]> git.ipfire.org Git - thirdparty/openssl.git/blame - apps/s_server.c
projects / thirdparty / openssl.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Add SSL_SESSION_set_protocol_version()
[thirdparty/openssl.git] / apps / s_server.c
CommitLineData
846e33c7 1/*
2234212c 2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
aa8f3d76 3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
c80149d9 4 * Copyright 2005 Nokia. All rights reserved.
a661b653 5 *
846e33c7
RS		 6 * Licensed under the OpenSSL license (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
a661b653 10 */
846e33c7 11
ddac1974 12#include <ctype.h>
8c197cc5
UM		 13#include <stdio.h>
14#include <stdlib.h>
15#include <string.h>
54463e4f
F		 16#if defined(_WIN32)
17/* Included before async.h to avoid some warnings */
18# include <windows.h>
19#endif
4d8743f4 20
be1bd923 21#include <openssl/e_os2.h>
54463e4f
F		 22#include <openssl/async.h>
23#include <openssl/ssl.h>
8c197cc5 24
f9e55034
MC		 25#ifndef OPENSSL_NO_SOCK
26
0f113f3e
MC		 27/*
28 * With IPv6, it looks like Digital has mixed up the proper order of
29 * recursive header file inclusion, resulting in the compiler complaining
30 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
31 * needed to have fileno() declared correctly... So let's define u_int
32 */
bc36ee62 33#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
0f113f3e 34# define __U_INT
7d7d2cbc
UM		 35typedef unsigned int u_int;
36#endif
37
ec577822
BM		 38#include <openssl/lhash.h>
39#include <openssl/bn.h>
d02b48c6
RE		 40#define USE_SOCKETS
41#include "apps.h"
ec577822
BM		 42#include <openssl/err.h>
43#include <openssl/pem.h>
44#include <openssl/x509.h>
45#include <openssl/ssl.h>
1372965e 46#include <openssl/rand.h>
67c8e7f4 47#include <openssl/ocsp.h>
3eeaab4b 48#ifndef OPENSSL_NO_DH
0f113f3e 49# include <openssl/dh.h>
3eeaab4b
NL		 50#endif
51#ifndef OPENSSL_NO_RSA
0f113f3e 52# include <openssl/rsa.h>
3eeaab4b 53#endif
edc032b5 54#ifndef OPENSSL_NO_SRP
0f113f3e 55# include <openssl/srp.h>
edc032b5 56#endif
d02b48c6 57#include "s_apps.h"
36d16f8e 58#include "timeouts.h"
5fd1478d
MC		 59#ifdef CHARSET_EBCDIC
60#include <openssl/ebcdic.h>
61#endif
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);
1aa0d947 70static int generate_session_id(const 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;
118
593a2aa3 119static int early_data = 0;
df894947 120static SSL_SESSION *psksess = NULL;
593a2aa3 121
ddac1974 122#ifndef OPENSSL_NO_PSK
720b6cbe 123static char *psk_identity = "Client_identity";
0f113f3e 124char *psk_key = NULL; /* by default PSK is not used */
ddac1974
NL		 125
126static unsigned int psk_server_cb(SSL *ssl, const char *identity,
0f113f3e
MC		 127 unsigned char *psk,
128 unsigned int max_psk_len)
129{
6ec6d520
DSH		 130 long key_len = 0;
131 unsigned char *key;
0f113f3e
MC		 132
133 if (s_debug)
134 BIO_printf(bio_s_out, "psk_server_cb\n");
2234212c 135 if (identity == NULL) {
0f113f3e
MC		 136 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
137 goto out_err;
138 }
139 if (s_debug)
140 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
11abf922 141 (int)strlen(identity), identity);
0f113f3e
MC		 142
143 /* here we could lookup the given identity e.g. from a database */
144 if (strcmp(identity, psk_identity) != 0) {
720b6cbe 145 BIO_printf(bio_s_out, "PSK warning: client identity not what we expected"
0f113f3e 146 " (got '%s' expected '%s')\n", identity, psk_identity);
720b6cbe
DKG		 147 } else {
148 if (s_debug)
0f113f3e 149 BIO_printf(bio_s_out, "PSK client identity found\n");
720b6cbe 150 }
0f113f3e
MC		 151
152 /* convert the PSK key to binary */
6ec6d520
DSH		 153 key = OPENSSL_hexstr2buf(psk_key, &key_len);
154 if (key == NULL) {
155 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
0f113f3e 156 psk_key);
0f113f3e
MC		 157 return 0;
158 }
6ec6d520 159 if (key_len > (int)max_psk_len) {
0f113f3e 160 BIO_printf(bio_err,
6ec6d520
DSH		 161 "psk buffer of callback is too small (%d) for key (%ld)\n",
162 max_psk_len, key_len);
163 OPENSSL_free(key);
0f113f3e
MC		 164 return 0;
165 }
166
6ec6d520
DSH		 167 memcpy(psk, key, key_len);
168 OPENSSL_free(key);
0f113f3e
MC		 169
170 if (s_debug)
6ec6d520
DSH		 171 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
172 return key_len;
ddac1974 173 out_err:
0f113f3e
MC		 174 if (s_debug)
175 BIO_printf(bio_err, "Error in PSK server callback\n");
c54cc2b1
RS		 176 (void)BIO_flush(bio_err);
177 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 178 return 0;
179}
ddac1974 180#endif
36d16f8e 181
df894947
MC		 182static int psk_find_session_cb(SSL *ssl, const unsigned char *identity,
183 size_t identity_len, SSL_SESSION **sess)
184{
185 if (strlen(psk_identity) != identity_len
186 || memcmp(psk_identity, identity, identity_len) != 0)
187 return 0;
188
189 SSL_SESSION_up_ref(psksess);
190 *sess = psksess;
191
192 return 1;
193}
194
edc032b5
BL		 195#ifndef OPENSSL_NO_SRP
196/* This is a context that we pass to callbacks */
0f113f3e
MC		 197typedef struct srpsrvparm_st {
198 char *login;
199 SRP_VBASE *vb;
200 SRP_user_pwd *user;
201} srpsrvparm;
202
203/*
204 * This callback pretends to require some asynchronous logic in order to
205 * obtain a verifier. When the callback is called for a new connection we
206 * return with a negative value. This will provoke the accept etc to return
207 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
208 * (which would normally occur after a worker has finished) and we set the
209 * user parameters.
210 */
6d23cf97 211static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 212{
213 srpsrvparm *p = (srpsrvparm *) arg;
380f18ed
EK		 214 int ret = SSL3_AL_FATAL;
215
0f113f3e
MC		 216 if (p->login == NULL && p->user == NULL) {
217 p->login = SSL_get_srp_username(s);
218 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
219 return (-1);
220 }
221
222 if (p->user == NULL) {
223 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
380f18ed 224 goto err;
0f113f3e 225 }
380f18ed 226
0f113f3e
MC		 227 if (SSL_set_srp_server_param
228 (s, p->user->N, p->user->g, p->user->s, p->user->v,
229 p->user->info) < 0) {
230 *ad = SSL_AD_INTERNAL_ERROR;
380f18ed 231 goto err;
0f113f3e
MC		 232 }
233 BIO_printf(bio_err,
234 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
235 p->login, p->user->info);
380f18ed
EK		 236 ret = SSL_ERROR_NONE;
237
d6073e27 238 err:
380f18ed 239 SRP_user_pwd_free(p->user);
0f113f3e
MC		 240 p->user = NULL;
241 p->login = NULL;
380f18ed 242 return ret;
0f113f3e 243}
edc032b5
BL		 244
245#endif
246
0f113f3e 247static int local_argc = 0;
d02b48c6 248static char **local_argv;
d02b48c6 249
a53955d8
UM		 250#ifdef CHARSET_EBCDIC
251static int ebcdic_new(BIO *bi);
252static int ebcdic_free(BIO *a);
253static int ebcdic_read(BIO *b, char *out, int outl);
0fd05a2f
BM		 254static int ebcdic_write(BIO *b, const char *in, int inl);
255static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
a53955d8 256static int ebcdic_gets(BIO *bp, char *buf, int size);
0fd05a2f 257static int ebcdic_puts(BIO *bp, const char *str);
a53955d8 258
0f113f3e 259# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
5fd1478d 260static BIO_METHOD *methods_ebcdic = NULL;
0f113f3e 261
68dc6824 262/* This struct is "unwarranted chumminess with the compiler." */
0f113f3e
MC		 263typedef struct {
264 size_t alloced;
265 char buff[1];
a53955d8
UM		 266} EBCDIC_OUTBUFF;
267
5fd1478d 268static const BIO_METHOD *BIO_f_ebcdic_filter()
a53955d8 269{
5fd1478d
MC		 270 if (methods_ebcdic == NULL) {
271 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
d6073e27
F		 272 "EBCDIC/ASCII filter");
273 if (methods_ebcdic == NULL
5fd1478d
MC		 274 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
275 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
276 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
277 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
278 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
279 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
280 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
281 return NULL;
282 }
283 return methods_ebcdic;
a53955d8
UM		 284}
285
286static int ebcdic_new(BIO *bi)
287{
0f113f3e 288 EBCDIC_OUTBUFF *wbuf;
a53955d8 289
b4faea50 290 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
0f113f3e
MC		 291 wbuf->alloced = 1024;
292 wbuf->buff[0] = '\0';
a53955d8 293
5fd1478d
MC		 294 BIO_set_data(bi, wbuf);
295 BIO_set_init(bi, 1);
296 return 1;
a53955d8
UM		 297}
298
299static int ebcdic_free(BIO *a)
300{
5fd1478d
MC		 301 EBCDIC_OUTBUFF *wbuf;
302
0f113f3e 303 if (a == NULL)
5fd1478d
MC		 304 return 0;
305 wbuf = BIO_get_data(a);
306 OPENSSL_free(wbuf);
307 BIO_set_data(a, NULL);
308 BIO_set_init(a, 0);
309
310 return 1;
a53955d8 311}
0f113f3e 312
a53955d8
UM		 313static int ebcdic_read(BIO *b, char *out, int outl)
314{
0f113f3e 315 int ret = 0;
5fd1478d 316 BIO *next = BIO_next(b);
a53955d8 317
0f113f3e
MC		 318 if (out == NULL || outl == 0)
319 return (0);
5fd1478d 320 if (next == NULL)
0f113f3e 321 return (0);
a53955d8 322
5fd1478d 323 ret = BIO_read(next, out, outl);
0f113f3e
MC		 324 if (ret > 0)
325 ascii2ebcdic(out, out, ret);
5fd1478d 326 return ret;
a53955d8
UM		 327}
328
0fd05a2f 329static int ebcdic_write(BIO *b, const char *in, int inl)
a53955d8 330{
0f113f3e 331 EBCDIC_OUTBUFF *wbuf;
5fd1478d 332 BIO *next = BIO_next(b);
0f113f3e
MC		 333 int ret = 0;
334 int num;
a53955d8 335
0f113f3e
MC		 336 if ((in == NULL) || (inl <= 0))
337 return (0);
5fd1478d
MC		 338 if (next == NULL)
339 return 0;
a53955d8 340
5fd1478d 341 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
a53955d8 342
0f113f3e
MC		 343 if (inl > (num = wbuf->alloced)) {
344 num = num + num; /* double the size */
345 if (num < inl)
346 num = inl;
5fd1478d 347 OPENSSL_free(wbuf);
b4faea50 348 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
a53955d8 349
0f113f3e
MC		 350 wbuf->alloced = num;
351 wbuf->buff[0] = '\0';
a53955d8 352
5fd1478d 353 BIO_set_data(b, wbuf);
0f113f3e 354 }
a53955d8 355
0f113f3e 356 ebcdic2ascii(wbuf->buff, in, inl);
a53955d8 357
5fd1478d 358 ret = BIO_write(next, wbuf->buff, inl);
a53955d8 359
0f113f3e 360 return (ret);
a53955d8
UM		 361}
362
0fd05a2f 363static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
a53955d8 364{
0f113f3e 365 long ret;
5fd1478d 366 BIO *next = BIO_next(b);
0f113f3e 367
5fd1478d 368 if (next == NULL)
0f113f3e
MC		 369 return (0);
370 switch (cmd) {
371 case BIO_CTRL_DUP:
372 ret = 0L;
373 break;
374 default:
5fd1478d 375 ret = BIO_ctrl(next, cmd, num, ptr);
0f113f3e
MC		 376 break;
377 }
378 return (ret);
a53955d8
UM		 379}
380
381static int ebcdic_gets(BIO *bp, char *buf, int size)
382{
0f113f3e 383 int i, ret = 0;
5fd1478d
MC		 384 BIO *next = BIO_next(bp);
385
386 if (next == NULL)
387 return 0;
0f113f3e
MC		 388/* return(BIO_gets(bp->next_bio,buf,size));*/
389 for (i = 0; i < size - 1; ++i) {
390 ret = ebcdic_read(bp, &buf[i], 1);
391 if (ret <= 0)
392 break;
393 else if (buf[i] == '\n') {
394 ++i;
395 break;
396 }
397 }
398 if (i < size)
399 buf[i] = '\0';
400 return (ret < 0 && i == 0) ? ret : i;
a53955d8
UM		 401}
402
0fd05a2f 403static int ebcdic_puts(BIO *bp, const char *str)
a53955d8 404{
5fd1478d
MC		 405 if (BIO_next(bp) == NULL)
406 return 0;
0f113f3e 407 return ebcdic_write(bp, str, strlen(str));
a53955d8
UM		 408}
409#endif
410
ed3883d2
BM		 411/* This is a context that we pass to callbacks */
412typedef struct tlsextctx_st {
0f113f3e
MC		 413 char *servername;
414 BIO *biodebug;
415 int extension_error;
ed3883d2
BM		 416} tlsextctx;
417
6d23cf97 418static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 419{
420 tlsextctx *p = (tlsextctx *) arg;
421 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
2234212c 422 if (servername != NULL && p->biodebug != NULL)
0f113f3e
MC		 423 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
424 servername);
425
2234212c 426 if (p->servername == NULL)
0f113f3e
MC		 427 return SSL_TLSEXT_ERR_NOACK;
428
2234212c 429 if (servername != NULL) {
0f113f3e
MC		 430 if (strcasecmp(servername, p->servername))
431 return p->extension_error;
2234212c 432 if (ctx2 != NULL) {
0f113f3e
MC		 433 BIO_printf(p->biodebug, "Switching server context.\n");
434 SSL_set_SSL_CTX(s, ctx2);
435 }
436 }
437 return SSL_TLSEXT_ERR_OK;
ed3883d2 438}
67c8e7f4
DSH		 439
440/* Structure passed to cert status callback */
67c8e7f4 441typedef struct tlsextstatusctx_st {
f5ca0b04 442 int timeout;
acf65ae5
MC		 443 /* File to load OCSP Response from (or NULL if no file) */
444 char *respin;
0f113f3e
MC		 445 /* Default responder to use */
446 char *host, *path, *port;
447 int use_ssl;
0f113f3e 448 int verbose;
67c8e7f4
DSH		 449} tlsextstatusctx;
450
f5ca0b04 451static tlsextstatusctx tlscstatp = { -1 };
67c8e7f4 452
3e41ac35 453#ifndef OPENSSL_NO_OCSP
acf65ae5 454
0f113f3e 455/*
acf65ae5
MC		 456 * Helper function to get an OCSP_RESPONSE from a responder. This is a
457 * simplified version. It examines certificates each time and makes one OCSP
458 * responder query for each request. A full version would store details such as
459 * the OCSP certificate IDs and minimise the number of OCSP responses by caching
460 * them until they were considered "expired".
