s_tlsextdebug = 0;
89static int s_msg = 0;
90static int s_quiet = 0;
91static int s_ign_eof = 0;
92static int s_brief = 0;
93
94static char *keymatexportlabel = NULL;
95static int keymatexportlen = 20;
96
97static int async = 0;
98
99static int use_sendfile = 0;
100
101static const char *session_id_prefix = NULL;
102
103#ifndef OPENSSL_NO_DTLS
104static int enable_timeouts = 0;
105static long socket_mtu;
106#endif
107
108/*
109 * We define this but make it always be 0 in no-dtls builds to simplify the
110 * code.
111 */
112static int dtlslisten = 0;
113static int stateless = 0;
114
115static int early_data = 0;
116static SSL_SESSION *psksess = NULL;
117
118static char *psk_identity = "Client_identity";
119char *psk_key = NULL; /* by default PSK is not used */
120
121static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
122
123#ifndef OPENSSL_NO_PSK
124static unsigned int psk_server_cb(SSL *ssl, const char *identity,
125 unsigned char *psk,
126 unsigned int max_psk_len)
127{
128 long key_len = 0;
129 unsigned char *key;
130
131 if (s_debug)
132 BIO_printf(bio_s_out, "psk_server_cb\n");
133
134 if (!SSL_is_dtls(ssl) && SSL_version(ssl) >= TLS1_3_VERSION) {
135 /*
136 * This callback is designed for use in (D)TLSv1.2 (or below). It is
137 * possible to use a single callback for all protocol versions - but it
138 * is preferred to use a dedicated callback for TLSv1.3. For TLSv1.3 we
139 * have psk_find_session_cb.
140 */
141 return 0;
142 }
143
144 if (identity == NULL) {
145 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
146 goto out_err;
147 }
148 if (s_debug)
149 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
150 (int)strlen(identity), identity);
151
152 /* here we could lookup the given identity e.g. from a database */
153 if (strcmp(identity, psk_identity) != 0) {
154 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
155 " (got '%s' expected '%s')\n", identity, psk_identity);
156 } else {
157 if (s_debug)
158 BIO_printf(bio_s_out, "PSK client identity found\n");
159 }
160
161 /* convert the PSK key to binary */
162 key = OPENSSL_hexstr2buf(psk_key, &key_len);
163 if (key == NULL) {
164 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
165 psk_key);
166 return 0;
167 }
168 if (key_len > (int)max_psk_len) {
169 BIO_printf(bio_err,
170 "psk buffer of callback is too small (%d) for key (%ld)\n",
171 max_psk_len, key_len);
172 OPENSSL_free(key);
173 return 0;
174 }
175
176 memcpy(psk, key, key_len);
177 OPENSSL_free(key);
178
179 if (s_debug)
180 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
181 return key_len;
182 out_err:
183 if (s_debug)
184 BIO_printf(bio_err, "Error in PSK server callback\n");
185 (void)BIO_flush(bio_err);
186 (void)BIO_flush(bio_s_out);
187 return 0;
188}
189#endif
190
191static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
192 size_t identity_len, SSL_SESSION **sess)
193{
194 SSL_SESSION *tmpsess = NULL;
195 unsigned char *key;
196 long key_len;
197 const SSL_CIPHER *cipher = NULL;
198
199 if (strlen(psk_identity) != identity_len
200 || memcmp(psk_identity, identity, identity_len) != 0) {
201 *sess = NULL;
202 return 1;
203 }
204
205 if (psksess != NULL) {
206 SSL_SESSION_up_ref(psksess);
207 *sess = psksess;
208 return 1;
209 }
210
211 key = OPENSSL_hexstr2buf(psk_key, &key_len);
212 if (key == NULL) {
213 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
214 psk_key);
215 return 0;
216 }
217
218 /* We default to SHA256 */
219 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
220 if (cipher == NULL) {
221 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
222 OPENSSL_free(key);
223 return 0;
224 }
225
226 tmpsess = SSL_SESSION_new();
227 if (tmpsess == NULL
228 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
229 || !SSL_SESSION_set_cipher(tmpsess, cipher)
230 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
231 OPENSSL_free(key);
232 return 0;
233 }
234 OPENSSL_free(key);
235 *sess = tmpsess;
236
237 return 1;
238}
239
240#ifndef OPENSSL_NO_SRP
241static srpsrvparm srp_callback_parm;
242#endif
243
244static int local_argc = 0;
245static char **local_argv;
246
247#ifdef CHARSET_EBCDIC
248static int ebcdic_new(BIO *bi);
249static int ebcdic_free(BIO *a);
250static int ebcdic_read(BIO *b, char *out, int outl);
251static int ebcdic_write(BIO *b, const char *in, int inl);
252static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
253static int ebcdic_gets(BIO *bp, char *buf, int size);
254static int ebcdic_puts(BIO *bp, const char *str);
255
256# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
257static BIO_METHOD *methods_ebcdic = NULL;
258
259/* This struct is "unwarranted chumminess with the compiler." */
260typedef struct {
261 size_t alloced;
262 char buff[1];
263} EBCDIC_OUTBUFF;
264
265static const BIO_METHOD *BIO_f_ebcdic_filter()
266{
267 if (methods_ebcdic == NULL) {
268 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
269 "EBCDIC/ASCII filter");
270 if (methods_ebcdic == NULL
271 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
272 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
273 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
274 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
275 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
276 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
277 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
278 return NULL;
279 }
280 return methods_ebcdic;
281}
282
283static int ebcdic_new(BIO *bi)
284{
285 EBCDIC_OUTBUFF *wbuf;
286
287 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
288 wbuf->alloced = 1024;
289 wbuf->buff[0] = '\0';
290
291 BIO_set_data(bi, wbuf);
292 BIO_set_init(bi, 1);
293 return 1;
294}
295
296static int ebcdic_free(BIO *a)
297{
298 EBCDIC_OUTBUFF *wbuf;
299
300 if (a == NULL)
301 return 0;
302 wbuf = BIO_get_data(a);
303 OPENSSL_free(wbuf);
304 BIO_set_data(a, NULL);
305 BIO_set_init(a, 0);
306
307 return 1;
308}
309
310static int ebcdic_read(BIO *b, char *out, int outl)
311{
312 int ret = 0;
313 BIO *next = BIO_next(b);
314
315 if (out == NULL || outl == 0)
316 return 0;
317 if (next == NULL)
318 return 0;
319
320 ret = BIO_read(next, out, outl);
321 if (ret > 0)
322 ascii2ebcdic(out, out, ret);
323 return ret;
324}
325
326static int ebcdic_write(BIO *b, const char *in, int inl)
327{
328 EBCDIC_OUTBUFF *wbuf;
329 BIO *next = BIO_next(b);
330 int ret = 0;
331 int num;
332
333 if ((in == NULL) || (inl <= 0))
334 return 0;
335 if (next == NULL)
336 return 0;
337
338 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
339
340 if (inl > (num = wbuf->alloced)) {
341 num = num + num; /* double the size */
342 if (num < inl)
343 num = inl;
344 OPENSSL_free(wbuf);
345 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
346
347 wbuf->alloced = num;
348 wbuf->buff[0] = '\0';
349
350 BIO_set_data(b, wbuf);
351 }
352
353 ebcdic2ascii(wbuf->buff, in, inl);
354
355 ret = BIO_write(next, wbuf->buff, inl);
356
357 return ret;
358}
359
360static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
361{
362 long ret;
363 BIO *next = BIO_next(b);
364
365 if (next == NULL)
366 return 0;
367 switch (cmd) {
368 case BIO_CTRL_DUP:
369 ret = 0L;
370 break;
371 default:
372 ret = BIO_ctrl(next, cmd, num, ptr);
373 break;
374 }
375 return ret;
376}
377
378static int ebcdic_gets(BIO *bp, char *buf, int size)
379{
380 int i, ret = 0;
381 BIO *next = BIO_next(bp);
382
383 if (next == NULL)
384 return 0;
385/* return(BIO_gets(bp->next_bio,buf,size));*/
386 for (i = 0; i < size - 1; ++i) {
387 ret = ebcdic_read(bp, &buf[i], 1);
388 if (ret <= 0)
389 break;
390 else if (buf[i] == '\n') {
391 ++i;
392 break;
393 }
394 }
395 if (i < size)
396 buf[i] = '\0';
397 return (ret < 0 && i == 0) ? ret : i;
398}
399
400static int ebcdic_puts(BIO *bp, const char *str)
401{
402 if (BIO_next(bp) == NULL)
403 return 0;
404 return ebcdic_write(bp, str, strlen(str));
405}
406#endif
407
408/* This is a context that we pass to callbacks */
409typedef struct tlsextctx_st {
410 char *servername;
411 BIO *biodebug;
412 int extension_error;
413} tlsextctx;
414
415static int ssl_servername_cb(SSL *s, int *ad, void *arg)
416{
417 tlsextctx *p = (tlsextctx *) arg;
418 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
419
420 if (servername != NULL && p->biodebug != NULL) {
421 const char *cp = servername;
422 unsigned char uc;
423
424 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
425 while ((uc = *cp++) != 0)
426 BIO_printf(p->biodebug,
427 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
428 BIO_printf(p->biodebug, "\"\n");
429 }
430
431 if (p->servername == NULL)
432 return SSL_TLSEXT_ERR_NOACK;
433
434 if (servername != NULL) {
435 if (strcasecmp(servername, p->servername))
436 return p->extension_error;
437 if (ctx2 != NULL) {
438 BIO_printf(p->biodebug, "Switching server context.\n");
439 SSL_set_SSL_CTX(s, ctx2);
440 }
441 }
442 return SSL_TLSEXT_ERR_OK;
443}
444
445/* Structure passed to cert status callback */
446typedef struct tlsextstatusctx_st {
447 int timeout;
448 /* File to load OCSP Response from (or NULL if no file) */
449 char *respin;
450 /* Default responder to use */
451 char *host, *path, *port;
452 char *proxy, *no_proxy;
453 int use_ssl;
454 int verbose;
455} tlsextstatusctx;
456
457static tlsextstatusctx tlscstatp = { -1 };
458
459#ifndef OPENSSL_NO_OCSP
460
461/*
462 * Helper function to get an OCSP_RESPONSE from a responder. This is a
463 * simplified version. It examines certificates each time and makes one OCSP
464 * responder query for each request. A full version would store details such as
465 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
466 * them until they were considered "expired".
467 */
468static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
469 OCSP_RESPONSE **resp)
470{
471 char *host = NULL, *port = NULL, *path = NULL;
472 char *proxy = NULL, *no_proxy = NULL;
473 int use_ssl;
474 STACK_OF(OPENSSL_STRING) *aia = NULL;
475 X509 *x = NULL;
476 X509_STORE_CTX *inctx = NULL;
477 X509_OBJECT *obj;
478 OCSP_REQUEST *req = NULL;
479 OCSP_CERTID *id = NULL;
480 STACK_OF(X509_EXTENSION) *exts;
481 int ret = SSL_TLSEXT_ERR_NOACK;
482 int i;
483
484 /* Build up OCSP query from server certificate */
485 x = SSL_get_certificate(s);
486 aia = X509_get1_ocsp(x);
487 if (aia != NULL) {
488 if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0), &use_ssl,
489 NULL, &host, &port, NULL, &path, NULL, NULL)) {
490 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
491 goto err;
492 }
493 if (srctx->verbose)
494 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
495 sk_OPENSSL_STRING_value(aia, 0));
496 } else {
497 if (srctx->host == NULL) {
498 BIO_puts(bio_err,
499 "cert_status: no AIA and no default responder URL\n");
500 goto done;
501 }
502 host = srctx->host;
503 path = srctx->path;
504 port = srctx->port;
505 use_ssl = srctx->use_ssl;
506 }
507 proxy = srctx->proxy;
508 no_proxy = srctx->no_proxy;
509
510 inctx = X509_STORE_CTX_new();
511 if (inctx == NULL)
512 goto err;
513 if (!X509_STORE_CTX_init(inctx,
514 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
515 NULL, NULL))
516 goto err;
517 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
518 X509_get_issuer_name(x));
519 if (obj == NULL) {
520 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
521 goto done;
522 }
523 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
524 X509_OBJECT_free(obj);
525 if (id == NULL)
526 goto err;
527 req = OCSP_REQUEST_new();
528 if (req == NULL)
529 goto err;
530 if (!OCSP_request_add0_id(req, id))
531 goto err;
532 id = NULL;
533 /* Add any extensions to the request */
534 SSL_get_tlsext_status_exts(s, &exts);
535 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
536 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
537 if (!OCSP_REQUEST_add_ext(req, ext, -1))
538 goto err;
539 }
540 *resp = process_responder(req, host, port, path, proxy, no_proxy,
541 use_ssl, NULL /* headers */, srctx->timeout);
542 if (*resp == NULL) {
543 BIO_puts(bio_err, "cert_status: error querying responder\n");
544 goto done;
545 }
546
547 ret = SSL_TLSEXT_ERR_OK;
548 goto done;
549
550 err:
551 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
552 done:
553 /*
554 * If we parsed aia we need to free; otherwise they were copied and we
555 * don't
556 */
557 if (aia != NULL) {
558 OPENSSL_free(host);
559 OPENSSL_free(path);
560 OPENSSL_free(port);
561 X509_email_free(aia);
562 }
563 OCSP_CERTID_free(id);
564 OCSP_REQUEST_free(req);
565 X509_STORE_CTX_free(inctx);
566 return ret;
567}
568
569/*
570 * Certificate Status callback. This is called when a client includes a
571 * certificate status request extension. The response is either obtained from a
572 * file, or from an OCSP responder.
