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, verify_quiet;
 266
 267 static int s_server_verify=SSL_VERIFY_NONE;
 268 static int s_server_session_id_context = 1; /* anything will do */
 269 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 270 #ifndef OPENSSL_NO_TLSEXT
 271 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 272 #endif
 273 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 274 #ifdef FIONBIO
 275 static int s_nbio=0;
 276 #endif
 277 static int s_nbio_test=0;
 278 int s_crlf=0;
 279 static SSL_CTX *ctx=NULL;
 280 #ifndef OPENSSL_NO_TLSEXT
 281 static SSL_CTX *ctx2=NULL;
 282 #endif
 283 static int www=0;
 284
 285 static BIO *bio_s_out=NULL;
 286 static BIO *bio_s_msg = NULL;
 287 static int s_debug=0;
 288 #ifndef OPENSSL_NO_TLSEXT
 289 static int s_tlsextdebug=0;
 290 static int s_tlsextstatus=0;
 291 static int cert_status_cb(SSL *s, void *arg);
 292 #endif
 293 static int no_resume_ephemeral = 0;
 294 static int s_msg=0;
 295 static int s_quiet=0;
 296 static int s_brief=0;
 297
 298 static char *keymatexportlabel=NULL;
 299 static int keymatexportlen=20;
 300
 301 static int hack=0;
 302 #ifndef OPENSSL_NO_ENGINE
 303 static char *engine_id=NULL;
 304 #endif
 305 static const char *session_id_prefix=NULL;
 306
 307 static int enable_timeouts = 0;
 308 static long socket_mtu;
 309 #ifndef OPENSSL_NO_DTLS1
 310 static int cert_chain = 0;
 311 #endif
 312
 313 #ifndef OPENSSL_NO_TLSEXT
 314 static BIO *authz_in = NULL;
 315 static const char *s_authz_file = NULL;
 316 static BIO *serverinfo_in = NULL;
 317 static const char *s_serverinfo_file = NULL;
 318 #endif
 319
 320 #ifndef OPENSSL_NO_PSK
 321 static char *psk_identity="Client_identity";
 322 char *psk_key=NULL; /* by default PSK is not used */
 323
 324 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 325         unsigned char *psk, unsigned int max_psk_len)
 326         {
 327         unsigned int psk_len = 0;
 328         int ret;
 329         BIGNUM *bn = NULL;
 330
 331         if (s_debug)
 332                 BIO_printf(bio_s_out,"psk_server_cb\n");
 333         if (!identity)
 334                 {
 335                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 336                 goto out_err;
 337                 }
 338         if (s_debug)
 339                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 340                         identity ? (int)strlen(identity) : 0, identity);
 341
 342         /* here we could lookup the given identity e.g. from a database */
 343         if (strcmp(identity, psk_identity) != 0)
 344                 {
 345                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 346                            " (got '%s' expected '%s')\n", identity,
 347                            psk_identity);
 348                 goto out_err;
 349                 }
 350         if (s_debug)
 351                 BIO_printf(bio_s_out, "PSK client identity found\n");
 352
 353         /* convert the PSK key to binary */
 354         ret = BN_hex2bn(&bn, psk_key);
 355         if (!ret)
 356                 {
 357                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 358                 if (bn)
 359                         BN_free(bn);
 360                 return 0;
 361                 }
 362         if (BN_num_bytes(bn) > (int)max_psk_len)
 363                 {
 364                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 365                         max_psk_len, BN_num_bytes(bn));
 366                 BN_free(bn);
 367                 return 0;
 368                 }
 369
 370         ret = BN_bn2bin(bn, psk);
 371         BN_free(bn);
 372
 373         if (ret < 0)
 374                 goto out_err;
 375         psk_len = (unsigned int)ret;
 376
 377         if (s_debug)
 378                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 379         return psk_len;
 380  out_err:
 381         if (s_debug)
 382                 BIO_printf(bio_err, "Error in PSK server callback\n");
 383         return 0;
 384         }
 385 #endif
 386
 387 #ifndef OPENSSL_NO_SRP
 388 /* This is a context that we pass to callbacks */
 389 typedef struct srpsrvparm_st
 390         {
 391         char *login;
 392         SRP_VBASE *vb;
 393         SRP_user_pwd *user;
 394         } srpsrvparm;
 395
 396 /* This callback pretends to require some asynchronous logic in order to obtain
 397    a verifier. When the callback is called for a new connection we return
 398    with a negative value. This will provoke the accept etc to return with
 399    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 400    (which would normally occur after a worker has finished) and we
 401    set the user parameters.
 402 */
 403 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 404         {
 405         srpsrvparm *p = (srpsrvparm *)arg;
 406         if (p->login == NULL && p->user == NULL )
 407                 {
 408                 p->login = SSL_get_srp_username(s);
 409                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 410                 return (-1) ;
 411                 }
 412
 413         if (p->user == NULL)
 414                 {
 415                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 416                 return SSL3_AL_FATAL;
 417                 }
 418         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 419                                      p->user->info) < 0)
 420                 {
 421                 *ad = SSL_AD_INTERNAL_ERROR;
 422                 return SSL3_AL_FATAL;
 423                 }
 424         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 425         /* need to check whether there are memory leaks */
 426         p->user = NULL;
 427         p->login = NULL;
 428         return SSL_ERROR_NONE;
 429         }
 430
 431 #endif
 432
 433 #ifdef MONOLITH
 434 static void s_server_init(void)
 435         {
 436         accept_socket=-1;
 437         s_server_verify=SSL_VERIFY_NONE;
 438         s_dcert_file=NULL;
 439         s_dkey_file=NULL;
 440         s_dchain_file=NULL;
 441         s_cert_file=TEST_CERT;
 442         s_key_file=NULL;
 443         s_chain_file=NULL;
 444 #ifndef OPENSSL_NO_TLSEXT
 445         s_cert_file2=TEST_CERT2;
 446         s_key_file2=NULL;
 447         ctx2=NULL;
 448 #endif
 449 #ifdef FIONBIO
 450         s_nbio=0;
 451 #endif
 452         s_nbio_test=0;
 453         ctx=NULL;
 454         www=0;
 455
 456         bio_s_out=NULL;
 457         s_debug=0;
 458         s_msg=0;
 459         s_quiet=0;
 460         s_brief=0;
 461         hack=0;
 462 #ifndef OPENSSL_NO_ENGINE
 463         engine_id=NULL;
 464 #endif
 465         }
 466 #endif
 467
 468 static void sv_usage(void)
 469         {
 470         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 471         BIO_printf(bio_err,"\n");
 472         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 473         BIO_printf(bio_err," -context arg  - set session ID context\n");
 474         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 475         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 476         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 477         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 478         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 479 #ifndef OPENSSL_NO_TLSEXT
 480         BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
 481 #endif
 482         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 483                            "                 The CRL(s) are appended to the certificate file\n");
 484         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 485                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 486                            "                 the certificate file.\n");
 487         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 488         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 489         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 490         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 491         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 492         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 493         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 494         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 495         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 496         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 497         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 498         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 499 #ifndef OPENSSL_NO_ECDH
 500         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 501                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 502                            "                 (default is nistp256).\n");
 503 #endif
 504 #ifdef FIONBIO
 505         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 506 #endif
 507         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 508         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 509         BIO_printf(bio_err," -debug        - Print more output\n");
 510         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 511         BIO_printf(bio_err," -state        - Print the SSL states\n");
 512         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 513         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 514         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 515         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 516         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 517         BIO_printf(bio_err," -quiet        - No server output\n");
 518         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 519 #ifndef OPENSSL_NO_PSK
 520         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 521         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 522 # ifndef OPENSSL_NO_JPAKE
 523         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 524 # endif
 525 #endif
 526 #ifndef OPENSSL_NO_SRP
 527         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 528         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 529 #endif
 530         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 531         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 532         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 533         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 534         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 535         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 536         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 537         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 538         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 539         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 540         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 541         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 542         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 543         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 544 #ifndef OPENSSL_NO_DH
 545         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 546 #endif
 547 #ifndef OPENSSL_NO_ECDH
 548         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 549 #endif
 550         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 551         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 552         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 553         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 554         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 555 #ifndef OPENSSL_NO_ENGINE
 556         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 557 #endif
 558         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 559         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 560 #ifndef OPENSSL_NO_TLSEXT
 561         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 562         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 563         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 564         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 565         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 566         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 567         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 568         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 569         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 570 # ifndef OPENSSL_NO_NEXTPROTONEG
 571         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 572 # endif
 573         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 574 #endif
 575         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 576         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 577         }
 578
 579 static int local_argc=0;
 580 static char **local_argv;
 581
 582 #ifdef CHARSET_EBCDIC
 583 static int ebcdic_new(BIO *bi);
 584 static int ebcdic_free(BIO *a);
 585 static int ebcdic_read(BIO *b, char *out, int outl);
 586 static int ebcdic_write(BIO *b, const char *in, int inl);
 587 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 588 static int ebcdic_gets(BIO *bp, char *buf, int size);
 589 static int ebcdic_puts(BIO *bp, const char *str);
 590
 591 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 592 static BIO_METHOD methods_ebcdic=
 593         {
 594         BIO_TYPE_EBCDIC_FILTER,
 595         "EBCDIC/ASCII filter",
 596         ebcdic_write,
 597         ebcdic_read,
 598         ebcdic_puts,
 599         ebcdic_gets,
 600         ebcdic_ctrl,
 601         ebcdic_new,
 602         ebcdic_free,
 603         };
 604
 605 typedef struct
 606 {
