apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, unsigned char *context);
 208 static int www_body(char *hostname, int s, unsigned char *context);
 209 static void close_accept_socket(void );
 210 static void sv_usage(void);
 211 static int init_ssl_connection(SSL *s);
 212 static void print_stats(BIO *bp,SSL_CTX *ctx);
 213 static int generate_session_id(const SSL *ssl, unsigned char *id,
 214                                 unsigned int *id_len);
 215 #ifndef OPENSSL_NO_DH
 216 static DH *load_dh_param(const char *dhfile);
 217 static DH *get_dh512(void);
 218 #endif
 219
 220 #ifdef MONOLITH
 221 static void s_server_init(void);
 222 #endif
 223
 224 #ifndef OPENSSL_NO_DH
 225 static unsigned char dh512_p[]={
 226         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 227         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 228         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 229         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 230         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 231         0x47,0x74,0xE8,0x33,
 232         };
 233 static unsigned char dh512_g[]={
 234         0x02,
 235         };
 236
 237 static DH *get_dh512(void)
 238         {
 239         DH *dh=NULL;
 240
 241         if ((dh=DH_new()) == NULL) return(NULL);
 242         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 243         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 244         if ((dh->p == NULL) || (dh->g == NULL))
 245                 return(NULL);
 246         return(dh);
 247         }
 248 #endif
 249
 250
 251 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 252
 253 #undef BUFSIZZ
 254 #define BUFSIZZ 16*1024
 255 static int bufsize=BUFSIZZ;
 256 static int accept_socket= -1;
 257
 258 #define TEST_CERT       "server.pem"
 259 #ifndef OPENSSL_NO_TLSEXT
 260 #define TEST_CERT2      "server2.pem"
 261 #endif
 262 #undef PROG
 263 #define PROG            s_server_main
 264
 265 extern int verify_depth, verify_return_error;
 266
 267 static char *cipher=NULL;
 268 static int s_server_verify=SSL_VERIFY_NONE;
 269 static int s_server_session_id_context = 1; /* anything will do */
 270 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 271 #ifndef OPENSSL_NO_TLSEXT
 272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 273 static char *curves=NULL;
 274 #endif
 275 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 276 #ifdef FIONBIO
 277 static int s_nbio=0;
 278 #endif
 279 static int s_nbio_test=0;
 280 int s_crlf=0;
 281 static SSL_CTX *ctx=NULL;
 282 #ifndef OPENSSL_NO_TLSEXT
 283 static SSL_CTX *ctx2=NULL;
 284 #endif
 285 static int www=0;
 286
 287 static BIO *bio_s_out=NULL;
 288 static int s_debug=0;
 289 #ifndef OPENSSL_NO_TLSEXT
 290 static int s_tlsextdebug=0;
 291 static int s_tlsextstatus=0;
 292 static int cert_status_cb(SSL *s, void *arg);
 293 #endif
 294 static int s_msg=0;
 295 static int s_quiet=0;
 296
 297 static char *keymatexportlabel=NULL;
 298 static int keymatexportlen=20;
 299
 300 static int hack=0;
 301 #ifndef OPENSSL_NO_ENGINE
 302 static char *engine_id=NULL;
 303 #endif
 304 static const char *session_id_prefix=NULL;
 305
 306 static int enable_timeouts = 0;
 307 static long socket_mtu;
 308 #ifndef OPENSSL_NO_DTLS1
 309 static int cert_chain = 0;
 310 #endif
 311
 312 #ifndef OPENSSL_NO_TLSEXT
 313 static BIO *authz_in = NULL;
 314 static const char *s_authz_file = NULL;
 315 static unsigned char *authz = NULL;
 316 static size_t authz_length;
 317 #endif
 318
 319 #ifndef OPENSSL_NO_PSK
 320 static char *psk_identity="Client_identity";
 321 char *psk_key=NULL; /* by default PSK is not used */
 322
 323 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 324         unsigned char *psk, unsigned int max_psk_len)
 325         {
 326         unsigned int psk_len = 0;
 327         int ret;
 328         BIGNUM *bn = NULL;
 329
 330         if (s_debug)
 331                 BIO_printf(bio_s_out,"psk_server_cb\n");
 332         if (!identity)
 333                 {
 334                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 335                 goto out_err;
 336                 }
 337         if (s_debug)
 338                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 339                         identity ? (int)strlen(identity) : 0, identity);
 340
 341         /* here we could lookup the given identity e.g. from a database */
 342         if (strcmp(identity, psk_identity) != 0)
 343                 {
 344                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 345                            " (got '%s' expected '%s')\n", identity,
 346                            psk_identity);
 347                 goto out_err;
 348                 }
 349         if (s_debug)
 350                 BIO_printf(bio_s_out, "PSK client identity found\n");
 351
 352         /* convert the PSK key to binary */
 353         ret = BN_hex2bn(&bn, psk_key);
 354         if (!ret)
 355                 {
 356                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 357                 if (bn)
 358                         BN_free(bn);
 359                 return 0;
 360                 }
 361         if (BN_num_bytes(bn) > (int)max_psk_len)
 362                 {
 363                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 364                         max_psk_len, BN_num_bytes(bn));
 365                 BN_free(bn);
 366                 return 0;
 367                 }
 368
 369         ret = BN_bn2bin(bn, psk);
 370         BN_free(bn);
 371
 372         if (ret < 0)
 373                 goto out_err;
 374         psk_len = (unsigned int)ret;
 375
 376         if (s_debug)
 377                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 378         return psk_len;
 379  out_err:
 380         if (s_debug)
 381                 BIO_printf(bio_err, "Error in PSK server callback\n");
 382         return 0;
 383         }
 384 #endif
 385
 386 #ifndef OPENSSL_NO_SRP
 387 /* This is a context that we pass to callbacks */
 388 typedef struct srpsrvparm_st
 389         {
 390         char *login;
 391         SRP_VBASE *vb;
 392         SRP_user_pwd *user;
 393         } srpsrvparm;
 394
 395 /* This callback pretends to require some asynchronous logic in order to obtain
 396    a verifier. When the callback is called for a new connection we return
 397    with a negative value. This will provoke the accept etc to return with
 398    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 399    (which would normally occur after a worker has finished) and we
 400    set the user parameters.
 401 */
 402 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 403         {
 404         srpsrvparm *p = (srpsrvparm *)arg;
 405         if (p->login == NULL && p->user == NULL )
 406                 {
 407                 p->login = SSL_get_srp_username(s);
 408                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 409                 return (-1) ;
 410                 }
 411
 412         if (p->user == NULL)
 413                 {
 414                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 415                 return SSL3_AL_FATAL;
 416                 }
 417         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 418                                      p->user->info) < 0)
 419                 {
 420                 *ad = SSL_AD_INTERNAL_ERROR;
 421                 return SSL3_AL_FATAL;
 422                 }
 423         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 424         /* need to check whether there are memory leaks */
 425         p->user = NULL;
 426         p->login = NULL;
 427         return SSL_ERROR_NONE;
 428         }
 429
 430 #endif
 431
 432 #ifdef MONOLITH
 433 static void s_server_init(void)
 434         {
 435         accept_socket=-1;
 436         cipher=NULL;
 437         s_server_verify=SSL_VERIFY_NONE;
 438         s_dcert_file=NULL;
 439         s_dkey_file=NULL;
 440         s_dchain_file=NULL;
 441         s_cert_file=TEST_CERT;
 442         s_key_file=NULL;
 443         s_chain_file=NULL;
 444 #ifndef OPENSSL_NO_TLSEXT
 445         curves=NULL;
 446         s_cert_file2=TEST_CERT2;
 447         s_key_file2=NULL;
 448         ctx2=NULL;
 449 #endif
 450 #ifdef FIONBIO
 451         s_nbio=0;
 452 #endif
 453         s_nbio_test=0;
 454         ctx=NULL;
 455         www=0;
 456
 457         bio_s_out=NULL;
 458         s_debug=0;
 459         s_msg=0;
 460         s_quiet=0;
 461         hack=0;
 462 #ifndef OPENSSL_NO_ENGINE
 463         engine_id=NULL;
 464 #endif
 465         }
 466 #endif
 467
 468 static void sv_usage(void)
 469         {
 470         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 471         BIO_printf(bio_err,"\n");
 472         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 473         BIO_printf(bio_err," -context arg  - set session ID context\n");
 474         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 475         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 476         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 477         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 478         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 479         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 480                            "                 The CRL(s) are appended to the certificate file\n");
 481         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 482                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 483                            "                 the certificate file.\n");
 484         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 485         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 486         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 487         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 488         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 489         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 490         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 491         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 492         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 493         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 494         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 495         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 496 #ifndef OPENSSL_NO_ECDH
 497         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 498                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 499                            "                 (default is nistp256).\n");
 500 #endif
 501 #ifdef FIONBIO
 502         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 503 #endif
 504         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 505         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 506         BIO_printf(bio_err," -debug        - Print more output\n");
 507         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 508         BIO_printf(bio_err," -state        - Print the SSL states\n");
 509         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 510         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 511         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 512         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 513         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 514         BIO_printf(bio_err," -quiet        - No server output\n");
 515         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 516 #ifndef OPENSSL_NO_PSK
 517         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 518         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 519 # ifndef OPENSSL_NO_JPAKE
 520         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 521 # endif
 522 #endif
 523 #ifndef OPENSSL_NO_SRP
 524         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 525         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 526 #endif
 527         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 528         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 529         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 530         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 531         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 532         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 533         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 534         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 535         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 536         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 537         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 538         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 539         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 540         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 541 #ifndef OPENSSL_NO_DH
 542         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 543 #endif
 544 #ifndef OPENSSL_NO_ECDH
 545         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 546 #endif
 547         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 548         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 549         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 550         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 551         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 552 #ifndef OPENSSL_NO_ENGINE
 553         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 554 #endif
 555         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 556         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 557 #ifndef OPENSSL_NO_TLSEXT
