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Only dump session data after we have received it
[thirdparty/openssl.git] / apps / s_server.c
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846e33c7 1/*
6738bf14 2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
aa8f3d76 3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
c80149d9 4 * Copyright 2005 Nokia. All rights reserved.
a661b653 5 *
846e33c7
RS
6 * Licensed under the OpenSSL license (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
a661b653 10 */
846e33c7 11
ddac1974 12#include <ctype.h>
8c197cc5
UM
13#include <stdio.h>
14#include <stdlib.h>
15#include <string.h>
54463e4f
F
16#if defined(_WIN32)
17/* Included before async.h to avoid some warnings */
18# include <windows.h>
19#endif
4d8743f4 20
be1bd923 21#include <openssl/e_os2.h>
54463e4f
F
22#include <openssl/async.h>
23#include <openssl/ssl.h>
8c197cc5 24
f9e55034
MC
25#ifndef OPENSSL_NO_SOCK
26
0f113f3e
MC
27/*
28 * With IPv6, it looks like Digital has mixed up the proper order of
29 * recursive header file inclusion, resulting in the compiler complaining
30 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
31 * needed to have fileno() declared correctly... So let's define u_int
32 */
bc36ee62 33#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
0f113f3e 34# define __U_INT
7d7d2cbc
UM
35typedef unsigned int u_int;
36#endif
37
ec577822 38#include <openssl/bn.h>
d02b48c6 39#include "apps.h"
dab2cd68 40#include "progs.h"
ec577822
BM
41#include <openssl/err.h>
42#include <openssl/pem.h>
43#include <openssl/x509.h>
44#include <openssl/ssl.h>
1372965e 45#include <openssl/rand.h>
67c8e7f4 46#include <openssl/ocsp.h>
3eeaab4b 47#ifndef OPENSSL_NO_DH
0f113f3e 48# include <openssl/dh.h>
3eeaab4b
NL
49#endif
50#ifndef OPENSSL_NO_RSA
0f113f3e 51# include <openssl/rsa.h>
3eeaab4b 52#endif
edc032b5 53#ifndef OPENSSL_NO_SRP
0f113f3e 54# include <openssl/srp.h>
edc032b5 55#endif
d02b48c6 56#include "s_apps.h"
36d16f8e 57#include "timeouts.h"
5fd1478d
MC
58#ifdef CHARSET_EBCDIC
59#include <openssl/ebcdic.h>
60#endif
0e97f1e1 61#include "internal/sockets.h"
d02b48c6 62
7c2d4fee 63static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
72d0bc84
MC
64static int sv_body(int s, int stype, int prot, unsigned char *context);
65static int www_body(int s, int stype, int prot, unsigned char *context);
66static int rev_body(int s, int stype, int prot, unsigned char *context);
0f113f3e 67static void close_accept_socket(void);
d02b48c6 68static int init_ssl_connection(SSL *s);
0f113f3e 69static void print_stats(BIO *bp, SSL_CTX *ctx);
ae3947de 70static int generate_session_id(SSL *ssl, unsigned char *id,
0f113f3e 71 unsigned int *id_len);
35b0ea4e
DSH
72static void init_session_cache_ctx(SSL_CTX *sctx);
73static void free_sessions(void);
cf1b7d96 74#ifndef OPENSSL_NO_DH
eb3eab20 75static DH *load_dh_param(const char *dhfile);
58964a49 76#endif
ade1e888 77static void print_connection_info(SSL *con);
ea262260 78
d6073e27 79static const int bufsize = 16 * 1024;
0f113f3e 80static int accept_socket = -1;
d02b48c6 81
0f113f3e 82#define TEST_CERT "server.pem"
e481f9b9 83#define TEST_CERT2 "server2.pem"
d02b48c6 84
0f113f3e 85static int s_nbio = 0;
0f113f3e 86static int s_nbio_test = 0;
df2ee0e2 87static int s_crlf = 0;
0f113f3e 88static SSL_CTX *ctx = NULL;
0f113f3e 89static SSL_CTX *ctx2 = NULL;
0f113f3e 90static int www = 0;
d02b48c6 91
0f113f3e 92static BIO *bio_s_out = NULL;
93ab9e42 93static BIO *bio_s_msg = NULL;
0f113f3e 94static int s_debug = 0;
0f113f3e 95static int s_tlsextdebug = 0;
0f113f3e
MC
96static int s_msg = 0;
97static int s_quiet = 0;
98static int s_ign_eof = 0;
99static int s_brief = 0;
d02b48c6 100
0f113f3e
MC
101static char *keymatexportlabel = NULL;
102static int keymatexportlen = 20;
e0af0405 103
7e25dd6d
MC
104static int async = 0;
105
0f113f3e 106static const char *session_id_prefix = NULL;
b74ba295 107
a7a14a23 108#ifndef OPENSSL_NO_DTLS
36d16f8e 109static int enable_timeouts = 0;
b1277b99 110static long socket_mtu;
f2ff1432 111#endif
36d16f8e 112
9998b32c
MC
113/*
114 * We define this but make it always be 0 in no-dtls builds to simplify the
115 * code.
116 */
117static int dtlslisten = 0;
c2f9648d 118static int stateless = 0;
9998b32c 119
593a2aa3 120static int early_data = 0;
df894947 121static SSL_SESSION *psksess = NULL;
593a2aa3 122
720b6cbe 123static char *psk_identity = "Client_identity";
0f113f3e 124char *psk_key = NULL; /* by default PSK is not used */
ddac1974 125
14e35350 126#ifndef OPENSSL_NO_PSK
ddac1974 127static unsigned int psk_server_cb(SSL *ssl, const char *identity,
0f113f3e
MC
128 unsigned char *psk,
129 unsigned int max_psk_len)
130{
6ec6d520
DSH
131 long key_len = 0;
132 unsigned char *key;
0f113f3e
MC
133
134 if (s_debug)
135 BIO_printf(bio_s_out, "psk_server_cb\n");
2234212c 136 if (identity == NULL) {
0f113f3e
MC
137 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
138 goto out_err;
139 }
140 if (s_debug)
141 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
11abf922 142 (int)strlen(identity), identity);
0f113f3e
MC
143
144 /* here we could lookup the given identity e.g. from a database */
145 if (strcmp(identity, psk_identity) != 0) {
720b6cbe 146 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
0f113f3e 147 " (got '%s' expected '%s')\n", identity, psk_identity);
720b6cbe
DKG
148 } else {
149 if (s_debug)
0f113f3e 150 BIO_printf(bio_s_out, "PSK client identity found\n");
720b6cbe 151 }
0f113f3e
MC
152
153 /* convert the PSK key to binary */
6ec6d520
DSH
154 key = OPENSSL_hexstr2buf(psk_key, &key_len);
155 if (key == NULL) {
156 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
0f113f3e 157 psk_key);
0f113f3e
MC
158 return 0;
159 }
6ec6d520 160 if (key_len > (int)max_psk_len) {
0f113f3e 161 BIO_printf(bio_err,
6ec6d520
DSH
162 "psk buffer of callback is too small (%d) for key (%ld)\n",
163 max_psk_len, key_len);
164 OPENSSL_free(key);
0f113f3e
MC
165 return 0;
166 }
167
6ec6d520
DSH
168 memcpy(psk, key, key_len);
169 OPENSSL_free(key);
0f113f3e
MC
170
171 if (s_debug)
6ec6d520
DSH
172 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
173 return key_len;
ddac1974 174 out_err:
0f113f3e
MC
175 if (s_debug)
176 BIO_printf(bio_err, "Error in PSK server callback\n");
c54cc2b1
RS
177 (void)BIO_flush(bio_err);
178 (void)BIO_flush(bio_s_out);
0f113f3e
MC
179 return 0;
180}
ddac1974 181#endif
36d16f8e 182
5ffff599
MC
183#define TLS13_AES_128_GCM_SHA256_BYTES ((const unsigned char *)"\x13\x01")
184#define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02")
185
df894947
MC
186static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
187 size_t identity_len, SSL_SESSION **sess)
188{
5ffff599
MC
189 SSL_SESSION *tmpsess = NULL;
190 unsigned char *key;
191 long key_len;
192 const SSL_CIPHER *cipher = NULL;
193
df894947
MC
194 if (strlen(psk_identity) != identity_len
195 || memcmp(psk_identity, identity, identity_len) != 0)
196 return 0;
197
5ffff599
MC
198 if (psksess != NULL) {
199 SSL_SESSION_up_ref(psksess);
200 *sess = psksess;
201 return 1;
202 }
203
204 key = OPENSSL_hexstr2buf(psk_key, &key_len);
205 if (key == NULL) {
206 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
207 psk_key);
208 return 0;
209 }
210
e73c6eae
MC
211 /* We default to SHA256 */
212 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
5ffff599 213 if (cipher == NULL) {
e73c6eae 214 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
fbccfedf 215 OPENSSL_free(key);
5ffff599
MC
216 return 0;
217 }
218
219 tmpsess = SSL_SESSION_new();
220 if (tmpsess == NULL
221 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
222 || !SSL_SESSION_set_cipher(tmpsess, cipher)
223 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
224 OPENSSL_free(key);
225 return 0;
226 }
227 OPENSSL_free(key);
228 *sess = tmpsess;
df894947
MC
229
230 return 1;
231}
232
edc032b5
BL
233#ifndef OPENSSL_NO_SRP
234/* This is a context that we pass to callbacks */
0f113f3e
MC
235typedef struct srpsrvparm_st {
236 char *login;
237 SRP_VBASE *vb;
238 SRP_user_pwd *user;
239} srpsrvparm;
1fb6b0bf 240static srpsrvparm srp_callback_parm;
0f113f3e
MC
241
242/*
243 * This callback pretends to require some asynchronous logic in order to
244 * obtain a verifier. When the callback is called for a new connection we
245 * return with a negative value. This will provoke the accept etc to return
246 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
247 * (which would normally occur after a worker has finished) and we set the
248 * user parameters.
249 */
6d23cf97 250static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC
251{
252 srpsrvparm *p = (srpsrvparm *) arg;
380f18ed
EK
253 int ret = SSL3_AL_FATAL;
254
0f113f3e
MC
255 if (p->login == NULL && p->user == NULL) {
256 p->login = SSL_get_srp_username(s);
257 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
26a7d938 258 return -1;
0f113f3e
MC
259 }
260
261 if (p->user == NULL) {
262 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
380f18ed 263 goto err;
0f113f3e 264 }
380f18ed 265
0f113f3e
MC
266 if (SSL_set_srp_server_param
267 (s, p->user->N, p->user->g, p->user->s, p->user->v,
268 p->user->info) < 0) {
269 *ad = SSL_AD_INTERNAL_ERROR;
380f18ed 270 goto err;
0f113f3e
MC
271 }
272 BIO_printf(bio_err,
273 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
274 p->login, p->user->info);
380f18ed
EK
275 ret = SSL_ERROR_NONE;
276
d6073e27 277 err:
380f18ed 278 SRP_user_pwd_free(p->user);
0f113f3e
MC
279 p->user = NULL;
280 p->login = NULL;
380f18ed 281 return ret;
0f113f3e 282}
edc032b5
BL
283
284#endif
285
0f113f3e 286static int local_argc = 0;
d02b48c6 287static char **local_argv;
d02b48c6 288
a53955d8
UM
289#ifdef CHARSET_EBCDIC
290static int ebcdic_new(BIO *bi);
291static int ebcdic_free(BIO *a);
292static int ebcdic_read(BIO *b, char *out, int outl);
0fd05a2f
BM
293static int ebcdic_write(BIO *b, const char *in, int inl);
294static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
a53955d8 295static int ebcdic_gets(BIO *bp, char *buf, int size);
0fd05a2f 296static int ebcdic_puts(BIO *bp, const char *str);
a53955d8 297
0f113f3e 298# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
5fd1478d 299static BIO_METHOD *methods_ebcdic = NULL;
0f113f3e 300
68dc6824 301/* This struct is "unwarranted chumminess with the compiler." */
0f113f3e
MC
302typedef struct {
303 size_t alloced;
304 char buff[1];
a53955d8
UM
305} EBCDIC_OUTBUFF;
306
5fd1478d 307static const BIO_METHOD *BIO_f_ebcdic_filter()
a53955d8 308{
5fd1478d
MC
309 if (methods_ebcdic == NULL) {
310 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
d6073e27
F
311 "EBCDIC/ASCII filter");
312 if (methods_ebcdic == NULL
5fd1478d
MC
313 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
314 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
315 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
316 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
317 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
318 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
319 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
320 return NULL;
321 }
322 return methods_ebcdic;
a53955d8
UM
323}
324
325static int ebcdic_new(BIO *bi)
326{
0f113f3e 327 EBCDIC_OUTBUFF *wbuf;
a53955d8 328
b4faea50 329 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
0f113f3e
MC
330 wbuf->alloced = 1024;
331 wbuf->buff[0] = '\0';
a53955d8 332
5fd1478d
MC
333 BIO_set_data(bi, wbuf);
334 BIO_set_init(bi, 1);
335 return 1;
a53955d8
UM
336}
337
338static int ebcdic_free(BIO *a)
339{
5fd1478d
MC
340 EBCDIC_OUTBUFF *wbuf;
341
0f113f3e 342 if (a == NULL)
5fd1478d
MC
343 return 0;
344 wbuf = BIO_get_data(a);
345 OPENSSL_free(wbuf);
346 BIO_set_data(a, NULL);
347 BIO_set_init(a, 0);
348
349 return 1;
a53955d8 350}
0f113f3e 351
a53955d8
UM
352static int ebcdic_read(BIO *b, char *out, int outl)
353{
0f113f3e 354 int ret = 0;
5fd1478d 355 BIO *next = BIO_next(b);
a53955d8 356
0f113f3e 357 if (out == NULL || outl == 0)
26a7d938 358 return 0;
5fd1478d 359 if (next == NULL)
26a7d938 360 return 0;
a53955d8 361
5fd1478d 362 ret = BIO_read(next, out, outl);
0f113f3e
MC
363 if (ret > 0)
364 ascii2ebcdic(out, out, ret);
5fd1478d 365 return ret;
a53955d8
UM
366}
367
0fd05a2f 368static int ebcdic_write(BIO *b, const char *in, int inl)
a53955d8 369{
0f113f3e 370 EBCDIC_OUTBUFF *wbuf;
5fd1478d 371 BIO *next = BIO_next(b);
0f113f3e
MC
372 int ret = 0;
373 int num;
a53955d8 374
0f113f3e 375 if ((in == NULL) || (inl <= 0))
26a7d938 376 return 0;
5fd1478d
MC
377 if (next == NULL)
378 return 0;
a53955d8 379
5fd1478d 380 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
a53955d8 381
0f113f3e
MC
382 if (inl > (num = wbuf->alloced)) {
383 num = num + num; /* double the size */
384 if (num < inl)
385 num = inl;
5fd1478d 386 OPENSSL_free(wbuf);
b4faea50 387 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
a53955d8 388
0f113f3e
MC
389 wbuf->alloced = num;
390 wbuf->buff[0] = '\0';
a53955d8 391
5fd1478d 392 BIO_set_data(b, wbuf);
0f113f3e 393 }
a53955d8 394
0f113f3e 395 ebcdic2ascii(wbuf->buff, in, inl);
a53955d8 396
5fd1478d 397 ret = BIO_write(next, wbuf->buff, inl);
a53955d8 398
26a7d938 399 return ret;
a53955d8
UM
400}
401
0fd05a2f 402static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
a53955d8 403{
0f113f3e 404 long ret;
5fd1478d 405 BIO *next = BIO_next(b);
0f113f3e 406
5fd1478d 407 if (next == NULL)
26a7d938 408 return 0;
0f113f3e
MC
409 switch (cmd) {
410 case BIO_CTRL_DUP:
411 ret = 0L;
412 break;
413 default:
5fd1478d 414 ret = BIO_ctrl(next, cmd, num, ptr);
0f113f3e
MC
415 break;
416 }
26a7d938 417 return ret;
a53955d8
UM
418}
419
420static int ebcdic_gets(BIO *bp, char *buf, int size)
421{
0f113f3e 422 int i, ret = 0;
5fd1478d
MC
423 BIO *next = BIO_next(bp);
424
425 if (next == NULL)
426 return 0;
0f113f3e
MC
427/* return(BIO_gets(bp->next_bio,buf,size));*/
428 for (i = 0; i < size - 1; ++i) {
429 ret = ebcdic_read(bp, &buf[i], 1);
430 if (ret <= 0)
431 break;
432 else if (buf[i] == '\n') {
433 ++i;
434 break;
435 }
436 }
437 if (i < size)
438 buf[i] = '\0';
439 return (ret < 0 && i == 0) ? ret : i;
a53955d8
UM
440}
441
0fd05a2f 442static int ebcdic_puts(BIO *bp, const char *str)
a53955d8 443{
5fd1478d
MC
444 if (BIO_next(bp) == NULL)
445 return 0;
0f113f3e 446 return ebcdic_write(bp, str, strlen(str));
a53955d8
UM
447}
448#endif
449
ed3883d2
BM
450/* This is a context that we pass to callbacks */
451typedef struct tlsextctx_st {
0f113f3e
MC
452 char *servername;
453 BIO *biodebug;
454 int extension_error;
ed3883d2
BM
455} tlsextctx;
456
6d23cf97 457static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC
458{
459 tlsextctx *p = (tlsextctx *) arg;
460 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
0d68367a
RS
461
462 if (servername != NULL && p->biodebug != NULL) {
463 const char *cp = servername;
464 unsigned char uc;
465
466 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
467 while ((uc = *cp++) != 0)
468 BIO_printf(p->biodebug,
469 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
470 BIO_printf(p->biodebug, "\"\n");
471 }
0f113f3e 472
2234212c 473 if (p->servername == NULL)
0f113f3e
MC
474 return SSL_TLSEXT_ERR_NOACK;
475
2234212c 476 if (servername != NULL) {
0f113f3e
MC
477 if (strcasecmp(servername, p->servername))
478 return p->extension_error;
2234212c 479 if (ctx2 != NULL) {
0f113f3e
MC
480 BIO_printf(p->biodebug, "Switching server context.\n");
481 SSL_set_SSL_CTX(s, ctx2);
482 }
483 }
484 return SSL_TLSEXT_ERR_OK;
ed3883d2 485}
67c8e7f4
DSH
486
487/* Structure passed to cert status callback */
67c8e7f4 488typedef struct tlsextstatusctx_st {
f5ca0b04 489 int timeout;
acf65ae5
MC
490 /* File to load OCSP Response from (or NULL if no file) */
491 char *respin;
0f113f3e
MC
492 /* Default responder to use */
493 char *host, *path, *port;
494 int use_ssl;
0f113f3e 495 int verbose;
67c8e7f4
DSH
496} tlsextstatusctx;
497
f5ca0b04 498static tlsextstatusctx tlscstatp = { -1 };
67c8e7f4 499
3e41ac35 500#ifndef OPENSSL_NO_OCSP
acf65ae5 501
0f113f3e 502/*
acf65ae5
MC
503 * Helper function to get an OCSP_RESPONSE from a responder. This is a
504 * simplified version. It examines certificates each time and makes one OCSP
505 * responder query for each request. A full version would store details such as
506 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
507 * them until they were considered "expired".