 607         size_t  alloced;
 608         char    buff[1];
 609 } EBCDIC_OUTBUFF;
 610
 611 BIO_METHOD *BIO_f_ebcdic_filter()
 612 {
 613         return(&methods_ebcdic);
 614 }
 615
 616 static int ebcdic_new(BIO *bi)
 617 {
 618         EBCDIC_OUTBUFF *wbuf;
 619
 620         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 621         wbuf->alloced = 1024;
 622         wbuf->buff[0] = '\0';
 623
 624         bi->ptr=(char *)wbuf;
 625         bi->init=1;
 626         bi->flags=0;
 627         return(1);
 628 }
 629
 630 static int ebcdic_free(BIO *a)
 631 {
 632         if (a == NULL) return(0);
 633         if (a->ptr != NULL)
 634                 OPENSSL_free(a->ptr);
 635         a->ptr=NULL;
 636         a->init=0;
 637         a->flags=0;
 638         return(1);
 639 }
 640
 641 static int ebcdic_read(BIO *b, char *out, int outl)
 642 {
 643         int ret=0;
 644
 645         if (out == NULL || outl == 0) return(0);
 646         if (b->next_bio == NULL) return(0);
 647
 648         ret=BIO_read(b->next_bio,out,outl);
 649         if (ret > 0)
 650                 ascii2ebcdic(out,out,ret);
 651         return(ret);
 652 }
 653
 654 static int ebcdic_write(BIO *b, const char *in, int inl)
 655 {
 656         EBCDIC_OUTBUFF *wbuf;
 657         int ret=0;
 658         int num;
 659         unsigned char n;
 660
 661         if ((in == NULL) || (inl <= 0)) return(0);
 662         if (b->next_bio == NULL) return(0);
 663
 664         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 665
 666         if (inl > (num = wbuf->alloced))
 667         {
 668                 num = num + num;  /* double the size */
 669                 if (num < inl)
 670                         num = inl;
 671                 OPENSSL_free(wbuf);
 672                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 673
 674                 wbuf->alloced = num;
 675                 wbuf->buff[0] = '\0';
 676
 677                 b->ptr=(char *)wbuf;
 678         }
 679
 680         ebcdic2ascii(wbuf->buff, in, inl);
 681
 682         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 683
 684         return(ret);
 685 }
 686
 687 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 688 {
 689         long ret;
 690
 691         if (b->next_bio == NULL) return(0);
 692         switch (cmd)
 693         {
 694         case BIO_CTRL_DUP:
 695                 ret=0L;
 696                 break;
 697         default:
 698                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 699                 break;
 700         }
 701         return(ret);
 702 }
 703
 704 static int ebcdic_gets(BIO *bp, char *buf, int size)
 705 {
 706         int i, ret=0;
 707         if (bp->next_bio == NULL) return(0);
 708 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 709         for (i=0; i<size-1; ++i)
 710         {
 711                 ret = ebcdic_read(bp,&buf[i],1);
 712                 if (ret <= 0)
 713                         break;
 714                 else if (buf[i] == '\n')
 715                 {
 716                         ++i;
 717                         break;
 718                 }
 719         }
 720         if (i < size)
 721                 buf[i] = '\0';
 722         return (ret < 0 && i == 0) ? ret : i;
 723 }
 724
 725 static int ebcdic_puts(BIO *bp, const char *str)
 726 {
 727         if (bp->next_bio == NULL) return(0);
 728         return ebcdic_write(bp, str, strlen(str));
 729 }
 730 #endif
 731
 732 #ifndef OPENSSL_NO_TLSEXT
 733
 734 /* This is a context that we pass to callbacks */
 735 typedef struct tlsextctx_st {
 736    char * servername;
 737    BIO * biodebug;
 738    int extension_error;
 739 } tlsextctx;
 740
 741
 742 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 743         {
 744         tlsextctx * p = (tlsextctx *) arg;
 745         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 746         if (servername && p->biodebug)
 747                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 748
 749         if (!p->servername)
 750                 return SSL_TLSEXT_ERR_NOACK;
 751
 752         if (servername)
 753                 {
 754                 if (strcmp(servername,p->servername))
 755                         return p->extension_error;
 756                 if (ctx2)
 757                         {
 758                         BIO_printf(p->biodebug,"Switching server context.\n");
 759                         SSL_set_SSL_CTX(s,ctx2);
 760                         }
 761                 }
 762         return SSL_TLSEXT_ERR_OK;
 763 }
 764
 765 /* Structure passed to cert status callback */
 766
 767 typedef struct tlsextstatusctx_st {
 768    /* Default responder to use */
 769    char *host, *path, *port;
 770    int use_ssl;
 771    int timeout;
 772    BIO *err;
 773    int verbose;
 774 } tlsextstatusctx;
 775
 776 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 777
 778 /* Certificate Status callback. This is called when a client includes a
 779  * certificate status request extension.
 780  *
 781  * This is a simplified version. It examines certificates each time and
 782  * makes one OCSP responder query for each request.
 783  *
 784  * A full version would store details such as the OCSP certificate IDs and
 785  * minimise the number of OCSP responses by caching them until they were
 786  * considered "expired".
 787  */
 788
 789 static int cert_status_cb(SSL *s, void *arg)
 790         {
 791         tlsextstatusctx *srctx = arg;
 792         BIO *err = srctx->err;
 793         char *host, *port, *path;
 794         int use_ssl;
 795         unsigned char *rspder = NULL;
 796         int rspderlen;
 797         STACK_OF(OPENSSL_STRING) *aia = NULL;
 798         X509 *x = NULL;
 799         X509_STORE_CTX inctx;
 800         X509_OBJECT obj;
 801         OCSP_REQUEST *req = NULL;
 802         OCSP_RESPONSE *resp = NULL;
 803         OCSP_CERTID *id = NULL;
 804         STACK_OF(X509_EXTENSION) *exts;
 805         int ret = SSL_TLSEXT_ERR_NOACK;
 806         int i;
 807 #if 0
 808 STACK_OF(OCSP_RESPID) *ids;
 809 SSL_get_tlsext_status_ids(s, &ids);
 810 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 811 #endif
 812         if (srctx->verbose)
 813                 BIO_puts(err, "cert_status: callback called\n");
 814         /* Build up OCSP query from server certificate */
 815         x = SSL_get_certificate(s);
 816         aia = X509_get1_ocsp(x);
 817         if (aia)
 818                 {
 819                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 820                         &host, &port, &path, &use_ssl))
 821                         {
 822                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 823                         goto err;
 824                         }
 825                 if (srctx->verbose)
 826                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 827                                         sk_OPENSSL_STRING_value(aia, 0));
 828                 }
 829         else
 830                 {
 831                 if (!srctx->host)
 832                         {
 833                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 834                         goto done;
 835                         }
 836                 host = srctx->host;
 837                 path = srctx->path;
 838                 port = srctx->port;
 839                 use_ssl = srctx->use_ssl;
 840                 }
 841
 842         if (!X509_STORE_CTX_init(&inctx,
 843                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 844                                 NULL, NULL))
 845                 goto err;
 846         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 847                                 X509_get_issuer_name(x),&obj) <= 0)
 848                 {
 849                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 850                 X509_STORE_CTX_cleanup(&inctx);
 851                 goto done;
 852                 }
 853         req = OCSP_REQUEST_new();
 854         if (!req)
 855                 goto err;
 856         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 857         X509_free(obj.data.x509);
 858         X509_STORE_CTX_cleanup(&inctx);
 859         if (!id)
 860                 goto err;
 861         if (!OCSP_request_add0_id(req, id))
 862                 goto err;
 863         id = NULL;
 864         /* Add any extensions to the request */
 865         SSL_get_tlsext_status_exts(s, &exts);
 866         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 867                 {
 868                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 869                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 870                         goto err;
 871                 }
 872         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 873                                         srctx->timeout);
 874         if (!resp)
 875                 {
 876                 BIO_puts(err, "cert_status: error querying responder\n");
 877                 goto done;
 878                 }
 879         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 880         if (rspderlen <= 0)
 881                 goto err;
 882         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 883         if (srctx->verbose)
 884                 {
 885                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 886                 OCSP_RESPONSE_print(err, resp, 2);
 887                 }
 888         ret = SSL_TLSEXT_ERR_OK;
 889         done:
 890         if (ret != SSL_TLSEXT_ERR_OK)
 891                 ERR_print_errors(err);
 892         if (aia)
 893                 {
 894                 OPENSSL_free(host);
 895                 OPENSSL_free(path);
 896                 OPENSSL_free(port);
 897                 X509_email_free(aia);
 898                 }
 899         if (id)
 900                 OCSP_CERTID_free(id);
 901         if (req)
 902                 OCSP_REQUEST_free(req);
 903         if (resp)
 904                 OCSP_RESPONSE_free(resp);
 905         return ret;
 906         err:
 907         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 908         goto done;
 909         }
 910
 911 # ifndef OPENSSL_NO_NEXTPROTONEG
 912 /* This is the context that we pass to next_proto_cb */
 913 typedef struct tlsextnextprotoctx_st {
 914         unsigned char *data;
 915         unsigned int len;
 916 } tlsextnextprotoctx;
 917
 918 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 919         {
 920         tlsextnextprotoctx *next_proto = arg;
 921
 922         *data = next_proto->data;
 923         *len = next_proto->len;
 924
 925         return SSL_TLSEXT_ERR_OK;
 926         }
 927 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 928
 929
 930 #endif
 931
 932 int MAIN(int, char **);
 933
 934 #ifndef OPENSSL_NO_JPAKE
 935 static char *jpake_secret = NULL;
 936 #define no_jpake !jpake_secret
 937 #else
 938 #define no_jpake 1
 939 #endif
 940 #ifndef OPENSSL_NO_SRP
 941         static srpsrvparm srp_callback_parm;
 942 #endif
 943 static char *srtp_profiles = NULL;
 944
 945 int MAIN(int argc, char *argv[])
 946         {
 947         X509_VERIFY_PARAM *vpm = NULL;
 948         int badarg = 0;
 949         short port=PORT;
 950         char *CApath=NULL,*CAfile=NULL;
 951         char *chCApath=NULL,*chCAfile=NULL;
 952         char *vfyCApath=NULL,*vfyCAfile=NULL;
 953         unsigned char *context = NULL;
 954         char *dhfile = NULL;
 955         int badop=0;
 956         int ret=1;
 957         int build_chain = 0;
 958         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 959         int state=0;
 960         const SSL_METHOD *meth=NULL;
 961         int socket_type=SOCK_STREAM;
 962         ENGINE *e=NULL;
 963         char *inrand=NULL;
 964         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 965         char *passarg = NULL, *pass = NULL;
 966         char *dpassarg = NULL, *dpass = NULL;
 967         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 968         X509 *s_cert = NULL, *s_dcert = NULL;
 969         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 970         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 971         int no_cache = 0;
 972 #ifndef OPENSSL_NO_TLSEXT
 973         EVP_PKEY *s_key2 = NULL;
 974         X509 *s_cert2 = NULL;
 975         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 976 # ifndef OPENSSL_NO_NEXTPROTONEG
 977         const char *next_proto_neg_in = NULL;
 978         tlsextnextprotoctx next_proto;
 979 # endif
 980 #endif
 981 #ifndef OPENSSL_NO_PSK
 982         /* by default do not send a PSK identity hint */
 983         static char *psk_identity_hint=NULL;
 984 #endif
 985 #ifndef OPENSSL_NO_SRP
 986         char *srpuserseed = NULL;
 987         char *srp_verifier_file = NULL;
 988 #endif
 989         SSL_EXCERT *exc = NULL;
 990         SSL_CONF_CTX *cctx = NULL;
 991         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 992
 993         char *crl_file = NULL;
 994         int crl_format = FORMAT_PEM;
 995         int crl_download = 0;
 996         STACK_OF(X509_CRL) *crls = NULL;
 997
 998         meth=SSLv23_server_method();
 999
1000         local_argc=argc;
1001         local_argv=argv;
1002
1003         apps_startup();
1004 #ifdef MONOLITH
1005         s_server_init();
1006 #endif
1007
1008         if (bio_err == NULL)
1009                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1010
1011         if (!load_config(bio_err, NULL))
1012                 goto end;
1013
1014         cctx = SSL_CONF_CTX_new();
1015         if (!cctx)
1016                 goto end;
1017         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1018         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1019
