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 static char *sigalgs=NULL;
 275 #endif
 276 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 277 #ifdef FIONBIO
 278 static int s_nbio=0;
 279 #endif
 280 static int s_nbio_test=0;
 281 int s_crlf=0;
 282 static SSL_CTX *ctx=NULL;
 283 #ifndef OPENSSL_NO_TLSEXT
 284 static SSL_CTX *ctx2=NULL;
 285 #endif
 286 static int www=0;
 287
 288 static BIO *bio_s_out=NULL;
 289 static int s_debug=0;
 290 #ifndef OPENSSL_NO_TLSEXT
 291 static int s_tlsextdebug=0;
 292 static int s_tlsextstatus=0;
 293 static int cert_status_cb(SSL *s, void *arg);
 294 #endif
 295 static int s_msg=0;
 296 static int s_quiet=0;
 297
 298 static char *keymatexportlabel=NULL;
 299 static int keymatexportlen=20;
 300
 301 static int hack=0;
 302 #ifndef OPENSSL_NO_ENGINE
 303 static char *engine_id=NULL;
 304 #endif
 305 static const char *session_id_prefix=NULL;
 306
 307 static int enable_timeouts = 0;
 308 static long socket_mtu;
 309 #ifndef OPENSSL_NO_DTLS1
 310 static int cert_chain = 0;
 311 #endif
 312
 313 #ifndef OPENSSL_NO_TLSEXT
 314 static BIO *authz_in = NULL;
 315 static const char *s_authz_file = NULL;
 316 #endif
 317
 318 #ifndef OPENSSL_NO_PSK
 319 static char *psk_identity="Client_identity";
 320 char *psk_key=NULL; /* by default PSK is not used */
 321
 322 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 323         unsigned char *psk, unsigned int max_psk_len)
 324         {
 325         unsigned int psk_len = 0;
 326         int ret;
 327         BIGNUM *bn = NULL;
 328
 329         if (s_debug)
 330                 BIO_printf(bio_s_out,"psk_server_cb\n");
 331         if (!identity)
 332                 {
 333                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 334                 goto out_err;
 335                 }
 336         if (s_debug)
 337                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 338                         identity ? (int)strlen(identity) : 0, identity);
 339
 340         /* here we could lookup the given identity e.g. from a database */
 341         if (strcmp(identity, psk_identity) != 0)
 342                 {
 343                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 344                            " (got '%s' expected '%s')\n", identity,
 345                            psk_identity);
 346                 goto out_err;
 347                 }
 348         if (s_debug)
 349                 BIO_printf(bio_s_out, "PSK client identity found\n");
 350
 351         /* convert the PSK key to binary */
 352         ret = BN_hex2bn(&bn, psk_key);
 353         if (!ret)
 354                 {
 355                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 356                 if (bn)
 357                         BN_free(bn);
 358                 return 0;
 359                 }
 360         if (BN_num_bytes(bn) > (int)max_psk_len)
 361                 {
 362                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 363                         max_psk_len, BN_num_bytes(bn));
 364                 BN_free(bn);
 365                 return 0;
 366                 }
 367
 368         ret = BN_bn2bin(bn, psk);
 369         BN_free(bn);
 370
 371         if (ret < 0)
 372                 goto out_err;
 373         psk_len = (unsigned int)ret;
 374
 375         if (s_debug)
 376                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 377         return psk_len;
 378  out_err:
 379         if (s_debug)
 380                 BIO_printf(bio_err, "Error in PSK server callback\n");
 381         return 0;
 382         }
 383 #endif
 384
 385 #ifndef OPENSSL_NO_SRP
 386 /* This is a context that we pass to callbacks */
 387 typedef struct srpsrvparm_st
 388         {
 389         char *login;
 390         SRP_VBASE *vb;
 391         SRP_user_pwd *user;
 392         } srpsrvparm;
 393
 394 /* This callback pretends to require some asynchronous logic in order to obtain
 395    a verifier. When the callback is called for a new connection we return
 396    with a negative value. This will provoke the accept etc to return with
 397    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 398    (which would normally occur after a worker has finished) and we
 399    set the user parameters.
 400 */
 401 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 402         {
 403         srpsrvparm *p = (srpsrvparm *)arg;
 404         if (p->login == NULL && p->user == NULL )
 405                 {
 406                 p->login = SSL_get_srp_username(s);
 407                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 408                 return (-1) ;
 409                 }
 410
 411         if (p->user == NULL)
 412                 {
 413                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 414                 return SSL3_AL_FATAL;
 415                 }
 416         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 417                                      p->user->info) < 0)
 418                 {
 419                 *ad = SSL_AD_INTERNAL_ERROR;
 420                 return SSL3_AL_FATAL;
 421                 }
 422         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 423         /* need to check whether there are memory leaks */
 424         p->user = NULL;
 425         p->login = NULL;
 426         return SSL_ERROR_NONE;
 427         }
 428
 429 #endif
 430
 431 #ifdef MONOLITH
 432 static void s_server_init(void)
 433         {
 434         accept_socket=-1;
 435         cipher=NULL;
 436         s_server_verify=SSL_VERIFY_NONE;
 437         s_dcert_file=NULL;
 438         s_dkey_file=NULL;
 439         s_dchain_file=NULL;
 440         s_cert_file=TEST_CERT;
 441         s_key_file=NULL;
 442         s_chain_file=NULL;
 443 #ifndef OPENSSL_NO_TLSEXT
 444         curves=NULL;
 445         s_cert_file2=TEST_CERT2;
 446         s_key_file2=NULL;
 447         ctx2=NULL;
 448 #endif
 449 #ifdef FIONBIO
 450         s_nbio=0;
 451 #endif
 452         s_nbio_test=0;
 453         ctx=NULL;
 454         www=0;
 455
 456         bio_s_out=NULL;
 457         s_debug=0;
 458         s_msg=0;
 459         s_quiet=0;
 460         hack=0;
 461 #ifndef OPENSSL_NO_ENGINE
 462         engine_id=NULL;
 463 #endif
 464         }
 465 #endif
 466
 467 static void sv_usage(void)
 468         {
 469         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 470         BIO_printf(bio_err,"\n");
 471         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 472         BIO_printf(bio_err," -context arg  - set session ID context\n");
 473         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 474         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 475         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 476         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 477         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 478         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 479                            "                 The CRL(s) are appended to the certificate file\n");
 480         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 481                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 482                            "                 the certificate file.\n");
 483         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 484         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 485         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 486         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 487         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 488         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 489         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 490         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 491         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 492         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 493         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 494         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 495 #ifndef OPENSSL_NO_ECDH
 496         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 497                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 498                            "                 (default is nistp256).\n");
 499 #endif
 500 #ifdef FIONBIO
 501         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 502 #endif
 503         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 504         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 505         BIO_printf(bio_err," -debug        - Print more output\n");
 506         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 507         BIO_printf(bio_err," -state        - Print the SSL states\n");
 508         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 509         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 510         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 511         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 512         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 513         BIO_printf(bio_err," -quiet        - No server output\n");
 514         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 515 #ifndef OPENSSL_NO_PSK
 516         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 517         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 518 # ifndef OPENSSL_NO_JPAKE
 519         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 520 # endif
 521 #endif
 522 #ifndef OPENSSL_NO_SRP
 523         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 524         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 525 #endif
 526         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 527         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 528         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 529         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 530         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 531         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 532         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 533         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 534         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 535         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 536         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 537         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 538         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 539         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 540 #ifndef OPENSSL_NO_DH
 541         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 542 #endif
 543 #ifndef OPENSSL_NO_ECDH
 544         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 545 #endif
 546         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 547         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 548         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 549         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 550         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 551 #ifndef OPENSSL_NO_ENGINE
 552         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 553 #endif
 554         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 555         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 556 #ifndef OPENSSL_NO_TLSEXT
 557         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 558         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 559         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 560         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 561         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 562         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 563         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 564         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 565         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 566 # ifndef OPENSSL_NO_NEXTPROTONEG
 567         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 568 # endif
 569         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 570 #endif
 571         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 572         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 573         }
 574
 575 static int local_argc=0;
 576 static char **local_argv;
 577
 578 #ifdef CHARSET_EBCDIC
 579 static int ebcdic_new(BIO *bi);
 580 static int ebcdic_free(BIO *a);
 581 static int ebcdic_read(BIO *b, char *out, int outl);
 582 static int ebcdic_write(BIO *b, const char *in, int inl);
 583 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 584 static int ebcdic_gets(BIO *bp, char *buf, int size);
 585 static int ebcdic_puts(BIO *bp, const char *str);
 586
 587 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 588 static BIO_METHOD methods_ebcdic=
 589         {
 590         BIO_TYPE_EBCDIC_FILTER,
 591         "EBCDIC/ASCII filter",
 592         ebcdic_write,
 593         ebcdic_read,
 594         ebcdic_puts,
 595         ebcdic_gets,
 596         ebcdic_ctrl,
 597         ebcdic_new,
 598         ebcdic_free,
 599         };
 600
