1/* apps/s_server.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to.  The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 *    notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 *    notice, this list of conditions and the following disclaimer in the
30 *    documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 *    must display the following acknowledgement:
33 *    "This product includes cryptographic software written by
34 *     Eric Young (eay@cryptsoft.com)"
35 *    The word 'cryptographic' can be left out if the rouines from the library
36 *    being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 *    the apps directory (application code) you must include an acknowledgement:
39 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed.  i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58/* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 *    notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 *    notice, this list of conditions and the following disclaimer in
70 *    the documentation and/or other materials provided with the
71 *    distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 *    software must display the following acknowledgment:
75 *    "This product includes software developed by the OpenSSL Project
76 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 *    endorse or promote products derived from this software without
80 *    prior written permission. For written permission, please contact
81 *    openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 *    nor may "OpenSSL" appear in their names without prior written
85 *    permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 *    acknowledgment:
89 *    "This product includes software developed by the OpenSSL Project
90 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com).  This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111/* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116/* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
118 *
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121 * license.
122 *
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
126 *
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
130 *
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
135 *
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140 * OTHERWISE.
141 */
142
143/* Until the key-gen callbacks are modified to use newer prototypes, we allow
144 * deprecated functions for openssl-internal code */
145#ifdef OPENSSL_NO_DEPRECATED
146#undef OPENSSL_NO_DEPRECATED
147#endif
148
149#include <assert.h>
150#include <ctype.h>
151#include <stdio.h>
152#include <stdlib.h>
153#include <string.h>
154
155#include <openssl/e_os2.h>
156#ifdef OPENSSL_NO_STDIO
157#define APPS_WIN16
158#endif
159
160#if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
161#include <sys/types.h>
162#endif
163
164/* With IPv6, it looks like Digital has mixed up the proper order of
165   recursive header file inclusion, resulting in the compiler complaining
166   that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
167   is needed to have fileno() declared correctly...  So let's define u_int */
168#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
169#define __U_INT
170typedef unsigned int u_int;
171#endif
172
173#include <openssl/lhash.h>
174#include <openssl/bn.h>
175#define USE_SOCKETS
176#include "apps.h"
177#include <openssl/err.h>
178#include <openssl/pem.h>
179#include <openssl/x509.h>
180#include <openssl/ssl.h>
181#include <openssl/rand.h>
182#include <openssl/ocsp.h>
183#ifndef OPENSSL_NO_DH
184#include <openssl/dh.h>
185#endif
186#ifndef OPENSSL_NO_RSA
187#include <openssl/rsa.h>
188#endif
189#ifndef OPENSSL_NO_SRP
190#include <openssl/srp.h>
191#endif
192#include "s_apps.h"
193#include "timeouts.h"
194
195#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
196/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
197#undef FIONBIO
198#endif
199
200#if defined(OPENSSL_SYS_BEOS_R5)
201#include <fcntl.h>
202#endif
203
204#ifndef OPENSSL_NO_RSA
205static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
206#endif
207static int sv_body(char *hostname, int s, unsigned char *context);
208static int www_body(char *hostname, int s, unsigned char *context);
209static void close_accept_socket(void );
210static void sv_usage(void);
211static int init_ssl_connection(SSL *s);
212static void print_stats(BIO *bp,SSL_CTX *ctx);
213static int generate_session_id(const SSL *ssl, unsigned char *id,
214				unsigned int *id_len);
215#ifndef OPENSSL_NO_DH
216static DH *load_dh_param(const char *dhfile);
217static DH *get_dh512(void);
218#endif
219
220#ifdef MONOLITH
221static void s_server_init(void);
222#endif
223
224#ifndef OPENSSL_NO_DH
225static unsigned char dh512_p[]={
226	0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
227	0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
228	0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
229	0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
230	0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
231	0x47,0x74,0xE8,0x33,
232	};
233static unsigned char dh512_g[]={
234	0x02,
235	};
236
237static DH *get_dh512(void)
238	{
239	DH *dh=NULL;
240
241	if ((dh=DH_new()) == NULL) return(NULL);
242	dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
243	dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
244	if ((dh->p == NULL) || (dh->g == NULL))
245		return(NULL);
246	return(dh);
247	}
248#endif
249
250
251/* static int load_CA(SSL_CTX *ctx, char *file);*/
252
253#undef BUFSIZZ
254#define BUFSIZZ	16*1024
255static int bufsize=BUFSIZZ;
256static int accept_socket= -1;
257
258#define TEST_CERT	"server.pem"
259#ifndef OPENSSL_NO_TLSEXT
260#define TEST_CERT2	"server2.pem"
261#endif
262#undef PROG
263#define PROG		s_server_main
264
265extern int verify_depth, verify_return_error;
266
267static char *cipher=NULL;
268static int s_server_verify=SSL_VERIFY_NONE;
269static int s_server_session_id_context = 1; /* anything will do */
270static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
271#ifndef OPENSSL_NO_TLSEXT
272static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
273#endif
274static char *s_dcert_file=NULL,*s_dkey_file=NULL;
275#ifdef FIONBIO
276static int s_nbio=0;
277#endif
278static int s_nbio_test=0;
279int s_crlf=0;
280static SSL_CTX *ctx=NULL;
281#ifndef OPENSSL_NO_TLSEXT
282static SSL_CTX *ctx2=NULL;
283#endif
284static int www=0;
285
286static BIO *bio_s_out=NULL;
287static int s_debug=0;
288#ifndef OPENSSL_NO_TLSEXT
289static int s_tlsextdebug=0;
290static int s_tlsextstatus=0;
291static int cert_status_cb(SSL *s, void *arg);
292#endif
293static int s_msg=0;
294static int s_quiet=0;
295
296static char *keymatexportlabel=NULL;
297static int keymatexportlen=20;
298
299static int hack=0;
300#ifndef OPENSSL_NO_ENGINE
301static char *engine_id=NULL;
302#endif
303static const char *session_id_prefix=NULL;
304
305static int enable_timeouts = 0;
306static long socket_mtu;
307#ifndef OPENSSL_NO_DTLS1
308static int cert_chain = 0;
309#endif
310
311
312#ifndef OPENSSL_NO_PSK
313static char *psk_identity="Client_identity";
314char *psk_key=NULL; /* by default PSK is not used */
315
316static unsigned int psk_server_cb(SSL *ssl, const char *identity,
317	unsigned char *psk, unsigned int max_psk_len)
318	{
319	unsigned int psk_len = 0;
320	int ret;
321	BIGNUM *bn = NULL;
322
323	if (s_debug)
324		BIO_printf(bio_s_out,"psk_server_cb\n");
325	if (!identity)
326		{
327		BIO_printf(bio_err,"Error: client did not send PSK identity\n");
328		goto out_err;
329		}
330	if (s_debug)
331		BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
332			identity ? (int)strlen(identity) : 0, identity);
333
334	/* here we could lookup the given identity e.g. from a database */
335  	if (strcmp(identity, psk_identity) != 0)
336		{
337                BIO_printf(bio_s_out, "PSK error: client identity not found"
338			   " (got '%s' expected '%s')\n", identity,
339			   psk_identity);
340		goto out_err;
341                }
342	if (s_debug)
343		BIO_printf(bio_s_out, "PSK client identity found\n");
344
345	/* convert the PSK key to binary */
346	ret = BN_hex2bn(&bn, psk_key);
347	if (!ret)
348		{
349		BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
350		if (bn)
351			BN_free(bn);
352		return 0;
353		}
354	if (BN_num_bytes(bn) > (int)max_psk_len)
355		{
356		BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
357			max_psk_len, BN_num_bytes(bn));
358		BN_free(bn);
359		return 0;
360		}
361
362	ret = BN_bn2bin(bn, psk);
363	BN_free(bn);
364
365	if (ret < 0)
366		goto out_err;
367	psk_len = (unsigned int)ret;
368
369	if (s_debug)
370		BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
371        return psk_len;
372 out_err:
373	if (s_debug)
374		BIO_printf(bio_err, "Error in PSK server callback\n");
375	return 0;
376        }
377#endif
378
379#ifndef OPENSSL_NO_SRP
380/* This is a context that we pass to callbacks */
381typedef struct srpsrvparm_st
382	{
383	char *login;
384	SRP_VBASE *vb;
385	SRP_user_pwd *user;
386	} srpsrvparm;
387
388/* This callback pretends to require some asynchronous logic in order to obtain
389   a verifier. When the callback is called for a new connection we return
390   with a negative value. This will provoke the accept etc to return with
391   an LOOKUP_X509. The main logic of the reinvokes the suspended call
392   (which would normally occur after a worker has finished) and we
393   set the user parameters.