573 */
574static int cert_status_cb(SSL *s, void *arg)
575{
576 tlsextstatusctx *srctx = arg;
577 OCSP_RESPONSE *resp = NULL;
578 unsigned char *rspder = NULL;
579 int rspderlen;
580 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
581
582 if (srctx->verbose)
583 BIO_puts(bio_err, "cert_status: callback called\n");
584
585 if (srctx->respin != NULL) {
586 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
587 if (derbio == NULL) {
588 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
589 goto err;
590 }
591 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
592 BIO_free(derbio);
593 if (resp == NULL) {
594 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
595 goto err;
596 }
597 } else {
598 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
599 if (ret != SSL_TLSEXT_ERR_OK)
600 goto err;
601 }
602
603 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
604 if (rspderlen <= 0)
605 goto err;
606
607 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
608 if (srctx->verbose) {
609 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
610 OCSP_RESPONSE_print(bio_err, resp, 2);
611 }
612
613 ret = SSL_TLSEXT_ERR_OK;
614
615 err:
616 if (ret != SSL_TLSEXT_ERR_OK)
617 ERR_print_errors(bio_err);
618
619 OCSP_RESPONSE_free(resp);
620
621 return ret;
622}
623#endif
624
625#ifndef OPENSSL_NO_NEXTPROTONEG
626/* This is the context that we pass to next_proto_cb */
627typedef struct tlsextnextprotoctx_st {
628 unsigned char *data;
629 size_t len;
630} tlsextnextprotoctx;
631
632static int next_proto_cb(SSL *s, const unsigned char **data,
633 unsigned int *len, void *arg)
634{
635 tlsextnextprotoctx *next_proto = arg;
636
637 *data = next_proto->data;
638 *len = next_proto->len;
639
640 return SSL_TLSEXT_ERR_OK;
641}
642#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
643
644/* This the context that we pass to alpn_cb */
645typedef struct tlsextalpnctx_st {
646 unsigned char *data;
647 size_t len;
648} tlsextalpnctx;
649
650static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
651 const unsigned char *in, unsigned int inlen, void *arg)
652{
653 tlsextalpnctx *alpn_ctx = arg;
654
655 if (!s_quiet) {
656 /* We can assume that |in| is syntactically valid. */
657 unsigned int i;
658 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
659 for (i = 0; i < inlen;) {
660 if (i)
661 BIO_write(bio_s_out, ", ", 2);
662 BIO_write(bio_s_out, &in[i + 1], in[i]);
663 i += in[i] + 1;
664 }
665 BIO_write(bio_s_out, "\n", 1);
666 }
667
668 if (SSL_select_next_proto
669 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
670 inlen) != OPENSSL_NPN_NEGOTIATED) {
671 return SSL_TLSEXT_ERR_ALERT_FATAL;
672 }
673
674 if (!s_quiet) {
675 BIO_printf(bio_s_out, "ALPN protocols selected: ");
676 BIO_write(bio_s_out, *out, *outlen);
677 BIO_write(bio_s_out, "\n", 1);
678 }
679
680 return SSL_TLSEXT_ERR_OK;
681}
682
683static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
684{
685 /* disable resumption for sessions with forward secure ciphers */
686 return is_forward_secure;
687}
688
689typedef enum OPTION_choice {
690 OPT_COMMON,
691 OPT_ENGINE,
692 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
693 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
694 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
695 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
696 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
697 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
698 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
699 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
700 OPT_VERIFYCAFILE,
701 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
702 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
703 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
704 OPT_STATUS_TIMEOUT, OPT_PROXY, OPT_NO_PROXY, OPT_STATUS_URL,
705 OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
706 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
707 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
708 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
709 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
710 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
711 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
712 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
713 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
714 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
715 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE,
716 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
717 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
718 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
719 OPT_HTTP_SERVER_BINMODE, OPT_NOCANAMES, OPT_IGNORE_UNEXPECTED_EOF,
720 OPT_R_ENUM,
721 OPT_S_ENUM,
722 OPT_V_ENUM,
723 OPT_X_ENUM,
724 OPT_PROV_ENUM
725} OPTION_CHOICE;
726
727const OPTIONS s_server_options[] = {
728 OPT_SECTION("General"),
729 {"help", OPT_HELP, '-', "Display this summary"},
730 {"ssl_config", OPT_SSL_CONFIG, 's',
731 "Configure SSL_CTX using the given configuration value"},
732#ifndef OPENSSL_NO_SSL_TRACE
733 {"trace", OPT_TRACE, '-', "trace protocol messages"},
734#endif
735#ifndef OPENSSL_NO_ENGINE
736 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
737#endif
738
739 OPT_SECTION("Network"),
740 {"port", OPT_PORT, 'p',
741 "TCP/IP port to listen on for connections (default is " PORT ")"},
742 {"accept", OPT_ACCEPT, 's',
743 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
744#ifdef AF_UNIX
745 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
746 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
747#endif
748 {"4", OPT_4, '-', "Use IPv4 only"},
749 {"6", OPT_6, '-', "Use IPv6 only"},
750
751 OPT_SECTION("Identity"),
752 {"context", OPT_CONTEXT, 's', "Set session ID context"},
753 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
754 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
755 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
756 {"no-CAfile", OPT_NOCAFILE, '-',
757 "Do not load the default certificates file"},
758 {"no-CApath", OPT_NOCAPATH, '-',
759 "Do not load certificates from the default certificates directory"},
760 {"no-CAstore", OPT_NOCASTORE, '-',
761 "Do not load certificates from the default certificates store URI"},
762 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
763 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
764 {"Verify", OPT_UPPER_V_VERIFY, 'n',
765 "Turn on peer certificate verification, must have a cert"},
766 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
767 {"cert", OPT_CERT, '<', "Server certificate file to use; default " TEST_CERT},
768 {"cert2", OPT_CERT2, '<',
769 "Certificate file to use for servername; default " TEST_CERT2},
770 {"certform", OPT_CERTFORM, 'F',
771 "Server certificate file format (PEM/DER/P12); has no effect"},
772 {"cert_chain", OPT_CERT_CHAIN, '<',
773 "Server certificate chain file in PEM format"},
774 {"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"},
775 {"serverinfo", OPT_SERVERINFO, 's',
776 "PEM serverinfo file for certificate"},
777 {"key", OPT_KEY, 's',
778 "Private key file to use; default is -cert file or else" TEST_CERT},
779 {"key2", OPT_KEY2, '<',
780 "-Private Key file to use for servername if not in -cert2"},
781 {"keyform", OPT_KEYFORM, 'f', "Key format (ENGINE, other values ignored)"},
782 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
783 {"dcert", OPT_DCERT, '<',
784 "Second server certificate file to use (usually for DSA)"},
785 {"dcertform", OPT_DCERTFORM, 'F',
786 "Second server certificate file format (PEM/DER/P12); has no effect"},
787 {"dcert_chain", OPT_DCERT_CHAIN, '<',
788 "second server certificate chain file in PEM format"},
789 {"dkey", OPT_DKEY, '<',
790 "Second private key file to use (usually for DSA)"},
791 {"dkeyform", OPT_DKEYFORM, 'F',
792 "Second key file format (ENGINE, other values ignored)"},
793 {"dpass", OPT_DPASS, 's',
794 "Second private key and cert file pass phrase source"},
795 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
796 {"servername", OPT_SERVERNAME, 's',
797 "Servername for HostName TLS extension"},
798 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
799 "On servername mismatch send fatal alert (default warning alert)"},
800 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
801 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
802 {"quiet", OPT_QUIET, '-', "No server output"},
803 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
804 "Disable caching and tickets if ephemeral (EC)DH is used"},
805 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
806 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
807 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
808 "Do not treat lack of close_notify from a peer as an error"},
809 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
810 "Hex dump of all TLS extensions received"},
811 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
812 {"id_prefix", OPT_ID_PREFIX, 's',
813 "Generate SSL/TLS session IDs prefixed by arg"},
814 {"keymatexport", OPT_KEYMATEXPORT, 's',
815 "Export keying material using label"},
816 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
817 "Export len bytes of keying material; default 20"},
818 {"CRL", OPT_CRL, '<', "CRL file to use"},
819 {"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"},
820 {"crl_download", OPT_CRL_DOWNLOAD, '-',
821 "Download CRLs from distribution points in certificate CDP entries"},
822 {"chainCAfile", OPT_CHAINCAFILE, '<',
823 "CA file for certificate chain (PEM format)"},
824 {"chainCApath", OPT_CHAINCAPATH, '/',
825 "use dir as certificate store path to build CA certificate chain"},
826 {"chainCAstore", OPT_CHAINCASTORE, ':',
827 "use URI as certificate store to build CA certificate chain"},
828 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
829 "CA file for certificate verification (PEM format)"},
830 {"verifyCApath", OPT_VERIFYCAPATH, '/',
831 "use dir as certificate store path to verify CA certificate"},
832 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
833 "use URI as certificate store to verify CA certificate"},
834 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
835 {"ext_cache", OPT_EXT_CACHE, '-',
836 "Disable internal cache, set up and use external cache"},
837 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
838 "Close connection on verification error"},
839 {"verify_quiet", OPT_VERIFY_QUIET, '-',
840 "No verify output except verify errors"},
841 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input EOF (default when -quiet)"},
842 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input EOF"},
843
844#ifndef OPENSSL_NO_OCSP
845 OPT_SECTION("OCSP"),
846 {"status", OPT_STATUS, '-', "Request certificate status from server"},
847 {"status_verbose", OPT_STATUS_VERBOSE, '-',
848 "Print more output in certificate status callback"},
849 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
850 "Status request responder timeout"},
851 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
852 {"proxy", OPT_PROXY, 's',
853 "[http[s]://]host[:port][/path] of HTTP(S) proxy to use; path is ignored"},
854 {"no_proxy", OPT_NO_PROXY, 's',
855 "List of addresses of servers not to use HTTP(S) proxy for"},
856 {OPT_MORE_STR, 0, 0,
857 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
858 {"status_file", OPT_STATUS_FILE, '<',
859 "File containing DER encoded OCSP Response"},
860#endif
861
862 OPT_SECTION("Debug"),
863 {"security_debug", OPT_SECURITY_DEBUG, '-',
864 "Print output from SSL/TLS security framework"},
865 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
866 "Print more output from SSL/TLS security framework"},
867 {"brief", OPT_BRIEF, '-',
868 "Restrict output to brief summary of connection parameters"},
869 {"rev", OPT_REV, '-',
870 "act as an echo server that sends back received text reversed"},
871 {"debug", OPT_DEBUG, '-', "Print more output"},
872 {"msg", OPT_MSG, '-', "Show protocol messages"},
873 {"msgfile", OPT_MSGFILE, '>',
874 "File to send output of -msg or -trace, instead of stdout"},
875 {"state", OPT_STATE, '-', "Print the SSL states"},
876 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
877 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
878 "Maximum number of encrypt/decrypt pipelines to be used"},
879 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
880 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
881
882 OPT_SECTION("Network"),
