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;
 271 #ifndef OPENSSL_NO_TLSEXT
 272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 273 #endif
 274 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 275 #ifdef FIONBIO
 276 static int s_nbio=0;
 277 #endif
 278 static int s_nbio_test=0;
 279 int s_crlf=0;
 280 static SSL_CTX *ctx=NULL;
 281 #ifndef OPENSSL_NO_TLSEXT
 282 static SSL_CTX *ctx2=NULL;
 283 #endif
 284 static int www=0;
 285
 286 static BIO *bio_s_out=NULL;
 287 static int s_debug=0;
 288 #ifndef OPENSSL_NO_TLSEXT
 289 static int s_tlsextdebug=0;
 290 static int s_tlsextstatus=0;
 291 static int cert_status_cb(SSL *s, void *arg);
 292 #endif
 293 static int s_msg=0;
 294 static int s_quiet=0;
 295
 296 static char *keymatexportlabel=NULL;
 297 static int keymatexportlen=20;
 298
 299 static int hack=0;
 300 #ifndef OPENSSL_NO_ENGINE
 301 static char *engine_id=NULL;
 302 #endif
 303 static const char *session_id_prefix=NULL;
 304
 305 static int enable_timeouts = 0;
 306 static long socket_mtu;
 307 #ifndef OPENSSL_NO_DTLS1
 308 static int cert_chain = 0;
 309 #endif
 310
 311
 312 #ifndef OPENSSL_NO_PSK
 313 static char *psk_identity="Client_identity";
 314 char *psk_key=NULL; /* by default PSK is not used */
 315
 316 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 317         unsigned char *psk, unsigned int max_psk_len)
 318         {
 319         unsigned int psk_len = 0;
 320         int ret;
 321         BIGNUM *bn = NULL;
 322
 323         if (s_debug)
 324                 BIO_printf(bio_s_out,"psk_server_cb\n");
 325         if (!identity)
 326                 {
 327                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 328                 goto out_err;
 329                 }
 330         if (s_debug)
 331                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 332                         identity ? (int)strlen(identity) : 0, identity);
 333
 334         /* here we could lookup the given identity e.g. from a database */
 335         if (strcmp(identity, psk_identity) != 0)
 336                 {
 337                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 338                            " (got '%s' expected '%s')\n", identity,
 339                            psk_identity);
 340                 goto out_err;
 341                 }
 342         if (s_debug)
 343                 BIO_printf(bio_s_out, "PSK client identity found\n");
 344
 345         /* convert the PSK key to binary */
 346         ret = BN_hex2bn(&bn, psk_key);
 347         if (!ret)
 348                 {
 349                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 350                 if (bn)
 351                         BN_free(bn);
 352                 return 0;
 353                 }
 354         if (BN_num_bytes(bn) > (int)max_psk_len)
 355                 {
 356                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 357                         max_psk_len, BN_num_bytes(bn));
 358                 BN_free(bn);
 359                 return 0;
 360                 }
 361
 362         ret = BN_bn2bin(bn, psk);
 363         BN_free(bn);
 364
 365         if (ret < 0)
 366                 goto out_err;
 367         psk_len = (unsigned int)ret;
 368
 369         if (s_debug)
 370                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 371         return psk_len;
 372  out_err:
 373         if (s_debug)
 374                 BIO_printf(bio_err, "Error in PSK server callback\n");
 375         return 0;
 376         }
 377 #endif
 378
 379 #ifndef OPENSSL_NO_SRP
 380 /* This is a context that we pass to callbacks */
 381 typedef struct srpsrvparm_st
 382         {
 383         char *login;
 384         SRP_VBASE *vb;
 385         SRP_user_pwd *user;
 386         } srpsrvparm;
 387
 388 /* This callback pretends to require some asynchronous logic in order to obtain
 389    a verifier. When the callback is called for a new connection we return
 390    with a negative value. This will provoke the accept etc to return with
 391    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 392    (which would normally occur after a worker has finished) and we
 393    set the user parameters.
 394 */
 395 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 396         {
 397         srpsrvparm *p = (srpsrvparm *)arg;
 398         if (p->login == NULL && p->user == NULL )
 399                 {
 400                 p->login = SSL_get_srp_username(s);
 401                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 402                 return (-1) ;
 403                 }
 404
 405         if (p->user == NULL)
 406                 {
 407                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 408                 return SSL3_AL_FATAL;
 409                 }
 410         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 411                                      p->user->info) < 0)
 412                 {
 413                 *ad = SSL_AD_INTERNAL_ERROR;
 414                 return SSL3_AL_FATAL;
 415                 }
 416         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 417         /* need to check whether there are memory leaks */
 418         p->user = NULL;
 419         p->login = NULL;
 420         return SSL_ERROR_NONE;
 421         }
 422
 423 #endif
 424
 425 #ifdef MONOLITH
 426 static void s_server_init(void)
 427         {
 428         accept_socket=-1;
 429         cipher=NULL;
 430         s_server_verify=SSL_VERIFY_NONE;
 431         s_dcert_file=NULL;
 432         s_dkey_file=NULL;
 433         s_cert_file=TEST_CERT;
 434         s_key_file=NULL;
 435 #ifndef OPENSSL_NO_TLSEXT
 436         s_cert_file2=TEST_CERT2;
 437         s_key_file2=NULL;
 438         ctx2=NULL;
 439 #endif
 440 #ifdef FIONBIO
 441         s_nbio=0;
 442 #endif
 443         s_nbio_test=0;
 444         ctx=NULL;
 445         www=0;
 446
 447         bio_s_out=NULL;
 448         s_debug=0;
 449         s_msg=0;
 450         s_quiet=0;
 451         hack=0;
 452 #ifndef OPENSSL_NO_ENGINE
 453         engine_id=NULL;
 454 #endif
 455         }
 456 #endif
 457
 458 static void sv_usage(void)
 459         {
 460         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 461         BIO_printf(bio_err,"\n");
 462         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 463         BIO_printf(bio_err," -context arg  - set session ID context\n");
 464         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 465         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 466         BIO_printf(bio_err," -verify_return_error - return verification errors\n");
 467         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 468         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 469         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 470                            "                 The CRL(s) are appended to the certificate file\n");
 471         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 472                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 473                            "                 the certificate file.\n");
 474         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 475         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 476         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 477         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 478         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 479         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 480         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 481         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 482         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 483         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 484         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 485         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 486 #ifndef OPENSSL_NO_ECDH
 487         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 488                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 489                            "                 (default is nistp256).\n");
 490 #endif
 491 #ifdef FIONBIO
 492         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 493 #endif
 494         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 495         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 496         BIO_printf(bio_err," -debug        - Print more output\n");
 497         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 498         BIO_printf(bio_err," -state        - Print the SSL states\n");
 499         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 500         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 501         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 502         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 503         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 504         BIO_printf(bio_err," -quiet        - No server output\n");
 505         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 506 #ifndef OPENSSL_NO_PSK
 507         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 508         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 509 # ifndef OPENSSL_NO_JPAKE
 510         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 511 # endif
 512 #endif
 513 #ifndef OPENSSL_NO_SRP
 514         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 515         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 516 #endif
 517         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 518 #ifndef OPENSSL_NO_SSL3_METHOD
 519         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 520 #endif
 521         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 522         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 523         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 524         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 525         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 526         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 527         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 528         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 529         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 530         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 531         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 532         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 533 #ifndef OPENSSL_NO_DH
 534         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 535 #endif
 536 #ifndef OPENSSL_NO_ECDH
 537         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 538 #endif
 539         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 540         BIO_printf(bio_err," -hack         - workaround for early Netscape code\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 # ifndef OPENSSL_NO_SRTP
 564         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 565 # endif
 566 #endif
 567         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 568         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 569         BIO_printf(bio_err," -status           - respond to certificate status requests\n");
 570         BIO_printf(bio_err," -status_verbose   - enable status request verbose printout\n");
 571         BIO_printf(bio_err," -status_timeout n - status request responder timeout\n");
 572         BIO_printf(bio_err," -status_url URL   - status request fallback URL\n");
 573         }
 574
 575 static int local_argc=0;
 576 static char **local_argv;
 577
 578 #ifdef CHARSET_EBCDIC
 579 static int ebcdic_new(BIO *bi);
 580 static int ebcdic_free(BIO *a);
 581 static int ebcdic_read(BIO *b, char *out, int outl);
 582 static int ebcdic_write(BIO *b, const char *in, int inl);
 583 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 584 static int ebcdic_gets(BIO *bp, char *buf, int size);
 585 static int ebcdic_puts(BIO *bp, const char *str);
 586
 587 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 588 static BIO_METHOD methods_ebcdic=
 589         {
 590         BIO_TYPE_EBCDIC_FILTER,
 591         "EBCDIC/ASCII filter",
 592         ebcdic_write,
 593         ebcdic_read,
 594         ebcdic_puts,
 595         ebcdic_gets,
 596         ebcdic_ctrl,
 597         ebcdic_new,
 598         ebcdic_free,
 599         };
 600
 601 typedef struct
 602 {
 603         size_t  alloced;
 604         char    buff[1];
 605 } EBCDIC_OUTBUFF;
 606
 607 BIO_METHOD *BIO_f_ebcdic_filter()
 608 {
 609         return(&methods_ebcdic);
 610 }
 611
 612 static int ebcdic_new(BIO *bi)
 613 {
 614         EBCDIC_OUTBUFF *wbuf;
 615
 616         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 617         wbuf->alloced = 1024;
 618         wbuf->buff[0] = '\0';
 619
 620         bi->ptr=(char *)wbuf;
 621         bi->init=1;
 622         bi->flags=0;
 623         return(1);
 624 }
 625
 626 static int ebcdic_free(BIO *a)
 627 {
 628         if (a == NULL) return(0);
 629         if (a->ptr != NULL)
 630                 OPENSSL_free(a->ptr);
 631         a->ptr=NULL;
