crypto/openssl/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_dh2048(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 dh2048_p[] = {
 226     0xF6,0x42,0x57,0xB7,0x08,0x7F,0x08,0x17,0x72,0xA2,0xBA,0xD6,
 227     0xA9,0x42,0xF3,0x05,0xE8,0xF9,0x53,0x11,0x39,0x4F,0xB6,0xF1,
 228     0x6E,0xB9,0x4B,0x38,0x20,0xDA,0x01,0xA7,0x56,0xA3,0x14,0xE9,
 229     0x8F,0x40,0x55,0xF3,0xD0,0x07,0xC6,0xCB,0x43,0xA9,0x94,0xAD,
 230     0xF7,0x4C,0x64,0x86,0x49,0xF8,0x0C,0x83,0xBD,0x65,0xE9,0x17,
 231     0xD4,0xA1,0xD3,0x50,0xF8,0xF5,0x59,0x5F,0xDC,0x76,0x52,0x4F,
 232     0x3D,0x3D,0x8D,0xDB,0xCE,0x99,0xE1,0x57,0x92,0x59,0xCD,0xFD,
 233     0xB8,0xAE,0x74,0x4F,0xC5,0xFC,0x76,0xBC,0x83,0xC5,0x47,0x30,
 234     0x61,0xCE,0x7C,0xC9,0x66,0xFF,0x15,0xF9,0xBB,0xFD,0x91,0x5E,
 235     0xC7,0x01,0xAA,0xD3,0x5B,0x9E,0x8D,0xA0,0xA5,0x72,0x3A,0xD4,
 236     0x1A,0xF0,0xBF,0x46,0x00,0x58,0x2B,0xE5,0xF4,0x88,0xFD,0x58,
 237     0x4E,0x49,0xDB,0xCD,0x20,0xB4,0x9D,0xE4,0x91,0x07,0x36,0x6B,
 238     0x33,0x6C,0x38,0x0D,0x45,0x1D,0x0F,0x7C,0x88,0xB3,0x1C,0x7C,
 239     0x5B,0x2D,0x8E,0xF6,0xF3,0xC9,0x23,0xC0,0x43,0xF0,0xA5,0x5B,
 240     0x18,0x8D,0x8E,0xBB,0x55,0x8C,0xB8,0x5D,0x38,0xD3,0x34,0xFD,
 241     0x7C,0x17,0x57,0x43,0xA3,0x1D,0x18,0x6C,0xDE,0x33,0x21,0x2C,
 242     0xB5,0x2A,0xFF,0x3C,0xE1,0xB1,0x29,0x40,0x18,0x11,0x8D,0x7C,
 243     0x84,0xA7,0x0A,0x72,0xD6,0x86,0xC4,0x03,0x19,0xC8,0x07,0x29,
 244     0x7A,0xCA,0x95,0x0C,0xD9,0x96,0x9F,0xAB,0xD0,0x0A,0x50,0x9B,
 245     0x02,0x46,0xD3,0x08,0x3D,0x66,0xA4,0x5D,0x41,0x9F,0x9C,0x7C,
 246     0xBD,0x89,0x4B,0x22,0x19,0x26,0xBA,0xAB,0xA2,0x5E,0xC3,0x55,
 247     0xE9,0x32,0x0B,0x3B,
 248 };
 249
 250 static unsigned char dh2048_g[] = {
 251         0x02,
 252 };
 253
 254 DH *get_dh2048()
 255 {
 256     DH *dh;
 257
 258     if ((dh = DH_new()) == NULL)
 259         return NULL;
 260     dh->p=BN_bin2bn(dh2048_p, sizeof(dh2048_p), NULL);
 261     dh->g=BN_bin2bn(dh2048_g, sizeof(dh2048_g), NULL);
 262     if (dh->p == NULL || dh->g == NULL) {
 263         DH_free(dh);
 264         return NULL;
 265         }
 266     return dh;
 267 }
 268 #endif
 269
 270
 271 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 272
 273 #undef BUFSIZZ
 274 #define BUFSIZZ 16*1024
 275 static int bufsize=BUFSIZZ;
 276 static int accept_socket= -1;
 277
 278 #define TEST_CERT       "server.pem"
 279 #ifndef OPENSSL_NO_TLSEXT
 280 #define TEST_CERT2      "server2.pem"
 281 #endif
 282 #undef PROG
 283 #define PROG            s_server_main
 284
 285 extern int verify_depth, verify_return_error;
 286
 287 static char *cipher=NULL;
 288 static int s_server_verify=SSL_VERIFY_NONE;
 289 static int s_server_session_id_context = 1; /* anything will do */
 290 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
 291 #ifndef OPENSSL_NO_TLSEXT
 292 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 293 #endif
 294 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 295 #ifdef FIONBIO
 296 static int s_nbio=0;
 297 #endif
 298 static int s_nbio_test=0;
 299 int s_crlf=0;
 300 static SSL_CTX *ctx=NULL;
 301 #ifndef OPENSSL_NO_TLSEXT
 302 static SSL_CTX *ctx2=NULL;
 303 #endif
 304 static int www=0;
 305
 306 static BIO *bio_s_out=NULL;
 307 static int s_debug=0;
 308 #ifndef OPENSSL_NO_TLSEXT
 309 static int s_tlsextdebug=0;
 310 static int s_tlsextstatus=0;
 311 static int cert_status_cb(SSL *s, void *arg);
 312 #endif
 313 static int s_msg=0;
 314 static int s_quiet=0;
 315
 316 static char *keymatexportlabel=NULL;
 317 static int keymatexportlen=20;
 318
 319 static int hack=0;
 320 #ifndef OPENSSL_NO_ENGINE
 321 static char *engine_id=NULL;
 322 #endif
 323 static const char *session_id_prefix=NULL;
 324
 325 static int enable_timeouts = 0;
 326 static long socket_mtu;
 327 #ifndef OPENSSL_NO_DTLS1
 328 static int cert_chain = 0;
 329 #endif
 330
 331
 332 #ifndef OPENSSL_NO_PSK
 333 static char *psk_identity="Client_identity";
 334 char *psk_key=NULL; /* by default PSK is not used */
 335
 336 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 337         unsigned char *psk, unsigned int max_psk_len)
 338         {
 339         unsigned int psk_len = 0;
 340         int ret;
 341         BIGNUM *bn = NULL;
 342
 343         if (s_debug)
 344                 BIO_printf(bio_s_out,"psk_server_cb\n");
 345         if (!identity)
 346                 {
 347                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 348                 goto out_err;
 349                 }
 350         if (s_debug)
 351                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 352                         identity ? (int)strlen(identity) : 0, identity);
 353
 354         /* here we could lookup the given identity e.g. from a database */
 355         if (strcmp(identity, psk_identity) != 0)
 356                 {
 357                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 358                            " (got '%s' expected '%s')\n", identity,
 359                            psk_identity);
 360                 goto out_err;
 361                 }
 362         if (s_debug)
 363                 BIO_printf(bio_s_out, "PSK client identity found\n");
 364
 365         /* convert the PSK key to binary */
 366         ret = BN_hex2bn(&bn, psk_key);
 367         if (!ret)
 368                 {
 369                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 370                 if (bn)
 371                         BN_free(bn);
 372                 return 0;
 373                 }
 374         if (BN_num_bytes(bn) > (int)max_psk_len)
 375                 {
 376                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 377                         max_psk_len, BN_num_bytes(bn));
 378                 BN_free(bn);
 379                 return 0;
 380                 }
 381
 382         ret = BN_bn2bin(bn, psk);
 383         BN_free(bn);
 384
 385         if (ret < 0)
 386                 goto out_err;
 387         psk_len = (unsigned int)ret;
 388
 389         if (s_debug)
 390                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 391         return psk_len;
 392  out_err:
 393         if (s_debug)
 394                 BIO_printf(bio_err, "Error in PSK server callback\n");
 395         return 0;
 396         }
 397 #endif
 398
 399 #ifndef OPENSSL_NO_SRP
 400 /* This is a context that we pass to callbacks */
 401 typedef struct srpsrvparm_st
 402         {
 403         char *login;
 404         SRP_VBASE *vb;
 405         SRP_user_pwd *user;
 406         } srpsrvparm;
 407
 408 /* This callback pretends to require some asynchronous logic in order to obtain
 409    a verifier. When the callback is called for a new connection we return
 410    with a negative value. This will provoke the accept etc to return with
 411    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 412    (which would normally occur after a worker has finished) and we
 413    set the user parameters.
