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         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 519         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 520         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 521         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 522         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 523         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 524         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 525         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 526         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 527         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 528         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 529         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 530         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 531 #ifndef OPENSSL_NO_DH
 532         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 533 #endif
 534 #ifndef OPENSSL_NO_ECDH
 535         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 536 #endif
 537         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 538         BIO_printf(bio_err," -hack         - workaround for early Netscape code\n");
 539         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 540         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 541         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 542         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 543 #ifndef OPENSSL_NO_ENGINE
 544         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 545 #endif
 546         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 547         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 548 #ifndef OPENSSL_NO_TLSEXT
 549         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 550         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 551         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 552         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 553         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 554         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 555         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 556         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 557         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 558 # ifndef OPENSSL_NO_NEXTPROTONEG
 559         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 560 # endif
 561 # ifndef OPENSSL_NO_SRTP
 562         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 563 # endif
 564 #endif
 565         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 566         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 567         BIO_printf(bio_err," -status           - respond to certificate status requests\n");
 568         BIO_printf(bio_err," -status_verbose   - enable status request verbose printout\n");
 569         BIO_printf(bio_err," -status_timeout n - status request responder timeout\n");
 570         BIO_printf(bio_err," -status_url URL   - status request fallback URL\n");
 571         }
 572
 573 static int local_argc=0;
 574 static char **local_argv;
 575
 576 #ifdef CHARSET_EBCDIC
 577 static int ebcdic_new(BIO *bi);
 578 static int ebcdic_free(BIO *a);
 579 static int ebcdic_read(BIO *b, char *out, int outl);
 580 static int ebcdic_write(BIO *b, const char *in, int inl);
 581 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 582 static int ebcdic_gets(BIO *bp, char *buf, int size);
 583 static int ebcdic_puts(BIO *bp, const char *str);
 584
 585 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 586 static BIO_METHOD methods_ebcdic=
 587         {
 588         BIO_TYPE_EBCDIC_FILTER,
 589         "EBCDIC/ASCII filter",
 590         ebcdic_write,
 591         ebcdic_read,
 592         ebcdic_puts,
 593         ebcdic_gets,
 594         ebcdic_ctrl,
 595         ebcdic_new,
 596         ebcdic_free,
 597         };
 598
 599 typedef struct
 600 {
 601         size_t  alloced;
 602         char    buff[1];
 603 } EBCDIC_OUTBUFF;
 604
 605 BIO_METHOD *BIO_f_ebcdic_filter()
 606 {
 607         return(&methods_ebcdic);
 608 }
 609
 610 static int ebcdic_new(BIO *bi)
 611 {
 612         EBCDIC_OUTBUFF *wbuf;
 613
 614         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 615         wbuf->alloced = 1024;
 616         wbuf->buff[0] = '\0';
 617
 618         bi->ptr=(char *)wbuf;
 619         bi->init=1;
 620         bi->flags=0;
 621         return(1);
 622 }
 623
 624 static int ebcdic_free(BIO *a)
 625 {
 626         if (a == NULL) return(0);
 627         if (a->ptr != NULL)
 628                 OPENSSL_free(a->ptr);
 629         a->ptr=NULL;
 630         a->init=0;
 631         a->flags=0;
 632         return(1);
 633 }
 634
 635 static int ebcdic_read(BIO *b, char *out, int outl)
 636 {
 637         int ret=0;
 638
 639         if (out == NULL || outl == 0) return(0);
 640         if (b->next_bio == NULL) return(0);
 641
 642         ret=BIO_read(b->next_bio,out,outl);
 643         if (ret > 0)
 644                 ascii2ebcdic(out,out,ret);
 645         return(ret);
 646 }
 647
 648 static int ebcdic_write(BIO *b, const char *in, int inl)
 649 {
 650         EBCDIC_OUTBUFF *wbuf;
 651         int ret=0;
 652         int num;
 653         unsigned char n;
 654
 655         if ((in == NULL) || (inl <= 0)) return(0);
 656         if (b->next_bio == NULL) return(0);
 657
 658         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 659
 660         if (inl > (num = wbuf->alloced))
 661         {
 662                 num = num + num;  /* double the size */
 663                 if (num < inl)
 664                         num = inl;
 665                 OPENSSL_free(wbuf);
 666                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 667
 668                 wbuf->alloced = num;
 669                 wbuf->buff[0] = '\0';
 670
 671                 b->ptr=(char *)wbuf;
 672         }
 673
 674         ebcdic2ascii(wbuf->buff, in, inl);
 675
 676         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 677
 678         return(ret);
 679 }
 680
 681 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 682 {
 683         long ret;
 684
 685         if (b->next_bio == NULL) return(0);
 686         switch (cmd)
 687         {
 688         case BIO_CTRL_DUP:
 689                 ret=0L;
 690                 break;
 691         default:
 692                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 693                 break;
 694         }
 695         return(ret);
 696 }
 697
 698 static int ebcdic_gets(BIO *bp, char *buf, int size)
 699 {
 700         int i, ret=0;
 701         if (bp->next_bio == NULL) return(0);
 702 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 703         for (i=0; i<size-1; ++i)
 704         {
 705                 ret = ebcdic_read(bp,&buf[i],1);
 706                 if (ret <= 0)
 707                         break;
 708                 else if (buf[i] == '\n')
 709                 {
 710                         ++i;
 711                         break;
 712                 }
 713         }
 714         if (i < size)
 715                 buf[i] = '\0';
 716         return (ret < 0 && i == 0) ? ret : i;
 717 }
 718
 719 static int ebcdic_puts(BIO *bp, const char *str)
 720 {
 721         if (bp->next_bio == NULL) return(0);
 722         return ebcdic_write(bp, str, strlen(str));
 723 }
 724 #endif
 725
 726 #ifndef OPENSSL_NO_TLSEXT
 727
 728 /* This is a context that we pass to callbacks */
 729 typedef struct tlsextctx_st {
 730    char * servername;
 731    BIO * biodebug;
 732    int extension_error;
 733 } tlsextctx;
 734
 735
 736 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 737         {
 738         tlsextctx * p = (tlsextctx *) arg;
 739         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 740         if (servername && p->biodebug)
 741                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 742
 743         if (!p->servername)
 744                 return SSL_TLSEXT_ERR_NOACK;
 745
 746         if (servername)
 747                 {
 748                 if (strcasecmp(servername,p->servername))
 749                         return p->extension_error;
 750                 if (ctx2)
 751                         {
 752                         BIO_printf(p->biodebug,"Switching server context.\n");
 753                         SSL_set_SSL_CTX(s,ctx2);
 754                         }
 755                 }
 756         return SSL_TLSEXT_ERR_OK;
 757 }
 758
 759 /* Structure passed to cert status callback */
 760
 761 typedef struct tlsextstatusctx_st {
 762    /* Default responder to use */
 763    char *host, *path, *port;
 764    int use_ssl;
 765    int timeout;
 766    BIO *err;
 767    int verbose;
 768 } tlsextstatusctx;
 769
 770 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 771
 772 /* Certificate Status callback. This is called when a client includes a
 773  * certificate status request extension.
 774  *
 775  * This is a simplified version. It examines certificates each time and
 776  * makes one OCSP responder query for each request.
 777  *
 778  * A full version would store details such as the OCSP certificate IDs and
 779  * minimise the number of OCSP responses by caching them until they were
 780  * considered "expired".