1020         verify_depth=0;
1021 #ifdef FIONBIO
1022         s_nbio=0;
1023 #endif
1024         s_nbio_test=0;
1025
1026         argc--;
1027         argv++;
1028
1029         while (argc >= 1)
1030                 {
1031                 if      ((strcmp(*argv,"-port") == 0) ||
1032                          (strcmp(*argv,"-accept") == 0))
1033                         {
1034                         if (--argc < 1) goto bad;
1035                         if (!extract_port(*(++argv),&port))
1036                                 goto bad;
1037                         }
1038                 else if (strcmp(*argv,"-verify") == 0)
1039                         {
1040                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1041                         if (--argc < 1) goto bad;
1042                         verify_depth=atoi(*(++argv));
1043                         if (!s_quiet)
1044                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1045                         }
1046                 else if (strcmp(*argv,"-Verify") == 0)
1047                         {
1048                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1049                                 SSL_VERIFY_CLIENT_ONCE;
1050                         if (--argc < 1) goto bad;
1051                         verify_depth=atoi(*(++argv));
1052                         if (!s_quiet)
1053                                 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1054                         }
1055                 else if (strcmp(*argv,"-context") == 0)
1056                         {
1057                         if (--argc < 1) goto bad;
1058                         context= (unsigned char *)*(++argv);
1059                         }
1060                 else if (strcmp(*argv,"-cert") == 0)
1061                         {
1062                         if (--argc < 1) goto bad;
1063                         s_cert_file= *(++argv);
1064                         }
1065                 else if (strcmp(*argv,"-CRL") == 0)
1066                         {
1067                         if (--argc < 1) goto bad;
1068                         crl_file= *(++argv);
1069                         }
1070                 else if (strcmp(*argv,"-crl_download") == 0)
1071                         crl_download = 1;
1072 #ifndef OPENSSL_NO_TLSEXT
1073                 else if (strcmp(*argv,"-authz") == 0)
1074                         {
1075                         if (--argc < 1) goto bad;
1076                         s_authz_file = *(++argv);
1077                         }
1078                 else if (strcmp(*argv,"-serverinfo") == 0)
1079                         {
1080                         if (--argc < 1) goto bad;
1081                         s_serverinfo_file = *(++argv);
1082                         }
1083 #endif
1084                 else if (strcmp(*argv,"-certform") == 0)
1085                         {
1086                         if (--argc < 1) goto bad;
1087                         s_cert_format = str2fmt(*(++argv));
1088                         }
1089                 else if (strcmp(*argv,"-key") == 0)
1090                         {
1091                         if (--argc < 1) goto bad;
1092                         s_key_file= *(++argv);
1093                         }
1094                 else if (strcmp(*argv,"-keyform") == 0)
1095                         {
1096                         if (--argc < 1) goto bad;
1097                         s_key_format = str2fmt(*(++argv));
1098                         }
1099                 else if (strcmp(*argv,"-pass") == 0)
1100                         {
1101                         if (--argc < 1) goto bad;
1102                         passarg = *(++argv);
1103                         }
1104                 else if (strcmp(*argv,"-cert_chain") == 0)
1105                         {
1106                         if (--argc < 1) goto bad;
1107                         s_chain_file= *(++argv);
1108                         }
1109                 else if (strcmp(*argv,"-dhparam") == 0)
1110                         {
1111                         if (--argc < 1) goto bad;
1112                         dhfile = *(++argv);
1113                         }
1114                 else if (strcmp(*argv,"-dcertform") == 0)
1115                         {
1116                         if (--argc < 1) goto bad;
1117                         s_dcert_format = str2fmt(*(++argv));
1118                         }
1119                 else if (strcmp(*argv,"-dcert") == 0)
1120                         {
1121                         if (--argc < 1) goto bad;
1122                         s_dcert_file= *(++argv);
1123                         }
1124                 else if (strcmp(*argv,"-dkeyform") == 0)
1125                         {
1126                         if (--argc < 1) goto bad;
1127                         s_dkey_format = str2fmt(*(++argv));
1128                         }
1129                 else if (strcmp(*argv,"-dpass") == 0)
1130                         {
1131                         if (--argc < 1) goto bad;
1132                         dpassarg = *(++argv);
1133                         }
1134                 else if (strcmp(*argv,"-dkey") == 0)
1135                         {
1136                         if (--argc < 1) goto bad;
1137                         s_dkey_file= *(++argv);
1138                         }
1139                 else if (strcmp(*argv,"-dcert_chain") == 0)
1140                         {
1141                         if (--argc < 1) goto bad;
1142                         s_dchain_file= *(++argv);
1143                         }
1144                 else if (strcmp(*argv,"-nocert") == 0)
1145                         {
1146                         nocert=1;
1147                         }
1148                 else if (strcmp(*argv,"-CApath") == 0)
1149                         {
1150                         if (--argc < 1) goto bad;
1151                         CApath= *(++argv);
1152                         }
1153                 else if (strcmp(*argv,"-chainCApath") == 0)
1154                         {
1155                         if (--argc < 1) goto bad;
1156                         chCApath= *(++argv);
1157                         }
1158                 else if (strcmp(*argv,"-verifyCApath") == 0)
1159                         {
1160                         if (--argc < 1) goto bad;
1161                         vfyCApath= *(++argv);
1162                         }
1163                 else if (strcmp(*argv,"-no_cache") == 0)
1164                         no_cache = 1;
1165                 else if (strcmp(*argv,"-CRLform") == 0)
1166                         {
1167                         if (--argc < 1) goto bad;
1168                         crl_format = str2fmt(*(++argv));
1169                         }
1170                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1171                         {
1172                         if (badarg)
1173                                 goto bad;
1174                         continue;
1175                         }
1176                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1177                         {
1178                         if (badarg)
1179                                 goto bad;
1180                         continue;
1181                         }
1182                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1183                         {
1184                         if (badarg)
1185                                 goto bad;
1186                         continue;
1187                         }
1188                 else if (strcmp(*argv,"-verify_return_error") == 0)
1189                         verify_return_error = 1;
1190                 else if (strcmp(*argv,"-verify_quiet") == 0)
1191                         verify_quiet = 1;
1192                 else if (strcmp(*argv,"-build_chain") == 0)
1193                         build_chain = 1;
1194                 else if (strcmp(*argv,"-CAfile") == 0)
1195                         {
1196                         if (--argc < 1) goto bad;
1197                         CAfile= *(++argv);
1198                         }
1199                 else if (strcmp(*argv,"-chainCAfile") == 0)
1200                         {
1201                         if (--argc < 1) goto bad;
1202                         chCAfile= *(++argv);
1203                         }
1204                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1205                         {
1206                         if (--argc < 1) goto bad;
1207                         vfyCAfile= *(++argv);
1208                         }
1209 #ifdef FIONBIO
1210                 else if (strcmp(*argv,"-nbio") == 0)
1211                         { s_nbio=1; }
1212 #endif
1213                 else if (strcmp(*argv,"-nbio_test") == 0)
1214                         {
1215 #ifdef FIONBIO
1216                         s_nbio=1;
1217 #endif
1218                         s_nbio_test=1;
1219                         }
1220                 else if (strcmp(*argv,"-debug") == 0)
1221                         { s_debug=1; }
1222 #ifndef OPENSSL_NO_TLSEXT
1223                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1224                         s_tlsextdebug=1;
1225                 else if (strcmp(*argv,"-status") == 0)
1226                         s_tlsextstatus=1;
1227                 else if (strcmp(*argv,"-status_verbose") == 0)
1228                         {
1229                         s_tlsextstatus=1;
1230                         tlscstatp.verbose = 1;
1231                         }
1232                 else if (!strcmp(*argv, "-status_timeout"))
1233                         {
1234                         s_tlsextstatus=1;
1235                         if (--argc < 1) goto bad;
1236                         tlscstatp.timeout = atoi(*(++argv));
1237                         }
1238                 else if (!strcmp(*argv, "-status_url"))
1239                         {
1240                         s_tlsextstatus=1;
1241                         if (--argc < 1) goto bad;
1242                         if (!OCSP_parse_url(*(++argv),
1243                                         &tlscstatp.host,
1244                                         &tlscstatp.port,
1245                                         &tlscstatp.path,
1246                                         &tlscstatp.use_ssl))
1247                                 {
1248                                 BIO_printf(bio_err, "Error parsing URL\n");
1249                                 goto bad;
1250                                 }
1251                         }
1252 #endif
1253                 else if (strcmp(*argv,"-msg") == 0)
1254                         { s_msg=1; }
1255                 else if (strcmp(*argv,"-msgfile") == 0)
1256                         {
1257                         if (--argc < 1) goto bad;
1258                         bio_s_msg = BIO_new_file(*(++argv), "w");
1259                         }
1260 #ifndef OPENSSL_NO_SSL_TRACE
1261                 else if (strcmp(*argv,"-trace") == 0)
1262                         { s_msg=2; }
1263 #endif
1264                 else if (strcmp(*argv,"-hack") == 0)
1265                         { hack=1; }
1266                 else if (strcmp(*argv,"-state") == 0)
1267                         { state=1; }
1268                 else if (strcmp(*argv,"-crlf") == 0)
1269                         { s_crlf=1; }
1270                 else if (strcmp(*argv,"-quiet") == 0)
1271                         { s_quiet=1; }
1272                 else if (strcmp(*argv,"-brief") == 0)
1273                         {
1274                         s_quiet=1;
1275                         s_brief=1;
1276                         verify_quiet=1;
1277                         }
1278                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1279                         { no_tmp_rsa=1; }
1280                 else if (strcmp(*argv,"-no_dhe") == 0)
1281                         { no_dhe=1; }
1282                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1283                         { no_ecdhe=1; }
1284                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1285                         { no_resume_ephemeral = 1; }
1286 #ifndef OPENSSL_NO_PSK
1287                 else if (strcmp(*argv,"-psk_hint") == 0)
1288                         {
1289                         if (--argc < 1) goto bad;
1290                         psk_identity_hint= *(++argv);
1291                         }
1292                 else if (strcmp(*argv,"-psk") == 0)
1293                         {
1294                         size_t i;
1295
1296                         if (--argc < 1) goto bad;
1297                         psk_key=*(++argv);
1298                         for (i=0; i<strlen(psk_key); i++)
1299                                 {
1300                                 if (isxdigit((unsigned char)psk_key[i]))
1301                                         continue;
1302                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1303                                 goto bad;
1304                                 }
1305                         }
1306 #endif
1307 #ifndef OPENSSL_NO_SRP
1308                 else if (strcmp(*argv, "-srpvfile") == 0)
1309                         {
1310                         if (--argc < 1) goto bad;
1311                         srp_verifier_file = *(++argv);
1312                         meth = TLSv1_server_method();
1313                         }
1314                 else if (strcmp(*argv, "-srpuserseed") == 0)
1315                         {
1316                         if (--argc < 1) goto bad;
1317                         srpuserseed = *(++argv);
1318                         meth = TLSv1_server_method();