67c8e7f4 508 */
acf65ae5
MC
509static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
510 OCSP_RESPONSE **resp)
0f113f3e 511{
4c9b0a03 512 char *host = NULL, *port = NULL, *path = NULL;
0f113f3e 513 int use_ssl;
0f113f3e
MC
514 STACK_OF(OPENSSL_STRING) *aia = NULL;
515 X509 *x = NULL;
f0e0fd51
RS
516 X509_STORE_CTX *inctx = NULL;
517 X509_OBJECT *obj;
0f113f3e 518 OCSP_REQUEST *req = NULL;
0f113f3e
MC
519 OCSP_CERTID *id = NULL;
520 STACK_OF(X509_EXTENSION) *exts;
521 int ret = SSL_TLSEXT_ERR_NOACK;
522 int i;
7e1b7485 523
0f113f3e
MC
524 /* Build up OCSP query from server certificate */
525 x = SSL_get_certificate(s);
526 aia = X509_get1_ocsp(x);
2234212c 527 if (aia != NULL) {
0f113f3e
MC
528 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
529 &host, &port, &path, &use_ssl)) {
7e1b7485 530 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
0f113f3e
MC
531 goto err;
532 }
533 if (srctx->verbose)
7e1b7485 534 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
0f113f3e
MC
535 sk_OPENSSL_STRING_value(aia, 0));
536 } else {
2234212c 537 if (srctx->host == NULL) {
7e1b7485 538 BIO_puts(bio_err,
0f113f3e
MC
539 "cert_status: no AIA and no default responder URL\n");
540 goto done;
541 }
542 host = srctx->host;
543 path = srctx->path;
544 port = srctx->port;
545 use_ssl = srctx->use_ssl;
546 }
547
f0e0fd51
RS
548 inctx = X509_STORE_CTX_new();
549 if (inctx == NULL)
550 goto err;
551 if (!X509_STORE_CTX_init(inctx,
0f113f3e
MC
552 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
553 NULL, NULL))
554 goto err;
6ddbb4cd
RS
555 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
556 X509_get_issuer_name(x));
f0e0fd51 557 if (obj == NULL) {
7e1b7485 558 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
0f113f3e
MC
559 goto done;
560 }
f0e0fd51
RS
561 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
562 X509_OBJECT_free(obj);
2234212c 563 if (id == NULL)
0f113f3e 564 goto err;
0461b7ea
MC
565 req = OCSP_REQUEST_new();
566 if (req == NULL)
567 goto err;
0f113f3e
MC
568 if (!OCSP_request_add0_id(req, id))
569 goto err;
570 id = NULL;
571 /* Add any extensions to the request */
572 SSL_get_tlsext_status_exts(s, &exts);
573 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
574 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
575 if (!OCSP_REQUEST_add_ext(req, ext, -1))
576 goto err;
577 }
acf65ae5 578 *resp = process_responder(req, host, path, port, use_ssl, NULL,
0f113f3e 579 srctx->timeout);
acf65ae5 580 if (*resp == NULL) {
7e1b7485 581 BIO_puts(bio_err, "cert_status: error querying responder\n");
0f113f3e
MC
582 goto done;
583 }
acf65ae5 584
0f113f3e 585 ret = SSL_TLSEXT_ERR_OK;
f0e0fd51
RS
586 goto done;
587
588 err:
589 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
0f113f3e 590 done:
6530c490
MC
591 /*
592 * If we parsed aia we need to free; otherwise they were copied and we
593 * don't
594 */
f5ca0b04 595 if (aia != NULL) {
0f113f3e
MC
596 OPENSSL_free(host);
597 OPENSSL_free(path);
598 OPENSSL_free(port);
599 X509_email_free(aia);
600 }
25aaa98a
RS
601 OCSP_CERTID_free(id);
602 OCSP_REQUEST_free(req);
f0e0fd51 603 X509_STORE_CTX_free(inctx);
0f113f3e 604 return ret;
0f113f3e 605}
acf65ae5
MC
606
607/*
608 * Certificate Status callback. This is called when a client includes a
609 * certificate status request extension. The response is either obtained from a
610 * file, or from an OCSP responder.
611 */
612static int cert_status_cb(SSL *s, void *arg)
613{
614 tlsextstatusctx *srctx = arg;
615 OCSP_RESPONSE *resp = NULL;
616 unsigned char *rspder = NULL;
617 int rspderlen;
618 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
619
620 if (srctx->verbose)
621 BIO_puts(bio_err, "cert_status: callback called\n");
622
623 if (srctx->respin != NULL) {
624 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
625 if (derbio == NULL) {
626 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
627 goto err;
628 }
629 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
630 BIO_free(derbio);
f5ca0b04 631 if (resp == NULL) {
acf65ae5
MC
632 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
633 goto err;
634 }
635 } else {
636 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
637 if (ret != SSL_TLSEXT_ERR_OK)
638 goto err;
639 }
640
641 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
642 if (rspderlen <= 0)
643 goto err;
644
645 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
646 if (srctx->verbose) {
647 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
648 OCSP_RESPONSE_print(bio_err, resp, 2);
649 }
650
651 ret = SSL_TLSEXT_ERR_OK;
652
653 err:
654 if (ret != SSL_TLSEXT_ERR_OK)
655 ERR_print_errors(bio_err);
656
657 OCSP_RESPONSE_free(resp);
658
659 return ret;
660}
3e41ac35 661#endif
ee2ffc27 662
e481f9b9 663#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL
664/* This is the context that we pass to next_proto_cb */
665typedef struct tlsextnextprotoctx_st {
0f113f3e 666 unsigned char *data;
f2ff1432 667 size_t len;
ee2ffc27
BL
668} tlsextnextprotoctx;
669
0f113f3e
MC
670static int next_proto_cb(SSL *s, const unsigned char **data,
671 unsigned int *len, void *arg)
672{
673 tlsextnextprotoctx *next_proto = arg;
ee2ffc27 674
0f113f3e
MC
675 *data = next_proto->data;
676 *len = next_proto->len;
ee2ffc27 677
0f113f3e
MC
678 return SSL_TLSEXT_ERR_OK;
679}
e481f9b9 680#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
6f017a8f
AL
681
682/* This the context that we pass to alpn_cb */
683typedef struct tlsextalpnctx_st {
0f113f3e 684 unsigned char *data;
817cd0d5 685 size_t len;
6f017a8f
AL
686} tlsextalpnctx;
687
0f113f3e
MC
688static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
689 const unsigned char *in, unsigned int inlen, void *arg)
690{
691 tlsextalpnctx *alpn_ctx = arg;
692
693 if (!s_quiet) {
694 /* We can assume that |in| is syntactically valid. */
817cd0d5 695 unsigned int i;
0f113f3e
MC
696 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
697 for (i = 0; i < inlen;) {
698 if (i)
699 BIO_write(bio_s_out, ", ", 2);
700 BIO_write(bio_s_out, &in[i + 1], in[i]);
701 i += in[i] + 1;
702 }
703 BIO_write(bio_s_out, "\n", 1);
704 }
705
706 if (SSL_select_next_proto
707 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
708 inlen) != OPENSSL_NPN_NEGOTIATED) {
709 return SSL_TLSEXT_ERR_NOACK;
710 }
711
712 if (!s_quiet) {
713 BIO_printf(bio_s_out, "ALPN protocols selected: ");
714 BIO_write(bio_s_out, *out, *outlen);
715 BIO_write(bio_s_out, "\n", 1);
716 }
717
718 return SSL_TLSEXT_ERR_OK;
719}
ed3883d2 720
7c2d4fee 721static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
0f113f3e
MC
722{
723 /* disable resumption for sessions with forward secure ciphers */
724 return is_forward_secure;
725}
7c2d4fee 726
7e1b7485 727typedef enum OPTION_choice {
ab69ac00
RL
728 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
729 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
a7c04f2b 730 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
7e1b7485
RS
731 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
732 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
733 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
2b6bcb70 734 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
7e1b7485 735 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
2b6bcb70
MC
736 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
737 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
738 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
acf65ae5
MC
739 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
740 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
741 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
df894947
MC
742 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
743 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
744 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
28e5ea88 745 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
582a17d6 746 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
c2f9648d 747 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
3ee1eac2 748 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
dba31777 749 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
7e1b7485 750 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
394159da 751 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_EARLY_DATA, OPT_S_NUM_TICKETS,
3ee1eac2 752 OPT_R_ENUM,
7e1b7485
RS
753 OPT_S_ENUM,
754 OPT_V_ENUM,
5561419a 755 OPT_X_ENUM
7e1b7485
RS
756} OPTION_CHOICE;
757
44c83ebd 758const OPTIONS s_server_options[] = {
7e1b7485 759 {"help", OPT_HELP, '-', "Display this summary"},
32eabe34
MR
760 {"port", OPT_PORT, 'p',
761 "TCP/IP port to listen on for connections (default is " PORT ")"},
ab69ac00 762 {"accept", OPT_ACCEPT, 's',
a22f9c84 763 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
ab69ac00 764#ifdef AF_UNIX
7e1b7485 765 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
ab69ac00
RL
766#endif
767 {"4", OPT_4, '-', "Use IPv4 only"},
768 {"6", OPT_6, '-', "Use IPv6 only"},
32eabe34 769#ifdef AF_UNIX
7e1b7485 770 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
32eabe34 771#endif
7e1b7485
RS
772 {"context", OPT_CONTEXT, 's', "Set session ID context"},
773 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
774 {"Verify", OPT_UPPER_V_VERIFY, 'n',
775 "Turn on peer certificate verification, must have a cert"},
776 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
a7c04f2b 777 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
ceab33e2 778 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
7e1b7485
RS
779 {"serverinfo", OPT_SERVERINFO, 's',
780 "PEM serverinfo file for certificate"},
7e1b7485
RS
781 {"certform", OPT_CERTFORM, 'F',
782 "Certificate format (PEM or DER) PEM default"},
75c445e4 783 {"key", OPT_KEY, 's',
7e1b7485
RS
784 "Private Key if not in -cert; default is " TEST_CERT},
785 {"keyform", OPT_KEYFORM, 'f',
786 "Key format (PEM, DER or ENGINE) PEM default"},
787 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
788 {"dcert", OPT_DCERT, '<',
789 "Second certificate file to use (usually for DSA)"},
51ac8270 790 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
7e1b7485
RS
791 {"dcertform", OPT_DCERTFORM, 'F',
792 "Second certificate format (PEM or DER) PEM default"},
793 {"dkey", OPT_DKEY, '<',
794 "Second private key file to use (usually for DSA)"},
795 {"dkeyform", OPT_DKEYFORM, 'F',
796 "Second key format (PEM, DER or ENGINE) PEM default"},
797 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
7e1b7485
RS
798 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
799 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
800 {"debug", OPT_DEBUG, '-', "Print more output"},
801 {"msg", OPT_MSG, '-', "Show protocol messages"},
32eabe34
MR
802 {"msgfile", OPT_MSGFILE, '>',
803 "File to send output of -msg or -trace, instead of stdout"},
7e1b7485 804 {"state", OPT_STATE, '-', "Print the SSL states"},
7e1b7485 805 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
2b6bcb70
MC
806 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
807 {"no-CAfile", OPT_NOCAFILE, '-',
808 "Do not load the default certificates file"},
809 {"no-CApath", OPT_NOCAPATH, '-',
810 "Do not load certificates from the default certificates directory"},
7e1b7485
RS
811 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
812 {"quiet", OPT_QUIET, '-', "No server output"},
7e1b7485
RS
813 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
814 "Disable caching and tickets if ephemeral (EC)DH is used"},
815 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
816 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
7e1b7485
RS
817 {"servername", OPT_SERVERNAME, 's',
818 "Servername for HostName TLS extension"},
819 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
820 "mismatch send fatal alert (default warning alert)"},
821 {"cert2", OPT_CERT2, '<',
822 "Certificate file to use for servername; default is" TEST_CERT2},
823 {"key2", OPT_KEY2, '<',
824 "-Private Key file to use for servername if not in -cert2"},
825 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
826 "Hex dump of all TLS extensions received"},
ceab33e2 827 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
9c3bcfa0
RS
828 {"id_prefix", OPT_ID_PREFIX, 's',
829 "Generate SSL/TLS session IDs prefixed by arg"},
3ee1eac2 830 OPT_R_OPTIONS,
7e1b7485
RS
831 {"keymatexport", OPT_KEYMATEXPORT, 's',
832 "Export keying material using label"},
833 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
834 "Export len bytes of keying material (default 20)"},
32eabe34
MR
835 {"CRL", OPT_CRL, '<', "CRL file to use"},
836 {"crl_download", OPT_CRL_DOWNLOAD, '-',
837 "Download CRL from distribution points"},
838 {"cert_chain", OPT_CERT_CHAIN, '<',
839 "certificate chain file in PEM format"},
840 {"dcert_chain", OPT_DCERT_CHAIN, '<',
841 "second certificate chain file in PEM format"},
842 {"chainCApath", OPT_CHAINCAPATH, '/',
843 "use dir as certificate store path to build CA certificate chain"},
844 {"verifyCApath", OPT_VERIFYCAPATH, '/',
845 "use dir as certificate store path to verify CA certificate"},
846 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
847 {"ext_cache", OPT_EXT_CACHE, '-',
848 "Disable internal cache, setup and use external cache"},
d6073e27 849 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
32eabe34
MR
850 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
851 "Close connection on verification error"},
852 {"verify_quiet", OPT_VERIFY_QUIET, '-',
853 "No verify output except verify errors"},
854 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
855 {"chainCAfile", OPT_CHAINCAFILE, '<',
856 "CA file for certificate chain (PEM format)"},
857 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
858 "CA file for certificate verification (PEM format)"},
859 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
860 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
3e41ac35 861#ifndef OPENSSL_NO_OCSP
32eabe34
MR
862 {"status", OPT_STATUS, '-', "Request certificate status from server"},
863 {"status_verbose", OPT_STATUS_VERBOSE, '-',
864 "Print more output in certificate status callback"},
865 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
866 "Status request responder timeout"},
