s_server.c revision 279264
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#ifndef OPENSSL_NO_SSL3_METHOD
519	BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
520#endif
521	BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
522	BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
523	BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
524	BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
525	BIO_printf(bio_err," -timeout      - Enable timeouts\n");
526	BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
527	BIO_printf(bio_err," -chain        - Read a certificate chain\n");
528	BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
529	BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
530	BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
531	BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
532	BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
533#ifndef OPENSSL_NO_DH
534	BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
535#endif
536#ifndef OPENSSL_NO_ECDH
537	BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
538#endif
539	BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
540	BIO_printf(bio_err," -hack         - workaround for early Netscape code\n");
541	BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
542	BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
543	BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
544        BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
545#ifndef OPENSSL_NO_ENGINE
546	BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
547#endif
548	BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
549	BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
550#ifndef OPENSSL_NO_TLSEXT
551	BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
552	BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
553	BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
554	BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
555	BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
556	BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
557	BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
558	BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
559	BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
560# ifndef OPENSSL_NO_NEXTPROTONEG
561	BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
562# endif
563# ifndef OPENSSL_NO_SRTP
564        BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
565# endif
566#endif
567	BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
568	BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
569	BIO_printf(bio_err," -status           - respond to certificate status requests\n");
570	BIO_printf(bio_err," -status_verbose   - enable status request verbose printout\n");
571	BIO_printf(bio_err," -status_timeout n - status request responder timeout\n");
572	BIO_printf(bio_err," -status_url URL   - status request fallback URL\n");
573	}
574
575static int local_argc=0;
576static char **local_argv;
577
578#ifdef CHARSET_EBCDIC
579static int ebcdic_new(BIO *bi);
580static int ebcdic_free(BIO *a);
581static int ebcdic_read(BIO *b, char *out, int outl);
582static int ebcdic_write(BIO *b, const char *in, int inl);
583static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
584static int ebcdic_gets(BIO *bp, char *buf, int size);
585static int ebcdic_puts(BIO *bp, const char *str);
586
587#define BIO_TYPE_EBCDIC_FILTER	(18|0x0200)
588static BIO_METHOD methods_ebcdic=
589	{
590	BIO_TYPE_EBCDIC_FILTER,
591	"EBCDIC/ASCII filter",
592	ebcdic_write,
593	ebcdic_read,
594	ebcdic_puts,
595	ebcdic_gets,
596	ebcdic_ctrl,
597	ebcdic_new,
598	ebcdic_free,
599	};
600
601typedef struct
602{
603	size_t	alloced;
604	char	buff[1];
605} EBCDIC_OUTBUFF;
606
607BIO_METHOD *BIO_f_ebcdic_filter()
608{
609	return(&methods_ebcdic);
610}
611
612static int ebcdic_new(BIO *bi)
613{
614	EBCDIC_OUTBUFF *wbuf;
615
616	wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
617	wbuf->alloced = 1024;
618	wbuf->buff[0] = '\0';
619
620	bi->ptr=(char *)wbuf;
621	bi->init=1;
622	bi->flags=0;
623	return(1);
624}
625
626static int ebcdic_free(BIO *a)
627{
628	if (a == NULL) return(0);
629	if (a->ptr != NULL)
630		OPENSSL_free(a->ptr);
631	a->ptr=NULL;
632	a->init=0;
633	a->flags=0;
634	return(1);
635}
636
637static int ebcdic_read(BIO *b, char *out, int outl)
638{
639	int ret=0;
640
641	if (out == NULL || outl == 0) return(0);
642	if (b->next_bio == NULL) return(0);
643
644	ret=BIO_read(b->next_bio,out,outl);
645	if (ret > 0)
646		ascii2ebcdic(out,out,ret);
647	return(ret);
648}
649
650static int ebcdic_write(BIO *b, const char *in, int inl)
651{
652	EBCDIC_OUTBUFF *wbuf;
653	int ret=0;
654	int num;
655	unsigned char n;
656
657	if ((in == NULL) || (inl <= 0)) return(0);
658	if (b->next_bio == NULL) return(0);
659
660	wbuf=(EBCDIC_OUTBUFF *)b->ptr;
661
662	if (inl > (num = wbuf->alloced))
663	{
664		num = num + num;  /* double the size */
665		if (num < inl)
666			num = inl;
667		OPENSSL_free(wbuf);
668		wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
669
670		wbuf->alloced = num;
671		wbuf->buff[0] = '\0';
672
673		b->ptr=(char *)wbuf;
674	}
675
676	ebcdic2ascii(wbuf->buff, in, inl);
677
678	ret=BIO_write(b->next_bio, wbuf->buff, inl);
679
680	return(ret);
681}
682
683static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
684{
685	long ret;
686
687	if (b->next_bio == NULL) return(0);
688	switch (cmd)
689	{
690	case BIO_CTRL_DUP:
691		ret=0L;
692		break;
693	default:
694		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
695		break;
696	}
697	return(ret);
698}
699
700static int ebcdic_gets(BIO *bp, char *buf, int size)
701{
702	int i, ret=0;
703	if (bp->next_bio == NULL) return(0);
704/*	return(BIO_gets(bp->next_bio,buf,size));*/
705	for (i=0; i<size-1; ++i)
706	{
707		ret = ebcdic_read(bp,&buf[i],1);
708		if (ret <= 0)
709			break;
710		else if (buf[i] == '\n')
711		{
712			++i;
713			break;
714		}
715	}
716	if (i < size)
717		buf[i] = '\0';
718	return (ret < 0 && i == 0) ? ret : i;
719}
720
721static int ebcdic_puts(BIO *bp, const char *str)
722{
723	if (bp->next_bio == NULL) return(0);
724	return ebcdic_write(bp, str, strlen(str));
725}
726#endif
727
728#ifndef OPENSSL_NO_TLSEXT
729
730/* This is a context that we pass to callbacks */
731typedef struct tlsextctx_st {
732   char * servername;
733   BIO * biodebug;
734   int extension_error;
735} tlsextctx;
736
737
738static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
739	{
740	tlsextctx * p = (tlsextctx *) arg;
741	const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
742        if (servername && p->biodebug)
743		BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
744
745	if (!p->servername)
746		return SSL_TLSEXT_ERR_NOACK;
747
748	if (servername)
749		{
750    		if (strcasecmp(servername,p->servername))
751			return p->extension_error;
752		if (ctx2)
753			{
754			BIO_printf(p->biodebug,"Switching server context.\n");
755			SSL_set_SSL_CTX(s,ctx2);
756			}
757		}
758	return SSL_TLSEXT_ERR_OK;
759}
760
761/* Structure passed to cert status callback */
762
763typedef struct tlsextstatusctx_st {
764   /* Default responder to use */
765   char *host, *path, *port;
766   int use_ssl;
767   int timeout;
768   BIO *err;
769   int verbose;
770} tlsextstatusctx;
771
772static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
773
774/* Certificate Status callback. This is called when a client includes a
775 * certificate status request extension.
776 *
777 * This is a simplified version. It examines certificates each time and
778 * makes one OCSP responder query for each request.
779 *
780 * A full version would store details such as the OCSP certificate IDs and
781 * minimise the number of OCSP responses by caching them until they were
782 * considered "expired".