 414 */
 415 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 416         {
 417         srpsrvparm *p = (srpsrvparm *)arg;
 418         if (p->login == NULL && p->user == NULL )
 419                 {
 420                 p->login = SSL_get_srp_username(s);
 421                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 422                 return (-1) ;
 423                 }
 424
 425         if (p->user == NULL)
 426                 {
 427                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 428                 return SSL3_AL_FATAL;
 429                 }
 430         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 431                                      p->user->info) < 0)
 432                 {
 433                 *ad = SSL_AD_INTERNAL_ERROR;
 434                 return SSL3_AL_FATAL;
 435                 }
 436         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 437         /* need to check whether there are memory leaks */
 438         p->user = NULL;
 439         p->login = NULL;
 440         return SSL_ERROR_NONE;
 441         }
 442
 443 #endif
 444
 445 #ifdef MONOLITH
 446 static void s_server_init(void)
 447         {
 448         accept_socket=-1;
 449         cipher=NULL;
 450         s_server_verify=SSL_VERIFY_NONE;
 451         s_dcert_file=NULL;
 452         s_dkey_file=NULL;
 453         s_cert_file=TEST_CERT;
 454         s_key_file=NULL;
 455 #ifndef OPENSSL_NO_TLSEXT
 456         s_cert_file2=TEST_CERT2;
 457         s_key_file2=NULL;
 458         ctx2=NULL;
 459 #endif
 460 #ifdef FIONBIO
 461         s_nbio=0;
 462 #endif
 463         s_nbio_test=0;
 464         ctx=NULL;
 465         www=0;
 466
 467         bio_s_out=NULL;
 468         s_debug=0;
 469         s_msg=0;
 470         s_quiet=0;
 471         hack=0;
 472 #ifndef OPENSSL_NO_ENGINE
 473         engine_id=NULL;
 474 #endif
 475         }
 476 #endif
 477
 478 static void sv_usage(void)
 479         {
 480         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 481         BIO_printf(bio_err,"\n");
 482         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 483         BIO_printf(bio_err," -context arg  - set session ID context\n");
 484         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 485         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 486         BIO_printf(bio_err," -verify_return_error - return verification errors\n");
 487         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 488         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 489         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 490                            "                 The CRL(s) are appended to the certificate file\n");
 491         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 492                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 493                            "                 the certificate file.\n");
 494         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 495         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 496         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 497         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 498         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 499         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 500         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 501         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 502         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 503         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 504         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 505         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 506 #ifndef OPENSSL_NO_ECDH
 507         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 508                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 509                            "                 (default is nistp256).\n");
 510 #endif
 511 #ifdef FIONBIO
 512         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 513 #endif
 514         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 515         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 516         BIO_printf(bio_err," -debug        - Print more output\n");
 517         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 518         BIO_printf(bio_err," -state        - Print the SSL states\n");
 519         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 520         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 521         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 522         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 523         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 524         BIO_printf(bio_err," -quiet        - No server output\n");
 525         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 526 #ifndef OPENSSL_NO_PSK
 527         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 528         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 529 # ifndef OPENSSL_NO_JPAKE
 530         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 531 # endif
 532 #endif
 533 #ifndef OPENSSL_NO_SRP
 534         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 535         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 536 #endif
 537         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 538 #ifndef OPENSSL_NO_SSL3_METHOD
 539         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 540 #endif
 541         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 542         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 543         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 544         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 545         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 546         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 547         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 548         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 549         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 550         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 551         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 552         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 553 #ifndef OPENSSL_NO_DH
 554         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 555 #endif
 556 #ifndef OPENSSL_NO_ECDH
 557         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 558 #endif
 559         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 560         BIO_printf(bio_err," -hack         - workaround for early Netscape code\n");
 561         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 562         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 563         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 564         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 565 #ifndef OPENSSL_NO_ENGINE
 566         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 567 #endif
 568         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 569         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 570 #ifndef OPENSSL_NO_TLSEXT
 571         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 572         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 573         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 574         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 575         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 576         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 577         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 578         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 579         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 580 # ifndef OPENSSL_NO_NEXTPROTONEG
 581         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 582 # endif
 583 # ifndef OPENSSL_NO_SRTP
 584         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 585 # endif
 586 #endif
 587         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 588         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 589         BIO_printf(bio_err," -status           - respond to certificate status requests\n");
 590         BIO_printf(bio_err," -status_verbose   - enable status request verbose printout\n");
 591         BIO_printf(bio_err," -status_timeout n - status request responder timeout\n");
 592         BIO_printf(bio_err," -status_url URL   - status request fallback URL\n");
 593         }
 594
 595 static int local_argc=0;
 596 static char **local_argv;
 597
 598 #ifdef CHARSET_EBCDIC
 599 static int ebcdic_new(BIO *bi);
 600 static int ebcdic_free(BIO *a);
 601 static int ebcdic_read(BIO *b, char *out, int outl);
 602 static int ebcdic_write(BIO *b, const char *in, int inl);
 603 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 604 static int ebcdic_gets(BIO *bp, char *buf, int size);
 605 static int ebcdic_puts(BIO *bp, const char *str);
 606
 607 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 608 static BIO_METHOD methods_ebcdic=
 609         {
 610         BIO_TYPE_EBCDIC_FILTER,
 611         "EBCDIC/ASCII filter",
 612         ebcdic_write,
 613         ebcdic_read,
 614         ebcdic_puts,
 615         ebcdic_gets,
 616         ebcdic_ctrl,
 617         ebcdic_new,
 618         ebcdic_free,
 619         };
 620
 621 typedef struct
 622 {
 623         size_t  alloced;
 624         char    buff[1];
 625 } EBCDIC_OUTBUFF;
 626
 627 BIO_METHOD *BIO_f_ebcdic_filter()
 628 {
 629         return(&methods_ebcdic);
 630 }
 631
 632 static int ebcdic_new(BIO *bi)
 633 {
 634         EBCDIC_OUTBUFF *wbuf;
 635
 636         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 637         wbuf->alloced = 1024;
 638         wbuf->buff[0] = '\0';
 639
 640         bi->ptr=(char *)wbuf;
 641         bi->init=1;
 642         bi->flags=0;
 643         return(1);
 644 }
 645
 646 static int ebcdic_free(BIO *a)
 647 {
 648         if (a == NULL) return(0);
 649         if (a->ptr != NULL)
 650                 OPENSSL_free(a->ptr);
 651         a->ptr=NULL;
 652         a->init=0;
 653         a->flags=0;
 654         return(1);
 655 }
 656
 657 static int ebcdic_read(BIO *b, char *out, int outl)
 658 {
 659         int ret=0;
 660
 661         if (out == NULL || outl == 0) return(0);
 662         if (b->next_bio == NULL) return(0);
 663
 664         ret=BIO_read(b->next_bio,out,outl);
 665         if (ret > 0)
 666                 ascii2ebcdic(out,out,ret);
 667         return(ret);
 668 }
 669
 670 static int ebcdic_write(BIO *b, const char *in, int inl)
 671 {
 672         EBCDIC_OUTBUFF *wbuf;
 673         int ret=0;
 674         int num;
 675         unsigned char n;
 676
 677         if ((in == NULL) || (inl <= 0)) return(0);
 678         if (b->next_bio == NULL) return(0);
 679
 680         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 681
 682         if (inl > (num = wbuf->alloced))
 683         {
 684                 num = num + num;  /* double the size */
 685                 if (num < inl)
 686                         num = inl;
 687                 OPENSSL_free(wbuf);
 688                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 689
 690                 wbuf->alloced = num;
 691                 wbuf->buff[0] = '\0';
 692
 693                 b->ptr=(char *)wbuf;
 694         }
 695
 696         ebcdic2ascii(wbuf->buff, in, inl);
 697
 698         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 699
 700         return(ret);
 701 }
 702
 703 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 704 {
 705         long ret;
 706
 707         if (b->next_bio == NULL) return(0);
 708         switch (cmd)
 709         {
 710         case BIO_CTRL_DUP:
 711                 ret=0L;
 712                 break;
 713         default:
 714                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 715                 break;
 716         }
 717         return(ret);
 718 }
 719
 720 static int ebcdic_gets(BIO *bp, char *buf, int size)
 721 {
 722         int i, ret=0;
 723         if (bp->next_bio == NULL) return(0);
 724 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 725         for (i=0; i<size-1; ++i)
 726         {
 727                 ret = ebcdic_read(bp,&buf[i],1);
 728                 if (ret <= 0)
 729                         break;
 730                 else if (buf[i] == '\n')
 731                 {
 732                         ++i;
 733                         break;
 734                 }
 735         }
 736         if (i < size)
 737                 buf[i] = '\0';
 738         return (ret < 0 && i == 0) ? ret : i;
 739 }
 740
 741 static int ebcdic_puts(BIO *bp, const char *str)
 742 {
 743         if (bp->next_bio == NULL) return(0);
 744         return ebcdic_write(bp, str, strlen(str));
 745 }
 746 #endif
 747
 748 #ifndef OPENSSL_NO_TLSEXT
 749
 750 /* This is a context that we pass to callbacks */
 751 typedef struct tlsextctx_st {
 752    char * servername;
 753    BIO * biodebug;
 754    int extension_error;
 755 } tlsextctx;
 756
 757
 758 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 759         {
 760         tlsextctx * p = (tlsextctx *) arg;
 761         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 762         if (servername && p->biodebug)
 763                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 764
 765         if (!p->servername)
 766                 return SSL_TLSEXT_ERR_NOACK;
 767
 768         if (servername)
 769                 {
 770                 if (strcasecmp(servername,p->servername))
 771                         return p->extension_error;
 772                 if (ctx2)
 773                         {
 774                         BIO_printf(p->biodebug,"Switching server context.\n");
 775                         SSL_set_SSL_CTX(s,ctx2);
 776                         }
 777                 }
 778         return SSL_TLSEXT_ERR_OK;
 779 }
 780
 781 /* Structure passed to cert status callback */
 782
 783 typedef struct tlsextstatusctx_st {
 784    /* Default responder to use */
 785    char *host, *path, *port;
 786    int use_ssl;
 787    int timeout;
 788    BIO *err;
 789    int verbose;
 790 } tlsextstatusctx;
 791
 792 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 793
 794 /* Certificate Status callback. This is called when a client includes a
 795  * certificate status request extension.
 796  *
 797  * This is a simplified version. It examines certificates each time and
 798  * makes one OCSP responder query for each request.
 799  *
 800  * A full version would store details such as the OCSP certificate IDs and
 801  * minimise the number of OCSP responses by caching them until they were
 802  * considered "expired".