394*/
395static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
396	{
397	srpsrvparm *p = (srpsrvparm *)arg;
398	if (p->login == NULL && p->user == NULL )
399		{
400		p->login = SSL_get_srp_username(s);
401		BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
402		return (-1) ;
403		}
404
405	if (p->user == NULL)
406		{
407		BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
408		return SSL3_AL_FATAL;
409		}
410	if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
411				     p->user->info) < 0)
412		{
413		*ad = SSL_AD_INTERNAL_ERROR;
414		return SSL3_AL_FATAL;
415		}
416	BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
417	/* need to check whether there are memory leaks */
418	p->user = NULL;
419	p->login = NULL;
420	return SSL_ERROR_NONE;
421	}
422
423#endif
424
425#ifdef MONOLITH
426static void s_server_init(void)
427	{
428	accept_socket=-1;
429	cipher=NULL;
430	s_server_verify=SSL_VERIFY_NONE;
431	s_dcert_file=NULL;
432	s_dkey_file=NULL;
433	s_cert_file=TEST_CERT;
434	s_key_file=NULL;
435#ifndef OPENSSL_NO_TLSEXT
436	s_cert_file2=TEST_CERT2;
437	s_key_file2=NULL;
438	ctx2=NULL;
439#endif
440#ifdef FIONBIO
441	s_nbio=0;
442#endif
443	s_nbio_test=0;
444	ctx=NULL;
445	www=0;
446
447	bio_s_out=NULL;
448	s_debug=0;
449	s_msg=0;
450	s_quiet=0;
451	hack=0;
452#ifndef OPENSSL_NO_ENGINE
453	engine_id=NULL;
454#endif
455	}
456#endif
457
458static void sv_usage(void)
459	{
460	BIO_printf(bio_err,"usage: s_server [args ...]\n");
461	BIO_printf(bio_err,"\n");
462	BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
463	BIO_printf(bio_err," -context arg  - set session ID context\n");
464	BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
465	BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
466	BIO_printf(bio_err," -verify_return_error - return verification errors\n");
467	BIO_printf(bio_err," -cert arg     - certificate file to use\n");
468	BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
469	BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
470	                   "                 The CRL(s) are appended to the certificate file\n");
471	BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
472	                   "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
473	                   "                 the certificate file.\n");
474	BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
475	BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
476	BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
477	BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
478	BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
479	BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
480	BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
481	BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
482	BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
483	BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
484	BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
485	BIO_printf(bio_err,"                 or a default set of parameters is used\n");
486#ifndef OPENSSL_NO_ECDH
487	BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
488	                   "                 Use \"openssl ecparam -list_curves\" for all names\n" \
489	                   "                 (default is nistp256).\n");
490#endif
491#ifdef FIONBIO
492	BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
493#endif
494	BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
495	BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
496	BIO_printf(bio_err," -debug        - Print more output\n");
497	BIO_printf(bio_err," -msg          - Show protocol messages\n");
498	BIO_printf(bio_err," -state        - Print the SSL states\n");
499	BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
500	BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
501	BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
502	BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
503	BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
504	BIO_printf(bio_err," -quiet        - No server output\n");
505	BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
506#ifndef OPENSSL_NO_PSK
507	BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
508	BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
509# ifndef OPENSSL_NO_JPAKE
510	BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
511# endif
512#endif
513#ifndef OPENSSL_NO_SRP
514	BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
515	BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
516#endif
517	BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
518	BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
519	BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
520	BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
521	BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
522	BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
523	BIO_printf(bio_err," -timeout      - Enable timeouts\n");
524	BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
525	BIO_printf(bio_err," -chain        - Read a certificate chain\n");
526	BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
527	BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
528	BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
529	BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
530	BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
531#ifndef OPENSSL_NO_DH
532	BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
533#endif
534#ifndef OPENSSL_NO_ECDH
535	BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
536#endif
537	BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
538	BIO_printf(bio_err," -hack         - workaround for early Netscape code\n");
539	BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
540	BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
541	BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
542        BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
543#ifndef OPENSSL_NO_ENGINE
544	BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
545#endif
546	BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
547	BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
548#ifndef OPENSSL_NO_TLSEXT
549	BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
550	BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
551	BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
552	BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
553	BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
554	BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
555	BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
556	BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
557	BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
558# ifndef OPENSSL_NO_NEXTPROTONEG
559	BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
560# endif
561# ifndef OPENSSL_NO_SRTP
562        BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
563# endif
564#endif
565	BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
566	BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
567	BIO_printf(bio_err," -status           - respond to certificate status requests\n");
568	BIO_printf(bio_err," -status_verbose   - enable status request verbose printout\n");
569	BIO_printf(bio_err," -status_timeout n - status request responder timeout\n");
570	BIO_printf(bio_err," -status_url URL   - status request fallback URL\n");
571	}
572
573static int local_argc=0;
574static char **local_argv;
575
576#ifdef CHARSET_EBCDIC
577static int ebcdic_new(BIO *bi);
578static int ebcdic_free(BIO *a);
579static int ebcdic_read(BIO *b, char *out, int outl);
580static int ebcdic_write(BIO *b, const char *in, int inl);
581static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
582static int ebcdic_gets(BIO *bp, char *buf, int size);
583static int ebcdic_puts(BIO *bp, const char *str);
584
585#define BIO_TYPE_EBCDIC_FILTER	(18|0x0200)
586static BIO_METHOD methods_ebcdic=
587	{
588	BIO_TYPE_EBCDIC_FILTER,
589	"EBCDIC/ASCII filter",
590	ebcdic_write,
591	ebcdic_read,
592	ebcdic_puts,
593	ebcdic_gets,
594	ebcdic_ctrl,
595	ebcdic_new,
596	ebcdic_free,
597	};
598
599typedef struct
600{
601	size_t	alloced;
602	char	buff[1];
603} EBCDIC_OUTBUFF;
604
605BIO_METHOD *BIO_f_ebcdic_filter()
606{
607	return(&methods_ebcdic);
608}
609
610static int ebcdic_new(BIO *bi)
611{
612	EBCDIC_OUTBUFF *wbuf;
613
614	wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
615	wbuf->alloced = 1024;
616	wbuf->buff[0] = '\0';
617
618	bi->ptr=(char *)wbuf;
619	bi->init=1;
620	bi->flags=0;
621	return(1);
622}
623
624static int ebcdic_free(BIO *a)
625{
626	if (a == NULL) return(0);
627	if (a->ptr != NULL)
628		OPENSSL_free(a->ptr);
629	a->ptr=NULL;
630	a->init=0;
631	a->flags=0;
632	return(1);
633}
634
635static int ebcdic_read(BIO *b, char *out, int outl)
636{
637	int ret=0;
638
639	if (out == NULL || outl == 0) return(0);
640	if (b->next_bio == NULL) return(0);
641
642	ret=BIO_read(b->next_bio,out,outl);
643	if (ret > 0)
644		ascii2ebcdic(out,out,ret);
645	return(ret);
646}
647
648static int ebcdic_write(BIO *b, const char *in, int inl)
649{
650	EBCDIC_OUTBUFF *wbuf;
651	int ret=0;
652	int num;
653	unsigned char n;
654
655	if ((in == NULL) || (inl <= 0)) return(0);
656	if (b->next_bio == NULL) return(0);
657
658	wbuf=(EBCDIC_OUTBUFF *)b->ptr;
659
660	if (inl > (num = wbuf->alloced))
661	{
662		num = num + num;  /* double the size */
663		if (num < inl)
664			num = inl;
665		OPENSSL_free(wbuf);
666		wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
667
668		wbuf->alloced = num;
669		wbuf->buff[0] = '\0';
670
671		b->ptr=(char *)wbuf;
672	}
673
674	ebcdic2ascii(wbuf->buff, in, inl);
675
676	ret=BIO_write(b->next_bio, wbuf->buff, inl);
677
678	return(ret);
679}
680
681static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
682{
683	long ret;
684
685	if (b->next_bio == NULL) return(0);
686	switch (cmd)
687	{
688	case BIO_CTRL_DUP:
689		ret=0L;
690		break;
691	default:
692		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
693		break;
694	}
695	return(ret);
696}
697
698static int ebcdic_gets(BIO *bp, char *buf, int size)
699{
700	int i, ret=0;
701	if (bp->next_bio == NULL) return(0);
702/*	return(BIO_gets(bp->next_bio,buf,size));*/
703	for (i=0; i<size-1; ++i)
704	{
705		ret = ebcdic_read(bp,&buf[i],1);
706		if (ret <= 0)
707			break;
708		else if (buf[i] == '\n')
709		{
710			++i;
711			break;
712		}
713	}
714	if (i < size)
715		buf[i] = '\0';
716	return (ret < 0 && i == 0) ? ret : i;
717}
718
719static int ebcdic_puts(BIO *bp, const char *str)
720{
721	if (bp->next_bio == NULL) return(0);
722	return ebcdic_write(bp, str, strlen(str));
723}
724#endif
725
726#ifndef OPENSSL_NO_TLSEXT
727
728/* This is a context that we pass to callbacks */
729typedef struct tlsextctx_st {
730   char * servername;
731   BIO * biodebug;
732   int extension_error;
733} tlsextctx;
734
735
736static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
737	{
738	tlsextctx * p = (tlsextctx *) arg;
739	const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
740        if (servername && p->biodebug)
741		BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
742
743	if (!p->servername)
744		return SSL_TLSEXT_ERR_NOACK;
745
746	if (servername)
747		{
748    		if (strcasecmp(servername,p->servername))
749			return p->extension_error;
750		if (ctx2)
751			{
752			BIO_printf(p->biodebug,"Switching server context.\n");
753			SSL_set_SSL_CTX(s,ctx2);
754			}
755		}
756	return SSL_TLSEXT_ERR_OK;
757}
758
759/* Structure passed to cert status callback */
760
761typedef struct tlsextstatusctx_st {
762   /* Default responder to use */
763   char *host, *path, *port;
764   int use_ssl;
765   int timeout;
766   BIO *err;
767   int verbose;
768} tlsextstatusctx;
769
770static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
771
772/* Certificate Status callback. This is called when a client includes a
773 * certificate status request extension.
774 *
775 * This is a simplified version. It examines certificates each time and
776 * makes one OCSP responder query for each request.
777 *
778 * A full version would store details such as the OCSP certificate IDs and
779 * minimise the number of OCSP responses by caching them until they were
780 * considered "expired".