67c8e7f4 461 */
acf65ae5
MC		 462static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx,
463 OCSP_RESPONSE **resp)
0f113f3e 464{
4c9b0a03 465 char *host = NULL, *port = NULL, *path = NULL;
0f113f3e 466 int use_ssl;
0f113f3e
MC		 467 STACK_OF(OPENSSL_STRING) *aia = NULL;
468 X509 *x = NULL;
f0e0fd51
RS		 469 X509_STORE_CTX *inctx = NULL;
470 X509_OBJECT *obj;
0f113f3e 471 OCSP_REQUEST *req = NULL;
0f113f3e
MC		 472 OCSP_CERTID *id = NULL;
473 STACK_OF(X509_EXTENSION) *exts;
474 int ret = SSL_TLSEXT_ERR_NOACK;
475 int i;
7e1b7485 476
0f113f3e
MC		 477 /* Build up OCSP query from server certificate */
478 x = SSL_get_certificate(s);
479 aia = X509_get1_ocsp(x);
2234212c 480 if (aia != NULL) {
0f113f3e
MC		 481 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
482 &host, &port, &path, &use_ssl)) {
7e1b7485 483 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
0f113f3e
MC		 484 goto err;
485 }
486 if (srctx->verbose)
7e1b7485 487 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
0f113f3e
MC		 488 sk_OPENSSL_STRING_value(aia, 0));
489 } else {
2234212c 490 if (srctx->host == NULL) {
7e1b7485 491 BIO_puts(bio_err,
0f113f3e
MC		 492 "cert_status: no AIA and no default responder URL\n");
493 goto done;
494 }
495 host = srctx->host;
496 path = srctx->path;
497 port = srctx->port;
498 use_ssl = srctx->use_ssl;
499 }
500
f0e0fd51
RS		 501 inctx = X509_STORE_CTX_new();
502 if (inctx == NULL)
503 goto err;
504 if (!X509_STORE_CTX_init(inctx,
0f113f3e
MC		 505 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
506 NULL, NULL))
507 goto err;
6ddbb4cd
RS		 508 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
509 X509_get_issuer_name(x));
f0e0fd51 510 if (obj == NULL) {
7e1b7485 511 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
0f113f3e
MC		 512 goto done;
513 }
f0e0fd51
RS		 514 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
515 X509_OBJECT_free(obj);
2234212c 516 if (id == NULL)
0f113f3e 517 goto err;
0461b7ea
MC		 518 req = OCSP_REQUEST_new();
519 if (req == NULL)
520 goto err;
0f113f3e
MC		 521 if (!OCSP_request_add0_id(req, id))
522 goto err;
523 id = NULL;
524 /* Add any extensions to the request */
525 SSL_get_tlsext_status_exts(s, &exts);
526 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
527 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
528 if (!OCSP_REQUEST_add_ext(req, ext, -1))
529 goto err;
530 }
acf65ae5 531 *resp = process_responder(req, host, path, port, use_ssl, NULL,
0f113f3e 532 srctx->timeout);
acf65ae5 533 if (*resp == NULL) {
7e1b7485 534 BIO_puts(bio_err, "cert_status: error querying responder\n");
0f113f3e
MC		 535 goto done;
536 }
acf65ae5 537
0f113f3e 538 ret = SSL_TLSEXT_ERR_OK;
f0e0fd51
RS		 539 goto done;
540
541 err:
542 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
0f113f3e 543 done:
6530c490
MC		 544 /*
545 * If we parsed aia we need to free; otherwise they were copied and we
546 * don't
547 */
f5ca0b04 548 if (aia != NULL) {
0f113f3e
MC		 549 OPENSSL_free(host);
550 OPENSSL_free(path);
551 OPENSSL_free(port);
552 X509_email_free(aia);
553 }
25aaa98a
RS		 554 OCSP_CERTID_free(id);
555 OCSP_REQUEST_free(req);
f0e0fd51 556 X509_STORE_CTX_free(inctx);
0f113f3e 557 return ret;
0f113f3e 558}
acf65ae5
MC		 559
560/*
561 * Certificate Status callback. This is called when a client includes a
562 * certificate status request extension. The response is either obtained from a
563 * file, or from an OCSP responder.
564 */
565static int cert_status_cb(SSL *s, void *arg)
566{
567 tlsextstatusctx *srctx = arg;
568 OCSP_RESPONSE *resp = NULL;
569 unsigned char *rspder = NULL;
570 int rspderlen;
571 int ret = SSL_TLSEXT_ERR_ALERT_FATAL;
572
573 if (srctx->verbose)
574 BIO_puts(bio_err, "cert_status: callback called\n");
575
576 if (srctx->respin != NULL) {
577 BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1);
578 if (derbio == NULL) {
579 BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n");
580 goto err;
581 }
582 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
583 BIO_free(derbio);
f5ca0b04 584 if (resp == NULL) {
acf65ae5
MC		 585 BIO_puts(bio_err, "cert_status: Error reading OCSP response\n");
586 goto err;
587 }
588 } else {
589 ret = get_ocsp_resp_from_responder(s, srctx, &resp);
590 if (ret != SSL_TLSEXT_ERR_OK)
591 goto err;
592 }
593
594 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
595 if (rspderlen <= 0)
596 goto err;
597
598 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
599 if (srctx->verbose) {
600 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
601 OCSP_RESPONSE_print(bio_err, resp, 2);
602 }
603
604 ret = SSL_TLSEXT_ERR_OK;
605
606 err:
607 if (ret != SSL_TLSEXT_ERR_OK)
608 ERR_print_errors(bio_err);
609
610 OCSP_RESPONSE_free(resp);
611
612 return ret;
613}
3e41ac35 614#endif
ee2ffc27 615
e481f9b9 616#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 617/* This is the context that we pass to next_proto_cb */
618typedef struct tlsextnextprotoctx_st {
0f113f3e 619 unsigned char *data;
f2ff1432 620 size_t len;
ee2ffc27
BL		 621} tlsextnextprotoctx;
622
0f113f3e
MC		 623static int next_proto_cb(SSL *s, const unsigned char **data,
624 unsigned int *len, void *arg)
625{
626 tlsextnextprotoctx *next_proto = arg;
ee2ffc27 627
0f113f3e
MC		 628 *data = next_proto->data;
629 *len = next_proto->len;
ee2ffc27 630
0f113f3e
MC		 631 return SSL_TLSEXT_ERR_OK;
632}
e481f9b9 633#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
6f017a8f
AL		 634
635/* This the context that we pass to alpn_cb */
636typedef struct tlsextalpnctx_st {
0f113f3e 637 unsigned char *data;
817cd0d5 638 size_t len;
6f017a8f
AL		 639} tlsextalpnctx;
640
0f113f3e
MC		 641static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
642 const unsigned char *in, unsigned int inlen, void *arg)
643{
644 tlsextalpnctx *alpn_ctx = arg;
645
646 if (!s_quiet) {
647 /* We can assume that |in| is syntactically valid. */
817cd0d5 648 unsigned int i;
0f113f3e
MC		 649 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
650 for (i = 0; i < inlen;) {
651 if (i)
652 BIO_write(bio_s_out, ", ", 2);
653 BIO_write(bio_s_out, &in[i + 1], in[i]);
654 i += in[i] + 1;
655 }
656 BIO_write(bio_s_out, "\n", 1);
657 }
658
659 if (SSL_select_next_proto
660 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
661 inlen) != OPENSSL_NPN_NEGOTIATED) {
662 return SSL_TLSEXT_ERR_NOACK;
663 }
664
665 if (!s_quiet) {
666 BIO_printf(bio_s_out, "ALPN protocols selected: ");
667 BIO_write(bio_s_out, *out, *outlen);
668 BIO_write(bio_s_out, "\n", 1);
669 }
670
671 return SSL_TLSEXT_ERR_OK;
672}
ed3883d2 673
7c2d4fee 674static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
0f113f3e
MC		 675{
676 /* disable resumption for sessions with forward secure ciphers */
677 return is_forward_secure;
678}
7c2d4fee 679
c79f22c6 680#ifndef OPENSSL_NO_SRP
0f113f3e 681static srpsrvparm srp_callback_parm;
c79f22c6 682#endif
e783bae2 683#ifndef OPENSSL_NO_SRTP
333f926d 684static char *srtp_profiles = NULL;
e783bae2 685#endif
6caa4edd 686
7e1b7485 687typedef enum OPTION_choice {
ab69ac00
RL		 688 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
689 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
a7c04f2b 690 OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
7e1b7485
RS		 691 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
692 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
693 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
2b6bcb70 694 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
7e1b7485 695 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
2b6bcb70
MC		 696 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
697 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
698 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
acf65ae5
MC		 699 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE,
700 OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE,
701 OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
df894947
MC		 702 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK,
703 OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW,
704 OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG,
28e5ea88 705 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
582a17d6 706 OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
72d0bc84 707 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
7e1b7485 708 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
dba31777 709 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
7e1b7485 710 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
e0655186 711 OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_EARLY_DATA,
7e1b7485
RS		 712 OPT_S_ENUM,
713 OPT_V_ENUM,
5561419a 714 OPT_X_ENUM
7e1b7485
RS		 715} OPTION_CHOICE;
716
44c83ebd 717const OPTIONS s_server_options[] = {
7e1b7485 718 {"help", OPT_HELP, '-', "Display this summary"},
32eabe34
MR		 719 {"port", OPT_PORT, 'p',
720 "TCP/IP port to listen on for connections (default is " PORT ")"},
ab69ac00 721 {"accept", OPT_ACCEPT, 's',
a22f9c84 722 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
ab69ac00 723#ifdef AF_UNIX
7e1b7485 724 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
ab69ac00
RL		 725#endif
726 {"4", OPT_4, '-', "Use IPv4 only"},
727 {"6", OPT_6, '-', "Use IPv6 only"},
32eabe34 728#ifdef AF_UNIX
7e1b7485 729 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
32eabe34 730#endif
7e1b7485
RS		 731 {"context", OPT_CONTEXT, 's', "Set session ID context"},
732 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
733 {"Verify", OPT_UPPER_V_VERIFY, 'n',
734 "Turn on peer certificate verification, must have a cert"},
735 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
a7c04f2b 736 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
ceab33e2 737 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
7e1b7485
RS		 738 {"serverinfo", OPT_SERVERINFO, 's',
739 "PEM serverinfo file for certificate"},
7e1b7485
RS		 740 {"certform", OPT_CERTFORM, 'F',
741 "Certificate format (PEM or DER) PEM default"},
742 {"key", OPT_KEY, '<',
743 "Private Key if not in -cert; default is " TEST_CERT},
744 {"keyform", OPT_KEYFORM, 'f',
745 "Key format (PEM, DER or ENGINE) PEM default"},
746 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
747 {"dcert", OPT_DCERT, '<',
748 "Second certificate file to use (usually for DSA)"},
749 {"dcertform", OPT_DCERTFORM, 'F',
750 "Second certificate format (PEM or DER) PEM default"},
751 {"dkey", OPT_DKEY, '<',
752 "Second private key file to use (usually for DSA)"},
753 {"dkeyform", OPT_DKEYFORM, 'F',
754 "Second key format (PEM, DER or ENGINE) PEM default"},
755 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
7e1b7485
RS		 756 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
757 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
758 {"debug", OPT_DEBUG, '-', "Print more output"},
759 {"msg", OPT_MSG, '-', "Show protocol messages"},
32eabe34
MR		 760 {"msgfile", OPT_MSGFILE, '>',
761 "File to send output of -msg or -trace, instead of stdout"},
7e1b7485 762 {"state", OPT_STATE, '-', "Print the SSL states"},
7e1b7485 763 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
2b6bcb70
MC		 764 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
765 {"no-CAfile", OPT_NOCAFILE, '-',
766 "Do not load the default certificates file"},
767 {"no-CApath", OPT_NOCAPATH, '-',
768 "Do not load certificates from the default certificates directory"},
7e1b7485
RS		 769 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
770 {"quiet", OPT_QUIET, '-', "No server output"},
7e1b7485
RS		 771 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
772 "Disable caching and tickets if ephemeral (EC)DH is used"},
773 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
774 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
7e1b7485
RS		 775 {"servername", OPT_SERVERNAME, 's',
776 "Servername for HostName TLS extension"},
777 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
778 "mismatch send fatal alert (default warning alert)"},
779 {"cert2", OPT_CERT2, '<',
780 "Certificate file to use for servername; default is" TEST_CERT2},
781 {"key2", OPT_KEY2, '<',
782 "-Private Key file to use for servername if not in -cert2"},
783 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
784 "Hex dump of all TLS extensions received"},
ceab33e2 785 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
9c3bcfa0
RS		 786 {"id_prefix", OPT_ID_PREFIX, 's',
787 "Generate SSL/TLS session IDs prefixed by arg"},
788 {"rand", OPT_RAND, 's',
789 "Load the file(s) into the random number generator"},
7e1b7485
RS		 790 {"keymatexport", OPT_KEYMATEXPORT, 's',
791 "Export keying material using label"},
792 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
793 "Export len bytes of keying material (default 20)"},
32eabe34
MR		 794 {"CRL", OPT_CRL, '<', "CRL file to use"},
795 {"crl_download", OPT_CRL_DOWNLOAD, '-',
796 "Download CRL from distribution points"},
797 {"cert_chain", OPT_CERT_CHAIN, '<',
798 "certificate chain file in PEM format"},
799 {"dcert_chain", OPT_DCERT_CHAIN, '<',
800 "second certificate chain file in PEM format"},
801 {"chainCApath", OPT_CHAINCAPATH, '/',
802 "use dir as certificate store path to build CA certificate chain"},
803 {"verifyCApath", OPT_VERIFYCAPATH, '/',
804 "use dir as certificate store path to verify CA certificate"},
805 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
806 {"ext_cache", OPT_EXT_CACHE, '-',
807 "Disable internal cache, setup and use external cache"},
d6073e27 808 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
32eabe34
MR		 809 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
810 "Close connection on verification error"},
811 {"verify_quiet", OPT_VERIFY_QUIET, '-',
812 "No verify output except verify errors"},
813 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
814 {"chainCAfile", OPT_CHAINCAFILE, '<',
815 "CA file for certificate chain (PEM format)"},
816 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
817 "CA file for certificate verification (PEM format)"},
818 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
819 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
3e41ac35 820#ifndef OPENSSL_NO_OCSP
32eabe34