 803  */
 804
 805 static int cert_status_cb(SSL *s, void *arg)
 806         {
 807         tlsextstatusctx *srctx = arg;
 808         BIO *err = srctx->err;
 809         char *host, *port, *path;
 810         int use_ssl;
 811         unsigned char *rspder = NULL;
 812         int rspderlen;
 813         STACK_OF(OPENSSL_STRING) *aia = NULL;
 814         X509 *x = NULL;
 815         X509_STORE_CTX inctx;
 816         X509_OBJECT obj;
 817         OCSP_REQUEST *req = NULL;
 818         OCSP_RESPONSE *resp = NULL;
 819         OCSP_CERTID *id = NULL;
 820         STACK_OF(X509_EXTENSION) *exts;
 821         int ret = SSL_TLSEXT_ERR_NOACK;
 822         int i;
 823 #if 0
 824 STACK_OF(OCSP_RESPID) *ids;
 825 SSL_get_tlsext_status_ids(s, &ids);
 826 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 827 #endif
 828         if (srctx->verbose)
 829                 BIO_puts(err, "cert_status: callback called\n");
 830         /* Build up OCSP query from server certificate */
 831         x = SSL_get_certificate(s);
 832         aia = X509_get1_ocsp(x);
 833         if (aia)
 834                 {
 835                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 836                         &host, &port, &path, &use_ssl))
 837                         {
 838                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 839                         goto err;
 840                         }
 841                 if (srctx->verbose)
 842                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 843                                         sk_OPENSSL_STRING_value(aia, 0));
 844                 }
 845         else
 846                 {
 847                 if (!srctx->host)
 848                         {
 849                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 850                         goto done;
 851                         }
 852                 host = srctx->host;
 853                 path = srctx->path;
 854                 port = srctx->port;
 855                 use_ssl = srctx->use_ssl;
 856                 }
 857
 858         if (!X509_STORE_CTX_init(&inctx,
 859                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 860                                 NULL, NULL))
 861                 goto err;
 862         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 863                                 X509_get_issuer_name(x),&obj) <= 0)
 864                 {
 865                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 866                 X509_STORE_CTX_cleanup(&inctx);
 867                 goto done;
 868                 }
 869         req = OCSP_REQUEST_new();
 870         if (!req)
 871                 goto err;
 872         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 873         X509_free(obj.data.x509);
 874         X509_STORE_CTX_cleanup(&inctx);
 875         if (!id)
 876                 goto err;
 877         if (!OCSP_request_add0_id(req, id))
 878                 goto err;
 879         id = NULL;
 880         /* Add any extensions to the request */
 881         SSL_get_tlsext_status_exts(s, &exts);
 882         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 883                 {
 884                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 885                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 886                         goto err;
 887                 }
 888         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 889                                         srctx->timeout);
 890         if (!resp)
 891                 {
 892                 BIO_puts(err, "cert_status: error querying responder\n");
 893                 goto done;
 894                 }
 895         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 896         if (rspderlen <= 0)
 897                 goto err;
 898         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 899         if (srctx->verbose)
 900                 {
 901                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 902                 OCSP_RESPONSE_print(err, resp, 2);
 903                 }
 904         ret = SSL_TLSEXT_ERR_OK;
 905         done:
 906         if (ret != SSL_TLSEXT_ERR_OK)
 907                 ERR_print_errors(err);
 908         if (aia)
 909                 {
 910                 OPENSSL_free(host);
 911                 OPENSSL_free(path);
 912                 OPENSSL_free(port);
 913                 X509_email_free(aia);
 914                 }
 915         if (id)
 916                 OCSP_CERTID_free(id);
 917         if (req)
 918                 OCSP_REQUEST_free(req);
 919         if (resp)
 920                 OCSP_RESPONSE_free(resp);
 921         return ret;
 922         err:
 923         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 924         goto done;
 925         }
 926
 927 # ifndef OPENSSL_NO_NEXTPROTONEG
 928 /* This is the context that we pass to next_proto_cb */
 929 typedef struct tlsextnextprotoctx_st {
 930         unsigned char *data;
 931         unsigned int len;
 932 } tlsextnextprotoctx;
 933
 934 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 935         {
 936         tlsextnextprotoctx *next_proto = arg;
 937
 938         *data = next_proto->data;
 939         *len = next_proto->len;
 940
 941         return SSL_TLSEXT_ERR_OK;
 942         }
 943 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 944
 945
 946 #endif
 947
 948 int MAIN(int, char **);
 949
 950 #ifndef OPENSSL_NO_JPAKE
 951 static char *jpake_secret = NULL;
 952 #endif
 953 #ifndef OPENSSL_NO_SRP
 954         static srpsrvparm srp_callback_parm;
 955 #endif
 956 #ifndef OPENSSL_NO_SRTP
 957 static char *srtp_profiles = NULL;
 958 #endif
 959
 960 int MAIN(int argc, char *argv[])
 961         {
 962         X509_VERIFY_PARAM *vpm = NULL;
 963         int badarg = 0;
 964         short port=PORT;
 965         char *CApath=NULL,*CAfile=NULL;
 966         unsigned char *context = NULL;
 967         char *dhfile = NULL;
 968 #ifndef OPENSSL_NO_ECDH
 969         char *named_curve = NULL;
 970 #endif
 971         int badop=0,bugs=0;
 972         int ret=1;
 973         int off=0;
 974         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 975         int state=0;
 976         const SSL_METHOD *meth=NULL;
 977         int socket_type=SOCK_STREAM;
 978         ENGINE *e=NULL;
 979         char *inrand=NULL;
 980         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 981         char *passarg = NULL, *pass = NULL;
 982         char *dpassarg = NULL, *dpass = NULL;
 983         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 984         X509 *s_cert = NULL, *s_dcert = NULL;
 985         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 986         int no_cache = 0;
 987 #ifndef OPENSSL_NO_TLSEXT
 988         EVP_PKEY *s_key2 = NULL;
 989         X509 *s_cert2 = NULL;
 990         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 991 # ifndef OPENSSL_NO_NEXTPROTONEG
 992         const char *next_proto_neg_in = NULL;
 993         tlsextnextprotoctx next_proto;
 994 # endif
 995 #endif
 996 #ifndef OPENSSL_NO_PSK
 997         /* by default do not send a PSK identity hint */
 998         static char *psk_identity_hint=NULL;
 999 #endif
1000 #ifndef OPENSSL_NO_SRP
1001         char *srpuserseed = NULL;
1002         char *srp_verifier_file = NULL;
1003 #endif
1004         meth=SSLv23_server_method();
1005
1006         local_argc=argc;
1007         local_argv=argv;
1008
1009         apps_startup();
1010 #ifdef MONOLITH
1011         s_server_init();
1012 #endif
1013
1014         if (bio_err == NULL)
1015                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1016
1017         if (!load_config(bio_err, NULL))
1018                 goto end;
1019
1020         verify_depth=0;
1021 #ifdef FIONBIO
1022         s_nbio=0;
1023 #endif
1024         s_nbio_test=0;
1025
1026         argc--;
1027         argv++;
1028
1029         while (argc >= 1)
1030                 {
1031                 if      ((strcmp(*argv,"-port") == 0) ||
1032                          (strcmp(*argv,"-accept") == 0))
1033                         {
1034                         if (--argc < 1) goto bad;
1035                         if (!extract_port(*(++argv),&port))
1036                                 goto bad;
1037                         }
1038                 else if (strcmp(*argv,"-verify") == 0)
1039                         {
1040                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1041                         if (--argc < 1) goto bad;
1042                         verify_depth=atoi(*(++argv));
1043                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1044                         }
1045                 else if (strcmp(*argv,"-Verify") == 0)
1046                         {
1047                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1048                                 SSL_VERIFY_CLIENT_ONCE;
1049                         if (--argc < 1) goto bad;
1050                         verify_depth=atoi(*(++argv));
1051                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1052                         }
1053                 else if (strcmp(*argv,"-context") == 0)
1054                         {
1055                         if (--argc < 1) goto bad;
1056                         context= (unsigned char *)*(++argv);
1057                         }
1058                 else if (strcmp(*argv,"-cert") == 0)
1059                         {
1060                         if (--argc < 1) goto bad;
1061                         s_cert_file= *(++argv);
1062                         }
1063                 else if (strcmp(*argv,"-certform") == 0)
1064                         {
1065                         if (--argc < 1) goto bad;
1066                         s_cert_format = str2fmt(*(++argv));
1067                         }
1068                 else if (strcmp(*argv,"-key") == 0)
1069                         {
1070                         if (--argc < 1) goto bad;
1071                         s_key_file= *(++argv);
1072                         }
1073                 else if (strcmp(*argv,"-keyform") == 0)
1074                         {
1075                         if (--argc < 1) goto bad;
1076                         s_key_format = str2fmt(*(++argv));
1077                         }
1078                 else if (strcmp(*argv,"-pass") == 0)
1079                         {
1080                         if (--argc < 1) goto bad;
1081                         passarg = *(++argv);
1082                         }
1083                 else if (strcmp(*argv,"-dhparam") == 0)
1084                         {
1085                         if (--argc < 1) goto bad;
1086                         dhfile = *(++argv);
1087                         }
1088 #ifndef OPENSSL_NO_ECDH
1089                 else if (strcmp(*argv,"-named_curve") == 0)
1090                         {
1091                         if (--argc < 1) goto bad;
1092                         named_curve = *(++argv);
1093                         }
1094 #endif
1095                 else if (strcmp(*argv,"-dcertform") == 0)
1096                         {
1097                         if (--argc < 1) goto bad;
1098                         s_dcert_format = str2fmt(*(++argv));
1099                         }
1100                 else if (strcmp(*argv,"-dcert") == 0)
1101                         {
1102                         if (--argc < 1) goto bad;
1103                         s_dcert_file= *(++argv);
1104                         }
1105                 else if (strcmp(*argv,"-dkeyform") == 0)
1106                         {
1107                         if (--argc < 1) goto bad;
1108                         s_dkey_format = str2fmt(*(++argv));
1109                         }
1110                 else if (strcmp(*argv,"-dpass") == 0)
1111                         {
1112                         if (--argc < 1) goto bad;
1113                         dpassarg = *(++argv);
1114                         }
1115                 else if (strcmp(*argv,"-dkey") == 0)
1116                         {
1117                         if (--argc < 1) goto bad;
1118                         s_dkey_file= *(++argv);
1119                         }
1120                 else if (strcmp(*argv,"-nocert") == 0)
1121                         {
1122                         nocert=1;
1123                         }
1124                 else if (strcmp(*argv,"-CApath") == 0)
1125                         {
1126                         if (--argc < 1) goto bad;
1127                         CApath= *(++argv);
1128                         }
1129                 else if (strcmp(*argv,"-no_cache") == 0)
1130                         no_cache = 1;
1131                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1132                         {
1133                         if (badarg)
1134                                 goto bad;
1135                         continue;
1136                         }
1137                 else if (strcmp(*argv,"-verify_return_error") == 0)
1138                         verify_return_error = 1;
1139                 else if (strcmp(*argv,"-serverpref") == 0)
1140                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1141                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1142                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1143                 else if (strcmp(*argv,"-cipher") == 0)
1144                         {
1145                         if (--argc < 1) goto bad;
1146                         cipher= *(++argv);
1147                         }
1148                 else if (strcmp(*argv,"-CAfile") == 0)
1149                         {
1150                         if (--argc < 1) goto bad;
1151                         CAfile= *(++argv);
1152                         }
1153 #ifdef FIONBIO
1154                 else if (strcmp(*argv,"-nbio") == 0)
1155                         { s_nbio=1; }
1156 #endif
1157                 else if (strcmp(*argv,"-nbio_test") == 0)
1158                         {
1159 #ifdef FIONBIO
1160                         s_nbio=1;
1161 #endif
1162                         s_nbio_test=1;
1163                         }
1164                 else if (strcmp(*argv,"-debug") == 0)
1165                         { s_debug=1; }
1166 #ifndef OPENSSL_NO_TLSEXT
1167                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1168                         s_tlsextdebug=1;
1169                 else if (strcmp(*argv,"-status") == 0)
1170                         s_tlsextstatus=1;
1171                 else if (strcmp(*argv,"-status_verbose") == 0)
1172                         {
1173                         s_tlsextstatus=1;
1174                         tlscstatp.verbose = 1;
1175                         }
1176                 else if (!strcmp(*argv, "-status_timeout"))
1177                         {
1178                         s_tlsextstatus=1;
1179                         if (--argc < 1) goto bad;
1180                         tlscstatp.timeout = atoi(*(++argv));
1181                         }
1182                 else if (!strcmp(*argv, "-status_url"))
1183                         {
1184                         s_tlsextstatus=1;
1185                         if (--argc < 1) goto bad;
1186                         if (!OCSP_parse_url(*(++argv),
1187                                         &tlscstatp.host,
1188                                         &tlscstatp.port,
1189                                         &tlscstatp.path,
1190                                         &tlscstatp.use_ssl))
1191                                 {
1192                                 BIO_printf(bio_err, "Error parsing URL\n");
1193                                 goto bad;
1194                                 }
1195                         }
1196 #endif
1197                 else if (strcmp(*argv,"-msg") == 0)
1198                         { s_msg=1; }