 632         a->init=0;
 633         a->flags=0;
 634         return(1);
 635 }
 636
 637 static int ebcdic_read(BIO *b, char *out, int outl)
 638 {
 639         int ret=0;
 640
 641         if (out == NULL || outl == 0) return(0);
 642         if (b->next_bio == NULL) return(0);
 643
 644         ret=BIO_read(b->next_bio,out,outl);
 645         if (ret > 0)
 646                 ascii2ebcdic(out,out,ret);
 647         return(ret);
 648 }
 649
 650 static int ebcdic_write(BIO *b, const char *in, int inl)
 651 {
 652         EBCDIC_OUTBUFF *wbuf;
 653         int ret=0;
 654         int num;
 655         unsigned char n;
 656
 657         if ((in == NULL) || (inl <= 0)) return(0);
 658         if (b->next_bio == NULL) return(0);
 659
 660         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 661
 662         if (inl > (num = wbuf->alloced))
 663         {
 664                 num = num + num;  /* double the size */
 665                 if (num < inl)
 666                         num = inl;
 667                 OPENSSL_free(wbuf);
 668                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 669
 670                 wbuf->alloced = num;
 671                 wbuf->buff[0] = '\0';
 672
 673                 b->ptr=(char *)wbuf;
 674         }
 675
 676         ebcdic2ascii(wbuf->buff, in, inl);
 677
 678         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 679
 680         return(ret);
 681 }
 682
 683 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 684 {
 685         long ret;
 686
 687         if (b->next_bio == NULL) return(0);
 688         switch (cmd)
 689         {
 690         case BIO_CTRL_DUP:
 691                 ret=0L;
 692                 break;
 693         default:
 694                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 695                 break;
 696         }
 697         return(ret);
 698 }
 699
 700 static int ebcdic_gets(BIO *bp, char *buf, int size)
 701 {
 702         int i, ret=0;
 703         if (bp->next_bio == NULL) return(0);
 704 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 705         for (i=0; i<size-1; ++i)
 706         {
 707                 ret = ebcdic_read(bp,&buf[i],1);
 708                 if (ret <= 0)
 709                         break;
 710                 else if (buf[i] == '\n')
 711                 {
 712                         ++i;
 713                         break;
 714                 }
 715         }
 716         if (i < size)
 717                 buf[i] = '\0';
 718         return (ret < 0 && i == 0) ? ret : i;
 719 }
 720
 721 static int ebcdic_puts(BIO *bp, const char *str)
 722 {
 723         if (bp->next_bio == NULL) return(0);
 724         return ebcdic_write(bp, str, strlen(str));
 725 }
 726 #endif
 727
 728 #ifndef OPENSSL_NO_TLSEXT
 729
 730 /* This is a context that we pass to callbacks */
 731 typedef struct tlsextctx_st {
 732    char * servername;
 733    BIO * biodebug;
 734    int extension_error;
 735 } tlsextctx;
 736
 737
 738 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 739         {
 740         tlsextctx * p = (tlsextctx *) arg;
 741         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 742         if (servername && p->biodebug)
 743                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 744
 745         if (!p->servername)
 746                 return SSL_TLSEXT_ERR_NOACK;
 747
 748         if (servername)
 749                 {
 750                 if (strcasecmp(servername,p->servername))
 751                         return p->extension_error;
 752                 if (ctx2)
 753                         {
 754                         BIO_printf(p->biodebug,"Switching server context.\n");
 755                         SSL_set_SSL_CTX(s,ctx2);
 756                         }
 757                 }
 758         return SSL_TLSEXT_ERR_OK;
 759 }
 760
 761 /* Structure passed to cert status callback */
 762
 763 typedef struct tlsextstatusctx_st {
 764    /* Default responder to use */
 765    char *host, *path, *port;
 766    int use_ssl;
 767    int timeout;
 768    BIO *err;
 769    int verbose;
 770 } tlsextstatusctx;
 771
 772 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 773
 774 /* Certificate Status callback. This is called when a client includes a
 775  * certificate status request extension.
 776  *
 777  * This is a simplified version. It examines certificates each time and
 778  * makes one OCSP responder query for each request.
 779  *
 780  * A full version would store details such as the OCSP certificate IDs and
 781  * minimise the number of OCSP responses by caching them until they were
 782  * considered "expired".
 783  */
 784
 785 static int cert_status_cb(SSL *s, void *arg)
 786         {
 787         tlsextstatusctx *srctx = arg;
 788         BIO *err = srctx->err;
 789         char *host, *port, *path;
 790         int use_ssl;
 791         unsigned char *rspder = NULL;
 792         int rspderlen;
 793         STACK_OF(OPENSSL_STRING) *aia = NULL;
 794         X509 *x = NULL;
 795         X509_STORE_CTX inctx;
 796         X509_OBJECT obj;
 797         OCSP_REQUEST *req = NULL;
 798         OCSP_RESPONSE *resp = NULL;
 799         OCSP_CERTID *id = NULL;
 800         STACK_OF(X509_EXTENSION) *exts;
 801         int ret = SSL_TLSEXT_ERR_NOACK;
 802         int i;
 803 #if 0
 804 STACK_OF(OCSP_RESPID) *ids;
 805 SSL_get_tlsext_status_ids(s, &ids);
 806 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 807 #endif
 808         if (srctx->verbose)
 809                 BIO_puts(err, "cert_status: callback called\n");
 810         /* Build up OCSP query from server certificate */
 811         x = SSL_get_certificate(s);
 812         aia = X509_get1_ocsp(x);
 813         if (aia)
 814                 {
 815                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 816                         &host, &port, &path, &use_ssl))
 817                         {
 818                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 819                         goto err;
 820                         }
 821                 if (srctx->verbose)
 822                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 823                                         sk_OPENSSL_STRING_value(aia, 0));
 824                 }
 825         else
 826                 {
 827                 if (!srctx->host)
 828                         {
 829                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 830                         goto done;
 831                         }
 832                 host = srctx->host;
 833                 path = srctx->path;
 834                 port = srctx->port;
 835                 use_ssl = srctx->use_ssl;
 836                 }
 837
 838         if (!X509_STORE_CTX_init(&inctx,
 839                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 840                                 NULL, NULL))
 841                 goto err;
 842         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 843                                 X509_get_issuer_name(x),&obj) <= 0)
 844                 {
 845                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 846                 X509_STORE_CTX_cleanup(&inctx);
 847                 goto done;
 848                 }
 849         req = OCSP_REQUEST_new();
 850         if (!req)
 851                 goto err;
 852         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 853         X509_free(obj.data.x509);
 854         X509_STORE_CTX_cleanup(&inctx);
 855         if (!id)
 856                 goto err;
 857         if (!OCSP_request_add0_id(req, id))
 858                 goto err;
 859         id = NULL;
 860         /* Add any extensions to the request */
 861         SSL_get_tlsext_status_exts(s, &exts);
 862         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 863                 {
 864                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 865                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 866                         goto err;
 867                 }
 868         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 869                                         srctx->timeout);
 870         if (!resp)
 871                 {
 872                 BIO_puts(err, "cert_status: error querying responder\n");
 873                 goto done;
 874                 }
 875         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 876         if (rspderlen <= 0)
 877                 goto err;
 878         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 879         if (srctx->verbose)
 880                 {
 881                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 882                 OCSP_RESPONSE_print(err, resp, 2);
 883                 }
 884         ret = SSL_TLSEXT_ERR_OK;
 885         done:
 886         if (ret != SSL_TLSEXT_ERR_OK)
 887                 ERR_print_errors(err);
 888         if (aia)
 889                 {
 890                 OPENSSL_free(host);
 891                 OPENSSL_free(path);
 892                 OPENSSL_free(port);
 893                 X509_email_free(aia);
 894                 }
 895         if (id)
 896                 OCSP_CERTID_free(id);
 897         if (req)
 898                 OCSP_REQUEST_free(req);
 899         if (resp)
 900                 OCSP_RESPONSE_free(resp);
 901         return ret;
 902         err:
 903         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 904         goto done;
 905         }
 906
 907 # ifndef OPENSSL_NO_NEXTPROTONEG
 908 /* This is the context that we pass to next_proto_cb */
 909 typedef struct tlsextnextprotoctx_st {
 910         unsigned char *data;
 911         unsigned int len;
 912 } tlsextnextprotoctx;
 913
 914 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 915         {
 916         tlsextnextprotoctx *next_proto = arg;
 917
 918         *data = next_proto->data;
 919         *len = next_proto->len;
 920
 921         return SSL_TLSEXT_ERR_OK;
 922         }
 923 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 924
 925
 926 #endif
 927
 928 int MAIN(int, char **);
 929
 930 #ifndef OPENSSL_NO_JPAKE
 931 static char *jpake_secret = NULL;
 932 #endif
 933 #ifndef OPENSSL_NO_SRP
 934         static srpsrvparm srp_callback_parm;
 935 #endif
 936 #ifndef OPENSSL_NO_SRTP
 937 static char *srtp_profiles = NULL;
 938 #endif
 939
 940 int MAIN(int argc, char *argv[])
 941         {
 942         X509_VERIFY_PARAM *vpm = NULL;
 943         int badarg = 0;
 944         short port=PORT;
 945         char *CApath=NULL,*CAfile=NULL;
 946         unsigned char *context = NULL;
 947         char *dhfile = NULL;
 948 #ifndef OPENSSL_NO_ECDH
 949         char *named_curve = NULL;
 950 #endif
 951         int badop=0,bugs=0;
 952         int ret=1;
 953         int off=0;
 954         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 955         int state=0;
 956         const SSL_METHOD *meth=NULL;
 957         int socket_type=SOCK_STREAM;
 958         ENGINE *e=NULL;
 959         char *inrand=NULL;
 960         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 961         char *passarg = NULL, *pass = NULL;
 962         char *dpassarg = NULL, *dpass = NULL;
 963         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 964         X509 *s_cert = NULL, *s_dcert = NULL;
 965         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 966         int no_cache = 0;
 967 #ifndef OPENSSL_NO_TLSEXT
 968         EVP_PKEY *s_key2 = NULL;
 969         X509 *s_cert2 = NULL;
 970         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 971 # ifndef OPENSSL_NO_NEXTPROTONEG
 972         const char *next_proto_neg_in = NULL;
 973         tlsextnextprotoctx next_proto;
 974 # endif
 975 #endif
 976 #ifndef OPENSSL_NO_PSK
 977         /* by default do not send a PSK identity hint */
 978         static char *psk_identity_hint=NULL;
 979 #endif
 980 #ifndef OPENSSL_NO_SRP
 981         char *srpuserseed = NULL;
 982         char *srp_verifier_file = NULL;
 983 #endif
 984         meth=SSLv23_server_method();
 985
 986         local_argc=argc;
 987         local_argv=argv;
 988
 989         apps_startup();
 990 #ifdef MONOLITH
 991         s_server_init();
 992 #endif
 993
 994         if (bio_err == NULL)
 995                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 996
 997         if (!load_config(bio_err, NULL))
 998                 goto end;
 999
1000         verify_depth=0;
1001 #ifdef FIONBIO
1002         s_nbio=0;
1003 #endif
1004         s_nbio_test=0;
1005
1006         argc--;
1007         argv++;
1008
1009         while (argc >= 1)
1010                 {
1011                 if      ((strcmp(*argv,"-port") == 0) ||
1012                          (strcmp(*argv,"-accept") == 0))
1013                         {
1014                         if (--argc < 1) goto bad;
1015                         if (!extract_port(*(++argv),&port))
1016                                 goto bad;
1017                         }
1018                 else if (strcmp(*argv,"-verify") == 0)
1019                         {
1020                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1021                         if (--argc < 1) goto bad;