MR		 821 {"status", OPT_STATUS, '-', "Request certificate status from server"},
822 {"status_verbose", OPT_STATUS_VERBOSE, '-',
823 "Print more output in certificate status callback"},
824 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
825 "Status request responder timeout"},
826 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
acf65ae5
MC		 827 {"status_file", OPT_STATUS_FILE, '<',
828 "File containing DER encoded OCSP Response"},
3e41ac35 829#endif
32eabe34
MR		 830#ifndef OPENSSL_NO_SSL_TRACE
831 {"trace", OPT_TRACE, '-', "trace protocol messages"},
832#endif
833 {"security_debug", OPT_SECURITY_DEBUG, '-',
834 "Print output from SSL/TLS security framework"},
835 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
836 "Print more output from SSL/TLS security framework"},
d6073e27 837 {"brief", OPT_BRIEF, '-',
32eabe34
MR		 838 "Restrict output to brief summary of connection parameters"},
839 {"rev", OPT_REV, '-',
840 "act as a simple test server which just sends back with the received text reversed"},
7e25dd6d 841 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
d6073e27 842 {"ssl_config", OPT_SSL_CONFIG, 's',
32eabe34 843 "Configure SSL_CTX using the configuration 'val'"},
28e5ea88 844 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
36b2cfb1 845 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
0df80881 846 "Size used to split data for encrypt pipelines"},
36b2cfb1 847 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
032c6d21 848 "Maximum number of encrypt/decrypt pipelines to be used"},
36b2cfb1 849 {"read_buf", OPT_READ_BUF, 'p',
dad78fb1 850 "Default read buffer size to be used for connections"},
7e1b7485
RS		 851 OPT_S_OPTIONS,
852 OPT_V_OPTIONS,
853 OPT_X_OPTIONS,
9c3bcfa0 854 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
9c3bcfa0 855#ifndef OPENSSL_NO_PSK
720b6cbe 856 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"},
9c3bcfa0
RS		 857 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
858 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
9c3bcfa0 859#endif
df894947 860 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
9c3bcfa0
RS		 861#ifndef OPENSSL_NO_SRP
862 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
863 {"srpuserseed", OPT_SRPUSERSEED, 's',
864 "A seed string for a default user salt"},
865#endif
866#ifndef OPENSSL_NO_SSL3
867 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
868#endif
6b01bed2
VD		 869#ifndef OPENSSL_NO_TLS1
870 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
871#endif
872#ifndef OPENSSL_NO_TLS1_1
873 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
874#endif
875#ifndef OPENSSL_NO_TLS1_2
876 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
877#endif
582a17d6
MC		 878#ifndef OPENSSL_NO_TLS1_3
879 {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"},
880#endif
a5ecdc6a 881#ifndef OPENSSL_NO_DTLS
32eabe34 882 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
9c3bcfa0
RS		 883 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
884 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
fd4e98ec
MC		 885 {"listen", OPT_LISTEN, '-',
886 "Listen for a DTLS ClientHello with a cookie and then connect"},
9c3bcfa0 887#endif
6b01bed2
VD		 888#ifndef OPENSSL_NO_DTLS1
889 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
890#endif
891#ifndef OPENSSL_NO_DTLS1_2
892 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
893#endif
72d0bc84
MC		 894#ifndef OPENSSL_NO_SCTP
895 {"sctp", OPT_SCTP, '-', "Use SCTP"},
896#endif
9c3bcfa0
RS		 897#ifndef OPENSSL_NO_DH
898 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
899#endif
9c3bcfa0
RS		 900#ifndef OPENSSL_NO_NEXTPROTONEG
901 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
902 "Set the advertised protocols for the NPN extension (comma-separated list)"},
903#endif
904#ifndef OPENSSL_NO_SRTP
e77bdc73 905 {"use_srtp", OPT_SRTP_PROFILES, 's',
9c3bcfa0 906 "Offer SRTP key management with a colon-separated profile list"},
b07c703f 907#endif
9c3bcfa0
RS		 908 {"alpn", OPT_ALPN, 's',
909 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
9c3bcfa0 910#ifndef OPENSSL_NO_ENGINE
32eabe34 911 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
9c3bcfa0 912#endif
4bf73e9f 913 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
6746648c 914 {"max_early_data", OPT_MAX_EARLY, 'n',
048b1893 915 "The maximum number of bytes of early data"},
e0655186 916 {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
bde136c8 917 {NULL, OPT_EOF, 0, NULL}
7e1b7485
RS		 918};
919
4bbd4ba6
MC		 920#define IS_PROT_FLAG(o) \
921 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
582a17d6 922 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
4bbd4ba6 923
7e1b7485 924int s_server_main(int argc, char *argv[])
0f113f3e 925{
bde136c8 926 ENGINE *engine = NULL;
7e1b7485
RS		 927 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
928 SSL_CONF_CTX *cctx = NULL;
32ec4153 929 const SSL_METHOD *meth = TLS_server_method();
7e1b7485
RS		 930 SSL_EXCERT *exc = NULL;
931 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
932 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
933 STACK_OF(X509_CRL) *crls = NULL;
934 X509 *s_cert = NULL, *s_dcert = NULL;
0f113f3e 935 X509_VERIFY_PARAM *vpm = NULL;
cc696296 936 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
37f3a3b3 937 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
7e1b7485 938 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
a7f82a1a 939 char *crl_file = NULL, *prog;
ab69ac00 940#ifdef AF_UNIX
0f113f3e
MC		 941 int unlink_unix_path = 0;
942#endif
a773b52a 943 do_server_cb server_cb;
7e1b7485 944 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
37f3a3b3 945#ifndef OPENSSL_NO_DH
54463e4f 946 char *dhfile = NULL;
37f3a3b3
DSH		 947 int no_dhe = 0;
948#endif
8caab744 949 int nocert = 0, ret = 1;
2b6bcb70 950 int noCApath = 0, noCAfile = 0;
0f113f3e 951 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
0f113f3e 952 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
ab69ac00 953 int rev = 0, naccept = -1, sdebug = 0;
72d0bc84 954 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
7e1b7485 955 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
ab69ac00
RL		 956 char *host = NULL;
957 char *port = BUF_strdup(PORT);
7e1b7485
RS		 958 unsigned char *context = NULL;
959 OPTION_CHOICE o;
0f113f3e
MC		 960 EVP_PKEY *s_key2 = NULL;
961 X509 *s_cert2 = NULL;
962 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
287d0b94 963 const char *ssl_config = NULL;
dad78fb1 964 int read_buf_len = 0;
e481f9b9 965#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC		 966 const char *next_proto_neg_in = NULL;
967 tlsextnextprotoctx next_proto = { NULL, 0 };
e481f9b9 968#endif
0f113f3e
MC		 969 const char *alpn_in = NULL;
970 tlsextalpnctx alpn_ctx = { NULL, 0 };
ddac1974 971#ifndef OPENSSL_NO_PSK
0f113f3e 972 /* by default do not send a PSK identity hint */
f2ff1432 973 char *psk_identity_hint = NULL;
54463e4f 974 char *p;
ddac1974 975#endif
edc032b5 976#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 977 char *srpuserseed = NULL;
978 char *srp_verifier_file = NULL;
edc032b5 979#endif
4bbd4ba6 980 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
54463e4f
F		 981 int s_server_verify = SSL_VERIFY_NONE;
982 int s_server_session_id_context = 1; /* anything will do */
983 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
984 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
985 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
057c676a
RL		 986#ifndef OPENSSL_NO_OCSP
987 int s_tlsextstatus = 0;
988#endif
989 int no_resume_ephemeral = 0;
28e5ea88 990 unsigned int max_send_fragment = 0;
54463e4f
F		 991 unsigned int split_send_fragment = 0, max_pipelines = 0;
992 const char *s_serverinfo_file = NULL;
4bf73e9f 993 const char *keylog_file = NULL;
6746648c 994 int max_early_data = -1;
df894947 995 char *psksessf = NULL;
54463e4f
F		 996
997 /* Init of few remaining global variables */
0f113f3e
MC		 998 local_argc = argc;
999 local_argv = argv;
d02b48c6 1000
54463e4f
F		 1001 ctx = ctx2 = NULL;
1002 s_nbio = s_nbio_test = 0;
1003 www = 0;
1004 bio_s_out = NULL;
1005 s_debug = 0;
1006 s_msg = 0;
1007 s_quiet = 0;
1008 s_brief = 0;
1009 async = 0;
1010
0f113f3e 1011 cctx = SSL_CONF_CTX_new();
7e1b7485
RS		 1012 vpm = X509_VERIFY_PARAM_new();
1013 if (cctx == NULL || vpm == NULL)
0f113f3e 1014 goto end;
d6073e27
F		 1015 SSL_CONF_CTX_set_flags(cctx,
1016 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
7e1b7485
RS		 1017
1018 prog = opt_init(argc, argv, s_server_options);
1019 while ((o = opt_next()) != OPT_EOF) {
4bbd4ba6
MC		 1020 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1021 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1022 goto end;
1023 }
1024 if (IS_NO_PROT_FLAG(o))
1025 no_prot_opt++;
1026 if (prot_opt == 1 && no_prot_opt) {
d6073e27
F		 1027 BIO_printf(bio_err,
1028 "Cannot supply both a protocol flag and '-no_<prot>'\n");
4bbd4ba6
MC		 1029 goto end;
1030 }
7e1b7485
RS		 1031 switch (o) {
1032 case OPT_EOF:
1033 case OPT_ERR:
1034 opthelp:
1035 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1036 goto end;
1037 case OPT_HELP:
1038 opt_help(s_server_options);
1039 ret = 0;
1040 goto end;
0f113f3e 1041
ab69ac00
RL		 1042 case OPT_4:
1043#ifdef AF_UNIX
1044 if (socket_family == AF_UNIX) {
1045 OPENSSL_free(host); host = NULL;
1046 OPENSSL_free(port); port = NULL;
1047 }
1048#endif
1049 socket_family = AF_INET;
1050 break;
1051 case OPT_6:
1052 if (1) {
1053#ifdef AF_INET6
1054#ifdef AF_UNIX
1055 if (socket_family == AF_UNIX) {
1056 OPENSSL_free(host); host = NULL;
1057 OPENSSL_free(port); port = NULL;
1058 }
1059#endif
1060 socket_family = AF_INET6;
1061 } else {
1062#endif
1063 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1064 goto end;
1065 }
1066 break;
7e1b7485 1067 case OPT_PORT:
ab69ac00
RL		 1068#ifdef AF_UNIX
1069 if (socket_family == AF_UNIX) {
1070 socket_family = AF_UNSPEC;
1071 }
1072#endif
1073 OPENSSL_free(port); port = NULL;
1074 OPENSSL_free(host); host = NULL;
1075 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1076 BIO_printf(bio_err,
1077 "%s: -port argument malformed or ambiguous\n",
1078 port);
1079 goto end;
1080 }
1081 break;
1082 case OPT_ACCEPT:
1083#ifdef AF_UNIX
1084 if (socket_family == AF_UNIX) {
1085 socket_family = AF_UNSPEC;
1086 }
1087#endif
1088 OPENSSL_free(port); port = NULL;
1089 OPENSSL_free(host); host = NULL;
1090 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1091 BIO_printf(bio_err,
1092 "%s: -accept argument malformed or ambiguous\n",
1093 port);
7e1b7485 1094 goto end;
ab69ac00 1095 }
7e1b7485 1096 break;
ab69ac00 1097#ifdef AF_UNIX
7e1b7485 1098 case OPT_UNIX:
ab69ac00
RL		 1099 socket_family = AF_UNIX;
1100 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1101 OPENSSL_free(port); port = NULL;
7e1b7485
RS		 1102 break;
1103 case OPT_UNLINK:
0f113f3e 1104 unlink_unix_path = 1;
7e1b7485 1105 break;
ab69ac00 1106#endif
7e1b7485
RS		 1107 case OPT_NACCEPT:
1108 naccept = atol(opt_arg());
1109 break;
1110 case OPT_VERIFY:
0f113f3e 1111 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
acc00492 1112 verify_args.depth = atoi(opt_arg());
0f113f3e 1113 if (!s_quiet)
acc00492 1114 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
7e1b7485
RS		 1115 break;
1116 case OPT_UPPER_V_VERIFY:
0f113f3e
MC		 1117 s_server_verify =
1118 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1119 SSL_VERIFY_CLIENT_ONCE;
acc00492 1120 verify_args.depth = atoi(opt_arg());
0f113f3e
MC		 1121 if (!s_quiet)
1122 BIO_printf(bio_err,
1123 "verify depth is %d, must return a certificate\n",
acc00492 1124 verify_args.depth);
7e1b7485
RS		 1125 break;
1126 case OPT_CONTEXT:
1127 context = (unsigned char *)opt_arg();
1128 break;
1129 case OPT_CERT:
1130 s_cert_file = opt_arg();
1131 break;
a7c04f2b
DB		 1132 case OPT_NAMEOPT:
1133 if (!set_nameopt(opt_arg()))
1134 goto end;
1135 break;
7e1b7485
RS		 1136 case OPT_CRL:
1137 crl_file = opt_arg();
1138 break;
1139 case OPT_CRL_DOWNLOAD:
0f113f3e 1140 crl_download = 1;
7e1b7485 1141 break;
7e1b7485
RS		 1142 case OPT_SERVERINFO:
1143 s_serverinfo_file = opt_arg();
1144 break;
7e1b7485
RS		 1145 case OPT_CERTFORM:
1146 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1147 goto opthelp;
1148 break;
1149 case OPT_KEY:
1150 s_key_file = opt_arg();
1151 break;
1152 case OPT_KEYFORM:
1153 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1154 goto opthelp;
1155 break;
1156 case OPT_PASS:
1157 passarg = opt_arg();
1158 break;
1159 case OPT_CERT_CHAIN:
1160 s_chain_file = opt_arg();
1161 break;
1162 case OPT_DHPARAM:
37f3a3b3 1163#ifndef OPENSSL_NO_DH
7e1b7485 1164 dhfile = opt_arg();
37f3a3b3 1165#endif
7e1b7485
RS		 1166 break;
1167 case OPT_DCERTFORM:
1168 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1169 goto opthelp;
1170 break;
1171 case OPT_DCERT:
1172 s_dcert_file = opt_arg();
1173 break;
1174 case OPT_DKEYFORM:
1175 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1176 goto opthelp;
1177 break;
1178 case OPT_DPASS:
1179 dpassarg = opt_arg();
1180 break;
1181 case OPT_DKEY:
1182 s_dkey_file = opt_arg();
1183 break;
1184 case OPT_DCERT_CHAIN:
1185 s_dchain_file = opt_arg();
1186 break;
1187 case OPT_NOCERT:
0f113f3e 1188 nocert = 1;
7e1b7485
RS		 1189 break;
1190 case OPT_CAPATH:
1191 CApath = opt_arg();
1192 break;
2b6bcb70
MC		 1193 case OPT_NOCAPATH:
1194 noCApath = 1;
1195 break;
7e1b7485
RS		 1196 case OPT_CHAINCAPATH:
1197 chCApath = opt_arg();
1198 break;
1199 case OPT_VERIFYCAPATH:
1200 vfyCApath = opt_arg();
1201 break;
1202 case OPT_NO_CACHE:
0f113f3e 1203 no_cache = 1;
7e1b7485
RS		 1204 break;
1205 case OPT_EXT_CACHE:
0f113f3e 1206 ext_cache = 1;
7e1b7485
RS		 1207 break;
1208 case OPT_CRLFORM:
1209 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1210 goto opthelp;
1211 break;
1212 case OPT_S_CASES:
1213 if (ssl_args == NULL)
1214 ssl_args = sk_OPENSSL_STRING_new_null();
1215 if (ssl_args == NULL
1216 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1217 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1218 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1219 goto end;
1220 }
1221 break;
1222 case OPT_V_CASES:
1223 if (!opt_verify(o, vpm))
1224 goto end;
1225 vpmtouched++;
1226 break;
