apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, unsigned char *context);
 208 static int www_body(char *hostname, int s, unsigned char *context);
 209 static void close_accept_socket(void );
 210 static void sv_usage(void);
 211 static int init_ssl_connection(SSL *s);
 212 static void print_stats(BIO *bp,SSL_CTX *ctx);
 213 static int generate_session_id(const SSL *ssl, unsigned char *id,
 214                                 unsigned int *id_len);
 215 #ifndef OPENSSL_NO_DH
 216 static DH *load_dh_param(const char *dhfile);
 217 static DH *get_dh512(void);
 218 #endif
 219
 220 #ifdef MONOLITH
 221 static void s_server_init(void);
 222 #endif
 223
 224 #ifndef OPENSSL_NO_DH
 225 static unsigned char dh512_p[]={
 226         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 227         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 228         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 229         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 230         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 231         0x47,0x74,0xE8,0x33,
 232         };
 233 static unsigned char dh512_g[]={
 234         0x02,
 235         };
 236
 237 static DH *get_dh512(void)
 238         {
 239         DH *dh=NULL;
 240
 241         if ((dh=DH_new()) == NULL) return(NULL);
 242         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 243         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 244         if ((dh->p == NULL) || (dh->g == NULL))
 245                 return(NULL);
 246         return(dh);
 247         }
 248 #endif
 249
 250
 251 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 252
 253 #undef BUFSIZZ
 254 #define BUFSIZZ 16*1024
 255 static int bufsize=BUFSIZZ;
 256 static int accept_socket= -1;
 257
 258 #define TEST_CERT       "server.pem"
 259 #ifndef OPENSSL_NO_TLSEXT
 260 #define TEST_CERT2      "server2.pem"
 261 #endif
 262 #undef PROG
 263 #define PROG            s_server_main
 264
 265 extern int verify_depth, verify_return_error;
 266
 267 static char *cipher=NULL;
 268 static int s_server_verify=SSL_VERIFY_NONE;
 269 static int s_server_session_id_context = 1; /* anything will do */
 270 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 271 #ifndef OPENSSL_NO_TLSEXT
 272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 273 static char *curves=NULL;
 274 #endif
 275 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 276 #ifdef FIONBIO
 277 static int s_nbio=0;
 278 #endif
 279 static int s_nbio_test=0;
 280 int s_crlf=0;
 281 static SSL_CTX *ctx=NULL;
 282 #ifndef OPENSSL_NO_TLSEXT
 283 static SSL_CTX *ctx2=NULL;
 284 #endif
 285 static int www=0;
 286
 287 static BIO *bio_s_out=NULL;
 288 static int s_debug=0;
 289 #ifndef OPENSSL_NO_TLSEXT
 290 static int s_tlsextdebug=0;
 291 static int s_tlsextstatus=0;
 292 static int cert_status_cb(SSL *s, void *arg);
 293 #endif
 294 static int s_msg=0;
 295 static int s_quiet=0;
 296
 297 static char *keymatexportlabel=NULL;
 298 static int keymatexportlen=20;
 299
 300 static int hack=0;
 301 #ifndef OPENSSL_NO_ENGINE
 302 static char *engine_id=NULL;
 303 #endif
 304 static const char *session_id_prefix=NULL;
 305
 306 static int enable_timeouts = 0;
 307 static long socket_mtu;
 308 #ifndef OPENSSL_NO_DTLS1
 309 static int cert_chain = 0;
 310 #endif
 311
 312 #ifndef OPENSSL_NO_TLSEXT
 313 static BIO *authz_in = NULL;
 314 static const char *s_authz_file = NULL;
 315 #endif
 316
 317 #ifndef OPENSSL_NO_PSK
 318 static char *psk_identity="Client_identity";
 319 char *psk_key=NULL; /* by default PSK is not used */
 320
 321 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 322         unsigned char *psk, unsigned int max_psk_len)
 323         {
 324         unsigned int psk_len = 0;
 325         int ret;
 326         BIGNUM *bn = NULL;
 327
 328         if (s_debug)
 329                 BIO_printf(bio_s_out,"psk_server_cb\n");
 330         if (!identity)
 331                 {
 332                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 333                 goto out_err;
 334                 }
 335         if (s_debug)
 336                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 337                         identity ? (int)strlen(identity) : 0, identity);
 338
 339         /* here we could lookup the given identity e.g. from a database */
 340         if (strcmp(identity, psk_identity) != 0)
 341                 {
 342                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 343                            " (got '%s' expected '%s')\n", identity,
 344                            psk_identity);
 345                 goto out_err;
 346                 }
 347         if (s_debug)
 348                 BIO_printf(bio_s_out, "PSK client identity found\n");
 349
 350         /* convert the PSK key to binary */
 351         ret = BN_hex2bn(&bn, psk_key);
 352         if (!ret)
 353                 {
 354                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 355                 if (bn)
 356                         BN_free(bn);
 357                 return 0;
 358                 }
 359         if (BN_num_bytes(bn) > (int)max_psk_len)
 360                 {
 361                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 362                         max_psk_len, BN_num_bytes(bn));
 363                 BN_free(bn);
 364                 return 0;
 365                 }
 366
 367         ret = BN_bn2bin(bn, psk);
 368         BN_free(bn);
 369
 370         if (ret < 0)
 371                 goto out_err;
 372         psk_len = (unsigned int)ret;
 373
 374         if (s_debug)
 375                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 376         return psk_len;
 377  out_err:
 378         if (s_debug)
 379                 BIO_printf(bio_err, "Error in PSK server callback\n");
 380         return 0;
 381         }
 382 #endif
 383
 384 #ifndef OPENSSL_NO_SRP
 385 /* This is a context that we pass to callbacks */
 386 typedef struct srpsrvparm_st
 387         {
 388         char *login;
 389         SRP_VBASE *vb;
 390         SRP_user_pwd *user;
 391         } srpsrvparm;
 392
 393 /* This callback pretends to require some asynchronous logic in order to obtain
 394    a verifier. When the callback is called for a new connection we return
 395    with a negative value. This will provoke the accept etc to return with
 396    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 397    (which would normally occur after a worker has finished) and we
 398    set the user parameters.
 399 */
 400 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 401         {
 402         srpsrvparm *p = (srpsrvparm *)arg;
 403         if (p->login == NULL && p->user == NULL )
 404                 {
 405                 p->login = SSL_get_srp_username(s);
 406                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 407                 return (-1) ;
 408                 }
 409
 410         if (p->user == NULL)
 411                 {
 412                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 413                 return SSL3_AL_FATAL;
 414                 }
 415         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 416                                      p->user->info) < 0)
 417                 {
 418                 *ad = SSL_AD_INTERNAL_ERROR;
 419                 return SSL3_AL_FATAL;
 420                 }
 421         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 422         /* need to check whether there are memory leaks */
 423         p->user = NULL;
 424         p->login = NULL;
 425         return SSL_ERROR_NONE;
 426         }
 427
 428 #endif
 429
 430 #ifdef MONOLITH
 431 static void s_server_init(void)
 432         {
 433         accept_socket=-1;
 434         cipher=NULL;
 435         s_server_verify=SSL_VERIFY_NONE;
 436         s_dcert_file=NULL;
 437         s_dkey_file=NULL;
 438         s_dchain_file=NULL;
 439         s_cert_file=TEST_CERT;
 440         s_key_file=NULL;
 441         s_chain_file=NULL;
 442 #ifndef OPENSSL_NO_TLSEXT
 443         curves=NULL;
 444         s_cert_file2=TEST_CERT2;
 445         s_key_file2=NULL;
 446         ctx2=NULL;
 447 #endif
 448 #ifdef FIONBIO
 449         s_nbio=0;
 450 #endif
 451         s_nbio_test=0;
 452         ctx=NULL;
 453         www=0;
 454
 455         bio_s_out=NULL;
 456         s_debug=0;
 457         s_msg=0;
 458         s_quiet=0;
 459         hack=0;
 460 #ifndef OPENSSL_NO_ENGINE
 461         engine_id=NULL;
 462 #endif
 463         }
 464 #endif
 465
 466 static void sv_usage(void)
 467         {
 468         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 469         BIO_printf(bio_err,"\n");
 470         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 471         BIO_printf(bio_err," -context arg  - set session ID context\n");
 472         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 473         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 474         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 475         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 476         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 477         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 478                            "                 The CRL(s) are appended to the certificate file\n");
 479         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 480                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 481                            "                 the certificate file.\n");
 482         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 483         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 484         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 485         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 486         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 487         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 488         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 489         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 490         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 491         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 492         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 493         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 494 #ifndef OPENSSL_NO_ECDH
 495         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 496                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 497                            "                 (default is nistp256).\n");
 498 #endif
 499 #ifdef FIONBIO
 500         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 501 #endif
 502         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 503         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 504         BIO_printf(bio_err," -debug        - Print more output\n");
 505         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 506         BIO_printf(bio_err," -state        - Print the SSL states\n");
 507         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 508         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 509         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 510         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 511         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 512         BIO_printf(bio_err," -quiet        - No server output\n");
 513         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 514 #ifndef OPENSSL_NO_PSK
 515         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 516         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 517 # ifndef OPENSSL_NO_JPAKE
 518         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 519 # endif
 520 #endif
 521 #ifndef OPENSSL_NO_SRP
 522         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 523         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 524 #endif
 525         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 526         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 527         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 528         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 529         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 530         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 531         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 532         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 533         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 534         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 535         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 536         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 537         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 538         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 539 #ifndef OPENSSL_NO_DH