1022                         verify_depth=atoi(*(++argv));
1023                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1024                         }
1025                 else if (strcmp(*argv,"-Verify") == 0)
1026                         {
1027                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1028                                 SSL_VERIFY_CLIENT_ONCE;
1029                         if (--argc < 1) goto bad;
1030                         verify_depth=atoi(*(++argv));
1031                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1032                         }
1033                 else if (strcmp(*argv,"-context") == 0)
1034                         {
1035                         if (--argc < 1) goto bad;
1036                         context= (unsigned char *)*(++argv);
1037                         }
1038                 else if (strcmp(*argv,"-cert") == 0)
1039                         {
1040                         if (--argc < 1) goto bad;
1041                         s_cert_file= *(++argv);
1042                         }
1043                 else if (strcmp(*argv,"-certform") == 0)
1044                         {
1045                         if (--argc < 1) goto bad;
1046                         s_cert_format = str2fmt(*(++argv));
1047                         }
1048                 else if (strcmp(*argv,"-key") == 0)
1049                         {
1050                         if (--argc < 1) goto bad;
1051                         s_key_file= *(++argv);
1052                         }
1053                 else if (strcmp(*argv,"-keyform") == 0)
1054                         {
1055                         if (--argc < 1) goto bad;
1056                         s_key_format = str2fmt(*(++argv));
1057                         }
1058                 else if (strcmp(*argv,"-pass") == 0)
1059                         {
1060                         if (--argc < 1) goto bad;
1061                         passarg = *(++argv);
1062                         }
1063                 else if (strcmp(*argv,"-dhparam") == 0)
1064                         {
1065                         if (--argc < 1) goto bad;
1066                         dhfile = *(++argv);
1067                         }
1068 #ifndef OPENSSL_NO_ECDH
1069                 else if (strcmp(*argv,"-named_curve") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         named_curve = *(++argv);
1073                         }
1074 #endif
1075                 else if (strcmp(*argv,"-dcertform") == 0)
1076                         {
1077                         if (--argc < 1) goto bad;
1078                         s_dcert_format = str2fmt(*(++argv));
1079                         }
1080                 else if (strcmp(*argv,"-dcert") == 0)
1081                         {
1082                         if (--argc < 1) goto bad;
1083                         s_dcert_file= *(++argv);
1084                         }
1085                 else if (strcmp(*argv,"-dkeyform") == 0)
1086                         {
1087                         if (--argc < 1) goto bad;
1088                         s_dkey_format = str2fmt(*(++argv));
1089                         }
1090                 else if (strcmp(*argv,"-dpass") == 0)
1091                         {
1092                         if (--argc < 1) goto bad;
1093                         dpassarg = *(++argv);
1094                         }
1095                 else if (strcmp(*argv,"-dkey") == 0)
1096                         {
1097                         if (--argc < 1) goto bad;
1098                         s_dkey_file= *(++argv);
1099                         }
1100                 else if (strcmp(*argv,"-nocert") == 0)
1101                         {
1102                         nocert=1;
1103                         }
1104                 else if (strcmp(*argv,"-CApath") == 0)
1105                         {
1106                         if (--argc < 1) goto bad;
1107                         CApath= *(++argv);
1108                         }
1109                 else if (strcmp(*argv,"-no_cache") == 0)
1110                         no_cache = 1;
1111                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1112                         {
1113                         if (badarg)
1114                                 goto bad;
1115                         continue;
1116                         }
1117                 else if (strcmp(*argv,"-verify_return_error") == 0)
1118                         verify_return_error = 1;
1119                 else if (strcmp(*argv,"-serverpref") == 0)
1120                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1121                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1122                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1123                 else if (strcmp(*argv,"-cipher") == 0)
1124                         {
1125                         if (--argc < 1) goto bad;
1126                         cipher= *(++argv);
1127                         }
1128                 else if (strcmp(*argv,"-CAfile") == 0)
1129                         {
1130                         if (--argc < 1) goto bad;
1131                         CAfile= *(++argv);
1132                         }
1133 #ifdef FIONBIO
1134                 else if (strcmp(*argv,"-nbio") == 0)
1135                         { s_nbio=1; }
1136 #endif
1137                 else if (strcmp(*argv,"-nbio_test") == 0)
1138                         {
1139 #ifdef FIONBIO
1140                         s_nbio=1;
1141 #endif
1142                         s_nbio_test=1;
1143                         }
1144                 else if (strcmp(*argv,"-debug") == 0)
1145                         { s_debug=1; }
1146 #ifndef OPENSSL_NO_TLSEXT
1147                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1148                         s_tlsextdebug=1;
1149                 else if (strcmp(*argv,"-status") == 0)
1150                         s_tlsextstatus=1;
1151                 else if (strcmp(*argv,"-status_verbose") == 0)
1152                         {
1153                         s_tlsextstatus=1;
1154                         tlscstatp.verbose = 1;
1155                         }
1156                 else if (!strcmp(*argv, "-status_timeout"))
1157                         {
1158                         s_tlsextstatus=1;
1159                         if (--argc < 1) goto bad;
1160                         tlscstatp.timeout = atoi(*(++argv));
1161                         }
1162                 else if (!strcmp(*argv, "-status_url"))
1163                         {
1164                         s_tlsextstatus=1;
1165                         if (--argc < 1) goto bad;
1166                         if (!OCSP_parse_url(*(++argv),
1167                                         &tlscstatp.host,
1168                                         &tlscstatp.port,
1169                                         &tlscstatp.path,
1170                                         &tlscstatp.use_ssl))
1171                                 {
1172                                 BIO_printf(bio_err, "Error parsing URL\n");
1173                                 goto bad;
1174                                 }
1175                         }
1176 #endif
1177                 else if (strcmp(*argv,"-msg") == 0)
1178                         { s_msg=1; }
1179                 else if (strcmp(*argv,"-hack") == 0)
1180                         { hack=1; }
1181                 else if (strcmp(*argv,"-state") == 0)
1182                         { state=1; }
1183                 else if (strcmp(*argv,"-crlf") == 0)
1184                         { s_crlf=1; }
1185                 else if (strcmp(*argv,"-quiet") == 0)
1186                         { s_quiet=1; }
1187                 else if (strcmp(*argv,"-bugs") == 0)
1188                         { bugs=1; }
1189                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1190                         { no_tmp_rsa=1; }
1191                 else if (strcmp(*argv,"-no_dhe") == 0)
1192                         { no_dhe=1; }
1193                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1194                         { no_ecdhe=1; }
1195 #ifndef OPENSSL_NO_PSK
1196                 else if (strcmp(*argv,"-psk_hint") == 0)
1197                         {
1198                         if (--argc < 1) goto bad;
1199                         psk_identity_hint= *(++argv);
1200                         }
1201                 else if (strcmp(*argv,"-psk") == 0)
1202                         {
1203                         size_t i;
1204
1205                         if (--argc < 1) goto bad;
1206                         psk_key=*(++argv);
1207                         for (i=0; i<strlen(psk_key); i++)
1208                                 {
1209                                 if (isxdigit((unsigned char)psk_key[i]))
1210                                         continue;
1211                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1212                                 goto bad;
1213                                 }
1214                         }
1215 #endif
1216 #ifndef OPENSSL_NO_SRP
1217                 else if (strcmp(*argv, "-srpvfile") == 0)
1218                         {
1219                         if (--argc < 1) goto bad;
1220                         srp_verifier_file = *(++argv);
1221                         meth = TLSv1_server_method();
1222                         }
1223                 else if (strcmp(*argv, "-srpuserseed") == 0)
1224                         {
1225                         if (--argc < 1) goto bad;
1226                         srpuserseed = *(++argv);
1227                         meth = TLSv1_server_method();
1228                         }
1229 #endif
1230                 else if (strcmp(*argv,"-www") == 0)
1231                         { www=1; }
1232                 else if (strcmp(*argv,"-WWW") == 0)
1233                         { www=2; }
1234                 else if (strcmp(*argv,"-HTTP") == 0)
1235                         { www=3; }
1236                 else if (strcmp(*argv,"-no_ssl2") == 0)
1237                         { off|=SSL_OP_NO_SSLv2; }
1238                 else if (strcmp(*argv,"-no_ssl3") == 0)
1239                         { off|=SSL_OP_NO_SSLv3; }
1240                 else if (strcmp(*argv,"-no_tls1") == 0)
1241                         { off|=SSL_OP_NO_TLSv1; }
1242                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1243                         { off|=SSL_OP_NO_TLSv1_1; }
1244                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1245                         { off|=SSL_OP_NO_TLSv1_2; }
1246                 else if (strcmp(*argv,"-no_comp") == 0)
1247                         { off|=SSL_OP_NO_COMPRESSION; }
1248 #ifndef OPENSSL_NO_TLSEXT
1249                 else if (strcmp(*argv,"-no_ticket") == 0)
1250                         { off|=SSL_OP_NO_TICKET; }
1251 #endif
1252 #ifndef OPENSSL_NO_SSL2
1253                 else if (strcmp(*argv,"-ssl2") == 0)
1254                         { meth=SSLv2_server_method(); }
1255 #endif
1256 #ifndef OPENSSL_NO_SSL3_METHOD
1257                 else if (strcmp(*argv,"-ssl3") == 0)
1258                         { meth=SSLv3_server_method(); }
1259 #endif
1260 #ifndef OPENSSL_NO_TLS1
1261                 else if (strcmp(*argv,"-tls1") == 0)
1262                         { meth=TLSv1_server_method(); }
1263                 else if (strcmp(*argv,"-tls1_1") == 0)
1264                         { meth=TLSv1_1_server_method(); }
1265                 else if (strcmp(*argv,"-tls1_2") == 0)
1266                         { meth=TLSv1_2_server_method(); }
1267 #endif
1268 #ifndef OPENSSL_NO_DTLS1
1269                 else if (strcmp(*argv,"-dtls1") == 0)
1270                         {
1271                         meth=DTLSv1_server_method();
1272                         socket_type = SOCK_DGRAM;
1273                         }
1274                 else if (strcmp(*argv,"-timeout") == 0)
1275                         enable_timeouts = 1;
1276                 else if (strcmp(*argv,"-mtu") == 0)
1277                         {
1278                         if (--argc < 1) goto bad;
1279                         socket_mtu = atol(*(++argv));
1280                         }
1281                 else if (strcmp(*argv, "-chain") == 0)
1282                         cert_chain = 1;
1283 #endif
1284                 else if (strcmp(*argv, "-id_prefix") == 0)
1285                         {
1286                         if (--argc < 1) goto bad;
1287                         session_id_prefix = *(++argv);
1288                         }
1289 #ifndef OPENSSL_NO_ENGINE
1290                 else if (strcmp(*argv,"-engine") == 0)
1291                         {
1292                         if (--argc < 1) goto bad;
1293                         engine_id= *(++argv);
1294                         }
1295 #endif
1296                 else if (strcmp(*argv,"-rand") == 0)
1297                         {
1298                         if (--argc < 1) goto bad;
1299                         inrand= *(++argv);
1300                         }
1301 #ifndef OPENSSL_NO_TLSEXT
1302                 else if (strcmp(*argv,"-servername") == 0)
