apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 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 static int cert_chain = 0;
 302
 303 #ifndef OPENSSL_NO_PSK
 304 static char *psk_identity="Client_identity";
 305 static char *psk_key=NULL; /* by default PSK is not used */
 306
 307 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 308         unsigned char *psk, unsigned int max_psk_len)
 309         {
 310         unsigned int psk_len = 0;
 311         int ret;
 312         BIGNUM *bn = NULL;
 313
 314         if (s_debug)
 315                 BIO_printf(bio_s_out,"psk_server_cb\n");
 316         if (!identity)
 317                 {
 318                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 319                 goto out_err;
 320                 }
 321         if (s_debug)
 322                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 323                         identity ? (int)strlen(identity) : 0, identity);
 324
 325         /* here we could lookup the given identity e.g. from a database */
 326         if (strcmp(identity, psk_identity) != 0)
 327                 {
 328                 BIO_printf(bio_s_out, "PSK error: client identity not found\n");
 329                 goto out_err;
 330                 }
 331         if (s_debug)
 332                 BIO_printf(bio_s_out, "PSK client identity found\n");
 333
 334         /* convert the PSK key to binary */
 335         ret = BN_hex2bn(&bn, psk_key);
 336         if (!ret)
 337                 {
 338                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 339                 if (bn)
 340                         BN_free(bn);
 341                 return 0;
 342                 }
 343         if (BN_num_bytes(bn) > (int)max_psk_len)
 344                 {
 345                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 346                         max_psk_len, BN_num_bytes(bn));
 347                 BN_free(bn);
 348                 return 0;
 349                 }
 350
 351         ret = BN_bn2bin(bn, psk);
 352         BN_free(bn);
 353
 354         if (ret < 0)
 355                 goto out_err;
 356         psk_len = (unsigned int)ret;
 357
 358         if (s_debug)
 359                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 360         return psk_len;
 361  out_err:
 362         if (s_debug)
 363                 BIO_printf(bio_err, "Error in PSK server callback\n");
 364         return 0;
 365         }
 366 #endif
 367
 368 #ifdef MONOLITH
 369 static void s_server_init(void)
 370         {
 371         accept_socket=-1;
 372         cipher=NULL;
 373         s_server_verify=SSL_VERIFY_NONE;
 374         s_dcert_file=NULL;
 375         s_dkey_file=NULL;
 376         s_cert_file=TEST_CERT;
 377         s_key_file=NULL;
 378 #ifndef OPENSSL_NO_TLSEXT
 379         s_cert_file2=TEST_CERT2;
 380         s_key_file2=NULL;
 381         ctx2=NULL;
 382 #endif
 383 #ifdef FIONBIO
 384         s_nbio=0;
 385 #endif
 386         s_nbio_test=0;
 387         ctx=NULL;
 388         www=0;
 389
 390         bio_s_out=NULL;
 391         s_debug=0;
 392         s_msg=0;
 393         s_quiet=0;
 394         hack=0;
 395 #ifndef OPENSSL_NO_ENGINE
 396         engine_id=NULL;
 397 #endif
 398         }
 399 #endif
 400
 401 static void sv_usage(void)
 402         {
 403         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 404         BIO_printf(bio_err,"\n");
 405         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 406         BIO_printf(bio_err," -context arg  - set session ID context\n");
 407         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 408         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 409         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 410         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 411         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 412                            "                 The CRL(s) are appended to the certificate file\n");
 413         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 414                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 415                            "                 the certificate file.\n");
 416         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 417         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 418         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 419         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 420         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 421         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 422         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 423         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 424         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 425         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 426         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 427         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 428 #ifndef OPENSSL_NO_ECDH
 429         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 430                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 431                            "                 (default is nistp256).\n");
 432 #endif
 433 #ifdef FIONBIO
 434         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 435 #endif
 436         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 437         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 438         BIO_printf(bio_err," -debug        - Print more output\n");
 439         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 440         BIO_printf(bio_err," -state        - Print the SSL states\n");
 441         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 442         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 443         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 444         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 445         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 446         BIO_printf(bio_err," -quiet        - No server output\n");
 447         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 448 #ifndef OPENSSL_NO_PSK
 449         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 450         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 451 #endif
 452         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 453         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 454         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 455         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 456         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 457         BIO_printf(bio_err," -mtu          - Set MTU\n");
 458         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 459         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 460         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 461         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 462 #ifndef OPENSSL_NO_DH
 463         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 464 #endif
 465 #ifndef OPENSSL_NO_ECDH
 466         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 467 #endif
 468         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 469         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 470         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 471         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 472         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 473 #ifndef OPENSSL_NO_ENGINE
 474         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 475 #endif
 476         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 477         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 478 #ifndef OPENSSL_NO_TLSEXT
 479         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 480         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 481         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 482         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 483         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 484         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 485         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 486         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 487 #endif
 488         }
 489
 490 static int local_argc=0;
 491 static char **local_argv;
 492
 493 #ifdef CHARSET_EBCDIC
 494 static int ebcdic_new(BIO *bi);
 495 static int ebcdic_free(BIO *a);
 496 static int ebcdic_read(BIO *b, char *out, int outl);
 497 static int ebcdic_write(BIO *b, const char *in, int inl);
 498 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 499 static int ebcdic_gets(BIO *bp, char *buf, int size);
 500 static int ebcdic_puts(BIO *bp, const char *str);
 501
 502 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 503 static BIO_METHOD methods_ebcdic=
 504         {
 505         BIO_TYPE_EBCDIC_FILTER,
 506         "EBCDIC/ASCII filter",
 507         ebcdic_write,
 508         ebcdic_read,
 509         ebcdic_puts,
 510         ebcdic_gets,
 511         ebcdic_ctrl,
 512         ebcdic_new,
 513         ebcdic_free,
 514         };
 515
 516 typedef struct
 517 {
 518         size_t  alloced;
 519         char    buff[1];
 520 } EBCDIC_OUTBUFF;
 521
 522 BIO_METHOD *BIO_f_ebcdic_filter()
 523 {
 524         return(&methods_ebcdic);
 525 }
 526
 527 static int ebcdic_new(BIO *bi)
 528 {
 529         EBCDIC_OUTBUFF *wbuf;
 530
 531         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 532         wbuf->alloced = 1024;
 533         wbuf->buff[0] = '\0';
 534
 535         bi->ptr=(char *)wbuf;
 536         bi->init=1;
 537         bi->flags=0;
 538         return(1);
 539 }
 540
 541 static int ebcdic_free(BIO *a)
 542 {
 543         if (a == NULL) return(0);
 544         if (a->ptr != NULL)
 545                 OPENSSL_free(a->ptr);
 546         a->ptr=NULL;
 547         a->init=0;
 548         a->flags=0;
 549         return(1);
 550 }
 551
 552 static int ebcdic_read(BIO *b, char *out, int outl)
 553 {
 554         int ret=0;
 555
 556         if (out == NULL || outl == 0) return(0);
 557         if (b->next_bio == NULL) return(0);
 558
 559         ret=BIO_read(b->next_bio,out,outl);
 560         if (ret > 0)
 561                 ascii2ebcdic(out,out,ret);
 562         return(ret);
 563 }
 564
 565 static int ebcdic_write(BIO *b, const char *in, int inl)
 566 {
 567         EBCDIC_OUTBUFF *wbuf;
 568         int ret=0;
 569         int num;
 570         unsigned char n;
 571
 572         if ((in == NULL) || (inl <= 0)) return(0);
 573         if (b->next_bio == NULL) return(0);
 574
 575         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 576
 577         if (inl > (num = wbuf->alloced))
 578         {
 579                 num = num + num;  /* double the size */
 580                 if (num < inl)
 581                         num = inl;
 582                 OPENSSL_free(wbuf);
 583                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 584
 585                 wbuf->alloced = num;
 586                 wbuf->buff[0] = '\0';
 587
 588                 b->ptr=(char *)wbuf;
 589         }
 590
 591         ebcdic2ascii(wbuf->buff, in, inl);
 592
 593         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 594
 595         return(ret);
 596 }
 597
 598 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 599 {
 600         long ret;
 601
 602         if (b->next_bio == NULL) return(0);
 603         switch (cmd)
 604         {
 605         case BIO_CTRL_DUP:
 606                 ret=0L;
 607                 break;
 608         default:
 609                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 610                 break;
 611         }
 612         return(ret);
 613 }
 614
 615 static int ebcdic_gets(BIO *bp, char *buf, int size)
 616 {
 617         int i, ret=0;
 618         if (bp->next_bio == NULL) return(0);
 619 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 620         for (i=0; i<size-1; ++i)
 621         {
 622                 ret = ebcdic_read(bp,&buf[i],1);
 623                 if (ret <= 0)
 624                         break;
 625                 else if (buf[i] == '\n')
 626                 {
 627                         ++i;
 628                         break;
 629                 }
 630         }
 631         if (i < size)
 632                 buf[i] = '\0';
 633         return (ret < 0 && i == 0) ? ret : i;
 634 }
 635
 636 static int ebcdic_puts(BIO *bp, const char *str)
 637 {
 638         if (bp->next_bio == NULL) return(0);
 639         return ebcdic_write(bp, str, strlen(str));
 640 }
 641 #endif
 642
 643 #ifndef OPENSSL_NO_TLSEXT
 644
 645 /* This is a context that we pass to callbacks */
 646 typedef struct tlsextctx_st {
 647    char * servername;
 648    BIO * biodebug;
 649    int extension_error;
 650 } tlsextctx;
 651
 652
 653 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 654         {
 655         tlsextctx * p = (tlsextctx *) arg;
 656         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 657         if (servername && p->biodebug)
 658                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 659
 660         if (!p->servername)
 661                 return SSL_TLSEXT_ERR_NOACK;
 662
 663         if (servername)
 664                 {
 665                 if (strcmp(servername,p->servername))
 666                         return p->extension_error;
 667                 if (ctx2)
 668                         {
 669                         BIO_printf(p->biodebug,"Swiching server context.\n");
 670                         SSL_set_SSL_CTX(s,ctx2);
 671                         }
 672                 }
 673         return SSL_TLSEXT_ERR_OK;
 674 }
 675
 676 /* Structure passed to cert status callback */
 677
 678 typedef struct tlsextstatusctx_st {
 679    /* Default responder to use */
 680    char *host, *path, *port;
 681    int use_ssl;
 682    int timeout;
 683    BIO *err;
 684    int verbose;
 685 } tlsextstatusctx;
 686
 687 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 688
 689 /* Certificate Status callback. This is called when a client includes a
 690  * certificate status request extension.