 540         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 541 #endif
 542 #ifndef OPENSSL_NO_ECDH
 543         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 544 #endif
 545         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 546         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 547         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 548         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 549         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 550 #ifndef OPENSSL_NO_ENGINE
 551         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 552 #endif
 553         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 554         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 555 #ifndef OPENSSL_NO_TLSEXT
 556         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 557         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 558         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 559         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 560         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 561         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 562         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 563         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 564         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 565 # ifndef OPENSSL_NO_NEXTPROTONEG
 566         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 567 # endif
 568         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 569 #endif
 570         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 571         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 572         }
 573
 574 static int local_argc=0;
 575 static char **local_argv;
 576
 577 #ifdef CHARSET_EBCDIC
 578 static int ebcdic_new(BIO *bi);
 579 static int ebcdic_free(BIO *a);
 580 static int ebcdic_read(BIO *b, char *out, int outl);
 581 static int ebcdic_write(BIO *b, const char *in, int inl);
 582 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 583 static int ebcdic_gets(BIO *bp, char *buf, int size);
 584 static int ebcdic_puts(BIO *bp, const char *str);
 585
 586 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 587 static BIO_METHOD methods_ebcdic=
 588         {
 589         BIO_TYPE_EBCDIC_FILTER,
 590         "EBCDIC/ASCII filter",
 591         ebcdic_write,
 592         ebcdic_read,
 593         ebcdic_puts,
 594         ebcdic_gets,
 595         ebcdic_ctrl,
 596         ebcdic_new,
 597         ebcdic_free,
 598         };
 599
 600 typedef struct
 601 {
 602         size_t  alloced;
 603         char    buff[1];
 604 } EBCDIC_OUTBUFF;
 605
 606 BIO_METHOD *BIO_f_ebcdic_filter()
 607 {
 608         return(&methods_ebcdic);
 609 }
 610
 611 static int ebcdic_new(BIO *bi)
 612 {
 613         EBCDIC_OUTBUFF *wbuf;
 614
 615         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 616         wbuf->alloced = 1024;
 617         wbuf->buff[0] = '\0';
 618
 619         bi->ptr=(char *)wbuf;
 620         bi->init=1;
 621         bi->flags=0;
 622         return(1);
 623 }
 624
 625 static int ebcdic_free(BIO *a)
 626 {
 627         if (a == NULL) return(0);
 628         if (a->ptr != NULL)
 629                 OPENSSL_free(a->ptr);
 630         a->ptr=NULL;
 631         a->init=0;
 632         a->flags=0;
 633         return(1);
 634 }
 635
 636 static int ebcdic_read(BIO *b, char *out, int outl)
 637 {
 638         int ret=0;
 639
 640         if (out == NULL || outl == 0) return(0);
 641         if (b->next_bio == NULL) return(0);
 642
 643         ret=BIO_read(b->next_bio,out,outl);
 644         if (ret > 0)
 645                 ascii2ebcdic(out,out,ret);
 646         return(ret);
 647 }
 648
 649 static int ebcdic_write(BIO *b, const char *in, int inl)
 650 {
 651         EBCDIC_OUTBUFF *wbuf;
 652         int ret=0;
 653         int num;
 654         unsigned char n;
 655
 656         if ((in == NULL) || (inl <= 0)) return(0);
 657         if (b->next_bio == NULL) return(0);
 658
 659         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 660
 661         if (inl > (num = wbuf->alloced))
 662         {
 663                 num = num + num;  /* double the size */
 664                 if (num < inl)
 665                         num = inl;
 666                 OPENSSL_free(wbuf);
 667                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 668
 669                 wbuf->alloced = num;
 670                 wbuf->buff[0] = '\0';
 671
 672                 b->ptr=(char *)wbuf;
 673         }
 674
 675         ebcdic2ascii(wbuf->buff, in, inl);
 676
 677         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 678
 679         return(ret);
 680 }
 681
 682 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 683 {
 684         long ret;
 685
 686         if (b->next_bio == NULL) return(0);
 687         switch (cmd)
 688         {
 689         case BIO_CTRL_DUP:
 690                 ret=0L;
 691                 break;
 692         default:
 693                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 694                 break;
 695         }
 696         return(ret);
 697 }
 698
 699 static int ebcdic_gets(BIO *bp, char *buf, int size)
 700 {
 701         int i, ret=0;
 702         if (bp->next_bio == NULL) return(0);
 703 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 704         for (i=0; i<size-1; ++i)
 705         {
 706                 ret = ebcdic_read(bp,&buf[i],1);
 707                 if (ret <= 0)
 708                         break;
 709                 else if (buf[i] == '\n')
 710                 {
 711                         ++i;
 712                         break;
 713                 }
 714         }
 715         if (i < size)
 716                 buf[i] = '\0';
 717         return (ret < 0 && i == 0) ? ret : i;
 718 }
 719
 720 static int ebcdic_puts(BIO *bp, const char *str)
 721 {
 722         if (bp->next_bio == NULL) return(0);
 723         return ebcdic_write(bp, str, strlen(str));
 724 }
 725 #endif
 726
 727 #ifndef OPENSSL_NO_TLSEXT
 728
 729 /* This is a context that we pass to callbacks */
 730 typedef struct tlsextctx_st {
 731    char * servername;
 732    BIO * biodebug;
 733    int extension_error;
 734 } tlsextctx;
 735
 736
 737 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 738         {
 739         tlsextctx * p = (tlsextctx *) arg;
 740         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 741         if (servername && p->biodebug)
 742                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 743
 744         if (!p->servername)
 745                 return SSL_TLSEXT_ERR_NOACK;
 746
 747         if (servername)
 748                 {
 749                 if (strcmp(servername,p->servername))
 750                         return p->extension_error;
 751                 if (ctx2)
 752                         {
 753                         BIO_printf(p->biodebug,"Switching server context.\n");
 754                         SSL_set_SSL_CTX(s,ctx2);
 755                         }
 756                 }
 757         return SSL_TLSEXT_ERR_OK;
 758 }
 759
 760 /* Structure passed to cert status callback */
 761
 762 typedef struct tlsextstatusctx_st {
 763    /* Default responder to use */
 764    char *host, *path, *port;
 765    int use_ssl;
 766    int timeout;
 767    BIO *err;
 768    int verbose;
 769 } tlsextstatusctx;
 770
 771 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 772
 773 /* Certificate Status callback. This is called when a client includes a
 774  * certificate status request extension.
 775  *
 776  * This is a simplified version. It examines certificates each time and
 777  * makes one OCSP responder query for each request.
 778  *
 779  * A full version would store details such as the OCSP certificate IDs and
 780  * minimise the number of OCSP responses by caching them until they were
 781  * considered "expired".
 782  */
 783
 784 static int cert_status_cb(SSL *s, void *arg)
 785         {
 786         tlsextstatusctx *srctx = arg;
 787         BIO *err = srctx->err;
 788         char *host, *port, *path;
 789         int use_ssl;
 790         unsigned char *rspder = NULL;
 791         int rspderlen;
 792         STACK_OF(OPENSSL_STRING) *aia = NULL;
 793         X509 *x = NULL;
 794         X509_STORE_CTX inctx;
 795         X509_OBJECT obj;
 796         OCSP_REQUEST *req = NULL;
 797         OCSP_RESPONSE *resp = NULL;
 798         OCSP_CERTID *id = NULL;
 799         STACK_OF(X509_EXTENSION) *exts;
 800         int ret = SSL_TLSEXT_ERR_NOACK;
 801         int i;
 802 #if 0
 803 STACK_OF(OCSP_RESPID) *ids;
 804 SSL_get_tlsext_status_ids(s, &ids);
 805 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 806 #endif
 807         if (srctx->verbose)
 808                 BIO_puts(err, "cert_status: callback called\n");
 809         /* Build up OCSP query from server certificate */
 810         x = SSL_get_certificate(s);
 811         aia = X509_get1_ocsp(x);
 812         if (aia)
 813                 {
 814                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 815                         &host, &port, &path, &use_ssl))
 816                         {
 817                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 818                         goto err;
 819                         }
 820                 if (srctx->verbose)
 821                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 822                                         sk_OPENSSL_STRING_value(aia, 0));
 823                 }
 824         else
 825                 {
 826                 if (!srctx->host)
 827                         {
 828                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 829                         goto done;
 830                         }
 831                 host = srctx->host;
 832                 path = srctx->path;
 833                 port = srctx->port;
 834                 use_ssl = srctx->use_ssl;
 835                 }
 836
 837         if (!X509_STORE_CTX_init(&inctx,
 838                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 839                                 NULL, NULL))
 840                 goto err;
 841         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 842                                 X509_get_issuer_name(x),&obj) <= 0)
 843                 {
 844                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 845                 X509_STORE_CTX_cleanup(&inctx);
 846                 goto done;
 847                 }
 848         req = OCSP_REQUEST_new();
 849         if (!req)
 850                 goto err;
 851         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 852         X509_free(obj.data.x509);
 853         X509_STORE_CTX_cleanup(&inctx);
 854         if (!id)
 855                 goto err;
 856         if (!OCSP_request_add0_id(req, id))
 857                 goto err;
 858         id = NULL;
 859         /* Add any extensions to the request */
 860         SSL_get_tlsext_status_exts(s, &exts);
 861         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 862                 {
 863                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 864                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 865                         goto err;
 866                 }
 867         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 868                                         srctx->timeout);
 869         if (!resp)
 870                 {
 871                 BIO_puts(err, "cert_status: error querying responder\n");
 872                 goto done;
 873                 }
 874         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 875         if (rspderlen <= 0)
 876                 goto err;
 877         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 878         if (srctx->verbose)
 879                 {
 880                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 881                 OCSP_RESPONSE_print(err, resp, 2);