1303                         {
1304                         if (--argc < 1) goto bad;
1305                         tlsextcbp.servername= *(++argv);
1306                         }
1307                 else if (strcmp(*argv,"-servername_fatal") == 0)
1308                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1309                 else if (strcmp(*argv,"-cert2") == 0)
1310                         {
1311                         if (--argc < 1) goto bad;
1312                         s_cert_file2= *(++argv);
1313                         }
1314                 else if (strcmp(*argv,"-key2") == 0)
1315                         {
1316                         if (--argc < 1) goto bad;
1317                         s_key_file2= *(++argv);
1318                         }
1319 # ifndef OPENSSL_NO_NEXTPROTONEG
1320                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1321                         {
1322                         if (--argc < 1) goto bad;
1323                         next_proto_neg_in = *(++argv);
1324                         }
1325 # endif
1326 #endif
1327 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1328                 else if (strcmp(*argv,"-jpake") == 0)
1329                         {
1330                         if (--argc < 1) goto bad;
1331                         jpake_secret = *(++argv);
1332                         }
1333 #endif
1334 #ifndef OPENSSL_NO_SRTP
1335                 else if (strcmp(*argv,"-use_srtp") == 0)
1336                         {
1337                         if (--argc < 1) goto bad;
1338                         srtp_profiles = *(++argv);
1339                         }
1340 #endif
1341                 else if (strcmp(*argv,"-keymatexport") == 0)
1342                         {
1343                         if (--argc < 1) goto bad;
1344                         keymatexportlabel= *(++argv);
1345                         }
1346                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1347                         {
1348                         if (--argc < 1) goto bad;
1349                         keymatexportlen=atoi(*(++argv));
1350                         if (keymatexportlen == 0) goto bad;
1351                         }
1352                 else
1353                         {
1354                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1355                         badop=1;
1356                         break;
1357                         }
1358                 argc--;
1359                 argv++;
1360                 }
1361         if (badop)
1362                 {
1363 bad:
1364                 sv_usage();
1365                 goto end;
1366                 }
1367 #ifndef OPENSSL_NO_DTLS1
1368         if (www && socket_type == SOCK_DGRAM)
1369                 {
1370                 BIO_printf(bio_err,
1371                                 "Can't use -HTTP, -www or -WWW with DTLS\n");
1372                 goto end;
1373                 }
1374 #endif
1375
1376 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1377         if (jpake_secret)
1378                 {
1379                 if (psk_key)
1380                         {
1381                         BIO_printf(bio_err,
1382                                    "Can't use JPAKE and PSK together\n");
1383                         goto end;
1384                         }
1385                 psk_identity = "JPAKE";
1386                 if (cipher)
1387                         {
1388                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1389                         goto end;
1390                         }
1391                 cipher = "PSK";
1392                 }
1393
1394 #endif
1395
1396         SSL_load_error_strings();
1397         OpenSSL_add_ssl_algorithms();
1398
1399 #ifndef OPENSSL_NO_ENGINE
1400         e = setup_engine(bio_err, engine_id, 1);
1401 #endif
1402
1403         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1404                 {
1405                 BIO_printf(bio_err, "Error getting password\n");
1406                 goto end;
1407                 }
1408
1409
1410         if (s_key_file == NULL)
1411                 s_key_file = s_cert_file;
1412 #ifndef OPENSSL_NO_TLSEXT
1413         if (s_key_file2 == NULL)
1414                 s_key_file2 = s_cert_file2;
1415 #endif
1416
1417         if (nocert == 0)
1418                 {
1419                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1420                        "server certificate private key file");
1421                 if (!s_key)
1422                         {
1423                         ERR_print_errors(bio_err);
1424                         goto end;
1425                         }
1426
1427                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1428                         NULL, e, "server certificate file");
1429
1430                 if (!s_cert)
1431                         {
1432                         ERR_print_errors(bio_err);
1433                         goto end;
1434                         }
1435
1436 #ifndef OPENSSL_NO_TLSEXT
1437                 if (tlsextcbp.servername)
1438                         {
1439                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1440                                 "second server certificate private key file");
1441                         if (!s_key2)
1442                                 {
1443                                 ERR_print_errors(bio_err);
1444                                 goto end;
1445                                 }
1446
1447                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1448                                 NULL, e, "second server certificate file");
1449
1450                         if (!s_cert2)
1451                                 {
1452                                 ERR_print_errors(bio_err);
1453                                 goto end;
1454                                 }
1455                         }
1456 #endif
1457                 }
1458
1459 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1460         if (next_proto_neg_in)
1461                 {
1462                 unsigned short len;
1463                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1464                 if (next_proto.data == NULL)
1465                         goto end;
1466                 next_proto.len = len;
1467                 }
1468         else
1469                 {
1470                 next_proto.data = NULL;
1471                 }
1472 #endif
1473
1474
1475         if (s_dcert_file)
1476                 {
1477
1478                 if (s_dkey_file == NULL)
1479                         s_dkey_file = s_dcert_file;
1480
1481                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1482                                 0, dpass, e,
1483                                "second certificate private key file");
1484                 if (!s_dkey)
1485                         {
1486                         ERR_print_errors(bio_err);
1487                         goto end;
1488                         }
1489
1490                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1491                                 NULL, e, "second server certificate file");
1492
1493                 if (!s_dcert)
1494                         {
1495                         ERR_print_errors(bio_err);
1496                         goto end;
1497                         }
1498
1499                 }
1500
1501         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1502                 && !RAND_status())
1503                 {
1504                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1505                 }
1506         if (inrand != NULL)
1507                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1508                         app_RAND_load_files(inrand));
1509
1510         if (bio_s_out == NULL)
1511                 {
1512                 if (s_quiet && !s_debug && !s_msg)
1513                         {
1514                         bio_s_out=BIO_new(BIO_s_null());
1515                         }
1516                 else
1517                         {
1518                         if (bio_s_out == NULL)
1519                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1520                         }
1521                 }
1522
1523 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1524         if (nocert)
1525 #endif
1526                 {
1527                 s_cert_file=NULL;
1528                 s_key_file=NULL;
1529                 s_dcert_file=NULL;
1530                 s_dkey_file=NULL;
1531 #ifndef OPENSSL_NO_TLSEXT
1532                 s_cert_file2=NULL;
1533                 s_key_file2=NULL;
1534 #endif
1535                 }
1536
1537         ctx=SSL_CTX_new(meth);
1538         if (ctx == NULL)
1539                 {
1540                 ERR_print_errors(bio_err);
1541                 goto end;
1542                 }
1543         if (session_id_prefix)
1544                 {
1545                 if(strlen(session_id_prefix) >= 32)
1546                         BIO_printf(bio_err,
1547 "warning: id_prefix is too long, only one new session will be possible\n");
1548                 else if(strlen(session_id_prefix) >= 16)
1549                         BIO_printf(bio_err,
1550 "warning: id_prefix is too long if you use SSLv2\n");
1551                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1552                         {
1553                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1554                         ERR_print_errors(bio_err);
1555                         goto end;
1556                         }
1557                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1558                 }
1559         SSL_CTX_set_quiet_shutdown(ctx,1);
1560         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1561         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1562         SSL_CTX_set_options(ctx,off);
1563         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1564          * Setting read ahead solves this problem.
1565          */
1566         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1567
1568         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1569         if (no_cache)
1570                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1571         else
1572                 SSL_CTX_sess_set_cache_size(ctx,128);
1573
1574 #ifndef OPENSSL_NO_SRTP
1575         if (srtp_profiles != NULL)
1576                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1577 #endif
1578
1579 #if 0
1580         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1581 #endif
1582
1583 #if 0
1584         if (s_cert_file == NULL)
1585                 {
1586                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1587                 goto end;
1588                 }
1589 #endif
1590
1591         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1592                 (!SSL_CTX_set_default_verify_paths(ctx)))
1593                 {
1594                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1595                 ERR_print_errors(bio_err);
1596                 /* goto end; */
1597                 }
1598         if (vpm)
1599                 SSL_CTX_set1_param(ctx, vpm);
1600
1601 #ifndef OPENSSL_NO_TLSEXT
1602         if (s_cert2)
1603                 {
1604                 ctx2=SSL_CTX_new(meth);
1605                 if (ctx2 == NULL)
1606                         {
1607                         ERR_print_errors(bio_err);
1608                         goto end;
1609                         }
1610                 }
1611
1612         if (ctx2)
1613                 {
1614                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1615
1616                 if (session_id_prefix)
1617                         {
1618                         if(strlen(session_id_prefix) >= 32)
1619                                 BIO_printf(bio_err,
1620                                         "warning: id_prefix is too long, only one new session will be possible\n");
1621                         else if(strlen(session_id_prefix) >= 16)
1622                                 BIO_printf(bio_err,
1623                                         "warning: id_prefix is too long if you use SSLv2\n");
1624                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1625                                 {
1626                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1627                                 ERR_print_errors(bio_err);
1628                                 goto end;
1629                                 }
1630                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1631                         }
1632                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1633                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1634                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1635                 SSL_CTX_set_options(ctx2,off);
1636                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1637                  * Setting read ahead solves this problem.