1227 case OPT_X_CASES:
1228 if (!args_excert(o, &exc))
1229 goto end;
1230 break;
1231 case OPT_VERIFY_RET_ERROR:
acc00492 1232 verify_args.return_error = 1;
7e1b7485
RS		 1233 break;
1234 case OPT_VERIFY_QUIET:
acc00492 1235 verify_args.quiet = 1;
7e1b7485
RS		 1236 break;
1237 case OPT_BUILD_CHAIN:
0f113f3e 1238 build_chain = 1;
7e1b7485
RS		 1239 break;
1240 case OPT_CAFILE:
1241 CAfile = opt_arg();
1242 break;
2b6bcb70
MC		 1243 case OPT_NOCAFILE:
1244 noCAfile = 1;
1245 break;
7e1b7485
RS		 1246 case OPT_CHAINCAFILE:
1247 chCAfile = opt_arg();
1248 break;
1249 case OPT_VERIFYCAFILE:
1250 vfyCAfile = opt_arg();
1251 break;
1252 case OPT_NBIO:
0f113f3e 1253 s_nbio = 1;
7e1b7485
RS		 1254 break;
1255 case OPT_NBIO_TEST:
1256 s_nbio = s_nbio_test = 1;
1257 break;
1258 case OPT_IGN_EOF:
0f113f3e 1259 s_ign_eof = 1;
7e1b7485
RS		 1260 break;
1261 case OPT_NO_IGN_EOF:
0f113f3e 1262 s_ign_eof = 0;
7e1b7485
RS		 1263 break;
1264 case OPT_DEBUG:
0f113f3e 1265 s_debug = 1;
7e1b7485 1266 break;
7e1b7485 1267 case OPT_TLSEXTDEBUG:
0f113f3e 1268 s_tlsextdebug = 1;
7e1b7485
RS		 1269 break;
1270 case OPT_STATUS:
057c676a 1271#ifndef OPENSSL_NO_OCSP
0f113f3e 1272 s_tlsextstatus = 1;
057c676a 1273#endif
7e1b7485
RS		 1274 break;
1275 case OPT_STATUS_VERBOSE:
057c676a 1276#ifndef OPENSSL_NO_OCSP
7e1b7485 1277 s_tlsextstatus = tlscstatp.verbose = 1;
057c676a 1278#endif
7e1b7485
RS		 1279 break;
1280 case OPT_STATUS_TIMEOUT:
057c676a 1281#ifndef OPENSSL_NO_OCSP
0f113f3e 1282 s_tlsextstatus = 1;
7e1b7485 1283 tlscstatp.timeout = atoi(opt_arg());
057c676a 1284#endif
7e1b7485
RS		 1285 break;
1286 case OPT_STATUS_URL:
3e41ac35 1287#ifndef OPENSSL_NO_OCSP
0f113f3e 1288 s_tlsextstatus = 1;
7e1b7485 1289 if (!OCSP_parse_url(opt_arg(),
0f113f3e
MC		 1290 &tlscstatp.host,
1291 &tlscstatp.port,
1292 &tlscstatp.path, &tlscstatp.use_ssl)) {
1293 BIO_printf(bio_err, "Error parsing URL\n");
7e1b7485 1294 goto end;
0f113f3e 1295 }
acf65ae5
MC		 1296#endif
1297 break;
1298 case OPT_STATUS_FILE:
1299#ifndef OPENSSL_NO_OCSP
1300 s_tlsextstatus = 1;
1301 tlscstatp.respin = opt_arg();
3e41ac35 1302#endif
7e1b7485 1303 break;
7e1b7485 1304 case OPT_MSG:
0f113f3e 1305 s_msg = 1;
7e1b7485
RS		 1306 break;
1307 case OPT_MSGFILE:
1308 bio_s_msg = BIO_new_file(opt_arg(), "w");
1309 break;
7e1b7485 1310 case OPT_TRACE:
9c3bcfa0 1311#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e 1312 s_msg = 2;
0f113f3e 1313#endif
1c03c81f 1314 break;
7e1b7485 1315 case OPT_SECURITY_DEBUG:
0f113f3e 1316 sdebug = 1;
7e1b7485
RS		 1317 break;
1318 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1319 sdebug = 2;
7e1b7485
RS		 1320 break;
1321 case OPT_STATE:
0f113f3e 1322 state = 1;
7e1b7485
RS		 1323 break;
1324 case OPT_CRLF:
0f113f3e 1325 s_crlf = 1;
7e1b7485
RS		 1326 break;
1327 case OPT_QUIET:
0f113f3e 1328 s_quiet = 1;
7e1b7485
RS		 1329 break;
1330 case OPT_BRIEF:
acc00492 1331 s_quiet = s_brief = verify_args.quiet = 1;
7e1b7485 1332 break;
7e1b7485 1333 case OPT_NO_DHE:
37f3a3b3 1334#ifndef OPENSSL_NO_DH
0f113f3e 1335 no_dhe = 1;
37f3a3b3 1336#endif
7e1b7485 1337 break;
7e1b7485 1338 case OPT_NO_RESUME_EPHEMERAL:
0f113f3e 1339 no_resume_ephemeral = 1;
7e1b7485 1340 break;
720b6cbe
DKG		 1341 case OPT_PSK_IDENTITY:
1342#ifndef OPENSSL_NO_PSK
1343 psk_identity = opt_arg();
1344#endif
1345 break;
7e1b7485 1346 case OPT_PSK_HINT:
6b01bed2 1347#ifndef OPENSSL_NO_PSK
7e1b7485 1348 psk_identity_hint = opt_arg();
6b01bed2 1349#endif
7e1b7485
RS		 1350 break;
1351 case OPT_PSK:
6b01bed2 1352#ifndef OPENSSL_NO_PSK
7e1b7485 1353 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1354 if (isxdigit(_UC(*p)))
0f113f3e
MC		 1355 continue;
1356 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
7e1b7485 1357 goto end;
0f113f3e 1358 }
edc032b5 1359#endif
6b01bed2 1360 break;
df894947
MC		 1361 case OPT_PSK_SESS:
1362 psksessf = opt_arg();
1363 break;
7e1b7485 1364 case OPT_SRPVFILE:
6b01bed2 1365#ifndef OPENSSL_NO_SRP
7e1b7485 1366 srp_verifier_file = opt_arg();
0d5301af
KR		 1367 if (min_version < TLS1_VERSION)
1368 min_version = TLS1_VERSION;
6b01bed2 1369#endif
7e1b7485
RS		 1370 break;
1371 case OPT_SRPUSERSEED:
6b01bed2 1372#ifndef OPENSSL_NO_SRP
7e1b7485 1373 srpuserseed = opt_arg();
0d5301af
KR		 1374 if (min_version < TLS1_VERSION)
1375 min_version = TLS1_VERSION;
0f113f3e 1376#endif
6b01bed2 1377 break;
7e1b7485 1378 case OPT_REV:
0f113f3e 1379 rev = 1;
7e1b7485
RS		 1380 break;
1381 case OPT_WWW:
0f113f3e 1382 www = 1;
7e1b7485
RS		 1383 break;
1384 case OPT_UPPER_WWW:
0f113f3e 1385 www = 2;
7e1b7485
RS		 1386 break;
1387 case OPT_HTTP:
0f113f3e 1388 www = 3;
7e1b7485 1389 break;
287d0b94
DSH		 1390 case OPT_SSL_CONFIG:
1391 ssl_config = opt_arg();
1392 break;
7e1b7485 1393 case OPT_SSL3:
0d5301af
KR		 1394 min_version = SSL3_VERSION;
1395 max_version = SSL3_VERSION;
9c3bcfa0 1396 break;
582a17d6
MC		 1397 case OPT_TLS1_3:
1398 min_version = TLS1_3_VERSION;
1399 max_version = TLS1_3_VERSION;
1400 break;
7e1b7485 1401 case OPT_TLS1_2:
0d5301af
KR		 1402 min_version = TLS1_2_VERSION;
1403 max_version = TLS1_2_VERSION;
7e1b7485
RS		 1404 break;
1405 case OPT_TLS1_1:
0d5301af
KR		 1406 min_version = TLS1_1_VERSION;
1407 max_version = TLS1_1_VERSION;
7e1b7485
RS		 1408 break;
1409 case OPT_TLS1:
0d5301af
KR		 1410 min_version = TLS1_VERSION;
1411 max_version = TLS1_VERSION;
7e1b7485 1412 break;
7e1b7485 1413 case OPT_DTLS:
6b01bed2 1414#ifndef OPENSSL_NO_DTLS
4407d070 1415 meth = DTLS_server_method();
0f113f3e 1416 socket_type = SOCK_DGRAM;
6b01bed2 1417#endif
7e1b7485
RS		 1418 break;
1419 case OPT_DTLS1:
0d5301af
KR		 1420#ifndef OPENSSL_NO_DTLS
1421 meth = DTLS_server_method();
1422 min_version = DTLS1_VERSION;
1423 max_version = DTLS1_VERSION;
0f113f3e 1424 socket_type = SOCK_DGRAM;
6b01bed2 1425#endif
7e1b7485
RS		 1426 break;
1427 case OPT_DTLS1_2:
0d5301af
KR		 1428#ifndef OPENSSL_NO_DTLS
1429 meth = DTLS_server_method();
1430 min_version = DTLS1_2_VERSION;
1431 max_version = DTLS1_2_VERSION;
0f113f3e 1432 socket_type = SOCK_DGRAM;
72d0bc84
MC		 1433#endif
1434 break;
1435 case OPT_SCTP:
1436#ifndef OPENSSL_NO_SCTP
1437 protocol = IPPROTO_SCTP;
6b01bed2 1438#endif
7e1b7485
RS		 1439 break;
1440 case OPT_TIMEOUT:
6b01bed2 1441#ifndef OPENSSL_NO_DTLS
0f113f3e 1442 enable_timeouts = 1;
6b01bed2 1443#endif
7e1b7485
RS		 1444 break;
1445 case OPT_MTU:
6b01bed2 1446#ifndef OPENSSL_NO_DTLS
7e1b7485 1447 socket_mtu = atol(opt_arg());
6b01bed2 1448#endif
7e1b7485 1449 break;
fd4e98ec 1450 case OPT_LISTEN:
6b01bed2 1451#ifndef OPENSSL_NO_DTLS
fd4e98ec 1452 dtlslisten = 1;
0f113f3e 1453#endif
6b01bed2 1454 break;
7e1b7485
RS		 1455 case OPT_ID_PREFIX:
1456 session_id_prefix = opt_arg();
1457 break;
1458 case OPT_ENGINE:
bde136c8 1459 engine = setup_engine(opt_arg(), 1);
7e1b7485
RS		 1460 break;
1461 case OPT_RAND:
1462 inrand = opt_arg();
1463 break;
7e1b7485
RS		 1464 case OPT_SERVERNAME:
1465 tlsextcbp.servername = opt_arg();
1466 break;
1467 case OPT_SERVERNAME_FATAL:
0f113f3e 1468 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
7e1b7485
RS		 1469 break;
1470 case OPT_CERT2:
1471 s_cert_file2 = opt_arg();
1472 break;
1473 case OPT_KEY2:
1474 s_key_file2 = opt_arg();
1475 break;
7e1b7485 1476 case OPT_NEXTPROTONEG:
9c3bcfa0 1477# ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485 1478 next_proto_neg_in = opt_arg();
e481f9b9 1479#endif
9c3bcfa0 1480 break;
7e1b7485
RS		 1481 case OPT_ALPN:
1482 alpn_in = opt_arg();
1483 break;
7e1b7485 1484 case OPT_SRTP_PROFILES:
d6316025 1485#ifndef OPENSSL_NO_SRTP
7e1b7485 1486 srtp_profiles = opt_arg();
b07c703f 1487#endif
d6316025 1488 break;
7e1b7485
RS		 1489 case OPT_KEYMATEXPORT:
1490 keymatexportlabel = opt_arg();
1491 break;
1492 case OPT_KEYMATEXPORTLEN:
1493 keymatexportlen = atoi(opt_arg());
0f113f3e 1494 break;
7e25dd6d
MC		 1495 case OPT_ASYNC:
1496 async = 1;
1497 break;
28e5ea88
F		 1498 case OPT_MAX_SEND_FRAG:
1499 max_send_fragment = atoi(opt_arg());
28e5ea88 1500 break;
032c6d21
MC		 1501 case OPT_SPLIT_SEND_FRAG:
1502 split_send_fragment = atoi(opt_arg());
032c6d21
MC		 1503 break;
1504 case OPT_MAX_PIPELINES:
1505 max_pipelines = atoi(opt_arg());
1506 break;
dad78fb1
MC		 1507 case OPT_READ_BUF:
1508 read_buf_len = atoi(opt_arg());
1509 break;
4bf73e9f
PW		 1510 case OPT_KEYLOG_FILE:
1511 keylog_file = opt_arg();
1512 break;
048b1893
MC		 1513 case OPT_MAX_EARLY:
1514 max_early_data = atoi(opt_arg());
6746648c
MC		 1515 if (max_early_data < 0) {
1516 BIO_printf(bio_err, "Invalid value for max_early_data\n");
1517 goto end;
1518 }
048b1893 1519 break;
e0655186
MC		 1520 case OPT_EARLY_DATA:
1521 early_data = 1;
1522 break;
0f113f3e 1523 }
0f113f3e 1524 }
7e1b7485
RS		 1525 argc = opt_num_rest();
1526 argv = opt_rest();
1527
837f87c2
PY		 1528#ifndef OPENSSL_NO_NEXTPROTONEG
1529 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1530 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1531 goto opthelp;
1532 }
1533#endif
a5ecdc6a 1534#ifndef OPENSSL_NO_DTLS
0f113f3e
MC		 1535 if (www && socket_type == SOCK_DGRAM) {
1536 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1537 goto end;
1538 }
fd4e98ec
MC		 1539
1540 if (dtlslisten && socket_type != SOCK_DGRAM) {
1541 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1542 goto end;
1543 }
0f113f3e
MC		 1544#endif
1545
ab69ac00
RL		 1546#ifdef AF_UNIX
1547 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC		 1548 BIO_printf(bio_err,
1549 "Can't use unix sockets and datagrams together\n");
1550 goto end;
1551 }
ab69ac00 1552#endif
2900fc8a 1553
72d0bc84
MC		 1554#ifndef OPENSSL_NO_SCTP
1555 if (protocol == IPPROTO_SCTP) {
1556 if (socket_type != SOCK_DGRAM) {
1557 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1558 goto end;
1559 }
1560 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1561 socket_type = SOCK_STREAM;
1562 }
1563#endif
032c6d21 1564
7e1b7485 1565 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
0f113f3e
MC		 1566 BIO_printf(bio_err, "Error getting password\n");
1567 goto end;
1568 }
826a42a0 1569
0f113f3e
MC		 1570 if (s_key_file == NULL)
1571 s_key_file = s_cert_file;
e481f9b9 1572
0f113f3e
MC		 1573 if (s_key_file2 == NULL)
1574 s_key_file2 = s_cert_file2;
ed3883d2 1575
7e1b7485 1576 if (!load_excert(&exc))
0f113f3e
MC		 1577 goto end;
1578
1579 if (nocert == 0) {
bde136c8 1580 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
0f113f3e 1581 "server certificate private key file");
2234212c 1582 if (s_key == NULL) {
0f113f3e
MC		 1583 ERR_print_errors(bio_err);
1584 goto end;
1585 }
826a42a0 1586
7e1b7485 1587 s_cert = load_cert(s_cert_file, s_cert_format,
a773b52a 1588 "server certificate file");
0f113f3e 1589
2234212c 1590 if (s_cert == NULL) {
0f113f3e
MC		 1591 ERR_print_errors(bio_err);
1592 goto end;
1593 }
2234212c 1594 if (s_chain_file != NULL) {
a773b52a 1595 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
0996dc54 1596 "server certificate chain"))
0f113f3e
MC		 1597 goto end;
1598 }
e481f9b9 1599
2234212c 1600 if (tlsextcbp.servername != NULL) {
bde136c8 1601 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
0f113f3e 1602 "second server certificate private key file");
2234212c 1603 if (s_key2 == NULL) {
0f113f3e
MC		 1604 ERR_print_errors(bio_err);
1605 goto end;
1606 }
1607
7e1b7485 1608 s_cert2 = load_cert(s_cert_file2, s_cert_format,
a773b52a 1609 "second server certificate file");
0f113f3e 1610
2234212c 1611 if (s_cert2 == NULL) {
0f113f3e
MC		 1612 ERR_print_errors(bio_err);
1613 goto end;
1614 }
1615 }
0f113f3e 1616 }
e481f9b9 1617#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e 1618 if (next_proto_neg_in) {
f2ff1432 1619 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
0f113f3e
MC		 1620 if (next_proto.data == NULL)
1621 goto end;
0f113f3e 1622 }
e481f9b9 1623#endif
0f113f3e
MC		 1624 alpn_ctx.data = NULL;
1625 if (alpn_in) {
f2ff1432 1626 alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in);
0f113f3e
MC		 1627 if (alpn_ctx.data == NULL)
1628 goto end;
0f113f3e 1629 }
0f113f3e 1630
2234212c 1631 if (crl_file != NULL) {
0f113f3e
MC		 1632 X509_CRL *crl;
1633 crl = load_crl(crl_file, crl_format);
2234212c 1634 if (crl == NULL) {
0f113f3e
MC		 1635 BIO_puts(bio_err, "Error loading CRL\n");
1636 ERR_print_errors(bio_err);
1637 goto end;
1638 }
1639 crls = sk_X509_CRL_new_null();
2234212c 1640 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1641 BIO_puts(bio_err, "Error adding CRL\n");
1642 ERR_print_errors(bio_err);
1643 X509_CRL_free(crl);
1644 goto end;
1645 }
1646 }
1647
2234212c 1648 if (s_dcert_file != NULL) {
d02b48c6 1649
0f113f3e
MC		 1650 if (s_dkey_file == NULL)
1651 s_dkey_file = s_dcert_file;
1652
7e1b7485 1653 s_dkey = load_key(s_dkey_file, s_dkey_format,
bde136c8 1654 0, dpass, engine, "second certificate private key file");
2234212c 1655 if (s_dkey == NULL) {
0f113f3e
MC		 1656 ERR_print_errors(bio_err);
1657 goto end;
1658 }
1659
7e1b7485 1660 s_dcert = load_cert(s_dcert_file, s_dcert_format,
a773b52a 1661 "second server certificate file");
0f113f3e 1662
2234212c 1663 if (s_dcert == NULL) {
0f113f3e
MC		 1664 ERR_print_errors(bio_err);
1665 goto end;
1666 }
2234212c 1667 if (s_dchain_file != NULL) {
a773b52a 1668 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
0996dc54 1669 "second server certificate chain"))
0f113f3e
MC		 1670 goto end;
1671 }
1672
1673 }
1674
7e1b7485 1675 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
0f113f3e
MC		 1676 && !RAND_status()) {
1677 BIO_printf(bio_err,
1678 "warning, not much extra random data, consider using the -rand option\n");
1679 }
1680 if (inrand != NULL)
1681 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1682 app_RAND_load_files(inrand));
1683
1684 if (bio_s_out == NULL) {
1685 if (s_quiet && !s_debug) {
1686 bio_s_out = BIO_new(BIO_s_null());
2234212c 1687 if (s_msg && bio_s_msg == NULL)
a60994df 1688 bio_s_msg = dup_bio_out(FORMAT_TEXT);
0f113f3e
MC		 1689 } else {
1690 if (bio_s_out == NULL)
a60994df 1691 bio_s_out = dup_bio_out(FORMAT_TEXT);
0f113f3e
MC		 1692 }
1693 }
10bf4fc2 1694#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
0f113f3e 1695 if (nocert)
d02b48c6 1696#endif
0f113f3e
MC		 1697 {
1698 s_cert_file = NULL;
1699 s_key_file = NULL;
1700 s_dcert_file = NULL;
1701 s_dkey_file = NULL;
0f113f3e
