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 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, unsigned char *context);
 208 static int www_body(char *hostname, int s, unsigned char *context);
 209 static void close_accept_socket(void );
 210 static void sv_usage(void);
 211 static int init_ssl_connection(SSL *s);
 212 static void print_stats(BIO *bp,SSL_CTX *ctx);
 213 static int generate_session_id(const SSL *ssl, unsigned char *id,
 214                                 unsigned int *id_len);
 215 #ifndef OPENSSL_NO_DH
 216 static DH *load_dh_param(const char *dhfile);
 217 static DH *get_dh512(void);
 218 #endif
 219
 220 #ifdef MONOLITH
 221 static void s_server_init(void);
 222 #endif
 223
 224 #ifndef OPENSSL_NO_DH
 225 static unsigned char dh512_p[]={
 226         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 227         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 228         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 229         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 230         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 231         0x47,0x74,0xE8,0x33,
 232         };
 233 static unsigned char dh512_g[]={
 234         0x02,
 235         };
 236
 237 static DH *get_dh512(void)
 238         {
 239         DH *dh=NULL;
 240
 241         if ((dh=DH_new()) == NULL) return(NULL);
 242         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 243         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 244         if ((dh->p == NULL) || (dh->g == NULL))
 245                 return(NULL);
 246         return(dh);
 247         }
 248 #endif
 249
 250
 251 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 252
 253 #undef BUFSIZZ
 254 #define BUFSIZZ 16*1024
 255 static int bufsize=BUFSIZZ;
 256 static int accept_socket= -1;
 257
 258 #define TEST_CERT       "server.pem"
 259 #ifndef OPENSSL_NO_TLSEXT
 260 #define TEST_CERT2      "server2.pem"
 261 #endif
 262 #undef PROG
 263 #define PROG            s_server_main
 264
 265 extern int verify_depth, verify_return_error;
 266
 267 static int s_server_verify=SSL_VERIFY_NONE;
 268 static int s_server_session_id_context = 1; /* anything will do */
 269 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 270 #ifndef OPENSSL_NO_TLSEXT
 271 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 272 #endif
 273 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 274 #ifdef FIONBIO
 275 static int s_nbio=0;
 276 #endif
 277 static int s_nbio_test=0;
 278 int s_crlf=0;
 279 static SSL_CTX *ctx=NULL;
 280 #ifndef OPENSSL_NO_TLSEXT
 281 static SSL_CTX *ctx2=NULL;
 282 #endif
 283 static int www=0;
 284
 285 static BIO *bio_s_out=NULL;
 286 static BIO *bio_s_msg = NULL;
 287 static int s_debug=0;
 288 #ifndef OPENSSL_NO_TLSEXT
 289 static int s_tlsextdebug=0;
 290 static int s_tlsextstatus=0;
 291 static int cert_status_cb(SSL *s, void *arg);
 292 #endif
 293 static int s_msg=0;
 294 static int s_quiet=0;
 295
 296 static char *keymatexportlabel=NULL;
 297 static int keymatexportlen=20;
 298
 299 static int hack=0;
 300 #ifndef OPENSSL_NO_ENGINE
 301 static char *engine_id=NULL;
 302 #endif
 303 static const char *session_id_prefix=NULL;
 304
 305 static int enable_timeouts = 0;
 306 static long socket_mtu;
 307 #ifndef OPENSSL_NO_DTLS1
 308 static int cert_chain = 0;
 309 #endif
 310
 311 #ifndef OPENSSL_NO_TLSEXT
 312 static BIO *authz_in = NULL;
 313 static const char *s_authz_file = NULL;
 314 #endif
 315
 316 #ifndef OPENSSL_NO_PSK
 317 static char *psk_identity="Client_identity";
 318 char *psk_key=NULL; /* by default PSK is not used */
 319
 320 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 321         unsigned char *psk, unsigned int max_psk_len)
 322         {
 323         unsigned int psk_len = 0;
 324         int ret;
 325         BIGNUM *bn = NULL;
 326
 327         if (s_debug)
 328                 BIO_printf(bio_s_out,"psk_server_cb\n");
 329         if (!identity)
 330                 {
 331                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 332                 goto out_err;
 333                 }
 334         if (s_debug)
 335                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 336                         identity ? (int)strlen(identity) : 0, identity);
 337
 338         /* here we could lookup the given identity e.g. from a database */
 339         if (strcmp(identity, psk_identity) != 0)
 340                 {
 341                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 342                            " (got '%s' expected '%s')\n", identity,
 343                            psk_identity);
 344                 goto out_err;
 345                 }
 346         if (s_debug)
 347                 BIO_printf(bio_s_out, "PSK client identity found\n");
 348
 349         /* convert the PSK key to binary */
 350         ret = BN_hex2bn(&bn, psk_key);
 351         if (!ret)
 352                 {
 353                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 354                 if (bn)
 355                         BN_free(bn);
 356                 return 0;
 357                 }
 358         if (BN_num_bytes(bn) > (int)max_psk_len)
 359                 {
 360                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 361                         max_psk_len, BN_num_bytes(bn));
 362                 BN_free(bn);
 363                 return 0;
 364                 }
 365
 366         ret = BN_bn2bin(bn, psk);
 367         BN_free(bn);
 368
 369         if (ret < 0)
 370                 goto out_err;
 371         psk_len = (unsigned int)ret;
 372
 373         if (s_debug)
 374                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 375         return psk_len;
 376  out_err:
 377         if (s_debug)
 378                 BIO_printf(bio_err, "Error in PSK server callback\n");
 379         return 0;
 380         }
 381 #endif
 382
 383 #ifndef OPENSSL_NO_SRP
 384 /* This is a context that we pass to callbacks */
 385 typedef struct srpsrvparm_st
 386         {
 387         char *login;
 388         SRP_VBASE *vb;
 389         SRP_user_pwd *user;
 390         } srpsrvparm;
 391
 392 /* This callback pretends to require some asynchronous logic in order to obtain
 393    a verifier. When the callback is called for a new connection we return
 394    with a negative value. This will provoke the accept etc to return with
 395    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 396    (which would normally occur after a worker has finished) and we
 397    set the user parameters.
 398 */
 399 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 400         {
 401         srpsrvparm *p = (srpsrvparm *)arg;
 402         if (p->login == NULL && p->user == NULL )
 403                 {
 404                 p->login = SSL_get_srp_username(s);
 405                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 406                 return (-1) ;
 407                 }
 408
 409         if (p->user == NULL)
 410                 {
 411                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 412                 return SSL3_AL_FATAL;
 413                 }
 414         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 415                                      p->user->info) < 0)
 416                 {
 417                 *ad = SSL_AD_INTERNAL_ERROR;
 418                 return SSL3_AL_FATAL;
 419                 }
 420         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 421         /* need to check whether there are memory leaks */
 422         p->user = NULL;
 423         p->login = NULL;
 424         return SSL_ERROR_NONE;
 425         }
 426
 427 #endif
 428
 429 #ifdef MONOLITH
 430 static void s_server_init(void)
 431         {
 432         accept_socket=-1;
 433         s_server_verify=SSL_VERIFY_NONE;
 434         s_dcert_file=NULL;
 435         s_dkey_file=NULL;
 436         s_dchain_file=NULL;
 437         s_cert_file=TEST_CERT;
 438         s_key_file=NULL;
 439         s_chain_file=NULL;
 440 #ifndef OPENSSL_NO_TLSEXT
 441         s_cert_file2=TEST_CERT2;
 442         s_key_file2=NULL;
 443         ctx2=NULL;
 444 #endif
 445 #ifdef FIONBIO
 446         s_nbio=0;
 447 #endif
 448         s_nbio_test=0;
 449         ctx=NULL;
 450         www=0;
 451
 452         bio_s_out=NULL;
 453         s_debug=0;
 454         s_msg=0;
 455         s_quiet=0;
 456         hack=0;
 457 #ifndef OPENSSL_NO_ENGINE
 458         engine_id=NULL;
 459 #endif
 460         }
 461 #endif
 462
 463 static void sv_usage(void)
 464         {
 465         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 466         BIO_printf(bio_err,"\n");
 467         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 468         BIO_printf(bio_err," -context arg  - set session ID context\n");
 469         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 470         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 471         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 472         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 473         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 474         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 475                            "                 The CRL(s) are appended to the certificate file\n");
 476         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 477                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 478                            "                 the certificate file.\n");
 479         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 480         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 481         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 482         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 483         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 484         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 485         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 486         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 487         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 488         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 489         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 490         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 491 #ifndef OPENSSL_NO_ECDH
 492         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 493                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 494                            "                 (default is nistp256).\n");
 495 #endif
 496 #ifdef FIONBIO
 497         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 498 #endif
 499         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 500         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 501         BIO_printf(bio_err," -debug        - Print more output\n");
 502         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 503         BIO_printf(bio_err," -state        - Print the SSL states\n");
 504         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 505         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 506         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 507         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 508         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 509         BIO_printf(bio_err," -quiet        - No server output\n");
 510         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 511 #ifndef OPENSSL_NO_PSK
 512         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 513         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 514 # ifndef OPENSSL_NO_JPAKE
 515         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 516 # endif
 517 #endif
 518 #ifndef OPENSSL_NO_SRP
 519         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 520         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 521 #endif
 522         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 523         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 524         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 525         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 526         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 527         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 528         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 529         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 530         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 531         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 532         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 533         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 534         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 535         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 536 #ifndef OPENSSL_NO_DH
 537         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 538 #endif
 539 #ifndef OPENSSL_NO_ECDH
 540         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 541 #endif
 542         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 543         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 544         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 545         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 546         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 547 #ifndef OPENSSL_NO_ENGINE
 548         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 549 #endif
 550         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 551         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 552 #ifndef OPENSSL_NO_TLSEXT
 553         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 554         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 555         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 556         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 557         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 558         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 559         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 560         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 561         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 562 # ifndef OPENSSL_NO_NEXTPROTONEG