 691  *
 692  * This is a simplified version. It examines certificates each time and
 693  * makes one OCSP responder query for each request.
 694  *
 695  * A full version would store details such as the OCSP certificate IDs and
 696  * minimise the number of OCSP responses by caching them until they were
 697  * considered "expired".
 698  */
 699
 700 static int cert_status_cb(SSL *s, void *arg)
 701         {
 702         tlsextstatusctx *srctx = arg;
 703         BIO *err = srctx->err;
 704         char *host, *port, *path;
 705         int use_ssl;
 706         unsigned char *rspder = NULL;
 707         int rspderlen;
 708         STACK_OF(STRING) *aia = NULL;
 709         X509 *x = NULL;
 710         X509_STORE_CTX inctx;
 711         X509_OBJECT obj;
 712         OCSP_REQUEST *req = NULL;
 713         OCSP_RESPONSE *resp = NULL;
 714         OCSP_CERTID *id = NULL;
 715         STACK_OF(X509_EXTENSION) *exts;
 716         int ret = SSL_TLSEXT_ERR_NOACK;
 717         int i;
 718 #if 0
 719 STACK_OF(OCSP_RESPID) *ids;
 720 SSL_get_tlsext_status_ids(s, &ids);
 721 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 722 #endif
 723         if (srctx->verbose)
 724                 BIO_puts(err, "cert_status: callback called\n");
 725         /* Build up OCSP query from server certificate */
 726         x = SSL_get_certificate(s);
 727         aia = X509_get1_ocsp(x);
 728         if (aia)
 729                 {
 730                 if (!OCSP_parse_url(sk_STRING_value(aia, 0),
 731                         &host, &port, &path, &use_ssl))
 732                         {
 733                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 734                         goto err;
 735                         }
 736                 if (srctx->verbose)
 737                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 738                                         sk_STRING_value(aia, 0));
 739                 }
 740         else
 741                 {
 742                 if (!srctx->host)
 743                         {
 744                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 745                         goto done;
 746                         }
 747                 host = srctx->host;
 748                 path = srctx->path;
 749                 port = srctx->port;
 750                 use_ssl = srctx->use_ssl;
 751                 }
 752
 753         if (!X509_STORE_CTX_init(&inctx,
 754                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 755                                 NULL, NULL))
 756                 goto err;
 757         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 758                                 X509_get_issuer_name(x),&obj) <= 0)
 759                 {
 760                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 761                 X509_STORE_CTX_cleanup(&inctx);
 762                 goto done;
 763                 }
 764         req = OCSP_REQUEST_new();
 765         if (!req)
 766                 goto err;
 767         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 768         X509_free(obj.data.x509);
 769         X509_STORE_CTX_cleanup(&inctx);
 770         if (!id)
 771                 goto err;
 772         if (!OCSP_request_add0_id(req, id))
 773                 goto err;
 774         id = NULL;
 775         /* Add any extensions to the request */
 776         SSL_get_tlsext_status_exts(s, &exts);
 777         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 778                 {
 779                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 780                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 781                         goto err;
 782                 }
 783         resp = process_responder(err, req, host, path, port, use_ssl,
 784                                         srctx->timeout);
 785         if (!resp)
 786                 {
 787                 BIO_puts(err, "cert_status: error querying responder\n");
 788                 goto done;
 789                 }
 790         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 791         if (rspderlen <= 0)
 792                 goto err;
 793         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 794         if (srctx->verbose)
 795                 {
 796                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 797                 OCSP_RESPONSE_print(err, resp, 2);
 798                 }
 799         ret = SSL_TLSEXT_ERR_OK;
 800         done:
 801         if (ret != SSL_TLSEXT_ERR_OK)
 802                 ERR_print_errors(err);
 803         if (aia)
 804                 {
 805                 OPENSSL_free(host);
 806                 OPENSSL_free(path);
 807                 OPENSSL_free(port);
 808                 X509_email_free(aia);
 809                 }
 810         if (id)
 811                 OCSP_CERTID_free(id);
 812         if (req)
 813                 OCSP_REQUEST_free(req);
 814         if (resp)
 815                 OCSP_RESPONSE_free(resp);
 816         return ret;
 817         err:
 818         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 819         goto done;
 820         }
 821 #endif
 822
 823 int MAIN(int, char **);
 824
 825 #ifdef OPENSSL_EXPERIMENTAL_JPAKE
 826 static char *jpake_secret = NULL;
 827 #endif
 828
 829 int MAIN(int argc, char *argv[])
 830         {
 831         X509_STORE *store = NULL;
 832         int vflags = 0;
 833         short port=PORT;
 834         char *CApath=NULL,*CAfile=NULL;
 835         unsigned char *context = NULL;
 836         char *dhfile = NULL;
 837 #ifndef OPENSSL_NO_ECDH
 838         char *named_curve = NULL;
 839 #endif
 840         int badop=0,bugs=0;
 841         int ret=1;
 842         int off=0;
 843         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 844         int state=0;
 845         const SSL_METHOD *meth=NULL;
 846         int socket_type=SOCK_STREAM;
 847 #ifndef OPENSSL_NO_ENGINE
 848         ENGINE *e=NULL;
 849 #endif
 850         char *inrand=NULL;
 851         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 852         char *passarg = NULL, *pass = NULL;
 853         char *dpassarg = NULL, *dpass = NULL;
 854         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 855         X509 *s_cert = NULL, *s_dcert = NULL;
 856         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 857 #ifndef OPENSSL_NO_TLSEXT
 858         EVP_PKEY *s_key2 = NULL;
 859         X509 *s_cert2 = NULL;
 860 #endif
 861 #ifndef OPENSSL_NO_TLSEXT
 862         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 863 #endif
 864 #ifndef OPENSSL_NO_PSK
 865         /* by default do not send a PSK identity hint */
 866         static char *psk_identity_hint=NULL;
 867 #endif
 868 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 869         meth=SSLv23_server_method();
 870 #elif !defined(OPENSSL_NO_SSL3)
 871         meth=SSLv3_server_method();
 872 #elif !defined(OPENSSL_NO_SSL2)
 873         meth=SSLv2_server_method();
 874 #endif
 875
 876         local_argc=argc;
 877         local_argv=argv;
 878
 879         apps_startup();
 880 #ifdef MONOLITH
 881         s_server_init();
 882 #endif
 883
 884         if (bio_err == NULL)
 885                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 886
 887         if (!load_config(bio_err, NULL))
 888                 goto end;
 889
 890         verify_depth=0;
 891 #ifdef FIONBIO
 892         s_nbio=0;
 893 #endif
 894         s_nbio_test=0;
 895
 896         argc--;
 897         argv++;
 898
 899         while (argc >= 1)
 900                 {
 901                 if      ((strcmp(*argv,"-port") == 0) ||
 902                          (strcmp(*argv,"-accept") == 0))
 903                         {
 904                         if (--argc < 1) goto bad;
 905                         if (!extract_port(*(++argv),&port))
 906                                 goto bad;
 907                         }
 908                 else if (strcmp(*argv,"-verify") == 0)
 909                         {
 910                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
 911                         if (--argc < 1) goto bad;
 912                         verify_depth=atoi(*(++argv));
 913                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 914                         }
 915                 else if (strcmp(*argv,"-Verify") == 0)
 916                         {
 917                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
 918                                 SSL_VERIFY_CLIENT_ONCE;
 919                         if (--argc < 1) goto bad;
 920                         verify_depth=atoi(*(++argv));
 921                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
 922                         }
 923                 else if (strcmp(*argv,"-context") == 0)
 924                         {
 925                         if (--argc < 1) goto bad;
 926                         context= (unsigned char *)*(++argv);
 927                         }
 928                 else if (strcmp(*argv,"-cert") == 0)
 929                         {
 930                         if (--argc < 1) goto bad;
 931                         s_cert_file= *(++argv);
 932                         }
 933                 else if (strcmp(*argv,"-certform") == 0)
 934                         {
 935                         if (--argc < 1) goto bad;
 936                         s_cert_format = str2fmt(*(++argv));
 937                         }
 938                 else if (strcmp(*argv,"-key") == 0)
 939                         {
 940                         if (--argc < 1) goto bad;
 941                         s_key_file= *(++argv);
 942                         }
 943                 else if (strcmp(*argv,"-keyform") == 0)
 944                         {
 945                         if (--argc < 1) goto bad;
 946                         s_key_format = str2fmt(*(++argv));
 947                         }
 948                 else if (strcmp(*argv,"-pass") == 0)
 949                         {
 950                         if (--argc < 1) goto bad;
 951                         passarg = *(++argv);