 882                 }
 883         ret = SSL_TLSEXT_ERR_OK;
 884         done:
 885         if (ret != SSL_TLSEXT_ERR_OK)
 886                 ERR_print_errors(err);
 887         if (aia)
 888                 {
 889                 OPENSSL_free(host);
 890                 OPENSSL_free(path);
 891                 OPENSSL_free(port);
 892                 X509_email_free(aia);
 893                 }
 894         if (id)
 895                 OCSP_CERTID_free(id);
 896         if (req)
 897                 OCSP_REQUEST_free(req);
 898         if (resp)
 899                 OCSP_RESPONSE_free(resp);
 900         return ret;
 901         err:
 902         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 903         goto done;
 904         }
 905
 906 # ifndef OPENSSL_NO_NEXTPROTONEG
 907 /* This is the context that we pass to next_proto_cb */
 908 typedef struct tlsextnextprotoctx_st {
 909         unsigned char *data;
 910         unsigned int len;
 911 } tlsextnextprotoctx;
 912
 913 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 914         {
 915         tlsextnextprotoctx *next_proto = arg;
 916
 917         *data = next_proto->data;
 918         *len = next_proto->len;
 919
 920         return SSL_TLSEXT_ERR_OK;
 921         }
 922 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 923
 924
 925 #endif
 926
 927 int MAIN(int, char **);
 928
 929 #ifndef OPENSSL_NO_JPAKE
 930 static char *jpake_secret = NULL;
 931 #endif
 932 #ifndef OPENSSL_NO_SRP
 933         static srpsrvparm srp_callback_parm;
 934 #endif
 935 static char *srtp_profiles = NULL;
 936
 937 int MAIN(int argc, char *argv[])
 938         {
 939         X509_VERIFY_PARAM *vpm = NULL;
 940         int badarg = 0;
 941         short port=PORT;
 942         char *CApath=NULL,*CAfile=NULL;
 943         unsigned char *context = NULL;
 944         char *dhfile = NULL;
 945 #ifndef OPENSSL_NO_ECDH
 946         char *named_curve = NULL;
 947 #endif
 948         int badop=0,bugs=0;
 949         int ret=1;
 950         int off=0;
 951         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 952         int state=0;
 953         const SSL_METHOD *meth=NULL;
 954         int socket_type=SOCK_STREAM;
 955         ENGINE *e=NULL;
 956         char *inrand=NULL;
 957         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 958         char *passarg = NULL, *pass = NULL;
 959         char *dpassarg = NULL, *dpass = NULL;
 960         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 961         X509 *s_cert = NULL, *s_dcert = NULL;
 962         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 963         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 964         int no_cache = 0;
 965 #ifndef OPENSSL_NO_TLSEXT
 966         EVP_PKEY *s_key2 = NULL;
 967         X509 *s_cert2 = NULL;
 968         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 969 # ifndef OPENSSL_NO_NEXTPROTONEG
 970         const char *next_proto_neg_in = NULL;
 971         tlsextnextprotoctx next_proto;
 972 # endif
 973 #endif
 974 #ifndef OPENSSL_NO_PSK
 975         /* by default do not send a PSK identity hint */
 976         static char *psk_identity_hint=NULL;
 977 #endif
 978 #ifndef OPENSSL_NO_SRP
 979         char *srpuserseed = NULL;
 980         char *srp_verifier_file = NULL;
 981 #endif
 982         meth=SSLv23_server_method();
 983
 984         local_argc=argc;
 985         local_argv=argv;
 986
 987         apps_startup();
 988 #ifdef MONOLITH
 989         s_server_init();
 990 #endif
 991
 992         if (bio_err == NULL)
 993                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 994
 995         if (!load_config(bio_err, NULL))
 996                 goto end;
 997
 998         verify_depth=0;
 999 #ifdef FIONBIO
1000         s_nbio=0;
1001 #endif
1002         s_nbio_test=0;
1003
1004         argc--;
1005         argv++;
1006
1007         while (argc >= 1)
1008                 {
1009                 if      ((strcmp(*argv,"-port") == 0) ||
1010                          (strcmp(*argv,"-accept") == 0))
1011                         {
1012                         if (--argc < 1) goto bad;
1013                         if (!extract_port(*(++argv),&port))
1014                                 goto bad;
1015                         }
1016                 else if (strcmp(*argv,"-verify") == 0)
1017                         {
1018                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1019                         if (--argc < 1) goto bad;
1020                         verify_depth=atoi(*(++argv));
1021                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1022                         }
1023                 else if (strcmp(*argv,"-Verify") == 0)
1024                         {
1025                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1026                                 SSL_VERIFY_CLIENT_ONCE;
1027                         if (--argc < 1) goto bad;
1028                         verify_depth=atoi(*(++argv));
1029                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1030                         }
1031                 else if (strcmp(*argv,"-context") == 0)
1032                         {
1033                         if (--argc < 1) goto bad;
1034                         context= (unsigned char *)*(++argv);
1035                         }
1036                 else if (strcmp(*argv,"-cert") == 0)
1037                         {
1038                         if (--argc < 1) goto bad;
1039                         s_cert_file= *(++argv);
1040                         }
1041 #ifndef OPENSSL_NO_TLSEXT
1042                 else if (strcmp(*argv,"-authz") == 0)
1043                         {
1044                         if (--argc < 1) goto bad;
1045                         s_authz_file = *(++argv);
1046                         }
1047 #endif
1048                 else if (strcmp(*argv,"-certform") == 0)
1049                         {
1050                         if (--argc < 1) goto bad;
1051                         s_cert_format = str2fmt(*(++argv));
1052                         }
1053                 else if (strcmp(*argv,"-key") == 0)
1054                         {
1055                         if (--argc < 1) goto bad;
1056                         s_key_file= *(++argv);
1057                         }
1058                 else if (strcmp(*argv,"-keyform") == 0)
1059                         {
1060                         if (--argc < 1) goto bad;
1061                         s_key_format = str2fmt(*(++argv));
1062                         }
1063                 else if (strcmp(*argv,"-pass") == 0)
1064                         {
1065                         if (--argc < 1) goto bad;
1066                         passarg = *(++argv);
1067                         }
1068                 else if (strcmp(*argv,"-cert_chain") == 0)
1069                         {
1070                         if (--argc < 1) goto bad;
1071                         s_chain_file= *(++argv);
1072                         }
1073                 else if (strcmp(*argv,"-dhparam") == 0)
1074                         {
1075                         if (--argc < 1) goto bad;
1076                         dhfile = *(++argv);
1077                         }
1078 #ifndef OPENSSL_NO_ECDH
1079                 else if (strcmp(*argv,"-named_curve") == 0)
1080                         {
1081                         if (--argc < 1) goto bad;
1082                         named_curve = *(++argv);
1083                         }
1084 #endif
1085                 else if (strcmp(*argv,"-dcertform") == 0)
1086                         {
1087                         if (--argc < 1) goto bad;
1088                         s_dcert_format = str2fmt(*(++argv));
1089                         }
1090                 else if (strcmp(*argv,"-dcert") == 0)
1091                         {
1092                         if (--argc < 1) goto bad;
1093                         s_dcert_file= *(++argv);
1094                         }
1095                 else if (strcmp(*argv,"-dkeyform") == 0)
1096                         {
1097                         if (--argc < 1) goto bad;
1098                         s_dkey_format = str2fmt(*(++argv));
1099                         }
1100                 else if (strcmp(*argv,"-dpass") == 0)
1101                         {
1102                         if (--argc < 1) goto bad;
1103                         dpassarg = *(++argv);
1104                         }
1105                 else if (strcmp(*argv,"-dkey") == 0)
1106                         {
1107                         if (--argc < 1) goto bad;
1108                         s_dkey_file= *(++argv);
1109                         }
1110                 else if (strcmp(*argv,"-dcert_chain") == 0)
1111                         {
1112                         if (--argc < 1) goto bad;
1113                         s_dchain_file= *(++argv);
1114                         }
1115                 else if (strcmp(*argv,"-nocert") == 0)
1116                         {
1117                         nocert=1;
1118                         }
1119                 else if (strcmp(*argv,"-CApath") == 0)
1120                         {
1121                         if (--argc < 1) goto bad;
1122                         CApath= *(++argv);
1123                         }
1124                 else if (strcmp(*argv,"-no_cache") == 0)
1125                         no_cache = 1;
1126                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1127                         {
1128                         if (badarg)
1129                                 goto bad;
1130                         continue;
1131                         }
1132                 else if (strcmp(*argv,"-verify_return_error") == 0)
1133                         verify_return_error = 1;
1134                 else if (strcmp(*argv,"-serverpref") == 0)
1135                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1136                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1137                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1138                 else if (strcmp(*argv,"-cipher") == 0)
1139                         {
1140                         if (--argc < 1) goto bad;
1141                         cipher= *(++argv);
1142                         }
1143                 else if (strcmp(*argv,"-CAfile") == 0)
1144                         {
1145                         if (--argc < 1) goto bad;
1146                         CAfile= *(++argv);
1147                         }
1148 #ifdef FIONBIO
1149                 else if (strcmp(*argv,"-nbio") == 0)
1150                         { s_nbio=1; }
1151 #endif
1152                 else if (strcmp(*argv,"-nbio_test") == 0)
1153                         {
1154 #ifdef FIONBIO
1155                         s_nbio=1;
1156 #endif
1157                         s_nbio_test=1;
1158                         }
1159                 else if (strcmp(*argv,"-debug") == 0)
1160                         { s_debug=1; }
1161 #ifndef OPENSSL_NO_TLSEXT
1162                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1163                         s_tlsextdebug=1;
1164                 else if (strcmp(*argv,"-status") == 0)
1165                         s_tlsextstatus=1;
1166                 else if (strcmp(*argv,"-status_verbose") == 0)
1167                         {
1168                         s_tlsextstatus=1;
1169                         tlscstatp.verbose = 1;
1170                         }
1171                 else if (!strcmp(*argv, "-status_timeout"))
1172                         {
1173                         s_tlsextstatus=1;
1174                         if (--argc < 1) goto bad;
1175                         tlscstatp.timeout = atoi(*(++argv));
1176                         }
1177                 else if (!strcmp(*argv, "-status_url"))
1178                         {
1179                         s_tlsextstatus=1;
1180                         if (--argc < 1) goto bad;
1181                         if (!OCSP_parse_url(*(++argv),
1182                                         &tlscstatp.host,
1183                                         &tlscstatp.port,
1184                                         &tlscstatp.path,
1185                                         &tlscstatp.use_ssl))
1186                                 {
1187                                 BIO_printf(bio_err, "Error parsing URL\n");
1188                                 goto bad;