 601 typedef struct
 602 {
 603         size_t  alloced;
 604         char    buff[1];
 605 } EBCDIC_OUTBUFF;
 606
 607 BIO_METHOD *BIO_f_ebcdic_filter()
 608 {
 609         return(&methods_ebcdic);
 610 }
 611
 612 static int ebcdic_new(BIO *bi)
 613 {
 614         EBCDIC_OUTBUFF *wbuf;
 615
 616         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 617         wbuf->alloced = 1024;
 618         wbuf->buff[0] = '\0';
 619
 620         bi->ptr=(char *)wbuf;
 621         bi->init=1;
 622         bi->flags=0;
 623         return(1);
 624 }
 625
 626 static int ebcdic_free(BIO *a)
 627 {
 628         if (a == NULL) return(0);
 629         if (a->ptr != NULL)
 630                 OPENSSL_free(a->ptr);
 631         a->ptr=NULL;
 632         a->init=0;
 633         a->flags=0;
 634         return(1);
 635 }
 636
 637 static int ebcdic_read(BIO *b, char *out, int outl)
 638 {
 639         int ret=0;
 640
 641         if (out == NULL || outl == 0) return(0);
 642         if (b->next_bio == NULL) return(0);
 643
 644         ret=BIO_read(b->next_bio,out,outl);
 645         if (ret > 0)
 646                 ascii2ebcdic(out,out,ret);
 647         return(ret);
 648 }
 649
 650 static int ebcdic_write(BIO *b, const char *in, int inl)
 651 {
 652         EBCDIC_OUTBUFF *wbuf;
 653         int ret=0;
 654         int num;
 655         unsigned char n;
 656
 657         if ((in == NULL) || (inl <= 0)) return(0);
 658         if (b->next_bio == NULL) return(0);
 659
 660         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 661
 662         if (inl > (num = wbuf->alloced))
 663         {
 664                 num = num + num;  /* double the size */
 665                 if (num < inl)
 666                         num = inl;
 667                 OPENSSL_free(wbuf);
 668                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 669
 670                 wbuf->alloced = num;
 671                 wbuf->buff[0] = '\0';
 672
 673                 b->ptr=(char *)wbuf;
 674         }
 675
 676         ebcdic2ascii(wbuf->buff, in, inl);
 677
 678         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 679
 680         return(ret);
 681 }
 682
 683 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 684 {
 685         long ret;
 686
 687         if (b->next_bio == NULL) return(0);
 688         switch (cmd)
 689         {
 690         case BIO_CTRL_DUP:
 691                 ret=0L;
 692                 break;
 693         default:
 694                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 695                 break;
 696         }
 697         return(ret);
 698 }
 699
 700 static int ebcdic_gets(BIO *bp, char *buf, int size)
 701 {
 702         int i, ret=0;
 703         if (bp->next_bio == NULL) return(0);
 704 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 705         for (i=0; i<size-1; ++i)
 706         {
 707                 ret = ebcdic_read(bp,&buf[i],1);
 708                 if (ret <= 0)
 709                         break;
 710                 else if (buf[i] == '\n')
 711                 {
 712                         ++i;
 713                         break;
 714                 }
 715         }
 716         if (i < size)
 717                 buf[i] = '\0';
 718         return (ret < 0 && i == 0) ? ret : i;
 719 }
 720
 721 static int ebcdic_puts(BIO *bp, const char *str)
 722 {
 723         if (bp->next_bio == NULL) return(0);
 724         return ebcdic_write(bp, str, strlen(str));
 725 }
 726 #endif
 727
 728 #ifndef OPENSSL_NO_TLSEXT
 729
 730 /* This is a context that we pass to callbacks */
 731 typedef struct tlsextctx_st {
 732    char * servername;
 733    BIO * biodebug;
 734    int extension_error;
 735 } tlsextctx;
 736
 737
 738 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 739         {
 740         tlsextctx * p = (tlsextctx *) arg;
 741         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 742         if (servername && p->biodebug)
 743                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 744
 745         if (!p->servername)
 746                 return SSL_TLSEXT_ERR_NOACK;
 747
 748         if (servername)
 749                 {
 750                 if (strcmp(servername,p->servername))
 751                         return p->extension_error;
 752                 if (ctx2)
 753                         {
 754                         BIO_printf(p->biodebug,"Switching server context.\n");
 755                         SSL_set_SSL_CTX(s,ctx2);
 756                         }
 757                 }
 758         return SSL_TLSEXT_ERR_OK;
 759 }
 760
 761 /* Structure passed to cert status callback */
 762
 763 typedef struct tlsextstatusctx_st {
 764    /* Default responder to use */
 765    char *host, *path, *port;
 766    int use_ssl;
 767    int timeout;
 768    BIO *err;
 769    int verbose;
 770 } tlsextstatusctx;
 771
 772 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 773
 774 /* Certificate Status callback. This is called when a client includes a
 775  * certificate status request extension.
 776  *
 777  * This is a simplified version. It examines certificates each time and
 778  * makes one OCSP responder query for each request.
 779  *
 780  * A full version would store details such as the OCSP certificate IDs and
 781  * minimise the number of OCSP responses by caching them until they were
 782  * considered "expired".
 783  */
 784
 785 static int cert_status_cb(SSL *s, void *arg)
 786         {
 787         tlsextstatusctx *srctx = arg;
 788         BIO *err = srctx->err;
 789         char *host, *port, *path;
 790         int use_ssl;
 791         unsigned char *rspder = NULL;
 792         int rspderlen;
 793         STACK_OF(OPENSSL_STRING) *aia = NULL;
 794         X509 *x = NULL;
 795         X509_STORE_CTX inctx;
 796         X509_OBJECT obj;
 797         OCSP_REQUEST *req = NULL;
 798         OCSP_RESPONSE *resp = NULL;
 799         OCSP_CERTID *id = NULL;
 800         STACK_OF(X509_EXTENSION) *exts;
 801         int ret = SSL_TLSEXT_ERR_NOACK;
 802         int i;
 803 #if 0
 804 STACK_OF(OCSP_RESPID) *ids;
 805 SSL_get_tlsext_status_ids(s, &ids);
 806 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 807 #endif
 808         if (srctx->verbose)
 809                 BIO_puts(err, "cert_status: callback called\n");
 810         /* Build up OCSP query from server certificate */
 811         x = SSL_get_certificate(s);
 812         aia = X509_get1_ocsp(x);
 813         if (aia)
 814                 {
 815                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 816                         &host, &port, &path, &use_ssl))
 817                         {
 818                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 819                         goto err;
 820                         }
 821                 if (srctx->verbose)
 822                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 823                                         sk_OPENSSL_STRING_value(aia, 0));
 824                 }
 825         else
 826                 {
 827                 if (!srctx->host)
 828                         {
 829                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 830                         goto done;
 831                         }
 832                 host = srctx->host;
 833                 path = srctx->path;
 834                 port = srctx->port;
 835                 use_ssl = srctx->use_ssl;
 836                 }
 837
 838         if (!X509_STORE_CTX_init(&inctx,
 839                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 840                                 NULL, NULL))
 841                 goto err;
 842         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 843                                 X509_get_issuer_name(x),&obj) <= 0)
 844                 {
 845                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 846                 X509_STORE_CTX_cleanup(&inctx);
 847                 goto done;
 848                 }
 849         req = OCSP_REQUEST_new();
 850         if (!req)
 851                 goto err;
 852         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 853         X509_free(obj.data.x509);
 854         X509_STORE_CTX_cleanup(&inctx);
 855         if (!id)
 856                 goto err;
 857         if (!OCSP_request_add0_id(req, id))
 858                 goto err;
 859         id = NULL;
 860         /* Add any extensions to the request */
 861         SSL_get_tlsext_status_exts(s, &exts);
 862         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 863                 {
 864                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 865                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 866                         goto err;
 867                 }
 868         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 869                                         srctx->timeout);
 870         if (!resp)
 871                 {
 872                 BIO_puts(err, "cert_status: error querying responder\n");
 873                 goto done;
 874                 }
 875         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 876         if (rspderlen <= 0)
 877                 goto err;
 878         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 879         if (srctx->verbose)
 880                 {
 881                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 882                 OCSP_RESPONSE_print(err, resp, 2);
 883                 }
 884         ret = SSL_TLSEXT_ERR_OK;
 885         done:
 886         if (ret != SSL_TLSEXT_ERR_OK)
 887                 ERR_print_errors(err);
 888         if (aia)
 889                 {
 890                 OPENSSL_free(host);
 891                 OPENSSL_free(path);
 892                 OPENSSL_free(port);
 893                 X509_email_free(aia);
 894                 }
 895         if (id)
 896                 OCSP_CERTID_free(id);
 897         if (req)
 898                 OCSP_REQUEST_free(req);
 899         if (resp)
 900                 OCSP_RESPONSE_free(resp);
 901         return ret;
 902         err:
 903         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 904         goto done;
 905         }
 906
 907 # ifndef OPENSSL_NO_NEXTPROTONEG
 908 /* This is the context that we pass to next_proto_cb */
 909 typedef struct tlsextnextprotoctx_st {
 910         unsigned char *data;
 911         unsigned int len;
 912 } tlsextnextprotoctx;
 913
 914 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 915         {
 916         tlsextnextprotoctx *next_proto = arg;
 917
 918         *data = next_proto->data;
 919         *len = next_proto->len;
 920
 921         return SSL_TLSEXT_ERR_OK;
 922         }
 923 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 924
 925
 926 #endif
 927
 928 int MAIN(int, char **);
 929
 930 #ifndef OPENSSL_NO_JPAKE
 931 static char *jpake_secret = NULL;
 932 #endif
 933 #ifndef OPENSSL_NO_SRP
 934         static srpsrvparm srp_callback_parm;
 935 #endif
 936 static char *srtp_profiles = NULL;
 937
 938 int MAIN(int argc, char *argv[])
 939         {
 940         X509_VERIFY_PARAM *vpm = NULL;
 941         int badarg = 0;
 942         short port=PORT;
 943         char *CApath=NULL,*CAfile=NULL;
 944         unsigned char *context = NULL;
 945         char *dhfile = NULL;
 946 #ifndef OPENSSL_NO_ECDH
 947         char *named_curve = NULL;
 948 #endif
 949         int badop=0,bugs=0;
 950         int ret=1;
 951         int off=0;
 952         int cert_flags = 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                 else if (strcmp(*argv,"-sigalgs") == 0)
1199                         {
1200                         if (--argc < 1) goto bad;
1201                         sigalgs= *(++argv);
1202                         }
1203 #endif
1204                 else if (strcmp(*argv,"-msg") == 0)
1205                         { s_msg=1; }
1206                 else if (strcmp(*argv,"-hack") == 0)
1207                         { hack=1; }
1208                 else if (strcmp(*argv,"-state") == 0)
1209                         { state=1; }
1210                 else if (strcmp(*argv,"-crlf") == 0)
1211                         { s_crlf=1; }
1212                 else if (strcmp(*argv,"-quiet") == 0)
1213                         { s_quiet=1; }
1214                 else if (strcmp(*argv,"-bugs") == 0)
1215                         { bugs=1; }
1216                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1217                         { no_tmp_rsa=1; }
1218                 else if (strcmp(*argv,"-no_dhe") == 0)
1219                         { no_dhe=1; }
1220                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1221                         { no_ecdhe=1; }
1222 #ifndef OPENSSL_NO_PSK
1223                 else if (strcmp(*argv,"-psk_hint") == 0)
1224                         {
1225                         if (--argc < 1) goto bad;
1226                         psk_identity_hint= *(++argv);
1227                         }
1228                 else if (strcmp(*argv,"-psk") == 0)
1229                         {
1230                         size_t i;
1231
1232                         if (--argc < 1) goto bad;
