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         int badop=0;
 948         int ret=1;
 949         int build_chain = 0;
 950         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 951         int state=0;
 952         const SSL_METHOD *meth=NULL;
 953         int socket_type=SOCK_STREAM;
 954         ENGINE *e=NULL;
 955         char *inrand=NULL;
 956         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 957         char *passarg = NULL, *pass = NULL;
 958         char *dpassarg = NULL, *dpass = NULL;
 959         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 960         X509 *s_cert = NULL, *s_dcert = NULL;
 961         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 962         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 963         int no_cache = 0;
 964 #ifndef OPENSSL_NO_TLSEXT
 965         EVP_PKEY *s_key2 = NULL;
 966         X509 *s_cert2 = NULL;
 967         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 968 # ifndef OPENSSL_NO_NEXTPROTONEG
 969         const char *next_proto_neg_in = NULL;
 970         tlsextnextprotoctx next_proto;
 971 # endif
 972 #endif
 973 #ifndef OPENSSL_NO_PSK
 974         /* by default do not send a PSK identity hint */
 975         static char *psk_identity_hint=NULL;
 976 #endif
 977 #ifndef OPENSSL_NO_SRP
 978         char *srpuserseed = NULL;
 979         char *srp_verifier_file = NULL;
 980 #endif
 981         SSL_EXCERT *exc = NULL;
 982         SSL_CONF_CTX *cctx = NULL;
 983         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 984
 985         char *crl_file = NULL;
 986         int crl_format = FORMAT_PEM;
 987         int crl_download = 0;
 988         STACK_OF(X509_CRL) *crls = NULL;
 989
 990         meth=SSLv23_server_method();
 991
 992         local_argc=argc;
 993         local_argv=argv;
 994
 995         apps_startup();
 996 #ifdef MONOLITH
 997         s_server_init();
 998 #endif
 999
1000         if (bio_err == NULL)
1001                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1002
1003         if (!load_config(bio_err, NULL))
1004                 goto end;
1005
1006         cctx = SSL_CONF_CTX_new();
1007         if (!cctx)
1008                 goto end;
1009         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1010         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1011
1012         verify_depth=0;
1013 #ifdef FIONBIO
1014         s_nbio=0;
1015 #endif
1016         s_nbio_test=0;
1017
1018         argc--;
1019         argv++;
1020
1021         while (argc >= 1)
1022                 {
1023                 if      ((strcmp(*argv,"-port") == 0) ||
1024                          (strcmp(*argv,"-accept") == 0))
1025                         {
1026                         if (--argc < 1) goto bad;
1027                         if (!extract_port(*(++argv),&port))
1028                                 goto bad;
1029                         }
1030                 else if (strcmp(*argv,"-verify") == 0)
1031                         {
1032                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1033                         if (--argc < 1) goto bad;
1034                         verify_depth=atoi(*(++argv));
1035                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1036                         }
1037                 else if (strcmp(*argv,"-Verify") == 0)
1038                         {
1039                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1040                                 SSL_VERIFY_CLIENT_ONCE;
1041                         if (--argc < 1) goto bad;
1042                         verify_depth=atoi(*(++argv));
1043                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1044                         }
1045                 else if (strcmp(*argv,"-context") == 0)
1046                         {
1047                         if (--argc < 1) goto bad;
1048                         context= (unsigned char *)*(++argv);
1049                         }
1050                 else if (strcmp(*argv,"-cert") == 0)
1051                         {
1052                         if (--argc < 1) goto bad;
1053                         s_cert_file= *(++argv);
1054                         }
1055                 else if (strcmp(*argv,"-CRL") == 0)
1056                         {
1057                         if (--argc < 1) goto bad;
1058                         crl_file= *(++argv);
1059                         }
1060                 else if (strcmp(*argv,"-crl_download") == 0)
1061                         crl_download = 1;
1062 #ifndef OPENSSL_NO_TLSEXT
1063                 else if (strcmp(*argv,"-authz") == 0)
1064                         {
1065                         if (--argc < 1) goto bad;
1066                         s_authz_file = *(++argv);
1067                         }
1068 #endif
1069                 else if (strcmp(*argv,"-certform") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         s_cert_format = str2fmt(*(++argv));
1073                         }
1074                 else if (strcmp(*argv,"-key") == 0)
1075                         {
1076                         if (--argc < 1) goto bad;
1077                         s_key_file= *(++argv);
1078                         }
1079                 else if (strcmp(*argv,"-keyform") == 0)
1080                         {
1081                         if (--argc < 1) goto bad;
1082                         s_key_format = str2fmt(*(++argv));
1083                         }
1084                 else if (strcmp(*argv,"-pass") == 0)
1085                         {
1086                         if (--argc < 1) goto bad;
1087                         passarg = *(++argv);
1088                         }
1089                 else if (strcmp(*argv,"-cert_chain") == 0)
1090                         {
1091                         if (--argc < 1) goto bad;
1092                         s_chain_file= *(++argv);
1093                         }
1094                 else if (strcmp(*argv,"-dhparam") == 0)
1095                         {
1096                         if (--argc < 1) goto bad;
1097                         dhfile = *(++argv);
1098                         }
1099                 else if (strcmp(*argv,"-dcertform") == 0)
1100                         {
1101                         if (--argc < 1) goto bad;
1102                         s_dcert_format = str2fmt(*(++argv));
1103                         }
1104                 else if (strcmp(*argv,"-dcert") == 0)
1105                         {
1106                         if (--argc < 1) goto bad;
1107                         s_dcert_file= *(++argv);
1108                         }
1109                 else if (strcmp(*argv,"-dkeyform") == 0)
1110                         {
1111                         if (--argc < 1) goto bad;
1112                         s_dkey_format = str2fmt(*(++argv));
1113                         }
1114                 else if (strcmp(*argv,"-dpass") == 0)
1115                         {
1116                         if (--argc < 1) goto bad;
1117                         dpassarg = *(++argv);
1118                         }
1119                 else if (strcmp(*argv,"-dkey") == 0)
1120                         {
1121                         if (--argc < 1) goto bad;
1122                         s_dkey_file= *(++argv);
1123                         }
1124                 else if (strcmp(*argv,"-dcert_chain") == 0)
1125                         {
1126                         if (--argc < 1) goto bad;
1127                         s_dchain_file= *(++argv);
1128                         }
1129                 else if (strcmp(*argv,"-nocert") == 0)
1130                         {
1131                         nocert=1;
1132                         }
1133                 else if (strcmp(*argv,"-CApath") == 0)
1134                         {
1135                         if (--argc < 1) goto bad;
1136                         CApath= *(++argv);
1137                         }
1138                 else if (strcmp(*argv,"-chainCApath") == 0)
1139                         {
1140                         if (--argc < 1) goto bad;
1141                         chCApath= *(++argv);
1142                         }
1143                 else if (strcmp(*argv,"-verifyCApath") == 0)
1144                         {
1145                         if (--argc < 1) goto bad;
1146                         vfyCApath= *(++argv);
1147                         }
1148                 else if (strcmp(*argv,"-no_cache") == 0)
1149                         no_cache = 1;
1150                 else if (strcmp(*argv,"-CRLform") == 0)
1151                         {
1152                         if (--argc < 1) goto bad;
1153                         crl_format = str2fmt(*(++argv));
1154                         }
1155                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1156                         {
1157                         if (badarg)
1158                                 goto bad;
1159                         continue;
1160                         }
1161                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1162                         {
1163                         if (badarg)
1164                                 goto bad;
1165                         continue;
1166                         }
1167                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1168                         {
1169                         if (badarg)
1170                                 goto bad;
1171                         continue;
1172                         }
1173                 else if (strcmp(*argv,"-verify_return_error") == 0)
1174                         verify_return_error = 1;
1175                 else if (strcmp(*argv,"-build_chain") == 0)
1176                         build_chain = 1;
1177                 else if (strcmp(*argv,"-CAfile") == 0)
1178                         {
1179                         if (--argc < 1) goto bad;
1180                         CAfile= *(++argv);
1181                         }
1182                 else if (strcmp(*argv,"-chainCAfile") == 0)
1183                         {
1184                         if (--argc < 1) goto bad;
1185                         chCAfile= *(++argv);
1186                         }
1187                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1188                         {
1189                         if (--argc < 1) goto bad;
1190                         vfyCAfile= *(++argv);
1191                         }
1192 #ifdef FIONBIO
1193                 else if (strcmp(*argv,"-nbio") == 0)
1194                         { s_nbio=1; }
1195 #endif
1196                 else if (strcmp(*argv,"-nbio_test") == 0)
1197                         {
1198 #ifdef FIONBIO
1199                         s_nbio=1;
1200 #endif
1201                         s_nbio_test=1;
1202                         }