781 */
782
783static int cert_status_cb(SSL *s, void *arg)
784	{
785	tlsextstatusctx *srctx = arg;
786	BIO *err = srctx->err;
787	char *host, *port, *path;
788	int use_ssl;
789	unsigned char *rspder = NULL;
790	int rspderlen;
791	STACK_OF(OPENSSL_STRING) *aia = NULL;
792	X509 *x = NULL;
793	X509_STORE_CTX inctx;
794	X509_OBJECT obj;
795	OCSP_REQUEST *req = NULL;
796	OCSP_RESPONSE *resp = NULL;
797	OCSP_CERTID *id = NULL;
798	STACK_OF(X509_EXTENSION) *exts;
799	int ret = SSL_TLSEXT_ERR_NOACK;
800	int i;
801#if 0
802STACK_OF(OCSP_RESPID) *ids;
803SSL_get_tlsext_status_ids(s, &ids);
804BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
805#endif
806	if (srctx->verbose)
807		BIO_puts(err, "cert_status: callback called\n");
808	/* Build up OCSP query from server certificate */
809	x = SSL_get_certificate(s);
810	aia = X509_get1_ocsp(x);
811	if (aia)
812		{
813		if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
814			&host, &port, &path, &use_ssl))
815			{
816			BIO_puts(err, "cert_status: can't parse AIA URL\n");
817			goto err;
818			}
819		if (srctx->verbose)
820			BIO_printf(err, "cert_status: AIA URL: %s\n",
821					sk_OPENSSL_STRING_value(aia, 0));
822		}
823	else
824		{
825		if (!srctx->host)
826			{
827			BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
828			goto done;
829			}
830		host = srctx->host;
831		path = srctx->path;
832		port = srctx->port;
833		use_ssl = srctx->use_ssl;
834		}
835
836	if (!X509_STORE_CTX_init(&inctx,
837				SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
838				NULL, NULL))
839		goto err;
840	if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
841				X509_get_issuer_name(x),&obj) <= 0)
842		{
843		BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
844		X509_STORE_CTX_cleanup(&inctx);
845		goto done;
846		}
847	req = OCSP_REQUEST_new();
848	if (!req)
849		goto err;
850	id = OCSP_cert_to_id(NULL, x, obj.data.x509);
851	X509_free(obj.data.x509);
852	X509_STORE_CTX_cleanup(&inctx);
853	if (!id)
854		goto err;
855	if (!OCSP_request_add0_id(req, id))
856		goto err;
857	id = NULL;
858	/* Add any extensions to the request */
859	SSL_get_tlsext_status_exts(s, &exts);
860	for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
861		{
862		X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
863		if (!OCSP_REQUEST_add_ext(req, ext, -1))
864			goto err;
865		}
866	resp = process_responder(err, req, host, path, port, use_ssl, NULL,
867					srctx->timeout);
868	if (!resp)
869		{
870		BIO_puts(err, "cert_status: error querying responder\n");
871		goto done;
872		}
873	rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
874	if (rspderlen <= 0)
875		goto err;
876	SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
877	if (srctx->verbose)
878		{
879		BIO_puts(err, "cert_status: ocsp response sent:\n");
880		OCSP_RESPONSE_print(err, resp, 2);
881		}
882	ret = SSL_TLSEXT_ERR_OK;
883	done:
884	if (ret != SSL_TLSEXT_ERR_OK)
885		ERR_print_errors(err);
886	if (aia)
887		{
888		OPENSSL_free(host);
889		OPENSSL_free(path);
890		OPENSSL_free(port);
891		X509_email_free(aia);
892		}
893	if (id)
894		OCSP_CERTID_free(id);
895	if (req)
896		OCSP_REQUEST_free(req);
897	if (resp)
898		OCSP_RESPONSE_free(resp);
899	return ret;
900	err:
901	ret = SSL_TLSEXT_ERR_ALERT_FATAL;
902	goto done;
903	}
904
905# ifndef OPENSSL_NO_NEXTPROTONEG
906/* This is the context that we pass to next_proto_cb */
907typedef struct tlsextnextprotoctx_st {
908	unsigned char *data;
909	unsigned int len;
910} tlsextnextprotoctx;
911
912static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
913	{
914	tlsextnextprotoctx *next_proto = arg;
915
916	*data = next_proto->data;
917	*len = next_proto->len;
918
919	return SSL_TLSEXT_ERR_OK;
920	}
921# endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
922
923
924#endif
925
926int MAIN(int, char **);
927
928#ifndef OPENSSL_NO_JPAKE
929static char *jpake_secret = NULL;
930#endif
931#ifndef OPENSSL_NO_SRP
932	static srpsrvparm srp_callback_parm;
933#endif
934#ifndef OPENSSL_NO_SRTP
935static char *srtp_profiles = NULL;
936#endif
937
938int MAIN(int argc, char *argv[])
939	{
940	X509_VERIFY_PARAM *vpm = NULL;
941	int badarg = 0;
942	short port=PORT;
943	char *CApath=NULL,*CAfile=NULL;
944	unsigned char *context = NULL;
945	char *dhfile = NULL;
946#ifndef OPENSSL_NO_ECDH
947	char *named_curve = NULL;
948#endif
949	int badop=0,bugs=0;
950	int ret=1;
951	int off=0;
952	int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
953	int state=0;
954	const SSL_METHOD *meth=NULL;
955	int socket_type=SOCK_STREAM;
956	ENGINE *e=NULL;
957	char *inrand=NULL;
958	int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
959	char *passarg = NULL, *pass = NULL;
960	char *dpassarg = NULL, *dpass = NULL;
961	int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
962	X509 *s_cert = NULL, *s_dcert = NULL;
963	EVP_PKEY *s_key = NULL, *s_dkey = NULL;
964	int no_cache = 0;
965#ifndef OPENSSL_NO_TLSEXT
966	EVP_PKEY *s_key2 = NULL;
967	X509 *s_cert2 = NULL;
968        tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
969# ifndef OPENSSL_NO_NEXTPROTONEG
970	const char *next_proto_neg_in = NULL;
971	tlsextnextprotoctx next_proto;
972# endif
973#endif
974#ifndef OPENSSL_NO_PSK
975	/* by default do not send a PSK identity hint */
976	static char *psk_identity_hint=NULL;
977#endif
978#ifndef OPENSSL_NO_SRP
979	char *srpuserseed = NULL;
980	char *srp_verifier_file = NULL;
981#endif
982	meth=SSLv23_server_method();
983
984	local_argc=argc;
985	local_argv=argv;
986
987	apps_startup();
988#ifdef MONOLITH
989	s_server_init();
990#endif
991
992	if (bio_err == NULL)
993		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
994
995	if (!load_config(bio_err, NULL))
996		goto end;
997
998	verify_depth=0;
999#ifdef FIONBIO
1000	s_nbio=0;
1001#endif
1002	s_nbio_test=0;
1003
1004	argc--;
1005	argv++;
1006
1007	while (argc >= 1)
1008		{
1009		if	((strcmp(*argv,"-port") == 0) ||
1010			 (strcmp(*argv,"-accept") == 0))
1011			{
1012			if (--argc < 1) goto bad;
1013			if (!extract_port(*(++argv),&port))
1014				goto bad;
1015			}
1016		else if	(strcmp(*argv,"-verify") == 0)
1017			{
1018			s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1019			if (--argc < 1) goto bad;
1020			verify_depth=atoi(*(++argv));
1021			BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1022			}
1023		else if	(strcmp(*argv,"-Verify") == 0)
1024			{
1025			s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1026				SSL_VERIFY_CLIENT_ONCE;
1027			if (--argc < 1) goto bad;
1028			verify_depth=atoi(*(++argv));
1029			BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1030			}
1031		else if	(strcmp(*argv,"-context") == 0)
1032			{
1033			if (--argc < 1) goto bad;
1034			context= (unsigned char *)*(++argv);
1035			}
1036		else if	(strcmp(*argv,"-cert") == 0)
1037			{
1038			if (--argc < 1) goto bad;
1039			s_cert_file= *(++argv);
1040			}
1041		else if	(strcmp(*argv,"-certform") == 0)
1042			{
1043			if (--argc < 1) goto bad;
1044			s_cert_format = str2fmt(*(++argv));
1045			}
1046		else if	(strcmp(*argv,"-key") == 0)
1047			{
1048			if (--argc < 1) goto bad;
1049			s_key_file= *(++argv);
1050			}
1051		else if	(strcmp(*argv,"-keyform") == 0)
1052			{
1053			if (--argc < 1) goto bad;
1054			s_key_format = str2fmt(*(++argv));
1055			}
1056		else if	(strcmp(*argv,"-pass") == 0)
1057			{
1058			if (--argc < 1) goto bad;
1059			passarg = *(++argv);
1060			}
1061		else if	(strcmp(*argv,"-dhparam") == 0)
1062			{
1063			if (--argc < 1) goto bad;
1064			dhfile = *(++argv);
1065			}
1066#ifndef OPENSSL_NO_ECDH
1067		else if	(strcmp(*argv,"-named_curve") == 0)
1068			{
1069			if (--argc < 1) goto bad;
1070			named_curve = *(++argv);
1071			}
1072#endif
1073		else if	(strcmp(*argv,"-dcertform") == 0)
1074			{
1075			if (--argc < 1) goto bad;
1076			s_dcert_format = str2fmt(*(++argv));
1077			}
1078		else if	(strcmp(*argv,"-dcert") == 0)
1079			{
1080			if (--argc < 1) goto bad;
1081			s_dcert_file= *(++argv);
1082			}
1083		else if	(strcmp(*argv,"-dkeyform") == 0)
1084			{
1085			if (--argc < 1) goto bad;
1086			s_dkey_format = str2fmt(*(++argv));
1087			}
1088		else if	(strcmp(*argv,"-dpass") == 0)
1089			{
1090			if (--argc < 1) goto bad;
1091			dpassarg = *(++argv);
1092			}
1093		else if	(strcmp(*argv,"-dkey") == 0)
1094			{
1095			if (--argc < 1) goto bad;
1096			s_dkey_file= *(++argv);
1097			}
1098		else if (strcmp(*argv,"-nocert") == 0)
1099			{
1100			nocert=1;
1101			}
1102		else if	(strcmp(*argv,"-CApath") == 0)
1103			{
1104			if (--argc < 1) goto bad;
1105			CApath= *(++argv);
1106			}
1107		else if (strcmp(*argv,"-no_cache") == 0)
1108			no_cache = 1;
1109		else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1110			{
1111			if (badarg)
1112				goto bad;
1113			continue;
1114			}
1115		else if (strcmp(*argv,"-verify_return_error") == 0)
1116			verify_return_error = 1;
1117		else if	(strcmp(*argv,"-serverpref") == 0)
1118			{ off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1119		else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1120			off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1121		else if	(strcmp(*argv,"-cipher") == 0)
1122			{
1123			if (--argc < 1) goto bad;
1124			cipher= *(++argv);
1125			}
1126		else if	(strcmp(*argv,"-CAfile") == 0)
1127			{
1128			if (--argc < 1) goto bad;
1129			CAfile= *(++argv);
1130			}
1131#ifdef FIONBIO
1132		else if	(strcmp(*argv,"-nbio") == 0)
1133			{ s_nbio=1; }
1134#endif
1135		else if	(strcmp(*argv,"-nbio_test") == 0)
1136			{
1137#ifdef FIONBIO
1138			s_nbio=1;
1139#endif
1140			s_nbio_test=1;
1141			}
1142		else if	(strcmp(*argv,"-debug") == 0)
1143			{ s_debug=1; }
1144#ifndef OPENSSL_NO_TLSEXT
1145		else if	(strcmp(*argv,"-tlsextdebug") == 0)
1146			s_tlsextdebug=1;
1147		else if	(strcmp(*argv,"-status") == 0)
1148			s_tlsextstatus=1;
1149		else if	(strcmp(*argv,"-status_verbose") == 0)
1150			{
1151			s_tlsextstatus=1;
1152			tlscstatp.verbose = 1;
1153			}
1154		else if (!strcmp(*argv, "-status_timeout"))
1155			{
1156			s_tlsextstatus=1;
1157                        if (--argc < 1) goto bad;
1158			tlscstatp.timeout = atoi(*(++argv));
1159			}
1160		else if (!strcmp(*argv, "-status_url"))
1161			{
1162			s_tlsextstatus=1;
1163                        if (--argc < 1) goto bad;
1164			if (!OCSP_parse_url(*(++argv),
1165					&tlscstatp.host,
1166					&tlscstatp.port,
1167					&tlscstatp.path,
1168					&tlscstatp.use_ssl))