1189                                 }
1190                         }
1191                 else if (strcmp(*argv,"-curves") == 0)
1192                         {
1193                         if (--argc < 1) goto bad;
1194                         curves= *(++argv);
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
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                 else if (strcmp(*argv,"-use_srtp") == 0)
1355                         {
1356                         if (--argc < 1) goto bad;
1357                         srtp_profiles = *(++argv);
1358                         }
1359                 else if (strcmp(*argv,"-keymatexport") == 0)
1360                         {
1361                         if (--argc < 1) goto bad;
1362                         keymatexportlabel= *(++argv);
1363                         }
1364                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1365                         {
1366                         if (--argc < 1) goto bad;
1367                         keymatexportlen=atoi(*(++argv));
1368                         if (keymatexportlen == 0) goto bad;
1369                         }
1370                 else
1371                         {
1372                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1373                         badop=1;
1374                         break;
1375                         }
1376                 argc--;
1377                 argv++;
1378                 }
1379         if (badop)
1380                 {
1381 bad:
1382                 sv_usage();
1383                 goto end;
1384                 }
1385
1386 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1387         if (jpake_secret)
1388                 {
1389                 if (psk_key)
1390                         {
1391                         BIO_printf(bio_err,
1392                                    "Can't use JPAKE and PSK together\n");
1393                         goto end;
1394                         }
1395                 psk_identity = "JPAKE";
1396                 if (cipher)
1397                         {
1398                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1399                         goto end;
1400                         }
1401                 cipher = "PSK";
1402                 }
1403
1404 #endif
1405
1406         SSL_load_error_strings();
1407         OpenSSL_add_ssl_algorithms();
1408
1409 #ifndef OPENSSL_NO_ENGINE
1410         e = setup_engine(bio_err, engine_id, 1);
1411 #endif
1412
1413         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1414                 {
1415                 BIO_printf(bio_err, "Error getting password\n");
1416                 goto end;
1417                 }
1418
1419
1420         if (s_key_file == NULL)
1421                 s_key_file = s_cert_file;
1422 #ifndef OPENSSL_NO_TLSEXT
1423         if (s_key_file2 == NULL)
1424                 s_key_file2 = s_cert_file2;
1425 #endif
1426
1427         if (nocert == 0)
1428                 {
1429                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1430                        "server certificate private key file");
1431                 if (!s_key)
1432                         {
1433                         ERR_print_errors(bio_err);
1434                         goto end;
1435                         }
1436
1437                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1438                         NULL, e, "server certificate file");
1439
1440                 if (!s_cert)
1441                         {
1442                         ERR_print_errors(bio_err);
1443                         goto end;
1444                         }
1445                 if (s_chain_file)
1446                         {
1447                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1448                                         NULL, e, "server certificate chain");
1449                         if (!s_chain)
1450                                 goto end;
1451                         }
1452
1453 #ifndef OPENSSL_NO_TLSEXT
1454                 if (tlsextcbp.servername)
1455                         {
1456                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1457                                 "second server certificate private key file");
1458                         if (!s_key2)
1459                                 {
1460                                 ERR_print_errors(bio_err);
1461                                 goto end;
1462                                 }
1463
1464                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1465                                 NULL, e, "second server certificate file");
1466
1467                         if (!s_cert2)
1468                                 {
1469                                 ERR_print_errors(bio_err);
1470                                 goto end;
1471                                 }
1472                         }
1473 #endif /* OPENSSL_NO_TLSEXT */
1474                 }
1475
1476 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1477         if (next_proto_neg_in)
1478                 {
1479                 unsigned short len;
1480                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1481                 if (next_proto.data == NULL)
1482                         goto end;
1483                 next_proto.len = len;
1484                 }
1485         else
1486                 {
1487                 next_proto.data = NULL;
1488                 }
1489 #endif
1490
1491
1492         if (s_dcert_file)
1493                 {
1494
1495                 if (s_dkey_file == NULL)
1496                         s_dkey_file = s_dcert_file;
1497
1498                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1499                                 0, dpass, e,
1500                                "second certificate private key file");
1501                 if (!s_dkey)
1502                         {
1503                         ERR_print_errors(bio_err);
1504                         goto end;
1505                         }
1506
1507                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1508                                 NULL, e, "second server certificate file");
1509
1510                 if (!s_dcert)
1511                         {
1512                         ERR_print_errors(bio_err);
1513                         goto end;
1514                         }
1515                 if (s_dchain_file)
1516                         {
1517                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1518                                 NULL, e, "second server certificate chain");
1519                         if (!s_dchain)
1520                                 goto end;
1521                         }
1522
1523                 }
1524
1525         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1526                 && !RAND_status())
1527                 {
1528                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1529                 }
1530         if (inrand != NULL)
1531                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1532                         app_RAND_load_files(inrand));
1533
1534         if (bio_s_out == NULL)
1535                 {
1536                 if (s_quiet && !s_debug && !s_msg)
1537                         {
1538                         bio_s_out=BIO_new(BIO_s_null());
1539                         }
1540                 else
1541                         {
1542                         if (bio_s_out == NULL)
1543                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1544                         }
1545                 }
1546
1547 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1548         if (nocert)
1549 #endif
1550                 {
1551                 s_cert_file=NULL;
1552                 s_key_file=NULL;
1553                 s_dcert_file=NULL;
1554                 s_dkey_file=NULL;
1555 #ifndef OPENSSL_NO_TLSEXT
1556                 s_cert_file2=NULL;
1557                 s_key_file2=NULL;
1558 #endif
1559                 }
1560
1561         ctx=SSL_CTX_new(meth);
1562         if (ctx == NULL)
1563                 {
1564                 ERR_print_errors(bio_err);
1565                 goto end;
1566                 }
1567         if (session_id_prefix)
1568                 {
1569                 if(strlen(session_id_prefix) >= 32)
1570                         BIO_printf(bio_err,
1571 "warning: id_prefix is too long, only one new session will be possible\n");
1572                 else if(strlen(session_id_prefix) >= 16)
1573                         BIO_printf(bio_err,
1574 "warning: id_prefix is too long if you use SSLv2\n");
1575                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1576                         {
1577                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1578                         ERR_print_errors(bio_err);
1579                         goto end;
1580                         }
1581                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1582                 }
1583         SSL_CTX_set_quiet_shutdown(ctx,1);
1584         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1585         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1586         SSL_CTX_set_options(ctx,off);
1587         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1588          * Setting read ahead solves this problem.
1589          */
1590         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1591
1592         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1593         if (no_cache)
1594                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1595         else
1596                 SSL_CTX_sess_set_cache_size(ctx,128);
1597
1598         if (srtp_profiles != NULL)
1599                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1600
1601 #if 0
1602         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1603 #endif
1604
1605 #if 0
1606         if (s_cert_file == NULL)
1607                 {
1608                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1609                 goto end;
1610                 }
1611 #endif
1612
1613         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1614                 (!SSL_CTX_set_default_verify_paths(ctx)))
1615                 {
1616                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1617                 ERR_print_errors(bio_err);
1618                 /* goto end; */
1619                 }
1620         if (vpm)
1621                 SSL_CTX_set1_param(ctx, vpm);
1622
1623 #ifndef OPENSSL_NO_TLSEXT
1624         if (s_cert2)
1625                 {
1626                 ctx2=SSL_CTX_new(meth);
1627                 if (ctx2 == NULL)
1628                         {
1629                         ERR_print_errors(bio_err);
1630                         goto end;
1631                         }
1632                 }
1633
1634         if (ctx2)
1635                 {
1636                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1637
1638                 if (session_id_prefix)
1639                         {
1640                         if(strlen(session_id_prefix) >= 32)
1641                                 BIO_printf(bio_err,
1642                                         "warning: id_prefix is too long, only one new session will be possible\n");
1643                         else if(strlen(session_id_prefix) >= 16)
1644                                 BIO_printf(bio_err,
1645                                         "warning: id_prefix is too long if you use SSLv2\n");
1646                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1647                                 {
1648                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1649                                 ERR_print_errors(bio_err);
1650                                 goto end;
1651                                 }
1652                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1653                         }
1654                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1655                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1656                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1657                 SSL_CTX_set_options(ctx2,off);
1658                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1659                  * Setting read ahead solves this problem.