MC		 1702 s_cert_file2 = NULL;
1703 s_key_file2 = NULL;
0f113f3e
MC		 1704 }
1705
1706 ctx = SSL_CTX_new(meth);
0f113f3e
MC		 1707 if (ctx == NULL) {
1708 ERR_print_errors(bio_err);
1709 goto end;
1710 }
32eabe34
MR		 1711 if (sdebug)
1712 ssl_ctx_security_debug(ctx, sdebug);
287d0b94
DSH		 1713 if (ssl_config) {
1714 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1715 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1716 ssl_config);
d6073e27
F		 1717 ERR_print_errors(bio_err);
1718 goto end;
287d0b94
DSH		 1719 }
1720 }
0d5301af
KR		 1721 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1722 goto end;
1723 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1724 goto end;
287d0b94 1725
0f113f3e
MC		 1726 if (session_id_prefix) {
1727 if (strlen(session_id_prefix) >= 32)
1728 BIO_printf(bio_err,
1729 "warning: id_prefix is too long, only one new session will be possible\n");
1730 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1731 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1732 ERR_print_errors(bio_err);
1733 goto end;
1734 }
1735 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1736 }
1737 SSL_CTX_set_quiet_shutdown(ctx, 1);
2234212c 1738 if (exc != NULL)
0f113f3e 1739 ssl_ctx_set_excert(ctx, exc);
0f113f3e
MC		 1740
1741 if (state)
1742 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1743 if (no_cache)
1744 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1745 else if (ext_cache)
1746 init_session_cache_ctx(ctx);
1747 else
1748 SSL_CTX_sess_set_cache_size(ctx, 128);
58964a49 1749
252d6d3a 1750 if (async) {
7e25dd6d 1751 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
252d6d3a 1752 }
28e5ea88 1753
36b2cfb1
F		 1754 if (max_send_fragment > 0
1755 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1756 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1757 prog, max_send_fragment);
1758 goto end;
1759 }
28e5ea88 1760
36b2cfb1
F		 1761 if (split_send_fragment > 0
1762 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1763 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1764 prog, split_send_fragment);
1765 goto end;
032c6d21 1766 }
36b2cfb1
F		 1767 if (max_pipelines > 0
1768 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1769 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1770 prog, max_pipelines);
1771 goto end;
032c6d21 1772 }
7e25dd6d 1773
dad78fb1
MC		 1774 if (read_buf_len > 0) {
1775 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1776 }
e783bae2 1777#ifndef OPENSSL_NO_SRTP
ac59d705 1778 if (srtp_profiles != NULL) {
7e1b7485
RS		 1779 /* Returns 0 on success! */
1780 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1781 BIO_printf(bio_err, "Error setting SRTP profile\n");
1782 ERR_print_errors(bio_err);
1783 goto end;
1784 }
1785 }
e783bae2 1786#endif
333f926d 1787
2b6bcb70 1788 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
0f113f3e 1789 ERR_print_errors(bio_err);
7e1b7485 1790 goto end;
0f113f3e 1791 }
7e1b7485
RS		 1792 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1793 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC		 1794 ERR_print_errors(bio_err);
1795 goto end;
1796 }
0f113f3e
MC		 1797
1798 ssl_ctx_add_crls(ctx, crls, 0);
dba31777 1799 if (!config_ctx(cctx, ssl_args, ctx))
0f113f3e
MC		 1800 goto end;
1801
1802 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1803 crls, crl_download)) {
1804 BIO_printf(bio_err, "Error loading store locations\n");
1805 ERR_print_errors(bio_err);
1806 goto end;
1807 }
e481f9b9 1808
0f113f3e
MC		 1809 if (s_cert2) {
1810 ctx2 = SSL_CTX_new(meth);
1811 if (ctx2 == NULL) {
1812 ERR_print_errors(bio_err);
1813 goto end;
1814 }
1815 }
1816
2234212c 1817 if (ctx2 != NULL) {
0f113f3e
MC		 1818 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1819
1820 if (sdebug)
ecf3a1fb 1821 ssl_ctx_security_debug(ctx, sdebug);
0f113f3e
MC		 1822
1823 if (session_id_prefix) {
1824 if (strlen(session_id_prefix) >= 32)
1825 BIO_printf(bio_err,
1826 "warning: id_prefix is too long, only one new session will be possible\n");
1827 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1828 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1829 ERR_print_errors(bio_err);
1830 goto end;
1831 }
1832 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1833 }
1834 SSL_CTX_set_quiet_shutdown(ctx2, 1);
2234212c 1835 if (exc != NULL)
0f113f3e 1836 ssl_ctx_set_excert(ctx2, exc);
0f113f3e
MC		 1837
1838 if (state)
1839 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1840
1841 if (no_cache)
1842 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1843 else if (ext_cache)
1844 init_session_cache_ctx(ctx2);
1845 else
1846 SSL_CTX_sess_set_cache_size(ctx2, 128);
1847
7e25dd6d 1848 if (async)
f4da39d2 1849 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
7e25dd6d 1850
f65a8c1e
DSH		 1851 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1852 noCApath)) {
0f113f3e 1853 ERR_print_errors(bio_err);
f65a8c1e 1854 goto end;
0f113f3e 1855 }
7e1b7485
RS		 1856 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1857 BIO_printf(bio_err, "Error setting verify params\n");
ac59d705
MC		 1858 ERR_print_errors(bio_err);
1859 goto end;
1860 }
ee2ffc27 1861
0f113f3e 1862 ssl_ctx_add_crls(ctx2, crls, 0);
dba31777 1863 if (!config_ctx(cctx, ssl_args, ctx2))
0f113f3e
MC		 1864 goto end;
1865 }
e481f9b9 1866#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e
MC		 1867 if (next_proto.data)
1868 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1869 &next_proto);
e481f9b9 1870#endif
0f113f3e
MC		 1871 if (alpn_ctx.data)
1872 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
b1277b99 1873
cf1b7d96 1874#ifndef OPENSSL_NO_DH
0f113f3e
MC		 1875 if (!no_dhe) {
1876 DH *dh = NULL;
1877
2234212c 1878 if (dhfile != NULL)
0f113f3e 1879 dh = load_dh_param(dhfile);
2234212c 1880 else if (s_cert_file != NULL)
0f113f3e
MC		 1881 dh = load_dh_param(s_cert_file);
1882
1883 if (dh != NULL) {
1884 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1885 } else {
1886 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1887 }
1888 (void)BIO_flush(bio_s_out);
1889
2234212c 1890 if (dh == NULL) {
0f113f3e 1891 SSL_CTX_set_dh_auto(ctx, 1);
2234212c 1892 } else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
0f113f3e
MC		 1893 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1894 ERR_print_errors(bio_err);
1895 DH_free(dh);
1896 goto end;
1897 }
e481f9b9 1898
2234212c 1899 if (ctx2 != NULL) {
0f113f3e
MC		 1900 if (!dhfile) {
1901 DH *dh2 = load_dh_param(s_cert_file2);
1902 if (dh2 != NULL) {
1903 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1904 (void)BIO_flush(bio_s_out);
1905
1906 DH_free(dh);
1907 dh = dh2;
1908 }
1909 }
2234212c 1910 if (dh == NULL) {
0f113f3e 1911 SSL_CTX_set_dh_auto(ctx2, 1);
2234212c 1912 } else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
0f113f3e
MC		 1913 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1914 ERR_print_errors(bio_err);
1915 DH_free(dh);
1916 goto end;
1917 }
1918 }
0f113f3e
MC		 1919 DH_free(dh);
1920 }
ed3883d2 1921#endif
d02b48c6 1922
0f113f3e
MC		 1923 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1924 goto end;
e481f9b9 1925
0f113f3e
MC		 1926 if (s_serverinfo_file != NULL
1927 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1928 ERR_print_errors(bio_err);
1929 goto end;
1930 }
e481f9b9 1931
2234212c
PY		 1932 if (ctx2 != NULL
1933 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
0f113f3e 1934 goto end;
e481f9b9 1935
0f113f3e
MC		 1936 if (s_dcert != NULL) {
1937 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1938 goto end;
1939 }
d02b48c6 1940
0f113f3e
MC		 1941 if (no_resume_ephemeral) {
1942 SSL_CTX_set_not_resumable_session_callback(ctx,
1943 not_resumable_sess_cb);
e481f9b9 1944
2234212c 1945 if (ctx2 != NULL)
0f113f3e
MC		 1946 SSL_CTX_set_not_resumable_session_callback(ctx2,
1947 not_resumable_sess_cb);
0f113f3e 1948 }
ddac1974 1949#ifndef OPENSSL_NO_PSK
b5292f7b 1950 if (psk_key != NULL) {
0f113f3e 1951 if (s_debug)
d6073e27 1952 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
0f113f3e
MC		 1953 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1954 }
ddac1974 1955
0f113f3e
MC		 1956 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1957 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1958 ERR_print_errors(bio_err);
1959 goto end;
1960 }
ddac1974 1961#endif
df894947
MC		 1962 if (psksessf != NULL) {
1963 BIO *stmp = BIO_new_file(psksessf, "r");
1964
1965 if (stmp == NULL) {
1966 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1967 ERR_print_errors(bio_err);
1968 goto end;
1969 }
1970 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1971 BIO_free(stmp);
1972 if (psksess == NULL) {
1973 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1974 ERR_print_errors(bio_err);
1975 goto end;
1976 }
1977 SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb);
1978 }
ddac1974 1979
0f113f3e 1980 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
61986d32 1981 if (!SSL_CTX_set_session_id_context(ctx,
d6073e27
F		 1982 (void *)&s_server_session_id_context,
1983 sizeof s_server_session_id_context)) {
ac59d705
MC		 1984 BIO_printf(bio_err, "error setting session id context\n");
1985 ERR_print_errors(bio_err);
1986 goto end;
1987 }
d02b48c6 1988
0f113f3e
MC		 1989 /* Set DTLS cookie generation and verification callbacks */
1990 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1991 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
07a9d1a2 1992
2234212c 1993 if (ctx2 != NULL) {
0f113f3e 1994 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
61986d32 1995 if (!SSL_CTX_set_session_id_context(ctx2,
7e1b7485
RS		 1996 (void *)&s_server_session_id_context,
1997 sizeof s_server_session_id_context)) {
ac59d705
MC		 1998 BIO_printf(bio_err, "error setting session id context\n");
1999 ERR_print_errors(bio_err);
2000 goto end;
2001 }
0f113f3e
MC		 2002 tlsextcbp.biodebug = bio_s_out;
2003 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2004 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2005 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2006 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2007 }
f1fd4544 2008
edc032b5 2009#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2010 if (srp_verifier_file != NULL) {
2011 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2012 srp_callback_parm.user = NULL;
2013 srp_callback_parm.login = NULL;
2014 if ((ret =
2015 SRP_VBASE_init(srp_callback_parm.vb,
2016 srp_verifier_file)) != SRP_NO_ERROR) {
2017 BIO_printf(bio_err,
2018 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2019 srp_verifier_file, ret);
2020 goto end;
2021 }
2022 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
2023 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2024 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2025 } else
2026#endif
2027 if (CAfile != NULL) {
2028 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
e481f9b9 2029
0f113f3e
MC		 2030 if (ctx2)
2031 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
0f113f3e 2032 }
3e41ac35 2033#ifndef OPENSSL_NO_OCSP
be0c0361
AE		 2034 if (s_tlsextstatus) {
2035 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2036 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2037 if (ctx2) {
2038 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
2039 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
2040 }
2041 }
3e41ac35 2042#endif
4bf73e9f
PW		 2043 if (set_keylog_file(ctx, keylog_file))
2044 goto end;
0f113f3e 2045
6746648c 2046 if (max_early_data >= 0)
048b1893
MC		 2047 SSL_CTX_set_max_early_data(ctx, max_early_data);
2048
0f113f3e
MC		 2049 BIO_printf(bio_s_out, "ACCEPT\n");
2050 (void)BIO_flush(bio_s_out);
2051 if (rev)
2052 server_cb = rev_body;
2053 else if (www)
2054 server_cb = www_body;
2055 else
2056 server_cb = sv_body;
ab69ac00
RL		 2057#ifdef AF_UNIX
2058 if (socket_family == AF_UNIX
2059 && unlink_unix_path)
2060 unlink(host);
0f113f3e 2061#endif
72d0bc84 2062 do_server(&accept_socket, host, port, socket_family, socket_type, protocol,
ab69ac00 2063 server_cb, context, naccept);
0f113f3e
MC		 2064 print_stats(bio_s_out, ctx);
2065 ret = 0;
2066 end:
62adbcee 2067 SSL_CTX_free(ctx);
4bf73e9f 2068 set_keylog_file(NULL, NULL);
222561fe
RS		 2069 X509_free(s_cert);
2070 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2071 X509_free(s_dcert);
c5ba2d99
RS		 2072 EVP_PKEY_free(s_key);
2073 EVP_PKEY_free(s_dkey);
222561fe
RS		 2074 sk_X509_pop_free(s_chain, X509_free);
2075 sk_X509_pop_free(s_dchain, X509_free);
25aaa98a
RS		 2076 OPENSSL_free(pass);
2077 OPENSSL_free(dpass);
ab69ac00
RL		 2078 OPENSSL_free(host);
2079 OPENSSL_free(port);
222561fe 2080 X509_VERIFY_PARAM_free(vpm);
0f113f3e 2081 free_sessions();
25aaa98a
RS		 2082 OPENSSL_free(tlscstatp.host);
2083 OPENSSL_free(tlscstatp.port);
2084 OPENSSL_free(tlscstatp.path);
62adbcee 2085 SSL_CTX_free(ctx2);
222561fe 2086 X509_free(s_cert2);
c5ba2d99 2087 EVP_PKEY_free(s_key2);
e481f9b9 2088#ifndef OPENSSL_NO_NEXTPROTONEG
25aaa98a 2089 OPENSSL_free(next_proto.data);
0f113f3e 2090#endif
e481f9b9 2091 OPENSSL_free(alpn_ctx.data);
0f113f3e 2092 ssl_excert_free(exc);
7e1b7485 2093 sk_OPENSSL_STRING_free(ssl_args);
62adbcee 2094 SSL_CONF_CTX_free(cctx);
dd1abd44 2095 release_engine(engine);
ca3a82c3
RS		 2096 BIO_free(bio_s_out);
2097 bio_s_out = NULL;
2098 BIO_free(bio_s_msg);
2099 bio_s_msg = NULL;
5fd1478d
MC		 2100#ifdef CHARSET_EBCDIC
2101 BIO_meth_free(methods_ebcdic);
2102#endif
7e1b7485 2103 return (ret);
0f113f3e 2104}
d02b48c6 2105
6b691a5c 2106static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
0f113f3e
MC		 2107{
2108 BIO_printf(bio, "%4ld items in the session cache\n",
2109 SSL_CTX_sess_number(ssl_ctx));
2110 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
2111 SSL_CTX_sess_connect(ssl_ctx));
2112 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
2113 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2114 BIO_printf(bio, "%4ld client connects that finished\n",
2115 SSL_CTX_sess_connect_good(ssl_ctx));
2116 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
2117 SSL_CTX_sess_accept(ssl_ctx));
2118 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
2119 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2120 BIO_printf(bio, "%4ld server accepts that finished\n",