783 */
784
785static int cert_status_cb(SSL *s, void *arg)
786	{
787	tlsextstatusctx *srctx = arg;
788	BIO *err = srctx->err;
789	char *host, *port, *path;
790	int use_ssl;
791	unsigned char *rspder = NULL;
792	int rspderlen;
793	STACK_OF(OPENSSL_STRING) *aia = NULL;
794	X509 *x = NULL;
795	X509_STORE_CTX inctx;
796	X509_OBJECT obj;
797	OCSP_REQUEST *req = NULL;
798	OCSP_RESPONSE *resp = NULL;
799	OCSP_CERTID *id = NULL;
800	STACK_OF(X509_EXTENSION) *exts;
801	int ret = SSL_TLSEXT_ERR_NOACK;
802	int i;
803#if 0
804STACK_OF(OCSP_RESPID) *ids;
805SSL_get_tlsext_status_ids(s, &ids);
806BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
807#endif
808	if (srctx->verbose)
809		BIO_puts(err, "cert_status: callback called\n");
810	/* Build up OCSP query from server certificate */
811	x = SSL_get_certificate(s);
812	aia = X509_get1_ocsp(x);
813	if (aia)
814		{
815		if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
816			&host, &port, &path, &use_ssl))
817			{
818			BIO_puts(err, "cert_status: can't parse AIA URL\n");
819			goto err;
820			}
821		if (srctx->verbose)
822			BIO_printf(err, "cert_status: AIA URL: %s\n",
823					sk_OPENSSL_STRING_value(aia, 0));
824		}
825	else
826		{
827		if (!srctx->host)
828			{
829			BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
830			goto done;
831			}
832		host = srctx->host;
833		path = srctx->path;
834		port = srctx->port;
835		use_ssl = srctx->use_ssl;
836		}
837
838	if (!X509_STORE_CTX_init(&inctx,
839				SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
840				NULL, NULL))
841		goto err;
842	if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
843				X509_get_issuer_name(x),&obj) <= 0)
844		{
845		BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
846		X509_STORE_CTX_cleanup(&inctx);
847		goto done;
848		}
849	req = OCSP_REQUEST_new();
850	if (!req)
851		goto err;
852	id = OCSP_cert_to_id(NULL, x, obj.data.x509);
853	X509_free(obj.data.x509);
854	X509_STORE_CTX_cleanup(&inctx);
855	if (!id)
856		goto err;
857	if (!OCSP_request_add0_id(req, id))
858		goto err;
859	id = NULL;
860	/* Add any extensions to the request */
861	SSL_get_tlsext_status_exts(s, &exts);
862	for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
863		{
864		X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
865		if (!OCSP_REQUEST_add_ext(req, ext, -1))
866			goto err;
867		}
868	resp = process_responder(err, req, host, path, port, use_ssl, NULL,
869					srctx->timeout);
870	if (!resp)
871		{
872		BIO_puts(err, "cert_status: error querying responder\n");
873		goto done;
874		}
875	rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
876	if (rspderlen <= 0)
877		goto err;
878	SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
879	if (srctx->verbose)
880		{
881		BIO_puts(err, "cert_status: ocsp response sent:\n");
882		OCSP_RESPONSE_print(err, resp, 2);
883		}
884	ret = SSL_TLSEXT_ERR_OK;
885	done:
886	if (ret != SSL_TLSEXT_ERR_OK)
887		ERR_print_errors(err);
888	if (aia)
889		{
890		OPENSSL_free(host);
891		OPENSSL_free(path);
892		OPENSSL_free(port);
893		X509_email_free(aia);
894		}
895	if (id)
896		OCSP_CERTID_free(id);
897	if (req)
898		OCSP_REQUEST_free(req);
899	if (resp)
900		OCSP_RESPONSE_free(resp);
901	return ret;
902	err:
903	ret = SSL_TLSEXT_ERR_ALERT_FATAL;
904	goto done;
905	}
906
907# ifndef OPENSSL_NO_NEXTPROTONEG
908/* This is the context that we pass to next_proto_cb */
909typedef struct tlsextnextprotoctx_st {
910	unsigned char *data;
911	unsigned int len;
912} tlsextnextprotoctx;
913
914static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
915	{
916	tlsextnextprotoctx *next_proto = arg;
917
918	*data = next_proto->data;
919	*len = next_proto->len;
920
921	return SSL_TLSEXT_ERR_OK;
922	}
923# endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
924
925
926#endif
927
928int MAIN(int, char **);
929
930#ifndef OPENSSL_NO_JPAKE
931static char *jpake_secret = NULL;
932#endif
933#ifndef OPENSSL_NO_SRP
934	static srpsrvparm srp_callback_parm;
935#endif
936#ifndef OPENSSL_NO_SRTP
937static char *srtp_profiles = NULL;
938#endif
939
940int MAIN(int argc, char *argv[])
941	{
942	X509_VERIFY_PARAM *vpm = NULL;
943	int badarg = 0;
944	short port=PORT;
945	char *CApath=NULL,*CAfile=NULL;
946	unsigned char *context = NULL;
947	char *dhfile = NULL;
948#ifndef OPENSSL_NO_ECDH
949	char *named_curve = NULL;
950#endif
951	int badop=0,bugs=0;
952	int ret=1;
953	int off=0;
954	int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
955	int state=0;
956	const SSL_METHOD *meth=NULL;
957	int socket_type=SOCK_STREAM;
958	ENGINE *e=NULL;
959	char *inrand=NULL;
960	int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
961	char *passarg = NULL, *pass = NULL;
962	char *dpassarg = NULL, *dpass = NULL;
963	int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
964	X509 *s_cert = NULL, *s_dcert = NULL;
965	EVP_PKEY *s_key = NULL, *s_dkey = NULL;
966	int no_cache = 0;
967#ifndef OPENSSL_NO_TLSEXT
968	EVP_PKEY *s_key2 = NULL;
969	X509 *s_cert2 = NULL;
970        tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
971# ifndef OPENSSL_NO_NEXTPROTONEG
972	const char *next_proto_neg_in = NULL;
973	tlsextnextprotoctx next_proto;
974# endif
975#endif
976#ifndef OPENSSL_NO_PSK
977	/* by default do not send a PSK identity hint */
978	static char *psk_identity_hint=NULL;
979#endif
980#ifndef OPENSSL_NO_SRP
981	char *srpuserseed = NULL;
982	char *srp_verifier_file = NULL;
983#endif
984	meth=SSLv23_server_method();
985
986	local_argc=argc;
987	local_argv=argv;
988
989	apps_startup();
990#ifdef MONOLITH
991	s_server_init();
992#endif
993
994	if (bio_err == NULL)
995		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
996
997	if (!load_config(bio_err, NULL))
998		goto end;
999
1000	verify_depth=0;
1001#ifdef FIONBIO
1002	s_nbio=0;
1003#endif
1004	s_nbio_test=0;
1005
1006	argc--;
1007	argv++;
1008
1009	while (argc >= 1)
1010		{
1011		if	((strcmp(*argv,"-port") == 0) ||
1012			 (strcmp(*argv,"-accept") == 0))
1013			{
1014			if (--argc < 1) goto bad;
1015			if (!extract_port(*(++argv),&port))
1016				goto bad;
1017			}
1018		else if	(strcmp(*argv,"-verify") == 0)
1019			{
1020			s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1021			if (--argc < 1) goto bad;
1022			verify_depth=atoi(*(++argv));
1023			BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1024			}
1025		else if	(strcmp(*argv,"-Verify") == 0)
1026			{
1027			s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1028				SSL_VERIFY_CLIENT_ONCE;
1029			if (--argc < 1) goto bad;
1030			verify_depth=atoi(*(++argv));
1031			BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1032			}
1033		else if	(strcmp(*argv,"-context") == 0)
1034			{
1035			if (--argc < 1) goto bad;
1036			context= (unsigned char *)*(++argv);
1037			}
1038		else if	(strcmp(*argv,"-cert") == 0)
1039			{
1040			if (--argc < 1) goto bad;
1041			s_cert_file= *(++argv);
1042			}
1043		else if	(strcmp(*argv,"-certform") == 0)
1044			{
1045			if (--argc < 1) goto bad;
1046			s_cert_format = str2fmt(*(++argv));
1047			}
1048		else if	(strcmp(*argv,"-key") == 0)
1049			{
1050			if (--argc < 1) goto bad;
1051			s_key_file= *(++argv);
1052			}
1053		else if	(strcmp(*argv,"-keyform") == 0)
1054			{
1055			if (--argc < 1) goto bad;
1056			s_key_format = str2fmt(*(++argv));
1057			}
1058		else if	(strcmp(*argv,"-pass") == 0)
1059			{
1060			if (--argc < 1) goto bad;
1061			passarg = *(++argv);
1062			}
1063		else if	(strcmp(*argv,"-dhparam") == 0)
1064			{
1065			if (--argc < 1) goto bad;
1066			dhfile = *(++argv);
1067			}
1068#ifndef OPENSSL_NO_ECDH
1069		else if	(strcmp(*argv,"-named_curve") == 0)
1070			{
1071			if (--argc < 1) goto bad;
1072			named_curve = *(++argv);
1073			}
1074#endif
1075		else if	(strcmp(*argv,"-dcertform") == 0)
1076			{
1077			if (--argc < 1) goto bad;
1078			s_dcert_format = str2fmt(*(++argv));
1079			}
1080		else if	(strcmp(*argv,"-dcert") == 0)
1081			{
1082			if (--argc < 1) goto bad;
1083			s_dcert_file= *(++argv);
1084			}
1085		else if	(strcmp(*argv,"-dkeyform") == 0)
1086			{
1087			if (--argc < 1) goto bad;
1088			s_dkey_format = str2fmt(*(++argv));
1089			}
1090		else if	(strcmp(*argv,"-dpass") == 0)
1091			{
1092			if (--argc < 1) goto bad;
1093			dpassarg = *(++argv);
1094			}
1095		else if	(strcmp(*argv,"-dkey") == 0)
1096			{
1097			if (--argc < 1) goto bad;
1098			s_dkey_file= *(++argv);
1099			}
1100		else if (strcmp(*argv,"-nocert") == 0)
1101			{
1102			nocert=1;
1103			}
1104		else if	(strcmp(*argv,"-CApath") == 0)
1105			{
1106			if (--argc < 1) goto bad;
1107			CApath= *(++argv);
1108			}
1109		else if (strcmp(*argv,"-no_cache") == 0)
1110			no_cache = 1;
1111		else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1112			{
1113			if (badarg)
1114				goto bad;
1115			continue;
1116			}
1117		else if (strcmp(*argv,"-verify_return_error") == 0)
1118			verify_return_error = 1;
1119		else if	(strcmp(*argv,"-serverpref") == 0)
1120			{ off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1121		else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1122			off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1123		else if	(strcmp(*argv,"-cipher") == 0)