867 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
acf65ae5
MC
868 {"status_file", OPT_STATUS_FILE, '<',
869 "File containing DER encoded OCSP Response"},
3e41ac35 870#endif
32eabe34
MR
871#ifndef OPENSSL_NO_SSL_TRACE
872 {"trace", OPT_TRACE, '-', "trace protocol messages"},
873#endif
874 {"security_debug", OPT_SECURITY_DEBUG, '-',
875 "Print output from SSL/TLS security framework"},
876 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
877 "Print more output from SSL/TLS security framework"},
d6073e27 878 {"brief", OPT_BRIEF, '-',
32eabe34
MR
879 "Restrict output to brief summary of connection parameters"},
880 {"rev", OPT_REV, '-',
881 "act as a simple test server which just sends back with the received text reversed"},
7e25dd6d 882 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
d6073e27 883 {"ssl_config", OPT_SSL_CONFIG, 's',
32eabe34 884 "Configure SSL_CTX using the configuration 'val'"},
28e5ea88 885 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
36b2cfb1 886 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
0df80881 887 "Size used to split data for encrypt pipelines"},
36b2cfb1 888 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
032c6d21 889 "Maximum number of encrypt/decrypt pipelines to be used"},
36b2cfb1 890 {"read_buf", OPT_READ_BUF, 'p',
dad78fb1 891 "Default read buffer size to be used for connections"},
7e1b7485
RS
892 OPT_S_OPTIONS,
893 OPT_V_OPTIONS,
894 OPT_X_OPTIONS,
9c3bcfa0 895 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
720b6cbe 896 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
14e35350 897#ifndef OPENSSL_NO_PSK
9c3bcfa0 898 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
9c3bcfa0 899#endif
14e35350 900 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
df894947 901 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
9c3bcfa0
RS
902#ifndef OPENSSL_NO_SRP
903 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
904 {"srpuserseed", OPT_SRPUSERSEED, 's',
905 "A seed string for a default user salt"},
906#endif
907#ifndef OPENSSL_NO_SSL3
908 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
909#endif
6b01bed2
VD
910#ifndef OPENSSL_NO_TLS1
911 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
912#endif
913#ifndef OPENSSL_NO_TLS1_1
914 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
915#endif
916#ifndef OPENSSL_NO_TLS1_2
917 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
918#endif
582a17d6
MC
919#ifndef OPENSSL_NO_TLS1_3
920 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
921#endif
a5ecdc6a 922#ifndef OPENSSL_NO_DTLS
32eabe34 923 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
9c3bcfa0
RS
924 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
925 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
fd4e98ec
MC
926 {"listen", OPT_LISTEN, '-',
927 "Listen for a DTLS ClientHello with a cookie and then connect"},
9c3bcfa0 928#endif
c2f9648d 929 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
6b01bed2
VD
930#ifndef OPENSSL_NO_DTLS1
931 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
932#endif
933#ifndef OPENSSL_NO_DTLS1_2
934 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
935#endif
72d0bc84
MC
936#ifndef OPENSSL_NO_SCTP
937 {"sctp", OPT_SCTP, '-', "Use SCTP"},
938#endif
9c3bcfa0
RS
939#ifndef OPENSSL_NO_DH
940 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
941#endif
9c3bcfa0
RS
942#ifndef OPENSSL_NO_NEXTPROTONEG
943 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
944 "Set the advertised protocols for the NPN extension (comma-separated list)"},
945#endif
946#ifndef OPENSSL_NO_SRTP
e77bdc73 947 {"use_srtp", OPT_SRTP_PROFILES, 's',
9c3bcfa0 948 "Offer SRTP key management with a colon-separated profile list"},
b07c703f 949#endif
9c3bcfa0
RS
950 {"alpn", OPT_ALPN, 's',
951 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
9c3bcfa0 952#ifndef OPENSSL_NO_ENGINE
32eabe34 953 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
9c3bcfa0 954#endif
4bf73e9f 955 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
6746648c 956 {"max_early_data", OPT_MAX_EARLY, 'n',
048b1893 957 "The maximum number of bytes of early data"},
e0655186 958 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
394159da
MC
959 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
960 "The number of TLSv1.3 session tickets that a server will automatically issue" },
bde136c8 961 {NULL, OPT_EOF, 0, NULL}
7e1b7485
RS
962};
963
4bbd4ba6
MC
964#define IS_PROT_FLAG(o) \
965 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
582a17d6 966 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
4bbd4ba6 967
7e1b7485 968int s_server_main(int argc, char *argv[])
0f113f3e 969{
bde136c8 970 ENGINE *engine = NULL;
7e1b7485
RS
971 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
972 SSL_CONF_CTX *cctx = NULL;
32ec4153 973 const SSL_METHOD *meth = TLS_server_method();
7e1b7485
RS
974 SSL_EXCERT *exc = NULL;
975 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
976 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
977 STACK_OF(X509_CRL) *crls = NULL;
978 X509 *s_cert = NULL, *s_dcert = NULL;
0f113f3e 979 X509_VERIFY_PARAM *vpm = NULL;
cc696296 980 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
3ee1eac2 981 char *dpassarg = NULL, *dpass = NULL;
7e1b7485 982 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
a7f82a1a 983 char *crl_file = NULL, *prog;
ab69ac00 984#ifdef AF_UNIX
0f113f3e
MC
985 int unlink_unix_path = 0;
986#endif
a773b52a 987 do_server_cb server_cb;
7e1b7485 988 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
37f3a3b3 989#ifndef OPENSSL_NO_DH
54463e4f 990 char *dhfile = NULL;
37f3a3b3
DSH
991 int no_dhe = 0;
992#endif
8caab744 993 int nocert = 0, ret = 1;
2b6bcb70 994 int noCApath = 0, noCAfile = 0;
0f113f3e 995 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
0f113f3e 996 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
ab69ac00 997 int rev = 0, naccept = -1, sdebug = 0;
72d0bc84 998 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
7e1b7485 999 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
ab69ac00
RL
1000 char *host = NULL;
1001 char *port = BUF_strdup(PORT);
7e1b7485
RS
1002 unsigned char *context = NULL;
1003 OPTION_CHOICE o;
0f113f3e
MC
1004 EVP_PKEY *s_key2 = NULL;
1005 X509 *s_cert2 = NULL;
1006 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
287d0b94 1007 const char *ssl_config = NULL;
dad78fb1 1008 int read_buf_len = 0;
e481f9b9 1009#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC
1010 const char *next_proto_neg_in = NULL;
1011 tlsextnextprotoctx next_proto = { NULL, 0 };
e481f9b9 1012#endif
0f113f3e
MC
1013 const char *alpn_in = NULL;
1014 tlsextalpnctx alpn_ctx = { NULL, 0 };
ddac1974 1015#ifndef OPENSSL_NO_PSK
0f113f3e 1016 /* by default do not send a PSK identity hint */
f2ff1432 1017 char *psk_identity_hint = NULL;
ddac1974 1018#endif
14e35350 1019 char *p;
edc032b5 1020#ifndef OPENSSL_NO_SRP
0f113f3e
MC
1021 char *srpuserseed = NULL;
1022 char *srp_verifier_file = NULL;
edc032b5 1023#endif
dad88680 1024#ifndef OPENSSL_NO_SRTP
1fb6b0bf 1025 char *srtp_profiles = NULL;
dad88680 1026#endif
4bbd4ba6 1027 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
54463e4f
F
1028 int s_server_verify = SSL_VERIFY_NONE;
1029 int s_server_session_id_context = 1; /* anything will do */
1030 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1031 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1032 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
057c676a
RL
1033#ifndef OPENSSL_NO_OCSP
1034 int s_tlsextstatus = 0;
1035#endif
1036 int no_resume_ephemeral = 0;
28e5ea88 1037 unsigned int max_send_fragment = 0;
54463e4f
F
1038 unsigned int split_send_fragment = 0, max_pipelines = 0;
1039 const char *s_serverinfo_file = NULL;
4bf73e9f 1040 const char *keylog_file = NULL;
6746648c 1041 int max_early_data = -1;
df894947 1042 char *psksessf = NULL;
54463e4f
F
1043
1044 /* Init of few remaining global variables */
0f113f3e
MC
1045 local_argc = argc;
1046 local_argv = argv;
d02b48c6 1047
54463e4f
F
1048 ctx = ctx2 = NULL;
1049 s_nbio = s_nbio_test = 0;
1050 www = 0;
1051 bio_s_out = NULL;
1052 s_debug = 0;
1053 s_msg = 0;
1054 s_quiet = 0;
1055 s_brief = 0;
1056 async = 0;
1057
0f113f3e 1058 cctx = SSL_CONF_CTX_new();
7e1b7485
RS
1059 vpm = X509_VERIFY_PARAM_new();
1060 if (cctx == NULL || vpm == NULL)
0f113f3e 1061 goto end;
d6073e27
F
1062 SSL_CONF_CTX_set_flags(cctx,
1063 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
7e1b7485
RS
1064
1065 prog = opt_init(argc, argv, s_server_options);
1066 while ((o = opt_next()) != OPT_EOF) {
4bbd4ba6
MC
1067 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1068 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1069 goto end;
1070 }
1071 if (IS_NO_PROT_FLAG(o))
1072 no_prot_opt++;
1073 if (prot_opt == 1 && no_prot_opt) {
d6073e27
F
1074 BIO_printf(bio_err,
1075 "Cannot supply both a protocol flag and '-no_<prot>'\n");
4bbd4ba6
MC
1076 goto end;
1077 }
7e1b7485
RS
1078 switch (o) {
1079 case OPT_EOF:
1080 case OPT_ERR:
1081 opthelp:
1082 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1083 goto end;
1084 case OPT_HELP:
1085 opt_help(s_server_options);
1086 ret = 0;
1087 goto end;
0f113f3e 1088
ab69ac00
RL
1089 case OPT_4:
1090#ifdef AF_UNIX
1091 if (socket_family == AF_UNIX) {
1092 OPENSSL_free(host); host = NULL;
1093 OPENSSL_free(port); port = NULL;
1094 }
1095#endif
1096 socket_family = AF_INET;
1097 break;
1098 case OPT_6:
1099 if (1) {
1100#ifdef AF_INET6
1101#ifdef AF_UNIX
1102 if (socket_family == AF_UNIX) {
1103 OPENSSL_free(host); host = NULL;
1104 OPENSSL_free(port); port = NULL;
1105 }
1106#endif
1107 socket_family = AF_INET6;
1108 } else {
1109#endif
1110 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1111 goto end;
1112 }
1113 break;
7e1b7485 1114 case OPT_PORT:
ab69ac00
RL
1115#ifdef AF_UNIX
1116 if (socket_family == AF_UNIX) {
1117 socket_family = AF_UNSPEC;
1118 }
1119#endif
1120 OPENSSL_free(port); port = NULL;
1121 OPENSSL_free(host); host = NULL;
1122 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1123 BIO_printf(bio_err,
1124 "%s: -port argument malformed or ambiguous\n",
1125 port);
1126 goto end;
1127 }
1128 break;
1129 case OPT_ACCEPT:
1130#ifdef AF_UNIX
1131 if (socket_family == AF_UNIX) {
1132 socket_family = AF_UNSPEC;
1133 }
1134#endif
1135 OPENSSL_free(port); port = NULL;
1136 OPENSSL_free(host); host = NULL;
1137 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1138 BIO_printf(bio_err,
1139 "%s: -accept argument malformed or ambiguous\n",
1140 port);
7e1b7485 1141 goto end;
ab69ac00 1142 }
7e1b7485 1143 break;
ab69ac00 1144#ifdef AF_UNIX
7e1b7485 1145 case OPT_UNIX:
ab69ac00
RL
1146 socket_family = AF_UNIX;
1147 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1148 OPENSSL_free(port); port = NULL;
7e1b7485
RS
1149 break;
1150 case OPT_UNLINK:
0f113f3e 1151 unlink_unix_path = 1;
7e1b7485 1152 break;
ab69ac00 1153#endif
7e1b7485
RS
1154 case OPT_NACCEPT:
1155 naccept = atol(opt_arg());
1156 break;
1157 case OPT_VERIFY:
0f113f3e 1158 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
acc00492 1159 verify_args.depth = atoi(opt_arg());
0f113f3e 1160 if (!s_quiet)
acc00492 1161 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
7e1b7485
RS
1162 break;
1163 case OPT_UPPER_V_VERIFY:
0f113f3e
MC
1164 s_server_verify =
1165 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1166 SSL_VERIFY_CLIENT_ONCE;
acc00492 1167 verify_args.depth = atoi(opt_arg());
0f113f3e
MC
1168 if (!s_quiet)
1169 BIO_printf(bio_err,
1170 "verify depth is %d, must return a certificate\n",
acc00492 1171 verify_args.depth);
7e1b7485
RS
1172 break;
1173 case OPT_CONTEXT:
1174 context = (unsigned char *)opt_arg();
1175 break;
1176 case OPT_CERT:
1177 s_cert_file = opt_arg();
1178 break;
a7c04f2b
DB
1179 case OPT_NAMEOPT:
1180 if (!set_nameopt(opt_arg()))
1181 goto end;
1182 break;
7e1b7485
RS
1183 case OPT_CRL:
1184 crl_file = opt_arg();
1185 break;
1186 case OPT_CRL_DOWNLOAD:
0f113f3e 1187 crl_download = 1;
7e1b7485 1188 break;
7e1b7485
RS
1189 case OPT_SERVERINFO:
1190 s_serverinfo_file = opt_arg();
1191 break;
7e1b7485
RS
1192 case OPT_CERTFORM:
1193 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1194 goto opthelp;
1195 break;
1196 case OPT_KEY:
1197 s_key_file = opt_arg();
1198 break;
1199 case OPT_KEYFORM:
1200 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1201 goto opthelp;
1202 break;
1203 case OPT_PASS:
1204 passarg = opt_arg();
1205 break;
1206 case OPT_CERT_CHAIN:
1207 s_chain_file = opt_arg();
1208 break;
1209 case OPT_DHPARAM:
37f3a3b3 1210#ifndef OPENSSL_NO_DH
7e1b7485 1211 dhfile = opt_arg();
37f3a3b3 1212#endif
7e1b7485
RS
1213 break;
1214 case OPT_DCERTFORM:
1215 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1216 goto opthelp;
1217 break;
1218 case OPT_DCERT:
1219 s_dcert_file = opt_arg();
1220 break;
1221 case OPT_DKEYFORM:
1222 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1223 goto opthelp;
1224 break;
1225 case OPT_DPASS:
1226 dpassarg = opt_arg();
1227 break;
1228 case OPT_DKEY:
1229 s_dkey_file = opt_arg();
1230 break;
1231 case OPT_DCERT_CHAIN:
1232 s_dchain_file = opt_arg();
1233 break;
1234 case OPT_NOCERT:
0f113f3e 1235 nocert = 1;
7e1b7485
RS
1236 break;
1237 case OPT_CAPATH:
1238 CApath = opt_arg();
1239 break;
2b6bcb70
MC
1240 case OPT_NOCAPATH:
1241 noCApath = 1;
1242 break;
7e1b7485
RS
1243 case OPT_CHAINCAPATH:
1244 chCApath = opt_arg();
1245 break;
1246 case OPT_VERIFYCAPATH:
1247 vfyCApath = opt_arg();
1248 break;
1249 case OPT_NO_CACHE:
0f113f3e 1250 no_cache = 1;
7e1b7485
RS
1251 break;
1252 case OPT_EXT_CACHE:
0f113f3e 1253 ext_cache = 1;
7e1b7485
RS
1254 break;
1255 case OPT_CRLFORM:
1256 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1257 goto opthelp;
1258 break;
1259 case OPT_S_CASES:
394159da 1260 case OPT_S_NUM_TICKETS:
7e1b7485
RS
1261 if (ssl_args == NULL)
1262 ssl_args = sk_OPENSSL_STRING_new_null();
1263 if (ssl_args == NULL
1264 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1265 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1266 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1267 goto end;
1268 }
1269 break;
1270 case OPT_V_CASES:
1271 if (!opt_verify(o, vpm))
1272 goto end;
1273 vpmtouched++;