 558         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 559         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 560         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 561         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 562         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 563         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 564         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 565         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 566         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 567 # ifndef OPENSSL_NO_NEXTPROTONEG
 568         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 569 # endif
 570         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 571 #endif
 572         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 573         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 574         }
 575
 576 static int local_argc=0;
 577 static char **local_argv;
 578
 579 #ifdef CHARSET_EBCDIC
 580 static int ebcdic_new(BIO *bi);
 581 static int ebcdic_free(BIO *a);
 582 static int ebcdic_read(BIO *b, char *out, int outl);
 583 static int ebcdic_write(BIO *b, const char *in, int inl);
 584 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 585 static int ebcdic_gets(BIO *bp, char *buf, int size);
 586 static int ebcdic_puts(BIO *bp, const char *str);
 587
 588 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 589 static BIO_METHOD methods_ebcdic=
 590         {
 591         BIO_TYPE_EBCDIC_FILTER,
 592         "EBCDIC/ASCII filter",
 593         ebcdic_write,
 594         ebcdic_read,
 595         ebcdic_puts,
 596         ebcdic_gets,
 597         ebcdic_ctrl,
 598         ebcdic_new,
 599         ebcdic_free,
 600         };
 601
 602 typedef struct
 603 {
 604         size_t  alloced;
 605         char    buff[1];
 606 } EBCDIC_OUTBUFF;
 607
 608 BIO_METHOD *BIO_f_ebcdic_filter()
 609 {
 610         return(&methods_ebcdic);
 611 }
 612
 613 static int ebcdic_new(BIO *bi)
 614 {
 615         EBCDIC_OUTBUFF *wbuf;
 616
 617         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 618         wbuf->alloced = 1024;
 619         wbuf->buff[0] = '\0';
 620
 621         bi->ptr=(char *)wbuf;
 622         bi->init=1;
 623         bi->flags=0;
 624         return(1);
 625 }
 626
 627 static int ebcdic_free(BIO *a)
 628 {
 629         if (a == NULL) return(0);
 630         if (a->ptr != NULL)
 631                 OPENSSL_free(a->ptr);
 632         a->ptr=NULL;
 633         a->init=0;
 634         a->flags=0;
 635         return(1);
 636 }
 637
 638 static int ebcdic_read(BIO *b, char *out, int outl)
 639 {
 640         int ret=0;
 641
 642         if (out == NULL || outl == 0) return(0);
 643         if (b->next_bio == NULL) return(0);
 644
 645         ret=BIO_read(b->next_bio,out,outl);
 646         if (ret > 0)
 647                 ascii2ebcdic(out,out,ret);
 648         return(ret);
 649 }
 650
 651 static int ebcdic_write(BIO *b, const char *in, int inl)
 652 {
 653         EBCDIC_OUTBUFF *wbuf;
 654         int ret=0;
 655         int num;
 656         unsigned char n;
 657
 658         if ((in == NULL) || (inl <= 0)) return(0);
 659         if (b->next_bio == NULL) return(0);
 660
 661         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 662
 663         if (inl > (num = wbuf->alloced))
 664         {
 665                 num = num + num;  /* double the size */
 666                 if (num < inl)
 667                         num = inl;
 668                 OPENSSL_free(wbuf);
 669                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 670
 671                 wbuf->alloced = num;
 672                 wbuf->buff[0] = '\0';
 673
 674                 b->ptr=(char *)wbuf;
 675         }
 676
 677         ebcdic2ascii(wbuf->buff, in, inl);
 678
 679         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 680
 681         return(ret);
 682 }
 683
 684 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 685 {
 686         long ret;
 687
 688         if (b->next_bio == NULL) return(0);
 689         switch (cmd)
 690         {
 691         case BIO_CTRL_DUP:
 692                 ret=0L;
 693                 break;
 694         default:
 695                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 696                 break;
 697         }
 698         return(ret);
 699 }
 700
 701 static int ebcdic_gets(BIO *bp, char *buf, int size)
 702 {
 703         int i, ret=0;
 704         if (bp->next_bio == NULL) return(0);
 705 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 706         for (i=0; i<size-1; ++i)
 707         {
 708                 ret = ebcdic_read(bp,&buf[i],1);
 709                 if (ret <= 0)
 710                         break;
 711                 else if (buf[i] == '\n')
 712                 {
 713                         ++i;
 714                         break;
 715                 }
 716         }
 717         if (i < size)
 718                 buf[i] = '\0';
 719         return (ret < 0 && i == 0) ? ret : i;
 720 }
 721
 722 static int ebcdic_puts(BIO *bp, const char *str)
 723 {
 724         if (bp->next_bio == NULL) return(0);
 725         return ebcdic_write(bp, str, strlen(str));
 726 }
 727 #endif
 728
 729 #ifndef OPENSSL_NO_TLSEXT
 730
 731 /* This is a context that we pass to callbacks */
 732 typedef struct tlsextctx_st {
 733    char * servername;
 734    BIO * biodebug;
 735    int extension_error;
 736 } tlsextctx;
 737
 738
 739 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 740         {
 741         tlsextctx * p = (tlsextctx *) arg;
 742         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 743         if (servername && p->biodebug)
 744                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 745
 746         if (!p->servername)
 747                 return SSL_TLSEXT_ERR_NOACK;
 748
 749         if (servername)
 750                 {
 751                 if (strcmp(servername,p->servername))
 752                         return p->extension_error;
 753                 if (ctx2)
 754                         {
 755                         BIO_printf(p->biodebug,"Switching server context.\n");
 756                         SSL_set_SSL_CTX(s,ctx2);
 757                         }
 758                 }
 759         return SSL_TLSEXT_ERR_OK;
 760 }
 761
 762 /* Structure passed to cert status callback */
 763
 764 typedef struct tlsextstatusctx_st {
 765    /* Default responder to use */
 766    char *host, *path, *port;
 767    int use_ssl;
 768    int timeout;
 769    BIO *err;
 770    int verbose;
 771 } tlsextstatusctx;
 772
 773 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 774
 775 /* Certificate Status callback. This is called when a client includes a
 776  * certificate status request extension.
 777  *
 778  * This is a simplified version. It examines certificates each time and
 779  * makes one OCSP responder query for each request.
 780  *
 781  * A full version would store details such as the OCSP certificate IDs and
 782  * minimise the number of OCSP responses by caching them until they were
 783  * considered "expired".
 784  */
 785
 786 static int cert_status_cb(SSL *s, void *arg)
 787         {
 788         tlsextstatusctx *srctx = arg;
 789         BIO *err = srctx->err;
 790         char *host, *port, *path;
 791         int use_ssl;
 792         unsigned char *rspder = NULL;
 793         int rspderlen;
 794         STACK_OF(OPENSSL_STRING) *aia = NULL;
 795         X509 *x = NULL;
 796         X509_STORE_CTX inctx;
 797         X509_OBJECT obj;
 798         OCSP_REQUEST *req = NULL;
 799         OCSP_RESPONSE *resp = NULL;
 800         OCSP_CERTID *id = NULL;
 801         STACK_OF(X509_EXTENSION) *exts;
 802         int ret = SSL_TLSEXT_ERR_NOACK;
 803         int i;
 804 #if 0
 805 STACK_OF(OCSP_RESPID) *ids;
 806 SSL_get_tlsext_status_ids(s, &ids);
 807 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 808 #endif
 809         if (srctx->verbose)
 810                 BIO_puts(err, "cert_status: callback called\n");
 811         /* Build up OCSP query from server certificate */
 812         x = SSL_get_certificate(s);
 813         aia = X509_get1_ocsp(x);
 814         if (aia)
 815                 {
 816                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 817                         &host, &port, &path, &use_ssl))
 818                         {
 819                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 820                         goto err;
 821                         }
 822                 if (srctx->verbose)
 823                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 824                                         sk_OPENSSL_STRING_value(aia, 0));
 825                 }
 826         else
 827                 {
 828                 if (!srctx->host)
 829                         {
 830                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 831                         goto done;
 832                         }
 833                 host = srctx->host;
 834                 path = srctx->path;
 835                 port = srctx->port;
 836                 use_ssl = srctx->use_ssl;
 837                 }
 838
 839         if (!X509_STORE_CTX_init(&inctx,
 840                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 841                                 NULL, NULL))
 842                 goto err;
 843         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 844                                 X509_get_issuer_name(x),&obj) <= 0)
 845                 {
 846                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 847                 X509_STORE_CTX_cleanup(&inctx);
 848                 goto done;
 849                 }
 850         req = OCSP_REQUEST_new();
 851         if (!req)
 852                 goto err;
 853         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 854         X509_free(obj.data.x509);
 855         X509_STORE_CTX_cleanup(&inctx);
 856         if (!id)
 857                 goto err;
 858         if (!OCSP_request_add0_id(req, id))
 859                 goto err;
 860         id = NULL;
 861         /* Add any extensions to the request */
 862         SSL_get_tlsext_status_exts(s, &exts);
 863         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 864                 {
 865                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 866                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 867                         goto err;
 868                 }
 869         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 870                                         srctx->timeout);
 871         if (!resp)
 872                 {
 873                 BIO_puts(err, "cert_status: error querying responder\n");
 874                 goto done;
 875                 }
 876         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 877         if (rspderlen <= 0)
 878                 goto err;
 879         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 880         if (srctx->verbose)
 881                 {
 882                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 883                 OCSP_RESPONSE_print(err, resp, 2);
 884                 }
 885         ret = SSL_TLSEXT_ERR_OK;
 886         done:
 887         if (ret != SSL_TLSEXT_ERR_OK)
 888                 ERR_print_errors(err);
 889         if (aia)
 890                 {
 891                 OPENSSL_free(host);
 892                 OPENSSL_free(path);
 893                 OPENSSL_free(port);
 894                 X509_email_free(aia);
 895                 }
 896         if (id)
 897                 OCSP_CERTID_free(id);
 898         if (req)
 899                 OCSP_REQUEST_free(req);
 900         if (resp)
 901                 OCSP_RESPONSE_free(resp);
 902         return ret;
 903         err:
 904         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 905         goto done;
 906         }
 907
 908 # ifndef OPENSSL_NO_NEXTPROTONEG
 909 /* This is the context that we pass to next_proto_cb */
 910 typedef struct tlsextnextprotoctx_st {
 911         unsigned char *data;
 912         unsigned int len;
 913 } tlsextnextprotoctx;
 914
 915 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 916         {
 917         tlsextnextprotoctx *next_proto = arg;
 918
 919         *data = next_proto->data;
 920         *len = next_proto->len;
 921
 922         return SSL_TLSEXT_ERR_OK;
 923         }
 924 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 925
 926
 927 #endif
 928
 929 int MAIN(int, char **);
 930
 931 #ifndef OPENSSL_NO_JPAKE
 932 static char *jpake_secret = NULL;
 933 #endif
 934 #ifndef OPENSSL_NO_SRP
 935         static srpsrvparm srp_callback_parm;
 936 #endif
 937 static char *srtp_profiles = NULL;
 938
 939 int MAIN(int argc, char *argv[])
 940         {
 941         X509_VERIFY_PARAM *vpm = NULL;
 942         int badarg = 0;
 943         short port=PORT;
 944         char *CApath=NULL,*CAfile=NULL;
 945         unsigned char *context = NULL;
 946         char *dhfile = NULL;
 947 #ifndef OPENSSL_NO_ECDH
 948         char *named_curve = NULL;
 949 #endif
 950         int badop=0,bugs=0;
 951         int ret=1;
 952         int off=0;
 953         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 954         int state=0;
 955         const SSL_METHOD *meth=NULL;
 956         int socket_type=SOCK_STREAM;
 957         ENGINE *e=NULL;
 958         char *inrand=NULL;
 959         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 960         char *passarg = NULL, *pass = NULL;
 961         char *dpassarg = NULL, *dpass = NULL;
 962         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 963         X509 *s_cert = NULL, *s_dcert = NULL;
 964         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 965         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 966         int no_cache = 0;
 967 #ifndef OPENSSL_NO_TLSEXT
 968         EVP_PKEY *s_key2 = NULL;
 969         X509 *s_cert2 = NULL;