 952                         }
 953                 else if (strcmp(*argv,"-dhparam") == 0)
 954                         {
 955                         if (--argc < 1) goto bad;
 956                         dhfile = *(++argv);
 957                         }
 958 #ifndef OPENSSL_NO_ECDH
 959                 else if (strcmp(*argv,"-named_curve") == 0)
 960                         {
 961                         if (--argc < 1) goto bad;
 962                         named_curve = *(++argv);
 963                         }
 964 #endif
 965                 else if (strcmp(*argv,"-dcertform") == 0)
 966                         {
 967                         if (--argc < 1) goto bad;
 968                         s_dcert_format = str2fmt(*(++argv));
 969                         }
 970                 else if (strcmp(*argv,"-dcert") == 0)
 971                         {
 972                         if (--argc < 1) goto bad;
 973                         s_dcert_file= *(++argv);
 974                         }
 975                 else if (strcmp(*argv,"-dkeyform") == 0)
 976                         {
 977                         if (--argc < 1) goto bad;
 978                         s_dkey_format = str2fmt(*(++argv));
 979                         }
 980                 else if (strcmp(*argv,"-dpass") == 0)
 981                         {
 982                         if (--argc < 1) goto bad;
 983                         dpassarg = *(++argv);
 984                         }
 985                 else if (strcmp(*argv,"-dkey") == 0)
 986                         {
 987                         if (--argc < 1) goto bad;
 988                         s_dkey_file= *(++argv);
 989                         }
 990                 else if (strcmp(*argv,"-nocert") == 0)
 991                         {
 992                         nocert=1;
 993                         }
 994                 else if (strcmp(*argv,"-CApath") == 0)
 995                         {
 996                         if (--argc < 1) goto bad;
 997                         CApath= *(++argv);
 998                         }
 999                 else if (strcmp(*argv,"-crl_check") == 0)
1000                         {
1001                         vflags |= X509_V_FLAG_CRL_CHECK;
1002                         }
1003                 else if (strcmp(*argv,"-crl_check_all") == 0)
1004                         {
1005                         vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
1006                         }
1007                 else if (strcmp(*argv,"-verify_return_error") == 0)
1008                         verify_return_error = 1;
1009                 else if (strcmp(*argv,"-serverpref") == 0)
1010                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1011                 else if (strcmp(*argv,"-cipher") == 0)
1012                         {
1013                         if (--argc < 1) goto bad;
1014                         cipher= *(++argv);
1015                         }
1016                 else if (strcmp(*argv,"-CAfile") == 0)
1017                         {
1018                         if (--argc < 1) goto bad;
1019                         CAfile= *(++argv);
1020                         }
1021 #ifdef FIONBIO
1022                 else if (strcmp(*argv,"-nbio") == 0)
1023                         { s_nbio=1; }
1024 #endif
1025                 else if (strcmp(*argv,"-nbio_test") == 0)
1026                         {
1027 #ifdef FIONBIO
1028                         s_nbio=1;
1029 #endif
1030                         s_nbio_test=1;
1031                         }
1032                 else if (strcmp(*argv,"-debug") == 0)
1033                         { s_debug=1; }
1034 #ifndef OPENSSL_NO_TLSEXT
1035                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1036                         s_tlsextdebug=1;
1037                 else if (strcmp(*argv,"-status") == 0)
1038                         s_tlsextstatus=1;
1039                 else if (strcmp(*argv,"-status_verbose") == 0)
1040                         {
1041                         s_tlsextstatus=1;
1042                         tlscstatp.verbose = 1;
1043                         }
1044                 else if (!strcmp(*argv, "-status_timeout"))
1045                         {
1046                         s_tlsextstatus=1;
1047                         if (--argc < 1) goto bad;
1048                         tlscstatp.timeout = atoi(*(++argv));
1049                         }
1050                 else if (!strcmp(*argv, "-status_url"))
1051                         {
1052                         s_tlsextstatus=1;
1053                         if (--argc < 1) goto bad;
1054                         if (!OCSP_parse_url(*(++argv),
1055                                         &tlscstatp.host,
1056                                         &tlscstatp.port,
1057                                         &tlscstatp.path,
1058                                         &tlscstatp.use_ssl))
1059                                 {
1060                                 BIO_printf(bio_err, "Error parsing URL\n");
1061                                 goto bad;
1062                                 }
1063                         }
1064 #endif
1065                 else if (strcmp(*argv,"-msg") == 0)
1066                         { s_msg=1; }
1067                 else if (strcmp(*argv,"-hack") == 0)
1068                         { hack=1; }
1069                 else if (strcmp(*argv,"-state") == 0)
1070                         { state=1; }
1071                 else if (strcmp(*argv,"-crlf") == 0)
1072                         { s_crlf=1; }
1073                 else if (strcmp(*argv,"-quiet") == 0)
1074                         { s_quiet=1; }
1075                 else if (strcmp(*argv,"-bugs") == 0)
1076                         { bugs=1; }
1077                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1078                         { no_tmp_rsa=1; }
1079                 else if (strcmp(*argv,"-no_dhe") == 0)
1080                         { no_dhe=1; }
1081                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1082                         { no_ecdhe=1; }
1083 #ifndef OPENSSL_NO_PSK
1084                 else if (strcmp(*argv,"-psk_hint") == 0)
1085                         {
1086                         if (--argc < 1) goto bad;
1087                         psk_identity_hint= *(++argv);
1088                         }
1089                 else if (strcmp(*argv,"-psk") == 0)
1090                         {
1091                         size_t i;
1092
1093                         if (--argc < 1) goto bad;
1094                         psk_key=*(++argv);
1095                         for (i=0; i<strlen(psk_key); i++)
1096                                 {
1097                                 if (isxdigit((int)psk_key[i]))
1098                                         continue;
1099                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1100                                 goto bad;
1101                                 }
1102                         }
1103 #endif
1104                 else if (strcmp(*argv,"-www") == 0)
1105                         { www=1; }
1106                 else if (strcmp(*argv,"-WWW") == 0)
1107                         { www=2; }
1108                 else if (strcmp(*argv,"-HTTP") == 0)
1109                         { www=3; }
1110                 else if (strcmp(*argv,"-no_ssl2") == 0)
1111                         { off|=SSL_OP_NO_SSLv2; }
1112                 else if (strcmp(*argv,"-no_ssl3") == 0)
1113                         { off|=SSL_OP_NO_SSLv3; }
1114                 else if (strcmp(*argv,"-no_tls1") == 0)
1115                         { off|=SSL_OP_NO_TLSv1; }
1116                 else if (strcmp(*argv,"-no_comp") == 0)
1117                         { off|=SSL_OP_NO_COMPRESSION; }
1118 #ifndef OPENSSL_NO_TLSEXT
1119                 else if (strcmp(*argv,"-no_ticket") == 0)
1120                         { off|=SSL_OP_NO_TICKET; }
1121 #endif
1122 #ifndef OPENSSL_NO_SSL2
1123                 else if (strcmp(*argv,"-ssl2") == 0)
1124                         { meth=SSLv2_server_method(); }
1125 #endif
1126 #ifndef OPENSSL_NO_SSL3
1127                 else if (strcmp(*argv,"-ssl3") == 0)
1128                         { meth=SSLv3_server_method(); }
1129 #endif
1130 #ifndef OPENSSL_NO_TLS1
1131                 else if (strcmp(*argv,"-tls1") == 0)
1132                         { meth=TLSv1_server_method(); }
1133 #endif
1134 #ifndef OPENSSL_NO_DTLS1
1135                 else if (strcmp(*argv,"-dtls1") == 0)
1136                         {
1137                         meth=DTLSv1_server_method();
1138                         socket_type = SOCK_DGRAM;
1139                         }
1140                 else if (strcmp(*argv,"-timeout") == 0)
1141                         enable_timeouts = 1;
1142                 else if (strcmp(*argv,"-mtu") == 0)
1143                         {
1144                         if (--argc < 1) goto bad;
1145                         socket_mtu = atol(*(++argv));
1146                         }
1147                 else if (strcmp(*argv, "-chain") == 0)
1148                         cert_chain = 1;
1149 #endif
1150                 else if (strcmp(*argv, "-id_prefix") == 0)
1151                         {
1152                         if (--argc < 1) goto bad;
1153                         session_id_prefix = *(++argv);
1154                         }
1155 #ifndef OPENSSL_NO_ENGINE
1156                 else if (strcmp(*argv,"-engine") == 0)
1157                         {
1158                         if (--argc < 1) goto bad;
1159                         engine_id= *(++argv);
1160                         }
1161 #endif
1162                 else if (strcmp(*argv,"-rand") == 0)
1163                         {
1164                         if (--argc < 1) goto bad;
1165                         inrand= *(++argv);
1166                         }
1167 #ifndef OPENSSL_NO_TLSEXT
1168                 else if (strcmp(*argv,"-servername") == 0)
1169                         {
1170                         if (--argc < 1) goto bad;