1124			{
1125			if (--argc < 1) goto bad;
1126			cipher= *(++argv);
1127			}
1128		else if	(strcmp(*argv,"-CAfile") == 0)
1129			{
1130			if (--argc < 1) goto bad;
1131			CAfile= *(++argv);
1132			}
1133#ifdef FIONBIO
1134		else if	(strcmp(*argv,"-nbio") == 0)
1135			{ s_nbio=1; }
1136#endif
1137		else if	(strcmp(*argv,"-nbio_test") == 0)
1138			{
1139#ifdef FIONBIO
1140			s_nbio=1;
1141#endif
1142			s_nbio_test=1;
1143			}
1144		else if	(strcmp(*argv,"-debug") == 0)
1145			{ s_debug=1; }
1146#ifndef OPENSSL_NO_TLSEXT
1147		else if	(strcmp(*argv,"-tlsextdebug") == 0)
1148			s_tlsextdebug=1;
1149		else if	(strcmp(*argv,"-status") == 0)
1150			s_tlsextstatus=1;
1151		else if	(strcmp(*argv,"-status_verbose") == 0)
1152			{
1153			s_tlsextstatus=1;
1154			tlscstatp.verbose = 1;
1155			}
1156		else if (!strcmp(*argv, "-status_timeout"))
1157			{
1158			s_tlsextstatus=1;
1159                        if (--argc < 1) goto bad;
1160			tlscstatp.timeout = atoi(*(++argv));
1161			}
1162		else if (!strcmp(*argv, "-status_url"))
1163			{
1164			s_tlsextstatus=1;
1165                        if (--argc < 1) goto bad;
1166			if (!OCSP_parse_url(*(++argv),
1167					&tlscstatp.host,
1168					&tlscstatp.port,
1169					&tlscstatp.path,
1170					&tlscstatp.use_ssl))
1171				{
1172				BIO_printf(bio_err, "Error parsing URL\n");
1173				goto bad;
1174				}
1175			}
1176#endif
1177		else if	(strcmp(*argv,"-msg") == 0)
1178			{ s_msg=1; }
1179		else if	(strcmp(*argv,"-hack") == 0)
1180			{ hack=1; }
1181		else if	(strcmp(*argv,"-state") == 0)
1182			{ state=1; }
1183		else if	(strcmp(*argv,"-crlf") == 0)
1184			{ s_crlf=1; }
1185		else if	(strcmp(*argv,"-quiet") == 0)
1186			{ s_quiet=1; }
1187		else if	(strcmp(*argv,"-bugs") == 0)
1188			{ bugs=1; }
1189		else if	(strcmp(*argv,"-no_tmp_rsa") == 0)
1190			{ no_tmp_rsa=1; }
1191		else if	(strcmp(*argv,"-no_dhe") == 0)
1192			{ no_dhe=1; }
1193		else if	(strcmp(*argv,"-no_ecdhe") == 0)
1194			{ no_ecdhe=1; }
1195#ifndef OPENSSL_NO_PSK
1196                else if (strcmp(*argv,"-psk_hint") == 0)
1197			{
1198                        if (--argc < 1) goto bad;
1199                        psk_identity_hint= *(++argv);
1200                        }
1201                else if (strcmp(*argv,"-psk") == 0)
1202			{
1203			size_t i;
1204
1205			if (--argc < 1) goto bad;
1206			psk_key=*(++argv);
1207			for (i=0; i<strlen(psk_key); i++)
1208				{
1209				if (isxdigit((unsigned char)psk_key[i]))
1210					continue;
1211				BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1212				goto bad;
1213				}
1214			}
1215#endif
1216#ifndef OPENSSL_NO_SRP
1217		else if (strcmp(*argv, "-srpvfile") == 0)
1218			{
1219			if (--argc < 1) goto bad;
1220			srp_verifier_file = *(++argv);
1221			meth = TLSv1_server_method();
1222			}
1223		else if (strcmp(*argv, "-srpuserseed") == 0)
1224			{
1225			if (--argc < 1) goto bad;
1226			srpuserseed = *(++argv);
1227			meth = TLSv1_server_method();
1228			}
1229#endif
1230		else if	(strcmp(*argv,"-www") == 0)
1231			{ www=1; }
1232		else if	(strcmp(*argv,"-WWW") == 0)
1233			{ www=2; }
1234		else if	(strcmp(*argv,"-HTTP") == 0)
1235			{ www=3; }
1236		else if	(strcmp(*argv,"-no_ssl2") == 0)
1237			{ off|=SSL_OP_NO_SSLv2; }
1238		else if	(strcmp(*argv,"-no_ssl3") == 0)
1239			{ off|=SSL_OP_NO_SSLv3; }
1240		else if	(strcmp(*argv,"-no_tls1") == 0)
1241			{ off|=SSL_OP_NO_TLSv1; }
1242		else if	(strcmp(*argv,"-no_tls1_1") == 0)
1243			{ off|=SSL_OP_NO_TLSv1_1; }
1244		else if	(strcmp(*argv,"-no_tls1_2") == 0)
1245			{ off|=SSL_OP_NO_TLSv1_2; }
1246		else if	(strcmp(*argv,"-no_comp") == 0)
1247			{ off|=SSL_OP_NO_COMPRESSION; }
1248#ifndef OPENSSL_NO_TLSEXT
1249		else if	(strcmp(*argv,"-no_ticket") == 0)
1250			{ off|=SSL_OP_NO_TICKET; }
1251#endif
1252#ifndef OPENSSL_NO_SSL2
1253		else if	(strcmp(*argv,"-ssl2") == 0)
1254			{ meth=SSLv2_server_method(); }
1255#endif
1256#ifndef OPENSSL_NO_SSL3_METHOD
1257		else if	(strcmp(*argv,"-ssl3") == 0)
1258			{ meth=SSLv3_server_method(); }
1259#endif
1260#ifndef OPENSSL_NO_TLS1
1261		else if	(strcmp(*argv,"-tls1") == 0)
1262			{ meth=TLSv1_server_method(); }
1263		else if	(strcmp(*argv,"-tls1_1") == 0)
1264			{ meth=TLSv1_1_server_method(); }
1265		else if	(strcmp(*argv,"-tls1_2") == 0)
1266			{ meth=TLSv1_2_server_method(); }
1267#endif
1268#ifndef OPENSSL_NO_DTLS1
1269		else if	(strcmp(*argv,"-dtls1") == 0)
1270			{
1271			meth=DTLSv1_server_method();
1272			socket_type = SOCK_DGRAM;
1273			}
1274		else if (strcmp(*argv,"-timeout") == 0)
1275			enable_timeouts = 1;
1276		else if (strcmp(*argv,"-mtu") == 0)
1277			{
1278			if (--argc < 1) goto bad;
1279			socket_mtu = atol(*(++argv));
1280			}
1281		else if (strcmp(*argv, "-chain") == 0)
1282			cert_chain = 1;
1283#endif
1284		else if (strcmp(*argv, "-id_prefix") == 0)
1285			{
1286			if (--argc < 1) goto bad;
1287			session_id_prefix = *(++argv);
1288			}
1289#ifndef OPENSSL_NO_ENGINE
1290		else if (strcmp(*argv,"-engine") == 0)
1291			{
1292			if (--argc < 1) goto bad;
1293			engine_id= *(++argv);
1294			}
1295#endif
1296		else if (strcmp(*argv,"-rand") == 0)
1297			{
1298			if (--argc < 1) goto bad;
1299			inrand= *(++argv);
1300			}
1301#ifndef OPENSSL_NO_TLSEXT
1302		else if (strcmp(*argv,"-servername") == 0)
1303			{
1304			if (--argc < 1) goto bad;
1305			tlsextcbp.servername= *(++argv);
1306			}
1307		else if (strcmp(*argv,"-servername_fatal") == 0)
1308			{ tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1309		else if	(strcmp(*argv,"-cert2") == 0)
1310			{
1311			if (--argc < 1) goto bad;
1312			s_cert_file2= *(++argv);
1313			}
1314		else if	(strcmp(*argv,"-key2") == 0)
1315			{
1316			if (--argc < 1) goto bad;
1317			s_key_file2= *(++argv);
1318			}
1319# ifndef OPENSSL_NO_NEXTPROTONEG
1320		else if	(strcmp(*argv,"-nextprotoneg") == 0)
1321			{
1322			if (--argc < 1) goto bad;
1323			next_proto_neg_in = *(++argv);
1324			}
1325# endif
1326#endif
1327#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1328		else if (strcmp(*argv,"-jpake") == 0)
1329			{
1330			if (--argc < 1) goto bad;
1331			jpake_secret = *(++argv);
1332			}
1333#endif
1334#ifndef OPENSSL_NO_SRTP
1335		else if (strcmp(*argv,"-use_srtp") == 0)
1336			{
1337			if (--argc < 1) goto bad;
1338			srtp_profiles = *(++argv);
1339			}
1340#endif
1341		else if (strcmp(*argv,"-keymatexport") == 0)
1342			{
1343			if (--argc < 1) goto bad;
1344			keymatexportlabel= *(++argv);
1345			}
1346		else if (strcmp(*argv,"-keymatexportlen") == 0)
1347			{
1348			if (--argc < 1) goto bad;
1349			keymatexportlen=atoi(*(++argv));
1350			if (keymatexportlen == 0) goto bad;
1351			}
1352		else
1353			{
1354			BIO_printf(bio_err,"unknown option %s\n",*argv);
1355			badop=1;
1356			break;
1357			}
1358		argc--;
1359		argv++;
1360		}
1361	if (badop)
1362		{
1363bad:
1364		sv_usage();
1365		goto end;
1366		}
1367#ifndef OPENSSL_NO_DTLS1
1368	if (www && socket_type == SOCK_DGRAM)
1369		{
1370		BIO_printf(bio_err,
1371				"Can't use -HTTP, -www or -WWW with DTLS\n");
1372		goto end;
1373		}
1374#endif
1375
1376#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1377	if (jpake_secret)
1378		{
1379		if (psk_key)
1380			{
1381			BIO_printf(bio_err,
1382				   "Can't use JPAKE and PSK together\n");
1383			goto end;
1384			}
1385		psk_identity = "JPAKE";
1386		if (cipher)
1387			{
1388			BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1389			goto end;
1390			}
1391		cipher = "PSK";
1392		}
1393
1394#endif
1395
1396	SSL_load_error_strings();
1397	OpenSSL_add_ssl_algorithms();
1398
1399#ifndef OPENSSL_NO_ENGINE
1400        e = setup_engine(bio_err, engine_id, 1);
1401#endif
1402
1403	if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1404		{
1405		BIO_printf(bio_err, "Error getting password\n");
1406		goto end;
1407		}
1408
1409
1410	if (s_key_file == NULL)
1411		s_key_file = s_cert_file;
1412#ifndef OPENSSL_NO_TLSEXT
1413	if (s_key_file2 == NULL)
1414		s_key_file2 = s_cert_file2;
1415#endif
1416
1417	if (nocert == 0)
1418		{
1419		s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1420		       "server certificate private key file");
1421		if (!s_key)
1422			{
1423			ERR_print_errors(bio_err);
1424			goto end;
1425			}
1426
1427		s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1428			NULL, e, "server certificate file");
1429
1430		if (!s_cert)
1431			{
1432			ERR_print_errors(bio_err);
1433			goto end;
1434			}
1435
1436#ifndef OPENSSL_NO_TLSEXT
1437		if (tlsextcbp.servername)
1438			{
1439			s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1440				"second server certificate private key file");
1441			if (!s_key2)
1442				{
1443				ERR_print_errors(bio_err);
1444				goto end;
1445				}
1446
1447			s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1448				NULL, e, "second server certificate file");
1449
1450			if (!s_cert2)
1451				{
1452				ERR_print_errors(bio_err);
1453				goto end;
1454				}
1455			}
1456#endif
1457		}
1458
1459#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1460	if (next_proto_neg_in)
1461		{
1462		unsigned short len;
1463		next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1464		if (next_proto.data == NULL)
1465			goto end;