 970         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 971 # ifndef OPENSSL_NO_NEXTPROTONEG
 972         const char *next_proto_neg_in = NULL;
 973         tlsextnextprotoctx next_proto;
 974 # endif
 975 #endif
 976 #ifndef OPENSSL_NO_PSK
 977         /* by default do not send a PSK identity hint */
 978         static char *psk_identity_hint=NULL;
 979 #endif
 980 #ifndef OPENSSL_NO_SRP
 981         char *srpuserseed = NULL;
 982         char *srp_verifier_file = NULL;
 983 #endif
 984         meth=SSLv23_server_method();
 985
 986         local_argc=argc;
 987         local_argv=argv;
 988
 989         apps_startup();
 990 #ifdef MONOLITH
 991         s_server_init();
 992 #endif
 993
 994         if (bio_err == NULL)
 995                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 996
 997         if (!load_config(bio_err, NULL))
 998                 goto end;
 999
1000         verify_depth=0;
1001 #ifdef FIONBIO
1002         s_nbio=0;
1003 #endif
1004         s_nbio_test=0;
1005
1006         argc--;
1007         argv++;
1008
1009         while (argc >= 1)
1010                 {
1011                 if      ((strcmp(*argv,"-port") == 0) ||
1012                          (strcmp(*argv,"-accept") == 0))
1013                         {
1014                         if (--argc < 1) goto bad;
1015                         if (!extract_port(*(++argv),&port))
1016                                 goto bad;
1017                         }
1018                 else if (strcmp(*argv,"-verify") == 0)
1019                         {
1020                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1021                         if (--argc < 1) goto bad;
1022                         verify_depth=atoi(*(++argv));
1023                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1024                         }
1025                 else if (strcmp(*argv,"-Verify") == 0)
1026                         {
1027                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1028                                 SSL_VERIFY_CLIENT_ONCE;
1029                         if (--argc < 1) goto bad;
1030                         verify_depth=atoi(*(++argv));
1031                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1032                         }
1033                 else if (strcmp(*argv,"-context") == 0)
1034                         {
1035                         if (--argc < 1) goto bad;
1036                         context= (unsigned char *)*(++argv);
1037                         }
1038                 else if (strcmp(*argv,"-cert") == 0)
1039                         {
1040                         if (--argc < 1) goto bad;
1041                         s_cert_file= *(++argv);
1042                         }
1043 #ifndef OPENSSL_NO_TLSEXT
1044                 else if (strcmp(*argv,"-authz") == 0)
1045                         {
1046                         if (--argc < 1) goto bad;
1047                         s_authz_file = *(++argv);
1048                         }
1049 #endif
1050                 else if (strcmp(*argv,"-certform") == 0)
1051                         {
1052                         if (--argc < 1) goto bad;
1053                         s_cert_format = str2fmt(*(++argv));
1054                         }
1055                 else if (strcmp(*argv,"-key") == 0)
1056                         {
1057                         if (--argc < 1) goto bad;
1058                         s_key_file= *(++argv);
1059                         }
1060                 else if (strcmp(*argv,"-keyform") == 0)
1061                         {
1062                         if (--argc < 1) goto bad;
1063                         s_key_format = str2fmt(*(++argv));
1064                         }
1065                 else if (strcmp(*argv,"-pass") == 0)
1066                         {
1067                         if (--argc < 1) goto bad;
1068                         passarg = *(++argv);
1069                         }
1070                 else if (strcmp(*argv,"-cert_chain") == 0)
1071                         {
1072                         if (--argc < 1) goto bad;
1073                         s_chain_file= *(++argv);
1074                         }
1075                 else if (strcmp(*argv,"-dhparam") == 0)
1076                         {
1077                         if (--argc < 1) goto bad;
1078                         dhfile = *(++argv);
1079                         }
1080 #ifndef OPENSSL_NO_ECDH
1081                 else if (strcmp(*argv,"-named_curve") == 0)
1082                         {
1083                         if (--argc < 1) goto bad;
1084                         named_curve = *(++argv);
1085                         }
1086 #endif
1087                 else if (strcmp(*argv,"-dcertform") == 0)
1088                         {
1089                         if (--argc < 1) goto bad;
1090                         s_dcert_format = str2fmt(*(++argv));
1091                         }
1092                 else if (strcmp(*argv,"-dcert") == 0)
1093                         {
1094                         if (--argc < 1) goto bad;
1095                         s_dcert_file= *(++argv);
1096                         }
1097                 else if (strcmp(*argv,"-dkeyform") == 0)
1098                         {
1099                         if (--argc < 1) goto bad;
1100                         s_dkey_format = str2fmt(*(++argv));
1101                         }
1102                 else if (strcmp(*argv,"-dpass") == 0)
1103                         {
1104                         if (--argc < 1) goto bad;
1105                         dpassarg = *(++argv);
1106                         }
1107                 else if (strcmp(*argv,"-dkey") == 0)
1108                         {
1109                         if (--argc < 1) goto bad;
1110                         s_dkey_file= *(++argv);
1111                         }
1112                 else if (strcmp(*argv,"-dcert_chain") == 0)
1113                         {
1114                         if (--argc < 1) goto bad;
1115                         s_dchain_file= *(++argv);
1116                         }
1117                 else if (strcmp(*argv,"-nocert") == 0)
1118                         {
1119                         nocert=1;
1120                         }
1121                 else if (strcmp(*argv,"-CApath") == 0)
1122                         {
1123                         if (--argc < 1) goto bad;
1124                         CApath= *(++argv);
1125                         }
1126                 else if (strcmp(*argv,"-no_cache") == 0)
1127                         no_cache = 1;
1128                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1129                         {
1130                         if (badarg)
1131                                 goto bad;
1132                         continue;
1133                         }
1134                 else if (strcmp(*argv,"-verify_return_error") == 0)
1135                         verify_return_error = 1;
1136                 else if (strcmp(*argv,"-serverpref") == 0)
1137                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1138                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1139                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1140                 else if (strcmp(*argv,"-cipher") == 0)
1141                         {
1142                         if (--argc < 1) goto bad;
1143                         cipher= *(++argv);
1144                         }
1145                 else if (strcmp(*argv,"-CAfile") == 0)
1146                         {
1147                         if (--argc < 1) goto bad;
1148                         CAfile= *(++argv);
1149                         }
1150 #ifdef FIONBIO
1151                 else if (strcmp(*argv,"-nbio") == 0)
1152                         { s_nbio=1; }
1153 #endif
1154                 else if (strcmp(*argv,"-nbio_test") == 0)
1155                         {
1156 #ifdef FIONBIO
1157                         s_nbio=1;
1158 #endif
1159                         s_nbio_test=1;
1160                         }
1161                 else if (strcmp(*argv,"-debug") == 0)
1162                         { s_debug=1; }
1163 #ifndef OPENSSL_NO_TLSEXT
1164                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1165                         s_tlsextdebug=1;
1166                 else if (strcmp(*argv,"-status") == 0)
1167                         s_tlsextstatus=1;
1168                 else if (strcmp(*argv,"-status_verbose") == 0)
1169                         {
1170                         s_tlsextstatus=1;
1171                         tlscstatp.verbose = 1;
1172                         }
1173                 else if (!strcmp(*argv, "-status_timeout"))
1174                         {
1175                         s_tlsextstatus=1;
1176                         if (--argc < 1) goto bad;
1177                         tlscstatp.timeout = atoi(*(++argv));
1178                         }
1179                 else if (!strcmp(*argv, "-status_url"))
1180                         {
1181                         s_tlsextstatus=1;
1182                         if (--argc < 1) goto bad;
1183                         if (!OCSP_parse_url(*(++argv),
1184                                         &tlscstatp.host,
1185                                         &tlscstatp.port,
1186                                         &tlscstatp.path,
1187                                         &tlscstatp.use_ssl))
1188                                 {
1189                                 BIO_printf(bio_err, "Error parsing URL\n");
1190                                 goto bad;
1191                                 }
1192                         }
1193                 else if (strcmp(*argv,"-curves") == 0)
1194                         {
1195                         if (--argc < 1) goto bad;
1196                         curves= *(++argv);
1197                         }
1198 #endif
1199                 else if (strcmp(*argv,"-msg") == 0)
1200                         { s_msg=1; }
1201                 else if (strcmp(*argv,"-hack") == 0)
1202                         { hack=1; }
1203                 else if (strcmp(*argv,"-state") == 0)
1204                         { state=1; }
1205                 else if (strcmp(*argv,"-crlf") == 0)
1206                         { s_crlf=1; }
1207                 else if (strcmp(*argv,"-quiet") == 0)
1208                         { s_quiet=1; }
1209                 else if (strcmp(*argv,"-bugs") == 0)
1210                         { bugs=1; }
1211                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1212                         { no_tmp_rsa=1; }
1213                 else if (strcmp(*argv,"-no_dhe") == 0)
1214                         { no_dhe=1; }
1215                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1216                         { no_ecdhe=1; }
1217 #ifndef OPENSSL_NO_PSK
1218                 else if (strcmp(*argv,"-psk_hint") == 0)
1219                         {
1220                         if (--argc < 1) goto bad;
1221                         psk_identity_hint= *(++argv);
1222                         }
1223                 else if (strcmp(*argv,"-psk") == 0)
1224                         {
1225                         size_t i;
1226
1227                         if (--argc < 1) goto bad;
1228                         psk_key=*(++argv);
1229                         for (i=0; i<strlen(psk_key); i++)
1230                                 {
1231                                 if (isxdigit((unsigned char)psk_key[i]))
1232                                         continue;
1233                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1234                                 goto bad;
1235                                 }
1236                         }
1237 #endif
1238 #ifndef OPENSSL_NO_SRP
1239                 else if (strcmp(*argv, "-srpvfile") == 0)
1240                         {
1241                         if (--argc < 1) goto bad;
1242                         srp_verifier_file = *(++argv);
1243                         meth = TLSv1_server_method();
1244                         }
1245                 else if (strcmp(*argv, "-srpuserseed") == 0)
1246                         {
1247                         if (--argc < 1) goto bad;
1248                         srpuserseed = *(++argv);
1249                         meth = TLSv1_server_method();
1250                         }
1251 #endif
1252                 else if (strcmp(*argv,"-www") == 0)
1253                         { www=1; }
1254                 else if (strcmp(*argv,"-WWW") == 0)
1255                         { www=2; }
1256                 else if (strcmp(*argv,"-HTTP") == 0)
1257                         { www=3; }
1258                 else if (strcmp(*argv,"-no_ssl2") == 0)
1259                         { off|=SSL_OP_NO_SSLv2; }
1260                 else if (strcmp(*argv,"-no_ssl3") == 0)
1261                         { off|=SSL_OP_NO_SSLv3; }
1262                 else if (strcmp(*argv,"-no_tls1") == 0)
1263                         { off|=SSL_OP_NO_TLSv1; }
1264                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1265                         { off|=SSL_OP_NO_TLSv1_1; }
1266                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1267                         { off|=SSL_OP_NO_TLSv1_2; }
1268                 else if (strcmp(*argv,"-no_comp") == 0)
1269                         { off|=SSL_OP_NO_COMPRESSION; }
1270 #ifndef OPENSSL_NO_TLSEXT
1271                 else if (strcmp(*argv,"-no_ticket") == 0)
1272                         { off|=SSL_OP_NO_TICKET; }
1273 #endif
1274 #ifndef OPENSSL_NO_SSL2
1275                 else if (strcmp(*argv,"-ssl2") == 0)
1276                         { meth=SSLv2_server_method(); }
1277 #endif
1278 #ifndef OPENSSL_NO_SSL3
1279                 else if (strcmp(*argv,"-ssl3") == 0)
1280                         { meth=SSLv3_server_method(); }
