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 char *cipher=NULL;
 268 static int s_server_verify=SSL_VERIFY_NONE;
 269 static int s_server_session_id_context = 1; /* anything will do */
 270 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 271 #ifndef OPENSSL_NO_TLSEXT
 272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 273 static char *curves=NULL;
 274 #endif
 275 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 276 #ifdef FIONBIO
 277 static int s_nbio=0;
 278 #endif
 279 static int s_nbio_test=0;
 280 int s_crlf=0;
 281 static SSL_CTX *ctx=NULL;
 282 #ifndef OPENSSL_NO_TLSEXT
 283 static SSL_CTX *ctx2=NULL;
 284 #endif
 285 static int www=0;
 286
 287 static BIO *bio_s_out=NULL;
 288 static int s_debug=0;
 289 #ifndef OPENSSL_NO_TLSEXT
 290 static int s_tlsextdebug=0;
 291 static int s_tlsextstatus=0;
 292 static int cert_status_cb(SSL *s, void *arg);
 293 #endif
 294 static int s_msg=0;
 295 static int s_quiet=0;
 296
 297 static char *keymatexportlabel=NULL;
 298 static int keymatexportlen=20;
 299
 300 static int hack=0;
 301 #ifndef OPENSSL_NO_ENGINE
 302 static char *engine_id=NULL;
 303 #endif
 304 static const char *session_id_prefix=NULL;
 305
 306 static int enable_timeouts = 0;
 307 static long socket_mtu;
 308 #ifndef OPENSSL_NO_DTLS1
 309 static int cert_chain = 0;
 310 #endif
 311
 312
 313 #ifndef OPENSSL_NO_PSK
 314 static char *psk_identity="Client_identity";
 315 char *psk_key=NULL; /* by default PSK is not used */
 316
 317 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 318         unsigned char *psk, unsigned int max_psk_len)
 319         {
 320         unsigned int psk_len = 0;
 321         int ret;
 322         BIGNUM *bn = NULL;
 323
 324         if (s_debug)
 325                 BIO_printf(bio_s_out,"psk_server_cb\n");
 326         if (!identity)
 327                 {
 328                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 329                 goto out_err;
 330                 }
 331         if (s_debug)
 332                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 333                         identity ? (int)strlen(identity) : 0, identity);
 334
 335         /* here we could lookup the given identity e.g. from a database */
 336         if (strcmp(identity, psk_identity) != 0)
 337                 {
 338                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 339                            " (got '%s' expected '%s')\n", identity,
 340                            psk_identity);
 341                 goto out_err;
 342                 }
 343         if (s_debug)
 344                 BIO_printf(bio_s_out, "PSK client identity found\n");
 345
 346         /* convert the PSK key to binary */
 347         ret = BN_hex2bn(&bn, psk_key);
 348         if (!ret)
 349                 {
 350                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 351                 if (bn)
 352                         BN_free(bn);
 353                 return 0;
 354                 }
 355         if (BN_num_bytes(bn) > (int)max_psk_len)
 356                 {
 357                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 358                         max_psk_len, BN_num_bytes(bn));
 359                 BN_free(bn);
 360                 return 0;
 361                 }
 362
 363         ret = BN_bn2bin(bn, psk);
 364         BN_free(bn);
 365
 366         if (ret < 0)
 367                 goto out_err;
 368         psk_len = (unsigned int)ret;
 369
 370         if (s_debug)
 371                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 372         return psk_len;
 373  out_err:
 374         if (s_debug)
 375                 BIO_printf(bio_err, "Error in PSK server callback\n");
 376         return 0;
 377         }
 378 #endif
 379
 380 #ifndef OPENSSL_NO_SRP
 381 /* This is a context that we pass to callbacks */
 382 typedef struct srpsrvparm_st
 383         {
 384         char *login;
 385         SRP_VBASE *vb;
 386         SRP_user_pwd *user;
 387         } srpsrvparm;
 388
 389 /* This callback pretends to require some asynchronous logic in order to obtain
 390    a verifier. When the callback is called for a new connection we return
 391    with a negative value. This will provoke the accept etc to return with
 392    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 393    (which would normally occur after a worker has finished) and we
 394    set the user parameters.
 395 */
 396 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 397         {
 398         srpsrvparm *p = (srpsrvparm *)arg;
 399         if (p->login == NULL && p->user == NULL )
 400                 {
 401                 p->login = SSL_get_srp_username(s);
 402                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 403                 return (-1) ;
 404                 }
 405
 406         if (p->user == NULL)
 407                 {
 408                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 409                 return SSL3_AL_FATAL;
 410                 }
 411         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 412                                      p->user->info) < 0)
 413                 {
 414                 *ad = SSL_AD_INTERNAL_ERROR;
 415                 return SSL3_AL_FATAL;
 416                 }
 417         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 418         /* need to check whether there are memory leaks */
 419         p->user = NULL;
 420         p->login = NULL;
 421         return SSL_ERROR_NONE;
 422         }
 423
 424 #endif
 425
 426 #ifdef MONOLITH
 427 static void s_server_init(void)
 428         {
 429         accept_socket=-1;
 430         cipher=NULL;
 431         s_server_verify=SSL_VERIFY_NONE;
 432         s_dcert_file=NULL;
 433         s_dkey_file=NULL;
 434         s_dchain_file=NULL;
 435         s_cert_file=TEST_CERT;
 436         s_key_file=NULL;
 437         s_chain_file=NULL;
 438 #ifndef OPENSSL_NO_TLSEXT
 439         curves=NULL;
 440         s_cert_file2=TEST_CERT2;
 441         s_key_file2=NULL;
 442         ctx2=NULL;
 443 #endif
 444 #ifdef FIONBIO
 445         s_nbio=0;
 446 #endif
 447         s_nbio_test=0;
 448         ctx=NULL;
 449         www=0;
 450
 451         bio_s_out=NULL;
 452         s_debug=0;
 453         s_msg=0;
 454         s_quiet=0;
 455         hack=0;
 456 #ifndef OPENSSL_NO_ENGINE
 457         engine_id=NULL;
 458 #endif
 459         }
 460 #endif
 461
 462 static void sv_usage(void)
 463         {
 464         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 465         BIO_printf(bio_err,"\n");
 466         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 467         BIO_printf(bio_err," -context arg  - set session ID context\n");
 468         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 469         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 470         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 471         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 472         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 473                            "                 The CRL(s) are appended to the certificate file\n");
 474         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 475                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 476                            "                 the certificate file.\n");
 477         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 478         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 479         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 480         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 481         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 482         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 483         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 484         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 485         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 486         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 487         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 488         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 489 #ifndef OPENSSL_NO_ECDH
 490         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 491                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 492                            "                 (default is nistp256).\n");
 493 #endif
 494 #ifdef FIONBIO
 495         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 496 #endif
 497         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 498         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 499         BIO_printf(bio_err," -debug        - Print more output\n");
 500         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 501         BIO_printf(bio_err," -state        - Print the SSL states\n");
 502         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 503         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 504         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 505         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 506         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 507         BIO_printf(bio_err," -quiet        - No server output\n");
 508         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 509 #ifndef OPENSSL_NO_PSK
 510         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 511         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 512 # ifndef OPENSSL_NO_JPAKE
 513         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 514 # endif
 515 #endif
 516 #ifndef OPENSSL_NO_SRP
 517         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 518         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 519 #endif
 520         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 521         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 522         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 523         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 524         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 525         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 526         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 527         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 528         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 529         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 530         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 531         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 532         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 533         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 534 #ifndef OPENSSL_NO_DH
 535         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 536 #endif
 537 #ifndef OPENSSL_NO_ECDH
 538         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 539 #endif
 540         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 541         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 542         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 543         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 544         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 545 #ifndef OPENSSL_NO_ENGINE
 546         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 547 #endif
 548         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 549         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 550 #ifndef OPENSSL_NO_TLSEXT
 551         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 552         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 553         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 554         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 555         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 556         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 557         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 558         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 559         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 560 # ifndef OPENSSL_NO_NEXTPROTONEG
 561         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 562 # endif
 563         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 564 #endif
 565         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 566         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 567         }
 568
 569 static int local_argc=0;
 570 static char **local_argv;
 571
 572 #ifdef CHARSET_EBCDIC
 573 static int ebcdic_new(BIO *bi);
 574 static int ebcdic_free(BIO *a);
 575 static int ebcdic_read(BIO *b, char *out, int outl);
 576 static int ebcdic_write(BIO *b, const char *in, int inl);
 577 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 578 static int ebcdic_gets(BIO *bp, char *buf, int size);
 579 static int ebcdic_puts(BIO *bp, const char *str);
 580