1466		next_proto.len = len;
1467		}
1468	else
1469		{
1470		next_proto.data = NULL;
1471		}
1472#endif
1473
1474
1475	if (s_dcert_file)
1476		{
1477
1478		if (s_dkey_file == NULL)
1479			s_dkey_file = s_dcert_file;
1480
1481		s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1482				0, dpass, e,
1483			       "second certificate private key file");
1484		if (!s_dkey)
1485			{
1486			ERR_print_errors(bio_err);
1487			goto end;
1488			}
1489
1490		s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1491				NULL, e, "second server certificate file");
1492
1493		if (!s_dcert)
1494			{
1495			ERR_print_errors(bio_err);
1496			goto end;
1497			}
1498
1499		}
1500
1501	if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1502		&& !RAND_status())
1503		{
1504		BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1505		}
1506	if (inrand != NULL)
1507		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1508			app_RAND_load_files(inrand));
1509
1510	if (bio_s_out == NULL)
1511		{
1512		if (s_quiet && !s_debug && !s_msg)
1513			{
1514			bio_s_out=BIO_new(BIO_s_null());
1515			}
1516		else
1517			{
1518			if (bio_s_out == NULL)
1519				bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1520			}
1521		}
1522
1523#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1524	if (nocert)
1525#endif
1526		{
1527		s_cert_file=NULL;
1528		s_key_file=NULL;
1529		s_dcert_file=NULL;
1530		s_dkey_file=NULL;
1531#ifndef OPENSSL_NO_TLSEXT
1532		s_cert_file2=NULL;
1533		s_key_file2=NULL;
1534#endif
1535		}
1536
1537	ctx=SSL_CTX_new(meth);
1538	if (ctx == NULL)
1539		{
1540		ERR_print_errors(bio_err);
1541		goto end;
1542		}
1543	if (session_id_prefix)
1544		{
1545		if(strlen(session_id_prefix) >= 32)
1546			BIO_printf(bio_err,
1547"warning: id_prefix is too long, only one new session will be possible\n");
1548		else if(strlen(session_id_prefix) >= 16)
1549			BIO_printf(bio_err,
1550"warning: id_prefix is too long if you use SSLv2\n");
1551		if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1552			{
1553			BIO_printf(bio_err,"error setting 'id_prefix'\n");
1554			ERR_print_errors(bio_err);
1555			goto end;
1556			}
1557		BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1558		}
1559	SSL_CTX_set_quiet_shutdown(ctx,1);
1560	if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1561	if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1562	SSL_CTX_set_options(ctx,off);
1563	/* DTLS: partial reads end up discarding unread UDP bytes :-(
1564	 * Setting read ahead solves this problem.
1565	 */
1566	if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1567
1568	if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1569	if (no_cache)
1570		SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1571	else
1572		SSL_CTX_sess_set_cache_size(ctx,128);
1573
1574#ifndef OPENSSL_NO_SRTP
1575	if (srtp_profiles != NULL)
1576		SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1577#endif
1578
1579#if 0
1580	if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1581#endif
1582
1583#if 0
1584	if (s_cert_file == NULL)
1585		{
1586		BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1587		goto end;
1588		}
1589#endif
1590
1591	if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1592		(!SSL_CTX_set_default_verify_paths(ctx)))
1593		{
1594		/* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1595		ERR_print_errors(bio_err);
1596		/* goto end; */
1597		}
1598	if (vpm)
1599		SSL_CTX_set1_param(ctx, vpm);
1600
1601#ifndef OPENSSL_NO_TLSEXT
1602	if (s_cert2)
1603		{
1604		ctx2=SSL_CTX_new(meth);
1605		if (ctx2 == NULL)
1606			{
1607			ERR_print_errors(bio_err);
1608			goto end;
1609			}
1610		}
1611
1612	if (ctx2)
1613		{
1614		BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1615
1616		if (session_id_prefix)
1617			{
1618			if(strlen(session_id_prefix) >= 32)
1619				BIO_printf(bio_err,
1620					"warning: id_prefix is too long, only one new session will be possible\n");
1621			else if(strlen(session_id_prefix) >= 16)
1622				BIO_printf(bio_err,
1623					"warning: id_prefix is too long if you use SSLv2\n");
1624			if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1625				{
1626				BIO_printf(bio_err,"error setting 'id_prefix'\n");
1627				ERR_print_errors(bio_err);
1628				goto end;
1629				}
1630			BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1631			}
1632		SSL_CTX_set_quiet_shutdown(ctx2,1);
1633		if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1634		if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1635		SSL_CTX_set_options(ctx2,off);
1636		/* DTLS: partial reads end up discarding unread UDP bytes :-(
1637		 * Setting read ahead solves this problem.
1638		 */
1639		if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1640
1641		if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1642
1643		if (no_cache)
1644			SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1645		else
1646			SSL_CTX_sess_set_cache_size(ctx2,128);
1647
1648		if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1649			(!SSL_CTX_set_default_verify_paths(ctx2)))
1650			{
1651			ERR_print_errors(bio_err);
1652			}
1653		if (vpm)
1654			SSL_CTX_set1_param(ctx2, vpm);
1655		}
1656
1657# ifndef OPENSSL_NO_NEXTPROTONEG
1658	if (next_proto.data)
1659		SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1660# endif
1661#endif
1662
1663#ifndef OPENSSL_NO_DH
1664	if (!no_dhe)
1665		{
1666		DH *dh=NULL;
1667
1668		if (dhfile)
1669			dh = load_dh_param(dhfile);
1670		else if (s_cert_file)
1671			dh = load_dh_param(s_cert_file);
1672
1673		if (dh != NULL)
1674			{
1675			BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1676			}
1677		else
1678			{
1679			BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1680			dh=get_dh512();
1681			}
1682		(void)BIO_flush(bio_s_out);
1683
1684		SSL_CTX_set_tmp_dh(ctx,dh);
1685#ifndef OPENSSL_NO_TLSEXT
1686		if (ctx2)
1687			{
1688			if (!dhfile)
1689				{
1690				DH *dh2=load_dh_param(s_cert_file2);
1691				if (dh2 != NULL)
1692					{
1693					BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1694					(void)BIO_flush(bio_s_out);
1695
1696					DH_free(dh);
1697					dh = dh2;
1698					}
1699				}
1700			SSL_CTX_set_tmp_dh(ctx2,dh);
1701			}
1702#endif
1703		DH_free(dh);
1704		}
1705#endif
1706
1707#ifndef OPENSSL_NO_ECDH
1708	if (!no_ecdhe)
1709		{
1710		EC_KEY *ecdh=NULL;
1711
1712		if (named_curve)
1713			{
1714			int nid = OBJ_sn2nid(named_curve);
1715
1716			if (nid == 0)
1717				{
1718				BIO_printf(bio_err, "unknown curve name (%s)\n",
1719					named_curve);
1720				goto end;
1721				}
1722			ecdh = EC_KEY_new_by_curve_name(nid);
1723			if (ecdh == NULL)
1724				{
1725				BIO_printf(bio_err, "unable to create curve (%s)\n",
1726					named_curve);
1727				goto end;
1728				}
1729			}
1730
1731		if (ecdh != NULL)
1732			{
1733			BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1734			}
1735		else
1736			{
1737			BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1738			ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1739			if (ecdh == NULL)
1740				{
1741				BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1742				goto end;
1743				}
1744			}
1745		(void)BIO_flush(bio_s_out);
1746
1747		SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1748#ifndef OPENSSL_NO_TLSEXT
1749		if (ctx2)
1750			SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1751#endif
1752		EC_KEY_free(ecdh);
1753		}
1754#endif
1755
1756	if (!set_cert_key_stuff(ctx, s_cert, s_key))
1757		goto end;
1758#ifndef OPENSSL_NO_TLSEXT
1759	if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1760		goto end;
1761#endif
1762	if (s_dcert != NULL)
1763		{
1764		if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1765			goto end;
1766		}
1767
1768#ifndef OPENSSL_NO_RSA
1769#if 1
1770	if (!no_tmp_rsa)
1771		{
1772		SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1773#ifndef OPENSSL_NO_TLSEXT
1774		if (ctx2)
1775			SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1776#endif
1777		}
1778#else
1779	if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1780		{
1781		RSA *rsa;
1782
1783		BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1784		BIO_flush(bio_s_out);
1785
1786		rsa=RSA_generate_key(512,RSA_F4,NULL);
1787
1788		if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1789			{
1790			ERR_print_errors(bio_err);
1791			goto end;
1792			}
1793#ifndef OPENSSL_NO_TLSEXT
1794			if (ctx2)
1795				{
1796				if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1797					{
1798					ERR_print_errors(bio_err);
1799					goto end;
1800					}
1801				}
1802#endif
1803		RSA_free(rsa);
1804		BIO_printf(bio_s_out,"\n");
1805		}
1806#endif
1807#endif
1808
1809#ifndef OPENSSL_NO_PSK
1810#ifdef OPENSSL_NO_JPAKE
1811	if (psk_key != NULL)
1812#else
1813	if (psk_key != NULL || jpake_secret)
1814#endif
1815		{
1816		if (s_debug)
1817			BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1818		SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1819		}
1820
1821	if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1822		{
1823		BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1824		ERR_print_errors(bio_err);
1825		goto end;
1826		}
1827#endif