1281 #endif
1282 #ifndef OPENSSL_NO_TLS1
1283                 else if (strcmp(*argv,"-tls1") == 0)
1284                         { meth=TLSv1_server_method(); }
1285                 else if (strcmp(*argv,"-tls1_1") == 0)
1286                         { meth=TLSv1_1_server_method(); }
1287                 else if (strcmp(*argv,"-tls1_2") == 0)
1288                         { meth=TLSv1_2_server_method(); }
1289 #endif
1290 #ifndef OPENSSL_NO_DTLS1
1291                 else if (strcmp(*argv,"-dtls1") == 0)
1292                         {
1293                         meth=DTLSv1_server_method();
1294                         socket_type = SOCK_DGRAM;
1295                         }
1296                 else if (strcmp(*argv,"-timeout") == 0)
1297                         enable_timeouts = 1;
1298                 else if (strcmp(*argv,"-mtu") == 0)
1299                         {
1300                         if (--argc < 1) goto bad;
1301                         socket_mtu = atol(*(++argv));
1302                         }
1303                 else if (strcmp(*argv, "-chain") == 0)
1304                         cert_chain = 1;
1305 #endif
1306                 else if (strcmp(*argv, "-id_prefix") == 0)
1307                         {
1308                         if (--argc < 1) goto bad;
1309                         session_id_prefix = *(++argv);
1310                         }
1311 #ifndef OPENSSL_NO_ENGINE
1312                 else if (strcmp(*argv,"-engine") == 0)
1313                         {
1314                         if (--argc < 1) goto bad;
1315                         engine_id= *(++argv);
1316                         }
1317 #endif
1318                 else if (strcmp(*argv,"-rand") == 0)
1319                         {
1320                         if (--argc < 1) goto bad;
1321                         inrand= *(++argv);
1322                         }
1323 #ifndef OPENSSL_NO_TLSEXT
1324                 else if (strcmp(*argv,"-servername") == 0)
1325                         {
1326                         if (--argc < 1) goto bad;
1327                         tlsextcbp.servername= *(++argv);
1328                         }
1329                 else if (strcmp(*argv,"-servername_fatal") == 0)
1330                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1331                 else if (strcmp(*argv,"-cert2") == 0)
1332                         {
1333                         if (--argc < 1) goto bad;
1334                         s_cert_file2= *(++argv);
1335                         }
1336                 else if (strcmp(*argv,"-key2") == 0)
1337                         {
1338                         if (--argc < 1) goto bad;
1339                         s_key_file2= *(++argv);
1340                         }
1341 # ifndef OPENSSL_NO_NEXTPROTONEG
1342                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1343                         {
1344                         if (--argc < 1) goto bad;
1345                         next_proto_neg_in = *(++argv);
1346                         }
1347 # endif
1348 #endif
1349 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1350                 else if (strcmp(*argv,"-jpake") == 0)
1351                         {
1352                         if (--argc < 1) goto bad;
1353                         jpake_secret = *(++argv);
1354                         }
1355 #endif
1356                 else if (strcmp(*argv,"-use_srtp") == 0)
1357                         {
1358                         if (--argc < 1) goto bad;
1359                         srtp_profiles = *(++argv);
1360                         }
1361                 else if (strcmp(*argv,"-keymatexport") == 0)
1362                         {
1363                         if (--argc < 1) goto bad;
1364                         keymatexportlabel= *(++argv);
1365                         }
1366                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1367                         {
1368                         if (--argc < 1) goto bad;
1369                         keymatexportlen=atoi(*(++argv));
1370                         if (keymatexportlen == 0) goto bad;
1371                         }
1372                 else
1373                         {
1374                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1375                         badop=1;
1376                         break;
1377                         }
1378                 argc--;
1379                 argv++;
1380                 }
1381         if (badop)
1382                 {
1383 bad:
1384                 sv_usage();
1385                 goto end;
1386                 }
1387
1388 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1389         if (jpake_secret)
1390                 {
1391                 if (psk_key)
1392                         {
1393                         BIO_printf(bio_err,
1394                                    "Can't use JPAKE and PSK together\n");
1395                         goto end;
1396                         }
1397                 psk_identity = "JPAKE";
1398                 if (cipher)
1399                         {
1400                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1401                         goto end;
1402                         }
1403                 cipher = "PSK";
1404                 }
1405
1406 #endif
1407
1408         SSL_load_error_strings();
1409         OpenSSL_add_ssl_algorithms();
1410
1411 #ifndef OPENSSL_NO_ENGINE
1412         e = setup_engine(bio_err, engine_id, 1);
1413 #endif
1414
1415         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1416                 {
1417                 BIO_printf(bio_err, "Error getting password\n");
1418                 goto end;
1419                 }
1420
1421
1422         if (s_key_file == NULL)
1423                 s_key_file = s_cert_file;
1424 #ifndef OPENSSL_NO_TLSEXT
1425         if (s_key_file2 == NULL)
1426                 s_key_file2 = s_cert_file2;
1427 #endif
1428
1429         if (nocert == 0)
1430                 {
1431                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1432                        "server certificate private key file");
1433                 if (!s_key)
1434                         {
1435                         ERR_print_errors(bio_err);
1436                         goto end;
1437                         }
1438
1439                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1440                         NULL, e, "server certificate file");
1441
1442                 if (!s_cert)
1443                         {
1444                         ERR_print_errors(bio_err);
1445                         goto end;
1446                         }
1447                 if (s_chain_file)
1448                         {
1449                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1450                                         NULL, e, "server certificate chain");
1451                         if (!s_chain)
1452                                 goto end;
1453                         }
1454
1455 #ifndef OPENSSL_NO_TLSEXT
1456                 if (tlsextcbp.servername)
1457                         {
1458                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1459                                 "second server certificate private key file");
1460                         if (!s_key2)
1461                                 {
1462                                 ERR_print_errors(bio_err);
1463                                 goto end;
1464                                 }
1465
1466                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1467                                 NULL, e, "second server certificate file");
1468
1469                         if (!s_cert2)
1470                                 {
1471                                 ERR_print_errors(bio_err);
1472                                 goto end;
1473                                 }
1474                         }
1475
1476 # ifndef OPENSSL_NO_NEXTPROTONEG
1477                 if (next_proto_neg_in)
1478                         {
1479                         unsigned short len;
1480                         next_proto.data = next_protos_parse(&len,
1481                                 next_proto_neg_in);
1482                         if (next_proto.data == NULL)
1483                                 goto end;
1484                         next_proto.len = len;
1485                         }
1486                 else
1487                         {
1488                         next_proto.data = NULL;
1489                         }
1490 # endif
1491                 if (s_authz_file != NULL)
1492                         {
1493                         /* Allow authzs up to 64KB bytes. */
1494                         static const size_t authz_limit = 65536;
1495
1496                         authz_in = BIO_new(BIO_s_file_internal());
1497                         if (authz_in == NULL)
1498                                 {
1499                                 ERR_print_errors(bio_err);
1500                                 goto end;
1501                                 }
1502
1503                         if (BIO_read_filename(authz_in, s_authz_file) <= 0)
1504                                 {
1505                                 ERR_print_errors(bio_err);
1506                                 goto end;
1507                                 }
1508                         authz = OPENSSL_malloc(authz_limit);
1509                         authz_length = BIO_read(authz_in, authz, authz_limit);
1510                         if (authz_length == authz_limit || authz_length <= 0)
1511                                 {
1512                                 BIO_printf(bio_err, "authz too large\n");
1513                                 goto end;
1514                                 }
1515                         BIO_free(authz_in);
1516                         authz_in = NULL;
1517                         }
1518 #endif /* OPENSSL_NO_TLSEXT */
1519                 }
1520
1521
1522         if (s_dcert_file)
1523                 {
1524
1525                 if (s_dkey_file == NULL)
1526                         s_dkey_file = s_dcert_file;
1527
1528                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1529                                 0, dpass, e,
1530                                "second certificate private key file");
1531                 if (!s_dkey)
1532                         {
1533                         ERR_print_errors(bio_err);
1534                         goto end;
1535                         }
1536
1537                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1538                                 NULL, e, "second server certificate file");
1539
1540                 if (!s_dcert)
1541                         {
1542                         ERR_print_errors(bio_err);
1543                         goto end;
1544                         }
1545                 if (s_dchain_file)
1546                         {
1547                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1548                                 NULL, e, "second server certificate chain");
1549                         if (!s_dchain)
1550                                 goto end;
1551                         }
1552
1553                 }
1554
1555         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1556                 && !RAND_status())
1557                 {
1558                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1559                 }
1560         if (inrand != NULL)
1561                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1562                         app_RAND_load_files(inrand));
1563
1564         if (bio_s_out == NULL)
1565                 {
1566                 if (s_quiet && !s_debug && !s_msg)
1567                         {
1568                         bio_s_out=BIO_new(BIO_s_null());
1569                         }
1570                 else
1571                         {
1572                         if (bio_s_out == NULL)
1573                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1574                         }
1575                 }
1576
1577 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1578         if (nocert)
1579 #endif
1580                 {
1581                 s_cert_file=NULL;
1582                 s_key_file=NULL;
1583                 s_dcert_file=NULL;
1584                 s_dkey_file=NULL;
1585 #ifndef OPENSSL_NO_TLSEXT
1586                 s_cert_file2=NULL;
1587                 s_key_file2=NULL;
1588 #endif
1589                 }
1590
1591         ctx=SSL_CTX_new(meth);
1592         if (ctx == NULL)
1593                 {
1594                 ERR_print_errors(bio_err);
1595                 goto end;
1596                 }
1597         if (session_id_prefix)
1598                 {
1599                 if(strlen(session_id_prefix) >= 32)
1600                         BIO_printf(bio_err,
1601 "warning: id_prefix is too long, only one new session will be possible\n");
1602                 else if(strlen(session_id_prefix) >= 16)
1603                         BIO_printf(bio_err,
1604 "warning: id_prefix is too long if you use SSLv2\n");
1605                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1606                         {
1607                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1608                         ERR_print_errors(bio_err);
1609                         goto end;
1610                         }
1611                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1612                 }
1613         SSL_CTX_set_quiet_shutdown(ctx,1);
1614         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1615         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1616         SSL_CTX_set_options(ctx,off);
1617         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1618          * Setting read ahead solves this problem.