1199                 else if (strcmp(*argv,"-hack") == 0)
1200                         { hack=1; }
1201                 else if (strcmp(*argv,"-state") == 0)
1202                         { state=1; }
1203                 else if (strcmp(*argv,"-crlf") == 0)
1204                         { s_crlf=1; }
1205                 else if (strcmp(*argv,"-quiet") == 0)
1206                         { s_quiet=1; }
1207                 else if (strcmp(*argv,"-bugs") == 0)
1208                         { bugs=1; }
1209                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1210                         { no_tmp_rsa=1; }
1211                 else if (strcmp(*argv,"-no_dhe") == 0)
1212                         { no_dhe=1; }
1213                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1214                         { no_ecdhe=1; }
1215 #ifndef OPENSSL_NO_PSK
1216                 else if (strcmp(*argv,"-psk_hint") == 0)
1217                         {
1218                         if (--argc < 1) goto bad;
1219                         psk_identity_hint= *(++argv);
1220                         }
1221                 else if (strcmp(*argv,"-psk") == 0)
1222                         {
1223                         size_t i;
1224
1225                         if (--argc < 1) goto bad;
1226                         psk_key=*(++argv);
1227                         for (i=0; i<strlen(psk_key); i++)
1228                                 {
1229                                 if (isxdigit((unsigned char)psk_key[i]))
1230                                         continue;
1231                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1232                                 goto bad;
1233                                 }
1234                         }
1235 #endif
1236 #ifndef OPENSSL_NO_SRP
1237                 else if (strcmp(*argv, "-srpvfile") == 0)
1238                         {
1239                         if (--argc < 1) goto bad;
1240                         srp_verifier_file = *(++argv);
1241                         meth = TLSv1_server_method();
1242                         }
1243                 else if (strcmp(*argv, "-srpuserseed") == 0)
1244                         {
1245                         if (--argc < 1) goto bad;
1246                         srpuserseed = *(++argv);
1247                         meth = TLSv1_server_method();
1248                         }
1249 #endif
1250                 else if (strcmp(*argv,"-www") == 0)
1251                         { www=1; }
1252                 else if (strcmp(*argv,"-WWW") == 0)
1253                         { www=2; }
1254                 else if (strcmp(*argv,"-HTTP") == 0)
1255                         { www=3; }
1256                 else if (strcmp(*argv,"-no_ssl2") == 0)
1257                         { off|=SSL_OP_NO_SSLv2; }
1258                 else if (strcmp(*argv,"-no_ssl3") == 0)
1259                         { off|=SSL_OP_NO_SSLv3; }
1260                 else if (strcmp(*argv,"-no_tls1") == 0)
1261                         { off|=SSL_OP_NO_TLSv1; }
1262                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1263                         { off|=SSL_OP_NO_TLSv1_1; }
1264                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1265                         { off|=SSL_OP_NO_TLSv1_2; }
1266                 else if (strcmp(*argv,"-no_comp") == 0)
1267                         { off|=SSL_OP_NO_COMPRESSION; }
1268 #ifndef OPENSSL_NO_TLSEXT
1269                 else if (strcmp(*argv,"-no_ticket") == 0)
1270                         { off|=SSL_OP_NO_TICKET; }
1271 #endif
1272 #ifndef OPENSSL_NO_SSL2
1273                 else if (strcmp(*argv,"-ssl2") == 0)
1274                         { meth=SSLv2_server_method(); }
1275 #endif
1276 #ifndef OPENSSL_NO_SSL3_METHOD
1277                 else if (strcmp(*argv,"-ssl3") == 0)
1278                         { meth=SSLv3_server_method(); }
1279 #endif
1280 #ifndef OPENSSL_NO_TLS1
1281                 else if (strcmp(*argv,"-tls1") == 0)
1282                         { meth=TLSv1_server_method(); }
1283                 else if (strcmp(*argv,"-tls1_1") == 0)
1284                         { meth=TLSv1_1_server_method(); }
1285                 else if (strcmp(*argv,"-tls1_2") == 0)
1286                         { meth=TLSv1_2_server_method(); }
1287 #endif
1288 #ifndef OPENSSL_NO_DTLS1
1289                 else if (strcmp(*argv,"-dtls1") == 0)
1290                         {
1291                         meth=DTLSv1_server_method();
1292                         socket_type = SOCK_DGRAM;
1293                         }
1294                 else if (strcmp(*argv,"-timeout") == 0)
1295                         enable_timeouts = 1;
1296                 else if (strcmp(*argv,"-mtu") == 0)
1297                         {
1298                         if (--argc < 1) goto bad;
1299                         socket_mtu = atol(*(++argv));
1300                         }
1301                 else if (strcmp(*argv, "-chain") == 0)
1302                         cert_chain = 1;
1303 #endif
1304                 else if (strcmp(*argv, "-id_prefix") == 0)
1305                         {
1306                         if (--argc < 1) goto bad;
1307                         session_id_prefix = *(++argv);
1308                         }
1309 #ifndef OPENSSL_NO_ENGINE
1310                 else if (strcmp(*argv,"-engine") == 0)
1311                         {
1312                         if (--argc < 1) goto bad;
1313                         engine_id= *(++argv);
1314                         }
1315 #endif
1316                 else if (strcmp(*argv,"-rand") == 0)
1317                         {
1318                         if (--argc < 1) goto bad;
1319                         inrand= *(++argv);
1320                         }
1321 #ifndef OPENSSL_NO_TLSEXT
1322                 else if (strcmp(*argv,"-servername") == 0)
1323                         {
1324                         if (--argc < 1) goto bad;
1325                         tlsextcbp.servername= *(++argv);
1326                         }
1327                 else if (strcmp(*argv,"-servername_fatal") == 0)
1328                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1329                 else if (strcmp(*argv,"-cert2") == 0)
1330                         {
1331                         if (--argc < 1) goto bad;
1332                         s_cert_file2= *(++argv);
1333                         }
1334                 else if (strcmp(*argv,"-key2") == 0)
1335                         {
1336                         if (--argc < 1) goto bad;
1337                         s_key_file2= *(++argv);
1338                         }
1339 # ifndef OPENSSL_NO_NEXTPROTONEG
1340                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1341                         {
1342                         if (--argc < 1) goto bad;
1343                         next_proto_neg_in = *(++argv);
1344                         }
1345 # endif
1346 #endif
1347 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1348                 else if (strcmp(*argv,"-jpake") == 0)
1349                         {
1350                         if (--argc < 1) goto bad;
1351                         jpake_secret = *(++argv);
1352                         }
1353 #endif
1354 #ifndef OPENSSL_NO_SRTP
1355                 else if (strcmp(*argv,"-use_srtp") == 0)
1356                         {
1357                         if (--argc < 1) goto bad;
1358                         srtp_profiles = *(++argv);
1359                         }
1360 #endif
1361                 else if (strcmp(*argv,"-keymatexport") == 0)
1362                         {
1363                         if (--argc < 1) goto bad;
1364                         keymatexportlabel= *(++argv);
1365                         }
1366                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1367                         {
1368                         if (--argc < 1) goto bad;
1369                         keymatexportlen=atoi(*(++argv));
1370                         if (keymatexportlen == 0) goto bad;
1371                         }
1372                 else
1373                         {
1374                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1375                         badop=1;
1376                         break;
1377                         }
1378                 argc--;
1379                 argv++;
1380                 }
1381         if (badop)
1382                 {
1383 bad:
1384                 sv_usage();
1385                 goto end;
1386                 }
1387 #ifndef OPENSSL_NO_DTLS1
1388         if (www && socket_type == SOCK_DGRAM)
1389                 {
1390                 BIO_printf(bio_err,
1391                                 "Can't use -HTTP, -www or -WWW with DTLS\n");
1392                 goto end;
1393                 }
1394 #endif
1395
1396 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1397         if (jpake_secret)
1398                 {
1399                 if (psk_key)
1400                         {
1401                         BIO_printf(bio_err,
1402                                    "Can't use JPAKE and PSK together\n");
1403                         goto end;
1404                         }
1405                 psk_identity = "JPAKE";
1406                 if (cipher)
1407                         {
1408                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1409                         goto end;
1410                         }
1411                 cipher = "PSK";
1412                 }
1413
1414 #endif
1415
1416         SSL_load_error_strings();
1417         OpenSSL_add_ssl_algorithms();
1418
1419 #ifndef OPENSSL_NO_ENGINE
1420         e = setup_engine(bio_err, engine_id, 1);
1421 #endif
1422
1423         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1424                 {
1425                 BIO_printf(bio_err, "Error getting password\n");
1426                 goto end;
1427                 }
1428
1429
1430         if (s_key_file == NULL)
1431                 s_key_file = s_cert_file;
1432 #ifndef OPENSSL_NO_TLSEXT
1433         if (s_key_file2 == NULL)
1434                 s_key_file2 = s_cert_file2;
1435 #endif
1436
1437         if (nocert == 0)
1438                 {
1439                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1440                        "server certificate private key file");
1441                 if (!s_key)
1442                         {
1443                         ERR_print_errors(bio_err);
1444                         goto end;
1445                         }
1446
1447                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1448                         NULL, e, "server certificate file");
1449
1450                 if (!s_cert)
1451                         {
1452                         ERR_print_errors(bio_err);
1453                         goto end;
1454                         }
1455
1456 #ifndef OPENSSL_NO_TLSEXT
1457                 if (tlsextcbp.servername)
1458                         {
1459                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1460                                 "second server certificate private key file");
1461                         if (!s_key2)
1462                                 {
1463                                 ERR_print_errors(bio_err);
1464                                 goto end;
1465                                 }
1466
1467                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1468                                 NULL, e, "second server certificate file");
1469
1470                         if (!s_cert2)
1471                                 {
1472                                 ERR_print_errors(bio_err);
1473                                 goto end;
1474                                 }
1475                         }
1476 #endif
1477                 }
1478
1479 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1480         if (next_proto_neg_in)
1481                 {
1482                 unsigned short len;
1483                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1484                 if (next_proto.data == NULL)
1485                         goto end;
1486                 next_proto.len = len;
1487                 }
1488         else
1489                 {
1490                 next_proto.data = NULL;
1491                 }
1492 #endif
1493
1494
1495         if (s_dcert_file)
1496                 {
1497
1498                 if (s_dkey_file == NULL)
1499                         s_dkey_file = s_dcert_file;
1500
1501                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1502                                 0, dpass, e,
1503                                "second certificate private key file");
1504                 if (!s_dkey)
1505                         {
1506                         ERR_print_errors(bio_err);
1507                         goto end;
1508                         }
1509
1510                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1511                                 NULL, e, "second server certificate file");
1512
1513                 if (!s_dcert)
1514                         {
1515                         ERR_print_errors(bio_err);
1516                         goto end;
1517                         }
1518
1519                 }
1520
1521         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1522                 && !RAND_status())
1523                 {
1524                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1525                 }
1526         if (inrand != NULL)
1527                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1528                         app_RAND_load_files(inrand));
1529
1530         if (bio_s_out == NULL)
1531                 {
1532                 if (s_quiet && !s_debug && !s_msg)
1533                         {
1534                         bio_s_out=BIO_new(BIO_s_null());
1535                         }
1536                 else
1537                         {
1538                         if (bio_s_out == NULL)
1539                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1540                         }
1541                 }
1542
1543 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1544         if (nocert)
1545 #endif
1546                 {
1547                 s_cert_file=NULL;
1548                 s_key_file=NULL;
1549                 s_dcert_file=NULL;
1550                 s_dkey_file=NULL;
1551 #ifndef OPENSSL_NO_TLSEXT
1552                 s_cert_file2=NULL;
1553                 s_key_file2=NULL;
1554 #endif
1555                 }
1556
1557         ctx=SSL_CTX_new(meth);
1558         if (ctx == NULL)
1559                 {
1560                 ERR_print_errors(bio_err);
1561                 goto end;
1562                 }
1563         if (session_id_prefix)
1564                 {
1565                 if(strlen(session_id_prefix) >= 32)
1566                         BIO_printf(bio_err,
1567 "warning: id_prefix is too long, only one new session will be possible\n");
1568                 else if(strlen(session_id_prefix) >= 16)
1569                         BIO_printf(bio_err,
1570 "warning: id_prefix is too long if you use SSLv2\n");
1571                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1572                         {
1573                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1574                         ERR_print_errors(bio_err);
1575                         goto end;
1576                         }
1577                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1578                 }
1579         SSL_CTX_set_quiet_shutdown(ctx,1);
1580         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1581         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1582         SSL_CTX_set_options(ctx,off);
1583         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1584          * Setting read ahead solves this problem.