883 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
884 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
885 {"mtu", OPT_MTU, 'p', "Set link-layer MTU"},
886 {"read_buf", OPT_READ_BUF, 'p',
887 "Default read buffer size to be used for connections"},
888 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
889 "Size used to split data for encrypt pipelines"},
890 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
891
892 OPT_SECTION("Server identity"),
893 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
894#ifndef OPENSSL_NO_PSK
895 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
896#endif
897 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
898 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
899#ifndef OPENSSL_NO_SRP
900 {"srpvfile", OPT_SRPVFILE, '<', "(deprecated) The verifier file for SRP"},
901 {"srpuserseed", OPT_SRPUSERSEED, 's',
902 "(deprecated) A seed string for a default user salt"},
903#endif
904
905 OPT_SECTION("Protocol and version"),
906 {"max_early_data", OPT_MAX_EARLY, 'n',
907 "The maximum number of bytes of early data as advertised in tickets"},
908 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
909 "The maximum number of bytes of early data (hard limit)"},
910 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
911 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
912 "The number of TLSv1.3 session tickets that a server will automatically issue" },
913 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
914 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
915 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
916 {"no_ca_names", OPT_NOCANAMES, '-',
917 "Disable TLS Extension CA Names"},
918 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
919#ifndef OPENSSL_NO_SSL3
920 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
921#endif
922#ifndef OPENSSL_NO_TLS1
923 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
924#endif
925#ifndef OPENSSL_NO_TLS1_1
926 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
927#endif
928#ifndef OPENSSL_NO_TLS1_2
929 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
930#endif
931#ifndef OPENSSL_NO_TLS1_3
932 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
933#endif
934#ifndef OPENSSL_NO_DTLS
935 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
936 {"listen", OPT_LISTEN, '-',
937 "Listen for a DTLS ClientHello with a cookie and then connect"},
938#endif
939#ifndef OPENSSL_NO_DTLS1
940 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
941#endif
942#ifndef OPENSSL_NO_DTLS1_2
943 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
944#endif
945#ifndef OPENSSL_NO_SCTP
946 {"sctp", OPT_SCTP, '-', "Use SCTP"},
947 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
948#endif
949#ifndef OPENSSL_NO_SRTP
950 {"use_srtp", OPT_SRTP_PROFILES, 's',
951 "Offer SRTP key management with a colon-separated profile list"},
952#endif
953 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
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 {"alpn", OPT_ALPN, 's',
959 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
960#ifndef OPENSSL_NO_KTLS
961 {"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"},
962#endif
963
964 OPT_R_OPTIONS,
965 OPT_S_OPTIONS,
966 OPT_V_OPTIONS,
967 OPT_X_OPTIONS,
968 OPT_PROV_OPTIONS,
969 {NULL}
970};
971
972#define IS_PROT_FLAG(o) \
973 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
974 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
975
976int s_server_main(int argc, char *argv[])
977{
978 ENGINE *engine = NULL;
979 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
980 SSL_CONF_CTX *cctx = NULL;
981 const SSL_METHOD *meth = TLS_server_method();
982 SSL_EXCERT *exc = NULL;
983 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
984 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
985 STACK_OF(X509_CRL) *crls = NULL;
986 X509 *s_cert = NULL, *s_dcert = NULL;
987 X509_VERIFY_PARAM *vpm = NULL;
988 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
989 const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
990 char *dpassarg = NULL, *dpass = NULL;
991 char *passarg = NULL, *pass = NULL;
992 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
993 char *crl_file = NULL, *prog;
994#ifdef AF_UNIX
995 int unlink_unix_path = 0;
996#endif
997 do_server_cb server_cb;
998 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
999 char *dhfile = NULL;
1000 int no_dhe = 0;
1001 int nocert = 0, ret = 1;
1002 int noCApath = 0, noCAfile = 0, noCAstore = 0;
1003 int s_cert_format = FORMAT_UNDEF, s_key_format = FORMAT_UNDEF;
1004 int s_dcert_format = FORMAT_UNDEF, s_dkey_format = FORMAT_UNDEF;
1005 int rev = 0, naccept = -1, sdebug = 0;
1006 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
1007 int state = 0, crl_format = FORMAT_UNDEF, crl_download = 0;
1008 char *host = NULL;
1009 char *port = OPENSSL_strdup(PORT);
1010 unsigned char *context = NULL;
1011 OPTION_CHOICE o;
1012 EVP_PKEY *s_key2 = NULL;
1013 X509 *s_cert2 = NULL;
1014 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
1015 const char *ssl_config = NULL;
1016 int read_buf_len = 0;
1017#ifndef OPENSSL_NO_NEXTPROTONEG
1018 const char *next_proto_neg_in = NULL;
1019 tlsextnextprotoctx next_proto = { NULL, 0 };
1020#endif
1021 const char *alpn_in = NULL;
1022 tlsextalpnctx alpn_ctx = { NULL, 0 };
1023#ifndef OPENSSL_NO_PSK
1024 /* by default do not send a PSK identity hint */
1025 char *psk_identity_hint = NULL;
1026#endif
1027 char *p;
1028#ifndef OPENSSL_NO_SRP
1029 char *srpuserseed = NULL;
1030 char *srp_verifier_file = NULL;
1031#endif
1032#ifndef OPENSSL_NO_SRTP
1033 char *srtp_profiles = NULL;
1034#endif
1035 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
1036 int s_server_verify = SSL_VERIFY_NONE;
1037 int s_server_session_id_context = 1; /* anything will do */
1038 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1039 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1040 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
1041#ifndef OPENSSL_NO_OCSP
1042 int s_tlsextstatus = 0;
1043#endif
1044 int no_resume_ephemeral = 0;
1045 unsigned int max_send_fragment = 0;
1046 unsigned int split_send_fragment = 0, max_pipelines = 0;
1047 const char *s_serverinfo_file = NULL;
1048 const char *keylog_file = NULL;
1049 int max_early_data = -1, recv_max_early_data = -1;
1050 char *psksessf = NULL;
1051 int no_ca_names = 0;
1052#ifndef OPENSSL_NO_SCTP
1053 int sctp_label_bug = 0;
1054#endif
1055 int ignore_unexpected_eof = 0;
1056
1057 /* Init of few remaining global variables */
1058 local_argc = argc;
1059 local_argv = argv;
1060
1061 ctx = ctx2 = NULL;
1062 s_nbio = s_nbio_test = 0;
1063 www = 0;
1064 bio_s_out = NULL;
1065 s_debug = 0;
1066 s_msg = 0;
1067 s_quiet = 0;
1068 s_brief = 0;
1069 async = 0;
1070 use_sendfile = 0;
1071
1072 cctx = SSL_CONF_CTX_new();
1073 vpm = X509_VERIFY_PARAM_new();
1074 if (cctx == NULL || vpm == NULL)
1075 goto end;
1076 SSL_CONF_CTX_set_flags(cctx,
1077 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
1078
1079 prog = opt_init(argc, argv, s_server_options);
1080 while ((o = opt_next()) != OPT_EOF) {
1081 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1082 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1083 goto end;
1084 }
1085 if (IS_NO_PROT_FLAG(o))
1086 no_prot_opt++;
1087 if (prot_opt == 1 && no_prot_opt) {
1088 BIO_printf(bio_err,
1089 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1090 goto end;
1091 }
1092 switch (o) {
1093 case OPT_EOF:
1094 case OPT_ERR:
1095 opthelp:
1096 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1097 goto end;
1098 case OPT_HELP:
1099 opt_help(s_server_options);
1100 ret = 0;
1101 goto end;
1102
1103 case OPT_4:
1104#ifdef AF_UNIX
1105 if (socket_family == AF_UNIX) {
1106 OPENSSL_free(host); host = NULL;
1107 OPENSSL_free(port); port = NULL;
1108 }
1109#endif
1110 socket_family = AF_INET;
1111 break;
1112 case OPT_6:
1113 if (1) {
1114#ifdef AF_INET6
1115#ifdef AF_UNIX
1116 if (socket_family == AF_UNIX) {
1117 OPENSSL_free(host); host = NULL;
1118 OPENSSL_free(port); port = NULL;
1119 }
1120#endif
1121 socket_family = AF_INET6;
1122 } else {
1123#endif
1124 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1125 goto end;
1126 }
1127 break;
1128 case OPT_PORT:
1129#ifdef AF_UNIX
1130 if (socket_family == AF_UNIX) {
1131 socket_family = AF_UNSPEC;
1132 }
1133#endif
1134 OPENSSL_free(port); port = NULL;
1135 OPENSSL_free(host); host = NULL;
1136 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1137 BIO_printf(bio_err,
1138 "%s: -port argument malformed or ambiguous\n",
1139 port);
1140 goto end;
1141 }
1142 break;
1143 case OPT_ACCEPT:
1144#ifdef AF_UNIX
1145 if (socket_family == AF_UNIX) {
1146 socket_family = AF_UNSPEC;
1147 }
1148#endif
1149 OPENSSL_free(port); port = NULL;
1150 OPENSSL_free(host); host = NULL;
1151 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1152 BIO_printf(bio_err,
1153 "%s: -accept argument malformed or ambiguous\n",
1154 port);
1155 goto end;
1156 }
1157 break;
1158#ifdef AF_UNIX
1159 case OPT_UNIX:
1160 socket_family = AF_UNIX;
1161 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
1162 OPENSSL_free(port); port = NULL;
1163 break;
1164 case OPT_UNLINK:
1165 unlink_unix_path = 1;
1166 break;
1167#endif
1168 case OPT_NACCEPT:
1169 naccept = atol(opt_arg());
1170 break;
1171 case OPT_VERIFY:
1172 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1173 verify_args.depth = atoi(opt_arg());
1174 if (!s_quiet)
1175 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1176 break;
1177 case OPT_UPPER_V_VERIFY:
1178 s_server_verify =
1179 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1180 SSL_VERIFY_CLIENT_ONCE;
1181 verify_args.depth = atoi(opt_arg());
1182 if (!s_quiet)
1183 BIO_printf(bio_err,
1184 "verify depth is %d, must return a certificate\n",
1185 verify_args.depth);
1186 break;
1187 case OPT_CONTEXT:
1188 context = (unsigned char *)opt_arg();
1189 break;
1190 case OPT_CERT:
1191 s_cert_file = opt_arg();
1192 break;
1193 case OPT_NAMEOPT:
1194 if (!set_nameopt(opt_arg()))
1195 goto end;
1196 break;
1197 case OPT_CRL:
1198 crl_file = opt_arg();
1199 break;
1200 case OPT_CRL_DOWNLOAD:
1201 crl_download = 1;
1202 break;
1203 case OPT_SERVERINFO:
1204 s_serverinfo_file = opt_arg();
1205 break;
1206 case OPT_CERTFORM:
1207 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_cert_format))
1208 goto opthelp;
1209 break;
1210 case OPT_KEY:
1211 s_key_file = opt_arg();
1212 break;
1213 case OPT_KEYFORM:
1214 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1215 goto opthelp;
1216 break;
1217 case OPT_PASS:
1218 passarg = opt_arg();
1219 break;
1220 case OPT_CERT_CHAIN:
1221 s_chain_file = opt_arg();
1222 break;
1223 case OPT_DHPARAM:
1224 dhfile = opt_arg();
1225 break;
1226 case OPT_DCERTFORM:
1227 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dcert_format))
1228 goto opthelp;
1229 break;
1230 case OPT_DCERT:
1231 s_dcert_file = opt_arg();
1232 break;
1233 case OPT_DKEYFORM:
1234 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dkey_format))
1235 goto opthelp;
1236 break;
1237 case OPT_DPASS:
1238 dpassarg = opt_arg();
1239 break;
1240 case OPT_DKEY:
1241 s_dkey_file = opt_arg();
1242 break;
1243 case OPT_DCERT_CHAIN:
1244 s_dchain_file = opt_arg();
1245 break;
1246 case OPT_NOCERT:
1247 nocert = 1;
1248 break;
1249 case OPT_CAPATH:
1250 CApath = opt_arg();
1251 break;
1252 case OPT_NOCAPATH:
1253 noCApath = 1;
1254 break;
1255 case OPT_CHAINCAPATH:
1256 chCApath = opt_arg();
1257 break;
1258 case OPT_VERIFYCAPATH:
1259 vfyCApath = opt_arg();
1260 break;
1261 case OPT_CASTORE:
1262 CAstore = opt_arg();
1263 break;
1264 case OPT_NOCASTORE:
1265 noCAstore = 1;
1266 break;
1267 case OPT_CHAINCASTORE:
1268 chCAstore = opt_arg();
1269 break;
1270 case OPT_VERIFYCASTORE:
1271 vfyCAstore = opt_arg();
1272 break;
1273 case OPT_NO_CACHE:
1274 no_cache = 1;
1275 break;
1276 case OPT_EXT_CACHE:
1277 ext_cache = 1;
1278 break;
1279 case OPT_CRLFORM:
1280 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1281 goto opthelp;
1282 break;
1283 case OPT_S_CASES:
1284 case OPT_S_NUM_TICKETS:
1285 case OPT_ANTI_REPLAY:
1286 case OPT_NO_ANTI_REPLAY:
1287 if (ssl_args == NULL)
1288 ssl_args = sk_OPENSSL_STRING_new_null();
1289 if (ssl_args == NULL
1290 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1291 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1292 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1293 goto end;
1294 }
1295 break;