1660                  */
1661                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1662
1663                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1664
1665                 if (no_cache)
1666                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1667                 else
1668                         SSL_CTX_sess_set_cache_size(ctx2,128);
1669
1670                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1671                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1672                         {
1673                         ERR_print_errors(bio_err);
1674                         }
1675                 if (vpm)
1676                         SSL_CTX_set1_param(ctx2, vpm);
1677                 }
1678
1679 # ifndef OPENSSL_NO_NEXTPROTONEG
1680         if (next_proto.data)
1681                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1682 # endif
1683 #endif
1684
1685 #ifndef OPENSSL_NO_DH
1686         if (!no_dhe)
1687                 {
1688                 DH *dh=NULL;
1689
1690                 if (dhfile)
1691                         dh = load_dh_param(dhfile);
1692                 else if (s_cert_file)
1693                         dh = load_dh_param(s_cert_file);
1694
1695                 if (dh != NULL)
1696                         {
1697                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1698                         }
1699                 else
1700                         {
1701                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1702                         dh=get_dh512();
1703                         }
1704                 (void)BIO_flush(bio_s_out);
1705
1706                 SSL_CTX_set_tmp_dh(ctx,dh);
1707 #ifndef OPENSSL_NO_TLSEXT
1708                 if (ctx2)
1709                         {
1710                         if (!dhfile)
1711                                 {
1712                                 DH *dh2=load_dh_param(s_cert_file2);
1713                                 if (dh2 != NULL)
1714                                         {
1715                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1716                                         (void)BIO_flush(bio_s_out);
1717
1718                                         DH_free(dh);
1719                                         dh = dh2;
1720                                         }
1721                                 }
1722                         SSL_CTX_set_tmp_dh(ctx2,dh);
1723                         }
1724 #endif
1725                 DH_free(dh);
1726                 }
1727 #endif
1728
1729 #ifndef OPENSSL_NO_ECDH
1730         if (!no_ecdhe)
1731                 {
1732                 EC_KEY *ecdh=NULL;
1733
1734                 if (named_curve && strcmp(named_curve, "auto"))
1735                         {
1736                         int nid = EC_curve_nist2nid(named_curve);
1737                         if (nid == NID_undef)
1738                                 nid = OBJ_sn2nid(named_curve);
1739                         if (nid == 0)
1740                                 {
1741                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1742                                         named_curve);
1743                                 goto end;
1744                                 }
1745                         ecdh = EC_KEY_new_by_curve_name(nid);
1746                         if (ecdh == NULL)
1747                                 {
1748                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1749                                         named_curve);
1750                                 goto end;
1751                                 }
1752                         }
1753
1754                 if (ecdh != NULL)
1755                         {
1756                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1757                         }
1758                 else if (named_curve)
1759                         SSL_CTX_set_ecdh_auto(ctx, 1);
1760                 else
1761                         {
1762                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1763                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1764                         if (ecdh == NULL)
1765                                 {
1766                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1767                                 goto end;
1768                                 }
1769                         }
1770                 (void)BIO_flush(bio_s_out);
1771
1772                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1773 #ifndef OPENSSL_NO_TLSEXT
1774                 if (ctx2)
1775                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1776 #endif
1777                 EC_KEY_free(ecdh);
1778                 }
1779 #endif
1780
1781         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1782                 goto end;
1783 #ifndef OPENSSL_NO_TLSEXT
1784         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1785                 goto end;
1786 #endif
1787 #ifndef OPENSSL_NO_TLSEXT
1788         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1789                 goto end;
1790 #endif
1791         if (s_dcert != NULL)
1792                 {
1793                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1794                         goto end;
1795                 }
1796
1797 #ifndef OPENSSL_NO_RSA
1798 #if 1
1799         if (!no_tmp_rsa)
1800                 {
1801                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1802 #ifndef OPENSSL_NO_TLSEXT
1803                 if (ctx2)
1804                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1805 #endif
1806                 }
1807 #else
1808         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1809                 {
1810                 RSA *rsa;
1811
1812                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1813                 BIO_flush(bio_s_out);
1814
1815                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1816
1817                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1818                         {
1819                         ERR_print_errors(bio_err);
1820                         goto end;
1821                         }
1822 #ifndef OPENSSL_NO_TLSEXT
1823                         if (ctx2)
1824                                 {
1825                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1826                                         {
1827                                         ERR_print_errors(bio_err);
1828                                         goto end;
1829                                         }
1830                                 }
1831 #endif
1832                 RSA_free(rsa);
1833                 BIO_printf(bio_s_out,"\n");
1834                 }
1835 #endif
1836 #endif
1837
1838 #ifndef OPENSSL_NO_PSK
1839 #ifdef OPENSSL_NO_JPAKE
1840         if (psk_key != NULL)
1841 #else
1842         if (psk_key != NULL || jpake_secret)
1843 #endif
1844                 {
1845                 if (s_debug)
1846                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1847                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1848                 }
1849
1850         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1851                 {
1852                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1853                 ERR_print_errors(bio_err);
1854                 goto end;
1855                 }
1856 #endif
1857
1858         if (cipher != NULL)
1859                 {
1860                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1861                         {
1862                         BIO_printf(bio_err,"error setting cipher list\n");
1863                         ERR_print_errors(bio_err);
1864                         goto end;
1865                         }
1866 #ifndef OPENSSL_NO_TLSEXT
1867                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1868                         {
1869                         BIO_printf(bio_err,"error setting cipher list\n");
1870                         ERR_print_errors(bio_err);
1871                         goto end;
1872                         }
1873 #endif
1874                 }
1875 #ifndef OPENSSL_NO_TLSEXT
1876         if (curves)
1877                 {
1878                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1879                         {
1880                         BIO_printf(bio_err,"error setting curves list\n");
1881                         ERR_print_errors(bio_err);
1882                         goto end;
1883                         }
1884                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1885                         {
1886                         BIO_printf(bio_err,"error setting curves list\n");
1887                         ERR_print_errors(bio_err);
1888                         goto end;
1889                         }
1890                 }
1891 #endif
1892         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1893         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1894                 sizeof s_server_session_id_context);
1895
1896         /* Set DTLS cookie generation and verification callbacks */
1897         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1898         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1899
1900 #ifndef OPENSSL_NO_TLSEXT
1901         if (ctx2)
1902                 {
1903                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1904                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1905                         sizeof s_server_session_id_context);
1906
1907                 tlsextcbp.biodebug = bio_s_out;
1908                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1909                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1910                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1911                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1912                 }
1913 #endif
1914
1915 #ifndef OPENSSL_NO_SRP
1916         if (srp_verifier_file != NULL)
1917                 {
1918                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1919                 srp_callback_parm.user = NULL;
1920                 srp_callback_parm.login = NULL;
1921                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1922                         {
1923                         BIO_printf(bio_err,
1924                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1925                                    srp_verifier_file, ret);
1926                                 goto end;
1927                         }
1928                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1929                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1930                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1931                 }
1932         else
1933 #endif
1934         if (CAfile != NULL)
1935                 {
1936                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1937 #ifndef OPENSSL_NO_TLSEXT
1938                 if (ctx2)
1939                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1940 #endif
1941                 }
1942
1943         BIO_printf(bio_s_out,"ACCEPT\n");
1944         (void)BIO_flush(bio_s_out);
1945         if (www)
1946                 do_server(port,socket_type,&accept_socket,www_body, context);
1947         else
1948                 do_server(port,socket_type,&accept_socket,sv_body, context);
1949         print_stats(bio_s_out,ctx);
1950         ret=0;
1951 end:
1952         if (ctx != NULL) SSL_CTX_free(ctx);
1953         if (s_cert)
1954                 X509_free(s_cert);
1955         if (s_dcert)
1956                 X509_free(s_dcert);
1957         if (s_key)
1958                 EVP_PKEY_free(s_key);
1959         if (s_dkey)
1960                 EVP_PKEY_free(s_dkey);
1961         if (s_chain)
1962                 sk_X509_pop_free(s_chain, X509_free);
1963         if (s_dchain)
1964                 sk_X509_pop_free(s_dchain, X509_free);
1965         if (pass)
1966                 OPENSSL_free(pass);
1967         if (dpass)
1968                 OPENSSL_free(dpass);
1969         if (vpm)
1970                 X509_VERIFY_PARAM_free(vpm);
1971 #ifndef OPENSSL_NO_TLSEXT
1972         if (tlscstatp.host)
1973                 OPENSSL_free(tlscstatp.host);
1974         if (tlscstatp.port)
1975                 OPENSSL_free(tlscstatp.port);
1976         if (tlscstatp.path)
1977                 OPENSSL_free(tlscstatp.path);
1978         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1979         if (s_cert2)
1980                 X509_free(s_cert2);
1981         if (s_key2)
1982                 EVP_PKEY_free(s_key2);
1983         if (authz_in != NULL)
1984                 BIO_free(authz_in);
1985 #endif
1986         if (bio_s_out != NULL)
1987                 {
1988         BIO_free(bio_s_out);
1989                 bio_s_out=NULL;
1990                 }
1991         apps_shutdown();
1992         OPENSSL_EXIT(ret);
1993         }
1994
1995 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1996         {
1997         BIO_printf(bio,"%4ld items in the session cache\n",
1998                 SSL_CTX_sess_number(ssl_ctx));
1999         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2000                 SSL_CTX_sess_connect(ssl_ctx));
2001         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2002                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2003         BIO_printf(bio,"%4ld client connects that finished\n",
2004                 SSL_CTX_sess_connect_good(ssl_ctx));
2005         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2006                 SSL_CTX_sess_accept(ssl_ctx));
2007         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2008                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2009         BIO_printf(bio,"%4ld server accepts that finished\n",
2010                 SSL_CTX_sess_accept_good(ssl_ctx));
2011         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2012         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2013         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2014         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2015         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2016                 SSL_CTX_sess_cache_full(ssl_ctx),
2017                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2018         }
2019
2020 static int sv_body(char *hostname, int s, unsigned char *context)
2021         {
2022         char *buf=NULL;
2023         fd_set readfds;
2024         int ret=1,width;
2025         int k,i;
2026         unsigned long l;
2027         SSL *con=NULL;
2028         BIO *sbio;
2029 #ifndef OPENSSL_NO_KRB5
2030         KSSL_CTX *kctx;
2031 #endif
2032         struct timeval timeout;
2033 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2034         struct timeval tv;
2035 #else
2036         struct timeval *timeoutp;
2037 #endif
2038
2039         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2040                 {
2041                 BIO_printf(bio_err,"out of memory\n");
2042                 goto err;
2043                 }
2044 #ifdef FIONBIO
2045         if (s_nbio)
2046                 {
2047                 unsigned long sl=1;
2048
2049                 if (!s_quiet)
2050                         BIO_printf(bio_err,"turning on non blocking io\n");
2051                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2052                         ERR_print_errors(bio_err);
2053                 }
2054 #endif
2055
2056         if (con == NULL) {
2057                 con=SSL_new(ctx);
2058 #ifndef OPENSSL_NO_TLSEXT
2059         if (s_tlsextdebug)
2060                 {
2061                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2062                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2063                 }
2064         if (s_tlsextstatus)
2065                 {
2066                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2067                 tlscstatp.err = bio_err;
2068                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2069                 }
2070 #endif
2071 #ifndef OPENSSL_NO_KRB5
2072                 if ((kctx = kssl_ctx_new()) != NULL)
2073                         {
2074                         SSL_set0_kssl_ctx(con, kctx);
2075                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2076                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2077                         }
2078 #endif  /* OPENSSL_NO_KRB5 */
2079                 if(context)
2080                       SSL_set_session_id_context(con, context,
2081                                                  strlen((char *)context));
2082         }
2083         SSL_clear(con);
2084 #if 0
2085 #ifdef TLSEXT_TYPE_opaque_prf_input
2086         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2087 #endif
2088 #endif
2089
2090         if (SSL_version(con) == DTLS1_VERSION)
2091                 {
2092
2093                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2094
2095                 if (enable_timeouts)
2096                         {
2097                         timeout.tv_sec = 0;
2098                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2099                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2100
2101                         timeout.tv_sec = 0;
2102                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2103                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2104                         }
2105
2106                 if (socket_mtu > 28)
2107                         {
2108                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2109                         SSL_set_mtu(con, socket_mtu - 28);
2110                         }
2111                 else
2112                         /* want to do MTU discovery */
2113                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2114
2115         /* turn on cookie exchange */
2116         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2117                 }
2118         else
2119                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2120
2121         if (s_nbio_test)
2122                 {
2123                 BIO *test;
2124
2125                 test=BIO_new(BIO_f_nbio_test());
2126                 sbio=BIO_push(test,sbio);
2127                 }
2128 #ifndef OPENSSL_NO_JPAKE
2129         if(jpake_secret)
2130                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2131 #endif
2132
2133         SSL_set_bio(con,sbio,sbio);
2134         SSL_set_accept_state(con);
2135         /* SSL_set_fd(con,s); */
2136
2137         if (s_debug)
2138                 {
2139                 SSL_set_debug(con, 1);
2140                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2141                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2142                 }
2143         if (s_msg)
2144                 {
2145                 SSL_set_msg_callback(con, msg_cb);
2146                 SSL_set_msg_callback_arg(con, bio_s_out);
2147                 }
2148 #ifndef OPENSSL_NO_TLSEXT
2149         if (s_tlsextdebug)
2150                 {
2151                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2152                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2153                 }
2154 #endif
2155
2156         width=s+1;
2157         for (;;)
2158                 {
2159                 int read_from_terminal;
2160                 int read_from_sslcon;
2161
2162                 read_from_terminal = 0;
2163                 read_from_sslcon = SSL_pending(con);
2164
2165                 if (!read_from_sslcon)
2166                         {
2167                         FD_ZERO(&readfds);
2168 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2169                         openssl_fdset(fileno(stdin),&readfds);
2170 #endif
2171                         openssl_fdset(s,&readfds);
2172                         /* Note: under VMS with SOCKETSHR the second parameter is
2173                          * currently of type (int *) whereas under other systems
2174                          * it is (void *) if you don't have a cast it will choke
2175                          * the compiler: if you do have a cast then you can either
2176                          * go for (int *) or (void *).