 581 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 582 static BIO_METHOD methods_ebcdic=
 583         {
 584         BIO_TYPE_EBCDIC_FILTER,
 585         "EBCDIC/ASCII filter",
 586         ebcdic_write,
 587         ebcdic_read,
 588         ebcdic_puts,
 589         ebcdic_gets,
 590         ebcdic_ctrl,
 591         ebcdic_new,
 592         ebcdic_free,
 593         };
 594
 595 typedef struct
 596 {
 597         size_t  alloced;
 598         char    buff[1];
 599 } EBCDIC_OUTBUFF;
 600
 601 BIO_METHOD *BIO_f_ebcdic_filter()
 602 {
 603         return(&methods_ebcdic);
 604 }
 605
 606 static int ebcdic_new(BIO *bi)
 607 {
 608         EBCDIC_OUTBUFF *wbuf;
 609
 610         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 611         wbuf->alloced = 1024;
 612         wbuf->buff[0] = '\0';
 613
 614         bi->ptr=(char *)wbuf;
 615         bi->init=1;
 616         bi->flags=0;
 617         return(1);
 618 }
 619
 620 static int ebcdic_free(BIO *a)
 621 {
 622         if (a == NULL) return(0);
 623         if (a->ptr != NULL)
 624                 OPENSSL_free(a->ptr);
 625         a->ptr=NULL;
 626         a->init=0;
 627         a->flags=0;
 628         return(1);
 629 }
 630
 631 static int ebcdic_read(BIO *b, char *out, int outl)
 632 {
 633         int ret=0;
 634
 635         if (out == NULL || outl == 0) return(0);
 636         if (b->next_bio == NULL) return(0);
 637
 638         ret=BIO_read(b->next_bio,out,outl);
 639         if (ret > 0)
 640                 ascii2ebcdic(out,out,ret);
 641         return(ret);
 642 }
 643
 644 static int ebcdic_write(BIO *b, const char *in, int inl)
 645 {
 646         EBCDIC_OUTBUFF *wbuf;
 647         int ret=0;
 648         int num;
 649         unsigned char n;
 650
 651         if ((in == NULL) || (inl <= 0)) return(0);
 652         if (b->next_bio == NULL) return(0);
 653
 654         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 655
 656         if (inl > (num = wbuf->alloced))
 657         {
 658                 num = num + num;  /* double the size */
 659                 if (num < inl)
 660                         num = inl;
 661                 OPENSSL_free(wbuf);
 662                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 663
 664                 wbuf->alloced = num;
 665                 wbuf->buff[0] = '\0';
 666
 667                 b->ptr=(char *)wbuf;
 668         }
 669
 670         ebcdic2ascii(wbuf->buff, in, inl);
 671
 672         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 673
 674         return(ret);
 675 }
 676
 677 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 678 {
 679         long ret;
 680
 681         if (b->next_bio == NULL) return(0);
 682         switch (cmd)
 683         {
 684         case BIO_CTRL_DUP:
 685                 ret=0L;
 686                 break;
 687         default:
 688                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 689                 break;
 690         }
 691         return(ret);
 692 }
 693
 694 static int ebcdic_gets(BIO *bp, char *buf, int size)
 695 {
 696         int i, ret=0;
 697         if (bp->next_bio == NULL) return(0);
 698 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 699         for (i=0; i<size-1; ++i)
 700         {
 701                 ret = ebcdic_read(bp,&buf[i],1);
 702                 if (ret <= 0)
 703                         break;
 704                 else if (buf[i] == '\n')
 705                 {
 706                         ++i;
 707                         break;
 708                 }
 709         }
 710         if (i < size)
 711                 buf[i] = '\0';
 712         return (ret < 0 && i == 0) ? ret : i;
 713 }
 714
 715 static int ebcdic_puts(BIO *bp, const char *str)
 716 {
 717         if (bp->next_bio == NULL) return(0);
 718         return ebcdic_write(bp, str, strlen(str));
 719 }
 720 #endif
 721
 722 #ifndef OPENSSL_NO_TLSEXT
 723
 724 /* This is a context that we pass to callbacks */
 725 typedef struct tlsextctx_st {
 726    char * servername;
 727    BIO * biodebug;
 728    int extension_error;
 729 } tlsextctx;
 730
 731
 732 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 733         {
 734         tlsextctx * p = (tlsextctx *) arg;
 735         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 736         if (servername && p->biodebug)
 737                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 738
 739         if (!p->servername)
 740                 return SSL_TLSEXT_ERR_NOACK;
 741
 742         if (servername)
 743                 {
 744                 if (strcmp(servername,p->servername))
 745                         return p->extension_error;
 746                 if (ctx2)
 747                         {
 748                         BIO_printf(p->biodebug,"Switching server context.\n");
 749                         SSL_set_SSL_CTX(s,ctx2);
 750                         }
 751                 }
 752         return SSL_TLSEXT_ERR_OK;
 753 }
 754
 755 /* Structure passed to cert status callback */
 756
 757 typedef struct tlsextstatusctx_st {
 758    /* Default responder to use */
 759    char *host, *path, *port;
 760    int use_ssl;
 761    int timeout;
 762    BIO *err;
 763    int verbose;
 764 } tlsextstatusctx;
 765
 766 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 767
 768 /* Certificate Status callback. This is called when a client includes a
 769  * certificate status request extension.
 770  *
 771  * This is a simplified version. It examines certificates each time and
 772  * makes one OCSP responder query for each request.
 773  *
 774  * A full version would store details such as the OCSP certificate IDs and
 775  * minimise the number of OCSP responses by caching them until they were
 776  * considered "expired".
 777  */
 778
 779 static int cert_status_cb(SSL *s, void *arg)
 780         {
 781         tlsextstatusctx *srctx = arg;
 782         BIO *err = srctx->err;
 783         char *host, *port, *path;
 784         int use_ssl;
 785         unsigned char *rspder = NULL;
 786         int rspderlen;
 787         STACK_OF(OPENSSL_STRING) *aia = NULL;
 788         X509 *x = NULL;
 789         X509_STORE_CTX inctx;
 790         X509_OBJECT obj;
 791         OCSP_REQUEST *req = NULL;
 792         OCSP_RESPONSE *resp = NULL;
 793         OCSP_CERTID *id = NULL;
 794         STACK_OF(X509_EXTENSION) *exts;
 795         int ret = SSL_TLSEXT_ERR_NOACK;
 796         int i;
 797 #if 0
 798 STACK_OF(OCSP_RESPID) *ids;
 799 SSL_get_tlsext_status_ids(s, &ids);
 800 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 801 #endif
 802         if (srctx->verbose)
 803                 BIO_puts(err, "cert_status: callback called\n");
 804         /* Build up OCSP query from server certificate */
 805         x = SSL_get_certificate(s);
 806         aia = X509_get1_ocsp(x);
 807         if (aia)
 808                 {
 809                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 810                         &host, &port, &path, &use_ssl))
 811                         {
 812                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 813                         goto err;
 814                         }
 815                 if (srctx->verbose)
 816                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 817                                         sk_OPENSSL_STRING_value(aia, 0));
 818                 }
 819         else
 820                 {
 821                 if (!srctx->host)
 822                         {
 823                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 824                         goto done;
 825                         }
 826                 host = srctx->host;
 827                 path = srctx->path;
 828                 port = srctx->port;
 829                 use_ssl = srctx->use_ssl;
 830                 }
 831
 832         if (!X509_STORE_CTX_init(&inctx,
 833                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 834                                 NULL, NULL))
 835                 goto err;
 836         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 837                                 X509_get_issuer_name(x),&obj) <= 0)
 838                 {
 839                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 840                 X509_STORE_CTX_cleanup(&inctx);
 841                 goto done;
 842                 }
 843         req = OCSP_REQUEST_new();
 844         if (!req)
 845                 goto err;
 846         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 847         X509_free(obj.data.x509);
 848         X509_STORE_CTX_cleanup(&inctx);
 849         if (!id)
 850                 goto err;
 851         if (!OCSP_request_add0_id(req, id))
 852                 goto err;
 853         id = NULL;
 854         /* Add any extensions to the request */
 855         SSL_get_tlsext_status_exts(s, &exts);
 856         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 857                 {
 858                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 859                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 860                         goto err;
 861                 }
 862         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 863                                         srctx->timeout);
 864         if (!resp)
 865                 {
 866                 BIO_puts(err, "cert_status: error querying responder\n");
 867                 goto done;
 868                 }
 869         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 870         if (rspderlen <= 0)
 871                 goto err;
 872         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 873         if (srctx->verbose)
 874                 {
 875                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 876                 OCSP_RESPONSE_print(err, resp, 2);
 877                 }
 878         ret = SSL_TLSEXT_ERR_OK;
 879         done:
 880         if (ret != SSL_TLSEXT_ERR_OK)
 881                 ERR_print_errors(err);
 882         if (aia)
 883                 {
 884                 OPENSSL_free(host);
 885                 OPENSSL_free(path);
 886                 OPENSSL_free(port);
 887                 X509_email_free(aia);
 888                 }
 889         if (id)
 890                 OCSP_CERTID_free(id);
 891         if (req)
 892                 OCSP_REQUEST_free(req);
 893         if (resp)
 894                 OCSP_RESPONSE_free(resp);
 895         return ret;
 896         err:
 897         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 898         goto done;
 899         }
 900
 901 # ifndef OPENSSL_NO_NEXTPROTONEG
 902 /* This is the context that we pass to next_proto_cb */
 903 typedef struct tlsextnextprotoctx_st {
 904         unsigned char *data;
 905         unsigned int len;
 906 } tlsextnextprotoctx;
 907
 908 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 909         {
 910         tlsextnextprotoctx *next_proto = arg;
 911
 912         *data = next_proto->data;
 913         *len = next_proto->len;
 914
 915         return SSL_TLSEXT_ERR_OK;
 916         }
 917 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 918
 919
 920 #endif
 921
 922 int MAIN(int, char **);
 923
 924 #ifndef OPENSSL_NO_JPAKE
 925 static char *jpake_secret = NULL;
 926 #endif
 927 #ifndef OPENSSL_NO_SRP
 928         static srpsrvparm srp_callback_parm;
 929 #endif
 930 static char *srtp_profiles = NULL;
 931
 932 int MAIN(int argc, char *argv[])
 933         {
 934         X509_VERIFY_PARAM *vpm = NULL;
 935         int badarg = 0;
 936         short port=PORT;
 937         char *CApath=NULL,*CAfile=NULL;
 938         unsigned char *context = NULL;
 939         char *dhfile = NULL;
 940 #ifndef OPENSSL_NO_ECDH
 941         char *named_curve = NULL;
 942 #endif
 943         int badop=0,bugs=0;
 944         int ret=1;
 945         int off=0;
 946         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 947         int state=0;
 948         const SSL_METHOD *meth=NULL;
 949         int socket_type=SOCK_STREAM;
 950         ENGINE *e=NULL;
 951         char *inrand=NULL;
 952         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 953         char *passarg = NULL, *pass = NULL;
 954         char *dpassarg = NULL, *dpass = NULL;
 955         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 956         X509 *s_cert = NULL, *s_dcert = NULL;
 957         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 958         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 959         int no_cache = 0;
 960 #ifndef OPENSSL_NO_TLSEXT
 961         EVP_PKEY *s_key2 = NULL;
 962         X509 *s_cert2 = NULL;
 963         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 964 # ifndef OPENSSL_NO_NEXTPROTONEG
 965         const char *next_proto_neg_in = NULL;
 966         tlsextnextprotoctx next_proto;
 967 # endif
 968 #endif
 969 #ifndef OPENSSL_NO_PSK
 970         /* by default do not send a PSK identity hint */