 563         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 564 # endif
 565         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 566 #endif
 567         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 568         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 569         }
 570
 571 static int local_argc=0;
 572 static char **local_argv;
 573
 574 #ifdef CHARSET_EBCDIC
 575 static int ebcdic_new(BIO *bi);
 576 static int ebcdic_free(BIO *a);
 577 static int ebcdic_read(BIO *b, char *out, int outl);
 578 static int ebcdic_write(BIO *b, const char *in, int inl);
 579 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 580 static int ebcdic_gets(BIO *bp, char *buf, int size);
 581 static int ebcdic_puts(BIO *bp, const char *str);
 582
 583 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 584 static BIO_METHOD methods_ebcdic=
 585         {
 586         BIO_TYPE_EBCDIC_FILTER,
 587         "EBCDIC/ASCII filter",
 588         ebcdic_write,
 589         ebcdic_read,
 590         ebcdic_puts,
 591         ebcdic_gets,
 592         ebcdic_ctrl,
 593         ebcdic_new,
 594         ebcdic_free,
 595         };
 596
 597 typedef struct
 598 {
 599         size_t  alloced;
 600         char    buff[1];
 601 } EBCDIC_OUTBUFF;
 602
 603 BIO_METHOD *BIO_f_ebcdic_filter()
 604 {
 605         return(&methods_ebcdic);
 606 }
 607
 608 static int ebcdic_new(BIO *bi)
 609 {
 610         EBCDIC_OUTBUFF *wbuf;
 611
 612         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 613         wbuf->alloced = 1024;
 614         wbuf->buff[0] = '\0';
 615
 616         bi->ptr=(char *)wbuf;
 617         bi->init=1;
 618         bi->flags=0;
 619         return(1);
 620 }
 621
 622 static int ebcdic_free(BIO *a)
 623 {
 624         if (a == NULL) return(0);
 625         if (a->ptr != NULL)
 626                 OPENSSL_free(a->ptr);
 627         a->ptr=NULL;
 628         a->init=0;
 629         a->flags=0;
 630         return(1);
 631 }
 632
 633 static int ebcdic_read(BIO *b, char *out, int outl)
 634 {
 635         int ret=0;
 636
 637         if (out == NULL || outl == 0) return(0);
 638         if (b->next_bio == NULL) return(0);
 639
 640         ret=BIO_read(b->next_bio,out,outl);
 641         if (ret > 0)
 642                 ascii2ebcdic(out,out,ret);
 643         return(ret);
 644 }
 645
 646 static int ebcdic_write(BIO *b, const char *in, int inl)
 647 {
 648         EBCDIC_OUTBUFF *wbuf;
 649         int ret=0;
 650         int num;
 651         unsigned char n;
 652
 653         if ((in == NULL) || (inl <= 0)) return(0);
 654         if (b->next_bio == NULL) return(0);
 655
 656         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 657
 658         if (inl > (num = wbuf->alloced))
 659         {
 660                 num = num + num;  /* double the size */
 661                 if (num < inl)
 662                         num = inl;
 663                 OPENSSL_free(wbuf);
 664                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 665
 666                 wbuf->alloced = num;
 667                 wbuf->buff[0] = '\0';
 668
 669                 b->ptr=(char *)wbuf;
 670         }
 671
 672         ebcdic2ascii(wbuf->buff, in, inl);
 673
 674         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 675
 676         return(ret);
 677 }
 678
 679 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 680 {
 681         long ret;
 682
 683         if (b->next_bio == NULL) return(0);
 684         switch (cmd)
 685         {
 686         case BIO_CTRL_DUP:
 687                 ret=0L;
 688                 break;
 689         default:
 690                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 691                 break;
 692         }
 693         return(ret);
 694 }
 695
 696 static int ebcdic_gets(BIO *bp, char *buf, int size)
 697 {
 698         int i, ret=0;
 699         if (bp->next_bio == NULL) return(0);
 700 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 701         for (i=0; i<size-1; ++i)
 702         {
 703                 ret = ebcdic_read(bp,&buf[i],1);
 704                 if (ret <= 0)
 705                         break;
 706                 else if (buf[i] == '\n')
 707                 {
 708                         ++i;
 709                         break;
 710                 }
 711         }
 712         if (i < size)
 713                 buf[i] = '\0';
 714         return (ret < 0 && i == 0) ? ret : i;
 715 }
 716
 717 static int ebcdic_puts(BIO *bp, const char *str)
 718 {
 719         if (bp->next_bio == NULL) return(0);
 720         return ebcdic_write(bp, str, strlen(str));
 721 }
 722 #endif
 723
 724 #ifndef OPENSSL_NO_TLSEXT
 725
 726 /* This is a context that we pass to callbacks */
 727 typedef struct tlsextctx_st {
 728    char * servername;
 729    BIO * biodebug;
 730    int extension_error;
 731 } tlsextctx;
 732
 733
 734 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 735         {
 736         tlsextctx * p = (tlsextctx *) arg;
 737         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 738         if (servername && p->biodebug)
 739                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 740
 741         if (!p->servername)
 742                 return SSL_TLSEXT_ERR_NOACK;
 743
 744         if (servername)
 745                 {
 746                 if (strcmp(servername,p->servername))
 747                         return p->extension_error;
 748                 if (ctx2)
 749                         {
 750                         BIO_printf(p->biodebug,"Switching server context.\n");
 751                         SSL_set_SSL_CTX(s,ctx2);
 752                         }
 753                 }
 754         return SSL_TLSEXT_ERR_OK;
 755 }
 756
 757 /* Structure passed to cert status callback */
 758
 759 typedef struct tlsextstatusctx_st {
 760    /* Default responder to use */
 761    char *host, *path, *port;
 762    int use_ssl;
 763    int timeout;
 764    BIO *err;
 765    int verbose;
 766 } tlsextstatusctx;
 767
 768 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 769
 770 /* Certificate Status callback. This is called when a client includes a
 771  * certificate status request extension.
 772  *
 773  * This is a simplified version. It examines certificates each time and
 774  * makes one OCSP responder query for each request.
 775  *
 776  * A full version would store details such as the OCSP certificate IDs and
 777  * minimise the number of OCSP responses by caching them until they were
 778  * considered "expired".
 779  */
 780
 781 static int cert_status_cb(SSL *s, void *arg)
 782         {
 783         tlsextstatusctx *srctx = arg;
 784         BIO *err = srctx->err;
 785         char *host, *port, *path;
 786         int use_ssl;
 787         unsigned char *rspder = NULL;
 788         int rspderlen;
 789         STACK_OF(OPENSSL_STRING) *aia = NULL;
 790         X509 *x = NULL;
 791         X509_STORE_CTX inctx;
 792         X509_OBJECT obj;
 793         OCSP_REQUEST *req = NULL;
 794         OCSP_RESPONSE *resp = NULL;
 795         OCSP_CERTID *id = NULL;
 796         STACK_OF(X509_EXTENSION) *exts;
 797         int ret = SSL_TLSEXT_ERR_NOACK;
 798         int i;
 799 #if 0
 800 STACK_OF(OCSP_RESPID) *ids;
 801 SSL_get_tlsext_status_ids(s, &ids);
 802 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 803 #endif
 804         if (srctx->verbose)
 805                 BIO_puts(err, "cert_status: callback called\n");
 806         /* Build up OCSP query from server certificate */
 807         x = SSL_get_certificate(s);
 808         aia = X509_get1_ocsp(x);
 809         if (aia)
 810                 {
 811                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 812                         &host, &port, &path, &use_ssl))
 813                         {
 814                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 815                         goto err;
 816                         }
 817                 if (srctx->verbose)
 818                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 819                                         sk_OPENSSL_STRING_value(aia, 0));
 820                 }
 821         else
 822                 {
 823                 if (!srctx->host)
 824                         {
 825                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 826                         goto done;
 827                         }
 828                 host = srctx->host;
 829                 path = srctx->path;
 830                 port = srctx->port;
 831                 use_ssl = srctx->use_ssl;
 832                 }
 833
 834         if (!X509_STORE_CTX_init(&inctx,
 835                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 836                                 NULL, NULL))
 837                 goto err;
 838         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 839                                 X509_get_issuer_name(x),&obj) <= 0)
 840                 {
 841                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 842                 X509_STORE_CTX_cleanup(&inctx);
 843                 goto done;
 844                 }
 845         req = OCSP_REQUEST_new();
 846         if (!req)
 847                 goto err;
 848         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 849         X509_free(obj.data.x509);
 850         X509_STORE_CTX_cleanup(&inctx);
 851         if (!id)
 852                 goto err;
 853         if (!OCSP_request_add0_id(req, id))
 854                 goto err;
 855         id = NULL;
 856         /* Add any extensions to the request */
 857         SSL_get_tlsext_status_exts(s, &exts);
 858         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 859                 {
 860                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 861                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 862                         goto err;
 863                 }
 864         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 865                                         srctx->timeout);
 866         if (!resp)
 867                 {
 868                 BIO_puts(err, "cert_status: error querying responder\n");
 869                 goto done;
 870                 }
 871         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 872         if (rspderlen <= 0)
 873                 goto err;
 874         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 875         if (srctx->verbose)
 876                 {
 877                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 878                 OCSP_RESPONSE_print(err, resp, 2);
 879                 }
 880         ret = SSL_TLSEXT_ERR_OK;
 881         done:
 882         if (ret != SSL_TLSEXT_ERR_OK)
 883                 ERR_print_errors(err);
 884         if (aia)
 885                 {
 886                 OPENSSL_free(host);
 887                 OPENSSL_free(path);
 888                 OPENSSL_free(port);
 889                 X509_email_free(aia);
 890                 }
 891         if (id)
 892                 OCSP_CERTID_free(id);
 893         if (req)
 894                 OCSP_REQUEST_free(req);
 895         if (resp)
 896                 OCSP_RESPONSE_free(resp);
 897         return ret;
 898         err:
 899         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 900         goto done;
 901         }
 902
 903 # ifndef OPENSSL_NO_NEXTPROTONEG
 904 /* This is the context that we pass to next_proto_cb */
 905 typedef struct tlsextnextprotoctx_st {
 906         unsigned char *data;
 907         unsigned int len;
 908 } tlsextnextprotoctx;
 909
 910 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 911         {
 912         tlsextnextprotoctx *next_proto = arg;
 913
 914         *data = next_proto->data;
 915         *len = next_proto->len;
 916
 917         return SSL_TLSEXT_ERR_OK;
 918         }
 919 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 920
 921
 922 #endif
 923
 924 int MAIN(int, char **);
 925
 926 #ifndef OPENSSL_NO_JPAKE
 927 static char *jpake_secret = NULL;
 928 #define no_jpake !jpake_secret
 929 #else
 930 #define no_jpake 1
 931 #endif
 932 #ifndef OPENSSL_NO_SRP
 933         static srpsrvparm srp_callback_parm;
 934 #endif
 935 static char *srtp_profiles = NULL;
 936
 937 int MAIN(int argc, char *argv[])
 938         {
 939         X509_VERIFY_PARAM *vpm = NULL;
 940         int badarg = 0;
 941         short port=PORT;
 942         char *CApath=NULL,*CAfile=NULL;
 943         char *chCApath=NULL,*chCAfile=NULL;
 944         char *vfyCApath=NULL,*vfyCAfile=NULL;
 945         unsigned char *context = NULL;
 946         char *dhfile = NULL;
 947 #ifndef OPENSSL_NO_ECDH
 948         char *named_curve = NULL;
 949 #endif
 950         int badop=0;
 951         int ret=1;
 952         int build_chain = 0;
 953         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 954         int state=0;
 955         const SSL_METHOD *meth=NULL;
 956         int socket_type=SOCK_STREAM;
 957         ENGINE *e=NULL;
 958         char *inrand=NULL;
 959         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 960         char *passarg = NULL, *pass = NULL;
 961         char *dpassarg = NULL, *dpass = NULL;
 962         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 963         X509 *s_cert = NULL, *s_dcert = NULL;
 964         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 965         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 966         int no_cache = 0;
 967 #ifndef OPENSSL_NO_TLSEXT
 968         EVP_PKEY *s_key2 = NULL;
 969         X509 *s_cert2 = NULL;
 970         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 971 # ifndef OPENSSL_NO_NEXTPROTONEG
 972         const char *next_proto_neg_in = NULL;