1585          */
1586         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1587
1588         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1589         if (no_cache)
1590                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1591         else
1592                 SSL_CTX_sess_set_cache_size(ctx,128);
1593
1594 #ifndef OPENSSL_NO_SRTP
1595         if (srtp_profiles != NULL)
1596                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1597 #endif
1598
1599 #if 0
1600         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1601 #endif
1602
1603 #if 0
1604         if (s_cert_file == NULL)
1605                 {
1606                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1607                 goto end;
1608                 }
1609 #endif
1610
1611         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1612                 (!SSL_CTX_set_default_verify_paths(ctx)))
1613                 {
1614                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1615                 ERR_print_errors(bio_err);
1616                 /* goto end; */
1617                 }
1618         if (vpm)
1619                 SSL_CTX_set1_param(ctx, vpm);
1620
1621 #ifndef OPENSSL_NO_TLSEXT
1622         if (s_cert2)
1623                 {
1624                 ctx2=SSL_CTX_new(meth);
1625                 if (ctx2 == NULL)
1626                         {
1627                         ERR_print_errors(bio_err);
1628                         goto end;
1629                         }
1630                 }
1631
1632         if (ctx2)
1633                 {
1634                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1635
1636                 if (session_id_prefix)
1637                         {
1638                         if(strlen(session_id_prefix) >= 32)
1639                                 BIO_printf(bio_err,
1640                                         "warning: id_prefix is too long, only one new session will be possible\n");
1641                         else if(strlen(session_id_prefix) >= 16)
1642                                 BIO_printf(bio_err,
1643                                         "warning: id_prefix is too long if you use SSLv2\n");
1644                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1645                                 {
1646                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1647                                 ERR_print_errors(bio_err);
1648                                 goto end;
1649                                 }
1650                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1651                         }
1652                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1653                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1654                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1655                 SSL_CTX_set_options(ctx2,off);
1656                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1657                  * Setting read ahead solves this problem.
1658                  */
1659                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1660
1661                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1662
1663                 if (no_cache)
1664                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1665                 else
1666                         SSL_CTX_sess_set_cache_size(ctx2,128);
1667
1668                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1669                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1670                         {
1671                         ERR_print_errors(bio_err);
1672                         }
1673                 if (vpm)
1674                         SSL_CTX_set1_param(ctx2, vpm);
1675                 }
1676
1677 # ifndef OPENSSL_NO_NEXTPROTONEG
1678         if (next_proto.data)
1679                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1680 # endif
1681 #endif
1682
1683 #ifndef OPENSSL_NO_DH
1684     if (!no_dhe) {
1685         DH *dh = NULL;
1686
1687                 if (dhfile)
1688                         dh = load_dh_param(dhfile);
1689                 else if (s_cert_file)
1690                         dh = load_dh_param(s_cert_file);
1691
1692         if (dh != NULL) {
1693             BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1694         } else {
1695             BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1696             dh = get_dh2048();
1697             if (dh == NULL) {
1698                 ERR_print_errors(bio_err);
1699                 goto end;
1700                         }
1701                         }
1702                 (void)BIO_flush(bio_s_out);
1703
1704         SSL_CTX_set_tmp_dh(ctx, dh);
1705 # ifndef OPENSSL_NO_TLSEXT
1706         if (ctx2) {
1707             if (!dhfile) {
1708                 DH *dh2 = load_dh_param(s_cert_file2);
1709                 if (dh2 != NULL) {
1710                     BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1711                                         (void)BIO_flush(bio_s_out);
1712
1713                                         DH_free(dh);
1714                                         dh = dh2;
1715                                         }
1716                                 }
1717             SSL_CTX_set_tmp_dh(ctx2, dh);
1718                         }
1719 # endif
1720                 DH_free(dh);
1721                 }
1722 #endif
1723
1724 #ifndef OPENSSL_NO_ECDH
1725         if (!no_ecdhe)
1726                 {
1727                 EC_KEY *ecdh=NULL;
1728
1729                 if (named_curve)
1730                         {
1731                         int nid = OBJ_sn2nid(named_curve);
1732
1733                         if (nid == 0)
1734                                 {
1735                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1736                                         named_curve);
1737                                 goto end;
1738                                 }
1739                         ecdh = EC_KEY_new_by_curve_name(nid);
1740                         if (ecdh == NULL)
1741                                 {
1742                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1743                                         named_curve);
1744                                 goto end;
1745                                 }
1746                         }
1747
1748                 if (ecdh != NULL)
1749                         {
1750                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1751                         }
1752                 else
1753                         {
1754                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1755                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1756                         if (ecdh == NULL)
1757                                 {
1758                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1759                                 goto end;
1760                                 }
1761                         }
1762                 (void)BIO_flush(bio_s_out);
1763
1764                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1765 #ifndef OPENSSL_NO_TLSEXT
1766                 if (ctx2)
1767                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1768 #endif
1769                 EC_KEY_free(ecdh);
1770                 }
1771 #endif
1772
1773         if (!set_cert_key_stuff(ctx, s_cert, s_key))
1774                 goto end;
1775 #ifndef OPENSSL_NO_TLSEXT
1776         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1777                 goto end;
1778 #endif
1779         if (s_dcert != NULL)
1780                 {
1781                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1782                         goto end;
1783                 }
1784
1785 #ifndef OPENSSL_NO_RSA
1786 #if 1
1787         if (!no_tmp_rsa)
1788                 {
1789                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1790 #ifndef OPENSSL_NO_TLSEXT
1791                 if (ctx2)
1792                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1793 #endif
1794                 }
1795 #else
1796         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1797                 {
1798                 RSA *rsa;
1799
1800                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1801                 BIO_flush(bio_s_out);
1802
1803                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1804
1805                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1806                         {
1807                         ERR_print_errors(bio_err);
1808                         goto end;
1809                         }
1810 #ifndef OPENSSL_NO_TLSEXT
1811                         if (ctx2)
1812                                 {
1813                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1814                                         {
1815                                         ERR_print_errors(bio_err);
1816                                         goto end;
1817                                         }
1818                                 }
1819 #endif
1820                 RSA_free(rsa);
1821                 BIO_printf(bio_s_out,"\n");
1822                 }
1823 #endif
1824 #endif
1825
1826 #ifndef OPENSSL_NO_PSK
1827 #ifdef OPENSSL_NO_JPAKE
1828         if (psk_key != NULL)
1829 #else
1830         if (psk_key != NULL || jpake_secret)
1831 #endif
1832                 {
1833                 if (s_debug)
1834                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1835                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1836                 }
1837
1838         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1839                 {
1840                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1841                 ERR_print_errors(bio_err);
1842                 goto end;
1843                 }
1844 #endif
1845
1846         if (cipher != NULL)
1847                 {
1848                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1849                         {
1850                         BIO_printf(bio_err,"error setting cipher list\n");
1851                         ERR_print_errors(bio_err);
1852                         goto end;
1853                         }
1854 #ifndef OPENSSL_NO_TLSEXT
1855                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1856                         {
1857                         BIO_printf(bio_err,"error setting cipher list\n");
1858                         ERR_print_errors(bio_err);
1859                         goto end;
1860                         }
1861 #endif
1862                 }
1863         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1864         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1865                 sizeof s_server_session_id_context);
1866
1867         /* Set DTLS cookie generation and verification callbacks */
1868         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1869         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1870
1871 #ifndef OPENSSL_NO_TLSEXT
1872         if (ctx2)
1873                 {
1874                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1875                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1876                         sizeof s_server_session_id_context);
1877
1878                 tlsextcbp.biodebug = bio_s_out;
1879                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1880                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1881                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1882                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1883                 }
1884 #endif
1885
1886 #ifndef OPENSSL_NO_SRP
1887         if (srp_verifier_file != NULL)
1888                 {
1889                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1890                 srp_callback_parm.user = NULL;
1891                 srp_callback_parm.login = NULL;
1892                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1893                         {
1894                         BIO_printf(bio_err,
1895                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1896                                    srp_verifier_file, ret);
1897                                 goto end;
1898                         }
1899                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1900                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1901                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1902                 }
1903         else
1904 #endif
1905         if (CAfile != NULL)
1906                 {
1907                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1908 #ifndef OPENSSL_NO_TLSEXT
1909                 if (ctx2)
1910                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1911 #endif
1912                 }
1913
1914         BIO_printf(bio_s_out,"ACCEPT\n");
1915         (void)BIO_flush(bio_s_out);
1916         if (www)
1917                 do_server(port,socket_type,&accept_socket,www_body, context);
1918         else
1919                 do_server(port,socket_type,&accept_socket,sv_body, context);
1920         print_stats(bio_s_out,ctx);
1921         ret=0;
1922 end:
1923         if (ctx != NULL) SSL_CTX_free(ctx);
1924         if (s_cert)
1925                 X509_free(s_cert);
1926         if (s_dcert)
1927                 X509_free(s_dcert);
1928         if (s_key)
1929                 EVP_PKEY_free(s_key);
1930         if (s_dkey)
1931                 EVP_PKEY_free(s_dkey);
1932         if (pass)
1933                 OPENSSL_free(pass);
1934         if (dpass)
1935                 OPENSSL_free(dpass);
1936         if (vpm)
1937                 X509_VERIFY_PARAM_free(vpm);
1938 #ifndef OPENSSL_NO_TLSEXT
1939         if (tlscstatp.host)
1940                 OPENSSL_free(tlscstatp.host);
1941         if (tlscstatp.port)
1942                 OPENSSL_free(tlscstatp.port);
1943         if (tlscstatp.path)
1944                 OPENSSL_free(tlscstatp.path);
1945         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1946         if (s_cert2)
1947                 X509_free(s_cert2);
1948         if (s_key2)
1949                 EVP_PKEY_free(s_key2);
1950 #endif
1951         if (bio_s_out != NULL)
1952                 {
1953         BIO_free(bio_s_out);
1954                 bio_s_out=NULL;
1955                 }
1956         apps_shutdown();
1957         OPENSSL_EXIT(ret);
1958         }
1959
1960 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1961         {
1962         BIO_printf(bio,"%4ld items in the session cache\n",
1963                 SSL_CTX_sess_number(ssl_ctx));
1964         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1965                 SSL_CTX_sess_connect(ssl_ctx));
1966         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1967                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1968         BIO_printf(bio,"%4ld client connects that finished\n",
1969                 SSL_CTX_sess_connect_good(ssl_ctx));
1970         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1971                 SSL_CTX_sess_accept(ssl_ctx));
1972         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1973                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1974         BIO_printf(bio,"%4ld server accepts that finished\n",
1975                 SSL_CTX_sess_accept_good(ssl_ctx));
1976         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1977         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1978         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1979         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1980         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1981                 SSL_CTX_sess_cache_full(ssl_ctx),
1982                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1983         }
1984
1985 static int sv_body(char *hostname, int s, unsigned char *context)
1986         {
1987         char *buf=NULL;
1988         fd_set readfds;
1989         int ret=1,width;
1990         int k,i;
1991         unsigned long l;
1992         SSL *con=NULL;
1993         BIO *sbio;
1994 #ifndef OPENSSL_NO_KRB5
1995         KSSL_CTX *kctx;
1996 #endif
1997         struct timeval timeout;
1998 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1999         struct timeval tv;
2000 #else
2001         struct timeval *timeoutp;
2002 #endif
2003
2004         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2005                 {
2006                 BIO_printf(bio_err,"out of memory\n");
2007                 goto err;
2008                 }
2009 #ifdef FIONBIO