 971         static char *psk_identity_hint=NULL;
 972 #endif
 973 #ifndef OPENSSL_NO_SRP
 974         char *srpuserseed = NULL;
 975         char *srp_verifier_file = NULL;
 976 #endif
 977         meth=SSLv23_server_method();
 978
 979         local_argc=argc;
 980         local_argv=argv;
 981
 982         apps_startup();
 983 #ifdef MONOLITH
 984         s_server_init();
 985 #endif
 986
 987         if (bio_err == NULL)
 988                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 989
 990         if (!load_config(bio_err, NULL))
 991                 goto end;
 992
 993         verify_depth=0;
 994 #ifdef FIONBIO
 995         s_nbio=0;
 996 #endif
 997         s_nbio_test=0;
 998
 999         argc--;
1000         argv++;
1001
1002         while (argc >= 1)
1003                 {
1004                 if      ((strcmp(*argv,"-port") == 0) ||
1005                          (strcmp(*argv,"-accept") == 0))
1006                         {
1007                         if (--argc < 1) goto bad;
1008                         if (!extract_port(*(++argv),&port))
1009                                 goto bad;
1010                         }
1011                 else if (strcmp(*argv,"-verify") == 0)
1012                         {
1013                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1014                         if (--argc < 1) goto bad;
1015                         verify_depth=atoi(*(++argv));
1016                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1017                         }
1018                 else if (strcmp(*argv,"-Verify") == 0)
1019                         {
1020                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1021                                 SSL_VERIFY_CLIENT_ONCE;
1022                         if (--argc < 1) goto bad;
1023                         verify_depth=atoi(*(++argv));
1024                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1025                         }
1026                 else if (strcmp(*argv,"-context") == 0)
1027                         {
1028                         if (--argc < 1) goto bad;
1029                         context= (unsigned char *)*(++argv);
1030                         }
1031                 else if (strcmp(*argv,"-cert") == 0)
1032                         {
1033                         if (--argc < 1) goto bad;
1034                         s_cert_file= *(++argv);
1035                         }
1036                 else if (strcmp(*argv,"-certform") == 0)
1037                         {
1038                         if (--argc < 1) goto bad;
1039                         s_cert_format = str2fmt(*(++argv));
1040                         }
1041                 else if (strcmp(*argv,"-key") == 0)
1042                         {
1043                         if (--argc < 1) goto bad;
1044                         s_key_file= *(++argv);
1045                         }
1046                 else if (strcmp(*argv,"-keyform") == 0)
1047                         {
1048                         if (--argc < 1) goto bad;
1049                         s_key_format = str2fmt(*(++argv));
1050                         }
1051                 else if (strcmp(*argv,"-pass") == 0)
1052                         {
1053                         if (--argc < 1) goto bad;
1054                         passarg = *(++argv);
1055                         }
1056                 else if (strcmp(*argv,"-cert_chain") == 0)
1057                         {
1058                         if (--argc < 1) goto bad;
1059                         s_chain_file= *(++argv);
1060                         }
1061                 else if (strcmp(*argv,"-dhparam") == 0)
1062                         {
1063                         if (--argc < 1) goto bad;
1064                         dhfile = *(++argv);
1065                         }
1066 #ifndef OPENSSL_NO_ECDH
1067                 else if (strcmp(*argv,"-named_curve") == 0)
1068                         {
1069                         if (--argc < 1) goto bad;
1070                         named_curve = *(++argv);
1071                         }
1072 #endif
1073                 else if (strcmp(*argv,"-dcertform") == 0)
1074                         {
1075                         if (--argc < 1) goto bad;
1076                         s_dcert_format = str2fmt(*(++argv));
1077                         }
1078                 else if (strcmp(*argv,"-dcert") == 0)
1079                         {
1080                         if (--argc < 1) goto bad;
1081                         s_dcert_file= *(++argv);
1082                         }
1083                 else if (strcmp(*argv,"-dkeyform") == 0)
1084                         {
1085                         if (--argc < 1) goto bad;
1086                         s_dkey_format = str2fmt(*(++argv));
1087                         }
1088                 else if (strcmp(*argv,"-dpass") == 0)
1089                         {
1090                         if (--argc < 1) goto bad;
1091                         dpassarg = *(++argv);
1092                         }
1093                 else if (strcmp(*argv,"-dkey") == 0)
1094                         {
1095                         if (--argc < 1) goto bad;
1096                         s_dkey_file= *(++argv);
1097                         }
1098                 else if (strcmp(*argv,"-dcert_chain") == 0)
1099                         {
1100                         if (--argc < 1) goto bad;
1101                         s_dchain_file= *(++argv);
1102                         }
1103                 else if (strcmp(*argv,"-nocert") == 0)
1104                         {
1105                         nocert=1;
1106                         }
1107                 else if (strcmp(*argv,"-CApath") == 0)
1108                         {
1109                         if (--argc < 1) goto bad;
1110                         CApath= *(++argv);
1111                         }
1112                 else if (strcmp(*argv,"-no_cache") == 0)
1113                         no_cache = 1;
1114                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1115                         {
1116                         if (badarg)
1117                                 goto bad;
1118                         continue;
1119                         }
1120                 else if (strcmp(*argv,"-verify_return_error") == 0)
1121                         verify_return_error = 1;
1122                 else if (strcmp(*argv,"-serverpref") == 0)
1123                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1124                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1125                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1126                 else if (strcmp(*argv,"-cipher") == 0)
1127                         {
1128                         if (--argc < 1) goto bad;
1129                         cipher= *(++argv);
1130                         }
1131                 else if (strcmp(*argv,"-CAfile") == 0)
1132                         {
1133                         if (--argc < 1) goto bad;
1134                         CAfile= *(++argv);
1135                         }
1136 #ifdef FIONBIO
1137                 else if (strcmp(*argv,"-nbio") == 0)
1138                         { s_nbio=1; }
1139 #endif
1140                 else if (strcmp(*argv,"-nbio_test") == 0)
1141                         {
1142 #ifdef FIONBIO
1143                         s_nbio=1;
1144 #endif
1145                         s_nbio_test=1;
1146                         }
1147                 else if (strcmp(*argv,"-debug") == 0)
1148                         { s_debug=1; }
1149 #ifndef OPENSSL_NO_TLSEXT
1150                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1151                         s_tlsextdebug=1;
1152                 else if (strcmp(*argv,"-status") == 0)
1153                         s_tlsextstatus=1;
1154                 else if (strcmp(*argv,"-status_verbose") == 0)
1155                         {
1156                         s_tlsextstatus=1;
1157                         tlscstatp.verbose = 1;
1158                         }
1159                 else if (!strcmp(*argv, "-status_timeout"))
1160                         {
1161                         s_tlsextstatus=1;
1162                         if (--argc < 1) goto bad;
1163                         tlscstatp.timeout = atoi(*(++argv));
1164                         }
1165                 else if (!strcmp(*argv, "-status_url"))
1166                         {
1167                         s_tlsextstatus=1;
1168                         if (--argc < 1) goto bad;
1169                         if (!OCSP_parse_url(*(++argv),
1170                                         &tlscstatp.host,
1171                                         &tlscstatp.port,
1172                                         &tlscstatp.path,
1173                                         &tlscstatp.use_ssl))
1174                                 {
1175                                 BIO_printf(bio_err, "Error parsing URL\n");
1176                                 goto bad;
1177                                 }
1178                         }
1179                 else if (strcmp(*argv,"-curves") == 0)
1180                         {
1181                         if (--argc < 1) goto bad;
1182                         curves= *(++argv);
1183                         }
1184 #endif
1185                 else if (strcmp(*argv,"-msg") == 0)
1186                         { s_msg=1; }
1187                 else if (strcmp(*argv,"-hack") == 0)
1188                         { hack=1; }
1189                 else if (strcmp(*argv,"-state") == 0)
1190                         { state=1; }
1191                 else if (strcmp(*argv,"-crlf") == 0)
1192                         { s_crlf=1; }
1193                 else if (strcmp(*argv,"-quiet") == 0)
1194                         { s_quiet=1; }
1195                 else if (strcmp(*argv,"-bugs") == 0)
1196                         { bugs=1; }
1197                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1198                         { no_tmp_rsa=1; }
1199                 else if (strcmp(*argv,"-no_dhe") == 0)
1200                         { no_dhe=1; }
1201                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1202                         { no_ecdhe=1; }
1203 #ifndef OPENSSL_NO_PSK
1204                 else if (strcmp(*argv,"-psk_hint") == 0)
1205                         {
1206                         if (--argc < 1) goto bad;
1207                         psk_identity_hint= *(++argv);
1208                         }
1209                 else if (strcmp(*argv,"-psk") == 0)
1210                         {
1211                         size_t i;
1212
1213                         if (--argc < 1) goto bad;
1214                         psk_key=*(++argv);
1215                         for (i=0; i<strlen(psk_key); i++)
1216                                 {
1217                                 if (isxdigit((unsigned char)psk_key[i]))
1218                                         continue;
1219                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1220                                 goto bad;
1221                                 }
1222                         }
1223 #endif
1224 #ifndef OPENSSL_NO_SRP
1225                 else if (strcmp(*argv, "-srpvfile") == 0)
1226                         {
1227                         if (--argc < 1) goto bad;
1228                         srp_verifier_file = *(++argv);
1229                         meth=TLSv1_server_method();
1230                         }
1231                 else if (strcmp(*argv, "-srpuserseed") == 0)
1232                         {
1233                         if (--argc < 1) goto bad;
1234                         srpuserseed = *(++argv);
1235                         meth=TLSv1_server_method();
1236                         }
1237 #endif
1238                 else if (strcmp(*argv,"-www") == 0)
1239                         { www=1; }
1240                 else if (strcmp(*argv,"-WWW") == 0)
1241                         { www=2; }
1242                 else if (strcmp(*argv,"-HTTP") == 0)
1243                         { www=3; }
1244                 else if (strcmp(*argv,"-no_ssl2") == 0)
1245                         { off|=SSL_OP_NO_SSLv2; }
1246                 else if (strcmp(*argv,"-no_ssl3") == 0)
1247                         { off|=SSL_OP_NO_SSLv3; }
1248                 else if (strcmp(*argv,"-no_tls1") == 0)
1249                         { off|=SSL_OP_NO_TLSv1; }
1250                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1251                         { off|=SSL_OP_NO_TLSv1_1; }
1252                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1253                         { off|=SSL_OP_NO_TLSv1_2; }
1254                 else if (strcmp(*argv,"-no_comp") == 0)
1255                         { off|=SSL_OP_NO_COMPRESSION; }
1256 #ifndef OPENSSL_NO_TLSEXT