1203                 else if (strcmp(*argv,"-debug") == 0)
1204                         { s_debug=1; }
1205 #ifndef OPENSSL_NO_TLSEXT
1206                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1207                         s_tlsextdebug=1;
1208                 else if (strcmp(*argv,"-status") == 0)
1209                         s_tlsextstatus=1;
1210                 else if (strcmp(*argv,"-status_verbose") == 0)
1211                         {
1212                         s_tlsextstatus=1;
1213                         tlscstatp.verbose = 1;
1214                         }
1215                 else if (!strcmp(*argv, "-status_timeout"))
1216                         {
1217                         s_tlsextstatus=1;
1218                         if (--argc < 1) goto bad;
1219                         tlscstatp.timeout = atoi(*(++argv));
1220                         }
1221                 else if (!strcmp(*argv, "-status_url"))
1222                         {
1223                         s_tlsextstatus=1;
1224                         if (--argc < 1) goto bad;
1225                         if (!OCSP_parse_url(*(++argv),
1226                                         &tlscstatp.host,
1227                                         &tlscstatp.port,
1228                                         &tlscstatp.path,
1229                                         &tlscstatp.use_ssl))
1230                                 {
1231                                 BIO_printf(bio_err, "Error parsing URL\n");
1232                                 goto bad;
1233                                 }
1234                         }
1235 #endif
1236                 else if (strcmp(*argv,"-msg") == 0)
1237                         { s_msg=1; }
1238                 else if (strcmp(*argv,"-msgfile") == 0)
1239                         {
1240                         if (--argc < 1) goto bad;
1241                         bio_s_msg = BIO_new_file(*(++argv), "w");
1242                         }
1243 #ifndef OPENSSL_NO_SSL_TRACE
1244                 else if (strcmp(*argv,"-trace") == 0)
1245                         { s_msg=2; }
1246 #endif
1247                 else if (strcmp(*argv,"-hack") == 0)
1248                         { hack=1; }
1249                 else if (strcmp(*argv,"-state") == 0)
1250                         { state=1; }
1251                 else if (strcmp(*argv,"-crlf") == 0)
1252                         { s_crlf=1; }
1253                 else if (strcmp(*argv,"-quiet") == 0)
1254                         { s_quiet=1; }
1255                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1256                         { no_tmp_rsa=1; }
1257                 else if (strcmp(*argv,"-no_dhe") == 0)
1258                         { no_dhe=1; }
1259                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1260                         { no_ecdhe=1; }
1261 #ifndef OPENSSL_NO_PSK
1262                 else if (strcmp(*argv,"-psk_hint") == 0)
1263                         {
1264                         if (--argc < 1) goto bad;
1265                         psk_identity_hint= *(++argv);
1266                         }
1267                 else if (strcmp(*argv,"-psk") == 0)
1268                         {
1269                         size_t i;
1270
1271                         if (--argc < 1) goto bad;
1272                         psk_key=*(++argv);
1273                         for (i=0; i<strlen(psk_key); i++)
1274                                 {
1275                                 if (isxdigit((unsigned char)psk_key[i]))
1276                                         continue;
1277                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1278                                 goto bad;
1279                                 }
1280                         }
1281 #endif
1282 #ifndef OPENSSL_NO_SRP
1283                 else if (strcmp(*argv, "-srpvfile") == 0)
1284                         {
1285                         if (--argc < 1) goto bad;
1286                         srp_verifier_file = *(++argv);
1287                         meth = TLSv1_server_method();
1288                         }
1289                 else if (strcmp(*argv, "-srpuserseed") == 0)
1290                         {
1291                         if (--argc < 1) goto bad;
1292                         srpuserseed = *(++argv);
1293                         meth = TLSv1_server_method();
1294                         }
1295 #endif
1296                 else if (strcmp(*argv,"-www") == 0)
1297                         { www=1; }
1298                 else if (strcmp(*argv,"-WWW") == 0)
1299                         { www=2; }
1300                 else if (strcmp(*argv,"-HTTP") == 0)
1301                         { www=3; }
1302 #ifndef OPENSSL_NO_SSL2
1303                 else if (strcmp(*argv,"-ssl2") == 0)
1304                         { meth=SSLv2_server_method(); }
1305 #endif
1306 #ifndef OPENSSL_NO_SSL3
1307                 else if (strcmp(*argv,"-ssl3") == 0)
1308                         { meth=SSLv3_server_method(); }
1309 #endif
1310 #ifndef OPENSSL_NO_TLS1
1311                 else if (strcmp(*argv,"-tls1") == 0)
1312                         { meth=TLSv1_server_method(); }
1313                 else if (strcmp(*argv,"-tls1_1") == 0)
1314                         { meth=TLSv1_1_server_method(); }
1315                 else if (strcmp(*argv,"-tls1_2") == 0)
1316                         { meth=TLSv1_2_server_method(); }
1317 #endif
1318 #ifndef OPENSSL_NO_DTLS1
1319                 else if (strcmp(*argv,"-dtls1") == 0)
1320                         {
1321                         meth=DTLSv1_server_method();
1322                         socket_type = SOCK_DGRAM;
1323                         }
1324                 else if (strcmp(*argv,"-timeout") == 0)
1325                         enable_timeouts = 1;
1326                 else if (strcmp(*argv,"-mtu") == 0)
1327                         {
1328                         if (--argc < 1) goto bad;
1329                         socket_mtu = atol(*(++argv));
1330                         }
1331                 else if (strcmp(*argv, "-chain") == 0)
1332                         cert_chain = 1;
1333 #endif
1334                 else if (strcmp(*argv, "-id_prefix") == 0)
1335                         {
1336                         if (--argc < 1) goto bad;
1337                         session_id_prefix = *(++argv);
1338                         }
1339 #ifndef OPENSSL_NO_ENGINE
1340                 else if (strcmp(*argv,"-engine") == 0)
1341                         {
1342                         if (--argc < 1) goto bad;
1343                         engine_id= *(++argv);
1344                         }
1345 #endif
1346                 else if (strcmp(*argv,"-rand") == 0)
1347                         {
1348                         if (--argc < 1) goto bad;
1349                         inrand= *(++argv);
1350                         }
1351 #ifndef OPENSSL_NO_TLSEXT
1352                 else if (strcmp(*argv,"-servername") == 0)
1353                         {
1354                         if (--argc < 1) goto bad;
1355                         tlsextcbp.servername= *(++argv);
1356                         }
1357                 else if (strcmp(*argv,"-servername_fatal") == 0)
1358                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1359                 else if (strcmp(*argv,"-cert2") == 0)
1360                         {
1361                         if (--argc < 1) goto bad;
1362                         s_cert_file2= *(++argv);
1363                         }
1364                 else if (strcmp(*argv,"-key2") == 0)
1365                         {
1366                         if (--argc < 1) goto bad;
1367                         s_key_file2= *(++argv);
1368                         }
1369 # ifndef OPENSSL_NO_NEXTPROTONEG
1370                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1371                         {
1372                         if (--argc < 1) goto bad;
1373                         next_proto_neg_in = *(++argv);
1374                         }
1375 # endif
1376 #endif
1377 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1378                 else if (strcmp(*argv,"-jpake") == 0)
1379                         {
1380                         if (--argc < 1) goto bad;
1381                         jpake_secret = *(++argv);
1382                         }
1383 #endif
1384                 else if (strcmp(*argv,"-use_srtp") == 0)
1385                         {
1386                         if (--argc < 1) goto bad;
1387                         srtp_profiles = *(++argv);
1388                         }
1389                 else if (strcmp(*argv,"-keymatexport") == 0)
1390                         {
1391                         if (--argc < 1) goto bad;
1392                         keymatexportlabel= *(++argv);
1393                         }
1394                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1395                         {
1396                         if (--argc < 1) goto bad;
1397                         keymatexportlen=atoi(*(++argv));
1398                         if (keymatexportlen == 0) goto bad;
1399                         }
1400                 else
1401                         {
1402                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1403                         badop=1;
1404                         break;
1405                         }
1406                 argc--;
1407                 argv++;
1408                 }
1409         if (badop)
1410                 {
1411 bad:
1412                 sv_usage();
1413                 goto end;
1414                 }
1415
1416 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1417         if (jpake_secret)
1418                 {
1419                 if (psk_key)
1420                         {
1421                         BIO_printf(bio_err,
1422                                    "Can't use JPAKE and PSK together\n");
1423                         goto end;
1424                         }
1425                 psk_identity = "JPAKE";
1426                 }
1427 #endif
1428
1429         SSL_load_error_strings();
1430         OpenSSL_add_ssl_algorithms();
1431
1432 #ifndef OPENSSL_NO_ENGINE
1433         e = setup_engine(bio_err, engine_id, 1);
1434 #endif
1435
1436         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1437                 {
1438                 BIO_printf(bio_err, "Error getting password\n");
1439                 goto end;
1440                 }
1441
1442
1443         if (s_key_file == NULL)
1444                 s_key_file = s_cert_file;
1445 #ifndef OPENSSL_NO_TLSEXT
1446         if (s_key_file2 == NULL)
1447                 s_key_file2 = s_cert_file2;
1448 #endif
1449
1450         if (!load_excert(&exc, bio_err))
1451                 goto end;
1452
1453         if (nocert == 0)