1171                         tlsextcbp.servername= *(++argv);
1172                         }
1173                 else if (strcmp(*argv,"-servername_fatal") == 0)
1174                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1175                 else if (strcmp(*argv,"-cert2") == 0)
1176                         {
1177                         if (--argc < 1) goto bad;
1178                         s_cert_file2= *(++argv);
1179                         }
1180                 else if (strcmp(*argv,"-key2") == 0)
1181                         {
1182                         if (--argc < 1) goto bad;
1183                         s_key_file2= *(++argv);
1184                         }
1185
1186 #endif
1187 #ifdef OPENSSL_EXPERIMENTAL_JPAKE
1188                 else if (strcmp(*argv,"-jpake") == 0)
1189                         {
1190                         if (--argc < 1) goto bad;
1191                         jpake_secret = *(++argv);
1192                         }
1193 #endif
1194                 else
1195                         {
1196                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1197                         badop=1;
1198                         break;
1199                         }
1200                 argc--;
1201                 argv++;
1202                 }
1203         if (badop)
1204                 {
1205 bad:
1206                 sv_usage();
1207                 goto end;
1208                 }
1209
1210         SSL_load_error_strings();
1211         OpenSSL_add_ssl_algorithms();
1212
1213 #ifndef OPENSSL_NO_ENGINE
1214         e = setup_engine(bio_err, engine_id, 1);
1215 #endif
1216
1217         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1218                 {
1219                 BIO_printf(bio_err, "Error getting password\n");
1220                 goto end;
1221                 }
1222
1223
1224         if (s_key_file == NULL)
1225                 s_key_file = s_cert_file;
1226 #ifndef OPENSSL_NO_TLSEXT
1227         if (s_key_file2 == NULL)
1228                 s_key_file2 = s_cert_file2;
1229 #endif
1230
1231         if (nocert == 0)
1232                 {
1233                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1234                        "server certificate private key file");
1235                 if (!s_key)
1236                         {
1237                         ERR_print_errors(bio_err);
1238                         goto end;
1239                         }
1240
1241                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1242                         NULL, e, "server certificate file");
1243
1244                 if (!s_cert)
1245                         {
1246                         ERR_print_errors(bio_err);
1247                         goto end;
1248                         }
1249
1250 #ifndef OPENSSL_NO_TLSEXT
1251                 if (tlsextcbp.servername)
1252                         {
1253                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1254                                 "second server certificate private key file");
1255                         if (!s_key2)
1256                                 {
1257                                 ERR_print_errors(bio_err);
1258                                 goto end;
1259                                 }
1260
1261                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1262                                 NULL, e, "second server certificate file");
1263
1264                         if (!s_cert2)
1265                                 {
1266                                 ERR_print_errors(bio_err);
1267                                 goto end;
1268                                 }
1269                         }
1270 #endif
1271                 }
1272
1273
1274         if (s_dcert_file)
1275                 {
1276
1277                 if (s_dkey_file == NULL)
1278                         s_dkey_file = s_dcert_file;
1279
1280                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1281                                 0, dpass, e,
1282                                "second certificate private key file");
1283                 if (!s_dkey)
1284                         {
1285                         ERR_print_errors(bio_err);
1286                         goto end;
1287                         }
1288
1289                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1290                                 NULL, e, "second server certificate file");
1291
1292                 if (!s_dcert)
1293                         {
1294                         ERR_print_errors(bio_err);
1295                         goto end;
1296                         }
1297
1298                 }
1299
1300         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1301                 && !RAND_status())
1302                 {
1303                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1304                 }
1305         if (inrand != NULL)
1306                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1307                         app_RAND_load_files(inrand));
1308
1309         if (bio_s_out == NULL)
1310                 {
1311                 if (s_quiet && !s_debug && !s_msg)
1312                         {
1313                         bio_s_out=BIO_new(BIO_s_null());
1314                         }
1315                 else
1316                         {
1317                         if (bio_s_out == NULL)
1318                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1319                         }
1320                 }
1321
1322 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1323         if (nocert)
1324 #endif
1325                 {
1326                 s_cert_file=NULL;
1327                 s_key_file=NULL;
1328                 s_dcert_file=NULL;
1329                 s_dkey_file=NULL;
1330 #ifndef OPENSSL_NO_TLSEXT
1331                 s_cert_file2=NULL;
1332                 s_key_file2=NULL;
1333 #endif
1334                 }
1335
1336         ctx=SSL_CTX_new(meth);
1337         if (ctx == NULL)
1338                 {
1339                 ERR_print_errors(bio_err);
1340                 goto end;
1341                 }
1342         if (session_id_prefix)
1343                 {
1344                 if(strlen(session_id_prefix) >= 32)
1345                         BIO_printf(bio_err,
1346 "warning: id_prefix is too long, only one new session will be possible\n");
1347                 else if(strlen(session_id_prefix) >= 16)
1348                         BIO_printf(bio_err,
1349 "warning: id_prefix is too long if you use SSLv2\n");
1350                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1351                         {
1352                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1353                         ERR_print_errors(bio_err);
1354                         goto end;
1355                         }
1356                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1357                 }
1358         SSL_CTX_set_quiet_shutdown(ctx,1);
1359         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1360         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1361         SSL_CTX_set_options(ctx,off);
1362         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1363          * Setting read ahead solves this problem.
1364          */
1365         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1366
1367         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1368
1369         SSL_CTX_sess_set_cache_size(ctx,128);
1370
1371 #if 0
1372         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1373 #endif
1374
1375 #if 0
1376         if (s_cert_file == NULL)
1377                 {
1378                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1379                 goto end;
1380                 }
1381 #endif
1382
1383         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1384                 (!SSL_CTX_set_default_verify_paths(ctx)))
1385                 {
1386                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1387                 ERR_print_errors(bio_err);
1388                 /* goto end; */
1389                 }
1390         store = SSL_CTX_get_cert_store(ctx);
1391         X509_STORE_set_flags(store, vflags);
1392
1393 #ifndef OPENSSL_NO_TLSEXT
1394         if (s_cert2)
1395                 {
1396                 ctx2=SSL_CTX_new(meth);
1397                 if (ctx2 == NULL)
1398                         {
1399                         ERR_print_errors(bio_err);
1400                         goto end;
1401                         }
1402                 }
1403
1404         if (ctx2)
1405                 {
1406                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1407
1408                 if (session_id_prefix)
1409                         {
1410                         if(strlen(session_id_prefix) >= 32)
1411                                 BIO_printf(bio_err,
1412                                         "warning: id_prefix is too long, only one new session will be possible\n");
1413                         else if(strlen(session_id_prefix) >= 16)
1414                                 BIO_printf(bio_err,
1415                                         "warning: id_prefix is too long if you use SSLv2\n");
1416                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1417                                 {
1418                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1419                                 ERR_print_errors(bio_err);
1420                                 goto end;
1421                                 }
1422                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1423                         }
1424                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1425                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1426                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1427                 SSL_CTX_set_options(ctx2,off);
1428                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1429                  * Setting read ahead solves this problem.