1233                         psk_key=*(++argv);
1234                         for (i=0; i<strlen(psk_key); i++)
1235                                 {
1236                                 if (isxdigit((unsigned char)psk_key[i]))
1237                                         continue;
1238                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1239                                 goto bad;
1240                                 }
1241                         }
1242 #endif
1243 #ifndef OPENSSL_NO_SRP
1244                 else if (strcmp(*argv, "-srpvfile") == 0)
1245                         {
1246                         if (--argc < 1) goto bad;
1247                         srp_verifier_file = *(++argv);
1248                         meth = TLSv1_server_method();
1249                         }
1250                 else if (strcmp(*argv, "-srpuserseed") == 0)
1251                         {
1252                         if (--argc < 1) goto bad;
1253                         srpuserseed = *(++argv);
1254                         meth = TLSv1_server_method();
1255                         }
1256 #endif
1257                 else if (strcmp(*argv,"-www") == 0)
1258                         { www=1; }
1259                 else if (strcmp(*argv,"-WWW") == 0)
1260                         { www=2; }
1261                 else if (strcmp(*argv,"-HTTP") == 0)
1262                         { www=3; }
1263                 else if (strcmp(*argv,"-no_ssl2") == 0)
1264                         { off|=SSL_OP_NO_SSLv2; }
1265                 else if (strcmp(*argv,"-no_ssl3") == 0)
1266                         { off|=SSL_OP_NO_SSLv3; }
1267                 else if (strcmp(*argv,"-no_tls1") == 0)
1268                         { off|=SSL_OP_NO_TLSv1; }
1269                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1270                         { off|=SSL_OP_NO_TLSv1_1; }
1271                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1272                         { off|=SSL_OP_NO_TLSv1_2; }
1273                 else if (strcmp(*argv,"-no_comp") == 0)
1274                         { off|=SSL_OP_NO_COMPRESSION; }
1275 #ifndef OPENSSL_NO_TLSEXT
1276                 else if (strcmp(*argv,"-no_ticket") == 0)
1277                         { off|=SSL_OP_NO_TICKET; }
1278 #endif
1279 #ifndef OPENSSL_NO_SSL2
1280                 else if (strcmp(*argv,"-ssl2") == 0)
1281                         { meth=SSLv2_server_method(); }
1282 #endif
1283 #ifndef OPENSSL_NO_SSL3
1284                 else if (strcmp(*argv,"-ssl3") == 0)
1285                         { meth=SSLv3_server_method(); }
1286 #endif
1287 #ifndef OPENSSL_NO_TLS1
1288                 else if (strcmp(*argv,"-tls1") == 0)
1289                         { meth=TLSv1_server_method(); }
1290                 else if (strcmp(*argv,"-tls1_1") == 0)
1291                         { meth=TLSv1_1_server_method(); }
1292                 else if (strcmp(*argv,"-tls1_2") == 0)
1293                         { meth=TLSv1_2_server_method(); }
1294 #endif
1295 #ifndef OPENSSL_NO_DTLS1
1296                 else if (strcmp(*argv,"-dtls1") == 0)
1297                         {
1298                         meth=DTLSv1_server_method();
1299                         socket_type = SOCK_DGRAM;
1300                         }
1301                 else if (strcmp(*argv,"-timeout") == 0)
1302                         enable_timeouts = 1;
1303                 else if (strcmp(*argv,"-mtu") == 0)
1304                         {
1305                         if (--argc < 1) goto bad;
1306                         socket_mtu = atol(*(++argv));
1307                         }
1308                 else if (strcmp(*argv, "-chain") == 0)
1309                         cert_chain = 1;
1310 #endif
1311                 else if (strcmp(*argv, "-id_prefix") == 0)
1312                         {
1313                         if (--argc < 1) goto bad;
1314                         session_id_prefix = *(++argv);
1315                         }
1316 #ifndef OPENSSL_NO_ENGINE
1317                 else if (strcmp(*argv,"-engine") == 0)
1318                         {
1319                         if (--argc < 1) goto bad;
1320                         engine_id= *(++argv);
1321                         }
1322 #endif
1323                 else if (strcmp(*argv,"-rand") == 0)
1324                         {
1325                         if (--argc < 1) goto bad;
1326                         inrand= *(++argv);
1327                         }
1328 #ifndef OPENSSL_NO_TLSEXT
1329                 else if (strcmp(*argv,"-servername") == 0)
1330                         {
1331                         if (--argc < 1) goto bad;
1332                         tlsextcbp.servername= *(++argv);
1333                         }
1334                 else if (strcmp(*argv,"-servername_fatal") == 0)
1335                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1336                 else if (strcmp(*argv,"-cert2") == 0)
1337                         {
1338                         if (--argc < 1) goto bad;
1339                         s_cert_file2= *(++argv);
1340                         }
1341                 else if (strcmp(*argv,"-key2") == 0)
1342                         {
1343                         if (--argc < 1) goto bad;
1344                         s_key_file2= *(++argv);
1345                         }
1346 # ifndef OPENSSL_NO_NEXTPROTONEG
1347                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1348                         {
1349                         if (--argc < 1) goto bad;
1350                         next_proto_neg_in = *(++argv);
1351                         }
1352 # endif
1353 #endif
1354 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1355                 else if (strcmp(*argv,"-jpake") == 0)
1356                         {
1357                         if (--argc < 1) goto bad;
1358                         jpake_secret = *(++argv);
1359                         }
1360 #endif
1361                 else if (strcmp(*argv,"-use_srtp") == 0)
1362                         {
1363                         if (--argc < 1) goto bad;
1364                         srtp_profiles = *(++argv);
1365                         }
1366                 else if (strcmp(*argv,"-keymatexport") == 0)
1367                         {
1368                         if (--argc < 1) goto bad;
1369                         keymatexportlabel= *(++argv);
1370                         }
1371                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1372                         {
1373                         if (--argc < 1) goto bad;
1374                         keymatexportlen=atoi(*(++argv));
1375                         if (keymatexportlen == 0) goto bad;
1376                         }
1377                 else if (strcmp(*argv, "-cert_strict") == 0)
1378                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1379                 else
1380                         {
1381                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1382                         badop=1;
1383                         break;
1384                         }
1385                 argc--;
1386                 argv++;
1387                 }
1388         if (badop)
1389                 {
1390 bad:
1391                 sv_usage();
1392                 goto end;
1393                 }
1394
1395 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1396         if (jpake_secret)
1397                 {
1398                 if (psk_key)
1399                         {
1400                         BIO_printf(bio_err,
1401                                    "Can't use JPAKE and PSK together\n");
1402                         goto end;
1403                         }
1404                 psk_identity = "JPAKE";
1405                 if (cipher)
1406                         {
1407                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1408                         goto end;
1409                         }
1410                 cipher = "PSK";
1411                 }
1412
1413 #endif
1414
1415         SSL_load_error_strings();
1416         OpenSSL_add_ssl_algorithms();
1417
1418 #ifndef OPENSSL_NO_ENGINE
1419         e = setup_engine(bio_err, engine_id, 1);
1420 #endif
1421
1422         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1423                 {
1424                 BIO_printf(bio_err, "Error getting password\n");
1425                 goto end;
1426                 }
1427
1428
1429         if (s_key_file == NULL)
1430                 s_key_file = s_cert_file;
1431 #ifndef OPENSSL_NO_TLSEXT
1432         if (s_key_file2 == NULL)
1433                 s_key_file2 = s_cert_file2;
1434 #endif
1435
1436         if (nocert == 0)
1437                 {
1438                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1439                        "server certificate private key file");
1440                 if (!s_key)
1441                         {
1442                         ERR_print_errors(bio_err);
1443                         goto end;
1444                         }
1445
1446                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1447                         NULL, e, "server certificate file");
1448
1449                 if (!s_cert)
1450                         {
1451                         ERR_print_errors(bio_err);
1452                         goto end;
1453                         }
1454                 if (s_chain_file)
1455                         {
1456                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1457                                         NULL, e, "server certificate chain");
1458                         if (!s_chain)
1459                                 goto end;
1460                         }
1461
1462 #ifndef OPENSSL_NO_TLSEXT
1463                 if (tlsextcbp.servername)
1464                         {
1465                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1466                                 "second server certificate private key file");
1467                         if (!s_key2)
1468                                 {
1469                                 ERR_print_errors(bio_err);
1470                                 goto end;
1471                                 }
1472
1473                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1474                                 NULL, e, "second server certificate file");
1475
1476                         if (!s_cert2)
1477                                 {
1478                                 ERR_print_errors(bio_err);
1479                                 goto end;
1480                                 }
1481                         }
1482 #endif /* OPENSSL_NO_TLSEXT */
1483                 }
1484
1485 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1486         if (next_proto_neg_in)
1487                 {
1488                 unsigned short len;
1489                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1490                 if (next_proto.data == NULL)
1491                         goto end;
1492                 next_proto.len = len;
1493                 }
1494         else
1495                 {
1496                 next_proto.data = NULL;
1497                 }
1498 #endif
1499
1500
1501         if (s_dcert_file)
1502                 {
1503
1504                 if (s_dkey_file == NULL)
1505                         s_dkey_file = s_dcert_file;
1506
1507                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1508                                 0, dpass, e,
1509                                "second certificate private key file");
1510                 if (!s_dkey)
1511                         {
1512                         ERR_print_errors(bio_err);
1513                         goto end;
1514                         }
1515
1516                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1517                                 NULL, e, "second server certificate file");
1518
1519                 if (!s_dcert)
1520                         {
1521                         ERR_print_errors(bio_err);
1522                         goto end;
1523                         }
1524                 if (s_dchain_file)
1525                         {
1526                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1527                                 NULL, e, "second server certificate chain");
1528                         if (!s_dchain)
1529                                 goto end;
1530                         }
1531
1532                 }
1533
1534         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1535                 && !RAND_status())
1536                 {
1537                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1538                 }
1539         if (inrand != NULL)
1540                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1541                         app_RAND_load_files(inrand));
1542
1543         if (bio_s_out == NULL)
1544                 {
1545                 if (s_quiet && !s_debug && !s_msg)
1546                         {
1547                         bio_s_out=BIO_new(BIO_s_null());
1548                         }
1549                 else