2121 SSL_CTX_sess_accept_good(ssl_ctx));
2122 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
2123 BIO_printf(bio, "%4ld session cache misses\n",
2124 SSL_CTX_sess_misses(ssl_ctx));
2125 BIO_printf(bio, "%4ld session cache timeouts\n",
2126 SSL_CTX_sess_timeouts(ssl_ctx));
2127 BIO_printf(bio, "%4ld callback cache hits\n",
2128 SSL_CTX_sess_cb_hits(ssl_ctx));
2129 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2130 SSL_CTX_sess_cache_full(ssl_ctx),
2131 SSL_CTX_sess_get_cache_size(ssl_ctx));
2132}
d02b48c6 2133
72d0bc84 2134static int sv_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 2135{
2136 char *buf = NULL;
2137 fd_set readfds;
2138 int ret = 1, width;
2139 int k, i;
2140 unsigned long l;
2141 SSL *con = NULL;
2142 BIO *sbio;
0f113f3e 2143 struct timeval timeout;
1fbab1dc 2144#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e 2145 struct timeval tv;
ba4526e0 2146#else
0f113f3e 2147 struct timeval *timeoutp;
06f4536a 2148#endif
72d0bc84 2149#ifndef OPENSSL_NO_DTLS
d88ab353 2150# ifndef OPENSSL_NO_SCTP
72d0bc84 2151 int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP);
d88ab353 2152# else
72d0bc84 2153 int isdtls = (stype == SOCK_DGRAM);
d88ab353 2154# endif
72d0bc84 2155#endif
d02b48c6 2156
68dc6824 2157 buf = app_malloc(bufsize, "server buffer");
0f113f3e 2158 if (s_nbio) {
ba810815 2159 if (!BIO_socket_nbio(s, 1))
0f113f3e 2160 ERR_print_errors(bio_err);
ba810815
RS		 2161 else if (!s_quiet)
2162 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 2163 }
d02b48c6 2164
0f113f3e
MC		 2165 if (con == NULL) {
2166 con = SSL_new(ctx);
e481f9b9 2167
0f113f3e
MC		 2168 if (s_tlsextdebug) {
2169 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2170 SSL_set_tlsext_debug_arg(con, bio_s_out);
2171 }
e481f9b9 2172
7e1b7485 2173 if (context
d6073e27
F		 2174 && !SSL_set_session_id_context(con,
2175 context, strlen((char *)context))) {
ac59d705
MC		 2176 BIO_printf(bio_err, "Error setting session id context\n");
2177 ret = -1;
2178 goto err;
2179 }
2180 }
61986d32 2181 if (!SSL_clear(con)) {
ac59d705
MC		 2182 BIO_printf(bio_err, "Error clearing SSL connection\n");
2183 ret = -1;
2184 goto err;
0f113f3e 2185 }
a7a14a23 2186#ifndef OPENSSL_NO_DTLS
72d0bc84 2187 if (isdtls) {
d88ab353 2188# ifndef OPENSSL_NO_SCTP
72d0bc84
MC		 2189 if (prot == IPPROTO_SCTP)
2190 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2191 else
d88ab353 2192# endif
72d0bc84 2193 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
0f113f3e
MC		 2194
2195 if (enable_timeouts) {
2196 timeout.tv_sec = 0;
2197 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2198 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2199
2200 timeout.tv_sec = 0;
2201 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2202 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2203 }
2204
2205 if (socket_mtu) {
2206 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2207 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2208 DTLS_get_link_min_mtu(con));
2209 ret = -1;
2210 BIO_free(sbio);
2211 goto err;
2212 }
2213 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2214 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2215 BIO_printf(bio_err, "Failed to set MTU\n");
2216 ret = -1;
2217 BIO_free(sbio);
2218 goto err;
2219 }
2220 } else
2221 /* want to do MTU discovery */
2222 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
36d16f8e 2223
a5eef31e 2224# ifndef OPENSSL_NO_SCTP
72d0bc84
MC		 2225 if (prot != IPPROTO_SCTP) {
2226 /* Turn on cookie exchange. Not necessary for SCTP */
2227 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2228 }
a5eef31e 2229# endif
0f113f3e 2230 } else
a7a14a23 2231#endif
0f113f3e 2232 sbio = BIO_new_socket(s, BIO_NOCLOSE);
36d16f8e 2233
72d0bc84
MC		 2234 if (sbio == NULL) {
2235 BIO_printf(bio_err, "Unable to create BIO\n");
2236 ERR_print_errors(bio_err);
2237 goto err;
2238 }
2239
0f113f3e
MC		 2240 if (s_nbio_test) {
2241 BIO *test;
d02b48c6 2242
0f113f3e
MC		 2243 test = BIO_new(BIO_f_nbio_test());
2244 sbio = BIO_push(test, sbio);
2245 }
0f113f3e
MC		 2246
2247 SSL_set_bio(con, sbio, sbio);
2248 SSL_set_accept_state(con);
2249 /* SSL_set_fd(con,s); */
2250
2251 if (s_debug) {
0f113f3e
MC		 2252 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2253 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2254 }
2255 if (s_msg) {
93ab9e42 2256#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 2257 if (s_msg == 2)
2258 SSL_set_msg_callback(con, SSL_trace);
2259 else
93ab9e42 2260#endif
0f113f3e
MC		 2261 SSL_set_msg_callback(con, msg_cb);
2262 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2263 }
e481f9b9 2264
0f113f3e
MC		 2265 if (s_tlsextdebug) {
2266 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2267 SSL_set_tlsext_debug_arg(con, bio_s_out);
2268 }
d02b48c6 2269
e0655186 2270 if (early_data) {
f533fbd4 2271 int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR;
e0655186
MC		 2272 size_t readbytes;
2273
f533fbd4 2274 while (edret != SSL_READ_EARLY_DATA_FINISH) {
e0655186 2275 for (;;) {
f533fbd4
MC		 2276 edret = SSL_read_early_data(con, buf, bufsize, &readbytes);
2277 if (edret != SSL_READ_EARLY_DATA_ERROR)
e0655186
MC		 2278 break;
2279
2280 switch (SSL_get_error(con, 0)) {
2281 case SSL_ERROR_WANT_WRITE:
2282 case SSL_ERROR_WANT_ASYNC:
2283 case SSL_ERROR_WANT_READ:
2284 /* Just keep trying - busy waiting */
2285 continue;
2286 default:
2287 BIO_printf(bio_err, "Error reading early data\n");
2288 ERR_print_errors(bio_err);
2289 goto err;
2290 }
2291 }
2292 if (readbytes > 0) {
2293 if (write_header) {
2294 BIO_printf(bio_s_out, "Early data received:\n");
2295 write_header = 0;
2296 }
2297 raw_write_stdout(buf, (unsigned int)readbytes);
2298 (void)BIO_flush(bio_s_out);
2299 }
2300 }
2301 if (write_header)
2302 BIO_printf(bio_s_out, "No early data received\n");
2303 else
2304 BIO_printf(bio_s_out, "\nEnd of early data\n");
ade1e888
MC		 2305 if (SSL_is_init_finished(con))
2306 print_connection_info(con);
e0655186
MC		 2307 }
2308
51e5133d
RL		 2309 if (fileno_stdin() > s)
2310 width = fileno_stdin() + 1;
c7bdb6a3
RL		 2311 else
2312 width = s + 1;
0f113f3e
MC		 2313 for (;;) {
2314 int read_from_terminal;
2315 int read_from_sslcon;
a2a01589 2316
0f113f3e 2317 read_from_terminal = 0;
fd068d50 2318 read_from_sslcon = SSL_has_pending(con)
64c07bd2 2319 || (async && SSL_waiting_for_async(con));
a2a01589 2320
0f113f3e
MC		 2321 if (!read_from_sslcon) {
2322 FD_ZERO(&readfds);
1fbab1dc 2323#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
51e5133d 2324 openssl_fdset(fileno_stdin(), &readfds);
0f113f3e
MC		 2325#endif
2326 openssl_fdset(s, &readfds);
2327 /*
2328 * Note: under VMS with SOCKETSHR the second parameter is
2329 * currently of type (int *) whereas under other systems it is
2330 * (void *) if you don't have a cast it will choke the compiler:
2331 * if you do have a cast then you can either go for (int *) or
2332 * (void *).
2333 */
1fbab1dc 2334#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2335 /*
2336 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2337 * only on sockets. As a workaround we timeout the select every
2338 * second and check for any keypress. In a proper Windows
2339 * application we wouldn't do this because it is inefficient.
2340 */
2341 tv.tv_sec = 1;
2342 tv.tv_usec = 0;
2343 i = select(width, (void *)&readfds, NULL, NULL, &tv);
75dd6c1a 2344 if (has_stdin_waiting())
0f113f3e 2345 read_from_terminal = 1;
75dd6c1a
MC		 2346 if ((i < 0) || (!i && !read_from_terminal))
2347 continue;
06f4536a 2348#else
0f113f3e
MC		 2349 if ((SSL_version(con) == DTLS1_VERSION) &&
2350 DTLSv1_get_timeout(con, &timeout))
2351 timeoutp = &timeout;
2352 else
2353 timeoutp = NULL;
2354
2355 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2356
2357 if ((SSL_version(con) == DTLS1_VERSION)
2358 && DTLSv1_handle_timeout(con) > 0) {
2359 BIO_printf(bio_err, "TIMEOUT occurred\n");
2360 }
2361
2362 if (i <= 0)
2363 continue;
51e5133d 2364 if (FD_ISSET(fileno_stdin(), &readfds))
0f113f3e
MC		 2365 read_from_terminal = 1;
2366#endif
2367 if (FD_ISSET(s, &readfds))
2368 read_from_sslcon = 1;
2369 }
2370 if (read_from_terminal) {
2371 if (s_crlf) {
2372 int j, lf_num;
2373
c7bdb6a3 2374 i = raw_read_stdin(buf, bufsize / 2);
c7bdb6a3 2375 lf_num = 0;
0f113f3e
MC		 2376 /* both loops are skipped when i <= 0 */
2377 for (j = 0; j < i; j++)
2378 if (buf[j] == '\n')
2379 lf_num++;
2380 for (j = i - 1; j >= 0; j--) {
2381 buf[j + lf_num] = buf[j];
2382 if (buf[j] == '\n') {
2383 lf_num--;
2384 i++;
2385 buf[j + lf_num] = '\r';
2386 }
2387 }
2388 assert(lf_num == 0);
2234212c 2389 } else {
c7bdb6a3 2390 i = raw_read_stdin(buf, bufsize);
2234212c 2391 }
51e5133d 2392
0f113f3e
MC		 2393 if (!s_quiet && !s_brief) {
2394 if ((i <= 0) || (buf[0] == 'Q')) {
2395 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2396 (void)BIO_flush(bio_s_out);
8731a4fc 2397 BIO_closesocket(s);
0f113f3e
MC		 2398 close_accept_socket();
2399 ret = -11;
2400 goto err;
2401 }
2402 if ((i <= 0) || (buf[0] == 'q')) {
2403 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2404 (void)BIO_flush(bio_s_out);
0f113f3e 2405 if (SSL_version(con) != DTLS1_VERSION)
8731a4fc 2406 BIO_closesocket(s);
0f113f3e
MC		 2407 /*
2408 * close_accept_socket(); ret= -11;
2409 */
2410 goto err;
2411 }
b612799a
RL		 2412#ifndef OPENSSL_NO_HEARTBEATS
2413 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2414 BIO_printf(bio_err, "HEARTBEATING\n");
2415 SSL_heartbeat(con);
2416 i = 0;
2417 continue;
2418 }
2419#endif
0f113f3e
MC		 2420 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2421 SSL_renegotiate(con);
2422 i = SSL_do_handshake(con);
2423 printf("SSL_do_handshake -> %d\n", i);
2424 i = 0; /* 13; */
2425 continue;
2426 /*
2427 * strcpy(buf,"server side RE-NEGOTIATE\n");
2428 */
2429 }
2430 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2431 SSL_set_verify(con,
2432 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2433 NULL);
2434 SSL_renegotiate(con);
2435 i = SSL_do_handshake(con);
2436 printf("SSL_do_handshake -> %d\n", i);
2437 i = 0; /* 13; */
2438 continue;
2439 /*
2440 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2441 * cert\n");
2442 */
2443 }
34df45b5
MC		 2444 if ((buf[0] == 'K' || buf[0] == 'k')
2445 && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2446 SSL_key_update(con, buf[0] == 'K' ?
2447 SSL_KEY_UPDATE_REQUESTED
2448 : SSL_KEY_UPDATE_NOT_REQUESTED);
2449 i = SSL_do_handshake(con);
2450 printf("SSL_do_handshake -> %d\n", i);
2451 i = 0;
2452 continue;
2453 /*
2454 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2455 * cert\n");
2456 */
2457 }
0f113f3e
MC		 2458 if (buf[0] == 'P') {
2459 static const char *str = "Lets print some clear text\n";
2460 BIO_write(SSL_get_wbio(con), str, strlen(str));
2461 }
2462 if (buf[0] == 'S') {
2463 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2464 }
2465 }
a53955d8 2466#ifdef CHARSET_EBCDIC
0f113f3e 2467 ebcdic2ascii(buf, buf, i);
a53955d8 2468#endif
0f113f3e
MC		 2469 l = k = 0;
2470 for (;;) {
2471 /* should do a select for the write */
58964a49 2472#ifdef RENEG
54463e4f
F		 2473 static count = 0;
2474 if (++count == 100) {
2475 count = 0;
2476 SSL_renegotiate(con);
0f113f3e 2477 }
d02b48c6 2478#endif
0f113f3e 2479 k = SSL_write(con, &(buf[l]), (unsigned int)i);
9641be2a 2480#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2481 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2482 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
380f18ed 2483 SRP_user_pwd_free(srp_callback_parm.user);
0f113f3e 2484 srp_callback_parm.user =
380f18ed
EK		 2485 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2486 srp_callback_parm.login);
c7bdb6a3 2487 if (srp_callback_parm.user)
0f113f3e
MC		 2488 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2489 srp_callback_parm.user->info);
2490 else
2491 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2492 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2493 }
2494#endif
2495 switch (SSL_get_error(con, k)) {
2496 case SSL_ERROR_NONE:
2497 break;
7e25dd6d
MC		 2498 case SSL_ERROR_WANT_ASYNC:
2499 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
384f08dc 2500 (void)BIO_flush(bio_s_out);
f4da39d2 2501 wait_for_async(con);
7e25dd6d 2502 break;
0f113f3e
MC		 2503 case SSL_ERROR_WANT_WRITE:
2504 case SSL_ERROR_WANT_READ:
2505 case SSL_ERROR_WANT_X509_LOOKUP:
2506 BIO_printf(bio_s_out, "Write BLOCK\n");
384f08dc 2507 (void)BIO_flush(bio_s_out);
0f113f3e 2508 break;
fc7f190c
MC		 2509 case SSL_ERROR_WANT_ASYNC_JOB:
2510 /*
2511 * This shouldn't ever happen in s_server. Treat as an error
2512 */
0f113f3e
MC		 2513 case SSL_ERROR_SYSCALL:
2514 case SSL_ERROR_SSL:
2515 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2516 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2517 ERR_print_errors(bio_err);
2518 ret = 1;
2519 goto err;
2520 /* break; */
2521 case SSL_ERROR_ZERO_RETURN:
2522 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2523 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2524 ret = 1;
2525 goto err;
2526 }
00d565cf
RS		 2527 if (k > 0) {
2528 l += k;
2529 i -= k;
2530 }
0f113f3e
MC		 2531 if (i <= 0)
2532 break;
2533 }
2534 }
2535 if (read_from_sslcon) {
64c07bd2
MC		 2536 /*
2537 * init_ssl_connection handles all async events itself so if we're
2538 * waiting for async then we shouldn't go back into
2539 * init_ssl_connection
2540 */
2541 if ((!async || !SSL_waiting_for_async(con))
2542 && !SSL_is_init_finished(con)) {
0f113f3e
MC		 2543 i = init_ssl_connection(con);
2544
2545 if (i < 0) {
2546 ret = 0;
2547 goto err;
2548 } else if (i == 0) {
2549 ret = 1;
2550 goto err;
2551 }
2552 } else {
2553 again:
2554 i = SSL_read(con, (char *)buf, bufsize);
9641be2a 2555#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 2556 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2557 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
380f18ed 2558 SRP_user_pwd_free(srp_callback_parm.user);
0f113f3e 2559 srp_callback_parm.user =
380f18ed
EK		 2560 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2561 srp_callback_parm.login);
0f113f3e
MC		 2562 if (srp_callback_parm.user)
