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Rename ossl_sleep calls to OSSL_sleep everywhere
[thirdparty/openssl.git] / apps / s_server.c
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846e33c7 1/*
fecb3aae 2 * Copyright 1995-2022 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 *
dffa7520 6 * Licensed under the Apache License 2.0 (the "License"). You may not use
846e33c7
RS		 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>
163f6dc1 24#include <openssl/decoder.h>
8c197cc5 25
f9e55034
MC		 26#ifndef OPENSSL_NO_SOCK
27
0f113f3e
MC		 28/*
29 * With IPv6, it looks like Digital has mixed up the proper order of
30 * recursive header file inclusion, resulting in the compiler complaining
31 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
32 * needed to have fileno() declared correctly... So let's define u_int
33 */
bc36ee62 34#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
0f113f3e 35# define __U_INT
7d7d2cbc
UM		 36typedef unsigned int u_int;
37#endif
38
ec577822 39#include <openssl/bn.h>
d02b48c6 40#include "apps.h"
dab2cd68 41#include "progs.h"
ec577822
BM		 42#include <openssl/err.h>
43#include <openssl/pem.h>
44#include <openssl/x509.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 49#endif
3a1ee3c1 50#include <openssl/rsa.h>
d02b48c6 51#include "s_apps.h"
36d16f8e 52#include "timeouts.h"
5fd1478d
MC		 53#ifdef CHARSET_EBCDIC
54#include <openssl/ebcdic.h>
55#endif
0e97f1e1 56#include "internal/sockets.h"
d02b48c6 57
7c2d4fee 58static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
72d0bc84
MC		 59static int sv_body(int s, int stype, int prot, unsigned char *context);
60static int www_body(int s, int stype, int prot, unsigned char *context);
61static int rev_body(int s, int stype, int prot, unsigned char *context);
0f113f3e 62static void close_accept_socket(void);
d02b48c6 63static int init_ssl_connection(SSL *s);
0f113f3e 64static void print_stats(BIO *bp, SSL_CTX *ctx);
ae3947de 65static int generate_session_id(SSL *ssl, unsigned char *id,
0f113f3e 66 unsigned int *id_len);
35b0ea4e
DSH		 67static void init_session_cache_ctx(SSL_CTX *sctx);
68static void free_sessions(void);
ade1e888 69static void print_connection_info(SSL *con);
ea262260 70
d6073e27 71static const int bufsize = 16 * 1024;
0f113f3e 72static int accept_socket = -1;
d02b48c6 73
0f113f3e 74#define TEST_CERT "server.pem"
e481f9b9 75#define TEST_CERT2 "server2.pem"
d02b48c6 76
0f113f3e 77static int s_nbio = 0;
0f113f3e 78static int s_nbio_test = 0;
df2ee0e2 79static int s_crlf = 0;
0f113f3e 80static SSL_CTX *ctx = NULL;
0f113f3e 81static SSL_CTX *ctx2 = NULL;
0f113f3e 82static int www = 0;
d02b48c6 83
0f113f3e 84static BIO *bio_s_out = NULL;
93ab9e42 85static BIO *bio_s_msg = NULL;
0f113f3e 86static int s_debug = 0;
0f113f3e 87static int s_tlsextdebug = 0;
0f113f3e
MC		 88static int s_msg = 0;
89static int s_quiet = 0;
90static int s_ign_eof = 0;
91static int s_brief = 0;
d02b48c6 92
0f113f3e
MC		 93static char *keymatexportlabel = NULL;
94static int keymatexportlen = 20;
e0af0405 95
7e25dd6d
MC		 96static int async = 0;
97
cd81ac7b
TZ		 98static int use_sendfile = 0;
99
0f113f3e 100static const char *session_id_prefix = NULL;
b74ba295 101
a7a14a23 102#ifndef OPENSSL_NO_DTLS
36d16f8e 103static int enable_timeouts = 0;
b1277b99 104static long socket_mtu;
f2ff1432 105#endif
36d16f8e 106
9998b32c
MC		 107/*
108 * We define this but make it always be 0 in no-dtls builds to simplify the
109 * code.
110 */
111static int dtlslisten = 0;
c2f9648d 112static int stateless = 0;
9998b32c 113
593a2aa3 114static int early_data = 0;
df894947 115static SSL_SESSION *psksess = NULL;
593a2aa3 116
720b6cbe 117static char *psk_identity = "Client_identity";
0f113f3e 118char *psk_key = NULL; /* by default PSK is not used */
ddac1974 119
c3be39f2
LZ		 120static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
121
14e35350 122#ifndef OPENSSL_NO_PSK
ddac1974 123static unsigned int psk_server_cb(SSL *ssl, const char *identity,
0f113f3e
MC		 124 unsigned char *psk,
125 unsigned int max_psk_len)
126{
6ec6d520
DSH		 127 long key_len = 0;
128 unsigned char *key;
0f113f3e
MC		 129
130 if (s_debug)
131 BIO_printf(bio_s_out, "psk_server_cb\n");
0007ff25 132
8b09a9c7 133 if (!SSL_is_dtls(ssl) && SSL_version(ssl) >= TLS1_3_VERSION) {
0007ff25 134 /*
8b09a9c7
MC		 135 * This callback is designed for use in (D)TLSv1.2 (or below). It is
136 * possible to use a single callback for all protocol versions - but it
137 * is preferred to use a dedicated callback for TLSv1.3. For TLSv1.3 we
138 * have psk_find_session_cb.
0007ff25
MC		 139 */
140 return 0;
141 }
142
2234212c 143 if (identity == NULL) {
0f113f3e
MC		 144 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
145 goto out_err;
146 }
147 if (s_debug)
148 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
11abf922 149 (int)strlen(identity), identity);
0f113f3e
MC		 150
151 /* here we could lookup the given identity e.g. from a database */
152 if (strcmp(identity, psk_identity) != 0) {
720b6cbe 153 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
0f113f3e 154 " (got '%s' expected '%s')\n", identity, psk_identity);
720b6cbe
DKG		 155 } else {
156 if (s_debug)
0f113f3e 157 BIO_printf(bio_s_out, "PSK client identity found\n");
720b6cbe 158 }
0f113f3e
MC		 159
160 /* convert the PSK key to binary */
6ec6d520
DSH		 161 key = OPENSSL_hexstr2buf(psk_key, &key_len);
162 if (key == NULL) {
163 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
0f113f3e 164 psk_key);
0f113f3e
MC		 165 return 0;
166 }
6ec6d520 167 if (key_len > (int)max_psk_len) {
0f113f3e 168 BIO_printf(bio_err,
6ec6d520
DSH		 169 "psk buffer of callback is too small (%d) for key (%ld)\n",
170 max_psk_len, key_len);
171 OPENSSL_free(key);
0f113f3e
MC		 172 return 0;
173 }
174
6ec6d520
DSH		 175 memcpy(psk, key, key_len);
176 OPENSSL_free(key);
0f113f3e
MC		 177
178 if (s_debug)
6ec6d520
DSH		 179 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
180 return key_len;
ddac1974 181 out_err:
0f113f3e
MC		 182 if (s_debug)
183 BIO_printf(bio_err, "Error in PSK server callback\n");
c54cc2b1
RS		 184 (void)BIO_flush(bio_err);
185 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 186 return 0;
187}
ddac1974 188#endif
36d16f8e 189
df894947
MC		 190static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
191 size_t identity_len, SSL_SESSION **sess)
192{
5ffff599
MC		 193 SSL_SESSION *tmpsess = NULL;
194 unsigned char *key;
195 long key_len;
196 const SSL_CIPHER *cipher = NULL;
197
df894947 198 if (strlen(psk_identity) != identity_len
c9d6fdd6 199 || memcmp(psk_identity, identity, identity_len) != 0) {
2d015189
MC		 200 *sess = NULL;
201 return 1;
c9d6fdd6 202 }
df894947 203
5ffff599
MC		 204 if (psksess != NULL) {
205 SSL_SESSION_up_ref(psksess);
206 *sess = psksess;
207 return 1;
208 }
209
210 key = OPENSSL_hexstr2buf(psk_key, &key_len);
211 if (key == NULL) {
212 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
213 psk_key);
214 return 0;
215 }
216
e73c6eae
MC		 217 /* We default to SHA256 */
218 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
5ffff599 219 if (cipher == NULL) {
e73c6eae 220 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
fbccfedf 221 OPENSSL_free(key);
5ffff599
MC		 222 return 0;
223 }
224
225 tmpsess = SSL_SESSION_new();
226 if (tmpsess == NULL
227 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
228 || !SSL_SESSION_set_cipher(tmpsess, cipher)
229 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
230 OPENSSL_free(key);
231 return 0;
232 }
233 OPENSSL_free(key);
234 *sess = tmpsess;
df894947
MC		 235
236 return 1;
237}
238
edc032b5 239#ifndef OPENSSL_NO_SRP
1fb6b0bf 240static srpsrvparm srp_callback_parm;
edc032b5
BL		 241#endif
242
0f113f3e 243static int local_argc = 0;
d02b48c6 244static char **local_argv;
d02b48c6 245
a53955d8
UM		 246#ifdef CHARSET_EBCDIC
247static int ebcdic_new(BIO *bi);
248static int ebcdic_free(BIO *a);
249static int ebcdic_read(BIO *b, char *out, int outl);
0fd05a2f
BM		 250static int ebcdic_write(BIO *b, const char *in, int inl);
251static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
a53955d8 252static int ebcdic_gets(BIO *bp, char *buf, int size);
0fd05a2f 253static int ebcdic_puts(BIO *bp, const char *str);
a53955d8 254
0f113f3e 255# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
5fd1478d 256static BIO_METHOD *methods_ebcdic = NULL;
0f113f3e 257
68dc6824 258/* This struct is "unwarranted chumminess with the compiler." */
0f113f3e
MC		 259typedef struct {
260 size_t alloced;
261 char buff[1];
a53955d8
UM		 262} EBCDIC_OUTBUFF;
263
5fd1478d 264static const BIO_METHOD *BIO_f_ebcdic_filter()
a53955d8 265{
5fd1478d
MC		 266 if (methods_ebcdic == NULL) {
267 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
d6073e27
F		 268 "EBCDIC/ASCII filter");
269 if (methods_ebcdic == NULL
5fd1478d
MC		 270 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
271 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
272 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
273 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
274 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
275 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
276 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
277 return NULL;
278 }
279 return methods_ebcdic;
a53955d8
UM		 280}
281
282static int ebcdic_new(BIO *bi)
283{
0f113f3e 284 EBCDIC_OUTBUFF *wbuf;
a53955d8 285
b4faea50 286 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
0f113f3e
MC		 287 wbuf->alloced = 1024;
288 wbuf->buff[0] = '\0';
a53955d8 289
5fd1478d
MC		 290 BIO_set_data(bi, wbuf);
291 BIO_set_init(bi, 1);
292 return 1;
a53955d8
UM		 293}
294
295static int ebcdic_free(BIO *a)
296{
5fd1478d
MC		 297 EBCDIC_OUTBUFF *wbuf;
298
0f113f3e 299 if (a == NULL)
5fd1478d
MC		 300 return 0;
301 wbuf = BIO_get_data(a);
302 OPENSSL_free(wbuf);
303 BIO_set_data(a, NULL);
304 BIO_set_init(a, 0);
305
306 return 1;
a53955d8 307}
0f113f3e 308
a53955d8
UM		 309static int ebcdic_read(BIO *b, char *out, int outl)
310{
0f113f3e 311 int ret = 0;
5fd1478d 312 BIO *next = BIO_next(b);
a53955d8 313
0f113f3e 314 if (out == NULL || outl == 0)
26a7d938 315 return 0;
5fd1478d 316 if (next == NULL)
26a7d938 317 return 0;
a53955d8 318
5fd1478d 319 ret = BIO_read(next, out, outl);
0f113f3e
MC		 320 if (ret > 0)
321 ascii2ebcdic(out, out, ret);
5fd1478d 322 return ret;
a53955d8
UM		 323}
324
0fd05a2f 325static int ebcdic_write(BIO *b, const char *in, int inl)
a53955d8 326{
0f113f3e 327 EBCDIC_OUTBUFF *wbuf;
5fd1478d 328 BIO *next = BIO_next(b);
0f113f3e
MC		 329 int ret = 0;
330 int num;
a53955d8 331
0f113f3e 332 if ((in == NULL) || (inl <= 0))
26a7d938 333 return 0;
5fd1478d
MC		 334 if (next == NULL)
335 return 0;
a53955d8 336
5fd1478d 337 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
a53955d8 338
0f113f3e
MC		 339 if (inl > (num = wbuf->alloced)) {
340 num = num + num; /* double the size */
341 if (num < inl)
342 num = inl;
5fd1478d 343 OPENSSL_free(wbuf);
b4faea50 344 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
a53955d8 345
0f113f3e
MC		 346 wbuf->alloced = num;
347 wbuf->buff[0] = '\0';
a53955d8 348
5fd1478d 349 BIO_set_data(b, wbuf);
0f113f3e 350 }
a53955d8 351
0f113f3e 352 ebcdic2ascii(wbuf->buff, in, inl);
a53955d8 353
5fd1478d 354 ret = BIO_write(next, wbuf->buff, inl);
a53955d8 355
26a7d938 356 return ret;
a53955d8
UM		 357}
358
0fd05a2f 359static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
a53955d8 360{
0f113f3e 361 long ret;
5fd1478d 362 BIO *next = BIO_next(b);
0f113f3e 363
5fd1478d 364 if (next == NULL)
26a7d938 365 return 0;
0f113f3e
MC		 366 switch (cmd) {
367 case BIO_CTRL_DUP:
368 ret = 0L;
369 break;
370 default:
5fd1478d 371 ret = BIO_ctrl(next, cmd, num, ptr);
0f113f3e
MC		 372 break;
373 }
26a7d938 374 return ret;
a53955d8
UM		 375}
376
377static int ebcdic_gets(BIO *bp, char *buf, int size)
378{
0f113f3e 379 int i, ret = 0;
5fd1478d
MC		 380 BIO *next = BIO_next(bp);
381
382 if (next == NULL)
383 return 0;
0f113f3e
MC		 384/* return(BIO_gets(bp->next_bio,buf,size));*/
385 for (i = 0; i < size - 1; ++i) {
386 ret = ebcdic_read(bp, &buf[i], 1);
387 if (ret <= 0)
388 break;
389 else if (buf[i] == '\n') {
390 ++i;
391 break;
392 }
393 }
394 if (i < size)
395 buf[i] = '\0';
396 return (ret < 0 && i == 0) ? ret : i;
a53955d8
UM		 397}
398
0fd05a2f 399static int ebcdic_puts(BIO *bp, const char *str)
a53955d8 400{
5fd1478d
MC		 401 if (BIO_next(bp) == NULL)
402 return 0;
0f113f3e 403 return ebcdic_write(bp, str, strlen(str));
a53955d8
UM		 404}
405#endif
406
ed3883d2
BM		 407/* This is a context that we pass to callbacks */
408typedef struct tlsextctx_st {
0f113f3e
MC		 409 char *servername;
410 BIO *biodebug;
411 int extension_error;
ed3883d2
BM		 412} tlsextctx;
413
6d23cf97 414static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 415{
416 tlsextctx *p = (tlsextctx *) arg;
417 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
0d68367a
RS		 418
419 if (servername != NULL && p->biodebug != NULL) {
420 const char *cp = servername;
421 unsigned char uc;
422
423 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
424 while ((uc = *cp++) != 0)
425 BIO_printf(p->biodebug,
17860288 426 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
0d68367a
RS		 427 BIO_printf(p->biodebug, "\"\n");
428 }
0f113f3e 429
2234212c 430 if (p->servername == NULL)
0f113f3e
MC		 431 return SSL_TLSEXT_ERR_NOACK;
432
2234212c 433 if (servername != NULL) {
fba140c7 434 if (OPENSSL_strcasecmp(servername, p->servername))
0f113f3e 435 return p->extension_error;
2234212c 436 if (ctx2 != NULL) {
0f113f3e
MC		 437 BIO_printf(p->biodebug, "Switching server context.\n");
438 SSL_set_SSL_CTX(s, ctx2);
439 }
440 }
441 return SSL_TLSEXT_ERR_OK;
ed3883d2 442}
67c8e7f4
DSH		 443
444/* Structure passed to cert status callback */
67c8e7f4 445typedef struct tlsextstatusctx_st {
f5ca0b04 446 int timeout;
acf65ae5
MC		 447 /* File to load OCSP Response from (or NULL if no file) */
448 char *respin;
0f113f3e
MC		 449 /* Default responder to use */
450 char *host, *path, *port;
80a4ac57 451 char *proxy, *no_proxy;
0f113f3e 452 int use_ssl;
0f113f3e 453 int verbose;
67c8e7f4
DSH		 454} tlsextstatusctx;
455
f5ca0b04 456static tlsextstatusctx tlscstatp = { -1 };
67c8e7f4 457
3e41ac35 458#ifndef OPENSSL_NO_OCSP
acf65ae5 459
0f113f3e 460/*
acf65ae5
MC		 461 * Helper function to get an OCSP_RESPONSE from a responder. This is a
462 * simplified version. It examines certificates each time and makes one OCSP
463 * responder query for each request. A full version would store details such as
464 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
465 * them until they were considered "expired".