1550                         {
1551                         if (bio_s_out == NULL)
1552                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1553                         }
1554                 }
1555
1556 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1557         if (nocert)
1558 #endif
1559                 {
1560                 s_cert_file=NULL;
1561                 s_key_file=NULL;
1562                 s_dcert_file=NULL;
1563                 s_dkey_file=NULL;
1564 #ifndef OPENSSL_NO_TLSEXT
1565                 s_cert_file2=NULL;
1566                 s_key_file2=NULL;
1567 #endif
1568                 }
1569
1570         ctx=SSL_CTX_new(meth);
1571         if (ctx == NULL)
1572                 {
1573                 ERR_print_errors(bio_err);
1574                 goto end;
1575                 }
1576         if (session_id_prefix)
1577                 {
1578                 if(strlen(session_id_prefix) >= 32)
1579                         BIO_printf(bio_err,
1580 "warning: id_prefix is too long, only one new session will be possible\n");
1581                 else if(strlen(session_id_prefix) >= 16)
1582                         BIO_printf(bio_err,
1583 "warning: id_prefix is too long if you use SSLv2\n");
1584                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1585                         {
1586                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1587                         ERR_print_errors(bio_err);
1588                         goto end;
1589                         }
1590                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1591                 }
1592         SSL_CTX_set_quiet_shutdown(ctx,1);
1593         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1594         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1595         SSL_CTX_set_options(ctx,off);
1596         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1597         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1598          * Setting read ahead solves this problem.
1599          */
1600         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1601
1602         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1603         if (no_cache)
1604                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1605         else
1606                 SSL_CTX_sess_set_cache_size(ctx,128);
1607
1608         if (srtp_profiles != NULL)
1609                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1610
1611 #if 0
1612         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1613 #endif
1614
1615 #if 0
1616         if (s_cert_file == NULL)
1617                 {
1618                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1619                 goto end;
1620                 }
1621 #endif
1622
1623         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1624                 (!SSL_CTX_set_default_verify_paths(ctx)))
1625                 {
1626                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1627                 ERR_print_errors(bio_err);
1628                 /* goto end; */
1629                 }
1630         if (vpm)
1631                 SSL_CTX_set1_param(ctx, vpm);
1632
1633 #ifndef OPENSSL_NO_TLSEXT
1634         if (s_cert2)
1635                 {
1636                 ctx2=SSL_CTX_new(meth);
1637                 if (ctx2 == NULL)
1638                         {
1639                         ERR_print_errors(bio_err);
1640                         goto end;
1641                         }
1642                 }
1643
1644         if (ctx2)
1645                 {
1646                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1647
1648                 if (session_id_prefix)
1649                         {
1650                         if(strlen(session_id_prefix) >= 32)
1651                                 BIO_printf(bio_err,
1652                                         "warning: id_prefix is too long, only one new session will be possible\n");
1653                         else if(strlen(session_id_prefix) >= 16)
1654                                 BIO_printf(bio_err,
1655                                         "warning: id_prefix is too long if you use SSLv2\n");
1656                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1657                                 {
1658                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1659                                 ERR_print_errors(bio_err);
1660                                 goto end;
1661                                 }
1662                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1663                         }
1664                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1665                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1666                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1667                 SSL_CTX_set_options(ctx2,off);
1668                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1669                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1670                  * Setting read ahead solves this problem.
1671                  */
1672                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1673
1674                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1675
1676                 if (no_cache)
1677                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1678                 else
1679                         SSL_CTX_sess_set_cache_size(ctx2,128);
1680
1681                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1682                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1683                         {
1684                         ERR_print_errors(bio_err);
1685                         }
1686                 if (vpm)
1687                         SSL_CTX_set1_param(ctx2, vpm);
1688                 }
1689
1690 # ifndef OPENSSL_NO_NEXTPROTONEG
1691         if (next_proto.data)
1692                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1693 # endif
1694 #endif
1695
1696 #ifndef OPENSSL_NO_DH
1697         if (!no_dhe)
1698                 {
1699                 DH *dh=NULL;
1700
1701                 if (dhfile)
1702                         dh = load_dh_param(dhfile);
1703                 else if (s_cert_file)
1704                         dh = load_dh_param(s_cert_file);
1705
1706                 if (dh != NULL)
1707                         {
1708                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1709                         }
1710                 else
1711                         {
1712                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1713                         dh=get_dh512();
1714                         }
1715                 (void)BIO_flush(bio_s_out);
1716
1717                 SSL_CTX_set_tmp_dh(ctx,dh);
1718 #ifndef OPENSSL_NO_TLSEXT
1719                 if (ctx2)
1720                         {
1721                         if (!dhfile)
1722                                 {
1723                                 DH *dh2=load_dh_param(s_cert_file2);
1724                                 if (dh2 != NULL)
1725                                         {
1726                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1727                                         (void)BIO_flush(bio_s_out);
1728
1729                                         DH_free(dh);
1730                                         dh = dh2;
1731                                         }
1732                                 }
1733                         SSL_CTX_set_tmp_dh(ctx2,dh);
1734                         }
1735 #endif
1736                 DH_free(dh);
1737                 }
1738 #endif
1739
1740 #ifndef OPENSSL_NO_ECDH
1741         if (!no_ecdhe)
1742                 {
1743                 EC_KEY *ecdh=NULL;
1744
1745                 if (named_curve && strcmp(named_curve, "auto"))
1746                         {
1747                         int nid = EC_curve_nist2nid(named_curve);
1748                         if (nid == NID_undef)
1749                                 nid = OBJ_sn2nid(named_curve);
1750                         if (nid == 0)
1751                                 {
1752                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1753                                         named_curve);
1754                                 goto end;
1755                                 }
1756                         ecdh = EC_KEY_new_by_curve_name(nid);
1757                         if (ecdh == NULL)
1758                                 {
1759                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1760                                         named_curve);
1761                                 goto end;
1762                                 }
1763                         }
1764
1765                 if (ecdh != NULL)
1766                         {
1767                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1768                         }
1769                 else if (named_curve)
1770                         SSL_CTX_set_ecdh_auto(ctx, 1);
1771                 else
1772                         {
1773                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1774                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1775                         if (ecdh == NULL)
1776                                 {
1777                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1778                                 goto end;
1779                                 }
1780                         }
1781                 (void)BIO_flush(bio_s_out);
1782
1783                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1784 #ifndef OPENSSL_NO_TLSEXT
1785                 if (ctx2)
1786                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1787 #endif
1788                 EC_KEY_free(ecdh);
1789                 }
1790 #endif
1791
1792         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1793                 goto end;
1794 #ifndef OPENSSL_NO_TLSEXT
1795         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1796                 goto end;
1797 #endif
1798 #ifndef OPENSSL_NO_TLSEXT
1799         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1800                 goto end;
1801 #endif
1802         if (s_dcert != NULL)
1803                 {
1804                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1805                         goto end;
1806                 }
1807
1808 #ifndef OPENSSL_NO_RSA
1809 #if 1
1810         if (!no_tmp_rsa)
1811                 {
1812                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1813 #ifndef OPENSSL_NO_TLSEXT
1814                 if (ctx2)
1815                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1816 #endif
1817                 }
1818 #else
1819         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1820                 {
1821                 RSA *rsa;
1822
1823                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1824                 BIO_flush(bio_s_out);
1825
1826                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1827
1828                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1829                         {
1830                         ERR_print_errors(bio_err);
1831                         goto end;
1832                         }
1833 #ifndef OPENSSL_NO_TLSEXT
1834                         if (ctx2)
1835                                 {
1836                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1837                                         {
1838                                         ERR_print_errors(bio_err);
1839                                         goto end;
1840                                         }
1841                                 }
1842 #endif
1843                 RSA_free(rsa);
1844                 BIO_printf(bio_s_out,"\n");
1845                 }
1846 #endif
1847 #endif
1848
1849 #ifndef OPENSSL_NO_PSK
1850 #ifdef OPENSSL_NO_JPAKE
1851         if (psk_key != NULL)
1852 #else
1853         if (psk_key != NULL || jpake_secret)
1854 #endif
1855                 {
1856                 if (s_debug)
1857                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1858                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1859                 }
1860
1861         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1862                 {
1863                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1864                 ERR_print_errors(bio_err);
1865                 goto end;
1866                 }
1867 #endif
1868
1869         if (cipher != NULL)
1870                 {
1871                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1872                         {
1873                         BIO_printf(bio_err,"error setting cipher list\n");
1874                         ERR_print_errors(bio_err);
1875                         goto end;
1876                         }
1877 #ifndef OPENSSL_NO_TLSEXT
1878                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1879                         {
