apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, unsigned char *context);
 208 static int www_body(char *hostname, int s, unsigned char *context);
 209 static void close_accept_socket(void );
 210 static void sv_usage(void);
 211 static int init_ssl_connection(SSL *s);
 212 static void print_stats(BIO *bp,SSL_CTX *ctx);
 213 static int generate_session_id(const SSL *ssl, unsigned char *id,
 214                                 unsigned int *id_len);
 215 #ifndef OPENSSL_NO_DH
 216 static DH *load_dh_param(const char *dhfile);
 217 static DH *get_dh512(void);
 218 #endif
 219
 220 #ifdef MONOLITH
 221 static void s_server_init(void);
 222 #endif
 223
 224 #ifndef OPENSSL_NO_DH
 225 static unsigned char dh512_p[]={
 226         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 227         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 228         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 229         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 230         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 231         0x47,0x74,0xE8,0x33,
 232         };
 233 static unsigned char dh512_g[]={
 234         0x02,
 235         };
 236
 237 static DH *get_dh512(void)
 238         {
 239         DH *dh=NULL;
 240
 241         if ((dh=DH_new()) == NULL) return(NULL);
 242         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 243         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 244         if ((dh->p == NULL) || (dh->g == NULL))
 245                 return(NULL);
 246         return(dh);
 247         }
 248 #endif
 249
 250
 251 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 252
 253 #undef BUFSIZZ
 254 #define BUFSIZZ 16*1024
 255 static int bufsize=BUFSIZZ;
 256 static int accept_socket= -1;
 257
 258 #define TEST_CERT       "server.pem"
 259 #ifndef OPENSSL_NO_TLSEXT
 260 #define TEST_CERT2      "server2.pem"
 261 #endif
 262 #undef PROG
 263 #define PROG            s_server_main
 264
 265 extern int verify_depth, verify_return_error;
 266
 267 static 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 s_msg=0;
 294 static int s_quiet=0;
 295
 296 static char *keymatexportlabel=NULL;
 297 static int keymatexportlen=20;
 298
 299 static int hack=0;
 300 #ifndef OPENSSL_NO_ENGINE
 301 static char *engine_id=NULL;
 302 #endif
 303 static const char *session_id_prefix=NULL;
 304
 305 static int enable_timeouts = 0;
 306 static long socket_mtu;
 307 #ifndef OPENSSL_NO_DTLS1
 308 static int cert_chain = 0;
 309 #endif
 310
 311 #ifndef OPENSSL_NO_TLSEXT
 312 static BIO *authz_in = NULL;
 313 static const char *s_authz_file = NULL;
 314 #endif
 315
 316 #ifndef OPENSSL_NO_PSK
 317 static char *psk_identity="Client_identity";
 318 char *psk_key=NULL; /* by default PSK is not used */
 319
 320 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 321         unsigned char *psk, unsigned int max_psk_len)
 322         {
 323         unsigned int psk_len = 0;
 324         int ret;
 325         BIGNUM *bn = NULL;
 326
 327         if (s_debug)
 328                 BIO_printf(bio_s_out,"psk_server_cb\n");
 329         if (!identity)
 330                 {
 331                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 332                 goto out_err;
 333                 }
 334         if (s_debug)
 335                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 336                         identity ? (int)strlen(identity) : 0, identity);
 337
 338         /* here we could lookup the given identity e.g. from a database */
 339         if (strcmp(identity, psk_identity) != 0)
 340                 {
 341                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 342                            " (got '%s' expected '%s')\n", identity,
 343                            psk_identity);
 344                 goto out_err;
 345                 }
 346         if (s_debug)
 347                 BIO_printf(bio_s_out, "PSK client identity found\n");
 348
 349         /* convert the PSK key to binary */
 350         ret = BN_hex2bn(&bn, psk_key);
 351         if (!ret)
 352                 {
 353                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 354                 if (bn)
 355                         BN_free(bn);
 356                 return 0;
 357                 }
 358         if (BN_num_bytes(bn) > (int)max_psk_len)
 359                 {
 360                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 361                         max_psk_len, BN_num_bytes(bn));
 362                 BN_free(bn);
 363                 return 0;
 364                 }
 365
 366         ret = BN_bn2bin(bn, psk);
 367         BN_free(bn);
 368
 369         if (ret < 0)
 370                 goto out_err;
 371         psk_len = (unsigned int)ret;
 372
 373         if (s_debug)
 374                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 375         return psk_len;
 376  out_err:
 377         if (s_debug)
 378                 BIO_printf(bio_err, "Error in PSK server callback\n");
 379         return 0;
 380         }
 381 #endif
 382
 383 #ifndef OPENSSL_NO_SRP
 384 /* This is a context that we pass to callbacks */
 385 typedef struct srpsrvparm_st
 386         {
 387         char *login;
 388         SRP_VBASE *vb;
 389         SRP_user_pwd *user;
 390         } srpsrvparm;
 391
 392 /* This callback pretends to require some asynchronous logic in order to obtain
 393    a verifier. When the callback is called for a new connection we return
 394    with a negative value. This will provoke the accept etc to return with
 395    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 396    (which would normally occur after a worker has finished) and we
 397    set the user parameters.
 398 */
 399 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 400         {
 401         srpsrvparm *p = (srpsrvparm *)arg;
 402         if (p->login == NULL && p->user == NULL )
 403                 {
 404                 p->login = SSL_get_srp_username(s);
 405                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 406                 return (-1) ;
 407                 }
 408
 409         if (p->user == NULL)
 410                 {
 411                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 412                 return SSL3_AL_FATAL;
 413                 }
 414         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 415                                      p->user->info) < 0)
 416                 {
 417                 *ad = SSL_AD_INTERNAL_ERROR;
 418                 return SSL3_AL_FATAL;
 419                 }
 420         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 421         /* need to check whether there are memory leaks */
 422         p->user = NULL;
 423         p->login = NULL;
 424         return SSL_ERROR_NONE;
 425         }
 426
 427 #endif
 428
 429 #ifdef MONOLITH
 430 static void s_server_init(void)
 431         {
 432         accept_socket=-1;
 433         s_server_verify=SSL_VERIFY_NONE;
 434         s_dcert_file=NULL;
 435         s_dkey_file=NULL;
 436         s_dchain_file=NULL;
 437         s_cert_file=TEST_CERT;
 438         s_key_file=NULL;
 439         s_chain_file=NULL;
 440 #ifndef OPENSSL_NO_TLSEXT
 441         s_cert_file2=TEST_CERT2;
 442         s_key_file2=NULL;
 443         ctx2=NULL;
 444 #endif
 445 #ifdef FIONBIO
 446         s_nbio=0;
 447 #endif
 448         s_nbio_test=0;
 449         ctx=NULL;
 450         www=0;
 451
 452         bio_s_out=NULL;
 453         s_debug=0;
 454         s_msg=0;
 455         s_quiet=0;
 456         hack=0;
 457 #ifndef OPENSSL_NO_ENGINE
 458         engine_id=NULL;
 459 #endif
 460         }
 461 #endif
 462
 463 static void sv_usage(void)
 464         {
 465         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 466         BIO_printf(bio_err,"\n");
 467         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 468         BIO_printf(bio_err," -context arg  - set session ID context\n");
 469         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 470         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 471         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 472         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 473         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 474         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 475                            "                 The CRL(s) are appended to the certificate file\n");
 476         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 477                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 478                            "                 the certificate file.\n");
 479         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 480         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 481         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 482         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 483         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 484         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 485         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 486         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 487         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 488         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 489         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 490         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 491 #ifndef OPENSSL_NO_ECDH
 492         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 493                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 494                            "                 (default is nistp256).\n");
 495 #endif
 496 #ifdef FIONBIO
 497         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 498 #endif
 499         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 500         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 501         BIO_printf(bio_err," -debug        - Print more output\n");
 502         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 503         BIO_printf(bio_err," -state        - Print the SSL states\n");
 504         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 505         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 506         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 507         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 508         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 509         BIO_printf(bio_err," -quiet        - No server output\n");
 510         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 511 #ifndef OPENSSL_NO_PSK
 512         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 513         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 514 # ifndef OPENSSL_NO_JPAKE
 515         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 516 # endif
 517 #endif
 518 #ifndef OPENSSL_NO_SRP
 519         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 520         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 521 #endif
 522         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 523         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 524         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 525         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 526         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 527         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 528         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 529         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 530         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 531         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 532         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 533         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 534         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 535         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 536 #ifndef OPENSSL_NO_DH
 537         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 538 #endif
 539 #ifndef OPENSSL_NO_ECDH
 540         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 541 #endif
 542         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 543         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 544         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 545         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 546         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 547 #ifndef OPENSSL_NO_ENGINE
 548         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 549 #endif
 550         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 551         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 552 #ifndef OPENSSL_NO_TLSEXT
 553         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 554         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 555         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 556         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 557         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 558         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 559         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 560         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 561         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 562 # ifndef OPENSSL_NO_NEXTPROTONEG
 563         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 564 # endif
 565         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 566 #endif
 567         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 568         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 569         }
 570
 571 static int local_argc=0;
 572 static char **local_argv;
 573
 574 #ifdef CHARSET_EBCDIC
 575 static int ebcdic_new(BIO *bi);