1169				{
1170				BIO_printf(bio_err, "Error parsing URL\n");
1171				goto bad;
1172				}
1173			}
1174#endif
1175		else if	(strcmp(*argv,"-msg") == 0)
1176			{ s_msg=1; }
1177		else if	(strcmp(*argv,"-hack") == 0)
1178			{ hack=1; }
1179		else if	(strcmp(*argv,"-state") == 0)
1180			{ state=1; }
1181		else if	(strcmp(*argv,"-crlf") == 0)
1182			{ s_crlf=1; }
1183		else if	(strcmp(*argv,"-quiet") == 0)
1184			{ s_quiet=1; }
1185		else if	(strcmp(*argv,"-bugs") == 0)
1186			{ bugs=1; }
1187		else if	(strcmp(*argv,"-no_tmp_rsa") == 0)
1188			{ no_tmp_rsa=1; }
1189		else if	(strcmp(*argv,"-no_dhe") == 0)
1190			{ no_dhe=1; }
1191		else if	(strcmp(*argv,"-no_ecdhe") == 0)
1192			{ no_ecdhe=1; }
1193#ifndef OPENSSL_NO_PSK
1194                else if (strcmp(*argv,"-psk_hint") == 0)
1195			{
1196                        if (--argc < 1) goto bad;
1197                        psk_identity_hint= *(++argv);
1198                        }
1199                else if (strcmp(*argv,"-psk") == 0)
1200			{
1201			size_t i;
1202
1203			if (--argc < 1) goto bad;
1204			psk_key=*(++argv);
1205			for (i=0; i<strlen(psk_key); i++)
1206				{
1207				if (isxdigit((unsigned char)psk_key[i]))
1208					continue;
1209				BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1210				goto bad;
1211				}
1212			}
1213#endif
1214#ifndef OPENSSL_NO_SRP
1215		else if (strcmp(*argv, "-srpvfile") == 0)
1216			{
1217			if (--argc < 1) goto bad;
1218			srp_verifier_file = *(++argv);
1219			meth = TLSv1_server_method();
1220			}
1221		else if (strcmp(*argv, "-srpuserseed") == 0)
1222			{
1223			if (--argc < 1) goto bad;
1224			srpuserseed = *(++argv);
1225			meth = TLSv1_server_method();
1226			}
1227#endif
1228		else if	(strcmp(*argv,"-www") == 0)
1229			{ www=1; }
1230		else if	(strcmp(*argv,"-WWW") == 0)
1231			{ www=2; }
1232		else if	(strcmp(*argv,"-HTTP") == 0)
1233			{ www=3; }
1234		else if	(strcmp(*argv,"-no_ssl2") == 0)
1235			{ off|=SSL_OP_NO_SSLv2; }
1236		else if	(strcmp(*argv,"-no_ssl3") == 0)
1237			{ off|=SSL_OP_NO_SSLv3; }
1238		else if	(strcmp(*argv,"-no_tls1") == 0)
1239			{ off|=SSL_OP_NO_TLSv1; }
1240		else if	(strcmp(*argv,"-no_tls1_1") == 0)
1241			{ off|=SSL_OP_NO_TLSv1_1; }
1242		else if	(strcmp(*argv,"-no_tls1_2") == 0)
1243			{ off|=SSL_OP_NO_TLSv1_2; }
1244		else if	(strcmp(*argv,"-no_comp") == 0)
1245			{ off|=SSL_OP_NO_COMPRESSION; }
1246#ifndef OPENSSL_NO_TLSEXT
1247		else if	(strcmp(*argv,"-no_ticket") == 0)
1248			{ off|=SSL_OP_NO_TICKET; }
1249#endif
1250#ifndef OPENSSL_NO_SSL2
1251		else if	(strcmp(*argv,"-ssl2") == 0)
1252			{ meth=SSLv2_server_method(); }
1253#endif
1254#ifndef OPENSSL_NO_SSL3
1255		else if	(strcmp(*argv,"-ssl3") == 0)
1256			{ meth=SSLv3_server_method(); }
1257#endif
1258#ifndef OPENSSL_NO_TLS1
1259		else if	(strcmp(*argv,"-tls1") == 0)
1260			{ meth=TLSv1_server_method(); }
1261		else if	(strcmp(*argv,"-tls1_1") == 0)
1262			{ meth=TLSv1_1_server_method(); }
1263		else if	(strcmp(*argv,"-tls1_2") == 0)
1264			{ meth=TLSv1_2_server_method(); }
1265#endif
1266#ifndef OPENSSL_NO_DTLS1
1267		else if	(strcmp(*argv,"-dtls1") == 0)
1268			{
1269			meth=DTLSv1_server_method();
1270			socket_type = SOCK_DGRAM;
1271			}
1272		else if (strcmp(*argv,"-timeout") == 0)
1273			enable_timeouts = 1;
1274		else if (strcmp(*argv,"-mtu") == 0)
1275			{
1276			if (--argc < 1) goto bad;
1277			socket_mtu = atol(*(++argv));
1278			}
1279		else if (strcmp(*argv, "-chain") == 0)
1280			cert_chain = 1;
1281#endif
1282		else if (strcmp(*argv, "-id_prefix") == 0)
1283			{
1284			if (--argc < 1) goto bad;
1285			session_id_prefix = *(++argv);
1286			}
1287#ifndef OPENSSL_NO_ENGINE
1288		else if (strcmp(*argv,"-engine") == 0)
1289			{
1290			if (--argc < 1) goto bad;
1291			engine_id= *(++argv);
1292			}
1293#endif
1294		else if (strcmp(*argv,"-rand") == 0)
1295			{
1296			if (--argc < 1) goto bad;
1297			inrand= *(++argv);
1298			}
1299#ifndef OPENSSL_NO_TLSEXT
1300		else if (strcmp(*argv,"-servername") == 0)
1301			{
1302			if (--argc < 1) goto bad;
1303			tlsextcbp.servername= *(++argv);
1304			}
1305		else if (strcmp(*argv,"-servername_fatal") == 0)
1306			{ tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1307		else if	(strcmp(*argv,"-cert2") == 0)
1308			{
1309			if (--argc < 1) goto bad;
1310			s_cert_file2= *(++argv);
1311			}
1312		else if	(strcmp(*argv,"-key2") == 0)
1313			{
1314			if (--argc < 1) goto bad;
1315			s_key_file2= *(++argv);
1316			}
1317# ifndef OPENSSL_NO_NEXTPROTONEG
1318		else if	(strcmp(*argv,"-nextprotoneg") == 0)
1319			{
1320			if (--argc < 1) goto bad;
1321			next_proto_neg_in = *(++argv);
1322			}
1323# endif
1324#endif
1325#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1326		else if (strcmp(*argv,"-jpake") == 0)
1327			{
1328			if (--argc < 1) goto bad;
1329			jpake_secret = *(++argv);
1330			}
1331#endif
1332#ifndef OPENSSL_NO_SRTP
1333		else if (strcmp(*argv,"-use_srtp") == 0)
1334			{
1335			if (--argc < 1) goto bad;
1336			srtp_profiles = *(++argv);
1337			}
1338#endif
1339		else if (strcmp(*argv,"-keymatexport") == 0)
1340			{
1341			if (--argc < 1) goto bad;
1342			keymatexportlabel= *(++argv);
1343			}
1344		else if (strcmp(*argv,"-keymatexportlen") == 0)
1345			{
1346			if (--argc < 1) goto bad;
1347			keymatexportlen=atoi(*(++argv));
1348			if (keymatexportlen == 0) goto bad;
1349			}
1350		else
1351			{
1352			BIO_printf(bio_err,"unknown option %s\n",*argv);
1353			badop=1;
1354			break;
1355			}
1356		argc--;
1357		argv++;
1358		}
1359	if (badop)
1360		{
1361bad:
1362		sv_usage();
1363		goto end;
1364		}
1365#ifndef OPENSSL_NO_DTLS1
1366	if (www && socket_type == SOCK_DGRAM)
1367		{
1368		BIO_printf(bio_err,
1369				"Can't use -HTTP, -www or -WWW with DTLS\n");
1370		goto end;
1371		}
1372#endif
1373
1374#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1375	if (jpake_secret)
1376		{
1377		if (psk_key)
1378			{
1379			BIO_printf(bio_err,
1380				   "Can't use JPAKE and PSK together\n");
1381			goto end;
1382			}
1383		psk_identity = "JPAKE";
1384		if (cipher)
1385			{
1386			BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1387			goto end;
1388			}
1389		cipher = "PSK";
1390		}
1391
1392#endif
1393
1394	SSL_load_error_strings();
1395	OpenSSL_add_ssl_algorithms();
1396
1397#ifndef OPENSSL_NO_ENGINE
1398        e = setup_engine(bio_err, engine_id, 1);
1399#endif
1400
1401	if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1402		{
1403		BIO_printf(bio_err, "Error getting password\n");
1404		goto end;
1405		}
1406
1407
1408	if (s_key_file == NULL)
1409		s_key_file = s_cert_file;
1410#ifndef OPENSSL_NO_TLSEXT
1411	if (s_key_file2 == NULL)
1412		s_key_file2 = s_cert_file2;
1413#endif
1414
1415	if (nocert == 0)
1416		{
1417		s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1418		       "server certificate private key file");
1419		if (!s_key)
1420			{
1421			ERR_print_errors(bio_err);
1422			goto end;
1423			}
1424
1425		s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1426			NULL, e, "server certificate file");
1427
1428		if (!s_cert)
1429			{
1430			ERR_print_errors(bio_err);
1431			goto end;
1432			}
1433
1434#ifndef OPENSSL_NO_TLSEXT
1435		if (tlsextcbp.servername)
1436			{
1437			s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1438				"second server certificate private key file");
1439			if (!s_key2)
1440				{
1441				ERR_print_errors(bio_err);
1442				goto end;
1443				}
1444
1445			s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1446				NULL, e, "second server certificate file");
1447
1448			if (!s_cert2)
1449				{
1450				ERR_print_errors(bio_err);
1451				goto end;
1452				}
1453			}
1454#endif
1455		}
1456
1457#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1458	if (next_proto_neg_in)
1459		{
1460		unsigned short len;
1461		next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1462		if (next_proto.data == NULL)
1463			goto end;
1464		next_proto.len = len;
1465		}
1466	else
1467		{
1468		next_proto.data = NULL;
1469		}
1470#endif
1471
1472
1473	if (s_dcert_file)
1474		{
1475
1476		if (s_dkey_file == NULL)
1477			s_dkey_file = s_dcert_file;
1478
1479		s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1480				0, dpass, e,
1481			       "second certificate private key file");
1482		if (!s_dkey)
1483			{
1484			ERR_print_errors(bio_err);
1485			goto end;
1486			}
1487
1488		s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1489				NULL, e, "second server certificate file");
1490
1491		if (!s_dcert)
1492			{
1493			ERR_print_errors(bio_err);
1494			goto end;
1495			}
1496
1497		}
1498
1499	if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1500		&& !RAND_status())
1501		{
1502		BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1503		}
1504	if (inrand != NULL)
1505		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1506			app_RAND_load_files(inrand));
1507
1508	if (bio_s_out == NULL)
1509		{
1510		if (s_quiet && !s_debug && !s_msg)
1511			{
1512			bio_s_out=BIO_new(BIO_s_null());
1513			}
1514		else
1515			{
1516			if (bio_s_out == NULL)
1517				bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1518			}
1519		}
1520
1521#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1522	if (nocert)
1523#endif
1524		{
1525		s_cert_file=NULL;
1526		s_key_file=NULL;
1527		s_dcert_file=NULL;
1528		s_dkey_file=NULL;
1529#ifndef OPENSSL_NO_TLSEXT
1530		s_cert_file2=NULL;
1531		s_key_file2=NULL;
1532#endif
1533		}
1534
1535	ctx=SSL_CTX_new(meth);
1536	if (ctx == NULL)
1537		{
1538		ERR_print_errors(bio_err);
1539		goto end;
1540		}
1541	if (session_id_prefix)
1542		{
1543		if(strlen(session_id_prefix) >= 32)
1544			BIO_printf(bio_err,
1545"warning: id_prefix is too long, only one new session will be possible\n");
1546		else if(strlen(session_id_prefix) >= 16)
1547			BIO_printf(bio_err,
1548"warning: id_prefix is too long if you use SSLv2\n");
1549		if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1550			{
1551			BIO_printf(bio_err,"error setting 'id_prefix'\n");
1552			ERR_print_errors(bio_err);
1553			goto end;
1554			}
1555		BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1556		}
1557	SSL_CTX_set_quiet_shutdown(ctx,1);
1558	if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1559	if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1560	SSL_CTX_set_options(ctx,off);
1561	/* DTLS: partial reads end up discarding unread UDP bytes :-(
1562	 * Setting read ahead solves this problem.