 973         tlsextnextprotoctx next_proto;
 974 # endif
 975 #endif
 976 #ifndef OPENSSL_NO_PSK
 977         /* by default do not send a PSK identity hint */
 978         static char *psk_identity_hint=NULL;
 979 #endif
 980 #ifndef OPENSSL_NO_SRP
 981         char *srpuserseed = NULL;
 982         char *srp_verifier_file = NULL;
 983 #endif
 984         SSL_EXCERT *exc = NULL;
 985         SSL_CONF_CTX *cctx = NULL;
 986         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 987
 988         char *crl_file = NULL;
 989         int crl_format = FORMAT_PEM;
 990         STACK_OF(X509_CRL) *crls = NULL;
 991
 992         meth=SSLv23_server_method();
 993
 994         local_argc=argc;
 995         local_argv=argv;
 996
 997         apps_startup();
 998 #ifdef MONOLITH
 999         s_server_init();
1000 #endif
1001
1002         if (bio_err == NULL)
1003                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1004
1005         if (!load_config(bio_err, NULL))
1006                 goto end;
1007
1008         cctx = SSL_CONF_CTX_new();
1009         if (!cctx)
1010                 goto end;
1011         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1012         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1013
1014         verify_depth=0;
1015 #ifdef FIONBIO
1016         s_nbio=0;
1017 #endif
1018         s_nbio_test=0;
1019
1020         argc--;
1021         argv++;
1022
1023         while (argc >= 1)
1024                 {
1025                 if      ((strcmp(*argv,"-port") == 0) ||
1026                          (strcmp(*argv,"-accept") == 0))
1027                         {
1028                         if (--argc < 1) goto bad;
1029                         if (!extract_port(*(++argv),&port))
1030                                 goto bad;
1031                         }
1032                 else if (strcmp(*argv,"-verify") == 0)
1033                         {
1034                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1035                         if (--argc < 1) goto bad;
1036                         verify_depth=atoi(*(++argv));
1037                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1038                         }
1039                 else if (strcmp(*argv,"-Verify") == 0)
1040                         {
1041                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1042                                 SSL_VERIFY_CLIENT_ONCE;
1043                         if (--argc < 1) goto bad;
1044                         verify_depth=atoi(*(++argv));
1045                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1046                         }
1047                 else if (strcmp(*argv,"-context") == 0)
1048                         {
1049                         if (--argc < 1) goto bad;
1050                         context= (unsigned char *)*(++argv);
1051                         }
1052                 else if (strcmp(*argv,"-cert") == 0)
1053                         {
1054                         if (--argc < 1) goto bad;
1055                         s_cert_file= *(++argv);
1056                         }
1057                 else if (strcmp(*argv,"-CRL") == 0)
1058                         {
1059                         if (--argc < 1) goto bad;
1060                         crl_file= *(++argv);
1061                         }
1062 #ifndef OPENSSL_NO_TLSEXT
1063                 else if (strcmp(*argv,"-authz") == 0)
1064                         {
1065                         if (--argc < 1) goto bad;
1066                         s_authz_file = *(++argv);
1067                         }
1068 #endif
1069                 else if (strcmp(*argv,"-certform") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         s_cert_format = str2fmt(*(++argv));
1073                         }
1074                 else if (strcmp(*argv,"-key") == 0)
1075                         {
1076                         if (--argc < 1) goto bad;
1077                         s_key_file= *(++argv);
1078                         }
1079                 else if (strcmp(*argv,"-keyform") == 0)
1080                         {
1081                         if (--argc < 1) goto bad;
1082                         s_key_format = str2fmt(*(++argv));
1083                         }
1084                 else if (strcmp(*argv,"-pass") == 0)
1085                         {
1086                         if (--argc < 1) goto bad;
1087                         passarg = *(++argv);
1088                         }
1089                 else if (strcmp(*argv,"-cert_chain") == 0)
1090                         {
1091                         if (--argc < 1) goto bad;
1092                         s_chain_file= *(++argv);
1093                         }
1094                 else if (strcmp(*argv,"-dhparam") == 0)
1095                         {
1096                         if (--argc < 1) goto bad;
1097                         dhfile = *(++argv);
1098                         }
1099 #ifndef OPENSSL_NO_ECDH
1100                 else if (strcmp(*argv,"-named_curve") == 0)
1101                         {
1102                         if (--argc < 1) goto bad;
1103                         named_curve = *(++argv);
1104                         }
1105 #endif
1106                 else if (strcmp(*argv,"-dcertform") == 0)
1107                         {
1108                         if (--argc < 1) goto bad;
1109                         s_dcert_format = str2fmt(*(++argv));
1110                         }
1111                 else if (strcmp(*argv,"-dcert") == 0)
1112                         {
1113                         if (--argc < 1) goto bad;
1114                         s_dcert_file= *(++argv);
1115                         }
1116                 else if (strcmp(*argv,"-dkeyform") == 0)
1117                         {
1118                         if (--argc < 1) goto bad;
1119                         s_dkey_format = str2fmt(*(++argv));
1120                         }
1121                 else if (strcmp(*argv,"-dpass") == 0)
1122                         {
1123                         if (--argc < 1) goto bad;
1124                         dpassarg = *(++argv);
1125                         }
1126                 else if (strcmp(*argv,"-dkey") == 0)
1127                         {
1128                         if (--argc < 1) goto bad;
1129                         s_dkey_file= *(++argv);
1130                         }
1131                 else if (strcmp(*argv,"-dcert_chain") == 0)
1132                         {
1133                         if (--argc < 1) goto bad;
1134                         s_dchain_file= *(++argv);
1135                         }
1136                 else if (strcmp(*argv,"-nocert") == 0)
1137                         {
1138                         nocert=1;
1139                         }
1140                 else if (strcmp(*argv,"-CApath") == 0)
1141                         {
1142                         if (--argc < 1) goto bad;
1143                         CApath= *(++argv);
1144                         }
1145                 else if (strcmp(*argv,"-chainCApath") == 0)
1146                         {
1147                         if (--argc < 1) goto bad;
1148                         chCApath= *(++argv);
1149                         }
1150                 else if (strcmp(*argv,"-verifyCApath") == 0)
1151                         {
1152                         if (--argc < 1) goto bad;
1153                         vfyCApath= *(++argv);
1154                         }
1155                 else if (strcmp(*argv,"-no_cache") == 0)
1156                         no_cache = 1;
1157                 else if (strcmp(*argv,"-CRLform") == 0)
1158                         {
1159                         if (--argc < 1) goto bad;
1160                         crl_format = str2fmt(*(++argv));
1161                         }
1162                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1163                         {
1164                         if (badarg)
1165                                 goto bad;
1166                         continue;
1167                         }
1168                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1169                         {
1170                         if (badarg)
1171                                 goto bad;
1172                         continue;
1173                         }
1174                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1175                         {
1176                         if (badarg)
1177                                 goto bad;
1178                         continue;
1179                         }
1180                 else if (strcmp(*argv,"-verify_return_error") == 0)
1181                         verify_return_error = 1;
1182                 else if (strcmp(*argv,"-build_chain") == 0)
1183                         build_chain = 1;
1184                 else if (strcmp(*argv,"-CAfile") == 0)
1185                         {
1186                         if (--argc < 1) goto bad;
1187                         CAfile= *(++argv);
1188                         }
1189                 else if (strcmp(*argv,"-chainCAfile") == 0)
1190                         {
1191                         if (--argc < 1) goto bad;
1192                         chCAfile= *(++argv);
1193                         }
1194                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1195                         {
1196                         if (--argc < 1) goto bad;
1197                         vfyCAfile= *(++argv);
1198                         }
1199 #ifdef FIONBIO
1200                 else if (strcmp(*argv,"-nbio") == 0)
1201                         { s_nbio=1; }
1202 #endif
1203                 else if (strcmp(*argv,"-nbio_test") == 0)
1204                         {
1205 #ifdef FIONBIO
1206                         s_nbio=1;
1207 #endif
1208                         s_nbio_test=1;
1209                         }
1210                 else if (strcmp(*argv,"-debug") == 0)
1211                         { s_debug=1; }
1212 #ifndef OPENSSL_NO_TLSEXT
1213                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1214                         s_tlsextdebug=1;
1215                 else if (strcmp(*argv,"-status") == 0)
1216                         s_tlsextstatus=1;
1217                 else if (strcmp(*argv,"-status_verbose") == 0)
1218                         {
1219                         s_tlsextstatus=1;
1220                         tlscstatp.verbose = 1;
1221                         }
1222                 else if (!strcmp(*argv, "-status_timeout"))
1223                         {
1224                         s_tlsextstatus=1;
1225                         if (--argc < 1) goto bad;
1226                         tlscstatp.timeout = atoi(*(++argv));
1227                         }
1228                 else if (!strcmp(*argv, "-status_url"))
1229                         {
1230                         s_tlsextstatus=1;
1231                         if (--argc < 1) goto bad;
1232                         if (!OCSP_parse_url(*(++argv),
1233                                         &tlscstatp.host,
1234                                         &tlscstatp.port,
1235                                         &tlscstatp.path,
1236                                         &tlscstatp.use_ssl))
1237                                 {
1238                                 BIO_printf(bio_err, "Error parsing URL\n");
1239                                 goto bad;
1240                                 }
1241                         }
1242 #endif
1243                 else if (strcmp(*argv,"-msg") == 0)
1244                         { s_msg=1; }
1245                 else if (strcmp(*argv,"-msgfile") == 0)
1246                         {
1247                         if (--argc < 1) goto bad;
1248                         bio_s_msg = BIO_new_file(*(++argv), "w");
1249                         }
1250 #ifndef OPENSSL_NO_SSL_TRACE
1251                 else if (strcmp(*argv,"-trace") == 0)
1252                         { s_msg=2; }
1253 #endif
1254                 else if (strcmp(*argv,"-hack") == 0)
1255                         { hack=1; }
1256                 else if (strcmp(*argv,"-state") == 0)
1257                         { state=1; }
1258                 else if (strcmp(*argv,"-crlf") == 0)
1259                         { s_crlf=1; }
1260                 else if (strcmp(*argv,"-quiet") == 0)
1261                         { s_quiet=1; }
1262                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1263                         { no_tmp_rsa=1; }
1264                 else if (strcmp(*argv,"-no_dhe") == 0)
1265                         { no_dhe=1; }
1266                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1267                         { no_ecdhe=1; }
1268 #ifndef OPENSSL_NO_PSK
1269                 else if (strcmp(*argv,"-psk_hint") == 0)
1270                         {
1271                         if (--argc < 1) goto bad;
1272                         psk_identity_hint= *(++argv);
1273                         }
1274                 else if (strcmp(*argv,"-psk") == 0)
1275                         {
1276                         size_t i;
1277
1278                         if (--argc < 1) goto bad;
1279                         psk_key=*(++argv);
1280                         for (i=0; i<strlen(psk_key); i++)
1281                                 {
1282                                 if (isxdigit((unsigned char)psk_key[i]))
1283                                         continue;
1284                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1285                                 goto bad;
1286                                 }
1287                         }
1288 #endif
1289 #ifndef OPENSSL_NO_SRP
1290                 else if (strcmp(*argv, "-srpvfile") == 0)
1291                         {
1292                         if (--argc < 1) goto bad;
1293                         srp_verifier_file = *(++argv);
1294                         meth = TLSv1_server_method();
1295                         }