1880                         BIO_printf(bio_err,"error setting cipher list\n");
1881                         ERR_print_errors(bio_err);
1882                         goto end;
1883                         }
1884 #endif
1885                 }
1886 #ifndef OPENSSL_NO_TLSEXT
1887         if (curves)
1888                 {
1889                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1890                         {
1891                         BIO_printf(bio_err,"error setting curves list\n");
1892                         ERR_print_errors(bio_err);
1893                         goto end;
1894                         }
1895                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1896                         {
1897                         BIO_printf(bio_err,"error setting curves list\n");
1898                         ERR_print_errors(bio_err);
1899                         goto end;
1900                         }
1901                 }
1902         if (sigalgs)
1903                 {
1904                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1905                         {
1906                         BIO_printf(bio_err,"error setting signature algorithms\n");
1907                         ERR_print_errors(bio_err);
1908                         goto end;
1909                         }
1910                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
1911                         {
1912                         BIO_printf(bio_err,"error setting signature algorithms\n");
1913                         ERR_print_errors(bio_err);
1914                         goto end;
1915                         }
1916                 }
1917 #endif
1918         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1919         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1920                 sizeof s_server_session_id_context);
1921
1922         /* Set DTLS cookie generation and verification callbacks */
1923         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1924         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1925
1926 #ifndef OPENSSL_NO_TLSEXT
1927         if (ctx2)
1928                 {
1929                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1930                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1931                         sizeof s_server_session_id_context);
1932
1933                 tlsextcbp.biodebug = bio_s_out;
1934                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1935                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1936                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1937                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1938                 }
1939 #endif
1940
1941 #ifndef OPENSSL_NO_SRP
1942         if (srp_verifier_file != NULL)
1943                 {
1944                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1945                 srp_callback_parm.user = NULL;
1946                 srp_callback_parm.login = NULL;
1947                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1948                         {
1949                         BIO_printf(bio_err,
1950                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1951                                    srp_verifier_file, ret);
1952                                 goto end;
1953                         }
1954                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1955                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1956                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1957                 }
1958         else
1959 #endif
1960         if (CAfile != NULL)
1961                 {
1962                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1963 #ifndef OPENSSL_NO_TLSEXT
1964                 if (ctx2)
1965                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1966 #endif
1967                 }
1968
1969         BIO_printf(bio_s_out,"ACCEPT\n");
1970         (void)BIO_flush(bio_s_out);
1971         if (www)
1972                 do_server(port,socket_type,&accept_socket,www_body, context);
1973         else
1974                 do_server(port,socket_type,&accept_socket,sv_body, context);
1975         print_stats(bio_s_out,ctx);
1976         ret=0;
1977 end:
1978         if (ctx != NULL) SSL_CTX_free(ctx);
1979         if (s_cert)
1980                 X509_free(s_cert);
1981         if (s_dcert)
1982                 X509_free(s_dcert);
1983         if (s_key)
1984                 EVP_PKEY_free(s_key);
1985         if (s_dkey)
1986                 EVP_PKEY_free(s_dkey);
1987         if (s_chain)
1988                 sk_X509_pop_free(s_chain, X509_free);
1989         if (s_dchain)
1990                 sk_X509_pop_free(s_dchain, X509_free);
1991         if (pass)
1992                 OPENSSL_free(pass);
1993         if (dpass)
1994                 OPENSSL_free(dpass);
1995         if (vpm)
1996                 X509_VERIFY_PARAM_free(vpm);
1997 #ifndef OPENSSL_NO_TLSEXT
1998         if (tlscstatp.host)
1999                 OPENSSL_free(tlscstatp.host);
2000         if (tlscstatp.port)
2001                 OPENSSL_free(tlscstatp.port);
2002         if (tlscstatp.path)
2003                 OPENSSL_free(tlscstatp.path);
2004         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2005         if (s_cert2)
2006                 X509_free(s_cert2);
2007         if (s_key2)
2008                 EVP_PKEY_free(s_key2);
2009         if (authz_in != NULL)
2010                 BIO_free(authz_in);
2011 #endif
2012         if (bio_s_out != NULL)
2013                 {
2014         BIO_free(bio_s_out);
2015                 bio_s_out=NULL;
2016                 }
2017         apps_shutdown();
2018         OPENSSL_EXIT(ret);
2019         }
2020
2021 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2022         {
2023         BIO_printf(bio,"%4ld items in the session cache\n",
2024                 SSL_CTX_sess_number(ssl_ctx));
2025         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2026                 SSL_CTX_sess_connect(ssl_ctx));
2027         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2028                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2029         BIO_printf(bio,"%4ld client connects that finished\n",
2030                 SSL_CTX_sess_connect_good(ssl_ctx));
2031         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2032                 SSL_CTX_sess_accept(ssl_ctx));
2033         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2034                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2035         BIO_printf(bio,"%4ld server accepts that finished\n",
2036                 SSL_CTX_sess_accept_good(ssl_ctx));
2037         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2038         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2039         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2040         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2041         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2042                 SSL_CTX_sess_cache_full(ssl_ctx),
2043                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2044         }
2045
2046 static int sv_body(char *hostname, int s, unsigned char *context)
2047         {
2048         char *buf=NULL;
2049         fd_set readfds;
2050         int ret=1,width;
2051         int k,i;
2052         unsigned long l;
2053         SSL *con=NULL;
2054         BIO *sbio;
2055 #ifndef OPENSSL_NO_KRB5
2056         KSSL_CTX *kctx;
2057 #endif
2058         struct timeval timeout;
2059 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2060         struct timeval tv;
2061 #else
2062         struct timeval *timeoutp;
2063 #endif
2064
2065         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2066                 {
2067                 BIO_printf(bio_err,"out of memory\n");
2068                 goto err;
2069                 }
2070 #ifdef FIONBIO
2071         if (s_nbio)
2072                 {
2073                 unsigned long sl=1;
2074
2075                 if (!s_quiet)
2076                         BIO_printf(bio_err,"turning on non blocking io\n");
2077                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2078                         ERR_print_errors(bio_err);
2079                 }
2080 #endif
2081
2082         if (con == NULL) {
2083                 con=SSL_new(ctx);
2084 #ifndef OPENSSL_NO_TLSEXT
2085         if (s_tlsextdebug)
2086                 {
2087                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2088                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2089                 }
2090         if (s_tlsextstatus)
2091                 {
2092                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2093                 tlscstatp.err = bio_err;
2094                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2095                 }
2096 #endif
2097 #ifndef OPENSSL_NO_KRB5
2098                 if ((kctx = kssl_ctx_new()) != NULL)
2099                         {
2100                         SSL_set0_kssl_ctx(con, kctx);
2101                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2102                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2103                         }
2104 #endif  /* OPENSSL_NO_KRB5 */
2105                 if(context)
2106                       SSL_set_session_id_context(con, context,
2107                                                  strlen((char *)context));
2108         }
2109         SSL_clear(con);
2110 #if 0
2111 #ifdef TLSEXT_TYPE_opaque_prf_input
2112         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2113 #endif
2114 #endif
2115
2116         if (SSL_version(con) == DTLS1_VERSION)
2117                 {
2118
2119                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2120
2121                 if (enable_timeouts)
2122                         {
2123                         timeout.tv_sec = 0;
2124                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2125                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2126
2127                         timeout.tv_sec = 0;
2128                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2129                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2130                         }
2131
2132                 if (socket_mtu > 28)
2133                         {
2134                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2135                         SSL_set_mtu(con, socket_mtu - 28);
2136                         }
2137                 else
2138                         /* want to do MTU discovery */
2139                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2140
2141         /* turn on cookie exchange */
2142         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2143                 }
2144         else
2145                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2146
2147         if (s_nbio_test)
2148                 {
2149                 BIO *test;
2150
2151                 test=BIO_new(BIO_f_nbio_test());
2152                 sbio=BIO_push(test,sbio);
2153                 }
2154 #ifndef OPENSSL_NO_JPAKE
2155         if(jpake_secret)
2156                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2157 #endif
2158
2159         SSL_set_bio(con,sbio,sbio);
2160         SSL_set_accept_state(con);
2161         /* SSL_set_fd(con,s); */
2162
2163         if (s_debug)
2164                 {
2165                 SSL_set_debug(con, 1);
2166                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2167                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2168                 }
2169         if (s_msg)
2170                 {
2171                 SSL_set_msg_callback(con, msg_cb);
2172                 SSL_set_msg_callback_arg(con, bio_s_out);
2173                 }
2174 #ifndef OPENSSL_NO_TLSEXT
2175         if (s_tlsextdebug)
2176                 {
2177                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2178                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2179                 }
2180 #endif
2181
2182         width=s+1;
2183         for (;;)
2184                 {
2185                 int read_from_terminal;
2186                 int read_from_sslcon;
2187
2188                 read_from_terminal = 0;
2189                 read_from_sslcon = SSL_pending(con);
2190
2191                 if (!read_from_sslcon)
2192                         {
2193                         FD_ZERO(&readfds);
2194 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2195                         openssl_fdset(fileno(stdin),&readfds);
2196 #endif
2197                         openssl_fdset(s,&readfds);
2198                         /* Note: under VMS with SOCKETSHR the second parameter is
2199                          * currently of type (int *) whereas under other systems
2200                          * it is (void *) if you don't have a cast it will choke
2201                          * the compiler: if you do have a cast then you can either
2202                          * go for (int *) or (void *).