1828
1829	if (cipher != NULL)
1830		{
1831		if(!SSL_CTX_set_cipher_list(ctx,cipher))
1832			{
1833			BIO_printf(bio_err,"error setting cipher list\n");
1834			ERR_print_errors(bio_err);
1835			goto end;
1836			}
1837#ifndef OPENSSL_NO_TLSEXT
1838		if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1839			{
1840			BIO_printf(bio_err,"error setting cipher list\n");
1841			ERR_print_errors(bio_err);
1842			goto end;
1843			}
1844#endif
1845		}
1846	SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1847	SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1848		sizeof s_server_session_id_context);
1849
1850	/* Set DTLS cookie generation and verification callbacks */
1851	SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1852	SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1853
1854#ifndef OPENSSL_NO_TLSEXT
1855	if (ctx2)
1856		{
1857		SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1858		SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1859			sizeof s_server_session_id_context);
1860
1861		tlsextcbp.biodebug = bio_s_out;
1862		SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1863		SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1864		SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1865		SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1866		}
1867#endif
1868
1869#ifndef OPENSSL_NO_SRP
1870	if (srp_verifier_file != NULL)
1871		{
1872		srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1873		srp_callback_parm.user = NULL;
1874		srp_callback_parm.login = NULL;
1875		if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1876			{
1877			BIO_printf(bio_err,
1878				   "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1879				   srp_verifier_file, ret);
1880				goto end;
1881			}
1882		SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1883		SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1884		SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1885		}
1886	else
1887#endif
1888	if (CAfile != NULL)
1889		{
1890		SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1891#ifndef OPENSSL_NO_TLSEXT
1892		if (ctx2)
1893			SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1894#endif
1895		}
1896
1897	BIO_printf(bio_s_out,"ACCEPT\n");
1898	(void)BIO_flush(bio_s_out);
1899	if (www)
1900		do_server(port,socket_type,&accept_socket,www_body, context);
1901	else
1902		do_server(port,socket_type,&accept_socket,sv_body, context);
1903	print_stats(bio_s_out,ctx);
1904	ret=0;
1905end:
1906	if (ctx != NULL) SSL_CTX_free(ctx);
1907	if (s_cert)
1908		X509_free(s_cert);
1909	if (s_dcert)
1910		X509_free(s_dcert);
1911	if (s_key)
1912		EVP_PKEY_free(s_key);
1913	if (s_dkey)
1914		EVP_PKEY_free(s_dkey);
1915	if (pass)
1916		OPENSSL_free(pass);
1917	if (dpass)
1918		OPENSSL_free(dpass);
1919	if (vpm)
1920		X509_VERIFY_PARAM_free(vpm);
1921#ifndef OPENSSL_NO_TLSEXT
1922	if (tlscstatp.host)
1923		OPENSSL_free(tlscstatp.host);
1924	if (tlscstatp.port)
1925		OPENSSL_free(tlscstatp.port);
1926	if (tlscstatp.path)
1927		OPENSSL_free(tlscstatp.path);
1928	if (ctx2 != NULL) SSL_CTX_free(ctx2);
1929	if (s_cert2)
1930		X509_free(s_cert2);
1931	if (s_key2)
1932		EVP_PKEY_free(s_key2);
1933#endif
1934	if (bio_s_out != NULL)
1935		{
1936        BIO_free(bio_s_out);
1937		bio_s_out=NULL;
1938		}
1939	apps_shutdown();
1940	OPENSSL_EXIT(ret);
1941	}
1942
1943static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1944	{
1945	BIO_printf(bio,"%4ld items in the session cache\n",
1946		SSL_CTX_sess_number(ssl_ctx));
1947	BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1948		SSL_CTX_sess_connect(ssl_ctx));
1949	BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1950		SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1951	BIO_printf(bio,"%4ld client connects that finished\n",
1952		SSL_CTX_sess_connect_good(ssl_ctx));
1953	BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1954		SSL_CTX_sess_accept(ssl_ctx));
1955	BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1956		SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1957	BIO_printf(bio,"%4ld server accepts that finished\n",
1958		SSL_CTX_sess_accept_good(ssl_ctx));
1959	BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1960	BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1961	BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1962	BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1963	BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1964		SSL_CTX_sess_cache_full(ssl_ctx),
1965		SSL_CTX_sess_get_cache_size(ssl_ctx));
1966	}
1967
1968static int sv_body(char *hostname, int s, unsigned char *context)
1969	{
1970	char *buf=NULL;
1971	fd_set readfds;
1972	int ret=1,width;
1973	int k,i;
1974	unsigned long l;
1975	SSL *con=NULL;
1976	BIO *sbio;
1977#ifndef OPENSSL_NO_KRB5
1978	KSSL_CTX *kctx;
1979#endif
1980	struct timeval timeout;
1981#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1982	struct timeval tv;
1983#else
1984	struct timeval *timeoutp;
1985#endif
1986
1987	if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1988		{
1989		BIO_printf(bio_err,"out of memory\n");
1990		goto err;
1991		}
1992#ifdef FIONBIO
1993	if (s_nbio)
1994		{
1995		unsigned long sl=1;
1996
1997		if (!s_quiet)
1998			BIO_printf(bio_err,"turning on non blocking io\n");
1999		if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2000			ERR_print_errors(bio_err);
2001		}
2002#endif
2003
2004	if (con == NULL) {
2005		con=SSL_new(ctx);
2006#ifndef OPENSSL_NO_TLSEXT
2007	if (s_tlsextdebug)
2008		{
2009		SSL_set_tlsext_debug_callback(con, tlsext_cb);
2010		SSL_set_tlsext_debug_arg(con, bio_s_out);
2011		}
2012	if (s_tlsextstatus)
2013		{
2014		SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2015		tlscstatp.err = bio_err;
2016		SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2017		}
2018#endif
2019#ifndef OPENSSL_NO_KRB5
2020		if ((kctx = kssl_ctx_new()) != NULL)
2021                        {
2022			SSL_set0_kssl_ctx(con, kctx);
2023                        kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2024                        kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2025                        }
2026#endif	/* OPENSSL_NO_KRB5 */
2027		if(context)
2028		      SSL_set_session_id_context(con, context,
2029						 strlen((char *)context));
2030	}
2031	SSL_clear(con);
2032#if 0
2033#ifdef TLSEXT_TYPE_opaque_prf_input
2034	SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2035#endif
2036#endif
2037
2038	if (SSL_version(con) == DTLS1_VERSION)
2039		{
2040
2041		sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2042
2043		if (enable_timeouts)
2044			{
2045			timeout.tv_sec = 0;
2046			timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2047			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2048
2049			timeout.tv_sec = 0;
2050			timeout.tv_usec = DGRAM_SND_TIMEOUT;
2051			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2052			}
2053
2054		if (socket_mtu)
2055			{
2056			if(socket_mtu < DTLS_get_link_min_mtu(con))
2057				{
2058				BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
2059					DTLS_get_link_min_mtu(con));
2060				ret = -1;
2061				BIO_free(sbio);
2062				goto err;
2063				}
2064			SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2065			if(!DTLS_set_link_mtu(con, socket_mtu))
2066				{
2067				BIO_printf(bio_err, "Failed to set MTU\n");
2068				ret = -1;
2069				BIO_free(sbio);
2070				goto err;
2071				}
2072			}
2073		else
2074			/* want to do MTU discovery */
2075			BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2076
2077        /* turn on cookie exchange */
2078        SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2079		}
2080	else
2081		sbio=BIO_new_socket(s,BIO_NOCLOSE);
2082
2083	if (s_nbio_test)
2084		{
2085		BIO *test;
2086
2087		test=BIO_new(BIO_f_nbio_test());
2088		sbio=BIO_push(test,sbio);
2089		}
2090#ifndef OPENSSL_NO_JPAKE
2091	if(jpake_secret)
2092		jpake_server_auth(bio_s_out, sbio, jpake_secret);
2093#endif
2094
2095	SSL_set_bio(con,sbio,sbio);
2096	SSL_set_accept_state(con);
2097	/* SSL_set_fd(con,s); */
2098
2099	if (s_debug)
2100		{
2101		SSL_set_debug(con, 1);
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		{
2107		SSL_set_msg_callback(con, msg_cb);
2108		SSL_set_msg_callback_arg(con, bio_s_out);
2109		}
2110#ifndef OPENSSL_NO_TLSEXT
2111	if (s_tlsextdebug)
2112		{
2113		SSL_set_tlsext_debug_callback(con, tlsext_cb);
2114		SSL_set_tlsext_debug_arg(con, bio_s_out);
2115		}
2116#endif
2117
2118	width=s+1;
2119	for (;;)
2120		{
2121		int read_from_terminal;
2122		int read_from_sslcon;
2123
2124		read_from_terminal = 0;
2125		read_from_sslcon = SSL_pending(con);
2126
2127		if (!read_from_sslcon)
2128			{
2129			FD_ZERO(&readfds);
2130#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2131			openssl_fdset(fileno(stdin),&readfds);
2132#endif
2133			openssl_fdset(s,&readfds);
2134			/* Note: under VMS with SOCKETSHR the second parameter is
2135			 * currently of type (int *) whereas under other systems
2136			 * it is (void *) if you don't have a cast it will choke
2137			 * the compiler: if you do have a cast then you can either
2138			 * go for (int *) or (void *).