1296                 else if (strcmp(*argv, "-srpuserseed") == 0)
1297                         {
1298                         if (--argc < 1) goto bad;
1299                         srpuserseed = *(++argv);
1300                         meth = TLSv1_server_method();
1301                         }
1302 #endif
1303                 else if (strcmp(*argv,"-www") == 0)
1304                         { www=1; }
1305                 else if (strcmp(*argv,"-WWW") == 0)
1306                         { www=2; }
1307                 else if (strcmp(*argv,"-HTTP") == 0)
1308                         { www=3; }
1309 #ifndef OPENSSL_NO_SSL2
1310                 else if (strcmp(*argv,"-ssl2") == 0)
1311                         { meth=SSLv2_server_method(); }
1312 #endif
1313 #ifndef OPENSSL_NO_SSL3
1314                 else if (strcmp(*argv,"-ssl3") == 0)
1315                         { meth=SSLv3_server_method(); }
1316 #endif
1317 #ifndef OPENSSL_NO_TLS1
1318                 else if (strcmp(*argv,"-tls1") == 0)
1319                         { meth=TLSv1_server_method(); }
1320                 else if (strcmp(*argv,"-tls1_1") == 0)
1321                         { meth=TLSv1_1_server_method(); }
1322                 else if (strcmp(*argv,"-tls1_2") == 0)
1323                         { meth=TLSv1_2_server_method(); }
1324 #endif
1325 #ifndef OPENSSL_NO_DTLS1
1326                 else if (strcmp(*argv,"-dtls1") == 0)
1327                         {
1328                         meth=DTLSv1_server_method();
1329                         socket_type = SOCK_DGRAM;
1330                         }
1331                 else if (strcmp(*argv,"-timeout") == 0)
1332                         enable_timeouts = 1;
1333                 else if (strcmp(*argv,"-mtu") == 0)
1334                         {
1335                         if (--argc < 1) goto bad;
1336                         socket_mtu = atol(*(++argv));
1337                         }
1338                 else if (strcmp(*argv, "-chain") == 0)
1339                         cert_chain = 1;
1340 #endif
1341                 else if (strcmp(*argv, "-id_prefix") == 0)
1342                         {
1343                         if (--argc < 1) goto bad;
1344                         session_id_prefix = *(++argv);
1345                         }
1346 #ifndef OPENSSL_NO_ENGINE
1347                 else if (strcmp(*argv,"-engine") == 0)
1348                         {
1349                         if (--argc < 1) goto bad;
1350                         engine_id= *(++argv);
1351                         }
1352 #endif
1353                 else if (strcmp(*argv,"-rand") == 0)
1354                         {
1355                         if (--argc < 1) goto bad;
1356                         inrand= *(++argv);
1357                         }
1358 #ifndef OPENSSL_NO_TLSEXT
1359                 else if (strcmp(*argv,"-servername") == 0)
1360                         {
1361                         if (--argc < 1) goto bad;
1362                         tlsextcbp.servername= *(++argv);
1363                         }
1364                 else if (strcmp(*argv,"-servername_fatal") == 0)
1365                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1366                 else if (strcmp(*argv,"-cert2") == 0)
1367                         {
1368                         if (--argc < 1) goto bad;
1369                         s_cert_file2= *(++argv);
1370                         }
1371                 else if (strcmp(*argv,"-key2") == 0)
1372                         {
1373                         if (--argc < 1) goto bad;
1374                         s_key_file2= *(++argv);
1375                         }
1376 # ifndef OPENSSL_NO_NEXTPROTONEG
1377                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1378                         {
1379                         if (--argc < 1) goto bad;
1380                         next_proto_neg_in = *(++argv);
1381                         }
1382 # endif
1383 #endif
1384 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1385                 else if (strcmp(*argv,"-jpake") == 0)
1386                         {
1387                         if (--argc < 1) goto bad;
1388                         jpake_secret = *(++argv);
1389                         }
1390 #endif
1391                 else if (strcmp(*argv,"-use_srtp") == 0)
1392                         {
1393                         if (--argc < 1) goto bad;
1394                         srtp_profiles = *(++argv);
1395                         }
1396                 else if (strcmp(*argv,"-keymatexport") == 0)
1397                         {
1398                         if (--argc < 1) goto bad;
1399                         keymatexportlabel= *(++argv);
1400                         }
1401                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1402                         {
1403                         if (--argc < 1) goto bad;
1404                         keymatexportlen=atoi(*(++argv));
1405                         if (keymatexportlen == 0) goto bad;
1406                         }
1407                 else
1408                         {
1409                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1410                         badop=1;
1411                         break;
1412                         }
1413                 argc--;
1414                 argv++;
1415                 }
1416         if (badop)
1417                 {
1418 bad:
1419                 sv_usage();
1420                 goto end;
1421                 }
1422
1423 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1424         if (jpake_secret)
1425                 {
1426                 if (psk_key)
1427                         {
1428                         BIO_printf(bio_err,
1429                                    "Can't use JPAKE and PSK together\n");
1430                         goto end;
1431                         }
1432                 psk_identity = "JPAKE";
1433                 }
1434 #endif
1435
1436         SSL_load_error_strings();
1437         OpenSSL_add_ssl_algorithms();
1438
1439 #ifndef OPENSSL_NO_ENGINE
1440         e = setup_engine(bio_err, engine_id, 1);
1441 #endif
1442
1443         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1444                 {
1445                 BIO_printf(bio_err, "Error getting password\n");
1446                 goto end;
1447                 }
1448
1449
1450         if (s_key_file == NULL)
1451                 s_key_file = s_cert_file;
1452 #ifndef OPENSSL_NO_TLSEXT
1453         if (s_key_file2 == NULL)
1454                 s_key_file2 = s_cert_file2;
1455 #endif
1456
1457         if (!load_excert(&exc, bio_err))
1458                 goto end;
1459
1460         if (nocert == 0)
1461                 {
1462                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1463                        "server certificate private key file");
1464                 if (!s_key)
1465                         {
1466                         ERR_print_errors(bio_err);
1467                         goto end;
1468                         }
1469
1470                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1471                         NULL, e, "server certificate file");
1472
1473                 if (!s_cert)
1474                         {
1475                         ERR_print_errors(bio_err);
1476                         goto end;
1477                         }
1478                 if (s_chain_file)
1479                         {
1480                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1481                                         NULL, e, "server certificate chain");
1482                         if (!s_chain)
1483                                 goto end;
1484                         }
1485
1486 #ifndef OPENSSL_NO_TLSEXT
1487                 if (tlsextcbp.servername)
1488                         {
1489                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1490                                 "second server certificate private key file");
1491                         if (!s_key2)
1492                                 {
1493                                 ERR_print_errors(bio_err);
1494                                 goto end;
1495                                 }
1496
1497                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1498                                 NULL, e, "second server certificate file");
1499
1500                         if (!s_cert2)
1501                                 {
1502                                 ERR_print_errors(bio_err);
1503                                 goto end;
1504                                 }
1505                         }
1506 #endif /* OPENSSL_NO_TLSEXT */
1507                 }
1508
1509 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1510         if (next_proto_neg_in)
1511                 {
1512                 unsigned short len;
1513                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1514                 if (next_proto.data == NULL)
1515                         goto end;
1516                 next_proto.len = len;
1517                 }
1518         else
1519                 {
1520                 next_proto.data = NULL;
1521                 }
1522 #endif
1523
1524         if (crl_file)
1525                 {
1526                 X509_CRL *crl;
1527                 crl = load_crl(crl_file, crl_format);
1528                 if (!crl)
1529                         {
1530                         BIO_puts(bio_err, "Error loading CRL\n");
1531                         ERR_print_errors(bio_err);
1532                         goto end;
1533                         }
1534                 crls = sk_X509_CRL_new_null();
1535                 if (!crls || !sk_X509_CRL_push(crls, crl))
1536                         {
1537                         BIO_puts(bio_err, "Error adding CRL\n");
1538                         ERR_print_errors(bio_err);
1539                         X509_CRL_free(crl);
1540                         goto end;
1541                         }
1542                 }
1543
1544
1545         if (s_dcert_file)
1546                 {
1547
1548                 if (s_dkey_file == NULL)
1549                         s_dkey_file = s_dcert_file;
1550
1551                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1552                                 0, dpass, e,
1553                                "second certificate private key file");
1554                 if (!s_dkey)
1555                         {
1556                         ERR_print_errors(bio_err);
1557                         goto end;
1558                         }
1559
1560                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1561                                 NULL, e, "second server certificate file");
1562
1563                 if (!s_dcert)
1564                         {
1565                         ERR_print_errors(bio_err);
1566                         goto end;
1567                         }
1568                 if (s_dchain_file)
1569                         {
1570                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1571                                 NULL, e, "second server certificate chain");
1572                         if (!s_dchain)
1573                                 goto end;
1574                         }
1575
1576                 }
1577
1578         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1579                 && !RAND_status())
1580                 {
1581                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1582                 }
1583         if (inrand != NULL)
1584                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1585                         app_RAND_load_files(inrand));
1586
1587         if (bio_s_out == NULL)
1588                 {
1589                 if (s_quiet && !s_debug && !s_msg)
1590                         {
1591                         bio_s_out=BIO_new(BIO_s_null());
1592                         if (s_msg && !bio_s_msg)
1593                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1594                         }
1595                 else
1596                         {
1597                         if (bio_s_out == NULL)
1598                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1599                         }
1600                 }
1601
1602 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1603         if (nocert)
1604 #endif
1605                 {
1606                 s_cert_file=NULL;
1607                 s_key_file=NULL;
1608                 s_dcert_file=NULL;
1609                 s_dkey_file=NULL;
1610 #ifndef OPENSSL_NO_TLSEXT
1611                 s_cert_file2=NULL;
1612                 s_key_file2=NULL;
1613 #endif
1614                 }
1615
1616         ctx=SSL_CTX_new(meth);
1617         if (ctx == NULL)
1618                 {
1619                 ERR_print_errors(bio_err);
1620                 goto end;
1621                 }
1622         if (session_id_prefix)
1623                 {
1624                 if(strlen(session_id_prefix) >= 32)
1625                         BIO_printf(bio_err,
1626 "warning: id_prefix is too long, only one new session will be possible\n");
1627                 else if(strlen(session_id_prefix) >= 16)
1628                         BIO_printf(bio_err,
1629 "warning: id_prefix is too long if you use SSLv2\n");
1630                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1631                         {
1632                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1633                         ERR_print_errors(bio_err);
1634                         goto end;
1635                         }
1636                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1637                 }
1638         SSL_CTX_set_quiet_shutdown(ctx,1);
1639         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1640         if (exc) ssl_ctx_set_excert(ctx, exc);
1641         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1642          * Setting read ahead solves this problem.