 576 static int ebcdic_free(BIO *a);
 577 static int ebcdic_read(BIO *b, char *out, int outl);
 578 static int ebcdic_write(BIO *b, const char *in, int inl);
 579 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 580 static int ebcdic_gets(BIO *bp, char *buf, int size);
 581 static int ebcdic_puts(BIO *bp, const char *str);
 582
 583 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 584 static BIO_METHOD methods_ebcdic=
 585         {
 586         BIO_TYPE_EBCDIC_FILTER,
 587         "EBCDIC/ASCII filter",
 588         ebcdic_write,
 589         ebcdic_read,
 590         ebcdic_puts,
 591         ebcdic_gets,
 592         ebcdic_ctrl,
 593         ebcdic_new,
 594         ebcdic_free,
 595         };
 596
 597 typedef struct
 598 {
 599         size_t  alloced;
 600         char    buff[1];
 601 } EBCDIC_OUTBUFF;
 602
 603 BIO_METHOD *BIO_f_ebcdic_filter()
 604 {
 605         return(&methods_ebcdic);
 606 }
 607
 608 static int ebcdic_new(BIO *bi)
 609 {
 610         EBCDIC_OUTBUFF *wbuf;
 611
 612         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 613         wbuf->alloced = 1024;
 614         wbuf->buff[0] = '\0';
 615
 616         bi->ptr=(char *)wbuf;
 617         bi->init=1;
 618         bi->flags=0;
 619         return(1);
 620 }
 621
 622 static int ebcdic_free(BIO *a)
 623 {
 624         if (a == NULL) return(0);
 625         if (a->ptr != NULL)
 626                 OPENSSL_free(a->ptr);
 627         a->ptr=NULL;
 628         a->init=0;
 629         a->flags=0;
 630         return(1);
 631 }
 632
 633 static int ebcdic_read(BIO *b, char *out, int outl)
 634 {
 635         int ret=0;
 636
 637         if (out == NULL || outl == 0) return(0);
 638         if (b->next_bio == NULL) return(0);
 639
 640         ret=BIO_read(b->next_bio,out,outl);
 641         if (ret > 0)
 642                 ascii2ebcdic(out,out,ret);
 643         return(ret);
 644 }
 645
 646 static int ebcdic_write(BIO *b, const char *in, int inl)
 647 {
 648         EBCDIC_OUTBUFF *wbuf;
 649         int ret=0;
 650         int num;
 651         unsigned char n;
 652
 653         if ((in == NULL) || (inl <= 0)) return(0);
 654         if (b->next_bio == NULL) return(0);
 655
 656         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 657
 658         if (inl > (num = wbuf->alloced))
 659         {
 660                 num = num + num;  /* double the size */
 661                 if (num < inl)
 662                         num = inl;
 663                 OPENSSL_free(wbuf);
 664                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 665
 666                 wbuf->alloced = num;
 667                 wbuf->buff[0] = '\0';
 668
 669                 b->ptr=(char *)wbuf;
 670         }
 671
 672         ebcdic2ascii(wbuf->buff, in, inl);
 673
 674         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 675
 676         return(ret);
 677 }
 678
 679 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 680 {
 681         long ret;
 682
 683         if (b->next_bio == NULL) return(0);
 684         switch (cmd)
 685         {
 686         case BIO_CTRL_DUP:
 687                 ret=0L;
 688                 break;
 689         default:
 690                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 691                 break;
 692         }
 693         return(ret);
 694 }
 695
 696 static int ebcdic_gets(BIO *bp, char *buf, int size)
 697 {
 698         int i, ret=0;
 699         if (bp->next_bio == NULL) return(0);
 700 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 701         for (i=0; i<size-1; ++i)
 702         {
 703                 ret = ebcdic_read(bp,&buf[i],1);
 704                 if (ret <= 0)
 705                         break;
 706                 else if (buf[i] == '\n')
 707                 {
 708                         ++i;
 709                         break;
 710                 }
 711         }
 712         if (i < size)
 713                 buf[i] = '\0';
 714         return (ret < 0 && i == 0) ? ret : i;
 715 }
 716
 717 static int ebcdic_puts(BIO *bp, const char *str)
 718 {
 719         if (bp->next_bio == NULL) return(0);
 720         return ebcdic_write(bp, str, strlen(str));
 721 }
 722 #endif
 723
 724 #ifndef OPENSSL_NO_TLSEXT
 725
 726 /* This is a context that we pass to callbacks */
 727 typedef struct tlsextctx_st {
 728    char * servername;
 729    BIO * biodebug;
 730    int extension_error;
 731 } tlsextctx;
 732
 733
 734 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 735         {
 736         tlsextctx * p = (tlsextctx *) arg;
 737         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 738         if (servername && p->biodebug)
 739                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 740
 741         if (!p->servername)
 742                 return SSL_TLSEXT_ERR_NOACK;
 743
 744         if (servername)
 745                 {
 746                 if (strcmp(servername,p->servername))
 747                         return p->extension_error;
 748                 if (ctx2)
 749                         {
 750                         BIO_printf(p->biodebug,"Switching server context.\n");
 751                         SSL_set_SSL_CTX(s,ctx2);
 752                         }
 753                 }
 754         return SSL_TLSEXT_ERR_OK;
 755 }
 756
 757 /* Structure passed to cert status callback */
 758
 759 typedef struct tlsextstatusctx_st {
 760    /* Default responder to use */
 761    char *host, *path, *port;
 762    int use_ssl;
 763    int timeout;
 764    BIO *err;
 765    int verbose;
 766 } tlsextstatusctx;
 767
 768 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 769
 770 /* Certificate Status callback. This is called when a client includes a
 771  * certificate status request extension.
 772  *
 773  * This is a simplified version. It examines certificates each time and
 774  * makes one OCSP responder query for each request.
 775  *
 776  * A full version would store details such as the OCSP certificate IDs and
 777  * minimise the number of OCSP responses by caching them until they were
 778  * considered "expired".
 779  */
 780
 781 static int cert_status_cb(SSL *s, void *arg)
 782         {
 783         tlsextstatusctx *srctx = arg;
 784         BIO *err = srctx->err;
 785         char *host, *port, *path;
 786         int use_ssl;
 787         unsigned char *rspder = NULL;
 788         int rspderlen;
 789         STACK_OF(OPENSSL_STRING) *aia = NULL;
 790         X509 *x = NULL;
 791         X509_STORE_CTX inctx;
 792         X509_OBJECT obj;
 793         OCSP_REQUEST *req = NULL;
 794         OCSP_RESPONSE *resp = NULL;
 795         OCSP_CERTID *id = NULL;
 796         STACK_OF(X509_EXTENSION) *exts;
 797         int ret = SSL_TLSEXT_ERR_NOACK;
 798         int i;
 799 #if 0
 800 STACK_OF(OCSP_RESPID) *ids;
 801 SSL_get_tlsext_status_ids(s, &ids);
 802 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 803 #endif
 804         if (srctx->verbose)
 805                 BIO_puts(err, "cert_status: callback called\n");
 806         /* Build up OCSP query from server certificate */
 807         x = SSL_get_certificate(s);
 808         aia = X509_get1_ocsp(x);
 809         if (aia)
 810                 {
 811                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 812                         &host, &port, &path, &use_ssl))
 813                         {
 814                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 815                         goto err;
 816                         }
 817                 if (srctx->verbose)
 818                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 819                                         sk_OPENSSL_STRING_value(aia, 0));
 820                 }
 821         else
 822                 {
 823                 if (!srctx->host)
 824                         {
 825                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 826                         goto done;
 827                         }
 828                 host = srctx->host;
 829                 path = srctx->path;
 830                 port = srctx->port;
 831                 use_ssl = srctx->use_ssl;
 832                 }
 833
 834         if (!X509_STORE_CTX_init(&inctx,
 835                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 836                                 NULL, NULL))
 837                 goto err;
 838         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 839                                 X509_get_issuer_name(x),&obj) <= 0)
 840                 {
 841                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 842                 X509_STORE_CTX_cleanup(&inctx);
 843                 goto done;
 844                 }
 845         req = OCSP_REQUEST_new();
 846         if (!req)
 847                 goto err;
 848         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 849         X509_free(obj.data.x509);
 850         X509_STORE_CTX_cleanup(&inctx);
 851         if (!id)
 852                 goto err;
 853         if (!OCSP_request_add0_id(req, id))
 854                 goto err;
 855         id = NULL;
 856         /* Add any extensions to the request */
 857         SSL_get_tlsext_status_exts(s, &exts);
 858         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 859                 {
 860                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 861                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 862                         goto err;
 863                 }
 864         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 865                                         srctx->timeout);
 866         if (!resp)
 867                 {
 868                 BIO_puts(err, "cert_status: error querying responder\n");
 869                 goto done;
 870                 }
 871         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 872         if (rspderlen <= 0)
 873                 goto err;
 874         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 875         if (srctx->verbose)
 876                 {
 877                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 878                 OCSP_RESPONSE_print(err, resp, 2);
 879                 }
 880         ret = SSL_TLSEXT_ERR_OK;
 881         done:
 882         if (ret != SSL_TLSEXT_ERR_OK)
 883                 ERR_print_errors(err);
 884         if (aia)
 885                 {
 886                 OPENSSL_free(host);
 887                 OPENSSL_free(path);
 888                 OPENSSL_free(port);
 889                 X509_email_free(aia);
 890                 }
 891         if (id)
 892                 OCSP_CERTID_free(id);
 893         if (req)
 894                 OCSP_REQUEST_free(req);
 895         if (resp)
 896                 OCSP_RESPONSE_free(resp);
 897         return ret;
 898         err:
 899         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 900         goto done;
 901         }
 902
 903 # ifndef OPENSSL_NO_NEXTPROTONEG
 904 /* This is the context that we pass to next_proto_cb */
 905 typedef struct tlsextnextprotoctx_st {
 906         unsigned char *data;
 907         unsigned int len;
 908 } tlsextnextprotoctx;
 909
 910 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 911         {
 912         tlsextnextprotoctx *next_proto = arg;
 913
 914         *data = next_proto->data;
 915         *len = next_proto->len;
 916
 917         return SSL_TLSEXT_ERR_OK;
 918         }
 919 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 920
 921
 922 #endif
 923
 924 int MAIN(int, char **);
 925
 926 #ifndef OPENSSL_NO_JPAKE
 927 static char *jpake_secret = NULL;
 928 #define no_jpake !jpake_secret
 929 #else
 930 #define no_jpake 1
 931 #endif
 932 #ifndef OPENSSL_NO_SRP
 933         static srpsrvparm srp_callback_parm;
 934 #endif
 935 static char *srtp_profiles = NULL;
 936
 937 int MAIN(int argc, char *argv[])
 938         {
 939         X509_VERIFY_PARAM *vpm = NULL;
 940         int badarg = 0;
 941         short port=PORT;
 942         char *CApath=NULL,*CAfile=NULL;
 943         char *chCApath=NULL,*chCAfile=NULL;
 944         char *vfyCApath=NULL,*vfyCAfile=NULL;
 945         unsigned char *context = NULL;
 946         char *dhfile = NULL;
 947 #ifndef OPENSSL_NO_ECDH
 948         char *named_curve = NULL;
 949 #endif
 950         int badop=0;
 951         int ret=1;
 952         int build_chain = 0;
 953         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 954         int state=0;
 955         const SSL_METHOD *meth=NULL;
 956         int socket_type=SOCK_STREAM;
 957         ENGINE *e=NULL;
 958         char *inrand=NULL;
 959         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 960         char *passarg = NULL, *pass = NULL;
 961         char *dpassarg = NULL, *dpass = NULL;
 962         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 963         X509 *s_cert = NULL, *s_dcert = NULL;
 964         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 965         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 966         int no_cache = 0;
 967 #ifndef OPENSSL_NO_TLSEXT
 968         EVP_PKEY *s_key2 = NULL;
 969         X509 *s_cert2 = NULL;
 970         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 971 # ifndef OPENSSL_NO_NEXTPROTONEG
 972         const char *next_proto_neg_in = NULL;
 973         tlsextnextprotoctx next_proto;
 974 # endif
 975 #endif
 976 #ifndef OPENSSL_NO_PSK
 977         /* by default do not send a PSK identity hint */
 978         static char *psk_identity_hint=NULL;
 979 #endif
 980 #ifndef OPENSSL_NO_SRP
 981         char *srpuserseed = NULL;
 982         char *srp_verifier_file = NULL;
 983 #endif
 984         SSL_EXCERT *exc = NULL;
 985         SSL_CONF_CTX *cctx = NULL;
 986         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 987
 988         char *crl_file = NULL;