1638                  */
1639                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1640
1641                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1642
1643                 if (no_cache)
1644                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1645                 else
1646                         SSL_CTX_sess_set_cache_size(ctx2,128);
1647
1648                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1649                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1650                         {
1651                         ERR_print_errors(bio_err);
1652                         }
1653                 if (vpm)
1654                         SSL_CTX_set1_param(ctx2, vpm);
1655                 }
1656
1657 # ifndef OPENSSL_NO_NEXTPROTONEG
1658         if (next_proto.data)
1659                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1660 # endif
1661 #endif
1662
1663 #ifndef OPENSSL_NO_DH
1664         if (!no_dhe)
1665                 {
1666                 DH *dh=NULL;
1667
1668                 if (dhfile)
1669                         dh = load_dh_param(dhfile);
1670                 else if (s_cert_file)
1671                         dh = load_dh_param(s_cert_file);
1672
1673                 if (dh != NULL)
1674                         {
1675                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1676                         }
1677                 else
1678                         {
1679                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1680                         dh=get_dh512();
1681                         }
1682                 (void)BIO_flush(bio_s_out);
1683
1684                 SSL_CTX_set_tmp_dh(ctx,dh);
1685 #ifndef OPENSSL_NO_TLSEXT
1686                 if (ctx2)
1687                         {
1688                         if (!dhfile)
1689                                 {
1690                                 DH *dh2=load_dh_param(s_cert_file2);
1691                                 if (dh2 != NULL)
1692                                         {
1693                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1694                                         (void)BIO_flush(bio_s_out);
1695
1696                                         DH_free(dh);
1697                                         dh = dh2;
1698                                         }
1699                                 }
1700                         SSL_CTX_set_tmp_dh(ctx2,dh);
1701                         }
1702 #endif
1703                 DH_free(dh);
1704                 }
1705 #endif
1706
1707 #ifndef OPENSSL_NO_ECDH
1708         if (!no_ecdhe)
1709                 {
1710                 EC_KEY *ecdh=NULL;
1711
1712                 if (named_curve)
1713                         {
1714                         int nid = OBJ_sn2nid(named_curve);
1715
1716                         if (nid == 0)
1717                                 {
1718                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1719                                         named_curve);
1720                                 goto end;
1721                                 }
1722                         ecdh = EC_KEY_new_by_curve_name(nid);
1723                         if (ecdh == NULL)
1724                                 {
1725                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1726                                         named_curve);
1727                                 goto end;
1728                                 }
1729                         }
1730
1731                 if (ecdh != NULL)
1732                         {
1733                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1734                         }
1735                 else
1736                         {
1737                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1738                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1739                         if (ecdh == NULL)
1740                                 {
1741                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1742                                 goto end;
1743                                 }
1744                         }
1745                 (void)BIO_flush(bio_s_out);
1746
1747                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1748 #ifndef OPENSSL_NO_TLSEXT
1749                 if (ctx2)
1750                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1751 #endif
1752                 EC_KEY_free(ecdh);
1753                 }
1754 #endif
1755
1756         if (!set_cert_key_stuff(ctx, s_cert, s_key))
1757                 goto end;
1758 #ifndef OPENSSL_NO_TLSEXT
1759         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1760                 goto end;
1761 #endif
1762         if (s_dcert != NULL)
1763                 {
1764                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1765                         goto end;
1766                 }
1767
1768 #ifndef OPENSSL_NO_RSA
1769 #if 1
1770         if (!no_tmp_rsa)
1771                 {
1772                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1773 #ifndef OPENSSL_NO_TLSEXT
1774                 if (ctx2)
1775                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1776 #endif
1777                 }
1778 #else
1779         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1780                 {
1781                 RSA *rsa;
1782
1783                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1784                 BIO_flush(bio_s_out);
1785
1786                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1787
1788                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1789                         {
1790                         ERR_print_errors(bio_err);
1791                         goto end;
1792                         }
1793 #ifndef OPENSSL_NO_TLSEXT
1794                         if (ctx2)
1795                                 {
1796                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1797                                         {
1798                                         ERR_print_errors(bio_err);
1799                                         goto end;
1800                                         }
1801                                 }
1802 #endif
1803                 RSA_free(rsa);
1804                 BIO_printf(bio_s_out,"\n");
1805                 }
1806 #endif
1807 #endif
1808
1809 #ifndef OPENSSL_NO_PSK
1810 #ifdef OPENSSL_NO_JPAKE
1811         if (psk_key != NULL)
1812 #else
1813         if (psk_key != NULL || jpake_secret)
1814 #endif
1815                 {
1816                 if (s_debug)
1817                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1818                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1819                 }
1820
1821         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1822                 {
1823                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1824                 ERR_print_errors(bio_err);
1825                 goto end;
1826                 }
1827 #endif
1828
1829         if (cipher != NULL)
1830                 {
1831                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1832                         {
1833                         BIO_printf(bio_err,"error setting cipher list\n");
1834                         ERR_print_errors(bio_err);
1835                         goto end;
1836                         }
1837 #ifndef OPENSSL_NO_TLSEXT
1838                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1839                         {
1840                         BIO_printf(bio_err,"error setting cipher list\n");
1841                         ERR_print_errors(bio_err);
1842                         goto end;
1843                         }
1844 #endif
1845                 }
1846         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1847         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1848                 sizeof s_server_session_id_context);
1849
1850         /* Set DTLS cookie generation and verification callbacks */
1851         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1852         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1853
1854 #ifndef OPENSSL_NO_TLSEXT
1855         if (ctx2)
1856                 {
1857                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1858                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1859                         sizeof s_server_session_id_context);
1860
1861                 tlsextcbp.biodebug = bio_s_out;
1862                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1863                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1864                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1865                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1866                 }
1867 #endif
1868
1869 #ifndef OPENSSL_NO_SRP
1870         if (srp_verifier_file != NULL)
1871                 {
1872                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1873                 srp_callback_parm.user = NULL;
1874                 srp_callback_parm.login = NULL;
1875                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1876                         {
1877                         BIO_printf(bio_err,
1878                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1879                                    srp_verifier_file, ret);
1880                                 goto end;
1881                         }
1882                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1883                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1884                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1885                 }
1886         else
1887 #endif
1888         if (CAfile != NULL)
1889                 {
1890                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1891 #ifndef OPENSSL_NO_TLSEXT
1892                 if (ctx2)
1893                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1894 #endif
1895                 }
1896
1897         BIO_printf(bio_s_out,"ACCEPT\n");
1898         (void)BIO_flush(bio_s_out);
1899         if (www)
1900                 do_server(port,socket_type,&accept_socket,www_body, context);
1901         else
1902                 do_server(port,socket_type,&accept_socket,sv_body, context);
1903         print_stats(bio_s_out,ctx);
1904         ret=0;
1905 end:
1906         if (ctx != NULL) SSL_CTX_free(ctx);
1907         if (s_cert)
1908                 X509_free(s_cert);
1909         if (s_dcert)
1910                 X509_free(s_dcert);
1911         if (s_key)
1912                 EVP_PKEY_free(s_key);
1913         if (s_dkey)
1914                 EVP_PKEY_free(s_dkey);
1915         if (pass)
1916                 OPENSSL_free(pass);
1917         if (dpass)
1918                 OPENSSL_free(dpass);
1919         if (vpm)
1920                 X509_VERIFY_PARAM_free(vpm);
1921 #ifndef OPENSSL_NO_TLSEXT
1922         if (tlscstatp.host)
1923                 OPENSSL_free(tlscstatp.host);
1924         if (tlscstatp.port)
1925                 OPENSSL_free(tlscstatp.port);
1926         if (tlscstatp.path)
1927                 OPENSSL_free(tlscstatp.path);
1928         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1929         if (s_cert2)
1930                 X509_free(s_cert2);
1931         if (s_key2)
1932                 EVP_PKEY_free(s_key2);
1933 #endif
1934         if (bio_s_out != NULL)
1935                 {
1936         BIO_free(bio_s_out);
1937                 bio_s_out=NULL;
1938                 }
1939         apps_shutdown();
1940         OPENSSL_EXIT(ret);
1941         }
1942
1943 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1944         {
1945         BIO_printf(bio,"%4ld items in the session cache\n",
1946                 SSL_CTX_sess_number(ssl_ctx));
1947         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1948                 SSL_CTX_sess_connect(ssl_ctx));
1949         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1950                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1951         BIO_printf(bio,"%4ld client connects that finished\n",
1952                 SSL_CTX_sess_connect_good(ssl_ctx));
1953         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1954                 SSL_CTX_sess_accept(ssl_ctx));
1955         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1956                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1957         BIO_printf(bio,"%4ld server accepts that finished\n",
1958                 SSL_CTX_sess_accept_good(ssl_ctx));
1959         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1960         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1961         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1962         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1963         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1964                 SSL_CTX_sess_cache_full(ssl_ctx),
1965                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1966         }
1967
1968 static int sv_body(char *hostname, int s, unsigned char *context)
1969         {
1970         char *buf=NULL;
1971         fd_set readfds;
1972         int ret=1,width;
1973         int k,i;
1974         unsigned long l;
1975         SSL *con=NULL;
1976         BIO *sbio;
1977 #ifndef OPENSSL_NO_KRB5
1978         KSSL_CTX *kctx;
1979 #endif
1980         struct timeval timeout;
1981 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1982         struct timeval tv;
1983 #else
1984         struct timeval *timeoutp;
1985 #endif
1986
1987         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1988                 {
1989                 BIO_printf(bio_err,"out of memory\n");
1990                 goto err;
1991                 }
1992 #ifdef FIONBIO
1993         if (s_nbio)
1994                 {
1995                 unsigned long sl=1;
1996
1997                 if (!s_quiet)
1998                         BIO_printf(bio_err,"turning on non blocking io\n");
1999                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2000                         ERR_print_errors(bio_err);
2001                 }
2002 #endif
2003
2004         if (con == NULL) {
2005                 con=SSL_new(ctx);
2006 #ifndef OPENSSL_NO_TLSEXT
2007         if (s_tlsextdebug)
2008                 {
2009                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2010                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2011                 }
2012         if (s_tlsextstatus)
2013                 {
2014                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2015                 tlscstatp.err = bio_err;
2016                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2017                 }
2018 #endif
2019 #ifndef OPENSSL_NO_KRB5
2020                 if ((kctx = kssl_ctx_new()) != NULL)
2021                         {
2022                         SSL_set0_kssl_ctx(con, kctx);
2023                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2024                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2025                         }
2026 #endif  /* OPENSSL_NO_KRB5 */
2027                 if(context)
2028                       SSL_set_session_id_context(con, context,
2029                                                  strlen((char *)context));
2030         }
2031         SSL_clear(con);
2032 #if 0
2033 #ifdef TLSEXT_TYPE_opaque_prf_input