1319                         }
1320 #endif
1321                 else if (strcmp(*argv,"-www") == 0)
1322                         { www=1; }
1323                 else if (strcmp(*argv,"-WWW") == 0)
1324                         { www=2; }
1325                 else if (strcmp(*argv,"-HTTP") == 0)
1326                         { www=3; }
1327 #ifndef OPENSSL_NO_SSL2
1328                 else if (strcmp(*argv,"-ssl2") == 0)
1329                         { meth=SSLv2_server_method(); }
1330 #endif
1331 #ifndef OPENSSL_NO_SSL3
1332                 else if (strcmp(*argv,"-ssl3") == 0)
1333                         { meth=SSLv3_server_method(); }
1334 #endif
1335 #ifndef OPENSSL_NO_TLS1
1336                 else if (strcmp(*argv,"-tls1") == 0)
1337                         { meth=TLSv1_server_method(); }
1338                 else if (strcmp(*argv,"-tls1_1") == 0)
1339                         { meth=TLSv1_1_server_method(); }
1340                 else if (strcmp(*argv,"-tls1_2") == 0)
1341                         { meth=TLSv1_2_server_method(); }
1342 #endif
1343 #ifndef OPENSSL_NO_DTLS1
1344                 else if (strcmp(*argv,"-dtls1") == 0)
1345                         {
1346                         meth=DTLSv1_server_method();
1347                         socket_type = SOCK_DGRAM;
1348                         }
1349                 else if (strcmp(*argv,"-timeout") == 0)
1350                         enable_timeouts = 1;
1351                 else if (strcmp(*argv,"-mtu") == 0)
1352                         {
1353                         if (--argc < 1) goto bad;
1354                         socket_mtu = atol(*(++argv));
1355                         }
1356                 else if (strcmp(*argv, "-chain") == 0)
1357                         cert_chain = 1;
1358 #endif
1359                 else if (strcmp(*argv, "-id_prefix") == 0)
1360                         {
1361                         if (--argc < 1) goto bad;
1362                         session_id_prefix = *(++argv);
1363                         }
1364 #ifndef OPENSSL_NO_ENGINE
1365                 else if (strcmp(*argv,"-engine") == 0)
1366                         {
1367                         if (--argc < 1) goto bad;
1368                         engine_id= *(++argv);
1369                         }
1370 #endif
1371                 else if (strcmp(*argv,"-rand") == 0)
1372                         {
1373                         if (--argc < 1) goto bad;
1374                         inrand= *(++argv);
1375                         }
1376 #ifndef OPENSSL_NO_TLSEXT
1377                 else if (strcmp(*argv,"-servername") == 0)
1378                         {
1379                         if (--argc < 1) goto bad;
1380                         tlsextcbp.servername= *(++argv);
1381                         }
1382                 else if (strcmp(*argv,"-servername_fatal") == 0)
1383                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1384                 else if (strcmp(*argv,"-cert2") == 0)
1385                         {
1386                         if (--argc < 1) goto bad;
1387                         s_cert_file2= *(++argv);
1388                         }
1389                 else if (strcmp(*argv,"-key2") == 0)
1390                         {
1391                         if (--argc < 1) goto bad;
1392                         s_key_file2= *(++argv);
1393                         }
1394 # ifndef OPENSSL_NO_NEXTPROTONEG
1395                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1396                         {
1397                         if (--argc < 1) goto bad;
1398                         next_proto_neg_in = *(++argv);
1399                         }
1400 # endif
1401 #endif
1402 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1403                 else if (strcmp(*argv,"-jpake") == 0)
1404                         {
1405                         if (--argc < 1) goto bad;
1406                         jpake_secret = *(++argv);
1407                         }
1408 #endif
1409                 else if (strcmp(*argv,"-use_srtp") == 0)
1410                         {
1411                         if (--argc < 1) goto bad;
1412                         srtp_profiles = *(++argv);
1413                         }
1414                 else if (strcmp(*argv,"-keymatexport") == 0)
1415                         {
1416                         if (--argc < 1) goto bad;
1417                         keymatexportlabel= *(++argv);
1418                         }
1419                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1420                         {
1421                         if (--argc < 1) goto bad;
1422                         keymatexportlen=atoi(*(++argv));
1423                         if (keymatexportlen == 0) goto bad;
1424                         }
1425                 else
1426                         {
1427                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1428                         badop=1;
1429                         break;
1430                         }
1431                 argc--;
1432                 argv++;
1433                 }
1434         if (badop)
1435                 {
1436 bad:
1437                 sv_usage();
1438                 goto end;
1439                 }
1440
1441 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1442         if (jpake_secret)
1443                 {
1444                 if (psk_key)
1445                         {
1446                         BIO_printf(bio_err,
1447                                    "Can't use JPAKE and PSK together\n");
1448                         goto end;
1449                         }
1450                 psk_identity = "JPAKE";
1451                 }
1452 #endif
1453
1454         SSL_load_error_strings();
1455         OpenSSL_add_ssl_algorithms();
1456
1457 #ifndef OPENSSL_NO_ENGINE
1458         e = setup_engine(bio_err, engine_id, 1);
1459 #endif
1460
1461         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1462                 {
1463                 BIO_printf(bio_err, "Error getting password\n");
1464                 goto end;
1465                 }
1466
1467
1468         if (s_key_file == NULL)
1469                 s_key_file = s_cert_file;
1470 #ifndef OPENSSL_NO_TLSEXT
1471         if (s_key_file2 == NULL)
1472                 s_key_file2 = s_cert_file2;
1473 #endif
1474
1475         if (!load_excert(&exc, bio_err))
1476                 goto end;
1477
1478         if (nocert == 0)
1479                 {
1480                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1481                        "server certificate private key file");
1482                 if (!s_key)
1483                         {
1484                         ERR_print_errors(bio_err);
1485                         goto end;
1486                         }
1487
1488                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1489                         NULL, e, "server certificate file");
1490
1491                 if (!s_cert)
1492                         {
1493                         ERR_print_errors(bio_err);
1494                         goto end;
1495                         }
1496                 if (s_chain_file)
1497                         {
1498                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1499                                         NULL, e, "server certificate chain");
1500                         if (!s_chain)
1501                                 goto end;
1502                         }
1503
1504 #ifndef OPENSSL_NO_TLSEXT
1505                 if (tlsextcbp.servername)
1506                         {
1507                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1508                                 "second server certificate private key file");
1509                         if (!s_key2)
1510                                 {
1511                                 ERR_print_errors(bio_err);
1512                                 goto end;
1513                                 }
1514
1515                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1516                                 NULL, e, "second server certificate file");
1517
1518                         if (!s_cert2)
1519                                 {
1520                                 ERR_print_errors(bio_err);
1521                                 goto end;
1522                                 }
1523                         }
1524 #endif /* OPENSSL_NO_TLSEXT */
1525                 }
1526
1527 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1528         if (next_proto_neg_in)
1529                 {
1530                 unsigned short len;
1531                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1532                 if (next_proto.data == NULL)
1533                         goto end;
1534                 next_proto.len = len;
1535                 }
1536         else
1537                 {
1538                 next_proto.data = NULL;
1539                 }
1540 #endif
1541
1542         if (crl_file)
1543                 {
1544                 X509_CRL *crl;
1545                 crl = load_crl(crl_file, crl_format);
1546                 if (!crl)
1547                         {
1548                         BIO_puts(bio_err, "Error loading CRL\n");
1549                         ERR_print_errors(bio_err);
1550                         goto end;
1551                         }
1552                 crls = sk_X509_CRL_new_null();
1553                 if (!crls || !sk_X509_CRL_push(crls, crl))
1554                         {
1555                         BIO_puts(bio_err, "Error adding CRL\n");
1556                         ERR_print_errors(bio_err);
1557                         X509_CRL_free(crl);
1558                         goto end;
1559                         }
1560                 }
1561
1562
1563         if (s_dcert_file)
1564                 {
1565
1566                 if (s_dkey_file == NULL)
1567                         s_dkey_file = s_dcert_file;
1568
1569                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1570                                 0, dpass, e,
1571                                "second certificate private key file");
1572                 if (!s_dkey)
1573                         {
1574                         ERR_print_errors(bio_err);
1575                         goto end;
1576                         }
1577
1578                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1579                                 NULL, e, "second server certificate file");
1580
1581                 if (!s_dcert)
1582                         {
1583                         ERR_print_errors(bio_err);
1584                         goto end;
1585                         }
1586                 if (s_dchain_file)
1587                         {
1588                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1589                                 NULL, e, "second server certificate chain");
1590                         if (!s_dchain)
1591                                 goto end;
1592                         }
1593
1594                 }
1595
1596         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1597                 && !RAND_status())
1598                 {
1599                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1600                 }
1601         if (inrand != NULL)
1602                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1603                         app_RAND_load_files(inrand));
1604
1605         if (bio_s_out == NULL)
1606                 {
1607                 if (s_quiet && !s_debug)
1608                         {
1609                         bio_s_out=BIO_new(BIO_s_null());
1610                         if (s_msg && !bio_s_msg)
1611                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1612                         }
1613                 else
1614                         {
1615                         if (bio_s_out == NULL)
1616                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1617                         }
1618                 }
1619
1620 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1621         if (nocert)
1622 #endif
1623                 {
1624                 s_cert_file=NULL;
1625                 s_key_file=NULL;
1626                 s_dcert_file=NULL;
1627                 s_dkey_file=NULL;
1628 #ifndef OPENSSL_NO_TLSEXT
1629                 s_cert_file2=NULL;
1630                 s_key_file2=NULL;
1631 #endif
1632                 }
1633
1634         ctx=SSL_CTX_new(meth);
1635         if (ctx == NULL)
1636                 {
1637                 ERR_print_errors(bio_err);
1638                 goto end;
1639                 }
1640         if (session_id_prefix)
1641                 {
1642                 if(strlen(session_id_prefix) >= 32)
1643                         BIO_printf(bio_err,
1644 "warning: id_prefix is too long, only one new session will be possible\n");
1645                 else if(strlen(session_id_prefix) >= 16)
1646                         BIO_printf(bio_err,
1647 "warning: id_prefix is too long if you use SSLv2\n");
1648                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1649                         {
1650                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1651                         ERR_print_errors(bio_err);
1652                         goto end;
1653                         }
1654                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1655                 }
1656         SSL_CTX_set_quiet_shutdown(ctx,1);
1657         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1658         if (exc) ssl_ctx_set_excert(ctx, exc);
1659         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1660          * Setting read ahead solves this problem.