 989         int crl_format = FORMAT_PEM;
 990         int crl_download = 0;
 991         STACK_OF(X509_CRL) *crls = NULL;
 992
 993         meth=SSLv23_server_method();
 994
 995         local_argc=argc;
 996         local_argv=argv;
 997
 998         apps_startup();
 999 #ifdef MONOLITH
1000         s_server_init();
1001 #endif
1002
1003         if (bio_err == NULL)
1004                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1005
1006         if (!load_config(bio_err, NULL))
1007                 goto end;
1008
1009         cctx = SSL_CONF_CTX_new();
1010         if (!cctx)
1011                 goto end;
1012         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1013         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1014
1015         verify_depth=0;
1016 #ifdef FIONBIO
1017         s_nbio=0;
1018 #endif
1019         s_nbio_test=0;
1020
1021         argc--;
1022         argv++;
1023
1024         while (argc >= 1)
1025                 {
1026                 if      ((strcmp(*argv,"-port") == 0) ||
1027                          (strcmp(*argv,"-accept") == 0))
1028                         {
1029                         if (--argc < 1) goto bad;
1030                         if (!extract_port(*(++argv),&port))
1031                                 goto bad;
1032                         }
1033                 else if (strcmp(*argv,"-verify") == 0)
1034                         {
1035                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1036                         if (--argc < 1) goto bad;
1037                         verify_depth=atoi(*(++argv));
1038                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1039                         }
1040                 else if (strcmp(*argv,"-Verify") == 0)
1041                         {
1042                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1043                                 SSL_VERIFY_CLIENT_ONCE;
1044                         if (--argc < 1) goto bad;
1045                         verify_depth=atoi(*(++argv));
1046                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1047                         }
1048                 else if (strcmp(*argv,"-context") == 0)
1049                         {
1050                         if (--argc < 1) goto bad;
1051                         context= (unsigned char *)*(++argv);
1052                         }
1053                 else if (strcmp(*argv,"-cert") == 0)
1054                         {
1055                         if (--argc < 1) goto bad;
1056                         s_cert_file= *(++argv);
1057                         }
1058                 else if (strcmp(*argv,"-CRL") == 0)
1059                         {
1060                         if (--argc < 1) goto bad;
1061                         crl_file= *(++argv);
1062                         }
1063                 else if (strcmp(*argv,"-crl_download") == 0)
1064                         crl_download = 1;
1065 #ifndef OPENSSL_NO_TLSEXT
1066                 else if (strcmp(*argv,"-authz") == 0)
1067                         {
1068                         if (--argc < 1) goto bad;
1069                         s_authz_file = *(++argv);
1070                         }
1071 #endif
1072                 else if (strcmp(*argv,"-certform") == 0)
1073                         {
1074                         if (--argc < 1) goto bad;
1075                         s_cert_format = str2fmt(*(++argv));
1076                         }
1077                 else if (strcmp(*argv,"-key") == 0)
1078                         {
1079                         if (--argc < 1) goto bad;
1080                         s_key_file= *(++argv);
1081                         }
1082                 else if (strcmp(*argv,"-keyform") == 0)
1083                         {
1084                         if (--argc < 1) goto bad;
1085                         s_key_format = str2fmt(*(++argv));
1086                         }
1087                 else if (strcmp(*argv,"-pass") == 0)
1088                         {
1089                         if (--argc < 1) goto bad;
1090                         passarg = *(++argv);
1091                         }
1092                 else if (strcmp(*argv,"-cert_chain") == 0)
1093                         {
1094                         if (--argc < 1) goto bad;
1095                         s_chain_file= *(++argv);
1096                         }
1097                 else if (strcmp(*argv,"-dhparam") == 0)
1098                         {
1099                         if (--argc < 1) goto bad;
1100                         dhfile = *(++argv);
1101                         }
1102 #ifndef OPENSSL_NO_ECDH
1103                 else if (strcmp(*argv,"-named_curve") == 0)
1104                         {
1105                         if (--argc < 1) goto bad;
1106                         named_curve = *(++argv);
1107                         }
1108 #endif
1109                 else if (strcmp(*argv,"-dcertform") == 0)
1110                         {
1111                         if (--argc < 1) goto bad;
1112                         s_dcert_format = str2fmt(*(++argv));
1113                         }
1114                 else if (strcmp(*argv,"-dcert") == 0)
1115                         {
1116                         if (--argc < 1) goto bad;
1117                         s_dcert_file= *(++argv);
1118                         }
1119                 else if (strcmp(*argv,"-dkeyform") == 0)
1120                         {
1121                         if (--argc < 1) goto bad;
1122                         s_dkey_format = str2fmt(*(++argv));
1123                         }
1124                 else if (strcmp(*argv,"-dpass") == 0)
1125                         {
1126                         if (--argc < 1) goto bad;
1127                         dpassarg = *(++argv);
1128                         }
1129                 else if (strcmp(*argv,"-dkey") == 0)
1130                         {
1131                         if (--argc < 1) goto bad;
1132                         s_dkey_file= *(++argv);
1133                         }
1134                 else if (strcmp(*argv,"-dcert_chain") == 0)
1135                         {
1136                         if (--argc < 1) goto bad;
1137                         s_dchain_file= *(++argv);
1138                         }
1139                 else if (strcmp(*argv,"-nocert") == 0)
1140                         {
1141                         nocert=1;
1142                         }
1143                 else if (strcmp(*argv,"-CApath") == 0)
1144                         {
1145                         if (--argc < 1) goto bad;
1146                         CApath= *(++argv);
1147                         }
1148                 else if (strcmp(*argv,"-chainCApath") == 0)
1149                         {
1150                         if (--argc < 1) goto bad;
1151                         chCApath= *(++argv);
1152                         }
1153                 else if (strcmp(*argv,"-verifyCApath") == 0)
1154                         {
1155                         if (--argc < 1) goto bad;
1156                         vfyCApath= *(++argv);
1157                         }
1158                 else if (strcmp(*argv,"-no_cache") == 0)
1159                         no_cache = 1;
1160                 else if (strcmp(*argv,"-CRLform") == 0)
1161                         {
1162                         if (--argc < 1) goto bad;
1163                         crl_format = str2fmt(*(++argv));
1164                         }
1165                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1166                         {
1167                         if (badarg)
1168                                 goto bad;
1169                         continue;
1170                         }
1171                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1172                         {
1173                         if (badarg)
1174                                 goto bad;
1175                         continue;
1176                         }
1177                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1178                         {
1179                         if (badarg)
1180                                 goto bad;
1181                         continue;
1182                         }
1183                 else if (strcmp(*argv,"-verify_return_error") == 0)
1184                         verify_return_error = 1;
1185                 else if (strcmp(*argv,"-build_chain") == 0)
1186                         build_chain = 1;
1187                 else if (strcmp(*argv,"-CAfile") == 0)
1188                         {
1189                         if (--argc < 1) goto bad;
1190                         CAfile= *(++argv);
1191                         }
1192                 else if (strcmp(*argv,"-chainCAfile") == 0)
1193                         {
1194                         if (--argc < 1) goto bad;
1195                         chCAfile= *(++argv);
1196                         }
1197                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1198                         {
1199                         if (--argc < 1) goto bad;
1200                         vfyCAfile= *(++argv);
1201                         }
1202 #ifdef FIONBIO
1203                 else if (strcmp(*argv,"-nbio") == 0)
1204                         { s_nbio=1; }
1205 #endif
1206                 else if (strcmp(*argv,"-nbio_test") == 0)
1207                         {
1208 #ifdef FIONBIO
1209                         s_nbio=1;
1210 #endif
1211                         s_nbio_test=1;
1212                         }
1213                 else if (strcmp(*argv,"-debug") == 0)
1214                         { s_debug=1; }
1215 #ifndef OPENSSL_NO_TLSEXT
1216                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1217                         s_tlsextdebug=1;
1218                 else if (strcmp(*argv,"-status") == 0)
1219                         s_tlsextstatus=1;
1220                 else if (strcmp(*argv,"-status_verbose") == 0)
1221                         {
1222                         s_tlsextstatus=1;
1223                         tlscstatp.verbose = 1;
1224                         }
1225                 else if (!strcmp(*argv, "-status_timeout"))
1226                         {
1227                         s_tlsextstatus=1;
1228                         if (--argc < 1) goto bad;
1229                         tlscstatp.timeout = atoi(*(++argv));
1230                         }
1231                 else if (!strcmp(*argv, "-status_url"))
1232                         {
1233                         s_tlsextstatus=1;
1234                         if (--argc < 1) goto bad;
1235                         if (!OCSP_parse_url(*(++argv),
1236                                         &tlscstatp.host,
1237                                         &tlscstatp.port,
1238                                         &tlscstatp.path,
1239                                         &tlscstatp.use_ssl))
1240                                 {
1241                                 BIO_printf(bio_err, "Error parsing URL\n");
1242                                 goto bad;
1243                                 }
1244                         }
1245 #endif
1246                 else if (strcmp(*argv,"-msg") == 0)
1247                         { s_msg=1; }
1248                 else if (strcmp(*argv,"-msgfile") == 0)
1249                         {
1250                         if (--argc < 1) goto bad;
1251                         bio_s_msg = BIO_new_file(*(++argv), "w");
1252                         }
1253 #ifndef OPENSSL_NO_SSL_TRACE
1254                 else if (strcmp(*argv,"-trace") == 0)
1255                         { s_msg=2; }
1256 #endif
1257                 else if (strcmp(*argv,"-hack") == 0)
1258                         { hack=1; }
1259                 else if (strcmp(*argv,"-state") == 0)
1260                         { state=1; }
1261                 else if (strcmp(*argv,"-crlf") == 0)
1262                         { s_crlf=1; }
1263                 else if (strcmp(*argv,"-quiet") == 0)
1264                         { s_quiet=1; }
1265                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1266                         { no_tmp_rsa=1; }
1267                 else if (strcmp(*argv,"-no_dhe") == 0)
1268                         { no_dhe=1; }
1269                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1270                         { no_ecdhe=1; }
1271 #ifndef OPENSSL_NO_PSK
1272                 else if (strcmp(*argv,"-psk_hint") == 0)
1273                         {
1274                         if (--argc < 1) goto bad;
1275                         psk_identity_hint= *(++argv);
1276                         }
1277                 else if (strcmp(*argv,"-psk") == 0)
1278                         {
1279                         size_t i;
1280
1281                         if (--argc < 1) goto bad;
1282                         psk_key=*(++argv);
1283                         for (i=0; i<strlen(psk_key); i++)
1284                                 {
1285                                 if (isxdigit((unsigned char)psk_key[i]))
1286                                         continue;
1287                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1288                                 goto bad;
1289                                 }
1290                         }
1291 #endif
1292 #ifndef OPENSSL_NO_SRP
1293                 else if (strcmp(*argv, "-srpvfile") == 0)
1294                         {
1295                         if (--argc < 1) goto bad;
1296                         srp_verifier_file = *(++argv);
1297                         meth = TLSv1_server_method();
1298                         }
1299                 else if (strcmp(*argv, "-srpuserseed") == 0)
1300                         {
1301                         if (--argc < 1) goto bad;
