source: EcnlProtoTool/trunk/openssl-1.1.0e/apps/s_server.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 105.1 KB
Line 
1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/* ====================================================================
11 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
12 * ECC cipher suite support in OpenSSL originally developed by
13 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
14 */
15/* ====================================================================
16 * Copyright 2005 Nokia. All rights reserved.
17 *
18 * The portions of the attached software ("Contribution") is developed by
19 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
20 * license.
21 *
22 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
23 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
24 * support (see RFC 4279) to OpenSSL.
25 *
26 * No patent licenses or other rights except those expressly stated in
27 * the OpenSSL open source license shall be deemed granted or received
28 * expressly, by implication, estoppel, or otherwise.
29 *
30 * No assurances are provided by Nokia that the Contribution does not
31 * infringe the patent or other intellectual property rights of any third
32 * party or that the license provides you with all the necessary rights
33 * to make use of the Contribution.
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
36 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
37 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
38 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
39 * OTHERWISE.
40 */
41
42#include <ctype.h>
43#include <stdio.h>
44#include <stdlib.h>
45#include <string.h>
46#if defined(_WIN32)
47/* Included before async.h to avoid some warnings */
48# include <windows.h>
49#endif
50
51#include <openssl/e_os2.h>
52#include <openssl/async.h>
53#include <openssl/ssl.h>
54
55#ifndef OPENSSL_NO_SOCK
56
57/*
58 * With IPv6, it looks like Digital has mixed up the proper order of
59 * recursive header file inclusion, resulting in the compiler complaining
60 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
61 * needed to have fileno() declared correctly... So let's define u_int
62 */
63#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
64# define __U_INT
65typedef unsigned int u_int;
66#endif
67
68#include <openssl/lhash.h>
69#include <openssl/bn.h>
70#define USE_SOCKETS
71#include "apps.h"
72#include <openssl/err.h>
73#include <openssl/pem.h>
74#include <openssl/x509.h>
75#include <openssl/ssl.h>
76#include <openssl/rand.h>
77#include <openssl/ocsp.h>
78#ifndef OPENSSL_NO_DH
79# include <openssl/dh.h>
80#endif
81#ifndef OPENSSL_NO_RSA
82# include <openssl/rsa.h>
83#endif
84#ifndef OPENSSL_NO_SRP
85# include <openssl/srp.h>
86#endif
87#include "s_apps.h"
88#include "timeouts.h"
89#ifdef CHARSET_EBCDIC
90#include <openssl/ebcdic.h>
91#endif
92
93static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
94static int sv_body(int s, int stype, unsigned char *context);
95static int www_body(int s, int stype, unsigned char *context);
96static int rev_body(int s, int stype, unsigned char *context);
97static void close_accept_socket(void);
98static int init_ssl_connection(SSL *s);
99static void print_stats(BIO *bp, SSL_CTX *ctx);
100static int generate_session_id(const SSL *ssl, unsigned char *id,
101 unsigned int *id_len);
102static void init_session_cache_ctx(SSL_CTX *sctx);
103static void free_sessions(void);
104#ifndef OPENSSL_NO_DH
105static DH *load_dh_param(const char *dhfile);
106#endif
107
108/* static int load_CA(SSL_CTX *ctx, char *file);*/
109
110static const int bufsize = 16 * 1024;
111static int accept_socket = -1;
112
113#define TEST_CERT "server.pem"
114#define TEST_CERT2 "server2.pem"
115
116static int s_nbio = 0;
117static int s_nbio_test = 0;
118static int s_crlf = 0;
119static SSL_CTX *ctx = NULL;
120static SSL_CTX *ctx2 = NULL;
121static int www = 0;
122
123static BIO *bio_s_out = NULL;
124static BIO *bio_s_msg = NULL;
125static int s_debug = 0;
126static int s_tlsextdebug = 0;
127static int s_msg = 0;
128static int s_quiet = 0;
129static int s_ign_eof = 0;
130static int s_brief = 0;
131
132static char *keymatexportlabel = NULL;
133static int keymatexportlen = 20;
134
135static int async = 0;
136
137static const char *session_id_prefix = NULL;
138
139#ifndef OPENSSL_NO_DTLS
140static int enable_timeouts = 0;
141static long socket_mtu;
142
143#endif
144static int dtlslisten = 0;
145
146#ifndef OPENSSL_NO_PSK
147static char *psk_identity = "Client_identity";
148char *psk_key = NULL; /* by default PSK is not used */
149
150static unsigned int psk_server_cb(SSL *ssl, const char *identity,
151 unsigned char *psk,
152 unsigned int max_psk_len)
153{
154 long key_len = 0;
155 unsigned char *key;
156
157 if (s_debug)
158 BIO_printf(bio_s_out, "psk_server_cb\n");
159 if (!identity) {
160 BIO_printf(bio_err, "Error: client did not send PSK identity\n");
161 goto out_err;
162 }
163 if (s_debug)
164 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n",
165 (int)strlen(identity), identity);
166
167 /* here we could lookup the given identity e.g. from a database */
168 if (strcmp(identity, psk_identity) != 0) {
169 BIO_printf(bio_s_out, "PSK error: client identity not found"
170 " (got '%s' expected '%s')\n", identity, psk_identity);
171 goto out_err;
172 }
173 if (s_debug)
174 BIO_printf(bio_s_out, "PSK client identity found\n");
175
176 /* convert the PSK key to binary */
177 key = OPENSSL_hexstr2buf(psk_key, &key_len);
178 if (key == NULL) {
179 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
180 psk_key);
181 return 0;
182 }
183 if (key_len > (int)max_psk_len) {
184 BIO_printf(bio_err,
185 "psk buffer of callback is too small (%d) for key (%ld)\n",
186 max_psk_len, key_len);
187 OPENSSL_free(key);
188 return 0;
189 }
190
191 memcpy(psk, key, key_len);
192 OPENSSL_free(key);
193
194 if (s_debug)
195 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len);
196 return key_len;
197 out_err:
198 if (s_debug)
199 BIO_printf(bio_err, "Error in PSK server callback\n");
200 (void)BIO_flush(bio_err);
201 (void)BIO_flush(bio_s_out);
202 return 0;
203}
204#endif
205
206#ifndef OPENSSL_NO_SRP
207/* This is a context that we pass to callbacks */
208typedef struct srpsrvparm_st {
209 char *login;
210 SRP_VBASE *vb;
211 SRP_user_pwd *user;
212} srpsrvparm;
213
214/*
215 * This callback pretends to require some asynchronous logic in order to
216 * obtain a verifier. When the callback is called for a new connection we
217 * return with a negative value. This will provoke the accept etc to return
218 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call
219 * (which would normally occur after a worker has finished) and we set the
220 * user parameters.
221 */
222static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
223{
224 srpsrvparm *p = (srpsrvparm *) arg;
225 int ret = SSL3_AL_FATAL;
226
227 if (p->login == NULL && p->user == NULL) {
228 p->login = SSL_get_srp_username(s);
229 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
230 return (-1);
231 }
232
233 if (p->user == NULL) {
234 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
235 goto err;
236 }
237
238 if (SSL_set_srp_server_param
239 (s, p->user->N, p->user->g, p->user->s, p->user->v,
240 p->user->info) < 0) {
241 *ad = SSL_AD_INTERNAL_ERROR;
242 goto err;
243 }
244 BIO_printf(bio_err,
245 "SRP parameters set: username = \"%s\" info=\"%s\" \n",
246 p->login, p->user->info);
247 ret = SSL_ERROR_NONE;
248
249 err:
250 SRP_user_pwd_free(p->user);
251 p->user = NULL;
252 p->login = NULL;
253 return ret;
254}
255
256#endif
257
258static int local_argc = 0;
259static char **local_argv;
260
261#ifdef CHARSET_EBCDIC
262static int ebcdic_new(BIO *bi);
263static int ebcdic_free(BIO *a);
264static int ebcdic_read(BIO *b, char *out, int outl);
265static int ebcdic_write(BIO *b, const char *in, int inl);
266static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
267static int ebcdic_gets(BIO *bp, char *buf, int size);
268static int ebcdic_puts(BIO *bp, const char *str);
269
270# define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
271static BIO_METHOD *methods_ebcdic = NULL;
272
273/* This struct is "unwarranted chumminess with the compiler." */
274typedef struct {
275 size_t alloced;
276 char buff[1];
277} EBCDIC_OUTBUFF;
278
279static const BIO_METHOD *BIO_f_ebcdic_filter()
280{
281 if (methods_ebcdic == NULL) {
282 methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER,
283 "EBCDIC/ASCII filter");
284 if (methods_ebcdic == NULL
285 || !BIO_meth_set_write(methods_ebcdic, ebcdic_write)
286 || !BIO_meth_set_read(methods_ebcdic, ebcdic_read)
287 || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts)
288 || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets)
289 || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl)
290 || !BIO_meth_set_create(methods_ebcdic, ebcdic_new)
291 || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free))
292 return NULL;
293 }
294 return methods_ebcdic;
295}
296
297static int ebcdic_new(BIO *bi)
298{
299 EBCDIC_OUTBUFF *wbuf;
300
301 wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf");
302 wbuf->alloced = 1024;
303 wbuf->buff[0] = '\0';
304
305 BIO_set_data(bi, wbuf);
306 BIO_set_init(bi, 1);
307 return 1;
308}
309
310static int ebcdic_free(BIO *a)
311{
312 EBCDIC_OUTBUFF *wbuf;
313
314 if (a == NULL)
315 return 0;
316 wbuf = BIO_get_data(a);
317 OPENSSL_free(wbuf);
318 BIO_set_data(a, NULL);
319 BIO_set_init(a, 0);
320
321 return 1;
322}
323
324static int ebcdic_read(BIO *b, char *out, int outl)
325{
326 int ret = 0;
327 BIO *next = BIO_next(b);
328
329 if (out == NULL || outl == 0)
330 return (0);
331 if (next == NULL)
332 return (0);
333
334 ret = BIO_read(next, out, outl);
335 if (ret > 0)
336 ascii2ebcdic(out, out, ret);
337 return ret;
338}
339
340static int ebcdic_write(BIO *b, const char *in, int inl)
341{
342 EBCDIC_OUTBUFF *wbuf;
343 BIO *next = BIO_next(b);
344 int ret = 0;
345 int num;
346
347 if ((in == NULL) || (inl <= 0))
348 return (0);
349 if (next == NULL)
350 return 0;
351
352 wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b);
353
354 if (inl > (num = wbuf->alloced)) {
355 num = num + num; /* double the size */
356 if (num < inl)
357 num = inl;
358 OPENSSL_free(wbuf);
359 wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf");
360
361 wbuf->alloced = num;
362 wbuf->buff[0] = '\0';
363
364 BIO_set_data(b, wbuf);
365 }
366
367 ebcdic2ascii(wbuf->buff, in, inl);
368
369 ret = BIO_write(next, wbuf->buff, inl);
370
371 return (ret);
372}
373
374static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
375{
376 long ret;
377 BIO *next = BIO_next(b);
378
379 if (next == NULL)
380 return (0);
381 switch (cmd) {
382 case BIO_CTRL_DUP:
383 ret = 0L;
384 break;
385 default:
386 ret = BIO_ctrl(next, cmd, num, ptr);
387 break;
388 }
389 return (ret);
390}
391
392static int ebcdic_gets(BIO *bp, char *buf, int size)
393{
394 int i, ret = 0;
395 BIO *next = BIO_next(bp);
396
397 if (next == NULL)
398 return 0;
399/* return(BIO_gets(bp->next_bio,buf,size));*/
400 for (i = 0; i < size - 1; ++i) {
401 ret = ebcdic_read(bp, &buf[i], 1);
402 if (ret <= 0)
403 break;
404 else if (buf[i] == '\n') {
405 ++i;
406 break;
407 }
408 }
409 if (i < size)
410 buf[i] = '\0';
411 return (ret < 0 && i == 0) ? ret : i;
412}
413
414static int ebcdic_puts(BIO *bp, const char *str)
415{
416 if (BIO_next(bp) == NULL)
417 return 0;
418 return ebcdic_write(bp, str, strlen(str));
419}
420#endif
421
422/* This is a context that we pass to callbacks */
423typedef struct tlsextctx_st {
424 char *servername;
425 BIO *biodebug;
426 int extension_error;
427} tlsextctx;
428
429static int ssl_servername_cb(SSL *s, int *ad, void *arg)
430{
431 tlsextctx *p = (tlsextctx *) arg;
432 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
433 if (servername && p->biodebug)
434 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
435 servername);
436
437 if (!p->servername)
438 return SSL_TLSEXT_ERR_NOACK;
439
440 if (servername) {
441 if (strcasecmp(servername, p->servername))
442 return p->extension_error;
443 if (ctx2) {
444 BIO_printf(p->biodebug, "Switching server context.\n");
445 SSL_set_SSL_CTX(s, ctx2);
446 }
447 }
448 return SSL_TLSEXT_ERR_OK;
449}
450
451/* Structure passed to cert status callback */
452
453typedef struct tlsextstatusctx_st {
454 /* Default responder to use */
455 char *host, *path, *port;
456 int use_ssl;
457 int timeout;
458 int verbose;
459} tlsextstatusctx;
460
461static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, 0 };
462
463#ifndef OPENSSL_NO_OCSP
464/*
465 * Certificate Status callback. This is called when a client includes a
466 * certificate status request extension. This is a simplified version. It
467 * examines certificates each time and makes one OCSP responder query for
468 * each request. A full version would store details such as the OCSP
469 * certificate IDs and minimise the number of OCSP responses by caching them
470 * until they were considered "expired".
