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[thirdparty/openssl.git] / apps / s_server.c
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846e33c7 1/*
3c95ef22 2 * Copyright 1995-2023 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 98static int use_sendfile = 0;
cd715b7e 99static int use_zc_sendfile = 0;
cd81ac7b 100
0f113f3e 101static const char *session_id_prefix = NULL;
b74ba295 102
3c95ef22
TS		 103static const unsigned char cert_type_rpk[] = { TLSEXT_cert_type_rpk, TLSEXT_cert_type_x509 };
104static int enable_client_rpk = 0;
105
a7a14a23 106#ifndef OPENSSL_NO_DTLS
36d16f8e 107static int enable_timeouts = 0;
b1277b99 108static long socket_mtu;
f2ff1432 109#endif
36d16f8e 110
9998b32c
MC		 111/*
112 * We define this but make it always be 0 in no-dtls builds to simplify the
113 * code.
114 */
115static int dtlslisten = 0;
c2f9648d 116static int stateless = 0;
9998b32c 117
593a2aa3 118static int early_data = 0;
df894947 119static SSL_SESSION *psksess = NULL;
593a2aa3 120
720b6cbe 121static char *psk_identity = "Client_identity";
0f113f3e 122char *psk_key = NULL; /* by default PSK is not used */
ddac1974 123
c3be39f2
LZ		 124static char http_server_binmode = 0; /* for now: 0/1 = default/binary */
125
14e35350 126#ifndef OPENSSL_NO_PSK
ddac1974 127static unsigned int psk_server_cb(SSL *ssl, const char *identity,
0f113f3e
MC		 128 unsigned char *psk,
129 unsigned int max_psk_len)
130{
6ec6d520
DSH		 131 long key_len = 0;
132 unsigned char *key;
0f113f3e
MC		 133
134 if (s_debug)
135 BIO_printf(bio_s_out, "psk_server_cb\n");
0007ff25 136
8b09a9c7 137 if (!SSL_is_dtls(ssl) && SSL_version(ssl) >= TLS1_3_VERSION) {
0007ff25 138 /*
8b09a9c7
MC		 139 * This callback is designed for use in (D)TLSv1.2 (or below). It is
140 * possible to use a single callback for all protocol versions - but it
141 * is preferred to use a dedicated callback for TLSv1.3. For TLSv1.3 we
142 * have psk_find_session_cb.
0007ff25
MC		 143 */
144 return 0;
145 }
146
2234212c 147 if (identity == NULL) {
0f113f3e
MC		 148 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
149 goto out_err;
150 }
151 if (s_debug)
152 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
11abf922 153 (int)strlen(identity), identity);
0f113f3e
MC		 154
155 /* here we could lookup the given identity e.g. from a database */
156 if (strcmp(identity, psk_identity) != 0) {
720b6cbe 157 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
0f113f3e 158 " (got '%s' expected '%s')\n", identity, psk_identity);
720b6cbe
DKG		 159 } else {
160 if (s_debug)
0f113f3e 161 BIO_printf(bio_s_out, "PSK client identity found\n");
720b6cbe 162 }
0f113f3e
MC		 163
164 /* convert the PSK key to binary */
6ec6d520
DSH		 165 key = OPENSSL_hexstr2buf(psk_key, &key_len);
166 if (key == NULL) {
167 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
0f113f3e 168 psk_key);
0f113f3e
MC		 169 return 0;
170 }
6ec6d520 171 if (key_len > (int)max_psk_len) {
0f113f3e 172 BIO_printf(bio_err,
6ec6d520
DSH		 173 "psk buffer of callback is too small (%d) for key (%ld)\n",
174 max_psk_len, key_len);
175 OPENSSL_free(key);
0f113f3e
MC		 176 return 0;
177 }
178
6ec6d520
DSH		 179 memcpy(psk, key, key_len);
180 OPENSSL_free(key);
0f113f3e
MC		 181
182 if (s_debug)
6ec6d520
DSH		 183 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
184 return key_len;
ddac1974 185 out_err:
0f113f3e
MC		 186 if (s_debug)
187 BIO_printf(bio_err, "Error in PSK server callback\n");
c54cc2b1
RS		 188 (void)BIO_flush(bio_err);
189 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 190 return 0;
191}
ddac1974 192#endif
36d16f8e 193
df894947
MC		 194static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
195 size_t identity_len, SSL_SESSION **sess)
196{
5ffff599
MC		 197 SSL_SESSION *tmpsess = NULL;
198 unsigned char *key;
199 long key_len;
200 const SSL_CIPHER *cipher = NULL;
201
df894947 202 if (strlen(psk_identity) != identity_len
c9d6fdd6 203 || memcmp(psk_identity, identity, identity_len) != 0) {
2d015189
MC		 204 *sess = NULL;
205 return 1;
c9d6fdd6 206 }
df894947 207
5ffff599
MC		 208 if (psksess != NULL) {
209 SSL_SESSION_up_ref(psksess);
210 *sess = psksess;
211 return 1;
212 }
213
214 key = OPENSSL_hexstr2buf(psk_key, &key_len);
215 if (key == NULL) {
216 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
217 psk_key);
218 return 0;
219 }
220
e73c6eae
MC		 221 /* We default to SHA256 */
222 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
5ffff599 223 if (cipher == NULL) {
e73c6eae 224 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
fbccfedf 225 OPENSSL_free(key);
5ffff599
MC		 226 return 0;
227 }
228
229 tmpsess = SSL_SESSION_new();
230 if (tmpsess == NULL
231 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
232 || !SSL_SESSION_set_cipher(tmpsess, cipher)
233 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
234 OPENSSL_free(key);
8e2552b1 235 SSL_SESSION_free(tmpsess);
5ffff599
MC		 236 return 0;
237 }
238 OPENSSL_free(key);
239 *sess = tmpsess;
df894947
MC		 240
241 return 1;
242}
243
edc032b5 244#ifndef OPENSSL_NO_SRP
1fb6b0bf 245static srpsrvparm srp_callback_parm;
edc032b5
BL		 246#endif
247
0f113f3e 248static int local_argc = 0;
d02b48c6 249static char **local_argv;
d02b48c6 250
a53955d8
UM		 251#ifdef CHARSET_EBCDIC
252static int ebcdic_new(BIO *bi);
253static int ebcdic_free(BIO *a);
254static int ebcdic_read(BIO *b, char *out, int outl);
0fd05a2f
BM		 255static int ebcdic_write(BIO *b, const char *in, int inl);
256static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
a53955d8 257static int ebcdic_gets(BIO *bp, char *buf, int size);
0fd05a2f 258static int ebcdic_puts(BIO *bp, const char *str);
a53955d8 259
0f113f3e 260# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
5fd1478d 261static BIO_METHOD *methods_ebcdic = NULL;
0f113f3e 262
68dc6824 263/* This struct is "unwarranted chumminess with the compiler." */
0f113f3e
MC		 264typedef struct {
265 size_t alloced;
266 char buff[1];
a53955d8
UM		 267} EBCDIC_OUTBUFF;
268
5fd1478d 269static const BIO_METHOD *BIO_f_ebcdic_filter()
a53955d8 270{
5fd1478d
MC		 271 if (methods_ebcdic == NULL) {
272 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
d6073e27
F		 273 "EBCDIC/ASCII filter");
274 if (methods_ebcdic == NULL
5fd1478d
MC		 275 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
276 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
277 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
278 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
279 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
280 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
281 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
282 return NULL;
283 }
284 return methods_ebcdic;
a53955d8
UM		 285}
286
287static int ebcdic_new(BIO *bi)
288{
0f113f3e 289 EBCDIC_OUTBUFF *wbuf;
a53955d8 290
b4faea50 291 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
0f113f3e
MC		 292 wbuf->alloced = 1024;
293 wbuf->buff[0] = '\0';
a53955d8 294
5fd1478d
MC		 295 BIO_set_data(bi, wbuf);
296 BIO_set_init(bi, 1);
297 return 1;
a53955d8
UM		 298}
299
300static int ebcdic_free(BIO *a)
301{
5fd1478d
MC		 302 EBCDIC_OUTBUFF *wbuf;
303
0f113f3e 304 if (a == NULL)
5fd1478d
MC		 305 return 0;
306 wbuf = BIO_get_data(a);
307 OPENSSL_free(wbuf);
308 BIO_set_data(a, NULL);
309 BIO_set_init(a, 0);
310
311 return 1;
a53955d8 312}
0f113f3e 313
a53955d8
UM		 314static int ebcdic_read(BIO *b, char *out, int outl)
315{
0f113f3e 316 int ret = 0;
5fd1478d 317 BIO *next = BIO_next(b);
a53955d8 318
0f113f3e 319 if (out == NULL || outl == 0)
26a7d938 320 return 0;
5fd1478d 321 if (next == NULL)
26a7d938 322 return 0;
a53955d8 323
5fd1478d 324 ret = BIO_read(next, out, outl);
0f113f3e
MC		 325 if (ret > 0)
326 ascii2ebcdic(out, out, ret);
5fd1478d 327 return ret;
a53955d8
UM		 328}
329
0fd05a2f 330static int ebcdic_write(BIO *b, const char *in, int inl)
a53955d8 331{
0f113f3e 332 EBCDIC_OUTBUFF *wbuf;
5fd1478d 333 BIO *next = BIO_next(b);
0f113f3e
MC		 334 int ret = 0;
335 int num;
a53955d8 336
0f113f3e 337 if ((in == NULL) || (inl <= 0))
26a7d938 338 return 0;
5fd1478d
MC		 339 if (next == NULL)
340 return 0;
a53955d8 341
5fd1478d 342 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
a53955d8 343
0f113f3e
MC		 344 if (inl > (num = wbuf->alloced)) {
345 num = num + num; /* double the size */
346 if (num < inl)
347 num = inl;
5fd1478d 348 OPENSSL_free(wbuf);
b4faea50 349 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
a53955d8 350
0f113f3e
MC		 351 wbuf->alloced = num;
352 wbuf->buff[0] = '\0';
a53955d8 353
5fd1478d 354 BIO_set_data(b, wbuf);
0f113f3e 355 }
a53955d8 356
0f113f3e 357 ebcdic2ascii(wbuf->buff, in, inl);
a53955d8 358
5fd1478d 359 ret = BIO_write(next, wbuf->buff, inl);
a53955d8 360
26a7d938 361 return ret;
a53955d8
UM		 362}
363
0fd05a2f 364static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
a53955d8 365{
0f113f3e 366 long ret;
5fd1478d 367 BIO *next = BIO_next(b);
0f113f3e 368
5fd1478d 369 if (next == NULL)
26a7d938 370 return 0;
0f113f3e
MC		 371 switch (cmd) {
372 case BIO_CTRL_DUP:
373 ret = 0L;
374 break;
375 default:
5fd1478d 376 ret = BIO_ctrl(next, cmd, num, ptr);
0f113f3e
MC		 377 break;
378 }
26a7d938 379 return ret;
a53955d8
UM		 380}
381
382static int ebcdic_gets(BIO *bp, char *buf, int size)
383{
0f113f3e 384 int i, ret = 0;
5fd1478d
MC		 385 BIO *next = BIO_next(bp);
386
387 if (next == NULL)
388 return 0;
0f113f3e
MC		 389/* return(BIO_gets(bp->next_bio,buf,size));*/
390 for (i = 0; i < size - 1; ++i) {
391 ret = ebcdic_read(bp, &buf[i], 1);
392 if (ret <= 0)
393 break;
394 else if (buf[i] == '\n') {
395 ++i;
396 break;
397 }
398 }
399 if (i < size)
400 buf[i] = '\0';
401 return (ret < 0 && i == 0) ? ret : i;
a53955d8
UM		 402}
403
0fd05a2f 404static int ebcdic_puts(BIO *bp, const char *str)
a53955d8 405{
5fd1478d
MC		 406 if (BIO_next(bp) == NULL)
407 return 0;
0f113f3e 408 return ebcdic_write(bp, str, strlen(str));
a53955d8
UM		 409}
410#endif
411
ed3883d2
BM		 412/* This is a context that we pass to callbacks */
413typedef struct tlsextctx_st {
0f113f3e
MC		 414 char *servername;
415 BIO *biodebug;
416 int extension_error;
ed3883d2
BM		 417} tlsextctx;
418
6d23cf97 419static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 420{
421 tlsextctx *p = (tlsextctx *) arg;
422 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
0d68367a
RS		 423
424 if (servername != NULL && p->biodebug != NULL) {
425 const char *cp = servername;
426 unsigned char uc;
427
428 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
429 while ((uc = *cp++) != 0)
430 BIO_printf(p->biodebug,
17860288 431 (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
0d68367a
RS		 432 BIO_printf(p->biodebug, "\"\n");
433 }
0f113f3e 434
2234212c 435 if (p->servername == NULL)
0f113f3e
MC		 436 return SSL_TLSEXT_ERR_NOACK;
437
2234212c 438 if (servername != NULL) {
fba140c7 439 if (OPENSSL_strcasecmp(servername, p->servername))
0f113f3e 440 return p->extension_error;
2234212c 441 if (ctx2 != NULL) {
0f113f3e
MC		 442 BIO_printf(p->biodebug, "Switching server context.\n");
443 SSL_set_SSL_CTX(s, ctx2);
444 }
445 }
446 return SSL_TLSEXT_ERR_OK;
ed3883d2 447}
67c8e7f4
DSH		 448
449/* Structure passed to cert status callback */
67c8e7f4 450typedef struct tlsextstatusctx_st {
f5ca0b04 451 int timeout;
acf65ae5
MC		 452 /* File to load OCSP Response from (or NULL if no file) */
453 char *respin;
0f113f3e
MC		 454 /* Default responder to use */
455 char *host, *path, *port;
80a4ac57 456 char *proxy, *no_proxy;
0f113f3e 457 int use_ssl;
0f113f3e 458 int verbose;
67c8e7f4
DSH		 459} tlsextstatusctx;
460
f5ca0b04 461static tlsextstatusctx tlscstatp = { -1 };
67c8e7f4 462
3e41ac35 463#ifndef OPENSSL_NO_OCSP
acf65ae5 464
0f113f3e 465/*
acf65ae5
MC		 466 * Helper function to get an OCSP_RESPONSE from a responder. This is a
467 * simplified version. It examines certificates each time and makes one OCSP
468 * responder query for each request. A full version would store details such as
469 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
470 * them until they were considered "expired".
67c8e7f4 471 */
acf65ae5
MC		 472static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
473 OCSP_RESPONSE **resp)
0f113f3e 474{
4c9b0a03 475 char *host = NULL, *port = NULL, *path = NULL;
80a4ac57 476 char *proxy = NULL, *no_proxy = NULL;
0f113f3e 477 int use_ssl;
0f113f3e
MC		 478 STACK_OF(OPENSSL_STRING) *aia = NULL;
479 X509 *x = NULL;
f0e0fd51
RS		 480 X509_STORE_CTX *inctx = NULL;
481 X509_OBJECT *obj;
0f113f3e 482 OCSP_REQUEST *req = NULL;
0f113f3e
MC		 483 OCSP_CERTID *id = NULL;
484 STACK_OF(X509_EXTENSION) *exts;
485 int ret = SSL_TLSEXT_ERR_NOACK;
486 int i;
7e1b7485 487
0f113f3e
MC		 488 /* Build up OCSP query from server certificate */
489 x = SSL_get_certificate(s);
490 aia = X509_get1_ocsp(x);
2234212c 491 if (aia != NULL) {
7932982b
DDO		 492 if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0), &use_ssl,
493 NULL, &host, &port, NULL, &path, NULL, NULL)) {
7e1b7485 494 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
0f113f3e
MC		 495 goto err;
496 }
497 if (srctx->verbose)
7e1b7485 498 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
0f113f3e
MC		 499 sk_OPENSSL_STRING_value(aia, 0));
500 } else {
2234212c 501 if (srctx->host == NULL) {
7e1b7485 502 BIO_puts(bio_err,
0f113f3e
MC		 503 "cert_status: no AIA and no default responder URL\n");
504 goto done;
505 }
506 host = srctx->host;
507 path = srctx->path;
508 port = srctx->port;
509 use_ssl = srctx->use_ssl;
510 }
80a4ac57
DDO		 511 proxy = srctx->proxy;
512 no_proxy = srctx->no_proxy;
0f113f3e 513
f0e0fd51
RS		 514 inctx = X509_STORE_CTX_new();
515 if (inctx == NULL)
516 goto err;
517 if (!X509_STORE_CTX_init(inctx,
0f113f3e
MC		 518 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
519 NULL, NULL))
520 goto err;
6ddbb4cd
RS		 521 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
522 X509_get_issuer_name(x));
f0e0fd51 523 if (obj == NULL) {
7e1b7485 524 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
0f113f3e
MC		 525 goto done;
526 }
f0e0fd51
RS		 527 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
528 X509_OBJECT_free(obj);
2234212c 529 if (id == NULL)
0f113f3e 530 goto err;
0461b7ea
MC		 531 req = OCSP_REQUEST_new();
532 if (req == NULL)
533 goto err;
0f113f3e
MC		 534 if (!OCSP_request_add0_id(req, id))
535 goto err;
536 id = NULL;
537 /* Add any extensions to the request */
538 SSL_get_tlsext_status_exts(s, &exts);
539 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
540 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
541 if (!OCSP_REQUEST_add_ext(req, ext, -1))
542 goto err;
543 }
88d96983
DDO		 544 *resp = process_responder(req, host, port, path, proxy, no_proxy,
545 use_ssl, NULL /* headers */, srctx->timeout);
acf65ae5 546 if (*resp == NULL) {
7e1b7485 547 BIO_puts(bio_err, "cert_status: error querying responder\n");
0f113f3e
MC		 548 goto done;
549 }
acf65ae5 550
0f113f3e 551 ret = SSL_TLSEXT_ERR_OK;
f0e0fd51
RS		 552 goto done;
553
554 err:
555 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
0f113f3e 556 done:
6530c490
MC		 557 /*
558 * If we parsed aia we need to free; otherwise they were copied and we
559 * don't
560 */
f5ca0b04 561 if (aia != NULL) {
0f113f3e
MC		 562 OPENSSL_free(host);
563 OPENSSL_free(path);
564 OPENSSL_free(port);
565 X509_email_free(aia);
566 }
25aaa98a
RS		 567 OCSP_CERTID_free(id);
568 OCSP_REQUEST_free(req);
f0e0fd51 569 X509_STORE_CTX_free(inctx);
0f113f3e 570 return ret;
0f113f3e 571}
acf65ae5
MC		 572
573/*
574 * Certificate Status callback. This is called when a client includes a
575 * certificate status request extension. The response is either obtained from a
576 * file, or from an OCSP responder.
577 */
578static int cert_status_cb(SSL *s, void *arg)
579{
580 tlsextstatusctx *srctx = arg;
581 OCSP_RESPONSE *resp = NULL;
582 unsigned char *rspder = NULL;
583 int rspderlen;
584 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
585
586 if (srctx->verbose)
587 BIO_puts(bio_err, "cert_status: callback called\n");
588
589 if (srctx->respin != NULL) {
590 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
591 if (derbio == NULL) {
592 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
593 goto err;
594 }
595 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
596 BIO_free(derbio);
f5ca0b04 597 if (resp == NULL) {
acf65ae5
MC		 598 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
599 goto err;
600 }
601 } else {
602 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
603 if (ret != SSL_TLSEXT_ERR_OK)
604 goto err;
605 }
606
607 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
608 if (rspderlen <= 0)
609 goto err;
610
611 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
612 if (srctx->verbose) {
613 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
614 OCSP_RESPONSE_print(bio_err, resp, 2);
615 }
616
617 ret = SSL_TLSEXT_ERR_OK;
618
619 err:
620 if (ret != SSL_TLSEXT_ERR_OK)
621 ERR_print_errors(bio_err);
622
623 OCSP_RESPONSE_free(resp);
624
625 return ret;
626}
3e41ac35 627#endif
ee2ffc27 628
e481f9b9 629#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 630/* This is the context that we pass to next_proto_cb */
631typedef struct tlsextnextprotoctx_st {
0f113f3e 632 unsigned char *data;
f2ff1432 633 size_t len;
ee2ffc27
BL		 634} tlsextnextprotoctx;
635
0f113f3e
MC		 636static int next_proto_cb(SSL *s, const unsigned char **data,
637 unsigned int *len, void *arg)
638{
639 tlsextnextprotoctx *next_proto = arg;
ee2ffc27 640
0f113f3e
MC		 641 *data = next_proto->data;
642 *len = next_proto->len;
ee2ffc27 643
0f113f3e
MC		 644 return SSL_TLSEXT_ERR_OK;
645}
e481f9b9 646#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
6f017a8f
AL		 647
648/* This the context that we pass to alpn_cb */
649typedef struct tlsextalpnctx_st {
0f113f3e 650 unsigned char *data;
817cd0d5 651 size_t len;
6f017a8f
AL		 652} tlsextalpnctx;
653
0f113f3e
MC		 654static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
655 const unsigned char *in, unsigned int inlen, void *arg)
656{
657 tlsextalpnctx *alpn_ctx = arg;
658
659 if (!s_quiet) {
660 /* We can assume that |in| is syntactically valid. */
817cd0d5 661 unsigned int i;
0f113f3e
MC		 662 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
663 for (i = 0; i < inlen;) {
664 if (i)
665 BIO_write(bio_s_out, ", ", 2);
666 BIO_write(bio_s_out, &in[i + 1], in[i]);
667 i += in[i] + 1;
668 }
669 BIO_write(bio_s_out, "\n", 1);
670 }
671
672 if (SSL_select_next_proto
673 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
674 inlen) != OPENSSL_NPN_NEGOTIATED) {
9e885a70 675 return SSL_TLSEXT_ERR_ALERT_FATAL;
0f113f3e
MC		 676 }
677
678 if (!s_quiet) {
679 BIO_printf(bio_s_out, "ALPN protocols selected: ");
680 BIO_write(bio_s_out, *out, *outlen);
681 BIO_write(bio_s_out, "\n", 1);
682 }
683
684 return SSL_TLSEXT_ERR_OK;
685}
ed3883d2 686
7c2d4fee 687static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
0f113f3e
MC		 688{
689 /* disable resumption for sessions with forward secure ciphers */
690 return is_forward_secure;
691}
7c2d4fee 692
7e1b7485 693typedef enum OPTION_choice {
b0f96018
DDO		 694 OPT_COMMON,
695 OPT_ENGINE,
ab69ac00 696 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
a7c04f2b 697 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
7e1b7485
RS		 698 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
699 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
700 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
2b6bcb70 701 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
7e1b7485 702 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
2b6bcb70 703 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
fd3397fc
RL		 704 OPT_VERIFYCAFILE,
705 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
706 OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
2b6bcb70 707 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
80a4ac57
DDO		 708 OPT_STATUS_TIMEOUT, OPT_PROXY, OPT_NO_PROXY, OPT_STATUS_URL,
709 OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
acf65ae5
MC		 710 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
711 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
df894947
MC		 712 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
713 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
714 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
28e5ea88 715 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
582a17d6 716 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
c2f9648d 717 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
3ee1eac2 718 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
cd81ac7b 719 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE,
7e1b7485 720 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
bafe9cf5 721 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
09d62b33 722 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
e2ef7f12 723 OPT_HTTP_SERVER_BINMODE, OPT_NOCANAMES, OPT_IGNORE_UNEXPECTED_EOF, OPT_KTLS,
cd715b7e 724 OPT_USE_ZC_SENDFILE,
b67cb09f 725 OPT_TFO, OPT_CERT_COMP,
3c95ef22
TS		 726 OPT_ENABLE_SERVER_RPK,
727 OPT_ENABLE_CLIENT_RPK,
3ee1eac2 728 OPT_R_ENUM,
7e1b7485
RS		 729 OPT_S_ENUM,
730 OPT_V_ENUM,
6bd4e3f2
P		 731 OPT_X_ENUM,
732 OPT_PROV_ENUM
7e1b7485
RS		 733} OPTION_CHOICE;
734
44c83ebd 735const OPTIONS s_server_options[] = {
5388f986 736 OPT_SECTION("General"),
7e1b7485 737 {"help", OPT_HELP, '-', "Display this summary"},
5388f986 738 {"ssl_config", OPT_SSL_CONFIG, 's',
359efeac 739 "Configure SSL_CTX using the given configuration value"},
5388f986
RS		 740#ifndef OPENSSL_NO_SSL_TRACE
741 {"trace", OPT_TRACE, '-', "trace protocol messages"},
742#endif
743#ifndef OPENSSL_NO_ENGINE
744 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
745#endif
746
747 OPT_SECTION("Network"),
32eabe34
MR		 748 {"port", OPT_PORT, 'p',
749 "TCP/IP port to listen on for connections (default is " PORT ")"},
ab69ac00 750 {"accept", OPT_ACCEPT, 's',
a22f9c84 751 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
ab69ac00 752#ifdef AF_UNIX
7e1b7485 753 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
5388f986 754 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
ab69ac00
RL		 755#endif
756 {"4", OPT_4, '-', "Use IPv4 only"},
757 {"6", OPT_6, '-', "Use IPv6 only"},
a3e53d56
TS		 758#if defined(TCP_FASTOPEN) && !defined(OPENSSL_NO_TFO)
759 {"tfo", OPT_TFO, '-', "Listen for TCP Fast Open connections"},
760#endif
5388f986
RS		 761
762 OPT_SECTION("Identity"),
7e1b7485 763 {"context", OPT_CONTEXT, 's', "Set session ID context"},
5388f986
RS		 764 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
765 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
766 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
767 {"no-CAfile", OPT_NOCAFILE, '-',
768 "Do not load the default certificates file"},
769 {"no-CApath", OPT_NOCAPATH, '-',
770 "Do not load certificates from the default certificates directory"},
771 {"no-CAstore", OPT_NOCASTORE, '-',
772 "Do not load certificates from the default certificates store URI"},
773 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
7e1b7485
RS		 774 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
775 {"Verify", OPT_UPPER_V_VERIFY, 'n',
776 "Turn on peer certificate verification, must have a cert"},
2b264aee 777 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
2a33470b 778 {"cert", OPT_CERT, '<', "Server certificate file to use; default " TEST_CERT},
5388f986 779 {"cert2", OPT_CERT2, '<',
2a33470b 780 "Certificate file to use for servername; default " TEST_CERT2},
2b264aee 781 {"certform", OPT_CERTFORM, 'F',
6d382c74 782 "Server certificate file format (PEM/DER/P12); has no effect"},
2b264aee
DDO		 783 {"cert_chain", OPT_CERT_CHAIN, '<',
784 "Server certificate chain file in PEM format"},
785 {"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"},
7e1b7485
RS		 786 {"serverinfo", OPT_SERVERINFO, 's',
787 "PEM serverinfo file for certificate"},
75c445e4 788 {"key", OPT_KEY, 's',
2b264aee
DDO		 789 "Private key file to use; default is -cert file or else" TEST_CERT},
790 {"key2", OPT_KEY2, '<',
791 "-Private Key file to use for servername if not in -cert2"},
6d382c74 792 {"keyform", OPT_KEYFORM, 'f', "Key format (ENGINE, other values ignored)"},
2a33470b 793 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
7e1b7485 794 {"dcert", OPT_DCERT, '<',
2b264aee 795 "Second server certificate file to use (usually for DSA)"},
7e1b7485 796 {"dcertform", OPT_DCERTFORM, 'F',
6d382c74 797 "Second server certificate file format (PEM/DER/P12); has no effect"},
2b264aee
DDO		 798 {"dcert_chain", OPT_DCERT_CHAIN, '<',
799 "second server certificate chain file in PEM format"},
7e1b7485
RS		 800 {"dkey", OPT_DKEY, '<',
801 "Second private key file to use (usually for DSA)"},
802 {"dkeyform", OPT_DKEYFORM, 'F',
6d382c74 803 "Second key file format (ENGINE, other values ignored)"},
9c73e48a
DO		 804 {"dpass", OPT_DPASS, 's',
805 "Second private key and cert file pass phrase source"},
2b264aee 806 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
5388f986
RS		 807 {"servername", OPT_SERVERNAME, 's',
808 "Servername for HostName TLS extension"},
809 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
359efeac 810 "On servername mismatch send fatal alert (default warning alert)"},
7e1b7485
RS		 811 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
812 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
7e1b7485 813 {"quiet", OPT_QUIET, '-', "No server output"},
7e1b7485
RS		 814 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
815 "Disable caching and tickets if ephemeral (EC)DH is used"},
816 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
817 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
09b90e0e
DB		 818 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
819 "Do not treat lack of close_notify from a peer as an error"},
7e1b7485
RS		 820 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
821 "Hex dump of all TLS extensions received"},
ceab33e2 822 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
9c3bcfa0
RS		 823 {"id_prefix", OPT_ID_PREFIX, 's',
824 "Generate SSL/TLS session IDs prefixed by arg"},
7e1b7485
RS		 825 {"keymatexport", OPT_KEYMATEXPORT, 's',
826 "Export keying material using label"},
827 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
2a33470b 828 "Export len bytes of keying material; default 20"},
32eabe34 829 {"CRL", OPT_CRL, '<', "CRL file to use"},
2b264aee 830 {"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"},
32eabe34 831 {"crl_download", OPT_CRL_DOWNLOAD, '-',
2b264aee
DDO		 832 "Download CRLs from distribution points in certificate CDP entries"},
833 {"chainCAfile", OPT_CHAINCAFILE, '<',
834 "CA file for certificate chain (PEM format)"},
32eabe34
MR		 835 {"chainCApath", OPT_CHAINCAPATH, '/',
836 "use dir as certificate store path to build CA certificate chain"},
fd3397fc
RL		 837 {"chainCAstore", OPT_CHAINCASTORE, ':',
838 "use URI as certificate store to build CA certificate chain"},
2b264aee
DDO		 839 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
840 "CA file for certificate verification (PEM format)"},
32eabe34
MR		 841 {"verifyCApath", OPT_VERIFYCAPATH, '/',
842 "use dir as certificate store path to verify CA certificate"},
fd3397fc
RL		 843 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
844 "use URI as certificate store to verify CA certificate"},
32eabe34
MR		 845 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
846 {"ext_cache", OPT_EXT_CACHE, '-',
359efeac 847 "Disable internal cache, set up and use external cache"},
32eabe34
MR		 848 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
849 "Close connection on verification error"},
850 {"verify_quiet", OPT_VERIFY_QUIET, '-',
851 "No verify output except verify errors"},
359efeac
DDO		 852 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input EOF (default when -quiet)"},
853 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input EOF"},
b67cb09f
TS		 854#ifndef OPENSSL_NO_COMP_ALG
855 {"cert_comp", OPT_CERT_COMP, '-', "Pre-compress server certificates"},
856#endif
5388f986 857
3e41ac35 858#ifndef OPENSSL_NO_OCSP
5388f986 859 OPT_SECTION("OCSP"),
32eabe34
MR		 860 {"status", OPT_STATUS, '-', "Request certificate status from server"},
861 {"status_verbose", OPT_STATUS_VERBOSE, '-',
862 "Print more output in certificate status callback"},
863 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
864 "Status request responder timeout"},
865 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
80a4ac57
DDO		 866 {"proxy", OPT_PROXY, 's',
867 "[http[s]://]host[:port][/path] of HTTP(S) proxy to use; path is ignored"},
868 {"no_proxy", OPT_NO_PROXY, 's',
869 "List of addresses of servers not to use HTTP(S) proxy for"},
870 {OPT_MORE_STR, 0, 0,
871 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
acf65ae5
MC		 872 {"status_file", OPT_STATUS_FILE, '<',
873 "File containing DER encoded OCSP Response"},
3e41ac35 874#endif
5388f986
RS		 875
876 OPT_SECTION("Debug"),
32eabe34
MR		 877 {"security_debug", OPT_SECURITY_DEBUG, '-',
878 "Print output from SSL/TLS security framework"},
879 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
880 "Print more output from SSL/TLS security framework"},
d6073e27 881 {"brief", OPT_BRIEF, '-',
32eabe34
MR		 882 "Restrict output to brief summary of connection parameters"},
883 {"rev", OPT_REV, '-',
04fb4ec8 884 "act as an echo server that sends back received text reversed"},
5388f986
RS		 885 {"debug", OPT_DEBUG, '-', "Print more output"},
886 {"msg", OPT_MSG, '-', "Show protocol messages"},
887 {"msgfile", OPT_MSGFILE, '>',
888 "File to send output of -msg or -trace, instead of stdout"},
889 {"state", OPT_STATE, '-', "Print the SSL states"},
7e25dd6d 890 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
36b2cfb1 891 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
032c6d21 892 "Maximum number of encrypt/decrypt pipelines to be used"},
5388f986
RS		 893 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
894 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
895
896 OPT_SECTION("Network"),
897 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
898 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
359efeac 899 {"mtu", OPT_MTU, 'p', "Set link-layer MTU"},
36b2cfb1 900 {"read_buf", OPT_READ_BUF, 'p',
dad78fb1 901 "Default read buffer size to be used for connections"},
5388f986
RS		 902 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
903 "Size used to split data for encrypt pipelines"},
904 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
905
906 OPT_SECTION("Server identity"),
720b6cbe 907 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
14e35350 908#ifndef OPENSSL_NO_PSK
9c3bcfa0 909 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
9c3bcfa0 910#endif
14e35350 911 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
df894947 912 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
9c3bcfa0 913#ifndef OPENSSL_NO_SRP
6d2a1eff 914 {"srpvfile", OPT_SRPVFILE, '<', "(deprecated) The verifier file for SRP"},
9c3bcfa0 915 {"srpuserseed", OPT_SRPUSERSEED, 's',
6d2a1eff 916 "(deprecated) A seed string for a default user salt"},
9c3bcfa0 917#endif
5388f986
RS		 918
919 OPT_SECTION("Protocol and version"),
920 {"max_early_data", OPT_MAX_EARLY, 'n',
921 "The maximum number of bytes of early data as advertised in tickets"},
922 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
923 "The maximum number of bytes of early data (hard limit)"},
924 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
925 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
926 "The number of TLSv1.3 session tickets that a server will automatically issue" },
927 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
928 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
929 {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"},
90fc2c26
NM		 930 {"no_ca_names", OPT_NOCANAMES, '-',
931 "Disable TLS Extension CA Names"},
5388f986 932 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
9c3bcfa0
RS		 933#ifndef OPENSSL_NO_SSL3
934 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
935#endif
6b01bed2
VD		 936#ifndef OPENSSL_NO_TLS1
937 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
938#endif
939#ifndef OPENSSL_NO_TLS1_1
940 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
941#endif
942#ifndef OPENSSL_NO_TLS1_2
943 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
944#endif
582a17d6
MC		 945#ifndef OPENSSL_NO_TLS1_3
946 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
947#endif
a5ecdc6a 948#ifndef OPENSSL_NO_DTLS
32eabe34 949 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
fd4e98ec
MC		 950 {"listen", OPT_LISTEN, '-',
951 "Listen for a DTLS ClientHello with a cookie and then connect"},
9c3bcfa0 952#endif
6b01bed2
VD		 953#ifndef OPENSSL_NO_DTLS1
954 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
955#endif
956#ifndef OPENSSL_NO_DTLS1_2
957 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
958#endif
72d0bc84
MC		 959#ifndef OPENSSL_NO_SCTP
960 {"sctp", OPT_SCTP, '-', "Use SCTP"},
09d62b33 961 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
72d0bc84 962#endif
5388f986
RS		 963#ifndef OPENSSL_NO_SRTP
964 {"use_srtp", OPT_SRTP_PROFILES, 's',
965 "Offer SRTP key management with a colon-separated profile list"},
966#endif
9c3bcfa0 967 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
9c3bcfa0
RS		 968#ifndef OPENSSL_NO_NEXTPROTONEG
969 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
970 "Set the advertised protocols for the NPN extension (comma-separated list)"},
b07c703f 971#endif
9c3bcfa0
RS		 972 {"alpn", OPT_ALPN, 's',
973 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
cd81ac7b 974#ifndef OPENSSL_NO_KTLS
e2ef7f12 975 {"ktls", OPT_KTLS, '-', "Enable Kernel TLS for sending and receiving"},
cd81ac7b 976 {"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"},
cd715b7e 977 {"zerocopy_sendfile", OPT_USE_ZC_SENDFILE, '-', "Use zerocopy mode of KTLS sendfile"},
cd81ac7b 978#endif
3c95ef22
TS		 979 {"enable_server_rpk", OPT_ENABLE_SERVER_RPK, '-', "Enable raw public keys (RFC7250) from the server"},
980 {"enable_client_rpk", OPT_ENABLE_CLIENT_RPK, '-', "Enable raw public keys (RFC7250) from the client"},
5388f986
RS		 981 OPT_R_OPTIONS,
982 OPT_S_OPTIONS,
983 OPT_V_OPTIONS,
5388f986 984 OPT_X_OPTIONS,
6bd4e3f2 985 OPT_PROV_OPTIONS,
5388f986 986 {NULL}
7e1b7485
RS		 987};
988
4bbd4ba6
MC		 989#define IS_PROT_FLAG(o) \
990 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
582a17d6 991 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
4bbd4ba6 992
7e1b7485 993int s_server_main(int argc, char *argv[])
0f113f3e 994{
bde136c8 995 ENGINE *engine = NULL;
7e1b7485
RS		 996 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
997 SSL_CONF_CTX *cctx = NULL;
32ec4153 998 const SSL_METHOD *meth = TLS_server_method();
7e1b7485
RS		 999 SSL_EXCERT *exc = NULL;
1000 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1001 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1002 STACK_OF(X509_CRL) *crls = NULL;
1003 X509 *s_cert = NULL, *s_dcert = NULL;
0f113f3e 1004 X509_VERIFY_PARAM *vpm = NULL;
fd3397fc
RL		 1005 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
1006 const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL;
3ee1eac2 1007 char *dpassarg = NULL, *dpass = NULL;
fd3397fc
RL		 1008 char *passarg = NULL, *pass = NULL;
1009 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
a7f82a1a 1010 char *crl_file = NULL, *prog;
ab69ac00 1011#ifdef AF_UNIX
0f113f3e
MC		 1012 int unlink_unix_path = 0;
1013#endif
a773b52a 1014 do_server_cb server_cb;
7e1b7485 1015 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
54463e4f 1016 char *dhfile = NULL;
37f3a3b3 1017 int no_dhe = 0;
8caab744 1018 int nocert = 0, ret = 1;
fd3397fc 1019 int noCApath = 0, noCAfile = 0, noCAstore = 0;
d382e796
TM		 1020 int s_cert_format = FORMAT_UNDEF, s_key_format = FORMAT_UNDEF;
1021 int s_dcert_format = FORMAT_UNDEF, s_dkey_format = FORMAT_UNDEF;
ab69ac00 1022 int rev = 0, naccept = -1, sdebug = 0;
72d0bc84 1023 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
d382e796 1024 int state = 0, crl_format = FORMAT_UNDEF, crl_download = 0;
ab69ac00 1025 char *host = NULL;
0c590558 1026 char *port = NULL;
7e1b7485
RS		 1027 unsigned char *context = NULL;
1028 OPTION_CHOICE o;
0f113f3e
MC		 1029 EVP_PKEY *s_key2 = NULL;
1030 X509 *s_cert2 = NULL;
1031 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
287d0b94 1032 const char *ssl_config = NULL;
dad78fb1 1033 int read_buf_len = 0;
e481f9b9 1034#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC		 1035 const char *next_proto_neg_in = NULL;
1036 tlsextnextprotoctx next_proto = { NULL, 0 };
e481f9b9 1037#endif
0f113f3e
MC		 1038 const char *alpn_in = NULL;
1039 tlsextalpnctx alpn_ctx = { NULL, 0 };
ddac1974 1040#ifndef OPENSSL_NO_PSK
0f113f3e 1041 /* by default do not send a PSK identity hint */
f2ff1432 1042 char *psk_identity_hint = NULL;
ddac1974 1043#endif
14e35350 1044 char *p;
edc032b5 1045#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 1046 char *srpuserseed = NULL;
1047 char *srp_verifier_file = NULL;
edc032b5 1048#endif
dad88680 1049#ifndef OPENSSL_NO_SRTP
1fb6b0bf 1050 char *srtp_profiles = NULL;
dad88680 1051#endif
4bbd4ba6 1052 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
54463e4f
F		 1053 int s_server_verify = SSL_VERIFY_NONE;
1054 int s_server_session_id_context = 1; /* anything will do */
1055 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1056 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1057 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
057c676a
RL		 1058#ifndef OPENSSL_NO_OCSP
1059 int s_tlsextstatus = 0;
1060#endif
1061 int no_resume_ephemeral = 0;
28e5ea88 1062 unsigned int max_send_fragment = 0;
54463e4f
F		 1063 unsigned int split_send_fragment = 0, max_pipelines = 0;
1064 const char *s_serverinfo_file = NULL;
4bf73e9f 1065 const char *keylog_file = NULL;
bafe9cf5 1066 int max_early_data = -1, recv_max_early_data = -1;
df894947 1067 char *psksessf = NULL;
90fc2c26 1068 int no_ca_names = 0;
09d62b33
MT		 1069#ifndef OPENSSL_NO_SCTP
1070 int sctp_label_bug = 0;
1071#endif
09b90e0e 1072 int ignore_unexpected_eof = 0;
e2ef7f12
TZ		 1073#ifndef OPENSSL_NO_KTLS
1074 int enable_ktls = 0;
1075#endif
a3e53d56 1076 int tfo = 0;
b67cb09f 1077 int cert_comp = 0;
3c95ef22 1078 int enable_server_rpk = 0;
54463e4f
F		 1079
1080 /* Init of few remaining global variables */
0f113f3e
MC		 1081 local_argc = argc;
1082 local_argv = argv;
d02b48c6 1083
54463e4f
F		 1084 ctx = ctx2 = NULL;
1085 s_nbio = s_nbio_test = 0;
1086 www = 0;
1087 bio_s_out = NULL;
1088 s_debug = 0;
1089 s_msg = 0;
1090 s_quiet = 0;
1091 s_brief = 0;
1092 async = 0;
cd81ac7b 1093 use_sendfile = 0;
cd715b7e 1094 use_zc_sendfile = 0;
54463e4f 1095
0c590558 1096 port = OPENSSL_strdup(PORT);
0f113f3e 1097 cctx = SSL_CONF_CTX_new();
7e1b7485 1098 vpm = X509_VERIFY_PARAM_new();
0c590558 1099 if (port == NULL || cctx == NULL || vpm == NULL)
0f113f3e 1100 goto end;
d6073e27
F		 1101 SSL_CONF_CTX_set_flags(cctx,
1102 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
7e1b7485
RS		 1103
1104 prog = opt_init(argc, argv, s_server_options);
1105 while ((o = opt_next()) != OPT_EOF) {
4bbd4ba6
MC		 1106 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1107 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1108 goto end;
1109 }
1110 if (IS_NO_PROT_FLAG(o))
1111 no_prot_opt++;
1112 if (prot_opt == 1 && no_prot_opt) {
d6073e27
F		 1113 BIO_printf(bio_err,
1114 "Cannot supply both a protocol flag and '-no_<prot>'\n");
4bbd4ba6
MC		 1115 goto end;
1116 }
7e1b7485
RS		 1117 switch (o) {
1118 case OPT_EOF:
1119 case OPT_ERR:
1120 opthelp:
1121 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1122 goto end;
1123 case OPT_HELP:
1124 opt_help(s_server_options);
1125 ret = 0;
1126 goto end;
0f113f3e 1127
ab69ac00
RL		 1128 case OPT_4:
1129#ifdef AF_UNIX
1130 if (socket_family == AF_UNIX) {
1131 OPENSSL_free(host); host = NULL;
1132 OPENSSL_free(port); port = NULL;
1133 }
1134#endif
1135 socket_family = AF_INET;
1136 break;
1137 case OPT_6:
1138 if (1) {
1139#ifdef AF_INET6
1140#ifdef AF_UNIX
1141 if (socket_family == AF_UNIX) {
1142 OPENSSL_free(host); host = NULL;
1143 OPENSSL_free(port); port = NULL;
1144 }
1145#endif
1146 socket_family = AF_INET6;
1147 } else {
1148#endif
1149 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1150 goto end;
1151 }
1152 break;
7e1b7485 1153 case OPT_PORT:
ab69ac00
RL		 1154#ifdef AF_UNIX
1155 if (socket_family == AF_UNIX) {
1156 socket_family = AF_UNSPEC;
1157 }
1158#endif
1159 OPENSSL_free(port); port = NULL;
1160 OPENSSL_free(host); host = NULL;
1161 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1162 BIO_printf(bio_err,
1163 "%s: -port argument malformed or ambiguous\n",
1164 port);
1165 goto end;
1166 }
1167 break;
1168 case OPT_ACCEPT:
1169#ifdef AF_UNIX
1170 if (socket_family == AF_UNIX) {
1171 socket_family = AF_UNSPEC;
1172 }
1173#endif
1174 OPENSSL_free(port); port = NULL;
1175 OPENSSL_free(host); host = NULL;
1176 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1177 BIO_printf(bio_err,
1178 "%s: -accept argument malformed or ambiguous\n",
1179 port);
7e1b7485 1180 goto end;
ab69ac00 1181 }
7e1b7485 1182 break;
ab69ac00 1183#ifdef AF_UNIX
7e1b7485 1184 case OPT_UNIX:
ab69ac00 1185 socket_family = AF_UNIX;
3d484574 1186 OPENSSL_free(host); host = OPENSSL_strdup(opt_arg());
a6a2dd9f
JJ		 1187 if (host == NULL)
1188 goto end;
ab69ac00 1189 OPENSSL_free(port); port = NULL;
7e1b7485
RS		 1190 break;
1191 case OPT_UNLINK:
0f113f3e 1192 unlink_unix_path = 1;
7e1b7485 1193 break;
ab69ac00 1194#endif
7e1b7485
RS		 1195 case OPT_NACCEPT:
1196 naccept = atol(opt_arg());
1197 break;
1198 case OPT_VERIFY:
0f113f3e 1199 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
acc00492 1200 verify_args.depth = atoi(opt_arg());
0f113f3e 1201 if (!s_quiet)
acc00492 1202 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
7e1b7485
RS		 1203 break;
1204 case OPT_UPPER_V_VERIFY:
0f113f3e
MC		 1205 s_server_verify =
1206 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1207 SSL_VERIFY_CLIENT_ONCE;
acc00492 1208 verify_args.depth = atoi(opt_arg());
0f113f3e
MC		 1209 if (!s_quiet)
1210 BIO_printf(bio_err,
1211 "verify depth is %d, must return a certificate\n",
acc00492 1212 verify_args.depth);
7e1b7485
RS		 1213 break;
1214 case OPT_CONTEXT:
1215 context = (unsigned char *)opt_arg();
1216 break;
1217 case OPT_CERT:
1218 s_cert_file = opt_arg();
1219 break;
a7c04f2b
DB		 1220 case OPT_NAMEOPT:
1221 if (!set_nameopt(opt_arg()))
1222 goto end;
1223 break;
7e1b7485
RS		 1224 case OPT_CRL:
1225 crl_file = opt_arg();
1226 break;
1227 case OPT_CRL_DOWNLOAD:
0f113f3e 1228 crl_download = 1;
7e1b7485 1229 break;
7e1b7485
RS		 1230 case OPT_SERVERINFO:
1231 s_serverinfo_file = opt_arg();
1232 break;
7e1b7485 1233 case OPT_CERTFORM:
6d382c74 1234 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_cert_format))
7e1b7485
RS		 1235 goto opthelp;
1236 break;
1237 case OPT_KEY:
1238 s_key_file = opt_arg();
1239 break;
1240 case OPT_KEYFORM:
6d382c74 1241 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
7e1b7485
RS		 1242 goto opthelp;
1243 break;
1244 case OPT_PASS:
1245 passarg = opt_arg();
1246 break;
1247 case OPT_CERT_CHAIN:
1248 s_chain_file = opt_arg();
1249 break;
1250 case OPT_DHPARAM:
1251 dhfile = opt_arg();
1252 break;
1253 case OPT_DCERTFORM:
6d382c74 1254 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dcert_format))
7e1b7485
RS		 1255 goto opthelp;
1256 break;
1257 case OPT_DCERT:
1258 s_dcert_file = opt_arg();
1259 break;
1260 case OPT_DKEYFORM:
6d382c74 1261 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dkey_format))
7e1b7485
RS		 1262 goto opthelp;
1263 break;
1264 case OPT_DPASS:
1265 dpassarg = opt_arg();
1266 break;
1267 case OPT_DKEY:
1268 s_dkey_file = opt_arg();
1269 break;
1270 case OPT_DCERT_CHAIN:
1271 s_dchain_file = opt_arg();
1272 break;
1273 case OPT_NOCERT:
0f113f3e 1274 nocert = 1;
7e1b7485
RS		 1275 break;
1276 case OPT_CAPATH:
1277 CApath = opt_arg();
1278 break;
2b6bcb70
MC		 1279 case OPT_NOCAPATH:
1280 noCApath = 1;
1281 break;
7e1b7485
RS		 1282 case OPT_CHAINCAPATH:
1283 chCApath = opt_arg();
1284 break;
1285 case OPT_VERIFYCAPATH:
1286 vfyCApath = opt_arg();
1287 break;
fd3397fc
RL		 1288 case OPT_CASTORE:
1289 CAstore = opt_arg();
1290 break;
1291 case OPT_NOCASTORE:
1292 noCAstore = 1;
1293 break;
1294 case OPT_CHAINCASTORE:
1295 chCAstore = opt_arg();
1296 break;
1297 case OPT_VERIFYCASTORE:
1298 vfyCAstore = opt_arg();
1299 break;
7e1b7485 1300 case OPT_NO_CACHE:
0f113f3e 1301 no_cache = 1;
7e1b7485
RS		 1302 break;
1303 case OPT_EXT_CACHE:
0f113f3e 1304 ext_cache = 1;
7e1b7485
RS		 1305 break;
1306 case OPT_CRLFORM:
1307 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1308 goto opthelp;
1309 break;
1310 case OPT_S_CASES:
394159da 1311 case OPT_S_NUM_TICKETS:
3bb5e5b0
MC		 1312 case OPT_ANTI_REPLAY:
1313 case OPT_NO_ANTI_REPLAY:
7e1b7485
RS		 1314 if (ssl_args == NULL)
1315 ssl_args = sk_OPENSSL_STRING_new_null();
1316 if (ssl_args == NULL
1317 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1318 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1319 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1320 goto end;
1321 }
1322 break;
1323 case OPT_V_CASES:
1324 if (!opt_verify(o, vpm))
1325 goto end;
1326 vpmtouched++;
1327 break;
1328 case OPT_X_CASES:
1329 if (!args_excert(o, &exc))
1330 goto end;
1331 break;
1332 case OPT_VERIFY_RET_ERROR:
acc00492 1333 verify_args.return_error = 1;
7e1b7485
RS		 1334 break;
1335 case OPT_VERIFY_QUIET:
acc00492 1336 verify_args.quiet = 1;
7e1b7485
RS		 1337 break;
1338 case OPT_BUILD_CHAIN:
0f113f3e 1339 build_chain = 1;
7e1b7485
RS		 1340 break;
1341 case OPT_CAFILE:
1342 CAfile = opt_arg();
1343 break;
2b6bcb70
MC		 1344 case OPT_NOCAFILE:
1345 noCAfile = 1;
1346 break;
7e1b7485
RS		 1347 case OPT_CHAINCAFILE:
1348 chCAfile = opt_arg();
1349 break;
1350 case OPT_VERIFYCAFILE:
1351 vfyCAfile = opt_arg();
1352 break;
1353 case OPT_NBIO:
0f113f3e 1354 s_nbio = 1;
7e1b7485
RS		 1355 break;
1356 case OPT_NBIO_TEST:
1357 s_nbio = s_nbio_test = 1;
1358 break;
1359 case OPT_IGN_EOF:
0f113f3e 1360 s_ign_eof = 1;
7e1b7485
RS		 1361 break;
1362 case OPT_NO_IGN_EOF:
0f113f3e 1363 s_ign_eof = 0;
7e1b7485
RS		 1364 break;
1365 case OPT_DEBUG:
0f113f3e 1366 s_debug = 1;
7e1b7485 1367 break;
7e1b7485 1368 case OPT_TLSEXTDEBUG:
0f113f3e 1369 s_tlsextdebug = 1;
7e1b7485
RS		 1370 break;
1371 case OPT_STATUS:
057c676a 1372#ifndef OPENSSL_NO_OCSP
0f113f3e 1373 s_tlsextstatus = 1;
057c676a 1374#endif
7e1b7485
RS		 1375 break;
1376 case OPT_STATUS_VERBOSE:
057c676a 1377#ifndef OPENSSL_NO_OCSP
7e1b7485 1378 s_tlsextstatus = tlscstatp.verbose = 1;
057c676a 1379#endif
7e1b7485
RS		 1380 break;
1381 case OPT_STATUS_TIMEOUT:
057c676a 1382#ifndef OPENSSL_NO_OCSP
0f113f3e 1383 s_tlsextstatus = 1;
7e1b7485 1384 tlscstatp.timeout = atoi(opt_arg());
80a4ac57
DDO		 1385#endif
1386 break;
1387 case OPT_PROXY:
1388#ifndef OPENSSL_NO_OCSP
1389 tlscstatp.proxy = opt_arg();
1390#endif
1391 break;
1392 case OPT_NO_PROXY:
1393#ifndef OPENSSL_NO_OCSP
1394 tlscstatp.no_proxy = opt_arg();
057c676a 1395#endif
7e1b7485
RS		 1396 break;
1397 case OPT_STATUS_URL:
3e41ac35 1398#ifndef OPENSSL_NO_OCSP
0f113f3e 1399 s_tlsextstatus = 1;
7932982b 1400 if (!OSSL_HTTP_parse_url(opt_arg(), &tlscstatp.use_ssl, NULL,
d7fcee3b 1401 &tlscstatp.host, &tlscstatp.port, NULL,
7932982b
DDO		 1402 &tlscstatp.path, NULL, NULL)) {
1403 BIO_printf(bio_err, "Error parsing -status_url argument\n");
7e1b7485 1404 goto end;
0f113f3e 1405 }
acf65ae5
MC		 1406#endif
1407 break;
1408 case OPT_STATUS_FILE:
1409#ifndef OPENSSL_NO_OCSP
1410 s_tlsextstatus = 1;
1411 tlscstatp.respin = opt_arg();
3e41ac35 1412#endif
7e1b7485 1413 break;
7e1b7485 1414 case OPT_MSG:
0f113f3e 1415 s_msg = 1;
7e1b7485
RS		 1416 break;
1417 case OPT_MSGFILE:
1418 bio_s_msg = BIO_new_file(opt_arg(), "w");
625b0990 1419 if (bio_s_msg == NULL) {
1420 BIO_printf(bio_err, "Error writing file %s\n", opt_arg());
1421 goto end;
1422 }
7e1b7485 1423 break;
7e1b7485 1424 case OPT_TRACE:
9c3bcfa0 1425#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e 1426 s_msg = 2;
0f113f3e 1427#endif
1c03c81f 1428 break;
7e1b7485 1429 case OPT_SECURITY_DEBUG:
0f113f3e 1430 sdebug = 1;
7e1b7485
RS		 1431 break;
1432 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1433 sdebug = 2;
7e1b7485
RS		 1434 break;
1435 case OPT_STATE:
0f113f3e 1436 state = 1;
7e1b7485
RS		 1437 break;
1438 case OPT_CRLF:
0f113f3e 1439 s_crlf = 1;
7e1b7485
RS		 1440 break;
1441 case OPT_QUIET:
0f113f3e 1442 s_quiet = 1;
7e1b7485
RS		 1443 break;
1444 case OPT_BRIEF:
acc00492 1445 s_quiet = s_brief = verify_args.quiet = 1;
7e1b7485 1446 break;
7e1b7485 1447 case OPT_NO_DHE:
0f113f3e 1448 no_dhe = 1;
7e1b7485 1449 break;
7e1b7485 1450 case OPT_NO_RESUME_EPHEMERAL:
0f113f3e 1451 no_resume_ephemeral = 1;
7e1b7485 1452 break;
720b6cbe 1453 case OPT_PSK_IDENTITY:
720b6cbe 1454 psk_identity = opt_arg();
720b6cbe 1455 break;
7e1b7485 1456 case OPT_PSK_HINT:
6b01bed2 1457#ifndef OPENSSL_NO_PSK
7e1b7485 1458 psk_identity_hint = opt_arg();
6b01bed2 1459#endif
7e1b7485
RS		 1460 break;
1461 case OPT_PSK:
1462 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1463 if (isxdigit(_UC(*p)))
0f113f3e 1464 continue;
e5712012 1465 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
7e1b7485 1466 goto end;
0f113f3e 1467 }
6b01bed2 1468 break;
df894947
MC		 1469 case OPT_PSK_SESS:
1470 psksessf = opt_arg();
1471 break;
7e1b7485 1472 case OPT_SRPVFILE:
6b01bed2 1473#ifndef OPENSSL_NO_SRP
7e1b7485 1474 srp_verifier_file = opt_arg();
0d5301af
KR		 1475 if (min_version < TLS1_VERSION)
1476 min_version = TLS1_VERSION;
6b01bed2 1477#endif
7e1b7485
RS		 1478 break;
1479 case OPT_SRPUSERSEED:
6b01bed2 1480#ifndef OPENSSL_NO_SRP
7e1b7485 1481 srpuserseed = opt_arg();
0d5301af
KR		 1482 if (min_version < TLS1_VERSION)
1483 min_version = TLS1_VERSION;
0f113f3e 1484#endif
6b01bed2 1485 break;
7e1b7485 1486 case OPT_REV:
0f113f3e 1487 rev = 1;
7e1b7485
RS		 1488 break;
1489 case OPT_WWW:
0f113f3e 1490 www = 1;
7e1b7485
RS		 1491 break;
1492 case OPT_UPPER_WWW:
0f113f3e 1493 www = 2;
7e1b7485
RS		 1494 break;
1495 case OPT_HTTP:
0f113f3e 1496 www = 3;
7e1b7485 1497 break;
287d0b94
DSH		 1498 case OPT_SSL_CONFIG:
1499 ssl_config = opt_arg();
1500 break;
7e1b7485 1501 case OPT_SSL3:
0d5301af
KR		 1502 min_version = SSL3_VERSION;
1503 max_version = SSL3_VERSION;
9c3bcfa0 1504 break;
582a17d6
MC		 1505 case OPT_TLS1_3:
1506 min_version = TLS1_3_VERSION;
1507 max_version = TLS1_3_VERSION;
1508 break;
7e1b7485 1509 case OPT_TLS1_2:
0d5301af
KR		 1510 min_version = TLS1_2_VERSION;
1511 max_version = TLS1_2_VERSION;
7e1b7485
RS		 1512 break;
1513 case OPT_TLS1_1:
0d5301af
KR		 1514 min_version = TLS1_1_VERSION;
1515 max_version = TLS1_1_VERSION;
7e1b7485
RS		 1516 break;
1517 case OPT_TLS1:
0d5301af
KR		 1518 min_version = TLS1_VERSION;
1519 max_version = TLS1_VERSION;
7e1b7485 1520 break;
7e1b7485 1521 case OPT_DTLS:
6b01bed2 1522#ifndef OPENSSL_NO_DTLS
4407d070 1523 meth = DTLS_server_method();
0f113f3e 1524 socket_type = SOCK_DGRAM;
6b01bed2 1525#endif
7e1b7485
RS		 1526 break;
1527 case OPT_DTLS1:
0d5301af
KR		 1528#ifndef OPENSSL_NO_DTLS
1529 meth = DTLS_server_method();
1530 min_version = DTLS1_VERSION;
1531 max_version = DTLS1_VERSION;
0f113f3e 1532 socket_type = SOCK_DGRAM;
6b01bed2 1533#endif
7e1b7485
RS		 1534 break;
1535 case OPT_DTLS1_2:
0d5301af
KR		 1536#ifndef OPENSSL_NO_DTLS
1537 meth = DTLS_server_method();
1538 min_version = DTLS1_2_VERSION;
1539 max_version = DTLS1_2_VERSION;
0f113f3e 1540 socket_type = SOCK_DGRAM;
72d0bc84
MC		 1541#endif
1542 break;
1543 case OPT_SCTP:
1544#ifndef OPENSSL_NO_SCTP
1545 protocol = IPPROTO_SCTP;
09d62b33
MT		 1546#endif
1547 break;
1548 case OPT_SCTP_LABEL_BUG:
1549#ifndef OPENSSL_NO_SCTP
1550 sctp_label_bug = 1;
6b01bed2 1551#endif
7e1b7485
RS		 1552 break;
1553 case OPT_TIMEOUT:
6b01bed2 1554#ifndef OPENSSL_NO_DTLS
0f113f3e 1555 enable_timeouts = 1;
6b01bed2 1556#endif
7e1b7485
RS		 1557 break;
1558 case OPT_MTU:
6b01bed2 1559#ifndef OPENSSL_NO_DTLS
7e1b7485 1560 socket_mtu = atol(opt_arg());
6b01bed2 1561#endif
7e1b7485 1562 break;
fd4e98ec 1563 case OPT_LISTEN:
6b01bed2 1564#ifndef OPENSSL_NO_DTLS
fd4e98ec 1565 dtlslisten = 1;
0f113f3e 1566#endif
6b01bed2 1567 break;
c2f9648d
MC		 1568 case OPT_STATELESS:
1569 stateless = 1;
1570 break;
7e1b7485
RS		 1571 case OPT_ID_PREFIX:
1572 session_id_prefix = opt_arg();
1573 break;
1574 case OPT_ENGINE:
538404d2
DO		 1575#ifndef OPENSSL_NO_ENGINE
1576 engine = setup_engine(opt_arg(), s_debug);
1577#endif
7e1b7485 1578 break;
3ee1eac2
RS		 1579 case OPT_R_CASES:
1580 if (!opt_rand(o))
1581 goto end;
7e1b7485 1582 break;
6bd4e3f2
P		 1583 case OPT_PROV_CASES:
1584 if (!opt_provider(o))
1585 goto end;
1586 break;
7e1b7485
RS		 1587 case OPT_SERVERNAME:
1588 tlsextcbp.servername = opt_arg();
1589 break;
1590 case OPT_SERVERNAME_FATAL:
0f113f3e 1591 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
7e1b7485
RS		 1592 break;
1593 case OPT_CERT2:
1594 s_cert_file2 = opt_arg();
1595 break;
1596 case OPT_KEY2:
1597 s_key_file2 = opt_arg();
1598 break;
7e1b7485 1599 case OPT_NEXTPROTONEG:
9c3bcfa0 1600# ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485 1601 next_proto_neg_in = opt_arg();
e481f9b9 1602#endif
9c3bcfa0 1603 break;
7e1b7485
RS		 1604 case OPT_ALPN:
1605 alpn_in = opt_arg();
1606 break;
7e1b7485 1607 case OPT_SRTP_PROFILES:
dad88680 1608#ifndef OPENSSL_NO_SRTP
7e1b7485 1609 srtp_profiles = opt_arg();
dad88680 1610#endif
d6316025 1611 break;
7e1b7485
RS		 1612 case OPT_KEYMATEXPORT:
1613 keymatexportlabel = opt_arg();
1614 break;
1615 case OPT_KEYMATEXPORTLEN:
1616 keymatexportlen = atoi(opt_arg());
0f113f3e 1617 break;
7e25dd6d
MC		 1618 case OPT_ASYNC:
1619 async = 1;
1620 break;
28e5ea88
F		 1621 case OPT_MAX_SEND_FRAG:
1622 max_send_fragment = atoi(opt_arg());
28e5ea88 1623 break;
032c6d21
MC		 1624 case OPT_SPLIT_SEND_FRAG:
1625 split_send_fragment = atoi(opt_arg());
032c6d21
MC		 1626 break;
1627 case OPT_MAX_PIPELINES:
1628 max_pipelines = atoi(opt_arg());
1629 break;
dad78fb1
MC		 1630 case OPT_READ_BUF:
1631 read_buf_len = atoi(opt_arg());
1632 break;
4bf73e9f
PW		 1633 case OPT_KEYLOG_FILE:
1634 keylog_file = opt_arg();
1635 break;
048b1893
MC		 1636 case OPT_MAX_EARLY:
1637 max_early_data = atoi(opt_arg());
6746648c
MC		 1638 if (max_early_data < 0) {
1639 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1640 goto end;
1641 }
048b1893 1642 break;
bafe9cf5
MC		 1643 case OPT_RECV_MAX_EARLY:
1644 recv_max_early_data = atoi(opt_arg());
1645 if (recv_max_early_data < 0) {
1646 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1647 goto end;
1648 }
1649 break;
e0655186
MC		 1650 case OPT_EARLY_DATA:
1651 early_data = 1;
c39e4048
BK		 1652 if (max_early_data == -1)
1653 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
e0655186 1654 break;
c3be39f2
LZ		 1655 case OPT_HTTP_SERVER_BINMODE:
1656 http_server_binmode = 1;
1657 break;
90fc2c26
NM		 1658 case OPT_NOCANAMES:
1659 no_ca_names = 1;
1660 break;
e2ef7f12
TZ		 1661 case OPT_KTLS:
1662#ifndef OPENSSL_NO_KTLS
1663 enable_ktls = 1;
1664#endif
1665 break;
cd81ac7b
TZ		 1666 case OPT_SENDFILE:
1667#ifndef OPENSSL_NO_KTLS
1668 use_sendfile = 1;
cd715b7e
MM		 1669#endif
1670 break;
1671 case OPT_USE_ZC_SENDFILE:
1672#ifndef OPENSSL_NO_KTLS
1673 use_zc_sendfile = 1;
cd81ac7b
TZ		 1674#endif
1675 break;
09b90e0e
DB		 1676 case OPT_IGNORE_UNEXPECTED_EOF:
1677 ignore_unexpected_eof = 1;
1678 break;
a3e53d56
TS		 1679 case OPT_TFO:
1680 tfo = 1;
1681 break;
b67cb09f
TS		 1682 case OPT_CERT_COMP:
1683 cert_comp = 1;
1684 break;
3c95ef22
TS		 1685 case OPT_ENABLE_SERVER_RPK:
1686 enable_server_rpk = 1;
1687 break;
1688 case OPT_ENABLE_CLIENT_RPK:
1689 enable_client_rpk = 1;
1690 break;
0f113f3e 1691 }
0f113f3e 1692 }
021410ea
RS		 1693
1694 /* No extra arguments. */
d9f07357 1695 if (!opt_check_rest_arg(NULL))
021410ea 1696 goto opthelp;
7e1b7485 1697
3ad60309
DDO		 1698 if (!app_RAND_load())
1699 goto end;
1700
837f87c2
PY		 1701#ifndef OPENSSL_NO_NEXTPROTONEG
1702 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1703 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1704 goto opthelp;
1705 }
1706#endif
a5ecdc6a 1707#ifndef OPENSSL_NO_DTLS
0f113f3e
MC		 1708 if (www && socket_type == SOCK_DGRAM) {
1709 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1710 goto end;
1711 }
fd4e98ec
MC		 1712
1713 if (dtlslisten && socket_type != SOCK_DGRAM) {
1714 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1715 goto end;
1716 }
0f113f3e
MC		 1717#endif
1718
a3e53d56
TS		 1719 if (tfo && socket_type != SOCK_STREAM) {
1720 BIO_printf(bio_err, "Can only use -tfo with TLS\n");
1721 goto end;
1722 }
1723
c2f9648d
MC		 1724 if (stateless && socket_type != SOCK_STREAM) {
1725 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1726 goto end;
1727 }
1728
ab69ac00
RL		 1729#ifdef AF_UNIX
1730 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC		 1731 BIO_printf(bio_err,
1732 "Can't use unix sockets and datagrams together\n");
1733 goto end;
1734 }
ab69ac00 1735#endif
6ef40f1f
MC		 1736 if (early_data && (www > 0 || rev)) {
1737 BIO_printf(bio_err,
1738 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1739 goto end;
1740 }
2900fc8a 1741
72d0bc84
MC		 1742#ifndef OPENSSL_NO_SCTP
1743 if (protocol == IPPROTO_SCTP) {
1744 if (socket_type != SOCK_DGRAM) {
1745 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1746 goto end;
1747 }
1748 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1749 socket_type = SOCK_STREAM;
1750 }
1751#endif
032c6d21 1752
cd81ac7b 1753#ifndef OPENSSL_NO_KTLS
cd715b7e
MM		 1754 if (use_zc_sendfile && !use_sendfile) {
1755 BIO_printf(bio_out, "Warning: -zerocopy_sendfile depends on -sendfile, enabling -sendfile now.\n");
1756 use_sendfile = 1;
1757 }
1758
e2ef7f12
TZ		 1759 if (use_sendfile && enable_ktls == 0) {
1760 BIO_printf(bio_out, "Warning: -sendfile depends on -ktls, enabling -ktls now.\n");
1761 enable_ktls = 1;
1762 }
1763
cd81ac7b
TZ		 1764 if (use_sendfile && www <= 1) {
1765 BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n");
1766 goto end;
1767 }
1768#endif
1769
7e1b7485 1770 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
0f113f3e
MC		 1771 BIO_printf(bio_err, "Error getting password\n");
1772 goto end;
1773 }
826a42a0 1774
0f113f3e
MC		 1775 if (s_key_file == NULL)
1776 s_key_file = s_cert_file;
e481f9b9 1777
0f113f3e
MC		 1778 if (s_key_file2 == NULL)
1779 s_key_file2 = s_cert_file2;
ed3883d2 1780
7e1b7485 1781 if (!load_excert(&exc))
0f113f3e
MC		 1782 goto end;
1783
1784 if (nocert == 0) {
bde136c8 1785 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
50eb2a50 1786 "server certificate private key");
01c12100 1787 if (s_key == NULL)
0f113f3e 1788 goto end;
826a42a0 1789
d382e796
TM		 1790 s_cert = load_cert_pass(s_cert_file, s_cert_format, 1, pass,
1791 "server certificate");
0f113f3e 1792
01c12100 1793 if (s_cert == NULL)
0f113f3e 1794 goto end;
2234212c 1795 if (s_chain_file != NULL) {
ea51096e 1796 if (!load_certs(s_chain_file, 0, &s_chain, NULL,
0996dc54 1797 "server certificate chain"))
0f113f3e
MC		 1798 goto end;
1799 }
e481f9b9 1800
2234212c 1801 if (tlsextcbp.servername != NULL) {
bde136c8 1802 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
50eb2a50 1803 "second server certificate private key");
01c12100 1804 if (s_key2 == NULL)
0f113f3e 1805 goto end;
0f113f3e 1806
d382e796 1807 s_cert2 = load_cert_pass(s_cert_file2, s_cert_format, 1, pass,
50eb2a50 1808 "second server certificate");
0f113f3e 1809
01c12100 1810 if (s_cert2 == NULL)
0f113f3e 1811 goto end;
0f113f3e 1812 }
0f113f3e 1813 }
e481f9b9 1814#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e 1815 if (next_proto_neg_in) {
f2ff1432 1816 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
0f113f3e
MC		 1817 if (next_proto.data == NULL)
1818 goto end;
0f113f3e 1819 }
e481f9b9 1820#endif
0f113f3e
MC		 1821 alpn_ctx.data = NULL;
1822 if (alpn_in) {
f2ff1432 1823 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
0f113f3e
MC		 1824 if (alpn_ctx.data == NULL)
1825 goto end;
0f113f3e 1826 }
0f113f3e 1827
2234212c 1828 if (crl_file != NULL) {
0f113f3e 1829 X509_CRL *crl;
d382e796 1830 crl = load_crl(crl_file, crl_format, 0, "CRL");
9d5aca65 1831 if (crl == NULL)
0f113f3e 1832 goto end;
0f113f3e 1833 crls = sk_X509_CRL_new_null();
2234212c 1834 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1835 BIO_puts(bio_err, "Error adding CRL\n");
1836 ERR_print_errors(bio_err);
1837 X509_CRL_free(crl);
1838 goto end;
1839 }
1840 }
1841
2234212c 1842 if (s_dcert_file != NULL) {
d02b48c6 1843
0f113f3e
MC		 1844 if (s_dkey_file == NULL)
1845 s_dkey_file = s_dcert_file;
1846
7e1b7485 1847 s_dkey = load_key(s_dkey_file, s_dkey_format,
50eb2a50 1848 0, dpass, engine, "second certificate private key");
01c12100 1849 if (s_dkey == NULL)
0f113f3e 1850 goto end;
0f113f3e 1851
d382e796 1852 s_dcert = load_cert_pass(s_dcert_file, s_dcert_format, 1, dpass,
22dddfb9 1853 "second server certificate");
0f113f3e 1854
2234212c 1855 if (s_dcert == NULL) {
0f113f3e
MC		 1856 ERR_print_errors(bio_err);
1857 goto end;
1858 }
2234212c 1859 if (s_dchain_file != NULL) {
ea51096e 1860 if (!load_certs(s_dchain_file, 0, &s_dchain, NULL,
0996dc54 1861 "second server certificate chain"))
0f113f3e
MC		 1862 goto end;
1863 }
1864
1865 }
1866
0f113f3e
MC		 1867 if (bio_s_out == NULL) {
1868 if (s_quiet && !s_debug) {
1869 bio_s_out = BIO_new(BIO_s_null());
fa17f5c9 1870 if (s_msg && bio_s_msg == NULL) {
a60994df 1871 bio_s_msg = dup_bio_out(FORMAT_TEXT);
fa17f5c9 1872 if (bio_s_msg == NULL) {
1873 BIO_printf(bio_err, "Out of memory\n");
1874 goto end;
1875 }
1876 }
0f113f3e 1877 } else {
ba0b60c6 1878 bio_s_out = dup_bio_out(FORMAT_TEXT);
0f113f3e
MC		 1879 }
1880 }
ba0b60c6
JJ		 1881
1882 if (bio_s_out == NULL)
1883 goto end;
1884
c2403f36 1885 if (nocert) {
0f113f3e
MC		 1886 s_cert_file = NULL;
1887 s_key_file = NULL;
1888 s_dcert_file = NULL;
1889 s_dkey_file = NULL;
0f113f3e
MC		 1890 s_cert_file2 = NULL;
1891 s_key_file2 = NULL;
0f113f3e
MC		 1892 }
1893
574ca403 1894 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
0f113f3e
MC		 1895 if (ctx == NULL) {
1896 ERR_print_errors(bio_err);
1897 goto end;
1898 }
693cf80c
KR		 1899
1900 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1901
32eabe34
MR		 1902 if (sdebug)
1903 ssl_ctx_security_debug(ctx, sdebug);
8f8be103
RL		 1904
1905 if (!config_ctx(cctx, ssl_args, ctx))
1906 goto end;
1907
287d0b94
DSH		 1908 if (ssl_config) {
1909 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1910 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1911 ssl_config);
d6073e27
F		 1912 ERR_print_errors(bio_err);
1913 goto end;
287d0b94
DSH		 1914 }
1915 }
09d62b33
MT		 1916#ifndef OPENSSL_NO_SCTP
1917 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1918 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1919#endif
1920
8f8be103
RL		 1921 if (min_version != 0
1922 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
0d5301af 1923 goto end;
8f8be103
RL		 1924 if (max_version != 0
1925 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
0d5301af 1926 goto end;
287d0b94 1927
0f113f3e
MC		 1928 if (session_id_prefix) {
1929 if (strlen(session_id_prefix) >= 32)
1930 BIO_printf(bio_err,
1931 "warning: id_prefix is too long, only one new session will be possible\n");
1932 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1933 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1934 ERR_print_errors(bio_err);
1935 goto end;
1936 }
1937 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1938 }
2234212c 1939 if (exc != NULL)
0f113f3e 1940 ssl_ctx_set_excert(ctx, exc);
0f113f3e
MC		 1941
1942 if (state)
1943 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1944 if (no_cache)
1945 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1946 else if (ext_cache)
1947 init_session_cache_ctx(ctx);
1948 else
1949 SSL_CTX_sess_set_cache_size(ctx, 128);
58964a49 1950
252d6d3a 1951 if (async) {
7e25dd6d 1952 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
252d6d3a 1953 }
28e5ea88 1954
90fc2c26
NM		 1955 if (no_ca_names) {
1956 SSL_CTX_set_options(ctx, SSL_OP_DISABLE_TLSEXT_CA_NAMES);
1957 }
1958
09b90e0e
DB		 1959 if (ignore_unexpected_eof)
1960 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
e2ef7f12
TZ		 1961#ifndef OPENSSL_NO_KTLS
1962 if (enable_ktls)
1963 SSL_CTX_set_options(ctx, SSL_OP_ENABLE_KTLS);
cd715b7e
MM		 1964 if (use_zc_sendfile)
1965 SSL_CTX_set_options(ctx, SSL_OP_ENABLE_KTLS_TX_ZEROCOPY_SENDFILE);
e2ef7f12 1966#endif
09b90e0e 1967
36b2cfb1
F		 1968 if (max_send_fragment > 0
1969 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1970 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1971 prog, max_send_fragment);
1972 goto end;
1973 }
28e5ea88 1974
36b2cfb1
F		 1975 if (split_send_fragment > 0
1976 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1977 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1978 prog, split_send_fragment);
1979 goto end;
032c6d21 1980 }
36b2cfb1
F		 1981 if (max_pipelines > 0
1982 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1983 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1984 prog, max_pipelines);
1985 goto end;
032c6d21 1986 }
7e25dd6d 1987
dad78fb1
MC		 1988 if (read_buf_len > 0) {
1989 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1990 }
e783bae2 1991#ifndef OPENSSL_NO_SRTP
ac59d705 1992 if (srtp_profiles != NULL) {
7e1b7485
RS		 1993 /* Returns 0 on success! */
1994 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1995 BIO_printf(bio_err, "Error setting SRTP profile\n");
1996 ERR_print_errors(bio_err);
1997 goto end;
1998 }
1999 }
e783bae2 2000#endif
333f926d 2001
fd3397fc
RL		 2002 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
2003 CAstore, noCAstore)) {
0f113f3e 2004 ERR_print_errors(bio_err);
7e1b7485 2005 goto end;
0f113f3e 2006 }
7e1b7485
RS		 2007 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
2008 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC		 2009 ERR_print_errors(bio_err);
2010 goto end;
2011 }
0f113f3e
MC		 2012
2013 ssl_ctx_add_crls(ctx, crls, 0);
0f113f3e 2014
fd3397fc
RL		 2015 if (!ssl_load_stores(ctx,
2016 vfyCApath, vfyCAfile, vfyCAstore,
2017 chCApath, chCAfile, chCAstore,
0f113f3e
MC		 2018 crls, crl_download)) {
2019 BIO_printf(bio_err, "Error loading store locations\n");
2020 ERR_print_errors(bio_err);
2021 goto end;
2022 }
e481f9b9 2023
0f113f3e 2024 if (s_cert2) {
574ca403 2025 ctx2 = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
0f113f3e
MC		 2026 if (ctx2 == NULL) {
2027 ERR_print_errors(bio_err);
2028 goto end;
2029 }
2030 }
2031
2234212c 2032 if (ctx2 != NULL) {
0f113f3e
MC		 2033 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
2034
2035 if (sdebug)
402b00d5 2036 ssl_ctx_security_debug(ctx2, sdebug);
0f113f3e
MC		 2037
2038 if (session_id_prefix) {
2039 if (strlen(session_id_prefix) >= 32)
2040 BIO_printf(bio_err,
2041 "warning: id_prefix is too long, only one new session will be possible\n");
2042 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
2043 BIO_printf(bio_err, "error setting 'id_prefix'\n");
2044 ERR_print_errors(bio_err);
2045 goto end;
2046 }
2047 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
2048 }
2234212c 2049 if (exc != NULL)
0f113f3e 2050 ssl_ctx_set_excert(ctx2, exc);
0f113f3e
MC		 2051
2052 if (state)
2053 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
2054
2055 if (no_cache)
2056 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
2057 else if (ext_cache)
2058 init_session_cache_ctx(ctx2);
2059 else
2060 SSL_CTX_sess_set_cache_size(ctx2, 128);
2061
7e25dd6d 2062 if (async)
f4da39d2 2063 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
7e25dd6d 2064
fd3397fc
RL		 2065 if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath,
2066 noCApath, CAstore, noCAstore)) {
0f113f3e 2067 ERR_print_errors(bio_err);
f65a8c1e 2068 goto end;
0f113f3e 2069 }
7e1b7485
RS		 2070 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
2071 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC		 2072 ERR_print_errors(bio_err);
2073 goto end;
2074 }
ee2ffc27 2075
0f113f3e 2076 ssl_ctx_add_crls(ctx2, crls, 0);
dba31777 2077 if (!config_ctx(cctx, ssl_args, ctx2))
0f113f3e
MC		 2078 goto end;
2079 }
e481f9b9 2080#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC		 2081 if (next_proto.data)
2082 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
2083 &next_proto);
e481f9b9 2084#endif
0f113f3e
MC		 2085 if (alpn_ctx.data)
2086 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
b1277b99 2087
0f113f3e 2088 if (!no_dhe) {
163f6dc1 2089 EVP_PKEY *dhpkey = NULL;
0f113f3e 2090
2234212c 2091 if (dhfile != NULL)
d382e796 2092 dhpkey = load_keyparams(dhfile, FORMAT_UNDEF, 0, "DH", "DH parameters");
2234212c 2093 else if (s_cert_file != NULL)
ef044913
SL		 2094 dhpkey = load_keyparams_suppress(s_cert_file, FORMAT_UNDEF, 0, "DH",
2095 "DH parameters", 1);
0f113f3e 2096
163f6dc1 2097 if (dhpkey != NULL) {
0f113f3e
MC		 2098 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2099 } else {
2100 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
2101 }
2102 (void)BIO_flush(bio_s_out);
2103
163f6dc1 2104 if (dhpkey == NULL) {
0f113f3e 2105 SSL_CTX_set_dh_auto(ctx, 1);
163f6dc1
MC		 2106 } else {
2107 /*
2108 * We need 2 references: one for use by ctx and one for use by
2109 * ctx2
2110 */
2111 if (!EVP_PKEY_up_ref(dhpkey)) {
2112 EVP_PKEY_free(dhpkey);
2113 goto end;
2114 }
2115 if (!SSL_CTX_set0_tmp_dh_pkey(ctx, dhpkey)) {
2116 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2117 ERR_print_errors(bio_err);
2118 /* Free 2 references */
2119 EVP_PKEY_free(dhpkey);
2120 EVP_PKEY_free(dhpkey);
2121 goto end;
2122 }
9912be1b 2123 }
e481f9b9 2124
2234212c 2125 if (ctx2 != NULL) {
163f6dc1 2126 if (dhfile != NULL) {
ef044913
SL		 2127 EVP_PKEY *dhpkey2 = load_keyparams_suppress(s_cert_file2,
2128 FORMAT_UNDEF,
2129 0, "DH",
2130 "DH parameters", 1);
163f6dc1
MC		 2131
2132 if (dhpkey2 != NULL) {
0f113f3e
MC		 2133 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
2134 (void)BIO_flush(bio_s_out);
2135
163f6dc1
MC		 2136 EVP_PKEY_free(dhpkey);
2137 dhpkey = dhpkey2;
0f113f3e
MC		 2138 }
2139 }
163f6dc1 2140 if (dhpkey == NULL) {
0f113f3e 2141 SSL_CTX_set_dh_auto(ctx2, 1);
163f6dc1 2142 } else if (!SSL_CTX_set0_tmp_dh_pkey(ctx2, dhpkey)) {
0f113f3e
MC		 2143 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2144 ERR_print_errors(bio_err);
163f6dc1 2145 EVP_PKEY_free(dhpkey);
0f113f3e
MC		 2146 goto end;
2147 }
163f6dc1 2148 dhpkey = NULL;
0f113f3e 2149 }
163f6dc1 2150 EVP_PKEY_free(dhpkey);
0f113f3e 2151 }
d02b48c6 2152
0f113f3e
MC		 2153 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2154 goto end;
e481f9b9 2155
0f113f3e
MC		 2156 if (s_serverinfo_file != NULL
2157 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2158 ERR_print_errors(bio_err);
2159 goto end;
2160 }
e481f9b9 2161
2234212c
PY		 2162 if (ctx2 != NULL
2163 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
0f113f3e 2164 goto end;
e481f9b9 2165
0f113f3e
MC		 2166 if (s_dcert != NULL) {
2167 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2168 goto end;
2169 }
d02b48c6 2170
0f113f3e
MC		 2171 if (no_resume_ephemeral) {
2172 SSL_CTX_set_not_resumable_session_callback(ctx,
2173 not_resumable_sess_cb);
e481f9b9 2174
2234212c 2175 if (ctx2 != NULL)
0f113f3e
MC		 2176 SSL_CTX_set_not_resumable_session_callback(ctx2,
2177 not_resumable_sess_cb);
0f113f3e 2178 }
ddac1974 2179#ifndef OPENSSL_NO_PSK
b5292f7b 2180 if (psk_key != NULL) {
0f113f3e 2181 if (s_debug)
d6073e27 2182 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
0f113f3e
MC		 2183 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2184 }
ddac1974 2185
9a1c170d
E		 2186 if (psk_identity_hint != NULL) {
2187 if (min_version == TLS1_3_VERSION) {
2188 BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n");
2189 } else {
2190 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2191 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2192 ERR_print_errors(bio_err);
2193 goto end;
2194 }
2195 }
0f113f3e 2196 }
ddac1974 2197#endif
df894947
MC		 2198 if (psksessf != NULL) {
2199 BIO *stmp = BIO_new_file(psksessf, "r");
2200
2201 if (stmp == NULL) {
2202 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2203 ERR_print_errors(bio_err);
2204 goto end;
2205 }
2206 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2207 BIO_free(stmp);
2208 if (psksess == NULL) {
2209 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2210 ERR_print_errors(bio_err);
2211 goto end;
2212 }
5ffff599 2213
df894947 2214 }
ddac1974 2215
5ffff599
MC		 2216 if (psk_key != NULL || psksess != NULL)
2217 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2218
0f113f3e 2219 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
61986d32 2220 if (!SSL_CTX_set_session_id_context(ctx,
d6073e27 2221 (void *)&s_server_session_id_context,
cbe29648 2222 sizeof(s_server_session_id_context))) {
ac59d705
MC		 2223 BIO_printf(bio_err, "error setting session id context\n");
2224 ERR_print_errors(bio_err);
2225 goto end;
2226 }
d02b48c6 2227
0f113f3e
MC		 2228 /* Set DTLS cookie generation and verification callbacks */
2229 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2230 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
07a9d1a2 2231
3fa2812f
BS		 2232 /* Set TLS1.3 cookie generation and verification callbacks */
2233 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2234 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2235
2234212c 2236 if (ctx2 != NULL) {
0f113f3e 2237 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
61986d32 2238 if (!SSL_CTX_set_session_id_context(ctx2,
7e1b7485 2239 (void *)&s_server_session_id_context,
cbe29648 2240 sizeof(s_server_session_id_context))) {
ac59d705
MC		 2241 BIO_printf(bio_err, "error setting session id context\n");
2242 ERR_print_errors(bio_err);
2243 goto end;
2244 }
0f113f3e
MC		 2245 tlsextcbp.biodebug = bio_s_out;
2246 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2247 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2248 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2249 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2250 }
f1fd4544 2251
edc032b5 2252#ifndef OPENSSL_NO_SRP
0f113f3e 2253 if (srp_verifier_file != NULL) {
6d2a1eff
MC		 2254 if (!set_up_srp_verifier_file(ctx, &srp_callback_parm, srpuserseed,
2255 srp_verifier_file))
0f113f3e 2256 goto end;
0f113f3e
MC		 2257 } else
2258#endif
2259 if (CAfile != NULL) {
2260 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
e481f9b9 2261
0f113f3e
MC		 2262 if (ctx2)
2263 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
0f113f3e 2264 }
3e41ac35 2265#ifndef OPENSSL_NO_OCSP
be0c0361
AE		 2266 if (s_tlsextstatus) {
2267 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2268 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2269 if (ctx2) {
2270 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2271 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2272 }
2273 }
3e41ac35 2274#endif
4bf73e9f
PW		 2275 if (set_keylog_file(ctx, keylog_file))
2276 goto end;
0f113f3e 2277
6746648c 2278 if (max_early_data >= 0)
048b1893 2279 SSL_CTX_set_max_early_data(ctx, max_early_data);
bafe9cf5
MC		 2280 if (recv_max_early_data >= 0)
2281 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
048b1893 2282
b67cb09f
TS		 2283 if (cert_comp) {
2284 BIO_printf(bio_s_out, "Compressing certificates\n");
2285 if (!SSL_CTX_compress_certs(ctx, 0))
2286 BIO_printf(bio_s_out, "Error compressing certs on ctx\n");
2287 if (ctx2 != NULL && !SSL_CTX_compress_certs(ctx2, 0))
2288 BIO_printf(bio_s_out, "Error compressing certs on ctx2\n");
2289 }
3c95ef22
TS		 2290 if (enable_server_rpk)
2291 if (!SSL_CTX_set1_server_cert_type(ctx, cert_type_rpk, sizeof(cert_type_rpk))) {
2292 BIO_printf(bio_s_out, "Error setting server certificate types\n");
2293 goto end;
2294 }
2295 if (enable_client_rpk)
2296 if (!SSL_CTX_set1_client_cert_type(ctx, cert_type_rpk, sizeof(cert_type_rpk))) {
2297 BIO_printf(bio_s_out, "Error setting server certificate types\n");
2298 goto end;
2299 }
b67cb09f 2300
0f113f3e
MC		 2301 if (rev)
2302 server_cb = rev_body;
2303 else if (www)
2304 server_cb = www_body;
2305 else
2306 server_cb = sv_body;
ab69ac00
RL		 2307#ifdef AF_UNIX
2308 if (socket_family == AF_UNIX
2309 && unlink_unix_path)
2310 unlink(host);
0f113f3e 2311#endif
a3e53d56
TS		 2312 if (tfo)
2313 BIO_printf(bio_s_out, "Listening for TFO\n");
72d0bc84 2314 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
a3e53d56 2315 server_cb, context, naccept, bio_s_out, tfo);
0f113f3e
MC		 2316 print_stats(bio_s_out, ctx);
2317 ret = 0;
2318 end:
62adbcee 2319 SSL_CTX_free(ctx);
9561e2a1 2320 SSL_SESSION_free(psksess);
4bf73e9f 2321 set_keylog_file(NULL, NULL);
222561fe
RS		 2322 X509_free(s_cert);
2323 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2324 X509_free(s_dcert);
c5ba2d99
RS		 2325 EVP_PKEY_free(s_key);
2326 EVP_PKEY_free(s_dkey);
79b2a2f2
DDO		 2327 OSSL_STACK_OF_X509_free(s_chain);
2328 OSSL_STACK_OF_X509_free(s_dchain);
25aaa98a
RS		 2329 OPENSSL_free(pass);
2330 OPENSSL_free(dpass);
ab69ac00
RL		 2331 OPENSSL_free(host);
2332 OPENSSL_free(port);
222561fe 2333 X509_VERIFY_PARAM_free(vpm);
0f113f3e 2334 free_sessions();
25aaa98a
RS		 2335 OPENSSL_free(tlscstatp.host);
2336 OPENSSL_free(tlscstatp.port);
2337 OPENSSL_free(tlscstatp.path);
62adbcee 2338 SSL_CTX_free(ctx2);
222561fe 2339 X509_free(s_cert2);
c5ba2d99 2340 EVP_PKEY_free(s_key2);
e481f9b9 2341#ifndef OPENSSL_NO_NEXTPROTONEG
25aaa98a 2342 OPENSSL_free(next_proto.data);
0f113f3e 2343#endif
e481f9b9 2344 OPENSSL_free(alpn_ctx.data);
0f113f3e 2345 ssl_excert_free(exc);
7e1b7485 2346 sk_OPENSSL_STRING_free(ssl_args);
62adbcee 2347 SSL_CONF_CTX_free(cctx);
dd1abd44 2348 release_engine(engine);
ca3a82c3
RS		 2349 BIO_free(bio_s_out);
2350 bio_s_out = NULL;
2351 BIO_free(bio_s_msg);
2352 bio_s_msg = NULL;
5fd1478d
MC		 2353#ifdef CHARSET_EBCDIC
2354 BIO_meth_free(methods_ebcdic);
2355#endif
26a7d938 2356 return ret;
0f113f3e 2357}
d02b48c6 2358
6b691a5c 2359static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
0f113f3e
MC		 2360{
2361 BIO_printf(bio, "%4ld items in the session cache\n",
2362 SSL_CTX_sess_number(ssl_ctx));
2363 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2364 SSL_CTX_sess_connect(ssl_ctx));
2365 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2366 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2367 BIO_printf(bio, "%4ld client connects that finished\n",
2368 SSL_CTX_sess_connect_good(ssl_ctx));
2369 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2370 SSL_CTX_sess_accept(ssl_ctx));
2371 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2372 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2373 BIO_printf(bio, "%4ld server accepts that finished\n",
2374 SSL_CTX_sess_accept_good(ssl_ctx));
2375 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2376 BIO_printf(bio, "%4ld session cache misses\n",
2377 SSL_CTX_sess_misses(ssl_ctx));
2378 BIO_printf(bio, "%4ld session cache timeouts\n",
2379 SSL_CTX_sess_timeouts(ssl_ctx));
2380 BIO_printf(bio, "%4ld callback cache hits\n",
2381 SSL_CTX_sess_cb_hits(ssl_ctx));
2382 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2383 SSL_CTX_sess_cache_full(ssl_ctx),
2384 SSL_CTX_sess_get_cache_size(ssl_ctx));
2385}
d02b48c6 2386
a6d52f17
DF		 2387static long int count_reads_callback(BIO *bio, int cmd, const char *argp, size_t len,
2388 int argi, long argl, int ret, size_t *processed)
2389{
2390 unsigned int *p_counter = (unsigned int *)BIO_get_callback_arg(bio);
2391
2392 switch (cmd) {
2393 case BIO_CB_READ: /* No break here */
2394 case BIO_CB_GETS:
2395 if (p_counter != NULL)
2396 ++*p_counter;
2397 break;
2398 default:
2399 break;
2400 }
2401
2402 if (s_debug) {
2403 BIO_set_callback_arg(bio, (char *)bio_s_out);
2404 ret = (int)bio_dump_callback(bio, cmd, argp, len, argi, argl, ret, processed);
2405 BIO_set_callback_arg(bio, (char *)p_counter);
2406 }
2407
2408 return ret;
2409}
2410
72d0bc84 2411static int sv_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 2412{
2413 char *buf = NULL;
2414 fd_set readfds;
2415 int ret = 1, width;
82b81161 2416 int k;
0f113f3e
MC		 2417 unsigned long l;
2418 SSL *con = NULL;
2419 BIO *sbio;
0f113f3e 2420 struct timeval timeout;
ff25dd1a 2421#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
0f113f3e 2422 struct timeval *timeoutp;
06f4536a 2423#endif
72d0bc84 2424#ifndef OPENSSL_NO_DTLS
d88ab353 2425# ifndef OPENSSL_NO_SCTP
72d0bc84 2426 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
d88ab353 2427# else
72d0bc84 2428 int isdtls = (stype == SOCK_DGRAM);
d88ab353 2429# endif
72d0bc84 2430#endif
d02b48c6 2431
68dc6824 2432 buf = app_malloc(bufsize, "server buffer");
0f113f3e 2433 if (s_nbio) {
ba810815 2434 if (!BIO_socket_nbio(s, 1))
0f113f3e 2435 ERR_print_errors(bio_err);
ba810815
RS		 2436 else if (!s_quiet)
2437 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 2438 }
d02b48c6 2439
f84a648c 2440 con = SSL_new(ctx);
0f113f3e 2441 if (con == NULL) {
f84a648c
K		 2442 ret = -1;
2443 goto err;
2444 }
e481f9b9 2445
f84a648c
K		 2446 if (s_tlsextdebug) {
2447 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2448 SSL_set_tlsext_debug_arg(con, bio_s_out);
2449 }
e481f9b9 2450
f84a648c
K		 2451 if (context != NULL
2452 && !SSL_set_session_id_context(con, context,
2453 strlen((char *)context))) {
2454 BIO_printf(bio_err, "Error setting session id context\n");
2455 ret = -1;
2456 goto err;
ac59d705 2457 }
f84a648c 2458
61986d32 2459 if (!SSL_clear(con)) {
ac59d705
MC		 2460 BIO_printf(bio_err, "Error clearing SSL connection\n");
2461 ret = -1;
2462 goto err;
0f113f3e 2463 }
a7a14a23 2464#ifndef OPENSSL_NO_DTLS
72d0bc84 2465 if (isdtls) {
d88ab353 2466# ifndef OPENSSL_NO_SCTP
72d0bc84
MC		 2467 if (prot == IPPROTO_SCTP)
2468 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2469 else
d88ab353 2470# endif
72d0bc84 2471 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
ba0b60c6
JJ		 2472 if (sbio == NULL) {
2473 BIO_printf(bio_err, "Unable to create BIO\n");
2474 ERR_print_errors(bio_err);
2475 goto err;
2476 }
0f113f3e
MC		 2477
2478 if (enable_timeouts) {
2479 timeout.tv_sec = 0;
2480 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2481 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2482
2483 timeout.tv_sec = 0;
2484 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2485 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2486 }
2487
2488 if (socket_mtu) {
2489 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2490 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2491 DTLS_get_link_min_mtu(con));
2492 ret = -1;
2493 BIO_free(sbio);
2494 goto err;
2495 }
2496 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2497 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2498 BIO_printf(bio_err, "Failed to set MTU\n");
2499 ret = -1;
2500 BIO_free(sbio);
2501 goto err;
2502 }
2503 } else
2504 /* want to do MTU discovery */
2505 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
36d16f8e 2506
a5eef31e 2507# ifndef OPENSSL_NO_SCTP
1b3011ab
MC		 2508 if (prot != IPPROTO_SCTP)
2509# endif
72d0bc84
MC		 2510 /* Turn on cookie exchange. Not necessary for SCTP */
2511 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
0f113f3e 2512 } else
a7a14a23 2513#endif
0f113f3e 2514 sbio = BIO_new_socket(s, BIO_NOCLOSE);
36d16f8e 2515
72d0bc84
MC		 2516 if (sbio == NULL) {
2517 BIO_printf(bio_err, "Unable to create BIO\n");
2518 ERR_print_errors(bio_err);
2519 goto err;
2520 }
2521
0f113f3e
MC		 2522 if (s_nbio_test) {
2523 BIO *test;
d02b48c6 2524
0f113f3e 2525 test = BIO_new(BIO_f_nbio_test());
ba0b60c6
JJ		 2526 if (test == NULL) {
2527 BIO_printf(bio_err, "Unable to create BIO\n");
2528 ret = -1;
2529 BIO_free(sbio);
2530 goto err;
2531 }
0f113f3e
MC		 2532 sbio = BIO_push(test, sbio);
2533 }
0f113f3e
MC		 2534
2535 SSL_set_bio(con, sbio, sbio);
2536 SSL_set_accept_state(con);
2537 /* SSL_set_fd(con,s); */
2538
a6d52f17 2539 BIO_set_callback_ex(SSL_get_rbio(con), count_reads_callback);
0f113f3e 2540 if (s_msg) {
93ab9e42 2541#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 2542 if (s_msg == 2)
2543 SSL_set_msg_callback(con, SSL_trace);
2544 else
93ab9e42 2545#endif
0f113f3e
MC		 2546 SSL_set_msg_callback(con, msg_cb);
2547 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2548 }
e481f9b9 2549
0f113f3e
MC		 2550 if (s_tlsextdebug) {
2551 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2552 SSL_set_tlsext_debug_arg(con, bio_s_out);
2553 }
d02b48c6 2554
e0655186 2555 if (early_data) {
f533fbd4 2556 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
e0655186
MC		 2557 size_t readbytes;
2558
f533fbd4 2559 while (edret != SSL_READ_EARLY_DATA_FINISH) {
e0655186 2560 for (;;) {
f533fbd4
MC		 2561 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2562 if (edret != SSL_READ_EARLY_DATA_ERROR)
e0655186
MC		 2563 break;
2564
2565 switch (SSL_get_error(con, 0)) {
2566 case SSL_ERROR_WANT_WRITE:
2567 case SSL_ERROR_WANT_ASYNC:
2568 case SSL_ERROR_WANT_READ:
2569 /* Just keep trying - busy waiting */
2570 continue;
2571 default:
2572 BIO_printf(bio_err, "Error reading early data\n");
2573 ERR_print_errors(bio_err);
2574 goto err;
2575 }
2576 }
2577 if (readbytes > 0) {
2578 if (write_header) {
2579 BIO_printf(bio_s_out, "Early data received:\n");
2580 write_header = 0;
2581 }
2582 raw_write_stdout(buf, (unsigned int)readbytes);
2583 (void)BIO_flush(bio_s_out);
2584 }
2585 }
3b587356
MC		 2586 if (write_header) {
2587 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2588 BIO_printf(bio_s_out, "No early data received\n");
2589 else
2590 BIO_printf(bio_s_out, "Early data was rejected\n");
2591 } else {
e0655186 2592 BIO_printf(bio_s_out, "\nEnd of early data\n");
3b587356 2593 }
ade1e888
MC		 2594 if (SSL_is_init_finished(con))
2595 print_connection_info(con);
e0655186
MC		 2596 }
2597
51e5133d
RL		 2598 if (fileno_stdin() > s)
2599 width = fileno_stdin() + 1;
c7bdb6a3
RL		 2600 else
2601 width = s + 1;
0f113f3e 2602 for (;;) {
82b81161 2603 int i;
0f113f3e
MC		 2604 int read_from_terminal;
2605 int read_from_sslcon;
a2a01589 2606
0f113f3e 2607 read_from_terminal = 0;
fd068d50 2608 read_from_sslcon = SSL_has_pending(con)
64c07bd2 2609 || (async && SSL_waiting_for_async(con));
a2a01589 2610
0f113f3e
MC		 2611 if (!read_from_sslcon) {
2612 FD_ZERO(&readfds);
1fbab1dc 2613#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
51e5133d 2614 openssl_fdset(fileno_stdin(), &readfds);
0f113f3e
MC		 2615#endif
2616 openssl_fdset(s, &readfds);
2617 /*
2618 * Note: under VMS with SOCKETSHR the second parameter is
2619 * currently of type (int *) whereas under other systems it is
2620 * (void *) if you don't have a cast it will choke the compiler:
2621 * if you do have a cast then you can either go for (int *) or
2622 * (void *).
2623 */
1fbab1dc 2624#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2625 /*
2626 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2627 * only on sockets. As a workaround we timeout the select every
2628 * second and check for any keypress. In a proper Windows
2629 * application we wouldn't do this because it is inefficient.
2630 */
ff25dd1a
RL		 2631 timeout.tv_sec = 1;
2632 timeout.tv_usec = 0;
2633 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
75dd6c1a 2634 if (has_stdin_waiting())
0f113f3e 2635 read_from_terminal = 1;
75dd6c1a
MC		 2636 if ((i < 0) || (!i && !read_from_terminal))
2637 continue;
06f4536a 2638#else
6f6da2fe 2639 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
0f113f3e
MC		 2640 timeoutp = &timeout;
2641 else
2642 timeoutp = NULL;
2643
2644 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2645
6f6da2fe 2646 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
0f113f3e 2647 BIO_printf(bio_err, "TIMEOUT occurred\n");
0f113f3e
MC		 2648
2649 if (i <= 0)
2650 continue;
51e5133d 2651 if (FD_ISSET(fileno_stdin(), &readfds))
0f113f3e
MC		 2652 read_from_terminal = 1;
2653#endif
2654 if (FD_ISSET(s, &readfds))
2655 read_from_sslcon = 1;
2656 }
2657 if (read_from_terminal) {
2658 if (s_crlf) {
2659 int j, lf_num;
2660
c7bdb6a3 2661 i = raw_read_stdin(buf, bufsize / 2);
c7bdb6a3 2662 lf_num = 0;
0f113f3e
MC		 2663 /* both loops are skipped when i <= 0 */
2664 for (j = 0; j < i; j++)
2665 if (buf[j] == '\n')
2666 lf_num++;
2667 for (j = i - 1; j >= 0; j--) {
2668 buf[j + lf_num] = buf[j];
2669 if (buf[j] == '\n') {
2670 lf_num--;
2671 i++;
2672 buf[j + lf_num] = '\r';
2673 }
2674 }
2675 assert(lf_num == 0);
2234212c 2676 } else {
c7bdb6a3 2677 i = raw_read_stdin(buf, bufsize);
2234212c 2678 }
51e5133d 2679
0f113f3e
MC		 2680 if (!s_quiet && !s_brief) {
2681 if ((i <= 0) || (buf[0] == 'Q')) {
2682 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2683 (void)BIO_flush(bio_s_out);
8731a4fc 2684 BIO_closesocket(s);
0f113f3e
MC		 2685 close_accept_socket();
2686 ret = -11;
2687 goto err;
2688 }
2689 if ((i <= 0) || (buf[0] == 'q')) {
2690 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2691 (void)BIO_flush(bio_s_out);
0f113f3e 2692 if (SSL_version(con) != DTLS1_VERSION)
8731a4fc 2693 BIO_closesocket(s);
0f113f3e
MC		 2694 /*
2695 * close_accept_socket(); ret= -11;
2696 */
2697 goto err;
2698 }
0f113f3e
MC		 2699 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2700 SSL_renegotiate(con);
2701 i = SSL_do_handshake(con);
2702 printf("SSL_do_handshake -> %d\n", i);
0f113f3e 2703 continue;
0f113f3e
MC		 2704 }
2705 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2706 SSL_set_verify(con,
2707 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2708 NULL);
2709 SSL_renegotiate(con);
2710 i = SSL_do_handshake(con);
2711 printf("SSL_do_handshake -> %d\n", i);
0f113f3e 2712 continue;
0f113f3e 2713 }
34df45b5
MC		 2714 if ((buf[0] == 'K' || buf[0] == 'k')
2715 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2716 SSL_key_update(con, buf[0] == 'K' ?
2717 SSL_KEY_UPDATE_REQUESTED
2718 : SSL_KEY_UPDATE_NOT_REQUESTED);
2719 i = SSL_do_handshake(con);
2720 printf("SSL_do_handshake -> %d\n", i);
34df45b5 2721 continue;
34df45b5 2722 }
9d75dce3
TS		 2723 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2724 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2725 i = SSL_verify_client_post_handshake(con);
2726 if (i == 0) {
2727 printf("Failed to initiate request\n");
2728 ERR_print_errors(bio_err);
2729 } else {
2730 i = SSL_do_handshake(con);
2731 printf("SSL_do_handshake -> %d\n", i);
9d75dce3
TS		 2732 }
2733 continue;
2734 }
0f113f3e 2735 if (buf[0] == 'P') {
4bac25e1 2736 static const char str[] = "Lets print some clear text\n";
2737 BIO_write(SSL_get_wbio(con), str, sizeof(str) -1);
0f113f3e
MC		 2738 }
2739 if (buf[0] == 'S') {
2740 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2741 }
2742 }
a53955d8 2743#ifdef CHARSET_EBCDIC
0f113f3e 2744 ebcdic2ascii(buf, buf, i);
a53955d8 2745#endif
0f113f3e
MC		 2746 l = k = 0;
2747 for (;;) {
2748 /* should do a select for the write */
58964a49 2749#ifdef RENEG
54463e4f
F		 2750 static count = 0;
2751 if (++count == 100) {
2752 count = 0;
2753 SSL_renegotiate(con);
0f113f3e 2754 }
d02b48c6 2755#endif
0f113f3e 2756 k = SSL_write(con, &(buf[l]), (unsigned int)i);
9641be2a 2757#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2758 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2759 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
6d2a1eff
MC		 2760
2761 lookup_srp_user(&srp_callback_parm, bio_s_out);
2762
0f113f3e
MC		 2763 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2764 }
2765#endif
2766 switch (SSL_get_error(con, k)) {
2767 case SSL_ERROR_NONE:
2768 break;
7e25dd6d
MC		 2769 case SSL_ERROR_WANT_ASYNC:
2770 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
384f08dc 2771 (void)BIO_flush(bio_s_out);
f4da39d2 2772 wait_for_async(con);
7e25dd6d 2773 break;
0f113f3e
MC		 2774 case SSL_ERROR_WANT_WRITE:
2775 case SSL_ERROR_WANT_READ:
2776 case SSL_ERROR_WANT_X509_LOOKUP:
2777 BIO_printf(bio_s_out, "Write BLOCK\n");
384f08dc 2778 (void)BIO_flush(bio_s_out);
0f113f3e 2779 break;
fc7f190c
MC		 2780 case SSL_ERROR_WANT_ASYNC_JOB:
2781 /*
2782 * This shouldn't ever happen in s_server. Treat as an error
2783 */
0f113f3e
MC		 2784 case SSL_ERROR_SYSCALL:
2785 case SSL_ERROR_SSL:
2786 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2787 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2788 ERR_print_errors(bio_err);
2789 ret = 1;
2790 goto err;
2791 /* break; */
2792 case SSL_ERROR_ZERO_RETURN:
2793 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2794 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2795 ret = 1;
2796 goto err;
2797 }
00d565cf
RS		 2798 if (k > 0) {
2799 l += k;
2800 i -= k;
2801 }
0f113f3e
MC		 2802 if (i <= 0)
2803 break;
2804 }
2805 }
2806 if (read_from_sslcon) {
64c07bd2
MC		 2807 /*
2808 * init_ssl_connection handles all async events itself so if we're
2809 * waiting for async then we shouldn't go back into
2810 * init_ssl_connection
2811 */
2812 if ((!async || !SSL_waiting_for_async(con))
2813 && !SSL_is_init_finished(con)) {
a6d52f17
DF		 2814 /*
2815 * Count number of reads during init_ssl_connection.
2816 * It helps us to distinguish configuration errors from errors
2817 * caused by a client.
2818 */
2819 unsigned int read_counter = 0;
2820
2821 BIO_set_callback_arg(SSL_get_rbio(con), (char *)&read_counter);
0f113f3e 2822 i = init_ssl_connection(con);
a6d52f17
DF		 2823 BIO_set_callback_arg(SSL_get_rbio(con), NULL);
2824
2825 /*
2826 * If initialization fails without reads, then
2827 * there was a fatal error in configuration.
2828 */
2829 if (i <= 0 && read_counter == 0) {
2830 ret = -1;
2831 goto err;
2832 }
0f113f3e
MC		 2833 if (i < 0) {
2834 ret = 0;
2835 goto err;
2836 } else if (i == 0) {
2837 ret = 1;
2838 goto err;
2839 }
2840 } else {
2841 again:
2842 i = SSL_read(con, (char *)buf, bufsize);
9641be2a 2843#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2844 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2845 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
6d2a1eff
MC		 2846
2847 lookup_srp_user(&srp_callback_parm, bio_s_out);
2848
0f113f3e
MC		 2849 i = SSL_read(con, (char *)buf, bufsize);
2850 }
2851#endif
2852 switch (SSL_get_error(con, i)) {
2853 case SSL_ERROR_NONE:
a53955d8 2854#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2855 ascii2ebcdic(buf, buf, i);
2856#endif
2857 raw_write_stdout(buf, (unsigned int)i);
384f08dc 2858 (void)BIO_flush(bio_s_out);
fd068d50 2859 if (SSL_has_pending(con))
0f113f3e
MC		 2860 goto again;
2861 break;
7e25dd6d 2862 case SSL_ERROR_WANT_ASYNC:
f4da39d2 2863 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
384f08dc 2864 (void)BIO_flush(bio_s_out);
f4da39d2
MC		 2865 wait_for_async(con);
2866 break;
0f113f3e
MC		 2867 case SSL_ERROR_WANT_WRITE:
2868 case SSL_ERROR_WANT_READ:
2869 BIO_printf(bio_s_out, "Read BLOCK\n");
384f08dc 2870 (void)BIO_flush(bio_s_out);
0f113f3e 2871 break;
fc7f190c
MC		 2872 case SSL_ERROR_WANT_ASYNC_JOB:
2873 /*
2874 * This shouldn't ever happen in s_server. Treat as an error
2875 */
0f113f3e
MC		 2876 case SSL_ERROR_SYSCALL:
2877 case SSL_ERROR_SSL:
2878 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2879 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2880 ERR_print_errors(bio_err);
2881 ret = 1;
2882 goto err;
2883 case SSL_ERROR_ZERO_RETURN:
2884 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2885 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2886 ret = 1;
2887 goto err;
2888 }
2889 }
2890 }
2891 }
2892 err:
2893 if (con != NULL) {
2894 BIO_printf(bio_s_out, "shutting down SSL\n");
edbb56ee 2895 do_ssl_shutdown(con);
0f113f3e
MC		 2896 SSL_free(con);
2897 }
2898 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
4b45c6e5 2899 OPENSSL_clear_free(buf, bufsize);
26a7d938 2900 return ret;
0f113f3e 2901}
d02b48c6 2902
6b691a5c 2903static void close_accept_socket(void)
0f113f3e
MC		 2904{
2905 BIO_printf(bio_err, "shutdown accept socket\n");
2906 if (accept_socket >= 0) {
8731a4fc 2907 BIO_closesocket(accept_socket);
0f113f3e
MC		 2908 }
2909}
d02b48c6 2910
068e3d73
MC		 2911static int is_retryable(SSL *con, int i)
2912{
2913 int err = SSL_get_error(con, i);
2914
2915 /* If it's not a fatal error, it must be retryable */
2916 return (err != SSL_ERROR_SSL)
2917 && (err != SSL_ERROR_SYSCALL)
2918 && (err != SSL_ERROR_ZERO_RETURN);
2919}
2920
6b691a5c 2921static int init_ssl_connection(SSL *con)
0f113f3e
MC		 2922{
2923 int i;
df2ee0e2 2924 long verify_err;
384f08dc 2925 int retry = 0;
fd4e98ec 2926
c2f9648d 2927 if (dtlslisten || stateless) {
d858c876
RL		 2928 BIO_ADDR *client = NULL;
2929
c2f9648d
MC		 2930 if (dtlslisten) {
2931 if ((client = BIO_ADDR_new()) == NULL) {
2932 BIO_printf(bio_err, "ERROR - memory\n");
2933 return 0;
2934 }
2935 i = DTLSv1_listen(con, client);
2936 } else {
2937 i = SSL_stateless(con);
d858c876 2938 }
fd4e98ec
MC		 2939 if (i > 0) {
2940 BIO *wbio;
3a796184 2941 int fd = -1;
fd4e98ec 2942
c2f9648d
MC		 2943 if (dtlslisten) {
2944 wbio = SSL_get_wbio(con);
2945 if (wbio) {
2946 BIO_get_fd(wbio, &fd);
2947 }
fd4e98ec 2948
c2f9648d
MC		 2949 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2950 BIO_printf(bio_err, "ERROR - unable to connect\n");
2951 BIO_ADDR_free(client);
2952 return 0;
2953 }
b92678f4
MH		 2954
2955 (void)BIO_ctrl_set_connected(wbio, client);
d858c876 2956 BIO_ADDR_free(client);
c2f9648d
MC		 2957 dtlslisten = 0;
2958 } else {
2959 stateless = 0;
fd4e98ec 2960 }
fd4e98ec 2961 i = SSL_accept(con);
a3768e0c
MC		 2962 } else {
2963 BIO_ADDR_free(client);
fd4e98ec 2964 }
c2f9648d
MC		 2965 } else {
2966 do {
2967 i = SSL_accept(con);
d02b48c6 2968
c2f9648d
MC		 2969 if (i <= 0)
2970 retry = is_retryable(con, i);
3323314f 2971#ifdef CERT_CB_TEST_RETRY
c2f9648d
MC		 2972 {
2973 while (i <= 0
2974 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2975 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2976 BIO_printf(bio_err,
2977 "LOOKUP from certificate callback during accept\n");
2978 i = SSL_accept(con);
2979 if (i <= 0)
2980 retry = is_retryable(con, i);
2981 }
2982 }
2983#endif
2984
2985#ifndef OPENSSL_NO_SRP
d6073e27 2986 while (i <= 0
c2f9648d
MC		 2987 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2988 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2989 srp_callback_parm.login);
6d2a1eff
MC		 2990
2991 lookup_srp_user(&srp_callback_parm, bio_s_out);
2992
7e25dd6d 2993 i = SSL_accept(con);
384f08dc 2994 if (i <= 0)
068e3d73 2995 retry = is_retryable(con, i);
7e25dd6d 2996 }
3323314f 2997#endif
c2f9648d
MC		 2998 } while (i < 0 && SSL_waiting_for_async(con));
2999 }
0f113f3e
MC		 3000
3001 if (i <= 0) {
c2f9648d
MC		 3002 if (((dtlslisten || stateless) && i == 0)
3003 || (!dtlslisten && !stateless && retry)) {
0f113f3e 3004 BIO_printf(bio_s_out, "DELAY\n");
208fb891 3005 return 1;
0f113f3e
MC		 3006 }
3007
3008 BIO_printf(bio_err, "ERROR\n");
7e1b7485 3009
df2ee0e2
BL		 3010 verify_err = SSL_get_verify_result(con);
3011 if (verify_err != X509_V_OK) {
0f113f3e 3012 BIO_printf(bio_err, "verify error:%s\n",
df2ee0e2 3013 X509_verify_cert_error_string(verify_err));
0f113f3e
MC		 3014 }
3015 /* Always print any error messages */
3016 ERR_print_errors(bio_err);
26a7d938 3017 return 0;
0f113f3e
MC		 3018 }
3019
ade1e888
MC		 3020 print_connection_info(con);
3021 return 1;
3022}
3023
3024static void print_connection_info(SSL *con)
3025{
3026 const char *str;
3027 X509 *peer;
3028 char buf[BUFSIZ];
3029#if !defined(OPENSSL_NO_NEXTPROTONEG)
3030 const unsigned char *next_proto_neg;
3031 unsigned next_proto_neg_len;
3032#endif
3033 unsigned char *exportedkeymat;
3034 int i;
3035
0f113f3e 3036 if (s_brief)
ecf3a1fb 3037 print_ssl_summary(con);
0f113f3e
MC		 3038
3039 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
3040
8c2bfd25 3041 peer = SSL_get0_peer_certificate(con);
0f113f3e
MC		 3042 if (peer != NULL) {
3043 BIO_printf(bio_s_out, "Client certificate\n");
3044 PEM_write_bio_X509(bio_s_out, peer);
b5c4209b 3045 dump_cert_text(bio_s_out, peer);
049f3655 3046 peer = NULL;
0f113f3e 3047 }
3c95ef22
TS		 3048 /* Only display RPK information if configured */
3049 if (SSL_get_negotiated_server_cert_type(con) == TLSEXT_cert_type_rpk)
3050 BIO_printf(bio_s_out, "Server-to-client raw public key negotiated\n");
3051 if (SSL_get_negotiated_client_cert_type(con) == TLSEXT_cert_type_rpk)
3052 BIO_printf(bio_s_out, "Client-to-server raw public key negotiated\n");
3053 if (enable_client_rpk) {
3054 EVP_PKEY *client_rpk = SSL_get0_peer_rpk(con);
3055
3056 if (client_rpk != NULL) {
3057 BIO_printf(bio_s_out, "Client raw public key\n");
3058 EVP_PKEY_print_public(bio_s_out, client_rpk, 2, NULL);
3059 }
3060 }
0f113f3e 3061
cbe29648 3062 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
0f113f3e
MC		 3063 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
3064 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
3065 ssl_print_sigalgs(bio_s_out, con);
14536c8c 3066#ifndef OPENSSL_NO_EC
0f113f3e 3067 ssl_print_point_formats(bio_s_out, con);
de4d764e 3068 ssl_print_groups(bio_s_out, con, 0);
14536c8c 3069#endif
5969a2dd 3070 print_ca_names(bio_s_out, con);
0f113f3e 3071 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
e7f8ff43 3072
e481f9b9 3073#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 3074 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
3075 if (next_proto_neg) {
3076 BIO_printf(bio_s_out, "NEXTPROTO is ");
3077 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
3078 BIO_printf(bio_s_out, "\n");
3079 }
ee2ffc27 3080#endif
e783bae2 3081#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 3082 {
3083 SRTP_PROTECTION_PROFILE *srtp_profile
3084 = SSL_get_selected_srtp_profile(con);
3085
3086 if (srtp_profile)
3087 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
3088 srtp_profile->name);
3089 }
3090#endif
b577fd0b 3091 if (SSL_session_reused(con))
0f113f3e 3092 BIO_printf(bio_s_out, "Reused session-id\n");
af5e63e1
FG		 3093
3094 ssl_print_secure_renegotiation_notes(bio_s_out, con);
3095
db0f35dd
TS		 3096 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
3097 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
3098
0f113f3e
MC		 3099 if (keymatexportlabel != NULL) {
3100 BIO_printf(bio_s_out, "Keying material exporter:\n");
3101 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
3102 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
68dc6824 3103 exportedkeymat = app_malloc(keymatexportlen, "export key");
40649e36 3104 if (SSL_export_keying_material(con, exportedkeymat,
68dc6824
RS		 3105 keymatexportlen,
3106 keymatexportlabel,
3107 strlen(keymatexportlabel),
40649e36 3108 NULL, 0, 0) <= 0) {
68dc6824
RS		 3109 BIO_printf(bio_s_out, " Error\n");
3110 } else {
3111 BIO_printf(bio_s_out, " Keying material: ");
3112 for (i = 0; i < keymatexportlen; i++)
3113 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
3114 BIO_printf(bio_s_out, "\n");
0f113f3e 3115 }
68dc6824 3116 OPENSSL_free(exportedkeymat);
0f113f3e 3117 }
d6c3c189
BP		 3118#ifndef OPENSSL_NO_KTLS
3119 if (BIO_get_ktls_send(SSL_get_wbio(con)))
3120 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
005080aa
BP		 3121 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
3122 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
d6c3c189 3123#endif
0f113f3e 3124
d6073e27 3125 (void)BIO_flush(bio_s_out);
0f113f3e 3126}
d02b48c6 3127
72d0bc84 3128static int www_body(int s, int stype, int prot, unsigned char *context)
0f113f3e 3129{
2ff286c2 3130 char *buf = NULL, *p;
0f113f3e
MC		 3131 int ret = 1;
3132 int i, j, k, dot;
3133 SSL *con;
3134 const SSL_CIPHER *c;
3135 BIO *io, *ssl_bio, *sbio;
7e1b7485
RS		 3136#ifdef RENEG
3137 int total_bytes = 0;
3138#endif
075c8795 3139 int width;
aea68b0d
HL		 3140#ifndef OPENSSL_NO_KTLS
3141 int use_sendfile_for_req = use_sendfile;
3142#endif
075c8795 3143 fd_set readfds;
c3be39f2 3144 const char *opmode;
ba0b60c6
JJ		 3145#ifdef CHARSET_EBCDIC
3146 BIO *filter;
3147#endif
075c8795
MC		 3148
3149 /* Set width for a select call if needed */
3150 width = s + 1;
d02b48c6 3151
148b592d
HK		 3152 /* as we use BIO_gets(), and it always null terminates data, we need
3153 * to allocate 1 byte longer buffer to fit the full 2^14 byte record */
3154 p = buf = app_malloc(bufsize + 1, "server www buffer");
0f113f3e
MC		 3155 io = BIO_new(BIO_f_buffer());
3156 ssl_bio = BIO_new(BIO_f_ssl());
3157 if ((io == NULL) || (ssl_bio == NULL))
3158 goto err;
d02b48c6 3159
0f113f3e 3160 if (s_nbio) {
ba810815 3161 if (!BIO_socket_nbio(s, 1))
0f113f3e 3162 ERR_print_errors(bio_err);
ba810815
RS		 3163 else if (!s_quiet)
3164 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 3165 }
d02b48c6 3166
0f113f3e 3167 /* lets make the output buffer a reasonable size */
25d02f33 3168 if (BIO_set_write_buffer_size(io, bufsize) <= 0)
0f113f3e 3169 goto err;
d02b48c6 3170
0f113f3e
MC		 3171 if ((con = SSL_new(ctx)) == NULL)
3172 goto err;
e481f9b9 3173
0f113f3e
MC		 3174 if (s_tlsextdebug) {
3175 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3176 SSL_set_tlsext_debug_arg(con, bio_s_out);
3177 }
e481f9b9 3178
2234212c 3179 if (context != NULL
d6073e27 3180 && !SSL_set_session_id_context(con, context,
67afcfd3
MC		 3181 strlen((char *)context))) {
3182 SSL_free(con);
ac59d705 3183 goto err;
67afcfd3 3184 }
0f113f3e
MC		 3185
3186 sbio = BIO_new_socket(s, BIO_NOCLOSE);
ba0b60c6
JJ		 3187 if (sbio == NULL) {
3188 SSL_free(con);
3189 goto err;
3190 }
3191
0f113f3e
MC		 3192 if (s_nbio_test) {
3193 BIO *test;
3194
3195 test = BIO_new(BIO_f_nbio_test());
ba0b60c6
JJ		 3196 if (test == NULL) {
3197 SSL_free(con);
3198 BIO_free(sbio);
3199 goto err;
3200 }
3201
0f113f3e
MC		 3202 sbio = BIO_push(test, sbio);
3203 }
3204 SSL_set_bio(con, sbio, sbio);
3205 SSL_set_accept_state(con);
3206
67afcfd3 3207 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
0f113f3e
MC		 3208 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3209 BIO_push(io, ssl_bio);
1f3f8a3d 3210 ssl_bio = NULL;
a53955d8 3211#ifdef CHARSET_EBCDIC
ba0b60c6
JJ		 3212 filter = BIO_new(BIO_f_ebcdic_filter());
3213 if (filter == NULL)
3214 goto err;
3215
3216 io = BIO_push(filter, io);
a53955d8 3217#endif
d02b48c6 3218
0f113f3e 3219 if (s_debug) {
0800318a 3220 BIO_set_callback_ex(SSL_get_rbio(con), bio_dump_callback);
0f113f3e
MC		 3221 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3222 }
3223 if (s_msg) {
93ab9e42 3224#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 3225 if (s_msg == 2)
3226 SSL_set_msg_callback(con, SSL_trace);
3227 else
3228#endif
3229 SSL_set_msg_callback(con, msg_cb);
3230 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3231 }
3232
3233 for (;;) {
148b592d 3234 i = BIO_gets(io, buf, bufsize + 1);
0f113f3e 3235 if (i < 0) { /* error */
4cfa6204 3236 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
0f113f3e
MC		 3237 if (!s_quiet)
3238 ERR_print_errors(bio_err);
3239 goto err;
3240 } else {
3241 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH		 3242#ifndef OPENSSL_NO_SRP
3243 if (BIO_should_io_special(io)
3244 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3245 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
6d2a1eff
MC		 3246
3247 lookup_srp_user(&srp_callback_parm, bio_s_out);
3248
4e7e6230
DSH		 3249 continue;
3250 }
3251#endif
5139dec2 3252 OSSL_sleep(1000);
0f113f3e
MC		 3253 continue;
3254 }
3255 } else if (i == 0) { /* end of input */
3256 ret = 1;
3257 goto end;
3258 }
d02b48c6 3259
0f113f3e 3260 /* else we have data */
2ff286c2
DDO		 3261 if ((www == 1 && HAS_PREFIX(buf, "GET "))
3262 || (www == 2 && HAS_PREFIX(buf, "GET /stats "))) {
049f3655 3263 X509 *peer = NULL;
0f113f3e
MC		 3264 STACK_OF(SSL_CIPHER) *sk;
3265 static const char *space = " ";
3266
2ff286c2
DDO		 3267 if (www == 1 && HAS_PREFIX(buf, "GET /reneg")) {
3268 if (HAS_PREFIX(buf, "GET /renegcert"))
0f113f3e
MC		 3269 SSL_set_verify(con,
3270 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3271 NULL);
3272 i = SSL_renegotiate(con);
3273 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
075c8795 3274 /* Send the HelloRequest */
0f113f3e
MC		 3275 i = SSL_do_handshake(con);
3276 if (i <= 0) {
3277 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3278 SSL_get_error(con, i));
3279 ERR_print_errors(bio_err);
3280 goto err;
3281 }
075c8795
MC		 3282 /* Wait for a ClientHello to come back */
3283 FD_ZERO(&readfds);
3284 openssl_fdset(s, &readfds);
3285 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3286 if (i <= 0 || !FD_ISSET(s, &readfds)) {
d6073e27
F		 3287 BIO_printf(bio_s_out,
3288 "Error waiting for client response\n");
0f113f3e
MC		 3289 ERR_print_errors(bio_err);
3290 goto err;
3291 }
075c8795 3292 /*
049f3655 3293 * We're not actually expecting any data here and we ignore
075c8795
MC		 3294 * any that is sent. This is just to force the handshake that
3295 * we're expecting to come from the client. If they haven't
3296 * sent one there's not much we can do.
3297 */
148b592d 3298 BIO_gets(io, buf, bufsize + 1);
0f113f3e
MC		 3299 }
3300
3301 BIO_puts(io,
3302 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3303 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3304 BIO_puts(io, "<pre>\n");
049f3655 3305 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
0f113f3e
MC		 3306 BIO_puts(io, "\n");
3307 for (i = 0; i < local_argc; i++) {
f92beb98 3308 const char *myp;
2ff286c2 3309
f92beb98
RS		 3310 for (myp = local_argv[i]; *myp; myp++)
3311 switch (*myp) {
3312 case '<':
3313 BIO_puts(io, "&lt;");
3314 break;
3315 case '>':
3316 BIO_puts(io, "&gt;");
3317 break;
3318 case '&':
3319 BIO_puts(io, "&amp;");
3320 break;
3321 default:
3322 BIO_write(io, myp, 1);
3323 break;
3324 }
0f113f3e
MC		 3325 BIO_write(io, " ", 1);
3326 }
3327 BIO_puts(io, "\n");
3328
af5e63e1 3329 ssl_print_secure_renegotiation_notes(io, con);
0f113f3e
MC		 3330
3331 /*
3332 * The following is evil and should not really be done
3333 */
3334 BIO_printf(io, "Ciphers supported in s_server binary\n");
3335 sk = SSL_get_ciphers(con);
3336 j = sk_SSL_CIPHER_num(sk);
3337 for (i = 0; i < j; i++) {
3338 c = sk_SSL_CIPHER_value(sk, i);
7e1b7485 3339 BIO_printf(io, "%-11s:%-25s ",
0f113f3e
MC		 3340 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3341 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3342 BIO_puts(io, "\n");
3343 }
3344 BIO_puts(io, "\n");
3345 p = SSL_get_shared_ciphers(con, buf, bufsize);
3346 if (p != NULL) {
3347 BIO_printf(io,
3348 "---\nCiphers common between both SSL end points:\n");
3349 j = i = 0;
3350 while (*p) {
3351 if (*p == ':') {
3352 BIO_write(io, space, 26 - j);
3353 i++;
3354 j = 0;
3355 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3356 } else {
3357 BIO_write(io, p, 1);
3358 j++;
3359 }
3360 p++;
3361 }
3362 BIO_puts(io, "\n");
3363 }
3364 ssl_print_sigalgs(io, con);
3365#ifndef OPENSSL_NO_EC
de4d764e 3366 ssl_print_groups(io, con, 0);
0f113f3e 3367#endif
5969a2dd 3368 print_ca_names(io, con);
b577fd0b 3369 BIO_printf(io, (SSL_session_reused(con)
0f113f3e
MC		 3370 ? "---\nReused, " : "---\nNew, "));
3371 c = SSL_get_current_cipher(con);
3372 BIO_printf(io, "%s, Cipher is %s\n",
3373 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3374 SSL_SESSION_print(io, SSL_get_session(con));
3375 BIO_printf(io, "---\n");
3376 print_stats(io, SSL_get_SSL_CTX(con));
3377 BIO_printf(io, "---\n");
8c2bfd25 3378 peer = SSL_get0_peer_certificate(con);
0f113f3e
MC		 3379 if (peer != NULL) {
3380 BIO_printf(io, "Client certificate\n");
3381 X509_print(io, peer);
3382 PEM_write_bio_X509(io, peer);
049f3655 3383 peer = NULL;
1a9f5cf0 3384 } else {
0f113f3e 3385 BIO_puts(io, "no client certificate available\n");
1a9f5cf0
XL		 3386 }
3387 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
0f113f3e 3388 break;
2e3b8292 3389 } else if ((www == 2 || www == 3) && CHECK_AND_SKIP_PREFIX(p, "GET /")) {
0f113f3e 3390 BIO *file;
2ff286c2 3391 char *e;
0f113f3e
MC		 3392 static const char *text =
3393 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3394
0f113f3e
MC		 3395 dot = 1;
3396 for (e = p; *e != '\0'; e++) {
3397 if (e[0] == ' ')
3398 break;
3399
0a4d6c67
MC		 3400 if (e[0] == ':') {
3401 /* Windows drive. We treat this the same way as ".." */
3402 dot = -1;
3403 break;
3404 }
3405
0f113f3e
MC		 3406 switch (dot) {
3407 case 1:
3408 dot = (e[0] == '.') ? 2 : 0;
3409 break;
3410 case 2:
3411 dot = (e[0] == '.') ? 3 : 0;
3412 break;
3413 case 3:
0a4d6c67 3414 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0;
0f113f3e
MC		 3415 break;
3416 }
3417 if (dot == 0)
0a4d6c67 3418 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0;
0f113f3e
MC		 3419 }
3420 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3421 * component */
3422
3423 if (*e == '\0') {
3424 BIO_puts(io, text);
3425 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3426 break;
3427 }
3428 *e = '\0';
3429
3430 if (dot) {
3431 BIO_puts(io, text);
0a4d6c67 3432 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p);
0f113f3e
MC		 3433 break;
3434 }
3435
0a4d6c67 3436 if (*p == '/' || *p == '\\') {
0f113f3e
MC		 3437 BIO_puts(io, text);
3438 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3439 break;
3440 }
d02b48c6 3441
0f113f3e
MC		 3442 /* if a directory, do the index thang */
3443 if (app_isdir(p) > 0) {
0f113f3e
MC		 3444 BIO_puts(io, text);
3445 BIO_printf(io, "'%s' is a directory\r\n", p);
3446 break;
0f113f3e
MC		 3447 }
3448
c3be39f2
LZ		 3449 opmode = (http_server_binmode == 1) ? "rb" : "r";
3450 if ((file = BIO_new_file(p, opmode)) == NULL) {
0f113f3e 3451 BIO_puts(io, text);
c3be39f2 3452 BIO_printf(io, "Error opening '%s' mode='%s'\r\n", p, opmode);
0f113f3e
MC		 3453 ERR_print_errors(io);
3454 break;
3455 }
3456
3457 if (!s_quiet)
3458 BIO_printf(bio_err, "FILE:%s\n", p);
3459
3460 if (www == 2) {
3461 i = strlen(p);
3462 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3463 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3464 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3465 BIO_puts(io,
3466 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3467 else
3468 BIO_puts(io,
3469 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3470 }
3471 /* send the file */
cd81ac7b 3472#ifndef OPENSSL_NO_KTLS
aea68b0d
HL		 3473 if (use_sendfile_for_req && !BIO_get_ktls_send(SSL_get_wbio(con))) {
3474 BIO_printf(bio_err, "Warning: sendfile requested but KTLS is not available\n");
3475 use_sendfile_for_req = 0;
3476 }
3477 if (use_sendfile_for_req) {
cd81ac7b
TZ		 3478 FILE *fp = NULL;
3479 int fd;
3480 struct stat st;
3481 off_t offset = 0;
3482 size_t filesize;
3483
3484 BIO_get_fp(file, &fp);
3485 fd = fileno(fp);
3486 if (fstat(fd, &st) < 0) {
3487 BIO_printf(io, "Error fstat '%s'\r\n", p);
3488 ERR_print_errors(io);
3489 goto write_error;
3490 }
d02b48c6 3491
cd81ac7b
TZ		 3492 filesize = st.st_size;
3493 if (((int)BIO_flush(io)) < 0)
3494 goto write_error;
3495
3496 for (;;) {
3497 i = SSL_sendfile(con, fd, offset, filesize, 0);
3498 if (i < 0) {
3499 BIO_printf(io, "Error SSL_sendfile '%s'\r\n", p);
3500 ERR_print_errors(io);
3501 break;
3502 } else {
3503 offset += i;
3504 filesize -= i;
3505 }
3506
3507 if (filesize <= 0) {
3508 if (!s_quiet)
3509 BIO_printf(bio_err, "KTLS SENDFILE '%s' OK\n", p);
3510
3511 break;
3512 }
0f113f3e 3513 }
cd81ac7b 3514 } else
0f113f3e 3515#endif
cd81ac7b
TZ		 3516 {
3517 for (;;) {
3518 i = BIO_read(file, buf, bufsize);
3519 if (i <= 0)
3520 break;
0f113f3e 3521
58964a49 3522#ifdef RENEG
cd81ac7b
TZ		 3523 total_bytes += i;
3524 BIO_printf(bio_err, "%d\n", i);
3525 if (total_bytes > 3 * 1024) {
3526 total_bytes = 0;
3527 BIO_printf(bio_err, "RENEGOTIATE\n");
54463e4f 3528 SSL_renegotiate(con);
0f113f3e
MC		 3529 }
3530#endif
cd81ac7b
TZ		 3531
3532 for (j = 0; j < i;) {
3533#ifdef RENEG
3534 static count = 0;
3535 if (++count == 13)
3536 SSL_renegotiate(con);
3537#endif
3538 k = BIO_write(io, &(buf[j]), i - j);
3539 if (k <= 0) {
3540 if (!BIO_should_retry(io)
3541 && !SSL_waiting_for_async(con)) {
3542 goto write_error;
3543 } else {
3544 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3545 }
3546 } else {
3547 j += k;
0f113f3e 3548 }
0f113f3e
MC		 3549 }
3550 }
3551 }
3552 write_error:
3553 BIO_free(file);
3554 break;
3555 }
3556 }
3557
3558 for (;;) {
3559 i = (int)BIO_flush(io);
3560 if (i <= 0) {
3561 if (!BIO_should_retry(io))
3562 break;
3563 } else
3564 break;
3565 }
3566 end:
0f113f3e 3567 /* make sure we re-use sessions */
edbb56ee 3568 do_ssl_shutdown(con);
d02b48c6 3569
0f113f3e 3570 err:
b548a1f1 3571 OPENSSL_free(buf);
1f3f8a3d 3572 BIO_free(ssl_bio);
ca3a82c3 3573 BIO_free_all(io);
26a7d938 3574 return ret;
0f113f3e 3575}
d02b48c6 3576
72d0bc84 3577static int rev_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 3578{
3579 char *buf = NULL;
3580 int i;
3581 int ret = 1;
3582 SSL *con;
3583 BIO *io, *ssl_bio, *sbio;
ba0b60c6
JJ		 3584#ifdef CHARSET_EBCDIC
3585 BIO *filter;
3586#endif
4f3df8be 3587
148b592d
HK		 3588 /* as we use BIO_gets(), and it always null terminates data, we need
3589 * to allocate 1 byte longer buffer to fit the full 2^14 byte record */
3590 buf = app_malloc(bufsize + 1, "server rev buffer");
0f113f3e
MC		 3591 io = BIO_new(BIO_f_buffer());
3592 ssl_bio = BIO_new(BIO_f_ssl());
3593 if ((io == NULL) || (ssl_bio == NULL))
3594 goto err;
4f3df8be 3595
0f113f3e 3596 /* lets make the output buffer a reasonable size */
25d02f33 3597 if (BIO_set_write_buffer_size(io, bufsize) <= 0)
0f113f3e 3598 goto err;
4f3df8be 3599
0f113f3e
MC		 3600 if ((con = SSL_new(ctx)) == NULL)
3601 goto err;
e481f9b9 3602
0f113f3e
MC		 3603 if (s_tlsextdebug) {
3604 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3605 SSL_set_tlsext_debug_arg(con, bio_s_out);
3606 }
2234212c 3607 if (context != NULL
d6073e27
F		 3608 && !SSL_set_session_id_context(con, context,
3609 strlen((char *)context))) {
67afcfd3 3610 SSL_free(con);
ac59d705
MC		 3611 ERR_print_errors(bio_err);
3612 goto err;
3613 }
0f113f3e
MC		 3614
3615 sbio = BIO_new_socket(s, BIO_NOCLOSE);
ba0b60c6
JJ		 3616 if (sbio == NULL) {
3617 SSL_free(con);
3618 ERR_print_errors(bio_err);
3619 goto err;
3620 }
3621
0f113f3e
MC		 3622 SSL_set_bio(con, sbio, sbio);
3623 SSL_set_accept_state(con);
3624
67afcfd3 3625 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
0f113f3e
MC		 3626 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3627 BIO_push(io, ssl_bio);
1f3f8a3d 3628 ssl_bio = NULL;
4f3df8be 3629#ifdef CHARSET_EBCDIC
ba0b60c6
JJ		 3630 filter = BIO_new(BIO_f_ebcdic_filter());
3631 if (filter == NULL)
3632 goto err;
3633
3634 io = BIO_push(filter, io);
4f3df8be
DSH		 3635#endif
3636
0f113f3e 3637 if (s_debug) {
0800318a 3638 BIO_set_callback_ex(SSL_get_rbio(con), bio_dump_callback);
0f113f3e
MC		 3639 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3640 }
3641 if (s_msg) {
4f3df8be 3642#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 3643 if (s_msg == 2)
3644 SSL_set_msg_callback(con, SSL_trace);
3645 else
3646#endif
3647 SSL_set_msg_callback(con, msg_cb);
3648 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3649 }
3650
3651 for (;;) {
3652 i = BIO_do_handshake(io);
3653 if (i > 0)
3654 break;
3655 if (!BIO_should_retry(io)) {
3656 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3657 ERR_print_errors(bio_err);
3658 goto end;
3659 }
4e7e6230
DSH		 3660#ifndef OPENSSL_NO_SRP
3661 if (BIO_should_io_special(io)
3662 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3663 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
6d2a1eff
MC		 3664
3665 lookup_srp_user(&srp_callback_parm, bio_s_out);
3666
4e7e6230
DSH		 3667 continue;
3668 }
3669#endif
0f113f3e
MC		 3670 }
3671 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 3672 print_ssl_summary(con);
0f113f3e
MC		 3673
3674 for (;;) {
148b592d 3675 i = BIO_gets(io, buf, bufsize + 1);
0f113f3e
MC		 3676 if (i < 0) { /* error */
3677 if (!BIO_should_retry(io)) {
3678 if (!s_quiet)
3679 ERR_print_errors(bio_err);
3680 goto err;
3681 } else {
3682 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH		 3683#ifndef OPENSSL_NO_SRP
3684 if (BIO_should_io_special(io)
3685 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3686 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
6d2a1eff
MC		 3687
3688 lookup_srp_user(&srp_callback_parm, bio_s_out);
3689
4e7e6230
DSH		 3690 continue;
3691 }
3692#endif
5139dec2 3693 OSSL_sleep(1000);
0f113f3e
MC		 3694 continue;
3695 }
3696 } else if (i == 0) { /* end of input */
3697 ret = 1;
3698 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3699 goto end;
3700 } else {
3701 char *p = buf + i - 1;
3702 while (i && (*p == '\n' || *p == '\r')) {
3703 p--;
3704 i--;
3705 }
2ff286c2 3706 if (!s_ign_eof && i == 5 && HAS_PREFIX(buf, "CLOSE")) {
0f113f3e
MC		 3707 ret = 1;
3708 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3709 goto end;
3710 }
3711 BUF_reverse((unsigned char *)buf, NULL, i);
3712 buf[i] = '\n';
3713 BIO_write(io, buf, i + 1);
3714 for (;;) {
3715 i = BIO_flush(io);
3716 if (i > 0)
3717 break;
3718 if (!BIO_should_retry(io))
3719 goto end;
3720 }
3721 }
3722 }
3723 end:
3724 /* make sure we re-use sessions */
edbb56ee 3725 do_ssl_shutdown(con);
0f113f3e
MC		 3726
3727 err:
3728
b548a1f1 3729 OPENSSL_free(buf);
1f3f8a3d 3730 BIO_free(ssl_bio);
ca3a82c3 3731 BIO_free_all(io);
26a7d938 3732 return ret;
0f113f3e 3733}
4f3df8be 3734
1aa0d947 3735#define MAX_SESSION_ID_ATTEMPTS 10
ae3947de 3736static int generate_session_id(SSL *ssl, unsigned char *id,
0f113f3e
MC		 3737 unsigned int *id_len)
3738{
3739 unsigned int count = 0;
4bac25e1 3740 unsigned int session_id_prefix_len = strlen(session_id_prefix);
29f178bd 3741
0f113f3e 3742 do {
266483d2
MC		 3743 if (RAND_bytes(id, *id_len) <= 0)
3744 return 0;
0f113f3e
MC		 3745 /*
3746 * Prefix the session_id with the required prefix. NB: If our prefix
3747 * is too long, clip it - but there will be worse effects anyway, eg.
3748 * the server could only possibly create 1 session ID (ie. the
3749 * prefix!) so all future session negotiations will fail due to
3750 * conflicts.
3751 */
3752 memcpy(id, session_id_prefix,
4bac25e1 3753 (session_id_prefix_len < *id_len) ?
3754 session_id_prefix_len : *id_len);
0f113f3e
MC		 3755 }
3756 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3757 (++count < MAX_SESSION_ID_ATTEMPTS));
3758 if (count >= MAX_SESSION_ID_ATTEMPTS)
3759 return 0;
3760 return 1;
3761}
3762
3763/*
3764 * By default s_server uses an in-memory cache which caches SSL_SESSION
aa97970c 3765 * structures without any serialization. This hides some bugs which only
35b0ea4e
DSH		 3766 * become apparent in deployed servers. By implementing a basic external
3767 * session cache some issues can be debugged using s_server.
3768 */
3769
0f113f3e
MC		 3770typedef struct simple_ssl_session_st {
3771 unsigned char *id;
3772 unsigned int idlen;
3773 unsigned char *der;
3774 int derlen;
3775 struct simple_ssl_session_st *next;
3776} simple_ssl_session;
35b0ea4e
DSH		 3777
3778static simple_ssl_session *first = NULL;
3779
3780static int add_session(SSL *ssl, SSL_SESSION *session)
0f113f3e 3781{
b4faea50 3782 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
0f113f3e 3783 unsigned char *p;
35b0ea4e 3784
0f113f3e
MC		 3785 SSL_SESSION_get_id(session, &sess->idlen);
3786 sess->derlen = i2d_SSL_SESSION(session, NULL);
7e1b7485
RS		 3787 if (sess->derlen < 0) {
3788 BIO_printf(bio_err, "Error encoding session\n");
a194ee7b 3789 OPENSSL_free(sess);
7e1b7485
RS		 3790 return 0;
3791 }
35b0ea4e 3792
7644a9ae 3793 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
68dc6824
RS		 3794 sess->der = app_malloc(sess->derlen, "get session buffer");
3795 if (!sess->id) {
7e1b7485 3796 BIO_printf(bio_err, "Out of memory adding to external cache\n");
a194ee7b
RS		 3797 OPENSSL_free(sess->id);
3798 OPENSSL_free(sess->der);
918bb865
MC		 3799 OPENSSL_free(sess);
3800 return 0;
3801 }
0f113f3e 3802 p = sess->der;
7e1b7485
RS		 3803
3804 /* Assume it still works. */
3805 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
ce6766de 3806 BIO_printf(bio_err, "Unexpected session encoding length\n");
a194ee7b
RS		 3807 OPENSSL_free(sess->id);
3808 OPENSSL_free(sess->der);
3809 OPENSSL_free(sess);
ac59d705
MC		 3810 return 0;
3811 }
35b0ea4e 3812
0f113f3e
MC		 3813 sess->next = first;
3814 first = sess;
3815 BIO_printf(bio_err, "New session added to external cache\n");
3816 return 0;
3817}
35b0ea4e 3818
b6981744 3819static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
0f113f3e
MC		 3820 int *do_copy)
3821{
3822 simple_ssl_session *sess;
3823 *do_copy = 0;
3824 for (sess = first; sess; sess = sess->next) {
3825 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3826 const unsigned char *p = sess->der;
3827 BIO_printf(bio_err, "Lookup session: cache hit\n");
3c95ef22
TS		 3828 return d2i_SSL_SESSION_ex(NULL, &p, sess->derlen, app_get0_libctx(),
3829 app_get0_propq());
0f113f3e
MC		 3830 }
3831 }
3832 BIO_printf(bio_err, "Lookup session: cache miss\n");
3833 return NULL;
3834}
35b0ea4e
DSH		 3835
3836static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
0f113f3e
MC		 3837{
3838 simple_ssl_session *sess, *prev = NULL;
3839 const unsigned char *id;
3840 unsigned int idlen;
3841 id = SSL_SESSION_get_id(session, &idlen);
3842 for (sess = first; sess; sess = sess->next) {
3843 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3844 if (prev)
3845 prev->next = sess->next;
3846 else
3847 first = sess->next;
3848 OPENSSL_free(sess->id);
3849 OPENSSL_free(sess->der);
3850 OPENSSL_free(sess);
3851 return;
3852 }
3853 prev = sess;
3854 }
3855}
35b0ea4e
DSH		 3856
3857static void init_session_cache_ctx(SSL_CTX *sctx)
0f113f3e
MC		 3858{
3859 SSL_CTX_set_session_cache_mode(sctx,
3860 SSL_SESS_CACHE_NO_INTERNAL |
3861 SSL_SESS_CACHE_SERVER);
3862 SSL_CTX_sess_set_new_cb(sctx, add_session);
3863 SSL_CTX_sess_set_get_cb(sctx, get_session);
3864 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3865}
35b0ea4e
DSH		 3866
3867static void free_sessions(void)
0f113f3e
MC		 3868{
3869 simple_ssl_session *sess, *tsess;
3870 for (sess = first; sess;) {
3871 OPENSSL_free(sess->id);
3872 OPENSSL_free(sess->der);
3873 tsess = sess;
3874 sess = sess->next;
3875 OPENSSL_free(tsess);
3876 }
3877 first = NULL;
3878}
f9e55034 3879
d6073e27 3880#endif /* OPENSSL_NO_SOCK */
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