2010         if (s_nbio)
2011                 {
2012                 unsigned long sl=1;
2013
2014                 if (!s_quiet)
2015                         BIO_printf(bio_err,"turning on non blocking io\n");
2016                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2017                         ERR_print_errors(bio_err);
2018                 }
2019 #endif
2020
2021         if (con == NULL) {
2022                 con=SSL_new(ctx);
2023 #ifndef OPENSSL_NO_TLSEXT
2024         if (s_tlsextdebug)
2025                 {
2026                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2027                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2028                 }
2029         if (s_tlsextstatus)
2030                 {
2031                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2032                 tlscstatp.err = bio_err;
2033                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2034                 }
2035 #endif
2036 #ifndef OPENSSL_NO_KRB5
2037                 if ((kctx = kssl_ctx_new()) != NULL)
2038                         {
2039                         SSL_set0_kssl_ctx(con, kctx);
2040                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2041                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2042                         }
2043 #endif  /* OPENSSL_NO_KRB5 */
2044                 if(context)
2045                       SSL_set_session_id_context(con, context,
2046                                                  strlen((char *)context));
2047         }
2048         SSL_clear(con);
2049 #if 0
2050 #ifdef TLSEXT_TYPE_opaque_prf_input
2051         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2052 #endif
2053 #endif
2054
2055         if (SSL_version(con) == DTLS1_VERSION)
2056                 {
2057
2058                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2059
2060                 if (enable_timeouts)
2061                         {
2062                         timeout.tv_sec = 0;
2063                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2064                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2065
2066                         timeout.tv_sec = 0;
2067                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2068                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2069                         }
2070
2071                 if (socket_mtu)
2072                         {
2073                         if(socket_mtu < DTLS_get_link_min_mtu(con))
2074                                 {
2075                                 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
2076                                         DTLS_get_link_min_mtu(con));
2077                                 ret = -1;
2078                                 BIO_free(sbio);
2079                                 goto err;
2080                                 }
2081                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2082                         if(!DTLS_set_link_mtu(con, socket_mtu))
2083                                 {
2084                                 BIO_printf(bio_err, "Failed to set MTU\n");
2085                                 ret = -1;
2086                                 BIO_free(sbio);
2087                                 goto err;
2088                                 }
2089                         }
2090                 else
2091                         /* want to do MTU discovery */
2092                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2093
2094         /* turn on cookie exchange */
2095         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2096                 }
2097         else
2098                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2099
2100         if (s_nbio_test)
2101                 {
2102                 BIO *test;
2103
2104                 test=BIO_new(BIO_f_nbio_test());
2105                 sbio=BIO_push(test,sbio);
2106                 }
2107 #ifndef OPENSSL_NO_JPAKE
2108         if(jpake_secret)
2109                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2110 #endif
2111
2112         SSL_set_bio(con,sbio,sbio);
2113         SSL_set_accept_state(con);
2114         /* SSL_set_fd(con,s); */
2115
2116         if (s_debug)
2117                 {
2118                 SSL_set_debug(con, 1);
2119                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2120                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2121                 }
2122         if (s_msg)
2123                 {
2124                 SSL_set_msg_callback(con, msg_cb);
2125                 SSL_set_msg_callback_arg(con, bio_s_out);
2126                 }
2127 #ifndef OPENSSL_NO_TLSEXT
2128         if (s_tlsextdebug)
2129                 {
2130                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2131                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2132                 }
2133 #endif
2134
2135         width=s+1;
2136         for (;;)
2137                 {
2138                 int read_from_terminal;
2139                 int read_from_sslcon;
2140
2141                 read_from_terminal = 0;
2142                 read_from_sslcon = SSL_pending(con);
2143
2144                 if (!read_from_sslcon)
2145                         {
2146                         FD_ZERO(&readfds);
2147 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2148                         openssl_fdset(fileno(stdin),&readfds);
2149 #endif
2150                         openssl_fdset(s,&readfds);
2151                         /* Note: under VMS with SOCKETSHR the second parameter is
2152                          * currently of type (int *) whereas under other systems
2153                          * it is (void *) if you don't have a cast it will choke
2154                          * the compiler: if you do have a cast then you can either
2155                          * go for (int *) or (void *).
2156                          */
2157 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2158                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2159                          * on sockets. As a workaround we timeout the select every
2160                          * second and check for any keypress. In a proper Windows
2161                          * application we wouldn't do this because it is inefficient.
2162                          */
2163                         tv.tv_sec = 1;
2164                         tv.tv_usec = 0;
2165                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2166                         if((i < 0) || (!i && !_kbhit() ) )continue;
2167                         if(_kbhit())
2168                                 read_from_terminal = 1;
2169 #elif defined(OPENSSL_SYS_BEOS_R5)
2170                         /* Under BeOS-R5 the situation is similar to DOS */
2171                         tv.tv_sec = 1;
2172                         tv.tv_usec = 0;
2173                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2174                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2175                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2176                                 continue;
2177                         if (read(fileno(stdin), buf, 0) >= 0)
2178                                 read_from_terminal = 1;
2179                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2180 #else
2181                         if ((SSL_version(con) == DTLS1_VERSION) &&
2182                                 DTLSv1_get_timeout(con, &timeout))
2183                                 timeoutp = &timeout;
2184                         else
2185                                 timeoutp = NULL;
2186
2187                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2188
2189                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2190                                 {
2191                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2192                                 }
2193
2194                         if (i <= 0) continue;
2195                         if (FD_ISSET(fileno(stdin),&readfds))
2196                                 read_from_terminal = 1;
2197 #endif
2198                         if (FD_ISSET(s,&readfds))
2199                                 read_from_sslcon = 1;
2200                         }
2201                 if (read_from_terminal)
2202                         {
2203                         if (s_crlf)
2204                                 {
2205                                 int j, lf_num;
2206
2207                                 i=raw_read_stdin(buf, bufsize/2);
2208                                 lf_num = 0;
2209                                 /* both loops are skipped when i <= 0 */
2210                                 for (j = 0; j < i; j++)
2211                                         if (buf[j] == '\n')
2212                                                 lf_num++;
2213                                 for (j = i-1; j >= 0; j--)
2214                                         {
2215                                         buf[j+lf_num] = buf[j];
2216                                         if (buf[j] == '\n')
2217                                                 {
2218                                                 lf_num--;
2219                                                 i++;
2220                                                 buf[j+lf_num] = '\r';
2221                                                 }
2222                                         }
2223                                 assert(lf_num == 0);
2224                                 }
2225                         else
2226                                 i=raw_read_stdin(buf,bufsize);
2227                         if (!s_quiet)
2228                                 {
2229                                 if ((i <= 0) || (buf[0] == 'Q'))
2230                                         {
2231                                         BIO_printf(bio_s_out,"DONE\n");
2232                                         SHUTDOWN(s);
2233                                         close_accept_socket();
2234                                         ret= -11;
2235                                         goto err;
2236                                         }
2237                                 if ((i <= 0) || (buf[0] == 'q'))
2238                                         {
2239                                         BIO_printf(bio_s_out,"DONE\n");
2240                                         if (SSL_version(con) != DTLS1_VERSION)
2241                         SHUTDOWN(s);
2242         /*                              close_accept_socket();
2243                                         ret= -11;*/
2244                                         goto err;
2245                                         }
2246
2247 #ifndef OPENSSL_NO_HEARTBEATS
2248                                 if ((buf[0] == 'B') &&
2249                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2250                                         {
2251                                         BIO_printf(bio_err,"HEARTBEATING\n");
2252                                         SSL_heartbeat(con);
2253                                         i=0;
2254                                         continue;
2255                                         }
2256 #endif
2257                                 if ((buf[0] == 'r') &&
2258                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2259                                         {
2260                                         SSL_renegotiate(con);
2261                                         i=SSL_do_handshake(con);
2262                                         printf("SSL_do_handshake -> %d\n",i);
2263                                         i=0; /*13; */
2264                                         continue;
2265                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2266                                         }
2267                                 if ((buf[0] == 'R') &&
2268                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2269                                         {
2270                                         SSL_set_verify(con,
2271                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2272                                         SSL_renegotiate(con);
2273                                         i=SSL_do_handshake(con);
2274                                         printf("SSL_do_handshake -> %d\n",i);
2275                                         i=0; /* 13; */
2276                                         continue;
2277                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2278                                         }
2279                                 if (buf[0] == 'P')
2280                                         {
2281                                         static const char *str="Lets print some clear text\n";
2282                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2283                                         }
2284                                 if (buf[0] == 'S')
2285                                         {
2286                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2287                                         }
2288                                 }
2289 #ifdef CHARSET_EBCDIC
2290                         ebcdic2ascii(buf,buf,i);
2291 #endif
2292                         l=k=0;
2293                         for (;;)
2294                                 {
2295                                 /* should do a select for the write */
2296 #ifdef RENEG
2297 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2298 #endif
2299                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2300 #ifndef OPENSSL_NO_SRP
2301                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2302                                         {
2303                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2304                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2305                                         if (srp_callback_parm.user)
2306                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2307                                         else
2308                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2309                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2310                                         }
2311 #endif
2312                                 switch (SSL_get_error(con,k))
2313                                         {
2314                                 case SSL_ERROR_NONE:
2315                                         break;
2316                                 case SSL_ERROR_WANT_WRITE:
2317                                 case SSL_ERROR_WANT_READ:
2318                                 case SSL_ERROR_WANT_X509_LOOKUP:
2319                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2320                                         break;
2321                                 case SSL_ERROR_SYSCALL:
2322                                 case SSL_ERROR_SSL:
2323                                         BIO_printf(bio_s_out,"ERROR\n");
2324                                         ERR_print_errors(bio_err);
2325                                         ret=1;
2326                                         goto err;
2327                                         /* break; */
2328                                 case SSL_ERROR_ZERO_RETURN:
2329                                         BIO_printf(bio_s_out,"DONE\n");
2330                                         ret=1;
2331                                         goto err;
2332                                         }
2333                                 l+=k;
2334                                 i-=k;
2335                                 if (i <= 0) break;
2336                                 }
2337                         }
2338                 if (read_from_sslcon)
2339                         {
2340                         if (!SSL_is_init_finished(con))
2341                                 {
2342                                 i=init_ssl_connection(con);
2343
2344                                 if (i < 0)
2345                                         {
2346                                         ret=0;
2347                                         goto err;
2348                                         }
2349                                 else if (i == 0)
2350                                         {
2351                                         ret=1;
2352                                         goto err;
2353                                         }
2354                                 }
2355                         else
2356                                 {
2357 again:
2358                                 i=SSL_read(con,(char *)buf,bufsize);
2359 #ifndef OPENSSL_NO_SRP
2360                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2361                                         {
2362                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2363                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2364                                         if (srp_callback_parm.user)
2365                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2366                                         else
2367                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2368                                         i=SSL_read(con,(char *)buf,bufsize);
2369                                         }
2370 #endif
2371                                 switch (SSL_get_error(con,i))
2372                                         {
2373                                 case SSL_ERROR_NONE:
2374 #ifdef CHARSET_EBCDIC
2375                                         ascii2ebcdic(buf,buf,i);
2376 #endif
2377                                         raw_write_stdout(buf,
2378                                                 (unsigned int)i);
2379                                         if (SSL_pending(con)) goto again;
2380                                         break;
2381                                 case SSL_ERROR_WANT_WRITE:
2382                                 case SSL_ERROR_WANT_READ:
2383                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2384                                         break;
2385                                 case SSL_ERROR_SYSCALL:
2386                                 case SSL_ERROR_SSL:
2387                                         BIO_printf(bio_s_out,"ERROR\n");
2388                                         ERR_print_errors(bio_err);
2389                                         ret=1;
2390                                         goto err;
2391                                 case SSL_ERROR_ZERO_RETURN:
2392                                         BIO_printf(bio_s_out,"DONE\n");
2393                                         ret=1;
2394                                         goto err;
2395                                         }
2396                                 }
2397                         }
2398                 }
2399 err:
2400         if (con != NULL)
2401                 {
2402                 BIO_printf(bio_s_out,"shutting down SSL\n");
2403 #if 1
2404                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2405 #else
2406                 SSL_shutdown(con);
2407 #endif
2408                 SSL_free(con);
2409                 }
2410         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2411         if (buf != NULL)
2412                 {
2413                 OPENSSL_cleanse(buf,bufsize);
2414                 OPENSSL_free(buf);
2415                 }
2416         if (ret >= 0)
2417                 BIO_printf(bio_s_out,"ACCEPT\n");
2418         return(ret);
2419         }
2420
2421 static void close_accept_socket(void)
2422         {
2423         BIO_printf(bio_err,"shutdown accept socket\n");
2424         if (accept_socket >= 0)
2425                 {
2426                 SHUTDOWN2(accept_socket);
2427                 }
2428         }
2429
2430 static int init_ssl_connection(SSL *con)
2431         {
2432         int i;
2433         const char *str;
2434         X509 *peer;
2435         long verify_error;
2436         MS_STATIC char buf[BUFSIZ];
2437 #ifndef OPENSSL_NO_KRB5
2438         char *client_princ;
2439 #endif
2440 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2441         const unsigned char *next_proto_neg;
2442         unsigned next_proto_neg_len;
2443 #endif
2444         unsigned char *exportedkeymat;
2445
2446
2447         i=SSL_accept(con);
2448 #ifndef OPENSSL_NO_SRP
2449         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2450                 {
2451                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2452                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2453                         if (srp_callback_parm.user)
2454                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2455                         else
2456                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2457                         i=SSL_accept(con);
2458                 }
2459 #endif
2460         if (i <= 0)
2461                 {
2462                 if (BIO_sock_should_retry(i))
2463                         {
2464                         BIO_printf(bio_s_out,"DELAY\n");
2465                         return(1);
2466                         }
2467
2468                 BIO_printf(bio_err,"ERROR\n");
2469                 verify_error=SSL_get_verify_result(con);
2470                 if (verify_error != X509_V_OK)
2471                         {
2472                         BIO_printf(bio_err,"verify error:%s\n",
2473                                 X509_verify_cert_error_string(verify_error));
2474                         }
2475                 else
2476                         ERR_print_errors(bio_err);
2477                 return(0);
2478                 }
2479
2480         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2481
2482         peer=SSL_get_peer_certificate(con);
2483         if (peer != NULL)
2484                 {
2485                 BIO_printf(bio_s_out,"Client certificate\n");
2486                 PEM_write_bio_X509(bio_s_out,peer);
2487                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2488                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2489                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2490                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2491                 X509_free(peer);
2492                 }
2493
2494         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2495                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2496         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2497         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2498
2499 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2500         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2501         if (next_proto_neg)
2502                 {
2503                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2504                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2505                 BIO_printf(bio_s_out, "\n");
2506                 }
2507 #endif
2508 #ifndef OPENSSL_NO_SRTP
2509         {
2510         SRTP_PROTECTION_PROFILE *srtp_profile
2511           = SSL_get_selected_srtp_profile(con);
2512
2513         if(srtp_profile)
2514                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2515                            srtp_profile->name);
2516         }
2517 #endif
2518         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2519         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2520                 TLS1_FLAGS_TLS_PADDING_BUG)
2521                 BIO_printf(bio_s_out,
2522                            "Peer has incorrect TLSv1 block padding\n");
2523 #ifndef OPENSSL_NO_KRB5
2524         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2525         if (client_princ != NULL)
2526                 {
2527                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2528                                                                 client_princ);
2529                 }
2530 #endif /* OPENSSL_NO_KRB5 */
2531         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2532                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2533         if (keymatexportlabel != NULL)
2534                 {
2535                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2536                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2537                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2538                            keymatexportlen);
2539                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2540                 if (exportedkeymat != NULL)
2541                         {
2542                         if (!SSL_export_keying_material(con, exportedkeymat,
2543                                                         keymatexportlen,
2544                                                         keymatexportlabel,
2545                                                         strlen(keymatexportlabel),
2546                                                         NULL, 0, 0))
2547                                 {
2548                                 BIO_printf(bio_s_out, "    Error\n");
2549                                 }
2550                         else
2551                                 {
2552                                 BIO_printf(bio_s_out, "    Keying material: ");
2553                                 for (i=0; i<keymatexportlen; i++)
2554                                         BIO_printf(bio_s_out, "%02X",
2555                                                    exportedkeymat[i]);
2556                                 BIO_printf(bio_s_out, "\n");
2557                                 }
2558                         OPENSSL_free(exportedkeymat);
2559                         }
2560                 }
2561
2562         return(1);
2563         }
2564
2565 #ifndef OPENSSL_NO_DH
2566 static DH *load_dh_param(const char *dhfile)
2567         {
2568         DH *ret=NULL;
2569         BIO *bio;
2570
2571         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2572                 goto err;
2573         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2574 err:
2575         if (bio != NULL) BIO_free(bio);
2576         return(ret);
2577         }
2578 #endif
2579 #ifndef OPENSSL_NO_KRB5
2580         char *client_princ;
2581 #endif
2582
2583 #if 0
2584 static int load_CA(SSL_CTX *ctx, char *file)
2585         {
2586         FILE *in;
2587         X509 *x=NULL;
2588
2589         if ((in=fopen(file,"r")) == NULL)
2590                 return(0);
2591
2592         for (;;)
2593                 {
2594                 if (PEM_read_X509(in,&x,NULL) == NULL)
2595                         break;
2596                 SSL_CTX_add_client_CA(ctx,x);
2597                 }
2598         if (x != NULL) X509_free(x);
2599         fclose(in);
2600         return(1);
2601         }
2602 #endif
2603
2604 static int www_body(char *hostname, int s, unsigned char *context)
2605         {
2606         char *buf=NULL;
2607         int ret=1;
2608         int i,j,k,dot;
2609         SSL *con;
2610         const SSL_CIPHER *c;
2611         BIO *io,*ssl_bio,*sbio;
2612 #ifndef OPENSSL_NO_KRB5
2613         KSSL_CTX *kctx;
2614 #endif
2615
2616         buf=OPENSSL_malloc(bufsize);
2617         if (buf == NULL) return(0);
2618         io=BIO_new(BIO_f_buffer());
2619         ssl_bio=BIO_new(BIO_f_ssl());
2620         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2621
2622 #ifdef FIONBIO
2623         if (s_nbio)
2624                 {
2625                 unsigned long sl=1;
2626
2627                 if (!s_quiet)
2628                         BIO_printf(bio_err,"turning on non blocking io\n");
2629                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2630                         ERR_print_errors(bio_err);
2631                 }
2632 #endif
2633
2634         /* lets make the output buffer a reasonable size */
2635         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2636
2637         if ((con=SSL_new(ctx)) == NULL) goto err;
2638 #ifndef OPENSSL_NO_TLSEXT
2639                 if (s_tlsextdebug)
2640                         {
2641                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2642                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2643                         }
2644 #endif
2645 #ifndef OPENSSL_NO_KRB5
2646         if ((kctx = kssl_ctx_new()) != NULL)
2647                 {
2648                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2649                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2650                 }
2651 #endif  /* OPENSSL_NO_KRB5 */
2652         if(context) SSL_set_session_id_context(con, context,
2653                                                strlen((char *)context));
2654
2655         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2656         if (s_nbio_test)
2657                 {
2658                 BIO *test;
2659
2660                 test=BIO_new(BIO_f_nbio_test());
2661                 sbio=BIO_push(test,sbio);
2662                 }
2663         SSL_set_bio(con,sbio,sbio);
2664         SSL_set_accept_state(con);
2665
2666         /* SSL_set_fd(con,s); */
2667         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2668         BIO_push(io,ssl_bio);
2669 #ifdef CHARSET_EBCDIC
2670         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2671 #endif
2672
2673         if (s_debug)
2674                 {
2675                 SSL_set_debug(con, 1);
2676                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2677                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2678                 }
2679         if (s_msg)
2680                 {
2681                 SSL_set_msg_callback(con, msg_cb);
2682                 SSL_set_msg_callback_arg(con, bio_s_out);
2683                 }
2684
2685         for (;;)
2686                 {
2687                 if (hack)
2688                         {
2689                         i=SSL_accept(con);
2690 #ifndef OPENSSL_NO_SRP
2691                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2692                 {
2693                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2694                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2695                         if (srp_callback_parm.user)
2696                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2697                         else
2698                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2699                         i=SSL_accept(con);
2700                 }
2701 #endif
2702                         switch (SSL_get_error(con,i))
2703                                 {
2704                         case SSL_ERROR_NONE:
2705                                 break;
2706                         case SSL_ERROR_WANT_WRITE:
2707                         case SSL_ERROR_WANT_READ:
2708                         case SSL_ERROR_WANT_X509_LOOKUP:
2709                                 continue;
2710                         case SSL_ERROR_SYSCALL:
2711                         case SSL_ERROR_SSL:
2712                         case SSL_ERROR_ZERO_RETURN:
2713                                 ret=1;
2714                                 goto err;
2715                                 /* break; */
2716                                 }
2717
2718                         SSL_renegotiate(con);
2719                         SSL_write(con,NULL,0);
2720                         }
2721
2722                 i=BIO_gets(io,buf,bufsize-1);
2723                 if (i < 0) /* error */
2724                         {
2725                         if (!BIO_should_retry(io))
2726                                 {
2727                                 if (!s_quiet)
2728                                         ERR_print_errors(bio_err);
2729                                 goto err;
2730                                 }
2731                         else
2732                                 {
2733                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2734 #if defined(OPENSSL_SYS_NETWARE)
2735             delay(1000);
2736 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2737                                 sleep(1);
2738 #endif
2739                                 continue;
2740                                 }
2741                         }
2742                 else if (i == 0) /* end of input */
2743                         {
2744                         ret=1;
2745                         goto end;
2746                         }
2747
2748                 /* else we have data */
2749                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2750                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2751                         {
2752                         char *p;
2753                         X509 *peer;
2754                         STACK_OF(SSL_CIPHER) *sk;
2755                         static const char *space="                          ";
2756
2757                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2758                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2759                         BIO_puts(io,"<pre>\n");
2760 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2761                         BIO_puts(io,"\n");
2762                         for (i=0; i<local_argc; i++)