1274 break;
1275 case OPT_X_CASES:
1276 if (!args_excert(o, &exc))
1277 goto end;
1278 break;
1279 case OPT_VERIFY_RET_ERROR:
acc00492 1280 verify_args.return_error = 1;
7e1b7485
RS
1281 break;
1282 case OPT_VERIFY_QUIET:
acc00492 1283 verify_args.quiet = 1;
7e1b7485
RS
1284 break;
1285 case OPT_BUILD_CHAIN:
0f113f3e 1286 build_chain = 1;
7e1b7485
RS
1287 break;
1288 case OPT_CAFILE:
1289 CAfile = opt_arg();
1290 break;
2b6bcb70
MC
1291 case OPT_NOCAFILE:
1292 noCAfile = 1;
1293 break;
7e1b7485
RS
1294 case OPT_CHAINCAFILE:
1295 chCAfile = opt_arg();
1296 break;
1297 case OPT_VERIFYCAFILE:
1298 vfyCAfile = opt_arg();
1299 break;
1300 case OPT_NBIO:
0f113f3e 1301 s_nbio = 1;
7e1b7485
RS
1302 break;
1303 case OPT_NBIO_TEST:
1304 s_nbio = s_nbio_test = 1;
1305 break;
1306 case OPT_IGN_EOF:
0f113f3e 1307 s_ign_eof = 1;
7e1b7485
RS
1308 break;
1309 case OPT_NO_IGN_EOF:
0f113f3e 1310 s_ign_eof = 0;
7e1b7485
RS
1311 break;
1312 case OPT_DEBUG:
0f113f3e 1313 s_debug = 1;
7e1b7485 1314 break;
7e1b7485 1315 case OPT_TLSEXTDEBUG:
0f113f3e 1316 s_tlsextdebug = 1;
7e1b7485
RS
1317 break;
1318 case OPT_STATUS:
057c676a 1319#ifndef OPENSSL_NO_OCSP
0f113f3e 1320 s_tlsextstatus = 1;
057c676a 1321#endif
7e1b7485
RS
1322 break;
1323 case OPT_STATUS_VERBOSE:
057c676a 1324#ifndef OPENSSL_NO_OCSP
7e1b7485 1325 s_tlsextstatus = tlscstatp.verbose = 1;
057c676a 1326#endif
7e1b7485
RS
1327 break;
1328 case OPT_STATUS_TIMEOUT:
057c676a 1329#ifndef OPENSSL_NO_OCSP
0f113f3e 1330 s_tlsextstatus = 1;
7e1b7485 1331 tlscstatp.timeout = atoi(opt_arg());
057c676a 1332#endif
7e1b7485
RS
1333 break;
1334 case OPT_STATUS_URL:
3e41ac35 1335#ifndef OPENSSL_NO_OCSP
0f113f3e 1336 s_tlsextstatus = 1;
7e1b7485 1337 if (!OCSP_parse_url(opt_arg(),
0f113f3e
MC
1338 &tlscstatp.host,
1339 &tlscstatp.port,
1340 &tlscstatp.path, &tlscstatp.use_ssl)) {
1341 BIO_printf(bio_err, "Error parsing URL\n");
7e1b7485 1342 goto end;
0f113f3e 1343 }
acf65ae5
MC
1344#endif
1345 break;
1346 case OPT_STATUS_FILE:
1347#ifndef OPENSSL_NO_OCSP
1348 s_tlsextstatus = 1;
1349 tlscstatp.respin = opt_arg();
3e41ac35 1350#endif
7e1b7485 1351 break;
7e1b7485 1352 case OPT_MSG:
0f113f3e 1353 s_msg = 1;
7e1b7485
RS
1354 break;
1355 case OPT_MSGFILE:
1356 bio_s_msg = BIO_new_file(opt_arg(), "w");
1357 break;
7e1b7485 1358 case OPT_TRACE:
9c3bcfa0 1359#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e 1360 s_msg = 2;
0f113f3e 1361#endif
1c03c81f 1362 break;
7e1b7485 1363 case OPT_SECURITY_DEBUG:
0f113f3e 1364 sdebug = 1;
7e1b7485
RS
1365 break;
1366 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1367 sdebug = 2;
7e1b7485
RS
1368 break;
1369 case OPT_STATE:
0f113f3e 1370 state = 1;
7e1b7485
RS
1371 break;
1372 case OPT_CRLF:
0f113f3e 1373 s_crlf = 1;
7e1b7485
RS
1374 break;
1375 case OPT_QUIET:
0f113f3e 1376 s_quiet = 1;
7e1b7485
RS
1377 break;
1378 case OPT_BRIEF:
acc00492 1379 s_quiet = s_brief = verify_args.quiet = 1;
7e1b7485 1380 break;
7e1b7485 1381 case OPT_NO_DHE:
37f3a3b3 1382#ifndef OPENSSL_NO_DH
0f113f3e 1383 no_dhe = 1;
37f3a3b3 1384#endif
7e1b7485 1385 break;
7e1b7485 1386 case OPT_NO_RESUME_EPHEMERAL:
0f113f3e 1387 no_resume_ephemeral = 1;
7e1b7485 1388 break;
720b6cbe 1389 case OPT_PSK_IDENTITY:
720b6cbe 1390 psk_identity = opt_arg();
720b6cbe 1391 break;
7e1b7485 1392 case OPT_PSK_HINT:
6b01bed2 1393#ifndef OPENSSL_NO_PSK
7e1b7485 1394 psk_identity_hint = opt_arg();
6b01bed2 1395#endif
7e1b7485
RS
1396 break;
1397 case OPT_PSK:
1398 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1399 if (isxdigit(_UC(*p)))
0f113f3e
MC
1400 continue;
1401 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
7e1b7485 1402 goto end;
0f113f3e 1403 }
6b01bed2 1404 break;
df894947
MC
1405 case OPT_PSK_SESS:
1406 psksessf = opt_arg();
1407 break;
7e1b7485 1408 case OPT_SRPVFILE:
6b01bed2 1409#ifndef OPENSSL_NO_SRP
7e1b7485 1410 srp_verifier_file = opt_arg();
0d5301af
KR
1411 if (min_version < TLS1_VERSION)
1412 min_version = TLS1_VERSION;
6b01bed2 1413#endif
7e1b7485
RS
1414 break;
1415 case OPT_SRPUSERSEED:
6b01bed2 1416#ifndef OPENSSL_NO_SRP
7e1b7485 1417 srpuserseed = opt_arg();
0d5301af
KR
1418 if (min_version < TLS1_VERSION)
1419 min_version = TLS1_VERSION;
0f113f3e 1420#endif
6b01bed2 1421 break;
7e1b7485 1422 case OPT_REV:
0f113f3e 1423 rev = 1;
7e1b7485
RS
1424 break;
1425 case OPT_WWW:
0f113f3e 1426 www = 1;
7e1b7485
RS
1427 break;
1428 case OPT_UPPER_WWW:
0f113f3e 1429 www = 2;
7e1b7485
RS
1430 break;
1431 case OPT_HTTP:
0f113f3e 1432 www = 3;
7e1b7485 1433 break;
287d0b94
DSH
1434 case OPT_SSL_CONFIG:
1435 ssl_config = opt_arg();
1436 break;
7e1b7485 1437 case OPT_SSL3:
0d5301af
KR
1438 min_version = SSL3_VERSION;
1439 max_version = SSL3_VERSION;
9c3bcfa0 1440 break;
582a17d6
MC
1441 case OPT_TLS1_3:
1442 min_version = TLS1_3_VERSION;
1443 max_version = TLS1_3_VERSION;
1444 break;
7e1b7485 1445 case OPT_TLS1_2:
0d5301af
KR
1446 min_version = TLS1_2_VERSION;
1447 max_version = TLS1_2_VERSION;
7e1b7485
RS
1448 break;
1449 case OPT_TLS1_1:
0d5301af
KR
1450 min_version = TLS1_1_VERSION;
1451 max_version = TLS1_1_VERSION;
7e1b7485
RS
1452 break;
1453 case OPT_TLS1:
0d5301af
KR
1454 min_version = TLS1_VERSION;
1455 max_version = TLS1_VERSION;
7e1b7485 1456 break;
7e1b7485 1457 case OPT_DTLS:
6b01bed2 1458#ifndef OPENSSL_NO_DTLS
4407d070 1459 meth = DTLS_server_method();
0f113f3e 1460 socket_type = SOCK_DGRAM;
6b01bed2 1461#endif
7e1b7485
RS
1462 break;
1463 case OPT_DTLS1:
0d5301af
KR
1464#ifndef OPENSSL_NO_DTLS
1465 meth = DTLS_server_method();
1466 min_version = DTLS1_VERSION;
1467 max_version = DTLS1_VERSION;
0f113f3e 1468 socket_type = SOCK_DGRAM;
6b01bed2 1469#endif
7e1b7485
RS
1470 break;
1471 case OPT_DTLS1_2:
0d5301af
KR
1472#ifndef OPENSSL_NO_DTLS
1473 meth = DTLS_server_method();
1474 min_version = DTLS1_2_VERSION;
1475 max_version = DTLS1_2_VERSION;
0f113f3e 1476 socket_type = SOCK_DGRAM;
72d0bc84
MC
1477#endif
1478 break;
1479 case OPT_SCTP:
1480#ifndef OPENSSL_NO_SCTP
1481 protocol = IPPROTO_SCTP;
6b01bed2 1482#endif
7e1b7485
RS
1483 break;
1484 case OPT_TIMEOUT:
6b01bed2 1485#ifndef OPENSSL_NO_DTLS
0f113f3e 1486 enable_timeouts = 1;
6b01bed2 1487#endif
7e1b7485
RS
1488 break;
1489 case OPT_MTU:
6b01bed2 1490#ifndef OPENSSL_NO_DTLS
7e1b7485 1491 socket_mtu = atol(opt_arg());
6b01bed2 1492#endif
7e1b7485 1493 break;
fd4e98ec 1494 case OPT_LISTEN:
6b01bed2 1495#ifndef OPENSSL_NO_DTLS
fd4e98ec 1496 dtlslisten = 1;
0f113f3e 1497#endif
6b01bed2 1498 break;
c2f9648d
MC
1499 case OPT_STATELESS:
1500 stateless = 1;
1501 break;
7e1b7485
RS
1502 case OPT_ID_PREFIX:
1503 session_id_prefix = opt_arg();
1504 break;
1505 case OPT_ENGINE:
bde136c8 1506 engine = setup_engine(opt_arg(), 1);
7e1b7485 1507 break;
3ee1eac2
RS
1508 case OPT_R_CASES:
1509 if (!opt_rand(o))
1510 goto end;
7e1b7485 1511 break;
7e1b7485
RS
1512 case OPT_SERVERNAME:
1513 tlsextcbp.servername = opt_arg();
1514 break;
1515 case OPT_SERVERNAME_FATAL:
0f113f3e 1516 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
7e1b7485
RS
1517 break;
1518 case OPT_CERT2:
1519 s_cert_file2 = opt_arg();
1520 break;
1521 case OPT_KEY2:
1522 s_key_file2 = opt_arg();
1523 break;
7e1b7485 1524 case OPT_NEXTPROTONEG:
9c3bcfa0 1525# ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485 1526 next_proto_neg_in = opt_arg();
e481f9b9 1527#endif
9c3bcfa0 1528 break;
7e1b7485
RS
1529 case OPT_ALPN:
1530 alpn_in = opt_arg();
1531 break;
7e1b7485 1532 case OPT_SRTP_PROFILES:
dad88680 1533#ifndef OPENSSL_NO_SRTP
7e1b7485 1534 srtp_profiles = opt_arg();
dad88680 1535#endif
d6316025 1536 break;
7e1b7485
RS
1537 case OPT_KEYMATEXPORT:
1538 keymatexportlabel = opt_arg();
1539 break;
1540 case OPT_KEYMATEXPORTLEN:
1541 keymatexportlen = atoi(opt_arg());
0f113f3e 1542 break;
7e25dd6d
MC
1543 case OPT_ASYNC:
1544 async = 1;
1545 break;
28e5ea88
F
1546 case OPT_MAX_SEND_FRAG:
1547 max_send_fragment = atoi(opt_arg());
28e5ea88 1548 break;
032c6d21
MC
1549 case OPT_SPLIT_SEND_FRAG:
1550 split_send_fragment = atoi(opt_arg());
032c6d21
MC
1551 break;
1552 case OPT_MAX_PIPELINES:
1553 max_pipelines = atoi(opt_arg());
1554 break;
dad78fb1
MC
1555 case OPT_READ_BUF:
1556 read_buf_len = atoi(opt_arg());
1557 break;
4bf73e9f
PW
1558 case OPT_KEYLOG_FILE:
1559 keylog_file = opt_arg();
1560 break;
048b1893
MC
1561 case OPT_MAX_EARLY:
1562 max_early_data = atoi(opt_arg());
6746648c
MC
1563 if (max_early_data < 0) {
1564 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1565 goto end;
1566 }
048b1893 1567 break;
e0655186
MC
1568 case OPT_EARLY_DATA:
1569 early_data = 1;
c39e4048
BK
1570 if (max_early_data == -1)
1571 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
e0655186 1572 break;
0f113f3e 1573 }
0f113f3e 1574 }
7e1b7485
RS
1575 argc = opt_num_rest();
1576 argv = opt_rest();
1577
837f87c2
PY
1578#ifndef OPENSSL_NO_NEXTPROTONEG
1579 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1580 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1581 goto opthelp;
1582 }
1583#endif
a5ecdc6a 1584#ifndef OPENSSL_NO_DTLS
0f113f3e
MC
1585 if (www && socket_type == SOCK_DGRAM) {
1586 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1587 goto end;
1588 }
fd4e98ec
MC
1589
1590 if (dtlslisten && socket_type != SOCK_DGRAM) {
1591 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1592 goto end;
1593 }
0f113f3e
MC
1594#endif
1595
c2f9648d
MC
1596 if (stateless && socket_type != SOCK_STREAM) {
1597 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1598 goto end;
1599 }
1600
ab69ac00
RL
1601#ifdef AF_UNIX
1602 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC
1603 BIO_printf(bio_err,
1604 "Can't use unix sockets and datagrams together\n");
1605 goto end;
1606 }
ab69ac00 1607#endif
2900fc8a 1608
72d0bc84
MC
1609#ifndef OPENSSL_NO_SCTP
1610 if (protocol == IPPROTO_SCTP) {
1611 if (socket_type != SOCK_DGRAM) {
1612 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1613 goto end;
1614 }
1615 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1616 socket_type = SOCK_STREAM;
1617 }
1618#endif
032c6d21 1619
7e1b7485 1620 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
0f113f3e
MC
1621 BIO_printf(bio_err, "Error getting password\n");
1622 goto end;
1623 }
826a42a0 1624
0f113f3e
MC
1625 if (s_key_file == NULL)
1626 s_key_file = s_cert_file;
e481f9b9 1627
0f113f3e
MC
1628 if (s_key_file2 == NULL)
1629 s_key_file2 = s_cert_file2;
ed3883d2 1630
7e1b7485 1631 if (!load_excert(&exc))
0f113f3e
MC
1632 goto end;
1633
1634 if (nocert == 0) {
bde136c8 1635 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
0f113f3e 1636 "server certificate private key file");
2234212c 1637 if (s_key == NULL) {
0f113f3e
MC
1638 ERR_print_errors(bio_err);
1639 goto end;
1640 }
826a42a0 1641
7e1b7485 1642 s_cert = load_cert(s_cert_file, s_cert_format,
a773b52a 1643 "server certificate file");
0f113f3e 1644
2234212c 1645 if (s_cert == NULL) {
0f113f3e
MC
1646 ERR_print_errors(bio_err);
1647 goto end;
1648 }
2234212c 1649 if (s_chain_file != NULL) {
a773b52a 1650 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
0996dc54 1651 "server certificate chain"))
0f113f3e
MC
1652 goto end;
1653 }
e481f9b9 1654
2234212c 1655 if (tlsextcbp.servername != NULL) {
bde136c8 1656 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
0f113f3e 1657 "second server certificate private key file");
2234212c 1658 if (s_key2 == NULL) {
0f113f3e
MC
1659 ERR_print_errors(bio_err);
1660 goto end;
1661 }
1662
7e1b7485 1663 s_cert2 = load_cert(s_cert_file2, s_cert_format,
a773b52a 1664 "second server certificate file");
0f113f3e 1665
2234212c 1666 if (s_cert2 == NULL) {
0f113f3e
MC
1667 ERR_print_errors(bio_err);
1668 goto end;
1669 }
1670 }
0f113f3e 1671 }
e481f9b9 1672#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e 1673 if (next_proto_neg_in) {
f2ff1432 1674 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
0f113f3e
MC
1675 if (next_proto.data == NULL)
1676 goto end;
0f113f3e 1677 }
e481f9b9 1678#endif
0f113f3e
MC
1679 alpn_ctx.data = NULL;
1680 if (alpn_in) {
f2ff1432 1681 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
0f113f3e
MC
1682 if (alpn_ctx.data == NULL)
1683 goto end;
0f113f3e 1684 }
0f113f3e 1685
2234212c 1686 if (crl_file != NULL) {
0f113f3e
MC
1687 X509_CRL *crl;
1688 crl = load_crl(crl_file, crl_format);
2234212c 1689 if (crl == NULL) {
0f113f3e
MC
1690 BIO_puts(bio_err, "Error loading CRL\n");
1691 ERR_print_errors(bio_err);
1692 goto end;
1693 }
1694 crls = sk_X509_CRL_new_null();
2234212c 1695 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC
1696 BIO_puts(bio_err, "Error adding CRL\n");
1697 ERR_print_errors(bio_err);
1698 X509_CRL_free(crl);
1699 goto end;
1700 }
1701 }
1702
2234212c 1703 if (s_dcert_file != NULL) {
d02b48c6 1704
0f113f3e
MC
1705 if (s_dkey_file == NULL)
1706 s_dkey_file = s_dcert_file;
1707
7e1b7485 1708 s_dkey = load_key(s_dkey_file, s_dkey_format,
bde136c8 1709 0, dpass, engine, "second certificate private key file");
2234212c 1710 if (s_dkey == NULL) {
0f113f3e
MC
1711 ERR_print_errors(bio_err);
1712 goto end;
1713 }
1714
7e1b7485 1715 s_dcert = load_cert(s_dcert_file, s_dcert_format,
a773b52a 1716 "second server certificate file");
0f113f3e 1717
2234212c 1718 if (s_dcert == NULL) {
0f113f3e
MC
1719 ERR_print_errors(bio_err);
1720 goto end;
1721 }
2234212c 1722 if (s_dchain_file != NULL) {
a773b52a 1723 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
0996dc54 1724 "second server certificate chain"))
0f113f3e
MC
1725 goto end;
1726 }
1727
1728 }
1729
0f113f3e
MC
1730 if (bio_s_out == NULL) {
1731 if (s_quiet && !s_debug) {
1732 bio_s_out = BIO_new(BIO_s_null());
2234212c 1733 if (s_msg && bio_s_msg == NULL)
a60994df 1734 bio_s_msg = dup_bio_out(FORMAT_TEXT);
0f113f3e
MC
1735 } else {
1736 if (bio_s_out == NULL)
a60994df 1737 bio_s_out = dup_bio_out(FORMAT_TEXT);
0f113f3e
MC
1738 }
1739 }
10bf4fc2 1740#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
0f113f3e 1741 if (nocert)
d02b48c6 1742#endif
0f113f3e
MC
1743 {
1744 s_cert_file = NULL;
1745 s_key_file = NULL;
1746 s_dcert_file = NULL;
1747 s_dkey_file = NULL;
0f113f3e
MC
1748 s_cert_file2 = NULL;
1749 s_key_file2 = NULL;
0f113f3e
MC
1750 }
1751
1752 ctx = SSL_CTX_new(meth);
0f113f3e
MC
1753 if (ctx == NULL) {
1754 ERR_print_errors(bio_err);
1755 goto end;
1756 }
693cf80c
KR
1757