1296 case OPT_V_CASES:
1297 if (!opt_verify(o, vpm))
1298 goto end;
1299 vpmtouched++;
1300 break;
1301 case OPT_X_CASES:
1302 if (!args_excert(o, &exc))
1303 goto end;
1304 break;
1305 case OPT_VERIFY_RET_ERROR:
1306 verify_args.return_error = 1;
1307 break;
1308 case OPT_VERIFY_QUIET:
1309 verify_args.quiet = 1;
1310 break;
1311 case OPT_BUILD_CHAIN:
1312 build_chain = 1;
1313 break;
1314 case OPT_CAFILE:
1315 CAfile = opt_arg();
1316 break;
1317 case OPT_NOCAFILE:
1318 noCAfile = 1;
1319 break;
1320 case OPT_CHAINCAFILE:
1321 chCAfile = opt_arg();
1322 break;
1323 case OPT_VERIFYCAFILE:
1324 vfyCAfile = opt_arg();
1325 break;
1326 case OPT_NBIO:
1327 s_nbio = 1;
1328 break;
1329 case OPT_NBIO_TEST:
1330 s_nbio = s_nbio_test = 1;
1331 break;
1332 case OPT_IGN_EOF:
1333 s_ign_eof = 1;
1334 break;
1335 case OPT_NO_IGN_EOF:
1336 s_ign_eof = 0;
1337 break;
1338 case OPT_DEBUG:
1339 s_debug = 1;
1340 break;
1341 case OPT_TLSEXTDEBUG:
1342 s_tlsextdebug = 1;
1343 break;
1344 case OPT_STATUS:
1345#ifndef OPENSSL_NO_OCSP
1346 s_tlsextstatus = 1;
1347#endif
1348 break;
1349 case OPT_STATUS_VERBOSE:
1350#ifndef OPENSSL_NO_OCSP
1351 s_tlsextstatus = tlscstatp.verbose = 1;
1352#endif
1353 break;
1354 case OPT_STATUS_TIMEOUT:
1355#ifndef OPENSSL_NO_OCSP
1356 s_tlsextstatus = 1;
1357 tlscstatp.timeout = atoi(opt_arg());
1358#endif
1359 break;
1360 case OPT_PROXY:
1361#ifndef OPENSSL_NO_OCSP
1362 tlscstatp.proxy = opt_arg();
1363#endif
1364 break;
1365 case OPT_NO_PROXY:
1366#ifndef OPENSSL_NO_OCSP
1367 tlscstatp.no_proxy = opt_arg();
1368#endif
1369 break;
1370 case OPT_STATUS_URL:
1371#ifndef OPENSSL_NO_OCSP
1372 s_tlsextstatus = 1;
1373 if (!OSSL_HTTP_parse_url(opt_arg(), &tlscstatp.use_ssl, NULL,
1374 &tlscstatp.host, &tlscstatp.port, NULL,
1375 &tlscstatp.path, NULL, NULL)) {
1376 BIO_printf(bio_err, "Error parsing -status_url argument\n");
1377 goto end;
1378 }
1379#endif
1380 break;
1381 case OPT_STATUS_FILE:
1382#ifndef OPENSSL_NO_OCSP
1383 s_tlsextstatus = 1;
1384 tlscstatp.respin = opt_arg();
1385#endif
1386 break;
1387 case OPT_MSG:
1388 s_msg = 1;
1389 break;
1390 case OPT_MSGFILE:
1391 bio_s_msg = BIO_new_file(opt_arg(), "w");
1392 break;
1393 case OPT_TRACE:
1394#ifndef OPENSSL_NO_SSL_TRACE
1395 s_msg = 2;
1396#endif
1397 break;
1398 case OPT_SECURITY_DEBUG:
1399 sdebug = 1;
1400 break;
1401 case OPT_SECURITY_DEBUG_VERBOSE:
1402 sdebug = 2;
1403 break;
1404 case OPT_STATE:
1405 state = 1;
1406 break;
1407 case OPT_CRLF:
1408 s_crlf = 1;
1409 break;
1410 case OPT_QUIET:
1411 s_quiet = 1;
1412 break;
1413 case OPT_BRIEF:
1414 s_quiet = s_brief = verify_args.quiet = 1;
1415 break;
1416 case OPT_NO_DHE:
1417 no_dhe = 1;
1418 break;
1419 case OPT_NO_RESUME_EPHEMERAL:
1420 no_resume_ephemeral = 1;
1421 break;
1422 case OPT_PSK_IDENTITY:
1423 psk_identity = opt_arg();
1424 break;
1425 case OPT_PSK_HINT:
1426#ifndef OPENSSL_NO_PSK
1427 psk_identity_hint = opt_arg();
1428#endif
1429 break;
1430 case OPT_PSK:
1431 for (p = psk_key = opt_arg(); *p; p++) {
1432 if (isxdigit(_UC(*p)))
1433 continue;
1434 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1435 goto end;
1436 }
1437 break;
1438 case OPT_PSK_SESS:
1439 psksessf = opt_arg();
1440 break;
1441 case OPT_SRPVFILE:
1442#ifndef OPENSSL_NO_SRP
1443 srp_verifier_file = opt_arg();
1444 if (min_version < TLS1_VERSION)
1445 min_version = TLS1_VERSION;
1446#endif
1447 break;
1448 case OPT_SRPUSERSEED:
1449#ifndef OPENSSL_NO_SRP
1450 srpuserseed = opt_arg();
1451 if (min_version < TLS1_VERSION)
1452 min_version = TLS1_VERSION;
1453#endif
1454 break;
1455 case OPT_REV:
1456 rev = 1;
1457 break;
1458 case OPT_WWW:
1459 www = 1;
1460 break;
1461 case OPT_UPPER_WWW:
1462 www = 2;
1463 break;
1464 case OPT_HTTP:
1465 www = 3;
1466 break;
1467 case OPT_SSL_CONFIG:
1468 ssl_config = opt_arg();
1469 break;
1470 case OPT_SSL3:
1471 min_version = SSL3_VERSION;
1472 max_version = SSL3_VERSION;
1473 break;
1474 case OPT_TLS1_3:
1475 min_version = TLS1_3_VERSION;
1476 max_version = TLS1_3_VERSION;
1477 break;
1478 case OPT_TLS1_2:
1479 min_version = TLS1_2_VERSION;
1480 max_version = TLS1_2_VERSION;
1481 break;
1482 case OPT_TLS1_1:
1483 min_version = TLS1_1_VERSION;
1484 max_version = TLS1_1_VERSION;
1485 break;
1486 case OPT_TLS1:
1487 min_version = TLS1_VERSION;
1488 max_version = TLS1_VERSION;
1489 break;
1490 case OPT_DTLS:
1491#ifndef OPENSSL_NO_DTLS
1492 meth = DTLS_server_method();
1493 socket_type = SOCK_DGRAM;
1494#endif
1495 break;
1496 case OPT_DTLS1:
1497#ifndef OPENSSL_NO_DTLS
1498 meth = DTLS_server_method();
1499 min_version = DTLS1_VERSION;
1500 max_version = DTLS1_VERSION;
1501 socket_type = SOCK_DGRAM;
1502#endif
1503 break;
1504 case OPT_DTLS1_2:
1505#ifndef OPENSSL_NO_DTLS
1506 meth = DTLS_server_method();
1507 min_version = DTLS1_2_VERSION;
1508 max_version = DTLS1_2_VERSION;
1509 socket_type = SOCK_DGRAM;
1510#endif
1511 break;
1512 case OPT_SCTP:
1513#ifndef OPENSSL_NO_SCTP
1514 protocol = IPPROTO_SCTP;
1515#endif
1516 break;
1517 case OPT_SCTP_LABEL_BUG:
1518#ifndef OPENSSL_NO_SCTP
1519 sctp_label_bug = 1;
1520#endif
1521 break;
1522 case OPT_TIMEOUT:
1523#ifndef OPENSSL_NO_DTLS
1524 enable_timeouts = 1;
1525#endif
1526 break;
1527 case OPT_MTU:
1528#ifndef OPENSSL_NO_DTLS
1529 socket_mtu = atol(opt_arg());
1530#endif
1531 break;
1532 case OPT_LISTEN:
1533#ifndef OPENSSL_NO_DTLS
1534 dtlslisten = 1;
1535#endif
1536 break;
1537 case OPT_STATELESS:
1538 stateless = 1;
1539 break;
1540 case OPT_ID_PREFIX:
1541 session_id_prefix = opt_arg();
1542 break;
1543 case OPT_ENGINE:
1544#ifndef OPENSSL_NO_ENGINE
1545 engine = setup_engine(opt_arg(), s_debug);
1546#endif
1547 break;
1548 case OPT_R_CASES:
1549 if (!opt_rand(o))
1550 goto end;
1551 break;
1552 case OPT_PROV_CASES:
1553 if (!opt_provider(o))
1554 goto end;
1555 break;
1556 case OPT_SERVERNAME:
1557 tlsextcbp.servername = opt_arg();
1558 break;
1559 case OPT_SERVERNAME_FATAL:
1560 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1561 break;
1562 case OPT_CERT2:
1563 s_cert_file2 = opt_arg();
1564 break;
1565 case OPT_KEY2:
1566 s_key_file2 = opt_arg();
1567 break;
1568 case OPT_NEXTPROTONEG:
1569# ifndef OPENSSL_NO_NEXTPROTONEG
1570 next_proto_neg_in = opt_arg();
1571#endif
1572 break;
1573 case OPT_ALPN:
1574 alpn_in = opt_arg();
1575 break;
1576 case OPT_SRTP_PROFILES:
1577#ifndef OPENSSL_NO_SRTP
1578 srtp_profiles = opt_arg();
1579#endif
1580 break;
1581 case OPT_KEYMATEXPORT:
1582 keymatexportlabel = opt_arg();
1583 break;
1584 case OPT_KEYMATEXPORTLEN:
1585 keymatexportlen = atoi(opt_arg());
1586 break;
1587 case OPT_ASYNC:
1588 async = 1;
1589 break;
1590 case OPT_MAX_SEND_FRAG:
1591 max_send_fragment = atoi(opt_arg());
1592 break;
1593 case OPT_SPLIT_SEND_FRAG:
1594 split_send_fragment = atoi(opt_arg());
1595 break;
1596 case OPT_MAX_PIPELINES:
1597 max_pipelines = atoi(opt_arg());
1598 break;
1599 case OPT_READ_BUF:
1600 read_buf_len = atoi(opt_arg());
1601 break;
1602 case OPT_KEYLOG_FILE:
1603 keylog_file = opt_arg();
1604 break;
1605 case OPT_MAX_EARLY:
1606 max_early_data = atoi(opt_arg());
1607 if (max_early_data < 0) {
1608 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1609 goto end;
1610 }
1611 break;
1612 case OPT_RECV_MAX_EARLY:
1613 recv_max_early_data = atoi(opt_arg());
1614 if (recv_max_early_data < 0) {
1615 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1616 goto end;
1617 }
1618 break;
1619 case OPT_EARLY_DATA:
1620 early_data = 1;
1621 if (max_early_data == -1)
1622 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
1623 break;
1624 case OPT_HTTP_SERVER_BINMODE:
1625 http_server_binmode = 1;
1626 break;
1627 case OPT_NOCANAMES:
1628 no_ca_names = 1;
1629 break;
1630 case OPT_SENDFILE:
1631#ifndef OPENSSL_NO_KTLS
1632 use_sendfile = 1;
1633#endif
1634 break;
1635 case OPT_IGNORE_UNEXPECTED_EOF:
1636 ignore_unexpected_eof = 1;
1637 break;
1638 }
1639 }
1640
1641 /* No extra arguments. */
1642 argc = opt_num_rest();
1643 if (argc != 0)
1644 goto opthelp;
1645
1646 if (!app_RAND_load())
1647 goto end;
1648
1649#ifndef OPENSSL_NO_NEXTPROTONEG
1650 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1651 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1652 goto opthelp;
1653 }
1654#endif
1655#ifndef OPENSSL_NO_DTLS
1656 if (www && socket_type == SOCK_DGRAM) {
1657 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1658 goto end;
1659 }
1660
1661 if (dtlslisten && socket_type != SOCK_DGRAM) {
1662 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1663 goto end;
1664 }
1665#endif
1666
1667 if (stateless && socket_type != SOCK_STREAM) {
1668 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1669 goto end;
1670 }
1671
1672#ifdef AF_UNIX
1673 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1674 BIO_printf(bio_err,
1675 "Can't use unix sockets and datagrams together\n");
1676 goto end;
1677 }
1678#endif
1679 if (early_data && (www > 0 || rev)) {
1680 BIO_printf(bio_err,
1681 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1682 goto end;
1683 }
1684
1685#ifndef OPENSSL_NO_SCTP
1686 if (protocol == IPPROTO_SCTP) {
1687 if (socket_type != SOCK_DGRAM) {
1688 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1689 goto end;
1690 }
1691 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1692 socket_type = SOCK_STREAM;
1693 }
1694#endif
1695
1696#ifndef OPENSSL_NO_KTLS
1697 if (use_sendfile && www <= 1) {
1698 BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n");
1699 goto end;
1700 }
1701#endif
1702
1703 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1704 BIO_printf(bio_err, "Error getting password\n");
1705 goto end;
1706 }
1707
1708 if (s_key_file == NULL)
1709 s_key_file = s_cert_file;
1710
1711 if (s_key_file2 == NULL)
1712 s_key_file2 = s_cert_file2;
1713
1714 if (!load_excert(&exc))
1715 goto end;
1716
1717 if (nocert == 0) {
1718 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1719 "server certificate private key");
1720 if (s_key == NULL)
1721 goto end;
1722
1723 s_cert = load_cert_pass(s_cert_file, s_cert_format, 1, pass,
1724 "server certificate");
1725
1726 if (s_cert == NULL)
1727 goto end;
1728 if (s_chain_file != NULL) {
1729 if (!load_certs(s_chain_file, 0, &s_chain, NULL,
1730 "server certificate chain"))
1731 goto end;
1732 }
1733
1734 if (tlsextcbp.servername != NULL) {
1735 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1736 "second server certificate private key");
1737 if (s_key2 == NULL)
1738 goto end;
1739
1740 s_cert2 = load_cert_pass(s_cert_file2, s_cert_format, 1, pass,
1741 "second server certificate");
1742
1743 if (s_cert2 == NULL)
1744 goto end;
1745 }
1746 }
1747#if !defined(OPENSSL_NO_NEXTPROTONEG)
1748 if (next_proto_neg_in) {
1749 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1750 if (next_proto.data == NULL)
1751 goto end;
1752 }
1753#endif
1754 alpn_ctx.data = NULL;
1755 if (alpn_in) {
1756 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
1757 if (alpn_ctx.data == NULL)
1758 goto end;
1759 }
1760
1761 if (crl_file != NULL) {
1762 X509_CRL *crl;
1763 crl = load_crl(crl_file, crl_format, 0, "CRL");
1764 if (crl == NULL)
1765 goto end;
1766 crls = sk_X509_CRL_new_null();
1767 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1768 BIO_puts(bio_err, "Error adding CRL\n");
1769 ERR_print_errors(bio_err);
1770 X509_CRL_free(crl);
1771 goto end;
1772 }
1773 }
1774
1775 if (s_dcert_file != NULL) {
1776
1777 if (s_dkey_file == NULL)
1778 s_dkey_file = s_dcert_file;
1779
1780 s_dkey = load_key(s_dkey_file, s_dkey_format,
1781 0, dpass, engine, "second certificate private key");
1782 if (s_dkey == NULL)
1783 goto end;
1784
1785 s_dcert = load_cert_pass(s_dcert_file, s_dcert_format, 1, dpass,
1786 "second server certificate");
1787
1788 if (s_dcert == NULL) {
1789 ERR_print_errors(bio_err);
1790 goto end;
1791 }
1792 if (s_dchain_file != NULL) {
1793 if (!load_certs(s_dchain_file, 0, &s_dchain, NULL,
1794 "second server certificate chain"))
1795 goto end;
1796 }
1797
1798 }
1799
1800 if (bio_s_out == NULL) {
1801 if (s_quiet && !s_debug) {
1802 bio_s_out = BIO_new(BIO_s_null());
1803 if (s_msg && bio_s_msg == NULL)
1804 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1805 } else {
1806 if (bio_s_out == NULL)
1807 bio_s_out = dup_bio_out(FORMAT_TEXT);
1808 }
1809 }
1810 if (nocert) {
1811 s_cert_file = NULL;
1812 s_key_file = NULL;
1813 s_dcert_file = NULL;
1814 s_dkey_file = NULL;
1815 s_cert_file2 = NULL;
1816 s_key_file2 = NULL;
1817 }
1818
1819 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1820 if (ctx == NULL) {