471 */
472
473static int cert_status_cb(SSL *s, void *arg)
474{
475 tlsextstatusctx *srctx = arg;
476 char *host = NULL, *port = NULL, *path = NULL;
477 int use_ssl;
478 unsigned char *rspder = NULL;
479 int rspderlen;
480 STACK_OF(OPENSSL_STRING) *aia = NULL;
481 X509 *x = NULL;
482 X509_STORE_CTX *inctx = NULL;
483 X509_OBJECT *obj;
484 OCSP_REQUEST *req = NULL;
485 OCSP_RESPONSE *resp = NULL;
486 OCSP_CERTID *id = NULL;
487 STACK_OF(X509_EXTENSION) *exts;
488 int ret = SSL_TLSEXT_ERR_NOACK;
489 int i;
490
491 if (srctx->verbose)
492 BIO_puts(bio_err, "cert_status: callback called\n");
493 /* Build up OCSP query from server certificate */
494 x = SSL_get_certificate(s);
495 aia = X509_get1_ocsp(x);
496 if (aia) {
497 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
498 &host, &port, &path, &use_ssl)) {
499 BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
500 goto err;
501 }
502 if (srctx->verbose)
503 BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
504 sk_OPENSSL_STRING_value(aia, 0));
505 } else {
506 if (!srctx->host) {
507 BIO_puts(bio_err,
508 "cert_status: no AIA and no default responder URL\n");
509 goto done;
510 }
511 host = srctx->host;
512 path = srctx->path;
513 port = srctx->port;
514 use_ssl = srctx->use_ssl;
515 }
516
517 inctx = X509_STORE_CTX_new();
518 if (inctx == NULL)
519 goto err;
520 if (!X509_STORE_CTX_init(inctx,
521 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
522 NULL, NULL))
523 goto err;
524 obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509,
525 X509_get_issuer_name(x));
526 if (obj == NULL) {
527 BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
528 goto done;
529 }
530 id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj));
531 X509_OBJECT_free(obj);
532 if (!id)
533 goto err;
534 req = OCSP_REQUEST_new();
535 if (req == NULL)
536 goto err;
537 if (!OCSP_request_add0_id(req, id))
538 goto err;
539 id = NULL;
540 /* Add any extensions to the request */
541 SSL_get_tlsext_status_exts(s, &exts);
542 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
543 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
544 if (!OCSP_REQUEST_add_ext(req, ext, -1))
545 goto err;
546 }
547 resp = process_responder(req, host, path, port, use_ssl, NULL,
548 srctx->timeout);
549 if (!resp) {
550 BIO_puts(bio_err, "cert_status: error querying responder\n");
551 goto done;
552 }
553 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
554 if (rspderlen <= 0)
555 goto err;
556 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
557 if (srctx->verbose) {
558 BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
559 OCSP_RESPONSE_print(bio_err, resp, 2);
560 }
561 ret = SSL_TLSEXT_ERR_OK;
562 goto done;
563
564 err:
565 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
566 done:
567 if (ret != SSL_TLSEXT_ERR_OK)
568 ERR_print_errors(bio_err);
569 if (aia) {
570 OPENSSL_free(host);
571 OPENSSL_free(path);
572 OPENSSL_free(port);
573 X509_email_free(aia);
574 }
575 OCSP_CERTID_free(id);
576 OCSP_REQUEST_free(req);
577 OCSP_RESPONSE_free(resp);
578 X509_STORE_CTX_free(inctx);
579 return ret;
580}
581#endif
582
583#ifndef OPENSSL_NO_NEXTPROTONEG
584/* This is the context that we pass to next_proto_cb */
585typedef struct tlsextnextprotoctx_st {
586 unsigned char *data;
587 unsigned int len;
588} tlsextnextprotoctx;
589
590static int next_proto_cb(SSL *s, const unsigned char **data,
591 unsigned int *len, void *arg)
592{
593 tlsextnextprotoctx *next_proto = arg;
594
595 *data = next_proto->data;
596 *len = next_proto->len;
597
598 return SSL_TLSEXT_ERR_OK;
599}
600#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
601
602/* This the context that we pass to alpn_cb */
603typedef struct tlsextalpnctx_st {
604 unsigned char *data;
605 size_t len;
606} tlsextalpnctx;
607
608static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
609 const unsigned char *in, unsigned int inlen, void *arg)
610{
611 tlsextalpnctx *alpn_ctx = arg;
612
613 if (!s_quiet) {
614 /* We can assume that |in| is syntactically valid. */
615 unsigned int i;
616 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
617 for (i = 0; i < inlen;) {
618 if (i)
619 BIO_write(bio_s_out, ", ", 2);
620 BIO_write(bio_s_out, &in[i + 1], in[i]);
621 i += in[i] + 1;
622 }
623 BIO_write(bio_s_out, "\n", 1);
624 }
625
626 if (SSL_select_next_proto
627 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
628 inlen) != OPENSSL_NPN_NEGOTIATED) {
629 return SSL_TLSEXT_ERR_NOACK;
630 }
631
632 if (!s_quiet) {
633 BIO_printf(bio_s_out, "ALPN protocols selected: ");
634 BIO_write(bio_s_out, *out, *outlen);
635 BIO_write(bio_s_out, "\n", 1);
636 }
637
638 return SSL_TLSEXT_ERR_OK;
639}
640
641static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
642{
643 /* disable resumption for sessions with forward secure ciphers */
644 return is_forward_secure;
645}
646
647#ifndef OPENSSL_NO_SRP
648static srpsrvparm srp_callback_parm;
649#endif
650#ifndef OPENSSL_NO_SRTP
651static char *srtp_profiles = NULL;
652#endif
653
654typedef enum OPTION_choice {
655 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ENGINE,
656 OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT,
657 OPT_VERIFY, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL,
658 OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM,
659 OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT,
660 OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT,
661 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE,
662 OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
663 OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE,
664 OPT_VERIFYCAFILE, OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF,
665 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE,
666 OPT_STATUS_TIMEOUT, OPT_STATUS_URL, OPT_MSG, OPT_MSGFILE, OPT_TRACE,
667 OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, OPT_CRLF,
668 OPT_QUIET, OPT_BRIEF, OPT_NO_DHE,
669 OPT_NO_RESUME_EPHEMERAL, OPT_PSK_HINT, OPT_PSK, OPT_SRPVFILE,
670 OPT_SRPUSERSEED, OPT_REV, OPT_WWW, OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC,
671 OPT_SSL_CONFIG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
672 OPT_SSL3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
673 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN,
674 OPT_ID_PREFIX, OPT_RAND, OPT_SERVERNAME, OPT_SERVERNAME_FATAL,
675 OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN,
676 OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN,
677 OPT_S_ENUM,
678 OPT_V_ENUM,
679 OPT_X_ENUM
680} OPTION_CHOICE;
681
682OPTIONS s_server_options[] = {
683 {"help", OPT_HELP, '-', "Display this summary"},
684 {"port", OPT_PORT, 'p',
685 "TCP/IP port to listen on for connections (default is " PORT ")"},
686 {"accept", OPT_ACCEPT, 's',
687 "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"},
688#ifdef AF_UNIX
689 {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"},
690#endif
691 {"4", OPT_4, '-', "Use IPv4 only"},
692 {"6", OPT_6, '-', "Use IPv6 only"},
693#ifdef AF_UNIX
694 {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"},
695#endif
696 {"context", OPT_CONTEXT, 's', "Set session ID context"},
697 {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"},
698 {"Verify", OPT_UPPER_V_VERIFY, 'n',
699 "Turn on peer certificate verification, must have a cert"},
700 {"cert", OPT_CERT, '<', "Certificate file to use; default is " TEST_CERT},
701 {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"},
702 {"serverinfo", OPT_SERVERINFO, 's',
703 "PEM serverinfo file for certificate"},
704 {"certform", OPT_CERTFORM, 'F',
705 "Certificate format (PEM or DER) PEM default"},
706 {"key", OPT_KEY, '<',
707 "Private Key if not in -cert; default is " TEST_CERT},
708 {"keyform", OPT_KEYFORM, 'f',
709 "Key format (PEM, DER or ENGINE) PEM default"},
710 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
711 {"dcert", OPT_DCERT, '<',
712 "Second certificate file to use (usually for DSA)"},
713 {"dcertform", OPT_DCERTFORM, 'F',
714 "Second certificate format (PEM or DER) PEM default"},
715 {"dkey", OPT_DKEY, '<',
716 "Second private key file to use (usually for DSA)"},
717 {"dkeyform", OPT_DKEYFORM, 'F',
718 "Second key format (PEM, DER or ENGINE) PEM default"},
719 {"dpass", OPT_DPASS, 's', "Second private key file pass phrase source"},
720 {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"},
721 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
722 {"debug", OPT_DEBUG, '-', "Print more output"},
723 {"msg", OPT_MSG, '-', "Show protocol messages"},
724 {"msgfile", OPT_MSGFILE, '>',
725 "File to send output of -msg or -trace, instead of stdout"},
726 {"state", OPT_STATE, '-', "Print the SSL states"},
727 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
728 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
729 {"no-CAfile", OPT_NOCAFILE, '-',
730 "Do not load the default certificates file"},
731 {"no-CApath", OPT_NOCAPATH, '-',
732 "Do not load certificates from the default certificates directory"},
733 {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"},
734 {"quiet", OPT_QUIET, '-', "No server output"},
735 {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-',
736 "Disable caching and tickets if ephemeral (EC)DH is used"},
737 {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"},
738 {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"},
739 {"servername", OPT_SERVERNAME, 's',
740 "Servername for HostName TLS extension"},
741 {"servername_fatal", OPT_SERVERNAME_FATAL, '-',
742 "mismatch send fatal alert (default warning alert)"},
743 {"cert2", OPT_CERT2, '<',
744 "Certificate file to use for servername; default is" TEST_CERT2},
745 {"key2", OPT_KEY2, '<',
746 "-Private Key file to use for servername if not in -cert2"},
747 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
748 "Hex dump of all TLS extensions received"},
749 {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"},
750 {"id_prefix", OPT_ID_PREFIX, 's',
751 "Generate SSL/TLS session IDs prefixed by arg"},
752 {"rand", OPT_RAND, 's',
753 "Load the file(s) into the random number generator"},
754 {"keymatexport", OPT_KEYMATEXPORT, 's',
755 "Export keying material using label"},
756 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
757 "Export len bytes of keying material (default 20)"},
758 {"CRL", OPT_CRL, '<', "CRL file to use"},
759 {"crl_download", OPT_CRL_DOWNLOAD, '-',
760 "Download CRL from distribution points"},
761 {"cert_chain", OPT_CERT_CHAIN, '<',
762 "certificate chain file in PEM format"},
763 {"dcert_chain", OPT_DCERT_CHAIN, '<',
764 "second certificate chain file in PEM format"},
765 {"chainCApath", OPT_CHAINCAPATH, '/',
766 "use dir as certificate store path to build CA certificate chain"},
767 {"verifyCApath", OPT_VERIFYCAPATH, '/',
768 "use dir as certificate store path to verify CA certificate"},
769 {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"},
770 {"ext_cache", OPT_EXT_CACHE, '-',
771 "Disable internal cache, setup and use external cache"},
772 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
773 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
774 "Close connection on verification error"},
775 {"verify_quiet", OPT_VERIFY_QUIET, '-',
776 "No verify output except verify errors"},
777 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
778 {"chainCAfile", OPT_CHAINCAFILE, '<',
779 "CA file for certificate chain (PEM format)"},
780 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
781 "CA file for certificate verification (PEM format)"},
782 {"ign_eof", OPT_IGN_EOF, '-', "ignore input eof (default when -quiet)"},
783 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input eof"},
784#ifndef OPENSSL_NO_OCSP
785 {"status", OPT_STATUS, '-', "Request certificate status from server"},
786 {"status_verbose", OPT_STATUS_VERBOSE, '-',
787 "Print more output in certificate status callback"},
788 {"status_timeout", OPT_STATUS_TIMEOUT, 'n',
789 "Status request responder timeout"},
790 {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"},
791#endif
792#ifndef OPENSSL_NO_SSL_TRACE
793 {"trace", OPT_TRACE, '-', "trace protocol messages"},
794#endif
795 {"security_debug", OPT_SECURITY_DEBUG, '-',
796 "Print output from SSL/TLS security framework"},
797 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
798 "Print more output from SSL/TLS security framework"},
799 {"brief", OPT_BRIEF, '-',