2763                                 {
2764                                 BIO_puts(io,local_argv[i]);
2765                                 BIO_write(io," ",1);
2766                                 }
2767                         BIO_puts(io,"\n");
2768
2769                         BIO_printf(io,
2770                                 "Secure Renegotiation IS%s supported\n",
2771                                 SSL_get_secure_renegotiation_support(con) ?
2772                                                         "" : " NOT");
2773
2774                         /* The following is evil and should not really
2775                          * be done */
2776                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2777                         sk=SSL_get_ciphers(con);
2778                         j=sk_SSL_CIPHER_num(sk);
2779                         for (i=0; i<j; i++)
2780                                 {
2781                                 c=sk_SSL_CIPHER_value(sk,i);
2782                                 BIO_printf(io,"%-11s:%-25s",
2783                                         SSL_CIPHER_get_version(c),
2784                                         SSL_CIPHER_get_name(c));
2785                                 if ((((i+1)%2) == 0) && (i+1 != j))
2786                                         BIO_puts(io,"\n");
2787                                 }
2788                         BIO_puts(io,"\n");
2789                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2790                         if (p != NULL)
2791                                 {
2792                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2793                                 j=i=0;
2794                                 while (*p)
2795                                         {
2796                                         if (*p == ':')
2797                                                 {
2798                                                 BIO_write(io,space,26-j);
2799                                                 i++;
2800                                                 j=0;
2801                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2802                                                 }
2803                                         else
2804                                                 {
2805                                                 BIO_write(io,p,1);
2806                                                 j++;
2807                                                 }
2808                                         p++;
2809                                         }
2810                                 BIO_puts(io,"\n");
2811                                 }
2812                         BIO_printf(io,(SSL_cache_hit(con)
2813                                 ?"---\nReused, "
2814                                 :"---\nNew, "));
2815                         c=SSL_get_current_cipher(con);
2816                         BIO_printf(io,"%s, Cipher is %s\n",
2817                                 SSL_CIPHER_get_version(c),
2818                                 SSL_CIPHER_get_name(c));
2819                         SSL_SESSION_print(io,SSL_get_session(con));
2820                         BIO_printf(io,"---\n");
2821                         print_stats(io,SSL_get_SSL_CTX(con));
2822                         BIO_printf(io,"---\n");
2823                         peer=SSL_get_peer_certificate(con);
2824                         if (peer != NULL)
2825                                 {
2826                                 BIO_printf(io,"Client certificate\n");
2827                                 X509_print(io,peer);
2828                                 PEM_write_bio_X509(io,peer);
2829                                 }
2830                         else
2831                                 BIO_puts(io,"no client certificate available\n");
2832                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2833                         break;
2834                         }
2835                 else if ((www == 2 || www == 3)
2836                          && (strncmp("GET /",buf,5) == 0))
2837                         {
2838                         BIO *file;
2839                         char *p,*e;
2840                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2841
2842                         /* skip the '/' */
2843                         p= &(buf[5]);
2844
2845                         dot = 1;
2846                         for (e=p; *e != '\0'; e++)
2847                                 {
2848                                 if (e[0] == ' ')
2849                                         break;
2850
2851                                 switch (dot)
2852                                         {
2853                                 case 1:
2854                                         dot = (e[0] == '.') ? 2 : 0;
2855                                         break;
2856                                 case 2:
2857                                         dot = (e[0] == '.') ? 3 : 0;
2858                                         break;
2859                                 case 3:
2860                                         dot = (e[0] == '/') ? -1 : 0;
2861                                         break;
2862                                         }
2863                                 if (dot == 0)
2864                                         dot = (e[0] == '/') ? 1 : 0;
2865                                 }
2866                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2867
2868                         if (*e == '\0')
2869                                 {
2870                                 BIO_puts(io,text);
2871                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2872                                 break;
2873                                 }
2874                         *e='\0';
2875
2876                         if (dot)
2877                                 {
2878                                 BIO_puts(io,text);
2879                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2880                                 break;
2881                                 }
2882
2883                         if (*p == '/')
2884                                 {
2885                                 BIO_puts(io,text);
2886                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2887                                 break;
2888                                 }
2889
2890 #if 0
2891                         /* append if a directory lookup */
2892                         if (e[-1] == '/')
2893                                 strcat(p,"index.html");
2894 #endif
2895
2896                         /* if a directory, do the index thang */
2897                         if (app_isdir(p)>0)
2898                                 {
2899 #if 0 /* must check buffer size */
2900                                 strcat(p,"/index.html");
2901 #else
2902                                 BIO_puts(io,text);
2903                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2904                                 break;
2905 #endif
2906                                 }
2907
2908                         if ((file=BIO_new_file(p,"r")) == NULL)
2909                                 {
2910                                 BIO_puts(io,text);
2911                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2912                                 ERR_print_errors(io);
2913                                 break;
2914                                 }
2915
2916                         if (!s_quiet)
2917                                 BIO_printf(bio_err,"FILE:%s\n",p);
2918
2919                         if (www == 2)
2920                                 {
2921                                 i=strlen(p);
2922                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2923                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2924                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2925                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2926                                 else
2927                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2928                                 }
2929                         /* send the file */
2930                         for (;;)
2931                                 {
2932                                 i=BIO_read(file,buf,bufsize);
2933                                 if (i <= 0) break;
2934
2935 #ifdef RENEG
2936                                 total_bytes+=i;
2937                                 fprintf(stderr,"%d\n",i);
2938                                 if (total_bytes > 3*1024)
2939                                         {
2940                                         total_bytes=0;
2941                                         fprintf(stderr,"RENEGOTIATE\n");
2942                                         SSL_renegotiate(con);
2943                                         }
2944 #endif
2945
2946                                 for (j=0; j<i; )
2947                                         {
2948 #ifdef RENEG
2949 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2950 #endif
2951                                         k=BIO_write(io,&(buf[j]),i-j);
2952                                         if (k <= 0)
2953                                                 {
2954                                                 if (!BIO_should_retry(io))
2955                                                         goto write_error;
2956                                                 else
2957                                                         {
2958                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2959                                                         }
2960                                                 }
2961                                         else
2962                                                 {
2963                                                 j+=k;
2964                                                 }
2965                                         }
2966                                 }
2967 write_error:
2968                         BIO_free(file);
2969                         break;
2970                         }
2971                 }
2972
2973         for (;;)
2974                 {
2975                 i=(int)BIO_flush(io);
2976                 if (i <= 0)
2977                         {
2978                         if (!BIO_should_retry(io))
2979                                 break;
2980                         }
2981                 else
2982                         break;
2983                 }
2984 end:
2985 #if 1
2986         /* make sure we re-use sessions */
2987         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2988 #else
2989         /* This kills performance */
2990 /*      SSL_shutdown(con); A shutdown gets sent in the
2991  *      BIO_free_all(io) procession */
2992 #endif
2993
2994 err:
2995
2996         if (ret >= 0)
2997                 BIO_printf(bio_s_out,"ACCEPT\n");
2998
2999         if (buf != NULL) OPENSSL_free(buf);
3000         if (io != NULL) BIO_free_all(io);
3001 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3002         return(ret);
3003         }
3004
3005 #ifndef OPENSSL_NO_RSA
3006 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3007         {
3008         BIGNUM *bn = NULL;
3009         static RSA *rsa_tmp=NULL;
3010
3011         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3012                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3013         if (!rsa_tmp && bn)
3014                 {
3015                 if (!s_quiet)
3016                         {
3017                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3018                         (void)BIO_flush(bio_err);
3019                         }
3020                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3021                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3022                         {
3023                         if(rsa_tmp) RSA_free(rsa_tmp);
3024                         rsa_tmp = NULL;
3025                         }
3026                 if (!s_quiet)
3027                         {
3028                         BIO_printf(bio_err,"\n");
3029                         (void)BIO_flush(bio_err);
3030                         }
3031                 BN_free(bn);
3032                 }
3033         return(rsa_tmp);
3034         }
3035 #endif
3036
3037 #define MAX_SESSION_ID_ATTEMPTS 10
3038 static int generate_session_id(const SSL *ssl, unsigned char *id,
3039                                 unsigned int *id_len)
3040         {
3041         unsigned int count = 0;
3042         do      {
3043                 RAND_pseudo_bytes(id, *id_len);
3044                 /* Prefix the session_id with the required prefix. NB: If our
3045                  * prefix is too long, clip it - but there will be worse effects
3046                  * anyway, eg. the server could only possibly create 1 session
3047                  * ID (ie. the prefix!) so all future session negotiations will
3048                  * fail due to conflicts. */
3049                 memcpy(id, session_id_prefix,
3050                         (strlen(session_id_prefix) < *id_len) ?
3051                         strlen(session_id_prefix) : *id_len);
3052                 }
3053         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3054                 (++count < MAX_SESSION_ID_ATTEMPTS));
3055         if(count >= MAX_SESSION_ID_ATTEMPTS)
3056                 return 0;
3057         return 1;
3058         }