1257                 else if (strcmp(*argv,"-no_ticket") == 0)
1258                         { off|=SSL_OP_NO_TICKET; }
1259 #endif
1260 #ifndef OPENSSL_NO_SSL2
1261                 else if (strcmp(*argv,"-ssl2") == 0)
1262                         { meth=SSLv2_server_method(); }
1263 #endif
1264 #ifndef OPENSSL_NO_SSL3
1265                 else if (strcmp(*argv,"-ssl3") == 0)
1266                         { meth=SSLv3_server_method(); }
1267 #endif
1268 #ifndef OPENSSL_NO_TLS1
1269                 else if (strcmp(*argv,"-tls1") == 0)
1270                         { meth=TLSv1_server_method(); }
1271                 else if (strcmp(*argv,"-tls1_1") == 0)
1272                         { meth=TLSv1_1_server_method(); }
1273                 else if (strcmp(*argv,"-tls1_2") == 0)
1274                         { meth=TLSv1_2_server_method(); }
1275 #endif
1276 #ifndef OPENSSL_NO_DTLS1
1277                 else if (strcmp(*argv,"-dtls1") == 0)
1278                         {
1279                         meth=DTLSv1_server_method();
1280                         socket_type = SOCK_DGRAM;
1281                         }
1282                 else if (strcmp(*argv,"-timeout") == 0)
1283                         enable_timeouts = 1;
1284                 else if (strcmp(*argv,"-mtu") == 0)
1285                         {
1286                         if (--argc < 1) goto bad;
1287                         socket_mtu = atol(*(++argv));
1288                         }
1289                 else if (strcmp(*argv, "-chain") == 0)
1290                         cert_chain = 1;
1291 #endif
1292                 else if (strcmp(*argv, "-id_prefix") == 0)
1293                         {
1294                         if (--argc < 1) goto bad;
1295                         session_id_prefix = *(++argv);
1296                         }
1297 #ifndef OPENSSL_NO_ENGINE
1298                 else if (strcmp(*argv,"-engine") == 0)
1299                         {
1300                         if (--argc < 1) goto bad;
1301                         engine_id= *(++argv);
1302                         }
1303 #endif
1304                 else if (strcmp(*argv,"-rand") == 0)
1305                         {
1306                         if (--argc < 1) goto bad;
1307                         inrand= *(++argv);
1308                         }
1309 #ifndef OPENSSL_NO_TLSEXT
1310                 else if (strcmp(*argv,"-servername") == 0)
1311                         {
1312                         if (--argc < 1) goto bad;
1313                         tlsextcbp.servername= *(++argv);
1314                         }
1315                 else if (strcmp(*argv,"-servername_fatal") == 0)
1316                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1317                 else if (strcmp(*argv,"-cert2") == 0)
1318                         {
1319                         if (--argc < 1) goto bad;
1320                         s_cert_file2= *(++argv);
1321                         }
1322                 else if (strcmp(*argv,"-key2") == 0)
1323                         {
1324                         if (--argc < 1) goto bad;
1325                         s_key_file2= *(++argv);
1326                         }
1327 # ifndef OPENSSL_NO_NEXTPROTONEG
1328                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1329                         {
1330                         if (--argc < 1) goto bad;
1331                         next_proto_neg_in = *(++argv);
1332                         }
1333 # endif
1334 #endif
1335 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1336                 else if (strcmp(*argv,"-jpake") == 0)
1337                         {
1338                         if (--argc < 1) goto bad;
1339                         jpake_secret = *(++argv);
1340                         }
1341 #endif
1342                 else if (strcmp(*argv,"-use_srtp") == 0)
1343                         {
1344                         if (--argc < 1) goto bad;
1345                         srtp_profiles = *(++argv);
1346                         }
1347                 else if (strcmp(*argv,"-keymatexport") == 0)
1348                         {
1349                         if (--argc < 1) goto bad;
1350                         keymatexportlabel= *(++argv);
1351                         }
1352                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1353                         {
1354                         if (--argc < 1) goto bad;
1355                         keymatexportlen=atoi(*(++argv));
1356                         if (keymatexportlen == 0) goto bad;
1357                         }
1358                 else
1359                         {
1360                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1361                         badop=1;
1362                         break;
1363                         }
1364                 argc--;
1365                 argv++;
1366                 }
1367         if (badop)
1368                 {
1369 bad:
1370                 sv_usage();
1371                 goto end;
1372                 }
1373
1374 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1375         if (jpake_secret)
1376                 {
1377                 if (psk_key)
1378                         {
1379                         BIO_printf(bio_err,
1380                                    "Can't use JPAKE and PSK together\n");
1381                         goto end;
1382                         }
1383                 psk_identity = "JPAKE";
1384                 if (cipher)
1385                         {
1386                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1387                         goto end;
1388                         }
1389                 cipher = "PSK";
1390                 }
1391
1392 #endif
1393
1394         SSL_load_error_strings();
1395         OpenSSL_add_ssl_algorithms();
1396
1397 #ifndef OPENSSL_NO_ENGINE
1398         e = setup_engine(bio_err, engine_id, 1);
1399 #endif
1400
1401         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1402                 {
1403                 BIO_printf(bio_err, "Error getting password\n");
1404                 goto end;
1405                 }
1406
1407
1408         if (s_key_file == NULL)
1409                 s_key_file = s_cert_file;
1410 #ifndef OPENSSL_NO_TLSEXT
1411         if (s_key_file2 == NULL)
1412                 s_key_file2 = s_cert_file2;
1413 #endif
1414
1415         if (nocert == 0)
1416                 {
1417                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1418                        "server certificate private key file");
1419                 if (!s_key)
1420                         {
1421                         ERR_print_errors(bio_err);
1422                         goto end;
1423                         }
1424
1425                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1426                         NULL, e, "server certificate file");
1427
1428                 if (!s_cert)
1429                         {
1430                         ERR_print_errors(bio_err);
1431                         goto end;
1432                         }
1433                 if (s_chain_file)
1434                         {
1435                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1436                                         NULL, e, "server certificate chain");
1437                         if (!s_chain)
1438                                 goto end;
1439                         }
1440
1441 #ifndef OPENSSL_NO_TLSEXT
1442                 if (tlsextcbp.servername)
1443                         {
1444                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1445                                 "second server certificate private key file");
1446                         if (!s_key2)
1447                                 {
1448                                 ERR_print_errors(bio_err);
1449                                 goto end;
1450                                 }
1451
1452                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1453                                 NULL, e, "second server certificate file");
1454
1455                         if (!s_cert2)
1456                                 {
1457                                 ERR_print_errors(bio_err);
1458                                 goto end;
1459                                 }
1460                         }
1461
1462 # ifndef OPENSSL_NO_NEXTPROTONEG
1463                 if (next_proto_neg_in)
1464                         {
1465                         unsigned short len;
1466                         next_proto.data = next_protos_parse(&len,
1467                                 next_proto_neg_in);
1468                         if (next_proto.data == NULL)
1469                                 goto end;
1470                         next_proto.len = len;
1471                         }
1472                 else
1473                         {
1474                         next_proto.data = NULL;
1475                         }
1476 # endif
1477 #endif
1478                 }
1479
1480
1481         if (s_dcert_file)
1482                 {
1483
1484                 if (s_dkey_file == NULL)
1485                         s_dkey_file = s_dcert_file;
1486
1487                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1488                                 0, dpass, e,
1489                                "second certificate private key file");
1490                 if (!s_dkey)
1491                         {
1492                         ERR_print_errors(bio_err);
1493                         goto end;
1494                         }
1495
1496                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1497                                 NULL, e, "second server certificate file");
1498
1499                 if (!s_dcert)
1500                         {
1501                         ERR_print_errors(bio_err);
1502                         goto end;
1503                         }
1504                 if (s_dchain_file)
1505                         {
1506                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1507                                 NULL, e, "second server certificate chain");
1508                         if (!s_dchain)
1509                                 goto end;
1510                         }
1511
1512                 }
1513
1514         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1515                 && !RAND_status())
1516                 {
1517                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1518                 }
1519         if (inrand != NULL)
1520                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1521                         app_RAND_load_files(inrand));
1522
1523         if (bio_s_out == NULL)
1524                 {
1525                 if (s_quiet && !s_debug && !s_msg)
1526                         {
1527                         bio_s_out=BIO_new(BIO_s_null());
1528                         }
1529                 else
1530                         {
1531                         if (bio_s_out == NULL)
1532                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1533                         }
1534                 }
1535
1536 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1537         if (nocert)
1538 #endif
1539                 {
1540                 s_cert_file=NULL;
1541                 s_key_file=NULL;
1542                 s_dcert_file=NULL;
1543                 s_dkey_file=NULL;
1544 #ifndef OPENSSL_NO_TLSEXT
1545                 s_cert_file2=NULL;
1546                 s_key_file2=NULL;
1547 #endif
1548                 }
1549
1550         ctx=SSL_CTX_new(meth);
1551         if (ctx == NULL)
1552                 {
1553                 ERR_print_errors(bio_err);
1554                 goto end;
1555                 }
1556         if (session_id_prefix)
1557                 {
1558                 if(strlen(session_id_prefix) >= 32)
1559                         BIO_printf(bio_err,
1560 "warning: id_prefix is too long, only one new session will be possible\n");
1561                 else if(strlen(session_id_prefix) >= 16)
1562                         BIO_printf(bio_err,
1563 "warning: id_prefix is too long if you use SSLv2\n");
1564                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1565                         {
1566                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1567                         ERR_print_errors(bio_err);
1568                         goto end;
1569                         }
1570                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1571                 }
1572         SSL_CTX_set_quiet_shutdown(ctx,1);
1573         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1574         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1575         SSL_CTX_set_options(ctx,off);
1576         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1577          * Setting read ahead solves this problem.