2203                          */
2204 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2205                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2206                          * on sockets. As a workaround we timeout the select every
2207                          * second and check for any keypress. In a proper Windows
2208                          * application we wouldn't do this because it is inefficient.
2209                          */
2210                         tv.tv_sec = 1;
2211                         tv.tv_usec = 0;
2212                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2213                         if((i < 0) || (!i && !_kbhit() ) )continue;
2214                         if(_kbhit())
2215                                 read_from_terminal = 1;
2216 #elif defined(OPENSSL_SYS_BEOS_R5)
2217                         /* Under BeOS-R5 the situation is similar to DOS */
2218                         tv.tv_sec = 1;
2219                         tv.tv_usec = 0;
2220                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2221                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2222                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2223                                 continue;
2224                         if (read(fileno(stdin), buf, 0) >= 0)
2225                                 read_from_terminal = 1;
2226                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2227 #else
2228                         if ((SSL_version(con) == DTLS1_VERSION) &&
2229                                 DTLSv1_get_timeout(con, &timeout))
2230                                 timeoutp = &timeout;
2231                         else
2232                                 timeoutp = NULL;
2233
2234                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2235
2236                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2237                                 {
2238                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2239                                 }
2240
2241                         if (i <= 0) continue;
2242                         if (FD_ISSET(fileno(stdin),&readfds))
2243                                 read_from_terminal = 1;
2244 #endif
2245                         if (FD_ISSET(s,&readfds))
2246                                 read_from_sslcon = 1;
2247                         }
2248                 if (read_from_terminal)
2249                         {
2250                         if (s_crlf)
2251                                 {
2252                                 int j, lf_num;
2253
2254                                 i=raw_read_stdin(buf, bufsize/2);
2255                                 lf_num = 0;
2256                                 /* both loops are skipped when i <= 0 */
2257                                 for (j = 0; j < i; j++)
2258                                         if (buf[j] == '\n')
2259                                                 lf_num++;
2260                                 for (j = i-1; j >= 0; j--)
2261                                         {
2262                                         buf[j+lf_num] = buf[j];
2263                                         if (buf[j] == '\n')
2264                                                 {
2265                                                 lf_num--;
2266                                                 i++;
2267                                                 buf[j+lf_num] = '\r';
2268                                                 }
2269                                         }
2270                                 assert(lf_num == 0);
2271                                 }
2272                         else
2273                                 i=raw_read_stdin(buf,bufsize);
2274                         if (!s_quiet)
2275                                 {
2276                                 if ((i <= 0) || (buf[0] == 'Q'))
2277                                         {
2278                                         BIO_printf(bio_s_out,"DONE\n");
2279                                         SHUTDOWN(s);
2280                                         close_accept_socket();
2281                                         ret= -11;
2282                                         goto err;
2283                                         }
2284                                 if ((i <= 0) || (buf[0] == 'q'))
2285                                         {
2286                                         BIO_printf(bio_s_out,"DONE\n");
2287                                         if (SSL_version(con) != DTLS1_VERSION)
2288                         SHUTDOWN(s);
2289         /*                              close_accept_socket();
2290                                         ret= -11;*/
2291                                         goto err;
2292                                         }
2293
2294 #ifndef OPENSSL_NO_HEARTBEATS
2295                                 if ((buf[0] == 'B') &&
2296                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2297                                         {
2298                                         BIO_printf(bio_err,"HEARTBEATING\n");
2299                                         SSL_heartbeat(con);
2300                                         i=0;
2301                                         continue;
2302                                         }
2303 #endif
2304                                 if ((buf[0] == 'r') &&
2305                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2306                                         {
2307                                         SSL_renegotiate(con);
2308                                         i=SSL_do_handshake(con);
2309                                         printf("SSL_do_handshake -> %d\n",i);
2310                                         i=0; /*13; */
2311                                         continue;
2312                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2313                                         }
2314                                 if ((buf[0] == 'R') &&
2315                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2316                                         {
2317                                         SSL_set_verify(con,
2318                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2319                                         SSL_renegotiate(con);
2320                                         i=SSL_do_handshake(con);
2321                                         printf("SSL_do_handshake -> %d\n",i);
2322                                         i=0; /* 13; */
2323                                         continue;
2324                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2325                                         }
2326                                 if (buf[0] == 'P')
2327                                         {
2328                                         static const char *str="Lets print some clear text\n";
2329                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2330                                         }
2331                                 if (buf[0] == 'S')
2332                                         {
2333                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2334                                         }
2335                                 }
2336 #ifdef CHARSET_EBCDIC
2337                         ebcdic2ascii(buf,buf,i);
2338 #endif
2339                         l=k=0;
2340                         for (;;)
2341                                 {
2342                                 /* should do a select for the write */
2343 #ifdef RENEG
2344 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2345 #endif
2346                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2347 #ifndef OPENSSL_NO_SRP
2348                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2349                                         {
2350                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2351                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2352                                         if (srp_callback_parm.user)
2353                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2354                                         else
2355                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2356                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2357                                         }
2358 #endif
2359                                 switch (SSL_get_error(con,k))
2360                                         {
2361                                 case SSL_ERROR_NONE:
2362                                         break;
2363                                 case SSL_ERROR_WANT_WRITE:
2364                                 case SSL_ERROR_WANT_READ:
2365                                 case SSL_ERROR_WANT_X509_LOOKUP:
2366                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2367                                         break;
2368                                 case SSL_ERROR_SYSCALL:
2369                                 case SSL_ERROR_SSL:
2370                                         BIO_printf(bio_s_out,"ERROR\n");
2371                                         ERR_print_errors(bio_err);
2372                                         ret=1;
2373                                         goto err;
2374                                         /* break; */
2375                                 case SSL_ERROR_ZERO_RETURN:
2376                                         BIO_printf(bio_s_out,"DONE\n");
2377                                         ret=1;
2378                                         goto err;
2379                                         }
2380                                 l+=k;
2381                                 i-=k;
2382                                 if (i <= 0) break;
2383                                 }
2384                         }
2385                 if (read_from_sslcon)
2386                         {
2387                         if (!SSL_is_init_finished(con))
2388                                 {
2389                                 i=init_ssl_connection(con);
2390
2391                                 if (i < 0)
2392                                         {
2393                                         ret=0;
2394                                         goto err;
2395                                         }
2396                                 else if (i == 0)
2397                                         {
2398                                         ret=1;
2399                                         goto err;
2400                                         }
2401                                 }
2402                         else
2403                                 {
2404 again:
2405                                 i=SSL_read(con,(char *)buf,bufsize);
2406 #ifndef OPENSSL_NO_SRP
2407                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2408                                         {
2409                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2410                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2411                                         if (srp_callback_parm.user)
2412                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2413                                         else
2414                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2415                                         i=SSL_read(con,(char *)buf,bufsize);
2416                                         }
2417 #endif
2418                                 switch (SSL_get_error(con,i))
2419                                         {
2420                                 case SSL_ERROR_NONE:
2421 #ifdef CHARSET_EBCDIC
2422                                         ascii2ebcdic(buf,buf,i);
2423 #endif
2424                                         raw_write_stdout(buf,
2425                                                 (unsigned int)i);
2426                                         if (SSL_pending(con)) goto again;
2427                                         break;
2428                                 case SSL_ERROR_WANT_WRITE:
2429                                 case SSL_ERROR_WANT_READ:
2430                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2431                                         break;
2432                                 case SSL_ERROR_SYSCALL:
2433                                 case SSL_ERROR_SSL:
2434                                         BIO_printf(bio_s_out,"ERROR\n");
2435                                         ERR_print_errors(bio_err);
2436                                         ret=1;
2437                                         goto err;
2438                                 case SSL_ERROR_ZERO_RETURN:
2439                                         BIO_printf(bio_s_out,"DONE\n");
2440                                         ret=1;
2441                                         goto err;
2442                                         }
2443                                 }
2444                         }
2445                 }
2446 err:
2447         if (con != NULL)
2448                 {
2449                 BIO_printf(bio_s_out,"shutting down SSL\n");
2450 #if 1
2451                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2452 #else
2453                 SSL_shutdown(con);
2454 #endif
2455                 SSL_free(con);
2456                 }
2457         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2458         if (buf != NULL)
2459                 {
2460                 OPENSSL_cleanse(buf,bufsize);
2461                 OPENSSL_free(buf);
2462                 }
2463         if (ret >= 0)
2464                 BIO_printf(bio_s_out,"ACCEPT\n");
2465         return(ret);
2466         }