67c8e7f4 466 */
acf65ae5
MC		 467static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
468 OCSP_RESPONSE **resp)
0f113f3e 469{
4c9b0a03 470 char *host = NULL, *port = NULL, *path = NULL;
80a4ac57 471 char *proxy = NULL, *no_proxy = NULL;
0f113f3e 472 int use_ssl;
0f113f3e
MC		 473 STACK_OF(OPENSSL_STRING) *aia = NULL;
474 X509 *x = NULL;
f0e0fd51
RS		 475 X509_STORE_CTX *inctx = NULL;
476 X509_OBJECT *obj;
0f113f3e 477 OCSP_REQUEST *req = NULL;
0f113f3e
MC		 478 OCSP_CERTID *id = NULL;
479 STACK_OF(X509_EXTENSION) *exts;
480 int ret = SSL_TLSEXT_ERR_NOACK;
481 int i;
7e1b7485 482
0f113f3e
MC		 483 /* Build up OCSP query from server certificate */
484 x = SSL_get_certificate(s);
485 aia = X509_get1_ocsp(x);
2234212c 486 if (aia != NULL) {
7932982b
DDO		 487 if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0), &use_ssl,
488 NULL, &host, &port, NULL, &path, NULL, NULL)) {
7e1b7485 489 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
0f113f3e
MC		 490 goto err;
491 }
492 if (srctx->verbose)
7e1b7485 493 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
0f113f3e
MC		 494 sk_OPENSSL_STRING_value(aia, 0));
495 } else {
2234212c 496 if (srctx->host == NULL) {
7e1b7485 497 BIO_puts(bio_err,
0f113f3e
MC		 498 "cert_status: no AIA and no default responder URL\n");
499 goto done;
500 }
501 host = srctx->host;
502 path = srctx->path;
503 port = srctx->port;
504 use_ssl = srctx->use_ssl;
505 }
80a4ac57
DDO		 506 proxy = srctx->proxy;
507 no_proxy = srctx->no_proxy;
0f113f3e 508
f0e0fd51
RS		 509 inctx = X509_STORE_CTX_new();
510 if (inctx == NULL)
511 goto err;
512 if (!X509_STORE_CTX_init(inctx,
0f113f3e
MC		 513 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
514 NULL, NULL))
515 goto err;
6ddbb4cd
RS		 516 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
517 X509_get_issuer_name(x));
f0e0fd51 518 if (obj == NULL) {
7e1b7485 519 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
0f113f3e
MC		 520 goto done;
521 }
f0e0fd51
RS		 522 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
523 X509_OBJECT_free(obj);
2234212c 524 if (id == NULL)
0f113f3e 525 goto err;
0461b7ea
MC		 526 req = OCSP_REQUEST_new();
527 if (req == NULL)
528 goto err;
0f113f3e
MC		 529 if (!OCSP_request_add0_id(req, id))
530 goto err;
531 id = NULL;
532 /* Add any extensions to the request */
533 SSL_get_tlsext_status_exts(s, &exts);
534 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
535 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
536 if (!OCSP_REQUEST_add_ext(req, ext, -1))
537 goto err;
538 }
88d96983
DDO		 539 *resp = process_responder(req, host, port, path, proxy, no_proxy,
540 use_ssl, NULL /* headers */, srctx->timeout);
acf65ae5 541 if (*resp == NULL) {
7e1b7485 542 BIO_puts(bio_err, "cert_status: error querying responder\n");
0f113f3e
MC		 543 goto done;
544 }
acf65ae5 545
0f113f3e 546 ret = SSL_TLSEXT_ERR_OK;
f0e0fd51
RS		 547 goto done;
548
549 err:
550 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
0f113f3e 551 done:
6530c490
MC		 552 /*
553 * If we parsed aia we need to free; otherwise they were copied and we
554 * don't
555 */
f5ca0b04 556 if (aia != NULL) {
0f113f3e
MC		 557 OPENSSL_free(host);
558 OPENSSL_free(path);
559 OPENSSL_free(port);
560 X509_email_free(aia);
561 }
25aaa98a
RS		 562 OCSP_CERTID_free(id);
563 OCSP_REQUEST_free(req);
f0e0fd51 564 X509_STORE_CTX_free(inctx);
0f113f3e 565 return ret;
0f113f3e 566}
acf65ae5
MC		 567
568/*
569 * Certificate Status callback. This is called when a client includes a
570 * certificate status request extension. The response is either obtained from a
571 * file, or from an OCSP responder.
572 */
573static int cert_status_cb(SSL *s, void *arg)
574{
575 tlsextstatusctx *srctx = arg;
576 OCSP_RESPONSE *resp = NULL;
577 unsigned char *rspder = NULL;
578 int rspderlen;
579 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
580
581 if (srctx->verbose)
582 BIO_puts(bio_err, "cert_status: callback called\n");
583
584 if (srctx->respin != NULL) {
585 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
586 if (derbio == NULL) {
587 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
588 goto err;
589 }
590 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
591 BIO_free(derbio);
f5ca0b04 592 if (resp == NULL) {
acf65ae5
MC		 593 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
594 goto err;
595 }
596 } else {
597 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
598 if (ret != SSL_TLSEXT_ERR_OK)
599 goto err;
600 }
601
602 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
603 if (rspderlen <= 0)
604 goto err;
605
606 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
607 if (srctx->verbose) {
608 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
609 OCSP_RESPONSE_print(bio_err, resp, 2);
610 }
611
612 ret = SSL_TLSEXT_ERR_OK;
613
614 err:
615 if (ret != SSL_TLSEXT_ERR_OK)
616 ERR_print_errors(bio_err);
617
618 OCSP_RESPONSE_free(resp);
619
620 return ret;
621}
3e41ac35 622#endif
ee2ffc27 623
e481f9b9 624#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 625/* This is the context that we pass to next_proto_cb */
626typedef struct tlsextnextprotoctx_st {
0f113f3e 627 unsigned char *data;
f2ff1432 628 size_t len;
ee2ffc27
BL		 629} tlsextnextprotoctx;
630
0f113f3e
MC		 631static int next_proto_cb(SSL *s, const unsigned char **data,
632 unsigned int *len, void *arg)
633{
634 tlsextnextprotoctx *next_proto = arg;
ee2ffc27 635
0f113f3e
MC		 636 *data = next_proto->data;
637 *len = next_proto->len;
ee2ffc27 638
0f113f3e
MC		 639 return SSL_TLSEXT_ERR_OK;
640}
e481f9b9 641#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
6f017a8f
AL		 642
643/* This the context that we pass to alpn_cb */
644typedef struct tlsextalpnctx_st {
0f113f3e 645 unsigned char *data;
817cd0d5 646 size_t len;
6f017a8f
AL		 647} tlsextalpnctx;
648
0f113f3e
MC		 649static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
650 const unsigned char *in, unsigned int inlen, void *arg)
651{
652 tlsextalpnctx *alpn_ctx = arg;
653
654 if (!s_quiet) {
655 /* We can assume that |in| is syntactically valid. */
817cd0d5 656 unsigned int i;
0f113f3e
MC		 657 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
658 for (i = 0; i < inlen;) {
659 if (i)
660 BIO_write(bio_s_out, ", ", 2);
661 BIO_write(bio_s_out, &in[i + 1], in[i]);
662 i += in[i] + 1;
663 }
664 BIO_write(bio_s_out, "\n", 1);
665 }
666
667 if (SSL_select_next_proto
668 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
669 inlen) != OPENSSL_NPN_NEGOTIATED) {
9e885a70 670 return SSL_TLSEXT_ERR_ALERT_FATAL;
0f113f3e
MC		 671 }
672
673 if (!s_quiet) {
674 BIO_printf(bio_s_out, "ALPN protocols selected: ");
675 BIO_write(bio_s_out, *out, *outlen);
676 BIO_write(bio_s_out, "\n", 1);
677 }
678
679 return SSL_TLSEXT_ERR_OK;
680}
ed3883d2 681
7c2d4fee 682static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
0f113f3e
MC		 683{
684 /* disable resumption for sessions with forward secure ciphers */
685 return is_forward_secure;
686}
7c2d4fee 687
7e1b7485 688typedef enum OPTION_choice {
b0f96018
DDO		 689 OPT_COMMON,
690 OPT_ENGINE,
ab69ac00 691 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
a7c04f2b 692 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
7e1b7485
RS		 693 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
694 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
695 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
2b6bcb70 696 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
7e1b7485 697 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
2b6bcb70 698 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
fd3397fc
RL		 699 OPT_VERIFYCAFILE,
700 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
701 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
2b6bcb70 702 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
80a4ac57
DDO		 703 OPT_STATUS_TIMEOUT, OPT_PROXY, OPT_NO_PROXY, OPT_STATUS_URL,
704 OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
acf65ae5
MC		 705 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
706 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
df894947
MC		 707 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
708 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
709 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
28e5ea88 710 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
582a17d6 711 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
c2f9648d 712 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
3ee1eac2 713 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
cd81ac7b 714 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE,
7e1b7485 715 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
bafe9cf5 716 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
09d62b33 717 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
e2ef7f12 718 OPT_HTTP_SERVER_BINMODE, OPT_NOCANAMES, OPT_IGNORE_UNEXPECTED_EOF, OPT_KTLS,
a3e53d56 719 OPT_TFO,
3ee1eac2 720 OPT_R_ENUM,
7e1b7485
RS		 721 OPT_S_ENUM,
722 OPT_V_ENUM,
6bd4e3f2
P		 723 OPT_X_ENUM,
724 OPT_PROV_ENUM
7e1b7485
RS		 725} OPTION_CHOICE;
726
44c83ebd 727const OPTIONS s_server_options[] = {
5388f986 728 OPT_SECTION("General"),
7e1b7485 729 {"help", OPT_HELP, '-', "Display this summary"},
5388f986 730 {"ssl_config", OPT_SSL_CONFIG, 's',
359efeac 731 "Configure SSL_CTX using the given configuration value"},
5388f986
RS		 732#ifndef OPENSSL_NO_SSL_TRACE
733 {"trace", OPT_TRACE, '-', "trace protocol messages"},
734#endif
735#ifndef OPENSSL_NO_ENGINE
736 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
737#endif
738
739 OPT_SECTION("Network"),
32eabe34
MR		 740 {"port", OPT_PORT, 'p',
741 "TCP/IP port to listen on for connections (default is " PORT ")"},
ab69ac00 742 {"accept", OPT_ACCEPT, 's',
a22f9c84 743 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
ab69ac00 744#ifdef AF_UNIX
7e1b7485 745 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
5388f986 746 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
ab69ac00
RL		 747#endif
748 {"4", OPT_4, '-', "Use IPv4 only"},
749 {"6", OPT_6, '-', "Use IPv6 only"},
a3e53d56
TS		 750#if defined(TCP_FASTOPEN) && !defined(OPENSSL_NO_TFO)
751 {"tfo", OPT_TFO, '-', "Listen for TCP Fast Open connections"},
752#endif
5388f986
RS		 753
754 OPT_SECTION("Identity"),
7e1b7485 755 {"context", OPT_CONTEXT, 's', "Set session ID context"},
5388f986
RS		 756 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
757 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
758 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
759 {"no-CAfile", OPT_NOCAFILE, '-',
760 "Do not load the default certificates file"},
761 {"no-CApath", OPT_NOCAPATH, '-',
762 "Do not load certificates from the default certificates directory"},
763 {"no-CAstore", OPT_NOCASTORE, '-',
764 "Do not load certificates from the default certificates store URI"},
765 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
7e1b7485
RS		 766 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
767 {"Verify", OPT_UPPER_V_VERIFY, 'n',
768 "Turn on peer certificate verification, must have a cert"},
2b264aee 769 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
2a33470b 770 {"cert", OPT_CERT, '<', "Server certificate file to use; default " TEST_CERT},
5388f986 771 {"cert2", OPT_CERT2, '<',
2a33470b 772 "Certificate file to use for servername; default " TEST_CERT2},
2b264aee 773 {"certform", OPT_CERTFORM, 'F',
6d382c74 774 "Server certificate file format (PEM/DER/P12); has no effect"},
2b264aee
DDO		 775 {"cert_chain", OPT_CERT_CHAIN, '<',
776 "Server certificate chain file in PEM format"},
777 {"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"},
7e1b7485
RS		 778 {"serverinfo", OPT_SERVERINFO, 's',
779 "PEM serverinfo file for certificate"},
75c445e4 780 {"key", OPT_KEY, 's',
2b264aee
DDO		 781 "Private key file to use; default is -cert file or else" TEST_CERT},
782 {"key2", OPT_KEY2, '<',
783 "-Private Key file to use for servername if not in -cert2"},
6d382c74 784 {"keyform", OPT_KEYFORM, 'f', "Key format (ENGINE, other values ignored)"},
2a33470b 785 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
7e1b7485 786 {"dcert", OPT_DCERT, '<',
2b264aee 787 "Second server certificate file to use (usually for DSA)"},
7e1b7485 788 {"dcertform", OPT_DCERTFORM, 'F',
6d382c74 789 "Second server certificate file format (PEM/DER/P12); has no effect"},
2b264aee
DDO		 790 {"dcert_chain", OPT_DCERT_CHAIN, '<',
791 "second server certificate chain file in PEM format"},
7e1b7485
RS		 792 {"dkey", OPT_DKEY, '<',
793 "Second private key file to use (usually for DSA)"},
794 {"dkeyform", OPT_DKEYFORM, 'F',
6d382c74 795 "Second key file format (ENGINE, other values ignored)"},
9c73e48a
DO		 796 {"dpass", OPT_DPASS, 's',
797 "Second private key and cert file pass phrase source"},
2b264aee 798 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
5388f986
RS		 799 {"servername", OPT_SERVERNAME, 's',
800 "Servername for HostName TLS extension"},
801 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
359efeac 802 "On servername mismatch send fatal alert (default warning alert)"},
7e1b7485
RS		 803 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
804 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
7e1b7485 805 {"quiet", OPT_QUIET, '-', "No server output"},
7e1b7485
RS		 806 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
807 "Disable caching and tickets if ephemeral (EC)DH is used"},
808 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
809 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
09b90e0e
DB		 810 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
811 "Do not treat lack of close_notify from a peer as an error"},
7e1b7485
RS		 812 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
813 "Hex dump of all TLS extensions received"},
ceab33e2 814 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
9c3bcfa0
RS		 815 {"id_prefix", OPT_ID_PREFIX, 's',
816 "Generate SSL/TLS session IDs prefixed by arg"},
7e1b7485
RS		 817 {"keymatexport", OPT_KEYMATEXPORT, 's',
818 "Export keying material using label"},
819 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
2a33470b 820 "Export len bytes of keying material; default 20"},
32eabe34 821 {"CRL", OPT_CRL, '<', "CRL file to use"},
2b264aee 822 {"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"},
32eabe34 823 {"crl_download", OPT_CRL_DOWNLOAD, '-',
2b264aee
DDO		 824 "Download CRLs from distribution points in certificate CDP entries"},
825 {"chainCAfile", OPT_CHAINCAFILE, '<',
826 "CA file for certificate chain (PEM format)"},
32eabe34
MR		 827 {"chainCApath", OPT_CHAINCAPATH, '/',
828 "use dir as certificate store path to build CA certificate chain"},
fd3397fc
RL		 829 {"chainCAstore", OPT_CHAINCASTORE, ':',
830 "use URI as certificate store to build CA certificate chain"},
2b264aee
DDO		 831 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
832 "CA file for certificate verification (PEM format)"},
32eabe34
MR		 833 {"verifyCApath", OPT_VERIFYCAPATH, '/',
834 "use dir as certificate store path to verify CA certificate"},
fd3397fc
RL		 835 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
836 "use URI as certificate store to verify CA certificate"},
32eabe34
MR		 837 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
838 {"ext_cache", OPT_EXT_CACHE, '-',
359efeac 839 "Disable internal cache, set up and use external cache"},
32eabe34
MR		 840 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
841 "Close connection on verification error"},
842 {"verify_quiet", OPT_VERIFY_QUIET, '-',
843 "No verify output except verify errors"},
359efeac
DDO		 844 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input EOF (default when -quiet)"},
845 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input EOF"},
5388f986 846
3e41ac35 847#ifndef OPENSSL_NO_OCSP
5388f986 848 OPT_SECTION("OCSP"),
