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      1 /* apps/s_server.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
    108  * Hudson (tjh (at) 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
    170 typedef 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
    202 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
    203 #endif
    204 static int sv_body(char *hostname, int s, unsigned char *context);
    205 static int www_body(char *hostname, int s, unsigned char *context);
    206 static void close_accept_socket(void );
    207 static void sv_usage(void);
    208 static int init_ssl_connection(SSL *s);
    209 static void print_stats(BIO *bp,SSL_CTX *ctx);
    210 static int generate_session_id(const SSL *ssl, unsigned char *id,
    211 				unsigned int *id_len);
    212 #ifndef OPENSSL_NO_DH
    213 static DH *load_dh_param(const char *dhfile);
    214 static DH *get_dh512(void);
    215 #endif
    216 
    217 #ifdef MONOLITH
    218 static void s_server_init(void);
    219 #endif
    220 
    221 #ifndef OPENSSL_NO_DH
    222 static 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 	};
    230 static unsigned char dh512_g[]={
    231 	0x02,
    232 	};
    233 
    234 static 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
    252 static int bufsize=BUFSIZZ;
    253 static 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 
    262 extern int verify_depth, verify_return_error;
    263 
    264 static char *cipher=NULL;
    265 static int s_server_verify=SSL_VERIFY_NONE;
    266 static int s_server_session_id_context = 1; /* anything will do */
    267 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
    268 #ifndef OPENSSL_NO_TLSEXT
    269 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
    270 #endif
    271 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
    272 #ifdef FIONBIO
    273 static int s_nbio=0;
    274 #endif
    275 static int s_nbio_test=0;
    276 int s_crlf=0;
    277 static SSL_CTX *ctx=NULL;
    278 #ifndef OPENSSL_NO_TLSEXT
    279 static SSL_CTX *ctx2=NULL;
    280 #endif
    281 static int www=0;
    282 
    283 static BIO *bio_s_out=NULL;
    284 static int s_debug=0;
    285 #ifndef OPENSSL_NO_TLSEXT
    286 static int s_tlsextdebug=0;
    287 static int s_tlsextstatus=0;
    288 static int cert_status_cb(SSL *s, void *arg);
    289 #endif
    290 static int s_msg=0;
    291 static int s_quiet=0;
    292 
    293 static int hack=0;
    294 #ifndef OPENSSL_NO_ENGINE
    295 static char *engine_id=NULL;
    296 #endif
    297 static const char *session_id_prefix=NULL;
    298 
    299 static int enable_timeouts = 0;
    300 static long socket_mtu;
    301 #ifndef OPENSSL_NO_DTLS1
    302 static int cert_chain = 0;
    303 #endif
    304 
    305 #ifndef OPENSSL_NO_PSK
    306 static char *psk_identity="Client_identity";
    307 char *psk_key=NULL; /* by default PSK is not used */
    308 
    309 static 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
    373 static 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 
    405 static 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 
    501 static int local_argc=0;
    502 static char **local_argv;
    503 
    504 #ifdef CHARSET_EBCDIC
    505 static int ebcdic_new(BIO *bi);
    506 static int ebcdic_free(BIO *a);
    507 static int ebcdic_read(BIO *b, char *out, int outl);
    508 static int ebcdic_write(BIO *b, const char *in, int inl);
    509 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
    510 static int ebcdic_gets(BIO *bp, char *buf, int size);
    511 static int ebcdic_puts(BIO *bp, const char *str);
    512 
    513 #define BIO_TYPE_EBCDIC_FILTER	(18|0x0200)
    514 static 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 
    527 typedef struct
    528 {
    529 	size_t	alloced;
    530 	char	buff[1];
    531 } EBCDIC_OUTBUFF;
    532 
    533 BIO_METHOD *BIO_f_ebcdic_filter()
    534 {
    535 	return(&methods_ebcdic);
    536 }
    537 
    538 static 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 
    552 static 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 
    563 static 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 
    576 static 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 
    609 static 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 
    626 static 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 
    647 static 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 */
    657 typedef struct tlsextctx_st {
    658    char * servername;
    659    BIO * biodebug;
    660    int extension_error;
    661 } tlsextctx;
    662 
    663 
    664 static 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 
    689 typedef 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 
    698 static 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 
    711 static 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
    730 STACK_OF(OCSP_RESPID) *ids;
    731 SSL_get_tlsext_status_ids(s, &ids);
    732 BIO_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 */
    835 typedef struct tlsextnextprotoctx_st {
    836 	unsigned char *data;
    837 	unsigned int len;
    838 } tlsextnextprotoctx;
    839 
    840 static 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 
    852 int MAIN(int, char **);
    853 
    854 #ifndef OPENSSL_NO_JPAKE
    855 static char *jpake_secret = NULL;
    856 #endif
    857 
    858 int 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 		{
   1245 bad:
   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;
   1755 end:
   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 
   1785 static 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 
   1810 static 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 				{
   2144 again:
   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 		}
   2175 err:
   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 
   2197 static 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 
   2206 static 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
   2282 static 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);
   2290 err:
   2291 	if (bio != NULL) BIO_free(bio);
   2292 	return(ret);
   2293 	}
   2294 #endif
   2295 
   2296 #if 0
   2297 static 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 
   2317 static 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 				}
   2661 write_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 		}
   2678 end:
   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 
   2688 err:
   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
   2700 static 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
   2732 static 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