800 "Restrict output to brief summary of connection parameters"},
801 {"rev", OPT_REV, '-',
802 "act as a simple test server which just sends back with the received text reversed"},
803 {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"},
804 {"ssl_config", OPT_SSL_CONFIG, 's',
805 "Configure SSL_CTX using the configuration 'val'"},
806 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
807 "Size used to split data for encrypt pipelines"},
808 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
809 "Maximum number of encrypt/decrypt pipelines to be used"},
810 {"read_buf", OPT_READ_BUF, 'n',
811 "Default read buffer size to be used for connections"},
812 OPT_S_OPTIONS,
813 OPT_V_OPTIONS,
814 OPT_X_OPTIONS,
815 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
816#ifndef OPENSSL_NO_PSK
817 {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"},
818 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
819#endif
820#ifndef OPENSSL_NO_SRP
821 {"srpvfile", OPT_SRPVFILE, '<', "The verifier file for SRP"},
822 {"srpuserseed", OPT_SRPUSERSEED, 's',
823 "A seed string for a default user salt"},
824#endif
825#ifndef OPENSSL_NO_SSL3
826 {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"},
827#endif
828#ifndef OPENSSL_NO_TLS1
829 {"tls1", OPT_TLS1, '-', "Just talk TLSv1"},
830#endif
831#ifndef OPENSSL_NO_TLS1_1
832 {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"},
833#endif
834#ifndef OPENSSL_NO_TLS1_2
835 {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"},
836#endif
837#ifndef OPENSSL_NO_DTLS
838 {"dtls", OPT_DTLS, '-', "Use any DTLS version"},
839 {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"},
840 {"mtu", OPT_MTU, 'p', "Set link layer MTU"},
841 {"listen", OPT_LISTEN, '-',
842 "Listen for a DTLS ClientHello with a cookie and then connect"},
843#endif
844#ifndef OPENSSL_NO_DTLS1
845 {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"},
846#endif
847#ifndef OPENSSL_NO_DTLS1_2
848 {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"},
849#endif
850#ifndef OPENSSL_NO_DH
851 {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"},
852#endif
853#ifndef OPENSSL_NO_NEXTPROTONEG
854 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
855 "Set the advertised protocols for the NPN extension (comma-separated list)"},
856#endif
857#ifndef OPENSSL_NO_SRTP
858 {"use_srtp", OPT_SRTP_PROFILES, 's',
859 "Offer SRTP key management with a colon-separated profile list"},
860#endif
861 {"alpn", OPT_ALPN, 's',
862 "Set the advertised protocols for the ALPN extension (comma-separated list)"},
863#ifndef OPENSSL_NO_ENGINE
864 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
865#endif
866 {NULL, OPT_EOF, 0, NULL}
867};
868
869#define IS_PROT_FLAG(o) \
870 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
871 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
872
873int s_server_main(int argc, char *argv[])
874{
875 ENGINE *engine = NULL;
876 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
877 SSL_CONF_CTX *cctx = NULL;
878 const SSL_METHOD *meth = TLS_server_method();
879 SSL_EXCERT *exc = NULL;
880 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
881 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
882 STACK_OF(X509_CRL) *crls = NULL;
883 X509 *s_cert = NULL, *s_dcert = NULL;
884 X509_VERIFY_PARAM *vpm = NULL;
885 const char *CApath = NULL, *CAfile = NULL, *chCApath = NULL, *chCAfile = NULL;
886 char *dpassarg = NULL, *dpass = NULL, *inrand = NULL;
887 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
888 char *crl_file = NULL, *prog;
889#ifdef AF_UNIX
890 int unlink_unix_path = 0;
891#endif
892 do_server_cb server_cb;
893 int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0;
894#ifndef OPENSSL_NO_DH
895 char *dhfile = NULL;
896 int no_dhe = 0;
897#endif
898 int nocert = 0, ret = 1;
899 int noCApath = 0, noCAfile = 0;
900 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
901 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
902 int rev = 0, naccept = -1, sdebug = 0;
903 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
904 int state = 0, crl_format = FORMAT_PEM, crl_download = 0;
905 char *host = NULL;
906 char *port = BUF_strdup(PORT);
907 unsigned char *context = NULL;
908 OPTION_CHOICE o;
909 EVP_PKEY *s_key2 = NULL;
910 X509 *s_cert2 = NULL;
911 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING };
912 const char *ssl_config = NULL;
913 int read_buf_len = 0;
914#ifndef OPENSSL_NO_NEXTPROTONEG
915 const char *next_proto_neg_in = NULL;
916 tlsextnextprotoctx next_proto = { NULL, 0 };
917#endif
918 const char *alpn_in = NULL;
919 tlsextalpnctx alpn_ctx = { NULL, 0 };
920#ifndef OPENSSL_NO_PSK
921 /* by default do not send a PSK identity hint */
922 static char *psk_identity_hint = NULL;
923 char *p;
924#endif
925#ifndef OPENSSL_NO_SRP
926 char *srpuserseed = NULL;
927 char *srp_verifier_file = NULL;
928#endif
929 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
930 int s_server_verify = SSL_VERIFY_NONE;
931 int s_server_session_id_context = 1; /* anything will do */
932 const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL;
933 const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
934 char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL;
935#ifndef OPENSSL_NO_OCSP
936 int s_tlsextstatus = 0;
937#endif
938 int no_resume_ephemeral = 0;
939 unsigned int split_send_fragment = 0, max_pipelines = 0;
940 const char *s_serverinfo_file = NULL;
941
942 /* Init of few remaining global variables */
943 local_argc = argc;
944 local_argv = argv;
945
946 ctx = ctx2 = NULL;
947 s_nbio = s_nbio_test = 0;
948 www = 0;
949 bio_s_out = NULL;
950 s_debug = 0;
951 s_msg = 0;
952 s_quiet = 0;
953 s_brief = 0;
954 async = 0;
955
956 cctx = SSL_CONF_CTX_new();
957 vpm = X509_VERIFY_PARAM_new();
958 if (cctx == NULL || vpm == NULL)
959 goto end;
960 SSL_CONF_CTX_set_flags(cctx,
961 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE);
962
963 prog = opt_init(argc, argv, s_server_options);
964 while ((o = opt_next()) != OPT_EOF) {
965 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
966 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
967 goto end;
968 }
969 if (IS_NO_PROT_FLAG(o))
970 no_prot_opt++;
971 if (prot_opt == 1 && no_prot_opt) {
972 BIO_printf(bio_err,
973 "Cannot supply both a protocol flag and '-no_<prot>'\n");
974 goto end;
975 }
976 switch (o) {
977 case OPT_EOF:
978 case OPT_ERR:
979 opthelp:
980 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
981 goto end;
982 case OPT_HELP:
983 opt_help(s_server_options);
984 ret = 0;
985 goto end;
986
987 case OPT_4:
988#ifdef AF_UNIX
989 if (socket_family == AF_UNIX) {
990 OPENSSL_free(host); host = NULL;
991 OPENSSL_free(port); port = NULL;
992 }
993#endif
994 socket_family = AF_INET;
995 break;
996 case OPT_6:
997 if (1) {
998#ifdef AF_INET6
999#ifdef AF_UNIX
1000 if (socket_family == AF_UNIX) {
1001 OPENSSL_free(host); host = NULL;
1002 OPENSSL_free(port); port = NULL;
1003 }
1004#endif
1005 socket_family = AF_INET6;
1006 } else {
1007#endif
1008 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1009 goto end;
1010 }
1011 break;
1012 case OPT_PORT:
1013#ifdef AF_UNIX
1014 if (socket_family == AF_UNIX) {
1015 socket_family = AF_UNSPEC;
1016 }
1017#endif
1018 OPENSSL_free(port); port = NULL;
1019 OPENSSL_free(host); host = NULL;
1020 if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) {
1021 BIO_printf(bio_err,
1022 "%s: -port argument malformed or ambiguous\n",
1023 port);
1024 goto end;
1025 }
1026 break;
1027 case OPT_ACCEPT:
1028#ifdef AF_UNIX
1029 if (socket_family == AF_UNIX) {
1030 socket_family = AF_UNSPEC;
1031 }
1032#endif
1033 OPENSSL_free(port); port = NULL;
1034 OPENSSL_free(host); host = NULL;
1035 if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) {
1036 BIO_printf(bio_err,
1037 "%s: -accept argument malformed or ambiguous\n",
1038 port);
1039 goto end;
1040 }
1041 break;
1042#ifdef AF_UNIX
1043 case OPT_UNIX:
1044 socket_family = AF_UNIX;
1045 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1046 OPENSSL_free(port); port = NULL;
1047 break;
1048 case OPT_UNLINK:
1049 unlink_unix_path = 1;
1050 break;
1051#endif
1052 case OPT_NACCEPT:
1053 naccept = atol(opt_arg());
1054 break;
1055 case OPT_VERIFY:
1056 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
1057 verify_args.depth = atoi(opt_arg());
1058 if (!s_quiet)
1059 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1060 break;
1061 case OPT_UPPER_V_VERIFY:
1062 s_server_verify =
1063 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
1064 SSL_VERIFY_CLIENT_ONCE;
1065 verify_args.depth = atoi(opt_arg());
1066 if (!s_quiet)
1067 BIO_printf(bio_err,
1068 "verify depth is %d, must return a certificate\n",
1069 verify_args.depth);
1070 break;
1071 case OPT_CONTEXT:
1072 context = (unsigned char *)opt_arg();
1073 break;
1074 case OPT_CERT:
1075 s_cert_file = opt_arg();
1076 break;
1077 case OPT_CRL:
1078 crl_file = opt_arg();
1079 break;
1080 case OPT_CRL_DOWNLOAD:
1081 crl_download = 1;
1082 break;
1083 case OPT_SERVERINFO:
1084 s_serverinfo_file = opt_arg();
1085 break;
1086 case OPT_CERTFORM:
1087 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_cert_format))
1088 goto opthelp;
1089 break;
1090 case OPT_KEY:
1091 s_key_file = opt_arg();
1092 break;
1093 case OPT_KEYFORM:
1094 if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format))
1095 goto opthelp;
1096 break;
1097 case OPT_PASS:
1098 passarg = opt_arg();
1099 break;
1100 case OPT_CERT_CHAIN:
1101 s_chain_file = opt_arg();
1102 break;
1103 case OPT_DHPARAM:
1104#ifndef OPENSSL_NO_DH
1105 dhfile = opt_arg();
1106#endif
1107 break;
1108 case OPT_DCERTFORM:
1109 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dcert_format))
1110 goto opthelp;
1111 break;
1112 case OPT_DCERT:
1113 s_dcert_file = opt_arg();
1114 break;
1115 case OPT_DKEYFORM:
1116 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &s_dkey_format))
1117 goto opthelp;
1118 break;
1119 case OPT_DPASS:
1120 dpassarg = opt_arg();
1121 break;
1122 case OPT_DKEY:
1123 s_dkey_file = opt_arg();
1124 break;
1125 case OPT_DCERT_CHAIN:
1126 s_dchain_file = opt_arg();
1127 break;
1128 case OPT_NOCERT:
1129 nocert = 1;
1130 break;
1131 case OPT_CAPATH:
1132 CApath = opt_arg();
1133 break;
1134 case OPT_NOCAPATH:
1135 noCApath = 1;
1136 break;
1137 case OPT_CHAINCAPATH:
1138 chCApath = opt_arg();
1139 break;
1140 case OPT_VERIFYCAPATH:
1141 vfyCApath = opt_arg();
1142 break;
1143 case OPT_NO_CACHE:
1144 no_cache = 1;
1145 break;
1146 case OPT_EXT_CACHE:
1147 ext_cache = 1;
1148 break;
1149 case OPT_CRLFORM:
1150 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1151 goto opthelp;
1152 break;
1153 case OPT_S_CASES:
1154 if (ssl_args == NULL)
1155 ssl_args = sk_OPENSSL_STRING_new_null();
1156 if (ssl_args == NULL
1157 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1158 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1159 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1160 goto end;
1161 }
1162 break;
1163 case OPT_V_CASES:
1164 if (!opt_verify(o, vpm))
1165 goto end;
1166 vpmtouched++;
1167 break;
1168 case OPT_X_CASES:
1169 if (!args_excert(o, &exc))
1170 goto end;
1171 break;
1172 case OPT_VERIFY_RET_ERROR:
1173 verify_args.return_error = 1;
1174 break;
1175 case OPT_VERIFY_QUIET:
1176 verify_args.quiet = 1;
1177 break;
1178 case OPT_BUILD_CHAIN:
1179 build_chain = 1;
1180 break;
1181 case OPT_CAFILE:
1182 CAfile = opt_arg();
1183 break;
1184 case OPT_NOCAFILE:
1185 noCAfile = 1;
1186 break;
1187 case OPT_CHAINCAFILE:
1188 chCAfile = opt_arg();
1189 break;
1190 case OPT_VERIFYCAFILE:
1191 vfyCAfile = opt_arg();
1192 break;
1193 case OPT_NBIO:
1194 s_nbio = 1;
1195 break;
1196 case OPT_NBIO_TEST:
1197 s_nbio = s_nbio_test = 1;
1198 break;
1199 case OPT_IGN_EOF:
1200 s_ign_eof = 1;
1201 break;
1202 case OPT_NO_IGN_EOF:
1203 s_ign_eof = 0;
1204 break;
1205 case OPT_DEBUG:
1206 s_debug = 1;
1207 break;
1208 case OPT_TLSEXTDEBUG:
1209 s_tlsextdebug = 1;
1210 break;
1211 case OPT_STATUS:
1212#ifndef OPENSSL_NO_OCSP
1213 s_tlsextstatus = 1;
1214#endif
1215 break;
1216 case OPT_STATUS_VERBOSE:
1217#ifndef OPENSSL_NO_OCSP
1218 s_tlsextstatus = tlscstatp.verbose = 1;
1219#endif
1220 break;
1221 case OPT_STATUS_TIMEOUT:
1222#ifndef OPENSSL_NO_OCSP
1223 s_tlsextstatus = 1;
1224 tlscstatp.timeout = atoi(opt_arg());
1225#endif
1226 break;
1227 case OPT_STATUS_URL:
1228#ifndef OPENSSL_NO_OCSP
1229 s_tlsextstatus = 1;