 781  */
 782
 783 static int cert_status_cb(SSL *s, void *arg)
 784         {
 785         tlsextstatusctx *srctx = arg;
 786         BIO *err = srctx->err;
 787         char *host, *port, *path;
 788         int use_ssl;
 789         unsigned char *rspder = NULL;
 790         int rspderlen;
 791         STACK_OF(OPENSSL_STRING) *aia = NULL;
 792         X509 *x = NULL;
 793         X509_STORE_CTX inctx;
 794         X509_OBJECT obj;
 795         OCSP_REQUEST *req = NULL;
 796         OCSP_RESPONSE *resp = NULL;
 797         OCSP_CERTID *id = NULL;
 798         STACK_OF(X509_EXTENSION) *exts;
 799         int ret = SSL_TLSEXT_ERR_NOACK;
 800         int i;
 801 #if 0
 802 STACK_OF(OCSP_RESPID) *ids;
 803 SSL_get_tlsext_status_ids(s, &ids);
 804 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 805 #endif
 806         if (srctx->verbose)
 807                 BIO_puts(err, "cert_status: callback called\n");
 808         /* Build up OCSP query from server certificate */
 809         x = SSL_get_certificate(s);
 810         aia = X509_get1_ocsp(x);
 811         if (aia)
 812                 {
 813                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 814                         &host, &port, &path, &use_ssl))
 815                         {
 816                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 817                         goto err;
 818                         }
 819                 if (srctx->verbose)
 820                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 821                                         sk_OPENSSL_STRING_value(aia, 0));
 822                 }
 823         else
 824                 {
 825                 if (!srctx->host)
 826                         {
 827                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 828                         goto done;
 829                         }
 830                 host = srctx->host;
 831                 path = srctx->path;
 832                 port = srctx->port;
 833                 use_ssl = srctx->use_ssl;
 834                 }
 835
 836         if (!X509_STORE_CTX_init(&inctx,
 837                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 838                                 NULL, NULL))
 839                 goto err;
 840         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 841                                 X509_get_issuer_name(x),&obj) <= 0)
 842                 {
 843                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 844                 X509_STORE_CTX_cleanup(&inctx);
 845                 goto done;
 846                 }
 847         req = OCSP_REQUEST_new();
 848         if (!req)
 849                 goto err;
 850         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 851         X509_free(obj.data.x509);
 852         X509_STORE_CTX_cleanup(&inctx);
 853         if (!id)
 854                 goto err;
 855         if (!OCSP_request_add0_id(req, id))
 856                 goto err;
 857         id = NULL;
 858         /* Add any extensions to the request */
 859         SSL_get_tlsext_status_exts(s, &exts);
 860         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 861                 {
 862                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 863                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 864                         goto err;
 865                 }
 866         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 867                                         srctx->timeout);
 868         if (!resp)
 869                 {
 870                 BIO_puts(err, "cert_status: error querying responder\n");
 871                 goto done;
 872                 }
 873         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 874         if (rspderlen <= 0)
 875                 goto err;
 876         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 877         if (srctx->verbose)
 878                 {
 879                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 880                 OCSP_RESPONSE_print(err, resp, 2);
 881                 }
 882         ret = SSL_TLSEXT_ERR_OK;
 883         done:
 884         if (ret != SSL_TLSEXT_ERR_OK)
 885                 ERR_print_errors(err);
 886         if (aia)
 887                 {
 888                 OPENSSL_free(host);
 889                 OPENSSL_free(path);
 890                 OPENSSL_free(port);
 891                 X509_email_free(aia);
 892                 }
 893         if (id)
 894                 OCSP_CERTID_free(id);
 895         if (req)
 896                 OCSP_REQUEST_free(req);
 897         if (resp)
 898                 OCSP_RESPONSE_free(resp);
 899         return ret;
 900         err:
 901         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 902         goto done;
 903         }
 904
 905 # ifndef OPENSSL_NO_NEXTPROTONEG
 906 /* This is the context that we pass to next_proto_cb */
 907 typedef struct tlsextnextprotoctx_st {
 908         unsigned char *data;
 909         unsigned int len;
 910 } tlsextnextprotoctx;
 911
 912 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 913         {
 914         tlsextnextprotoctx *next_proto = arg;
 915
 916         *data = next_proto->data;
 917         *len = next_proto->len;
 918
 919         return SSL_TLSEXT_ERR_OK;
 920         }
 921 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 922
 923
 924 #endif
 925
 926 int MAIN(int, char **);
 927
 928 #ifndef OPENSSL_NO_JPAKE
 929 static char *jpake_secret = NULL;
 930 #endif
 931 #ifndef OPENSSL_NO_SRP
 932         static srpsrvparm srp_callback_parm;
 933 #endif
 934 #ifndef OPENSSL_NO_SRTP
 935 static char *srtp_profiles = NULL;
 936 #endif
 937
 938 int MAIN(int argc, char *argv[])
 939         {
 940         X509_VERIFY_PARAM *vpm = NULL;
 941         int badarg = 0;
 942         short port=PORT;
 943         char *CApath=NULL,*CAfile=NULL;
 944         unsigned char *context = NULL;
 945         char *dhfile = NULL;
 946 #ifndef OPENSSL_NO_ECDH
 947         char *named_curve = NULL;
 948 #endif
 949         int badop=0,bugs=0;
 950         int ret=1;
 951         int off=0;
 952         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 953         int state=0;
 954         const SSL_METHOD *meth=NULL;
 955         int socket_type=SOCK_STREAM;
 956         ENGINE *e=NULL;
 957         char *inrand=NULL;
 958         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 959         char *passarg = NULL, *pass = NULL;
 960         char *dpassarg = NULL, *dpass = NULL;
 961         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 962         X509 *s_cert = NULL, *s_dcert = NULL;
 963         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 964         int no_cache = 0;
 965 #ifndef OPENSSL_NO_TLSEXT
 966         EVP_PKEY *s_key2 = NULL;
 967         X509 *s_cert2 = NULL;
 968         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 969 # ifndef OPENSSL_NO_NEXTPROTONEG
 970         const char *next_proto_neg_in = NULL;
 971         tlsextnextprotoctx next_proto;
 972 # endif
 973 #endif
 974 #ifndef OPENSSL_NO_PSK
 975         /* by default do not send a PSK identity hint */
 976         static char *psk_identity_hint=NULL;
 977 #endif
 978 #ifndef OPENSSL_NO_SRP
 979         char *srpuserseed = NULL;
 980         char *srp_verifier_file = NULL;
 981 #endif
 982         meth=SSLv23_server_method();
 983
 984         local_argc=argc;
 985         local_argv=argv;
 986
 987         apps_startup();
 988 #ifdef MONOLITH
 989         s_server_init();
 990 #endif
 991
 992         if (bio_err == NULL)
 993                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 994
 995         if (!load_config(bio_err, NULL))
 996                 goto end;
 997
 998         verify_depth=0;
 999 #ifdef FIONBIO
1000         s_nbio=0;
1001 #endif
1002         s_nbio_test=0;
1003
1004         argc--;
1005         argv++;
1006
1007         while (argc >= 1)
1008                 {
1009                 if      ((strcmp(*argv,"-port") == 0) ||
1010                          (strcmp(*argv,"-accept") == 0))
1011                         {
1012                         if (--argc < 1) goto bad;
1013                         if (!extract_port(*(++argv),&port))
1014                                 goto bad;
1015                         }
1016                 else if (strcmp(*argv,"-verify") == 0)
1017                         {
1018                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1019                         if (--argc < 1) goto bad;
1020                         verify_depth=atoi(*(++argv));
1021                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1022                         }
1023                 else if (strcmp(*argv,"-Verify") == 0)
1024                         {
1025                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1026                                 SSL_VERIFY_CLIENT_ONCE;
1027                         if (--argc < 1) goto bad;
1028                         verify_depth=atoi(*(++argv));
1029                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1030                         }
1031                 else if (strcmp(*argv,"-context") == 0)
1032                         {
1033                         if (--argc < 1) goto bad;
1034                         context= (unsigned char *)*(++argv);
1035                         }
1036                 else if (strcmp(*argv,"-cert") == 0)
1037                         {
1038                         if (--argc < 1) goto bad;
1039                         s_cert_file= *(++argv);
1040                         }
1041                 else if (strcmp(*argv,"-certform") == 0)
1042                         {
1043                         if (--argc < 1) goto bad;
1044                         s_cert_format = str2fmt(*(++argv));
1045                         }
1046                 else if (strcmp(*argv,"-key") == 0)
1047                         {
1048                         if (--argc < 1) goto bad;
1049                         s_key_file= *(++argv);
1050                         }
1051                 else if (strcmp(*argv,"-keyform") == 0)
1052                         {
1053                         if (--argc < 1) goto bad;
1054                         s_key_format = str2fmt(*(++argv));
1055                         }
1056                 else if (strcmp(*argv,"-pass") == 0)
1057                         {
1058                         if (--argc < 1) goto bad;
1059                         passarg = *(++argv);
1060                         }
1061                 else if (strcmp(*argv,"-dhparam") == 0)
1062                         {
1063                         if (--argc < 1) goto bad;
1064                         dhfile = *(++argv);
1065                         }
1066 #ifndef OPENSSL_NO_ECDH
1067                 else if (strcmp(*argv,"-named_curve") == 0)
1068                         {
1069                         if (--argc < 1) goto bad;
1070                         named_curve = *(++argv);
1071                         }
1072 #endif
1073                 else if (strcmp(*argv,"-dcertform") == 0)
1074                         {
1075                         if (--argc < 1) goto bad;
1076                         s_dcert_format = str2fmt(*(++argv));
1077                         }
1078                 else if (strcmp(*argv,"-dcert") == 0)
1079                         {
1080                         if (--argc < 1) goto bad;
1081                         s_dcert_file= *(++argv);
1082                         }