1454                 {
1455                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1456                        "server certificate private key file");
1457                 if (!s_key)
1458                         {
1459                         ERR_print_errors(bio_err);
1460                         goto end;
1461                         }
1462
1463                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1464                         NULL, e, "server certificate file");
1465
1466                 if (!s_cert)
1467                         {
1468                         ERR_print_errors(bio_err);
1469                         goto end;
1470                         }
1471                 if (s_chain_file)
1472                         {
1473                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1474                                         NULL, e, "server certificate chain");
1475                         if (!s_chain)
1476                                 goto end;
1477                         }
1478
1479 #ifndef OPENSSL_NO_TLSEXT
1480                 if (tlsextcbp.servername)
1481                         {
1482                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1483                                 "second server certificate private key file");
1484                         if (!s_key2)
1485                                 {
1486                                 ERR_print_errors(bio_err);
1487                                 goto end;
1488                                 }
1489
1490                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1491                                 NULL, e, "second server certificate file");
1492
1493                         if (!s_cert2)
1494                                 {
1495                                 ERR_print_errors(bio_err);
1496                                 goto end;
1497                                 }
1498                         }
1499 #endif /* OPENSSL_NO_TLSEXT */
1500                 }
1501
1502 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1503         if (next_proto_neg_in)
1504                 {
1505                 unsigned short len;
1506                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1507                 if (next_proto.data == NULL)
1508                         goto end;
1509                 next_proto.len = len;
1510                 }
1511         else
1512                 {
1513                 next_proto.data = NULL;
1514                 }
1515 #endif
1516
1517         if (crl_file)
1518                 {
1519                 X509_CRL *crl;
1520                 crl = load_crl(crl_file, crl_format);
1521                 if (!crl)
1522                         {
1523                         BIO_puts(bio_err, "Error loading CRL\n");
1524                         ERR_print_errors(bio_err);
1525                         goto end;
1526                         }
1527                 crls = sk_X509_CRL_new_null();
1528                 if (!crls || !sk_X509_CRL_push(crls, crl))
1529                         {
1530                         BIO_puts(bio_err, "Error adding CRL\n");
1531                         ERR_print_errors(bio_err);
1532                         X509_CRL_free(crl);
1533                         goto end;
1534                         }
1535                 }
1536
1537
1538         if (s_dcert_file)
1539                 {
1540
1541                 if (s_dkey_file == NULL)
1542                         s_dkey_file = s_dcert_file;
1543
1544                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1545                                 0, dpass, e,
1546                                "second certificate private key file");
1547                 if (!s_dkey)
1548                         {
1549                         ERR_print_errors(bio_err);
1550                         goto end;
1551                         }
1552
1553                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1554                                 NULL, e, "second server certificate file");
1555
1556                 if (!s_dcert)
1557                         {
1558                         ERR_print_errors(bio_err);
1559                         goto end;
1560                         }
1561                 if (s_dchain_file)
1562                         {
1563                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1564                                 NULL, e, "second server certificate chain");
1565                         if (!s_dchain)
1566                                 goto end;
1567                         }
1568
1569                 }
1570
1571         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1572                 && !RAND_status())
1573                 {
1574                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1575                 }
1576         if (inrand != NULL)
1577                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1578                         app_RAND_load_files(inrand));
1579
1580         if (bio_s_out == NULL)
1581                 {
1582                 if (s_quiet && !s_debug && !s_msg)
1583                         {
1584                         bio_s_out=BIO_new(BIO_s_null());
1585                         if (s_msg && !bio_s_msg)
1586                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1587                         }
1588                 else
1589                         {
1590                         if (bio_s_out == NULL)
1591                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1592                         }
1593                 }
1594
1595 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1596         if (nocert)
1597 #endif
1598                 {
1599                 s_cert_file=NULL;
1600                 s_key_file=NULL;
1601                 s_dcert_file=NULL;
1602                 s_dkey_file=NULL;
1603 #ifndef OPENSSL_NO_TLSEXT
1604                 s_cert_file2=NULL;
1605                 s_key_file2=NULL;
1606 #endif
1607                 }
1608
1609         ctx=SSL_CTX_new(meth);
1610         if (ctx == NULL)
1611                 {
1612                 ERR_print_errors(bio_err);
1613                 goto end;
1614                 }
1615         if (session_id_prefix)
1616                 {
1617                 if(strlen(session_id_prefix) >= 32)
1618                         BIO_printf(bio_err,
1619 "warning: id_prefix is too long, only one new session will be possible\n");
1620                 else if(strlen(session_id_prefix) >= 16)
1621                         BIO_printf(bio_err,
1622 "warning: id_prefix is too long if you use SSLv2\n");
1623                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1624                         {
1625                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1626                         ERR_print_errors(bio_err);
1627                         goto end;
1628                         }
1629                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1630                 }
1631         SSL_CTX_set_quiet_shutdown(ctx,1);
1632         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1633         if (exc) ssl_ctx_set_excert(ctx, exc);
1634         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1635          * Setting read ahead solves this problem.
1636          */
1637         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1638
1639         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1640         if (no_cache)
1641                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1642         else
1643                 SSL_CTX_sess_set_cache_size(ctx,128);
1644
1645         if (srtp_profiles != NULL)
1646                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1647
1648 #if 0
1649         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1650 #endif
1651
1652 #if 0
1653         if (s_cert_file == NULL)
1654                 {
1655                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1656                 goto end;
1657                 }
1658 #endif
1659
1660         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1661                 (!SSL_CTX_set_default_verify_paths(ctx)))
1662                 {
1663                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1664                 ERR_print_errors(bio_err);
1665                 /* goto end; */
1666                 }
1667         if (vpm)
1668                 SSL_CTX_set1_param(ctx, vpm);
1669
1670         ssl_ctx_add_crls(ctx, crls, 0);
1671
1672         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1673                 goto end;
1674
1675         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1676                                                 crls, crl_download))
1677                 {
1678                 BIO_printf(bio_err, "Error loading store locations\n");
1679                 ERR_print_errors(bio_err);
1680                 goto end;
1681                 }
1682
1683 #ifndef OPENSSL_NO_TLSEXT
1684         if (s_cert2)
1685                 {
1686                 ctx2=SSL_CTX_new(meth);
1687                 if (ctx2 == NULL)
1688                         {
1689                         ERR_print_errors(bio_err);
1690                         goto end;
1691                         }
1692                 }
1693
1694         if (ctx2)
1695                 {
1696                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1697
1698                 if (session_id_prefix)
1699                         {
1700                         if(strlen(session_id_prefix) >= 32)
1701                                 BIO_printf(bio_err,
1702                                         "warning: id_prefix is too long, only one new session will be possible\n");
1703                         else if(strlen(session_id_prefix) >= 16)
1704                                 BIO_printf(bio_err,
1705                                         "warning: id_prefix is too long if you use SSLv2\n");
1706                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1707                                 {
1708                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1709                                 ERR_print_errors(bio_err);
1710                                 goto end;
1711                                 }
1712                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1713                         }
1714                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1715                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1716                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1717                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1718                  * Setting read ahead solves this problem.