1661          */
1662         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1663
1664         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1665         if (no_cache)
1666                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1667         else
1668                 SSL_CTX_sess_set_cache_size(ctx,128);
1669
1670         if (srtp_profiles != NULL)
1671                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1672
1673 #if 0
1674         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1675 #endif
1676
1677 #if 0
1678         if (s_cert_file == NULL)
1679                 {
1680                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1681                 goto end;
1682                 }
1683 #endif
1684
1685         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1686                 (!SSL_CTX_set_default_verify_paths(ctx)))
1687                 {
1688                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1689                 ERR_print_errors(bio_err);
1690                 /* goto end; */
1691                 }
1692         if (vpm)
1693                 SSL_CTX_set1_param(ctx, vpm);
1694
1695         ssl_ctx_add_crls(ctx, crls, 0);
1696
1697         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1698                 goto end;
1699
1700         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1701                                                 crls, crl_download))
1702                 {
1703                 BIO_printf(bio_err, "Error loading store locations\n");
1704                 ERR_print_errors(bio_err);
1705                 goto end;
1706                 }
1707
1708 #ifndef OPENSSL_NO_TLSEXT
1709         if (s_cert2)
1710                 {
1711                 ctx2=SSL_CTX_new(meth);
1712                 if (ctx2 == NULL)
1713                         {
1714                         ERR_print_errors(bio_err);
1715                         goto end;
1716                         }
1717                 }
1718
1719         if (ctx2)
1720                 {
1721                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1722
1723                 if (session_id_prefix)
1724                         {
1725                         if(strlen(session_id_prefix) >= 32)
1726                                 BIO_printf(bio_err,
1727                                         "warning: id_prefix is too long, only one new session will be possible\n");
1728                         else if(strlen(session_id_prefix) >= 16)
1729                                 BIO_printf(bio_err,
1730                                         "warning: id_prefix is too long if you use SSLv2\n");
1731                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1732                                 {
1733                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1734                                 ERR_print_errors(bio_err);
1735                                 goto end;
1736                                 }
1737                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1738                         }
1739                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1740                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1741                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1742                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1743                  * Setting read ahead solves this problem.
1744                  */
1745                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1746
1747                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1748
1749                 if (no_cache)
1750                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1751                 else
1752                         SSL_CTX_sess_set_cache_size(ctx2,128);
1753
1754                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1755                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1756                         {
1757                         ERR_print_errors(bio_err);
1758                         }
1759                 if (vpm)
1760                         SSL_CTX_set1_param(ctx2, vpm);
1761
1762                 ssl_ctx_add_crls(ctx2, crls, 0);
1763
1764                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1765                         goto end;
1766
1767                 }
1768
1769 # ifndef OPENSSL_NO_NEXTPROTONEG
1770         if (next_proto.data)
1771                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1772 # endif
1773 #endif
1774
1775 #ifndef OPENSSL_NO_DH
1776         if (!no_dhe)
1777                 {
1778                 DH *dh=NULL;
1779
1780                 if (dhfile)
1781                         dh = load_dh_param(dhfile);
1782                 else if (s_cert_file)
1783                         dh = load_dh_param(s_cert_file);
1784
1785                 if (dh != NULL)
1786                         {
1787                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1788                         }
1789                 else
1790                         {
1791                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1792                         dh=get_dh512();
1793                         }
1794                 (void)BIO_flush(bio_s_out);
1795
1796                 SSL_CTX_set_tmp_dh(ctx,dh);
1797 #ifndef OPENSSL_NO_TLSEXT
1798                 if (ctx2)
1799                         {
1800                         if (!dhfile)
1801                                 {
1802                                 DH *dh2=load_dh_param(s_cert_file2);
1803                                 if (dh2 != NULL)
1804                                         {
1805                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1806                                         (void)BIO_flush(bio_s_out);
1807
1808                                         DH_free(dh);
1809                                         dh = dh2;
1810                                         }
1811                                 }
1812                         SSL_CTX_set_tmp_dh(ctx2,dh);
1813                         }
1814 #endif
1815                 DH_free(dh);
1816                 }
1817 #endif
1818
1819         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1820                 goto end;
1821 #ifndef OPENSSL_NO_TLSEXT
1822         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1823                 goto end;
1824         if (s_serverinfo_file != NULL
1825             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1826                 goto end;
1827 #endif
1828 #ifndef OPENSSL_NO_TLSEXT
1829         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1830                 goto end;
1831 #endif
1832         if (s_dcert != NULL)
1833                 {
1834                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1835                         goto end;
1836                 }
1837
1838 #ifndef OPENSSL_NO_RSA
1839 #if 1
1840         if (!no_tmp_rsa)
1841                 {
1842                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1843 #ifndef OPENSSL_NO_TLSEXT
1844                 if (ctx2)
1845                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1846 #endif
1847                 }
1848 #else
1849         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1850                 {
1851                 RSA *rsa;
1852
1853                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1854                 BIO_flush(bio_s_out);
1855
1856                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1857
1858                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1859                         {
1860                         ERR_print_errors(bio_err);
1861                         goto end;
1862                         }
1863 #ifndef OPENSSL_NO_TLSEXT
1864                         if (ctx2)
1865                                 {
1866                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1867                                         {
1868                                         ERR_print_errors(bio_err);
1869                                         goto end;
1870                                         }
1871                                 }
1872 #endif
1873                 RSA_free(rsa);
1874                 BIO_printf(bio_s_out,"\n");
1875                 }
1876 #endif
1877 #endif
1878
1879 #ifndef OPENSSL_NO_PSK
1880 #ifdef OPENSSL_NO_JPAKE
1881         if (psk_key != NULL)
1882 #else
1883         if (psk_key != NULL || jpake_secret)
1884 #endif
1885                 {
1886                 if (s_debug)
1887                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1888                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1889                 }
1890
1891         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1892                 {
1893                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1894                 ERR_print_errors(bio_err);
1895                 goto end;
1896                 }
1897 #endif
1898
1899         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1900         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1901                 sizeof s_server_session_id_context);
1902
1903         /* Set DTLS cookie generation and verification callbacks */
1904         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1905         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1906
1907 #ifndef OPENSSL_NO_TLSEXT
1908         if (ctx2)
1909                 {
1910                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1911                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1912                         sizeof s_server_session_id_context);
1913
1914                 tlsextcbp.biodebug = bio_s_out;
1915                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1916                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1917                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1918                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1919                 }
1920 #endif
1921
1922 #ifndef OPENSSL_NO_SRP
1923         if (srp_verifier_file != NULL)
1924                 {
1925                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1926                 srp_callback_parm.user = NULL;
1927                 srp_callback_parm.login = NULL;
1928                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1929                         {
1930                         BIO_printf(bio_err,
1931                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1932                                    srp_verifier_file, ret);
1933                                 goto end;
1934                         }
1935                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1936                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1937                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1938                 }
1939         else
1940 #endif
1941         if (CAfile != NULL)
1942                 {
1943                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1944 #ifndef OPENSSL_NO_TLSEXT
1945                 if (ctx2)
1946                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1947 #endif
1948                 }
1949
1950         BIO_printf(bio_s_out,"ACCEPT\n");
1951         (void)BIO_flush(bio_s_out);
1952         if (www)
1953                 do_server(port,socket_type,&accept_socket,www_body, context);
1954         else
1955                 do_server(port,socket_type,&accept_socket,sv_body, context);
1956         print_stats(bio_s_out,ctx);
1957         ret=0;
1958 end:
1959         if (ctx != NULL) SSL_CTX_free(ctx);
1960         if (s_cert)
1961                 X509_free(s_cert);
1962         if (crls)
1963                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1964         if (s_dcert)
1965                 X509_free(s_dcert);
1966         if (s_key)
1967                 EVP_PKEY_free(s_key);
1968         if (s_dkey)
1969                 EVP_PKEY_free(s_dkey);
1970         if (s_chain)
1971                 sk_X509_pop_free(s_chain, X509_free);
1972         if (s_dchain)
1973                 sk_X509_pop_free(s_dchain, X509_free);
1974         if (pass)
1975                 OPENSSL_free(pass);
1976         if (dpass)
1977                 OPENSSL_free(dpass);
1978         if (vpm)
1979                 X509_VERIFY_PARAM_free(vpm);
1980 #ifndef OPENSSL_NO_TLSEXT
1981         if (tlscstatp.host)
1982                 OPENSSL_free(tlscstatp.host);
1983         if (tlscstatp.port)
1984                 OPENSSL_free(tlscstatp.port);
1985         if (tlscstatp.path)
1986                 OPENSSL_free(tlscstatp.path);
1987         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1988         if (s_cert2)
1989                 X509_free(s_cert2);
1990         if (s_key2)
1991                 EVP_PKEY_free(s_key2);
1992         if (authz_in != NULL)
1993                 BIO_free(authz_in);
1994         if (serverinfo_in != NULL)
1995                 BIO_free(serverinfo_in);
1996 #endif
1997         ssl_excert_free(exc);
1998         if (ssl_args)
1999                 sk_OPENSSL_STRING_free(ssl_args);
2000         if (cctx)
2001                 SSL_CONF_CTX_free(cctx);
2002 #ifndef OPENSSL_NO_JPAKE
2003         if (jpake_secret && psk_key)
2004                 OPENSSL_free(psk_key);
2005 #endif
2006         if (bio_s_out != NULL)
2007                 {
2008                 BIO_free(bio_s_out);
2009                 bio_s_out=NULL;
2010                 }
2011         if (bio_s_msg != NULL)
2012                 {
2013                 BIO_free(bio_s_msg);
2014                 bio_s_msg = NULL;
2015                 }
2016         apps_shutdown();
2017         OPENSSL_EXIT(ret);
2018         }
2019
2020 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2021         {
2022         BIO_printf(bio,"%4ld items in the session cache\n",
2023                 SSL_CTX_sess_number(ssl_ctx));
2024         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2025                 SSL_CTX_sess_connect(ssl_ctx));
2026         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2027                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2028         BIO_printf(bio,"%4ld client connects that finished\n",
2029                 SSL_CTX_sess_connect_good(ssl_ctx));
2030         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2031                 SSL_CTX_sess_accept(ssl_ctx));
2032         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2033                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2034         BIO_printf(bio,"%4ld server accepts that finished\n",
2035                 SSL_CTX_sess_accept_good(ssl_ctx));
2036         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2037         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2038         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2039         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2040         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2041                 SSL_CTX_sess_cache_full(ssl_ctx),
2042                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2043         }
2044
2045 static int sv_body(char *hostname, int s, unsigned char *context)
2046         {
2047         char *buf=NULL;
2048         fd_set readfds;
2049         int ret=1,width;
2050         int k,i;
2051         unsigned long l;
2052         SSL *con=NULL;
2053         BIO *sbio;
2054 #ifndef OPENSSL_NO_KRB5
2055         KSSL_CTX *kctx;
2056 #endif
2057         struct timeval timeout;
2058 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2059         struct timeval tv;
2060 #else
2061         struct timeval *timeoutp;
2062 #endif
2063
2064         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2065                 {
2066                 BIO_printf(bio_err,"out of memory\n");
2067                 goto err;
2068                 }
2069 #ifdef FIONBIO
2070         if (s_nbio)
2071                 {
2072                 unsigned long sl=1;
2073
2074                 if (!s_quiet)
2075                         BIO_printf(bio_err,"turning on non blocking io\n");
2076                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2077                         ERR_print_errors(bio_err);
2078                 }
2079 #endif
2080
2081         if (con == NULL) {
2082                 con=SSL_new(ctx);