2139			 */
2140#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2141                        /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2142			 * on sockets. As a workaround we timeout the select every
2143			 * second and check for any keypress. In a proper Windows
2144			 * application we wouldn't do this because it is inefficient.
2145			 */
2146			tv.tv_sec = 1;
2147			tv.tv_usec = 0;
2148			i=select(width,(void *)&readfds,NULL,NULL,&tv);
2149			if((i < 0) || (!i && !_kbhit() ) )continue;
2150			if(_kbhit())
2151				read_from_terminal = 1;
2152#elif defined(OPENSSL_SYS_BEOS_R5)
2153			/* Under BeOS-R5 the situation is similar to DOS */
2154			tv.tv_sec = 1;
2155			tv.tv_usec = 0;
2156			(void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2157			i=select(width,(void *)&readfds,NULL,NULL,&tv);
2158			if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2159				continue;
2160			if (read(fileno(stdin), buf, 0) >= 0)
2161				read_from_terminal = 1;
2162			(void)fcntl(fileno(stdin), F_SETFL, 0);
2163#else
2164			if ((SSL_version(con) == DTLS1_VERSION) &&
2165				DTLSv1_get_timeout(con, &timeout))
2166				timeoutp = &timeout;
2167			else
2168				timeoutp = NULL;
2169
2170			i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2171
2172			if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2173				{
2174				BIO_printf(bio_err,"TIMEOUT occured\n");
2175				}
2176
2177			if (i <= 0) continue;
2178			if (FD_ISSET(fileno(stdin),&readfds))
2179				read_from_terminal = 1;
2180#endif
2181			if (FD_ISSET(s,&readfds))
2182				read_from_sslcon = 1;
2183			}
2184		if (read_from_terminal)
2185			{
2186			if (s_crlf)
2187				{
2188				int j, lf_num;
2189
2190				i=raw_read_stdin(buf, bufsize/2);
2191				lf_num = 0;
2192				/* both loops are skipped when i <= 0 */
2193				for (j = 0; j < i; j++)
2194					if (buf[j] == '\n')
2195						lf_num++;
2196				for (j = i-1; j >= 0; j--)
2197					{
2198					buf[j+lf_num] = buf[j];
2199					if (buf[j] == '\n')
2200						{
2201						lf_num--;
2202						i++;
2203						buf[j+lf_num] = '\r';
2204						}
2205					}
2206				assert(lf_num == 0);
2207				}
2208			else
2209				i=raw_read_stdin(buf,bufsize);
2210			if (!s_quiet)
2211				{
2212				if ((i <= 0) || (buf[0] == 'Q'))
2213					{
2214					BIO_printf(bio_s_out,"DONE\n");
2215					SHUTDOWN(s);
2216					close_accept_socket();
2217					ret= -11;
2218					goto err;
2219					}
2220				if ((i <= 0) || (buf[0] == 'q'))
2221					{
2222					BIO_printf(bio_s_out,"DONE\n");
2223					if (SSL_version(con) != DTLS1_VERSION)
2224                        SHUTDOWN(s);
2225	/*				close_accept_socket();
2226					ret= -11;*/
2227					goto err;
2228					}
2229
2230#ifndef OPENSSL_NO_HEARTBEATS
2231				if ((buf[0] == 'B') &&
2232					((buf[1] == '\n') || (buf[1] == '\r')))
2233					{
2234					BIO_printf(bio_err,"HEARTBEATING\n");
2235					SSL_heartbeat(con);
2236					i=0;
2237					continue;
2238					}
2239#endif
2240				if ((buf[0] == 'r') &&
2241					((buf[1] == '\n') || (buf[1] == '\r')))
2242					{
2243					SSL_renegotiate(con);
2244					i=SSL_do_handshake(con);
2245					printf("SSL_do_handshake -> %d\n",i);
2246					i=0; /*13; */
2247					continue;
2248					/* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2249					}
2250				if ((buf[0] == 'R') &&
2251					((buf[1] == '\n') || (buf[1] == '\r')))
2252					{
2253					SSL_set_verify(con,
2254						SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2255					SSL_renegotiate(con);
2256					i=SSL_do_handshake(con);
2257					printf("SSL_do_handshake -> %d\n",i);
2258					i=0; /* 13; */
2259					continue;
2260					/* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2261					}
2262				if (buf[0] == 'P')
2263					{
2264					static const char *str="Lets print some clear text\n";
2265					BIO_write(SSL_get_wbio(con),str,strlen(str));
2266					}
2267				if (buf[0] == 'S')
2268					{
2269					print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2270					}
2271				}
2272#ifdef CHARSET_EBCDIC
2273			ebcdic2ascii(buf,buf,i);
2274#endif
2275			l=k=0;
2276			for (;;)
2277				{
2278				/* should do a select for the write */
2279#ifdef RENEG
2280{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2281#endif
2282				k=SSL_write(con,&(buf[l]),(unsigned int)i);
2283#ifndef OPENSSL_NO_SRP
2284				while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2285					{
2286					BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2287					srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2288					if (srp_callback_parm.user)
2289						BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2290					else
2291						BIO_printf(bio_s_out,"LOOKUP not successful\n");
2292						k=SSL_write(con,&(buf[l]),(unsigned int)i);
2293					}
2294#endif
2295				switch (SSL_get_error(con,k))
2296					{
2297				case SSL_ERROR_NONE:
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					break;
2304				case SSL_ERROR_SYSCALL:
2305				case SSL_ERROR_SSL:
2306					BIO_printf(bio_s_out,"ERROR\n");
2307					ERR_print_errors(bio_err);
2308					ret=1;
2309					goto err;
2310					/* break; */
2311				case SSL_ERROR_ZERO_RETURN:
2312					BIO_printf(bio_s_out,"DONE\n");
2313					ret=1;
2314					goto err;
2315					}
2316				l+=k;
2317				i-=k;
2318				if (i <= 0) break;
2319				}
2320			}
2321		if (read_from_sslcon)
2322			{
2323			if (!SSL_is_init_finished(con))
2324				{
2325				i=init_ssl_connection(con);
2326
2327				if (i < 0)
2328					{
2329					ret=0;
2330					goto err;
2331					}
2332				else if (i == 0)
2333					{
2334					ret=1;
2335					goto err;
2336					}
2337				}
2338			else
2339				{
2340again:
2341				i=SSL_read(con,(char *)buf,bufsize);
2342#ifndef OPENSSL_NO_SRP
2343				while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2344					{
2345					BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2346					srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2347					if (srp_callback_parm.user)
2348						BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2349					else
2350						BIO_printf(bio_s_out,"LOOKUP not successful\n");
2351					i=SSL_read(con,(char *)buf,bufsize);
2352					}
2353#endif
2354				switch (SSL_get_error(con,i))
2355					{
2356				case SSL_ERROR_NONE:
2357#ifdef CHARSET_EBCDIC
2358					ascii2ebcdic(buf,buf,i);
2359#endif
2360					raw_write_stdout(buf,
2361						(unsigned int)i);
2362					if (SSL_pending(con)) goto again;
2363					break;
2364				case SSL_ERROR_WANT_WRITE:
2365				case SSL_ERROR_WANT_READ:
2366					BIO_printf(bio_s_out,"Read BLOCK\n");
2367					break;
2368				case SSL_ERROR_SYSCALL:
2369				case SSL_ERROR_SSL:
2370					BIO_printf(bio_s_out,"ERROR\n");
2371					ERR_print_errors(bio_err);
2372					ret=1;
2373					goto err;
2374				case SSL_ERROR_ZERO_RETURN:
2375					BIO_printf(bio_s_out,"DONE\n");
2376					ret=1;
2377					goto err;
2378					}
2379				}
2380			}
2381		}
2382err:
2383	if (con != NULL)
2384		{
2385		BIO_printf(bio_s_out,"shutting down SSL\n");
2386#if 1
2387		SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2388#else
2389		SSL_shutdown(con);
2390#endif
2391		SSL_free(con);
2392		}
2393	BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2394	if (buf != NULL)
2395		{
2396		OPENSSL_cleanse(buf,bufsize);
2397		OPENSSL_free(buf);
2398		}
2399	if (ret >= 0)
2400		BIO_printf(bio_s_out,"ACCEPT\n");
2401	return(ret);
2402	}
2403
2404static void close_accept_socket(void)
2405	{
2406	BIO_printf(bio_err,"shutdown accept socket\n");
2407	if (accept_socket >= 0)
2408		{
2409		SHUTDOWN2(accept_socket);
2410		}
2411	}
2412
2413static int init_ssl_connection(SSL *con)
2414	{
2415	int i;
2416	const char *str;
2417	X509 *peer;
2418	long verify_error;
2419	MS_STATIC char buf[BUFSIZ];
2420#ifndef OPENSSL_NO_KRB5
2421	char *client_princ;
2422#endif
2423#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2424	const unsigned char *next_proto_neg;
2425	unsigned next_proto_neg_len;
2426#endif
2427	unsigned char *exportedkeymat;
2428
2429
2430	i=SSL_accept(con);
2431#ifndef OPENSSL_NO_SRP
2432	while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2433		{
2434			BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2435			srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2436			if (srp_callback_parm.user)
2437				BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2438			else
2439				BIO_printf(bio_s_out,"LOOKUP not successful\n");
2440			i=SSL_accept(con);
2441		}
2442#endif