2177                          */
2178 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2179                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2180                          * on sockets. As a workaround we timeout the select every
2181                          * second and check for any keypress. In a proper Windows
2182                          * application we wouldn't do this because it is inefficient.
2183                          */
2184                         tv.tv_sec = 1;
2185                         tv.tv_usec = 0;
2186                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2187                         if((i < 0) || (!i && !_kbhit() ) )continue;
2188                         if(_kbhit())
2189                                 read_from_terminal = 1;
2190 #elif defined(OPENSSL_SYS_BEOS_R5)
2191                         /* Under BeOS-R5 the situation is similar to DOS */
2192                         tv.tv_sec = 1;
2193                         tv.tv_usec = 0;
2194                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2195                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2196                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2197                                 continue;
2198                         if (read(fileno(stdin), buf, 0) >= 0)
2199                                 read_from_terminal = 1;
2200                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2201 #else
2202                         if ((SSL_version(con) == DTLS1_VERSION) &&
2203                                 DTLSv1_get_timeout(con, &timeout))
2204                                 timeoutp = &timeout;
2205                         else
2206                                 timeoutp = NULL;
2207
2208                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2209
2210                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2211                                 {
2212                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2213                                 }
2214
2215                         if (i <= 0) continue;
2216                         if (FD_ISSET(fileno(stdin),&readfds))
2217                                 read_from_terminal = 1;
2218 #endif
2219                         if (FD_ISSET(s,&readfds))
2220                                 read_from_sslcon = 1;
2221                         }
2222                 if (read_from_terminal)
2223                         {
2224                         if (s_crlf)
2225                                 {
2226                                 int j, lf_num;
2227
2228                                 i=raw_read_stdin(buf, bufsize/2);
2229                                 lf_num = 0;
2230                                 /* both loops are skipped when i <= 0 */
2231                                 for (j = 0; j < i; j++)
2232                                         if (buf[j] == '\n')
2233                                                 lf_num++;
2234                                 for (j = i-1; j >= 0; j--)
2235                                         {
2236                                         buf[j+lf_num] = buf[j];
2237                                         if (buf[j] == '\n')
2238                                                 {
2239                                                 lf_num--;
2240                                                 i++;
2241                                                 buf[j+lf_num] = '\r';
2242                                                 }
2243                                         }
2244                                 assert(lf_num == 0);
2245                                 }
2246                         else
2247                                 i=raw_read_stdin(buf,bufsize);
2248                         if (!s_quiet)
2249                                 {
2250                                 if ((i <= 0) || (buf[0] == 'Q'))
2251                                         {
2252                                         BIO_printf(bio_s_out,"DONE\n");
2253                                         SHUTDOWN(s);
2254                                         close_accept_socket();
2255                                         ret= -11;
2256                                         goto err;
2257                                         }
2258                                 if ((i <= 0) || (buf[0] == 'q'))
2259                                         {
2260                                         BIO_printf(bio_s_out,"DONE\n");
2261                                         if (SSL_version(con) != DTLS1_VERSION)
2262                         SHUTDOWN(s);
2263         /*                              close_accept_socket();
2264                                         ret= -11;*/
2265                                         goto err;
2266                                         }
2267
2268 #ifndef OPENSSL_NO_HEARTBEATS
2269                                 if ((buf[0] == 'B') &&
2270                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2271                                         {
2272                                         BIO_printf(bio_err,"HEARTBEATING\n");
2273                                         SSL_heartbeat(con);
2274                                         i=0;
2275                                         continue;
2276                                         }
2277 #endif
2278                                 if ((buf[0] == 'r') &&
2279                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2280                                         {
2281                                         SSL_renegotiate(con);
2282                                         i=SSL_do_handshake(con);
2283                                         printf("SSL_do_handshake -> %d\n",i);
2284                                         i=0; /*13; */
2285                                         continue;
2286                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2287                                         }
2288                                 if ((buf[0] == 'R') &&
2289                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2290                                         {
2291                                         SSL_set_verify(con,
2292                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2293                                         SSL_renegotiate(con);
2294                                         i=SSL_do_handshake(con);
2295                                         printf("SSL_do_handshake -> %d\n",i);
2296                                         i=0; /* 13; */
2297                                         continue;
2298                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2299                                         }
2300                                 if (buf[0] == 'P')
2301                                         {
2302                                         static const char *str="Lets print some clear text\n";
2303                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2304                                         }
2305                                 if (buf[0] == 'S')
2306                                         {
2307                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2308                                         }
2309                                 }
2310 #ifdef CHARSET_EBCDIC
2311                         ebcdic2ascii(buf,buf,i);
2312 #endif
2313                         l=k=0;
2314                         for (;;)
2315                                 {
2316                                 /* should do a select for the write */
2317 #ifdef RENEG
2318 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2319 #endif
2320                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2321 #ifndef OPENSSL_NO_SRP
2322                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2323                                         {
2324                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2325                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2326                                         if (srp_callback_parm.user)
2327                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2328                                         else
2329                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2330                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2331                                         }
2332 #endif
2333                                 switch (SSL_get_error(con,k))
2334                                         {
2335                                 case SSL_ERROR_NONE:
2336                                         break;
2337                                 case SSL_ERROR_WANT_WRITE:
2338                                 case SSL_ERROR_WANT_READ:
2339                                 case SSL_ERROR_WANT_X509_LOOKUP:
2340                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2341                                         break;
2342                                 case SSL_ERROR_SYSCALL:
2343                                 case SSL_ERROR_SSL:
2344                                         BIO_printf(bio_s_out,"ERROR\n");
2345                                         ERR_print_errors(bio_err);
2346                                         ret=1;
2347                                         goto err;
2348                                         /* break; */
2349                                 case SSL_ERROR_ZERO_RETURN:
2350                                         BIO_printf(bio_s_out,"DONE\n");
2351                                         ret=1;
2352                                         goto err;
2353                                         }
2354                                 l+=k;
2355                                 i-=k;
2356                                 if (i <= 0) break;
2357                                 }
2358                         }
2359                 if (read_from_sslcon)
2360                         {
2361                         if (!SSL_is_init_finished(con))
2362                                 {
2363                                 i=init_ssl_connection(con);
2364
2365                                 if (i < 0)
2366                                         {
2367                                         ret=0;
2368                                         goto err;
2369                                         }
2370                                 else if (i == 0)
2371                                         {
2372                                         ret=1;
2373                                         goto err;
2374                                         }
2375                                 }
2376                         else
2377                                 {
2378 again:
2379                                 i=SSL_read(con,(char *)buf,bufsize);
2380 #ifndef OPENSSL_NO_SRP
2381                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2382                                         {
2383                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2384                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2385                                         if (srp_callback_parm.user)
2386                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2387                                         else
2388                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2389                                         i=SSL_read(con,(char *)buf,bufsize);
2390                                         }
2391 #endif
2392                                 switch (SSL_get_error(con,i))
2393                                         {
2394                                 case SSL_ERROR_NONE:
2395 #ifdef CHARSET_EBCDIC
2396                                         ascii2ebcdic(buf,buf,i);
2397 #endif
2398                                         raw_write_stdout(buf,
2399                                                 (unsigned int)i);
2400                                         if (SSL_pending(con)) goto again;
2401                                         break;
2402                                 case SSL_ERROR_WANT_WRITE:
2403                                 case SSL_ERROR_WANT_READ:
2404                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2405                                         break;
2406                                 case SSL_ERROR_SYSCALL:
2407                                 case SSL_ERROR_SSL:
2408                                         BIO_printf(bio_s_out,"ERROR\n");
2409                                         ERR_print_errors(bio_err);
2410                                         ret=1;
2411                                         goto err;
2412                                 case SSL_ERROR_ZERO_RETURN:
2413                                         BIO_printf(bio_s_out,"DONE\n");
2414                                         ret=1;
2415                                         goto err;
2416                                         }
2417                                 }
2418                         }
2419                 }
2420 err:
2421         if (con != NULL)
2422                 {
2423                 BIO_printf(bio_s_out,"shutting down SSL\n");
2424 #if 1
2425                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2426 #else
2427                 SSL_shutdown(con);
2428 #endif
2429                 SSL_free(con);
2430                 }
2431         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2432         if (buf != NULL)
2433                 {
2434                 OPENSSL_cleanse(buf,bufsize);
2435                 OPENSSL_free(buf);
2436                 }
2437         if (ret >= 0)
2438                 BIO_printf(bio_s_out,"ACCEPT\n");
2439         return(ret);