1083                 else if (strcmp(*argv,"-dkeyform") == 0)
1084                         {
1085                         if (--argc < 1) goto bad;
1086                         s_dkey_format = str2fmt(*(++argv));
1087                         }
1088                 else if (strcmp(*argv,"-dpass") == 0)
1089                         {
1090                         if (--argc < 1) goto bad;
1091                         dpassarg = *(++argv);
1092                         }
1093                 else if (strcmp(*argv,"-dkey") == 0)
1094                         {
1095                         if (--argc < 1) goto bad;
1096                         s_dkey_file= *(++argv);
1097                         }
1098                 else if (strcmp(*argv,"-nocert") == 0)
1099                         {
1100                         nocert=1;
1101                         }
1102                 else if (strcmp(*argv,"-CApath") == 0)
1103                         {
1104                         if (--argc < 1) goto bad;
1105                         CApath= *(++argv);
1106                         }
1107                 else if (strcmp(*argv,"-no_cache") == 0)
1108                         no_cache = 1;
1109                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1110                         {
1111                         if (badarg)
1112                                 goto bad;
1113                         continue;
1114                         }
1115                 else if (strcmp(*argv,"-verify_return_error") == 0)
1116                         verify_return_error = 1;
1117                 else if (strcmp(*argv,"-serverpref") == 0)
1118                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1119                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1120                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1121                 else if (strcmp(*argv,"-cipher") == 0)
1122                         {
1123                         if (--argc < 1) goto bad;
1124                         cipher= *(++argv);
1125                         }
1126                 else if (strcmp(*argv,"-CAfile") == 0)
1127                         {
1128                         if (--argc < 1) goto bad;
1129                         CAfile= *(++argv);
1130                         }
1131 #ifdef FIONBIO
1132                 else if (strcmp(*argv,"-nbio") == 0)
1133                         { s_nbio=1; }
1134 #endif
1135                 else if (strcmp(*argv,"-nbio_test") == 0)
1136                         {
1137 #ifdef FIONBIO
1138                         s_nbio=1;
1139 #endif
1140                         s_nbio_test=1;
1141                         }
1142                 else if (strcmp(*argv,"-debug") == 0)
1143                         { s_debug=1; }
1144 #ifndef OPENSSL_NO_TLSEXT
1145                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1146                         s_tlsextdebug=1;
1147                 else if (strcmp(*argv,"-status") == 0)
1148                         s_tlsextstatus=1;
1149                 else if (strcmp(*argv,"-status_verbose") == 0)
1150                         {
1151                         s_tlsextstatus=1;
1152                         tlscstatp.verbose = 1;
1153                         }
1154                 else if (!strcmp(*argv, "-status_timeout"))
1155                         {
1156                         s_tlsextstatus=1;
1157                         if (--argc < 1) goto bad;
1158                         tlscstatp.timeout = atoi(*(++argv));
1159                         }
1160                 else if (!strcmp(*argv, "-status_url"))
1161                         {
1162                         s_tlsextstatus=1;
1163                         if (--argc < 1) goto bad;
1164                         if (!OCSP_parse_url(*(++argv),
1165                                         &tlscstatp.host,
1166                                         &tlscstatp.port,
1167                                         &tlscstatp.path,
1168                                         &tlscstatp.use_ssl))
1169                                 {
1170                                 BIO_printf(bio_err, "Error parsing URL\n");
1171                                 goto bad;
1172                                 }
1173                         }
1174 #endif
1175                 else if (strcmp(*argv,"-msg") == 0)
1176                         { s_msg=1; }
1177                 else if (strcmp(*argv,"-hack") == 0)
1178                         { hack=1; }
1179                 else if (strcmp(*argv,"-state") == 0)
1180                         { state=1; }
1181                 else if (strcmp(*argv,"-crlf") == 0)
1182                         { s_crlf=1; }
1183                 else if (strcmp(*argv,"-quiet") == 0)
1184                         { s_quiet=1; }
1185                 else if (strcmp(*argv,"-bugs") == 0)
1186                         { bugs=1; }
1187                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1188                         { no_tmp_rsa=1; }
1189                 else if (strcmp(*argv,"-no_dhe") == 0)
1190                         { no_dhe=1; }
1191                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1192                         { no_ecdhe=1; }
1193 #ifndef OPENSSL_NO_PSK
1194                 else if (strcmp(*argv,"-psk_hint") == 0)
1195                         {
1196                         if (--argc < 1) goto bad;
1197                         psk_identity_hint= *(++argv);
1198                         }
1199                 else if (strcmp(*argv,"-psk") == 0)
1200                         {
1201                         size_t i;
1202
1203                         if (--argc < 1) goto bad;
1204                         psk_key=*(++argv);
1205                         for (i=0; i<strlen(psk_key); i++)
1206                                 {
1207                                 if (isxdigit((unsigned char)psk_key[i]))
1208                                         continue;
1209                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1210                                 goto bad;
1211                                 }
1212                         }
1213 #endif
1214 #ifndef OPENSSL_NO_SRP
1215                 else if (strcmp(*argv, "-srpvfile") == 0)
1216                         {
1217                         if (--argc < 1) goto bad;
1218                         srp_verifier_file = *(++argv);
1219                         meth = TLSv1_server_method();
1220                         }
1221                 else if (strcmp(*argv, "-srpuserseed") == 0)
1222                         {
1223                         if (--argc < 1) goto bad;
1224                         srpuserseed = *(++argv);
1225                         meth = TLSv1_server_method();
1226                         }
1227 #endif
1228                 else if (strcmp(*argv,"-www") == 0)
1229                         { www=1; }
1230                 else if (strcmp(*argv,"-WWW") == 0)
1231                         { www=2; }
1232                 else if (strcmp(*argv,"-HTTP") == 0)
1233                         { www=3; }
1234                 else if (strcmp(*argv,"-no_ssl2") == 0)
1235                         { off|=SSL_OP_NO_SSLv2; }
1236                 else if (strcmp(*argv,"-no_ssl3") == 0)
1237                         { off|=SSL_OP_NO_SSLv3; }
1238                 else if (strcmp(*argv,"-no_tls1") == 0)
1239                         { off|=SSL_OP_NO_TLSv1; }
1240                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1241                         { off|=SSL_OP_NO_TLSv1_1; }
1242                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1243                         { off|=SSL_OP_NO_TLSv1_2; }
1244                 else if (strcmp(*argv,"-no_comp") == 0)
1245                         { off|=SSL_OP_NO_COMPRESSION; }
1246 #ifndef OPENSSL_NO_TLSEXT
1247                 else if (strcmp(*argv,"-no_ticket") == 0)
1248                         { off|=SSL_OP_NO_TICKET; }
1249 #endif
1250 #ifndef OPENSSL_NO_SSL2
1251                 else if (strcmp(*argv,"-ssl2") == 0)
1252                         { meth=SSLv2_server_method(); }
1253 #endif
1254 #ifndef OPENSSL_NO_SSL3
1255                 else if (strcmp(*argv,"-ssl3") == 0)
1256                         { meth=SSLv3_server_method(); }
1257 #endif
1258 #ifndef OPENSSL_NO_TLS1
1259                 else if (strcmp(*argv,"-tls1") == 0)
1260                         { meth=TLSv1_server_method(); }
1261                 else if (strcmp(*argv,"-tls1_1") == 0)
1262                         { meth=TLSv1_1_server_method(); }
1263                 else if (strcmp(*argv,"-tls1_2") == 0)
1264                         { meth=TLSv1_2_server_method(); }
1265 #endif
1266 #ifndef OPENSSL_NO_DTLS1
1267                 else if (strcmp(*argv,"-dtls1") == 0)
1268                         {
1269                         meth=DTLSv1_server_method();
1270                         socket_type = SOCK_DGRAM;
1271                         }
1272                 else if (strcmp(*argv,"-timeout") == 0)
1273                         enable_timeouts = 1;
1274                 else if (strcmp(*argv,"-mtu") == 0)
1275                         {
1276                         if (--argc < 1) goto bad;
1277                         socket_mtu = atol(*(++argv));
1278                         }
1279                 else if (strcmp(*argv, "-chain") == 0)
1280                         cert_chain = 1;
1281 #endif
1282                 else if (strcmp(*argv, "-id_prefix") == 0)
1283                         {
1284                         if (--argc < 1) goto bad;
1285                         session_id_prefix = *(++argv);
1286                         }
1287 #ifndef OPENSSL_NO_ENGINE
1288                 else if (strcmp(*argv,"-engine") == 0)
1289                         {
1290                         if (--argc < 1) goto bad;
1291                         engine_id= *(++argv);
1292                         }
1293 #endif
1294                 else if (strcmp(*argv,"-rand") == 0)
1295                         {
1296                         if (--argc < 1) goto bad;
1297                         inrand= *(++argv);
1298                         }
1299 #ifndef OPENSSL_NO_TLSEXT
1300                 else if (strcmp(*argv,"-servername") == 0)
1301                         {
1302                         if (--argc < 1) goto bad;
1303                         tlsextcbp.servername= *(++argv);
1304                         }
1305                 else if (strcmp(*argv,"-servername_fatal") == 0)
1306                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1307                 else if (strcmp(*argv,"-cert2") == 0)
1308                         {
1309                         if (--argc < 1) goto bad;
1310                         s_cert_file2= *(++argv);
1311                         }
1312                 else if (strcmp(*argv,"-key2") == 0)
1313                         {
1314                         if (--argc < 1) goto bad;
1315                         s_key_file2= *(++argv);
1316                         }
1317 # ifndef OPENSSL_NO_NEXTPROTONEG
1318                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1319                         {
1320                         if (--argc < 1) goto bad;
1321                         next_proto_neg_in = *(++argv);
1322                         }
1323 # endif
1324 #endif
1325 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1326                 else if (strcmp(*argv,"-jpake") == 0)
1327                         {
1328                         if (--argc < 1) goto bad;