1758 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1759
32eabe34
MR
1760 if (sdebug)
1761 ssl_ctx_security_debug(ctx, sdebug);
8f8be103
RL
1762
1763 if (!config_ctx(cctx, ssl_args, ctx))
1764 goto end;
1765
287d0b94
DSH
1766 if (ssl_config) {
1767 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1768 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1769 ssl_config);
d6073e27
F
1770 ERR_print_errors(bio_err);
1771 goto end;
287d0b94
DSH
1772 }
1773 }
8f8be103
RL
1774 if (min_version != 0
1775 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
0d5301af 1776 goto end;
8f8be103
RL
1777 if (max_version != 0
1778 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
0d5301af 1779 goto end;
287d0b94 1780
0f113f3e
MC
1781 if (session_id_prefix) {
1782 if (strlen(session_id_prefix) >= 32)
1783 BIO_printf(bio_err,
1784 "warning: id_prefix is too long, only one new session will be possible\n");
1785 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1786 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1787 ERR_print_errors(bio_err);
1788 goto end;
1789 }
1790 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1791 }
1792 SSL_CTX_set_quiet_shutdown(ctx, 1);
2234212c 1793 if (exc != NULL)
0f113f3e 1794 ssl_ctx_set_excert(ctx, exc);
0f113f3e
MC
1795
1796 if (state)
1797 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1798 if (no_cache)
1799 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1800 else if (ext_cache)
1801 init_session_cache_ctx(ctx);
1802 else
1803 SSL_CTX_sess_set_cache_size(ctx, 128);
58964a49 1804
252d6d3a 1805 if (async) {
7e25dd6d 1806 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
252d6d3a 1807 }
28e5ea88 1808
36b2cfb1
F
1809 if (max_send_fragment > 0
1810 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1811 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1812 prog, max_send_fragment);
1813 goto end;
1814 }
28e5ea88 1815
36b2cfb1
F
1816 if (split_send_fragment > 0
1817 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1818 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1819 prog, split_send_fragment);
1820 goto end;
032c6d21 1821 }
36b2cfb1
F
1822 if (max_pipelines > 0
1823 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1824 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1825 prog, max_pipelines);
1826 goto end;
032c6d21 1827 }
7e25dd6d 1828
dad78fb1
MC
1829 if (read_buf_len > 0) {
1830 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1831 }
e783bae2 1832#ifndef OPENSSL_NO_SRTP
ac59d705 1833 if (srtp_profiles != NULL) {
7e1b7485
RS
1834 /* Returns 0 on success! */
1835 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC
1836 BIO_printf(bio_err, "Error setting SRTP profile\n");
1837 ERR_print_errors(bio_err);
1838 goto end;
1839 }
1840 }
e783bae2 1841#endif
333f926d 1842
2b6bcb70 1843 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
0f113f3e 1844 ERR_print_errors(bio_err);
7e1b7485 1845 goto end;
0f113f3e 1846 }
7e1b7485
RS
1847 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1848 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC
1849 ERR_print_errors(bio_err);
1850 goto end;
1851 }
0f113f3e
MC
1852
1853 ssl_ctx_add_crls(ctx, crls, 0);
0f113f3e
MC
1854
1855 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1856 crls, crl_download)) {
1857 BIO_printf(bio_err, "Error loading store locations\n");
1858 ERR_print_errors(bio_err);
1859 goto end;
1860 }
e481f9b9 1861
0f113f3e
MC
1862 if (s_cert2) {
1863 ctx2 = SSL_CTX_new(meth);
1864 if (ctx2 == NULL) {
1865 ERR_print_errors(bio_err);
1866 goto end;
1867 }
1868 }
1869
2234212c 1870 if (ctx2 != NULL) {
0f113f3e
MC
1871 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1872
1873 if (sdebug)
ecf3a1fb 1874 ssl_ctx_security_debug(ctx, sdebug);
0f113f3e
MC
1875
1876 if (session_id_prefix) {
1877 if (strlen(session_id_prefix) >= 32)
1878 BIO_printf(bio_err,
1879 "warning: id_prefix is too long, only one new session will be possible\n");
1880 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1881 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1882 ERR_print_errors(bio_err);
1883 goto end;
1884 }
1885 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1886 }
1887 SSL_CTX_set_quiet_shutdown(ctx2, 1);
2234212c 1888 if (exc != NULL)
0f113f3e 1889 ssl_ctx_set_excert(ctx2, exc);
0f113f3e
MC
1890
1891 if (state)
1892 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1893
1894 if (no_cache)
1895 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1896 else if (ext_cache)
1897 init_session_cache_ctx(ctx2);
1898 else
1899 SSL_CTX_sess_set_cache_size(ctx2, 128);
1900
7e25dd6d 1901 if (async)
f4da39d2 1902 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
7e25dd6d 1903
f65a8c1e
DSH
1904 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1905 noCApath)) {
0f113f3e 1906 ERR_print_errors(bio_err);
f65a8c1e 1907 goto end;
0f113f3e 1908 }
7e1b7485
RS
1909 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1910 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC
1911 ERR_print_errors(bio_err);
1912 goto end;
1913 }
ee2ffc27 1914
0f113f3e 1915 ssl_ctx_add_crls(ctx2, crls, 0);
dba31777 1916 if (!config_ctx(cctx, ssl_args, ctx2))
0f113f3e
MC
1917 goto end;
1918 }
e481f9b9 1919#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC
1920 if (next_proto.data)
1921 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1922 &next_proto);
e481f9b9 1923#endif
0f113f3e
MC
1924 if (alpn_ctx.data)
1925 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
b1277b99 1926
cf1b7d96 1927#ifndef OPENSSL_NO_DH
0f113f3e
MC
1928 if (!no_dhe) {
1929 DH *dh = NULL;
1930
2234212c 1931 if (dhfile != NULL)
0f113f3e 1932 dh = load_dh_param(dhfile);
2234212c 1933 else if (s_cert_file != NULL)
0f113f3e
MC
1934 dh = load_dh_param(s_cert_file);
1935
1936 if (dh != NULL) {
1937 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1938 } else {
1939 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1940 }
1941 (void)BIO_flush(bio_s_out);
1942
2234212c 1943 if (dh == NULL) {
0f113f3e 1944 SSL_CTX_set_dh_auto(ctx, 1);
2234212c 1945 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
0f113f3e
MC
1946 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1947 ERR_print_errors(bio_err);
1948 DH_free(dh);
1949 goto end;
1950 }
e481f9b9 1951
2234212c 1952 if (ctx2 != NULL) {
0f113f3e
MC
1953 if (!dhfile) {
1954 DH *dh2 = load_dh_param(s_cert_file2);
1955 if (dh2 != NULL) {
1956 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1957 (void)BIO_flush(bio_s_out);
1958
1959 DH_free(dh);
1960 dh = dh2;
1961 }
1962 }
2234212c 1963 if (dh == NULL) {
0f113f3e 1964 SSL_CTX_set_dh_auto(ctx2, 1);
2234212c 1965 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
0f113f3e
MC
1966 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1967 ERR_print_errors(bio_err);
1968 DH_free(dh);
1969 goto end;
1970 }
1971 }
0f113f3e
MC
1972 DH_free(dh);
1973 }
ed3883d2 1974#endif
d02b48c6 1975
0f113f3e
MC
1976 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1977 goto end;
e481f9b9 1978
0f113f3e
MC
1979 if (s_serverinfo_file != NULL
1980 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1981 ERR_print_errors(bio_err);
1982 goto end;
1983 }
e481f9b9 1984
2234212c
PY
1985 if (ctx2 != NULL
1986 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
0f113f3e 1987 goto end;
e481f9b9 1988
0f113f3e
MC
1989 if (s_dcert != NULL) {
1990 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1991 goto end;
1992 }
d02b48c6 1993
0f113f3e
MC
1994 if (no_resume_ephemeral) {
1995 SSL_CTX_set_not_resumable_session_callback(ctx,
1996 not_resumable_sess_cb);
e481f9b9 1997
2234212c 1998 if (ctx2 != NULL)
0f113f3e
MC
1999 SSL_CTX_set_not_resumable_session_callback(ctx2,
2000 not_resumable_sess_cb);
0f113f3e 2001 }
ddac1974 2002#ifndef OPENSSL_NO_PSK
b5292f7b 2003 if (psk_key != NULL) {
0f113f3e 2004 if (s_debug)
d6073e27 2005 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
0f113f3e
MC
2006 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2007 }
ddac1974 2008
0f113f3e
MC
2009 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2010 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2011 ERR_print_errors(bio_err);
2012 goto end;
2013 }
ddac1974 2014#endif
df894947
MC
2015 if (psksessf != NULL) {
2016 BIO *stmp = BIO_new_file(psksessf, "r");
2017
2018 if (stmp == NULL) {
2019 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2020 ERR_print_errors(bio_err);
2021 goto end;
2022 }
2023 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2024 BIO_free(stmp);
2025 if (psksess == NULL) {
2026 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2027 ERR_print_errors(bio_err);
2028 goto end;
2029 }
5ffff599 2030
df894947 2031 }
ddac1974 2032
5ffff599
MC
2033 if (psk_key != NULL || psksess != NULL)
2034 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2035
0f113f3e 2036 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
61986d32 2037 if (!SSL_CTX_set_session_id_context(ctx,
d6073e27 2038 (void *)&s_server_session_id_context,
cbe29648 2039 sizeof(s_server_session_id_context))) {
ac59d705
MC
2040 BIO_printf(bio_err, "error setting session id context\n");
2041 ERR_print_errors(bio_err);
2042 goto end;
2043 }
d02b48c6 2044
0f113f3e
MC
2045 /* Set DTLS cookie generation and verification callbacks */
2046 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2047 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
07a9d1a2 2048
3fa2812f
BS
2049 /* Set TLS1.3 cookie generation and verification callbacks */
2050 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2051 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2052
2234212c 2053 if (ctx2 != NULL) {
0f113f3e 2054 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
61986d32 2055 if (!SSL_CTX_set_session_id_context(ctx2,
7e1b7485 2056 (void *)&s_server_session_id_context,
cbe29648 2057 sizeof(s_server_session_id_context))) {
ac59d705
MC
2058 BIO_printf(bio_err, "error setting session id context\n");
2059 ERR_print_errors(bio_err);
2060 goto end;
2061 }
0f113f3e
MC
2062 tlsextcbp.biodebug = bio_s_out;
2063 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2064 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2065 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2066 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2067 }
f1fd4544 2068
edc032b5 2069#ifndef OPENSSL_NO_SRP
0f113f3e
MC
2070 if (srp_verifier_file != NULL) {
2071 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2072 srp_callback_parm.user = NULL;
2073 srp_callback_parm.login = NULL;
2074 if ((ret =
2075 SRP_VBASE_init(srp_callback_parm.vb,
2076 srp_verifier_file)) != SRP_NO_ERROR) {
2077 BIO_printf(bio_err,
2078 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2079 srp_verifier_file, ret);
2080 goto end;
2081 }
2082 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2083 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2084 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2085 } else
2086#endif
2087 if (CAfile != NULL) {
2088 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
e481f9b9 2089
0f113f3e
MC
2090 if (ctx2)
2091 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
0f113f3e 2092 }
3e41ac35 2093#ifndef OPENSSL_NO_OCSP
be0c0361
AE
2094 if (s_tlsextstatus) {
2095 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2096 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2097 if (ctx2) {
2098 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2099 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2100 }
2101 }
3e41ac35 2102#endif
4bf73e9f
PW
2103 if (set_keylog_file(ctx, keylog_file))
2104 goto end;
0f113f3e 2105
6746648c 2106 if (max_early_data >= 0)
048b1893
MC
2107 SSL_CTX_set_max_early_data(ctx, max_early_data);
2108
0f113f3e
MC
2109 if (rev)
2110 server_cb = rev_body;
2111 else if (www)
2112 server_cb = www_body;
2113 else
2114 server_cb = sv_body;
ab69ac00
RL
2115#ifdef AF_UNIX
2116 if (socket_family == AF_UNIX
2117 && unlink_unix_path)
2118 unlink(host);
0f113f3e 2119#endif
72d0bc84 2120 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
5540eb70 2121 server_cb, context, naccept, bio_s_out);
0f113f3e
MC
2122 print_stats(bio_s_out, ctx);
2123 ret = 0;
2124 end:
62adbcee 2125 SSL_CTX_free(ctx);
9561e2a1 2126 SSL_SESSION_free(psksess);
4bf73e9f 2127 set_keylog_file(NULL, NULL);
222561fe
RS
2128 X509_free(s_cert);
2129 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2130 X509_free(s_dcert);
c5ba2d99
RS
2131 EVP_PKEY_free(s_key);
2132 EVP_PKEY_free(s_dkey);
222561fe
RS
2133 sk_X509_pop_free(s_chain, X509_free);
2134 sk_X509_pop_free(s_dchain, X509_free);
25aaa98a
RS
2135 OPENSSL_free(pass);
2136 OPENSSL_free(dpass);
ab69ac00
RL
2137 OPENSSL_free(host);
2138 OPENSSL_free(port);
222561fe 2139 X509_VERIFY_PARAM_free(vpm);
0f113f3e 2140 free_sessions();
25aaa98a
RS
2141 OPENSSL_free(tlscstatp.host);
2142 OPENSSL_free(tlscstatp.port);
2143 OPENSSL_free(tlscstatp.path);
62adbcee 2144 SSL_CTX_free(ctx2);
222561fe 2145 X509_free(s_cert2);
c5ba2d99 2146 EVP_PKEY_free(s_key2);
e481f9b9 2147#ifndef OPENSSL_NO_NEXTPROTONEG
25aaa98a 2148 OPENSSL_free(next_proto.data);
0f113f3e 2149#endif
e481f9b9 2150 OPENSSL_free(alpn_ctx.data);
0f113f3e 2151 ssl_excert_free(exc);
7e1b7485 2152 sk_OPENSSL_STRING_free(ssl_args);
62adbcee 2153 SSL_CONF_CTX_free(cctx);
dd1abd44 2154 release_engine(engine);
ca3a82c3
RS
2155 BIO_free(bio_s_out);
2156 bio_s_out = NULL;
2157 BIO_free(bio_s_msg);
2158 bio_s_msg = NULL;
5fd1478d
MC
2159#ifdef CHARSET_EBCDIC
2160 BIO_meth_free(methods_ebcdic);
2161#endif
26a7d938 2162 return ret;
0f113f3e 2163}
d02b48c6 2164
6b691a5c 2165static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
0f113f3e
MC
2166{
2167 BIO_printf(bio, "%4ld items in the session cache\n",
2168 SSL_CTX_sess_number(ssl_ctx));
2169 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2170 SSL_CTX_sess_connect(ssl_ctx));
2171 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2172 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2173 BIO_printf(bio, "%4ld client connects that finished\n",
2174 SSL_CTX_sess_connect_good(ssl_ctx));
2175 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2176 SSL_CTX_sess_accept(ssl_ctx));