2563 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2564 srp_callback_parm.user->info);
2565 else
2566 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2567 i = SSL_read(con, (char *)buf, bufsize);
2568 }
2569#endif
2570 switch (SSL_get_error(con, i)) {
2571 case SSL_ERROR_NONE:
a53955d8 2572#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2573 ascii2ebcdic(buf, buf, i);
2574#endif
2575 raw_write_stdout(buf, (unsigned int)i);
384f08dc 2576 (void)BIO_flush(bio_s_out);
fd068d50 2577 if (SSL_has_pending(con))
0f113f3e
MC		 2578 goto again;
2579 break;
7e25dd6d 2580 case SSL_ERROR_WANT_ASYNC:
f4da39d2 2581 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
384f08dc 2582 (void)BIO_flush(bio_s_out);
f4da39d2
MC		 2583 wait_for_async(con);
2584 break;
0f113f3e
MC		 2585 case SSL_ERROR_WANT_WRITE:
2586 case SSL_ERROR_WANT_READ:
2587 BIO_printf(bio_s_out, "Read BLOCK\n");
384f08dc 2588 (void)BIO_flush(bio_s_out);
0f113f3e 2589 break;
fc7f190c
MC		 2590 case SSL_ERROR_WANT_ASYNC_JOB:
2591 /*
2592 * This shouldn't ever happen in s_server. Treat as an error
2593 */
0f113f3e
MC		 2594 case SSL_ERROR_SYSCALL:
2595 case SSL_ERROR_SSL:
2596 BIO_printf(bio_s_out, "ERROR\n");
7e1b7485 2597 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2598 ERR_print_errors(bio_err);
2599 ret = 1;
2600 goto err;
2601 case SSL_ERROR_ZERO_RETURN:
2602 BIO_printf(bio_s_out, "DONE\n");
7e1b7485 2603 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2604 ret = 1;
2605 goto err;
2606 }
2607 }
2608 }
2609 }
2610 err:
2611 if (con != NULL) {
2612 BIO_printf(bio_s_out, "shutting down SSL\n");
0f113f3e 2613 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
0f113f3e
MC		 2614 SSL_free(con);
2615 }
2616 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
4b45c6e5 2617 OPENSSL_clear_free(buf, bufsize);
0f113f3e
MC		 2618 if (ret >= 0)
2619 BIO_printf(bio_s_out, "ACCEPT\n");
c54cc2b1 2620 (void)BIO_flush(bio_s_out);
0f113f3e
MC		 2621 return (ret);
2622}
d02b48c6 2623
6b691a5c 2624static void close_accept_socket(void)
0f113f3e
MC		 2625{
2626 BIO_printf(bio_err, "shutdown accept socket\n");
2627 if (accept_socket >= 0) {
8731a4fc 2628 BIO_closesocket(accept_socket);
0f113f3e
MC		 2629 }
2630}
d02b48c6 2631
068e3d73
MC		 2632static int is_retryable(SSL *con, int i)
2633{
2634 int err = SSL_get_error(con, i);
2635
2636 /* If it's not a fatal error, it must be retryable */
2637 return (err != SSL_ERROR_SSL)
2638 && (err != SSL_ERROR_SYSCALL)
2639 && (err != SSL_ERROR_ZERO_RETURN);
2640}
2641
6b691a5c 2642static int init_ssl_connection(SSL *con)
0f113f3e
MC		 2643{
2644 int i;
df2ee0e2 2645 long verify_err;
384f08dc 2646 int retry = 0;
fd4e98ec 2647
a5ecdc6a 2648#ifndef OPENSSL_NO_DTLS
e8aa8b6c 2649 if (dtlslisten) {
d858c876
RL		 2650 BIO_ADDR *client = NULL;
2651
2652 if ((client = BIO_ADDR_new()) == NULL) {
2653 BIO_printf(bio_err, "ERROR - memory\n");
2654 return 0;
2655 }
3edeb622 2656 i = DTLSv1_listen(con, client);
fd4e98ec
MC		 2657 if (i > 0) {
2658 BIO *wbio;
3a796184 2659 int fd = -1;
fd4e98ec
MC		 2660
2661 wbio = SSL_get_wbio(con);
e8aa8b6c 2662 if (wbio) {
fd4e98ec
MC		 2663 BIO_get_fd(wbio, &fd);
2664 }
2665
e8aa8b6c 2666 if (!wbio || BIO_connect(fd, client, 0) == 0) {
fd4e98ec 2667 BIO_printf(bio_err, "ERROR - unable to connect\n");
d858c876 2668 BIO_ADDR_free(client);
fd4e98ec
MC		 2669 return 0;
2670 }
d858c876 2671 BIO_ADDR_free(client);
fd4e98ec
MC		 2672 dtlslisten = 0;
2673 i = SSL_accept(con);
a3768e0c
MC		 2674 } else {
2675 BIO_ADDR_free(client);
fd4e98ec
MC		 2676 }
2677 } else
2678#endif
7e25dd6d
MC		 2679
2680 do {
fd4e98ec 2681 i = SSL_accept(con);
d02b48c6 2682
384f08dc 2683 if (i <= 0)
068e3d73 2684 retry = is_retryable(con, i);
3323314f 2685#ifdef CERT_CB_TEST_RETRY
7e25dd6d 2686 {
d6073e27
F		 2687 while (i <= 0
2688 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
7e25dd6d
MC		 2689 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2690 BIO_printf(bio_err,
d6073e27 2691 "LOOKUP from certificate callback during accept\n");
7e25dd6d 2692 i = SSL_accept(con);
384f08dc 2693 if (i <= 0)
068e3d73 2694 retry = is_retryable(con, i);
7e25dd6d 2695 }
0f113f3e 2696 }
3323314f 2697#endif
7e25dd6d 2698
9641be2a 2699#ifndef OPENSSL_NO_SRP
d6073e27
F		 2700 while (i <= 0
2701 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
7e25dd6d
MC		 2702 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2703 srp_callback_parm.login);
380f18ed 2704 SRP_user_pwd_free(srp_callback_parm.user);
7e25dd6d 2705 srp_callback_parm.user =
380f18ed
EK		 2706 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2707 srp_callback_parm.login);
7e25dd6d
MC		 2708 if (srp_callback_parm.user)
2709 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2710 srp_callback_parm.user->info);
2711 else
2712 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2713 i = SSL_accept(con);
384f08dc 2714 if (i <= 0)
068e3d73 2715 retry = is_retryable(con, i);
7e25dd6d 2716 }
0f113f3e 2717#endif
7e25dd6d 2718 } while (i < 0 && SSL_waiting_for_async(con));
0f113f3e
MC		 2719
2720 if (i <= 0) {
fd4e98ec 2721 if ((dtlslisten && i == 0)
384f08dc 2722 || (!dtlslisten && retry)) {
0f113f3e
MC		 2723 BIO_printf(bio_s_out, "DELAY\n");
2724 return (1);
2725 }
2726
2727 BIO_printf(bio_err, "ERROR\n");
7e1b7485 2728
df2ee0e2
BL		 2729 verify_err = SSL_get_verify_result(con);
2730 if (verify_err != X509_V_OK) {
0f113f3e 2731 BIO_printf(bio_err, "verify error:%s\n",
df2ee0e2 2732 X509_verify_cert_error_string(verify_err));
0f113f3e
MC		 2733 }
2734 /* Always print any error messages */
2735 ERR_print_errors(bio_err);
2736 return (0);
2737 }
2738
ade1e888
MC		 2739 print_connection_info(con);
2740 return 1;
2741}
2742
2743static void print_connection_info(SSL *con)
2744{
2745 const char *str;
2746 X509 *peer;
2747 char buf[BUFSIZ];
2748#if !defined(OPENSSL_NO_NEXTPROTONEG)
2749 const unsigned char *next_proto_neg;
2750 unsigned next_proto_neg_len;
2751#endif
2752 unsigned char *exportedkeymat;
2753 int i;
2754
0f113f3e 2755 if (s_brief)
ecf3a1fb 2756 print_ssl_summary(con);
0f113f3e
MC		 2757
2758 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2759
2760 peer = SSL_get_peer_certificate(con);
2761 if (peer != NULL) {
2762 BIO_printf(bio_s_out, "Client certificate\n");
2763 PEM_write_bio_X509(bio_s_out, peer);
b5c4209b 2764 dump_cert_text(bio_s_out, peer);
0f113f3e 2765 X509_free(peer);
049f3655 2766 peer = NULL;
0f113f3e
MC		 2767 }
2768
2769 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2770 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2771 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2772 ssl_print_sigalgs(bio_s_out, con);
14536c8c 2773#ifndef OPENSSL_NO_EC
0f113f3e 2774 ssl_print_point_formats(bio_s_out, con);
de4d764e 2775 ssl_print_groups(bio_s_out, con, 0);
14536c8c 2776#endif
5969a2dd 2777 print_ca_names(bio_s_out, con);
0f113f3e 2778 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
e7f8ff43 2779
e481f9b9 2780#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 2781 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2782 if (next_proto_neg) {
2783 BIO_printf(bio_s_out, "NEXTPROTO is ");
2784 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2785 BIO_printf(bio_s_out, "\n");
2786 }
ee2ffc27 2787#endif
e783bae2 2788#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 2789 {
2790 SRTP_PROTECTION_PROFILE *srtp_profile
2791 = SSL_get_selected_srtp_profile(con);
2792
2793 if (srtp_profile)
2794 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2795 srtp_profile->name);
2796 }
2797#endif
b577fd0b 2798 if (SSL_session_reused(con))
0f113f3e 2799 BIO_printf(bio_s_out, "Reused session-id\n");
0f113f3e
MC		 2800 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2801 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
db0f35dd
TS		 2802 if ((SSL_get_options(con) & SSL_OP_NO_RENEGOTIATION))
2803 BIO_printf(bio_s_out, "Renegotiation is DISABLED\n");
2804
0f113f3e
MC		 2805 if (keymatexportlabel != NULL) {
2806 BIO_printf(bio_s_out, "Keying material exporter:\n");
2807 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2808 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
68dc6824
RS		 2809 exportedkeymat = app_malloc(keymatexportlen, "export key");
2810 if (!SSL_export_keying_material(con, exportedkeymat,
2811 keymatexportlen,
2812 keymatexportlabel,
2813 strlen(keymatexportlabel),
2814 NULL, 0, 0)) {
2815 BIO_printf(bio_s_out, " Error\n");
2816 } else {
2817 BIO_printf(bio_s_out, " Keying material: ");
2818 for (i = 0; i < keymatexportlen; i++)
2819 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2820 BIO_printf(bio_s_out, "\n");
0f113f3e 2821 }
68dc6824 2822 OPENSSL_free(exportedkeymat);
0f113f3e
MC		 2823 }
2824
d6073e27 2825 (void)BIO_flush(bio_s_out);
0f113f3e 2826}
d02b48c6 2827
cf1b7d96 2828#ifndef OPENSSL_NO_DH
eb3eab20 2829static DH *load_dh_param(const char *dhfile)
0f113f3e
MC		 2830{
2831 DH *ret = NULL;
2832 BIO *bio;
2833
2834 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2835 goto err;
2836 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2837 err:
ca3a82c3 2838 BIO_free(bio);
0f113f3e
MC		 2839 return (ret);
2840}
58964a49 2841#endif
d02b48c6 2842
72d0bc84 2843static int www_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 2844{
2845 char *buf = NULL;
2846 int ret = 1;
2847 int i, j, k, dot;
2848 SSL *con;
2849 const SSL_CIPHER *c;
2850 BIO *io, *ssl_bio, *sbio;
7e1b7485
RS		 2851#ifdef RENEG
2852 int total_bytes = 0;
2853#endif
075c8795
MC		 2854 int width;
2855 fd_set readfds;
2856
2857 /* Set width for a select call if needed */
2858 width = s + 1;
d02b48c6 2859
68dc6824 2860 buf = app_malloc(bufsize, "server www buffer");
0f113f3e
MC		 2861 io = BIO_new(BIO_f_buffer());
2862 ssl_bio = BIO_new(BIO_f_ssl());
2863 if ((io == NULL) || (ssl_bio == NULL))
2864 goto err;
d02b48c6 2865
0f113f3e 2866 if (s_nbio) {
ba810815 2867 if (!BIO_socket_nbio(s, 1))
0f113f3e 2868 ERR_print_errors(bio_err);
ba810815
RS		 2869 else if (!s_quiet)
2870 BIO_printf(bio_err, "Turned on non blocking io\n");
0f113f3e 2871 }
d02b48c6 2872
0f113f3e
MC		 2873 /* lets make the output buffer a reasonable size */
2874 if (!BIO_set_write_buffer_size(io, bufsize))
2875 goto err;
d02b48c6 2876
0f113f3e
MC		 2877 if ((con = SSL_new(ctx)) == NULL)
2878 goto err;
e481f9b9 2879
0f113f3e
MC		 2880 if (s_tlsextdebug) {
2881 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2882 SSL_set_tlsext_debug_arg(con, bio_s_out);
2883 }
e481f9b9 2884
2234212c 2885 if (context != NULL
d6073e27
F		 2886 && !SSL_set_session_id_context(con, context,
2887 strlen((char *)context)))
ac59d705 2888 goto err;
0f113f3e
MC		 2889
2890 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2891 if (s_nbio_test) {
2892 BIO *test;
2893
2894 test = BIO_new(BIO_f_nbio_test());
2895 sbio = BIO_push(test, sbio);
2896 }
2897 SSL_set_bio(con, sbio, sbio);
2898 SSL_set_accept_state(con);
2899
2900 /* SSL_set_fd(con,s); */
2901 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2902 BIO_push(io, ssl_bio);
a53955d8 2903#ifdef CHARSET_EBCDIC
0f113f3e 2904 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
a53955d8 2905#endif
d02b48c6 2906
0f113f3e 2907 if (s_debug) {
0f113f3e
MC		 2908 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2909 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2910 }
2911 if (s_msg) {
93ab9e42 2912#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 2913 if (s_msg == 2)
2914 SSL_set_msg_callback(con, SSL_trace);
2915 else
2916#endif
2917 SSL_set_msg_callback(con, msg_cb);
2918 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2919 }
2920
2921 for (;;) {
0f113f3e
MC		 2922 i = BIO_gets(io, buf, bufsize - 1);
2923 if (i < 0) { /* error */
4cfa6204 2924 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
0f113f3e
MC		 2925 if (!s_quiet)
2926 ERR_print_errors(bio_err);
2927 goto err;
2928 } else {
2929 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH		 2930#ifndef OPENSSL_NO_SRP
2931 if (BIO_should_io_special(io)
2932 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2933 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
380f18ed 2934 SRP_user_pwd_free(srp_callback_parm.user);
4e7e6230 2935 srp_callback_parm.user =
380f18ed
EK		 2936 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2937 srp_callback_parm.login);
4e7e6230
DSH		 2938 if (srp_callback_parm.user)
2939 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2940 srp_callback_parm.user->info);
2941 else
2942 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2943 continue;
2944 }
2945#endif
1fbab1dc 2946#if !defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2947 sleep(1);
2948#endif
2949 continue;
2950 }
2951 } else if (i == 0) { /* end of input */
2952 ret = 1;
2953 goto end;
2954 }
d02b48c6 2955
0f113f3e
MC		 2956 /* else we have data */
2957 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
0b142f02 2958 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
0f113f3e 2959 char *p;
049f3655 2960 X509 *peer = NULL;
0f113f3e
MC		 2961 STACK_OF(SSL_CIPHER) *sk;
2962 static const char *space = " ";
2963
2964 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2965 if (strncmp("GET /renegcert", buf, 14) == 0)
2966 SSL_set_verify(con,
2967 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2968 NULL);
2969 i = SSL_renegotiate(con);
2970 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
075c8795 2971 /* Send the HelloRequest */
0f113f3e
MC		 2972 i = SSL_do_handshake(con);
2973 if (i <= 0) {
2974 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2975 SSL_get_error(con, i));
2976 ERR_print_errors(bio_err);
2977 goto err;
2978 }
075c8795
MC		 2979 /* Wait for a ClientHello to come back */
2980 FD_ZERO(&readfds);
2981 openssl_fdset(s, &readfds);
2982 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2983 if (i <= 0 || !FD_ISSET(s, &readfds)) {
d6073e27
F		 2984 BIO_printf(bio_s_out,
2985 "Error waiting for client response\n");
0f113f3e
MC		 2986 ERR_print_errors(bio_err);
2987 goto err;
2988 }
075c8795 2989 /*
049f3655 2990 * We're not actually expecting any data here and we ignore
075c8795
MC		 2991 * any that is sent. This is just to force the handshake that
2992 * we're expecting to come from the client. If they haven't
2993 * sent one there's not much we can do.