32eabe34
MR		 849 {"status", OPT_STATUS, '-', "Request certificate status from server"},
850 {"status_verbose", OPT_STATUS_VERBOSE, '-',
851 "Print more output in certificate status callback"},
852 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
853 "Status request responder timeout"},
854 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
80a4ac57
DDO		 855 {"proxy", OPT_PROXY, 's',
856 "[http[s]://]host[:port][/path] of HTTP(S) proxy to use; path is ignored"},
857 {"no_proxy", OPT_NO_PROXY, 's',
858 "List of addresses of servers not to use HTTP(S) proxy for"},
859 {OPT_MORE_STR, 0, 0,
860 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
acf65ae5
MC		 861 {"status_file", OPT_STATUS_FILE, '<',
862 "File containing DER encoded OCSP Response"},
3e41ac35 863#endif
5388f986
RS		 864
865 OPT_SECTION("Debug"),
32eabe34
MR		 866 {"security_debug", OPT_SECURITY_DEBUG, '-',
867 "Print output from SSL/TLS security framework"},
868 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
869 "Print more output from SSL/TLS security framework"},
d6073e27 870 {"brief", OPT_BRIEF, '-',
32eabe34
MR		 871 "Restrict output to brief summary of connection parameters"},
872 {"rev", OPT_REV, '-',
04fb4ec8 873 "act as an echo server that sends back received text reversed"},
5388f986
RS		 874 {"debug", OPT_DEBUG, '-', "Print more output"},
875 {"msg", OPT_MSG, '-', "Show protocol messages"},
876 {"msgfile", OPT_MSGFILE, '>',
877 "File to send output of -msg or -trace, instead of stdout"},
878 {"state", OPT_STATE, '-', "Print the SSL states"},
7e25dd6d 879 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
36b2cfb1 880 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
032c6d21 881 "Maximum number of encrypt/decrypt pipelines to be used"},
5388f986
RS		 882 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
883 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
884
885 OPT_SECTION("Network"),
886 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
887 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
359efeac 888 {"mtu", OPT_MTU, 'p', "Set link-layer MTU"},
36b2cfb1 889 {"read_buf", OPT_READ_BUF, 'p',
dad78fb1 890 "Default read buffer size to be used for connections"},
5388f986
RS		 891 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
892 "Size used to split data for encrypt pipelines"},
893 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
894
895 OPT_SECTION("Server identity"),
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 902#ifndef OPENSSL_NO_SRP
6d2a1eff 903 {"srpvfile", OPT_SRPVFILE, '<', "(deprecated) The verifier file for SRP"},
9c3bcfa0 904 {"srpuserseed", OPT_SRPUSERSEED, 's',
6d2a1eff 905 "(deprecated) A seed string for a default user salt"},
9c3bcfa0 906#endif
5388f986
RS		 907
908 OPT_SECTION("Protocol and version"),
909 {"max_early_data", OPT_MAX_EARLY, 'n',
910 "The maximum number of bytes of early data as advertised in tickets"},
911 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
912 "The maximum number of bytes of early data (hard limit)"},
913 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
914 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
915 "The number of TLSv1.3 session tickets that a server will automatically issue" },
916 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
917 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
918 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
90fc2c26
NM		 919 {"no_ca_names", OPT_NOCANAMES, '-',
920 "Disable TLS Extension CA Names"},
5388f986 921 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
9c3bcfa0
RS		 922#ifndef OPENSSL_NO_SSL3
923 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
924#endif
6b01bed2
VD		 925#ifndef OPENSSL_NO_TLS1
926 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
927#endif
928#ifndef OPENSSL_NO_TLS1_1
929 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
930#endif
931#ifndef OPENSSL_NO_TLS1_2
932 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
933#endif
582a17d6
MC		 934#ifndef OPENSSL_NO_TLS1_3
935 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
936#endif
a5ecdc6a 937#ifndef OPENSSL_NO_DTLS
32eabe34 938 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
fd4e98ec
MC		 939 {"listen", OPT_LISTEN, '-',
940 "Listen for a DTLS ClientHello with a cookie and then connect"},
9c3bcfa0 941#endif
6b01bed2
VD		 942#ifndef OPENSSL_NO_DTLS1
943 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
944#endif
945#ifndef OPENSSL_NO_DTLS1_2
946 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
947#endif
72d0bc84
MC		 948#ifndef OPENSSL_NO_SCTP
949 {"sctp", OPT_SCTP, '-', "Use SCTP"},
09d62b33 950 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
72d0bc84 951#endif
5388f986
RS		 952#ifndef OPENSSL_NO_SRTP
953 {"use_srtp", OPT_SRTP_PROFILES, 's',
954 "Offer SRTP key management with a colon-separated profile list"},
955#endif
9c3bcfa0 956 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
9c3bcfa0
RS		 957#ifndef OPENSSL_NO_NEXTPROTONEG
958 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
959 "Set the advertised protocols for the NPN extension (comma-separated list)"},
b07c703f 960#endif
9c3bcfa0
RS		 961 {"alpn", OPT_ALPN, 's',
962 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
cd81ac7b 963#ifndef OPENSSL_NO_KTLS
e2ef7f12 964 {"ktls", OPT_KTLS, '-', "Enable Kernel TLS for sending and receiving"},
cd81ac7b
TZ		 965 {"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"},
966#endif
5388f986
RS		 967
968 OPT_R_OPTIONS,
969 OPT_S_OPTIONS,
970 OPT_V_OPTIONS,
5388f986 971 OPT_X_OPTIONS,
6bd4e3f2 972 OPT_PROV_OPTIONS,
5388f986 973 {NULL}
7e1b7485
RS		 974};
975
4bbd4ba6
MC		 976#define IS_PROT_FLAG(o) \
977 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
582a17d6 978 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
4bbd4ba6 979
7e1b7485 980int s_server_main(int argc, char *argv[])
0f113f3e 981{
bde136c8 982 ENGINE *engine = NULL;
7e1b7485
RS		 983 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
984 SSL_CONF_CTX *cctx = NULL;
32ec4153 985 const SSL_METHOD *meth = TLS_server_method();
7e1b7485
RS		 986 SSL_EXCERT *exc = NULL;
987 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
988 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
989 STACK_OF(X509_CRL) *crls = NULL;
990 X509 *s_cert = NULL, *s_dcert = NULL;
0f113f3e 991 X509_VERIFY_PARAM *vpm = NULL;
fd3397fc
RL		 992 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
993 const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
3ee1eac2 994 char *dpassarg = NULL, *dpass = NULL;
fd3397fc
RL		 995 char *passarg = NULL, *pass = NULL;
996 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
a7f82a1a 997 char *crl_file = NULL, *prog;
ab69ac00 998#ifdef AF_UNIX
0f113f3e
MC		 999 int unlink_unix_path = 0;
1000#endif
a773b52a 1001 do_server_cb server_cb;
7e1b7485 1002 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
54463e4f 1003 char *dhfile = NULL;
37f3a3b3 1004 int no_dhe = 0;
8caab744 1005 int nocert = 0, ret = 1;
fd3397fc 1006 int noCApath = 0, noCAfile = 0, noCAstore = 0;
d382e796
TM		 1007 int s_cert_format = FORMAT_UNDEF, s_key_format = FORMAT_UNDEF;
1008 int s_dcert_format = FORMAT_UNDEF, s_dkey_format = FORMAT_UNDEF;
ab69ac00 1009 int rev = 0, naccept = -1, sdebug = 0;
72d0bc84 1010 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
d382e796 1011 int state = 0, crl_format = FORMAT_UNDEF, crl_download = 0;
ab69ac00 1012 char *host = NULL;
0c590558 1013 char *port = NULL;
7e1b7485
RS		 1014 unsigned char *context = NULL;
1015 OPTION_CHOICE o;
0f113f3e
MC		 1016 EVP_PKEY *s_key2 = NULL;
1017 X509 *s_cert2 = NULL;
1018 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
287d0b94 1019 const char *ssl_config = NULL;
dad78fb1 1020 int read_buf_len = 0;
e481f9b9 1021#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC		 1022 const char *next_proto_neg_in = NULL;
1023 tlsextnextprotoctx next_proto = { NULL, 0 };
e481f9b9 1024#endif
0f113f3e
MC		 1025 const char *alpn_in = NULL;
1026 tlsextalpnctx alpn_ctx = { NULL, 0 };
ddac1974 1027#ifndef OPENSSL_NO_PSK
0f113f3e 1028 /* by default do not send a PSK identity hint */
f2ff1432 1029 char *psk_identity_hint = NULL;
ddac1974 1030#endif
14e35350 1031 char *p;
edc032b5 1032#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 1033 char *srpuserseed = NULL;
1034 char *srp_verifier_file = NULL;
edc032b5 1035#endif
dad88680 1036#ifndef OPENSSL_NO_SRTP
1fb6b0bf 1037 char *srtp_profiles = NULL;
dad88680 1038#endif
4bbd4ba6 1039 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
54463e4f
F		 1040 int s_server_verify = SSL_VERIFY_NONE;
1041 int s_server_session_id_context = 1; /* anything will do */
1042 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1043 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1044 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
057c676a
RL		 1045#ifndef OPENSSL_NO_OCSP
1046 int s_tlsextstatus = 0;
1047#endif
1048 int no_resume_ephemeral = 0;
28e5ea88 1049 unsigned int max_send_fragment = 0;
54463e4f
F		 1050 unsigned int split_send_fragment = 0, max_pipelines = 0;
1051 const char *s_serverinfo_file = NULL;
4bf73e9f 1052 const char *keylog_file = NULL;
bafe9cf5 1053 int max_early_data = -1, recv_max_early_data = -1;
df894947 1054 char *psksessf = NULL;
90fc2c26 1055 int no_ca_names = 0;
09d62b33
MT		 1056#ifndef OPENSSL_NO_SCTP
1057 int sctp_label_bug = 0;
1058#endif
09b90e0e 1059 int ignore_unexpected_eof = 0;
e2ef7f12
TZ		 1060#ifndef OPENSSL_NO_KTLS
1061 int enable_ktls = 0;
1062#endif
a3e53d56 1063 int tfo = 0;
54463e4f
F		 1064
1065 /* Init of few remaining global variables */
0f113f3e
MC		 1066 local_argc = argc;
1067 local_argv = argv;
d02b48c6 1068
54463e4f
F		 1069 ctx = ctx2 = NULL;
1070 s_nbio = s_nbio_test = 0;
1071 www = 0;
1072 bio_s_out = NULL;
1073 s_debug = 0;
1074 s_msg = 0;
1075 s_quiet = 0;
1076 s_brief = 0;
1077 async = 0;
cd81ac7b 1078 use_sendfile = 0;
54463e4f 1079
0c590558 1080 port = OPENSSL_strdup(PORT);
0f113f3e 1081 cctx = SSL_CONF_CTX_new();
7e1b7485 1082 vpm = X509_VERIFY_PARAM_new();
0c590558 1083 if (port == NULL || cctx == NULL || vpm == NULL)
0f113f3e 1084 goto end;
d6073e27
F		 1085 SSL_CONF_CTX_set_flags(cctx,
1086 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
7e1b7485
RS		 1087
1088 prog = opt_init(argc, argv, s_server_options);
1089 while ((o = opt_next()) != OPT_EOF) {
4bbd4ba6
MC		 1090 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1091 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1092 goto end;
1093 }
1094 if (IS_NO_PROT_FLAG(o))
1095 no_prot_opt++;
1096 if (prot_opt == 1 && no_prot_opt) {
d6073e27
F		 1097 BIO_printf(bio_err,
1098 "Cannot supply both a protocol flag and '-no_<prot>'\n");
4bbd4ba6
MC		 1099 goto end;
1100 }
7e1b7485
RS		 1101 switch (o) {
1102 case OPT_EOF:
1103 case OPT_ERR:
1104 opthelp:
1105 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1106 goto end;
1107 case OPT_HELP:
1108 opt_help(s_server_options);
1109 ret = 0;
1110 goto end;
0f113f3e 1111
ab69ac00
RL		 1112 case OPT_4:
1113#ifdef AF_UNIX
1114 if (socket_family == AF_UNIX) {
1115 OPENSSL_free(host); host = NULL;
1116 OPENSSL_free(port); port = NULL;
1117 }
1118#endif
1119 socket_family = AF_INET;
1120 break;
1121 case OPT_6:
1122 if (1) {
1123#ifdef AF_INET6
1124#ifdef AF_UNIX
1125 if (socket_family == AF_UNIX) {
1126 OPENSSL_free(host); host = NULL;
1127 OPENSSL_free(port); port = NULL;
1128 }
1129#endif
1130 socket_family = AF_INET6;
1131 } else {
1132#endif
1133 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1134 goto end;
1135 }
1136 break;
7e1b7485 1137 case OPT_PORT:
ab69ac00
RL		 1138#ifdef AF_UNIX
1139 if (socket_family == AF_UNIX) {
1140 socket_family = AF_UNSPEC;
1141 }
1142#endif
1143 OPENSSL_free(port); port = NULL;
1144 OPENSSL_free(host); host = NULL;
1145 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1146 BIO_printf(bio_err,
1147 "%s: -port argument malformed or ambiguous\n",
1148 port);
1149 goto end;
1150 }
1151 break;
1152 case OPT_ACCEPT:
1153#ifdef AF_UNIX
1154 if (socket_family == AF_UNIX) {
1155 socket_family = AF_UNSPEC;
1156 }
1157#endif
1158 OPENSSL_free(port); port = NULL;
1159 OPENSSL_free(host); host = NULL;
1160 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1161 BIO_printf(bio_err,
1162 "%s: -accept argument malformed or ambiguous\n",
1163 port);
7e1b7485 1164 goto end;
ab69ac00 1165 }
7e1b7485 1166 break;
ab69ac00 1167#ifdef AF_UNIX
7e1b7485 1168 case OPT_UNIX:
ab69ac00 1169 socket_family = AF_UNIX;
3d484574 1170 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
a6a2dd9f
JJ		 1171 if (host == NULL)
1172 goto end;
ab69ac00 1173 OPENSSL_free(port); port = NULL;
7e1b7485
RS		 1174 break;
1175 case OPT_UNLINK:
0f113f3e 1176 unlink_unix_path = 1;
7e1b7485 1177 break;
ab69ac00 1178#endif
7e1b7485
RS		 1179 case OPT_NACCEPT:
1180 naccept = atol(opt_arg());
1181 break;
1182 case OPT_VERIFY:
0f113f3e 1183 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
acc00492 1184 verify_args.depth = atoi(opt_arg());
0f113f3e 1185 if (!s_quiet)
acc00492 1186 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
7e1b7485
RS		 1187 break;
1188 case OPT_UPPER_V_VERIFY:
0f113f3e
MC		 1189 s_server_verify =
1190 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1191 SSL_VERIFY_CLIENT_ONCE;
acc00492 1192 verify_args.depth = atoi(opt_arg());
0f113f3e
MC		 1193 if (!s_quiet)
1194 BIO_printf(bio_err,
1195 "verify depth is %d, must return a certificate\n",
acc00492 1196 verify_args.depth);
7e1b7485
RS		 1197 break;
1198 case OPT_CONTEXT:
1199 context = (unsigned char *)opt_arg();
1200 break;
1201 case OPT_CERT:
1202 s_cert_file = opt_arg();
1203 break;
a7c04f2b
DB		 1204 case OPT_NAMEOPT:
1205 if (!set_nameopt(opt_arg()))
1206 goto end;
1207 break;
7e1b7485
RS		 1208 case OPT_CRL:
1209 crl_file = opt_arg();
1210 break;
1211 case OPT_CRL_DOWNLOAD:
0f113f3e 1212 crl_download = 1;
7e1b7485 1213 break;
7e1b7485
RS		 1214 case OPT_SERVERINFO:
1215 s_serverinfo_file = opt_arg();
1216 break;
7e1b7485 1217 case OPT_CERTFORM:
6d382c74 1218 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_cert_format))
7e1b7485
RS		 1219 goto opthelp;
1220 break;
1221 case OPT_KEY:
1222 s_key_file = opt_arg();
1223 break;
1224 case OPT_KEYFORM:
6d382c74 1225 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
7e1b7485
RS		 1226 goto opthelp;
1227 break;
1228 case OPT_PASS:
1229 passarg = opt_arg();
1230 break;
1231 case OPT_CERT_CHAIN:
1232 s_chain_file = opt_arg();
1233 break;
1234 case OPT_DHPARAM:
1235 dhfile = opt_arg();
1236 break;
1237 case OPT_DCERTFORM:
6d382c74 1238 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dcert_format))
7e1b7485
RS		 1239 goto opthelp;
1240 break;
1241 case OPT_DCERT:
1242 s_dcert_file = opt_arg();
1243 break;
1244 case OPT_DKEYFORM:
6d382c74 1245 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dkey_format))
7e1b7485
RS		 1246 goto opthelp;
1247 break;
1248 case OPT_DPASS:
1249 dpassarg = opt_arg();
1250 break;
1251 case OPT_DKEY:
1252 s_dkey_file = opt_arg();
1253 break;
1254 case OPT_DCERT_CHAIN:
1255 s_dchain_file = opt_arg();
1256 break;
1257 case OPT_NOCERT:
0f113f3e 1258 nocert = 1;
7e1b7485
RS		 1259 break;
1260 case OPT_CAPATH:
1261 CApath = opt_arg();
1262 break;
2b6bcb70
MC		 1263 case OPT_NOCAPATH:
1264 noCApath = 1;
1265 break;
7e1b7485
RS		 1266 case OPT_CHAINCAPATH:
1267 chCApath = opt_arg();
1268 break;
1269 case OPT_VERIFYCAPATH:
1270 vfyCApath = opt_arg();
1271 break;
fd3397fc
RL		 1272 case OPT_CASTORE:
1273 CAstore = opt_arg();
1274 break;
1275 case OPT_NOCASTORE:
1276 noCAstore = 1;
1277 break;
1278 case OPT_CHAINCASTORE:
1279 chCAstore = opt_arg();
1280 break;
1281 case OPT_VERIFYCASTORE:
1282 vfyCAstore = opt_arg();
1283 break;
7e1b7485 1284 case OPT_NO_CACHE:
0f113f3e 1285 no_cache = 1;
7e1b7485
RS		 1286 break;
1287 case OPT_EXT_CACHE:
0f113f3e 1288 ext_cache = 1;
7e1b7485
RS		 1289 break;
1290 case OPT_CRLFORM:
1291 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1292 goto opthelp;
1293 break;
1294 case OPT_S_CASES:
394159da 1295 case OPT_S_NUM_TICKETS:
3bb5e5b0
MC		 1296 case OPT_ANTI_REPLAY:
1297 case OPT_NO_ANTI_REPLAY:
7e1b7485
RS		 1298 if (ssl_args == NULL)
1299 ssl_args = sk_OPENSSL_STRING_new_null();
1300 if (ssl_args == NULL
1301 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1302 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1303 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1304 goto end;
1305 }
1306 break;
1307 case OPT_V_CASES:
1308 if (!opt_verify(o, vpm))
1309 goto end;
1310 vpmtouched++;
1311 break;
1312 case OPT_X_CASES:
1313 if (!args_excert(o, &exc))
1314 goto end;
1315 break;
1316 case OPT_VERIFY_RET_ERROR:
acc00492 1317 verify_args.return_error = 1;
7e1b7485
RS		 1318 break;
1319 case OPT_VERIFY_QUIET:
acc00492 1320 verify_args.quiet = 1;
7e1b7485
RS		 1321 break;
1322 case OPT_BUILD_CHAIN:
0f113f3e 1323 build_chain = 1;
7e1b7485
RS		 1324 break;
1325 case OPT_CAFILE:
1326 CAfile = opt_arg();
1327 break;
2b6bcb70
MC		 1328 case OPT_NOCAFILE:
1329 noCAfile = 1;
1330 break;
7e1b7485
RS		 1331 case OPT_CHAINCAFILE:
1332 chCAfile = opt_arg();
1333 break;
1334 case OPT_VERIFYCAFILE:
1335 vfyCAfile = opt_arg();
1336 break;
1337 case OPT_NBIO:
0f113f3e 1338 s_nbio = 1;
7e1b7485
RS		 1339 break;
1340 case OPT_NBIO_TEST:
1341 s_nbio = s_nbio_test = 1;
1342 break;
1343 case OPT_IGN_EOF:
0f113f3e 1344 s_ign_eof = 1;
7e1b7485
RS		 1345 break;
1346 case OPT_NO_IGN_EOF:
0f113f3e 1347 s_ign_eof = 0;
7e1b7485
RS		 1348 break;
1349 case OPT_DEBUG:
0f113f3e 1350 s_debug = 1;
7e1b7485 1351 break;
7e1b7485 1352 case OPT_TLSEXTDEBUG:
0f113f3e 1353 s_tlsextdebug = 1;
7e1b7485
RS		 1354 break;
1355 case OPT_STATUS:
057c676a 1356#ifndef OPENSSL_NO_OCSP
0f113f3e 1357 s_tlsextstatus = 1;
057c676a 1358#endif
7e1b7485
RS		 1359 break;
1360 case OPT_STATUS_VERBOSE:
057c676a 1361#ifndef OPENSSL_NO_OCSP
7e1b7485 1362 s_tlsextstatus = tlscstatp.verbose = 1;
057c676a 1363#endif
7e1b7485
RS		 1364 break;
1365 case OPT_STATUS_TIMEOUT:
057c676a 1366#ifndef OPENSSL_NO_OCSP
0f113f3e 1367 s_tlsextstatus = 1;
7e1b7485 1368 tlscstatp.timeout = atoi(opt_arg());
80a4ac57
DDO		 1369#endif
1370 break;
1371 case OPT_PROXY:
1372#ifndef OPENSSL_NO_OCSP
1373 tlscstatp.proxy = opt_arg();
1374#endif
1375 break;
1376 case OPT_NO_PROXY:
1377#ifndef OPENSSL_NO_OCSP
1378 tlscstatp.no_proxy = opt_arg();
057c676a 1379#endif
7e1b7485
RS		 1380 break;
1381 case OPT_STATUS_URL:
3e41ac35 1382#ifndef OPENSSL_NO_OCSP
0f113f3e 1383 s_tlsextstatus = 1;
7932982b 1384 if (!OSSL_HTTP_parse_url(opt_arg(), &tlscstatp.use_ssl, NULL,
d7fcee3b 1385 &tlscstatp.host, &tlscstatp.port, NULL,
7932982b
DDO		 1386 &tlscstatp.path, NULL, NULL)) {
1387 BIO_printf(bio_err, "Error parsing -status_url argument\n");
7e1b7485 1388 goto end;
0f113f3e 1389 }
acf65ae5
MC		 1390#endif
1391 break;
1392 case OPT_STATUS_FILE:
1393#ifndef OPENSSL_NO_OCSP
1394 s_tlsextstatus = 1;
1395 tlscstatp.respin = opt_arg();
3e41ac35 1396#endif
7e1b7485 1397 break;
7e1b7485 1398 case OPT_MSG:
0f113f3e 1399 s_msg = 1;
7e1b7485
RS		 1400 break;
1401 case OPT_MSGFILE:
1402 bio_s_msg = BIO_new_file(opt_arg(), "w");
625b0990 1403 if (bio_s_msg == NULL) {
1404 BIO_printf(bio_err, "Error writing file %s\n", opt_arg());
1405 goto end;
1406 }
7e1b7485 1407 break;
7e1b7485 1408 case OPT_TRACE:
9c3bcfa0 1409#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e 1410 s_msg = 2;
0f113f3e 1411#endif
1c03c81f 1412 break;
7e1b7485 1413 case OPT_SECURITY_DEBUG:
0f113f3e 1414 sdebug = 1;
7e1b7485
RS		 1415 break;
1416 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1417 sdebug = 2;
7e1b7485
RS		 1418 break;
1419 case OPT_STATE:
0f113f3e 1420 state = 1;
7e1b7485
RS		 1421 break;
1422 case OPT_CRLF:
0f113f3e 1423 s_crlf = 1;
7e1b7485
RS		 1424 break;
1425 case OPT_QUIET:
0f113f3e 1426 s_quiet = 1;
7e1b7485
RS		 1427 break;
1428 case OPT_BRIEF:
acc00492 1429 s_quiet = s_brief = verify_args.quiet = 1;
7e1b7485 1430 break;
7e1b7485 1431 case OPT_NO_DHE:
0f113f3e 1432 no_dhe = 1;
7e1b7485 1433 break;
7e1b7485 1434 case OPT_NO_RESUME_EPHEMERAL:
0f113f3e 1435 no_resume_ephemeral = 1;
7e1b7485 1436 break;
720b6cbe 1437 case OPT_PSK_IDENTITY:
720b6cbe 1438 psk_identity = opt_arg();
720b6cbe 1439 break;
7e1b7485 1440 case OPT_PSK_HINT:
6b01bed2 1441#ifndef OPENSSL_NO_PSK
7e1b7485 1442 psk_identity_hint = opt_arg();
6b01bed2 1443#endif
7e1b7485
RS		 1444 break;
1445 case OPT_PSK:
1446 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1447 if (isxdigit(_UC(*p)))
0f113f3e 1448 continue;
e5712012 1449 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
7e1b7485 1450 goto end;
0f113f3e 1451 }
6b01bed2 1452 break;
df894947
MC		 1453 case OPT_PSK_SESS:
1454 psksessf = opt_arg();
1455 break;
7e1b7485 1456 case OPT_SRPVFILE:
6b01bed2 1457#ifndef OPENSSL_NO_SRP
7e1b7485 1458 srp_verifier_file = opt_arg();
0d5301af
KR		 1459 if (min_version < TLS1_VERSION)
1460 min_version = TLS1_VERSION;
6b01bed2 1461#endif
7e1b7485
RS		 1462 break;
1463 case OPT_SRPUSERSEED:
6b01bed2 1464#ifndef OPENSSL_NO_SRP
7e1b7485 1465 srpuserseed = opt_arg();
0d5301af
KR		 1466 if (min_version < TLS1_VERSION)
1467 min_version = TLS1_VERSION;
0f113f3e 1468#endif
6b01bed2 1469 break;
7e1b7485 1470 case OPT_REV:
0f113f3e 1471 rev = 1;
7e1b7485
RS		 1472 break;
1473 case OPT_WWW:
0f113f3e 1474 www = 1;
7e1b7485
RS		 1475 break;
1476 case OPT_UPPER_WWW:
0f113f3e 1477 www = 2;
7e1b7485
RS		 1478 break;
1479 case OPT_HTTP:
0f113f3e 1480 www = 3;
7e1b7485 1481 break;
287d0b94
DSH		 1482 case OPT_SSL_CONFIG:
1483 ssl_config = opt_arg();
1484 break;
7e1b7485 1485 case OPT_SSL3:
0d5301af
KR		 1486 min_version = SSL3_VERSION;
1487 max_version = SSL3_VERSION;
9c3bcfa0 1488 break;
582a17d6
MC		 1489 case OPT_TLS1_3:
1490 min_version = TLS1_3_VERSION;
1491 max_version = TLS1_3_VERSION;
1492 break;
7e1b7485 1493 case OPT_TLS1_2:
0d5301af
KR		 1494 min_version = TLS1_2_VERSION;
1495 max_version = TLS1_2_VERSION;
7e1b7485
RS		 1496 break;
1497 case OPT_TLS1_1:
0d5301af
KR		 1498 min_version = TLS1_1_VERSION;
1499 max_version = TLS1_1_VERSION;
7e1b7485
RS		 1500 break;
1501 case OPT_TLS1:
0d5301af
KR		 1502 min_version = TLS1_VERSION;
1503 max_version = TLS1_VERSION;
7e1b7485 1504 break;
7e1b7485 1505 case OPT_DTLS:
6b01bed2 1506#ifndef OPENSSL_NO_DTLS
4407d070 1507 meth = DTLS_server_method();
0f113f3e 1508 socket_type = SOCK_DGRAM;
6b01bed2 1509#endif
7e1b7485
RS		 1510 break;
1511 case OPT_DTLS1:
0d5301af
KR		 1512#ifndef OPENSSL_NO_DTLS
1513 meth = DTLS_server_method();
1514 min_version = DTLS1_VERSION;
1515 max_version = DTLS1_VERSION;
0f113f3e 1516 socket_type = SOCK_DGRAM;
6b01bed2 1517#endif
7e1b7485
RS		 1518 break;
1519 case OPT_DTLS1_2:
0d5301af
KR		 1520#ifndef OPENSSL_NO_DTLS
1521 meth = DTLS_server_method();
1522 min_version = DTLS1_2_VERSION;
1523 max_version = DTLS1_2_VERSION;
0f113f3e 1524 socket_type = SOCK_DGRAM;
72d0bc84
MC		 1525#endif
1526 break;
1527 case OPT_SCTP:
1528#ifndef OPENSSL_NO_SCTP
1529 protocol = IPPROTO_SCTP;
09d62b33
MT		 1530#endif
1531 break;
1532 case OPT_SCTP_LABEL_BUG:
1533#ifndef OPENSSL_NO_SCTP
1534 sctp_label_bug = 1;
6b01bed2 1535#endif
7e1b7485
RS		 1536 break;
1537 case OPT_TIMEOUT:
6b01bed2 1538#ifndef OPENSSL_NO_DTLS
0f113f3e 1539 enable_timeouts = 1;
6b01bed2 1540#endif
7e1b7485
RS		 1541 break;
1542 case OPT_MTU:
6b01bed2 1543#ifndef OPENSSL_NO_DTLS
7e1b7485 1544 socket_mtu = atol(opt_arg());
6b01bed2 1545#endif
7e1b7485 1546 break;
fd4e98ec 1547 case OPT_LISTEN:
6b01bed2 1548#ifndef OPENSSL_NO_DTLS
fd4e98ec 1549 dtlslisten = 1;
0f113f3e 1550#endif
6b01bed2 1551 break;
c2f9648d
MC		 1552 case OPT_STATELESS:
1553 stateless = 1;
1554 break;
7e1b7485
RS		 1555 case OPT_ID_PREFIX:
1556 session_id_prefix = opt_arg();
1557 break;
1558 case OPT_ENGINE:
538404d2
DO		 1559#ifndef OPENSSL_NO_ENGINE
1560 engine = setup_engine(opt_arg(), s_debug);
1561#endif
7e1b7485 1562 break;
3ee1eac2
RS		 1563 case OPT_R_CASES:
1564 if (!opt_rand(o))
1565 goto end;
7e1b7485 1566 break;
6bd4e3f2
P		 1567 case OPT_PROV_CASES:
1568 if (!opt_provider(o))
1569 goto end;
1570 break;
7e1b7485
RS		 1571 case OPT_SERVERNAME:
1572 tlsextcbp.servername = opt_arg();
1573 break;
1574 case OPT_SERVERNAME_FATAL:
0f113f3e 1575 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
7e1b7485
RS		 1576 break;
1577 case OPT_CERT2:
1578 s_cert_file2 = opt_arg();
1579 break;
1580 case OPT_KEY2:
1581 s_key_file2 = opt_arg();
1582 break;
7e1b7485 1583 case OPT_NEXTPROTONEG:
9c3bcfa0 1584# ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485 1585 next_proto_neg_in = opt_arg();
e481f9b9 1586#endif
9c3bcfa0 1587 break;
7e1b7485
RS		 1588 case OPT_ALPN:
1589 alpn_in = opt_arg();
1590 break;
7e1b7485 1591 case OPT_SRTP_PROFILES:
dad88680 1592#ifndef OPENSSL_NO_SRTP
7e1b7485 1593 srtp_profiles = opt_arg();
dad88680 1594#endif
d6316025 1595 break;
7e1b7485
RS		 1596 case OPT_KEYMATEXPORT:
1597 keymatexportlabel = opt_arg();
1598 break;
1599 case OPT_KEYMATEXPORTLEN:
1600 keymatexportlen = atoi(opt_arg());
0f113f3e 1601 break;
7e25dd6d
MC		 1602 case OPT_ASYNC:
1603 async = 1;
1604 break;
28e5ea88
F		 1605 case OPT_MAX_SEND_FRAG:
1606 max_send_fragment = atoi(opt_arg());
28e5ea88 1607 break;
032c6d21
MC		 1608 case OPT_SPLIT_SEND_FRAG:
1609 split_send_fragment = atoi(opt_arg());
032c6d21
MC		 1610 break;
1611 case OPT_MAX_PIPELINES:
1612 max_pipelines = atoi(opt_arg());
1613 break;
dad78fb1
MC		 1614 case OPT_READ_BUF:
1615 read_buf_len = atoi(opt_arg());
1616 break;
4bf73e9f
PW		 1617 case OPT_KEYLOG_FILE:
1618 keylog_file = opt_arg();
1619 break;
048b1893
MC		 1620 case OPT_MAX_EARLY:
1621 max_early_data = atoi(opt_arg());
6746648c
MC		 1622 if (max_early_data < 0) {
1623 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1624 goto end;
1625 }
048b1893 1626 break;
bafe9cf5
MC		 1627 case OPT_RECV_MAX_EARLY:
1628 recv_max_early_data = atoi(opt_arg());
1629 if (recv_max_early_data < 0) {
1630 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1631 goto end;
1632 }
1633 break;
e0655186
MC		 1634 case OPT_EARLY_DATA:
1635 early_data = 1;
c39e4048
BK		 1636 if (max_early_data == -1)
1637 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
e0655186 1638 break;
c3be39f2
LZ		 1639 case OPT_HTTP_SERVER_BINMODE:
1640 http_server_binmode = 1;
1641 break;
90fc2c26
NM		 1642 case OPT_NOCANAMES:
1643 no_ca_names = 1;
1644 break;
e2ef7f12
TZ		 1645 case OPT_KTLS:
1646#ifndef OPENSSL_NO_KTLS
1647 enable_ktls = 1;
1648#endif
1649 break;
cd81ac7b
TZ		 1650 case OPT_SENDFILE:
1651#ifndef OPENSSL_NO_KTLS
1652 use_sendfile = 1;
1653#endif
1654 break;
09b90e0e
DB		 1655 case OPT_IGNORE_UNEXPECTED_EOF:
1656 ignore_unexpected_eof = 1;
1657 break;
a3e53d56
TS		 1658 case OPT_TFO:
1659 tfo = 1;
1660 break;
0f113f3e 1661 }
0f113f3e 1662 }
021410ea
RS		 1663
1664 /* No extra arguments. */
d9f07357 1665 if (!opt_check_rest_arg(NULL))
021410ea 1666 goto opthelp;
7e1b7485 1667
3ad60309
DDO		 1668 if (!app_RAND_load())
1669 goto end;
1670
837f87c2
PY		 1671#ifndef OPENSSL_NO_NEXTPROTONEG
1672 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1673 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1674 goto opthelp;
1675 }
1676#endif
a5ecdc6a 1677#ifndef OPENSSL_NO_DTLS
0f113f3e
MC		 1678 if (www && socket_type == SOCK_DGRAM) {
1679 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1680 goto end;
1681 }
fd4e98ec
MC		 1682
1683 if (dtlslisten && socket_type != SOCK_DGRAM) {
1684 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1685 goto end;
1686 }
0f113f3e
MC		 1687#endif
1688
a3e53d56
TS		 1689 if (tfo && socket_type != SOCK_STREAM) {
1690 BIO_printf(bio_err, "Can only use -tfo with TLS\n");
1691 goto end;
1692 }
1693
c2f9648d
MC		 1694 if (stateless && socket_type != SOCK_STREAM) {
1695 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1696 goto end;
1697 }
1698
ab69ac00
RL		 1699#ifdef AF_UNIX
1700 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC		 1701 BIO_printf(bio_err,
1702 "Can't use unix sockets and datagrams together\n");
1703 goto end;
1704 }
ab69ac00 1705#endif
6ef40f1f
MC		 1706 if (early_data && (www > 0 || rev)) {
1707 BIO_printf(bio_err,
1708 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1709 goto end;
1710 }
2900fc8a 1711
72d0bc84
MC		 1712#ifndef OPENSSL_NO_SCTP
1713 if (protocol == IPPROTO_SCTP) {
1714 if (socket_type != SOCK_DGRAM) {
1715 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1716 goto end;
1717 }
1718 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1719 socket_type = SOCK_STREAM;
1720 }
1721#endif
032c6d21 1722
cd81ac7b 1723#ifndef OPENSSL_NO_KTLS
e2ef7f12
TZ		 1724 if (use_sendfile && enable_ktls == 0) {
1725 BIO_printf(bio_out, "Warning: -sendfile depends on -ktls, enabling -ktls now.\n");
1726 enable_ktls = 1;
1727 }
1728
cd81ac7b
TZ		 1729 if (use_sendfile && www <= 1) {
1730 BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n");
1731 goto end;
1732 }
1733#endif
1734
7e1b7485 1735 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
0f113f3e
MC		 1736 BIO_printf(bio_err, "Error getting password\n");
1737 goto end;
1738 }
826a42a0 1739
0f113f3e
MC		 1740 if (s_key_file == NULL)
1741 s_key_file = s_cert_file;
e481f9b9 1742
0f113f3e
MC		 1743 if (s_key_file2 == NULL)
1744 s_key_file2 = s_cert_file2;
ed3883d2 1745
7e1b7485 1746 if (!load_excert(&exc))
0f113f3e
MC		 1747 goto end;
1748
1749 if (nocert == 0) {
bde136c8 1750 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
50eb2a50 1751 "server certificate private key");
01c12100 1752 if (s_key == NULL)
0f113f3e 1753 goto end;
826a42a0 1754
d382e796
TM		 1755 s_cert = load_cert_pass(s_cert_file, s_cert_format, 1, pass,
1756 "server certificate");
0f113f3e 1757
01c12100 1758 if (s_cert == NULL)
0f113f3e 1759 goto end;
2234212c 1760 if (s_chain_file != NULL) {
ea51096e 1761 if (!load_certs(s_chain_file, 0, &s_chain, NULL,
0996dc54 1762 "server certificate chain"))
0f113f3e
MC		 1763 goto end;
1764 }
e481f9b9 1765
2234212c 1766 if (tlsextcbp.servername != NULL) {
bde136c8 1767 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
50eb2a50 1768 "second server certificate private key");
01c12100 1769 if (s_key2 == NULL)
0f113f3e 1770 goto end;
0f113f3e 1771
d382e796 1772 s_cert2 = load_cert_pass(s_cert_file2, s_cert_format, 1, pass,
50eb2a50 1773 "second server certificate");
0f113f3e 1774
01c12100 1775 if (s_cert2 == NULL)
0f113f3e 1776 goto end;
0f113f3e 1777 }
0f113f3e 1778 }
e481f9b9 1779#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e 1780 if (next_proto_neg_in) {
f2ff1432 1781 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
0f113f3e
MC		 1782 if (next_proto.data == NULL)
1783 goto end;
0f113f3e 1784 }
e481f9b9 1785#endif
0f113f3e
MC		 1786 alpn_ctx.data = NULL;
1787 if (alpn_in) {
f2ff1432 1788 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
0f113f3e
MC		 1789 if (alpn_ctx.data == NULL)
1790 goto end;
0f113f3e 1791 }
0f113f3e 1792
2234212c 1793 if (crl_file != NULL) {
0f113f3e 1794 X509_CRL *crl;
d382e796 1795 crl = load_crl(crl_file, crl_format, 0, "CRL");
9d5aca65 1796 if (crl == NULL)
0f113f3e 1797 goto end;
0f113f3e 1798 crls = sk_X509_CRL_new_null();
2234212c 1799 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1800 BIO_puts(bio_err, "Error adding CRL\n");
1801 ERR_print_errors(bio_err);
1802 X509_CRL_free(crl);
1803 goto end;
1804 }
1805 }
1806
2234212c 1807 if (s_dcert_file != NULL) {
d02b48c6 1808
0f113f3e
MC		 1809 if (s_dkey_file == NULL)
1810 s_dkey_file = s_dcert_file;
1811
7e1b7485 1812 s_dkey = load_key(s_dkey_file, s_dkey_format,
50eb2a50 1813 0, dpass, engine, "second certificate private key");
01c12100 1814 if (s_dkey == NULL)
0f113f3e 1815 goto end;
0f113f3e 1816
d382e796 1817 s_dcert = load_cert_pass(s_dcert_file, s_dcert_format, 1, dpass,