1719                  */
1720                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1721
1722                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1723
1724                 if (no_cache)
1725                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1726                 else
1727                         SSL_CTX_sess_set_cache_size(ctx2,128);
1728
1729                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1730                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1731                         {
1732                         ERR_print_errors(bio_err);
1733                         }
1734                 if (vpm)
1735                         SSL_CTX_set1_param(ctx2, vpm);
1736
1737                 ssl_ctx_add_crls(ctx2, crls, 0);
1738
1739                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1740                         goto end;
1741
1742                 }
1743
1744 # ifndef OPENSSL_NO_NEXTPROTONEG
1745         if (next_proto.data)
1746                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1747 # endif
1748 #endif
1749
1750 #ifndef OPENSSL_NO_DH
1751         if (!no_dhe)
1752                 {
1753                 DH *dh=NULL;
1754
1755                 if (dhfile)
1756                         dh = load_dh_param(dhfile);
1757                 else if (s_cert_file)
1758                         dh = load_dh_param(s_cert_file);
1759
1760                 if (dh != NULL)
1761                         {
1762                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1763                         }
1764                 else
1765                         {
1766                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1767                         dh=get_dh512();
1768                         }
1769                 (void)BIO_flush(bio_s_out);
1770
1771                 SSL_CTX_set_tmp_dh(ctx,dh);
1772 #ifndef OPENSSL_NO_TLSEXT
1773                 if (ctx2)
1774                         {
1775                         if (!dhfile)
1776                                 {
1777                                 DH *dh2=load_dh_param(s_cert_file2);
1778                                 if (dh2 != NULL)
1779                                         {
1780                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1781                                         (void)BIO_flush(bio_s_out);
1782
1783                                         DH_free(dh);
1784                                         dh = dh2;
1785                                         }
1786                                 }
1787                         SSL_CTX_set_tmp_dh(ctx2,dh);
1788                         }
1789 #endif
1790                 DH_free(dh);
1791                 }
1792 #endif
1793
1794         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1795                 goto end;
1796 #ifndef OPENSSL_NO_TLSEXT
1797         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1798                 goto end;
1799 #endif
1800 #ifndef OPENSSL_NO_TLSEXT
1801         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1802                 goto end;
1803 #endif
1804         if (s_dcert != NULL)
1805                 {
1806                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1807                         goto end;
1808                 }
1809
1810 #ifndef OPENSSL_NO_RSA
1811 #if 1
1812         if (!no_tmp_rsa)
1813                 {
1814                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1815 #ifndef OPENSSL_NO_TLSEXT
1816                 if (ctx2)
1817                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1818 #endif
1819                 }
1820 #else
1821         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1822                 {
1823                 RSA *rsa;
1824
1825                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1826                 BIO_flush(bio_s_out);
1827
1828                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1829
1830                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1831                         {
1832                         ERR_print_errors(bio_err);
1833                         goto end;
1834                         }
1835 #ifndef OPENSSL_NO_TLSEXT
1836                         if (ctx2)
1837                                 {
1838                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1839                                         {
1840                                         ERR_print_errors(bio_err);
1841                                         goto end;
1842                                         }
1843                                 }
1844 #endif
1845                 RSA_free(rsa);
1846                 BIO_printf(bio_s_out,"\n");
1847                 }
1848 #endif
1849 #endif
1850
1851 #ifndef OPENSSL_NO_PSK
1852 #ifdef OPENSSL_NO_JPAKE
1853         if (psk_key != NULL)
1854 #else
1855         if (psk_key != NULL || jpake_secret)
1856 #endif
1857                 {
1858                 if (s_debug)
1859                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1860                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1861                 }
1862
1863         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1864                 {
1865                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1866                 ERR_print_errors(bio_err);
1867                 goto end;
1868                 }
1869 #endif
1870
1871         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1872         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1873                 sizeof s_server_session_id_context);
1874
1875         /* Set DTLS cookie generation and verification callbacks */
1876         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1877         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1878
1879 #ifndef OPENSSL_NO_TLSEXT
1880         if (ctx2)
1881                 {
1882                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1883                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1884                         sizeof s_server_session_id_context);
1885
1886                 tlsextcbp.biodebug = bio_s_out;
1887                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1888                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1889                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1890                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1891                 }
1892 #endif
1893
1894 #ifndef OPENSSL_NO_SRP
1895         if (srp_verifier_file != NULL)
1896                 {
1897                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1898                 srp_callback_parm.user = NULL;
1899                 srp_callback_parm.login = NULL;
1900                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1901                         {
1902                         BIO_printf(bio_err,
1903                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1904                                    srp_verifier_file, ret);
1905                                 goto end;
1906                         }
1907                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1908                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1909                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1910                 }
1911         else
1912 #endif
1913         if (CAfile != NULL)
1914                 {
1915                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1916 #ifndef OPENSSL_NO_TLSEXT
1917                 if (ctx2)
1918                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1919 #endif
1920                 }
1921
1922         BIO_printf(bio_s_out,"ACCEPT\n");
1923         (void)BIO_flush(bio_s_out);
1924         if (www)
1925                 do_server(port,socket_type,&accept_socket,www_body, context);
1926         else
1927                 do_server(port,socket_type,&accept_socket,sv_body, context);
1928         print_stats(bio_s_out,ctx);
1929         ret=0;
1930 end:
1931         if (ctx != NULL) SSL_CTX_free(ctx);
1932         if (s_cert)
1933                 X509_free(s_cert);
1934         if (crls)
1935                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1936         if (s_dcert)
1937                 X509_free(s_dcert);
1938         if (s_key)
1939                 EVP_PKEY_free(s_key);
1940         if (s_dkey)
1941                 EVP_PKEY_free(s_dkey);
1942         if (s_chain)
1943                 sk_X509_pop_free(s_chain, X509_free);
1944         if (s_dchain)
1945                 sk_X509_pop_free(s_dchain, X509_free);
1946         if (pass)
1947                 OPENSSL_free(pass);
1948         if (dpass)
1949                 OPENSSL_free(dpass);
1950         if (vpm)
1951                 X509_VERIFY_PARAM_free(vpm);
1952 #ifndef OPENSSL_NO_TLSEXT
1953         if (tlscstatp.host)
1954                 OPENSSL_free(tlscstatp.host);
1955         if (tlscstatp.port)
1956                 OPENSSL_free(tlscstatp.port);
1957         if (tlscstatp.path)
1958                 OPENSSL_free(tlscstatp.path);
1959         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1960         if (s_cert2)
1961                 X509_free(s_cert2);
1962         if (s_key2)
1963                 EVP_PKEY_free(s_key2);
1964         if (authz_in != NULL)
1965                 BIO_free(authz_in);
1966 #endif
1967         ssl_excert_free(exc);
1968         if (ssl_args)
1969                 sk_OPENSSL_STRING_free(ssl_args);
1970         if (cctx)
1971                 SSL_CONF_CTX_free(cctx);
1972 #ifndef OPENSSL_NO_JPAKE
1973         if (jpake_secret && psk_key)
1974                 OPENSSL_free(psk_key);
1975 #endif
1976         if (bio_s_out != NULL)
1977                 {
1978                 BIO_free(bio_s_out);
1979                 bio_s_out=NULL;
1980                 }
1981         if (bio_s_msg != NULL)
1982                 {
1983                 BIO_free(bio_s_msg);
1984                 bio_s_msg = NULL;
1985                 }
1986         apps_shutdown();
1987         OPENSSL_EXIT(ret);
1988         }
1989
1990 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1991         {
1992         BIO_printf(bio,"%4ld items in the session cache\n",
1993                 SSL_CTX_sess_number(ssl_ctx));
1994         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1995                 SSL_CTX_sess_connect(ssl_ctx));
1996         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1997                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1998         BIO_printf(bio,"%4ld client connects that finished\n",
1999                 SSL_CTX_sess_connect_good(ssl_ctx));
2000         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2001                 SSL_CTX_sess_accept(ssl_ctx));
2002         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2003                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2004         BIO_printf(bio,"%4ld server accepts that finished\n",
2005                 SSL_CTX_sess_accept_good(ssl_ctx));
2006         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2007         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2008         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2009         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2010         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2011                 SSL_CTX_sess_cache_full(ssl_ctx),