1430                  */
1431                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1432
1433                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1434
1435                 SSL_CTX_sess_set_cache_size(ctx2,128);
1436
1437                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1438                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1439                         {
1440                         ERR_print_errors(bio_err);
1441                         }
1442                 store = SSL_CTX_get_cert_store(ctx2);
1443                 X509_STORE_set_flags(store, vflags);
1444                 }
1445 #endif
1446
1447 #ifndef OPENSSL_NO_DH
1448         if (!no_dhe)
1449                 {
1450                 DH *dh=NULL;
1451
1452                 if (dhfile)
1453                         dh = load_dh_param(dhfile);
1454                 else if (s_cert_file)
1455                         dh = load_dh_param(s_cert_file);
1456
1457                 if (dh != NULL)
1458                         {
1459                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1460                         }
1461                 else
1462                         {
1463                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1464                         dh=get_dh512();
1465                         }
1466                 (void)BIO_flush(bio_s_out);
1467
1468                 SSL_CTX_set_tmp_dh(ctx,dh);
1469 #ifndef OPENSSL_NO_TLSEXT
1470                 if (ctx2)
1471                         {
1472                         if (!dhfile)
1473                                 {
1474                                 DH *dh2=load_dh_param(s_cert_file2);
1475                                 if (dh2 != NULL)
1476                                         {
1477                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1478                                         (void)BIO_flush(bio_s_out);
1479
1480                                         DH_free(dh);
1481                                         dh = dh2;
1482                                         }
1483                                 }
1484                         SSL_CTX_set_tmp_dh(ctx2,dh);
1485                         }
1486 #endif
1487                 DH_free(dh);
1488                 }
1489 #endif
1490
1491 #ifndef OPENSSL_NO_ECDH
1492         if (!no_ecdhe)
1493                 {
1494                 EC_KEY *ecdh=NULL;
1495
1496                 if (named_curve)
1497                         {
1498                         int nid = OBJ_sn2nid(named_curve);
1499
1500                         if (nid == 0)
1501                                 {
1502                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1503                                         named_curve);
1504                                 goto end;
1505                                 }
1506                         ecdh = EC_KEY_new_by_curve_name(nid);
1507                         if (ecdh == NULL)
1508                                 {
1509                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1510                                         named_curve);
1511                                 goto end;
1512                                 }
1513                         }
1514
1515                 if (ecdh != NULL)
1516                         {
1517                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1518                         }
1519                 else
1520                         {
1521                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1522                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1523                         if (ecdh == NULL)
1524                                 {
1525                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1526                                 goto end;
1527                                 }
1528                         }
1529                 (void)BIO_flush(bio_s_out);
1530
1531                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1532 #ifndef OPENSSL_NO_TLSEXT
1533                 if (ctx2)
1534                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1535 #endif
1536                 EC_KEY_free(ecdh);
1537                 }
1538 #endif
1539
1540         if (!set_cert_key_stuff(ctx,s_cert,s_key))
1541                 goto end;
1542 #ifndef OPENSSL_NO_TLSEXT
1543         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1544                 goto end;
1545 #endif
1546         if (s_dcert != NULL)
1547                 {
1548                 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1549                         goto end;
1550                 }
1551
1552 #ifndef OPENSSL_NO_RSA
1553 #if 1
1554         if (!no_tmp_rsa)
1555                 {
1556                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1557 #ifndef OPENSSL_NO_TLSEXT
1558                 if (ctx2)
1559                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1560 #endif
1561                 }
1562 #else
1563         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1564                 {
1565                 RSA *rsa;
1566
1567                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1568                 BIO_flush(bio_s_out);
1569
1570                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1571
1572                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1573                         {
1574                         ERR_print_errors(bio_err);
1575                         goto end;
1576                         }
1577 #ifndef OPENSSL_NO_TLSEXT
1578                         if (ctx2)
1579                                 {
1580                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1581                                         {
1582                                         ERR_print_errors(bio_err);
1583                                         goto end;
1584                                         }
1585                                 }
1586 #endif
1587                 RSA_free(rsa);
1588                 BIO_printf(bio_s_out,"\n");
1589                 }
1590 #endif
1591 #endif
1592
1593 #ifndef OPENSSL_NO_PSK
1594         if (psk_key != NULL)
1595                 {
1596                 if (s_debug)
1597                         BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
1598                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1599                 }
1600
1601         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1602                 {
1603                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1604                 ERR_print_errors(bio_err);
1605                 goto end;
1606                 }
1607 #endif
1608
1609         if (cipher != NULL)
1610                 {
1611                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1612                         {
1613                         BIO_printf(bio_err,"error setting cipher list\n");
1614                         ERR_print_errors(bio_err);
1615                         goto end;
1616                         }
1617 #ifndef OPENSSL_NO_TLSEXT
1618                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1619                         {
1620                         BIO_printf(bio_err,"error setting cipher list\n");
1621                         ERR_print_errors(bio_err);
1622                         goto end;
1623                         }
1624 #endif
1625                 }
1626         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1627         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1628                 sizeof s_server_session_id_context);
1629
1630 #ifndef OPENSSL_NO_TLSEXT
1631         if (ctx2)
1632                 {
1633                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1634                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1635                         sizeof s_server_session_id_context);
1636
1637                 tlsextcbp.biodebug = bio_s_out;
1638                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1639                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1640                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1641                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1642                 }
1643 #endif
1644
1645         if (CAfile != NULL)
1646                 {
1647                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1648 #ifndef OPENSSL_NO_TLSEXT
1649                 if (ctx2)
1650                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1651 #endif
1652                 }
1653
1654         BIO_printf(bio_s_out,"ACCEPT\n");
1655         (void)BIO_flush(bio_s_out);
1656         if (www)
1657                 do_server(port,socket_type,&accept_socket,www_body, context);
1658         else
1659                 do_server(port,socket_type,&accept_socket,sv_body, context);
1660         print_stats(bio_s_out,ctx);
1661         ret=0;
1662 end:
1663         if (ctx != NULL) SSL_CTX_free(ctx);
1664         if (s_cert)
1665                 X509_free(s_cert);
1666         if (s_dcert)
1667                 X509_free(s_dcert);
1668         if (s_key)
1669                 EVP_PKEY_free(s_key);
1670         if (s_dkey)
1671                 EVP_PKEY_free(s_dkey);
1672         if (pass)
1673                 OPENSSL_free(pass);
1674         if (dpass)
1675                 OPENSSL_free(dpass);
1676 #ifndef OPENSSL_NO_TLSEXT
1677         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1678         if (s_cert2)
1679                 X509_free(s_cert2);
1680         if (s_key2)
1681                 EVP_PKEY_free(s_key2);
1682 #endif
1683         if (bio_s_out != NULL)
1684                 {
1685         BIO_free(bio_s_out);
1686                 bio_s_out=NULL;
1687                 }
1688         apps_shutdown();
1689         OPENSSL_EXIT(ret);
1690         }
1691
1692 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1693         {
1694         BIO_printf(bio,"%4ld items in the session cache\n",
1695                 SSL_CTX_sess_number(ssl_ctx));
1696         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1697                 SSL_CTX_sess_connect(ssl_ctx));
1698         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1699                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1700         BIO_printf(bio,"%4ld client connects that finished\n",
1701                 SSL_CTX_sess_connect_good(ssl_ctx));
1702         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1703                 SSL_CTX_sess_accept(ssl_ctx));
1704         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1705                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1706         BIO_printf(bio,"%4ld server accepts that finished\n",
1707                 SSL_CTX_sess_accept_good(ssl_ctx));
1708         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1709         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1710         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1711         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1712         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1713                 SSL_CTX_sess_cache_full(ssl_ctx),
1714                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1715         }
1716
1717 static int sv_body(char *hostname, int s, unsigned char *context)
1718         {
1719         char *buf=NULL;
1720         fd_set readfds;
1721         int ret=1,width;
1722         int k,i;
1723         unsigned long l;
1724         SSL *con=NULL;
1725         BIO *sbio;
1726 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1727         struct timeval tv;
1728 #endif
1729
1730         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1731                 {
1732                 BIO_printf(bio_err,"out of memory\n");
1733                 goto err;
1734                 }
1735 #ifdef FIONBIO
1736         if (s_nbio)
1737                 {
1738                 unsigned long sl=1;
1739
1740                 if (!s_quiet)
1741                         BIO_printf(bio_err,"turning on non blocking io\n");
1742                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1743                         ERR_print_errors(bio_err);
1744                 }
1745 #endif
1746
1747         if (con == NULL) {
1748                 con=SSL_new(ctx);
1749 #ifndef OPENSSL_NO_TLSEXT
1750         if (s_tlsextdebug)
1751                 {
1752                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1753                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1754                 }
1755         if (s_tlsextstatus)
1756                 {
1757                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1758                 tlscstatp.err = bio_err;
1759                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1760                 }
1761 #endif
1762 #ifndef OPENSSL_NO_KRB5