22dddfb9 1818 "second server certificate");
0f113f3e 1819
2234212c 1820 if (s_dcert == NULL) {
0f113f3e
MC		 1821 ERR_print_errors(bio_err);
1822 goto end;
1823 }
2234212c 1824 if (s_dchain_file != NULL) {
ea51096e 1825 if (!load_certs(s_dchain_file, 0, &s_dchain, NULL,
0996dc54 1826 "second server certificate chain"))
0f113f3e
MC		 1827 goto end;
1828 }
1829
1830 }
1831
0f113f3e
MC		 1832 if (bio_s_out == NULL) {
1833 if (s_quiet && !s_debug) {
1834 bio_s_out = BIO_new(BIO_s_null());
fa17f5c9 1835 if (s_msg && bio_s_msg == NULL) {
a60994df 1836 bio_s_msg = dup_bio_out(FORMAT_TEXT);
fa17f5c9 1837 if (bio_s_msg == NULL) {
1838 BIO_printf(bio_err, "Out of memory\n");
1839 goto end;
1840 }
1841 }
0f113f3e 1842 } else {
ba0b60c6 1843 bio_s_out = dup_bio_out(FORMAT_TEXT);
0f113f3e
MC		 1844 }
1845 }
ba0b60c6
JJ		 1846
1847 if (bio_s_out == NULL)
1848 goto end;
1849
c2403f36 1850 if (nocert) {
0f113f3e
MC		 1851 s_cert_file = NULL;
1852 s_key_file = NULL;
1853 s_dcert_file = NULL;
1854 s_dkey_file = NULL;
0f113f3e
MC		 1855 s_cert_file2 = NULL;
1856 s_key_file2 = NULL;
0f113f3e
MC		 1857 }
1858
574ca403 1859 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
0f113f3e
MC		 1860 if (ctx == NULL) {
1861 ERR_print_errors(bio_err);
1862 goto end;
1863 }
693cf80c
KR		 1864
1865 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1866
32eabe34
MR		 1867 if (sdebug)
1868 ssl_ctx_security_debug(ctx, sdebug);
8f8be103
RL		 1869
1870 if (!config_ctx(cctx, ssl_args, ctx))
1871 goto end;
1872
287d0b94
DSH		 1873 if (ssl_config) {
1874 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1875 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1876 ssl_config);
d6073e27
F		 1877 ERR_print_errors(bio_err);
1878 goto end;
287d0b94
DSH		 1879 }
1880 }
09d62b33
MT		 1881#ifndef OPENSSL_NO_SCTP
1882 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1883 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1884#endif
1885
8f8be103
RL		 1886 if (min_version != 0
1887 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
0d5301af 1888 goto end;
8f8be103
RL		 1889 if (max_version != 0
1890 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
0d5301af 1891 goto end;
287d0b94 1892
0f113f3e
MC		 1893 if (session_id_prefix) {
1894 if (strlen(session_id_prefix) >= 32)
1895 BIO_printf(bio_err,
1896 "warning: id_prefix is too long, only one new session will be possible\n");
1897 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1898 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1899 ERR_print_errors(bio_err);
1900 goto end;
1901 }
1902 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1903 }
2234212c 1904 if (exc != NULL)
0f113f3e 1905 ssl_ctx_set_excert(ctx, exc);
0f113f3e
MC		 1906
1907 if (state)
1908 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1909 if (no_cache)
1910 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1911 else if (ext_cache)
1912 init_session_cache_ctx(ctx);
1913 else
1914 SSL_CTX_sess_set_cache_size(ctx, 128);
58964a49 1915
252d6d3a 1916 if (async) {
7e25dd6d 1917 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
252d6d3a 1918 }
28e5ea88 1919
90fc2c26
NM		 1920 if (no_ca_names) {
1921 SSL_CTX_set_options(ctx, SSL_OP_DISABLE_TLSEXT_CA_NAMES);
1922 }
1923
09b90e0e
DB		 1924 if (ignore_unexpected_eof)
1925 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
e2ef7f12
TZ		 1926#ifndef OPENSSL_NO_KTLS
1927 if (enable_ktls)
1928 SSL_CTX_set_options(ctx, SSL_OP_ENABLE_KTLS);
1929#endif
09b90e0e 1930
36b2cfb1
F		 1931 if (max_send_fragment > 0
1932 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1933 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1934 prog, max_send_fragment);
1935 goto end;
1936 }
28e5ea88 1937
36b2cfb1
F		 1938 if (split_send_fragment > 0
1939 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1940 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1941 prog, split_send_fragment);
1942 goto end;
032c6d21 1943 }
36b2cfb1
F		 1944 if (max_pipelines > 0
1945 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1946 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1947 prog, max_pipelines);
1948 goto end;
032c6d21 1949 }
7e25dd6d 1950
dad78fb1
MC		 1951 if (read_buf_len > 0) {
1952 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1953 }
e783bae2 1954#ifndef OPENSSL_NO_SRTP
ac59d705 1955 if (srtp_profiles != NULL) {
7e1b7485
RS		 1956 /* Returns 0 on success! */
1957 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1958 BIO_printf(bio_err, "Error setting SRTP profile\n");
1959 ERR_print_errors(bio_err);
1960 goto end;
1961 }
1962 }
e783bae2 1963#endif
333f926d 1964
fd3397fc
RL		 1965 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1966 CAstore, noCAstore)) {
0f113f3e 1967 ERR_print_errors(bio_err);
7e1b7485 1968 goto end;
0f113f3e 1969 }
7e1b7485
RS		 1970 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1971 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC		 1972 ERR_print_errors(bio_err);
1973 goto end;
1974 }
0f113f3e
MC		 1975
1976 ssl_ctx_add_crls(ctx, crls, 0);
0f113f3e 1977
fd3397fc
RL		 1978 if (!ssl_load_stores(ctx,
1979 vfyCApath, vfyCAfile, vfyCAstore,
1980 chCApath, chCAfile, chCAstore,
0f113f3e
MC		 1981 crls, crl_download)) {
1982 BIO_printf(bio_err, "Error loading store locations\n");
1983 ERR_print_errors(bio_err);
1984 goto end;
1985 }
e481f9b9 1986
0f113f3e 1987 if (s_cert2) {
574ca403 1988 ctx2 = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
0f113f3e
MC		 1989 if (ctx2 == NULL) {
1990 ERR_print_errors(bio_err);
1991 goto end;
1992 }
1993 }
1994
2234212c 1995 if (ctx2 != NULL) {
0f113f3e
MC		 1996 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1997
1998 if (sdebug)
402b00d5 1999 ssl_ctx_security_debug(ctx2, sdebug);
0f113f3e
MC		 2000
2001 if (session_id_prefix) {
2002 if (strlen(session_id_prefix) >= 32)
2003 BIO_printf(bio_err,
2004 "warning: id_prefix is too long, only one new session will be possible\n");
2005 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
2006 BIO_printf(bio_err, "error setting 'id_prefix'\n");
2007 ERR_print_errors(bio_err);
2008 goto end;
2009 }
2010 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
2011 }
2234212c 2012 if (exc != NULL)
0f113f3e 2013 ssl_ctx_set_excert(ctx2, exc);
0f113f3e
MC		 2014
2015 if (state)
2016 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
2017
2018 if (no_cache)
2019 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
2020 else if (ext_cache)
2021 init_session_cache_ctx(ctx2);
2022 else
2023 SSL_CTX_sess_set_cache_size(ctx2, 128);
2024
7e25dd6d 2025 if (async)
f4da39d2 2026 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
7e25dd6d 2027
fd3397fc
RL		 2028 if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
2029 noCApath, CAstore, noCAstore)) {
0f113f3e 2030 ERR_print_errors(bio_err);
f65a8c1e 2031 goto end;
0f113f3e 2032 }
7e1b7485
RS		 2033 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
2034 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC		 2035 ERR_print_errors(bio_err);
2036 goto end;
2037 }
ee2ffc27 2038
0f113f3e 2039 ssl_ctx_add_crls(ctx2, crls, 0);
dba31777 2040 if (!config_ctx(cctx, ssl_args, ctx2))
0f113f3e
MC		 2041 goto end;
2042 }
e481f9b9 2043#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC		 2044 if (next_proto.data)
2045 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
2046 &next_proto);
e481f9b9 2047#endif
0f113f3e
MC		 2048 if (alpn_ctx.data)
2049 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
b1277b99 2050
0f113f3e 2051 if (!no_dhe) {
163f6dc1 2052 EVP_PKEY *dhpkey = NULL;
0f113f3e 2053
2234212c 2054 if (dhfile != NULL)
d382e796 2055 dhpkey = load_keyparams(dhfile, FORMAT_UNDEF, 0, "DH", "DH parameters");
2234212c 2056 else if (s_cert_file != NULL)
ef044913
SL		 2057 dhpkey = load_keyparams_suppress(s_cert_file, FORMAT_UNDEF, 0, "DH",
2058 "DH parameters", 1);
0f113f3e 2059
163f6dc1 2060 if (dhpkey != NULL) {
0f113f3e
MC		 2061 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2062 } else {
2063 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
2064 }
2065 (void)BIO_flush(bio_s_out);
2066
163f6dc1 2067 if (dhpkey == NULL) {
0f113f3e 2068 SSL_CTX_set_dh_auto(ctx, 1);
163f6dc1
MC		 2069 } else {
2070 /*
2071 * We need 2 references: one for use by ctx and one for use by
2072 * ctx2
2073 */
2074 if (!EVP_PKEY_up_ref(dhpkey)) {
2075 EVP_PKEY_free(dhpkey);
2076 goto end;
2077 }
2078 if (!SSL_CTX_set0_tmp_dh_pkey(ctx, dhpkey)) {
2079 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2080 ERR_print_errors(bio_err);
2081 /* Free 2 references */
2082 EVP_PKEY_free(dhpkey);
2083 EVP_PKEY_free(dhpkey);
2084 goto end;
2085 }
9912be1b 2086 }
e481f9b9 2087
2234212c 2088 if (ctx2 != NULL) {
163f6dc1 2089 if (dhfile != NULL) {
ef044913
SL		 2090 EVP_PKEY *dhpkey2 = load_keyparams_suppress(s_cert_file2,
2091 FORMAT_UNDEF,
2092 0, "DH",
2093 "DH parameters", 1);
163f6dc1
MC		 2094
2095 if (dhpkey2 != NULL) {
0f113f3e
MC		 2096 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2097 (void)BIO_flush(bio_s_out);
2098
163f6dc1
MC		 2099 EVP_PKEY_free(dhpkey);
2100 dhpkey = dhpkey2;
0f113f3e
MC		 2101 }
2102 }
163f6dc1 2103 if (dhpkey == NULL) {
0f113f3e 2104 SSL_CTX_set_dh_auto(ctx2, 1);
163f6dc1 2105 } else if (!SSL_CTX_set0_tmp_dh_pkey(ctx2, dhpkey)) {
0f113f3e
MC		 2106 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2107 ERR_print_errors(bio_err);
163f6dc1 2108 EVP_PKEY_free(dhpkey);
0f113f3e
MC		 2109 goto end;
2110 }
163f6dc1 2111 dhpkey = NULL;
0f113f3e 2112 }
163f6dc1 2113 EVP_PKEY_free(dhpkey);
0f113f3e 2114 }
d02b48c6 2115
0f113f3e
MC		 2116 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2117 goto end;
e481f9b9 2118
0f113f3e
MC		 2119 if (s_serverinfo_file != NULL
2120 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2121 ERR_print_errors(bio_err);
2122 goto end;
2123 }
e481f9b9 2124
2234212c
PY		 2125 if (ctx2 != NULL
2126 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
0f113f3e 2127 goto end;
e481f9b9 2128
0f113f3e
MC		 2129 if (s_dcert != NULL) {
2130 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2131 goto end;
2132 }
d02b48c6 2133
0f113f3e
MC		 2134 if (no_resume_ephemeral) {
2135 SSL_CTX_set_not_resumable_session_callback(ctx,
2136 not_resumable_sess_cb);
e481f9b9 2137
2234212c 2138 if (ctx2 != NULL)
0f113f3e
MC		 2139 SSL_CTX_set_not_resumable_session_callback(ctx2,
2140 not_resumable_sess_cb);
0f113f3e 2141 }
ddac1974 2142#ifndef OPENSSL_NO_PSK
b5292f7b 2143 if (psk_key != NULL) {
0f113f3e 2144 if (s_debug)
d6073e27 2145 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
0f113f3e
MC		 2146 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2147 }
ddac1974 2148
9a1c170d
E		 2149 if (psk_identity_hint != NULL) {
2150 if (min_version == TLS1_3_VERSION) {
2151 BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n");
2152 } else {
2153 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2154 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2155 ERR_print_errors(bio_err);
2156 goto end;
2157 }
2158 }
0f113f3e 2159 }
ddac1974 2160#endif
df894947
MC		 2161 if (psksessf != NULL) {
2162 BIO *stmp = BIO_new_file(psksessf, "r");
2163
2164 if (stmp == NULL) {
2165 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2166 ERR_print_errors(bio_err);
2167 goto end;
2168 }
2169 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2170 BIO_free(stmp);
2171 if (psksess == NULL) {
2172 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2173 ERR_print_errors(bio_err);
2174 goto end;
2175 }
5ffff599 2176
df894947 2177 }
ddac1974 2178
5ffff599
MC		 2179 if (psk_key != NULL || psksess != NULL)
2180 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2181
0f113f3e 2182 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
61986d32 2183 if (!SSL_CTX_set_session_id_context(ctx,
d6073e27 2184 (void *)&s_server_session_id_context,
cbe29648 2185 sizeof(s_server_session_id_context))) {
ac59d705
MC		 2186 BIO_printf(bio_err, "error setting session id context\n");
2187 ERR_print_errors(bio_err);
2188 goto end;
2189 }
d02b48c6 2190
0f113f3e
MC		 2191 /* Set DTLS cookie generation and verification callbacks */
2192 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2193 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
07a9d1a2 2194
3fa2812f
BS		 2195 /* Set TLS1.3 cookie generation and verification callbacks */
2196 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2197 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2198
2234212c 2199 if (ctx2 != NULL) {
0f113f3e 2200 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
61986d32 2201 if (!SSL_CTX_set_session_id_context(ctx2,
7e1b7485 2202 (void *)&s_server_session_id_context,
cbe29648 2203 sizeof(s_server_session_id_context))) {
ac59d705
MC		 2204 BIO_printf(bio_err, "error setting session id context\n");
2205 ERR_print_errors(bio_err);
2206 goto end;
2207 }
0f113f3e
MC		 2208 tlsextcbp.biodebug = bio_s_out;
2209 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2210 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2211 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2212 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2213 }
f1fd4544 2214
edc032b5 2215#ifndef OPENSSL_NO_SRP
0f113f3e 2216 if (srp_verifier_file != NULL) {
6d2a1eff
MC		 2217 if (!set_up_srp_verifier_file(ctx, &srp_callback_parm, srpuserseed,
2218 srp_verifier_file))
0f113f3e 2219 goto end;
0f113f3e
MC		 2220 } else
2221#endif
2222 if (CAfile != NULL) {
2223 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
e481f9b9 2224
0f113f3e
MC		 2225 if (ctx2)
2226 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
0f113f3e 2227 }
3e41ac35 2228#ifndef OPENSSL_NO_OCSP
be0c0361
AE		 2229 if (s_tlsextstatus) {
2230 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2231 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2232 if (ctx2) {
2233 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2234 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2235 }
2236 }
3e41ac35 2237#endif
4bf73e9f
PW		 2238 if (set_keylog_file(ctx, keylog_file))
2239 goto end;
0f113f3e 2240
6746648c 2241 if (max_early_data >= 0)
048b1893 2242 SSL_CTX_set_max_early_data(ctx, max_early_data);
bafe9cf5
MC		 2243 if (recv_max_early_data >= 0)
2244 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
048b1893 2245
0f113f3e
MC		 2246 if (rev)
2247 server_cb = rev_body;
2248 else if (www)
2249 server_cb = www_body;
2250 else
2251 server_cb = sv_body;
ab69ac00
RL		 2252#ifdef AF_UNIX
2253 if (socket_family == AF_UNIX
2254 && unlink_unix_path)
2255 unlink(host);
0f113f3e 2256#endif
a3e53d56
TS		 2257 if (tfo)
2258 BIO_printf(bio_s_out, "Listening for TFO\n");
72d0bc84 2259 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
a3e53d56 2260 server_cb, context, naccept, bio_s_out, tfo);
0f113f3e
MC		 2261 print_stats(bio_s_out, ctx);
2262 ret = 0;
2263 end:
62adbcee 2264 SSL_CTX_free(ctx);
9561e2a1 2265 SSL_SESSION_free(psksess);
4bf73e9f 2266 set_keylog_file(NULL, NULL);
222561fe
RS		 2267 X509_free(s_cert);
2268 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2269 X509_free(s_dcert);
c5ba2d99
RS		 2270 EVP_PKEY_free(s_key);
2271 EVP_PKEY_free(s_dkey);
79b2a2f2
DDO		 2272 OSSL_STACK_OF_X509_free(s_chain);
2273 OSSL_STACK_OF_X509_free(s_dchain);
25aaa98a
RS		 2274 OPENSSL_free(pass);
2275 OPENSSL_free(dpass);
ab69ac00
RL		 2276 OPENSSL_free(host);
2277 OPENSSL_free(port);
222561fe 2278 X509_VERIFY_PARAM_free(vpm);
0f113f3e 2279 free_sessions();
25aaa98a
RS		 2280 OPENSSL_free(tlscstatp.host);
2281 OPENSSL_free(tlscstatp.port);
2282 OPENSSL_free(tlscstatp.path);
62adbcee 2283 SSL_CTX_free(ctx2);
222561fe 2284 X509_free(s_cert2);
c5ba2d99 2285 EVP_PKEY_free(s_key2);
e481f9b9 2286#ifndef OPENSSL_NO_NEXTPROTONEG
25aaa98a 2287 OPENSSL_free(next_proto.data);
0f113f3e 2288#endif
e481f9b9 2289 OPENSSL_free(alpn_ctx.data);
0f113f3e 2290 ssl_excert_free(exc);
7e1b7485 2291 sk_OPENSSL_STRING_free(ssl_args);