2012                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2013         }
2014
2015 static int sv_body(char *hostname, int s, unsigned char *context)
2016         {
2017         char *buf=NULL;
2018         fd_set readfds;
2019         int ret=1,width;
2020         int k,i;
2021         unsigned long l;
2022         SSL *con=NULL;
2023         BIO *sbio;
2024 #ifndef OPENSSL_NO_KRB5
2025         KSSL_CTX *kctx;
2026 #endif
2027         struct timeval timeout;
2028 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2029         struct timeval tv;
2030 #else
2031         struct timeval *timeoutp;
2032 #endif
2033
2034         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2035                 {
2036                 BIO_printf(bio_err,"out of memory\n");
2037                 goto err;
2038                 }
2039 #ifdef FIONBIO
2040         if (s_nbio)
2041                 {
2042                 unsigned long sl=1;
2043
2044                 if (!s_quiet)
2045                         BIO_printf(bio_err,"turning on non blocking io\n");
2046                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2047                         ERR_print_errors(bio_err);
2048                 }
2049 #endif
2050
2051         if (con == NULL) {
2052                 con=SSL_new(ctx);
2053 #ifndef OPENSSL_NO_TLSEXT
2054         if (s_tlsextdebug)
2055                 {
2056                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2057                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2058                 }
2059         if (s_tlsextstatus)
2060                 {
2061                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2062                 tlscstatp.err = bio_err;
2063                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2064                 }
2065 #endif
2066 #ifndef OPENSSL_NO_KRB5
2067                 if ((kctx = kssl_ctx_new()) != NULL)
2068                         {
2069                         SSL_set0_kssl_ctx(con, kctx);
2070                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2071                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2072                         }
2073 #endif  /* OPENSSL_NO_KRB5 */
2074                 if(context)
2075                       SSL_set_session_id_context(con, context,
2076                                                  strlen((char *)context));
2077         }
2078         SSL_clear(con);
2079 #if 0
2080 #ifdef TLSEXT_TYPE_opaque_prf_input
2081         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2082 #endif
2083 #endif
2084
2085         if (SSL_version(con) == DTLS1_VERSION)
2086                 {
2087
2088                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2089
2090                 if (enable_timeouts)
2091                         {
2092                         timeout.tv_sec = 0;
2093                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2094                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2095
2096                         timeout.tv_sec = 0;
2097                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2098                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2099                         }
2100
2101                 if (socket_mtu > 28)
2102                         {
2103                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2104                         SSL_set_mtu(con, socket_mtu - 28);
2105                         }
2106                 else
2107                         /* want to do MTU discovery */
2108                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2109
2110         /* turn on cookie exchange */
2111         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2112                 }
2113         else
2114                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2115
2116         if (s_nbio_test)
2117                 {
2118                 BIO *test;
2119
2120                 test=BIO_new(BIO_f_nbio_test());
2121                 sbio=BIO_push(test,sbio);
2122                 }
2123 #ifndef OPENSSL_NO_JPAKE
2124         if(jpake_secret)
2125                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2126 #endif
2127
2128         SSL_set_bio(con,sbio,sbio);
2129         SSL_set_accept_state(con);
2130         /* SSL_set_fd(con,s); */
2131
2132         if (s_debug)
2133                 {
2134                 SSL_set_debug(con, 1);
2135                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2136                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2137                 }
2138         if (s_msg)
2139                 {
2140 #ifndef OPENSSL_NO_SSL_TRACE
2141                 if (s_msg == 2)
2142                         SSL_set_msg_callback(con, SSL_trace);
2143                 else
2144 #endif
2145                         SSL_set_msg_callback(con, msg_cb);
2146                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2147                 }
2148 #ifndef OPENSSL_NO_TLSEXT
2149         if (s_tlsextdebug)
2150                 {
2151                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2152                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2153                 }
2154 #endif
2155
2156         width=s+1;
2157         for (;;)
2158                 {
2159                 int read_from_terminal;
2160                 int read_from_sslcon;
2161
2162                 read_from_terminal = 0;
2163                 read_from_sslcon = SSL_pending(con);
2164
2165                 if (!read_from_sslcon)
2166                         {
2167                         FD_ZERO(&readfds);
2168 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2169                         openssl_fdset(fileno(stdin),&readfds);
2170 #endif
2171                         openssl_fdset(s,&readfds);
2172                         /* Note: under VMS with SOCKETSHR the second parameter is
2173                          * currently of type (int *) whereas under other systems
2174                          * it is (void *) if you don't have a cast it will choke
2175                          * the compiler: if you do have a cast then you can either
2176                          * go for (int *) or (void *).
2177                          */
2178 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2179                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2180                          * on sockets. As a workaround we timeout the select every
2181                          * second and check for any keypress. In a proper Windows
2182                          * application we wouldn't do this because it is inefficient.
2183                          */
2184                         tv.tv_sec = 1;
2185                         tv.tv_usec = 0;
2186                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2187                         if((i < 0) || (!i && !_kbhit() ) )continue;
2188                         if(_kbhit())
2189                                 read_from_terminal = 1;
2190 #elif defined(OPENSSL_SYS_BEOS_R5)
2191                         /* Under BeOS-R5 the situation is similar to DOS */
2192                         tv.tv_sec = 1;
2193                         tv.tv_usec = 0;
2194                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2195                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2196                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2197                                 continue;
2198                         if (read(fileno(stdin), buf, 0) >= 0)
2199                                 read_from_terminal = 1;
2200                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2201 #else
2202                         if ((SSL_version(con) == DTLS1_VERSION) &&
2203                                 DTLSv1_get_timeout(con, &timeout))
2204                                 timeoutp = &timeout;
2205                         else
2206                                 timeoutp = NULL;
2207
2208                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2209
2210                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2211                                 {
2212                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2213                                 }
2214
2215                         if (i <= 0) continue;
2216                         if (FD_ISSET(fileno(stdin),&readfds))
2217                                 read_from_terminal = 1;
2218 #endif
2219                         if (FD_ISSET(s,&readfds))
2220                                 read_from_sslcon = 1;
2221                         }
2222                 if (read_from_terminal)
2223                         {
2224                         if (s_crlf)
2225                                 {
2226                                 int j, lf_num;
2227
2228                                 i=raw_read_stdin(buf, bufsize/2);
2229                                 lf_num = 0;
2230                                 /* both loops are skipped when i <= 0 */
2231                                 for (j = 0; j < i; j++)
2232                                         if (buf[j] == '\n')
2233                                                 lf_num++;
2234                                 for (j = i-1; j >= 0; j--)
2235                                         {
2236                                         buf[j+lf_num] = buf[j];
2237                                         if (buf[j] == '\n')
2238                                                 {
2239                                                 lf_num--;
2240                                                 i++;
2241                                                 buf[j+lf_num] = '\r';
2242                                                 }
2243                                         }
2244                                 assert(lf_num == 0);
2245                                 }
2246                         else
2247                                 i=raw_read_stdin(buf,bufsize);
2248                         if (!s_quiet)
2249                                 {
2250                                 if ((i <= 0) || (buf[0] == 'Q'))
2251                                         {
2252                                         BIO_printf(bio_s_out,"DONE\n");
2253                                         SHUTDOWN(s);
2254                                         close_accept_socket();
2255                                         ret= -11;
2256                                         goto err;
2257                                         }
2258                                 if ((i <= 0) || (buf[0] == 'q'))
2259                                         {
2260                                         BIO_printf(bio_s_out,"DONE\n");
2261                                         if (SSL_version(con) != DTLS1_VERSION)
2262                         SHUTDOWN(s);
2263         /*                              close_accept_socket();
2264                                         ret= -11;*/
2265                                         goto err;
2266                                         }
2267
2268 #ifndef OPENSSL_NO_HEARTBEATS
2269                                 if ((buf[0] == 'B') &&
2270                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2271                                         {