1763                 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1764                         {
1765                         kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1766                                                                 KRB5SVC);
1767                         kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1768                                                                 KRB5KEYTAB);
1769                         }
1770 #endif  /* OPENSSL_NO_KRB5 */
1771                 if(context)
1772                       SSL_set_session_id_context(con, context,
1773                                                  strlen((char *)context));
1774         }
1775         SSL_clear(con);
1776 #if 0
1777 #ifdef TLSEXT_TYPE_opaque_prf_input
1778         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
1779 #endif
1780 #endif
1781
1782         if (SSL_version(con) == DTLS1_VERSION)
1783                 {
1784                 struct timeval timeout;
1785
1786                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1787
1788                 if (enable_timeouts)
1789                         {
1790                         timeout.tv_sec = 0;
1791                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1792                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1793
1794                         timeout.tv_sec = 0;
1795                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1796                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1797                         }
1798
1799                 if (socket_mtu > 0)
1800                         {
1801                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1802                         SSL_set_mtu(con, socket_mtu);
1803                         }
1804                 else
1805                         /* want to do MTU discovery */
1806                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1807
1808         /* turn on cookie exchange */
1809         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1810                 }
1811         else
1812                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1813
1814         if (s_nbio_test)
1815                 {
1816                 BIO *test;
1817
1818                 test=BIO_new(BIO_f_nbio_test());
1819                 sbio=BIO_push(test,sbio);
1820                 }
1821 #ifdef OPENSSL_EXPERIMENTAL_JPAKE
1822         if(jpake_secret)
1823                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
1824 #endif
1825
1826         SSL_set_bio(con,sbio,sbio);
1827         SSL_set_accept_state(con);
1828         /* SSL_set_fd(con,s); */
1829
1830         if (s_debug)
1831                 {
1832                 con->debug=1;
1833                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1834                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1835                 }
1836         if (s_msg)
1837                 {
1838                 SSL_set_msg_callback(con, msg_cb);
1839                 SSL_set_msg_callback_arg(con, bio_s_out);
1840                 }
1841 #ifndef OPENSSL_NO_TLSEXT
1842         if (s_tlsextdebug)
1843                 {
1844                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1845                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1846                 }
1847 #endif
1848
1849         width=s+1;
1850         for (;;)
1851                 {
1852                 int read_from_terminal;
1853                 int read_from_sslcon;
1854
1855                 read_from_terminal = 0;
1856                 read_from_sslcon = SSL_pending(con);
1857
1858                 if (!read_from_sslcon)
1859                         {
1860                         FD_ZERO(&readfds);
1861 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
1862                         openssl_fdset(fileno(stdin),&readfds);
1863 #endif
1864                         openssl_fdset(s,&readfds);
1865                         /* Note: under VMS with SOCKETSHR the second parameter is
1866                          * currently of type (int *) whereas under other systems
1867                          * it is (void *) if you don't have a cast it will choke
1868                          * the compiler: if you do have a cast then you can either
1869                          * go for (int *) or (void *).
1870                          */
1871 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1872                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
1873                          * on sockets. As a workaround we timeout the select every
1874                          * second and check for any keypress. In a proper Windows
1875                          * application we wouldn't do this because it is inefficient.
1876                          */
1877                         tv.tv_sec = 1;
1878                         tv.tv_usec = 0;
1879                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
1880                         if((i < 0) || (!i && !_kbhit() ) )continue;
1881                         if(_kbhit())
1882                                 read_from_terminal = 1;
1883 #elif defined(OPENSSL_SYS_BEOS_R5)
1884                         /* Under BeOS-R5 the situation is similar to DOS */
1885                         tv.tv_sec = 1;
1886                         tv.tv_usec = 0;
1887                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1888                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
1889                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
1890                                 continue;
1891                         if (read(fileno(stdin), buf, 0) >= 0)
1892                                 read_from_terminal = 1;
1893                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1894 #else
1895                         i=select(width,(void *)&readfds,NULL,NULL,NULL);
1896                         if (i <= 0) continue;
1897                         if (FD_ISSET(fileno(stdin),&readfds))
1898                                 read_from_terminal = 1;
1899 #endif
1900                         if (FD_ISSET(s,&readfds))
1901                                 read_from_sslcon = 1;
1902                         }
1903                 if (read_from_terminal)
1904                         {
1905                         if (s_crlf)
1906                                 {
1907                                 int j, lf_num;
1908
1909                                 i=raw_read_stdin(buf, bufsize/2);
1910                                 lf_num = 0;
1911                                 /* both loops are skipped when i <= 0 */
1912                                 for (j = 0; j < i; j++)
1913                                         if (buf[j] == '\n')
1914                                                 lf_num++;
1915                                 for (j = i-1; j >= 0; j--)
1916                                         {
1917                                         buf[j+lf_num] = buf[j];
1918                                         if (buf[j] == '\n')
1919                                                 {
1920                                                 lf_num--;
1921                                                 i++;
1922                                                 buf[j+lf_num] = '\r';
1923                                                 }
1924                                         }
1925                                 assert(lf_num == 0);
1926                                 }
1927                         else
1928                                 i=raw_read_stdin(buf,bufsize);
1929                         if (!s_quiet)
1930                                 {
1931                                 if ((i <= 0) || (buf[0] == 'Q'))
1932                                         {
1933                                         BIO_printf(bio_s_out,"DONE\n");
1934                                         SHUTDOWN(s);
1935                                         close_accept_socket();
1936                                         ret= -11;
1937                                         goto err;
1938                                         }
1939                                 if ((i <= 0) || (buf[0] == 'q'))
1940                                         {
1941                                         BIO_printf(bio_s_out,"DONE\n");
1942                                         if (SSL_version(con) != DTLS1_VERSION)
1943                         SHUTDOWN(s);
1944         /*                              close_accept_socket();
1945                                         ret= -11;*/
1946                                         goto err;
1947                                         }
1948
1949                                 if ((buf[0] == 'r') &&
1950                                         ((buf[1] == '\n') || (buf[1] == '\r')))
1951                                         {
1952                                         SSL_renegotiate(con);
1953                                         i=SSL_do_handshake(con);
1954                                         printf("SSL_do_handshake -> %d\n",i);
1955                                         i=0; /*13; */
1956                                         continue;
1957                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
1958                                         }
1959                                 if ((buf[0] == 'R') &&
1960                                         ((buf[1] == '\n') || (buf[1] == '\r')))
1961                                         {
1962                                         SSL_set_verify(con,
1963                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1964                                         SSL_renegotiate(con);
1965                                         i=SSL_do_handshake(con);
1966                                         printf("SSL_do_handshake -> %d\n",i);
1967                                         i=0; /* 13; */
1968                                         continue;
1969                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1970                                         }
1971                                 if (buf[0] == 'P')
1972                                         {
1973                                         static const char *str="Lets print some clear text\n";
1974                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
1975                                         }
1976                                 if (buf[0] == 'S')
1977                                         {
1978                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1979                                         }
1980                                 }
1981 #ifdef CHARSET_EBCDIC
1982                         ebcdic2ascii(buf,buf,i);
1983 #endif
1984                         l=k=0;
1985                         for (;;)
1986                                 {
1987                                 /* should do a select for the write */
1988 #ifdef RENEG
1989 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1990 #endif
1991                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1992                                 switch (SSL_get_error(con,k))
1993                                         {
1994                                 case SSL_ERROR_NONE:
1995                                         break;
1996                                 case SSL_ERROR_WANT_WRITE:
1997                                 case SSL_ERROR_WANT_READ:
1998                                 case SSL_ERROR_WANT_X509_LOOKUP:
1999                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2000                                         break;
2001                                 case SSL_ERROR_SYSCALL:
2002                                 case SSL_ERROR_SSL:
2003                                         BIO_printf(bio_s_out,"ERROR\n");
2004                                         ERR_print_errors(bio_err);
2005                                         ret=1;
2006                                         goto err;
2007                                         /* break; */
2008                                 case SSL_ERROR_ZERO_RETURN:
2009                                         BIO_printf(bio_s_out,"DONE\n");
2010                                         ret=1;
2011                                         goto err;
2012                                         }
2013                                 l+=k;
2014                                 i-=k;
2015                                 if (i <= 0) break;
2016                                 }
2017                         }
2018                 if (read_from_sslcon)
2019                         {
2020                         if (!SSL_is_init_finished(con))
2021                                 {
2022                                 i=init_ssl_connection(con);
2023
2024                                 if (i < 0)