2083 #ifndef OPENSSL_NO_TLSEXT
2084         if (s_tlsextdebug)
2085                 {
2086                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2087                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2088                 }
2089         if (s_tlsextstatus)
2090                 {
2091                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2092                 tlscstatp.err = bio_err;
2093                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2094                 }
2095 #endif
2096 #ifndef OPENSSL_NO_KRB5
2097                 if ((kctx = kssl_ctx_new()) != NULL)
2098                         {
2099                         SSL_set0_kssl_ctx(con, kctx);
2100                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2101                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2102                         }
2103 #endif  /* OPENSSL_NO_KRB5 */
2104                 if(context)
2105                       SSL_set_session_id_context(con, context,
2106                                                  strlen((char *)context));
2107         }
2108         SSL_clear(con);
2109 #if 0
2110 #ifdef TLSEXT_TYPE_opaque_prf_input
2111         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2112 #endif
2113 #endif
2114
2115         if (SSL_version(con) == DTLS1_VERSION)
2116                 {
2117
2118                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2119
2120                 if (enable_timeouts)
2121                         {
2122                         timeout.tv_sec = 0;
2123                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2124                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2125
2126                         timeout.tv_sec = 0;
2127                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2128                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2129                         }
2130
2131                 if (socket_mtu > 28)
2132                         {
2133                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2134                         SSL_set_mtu(con, socket_mtu - 28);
2135                         }
2136                 else
2137                         /* want to do MTU discovery */
2138                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2139
2140         /* turn on cookie exchange */
2141         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2142                 }
2143         else
2144                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2145
2146         if (s_nbio_test)
2147                 {
2148                 BIO *test;
2149
2150                 test=BIO_new(BIO_f_nbio_test());
2151                 sbio=BIO_push(test,sbio);
2152                 }
2153 #ifndef OPENSSL_NO_JPAKE
2154         if(jpake_secret)
2155                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2156 #endif
2157
2158         SSL_set_bio(con,sbio,sbio);
2159         SSL_set_accept_state(con);
2160         /* SSL_set_fd(con,s); */
2161
2162         if (s_debug)
2163                 {
2164                 SSL_set_debug(con, 1);
2165                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2166                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2167                 }
2168         if (s_msg)
2169                 {
2170 #ifndef OPENSSL_NO_SSL_TRACE
2171                 if (s_msg == 2)
2172                         SSL_set_msg_callback(con, SSL_trace);
2173                 else
2174 #endif
2175                         SSL_set_msg_callback(con, msg_cb);
2176                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2177                 }
2178 #ifndef OPENSSL_NO_TLSEXT
2179         if (s_tlsextdebug)
2180                 {
2181                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2182                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2183                 }
2184 #endif
2185
2186         width=s+1;
2187         for (;;)
2188                 {
2189                 int read_from_terminal;
2190                 int read_from_sslcon;
2191
2192                 read_from_terminal = 0;
2193                 read_from_sslcon = SSL_pending(con);
2194
2195                 if (!read_from_sslcon)
2196                         {
2197                         FD_ZERO(&readfds);
2198 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2199                         openssl_fdset(fileno(stdin),&readfds);
2200 #endif
2201                         openssl_fdset(s,&readfds);
2202                         /* Note: under VMS with SOCKETSHR the second parameter is
2203                          * currently of type (int *) whereas under other systems
2204                          * it is (void *) if you don't have a cast it will choke
2205                          * the compiler: if you do have a cast then you can either
2206                          * go for (int *) or (void *).
2207                          */
2208 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2209                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2210                          * on sockets. As a workaround we timeout the select every
2211                          * second and check for any keypress. In a proper Windows
2212                          * application we wouldn't do this because it is inefficient.
2213                          */
2214                         tv.tv_sec = 1;
2215                         tv.tv_usec = 0;
2216                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2217                         if((i < 0) || (!i && !_kbhit() ) )continue;
2218                         if(_kbhit())
2219                                 read_from_terminal = 1;
2220 #elif defined(OPENSSL_SYS_BEOS_R5)
2221                         /* Under BeOS-R5 the situation is similar to DOS */
2222                         tv.tv_sec = 1;
2223                         tv.tv_usec = 0;
2224                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2225                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2226                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2227                                 continue;
2228                         if (read(fileno(stdin), buf, 0) >= 0)
2229                                 read_from_terminal = 1;
2230                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2231 #else
2232                         if ((SSL_version(con) == DTLS1_VERSION) &&
2233                                 DTLSv1_get_timeout(con, &timeout))
2234                                 timeoutp = &timeout;
2235                         else
2236                                 timeoutp = NULL;
2237
2238                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2239
2240                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2241                                 {
2242                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2243                                 }
2244
2245                         if (i <= 0) continue;
2246                         if (FD_ISSET(fileno(stdin),&readfds))
2247                                 read_from_terminal = 1;
2248 #endif
2249                         if (FD_ISSET(s,&readfds))
2250                                 read_from_sslcon = 1;
2251                         }
2252                 if (read_from_terminal)
2253                         {
2254                         if (s_crlf)
2255                                 {
2256                                 int j, lf_num;
2257
2258                                 i=raw_read_stdin(buf, bufsize/2);
2259                                 lf_num = 0;
2260                                 /* both loops are skipped when i <= 0 */
2261                                 for (j = 0; j < i; j++)
2262                                         if (buf[j] == '\n')
2263                                                 lf_num++;
2264                                 for (j = i-1; j >= 0; j--)
2265                                         {
2266                                         buf[j+lf_num] = buf[j];
2267                                         if (buf[j] == '\n')
2268                                                 {
2269                                                 lf_num--;
2270                                                 i++;
2271                                                 buf[j+lf_num] = '\r';
2272                                                 }
2273                                         }
2274                                 assert(lf_num == 0);
2275                                 }
2276                         else
2277                                 i=raw_read_stdin(buf,bufsize);
2278                         if (!s_quiet && !s_brief)
2279                                 {
2280                                 if ((i <= 0) || (buf[0] == 'Q'))
2281                                         {
2282                                         BIO_printf(bio_s_out,"DONE\n");
2283                                         SHUTDOWN(s);
2284                                         close_accept_socket();
2285                                         ret= -11;
2286                                         goto err;
2287                                         }
2288                                 if ((i <= 0) || (buf[0] == 'q'))
2289                                         {
2290                                         BIO_printf(bio_s_out,"DONE\n");
2291                                         if (SSL_version(con) != DTLS1_VERSION)
2292                         SHUTDOWN(s);
2293         /*                              close_accept_socket();
2294                                         ret= -11;*/
2295                                         goto err;
2296                                         }
2297
2298 #ifndef OPENSSL_NO_HEARTBEATS
2299                                 if ((buf[0] == 'B') &&
2300                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2301                                         {
2302                                         BIO_printf(bio_err,"HEARTBEATING\n");
2303                                         SSL_heartbeat(con);
2304                                         i=0;
2305                                         continue;
2306                                         }
2307 #endif
2308                                 if ((buf[0] == 'r') &&
2309                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2310                                         {
2311                                         SSL_renegotiate(con);
2312                                         i=SSL_do_handshake(con);
2313                                         printf("SSL_do_handshake -> %d\n",i);
2314                                         i=0; /*13; */
2315                                         continue;
2316                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2317                                         }
2318                                 if ((buf[0] == 'R') &&
2319                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2320                                         {
2321                                         SSL_set_verify(con,
2322                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2323                                         SSL_renegotiate(con);
2324                                         i=SSL_do_handshake(con);
2325                                         printf("SSL_do_handshake -> %d\n",i);
2326                                         i=0; /* 13; */
2327                                         continue;
2328                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2329                                         }
2330                                 if (buf[0] == 'P')
2331                                         {
2332                                         static const char *str="Lets print some clear text\n";
2333                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2334                                         }
2335                                 if (buf[0] == 'S')
2336                                         {
2337                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2338                                         }
2339                                 }
2340 #ifdef CHARSET_EBCDIC
2341                         ebcdic2ascii(buf,buf,i);
2342 #endif
2343                         l=k=0;
2344                         for (;;)
2345                                 {
2346                                 /* should do a select for the write */
2347 #ifdef RENEG
2348 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2349 #endif
2350                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2351 #ifndef OPENSSL_NO_SRP
2352                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2353                                         {
2354                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2355                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2356                                         if (srp_callback_parm.user)
2357                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2358                                         else
2359                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2360                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2361                                         }
2362 #endif
2363                                 switch (SSL_get_error(con,k))
2364                                         {
2365                                 case SSL_ERROR_NONE:
2366                                         break;
2367                                 case SSL_ERROR_WANT_WRITE:
2368                                 case SSL_ERROR_WANT_READ:
2369                                 case SSL_ERROR_WANT_X509_LOOKUP:
2370                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2371                                         break;
2372                                 case SSL_ERROR_SYSCALL:
2373                                 case SSL_ERROR_SSL:
2374                                         BIO_printf(bio_s_out,"ERROR\n");
2375                                         ERR_print_errors(bio_err);
2376                                         ret=1;
2377                                         goto err;
2378                                         /* break; */
2379                                 case SSL_ERROR_ZERO_RETURN:
2380                                         BIO_printf(bio_s_out,"DONE\n");
2381                                         ret=1;
2382                                         goto err;
2383                                         }
2384                                 l+=k;
2385                                 i-=k;
2386                                 if (i <= 0) break;
2387                                 }
2388                         }
2389                 if (read_from_sslcon)
2390                         {
2391                         if (!SSL_is_init_finished(con))
2392                                 {
2393                                 i=init_ssl_connection(con);
2394
2395                                 if (i < 0)
2396                                         {
2397                                         ret=0;
2398                                         goto err;
2399                                         }
2400                                 else if (i == 0)
2401                                         {
2402                                         ret=1;
2403                                         goto err;
2404                                         }
2405                                 }
2406                         else
2407                                 {
2408 again:
2409                                 i=SSL_read(con,(char *)buf,bufsize);
2410 #ifndef OPENSSL_NO_SRP
2411                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2412                                         {
2413                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2414                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2415                                         if (srp_callback_parm.user)
2416                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2417                                         else
2418                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2419                                         i=SSL_read(con,(char *)buf,bufsize);