1329                         jpake_secret = *(++argv);
1330                         }
1331 #endif
1332 #ifndef OPENSSL_NO_SRTP
1333                 else if (strcmp(*argv,"-use_srtp") == 0)
1334                         {
1335                         if (--argc < 1) goto bad;
1336                         srtp_profiles = *(++argv);
1337                         }
1338 #endif
1339                 else if (strcmp(*argv,"-keymatexport") == 0)
1340                         {
1341                         if (--argc < 1) goto bad;
1342                         keymatexportlabel= *(++argv);
1343                         }
1344                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1345                         {
1346                         if (--argc < 1) goto bad;
1347                         keymatexportlen=atoi(*(++argv));
1348                         if (keymatexportlen == 0) goto bad;
1349                         }
1350                 else
1351                         {
1352                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1353                         badop=1;
1354                         break;
1355                         }
1356                 argc--;
1357                 argv++;
1358                 }
1359         if (badop)
1360                 {
1361 bad:
1362                 sv_usage();
1363                 goto end;
1364                 }
1365
1366 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1367         if (jpake_secret)
1368                 {
1369                 if (psk_key)
1370                         {
1371                         BIO_printf(bio_err,
1372                                    "Can't use JPAKE and PSK together\n");
1373                         goto end;
1374                         }
1375                 psk_identity = "JPAKE";
1376                 if (cipher)
1377                         {
1378                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1379                         goto end;
1380                         }
1381                 cipher = "PSK";
1382                 }
1383
1384 #endif
1385
1386         SSL_load_error_strings();
1387         OpenSSL_add_ssl_algorithms();
1388
1389 #ifndef OPENSSL_NO_ENGINE
1390         e = setup_engine(bio_err, engine_id, 1);
1391 #endif
1392
1393         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1394                 {
1395                 BIO_printf(bio_err, "Error getting password\n");
1396                 goto end;
1397                 }
1398
1399
1400         if (s_key_file == NULL)
1401                 s_key_file = s_cert_file;
1402 #ifndef OPENSSL_NO_TLSEXT
1403         if (s_key_file2 == NULL)
1404                 s_key_file2 = s_cert_file2;
1405 #endif
1406
1407         if (nocert == 0)
1408                 {
1409                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1410                        "server certificate private key file");
1411                 if (!s_key)
1412                         {
1413                         ERR_print_errors(bio_err);
1414                         goto end;
1415                         }
1416
1417                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1418                         NULL, e, "server certificate file");
1419
1420                 if (!s_cert)
1421                         {
1422                         ERR_print_errors(bio_err);
1423                         goto end;
1424                         }
1425
1426 #ifndef OPENSSL_NO_TLSEXT
1427                 if (tlsextcbp.servername)
1428                         {
1429                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1430                                 "second server certificate private key file");
1431                         if (!s_key2)
1432                                 {
1433                                 ERR_print_errors(bio_err);
1434                                 goto end;
1435                                 }
1436
1437                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1438                                 NULL, e, "second server certificate file");
1439
1440                         if (!s_cert2)
1441                                 {
1442                                 ERR_print_errors(bio_err);
1443                                 goto end;
1444                                 }
1445                         }
1446 #endif
1447                 }
1448
1449 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1450         if (next_proto_neg_in)
1451                 {
1452                 unsigned short len;
1453                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1454                 if (next_proto.data == NULL)
1455                         goto end;
1456                 next_proto.len = len;
1457                 }
1458         else
1459                 {
1460                 next_proto.data = NULL;
1461                 }
1462 #endif
1463
1464
1465         if (s_dcert_file)
1466                 {
1467
1468                 if (s_dkey_file == NULL)
1469                         s_dkey_file = s_dcert_file;
1470
1471                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1472                                 0, dpass, e,
1473                                "second certificate private key file");
1474                 if (!s_dkey)
1475                         {
1476                         ERR_print_errors(bio_err);
1477                         goto end;
1478                         }
1479
1480                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1481                                 NULL, e, "second server certificate file");
1482
1483                 if (!s_dcert)
1484                         {
1485                         ERR_print_errors(bio_err);
1486                         goto end;
1487                         }
1488
1489                 }
1490
1491         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1492                 && !RAND_status())
1493                 {
1494                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1495                 }
1496         if (inrand != NULL)
1497                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1498                         app_RAND_load_files(inrand));
1499
1500         if (bio_s_out == NULL)
1501                 {
1502                 if (s_quiet && !s_debug && !s_msg)
1503                         {
1504                         bio_s_out=BIO_new(BIO_s_null());
1505                         }
1506                 else
1507                         {
1508                         if (bio_s_out == NULL)
1509                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1510                         }
1511                 }
1512
1513 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1514         if (nocert)
1515 #endif
1516                 {
1517                 s_cert_file=NULL;
1518                 s_key_file=NULL;
1519                 s_dcert_file=NULL;
1520                 s_dkey_file=NULL;
1521 #ifndef OPENSSL_NO_TLSEXT
1522                 s_cert_file2=NULL;
1523                 s_key_file2=NULL;
1524 #endif
1525                 }
1526
1527         ctx=SSL_CTX_new(meth);
1528         if (ctx == NULL)
1529                 {
1530                 ERR_print_errors(bio_err);
1531                 goto end;
1532                 }
1533         if (session_id_prefix)
1534                 {
1535                 if(strlen(session_id_prefix) >= 32)
1536                         BIO_printf(bio_err,
1537 "warning: id_prefix is too long, only one new session will be possible\n");
1538                 else if(strlen(session_id_prefix) >= 16)
1539                         BIO_printf(bio_err,
1540 "warning: id_prefix is too long if you use SSLv2\n");
1541                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1542                         {
1543                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1544                         ERR_print_errors(bio_err);
1545                         goto end;
1546                         }
1547                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1548                 }
1549         SSL_CTX_set_quiet_shutdown(ctx,1);
1550         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1551         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1552         SSL_CTX_set_options(ctx,off);
1553         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1554          * Setting read ahead solves this problem.
1555          */
1556         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1557
1558         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1559         if (no_cache)
1560                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1561         else
1562                 SSL_CTX_sess_set_cache_size(ctx,128);
1563
1564 #ifndef OPENSSL_NO_SRTP
1565         if (srtp_profiles != NULL)
1566                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1567 #endif
1568
1569 #if 0
1570         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1571 #endif
1572
1573 #if 0
1574         if (s_cert_file == NULL)
1575                 {
1576                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1577                 goto end;
1578                 }
1579 #endif
1580
1581         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1582                 (!SSL_CTX_set_default_verify_paths(ctx)))
1583                 {
1584                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1585                 ERR_print_errors(bio_err);
1586                 /* goto end; */
1587                 }
1588         if (vpm)
1589                 SSL_CTX_set1_param(ctx, vpm);
1590
1591 #ifndef OPENSSL_NO_TLSEXT
1592         if (s_cert2)
1593                 {
1594                 ctx2=SSL_CTX_new(meth);
1595                 if (ctx2 == NULL)
1596                         {
1597                         ERR_print_errors(bio_err);
1598                         goto end;
1599                         }
1600                 }
1601
1602         if (ctx2)
1603                 {
1604                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1605
1606                 if (session_id_prefix)
1607                         {
1608                         if(strlen(session_id_prefix) >= 32)
1609                                 BIO_printf(bio_err,
1610                                         "warning: id_prefix is too long, only one new session will be possible\n");
1611                         else if(strlen(session_id_prefix) >= 16)
1612                                 BIO_printf(bio_err,
1613                                         "warning: id_prefix is too long if you use SSLv2\n");
1614                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1615                                 {
1616                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1617                                 ERR_print_errors(bio_err);
1618                                 goto end;
1619                                 }
1620                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1621                         }
1622                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1623                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1624                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1625                 SSL_CTX_set_options(ctx2,off);
1626                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1627                  * Setting read ahead solves this problem.