2994 */
2995 BIO_gets(io, buf, bufsize - 1);
0f113f3e
MC		 2996 }
2997
2998 BIO_puts(io,
2999 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3000 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3001 BIO_puts(io, "<pre>\n");
049f3655 3002 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
0f113f3e
MC		 3003 BIO_puts(io, "\n");
3004 for (i = 0; i < local_argc; i++) {
f92beb98
RS		 3005 const char *myp;
3006 for (myp = local_argv[i]; *myp; myp++)
3007 switch (*myp) {
3008 case '<':
3009 BIO_puts(io, "&lt;");
3010 break;
3011 case '>':
3012 BIO_puts(io, "&gt;");
3013 break;
3014 case '&':
3015 BIO_puts(io, "&amp;");
3016 break;
3017 default:
3018 BIO_write(io, myp, 1);
3019 break;
3020 }
0f113f3e
MC		 3021 BIO_write(io, " ", 1);
3022 }
3023 BIO_puts(io, "\n");
3024
3025 BIO_printf(io,
3026 "Secure Renegotiation IS%s supported\n",
3027 SSL_get_secure_renegotiation_support(con) ?
3028 "" : " NOT");
3029
3030 /*
3031 * The following is evil and should not really be done
3032 */
3033 BIO_printf(io, "Ciphers supported in s_server binary\n");
3034 sk = SSL_get_ciphers(con);
3035 j = sk_SSL_CIPHER_num(sk);
3036 for (i = 0; i < j; i++) {
3037 c = sk_SSL_CIPHER_value(sk, i);
7e1b7485 3038 BIO_printf(io, "%-11s:%-25s ",
0f113f3e
MC		 3039 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3040 if ((((i + 1) % 2) == 0) && (i + 1 != j))
3041 BIO_puts(io, "\n");
3042 }
3043 BIO_puts(io, "\n");
3044 p = SSL_get_shared_ciphers(con, buf, bufsize);
3045 if (p != NULL) {
3046 BIO_printf(io,
3047 "---\nCiphers common between both SSL end points:\n");
3048 j = i = 0;
3049 while (*p) {
3050 if (*p == ':') {
3051 BIO_write(io, space, 26 - j);
3052 i++;
3053 j = 0;
3054 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
3055 } else {
3056 BIO_write(io, p, 1);
3057 j++;
3058 }
3059 p++;
3060 }
3061 BIO_puts(io, "\n");
3062 }
3063 ssl_print_sigalgs(io, con);
3064#ifndef OPENSSL_NO_EC
de4d764e 3065 ssl_print_groups(io, con, 0);
0f113f3e 3066#endif
5969a2dd 3067 print_ca_names(io, con);
b577fd0b 3068 BIO_printf(io, (SSL_session_reused(con)
0f113f3e
MC		 3069 ? "---\nReused, " : "---\nNew, "));
3070 c = SSL_get_current_cipher(con);
3071 BIO_printf(io, "%s, Cipher is %s\n",
3072 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3073 SSL_SESSION_print(io, SSL_get_session(con));
3074 BIO_printf(io, "---\n");
3075 print_stats(io, SSL_get_SSL_CTX(con));
3076 BIO_printf(io, "---\n");
3077 peer = SSL_get_peer_certificate(con);
3078 if (peer != NULL) {
3079 BIO_printf(io, "Client certificate\n");
3080 X509_print(io, peer);
3081 PEM_write_bio_X509(io, peer);
049f3655
F		 3082 X509_free(peer);
3083 peer = NULL;
0f113f3e
MC		 3084 } else
3085 BIO_puts(io, "no client certificate available\n");
3086 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
3087 break;
3088 } else if ((www == 2 || www == 3)
3089 && (strncmp("GET /", buf, 5) == 0)) {
3090 BIO *file;
3091 char *p, *e;
3092 static const char *text =
3093 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3094
3095 /* skip the '/' */
3096 p = &(buf[5]);
3097
3098 dot = 1;
3099 for (e = p; *e != '\0'; e++) {
3100 if (e[0] == ' ')
3101 break;
3102
3103 switch (dot) {
3104 case 1:
3105 dot = (e[0] == '.') ? 2 : 0;
3106 break;
3107 case 2:
3108 dot = (e[0] == '.') ? 3 : 0;
3109 break;
3110 case 3:
3111 dot = (e[0] == '/') ? -1 : 0;
3112 break;
3113 }
3114 if (dot == 0)
3115 dot = (e[0] == '/') ? 1 : 0;
3116 }
3117 dot = (dot == 3) || (dot == -1); /* filename contains ".."
3118 * component */
3119
3120 if (*e == '\0') {
3121 BIO_puts(io, text);
3122 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
3123 break;
3124 }
3125 *e = '\0';
3126
3127 if (dot) {
3128 BIO_puts(io, text);
3129 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
3130 break;
3131 }
3132
3133 if (*p == '/') {
3134 BIO_puts(io, text);
3135 BIO_printf(io, "'%s' is an invalid path\r\n", p);
3136 break;
3137 }
d02b48c6 3138
0f113f3e
MC		 3139 /* if a directory, do the index thang */
3140 if (app_isdir(p) > 0) {
0f113f3e
MC		 3141 BIO_puts(io, text);
3142 BIO_printf(io, "'%s' is a directory\r\n", p);
3143 break;
0f113f3e
MC		 3144 }
3145
3146 if ((file = BIO_new_file(p, "r")) == NULL) {
3147 BIO_puts(io, text);
3148 BIO_printf(io, "Error opening '%s'\r\n", p);
3149 ERR_print_errors(io);
3150 break;
3151 }
3152
3153 if (!s_quiet)
3154 BIO_printf(bio_err, "FILE:%s\n", p);
3155
3156 if (www == 2) {
3157 i = strlen(p);
3158 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
3159 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
3160 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
3161 BIO_puts(io,
3162 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3163 else
3164 BIO_puts(io,
3165 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3166 }
3167 /* send the file */
3168 for (;;) {
3169 i = BIO_read(file, buf, bufsize);
3170 if (i <= 0)
3171 break;
d02b48c6 3172
dfeab068 3173#ifdef RENEG
0f113f3e 3174 total_bytes += i;
7768e116 3175 BIO_printf(bio_err, "%d\n", i);
0f113f3e
MC		 3176 if (total_bytes > 3 * 1024) {
3177 total_bytes = 0;
7768e116 3178 BIO_printf(bio_err, "RENEGOTIATE\n");
0f113f3e
MC		 3179 SSL_renegotiate(con);
3180 }
3181#endif
3182
3183 for (j = 0; j < i;) {
58964a49 3184#ifdef RENEG
54463e4f
F		 3185 static count = 0;
3186 if (++count == 13) {
3187 SSL_renegotiate(con);
0f113f3e
MC		 3188 }
3189#endif
3190 k = BIO_write(io, &(buf[j]), i - j);
3191 if (k <= 0) {
d6073e27
F		 3192 if (!BIO_should_retry(io)
3193 && !SSL_waiting_for_async(con))
0f113f3e
MC		 3194 goto write_error;
3195 else {
3196 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
3197 }
3198 } else {
3199 j += k;
3200 }
3201 }
3202 }
3203 write_error:
3204 BIO_free(file);
3205 break;
3206 }
3207 }
3208
3209 for (;;) {
3210 i = (int)BIO_flush(io);
3211 if (i <= 0) {
3212 if (!BIO_should_retry(io))
3213 break;
3214 } else
3215 break;
3216 }
3217 end:
0f113f3e
MC		 3218 /* make sure we re-use sessions */
3219 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
d02b48c6 3220
0f113f3e 3221 err:
0f113f3e
MC		 3222 if (ret >= 0)
3223 BIO_printf(bio_s_out, "ACCEPT\n");
b548a1f1 3224 OPENSSL_free(buf);
ca3a82c3 3225 BIO_free_all(io);
0f113f3e
MC		 3226 return (ret);
3227}
d02b48c6 3228
72d0bc84 3229static int rev_body(int s, int stype, int prot, unsigned char *context)
0f113f3e
MC		 3230{
3231 char *buf = NULL;
3232 int i;
3233 int ret = 1;
3234 SSL *con;
3235 BIO *io, *ssl_bio, *sbio;
4f3df8be 3236
68dc6824 3237 buf = app_malloc(bufsize, "server rev buffer");
0f113f3e
MC		 3238 io = BIO_new(BIO_f_buffer());
3239 ssl_bio = BIO_new(BIO_f_ssl());
3240 if ((io == NULL) || (ssl_bio == NULL))
3241 goto err;
4f3df8be 3242
0f113f3e
MC		 3243 /* lets make the output buffer a reasonable size */
3244 if (!BIO_set_write_buffer_size(io, bufsize))
3245 goto err;
4f3df8be 3246
0f113f3e
MC		 3247 if ((con = SSL_new(ctx)) == NULL)
3248 goto err;
e481f9b9 3249
0f113f3e
MC		 3250 if (s_tlsextdebug) {
3251 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3252 SSL_set_tlsext_debug_arg(con, bio_s_out);
3253 }
2234212c 3254 if (context != NULL
d6073e27
F		 3255 && !SSL_set_session_id_context(con, context,
3256 strlen((char *)context))) {
ac59d705
MC		 3257 ERR_print_errors(bio_err);
3258 goto err;
3259 }
0f113f3e
MC		 3260
3261 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3262 SSL_set_bio(con, sbio, sbio);
3263 SSL_set_accept_state(con);
3264
3265 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3266 BIO_push(io, ssl_bio);
4f3df8be 3267#ifdef CHARSET_EBCDIC
0f113f3e 3268 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
4f3df8be
DSH		 3269#endif
3270
0f113f3e 3271 if (s_debug) {
0f113f3e
MC		 3272 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3273 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3274 }
3275 if (s_msg) {
4f3df8be 3276#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 3277 if (s_msg == 2)
3278 SSL_set_msg_callback(con, SSL_trace);
3279 else
3280#endif
3281 SSL_set_msg_callback(con, msg_cb);
3282 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3283 }
3284
3285 for (;;) {
3286 i = BIO_do_handshake(io);
3287 if (i > 0)
3288 break;
3289 if (!BIO_should_retry(io)) {
3290 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3291 ERR_print_errors(bio_err);
3292 goto end;
3293 }
4e7e6230
DSH		 3294#ifndef OPENSSL_NO_SRP
3295 if (BIO_should_io_special(io)
3296 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3297 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
380f18ed 3298 SRP_user_pwd_free(srp_callback_parm.user);
4e7e6230 3299 srp_callback_parm.user =
380f18ed
EK		 3300 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3301 srp_callback_parm.login);
4e7e6230
DSH		 3302 if (srp_callback_parm.user)
3303 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3304 srp_callback_parm.user->info);
3305 else
3306 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3307 continue;
3308 }
3309#endif
0f113f3e
MC		 3310 }
3311 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 3312 print_ssl_summary(con);
0f113f3e
MC		 3313
3314 for (;;) {
3315 i = BIO_gets(io, buf, bufsize - 1);
3316 if (i < 0) { /* error */
3317 if (!BIO_should_retry(io)) {
3318 if (!s_quiet)
3319 ERR_print_errors(bio_err);
3320 goto err;
3321 } else {
3322 BIO_printf(bio_s_out, "read R BLOCK\n");
4e7e6230
DSH		 3323#ifndef OPENSSL_NO_SRP
3324 if (BIO_should_io_special(io)
3325 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3326 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
380f18ed 3327 SRP_user_pwd_free(srp_callback_parm.user);
4e7e6230 3328 srp_callback_parm.user =
380f18ed
EK		 3329 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3330 srp_callback_parm.login);
4e7e6230
DSH		 3331 if (srp_callback_parm.user)
3332 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3333 srp_callback_parm.user->info);
3334 else
3335 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3336 continue;
3337 }
3338#endif
1fbab1dc 3339#if !defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 3340 sleep(1);
3341#endif
3342 continue;
3343 }
3344 } else if (i == 0) { /* end of input */
3345 ret = 1;
3346 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3347 goto end;
3348 } else {
3349 char *p = buf + i - 1;
3350 while (i && (*p == '\n' || *p == '\r')) {
3351 p--;
3352 i--;
3353 }
86885c28 3354 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
0f113f3e
MC		 3355 ret = 1;
3356 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3357 goto end;
3358 }
3359 BUF_reverse((unsigned char *)buf, NULL, i);
3360 buf[i] = '\n';
3361 BIO_write(io, buf, i + 1);
3362 for (;;) {
3363 i = BIO_flush(io);
3364 if (i > 0)
3365 break;
3366 if (!BIO_should_retry(io))
3367 goto end;
3368 }
3369 }
3370 }
3371 end:
3372 /* make sure we re-use sessions */
3373 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3374
3375 err:
3376
b548a1f1 3377 OPENSSL_free(buf);
ca3a82c3 3378 BIO_free_all(io);
0f113f3e
MC		 3379 return (ret);
3380}
4f3df8be 3381
1aa0d947
GT		 3382#define MAX_SESSION_ID_ATTEMPTS 10
3383static int generate_session_id(const SSL *ssl, unsigned char *id,
0f113f3e
MC		 3384 unsigned int *id_len)
3385{
3386 unsigned int count = 0;
3387 do {
266483d2
MC		 3388 if (RAND_bytes(id, *id_len) <= 0)
3389 return 0;
0f113f3e
MC		 3390 /*
3391 * Prefix the session_id with the required prefix. NB: If our prefix
3392 * is too long, clip it - but there will be worse effects anyway, eg.
3393 * the server could only possibly create 1 session ID (ie. the
3394 * prefix!) so all future session negotiations will fail due to
3395 * conflicts.
3396 */
3397 memcpy(id, session_id_prefix,
3398 (strlen(session_id_prefix) < *id_len) ?
3399 strlen(session_id_prefix) : *id_len);
3400 }
3401 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3402 (++count < MAX_SESSION_ID_ATTEMPTS));
3403 if (count >= MAX_SESSION_ID_ATTEMPTS)
3404 return 0;
3405 return 1;
3406}
3407
3408/*
3409 * By default s_server uses an in-memory cache which caches SSL_SESSION
35b0ea4e
DSH		 3410 * structures without any serialisation. This hides some bugs which only
3411 * become apparent in deployed servers. By implementing a basic external
3412 * session cache some issues can be debugged using s_server.
3413 */
3414
0f113f3e
MC		 3415typedef struct simple_ssl_session_st {
3416 unsigned char *id;
3417 unsigned int idlen;
3418 unsigned char *der;
3419 int derlen;
3420 struct simple_ssl_session_st *next;
3421} simple_ssl_session;
35b0ea4e
DSH		 3422
3423static simple_ssl_session *first = NULL;
3424
3425static int add_session(SSL *ssl, SSL_SESSION *session)
0f113f3e 3426{
b4faea50 3427 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
0f113f3e 3428 unsigned char *p;
35b0ea4e 3429
0f113f3e
MC		 3430 SSL_SESSION_get_id(session, &sess->idlen);
3431 sess->derlen = i2d_SSL_SESSION(session, NULL);
7e1b7485
RS		 3432 if (sess->derlen < 0) {
3433 BIO_printf(bio_err, "Error encoding session\n");
a194ee7b 3434 OPENSSL_free(sess);
7e1b7485
RS		 3435 return 0;
3436 }
35b0ea4e 3437
7644a9ae 3438 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
68dc6824
RS		 3439 sess->der = app_malloc(sess->derlen, "get session buffer");
3440 if (!sess->id) {
7e1b7485 3441 BIO_printf(bio_err, "Out of memory adding to external cache\n");
a194ee7b
RS		 3442 OPENSSL_free(sess->id);
3443 OPENSSL_free(sess->der);
918bb865
MC		 3444 OPENSSL_free(sess);
3445 return 0;
3446 }
0f113f3e 3447 p = sess->der;
7e1b7485
RS		 3448
3449 /* Assume it still works. */
3450 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
ce6766de 3451 BIO_printf(bio_err, "Unexpected session encoding length\n");
a194ee7b
RS		 3452 OPENSSL_free(sess->id);
3453 OPENSSL_free(sess->der);
3454 OPENSSL_free(sess);
ac59d705
MC		 3455 return 0;
3456 }
35b0ea4e 3457
0f113f3e
MC		 3458 sess->next = first;
3459 first = sess;
3460 BIO_printf(bio_err, "New session added to external cache\n");
3461 return 0;
3462}
35b0ea4e 3463
b6981744 3464static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
0f113f3e
MC		 3465 int *do_copy)
3466{
3467 simple_ssl_session *sess;
3468 *do_copy = 0;
3469 for (sess = first; sess; sess = sess->next) {
3470 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3471 const unsigned char *p = sess->der;
3472 BIO_printf(bio_err, "Lookup session: cache hit\n");
3473 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3474 }
3475 }
3476 BIO_printf(bio_err, "Lookup session: cache miss\n");
3477 return NULL;
3478}
35b0ea4e
DSH		 3479
3480static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
0f113f3e
MC		 3481{
3482 simple_ssl_session *sess, *prev = NULL;
3483 const unsigned char *id;
3484 unsigned int idlen;
3485 id = SSL_SESSION_get_id(session, &idlen);
3486 for (sess = first; sess; sess = sess->next) {
3487 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3488 if (prev)
3489 prev->next = sess->next;
3490 else
3491 first = sess->next;
3492 OPENSSL_free(sess->id);
3493 OPENSSL_free(sess->der);
3494 OPENSSL_free(sess);
3495 return;
3496 }
3497 prev = sess;
3498 }
3499}
35b0ea4e
DSH		 3500
3501static void init_session_cache_ctx(SSL_CTX *sctx)
0f113f3e
MC		 3502{
3503 SSL_CTX_set_session_cache_mode(sctx,
3504 SSL_SESS_CACHE_NO_INTERNAL |
3505 SSL_SESS_CACHE_SERVER);
3506 SSL_CTX_sess_set_new_cb(sctx, add_session);
3507 SSL_CTX_sess_set_get_cb(sctx, get_session);
3508 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3509}
35b0ea4e
DSH		 3510
3511static void free_sessions(void)
0f113f3e
MC		 3512{
3513 simple_ssl_session *sess, *tsess;
3514 for (sess = first; sess;) {
3515 OPENSSL_free(sess->id);
3516 OPENSSL_free(sess->der);
3517 tsess = sess;
3518 sess = sess->next;
3519 OPENSSL_free(tsess);
3520 }
3521 first = NULL;
3522}
f9e55034 3523
d6073e27 3524#endif /* OPENSSL_NO_SOCK */
A mirror of the official openssl repository