2420                                         }
2421 #endif
2422                                 switch (SSL_get_error(con,i))
2423                                         {
2424                                 case SSL_ERROR_NONE:
2425 #ifdef CHARSET_EBCDIC
2426                                         ascii2ebcdic(buf,buf,i);
2427 #endif
2428                                         raw_write_stdout(buf,
2429                                                 (unsigned int)i);
2430                                         if (SSL_pending(con)) goto again;
2431                                         break;
2432                                 case SSL_ERROR_WANT_WRITE:
2433                                 case SSL_ERROR_WANT_READ:
2434                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2435                                         break;
2436                                 case SSL_ERROR_SYSCALL:
2437                                 case SSL_ERROR_SSL:
2438                                         BIO_printf(bio_s_out,"ERROR\n");
2439                                         ERR_print_errors(bio_err);
2440                                         ret=1;
2441                                         goto err;
2442                                 case SSL_ERROR_ZERO_RETURN:
2443                                         BIO_printf(bio_s_out,"DONE\n");
2444                                         ret=1;
2445                                         goto err;
2446                                         }
2447                                 }
2448                         }
2449                 }
2450 err:
2451         if (con != NULL)
2452                 {
2453                 BIO_printf(bio_s_out,"shutting down SSL\n");
2454 #if 1
2455                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2456 #else
2457                 SSL_shutdown(con);
2458 #endif
2459                 SSL_free(con);
2460                 }
2461         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2462         if (buf != NULL)
2463                 {
2464                 OPENSSL_cleanse(buf,bufsize);
2465                 OPENSSL_free(buf);
2466                 }
2467         if (ret >= 0)
2468                 BIO_printf(bio_s_out,"ACCEPT\n");
2469         return(ret);
2470         }
2471
2472 static void close_accept_socket(void)
2473         {
2474         BIO_printf(bio_err,"shutdown accept socket\n");
2475         if (accept_socket >= 0)
2476                 {
2477                 SHUTDOWN2(accept_socket);
2478                 }
2479         }
2480
2481 static int init_ssl_connection(SSL *con)
2482         {
2483         int i;
2484         const char *str;
2485         X509 *peer;
2486         long verify_error;
2487         MS_STATIC char buf[BUFSIZ];
2488 #ifndef OPENSSL_NO_KRB5
2489         char *client_princ;
2490 #endif
2491 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2492         const unsigned char *next_proto_neg;
2493         unsigned next_proto_neg_len;
2494 #endif
2495         unsigned char *exportedkeymat;
2496
2497
2498         i=SSL_accept(con);
2499 #ifndef OPENSSL_NO_SRP
2500         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2501                 {
2502                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2503                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2504                         if (srp_callback_parm.user)
2505                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2506                         else
2507                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2508                         i=SSL_accept(con);
2509                 }
2510 #endif
2511         if (i <= 0)
2512                 {
2513                 if (BIO_sock_should_retry(i))
2514                         {
2515                         BIO_printf(bio_s_out,"DELAY\n");
2516                         return(1);
2517                         }
2518
2519                 BIO_printf(bio_err,"ERROR\n");
2520                 verify_error=SSL_get_verify_result(con);
2521                 if (verify_error != X509_V_OK)
2522                         {
2523                         BIO_printf(bio_err,"verify error:%s\n",
2524                                 X509_verify_cert_error_string(verify_error));
2525                         }
2526                 /* Always print any error messages */
2527                 ERR_print_errors(bio_err);
2528                 return(0);
2529                 }
2530
2531         if (s_brief)
2532                 print_ssl_summary(bio_err, con);
2533
2534         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2535
2536         peer=SSL_get_peer_certificate(con);
2537         if (peer != NULL)
2538                 {
2539                 BIO_printf(bio_s_out,"Client certificate\n");
2540                 PEM_write_bio_X509(bio_s_out,peer);
2541                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2542                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2543                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2544                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2545                 X509_free(peer);
2546                 }
2547
2548         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2549                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2550         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2551         ssl_print_sigalgs(bio_s_out, con);
2552         ssl_print_curves(bio_s_out, con, 0);
2553         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2554
2555 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2556         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2557         if (next_proto_neg)
2558                 {
2559                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2560                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2561                 BIO_printf(bio_s_out, "\n");
2562                 }
2563 #endif
2564         {
2565         SRTP_PROTECTION_PROFILE *srtp_profile
2566           = SSL_get_selected_srtp_profile(con);
2567
2568         if(srtp_profile)
2569                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2570                            srtp_profile->name);
2571         }
2572         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2573         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2574                 TLS1_FLAGS_TLS_PADDING_BUG)
2575                 BIO_printf(bio_s_out,
2576                            "Peer has incorrect TLSv1 block padding\n");
2577 #ifndef OPENSSL_NO_KRB5
2578         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2579         if (client_princ != NULL)
2580                 {
2581                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2582                                                                 client_princ);
2583                 }
2584 #endif /* OPENSSL_NO_KRB5 */
2585         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2586                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2587         if (keymatexportlabel != NULL)
2588                 {
2589                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2590                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2591                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2592                            keymatexportlen);
2593                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2594                 if (exportedkeymat != NULL)
2595                         {
2596                         if (!SSL_export_keying_material(con, exportedkeymat,
2597                                                         keymatexportlen,
2598                                                         keymatexportlabel,
2599                                                         strlen(keymatexportlabel),
2600                                                         NULL, 0, 0))
2601                                 {
2602                                 BIO_printf(bio_s_out, "    Error\n");
2603                                 }
2604                         else
2605                                 {
2606                                 BIO_printf(bio_s_out, "    Keying material: ");
2607                                 for (i=0; i<keymatexportlen; i++)
2608                                         BIO_printf(bio_s_out, "%02X",
2609                                                    exportedkeymat[i]);
2610                                 BIO_printf(bio_s_out, "\n");
2611                                 }
2612                         OPENSSL_free(exportedkeymat);
2613                         }
2614                 }
2615
2616         return(1);
2617         }
2618
2619 #ifndef OPENSSL_NO_DH
2620 static DH *load_dh_param(const char *dhfile)
2621         {
2622         DH *ret=NULL;
2623         BIO *bio;
2624
2625         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2626                 goto err;
2627         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2628 err:
2629         if (bio != NULL) BIO_free(bio);
2630         return(ret);
2631         }
2632 #endif
2633 #ifndef OPENSSL_NO_KRB5
2634         char *client_princ;
2635 #endif
2636
2637 #if 0
2638 static int load_CA(SSL_CTX *ctx, char *file)
2639         {
2640         FILE *in;
2641         X509 *x=NULL;
2642
2643         if ((in=fopen(file,"r")) == NULL)
2644                 return(0);
2645
2646         for (;;)
2647                 {
2648                 if (PEM_read_X509(in,&x,NULL) == NULL)
2649                         break;
2650                 SSL_CTX_add_client_CA(ctx,x);
2651                 }
2652         if (x != NULL) X509_free(x);
2653         fclose(in);
2654         return(1);
2655         }
2656 #endif
2657
2658 static int www_body(char *hostname, int s, unsigned char *context)
2659         {
2660         char *buf=NULL;
2661         int ret=1;
2662         int i,j,k,dot;
2663         SSL *con;
2664         const SSL_CIPHER *c;
2665         BIO *io,*ssl_bio,*sbio;
2666 #ifndef OPENSSL_NO_KRB5
2667         KSSL_CTX *kctx;
2668 #endif
2669
2670         buf=OPENSSL_malloc(bufsize);
2671         if (buf == NULL) return(0);
2672         io=BIO_new(BIO_f_buffer());
2673         ssl_bio=BIO_new(BIO_f_ssl());
2674         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2675
2676 #ifdef FIONBIO
2677         if (s_nbio)
2678                 {
2679                 unsigned long sl=1;
2680
2681                 if (!s_quiet)
2682                         BIO_printf(bio_err,"turning on non blocking io\n");
2683                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2684                         ERR_print_errors(bio_err);
2685                 }
2686 #endif
2687
2688         /* lets make the output buffer a reasonable size */
2689         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2690
2691         if ((con=SSL_new(ctx)) == NULL) goto err;
2692 #ifndef OPENSSL_NO_TLSEXT
2693                 if (s_tlsextdebug)
2694                         {
2695                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2696                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2697                         }
2698 #endif
2699 #ifndef OPENSSL_NO_KRB5
2700         if ((kctx = kssl_ctx_new()) != NULL)
2701                 {
2702                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2703                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2704                 }
2705 #endif  /* OPENSSL_NO_KRB5 */
2706         if(context) SSL_set_session_id_context(con, context,
2707                                                strlen((char *)context));
2708
2709         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2710         if (s_nbio_test)
2711                 {
2712                 BIO *test;
2713
2714                 test=BIO_new(BIO_f_nbio_test());
2715                 sbio=BIO_push(test,sbio);
2716                 }
2717         SSL_set_bio(con,sbio,sbio);
2718         SSL_set_accept_state(con);
2719
2720         /* SSL_set_fd(con,s); */
2721         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2722         BIO_push(io,ssl_bio);
2723 #ifdef CHARSET_EBCDIC
2724         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2725 #endif
2726
2727         if (s_debug)
2728                 {
2729                 SSL_set_debug(con, 1);
2730                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2731                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2732                 }
2733         if (s_msg)
2734                 {
2735 #ifndef OPENSSL_NO_SSL_TRACE
2736                 if (s_msg == 2)
2737                         SSL_set_msg_callback(con, SSL_trace);
2738                 else
2739 #endif
2740                         SSL_set_msg_callback(con, msg_cb);
2741                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2742                 }
2743
2744         for (;;)
2745                 {
2746                 if (hack)
2747                         {
2748                         i=SSL_accept(con);
2749 #ifndef OPENSSL_NO_SRP
2750                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2751                 {
2752                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2753                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2754                         if (srp_callback_parm.user)
2755                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2756                         else
2757                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2758                         i=SSL_accept(con);
2759                 }
2760 #endif
2761                         switch (SSL_get_error(con,i))
2762                                 {
2763                         case SSL_ERROR_NONE:
2764                                 break;
2765                         case SSL_ERROR_WANT_WRITE:
2766                         case SSL_ERROR_WANT_READ:
2767                         case SSL_ERROR_WANT_X509_LOOKUP:
2768                                 continue;
2769                         case SSL_ERROR_SYSCALL:
2770                         case SSL_ERROR_SSL:
2771                         case SSL_ERROR_ZERO_RETURN:
2772                                 ret=1;
2773                                 goto err;
2774                                 /* break; */
2775                                 }
2776
2777                         SSL_renegotiate(con);
2778                         SSL_write(con,NULL,0);
2779                         }
2780
2781                 i=BIO_gets(io,buf,bufsize-1);
2782                 if (i < 0) /* error */
2783                         {
2784                         if (!BIO_should_retry(io))
2785                                 {
2786                                 if (!s_quiet)
2787                                         ERR_print_errors(bio_err);
2788                                 goto err;
2789                                 }
2790                         else
2791                                 {
2792                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2793 #if defined(OPENSSL_SYS_NETWARE)
2794             delay(1000);
2795 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2796                                 sleep(1);
2797 #endif
2798                                 continue;
2799                                 }
2800                         }
2801                 else if (i == 0) /* end of input */
2802                         {
2803                         ret=1;
2804                         goto end;
2805                         }
2806
2807                 /* else we have data */
2808                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2809                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2810                         {
2811                         char *p;
2812                         X509 *peer;
2813                         STACK_OF(SSL_CIPHER) *sk;
2814                         static const char *space="                          ";
2815
2816                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2817                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2818                         BIO_puts(io,"<pre>\n");
2819 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2820                         BIO_puts(io,"\n");
2821                         for (i=0; i<local_argc; i++)