1563	 */
1564	if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1565
1566	if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1567	if (no_cache)
1568		SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1569	else
1570		SSL_CTX_sess_set_cache_size(ctx,128);
1571
1572#ifndef OPENSSL_NO_SRTP
1573	if (srtp_profiles != NULL)
1574		SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1575#endif
1576
1577#if 0
1578	if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1579#endif
1580
1581#if 0
1582	if (s_cert_file == NULL)
1583		{
1584		BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1585		goto end;
1586		}
1587#endif
1588
1589	if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1590		(!SSL_CTX_set_default_verify_paths(ctx)))
1591		{
1592		/* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1593		ERR_print_errors(bio_err);
1594		/* goto end; */
1595		}
1596	if (vpm)
1597		SSL_CTX_set1_param(ctx, vpm);
1598
1599#ifndef OPENSSL_NO_TLSEXT
1600	if (s_cert2)
1601		{
1602		ctx2=SSL_CTX_new(meth);
1603		if (ctx2 == NULL)
1604			{
1605			ERR_print_errors(bio_err);
1606			goto end;
1607			}
1608		}
1609
1610	if (ctx2)
1611		{
1612		BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1613
1614		if (session_id_prefix)
1615			{
1616			if(strlen(session_id_prefix) >= 32)
1617				BIO_printf(bio_err,
1618					"warning: id_prefix is too long, only one new session will be possible\n");
1619			else if(strlen(session_id_prefix) >= 16)
1620				BIO_printf(bio_err,
1621					"warning: id_prefix is too long if you use SSLv2\n");
1622			if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1623				{
1624				BIO_printf(bio_err,"error setting 'id_prefix'\n");
1625				ERR_print_errors(bio_err);
1626				goto end;
1627				}
1628			BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1629			}
1630		SSL_CTX_set_quiet_shutdown(ctx2,1);
1631		if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1632		if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1633		SSL_CTX_set_options(ctx2,off);
1634		/* DTLS: partial reads end up discarding unread UDP bytes :-(
1635		 * Setting read ahead solves this problem.
1636		 */
1637		if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1638
1639		if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1640
1641		if (no_cache)
1642			SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1643		else
1644			SSL_CTX_sess_set_cache_size(ctx2,128);
1645
1646		if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1647			(!SSL_CTX_set_default_verify_paths(ctx2)))
1648			{
1649			ERR_print_errors(bio_err);
1650			}
1651		if (vpm)
1652			SSL_CTX_set1_param(ctx2, vpm);
1653		}
1654
1655# ifndef OPENSSL_NO_NEXTPROTONEG
1656	if (next_proto.data)
1657		SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1658# endif
1659#endif
1660
1661#ifndef OPENSSL_NO_DH
1662	if (!no_dhe)
1663		{
1664		DH *dh=NULL;
1665
1666		if (dhfile)
1667			dh = load_dh_param(dhfile);
1668		else if (s_cert_file)
1669			dh = load_dh_param(s_cert_file);
1670
1671		if (dh != NULL)
1672			{
1673			BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1674			}
1675		else
1676			{
1677			BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1678			dh=get_dh512();
1679			}
1680		(void)BIO_flush(bio_s_out);
1681
1682		SSL_CTX_set_tmp_dh(ctx,dh);
1683#ifndef OPENSSL_NO_TLSEXT
1684		if (ctx2)
1685			{
1686			if (!dhfile)
1687				{
1688				DH *dh2=load_dh_param(s_cert_file2);
1689				if (dh2 != NULL)
1690					{
1691					BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1692					(void)BIO_flush(bio_s_out);
1693
1694					DH_free(dh);
1695					dh = dh2;
1696					}
1697				}
1698			SSL_CTX_set_tmp_dh(ctx2,dh);
1699			}
1700#endif
1701		DH_free(dh);
1702		}
1703#endif
1704
1705#ifndef OPENSSL_NO_ECDH
1706	if (!no_ecdhe)
1707		{
1708		EC_KEY *ecdh=NULL;
1709
1710		if (named_curve)
1711			{
1712			int nid = OBJ_sn2nid(named_curve);
1713
1714			if (nid == 0)
1715				{
1716				BIO_printf(bio_err, "unknown curve name (%s)\n",
1717					named_curve);
1718				goto end;
1719				}
1720			ecdh = EC_KEY_new_by_curve_name(nid);
1721			if (ecdh == NULL)
1722				{
1723				BIO_printf(bio_err, "unable to create curve (%s)\n",
1724					named_curve);
1725				goto end;
1726				}
1727			}
1728
1729		if (ecdh != NULL)
1730			{
1731			BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1732			}
1733		else
1734			{
1735			BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1736			ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1737			if (ecdh == NULL)
1738				{
1739				BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1740				goto end;
1741				}
1742			}
1743		(void)BIO_flush(bio_s_out);
1744
1745		SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1746#ifndef OPENSSL_NO_TLSEXT
1747		if (ctx2)
1748			SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1749#endif
1750		EC_KEY_free(ecdh);
1751		}
1752#endif
1753
1754	if (!set_cert_key_stuff(ctx, s_cert, s_key))
1755		goto end;
1756#ifndef OPENSSL_NO_TLSEXT
1757	if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1758		goto end;
1759#endif
1760	if (s_dcert != NULL)
1761		{
1762		if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1763			goto end;
1764		}
1765
1766#ifndef OPENSSL_NO_RSA
1767#if 1
1768	if (!no_tmp_rsa)
1769		{
1770		SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1771#ifndef OPENSSL_NO_TLSEXT
1772		if (ctx2)
1773			SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1774#endif
1775		}
1776#else
1777	if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1778		{
1779		RSA *rsa;
1780
1781		BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1782		BIO_flush(bio_s_out);
1783
1784		rsa=RSA_generate_key(512,RSA_F4,NULL);
1785
1786		if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1787			{
1788			ERR_print_errors(bio_err);
1789			goto end;
1790			}
1791#ifndef OPENSSL_NO_TLSEXT
1792			if (ctx2)
1793				{
1794				if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1795					{
1796					ERR_print_errors(bio_err);
1797					goto end;
1798					}
1799				}
1800#endif
1801		RSA_free(rsa);
1802		BIO_printf(bio_s_out,"\n");
1803		}
1804#endif
1805#endif
1806
1807#ifndef OPENSSL_NO_PSK
1808#ifdef OPENSSL_NO_JPAKE
1809	if (psk_key != NULL)
1810#else
1811	if (psk_key != NULL || jpake_secret)
1812#endif
1813		{
1814		if (s_debug)
1815			BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1816		SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1817		}
1818
1819	if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1820		{
1821		BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1822		ERR_print_errors(bio_err);
1823		goto end;
1824		}
1825#endif
1826
1827	if (cipher != NULL)
1828		{
1829		if(!SSL_CTX_set_cipher_list(ctx,cipher))
1830			{
1831			BIO_printf(bio_err,"error setting cipher list\n");
1832			ERR_print_errors(bio_err);
1833			goto end;
1834			}
1835#ifndef OPENSSL_NO_TLSEXT
1836		if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1837			{
1838			BIO_printf(bio_err,"error setting cipher list\n");
1839			ERR_print_errors(bio_err);
1840			goto end;
1841			}
1842#endif
1843		}
1844	SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1845	SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1846		sizeof s_server_session_id_context);
1847
1848	/* Set DTLS cookie generation and verification callbacks */
1849	SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1850	SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1851
1852#ifndef OPENSSL_NO_TLSEXT
1853	if (ctx2)
1854		{
1855		SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1856		SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1857			sizeof s_server_session_id_context);
1858
1859		tlsextcbp.biodebug = bio_s_out;
1860		SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1861		SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1862		SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1863		SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1864		}
1865#endif
1866
1867#ifndef OPENSSL_NO_SRP
1868	if (srp_verifier_file != NULL)
1869		{
1870		srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1871		srp_callback_parm.user = NULL;
1872		srp_callback_parm.login = NULL;
1873		if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1874			{
1875			BIO_printf(bio_err,
1876				   "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1877				   srp_verifier_file, ret);
1878				goto end;
1879			}
1880		SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1881		SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1882		SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1883		}
1884	else
1885#endif
1886	if (CAfile != NULL)
1887		{
1888		SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1889#ifndef OPENSSL_NO_TLSEXT
1890		if (ctx2)
1891			SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1892#endif
1893		}
1894
1895	BIO_printf(bio_s_out,"ACCEPT\n");
1896	(void)BIO_flush(bio_s_out);
1897	if (www)
1898		do_server(port,socket_type,&accept_socket,www_body, context);
1899	else
1900		do_server(port,socket_type,&accept_socket,sv_body, context);
1901	print_stats(bio_s_out,ctx);
1902	ret=0;
1903end:
1904	if (ctx != NULL) SSL_CTX_free(ctx);
1905	if (s_cert)
1906		X509_free(s_cert);
1907	if (s_dcert)
1908		X509_free(s_dcert);
1909	if (s_key)
1910		EVP_PKEY_free(s_key);
1911	if (s_dkey)
1912		EVP_PKEY_free(s_dkey);
1913	if (pass)
1914		OPENSSL_free(pass);
1915	if (dpass)
1916		OPENSSL_free(dpass);
1917	if (vpm)
1918		X509_VERIFY_PARAM_free(vpm);
1919#ifndef OPENSSL_NO_TLSEXT
1920	if (tlscstatp.host)
1921		OPENSSL_free(tlscstatp.host);
1922	if (tlscstatp.port)
1923		OPENSSL_free(tlscstatp.port);
1924	if (tlscstatp.path)
1925		OPENSSL_free(tlscstatp.path);
1926	if (ctx2 != NULL) SSL_CTX_free(ctx2);
1927	if (s_cert2)
1928		X509_free(s_cert2);
1929	if (s_key2)
1930		EVP_PKEY_free(s_key2);
1931#endif
1932	if (bio_s_out != NULL)
1933		{
1934        BIO_free(bio_s_out);
1935		bio_s_out=NULL;
1936		}
1937	apps_shutdown();
1938	OPENSSL_EXIT(ret);
1939	}
1940
1941static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1942	{
1943	BIO_printf(bio,"%4ld items in the session cache\n",
1944		SSL_CTX_sess_number(ssl_ctx));
1945	BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1946		SSL_CTX_sess_connect(ssl_ctx));
1947	BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1948		SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1949	BIO_printf(bio,"%4ld client connects that finished\n",
1950		SSL_CTX_sess_connect_good(ssl_ctx));
1951	BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1952		SSL_CTX_sess_accept(ssl_ctx));
1953	BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1954		SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1955	BIO_printf(bio,"%4ld server accepts that finished\n",
1956		SSL_CTX_sess_accept_good(ssl_ctx));