2177 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2178 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2179 BIO_printf(bio, "%4ld server accepts that finished\n",
2180 SSL_CTX_sess_accept_good(ssl_ctx));
2181 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2182 BIO_printf(bio, "%4ld session cache misses\n",
2183 SSL_CTX_sess_misses(ssl_ctx));
2184 BIO_printf(bio, "%4ld session cache timeouts\n",
2185 SSL_CTX_sess_timeouts(ssl_ctx));
2186 BIO_printf(bio, "%4ld callback cache hits\n",
2187 SSL_CTX_sess_cb_hits(ssl_ctx));
2188 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2189 SSL_CTX_sess_cache_full(ssl_ctx),
2190 SSL_CTX_sess_get_cache_size(ssl_ctx));
2191}
d02b48c6 2192
72d0bc84 2193static int sv_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC
2194{
2195 char *buf = NULL;
2196 fd_set readfds;
2197 int ret = 1, width;
2198 int k, i;
2199 unsigned long l;
2200 SSL *con = NULL;
2201 BIO *sbio;
0f113f3e 2202 struct timeval timeout;
ff25dd1a 2203#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
0f113f3e 2204 struct timeval *timeoutp;
06f4536a 2205#endif
72d0bc84 2206#ifndef OPENSSL_NO_DTLS
d88ab353 2207# ifndef OPENSSL_NO_SCTP
72d0bc84 2208 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
d88ab353 2209# else
72d0bc84 2210 int isdtls = (stype == SOCK_DGRAM);
d88ab353 2211# endif
72d0bc84 2212#endif
d02b48c6 2213
68dc6824 2214 buf = app_malloc(bufsize, "server buffer");
0f113f3e 2215 if (s_nbio) {
ba810815 2216 if (!BIO_socket_nbio(s, 1))
0f113f3e 2217 ERR_print_errors(bio_err);
ba810815
RS
2218 else if (!s_quiet)
2219 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 2220 }
d02b48c6 2221
f84a648c 2222 con = SSL_new(ctx);
0f113f3e 2223 if (con == NULL) {
f84a648c
K
2224 ret = -1;
2225 goto err;
2226 }
e481f9b9 2227
f84a648c
K
2228 if (s_tlsextdebug) {
2229 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2230 SSL_set_tlsext_debug_arg(con, bio_s_out);
2231 }
e481f9b9 2232
f84a648c
K
2233 if (context != NULL
2234 && !SSL_set_session_id_context(con, context,
2235 strlen((char *)context))) {
2236 BIO_printf(bio_err, "Error setting session id context\n");
2237 ret = -1;
2238 goto err;
ac59d705 2239 }
f84a648c 2240
61986d32 2241 if (!SSL_clear(con)) {
ac59d705
MC
2242 BIO_printf(bio_err, "Error clearing SSL connection\n");
2243 ret = -1;
2244 goto err;
0f113f3e 2245 }
a7a14a23 2246#ifndef OPENSSL_NO_DTLS
72d0bc84 2247 if (isdtls) {
d88ab353 2248# ifndef OPENSSL_NO_SCTP
72d0bc84
MC
2249 if (prot == IPPROTO_SCTP)
2250 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2251 else
d88ab353 2252# endif
72d0bc84 2253 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
0f113f3e
MC
2254
2255 if (enable_timeouts) {
2256 timeout.tv_sec = 0;
2257 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2258 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2259
2260 timeout.tv_sec = 0;
2261 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2262 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2263 }
2264
2265 if (socket_mtu) {
2266 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2267 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2268 DTLS_get_link_min_mtu(con));
2269 ret = -1;
2270 BIO_free(sbio);
2271 goto err;
2272 }
2273 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2274 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2275 BIO_printf(bio_err, "Failed to set MTU\n");
2276 ret = -1;
2277 BIO_free(sbio);
2278 goto err;
2279 }
2280 } else
2281 /* want to do MTU discovery */
2282 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
36d16f8e 2283
a5eef31e 2284# ifndef OPENSSL_NO_SCTP
1b3011ab
MC
2285 if (prot != IPPROTO_SCTP)
2286# endif
72d0bc84
MC
2287 /* Turn on cookie exchange. Not necessary for SCTP */
2288 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
0f113f3e 2289 } else
a7a14a23 2290#endif
0f113f3e 2291 sbio = BIO_new_socket(s, BIO_NOCLOSE);
36d16f8e 2292
72d0bc84
MC
2293 if (sbio == NULL) {
2294 BIO_printf(bio_err, "Unable to create BIO\n");
2295 ERR_print_errors(bio_err);
2296 goto err;
2297 }
2298
0f113f3e
MC
2299 if (s_nbio_test) {
2300 BIO *test;
d02b48c6 2301
0f113f3e
MC
2302 test = BIO_new(BIO_f_nbio_test());
2303 sbio = BIO_push(test, sbio);
2304 }
0f113f3e
MC
2305
2306 SSL_set_bio(con, sbio, sbio);
2307 SSL_set_accept_state(con);
2308 /* SSL_set_fd(con,s); */
2309
2310 if (s_debug) {
0f113f3e
MC
2311 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2312 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2313 }
2314 if (s_msg) {
93ab9e42 2315#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC
2316 if (s_msg == 2)
2317 SSL_set_msg_callback(con, SSL_trace);
2318 else
93ab9e42 2319#endif
0f113f3e
MC
2320 SSL_set_msg_callback(con, msg_cb);
2321 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2322 }
e481f9b9 2323
0f113f3e
MC
2324 if (s_tlsextdebug) {
2325 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2326 SSL_set_tlsext_debug_arg(con, bio_s_out);
2327 }
d02b48c6 2328
e0655186 2329 if (early_data) {
f533fbd4 2330 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
e0655186
MC
2331 size_t readbytes;
2332
f533fbd4 2333 while (edret != SSL_READ_EARLY_DATA_FINISH) {
e0655186 2334 for (;;) {
f533fbd4
MC
2335 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2336 if (edret != SSL_READ_EARLY_DATA_ERROR)
e0655186
MC
2337 break;
2338
2339 switch (SSL_get_error(con, 0)) {
2340 case SSL_ERROR_WANT_WRITE:
2341 case SSL_ERROR_WANT_ASYNC:
2342 case SSL_ERROR_WANT_READ:
2343 /* Just keep trying - busy waiting */
2344 continue;
2345 default:
2346 BIO_printf(bio_err, "Error reading early data\n");
2347 ERR_print_errors(bio_err);
2348 goto err;
2349 }
2350 }
2351 if (readbytes > 0) {
2352 if (write_header) {
2353 BIO_printf(bio_s_out, "Early data received:\n");
2354 write_header = 0;
2355 }
2356 raw_write_stdout(buf, (unsigned int)readbytes);
2357 (void)BIO_flush(bio_s_out);
2358 }
2359 }
3b587356
MC
2360 if (write_header) {
2361 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2362 BIO_printf(bio_s_out, "No early data received\n");
2363 else
2364 BIO_printf(bio_s_out, "Early data was rejected\n");
2365 } else {
e0655186 2366 BIO_printf(bio_s_out, "\nEnd of early data\n");
3b587356 2367 }
ade1e888
MC
2368 if (SSL_is_init_finished(con))
2369 print_connection_info(con);
e0655186
MC
2370 }
2371
51e5133d
RL
2372 if (fileno_stdin() > s)
2373 width = fileno_stdin() + 1;
c7bdb6a3
RL
2374 else
2375 width = s + 1;
0f113f3e
MC
2376 for (;;) {
2377 int read_from_terminal;
2378 int read_from_sslcon;
a2a01589 2379
0f113f3e 2380 read_from_terminal = 0;
fd068d50 2381 read_from_sslcon = SSL_has_pending(con)
64c07bd2 2382 || (async && SSL_waiting_for_async(con));
a2a01589 2383
0f113f3e
MC
2384 if (!read_from_sslcon) {
2385 FD_ZERO(&readfds);
1fbab1dc 2386#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
51e5133d 2387 openssl_fdset(fileno_stdin(), &readfds);
0f113f3e
MC
2388#endif
2389 openssl_fdset(s, &readfds);
2390 /*
2391 * Note: under VMS with SOCKETSHR the second parameter is
2392 * currently of type (int *) whereas under other systems it is
2393 * (void *) if you don't have a cast it will choke the compiler:
2394 * if you do have a cast then you can either go for (int *) or
2395 * (void *).
2396 */
1fbab1dc 2397#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC
2398 /*
2399 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2400 * only on sockets. As a workaround we timeout the select every
2401 * second and check for any keypress. In a proper Windows
2402 * application we wouldn't do this because it is inefficient.
2403 */
ff25dd1a
RL
2404 timeout.tv_sec = 1;
2405 timeout.tv_usec = 0;
2406 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
75dd6c1a 2407 if (has_stdin_waiting())
0f113f3e 2408 read_from_terminal = 1;
75dd6c1a
MC
2409 if ((i < 0) || (!i && !read_from_terminal))
2410 continue;
06f4536a 2411#else
6f6da2fe 2412 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
0f113f3e
MC
2413 timeoutp = &timeout;
2414 else
2415 timeoutp = NULL;
2416
2417 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2418
6f6da2fe 2419 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
0f113f3e 2420 BIO_printf(bio_err, "TIMEOUT occurred\n");
0f113f3e
MC
2421
2422 if (i <= 0)
2423 continue;
51e5133d 2424 if (FD_ISSET(fileno_stdin(), &readfds))
0f113f3e
MC
2425 read_from_terminal = 1;
2426#endif
2427 if (FD_ISSET(s, &readfds))
2428 read_from_sslcon = 1;
2429 }
2430 if (read_from_terminal) {
2431 if (s_crlf) {
2432 int j, lf_num;
2433
c7bdb6a3 2434 i = raw_read_stdin(buf, bufsize / 2);
c7bdb6a3 2435 lf_num = 0;
0f113f3e
MC
2436 /* both loops are skipped when i <= 0 */
2437 for (j = 0; j < i; j++)
2438 if (buf[j] == '\n')
2439 lf_num++;
2440 for (j = i - 1; j >= 0; j--) {
2441 buf[j + lf_num] = buf[j];
2442 if (buf[j] == '\n') {
2443 lf_num--;
2444 i++;
2445 buf[j + lf_num] = '\r';
2446 }
2447 }
2448 assert(lf_num == 0);
2234212c 2449 } else {
c7bdb6a3 2450 i = raw_read_stdin(buf, bufsize);
2234212c 2451 }
51e5133d 2452
0f113f3e
MC
2453 if (!s_quiet && !s_brief) {
2454 if ((i <= 0) || (buf[0] == 'Q')) {
2455 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2456 (void)BIO_flush(bio_s_out);
8731a4fc 2457 BIO_closesocket(s);
0f113f3e
MC
2458 close_accept_socket();
2459 ret = -11;
2460 goto err;
2461 }
2462 if ((i <= 0) || (buf[0] == 'q')) {
2463 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2464 (void)BIO_flush(bio_s_out);
0f113f3e 2465 if (SSL_version(con) != DTLS1_VERSION)
8731a4fc 2466 BIO_closesocket(s);
0f113f3e
MC
2467 /*
2468 * close_accept_socket(); ret= -11;
2469 */
2470 goto err;
2471 }
b612799a
RL
2472#ifndef OPENSSL_NO_HEARTBEATS
2473 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2474 BIO_printf(bio_err, "HEARTBEATING\n");
2475 SSL_heartbeat(con);
2476 i = 0;
2477 continue;
2478 }
2479#endif
0f113f3e
MC
2480 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2481 SSL_renegotiate(con);
2482 i = SSL_do_handshake(con);
2483 printf("SSL_do_handshake -> %d\n", i);
2484 i = 0; /* 13; */
2485 continue;
0f113f3e
MC
2486 }
2487 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2488 SSL_set_verify(con,
2489 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2490 NULL);
2491 SSL_renegotiate(con);
2492 i = SSL_do_handshake(con);
2493 printf("SSL_do_handshake -> %d\n", i);
2494 i = 0; /* 13; */
2495 continue;
0f113f3e 2496 }
34df45b5
MC
2497 if ((buf[0] == 'K' || buf[0] == 'k')
2498 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2499 SSL_key_update(con, buf[0] == 'K' ?
2500 SSL_KEY_UPDATE_REQUESTED
2501 : SSL_KEY_UPDATE_NOT_REQUESTED);
2502 i = SSL_do_handshake(con);
2503 printf("SSL_do_handshake -> %d\n", i);
2504 i = 0;
2505 continue;
34df45b5 2506 }
9d75dce3
TS
2507 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2508 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2509 i = SSL_verify_client_post_handshake(con);
2510 if (i == 0) {
2511 printf("Failed to initiate request\n");
2512 ERR_print_errors(bio_err);
2513 } else {
2514 i = SSL_do_handshake(con);
2515 printf("SSL_do_handshake -> %d\n", i);
2516 i = 0;
2517 }
2518 continue;
2519 }
0f113f3e
MC
2520 if (buf[0] == 'P') {
2521 static const char *str = "Lets print some clear text\n";
2522 BIO_write(SSL_get_wbio(con), str, strlen(str));
2523 }
2524 if (buf[0] == 'S') {
2525 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2526 }
2527 }
a53955d8 2528#ifdef CHARSET_EBCDIC
0f113f3e 2529 ebcdic2ascii(buf, buf, i);
a53955d8 2530#endif
0f113f3e
MC
2531 l = k = 0;
2532 for (;;) {
2533 /* should do a select for the write */
58964a49 2534#ifdef RENEG
54463e4f
F
2535 static count = 0;
2536 if (++count == 100) {
2537 count = 0;
2538 SSL_renegotiate(con);
0f113f3e 2539 }
d02b48c6 2540#endif
0f113f3e 2541 k = SSL_write(con, &(buf[l]), (unsigned int)i);
9641be2a 2542#ifndef OPENSSL_NO_SRP
0f113f3e
MC
2543 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2544 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
380f18ed 2545 SRP_user_pwd_free(srp_callback_parm.user);
0f113f3e 2546 srp_callback_parm.user =
380f18ed
EK
2547 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2548 srp_callback_parm.login);
c7bdb6a3 2549 if (srp_callback_parm.user)
0f113f3e
MC
2550 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2551 srp_callback_parm.user->info);
2552 else
2553 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2554 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2555 }
2556#endif
2557 switch (SSL_get_error(con, k)) {
2558 case SSL_ERROR_NONE:
2559 break;
7e25dd6d
MC
2560 case SSL_ERROR_WANT_ASYNC:
2561 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
384f08dc 2562 (void)BIO_flush(bio_s_out);
f4da39d2 2563 wait_for_async(con);
7e25dd6d 2564 break;
0f113f3e
MC
2565 case SSL_ERROR_WANT_WRITE:
2566 case SSL_ERROR_WANT_READ:
2567 case SSL_ERROR_WANT_X509_LOOKUP:
2568 BIO_printf(bio_s_out, "Write BLOCK\n");
384f08dc 2569 (void)BIO_flush(bio_s_out);
0f113f3e 2570 break;
fc7f190c
MC
2571 case SSL_ERROR_WANT_ASYNC_JOB:
2572 /*
2573 * This shouldn't ever happen in s_server. Treat as an error
2574 */
0f113f3e
MC
2575 case SSL_ERROR_SYSCALL:
2576 case SSL_ERROR_SSL:
2577 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2578 (void)BIO_flush(bio_s_out);
0f113f3e
MC
2579 ERR_print_errors(bio_err);
2580 ret = 1;
2581 goto err;
2582 /* break; */
2583 case SSL_ERROR_ZERO_RETURN:
2584 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2585 (void)BIO_flush(bio_s_out);
0f113f3e
MC
2586 ret = 1;
2587 goto err;
2588 }
00d565cf
RS
2589 if (k > 0) {
2590 l += k;
2591 i -= k;
2592 }
0f113f3e
MC
2593 if (i <= 0)
2594 break;
2595 }
2596 }
2597 if (read_from_sslcon) {
64c07bd2
MC
2598 /*
2599 * init_ssl_connection handles all async events itself so if we're
2600 * waiting for async then we shouldn't go back into
2601 * init_ssl_connection
2602 */
2603 if ((!async || !SSL_waiting_for_async(con))
2604 && !SSL_is_init_finished(con)) {
0f113f3e
MC
2605 i = init_ssl_connection(con);
2606
2607 if (i < 0) {
2608 ret = 0;
2609 goto err;
2610 } else if (i == 0) {
2611 ret = 1;
2612 goto err;
2613 }
2614 } else {
2615 again:
2616 i = SSL_read(con, (char *)buf, bufsize);
9641be2a 2617#ifndef OPENSSL_NO_SRP
0f113f3e
MC
2618 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2619 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
380f18ed 2620 SRP_user_pwd_free(srp_callback_parm.user);