2034         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2035 #endif
2036 #endif
2037
2038         if (SSL_version(con) == DTLS1_VERSION)
2039                 {
2040
2041                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2042
2043                 if (enable_timeouts)
2044                         {
2045                         timeout.tv_sec = 0;
2046                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2047                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2048
2049                         timeout.tv_sec = 0;
2050                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2051                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2052                         }
2053
2054                 if (socket_mtu > 28)
2055                         {
2056                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2057                         SSL_set_mtu(con, socket_mtu - 28);
2058                         }
2059                 else
2060                         /* want to do MTU discovery */
2061                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2062
2063         /* turn on cookie exchange */
2064         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2065                 }
2066         else
2067                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2068
2069         if (s_nbio_test)
2070                 {
2071                 BIO *test;
2072
2073                 test=BIO_new(BIO_f_nbio_test());
2074                 sbio=BIO_push(test,sbio);
2075                 }
2076 #ifndef OPENSSL_NO_JPAKE
2077         if(jpake_secret)
2078                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2079 #endif
2080
2081         SSL_set_bio(con,sbio,sbio);
2082         SSL_set_accept_state(con);
2083         /* SSL_set_fd(con,s); */
2084
2085         if (s_debug)
2086                 {
2087                 SSL_set_debug(con, 1);
2088                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2089                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2090                 }
2091         if (s_msg)
2092                 {
2093                 SSL_set_msg_callback(con, msg_cb);
2094                 SSL_set_msg_callback_arg(con, bio_s_out);
2095                 }
2096 #ifndef OPENSSL_NO_TLSEXT
2097         if (s_tlsextdebug)
2098                 {
2099                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2100                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2101                 }
2102 #endif
2103
2104         width=s+1;
2105         for (;;)
2106                 {
2107                 int read_from_terminal;
2108                 int read_from_sslcon;
2109
2110                 read_from_terminal = 0;
2111                 read_from_sslcon = SSL_pending(con);
2112
2113                 if (!read_from_sslcon)
2114                         {
2115                         FD_ZERO(&readfds);
2116 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2117                         openssl_fdset(fileno(stdin),&readfds);
2118 #endif
2119                         openssl_fdset(s,&readfds);
2120                         /* Note: under VMS with SOCKETSHR the second parameter is
2121                          * currently of type (int *) whereas under other systems
2122                          * it is (void *) if you don't have a cast it will choke
2123                          * the compiler: if you do have a cast then you can either
2124                          * go for (int *) or (void *).
2125                          */
2126 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2127                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2128                          * on sockets. As a workaround we timeout the select every
2129                          * second and check for any keypress. In a proper Windows
2130                          * application we wouldn't do this because it is inefficient.
2131                          */
2132                         tv.tv_sec = 1;
2133                         tv.tv_usec = 0;
2134                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2135                         if((i < 0) || (!i && !_kbhit() ) )continue;
2136                         if(_kbhit())
2137                                 read_from_terminal = 1;
2138 #elif defined(OPENSSL_SYS_BEOS_R5)
2139                         /* Under BeOS-R5 the situation is similar to DOS */
2140                         tv.tv_sec = 1;
2141                         tv.tv_usec = 0;
2142                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2143                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2144                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2145                                 continue;
2146                         if (read(fileno(stdin), buf, 0) >= 0)
2147                                 read_from_terminal = 1;
2148                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2149 #else
2150                         if ((SSL_version(con) == DTLS1_VERSION) &&
2151                                 DTLSv1_get_timeout(con, &timeout))
2152                                 timeoutp = &timeout;
2153                         else
2154                                 timeoutp = NULL;
2155
2156                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2157
2158                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2159                                 {
2160                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2161                                 }
2162
2163                         if (i <= 0) continue;
2164                         if (FD_ISSET(fileno(stdin),&readfds))
2165                                 read_from_terminal = 1;
2166 #endif
2167                         if (FD_ISSET(s,&readfds))
2168                                 read_from_sslcon = 1;
2169                         }
2170                 if (read_from_terminal)
2171                         {
2172                         if (s_crlf)
2173                                 {
2174                                 int j, lf_num;
2175
2176                                 i=raw_read_stdin(buf, bufsize/2);
2177                                 lf_num = 0;
2178                                 /* both loops are skipped when i <= 0 */
2179                                 for (j = 0; j < i; j++)
2180                                         if (buf[j] == '\n')
2181                                                 lf_num++;
2182                                 for (j = i-1; j >= 0; j--)
2183                                         {
2184                                         buf[j+lf_num] = buf[j];
2185                                         if (buf[j] == '\n')
2186                                                 {
2187                                                 lf_num--;
2188                                                 i++;
2189                                                 buf[j+lf_num] = '\r';
2190                                                 }
2191                                         }
2192                                 assert(lf_num == 0);
2193                                 }
2194                         else
2195                                 i=raw_read_stdin(buf,bufsize);
2196                         if (!s_quiet)
2197                                 {
2198                                 if ((i <= 0) || (buf[0] == 'Q'))
2199                                         {
2200                                         BIO_printf(bio_s_out,"DONE\n");
2201                                         SHUTDOWN(s);
2202                                         close_accept_socket();
2203                                         ret= -11;
2204                                         goto err;
2205                                         }
2206                                 if ((i <= 0) || (buf[0] == 'q'))
2207                                         {
2208                                         BIO_printf(bio_s_out,"DONE\n");
2209                                         if (SSL_version(con) != DTLS1_VERSION)
2210                         SHUTDOWN(s);
2211         /*                              close_accept_socket();
2212                                         ret= -11;*/
2213                                         goto err;
2214                                         }
2215
2216 #ifndef OPENSSL_NO_HEARTBEATS
2217                                 if ((buf[0] == 'B') &&
2218                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2219                                         {
2220                                         BIO_printf(bio_err,"HEARTBEATING\n");
2221                                         SSL_heartbeat(con);
2222                                         i=0;
2223                                         continue;
2224                                         }
2225 #endif
2226                                 if ((buf[0] == 'r') &&
2227                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2228                                         {
2229                                         SSL_renegotiate(con);
2230                                         i=SSL_do_handshake(con);
2231                                         printf("SSL_do_handshake -> %d\n",i);
2232                                         i=0; /*13; */
2233                                         continue;
2234                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2235                                         }
2236                                 if ((buf[0] == 'R') &&
2237                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2238                                         {
2239                                         SSL_set_verify(con,
2240                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2241                                         SSL_renegotiate(con);
2242                                         i=SSL_do_handshake(con);
2243                                         printf("SSL_do_handshake -> %d\n",i);
2244                                         i=0; /* 13; */
2245                                         continue;
2246                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2247                                         }
2248                                 if (buf[0] == 'P')
2249                                         {
2250                                         static const char *str="Lets print some clear text\n";
2251                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2252                                         }
2253                                 if (buf[0] == 'S')
2254                                         {
2255                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2256                                         }
2257                                 }
2258 #ifdef CHARSET_EBCDIC
2259                         ebcdic2ascii(buf,buf,i);
2260 #endif
2261                         l=k=0;
2262                         for (;;)
2263                                 {
2264                                 /* should do a select for the write */
2265 #ifdef RENEG
2266 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2267 #endif
2268                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2269 #ifndef OPENSSL_NO_SRP
2270                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2271                                         {
2272                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2273                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2274                                         if (srp_callback_parm.user)
2275                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2276                                         else
2277                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2278                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2279                                         }
2280 #endif
2281                                 switch (SSL_get_error(con,k))
2282                                         {
2283                                 case SSL_ERROR_NONE:
2284                                         break;
2285                                 case SSL_ERROR_WANT_WRITE:
2286                                 case SSL_ERROR_WANT_READ:
2287                                 case SSL_ERROR_WANT_X509_LOOKUP:
2288                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2289                                         break;
2290                                 case SSL_ERROR_SYSCALL:
2291                                 case SSL_ERROR_SSL:
2292                                         BIO_printf(bio_s_out,"ERROR\n");
2293                                         ERR_print_errors(bio_err);
2294                                         ret=1;
2295                                         goto err;
2296                                         /* break; */
2297                                 case SSL_ERROR_ZERO_RETURN:
2298                                         BIO_printf(bio_s_out,"DONE\n");
2299                                         ret=1;
2300                                         goto err;
2301                                         }
2302                                 l+=k;
2303                                 i-=k;
2304                                 if (i <= 0) break;
2305                                 }
2306                         }
2307                 if (read_from_sslcon)
2308                         {
2309                         if (!SSL_is_init_finished(con))
2310                                 {
2311                                 i=init_ssl_connection(con);
2312
2313                                 if (i < 0)
2314                                         {
2315                                         ret=0;
2316                                         goto err;
2317                                         }
2318                                 else if (i == 0)
2319                                         {
2320                                         ret=1;
2321                                         goto err;
2322                                         }
2323                                 }
2324                         else
2325                                 {
2326 again:
2327                                 i=SSL_read(con,(char *)buf,bufsize);
2328 #ifndef OPENSSL_NO_SRP
2329                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2330                                         {
2331                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2332                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2333                                         if (srp_callback_parm.user)
2334                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2335                                         else
2336                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2337                                         i=SSL_read(con,(char *)buf,bufsize);
2338                                         }
2339 #endif
2340                                 switch (SSL_get_error(con,i))
2341                                         {
2342                                 case SSL_ERROR_NONE:
2343 #ifdef CHARSET_EBCDIC
2344                                         ascii2ebcdic(buf,buf,i);
2345 #endif
2346                                         raw_write_stdout(buf,
2347                                                 (unsigned int)i);