2440         }
2441
2442 static void close_accept_socket(void)
2443         {
2444         BIO_printf(bio_err,"shutdown accept socket\n");
2445         if (accept_socket >= 0)
2446                 {
2447                 SHUTDOWN2(accept_socket);
2448                 }
2449         }
2450
2451 static int init_ssl_connection(SSL *con)
2452         {
2453         int i;
2454         const char *str;
2455         X509 *peer;
2456         long verify_error;
2457         MS_STATIC char buf[BUFSIZ];
2458 #ifndef OPENSSL_NO_KRB5
2459         char *client_princ;
2460 #endif
2461 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2462         const unsigned char *next_proto_neg;
2463         unsigned next_proto_neg_len;
2464 #endif
2465         unsigned char *exportedkeymat;
2466
2467
2468         i=SSL_accept(con);
2469 #ifndef OPENSSL_NO_SRP
2470         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2471                 {
2472                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2473                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2474                         if (srp_callback_parm.user)
2475                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2476                         else
2477                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2478                         i=SSL_accept(con);
2479                 }
2480 #endif
2481         if (i <= 0)
2482                 {
2483                 if (BIO_sock_should_retry(i))
2484                         {
2485                         BIO_printf(bio_s_out,"DELAY\n");
2486                         return(1);
2487                         }
2488
2489                 BIO_printf(bio_err,"ERROR\n");
2490                 verify_error=SSL_get_verify_result(con);
2491                 if (verify_error != X509_V_OK)
2492                         {
2493                         BIO_printf(bio_err,"verify error:%s\n",
2494                                 X509_verify_cert_error_string(verify_error));
2495                         }
2496                 else
2497                         ERR_print_errors(bio_err);
2498                 return(0);
2499                 }
2500
2501         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2502
2503         peer=SSL_get_peer_certificate(con);
2504         if (peer != NULL)
2505                 {
2506                 BIO_printf(bio_s_out,"Client certificate\n");
2507                 PEM_write_bio_X509(bio_s_out,peer);
2508                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2509                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2510                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2511                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2512                 X509_free(peer);
2513                 }
2514
2515         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2516                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2517         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2518         ssl_print_sigalgs(bio_s_out, con);
2519         ssl_print_curves(bio_s_out, con);
2520         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2521
2522 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2523         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2524         if (next_proto_neg)
2525                 {
2526                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2527                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2528                 BIO_printf(bio_s_out, "\n");
2529                 }
2530 #endif
2531         {
2532         SRTP_PROTECTION_PROFILE *srtp_profile
2533           = SSL_get_selected_srtp_profile(con);
2534
2535         if(srtp_profile)
2536                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2537                            srtp_profile->name);
2538         }
2539         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2540         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2541                 TLS1_FLAGS_TLS_PADDING_BUG)
2542                 BIO_printf(bio_s_out,
2543                            "Peer has incorrect TLSv1 block padding\n");
2544 #ifndef OPENSSL_NO_KRB5
2545         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2546         if (client_princ != NULL)
2547                 {
2548                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2549                                                                 client_princ);
2550                 }
2551 #endif /* OPENSSL_NO_KRB5 */
2552         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2553                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2554         if (keymatexportlabel != NULL)
2555                 {
2556                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2557                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2558                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2559                            keymatexportlen);
2560                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2561                 if (exportedkeymat != NULL)
2562                         {
2563                         if (!SSL_export_keying_material(con, exportedkeymat,
2564                                                         keymatexportlen,
2565                                                         keymatexportlabel,
2566                                                         strlen(keymatexportlabel),
2567                                                         NULL, 0, 0))
2568                                 {
2569                                 BIO_printf(bio_s_out, "    Error\n");
2570                                 }
2571                         else
2572                                 {
2573                                 BIO_printf(bio_s_out, "    Keying material: ");
2574                                 for (i=0; i<keymatexportlen; i++)
2575                                         BIO_printf(bio_s_out, "%02X",
2576                                                    exportedkeymat[i]);
2577                                 BIO_printf(bio_s_out, "\n");
2578                                 }
2579                         OPENSSL_free(exportedkeymat);
2580                         }
2581                 }
2582
2583         return(1);
2584         }
2585
2586 #ifndef OPENSSL_NO_DH
2587 static DH *load_dh_param(const char *dhfile)
2588         {
2589         DH *ret=NULL;
2590         BIO *bio;
2591
2592         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2593                 goto err;
2594         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2595 err:
2596         if (bio != NULL) BIO_free(bio);
2597         return(ret);
2598         }
2599 #endif
2600 #ifndef OPENSSL_NO_KRB5
2601         char *client_princ;
2602 #endif
2603
2604 #if 0
2605 static int load_CA(SSL_CTX *ctx, char *file)
2606         {
2607         FILE *in;
2608         X509 *x=NULL;
2609
2610         if ((in=fopen(file,"r")) == NULL)
2611                 return(0);
2612
2613         for (;;)
2614                 {
2615                 if (PEM_read_X509(in,&x,NULL) == NULL)
2616                         break;
2617                 SSL_CTX_add_client_CA(ctx,x);
2618                 }
2619         if (x != NULL) X509_free(x);
2620         fclose(in);
2621         return(1);
2622         }
2623 #endif
2624
2625 static int www_body(char *hostname, int s, unsigned char *context)
2626         {
2627         char *buf=NULL;
2628         int ret=1;
2629         int i,j,k,dot;
2630         SSL *con;
2631         const SSL_CIPHER *c;
2632         BIO *io,*ssl_bio,*sbio;
2633 #ifndef OPENSSL_NO_KRB5
2634         KSSL_CTX *kctx;
2635 #endif
2636
2637         buf=OPENSSL_malloc(bufsize);
2638         if (buf == NULL) return(0);
2639         io=BIO_new(BIO_f_buffer());
2640         ssl_bio=BIO_new(BIO_f_ssl());
2641         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2642
2643 #ifdef FIONBIO
2644         if (s_nbio)
2645                 {
2646                 unsigned long sl=1;
2647
2648                 if (!s_quiet)
2649                         BIO_printf(bio_err,"turning on non blocking io\n");
2650                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2651                         ERR_print_errors(bio_err);
2652                 }
2653 #endif
2654
2655         /* lets make the output buffer a reasonable size */
2656         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2657
2658         if ((con=SSL_new(ctx)) == NULL) goto err;
2659 #ifndef OPENSSL_NO_TLSEXT
2660                 if (s_tlsextdebug)
2661                         {
2662                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2663                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2664                         }
2665 #endif
2666 #ifndef OPENSSL_NO_KRB5
2667         if ((kctx = kssl_ctx_new()) != NULL)
2668                 {
2669                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2670                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2671                 }
2672 #endif  /* OPENSSL_NO_KRB5 */
2673         if(context) SSL_set_session_id_context(con, context,
2674                                                strlen((char *)context));
2675
2676         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2677         if (s_nbio_test)
2678                 {
2679                 BIO *test;
2680
2681                 test=BIO_new(BIO_f_nbio_test());
2682                 sbio=BIO_push(test,sbio);
2683                 }
2684         SSL_set_bio(con,sbio,sbio);
2685         SSL_set_accept_state(con);
2686
2687         /* SSL_set_fd(con,s); */
2688         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2689         BIO_push(io,ssl_bio);
2690 #ifdef CHARSET_EBCDIC
2691         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2692 #endif
2693
2694         if (s_debug)
2695                 {
2696                 SSL_set_debug(con, 1);
2697                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2698                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2699                 }
2700         if (s_msg)
2701                 {
2702                 SSL_set_msg_callback(con, msg_cb);
2703                 SSL_set_msg_callback_arg(con, bio_s_out);
2704                 }
2705
2706         for (;;)
2707                 {
2708                 if (hack)
2709                         {
2710                         i=SSL_accept(con);
2711 #ifndef OPENSSL_NO_SRP
2712                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2713                 {
2714                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2715                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2716                         if (srp_callback_parm.user)
2717                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2718                         else
2719                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2720                         i=SSL_accept(con);
2721                 }
2722 #endif
2723                         switch (SSL_get_error(con,i))
2724                                 {
2725                         case SSL_ERROR_NONE:
2726                                 break;
2727                         case SSL_ERROR_WANT_WRITE:
2728                         case SSL_ERROR_WANT_READ:
2729                         case SSL_ERROR_WANT_X509_LOOKUP:
2730                                 continue;
2731                         case SSL_ERROR_SYSCALL:
2732                         case SSL_ERROR_SSL:
2733                         case SSL_ERROR_ZERO_RETURN:
2734                                 ret=1;
2735                                 goto err;
2736                                 /* break; */
2737                                 }
2738
2739                         SSL_renegotiate(con);
2740                         SSL_write(con,NULL,0);
2741                         }
2742
2743                 i=BIO_gets(io,buf,bufsize-1);
2744                 if (i < 0) /* error */
2745                         {
2746                         if (!BIO_should_retry(io))
2747                                 {
2748                                 if (!s_quiet)
2749                                         ERR_print_errors(bio_err);
2750                                 goto err;
2751                                 }
2752                         else
2753                                 {
2754                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2755 #if defined(OPENSSL_SYS_NETWARE)
2756             delay(1000);
2757 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2758                                 sleep(1);
2759 #endif
2760                                 continue;
2761                                 }
2762                         }
2763                 else if (i == 0) /* end of input */
2764                         {
2765                         ret=1;
2766                         goto end;
2767                         }
2768
2769                 /* else we have data */
2770                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2771                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2772                         {
2773                         char *p;
2774                         X509 *peer;
2775                         STACK_OF(SSL_CIPHER) *sk;
2776                         static const char *space="                          ";
2777
2778                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2779                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2780                         BIO_puts(io,"<pre>\n");
2781 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2782                         BIO_puts(io,"\n");
2783                         for (i=0; i<local_argc; i++)