62adbcee 2292 SSL_CONF_CTX_free(cctx);
dd1abd44 2293 release_engine(engine);
ca3a82c3
RS		 2294 BIO_free(bio_s_out);
2295 bio_s_out = NULL;
2296 BIO_free(bio_s_msg);
2297 bio_s_msg = NULL;
5fd1478d
MC		 2298#ifdef CHARSET_EBCDIC
2299 BIO_meth_free(methods_ebcdic);
2300#endif
26a7d938 2301 return ret;
0f113f3e 2302}
d02b48c6 2303
6b691a5c 2304static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
0f113f3e
MC		 2305{
2306 BIO_printf(bio, "%4ld items in the session cache\n",
2307 SSL_CTX_sess_number(ssl_ctx));
2308 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2309 SSL_CTX_sess_connect(ssl_ctx));
2310 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2311 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2312 BIO_printf(bio, "%4ld client connects that finished\n",
2313 SSL_CTX_sess_connect_good(ssl_ctx));
2314 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2315 SSL_CTX_sess_accept(ssl_ctx));
2316 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2317 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2318 BIO_printf(bio, "%4ld server accepts that finished\n",
2319 SSL_CTX_sess_accept_good(ssl_ctx));
2320 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2321 BIO_printf(bio, "%4ld session cache misses\n",
2322 SSL_CTX_sess_misses(ssl_ctx));
2323 BIO_printf(bio, "%4ld session cache timeouts\n",
2324 SSL_CTX_sess_timeouts(ssl_ctx));
2325 BIO_printf(bio, "%4ld callback cache hits\n",
2326 SSL_CTX_sess_cb_hits(ssl_ctx));
2327 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2328 SSL_CTX_sess_cache_full(ssl_ctx),
2329 SSL_CTX_sess_get_cache_size(ssl_ctx));
2330}
d02b48c6 2331
a6d52f17
DF		 2332static long int count_reads_callback(BIO *bio, int cmd, const char *argp, size_t len,
2333 int argi, long argl, int ret, size_t *processed)
2334{
2335 unsigned int *p_counter = (unsigned int *)BIO_get_callback_arg(bio);
2336
2337 switch (cmd) {
2338 case BIO_CB_READ: /* No break here */
2339 case BIO_CB_GETS:
2340 if (p_counter != NULL)
2341 ++*p_counter;
2342 break;
2343 default:
2344 break;
2345 }
2346
2347 if (s_debug) {
2348 BIO_set_callback_arg(bio, (char *)bio_s_out);
2349 ret = (int)bio_dump_callback(bio, cmd, argp, len, argi, argl, ret, processed);
2350 BIO_set_callback_arg(bio, (char *)p_counter);
2351 }
2352
2353 return ret;
2354}
2355
72d0bc84 2356static int sv_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 2357{
2358 char *buf = NULL;
2359 fd_set readfds;
2360 int ret = 1, width;
2361 int k, i;
2362 unsigned long l;
2363 SSL *con = NULL;
2364 BIO *sbio;
0f113f3e 2365 struct timeval timeout;
ff25dd1a 2366#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
0f113f3e 2367 struct timeval *timeoutp;
06f4536a 2368#endif
72d0bc84 2369#ifndef OPENSSL_NO_DTLS
d88ab353 2370# ifndef OPENSSL_NO_SCTP
72d0bc84 2371 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
d88ab353 2372# else
72d0bc84 2373 int isdtls = (stype == SOCK_DGRAM);
d88ab353 2374# endif
72d0bc84 2375#endif
d02b48c6 2376
68dc6824 2377 buf = app_malloc(bufsize, "server buffer");
0f113f3e 2378 if (s_nbio) {
ba810815 2379 if (!BIO_socket_nbio(s, 1))
0f113f3e 2380 ERR_print_errors(bio_err);
ba810815
RS		 2381 else if (!s_quiet)
2382 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 2383 }
d02b48c6 2384
f84a648c 2385 con = SSL_new(ctx);
0f113f3e 2386 if (con == NULL) {
f84a648c
K		 2387 ret = -1;
2388 goto err;
2389 }
e481f9b9 2390
f84a648c
K		 2391 if (s_tlsextdebug) {
2392 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2393 SSL_set_tlsext_debug_arg(con, bio_s_out);
2394 }
e481f9b9 2395
f84a648c
K		 2396 if (context != NULL
2397 && !SSL_set_session_id_context(con, context,
2398 strlen((char *)context))) {
2399 BIO_printf(bio_err, "Error setting session id context\n");
2400 ret = -1;
2401 goto err;
ac59d705 2402 }
f84a648c 2403
61986d32 2404 if (!SSL_clear(con)) {
ac59d705
MC		 2405 BIO_printf(bio_err, "Error clearing SSL connection\n");
2406 ret = -1;
2407 goto err;
0f113f3e 2408 }
a7a14a23 2409#ifndef OPENSSL_NO_DTLS
72d0bc84 2410 if (isdtls) {
d88ab353 2411# ifndef OPENSSL_NO_SCTP
72d0bc84
MC		 2412 if (prot == IPPROTO_SCTP)
2413 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2414 else
d88ab353 2415# endif
72d0bc84 2416 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
ba0b60c6
JJ		 2417 if (sbio == NULL) {
2418 BIO_printf(bio_err, "Unable to create BIO\n");
2419 ERR_print_errors(bio_err);
2420 goto err;
2421 }
0f113f3e
MC		 2422
2423 if (enable_timeouts) {
2424 timeout.tv_sec = 0;
2425 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2426 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2427
2428 timeout.tv_sec = 0;
2429 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2430 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2431 }
2432
2433 if (socket_mtu) {
2434 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2435 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2436 DTLS_get_link_min_mtu(con));
2437 ret = -1;
2438 BIO_free(sbio);
2439 goto err;
2440 }
2441 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2442 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2443 BIO_printf(bio_err, "Failed to set MTU\n");
2444 ret = -1;
2445 BIO_free(sbio);
2446 goto err;
2447 }
2448 } else
2449 /* want to do MTU discovery */
2450 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
36d16f8e 2451
a5eef31e 2452# ifndef OPENSSL_NO_SCTP
1b3011ab
MC		 2453 if (prot != IPPROTO_SCTP)
2454# endif
72d0bc84
MC		 2455 /* Turn on cookie exchange. Not necessary for SCTP */
2456 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
0f113f3e 2457 } else
a7a14a23 2458#endif
0f113f3e 2459 sbio = BIO_new_socket(s, BIO_NOCLOSE);
36d16f8e 2460
72d0bc84
MC		 2461 if (sbio == NULL) {
2462 BIO_printf(bio_err, "Unable to create BIO\n");
2463 ERR_print_errors(bio_err);
2464 goto err;
2465 }
2466
0f113f3e
MC		 2467 if (s_nbio_test) {
2468 BIO *test;
d02b48c6 2469
0f113f3e 2470 test = BIO_new(BIO_f_nbio_test());
ba0b60c6
JJ		 2471 if (test == NULL) {
2472 BIO_printf(bio_err, "Unable to create BIO\n");
2473 ret = -1;
2474 BIO_free(sbio);
2475 goto err;
2476 }
0f113f3e
MC		 2477 sbio = BIO_push(test, sbio);
2478 }
0f113f3e
MC		 2479
2480 SSL_set_bio(con, sbio, sbio);
2481 SSL_set_accept_state(con);
2482 /* SSL_set_fd(con,s); */
2483
a6d52f17 2484 BIO_set_callback_ex(SSL_get_rbio(con), count_reads_callback);
0f113f3e 2485 if (s_msg) {
93ab9e42 2486#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 2487 if (s_msg == 2)
2488 SSL_set_msg_callback(con, SSL_trace);
2489 else
93ab9e42 2490#endif
0f113f3e
MC		 2491 SSL_set_msg_callback(con, msg_cb);
2492 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2493 }
e481f9b9 2494
0f113f3e
MC		 2495 if (s_tlsextdebug) {
2496 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2497 SSL_set_tlsext_debug_arg(con, bio_s_out);
2498 }
d02b48c6 2499
e0655186 2500 if (early_data) {
f533fbd4 2501 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
e0655186
MC		 2502 size_t readbytes;
2503
f533fbd4 2504 while (edret != SSL_READ_EARLY_DATA_FINISH) {
e0655186 2505 for (;;) {
f533fbd4
MC		 2506 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2507 if (edret != SSL_READ_EARLY_DATA_ERROR)
e0655186
MC		 2508 break;
2509
2510 switch (SSL_get_error(con, 0)) {
2511 case SSL_ERROR_WANT_WRITE:
2512 case SSL_ERROR_WANT_ASYNC:
2513 case SSL_ERROR_WANT_READ:
2514 /* Just keep trying - busy waiting */
2515 continue;
2516 default:
2517 BIO_printf(bio_err, "Error reading early data\n");
2518 ERR_print_errors(bio_err);
2519 goto err;
2520 }
2521 }
2522 if (readbytes > 0) {
2523 if (write_header) {
2524 BIO_printf(bio_s_out, "Early data received:\n");
2525 write_header = 0;
2526 }
2527 raw_write_stdout(buf, (unsigned int)readbytes);
2528 (void)BIO_flush(bio_s_out);
2529 }
2530 }
3b587356
MC		 2531 if (write_header) {
2532 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2533 BIO_printf(bio_s_out, "No early data received\n");
2534 else
2535 BIO_printf(bio_s_out, "Early data was rejected\n");
2536 } else {
e0655186 2537 BIO_printf(bio_s_out, "\nEnd of early data\n");
3b587356 2538 }
ade1e888
MC		 2539 if (SSL_is_init_finished(con))
2540 print_connection_info(con);
e0655186
MC		 2541 }
2542
51e5133d
RL		 2543 if (fileno_stdin() > s)
2544 width = fileno_stdin() + 1;
c7bdb6a3
RL		 2545 else
2546 width = s + 1;
0f113f3e
MC		 2547 for (;;) {
2548 int read_from_terminal;
2549 int read_from_sslcon;
a2a01589 2550
0f113f3e 2551 read_from_terminal = 0;
fd068d50 2552 read_from_sslcon = SSL_has_pending(con)
64c07bd2 2553 || (async && SSL_waiting_for_async(con));
a2a01589 2554
0f113f3e
MC		 2555 if (!read_from_sslcon) {
2556 FD_ZERO(&readfds);
1fbab1dc 2557#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
51e5133d 2558 openssl_fdset(fileno_stdin(), &readfds);
0f113f3e
MC		 2559#endif
2560 openssl_fdset(s, &readfds);
2561 /*
2562 * Note: under VMS with SOCKETSHR the second parameter is
2563 * currently of type (int *) whereas under other systems it is
2564 * (void *) if you don't have a cast it will choke the compiler:
2565 * if you do have a cast then you can either go for (int *) or
2566 * (void *).
2567 */
1fbab1dc 2568#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2569 /*
2570 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2571 * only on sockets. As a workaround we timeout the select every
2572 * second and check for any keypress. In a proper Windows
2573 * application we wouldn't do this because it is inefficient.
2574 */
ff25dd1a
RL		 2575 timeout.tv_sec = 1;
2576 timeout.tv_usec = 0;
2577 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
75dd6c1a 2578 if (has_stdin_waiting())
0f113f3e 2579 read_from_terminal = 1;
75dd6c1a
MC		 2580 if ((i < 0) || (!i && !read_from_terminal))
2581 continue;
06f4536a 2582#else
6f6da2fe 2583 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
0f113f3e
MC		 2584 timeoutp = &timeout;
2585 else
2586 timeoutp = NULL;
2587
2588 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2589
6f6da2fe 2590 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
0f113f3e 2591 BIO_printf(bio_err, "TIMEOUT occurred\n");
0f113f3e
MC		 2592
2593 if (i <= 0)
2594 continue;
51e5133d 2595 if (FD_ISSET(fileno_stdin(), &readfds))
0f113f3e
MC		 2596 read_from_terminal = 1;
2597#endif
2598 if (FD_ISSET(s, &readfds))
2599 read_from_sslcon = 1;
2600 }
2601 if (read_from_terminal) {
2602 if (s_crlf) {
2603 int j, lf_num;
2604
c7bdb6a3 2605 i = raw_read_stdin(buf, bufsize / 2);
c7bdb6a3 2606 lf_num = 0;
0f113f3e
MC		 2607 /* both loops are skipped when i <= 0 */
2608 for (j = 0; j < i; j++)
2609 if (buf[j] == '\n')
2610 lf_num++;
2611 for (j = i - 1; j >= 0; j--) {
2612 buf[j + lf_num] = buf[j];
2613 if (buf[j] == '\n') {
2614 lf_num--;
2615 i++;
2616 buf[j + lf_num] = '\r';
2617 }
2618 }
2619 assert(lf_num == 0);
2234212c 2620 } else {
c7bdb6a3 2621 i = raw_read_stdin(buf, bufsize);
2234212c 2622 }
51e5133d 2623
0f113f3e
MC		 2624 if (!s_quiet && !s_brief) {
2625 if ((i <= 0) || (buf[0] == 'Q')) {
2626 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2627 (void)BIO_flush(bio_s_out);
8731a4fc 2628 BIO_closesocket(s);
0f113f3e
MC		 2629 close_accept_socket();
2630 ret = -11;
2631 goto err;
2632 }
2633 if ((i <= 0) || (buf[0] == 'q')) {
2634 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2635 (void)BIO_flush(bio_s_out);
0f113f3e 2636 if (SSL_version(con) != DTLS1_VERSION)
8731a4fc 2637 BIO_closesocket(s);
0f113f3e
MC		 2638 /*
2639 * close_accept_socket(); ret= -11;
2640 */
2641 goto err;
2642 }
0f113f3e
MC		 2643 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2644 SSL_renegotiate(con);
2645 i = SSL_do_handshake(con);
2646 printf("SSL_do_handshake -> %d\n", i);
2647 i = 0; /* 13; */
2648 continue;
0f113f3e
MC		 2649 }
2650 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2651 SSL_set_verify(con,
2652 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2653 NULL);
2654 SSL_renegotiate(con);
2655 i = SSL_do_handshake(con);
2656 printf("SSL_do_handshake -> %d\n", i);
2657 i = 0; /* 13; */
2658 continue;
0f113f3e 2659 }
34df45b5
MC		 2660 if ((buf[0] == 'K' || buf[0] == 'k')
2661 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2662 SSL_key_update(con, buf[0] == 'K' ?
2663 SSL_KEY_UPDATE_REQUESTED
2664 : SSL_KEY_UPDATE_NOT_REQUESTED);
2665 i = SSL_do_handshake(con);
2666 printf("SSL_do_handshake -> %d\n", i);
2667 i = 0;
2668 continue;
34df45b5 2669 }
9d75dce3
TS		 2670 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2671 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2672 i = SSL_verify_client_post_handshake(con);
2673 if (i == 0) {
2674 printf("Failed to initiate request\n");
2675 ERR_print_errors(bio_err);
2676 } else {
2677 i = SSL_do_handshake(con);
2678 printf("SSL_do_handshake -> %d\n", i);
2679 i = 0;
2680 }
2681 continue;
2682 }
0f113f3e 2683 if (buf[0] == 'P') {
4bac25e1 2684 static const char str[] = "Lets print some clear text\n";
2685 BIO_write(SSL_get_wbio(con), str, sizeof(str) -1);
0f113f3e
MC		 2686 }
2687 if (buf[0] == 'S') {
2688 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2689 }
2690 }
a53955d8 2691#ifdef CHARSET_EBCDIC
0f113f3e 2692 ebcdic2ascii(buf, buf, i);
a53955d8 2693#endif
0f113f3e
MC		 2694 l = k = 0;
2695 for (;;) {
2696 /* should do a select for the write */
58964a49 2697#ifdef RENEG
54463e4f
F		 2698 static count = 0;
2699 if (++count == 100) {
2700 count = 0;
2701 SSL_renegotiate(con);
0f113f3e 2702 }
d02b48c6 2703#endif
0f113f3e 2704 k = SSL_write(con, &(buf[l]), (unsigned int)i);
9641be2a 2705#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2706 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2707 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
6d2a1eff
MC		 2708
2709 lookup_srp_user(&srp_callback_parm, bio_s_out);
2710
0f113f3e
MC		 2711 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2712 }
2713#endif
2714 switch (SSL_get_error(con, k)) {
2715 case SSL_ERROR_NONE:
2716 break;
7e25dd6d
MC		 2717 case SSL_ERROR_WANT_ASYNC:
2718 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
384f08dc 2719 (void)BIO_flush(bio_s_out);
f4da39d2 2720 wait_for_async(con);
7e25dd6d 2721 break;
0f113f3e
MC		 2722 case SSL_ERROR_WANT_WRITE:
2723 case SSL_ERROR_WANT_READ:
2724 case SSL_ERROR_WANT_X509_LOOKUP:
2725 BIO_printf(bio_s_out, "Write BLOCK\n");
384f08dc 2726 (void)BIO_flush(bio_s_out);
0f113f3e 2727 break;
fc7f190c
MC		 2728 case SSL_ERROR_WANT_ASYNC_JOB:
2729 /*
2730 * This shouldn't ever happen in s_server. Treat as an error
2731 */
0f113f3e
MC		 2732 case SSL_ERROR_SYSCALL:
2733 case SSL_ERROR_SSL:
2734 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2735 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2736 ERR_print_errors(bio_err);
2737 ret = 1;
2738 goto err;
2739 /* break; */
2740 case SSL_ERROR_ZERO_RETURN:
2741 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2742 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2743 ret = 1;
2744 goto err;
2745 }
00d565cf
RS		 2746 if (k > 0) {
2747 l += k;
2748 i -= k;
2749 }
0f113f3e
MC		 2750 if (i <= 0)
2751 break;
2752 }
2753 }
2754 if (read_from_sslcon) {
64c07bd2
MC		 2755 /*
2756 * init_ssl_connection handles all async events itself so if we're
2757 * waiting for async then we shouldn't go back into
2758 * init_ssl_connection
2759 */
2760 if ((!async || !SSL_waiting_for_async(con))
2761 && !SSL_is_init_finished(con)) {
a6d52f17
DF		 2762 /*
2763 * Count number of reads during init_ssl_connection.
2764 * It helps us to distinguish configuration errors from errors
2765 * caused by a client.
2766 */
2767 unsigned int read_counter = 0;
2768
2769 BIO_set_callback_arg(SSL_get_rbio(con), (char *)&read_counter);
0f113f3e 2770 i = init_ssl_connection(con);
a6d52f17
DF		 2771 BIO_set_callback_arg(SSL_get_rbio(con), NULL);
2772
2773 /*
2774 * If initialization fails without reads, then
2775 * there was a fatal error in configuration.