1302                         srpuserseed = *(++argv);
1303                         meth = TLSv1_server_method();
1304                         }
1305 #endif
1306                 else if (strcmp(*argv,"-www") == 0)
1307                         { www=1; }
1308                 else if (strcmp(*argv,"-WWW") == 0)
1309                         { www=2; }
1310                 else if (strcmp(*argv,"-HTTP") == 0)
1311                         { www=3; }
1312 #ifndef OPENSSL_NO_SSL2
1313                 else if (strcmp(*argv,"-ssl2") == 0)
1314                         { meth=SSLv2_server_method(); }
1315 #endif
1316 #ifndef OPENSSL_NO_SSL3
1317                 else if (strcmp(*argv,"-ssl3") == 0)
1318                         { meth=SSLv3_server_method(); }
1319 #endif
1320 #ifndef OPENSSL_NO_TLS1
1321                 else if (strcmp(*argv,"-tls1") == 0)
1322                         { meth=TLSv1_server_method(); }
1323                 else if (strcmp(*argv,"-tls1_1") == 0)
1324                         { meth=TLSv1_1_server_method(); }
1325                 else if (strcmp(*argv,"-tls1_2") == 0)
1326                         { meth=TLSv1_2_server_method(); }
1327 #endif
1328 #ifndef OPENSSL_NO_DTLS1
1329                 else if (strcmp(*argv,"-dtls1") == 0)
1330                         {
1331                         meth=DTLSv1_server_method();
1332                         socket_type = SOCK_DGRAM;
1333                         }
1334                 else if (strcmp(*argv,"-timeout") == 0)
1335                         enable_timeouts = 1;
1336                 else if (strcmp(*argv,"-mtu") == 0)
1337                         {
1338                         if (--argc < 1) goto bad;
1339                         socket_mtu = atol(*(++argv));
1340                         }
1341                 else if (strcmp(*argv, "-chain") == 0)
1342                         cert_chain = 1;
1343 #endif
1344                 else if (strcmp(*argv, "-id_prefix") == 0)
1345                         {
1346                         if (--argc < 1) goto bad;
1347                         session_id_prefix = *(++argv);
1348                         }
1349 #ifndef OPENSSL_NO_ENGINE
1350                 else if (strcmp(*argv,"-engine") == 0)
1351                         {
1352                         if (--argc < 1) goto bad;
1353                         engine_id= *(++argv);
1354                         }
1355 #endif
1356                 else if (strcmp(*argv,"-rand") == 0)
1357                         {
1358                         if (--argc < 1) goto bad;
1359                         inrand= *(++argv);
1360                         }
1361 #ifndef OPENSSL_NO_TLSEXT
1362                 else if (strcmp(*argv,"-servername") == 0)
1363                         {
1364                         if (--argc < 1) goto bad;
1365                         tlsextcbp.servername= *(++argv);
1366                         }
1367                 else if (strcmp(*argv,"-servername_fatal") == 0)
1368                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1369                 else if (strcmp(*argv,"-cert2") == 0)
1370                         {
1371                         if (--argc < 1) goto bad;
1372                         s_cert_file2= *(++argv);
1373                         }
1374                 else if (strcmp(*argv,"-key2") == 0)
1375                         {
1376                         if (--argc < 1) goto bad;
1377                         s_key_file2= *(++argv);
1378                         }
1379 # ifndef OPENSSL_NO_NEXTPROTONEG
1380                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1381                         {
1382                         if (--argc < 1) goto bad;
1383                         next_proto_neg_in = *(++argv);
1384                         }
1385 # endif
1386 #endif
1387 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1388                 else if (strcmp(*argv,"-jpake") == 0)
1389                         {
1390                         if (--argc < 1) goto bad;
1391                         jpake_secret = *(++argv);
1392                         }
1393 #endif
1394                 else if (strcmp(*argv,"-use_srtp") == 0)
1395                         {
1396                         if (--argc < 1) goto bad;
1397                         srtp_profiles = *(++argv);
1398                         }
1399                 else if (strcmp(*argv,"-keymatexport") == 0)
1400                         {
1401                         if (--argc < 1) goto bad;
1402                         keymatexportlabel= *(++argv);
1403                         }
1404                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1405                         {
1406                         if (--argc < 1) goto bad;
1407                         keymatexportlen=atoi(*(++argv));
1408                         if (keymatexportlen == 0) goto bad;
1409                         }
1410                 else
1411                         {
1412                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1413                         badop=1;
1414                         break;
1415                         }
1416                 argc--;
1417                 argv++;
1418                 }
1419         if (badop)
1420                 {
1421 bad:
1422                 sv_usage();
1423                 goto end;
1424                 }
1425
1426 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1427         if (jpake_secret)
1428                 {
1429                 if (psk_key)
1430                         {
1431                         BIO_printf(bio_err,
1432                                    "Can't use JPAKE and PSK together\n");
1433                         goto end;
1434                         }
1435                 psk_identity = "JPAKE";
1436                 }
1437 #endif
1438
1439         SSL_load_error_strings();
1440         OpenSSL_add_ssl_algorithms();
1441
1442 #ifndef OPENSSL_NO_ENGINE
1443         e = setup_engine(bio_err, engine_id, 1);
1444 #endif
1445
1446         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1447                 {
1448                 BIO_printf(bio_err, "Error getting password\n");
1449                 goto end;
1450                 }
1451
1452
1453         if (s_key_file == NULL)
1454                 s_key_file = s_cert_file;
1455 #ifndef OPENSSL_NO_TLSEXT
1456         if (s_key_file2 == NULL)
1457                 s_key_file2 = s_cert_file2;
1458 #endif
1459
1460         if (!load_excert(&exc, bio_err))
1461                 goto end;
1462
1463         if (nocert == 0)
1464                 {
1465                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1466                        "server certificate private key file");
1467                 if (!s_key)
1468                         {
1469                         ERR_print_errors(bio_err);
1470                         goto end;
1471                         }
1472
1473                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1474                         NULL, e, "server certificate file");
1475
1476                 if (!s_cert)
1477                         {
1478                         ERR_print_errors(bio_err);
1479                         goto end;
1480                         }
1481                 if (s_chain_file)
1482                         {
1483                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1484                                         NULL, e, "server certificate chain");
1485                         if (!s_chain)
1486                                 goto end;
1487                         }
1488
1489 #ifndef OPENSSL_NO_TLSEXT
1490                 if (tlsextcbp.servername)
1491                         {
1492                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1493                                 "second server certificate private key file");
1494                         if (!s_key2)
1495                                 {
1496                                 ERR_print_errors(bio_err);
1497                                 goto end;
1498                                 }
1499
1500                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1501                                 NULL, e, "second server certificate file");
1502
1503                         if (!s_cert2)
1504                                 {
1505                                 ERR_print_errors(bio_err);
1506                                 goto end;
1507                                 }
1508                         }
1509 #endif /* OPENSSL_NO_TLSEXT */
1510                 }
1511
1512 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1513         if (next_proto_neg_in)
1514                 {
1515                 unsigned short len;
1516                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1517                 if (next_proto.data == NULL)
1518                         goto end;
1519                 next_proto.len = len;
1520                 }
1521         else
1522                 {
1523                 next_proto.data = NULL;
1524                 }
1525 #endif
1526
1527         if (crl_file)
1528                 {
1529                 X509_CRL *crl;
1530                 crl = load_crl(crl_file, crl_format);
1531                 if (!crl)
1532                         {
1533                         BIO_puts(bio_err, "Error loading CRL\n");
1534                         ERR_print_errors(bio_err);
1535                         goto end;
1536                         }
1537                 crls = sk_X509_CRL_new_null();
1538                 if (!crls || !sk_X509_CRL_push(crls, crl))
1539                         {
1540                         BIO_puts(bio_err, "Error adding CRL\n");
1541                         ERR_print_errors(bio_err);
1542                         X509_CRL_free(crl);
1543                         goto end;
1544                         }
1545                 }
1546
1547
1548         if (s_dcert_file)
1549                 {
1550
1551                 if (s_dkey_file == NULL)
1552                         s_dkey_file = s_dcert_file;
1553
1554                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1555                                 0, dpass, e,
1556                                "second certificate private key file");
1557                 if (!s_dkey)
1558                         {
1559                         ERR_print_errors(bio_err);
1560                         goto end;
1561                         }
1562
1563                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1564                                 NULL, e, "second server certificate file");
1565
1566                 if (!s_dcert)
1567                         {
1568                         ERR_print_errors(bio_err);
1569                         goto end;
1570                         }
1571                 if (s_dchain_file)
1572                         {
1573                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1574                                 NULL, e, "second server certificate chain");
1575                         if (!s_dchain)
1576                                 goto end;
1577                         }
1578
1579                 }
1580
1581         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1582                 && !RAND_status())
1583                 {
1584                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1585                 }
1586         if (inrand != NULL)
1587                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1588                         app_RAND_load_files(inrand));
1589
1590         if (bio_s_out == NULL)
1591                 {
1592                 if (s_quiet && !s_debug && !s_msg)
1593                         {
1594                         bio_s_out=BIO_new(BIO_s_null());
1595                         if (s_msg && !bio_s_msg)
1596                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1597                         }
1598                 else
1599                         {
1600                         if (bio_s_out == NULL)
1601                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1602                         }
1603                 }
1604
1605 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1606         if (nocert)
1607 #endif
1608                 {
1609                 s_cert_file=NULL;
1610                 s_key_file=NULL;
1611                 s_dcert_file=NULL;
1612                 s_dkey_file=NULL;
1613 #ifndef OPENSSL_NO_TLSEXT
1614                 s_cert_file2=NULL;
1615                 s_key_file2=NULL;
1616 #endif
1617                 }
1618
1619         ctx=SSL_CTX_new(meth);
1620         if (ctx == NULL)
1621                 {
1622                 ERR_print_errors(bio_err);
1623                 goto end;
1624                 }
1625         if (session_id_prefix)
1626                 {
1627                 if(strlen(session_id_prefix) >= 32)
1628                         BIO_printf(bio_err,
1629 "warning: id_prefix is too long, only one new session will be possible\n");
1630                 else if(strlen(session_id_prefix) >= 16)
1631                         BIO_printf(bio_err,
1632 "warning: id_prefix is too long if you use SSLv2\n");
1633                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1634                         {
1635                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1636                         ERR_print_errors(bio_err);
1637                         goto end;
1638                         }
1639                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1640                 }
1641         SSL_CTX_set_quiet_shutdown(ctx,1);
1642         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1643         if (exc) ssl_ctx_set_excert(ctx, exc);
1644         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1645          * Setting read ahead solves this problem.