2025                                         {
2026                                         ret=0;
2027                                         goto err;
2028                                         }
2029                                 else if (i == 0)
2030                                         {
2031                                         ret=1;
2032                                         goto err;
2033                                         }
2034                                 }
2035                         else
2036                                 {
2037 again:
2038                                 i=SSL_read(con,(char *)buf,bufsize);
2039                                 switch (SSL_get_error(con,i))
2040                                         {
2041                                 case SSL_ERROR_NONE:
2042 #ifdef CHARSET_EBCDIC
2043                                         ascii2ebcdic(buf,buf,i);
2044 #endif
2045                                         raw_write_stdout(buf,
2046                                                 (unsigned int)i);
2047                                         if (SSL_pending(con)) goto again;
2048                                         break;
2049                                 case SSL_ERROR_WANT_WRITE:
2050                                 case SSL_ERROR_WANT_READ:
2051                                 case SSL_ERROR_WANT_X509_LOOKUP:
2052                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2053                                         break;
2054                                 case SSL_ERROR_SYSCALL:
2055                                 case SSL_ERROR_SSL:
2056                                         BIO_printf(bio_s_out,"ERROR\n");
2057                                         ERR_print_errors(bio_err);
2058                                         ret=1;
2059                                         goto err;
2060                                 case SSL_ERROR_ZERO_RETURN:
2061                                         BIO_printf(bio_s_out,"DONE\n");
2062                                         ret=1;
2063                                         goto err;
2064                                         }
2065                                 }
2066                         }
2067                 }
2068 err:
2069         if (con != NULL)
2070                 {
2071                 BIO_printf(bio_s_out,"shutting down SSL\n");
2072 #if 1
2073                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2074 #else
2075                 SSL_shutdown(con);
2076 #endif
2077                 SSL_free(con);
2078                 }
2079         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2080         if (buf != NULL)
2081                 {
2082                 OPENSSL_cleanse(buf,bufsize);
2083                 OPENSSL_free(buf);
2084                 }
2085         if (ret >= 0)
2086                 BIO_printf(bio_s_out,"ACCEPT\n");
2087         return(ret);
2088         }
2089
2090 static void close_accept_socket(void)
2091         {
2092         BIO_printf(bio_err,"shutdown accept socket\n");
2093         if (accept_socket >= 0)
2094                 {
2095                 SHUTDOWN2(accept_socket);
2096                 }
2097         }
2098
2099 static int init_ssl_connection(SSL *con)
2100         {
2101         int i;
2102         const char *str;
2103         X509 *peer;
2104         long verify_error;
2105         MS_STATIC char buf[BUFSIZ];
2106
2107         if ((i=SSL_accept(con)) <= 0)
2108                 {
2109                 if (BIO_sock_should_retry(i))
2110                         {
2111                         BIO_printf(bio_s_out,"DELAY\n");
2112                         return(1);
2113                         }
2114
2115                 BIO_printf(bio_err,"ERROR\n");
2116                 verify_error=SSL_get_verify_result(con);
2117                 if (verify_error != X509_V_OK)
2118                         {
2119                         BIO_printf(bio_err,"verify error:%s\n",
2120                                 X509_verify_cert_error_string(verify_error));
2121                         }
2122                 else
2123                         ERR_print_errors(bio_err);
2124                 return(0);
2125                 }
2126
2127         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2128
2129         peer=SSL_get_peer_certificate(con);
2130         if (peer != NULL)
2131                 {
2132                 BIO_printf(bio_s_out,"Client certificate\n");
2133                 PEM_write_bio_X509(bio_s_out,peer);
2134                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2135                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2136                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2137                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2138                 X509_free(peer);
2139                 }
2140
2141         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2142                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2143         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2144         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2145         if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
2146         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2147                 TLS1_FLAGS_TLS_PADDING_BUG)
2148                 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
2149 #ifndef OPENSSL_NO_KRB5
2150         if (con->kssl_ctx->client_princ != NULL)
2151                 {
2152                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2153                         con->kssl_ctx->client_princ);
2154                 }
2155 #endif /* OPENSSL_NO_KRB5 */
2156         return(1);
2157         }
2158
2159 #ifndef OPENSSL_NO_DH
2160 static DH *load_dh_param(const char *dhfile)
2161         {
2162         DH *ret=NULL;
2163         BIO *bio;
2164
2165         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2166                 goto err;
2167         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2168 err:
2169         if (bio != NULL) BIO_free(bio);
2170         return(ret);
2171         }
2172 #endif
2173
2174 #if 0
2175 static int load_CA(SSL_CTX *ctx, char *file)
2176         {
2177         FILE *in;
2178         X509 *x=NULL;
2179
2180         if ((in=fopen(file,"r")) == NULL)
2181                 return(0);
2182
2183         for (;;)
2184                 {
2185                 if (PEM_read_X509(in,&x,NULL) == NULL)
2186                         break;
2187                 SSL_CTX_add_client_CA(ctx,x);
2188                 }
2189         if (x != NULL) X509_free(x);
2190         fclose(in);
2191         return(1);
2192         }
2193 #endif
2194
2195 static int www_body(char *hostname, int s, unsigned char *context)
2196         {
2197         char *buf=NULL;
2198         int ret=1;
2199         int i,j,k,blank,dot;
2200         SSL *con;
2201         const SSL_CIPHER *c;
2202         BIO *io,*ssl_bio,*sbio;
2203         long total_bytes;
2204
2205         buf=OPENSSL_malloc(bufsize);
2206         if (buf == NULL) return(0);
2207         io=BIO_new(BIO_f_buffer());
2208         ssl_bio=BIO_new(BIO_f_ssl());
2209         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2210
2211 #ifdef FIONBIO
2212         if (s_nbio)
2213                 {
2214                 unsigned long sl=1;
2215
2216                 if (!s_quiet)
2217                         BIO_printf(bio_err,"turning on non blocking io\n");
2218                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2219                         ERR_print_errors(bio_err);
2220                 }
2221 #endif
2222
2223         /* lets make the output buffer a reasonable size */
2224         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2225
2226         if ((con=SSL_new(ctx)) == NULL) goto err;
2227 #ifndef OPENSSL_NO_TLSEXT
2228                 if (s_tlsextdebug)
2229                         {
2230                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2231                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2232                         }
2233 #endif
2234 #ifndef OPENSSL_NO_KRB5
2235         if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
2236                 {
2237                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
2238                 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
2239                 }
2240 #endif  /* OPENSSL_NO_KRB5 */
2241         if(context) SSL_set_session_id_context(con, context,
2242                                                strlen((char *)context));
2243
2244         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2245         if (s_nbio_test)
2246                 {
2247                 BIO *test;
2248
2249                 test=BIO_new(BIO_f_nbio_test());
2250                 sbio=BIO_push(test,sbio);
2251                 }
2252         SSL_set_bio(con,sbio,sbio);
2253         SSL_set_accept_state(con);
2254
2255         /* SSL_set_fd(con,s); */
2256         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2257         BIO_push(io,ssl_bio);
2258 #ifdef CHARSET_EBCDIC
2259         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2260 #endif
2261
2262         if (s_debug)
2263                 {
2264                 con->debug=1;
2265                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2266                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2267                 }
2268         if (s_msg)
2269                 {
2270                 SSL_set_msg_callback(con, msg_cb);
2271                 SSL_set_msg_callback_arg(con, bio_s_out);
2272                 }
2273
2274         blank=0;
2275         for (;;)
2276                 {
2277                 if (hack)
2278                         {
2279                         i=SSL_accept(con);
2280
2281                         switch (SSL_get_error(con,i))
2282                                 {
2283                         case SSL_ERROR_NONE:
2284                                 break;
2285                         case SSL_ERROR_WANT_WRITE:
2286                         case SSL_ERROR_WANT_READ:
2287                         case SSL_ERROR_WANT_X509_LOOKUP:
2288                                 continue;
2289                         case SSL_ERROR_SYSCALL:
2290                         case SSL_ERROR_SSL:
2291                         case SSL_ERROR_ZERO_RETURN:
2292                                 ret=1;
2293                                 goto err;
2294                                 /* break; */
2295                                 }
2296
2297                         SSL_renegotiate(con);
2298                         SSL_write(con,NULL,0);
2299                         }
2300
2301                 i=BIO_gets(io,buf,bufsize-1);
2302                 if (i < 0) /* error */
2303                         {
2304                         if (!BIO_should_retry(io))
2305                                 {
2306                                 if (!s_quiet)
2307                                         ERR_print_errors(bio_err);
2308                                 goto err;
2309                                 }
2310                         else
2311                                 {
2312                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2313 #if defined(OPENSSL_SYS_NETWARE)
2314             delay(1000);
2315 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2316                                 sleep(1);
2317 #endif
2318                                 continue;
2319                                 }
2320                         }
2321                 else if (i == 0) /* end of input */
2322                         {
2323                         ret=1;
2324                         goto end;
2325                         }
2326
2327                 /* else we have data */
2328                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2329                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2330                         {
2331                         char *p;
2332                         X509 *peer;
2333                         STACK_OF(SSL_CIPHER) *sk;
2334                         static const char *space="                          ";
2335
2336                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2337                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2338                         BIO_puts(io,"<pre>\n");
2339 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2340                         BIO_puts(io,"\n");
2341                         for (i=0; i<local_argc; i++)
2342                                 {
2343                                 BIO_puts(io,local_argv[i]);
2344                                 BIO_write(io," ",1);
2345                                 }
2346                         BIO_puts(io,"\n");
2347
2348                         /* The following is evil and should not really
2349                          * be done */