1619          */
1620         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1621
1622         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1623         if (no_cache)
1624                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1625         else
1626                 SSL_CTX_sess_set_cache_size(ctx,128);
1627
1628         if (srtp_profiles != NULL)
1629                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1630
1631 #if 0
1632         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1633 #endif
1634
1635 #if 0
1636         if (s_cert_file == NULL)
1637                 {
1638                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1639                 goto end;
1640                 }
1641 #endif
1642
1643         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1644                 (!SSL_CTX_set_default_verify_paths(ctx)))
1645                 {
1646                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1647                 ERR_print_errors(bio_err);
1648                 /* goto end; */
1649                 }
1650         if (vpm)
1651                 SSL_CTX_set1_param(ctx, vpm);
1652
1653 #ifndef OPENSSL_NO_TLSEXT
1654         if (s_cert2)
1655                 {
1656                 ctx2=SSL_CTX_new(meth);
1657                 if (ctx2 == NULL)
1658                         {
1659                         ERR_print_errors(bio_err);
1660                         goto end;
1661                         }
1662                 }
1663
1664         if (ctx2)
1665                 {
1666                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1667
1668                 if (session_id_prefix)
1669                         {
1670                         if(strlen(session_id_prefix) >= 32)
1671                                 BIO_printf(bio_err,
1672                                         "warning: id_prefix is too long, only one new session will be possible\n");
1673                         else if(strlen(session_id_prefix) >= 16)
1674                                 BIO_printf(bio_err,
1675                                         "warning: id_prefix is too long if you use SSLv2\n");
1676                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1677                                 {
1678                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1679                                 ERR_print_errors(bio_err);
1680                                 goto end;
1681                                 }
1682                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1683                         }
1684                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1685                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1686                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1687                 SSL_CTX_set_options(ctx2,off);
1688                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1689                  * Setting read ahead solves this problem.
1690                  */
1691                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1692
1693                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1694
1695                 if (no_cache)
1696                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1697                 else
1698                         SSL_CTX_sess_set_cache_size(ctx2,128);
1699
1700                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1701                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1702                         {
1703                         ERR_print_errors(bio_err);
1704                         }
1705                 if (vpm)
1706                         SSL_CTX_set1_param(ctx2, vpm);
1707                 }
1708
1709 # ifndef OPENSSL_NO_NEXTPROTONEG
1710         if (next_proto.data)
1711                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1712 # endif
1713 #endif
1714
1715 #ifndef OPENSSL_NO_DH
1716         if (!no_dhe)
1717                 {
1718                 DH *dh=NULL;
1719
1720                 if (dhfile)
1721                         dh = load_dh_param(dhfile);
1722                 else if (s_cert_file)
1723                         dh = load_dh_param(s_cert_file);
1724
1725                 if (dh != NULL)
1726                         {
1727                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1728                         }
1729                 else
1730                         {
1731                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1732                         dh=get_dh512();
1733                         }
1734                 (void)BIO_flush(bio_s_out);
1735
1736                 SSL_CTX_set_tmp_dh(ctx,dh);
1737 #ifndef OPENSSL_NO_TLSEXT
1738                 if (ctx2)
1739                         {
1740                         if (!dhfile)
1741                                 {
1742                                 DH *dh2=load_dh_param(s_cert_file2);
1743                                 if (dh2 != NULL)
1744                                         {
1745                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1746                                         (void)BIO_flush(bio_s_out);
1747
1748                                         DH_free(dh);
1749                                         dh = dh2;
1750                                         }
1751                                 }
1752                         SSL_CTX_set_tmp_dh(ctx2,dh);
1753                         }
1754 #endif
1755                 DH_free(dh);
1756                 }
1757 #endif
1758
1759 #ifndef OPENSSL_NO_ECDH
1760         if (!no_ecdhe)
1761                 {
1762                 EC_KEY *ecdh=NULL;
1763
1764                 if (named_curve && strcmp(named_curve, "auto"))
1765                         {
1766                         int nid = EC_curve_nist2nid(named_curve);
1767                         if (nid == NID_undef)
1768                                 nid = OBJ_sn2nid(named_curve);
1769                         if (nid == 0)
1770                                 {
1771                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1772                                         named_curve);
1773                                 goto end;
1774                                 }
1775                         ecdh = EC_KEY_new_by_curve_name(nid);
1776                         if (ecdh == NULL)
1777                                 {
1778                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1779                                         named_curve);
1780                                 goto end;
1781                                 }
1782                         }
1783
1784                 if (ecdh != NULL)
1785                         {
1786                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1787                         }
1788                 else if (named_curve)
1789                         SSL_CTX_set_ecdh_auto(ctx, 1);
1790                 else
1791                         {
1792                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1793                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1794                         if (ecdh == NULL)
1795                                 {
1796                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1797                                 goto end;
1798                                 }
1799                         }
1800                 (void)BIO_flush(bio_s_out);
1801
1802                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1803 #ifndef OPENSSL_NO_TLSEXT
1804                 if (ctx2)
1805                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1806 #endif
1807                 EC_KEY_free(ecdh);
1808                 }
1809 #endif
1810
1811         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1812                 goto end;
1813 #ifndef OPENSSL_NO_TLSEXT
1814         if (authz != NULL && !SSL_CTX_use_authz(ctx, authz, authz_length))
1815                 goto end;
1816 #endif
1817 #ifndef OPENSSL_NO_TLSEXT
1818         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1819                 goto end;
1820 #endif
1821         if (s_dcert != NULL)
1822                 {
1823                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1824                         goto end;
1825                 }
1826
1827 #ifndef OPENSSL_NO_RSA
1828 #if 1
1829         if (!no_tmp_rsa)
1830                 {
1831                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1832 #ifndef OPENSSL_NO_TLSEXT
1833                 if (ctx2)
1834                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1835 #endif
1836                 }
1837 #else
1838         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1839                 {
1840                 RSA *rsa;
1841
1842                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1843                 BIO_flush(bio_s_out);
1844
1845                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1846
1847                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1848                         {
1849                         ERR_print_errors(bio_err);
1850                         goto end;
1851                         }
1852 #ifndef OPENSSL_NO_TLSEXT
1853                         if (ctx2)
1854                                 {
1855                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1856                                         {
1857                                         ERR_print_errors(bio_err);
1858                                         goto end;
1859                                         }
1860                                 }
1861 #endif
1862                 RSA_free(rsa);
1863                 BIO_printf(bio_s_out,"\n");
1864                 }
1865 #endif
1866 #endif
1867
1868 #ifndef OPENSSL_NO_PSK
1869 #ifdef OPENSSL_NO_JPAKE
1870         if (psk_key != NULL)
1871 #else
1872         if (psk_key != NULL || jpake_secret)
1873 #endif
1874                 {
1875                 if (s_debug)
1876                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1877                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1878                 }
1879
1880         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1881                 {
1882                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1883                 ERR_print_errors(bio_err);
1884                 goto end;
1885                 }
1886 #endif
1887
1888         if (cipher != NULL)
1889                 {
1890                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1891                         {
1892                         BIO_printf(bio_err,"error setting cipher list\n");
1893                         ERR_print_errors(bio_err);
1894                         goto end;
1895                         }
1896 #ifndef OPENSSL_NO_TLSEXT
1897                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1898                         {
1899                         BIO_printf(bio_err,"error setting cipher list\n");
1900                         ERR_print_errors(bio_err);
1901                         goto end;
1902                         }
1903 #endif
1904                 }
1905 #ifndef OPENSSL_NO_TLSEXT
1906         if (curves)
1907                 {
1908                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1909                         {
1910                         BIO_printf(bio_err,"error setting curves list\n");
1911                         ERR_print_errors(bio_err);
1912                         goto end;
1913                         }
1914                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1915                         {
1916                         BIO_printf(bio_err,"error setting curves list\n");
1917                         ERR_print_errors(bio_err);
1918                         goto end;
1919                         }
1920                 }
1921 #endif
1922         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1923         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1924                 sizeof s_server_session_id_context);
1925
1926         /* Set DTLS cookie generation and verification callbacks */
1927         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1928         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1929
1930 #ifndef OPENSSL_NO_TLSEXT
1931         if (ctx2)
1932                 {
1933                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1934                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1935                         sizeof s_server_session_id_context);
1936
1937                 tlsextcbp.biodebug = bio_s_out;
1938                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1939                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1940                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1941                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1942                 }
1943 #endif
1944
1945 #ifndef OPENSSL_NO_SRP
1946         if (srp_verifier_file != NULL)
1947                 {
1948                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1949                 srp_callback_parm.user = NULL;
1950                 srp_callback_parm.login = NULL;
1951                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1952                         {
1953                         BIO_printf(bio_err,
1954                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1955                                    srp_verifier_file, ret);
1956                                 goto end;
1957                         }
1958                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1959                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1960                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1961                 }
1962         else
1963 #endif
1964         if (CAfile != NULL)
1965                 {
1966                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1967 #ifndef OPENSSL_NO_TLSEXT
1968                 if (ctx2)
1969                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1970 #endif
1971                 }
1972
1973         BIO_printf(bio_s_out,"ACCEPT\n");
1974         (void)BIO_flush(bio_s_out);
1975         if (www)
1976                 do_server(port,socket_type,&accept_socket,www_body, context);
1977         else
1978                 do_server(port,socket_type,&accept_socket,sv_body, context);
1979         print_stats(bio_s_out,ctx);
1980         ret=0;
1981 end:
1982         if (ctx != NULL) SSL_CTX_free(ctx);
1983         if (s_cert)
1984                 X509_free(s_cert);
1985         if (s_dcert)
1986                 X509_free(s_dcert);
1987         if (s_key)
1988                 EVP_PKEY_free(s_key);
1989         if (s_dkey)
1990                 EVP_PKEY_free(s_dkey);
1991         if (pass)
1992                 OPENSSL_free(pass);
1993         if (dpass)
1994                 OPENSSL_free(dpass);
1995 #ifndef OPENSSL_NO_TLSEXT
1996         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1997         if (s_cert2)
1998                 X509_free(s_cert2);
1999         if (s_key2)
2000                 EVP_PKEY_free(s_key2);
2001         if (authz != NULL)
2002                 OPENSSL_free(authz);
2003         if (authz_in != NULL)
2004                 BIO_free(authz_in);
2005 #endif
2006         if (bio_s_out != NULL)
2007                 {
2008         BIO_free(bio_s_out);
2009                 bio_s_out=NULL;
2010                 }
2011         apps_shutdown();
2012         OPENSSL_EXIT(ret);
2013         }
2014
2015 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2016         {
2017         BIO_printf(bio,"%4ld items in the session cache\n",
2018                 SSL_CTX_sess_number(ssl_ctx));
2019         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2020                 SSL_CTX_sess_connect(ssl_ctx));
2021         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2022                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2023         BIO_printf(bio,"%4ld client connects that finished\n",
2024                 SSL_CTX_sess_connect_good(ssl_ctx));
2025         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2026                 SSL_CTX_sess_accept(ssl_ctx));
2027         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2028                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2029         BIO_printf(bio,"%4ld server accepts that finished\n",
2030                 SSL_CTX_sess_accept_good(ssl_ctx));
2031         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2032         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2033         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2034         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2035         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2036                 SSL_CTX_sess_cache_full(ssl_ctx),