1821 ERR_print_errors(bio_err);
1822 goto end;
1823 }
1824
1825 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1826
1827 if (sdebug)
1828 ssl_ctx_security_debug(ctx, sdebug);
1829
1830 if (!config_ctx(cctx, ssl_args, ctx))
1831 goto end;
1832
1833 if (ssl_config) {
1834 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1835 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1836 ssl_config);
1837 ERR_print_errors(bio_err);
1838 goto end;
1839 }
1840 }
1841#ifndef OPENSSL_NO_SCTP
1842 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1843 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1844#endif
1845
1846 if (min_version != 0
1847 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1848 goto end;
1849 if (max_version != 0
1850 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1851 goto end;
1852
1853 if (session_id_prefix) {
1854 if (strlen(session_id_prefix) >= 32)
1855 BIO_printf(bio_err,
1856 "warning: id_prefix is too long, only one new session will be possible\n");
1857 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1858 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1859 ERR_print_errors(bio_err);
1860 goto end;
1861 }
1862 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1863 }
1864 if (exc != NULL)
1865 ssl_ctx_set_excert(ctx, exc);
1866
1867 if (state)
1868 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1869 if (no_cache)
1870 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1871 else if (ext_cache)
1872 init_session_cache_ctx(ctx);
1873 else
1874 SSL_CTX_sess_set_cache_size(ctx, 128);
1875
1876 if (async) {
1877 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1878 }
1879
1880 if (no_ca_names) {
1881 SSL_CTX_set_options(ctx, SSL_OP_DISABLE_TLSEXT_CA_NAMES);
1882 }
1883
1884 if (ignore_unexpected_eof)
1885 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1886
1887 if (max_send_fragment > 0
1888 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1889 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1890 prog, max_send_fragment);
1891 goto end;
1892 }
1893
1894 if (split_send_fragment > 0
1895 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1896 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1897 prog, split_send_fragment);
1898 goto end;
1899 }
1900 if (max_pipelines > 0
1901 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1902 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1903 prog, max_pipelines);
1904 goto end;
1905 }
1906
1907 if (read_buf_len > 0) {
1908 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1909 }
1910#ifndef OPENSSL_NO_SRTP
1911 if (srtp_profiles != NULL) {
1912 /* Returns 0 on success! */
1913 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1914 BIO_printf(bio_err, "Error setting SRTP profile\n");
1915 ERR_print_errors(bio_err);
1916 goto end;
1917 }
1918 }
1919#endif
1920
1921 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1922 CAstore, noCAstore)) {
1923 ERR_print_errors(bio_err);
1924 goto end;
1925 }
1926 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1927 BIO_printf(bio_err, "Error setting verify params\n");
1928 ERR_print_errors(bio_err);
1929 goto end;
1930 }
1931
1932 ssl_ctx_add_crls(ctx, crls, 0);
1933
1934 if (!ssl_load_stores(ctx,
1935 vfyCApath, vfyCAfile, vfyCAstore,
1936 chCApath, chCAfile, chCAstore,
1937 crls, crl_download)) {
1938 BIO_printf(bio_err, "Error loading store locations\n");
1939 ERR_print_errors(bio_err);
1940 goto end;
1941 }
1942
1943 if (s_cert2) {
1944 ctx2 = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1945 if (ctx2 == NULL) {
1946 ERR_print_errors(bio_err);
1947 goto end;
1948 }
1949 }
1950
1951 if (ctx2 != NULL) {
1952 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1953
1954 if (sdebug)
1955 ssl_ctx_security_debug(ctx2, sdebug);
1956
1957 if (session_id_prefix) {
1958 if (strlen(session_id_prefix) >= 32)
1959 BIO_printf(bio_err,
1960 "warning: id_prefix is too long, only one new session will be possible\n");
1961 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1962 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1963 ERR_print_errors(bio_err);
1964 goto end;
1965 }
1966 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1967 }
1968 if (exc != NULL)
1969 ssl_ctx_set_excert(ctx2, exc);
1970
1971 if (state)
1972 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1973
1974 if (no_cache)
1975 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1976 else if (ext_cache)
1977 init_session_cache_ctx(ctx2);
1978 else
1979 SSL_CTX_sess_set_cache_size(ctx2, 128);
1980
1981 if (async)
1982 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1983
1984 if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
1985 noCApath, CAstore, noCAstore)) {
1986 ERR_print_errors(bio_err);
1987 goto end;
1988 }
1989 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1990 BIO_printf(bio_err, "Error setting verify params\n");
1991 ERR_print_errors(bio_err);
1992 goto end;
1993 }
1994
1995 ssl_ctx_add_crls(ctx2, crls, 0);
1996 if (!config_ctx(cctx, ssl_args, ctx2))
1997 goto end;
1998 }
1999#ifndef OPENSSL_NO_NEXTPROTONEG
2000 if (next_proto.data)
2001 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
2002 &next_proto);
2003#endif
2004 if (alpn_ctx.data)
2005 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
2006
2007 if (!no_dhe) {
2008 EVP_PKEY *dhpkey = NULL;
2009
2010 if (dhfile != NULL)
2011 dhpkey = load_keyparams(dhfile, FORMAT_UNDEF, 0, "DH", "DH parameters");
2012 else if (s_cert_file != NULL)
2013 dhpkey = load_keyparams_suppress(s_cert_file, FORMAT_UNDEF, 0, "DH",
2014 "DH parameters", 1);
2015
2016 if (dhpkey != NULL) {
2017 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2018 } else {
2019 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
2020 }
2021 (void)BIO_flush(bio_s_out);
2022
2023 if (dhpkey == NULL) {
2024 SSL_CTX_set_dh_auto(ctx, 1);
2025 } else {
2026 /*
2027 * We need 2 references: one for use by ctx and one for use by
2028 * ctx2
2029 */
2030 if (!EVP_PKEY_up_ref(dhpkey)) {
2031 EVP_PKEY_free(dhpkey);
2032 goto end;
2033 }
2034 if (!SSL_CTX_set0_tmp_dh_pkey(ctx, dhpkey)) {
2035 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2036 ERR_print_errors(bio_err);
2037 /* Free 2 references */
2038 EVP_PKEY_free(dhpkey);
2039 EVP_PKEY_free(dhpkey);
2040 goto end;
2041 }
2042 }
2043
2044 if (ctx2 != NULL) {
2045 if (dhfile != NULL) {
2046 EVP_PKEY *dhpkey2 = load_keyparams_suppress(s_cert_file2,
2047 FORMAT_UNDEF,
2048 0, "DH",
2049 "DH parameters", 1);
2050
2051 if (dhpkey2 != NULL) {
2052 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2053 (void)BIO_flush(bio_s_out);
2054
2055 EVP_PKEY_free(dhpkey);
2056 dhpkey = dhpkey2;
2057 }
2058 }
2059 if (dhpkey == NULL) {
2060 SSL_CTX_set_dh_auto(ctx2, 1);
2061 } else if (!SSL_CTX_set0_tmp_dh_pkey(ctx2, dhpkey)) {
2062 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2063 ERR_print_errors(bio_err);
2064 EVP_PKEY_free(dhpkey);
2065 goto end;
2066 }
2067 dhpkey = NULL;
2068 }
2069 EVP_PKEY_free(dhpkey);
2070 }
2071
2072 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2073 goto end;
2074
2075 if (s_serverinfo_file != NULL
2076 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2077 ERR_print_errors(bio_err);
2078 goto end;
2079 }
2080
2081 if (ctx2 != NULL
2082 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
2083 goto end;
2084
2085 if (s_dcert != NULL) {
2086 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2087 goto end;
2088 }
2089
2090 if (no_resume_ephemeral) {
2091 SSL_CTX_set_not_resumable_session_callback(ctx,
2092 not_resumable_sess_cb);
2093
2094 if (ctx2 != NULL)
2095 SSL_CTX_set_not_resumable_session_callback(ctx2,
2096 not_resumable_sess_cb);
2097 }
2098#ifndef OPENSSL_NO_PSK
2099 if (psk_key != NULL) {
2100 if (s_debug)
2101 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
2102 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2103 }
2104
2105 if (psk_identity_hint != NULL) {
2106 if (min_version == TLS1_3_VERSION) {
2107 BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n");
2108 } else {
2109 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2110 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2111 ERR_print_errors(bio_err);
2112 goto end;
2113 }
2114 }
2115 }
2116#endif
2117 if (psksessf != NULL) {
2118 BIO *stmp = BIO_new_file(psksessf, "r");
2119
2120 if (stmp == NULL) {
2121 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2122 ERR_print_errors(bio_err);
2123 goto end;
2124 }
2125 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2126 BIO_free(stmp);
2127 if (psksess == NULL) {
2128 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2129 ERR_print_errors(bio_err);
2130 goto end;
2131 }
2132
2133 }
2134
2135 if (psk_key != NULL || psksess != NULL)
2136 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2137
2138 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
2139 if (!SSL_CTX_set_session_id_context(ctx,
2140 (void *)&s_server_session_id_context,
2141 sizeof(s_server_session_id_context))) {
2142 BIO_printf(bio_err, "error setting session id context\n");
2143 ERR_print_errors(bio_err);
2144 goto end;
2145 }
2146
2147 /* Set DTLS cookie generation and verification callbacks */
2148 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2149 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2150
2151 /* Set TLS1.3 cookie generation and verification callbacks */
2152 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2153 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2154
2155 if (ctx2 != NULL) {
2156 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
2157 if (!SSL_CTX_set_session_id_context(ctx2,
2158 (void *)&s_server_session_id_context,
2159 sizeof(s_server_session_id_context))) {
2160 BIO_printf(bio_err, "error setting session id context\n");
2161 ERR_print_errors(bio_err);
2162 goto end;
2163 }
2164 tlsextcbp.biodebug = bio_s_out;
2165 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2166 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2167 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2168 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2169 }
2170
2171#ifndef OPENSSL_NO_SRP
2172 if (srp_verifier_file != NULL) {
2173 if (!set_up_srp_verifier_file(ctx, &srp_callback_parm, srpuserseed,
2174 srp_verifier_file))
2175 goto end;
2176 } else
2177#endif
2178 if (CAfile != NULL) {
2179 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
2180
2181 if (ctx2)
2182 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
2183 }
2184#ifndef OPENSSL_NO_OCSP
2185 if (s_tlsextstatus) {
2186 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2187 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2188 if (ctx2) {
2189 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2190 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2191 }
2192 }
2193#endif
2194 if (set_keylog_file(ctx, keylog_file))
2195 goto end;
2196
2197 if (max_early_data >= 0)
2198 SSL_CTX_set_max_early_data(ctx, max_early_data);
2199 if (recv_max_early_data >= 0)
2200 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
2201
2202 if (rev)
2203 server_cb = rev_body;
2204 else if (www)
2205 server_cb = www_body;
2206 else
2207 server_cb = sv_body;
2208#ifdef AF_UNIX
2209 if (socket_family == AF_UNIX
2210 && unlink_unix_path)
2211 unlink(host);
2212#endif
2213 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
2214 server_cb, context, naccept, bio_s_out);
2215 print_stats(bio_s_out, ctx);
2216 ret = 0;
2217 end:
2218 SSL_CTX_free(ctx);
2219 SSL_SESSION_free(psksess);
2220 set_keylog_file(NULL, NULL);
2221 X509_free(s_cert);
2222 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2223 X509_free(s_dcert);
2224 EVP_PKEY_free(s_key);
2225 EVP_PKEY_free(s_dkey);
2226 sk_X509_pop_free(s_chain, X509_free);
2227 sk_X509_pop_free(s_dchain, X509_free);
2228 OPENSSL_free(pass);
2229 OPENSSL_free(dpass);
2230 OPENSSL_free(host);
2231 OPENSSL_free(port);
2232 X509_VERIFY_PARAM_free(vpm);
2233 free_sessions();
2234 OPENSSL_free(tlscstatp.host);
2235 OPENSSL_free(tlscstatp.port);
2236 OPENSSL_free(tlscstatp.path);
2237 SSL_CTX_free(ctx2);
2238 X509_free(s_cert2);
2239 EVP_PKEY_free(s_key2);
2240#ifndef OPENSSL_NO_NEXTPROTONEG
2241 OPENSSL_free(next_proto.data);
2242#endif
2243 OPENSSL_free(alpn_ctx.data);
2244 ssl_excert_free(exc);
2245 sk_OPENSSL_STRING_free(ssl_args);
2246 SSL_CONF_CTX_free(cctx);
2247 release_engine(engine);
2248 BIO_free(bio_s_out);
2249 bio_s_out = NULL;
2250 BIO_free(bio_s_msg);
2251 bio_s_msg = NULL;