1643          */
1644         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1645
1646         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1647         if (no_cache)
1648                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1649         else
1650                 SSL_CTX_sess_set_cache_size(ctx,128);
1651
1652         if (srtp_profiles != NULL)
1653                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1654
1655 #if 0
1656         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1657 #endif
1658
1659 #if 0
1660         if (s_cert_file == NULL)
1661                 {
1662                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1663                 goto end;
1664                 }
1665 #endif
1666
1667         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1668                 (!SSL_CTX_set_default_verify_paths(ctx)))
1669                 {
1670                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1671                 ERR_print_errors(bio_err);
1672                 /* goto end; */
1673                 }
1674         if (vpm)
1675                 SSL_CTX_set1_param(ctx, vpm);
1676
1677         ssl_ctx_add_crls(ctx, crls);
1678
1679         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1680                 goto end;
1681
1682         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, crls))
1683                 {
1684                 BIO_printf(bio_err, "Error loading store locations\n");
1685                 ERR_print_errors(bio_err);
1686                 goto end;
1687                 }
1688
1689 #ifndef OPENSSL_NO_TLSEXT
1690         if (s_cert2)
1691                 {
1692                 ctx2=SSL_CTX_new(meth);
1693                 if (ctx2 == NULL)
1694                         {
1695                         ERR_print_errors(bio_err);
1696                         goto end;
1697                         }
1698                 }
1699
1700         if (ctx2)
1701                 {
1702                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1703
1704                 if (session_id_prefix)
1705                         {
1706                         if(strlen(session_id_prefix) >= 32)
1707                                 BIO_printf(bio_err,
1708                                         "warning: id_prefix is too long, only one new session will be possible\n");
1709                         else if(strlen(session_id_prefix) >= 16)
1710                                 BIO_printf(bio_err,
1711                                         "warning: id_prefix is too long if you use SSLv2\n");
1712                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1713                                 {
1714                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1715                                 ERR_print_errors(bio_err);
1716                                 goto end;
1717                                 }
1718                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1719                         }
1720                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1721                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1722                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1723                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1724                  * Setting read ahead solves this problem.
1725                  */
1726                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1727
1728                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1729
1730                 if (no_cache)
1731                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1732                 else
1733                         SSL_CTX_sess_set_cache_size(ctx2,128);
1734
1735                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1736                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1737                         {
1738                         ERR_print_errors(bio_err);
1739                         }
1740                 if (vpm)
1741                         SSL_CTX_set1_param(ctx2, vpm);
1742
1743                 ssl_ctx_add_crls(ctx2, crls);
1744
1745                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1746                         goto end;
1747
1748                 }
1749
1750 # ifndef OPENSSL_NO_NEXTPROTONEG
1751         if (next_proto.data)
1752                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1753 # endif
1754 #endif
1755
1756 #ifndef OPENSSL_NO_DH
1757         if (!no_dhe)
1758                 {
1759                 DH *dh=NULL;
1760
1761                 if (dhfile)
1762                         dh = load_dh_param(dhfile);
1763                 else if (s_cert_file)
1764                         dh = load_dh_param(s_cert_file);
1765
1766                 if (dh != NULL)
1767                         {
1768                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1769                         }
1770                 else
1771                         {
1772                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1773                         dh=get_dh512();
1774                         }
1775                 (void)BIO_flush(bio_s_out);
1776
1777                 SSL_CTX_set_tmp_dh(ctx,dh);
1778 #ifndef OPENSSL_NO_TLSEXT
1779                 if (ctx2)
1780                         {
1781                         if (!dhfile)
1782                                 {
1783                                 DH *dh2=load_dh_param(s_cert_file2);
1784                                 if (dh2 != NULL)
1785                                         {
1786                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1787                                         (void)BIO_flush(bio_s_out);
1788
1789                                         DH_free(dh);
1790                                         dh = dh2;
1791                                         }
1792                                 }
1793                         SSL_CTX_set_tmp_dh(ctx2,dh);
1794                         }
1795 #endif
1796                 DH_free(dh);
1797                 }
1798 #endif
1799
1800 #ifndef OPENSSL_NO_ECDH
1801         if (!no_ecdhe)
1802                 {
1803                 EC_KEY *ecdh=NULL;
1804
1805                 if (named_curve && strcmp(named_curve, "auto"))
1806                         {
1807                         int nid = EC_curve_nist2nid(named_curve);
1808                         if (nid == NID_undef)
1809                                 nid = OBJ_sn2nid(named_curve);
1810                         if (nid == 0)
1811                                 {
1812                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1813                                         named_curve);
1814                                 goto end;
1815                                 }
1816                         ecdh = EC_KEY_new_by_curve_name(nid);
1817                         if (ecdh == NULL)
1818                                 {
1819                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1820                                         named_curve);
1821                                 goto end;
1822                                 }
1823                         }
1824
1825                 if (ecdh != NULL)
1826                         {
1827                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1828                         }
1829                 else if (named_curve)
1830                         SSL_CTX_set_ecdh_auto(ctx, 1);
1831                 else
1832                         {
1833                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1834                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1835                         if (ecdh == NULL)
1836                                 {
1837                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1838                                 goto end;
1839                                 }
1840                         }
1841                 (void)BIO_flush(bio_s_out);
1842
1843                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1844 #ifndef OPENSSL_NO_TLSEXT
1845                 if (ctx2)
1846                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1847 #endif
1848                 EC_KEY_free(ecdh);
1849                 }
1850 #endif
1851
1852         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1853                 goto end;
1854 #ifndef OPENSSL_NO_TLSEXT
1855         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1856                 goto end;
1857 #endif
1858 #ifndef OPENSSL_NO_TLSEXT
1859         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1860                 goto end;
1861 #endif
1862         if (s_dcert != NULL)
1863                 {
1864                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1865                         goto end;
1866                 }
1867
1868 #ifndef OPENSSL_NO_RSA
1869 #if 1
1870         if (!no_tmp_rsa)
1871                 {
1872                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1873 #ifndef OPENSSL_NO_TLSEXT
1874                 if (ctx2)
1875                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1876 #endif
1877                 }
1878 #else
1879         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1880                 {
1881                 RSA *rsa;
1882
1883                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1884                 BIO_flush(bio_s_out);
1885
1886                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1887
1888                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1889                         {
1890                         ERR_print_errors(bio_err);
1891                         goto end;
1892                         }
1893 #ifndef OPENSSL_NO_TLSEXT
1894                         if (ctx2)
1895                                 {
1896                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1897                                         {
1898                                         ERR_print_errors(bio_err);
1899                                         goto end;
1900                                         }
1901                                 }
1902 #endif
1903                 RSA_free(rsa);
1904                 BIO_printf(bio_s_out,"\n");
1905                 }
1906 #endif
1907 #endif
1908
1909 #ifndef OPENSSL_NO_PSK
1910 #ifdef OPENSSL_NO_JPAKE
1911         if (psk_key != NULL)
1912 #else
1913         if (psk_key != NULL || jpake_secret)
1914 #endif
1915                 {
1916                 if (s_debug)
1917                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1918                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1919                 }
1920
1921         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1922                 {
1923                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1924                 ERR_print_errors(bio_err);
1925                 goto end;
1926                 }
1927 #endif
1928
1929         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1930         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1931                 sizeof s_server_session_id_context);
1932
1933         /* Set DTLS cookie generation and verification callbacks */
1934         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1935         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1936
1937 #ifndef OPENSSL_NO_TLSEXT
1938         if (ctx2)
1939                 {
1940                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1941                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1942                         sizeof s_server_session_id_context);
1943
1944                 tlsextcbp.biodebug = bio_s_out;
1945                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1946                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1947                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1948                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1949                 }
1950 #endif
1951
1952 #ifndef OPENSSL_NO_SRP
1953         if (srp_verifier_file != NULL)
1954                 {
1955                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1956                 srp_callback_parm.user = NULL;
1957                 srp_callback_parm.login = NULL;
1958                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1959                         {
1960                         BIO_printf(bio_err,
1961                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1962                                    srp_verifier_file, ret);
1963                                 goto end;
1964                         }
1965                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1966                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1967                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1968                 }
1969         else
1970 #endif
1971         if (CAfile != NULL)
1972                 {
1973                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1974 #ifndef OPENSSL_NO_TLSEXT
1975                 if (ctx2)
1976                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1977 #endif
1978                 }
1979
1980         BIO_printf(bio_s_out,"ACCEPT\n");
1981         (void)BIO_flush(bio_s_out);
1982         if (www)
1983                 do_server(port,socket_type,&accept_socket,www_body, context);
1984         else
1985                 do_server(port,socket_type,&accept_socket,sv_body, context);
1986         print_stats(bio_s_out,ctx);
1987         ret=0;
1988 end:
1989         if (ctx != NULL) SSL_CTX_free(ctx);
1990         if (s_cert)
1991                 X509_free(s_cert);
1992         if (crls)
1993                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1994         if (s_dcert)
1995                 X509_free(s_dcert);
1996         if (s_key)
1997                 EVP_PKEY_free(s_key);
1998         if (s_dkey)
1999                 EVP_PKEY_free(s_dkey);
2000         if (s_chain)
2001                 sk_X509_pop_free(s_chain, X509_free);
2002         if (s_dchain)
2003                 sk_X509_pop_free(s_dchain, X509_free);
2004         if (pass)
2005                 OPENSSL_free(pass);
2006         if (dpass)
2007                 OPENSSL_free(dpass);
2008         if (vpm)
2009                 X509_VERIFY_PARAM_free(vpm);
2010 #ifndef OPENSSL_NO_TLSEXT
2011         if (tlscstatp.host)
2012                 OPENSSL_free(tlscstatp.host);
2013         if (tlscstatp.port)
2014                 OPENSSL_free(tlscstatp.port);
2015         if (tlscstatp.path)
2016                 OPENSSL_free(tlscstatp.path);
2017         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2018         if (s_cert2)
2019                 X509_free(s_cert2);
2020         if (s_key2)
2021                 EVP_PKEY_free(s_key2);
2022         if (authz_in != NULL)
2023                 BIO_free(authz_in);
2024 #endif
2025         ssl_excert_free(exc);
2026         if (ssl_args)
2027                 sk_OPENSSL_STRING_free(ssl_args);
2028         if (cctx)
2029                 SSL_CONF_CTX_free(cctx);
2030 #ifndef OPENSSL_NO_JPAKE
2031         if (jpake_secret && psk_key)
2032                 OPENSSL_free(psk_key);
2033 #endif
2034         if (bio_s_out != NULL)
2035                 {
2036                 BIO_free(bio_s_out);
2037                 bio_s_out=NULL;
2038                 }
2039         if (bio_s_msg != NULL)
2040                 {
2041                 BIO_free(bio_s_msg);
2042                 bio_s_msg = NULL;
2043                 }
2044         apps_shutdown();
2045         OPENSSL_EXIT(ret);
2046         }
2047
2048 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2049         {
2050         BIO_printf(bio,"%4ld items in the session cache\n",
2051                 SSL_CTX_sess_number(ssl_ctx));
2052         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2053                 SSL_CTX_sess_connect(ssl_ctx));
2054         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2055                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2056         BIO_printf(bio,"%4ld client connects that finished\n",
2057                 SSL_CTX_sess_connect_good(ssl_ctx));
2058         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2059                 SSL_CTX_sess_accept(ssl_ctx));
2060         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2061                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2062         BIO_printf(bio,"%4ld server accepts that finished\n",
2063                 SSL_CTX_sess_accept_good(ssl_ctx));
2064         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2065         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2066         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2067         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2068         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2069                 SSL_CTX_sess_cache_full(ssl_ctx),