1957	BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1958	BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1959	BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1960	BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1961	BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1962		SSL_CTX_sess_cache_full(ssl_ctx),
1963		SSL_CTX_sess_get_cache_size(ssl_ctx));
1964	}
1965
1966static int sv_body(char *hostname, int s, unsigned char *context)
1967	{
1968	char *buf=NULL;
1969	fd_set readfds;
1970	int ret=1,width;
1971	int k,i;
1972	unsigned long l;
1973	SSL *con=NULL;
1974	BIO *sbio;
1975#ifndef OPENSSL_NO_KRB5
1976	KSSL_CTX *kctx;
1977#endif
1978	struct timeval timeout;
1979#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1980	struct timeval tv;
1981#else
1982	struct timeval *timeoutp;
1983#endif
1984
1985	if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1986		{
1987		BIO_printf(bio_err,"out of memory\n");
1988		goto err;
1989		}
1990#ifdef FIONBIO
1991	if (s_nbio)
1992		{
1993		unsigned long sl=1;
1994
1995		if (!s_quiet)
1996			BIO_printf(bio_err,"turning on non blocking io\n");
1997		if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1998			ERR_print_errors(bio_err);
1999		}
2000#endif
2001
2002	if (con == NULL) {
2003		con=SSL_new(ctx);
2004#ifndef OPENSSL_NO_TLSEXT
2005	if (s_tlsextdebug)
2006		{
2007		SSL_set_tlsext_debug_callback(con, tlsext_cb);
2008		SSL_set_tlsext_debug_arg(con, bio_s_out);
2009		}
2010	if (s_tlsextstatus)
2011		{
2012		SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2013		tlscstatp.err = bio_err;
2014		SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2015		}
2016#endif
2017#ifndef OPENSSL_NO_KRB5
2018		if ((kctx = kssl_ctx_new()) != NULL)
2019                        {
2020			SSL_set0_kssl_ctx(con, kctx);
2021                        kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2022                        kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2023                        }
2024#endif	/* OPENSSL_NO_KRB5 */
2025		if(context)
2026		      SSL_set_session_id_context(con, context,
2027						 strlen((char *)context));
2028	}
2029	SSL_clear(con);
2030#if 0
2031#ifdef TLSEXT_TYPE_opaque_prf_input
2032	SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2033#endif
2034#endif
2035
2036	if (SSL_version(con) == DTLS1_VERSION)
2037		{
2038
2039		sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2040
2041		if (enable_timeouts)
2042			{
2043			timeout.tv_sec = 0;
2044			timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2045			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2046
2047			timeout.tv_sec = 0;
2048			timeout.tv_usec = DGRAM_SND_TIMEOUT;
2049			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2050			}
2051
2052		if (socket_mtu > 28)
2053			{
2054			SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2055			SSL_set_mtu(con, socket_mtu - 28);
2056			}
2057		else
2058			/* want to do MTU discovery */
2059			BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2060
2061        /* turn on cookie exchange */
2062        SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2063		}
2064	else
2065		sbio=BIO_new_socket(s,BIO_NOCLOSE);
2066
2067	if (s_nbio_test)
2068		{
2069		BIO *test;
2070
2071		test=BIO_new(BIO_f_nbio_test());
2072		sbio=BIO_push(test,sbio);
2073		}
2074#ifndef OPENSSL_NO_JPAKE
2075	if(jpake_secret)
2076		jpake_server_auth(bio_s_out, sbio, jpake_secret);
2077#endif
2078
2079	SSL_set_bio(con,sbio,sbio);
2080	SSL_set_accept_state(con);
2081	/* SSL_set_fd(con,s); */
2082
2083	if (s_debug)
2084		{
2085		SSL_set_debug(con, 1);
2086		BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2087		BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2088		}
2089	if (s_msg)
2090		{
2091		SSL_set_msg_callback(con, msg_cb);
2092		SSL_set_msg_callback_arg(con, bio_s_out);
2093		}
2094#ifndef OPENSSL_NO_TLSEXT
2095	if (s_tlsextdebug)
2096		{
2097		SSL_set_tlsext_debug_callback(con, tlsext_cb);
2098		SSL_set_tlsext_debug_arg(con, bio_s_out);
2099		}
2100#endif
2101
2102	width=s+1;
2103	for (;;)
2104		{
2105		int read_from_terminal;
2106		int read_from_sslcon;
2107
2108		read_from_terminal = 0;
2109		read_from_sslcon = SSL_pending(con);
2110
2111		if (!read_from_sslcon)
2112			{
2113			FD_ZERO(&readfds);
2114#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2115			openssl_fdset(fileno(stdin),&readfds);
2116#endif
2117			openssl_fdset(s,&readfds);
2118			/* Note: under VMS with SOCKETSHR the second parameter is
2119			 * currently of type (int *) whereas under other systems
2120			 * it is (void *) if you don't have a cast it will choke
2121			 * the compiler: if you do have a cast then you can either
2122			 * go for (int *) or (void *).
2123			 */
2124#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2125                        /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2126			 * on sockets. As a workaround we timeout the select every
2127			 * second and check for any keypress. In a proper Windows
2128			 * application we wouldn't do this because it is inefficient.
2129			 */
2130			tv.tv_sec = 1;
2131			tv.tv_usec = 0;
2132			i=select(width,(void *)&readfds,NULL,NULL,&tv);
2133			if((i < 0) || (!i && !_kbhit() ) )continue;
2134			if(_kbhit())
2135				read_from_terminal = 1;
2136#elif defined(OPENSSL_SYS_BEOS_R5)
2137			/* Under BeOS-R5 the situation is similar to DOS */
2138			tv.tv_sec = 1;
2139			tv.tv_usec = 0;
2140			(void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2141			i=select(width,(void *)&readfds,NULL,NULL,&tv);
2142			if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2143				continue;
2144			if (read(fileno(stdin), buf, 0) >= 0)
2145				read_from_terminal = 1;
2146			(void)fcntl(fileno(stdin), F_SETFL, 0);
2147#else
2148			if ((SSL_version(con) == DTLS1_VERSION) &&
2149				DTLSv1_get_timeout(con, &timeout))
2150				timeoutp = &timeout;
2151			else
2152				timeoutp = NULL;
2153
2154			i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2155
2156			if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2157				{
2158				BIO_printf(bio_err,"TIMEOUT occured\n");
2159				}
2160
2161			if (i <= 0) continue;
2162			if (FD_ISSET(fileno(stdin),&readfds))
2163				read_from_terminal = 1;
2164#endif
2165			if (FD_ISSET(s,&readfds))
2166				read_from_sslcon = 1;
2167			}
2168		if (read_from_terminal)
2169			{
2170			if (s_crlf)
2171				{
2172				int j, lf_num;
2173
2174				i=raw_read_stdin(buf, bufsize/2);
2175				lf_num = 0;
2176				/* both loops are skipped when i <= 0 */
2177				for (j = 0; j < i; j++)
2178					if (buf[j] == '\n')
2179						lf_num++;
2180				for (j = i-1; j >= 0; j--)
2181					{
2182					buf[j+lf_num] = buf[j];
2183					if (buf[j] == '\n')
2184						{
2185						lf_num--;
2186						i++;
2187						buf[j+lf_num] = '\r';
2188						}
2189					}
2190				assert(lf_num == 0);
2191				}
2192			else
2193				i=raw_read_stdin(buf,bufsize);
2194			if (!s_quiet)
2195				{
2196				if ((i <= 0) || (buf[0] == 'Q'))
2197					{
2198					BIO_printf(bio_s_out,"DONE\n");
2199					SHUTDOWN(s);
2200					close_accept_socket();
2201					ret= -11;
2202					goto err;
2203					}
2204				if ((i <= 0) || (buf[0] == 'q'))
2205					{
2206					BIO_printf(bio_s_out,"DONE\n");
2207					if (SSL_version(con) != DTLS1_VERSION)
2208                        SHUTDOWN(s);
2209	/*				close_accept_socket();
2210					ret= -11;*/
2211					goto err;
2212					}
2213
2214#ifndef OPENSSL_NO_HEARTBEATS
2215				if ((buf[0] == 'B') &&
2216					((buf[1] == '\n') || (buf[1] == '\r')))
2217					{
2218					BIO_printf(bio_err,"HEARTBEATING\n");
2219					SSL_heartbeat(con);
2220					i=0;
2221					continue;
2222					}
2223#endif
2224				if ((buf[0] == 'r') &&
2225					((buf[1] == '\n') || (buf[1] == '\r')))
2226					{
2227					SSL_renegotiate(con);
2228					i=SSL_do_handshake(con);
2229					printf("SSL_do_handshake -> %d\n",i);
2230					i=0; /*13; */
2231					continue;
2232					/* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2233					}
2234				if ((buf[0] == 'R') &&
2235					((buf[1] == '\n') || (buf[1] == '\r')))
2236					{
2237					SSL_set_verify(con,
2238						SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2239					SSL_renegotiate(con);
2240					i=SSL_do_handshake(con);
2241					printf("SSL_do_handshake -> %d\n",i);
2242					i=0; /* 13; */
2243					continue;
2244					/* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2245					}
2246				if (buf[0] == 'P')
2247					{
2248					static const char *str="Lets print some clear text\n";
2249					BIO_write(SSL_get_wbio(con),str,strlen(str));
2250					}
2251				if (buf[0] == 'S')
2252					{
2253					print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2254					}
2255				}
2256#ifdef CHARSET_EBCDIC
2257			ebcdic2ascii(buf,buf,i);
2258#endif
2259			l=k=0;
2260			for (;;)
2261				{
2262				/* should do a select for the write */
2263#ifdef RENEG
2264{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2265#endif
2266				k=SSL_write(con,&(buf[l]),(unsigned int)i);
2267#ifndef OPENSSL_NO_SRP
2268				while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2269					{
2270					BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2271					srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2272					if (srp_callback_parm.user)
2273						BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2274					else
2275						BIO_printf(bio_s_out,"LOOKUP not successful\n");
2276						k=SSL_write(con,&(buf[l]),(unsigned int)i);
2277					}
2278#endif
2279				switch (SSL_get_error(con,k))
2280					{
2281				case SSL_ERROR_NONE:
2282					break;
2283				case SSL_ERROR_WANT_WRITE:
2284				case SSL_ERROR_WANT_READ:
2285				case SSL_ERROR_WANT_X509_LOOKUP:
2286					BIO_printf(bio_s_out,"Write BLOCK\n");
2287					break;
2288				case SSL_ERROR_SYSCALL:
2289				case SSL_ERROR_SSL:
2290					BIO_printf(bio_s_out,"ERROR\n");
2291					ERR_print_errors(bio_err);
2292					ret=1;
2293					goto err;
2294					/* break; */
2295				case SSL_ERROR_ZERO_RETURN:
2296					BIO_printf(bio_s_out,"DONE\n");
2297					ret=1;
2298					goto err;
2299					}
2300				l+=k;
2301				i-=k;
2302				if (i <= 0) break;
2303				}
2304			}
2305		if (read_from_sslcon)
2306			{
2307			if (!SSL_is_init_finished(con))
2308				{
2309				i=init_ssl_connection(con);
2310
2311				if (i < 0)
2312					{
2313					ret=0;
2314					goto err;
2315					}
2316				else if (i == 0)
2317					{
2318					ret=1;
2319					goto err;
2320					}
2321				}
2322			else
2323				{
2324again:
2325				i=SSL_read(con,(char *)buf,bufsize);
2326#ifndef OPENSSL_NO_SRP
2327				while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2328					{
2329					BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2330					srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2331					if (srp_callback_parm.user)
2332						BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2333					else