2272                                         BIO_printf(bio_err,"HEARTBEATING\n");
2273                                         SSL_heartbeat(con);
2274                                         i=0;
2275                                         continue;
2276                                         }
2277 #endif
2278                                 if ((buf[0] == 'r') &&
2279                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2280                                         {
2281                                         SSL_renegotiate(con);
2282                                         i=SSL_do_handshake(con);
2283                                         printf("SSL_do_handshake -> %d\n",i);
2284                                         i=0; /*13; */
2285                                         continue;
2286                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2287                                         }
2288                                 if ((buf[0] == 'R') &&
2289                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2290                                         {
2291                                         SSL_set_verify(con,
2292                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2293                                         SSL_renegotiate(con);
2294                                         i=SSL_do_handshake(con);
2295                                         printf("SSL_do_handshake -> %d\n",i);
2296                                         i=0; /* 13; */
2297                                         continue;
2298                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2299                                         }
2300                                 if (buf[0] == 'P')
2301                                         {
2302                                         static const char *str="Lets print some clear text\n";
2303                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2304                                         }
2305                                 if (buf[0] == 'S')
2306                                         {
2307                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2308                                         }
2309                                 }
2310 #ifdef CHARSET_EBCDIC
2311                         ebcdic2ascii(buf,buf,i);
2312 #endif
2313                         l=k=0;
2314                         for (;;)
2315                                 {
2316                                 /* should do a select for the write */
2317 #ifdef RENEG
2318 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2319 #endif
2320                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2321 #ifndef OPENSSL_NO_SRP
2322                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2323                                         {
2324                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2325                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2326                                         if (srp_callback_parm.user)
2327                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2328                                         else
2329                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2330                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2331                                         }
2332 #endif
2333                                 switch (SSL_get_error(con,k))
2334                                         {
2335                                 case SSL_ERROR_NONE:
2336                                         break;
2337                                 case SSL_ERROR_WANT_WRITE:
2338                                 case SSL_ERROR_WANT_READ:
2339                                 case SSL_ERROR_WANT_X509_LOOKUP:
2340                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2341                                         break;
2342                                 case SSL_ERROR_SYSCALL:
2343                                 case SSL_ERROR_SSL:
2344                                         BIO_printf(bio_s_out,"ERROR\n");
2345                                         ERR_print_errors(bio_err);
2346                                         ret=1;
2347                                         goto err;
2348                                         /* break; */
2349                                 case SSL_ERROR_ZERO_RETURN:
2350                                         BIO_printf(bio_s_out,"DONE\n");
2351                                         ret=1;
2352                                         goto err;
2353                                         }
2354                                 l+=k;
2355                                 i-=k;
2356                                 if (i <= 0) break;
2357                                 }
2358                         }
2359                 if (read_from_sslcon)
2360                         {
2361                         if (!SSL_is_init_finished(con))
2362                                 {
2363                                 i=init_ssl_connection(con);
2364
2365                                 if (i < 0)
2366                                         {
2367                                         ret=0;
2368                                         goto err;
2369                                         }
2370                                 else if (i == 0)
2371                                         {
2372                                         ret=1;
2373                                         goto err;
2374                                         }
2375                                 }
2376                         else
2377                                 {
2378 again:
2379                                 i=SSL_read(con,(char *)buf,bufsize);
2380 #ifndef OPENSSL_NO_SRP
2381                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2382                                         {
2383                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2384                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2385                                         if (srp_callback_parm.user)
2386                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2387                                         else
2388                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2389                                         i=SSL_read(con,(char *)buf,bufsize);
2390                                         }
2391 #endif
2392                                 switch (SSL_get_error(con,i))
2393                                         {
2394                                 case SSL_ERROR_NONE:
2395 #ifdef CHARSET_EBCDIC
2396                                         ascii2ebcdic(buf,buf,i);
2397 #endif
2398                                         raw_write_stdout(buf,
2399                                                 (unsigned int)i);
2400                                         if (SSL_pending(con)) goto again;
2401                                         break;
2402                                 case SSL_ERROR_WANT_WRITE:
2403                                 case SSL_ERROR_WANT_READ:
2404                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2405                                         break;
2406                                 case SSL_ERROR_SYSCALL:
2407                                 case SSL_ERROR_SSL:
2408                                         BIO_printf(bio_s_out,"ERROR\n");
2409                                         ERR_print_errors(bio_err);
2410                                         ret=1;
2411                                         goto err;
2412                                 case SSL_ERROR_ZERO_RETURN:
2413                                         BIO_printf(bio_s_out,"DONE\n");
2414                                         ret=1;
2415                                         goto err;
2416                                         }
2417                                 }
2418                         }
2419                 }
2420 err:
2421         if (con != NULL)
2422                 {
2423                 BIO_printf(bio_s_out,"shutting down SSL\n");
2424 #if 1
2425                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2426 #else
2427                 SSL_shutdown(con);
2428 #endif
2429                 SSL_free(con);
2430                 }
2431         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2432         if (buf != NULL)
2433                 {
2434                 OPENSSL_cleanse(buf,bufsize);
2435                 OPENSSL_free(buf);
2436                 }
2437         if (ret >= 0)
2438                 BIO_printf(bio_s_out,"ACCEPT\n");
2439         return(ret);
2440         }
2441
2442 static void close_accept_socket(void)
2443         {
2444         BIO_printf(bio_err,"shutdown accept socket\n");
2445         if (accept_socket >= 0)
2446                 {
2447                 SHUTDOWN2(accept_socket);
2448                 }
2449         }
2450
2451 static int init_ssl_connection(SSL *con)
2452         {
2453         int i;
2454         const char *str;
2455         X509 *peer;
2456         long verify_error;
2457         MS_STATIC char buf[BUFSIZ];
2458 #ifndef OPENSSL_NO_KRB5
2459         char *client_princ;
2460 #endif
2461 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2462         const unsigned char *next_proto_neg;
2463         unsigned next_proto_neg_len;
2464 #endif
2465         unsigned char *exportedkeymat;
2466
2467
2468         i=SSL_accept(con);
2469 #ifndef OPENSSL_NO_SRP
2470         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2471                 {
2472                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2473                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2474                         if (srp_callback_parm.user)
2475                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2476                         else
2477                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2478                         i=SSL_accept(con);
2479                 }
2480 #endif
2481         if (i <= 0)
2482                 {
2483                 if (BIO_sock_should_retry(i))
2484                         {
2485                         BIO_printf(bio_s_out,"DELAY\n");
2486                         return(1);
2487                         }
2488
2489                 BIO_printf(bio_err,"ERROR\n");
2490                 verify_error=SSL_get_verify_result(con);
2491                 if (verify_error != X509_V_OK)
2492                         {
2493                         BIO_printf(bio_err,"verify error:%s\n",
2494                                 X509_verify_cert_error_string(verify_error));
2495                         }
2496                 /* Always print any error messages */
2497                 ERR_print_errors(bio_err);
2498                 return(0);
2499                 }
2500
2501         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2502
2503         peer=SSL_get_peer_certificate(con);
2504         if (peer != NULL)
2505                 {
2506                 BIO_printf(bio_s_out,"Client certificate\n");
2507                 PEM_write_bio_X509(bio_s_out,peer);