2037                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2038         }
2039
2040 static int sv_body(char *hostname, int s, unsigned char *context)
2041         {
2042         char *buf=NULL;
2043         fd_set readfds;
2044         int ret=1,width;
2045         int k,i;
2046         unsigned long l;
2047         SSL *con=NULL;
2048         BIO *sbio;
2049 #ifndef OPENSSL_NO_KRB5
2050         KSSL_CTX *kctx;
2051 #endif
2052         struct timeval timeout;
2053 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2054         struct timeval tv;
2055 #else
2056         struct timeval *timeoutp;
2057 #endif
2058
2059         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2060                 {
2061                 BIO_printf(bio_err,"out of memory\n");
2062                 goto err;
2063                 }
2064 #ifdef FIONBIO
2065         if (s_nbio)
2066                 {
2067                 unsigned long sl=1;
2068
2069                 if (!s_quiet)
2070                         BIO_printf(bio_err,"turning on non blocking io\n");
2071                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2072                         ERR_print_errors(bio_err);
2073                 }
2074 #endif
2075
2076         if (con == NULL) {
2077                 con=SSL_new(ctx);
2078 #ifndef OPENSSL_NO_TLSEXT
2079         if (s_tlsextdebug)
2080                 {
2081                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2082                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2083                 }
2084         if (s_tlsextstatus)
2085                 {
2086                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2087                 tlscstatp.err = bio_err;
2088                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2089                 }
2090 #endif
2091 #ifndef OPENSSL_NO_KRB5
2092                 if ((kctx = kssl_ctx_new()) != NULL)
2093                         {
2094                         SSL_set0_kssl_ctx(con, kctx);
2095                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2096                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2097                         }
2098 #endif  /* OPENSSL_NO_KRB5 */
2099                 if(context)
2100                       SSL_set_session_id_context(con, context,
2101                                                  strlen((char *)context));
2102         }
2103         SSL_clear(con);
2104 #if 0
2105 #ifdef TLSEXT_TYPE_opaque_prf_input
2106         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2107 #endif
2108 #endif
2109
2110         if (SSL_version(con) == DTLS1_VERSION)
2111                 {
2112
2113                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2114
2115                 if (enable_timeouts)
2116                         {
2117                         timeout.tv_sec = 0;
2118                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2119                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2120
2121                         timeout.tv_sec = 0;
2122                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2123                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2124                         }
2125
2126                 if (socket_mtu > 28)
2127                         {
2128                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2129                         SSL_set_mtu(con, socket_mtu - 28);
2130                         }
2131                 else
2132                         /* want to do MTU discovery */
2133                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2134
2135         /* turn on cookie exchange */
2136         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2137                 }
2138         else
2139                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2140
2141         if (s_nbio_test)
2142                 {
2143                 BIO *test;
2144
2145                 test=BIO_new(BIO_f_nbio_test());
2146                 sbio=BIO_push(test,sbio);
2147                 }
2148 #ifndef OPENSSL_NO_JPAKE
2149         if(jpake_secret)
2150                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2151 #endif
2152
2153         SSL_set_bio(con,sbio,sbio);
2154         SSL_set_accept_state(con);
2155         /* SSL_set_fd(con,s); */
2156
2157         if (s_debug)
2158                 {
2159                 SSL_set_debug(con, 1);
2160                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2161                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2162                 }
2163         if (s_msg)
2164                 {
2165                 SSL_set_msg_callback(con, msg_cb);
2166                 SSL_set_msg_callback_arg(con, bio_s_out);
2167                 }
2168 #ifndef OPENSSL_NO_TLSEXT
2169         if (s_tlsextdebug)
2170                 {
2171                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2172                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2173                 }
2174 #endif
2175
2176         width=s+1;
2177         for (;;)
2178                 {
2179                 int read_from_terminal;
2180                 int read_from_sslcon;
2181
2182                 read_from_terminal = 0;
2183                 read_from_sslcon = SSL_pending(con);
2184
2185                 if (!read_from_sslcon)
2186                         {
2187                         FD_ZERO(&readfds);
2188 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2189                         openssl_fdset(fileno(stdin),&readfds);
2190 #endif
2191                         openssl_fdset(s,&readfds);
2192                         /* Note: under VMS with SOCKETSHR the second parameter is
2193                          * currently of type (int *) whereas under other systems
2194                          * it is (void *) if you don't have a cast it will choke
2195                          * the compiler: if you do have a cast then you can either
2196                          * go for (int *) or (void *).
2197                          */
2198 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2199                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2200                          * on sockets. As a workaround we timeout the select every
2201                          * second and check for any keypress. In a proper Windows
2202                          * application we wouldn't do this because it is inefficient.
2203                          */
2204                         tv.tv_sec = 1;
2205                         tv.tv_usec = 0;
2206                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2207                         if((i < 0) || (!i && !_kbhit() ) )continue;
2208                         if(_kbhit())
2209                                 read_from_terminal = 1;
2210 #elif defined(OPENSSL_SYS_BEOS_R5)
2211                         /* Under BeOS-R5 the situation is similar to DOS */
2212                         tv.tv_sec = 1;
2213                         tv.tv_usec = 0;
2214                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2215                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2216                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2217                                 continue;
2218                         if (read(fileno(stdin), buf, 0) >= 0)
2219                                 read_from_terminal = 1;
2220                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2221 #else
2222                         if ((SSL_version(con) == DTLS1_VERSION) &&
2223                                 DTLSv1_get_timeout(con, &timeout))
2224                                 timeoutp = &timeout;
2225                         else
2226                                 timeoutp = NULL;
2227
2228                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2229
2230                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2231                                 {
2232                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2233                                 }
2234
2235                         if (i <= 0) continue;
2236                         if (FD_ISSET(fileno(stdin),&readfds))
2237                                 read_from_terminal = 1;
2238 #endif
2239                         if (FD_ISSET(s,&readfds))
2240                                 read_from_sslcon = 1;
2241                         }
2242                 if (read_from_terminal)
2243                         {
2244                         if (s_crlf)
2245                                 {
2246                                 int j, lf_num;
2247
2248                                 i=raw_read_stdin(buf, bufsize/2);
2249                                 lf_num = 0;
2250                                 /* both loops are skipped when i <= 0 */
2251                                 for (j = 0; j < i; j++)
2252                                         if (buf[j] == '\n')
2253                                                 lf_num++;
2254                                 for (j = i-1; j >= 0; j--)
2255                                         {
2256                                         buf[j+lf_num] = buf[j];
2257                                         if (buf[j] == '\n')
2258                                                 {
2259                                                 lf_num--;
2260                                                 i++;
2261                                                 buf[j+lf_num] = '\r';
2262                                                 }
2263                                         }
2264                                 assert(lf_num == 0);
2265                                 }
2266                         else
2267                                 i=raw_read_stdin(buf,bufsize);
2268                         if (!s_quiet)
2269                                 {
2270                                 if ((i <= 0) || (buf[0] == 'Q'))
2271                                         {
2272                                         BIO_printf(bio_s_out,"DONE\n");
2273                                         SHUTDOWN(s);
2274                                         close_accept_socket();
2275                                         ret= -11;
2276                                         goto err;
2277                                         }
2278                                 if ((i <= 0) || (buf[0] == 'q'))
2279                                         {
2280                                         BIO_printf(bio_s_out,"DONE\n");
2281                                         if (SSL_version(con) != DTLS1_VERSION)
2282                         SHUTDOWN(s);
2283         /*                              close_accept_socket();
2284                                         ret= -11;*/
2285                                         goto err;
2286                                         }
2287
2288 #ifndef OPENSSL_NO_HEARTBEATS
2289                                 if ((buf[0] == 'B') &&
2290                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2291                                         {
2292                                         BIO_printf(bio_err,"HEARTBEATING\n");
2293                                         SSL_heartbeat(con);
2294                                         i=0;
2295                                         continue;
2296                                         }
2297 #endif
2298                                 if ((buf[0] == 'r') &&
2299                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2300                                         {
2301                                         SSL_renegotiate(con);
2302                                         i=SSL_do_handshake(con);
2303                                         printf("SSL_do_handshake -> %d\n",i);
2304                                         i=0; /*13; */
2305                                         continue;
2306                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2307                                         }
2308                                 if ((buf[0] == 'R') &&
2309                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2310                                         {
2311                                         SSL_set_verify(con,
2312                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2313                                         SSL_renegotiate(con);
2314                                         i=SSL_do_handshake(con);
2315                                         printf("SSL_do_handshake -> %d\n",i);
2316                                         i=0; /* 13; */
2317                                         continue;
2318                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2319                                         }
2320                                 if (buf[0] == 'P')
2321                                         {
2322                                         static const char *str="Lets print some clear text\n";
2323                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2324                                         }
2325                                 if (buf[0] == 'S')
2326                                         {
2327                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2328                                         }
2329                                 }
2330 #ifdef CHARSET_EBCDIC
2331                         ebcdic2ascii(buf,buf,i);
2332 #endif
2333                         l=k=0;
2334                         for (;;)
2335                                 {
2336                                 /* should do a select for the write */
2337 #ifdef RENEG
2338 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2339 #endif
2340                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2341 #ifndef OPENSSL_NO_SRP
2342                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2343                                         {
2344                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2345                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2346                                         if (srp_callback_parm.user)
2347                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2348                                         else
2349                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2350                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2351                                         }
2352 #endif
2353                                 switch (SSL_get_error(con,k))
2354                                         {
2355                                 case SSL_ERROR_NONE:
2356                                         break;
2357                                 case SSL_ERROR_WANT_WRITE:
2358                                 case SSL_ERROR_WANT_READ:
2359                                 case SSL_ERROR_WANT_X509_LOOKUP:
2360                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2361                                         break;
2362                                 case SSL_ERROR_SYSCALL:
2363                                 case SSL_ERROR_SSL:
2364                                         BIO_printf(bio_s_out,"ERROR\n");
2365                                         ERR_print_errors(bio_err);
2366                                         ret=1;
2367                                         goto err;
2368                                         /* break; */
2369                                 case SSL_ERROR_ZERO_RETURN:
2370                                         BIO_printf(bio_s_out,"DONE\n");
2371                                         ret=1;
2372                                         goto err;
2373                                         }
2374                                 l+=k;
2375                                 i-=k;
2376                                 if (i <= 0) break;
2377                                 }
2378                         }
2379                 if (read_from_sslcon)
2380                         {
2381                         if (!SSL_is_init_finished(con))
2382                                 {
2383                                 i=init_ssl_connection(con);
2384
2385                                 if (i < 0)
2386                                         {
2387                                         ret=0;
2388                                         goto err;
2389                                         }
2390                                 else if (i == 0)
2391                                         {
2392                                         ret=1;
2393                                         goto err;
2394                                         }
2395                                 }