2443	if (i <= 0)
2444		{
2445		if (BIO_sock_should_retry(i))
2446			{
2447			BIO_printf(bio_s_out,"DELAY\n");
2448			return(1);
2449			}
2450
2451		BIO_printf(bio_err,"ERROR\n");
2452		verify_error=SSL_get_verify_result(con);
2453		if (verify_error != X509_V_OK)
2454			{
2455			BIO_printf(bio_err,"verify error:%s\n",
2456				X509_verify_cert_error_string(verify_error));
2457			}
2458		else
2459			ERR_print_errors(bio_err);
2460		return(0);
2461		}
2462
2463	PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2464
2465	peer=SSL_get_peer_certificate(con);
2466	if (peer != NULL)
2467		{
2468		BIO_printf(bio_s_out,"Client certificate\n");
2469		PEM_write_bio_X509(bio_s_out,peer);
2470		X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2471		BIO_printf(bio_s_out,"subject=%s\n",buf);
2472		X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2473		BIO_printf(bio_s_out,"issuer=%s\n",buf);
2474		X509_free(peer);
2475		}
2476
2477	if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2478		BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2479	str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2480	BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2481
2482#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2483	SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2484	if (next_proto_neg)
2485		{
2486		BIO_printf(bio_s_out,"NEXTPROTO is ");
2487		BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2488		BIO_printf(bio_s_out, "\n");
2489		}
2490#endif
2491#ifndef OPENSSL_NO_SRTP
2492	{
2493	SRTP_PROTECTION_PROFILE *srtp_profile
2494	  = SSL_get_selected_srtp_profile(con);
2495
2496	if(srtp_profile)
2497		BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2498			   srtp_profile->name);
2499	}
2500#endif
2501	if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2502	if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2503		TLS1_FLAGS_TLS_PADDING_BUG)
2504		BIO_printf(bio_s_out,
2505			   "Peer has incorrect TLSv1 block padding\n");
2506#ifndef OPENSSL_NO_KRB5
2507	client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2508	if (client_princ != NULL)
2509		{
2510		BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2511								client_princ);
2512		}
2513#endif /* OPENSSL_NO_KRB5 */
2514	BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2515		      SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2516	if (keymatexportlabel != NULL)
2517		{
2518		BIO_printf(bio_s_out, "Keying material exporter:\n");
2519		BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2520		BIO_printf(bio_s_out, "    Length: %i bytes\n",
2521			   keymatexportlen);
2522		exportedkeymat = OPENSSL_malloc(keymatexportlen);
2523		if (exportedkeymat != NULL)
2524			{
2525			if (!SSL_export_keying_material(con, exportedkeymat,
2526						        keymatexportlen,
2527						        keymatexportlabel,
2528						        strlen(keymatexportlabel),
2529						        NULL, 0, 0))
2530				{
2531				BIO_printf(bio_s_out, "    Error\n");
2532				}
2533			else
2534				{
2535				BIO_printf(bio_s_out, "    Keying material: ");
2536				for (i=0; i<keymatexportlen; i++)
2537					BIO_printf(bio_s_out, "%02X",
2538						   exportedkeymat[i]);
2539				BIO_printf(bio_s_out, "\n");
2540				}
2541			OPENSSL_free(exportedkeymat);
2542			}
2543		}
2544
2545	return(1);
2546	}
2547
2548#ifndef OPENSSL_NO_DH
2549static DH *load_dh_param(const char *dhfile)
2550	{
2551	DH *ret=NULL;
2552	BIO *bio;
2553
2554	if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2555		goto err;
2556	ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2557err:
2558	if (bio != NULL) BIO_free(bio);
2559	return(ret);
2560	}
2561#endif
2562#ifndef OPENSSL_NO_KRB5
2563	char *client_princ;
2564#endif
2565
2566#if 0
2567static int load_CA(SSL_CTX *ctx, char *file)
2568	{
2569	FILE *in;
2570	X509 *x=NULL;
2571
2572	if ((in=fopen(file,"r")) == NULL)
2573		return(0);
2574
2575	for (;;)
2576		{
2577		if (PEM_read_X509(in,&x,NULL) == NULL)
2578			break;
2579		SSL_CTX_add_client_CA(ctx,x);
2580		}
2581	if (x != NULL) X509_free(x);
2582	fclose(in);
2583	return(1);
2584	}
2585#endif
2586
2587static int www_body(char *hostname, int s, unsigned char *context)
2588	{
2589	char *buf=NULL;
2590	int ret=1;
2591	int i,j,k,dot;
2592	SSL *con;
2593	const SSL_CIPHER *c;
2594	BIO *io,*ssl_bio,*sbio;
2595#ifndef OPENSSL_NO_KRB5
2596	KSSL_CTX *kctx;
2597#endif
2598
2599	buf=OPENSSL_malloc(bufsize);
2600	if (buf == NULL) return(0);
2601	io=BIO_new(BIO_f_buffer());
2602	ssl_bio=BIO_new(BIO_f_ssl());
2603	if ((io == NULL) || (ssl_bio == NULL)) goto err;
2604
2605#ifdef FIONBIO
2606	if (s_nbio)
2607		{
2608		unsigned long sl=1;
2609
2610		if (!s_quiet)
2611			BIO_printf(bio_err,"turning on non blocking io\n");
2612		if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2613			ERR_print_errors(bio_err);
2614		}
2615#endif
2616
2617	/* lets make the output buffer a reasonable size */
2618	if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2619
2620	if ((con=SSL_new(ctx)) == NULL) goto err;
2621#ifndef OPENSSL_NO_TLSEXT
2622		if (s_tlsextdebug)
2623			{
2624			SSL_set_tlsext_debug_callback(con, tlsext_cb);
2625			SSL_set_tlsext_debug_arg(con, bio_s_out);
2626			}
2627#endif
2628#ifndef OPENSSL_NO_KRB5
2629	if ((kctx = kssl_ctx_new()) != NULL)
2630		{
2631		kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2632		kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2633		}
2634#endif	/* OPENSSL_NO_KRB5 */
2635	if(context) SSL_set_session_id_context(con, context,
2636					       strlen((char *)context));
2637
2638	sbio=BIO_new_socket(s,BIO_NOCLOSE);
2639	if (s_nbio_test)
2640		{
2641		BIO *test;
2642
2643		test=BIO_new(BIO_f_nbio_test());
2644		sbio=BIO_push(test,sbio);
2645		}
2646	SSL_set_bio(con,sbio,sbio);
2647	SSL_set_accept_state(con);
2648
2649	/* SSL_set_fd(con,s); */
2650	BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2651	BIO_push(io,ssl_bio);
2652#ifdef CHARSET_EBCDIC
2653	io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2654#endif
2655
2656	if (s_debug)
2657		{
2658		SSL_set_debug(con, 1);
2659		BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2660		BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2661		}
2662	if (s_msg)
2663		{
2664		SSL_set_msg_callback(con, msg_cb);
2665		SSL_set_msg_callback_arg(con, bio_s_out);
2666		}
2667
2668	for (;;)
2669		{
2670		if (hack)
2671			{
2672			i=SSL_accept(con);
2673#ifndef OPENSSL_NO_SRP
2674			while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2675		{
2676			BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2677			srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2678			if (srp_callback_parm.user)
2679				BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2680			else
2681				BIO_printf(bio_s_out,"LOOKUP not successful\n");
2682			i=SSL_accept(con);
2683		}
2684#endif
2685			switch (SSL_get_error(con,i))
2686				{
2687			case SSL_ERROR_NONE:
2688				break;
2689			case SSL_ERROR_WANT_WRITE:
2690			case SSL_ERROR_WANT_READ:
2691			case SSL_ERROR_WANT_X509_LOOKUP:
2692				continue;
2693			case SSL_ERROR_SYSCALL:
2694			case SSL_ERROR_SSL:
2695			case SSL_ERROR_ZERO_RETURN:
2696				ret=1;
2697				goto err;
2698				/* break; */
2699				}
2700
2701			SSL_renegotiate(con);
2702			SSL_write(con,NULL,0);
2703			}
2704
2705		i=BIO_gets(io,buf,bufsize-1);
2706		if (i < 0) /* error */
2707			{
2708			if (!BIO_should_retry(io))
2709				{
2710				if (!s_quiet)
2711					ERR_print_errors(bio_err);
2712				goto err;
2713				}
2714			else
2715				{
2716				BIO_printf(bio_s_out,"read R BLOCK\n");
2717#if defined(OPENSSL_SYS_NETWARE)
2718            delay(1000);
2719#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2720				sleep(1);
2721#endif
2722				continue;
2723				}
2724			}
2725		else if (i == 0) /* end of input */
2726			{
2727			ret=1;
2728			goto end;
2729			}
2730
2731		/* else we have data */
2732		if (	((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2733			((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2734			{
2735			char *p;
2736			X509 *peer;
2737			STACK_OF(SSL_CIPHER) *sk;
2738			static const char *space="                          ";
2739
2740			BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2741			BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2742			BIO_puts(io,"<pre>\n");
2743/*			BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2744			BIO_puts(io,"\n");
2745			for (i=0; i<local_argc; i++)