2348                                         if (SSL_pending(con)) goto again;
2349                                         break;
2350                                 case SSL_ERROR_WANT_WRITE:
2351                                 case SSL_ERROR_WANT_READ:
2352                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2353                                         break;
2354                                 case SSL_ERROR_SYSCALL:
2355                                 case SSL_ERROR_SSL:
2356                                         BIO_printf(bio_s_out,"ERROR\n");
2357                                         ERR_print_errors(bio_err);
2358                                         ret=1;
2359                                         goto err;
2360                                 case SSL_ERROR_ZERO_RETURN:
2361                                         BIO_printf(bio_s_out,"DONE\n");
2362                                         ret=1;
2363                                         goto err;
2364                                         }
2365                                 }
2366                         }
2367                 }
2368 err:
2369         if (con != NULL)
2370                 {
2371                 BIO_printf(bio_s_out,"shutting down SSL\n");
2372 #if 1
2373                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2374 #else
2375                 SSL_shutdown(con);
2376 #endif
2377                 SSL_free(con);
2378                 }
2379         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2380         if (buf != NULL)
2381                 {
2382                 OPENSSL_cleanse(buf,bufsize);
2383                 OPENSSL_free(buf);
2384                 }
2385         if (ret >= 0)
2386                 BIO_printf(bio_s_out,"ACCEPT\n");
2387         return(ret);
2388         }
2389
2390 static void close_accept_socket(void)
2391         {
2392         BIO_printf(bio_err,"shutdown accept socket\n");
2393         if (accept_socket >= 0)
2394                 {
2395                 SHUTDOWN2(accept_socket);
2396                 }
2397         }
2398
2399 static int init_ssl_connection(SSL *con)
2400         {
2401         int i;
2402         const char *str;
2403         X509 *peer;
2404         long verify_error;
2405         MS_STATIC char buf[BUFSIZ];
2406 #ifndef OPENSSL_NO_KRB5
2407         char *client_princ;
2408 #endif
2409 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2410         const unsigned char *next_proto_neg;
2411         unsigned next_proto_neg_len;
2412 #endif
2413         unsigned char *exportedkeymat;
2414
2415
2416         i=SSL_accept(con);
2417 #ifndef OPENSSL_NO_SRP
2418         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2419                 {
2420                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2421                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2422                         if (srp_callback_parm.user)
2423                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2424                         else
2425                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2426                         i=SSL_accept(con);
2427                 }
2428 #endif
2429         if (i <= 0)
2430                 {
2431                 if (BIO_sock_should_retry(i))
2432                         {
2433                         BIO_printf(bio_s_out,"DELAY\n");
2434                         return(1);
2435                         }
2436
2437                 BIO_printf(bio_err,"ERROR\n");
2438                 verify_error=SSL_get_verify_result(con);
2439                 if (verify_error != X509_V_OK)
2440                         {
2441                         BIO_printf(bio_err,"verify error:%s\n",
2442                                 X509_verify_cert_error_string(verify_error));
2443                         }
2444                 else
2445                         ERR_print_errors(bio_err);
2446                 return(0);
2447                 }
2448
2449         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2450
2451         peer=SSL_get_peer_certificate(con);
2452         if (peer != NULL)
2453                 {
2454                 BIO_printf(bio_s_out,"Client certificate\n");
2455                 PEM_write_bio_X509(bio_s_out,peer);
2456                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2457                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2458                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2459                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2460                 X509_free(peer);
2461                 }
2462
2463         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2464                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2465         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2466         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2467
2468 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2469         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2470         if (next_proto_neg)
2471                 {
2472                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2473                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2474                 BIO_printf(bio_s_out, "\n");
2475                 }
2476 #endif
2477 #ifndef OPENSSL_NO_SRTP
2478         {
2479         SRTP_PROTECTION_PROFILE *srtp_profile
2480           = SSL_get_selected_srtp_profile(con);
2481
2482         if(srtp_profile)
2483                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2484                            srtp_profile->name);
2485         }
2486 #endif
2487         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2488         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2489                 TLS1_FLAGS_TLS_PADDING_BUG)
2490                 BIO_printf(bio_s_out,
2491                            "Peer has incorrect TLSv1 block padding\n");
2492 #ifndef OPENSSL_NO_KRB5
2493         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2494         if (client_princ != NULL)
2495                 {
2496                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2497                                                                 client_princ);
2498                 }
2499 #endif /* OPENSSL_NO_KRB5 */
2500         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2501                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2502         if (keymatexportlabel != NULL)
2503                 {
2504                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2505                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2506                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2507                            keymatexportlen);
2508                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2509                 if (exportedkeymat != NULL)
2510                         {
2511                         if (!SSL_export_keying_material(con, exportedkeymat,
2512                                                         keymatexportlen,
2513                                                         keymatexportlabel,
2514                                                         strlen(keymatexportlabel),
2515                                                         NULL, 0, 0))
2516                                 {
2517                                 BIO_printf(bio_s_out, "    Error\n");
2518                                 }
2519                         else
2520                                 {
2521                                 BIO_printf(bio_s_out, "    Keying material: ");
2522                                 for (i=0; i<keymatexportlen; i++)
2523                                         BIO_printf(bio_s_out, "%02X",
2524                                                    exportedkeymat[i]);
2525                                 BIO_printf(bio_s_out, "\n");
2526                                 }
2527                         OPENSSL_free(exportedkeymat);
2528                         }
2529                 }
2530
2531         return(1);
2532         }
2533
2534 #ifndef OPENSSL_NO_DH
2535 static DH *load_dh_param(const char *dhfile)
2536         {
2537         DH *ret=NULL;
2538         BIO *bio;
2539
2540         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2541                 goto err;
2542         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2543 err:
2544         if (bio != NULL) BIO_free(bio);
2545         return(ret);
2546         }
2547 #endif
2548 #ifndef OPENSSL_NO_KRB5
2549         char *client_princ;
2550 #endif
2551
2552 #if 0
2553 static int load_CA(SSL_CTX *ctx, char *file)
2554         {
2555         FILE *in;
2556         X509 *x=NULL;
2557
2558         if ((in=fopen(file,"r")) == NULL)
2559                 return(0);
2560
2561         for (;;)
2562                 {
2563                 if (PEM_read_X509(in,&x,NULL) == NULL)
2564                         break;
2565                 SSL_CTX_add_client_CA(ctx,x);
2566                 }
2567         if (x != NULL) X509_free(x);
2568         fclose(in);
2569         return(1);
2570         }
2571 #endif
2572
2573 static int www_body(char *hostname, int s, unsigned char *context)
2574         {
2575         char *buf=NULL;
2576         int ret=1;
2577         int i,j,k,dot;
2578         SSL *con;
2579         const SSL_CIPHER *c;
2580         BIO *io,*ssl_bio,*sbio;
2581 #ifndef OPENSSL_NO_KRB5
2582         KSSL_CTX *kctx;
2583 #endif
2584
2585         buf=OPENSSL_malloc(bufsize);
2586         if (buf == NULL) return(0);
2587         io=BIO_new(BIO_f_buffer());
2588         ssl_bio=BIO_new(BIO_f_ssl());
2589         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2590
2591 #ifdef FIONBIO
2592         if (s_nbio)
2593                 {
2594                 unsigned long sl=1;
2595
2596                 if (!s_quiet)
2597                         BIO_printf(bio_err,"turning on non blocking io\n");
2598                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2599                         ERR_print_errors(bio_err);
2600                 }
2601 #endif
2602
2603         /* lets make the output buffer a reasonable size */
2604         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2605
2606         if ((con=SSL_new(ctx)) == NULL) goto err;
2607 #ifndef OPENSSL_NO_TLSEXT
2608                 if (s_tlsextdebug)
2609                         {
2610                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2611                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2612                         }
2613 #endif
2614 #ifndef OPENSSL_NO_KRB5
2615         if ((kctx = kssl_ctx_new()) != NULL)
2616                 {
2617                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2618                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2619                 }
2620 #endif  /* OPENSSL_NO_KRB5 */
2621         if(context) SSL_set_session_id_context(con, context,
2622                                                strlen((char *)context));
2623
2624         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2625         if (s_nbio_test)
2626                 {
2627                 BIO *test;
2628
2629                 test=BIO_new(BIO_f_nbio_test());
2630                 sbio=BIO_push(test,sbio);
2631                 }
2632         SSL_set_bio(con,sbio,sbio);
2633         SSL_set_accept_state(con);
2634
2635         /* SSL_set_fd(con,s); */
2636         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2637         BIO_push(io,ssl_bio);
2638 #ifdef CHARSET_EBCDIC
2639         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2640 #endif
2641
2642         if (s_debug)
2643                 {
2644                 SSL_set_debug(con, 1);
2645                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2646                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2647                 }
2648         if (s_msg)
2649                 {
2650                 SSL_set_msg_callback(con, msg_cb);
2651                 SSL_set_msg_callback_arg(con, bio_s_out);
2652                 }
2653
2654         for (;;)
2655                 {
2656                 if (hack)
2657                         {
2658                         i=SSL_accept(con);
2659 #ifndef OPENSSL_NO_SRP
2660                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2661                 {
2662                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2663                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2664                         if (srp_callback_parm.user)
2665                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2666                         else
2667                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2668                         i=SSL_accept(con);
2669                 }
2670 #endif
2671                         switch (SSL_get_error(con,i))
2672                                 {
2673                         case SSL_ERROR_NONE:
2674                                 break;
2675                         case SSL_ERROR_WANT_WRITE:
2676                         case SSL_ERROR_WANT_READ:
2677                         case SSL_ERROR_WANT_X509_LOOKUP:
2678                                 continue;
2679                         case SSL_ERROR_SYSCALL:
2680                         case SSL_ERROR_SSL:
2681                         case SSL_ERROR_ZERO_RETURN:
2682                                 ret=1;
2683                                 goto err;
2684                                 /* break; */
2685                                 }
2686
2687                         SSL_renegotiate(con);
2688                         SSL_write(con,NULL,0);
2689                         }
2690
2691                 i=BIO_gets(io,buf,bufsize-1);
2692                 if (i < 0) /* error */
2693                         {
2694                         if (!BIO_should_retry(io))
2695                                 {
2696                                 if (!s_quiet)
2697                                         ERR_print_errors(bio_err);
2698                                 goto err;
2699                                 }
2700                         else
2701                                 {
2702                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2703 #if defined(OPENSSL_SYS_NETWARE)
2704             delay(1000);
2705 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2706                                 sleep(1);
2707 #endif
2708                                 continue;
2709                                 }
2710                         }
2711                 else if (i == 0) /* end of input */
2712                         {
2713                         ret=1;
2714                         goto end;
2715                         }
2716
2717                 /* else we have data */
2718                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2719                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2720                         {
2721                         char *p;
2722                         X509 *peer;
2723                         STACK_OF(SSL_CIPHER) *sk;
2724                         static const char *space="                          ";
2725
2726                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2727                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2728                         BIO_puts(io,"<pre>\n");
2729 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2730                         BIO_puts(io,"\n");
2731                         for (i=0; i<local_argc; i++)