2822                                 {
2823                                 BIO_puts(io,local_argv[i]);
2824                                 BIO_write(io," ",1);
2825                                 }
2826                         BIO_puts(io,"\n");
2827
2828                         BIO_printf(io,
2829                                 "Secure Renegotiation IS%s supported\n",
2830                                 SSL_get_secure_renegotiation_support(con) ?
2831                                                         "" : " NOT");
2832
2833                         /* The following is evil and should not really
2834                          * be done */
2835                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2836                         sk=SSL_get_ciphers(con);
2837                         j=sk_SSL_CIPHER_num(sk);
2838                         for (i=0; i<j; i++)
2839                                 {
2840                                 c=sk_SSL_CIPHER_value(sk,i);
2841                                 BIO_printf(io,"%-11s:%-25s",
2842                                         SSL_CIPHER_get_version(c),
2843                                         SSL_CIPHER_get_name(c));
2844                                 if ((((i+1)%2) == 0) && (i+1 != j))
2845                                         BIO_puts(io,"\n");
2846                                 }
2847                         BIO_puts(io,"\n");
2848                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2849                         if (p != NULL)
2850                                 {
2851                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2852                                 j=i=0;
2853                                 while (*p)
2854                                         {
2855                                         if (*p == ':')
2856                                                 {
2857                                                 BIO_write(io,space,26-j);
2858                                                 i++;
2859                                                 j=0;
2860                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2861                                                 }
2862                                         else
2863                                                 {
2864                                                 BIO_write(io,p,1);
2865                                                 j++;
2866                                                 }
2867                                         p++;
2868                                         }
2869                                 BIO_puts(io,"\n");
2870                                 }
2871                         ssl_print_sigalgs(io, con);
2872                         ssl_print_curves(io, con, 0);
2873                         BIO_printf(io,(SSL_cache_hit(con)
2874                                 ?"---\nReused, "
2875                                 :"---\nNew, "));
2876                         c=SSL_get_current_cipher(con);
2877                         BIO_printf(io,"%s, Cipher is %s\n",
2878                                 SSL_CIPHER_get_version(c),
2879                                 SSL_CIPHER_get_name(c));
2880                         SSL_SESSION_print(io,SSL_get_session(con));
2881                         BIO_printf(io,"---\n");
2882                         print_stats(io,SSL_get_SSL_CTX(con));
2883                         BIO_printf(io,"---\n");
2884                         peer=SSL_get_peer_certificate(con);
2885                         if (peer != NULL)
2886                                 {
2887                                 BIO_printf(io,"Client certificate\n");
2888                                 X509_print(io,peer);
2889                                 PEM_write_bio_X509(io,peer);
2890                                 }
2891                         else
2892                                 BIO_puts(io,"no client certificate available\n");
2893                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2894                         break;
2895                         }
2896                 else if ((www == 2 || www == 3)
2897                          && (strncmp("GET /",buf,5) == 0))
2898                         {
2899                         BIO *file;
2900                         char *p,*e;
2901                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2902
2903                         /* skip the '/' */
2904                         p= &(buf[5]);
2905
2906                         dot = 1;
2907                         for (e=p; *e != '\0'; e++)
2908                                 {
2909                                 if (e[0] == ' ')
2910                                         break;
2911
2912                                 switch (dot)
2913                                         {
2914                                 case 1:
2915                                         dot = (e[0] == '.') ? 2 : 0;
2916                                         break;
2917                                 case 2:
2918                                         dot = (e[0] == '.') ? 3 : 0;
2919                                         break;
2920                                 case 3:
2921                                         dot = (e[0] == '/') ? -1 : 0;
2922                                         break;
2923                                         }
2924                                 if (dot == 0)
2925                                         dot = (e[0] == '/') ? 1 : 0;
2926                                 }
2927                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2928
2929                         if (*e == '\0')
2930                                 {
2931                                 BIO_puts(io,text);
2932                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2933                                 break;
2934                                 }
2935                         *e='\0';
2936
2937                         if (dot)
2938                                 {
2939                                 BIO_puts(io,text);
2940                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2941                                 break;
2942                                 }
2943
2944                         if (*p == '/')
2945                                 {
2946                                 BIO_puts(io,text);
2947                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2948                                 break;
2949                                 }
2950
2951 #if 0
2952                         /* append if a directory lookup */
2953                         if (e[-1] == '/')
2954                                 strcat(p,"index.html");
2955 #endif
2956
2957                         /* if a directory, do the index thang */
2958                         if (app_isdir(p)>0)
2959                                 {
2960 #if 0 /* must check buffer size */
2961                                 strcat(p,"/index.html");
2962 #else
2963                                 BIO_puts(io,text);
2964                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2965                                 break;
2966 #endif
2967                                 }
2968
2969                         if ((file=BIO_new_file(p,"r")) == NULL)
2970                                 {
2971                                 BIO_puts(io,text);
2972                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2973                                 ERR_print_errors(io);
2974                                 break;
2975                                 }
2976
2977                         if (!s_quiet)
2978                                 BIO_printf(bio_err,"FILE:%s\n",p);
2979
2980                         if (www == 2)
2981                                 {
2982                                 i=strlen(p);
2983                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2984                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2985                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2986                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2987                                 else
2988                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2989                                 }
2990                         /* send the file */
2991                         for (;;)
2992                                 {
2993                                 i=BIO_read(file,buf,bufsize);
2994                                 if (i <= 0) break;
2995
2996 #ifdef RENEG
2997                                 total_bytes+=i;
2998                                 fprintf(stderr,"%d\n",i);
2999                                 if (total_bytes > 3*1024)
3000                                         {
3001                                         total_bytes=0;
3002                                         fprintf(stderr,"RENEGOTIATE\n");
3003                                         SSL_renegotiate(con);
3004                                         }
3005 #endif
3006
3007                                 for (j=0; j<i; )
3008                                         {
3009 #ifdef RENEG
3010 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3011 #endif
3012                                         k=BIO_write(io,&(buf[j]),i-j);
3013                                         if (k <= 0)
3014                                                 {
3015                                                 if (!BIO_should_retry(io))
3016                                                         goto write_error;
3017                                                 else
3018                                                         {
3019                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3020                                                         }
3021                                                 }
3022                                         else
3023                                                 {
3024                                                 j+=k;
3025                                                 }
3026                                         }
3027                                 }
3028 write_error:
3029                         BIO_free(file);
3030                         break;
3031                         }
3032                 }
3033
3034         for (;;)
3035                 {
3036                 i=(int)BIO_flush(io);
3037                 if (i <= 0)
3038                         {
3039                         if (!BIO_should_retry(io))
3040                                 break;
3041                         }
3042                 else
3043                         break;
3044                 }
3045 end:
3046 #if 1
3047         /* make sure we re-use sessions */
3048         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3049 #else
3050         /* This kills performance */
3051 /*      SSL_shutdown(con); A shutdown gets sent in the
3052  *      BIO_free_all(io) procession */
3053 #endif
3054
3055 err:
3056
3057         if (ret >= 0)
3058                 BIO_printf(bio_s_out,"ACCEPT\n");
3059
3060         if (buf != NULL) OPENSSL_free(buf);
3061         if (io != NULL) BIO_free_all(io);
3062 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3063         return(ret);
3064         }
3065
3066 #ifndef OPENSSL_NO_RSA
3067 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3068         {
3069         BIGNUM *bn = NULL;
3070         static RSA *rsa_tmp=NULL;
3071
3072         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3073                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3074         if (!rsa_tmp && bn)
3075                 {
3076                 if (!s_quiet)
3077                         {
3078                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3079                         (void)BIO_flush(bio_err);
3080                         }
3081                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3082                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3083                         {
3084                         if(rsa_tmp) RSA_free(rsa_tmp);
3085                         rsa_tmp = NULL;
3086                         }
3087                 if (!s_quiet)
3088                         {
3089                         BIO_printf(bio_err,"\n");
3090                         (void)BIO_flush(bio_err);
3091                         }
3092                 BN_free(bn);
3093                 }
3094         return(rsa_tmp);
3095         }
3096 #endif
3097
3098 #define MAX_SESSION_ID_ATTEMPTS 10
3099 static int generate_session_id(const SSL *ssl, unsigned char *id,
3100                                 unsigned int *id_len)
3101         {
3102         unsigned int count = 0;
3103         do      {
3104                 RAND_pseudo_bytes(id, *id_len);
3105                 /* Prefix the session_id with the required prefix. NB: If our
3106                  * prefix is too long, clip it - but there will be worse effects
3107                  * anyway, eg. the server could only possibly create 1 session
3108                  * ID (ie. the prefix!) so all future session negotiations will
3109                  * fail due to conflicts. */
3110                 memcpy(id, session_id_prefix,
3111                         (strlen(session_id_prefix) < *id_len) ?
3112                         strlen(session_id_prefix) : *id_len);
3113                 }
3114         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3115                 (++count < MAX_SESSION_ID_ATTEMPTS));
3116         if(count >= MAX_SESSION_ID_ATTEMPTS)
3117                 return 0;
3118         return 1;
3119         }