2508                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2509                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2510                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2511                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2512                 X509_free(peer);
2513                 }
2514
2515         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2516                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2517         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2518         ssl_print_sigalgs(bio_s_out, con);
2519         ssl_print_curves(bio_s_out, con);
2520         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2521
2522 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2523         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2524         if (next_proto_neg)
2525                 {
2526                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2527                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2528                 BIO_printf(bio_s_out, "\n");
2529                 }
2530 #endif
2531         {
2532         SRTP_PROTECTION_PROFILE *srtp_profile
2533           = SSL_get_selected_srtp_profile(con);
2534
2535         if(srtp_profile)
2536                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2537                            srtp_profile->name);
2538         }
2539         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2540         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2541                 TLS1_FLAGS_TLS_PADDING_BUG)
2542                 BIO_printf(bio_s_out,
2543                            "Peer has incorrect TLSv1 block padding\n");
2544 #ifndef OPENSSL_NO_KRB5
2545         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2546         if (client_princ != NULL)
2547                 {
2548                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2549                                                                 client_princ);
2550                 }
2551 #endif /* OPENSSL_NO_KRB5 */
2552         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2553                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2554         if (keymatexportlabel != NULL)
2555                 {
2556                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2557                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2558                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2559                            keymatexportlen);
2560                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2561                 if (exportedkeymat != NULL)
2562                         {
2563                         if (!SSL_export_keying_material(con, exportedkeymat,
2564                                                         keymatexportlen,
2565                                                         keymatexportlabel,
2566                                                         strlen(keymatexportlabel),
2567                                                         NULL, 0, 0))
2568                                 {
2569                                 BIO_printf(bio_s_out, "    Error\n");
2570                                 }
2571                         else
2572                                 {
2573                                 BIO_printf(bio_s_out, "    Keying material: ");
2574                                 for (i=0; i<keymatexportlen; i++)
2575                                         BIO_printf(bio_s_out, "%02X",
2576                                                    exportedkeymat[i]);
2577                                 BIO_printf(bio_s_out, "\n");
2578                                 }
2579                         OPENSSL_free(exportedkeymat);
2580                         }
2581                 }
2582
2583         return(1);
2584         }
2585
2586 #ifndef OPENSSL_NO_DH
2587 static DH *load_dh_param(const char *dhfile)
2588         {
2589         DH *ret=NULL;
2590         BIO *bio;
2591
2592         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2593                 goto err;
2594         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2595 err:
2596         if (bio != NULL) BIO_free(bio);
2597         return(ret);
2598         }
2599 #endif
2600 #ifndef OPENSSL_NO_KRB5
2601         char *client_princ;
2602 #endif
2603
2604 #if 0
2605 static int load_CA(SSL_CTX *ctx, char *file)
2606         {
2607         FILE *in;
2608         X509 *x=NULL;
2609
2610         if ((in=fopen(file,"r")) == NULL)
2611                 return(0);
2612
2613         for (;;)
2614                 {
2615                 if (PEM_read_X509(in,&x,NULL) == NULL)
2616                         break;
2617                 SSL_CTX_add_client_CA(ctx,x);
2618                 }
2619         if (x != NULL) X509_free(x);
2620         fclose(in);
2621         return(1);
2622         }
2623 #endif
2624
2625 static int www_body(char *hostname, int s, unsigned char *context)
2626         {
2627         char *buf=NULL;
2628         int ret=1;
2629         int i,j,k,dot;
2630         SSL *con;
2631         const SSL_CIPHER *c;
2632         BIO *io,*ssl_bio,*sbio;
2633 #ifndef OPENSSL_NO_KRB5
2634         KSSL_CTX *kctx;
2635 #endif
2636
2637         buf=OPENSSL_malloc(bufsize);
2638         if (buf == NULL) return(0);
2639         io=BIO_new(BIO_f_buffer());
2640         ssl_bio=BIO_new(BIO_f_ssl());
2641         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2642
2643 #ifdef FIONBIO
2644         if (s_nbio)
2645                 {
2646                 unsigned long sl=1;
2647
2648                 if (!s_quiet)
2649                         BIO_printf(bio_err,"turning on non blocking io\n");
2650                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2651                         ERR_print_errors(bio_err);
2652                 }
2653 #endif
2654
2655         /* lets make the output buffer a reasonable size */
2656         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2657
2658         if ((con=SSL_new(ctx)) == NULL) goto err;
2659 #ifndef OPENSSL_NO_TLSEXT
2660                 if (s_tlsextdebug)
2661                         {
2662                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2663                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2664                         }
2665 #endif
2666 #ifndef OPENSSL_NO_KRB5
2667         if ((kctx = kssl_ctx_new()) != NULL)
2668                 {
2669                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2670                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2671                 }
2672 #endif  /* OPENSSL_NO_KRB5 */
2673         if(context) SSL_set_session_id_context(con, context,
2674                                                strlen((char *)context));
2675
2676         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2677         if (s_nbio_test)
2678                 {
2679                 BIO *test;
2680
2681                 test=BIO_new(BIO_f_nbio_test());
2682                 sbio=BIO_push(test,sbio);
2683                 }
2684         SSL_set_bio(con,sbio,sbio);
2685         SSL_set_accept_state(con);
2686
2687         /* SSL_set_fd(con,s); */
2688         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2689         BIO_push(io,ssl_bio);
2690 #ifdef CHARSET_EBCDIC
2691         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2692 #endif
2693
2694         if (s_debug)
2695                 {
2696                 SSL_set_debug(con, 1);
2697                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2698                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2699                 }
2700         if (s_msg)
2701                 {
2702 #ifndef OPENSSL_NO_SSL_TRACE
2703                 if (s_msg == 2)
2704                         SSL_set_msg_callback(con, SSL_trace);
2705                 else
2706 #endif
2707                         SSL_set_msg_callback(con, msg_cb);
2708                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2709                 }
2710
2711         for (;;)
2712                 {
2713                 if (hack)
2714                         {
2715                         i=SSL_accept(con);
2716 #ifndef OPENSSL_NO_SRP
2717                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2718                 {
2719                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2720                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2721                         if (srp_callback_parm.user)
2722                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2723                         else
2724                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2725                         i=SSL_accept(con);
2726                 }
2727 #endif
2728                         switch (SSL_get_error(con,i))
2729                                 {
2730                         case SSL_ERROR_NONE:
2731                                 break;
2732                         case SSL_ERROR_WANT_WRITE:
2733                         case SSL_ERROR_WANT_READ:
2734                         case SSL_ERROR_WANT_X509_LOOKUP:
2735                                 continue;
2736                         case SSL_ERROR_SYSCALL:
2737                         case SSL_ERROR_SSL:
2738                         case SSL_ERROR_ZERO_RETURN:
2739                                 ret=1;
2740                                 goto err;
2741                                 /* break; */
2742                                 }
2743
2744                         SSL_renegotiate(con);
2745                         SSL_write(con,NULL,0);
2746                         }
2747
2748                 i=BIO_gets(io,buf,bufsize-1);
2749                 if (i < 0) /* error */
2750                         {
2751                         if (!BIO_should_retry(io))
2752                                 {
2753                                 if (!s_quiet)
2754                                         ERR_print_errors(bio_err);
2755                                 goto err;
2756                                 }
2757                         else
2758                                 {
2759                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2760 #if defined(OPENSSL_SYS_NETWARE)
2761             delay(1000);
2762 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2763                                 sleep(1);
2764 #endif
2765                                 continue;
2766                                 }
2767                         }
2768                 else if (i == 0) /* end of input */
2769                         {
2770                         ret=1;
2771                         goto end;
2772                         }
2773
2774                 /* else we have data */
2775                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2776                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2777                         {
2778                         char *p;
2779                         X509 *peer;
2780                         STACK_OF(SSL_CIPHER) *sk;
2781                         static const char *space="                          ";
2782
2783                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2784                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2785                         BIO_puts(io,"<pre>\n");
2786 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2787                         BIO_puts(io,"\n");
2788                         for (i=0; i<local_argc; i++)