1230 if (!OCSP_parse_url(opt_arg(),
1231 &tlscstatp.host,
1232 &tlscstatp.port,
1233 &tlscstatp.path, &tlscstatp.use_ssl)) {
1234 BIO_printf(bio_err, "Error parsing URL\n");
1235 goto end;
1236 }
1237#endif
1238 break;
1239 case OPT_MSG:
1240 s_msg = 1;
1241 break;
1242 case OPT_MSGFILE:
1243 bio_s_msg = BIO_new_file(opt_arg(), "w");
1244 break;
1245 case OPT_TRACE:
1246#ifndef OPENSSL_NO_SSL_TRACE
1247 s_msg = 2;
1248#endif
1249 break;
1250 case OPT_SECURITY_DEBUG:
1251 sdebug = 1;
1252 break;
1253 case OPT_SECURITY_DEBUG_VERBOSE:
1254 sdebug = 2;
1255 break;
1256 case OPT_STATE:
1257 state = 1;
1258 break;
1259 case OPT_CRLF:
1260 s_crlf = 1;
1261 break;
1262 case OPT_QUIET:
1263 s_quiet = 1;
1264 break;
1265 case OPT_BRIEF:
1266 s_quiet = s_brief = verify_args.quiet = 1;
1267 break;
1268 case OPT_NO_DHE:
1269#ifndef OPENSSL_NO_DH
1270 no_dhe = 1;
1271#endif
1272 break;
1273 case OPT_NO_RESUME_EPHEMERAL:
1274 no_resume_ephemeral = 1;
1275 break;
1276 case OPT_PSK_HINT:
1277#ifndef OPENSSL_NO_PSK
1278 psk_identity_hint = opt_arg();
1279#endif
1280 break;
1281 case OPT_PSK:
1282#ifndef OPENSSL_NO_PSK
1283 for (p = psk_key = opt_arg(); *p; p++) {
1284 if (isxdigit(_UC(*p)))
1285 continue;
1286 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
1287 goto end;
1288 }
1289#endif
1290 break;
1291 case OPT_SRPVFILE:
1292#ifndef OPENSSL_NO_SRP
1293 srp_verifier_file = opt_arg();
1294 if (min_version < TLS1_VERSION)
1295 min_version = TLS1_VERSION;
1296#endif
1297 break;
1298 case OPT_SRPUSERSEED:
1299#ifndef OPENSSL_NO_SRP
1300 srpuserseed = opt_arg();
1301 if (min_version < TLS1_VERSION)
1302 min_version = TLS1_VERSION;
1303#endif
1304 break;
1305 case OPT_REV:
1306 rev = 1;
1307 break;
1308 case OPT_WWW:
1309 www = 1;
1310 break;
1311 case OPT_UPPER_WWW:
1312 www = 2;
1313 break;
1314 case OPT_HTTP:
1315 www = 3;
1316 break;
1317 case OPT_SSL_CONFIG:
1318 ssl_config = opt_arg();
1319 break;
1320 case OPT_SSL3:
1321 min_version = SSL3_VERSION;
1322 max_version = SSL3_VERSION;
1323 break;
1324 case OPT_TLS1_2:
1325 min_version = TLS1_2_VERSION;
1326 max_version = TLS1_2_VERSION;
1327 break;
1328 case OPT_TLS1_1:
1329 min_version = TLS1_1_VERSION;
1330 max_version = TLS1_1_VERSION;
1331 break;
1332 case OPT_TLS1:
1333 min_version = TLS1_VERSION;
1334 max_version = TLS1_VERSION;
1335 break;
1336 case OPT_DTLS:
1337#ifndef OPENSSL_NO_DTLS
1338 meth = DTLS_server_method();
1339 socket_type = SOCK_DGRAM;
1340#endif
1341 break;
1342 case OPT_DTLS1:
1343#ifndef OPENSSL_NO_DTLS
1344 meth = DTLS_server_method();
1345 min_version = DTLS1_VERSION;
1346 max_version = DTLS1_VERSION;
1347 socket_type = SOCK_DGRAM;
1348#endif
1349 break;
1350 case OPT_DTLS1_2:
1351#ifndef OPENSSL_NO_DTLS
1352 meth = DTLS_server_method();
1353 min_version = DTLS1_2_VERSION;
1354 max_version = DTLS1_2_VERSION;
1355 socket_type = SOCK_DGRAM;
1356#endif
1357 break;
1358 case OPT_TIMEOUT:
1359#ifndef OPENSSL_NO_DTLS
1360 enable_timeouts = 1;
1361#endif
1362 break;
1363 case OPT_MTU:
1364#ifndef OPENSSL_NO_DTLS
1365 socket_mtu = atol(opt_arg());
1366#endif
1367 break;
1368 case OPT_LISTEN:
1369#ifndef OPENSSL_NO_DTLS
1370 dtlslisten = 1;
1371#endif
1372 break;
1373 case OPT_ID_PREFIX:
1374 session_id_prefix = opt_arg();
1375 break;
1376 case OPT_ENGINE:
1377 engine = setup_engine(opt_arg(), 1);
1378 break;
1379 case OPT_RAND:
1380 inrand = opt_arg();
1381 break;
1382 case OPT_SERVERNAME:
1383 tlsextcbp.servername = opt_arg();
1384 break;
1385 case OPT_SERVERNAME_FATAL:
1386 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
1387 break;
1388 case OPT_CERT2:
1389 s_cert_file2 = opt_arg();
1390 break;
1391 case OPT_KEY2:
1392 s_key_file2 = opt_arg();
1393 break;
1394 case OPT_NEXTPROTONEG:
1395# ifndef OPENSSL_NO_NEXTPROTONEG
1396 next_proto_neg_in = opt_arg();
1397#endif
1398 break;
1399 case OPT_ALPN:
1400 alpn_in = opt_arg();
1401 break;
1402 case OPT_SRTP_PROFILES:
1403#ifndef OPENSSL_NO_SRTP
1404 srtp_profiles = opt_arg();
1405#endif
1406 break;
1407 case OPT_KEYMATEXPORT:
1408 keymatexportlabel = opt_arg();
1409 break;
1410 case OPT_KEYMATEXPORTLEN:
1411 keymatexportlen = atoi(opt_arg());
1412 break;
1413 case OPT_ASYNC:
1414 async = 1;
1415 break;
1416 case OPT_SPLIT_SEND_FRAG:
1417 split_send_fragment = atoi(opt_arg());
1418 if (split_send_fragment == 0) {
1419 /*
1420 * Not allowed - set to a deliberately bad value so we get an
1421 * error message below
1422 */
1423 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1424 }
1425 break;
1426 case OPT_MAX_PIPELINES:
1427 max_pipelines = atoi(opt_arg());
1428 break;
1429 case OPT_READ_BUF:
1430 read_buf_len = atoi(opt_arg());
1431 break;
1432
1433 }
1434 }
1435 argc = opt_num_rest();
1436 argv = opt_rest();
1437
1438#ifndef OPENSSL_NO_DTLS
1439 if (www && socket_type == SOCK_DGRAM) {
1440 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n");
1441 goto end;
1442 }
1443
1444 if (dtlslisten && socket_type != SOCK_DGRAM) {
1445 BIO_printf(bio_err, "Can only use -listen with DTLS\n");
1446 goto end;
1447 }
1448#endif
1449
1450#ifdef AF_UNIX
1451 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1452 BIO_printf(bio_err,
1453 "Can't use unix sockets and datagrams together\n");
1454 goto end;
1455 }
1456#endif
1457
1458 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1459 BIO_printf(bio_err, "Bad split send fragment size\n");
1460 goto end;
1461 }
1462
1463 if (max_pipelines > SSL_MAX_PIPELINES) {
1464 BIO_printf(bio_err, "Bad max pipelines value\n");
1465 goto end;
1466 }
1467
1468 if (!app_passwd(passarg, dpassarg, &pass, &dpass)) {
1469 BIO_printf(bio_err, "Error getting password\n");
1470 goto end;
1471 }
1472
1473 if (s_key_file == NULL)
1474 s_key_file = s_cert_file;
1475
1476 if (s_key_file2 == NULL)
1477 s_key_file2 = s_cert_file2;
1478
1479 if (!load_excert(&exc))
1480 goto end;
1481
1482 if (nocert == 0) {
1483 s_key = load_key(s_key_file, s_key_format, 0, pass, engine,
1484 "server certificate private key file");
1485 if (!s_key) {
1486 ERR_print_errors(bio_err);
1487 goto end;
1488 }
1489
1490 s_cert = load_cert(s_cert_file, s_cert_format,
1491 "server certificate file");
1492
1493 if (!s_cert) {
1494 ERR_print_errors(bio_err);
1495 goto end;
1496 }
1497 if (s_chain_file) {
1498 if (!load_certs(s_chain_file, &s_chain, FORMAT_PEM, NULL,
1499 "server certificate chain"))
1500 goto end;
1501 }
1502
1503 if (tlsextcbp.servername) {
1504 s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine,
1505 "second server certificate private key file");
1506 if (!s_key2) {
1507 ERR_print_errors(bio_err);
1508 goto end;
1509 }
1510
1511 s_cert2 = load_cert(s_cert_file2, s_cert_format,
1512 "second server certificate file");
1513
1514 if (!s_cert2) {
1515 ERR_print_errors(bio_err);
1516 goto end;
1517 }
1518 }
1519 }
1520#if !defined(OPENSSL_NO_NEXTPROTONEG)
1521 if (next_proto_neg_in) {
1522 size_t len;
1523 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1524 if (next_proto.data == NULL)
1525 goto end;
1526 next_proto.len = len;
1527 } else {
1528 next_proto.data = NULL;
1529 }
1530#endif
1531 alpn_ctx.data = NULL;
1532 if (alpn_in) {
1533 size_t len;
1534 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1535 if (alpn_ctx.data == NULL)
1536 goto end;
1537 alpn_ctx.len = len;
1538 }
1539
1540 if (crl_file) {
1541 X509_CRL *crl;
1542 crl = load_crl(crl_file, crl_format);
1543 if (!crl) {
1544 BIO_puts(bio_err, "Error loading CRL\n");
1545 ERR_print_errors(bio_err);
1546 goto end;
1547 }
1548 crls = sk_X509_CRL_new_null();
1549 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1550 BIO_puts(bio_err, "Error adding CRL\n");
1551 ERR_print_errors(bio_err);
1552 X509_CRL_free(crl);
1553 goto end;
1554 }
1555 }
1556
1557 if (s_dcert_file) {
1558
1559 if (s_dkey_file == NULL)
1560 s_dkey_file = s_dcert_file;
1561
1562 s_dkey = load_key(s_dkey_file, s_dkey_format,
1563 0, dpass, engine, "second certificate private key file");
1564 if (!s_dkey) {
1565 ERR_print_errors(bio_err);
1566 goto end;
1567 }
1568
1569 s_dcert = load_cert(s_dcert_file, s_dcert_format,
1570 "second server certificate file");
1571
1572 if (!s_dcert) {
1573 ERR_print_errors(bio_err);
1574 goto end;
1575 }
1576 if (s_dchain_file) {
1577 if (!load_certs(s_dchain_file, &s_dchain, FORMAT_PEM, NULL,
1578 "second server certificate chain"))
1579 goto end;
1580 }
1581
1582 }
1583
1584 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1585 && !RAND_status()) {
1586 BIO_printf(bio_err,
1587 "warning, not much extra random data, consider using the -rand option\n");
1588 }
1589 if (inrand != NULL)
1590 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1591 app_RAND_load_files(inrand));
1592
1593 if (bio_s_out == NULL) {
1594 if (s_quiet && !s_debug) {
1595 bio_s_out = BIO_new(BIO_s_null());
1596 if (s_msg && !bio_s_msg)
1597 bio_s_msg = dup_bio_out(FORMAT_TEXT);
1598 } else {
1599 if (bio_s_out == NULL)
1600 bio_s_out = dup_bio_out(FORMAT_TEXT);
1601 }
1602 }
1603#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
1604 if (nocert)
1605#endif
1606 {
1607 s_cert_file = NULL;
1608 s_key_file = NULL;
1609 s_dcert_file = NULL;
1610 s_dkey_file = NULL;
1611 s_cert_file2 = NULL;
1612 s_key_file2 = NULL;
1613 }
1614
1615 ctx = SSL_CTX_new(meth);
1616 if (ctx == NULL) {
1617 ERR_print_errors(bio_err);
1618 goto end;
1619 }
1620 if (sdebug)
1621 ssl_ctx_security_debug(ctx, sdebug);
1622 if (ssl_config) {
1623 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1624 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1625 ssl_config);
1626 ERR_print_errors(bio_err);
1627 goto end;
1628 }
1629 }
1630 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1631 goto end;
1632 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1633 goto end;
1634
1635 if (session_id_prefix) {
1636 if (strlen(session_id_prefix) >= 32)
1637 BIO_printf(bio_err,
1638 "warning: id_prefix is too long, only one new session will be possible\n");
1639 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1640 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1641 ERR_print_errors(bio_err);
1642 goto end;
1643 }
1644 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1645 }
1646 SSL_CTX_set_quiet_shutdown(ctx, 1);
1647 if (exc)
1648 ssl_ctx_set_excert(ctx, exc);
1649
1650 if (state)
1651 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1652 if (no_cache)
1653 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1654 else if (ext_cache)
1655 init_session_cache_ctx(ctx);
1656 else
1657 SSL_CTX_sess_set_cache_size(ctx, 128);
1658
1659 if (async) {
1660 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1661 }
1662 if (split_send_fragment > 0) {
1663 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1664 }
1665 if (max_pipelines > 0) {
1666 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1667 }
1668
1669 if (read_buf_len > 0) {
1670 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1671 }
1672#ifndef OPENSSL_NO_SRTP
1673 if (srtp_profiles != NULL) {
1674 /* Returns 0 on success! */
1675 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1676 BIO_printf(bio_err, "Error setting SRTP profile\n");
1677 ERR_print_errors(bio_err);
1678 goto end;
1679 }
1680 }
1681#endif
1682
1683 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1684 ERR_print_errors(bio_err);
1685 goto end;
1686 }
1687 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1688 BIO_printf(bio_err, "Error setting verify params\n");
1689 ERR_print_errors(bio_err);
1690 goto end;
1691 }
1692
1693 ssl_ctx_add_crls(ctx, crls, 0);
1694 if (!config_ctx(cctx, ssl_args, ctx))
1695 goto end;
1696
1697 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1698 crls, crl_download)) {
1699 BIO_printf(bio_err, "Error loading store locations\n");
1700 ERR_print_errors(bio_err);
1701 goto end;
1702 }
1703
1704 if (s_cert2) {
1705 ctx2 = SSL_CTX_new(meth);
1706 if (ctx2 == NULL) {
1707 ERR_print_errors(bio_err);
1708 goto end;
1709 }
1710 }
1711
1712 if (ctx2) {
1713 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1714
1715 if (sdebug)
1716 ssl_ctx_security_debug(ctx, sdebug);
1717
1718 if (session_id_prefix) {
1719 if (strlen(session_id_prefix) >= 32)
1720 BIO_printf(bio_err,
1721 "warning: id_prefix is too long, only one new session will be possible\n");
1722 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1723 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1724 ERR_print_errors(bio_err);
1725 goto end;
1726 }