2252#ifdef CHARSET_EBCDIC
2253 BIO_meth_free(methods_ebcdic);
2254#endif
2255 return ret;
2256}
2257
2258static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2259{
2260 BIO_printf(bio, "%4ld items in the session cache\n",
2261 SSL_CTX_sess_number(ssl_ctx));
2262 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2263 SSL_CTX_sess_connect(ssl_ctx));
2264 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2265 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2266 BIO_printf(bio, "%4ld client connects that finished\n",
2267 SSL_CTX_sess_connect_good(ssl_ctx));
2268 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2269 SSL_CTX_sess_accept(ssl_ctx));
2270 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2271 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2272 BIO_printf(bio, "%4ld server accepts that finished\n",
2273 SSL_CTX_sess_accept_good(ssl_ctx));
2274 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2275 BIO_printf(bio, "%4ld session cache misses\n",
2276 SSL_CTX_sess_misses(ssl_ctx));
2277 BIO_printf(bio, "%4ld session cache timeouts\n",
2278 SSL_CTX_sess_timeouts(ssl_ctx));
2279 BIO_printf(bio, "%4ld callback cache hits\n",
2280 SSL_CTX_sess_cb_hits(ssl_ctx));
2281 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2282 SSL_CTX_sess_cache_full(ssl_ctx),
2283 SSL_CTX_sess_get_cache_size(ssl_ctx));
2284}
2285
2286static int sv_body(int s, int stype, int prot, unsigned char *context)
2287{
2288 char *buf = NULL;
2289 fd_set readfds;
2290 int ret = 1, width;
2291 int k, i;
2292 unsigned long l;
2293 SSL *con = NULL;
2294 BIO *sbio;
2295 struct timeval timeout;
2296#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
2297 struct timeval *timeoutp;
2298#endif
2299#ifndef OPENSSL_NO_DTLS
2300# ifndef OPENSSL_NO_SCTP
2301 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
2302# else
2303 int isdtls = (stype == SOCK_DGRAM);
2304# endif
2305#endif
2306
2307 buf = app_malloc(bufsize, "server buffer");
2308 if (s_nbio) {
2309 if (!BIO_socket_nbio(s, 1))
2310 ERR_print_errors(bio_err);
2311 else if (!s_quiet)
2312 BIO_printf(bio_err, "Turned on non blocking io\n");
2313 }
2314
2315 con = SSL_new(ctx);
2316 if (con == NULL) {
2317 ret = -1;
2318 goto err;
2319 }
2320
2321 if (s_tlsextdebug) {
2322 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2323 SSL_set_tlsext_debug_arg(con, bio_s_out);
2324 }
2325
2326 if (context != NULL
2327 && !SSL_set_session_id_context(con, context,
2328 strlen((char *)context))) {
2329 BIO_printf(bio_err, "Error setting session id context\n");
2330 ret = -1;
2331 goto err;
2332 }
2333
2334 if (!SSL_clear(con)) {
2335 BIO_printf(bio_err, "Error clearing SSL connection\n");
2336 ret = -1;
2337 goto err;
2338 }
2339#ifndef OPENSSL_NO_DTLS
2340 if (isdtls) {
2341# ifndef OPENSSL_NO_SCTP
2342 if (prot == IPPROTO_SCTP)
2343 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2344 else
2345# endif
2346 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2347
2348 if (enable_timeouts) {
2349 timeout.tv_sec = 0;
2350 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2351 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2352
2353 timeout.tv_sec = 0;
2354 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2355 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2356 }
2357
2358 if (socket_mtu) {
2359 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2360 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2361 DTLS_get_link_min_mtu(con));
2362 ret = -1;
2363 BIO_free(sbio);
2364 goto err;
2365 }
2366 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2367 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2368 BIO_printf(bio_err, "Failed to set MTU\n");
2369 ret = -1;
2370 BIO_free(sbio);
2371 goto err;
2372 }
2373 } else
2374 /* want to do MTU discovery */
2375 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2376
2377# ifndef OPENSSL_NO_SCTP
2378 if (prot != IPPROTO_SCTP)
2379# endif
2380 /* Turn on cookie exchange. Not necessary for SCTP */
2381 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2382 } else
2383#endif
2384 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2385
2386 if (sbio == NULL) {
2387 BIO_printf(bio_err, "Unable to create BIO\n");
2388 ERR_print_errors(bio_err);
2389 goto err;
2390 }
2391
2392 if (s_nbio_test) {
2393 BIO *test;
2394
2395 test = BIO_new(BIO_f_nbio_test());
2396 sbio = BIO_push(test, sbio);
2397 }
2398
2399 SSL_set_bio(con, sbio, sbio);
2400 SSL_set_accept_state(con);
2401 /* SSL_set_fd(con,s); */
2402
2403 if (s_debug) {
2404 BIO_set_callback_ex(SSL_get_rbio(con), bio_dump_callback);
2405 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2406 }
2407 if (s_msg) {
2408#ifndef OPENSSL_NO_SSL_TRACE
2409 if (s_msg == 2)
2410 SSL_set_msg_callback(con, SSL_trace);
2411 else
2412#endif
2413 SSL_set_msg_callback(con, msg_cb);
2414 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2415 }
2416
2417 if (s_tlsextdebug) {
2418 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2419 SSL_set_tlsext_debug_arg(con, bio_s_out);
2420 }
2421
2422 if (early_data) {
2423 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
2424 size_t readbytes;
2425
2426 while (edret != SSL_READ_EARLY_DATA_FINISH) {
2427 for (;;) {
2428 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2429 if (edret != SSL_READ_EARLY_DATA_ERROR)
2430 break;
2431
2432 switch (SSL_get_error(con, 0)) {
2433 case SSL_ERROR_WANT_WRITE:
2434 case SSL_ERROR_WANT_ASYNC:
2435 case SSL_ERROR_WANT_READ:
2436 /* Just keep trying - busy waiting */
2437 continue;
2438 default:
2439 BIO_printf(bio_err, "Error reading early data\n");
2440 ERR_print_errors(bio_err);
2441 goto err;
2442 }
2443 }
2444 if (readbytes > 0) {
2445 if (write_header) {
2446 BIO_printf(bio_s_out, "Early data received:\n");
2447 write_header = 0;
2448 }
2449 raw_write_stdout(buf, (unsigned int)readbytes);
2450 (void)BIO_flush(bio_s_out);
2451 }
2452 }
2453 if (write_header) {
2454 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2455 BIO_printf(bio_s_out, "No early data received\n");
2456 else
2457 BIO_printf(bio_s_out, "Early data was rejected\n");
2458 } else {
2459 BIO_printf(bio_s_out, "\nEnd of early data\n");
2460 }
2461 if (SSL_is_init_finished(con))
2462 print_connection_info(con);
2463 }
2464
2465 if (fileno_stdin() > s)
2466 width = fileno_stdin() + 1;
2467 else
2468 width = s + 1;
2469 for (;;) {
2470 int read_from_terminal;
2471 int read_from_sslcon;
2472
2473 read_from_terminal = 0;
2474 read_from_sslcon = SSL_has_pending(con)
2475 || (async && SSL_waiting_for_async(con));
2476
2477 if (!read_from_sslcon) {
2478 FD_ZERO(&readfds);
2479#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2480 openssl_fdset(fileno_stdin(), &readfds);
2481#endif
2482 openssl_fdset(s, &readfds);
2483 /*
2484 * Note: under VMS with SOCKETSHR the second parameter is
2485 * currently of type (int *) whereas under other systems it is
2486 * (void *) if you don't have a cast it will choke the compiler:
2487 * if you do have a cast then you can either go for (int *) or
2488 * (void *).
2489 */
2490#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2491 /*
2492 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2493 * only on sockets. As a workaround we timeout the select every
2494 * second and check for any keypress. In a proper Windows
2495 * application we wouldn't do this because it is inefficient.
2496 */
2497 timeout.tv_sec = 1;
2498 timeout.tv_usec = 0;
2499 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
2500 if (has_stdin_waiting())
2501 read_from_terminal = 1;
2502 if ((i < 0) || (!i && !read_from_terminal))
2503 continue;
2504#else
2505 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2506 timeoutp = &timeout;
2507 else
2508 timeoutp = NULL;
2509
2510 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2511
2512 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
2513 BIO_printf(bio_err, "TIMEOUT occurred\n");
2514
2515 if (i <= 0)
2516 continue;
2517 if (FD_ISSET(fileno_stdin(), &readfds))
2518 read_from_terminal = 1;
2519#endif
2520 if (FD_ISSET(s, &readfds))
2521 read_from_sslcon = 1;
2522 }
2523 if (read_from_terminal) {
2524 if (s_crlf) {
2525 int j, lf_num;
2526
2527 i = raw_read_stdin(buf, bufsize / 2);
2528 lf_num = 0;
2529 /* both loops are skipped when i <= 0 */
2530 for (j = 0; j < i; j++)
2531 if (buf[j] == '\n')
2532 lf_num++;
2533 for (j = i - 1; j >= 0; j--) {
2534 buf[j + lf_num] = buf[j];
2535 if (buf[j] == '\n') {
2536 lf_num--;
2537 i++;
2538 buf[j + lf_num] = '\r';
2539 }
2540 }
2541 assert(lf_num == 0);
2542 } else {
2543 i = raw_read_stdin(buf, bufsize);
2544 }
2545
2546 if (!s_quiet && !s_brief) {
2547 if ((i <= 0) || (buf[0] == 'Q')) {
2548 BIO_printf(bio_s_out, "DONE\n");
2549 (void)BIO_flush(bio_s_out);
2550 BIO_closesocket(s);
2551 close_accept_socket();
2552 ret = -11;
2553 goto err;
2554 }
2555 if ((i <= 0) || (buf[0] == 'q')) {
2556 BIO_printf(bio_s_out, "DONE\n");
2557 (void)BIO_flush(bio_s_out);
2558 if (SSL_version(con) != DTLS1_VERSION)
2559 BIO_closesocket(s);
2560 /*
2561 * close_accept_socket(); ret= -11;
2562 */
2563 goto err;
2564 }
2565 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2566 SSL_renegotiate(con);
2567 i = SSL_do_handshake(con);
2568 printf("SSL_do_handshake -> %d\n", i);
2569 i = 0; /* 13; */
2570 continue;
2571 }
2572 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2573 SSL_set_verify(con,
2574 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2575 NULL);
2576 SSL_renegotiate(con);
2577 i = SSL_do_handshake(con);
2578 printf("SSL_do_handshake -> %d\n", i);
2579 i = 0; /* 13; */
2580 continue;
2581 }
2582 if ((buf[0] == 'K' || buf[0] == 'k')
2583 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2584 SSL_key_update(con, buf[0] == 'K' ?
2585 SSL_KEY_UPDATE_REQUESTED
2586 : SSL_KEY_UPDATE_NOT_REQUESTED);
2587 i = SSL_do_handshake(con);
2588 printf("SSL_do_handshake -> %d\n", i);
2589 i = 0;
2590 continue;
2591 }
2592 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2593 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2594 i = SSL_verify_client_post_handshake(con);
2595 if (i == 0) {
2596 printf("Failed to initiate request\n");
2597 ERR_print_errors(bio_err);
2598 } else {
2599 i = SSL_do_handshake(con);
2600 printf("SSL_do_handshake -> %d\n", i);
2601 i = 0;
2602 }
2603 continue;
2604 }
2605 if (buf[0] == 'P') {
2606 static const char str[] = "Lets print some clear text\n";
2607 BIO_write(SSL_get_wbio(con), str, sizeof(str) -1);
2608 }
2609 if (buf[0] == 'S') {
2610 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2611 }
2612 }
2613#ifdef CHARSET_EBCDIC
2614 ebcdic2ascii(buf, buf, i);
2615#endif
2616 l = k = 0;
2617 for (;;) {
2618 /* should do a select for the write */
2619#ifdef RENEG
2620 static count = 0;
2621 if (++count == 100) {
2622 count = 0;
2623 SSL_renegotiate(con);
2624 }
2625#endif
2626 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2627#ifndef OPENSSL_NO_SRP
2628 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2629 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2630
2631 lookup_srp_user(&srp_callback_parm, bio_s_out);
2632
2633 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2634 }
2635#endif
2636 switch (SSL_get_error(con, k)) {
2637 case SSL_ERROR_NONE:
2638 break;
2639 case SSL_ERROR_WANT_ASYNC:
2640 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2641 (void)BIO_flush(bio_s_out);
2642 wait_for_async(con);
2643 break;
2644 case SSL_ERROR_WANT_WRITE:
2645 case SSL_ERROR_WANT_READ:
2646 case SSL_ERROR_WANT_X509_LOOKUP:
2647 BIO_printf(bio_s_out, "Write BLOCK\n");
2648 (void)BIO_flush(bio_s_out);
2649 break;
2650 case SSL_ERROR_WANT_ASYNC_JOB:
2651 /*
2652 * This shouldn't ever happen in s_server. Treat as an error
2653 */
2654 case SSL_ERROR_SYSCALL:
2655 case SSL_ERROR_SSL:
2656 BIO_printf(bio_s_out, "ERROR\n");
2657 (void)BIO_flush(bio_s_out);
2658 ERR_print_errors(bio_err);
2659 ret = 1;
2660 goto err;
2661 /* break; */
2662 case SSL_ERROR_ZERO_RETURN:
2663 BIO_printf(bio_s_out, "DONE\n");
2664 (void)BIO_flush(bio_s_out);
2665 ret = 1;
2666 goto err;
2667 }
2668 if (k > 0) {
2669 l += k;
2670 i -= k;
2671 }
2672 if (i <= 0)
2673 break;
2674 }
2675 }
2676 if (read_from_sslcon) {
2677 /*
2678 * init_ssl_connection handles all async events itself so if we're
2679 * waiting for async then we shouldn't go back into
2680 * init_ssl_connection
2681 */
2682 if ((!async || !SSL_waiting_for_async(con))
2683 && !SSL_is_init_finished(con)) {
2684 i = init_ssl_connection(con);
2685