2334						BIO_printf(bio_s_out,"LOOKUP not successful\n");
2335					i=SSL_read(con,(char *)buf,bufsize);
2336					}
2337#endif
2338				switch (SSL_get_error(con,i))
2339					{
2340				case SSL_ERROR_NONE:
2341#ifdef CHARSET_EBCDIC
2342					ascii2ebcdic(buf,buf,i);
2343#endif
2344					raw_write_stdout(buf,
2345						(unsigned int)i);
2346					if (SSL_pending(con)) goto again;
2347					break;
2348				case SSL_ERROR_WANT_WRITE:
2349				case SSL_ERROR_WANT_READ:
2350					BIO_printf(bio_s_out,"Read BLOCK\n");
2351					break;
2352				case SSL_ERROR_SYSCALL:
2353				case SSL_ERROR_SSL:
2354					BIO_printf(bio_s_out,"ERROR\n");
2355					ERR_print_errors(bio_err);
2356					ret=1;
2357					goto err;
2358				case SSL_ERROR_ZERO_RETURN:
2359					BIO_printf(bio_s_out,"DONE\n");
2360					ret=1;
2361					goto err;
2362					}
2363				}
2364			}
2365		}
2366err:
2367	if (con != NULL)
2368		{
2369		BIO_printf(bio_s_out,"shutting down SSL\n");
2370#if 1
2371		SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2372#else
2373		SSL_shutdown(con);
2374#endif
2375		SSL_free(con);
2376		}
2377	BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2378	if (buf != NULL)
2379		{
2380		OPENSSL_cleanse(buf,bufsize);
2381		OPENSSL_free(buf);
2382		}
2383	if (ret >= 0)
2384		BIO_printf(bio_s_out,"ACCEPT\n");
2385	return(ret);
2386	}
2387
2388static void close_accept_socket(void)
2389	{
2390	BIO_printf(bio_err,"shutdown accept socket\n");
2391	if (accept_socket >= 0)
2392		{
2393		SHUTDOWN2(accept_socket);
2394		}
2395	}
2396
2397static int init_ssl_connection(SSL *con)
2398	{
2399	int i;
2400	const char *str;
2401	X509 *peer;
2402	long verify_error;
2403	MS_STATIC char buf[BUFSIZ];
2404#ifndef OPENSSL_NO_KRB5
2405	char *client_princ;
2406#endif
2407#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2408	const unsigned char *next_proto_neg;
2409	unsigned next_proto_neg_len;
2410#endif
2411	unsigned char *exportedkeymat;
2412
2413
2414	i=SSL_accept(con);
2415#ifndef OPENSSL_NO_SRP
2416	while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2417		{
2418			BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2419			srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2420			if (srp_callback_parm.user)
2421				BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2422			else
2423				BIO_printf(bio_s_out,"LOOKUP not successful\n");
2424			i=SSL_accept(con);
2425		}
2426#endif
2427	if (i <= 0)
2428		{
2429		if (BIO_sock_should_retry(i))
2430			{
2431			BIO_printf(bio_s_out,"DELAY\n");
2432			return(1);
2433			}
2434
2435		BIO_printf(bio_err,"ERROR\n");
2436		verify_error=SSL_get_verify_result(con);
2437		if (verify_error != X509_V_OK)
2438			{
2439			BIO_printf(bio_err,"verify error:%s\n",
2440				X509_verify_cert_error_string(verify_error));
2441			}
2442		else
2443			ERR_print_errors(bio_err);
2444		return(0);
2445		}
2446
2447	PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2448
2449	peer=SSL_get_peer_certificate(con);
2450	if (peer != NULL)
2451		{
2452		BIO_printf(bio_s_out,"Client certificate\n");
2453		PEM_write_bio_X509(bio_s_out,peer);
2454		X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2455		BIO_printf(bio_s_out,"subject=%s\n",buf);
2456		X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2457		BIO_printf(bio_s_out,"issuer=%s\n",buf);
2458		X509_free(peer);
2459		}
2460
2461	if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2462		BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2463	str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2464	BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2465
2466#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2467	SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2468	if (next_proto_neg)
2469		{
2470		BIO_printf(bio_s_out,"NEXTPROTO is ");
2471		BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2472		BIO_printf(bio_s_out, "\n");
2473		}
2474#endif
2475#ifndef OPENSSL_NO_SRTP
2476	{
2477	SRTP_PROTECTION_PROFILE *srtp_profile
2478	  = SSL_get_selected_srtp_profile(con);
2479
2480	if(srtp_profile)
2481		BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2482			   srtp_profile->name);
2483	}
2484#endif
2485	if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2486	if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2487		TLS1_FLAGS_TLS_PADDING_BUG)
2488		BIO_printf(bio_s_out,
2489			   "Peer has incorrect TLSv1 block padding\n");
2490#ifndef OPENSSL_NO_KRB5
2491	client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2492	if (client_princ != NULL)
2493		{
2494		BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2495								client_princ);
2496		}
2497#endif /* OPENSSL_NO_KRB5 */
2498	BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2499		      SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2500	if (keymatexportlabel != NULL)
2501		{
2502		BIO_printf(bio_s_out, "Keying material exporter:\n");
2503		BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2504		BIO_printf(bio_s_out, "    Length: %i bytes\n",
2505			   keymatexportlen);
2506		exportedkeymat = OPENSSL_malloc(keymatexportlen);
2507		if (exportedkeymat != NULL)
2508			{
2509			if (!SSL_export_keying_material(con, exportedkeymat,
2510						        keymatexportlen,
2511						        keymatexportlabel,
2512						        strlen(keymatexportlabel),
2513						        NULL, 0, 0))
2514				{
2515				BIO_printf(bio_s_out, "    Error\n");
2516				}
2517			else
2518				{
2519				BIO_printf(bio_s_out, "    Keying material: ");
2520				for (i=0; i<keymatexportlen; i++)
2521					BIO_printf(bio_s_out, "%02X",
2522						   exportedkeymat[i]);
2523				BIO_printf(bio_s_out, "\n");
2524				}
2525			OPENSSL_free(exportedkeymat);
2526			}
2527		}
2528
2529	return(1);
2530	}
2531
2532#ifndef OPENSSL_NO_DH
2533static DH *load_dh_param(const char *dhfile)
2534	{
2535	DH *ret=NULL;
2536	BIO *bio;
2537
2538	if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2539		goto err;
2540	ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2541err:
2542	if (bio != NULL) BIO_free(bio);
2543	return(ret);
2544	}
2545#endif
2546#ifndef OPENSSL_NO_KRB5
2547	char *client_princ;
2548#endif
2549
2550#if 0
2551static int load_CA(SSL_CTX *ctx, char *file)
2552	{
2553	FILE *in;
2554	X509 *x=NULL;
2555
2556	if ((in=fopen(file,"r")) == NULL)
2557		return(0);
2558
2559	for (;;)
2560		{
2561		if (PEM_read_X509(in,&x,NULL) == NULL)
2562			break;
2563		SSL_CTX_add_client_CA(ctx,x);
2564		}
2565	if (x != NULL) X509_free(x);
2566	fclose(in);
2567	return(1);
2568	}
2569#endif
2570
2571static int www_body(char *hostname, int s, unsigned char *context)
2572	{
2573	char *buf=NULL;
2574	int ret=1;
2575	int i,j,k,dot;
2576	SSL *con;
2577	const SSL_CIPHER *c;
2578	BIO *io,*ssl_bio,*sbio;
2579#ifndef OPENSSL_NO_KRB5
2580	KSSL_CTX *kctx;
2581#endif
2582
2583	buf=OPENSSL_malloc(bufsize);
2584	if (buf == NULL) return(0);
2585	io=BIO_new(BIO_f_buffer());
2586	ssl_bio=BIO_new(BIO_f_ssl());
2587	if ((io == NULL) || (ssl_bio == NULL)) goto err;
2588
2589#ifdef FIONBIO
2590	if (s_nbio)
2591		{
2592		unsigned long sl=1;
2593
2594		if (!s_quiet)
2595			BIO_printf(bio_err,"turning on non blocking io\n");
2596		if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2597			ERR_print_errors(bio_err);
2598		}
2599#endif
2600
2601	/* lets make the output buffer a reasonable size */
2602	if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2603
2604	if ((con=SSL_new(ctx)) == NULL) goto err;
2605#ifndef OPENSSL_NO_TLSEXT
2606		if (s_tlsextdebug)
2607			{
2608			SSL_set_tlsext_debug_callback(con, tlsext_cb);
2609			SSL_set_tlsext_debug_arg(con, bio_s_out);
2610			}
2611#endif
2612#ifndef OPENSSL_NO_KRB5
2613	if ((kctx = kssl_ctx_new()) != NULL)
2614		{
2615		kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2616		kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2617		}
2618#endif	/* OPENSSL_NO_KRB5 */
2619	if(context) SSL_set_session_id_context(con, context,
2620					       strlen((char *)context));
2621
2622	sbio=BIO_new_socket(s,BIO_NOCLOSE);
2623	if (s_nbio_test)
2624		{
2625		BIO *test;
2626
2627		test=BIO_new(BIO_f_nbio_test());
2628		sbio=BIO_push(test,sbio);
2629		}
2630	SSL_set_bio(con,sbio,sbio);
2631	SSL_set_accept_state(con);
2632
2633	/* SSL_set_fd(con,s); */
2634	BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2635	BIO_push(io,ssl_bio);
2636#ifdef CHARSET_EBCDIC
2637	io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2638#endif
2639
2640	if (s_debug)
2641		{
2642		SSL_set_debug(con, 1);
2643		BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2644		BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2645		}
2646	if (s_msg)
2647		{
2648		SSL_set_msg_callback(con, msg_cb);
2649		SSL_set_msg_callback_arg(con, bio_s_out);
2650		}
2651
2652	for (;;)
2653		{
2654		if (hack)
2655			{
2656			i=SSL_accept(con);
2657#ifndef OPENSSL_NO_SRP
2658			while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2659		{
2660			BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2661			srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2662			if (srp_callback_parm.user)
2663				BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2664			else
2665				BIO_printf(bio_s_out,"LOOKUP not successful\n");
2666			i=SSL_accept(con);
2667		}
2668#endif
2669			switch (SSL_get_error(con,i))
2670				{
2671			case SSL_ERROR_NONE:
2672				break;
2673			case SSL_ERROR_WANT_WRITE:
2674			case SSL_ERROR_WANT_READ:
2675			case SSL_ERROR_WANT_X509_LOOKUP:
2676				continue;
2677			case SSL_ERROR_SYSCALL:
2678			case SSL_ERROR_SSL:
2679			case SSL_ERROR_ZERO_RETURN:
2680				ret=1;
2681				goto err;
2682				/* break; */
2683				}
2684
2685			SSL_renegotiate(con);
2686			SSL_write(con,NULL,0);
2687			}
2688
2689		i=BIO_gets(io,buf,bufsize-1);
2690		if (i < 0) /* error */
2691			{
2692			if (!BIO_should_retry(io))
2693				{
2694				if (!s_quiet)
2695					ERR_print_errors(bio_err);
2696				goto err;
2697				}
2698			else
2699				{
2700				BIO_printf(bio_s_out,"read R BLOCK\n");
2701#if defined(OPENSSL_SYS_NETWARE)
2702            delay(1000);
2703#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2704				sleep(1);
2705#endif
2706				continue;
2707				}
2708			}
2709		else if (i == 0) /* end of input */
2710			{
2711			ret=1;
2712			goto end;
2713			}
2714
2715		/* else we have data */
2716		if (	((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2717			((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2718			{
2719			char *p;
2720			X509 *peer;
2721			STACK_OF(SSL_CIPHER) *sk;
2722			static const char *space="                          ";
2723
2724			BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2725			BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2726			BIO_puts(io,"<pre>\n");
2727/*			BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2728			BIO_puts(io,"\n");
2729			for (i=0; i<local_argc; i++)