2784                                 {
2785                                 BIO_puts(io,local_argv[i]);
2786                                 BIO_write(io," ",1);
2787                                 }
2788                         BIO_puts(io,"\n");
2789
2790                         BIO_printf(io,
2791                                 "Secure Renegotiation IS%s supported\n",
2792                                 SSL_get_secure_renegotiation_support(con) ?
2793                                                         "" : " NOT");
2794
2795                         /* The following is evil and should not really
2796                          * be done */
2797                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2798                         sk=SSL_get_ciphers(con);
2799                         j=sk_SSL_CIPHER_num(sk);
2800                         for (i=0; i<j; i++)
2801                                 {
2802                                 c=sk_SSL_CIPHER_value(sk,i);
2803                                 BIO_printf(io,"%-11s:%-25s",
2804                                         SSL_CIPHER_get_version(c),
2805                                         SSL_CIPHER_get_name(c));
2806                                 if ((((i+1)%2) == 0) && (i+1 != j))
2807                                         BIO_puts(io,"\n");
2808                                 }
2809                         BIO_puts(io,"\n");
2810                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2811                         if (p != NULL)
2812                                 {
2813                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2814                                 j=i=0;
2815                                 while (*p)
2816                                         {
2817                                         if (*p == ':')
2818                                                 {
2819                                                 BIO_write(io,space,26-j);
2820                                                 i++;
2821                                                 j=0;
2822                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2823                                                 }
2824                                         else
2825                                                 {
2826                                                 BIO_write(io,p,1);
2827                                                 j++;
2828                                                 }
2829                                         p++;
2830                                         }
2831                                 BIO_puts(io,"\n");
2832                                 }
2833                         ssl_print_sigalgs(io, con);
2834                         ssl_print_curves(io, con);
2835                         BIO_printf(io,(SSL_cache_hit(con)
2836                                 ?"---\nReused, "
2837                                 :"---\nNew, "));
2838                         c=SSL_get_current_cipher(con);
2839                         BIO_printf(io,"%s, Cipher is %s\n",
2840                                 SSL_CIPHER_get_version(c),
2841                                 SSL_CIPHER_get_name(c));
2842                         SSL_SESSION_print(io,SSL_get_session(con));
2843                         BIO_printf(io,"---\n");
2844                         print_stats(io,SSL_get_SSL_CTX(con));
2845                         BIO_printf(io,"---\n");
2846                         peer=SSL_get_peer_certificate(con);
2847                         if (peer != NULL)
2848                                 {
2849                                 BIO_printf(io,"Client certificate\n");
2850                                 X509_print(io,peer);
2851                                 PEM_write_bio_X509(io,peer);
2852                                 }
2853                         else
2854                                 BIO_puts(io,"no client certificate available\n");
2855                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2856                         break;
2857                         }
2858                 else if ((www == 2 || www == 3)
2859                          && (strncmp("GET /",buf,5) == 0))
2860                         {
2861                         BIO *file;
2862                         char *p,*e;
2863                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2864
2865                         /* skip the '/' */
2866                         p= &(buf[5]);
2867
2868                         dot = 1;
2869                         for (e=p; *e != '\0'; e++)
2870                                 {
2871                                 if (e[0] == ' ')
2872                                         break;
2873
2874                                 switch (dot)
2875                                         {
2876                                 case 1:
2877                                         dot = (e[0] == '.') ? 2 : 0;
2878                                         break;
2879                                 case 2:
2880                                         dot = (e[0] == '.') ? 3 : 0;
2881                                         break;
2882                                 case 3:
2883                                         dot = (e[0] == '/') ? -1 : 0;
2884                                         break;
2885                                         }
2886                                 if (dot == 0)
2887                                         dot = (e[0] == '/') ? 1 : 0;
2888                                 }
2889                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2890
2891                         if (*e == '\0')
2892                                 {
2893                                 BIO_puts(io,text);
2894                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2895                                 break;
2896                                 }
2897                         *e='\0';
2898
2899                         if (dot)
2900                                 {
2901                                 BIO_puts(io,text);
2902                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2903                                 break;
2904                                 }
2905
2906                         if (*p == '/')
2907                                 {
2908                                 BIO_puts(io,text);
2909                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2910                                 break;
2911                                 }
2912
2913 #if 0
2914                         /* append if a directory lookup */
2915                         if (e[-1] == '/')
2916                                 strcat(p,"index.html");
2917 #endif
2918
2919                         /* if a directory, do the index thang */
2920                         if (app_isdir(p)>0)
2921                                 {
2922 #if 0 /* must check buffer size */
2923                                 strcat(p,"/index.html");
2924 #else
2925                                 BIO_puts(io,text);
2926                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2927                                 break;
2928 #endif
2929                                 }
2930
2931                         if ((file=BIO_new_file(p,"r")) == NULL)
2932                                 {
2933                                 BIO_puts(io,text);
2934                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2935                                 ERR_print_errors(io);
2936                                 break;
2937                                 }
2938
2939                         if (!s_quiet)
2940                                 BIO_printf(bio_err,"FILE:%s\n",p);
2941
2942                         if (www == 2)
2943                                 {
2944                                 i=strlen(p);
2945                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2946                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2947                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2948                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2949                                 else
2950                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2951                                 }
2952                         /* send the file */
2953                         for (;;)
2954                                 {
2955                                 i=BIO_read(file,buf,bufsize);
2956                                 if (i <= 0) break;
2957
2958 #ifdef RENEG
2959                                 total_bytes+=i;
2960                                 fprintf(stderr,"%d\n",i);
2961                                 if (total_bytes > 3*1024)
2962                                         {
2963                                         total_bytes=0;
2964                                         fprintf(stderr,"RENEGOTIATE\n");
2965                                         SSL_renegotiate(con);
2966                                         }
2967 #endif
2968
2969                                 for (j=0; j<i; )
2970                                         {
2971 #ifdef RENEG
2972 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2973 #endif
2974                                         k=BIO_write(io,&(buf[j]),i-j);
2975                                         if (k <= 0)
2976                                                 {
2977                                                 if (!BIO_should_retry(io))
2978                                                         goto write_error;
2979                                                 else
2980                                                         {
2981                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2982                                                         }
2983                                                 }
2984                                         else
2985                                                 {
2986                                                 j+=k;
2987                                                 }
2988                                         }
2989                                 }
2990 write_error:
2991                         BIO_free(file);
2992                         break;
2993                         }
2994                 }
2995
2996         for (;;)
2997                 {
2998                 i=(int)BIO_flush(io);
2999                 if (i <= 0)
3000                         {
3001                         if (!BIO_should_retry(io))
3002                                 break;
3003                         }
3004                 else
3005                         break;
3006                 }
3007 end:
3008 #if 1
3009         /* make sure we re-use sessions */
3010         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3011 #else
3012         /* This kills performance */
3013 /*      SSL_shutdown(con); A shutdown gets sent in the
3014  *      BIO_free_all(io) procession */
3015 #endif
3016
3017 err:
3018
3019         if (ret >= 0)
3020                 BIO_printf(bio_s_out,"ACCEPT\n");
3021
3022         if (buf != NULL) OPENSSL_free(buf);
3023         if (io != NULL) BIO_free_all(io);
3024 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3025         return(ret);
3026         }
3027
3028 #ifndef OPENSSL_NO_RSA
3029 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3030         {
3031         BIGNUM *bn = NULL;
3032         static RSA *rsa_tmp=NULL;
3033
3034         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3035                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3036         if (!rsa_tmp && bn)
3037                 {
3038                 if (!s_quiet)
3039                         {
3040                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3041                         (void)BIO_flush(bio_err);
3042                         }
3043                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3044                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3045                         {
3046                         if(rsa_tmp) RSA_free(rsa_tmp);
3047                         rsa_tmp = NULL;
3048                         }
3049                 if (!s_quiet)
3050                         {
3051                         BIO_printf(bio_err,"\n");
3052                         (void)BIO_flush(bio_err);
3053                         }
3054                 BN_free(bn);
3055                 }
3056         return(rsa_tmp);
3057         }
3058 #endif
3059
3060 #define MAX_SESSION_ID_ATTEMPTS 10
3061 static int generate_session_id(const SSL *ssl, unsigned char *id,
3062                                 unsigned int *id_len)
3063         {
3064         unsigned int count = 0;
3065         do      {
3066                 RAND_pseudo_bytes(id, *id_len);
3067                 /* Prefix the session_id with the required prefix. NB: If our
3068                  * prefix is too long, clip it - but there will be worse effects
3069                  * anyway, eg. the server could only possibly create 1 session
3070                  * ID (ie. the prefix!) so all future session negotiations will
3071                  * fail due to conflicts. */
3072                 memcpy(id, session_id_prefix,
3073                         (strlen(session_id_prefix) < *id_len) ?
3074                         strlen(session_id_prefix) : *id_len);
3075                 }
3076         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3077                 (++count < MAX_SESSION_ID_ATTEMPTS));
3078         if(count >= MAX_SESSION_ID_ATTEMPTS)
3079                 return 0;
3080         return 1;
3081         }