1628                  */
1629                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1630
1631                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1632
1633                 if (no_cache)
1634                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1635                 else
1636                         SSL_CTX_sess_set_cache_size(ctx2,128);
1637
1638                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1639                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1640                         {
1641                         ERR_print_errors(bio_err);
1642                         }
1643                 if (vpm)
1644                         SSL_CTX_set1_param(ctx2, vpm);
1645                 }
1646
1647 # ifndef OPENSSL_NO_NEXTPROTONEG
1648         if (next_proto.data)
1649                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1650 # endif
1651 #endif
1652
1653 #ifndef OPENSSL_NO_DH
1654         if (!no_dhe)
1655                 {
1656                 DH *dh=NULL;
1657
1658                 if (dhfile)
1659                         dh = load_dh_param(dhfile);
1660                 else if (s_cert_file)
1661                         dh = load_dh_param(s_cert_file);
1662
1663                 if (dh != NULL)
1664                         {
1665                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1666                         }
1667                 else
1668                         {
1669                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1670                         dh=get_dh512();
1671                         }
1672                 (void)BIO_flush(bio_s_out);
1673
1674                 SSL_CTX_set_tmp_dh(ctx,dh);
1675 #ifndef OPENSSL_NO_TLSEXT
1676                 if (ctx2)
1677                         {
1678                         if (!dhfile)
1679                                 {
1680                                 DH *dh2=load_dh_param(s_cert_file2);
1681                                 if (dh2 != NULL)
1682                                         {
1683                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1684                                         (void)BIO_flush(bio_s_out);
1685
1686                                         DH_free(dh);
1687                                         dh = dh2;
1688                                         }
1689                                 }
1690                         SSL_CTX_set_tmp_dh(ctx2,dh);
1691                         }
1692 #endif
1693                 DH_free(dh);
1694                 }
1695 #endif
1696
1697 #ifndef OPENSSL_NO_ECDH
1698         if (!no_ecdhe)
1699                 {
1700                 EC_KEY *ecdh=NULL;
1701
1702                 if (named_curve)
1703                         {
1704                         int nid = OBJ_sn2nid(named_curve);
1705
1706                         if (nid == 0)
1707                                 {
1708                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1709                                         named_curve);
1710                                 goto end;
1711                                 }
1712                         ecdh = EC_KEY_new_by_curve_name(nid);
1713                         if (ecdh == NULL)
1714                                 {
1715                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1716                                         named_curve);
1717                                 goto end;
1718                                 }
1719                         }
1720
1721                 if (ecdh != NULL)
1722                         {
1723                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1724                         }
1725                 else
1726                         {
1727                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1728                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1729                         if (ecdh == NULL)
1730                                 {
1731                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1732                                 goto end;
1733                                 }
1734                         }
1735                 (void)BIO_flush(bio_s_out);
1736
1737                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1738 #ifndef OPENSSL_NO_TLSEXT
1739                 if (ctx2)
1740                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1741 #endif
1742                 EC_KEY_free(ecdh);
1743                 }
1744 #endif
1745
1746         if (!set_cert_key_stuff(ctx, s_cert, s_key))
1747                 goto end;
1748 #ifndef OPENSSL_NO_TLSEXT
1749         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1750                 goto end;
1751 #endif
1752         if (s_dcert != NULL)
1753                 {
1754                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1755                         goto end;
1756                 }
1757
1758 #ifndef OPENSSL_NO_RSA
1759 #if 1
1760         if (!no_tmp_rsa)
1761                 {
1762                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1763 #ifndef OPENSSL_NO_TLSEXT
1764                 if (ctx2)
1765                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1766 #endif
1767                 }
1768 #else
1769         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1770                 {
1771                 RSA *rsa;
1772
1773                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1774                 BIO_flush(bio_s_out);
1775
1776                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1777
1778                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1779                         {
1780                         ERR_print_errors(bio_err);
1781                         goto end;
1782                         }
1783 #ifndef OPENSSL_NO_TLSEXT
1784                         if (ctx2)
1785                                 {
1786                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1787                                         {
1788                                         ERR_print_errors(bio_err);
1789                                         goto end;
1790                                         }
1791                                 }
1792 #endif
1793                 RSA_free(rsa);
1794                 BIO_printf(bio_s_out,"\n");
1795                 }
1796 #endif
1797 #endif
1798
1799 #ifndef OPENSSL_NO_PSK
1800 #ifdef OPENSSL_NO_JPAKE
1801         if (psk_key != NULL)
1802 #else
1803         if (psk_key != NULL || jpake_secret)
1804 #endif
1805                 {
1806                 if (s_debug)
1807                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1808                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1809                 }
1810
1811         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1812                 {
1813                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1814                 ERR_print_errors(bio_err);
1815                 goto end;
1816                 }
1817 #endif
1818
1819         if (cipher != NULL)
1820                 {
1821                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1822                         {
1823                         BIO_printf(bio_err,"error setting cipher list\n");
1824                         ERR_print_errors(bio_err);
1825                         goto end;
1826                         }
1827 #ifndef OPENSSL_NO_TLSEXT
1828                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1829                         {
1830                         BIO_printf(bio_err,"error setting cipher list\n");
1831                         ERR_print_errors(bio_err);
1832                         goto end;
1833                         }
1834 #endif
1835                 }
1836         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1837         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1838                 sizeof s_server_session_id_context);
1839
1840         /* Set DTLS cookie generation and verification callbacks */
1841         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1842         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1843
1844 #ifndef OPENSSL_NO_TLSEXT
1845         if (ctx2)
1846                 {
1847                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1848                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1849                         sizeof s_server_session_id_context);
1850
1851                 tlsextcbp.biodebug = bio_s_out;
1852                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1853                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1854                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1855                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1856                 }
1857 #endif
1858
1859 #ifndef OPENSSL_NO_SRP
1860         if (srp_verifier_file != NULL)
1861                 {
1862                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1863                 srp_callback_parm.user = NULL;
1864                 srp_callback_parm.login = NULL;
1865                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1866                         {
1867                         BIO_printf(bio_err,
1868                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1869                                    srp_verifier_file, ret);
1870                                 goto end;
1871                         }
1872                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1873                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1874                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1875                 }
1876         else
1877 #endif
1878         if (CAfile != NULL)
1879                 {
1880                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1881 #ifndef OPENSSL_NO_TLSEXT
1882                 if (ctx2)
1883                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1884 #endif
1885                 }
1886
1887         BIO_printf(bio_s_out,"ACCEPT\n");
1888         (void)BIO_flush(bio_s_out);
1889         if (www)
1890                 do_server(port,socket_type,&accept_socket,www_body, context);
1891         else
1892                 do_server(port,socket_type,&accept_socket,sv_body, context);
1893         print_stats(bio_s_out,ctx);
1894         ret=0;
1895 end:
1896         if (ctx != NULL) SSL_CTX_free(ctx);
1897         if (s_cert)
1898                 X509_free(s_cert);
1899         if (s_dcert)
1900                 X509_free(s_dcert);
1901         if (s_key)
1902                 EVP_PKEY_free(s_key);
1903         if (s_dkey)
1904                 EVP_PKEY_free(s_dkey);
1905         if (pass)
1906                 OPENSSL_free(pass);
1907         if (dpass)
1908                 OPENSSL_free(dpass);
1909         if (vpm)
1910                 X509_VERIFY_PARAM_free(vpm);
1911 #ifndef OPENSSL_NO_TLSEXT
1912         if (tlscstatp.host)
1913                 OPENSSL_free(tlscstatp.host);
1914         if (tlscstatp.port)
1915                 OPENSSL_free(tlscstatp.port);
1916         if (tlscstatp.path)
1917                 OPENSSL_free(tlscstatp.path);
1918         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1919         if (s_cert2)
1920                 X509_free(s_cert2);
1921         if (s_key2)
1922                 EVP_PKEY_free(s_key2);
1923 #endif
1924         if (bio_s_out != NULL)
1925                 {
1926         BIO_free(bio_s_out);
1927                 bio_s_out=NULL;
1928                 }
1929         apps_shutdown();
1930         OPENSSL_EXIT(ret);
1931         }
1932
1933 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1934         {
1935         BIO_printf(bio,"%4ld items in the session cache\n",
1936                 SSL_CTX_sess_number(ssl_ctx));
1937         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1938                 SSL_CTX_sess_connect(ssl_ctx));
1939         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1940                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1941         BIO_printf(bio,"%4ld client connects that finished\n",
1942                 SSL_CTX_sess_connect_good(ssl_ctx));
1943         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1944                 SSL_CTX_sess_accept(ssl_ctx));
1945         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1946                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1947         BIO_printf(bio,"%4ld server accepts that finished\n",
1948                 SSL_CTX_sess_accept_good(ssl_ctx));
1949         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1950         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1951         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1952         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1953         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1954                 SSL_CTX_sess_cache_full(ssl_ctx),
1955                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1956         }
1957
1958 static int sv_body(char *hostname, int s, unsigned char *context)
1959         {
1960         char *buf=NULL;
1961         fd_set readfds;
1962         int ret=1,width;
1963         int k,i;
1964         unsigned long l;
1965         SSL *con=NULL;
1966         BIO *sbio;
1967 #ifndef OPENSSL_NO_KRB5
1968         KSSL_CTX *kctx;
1969 #endif
1970         struct timeval timeout;
1971 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1972         struct timeval tv;
1973 #else
1974         struct timeval *timeoutp;
1975 #endif
1976
1977         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1978                 {
1979                 BIO_printf(bio_err,"out of memory\n");
1980                 goto err;
1981                 }
1982 #ifdef FIONBIO
1983         if (s_nbio)
1984                 {
1985                 unsigned long sl=1;
1986
1987                 if (!s_quiet)
1988                         BIO_printf(bio_err,"turning on non blocking io\n");
1989                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1990                         ERR_print_errors(bio_err);
1991                 }
1992 #endif
1993
1994         if (con == NULL) {
1995                 con=SSL_new(ctx);
1996 #ifndef OPENSSL_NO_TLSEXT
1997         if (s_tlsextdebug)
1998                 {
1999                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2000                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2001                 }
2002         if (s_tlsextstatus)
2003                 {
2004                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2005                 tlscstatp.err = bio_err;
2006                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2007                 }
2008 #endif
2009 #ifndef OPENSSL_NO_KRB5
2010                 if ((kctx = kssl_ctx_new()) != NULL)
2011                         {
2012                         SSL_set0_kssl_ctx(con, kctx);
2013                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2014                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2015                         }
2016 #endif  /* OPENSSL_NO_KRB5 */
2017                 if(context)
2018                       SSL_set_session_id_context(con, context,
2019                                                  strlen((char *)context));
2020         }
2021         SSL_clear(con);
2022 #if 0
2023 #ifdef TLSEXT_TYPE_opaque_prf_input
2024         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2025 #endif
2026 #endif
2027
2028         if (SSL_version(con) == DTLS1_VERSION)
2029                 {
2030
2031                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2032
2033                 if (enable_timeouts)
2034                         {
2035                         timeout.tv_sec = 0;
2036                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2037                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2038
2039                         timeout.tv_sec = 0;
2040                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2041                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2042                         }
2043
2044                 if (socket_mtu > 28)
2045                         {
2046                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2047                         SSL_set_mtu(con, socket_mtu - 28);
2048                         }
2049                 else
2050                         /* want to do MTU discovery */
2051                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2052
2053         /* turn on cookie exchange */
2054         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2055                 }
2056         else
2057                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2058
2059         if (s_nbio_test)
2060                 {
2061                 BIO *test;
2062
2063                 test=BIO_new(BIO_f_nbio_test());
2064                 sbio=BIO_push(test,sbio);
2065                 }
2066 #ifndef OPENSSL_NO_JPAKE
2067         if(jpake_secret)
2068                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2069 #endif
2070
2071         SSL_set_bio(con,sbio,sbio);
2072         SSL_set_accept_state(con);
2073         /* SSL_set_fd(con,s); */
2074
2075         if (s_debug)
2076                 {
2077                 SSL_set_debug(con, 1);
2078                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2079                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2080                 }
2081         if (s_msg)
2082                 {
2083                 SSL_set_msg_callback(con, msg_cb);
2084                 SSL_set_msg_callback_arg(con, bio_s_out);
2085                 }
2086 #ifndef OPENSSL_NO_TLSEXT
2087         if (s_tlsextdebug)
2088                 {
2089                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2090                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2091                 }
2092 #endif
2093
2094         width=s+1;
2095         for (;;)
2096                 {
2097                 int read_from_terminal;
2098                 int read_from_sslcon;
2099
2100                 read_from_terminal = 0;
2101                 read_from_sslcon = SSL_pending(con);
2102
2103                 if (!read_from_sslcon)
2104                         {
2105                         FD_ZERO(&readfds);
2106 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2107                         openssl_fdset(fileno(stdin),&readfds);
2108 #endif
2109                         openssl_fdset(s,&readfds);
2110                         /* Note: under VMS with SOCKETSHR the second parameter is
2111                          * currently of type (int *) whereas under other systems
2112                          * it is (void *) if you don't have a cast it will choke
2113                          * the compiler: if you do have a cast then you can either
2114                          * go for (int *) or (void *).