0f113f3e 2621 srp_callback_parm.user =
380f18ed
EK
2622 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2623 srp_callback_parm.login);
0f113f3e
MC
2624 if (srp_callback_parm.user)
2625 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2626 srp_callback_parm.user->info);
2627 else
2628 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2629 i = SSL_read(con, (char *)buf, bufsize);
2630 }
2631#endif
2632 switch (SSL_get_error(con, i)) {
2633 case SSL_ERROR_NONE:
a53955d8 2634#ifdef CHARSET_EBCDIC
0f113f3e
MC
2635 ascii2ebcdic(buf, buf, i);
2636#endif
2637 raw_write_stdout(buf, (unsigned int)i);
384f08dc 2638 (void)BIO_flush(bio_s_out);
fd068d50 2639 if (SSL_has_pending(con))
0f113f3e
MC
2640 goto again;
2641 break;
7e25dd6d 2642 case SSL_ERROR_WANT_ASYNC:
f4da39d2 2643 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
384f08dc 2644 (void)BIO_flush(bio_s_out);
f4da39d2
MC
2645 wait_for_async(con);
2646 break;
0f113f3e
MC
2647 case SSL_ERROR_WANT_WRITE:
2648 case SSL_ERROR_WANT_READ:
2649 BIO_printf(bio_s_out, "Read BLOCK\n");
384f08dc 2650 (void)BIO_flush(bio_s_out);
0f113f3e 2651 break;
fc7f190c
MC
2652 case SSL_ERROR_WANT_ASYNC_JOB:
2653 /*
2654 * This shouldn't ever happen in s_server. Treat as an error
2655 */
0f113f3e
MC
2656 case SSL_ERROR_SYSCALL:
2657 case SSL_ERROR_SSL:
2658 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2659 (void)BIO_flush(bio_s_out);
0f113f3e
MC
2660 ERR_print_errors(bio_err);
2661 ret = 1;
2662 goto err;
2663 case SSL_ERROR_ZERO_RETURN:
2664 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2665 (void)BIO_flush(bio_s_out);
0f113f3e
MC
2666 ret = 1;
2667 goto err;
2668 }
2669 }
2670 }
2671 }
2672 err:
2673 if (con != NULL) {
2674 BIO_printf(bio_s_out, "shutting down SSL\n");
0f113f3e 2675 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
0f113f3e
MC
2676 SSL_free(con);
2677 }
2678 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
4b45c6e5 2679 OPENSSL_clear_free(buf, bufsize);
26a7d938 2680 return ret;
0f113f3e 2681}
d02b48c6 2682
6b691a5c 2683static void close_accept_socket(void)
0f113f3e
MC
2684{
2685 BIO_printf(bio_err, "shutdown accept socket\n");
2686 if (accept_socket >= 0) {
8731a4fc 2687 BIO_closesocket(accept_socket);
0f113f3e
MC
2688 }
2689}
d02b48c6 2690
068e3d73
MC
2691static int is_retryable(SSL *con, int i)
2692{
2693 int err = SSL_get_error(con, i);
2694
2695 /* If it's not a fatal error, it must be retryable */
2696 return (err != SSL_ERROR_SSL)
2697 && (err != SSL_ERROR_SYSCALL)
2698 && (err != SSL_ERROR_ZERO_RETURN);
2699}
2700
6b691a5c 2701static int init_ssl_connection(SSL *con)
0f113f3e
MC
2702{
2703 int i;
df2ee0e2 2704 long verify_err;
384f08dc 2705 int retry = 0;
fd4e98ec 2706
c2f9648d 2707 if (dtlslisten || stateless) {
d858c876
RL
2708 BIO_ADDR *client = NULL;
2709
c2f9648d
MC
2710 if (dtlslisten) {
2711 if ((client = BIO_ADDR_new()) == NULL) {
2712 BIO_printf(bio_err, "ERROR - memory\n");
2713 return 0;
2714 }
2715 i = DTLSv1_listen(con, client);
2716 } else {
2717 i = SSL_stateless(con);
d858c876 2718 }
fd4e98ec
MC
2719 if (i > 0) {
2720 BIO *wbio;
3a796184 2721 int fd = -1;
fd4e98ec 2722
c2f9648d
MC
2723 if (dtlslisten) {
2724 wbio = SSL_get_wbio(con);
2725 if (wbio) {
2726 BIO_get_fd(wbio, &fd);
2727 }
fd4e98ec 2728
c2f9648d
MC
2729 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2730 BIO_printf(bio_err, "ERROR - unable to connect\n");
2731 BIO_ADDR_free(client);
2732 return 0;
2733 }
d858c876 2734 BIO_ADDR_free(client);
c2f9648d
MC
2735 dtlslisten = 0;
2736 } else {
2737 stateless = 0;
fd4e98ec 2738 }
fd4e98ec 2739 i = SSL_accept(con);
a3768e0c
MC
2740 } else {
2741 BIO_ADDR_free(client);
fd4e98ec 2742 }
c2f9648d
MC
2743 } else {
2744 do {
2745 i = SSL_accept(con);
d02b48c6 2746
c2f9648d
MC
2747 if (i <= 0)
2748 retry = is_retryable(con, i);
3323314f 2749#ifdef CERT_CB_TEST_RETRY
c2f9648d
MC
2750 {
2751 while (i <= 0
2752 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2753 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2754 BIO_printf(bio_err,
2755 "LOOKUP from certificate callback during accept\n");
2756 i = SSL_accept(con);
2757 if (i <= 0)
2758 retry = is_retryable(con, i);
2759 }
2760 }
2761#endif
2762
2763#ifndef OPENSSL_NO_SRP
d6073e27 2764 while (i <= 0
c2f9648d
MC
2765 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2766 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2767 srp_callback_parm.login);
2768 SRP_user_pwd_free(srp_callback_parm.user);
2769 srp_callback_parm.user =
2770 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2771 srp_callback_parm.login);
2772 if (srp_callback_parm.user)
2773 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2774 srp_callback_parm.user->info);
2775 else
2776 BIO_printf(bio_s_out, "LOOKUP not successful\n");
7e25dd6d 2777 i = SSL_accept(con);
384f08dc 2778 if (i <= 0)
068e3d73 2779 retry = is_retryable(con, i);
7e25dd6d 2780 }
3323314f 2781#endif
c2f9648d
MC
2782 } while (i < 0 && SSL_waiting_for_async(con));
2783 }
0f113f3e
MC
2784
2785 if (i <= 0) {
c2f9648d
MC
2786 if (((dtlslisten || stateless) && i == 0)
2787 || (!dtlslisten && !stateless && retry)) {
0f113f3e 2788 BIO_printf(bio_s_out, "DELAY\n");
208fb891 2789 return 1;
0f113f3e
MC
2790 }
2791
2792 BIO_printf(bio_err, "ERROR\n");
7e1b7485 2793
df2ee0e2
BL
2794 verify_err = SSL_get_verify_result(con);
2795 if (verify_err != X509_V_OK) {
0f113f3e 2796 BIO_printf(bio_err, "verify error:%s\n",
df2ee0e2 2797 X509_verify_cert_error_string(verify_err));
0f113f3e
MC
2798 }
2799 /* Always print any error messages */
2800 ERR_print_errors(bio_err);
26a7d938 2801 return 0;
0f113f3e
MC
2802 }
2803
ade1e888
MC
2804 print_connection_info(con);
2805 return 1;
2806}
2807
2808static void print_connection_info(SSL *con)
2809{
2810 const char *str;
2811 X509 *peer;
2812 char buf[BUFSIZ];
2813#if !defined(OPENSSL_NO_NEXTPROTONEG)
2814 const unsigned char *next_proto_neg;
2815 unsigned next_proto_neg_len;
2816#endif
2817 unsigned char *exportedkeymat;
2818 int i;
2819
0f113f3e 2820 if (s_brief)
ecf3a1fb 2821 print_ssl_summary(con);
0f113f3e
MC
2822
2823 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2824
2825 peer = SSL_get_peer_certificate(con);
2826 if (peer != NULL) {
2827 BIO_printf(bio_s_out, "Client certificate\n");
2828 PEM_write_bio_X509(bio_s_out, peer);
b5c4209b 2829 dump_cert_text(bio_s_out, peer);
0f113f3e 2830 X509_free(peer);
049f3655 2831 peer = NULL;
0f113f3e
MC
2832 }
2833
cbe29648 2834 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
0f113f3e
MC
2835 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2836 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2837 ssl_print_sigalgs(bio_s_out, con);
14536c8c 2838#ifndef OPENSSL_NO_EC
0f113f3e 2839 ssl_print_point_formats(bio_s_out, con);
de4d764e 2840 ssl_print_groups(bio_s_out, con, 0);
14536c8c 2841#endif
5969a2dd 2842 print_ca_names(bio_s_out, con);
0f113f3e 2843 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
e7f8ff43 2844
e481f9b9 2845#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC
2846 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2847 if (next_proto_neg) {
2848 BIO_printf(bio_s_out, "NEXTPROTO is ");
2849 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2850 BIO_printf(bio_s_out, "\n");
2851 }
ee2ffc27 2852#endif
e783bae2 2853#ifndef OPENSSL_NO_SRTP
0f113f3e
MC
2854 {
2855 SRTP_PROTECTION_PROFILE *srtp_profile
2856 = SSL_get_selected_srtp_profile(con);
2857
2858 if (srtp_profile)
2859 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2860 srtp_profile->name);
2861 }
2862#endif
b577fd0b 2863 if (SSL_session_reused(con))
0f113f3e 2864 BIO_printf(bio_s_out, "Reused session-id\n");
0f113f3e
MC
2865 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2866 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
db0f35dd
TS
2867 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2868 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2869
0f113f3e
MC
2870 if (keymatexportlabel != NULL) {
2871 BIO_printf(bio_s_out, "Keying material exporter:\n");
2872 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2873 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
68dc6824
RS
2874 exportedkeymat = app_malloc(keymatexportlen, "export key");
2875 if (!SSL_export_keying_material(con, exportedkeymat,
2876 keymatexportlen,
2877 keymatexportlabel,
2878 strlen(keymatexportlabel),
2879 NULL, 0, 0)) {
2880 BIO_printf(bio_s_out, " Error\n");
2881 } else {
2882 BIO_printf(bio_s_out, " Keying material: ");
2883 for (i = 0; i < keymatexportlen; i++)
2884 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2885 BIO_printf(bio_s_out, "\n");
0f113f3e 2886 }
68dc6824 2887 OPENSSL_free(exportedkeymat);
0f113f3e
MC
2888 }
2889
d6073e27 2890 (void)BIO_flush(bio_s_out);
0f113f3e 2891}
d02b48c6 2892
cf1b7d96 2893#ifndef OPENSSL_NO_DH
eb3eab20 2894static DH *load_dh_param(const char *dhfile)
0f113f3e
MC
2895{
2896 DH *ret = NULL;
2897 BIO *bio;
2898
2899 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2900 goto err;
2901 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2902 err:
ca3a82c3 2903 BIO_free(bio);
26a7d938 2904 return ret;
0f113f3e 2905}
58964a49 2906#endif
d02b48c6 2907
72d0bc84 2908static int www_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC
2909{
2910 char *buf = NULL;
2911 int ret = 1;
2912 int i, j, k, dot;
2913 SSL *con;
2914 const SSL_CIPHER *c;
2915 BIO *io, *ssl_bio, *sbio;
7e1b7485
RS
2916#ifdef RENEG
2917 int total_bytes = 0;
2918#endif
075c8795
MC
2919 int width;
2920 fd_set readfds;
2921
2922 /* Set width for a select call if needed */
2923 width = s + 1;
d02b48c6 2924
68dc6824 2925 buf = app_malloc(bufsize, "server www buffer");
0f113f3e
MC
2926 io = BIO_new(BIO_f_buffer());
2927 ssl_bio = BIO_new(BIO_f_ssl());
2928 if ((io == NULL) || (ssl_bio == NULL))
2929 goto err;
d02b48c6 2930
0f113f3e 2931 if (s_nbio) {
ba810815 2932 if (!BIO_socket_nbio(s, 1))
0f113f3e 2933 ERR_print_errors(bio_err);
ba810815
RS
2934 else if (!s_quiet)
2935 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 2936 }
d02b48c6 2937
0f113f3e
MC
2938 /* lets make the output buffer a reasonable size */
2939 if (!BIO_set_write_buffer_size(io, bufsize))
2940 goto err;
d02b48c6 2941
0f113f3e
MC
2942 if ((con = SSL_new(ctx)) == NULL)
2943 goto err;
e481f9b9 2944
0f113f3e
MC
2945 if (s_tlsextdebug) {
2946 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2947 SSL_set_tlsext_debug_arg(con, bio_s_out);
2948 }
e481f9b9 2949
2234212c 2950 if (context != NULL
d6073e27
F
2951 && !SSL_set_session_id_context(con, context,
2952 strlen((char *)context)))
ac59d705 2953 goto err;
0f113f3e
MC
2954
2955 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2956 if (s_nbio_test) {
2957 BIO *test;
2958
2959 test = BIO_new(BIO_f_nbio_test());
2960 sbio = BIO_push(test, sbio);
2961 }
2962 SSL_set_bio(con, sbio, sbio);
2963 SSL_set_accept_state(con);
2964
2965 /* SSL_set_fd(con,s); */
2966 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2967 BIO_push(io, ssl_bio);
a53955d8 2968#ifdef CHARSET_EBCDIC
0f113f3e 2969 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
a53955d8 2970#endif
d02b48c6 2971
0f113f3e 2972 if (s_debug) {
0f113f3e
MC
2973 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2974 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2975 }
2976 if (s_msg) {
93ab9e42 2977#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC
2978 if (s_msg == 2)
2979 SSL_set_msg_callback(con, SSL_trace);
2980 else
2981#endif
2982 SSL_set_msg_callback(con, msg_cb);
2983 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2984 }
2985
2986 for (;;) {
0f113f3e
MC
2987 i = BIO_gets(io, buf, bufsize - 1);
2988 if (i < 0) { /* error */
4cfa6204 2989 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
0f113f3e
MC
2990 if (!s_quiet)
2991 ERR_print_errors(bio_err);
2992 goto err;
2993 } else {
2994 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH
2995#ifndef OPENSSL_NO_SRP
2996 if (BIO_should_io_special(io)
2997 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2998 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
380f18ed 2999 SRP_user_pwd_free(srp_callback_parm.user);
4e7e6230 3000 srp_callback_parm.user =
380f18ed
EK
3001 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3002 srp_callback_parm.login);
4e7e6230
DSH
3003 if (srp_callback_parm.user)
3004 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3005 srp_callback_parm.user->info);
3006 else
3007 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3008 continue;
3009 }
3010#endif
1fbab1dc 3011#if !defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC
3012 sleep(1);
3013#endif
3014 continue;
3015 }
3016 } else if (i == 0) { /* end of input */
3017 ret = 1;
3018 goto end;
3019 }
d02b48c6 3020
0f113f3e
MC
3021 /* else we have data */
3022 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
0b142f02 3023 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
0f113f3e 3024 char *p;
049f3655 3025 X509 *peer = NULL;
0f113f3e
MC
3026 STACK_OF(SSL_CIPHER) *sk;
3027 static const char *space = " ";
3028
3029 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3030 if (strncmp("GET /renegcert", buf, 14) == 0)
3031 SSL_set_verify(con,
3032 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3033 NULL);
3034 i = SSL_renegotiate(con);
3035 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
075c8795 3036 /* Send the HelloRequest */
0f113f3e
MC
3037 i = SSL_do_handshake(con);
3038 if (i <= 0) {
3039 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3040 SSL_get_error(con, i));
3041 ERR_print_errors(bio_err);
3042 goto err;
3043 }
075c8795
MC
3044 /* Wait for a ClientHello to come back */
3045 FD_ZERO(&readfds);
3046 openssl_fdset(s, &readfds);
3047 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3048 if (i <= 0 || !FD_ISSET(s, &readfds)) {
d6073e27
F
3049 BIO_printf(bio_s_out,
3050 "Error waiting for client response\n");
0f113f3e
MC
3051 ERR_print_errors(bio_err);
3052 goto err;
3053 }
075c8795 3054 /*
049f3655 3055 * We're not actually expecting any data here and we ignore
075c8795
MC
3056 * any that is sent. This is just to force the handshake that
3057 * we're expecting to come from the client. If they haven't
3058 * sent one there's not much we can do.