1578          */
1579         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1580
1581         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1582         if (no_cache)
1583                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1584         else
1585                 SSL_CTX_sess_set_cache_size(ctx,128);
1586
1587         if (srtp_profiles != NULL)
1588                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1589
1590 #if 0
1591         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1592 #endif
1593
1594 #if 0
1595         if (s_cert_file == NULL)
1596                 {
1597                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1598                 goto end;
1599                 }
1600 #endif
1601
1602         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1603                 (!SSL_CTX_set_default_verify_paths(ctx)))
1604                 {
1605                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1606                 ERR_print_errors(bio_err);
1607                 /* goto end; */
1608                 }
1609         if (vpm)
1610                 SSL_CTX_set1_param(ctx, vpm);
1611
1612 #ifndef OPENSSL_NO_TLSEXT
1613         if (s_cert2)
1614                 {
1615                 ctx2=SSL_CTX_new(meth);
1616                 if (ctx2 == NULL)
1617                         {
1618                         ERR_print_errors(bio_err);
1619                         goto end;
1620                         }
1621                 }
1622
1623         if (ctx2)
1624                 {
1625                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1626
1627                 if (session_id_prefix)
1628                         {
1629                         if(strlen(session_id_prefix) >= 32)
1630                                 BIO_printf(bio_err,
1631                                         "warning: id_prefix is too long, only one new session will be possible\n");
1632                         else if(strlen(session_id_prefix) >= 16)
1633                                 BIO_printf(bio_err,
1634                                         "warning: id_prefix is too long if you use SSLv2\n");
1635                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1636                                 {
1637                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1638                                 ERR_print_errors(bio_err);
1639                                 goto end;
1640                                 }
1641                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1642                         }
1643                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1644                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1645                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1646                 SSL_CTX_set_options(ctx2,off);
1647                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1648                  * Setting read ahead solves this problem.
1649                  */
1650                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1651
1652                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1653
1654                 if (no_cache)
1655                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1656                 else
1657                         SSL_CTX_sess_set_cache_size(ctx2,128);
1658
1659                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1660                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1661                         {
1662                         ERR_print_errors(bio_err);
1663                         }
1664                 if (vpm)
1665                         SSL_CTX_set1_param(ctx2, vpm);
1666                 }
1667
1668 # ifndef OPENSSL_NO_NEXTPROTONEG
1669         if (next_proto.data)
1670                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1671 # endif
1672 #endif
1673
1674 #ifndef OPENSSL_NO_DH
1675         if (!no_dhe)
1676                 {
1677                 DH *dh=NULL;
1678
1679                 if (dhfile)
1680                         dh = load_dh_param(dhfile);
1681                 else if (s_cert_file)
1682                         dh = load_dh_param(s_cert_file);
1683
1684                 if (dh != NULL)
1685                         {
1686                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1687                         }
1688                 else
1689                         {
1690                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1691                         dh=get_dh512();
1692                         }
1693                 (void)BIO_flush(bio_s_out);
1694
1695                 SSL_CTX_set_tmp_dh(ctx,dh);
1696 #ifndef OPENSSL_NO_TLSEXT
1697                 if (ctx2)
1698                         {
1699                         if (!dhfile)
1700                                 {
1701                                 DH *dh2=load_dh_param(s_cert_file2);
1702                                 if (dh2 != NULL)
1703                                         {
1704                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1705                                         (void)BIO_flush(bio_s_out);
1706
1707                                         DH_free(dh);
1708                                         dh = dh2;
1709                                         }
1710                                 }
1711                         SSL_CTX_set_tmp_dh(ctx2,dh);
1712                         }
1713 #endif
1714                 DH_free(dh);
1715                 }
1716 #endif
1717
1718 #ifndef OPENSSL_NO_ECDH
1719         if (!no_ecdhe)
1720                 {
1721                 EC_KEY *ecdh=NULL;
1722
1723                 if (named_curve && strcmp(named_curve, "auto"))
1724                         {
1725                         int nid = EC_curve_nist2nid(named_curve);
1726                         if (nid == NID_undef)
1727                                 nid = OBJ_sn2nid(named_curve);
1728                         if (nid == 0)
1729                                 {
1730                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1731                                         named_curve);
1732                                 goto end;
1733                                 }
1734                         ecdh = EC_KEY_new_by_curve_name(nid);
1735                         if (ecdh == NULL)
1736                                 {
1737                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1738                                         named_curve);
1739                                 goto end;
1740                                 }
1741                         }
1742
1743                 if (ecdh != NULL)
1744                         {
1745                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1746                         }
1747                 else if (named_curve)
1748                         SSL_CTX_set_ecdh_auto(ctx, 1);
1749                 else
1750                         {
1751                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1752                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1753                         if (ecdh == NULL)
1754                                 {
1755                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1756                                 goto end;
1757                                 }
1758                         }
1759                 (void)BIO_flush(bio_s_out);
1760
1761                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1762 #ifndef OPENSSL_NO_TLSEXT
1763                 if (ctx2)
1764                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1765 #endif
1766                 EC_KEY_free(ecdh);
1767                 }
1768 #endif
1769
1770         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1771                 goto end;
1772 #ifndef OPENSSL_NO_TLSEXT
1773         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1774                 goto end;
1775 #endif
1776         if (s_dcert != NULL)
1777                 {
1778                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1779                         goto end;
1780                 }
1781
1782 #ifndef OPENSSL_NO_RSA
1783 #if 1
1784         if (!no_tmp_rsa)
1785                 {
1786                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1787 #ifndef OPENSSL_NO_TLSEXT
1788                 if (ctx2)
1789                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1790 #endif
1791                 }
1792 #else
1793         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1794                 {
1795                 RSA *rsa;
1796
1797                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1798                 BIO_flush(bio_s_out);
1799
1800                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1801
1802                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1803                         {
1804                         ERR_print_errors(bio_err);
1805                         goto end;
1806                         }
1807 #ifndef OPENSSL_NO_TLSEXT
1808                         if (ctx2)
1809                                 {
1810                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1811                                         {
1812                                         ERR_print_errors(bio_err);
1813                                         goto end;
1814                                         }
1815                                 }
1816 #endif
1817                 RSA_free(rsa);
1818                 BIO_printf(bio_s_out,"\n");
1819                 }
1820 #endif
1821 #endif
1822
1823 #ifndef OPENSSL_NO_PSK
1824 #ifdef OPENSSL_NO_JPAKE
1825         if (psk_key != NULL)
1826 #else
1827         if (psk_key != NULL || jpake_secret)
1828 #endif
1829                 {
1830                 if (s_debug)
1831                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1832                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1833                 }
1834
1835         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1836                 {
1837                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1838                 ERR_print_errors(bio_err);
1839                 goto end;
1840                 }
1841 #endif
1842
1843         if (cipher != NULL)
1844                 {
1845                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1846                         {
1847                         BIO_printf(bio_err,"error setting cipher list\n");
1848                         ERR_print_errors(bio_err);
1849                         goto end;
1850                         }
1851 #ifndef OPENSSL_NO_TLSEXT
1852                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1853                         {
1854                         BIO_printf(bio_err,"error setting cipher list\n");
1855                         ERR_print_errors(bio_err);
1856                         goto end;
1857                         }
1858 #endif
1859                 }
1860 #ifndef OPENSSL_NO_TLSEXT
1861         if (curves)
1862                 {
1863                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1864                         {
1865                         BIO_printf(bio_err,"error setting curves list\n");
1866                         ERR_print_errors(bio_err);
1867                         goto end;
1868                         }
1869                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1870                         {
1871                         BIO_printf(bio_err,"error setting curves list\n");
1872                         ERR_print_errors(bio_err);
1873                         goto end;
1874                         }
1875                 }
1876 #endif
1877         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1878         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1879                 sizeof s_server_session_id_context);
1880
1881         /* Set DTLS cookie generation and verification callbacks */
1882         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1883         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1884
1885 #ifndef OPENSSL_NO_TLSEXT
1886         if (ctx2)
1887                 {
1888                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1889                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1890                         sizeof s_server_session_id_context);
1891
1892                 tlsextcbp.biodebug = bio_s_out;
1893                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1894                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1895                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1896                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1897                 }
1898 #endif
1899
1900 #ifndef OPENSSL_NO_SRP
1901         if (srp_verifier_file != NULL)
1902                 {
1903                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1904                 srp_callback_parm.user = NULL;
1905                 srp_callback_parm.login = NULL;
1906                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1907                         {
1908                         BIO_printf(bio_err,
1909                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1910                                    srp_verifier_file, ret);
1911                                 goto end;
1912                         }
1913                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1914                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1915                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1916                 }
1917         else
1918 #endif
1919         if (CAfile != NULL)
1920                 {
1921                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1922 #ifndef OPENSSL_NO_TLSEXT
1923                 if (ctx2)
1924                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1925 #endif
1926                 }
1927
1928         BIO_printf(bio_s_out,"ACCEPT\n");
1929         (void)BIO_flush(bio_s_out);
1930         if (www)
1931                 do_server(port,socket_type,&accept_socket,www_body, context);
1932         else
1933                 do_server(port,socket_type,&accept_socket,sv_body, context);
1934         print_stats(bio_s_out,ctx);
1935         ret=0;
1936 end:
1937         if (ctx != NULL) SSL_CTX_free(ctx);
1938         if (s_cert)
1939                 X509_free(s_cert);
1940         if (s_dcert)
1941                 X509_free(s_dcert);
1942         if (s_key)
1943                 EVP_PKEY_free(s_key);
1944         if (s_dkey)
1945                 EVP_PKEY_free(s_dkey);
1946         if (pass)
1947                 OPENSSL_free(pass);
1948         if (dpass)
1949                 OPENSSL_free(dpass);
1950 #ifndef OPENSSL_NO_TLSEXT
1951         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1952         if (s_cert2)
1953                 X509_free(s_cert2);
1954         if (s_key2)
1955                 EVP_PKEY_free(s_key2);
1956 #endif
1957         if (bio_s_out != NULL)
1958                 {
1959         BIO_free(bio_s_out);
1960                 bio_s_out=NULL;
1961                 }
1962         apps_shutdown();
1963         OPENSSL_EXIT(ret);
1964         }
1965
1966 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1967         {
1968         BIO_printf(bio,"%4ld items in the session cache\n",
1969                 SSL_CTX_sess_number(ssl_ctx));
1970         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1971                 SSL_CTX_sess_connect(ssl_ctx));
1972         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1973                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1974         BIO_printf(bio,"%4ld client connects that finished\n",
1975                 SSL_CTX_sess_connect_good(ssl_ctx));