2115                          */
2116 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2117                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2118                          * on sockets. As a workaround we timeout the select every
2119                          * second and check for any keypress. In a proper Windows
2120                          * application we wouldn't do this because it is inefficient.
2121                          */
2122                         tv.tv_sec = 1;
2123                         tv.tv_usec = 0;
2124                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2125                         if((i < 0) || (!i && !_kbhit() ) )continue;
2126                         if(_kbhit())
2127                                 read_from_terminal = 1;
2128 #elif defined(OPENSSL_SYS_BEOS_R5)
2129                         /* Under BeOS-R5 the situation is similar to DOS */
2130                         tv.tv_sec = 1;
2131                         tv.tv_usec = 0;
2132                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2133                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2134                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2135                                 continue;
2136                         if (read(fileno(stdin), buf, 0) >= 0)
2137                                 read_from_terminal = 1;
2138                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2139 #else
2140                         if ((SSL_version(con) == DTLS1_VERSION) &&
2141                                 DTLSv1_get_timeout(con, &timeout))
2142                                 timeoutp = &timeout;
2143                         else
2144                                 timeoutp = NULL;
2145
2146                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2147
2148                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2149                                 {
2150                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2151                                 }
2152
2153                         if (i <= 0) continue;
2154                         if (FD_ISSET(fileno(stdin),&readfds))
2155                                 read_from_terminal = 1;
2156 #endif
2157                         if (FD_ISSET(s,&readfds))
2158                                 read_from_sslcon = 1;
2159                         }
2160                 if (read_from_terminal)
2161                         {
2162                         if (s_crlf)
2163                                 {
2164                                 int j, lf_num;
2165
2166                                 i=raw_read_stdin(buf, bufsize/2);
2167                                 lf_num = 0;
2168                                 /* both loops are skipped when i <= 0 */
2169                                 for (j = 0; j < i; j++)
2170                                         if (buf[j] == '\n')
2171                                                 lf_num++;
2172                                 for (j = i-1; j >= 0; j--)
2173                                         {
2174                                         buf[j+lf_num] = buf[j];
2175                                         if (buf[j] == '\n')
2176                                                 {
2177                                                 lf_num--;
2178                                                 i++;
2179                                                 buf[j+lf_num] = '\r';
2180                                                 }
2181                                         }
2182                                 assert(lf_num == 0);
2183                                 }
2184                         else
2185                                 i=raw_read_stdin(buf,bufsize);
2186                         if (!s_quiet)
2187                                 {
2188                                 if ((i <= 0) || (buf[0] == 'Q'))
2189                                         {
2190                                         BIO_printf(bio_s_out,"DONE\n");
2191                                         SHUTDOWN(s);
2192                                         close_accept_socket();
2193                                         ret= -11;
2194                                         goto err;
2195                                         }
2196                                 if ((i <= 0) || (buf[0] == 'q'))
2197                                         {
2198                                         BIO_printf(bio_s_out,"DONE\n");
2199                                         if (SSL_version(con) != DTLS1_VERSION)
2200                         SHUTDOWN(s);
2201         /*                              close_accept_socket();
2202                                         ret= -11;*/
2203                                         goto err;
2204                                         }
2205
2206 #ifndef OPENSSL_NO_HEARTBEATS
2207                                 if ((buf[0] == 'B') &&
2208                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2209                                         {
2210                                         BIO_printf(bio_err,"HEARTBEATING\n");
2211                                         SSL_heartbeat(con);
2212                                         i=0;
2213                                         continue;
2214                                         }
2215 #endif
2216                                 if ((buf[0] == 'r') &&
2217                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2218                                         {
2219                                         SSL_renegotiate(con);
2220                                         i=SSL_do_handshake(con);
2221                                         printf("SSL_do_handshake -> %d\n",i);
2222                                         i=0; /*13; */
2223                                         continue;
2224                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2225                                         }
2226                                 if ((buf[0] == 'R') &&
2227                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2228                                         {
2229                                         SSL_set_verify(con,
2230                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2231                                         SSL_renegotiate(con);
2232                                         i=SSL_do_handshake(con);
2233                                         printf("SSL_do_handshake -> %d\n",i);
2234                                         i=0; /* 13; */
2235                                         continue;
2236                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2237                                         }
2238                                 if (buf[0] == 'P')
2239                                         {
2240                                         static const char *str="Lets print some clear text\n";
2241                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2242                                         }
2243                                 if (buf[0] == 'S')
2244                                         {
2245                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2246                                         }
2247                                 }
2248 #ifdef CHARSET_EBCDIC
2249                         ebcdic2ascii(buf,buf,i);
2250 #endif
2251                         l=k=0;
2252                         for (;;)
2253                                 {
2254                                 /* should do a select for the write */
2255 #ifdef RENEG
2256 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2257 #endif
2258                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2259 #ifndef OPENSSL_NO_SRP
2260                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2261                                         {
2262                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2263                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2264                                         if (srp_callback_parm.user)
2265                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2266                                         else
2267                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2268                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2269                                         }
2270 #endif
2271                                 switch (SSL_get_error(con,k))
2272                                         {
2273                                 case SSL_ERROR_NONE:
2274                                         break;
2275                                 case SSL_ERROR_WANT_WRITE:
2276                                 case SSL_ERROR_WANT_READ:
2277                                 case SSL_ERROR_WANT_X509_LOOKUP:
2278                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2279                                         break;
2280                                 case SSL_ERROR_SYSCALL:
2281                                 case SSL_ERROR_SSL:
2282                                         BIO_printf(bio_s_out,"ERROR\n");
2283                                         ERR_print_errors(bio_err);
2284                                         ret=1;
2285                                         goto err;
2286                                         /* break; */
2287                                 case SSL_ERROR_ZERO_RETURN:
2288                                         BIO_printf(bio_s_out,"DONE\n");
2289                                         ret=1;
2290                                         goto err;
2291                                         }
2292                                 l+=k;
2293                                 i-=k;
2294                                 if (i <= 0) break;
2295                                 }
2296                         }
2297                 if (read_from_sslcon)
2298                         {
2299                         if (!SSL_is_init_finished(con))
2300                                 {
2301                                 i=init_ssl_connection(con);
2302
2303                                 if (i < 0)
2304                                         {
2305                                         ret=0;
2306                                         goto err;
2307                                         }
2308                                 else if (i == 0)
2309                                         {
2310                                         ret=1;
2311                                         goto err;
2312                                         }
2313                                 }
2314                         else
2315                                 {
2316 again:
2317                                 i=SSL_read(con,(char *)buf,bufsize);
2318 #ifndef OPENSSL_NO_SRP
2319                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2320                                         {
2321                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2322                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2323                                         if (srp_callback_parm.user)
2324                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2325                                         else
2326                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2327                                         i=SSL_read(con,(char *)buf,bufsize);
2328                                         }
2329 #endif
2330                                 switch (SSL_get_error(con,i))
2331                                         {
2332                                 case SSL_ERROR_NONE:
2333 #ifdef CHARSET_EBCDIC
2334                                         ascii2ebcdic(buf,buf,i);
2335 #endif
2336                                         raw_write_stdout(buf,
2337                                                 (unsigned int)i);
2338                                         if (SSL_pending(con)) goto again;
2339                                         break;
2340                                 case SSL_ERROR_WANT_WRITE:
2341                                 case SSL_ERROR_WANT_READ:
2342                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2343                                         break;
2344                                 case SSL_ERROR_SYSCALL:
2345                                 case SSL_ERROR_SSL:
2346                                         BIO_printf(bio_s_out,"ERROR\n");
2347                                         ERR_print_errors(bio_err);
2348                                         ret=1;
2349                                         goto err;
2350                                 case SSL_ERROR_ZERO_RETURN:
2351                                         BIO_printf(bio_s_out,"DONE\n");
2352                                         ret=1;
2353                                         goto err;
2354                                         }
2355                                 }
2356                         }
2357                 }
2358 err:
2359         if (con != NULL)
2360                 {
2361                 BIO_printf(bio_s_out,"shutting down SSL\n");
2362 #if 1
2363                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2364 #else
2365                 SSL_shutdown(con);
2366 #endif
2367                 SSL_free(con);
2368                 }
2369         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2370         if (buf != NULL)
2371                 {
2372                 OPENSSL_cleanse(buf,bufsize);
2373                 OPENSSL_free(buf);
2374                 }
2375         if (ret >= 0)
2376                 BIO_printf(bio_s_out,"ACCEPT\n");