1646          */
1647         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1648
1649         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1650         if (no_cache)
1651                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1652         else
1653                 SSL_CTX_sess_set_cache_size(ctx,128);
1654
1655         if (srtp_profiles != NULL)
1656                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1657
1658 #if 0
1659         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1660 #endif
1661
1662 #if 0
1663         if (s_cert_file == NULL)
1664                 {
1665                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1666                 goto end;
1667                 }
1668 #endif
1669
1670         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1671                 (!SSL_CTX_set_default_verify_paths(ctx)))
1672                 {
1673                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1674                 ERR_print_errors(bio_err);
1675                 /* goto end; */
1676                 }
1677         if (vpm)
1678                 SSL_CTX_set1_param(ctx, vpm);
1679
1680         ssl_ctx_add_crls(ctx, crls, 0);
1681
1682         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1683                 goto end;
1684
1685         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1686                                                 crls, crl_download))
1687                 {
1688                 BIO_printf(bio_err, "Error loading store locations\n");
1689                 ERR_print_errors(bio_err);
1690                 goto end;
1691                 }
1692
1693 #ifndef OPENSSL_NO_TLSEXT
1694         if (s_cert2)
1695                 {
1696                 ctx2=SSL_CTX_new(meth);
1697                 if (ctx2 == NULL)
1698                         {
1699                         ERR_print_errors(bio_err);
1700                         goto end;
1701                         }
1702                 }
1703
1704         if (ctx2)
1705                 {
1706                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1707
1708                 if (session_id_prefix)
1709                         {
1710                         if(strlen(session_id_prefix) >= 32)
1711                                 BIO_printf(bio_err,
1712                                         "warning: id_prefix is too long, only one new session will be possible\n");
1713                         else if(strlen(session_id_prefix) >= 16)
1714                                 BIO_printf(bio_err,
1715                                         "warning: id_prefix is too long if you use SSLv2\n");
1716                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1717                                 {
1718                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1719                                 ERR_print_errors(bio_err);
1720                                 goto end;
1721                                 }
1722                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1723                         }
1724                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1725                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1726                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1727                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1728                  * Setting read ahead solves this problem.
1729                  */
1730                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1731
1732                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1733
1734                 if (no_cache)
1735                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1736                 else
1737                         SSL_CTX_sess_set_cache_size(ctx2,128);
1738
1739                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1740                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1741                         {
1742                         ERR_print_errors(bio_err);
1743                         }
1744                 if (vpm)
1745                         SSL_CTX_set1_param(ctx2, vpm);
1746
1747                 ssl_ctx_add_crls(ctx2, crls, 0);
1748
1749                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1750                         goto end;
1751
1752                 }
1753
1754 # ifndef OPENSSL_NO_NEXTPROTONEG
1755         if (next_proto.data)
1756                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1757 # endif
1758 #endif
1759
1760 #ifndef OPENSSL_NO_DH
1761         if (!no_dhe)
1762                 {
1763                 DH *dh=NULL;
1764
1765                 if (dhfile)
1766                         dh = load_dh_param(dhfile);
1767                 else if (s_cert_file)
1768                         dh = load_dh_param(s_cert_file);
1769
1770                 if (dh != NULL)
1771                         {
1772                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1773                         }
1774                 else
1775                         {
1776                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1777                         dh=get_dh512();
1778                         }
1779                 (void)BIO_flush(bio_s_out);
1780
1781                 SSL_CTX_set_tmp_dh(ctx,dh);
1782 #ifndef OPENSSL_NO_TLSEXT
1783                 if (ctx2)
1784                         {
1785                         if (!dhfile)
1786                                 {
1787                                 DH *dh2=load_dh_param(s_cert_file2);
1788                                 if (dh2 != NULL)
1789                                         {
1790                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1791                                         (void)BIO_flush(bio_s_out);
1792
1793                                         DH_free(dh);
1794                                         dh = dh2;
1795                                         }
1796                                 }
1797                         SSL_CTX_set_tmp_dh(ctx2,dh);
1798                         }
1799 #endif
1800                 DH_free(dh);
1801                 }
1802 #endif
1803
1804 #ifndef OPENSSL_NO_ECDH
1805         if (!no_ecdhe)
1806                 {
1807                 EC_KEY *ecdh=NULL;
1808
1809                 if (named_curve && strcmp(named_curve, "auto"))
1810                         {
1811                         int nid = EC_curve_nist2nid(named_curve);
1812                         if (nid == NID_undef)
1813                                 nid = OBJ_sn2nid(named_curve);
1814                         if (nid == 0)
1815                                 {
1816                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1817                                         named_curve);
1818                                 goto end;
1819                                 }
1820                         ecdh = EC_KEY_new_by_curve_name(nid);
1821                         if (ecdh == NULL)
1822                                 {
1823                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1824                                         named_curve);
1825                                 goto end;
1826                                 }
1827                         }
1828
1829                 if (ecdh != NULL)
1830                         {
1831                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1832                         }
1833                 else if (named_curve)
1834                         SSL_CTX_set_ecdh_auto(ctx, 1);
1835                 else
1836                         {
1837                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1838                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1839                         if (ecdh == NULL)
1840                                 {
1841                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1842                                 goto end;
1843                                 }
1844                         }
1845                 (void)BIO_flush(bio_s_out);
1846
1847                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1848 #ifndef OPENSSL_NO_TLSEXT
1849                 if (ctx2)
1850                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1851 #endif
1852                 EC_KEY_free(ecdh);
1853                 }
1854 #endif
1855
1856         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1857                 goto end;
1858 #ifndef OPENSSL_NO_TLSEXT
1859         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1860                 goto end;
1861 #endif
1862 #ifndef OPENSSL_NO_TLSEXT
1863         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1864                 goto end;
1865 #endif
1866         if (s_dcert != NULL)
1867                 {
1868                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1869                         goto end;
1870                 }
1871
1872 #ifndef OPENSSL_NO_RSA
1873 #if 1
1874         if (!no_tmp_rsa)
1875                 {
1876                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1877 #ifndef OPENSSL_NO_TLSEXT
1878                 if (ctx2)
1879                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1880 #endif
1881                 }
1882 #else
1883         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1884                 {
1885                 RSA *rsa;
1886
1887                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1888                 BIO_flush(bio_s_out);
1889
1890                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1891
1892                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1893                         {
1894                         ERR_print_errors(bio_err);
1895                         goto end;
1896                         }
1897 #ifndef OPENSSL_NO_TLSEXT
1898                         if (ctx2)
1899                                 {
1900                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1901                                         {
1902                                         ERR_print_errors(bio_err);
1903                                         goto end;
1904                                         }
1905                                 }
1906 #endif
1907                 RSA_free(rsa);
1908                 BIO_printf(bio_s_out,"\n");
1909                 }
1910 #endif
1911 #endif
1912
1913 #ifndef OPENSSL_NO_PSK
1914 #ifdef OPENSSL_NO_JPAKE
1915         if (psk_key != NULL)
1916 #else
1917         if (psk_key != NULL || jpake_secret)
1918 #endif
1919                 {
1920                 if (s_debug)
1921                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1922                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1923                 }
1924
1925         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1926                 {
1927                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1928                 ERR_print_errors(bio_err);
1929                 goto end;
1930                 }
1931 #endif
1932
1933         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1934         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1935                 sizeof s_server_session_id_context);
1936
1937         /* Set DTLS cookie generation and verification callbacks */
1938         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1939         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1940
1941 #ifndef OPENSSL_NO_TLSEXT
1942         if (ctx2)
1943                 {
1944                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1945                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1946                         sizeof s_server_session_id_context);
1947
1948                 tlsextcbp.biodebug = bio_s_out;
1949                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1950                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1951                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1952                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1953                 }
1954 #endif
1955
1956 #ifndef OPENSSL_NO_SRP
1957         if (srp_verifier_file != NULL)
1958                 {
1959                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1960                 srp_callback_parm.user = NULL;
1961                 srp_callback_parm.login = NULL;
1962                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1963                         {
1964                         BIO_printf(bio_err,
1965                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1966                                    srp_verifier_file, ret);
1967                                 goto end;
1968                         }
1969                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1970                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1971                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1972                 }
1973         else
1974 #endif
1975         if (CAfile != NULL)
1976                 {
1977                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1978 #ifndef OPENSSL_NO_TLSEXT
1979                 if (ctx2)
1980                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1981 #endif
1982                 }
1983
1984         BIO_printf(bio_s_out,"ACCEPT\n");
1985         (void)BIO_flush(bio_s_out);
1986         if (www)
1987                 do_server(port,socket_type,&accept_socket,www_body, context);
1988         else
1989                 do_server(port,socket_type,&accept_socket,sv_body, context);
1990         print_stats(bio_s_out,ctx);
1991         ret=0;
1992 end:
1993         if (ctx != NULL) SSL_CTX_free(ctx);
1994         if (s_cert)
1995                 X509_free(s_cert);
1996         if (crls)
1997                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1998         if (s_dcert)
1999                 X509_free(s_dcert);
2000         if (s_key)
2001                 EVP_PKEY_free(s_key);
2002         if (s_dkey)
2003                 EVP_PKEY_free(s_dkey);
2004         if (s_chain)
2005                 sk_X509_pop_free(s_chain, X509_free);
2006         if (s_dchain)
2007                 sk_X509_pop_free(s_dchain, X509_free);
2008         if (pass)
2009                 OPENSSL_free(pass);
2010         if (dpass)
2011                 OPENSSL_free(dpass);
2012         if (vpm)
2013                 X509_VERIFY_PARAM_free(vpm);
2014 #ifndef OPENSSL_NO_TLSEXT
2015         if (tlscstatp.host)
2016                 OPENSSL_free(tlscstatp.host);
2017         if (tlscstatp.port)
2018                 OPENSSL_free(tlscstatp.port);
2019         if (tlscstatp.path)
2020                 OPENSSL_free(tlscstatp.path);
2021         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2022         if (s_cert2)
2023                 X509_free(s_cert2);
2024         if (s_key2)
2025                 EVP_PKEY_free(s_key2);
2026         if (authz_in != NULL)
2027                 BIO_free(authz_in);
2028 #endif
2029         ssl_excert_free(exc);
2030         if (ssl_args)
2031                 sk_OPENSSL_STRING_free(ssl_args);
2032         if (cctx)
2033                 SSL_CONF_CTX_free(cctx);
2034 #ifndef OPENSSL_NO_JPAKE
2035         if (jpake_secret && psk_key)
2036                 OPENSSL_free(psk_key);
2037 #endif
2038         if (bio_s_out != NULL)
2039                 {
2040                 BIO_free(bio_s_out);
2041                 bio_s_out=NULL;
2042                 }
2043         if (bio_s_msg != NULL)
2044                 {
2045                 BIO_free(bio_s_msg);
2046                 bio_s_msg = NULL;
2047                 }
2048         apps_shutdown();
2049         OPENSSL_EXIT(ret);
2050         }
2051
2052 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2053         {
2054         BIO_printf(bio,"%4ld items in the session cache\n",
2055                 SSL_CTX_sess_number(ssl_ctx));
2056         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2057                 SSL_CTX_sess_connect(ssl_ctx));
2058         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2059                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2060         BIO_printf(bio,"%4ld client connects that finished\n",
2061                 SSL_CTX_sess_connect_good(ssl_ctx));
2062         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2063                 SSL_CTX_sess_accept(ssl_ctx));
2064         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2065                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2066         BIO_printf(bio,"%4ld server accepts that finished\n",
2067                 SSL_CTX_sess_accept_good(ssl_ctx));
2068         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2069         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2070         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2071         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2072         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2073                 SSL_CTX_sess_cache_full(ssl_ctx),