2467
2468 static void close_accept_socket(void)
2469         {
2470         BIO_printf(bio_err,"shutdown accept socket\n");
2471         if (accept_socket >= 0)
2472                 {
2473                 SHUTDOWN2(accept_socket);
2474                 }
2475         }
2476
2477 static int init_ssl_connection(SSL *con)
2478         {
2479         int i;
2480         const char *str;
2481         X509 *peer;
2482         long verify_error;
2483         MS_STATIC char buf[BUFSIZ];
2484 #ifndef OPENSSL_NO_KRB5
2485         char *client_princ;
2486 #endif
2487 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2488         const unsigned char *next_proto_neg;
2489         unsigned next_proto_neg_len;
2490 #endif
2491         unsigned char *exportedkeymat;
2492
2493
2494         i=SSL_accept(con);
2495 #ifndef OPENSSL_NO_SRP
2496         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2497                 {
2498                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2499                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2500                         if (srp_callback_parm.user)
2501                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2502                         else
2503                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2504                         i=SSL_accept(con);
2505                 }
2506 #endif
2507         if (i <= 0)
2508                 {
2509                 if (BIO_sock_should_retry(i))
2510                         {
2511                         BIO_printf(bio_s_out,"DELAY\n");
2512                         return(1);
2513                         }
2514
2515                 BIO_printf(bio_err,"ERROR\n");
2516                 verify_error=SSL_get_verify_result(con);
2517                 if (verify_error != X509_V_OK)
2518                         {
2519                         BIO_printf(bio_err,"verify error:%s\n",
2520                                 X509_verify_cert_error_string(verify_error));
2521                         }
2522                 else
2523                         ERR_print_errors(bio_err);
2524                 return(0);
2525                 }
2526
2527         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2528
2529         peer=SSL_get_peer_certificate(con);
2530         if (peer != NULL)
2531                 {
2532                 BIO_printf(bio_s_out,"Client certificate\n");
2533                 PEM_write_bio_X509(bio_s_out,peer);
2534                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2535                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2536                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2537                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2538                 X509_free(peer);
2539                 }
2540
2541         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2542                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2543         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2544         ssl_print_sigalgs(bio_s_out, con, 0);
2545         ssl_print_curves(bio_s_out, con);
2546         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2547
2548 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2549         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2550         if (next_proto_neg)
2551                 {
2552                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2553                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2554                 BIO_printf(bio_s_out, "\n");
2555                 }
2556 #endif
2557         {
2558         SRTP_PROTECTION_PROFILE *srtp_profile
2559           = SSL_get_selected_srtp_profile(con);
2560
2561         if(srtp_profile)
2562                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2563                            srtp_profile->name);
2564         }
2565         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2566         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2567                 TLS1_FLAGS_TLS_PADDING_BUG)
2568                 BIO_printf(bio_s_out,
2569                            "Peer has incorrect TLSv1 block padding\n");
2570 #ifndef OPENSSL_NO_KRB5
2571         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2572         if (client_princ != NULL)
2573                 {
2574                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2575                                                                 client_princ);
2576                 }
2577 #endif /* OPENSSL_NO_KRB5 */
2578         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2579                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2580         if (keymatexportlabel != NULL)
2581                 {
2582                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2583                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2584                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2585                            keymatexportlen);
2586                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2587                 if (exportedkeymat != NULL)
2588                         {
2589                         if (!SSL_export_keying_material(con, exportedkeymat,
2590                                                         keymatexportlen,
2591                                                         keymatexportlabel,
2592                                                         strlen(keymatexportlabel),
2593                                                         NULL, 0, 0))
2594                                 {
2595                                 BIO_printf(bio_s_out, "    Error\n");
2596                                 }
2597                         else
2598                                 {
2599                                 BIO_printf(bio_s_out, "    Keying material: ");
2600                                 for (i=0; i<keymatexportlen; i++)
2601                                         BIO_printf(bio_s_out, "%02X",
2602                                                    exportedkeymat[i]);
2603                                 BIO_printf(bio_s_out, "\n");
2604                                 }
2605                         OPENSSL_free(exportedkeymat);
2606                         }
2607                 }
2608
2609         return(1);
2610         }
2611
2612 #ifndef OPENSSL_NO_DH
2613 static DH *load_dh_param(const char *dhfile)
2614         {
2615         DH *ret=NULL;
2616         BIO *bio;
2617
2618         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2619                 goto err;
2620         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2621 err:
2622         if (bio != NULL) BIO_free(bio);
2623         return(ret);
2624         }
2625 #endif
2626 #ifndef OPENSSL_NO_KRB5
2627         char *client_princ;
2628 #endif
2629
2630 #if 0
2631 static int load_CA(SSL_CTX *ctx, char *file)
2632         {
2633         FILE *in;
2634         X509 *x=NULL;
2635
2636         if ((in=fopen(file,"r")) == NULL)
2637                 return(0);
2638
2639         for (;;)
2640                 {
2641                 if (PEM_read_X509(in,&x,NULL) == NULL)
2642                         break;
2643                 SSL_CTX_add_client_CA(ctx,x);
2644                 }
2645         if (x != NULL) X509_free(x);
2646         fclose(in);
2647         return(1);
2648         }
2649 #endif
2650
2651 static int www_body(char *hostname, int s, unsigned char *context)
2652         {
2653         char *buf=NULL;
2654         int ret=1;
2655         int i,j,k,dot;
2656         SSL *con;
2657         const SSL_CIPHER *c;
2658         BIO *io,*ssl_bio,*sbio;
2659 #ifndef OPENSSL_NO_KRB5
2660         KSSL_CTX *kctx;
2661 #endif
2662
2663         buf=OPENSSL_malloc(bufsize);
2664         if (buf == NULL) return(0);
2665         io=BIO_new(BIO_f_buffer());
2666         ssl_bio=BIO_new(BIO_f_ssl());
2667         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2668
2669 #ifdef FIONBIO
2670         if (s_nbio)
2671                 {
2672                 unsigned long sl=1;
2673
2674                 if (!s_quiet)
2675                         BIO_printf(bio_err,"turning on non blocking io\n");
2676                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2677                         ERR_print_errors(bio_err);
2678                 }
2679 #endif
2680
2681         /* lets make the output buffer a reasonable size */
2682         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2683
2684         if ((con=SSL_new(ctx)) == NULL) goto err;
2685 #ifndef OPENSSL_NO_TLSEXT
2686                 if (s_tlsextdebug)
2687                         {
2688                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2689                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2690                         }
2691 #endif
2692 #ifndef OPENSSL_NO_KRB5
2693         if ((kctx = kssl_ctx_new()) != NULL)
2694                 {
2695                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2696                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2697                 }
2698 #endif  /* OPENSSL_NO_KRB5 */
2699         if(context) SSL_set_session_id_context(con, context,
2700                                                strlen((char *)context));
2701
2702         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2703         if (s_nbio_test)
2704                 {
2705                 BIO *test;
2706
2707                 test=BIO_new(BIO_f_nbio_test());
2708                 sbio=BIO_push(test,sbio);
2709                 }
2710         SSL_set_bio(con,sbio,sbio);
2711         SSL_set_accept_state(con);
2712
2713         /* SSL_set_fd(con,s); */
2714         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2715         BIO_push(io,ssl_bio);
2716 #ifdef CHARSET_EBCDIC
2717         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2718 #endif
2719
2720         if (s_debug)
2721                 {
2722                 SSL_set_debug(con, 1);
2723                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2724                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2725                 }
2726         if (s_msg)
2727                 {
2728                 SSL_set_msg_callback(con, msg_cb);
2729                 SSL_set_msg_callback_arg(con, bio_s_out);
2730                 }
2731
2732         for (;;)
2733                 {
2734                 if (hack)
2735                         {
2736                         i=SSL_accept(con);
2737 #ifndef OPENSSL_NO_SRP
2738                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2739                 {
2740                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2741                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2742                         if (srp_callback_parm.user)
2743                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2744                         else
2745                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2746                         i=SSL_accept(con);
2747                 }
2748 #endif
2749                         switch (SSL_get_error(con,i))
2750                                 {
2751                         case SSL_ERROR_NONE:
2752                                 break;
2753                         case SSL_ERROR_WANT_WRITE:
2754                         case SSL_ERROR_WANT_READ:
2755                         case SSL_ERROR_WANT_X509_LOOKUP:
2756                                 continue;
2757                         case SSL_ERROR_SYSCALL:
2758                         case SSL_ERROR_SSL:
2759                         case SSL_ERROR_ZERO_RETURN:
2760                                 ret=1;
2761                                 goto err;
2762                                 /* break; */
2763                                 }
2764
2765                         SSL_renegotiate(con);
2766                         SSL_write(con,NULL,0);
2767                         }
2768
2769                 i=BIO_gets(io,buf,bufsize-1);
2770                 if (i < 0) /* error */
2771                         {
2772                         if (!BIO_should_retry(io))
2773                                 {
2774                                 if (!s_quiet)
2775                                         ERR_print_errors(bio_err);
2776                                 goto err;
2777                                 }
2778                         else
2779                                 {
2780                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2781 #if defined(OPENSSL_SYS_NETWARE)
2782             delay(1000);
2783 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2784                                 sleep(1);
2785 #endif
2786                                 continue;
2787                                 }
2788                         }
2789                 else if (i == 0) /* end of input */
2790                         {
2791                         ret=1;
2792                         goto end;
2793                         }
2794
2795                 /* else we have data */
2796                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2797                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2798                         {
2799                         char *p;
2800                         X509 *peer;
2801                         STACK_OF(SSL_CIPHER) *sk;
2802                         static const char *space="                          ";
2803
2804                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2805                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2806                         BIO_puts(io,"<pre>\n");
2807 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2808                         BIO_puts(io,"\n");
2809                         for (i=0; i<local_argc; i++)