2377         return(ret);
2378         }
2379
2380 static void close_accept_socket(void)
2381         {
2382         BIO_printf(bio_err,"shutdown accept socket\n");
2383         if (accept_socket >= 0)
2384                 {
2385                 SHUTDOWN2(accept_socket);
2386                 }
2387         }
2388
2389 static int init_ssl_connection(SSL *con)
2390         {
2391         int i;
2392         const char *str;
2393         X509 *peer;
2394         long verify_error;
2395         MS_STATIC char buf[BUFSIZ];
2396 #ifndef OPENSSL_NO_KRB5
2397         char *client_princ;
2398 #endif
2399 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2400         const unsigned char *next_proto_neg;
2401         unsigned next_proto_neg_len;
2402 #endif
2403         unsigned char *exportedkeymat;
2404
2405
2406         i=SSL_accept(con);
2407 #ifndef OPENSSL_NO_SRP
2408         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2409                 {
2410                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2411                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2412                         if (srp_callback_parm.user)
2413                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2414                         else
2415                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2416                         i=SSL_accept(con);
2417                 }
2418 #endif
2419         if (i <= 0)
2420                 {
2421                 if (BIO_sock_should_retry(i))
2422                         {
2423                         BIO_printf(bio_s_out,"DELAY\n");
2424                         return(1);
2425                         }
2426
2427                 BIO_printf(bio_err,"ERROR\n");
2428                 verify_error=SSL_get_verify_result(con);
2429                 if (verify_error != X509_V_OK)
2430                         {
2431                         BIO_printf(bio_err,"verify error:%s\n",
2432                                 X509_verify_cert_error_string(verify_error));
2433                         }
2434                 else
2435                         ERR_print_errors(bio_err);
2436                 return(0);
2437                 }
2438
2439         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2440
2441         peer=SSL_get_peer_certificate(con);
2442         if (peer != NULL)
2443                 {
2444                 BIO_printf(bio_s_out,"Client certificate\n");
2445                 PEM_write_bio_X509(bio_s_out,peer);
2446                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2447                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2448                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2449                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2450                 X509_free(peer);
2451                 }
2452
2453         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2454                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2455         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2456         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2457
2458 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2459         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2460         if (next_proto_neg)
2461                 {
2462                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2463                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2464                 BIO_printf(bio_s_out, "\n");
2465                 }
2466 #endif
2467 #ifndef OPENSSL_NO_SRTP
2468         {
2469         SRTP_PROTECTION_PROFILE *srtp_profile
2470           = SSL_get_selected_srtp_profile(con);
2471
2472         if(srtp_profile)
2473                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2474                            srtp_profile->name);
2475         }
2476 #endif
2477         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2478         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2479                 TLS1_FLAGS_TLS_PADDING_BUG)
2480                 BIO_printf(bio_s_out,
2481                            "Peer has incorrect TLSv1 block padding\n");
2482 #ifndef OPENSSL_NO_KRB5
2483         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2484         if (client_princ != NULL)
2485                 {
2486                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2487                                                                 client_princ);
2488                 }
2489 #endif /* OPENSSL_NO_KRB5 */
2490         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2491                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2492         if (keymatexportlabel != NULL)
2493                 {
2494                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2495                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2496                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2497                            keymatexportlen);
2498                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2499                 if (exportedkeymat != NULL)
2500                         {
2501                         if (!SSL_export_keying_material(con, exportedkeymat,
2502                                                         keymatexportlen,
2503                                                         keymatexportlabel,
2504                                                         strlen(keymatexportlabel),
2505                                                         NULL, 0, 0))
2506                                 {
2507                                 BIO_printf(bio_s_out, "    Error\n");
2508                                 }
2509                         else
2510                                 {
2511                                 BIO_printf(bio_s_out, "    Keying material: ");
2512                                 for (i=0; i<keymatexportlen; i++)
2513                                         BIO_printf(bio_s_out, "%02X",
2514                                                    exportedkeymat[i]);
2515                                 BIO_printf(bio_s_out, "\n");
2516                                 }
2517                         OPENSSL_free(exportedkeymat);
2518                         }
2519                 }
2520
2521         return(1);
2522         }
2523
2524 #ifndef OPENSSL_NO_DH
2525 static DH *load_dh_param(const char *dhfile)
2526         {
2527         DH *ret=NULL;
2528         BIO *bio;
2529
2530         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2531                 goto err;
2532         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2533 err:
2534         if (bio != NULL) BIO_free(bio);
2535         return(ret);
2536         }
2537 #endif
2538 #ifndef OPENSSL_NO_KRB5
2539         char *client_princ;
2540 #endif
2541
2542 #if 0
2543 static int load_CA(SSL_CTX *ctx, char *file)
2544         {
2545         FILE *in;
2546         X509 *x=NULL;
2547
2548         if ((in=fopen(file,"r")) == NULL)
2549                 return(0);
2550
2551         for (;;)
2552                 {
2553                 if (PEM_read_X509(in,&x,NULL) == NULL)
2554                         break;
2555                 SSL_CTX_add_client_CA(ctx,x);
2556                 }
2557         if (x != NULL) X509_free(x);
2558         fclose(in);
2559         return(1);
2560         }
2561 #endif
2562
2563 static int www_body(char *hostname, int s, unsigned char *context)
2564         {
2565         char *buf=NULL;
2566         int ret=1;
2567         int i,j,k,dot;
2568         SSL *con;
2569         const SSL_CIPHER *c;
2570         BIO *io,*ssl_bio,*sbio;
2571 #ifndef OPENSSL_NO_KRB5
2572         KSSL_CTX *kctx;
2573 #endif
2574
2575         buf=OPENSSL_malloc(bufsize);
2576         if (buf == NULL) return(0);
2577         io=BIO_new(BIO_f_buffer());
2578         ssl_bio=BIO_new(BIO_f_ssl());
2579         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2580
2581 #ifdef FIONBIO
2582         if (s_nbio)
2583                 {
2584                 unsigned long sl=1;
2585
2586                 if (!s_quiet)
2587                         BIO_printf(bio_err,"turning on non blocking io\n");
2588                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2589                         ERR_print_errors(bio_err);
2590                 }
2591 #endif
2592
2593         /* lets make the output buffer a reasonable size */
2594         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2595
2596         if ((con=SSL_new(ctx)) == NULL) goto err;
2597 #ifndef OPENSSL_NO_TLSEXT
2598                 if (s_tlsextdebug)
2599                         {
2600                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2601                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2602                         }
2603 #endif
2604 #ifndef OPENSSL_NO_KRB5
2605         if ((kctx = kssl_ctx_new()) != NULL)
2606                 {
2607                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2608                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2609                 }
2610 #endif  /* OPENSSL_NO_KRB5 */
2611         if(context) SSL_set_session_id_context(con, context,
2612                                                strlen((char *)context));
2613
2614         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2615         if (s_nbio_test)
2616                 {
2617                 BIO *test;
2618
2619                 test=BIO_new(BIO_f_nbio_test());
2620                 sbio=BIO_push(test,sbio);
2621                 }
2622         SSL_set_bio(con,sbio,sbio);
2623         SSL_set_accept_state(con);
2624
2625         /* SSL_set_fd(con,s); */
2626         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2627         BIO_push(io,ssl_bio);
2628 #ifdef CHARSET_EBCDIC
2629         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2630 #endif
2631
2632         if (s_debug)
2633                 {
2634                 SSL_set_debug(con, 1);
2635                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2636                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2637                 }
2638         if (s_msg)
2639                 {
2640                 SSL_set_msg_callback(con, msg_cb);
2641                 SSL_set_msg_callback_arg(con, bio_s_out);
2642                 }
2643
2644         for (;;)
2645                 {
2646                 if (hack)
2647                         {
2648                         i=SSL_accept(con);
2649 #ifndef OPENSSL_NO_SRP
2650                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2651                 {
2652                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2653                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2654                         if (srp_callback_parm.user)
2655                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2656                         else
2657                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2658                         i=SSL_accept(con);
2659                 }
2660 #endif
2661                         switch (SSL_get_error(con,i))
2662                                 {
2663                         case SSL_ERROR_NONE:
2664                                 break;
2665                         case SSL_ERROR_WANT_WRITE:
2666                         case SSL_ERROR_WANT_READ:
2667                         case SSL_ERROR_WANT_X509_LOOKUP:
2668                                 continue;
2669                         case SSL_ERROR_SYSCALL:
2670                         case SSL_ERROR_SSL:
2671                         case SSL_ERROR_ZERO_RETURN:
2672                                 ret=1;
2673                                 goto err;
2674                                 /* break; */
2675                                 }
2676
2677                         SSL_renegotiate(con);
2678                         SSL_write(con,NULL,0);
2679                         }
2680
2681                 i=BIO_gets(io,buf,bufsize-1);
2682                 if (i < 0) /* error */
2683                         {
2684                         if (!BIO_should_retry(io))
2685                                 {
2686                                 if (!s_quiet)
2687                                         ERR_print_errors(bio_err);
2688                                 goto err;
2689                                 }
2690                         else
2691                                 {
2692                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2693 #if defined(OPENSSL_SYS_NETWARE)
2694             delay(1000);
2695 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2696                                 sleep(1);
2697 #endif
2698                                 continue;
2699                                 }
2700                         }
2701                 else if (i == 0) /* end of input */
2702                         {
2703                         ret=1;
2704                         goto end;
2705                         }
2706
2707                 /* else we have data */
2708                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2709                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2710                         {
2711                         char *p;
2712                         X509 *peer;
2713                         STACK_OF(SSL_CIPHER) *sk;
2714                         static const char *space="                          ";
2715
2716                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2717                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2718                         BIO_puts(io,"<pre>\n");
2719 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2720                         BIO_puts(io,"\n");
2721                         for (i=0; i<local_argc; i++)