2074                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2075         }
2076
2077 static int sv_body(char *hostname, int s, unsigned char *context)
2078         {
2079         char *buf=NULL;
2080         fd_set readfds;
2081         int ret=1,width;
2082         int k,i;
2083         unsigned long l;
2084         SSL *con=NULL;
2085         BIO *sbio;
2086 #ifndef OPENSSL_NO_KRB5
2087         KSSL_CTX *kctx;
2088 #endif
2089         struct timeval timeout;
2090 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2091         struct timeval tv;
2092 #else
2093         struct timeval *timeoutp;
2094 #endif
2095
2096         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2097                 {
2098                 BIO_printf(bio_err,"out of memory\n");
2099                 goto err;
2100                 }
2101 #ifdef FIONBIO
2102         if (s_nbio)
2103                 {
2104                 unsigned long sl=1;
2105
2106                 if (!s_quiet)
2107                         BIO_printf(bio_err,"turning on non blocking io\n");
2108                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2109                         ERR_print_errors(bio_err);
2110                 }
2111 #endif
2112
2113         if (con == NULL) {
2114                 con=SSL_new(ctx);
2115 #ifndef OPENSSL_NO_TLSEXT
2116         if (s_tlsextdebug)
2117                 {
2118                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2119                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2120                 }
2121         if (s_tlsextstatus)
2122                 {
2123                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2124                 tlscstatp.err = bio_err;
2125                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2126                 }
2127 #endif
2128 #ifndef OPENSSL_NO_KRB5
2129                 if ((kctx = kssl_ctx_new()) != NULL)
2130                         {
2131                         SSL_set0_kssl_ctx(con, kctx);
2132                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2133                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2134                         }
2135 #endif  /* OPENSSL_NO_KRB5 */
2136                 if(context)
2137                       SSL_set_session_id_context(con, context,
2138                                                  strlen((char *)context));
2139         }
2140         SSL_clear(con);
2141 #if 0
2142 #ifdef TLSEXT_TYPE_opaque_prf_input
2143         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2144 #endif
2145 #endif
2146
2147         if (SSL_version(con) == DTLS1_VERSION)
2148                 {
2149
2150                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2151
2152                 if (enable_timeouts)
2153                         {
2154                         timeout.tv_sec = 0;
2155                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2156                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2157
2158                         timeout.tv_sec = 0;
2159                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2160                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2161                         }
2162
2163                 if (socket_mtu > 28)
2164                         {
2165                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2166                         SSL_set_mtu(con, socket_mtu - 28);
2167                         }
2168                 else
2169                         /* want to do MTU discovery */
2170                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2171
2172         /* turn on cookie exchange */
2173         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2174                 }
2175         else
2176                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2177
2178         if (s_nbio_test)
2179                 {
2180                 BIO *test;
2181
2182                 test=BIO_new(BIO_f_nbio_test());
2183                 sbio=BIO_push(test,sbio);
2184                 }
2185 #ifndef OPENSSL_NO_JPAKE
2186         if(jpake_secret)
2187                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2188 #endif
2189
2190         SSL_set_bio(con,sbio,sbio);
2191         SSL_set_accept_state(con);
2192         /* SSL_set_fd(con,s); */
2193
2194         if (s_debug)
2195                 {
2196                 SSL_set_debug(con, 1);
2197                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2198                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2199                 }
2200         if (s_msg)
2201                 {
2202 #ifndef OPENSSL_NO_SSL_TRACE
2203                 if (s_msg == 2)
2204                         SSL_set_msg_callback(con, SSL_trace);
2205                 else
2206 #endif
2207                         SSL_set_msg_callback(con, msg_cb);
2208                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2209                 }
2210 #ifndef OPENSSL_NO_TLSEXT
2211         if (s_tlsextdebug)
2212                 {
2213                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2214                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2215                 }
2216 #endif
2217
2218         width=s+1;
2219         for (;;)
2220                 {
2221                 int read_from_terminal;
2222                 int read_from_sslcon;
2223
2224                 read_from_terminal = 0;
2225                 read_from_sslcon = SSL_pending(con);
2226
2227                 if (!read_from_sslcon)
2228                         {
2229                         FD_ZERO(&readfds);
2230 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2231                         openssl_fdset(fileno(stdin),&readfds);
2232 #endif
2233                         openssl_fdset(s,&readfds);
2234                         /* Note: under VMS with SOCKETSHR the second parameter is
2235                          * currently of type (int *) whereas under other systems
2236                          * it is (void *) if you don't have a cast it will choke
2237                          * the compiler: if you do have a cast then you can either
2238                          * go for (int *) or (void *).
2239                          */
2240 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2241                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2242                          * on sockets. As a workaround we timeout the select every
2243                          * second and check for any keypress. In a proper Windows
2244                          * application we wouldn't do this because it is inefficient.
2245                          */
2246                         tv.tv_sec = 1;
2247                         tv.tv_usec = 0;
2248                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2249                         if((i < 0) || (!i && !_kbhit() ) )continue;
2250                         if(_kbhit())
2251                                 read_from_terminal = 1;
2252 #elif defined(OPENSSL_SYS_BEOS_R5)
2253                         /* Under BeOS-R5 the situation is similar to DOS */
2254                         tv.tv_sec = 1;
2255                         tv.tv_usec = 0;
2256                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2257                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2258                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2259                                 continue;
2260                         if (read(fileno(stdin), buf, 0) >= 0)
2261                                 read_from_terminal = 1;
2262                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2263 #else
2264                         if ((SSL_version(con) == DTLS1_VERSION) &&
2265                                 DTLSv1_get_timeout(con, &timeout))
2266                                 timeoutp = &timeout;
2267                         else
2268                                 timeoutp = NULL;
2269
2270                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2271
2272                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2273                                 {
2274                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2275                                 }
2276
2277                         if (i <= 0) continue;
2278                         if (FD_ISSET(fileno(stdin),&readfds))
2279                                 read_from_terminal = 1;
2280 #endif
2281                         if (FD_ISSET(s,&readfds))
2282                                 read_from_sslcon = 1;
2283                         }
2284                 if (read_from_terminal)
2285                         {
2286                         if (s_crlf)
2287                                 {
2288                                 int j, lf_num;
2289
2290                                 i=raw_read_stdin(buf, bufsize/2);
2291                                 lf_num = 0;
2292                                 /* both loops are skipped when i <= 0 */
2293                                 for (j = 0; j < i; j++)
2294                                         if (buf[j] == '\n')
2295                                                 lf_num++;
2296                                 for (j = i-1; j >= 0; j--)
2297                                         {
2298                                         buf[j+lf_num] = buf[j];
2299                                         if (buf[j] == '\n')
2300                                                 {
2301                                                 lf_num--;
2302                                                 i++;
2303                                                 buf[j+lf_num] = '\r';
2304                                                 }
2305                                         }
2306                                 assert(lf_num == 0);
2307                                 }
2308                         else
2309                                 i=raw_read_stdin(buf,bufsize);
2310                         if (!s_quiet)
2311                                 {
2312                                 if ((i <= 0) || (buf[0] == 'Q'))
2313                                         {
2314                                         BIO_printf(bio_s_out,"DONE\n");
2315                                         SHUTDOWN(s);
2316                                         close_accept_socket();
2317                                         ret= -11;
2318                                         goto err;
2319                                         }
2320                                 if ((i <= 0) || (buf[0] == 'q'))
2321                                         {
2322                                         BIO_printf(bio_s_out,"DONE\n");
2323                                         if (SSL_version(con) != DTLS1_VERSION)
2324                         SHUTDOWN(s);
2325         /*                              close_accept_socket();
2326                                         ret= -11;*/
2327                                         goto err;
2328                                         }
2329
2330 #ifndef OPENSSL_NO_HEARTBEATS
2331                                 if ((buf[0] == 'B') &&
2332                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2333                                         {
2334                                         BIO_printf(bio_err,"HEARTBEATING\n");
2335                                         SSL_heartbeat(con);
2336                                         i=0;
2337                                         continue;
2338                                         }
2339 #endif
2340                                 if ((buf[0] == 'r') &&
2341                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2342                                         {
2343                                         SSL_renegotiate(con);
2344                                         i=SSL_do_handshake(con);
2345                                         printf("SSL_do_handshake -> %d\n",i);
2346                                         i=0; /*13; */
2347                                         continue;
2348                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2349                                         }
2350                                 if ((buf[0] == 'R') &&
2351                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2352                                         {
2353                                         SSL_set_verify(con,
2354                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2355                                         SSL_renegotiate(con);
2356                                         i=SSL_do_handshake(con);
2357                                         printf("SSL_do_handshake -> %d\n",i);
2358                                         i=0; /* 13; */
2359                                         continue;
2360                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2361                                         }
2362                                 if (buf[0] == 'P')
2363                                         {
2364                                         static const char *str="Lets print some clear text\n";
2365                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2366                                         }
2367                                 if (buf[0] == 'S')
2368                                         {
2369                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2370                                         }
2371                                 }
2372 #ifdef CHARSET_EBCDIC
2373                         ebcdic2ascii(buf,buf,i);
2374 #endif
2375                         l=k=0;
2376                         for (;;)
2377                                 {
2378                                 /* should do a select for the write */
2379 #ifdef RENEG
2380 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2381 #endif
2382                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2383 #ifndef OPENSSL_NO_SRP
2384                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2385                                         {
2386                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2387                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2388                                         if (srp_callback_parm.user)
2389                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2390                                         else
2391                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2392                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2393                                         }
2394 #endif
2395                                 switch (SSL_get_error(con,k))
2396                                         {
2397                                 case SSL_ERROR_NONE:
2398                                         break;
2399                                 case SSL_ERROR_WANT_WRITE:
2400                                 case SSL_ERROR_WANT_READ:
2401                                 case SSL_ERROR_WANT_X509_LOOKUP:
2402                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2403                                         break;
2404                                 case SSL_ERROR_SYSCALL:
2405                                 case SSL_ERROR_SSL:
2406                                         BIO_printf(bio_s_out,"ERROR\n");
2407                                         ERR_print_errors(bio_err);
2408                                         ret=1;
2409                                         goto err;
2410                                         /* break; */
2411                                 case SSL_ERROR_ZERO_RETURN:
2412                                         BIO_printf(bio_s_out,"DONE\n");
2413                                         ret=1;
2414                                         goto err;
2415                                         }
2416                                 l+=k;
2417                                 i-=k;
2418                                 if (i <= 0) break;
2419                                 }
2420                         }
2421                 if (read_from_sslcon)
2422                         {
2423                         if (!SSL_is_init_finished(con))
2424                                 {
2425                                 i=init_ssl_connection(con);
2426
2427                                 if (i < 0)
2428                                         {
2429                                         ret=0;
2430                                         goto err;
2431                                         }
2432                                 else if (i == 0)
2433                                         {
2434                                         ret=1;
2435                                         goto err;
2436                                         }
2437                                 }
2438                         else