2070                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2071         }
2072
2073 static int sv_body(char *hostname, int s, unsigned char *context)
2074         {
2075         char *buf=NULL;
2076         fd_set readfds;
2077         int ret=1,width;
2078         int k,i;
2079         unsigned long l;
2080         SSL *con=NULL;
2081         BIO *sbio;
2082 #ifndef OPENSSL_NO_KRB5
2083         KSSL_CTX *kctx;
2084 #endif
2085         struct timeval timeout;
2086 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2087         struct timeval tv;
2088 #else
2089         struct timeval *timeoutp;
2090 #endif
2091
2092         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2093                 {
2094                 BIO_printf(bio_err,"out of memory\n");
2095                 goto err;
2096                 }
2097 #ifdef FIONBIO
2098         if (s_nbio)
2099                 {
2100                 unsigned long sl=1;
2101
2102                 if (!s_quiet)
2103                         BIO_printf(bio_err,"turning on non blocking io\n");
2104                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2105                         ERR_print_errors(bio_err);
2106                 }
2107 #endif
2108
2109         if (con == NULL) {
2110                 con=SSL_new(ctx);
2111 #ifndef OPENSSL_NO_TLSEXT
2112         if (s_tlsextdebug)
2113                 {
2114                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2115                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2116                 }
2117         if (s_tlsextstatus)
2118                 {
2119                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2120                 tlscstatp.err = bio_err;
2121                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2122                 }
2123 #endif
2124 #ifndef OPENSSL_NO_KRB5
2125                 if ((kctx = kssl_ctx_new()) != NULL)
2126                         {
2127                         SSL_set0_kssl_ctx(con, kctx);
2128                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2129                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2130                         }
2131 #endif  /* OPENSSL_NO_KRB5 */
2132                 if(context)
2133                       SSL_set_session_id_context(con, context,
2134                                                  strlen((char *)context));
2135         }
2136         SSL_clear(con);
2137 #if 0
2138 #ifdef TLSEXT_TYPE_opaque_prf_input
2139         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2140 #endif
2141 #endif
2142
2143         if (SSL_version(con) == DTLS1_VERSION)
2144                 {
2145
2146                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2147
2148                 if (enable_timeouts)
2149                         {
2150                         timeout.tv_sec = 0;
2151                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2152                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2153
2154                         timeout.tv_sec = 0;
2155                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2156                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2157                         }
2158
2159                 if (socket_mtu > 28)
2160                         {
2161                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2162                         SSL_set_mtu(con, socket_mtu - 28);
2163                         }
2164                 else
2165                         /* want to do MTU discovery */
2166                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2167
2168         /* turn on cookie exchange */
2169         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2170                 }
2171         else
2172                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2173
2174         if (s_nbio_test)
2175                 {
2176                 BIO *test;
2177
2178                 test=BIO_new(BIO_f_nbio_test());
2179                 sbio=BIO_push(test,sbio);
2180                 }
2181 #ifndef OPENSSL_NO_JPAKE
2182         if(jpake_secret)
2183                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2184 #endif
2185
2186         SSL_set_bio(con,sbio,sbio);
2187         SSL_set_accept_state(con);
2188         /* SSL_set_fd(con,s); */
2189
2190         if (s_debug)
2191                 {
2192                 SSL_set_debug(con, 1);
2193                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2194                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2195                 }
2196         if (s_msg)
2197                 {
2198 #ifndef OPENSSL_NO_SSL_TRACE
2199                 if (s_msg == 2)
2200                         SSL_set_msg_callback(con, SSL_trace);
2201                 else
2202 #endif
2203                         SSL_set_msg_callback(con, msg_cb);
2204                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2205                 }
2206 #ifndef OPENSSL_NO_TLSEXT
2207         if (s_tlsextdebug)
2208                 {
2209                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2210                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2211                 }
2212 #endif
2213
2214         width=s+1;
2215         for (;;)
2216                 {
2217                 int read_from_terminal;
2218                 int read_from_sslcon;
2219
2220                 read_from_terminal = 0;
2221                 read_from_sslcon = SSL_pending(con);
2222
2223                 if (!read_from_sslcon)
2224                         {
2225                         FD_ZERO(&readfds);
2226 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2227                         openssl_fdset(fileno(stdin),&readfds);
2228 #endif
2229                         openssl_fdset(s,&readfds);
2230                         /* Note: under VMS with SOCKETSHR the second parameter is
2231                          * currently of type (int *) whereas under other systems
2232                          * it is (void *) if you don't have a cast it will choke
2233                          * the compiler: if you do have a cast then you can either
2234                          * go for (int *) or (void *).
2235                          */
2236 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2237                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2238                          * on sockets. As a workaround we timeout the select every
2239                          * second and check for any keypress. In a proper Windows
2240                          * application we wouldn't do this because it is inefficient.
2241                          */
2242                         tv.tv_sec = 1;
2243                         tv.tv_usec = 0;
2244                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2245                         if((i < 0) || (!i && !_kbhit() ) )continue;
2246                         if(_kbhit())
2247                                 read_from_terminal = 1;
2248 #elif defined(OPENSSL_SYS_BEOS_R5)
2249                         /* Under BeOS-R5 the situation is similar to DOS */
2250                         tv.tv_sec = 1;
2251                         tv.tv_usec = 0;
2252                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2253                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2254                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2255                                 continue;
2256                         if (read(fileno(stdin), buf, 0) >= 0)
2257                                 read_from_terminal = 1;
2258                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2259 #else
2260                         if ((SSL_version(con) == DTLS1_VERSION) &&
2261                                 DTLSv1_get_timeout(con, &timeout))
2262                                 timeoutp = &timeout;
2263                         else
2264                                 timeoutp = NULL;
2265
2266                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2267
2268                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2269                                 {
2270                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2271                                 }
2272
2273                         if (i <= 0) continue;
2274                         if (FD_ISSET(fileno(stdin),&readfds))
2275                                 read_from_terminal = 1;
2276 #endif
2277                         if (FD_ISSET(s,&readfds))
2278                                 read_from_sslcon = 1;
2279                         }
2280                 if (read_from_terminal)
2281                         {
2282                         if (s_crlf)
2283                                 {
2284                                 int j, lf_num;
2285
2286                                 i=raw_read_stdin(buf, bufsize/2);
2287                                 lf_num = 0;
2288                                 /* both loops are skipped when i <= 0 */
2289                                 for (j = 0; j < i; j++)
2290                                         if (buf[j] == '\n')
2291                                                 lf_num++;
2292                                 for (j = i-1; j >= 0; j--)
2293                                         {
2294                                         buf[j+lf_num] = buf[j];
2295                                         if (buf[j] == '\n')
2296                                                 {
2297                                                 lf_num--;
2298                                                 i++;
2299                                                 buf[j+lf_num] = '\r';
2300                                                 }
2301                                         }
2302                                 assert(lf_num == 0);
2303                                 }
2304                         else
2305                                 i=raw_read_stdin(buf,bufsize);
2306                         if (!s_quiet)
2307                                 {
2308                                 if ((i <= 0) || (buf[0] == 'Q'))
2309                                         {
2310                                         BIO_printf(bio_s_out,"DONE\n");
2311                                         SHUTDOWN(s);
2312                                         close_accept_socket();
2313                                         ret= -11;
2314                                         goto err;
2315                                         }
2316                                 if ((i <= 0) || (buf[0] == 'q'))
2317                                         {
2318                                         BIO_printf(bio_s_out,"DONE\n");
2319                                         if (SSL_version(con) != DTLS1_VERSION)
2320                         SHUTDOWN(s);
2321         /*                              close_accept_socket();
2322                                         ret= -11;*/
2323                                         goto err;
2324                                         }
2325
2326 #ifndef OPENSSL_NO_HEARTBEATS
2327                                 if ((buf[0] == 'B') &&
2328                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2329                                         {
2330                                         BIO_printf(bio_err,"HEARTBEATING\n");
2331                                         SSL_heartbeat(con);
2332                                         i=0;
2333                                         continue;
2334                                         }
2335 #endif
2336                                 if ((buf[0] == 'r') &&
2337                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2338                                         {
2339                                         SSL_renegotiate(con);
2340                                         i=SSL_do_handshake(con);
2341                                         printf("SSL_do_handshake -> %d\n",i);
2342                                         i=0; /*13; */
2343                                         continue;
2344                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2345                                         }
2346                                 if ((buf[0] == 'R') &&
2347                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2348                                         {
2349                                         SSL_set_verify(con,
2350                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2351                                         SSL_renegotiate(con);
2352                                         i=SSL_do_handshake(con);
2353                                         printf("SSL_do_handshake -> %d\n",i);
2354                                         i=0; /* 13; */
2355                                         continue;
2356                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2357                                         }
2358                                 if (buf[0] == 'P')
2359                                         {
2360                                         static const char *str="Lets print some clear text\n";
2361                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2362                                         }
2363                                 if (buf[0] == 'S')
2364                                         {
2365                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2366                                         }
2367                                 }
2368 #ifdef CHARSET_EBCDIC
2369                         ebcdic2ascii(buf,buf,i);
2370 #endif
2371                         l=k=0;
2372                         for (;;)
2373                                 {
2374                                 /* should do a select for the write */
2375 #ifdef RENEG
2376 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2377 #endif
2378                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2379 #ifndef OPENSSL_NO_SRP
2380                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2381                                         {
2382                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2383                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2384                                         if (srp_callback_parm.user)
2385                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2386                                         else
2387                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2388                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2389                                         }
2390 #endif
2391                                 switch (SSL_get_error(con,k))
2392                                         {
2393                                 case SSL_ERROR_NONE:
2394                                         break;
2395                                 case SSL_ERROR_WANT_WRITE:
2396                                 case SSL_ERROR_WANT_READ:
2397                                 case SSL_ERROR_WANT_X509_LOOKUP:
2398                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2399                                         break;
2400                                 case SSL_ERROR_SYSCALL:
2401                                 case SSL_ERROR_SSL:
2402                                         BIO_printf(bio_s_out,"ERROR\n");
2403                                         ERR_print_errors(bio_err);
2404                                         ret=1;
2405                                         goto err;
2406                                         /* break; */
2407                                 case SSL_ERROR_ZERO_RETURN:
2408                                         BIO_printf(bio_s_out,"DONE\n");
2409                                         ret=1;
2410                                         goto err;
2411                                         }
2412                                 l+=k;
2413                                 i-=k;
2414                                 if (i <= 0) break;
2415                                 }
2416                         }
2417                 if (read_from_sslcon)
2418                         {
2419                         if (!SSL_is_init_finished(con))
2420                                 {
2421                                 i=init_ssl_connection(con);
2422
2423                                 if (i < 0)
2424                                         {
2425                                         ret=0;
2426                                         goto err;
2427                                         }
2428                                 else if (i == 0)
2429                                         {
2430                                         ret=1;
2431                                         goto err;
2432                                         }
2433                                 }
2434                         else
2435                                 {