2810                                 {
2811                                 BIO_puts(io,local_argv[i]);
2812                                 BIO_write(io," ",1);
2813                                 }
2814                         BIO_puts(io,"\n");
2815
2816                         BIO_printf(io,
2817                                 "Secure Renegotiation IS%s supported\n",
2818                                 SSL_get_secure_renegotiation_support(con) ?
2819                                                         "" : " NOT");
2820
2821                         /* The following is evil and should not really
2822                          * be done */
2823                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2824                         sk=SSL_get_ciphers(con);
2825                         j=sk_SSL_CIPHER_num(sk);
2826                         for (i=0; i<j; i++)
2827                                 {
2828                                 c=sk_SSL_CIPHER_value(sk,i);
2829                                 BIO_printf(io,"%-11s:%-25s",
2830                                         SSL_CIPHER_get_version(c),
2831                                         SSL_CIPHER_get_name(c));
2832                                 if ((((i+1)%2) == 0) && (i+1 != j))
2833                                         BIO_puts(io,"\n");
2834                                 }
2835                         BIO_puts(io,"\n");
2836                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2837                         if (p != NULL)
2838                                 {
2839                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2840                                 j=i=0;
2841                                 while (*p)
2842                                         {
2843                                         if (*p == ':')
2844                                                 {
2845                                                 BIO_write(io,space,26-j);
2846                                                 i++;
2847                                                 j=0;
2848                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2849                                                 }
2850                                         else
2851                                                 {
2852                                                 BIO_write(io,p,1);
2853                                                 j++;
2854                                                 }
2855                                         p++;
2856                                         }
2857                                 BIO_puts(io,"\n");
2858                                 }
2859                         ssl_print_sigalgs(io, con, 0);
2860                         ssl_print_curves(io, con);
2861                         BIO_printf(io,(SSL_cache_hit(con)
2862                                 ?"---\nReused, "
2863                                 :"---\nNew, "));
2864                         c=SSL_get_current_cipher(con);
2865                         BIO_printf(io,"%s, Cipher is %s\n",
2866                                 SSL_CIPHER_get_version(c),
2867                                 SSL_CIPHER_get_name(c));
2868                         SSL_SESSION_print(io,SSL_get_session(con));
2869                         BIO_printf(io,"---\n");
2870                         print_stats(io,SSL_get_SSL_CTX(con));
2871                         BIO_printf(io,"---\n");
2872                         peer=SSL_get_peer_certificate(con);
2873                         if (peer != NULL)
2874                                 {
2875                                 BIO_printf(io,"Client certificate\n");
2876                                 X509_print(io,peer);
2877                                 PEM_write_bio_X509(io,peer);
2878                                 }
2879                         else
2880                                 BIO_puts(io,"no client certificate available\n");
2881                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2882                         break;
2883                         }
2884                 else if ((www == 2 || www == 3)
2885                          && (strncmp("GET /",buf,5) == 0))
2886                         {
2887                         BIO *file;
2888                         char *p,*e;
2889                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2890
2891                         /* skip the '/' */
2892                         p= &(buf[5]);
2893
2894                         dot = 1;
2895                         for (e=p; *e != '\0'; e++)
2896                                 {
2897                                 if (e[0] == ' ')
2898                                         break;
2899
2900                                 switch (dot)
2901                                         {
2902                                 case 1:
2903                                         dot = (e[0] == '.') ? 2 : 0;
2904                                         break;
2905                                 case 2:
2906                                         dot = (e[0] == '.') ? 3 : 0;
2907                                         break;
2908                                 case 3:
2909                                         dot = (e[0] == '/') ? -1 : 0;
2910                                         break;
2911                                         }
2912                                 if (dot == 0)
2913                                         dot = (e[0] == '/') ? 1 : 0;
2914                                 }
2915                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2916
2917                         if (*e == '\0')
2918                                 {
2919                                 BIO_puts(io,text);
2920                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2921                                 break;
2922                                 }
2923                         *e='\0';
2924
2925                         if (dot)
2926                                 {
2927                                 BIO_puts(io,text);
2928                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2929                                 break;
2930                                 }
2931
2932                         if (*p == '/')
2933                                 {
2934                                 BIO_puts(io,text);
2935                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2936                                 break;
2937                                 }
2938
2939 #if 0
2940                         /* append if a directory lookup */
2941                         if (e[-1] == '/')
2942                                 strcat(p,"index.html");
2943 #endif
2944
2945                         /* if a directory, do the index thang */
2946                         if (app_isdir(p)>0)
2947                                 {
2948 #if 0 /* must check buffer size */
2949                                 strcat(p,"/index.html");
2950 #else
2951                                 BIO_puts(io,text);
2952                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2953                                 break;
2954 #endif
2955                                 }
2956
2957                         if ((file=BIO_new_file(p,"r")) == NULL)
2958                                 {
2959                                 BIO_puts(io,text);
2960                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2961                                 ERR_print_errors(io);
2962                                 break;
2963                                 }
2964
2965                         if (!s_quiet)
2966                                 BIO_printf(bio_err,"FILE:%s\n",p);
2967
2968                         if (www == 2)
2969                                 {
2970                                 i=strlen(p);
2971                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2972                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2973                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2974                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2975                                 else
2976                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2977                                 }
2978                         /* send the file */
2979                         for (;;)
2980                                 {
2981                                 i=BIO_read(file,buf,bufsize);
2982                                 if (i <= 0) break;
2983
2984 #ifdef RENEG
2985                                 total_bytes+=i;
2986                                 fprintf(stderr,"%d\n",i);
2987                                 if (total_bytes > 3*1024)
2988                                         {
2989                                         total_bytes=0;
2990                                         fprintf(stderr,"RENEGOTIATE\n");
2991                                         SSL_renegotiate(con);
2992                                         }
2993 #endif
2994
2995                                 for (j=0; j<i; )
2996                                         {
2997 #ifdef RENEG
2998 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2999 #endif
3000                                         k=BIO_write(io,&(buf[j]),i-j);
3001                                         if (k <= 0)
3002                                                 {
3003                                                 if (!BIO_should_retry(io))
3004                                                         goto write_error;
3005                                                 else
3006                                                         {
3007                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3008                                                         }
3009                                                 }
3010                                         else
3011                                                 {
3012                                                 j+=k;
3013                                                 }
3014                                         }
3015                                 }
3016 write_error:
3017                         BIO_free(file);
3018                         break;
3019                         }
3020                 }
3021
3022         for (;;)
3023                 {
3024                 i=(int)BIO_flush(io);
3025                 if (i <= 0)
3026                         {
3027                         if (!BIO_should_retry(io))
3028                                 break;
3029                         }
3030                 else
3031                         break;
3032                 }
3033 end:
3034 #if 1
3035         /* make sure we re-use sessions */
3036         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3037 #else
3038         /* This kills performance */
3039 /*      SSL_shutdown(con); A shutdown gets sent in the
3040  *      BIO_free_all(io) procession */
3041 #endif
3042
3043 err:
3044
3045         if (ret >= 0)
3046                 BIO_printf(bio_s_out,"ACCEPT\n");
3047
3048         if (buf != NULL) OPENSSL_free(buf);
3049         if (io != NULL) BIO_free_all(io);
3050 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3051         return(ret);
3052         }
3053
3054 #ifndef OPENSSL_NO_RSA
3055 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3056         {
3057         BIGNUM *bn = NULL;
3058         static RSA *rsa_tmp=NULL;
3059
3060         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3061                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3062         if (!rsa_tmp && bn)
3063                 {
3064                 if (!s_quiet)
3065                         {
3066                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3067                         (void)BIO_flush(bio_err);
3068                         }
3069                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3070                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3071                         {
3072                         if(rsa_tmp) RSA_free(rsa_tmp);
3073                         rsa_tmp = NULL;
3074                         }
3075                 if (!s_quiet)
3076                         {
3077                         BIO_printf(bio_err,"\n");
3078                         (void)BIO_flush(bio_err);
3079                         }
3080                 BN_free(bn);
3081                 }
3082         return(rsa_tmp);
3083         }
3084 #endif
3085
3086 #define MAX_SESSION_ID_ATTEMPTS 10
3087 static int generate_session_id(const SSL *ssl, unsigned char *id,
3088                                 unsigned int *id_len)
3089         {
3090         unsigned int count = 0;
3091         do      {
3092                 RAND_pseudo_bytes(id, *id_len);
3093                 /* Prefix the session_id with the required prefix. NB: If our
3094                  * prefix is too long, clip it - but there will be worse effects
3095                  * anyway, eg. the server could only possibly create 1 session
3096                  * ID (ie. the prefix!) so all future session negotiations will
3097                  * fail due to conflicts. */
3098                 memcpy(id, session_id_prefix,
3099                         (strlen(session_id_prefix) < *id_len) ?
3100                         strlen(session_id_prefix) : *id_len);
3101                 }
3102         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3103                 (++count < MAX_SESSION_ID_ATTEMPTS));
3104         if(count >= MAX_SESSION_ID_ATTEMPTS)
3105                 return 0;
3106         return 1;
3107         }