2396                         else
2397                                 {
2398 again:
2399                                 i=SSL_read(con,(char *)buf,bufsize);
2400 #ifndef OPENSSL_NO_SRP
2401                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2402                                         {
2403                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2404                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2405                                         if (srp_callback_parm.user)
2406                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2407                                         else
2408                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2409                                         i=SSL_read(con,(char *)buf,bufsize);
2410                                         }
2411 #endif
2412                                 switch (SSL_get_error(con,i))
2413                                         {
2414                                 case SSL_ERROR_NONE:
2415 #ifdef CHARSET_EBCDIC
2416                                         ascii2ebcdic(buf,buf,i);
2417 #endif
2418                                         raw_write_stdout(buf,
2419                                                 (unsigned int)i);
2420                                         if (SSL_pending(con)) goto again;
2421                                         break;
2422                                 case SSL_ERROR_WANT_WRITE:
2423                                 case SSL_ERROR_WANT_READ:
2424                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2425                                         break;
2426                                 case SSL_ERROR_SYSCALL:
2427                                 case SSL_ERROR_SSL:
2428                                         BIO_printf(bio_s_out,"ERROR\n");
2429                                         ERR_print_errors(bio_err);
2430                                         ret=1;
2431                                         goto err;
2432                                 case SSL_ERROR_ZERO_RETURN:
2433                                         BIO_printf(bio_s_out,"DONE\n");
2434                                         ret=1;
2435                                         goto err;
2436                                         }
2437                                 }
2438                         }
2439                 }
2440 err:
2441         if (con != NULL)
2442                 {
2443                 BIO_printf(bio_s_out,"shutting down SSL\n");
2444 #if 1
2445                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2446 #else
2447                 SSL_shutdown(con);
2448 #endif
2449                 SSL_free(con);
2450                 }
2451         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2452         if (buf != NULL)
2453                 {
2454                 OPENSSL_cleanse(buf,bufsize);
2455                 OPENSSL_free(buf);
2456                 }
2457         if (ret >= 0)
2458                 BIO_printf(bio_s_out,"ACCEPT\n");
2459         return(ret);
2460         }
2461
2462 static void close_accept_socket(void)
2463         {
2464         BIO_printf(bio_err,"shutdown accept socket\n");
2465         if (accept_socket >= 0)
2466                 {
2467                 SHUTDOWN2(accept_socket);
2468                 }
2469         }
2470
2471 static int init_ssl_connection(SSL *con)
2472         {
2473         int i;
2474         const char *str;
2475         X509 *peer;
2476         long verify_error;
2477         MS_STATIC char buf[BUFSIZ];
2478 #ifndef OPENSSL_NO_KRB5
2479         char *client_princ;
2480 #endif
2481 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2482         const unsigned char *next_proto_neg;
2483         unsigned next_proto_neg_len;
2484 #endif
2485         unsigned char *exportedkeymat;
2486
2487
2488         i=SSL_accept(con);
2489 #ifndef OPENSSL_NO_SRP
2490         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2491                 {
2492                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2493                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2494                         if (srp_callback_parm.user)
2495                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2496                         else
2497                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2498                         i=SSL_accept(con);
2499                 }
2500 #endif
2501         if (i <= 0)
2502                 {
2503                 if (BIO_sock_should_retry(i))
2504                         {
2505                         BIO_printf(bio_s_out,"DELAY\n");
2506                         return(1);
2507                         }
2508
2509                 BIO_printf(bio_err,"ERROR\n");
2510                 verify_error=SSL_get_verify_result(con);
2511                 if (verify_error != X509_V_OK)
2512                         {
2513                         BIO_printf(bio_err,"verify error:%s\n",
2514                                 X509_verify_cert_error_string(verify_error));
2515                         }
2516                 else
2517                         ERR_print_errors(bio_err);
2518                 return(0);
2519                 }
2520
2521         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2522
2523         peer=SSL_get_peer_certificate(con);
2524         if (peer != NULL)
2525                 {
2526                 BIO_printf(bio_s_out,"Client certificate\n");
2527                 PEM_write_bio_X509(bio_s_out,peer);
2528                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2529                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2530                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2531                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2532                 X509_free(peer);
2533                 }
2534
2535         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2536                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2537         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2538         ssl_print_sigalgs(bio_s_out, con);
2539         ssl_print_curves(bio_s_out, con);
2540         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2541
2542 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2543         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2544         if (next_proto_neg)
2545                 {
2546                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2547                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2548                 BIO_printf(bio_s_out, "\n");
2549                 }
2550 #endif
2551         {
2552         SRTP_PROTECTION_PROFILE *srtp_profile
2553           = SSL_get_selected_srtp_profile(con);
2554
2555         if(srtp_profile)
2556                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2557                            srtp_profile->name);
2558         }
2559         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2560         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2561                 TLS1_FLAGS_TLS_PADDING_BUG)
2562                 BIO_printf(bio_s_out,
2563                            "Peer has incorrect TLSv1 block padding\n");
2564 #ifndef OPENSSL_NO_KRB5
2565         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2566         if (client_princ != NULL)
2567                 {
2568                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2569                                                                 client_princ);
2570                 }
2571 #endif /* OPENSSL_NO_KRB5 */
2572         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2573                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2574         if (keymatexportlabel != NULL)
2575                 {
2576                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2577                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2578                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2579                            keymatexportlen);
2580                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2581                 if (exportedkeymat != NULL)
2582                         {
2583                         if (!SSL_export_keying_material(con, exportedkeymat,
2584                                                         keymatexportlen,
2585                                                         keymatexportlabel,
2586                                                         strlen(keymatexportlabel),
2587                                                         NULL, 0, 0))
2588                                 {
2589                                 BIO_printf(bio_s_out, "    Error\n");
2590                                 }
2591                         else
2592                                 {
2593                                 BIO_printf(bio_s_out, "    Keying material: ");
2594                                 for (i=0; i<keymatexportlen; i++)
2595                                         BIO_printf(bio_s_out, "%02X",
2596                                                    exportedkeymat[i]);
2597                                 BIO_printf(bio_s_out, "\n");
2598                                 }
2599                         OPENSSL_free(exportedkeymat);
2600                         }
2601                 }
2602
2603         return(1);
2604         }
2605
2606 #ifndef OPENSSL_NO_DH
2607 static DH *load_dh_param(const char *dhfile)
2608         {
2609         DH *ret=NULL;
2610         BIO *bio;
2611
2612         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2613                 goto err;
2614         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2615 err:
2616         if (bio != NULL) BIO_free(bio);
2617         return(ret);
2618         }
2619 #endif
2620 #ifndef OPENSSL_NO_KRB5
2621         char *client_princ;
2622 #endif
2623
2624 #if 0
2625 static int load_CA(SSL_CTX *ctx, char *file)
2626         {
2627         FILE *in;
2628         X509 *x=NULL;
2629
2630         if ((in=fopen(file,"r")) == NULL)
2631                 return(0);
2632
2633         for (;;)
2634                 {
2635                 if (PEM_read_X509(in,&x,NULL) == NULL)
2636                         break;
2637                 SSL_CTX_add_client_CA(ctx,x);
2638                 }
2639         if (x != NULL) X509_free(x);
2640         fclose(in);
2641         return(1);
2642         }
2643 #endif
2644
2645 static int www_body(char *hostname, int s, unsigned char *context)
2646         {
2647         char *buf=NULL;
2648         int ret=1;
2649         int i,j,k,dot;
2650         SSL *con;
2651         const SSL_CIPHER *c;
2652         BIO *io,*ssl_bio,*sbio;
2653 #ifndef OPENSSL_NO_KRB5
2654         KSSL_CTX *kctx;
2655 #endif
2656
2657         buf=OPENSSL_malloc(bufsize);
2658         if (buf == NULL) return(0);
2659         io=BIO_new(BIO_f_buffer());
2660         ssl_bio=BIO_new(BIO_f_ssl());
2661         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2662
2663 #ifdef FIONBIO
2664         if (s_nbio)
2665                 {
2666                 unsigned long sl=1;
2667
2668                 if (!s_quiet)
2669                         BIO_printf(bio_err,"turning on non blocking io\n");
2670                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2671                         ERR_print_errors(bio_err);
2672                 }
2673 #endif
2674
2675         /* lets make the output buffer a reasonable size */
2676         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2677
2678         if ((con=SSL_new(ctx)) == NULL) goto err;
2679 #ifndef OPENSSL_NO_TLSEXT
2680                 if (s_tlsextdebug)
2681                         {
2682                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2683                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2684                         }
2685 #endif
2686 #ifndef OPENSSL_NO_KRB5
2687         if ((kctx = kssl_ctx_new()) != NULL)
2688                 {
2689                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2690                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2691                 }
2692 #endif  /* OPENSSL_NO_KRB5 */
2693         if(context) SSL_set_session_id_context(con, context,
2694                                                strlen((char *)context));
2695
2696         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2697         if (s_nbio_test)
2698                 {
2699                 BIO *test;
2700
2701                 test=BIO_new(BIO_f_nbio_test());
2702                 sbio=BIO_push(test,sbio);
2703                 }
2704         SSL_set_bio(con,sbio,sbio);
2705         SSL_set_accept_state(con);
2706
2707         /* SSL_set_fd(con,s); */
2708         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2709         BIO_push(io,ssl_bio);
2710 #ifdef CHARSET_EBCDIC
2711         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2712 #endif
2713
2714         if (s_debug)
2715                 {
2716                 SSL_set_debug(con, 1);
2717                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2718                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2719                 }
2720         if (s_msg)
2721                 {
2722                 SSL_set_msg_callback(con, msg_cb);
2723                 SSL_set_msg_callback_arg(con, bio_s_out);
2724                 }
2725
2726         for (;;)
2727                 {
2728                 if (hack)
2729                         {
2730                         i=SSL_accept(con);
2731 #ifndef OPENSSL_NO_SRP
2732                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2733                 {
2734                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2735                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2736                         if (srp_callback_parm.user)
2737                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2738                         else
2739                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2740                         i=SSL_accept(con);
2741                 }
2742 #endif
2743                         switch (SSL_get_error(con,i))
2744                                 {
2745                         case SSL_ERROR_NONE:
2746                                 break;
2747                         case SSL_ERROR_WANT_WRITE:
2748                         case SSL_ERROR_WANT_READ:
2749                         case SSL_ERROR_WANT_X509_LOOKUP:
2750                                 continue;
2751                         case SSL_ERROR_SYSCALL:
2752                         case SSL_ERROR_SSL:
2753                         case SSL_ERROR_ZERO_RETURN:
2754                                 ret=1;
2755                                 goto err;
2756                                 /* break; */
2757                                 }
2758
2759                         SSL_renegotiate(con);
2760                         SSL_write(con,NULL,0);
2761                         }
2762
2763                 i=BIO_gets(io,buf,bufsize-1);
2764                 if (i < 0) /* error */
2765                         {
2766                         if (!BIO_should_retry(io))
2767                                 {
2768                                 if (!s_quiet)
2769                                         ERR_print_errors(bio_err);
2770                                 goto err;
2771                                 }
2772                         else
2773                                 {
2774                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2775 #if defined(OPENSSL_SYS_NETWARE)
2776             delay(1000);
2777 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2778                                 sleep(1);
2779 #endif
2780                                 continue;
2781                                 }
2782                         }
2783                 else if (i == 0) /* end of input */
2784                         {
2785                         ret=1;
2786                         goto end;
2787                         }
2788
2789                 /* else we have data */
2790                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2791                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2792                         {
2793                         char *p;
2794                         X509 *peer;
2795                         STACK_OF(SSL_CIPHER) *sk;
2796                         static const char *space="                          ";
2797
2798                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2799                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2800                         BIO_puts(io,"<pre>\n");
2801 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2802                         BIO_puts(io,"\n");
2803                         for (i=0; i<local_argc; i++)