2776 */
2777 if (i <= 0 && read_counter == 0) {
2778 ret = -1;
2779 goto err;
2780 }
0f113f3e
MC		 2781 if (i < 0) {
2782 ret = 0;
2783 goto err;
2784 } else if (i == 0) {
2785 ret = 1;
2786 goto err;
2787 }
2788 } else {
2789 again:
2790 i = SSL_read(con, (char *)buf, bufsize);
9641be2a 2791#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2792 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2793 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
6d2a1eff
MC		 2794
2795 lookup_srp_user(&srp_callback_parm, bio_s_out);
2796
0f113f3e
MC		 2797 i = SSL_read(con, (char *)buf, bufsize);
2798 }
2799#endif
2800 switch (SSL_get_error(con, i)) {
2801 case SSL_ERROR_NONE:
a53955d8 2802#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2803 ascii2ebcdic(buf, buf, i);
2804#endif
2805 raw_write_stdout(buf, (unsigned int)i);
384f08dc 2806 (void)BIO_flush(bio_s_out);
fd068d50 2807 if (SSL_has_pending(con))
0f113f3e
MC		 2808 goto again;
2809 break;
7e25dd6d 2810 case SSL_ERROR_WANT_ASYNC:
f4da39d2 2811 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
384f08dc 2812 (void)BIO_flush(bio_s_out);
f4da39d2
MC		 2813 wait_for_async(con);
2814 break;
0f113f3e
MC		 2815 case SSL_ERROR_WANT_WRITE:
2816 case SSL_ERROR_WANT_READ:
2817 BIO_printf(bio_s_out, "Read BLOCK\n");
384f08dc 2818 (void)BIO_flush(bio_s_out);
0f113f3e 2819 break;
fc7f190c
MC		 2820 case SSL_ERROR_WANT_ASYNC_JOB:
2821 /*
2822 * This shouldn't ever happen in s_server. Treat as an error
2823 */
0f113f3e
MC		 2824 case SSL_ERROR_SYSCALL:
2825 case SSL_ERROR_SSL:
2826 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2827 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2828 ERR_print_errors(bio_err);
2829 ret = 1;
2830 goto err;
2831 case SSL_ERROR_ZERO_RETURN:
2832 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2833 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2834 ret = 1;
2835 goto err;
2836 }
2837 }
2838 }
2839 }
2840 err:
2841 if (con != NULL) {
2842 BIO_printf(bio_s_out, "shutting down SSL\n");
edbb56ee 2843 do_ssl_shutdown(con);
0f113f3e
MC		 2844 SSL_free(con);
2845 }
2846 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
4b45c6e5 2847 OPENSSL_clear_free(buf, bufsize);
26a7d938 2848 return ret;
0f113f3e 2849}
d02b48c6 2850
6b691a5c 2851static void close_accept_socket(void)
0f113f3e
MC		 2852{
2853 BIO_printf(bio_err, "shutdown accept socket\n");
2854 if (accept_socket >= 0) {
8731a4fc 2855 BIO_closesocket(accept_socket);
0f113f3e
MC		 2856 }
2857}
d02b48c6 2858
068e3d73
MC		 2859static int is_retryable(SSL *con, int i)
2860{
2861 int err = SSL_get_error(con, i);
2862
2863 /* If it's not a fatal error, it must be retryable */
2864 return (err != SSL_ERROR_SSL)
2865 && (err != SSL_ERROR_SYSCALL)
2866 && (err != SSL_ERROR_ZERO_RETURN);
2867}
2868
6b691a5c 2869static int init_ssl_connection(SSL *con)
0f113f3e
MC		 2870{
2871 int i;
df2ee0e2 2872 long verify_err;
384f08dc 2873 int retry = 0;
fd4e98ec 2874
c2f9648d 2875 if (dtlslisten || stateless) {
d858c876
RL		 2876 BIO_ADDR *client = NULL;
2877
c2f9648d
MC		 2878 if (dtlslisten) {
2879 if ((client = BIO_ADDR_new()) == NULL) {
2880 BIO_printf(bio_err, "ERROR - memory\n");
2881 return 0;
2882 }
2883 i = DTLSv1_listen(con, client);
2884 } else {
2885 i = SSL_stateless(con);
d858c876 2886 }
fd4e98ec
MC		 2887 if (i > 0) {
2888 BIO *wbio;
3a796184 2889 int fd = -1;
fd4e98ec 2890
c2f9648d
MC		 2891 if (dtlslisten) {
2892 wbio = SSL_get_wbio(con);
2893 if (wbio) {
2894 BIO_get_fd(wbio, &fd);
2895 }
fd4e98ec 2896
c2f9648d
MC		 2897 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2898 BIO_printf(bio_err, "ERROR - unable to connect\n");
2899 BIO_ADDR_free(client);
2900 return 0;
2901 }
b92678f4
MH		 2902
2903 (void)BIO_ctrl_set_connected(wbio, client);
d858c876 2904 BIO_ADDR_free(client);
c2f9648d
MC		 2905 dtlslisten = 0;
2906 } else {
2907 stateless = 0;
fd4e98ec 2908 }
fd4e98ec 2909 i = SSL_accept(con);
a3768e0c
MC		 2910 } else {
2911 BIO_ADDR_free(client);
fd4e98ec 2912 }
c2f9648d
MC		 2913 } else {
2914 do {
2915 i = SSL_accept(con);
d02b48c6 2916
c2f9648d
MC		 2917 if (i <= 0)
2918 retry = is_retryable(con, i);
3323314f 2919#ifdef CERT_CB_TEST_RETRY
c2f9648d
MC		 2920 {
2921 while (i <= 0
2922 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2923 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2924 BIO_printf(bio_err,
2925 "LOOKUP from certificate callback during accept\n");
2926 i = SSL_accept(con);
2927 if (i <= 0)
2928 retry = is_retryable(con, i);
2929 }
2930 }
2931#endif
2932
2933#ifndef OPENSSL_NO_SRP
d6073e27 2934 while (i <= 0
c2f9648d
MC		 2935 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2936 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2937 srp_callback_parm.login);
6d2a1eff
MC		 2938
2939 lookup_srp_user(&srp_callback_parm, bio_s_out);
2940
7e25dd6d 2941 i = SSL_accept(con);
384f08dc 2942 if (i <= 0)
068e3d73 2943 retry = is_retryable(con, i);
7e25dd6d 2944 }
3323314f 2945#endif
c2f9648d
MC		 2946 } while (i < 0 && SSL_waiting_for_async(con));
2947 }
0f113f3e
MC		 2948
2949 if (i <= 0) {
c2f9648d
MC		 2950 if (((dtlslisten || stateless) && i == 0)
2951 || (!dtlslisten && !stateless && retry)) {
0f113f3e 2952 BIO_printf(bio_s_out, "DELAY\n");
208fb891 2953 return 1;
0f113f3e
MC		 2954 }
2955
2956 BIO_printf(bio_err, "ERROR\n");
7e1b7485 2957
df2ee0e2
BL		 2958 verify_err = SSL_get_verify_result(con);
2959 if (verify_err != X509_V_OK) {
0f113f3e 2960 BIO_printf(bio_err, "verify error:%s\n",
df2ee0e2 2961 X509_verify_cert_error_string(verify_err));
0f113f3e
MC		 2962 }
2963 /* Always print any error messages */
2964 ERR_print_errors(bio_err);
26a7d938 2965 return 0;
0f113f3e
MC		 2966 }
2967
ade1e888
MC		 2968 print_connection_info(con);
2969 return 1;
2970}
2971
2972static void print_connection_info(SSL *con)
2973{
2974 const char *str;
2975 X509 *peer;
2976 char buf[BUFSIZ];
2977#if !defined(OPENSSL_NO_NEXTPROTONEG)
2978 const unsigned char *next_proto_neg;
2979 unsigned next_proto_neg_len;
2980#endif
2981 unsigned char *exportedkeymat;
2982 int i;
2983
0f113f3e 2984 if (s_brief)
ecf3a1fb 2985 print_ssl_summary(con);
0f113f3e
MC		 2986
2987 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2988
8c2bfd25 2989 peer = SSL_get0_peer_certificate(con);
0f113f3e
MC		 2990 if (peer != NULL) {
2991 BIO_printf(bio_s_out, "Client certificate\n");
2992 PEM_write_bio_X509(bio_s_out, peer);
b5c4209b 2993 dump_cert_text(bio_s_out, peer);
049f3655 2994 peer = NULL;
0f113f3e
MC		 2995 }
2996
cbe29648 2997 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
0f113f3e
MC		 2998 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2999 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
3000 ssl_print_sigalgs(bio_s_out, con);
14536c8c 3001#ifndef OPENSSL_NO_EC
0f113f3e 3002 ssl_print_point_formats(bio_s_out, con);
de4d764e 3003 ssl_print_groups(bio_s_out, con, 0);
14536c8c 3004#endif
5969a2dd 3005 print_ca_names(bio_s_out, con);
0f113f3e 3006 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
e7f8ff43 3007
e481f9b9 3008#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 3009 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
3010 if (next_proto_neg) {
3011 BIO_printf(bio_s_out, "NEXTPROTO is ");
3012 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
3013 BIO_printf(bio_s_out, "\n");
3014 }
ee2ffc27 3015#endif
e783bae2 3016#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 3017 {
3018 SRTP_PROTECTION_PROFILE *srtp_profile
3019 = SSL_get_selected_srtp_profile(con);
3020
3021 if (srtp_profile)
3022 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
3023 srtp_profile->name);
3024 }
3025#endif
b577fd0b 3026 if (SSL_session_reused(con))
0f113f3e 3027 BIO_printf(bio_s_out, "Reused session-id\n");
af5e63e1
FG		 3028
3029 ssl_print_secure_renegotiation_notes(bio_s_out, con);
3030
db0f35dd
TS		 3031 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
3032 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
3033
0f113f3e
MC		 3034 if (keymatexportlabel != NULL) {
3035 BIO_printf(bio_s_out, "Keying material exporter:\n");
3036 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
3037 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
68dc6824 3038 exportedkeymat = app_malloc(keymatexportlen, "export key");
40649e36 3039 if (SSL_export_keying_material(con, exportedkeymat,
68dc6824
RS		 3040 keymatexportlen,
3041 keymatexportlabel,
3042 strlen(keymatexportlabel),
40649e36 3043 NULL, 0, 0) <= 0) {
68dc6824
RS		 3044 BIO_printf(bio_s_out, " Error\n");
3045 } else {
3046 BIO_printf(bio_s_out, " Keying material: ");
3047 for (i = 0; i < keymatexportlen; i++)
3048 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
3049 BIO_printf(bio_s_out, "\n");
0f113f3e 3050 }
68dc6824 3051 OPENSSL_free(exportedkeymat);
0f113f3e 3052 }
d6c3c189
BP		 3053#ifndef OPENSSL_NO_KTLS
3054 if (BIO_get_ktls_send(SSL_get_wbio(con)))
3055 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
005080aa
BP		 3056 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
3057 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
d6c3c189 3058#endif
0f113f3e 3059
d6073e27 3060 (void)BIO_flush(bio_s_out);
0f113f3e 3061}
d02b48c6 3062
72d0bc84 3063static int www_body(int s, int stype, int prot, unsigned char *context)
0f113f3e 3064{
2ff286c2 3065 char *buf = NULL, *p;
0f113f3e
MC		 3066 int ret = 1;
3067 int i, j, k, dot;
3068 SSL *con;
3069 const SSL_CIPHER *c;
3070 BIO *io, *ssl_bio, *sbio;
7e1b7485
RS		 3071#ifdef RENEG
3072 int total_bytes = 0;
3073#endif
075c8795 3074 int width;
aea68b0d
HL		 3075#ifndef OPENSSL_NO_KTLS
3076 int use_sendfile_for_req = use_sendfile;
3077#endif
075c8795 3078 fd_set readfds;
c3be39f2 3079 const char *opmode;
ba0b60c6
JJ		 3080#ifdef CHARSET_EBCDIC
3081 BIO *filter;
3082#endif
075c8795
MC		 3083
3084 /* Set width for a select call if needed */
3085 width = s + 1;
d02b48c6 3086
148b592d
HK		 3087 /* as we use BIO_gets(), and it always null terminates data, we need
3088 * to allocate 1 byte longer buffer to fit the full 2^14 byte record */
3089 p = buf = app_malloc(bufsize + 1, "server www buffer");
0f113f3e
MC		 3090 io = BIO_new(BIO_f_buffer());
3091 ssl_bio = BIO_new(BIO_f_ssl());
3092 if ((io == NULL) || (ssl_bio == NULL))
3093 goto err;
d02b48c6 3094
0f113f3e 3095 if (s_nbio) {
ba810815 3096 if (!BIO_socket_nbio(s, 1))
0f113f3e 3097 ERR_print_errors(bio_err);
ba810815
RS		 3098 else if (!s_quiet)
3099 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 3100 }
d02b48c6 3101
0f113f3e
MC		 3102 /* lets make the output buffer a reasonable size */
3103 if (!BIO_set_write_buffer_size(io, bufsize))
3104 goto err;
d02b48c6 3105
0f113f3e
MC		 3106 if ((con = SSL_new(ctx)) == NULL)
3107 goto err;
e481f9b9 3108
0f113f3e
MC		 3109 if (s_tlsextdebug) {
3110 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3111 SSL_set_tlsext_debug_arg(con, bio_s_out);
3112 }
e481f9b9 3113
2234212c 3114 if (context != NULL
d6073e27 3115 && !SSL_set_session_id_context(con, context,
67afcfd3
MC		 3116 strlen((char *)context))) {
3117 SSL_free(con);
ac59d705 3118 goto err;
67afcfd3 3119 }
0f113f3e
MC		 3120
3121 sbio = BIO_new_socket(s, BIO_NOCLOSE);
ba0b60c6
JJ		 3122 if (sbio == NULL) {
3123 SSL_free(con);
3124 goto err;
3125 }
3126
0f113f3e
MC		 3127 if (s_nbio_test) {
3128 BIO *test;
3129
3130 test = BIO_new(BIO_f_nbio_test());
ba0b60c6
JJ		 3131 if (test == NULL) {
3132 SSL_free(con);
3133 BIO_free(sbio);
3134 goto err;
3135 }
3136
0f113f3e
MC		 3137 sbio = BIO_push(test, sbio);
3138 }
3139 SSL_set_bio(con, sbio, sbio);
3140 SSL_set_accept_state(con);
3141
67afcfd3 3142 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
0f113f3e
MC		 3143 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3144 BIO_push(io, ssl_bio);
1f3f8a3d 3145 ssl_bio = NULL;
a53955d8 3146#ifdef CHARSET_EBCDIC
ba0b60c6
JJ		 3147 filter = BIO_new(BIO_f_ebcdic_filter());
3148 if (filter == NULL)
3149 goto err;
3150
3151 io = BIO_push(filter, io);
a53955d8 3152#endif
d02b48c6 3153
0f113f3e 3154 if (s_debug) {
0800318a 3155 BIO_set_callback_ex(SSL_get_rbio(con), bio_dump_callback);
0f113f3e
MC		 3156 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3157 }
3158 if (s_msg) {
93ab9e42 3159#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 3160 if (s_msg == 2)
3161 SSL_set_msg_callback(con, SSL_trace);
3162 else
3163#endif
3164 SSL_set_msg_callback(con, msg_cb);
3165 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3166 }
3167
3168 for (;;) {
148b592d 3169 i = BIO_gets(io, buf, bufsize + 1);
0f113f3e 3170 if (i < 0) { /* error */
4cfa6204 3171 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
0f113f3e
MC		 3172 if (!s_quiet)
3173 ERR_print_errors(bio_err);
3174 goto err;
3175 } else {
3176 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH		 3177#ifndef OPENSSL_NO_SRP
3178 if (BIO_should_io_special(io)
3179 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3180 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
6d2a1eff
MC		 3181
3182 lookup_srp_user(&srp_callback_parm, bio_s_out);
3183
4e7e6230
DSH		 3184 continue;
3185 }
3186#endif
5139dec2 3187 OSSL_sleep(1000);
0f113f3e
MC		 3188 continue;
3189 }
3190 } else if (i == 0) { /* end of input */
3191 ret = 1;
3192 goto end;
3193 }
d02b48c6 3194
0f113f3e 3195 /* else we have data */
2ff286c2
DDO		 3196 if ((www == 1 && HAS_PREFIX(buf, "GET "))
3197 || (www == 2 && HAS_PREFIX(buf, "GET /stats "))) {
049f3655 3198 X509 *peer = NULL;
0f113f3e
MC		 3199 STACK_OF(SSL_CIPHER) *sk;
3200 static const char *space = " ";
3201
2ff286c2
DDO		 3202 if (www == 1 && HAS_PREFIX(buf, "GET /reneg")) {
3203 if (HAS_PREFIX(buf, "GET /renegcert"))
0f113f3e
MC		 3204 SSL_set_verify(con,
3205 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3206 NULL);
3207 i = SSL_renegotiate(con);
3208 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
075c8795 3209 /* Send the HelloRequest */
0f113f3e
MC		 3210 i = SSL_do_handshake(con);
3211 if (i <= 0) {
3212 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3213 SSL_get_error(con, i));
3214 ERR_print_errors(bio_err);
3215 goto err;
3216 }
075c8795
MC		 3217 /* Wait for a ClientHello to come back */
3218 FD_ZERO(&readfds);
3219 openssl_fdset(s, &readfds);
3220 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3221 if (i <= 0 || !FD_ISSET(s, &readfds)) {
d6073e27
F		 3222 BIO_printf(bio_s_out,
3223 "Error waiting for client response\n");
0f113f3e
MC		 3224 ERR_print_errors(bio_err);
3225 goto err;
3226 }
075c8795 3227 /*
049f3655 3228 * We're not actually expecting any data here and we ignore
075c8795
MC		 3229 * any that is sent. This is just to force the handshake that
3230 * we're expecting to come from the client. If they haven't
3231 * sent one there's not much we can do.
3232 */
148b592d 3233 BIO_gets(io, buf, bufsize + 1);
0f113f3e
MC		 3234 }
3235
3236 BIO_puts(io,
3237 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3238 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3239 BIO_puts(io, "<pre>\n");
049f3655 3240 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
0f113f3e
MC		 3241 BIO_puts(io, "\n");
3242 for (i = 0; i < local_argc; i++) {
f92beb98 3243 const char *myp;
2ff286c2 3244
f92beb98
RS		 3245 for (myp = local_argv[i]; *myp; myp++)
3246 switch (*myp) {
3247 case '<':
3248 BIO_puts(io, "&lt;");
3249 break;
3250 case '>':
3251 BIO_puts(io, "&gt;");
3252 break;
3253 case '&':
3254 BIO_puts(io, "&amp;");
3255 break;
3256 default:
3257 BIO_write(io, myp, 1);
3258 break;
3259 }
0f113f3e
MC		 3260 BIO_write(io, " ", 1);
3261 }
3262 BIO_puts(io, "\n");
3263
af5e63e1 3264 ssl_print_secure_renegotiation_notes(io, con);
0f113f3e
MC		 3265
3266 /*
3267 * The following is evil and should not really be done
3268 */
3269 BIO_printf(io, "Ciphers supported in s_server binary\n");
3270 sk = SSL_get_ciphers(con);
3271 j = sk_SSL_CIPHER_num(sk);
3272 for (i = 0; i < j; i++) {
3273 c = sk_SSL_CIPHER_value(sk, i);
7e1b7485 3274 BIO_printf(io, "%-11s:%-25s ",
0f113f3e
MC		 3275 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3276 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3277 BIO_puts(io, "\n");
3278 }
3279 BIO_puts(io, "\n");
3280 p = SSL_get_shared_ciphers(con, buf, bufsize);
3281 if (p != NULL) {
3282 BIO_printf(io,
3283 "---\nCiphers common between both SSL end points:\n");
3284 j = i = 0;
3285 while (*p) {
3286 if (*p == ':') {
3287 BIO_write(io, space, 26 - j);
3288 i++;
3289 j = 0;
3290 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3291 } else {
3292 BIO_write(io, p, 1);
3293 j++;
3294 }
3295 p++;
3296 }
3297 BIO_puts(io, "\n");
3298 }
3299 ssl_print_sigalgs(io, con);
3300#ifndef OPENSSL_NO_EC
de4d764e 3301 ssl_print_groups(io, con, 0);
0f113f3e 3302#endif
5969a2dd 3303 print_ca_names(io, con);
b577fd0b 3304 BIO_printf(io, (SSL_session_reused(con)
0f113f3e
MC		 3305 ? "---\nReused, " : "---\nNew, "));
3306 c = SSL_get_current_cipher(con);
3307 BIO_printf(io, "%s, Cipher is %s\n",
3308 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3309 SSL_SESSION_print(io, SSL_get_session(con));
3310 BIO_printf(io, "---\n");
3311 print_stats(io, SSL_get_SSL_CTX(con));
3312 BIO_printf(io, "---\n");
8c2bfd25 3313 peer = SSL_get0_peer_certificate(con);
0f113f3e
MC		 3314 if (peer != NULL) {
3315 BIO_printf(io, "Client certificate\n");
3316 X509_print(io, peer);
3317 PEM_write_bio_X509(io, peer);
049f3655 3318 peer = NULL;
1a9f5cf0 3319 } else {
0f113f3e 3320 BIO_puts(io, "no client certificate available\n");
1a9f5cf0
XL		 3321 }
3322 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
0f113f3e 3323 break;
2e3b8292 3324 } else if ((www == 2 || www == 3) && CHECK_AND_SKIP_PREFIX(p, "GET /")) {
0f113f3e 3325 BIO *file;
2ff286c2 3326 char *e;
0f113f3e
MC		 3327 static const char *text =
3328 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3329
0f113f3e
MC		 3330 dot = 1;
3331 for (e = p; *e != '\0'; e++) {
3332 if (e[0] == ' ')
3333 break;
3334
0a4d6c67
MC		 3335 if (e[0] == ':') {
3336 /* Windows drive. We treat this the same way as ".." */
3337 dot = -1;
3338 break;
3339 }
3340
0f113f3e
MC		 3341 switch (dot) {
3342 case 1:
3343 dot = (e[0] == '.') ? 2 : 0;
3344 break;
3345 case 2:
3346 dot = (e[0] == '.') ? 3 : 0;
3347 break;
3348 case 3:
0a4d6c67 3349 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
0f113f3e
MC		 3350 break;
3351 }
3352 if (dot == 0)
0a4d6c67 3353 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
0f113f3e
MC		 3354 }
3355 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3356 * component */
3357
3358 if (*e == '\0') {
3359 BIO_puts(io, text);
3360 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3361 break;
3362 }
3363 *e = '\0';
3364
3365 if (dot) {
3366 BIO_puts(io, text);
0a4d6c67 3367 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
0f113f3e
MC		 3368 break;
3369 }
3370
0a4d6c67 3371 if (*p == '/' || *p == '\\') {
0f113f3e
MC		 3372 BIO_puts(io, text);
3373 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3374 break;
3375 }
d02b48c6 3376
0f113f3e
MC		 3377 /* if a directory, do the index thang */
3378 if (app_isdir(p) > 0) {
0f113f3e
MC		 3379 BIO_puts(io, text);
3380 BIO_printf(io, "'%s' is a directory\r\n", p);
3381 break;
0f113f3e
MC		 3382 }
3383
c3be39f2
LZ		 3384 opmode = (http_server_binmode == 1) ? "rb" : "r";
3385 if ((file = BIO_new_file(p, opmode)) == NULL) {
0f113f3e 3386 BIO_puts(io, text);
c3be39f2 3387 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
0f113f3e
MC		 3388 ERR_print_errors(io);
3389 break;
3390 }
3391
3392 if (!s_quiet)
3393 BIO_printf(bio_err, "FILE:%s\n", p);
3394
3395 if (www == 2) {
3396 i = strlen(p);
3397 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3398 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3399 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3400 BIO_puts(io,
3401 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3402 else
3403 BIO_puts(io,
3404 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3405 }
3406 /* send the file */
cd81ac7b 3407#ifndef OPENSSL_NO_KTLS
aea68b0d
HL		 3408 if (use_sendfile_for_req && !BIO_get_ktls_send(SSL_get_wbio(con))) {
3409 BIO_printf(bio_err, "Warning: sendfile requested but KTLS is not available\n");
3410 use_sendfile_for_req = 0;
3411 }
3412 if (use_sendfile_for_req) {
cd81ac7b
TZ		 3413 FILE *fp = NULL;
3414 int fd;
3415 struct stat st;
3416 off_t offset = 0;
3417 size_t filesize;
3418
3419 BIO_get_fp(file, &fp);
3420 fd = fileno(fp);
3421 if (fstat(fd, &st) < 0) {
3422 BIO_printf(io, "Error fstat '%s'\r\n", p);
3423 ERR_print_errors(io);
3424 goto write_error;
3425 }
d02b48c6 3426
cd81ac7b
TZ		 3427 filesize = st.st_size;
3428 if (((int)BIO_flush(io)) < 0)
3429 goto write_error;
3430
3431 for (;;) {
3432 i = SSL_sendfile(con, fd, offset, filesize, 0);
3433 if (i < 0) {
3434 BIO_printf(io, "Error SSL_sendfile '%s'\r\n", p);
3435 ERR_print_errors(io);
3436 break;
3437 } else {
3438 offset += i;
3439 filesize -= i;
3440 }
3441
3442 if (filesize <= 0) {
3443 if (!s_quiet)
3444 BIO_printf(bio_err, "KTLS SENDFILE '%s' OK\n", p);
3445
3446 break;
3447 }
0f113f3e 3448 }
cd81ac7b 3449 } else
0f113f3e 3450#endif
cd81ac7b
TZ		 3451 {
3452 for (;;) {
3453 i = BIO_read(file, buf, bufsize);
3454 if (i <= 0)
3455 break;
0f113f3e 3456
58964a49 3457#ifdef RENEG
cd81ac7b
TZ		 3458 total_bytes += i;
3459 BIO_printf(bio_err, "%d\n", i);
3460 if (total_bytes > 3 * 1024) {
3461 total_bytes = 0;
3462 BIO_printf(bio_err, "RENEGOTIATE\n");
54463e4f 3463 SSL_renegotiate(con);
0f113f3e
MC		 3464 }
3465#endif
cd81ac7b
TZ		 3466
3467 for (j = 0; j < i;) {
3468#ifdef RENEG
3469 static count = 0;
3470 if (++count == 13)
3471 SSL_renegotiate(con);
3472#endif
3473 k = BIO_write(io, &(buf[j]), i - j);
3474 if (k <= 0) {
3475 if (!BIO_should_retry(io)
3476 && !SSL_waiting_for_async(con)) {
3477 goto write_error;
3478 } else {
3479 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3480 }
3481 } else {
3482 j += k;
0f113f3e 3483 }
0f113f3e
MC		 3484 }
3485 }
3486 }
3487 write_error:
3488 BIO_free(file);
3489 break;
3490 }
3491 }
3492
3493 for (;;) {
3494 i = (int)BIO_flush(io);
3495 if (i <= 0) {
3496 if (!BIO_should_retry(io))
3497 break;
3498 } else
3499 break;
3500 }
3501 end:
0f113f3e 3502 /* make sure we re-use sessions */
edbb56ee 3503 do_ssl_shutdown(con);
d02b48c6 3504
0f113f3e 3505 err:
b548a1f1 3506 OPENSSL_free(buf);
1f3f8a3d 3507 BIO_free(ssl_bio);
ca3a82c3 3508 BIO_free_all(io);
26a7d938 3509 return ret;
0f113f3e 3510}
d02b48c6 3511
72d0bc84 3512static int rev_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 3513{
3514 char *buf = NULL;
3515 int i;
3516 int ret = 1;
3517 SSL *con;
3518 BIO *io, *ssl_bio, *sbio;
ba0b60c6
JJ		 3519#ifdef CHARSET_EBCDIC
3520 BIO *filter;
3521#endif
4f3df8be 3522
148b592d
HK		 3523 /* as we use BIO_gets(), and it always null terminates data, we need
3524 * to allocate 1 byte longer buffer to fit the full 2^14 byte record */
3525 buf = app_malloc(bufsize + 1, "server rev buffer");
0f113f3e
MC		 3526 io = BIO_new(BIO_f_buffer());
3527 ssl_bio = BIO_new(BIO_f_ssl());
3528 if ((io == NULL) || (ssl_bio == NULL))
3529 goto err;
4f3df8be 3530
0f113f3e
MC		 3531 /* lets make the output buffer a reasonable size */
3532 if (!BIO_set_write_buffer_size(io, bufsize))
3533 goto err;
4f3df8be 3534
0f113f3e
MC		 3535 if ((con = SSL_new(ctx)) == NULL)
3536 goto err;
e481f9b9 3537
0f113f3e
MC		 3538 if (s_tlsextdebug) {
3539 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3540 SSL_set_tlsext_debug_arg(con, bio_s_out);
3541 }
2234212c 3542 if (context != NULL
d6073e27
F		 3543 && !SSL_set_session_id_context(con, context,
3544 strlen((char *)context))) {
67afcfd3 3545 SSL_free(con);
ac59d705
MC		 3546 ERR_print_errors(bio_err);
3547 goto err;
3548 }
0f113f3e
MC		 3549
3550 sbio = BIO_new_socket(s, BIO_NOCLOSE);
ba0b60c6
JJ		 3551 if (sbio == NULL) {
3552 SSL_free(con);
3553 ERR_print_errors(bio_err);
3554 goto err;
3555 }
3556
0f113f3e
MC		 3557 SSL_set_bio(con, sbio, sbio);
3558 SSL_set_accept_state(con);
3559
67afcfd3 3560 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
0f113f3e
MC		 3561 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3562 BIO_push(io, ssl_bio);
1f3f8a3d 3563 ssl_bio = NULL;
4f3df8be 3564#ifdef CHARSET_EBCDIC
ba0b60c6
JJ		 3565 filter = BIO_new(BIO_f_ebcdic_filter());
3566 if (filter == NULL)
3567 goto err;
3568
3569 io = BIO_push(filter, io);
4f3df8be
DSH		 3570#endif
3571
0f113f3e 3572 if (s_debug) {
0800318a 3573 BIO_set_callback_ex(SSL_get_rbio(con), bio_dump_callback);
0f113f3e
MC		 3574 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3575 }
3576 if (s_msg) {
4f3df8be 3577#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 3578 if (s_msg == 2)
3579 SSL_set_msg_callback(con, SSL_trace);
3580 else
3581#endif
3582 SSL_set_msg_callback(con, msg_cb);
3583 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3584 }
3585
3586 for (;;) {
3587 i = BIO_do_handshake(io);
3588 if (i > 0)
3589 break;
3590 if (!BIO_should_retry(io)) {
3591 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3592 ERR_print_errors(bio_err);
3593 goto end;
3594 }
4e7e6230
DSH		 3595#ifndef OPENSSL_NO_SRP
3596 if (BIO_should_io_special(io)
3597 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3598 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
6d2a1eff
MC		 3599
3600 lookup_srp_user(&srp_callback_parm, bio_s_out);
3601
4e7e6230
DSH		 3602 continue;
3603 }
3604#endif
0f113f3e
MC		 3605 }
3606 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 3607 print_ssl_summary(con);
0f113f3e
MC		 3608
3609 for (;;) {
148b592d 3610 i = BIO_gets(io, buf, bufsize + 1);
0f113f3e
MC		 3611 if (i < 0) { /* error */
3612 if (!BIO_should_retry(io)) {
3613 if (!s_quiet)
3614 ERR_print_errors(bio_err);
3615 goto err;
3616 } else {
3617 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH		 3618#ifndef OPENSSL_NO_SRP
3619 if (BIO_should_io_special(io)
3620 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3621 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
6d2a1eff
MC		 3622
3623 lookup_srp_user(&srp_callback_parm, bio_s_out);
3624
4e7e6230
DSH		 3625 continue;
3626 }
3627#endif
5139dec2 3628 OSSL_sleep(1000);
0f113f3e
MC		 3629 continue;
3630 }
3631 } else if (i == 0) { /* end of input */
3632 ret = 1;
3633 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3634 goto end;
3635 } else {
3636 char *p = buf + i - 1;
3637 while (i && (*p == '\n' || *p == '\r')) {
3638 p--;
3639 i--;
3640 }
2ff286c2 3641 if (!s_ign_eof && i == 5 && HAS_PREFIX(buf, "CLOSE")) {
0f113f3e
MC		 3642 ret = 1;
3643 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3644 goto end;
3645 }
3646 BUF_reverse((unsigned char *)buf, NULL, i);
3647 buf[i] = '\n';
3648 BIO_write(io, buf, i + 1);
3649 for (;;) {
3650 i = BIO_flush(io);
3651 if (i > 0)
3652 break;
3653 if (!BIO_should_retry(io))
3654 goto end;
3655 }
3656 }
3657 }
3658 end:
3659 /* make sure we re-use sessions */
edbb56ee 3660 do_ssl_shutdown(con);
0f113f3e
MC		 3661
3662 err:
3663
b548a1f1 3664 OPENSSL_free(buf);
1f3f8a3d 3665 BIO_free(ssl_bio);
ca3a82c3 3666 BIO_free_all(io);
26a7d938 3667 return ret;
0f113f3e 3668}
4f3df8be 3669
1aa0d947 3670#define MAX_SESSION_ID_ATTEMPTS 10
ae3947de 3671static int generate_session_id(SSL *ssl, unsigned char *id,
0f113f3e
MC		 3672 unsigned int *id_len)
3673{
3674 unsigned int count = 0;
4bac25e1 3675 unsigned int session_id_prefix_len = strlen(session_id_prefix);
29f178bd 3676
0f113f3e 3677 do {
266483d2
MC		 3678 if (RAND_bytes(id, *id_len) <= 0)
3679 return 0;
0f113f3e
MC		 3680 /*
3681 * Prefix the session_id with the required prefix. NB: If our prefix
3682 * is too long, clip it - but there will be worse effects anyway, eg.
3683 * the server could only possibly create 1 session ID (ie. the
3684 * prefix!) so all future session negotiations will fail due to
3685 * conflicts.
3686 */
3687 memcpy(id, session_id_prefix,
4bac25e1 3688 (session_id_prefix_len < *id_len) ?
3689 session_id_prefix_len : *id_len);
0f113f3e
MC		 3690 }
3691 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3692 (++count < MAX_SESSION_ID_ATTEMPTS));
3693 if (count >= MAX_SESSION_ID_ATTEMPTS)
3694 return 0;
3695 return 1;
3696}
3697
3698/*
3699 * By default s_server uses an in-memory cache which caches SSL_SESSION
aa97970c 3700 * structures without any serialization. This hides some bugs which only
35b0ea4e
DSH		 3701 * become apparent in deployed servers. By implementing a basic external
3702 * session cache some issues can be debugged using s_server.
3703 */
3704
0f113f3e
MC		 3705typedef struct simple_ssl_session_st {
3706 unsigned char *id;
3707 unsigned int idlen;
3708 unsigned char *der;
3709 int derlen;
3710 struct simple_ssl_session_st *next;
3711} simple_ssl_session;
35b0ea4e
DSH		 3712
3713static simple_ssl_session *first = NULL;
3714
3715static int add_session(SSL *ssl, SSL_SESSION *session)
0f113f3e 3716{
b4faea50 3717 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
0f113f3e 3718 unsigned char *p;
35b0ea4e 3719
0f113f3e
MC		 3720 SSL_SESSION_get_id(session, &sess->idlen);
3721 sess->derlen = i2d_SSL_SESSION(session, NULL);
7e1b7485
RS		 3722 if (sess->derlen < 0) {
3723 BIO_printf(bio_err, "Error encoding session\n");
a194ee7b 3724 OPENSSL_free(sess);
7e1b7485
RS		 3725 return 0;
3726 }
35b0ea4e 3727
7644a9ae 3728 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
68dc6824
RS		 3729 sess->der = app_malloc(sess->derlen, "get session buffer");
3730 if (!sess->id) {
7e1b7485 3731 BIO_printf(bio_err, "Out of memory adding to external cache\n");
a194ee7b
RS		 3732 OPENSSL_free(sess->id);
3733 OPENSSL_free(sess->der);
918bb865
MC		 3734 OPENSSL_free(sess);
3735 return 0;
3736 }
0f113f3e 3737 p = sess->der;
7e1b7485
RS		 3738
3739 /* Assume it still works. */
3740 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
ce6766de 3741 BIO_printf(bio_err, "Unexpected session encoding length\n");
a194ee7b
RS		 3742 OPENSSL_free(sess->id);
3743 OPENSSL_free(sess->der);
3744 OPENSSL_free(sess);
ac59d705
MC		 3745 return 0;
3746 }
35b0ea4e 3747
0f113f3e
MC		 3748 sess->next = first;
3749 first = sess;
3750 BIO_printf(bio_err, "New session added to external cache\n");
3751 return 0;
3752}
35b0ea4e 3753
b6981744 3754static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
0f113f3e
MC		 3755 int *do_copy)
3756{
3757 simple_ssl_session *sess;
3758 *do_copy = 0;
3759 for (sess = first; sess; sess = sess->next) {
3760 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3761 const unsigned char *p = sess->der;
3762 BIO_printf(bio_err, "Lookup session: cache hit\n");
3763 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3764 }
3765 }
3766 BIO_printf(bio_err, "Lookup session: cache miss\n");
3767 return NULL;
3768}
35b0ea4e
DSH		 3769
3770static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
0f113f3e
MC		 3771{
3772 simple_ssl_session *sess, *prev = NULL;
3773 const unsigned char *id;
3774 unsigned int idlen;
3775 id = SSL_SESSION_get_id(session, &idlen);
3776 for (sess = first; sess; sess = sess->next) {
3777 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3778 if (prev)
3779 prev->next = sess->next;
3780 else
3781 first = sess->next;
3782 OPENSSL_free(sess->id);
3783 OPENSSL_free(sess->der);
3784 OPENSSL_free(sess);
3785 return;
3786 }
3787 prev = sess;
3788 }
3789}
35b0ea4e
DSH		 3790
3791static void init_session_cache_ctx(SSL_CTX *sctx)
0f113f3e
MC		 3792{
3793 SSL_CTX_set_session_cache_mode(sctx,
3794 SSL_SESS_CACHE_NO_INTERNAL |
3795 SSL_SESS_CACHE_SERVER);
3796 SSL_CTX_sess_set_new_cb(sctx, add_session);
3797 SSL_CTX_sess_set_get_cb(sctx, get_session);
3798 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3799}
35b0ea4e
DSH		 3800
3801static void free_sessions(void)
0f113f3e
MC		 3802{
3803 simple_ssl_session *sess, *tsess;
3804 for (sess = first; sess;) {
3805 OPENSSL_free(sess->id);
3806 OPENSSL_free(sess->der);
3807 tsess = sess;
3808 sess = sess->next;
3809 OPENSSL_free(tsess);
3810 }
3811 first = NULL;
3812}
f9e55034 3813
d6073e27 3814#endif /* OPENSSL_NO_SOCK */
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