1727 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1728 }
1729 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1730 if (exc)
1731 ssl_ctx_set_excert(ctx2, exc);
1732
1733 if (state)
1734 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1735
1736 if (no_cache)
1737 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1738 else if (ext_cache)
1739 init_session_cache_ctx(ctx2);
1740 else
1741 SSL_CTX_sess_set_cache_size(ctx2, 128);
1742
1743 if (async)
1744 SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC);
1745
1746 if (!ctx_set_verify_locations(ctx2, CAfile, CApath, noCAfile,
1747 noCApath)) {
1748 ERR_print_errors(bio_err);
1749 goto end;
1750 }
1751 if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) {
1752 BIO_printf(bio_err, "Error setting verify params\n");
1753 ERR_print_errors(bio_err);
1754 goto end;
1755 }
1756
1757 ssl_ctx_add_crls(ctx2, crls, 0);
1758 if (!config_ctx(cctx, ssl_args, ctx2))
1759 goto end;
1760 }
1761#ifndef OPENSSL_NO_NEXTPROTONEG
1762 if (next_proto.data)
1763 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb,
1764 &next_proto);
1765#endif
1766 if (alpn_ctx.data)
1767 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1768
1769#ifndef OPENSSL_NO_DH
1770 if (!no_dhe) {
1771 DH *dh = NULL;
1772
1773 if (dhfile)
1774 dh = load_dh_param(dhfile);
1775 else if (s_cert_file)
1776 dh = load_dh_param(s_cert_file);
1777
1778 if (dh != NULL) {
1779 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1780 } else {
1781 BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1782 }
1783 (void)BIO_flush(bio_s_out);
1784
1785 if (dh == NULL)
1786 SSL_CTX_set_dh_auto(ctx, 1);
1787 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1788 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1789 ERR_print_errors(bio_err);
1790 DH_free(dh);
1791 goto end;
1792 }
1793
1794 if (ctx2) {
1795 if (!dhfile) {
1796 DH *dh2 = load_dh_param(s_cert_file2);
1797 if (dh2 != NULL) {
1798 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1799 (void)BIO_flush(bio_s_out);
1800
1801 DH_free(dh);
1802 dh = dh2;
1803 }
1804 }
1805 if (dh == NULL)
1806 SSL_CTX_set_dh_auto(ctx2, 1);
1807 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1808 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1809 ERR_print_errors(bio_err);
1810 DH_free(dh);
1811 goto end;
1812 }
1813 }
1814 DH_free(dh);
1815 }
1816#endif
1817
1818 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1819 goto end;
1820
1821 if (s_serverinfo_file != NULL
1822 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) {
1823 ERR_print_errors(bio_err);
1824 goto end;
1825 }
1826
1827 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain))
1828 goto end;
1829
1830 if (s_dcert != NULL) {
1831 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1832 goto end;
1833 }
1834
1835 if (no_resume_ephemeral) {
1836 SSL_CTX_set_not_resumable_session_callback(ctx,
1837 not_resumable_sess_cb);
1838
1839 if (ctx2)
1840 SSL_CTX_set_not_resumable_session_callback(ctx2,
1841 not_resumable_sess_cb);
1842 }
1843#ifndef OPENSSL_NO_PSK
1844 if (psk_key != NULL) {
1845 if (s_debug)
1846 BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1847 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1848 }
1849
1850 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) {
1851 BIO_printf(bio_err, "error setting PSK identity hint to context\n");
1852 ERR_print_errors(bio_err);
1853 goto end;
1854 }
1855#endif
1856
1857 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1858 if (!SSL_CTX_set_session_id_context(ctx,
1859 (void *)&s_server_session_id_context,
1860 sizeof s_server_session_id_context)) {
1861 BIO_printf(bio_err, "error setting session id context\n");
1862 ERR_print_errors(bio_err);
1863 goto end;
1864 }
1865
1866 /* Set DTLS cookie generation and verification callbacks */
1867 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1868 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1869
1870 if (ctx2) {
1871 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1872 if (!SSL_CTX_set_session_id_context(ctx2,
1873 (void *)&s_server_session_id_context,
1874 sizeof s_server_session_id_context)) {
1875 BIO_printf(bio_err, "error setting session id context\n");
1876 ERR_print_errors(bio_err);
1877 goto end;
1878 }
1879 tlsextcbp.biodebug = bio_s_out;
1880 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1881 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1882 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1883 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1884 }
1885
1886#ifndef OPENSSL_NO_SRP
1887 if (srp_verifier_file != NULL) {
1888 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1889 srp_callback_parm.user = NULL;
1890 srp_callback_parm.login = NULL;
1891 if ((ret =
1892 SRP_VBASE_init(srp_callback_parm.vb,
1893 srp_verifier_file)) != SRP_NO_ERROR) {
1894 BIO_printf(bio_err,
1895 "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1896 srp_verifier_file, ret);
1897 goto end;
1898 }
1899 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback);
1900 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1901 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1902 } else
1903#endif
1904 if (CAfile != NULL) {
1905 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1906
1907 if (ctx2)
1908 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1909 }
1910#ifndef OPENSSL_NO_OCSP
1911 if (s_tlsextstatus) {
1912 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1913 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1914 if (ctx2) {
1915 SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb);
1916 SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp);
1917 }
1918 }
1919#endif
1920
1921 BIO_printf(bio_s_out, "ACCEPT\n");
1922 (void)BIO_flush(bio_s_out);
1923 if (rev)
1924 server_cb = rev_body;
1925 else if (www)
1926 server_cb = www_body;
1927 else
1928 server_cb = sv_body;
1929#ifdef AF_UNIX
1930 if (socket_family == AF_UNIX
1931 && unlink_unix_path)
1932 unlink(host);
1933#endif
1934 do_server(&accept_socket, host, port, socket_family, socket_type,
1935 server_cb, context, naccept);
1936 print_stats(bio_s_out, ctx);
1937 ret = 0;
1938 end:
1939 SSL_CTX_free(ctx);
1940 X509_free(s_cert);
1941 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1942 X509_free(s_dcert);
1943 EVP_PKEY_free(s_key);
1944 EVP_PKEY_free(s_dkey);
1945 sk_X509_pop_free(s_chain, X509_free);
1946 sk_X509_pop_free(s_dchain, X509_free);
1947 OPENSSL_free(pass);
1948 OPENSSL_free(dpass);
1949 OPENSSL_free(host);
1950 OPENSSL_free(port);
1951 X509_VERIFY_PARAM_free(vpm);
1952 free_sessions();
1953 OPENSSL_free(tlscstatp.host);
1954 OPENSSL_free(tlscstatp.port);
1955 OPENSSL_free(tlscstatp.path);
1956 SSL_CTX_free(ctx2);
1957 X509_free(s_cert2);
1958 EVP_PKEY_free(s_key2);
1959#ifndef OPENSSL_NO_NEXTPROTONEG
1960 OPENSSL_free(next_proto.data);
1961#endif
1962 OPENSSL_free(alpn_ctx.data);
1963 ssl_excert_free(exc);
1964 sk_OPENSSL_STRING_free(ssl_args);
1965 SSL_CONF_CTX_free(cctx);
1966 release_engine(engine);
1967 BIO_free(bio_s_out);
1968 bio_s_out = NULL;
1969 BIO_free(bio_s_msg);
1970 bio_s_msg = NULL;
1971#ifdef CHARSET_EBCDIC
1972 BIO_meth_free(methods_ebcdic);
1973#endif
1974 return (ret);
1975}
1976
1977static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1978{
1979 BIO_printf(bio, "%4ld items in the session cache\n",
1980 SSL_CTX_sess_number(ssl_ctx));
1981 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1982 SSL_CTX_sess_connect(ssl_ctx));
1983 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1984 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1985 BIO_printf(bio, "%4ld client connects that finished\n",
1986 SSL_CTX_sess_connect_good(ssl_ctx));
1987 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1988 SSL_CTX_sess_accept(ssl_ctx));
1989 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1990 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1991 BIO_printf(bio, "%4ld server accepts that finished\n",
1992 SSL_CTX_sess_accept_good(ssl_ctx));
1993 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1994 BIO_printf(bio, "%4ld session cache misses\n",
1995 SSL_CTX_sess_misses(ssl_ctx));
1996 BIO_printf(bio, "%4ld session cache timeouts\n",
1997 SSL_CTX_sess_timeouts(ssl_ctx));
1998 BIO_printf(bio, "%4ld callback cache hits\n",
1999 SSL_CTX_sess_cb_hits(ssl_ctx));
2000 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
2001 SSL_CTX_sess_cache_full(ssl_ctx),
2002 SSL_CTX_sess_get_cache_size(ssl_ctx));
2003}
2004
2005static int sv_body(int s, int stype, unsigned char *context)
2006{
2007 char *buf = NULL;
2008 fd_set readfds;
2009 int ret = 1, width;
2010 int k, i;
2011 unsigned long l;
2012 SSL *con = NULL;
2013 BIO *sbio;
2014 struct timeval timeout;
2015#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2016 struct timeval tv;
2017#else
2018 struct timeval *timeoutp;
2019#endif
2020
2021 buf = app_malloc(bufsize, "server buffer");
2022 if (s_nbio) {
2023 if (!BIO_socket_nbio(s, 1))
2024 ERR_print_errors(bio_err);
2025 else if (!s_quiet)
2026 BIO_printf(bio_err, "Turned on non blocking io\n");
2027 }
2028
2029 if (con == NULL) {
2030 con = SSL_new(ctx);
2031
2032 if (s_tlsextdebug) {
2033 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2034 SSL_set_tlsext_debug_arg(con, bio_s_out);
2035 }
2036
2037 if (context
2038 && !SSL_set_session_id_context(con,
2039 context, strlen((char *)context))) {
2040 BIO_printf(bio_err, "Error setting session id context\n");
2041 ret = -1;
2042 goto err;
2043 }
2044 }
2045 if (!SSL_clear(con)) {
2046 BIO_printf(bio_err, "Error clearing SSL connection\n");
2047 ret = -1;
2048 goto err;
2049 }
2050#ifndef OPENSSL_NO_DTLS
2051 if (stype == SOCK_DGRAM) {
2052
2053 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2054
2055 if (enable_timeouts) {
2056 timeout.tv_sec = 0;
2057 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2058 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2059
2060 timeout.tv_sec = 0;
2061 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2062 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2063 }
2064
2065 if (socket_mtu) {
2066 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2067 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2068 DTLS_get_link_min_mtu(con));
2069 ret = -1;
2070 BIO_free(sbio);
2071 goto err;
2072 }
2073 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2074 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2075 BIO_printf(bio_err, "Failed to set MTU\n");
2076 ret = -1;
2077 BIO_free(sbio);
2078 goto err;
2079 }
2080 } else
2081 /* want to do MTU discovery */
2082 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2083
2084 /* turn on cookie exchange */
2085 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2086 } else
2087#endif
2088 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2089
2090 if (s_nbio_test) {
2091 BIO *test;
2092
2093 test = BIO_new(BIO_f_nbio_test());
2094 sbio = BIO_push(test, sbio);
2095 }
2096
2097 SSL_set_bio(con, sbio, sbio);
2098 SSL_set_accept_state(con);
2099 /* SSL_set_fd(con,s); */
2100
2101 if (s_debug) {
2102 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2103 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2104 }
2105 if (s_msg) {
2106#ifndef OPENSSL_NO_SSL_TRACE
2107 if (s_msg == 2)
2108 SSL_set_msg_callback(con, SSL_trace);
2109 else
2110#endif
2111 SSL_set_msg_callback(con, msg_cb);
2112 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2113 }
2114
2115 if (s_tlsextdebug) {
2116 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2117 SSL_set_tlsext_debug_arg(con, bio_s_out);
2118 }
2119
2120 if (fileno_stdin() > s)
2121 width = fileno_stdin() + 1;
2122 else
2123 width = s + 1;
2124 for (;;) {
2125 int read_from_terminal;
2126 int read_from_sslcon;
2127
2128 read_from_terminal = 0;
2129 read_from_sslcon = SSL_has_pending(con)
2130 || (async && SSL_waiting_for_async(con));
2131
2132 if (!read_from_sslcon) {
2133 FD_ZERO(&readfds);
2134#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2135 openssl_fdset(fileno_stdin(), &readfds);
2136#endif
2137 openssl_fdset(s, &readfds);
2138 /*
2139 * Note: under VMS with SOCKETSHR the second parameter is
2140 * currently of type (int *) whereas under other systems it is
2141 * (void *) if you don't have a cast it will choke the compiler:
2142 * if you do have a cast then you can either go for (int *) or
2143 * (void *).