1976         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1977                 SSL_CTX_sess_accept(ssl_ctx));
1978         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1979                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1980         BIO_printf(bio,"%4ld server accepts that finished\n",
1981                 SSL_CTX_sess_accept_good(ssl_ctx));
1982         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1983         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1984         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1985         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1986         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1987                 SSL_CTX_sess_cache_full(ssl_ctx),
1988                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1989         }
1990
1991 static int sv_body(char *hostname, int s, unsigned char *context)
1992         {
1993         char *buf=NULL;
1994         fd_set readfds;
1995         int ret=1,width;
1996         int k,i;
1997         unsigned long l;
1998         SSL *con=NULL;
1999         BIO *sbio;
2000 #ifndef OPENSSL_NO_KRB5
2001         KSSL_CTX *kctx;
2002 #endif
2003         struct timeval timeout;
2004 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2005         struct timeval tv;
2006 #else
2007         struct timeval *timeoutp;
2008 #endif
2009
2010         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2011                 {
2012                 BIO_printf(bio_err,"out of memory\n");
2013                 goto err;
2014                 }
2015 #ifdef FIONBIO
2016         if (s_nbio)
2017                 {
2018                 unsigned long sl=1;
2019
2020                 if (!s_quiet)
2021                         BIO_printf(bio_err,"turning on non blocking io\n");
2022                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2023                         ERR_print_errors(bio_err);
2024                 }
2025 #endif
2026
2027         if (con == NULL) {
2028                 con=SSL_new(ctx);
2029 #ifndef OPENSSL_NO_TLSEXT
2030         if (s_tlsextdebug)
2031                 {
2032                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2033                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2034                 }
2035         if (s_tlsextstatus)
2036                 {
2037                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2038                 tlscstatp.err = bio_err;
2039                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2040                 }
2041 #endif
2042 #ifndef OPENSSL_NO_KRB5
2043                 if ((kctx = kssl_ctx_new()) != NULL)
2044                         {
2045                         SSL_set0_kssl_ctx(con, kctx);
2046                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2047                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2048                         }
2049 #endif  /* OPENSSL_NO_KRB5 */
2050                 if(context)
2051                       SSL_set_session_id_context(con, context,
2052                                                  strlen((char *)context));
2053         }
2054         SSL_clear(con);
2055 #if 0
2056 #ifdef TLSEXT_TYPE_opaque_prf_input
2057         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2058 #endif
2059 #endif
2060
2061         if (SSL_version(con) == DTLS1_VERSION)
2062                 {
2063
2064                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2065
2066                 if (enable_timeouts)
2067                         {
2068                         timeout.tv_sec = 0;
2069                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2070                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2071
2072                         timeout.tv_sec = 0;
2073                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2074                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2075                         }
2076
2077                 if (socket_mtu > 28)
2078                         {
2079                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2080                         SSL_set_mtu(con, socket_mtu - 28);
2081                         }
2082                 else
2083                         /* want to do MTU discovery */
2084                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2085
2086         /* turn on cookie exchange */
2087         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2088                 }
2089         else
2090                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2091
2092         if (s_nbio_test)
2093                 {
2094                 BIO *test;
2095
2096                 test=BIO_new(BIO_f_nbio_test());
2097                 sbio=BIO_push(test,sbio);
2098                 }
2099 #ifndef OPENSSL_NO_JPAKE
2100         if(jpake_secret)
2101                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2102 #endif
2103
2104         SSL_set_bio(con,sbio,sbio);
2105         SSL_set_accept_state(con);
2106         /* SSL_set_fd(con,s); */
2107
2108         if (s_debug)
2109                 {
2110                 SSL_set_debug(con, 1);
2111                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2112                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2113                 }
2114         if (s_msg)
2115                 {
2116                 SSL_set_msg_callback(con, msg_cb);
2117                 SSL_set_msg_callback_arg(con, bio_s_out);
2118                 }
2119 #ifndef OPENSSL_NO_TLSEXT
2120         if (s_tlsextdebug)
2121                 {
2122                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2123                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2124                 }
2125 #endif
2126
2127         width=s+1;
2128         for (;;)
2129                 {
2130                 int read_from_terminal;
2131                 int read_from_sslcon;
2132
2133                 read_from_terminal = 0;
2134                 read_from_sslcon = SSL_pending(con);
2135
2136                 if (!read_from_sslcon)
2137                         {
2138                         FD_ZERO(&readfds);
2139 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2140                         openssl_fdset(fileno(stdin),&readfds);
2141 #endif
2142                         openssl_fdset(s,&readfds);
2143                         /* Note: under VMS with SOCKETSHR the second parameter is
2144                          * currently of type (int *) whereas under other systems
2145                          * it is (void *) if you don't have a cast it will choke
2146                          * the compiler: if you do have a cast then you can either
2147                          * go for (int *) or (void *).
2148                          */
2149 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2150                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2151                          * on sockets. As a workaround we timeout the select every
2152                          * second and check for any keypress. In a proper Windows
2153                          * application we wouldn't do this because it is inefficient.
2154                          */
2155                         tv.tv_sec = 1;
2156                         tv.tv_usec = 0;
2157                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2158                         if((i < 0) || (!i && !_kbhit() ) )continue;
2159                         if(_kbhit())
2160                                 read_from_terminal = 1;
2161 #elif defined(OPENSSL_SYS_BEOS_R5)
2162                         /* Under BeOS-R5 the situation is similar to DOS */
2163                         tv.tv_sec = 1;
2164                         tv.tv_usec = 0;
2165                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2166                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2167                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2168                                 continue;
2169                         if (read(fileno(stdin), buf, 0) >= 0)
2170                                 read_from_terminal = 1;
2171                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2172 #else
2173                         if ((SSL_version(con) == DTLS1_VERSION) &&
2174                                 DTLSv1_get_timeout(con, &timeout))
2175                                 timeoutp = &timeout;
2176                         else
2177                                 timeoutp = NULL;
2178
2179                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2180
2181                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2182                                 {
2183                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2184                                 }
2185
2186                         if (i <= 0) continue;
2187                         if (FD_ISSET(fileno(stdin),&readfds))
2188                                 read_from_terminal = 1;
2189 #endif
2190                         if (FD_ISSET(s,&readfds))
2191                                 read_from_sslcon = 1;
2192                         }
2193                 if (read_from_terminal)
2194                         {
2195                         if (s_crlf)
2196                                 {
2197                                 int j, lf_num;
2198
2199                                 i=raw_read_stdin(buf, bufsize/2);
2200                                 lf_num = 0;
2201                                 /* both loops are skipped when i <= 0 */
2202                                 for (j = 0; j < i; j++)
2203                                         if (buf[j] == '\n')
2204                                                 lf_num++;
2205                                 for (j = i-1; j >= 0; j--)
2206                                         {
2207                                         buf[j+lf_num] = buf[j];
2208                                         if (buf[j] == '\n')
2209                                                 {
2210                                                 lf_num--;
2211                                                 i++;
2212                                                 buf[j+lf_num] = '\r';
2213                                                 }
2214                                         }
2215                                 assert(lf_num == 0);
2216                                 }
2217                         else
2218                                 i=raw_read_stdin(buf,bufsize);
2219                         if (!s_quiet)
2220                                 {
2221                                 if ((i <= 0) || (buf[0] == 'Q'))
2222                                         {
2223                                         BIO_printf(bio_s_out,"DONE\n");
2224                                         SHUTDOWN(s);
2225                                         close_accept_socket();
2226                                         ret= -11;
2227                                         goto err;
2228                                         }
2229                                 if ((i <= 0) || (buf[0] == 'q'))
2230                                         {
2231                                         BIO_printf(bio_s_out,"DONE\n");
2232                                         if (SSL_version(con) != DTLS1_VERSION)
2233                         SHUTDOWN(s);
2234         /*                              close_accept_socket();
2235                                         ret= -11;*/
2236                                         goto err;
2237                                         }
2238
2239 #ifndef OPENSSL_NO_HEARTBEATS
2240                                 if ((buf[0] == 'B') &&
2241                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2242                                         {
2243                                         BIO_printf(bio_err,"HEARTBEATING\n");
2244                                         SSL_heartbeat(con);
2245                                         i=0;
2246                                         continue;
2247                                         }
2248 #endif
2249                                 if ((buf[0] == 'r') &&
2250                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2251                                         {
2252                                         SSL_renegotiate(con);
2253                                         i=SSL_do_handshake(con);
2254                                         printf("SSL_do_handshake -> %d\n",i);
2255                                         i=0; /*13; */
2256                                         continue;
2257                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2258                                         }
2259                                 if ((buf[0] == 'R') &&
2260                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2261                                         {
2262                                         SSL_set_verify(con,
2263                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2264                                         SSL_renegotiate(con);
2265                                         i=SSL_do_handshake(con);
2266                                         printf("SSL_do_handshake -> %d\n",i);
2267                                         i=0; /* 13; */
2268                                         continue;
2269                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2270                                         }
2271                                 if (buf[0] == 'P')
2272                                         {
2273                                         static const char *str="Lets print some clear text\n";
2274                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2275                                         }
2276                                 if (buf[0] == 'S')
2277                                         {
2278                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2279                                         }
2280                                 }
2281 #ifdef CHARSET_EBCDIC
2282                         ebcdic2ascii(buf,buf,i);
2283 #endif
2284                         l=k=0;
2285                         for (;;)
2286                                 {
2287                                 /* should do a select for the write */
2288 #ifdef RENEG
2289 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2290 #endif
2291                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2292 #ifndef OPENSSL_NO_SRP
2293                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2294                                         {
2295                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2296                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2297                                         if (srp_callback_parm.user)
2298                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2299                                         else
2300                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2301                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2302                                         }
2303 #endif
2304                                 switch (SSL_get_error(con,k))
2305                                         {
2306                                 case SSL_ERROR_NONE:
2307                                         break;
2308                                 case SSL_ERROR_WANT_WRITE:
2309                                 case SSL_ERROR_WANT_READ:
2310                                 case SSL_ERROR_WANT_X509_LOOKUP:
2311                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2312                                         break;
2313                                 case SSL_ERROR_SYSCALL:
2314                                 case SSL_ERROR_SSL:
2315                                         BIO_printf(bio_s_out,"ERROR\n");
2316                                         ERR_print_errors(bio_err);
2317                                         ret=1;
2318                                         goto err;
2319                                         /* break; */
2320                                 case SSL_ERROR_ZERO_RETURN:
2321                                         BIO_printf(bio_s_out,"DONE\n");
2322                                         ret=1;
2323                                         goto err;
2324                                         }
2325                                 l+=k;
2326                                 i-=k;
2327                                 if (i <= 0) break;
2328                                 }
2329                         }
2330                 if (read_from_sslcon)
2331                         {
2332                         if (!SSL_is_init_finished(con))
2333                                 {
2334                                 i=init_ssl_connection(con);
2335
2336                                 if (i < 0)
2337                                         {
2338                                         ret=0;
2339                                         goto err;
2340                                         }
2341                                 else if (i == 0)
2342                                         {
2343                                         ret=1;
2344                                         goto err;
2345                                         }
2346                                 }
2347                         else
2348                                 {
2349 again:
2350                                 i=SSL_read(con,(char *)buf,bufsize);
2351 #ifndef OPENSSL_NO_SRP
2352                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2353                                         {
2354                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2355                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2356                                         if (srp_callback_parm.user)
2357                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2358                                         else
2359                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2360                                         i=SSL_read(con,(char *)buf,bufsize);
2361                                         }
2362 #endif
2363                                 switch (SSL_get_error(con,i))
2364                                         {
2365                                 case SSL_ERROR_NONE:
2366 #ifdef CHARSET_EBCDIC
2367                                         ascii2ebcdic(buf,buf,i);
2368 #endif
2369                                         raw_write_stdout(buf,
2370                                                 (unsigned int)i);
2371                                         if (SSL_pending(con)) goto again;
2372                                         break;
2373                                 case SSL_ERROR_WANT_WRITE:
2374                                 case SSL_ERROR_WANT_READ:
2375                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2376                                         break;
2377                                 case SSL_ERROR_SYSCALL:
2378                                 case SSL_ERROR_SSL:
2379                                         BIO_printf(bio_s_out,"ERROR\n");
2380                                         ERR_print_errors(bio_err);
2381                                         ret=1;
2382                                         goto err;
2383                                 case SSL_ERROR_ZERO_RETURN:
2384                                         BIO_printf(bio_s_out,"DONE\n");
2385                                         ret=1;
2386                                         goto err;
2387                                         }
2388                                 }
2389                         }
2390                 }
2391 err:
2392         if (con != NULL)
2393                 {
2394                 BIO_printf(bio_s_out,"shutting down SSL\n");
2395 #if 1
2396                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2397 #else
2398                 SSL_shutdown(con);
2399 #endif
2400                 SSL_free(con);
2401                 }
2402         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2403         if (buf != NULL)
2404                 {
2405                 OPENSSL_cleanse(buf,bufsize);
2406                 OPENSSL_free(buf);
2407                 }
2408         if (ret >= 0)
2409                 BIO_printf(bio_s_out,"ACCEPT\n");
2410         return(ret);
2411         }
2412
2413 static void close_accept_socket(void)
2414         {
2415         BIO_printf(bio_err,"shutdown accept socket\n");
2416         if (accept_socket >= 0)
2417                 {
2418                 SHUTDOWN2(accept_socket);
2419                 }
2420         }
2421
2422 static int init_ssl_connection(SSL *con)
2423         {
2424         int i;
2425         const char *str;
2426         X509 *peer;
2427         long verify_error;
2428         MS_STATIC char buf[BUFSIZ];
2429 #ifndef OPENSSL_NO_KRB5
2430         char *client_princ;
2431 #endif
2432 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2433         const unsigned char *next_proto_neg;
2434         unsigned next_proto_neg_len;
2435 #endif
2436         unsigned char *exportedkeymat;
2437
2438
2439         i=SSL_accept(con);
2440 #ifndef OPENSSL_NO_SRP
2441         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2442                 {
2443                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2444                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2445                         if (srp_callback_parm.user)
2446                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2447                         else
2448                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2449                         i=SSL_accept(con);
2450                 }
2451 #endif
2452         if (i <= 0)
2453                 {
2454                 if (BIO_sock_should_retry(i))
2455                         {
2456                         BIO_printf(bio_s_out,"DELAY\n");
2457                         return(1);
2458                         }
2459
2460                 BIO_printf(bio_err,"ERROR\n");
2461                 verify_error=SSL_get_verify_result(con);
2462                 if (verify_error != X509_V_OK)
2463                         {
2464                         BIO_printf(bio_err,"verify error:%s\n",
2465                                 X509_verify_cert_error_string(verify_error));
2466                         }
2467                 else
2468                         ERR_print_errors(bio_err);
2469                 return(0);
2470                 }
2471
2472         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2473
2474         peer=SSL_get_peer_certificate(con);
2475         if (peer != NULL)
2476                 {
2477                 BIO_printf(bio_s_out,"Client certificate\n");
2478                 PEM_write_bio_X509(bio_s_out,peer);
2479                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2480                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2481                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2482                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2483                 X509_free(peer);
2484                 }
2485
2486         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2487                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2488         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2489         ssl_print_sigalgs(bio_s_out, con);
2490         ssl_print_curves(bio_s_out, con);
2491         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2492
2493 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2494         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2495         if (next_proto_neg)
2496                 {
2497                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2498                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2499                 BIO_printf(bio_s_out, "\n");
2500                 }
2501 #endif
2502         {
2503         SRTP_PROTECTION_PROFILE *srtp_profile
2504           = SSL_get_selected_srtp_profile(con);
2505
2506         if(srtp_profile)
2507                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2508                            srtp_profile->name);
2509         }
2510         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2511         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2512                 TLS1_FLAGS_TLS_PADDING_BUG)
2513                 BIO_printf(bio_s_out,
2514                            "Peer has incorrect TLSv1 block padding\n");
2515 #ifndef OPENSSL_NO_KRB5
2516         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2517         if (client_princ != NULL)
2518                 {
2519                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2520                                                                 client_princ);
2521                 }
2522 #endif /* OPENSSL_NO_KRB5 */
2523         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2524                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2525         if (keymatexportlabel != NULL)
2526                 {
2527                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2528                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2529                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2530                            keymatexportlen);
2531                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2532                 if (exportedkeymat != NULL)
2533                         {
2534                         if (!SSL_export_keying_material(con, exportedkeymat,
2535                                                         keymatexportlen,
2536                                                         keymatexportlabel,
2537                                                         strlen(keymatexportlabel),
2538                                                         NULL, 0, 0))
2539                                 {
2540                                 BIO_printf(bio_s_out, "    Error\n");
2541                                 }
2542                         else
2543                                 {
2544                                 BIO_printf(bio_s_out, "    Keying material: ");
2545                                 for (i=0; i<keymatexportlen; i++)
2546                                         BIO_printf(bio_s_out, "%02X",
2547                                                    exportedkeymat[i]);
2548                                 BIO_printf(bio_s_out, "\n");
2549                                 }
2550                         OPENSSL_free(exportedkeymat);
2551                         }
2552                 }
2553
2554         return(1);
2555         }
2556
2557 #ifndef OPENSSL_NO_DH
2558 static DH *load_dh_param(const char *dhfile)
2559         {
2560         DH *ret=NULL;
2561         BIO *bio;
2562
2563         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2564                 goto err;
2565         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2566 err:
2567         if (bio != NULL) BIO_free(bio);
2568         return(ret);
2569         }
2570 #endif
2571 #ifndef OPENSSL_NO_KRB5
2572         char *client_princ;
2573 #endif
2574
2575 #if 0
2576 static int load_CA(SSL_CTX *ctx, char *file)
2577         {
2578         FILE *in;
2579         X509 *x=NULL;
2580
2581         if ((in=fopen(file,"r")) == NULL)
2582                 return(0);
2583
2584         for (;;)
2585                 {
2586                 if (PEM_read_X509(in,&x,NULL) == NULL)
2587                         break;
2588                 SSL_CTX_add_client_CA(ctx,x);
2589                 }
2590         if (x != NULL) X509_free(x);
2591         fclose(in);
2592         return(1);
2593         }
2594 #endif
2595
2596 static int www_body(char *hostname, int s, unsigned char *context)
2597         {
2598         char *buf=NULL;
2599         int ret=1;
2600         int i,j,k,dot;
2601         SSL *con;
2602         const SSL_CIPHER *c;
2603         BIO *io,*ssl_bio,*sbio;
2604 #ifndef OPENSSL_NO_KRB5
2605         KSSL_CTX *kctx;
2606 #endif
2607
2608         buf=OPENSSL_malloc(bufsize);
2609         if (buf == NULL) return(0);
2610         io=BIO_new(BIO_f_buffer());
2611         ssl_bio=BIO_new(BIO_f_ssl());
2612         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2613
2614 #ifdef FIONBIO
2615         if (s_nbio)
2616                 {
2617                 unsigned long sl=1;
2618
2619                 if (!s_quiet)
2620                         BIO_printf(bio_err,"turning on non blocking io\n");
2621                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2622                         ERR_print_errors(bio_err);
2623                 }
2624 #endif
2625
2626         /* lets make the output buffer a reasonable size */
2627         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2628
2629         if ((con=SSL_new(ctx)) == NULL) goto err;
2630 #ifndef OPENSSL_NO_TLSEXT
2631                 if (s_tlsextdebug)
2632                         {
2633                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2634                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2635                         }
2636 #endif
2637 #ifndef OPENSSL_NO_KRB5
2638         if ((kctx = kssl_ctx_new()) != NULL)
2639                 {
2640                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2641                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2642                 }
2643 #endif  /* OPENSSL_NO_KRB5 */
2644         if(context) SSL_set_session_id_context(con, context,
2645                                                strlen((char *)context));
2646
2647         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2648         if (s_nbio_test)
2649                 {
2650                 BIO *test;
2651
2652                 test=BIO_new(BIO_f_nbio_test());
2653                 sbio=BIO_push(test,sbio);
2654                 }
2655         SSL_set_bio(con,sbio,sbio);
2656         SSL_set_accept_state(con);
2657
2658         /* SSL_set_fd(con,s); */
2659         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2660         BIO_push(io,ssl_bio);
2661 #ifdef CHARSET_EBCDIC
2662         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2663 #endif
2664
2665         if (s_debug)
2666                 {
2667                 SSL_set_debug(con, 1);
2668                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2669                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2670                 }
2671         if (s_msg)
2672                 {
2673                 SSL_set_msg_callback(con, msg_cb);
2674                 SSL_set_msg_callback_arg(con, bio_s_out);
2675                 }
2676
2677         for (;;)
2678                 {
2679                 if (hack)
2680                         {
2681                         i=SSL_accept(con);
2682 #ifndef OPENSSL_NO_SRP
2683                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2684                 {
2685                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2686                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2687                         if (srp_callback_parm.user)
2688                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2689                         else
2690                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2691                         i=SSL_accept(con);
2692                 }
2693 #endif
2694                         switch (SSL_get_error(con,i))
2695                                 {
2696                         case SSL_ERROR_NONE:
2697                                 break;