2439                                 {
2440 again:
2441                                 i=SSL_read(con,(char *)buf,bufsize);
2442 #ifndef OPENSSL_NO_SRP
2443                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2444                                         {
2445                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2446                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2447                                         if (srp_callback_parm.user)
2448                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2449                                         else
2450                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2451                                         i=SSL_read(con,(char *)buf,bufsize);
2452                                         }
2453 #endif
2454                                 switch (SSL_get_error(con,i))
2455                                         {
2456                                 case SSL_ERROR_NONE:
2457 #ifdef CHARSET_EBCDIC
2458                                         ascii2ebcdic(buf,buf,i);
2459 #endif
2460                                         raw_write_stdout(buf,
2461                                                 (unsigned int)i);
2462                                         if (SSL_pending(con)) goto again;
2463                                         break;
2464                                 case SSL_ERROR_WANT_WRITE:
2465                                 case SSL_ERROR_WANT_READ:
2466                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2467                                         break;
2468                                 case SSL_ERROR_SYSCALL:
2469                                 case SSL_ERROR_SSL:
2470                                         BIO_printf(bio_s_out,"ERROR\n");
2471                                         ERR_print_errors(bio_err);
2472                                         ret=1;
2473                                         goto err;
2474                                 case SSL_ERROR_ZERO_RETURN:
2475                                         BIO_printf(bio_s_out,"DONE\n");
2476                                         ret=1;
2477                                         goto err;
2478                                         }
2479                                 }
2480                         }
2481                 }
2482 err:
2483         if (con != NULL)
2484                 {
2485                 BIO_printf(bio_s_out,"shutting down SSL\n");
2486 #if 1
2487                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2488 #else
2489                 SSL_shutdown(con);
2490 #endif
2491                 SSL_free(con);
2492                 }
2493         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2494         if (buf != NULL)
2495                 {
2496                 OPENSSL_cleanse(buf,bufsize);
2497                 OPENSSL_free(buf);
2498                 }
2499         if (ret >= 0)
2500                 BIO_printf(bio_s_out,"ACCEPT\n");
2501         return(ret);
2502         }
2503
2504 static void close_accept_socket(void)
2505         {
2506         BIO_printf(bio_err,"shutdown accept socket\n");
2507         if (accept_socket >= 0)
2508                 {
2509                 SHUTDOWN2(accept_socket);
2510                 }
2511         }
2512
2513 static int init_ssl_connection(SSL *con)
2514         {
2515         int i;
2516         const char *str;
2517         X509 *peer;
2518         long verify_error;
2519         MS_STATIC char buf[BUFSIZ];
2520 #ifndef OPENSSL_NO_KRB5
2521         char *client_princ;
2522 #endif
2523 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2524         const unsigned char *next_proto_neg;
2525         unsigned next_proto_neg_len;
2526 #endif
2527         unsigned char *exportedkeymat;
2528
2529
2530         i=SSL_accept(con);
2531 #ifndef OPENSSL_NO_SRP
2532         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2533                 {
2534                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2535                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2536                         if (srp_callback_parm.user)
2537                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2538                         else
2539                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2540                         i=SSL_accept(con);
2541                 }
2542 #endif
2543         if (i <= 0)
2544                 {
2545                 if (BIO_sock_should_retry(i))
2546                         {
2547                         BIO_printf(bio_s_out,"DELAY\n");
2548                         return(1);
2549                         }
2550
2551                 BIO_printf(bio_err,"ERROR\n");
2552                 verify_error=SSL_get_verify_result(con);
2553                 if (verify_error != X509_V_OK)
2554                         {
2555                         BIO_printf(bio_err,"verify error:%s\n",
2556                                 X509_verify_cert_error_string(verify_error));
2557                         }
2558                 /* Always print any error messages */
2559                 ERR_print_errors(bio_err);
2560                 return(0);
2561                 }
2562
2563         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2564
2565         peer=SSL_get_peer_certificate(con);
2566         if (peer != NULL)
2567                 {
2568                 BIO_printf(bio_s_out,"Client certificate\n");
2569                 PEM_write_bio_X509(bio_s_out,peer);
2570                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2571                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2572                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2573                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2574                 X509_free(peer);
2575                 }
2576
2577         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2578                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2579         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2580         ssl_print_sigalgs(bio_s_out, con);
2581         ssl_print_curves(bio_s_out, con);
2582         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2583
2584 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2585         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2586         if (next_proto_neg)
2587                 {
2588                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2589                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2590                 BIO_printf(bio_s_out, "\n");
2591                 }
2592 #endif
2593         {
2594         SRTP_PROTECTION_PROFILE *srtp_profile
2595           = SSL_get_selected_srtp_profile(con);
2596
2597         if(srtp_profile)
2598                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2599                            srtp_profile->name);
2600         }
2601         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2602         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2603                 TLS1_FLAGS_TLS_PADDING_BUG)
2604                 BIO_printf(bio_s_out,
2605                            "Peer has incorrect TLSv1 block padding\n");
2606 #ifndef OPENSSL_NO_KRB5
2607         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2608         if (client_princ != NULL)
2609                 {
2610                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2611                                                                 client_princ);
2612                 }
2613 #endif /* OPENSSL_NO_KRB5 */
2614         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2615                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2616         if (keymatexportlabel != NULL)
2617                 {
2618                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2619                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2620                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2621                            keymatexportlen);
2622                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2623                 if (exportedkeymat != NULL)
2624                         {
2625                         if (!SSL_export_keying_material(con, exportedkeymat,
2626                                                         keymatexportlen,
2627                                                         keymatexportlabel,
2628                                                         strlen(keymatexportlabel),
2629                                                         NULL, 0, 0))
2630                                 {
2631                                 BIO_printf(bio_s_out, "    Error\n");
2632                                 }
2633                         else
2634                                 {
2635                                 BIO_printf(bio_s_out, "    Keying material: ");
2636                                 for (i=0; i<keymatexportlen; i++)
2637                                         BIO_printf(bio_s_out, "%02X",
2638                                                    exportedkeymat[i]);
2639                                 BIO_printf(bio_s_out, "\n");
2640                                 }
2641                         OPENSSL_free(exportedkeymat);
2642                         }
2643                 }
2644
2645         return(1);
2646         }
2647
2648 #ifndef OPENSSL_NO_DH
2649 static DH *load_dh_param(const char *dhfile)
2650         {
2651         DH *ret=NULL;
2652         BIO *bio;
2653
2654         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2655                 goto err;
2656         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2657 err:
2658         if (bio != NULL) BIO_free(bio);
2659         return(ret);
2660         }
2661 #endif
2662 #ifndef OPENSSL_NO_KRB5
2663         char *client_princ;
2664 #endif
2665
2666 #if 0
2667 static int load_CA(SSL_CTX *ctx, char *file)
2668         {
2669         FILE *in;
2670         X509 *x=NULL;
2671
2672         if ((in=fopen(file,"r")) == NULL)
2673                 return(0);
2674
2675         for (;;)
2676                 {
2677                 if (PEM_read_X509(in,&x,NULL) == NULL)
2678                         break;
2679                 SSL_CTX_add_client_CA(ctx,x);
2680                 }
2681         if (x != NULL) X509_free(x);
2682         fclose(in);
2683         return(1);
2684         }
2685 #endif
2686
2687 static int www_body(char *hostname, int s, unsigned char *context)
2688         {
2689         char *buf=NULL;
2690         int ret=1;
2691         int i,j,k,dot;
2692         SSL *con;
2693         const SSL_CIPHER *c;
2694         BIO *io,*ssl_bio,*sbio;
2695 #ifndef OPENSSL_NO_KRB5
2696         KSSL_CTX *kctx;
2697 #endif
2698
2699         buf=OPENSSL_malloc(bufsize);
2700         if (buf == NULL) return(0);
2701         io=BIO_new(BIO_f_buffer());
2702         ssl_bio=BIO_new(BIO_f_ssl());
2703         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2704
2705 #ifdef FIONBIO
2706         if (s_nbio)
2707                 {
2708                 unsigned long sl=1;
2709
2710                 if (!s_quiet)
2711                         BIO_printf(bio_err,"turning on non blocking io\n");
2712                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2713                         ERR_print_errors(bio_err);
2714                 }
2715 #endif
2716
2717         /* lets make the output buffer a reasonable size */
2718         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2719
2720         if ((con=SSL_new(ctx)) == NULL) goto err;
2721 #ifndef OPENSSL_NO_TLSEXT
2722                 if (s_tlsextdebug)
2723                         {
2724                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2725                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2726                         }
2727 #endif
2728 #ifndef OPENSSL_NO_KRB5
2729         if ((kctx = kssl_ctx_new()) != NULL)
2730                 {
2731                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2732                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2733                 }
2734 #endif  /* OPENSSL_NO_KRB5 */
2735         if(context) SSL_set_session_id_context(con, context,
2736                                                strlen((char *)context));
2737
2738         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2739         if (s_nbio_test)
2740                 {
2741                 BIO *test;
2742
2743                 test=BIO_new(BIO_f_nbio_test());
2744                 sbio=BIO_push(test,sbio);
2745                 }
2746         SSL_set_bio(con,sbio,sbio);
2747         SSL_set_accept_state(con);
2748
2749         /* SSL_set_fd(con,s); */
2750         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2751         BIO_push(io,ssl_bio);
2752 #ifdef CHARSET_EBCDIC
2753         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2754 #endif
2755
2756         if (s_debug)
2757                 {
2758                 SSL_set_debug(con, 1);
2759                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2760                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2761                 }
2762         if (s_msg)
2763                 {
2764 #ifndef OPENSSL_NO_SSL_TRACE
2765                 if (s_msg == 2)
2766                         SSL_set_msg_callback(con, SSL_trace);
2767                 else
2768 #endif
2769                         SSL_set_msg_callback(con, msg_cb);
2770                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2771                 }
2772
2773         for (;;)
2774                 {
2775                 if (hack)
2776                         {
2777                         i=SSL_accept(con);
2778 #ifndef OPENSSL_NO_SRP
2779                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2780                 {
2781                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2782                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2783                         if (srp_callback_parm.user)
2784                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2785                         else
2786                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2787                         i=SSL_accept(con);
2788                 }
2789 #endif
2790                         switch (SSL_get_error(con,i))
2791                                 {
2792                         case SSL_ERROR_NONE:
2793                                 break;
2794                         case SSL_ERROR_WANT_WRITE:
2795                         case SSL_ERROR_WANT_READ:
2796                         case SSL_ERROR_WANT_X509_LOOKUP:
2797                                 continue;
2798                         case SSL_ERROR_SYSCALL:
2799                         case SSL_ERROR_SSL:
2800                         case SSL_ERROR_ZERO_RETURN:
2801                                 ret=1;
2802                                 goto err;
2803                                 /* break; */
2804                                 }
2805
2806                         SSL_renegotiate(con);
2807                         SSL_write(con,NULL,0);
2808                         }
2809
2810                 i=BIO_gets(io,buf,bufsize-1);
2811                 if (i < 0) /* error */
2812                         {
2813                         if (!BIO_should_retry(io))
2814                                 {
2815                                 if (!s_quiet)
2816                                         ERR_print_errors(bio_err);
2817                                 goto err;
2818                                 }
2819                         else
2820                                 {
2821                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2822 #if defined(OPENSSL_SYS_NETWARE)
2823             delay(1000);
2824 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2825                                 sleep(1);
2826 #endif
2827                                 continue;
2828                                 }
2829                         }
2830                 else if (i == 0) /* end of input */
2831                         {
2832                         ret=1;
2833                         goto end;
2834                         }
2835
2836                 /* else we have data */
2837                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2838                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2839                         {
2840                         char *p;
2841                         X509 *peer;
2842                         STACK_OF(SSL_CIPHER) *sk;
2843                         static const char *space="                          ";
2844
2845                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2846                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2847                         BIO_puts(io,"<pre>\n");
2848 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2849                         BIO_puts(io,"\n");
2850                         for (i=0; i<local_argc; i++)