2746				{
2747				BIO_puts(io,local_argv[i]);
2748				BIO_write(io," ",1);
2749				}
2750			BIO_puts(io,"\n");
2751
2752			BIO_printf(io,
2753				"Secure Renegotiation IS%s supported\n",
2754		      		SSL_get_secure_renegotiation_support(con) ?
2755							"" : " NOT");
2756
2757			/* The following is evil and should not really
2758			 * be done */
2759			BIO_printf(io,"Ciphers supported in s_server binary\n");
2760			sk=SSL_get_ciphers(con);
2761			j=sk_SSL_CIPHER_num(sk);
2762			for (i=0; i<j; i++)
2763				{
2764				c=sk_SSL_CIPHER_value(sk,i);
2765				BIO_printf(io,"%-11s:%-25s",
2766					SSL_CIPHER_get_version(c),
2767					SSL_CIPHER_get_name(c));
2768				if ((((i+1)%2) == 0) && (i+1 != j))
2769					BIO_puts(io,"\n");
2770				}
2771			BIO_puts(io,"\n");
2772			p=SSL_get_shared_ciphers(con,buf,bufsize);
2773			if (p != NULL)
2774				{
2775				BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2776				j=i=0;
2777				while (*p)
2778					{
2779					if (*p == ':')
2780						{
2781						BIO_write(io,space,26-j);
2782						i++;
2783						j=0;
2784						BIO_write(io,((i%3)?" ":"\n"),1);
2785						}
2786					else
2787						{
2788						BIO_write(io,p,1);
2789						j++;
2790						}
2791					p++;
2792					}
2793				BIO_puts(io,"\n");
2794				}
2795			BIO_printf(io,(SSL_cache_hit(con)
2796				?"---\nReused, "
2797				:"---\nNew, "));
2798			c=SSL_get_current_cipher(con);
2799			BIO_printf(io,"%s, Cipher is %s\n",
2800				SSL_CIPHER_get_version(c),
2801				SSL_CIPHER_get_name(c));
2802			SSL_SESSION_print(io,SSL_get_session(con));
2803			BIO_printf(io,"---\n");
2804			print_stats(io,SSL_get_SSL_CTX(con));
2805			BIO_printf(io,"---\n");
2806			peer=SSL_get_peer_certificate(con);
2807			if (peer != NULL)
2808				{
2809				BIO_printf(io,"Client certificate\n");
2810				X509_print(io,peer);
2811				PEM_write_bio_X509(io,peer);
2812				}
2813			else
2814				BIO_puts(io,"no client certificate available\n");
2815			BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2816			break;
2817			}
2818		else if ((www == 2 || www == 3)
2819                         && (strncmp("GET /",buf,5) == 0))
2820			{
2821			BIO *file;
2822			char *p,*e;
2823			static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2824
2825			/* skip the '/' */
2826			p= &(buf[5]);
2827
2828			dot = 1;
2829			for (e=p; *e != '\0'; e++)
2830				{
2831				if (e[0] == ' ')
2832					break;
2833
2834				switch (dot)
2835					{
2836				case 1:
2837					dot = (e[0] == '.') ? 2 : 0;
2838					break;
2839				case 2:
2840					dot = (e[0] == '.') ? 3 : 0;
2841					break;
2842				case 3:
2843					dot = (e[0] == '/') ? -1 : 0;
2844					break;
2845					}
2846				if (dot == 0)
2847					dot = (e[0] == '/') ? 1 : 0;
2848				}
2849			dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2850
2851			if (*e == '\0')
2852				{
2853				BIO_puts(io,text);
2854				BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2855				break;
2856				}
2857			*e='\0';
2858
2859			if (dot)
2860				{
2861				BIO_puts(io,text);
2862				BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2863				break;
2864				}
2865
2866			if (*p == '/')
2867				{
2868				BIO_puts(io,text);
2869				BIO_printf(io,"'%s' is an invalid path\r\n",p);
2870				break;
2871				}
2872
2873#if 0
2874			/* append if a directory lookup */
2875			if (e[-1] == '/')
2876				strcat(p,"index.html");
2877#endif
2878
2879			/* if a directory, do the index thang */
2880			if (app_isdir(p)>0)
2881				{
2882#if 0 /* must check buffer size */
2883				strcat(p,"/index.html");
2884#else
2885				BIO_puts(io,text);
2886				BIO_printf(io,"'%s' is a directory\r\n",p);
2887				break;
2888#endif
2889				}
2890
2891			if ((file=BIO_new_file(p,"r")) == NULL)
2892				{
2893				BIO_puts(io,text);
2894				BIO_printf(io,"Error opening '%s'\r\n",p);
2895				ERR_print_errors(io);
2896				break;
2897				}
2898
2899			if (!s_quiet)
2900				BIO_printf(bio_err,"FILE:%s\n",p);
2901
2902                        if (www == 2)
2903                                {
2904                                i=strlen(p);
2905                                if (	((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2906                                        ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2907                                        ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2908                                        BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2909                                else
2910                                        BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2911                                }
2912			/* send the file */
2913			for (;;)
2914				{
2915				i=BIO_read(file,buf,bufsize);
2916				if (i <= 0) break;
2917
2918#ifdef RENEG
2919				total_bytes+=i;
2920				fprintf(stderr,"%d\n",i);
2921				if (total_bytes > 3*1024)
2922					{
2923					total_bytes=0;
2924					fprintf(stderr,"RENEGOTIATE\n");
2925					SSL_renegotiate(con);
2926					}
2927#endif
2928
2929				for (j=0; j<i; )
2930					{
2931#ifdef RENEG
2932{ static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2933#endif
2934					k=BIO_write(io,&(buf[j]),i-j);
2935					if (k <= 0)
2936						{
2937						if (!BIO_should_retry(io))
2938							goto write_error;
2939						else
2940							{
2941							BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2942							}
2943						}
2944					else
2945						{
2946						j+=k;
2947						}
2948					}
2949				}
2950write_error:
2951			BIO_free(file);
2952			break;
2953			}
2954		}
2955
2956	for (;;)
2957		{
2958		i=(int)BIO_flush(io);
2959		if (i <= 0)
2960			{
2961			if (!BIO_should_retry(io))
2962				break;
2963			}
2964		else
2965			break;
2966		}
2967end:
2968#if 1
2969	/* make sure we re-use sessions */
2970	SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2971#else
2972	/* This kills performance */
2973/*	SSL_shutdown(con); A shutdown gets sent in the
2974 *	BIO_free_all(io) procession */
2975#endif
2976
2977err:
2978
2979	if (ret >= 0)
2980		BIO_printf(bio_s_out,"ACCEPT\n");
2981
2982	if (buf != NULL) OPENSSL_free(buf);
2983	if (io != NULL) BIO_free_all(io);
2984/*	if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2985	return(ret);
2986	}
2987
2988#ifndef OPENSSL_NO_RSA
2989static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2990	{
2991	BIGNUM *bn = NULL;
2992	static RSA *rsa_tmp=NULL;
2993
2994	if (!rsa_tmp && ((bn = BN_new()) == NULL))
2995		BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2996	if (!rsa_tmp && bn)
2997		{
2998		if (!s_quiet)
2999			{
3000			BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3001			(void)BIO_flush(bio_err);
3002			}
3003		if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3004				!RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3005			{
3006			if(rsa_tmp) RSA_free(rsa_tmp);
3007			rsa_tmp = NULL;
3008			}
3009		if (!s_quiet)
3010			{
3011			BIO_printf(bio_err,"\n");
3012			(void)BIO_flush(bio_err);
3013			}
3014		BN_free(bn);
3015		}
3016	return(rsa_tmp);
3017	}
3018#endif
3019
3020#define MAX_SESSION_ID_ATTEMPTS 10
3021static int generate_session_id(const SSL *ssl, unsigned char *id,
3022				unsigned int *id_len)
3023	{
3024	unsigned int count = 0;
3025	do	{
3026		RAND_pseudo_bytes(id, *id_len);
3027		/* Prefix the session_id with the required prefix. NB: If our
3028		 * prefix is too long, clip it - but there will be worse effects
3029		 * anyway, eg. the server could only possibly create 1 session
3030		 * ID (ie. the prefix!) so all future session negotiations will
3031		 * fail due to conflicts. */
3032		memcpy(id, session_id_prefix,
3033			(strlen(session_id_prefix) < *id_len) ?
3034			strlen(session_id_prefix) : *id_len);
3035		}
3036	while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3037		(++count < MAX_SESSION_ID_ATTEMPTS));
3038	if(count >= MAX_SESSION_ID_ATTEMPTS)
3039		return 0;
3040	return 1;
3041	}
3042