2144 */
2145#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2146 /*
2147 * Under DOS (non-djgpp) and Windows we can't select on stdin:
2148 * only on sockets. As a workaround we timeout the select every
2149 * second and check for any keypress. In a proper Windows
2150 * application we wouldn't do this because it is inefficient.
2151 */
2152 tv.tv_sec = 1;
2153 tv.tv_usec = 0;
2154 i = select(width, (void *)&readfds, NULL, NULL, &tv);
2155 if (has_stdin_waiting())
2156 read_from_terminal = 1;
2157 if ((i < 0) || (!i && !read_from_terminal))
2158 continue;
2159#else
2160 if ((SSL_version(con) == DTLS1_VERSION) &&
2161 DTLSv1_get_timeout(con, &timeout))
2162 timeoutp = &timeout;
2163 else
2164 timeoutp = NULL;
2165
2166 i = select(width, (void *)&readfds, NULL, NULL, timeoutp);
2167
2168 if ((SSL_version(con) == DTLS1_VERSION)
2169 && DTLSv1_handle_timeout(con) > 0) {
2170 BIO_printf(bio_err, "TIMEOUT occurred\n");
2171 }
2172
2173 if (i <= 0)
2174 continue;
2175 if (FD_ISSET(fileno_stdin(), &readfds))
2176 read_from_terminal = 1;
2177#endif
2178 if (FD_ISSET(s, &readfds))
2179 read_from_sslcon = 1;
2180 }
2181 if (read_from_terminal) {
2182 if (s_crlf) {
2183 int j, lf_num;
2184
2185 i = raw_read_stdin(buf, bufsize / 2);
2186 lf_num = 0;
2187 /* both loops are skipped when i <= 0 */
2188 for (j = 0; j < i; j++)
2189 if (buf[j] == '\n')
2190 lf_num++;
2191 for (j = i - 1; j >= 0; j--) {
2192 buf[j + lf_num] = buf[j];
2193 if (buf[j] == '\n') {
2194 lf_num--;
2195 i++;
2196 buf[j + lf_num] = '\r';
2197 }
2198 }
2199 assert(lf_num == 0);
2200 } else
2201 i = raw_read_stdin(buf, bufsize);
2202
2203 if (!s_quiet && !s_brief) {
2204 if ((i <= 0) || (buf[0] == 'Q')) {
2205 BIO_printf(bio_s_out, "DONE\n");
2206 (void)BIO_flush(bio_s_out);
2207 BIO_closesocket(s);
2208 close_accept_socket();
2209 ret = -11;
2210 goto err;
2211 }
2212 if ((i <= 0) || (buf[0] == 'q')) {
2213 BIO_printf(bio_s_out, "DONE\n");
2214 (void)BIO_flush(bio_s_out);
2215 if (SSL_version(con) != DTLS1_VERSION)
2216 BIO_closesocket(s);
2217 /*
2218 * close_accept_socket(); ret= -11;
2219 */
2220 goto err;
2221 }
2222#ifndef OPENSSL_NO_HEARTBEATS
2223 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2224 BIO_printf(bio_err, "HEARTBEATING\n");
2225 SSL_heartbeat(con);
2226 i = 0;
2227 continue;
2228 }
2229#endif
2230 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2231 SSL_renegotiate(con);
2232 i = SSL_do_handshake(con);
2233 printf("SSL_do_handshake -> %d\n", i);
2234 i = 0; /* 13; */
2235 continue;
2236 /*
2237 * strcpy(buf,"server side RE-NEGOTIATE\n");
2238 */
2239 }
2240 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) {
2241 SSL_set_verify(con,
2242 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2243 NULL);
2244 SSL_renegotiate(con);
2245 i = SSL_do_handshake(con);
2246 printf("SSL_do_handshake -> %d\n", i);
2247 i = 0; /* 13; */
2248 continue;
2249 /*
2250 * strcpy(buf,"server side RE-NEGOTIATE asking for client
2251 * cert\n");
2252 */
2253 }
2254 if (buf[0] == 'P') {
2255 static const char *str = "Lets print some clear text\n";
2256 BIO_write(SSL_get_wbio(con), str, strlen(str));
2257 }
2258 if (buf[0] == 'S') {
2259 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
2260 }
2261 }
2262#ifdef CHARSET_EBCDIC
2263 ebcdic2ascii(buf, buf, i);
2264#endif
2265 l = k = 0;
2266 for (;;) {
2267 /* should do a select for the write */
2268#ifdef RENEG
2269 static count = 0;
2270 if (++count == 100) {
2271 count = 0;
2272 SSL_renegotiate(con);
2273 }
2274#endif
2275 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2276#ifndef OPENSSL_NO_SRP
2277 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) {
2278 BIO_printf(bio_s_out, "LOOKUP renego during write\n");
2279 SRP_user_pwd_free(srp_callback_parm.user);
2280 srp_callback_parm.user =
2281 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2282 srp_callback_parm.login);
2283 if (srp_callback_parm.user)
2284 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2285 srp_callback_parm.user->info);
2286 else
2287 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2288 k = SSL_write(con, &(buf[l]), (unsigned int)i);
2289 }
2290#endif
2291 switch (SSL_get_error(con, k)) {
2292 case SSL_ERROR_NONE:
2293 break;
2294 case SSL_ERROR_WANT_ASYNC:
2295 BIO_printf(bio_s_out, "Write BLOCK (Async)\n");
2296 (void)BIO_flush(bio_s_out);
2297 wait_for_async(con);
2298 break;
2299 case SSL_ERROR_WANT_WRITE:
2300 case SSL_ERROR_WANT_READ:
2301 case SSL_ERROR_WANT_X509_LOOKUP:
2302 BIO_printf(bio_s_out, "Write BLOCK\n");
2303 (void)BIO_flush(bio_s_out);
2304 break;
2305 case SSL_ERROR_WANT_ASYNC_JOB:
2306 /*
2307 * This shouldn't ever happen in s_server. Treat as an error
2308 */
2309 case SSL_ERROR_SYSCALL:
2310 case SSL_ERROR_SSL:
2311 BIO_printf(bio_s_out, "ERROR\n");
2312 (void)BIO_flush(bio_s_out);
2313 ERR_print_errors(bio_err);
2314 ret = 1;
2315 goto err;
2316 /* break; */
2317 case SSL_ERROR_ZERO_RETURN:
2318 BIO_printf(bio_s_out, "DONE\n");
2319 (void)BIO_flush(bio_s_out);
2320 ret = 1;
2321 goto err;
2322 }
2323 if (k > 0) {
2324 l += k;
2325 i -= k;
2326 }
2327 if (i <= 0)
2328 break;
2329 }
2330 }
2331 if (read_from_sslcon) {
2332 /*
2333 * init_ssl_connection handles all async events itself so if we're
2334 * waiting for async then we shouldn't go back into
2335 * init_ssl_connection
2336 */
2337 if ((!async || !SSL_waiting_for_async(con))
2338 && !SSL_is_init_finished(con)) {
2339 i = init_ssl_connection(con);
2340
2341 if (i < 0) {
2342 ret = 0;
2343 goto err;
2344 } else if (i == 0) {
2345 ret = 1;
2346 goto err;
2347 }
2348 } else {
2349 again:
2350 i = SSL_read(con, (char *)buf, bufsize);
2351#ifndef OPENSSL_NO_SRP
2352 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2353 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2354 SRP_user_pwd_free(srp_callback_parm.user);
2355 srp_callback_parm.user =
2356 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2357 srp_callback_parm.login);
2358 if (srp_callback_parm.user)
2359 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2360 srp_callback_parm.user->info);
2361 else
2362 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2363 i = SSL_read(con, (char *)buf, bufsize);
2364 }
2365#endif
2366 switch (SSL_get_error(con, i)) {
2367 case SSL_ERROR_NONE:
2368#ifdef CHARSET_EBCDIC
2369 ascii2ebcdic(buf, buf, i);
2370#endif
2371 raw_write_stdout(buf, (unsigned int)i);
2372 (void)BIO_flush(bio_s_out);
2373 if (SSL_has_pending(con))
2374 goto again;
2375 break;
2376 case SSL_ERROR_WANT_ASYNC:
2377 BIO_printf(bio_s_out, "Read BLOCK (Async)\n");
2378 (void)BIO_flush(bio_s_out);
2379 wait_for_async(con);
2380 break;
2381 case SSL_ERROR_WANT_WRITE:
2382 case SSL_ERROR_WANT_READ:
2383 BIO_printf(bio_s_out, "Read BLOCK\n");
2384 (void)BIO_flush(bio_s_out);
2385 break;
2386 case SSL_ERROR_WANT_ASYNC_JOB:
2387 /*
2388 * This shouldn't ever happen in s_server. Treat as an error
2389 */
2390 case SSL_ERROR_SYSCALL:
2391 case SSL_ERROR_SSL:
2392 BIO_printf(bio_s_out, "ERROR\n");
2393 (void)BIO_flush(bio_s_out);
2394 ERR_print_errors(bio_err);
2395 ret = 1;
2396 goto err;
2397 case SSL_ERROR_ZERO_RETURN:
2398 BIO_printf(bio_s_out, "DONE\n");
2399 (void)BIO_flush(bio_s_out);
2400 ret = 1;
2401 goto err;
2402 }
2403 }
2404 }
2405 }
2406 err:
2407 if (con != NULL) {
2408 BIO_printf(bio_s_out, "shutting down SSL\n");
2409 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2410 SSL_free(con);
2411 }
2412 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
2413 OPENSSL_clear_free(buf, bufsize);
2414 if (ret >= 0)
2415 BIO_printf(bio_s_out, "ACCEPT\n");
2416 (void)BIO_flush(bio_s_out);
2417 return (ret);
2418}
2419
2420static void close_accept_socket(void)
2421{
2422 BIO_printf(bio_err, "shutdown accept socket\n");
2423 if (accept_socket >= 0) {
2424 BIO_closesocket(accept_socket);
2425 }
2426}
2427
2428static int init_ssl_connection(SSL *con)
2429{
2430 int i;
2431 const char *str;
2432 X509 *peer;
2433 long verify_err;
2434 char buf[BUFSIZ];
2435#if !defined(OPENSSL_NO_NEXTPROTONEG)
2436 const unsigned char *next_proto_neg;
2437 unsigned next_proto_neg_len;
2438#endif
2439 unsigned char *exportedkeymat;
2440 int retry = 0;
2441
2442#ifndef OPENSSL_NO_DTLS
2443 if (dtlslisten) {
2444 BIO_ADDR *client = NULL;
2445
2446 if ((client = BIO_ADDR_new()) == NULL) {
2447 BIO_printf(bio_err, "ERROR - memory\n");
2448 return 0;
2449 }
2450 i = DTLSv1_listen(con, client);
2451 if (i > 0) {
2452 BIO *wbio;
2453 int fd = -1;
2454
2455 wbio = SSL_get_wbio(con);
2456 if (wbio) {
2457 BIO_get_fd(wbio, &fd);
2458 }
2459
2460 if (!wbio || BIO_connect(fd, client, 0) == 0) {
2461 BIO_printf(bio_err, "ERROR - unable to connect\n");
2462 BIO_ADDR_free(client);
2463 return 0;
2464 }
2465 BIO_ADDR_free(client);
2466 dtlslisten = 0;
2467 i = SSL_accept(con);
2468 } else {
2469 BIO_ADDR_free(client);
2470 }
2471 } else
2472#endif
2473
2474 do {
2475 i = SSL_accept(con);
2476
2477 if (i <= 0)
2478 retry = BIO_sock_should_retry(i);
2479#ifdef CERT_CB_TEST_RETRY
2480 {
2481 while (i <= 0
2482 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP
2483 && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) {
2484 BIO_printf(bio_err,
2485 "LOOKUP from certificate callback during accept\n");
2486 i = SSL_accept(con);
2487 if (i <= 0)
2488 retry = BIO_sock_should_retry(i);
2489 }
2490 }
2491#endif
2492
2493#ifndef OPENSSL_NO_SRP
2494 while (i <= 0
2495 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) {
2496 BIO_printf(bio_s_out, "LOOKUP during accept %s\n",
2497 srp_callback_parm.login);
2498 SRP_user_pwd_free(srp_callback_parm.user);
2499 srp_callback_parm.user =
2500 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2501 srp_callback_parm.login);
2502 if (srp_callback_parm.user)
2503 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2504 srp_callback_parm.user->info);
2505 else
2506 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2507 i = SSL_accept(con);
2508 if (i <= 0)
2509 retry = BIO_sock_should_retry(i);
2510 }
2511#endif
2512 } while (i < 0 && SSL_waiting_for_async(con));
2513
2514 if (i <= 0) {
2515 if ((dtlslisten && i == 0)
2516 || (!dtlslisten && retry)) {
2517 BIO_printf(bio_s_out, "DELAY\n");
2518 return (1);
2519 }
2520
2521 BIO_printf(bio_err, "ERROR\n");
2522
2523 verify_err = SSL_get_verify_result(con);
2524 if (verify_err != X509_V_OK) {
2525 BIO_printf(bio_err, "verify error:%s\n",
2526 X509_verify_cert_error_string(verify_err));
2527 }
2528 /* Always print any error messages */
2529 ERR_print_errors(bio_err);
2530 return (0);