2698                         case SSL_ERROR_WANT_WRITE:
2699                         case SSL_ERROR_WANT_READ:
2700                         case SSL_ERROR_WANT_X509_LOOKUP:
2701                                 continue;
2702                         case SSL_ERROR_SYSCALL:
2703                         case SSL_ERROR_SSL:
2704                         case SSL_ERROR_ZERO_RETURN:
2705                                 ret=1;
2706                                 goto err;
2707                                 /* break; */
2708                                 }
2709
2710                         SSL_renegotiate(con);
2711                         SSL_write(con,NULL,0);
2712                         }
2713
2714                 i=BIO_gets(io,buf,bufsize-1);
2715                 if (i < 0) /* error */
2716                         {
2717                         if (!BIO_should_retry(io))
2718                                 {
2719                                 if (!s_quiet)
2720                                         ERR_print_errors(bio_err);
2721                                 goto err;
2722                                 }
2723                         else
2724                                 {
2725                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2726 #if defined(OPENSSL_SYS_NETWARE)
2727             delay(1000);
2728 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2729                                 sleep(1);
2730 #endif
2731                                 continue;
2732                                 }
2733                         }
2734                 else if (i == 0) /* end of input */
2735                         {
2736                         ret=1;
2737                         goto end;
2738                         }
2739
2740                 /* else we have data */
2741                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2742                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2743                         {
2744                         char *p;
2745                         X509 *peer;
2746                         STACK_OF(SSL_CIPHER) *sk;
2747                         static const char *space="                          ";
2748
2749                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2750                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2751                         BIO_puts(io,"<pre>\n");
2752 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2753                         BIO_puts(io,"\n");
2754                         for (i=0; i<local_argc; i++)
2755                                 {
2756                                 BIO_puts(io,local_argv[i]);
2757                                 BIO_write(io," ",1);
2758                                 }
2759                         BIO_puts(io,"\n");
2760
2761                         /* The following is evil and should not really
2762                          * be done */
2763                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2764                         sk=SSL_get_ciphers(con);
2765                         j=sk_SSL_CIPHER_num(sk);
2766                         for (i=0; i<j; i++)
2767                                 {
2768                                 c=sk_SSL_CIPHER_value(sk,i);
2769                                 BIO_printf(io,"%-11s:%-25s",
2770                                         SSL_CIPHER_get_version(c),
2771                                         SSL_CIPHER_get_name(c));
2772                                 if ((((i+1)%2) == 0) && (i+1 != j))
2773                                         BIO_puts(io,"\n");
2774                                 }
2775                         BIO_puts(io,"\n");
2776                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2777                         if (p != NULL)
2778                                 {
2779                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2780                                 j=i=0;
2781                                 while (*p)
2782                                         {
2783                                         if (*p == ':')
2784                                                 {
2785                                                 BIO_write(io,space,26-j);
2786                                                 i++;
2787                                                 j=0;
2788                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2789                                                 }
2790                                         else
2791                                                 {
2792                                                 BIO_write(io,p,1);
2793                                                 j++;
2794                                                 }
2795                                         p++;
2796                                         }
2797                                 BIO_puts(io,"\n");
2798                                 }
2799                         ssl_print_sigalgs(io, con);
2800                         ssl_print_curves(io, con);
2801                         BIO_printf(io,(SSL_cache_hit(con)
2802                                 ?"---\nReused, "
2803                                 :"---\nNew, "));
2804                         c=SSL_get_current_cipher(con);
2805                         BIO_printf(io,"%s, Cipher is %s\n",
2806                                 SSL_CIPHER_get_version(c),
2807                                 SSL_CIPHER_get_name(c));
2808                         SSL_SESSION_print(io,SSL_get_session(con));
2809                         BIO_printf(io,"---\n");
2810                         print_stats(io,SSL_get_SSL_CTX(con));
2811                         BIO_printf(io,"---\n");
2812                         peer=SSL_get_peer_certificate(con);
2813                         if (peer != NULL)
2814                                 {
2815                                 BIO_printf(io,"Client certificate\n");
2816                                 X509_print(io,peer);
2817                                 PEM_write_bio_X509(io,peer);
2818                                 }
2819                         else
2820                                 BIO_puts(io,"no client certificate available\n");
2821                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2822                         break;
2823                         }
2824                 else if ((www == 2 || www == 3)
2825                          && (strncmp("GET /",buf,5) == 0))
2826                         {
2827                         BIO *file;
2828                         char *p,*e;
2829                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2830
2831                         /* skip the '/' */
2832                         p= &(buf[5]);
2833
2834                         dot = 1;
2835                         for (e=p; *e != '\0'; e++)
2836                                 {
2837                                 if (e[0] == ' ')
2838                                         break;
2839
2840                                 switch (dot)
2841                                         {
2842                                 case 1:
2843                                         dot = (e[0] == '.') ? 2 : 0;
2844                                         break;
2845                                 case 2:
2846                                         dot = (e[0] == '.') ? 3 : 0;
2847                                         break;
2848                                 case 3:
2849                                         dot = (e[0] == '/') ? -1 : 0;
2850                                         break;
2851                                         }
2852                                 if (dot == 0)
2853                                         dot = (e[0] == '/') ? 1 : 0;
2854                                 }
2855                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2856
2857                         if (*e == '\0')
2858                                 {
2859                                 BIO_puts(io,text);
2860                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2861                                 break;
2862                                 }
2863                         *e='\0';
2864
2865                         if (dot)
2866                                 {
2867                                 BIO_puts(io,text);
2868                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2869                                 break;
2870                                 }
2871
2872                         if (*p == '/')
2873                                 {
2874                                 BIO_puts(io,text);
2875                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2876                                 break;
2877                                 }
2878
2879 #if 0
2880                         /* append if a directory lookup */
2881                         if (e[-1] == '/')
2882                                 strcat(p,"index.html");
2883 #endif
2884
2885                         /* if a directory, do the index thang */
2886                         if (app_isdir(p)>0)
2887                                 {
2888 #if 0 /* must check buffer size */
2889                                 strcat(p,"/index.html");
2890 #else
2891                                 BIO_puts(io,text);
2892                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2893                                 break;
2894 #endif
2895                                 }
2896
2897                         if ((file=BIO_new_file(p,"r")) == NULL)
2898                                 {
2899                                 BIO_puts(io,text);
2900                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2901                                 ERR_print_errors(io);
2902                                 break;
2903                                 }
2904
2905                         if (!s_quiet)
2906                                 BIO_printf(bio_err,"FILE:%s\n",p);
2907
2908                         if (www == 2)
2909                                 {
2910                                 i=strlen(p);
2911                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2912                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2913                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2914                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2915                                 else
2916                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2917                                 }
2918                         /* send the file */
2919                         for (;;)
2920                                 {
2921                                 i=BIO_read(file,buf,bufsize);
2922                                 if (i <= 0) break;
2923
2924 #ifdef RENEG
2925                                 total_bytes+=i;
2926                                 fprintf(stderr,"%d\n",i);
2927                                 if (total_bytes > 3*1024)
2928                                         {
2929                                         total_bytes=0;
2930                                         fprintf(stderr,"RENEGOTIATE\n");
2931                                         SSL_renegotiate(con);
2932                                         }
2933 #endif
2934
2935                                 for (j=0; j<i; )
2936                                         {
2937 #ifdef RENEG
2938 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2939 #endif
2940                                         k=BIO_write(io,&(buf[j]),i-j);
2941                                         if (k <= 0)
2942                                                 {
2943                                                 if (!BIO_should_retry(io))
2944                                                         goto write_error;
2945                                                 else
2946                                                         {
2947                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2948                                                         }
2949                                                 }
2950                                         else
2951                                                 {
2952                                                 j+=k;
2953                                                 }
2954                                         }
2955                                 }
2956 write_error:
2957                         BIO_free(file);
2958                         break;
2959                         }
2960                 }
2961
2962         for (;;)
2963                 {
2964                 i=(int)BIO_flush(io);
2965                 if (i <= 0)
2966                         {
2967                         if (!BIO_should_retry(io))
2968                                 break;
2969                         }
2970                 else
2971                         break;
2972                 }
2973 end:
2974 #if 1
2975         /* make sure we re-use sessions */
2976         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2977 #else
2978         /* This kills performance */
2979 /*      SSL_shutdown(con); A shutdown gets sent in the
2980  *      BIO_free_all(io) procession */
2981 #endif
2982
2983 err:
2984
2985         if (ret >= 0)
2986                 BIO_printf(bio_s_out,"ACCEPT\n");
2987
2988         if (buf != NULL) OPENSSL_free(buf);
2989         if (io != NULL) BIO_free_all(io);
2990 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2991         return(ret);
2992         }
2993
2994 #ifndef OPENSSL_NO_RSA
2995 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2996         {
2997         BIGNUM *bn = NULL;
2998         static RSA *rsa_tmp=NULL;
2999
3000         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3001                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3002         if (!rsa_tmp && bn)
3003                 {
3004                 if (!s_quiet)
3005                         {
3006                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3007                         (void)BIO_flush(bio_err);
3008                         }
3009                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3010                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3011                         {
3012                         if(rsa_tmp) RSA_free(rsa_tmp);
3013                         rsa_tmp = NULL;
3014                         }
3015                 if (!s_quiet)
3016                         {
3017                         BIO_printf(bio_err,"\n");
3018                         (void)BIO_flush(bio_err);
3019                         }
3020                 BN_free(bn);
3021                 }
3022         return(rsa_tmp);
3023         }
3024 #endif
3025
3026 #define MAX_SESSION_ID_ATTEMPTS 10
3027 static int generate_session_id(const SSL *ssl, unsigned char *id,
3028                                 unsigned int *id_len)
3029         {
3030         unsigned int count = 0;
3031         do      {
3032                 RAND_pseudo_bytes(id, *id_len);
3033                 /* Prefix the session_id with the required prefix. NB: If our
3034                  * prefix is too long, clip it - but there will be worse effects
3035                  * anyway, eg. the server could only possibly create 1 session
3036                  * ID (ie. the prefix!) so all future session negotiations will
3037                  * fail due to conflicts. */
3038                 memcpy(id, session_id_prefix,
3039                         (strlen(session_id_prefix) < *id_len) ?
3040                         strlen(session_id_prefix) : *id_len);
3041                 }
3042         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3043                 (++count < MAX_SESSION_ID_ATTEMPTS));
3044         if(count >= MAX_SESSION_ID_ATTEMPTS)
3045                 return 0;
3046         return 1;
3047         }