2789                                 {
2790                                 BIO_puts(io,local_argv[i]);
2791                                 BIO_write(io," ",1);
2792                                 }
2793                         BIO_puts(io,"\n");
2794
2795                         BIO_printf(io,
2796                                 "Secure Renegotiation IS%s supported\n",
2797                                 SSL_get_secure_renegotiation_support(con) ?
2798                                                         "" : " NOT");
2799
2800                         /* The following is evil and should not really
2801                          * be done */
2802                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2803                         sk=SSL_get_ciphers(con);
2804                         j=sk_SSL_CIPHER_num(sk);
2805                         for (i=0; i<j; i++)
2806                                 {
2807                                 c=sk_SSL_CIPHER_value(sk,i);
2808                                 BIO_printf(io,"%-11s:%-25s",
2809                                         SSL_CIPHER_get_version(c),
2810                                         SSL_CIPHER_get_name(c));
2811                                 if ((((i+1)%2) == 0) && (i+1 != j))
2812                                         BIO_puts(io,"\n");
2813                                 }
2814                         BIO_puts(io,"\n");
2815                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2816                         if (p != NULL)
2817                                 {
2818                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2819                                 j=i=0;
2820                                 while (*p)
2821                                         {
2822                                         if (*p == ':')
2823                                                 {
2824                                                 BIO_write(io,space,26-j);
2825                                                 i++;
2826                                                 j=0;
2827                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2828                                                 }
2829                                         else
2830                                                 {
2831                                                 BIO_write(io,p,1);
2832                                                 j++;
2833                                                 }
2834                                         p++;
2835                                         }
2836                                 BIO_puts(io,"\n");
2837                                 }
2838                         ssl_print_sigalgs(io, con);
2839                         ssl_print_curves(io, con);
2840                         BIO_printf(io,(SSL_cache_hit(con)
2841                                 ?"---\nReused, "
2842                                 :"---\nNew, "));
2843                         c=SSL_get_current_cipher(con);
2844                         BIO_printf(io,"%s, Cipher is %s\n",
2845                                 SSL_CIPHER_get_version(c),
2846                                 SSL_CIPHER_get_name(c));
2847                         SSL_SESSION_print(io,SSL_get_session(con));
2848                         BIO_printf(io,"---\n");
2849                         print_stats(io,SSL_get_SSL_CTX(con));
2850                         BIO_printf(io,"---\n");
2851                         peer=SSL_get_peer_certificate(con);
2852                         if (peer != NULL)
2853                                 {
2854                                 BIO_printf(io,"Client certificate\n");
2855                                 X509_print(io,peer);
2856                                 PEM_write_bio_X509(io,peer);
2857                                 }
2858                         else
2859                                 BIO_puts(io,"no client certificate available\n");
2860                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2861                         break;
2862                         }
2863                 else if ((www == 2 || www == 3)
2864                          && (strncmp("GET /",buf,5) == 0))
2865                         {
2866                         BIO *file;
2867                         char *p,*e;
2868                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2869
2870                         /* skip the '/' */
2871                         p= &(buf[5]);
2872
2873                         dot = 1;
2874                         for (e=p; *e != '\0'; e++)
2875                                 {
2876                                 if (e[0] == ' ')
2877                                         break;
2878
2879                                 switch (dot)
2880                                         {
2881                                 case 1:
2882                                         dot = (e[0] == '.') ? 2 : 0;
2883                                         break;
2884                                 case 2:
2885                                         dot = (e[0] == '.') ? 3 : 0;
2886                                         break;
2887                                 case 3:
2888                                         dot = (e[0] == '/') ? -1 : 0;
2889                                         break;
2890                                         }
2891                                 if (dot == 0)
2892                                         dot = (e[0] == '/') ? 1 : 0;
2893                                 }
2894                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2895
2896                         if (*e == '\0')
2897                                 {
2898                                 BIO_puts(io,text);
2899                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2900                                 break;
2901                                 }
2902                         *e='\0';
2903
2904                         if (dot)
2905                                 {
2906                                 BIO_puts(io,text);
2907                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2908                                 break;
2909                                 }
2910
2911                         if (*p == '/')
2912                                 {
2913                                 BIO_puts(io,text);
2914                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2915                                 break;
2916                                 }
2917
2918 #if 0
2919                         /* append if a directory lookup */
2920                         if (e[-1] == '/')
2921                                 strcat(p,"index.html");
2922 #endif
2923
2924                         /* if a directory, do the index thang */
2925                         if (app_isdir(p)>0)
2926                                 {
2927 #if 0 /* must check buffer size */
2928                                 strcat(p,"/index.html");
2929 #else
2930                                 BIO_puts(io,text);
2931                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2932                                 break;
2933 #endif
2934                                 }
2935
2936                         if ((file=BIO_new_file(p,"r")) == NULL)
2937                                 {
2938                                 BIO_puts(io,text);
2939                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2940                                 ERR_print_errors(io);
2941                                 break;
2942                                 }
2943
2944                         if (!s_quiet)
2945                                 BIO_printf(bio_err,"FILE:%s\n",p);
2946
2947                         if (www == 2)
2948                                 {
2949                                 i=strlen(p);
2950                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2951                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2952                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2953                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2954                                 else
2955                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2956                                 }
2957                         /* send the file */
2958                         for (;;)
2959                                 {
2960                                 i=BIO_read(file,buf,bufsize);
2961                                 if (i <= 0) break;
2962
2963 #ifdef RENEG
2964                                 total_bytes+=i;
2965                                 fprintf(stderr,"%d\n",i);
2966                                 if (total_bytes > 3*1024)
2967                                         {
2968                                         total_bytes=0;
2969                                         fprintf(stderr,"RENEGOTIATE\n");
2970                                         SSL_renegotiate(con);
2971                                         }
2972 #endif
2973
2974                                 for (j=0; j<i; )
2975                                         {
2976 #ifdef RENEG
2977 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2978 #endif
2979                                         k=BIO_write(io,&(buf[j]),i-j);
2980                                         if (k <= 0)
2981                                                 {
2982                                                 if (!BIO_should_retry(io))
2983                                                         goto write_error;
2984                                                 else
2985                                                         {
2986                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2987                                                         }
2988                                                 }
2989                                         else
2990                                                 {
2991                                                 j+=k;
2992                                                 }
2993                                         }
2994                                 }
2995 write_error:
2996                         BIO_free(file);
2997                         break;
2998                         }
2999                 }
3000
3001         for (;;)
3002                 {
3003                 i=(int)BIO_flush(io);
3004                 if (i <= 0)
3005                         {
3006                         if (!BIO_should_retry(io))
3007                                 break;
3008                         }
3009                 else
3010                         break;
3011                 }
3012 end:
3013 #if 1
3014         /* make sure we re-use sessions */
3015         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3016 #else
3017         /* This kills performance */
3018 /*      SSL_shutdown(con); A shutdown gets sent in the
3019  *      BIO_free_all(io) procession */
3020 #endif
3021
3022 err:
3023
3024         if (ret >= 0)
3025                 BIO_printf(bio_s_out,"ACCEPT\n");
3026
3027         if (buf != NULL) OPENSSL_free(buf);
3028         if (io != NULL) BIO_free_all(io);
3029 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3030         return(ret);
3031         }
3032
3033 #ifndef OPENSSL_NO_RSA
3034 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3035         {
3036         BIGNUM *bn = NULL;
3037         static RSA *rsa_tmp=NULL;
3038
3039         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3040                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3041         if (!rsa_tmp && bn)
3042                 {
3043                 if (!s_quiet)
3044                         {
3045                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3046                         (void)BIO_flush(bio_err);
3047                         }
3048                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3049                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3050                         {
3051                         if(rsa_tmp) RSA_free(rsa_tmp);
3052                         rsa_tmp = NULL;
3053                         }
3054                 if (!s_quiet)
3055                         {
3056                         BIO_printf(bio_err,"\n");
3057                         (void)BIO_flush(bio_err);
3058                         }
3059                 BN_free(bn);
3060                 }
3061         return(rsa_tmp);
3062         }
3063 #endif
3064
3065 #define MAX_SESSION_ID_ATTEMPTS 10
3066 static int generate_session_id(const SSL *ssl, unsigned char *id,
3067                                 unsigned int *id_len)
3068         {
3069         unsigned int count = 0;
3070         do      {
3071                 RAND_pseudo_bytes(id, *id_len);
3072                 /* Prefix the session_id with the required prefix. NB: If our
3073                  * prefix is too long, clip it - but there will be worse effects
3074                  * anyway, eg. the server could only possibly create 1 session
3075                  * ID (ie. the prefix!) so all future session negotiations will
3076                  * fail due to conflicts. */
3077                 memcpy(id, session_id_prefix,
3078                         (strlen(session_id_prefix) < *id_len) ?
3079                         strlen(session_id_prefix) : *id_len);
3080                 }
3081         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3082                 (++count < MAX_SESSION_ID_ATTEMPTS));
3083         if(count >= MAX_SESSION_ID_ATTEMPTS)
3084                 return 0;
3085         return 1;
3086         }