2531 }
2532
2533 if (s_brief)
2534 print_ssl_summary(con);
2535
2536 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
2537
2538 peer = SSL_get_peer_certificate(con);
2539 if (peer != NULL) {
2540 BIO_printf(bio_s_out, "Client certificate\n");
2541 PEM_write_bio_X509(bio_s_out, peer);
2542 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2543 BIO_printf(bio_s_out, "subject=%s\n", buf);
2544 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2545 BIO_printf(bio_s_out, "issuer=%s\n", buf);
2546 X509_free(peer);
2547 peer = NULL;
2548 }
2549
2550 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
2551 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
2552 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2553 ssl_print_sigalgs(bio_s_out, con);
2554#ifndef OPENSSL_NO_EC
2555 ssl_print_point_formats(bio_s_out, con);
2556 ssl_print_curves(bio_s_out, con, 0);
2557#endif
2558 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
2559
2560#if !defined(OPENSSL_NO_NEXTPROTONEG)
2561 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2562 if (next_proto_neg) {
2563 BIO_printf(bio_s_out, "NEXTPROTO is ");
2564 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2565 BIO_printf(bio_s_out, "\n");
2566 }
2567#endif
2568#ifndef OPENSSL_NO_SRTP
2569 {
2570 SRTP_PROTECTION_PROFILE *srtp_profile
2571 = SSL_get_selected_srtp_profile(con);
2572
2573 if (srtp_profile)
2574 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
2575 srtp_profile->name);
2576 }
2577#endif
2578 if (SSL_session_reused(con))
2579 BIO_printf(bio_s_out, "Reused session-id\n");
2580 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2581 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2582 if (keymatexportlabel != NULL) {
2583 BIO_printf(bio_s_out, "Keying material exporter:\n");
2584 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
2585 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen);
2586 exportedkeymat = app_malloc(keymatexportlen, "export key");
2587 if (!SSL_export_keying_material(con, exportedkeymat,
2588 keymatexportlen,
2589 keymatexportlabel,
2590 strlen(keymatexportlabel),
2591 NULL, 0, 0)) {
2592 BIO_printf(bio_s_out, " Error\n");
2593 } else {
2594 BIO_printf(bio_s_out, " Keying material: ");
2595 for (i = 0; i < keymatexportlen; i++)
2596 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]);
2597 BIO_printf(bio_s_out, "\n");
2598 }
2599 OPENSSL_free(exportedkeymat);
2600 }
2601
2602 (void)BIO_flush(bio_s_out);
2603 return (1);
2604}
2605
2606#ifndef OPENSSL_NO_DH
2607static DH *load_dh_param(const char *dhfile)
2608{
2609 DH *ret = NULL;
2610 BIO *bio;
2611
2612 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
2613 goto err;
2614 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
2615 err:
2616 BIO_free(bio);
2617 return (ret);
2618}
2619#endif
2620
2621static int www_body(int s, int stype, unsigned char *context)
2622{
2623 char *buf = NULL;
2624 int ret = 1;
2625 int i, j, k, dot;
2626 SSL *con;
2627 const SSL_CIPHER *c;
2628 BIO *io, *ssl_bio, *sbio;
2629#ifdef RENEG
2630 int total_bytes = 0;
2631#endif
2632 int width;
2633 fd_set readfds;
2634
2635 /* Set width for a select call if needed */
2636 width = s + 1;
2637
2638 buf = app_malloc(bufsize, "server www buffer");
2639 io = BIO_new(BIO_f_buffer());
2640 ssl_bio = BIO_new(BIO_f_ssl());
2641 if ((io == NULL) || (ssl_bio == NULL))
2642 goto err;
2643
2644 if (s_nbio) {
2645 if (!BIO_socket_nbio(s, 1))
2646 ERR_print_errors(bio_err);
2647 else if (!s_quiet)
2648 BIO_printf(bio_err, "Turned on non blocking io\n");
2649 }
2650
2651 /* lets make the output buffer a reasonable size */
2652 if (!BIO_set_write_buffer_size(io, bufsize))
2653 goto err;
2654
2655 if ((con = SSL_new(ctx)) == NULL)
2656 goto err;
2657
2658 if (s_tlsextdebug) {
2659 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2660 SSL_set_tlsext_debug_arg(con, bio_s_out);
2661 }
2662
2663 if (context
2664 && !SSL_set_session_id_context(con, context,
2665 strlen((char *)context)))
2666 goto err;
2667
2668 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2669 if (s_nbio_test) {
2670 BIO *test;
2671
2672 test = BIO_new(BIO_f_nbio_test());
2673 sbio = BIO_push(test, sbio);
2674 }
2675 SSL_set_bio(con, sbio, sbio);
2676 SSL_set_accept_state(con);
2677
2678 /* SSL_set_fd(con,s); */
2679 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2680 BIO_push(io, ssl_bio);
2681#ifdef CHARSET_EBCDIC
2682 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
2683#endif
2684
2685 if (s_debug) {
2686 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2687 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
2688 }
2689 if (s_msg) {
2690#ifndef OPENSSL_NO_SSL_TRACE
2691 if (s_msg == 2)
2692 SSL_set_msg_callback(con, SSL_trace);
2693 else
2694#endif
2695 SSL_set_msg_callback(con, msg_cb);
2696 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2697 }
2698
2699 for (;;) {
2700 i = BIO_gets(io, buf, bufsize - 1);
2701 if (i < 0) { /* error */
2702 if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
2703 if (!s_quiet)
2704 ERR_print_errors(bio_err);
2705 goto err;
2706 } else {
2707 BIO_printf(bio_s_out, "read R BLOCK\n");
2708#ifndef OPENSSL_NO_SRP
2709 if (BIO_should_io_special(io)
2710 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
2711 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
2712 SRP_user_pwd_free(srp_callback_parm.user);
2713 srp_callback_parm.user =
2714 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
2715 srp_callback_parm.login);
2716 if (srp_callback_parm.user)
2717 BIO_printf(bio_s_out, "LOOKUP done %s\n",
2718 srp_callback_parm.user->info);
2719 else
2720 BIO_printf(bio_s_out, "LOOKUP not successful\n");
2721 continue;
2722 }
2723#endif
2724#if !defined(OPENSSL_SYS_MSDOS)
2725 sleep(1);
2726#endif
2727 continue;
2728 }
2729 } else if (i == 0) { /* end of input */
2730 ret = 1;
2731 goto end;
2732 }
2733
2734 /* else we have data */
2735 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
2736 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
2737 char *p;
2738 X509 *peer = NULL;
2739 STACK_OF(SSL_CIPHER) *sk;
2740 static const char *space = " ";
2741
2742 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
2743 if (strncmp("GET /renegcert", buf, 14) == 0)
2744 SSL_set_verify(con,
2745 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
2746 NULL);
2747 i = SSL_renegotiate(con);
2748 BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
2749 /* Send the HelloRequest */
2750 i = SSL_do_handshake(con);
2751 if (i <= 0) {
2752 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
2753 SSL_get_error(con, i));
2754 ERR_print_errors(bio_err);
2755 goto err;
2756 }
2757 /* Wait for a ClientHello to come back */
2758 FD_ZERO(&readfds);
2759 openssl_fdset(s, &readfds);
2760 i = select(width, (void *)&readfds, NULL, NULL, NULL);
2761 if (i <= 0 || !FD_ISSET(s, &readfds)) {
2762 BIO_printf(bio_s_out,
2763 "Error waiting for client response\n");
2764 ERR_print_errors(bio_err);
2765 goto err;
2766 }
2767 /*
2768 * We're not actually expecting any data here and we ignore
2769 * any that is sent. This is just to force the handshake that
2770 * we're expecting to come from the client. If they haven't
2771 * sent one there's not much we can do.
2772 */
2773 BIO_gets(io, buf, bufsize - 1);
2774 }
2775
2776 BIO_puts(io,
2777 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2778 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2779 BIO_puts(io, "<pre>\n");
2780 /* BIO_puts(io, OpenSSL_version(OPENSSL_VERSION)); */
2781 BIO_puts(io, "\n");
2782 for (i = 0; i < local_argc; i++) {
2783 const char *myp;
2784 for (myp = local_argv[i]; *myp; myp++)
2785 switch (*myp) {
2786 case '<':
2787 BIO_puts(io, "&lt;");
2788 break;
2789 case '>':
2790 BIO_puts(io, "&gt;");
2791 break;
2792 case '&':
2793 BIO_puts(io, "&amp;");
2794 break;
2795 default:
2796 BIO_write(io, myp, 1);
2797 break;
2798 }
2799 BIO_write(io, " ", 1);
2800 }
2801 BIO_puts(io, "\n");
2802
2803 BIO_printf(io,
2804 "Secure Renegotiation IS%s supported\n",
2805 SSL_get_secure_renegotiation_support(con) ?
2806 "" : " NOT");
2807
2808 /*
2809 * The following is evil and should not really be done
2810 */
2811 BIO_printf(io, "Ciphers supported in s_server binary\n");
2812 sk = SSL_get_ciphers(con);
2813 j = sk_SSL_CIPHER_num(sk);
2814 for (i = 0; i < j; i++) {
2815 c = sk_SSL_CIPHER_value(sk, i);
2816 BIO_printf(io, "%-11s:%-25s ",
2817 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2818 if ((((i + 1) % 2) == 0) && (i + 1 != j))
2819 BIO_puts(io, "\n");
2820 }
2821 BIO_puts(io, "\n");
2822 p = SSL_get_shared_ciphers(con, buf, bufsize);
2823 if (p != NULL) {
2824 BIO_printf(io,
2825 "---\nCiphers common between both SSL end points:\n");
2826 j = i = 0;
2827 while (*p) {
2828 if (*p == ':') {
2829 BIO_write(io, space, 26 - j);
2830 i++;
2831 j = 0;
2832 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
2833 } else {
2834 BIO_write(io, p, 1);
2835 j++;
2836 }
2837 p++;
2838 }
2839 BIO_puts(io, "\n");
2840 }
2841 ssl_print_sigalgs(io, con);
2842#ifndef OPENSSL_NO_EC
2843 ssl_print_curves(io, con, 0);
2844#endif
2845 BIO_printf(io, (SSL_session_reused(con)
2846 ? "---\nReused, " : "---\nNew, "));
2847 c = SSL_get_current_cipher(con);
2848 BIO_printf(io, "%s, Cipher is %s\n",
2849 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2850 SSL_SESSION_print(io, SSL_get_session(con));
2851 BIO_printf(io, "---\n");
2852 print_stats(io, SSL_get_SSL_CTX(con));
2853 BIO_printf(io, "---\n");
2854 peer = SSL_get_peer_certificate(con);
2855 if (peer != NULL) {
2856 BIO_printf(io, "Client certificate\n");
2857 X509_print(io, peer);
2858 PEM_write_bio_X509(io, peer);
2859 X509_free(peer);
2860 peer = NULL;
2861 } else
2862 BIO_puts(io, "no client certificate available\n");
2863 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2864 break;
2865 } else if ((www == 2 || www == 3)
2866 && (strncmp("GET /", buf, 5) == 0)) {
2867 BIO *file;
2868 char *p, *e;
2869 static const char *text =
2870 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2871
2872 /* skip the '/' */
2873 p = &(buf[5]);
2874
2875 dot = 1;
2876 for (e = p; *e != '\0'; e++) {
2877 if (e[0] == ' ')
2878 break;
2879
2880 switch (dot) {
2881 case 1:
2882 dot = (e[0] == '.') ? 2 : 0;
2883 break;
2884 case 2:
2885 dot = (e[0] == '.') ? 3 : 0;
2886 break;
2887 case 3:
2888 dot = (e[0] == '/') ? -1 : 0;
2889 break;
2890 }
2891 if (dot == 0)
2892 dot = (e[0] == '/') ? 1 : 0;
2893 }
2894 dot = (dot == 3) || (dot == -1); /* filename contains ".."