2686 if (i < 0) {
2687 ret = 0;
2688 goto err;
2689 } else if (i == 0) {
2690 ret = 1;
2691 goto err;
2692 }
2693 } else {
2694 again:
2695 i = SSL_read(con, (char *)buf, bufsize);
2696#ifndef OPENSSL_NO_SRP
2697 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2698 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2699
2700 lookup_srp_user(&srp_callback_parm, bio_s_out);
2701
2702 i = SSL_read(con, (char *)buf, bufsize);
2703 }
2704#endif
2705 switch (SSL_get_error(con, i)) {
2706 case SSL_ERROR_NONE:
2707#ifdef CHARSET_EBCDIC
2708 ascii2ebcdic(buf, buf, i);
2709#endif
2710 raw_write_stdout(buf, (unsigned int)i);
2711 (void)BIO_flush(bio_s_out);
2712 if (SSL_has_pending(con))
2713 goto again;
2714 break;
2715 case SSL_ERROR_WANT_ASYNC:
2716 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2717 (void)BIO_flush(bio_s_out);
2718 wait_for_async(con);
2719 break;
2720 case SSL_ERROR_WANT_WRITE:
2721 case SSL_ERROR_WANT_READ:
2722 BIO_printf(bio_s_out, "Read BLOCK\n");
2723 (void)BIO_flush(bio_s_out);
2724 break;
2725 case SSL_ERROR_WANT_ASYNC_JOB:
2726 /*
2727 * This shouldn't ever happen in s_server. Treat as an error
2728 */
2729 case SSL_ERROR_SYSCALL:
2730 case SSL_ERROR_SSL:
2731 BIO_printf(bio_s_out, "ERROR\n");
2732 (void)BIO_flush(bio_s_out);
2733 ERR_print_errors(bio_err);
2734 ret = 1;
2735 goto err;
2736 case SSL_ERROR_ZERO_RETURN:
2737 BIO_printf(bio_s_out, "DONE\n");
2738 (void)BIO_flush(bio_s_out);
2739 ret = 1;
2740 goto err;
2741 }
2742 }
2743 }
2744 }
2745 err:
2746 if (con != NULL) {
2747 BIO_printf(bio_s_out, "shutting down SSL\n");
2748 do_ssl_shutdown(con);
2749 SSL_free(con);
2750 }
2751 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2752 OPENSSL_clear_free(buf, bufsize);
2753 return ret;
2754}
2755
2756static void close_accept_socket(void)
2757{
2758 BIO_printf(bio_err, "shutdown accept socket\n");
2759 if (accept_socket >= 0) {
2760 BIO_closesocket(accept_socket);
2761 }
2762}
2763
2764static int is_retryable(SSL *con, int i)
2765{
2766 int err = SSL_get_error(con, i);
2767
2768 /* If it's not a fatal error, it must be retryable */
2769 return (err != SSL_ERROR_SSL)
2770 && (err != SSL_ERROR_SYSCALL)
2771 && (err != SSL_ERROR_ZERO_RETURN);
2772}
2773
2774static int init_ssl_connection(SSL *con)
2775{
2776 int i;
2777 long verify_err;
2778 int retry = 0;
2779
2780 if (dtlslisten || stateless) {
2781 BIO_ADDR *client = NULL;
2782
2783 if (dtlslisten) {
2784 if ((client = BIO_ADDR_new()) == NULL) {
2785 BIO_printf(bio_err, "ERROR - memory\n");
2786 return 0;
2787 }
2788 i = DTLSv1_listen(con, client);
2789 } else {
2790 i = SSL_stateless(con);
2791 }
2792 if (i > 0) {
2793 BIO *wbio;
2794 int fd = -1;
2795
2796 if (dtlslisten) {
2797 wbio = SSL_get_wbio(con);
2798 if (wbio) {
2799 BIO_get_fd(wbio, &fd);
2800 }
2801
2802 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2803 BIO_printf(bio_err, "ERROR - unable to connect\n");
2804 BIO_ADDR_free(client);
2805 return 0;
2806 }
2807
2808 (void)BIO_ctrl_set_connected(wbio, client);
2809 BIO_ADDR_free(client);
2810 dtlslisten = 0;
2811 } else {
2812 stateless = 0;
2813 }
2814 i = SSL_accept(con);
2815 } else {
2816 BIO_ADDR_free(client);
2817 }
2818 } else {
2819 do {
2820 i = SSL_accept(con);
2821
2822 if (i <= 0)
2823 retry = is_retryable(con, i);
2824#ifdef CERT_CB_TEST_RETRY
2825 {
2826 while (i <= 0
2827 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2828 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2829 BIO_printf(bio_err,
2830 "LOOKUP from certificate callback during accept\n");
2831 i = SSL_accept(con);
2832 if (i <= 0)
2833 retry = is_retryable(con, i);
2834 }
2835 }
2836#endif
2837
2838#ifndef OPENSSL_NO_SRP
2839 while (i <= 0
2840 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2841 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2842 srp_callback_parm.login);
2843
2844 lookup_srp_user(&srp_callback_parm, bio_s_out);
2845
2846 i = SSL_accept(con);
2847 if (i <= 0)
2848 retry = is_retryable(con, i);
2849 }
2850#endif
2851 } while (i < 0 && SSL_waiting_for_async(con));
2852 }
2853
2854 if (i <= 0) {
2855 if (((dtlslisten || stateless) && i == 0)
2856 || (!dtlslisten && !stateless && retry)) {
2857 BIO_printf(bio_s_out, "DELAY\n");
2858 return 1;
2859 }
2860
2861 BIO_printf(bio_err, "ERROR\n");
2862
2863 verify_err = SSL_get_verify_result(con);
2864 if (verify_err != X509_V_OK) {
2865 BIO_printf(bio_err, "verify error:%s\n",
2866 X509_verify_cert_error_string(verify_err));
2867 }
2868 /* Always print any error messages */
2869 ERR_print_errors(bio_err);
2870 return 0;
2871 }
2872
2873 print_connection_info(con);
2874 return 1;
2875}
2876
2877static void print_connection_info(SSL *con)
2878{
2879 const char *str;
2880 X509 *peer;
2881 char buf[BUFSIZ];
2882#if !defined(OPENSSL_NO_NEXTPROTONEG)
2883 const unsigned char *next_proto_neg;
2884 unsigned next_proto_neg_len;
2885#endif
2886 unsigned char *exportedkeymat;
2887 int i;
2888
2889 if (s_brief)
2890 print_ssl_summary(con);
2891
2892 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2893
2894 peer = SSL_get0_peer_certificate(con);
2895 if (peer != NULL) {
2896 BIO_printf(bio_s_out, "Client certificate\n");
2897 PEM_write_bio_X509(bio_s_out, peer);
2898 dump_cert_text(bio_s_out, peer);
2899 peer = NULL;
2900 }
2901
2902 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
2903 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2904 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2905 ssl_print_sigalgs(bio_s_out, con);
2906#ifndef OPENSSL_NO_EC
2907 ssl_print_point_formats(bio_s_out, con);
2908 ssl_print_groups(bio_s_out, con, 0);
2909#endif
2910 print_ca_names(bio_s_out, con);
2911 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2912
2913#if !defined(OPENSSL_NO_NEXTPROTONEG)
2914 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2915 if (next_proto_neg) {
2916 BIO_printf(bio_s_out, "NEXTPROTO is ");
2917 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2918 BIO_printf(bio_s_out, "\n");
2919 }
2920#endif
2921#ifndef OPENSSL_NO_SRTP
2922 {
2923 SRTP_PROTECTION_PROFILE *srtp_profile
2924 = SSL_get_selected_srtp_profile(con);
2925
2926 if (srtp_profile)
2927 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2928 srtp_profile->name);
2929 }
2930#endif
2931 if (SSL_session_reused(con))
2932 BIO_printf(bio_s_out, "Reused session-id\n");
2933 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2934 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2935 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2936 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2937
2938 if (keymatexportlabel != NULL) {
2939 BIO_printf(bio_s_out, "Keying material exporter:\n");
2940 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2941 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2942 exportedkeymat = app_malloc(keymatexportlen, "export key");
2943 if (SSL_export_keying_material(con, exportedkeymat,
2944 keymatexportlen,
2945 keymatexportlabel,
2946 strlen(keymatexportlabel),
2947 NULL, 0, 0) <= 0) {
2948 BIO_printf(bio_s_out, " Error\n");
2949 } else {
2950 BIO_printf(bio_s_out, " Keying material: ");
2951 for (i = 0; i < keymatexportlen; i++)
2952 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2953 BIO_printf(bio_s_out, "\n");
2954 }
2955 OPENSSL_free(exportedkeymat);
2956 }
2957#ifndef OPENSSL_NO_KTLS
2958 if (BIO_get_ktls_send(SSL_get_wbio(con)))
2959 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
2960 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
2961 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
2962#endif
2963
2964 (void)BIO_flush(bio_s_out);
2965}
2966
2967static int www_body(int s, int stype, int prot, unsigned char *context)
2968{
2969 char *buf = NULL;
2970 int ret = 1;
2971 int i, j, k, dot;
2972 SSL *con;
2973 const SSL_CIPHER *c;
2974 BIO *io, *ssl_bio, *sbio;
2975#ifdef RENEG
2976 int total_bytes = 0;
2977#endif
2978 int width;
2979 fd_set readfds;
2980 const char *opmode;
2981
2982 /* Set width for a select call if needed */
2983 width = s + 1;
2984
2985 buf = app_malloc(bufsize, "server www buffer");
2986 io = BIO_new(BIO_f_buffer());
2987 ssl_bio = BIO_new(BIO_f_ssl());
2988 if ((io == NULL) || (ssl_bio == NULL))
2989 goto err;
2990
2991 if (s_nbio) {
2992 if (!BIO_socket_nbio(s, 1))
2993 ERR_print_errors(bio_err);
2994 else if (!s_quiet)
2995 BIO_printf(bio_err, "Turned on non blocking io\n");
2996 }
2997
2998 /* lets make the output buffer a reasonable size */
2999 if (!BIO_set_write_buffer_size(io, bufsize))
3000 goto err;
3001
3002 if ((con = SSL_new(ctx)) == NULL)
3003 goto err;
3004
3005 if (s_tlsextdebug) {
3006 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3007 SSL_set_tlsext_debug_arg(con, bio_s_out);
3008 }
3009
3010 if (context != NULL
3011 && !SSL_set_session_id_context(con, context,
3012 strlen((char *)context))) {
3013 SSL_free(con);
3014 goto err;
3015 }
3016
3017 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3018 if (s_nbio_test) {
3019 BIO *test;
3020
3021 test = BIO_new(BIO_f_nbio_test());
3022 sbio = BIO_push(test, sbio);
3023 }
3024 SSL_set_bio(con, sbio, sbio);
3025 SSL_set_accept_state(con);
3026
3027 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3028 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3029 BIO_push(io, ssl_bio);
3030 ssl_bio = NULL;
3031#ifdef CHARSET_EBCDIC
3032 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3033#endif
3034
3035 if (s_debug) {
3036 BIO_set_callback_ex(SSL_get_rbio(con), bio_dump_callback);
3037 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3038 }
3039 if (s_msg) {
3040#ifndef OPENSSL_NO_SSL_TRACE
3041 if (s_msg == 2)
3042 SSL_set_msg_callback(con, SSL_trace);
3043 else
3044#endif
3045 SSL_set_msg_callback(con, msg_cb);
3046 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3047 }
3048
3049 for (;;) {
3050 i = BIO_gets(io, buf, bufsize - 1);
3051 if (i < 0) { /* error */
3052 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
3053 if (!s_quiet)
3054 ERR_print_errors(bio_err);
3055 goto err;
3056 } else {
3057 BIO_printf(bio_s_out, "read R BLOCK\n");
3058#ifndef OPENSSL_NO_SRP
3059 if (BIO_should_io_special(io)
3060 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3061 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3062
3063 lookup_srp_user(&srp_callback_parm, bio_s_out);
3064
3065 continue;
3066 }
3067#endif
3068 ossl_sleep(1000);
3069 continue;
3070 }
3071 } else if (i == 0) { /* end of input */
3072 ret = 1;
3073 goto end;
3074 }
3075
3076 /* else we have data */
3077 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
3078 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
3079 char *p;
3080 X509 *peer = NULL;
3081 STACK_OF(SSL_CIPHER) *sk;
3082 static const char *space = " ";
3083
3084 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3085 if (strncmp("GET /renegcert", buf, 14) == 0)
3086 SSL_set_verify(con,
3087 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3088 NULL);
3089 i = SSL_renegotiate(con);
3090 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
3091 /* Send the HelloRequest */
3092 i = SSL_do_handshake(con);
3093 if (i <= 0) {
3094 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3095 SSL_get_error(con, i));
3096 ERR_print_errors(bio_err);
3097 goto err;
3098 }
3099 /* Wait for a ClientHello to come back */
3100 FD_ZERO(&readfds);
3101 openssl_fdset(s, &readfds);
3102 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3103 if (i <= 0 || !FD_ISSET(s, &readfds)) {
3104 BIO_printf(bio_s_out,
3105 "Error waiting for client response\n");
3106 ERR_print_errors(bio_err);
3107 goto err;
3108 }
3109 /*
3110 * We're not actually expecting any data here and we ignore
3111 * any that is sent. This is just to force the handshake that
3112 * we're expecting to come from the client. If they haven't
3113 * sent one there's not much we can do.
3114 */
3115 BIO_gets(io, buf, bufsize - 1);
3116 }
3117
3118 BIO_puts(io,
3119 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3120 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3121 BIO_puts(io, "<pre>\n");
3122 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
3123 BIO_puts(io, "\n");
3124 for (i = 0; i < local_argc; i++) {
3125 const char *myp;
3126 for (myp = local_argv[i]; *myp; myp++)
3127 switch (*myp) {
3128 case '<':
3129 BIO_puts(io, "&lt;");
3130 break;
3131 case '>':
3132 BIO_puts(io, "&gt;");
3133 break;
3134 case '&':
3135 BIO_puts(io, "&amp;");
3136 break;
3137 default:
3138 BIO_write(io, myp, 1);
3139 break;