2851                                 {
2852                                 BIO_puts(io,local_argv[i]);
2853                                 BIO_write(io," ",1);
2854                                 }
2855                         BIO_puts(io,"\n");
2856
2857                         BIO_printf(io,
2858                                 "Secure Renegotiation IS%s supported\n",
2859                                 SSL_get_secure_renegotiation_support(con) ?
2860                                                         "" : " NOT");
2861
2862                         /* The following is evil and should not really
2863                          * be done */
2864                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2865                         sk=SSL_get_ciphers(con);
2866                         j=sk_SSL_CIPHER_num(sk);
2867                         for (i=0; i<j; i++)
2868                                 {
2869                                 c=sk_SSL_CIPHER_value(sk,i);
2870                                 BIO_printf(io,"%-11s:%-25s",
2871                                         SSL_CIPHER_get_version(c),
2872                                         SSL_CIPHER_get_name(c));
2873                                 if ((((i+1)%2) == 0) && (i+1 != j))
2874                                         BIO_puts(io,"\n");
2875                                 }
2876                         BIO_puts(io,"\n");
2877                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2878                         if (p != NULL)
2879                                 {
2880                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2881                                 j=i=0;
2882                                 while (*p)
2883                                         {
2884                                         if (*p == ':')
2885                                                 {
2886                                                 BIO_write(io,space,26-j);
2887                                                 i++;
2888                                                 j=0;
2889                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2890                                                 }
2891                                         else
2892                                                 {
2893                                                 BIO_write(io,p,1);
2894                                                 j++;
2895                                                 }
2896                                         p++;
2897                                         }
2898                                 BIO_puts(io,"\n");
2899                                 }
2900                         ssl_print_sigalgs(io, con);
2901                         ssl_print_curves(io, con);
2902                         BIO_printf(io,(SSL_cache_hit(con)
2903                                 ?"---\nReused, "
2904                                 :"---\nNew, "));
2905                         c=SSL_get_current_cipher(con);
2906                         BIO_printf(io,"%s, Cipher is %s\n",
2907                                 SSL_CIPHER_get_version(c),
2908                                 SSL_CIPHER_get_name(c));
2909                         SSL_SESSION_print(io,SSL_get_session(con));
2910                         BIO_printf(io,"---\n");
2911                         print_stats(io,SSL_get_SSL_CTX(con));
2912                         BIO_printf(io,"---\n");
2913                         peer=SSL_get_peer_certificate(con);
2914                         if (peer != NULL)
2915                                 {
2916                                 BIO_printf(io,"Client certificate\n");
2917                                 X509_print(io,peer);
2918                                 PEM_write_bio_X509(io,peer);
2919                                 }
2920                         else
2921                                 BIO_puts(io,"no client certificate available\n");
2922                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2923                         break;
2924                         }
2925                 else if ((www == 2 || www == 3)
2926                          && (strncmp("GET /",buf,5) == 0))
2927                         {
2928                         BIO *file;
2929                         char *p,*e;
2930                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2931
2932                         /* skip the '/' */
2933                         p= &(buf[5]);
2934
2935                         dot = 1;
2936                         for (e=p; *e != '\0'; e++)
2937                                 {
2938                                 if (e[0] == ' ')
2939                                         break;
2940
2941                                 switch (dot)
2942                                         {
2943                                 case 1:
2944                                         dot = (e[0] == '.') ? 2 : 0;
2945                                         break;
2946                                 case 2:
2947                                         dot = (e[0] == '.') ? 3 : 0;
2948                                         break;
2949                                 case 3:
2950                                         dot = (e[0] == '/') ? -1 : 0;
2951                                         break;
2952                                         }
2953                                 if (dot == 0)
2954                                         dot = (e[0] == '/') ? 1 : 0;
2955                                 }
2956                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2957
2958                         if (*e == '\0')
2959                                 {
2960                                 BIO_puts(io,text);
2961                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2962                                 break;
2963                                 }
2964                         *e='\0';
2965
2966                         if (dot)
2967                                 {
2968                                 BIO_puts(io,text);
2969                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2970                                 break;
2971                                 }
2972
2973                         if (*p == '/')
2974                                 {
2975                                 BIO_puts(io,text);
2976                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2977                                 break;
2978                                 }
2979
2980 #if 0
2981                         /* append if a directory lookup */
2982                         if (e[-1] == '/')
2983                                 strcat(p,"index.html");
2984 #endif
2985
2986                         /* if a directory, do the index thang */
2987                         if (app_isdir(p)>0)
2988                                 {
2989 #if 0 /* must check buffer size */
2990                                 strcat(p,"/index.html");
2991 #else
2992                                 BIO_puts(io,text);
2993                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2994                                 break;
2995 #endif
2996                                 }
2997
2998                         if ((file=BIO_new_file(p,"r")) == NULL)
2999                                 {
3000                                 BIO_puts(io,text);
3001                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3002                                 ERR_print_errors(io);
3003                                 break;
3004                                 }
3005
3006                         if (!s_quiet)
3007                                 BIO_printf(bio_err,"FILE:%s\n",p);
3008
3009                         if (www == 2)
3010                                 {
3011                                 i=strlen(p);
3012                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3013                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3014                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3015                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3016                                 else
3017                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3018                                 }
3019                         /* send the file */
3020                         for (;;)
3021                                 {
3022                                 i=BIO_read(file,buf,bufsize);
3023                                 if (i <= 0) break;
3024
3025 #ifdef RENEG
3026                                 total_bytes+=i;
3027                                 fprintf(stderr,"%d\n",i);
3028                                 if (total_bytes > 3*1024)
3029                                         {
3030                                         total_bytes=0;
3031                                         fprintf(stderr,"RENEGOTIATE\n");
3032                                         SSL_renegotiate(con);
3033                                         }
3034 #endif
3035
3036                                 for (j=0; j<i; )
3037                                         {
3038 #ifdef RENEG
3039 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3040 #endif
3041                                         k=BIO_write(io,&(buf[j]),i-j);
3042                                         if (k <= 0)
3043                                                 {
3044                                                 if (!BIO_should_retry(io))
3045                                                         goto write_error;
3046                                                 else
3047                                                         {
3048                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3049                                                         }
3050                                                 }
3051                                         else
3052                                                 {
3053                                                 j+=k;
3054                                                 }
3055                                         }
3056                                 }
3057 write_error:
3058                         BIO_free(file);
3059                         break;
3060                         }
3061                 }
3062
3063         for (;;)
3064                 {
3065                 i=(int)BIO_flush(io);
3066                 if (i <= 0)
3067                         {
3068                         if (!BIO_should_retry(io))
3069                                 break;
3070                         }
3071                 else
3072                         break;
3073                 }
3074 end:
3075 #if 1
3076         /* make sure we re-use sessions */
3077         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3078 #else
3079         /* This kills performance */
3080 /*      SSL_shutdown(con); A shutdown gets sent in the
3081  *      BIO_free_all(io) procession */
3082 #endif
3083
3084 err:
3085
3086         if (ret >= 0)
3087                 BIO_printf(bio_s_out,"ACCEPT\n");
3088
3089         if (buf != NULL) OPENSSL_free(buf);
3090         if (io != NULL) BIO_free_all(io);
3091 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3092         return(ret);
3093         }
3094
3095 #ifndef OPENSSL_NO_RSA
3096 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3097         {
3098         BIGNUM *bn = NULL;
3099         static RSA *rsa_tmp=NULL;
3100
3101         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3102                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3103         if (!rsa_tmp && bn)
3104                 {
3105                 if (!s_quiet)
3106                         {
3107                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3108                         (void)BIO_flush(bio_err);
3109                         }
3110                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3111                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3112                         {
3113                         if(rsa_tmp) RSA_free(rsa_tmp);
3114                         rsa_tmp = NULL;
3115                         }
3116                 if (!s_quiet)
3117                         {
3118                         BIO_printf(bio_err,"\n");
3119                         (void)BIO_flush(bio_err);
3120                         }
3121                 BN_free(bn);
3122                 }
3123         return(rsa_tmp);
3124         }
3125 #endif
3126
3127 #define MAX_SESSION_ID_ATTEMPTS 10
3128 static int generate_session_id(const SSL *ssl, unsigned char *id,
3129                                 unsigned int *id_len)
3130         {
3131         unsigned int count = 0;
3132         do      {
3133                 RAND_pseudo_bytes(id, *id_len);
3134                 /* Prefix the session_id with the required prefix. NB: If our
3135                  * prefix is too long, clip it - but there will be worse effects
3136                  * anyway, eg. the server could only possibly create 1 session
3137                  * ID (ie. the prefix!) so all future session negotiations will
3138                  * fail due to conflicts. */
3139                 memcpy(id, session_id_prefix,
3140                         (strlen(session_id_prefix) < *id_len) ?
3141                         strlen(session_id_prefix) : *id_len);
3142                 }
3143         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3144                 (++count < MAX_SESSION_ID_ATTEMPTS));
3145         if(count >= MAX_SESSION_ID_ATTEMPTS)
3146                 return 0;
3147         return 1;
3148         }