2436 again:
2437                                 i=SSL_read(con,(char *)buf,bufsize);
2438 #ifndef OPENSSL_NO_SRP
2439                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2440                                         {
2441                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2442                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2443                                         if (srp_callback_parm.user)
2444                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2445                                         else
2446                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2447                                         i=SSL_read(con,(char *)buf,bufsize);
2448                                         }
2449 #endif
2450                                 switch (SSL_get_error(con,i))
2451                                         {
2452                                 case SSL_ERROR_NONE:
2453 #ifdef CHARSET_EBCDIC
2454                                         ascii2ebcdic(buf,buf,i);
2455 #endif
2456                                         raw_write_stdout(buf,
2457                                                 (unsigned int)i);
2458                                         if (SSL_pending(con)) goto again;
2459                                         break;
2460                                 case SSL_ERROR_WANT_WRITE:
2461                                 case SSL_ERROR_WANT_READ:
2462                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2463                                         break;
2464                                 case SSL_ERROR_SYSCALL:
2465                                 case SSL_ERROR_SSL:
2466                                         BIO_printf(bio_s_out,"ERROR\n");
2467                                         ERR_print_errors(bio_err);
2468                                         ret=1;
2469                                         goto err;
2470                                 case SSL_ERROR_ZERO_RETURN:
2471                                         BIO_printf(bio_s_out,"DONE\n");
2472                                         ret=1;
2473                                         goto err;
2474                                         }
2475                                 }
2476                         }
2477                 }
2478 err:
2479         if (con != NULL)
2480                 {
2481                 BIO_printf(bio_s_out,"shutting down SSL\n");
2482 #if 1
2483                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2484 #else
2485                 SSL_shutdown(con);
2486 #endif
2487                 SSL_free(con);
2488                 }
2489         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2490         if (buf != NULL)
2491                 {
2492                 OPENSSL_cleanse(buf,bufsize);
2493                 OPENSSL_free(buf);
2494                 }
2495         if (ret >= 0)
2496                 BIO_printf(bio_s_out,"ACCEPT\n");
2497         return(ret);
2498         }
2499
2500 static void close_accept_socket(void)
2501         {
2502         BIO_printf(bio_err,"shutdown accept socket\n");
2503         if (accept_socket >= 0)
2504                 {
2505                 SHUTDOWN2(accept_socket);
2506                 }
2507         }
2508
2509 static int init_ssl_connection(SSL *con)
2510         {
2511         int i;
2512         const char *str;
2513         X509 *peer;
2514         long verify_error;
2515         MS_STATIC char buf[BUFSIZ];
2516 #ifndef OPENSSL_NO_KRB5
2517         char *client_princ;
2518 #endif
2519 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2520         const unsigned char *next_proto_neg;
2521         unsigned next_proto_neg_len;
2522 #endif
2523         unsigned char *exportedkeymat;
2524
2525
2526         i=SSL_accept(con);
2527 #ifndef OPENSSL_NO_SRP
2528         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2529                 {
2530                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2531                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2532                         if (srp_callback_parm.user)
2533                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2534                         else
2535                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2536                         i=SSL_accept(con);
2537                 }
2538 #endif
2539         if (i <= 0)
2540                 {
2541                 if (BIO_sock_should_retry(i))
2542                         {
2543                         BIO_printf(bio_s_out,"DELAY\n");
2544                         return(1);
2545                         }
2546
2547                 BIO_printf(bio_err,"ERROR\n");
2548                 verify_error=SSL_get_verify_result(con);
2549                 if (verify_error != X509_V_OK)
2550                         {
2551                         BIO_printf(bio_err,"verify error:%s\n",
2552                                 X509_verify_cert_error_string(verify_error));
2553                         }
2554                 /* Always print any error messages */
2555                 ERR_print_errors(bio_err);
2556                 return(0);
2557                 }
2558
2559         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2560
2561         peer=SSL_get_peer_certificate(con);
2562         if (peer != NULL)
2563                 {
2564                 BIO_printf(bio_s_out,"Client certificate\n");
2565                 PEM_write_bio_X509(bio_s_out,peer);
2566                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2567                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2568                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2569                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2570                 X509_free(peer);
2571                 }
2572
2573         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2574                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2575         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2576         ssl_print_sigalgs(bio_s_out, con);
2577         ssl_print_curves(bio_s_out, con);
2578         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2579
2580 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2581         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2582         if (next_proto_neg)
2583                 {
2584                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2585                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2586                 BIO_printf(bio_s_out, "\n");
2587                 }
2588 #endif
2589         {
2590         SRTP_PROTECTION_PROFILE *srtp_profile
2591           = SSL_get_selected_srtp_profile(con);
2592
2593         if(srtp_profile)
2594                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2595                            srtp_profile->name);
2596         }
2597         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2598         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2599                 TLS1_FLAGS_TLS_PADDING_BUG)
2600                 BIO_printf(bio_s_out,
2601                            "Peer has incorrect TLSv1 block padding\n");
2602 #ifndef OPENSSL_NO_KRB5
2603         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2604         if (client_princ != NULL)
2605                 {
2606                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2607                                                                 client_princ);
2608                 }
2609 #endif /* OPENSSL_NO_KRB5 */
2610         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2611                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2612         if (keymatexportlabel != NULL)
2613                 {
2614                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2615                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2616                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2617                            keymatexportlen);
2618                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2619                 if (exportedkeymat != NULL)
2620                         {
2621                         if (!SSL_export_keying_material(con, exportedkeymat,
2622                                                         keymatexportlen,
2623                                                         keymatexportlabel,
2624                                                         strlen(keymatexportlabel),
2625                                                         NULL, 0, 0))
2626                                 {
2627                                 BIO_printf(bio_s_out, "    Error\n");
2628                                 }
2629                         else
2630                                 {
2631                                 BIO_printf(bio_s_out, "    Keying material: ");
2632                                 for (i=0; i<keymatexportlen; i++)
2633                                         BIO_printf(bio_s_out, "%02X",
2634                                                    exportedkeymat[i]);
2635                                 BIO_printf(bio_s_out, "\n");
2636                                 }
2637                         OPENSSL_free(exportedkeymat);
2638                         }
2639                 }
2640
2641         return(1);
2642         }
2643
2644 #ifndef OPENSSL_NO_DH
2645 static DH *load_dh_param(const char *dhfile)
2646         {
2647         DH *ret=NULL;
2648         BIO *bio;
2649
2650         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2651                 goto err;
2652         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2653 err:
2654         if (bio != NULL) BIO_free(bio);
2655         return(ret);
2656         }
2657 #endif
2658 #ifndef OPENSSL_NO_KRB5
2659         char *client_princ;
2660 #endif
2661
2662 #if 0
2663 static int load_CA(SSL_CTX *ctx, char *file)
2664         {
2665         FILE *in;
2666         X509 *x=NULL;
2667
2668         if ((in=fopen(file,"r")) == NULL)
2669                 return(0);
2670
2671         for (;;)
2672                 {
2673                 if (PEM_read_X509(in,&x,NULL) == NULL)
2674                         break;
2675                 SSL_CTX_add_client_CA(ctx,x);
2676                 }
2677         if (x != NULL) X509_free(x);
2678         fclose(in);
2679         return(1);
2680         }
2681 #endif
2682
2683 static int www_body(char *hostname, int s, unsigned char *context)
2684         {
2685         char *buf=NULL;
2686         int ret=1;
2687         int i,j,k,dot;
2688         SSL *con;
2689         const SSL_CIPHER *c;
2690         BIO *io,*ssl_bio,*sbio;
2691 #ifndef OPENSSL_NO_KRB5
2692         KSSL_CTX *kctx;
2693 #endif
2694
2695         buf=OPENSSL_malloc(bufsize);
2696         if (buf == NULL) return(0);
2697         io=BIO_new(BIO_f_buffer());
2698         ssl_bio=BIO_new(BIO_f_ssl());
2699         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2700
2701 #ifdef FIONBIO
2702         if (s_nbio)
2703                 {
2704                 unsigned long sl=1;
2705
2706                 if (!s_quiet)
2707                         BIO_printf(bio_err,"turning on non blocking io\n");
2708                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2709                         ERR_print_errors(bio_err);
2710                 }
2711 #endif
2712
2713         /* lets make the output buffer a reasonable size */
2714         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2715
2716         if ((con=SSL_new(ctx)) == NULL) goto err;
2717 #ifndef OPENSSL_NO_TLSEXT
2718                 if (s_tlsextdebug)
2719                         {
2720                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2721                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2722                         }
2723 #endif
2724 #ifndef OPENSSL_NO_KRB5
2725         if ((kctx = kssl_ctx_new()) != NULL)
2726                 {
2727                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2728                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2729                 }
2730 #endif  /* OPENSSL_NO_KRB5 */
2731         if(context) SSL_set_session_id_context(con, context,
2732                                                strlen((char *)context));
2733
2734         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2735         if (s_nbio_test)
2736                 {
2737                 BIO *test;
2738
2739                 test=BIO_new(BIO_f_nbio_test());
2740                 sbio=BIO_push(test,sbio);
2741                 }
2742         SSL_set_bio(con,sbio,sbio);
2743         SSL_set_accept_state(con);
2744
2745         /* SSL_set_fd(con,s); */
2746         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2747         BIO_push(io,ssl_bio);
2748 #ifdef CHARSET_EBCDIC
2749         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2750 #endif
2751
2752         if (s_debug)
2753                 {
2754                 SSL_set_debug(con, 1);
2755                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2756                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2757                 }
2758         if (s_msg)
2759                 {
2760 #ifndef OPENSSL_NO_SSL_TRACE
2761                 if (s_msg == 2)
2762                         SSL_set_msg_callback(con, SSL_trace);
2763                 else
2764 #endif
2765                         SSL_set_msg_callback(con, msg_cb);
2766                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2767                 }
2768
2769         for (;;)
2770                 {
2771                 if (hack)
2772                         {
2773                         i=SSL_accept(con);
2774 #ifndef OPENSSL_NO_SRP
2775                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2776                 {
2777                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2778                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2779                         if (srp_callback_parm.user)
2780                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2781                         else
2782                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2783                         i=SSL_accept(con);
2784                 }
2785 #endif
2786                         switch (SSL_get_error(con,i))
2787                                 {
2788                         case SSL_ERROR_NONE:
2789                                 break;
2790                         case SSL_ERROR_WANT_WRITE:
2791                         case SSL_ERROR_WANT_READ:
2792                         case SSL_ERROR_WANT_X509_LOOKUP:
2793                                 continue;
2794                         case SSL_ERROR_SYSCALL:
2795                         case SSL_ERROR_SSL:
2796                         case SSL_ERROR_ZERO_RETURN:
2797                                 ret=1;
2798                                 goto err;
2799                                 /* break; */
2800                                 }
2801
2802                         SSL_renegotiate(con);
2803                         SSL_write(con,NULL,0);
2804                         }
2805
2806                 i=BIO_gets(io,buf,bufsize-1);
2807                 if (i < 0) /* error */
2808                         {
2809                         if (!BIO_should_retry(io))
2810                                 {
2811                                 if (!s_quiet)
2812                                         ERR_print_errors(bio_err);
2813                                 goto err;
2814                                 }
2815                         else
2816                                 {
2817                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2818 #if defined(OPENSSL_SYS_NETWARE)
2819             delay(1000);
2820 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2821                                 sleep(1);
2822 #endif
2823                                 continue;
2824                                 }
2825                         }
2826                 else if (i == 0) /* end of input */
2827                         {
2828                         ret=1;
2829                         goto end;
2830                         }
2831
2832                 /* else we have data */
2833                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2834                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2835                         {
2836                         char *p;
2837                         X509 *peer;
2838                         STACK_OF(SSL_CIPHER) *sk;
2839                         static const char *space="                          ";
2840
2841                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2842                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2843                         BIO_puts(io,"<pre>\n");
2844 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2845                         BIO_puts(io,"\n");
2846                         for (i=0; i<local_argc; i++)
