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