3140 }
3141 BIO_write(io, " ", 1);
3142 }
3143 BIO_puts(io, "\n");
3144
3145 BIO_printf(io,
3146 "Secure Renegotiation IS%s supported\n",
3147 SSL_get_secure_renegotiation_support(con) ?
3148 "" : " NOT");
3149
3150 /*
3151 * The following is evil and should not really be done
3152 */
3153 BIO_printf(io, "Ciphers supported in s_server binary\n");
3154 sk = SSL_get_ciphers(con);
3155 j = sk_SSL_CIPHER_num(sk);
3156 for (i = 0; i < j; i++) {
3157 c = sk_SSL_CIPHER_value(sk, i);
3158 BIO_printf(io, "%-11s:%-25s ",
3159 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3160 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3161 BIO_puts(io, "\n");
3162 }
3163 BIO_puts(io, "\n");
3164 p = SSL_get_shared_ciphers(con, buf, bufsize);
3165 if (p != NULL) {
3166 BIO_printf(io,
3167 "---\nCiphers common between both SSL end points:\n");
3168 j = i = 0;
3169 while (*p) {
3170 if (*p == ':') {
3171 BIO_write(io, space, 26 - j);
3172 i++;
3173 j = 0;
3174 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3175 } else {
3176 BIO_write(io, p, 1);
3177 j++;
3178 }
3179 p++;
3180 }
3181 BIO_puts(io, "\n");
3182 }
3183 ssl_print_sigalgs(io, con);
3184#ifndef OPENSSL_NO_EC
3185 ssl_print_groups(io, con, 0);
3186#endif
3187 print_ca_names(io, con);
3188 BIO_printf(io, (SSL_session_reused(con)
3189 ? "---\nReused, " : "---\nNew, "));
3190 c = SSL_get_current_cipher(con);
3191 BIO_printf(io, "%s, Cipher is %s\n",
3192 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3193 SSL_SESSION_print(io, SSL_get_session(con));
3194 BIO_printf(io, "---\n");
3195 print_stats(io, SSL_get_SSL_CTX(con));
3196 BIO_printf(io, "---\n");
3197 peer = SSL_get0_peer_certificate(con);
3198 if (peer != NULL) {
3199 BIO_printf(io, "Client certificate\n");
3200 X509_print(io, peer);
3201 PEM_write_bio_X509(io, peer);
3202 peer = NULL;
3203 } else {
3204 BIO_puts(io, "no client certificate available\n");
3205 }
3206 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
3207 break;
3208 } else if ((www == 2 || www == 3)
3209 && (strncmp("GET /", buf, 5) == 0)) {
3210 BIO *file;
3211 char *p, *e;
3212 static const char *text =
3213 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3214
3215 /* skip the '/' */
3216 p = &(buf[5]);
3217
3218 dot = 1;
3219 for (e = p; *e != '\0'; e++) {
3220 if (e[0] == ' ')
3221 break;
3222
3223 if (e[0] == ':') {
3224 /* Windows drive. We treat this the same way as ".." */
3225 dot = -1;
3226 break;
3227 }
3228
3229 switch (dot) {
3230 case 1:
3231 dot = (e[0] == '.') ? 2 : 0;
3232 break;
3233 case 2:
3234 dot = (e[0] == '.') ? 3 : 0;
3235 break;
3236 case 3:
3237 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
3238 break;
3239 }
3240 if (dot == 0)
3241 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
3242 }
3243 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3244 * component */
3245
3246 if (*e == '\0') {
3247 BIO_puts(io, text);
3248 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3249 break;
3250 }
3251 *e = '\0';
3252
3253 if (dot) {
3254 BIO_puts(io, text);
3255 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
3256 break;
3257 }
3258
3259 if (*p == '/' || *p == '\\') {
3260 BIO_puts(io, text);
3261 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3262 break;
3263 }
3264
3265 /* if a directory, do the index thang */
3266 if (app_isdir(p) > 0) {
3267 BIO_puts(io, text);
3268 BIO_printf(io, "'%s' is a directory\r\n", p);
3269 break;
3270 }
3271
3272 opmode = (http_server_binmode == 1) ? "rb" : "r";
3273 if ((file = BIO_new_file(p, opmode)) == NULL) {
3274 BIO_puts(io, text);
3275 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
3276 ERR_print_errors(io);
3277 break;
3278 }
3279
3280 if (!s_quiet)
3281 BIO_printf(bio_err, "FILE:%s\n", p);
3282
3283 if (www == 2) {
3284 i = strlen(p);
3285 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3286 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3287 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3288 BIO_puts(io,
3289 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3290 else
3291 BIO_puts(io,
3292 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3293 }
3294 /* send the file */
3295#ifndef OPENSSL_NO_KTLS
3296 if (use_sendfile) {
3297 FILE *fp = NULL;
3298 int fd;
3299 struct stat st;
3300 off_t offset = 0;
3301 size_t filesize;
3302
3303 BIO_get_fp(file, &fp);
3304 fd = fileno(fp);
3305 if (fstat(fd, &st) < 0) {
3306 BIO_printf(io, "Error fstat '%s'\r\n", p);
3307 ERR_print_errors(io);
3308 goto write_error;
3309 }
3310
3311 filesize = st.st_size;
3312 if (((int)BIO_flush(io)) < 0)
3313 goto write_error;
3314
3315 for (;;) {
3316 i = SSL_sendfile(con, fd, offset, filesize, 0);
3317 if (i < 0) {
3318 BIO_printf(io, "Error SSL_sendfile '%s'\r\n", p);
3319 ERR_print_errors(io);
3320 break;
3321 } else {
3322 offset += i;
3323 filesize -= i;
3324 }
3325
3326 if (filesize <= 0) {
3327 if (!s_quiet)
3328 BIO_printf(bio_err, "KTLS SENDFILE '%s' OK\n", p);
3329
3330 break;
3331 }
3332 }
3333 } else
3334#endif
3335 {
3336 for (;;) {
3337 i = BIO_read(file, buf, bufsize);
3338 if (i <= 0)
3339 break;
3340
3341#ifdef RENEG
3342 total_bytes += i;
3343 BIO_printf(bio_err, "%d\n", i);
3344 if (total_bytes > 3 * 1024) {
3345 total_bytes = 0;
3346 BIO_printf(bio_err, "RENEGOTIATE\n");
3347 SSL_renegotiate(con);
3348 }
3349#endif
3350
3351 for (j = 0; j < i;) {
3352#ifdef RENEG
3353 static count = 0;
3354 if (++count == 13)
3355 SSL_renegotiate(con);
3356#endif
3357 k = BIO_write(io, &(buf[j]), i - j);
3358 if (k <= 0) {
3359 if (!BIO_should_retry(io)
3360 && !SSL_waiting_for_async(con)) {
3361 goto write_error;
3362 } else {
3363 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3364 }
3365 } else {
3366 j += k;
3367 }
3368 }
3369 }
3370 }
3371 write_error:
3372 BIO_free(file);
3373 break;
3374 }
3375 }
3376
3377 for (;;) {
3378 i = (int)BIO_flush(io);
3379 if (i <= 0) {
3380 if (!BIO_should_retry(io))
3381 break;
3382 } else
3383 break;
3384 }
3385 end:
3386 /* make sure we re-use sessions */
3387 do_ssl_shutdown(con);
3388
3389 err:
3390 OPENSSL_free(buf);
3391 BIO_free(ssl_bio);
3392 BIO_free_all(io);
3393 return ret;
3394}
3395
3396static int rev_body(int s, int stype, int prot, unsigned char *context)
3397{
3398 char *buf = NULL;
3399 int i;
3400 int ret = 1;
3401 SSL *con;
3402 BIO *io, *ssl_bio, *sbio;
3403
3404 buf = app_malloc(bufsize, "server rev buffer");
3405 io = BIO_new(BIO_f_buffer());
3406 ssl_bio = BIO_new(BIO_f_ssl());
3407 if ((io == NULL) || (ssl_bio == NULL))
3408 goto err;
3409
3410 /* lets make the output buffer a reasonable size */
3411 if (!BIO_set_write_buffer_size(io, bufsize))
3412 goto err;
3413
3414 if ((con = SSL_new(ctx)) == NULL)
3415 goto err;
3416
3417 if (s_tlsextdebug) {
3418 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3419 SSL_set_tlsext_debug_arg(con, bio_s_out);
3420 }
3421 if (context != NULL
3422 && !SSL_set_session_id_context(con, context,
3423 strlen((char *)context))) {
3424 SSL_free(con);
3425 ERR_print_errors(bio_err);
3426 goto err;
3427 }
3428
3429 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3430 SSL_set_bio(con, sbio, sbio);
3431 SSL_set_accept_state(con);
3432
3433 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
3434 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3435 BIO_push(io, ssl_bio);
3436 ssl_bio = NULL;
3437#ifdef CHARSET_EBCDIC
3438 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3439#endif
3440
3441 if (s_debug) {
3442 BIO_set_callback_ex(SSL_get_rbio(con), bio_dump_callback);
3443 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3444 }
3445 if (s_msg) {
3446#ifndef OPENSSL_NO_SSL_TRACE
3447 if (s_msg == 2)
3448 SSL_set_msg_callback(con, SSL_trace);
3449 else
3450#endif
3451 SSL_set_msg_callback(con, msg_cb);
3452 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3453 }
3454
3455 for (;;) {
3456 i = BIO_do_handshake(io);
3457 if (i > 0)
3458 break;
3459 if (!BIO_should_retry(io)) {
3460 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3461 ERR_print_errors(bio_err);
3462 goto end;
3463 }
3464#ifndef OPENSSL_NO_SRP
3465 if (BIO_should_io_special(io)
3466 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3467 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3468
3469 lookup_srp_user(&srp_callback_parm, bio_s_out);
3470
3471 continue;
3472 }
3473#endif
3474 }
3475 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3476 print_ssl_summary(con);
3477
3478 for (;;) {
3479 i = BIO_gets(io, buf, bufsize - 1);
3480 if (i < 0) { /* error */
3481 if (!BIO_should_retry(io)) {
3482 if (!s_quiet)
3483 ERR_print_errors(bio_err);
3484 goto err;
3485 } else {
3486 BIO_printf(bio_s_out, "read R BLOCK\n");
3487#ifndef OPENSSL_NO_SRP
3488 if (BIO_should_io_special(io)
3489 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3490 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3491
3492 lookup_srp_user(&srp_callback_parm, bio_s_out);
3493
3494 continue;
3495 }
3496#endif
3497 ossl_sleep(1000);
3498 continue;
3499 }
3500 } else if (i == 0) { /* end of input */
3501 ret = 1;
3502 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3503 goto end;
3504 } else {
3505 char *p = buf + i - 1;
3506 while (i && (*p == '\n' || *p == '\r')) {
3507 p--;
3508 i--;
3509 }
3510 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3511 ret = 1;
3512 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3513 goto end;
3514 }
3515 BUF_reverse((unsigned char *)buf, NULL, i);
3516 buf[i] = '\n';
3517 BIO_write(io, buf, i + 1);
3518 for (;;) {
3519 i = BIO_flush(io);
3520 if (i > 0)
3521 break;
3522 if (!BIO_should_retry(io))
3523 goto end;
3524 }
3525 }
3526 }
3527 end:
3528 /* make sure we re-use sessions */
3529 do_ssl_shutdown(con);
3530
3531 err:
3532
3533 OPENSSL_free(buf);
3534 BIO_free(ssl_bio);
3535 BIO_free_all(io);
3536 return ret;
3537}
3538
3539#define MAX_SESSION_ID_ATTEMPTS 10
3540static int generate_session_id(SSL *ssl, unsigned char *id,
3541 unsigned int *id_len)
3542{
3543 unsigned int count = 0;
3544 unsigned int session_id_prefix_len = strlen(session_id_prefix);
3545
3546 do {
3547 if (RAND_bytes(id, *id_len) <= 0)
3548 return 0;
3549 /*
3550 * Prefix the session_id with the required prefix. NB: If our prefix
3551 * is too long, clip it - but there will be worse effects anyway, eg.
3552 * the server could only possibly create 1 session ID (ie. the
3553 * prefix!) so all future session negotiations will fail due to
3554 * conflicts.
3555 */
3556 memcpy(id, session_id_prefix,
3557 (session_id_prefix_len < *id_len) ?
3558 session_id_prefix_len : *id_len);
3559 }
3560 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3561 (++count < MAX_SESSION_ID_ATTEMPTS));
3562 if (count >= MAX_SESSION_ID_ATTEMPTS)
3563 return 0;
3564 return 1;
3565}
3566
3567/*
3568 * By default s_server uses an in-memory cache which caches SSL_SESSION
3569 * structures without any serialization. This hides some bugs which only
3570 * become apparent in deployed servers. By implementing a basic external
3571 * session cache some issues can be debugged using s_server.
3572 */
3573
3574typedef struct simple_ssl_session_st {
3575 unsigned char *id;
3576 unsigned int idlen;
3577 unsigned char *der;
3578 int derlen;
3579 struct simple_ssl_session_st *next;
3580} simple_ssl_session;
3581
3582static simple_ssl_session *first = NULL;
3583
3584static int add_session(SSL *ssl, SSL_SESSION *session)
3585{
3586 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3587 unsigned char *p;
3588
3589 SSL_SESSION_get_id(session, &sess->idlen);
3590 sess->derlen = i2d_SSL_SESSION(session, NULL);
3591 if (sess->derlen < 0) {
3592 BIO_printf(bio_err, "Error encoding session\n");
3593 OPENSSL_free(sess);
3594 return 0;
3595 }
3596
3597 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3598 sess->der = app_malloc(sess->derlen, "get session buffer");
3599 if (!sess->id) {
3600 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3601 OPENSSL_free(sess->id);
3602 OPENSSL_free(sess->der);
3603 OPENSSL_free(sess);
3604 return 0;
3605 }
3606 p = sess->der;
3607
3608 /* Assume it still works. */
3609 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3610 BIO_printf(bio_err, "Unexpected session encoding length\n");
3611 OPENSSL_free(sess->id);
3612 OPENSSL_free(sess->der);
3613 OPENSSL_free(sess);
3614 return 0;
3615 }
3616
3617 sess->next = first;
3618 first = sess;
3619 BIO_printf(bio_err, "New session added to external cache\n");
3620 return 0;
3621}
3622
3623static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3624 int *do_copy)
3625{
3626 simple_ssl_session *sess;
3627 *do_copy = 0;
3628 for (sess = first; sess; sess = sess->next) {
3629 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3630 const unsigned char *p = sess->der;
3631 BIO_printf(bio_err, "Lookup session: cache hit\n");
3632 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3633 }
3634 }
3635 BIO_printf(bio_err, "Lookup session: cache miss\n");
3636 return NULL;
3637}
3638
3639static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3640{
3641 simple_ssl_session *sess, *prev = NULL;
3642 const unsigned char *id;
3643 unsigned int idlen;
3644 id = SSL_SESSION_get_id(session, &idlen);
3645 for (sess = first; sess; sess = sess->next) {
3646 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3647 if (prev)
3648 prev->next = sess->next;
3649 else
3650 first = sess->next;
3651 OPENSSL_free(sess->id);
3652 OPENSSL_free(sess->der);
3653 OPENSSL_free(sess);
3654 return;
3655 }
3656 prev = sess;
3657 }
3658}
3659
3660static void init_session_cache_ctx(SSL_CTX *sctx)
3661{
3662 SSL_CTX_set_session_cache_mode(sctx,
3663 SSL_SESS_CACHE_NO_INTERNAL |
3664 SSL_SESS_CACHE_SERVER);
3665 SSL_CTX_sess_set_new_cb(sctx, add_session);
3666 SSL_CTX_sess_set_get_cb(sctx, get_session);
3667 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3668}
3669
3670static void free_sessions(void)
3671{
3672 simple_ssl_session *sess, *tsess;
3673 for (sess = first; sess;) {
3674 OPENSSL_free(sess->id);
3675 OPENSSL_free(sess->der);
3676 tsess = sess;
3677 sess = sess->next;
3678 OPENSSL_free(tsess);
3679 }
3680 first = NULL;
3681}
3682
3683#endif /* OPENSSL_NO_SOCK */
注意: 瀏覽 TracBrowser 來幫助您使用儲存庫瀏覽器

© 2025 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette