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EC keygen updates + changed ecdsa_sign to use BN_secure_new
[thirdparty/openssl.git] / apps / s_server.c
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846e33c7 1/*
6738bf14 2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
aa8f3d76 3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
c80149d9 4 * Copyright 2005 Nokia. All rights reserved.
a661b653 5 *
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>
8c197cc5 24
f9e55034
MC		 25#ifndef OPENSSL_NO_SOCK
26
0f113f3e
MC		 27/*
28 * With IPv6, it looks like Digital has mixed up the proper order of
29 * recursive header file inclusion, resulting in the compiler complaining
30 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
31 * needed to have fileno() declared correctly... So let's define u_int
32 */
bc36ee62 33#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
0f113f3e 34# define __U_INT
7d7d2cbc
UM		 35typedef unsigned int u_int;
36#endif
37
ec577822 38#include <openssl/bn.h>
d02b48c6 39#include "apps.h"
dab2cd68 40#include "progs.h"
ec577822
BM		 41#include <openssl/err.h>
42#include <openssl/pem.h>
43#include <openssl/x509.h>
44#include <openssl/ssl.h>
1372965e 45#include <openssl/rand.h>
67c8e7f4 46#include <openssl/ocsp.h>
3eeaab4b 47#ifndef OPENSSL_NO_DH
0f113f3e 48# include <openssl/dh.h>
3eeaab4b
NL		 49#endif
50#ifndef OPENSSL_NO_RSA
0f113f3e 51# include <openssl/rsa.h>
3eeaab4b 52#endif
edc032b5 53#ifndef OPENSSL_NO_SRP
0f113f3e 54# include <openssl/srp.h>
edc032b5 55#endif
d02b48c6 56#include "s_apps.h"
36d16f8e 57#include "timeouts.h"
5fd1478d
MC		 58#ifdef CHARSET_EBCDIC
59#include <openssl/ebcdic.h>
60#endif
0e97f1e1 61#include "internal/sockets.h"
d02b48c6 62
7c2d4fee 63static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
72d0bc84
MC		 64static int sv_body(int s, int stype, int prot, unsigned char *context);
65static int www_body(int s, int stype, int prot, unsigned char *context);
66static int rev_body(int s, int stype, int prot, unsigned char *context);
0f113f3e 67static void close_accept_socket(void);
d02b48c6 68static int init_ssl_connection(SSL *s);
0f113f3e 69static void print_stats(BIO *bp, SSL_CTX *ctx);
ae3947de 70static int generate_session_id(SSL *ssl, unsigned char *id,
0f113f3e 71 unsigned int *id_len);
35b0ea4e
DSH		 72static void init_session_cache_ctx(SSL_CTX *sctx);
73static void free_sessions(void);
cf1b7d96 74#ifndef OPENSSL_NO_DH
eb3eab20 75static DH *load_dh_param(const char *dhfile);
58964a49 76#endif
ade1e888 77static void print_connection_info(SSL *con);
ea262260 78
d6073e27 79static const int bufsize = 16 * 1024;
0f113f3e 80static int accept_socket = -1;
d02b48c6 81
0f113f3e 82#define TEST_CERT "server.pem"
e481f9b9 83#define TEST_CERT2 "server2.pem"
d02b48c6 84
0f113f3e 85static int s_nbio = 0;
0f113f3e 86static int s_nbio_test = 0;
df2ee0e2 87static int s_crlf = 0;
0f113f3e 88static SSL_CTX *ctx = NULL;
0f113f3e 89static SSL_CTX *ctx2 = NULL;
0f113f3e 90static int www = 0;
d02b48c6 91
0f113f3e 92static BIO *bio_s_out = NULL;
93ab9e42 93static BIO *bio_s_msg = NULL;
0f113f3e 94static int s_debug = 0;
0f113f3e 95static int s_tlsextdebug = 0;
0f113f3e
MC		 96static int s_msg = 0;
97static int s_quiet = 0;
98static int s_ign_eof = 0;
99static int s_brief = 0;
d02b48c6 100
0f113f3e
MC		 101static char *keymatexportlabel = NULL;
102static int keymatexportlen = 20;
e0af0405 103
7e25dd6d
MC		 104static int async = 0;
105
0f113f3e 106static const char *session_id_prefix = NULL;
b74ba295 107
a7a14a23 108#ifndef OPENSSL_NO_DTLS
36d16f8e 109static int enable_timeouts = 0;
b1277b99 110static long socket_mtu;
f2ff1432 111#endif
36d16f8e 112
9998b32c
MC		 113/*
114 * We define this but make it always be 0 in no-dtls builds to simplify the
115 * code.
116 */
117static int dtlslisten = 0;
c2f9648d 118static int stateless = 0;
9998b32c 119
593a2aa3 120static int early_data = 0;
df894947 121static SSL_SESSION *psksess = NULL;
593a2aa3 122
720b6cbe 123static char *psk_identity = "Client_identity";
0f113f3e 124char *psk_key = NULL; /* by default PSK is not used */
ddac1974 125
14e35350 126#ifndef OPENSSL_NO_PSK
ddac1974 127static unsigned int psk_server_cb(SSL *ssl, const char *identity,
0f113f3e
MC		 128 unsigned char *psk,
129 unsigned int max_psk_len)
130{
6ec6d520
DSH		 131 long key_len = 0;
132 unsigned char *key;
0f113f3e
MC		 133
134 if (s_debug)
135 BIO_printf(bio_s_out, "psk_server_cb\n");
2234212c 136 if (identity == NULL) {
0f113f3e
MC		 137 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
138 goto out_err;
139 }
140 if (s_debug)
141 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
11abf922 142 (int)strlen(identity), identity);
0f113f3e
MC		 143
144 /* here we could lookup the given identity e.g. from a database */
145 if (strcmp(identity, psk_identity) != 0) {
720b6cbe 146 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
0f113f3e 147 " (got '%s' expected '%s')\n", identity, psk_identity);
720b6cbe
DKG		 148 } else {
149 if (s_debug)
0f113f3e 150 BIO_printf(bio_s_out, "PSK client identity found\n");
720b6cbe 151 }
0f113f3e
MC		 152
153 /* convert the PSK key to binary */
6ec6d520
DSH		 154 key = OPENSSL_hexstr2buf(psk_key, &key_len);
155 if (key == NULL) {
156 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
0f113f3e 157 psk_key);
0f113f3e
MC		 158 return 0;
159 }
6ec6d520 160 if (key_len > (int)max_psk_len) {
0f113f3e 161 BIO_printf(bio_err,
6ec6d520
DSH		 162 "psk buffer of callback is too small (%d) for key (%ld)\n",
163 max_psk_len, key_len);
164 OPENSSL_free(key);
0f113f3e
MC		 165 return 0;
166 }
167
6ec6d520
DSH		 168 memcpy(psk, key, key_len);
169 OPENSSL_free(key);
0f113f3e
MC		 170
171 if (s_debug)
6ec6d520
DSH		 172 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
173 return key_len;
ddac1974 174 out_err:
0f113f3e
MC		 175 if (s_debug)
176 BIO_printf(bio_err, "Error in PSK server callback\n");
c54cc2b1
RS		 177 (void)BIO_flush(bio_err);
178 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 179 return 0;
180}
ddac1974 181#endif
36d16f8e 182
5ffff599
MC		 183#define TLS13_AES_128_GCM_SHA256_BYTES ((const unsigned char *)"\x13\x01")
184#define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02")
185
df894947
MC		 186static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
187 size_t identity_len, SSL_SESSION **sess)
188{
5ffff599
MC		 189 SSL_SESSION *tmpsess = NULL;
190 unsigned char *key;
191 long key_len;
192 const SSL_CIPHER *cipher = NULL;
193
df894947 194 if (strlen(psk_identity) != identity_len
c9d6fdd6 195 || memcmp(psk_identity, identity, identity_len) != 0) {
2d015189
MC		 196 *sess = NULL;
197 return 1;
c9d6fdd6 198 }
df894947 199
5ffff599
MC		 200 if (psksess != NULL) {
201 SSL_SESSION_up_ref(psksess);
202 *sess = psksess;
203 return 1;
204 }
205
206 key = OPENSSL_hexstr2buf(psk_key, &key_len);
207 if (key == NULL) {
208 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
209 psk_key);
210 return 0;
211 }
212
e73c6eae
MC		 213 /* We default to SHA256 */
214 cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
5ffff599 215 if (cipher == NULL) {
e73c6eae 216 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
fbccfedf 217 OPENSSL_free(key);
5ffff599
MC		 218 return 0;
219 }
220
221 tmpsess = SSL_SESSION_new();
222 if (tmpsess == NULL
223 || !SSL_SESSION_set1_master_key(tmpsess, key, key_len)
224 || !SSL_SESSION_set_cipher(tmpsess, cipher)
225 || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) {
226 OPENSSL_free(key);
227 return 0;
228 }
229 OPENSSL_free(key);
230 *sess = tmpsess;
df894947
MC		 231
232 return 1;
233}
234
edc032b5
BL		 235#ifndef OPENSSL_NO_SRP
236/* This is a context that we pass to callbacks */
0f113f3e
MC		 237typedef struct srpsrvparm_st {
238 char *login;
239 SRP_VBASE *vb;
240 SRP_user_pwd *user;
241} srpsrvparm;
1fb6b0bf 242static srpsrvparm srp_callback_parm;
0f113f3e
MC		 243
244/*
245 * This callback pretends to require some asynchronous logic in order to
246 * obtain a verifier. When the callback is called for a new connection we
247 * return with a negative value. This will provoke the accept etc to return
248 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
249 * (which would normally occur after a worker has finished) and we set the
250 * user parameters.
251 */
6d23cf97 252static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 253{
254 srpsrvparm *p = (srpsrvparm *) arg;
380f18ed
EK		 255 int ret = SSL3_AL_FATAL;
256
0f113f3e
MC		 257 if (p->login == NULL && p->user == NULL) {
258 p->login = SSL_get_srp_username(s);
259 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
26a7d938 260 return -1;
0f113f3e
MC		 261 }
262
263 if (p->user == NULL) {
264 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
380f18ed 265 goto err;
0f113f3e 266 }
380f18ed 267
0f113f3e
MC		 268 if (SSL_set_srp_server_param
269 (s, p->user->N, p->user->g, p->user->s, p->user->v,
270 p->user->info) < 0) {
271 *ad = SSL_AD_INTERNAL_ERROR;
380f18ed 272 goto err;
0f113f3e
MC		 273 }
274 BIO_printf(bio_err,
275 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
276 p->login, p->user->info);
380f18ed
EK		 277 ret = SSL_ERROR_NONE;
278
d6073e27 279 err:
380f18ed 280 SRP_user_pwd_free(p->user);
0f113f3e
MC		 281 p->user = NULL;
282 p->login = NULL;
380f18ed 283 return ret;
0f113f3e 284}
edc032b5
BL		 285
286#endif
287
0f113f3e 288static int local_argc = 0;
d02b48c6 289static char **local_argv;
d02b48c6 290
a53955d8
UM		 291#ifdef CHARSET_EBCDIC
292static int ebcdic_new(BIO *bi);
293static int ebcdic_free(BIO *a);
294static int ebcdic_read(BIO *b, char *out, int outl);
0fd05a2f
BM		 295static int ebcdic_write(BIO *b, const char *in, int inl);
296static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
a53955d8 297static int ebcdic_gets(BIO *bp, char *buf, int size);
0fd05a2f 298static int ebcdic_puts(BIO *bp, const char *str);
a53955d8 299
0f113f3e 300# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
5fd1478d 301static BIO_METHOD *methods_ebcdic = NULL;
0f113f3e 302
68dc6824 303/* This struct is "unwarranted chumminess with the compiler." */
0f113f3e
MC		 304typedef struct {
305 size_t alloced;
306 char buff[1];
a53955d8
UM		 307} EBCDIC_OUTBUFF;
308
5fd1478d 309static const BIO_METHOD *BIO_f_ebcdic_filter()
a53955d8 310{
5fd1478d
MC		 311 if (methods_ebcdic == NULL) {
312 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
d6073e27
F		 313 "EBCDIC/ASCII filter");
314 if (methods_ebcdic == NULL
5fd1478d
MC		 315 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
316 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
317 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
318 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
319 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
320 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
321 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
322 return NULL;
323 }
324 return methods_ebcdic;
a53955d8
UM		 325}
326
327static int ebcdic_new(BIO *bi)
328{
0f113f3e 329 EBCDIC_OUTBUFF *wbuf;
a53955d8 330
b4faea50 331 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
0f113f3e
MC		 332 wbuf->alloced = 1024;
333 wbuf->buff[0] = '\0';
a53955d8 334
5fd1478d
MC		 335 BIO_set_data(bi, wbuf);
336 BIO_set_init(bi, 1);
337 return 1;
a53955d8
UM		 338}
339
340static int ebcdic_free(BIO *a)
341{
5fd1478d
MC		 342 EBCDIC_OUTBUFF *wbuf;
343
0f113f3e 344 if (a == NULL)
5fd1478d
MC		 345 return 0;
346 wbuf = BIO_get_data(a);
347 OPENSSL_free(wbuf);
348 BIO_set_data(a, NULL);
349 BIO_set_init(a, 0);
350
351 return 1;
a53955d8 352}
0f113f3e 353
a53955d8
UM		 354static int ebcdic_read(BIO *b, char *out, int outl)
355{
0f113f3e 356 int ret = 0;
5fd1478d 357 BIO *next = BIO_next(b);
a53955d8 358
0f113f3e 359 if (out == NULL || outl == 0)
26a7d938 360 return 0;
5fd1478d 361 if (next == NULL)
26a7d938 362 return 0;
a53955d8 363
5fd1478d 364 ret = BIO_read(next, out, outl);
0f113f3e
MC		 365 if (ret > 0)
366 ascii2ebcdic(out, out, ret);
5fd1478d 367 return ret;
a53955d8
UM		 368}
369
0fd05a2f 370static int ebcdic_write(BIO *b, const char *in, int inl)
a53955d8 371{
0f113f3e 372 EBCDIC_OUTBUFF *wbuf;
5fd1478d 373 BIO *next = BIO_next(b);
0f113f3e
MC		 374 int ret = 0;
375 int num;
a53955d8 376
0f113f3e 377 if ((in == NULL) || (inl <= 0))
26a7d938 378 return 0;
5fd1478d
MC		 379 if (next == NULL)
380 return 0;
a53955d8 381
5fd1478d 382 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
a53955d8 383
0f113f3e
MC		 384 if (inl > (num = wbuf->alloced)) {
385 num = num + num; /* double the size */
386 if (num < inl)
387 num = inl;
5fd1478d 388 OPENSSL_free(wbuf);
b4faea50 389 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
a53955d8 390
0f113f3e
MC		 391 wbuf->alloced = num;
392 wbuf->buff[0] = '\0';
a53955d8 393
5fd1478d 394 BIO_set_data(b, wbuf);
0f113f3e 395 }
a53955d8 396
0f113f3e 397 ebcdic2ascii(wbuf->buff, in, inl);
a53955d8 398
5fd1478d 399 ret = BIO_write(next, wbuf->buff, inl);
a53955d8 400
26a7d938 401 return ret;
a53955d8
UM		 402}
403
0fd05a2f 404static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
a53955d8 405{
0f113f3e 406 long ret;
5fd1478d 407 BIO *next = BIO_next(b);
0f113f3e 408
5fd1478d 409 if (next == NULL)
26a7d938 410 return 0;
0f113f3e
MC		 411 switch (cmd) {
412 case BIO_CTRL_DUP:
413 ret = 0L;
414 break;
415 default:
5fd1478d 416 ret = BIO_ctrl(next, cmd, num, ptr);
0f113f3e
MC		 417 break;
418 }
26a7d938 419 return ret;
a53955d8
UM		 420}
421
422static int ebcdic_gets(BIO *bp, char *buf, int size)
423{
0f113f3e 424 int i, ret = 0;
5fd1478d
MC		 425 BIO *next = BIO_next(bp);
426
427 if (next == NULL)
428 return 0;
0f113f3e
MC		 429/* return(BIO_gets(bp->next_bio,buf,size));*/
430 for (i = 0; i < size - 1; ++i) {
431 ret = ebcdic_read(bp, &buf[i], 1);
432 if (ret <= 0)
433 break;
434 else if (buf[i] == '\n') {
435 ++i;
436 break;
437 }
438 }
439 if (i < size)
440 buf[i] = '\0';
441 return (ret < 0 && i == 0) ? ret : i;
a53955d8
UM		 442}
443
0fd05a2f 444static int ebcdic_puts(BIO *bp, const char *str)
a53955d8 445{
5fd1478d
MC		 446 if (BIO_next(bp) == NULL)
447 return 0;
0f113f3e 448 return ebcdic_write(bp, str, strlen(str));
a53955d8
UM		 449}
450#endif
451
ed3883d2
BM		 452/* This is a context that we pass to callbacks */
453typedef struct tlsextctx_st {
0f113f3e
MC		 454 char *servername;
455 BIO *biodebug;
456 int extension_error;
ed3883d2
BM		 457} tlsextctx;
458
6d23cf97 459static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 460{
461 tlsextctx *p = (tlsextctx *) arg;
462 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
0d68367a
RS		 463
464 if (servername != NULL && p->biodebug != NULL) {
465 const char *cp = servername;
466 unsigned char uc;
467
468 BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
469 while ((uc = *cp++) != 0)
470 BIO_printf(p->biodebug,
471 isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
472 BIO_printf(p->biodebug, "\"\n");
473 }
0f113f3e 474
2234212c 475 if (p->servername == NULL)
0f113f3e
MC		 476 return SSL_TLSEXT_ERR_NOACK;
477
2234212c 478 if (servername != NULL) {
0f113f3e
MC		 479 if (strcasecmp(servername, p->servername))
480 return p->extension_error;
2234212c 481 if (ctx2 != NULL) {
0f113f3e
MC		 482 BIO_printf(p->biodebug, "Switching server context.\n");
483 SSL_set_SSL_CTX(s, ctx2);
484 }
485 }
486 return SSL_TLSEXT_ERR_OK;
ed3883d2 487}
67c8e7f4
DSH		 488
489/* Structure passed to cert status callback */
67c8e7f4 490typedef struct tlsextstatusctx_st {
f5ca0b04 491 int timeout;
acf65ae5
MC		 492 /* File to load OCSP Response from (or NULL if no file) */
493 char *respin;
0f113f3e
MC		 494 /* Default responder to use */
495 char *host, *path, *port;
496 int use_ssl;
0f113f3e 497 int verbose;
67c8e7f4
DSH		 498} tlsextstatusctx;
499
f5ca0b04 500static tlsextstatusctx tlscstatp = { -1 };
67c8e7f4 501
3e41ac35 502#ifndef OPENSSL_NO_OCSP
acf65ae5 503
0f113f3e 504/*
acf65ae5
MC		 505 * Helper function to get an OCSP_RESPONSE from a responder. This is a
506 * simplified version. It examines certificates each time and makes one OCSP
507 * responder query for each request. A full version would store details such as
508 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
509 * them until they were considered "expired".
67c8e7f4 510 */
acf65ae5
MC		 511static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
512 OCSP_RESPONSE **resp)
0f113f3e 513{
4c9b0a03 514 char *host = NULL, *port = NULL, *path = NULL;
0f113f3e 515 int use_ssl;
0f113f3e
MC		 516 STACK_OF(OPENSSL_STRING) *aia = NULL;
517 X509 *x = NULL;
f0e0fd51
RS		 518 X509_STORE_CTX *inctx = NULL;
519 X509_OBJECT *obj;
0f113f3e 520 OCSP_REQUEST *req = NULL;
0f113f3e
MC		 521 OCSP_CERTID *id = NULL;
522 STACK_OF(X509_EXTENSION) *exts;
523 int ret = SSL_TLSEXT_ERR_NOACK;
524 int i;
7e1b7485 525
0f113f3e
MC		 526 /* Build up OCSP query from server certificate */
527 x = SSL_get_certificate(s);
528 aia = X509_get1_ocsp(x);
2234212c 529 if (aia != NULL) {
0f113f3e
MC		 530 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
531 &host, &port, &path, &use_ssl)) {
7e1b7485 532 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
0f113f3e
MC		 533 goto err;
534 }
535 if (srctx->verbose)
7e1b7485 536 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
0f113f3e
MC		 537 sk_OPENSSL_STRING_value(aia, 0));
538 } else {
2234212c 539 if (srctx->host == NULL) {
7e1b7485 540 BIO_puts(bio_err,
0f113f3e
MC		 541 "cert_status: no AIA and no default responder URL\n");
542 goto done;
543 }
544 host = srctx->host;
545 path = srctx->path;
546 port = srctx->port;
547 use_ssl = srctx->use_ssl;
548 }
549
f0e0fd51
RS		 550 inctx = X509_STORE_CTX_new();
551 if (inctx == NULL)
552 goto err;
553 if (!X509_STORE_CTX_init(inctx,
0f113f3e
MC		 554 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
555 NULL, NULL))
556 goto err;
6ddbb4cd
RS		 557 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
558 X509_get_issuer_name(x));
f0e0fd51 559 if (obj == NULL) {
7e1b7485 560 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
0f113f3e
MC		 561 goto done;
562 }
f0e0fd51
RS		 563 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
564 X509_OBJECT_free(obj);
2234212c 565 if (id == NULL)
0f113f3e 566 goto err;
0461b7ea
MC		 567 req = OCSP_REQUEST_new();
568 if (req == NULL)
569 goto err;
0f113f3e
MC		 570 if (!OCSP_request_add0_id(req, id))
571 goto err;
572 id = NULL;
573 /* Add any extensions to the request */
574 SSL_get_tlsext_status_exts(s, &exts);
575 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
576 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
577 if (!OCSP_REQUEST_add_ext(req, ext, -1))
578 goto err;
579 }
acf65ae5 580 *resp = process_responder(req, host, path, port, use_ssl, NULL,
0f113f3e 581 srctx->timeout);
acf65ae5 582 if (*resp == NULL) {
7e1b7485 583 BIO_puts(bio_err, "cert_status: error querying responder\n");
0f113f3e
MC		 584 goto done;
585 }
acf65ae5 586
0f113f3e 587 ret = SSL_TLSEXT_ERR_OK;
f0e0fd51
RS		 588 goto done;
589
590 err:
591 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
0f113f3e 592 done:
6530c490
MC		 593 /*
594 * If we parsed aia we need to free; otherwise they were copied and we
595 * don't
596 */
f5ca0b04 597 if (aia != NULL) {
0f113f3e
MC		 598 OPENSSL_free(host);
599 OPENSSL_free(path);
600 OPENSSL_free(port);
601 X509_email_free(aia);
602 }
25aaa98a
RS		 603 OCSP_CERTID_free(id);
604 OCSP_REQUEST_free(req);
f0e0fd51 605 X509_STORE_CTX_free(inctx);
0f113f3e 606 return ret;
0f113f3e 607}
acf65ae5
MC		 608
609/*
610 * Certificate Status callback. This is called when a client includes a
611 * certificate status request extension. The response is either obtained from a
612 * file, or from an OCSP responder.
613 */
614static int cert_status_cb(SSL *s, void *arg)
615{
616 tlsextstatusctx *srctx = arg;
617 OCSP_RESPONSE *resp = NULL;
618 unsigned char *rspder = NULL;
619 int rspderlen;
620 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
621
622 if (srctx->verbose)
623 BIO_puts(bio_err, "cert_status: callback called\n");
624
625 if (srctx->respin != NULL) {
626 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
627 if (derbio == NULL) {
628 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
629 goto err;
630 }
631 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
632 BIO_free(derbio);
f5ca0b04 633 if (resp == NULL) {
acf65ae5
MC		 634 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
635 goto err;
636 }
637 } else {
638 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
639 if (ret != SSL_TLSEXT_ERR_OK)
640 goto err;
641 }
642
643 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
644 if (rspderlen <= 0)
645 goto err;
646
647 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
648 if (srctx->verbose) {
649 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
650 OCSP_RESPONSE_print(bio_err, resp, 2);
651 }
652
653 ret = SSL_TLSEXT_ERR_OK;
654
655 err:
656 if (ret != SSL_TLSEXT_ERR_OK)
657 ERR_print_errors(bio_err);
658
659 OCSP_RESPONSE_free(resp);
660
661 return ret;
662}
3e41ac35 663#endif
ee2ffc27 664
e481f9b9 665#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 666/* This is the context that we pass to next_proto_cb */
667typedef struct tlsextnextprotoctx_st {
0f113f3e 668 unsigned char *data;
f2ff1432 669 size_t len;
ee2ffc27
BL		 670} tlsextnextprotoctx;
671
0f113f3e
MC		 672static int next_proto_cb(SSL *s, const unsigned char **data,
673 unsigned int *len, void *arg)
674{
675 tlsextnextprotoctx *next_proto = arg;
ee2ffc27 676
0f113f3e
MC		 677 *data = next_proto->data;
678 *len = next_proto->len;
ee2ffc27 679
0f113f3e
MC		 680 return SSL_TLSEXT_ERR_OK;
681}
e481f9b9 682#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
6f017a8f
AL		 683
684/* This the context that we pass to alpn_cb */
685typedef struct tlsextalpnctx_st {
0f113f3e 686 unsigned char *data;
817cd0d5 687 size_t len;
6f017a8f
AL		 688} tlsextalpnctx;
689
0f113f3e
MC		 690static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
691 const unsigned char *in, unsigned int inlen, void *arg)
692{
693 tlsextalpnctx *alpn_ctx = arg;
694
695 if (!s_quiet) {
696 /* We can assume that |in| is syntactically valid. */
817cd0d5 697 unsigned int i;
0f113f3e
MC		 698 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
699 for (i = 0; i < inlen;) {
700 if (i)
701 BIO_write(bio_s_out, ", ", 2);
702 BIO_write(bio_s_out, &in[i + 1], in[i]);
703 i += in[i] + 1;
704 }
705 BIO_write(bio_s_out, "\n", 1);
706 }
707
708 if (SSL_select_next_proto
709 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
710 inlen) != OPENSSL_NPN_NEGOTIATED) {
711 return SSL_TLSEXT_ERR_NOACK;
712 }
713
714 if (!s_quiet) {
715 BIO_printf(bio_s_out, "ALPN protocols selected: ");
716 BIO_write(bio_s_out, *out, *outlen);
717 BIO_write(bio_s_out, "\n", 1);
718 }
719
720 return SSL_TLSEXT_ERR_OK;
721}
ed3883d2 722
7c2d4fee 723static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
0f113f3e
MC		 724{
725 /* disable resumption for sessions with forward secure ciphers */
726 return is_forward_secure;
727}
7c2d4fee 728
7e1b7485 729typedef enum OPTION_choice {
ab69ac00
RL		 730 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
731 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
a7c04f2b 732 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
7e1b7485
RS		 733 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
734 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
735 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
2b6bcb70 736 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
7e1b7485 737 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
2b6bcb70
MC		 738 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
739 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
740 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
acf65ae5
MC		 741 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
742 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
743 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
df894947
MC		 744 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
745 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
746 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
28e5ea88 747 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
582a17d6 748 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
c2f9648d 749 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS,
3ee1eac2 750 OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
dba31777 751 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
7e1b7485 752 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
bafe9cf5 753 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA,
09d62b33 754 OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG,
3ee1eac2 755 OPT_R_ENUM,
7e1b7485
RS		 756 OPT_S_ENUM,
757 OPT_V_ENUM,
5561419a 758 OPT_X_ENUM
7e1b7485
RS		 759} OPTION_CHOICE;
760
44c83ebd 761const OPTIONS s_server_options[] = {
7e1b7485 762 {"help", OPT_HELP, '-', "Display this summary"},
32eabe34
MR		 763 {"port", OPT_PORT, 'p',
764 "TCP/IP port to listen on for connections (default is " PORT ")"},
ab69ac00 765 {"accept", OPT_ACCEPT, 's',
a22f9c84 766 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
ab69ac00 767#ifdef AF_UNIX
7e1b7485 768 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
ab69ac00
RL		 769#endif
770 {"4", OPT_4, '-', "Use IPv4 only"},
771 {"6", OPT_6, '-', "Use IPv6 only"},
32eabe34 772#ifdef AF_UNIX
7e1b7485 773 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
32eabe34 774#endif
7e1b7485
RS		 775 {"context", OPT_CONTEXT, 's', "Set session ID context"},
776 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
777 {"Verify", OPT_UPPER_V_VERIFY, 'n',
778 "Turn on peer certificate verification, must have a cert"},
779 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
a7c04f2b 780 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
ceab33e2 781 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
7e1b7485
RS		 782 {"serverinfo", OPT_SERVERINFO, 's',
783 "PEM serverinfo file for certificate"},
7e1b7485
RS		 784 {"certform", OPT_CERTFORM, 'F',
785 "Certificate format (PEM or DER) PEM default"},
75c445e4 786 {"key", OPT_KEY, 's',
7e1b7485
RS		 787 "Private Key if not in -cert; default is " TEST_CERT},
788 {"keyform", OPT_KEYFORM, 'f',
789 "Key format (PEM, DER or ENGINE) PEM default"},
790 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
791 {"dcert", OPT_DCERT, '<',
792 "Second certificate file to use (usually for DSA)"},
51ac8270 793 {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"},
7e1b7485
RS		 794 {"dcertform", OPT_DCERTFORM, 'F',
795 "Second certificate format (PEM or DER) PEM default"},
796 {"dkey", OPT_DKEY, '<',
797 "Second private key file to use (usually for DSA)"},
798 {"dkeyform", OPT_DKEYFORM, 'F',
799 "Second key format (PEM, DER or ENGINE) PEM default"},
800 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
7e1b7485
RS		 801 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
802 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
803 {"debug", OPT_DEBUG, '-', "Print more output"},
804 {"msg", OPT_MSG, '-', "Show protocol messages"},
32eabe34
MR		 805 {"msgfile", OPT_MSGFILE, '>',
806 "File to send output of -msg or -trace, instead of stdout"},
7e1b7485 807 {"state", OPT_STATE, '-', "Print the SSL states"},
7e1b7485 808 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
2b6bcb70
MC		 809 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
810 {"no-CAfile", OPT_NOCAFILE, '-',
811 "Do not load the default certificates file"},
812 {"no-CApath", OPT_NOCAPATH, '-',
813 "Do not load certificates from the default certificates directory"},
7e1b7485
RS		 814 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
815 {"quiet", OPT_QUIET, '-', "No server output"},
7e1b7485
RS		 816 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
817 "Disable caching and tickets if ephemeral (EC)DH is used"},
818 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
819 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
7e1b7485
RS		 820 {"servername", OPT_SERVERNAME, 's',
821 "Servername for HostName TLS extension"},
822 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
823 "mismatch send fatal alert (default warning alert)"},
824 {"cert2", OPT_CERT2, '<',
825 "Certificate file to use for servername; default is" TEST_CERT2},
826 {"key2", OPT_KEY2, '<',
827 "-Private Key file to use for servername if not in -cert2"},
828 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
829 "Hex dump of all TLS extensions received"},
ceab33e2 830 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
9c3bcfa0
RS		 831 {"id_prefix", OPT_ID_PREFIX, 's',
832 "Generate SSL/TLS session IDs prefixed by arg"},
3ee1eac2 833 OPT_R_OPTIONS,
7e1b7485
RS		 834 {"keymatexport", OPT_KEYMATEXPORT, 's',
835 "Export keying material using label"},
836 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
837 "Export len bytes of keying material (default 20)"},
32eabe34
MR		 838 {"CRL", OPT_CRL, '<', "CRL file to use"},
839 {"crl_download", OPT_CRL_DOWNLOAD, '-',
840 "Download CRL from distribution points"},
841 {"cert_chain", OPT_CERT_CHAIN, '<',
842 "certificate chain file in PEM format"},
843 {"dcert_chain", OPT_DCERT_CHAIN, '<',
844 "second certificate chain file in PEM format"},
845 {"chainCApath", OPT_CHAINCAPATH, '/',
846 "use dir as certificate store path to build CA certificate chain"},
847 {"verifyCApath", OPT_VERIFYCAPATH, '/',
848 "use dir as certificate store path to verify CA certificate"},
849 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
850 {"ext_cache", OPT_EXT_CACHE, '-',
851 "Disable internal cache, setup and use external cache"},
d6073e27 852 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
32eabe34
MR		 853 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
854 "Close connection on verification error"},
855 {"verify_quiet", OPT_VERIFY_QUIET, '-',
856 "No verify output except verify errors"},
857 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
858 {"chainCAfile", OPT_CHAINCAFILE, '<',
859 "CA file for certificate chain (PEM format)"},
860 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
861 "CA file for certificate verification (PEM format)"},
862 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
863 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
3e41ac35 864#ifndef OPENSSL_NO_OCSP
32eabe34
MR		 865 {"status", OPT_STATUS, '-', "Request certificate status from server"},
866 {"status_verbose", OPT_STATUS_VERBOSE, '-',
867 "Print more output in certificate status callback"},
868 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
869 "Status request responder timeout"},
870 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
acf65ae5
MC		 871 {"status_file", OPT_STATUS_FILE, '<',
872 "File containing DER encoded OCSP Response"},
3e41ac35 873#endif
32eabe34
MR		 874#ifndef OPENSSL_NO_SSL_TRACE
875 {"trace", OPT_TRACE, '-', "trace protocol messages"},
876#endif
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, '-',
884 "act as a simple test server which just sends back with the received text reversed"},
7e25dd6d 885 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
d6073e27 886 {"ssl_config", OPT_SSL_CONFIG, 's',
32eabe34 887 "Configure SSL_CTX using the configuration 'val'"},
28e5ea88 888 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
36b2cfb1 889 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
0df80881 890 "Size used to split data for encrypt pipelines"},
36b2cfb1 891 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
032c6d21 892 "Maximum number of encrypt/decrypt pipelines to be used"},
36b2cfb1 893 {"read_buf", OPT_READ_BUF, 'p',
dad78fb1 894 "Default read buffer size to be used for connections"},
7e1b7485
RS		 895 OPT_S_OPTIONS,
896 OPT_V_OPTIONS,
897 OPT_X_OPTIONS,
9c3bcfa0 898 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
720b6cbe 899 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
14e35350 900#ifndef OPENSSL_NO_PSK
9c3bcfa0 901 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
9c3bcfa0 902#endif
14e35350 903 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
df894947 904 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
9c3bcfa0
RS		 905#ifndef OPENSSL_NO_SRP
906 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
907 {"srpuserseed", OPT_SRPUSERSEED, 's',
908 "A seed string for a default user salt"},
909#endif
910#ifndef OPENSSL_NO_SSL3
911 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
912#endif
6b01bed2
VD		 913#ifndef OPENSSL_NO_TLS1
914 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
915#endif
916#ifndef OPENSSL_NO_TLS1_1
917 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
918#endif
919#ifndef OPENSSL_NO_TLS1_2
920 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
921#endif
582a17d6
MC		 922#ifndef OPENSSL_NO_TLS1_3
923 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
924#endif
a5ecdc6a 925#ifndef OPENSSL_NO_DTLS
32eabe34 926 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
9c3bcfa0
RS		 927 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
928 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
fd4e98ec
MC		 929 {"listen", OPT_LISTEN, '-',
930 "Listen for a DTLS ClientHello with a cookie and then connect"},
9c3bcfa0 931#endif
c2f9648d 932 {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"},
6b01bed2
VD		 933#ifndef OPENSSL_NO_DTLS1
934 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
935#endif
936#ifndef OPENSSL_NO_DTLS1_2
937 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
938#endif
72d0bc84
MC		 939#ifndef OPENSSL_NO_SCTP
940 {"sctp", OPT_SCTP, '-', "Use SCTP"},
09d62b33 941 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
72d0bc84 942#endif
9c3bcfa0
RS		 943#ifndef OPENSSL_NO_DH
944 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
945#endif
9c3bcfa0
RS		 946#ifndef OPENSSL_NO_NEXTPROTONEG
947 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
948 "Set the advertised protocols for the NPN extension (comma-separated list)"},
949#endif
950#ifndef OPENSSL_NO_SRTP
e77bdc73 951 {"use_srtp", OPT_SRTP_PROFILES, 's',
9c3bcfa0 952 "Offer SRTP key management with a colon-separated profile list"},
b07c703f 953#endif
9c3bcfa0
RS		 954 {"alpn", OPT_ALPN, 's',
955 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
9c3bcfa0 956#ifndef OPENSSL_NO_ENGINE
32eabe34 957 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
9c3bcfa0 958#endif
4bf73e9f 959 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
6746648c 960 {"max_early_data", OPT_MAX_EARLY, 'n',
bafe9cf5
MC		 961 "The maximum number of bytes of early data as advertised in tickets"},
962 {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n',
963 "The maximum number of bytes of early data (hard limit)"},
e0655186 964 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
394159da
MC		 965 {"num_tickets", OPT_S_NUM_TICKETS, 'n',
966 "The number of TLSv1.3 session tickets that a server will automatically issue" },
3bb5e5b0
MC		 967 {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"},
968 {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"},
bde136c8 969 {NULL, OPT_EOF, 0, NULL}
7e1b7485
RS		 970};
971
4bbd4ba6
MC		 972#define IS_PROT_FLAG(o) \
973 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
582a17d6 974 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
4bbd4ba6 975
7e1b7485 976int s_server_main(int argc, char *argv[])
0f113f3e 977{
bde136c8 978 ENGINE *engine = NULL;
7e1b7485
RS		 979 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
980 SSL_CONF_CTX *cctx = NULL;
32ec4153 981 const SSL_METHOD *meth = TLS_server_method();
7e1b7485
RS		 982 SSL_EXCERT *exc = NULL;
983 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
984 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
985 STACK_OF(X509_CRL) *crls = NULL;
986 X509 *s_cert = NULL, *s_dcert = NULL;
0f113f3e 987 X509_VERIFY_PARAM *vpm = NULL;
cc696296 988 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
3ee1eac2 989 char *dpassarg = NULL, *dpass = NULL;
7e1b7485 990 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
a7f82a1a 991 char *crl_file = NULL, *prog;
ab69ac00 992#ifdef AF_UNIX
0f113f3e
MC		 993 int unlink_unix_path = 0;
994#endif
a773b52a 995 do_server_cb server_cb;
7e1b7485 996 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
37f3a3b3 997#ifndef OPENSSL_NO_DH
54463e4f 998 char *dhfile = NULL;
37f3a3b3
DSH		 999 int no_dhe = 0;
1000#endif
8caab744 1001 int nocert = 0, ret = 1;
2b6bcb70 1002 int noCApath = 0, noCAfile = 0;
0f113f3e 1003 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
0f113f3e 1004 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
ab69ac00 1005 int rev = 0, naccept = -1, sdebug = 0;
72d0bc84 1006 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
7e1b7485 1007 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
ab69ac00
RL		 1008 char *host = NULL;
1009 char *port = BUF_strdup(PORT);
7e1b7485
RS		 1010 unsigned char *context = NULL;
1011 OPTION_CHOICE o;
0f113f3e
MC		 1012 EVP_PKEY *s_key2 = NULL;
1013 X509 *s_cert2 = NULL;
1014 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
287d0b94 1015 const char *ssl_config = NULL;
dad78fb1 1016 int read_buf_len = 0;
e481f9b9 1017#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC		 1018 const char *next_proto_neg_in = NULL;
1019 tlsextnextprotoctx next_proto = { NULL, 0 };
e481f9b9 1020#endif
0f113f3e
MC		 1021 const char *alpn_in = NULL;
1022 tlsextalpnctx alpn_ctx = { NULL, 0 };
ddac1974 1023#ifndef OPENSSL_NO_PSK
0f113f3e 1024 /* by default do not send a PSK identity hint */
f2ff1432 1025 char *psk_identity_hint = NULL;
ddac1974 1026#endif
14e35350 1027 char *p;
edc032b5 1028#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 1029 char *srpuserseed = NULL;
1030 char *srp_verifier_file = NULL;
edc032b5 1031#endif
dad88680 1032#ifndef OPENSSL_NO_SRTP
1fb6b0bf 1033 char *srtp_profiles = NULL;
dad88680 1034#endif
4bbd4ba6 1035 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
54463e4f
F		 1036 int s_server_verify = SSL_VERIFY_NONE;
1037 int s_server_session_id_context = 1; /* anything will do */
1038 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
1039 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
1040 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
057c676a
RL		 1041#ifndef OPENSSL_NO_OCSP
1042 int s_tlsextstatus = 0;
1043#endif
1044 int no_resume_ephemeral = 0;
28e5ea88 1045 unsigned int max_send_fragment = 0;
54463e4f
F		 1046 unsigned int split_send_fragment = 0, max_pipelines = 0;
1047 const char *s_serverinfo_file = NULL;
4bf73e9f 1048 const char *keylog_file = NULL;
bafe9cf5 1049 int max_early_data = -1, recv_max_early_data = -1;
df894947 1050 char *psksessf = NULL;
09d62b33
MT		 1051#ifndef OPENSSL_NO_SCTP
1052 int sctp_label_bug = 0;
1053#endif
54463e4f
F		 1054
1055 /* Init of few remaining global variables */
0f113f3e
MC		 1056 local_argc = argc;
1057 local_argv = argv;
d02b48c6 1058
54463e4f
F		 1059 ctx = ctx2 = NULL;
1060 s_nbio = s_nbio_test = 0;
1061 www = 0;
1062 bio_s_out = NULL;
1063 s_debug = 0;
1064 s_msg = 0;
1065 s_quiet = 0;
1066 s_brief = 0;
1067 async = 0;
1068
0f113f3e 1069 cctx = SSL_CONF_CTX_new();
7e1b7485
RS		 1070 vpm = X509_VERIFY_PARAM_new();
1071 if (cctx == NULL || vpm == NULL)
0f113f3e 1072 goto end;
d6073e27
F		 1073 SSL_CONF_CTX_set_flags(cctx,
1074 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
7e1b7485
RS		 1075
1076 prog = opt_init(argc, argv, s_server_options);
1077 while ((o = opt_next()) != OPT_EOF) {
4bbd4ba6
MC		 1078 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1079 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1080 goto end;
1081 }
1082 if (IS_NO_PROT_FLAG(o))
1083 no_prot_opt++;
1084 if (prot_opt == 1 && no_prot_opt) {
d6073e27
F		 1085 BIO_printf(bio_err,
1086 "Cannot supply both a protocol flag and '-no_<prot>'\n");
4bbd4ba6
MC		 1087 goto end;
1088 }
7e1b7485
RS		 1089 switch (o) {
1090 case OPT_EOF:
1091 case OPT_ERR:
1092 opthelp:
1093 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1094 goto end;
1095 case OPT_HELP:
1096 opt_help(s_server_options);
1097 ret = 0;
1098 goto end;
0f113f3e 1099
ab69ac00
RL		 1100 case OPT_4:
1101#ifdef AF_UNIX
1102 if (socket_family == AF_UNIX) {
1103 OPENSSL_free(host); host = NULL;
1104 OPENSSL_free(port); port = NULL;
1105 }
1106#endif
1107 socket_family = AF_INET;
1108 break;
1109 case OPT_6:
1110 if (1) {
1111#ifdef AF_INET6
1112#ifdef AF_UNIX
1113 if (socket_family == AF_UNIX) {
1114 OPENSSL_free(host); host = NULL;
1115 OPENSSL_free(port); port = NULL;
1116 }
1117#endif
1118 socket_family = AF_INET6;
1119 } else {
1120#endif
1121 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1122 goto end;
1123 }
1124 break;
7e1b7485 1125 case OPT_PORT:
ab69ac00
RL		 1126#ifdef AF_UNIX
1127 if (socket_family == AF_UNIX) {
1128 socket_family = AF_UNSPEC;
1129 }
1130#endif
1131 OPENSSL_free(port); port = NULL;
1132 OPENSSL_free(host); host = NULL;
1133 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1134 BIO_printf(bio_err,
1135 "%s: -port argument malformed or ambiguous\n",
1136 port);
1137 goto end;
1138 }
1139 break;
1140 case OPT_ACCEPT:
1141#ifdef AF_UNIX
1142 if (socket_family == AF_UNIX) {
1143 socket_family = AF_UNSPEC;
1144 }
1145#endif
1146 OPENSSL_free(port); port = NULL;
1147 OPENSSL_free(host); host = NULL;
1148 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1149 BIO_printf(bio_err,
1150 "%s: -accept argument malformed or ambiguous\n",
1151 port);
7e1b7485 1152 goto end;
ab69ac00 1153 }
7e1b7485 1154 break;
ab69ac00 1155#ifdef AF_UNIX
7e1b7485 1156 case OPT_UNIX:
ab69ac00
RL		 1157 socket_family = AF_UNIX;
1158 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1159 OPENSSL_free(port); port = NULL;
7e1b7485
RS		 1160 break;
1161 case OPT_UNLINK:
0f113f3e 1162 unlink_unix_path = 1;
7e1b7485 1163 break;
ab69ac00 1164#endif
7e1b7485
RS		 1165 case OPT_NACCEPT:
1166 naccept = atol(opt_arg());
1167 break;
1168 case OPT_VERIFY:
0f113f3e 1169 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
acc00492 1170 verify_args.depth = atoi(opt_arg());
0f113f3e 1171 if (!s_quiet)
acc00492 1172 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
7e1b7485
RS		 1173 break;
1174 case OPT_UPPER_V_VERIFY:
0f113f3e
MC		 1175 s_server_verify =
1176 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1177 SSL_VERIFY_CLIENT_ONCE;
acc00492 1178 verify_args.depth = atoi(opt_arg());
0f113f3e
MC		 1179 if (!s_quiet)
1180 BIO_printf(bio_err,
1181 "verify depth is %d, must return a certificate\n",
acc00492 1182 verify_args.depth);
7e1b7485
RS		 1183 break;
1184 case OPT_CONTEXT:
1185 context = (unsigned char *)opt_arg();
1186 break;
1187 case OPT_CERT:
1188 s_cert_file = opt_arg();
1189 break;
a7c04f2b
DB		 1190 case OPT_NAMEOPT:
1191 if (!set_nameopt(opt_arg()))
1192 goto end;
1193 break;
7e1b7485
RS		 1194 case OPT_CRL:
1195 crl_file = opt_arg();
1196 break;
1197 case OPT_CRL_DOWNLOAD:
0f113f3e 1198 crl_download = 1;
7e1b7485 1199 break;
7e1b7485
RS		 1200 case OPT_SERVERINFO:
1201 s_serverinfo_file = opt_arg();
1202 break;
7e1b7485
RS		 1203 case OPT_CERTFORM:
1204 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1205 goto opthelp;
1206 break;
1207 case OPT_KEY:
1208 s_key_file = opt_arg();
1209 break;
1210 case OPT_KEYFORM:
1211 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1212 goto opthelp;
1213 break;
1214 case OPT_PASS:
1215 passarg = opt_arg();
1216 break;
1217 case OPT_CERT_CHAIN:
1218 s_chain_file = opt_arg();
1219 break;
1220 case OPT_DHPARAM:
37f3a3b3 1221#ifndef OPENSSL_NO_DH
7e1b7485 1222 dhfile = opt_arg();
37f3a3b3 1223#endif
7e1b7485
RS		 1224 break;
1225 case OPT_DCERTFORM:
1226 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1227 goto opthelp;
1228 break;
1229 case OPT_DCERT:
1230 s_dcert_file = opt_arg();
1231 break;
1232 case OPT_DKEYFORM:
1233 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1234 goto opthelp;
1235 break;
1236 case OPT_DPASS:
1237 dpassarg = opt_arg();
1238 break;
1239 case OPT_DKEY:
1240 s_dkey_file = opt_arg();
1241 break;
1242 case OPT_DCERT_CHAIN:
1243 s_dchain_file = opt_arg();
1244 break;
1245 case OPT_NOCERT:
0f113f3e 1246 nocert = 1;
7e1b7485
RS		 1247 break;
1248 case OPT_CAPATH:
1249 CApath = opt_arg();
1250 break;
2b6bcb70
MC		 1251 case OPT_NOCAPATH:
1252 noCApath = 1;
1253 break;
7e1b7485
RS		 1254 case OPT_CHAINCAPATH:
1255 chCApath = opt_arg();
1256 break;
1257 case OPT_VERIFYCAPATH:
1258 vfyCApath = opt_arg();
1259 break;
1260 case OPT_NO_CACHE:
0f113f3e 1261 no_cache = 1;
7e1b7485
RS		 1262 break;
1263 case OPT_EXT_CACHE:
0f113f3e 1264 ext_cache = 1;
7e1b7485
RS		 1265 break;
1266 case OPT_CRLFORM:
1267 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1268 goto opthelp;
1269 break;
1270 case OPT_S_CASES:
394159da 1271 case OPT_S_NUM_TICKETS:
3bb5e5b0
MC		 1272 case OPT_ANTI_REPLAY:
1273 case OPT_NO_ANTI_REPLAY:
7e1b7485
RS		 1274 if (ssl_args == NULL)
1275 ssl_args = sk_OPENSSL_STRING_new_null();
1276 if (ssl_args == NULL
1277 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1278 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1279 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1280 goto end;
1281 }
1282 break;
1283 case OPT_V_CASES:
1284 if (!opt_verify(o, vpm))
1285 goto end;
1286 vpmtouched++;
1287 break;
1288 case OPT_X_CASES:
1289 if (!args_excert(o, &exc))
1290 goto end;
1291 break;
1292 case OPT_VERIFY_RET_ERROR:
acc00492 1293 verify_args.return_error = 1;
7e1b7485
RS		 1294 break;
1295 case OPT_VERIFY_QUIET:
acc00492 1296 verify_args.quiet = 1;
7e1b7485
RS		 1297 break;
1298 case OPT_BUILD_CHAIN:
0f113f3e 1299 build_chain = 1;
7e1b7485
RS		 1300 break;
1301 case OPT_CAFILE:
1302 CAfile = opt_arg();
1303 break;
2b6bcb70
MC		 1304 case OPT_NOCAFILE:
1305 noCAfile = 1;
1306 break;
7e1b7485
RS		 1307 case OPT_CHAINCAFILE:
1308 chCAfile = opt_arg();
1309 break;
1310 case OPT_VERIFYCAFILE:
1311 vfyCAfile = opt_arg();
1312 break;
1313 case OPT_NBIO:
0f113f3e 1314 s_nbio = 1;
7e1b7485
RS		 1315 break;
1316 case OPT_NBIO_TEST:
1317 s_nbio = s_nbio_test = 1;
1318 break;
1319 case OPT_IGN_EOF:
0f113f3e 1320 s_ign_eof = 1;
7e1b7485
RS		 1321 break;
1322 case OPT_NO_IGN_EOF:
0f113f3e 1323 s_ign_eof = 0;
7e1b7485
RS		 1324 break;
1325 case OPT_DEBUG:
0f113f3e 1326 s_debug = 1;
7e1b7485 1327 break;
7e1b7485 1328 case OPT_TLSEXTDEBUG:
0f113f3e 1329 s_tlsextdebug = 1;
7e1b7485
RS		 1330 break;
1331 case OPT_STATUS:
057c676a 1332#ifndef OPENSSL_NO_OCSP
0f113f3e 1333 s_tlsextstatus = 1;
057c676a 1334#endif
7e1b7485
RS		 1335 break;
1336 case OPT_STATUS_VERBOSE:
057c676a 1337#ifndef OPENSSL_NO_OCSP
7e1b7485 1338 s_tlsextstatus = tlscstatp.verbose = 1;
057c676a 1339#endif
7e1b7485
RS		 1340 break;
1341 case OPT_STATUS_TIMEOUT:
057c676a 1342#ifndef OPENSSL_NO_OCSP
0f113f3e 1343 s_tlsextstatus = 1;
7e1b7485 1344 tlscstatp.timeout = atoi(opt_arg());
057c676a 1345#endif
7e1b7485
RS		 1346 break;
1347 case OPT_STATUS_URL:
3e41ac35 1348#ifndef OPENSSL_NO_OCSP
0f113f3e 1349 s_tlsextstatus = 1;
7e1b7485 1350 if (!OCSP_parse_url(opt_arg(),
0f113f3e
MC		 1351 &tlscstatp.host,
1352 &tlscstatp.port,
1353 &tlscstatp.path, &tlscstatp.use_ssl)) {
1354 BIO_printf(bio_err, "Error parsing URL\n");
7e1b7485 1355 goto end;
0f113f3e 1356 }
acf65ae5
MC		 1357#endif
1358 break;
1359 case OPT_STATUS_FILE:
1360#ifndef OPENSSL_NO_OCSP
1361 s_tlsextstatus = 1;
1362 tlscstatp.respin = opt_arg();
3e41ac35 1363#endif
7e1b7485 1364 break;
7e1b7485 1365 case OPT_MSG:
0f113f3e 1366 s_msg = 1;
7e1b7485
RS		 1367 break;
1368 case OPT_MSGFILE:
1369 bio_s_msg = BIO_new_file(opt_arg(), "w");
1370 break;
7e1b7485 1371 case OPT_TRACE:
9c3bcfa0 1372#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e 1373 s_msg = 2;
0f113f3e 1374#endif
1c03c81f 1375 break;
7e1b7485 1376 case OPT_SECURITY_DEBUG:
0f113f3e 1377 sdebug = 1;
7e1b7485
RS		 1378 break;
1379 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1380 sdebug = 2;
7e1b7485
RS		 1381 break;
1382 case OPT_STATE:
0f113f3e 1383 state = 1;
7e1b7485
RS		 1384 break;
1385 case OPT_CRLF:
0f113f3e 1386 s_crlf = 1;
7e1b7485
RS		 1387 break;
1388 case OPT_QUIET:
0f113f3e 1389 s_quiet = 1;
7e1b7485
RS		 1390 break;
1391 case OPT_BRIEF:
acc00492 1392 s_quiet = s_brief = verify_args.quiet = 1;
7e1b7485 1393 break;
7e1b7485 1394 case OPT_NO_DHE:
37f3a3b3 1395#ifndef OPENSSL_NO_DH
0f113f3e 1396 no_dhe = 1;
37f3a3b3 1397#endif
7e1b7485 1398 break;
7e1b7485 1399 case OPT_NO_RESUME_EPHEMERAL:
0f113f3e 1400 no_resume_ephemeral = 1;
7e1b7485 1401 break;
720b6cbe 1402 case OPT_PSK_IDENTITY:
720b6cbe 1403 psk_identity = opt_arg();
720b6cbe 1404 break;
7e1b7485 1405 case OPT_PSK_HINT:
6b01bed2 1406#ifndef OPENSSL_NO_PSK
7e1b7485 1407 psk_identity_hint = opt_arg();
6b01bed2 1408#endif
7e1b7485
RS		 1409 break;
1410 case OPT_PSK:
1411 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1412 if (isxdigit(_UC(*p)))
0f113f3e 1413 continue;
e5712012 1414 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
7e1b7485 1415 goto end;
0f113f3e 1416 }
6b01bed2 1417 break;
df894947
MC		 1418 case OPT_PSK_SESS:
1419 psksessf = opt_arg();
1420 break;
7e1b7485 1421 case OPT_SRPVFILE:
6b01bed2 1422#ifndef OPENSSL_NO_SRP
7e1b7485 1423 srp_verifier_file = opt_arg();
0d5301af
KR		 1424 if (min_version < TLS1_VERSION)
1425 min_version = TLS1_VERSION;
6b01bed2 1426#endif
7e1b7485
RS		 1427 break;
1428 case OPT_SRPUSERSEED:
6b01bed2 1429#ifndef OPENSSL_NO_SRP
7e1b7485 1430 srpuserseed = opt_arg();
0d5301af
KR		 1431 if (min_version < TLS1_VERSION)
1432 min_version = TLS1_VERSION;
0f113f3e 1433#endif
6b01bed2 1434 break;
7e1b7485 1435 case OPT_REV:
0f113f3e 1436 rev = 1;
7e1b7485
RS		 1437 break;
1438 case OPT_WWW:
0f113f3e 1439 www = 1;
7e1b7485
RS		 1440 break;
1441 case OPT_UPPER_WWW:
0f113f3e 1442 www = 2;
7e1b7485
RS		 1443 break;
1444 case OPT_HTTP:
0f113f3e 1445 www = 3;
7e1b7485 1446 break;
287d0b94
DSH		 1447 case OPT_SSL_CONFIG:
1448 ssl_config = opt_arg();
1449 break;
7e1b7485 1450 case OPT_SSL3:
0d5301af
KR		 1451 min_version = SSL3_VERSION;
1452 max_version = SSL3_VERSION;
9c3bcfa0 1453 break;
582a17d6
MC		 1454 case OPT_TLS1_3:
1455 min_version = TLS1_3_VERSION;
1456 max_version = TLS1_3_VERSION;
1457 break;
7e1b7485 1458 case OPT_TLS1_2:
0d5301af
KR		 1459 min_version = TLS1_2_VERSION;
1460 max_version = TLS1_2_VERSION;
7e1b7485
RS		 1461 break;
1462 case OPT_TLS1_1:
0d5301af
KR		 1463 min_version = TLS1_1_VERSION;
1464 max_version = TLS1_1_VERSION;
7e1b7485
RS		 1465 break;
1466 case OPT_TLS1:
0d5301af
KR		 1467 min_version = TLS1_VERSION;
1468 max_version = TLS1_VERSION;
7e1b7485 1469 break;
7e1b7485 1470 case OPT_DTLS:
6b01bed2 1471#ifndef OPENSSL_NO_DTLS
4407d070 1472 meth = DTLS_server_method();
0f113f3e 1473 socket_type = SOCK_DGRAM;
6b01bed2 1474#endif
7e1b7485
RS		 1475 break;
1476 case OPT_DTLS1:
0d5301af
KR		 1477#ifndef OPENSSL_NO_DTLS
1478 meth = DTLS_server_method();
1479 min_version = DTLS1_VERSION;
1480 max_version = DTLS1_VERSION;
0f113f3e 1481 socket_type = SOCK_DGRAM;
6b01bed2 1482#endif
7e1b7485
RS		 1483 break;
1484 case OPT_DTLS1_2:
0d5301af
KR		 1485#ifndef OPENSSL_NO_DTLS
1486 meth = DTLS_server_method();
1487 min_version = DTLS1_2_VERSION;
1488 max_version = DTLS1_2_VERSION;
0f113f3e 1489 socket_type = SOCK_DGRAM;
72d0bc84
MC		 1490#endif
1491 break;
1492 case OPT_SCTP:
1493#ifndef OPENSSL_NO_SCTP
1494 protocol = IPPROTO_SCTP;
09d62b33
MT		 1495#endif
1496 break;
1497 case OPT_SCTP_LABEL_BUG:
1498#ifndef OPENSSL_NO_SCTP
1499 sctp_label_bug = 1;
6b01bed2 1500#endif
7e1b7485
RS		 1501 break;
1502 case OPT_TIMEOUT:
6b01bed2 1503#ifndef OPENSSL_NO_DTLS
0f113f3e 1504 enable_timeouts = 1;
6b01bed2 1505#endif
7e1b7485
RS		 1506 break;
1507 case OPT_MTU:
6b01bed2 1508#ifndef OPENSSL_NO_DTLS
7e1b7485 1509 socket_mtu = atol(opt_arg());
6b01bed2 1510#endif
7e1b7485 1511 break;
fd4e98ec 1512 case OPT_LISTEN:
6b01bed2 1513#ifndef OPENSSL_NO_DTLS
fd4e98ec 1514 dtlslisten = 1;
0f113f3e 1515#endif
6b01bed2 1516 break;
c2f9648d
MC		 1517 case OPT_STATELESS:
1518 stateless = 1;
1519 break;
7e1b7485
RS		 1520 case OPT_ID_PREFIX:
1521 session_id_prefix = opt_arg();
1522 break;
1523 case OPT_ENGINE:
bde136c8 1524 engine = setup_engine(opt_arg(), 1);
7e1b7485 1525 break;
3ee1eac2
RS		 1526 case OPT_R_CASES:
1527 if (!opt_rand(o))
1528 goto end;
7e1b7485 1529 break;
7e1b7485
RS		 1530 case OPT_SERVERNAME:
1531 tlsextcbp.servername = opt_arg();
1532 break;
1533 case OPT_SERVERNAME_FATAL:
0f113f3e 1534 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
7e1b7485
RS		 1535 break;
1536 case OPT_CERT2:
1537 s_cert_file2 = opt_arg();
1538 break;
1539 case OPT_KEY2:
1540 s_key_file2 = opt_arg();
1541 break;
7e1b7485 1542 case OPT_NEXTPROTONEG:
9c3bcfa0 1543# ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485 1544 next_proto_neg_in = opt_arg();
e481f9b9 1545#endif
9c3bcfa0 1546 break;
7e1b7485
RS		 1547 case OPT_ALPN:
1548 alpn_in = opt_arg();
1549 break;
7e1b7485 1550 case OPT_SRTP_PROFILES:
dad88680 1551#ifndef OPENSSL_NO_SRTP
7e1b7485 1552 srtp_profiles = opt_arg();
dad88680 1553#endif
d6316025 1554 break;
7e1b7485
RS		 1555 case OPT_KEYMATEXPORT:
1556 keymatexportlabel = opt_arg();
1557 break;
1558 case OPT_KEYMATEXPORTLEN:
1559 keymatexportlen = atoi(opt_arg());
0f113f3e 1560 break;
7e25dd6d
MC		 1561 case OPT_ASYNC:
1562 async = 1;
1563 break;
28e5ea88
F		 1564 case OPT_MAX_SEND_FRAG:
1565 max_send_fragment = atoi(opt_arg());
28e5ea88 1566 break;
032c6d21
MC		 1567 case OPT_SPLIT_SEND_FRAG:
1568 split_send_fragment = atoi(opt_arg());
032c6d21
MC		 1569 break;
1570 case OPT_MAX_PIPELINES:
1571 max_pipelines = atoi(opt_arg());
1572 break;
dad78fb1
MC		 1573 case OPT_READ_BUF:
1574 read_buf_len = atoi(opt_arg());
1575 break;
4bf73e9f
PW		 1576 case OPT_KEYLOG_FILE:
1577 keylog_file = opt_arg();
1578 break;
048b1893
MC		 1579 case OPT_MAX_EARLY:
1580 max_early_data = atoi(opt_arg());
6746648c
MC		 1581 if (max_early_data < 0) {
1582 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1583 goto end;
1584 }
048b1893 1585 break;
bafe9cf5
MC		 1586 case OPT_RECV_MAX_EARLY:
1587 recv_max_early_data = atoi(opt_arg());
1588 if (recv_max_early_data < 0) {
1589 BIO_printf(bio_err, "Invalid value for recv_max_early_data\n");
1590 goto end;
1591 }
1592 break;
e0655186
MC		 1593 case OPT_EARLY_DATA:
1594 early_data = 1;
c39e4048
BK		 1595 if (max_early_data == -1)
1596 max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
e0655186 1597 break;
0f113f3e 1598 }
0f113f3e 1599 }
7e1b7485
RS		 1600 argc = opt_num_rest();
1601 argv = opt_rest();
1602
837f87c2
PY		 1603#ifndef OPENSSL_NO_NEXTPROTONEG
1604 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1605 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1606 goto opthelp;
1607 }
1608#endif
a5ecdc6a 1609#ifndef OPENSSL_NO_DTLS
0f113f3e
MC		 1610 if (www && socket_type == SOCK_DGRAM) {
1611 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1612 goto end;
1613 }
fd4e98ec
MC		 1614
1615 if (dtlslisten && socket_type != SOCK_DGRAM) {
1616 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1617 goto end;
1618 }
0f113f3e
MC		 1619#endif
1620
c2f9648d
MC		 1621 if (stateless && socket_type != SOCK_STREAM) {
1622 BIO_printf(bio_err, "Can only use --stateless with TLS\n");
1623 goto end;
1624 }
1625
ab69ac00
RL		 1626#ifdef AF_UNIX
1627 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC		 1628 BIO_printf(bio_err,
1629 "Can't use unix sockets and datagrams together\n");
1630 goto end;
1631 }
ab69ac00 1632#endif
6ef40f1f
MC		 1633 if (early_data && (www > 0 || rev)) {
1634 BIO_printf(bio_err,
1635 "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n");
1636 goto end;
1637 }
2900fc8a 1638
72d0bc84
MC		 1639#ifndef OPENSSL_NO_SCTP
1640 if (protocol == IPPROTO_SCTP) {
1641 if (socket_type != SOCK_DGRAM) {
1642 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1643 goto end;
1644 }
1645 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1646 socket_type = SOCK_STREAM;
1647 }
1648#endif
032c6d21 1649
7e1b7485 1650 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
0f113f3e
MC		 1651 BIO_printf(bio_err, "Error getting password\n");
1652 goto end;
1653 }
826a42a0 1654
0f113f3e
MC		 1655 if (s_key_file == NULL)
1656 s_key_file = s_cert_file;
e481f9b9 1657
0f113f3e
MC		 1658 if (s_key_file2 == NULL)
1659 s_key_file2 = s_cert_file2;
ed3883d2 1660
7e1b7485 1661 if (!load_excert(&exc))
0f113f3e
MC		 1662 goto end;
1663
1664 if (nocert == 0) {
bde136c8 1665 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
0f113f3e 1666 "server certificate private key file");
2234212c 1667 if (s_key == NULL) {
0f113f3e
MC		 1668 ERR_print_errors(bio_err);
1669 goto end;
1670 }
826a42a0 1671
7e1b7485 1672 s_cert = load_cert(s_cert_file, s_cert_format,
a773b52a 1673 "server certificate file");
0f113f3e 1674
2234212c 1675 if (s_cert == NULL) {
0f113f3e
MC		 1676 ERR_print_errors(bio_err);
1677 goto end;
1678 }
2234212c 1679 if (s_chain_file != NULL) {
a773b52a 1680 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
0996dc54 1681 "server certificate chain"))
0f113f3e
MC		 1682 goto end;
1683 }
e481f9b9 1684
2234212c 1685 if (tlsextcbp.servername != NULL) {
bde136c8 1686 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
0f113f3e 1687 "second server certificate private key file");
2234212c 1688 if (s_key2 == NULL) {
0f113f3e
MC		 1689 ERR_print_errors(bio_err);
1690 goto end;
1691 }
1692
7e1b7485 1693 s_cert2 = load_cert(s_cert_file2, s_cert_format,
a773b52a 1694 "second server certificate file");
0f113f3e 1695
2234212c 1696 if (s_cert2 == NULL) {
0f113f3e
MC		 1697 ERR_print_errors(bio_err);
1698 goto end;
1699 }
1700 }
0f113f3e 1701 }
e481f9b9 1702#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e 1703 if (next_proto_neg_in) {
f2ff1432 1704 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
0f113f3e
MC		 1705 if (next_proto.data == NULL)
1706 goto end;
0f113f3e 1707 }
e481f9b9 1708#endif
0f113f3e
MC		 1709 alpn_ctx.data = NULL;
1710 if (alpn_in) {
f2ff1432 1711 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
0f113f3e
MC		 1712 if (alpn_ctx.data == NULL)
1713 goto end;
0f113f3e 1714 }
0f113f3e 1715
2234212c 1716 if (crl_file != NULL) {
0f113f3e
MC		 1717 X509_CRL *crl;
1718 crl = load_crl(crl_file, crl_format);
2234212c 1719 if (crl == NULL) {
0f113f3e
MC		 1720 BIO_puts(bio_err, "Error loading CRL\n");
1721 ERR_print_errors(bio_err);
1722 goto end;
1723 }
1724 crls = sk_X509_CRL_new_null();
2234212c 1725 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1726 BIO_puts(bio_err, "Error adding CRL\n");
1727 ERR_print_errors(bio_err);
1728 X509_CRL_free(crl);
1729 goto end;
1730 }
1731 }
1732
2234212c 1733 if (s_dcert_file != NULL) {
d02b48c6 1734
0f113f3e
MC		 1735 if (s_dkey_file == NULL)
1736 s_dkey_file = s_dcert_file;
1737
7e1b7485 1738 s_dkey = load_key(s_dkey_file, s_dkey_format,
bde136c8 1739 0, dpass, engine, "second certificate private key file");
2234212c 1740 if (s_dkey == NULL) {
0f113f3e
MC		 1741 ERR_print_errors(bio_err);
1742 goto end;
1743 }
1744
7e1b7485 1745 s_dcert = load_cert(s_dcert_file, s_dcert_format,
a773b52a 1746 "second server certificate file");
0f113f3e 1747
2234212c 1748 if (s_dcert == NULL) {
0f113f3e
MC		 1749 ERR_print_errors(bio_err);
1750 goto end;
1751 }
2234212c 1752 if (s_dchain_file != NULL) {
a773b52a 1753 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
0996dc54 1754 "second server certificate chain"))
0f113f3e
MC		 1755 goto end;
1756 }
1757
1758 }
1759
0f113f3e
MC		 1760 if (bio_s_out == NULL) {
1761 if (s_quiet && !s_debug) {
1762 bio_s_out = BIO_new(BIO_s_null());
2234212c 1763 if (s_msg && bio_s_msg == NULL)
a60994df 1764 bio_s_msg = dup_bio_out(FORMAT_TEXT);
0f113f3e
MC		 1765 } else {
1766 if (bio_s_out == NULL)
a60994df 1767 bio_s_out = dup_bio_out(FORMAT_TEXT);
0f113f3e
MC		 1768 }
1769 }
10bf4fc2 1770#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
0f113f3e 1771 if (nocert)
d02b48c6 1772#endif
0f113f3e
MC		 1773 {
1774 s_cert_file = NULL;
1775 s_key_file = NULL;
1776 s_dcert_file = NULL;
1777 s_dkey_file = NULL;
0f113f3e
MC		 1778 s_cert_file2 = NULL;
1779 s_key_file2 = NULL;
0f113f3e
MC		 1780 }
1781
1782 ctx = SSL_CTX_new(meth);
0f113f3e
MC		 1783 if (ctx == NULL) {
1784 ERR_print_errors(bio_err);
1785 goto end;
1786 }
693cf80c
KR		 1787
1788 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1789
32eabe34
MR		 1790 if (sdebug)
1791 ssl_ctx_security_debug(ctx, sdebug);
8f8be103
RL		 1792
1793 if (!config_ctx(cctx, ssl_args, ctx))
1794 goto end;
1795
287d0b94
DSH		 1796 if (ssl_config) {
1797 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1798 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1799 ssl_config);
d6073e27
F		 1800 ERR_print_errors(bio_err);
1801 goto end;
287d0b94
DSH		 1802 }
1803 }
09d62b33
MT		 1804
1805#ifndef OPENSSL_NO_SCTP
1806 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1807 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1808#endif
1809
8f8be103
RL		 1810 if (min_version != 0
1811 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
0d5301af 1812 goto end;
8f8be103
RL		 1813 if (max_version != 0
1814 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
0d5301af 1815 goto end;
287d0b94 1816
0f113f3e
MC		 1817 if (session_id_prefix) {
1818 if (strlen(session_id_prefix) >= 32)
1819 BIO_printf(bio_err,
1820 "warning: id_prefix is too long, only one new session will be possible\n");
1821 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1822 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1823 ERR_print_errors(bio_err);
1824 goto end;
1825 }
1826 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1827 }
1828 SSL_CTX_set_quiet_shutdown(ctx, 1);
2234212c 1829 if (exc != NULL)
0f113f3e 1830 ssl_ctx_set_excert(ctx, exc);
0f113f3e
MC		 1831
1832 if (state)
1833 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1834 if (no_cache)
1835 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1836 else if (ext_cache)
1837 init_session_cache_ctx(ctx);
1838 else
1839 SSL_CTX_sess_set_cache_size(ctx, 128);
58964a49 1840
252d6d3a 1841 if (async) {
7e25dd6d 1842 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
252d6d3a 1843 }
28e5ea88 1844
36b2cfb1
F		 1845 if (max_send_fragment > 0
1846 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1847 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1848 prog, max_send_fragment);
1849 goto end;
1850 }
28e5ea88 1851
36b2cfb1
F		 1852 if (split_send_fragment > 0
1853 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1854 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1855 prog, split_send_fragment);
1856 goto end;
032c6d21 1857 }
36b2cfb1
F		 1858 if (max_pipelines > 0
1859 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1860 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1861 prog, max_pipelines);
1862 goto end;
032c6d21 1863 }
7e25dd6d 1864
dad78fb1
MC		 1865 if (read_buf_len > 0) {
1866 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1867 }
e783bae2 1868#ifndef OPENSSL_NO_SRTP
ac59d705 1869 if (srtp_profiles != NULL) {
7e1b7485
RS		 1870 /* Returns 0 on success! */
1871 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1872 BIO_printf(bio_err, "Error setting SRTP profile\n");
1873 ERR_print_errors(bio_err);
1874 goto end;
1875 }
1876 }
e783bae2 1877#endif
333f926d 1878
2b6bcb70 1879 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
0f113f3e 1880 ERR_print_errors(bio_err);
7e1b7485 1881 goto end;
0f113f3e 1882 }
7e1b7485
RS		 1883 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1884 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC		 1885 ERR_print_errors(bio_err);
1886 goto end;
1887 }
0f113f3e
MC		 1888
1889 ssl_ctx_add_crls(ctx, crls, 0);
0f113f3e
MC		 1890
1891 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1892 crls, crl_download)) {
1893 BIO_printf(bio_err, "Error loading store locations\n");
1894 ERR_print_errors(bio_err);
1895 goto end;
1896 }
e481f9b9 1897
0f113f3e
MC		 1898 if (s_cert2) {
1899 ctx2 = SSL_CTX_new(meth);
1900 if (ctx2 == NULL) {
1901 ERR_print_errors(bio_err);
1902 goto end;
1903 }
1904 }
1905
2234212c 1906 if (ctx2 != NULL) {
0f113f3e
MC		 1907 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1908
1909 if (sdebug)
ecf3a1fb 1910 ssl_ctx_security_debug(ctx, sdebug);
0f113f3e
MC		 1911
1912 if (session_id_prefix) {
1913 if (strlen(session_id_prefix) >= 32)
1914 BIO_printf(bio_err,
1915 "warning: id_prefix is too long, only one new session will be possible\n");
1916 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1917 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1918 ERR_print_errors(bio_err);
1919 goto end;
1920 }
1921 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1922 }
1923 SSL_CTX_set_quiet_shutdown(ctx2, 1);
2234212c 1924 if (exc != NULL)
0f113f3e 1925 ssl_ctx_set_excert(ctx2, exc);
0f113f3e
MC		 1926
1927 if (state)
1928 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1929
1930 if (no_cache)
1931 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1932 else if (ext_cache)
1933 init_session_cache_ctx(ctx2);
1934 else
1935 SSL_CTX_sess_set_cache_size(ctx2, 128);
1936
7e25dd6d 1937 if (async)
f4da39d2 1938 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
7e25dd6d 1939
f65a8c1e
DSH		 1940 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1941 noCApath)) {
0f113f3e 1942 ERR_print_errors(bio_err);
f65a8c1e 1943 goto end;
0f113f3e 1944 }
7e1b7485
RS		 1945 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1946 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC		 1947 ERR_print_errors(bio_err);
1948 goto end;
1949 }
ee2ffc27 1950
0f113f3e 1951 ssl_ctx_add_crls(ctx2, crls, 0);
dba31777 1952 if (!config_ctx(cctx, ssl_args, ctx2))
0f113f3e
MC		 1953 goto end;
1954 }
e481f9b9 1955#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC		 1956 if (next_proto.data)
1957 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1958 &next_proto);
e481f9b9 1959#endif
0f113f3e
MC		 1960 if (alpn_ctx.data)
1961 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
b1277b99 1962
cf1b7d96 1963#ifndef OPENSSL_NO_DH
0f113f3e
MC		 1964 if (!no_dhe) {
1965 DH *dh = NULL;
1966
2234212c 1967 if (dhfile != NULL)
0f113f3e 1968 dh = load_dh_param(dhfile);
2234212c 1969 else if (s_cert_file != NULL)
0f113f3e
MC		 1970 dh = load_dh_param(s_cert_file);
1971
1972 if (dh != NULL) {
1973 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1974 } else {
1975 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1976 }
1977 (void)BIO_flush(bio_s_out);
1978
2234212c 1979 if (dh == NULL) {
0f113f3e 1980 SSL_CTX_set_dh_auto(ctx, 1);
2234212c 1981 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
0f113f3e
MC		 1982 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1983 ERR_print_errors(bio_err);
1984 DH_free(dh);
1985 goto end;
1986 }
e481f9b9 1987
2234212c 1988 if (ctx2 != NULL) {
0f113f3e
MC		 1989 if (!dhfile) {
1990 DH *dh2 = load_dh_param(s_cert_file2);
1991 if (dh2 != NULL) {
1992 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1993 (void)BIO_flush(bio_s_out);
1994
1995 DH_free(dh);
1996 dh = dh2;
1997 }
1998 }
2234212c 1999 if (dh == NULL) {
0f113f3e 2000 SSL_CTX_set_dh_auto(ctx2, 1);
2234212c 2001 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
0f113f3e
MC		 2002 BIO_puts(bio_err, "Error setting temp DH parameters\n");
2003 ERR_print_errors(bio_err);
2004 DH_free(dh);
2005 goto end;
2006 }
2007 }
0f113f3e
MC		 2008 DH_free(dh);
2009 }
ed3883d2 2010#endif
d02b48c6 2011
0f113f3e
MC		 2012 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
2013 goto end;
e481f9b9 2014
0f113f3e
MC		 2015 if (s_serverinfo_file != NULL
2016 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
2017 ERR_print_errors(bio_err);
2018 goto end;
2019 }
e481f9b9 2020
2234212c
PY		 2021 if (ctx2 != NULL
2022 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
0f113f3e 2023 goto end;
e481f9b9 2024
0f113f3e
MC		 2025 if (s_dcert != NULL) {
2026 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
2027 goto end;
2028 }
d02b48c6 2029
0f113f3e
MC		 2030 if (no_resume_ephemeral) {
2031 SSL_CTX_set_not_resumable_session_callback(ctx,
2032 not_resumable_sess_cb);
e481f9b9 2033
2234212c 2034 if (ctx2 != NULL)
0f113f3e
MC		 2035 SSL_CTX_set_not_resumable_session_callback(ctx2,
2036 not_resumable_sess_cb);
0f113f3e 2037 }
ddac1974 2038#ifndef OPENSSL_NO_PSK
b5292f7b 2039 if (psk_key != NULL) {
0f113f3e 2040 if (s_debug)
d6073e27 2041 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
0f113f3e
MC		 2042 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2043 }
ddac1974 2044
0f113f3e
MC		 2045 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
2046 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
2047 ERR_print_errors(bio_err);
2048 goto end;
2049 }
ddac1974 2050#endif
df894947
MC		 2051 if (psksessf != NULL) {
2052 BIO *stmp = BIO_new_file(psksessf, "r");
2053
2054 if (stmp == NULL) {
2055 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
2056 ERR_print_errors(bio_err);
2057 goto end;
2058 }
2059 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2060 BIO_free(stmp);
2061 if (psksess == NULL) {
2062 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
2063 ERR_print_errors(bio_err);
2064 goto end;
2065 }
5ffff599 2066
df894947 2067 }
ddac1974 2068
5ffff599
MC		 2069 if (psk_key != NULL || psksess != NULL)
2070 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
2071
0f113f3e 2072 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
61986d32 2073 if (!SSL_CTX_set_session_id_context(ctx,
d6073e27 2074 (void *)&s_server_session_id_context,
cbe29648 2075 sizeof(s_server_session_id_context))) {
ac59d705
MC		 2076 BIO_printf(bio_err, "error setting session id context\n");
2077 ERR_print_errors(bio_err);
2078 goto end;
2079 }
d02b48c6 2080
0f113f3e
MC		 2081 /* Set DTLS cookie generation and verification callbacks */
2082 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2083 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
07a9d1a2 2084
3fa2812f
BS		 2085 /* Set TLS1.3 cookie generation and verification callbacks */
2086 SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback);
2087 SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback);
2088
2234212c 2089 if (ctx2 != NULL) {
0f113f3e 2090 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
61986d32 2091 if (!SSL_CTX_set_session_id_context(ctx2,
7e1b7485 2092 (void *)&s_server_session_id_context,
cbe29648 2093 sizeof(s_server_session_id_context))) {
ac59d705
MC		 2094 BIO_printf(bio_err, "error setting session id context\n");
2095 ERR_print_errors(bio_err);
2096 goto end;
2097 }
0f113f3e
MC		 2098 tlsextcbp.biodebug = bio_s_out;
2099 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2100 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2101 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2102 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2103 }
f1fd4544 2104
edc032b5 2105#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2106 if (srp_verifier_file != NULL) {
2107 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2108 srp_callback_parm.user = NULL;
2109 srp_callback_parm.login = NULL;
2110 if ((ret =
2111 SRP_VBASE_init(srp_callback_parm.vb,
2112 srp_verifier_file)) != SRP_NO_ERROR) {
2113 BIO_printf(bio_err,
2114 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2115 srp_verifier_file, ret);
2116 goto end;
2117 }
2118 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2119 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2120 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2121 } else
2122#endif
2123 if (CAfile != NULL) {
2124 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
e481f9b9 2125
0f113f3e
MC		 2126 if (ctx2)
2127 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
0f113f3e 2128 }
3e41ac35 2129#ifndef OPENSSL_NO_OCSP
be0c0361
AE		 2130 if (s_tlsextstatus) {
2131 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2132 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2133 if (ctx2) {
2134 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2135 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2136 }
2137 }
3e41ac35 2138#endif
4bf73e9f
PW		 2139 if (set_keylog_file(ctx, keylog_file))
2140 goto end;
0f113f3e 2141
6746648c 2142 if (max_early_data >= 0)
048b1893 2143 SSL_CTX_set_max_early_data(ctx, max_early_data);
bafe9cf5
MC		 2144 if (recv_max_early_data >= 0)
2145 SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data);
048b1893 2146
0f113f3e
MC		 2147 if (rev)
2148 server_cb = rev_body;
2149 else if (www)
2150 server_cb = www_body;
2151 else
2152 server_cb = sv_body;
ab69ac00
RL		 2153#ifdef AF_UNIX
2154 if (socket_family == AF_UNIX
2155 && unlink_unix_path)
2156 unlink(host);
0f113f3e 2157#endif
72d0bc84 2158 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
5540eb70 2159 server_cb, context, naccept, bio_s_out);
0f113f3e
MC		 2160 print_stats(bio_s_out, ctx);
2161 ret = 0;
2162 end:
62adbcee 2163 SSL_CTX_free(ctx);
9561e2a1 2164 SSL_SESSION_free(psksess);
4bf73e9f 2165 set_keylog_file(NULL, NULL);
222561fe
RS		 2166 X509_free(s_cert);
2167 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2168 X509_free(s_dcert);
c5ba2d99
RS		 2169 EVP_PKEY_free(s_key);
2170 EVP_PKEY_free(s_dkey);
222561fe
RS		 2171 sk_X509_pop_free(s_chain, X509_free);
2172 sk_X509_pop_free(s_dchain, X509_free);
25aaa98a
RS		 2173 OPENSSL_free(pass);
2174 OPENSSL_free(dpass);
ab69ac00
RL		 2175 OPENSSL_free(host);
2176 OPENSSL_free(port);
222561fe 2177 X509_VERIFY_PARAM_free(vpm);
0f113f3e 2178 free_sessions();
25aaa98a
RS		 2179 OPENSSL_free(tlscstatp.host);
2180 OPENSSL_free(tlscstatp.port);
2181 OPENSSL_free(tlscstatp.path);
62adbcee 2182 SSL_CTX_free(ctx2);
222561fe 2183 X509_free(s_cert2);
c5ba2d99 2184 EVP_PKEY_free(s_key2);
e481f9b9 2185#ifndef OPENSSL_NO_NEXTPROTONEG
25aaa98a 2186 OPENSSL_free(next_proto.data);
0f113f3e 2187#endif
e481f9b9 2188 OPENSSL_free(alpn_ctx.data);
0f113f3e 2189 ssl_excert_free(exc);
7e1b7485 2190 sk_OPENSSL_STRING_free(ssl_args);
62adbcee 2191 SSL_CONF_CTX_free(cctx);
dd1abd44 2192 release_engine(engine);
ca3a82c3
RS		 2193 BIO_free(bio_s_out);
2194 bio_s_out = NULL;
2195 BIO_free(bio_s_msg);
2196 bio_s_msg = NULL;
5fd1478d
MC		 2197#ifdef CHARSET_EBCDIC
2198 BIO_meth_free(methods_ebcdic);
2199#endif
26a7d938 2200 return ret;
0f113f3e 2201}
d02b48c6 2202
6b691a5c 2203static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
0f113f3e
MC		 2204{
2205 BIO_printf(bio, "%4ld items in the session cache\n",
2206 SSL_CTX_sess_number(ssl_ctx));
2207 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2208 SSL_CTX_sess_connect(ssl_ctx));
2209 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2210 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2211 BIO_printf(bio, "%4ld client connects that finished\n",
2212 SSL_CTX_sess_connect_good(ssl_ctx));
2213 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2214 SSL_CTX_sess_accept(ssl_ctx));
2215 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2216 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2217 BIO_printf(bio, "%4ld server accepts that finished\n",
2218 SSL_CTX_sess_accept_good(ssl_ctx));
2219 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2220 BIO_printf(bio, "%4ld session cache misses\n",
2221 SSL_CTX_sess_misses(ssl_ctx));
2222 BIO_printf(bio, "%4ld session cache timeouts\n",
2223 SSL_CTX_sess_timeouts(ssl_ctx));
2224 BIO_printf(bio, "%4ld callback cache hits\n",
2225 SSL_CTX_sess_cb_hits(ssl_ctx));
2226 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2227 SSL_CTX_sess_cache_full(ssl_ctx),
2228 SSL_CTX_sess_get_cache_size(ssl_ctx));
2229}
d02b48c6 2230
72d0bc84 2231static int sv_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 2232{
2233 char *buf = NULL;
2234 fd_set readfds;
2235 int ret = 1, width;
2236 int k, i;
2237 unsigned long l;
2238 SSL *con = NULL;
2239 BIO *sbio;
0f113f3e 2240 struct timeval timeout;
ff25dd1a 2241#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS))
0f113f3e 2242 struct timeval *timeoutp;
06f4536a 2243#endif
72d0bc84 2244#ifndef OPENSSL_NO_DTLS
d88ab353 2245# ifndef OPENSSL_NO_SCTP
72d0bc84 2246 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
d88ab353 2247# else
72d0bc84 2248 int isdtls = (stype == SOCK_DGRAM);
d88ab353 2249# endif
72d0bc84 2250#endif
d02b48c6 2251
68dc6824 2252 buf = app_malloc(bufsize, "server buffer");
0f113f3e 2253 if (s_nbio) {
ba810815 2254 if (!BIO_socket_nbio(s, 1))
0f113f3e 2255 ERR_print_errors(bio_err);
ba810815
RS		 2256 else if (!s_quiet)
2257 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 2258 }
d02b48c6 2259
f84a648c 2260 con = SSL_new(ctx);
0f113f3e 2261 if (con == NULL) {
f84a648c
K		 2262 ret = -1;
2263 goto err;
2264 }
e481f9b9 2265
f84a648c
K		 2266 if (s_tlsextdebug) {
2267 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2268 SSL_set_tlsext_debug_arg(con, bio_s_out);
2269 }
e481f9b9 2270
f84a648c
K		 2271 if (context != NULL
2272 && !SSL_set_session_id_context(con, context,
2273 strlen((char *)context))) {
2274 BIO_printf(bio_err, "Error setting session id context\n");
2275 ret = -1;
2276 goto err;
ac59d705 2277 }
f84a648c 2278
61986d32 2279 if (!SSL_clear(con)) {
ac59d705
MC		 2280 BIO_printf(bio_err, "Error clearing SSL connection\n");
2281 ret = -1;
2282 goto err;
0f113f3e 2283 }
a7a14a23 2284#ifndef OPENSSL_NO_DTLS
72d0bc84 2285 if (isdtls) {
d88ab353 2286# ifndef OPENSSL_NO_SCTP
72d0bc84
MC		 2287 if (prot == IPPROTO_SCTP)
2288 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2289 else
d88ab353 2290# endif
72d0bc84 2291 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
0f113f3e
MC		 2292
2293 if (enable_timeouts) {
2294 timeout.tv_sec = 0;
2295 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2296 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2297
2298 timeout.tv_sec = 0;
2299 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2300 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2301 }
2302
2303 if (socket_mtu) {
2304 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2305 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2306 DTLS_get_link_min_mtu(con));
2307 ret = -1;
2308 BIO_free(sbio);
2309 goto err;
2310 }
2311 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2312 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2313 BIO_printf(bio_err, "Failed to set MTU\n");
2314 ret = -1;
2315 BIO_free(sbio);
2316 goto err;
2317 }
2318 } else
2319 /* want to do MTU discovery */
2320 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
36d16f8e 2321
a5eef31e 2322# ifndef OPENSSL_NO_SCTP
1b3011ab
MC		 2323 if (prot != IPPROTO_SCTP)
2324# endif
72d0bc84
MC		 2325 /* Turn on cookie exchange. Not necessary for SCTP */
2326 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
0f113f3e 2327 } else
a7a14a23 2328#endif
0f113f3e 2329 sbio = BIO_new_socket(s, BIO_NOCLOSE);
36d16f8e 2330
72d0bc84
MC		 2331 if (sbio == NULL) {
2332 BIO_printf(bio_err, "Unable to create BIO\n");
2333 ERR_print_errors(bio_err);
2334 goto err;
2335 }
2336
0f113f3e
MC		 2337 if (s_nbio_test) {
2338 BIO *test;
d02b48c6 2339
0f113f3e
MC		 2340 test = BIO_new(BIO_f_nbio_test());
2341 sbio = BIO_push(test, sbio);
2342 }
0f113f3e
MC		 2343
2344 SSL_set_bio(con, sbio, sbio);
2345 SSL_set_accept_state(con);
2346 /* SSL_set_fd(con,s); */
2347
2348 if (s_debug) {
0f113f3e
MC		 2349 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2350 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2351 }
2352 if (s_msg) {
93ab9e42 2353#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 2354 if (s_msg == 2)
2355 SSL_set_msg_callback(con, SSL_trace);
2356 else
93ab9e42 2357#endif
0f113f3e
MC		 2358 SSL_set_msg_callback(con, msg_cb);
2359 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2360 }
e481f9b9 2361
0f113f3e
MC		 2362 if (s_tlsextdebug) {
2363 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2364 SSL_set_tlsext_debug_arg(con, bio_s_out);
2365 }
d02b48c6 2366
e0655186 2367 if (early_data) {
f533fbd4 2368 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
e0655186
MC		 2369 size_t readbytes;
2370
f533fbd4 2371 while (edret != SSL_READ_EARLY_DATA_FINISH) {
e0655186 2372 for (;;) {
f533fbd4
MC		 2373 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2374 if (edret != SSL_READ_EARLY_DATA_ERROR)
e0655186
MC		 2375 break;
2376
2377 switch (SSL_get_error(con, 0)) {
2378 case SSL_ERROR_WANT_WRITE:
2379 case SSL_ERROR_WANT_ASYNC:
2380 case SSL_ERROR_WANT_READ:
2381 /* Just keep trying - busy waiting */
2382 continue;
2383 default:
2384 BIO_printf(bio_err, "Error reading early data\n");
2385 ERR_print_errors(bio_err);
2386 goto err;
2387 }
2388 }
2389 if (readbytes > 0) {
2390 if (write_header) {
2391 BIO_printf(bio_s_out, "Early data received:\n");
2392 write_header = 0;
2393 }
2394 raw_write_stdout(buf, (unsigned int)readbytes);
2395 (void)BIO_flush(bio_s_out);
2396 }
2397 }
3b587356
MC		 2398 if (write_header) {
2399 if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT)
2400 BIO_printf(bio_s_out, "No early data received\n");
2401 else
2402 BIO_printf(bio_s_out, "Early data was rejected\n");
2403 } else {
e0655186 2404 BIO_printf(bio_s_out, "\nEnd of early data\n");
3b587356 2405 }
ade1e888
MC		 2406 if (SSL_is_init_finished(con))
2407 print_connection_info(con);
e0655186
MC		 2408 }
2409
51e5133d
RL		 2410 if (fileno_stdin() > s)
2411 width = fileno_stdin() + 1;
c7bdb6a3
RL		 2412 else
2413 width = s + 1;
0f113f3e
MC		 2414 for (;;) {
2415 int read_from_terminal;
2416 int read_from_sslcon;
a2a01589 2417
0f113f3e 2418 read_from_terminal = 0;
fd068d50 2419 read_from_sslcon = SSL_has_pending(con)
64c07bd2 2420 || (async && SSL_waiting_for_async(con));
a2a01589 2421
0f113f3e
MC		 2422 if (!read_from_sslcon) {
2423 FD_ZERO(&readfds);
1fbab1dc 2424#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
51e5133d 2425 openssl_fdset(fileno_stdin(), &readfds);
0f113f3e
MC		 2426#endif
2427 openssl_fdset(s, &readfds);
2428 /*
2429 * Note: under VMS with SOCKETSHR the second parameter is
2430 * currently of type (int *) whereas under other systems it is
2431 * (void *) if you don't have a cast it will choke the compiler:
2432 * if you do have a cast then you can either go for (int *) or
2433 * (void *).
2434 */
1fbab1dc 2435#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2436 /*
2437 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2438 * only on sockets. As a workaround we timeout the select every
2439 * second and check for any keypress. In a proper Windows
2440 * application we wouldn't do this because it is inefficient.
2441 */
ff25dd1a
RL		 2442 timeout.tv_sec = 1;
2443 timeout.tv_usec = 0;
2444 i = select(width, (void *)&readfds, NULL, NULL, &timeout);
75dd6c1a 2445 if (has_stdin_waiting())
0f113f3e 2446 read_from_terminal = 1;
75dd6c1a
MC		 2447 if ((i < 0) || (!i && !read_from_terminal))
2448 continue;
06f4536a 2449#else
6f6da2fe 2450 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
0f113f3e
MC		 2451 timeoutp = &timeout;
2452 else
2453 timeoutp = NULL;
2454
2455 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2456
6f6da2fe 2457 if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0)
0f113f3e 2458 BIO_printf(bio_err, "TIMEOUT occurred\n");
0f113f3e
MC		 2459
2460 if (i <= 0)
2461 continue;
51e5133d 2462 if (FD_ISSET(fileno_stdin(), &readfds))
0f113f3e
MC		 2463 read_from_terminal = 1;
2464#endif
2465 if (FD_ISSET(s, &readfds))
2466 read_from_sslcon = 1;
2467 }
2468 if (read_from_terminal) {
2469 if (s_crlf) {
2470 int j, lf_num;
2471
c7bdb6a3 2472 i = raw_read_stdin(buf, bufsize / 2);
c7bdb6a3 2473 lf_num = 0;
0f113f3e
MC		 2474 /* both loops are skipped when i <= 0 */
2475 for (j = 0; j < i; j++)
2476 if (buf[j] == '\n')
2477 lf_num++;
2478 for (j = i - 1; j >= 0; j--) {
2479 buf[j + lf_num] = buf[j];
2480 if (buf[j] == '\n') {
2481 lf_num--;
2482 i++;
2483 buf[j + lf_num] = '\r';
2484 }
2485 }
2486 assert(lf_num == 0);
2234212c 2487 } else {
c7bdb6a3 2488 i = raw_read_stdin(buf, bufsize);
2234212c 2489 }
51e5133d 2490
0f113f3e
MC		 2491 if (!s_quiet && !s_brief) {
2492 if ((i <= 0) || (buf[0] == 'Q')) {
2493 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2494 (void)BIO_flush(bio_s_out);
8731a4fc 2495 BIO_closesocket(s);
0f113f3e
MC		 2496 close_accept_socket();
2497 ret = -11;
2498 goto err;
2499 }
2500 if ((i <= 0) || (buf[0] == 'q')) {
2501 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2502 (void)BIO_flush(bio_s_out);
0f113f3e 2503 if (SSL_version(con) != DTLS1_VERSION)
8731a4fc 2504 BIO_closesocket(s);
0f113f3e
MC		 2505 /*
2506 * close_accept_socket(); ret= -11;
2507 */
2508 goto err;
2509 }
0f113f3e
MC		 2510 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2511 SSL_renegotiate(con);
2512 i = SSL_do_handshake(con);
2513 printf("SSL_do_handshake -> %d\n", i);
2514 i = 0; /* 13; */
2515 continue;
0f113f3e
MC		 2516 }
2517 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2518 SSL_set_verify(con,
2519 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2520 NULL);
2521 SSL_renegotiate(con);
2522 i = SSL_do_handshake(con);
2523 printf("SSL_do_handshake -> %d\n", i);
2524 i = 0; /* 13; */
2525 continue;
0f113f3e 2526 }
34df45b5
MC		 2527 if ((buf[0] == 'K' || buf[0] == 'k')
2528 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2529 SSL_key_update(con, buf[0] == 'K' ?
2530 SSL_KEY_UPDATE_REQUESTED
2531 : SSL_KEY_UPDATE_NOT_REQUESTED);
2532 i = SSL_do_handshake(con);
2533 printf("SSL_do_handshake -> %d\n", i);
2534 i = 0;
2535 continue;
34df45b5 2536 }
9d75dce3
TS		 2537 if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2538 SSL_set_verify(con, SSL_VERIFY_PEER, NULL);
2539 i = SSL_verify_client_post_handshake(con);
2540 if (i == 0) {
2541 printf("Failed to initiate request\n");
2542 ERR_print_errors(bio_err);
2543 } else {
2544 i = SSL_do_handshake(con);
2545 printf("SSL_do_handshake -> %d\n", i);
2546 i = 0;
2547 }
2548 continue;
2549 }
0f113f3e
MC		 2550 if (buf[0] == 'P') {
2551 static const char *str = "Lets print some clear text\n";
2552 BIO_write(SSL_get_wbio(con), str, strlen(str));
2553 }
2554 if (buf[0] == 'S') {
2555 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2556 }
2557 }
a53955d8 2558#ifdef CHARSET_EBCDIC
0f113f3e 2559 ebcdic2ascii(buf, buf, i);
a53955d8 2560#endif
0f113f3e
MC		 2561 l = k = 0;
2562 for (;;) {
2563 /* should do a select for the write */
58964a49 2564#ifdef RENEG
54463e4f
F		 2565 static count = 0;
2566 if (++count == 100) {
2567 count = 0;
2568 SSL_renegotiate(con);
0f113f3e 2569 }
d02b48c6 2570#endif
0f113f3e 2571 k = SSL_write(con, &(buf[l]), (unsigned int)i);
9641be2a 2572#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2573 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2574 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
380f18ed 2575 SRP_user_pwd_free(srp_callback_parm.user);
0f113f3e 2576 srp_callback_parm.user =
380f18ed
EK		 2577 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2578 srp_callback_parm.login);
c7bdb6a3 2579 if (srp_callback_parm.user)
0f113f3e
MC		 2580 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2581 srp_callback_parm.user->info);
2582 else
2583 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2584 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2585 }
2586#endif
2587 switch (SSL_get_error(con, k)) {
2588 case SSL_ERROR_NONE:
2589 break;
7e25dd6d
MC		 2590 case SSL_ERROR_WANT_ASYNC:
2591 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
384f08dc 2592 (void)BIO_flush(bio_s_out);
f4da39d2 2593 wait_for_async(con);
7e25dd6d 2594 break;
0f113f3e
MC		 2595 case SSL_ERROR_WANT_WRITE:
2596 case SSL_ERROR_WANT_READ:
2597 case SSL_ERROR_WANT_X509_LOOKUP:
2598 BIO_printf(bio_s_out, "Write BLOCK\n");
384f08dc 2599 (void)BIO_flush(bio_s_out);
0f113f3e 2600 break;
fc7f190c
MC		 2601 case SSL_ERROR_WANT_ASYNC_JOB:
2602 /*
2603 * This shouldn't ever happen in s_server. Treat as an error
2604 */
0f113f3e
MC		 2605 case SSL_ERROR_SYSCALL:
2606 case SSL_ERROR_SSL:
2607 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2608 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2609 ERR_print_errors(bio_err);
2610 ret = 1;
2611 goto err;
2612 /* break; */
2613 case SSL_ERROR_ZERO_RETURN:
2614 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2615 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2616 ret = 1;
2617 goto err;
2618 }
00d565cf
RS		 2619 if (k > 0) {
2620 l += k;
2621 i -= k;
2622 }
0f113f3e
MC		 2623 if (i <= 0)
2624 break;
2625 }
2626 }
2627 if (read_from_sslcon) {
64c07bd2
MC		 2628 /*
2629 * init_ssl_connection handles all async events itself so if we're
2630 * waiting for async then we shouldn't go back into
2631 * init_ssl_connection
2632 */
2633 if ((!async || !SSL_waiting_for_async(con))
2634 && !SSL_is_init_finished(con)) {
0f113f3e
MC		 2635 i = init_ssl_connection(con);
2636
2637 if (i < 0) {
2638 ret = 0;
2639 goto err;
2640 } else if (i == 0) {
2641 ret = 1;
2642 goto err;
2643 }
2644 } else {
2645 again:
2646 i = SSL_read(con, (char *)buf, bufsize);
9641be2a 2647#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2648 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2649 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
380f18ed 2650 SRP_user_pwd_free(srp_callback_parm.user);
0f113f3e 2651 srp_callback_parm.user =
380f18ed
EK		 2652 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2653 srp_callback_parm.login);
0f113f3e
MC		 2654 if (srp_callback_parm.user)
2655 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2656 srp_callback_parm.user->info);
2657 else
2658 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2659 i = SSL_read(con, (char *)buf, bufsize);
2660 }
2661#endif
2662 switch (SSL_get_error(con, i)) {
2663 case SSL_ERROR_NONE:
a53955d8 2664#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2665 ascii2ebcdic(buf, buf, i);
2666#endif
2667 raw_write_stdout(buf, (unsigned int)i);
384f08dc 2668 (void)BIO_flush(bio_s_out);
fd068d50 2669 if (SSL_has_pending(con))
0f113f3e
MC		 2670 goto again;
2671 break;
7e25dd6d 2672 case SSL_ERROR_WANT_ASYNC:
f4da39d2 2673 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
384f08dc 2674 (void)BIO_flush(bio_s_out);
f4da39d2
MC		 2675 wait_for_async(con);
2676 break;
0f113f3e
MC		 2677 case SSL_ERROR_WANT_WRITE:
2678 case SSL_ERROR_WANT_READ:
2679 BIO_printf(bio_s_out, "Read BLOCK\n");
384f08dc 2680 (void)BIO_flush(bio_s_out);
0f113f3e 2681 break;
fc7f190c
MC		 2682 case SSL_ERROR_WANT_ASYNC_JOB:
2683 /*
2684 * This shouldn't ever happen in s_server. Treat as an error
2685 */
0f113f3e
MC		 2686 case SSL_ERROR_SYSCALL:
2687 case SSL_ERROR_SSL:
2688 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2689 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2690 ERR_print_errors(bio_err);
2691 ret = 1;
2692 goto err;
2693 case SSL_ERROR_ZERO_RETURN:
2694 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2695 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2696 ret = 1;
2697 goto err;
2698 }
2699 }
2700 }
2701 }
2702 err:
2703 if (con != NULL) {
2704 BIO_printf(bio_s_out, "shutting down SSL\n");
0f113f3e 2705 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
0f113f3e
MC		 2706 SSL_free(con);
2707 }
2708 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
4b45c6e5 2709 OPENSSL_clear_free(buf, bufsize);
26a7d938 2710 return ret;
0f113f3e 2711}
d02b48c6 2712
6b691a5c 2713static void close_accept_socket(void)
0f113f3e
MC		 2714{
2715 BIO_printf(bio_err, "shutdown accept socket\n");
2716 if (accept_socket >= 0) {
8731a4fc 2717 BIO_closesocket(accept_socket);
0f113f3e
MC		 2718 }
2719}
d02b48c6 2720
068e3d73
MC		 2721static int is_retryable(SSL *con, int i)
2722{
2723 int err = SSL_get_error(con, i);
2724
2725 /* If it's not a fatal error, it must be retryable */
2726 return (err != SSL_ERROR_SSL)
2727 && (err != SSL_ERROR_SYSCALL)
2728 && (err != SSL_ERROR_ZERO_RETURN);
2729}
2730
6b691a5c 2731static int init_ssl_connection(SSL *con)
0f113f3e
MC		 2732{
2733 int i;
df2ee0e2 2734 long verify_err;
384f08dc 2735 int retry = 0;
fd4e98ec 2736
c2f9648d 2737 if (dtlslisten || stateless) {
d858c876
RL		 2738 BIO_ADDR *client = NULL;
2739
c2f9648d
MC		 2740 if (dtlslisten) {
2741 if ((client = BIO_ADDR_new()) == NULL) {
2742 BIO_printf(bio_err, "ERROR - memory\n");
2743 return 0;
2744 }
2745 i = DTLSv1_listen(con, client);
2746 } else {
2747 i = SSL_stateless(con);
d858c876 2748 }
fd4e98ec
MC		 2749 if (i > 0) {
2750 BIO *wbio;
3a796184 2751 int fd = -1;
fd4e98ec 2752
c2f9648d
MC		 2753 if (dtlslisten) {
2754 wbio = SSL_get_wbio(con);
2755 if (wbio) {
2756 BIO_get_fd(wbio, &fd);
2757 }
fd4e98ec 2758
c2f9648d
MC		 2759 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2760 BIO_printf(bio_err, "ERROR - unable to connect\n");
2761 BIO_ADDR_free(client);
2762 return 0;
2763 }
b92678f4
MH		 2764
2765 (void)BIO_ctrl_set_connected(wbio, client);
d858c876 2766 BIO_ADDR_free(client);
c2f9648d
MC		 2767 dtlslisten = 0;
2768 } else {
2769 stateless = 0;
fd4e98ec 2770 }
fd4e98ec 2771 i = SSL_accept(con);
a3768e0c
MC		 2772 } else {
2773 BIO_ADDR_free(client);
fd4e98ec 2774 }
c2f9648d
MC		 2775 } else {
2776 do {
2777 i = SSL_accept(con);
d02b48c6 2778
c2f9648d
MC		 2779 if (i <= 0)
2780 retry = is_retryable(con, i);
3323314f 2781#ifdef CERT_CB_TEST_RETRY
c2f9648d
MC		 2782 {
2783 while (i <= 0
2784 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2785 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2786 BIO_printf(bio_err,
2787 "LOOKUP from certificate callback during accept\n");
2788 i = SSL_accept(con);
2789 if (i <= 0)
2790 retry = is_retryable(con, i);
2791 }
2792 }
2793#endif
2794
2795#ifndef OPENSSL_NO_SRP
d6073e27 2796 while (i <= 0
c2f9648d
MC		 2797 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2798 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2799 srp_callback_parm.login);
2800 SRP_user_pwd_free(srp_callback_parm.user);
2801 srp_callback_parm.user =
2802 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2803 srp_callback_parm.login);
2804 if (srp_callback_parm.user)
2805 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2806 srp_callback_parm.user->info);
2807 else
2808 BIO_printf(bio_s_out, "LOOKUP not successful\n");
7e25dd6d 2809 i = SSL_accept(con);
384f08dc 2810 if (i <= 0)
068e3d73 2811 retry = is_retryable(con, i);
7e25dd6d 2812 }
3323314f 2813#endif
c2f9648d
MC		 2814 } while (i < 0 && SSL_waiting_for_async(con));
2815 }
0f113f3e
MC		 2816
2817 if (i <= 0) {
c2f9648d
MC		 2818 if (((dtlslisten || stateless) && i == 0)
2819 || (!dtlslisten && !stateless && retry)) {
0f113f3e 2820 BIO_printf(bio_s_out, "DELAY\n");
208fb891 2821 return 1;
0f113f3e
MC		 2822 }
2823
2824 BIO_printf(bio_err, "ERROR\n");
7e1b7485 2825
df2ee0e2
BL		 2826 verify_err = SSL_get_verify_result(con);
2827 if (verify_err != X509_V_OK) {
0f113f3e 2828 BIO_printf(bio_err, "verify error:%s\n",
df2ee0e2 2829 X509_verify_cert_error_string(verify_err));
0f113f3e
MC		 2830 }
2831 /* Always print any error messages */
2832 ERR_print_errors(bio_err);
26a7d938 2833 return 0;
0f113f3e
MC		 2834 }
2835
ade1e888
MC		 2836 print_connection_info(con);
2837 return 1;
2838}
2839
2840static void print_connection_info(SSL *con)
2841{
2842 const char *str;
2843 X509 *peer;
2844 char buf[BUFSIZ];
2845#if !defined(OPENSSL_NO_NEXTPROTONEG)
2846 const unsigned char *next_proto_neg;
2847 unsigned next_proto_neg_len;
2848#endif
2849 unsigned char *exportedkeymat;
2850 int i;
2851
0f113f3e 2852 if (s_brief)
ecf3a1fb 2853 print_ssl_summary(con);
0f113f3e
MC		 2854
2855 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2856
2857 peer = SSL_get_peer_certificate(con);
2858 if (peer != NULL) {
2859 BIO_printf(bio_s_out, "Client certificate\n");
2860 PEM_write_bio_X509(bio_s_out, peer);
b5c4209b 2861 dump_cert_text(bio_s_out, peer);
0f113f3e 2862 X509_free(peer);
049f3655 2863 peer = NULL;
0f113f3e
MC		 2864 }
2865
cbe29648 2866 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL)
0f113f3e
MC		 2867 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2868 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2869 ssl_print_sigalgs(bio_s_out, con);
14536c8c 2870#ifndef OPENSSL_NO_EC
0f113f3e 2871 ssl_print_point_formats(bio_s_out, con);
de4d764e 2872 ssl_print_groups(bio_s_out, con, 0);
14536c8c 2873#endif
5969a2dd 2874 print_ca_names(bio_s_out, con);
0f113f3e 2875 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
e7f8ff43 2876
e481f9b9 2877#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 2878 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2879 if (next_proto_neg) {
2880 BIO_printf(bio_s_out, "NEXTPROTO is ");
2881 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2882 BIO_printf(bio_s_out, "\n");
2883 }
ee2ffc27 2884#endif
e783bae2 2885#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 2886 {
2887 SRTP_PROTECTION_PROFILE *srtp_profile
2888 = SSL_get_selected_srtp_profile(con);
2889
2890 if (srtp_profile)
2891 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2892 srtp_profile->name);
2893 }
2894#endif
b577fd0b 2895 if (SSL_session_reused(con))
0f113f3e 2896 BIO_printf(bio_s_out, "Reused session-id\n");
0f113f3e
MC		 2897 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2898 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
db0f35dd
TS		 2899 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2900 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2901
0f113f3e
MC		 2902 if (keymatexportlabel != NULL) {
2903 BIO_printf(bio_s_out, "Keying material exporter:\n");
2904 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2905 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
68dc6824
RS		 2906 exportedkeymat = app_malloc(keymatexportlen, "export key");
2907 if (!SSL_export_keying_material(con, exportedkeymat,
2908 keymatexportlen,
2909 keymatexportlabel,
2910 strlen(keymatexportlabel),
2911 NULL, 0, 0)) {
2912 BIO_printf(bio_s_out, " Error\n");
2913 } else {
2914 BIO_printf(bio_s_out, " Keying material: ");
2915 for (i = 0; i < keymatexportlen; i++)
2916 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2917 BIO_printf(bio_s_out, "\n");
0f113f3e 2918 }
68dc6824 2919 OPENSSL_free(exportedkeymat);
0f113f3e 2920 }
d6c3c189
BP		 2921#ifndef OPENSSL_NO_KTLS
2922 if (BIO_get_ktls_send(SSL_get_wbio(con)))
2923 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
005080aa
BP		 2924 if (BIO_get_ktls_recv(SSL_get_rbio(con)))
2925 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
d6c3c189 2926#endif
0f113f3e 2927
d6073e27 2928 (void)BIO_flush(bio_s_out);
0f113f3e 2929}
d02b48c6 2930
cf1b7d96 2931#ifndef OPENSSL_NO_DH
eb3eab20 2932static DH *load_dh_param(const char *dhfile)
0f113f3e
MC		 2933{
2934 DH *ret = NULL;
2935 BIO *bio;
2936
2937 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2938 goto err;
2939 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2940 err:
ca3a82c3 2941 BIO_free(bio);
26a7d938 2942 return ret;
0f113f3e 2943}
58964a49 2944#endif
d02b48c6 2945
72d0bc84 2946static int www_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 2947{
2948 char *buf = NULL;
2949 int ret = 1;
2950 int i, j, k, dot;
2951 SSL *con;
2952 const SSL_CIPHER *c;
2953 BIO *io, *ssl_bio, *sbio;
7e1b7485
RS		 2954#ifdef RENEG
2955 int total_bytes = 0;
2956#endif
075c8795
MC		 2957 int width;
2958 fd_set readfds;
2959
2960 /* Set width for a select call if needed */
2961 width = s + 1;
d02b48c6 2962
68dc6824 2963 buf = app_malloc(bufsize, "server www buffer");
0f113f3e
MC		 2964 io = BIO_new(BIO_f_buffer());
2965 ssl_bio = BIO_new(BIO_f_ssl());
2966 if ((io == NULL) || (ssl_bio == NULL))
2967 goto err;
d02b48c6 2968
0f113f3e 2969 if (s_nbio) {
ba810815 2970 if (!BIO_socket_nbio(s, 1))
0f113f3e 2971 ERR_print_errors(bio_err);
ba810815
RS		 2972 else if (!s_quiet)
2973 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 2974 }
d02b48c6 2975
0f113f3e
MC		 2976 /* lets make the output buffer a reasonable size */
2977 if (!BIO_set_write_buffer_size(io, bufsize))
2978 goto err;
d02b48c6 2979
0f113f3e
MC		 2980 if ((con = SSL_new(ctx)) == NULL)
2981 goto err;
e481f9b9 2982
0f113f3e
MC		 2983 if (s_tlsextdebug) {
2984 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2985 SSL_set_tlsext_debug_arg(con, bio_s_out);
2986 }
e481f9b9 2987
2234212c 2988 if (context != NULL
d6073e27 2989 && !SSL_set_session_id_context(con, context,
67afcfd3
MC		 2990 strlen((char *)context))) {
2991 SSL_free(con);
ac59d705 2992 goto err;
67afcfd3 2993 }
0f113f3e
MC		 2994
2995 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2996 if (s_nbio_test) {
2997 BIO *test;
2998
2999 test = BIO_new(BIO_f_nbio_test());
3000 sbio = BIO_push(test, sbio);
3001 }
3002 SSL_set_bio(con, sbio, sbio);
3003 SSL_set_accept_state(con);
3004
67afcfd3 3005 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
0f113f3e
MC		 3006 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3007 BIO_push(io, ssl_bio);
a53955d8 3008#ifdef CHARSET_EBCDIC
0f113f3e 3009 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
a53955d8 3010#endif
d02b48c6 3011
0f113f3e 3012 if (s_debug) {
0f113f3e
MC		 3013 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3014 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3015 }
3016 if (s_msg) {
93ab9e42 3017#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 3018 if (s_msg == 2)
3019 SSL_set_msg_callback(con, SSL_trace);
3020 else
3021#endif
3022 SSL_set_msg_callback(con, msg_cb);
3023 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3024 }
3025
3026 for (;;) {
0f113f3e
MC		 3027 i = BIO_gets(io, buf, bufsize - 1);
3028 if (i < 0) { /* error */
4cfa6204 3029 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
0f113f3e
MC		 3030 if (!s_quiet)
3031 ERR_print_errors(bio_err);
3032 goto err;
3033 } else {
3034 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH		 3035#ifndef OPENSSL_NO_SRP
3036 if (BIO_should_io_special(io)
3037 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3038 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
380f18ed 3039 SRP_user_pwd_free(srp_callback_parm.user);
4e7e6230 3040 srp_callback_parm.user =
380f18ed
EK		 3041 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3042 srp_callback_parm.login);
4e7e6230
DSH		 3043 if (srp_callback_parm.user)
3044 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3045 srp_callback_parm.user->info);
3046 else
3047 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3048 continue;
3049 }
3050#endif
1fbab1dc 3051#if !defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 3052 sleep(1);
3053#endif
3054 continue;
3055 }
3056 } else if (i == 0) { /* end of input */
3057 ret = 1;
3058 goto end;
3059 }
d02b48c6 3060
0f113f3e
MC		 3061 /* else we have data */
3062 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
0b142f02 3063 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
0f113f3e 3064 char *p;
049f3655 3065 X509 *peer = NULL;
0f113f3e
MC		 3066 STACK_OF(SSL_CIPHER) *sk;
3067 static const char *space = " ";
3068
3069 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
3070 if (strncmp("GET /renegcert", buf, 14) == 0)
3071 SSL_set_verify(con,
3072 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
3073 NULL);
3074 i = SSL_renegotiate(con);
3075 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
075c8795 3076 /* Send the HelloRequest */
0f113f3e
MC		 3077 i = SSL_do_handshake(con);
3078 if (i <= 0) {
3079 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
3080 SSL_get_error(con, i));
3081 ERR_print_errors(bio_err);
3082 goto err;
3083 }
075c8795
MC		 3084 /* Wait for a ClientHello to come back */
3085 FD_ZERO(&readfds);
3086 openssl_fdset(s, &readfds);
3087 i = select(width, (void *)&readfds, NULL, NULL, NULL);
3088 if (i <= 0 || !FD_ISSET(s, &readfds)) {
d6073e27
F		 3089 BIO_printf(bio_s_out,
3090 "Error waiting for client response\n");
0f113f3e
MC		 3091 ERR_print_errors(bio_err);
3092 goto err;
3093 }
075c8795 3094 /*
049f3655 3095 * We're not actually expecting any data here and we ignore
075c8795
MC		 3096 * any that is sent. This is just to force the handshake that
3097 * we're expecting to come from the client. If they haven't
3098 * sent one there's not much we can do.
3099 */
3100 BIO_gets(io, buf, bufsize - 1);
0f113f3e
MC		 3101 }
3102
3103 BIO_puts(io,
3104 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3105 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3106 BIO_puts(io, "<pre>\n");
049f3655 3107 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
0f113f3e
MC		 3108 BIO_puts(io, "\n");
3109 for (i = 0; i < local_argc; i++) {
f92beb98
RS		 3110 const char *myp;
3111 for (myp = local_argv[i]; *myp; myp++)
3112 switch (*myp) {
3113 case '<':
3114 BIO_puts(io, "&lt;");
3115 break;
3116 case '>':
3117 BIO_puts(io, "&gt;");
3118 break;
3119 case '&':
3120 BIO_puts(io, "&amp;");
3121 break;
3122 default:
3123 BIO_write(io, myp, 1);
3124 break;
3125 }
0f113f3e
MC		 3126 BIO_write(io, " ", 1);
3127 }
3128 BIO_puts(io, "\n");
3129
3130 BIO_printf(io,
3131 "Secure Renegotiation IS%s supported\n",
3132 SSL_get_secure_renegotiation_support(con) ?
3133 "" : " NOT");
3134
3135 /*
3136 * The following is evil and should not really be done
3137 */
3138 BIO_printf(io, "Ciphers supported in s_server binary\n");
3139 sk = SSL_get_ciphers(con);
3140 j = sk_SSL_CIPHER_num(sk);
3141 for (i = 0; i < j; i++) {
3142 c = sk_SSL_CIPHER_value(sk, i);
7e1b7485 3143 BIO_printf(io, "%-11s:%-25s ",
0f113f3e
MC		 3144 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3145 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3146 BIO_puts(io, "\n");
3147 }
3148 BIO_puts(io, "\n");
3149 p = SSL_get_shared_ciphers(con, buf, bufsize);
3150 if (p != NULL) {
3151 BIO_printf(io,
3152 "---\nCiphers common between both SSL end points:\n");
3153 j = i = 0;
3154 while (*p) {
3155 if (*p == ':') {
3156 BIO_write(io, space, 26 - j);
3157 i++;
3158 j = 0;
3159 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3160 } else {
3161 BIO_write(io, p, 1);
3162 j++;
3163 }
3164 p++;
3165 }
3166 BIO_puts(io, "\n");
3167 }
3168 ssl_print_sigalgs(io, con);
3169#ifndef OPENSSL_NO_EC
de4d764e 3170 ssl_print_groups(io, con, 0);
0f113f3e 3171#endif
5969a2dd 3172 print_ca_names(io, con);
b577fd0b 3173 BIO_printf(io, (SSL_session_reused(con)
0f113f3e
MC		 3174 ? "---\nReused, " : "---\nNew, "));
3175 c = SSL_get_current_cipher(con);
3176 BIO_printf(io, "%s, Cipher is %s\n",
3177 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3178 SSL_SESSION_print(io, SSL_get_session(con));
3179 BIO_printf(io, "---\n");
3180 print_stats(io, SSL_get_SSL_CTX(con));
3181 BIO_printf(io, "---\n");
3182 peer = SSL_get_peer_certificate(con);
3183 if (peer != NULL) {
3184 BIO_printf(io, "Client certificate\n");
3185 X509_print(io, peer);
3186 PEM_write_bio_X509(io, peer);
049f3655
F		 3187 X509_free(peer);
3188 peer = NULL;
1a9f5cf0 3189 } else {
0f113f3e 3190 BIO_puts(io, "no client certificate available\n");
1a9f5cf0
XL		 3191 }
3192 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n");
0f113f3e
MC		 3193 break;
3194 } else if ((www == 2 || www == 3)
3195 && (strncmp("GET /", buf, 5) == 0)) {
3196 BIO *file;
3197 char *p, *e;
3198 static const char *text =
3199 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3200
3201 /* skip the '/' */
3202 p = &(buf[5]);
3203
3204 dot = 1;
3205 for (e = p; *e != '\0'; e++) {
3206 if (e[0] == ' ')
3207 break;
3208
3209 switch (dot) {
3210 case 1:
3211 dot = (e[0] == '.') ? 2 : 0;
3212 break;
3213 case 2:
3214 dot = (e[0] == '.') ? 3 : 0;
3215 break;
3216 case 3:
3217 dot = (e[0] == '/') ? -1 : 0;
3218 break;
3219 }
3220 if (dot == 0)
3221 dot = (e[0] == '/') ? 1 : 0;
3222 }
3223 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3224 * component */
3225
3226 if (*e == '\0') {
3227 BIO_puts(io, text);
3228 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3229 break;
3230 }
3231 *e = '\0';
3232
3233 if (dot) {
3234 BIO_puts(io, text);
3235 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3236 break;
3237 }
3238
3239 if (*p == '/') {
3240 BIO_puts(io, text);
3241 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3242 break;
3243 }
d02b48c6 3244
0f113f3e
MC		 3245 /* if a directory, do the index thang */
3246 if (app_isdir(p) > 0) {
0f113f3e
MC		 3247 BIO_puts(io, text);
3248 BIO_printf(io, "'%s' is a directory\r\n", p);
3249 break;
0f113f3e
MC		 3250 }
3251
3252 if ((file = BIO_new_file(p, "r")) == NULL) {
3253 BIO_puts(io, text);
3254 BIO_printf(io, "Error opening '%s'\r\n", p);
3255 ERR_print_errors(io);
3256 break;
3257 }
3258
3259 if (!s_quiet)
3260 BIO_printf(bio_err, "FILE:%s\n", p);
3261
3262 if (www == 2) {
3263 i = strlen(p);
3264 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3265 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3266 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3267 BIO_puts(io,
3268 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3269 else
3270 BIO_puts(io,
3271 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3272 }
3273 /* send the file */
3274 for (;;) {
3275 i = BIO_read(file, buf, bufsize);
3276 if (i <= 0)
3277 break;
d02b48c6 3278
dfeab068 3279#ifdef RENEG
0f113f3e 3280 total_bytes += i;
7768e116 3281 BIO_printf(bio_err, "%d\n", i);
0f113f3e
MC		 3282 if (total_bytes > 3 * 1024) {
3283 total_bytes = 0;
7768e116 3284 BIO_printf(bio_err, "RENEGOTIATE\n");
0f113f3e
MC		 3285 SSL_renegotiate(con);
3286 }
3287#endif
3288
3289 for (j = 0; j < i;) {
58964a49 3290#ifdef RENEG
54463e4f
F		 3291 static count = 0;
3292 if (++count == 13) {
3293 SSL_renegotiate(con);
0f113f3e
MC		 3294 }
3295#endif
3296 k = BIO_write(io, &(buf[j]), i - j);
3297 if (k <= 0) {
d6073e27
F		 3298 if (!BIO_should_retry(io)
3299 && !SSL_waiting_for_async(con))
0f113f3e
MC		 3300 goto write_error;
3301 else {
3302 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3303 }
3304 } else {
3305 j += k;
3306 }
3307 }
3308 }
3309 write_error:
3310 BIO_free(file);
3311 break;
3312 }
3313 }
3314
3315 for (;;) {
3316 i = (int)BIO_flush(io);
3317 if (i <= 0) {
3318 if (!BIO_should_retry(io))
3319 break;
3320 } else
3321 break;
3322 }
3323 end:
0f113f3e
MC		 3324 /* make sure we re-use sessions */
3325 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
d02b48c6 3326
0f113f3e 3327 err:
b548a1f1 3328 OPENSSL_free(buf);
ca3a82c3 3329 BIO_free_all(io);
26a7d938 3330 return ret;
0f113f3e 3331}
d02b48c6 3332
72d0bc84 3333static int rev_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 3334{
3335 char *buf = NULL;
3336 int i;
3337 int ret = 1;
3338 SSL *con;
3339 BIO *io, *ssl_bio, *sbio;
4f3df8be 3340
68dc6824 3341 buf = app_malloc(bufsize, "server rev buffer");
0f113f3e
MC		 3342 io = BIO_new(BIO_f_buffer());
3343 ssl_bio = BIO_new(BIO_f_ssl());
3344 if ((io == NULL) || (ssl_bio == NULL))
3345 goto err;
4f3df8be 3346
0f113f3e
MC		 3347 /* lets make the output buffer a reasonable size */
3348 if (!BIO_set_write_buffer_size(io, bufsize))
3349 goto err;
4f3df8be 3350
0f113f3e
MC		 3351 if ((con = SSL_new(ctx)) == NULL)
3352 goto err;
e481f9b9 3353
0f113f3e
MC		 3354 if (s_tlsextdebug) {
3355 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3356 SSL_set_tlsext_debug_arg(con, bio_s_out);
3357 }
2234212c 3358 if (context != NULL
d6073e27
F		 3359 && !SSL_set_session_id_context(con, context,
3360 strlen((char *)context))) {
67afcfd3 3361 SSL_free(con);
ac59d705
MC		 3362 ERR_print_errors(bio_err);
3363 goto err;
3364 }
0f113f3e
MC		 3365
3366 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3367 SSL_set_bio(con, sbio, sbio);
3368 SSL_set_accept_state(con);
3369
67afcfd3 3370 /* No need to free |con| after this. Done by BIO_free(ssl_bio) */
0f113f3e
MC		 3371 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3372 BIO_push(io, ssl_bio);
4f3df8be 3373#ifdef CHARSET_EBCDIC
0f113f3e 3374 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
4f3df8be
DSH		 3375#endif
3376
0f113f3e 3377 if (s_debug) {
0f113f3e
MC		 3378 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3379 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3380 }
3381 if (s_msg) {
4f3df8be 3382#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 3383 if (s_msg == 2)
3384 SSL_set_msg_callback(con, SSL_trace);
3385 else
3386#endif
3387 SSL_set_msg_callback(con, msg_cb);
3388 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3389 }
3390
3391 for (;;) {
3392 i = BIO_do_handshake(io);
3393 if (i > 0)
3394 break;
3395 if (!BIO_should_retry(io)) {
3396 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3397 ERR_print_errors(bio_err);
3398 goto end;
3399 }
4e7e6230
DSH		 3400#ifndef OPENSSL_NO_SRP
3401 if (BIO_should_io_special(io)
3402 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3403 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
380f18ed 3404 SRP_user_pwd_free(srp_callback_parm.user);
4e7e6230 3405 srp_callback_parm.user =
380f18ed
EK		 3406 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3407 srp_callback_parm.login);
4e7e6230
DSH		 3408 if (srp_callback_parm.user)
3409 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3410 srp_callback_parm.user->info);
3411 else
3412 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3413 continue;
3414 }
3415#endif
0f113f3e
MC		 3416 }
3417 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 3418 print_ssl_summary(con);
0f113f3e
MC		 3419
3420 for (;;) {
3421 i = BIO_gets(io, buf, bufsize - 1);
3422 if (i < 0) { /* error */
3423 if (!BIO_should_retry(io)) {
3424 if (!s_quiet)
3425 ERR_print_errors(bio_err);
3426 goto err;
3427 } else {
3428 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH		 3429#ifndef OPENSSL_NO_SRP
3430 if (BIO_should_io_special(io)
3431 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3432 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
380f18ed 3433 SRP_user_pwd_free(srp_callback_parm.user);
4e7e6230 3434 srp_callback_parm.user =
380f18ed
EK		 3435 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3436 srp_callback_parm.login);
4e7e6230
DSH		 3437 if (srp_callback_parm.user)
3438 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3439 srp_callback_parm.user->info);
3440 else
3441 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3442 continue;
3443 }
3444#endif
1fbab1dc 3445#if !defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 3446 sleep(1);
3447#endif
3448 continue;
3449 }
3450 } else if (i == 0) { /* end of input */
3451 ret = 1;
3452 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3453 goto end;
3454 } else {
3455 char *p = buf + i - 1;
3456 while (i && (*p == '\n' || *p == '\r')) {
3457 p--;
3458 i--;
3459 }
86885c28 3460 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
0f113f3e
MC		 3461 ret = 1;
3462 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3463 goto end;
3464 }
3465 BUF_reverse((unsigned char *)buf, NULL, i);
3466 buf[i] = '\n';
3467 BIO_write(io, buf, i + 1);
3468 for (;;) {
3469 i = BIO_flush(io);
3470 if (i > 0)
3471 break;
3472 if (!BIO_should_retry(io))
3473 goto end;
3474 }
3475 }
3476 }
3477 end:
3478 /* make sure we re-use sessions */
3479 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3480
3481 err:
3482
b548a1f1 3483 OPENSSL_free(buf);
ca3a82c3 3484 BIO_free_all(io);
26a7d938 3485 return ret;
0f113f3e 3486}
4f3df8be 3487
1aa0d947 3488#define MAX_SESSION_ID_ATTEMPTS 10
ae3947de 3489static int generate_session_id(SSL *ssl, unsigned char *id,
0f113f3e
MC		 3490 unsigned int *id_len)
3491{
3492 unsigned int count = 0;
3493 do {
266483d2
MC		 3494 if (RAND_bytes(id, *id_len) <= 0)
3495 return 0;
0f113f3e
MC		 3496 /*
3497 * Prefix the session_id with the required prefix. NB: If our prefix
3498 * is too long, clip it - but there will be worse effects anyway, eg.
3499 * the server could only possibly create 1 session ID (ie. the
3500 * prefix!) so all future session negotiations will fail due to
3501 * conflicts.
3502 */
3503 memcpy(id, session_id_prefix,
3504 (strlen(session_id_prefix) < *id_len) ?
3505 strlen(session_id_prefix) : *id_len);
3506 }
3507 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3508 (++count < MAX_SESSION_ID_ATTEMPTS));
3509 if (count >= MAX_SESSION_ID_ATTEMPTS)
3510 return 0;
3511 return 1;
3512}
3513
3514/*
3515 * By default s_server uses an in-memory cache which caches SSL_SESSION
35b0ea4e
DSH		 3516 * structures without any serialisation. This hides some bugs which only
3517 * become apparent in deployed servers. By implementing a basic external
3518 * session cache some issues can be debugged using s_server.
3519 */
3520
0f113f3e
MC		 3521typedef struct simple_ssl_session_st {
3522 unsigned char *id;
3523 unsigned int idlen;
3524 unsigned char *der;
3525 int derlen;
3526 struct simple_ssl_session_st *next;
3527} simple_ssl_session;
35b0ea4e
DSH		 3528
3529static simple_ssl_session *first = NULL;
3530
3531static int add_session(SSL *ssl, SSL_SESSION *session)
0f113f3e 3532{
b4faea50 3533 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
0f113f3e 3534 unsigned char *p;
35b0ea4e 3535
0f113f3e
MC		 3536 SSL_SESSION_get_id(session, &sess->idlen);
3537 sess->derlen = i2d_SSL_SESSION(session, NULL);
7e1b7485
RS		 3538 if (sess->derlen < 0) {
3539 BIO_printf(bio_err, "Error encoding session\n");
a194ee7b 3540 OPENSSL_free(sess);
7e1b7485
RS		 3541 return 0;
3542 }
35b0ea4e 3543
7644a9ae 3544 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
68dc6824
RS		 3545 sess->der = app_malloc(sess->derlen, "get session buffer");
3546 if (!sess->id) {
7e1b7485 3547 BIO_printf(bio_err, "Out of memory adding to external cache\n");
a194ee7b
RS		 3548 OPENSSL_free(sess->id);
3549 OPENSSL_free(sess->der);
918bb865
MC		 3550 OPENSSL_free(sess);
3551 return 0;
3552 }
0f113f3e 3553 p = sess->der;
7e1b7485
RS		 3554
3555 /* Assume it still works. */
3556 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
ce6766de 3557 BIO_printf(bio_err, "Unexpected session encoding length\n");
a194ee7b
RS		 3558 OPENSSL_free(sess->id);
3559 OPENSSL_free(sess->der);
3560 OPENSSL_free(sess);
ac59d705
MC		 3561 return 0;
3562 }
35b0ea4e 3563
0f113f3e
MC		 3564 sess->next = first;
3565 first = sess;
3566 BIO_printf(bio_err, "New session added to external cache\n");
3567 return 0;
3568}
35b0ea4e 3569
b6981744 3570static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
0f113f3e
MC		 3571 int *do_copy)
3572{
3573 simple_ssl_session *sess;
3574 *do_copy = 0;
3575 for (sess = first; sess; sess = sess->next) {
3576 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3577 const unsigned char *p = sess->der;
3578 BIO_printf(bio_err, "Lookup session: cache hit\n");
3579 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3580 }
3581 }
3582 BIO_printf(bio_err, "Lookup session: cache miss\n");
3583 return NULL;
3584}
35b0ea4e
DSH		 3585
3586static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
0f113f3e
MC		 3587{
3588 simple_ssl_session *sess, *prev = NULL;
3589 const unsigned char *id;
3590 unsigned int idlen;
3591 id = SSL_SESSION_get_id(session, &idlen);
3592 for (sess = first; sess; sess = sess->next) {
3593 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3594 if (prev)
3595 prev->next = sess->next;
3596 else
3597 first = sess->next;
3598 OPENSSL_free(sess->id);
3599 OPENSSL_free(sess->der);
3600 OPENSSL_free(sess);
3601 return;
3602 }
3603 prev = sess;
3604 }
3605}
35b0ea4e
DSH		 3606
3607static void init_session_cache_ctx(SSL_CTX *sctx)
0f113f3e
MC		 3608{
3609 SSL_CTX_set_session_cache_mode(sctx,
3610 SSL_SESS_CACHE_NO_INTERNAL |
3611 SSL_SESS_CACHE_SERVER);
3612 SSL_CTX_sess_set_new_cb(sctx, add_session);
3613 SSL_CTX_sess_set_get_cb(sctx, get_session);
3614 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3615}
35b0ea4e
DSH		 3616
3617static void free_sessions(void)
0f113f3e
MC		 3618{
3619 simple_ssl_session *sess, *tsess;
3620 for (sess = first; sess;) {
3621 OPENSSL_free(sess->id);
3622 OPENSSL_free(sess->der);
3623 tsess = sess;
3624 sess = sess->next;
3625 OPENSSL_free(tsess);
3626 }
3627 first = NULL;
3628}
f9e55034 3629
d6073e27 3630#endif /* OPENSSL_NO_SOCK */
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