2732                                 {
2733                                 BIO_puts(io,local_argv[i]);
2734                                 BIO_write(io," ",1);
2735                                 }
2736                         BIO_puts(io,"\n");
2737
2738                         BIO_printf(io,
2739                                 "Secure Renegotiation IS%s supported\n",
2740                                 SSL_get_secure_renegotiation_support(con) ?
2741                                                         "" : " NOT");
2742
2743                         /* The following is evil and should not really
2744                          * be done */
2745                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2746                         sk=SSL_get_ciphers(con);
2747                         j=sk_SSL_CIPHER_num(sk);
2748                         for (i=0; i<j; i++)
2749                                 {
2750                                 c=sk_SSL_CIPHER_value(sk,i);
2751                                 BIO_printf(io,"%-11s:%-25s",
2752                                         SSL_CIPHER_get_version(c),
2753                                         SSL_CIPHER_get_name(c));
2754                                 if ((((i+1)%2) == 0) && (i+1 != j))
2755                                         BIO_puts(io,"\n");
2756                                 }
2757                         BIO_puts(io,"\n");
2758                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2759                         if (p != NULL)
2760                                 {
2761                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2762                                 j=i=0;
2763                                 while (*p)
2764                                         {
2765                                         if (*p == ':')
2766                                                 {
2767                                                 BIO_write(io,space,26-j);
2768                                                 i++;
2769                                                 j=0;
2770                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2771                                                 }
2772                                         else
2773                                                 {
2774                                                 BIO_write(io,p,1);
2775                                                 j++;
2776                                                 }
2777                                         p++;
2778                                         }
2779                                 BIO_puts(io,"\n");
2780                                 }
2781                         BIO_printf(io,(SSL_cache_hit(con)
2782                                 ?"---\nReused, "
2783                                 :"---\nNew, "));
2784                         c=SSL_get_current_cipher(con);
2785                         BIO_printf(io,"%s, Cipher is %s\n",
2786                                 SSL_CIPHER_get_version(c),
2787                                 SSL_CIPHER_get_name(c));
2788                         SSL_SESSION_print(io,SSL_get_session(con));
2789                         BIO_printf(io,"---\n");
2790                         print_stats(io,SSL_get_SSL_CTX(con));
2791                         BIO_printf(io,"---\n");
2792                         peer=SSL_get_peer_certificate(con);
2793                         if (peer != NULL)
2794                                 {
2795                                 BIO_printf(io,"Client certificate\n");
2796                                 X509_print(io,peer);
2797                                 PEM_write_bio_X509(io,peer);
2798                                 }
2799                         else
2800                                 BIO_puts(io,"no client certificate available\n");
2801                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2802                         break;
2803                         }
2804                 else if ((www == 2 || www == 3)
2805                          && (strncmp("GET /",buf,5) == 0))
2806                         {
2807                         BIO *file;
2808                         char *p,*e;
2809                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2810
2811                         /* skip the '/' */
2812                         p= &(buf[5]);
2813
2814                         dot = 1;
2815                         for (e=p; *e != '\0'; e++)
2816                                 {
2817                                 if (e[0] == ' ')
2818                                         break;
2819
2820                                 switch (dot)
2821                                         {
2822                                 case 1:
2823                                         dot = (e[0] == '.') ? 2 : 0;
2824                                         break;
2825                                 case 2:
2826                                         dot = (e[0] == '.') ? 3 : 0;
2827                                         break;
2828                                 case 3:
2829                                         dot = (e[0] == '/') ? -1 : 0;
2830                                         break;
2831                                         }
2832                                 if (dot == 0)
2833                                         dot = (e[0] == '/') ? 1 : 0;
2834                                 }
2835                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2836
2837                         if (*e == '\0')
2838                                 {
2839                                 BIO_puts(io,text);
2840                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2841                                 break;
2842                                 }
2843                         *e='\0';
2844
2845                         if (dot)
2846                                 {
2847                                 BIO_puts(io,text);
2848                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2849                                 break;
2850                                 }
2851
2852                         if (*p == '/')
2853                                 {
2854                                 BIO_puts(io,text);
2855                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2856                                 break;
2857                                 }
2858
2859 #if 0
2860                         /* append if a directory lookup */
2861                         if (e[-1] == '/')
2862                                 strcat(p,"index.html");
2863 #endif
2864
2865                         /* if a directory, do the index thang */
2866                         if (app_isdir(p)>0)
2867                                 {
2868 #if 0 /* must check buffer size */
2869                                 strcat(p,"/index.html");
2870 #else
2871                                 BIO_puts(io,text);
2872                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2873                                 break;
2874 #endif
2875                                 }
2876
2877                         if ((file=BIO_new_file(p,"r")) == NULL)
2878                                 {
2879                                 BIO_puts(io,text);
2880                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2881                                 ERR_print_errors(io);
2882                                 break;
2883                                 }
2884
2885                         if (!s_quiet)
2886                                 BIO_printf(bio_err,"FILE:%s\n",p);
2887
2888                         if (www == 2)
2889                                 {
2890                                 i=strlen(p);
2891                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2892                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2893                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2894                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2895                                 else
2896                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2897                                 }
2898                         /* send the file */
2899                         for (;;)
2900                                 {
2901                                 i=BIO_read(file,buf,bufsize);
2902                                 if (i <= 0) break;
2903
2904 #ifdef RENEG
2905                                 total_bytes+=i;
2906                                 fprintf(stderr,"%d\n",i);
2907                                 if (total_bytes > 3*1024)
2908                                         {
2909                                         total_bytes=0;
2910                                         fprintf(stderr,"RENEGOTIATE\n");
2911                                         SSL_renegotiate(con);
2912                                         }
2913 #endif
2914
2915                                 for (j=0; j<i; )
2916                                         {
2917 #ifdef RENEG
2918 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2919 #endif
2920                                         k=BIO_write(io,&(buf[j]),i-j);
2921                                         if (k <= 0)
2922                                                 {
2923                                                 if (!BIO_should_retry(io))
2924                                                         goto write_error;
2925                                                 else
2926                                                         {
2927                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2928                                                         }
2929                                                 }
2930                                         else
2931                                                 {
2932                                                 j+=k;
2933                                                 }
2934                                         }
2935                                 }
2936 write_error:
2937                         BIO_free(file);
2938                         break;
2939                         }
2940                 }
2941
2942         for (;;)
2943                 {
2944                 i=(int)BIO_flush(io);
2945                 if (i <= 0)
2946                         {
2947                         if (!BIO_should_retry(io))
2948                                 break;
2949                         }
2950                 else
2951                         break;
2952                 }
2953 end:
2954 #if 1
2955         /* make sure we re-use sessions */
2956         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2957 #else
2958         /* This kills performance */
2959 /*      SSL_shutdown(con); A shutdown gets sent in the
2960  *      BIO_free_all(io) procession */
2961 #endif
2962
2963 err:
2964
2965         if (ret >= 0)
2966                 BIO_printf(bio_s_out,"ACCEPT\n");
2967
2968         if (buf != NULL) OPENSSL_free(buf);
2969         if (io != NULL) BIO_free_all(io);
2970 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2971         return(ret);
2972         }
2973
2974 #ifndef OPENSSL_NO_RSA
2975 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2976         {
2977         BIGNUM *bn = NULL;
2978         static RSA *rsa_tmp=NULL;
2979
2980         if (!rsa_tmp && ((bn = BN_new()) == NULL))
2981                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2982         if (!rsa_tmp && bn)
2983                 {
2984                 if (!s_quiet)
2985                         {
2986                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2987                         (void)BIO_flush(bio_err);
2988                         }
2989                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2990                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2991                         {
2992                         if(rsa_tmp) RSA_free(rsa_tmp);
2993                         rsa_tmp = NULL;
2994                         }
2995                 if (!s_quiet)
2996                         {
2997                         BIO_printf(bio_err,"\n");
2998                         (void)BIO_flush(bio_err);
2999                         }
3000                 BN_free(bn);
3001                 }
3002         return(rsa_tmp);
3003         }
3004 #endif
3005
3006 #define MAX_SESSION_ID_ATTEMPTS 10
3007 static int generate_session_id(const SSL *ssl, unsigned char *id,
3008                                 unsigned int *id_len)
3009         {
3010         unsigned int count = 0;
3011         do      {
3012                 RAND_pseudo_bytes(id, *id_len);
3013                 /* Prefix the session_id with the required prefix. NB: If our
3014                  * prefix is too long, clip it - but there will be worse effects
3015                  * anyway, eg. the server could only possibly create 1 session
3016                  * ID (ie. the prefix!) so all future session negotiations will
3017                  * fail due to conflicts. */
3018                 memcpy(id, session_id_prefix,
3019                         (strlen(session_id_prefix) < *id_len) ?
3020                         strlen(session_id_prefix) : *id_len);
3021                 }
3022         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3023                 (++count < MAX_SESSION_ID_ATTEMPTS));
3024         if(count >= MAX_SESSION_ID_ATTEMPTS)
3025                 return 0;
3026         return 1;
3027         }