2847                                 {
2848                                 BIO_puts(io,local_argv[i]);
2849                                 BIO_write(io," ",1);
2850                                 }
2851                         BIO_puts(io,"\n");
2852
2853                         BIO_printf(io,
2854                                 "Secure Renegotiation IS%s supported\n",
2855                                 SSL_get_secure_renegotiation_support(con) ?
2856                                                         "" : " NOT");
2857
2858                         /* The following is evil and should not really
2859                          * be done */
2860                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2861                         sk=SSL_get_ciphers(con);
2862                         j=sk_SSL_CIPHER_num(sk);
2863                         for (i=0; i<j; i++)
2864                                 {
2865                                 c=sk_SSL_CIPHER_value(sk,i);
2866                                 BIO_printf(io,"%-11s:%-25s",
2867                                         SSL_CIPHER_get_version(c),
2868                                         SSL_CIPHER_get_name(c));
2869                                 if ((((i+1)%2) == 0) && (i+1 != j))
2870                                         BIO_puts(io,"\n");
2871                                 }
2872                         BIO_puts(io,"\n");
2873                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2874                         if (p != NULL)
2875                                 {
2876                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2877                                 j=i=0;
2878                                 while (*p)
2879                                         {
2880                                         if (*p == ':')
2881                                                 {
2882                                                 BIO_write(io,space,26-j);
2883                                                 i++;
2884                                                 j=0;
2885                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2886                                                 }
2887                                         else
2888                                                 {
2889                                                 BIO_write(io,p,1);
2890                                                 j++;
2891                                                 }
2892                                         p++;
2893                                         }
2894                                 BIO_puts(io,"\n");
2895                                 }
2896                         ssl_print_sigalgs(io, con);
2897                         ssl_print_curves(io, con);
2898                         BIO_printf(io,(SSL_cache_hit(con)
2899                                 ?"---\nReused, "
2900                                 :"---\nNew, "));
2901                         c=SSL_get_current_cipher(con);
2902                         BIO_printf(io,"%s, Cipher is %s\n",
2903                                 SSL_CIPHER_get_version(c),
2904                                 SSL_CIPHER_get_name(c));
2905                         SSL_SESSION_print(io,SSL_get_session(con));
2906                         BIO_printf(io,"---\n");
2907                         print_stats(io,SSL_get_SSL_CTX(con));
2908                         BIO_printf(io,"---\n");
2909                         peer=SSL_get_peer_certificate(con);
2910                         if (peer != NULL)
2911                                 {
2912                                 BIO_printf(io,"Client certificate\n");
2913                                 X509_print(io,peer);
2914                                 PEM_write_bio_X509(io,peer);
2915                                 }
2916                         else
2917                                 BIO_puts(io,"no client certificate available\n");
2918                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2919                         break;
2920                         }
2921                 else if ((www == 2 || www == 3)
2922                          && (strncmp("GET /",buf,5) == 0))
2923                         {
2924                         BIO *file;
2925                         char *p,*e;
2926                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2927
2928                         /* skip the '/' */
2929                         p= &(buf[5]);
2930
2931                         dot = 1;
2932                         for (e=p; *e != '\0'; e++)
2933                                 {
2934                                 if (e[0] == ' ')
2935                                         break;
2936
2937                                 switch (dot)
2938                                         {
2939                                 case 1:
2940                                         dot = (e[0] == '.') ? 2 : 0;
2941                                         break;
2942                                 case 2:
2943                                         dot = (e[0] == '.') ? 3 : 0;
2944                                         break;
2945                                 case 3:
2946                                         dot = (e[0] == '/') ? -1 : 0;
2947                                         break;
2948                                         }
2949                                 if (dot == 0)
2950                                         dot = (e[0] == '/') ? 1 : 0;
2951                                 }
2952                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2953
2954                         if (*e == '\0')
2955                                 {
2956                                 BIO_puts(io,text);
2957                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2958                                 break;
2959                                 }
2960                         *e='\0';
2961
2962                         if (dot)
2963                                 {
2964                                 BIO_puts(io,text);
2965                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2966                                 break;
2967                                 }
2968
2969                         if (*p == '/')
2970                                 {
2971                                 BIO_puts(io,text);
2972                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2973                                 break;
2974                                 }
2975
2976 #if 0
2977                         /* append if a directory lookup */
2978                         if (e[-1] == '/')
2979                                 strcat(p,"index.html");
2980 #endif
2981
2982                         /* if a directory, do the index thang */
2983                         if (app_isdir(p)>0)
2984                                 {
2985 #if 0 /* must check buffer size */
2986                                 strcat(p,"/index.html");
2987 #else
2988                                 BIO_puts(io,text);
2989                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2990                                 break;
2991 #endif
2992                                 }
2993
2994                         if ((file=BIO_new_file(p,"r")) == NULL)
2995                                 {
2996                                 BIO_puts(io,text);
2997                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2998                                 ERR_print_errors(io);
2999                                 break;
3000                                 }
3001
3002                         if (!s_quiet)
3003                                 BIO_printf(bio_err,"FILE:%s\n",p);
3004
3005                         if (www == 2)
3006                                 {
3007                                 i=strlen(p);
3008                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3009                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3010                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3011                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3012                                 else
3013                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3014                                 }
3015                         /* send the file */
3016                         for (;;)
3017                                 {
3018                                 i=BIO_read(file,buf,bufsize);
3019                                 if (i <= 0) break;
3020
3021 #ifdef RENEG
3022                                 total_bytes+=i;
3023                                 fprintf(stderr,"%d\n",i);
3024                                 if (total_bytes > 3*1024)
3025                                         {
3026                                         total_bytes=0;
3027                                         fprintf(stderr,"RENEGOTIATE\n");
3028                                         SSL_renegotiate(con);
3029                                         }
3030 #endif
3031
3032                                 for (j=0; j<i; )
3033                                         {
3034 #ifdef RENEG
3035 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3036 #endif
3037                                         k=BIO_write(io,&(buf[j]),i-j);
3038                                         if (k <= 0)
3039                                                 {
3040                                                 if (!BIO_should_retry(io))
3041                                                         goto write_error;
3042                                                 else
3043                                                         {
3044                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3045                                                         }
3046                                                 }
3047                                         else
3048                                                 {
3049                                                 j+=k;
3050                                                 }
3051                                         }
3052                                 }
3053 write_error:
3054                         BIO_free(file);
3055                         break;
3056                         }
3057                 }
3058
3059         for (;;)
3060                 {
3061                 i=(int)BIO_flush(io);
3062                 if (i <= 0)
3063                         {
3064                         if (!BIO_should_retry(io))
3065                                 break;
3066                         }
3067                 else
3068                         break;
3069                 }
3070 end:
3071 #if 1
3072         /* make sure we re-use sessions */
3073         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3074 #else
3075         /* This kills performance */
3076 /*      SSL_shutdown(con); A shutdown gets sent in the
3077  *      BIO_free_all(io) procession */
3078 #endif
3079
3080 err:
3081
3082         if (ret >= 0)
3083                 BIO_printf(bio_s_out,"ACCEPT\n");
3084
3085         if (buf != NULL) OPENSSL_free(buf);
3086         if (io != NULL) BIO_free_all(io);
3087 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3088         return(ret);
3089         }
3090
3091 #ifndef OPENSSL_NO_RSA
3092 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3093         {
3094         BIGNUM *bn = NULL;
3095         static RSA *rsa_tmp=NULL;
3096
3097         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3098                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3099         if (!rsa_tmp && bn)
3100                 {
3101                 if (!s_quiet)
3102                         {
3103                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3104                         (void)BIO_flush(bio_err);
3105                         }
3106                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3107                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3108                         {
3109                         if(rsa_tmp) RSA_free(rsa_tmp);
3110                         rsa_tmp = NULL;
3111                         }
3112                 if (!s_quiet)
3113                         {
3114                         BIO_printf(bio_err,"\n");
3115                         (void)BIO_flush(bio_err);
3116                         }
3117                 BN_free(bn);
3118                 }
3119         return(rsa_tmp);
3120         }
3121 #endif
3122
3123 #define MAX_SESSION_ID_ATTEMPTS 10
3124 static int generate_session_id(const SSL *ssl, unsigned char *id,
3125                                 unsigned int *id_len)
3126         {
3127         unsigned int count = 0;
3128         do      {
3129                 RAND_pseudo_bytes(id, *id_len);
3130                 /* Prefix the session_id with the required prefix. NB: If our
3131                  * prefix is too long, clip it - but there will be worse effects
3132                  * anyway, eg. the server could only possibly create 1 session
3133                  * ID (ie. the prefix!) so all future session negotiations will
3134                  * fail due to conflicts. */
3135                 memcpy(id, session_id_prefix,
3136                         (strlen(session_id_prefix) < *id_len) ?
3137                         strlen(session_id_prefix) : *id_len);
3138                 }
3139         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3140                 (++count < MAX_SESSION_ID_ATTEMPTS));
3141         if(count >= MAX_SESSION_ID_ATTEMPTS)
3142                 return 0;
3143         return 1;
3144         }