3059 */
3060 BIO_gets(io, buf, bufsize - 1);
0f113f3e
MC
3061 }
3062
3063 BIO_puts(io,
3064 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3065 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3066 BIO_puts(io, "<pre>\n");
049f3655 3067 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
0f113f3e
MC
3068 BIO_puts(io, "\n");
3069 for (i = 0; i < local_argc; i++) {
f92beb98
RS
3070 const char *myp;
3071 for (myp = local_argv[i]; *myp; myp++)
3072 switch (*myp) {
3073 case '<':
3074 BIO_puts(io, "&lt;");
3075 break;
3076 case '>':
3077 BIO_puts(io, "&gt;");
3078 break;
3079 case '&':
3080 BIO_puts(io, "&amp;");
3081 break;
3082 default:
3083 BIO_write(io, myp, 1);
3084 break;
3085 }
0f113f3e
MC
3086 BIO_write(io, " ", 1);
3087 }
3088 BIO_puts(io, "\n");
3089
3090 BIO_printf(io,
3091 "Secure Renegotiation IS%s supported\n",
3092 SSL_get_secure_renegotiation_support(con) ?
3093 "" : " NOT");
3094
3095 /*
3096 * The following is evil and should not really be done
3097 */
3098 BIO_printf(io, "Ciphers supported in s_server binary\n");
3099 sk = SSL_get_ciphers(con);
3100 j = sk_SSL_CIPHER_num(sk);
3101 for (i = 0; i < j; i++) {
3102 c = sk_SSL_CIPHER_value(sk, i);
7e1b7485 3103 BIO_printf(io, "%-11s:%-25s ",
0f113f3e
MC
3104 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3105 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3106 BIO_puts(io, "\n");
3107 }
3108 BIO_puts(io, "\n");
3109 p = SSL_get_shared_ciphers(con, buf, bufsize);
3110 if (p != NULL) {
3111 BIO_printf(io,
3112 "---\nCiphers common between both SSL end points:\n");
3113 j = i = 0;
3114 while (*p) {
3115 if (*p == ':') {
3116 BIO_write(io, space, 26 - j);
3117 i++;
3118 j = 0;
3119 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3120 } else {
3121 BIO_write(io, p, 1);
3122 j++;
3123 }
3124 p++;
3125 }
3126 BIO_puts(io, "\n");
3127 }
3128 ssl_print_sigalgs(io, con);
3129#ifndef OPENSSL_NO_EC
de4d764e 3130 ssl_print_groups(io, con, 0);
0f113f3e 3131#endif
5969a2dd 3132 print_ca_names(io, con);
b577fd0b 3133 BIO_printf(io, (SSL_session_reused(con)
0f113f3e
MC
3134 ? "---\nReused, " : "---\nNew, "));
3135 c = SSL_get_current_cipher(con);
3136 BIO_printf(io, "%s, Cipher is %s\n",
3137 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3138 SSL_SESSION_print(io, SSL_get_session(con));
3139 BIO_printf(io, "---\n");
3140 print_stats(io, SSL_get_SSL_CTX(con));
3141 BIO_printf(io, "---\n");
3142 peer = SSL_get_peer_certificate(con);
3143 if (peer != NULL) {
3144 BIO_printf(io, "Client certificate\n");
3145 X509_print(io, peer);
3146 PEM_write_bio_X509(io, peer);
049f3655
F
3147 X509_free(peer);
3148 peer = NULL;
1a9f5cf0 3149 } else {
0f113f3e 3150 BIO_puts(io, "no client certificate available\n");
1a9f5cf0
XL
3151 }
3152 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
0f113f3e
MC
3153 break;
3154 } else if ((www == 2 || www == 3)
3155 && (strncmp("GET /", buf, 5) == 0)) {
3156 BIO *file;
3157 char *p, *e;
3158 static const char *text =
3159 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3160
3161 /* skip the '/' */
3162 p = &(buf[5]);
3163
3164 dot = 1;
3165 for (e = p; *e != '\0'; e++) {
3166 if (e[0] == ' ')
3167 break;
3168
3169 switch (dot) {
3170 case 1:
3171 dot = (e[0] == '.') ? 2 : 0;
3172 break;
3173 case 2:
3174 dot = (e[0] == '.') ? 3 : 0;
3175 break;
3176 case 3:
3177 dot = (e[0] == '/') ? -1 : 0;
3178 break;
3179 }
3180 if (dot == 0)
3181 dot = (e[0] == '/') ? 1 : 0;
3182 }
3183 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3184 * component */
3185
3186 if (*e == '\0') {
3187 BIO_puts(io, text);
3188 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3189 break;
3190 }
3191 *e = '\0';
3192
3193 if (dot) {
3194 BIO_puts(io, text);
3195 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3196 break;
3197 }
3198
3199 if (*p == '/') {
3200 BIO_puts(io, text);
3201 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3202 break;
3203 }
d02b48c6 3204
0f113f3e
MC
3205 /* if a directory, do the index thang */
3206 if (app_isdir(p) > 0) {
0f113f3e
MC
3207 BIO_puts(io, text);
3208 BIO_printf(io, "'%s' is a directory\r\n", p);
3209 break;
0f113f3e
MC
3210 }
3211
3212 if ((file = BIO_new_file(p, "r")) == NULL) {
3213 BIO_puts(io, text);
3214 BIO_printf(io, "Error opening '%s'\r\n", p);
3215 ERR_print_errors(io);
3216 break;
3217 }
3218
3219 if (!s_quiet)
3220 BIO_printf(bio_err, "FILE:%s\n", p);
3221
3222 if (www == 2) {
3223 i = strlen(p);
3224 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3225 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3226 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3227 BIO_puts(io,
3228 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3229 else
3230 BIO_puts(io,
3231 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3232 }
3233 /* send the file */
3234 for (;;) {
3235 i = BIO_read(file, buf, bufsize);
3236 if (i <= 0)
3237 break;
d02b48c6 3238
dfeab068 3239#ifdef RENEG
0f113f3e 3240 total_bytes += i;
7768e116 3241 BIO_printf(bio_err, "%d\n", i);
0f113f3e
MC
3242 if (total_bytes > 3 * 1024) {
3243 total_bytes = 0;
7768e116 3244 BIO_printf(bio_err, "RENEGOTIATE\n");
0f113f3e
MC
3245 SSL_renegotiate(con);
3246 }
3247#endif
3248
3249 for (j = 0; j < i;) {
58964a49 3250#ifdef RENEG
54463e4f
F
3251 static count = 0;
3252 if (++count == 13) {
3253 SSL_renegotiate(con);
0f113f3e
MC
3254 }
3255#endif
3256 k = BIO_write(io, &(buf[j]), i - j);
3257 if (k <= 0) {
d6073e27
F
3258 if (!BIO_should_retry(io)
3259 && !SSL_waiting_for_async(con))
0f113f3e
MC
3260 goto write_error;
3261 else {
3262 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3263 }
3264 } else {
3265 j += k;
3266 }
3267 }
3268 }
3269 write_error:
3270 BIO_free(file);
3271 break;
3272 }
3273 }
3274
3275 for (;;) {
3276 i = (int)BIO_flush(io);
3277 if (i <= 0) {
3278 if (!BIO_should_retry(io))
3279 break;
3280 } else
3281 break;
3282 }
3283 end:
0f113f3e
MC
3284 /* make sure we re-use sessions */
3285 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
d02b48c6 3286
0f113f3e 3287 err:
b548a1f1 3288 OPENSSL_free(buf);
ca3a82c3 3289 BIO_free_all(io);
26a7d938 3290 return ret;
0f113f3e 3291}
d02b48c6 3292
72d0bc84 3293static int rev_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC
3294{
3295 char *buf = NULL;
3296 int i;
3297 int ret = 1;
3298 SSL *con;
3299 BIO *io, *ssl_bio, *sbio;
4f3df8be 3300
68dc6824 3301 buf = app_malloc(bufsize, "server rev buffer");
0f113f3e
MC
3302 io = BIO_new(BIO_f_buffer());
3303 ssl_bio = BIO_new(BIO_f_ssl());
3304 if ((io == NULL) || (ssl_bio == NULL))
3305 goto err;
4f3df8be 3306
0f113f3e
MC
3307 /* lets make the output buffer a reasonable size */
3308 if (!BIO_set_write_buffer_size(io, bufsize))
3309 goto err;
4f3df8be 3310
0f113f3e
MC
3311 if ((con = SSL_new(ctx)) == NULL)
3312 goto err;
e481f9b9 3313
0f113f3e
MC
3314 if (s_tlsextdebug) {
3315 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3316 SSL_set_tlsext_debug_arg(con, bio_s_out);
3317 }
2234212c 3318 if (context != NULL
d6073e27
F
3319 && !SSL_set_session_id_context(con, context,
3320 strlen((char *)context))) {
ac59d705
MC
3321 ERR_print_errors(bio_err);
3322 goto err;
3323 }
0f113f3e
MC
3324
3325 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3326 SSL_set_bio(con, sbio, sbio);
3327 SSL_set_accept_state(con);
3328
3329 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3330 BIO_push(io, ssl_bio);
4f3df8be 3331#ifdef CHARSET_EBCDIC
0f113f3e 3332 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
4f3df8be
DSH
3333#endif
3334
0f113f3e 3335 if (s_debug) {
0f113f3e
MC
3336 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3337 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3338 }
3339 if (s_msg) {
4f3df8be 3340#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC
3341 if (s_msg == 2)
3342 SSL_set_msg_callback(con, SSL_trace);
3343 else
3344#endif
3345 SSL_set_msg_callback(con, msg_cb);
3346 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3347 }
3348
3349 for (;;) {
3350 i = BIO_do_handshake(io);
3351 if (i > 0)
3352 break;
3353 if (!BIO_should_retry(io)) {
3354 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3355 ERR_print_errors(bio_err);
3356 goto end;
3357 }
4e7e6230
DSH
3358#ifndef OPENSSL_NO_SRP
3359 if (BIO_should_io_special(io)
3360 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3361 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
380f18ed 3362 SRP_user_pwd_free(srp_callback_parm.user);
4e7e6230 3363 srp_callback_parm.user =
380f18ed
EK
3364 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3365 srp_callback_parm.login);
4e7e6230
DSH
3366 if (srp_callback_parm.user)
3367 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3368 srp_callback_parm.user->info);
3369 else
3370 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3371 continue;
3372 }
3373#endif
0f113f3e
MC
3374 }
3375 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 3376 print_ssl_summary(con);
0f113f3e
MC
3377
3378 for (;;) {
3379 i = BIO_gets(io, buf, bufsize - 1);
3380 if (i < 0) { /* error */
3381 if (!BIO_should_retry(io)) {
3382 if (!s_quiet)
3383 ERR_print_errors(bio_err);
3384 goto err;
3385 } else {
3386 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH
3387#ifndef OPENSSL_NO_SRP
3388 if (BIO_should_io_special(io)
3389 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3390 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
380f18ed 3391 SRP_user_pwd_free(srp_callback_parm.user);
4e7e6230 3392 srp_callback_parm.user =
380f18ed
EK
3393 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3394 srp_callback_parm.login);
4e7e6230
DSH
3395 if (srp_callback_parm.user)
3396 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3397 srp_callback_parm.user->info);
3398 else
3399 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3400 continue;
3401 }
3402#endif
1fbab1dc 3403#if !defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC
3404 sleep(1);
3405#endif
3406 continue;
3407 }
3408 } else if (i == 0) { /* end of input */
3409 ret = 1;
3410 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3411 goto end;
3412 } else {
3413 char *p = buf + i - 1;
3414 while (i && (*p == '\n' || *p == '\r')) {
3415 p--;
3416 i--;
3417 }
86885c28 3418 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
0f113f3e
MC
3419 ret = 1;
3420 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3421 goto end;
3422 }
3423 BUF_reverse((unsigned char *)buf, NULL, i);
3424 buf[i] = '\n';
3425 BIO_write(io, buf, i + 1);
3426 for (;;) {
3427 i = BIO_flush(io);
3428 if (i > 0)
3429 break;
3430 if (!BIO_should_retry(io))
3431 goto end;
3432 }
3433 }
3434 }
3435 end:
3436 /* make sure we re-use sessions */
3437 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3438
3439 err:
3440
b548a1f1 3441 OPENSSL_free(buf);
ca3a82c3 3442 BIO_free_all(io);
26a7d938 3443 return ret;
0f113f3e 3444}
4f3df8be 3445
1aa0d947 3446#define MAX_SESSION_ID_ATTEMPTS 10
ae3947de 3447static int generate_session_id(SSL *ssl, unsigned char *id,
0f113f3e
MC
3448 unsigned int *id_len)
3449{
3450 unsigned int count = 0;
3451 do {
266483d2
MC
3452 if (RAND_bytes(id, *id_len) <= 0)
3453 return 0;
0f113f3e
MC
3454 /*
3455 * Prefix the session_id with the required prefix. NB: If our prefix
3456 * is too long, clip it - but there will be worse effects anyway, eg.
3457 * the server could only possibly create 1 session ID (ie. the
3458 * prefix!) so all future session negotiations will fail due to
3459 * conflicts.
3460 */
3461 memcpy(id, session_id_prefix,
3462 (strlen(session_id_prefix) < *id_len) ?
3463 strlen(session_id_prefix) : *id_len);
3464 }
3465 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3466 (++count < MAX_SESSION_ID_ATTEMPTS));
3467 if (count >= MAX_SESSION_ID_ATTEMPTS)
3468 return 0;
3469 return 1;
3470}
3471
3472/*
3473 * By default s_server uses an in-memory cache which caches SSL_SESSION
35b0ea4e
DSH
3474 * structures without any serialisation. This hides some bugs which only
3475 * become apparent in deployed servers. By implementing a basic external
3476 * session cache some issues can be debugged using s_server.
3477 */
3478
0f113f3e
MC
3479typedef struct simple_ssl_session_st {
3480 unsigned char *id;
3481 unsigned int idlen;
3482 unsigned char *der;
3483 int derlen;
3484 struct simple_ssl_session_st *next;
3485} simple_ssl_session;
35b0ea4e
DSH
3486
3487static simple_ssl_session *first = NULL;
3488
3489static int add_session(SSL *ssl, SSL_SESSION *session)
0f113f3e 3490{
b4faea50 3491 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
0f113f3e 3492 unsigned char *p;
35b0ea4e 3493
0f113f3e
MC
3494 SSL_SESSION_get_id(session, &sess->idlen);
3495 sess->derlen = i2d_SSL_SESSION(session, NULL);
7e1b7485
RS
3496 if (sess->derlen < 0) {
3497 BIO_printf(bio_err, "Error encoding session\n");
a194ee7b 3498 OPENSSL_free(sess);
7e1b7485
RS
3499 return 0;
3500 }
35b0ea4e 3501
7644a9ae 3502 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
68dc6824
RS
3503 sess->der = app_malloc(sess->derlen, "get session buffer");
3504 if (!sess->id) {
7e1b7485 3505 BIO_printf(bio_err, "Out of memory adding to external cache\n");
a194ee7b
RS
3506 OPENSSL_free(sess->id);
3507 OPENSSL_free(sess->der);
918bb865
MC
3508 OPENSSL_free(sess);
3509 return 0;
3510 }
0f113f3e 3511 p = sess->der;
7e1b7485
RS
3512
3513 /* Assume it still works. */
3514 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
ce6766de 3515 BIO_printf(bio_err, "Unexpected session encoding length\n");
a194ee7b
RS
3516 OPENSSL_free(sess->id);
3517 OPENSSL_free(sess->der);
3518 OPENSSL_free(sess);
ac59d705
MC
3519 return 0;
3520 }
35b0ea4e 3521
0f113f3e
MC
3522 sess->next = first;
3523 first = sess;
3524 BIO_printf(bio_err, "New session added to external cache\n");
3525 return 0;
3526}
35b0ea4e 3527
b6981744 3528static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
0f113f3e
MC
3529 int *do_copy)
3530{
3531 simple_ssl_session *sess;
3532 *do_copy = 0;
3533 for (sess = first; sess; sess = sess->next) {
3534 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3535 const unsigned char *p = sess->der;
3536 BIO_printf(bio_err, "Lookup session: cache hit\n");
3537 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3538 }
3539 }
3540 BIO_printf(bio_err, "Lookup session: cache miss\n");
3541 return NULL;
3542}
35b0ea4e
DSH
3543
3544static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
0f113f3e
MC
3545{
3546 simple_ssl_session *sess, *prev = NULL;
3547 const unsigned char *id;
3548 unsigned int idlen;
3549 id = SSL_SESSION_get_id(session, &idlen);
3550 for (sess = first; sess; sess = sess->next) {
3551 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3552 if (prev)
3553 prev->next = sess->next;
3554 else
3555 first = sess->next;
3556 OPENSSL_free(sess->id);
3557 OPENSSL_free(sess->der);
3558 OPENSSL_free(sess);
3559 return;
3560 }
3561 prev = sess;
3562 }
3563}
35b0ea4e
DSH
3564
3565static void init_session_cache_ctx(SSL_CTX *sctx)
0f113f3e
MC
3566{
3567 SSL_CTX_set_session_cache_mode(sctx,
3568 SSL_SESS_CACHE_NO_INTERNAL |
3569 SSL_SESS_CACHE_SERVER);
3570 SSL_CTX_sess_set_new_cb(sctx, add_session);
3571 SSL_CTX_sess_set_get_cb(sctx, get_session);
3572 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3573}
35b0ea4e
DSH
3574
3575static void free_sessions(void)
0f113f3e
MC
3576{
3577 simple_ssl_session *sess, *tsess;
3578 for (sess = first; sess;) {
3579 OPENSSL_free(sess->id);
3580 OPENSSL_free(sess->der);
3581 tsess = sess;
3582 sess = sess->next;
3583 OPENSSL_free(tsess);
3584 }
3585 first = NULL;
3586}
f9e55034 3587
d6073e27 3588#endif /* OPENSSL_NO_SOCK */