2804                                 {
2805                                 BIO_puts(io,local_argv[i]);
2806                                 BIO_write(io," ",1);
2807                                 }
2808                         BIO_puts(io,"\n");
2809
2810                         BIO_printf(io,
2811                                 "Secure Renegotiation IS%s supported\n",
2812                                 SSL_get_secure_renegotiation_support(con) ?
2813                                                         "" : " NOT");
2814
2815                         /* The following is evil and should not really
2816                          * be done */
2817                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2818                         sk=SSL_get_ciphers(con);
2819                         j=sk_SSL_CIPHER_num(sk);
2820                         for (i=0; i<j; i++)
2821                                 {
2822                                 c=sk_SSL_CIPHER_value(sk,i);
2823                                 BIO_printf(io,"%-11s:%-25s",
2824                                         SSL_CIPHER_get_version(c),
2825                                         SSL_CIPHER_get_name(c));
2826                                 if ((((i+1)%2) == 0) && (i+1 != j))
2827                                         BIO_puts(io,"\n");
2828                                 }
2829                         BIO_puts(io,"\n");
2830                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2831                         if (p != NULL)
2832                                 {
2833                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2834                                 j=i=0;
2835                                 while (*p)
2836                                         {
2837                                         if (*p == ':')
2838                                                 {
2839                                                 BIO_write(io,space,26-j);
2840                                                 i++;
2841                                                 j=0;
2842                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2843                                                 }
2844                                         else
2845                                                 {
2846                                                 BIO_write(io,p,1);
2847                                                 j++;
2848                                                 }
2849                                         p++;
2850                                         }
2851                                 BIO_puts(io,"\n");
2852                                 }
2853                         ssl_print_sigalgs(io, con);
2854                         ssl_print_curves(io, con);
2855                         BIO_printf(io,(SSL_cache_hit(con)
2856                                 ?"---\nReused, "
2857                                 :"---\nNew, "));
2858                         c=SSL_get_current_cipher(con);
2859                         BIO_printf(io,"%s, Cipher is %s\n",
2860                                 SSL_CIPHER_get_version(c),
2861                                 SSL_CIPHER_get_name(c));
2862                         SSL_SESSION_print(io,SSL_get_session(con));
2863                         BIO_printf(io,"---\n");
2864                         print_stats(io,SSL_get_SSL_CTX(con));
2865                         BIO_printf(io,"---\n");
2866                         peer=SSL_get_peer_certificate(con);
2867                         if (peer != NULL)
2868                                 {
2869                                 BIO_printf(io,"Client certificate\n");
2870                                 X509_print(io,peer);
2871                                 PEM_write_bio_X509(io,peer);
2872                                 }
2873                         else
2874                                 BIO_puts(io,"no client certificate available\n");
2875                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2876                         break;
2877                         }
2878                 else if ((www == 2 || www == 3)
2879                          && (strncmp("GET /",buf,5) == 0))
2880                         {
2881                         BIO *file;
2882                         char *p,*e;
2883                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2884
2885                         /* skip the '/' */
2886                         p= &(buf[5]);
2887
2888                         dot = 1;
2889                         for (e=p; *e != '\0'; e++)
2890                                 {
2891                                 if (e[0] == ' ')
2892                                         break;
2893
2894                                 switch (dot)
2895                                         {
2896                                 case 1:
2897                                         dot = (e[0] == '.') ? 2 : 0;
2898                                         break;
2899                                 case 2:
2900                                         dot = (e[0] == '.') ? 3 : 0;
2901                                         break;
2902                                 case 3:
2903                                         dot = (e[0] == '/') ? -1 : 0;
2904                                         break;
2905                                         }
2906                                 if (dot == 0)
2907                                         dot = (e[0] == '/') ? 1 : 0;
2908                                 }
2909                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2910
2911                         if (*e == '\0')
2912                                 {
2913                                 BIO_puts(io,text);
2914                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2915                                 break;
2916                                 }
2917                         *e='\0';
2918
2919                         if (dot)
2920                                 {
2921                                 BIO_puts(io,text);
2922                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2923                                 break;
2924                                 }
2925
2926                         if (*p == '/')
2927                                 {
2928                                 BIO_puts(io,text);
2929                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2930                                 break;
2931                                 }
2932
2933 #if 0
2934                         /* append if a directory lookup */
2935                         if (e[-1] == '/')
2936                                 strcat(p,"index.html");
2937 #endif
2938
2939                         /* if a directory, do the index thang */
2940                         if (app_isdir(p)>0)
2941                                 {
2942 #if 0 /* must check buffer size */
2943                                 strcat(p,"/index.html");
2944 #else
2945                                 BIO_puts(io,text);
2946                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2947                                 break;
2948 #endif
2949                                 }
2950
2951                         if ((file=BIO_new_file(p,"r")) == NULL)
2952                                 {
2953                                 BIO_puts(io,text);
2954                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2955                                 ERR_print_errors(io);
2956                                 break;
2957                                 }
2958
2959                         if (!s_quiet)
2960                                 BIO_printf(bio_err,"FILE:%s\n",p);
2961
2962                         if (www == 2)
2963                                 {
2964                                 i=strlen(p);
2965                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2966                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2967                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2968                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2969                                 else
2970                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2971                                 }
2972                         /* send the file */
2973                         for (;;)
2974                                 {
2975                                 i=BIO_read(file,buf,bufsize);
2976                                 if (i <= 0) break;
2977
2978 #ifdef RENEG
2979                                 total_bytes+=i;
2980                                 fprintf(stderr,"%d\n",i);
2981                                 if (total_bytes > 3*1024)
2982                                         {
2983                                         total_bytes=0;
2984                                         fprintf(stderr,"RENEGOTIATE\n");
2985                                         SSL_renegotiate(con);
2986                                         }
2987 #endif
2988
2989                                 for (j=0; j<i; )
2990                                         {
2991 #ifdef RENEG
2992 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2993 #endif
2994                                         k=BIO_write(io,&(buf[j]),i-j);
2995                                         if (k <= 0)
2996                                                 {
2997                                                 if (!BIO_should_retry(io))
2998                                                         goto write_error;
2999                                                 else
3000                                                         {
3001                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3002                                                         }
3003                                                 }
3004                                         else
3005                                                 {
3006                                                 j+=k;
3007                                                 }
3008                                         }
3009                                 }
3010 write_error:
3011                         BIO_free(file);
3012                         break;
3013                         }
3014                 }
3015
3016         for (;;)
3017                 {
3018                 i=(int)BIO_flush(io);
3019                 if (i <= 0)
3020                         {
3021                         if (!BIO_should_retry(io))
3022                                 break;
3023                         }
3024                 else
3025                         break;
3026                 }
3027 end:
3028 #if 1
3029         /* make sure we re-use sessions */
3030         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3031 #else
3032         /* This kills performance */
3033 /*      SSL_shutdown(con); A shutdown gets sent in the
3034  *      BIO_free_all(io) procession */
3035 #endif
3036
3037 err:
3038
3039         if (ret >= 0)
3040                 BIO_printf(bio_s_out,"ACCEPT\n");
3041
3042         if (buf != NULL) OPENSSL_free(buf);
3043         if (io != NULL) BIO_free_all(io);
3044 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3045         return(ret);
3046         }
3047
3048 #ifndef OPENSSL_NO_RSA
3049 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3050         {
3051         BIGNUM *bn = NULL;
3052         static RSA *rsa_tmp=NULL;
3053
3054         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3055                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3056         if (!rsa_tmp && bn)
3057                 {
3058                 if (!s_quiet)
3059                         {
3060                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3061                         (void)BIO_flush(bio_err);
3062                         }
3063                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3064                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3065                         {
3066                         if(rsa_tmp) RSA_free(rsa_tmp);
3067                         rsa_tmp = NULL;
3068                         }
3069                 if (!s_quiet)
3070                         {
3071                         BIO_printf(bio_err,"\n");
3072                         (void)BIO_flush(bio_err);
3073                         }
3074                 BN_free(bn);
3075                 }
3076         return(rsa_tmp);
3077         }
3078 #endif
3079
3080 #define MAX_SESSION_ID_ATTEMPTS 10
3081 static int generate_session_id(const SSL *ssl, unsigned char *id,
3082                                 unsigned int *id_len)
3083         {
3084         unsigned int count = 0;
3085         do      {
3086                 RAND_pseudo_bytes(id, *id_len);
3087                 /* Prefix the session_id with the required prefix. NB: If our
3088                  * prefix is too long, clip it - but there will be worse effects
3089                  * anyway, eg. the server could only possibly create 1 session
3090                  * ID (ie. the prefix!) so all future session negotiations will
3091                  * fail due to conflicts. */
3092                 memcpy(id, session_id_prefix,
3093                         (strlen(session_id_prefix) < *id_len) ?
3094                         strlen(session_id_prefix) : *id_len);
3095                 }
3096         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3097                 (++count < MAX_SESSION_ID_ATTEMPTS));
3098         if(count >= MAX_SESSION_ID_ATTEMPTS)
3099                 return 0;
3100         return 1;
3101         }