2350                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2351                         sk=SSL_get_ciphers(con);
2352                         j=sk_SSL_CIPHER_num(sk);
2353                         for (i=0; i<j; i++)
2354                                 {
2355                                 c=sk_SSL_CIPHER_value(sk,i);
2356                                 BIO_printf(io,"%-11s:%-25s",
2357                                         SSL_CIPHER_get_version(c),
2358                                         SSL_CIPHER_get_name(c));
2359                                 if ((((i+1)%2) == 0) && (i+1 != j))
2360                                         BIO_puts(io,"\n");
2361                                 }
2362                         BIO_puts(io,"\n");
2363                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2364                         if (p != NULL)
2365                                 {
2366                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2367                                 j=i=0;
2368                                 while (*p)
2369                                         {
2370                                         if (*p == ':')
2371                                                 {
2372                                                 BIO_write(io,space,26-j);
2373                                                 i++;
2374                                                 j=0;
2375                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2376                                                 }
2377                                         else
2378                                                 {
2379                                                 BIO_write(io,p,1);
2380                                                 j++;
2381                                                 }
2382                                         p++;
2383                                         }
2384                                 BIO_puts(io,"\n");
2385                                 }
2386                         BIO_printf(io,((con->hit)
2387                                 ?"---\nReused, "
2388                                 :"---\nNew, "));
2389                         c=SSL_get_current_cipher(con);
2390                         BIO_printf(io,"%s, Cipher is %s\n",
2391                                 SSL_CIPHER_get_version(c),
2392                                 SSL_CIPHER_get_name(c));
2393                         SSL_SESSION_print(io,SSL_get_session(con));
2394                         BIO_printf(io,"---\n");
2395                         print_stats(io,SSL_get_SSL_CTX(con));
2396                         BIO_printf(io,"---\n");
2397                         peer=SSL_get_peer_certificate(con);
2398                         if (peer != NULL)
2399                                 {
2400                                 BIO_printf(io,"Client certificate\n");
2401                                 X509_print(io,peer);
2402                                 PEM_write_bio_X509(io,peer);
2403                                 }
2404                         else
2405                                 BIO_puts(io,"no client certificate available\n");
2406                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2407                         break;
2408                         }
2409                 else if ((www == 2 || www == 3)
2410                          && (strncmp("GET /",buf,5) == 0))
2411                         {
2412                         BIO *file;
2413                         char *p,*e;
2414                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2415
2416                         /* skip the '/' */
2417                         p= &(buf[5]);
2418
2419                         dot = 1;
2420                         for (e=p; *e != '\0'; e++)
2421                                 {
2422                                 if (e[0] == ' ')
2423                                         break;
2424
2425                                 switch (dot)
2426                                         {
2427                                 case 1:
2428                                         dot = (e[0] == '.') ? 2 : 0;
2429                                         break;
2430                                 case 2:
2431                                         dot = (e[0] == '.') ? 3 : 0;
2432                                         break;
2433                                 case 3:
2434                                         dot = (e[0] == '/') ? -1 : 0;
2435                                         break;
2436                                         }
2437                                 if (dot == 0)
2438                                         dot = (e[0] == '/') ? 1 : 0;
2439                                 }
2440                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2441
2442                         if (*e == '\0')
2443                                 {
2444                                 BIO_puts(io,text);
2445                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2446                                 break;
2447                                 }
2448                         *e='\0';
2449
2450                         if (dot)
2451                                 {
2452                                 BIO_puts(io,text);
2453                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2454                                 break;
2455                                 }
2456
2457                         if (*p == '/')
2458                                 {
2459                                 BIO_puts(io,text);
2460                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2461                                 break;
2462                                 }
2463
2464 #if 0
2465                         /* append if a directory lookup */
2466                         if (e[-1] == '/')
2467                                 strcat(p,"index.html");
2468 #endif
2469
2470                         /* if a directory, do the index thang */
2471                         if (app_isdir(p)>0)
2472                                 {
2473 #if 0 /* must check buffer size */
2474                                 strcat(p,"/index.html");
2475 #else
2476                                 BIO_puts(io,text);
2477                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2478                                 break;
2479 #endif
2480                                 }
2481
2482                         if ((file=BIO_new_file(p,"r")) == NULL)
2483                                 {
2484                                 BIO_puts(io,text);
2485                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2486                                 ERR_print_errors(io);
2487                                 break;
2488                                 }
2489
2490                         if (!s_quiet)
2491                                 BIO_printf(bio_err,"FILE:%s\n",p);
2492
2493                         if (www == 2)
2494                                 {
2495                                 i=strlen(p);
2496                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2497                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2498                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2499                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2500                                 else
2501                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2502                                 }
2503                         /* send the file */
2504                         total_bytes=0;
2505                         for (;;)
2506                                 {
2507                                 i=BIO_read(file,buf,bufsize);
2508                                 if (i <= 0) break;
2509
2510 #ifdef RENEG
2511                                 total_bytes+=i;
2512                                 fprintf(stderr,"%d\n",i);
2513                                 if (total_bytes > 3*1024)
2514                                         {
2515                                         total_bytes=0;
2516                                         fprintf(stderr,"RENEGOTIATE\n");
2517                                         SSL_renegotiate(con);
2518                                         }
2519 #endif
2520
2521                                 for (j=0; j<i; )
2522                                         {
2523 #ifdef RENEG
2524 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2525 #endif
2526                                         k=BIO_write(io,&(buf[j]),i-j);
2527                                         if (k <= 0)
2528                                                 {
2529                                                 if (!BIO_should_retry(io))
2530                                                         goto write_error;
2531                                                 else
2532                                                         {
2533                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2534                                                         }
2535                                                 }
2536                                         else
2537                                                 {
2538                                                 j+=k;
2539                                                 }
2540                                         }
2541                                 }
2542 write_error:
2543                         BIO_free(file);
2544                         break;
2545                         }
2546                 }
2547
2548         for (;;)
2549                 {
2550                 i=(int)BIO_flush(io);
2551                 if (i <= 0)
2552                         {
2553                         if (!BIO_should_retry(io))
2554                                 break;
2555                         }
2556                 else
2557                         break;
2558                 }
2559 end:
2560 #if 1
2561         /* make sure we re-use sessions */
2562         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2563 #else
2564         /* This kills performance */
2565 /*      SSL_shutdown(con); A shutdown gets sent in the
2566  *      BIO_free_all(io) procession */
2567 #endif
2568
2569 err:
2570
2571         if (ret >= 0)
2572                 BIO_printf(bio_s_out,"ACCEPT\n");
2573
2574         if (buf != NULL) OPENSSL_free(buf);
2575         if (io != NULL) BIO_free_all(io);
2576 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2577         return(ret);
2578         }
2579
2580 #ifndef OPENSSL_NO_RSA
2581 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2582         {
2583         BIGNUM *bn = NULL;
2584         static RSA *rsa_tmp=NULL;
2585
2586         if (!rsa_tmp && ((bn = BN_new()) == NULL))
2587                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2588         if (!rsa_tmp && bn)
2589                 {
2590                 if (!s_quiet)
2591                         {
2592                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2593                         (void)BIO_flush(bio_err);
2594                         }
2595                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2596                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2597                         {
2598                         if(rsa_tmp) RSA_free(rsa_tmp);
2599                         rsa_tmp = NULL;
2600                         }
2601                 if (!s_quiet)
2602                         {
2603                         BIO_printf(bio_err,"\n");
2604                         (void)BIO_flush(bio_err);
2605                         }
2606                 BN_free(bn);
2607                 }
2608         return(rsa_tmp);
2609         }
2610 #endif
2611
2612 #define MAX_SESSION_ID_ATTEMPTS 10
2613 static int generate_session_id(const SSL *ssl, unsigned char *id,
2614                                 unsigned int *id_len)
2615         {
2616         unsigned int count = 0;
2617         do      {
2618                 RAND_pseudo_bytes(id, *id_len);
2619                 /* Prefix the session_id with the required prefix. NB: If our
2620                  * prefix is too long, clip it - but there will be worse effects
2621                  * anyway, eg. the server could only possibly create 1 session
2622                  * ID (ie. the prefix!) so all future session negotiations will
2623                  * fail due to conflicts. */
2624                 memcpy(id, session_id_prefix,
2625                         (strlen(session_id_prefix) < *id_len) ?
2626                         strlen(session_id_prefix) : *id_len);
2627                 }
2628         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2629                 (++count < MAX_SESSION_ID_ATTEMPTS));
2630         if(count >= MAX_SESSION_ID_ATTEMPTS)
2631                 return 0;
2632         return 1;
2633         }