2730				{
2731				BIO_puts(io,local_argv[i]);
2732				BIO_write(io," ",1);
2733				}
2734			BIO_puts(io,"\n");
2735
2736			BIO_printf(io,
2737				"Secure Renegotiation IS%s supported\n",
2738		      		SSL_get_secure_renegotiation_support(con) ?
2739							"" : " NOT");
2740
2741			/* The following is evil and should not really
2742			 * be done */
2743			BIO_printf(io,"Ciphers supported in s_server binary\n");
2744			sk=SSL_get_ciphers(con);
2745			j=sk_SSL_CIPHER_num(sk);
2746			for (i=0; i<j; i++)
2747				{
2748				c=sk_SSL_CIPHER_value(sk,i);
2749				BIO_printf(io,"%-11s:%-25s",
2750					SSL_CIPHER_get_version(c),
2751					SSL_CIPHER_get_name(c));
2752				if ((((i+1)%2) == 0) && (i+1 != j))
2753					BIO_puts(io,"\n");
2754				}
2755			BIO_puts(io,"\n");
2756			p=SSL_get_shared_ciphers(con,buf,bufsize);
2757			if (p != NULL)
2758				{
2759				BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2760				j=i=0;
2761				while (*p)
2762					{
2763					if (*p == ':')
2764						{
2765						BIO_write(io,space,26-j);
2766						i++;
2767						j=0;
2768						BIO_write(io,((i%3)?" ":"\n"),1);
2769						}
2770					else
2771						{
2772						BIO_write(io,p,1);
2773						j++;
2774						}
2775					p++;
2776					}
2777				BIO_puts(io,"\n");
2778				}
2779			BIO_printf(io,(SSL_cache_hit(con)
2780				?"---\nReused, "
2781				:"---\nNew, "));
2782			c=SSL_get_current_cipher(con);
2783			BIO_printf(io,"%s, Cipher is %s\n",
2784				SSL_CIPHER_get_version(c),
2785				SSL_CIPHER_get_name(c));
2786			SSL_SESSION_print(io,SSL_get_session(con));
2787			BIO_printf(io,"---\n");
2788			print_stats(io,SSL_get_SSL_CTX(con));
2789			BIO_printf(io,"---\n");
2790			peer=SSL_get_peer_certificate(con);
2791			if (peer != NULL)
2792				{
2793				BIO_printf(io,"Client certificate\n");
2794				X509_print(io,peer);
2795				PEM_write_bio_X509(io,peer);
2796				}
2797			else
2798				BIO_puts(io,"no client certificate available\n");
2799			BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2800			break;
2801			}
2802		else if ((www == 2 || www == 3)
2803                         && (strncmp("GET /",buf,5) == 0))
2804			{
2805			BIO *file;
2806			char *p,*e;
2807			static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2808
2809			/* skip the '/' */
2810			p= &(buf[5]);
2811
2812			dot = 1;
2813			for (e=p; *e != '\0'; e++)
2814				{
2815				if (e[0] == ' ')
2816					break;
2817
2818				switch (dot)
2819					{
2820				case 1:
2821					dot = (e[0] == '.') ? 2 : 0;
2822					break;
2823				case 2:
2824					dot = (e[0] == '.') ? 3 : 0;
2825					break;
2826				case 3:
2827					dot = (e[0] == '/') ? -1 : 0;
2828					break;
2829					}
2830				if (dot == 0)
2831					dot = (e[0] == '/') ? 1 : 0;
2832				}
2833			dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2834
2835			if (*e == '\0')
2836				{
2837				BIO_puts(io,text);
2838				BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2839				break;
2840				}
2841			*e='\0';
2842
2843			if (dot)
2844				{
2845				BIO_puts(io,text);
2846				BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2847				break;
2848				}
2849
2850			if (*p == '/')
2851				{
2852				BIO_puts(io,text);
2853				BIO_printf(io,"'%s' is an invalid path\r\n",p);
2854				break;
2855				}
2856
2857#if 0
2858			/* append if a directory lookup */
2859			if (e[-1] == '/')
2860				strcat(p,"index.html");
2861#endif
2862
2863			/* if a directory, do the index thang */
2864			if (app_isdir(p)>0)
2865				{
2866#if 0 /* must check buffer size */
2867				strcat(p,"/index.html");
2868#else
2869				BIO_puts(io,text);
2870				BIO_printf(io,"'%s' is a directory\r\n",p);
2871				break;
2872#endif
2873				}
2874
2875			if ((file=BIO_new_file(p,"r")) == NULL)
2876				{
2877				BIO_puts(io,text);
2878				BIO_printf(io,"Error opening '%s'\r\n",p);
2879				ERR_print_errors(io);
2880				break;
2881				}
2882
2883			if (!s_quiet)
2884				BIO_printf(bio_err,"FILE:%s\n",p);
2885
2886                        if (www == 2)
2887                                {
2888                                i=strlen(p);
2889                                if (	((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2890                                        ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2891                                        ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2892                                        BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2893                                else
2894                                        BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2895                                }
2896			/* send the file */
2897			for (;;)
2898				{
2899				i=BIO_read(file,buf,bufsize);
2900				if (i <= 0) break;
2901
2902#ifdef RENEG
2903				total_bytes+=i;
2904				fprintf(stderr,"%d\n",i);
2905				if (total_bytes > 3*1024)
2906					{
2907					total_bytes=0;
2908					fprintf(stderr,"RENEGOTIATE\n");
2909					SSL_renegotiate(con);
2910					}
2911#endif
2912
2913				for (j=0; j<i; )
2914					{
2915#ifdef RENEG
2916{ static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2917#endif
2918					k=BIO_write(io,&(buf[j]),i-j);
2919					if (k <= 0)
2920						{
2921						if (!BIO_should_retry(io))
2922							goto write_error;
2923						else
2924							{
2925							BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2926							}
2927						}
2928					else
2929						{
2930						j+=k;
2931						}
2932					}
2933				}
2934write_error:
2935			BIO_free(file);
2936			break;
2937			}
2938		}
2939
2940	for (;;)
2941		{
2942		i=(int)BIO_flush(io);
2943		if (i <= 0)
2944			{
2945			if (!BIO_should_retry(io))
2946				break;
2947			}
2948		else
2949			break;
2950		}
2951end:
2952#if 1
2953	/* make sure we re-use sessions */
2954	SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2955#else
2956	/* This kills performance */
2957/*	SSL_shutdown(con); A shutdown gets sent in the
2958 *	BIO_free_all(io) procession */
2959#endif
2960
2961err:
2962
2963	if (ret >= 0)
2964		BIO_printf(bio_s_out,"ACCEPT\n");
2965
2966	if (buf != NULL) OPENSSL_free(buf);
2967	if (io != NULL) BIO_free_all(io);
2968/*	if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2969	return(ret);
2970	}
2971
2972#ifndef OPENSSL_NO_RSA
2973static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2974	{
2975	BIGNUM *bn = NULL;
2976	static RSA *rsa_tmp=NULL;
2977
2978	if (!rsa_tmp && ((bn = BN_new()) == NULL))
2979		BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2980	if (!rsa_tmp && bn)
2981		{
2982		if (!s_quiet)
2983			{
2984			BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2985			(void)BIO_flush(bio_err);
2986			}
2987		if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2988				!RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2989			{
2990			if(rsa_tmp) RSA_free(rsa_tmp);
2991			rsa_tmp = NULL;
2992			}
2993		if (!s_quiet)
2994			{
2995			BIO_printf(bio_err,"\n");
2996			(void)BIO_flush(bio_err);
2997			}
2998		BN_free(bn);
2999		}
3000	return(rsa_tmp);
3001	}
3002#endif
3003
3004#define MAX_SESSION_ID_ATTEMPTS 10
3005static int generate_session_id(const SSL *ssl, unsigned char *id,
3006				unsigned int *id_len)
3007	{
3008	unsigned int count = 0;
3009	do	{
3010		RAND_pseudo_bytes(id, *id_len);
3011		/* Prefix the session_id with the required prefix. NB: If our
3012		 * prefix is too long, clip it - but there will be worse effects
3013		 * anyway, eg. the server could only possibly create 1 session
3014		 * ID (ie. the prefix!) so all future session negotiations will
3015		 * fail due to conflicts. */
3016		memcpy(id, session_id_prefix,
3017			(strlen(session_id_prefix) < *id_len) ?
3018			strlen(session_id_prefix) : *id_len);
3019		}
3020	while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3021		(++count < MAX_SESSION_ID_ATTEMPTS));
3022	if(count >= MAX_SESSION_ID_ATTEMPTS)
3023		return 0;
3024	return 1;
3025	}
3026