2895 * component */
2896
2897 if (*e == '\0') {
2898 BIO_puts(io, text);
2899 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
2900 break;
2901 }
2902 *e = '\0';
2903
2904 if (dot) {
2905 BIO_puts(io, text);
2906 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
2907 break;
2908 }
2909
2910 if (*p == '/') {
2911 BIO_puts(io, text);
2912 BIO_printf(io, "'%s' is an invalid path\r\n", p);
2913 break;
2914 }
2915
2916 /* if a directory, do the index thang */
2917 if (app_isdir(p) > 0) {
2918 BIO_puts(io, text);
2919 BIO_printf(io, "'%s' is a directory\r\n", p);
2920 break;
2921 }
2922
2923 if ((file = BIO_new_file(p, "r")) == NULL) {
2924 BIO_puts(io, text);
2925 BIO_printf(io, "Error opening '%s'\r\n", p);
2926 ERR_print_errors(io);
2927 break;
2928 }
2929
2930 if (!s_quiet)
2931 BIO_printf(bio_err, "FILE:%s\n", p);
2932
2933 if (www == 2) {
2934 i = strlen(p);
2935 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2936 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2937 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2938 BIO_puts(io,
2939 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2940 else
2941 BIO_puts(io,
2942 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2943 }
2944 /* send the file */
2945 for (;;) {
2946 i = BIO_read(file, buf, bufsize);
2947 if (i <= 0)
2948 break;
2949
2950#ifdef RENEG
2951 total_bytes += i;
2952 BIO_printf(bio_err, "%d\n", i);
2953 if (total_bytes > 3 * 1024) {
2954 total_bytes = 0;
2955 BIO_printf(bio_err, "RENEGOTIATE\n");
2956 SSL_renegotiate(con);
2957 }
2958#endif
2959
2960 for (j = 0; j < i;) {
2961#ifdef RENEG
2962 static count = 0;
2963 if (++count == 13) {
2964 SSL_renegotiate(con);
2965 }
2966#endif
2967 k = BIO_write(io, &(buf[j]), i - j);
2968 if (k <= 0) {
2969 if (!BIO_should_retry(io)
2970 && !SSL_waiting_for_async(con))
2971 goto write_error;
2972 else {
2973 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2974 }
2975 } else {
2976 j += k;
2977 }
2978 }
2979 }
2980 write_error:
2981 BIO_free(file);
2982 break;
2983 }
2984 }
2985
2986 for (;;) {
2987 i = (int)BIO_flush(io);
2988 if (i <= 0) {
2989 if (!BIO_should_retry(io))
2990 break;
2991 } else
2992 break;
2993 }
2994 end:
2995 /* make sure we re-use sessions */
2996 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2997
2998 err:
2999 if (ret >= 0)
3000 BIO_printf(bio_s_out, "ACCEPT\n");
3001 OPENSSL_free(buf);
3002 BIO_free_all(io);
3003 return (ret);
3004}
3005
3006static int rev_body(int s, int stype, unsigned char *context)
3007{
3008 char *buf = NULL;
3009 int i;
3010 int ret = 1;
3011 SSL *con;
3012 BIO *io, *ssl_bio, *sbio;
3013
3014 buf = app_malloc(bufsize, "server rev buffer");
3015 io = BIO_new(BIO_f_buffer());
3016 ssl_bio = BIO_new(BIO_f_ssl());
3017 if ((io == NULL) || (ssl_bio == NULL))
3018 goto err;
3019
3020 /* lets make the output buffer a reasonable size */
3021 if (!BIO_set_write_buffer_size(io, bufsize))
3022 goto err;
3023
3024 if ((con = SSL_new(ctx)) == NULL)
3025 goto err;
3026
3027 if (s_tlsextdebug) {
3028 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3029 SSL_set_tlsext_debug_arg(con, bio_s_out);
3030 }
3031 if (context
3032 && !SSL_set_session_id_context(con, context,
3033 strlen((char *)context))) {
3034 ERR_print_errors(bio_err);
3035 goto err;
3036 }
3037
3038 sbio = BIO_new_socket(s, BIO_NOCLOSE);
3039 SSL_set_bio(con, sbio, sbio);
3040 SSL_set_accept_state(con);
3041
3042 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
3043 BIO_push(io, ssl_bio);
3044#ifdef CHARSET_EBCDIC
3045 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
3046#endif
3047
3048 if (s_debug) {
3049 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
3050 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
3051 }
3052 if (s_msg) {
3053#ifndef OPENSSL_NO_SSL_TRACE
3054 if (s_msg == 2)
3055 SSL_set_msg_callback(con, SSL_trace);
3056 else
3057#endif
3058 SSL_set_msg_callback(con, msg_cb);
3059 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3060 }
3061
3062 for (;;) {
3063 i = BIO_do_handshake(io);
3064 if (i > 0)
3065 break;
3066 if (!BIO_should_retry(io)) {
3067 BIO_puts(bio_err, "CONNECTION FAILURE\n");
3068 ERR_print_errors(bio_err);
3069 goto end;
3070 }
3071#ifndef OPENSSL_NO_SRP
3072 if (BIO_should_io_special(io)
3073 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3074 BIO_printf(bio_s_out, "LOOKUP renego during accept\n");
3075 SRP_user_pwd_free(srp_callback_parm.user);
3076 srp_callback_parm.user =
3077 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3078 srp_callback_parm.login);
3079 if (srp_callback_parm.user)
3080 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3081 srp_callback_parm.user->info);
3082 else
3083 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3084 continue;
3085 }
3086#endif
3087 }
3088 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3089 print_ssl_summary(con);
3090
3091 for (;;) {
3092 i = BIO_gets(io, buf, bufsize - 1);
3093 if (i < 0) { /* error */
3094 if (!BIO_should_retry(io)) {
3095 if (!s_quiet)
3096 ERR_print_errors(bio_err);
3097 goto err;
3098 } else {
3099 BIO_printf(bio_s_out, "read R BLOCK\n");
3100#ifndef OPENSSL_NO_SRP
3101 if (BIO_should_io_special(io)
3102 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
3103 BIO_printf(bio_s_out, "LOOKUP renego during read\n");
3104 SRP_user_pwd_free(srp_callback_parm.user);
3105 srp_callback_parm.user =
3106 SRP_VBASE_get1_by_user(srp_callback_parm.vb,
3107 srp_callback_parm.login);
3108 if (srp_callback_parm.user)
3109 BIO_printf(bio_s_out, "LOOKUP done %s\n",
3110 srp_callback_parm.user->info);
3111 else
3112 BIO_printf(bio_s_out, "LOOKUP not successful\n");
3113 continue;
3114 }
3115#endif
3116#if !defined(OPENSSL_SYS_MSDOS)
3117 sleep(1);
3118#endif
3119 continue;
3120 }
3121 } else if (i == 0) { /* end of input */
3122 ret = 1;
3123 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3124 goto end;
3125 } else {
3126 char *p = buf + i - 1;
3127 while (i && (*p == '\n' || *p == '\r')) {
3128 p--;
3129 i--;
3130 }
3131 if (!s_ign_eof && (i == 5) && (strncmp(buf, "CLOSE", 5) == 0)) {
3132 ret = 1;
3133 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3134 goto end;
3135 }
3136 BUF_reverse((unsigned char *)buf, NULL, i);
3137 buf[i] = '\n';
3138 BIO_write(io, buf, i + 1);
3139 for (;;) {
3140 i = BIO_flush(io);
3141 if (i > 0)
3142 break;
3143 if (!BIO_should_retry(io))
3144 goto end;
3145 }
3146 }
3147 }
3148 end:
3149 /* make sure we re-use sessions */
3150 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
3151
3152 err:
3153
3154 OPENSSL_free(buf);
3155 BIO_free_all(io);
3156 return (ret);
3157}
3158
3159#define MAX_SESSION_ID_ATTEMPTS 10
3160static int generate_session_id(const SSL *ssl, unsigned char *id,
3161 unsigned int *id_len)
3162{
3163 unsigned int count = 0;
3164 do {
3165 if (RAND_bytes(id, *id_len) <= 0)
3166 return 0;
3167 /*
3168 * Prefix the session_id with the required prefix. NB: If our prefix
3169 * is too long, clip it - but there will be worse effects anyway, eg.
3170 * the server could only possibly create 1 session ID (ie. the
3171 * prefix!) so all future session negotiations will fail due to
3172 * conflicts.
3173 */
3174 memcpy(id, session_id_prefix,
3175 (strlen(session_id_prefix) < *id_len) ?
3176 strlen(session_id_prefix) : *id_len);
3177 }
3178 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
3179 (++count < MAX_SESSION_ID_ATTEMPTS));
3180 if (count >= MAX_SESSION_ID_ATTEMPTS)
3181 return 0;
3182 return 1;
3183}
3184
3185/*
3186 * By default s_server uses an in-memory cache which caches SSL_SESSION
3187 * structures without any serialisation. This hides some bugs which only
3188 * become apparent in deployed servers. By implementing a basic external
3189 * session cache some issues can be debugged using s_server.
3190 */
3191
3192typedef struct simple_ssl_session_st {
3193 unsigned char *id;
3194 unsigned int idlen;
3195 unsigned char *der;
3196 int derlen;
3197 struct simple_ssl_session_st *next;
3198} simple_ssl_session;
3199
3200static simple_ssl_session *first = NULL;
3201
3202static int add_session(SSL *ssl, SSL_SESSION *session)
3203{
3204 simple_ssl_session *sess = app_malloc(sizeof(*sess), "get session");
3205 unsigned char *p;
3206
3207 SSL_SESSION_get_id(session, &sess->idlen);
3208 sess->derlen = i2d_SSL_SESSION(session, NULL);
3209 if (sess->derlen < 0) {
3210 BIO_printf(bio_err, "Error encoding session\n");
3211 OPENSSL_free(sess);
3212 return 0;
3213 }
3214
3215 sess->id = OPENSSL_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3216 sess->der = app_malloc(sess->derlen, "get session buffer");
3217 if (!sess->id) {
3218 BIO_printf(bio_err, "Out of memory adding to external cache\n");
3219 OPENSSL_free(sess->id);
3220 OPENSSL_free(sess->der);
3221 OPENSSL_free(sess);
3222 return 0;
3223 }
3224 p = sess->der;
3225
3226 /* Assume it still works. */
3227 if (i2d_SSL_SESSION(session, &p) != sess->derlen) {
3228 BIO_printf(bio_err, "Unexpected session encoding length\n");
3229 OPENSSL_free(sess->id);
3230 OPENSSL_free(sess->der);
3231 OPENSSL_free(sess);
3232 return 0;
3233 }
3234
3235 sess->next = first;
3236 first = sess;
3237 BIO_printf(bio_err, "New session added to external cache\n");
3238 return 0;
3239}
3240
3241static SSL_SESSION *get_session(SSL *ssl, const unsigned char *id, int idlen,
3242 int *do_copy)
3243{
3244 simple_ssl_session *sess;
3245 *do_copy = 0;
3246 for (sess = first; sess; sess = sess->next) {
3247 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) {
3248 const unsigned char *p = sess->der;
3249 BIO_printf(bio_err, "Lookup session: cache hit\n");
3250 return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3251 }
3252 }
3253 BIO_printf(bio_err, "Lookup session: cache miss\n");
3254 return NULL;
3255}
3256
3257static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3258{
3259 simple_ssl_session *sess, *prev = NULL;
3260 const unsigned char *id;
3261 unsigned int idlen;
3262 id = SSL_SESSION_get_id(session, &idlen);
3263 for (sess = first; sess; sess = sess->next) {
3264 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) {
3265 if (prev)
3266 prev->next = sess->next;
3267 else
3268 first = sess->next;
3269 OPENSSL_free(sess->id);
3270 OPENSSL_free(sess->der);
3271 OPENSSL_free(sess);
3272 return;
3273 }
3274 prev = sess;
3275 }
3276}
3277
3278static void init_session_cache_ctx(SSL_CTX *sctx)
3279{
3280 SSL_CTX_set_session_cache_mode(sctx,
3281 SSL_SESS_CACHE_NO_INTERNAL |
3282 SSL_SESS_CACHE_SERVER);
3283 SSL_CTX_sess_set_new_cb(sctx, add_session);
3284 SSL_CTX_sess_set_get_cb(sctx, get_session);
3285 SSL_CTX_sess_set_remove_cb(sctx, del_session);
3286}
3287
3288static void free_sessions(void)
3289{
3290 simple_ssl_session *sess, *tsess;
3291 for (sess = first; sess;) {
3292 OPENSSL_free(sess->id);
3293 OPENSSL_free(sess->der);
3294 tsess = sess;
3295 sess = sess->next;
3296 OPENSSL_free(tsess);
3297 }
3298 first = NULL;
3299}
3300
3301#endif /* OPENSSL_NO_SOCK */
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