2722                                 {
2723                                 BIO_puts(io,local_argv[i]);
2724                                 BIO_write(io," ",1);
2725                                 }
2726                         BIO_puts(io,"\n");
2727
2728                         BIO_printf(io,
2729                                 "Secure Renegotiation IS%s supported\n",
2730                                 SSL_get_secure_renegotiation_support(con) ?
2731                                                         "" : " NOT");
2732
2733                         /* The following is evil and should not really
2734                          * be done */
2735                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2736                         sk=SSL_get_ciphers(con);
2737                         j=sk_SSL_CIPHER_num(sk);
2738                         for (i=0; i<j; i++)
2739                                 {
2740                                 c=sk_SSL_CIPHER_value(sk,i);
2741                                 BIO_printf(io,"%-11s:%-25s",
2742                                         SSL_CIPHER_get_version(c),
2743                                         SSL_CIPHER_get_name(c));
2744                                 if ((((i+1)%2) == 0) && (i+1 != j))
2745                                         BIO_puts(io,"\n");
2746                                 }
2747                         BIO_puts(io,"\n");
2748                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2749                         if (p != NULL)
2750                                 {
2751                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2752                                 j=i=0;
2753                                 while (*p)
2754                                         {
2755                                         if (*p == ':')
2756                                                 {
2757                                                 BIO_write(io,space,26-j);
2758                                                 i++;
2759                                                 j=0;
2760                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2761                                                 }
2762                                         else
2763                                                 {
2764                                                 BIO_write(io,p,1);
2765                                                 j++;
2766                                                 }
2767                                         p++;
2768                                         }
2769                                 BIO_puts(io,"\n");
2770                                 }
2771                         BIO_printf(io,(SSL_cache_hit(con)
2772                                 ?"---\nReused, "
2773                                 :"---\nNew, "));
2774                         c=SSL_get_current_cipher(con);
2775                         BIO_printf(io,"%s, Cipher is %s\n",
2776                                 SSL_CIPHER_get_version(c),
2777                                 SSL_CIPHER_get_name(c));
2778                         SSL_SESSION_print(io,SSL_get_session(con));
2779                         BIO_printf(io,"---\n");
2780                         print_stats(io,SSL_get_SSL_CTX(con));
2781                         BIO_printf(io,"---\n");
2782                         peer=SSL_get_peer_certificate(con);
2783                         if (peer != NULL)
2784                                 {
2785                                 BIO_printf(io,"Client certificate\n");
2786                                 X509_print(io,peer);
2787                                 PEM_write_bio_X509(io,peer);
2788                                 }
2789                         else
2790                                 BIO_puts(io,"no client certificate available\n");
2791                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2792                         break;
2793                         }
2794                 else if ((www == 2 || www == 3)
2795                          && (strncmp("GET /",buf,5) == 0))
2796                         {
2797                         BIO *file;
2798                         char *p,*e;
2799                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2800
2801                         /* skip the '/' */
2802                         p= &(buf[5]);
2803
2804                         dot = 1;
2805                         for (e=p; *e != '\0'; e++)
2806                                 {
2807                                 if (e[0] == ' ')
2808                                         break;
2809
2810                                 switch (dot)
2811                                         {
2812                                 case 1:
2813                                         dot = (e[0] == '.') ? 2 : 0;
2814                                         break;
2815                                 case 2:
2816                                         dot = (e[0] == '.') ? 3 : 0;
2817                                         break;
2818                                 case 3:
2819                                         dot = (e[0] == '/') ? -1 : 0;
2820                                         break;
2821                                         }
2822                                 if (dot == 0)
2823                                         dot = (e[0] == '/') ? 1 : 0;
2824                                 }
2825                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2826
2827                         if (*e == '\0')
2828                                 {
2829                                 BIO_puts(io,text);
2830                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2831                                 break;
2832                                 }
2833                         *e='\0';
2834
2835                         if (dot)
2836                                 {
2837                                 BIO_puts(io,text);
2838                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2839                                 break;
2840                                 }
2841
2842                         if (*p == '/')
2843                                 {
2844                                 BIO_puts(io,text);
2845                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2846                                 break;
2847                                 }
2848
2849 #if 0
2850                         /* append if a directory lookup */
2851                         if (e[-1] == '/')
2852                                 strcat(p,"index.html");
2853 #endif
2854
2855                         /* if a directory, do the index thang */
2856                         if (app_isdir(p)>0)
2857                                 {
2858 #if 0 /* must check buffer size */
2859                                 strcat(p,"/index.html");
2860 #else
2861                                 BIO_puts(io,text);
2862                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2863                                 break;
2864 #endif
2865                                 }
2866
2867                         if ((file=BIO_new_file(p,"r")) == NULL)
2868                                 {
2869                                 BIO_puts(io,text);
2870                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2871                                 ERR_print_errors(io);
2872                                 break;
2873                                 }
2874
2875                         if (!s_quiet)
2876                                 BIO_printf(bio_err,"FILE:%s\n",p);
2877
2878                         if (www == 2)
2879                                 {
2880                                 i=strlen(p);
2881                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2882                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2883                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2884                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2885                                 else
2886                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2887                                 }
2888                         /* send the file */
2889                         for (;;)
2890                                 {
2891                                 i=BIO_read(file,buf,bufsize);
2892                                 if (i <= 0) break;
2893
2894 #ifdef RENEG
2895                                 total_bytes+=i;
2896                                 fprintf(stderr,"%d\n",i);
2897                                 if (total_bytes > 3*1024)
2898                                         {
2899                                         total_bytes=0;
2900                                         fprintf(stderr,"RENEGOTIATE\n");
2901                                         SSL_renegotiate(con);
2902                                         }
2903 #endif
2904
2905                                 for (j=0; j<i; )
2906                                         {
2907 #ifdef RENEG
2908 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2909 #endif
2910                                         k=BIO_write(io,&(buf[j]),i-j);
2911                                         if (k <= 0)
2912                                                 {
2913                                                 if (!BIO_should_retry(io))
2914                                                         goto write_error;
2915                                                 else
2916                                                         {
2917                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2918                                                         }
2919                                                 }
2920                                         else
2921                                                 {
2922                                                 j+=k;
2923                                                 }
2924                                         }
2925                                 }
2926 write_error:
2927                         BIO_free(file);
2928                         break;
2929                         }
2930                 }
2931
2932         for (;;)
2933                 {
2934                 i=(int)BIO_flush(io);
2935                 if (i <= 0)
2936                         {
2937                         if (!BIO_should_retry(io))
2938                                 break;
2939                         }
2940                 else
2941                         break;
2942                 }
2943 end:
2944 #if 1
2945         /* make sure we re-use sessions */
2946         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2947 #else
2948         /* This kills performance */
2949 /*      SSL_shutdown(con); A shutdown gets sent in the
2950  *      BIO_free_all(io) procession */
2951 #endif
2952
2953 err:
2954
2955         if (ret >= 0)
2956                 BIO_printf(bio_s_out,"ACCEPT\n");
2957
2958         if (buf != NULL) OPENSSL_free(buf);
2959         if (io != NULL) BIO_free_all(io);
2960 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2961         return(ret);
2962         }
2963
2964 #ifndef OPENSSL_NO_RSA
2965 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2966         {
2967         BIGNUM *bn = NULL;
2968         static RSA *rsa_tmp=NULL;
2969
2970         if (!rsa_tmp && ((bn = BN_new()) == NULL))
2971                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2972         if (!rsa_tmp && bn)
2973                 {
2974                 if (!s_quiet)
2975                         {
2976                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2977                         (void)BIO_flush(bio_err);
2978                         }
2979                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2980                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2981                         {
2982                         if(rsa_tmp) RSA_free(rsa_tmp);
2983                         rsa_tmp = NULL;
2984                         }
2985                 if (!s_quiet)
2986                         {
2987                         BIO_printf(bio_err,"\n");
2988                         (void)BIO_flush(bio_err);
2989                         }
2990                 BN_free(bn);
2991                 }
2992         return(rsa_tmp);
2993         }
2994 #endif
2995
2996 #define MAX_SESSION_ID_ATTEMPTS 10
2997 static int generate_session_id(const SSL *ssl, unsigned char *id,
2998                                 unsigned int *id_len)
2999         {
3000         unsigned int count = 0;
3001         do      {
3002                 RAND_pseudo_bytes(id, *id_len);
3003                 /* Prefix the session_id with the required prefix. NB: If our
3004                  * prefix is too long, clip it - but there will be worse effects
3005                  * anyway, eg. the server could only possibly create 1 session
3006                  * ID (ie. the prefix!) so all future session negotiations will
3007                  * fail due to conflicts. */
3008                 memcpy(id, session_id_prefix,
3009                         (strlen(session_id_prefix) < *id_len) ?
3010                         strlen(session_id_prefix) : *id_len);
3011                 }
3012         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3013                 (++count < MAX_SESSION_ID_ATTEMPTS));
3014         if(count >= MAX_SESSION_ID_ATTEMPTS)
3015                 return 0;
3016         return 1;
3017         }